1 2001-08-11 Zack Weinberg <zackw@panix.com>
3 * toplev.c (set_float_handler): Make static.
4 * toplev.h: Don't prototype set_float_handler.
6 * simplify-rtx.c: Don't include setjmp.h.
7 (simplify_unary_real, simplify_binary_real, simplify_binary_is2orm1):
9 (simplify_unary_operation, simplify_binary_operation): Use them,
12 * fold-const.c: Don't include setjmp.h.
13 (exact_real_inverse_1): New function.
14 (exact_real_inverse): Use it, via do_float_handler.
16 * varasm.c: Don't include setjmp.h.
17 (assemble_real_1): New function.
18 (assemble_real): Use it, via do_float_handler.
19 Call internal_error if we get a trap here.
21 * c-parse.in, cse.c, cselib.c, config/i386/i386.c,
22 config/pj/pj.c, config/s390/s390.c: Don't include setjmp.h.
24 2001-08-11 Zack Weinberg <zackw@panix.com>
26 * defaults.h: Define PREFERRED_STACK_BOUNDARY to
27 STACK_BOUNDARY if not already defined.
29 * calls.c, function.c, reload1.c, explow.c: Don't default
30 PREFERRED_STACK_BOUNDARY. Remove all #if/#ifdef on
31 PREFERRRED_STACK_BOUNDARY and/or STACK_BOUNDARY.
33 * explow.c (allocate_dynamic_stack_space): Change unsafe #if
36 * doc/tm.texi: Document that STACK_BOUNDARY is required;
37 clarify difference between it and PREFERRED_STACK_BOUNDARY.
39 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
41 * cppmacro.c (enter_macro_context): Push macro expansions even
44 2001-08-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
46 * config/rs6000/rs6000.c: Include integrate.h to silence warning.
47 (rs6000_elf_section_type_flags): Actually return a value.
49 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
51 * s390.c, s390.h, s390.md, s390-protos.h, linux.h, t-linux:
52 Clean up code: add missing comments and prototypes, fix warnings,
53 remove obsolete code, fix spacing to conform to coding style.
55 2001-08-11 Ulrich Weigand <uweigand@de.ibm.com>
57 * config/s390/s390.c (targetm): Define TARGET_ASM_OPEN_PAREN
58 and TARGET_ASM_CLOSE_PAREN.
59 (regclass_map): CC register belongs to class NO_REGS.
60 (legitimize_pic_address): Don't generate unnecessary moves
61 (to avoid confusing loop optimization).
62 (check_and_change_labels): Replace jump_long by indirect_jump.
63 (s390_final_chunkify): Don't start a new literal pool on section
64 switch in 64-bit code.
65 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
67 * config/s390/s390.h (TARGET_SWITCHES): Renamed debug_arg to debug.
68 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE): Set to 64 (for 64-bit).
69 (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY): Support complex integer
71 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
72 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
73 (CONST_COSTS): Fixed incorrect costs.
75 * config/s390/s390.md (fixuns_trunc[sd]f[sd]i2, udivsi3, umodsi3):
76 Use emit_jump instead of emit_jump_insn (gen_jump).
77 (divsi3, modsi3): Clobber low word of divmoddisi3 before shifting
78 (to avoid confusing flow analysis).
79 (tablejump, tablejump1, tablejump2): Removed. Replaced by casesi.
80 (casesi, casesi_jump): New.
81 (jump_long): Removed. Functionality merged into indirect_jump.
82 (indirect_jump): Accept address_operand, not just register_operand.
83 (cjump_long, icjump_long): Use same logic as indirect_jump.
84 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
85 Fixed broken setjmp/longjmp handling.
86 (do_builtin_setjmp_setup): Removed.
88 * config/s390/linux.h (ASM_OUTPUT_DOUBLE_INT): Work around
89 broken GNU as versions that don't accept .quad with large
90 negative values. Use hexadecimal output instead.
91 (ASM_OUTPUT_ADDR_DIFF_ELT): Adapt to new casesi insn.
92 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN, FUNCTION_PROLOGUE,
93 FUNCTION_EPILOGUE): Removed. Now in targetm.
95 * config/s390/linux64.h (CALL_USED_REGISTERS): Add CC register.
97 * config/s390/fixdfdi.h: Add missing copyright statement.
98 Fix type conflicts on 64-bit. Add missing SFmode routines.
100 * s390.c, s390.h, s390.md, linux.h, linux64.h: Fixed incorrect
103 2001-08-11 Richard Henderson <rth@redhat.com>
105 * rtl.h (REG_EH_RETHROW): Remove.
106 * rtl.c (reg_note_name): Update.
107 * combine.c (distribute_notes): Don't check for it.
109 2001-08-11 Richard Henderson <rth@redhat.com>
111 * combine.c (distribute_notes): Place REG_SETJMP.
113 2001-08-11 Richard Henderson <rth@redhat.com>
115 * doc/extend.texi (Arrays and pointers implementation): Discourage
116 relying on sign-extension of pointers.
118 2001-08-11 H.J. Lu <hjl@gnu.org>
120 * config/mips/linux.h (EXTRA_SECTIONS): Remove in_ctors and
122 (EXTRA_SECTION_FUNCTIONS): Remove DTORS_SECTION_ASM_OP and
123 RDATA_SECTION_ASM_OP.
125 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
127 * doc/install.texi (Specific, c4x): Fix cross-reference to the
128 main manual to work both for info and HTML versions.
130 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
131 Matt Kraai <kraai@alumni.carnegiemellon.edu>
133 * cpphash.c (_cpp_destroy_hashtable): Use ht_destroy.
134 * cpphash.h (CPP_IN_SYSTEM_HEADER): Fix.
135 (struct cpp_pool): New member first.
136 * cppinit.c (append_include_chain): Plug memory leaks.
137 * cpplib.c (cpp_register_pragma, cpp_register_pragma_space):
138 Allocate pragma structures from the (aligned) macro pool to
139 avoid leaking memory.
140 * cpplex.c (_cpp_init_pool, _cpp_free_pool): Use pool->first
141 so we don't leak memory.
142 * hashtable.c (ht_destroy): New.
143 * hashtable.h (ht_destroy): New.
145 2001-08-11 Neil Booth <neil@daikokuya.demon.co.uk>
146 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
148 * c-lex.c (map): Make const.
149 (cb_file_change): Update for callback passing a line map.
150 Don't assume we have a previous map. Remove sanity check
151 about popping too many files.
152 * cpperror.c (print_location): Make map const.
153 * cppfiles.c (stack_include_file): Update; line maps now hold sysp.
154 (cpp_make_system_header): Similarly.
155 (search_from): Similarly.
156 (_cpp_execute_include): Don't remember where we came from.
157 * cpphash.h (struct cpp_buffer): Remove return_to_line, sysp.
158 (struct cpp_reader): Make map const.
159 (CPP_IN_SYSTEM_HEADER, _cpp_do_file_change): Update.
160 * cpplib.c (do_line): Update; line maps now hold sysp.
161 (cpp_push_buffer): Similarly.
162 (_cpp_do_file_change): Similarly; callback with map instead.
163 (cpp_get_line_maps): Constify return value.
164 (_cpp_pop_buffer): Update.
165 * cpplib.h (struct cpp_file_change): Remove.
166 (struct cpp_callbacks): Update.
167 (cpp_get_line_maps): Constify return value.
168 * cppmacro.c (_cpp_create_definition): Update.
169 * cppmain.c (struct printer): Constify map.
170 (maybe_print_line): Similarly.
171 (print_line): Similarly. Deduce flags 1 and 2 here.
172 (cb_file_change): Update.
173 * line-map.c (free_line_maps): Warn regardless.
174 (add_line_map): Return pointer to const. When passed NULL to_file
175 with LC_LEAVE, use the obvious values for the return point so the
176 caller doesn't have to figure them out.
177 (lookup_line): Return pointer to const.
178 (print_containing_files): Take pointer to const.
179 * line-map.h (struct line_map): New members reason, sysp.
180 (add_line_map): Return pointer to const.
181 (lookup_line): Similarly.
182 (print_containing_files): Take pointer to const.
184 2001-08-10 Roman Zippel <zippel@linux-m68k.org>
185 Richard Henderson <rth@redhat.com>
187 * regmove.c (regmove_optimize): Avoid setting a register twice in
190 2001-08-10 Richard Henderson <rth@redhat.com>
192 * doc/extend.texi (Arrays and pointers implementation): Document
193 behavior of pointer/integer conversion.
195 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
197 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
199 2001-08-10 Richard Henderson <rth@redhat.com>
201 * doc/extend.texi (C Implementation): New chapter.
202 * doc/gcc.texi (Top): Link it in.
204 2001-08-10 Andrew Cagney <ac131313@redhat.com>
206 * doc/install.texi (Specific): Fix CVS merge botch.
208 2001-08-10 Richard Henderson <rth@redhat.com>
210 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): Protect with
211 ifdef CTOR_LIST_BEGIN instead of INIT_SECTION_ASM_OP.
213 2001-08-10 Zack Weinberg <zackw@stanford.edu>
215 * calls.c, function.c: Always define PREFERRED_STACK_BOUNDARY
216 if not already defined. Remove all #ifdefs on STACK_BOUNDARY;
217 this macro is now required.
219 * cselib.c (cselib_process_insn), flow.c (propagate_block),
220 loop.c (find_and_verify_loops), reload.c (reload): Check
221 for rtx code of CALL_INSN, not CALL, when deciding if we
222 need to check for REG_SETJMP note.
224 * gcse.c (compute_hash_table, compute_store_table): Update
225 the #ifdef NON_SAVING_SETJMP code to the new REG_SETJMP
228 * config/avr/avr.c: Fix typo.
229 * config/convex/convex.c (expand_movstr): Use adjust_address.
230 * config/dsp16xx/dsp16xx.c: Define dsp16xx_compare_gen
232 * config/dsp16xx/dsp16xx.md: Correct calls to replace_equiv_address.
233 * config/elxsi/elxsi.c: Include tree.h, expr.h, regs.h, and flags.h.
235 * config/elxsi/elxsi.h: Don't define Rmode (typo for Pmode?)
236 Do define STACK_BOUNDARY.
237 * config/i370/i370.c: Include expr.h.
238 * config/i860/sysv3.h, config/i860/sysv4.h, config/m32r/m32r.h,
239 config/pa/som.h, config/v850/v850.h: Take in_ctors and
240 in_dtors out of EXTRA_SECTIONS; take CTORS_SECTION_FUNCTION
241 and DTORS_SECTION_FUNCTION out of EXTRA_SECTION_FUNCTIONS.
242 * config/m88k/m88k.c: Include c-tree.h after expr.h.
243 * config/pdp11/pdp11.c: Include expr.h and toplev.h.
244 * config/romp/romp.c: Include expr.h after tree.h.
246 (output_fpop): Use xmalloc, not oballoc.
247 * config/we32k/we32k.c: Include expr.h.
249 2001-08-10 Kazu Hirata <kazu@hxi.com>
251 * config/h8300/h8300.h: Fix formatting.
253 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
255 * c-common.h (RETURN_NULLIFIED_P): Lose.
256 * c-semantics.c (genrtl_return_stmt): Don't check it.
258 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
260 * config/mips/mips.c (mips_add_large_offset_to_sp): New function.
261 (mips_annotate_frame_insn): New function.
262 (mips_emit_frame_related_store): New function.
263 (save_restore_insns): Don't mark instructions that set up the base
264 registers as frame-related. Add REG_FRAME_RELATED_EXPR notes to
265 the store instructions instead.
266 (mips_expand_prologue): If the stack size is moved into a temporary
267 register, do not mark that move as frame-related. Add a
268 REG_FRAME_RELATED_EXPR note to the stack adjustment instruction.
270 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
272 * config/mips/mips.c (save_restore_insns): Don't mark the RA's
273 stack slot as unchanging if current_function_calls_eh_return.
275 2001-08-10 Richard Sandiford <rsandifo@redhat.com>
277 * config/mips/mips.md (reload_outcc): Use HARD_REGNO_NREGS to
278 access the second half of the TFmode scratch operand.
280 2001-08-10 Anthony Green <green@redhat.com>
282 * java/class.c (emit_register_classes): Conditionalize code on
285 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
287 * doc/install.texi (Specific, avr): Fix cross-reference to the
288 main manual to work both for info and HTML versions.
290 2001-08-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
292 * stmt.c (expand_null_return_1): Remove code to generate simple returns
293 and "use_goto" argument.
294 (expand_null_return, expand_value_return): Update all callers.
295 * function.c (expand_function_end): Remove code to generate simple
297 * config/vax/vax.md (epilogue): New expander for function return.
298 * doc/md.texi (epilogue): Remove "if defined".
300 2001-08-09 Zack Weinberg <zackw@stanford.edu>
302 * Makefile.in: Partially revert my previous change:
303 put -DGENERATOR_FILE back in HOST_CFLAGS, take it out
304 of the hashtab.o and safe-ctype.o rules.
306 2001-08-09 Richard Henderson <rth@redhat.com>
308 * Makefile.in (MAYBE_USE_COLLECT2): Remove; purge all uses.
309 (USE_COLLECT2): Remove duplicate definition.
310 * config.gcc (a29k-udi, a29k-wrs-vxworks) [tm_file]: Remove a29k/udi.h.
311 (use_collect2): Remove dead code.
312 * configure.in (use_collect2): Remove will_use_collect2 and
313 maybe_use_collect2; add USE_COLLECT2 to host_xm_defines and xm_defines.
314 * configure: Rebuild.
316 * target.h (targetm.asm_out.constructor): New.
317 (targetm.asm_out.destructor, targetm.have_ctors_dtors): New.
318 * target-def.h (TARGET_ASM_CONSTRUCTOR): New.
319 (TARGET_ASM_DESTRUCTOR, TARGET_HAVE_CTORS_DTORS): New.
320 * varasm.c (in_ctors, in_dtors): New.
321 (assemble_constructor, assemble_destructor): Remove.
322 (default_stabs_asm_out_destructor): New.
323 (default_named_section_asm_out_destructor): New.
324 (dtors_section, default_dtor_section_asm_out_destructor): New.
325 (default_stabs_asm_out_constructor): New.
326 (default_named_section_asm_out_constructor): New.
327 (ctors_section, default_ctor_section_asm_out_constructor): New.
328 * output.h: Update declarations.
329 * c-decl.c (c_expand_body): Use target hooks instead of
330 assemble_constructor and assemble_destructor.
331 * profile.c (output_func_start_profiler): Likewise.
332 * objc/objc-act.c (finish_objc): Likewise.
333 (build_module_descriptor): Tidy. Set TREE_PUBLIC properly
335 * objc/Make-lang.in (objc-act.o): Depend on TARGET_H.
337 * crtstuff.c (CTORS_SECTION_ASM_OP): Don't define.
338 (DTORS_SECTION_ASM_OP): Likewise.
339 (__CTOR_LIST__): Use attribute section when possible.
340 (__DTOR_LIST__, __CTOR_END__, __DTOR_END__): Likewise.
342 * defaults.h (EH_FRAME_SECTION_NAME): Don't depend on
343 ASM_OUTPUT_CONSTRUCTOR.
345 * config/darwin.c (machopic_asm_out_constructor): New.
346 (machopic_asm_out_destructor): New.
347 * config/darwin-protos.h: Update declarations.
348 * config/darwin.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
349 (ASM_OUTPUT_DESTRUCTOR): Remove.
350 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
351 * config/nextstep.c (nextstep_asm_out_constructor): New.
352 (nextstep_asm_out_destructor): New.
353 * config/nextstep.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
354 (ASM_OUTPUT_DESTRUCTOR): Remove.
355 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
356 * config/nextstep21.h: Undef TARGET_ASM_*STRUCTOR instead of
357 ASM_OUTPUT_*STRUCTOR.
358 * config/i386/aix386ng.h: Likewise.
360 * config/elfos.h (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Remove.
361 (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): No ctors/dtors.
362 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
363 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
364 * config/lynx.h: Likewise.
365 * config/netware.h: Likewise.
366 * config/psos.h: Likewise.
367 * config/alpha/alpha-interix.h: Likewise.
368 * config/alpha/elf.h: Likewise.
369 * config/arc/arc.h: Likewise.
370 * config/arm/aof.h: Likewise.
371 * config/arm/coff.h: Likewise.
372 * config/arm/elf.h: Likewise.
373 * config/c4x/c4x.h: Likewise.
374 * config/h8300/h8300.h: Likewise.
375 * config/i386/cygwin.h: Likewise.
376 * config/i386/djgpp.h: Likewise.
377 * config/i386/i386-coff.h: Likewise.
378 * config/i386/i386-interix.h: Likewise.
379 * config/i386/sco5.h: Likewise.
380 * config/i386/vsta.h: Likewise.
381 * config/i386/win32.h: Likewise.
382 * config/i960/i960-coff.h: Likewise.
383 * config/ia64/sysv4.h: Likewise.
384 * config/m68hc11/m68hc11.h: Likewise.
385 * config/m68k/coff.h: Likewise.
386 * config/m68k/mot3300.h: Likewise.
387 * config/m88k/m88k.h: Likewise.
388 * config/mcore/mcore-pe.h: Likewise.
389 * config/mcore/mcore.h: Likewise.
390 * config/mips/elf.h: Likewise.
391 * config/mips/elf64.h: Likewise.
392 * config/mips/iris6.h: Likewise.
393 * config/pa/pa64-hpux.h: Likewise.
394 * config/rs6000/sysv4.h: Likewise.
395 * config/sh/sh.h: Likewise.
396 * config/sparc/litecoff.h: Likewise.
398 * config/svr3.h (CTORS_SECTION_ASM_OP): Remove.
399 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
400 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
401 * config/1750a/1750a.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
402 (ASM_OUTPUT_DESTRUCTOR): Remove.
403 * config/a29k/a29k.c: Move include of tree.h.
404 * config/a29k/udi.h: Delete file.
405 * config/alpha/alpha.c (vms_asm_out_constructor): New.
406 (vms_asm_out_destructor): New.
407 * config/alpha/vms.h (EXTRA_SECTIONS): No ctors/dtors.
408 (EXTRA_SECTION_FUNCTIONS): Likewise.
409 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
410 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
411 * config/c4x/c4x.c: Move include of tree.h.
412 * config/clipper/clipper.c (clix_asm_out_constructor): New.
413 (clix_asm_out_destructor): New.
414 * config/clipper/clix.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
415 (ASM_OUTPUT_DESTRUCTOR): Remove.
416 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
417 * config/i386/aix386.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
418 (TARGET_ASM_CONSTRUCTOR): New.
419 * config/i386/i386.c (ix86_svr3_asm_out_constructor): New.
420 (sco_asm_out_constructor): New.
421 * config/i386/sco5.h (TARGET_ASM_CONSTRUCTOR): New.
422 * config/i386/svr3gas.h: Remove stack grows up code.
423 Remove code duplicated from i386/sysv3.h.
424 (TARGET_ASM_CONSTRUCTOR): New.
425 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Remove.
426 (DTORS_SECTION_FUNCTION, CTORS_SECTION_FUNCTION): Remove.
427 * config/i386/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
428 (TARGET_ASM_CONSTRUCTOR): New.
429 * config/m68hc11/m68hc11.c (m68hc11_asm_out_constructor): New.
430 (m68hc11_asm_out_destructor): New.
431 * config/m68hc11/m68hc11.h (TARGET_ASM_CONSTRUCTOR): New.
432 (TARGET_ASM_DESTRUCTOR): New.
433 * config/m68k/auxgas.h: Don't undef ASM_OUTPUT_*STRUCTOR.
434 * config/m68k/dpx2.h: Properly undef all the bits inherited from
435 config/svr3.h pertaining to section manipulation.
436 * config/m68k/dpx2g.h: Remove #if 0 code.
437 * config/m68k/m68k.c (m68k_svr3_asm_out_constructor): New.
438 * config/m68k/tower-as.h (ASM_OUTPUT_SOURCE_LINE): Fix typo.
439 (ASM_OUTPUT_CONSTRUCTOR): Remove.
440 (TARGET_ASM_CONSTRUCTOR): New.
441 * config/m88k/m88k.c (m88k_layout_frame): Don't use assign_stack_local.
442 (m88k_svr3_asm_out_constructor): New.
443 (m88k_svr3_asm_out_destructor): New.
444 * config/m88k/sysv3.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
445 (ASM_OUTPUT_DESTRUCTOR): Remove.
446 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
447 * config/mips/mips.h: Remove #if 0 ASM_OUTPUT_*STRUCTOR code.
448 * config/rs6000/aix.h: Likewise.
449 * config/mips/rtems64.h: Don't undef removed constructor related bits.
450 * config/mips/vxworks.h: Likewise.
451 * config/rs6000/lynx.h: Likewise.
452 * config/sh/elf.h: Likewise.
453 * config/rs6000/sysv4.h (CTORS_SECTION_ASM_OP): New.
454 (DTORS_SECTION_ASM_OP): New.
455 * config/sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
456 (ASM_OUTPUT_DESTRUCTOR): Remove.
457 * config/sparc/sol2-sld-64.h: Likewise.
458 * config/vax/vax.c (vms_asm_out_constructor): New.
459 (vms_asm_out_destructor): New.
460 * config/vax/vms.h (ASM_OUTPUT_CONSTRUCTOR): Remove.
461 (ASM_OUTPUT_DESTRUCTOR): Remove.
462 (TARGET_ASM_CONSTRUCTOR, TARGET_ASM_DESTRUCTOR): New.
464 * doc/tm.texi (@node Initialization): Update.
466 2001-08-09 Richard Henderson <rth@redhat.com>
468 * config/alpha/crtbegin.asm (__JCR_LIST__): New.
469 (__do_global_dtors_aux): Use gp-relative static data to avoid
470 one dynamic relocation.
471 (__do_frame_setup): Register Java classes.
472 * config/alpha/crtend.asm (__JCR_END__): New.
474 2001-08-09 Zack Weinberg <zackw@stanford.edu>
476 * Makefile.in (HOST_CFLAGS): Take out -DGENERATOR_FILE.
477 (CONFIG_H, TCONFIG_H, TM_P_H): Update.
478 (GEN, STAGESTUFF): Add new files.
479 (insn-constants.h, s-constants, tm-preds.h, s-preds,
480 genconstants, genpreds, genconstants.o, genpreds.o): New rules.
481 (hashtab.o, safe-ctype.o): Add -DGENERATOR_FILE.
482 * mkconfig.sh: Include tm-preds.h in tm_p.h; insn-constants.h
483 as well as insn-codes.h and insn-flags.h in config.h; and no
484 extra headers in tconfig.h and hconfig.h.
486 * gencodes.c: Eliminate code to generate predicate declarations
487 or #defines for md-file constants.
488 * genconstants.c, genpreds.c: New files.
490 * i386.md: Re-order guard expressions such that TARGET_64BIT
491 comes first, when this permits better optimization. Add
492 TARGET_64BIT to more x86-64 patterns. Add comment explaining
493 why this is desirable.
495 2001-08-09 Jakub Jelinek <jakub@redhat.com>
497 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
498 (find_fde_for_dso): Remove.
499 (_Unwind_IteratePhdrCallback): New.
500 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
501 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
503 Thu Aug 9 11:30:20 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
505 * expr.c (emit_single_push_insn): Only exists ifdef PUSH_ROUNDING.
506 (move_by_pieces_1): If would call it, abort if no PUSH_ROUNDING.
508 2001-08-09 Graham Stott <grahams@redhat.com>
510 * sched-vis.c (MAX_VISUAL_NO_UNIT): Define.
511 (vis_no_unit): Use it.
512 (visualize_no_unit): Add the insn only if room exists.
514 2001-08-09 Graham Stott <grahams@redhat.com>
516 * predict.c (estimate_probability): Replace magic numbers with
517 appropriate enumeration.
519 2001-08-09 Graham Stott <grahams@redhat.com>
521 * cppexp.c (EXTRACT_PRIO): Uppercase and parenthsize macro
523 (EXTRACT_FLAGS): Likewise.
525 2001-08-09 Aldy Hernandez <aldyh@redhat.com>
527 * config/mips/mips.c (mips_legitimate_address_p): Check for
528 CONST_INT in last patch.
530 2001-08-08 Anthony Green <green@redhat.com>
532 * java/class.c (emit_register_classes): Use assemble_jcr if
533 possible. Keep the original mechanism as a fallback.
534 * defaults.h (JCR_SECTION_NAME): Define if we have named section
535 and weak symbol support.
536 * crtstuff.c (__JCR_LIST__): Define.
537 (__JCR_END__): Define.
538 (_Jv_RegiserClasses): Define weak symbol if possible.
539 (__do_global_ctors_aux): Register classes for ELF targets with
542 2001-08-08 Kazu Hirata <kazu@hxi.com>
544 * dbxout.c: Fix comment formatting.
545 * dependence.c: Likewise.
547 * diagnostic.c: Likewise.
548 * dominance.c: Likewise.
549 * doprint.c: Likewise.
550 * dwarf2out.c: Likewise.
551 * dwarfout.c: Likewise.
552 * emit-rtl.c: Likewise.
553 * except.c: Likewise.
554 * explow.c: Likewise.
555 * expmed.c: Likewise.
558 * fold-const.c: Likewise.
559 * function.c: Likewise.
561 2001-08-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
563 * global.c (retry_global_alloc): Avoid shadowing allocno.
565 2001-08-08 Mark Mitchell <mark@codesourcery.com>
567 * except.c (remove_fixup_regions): Fix typo.
569 2001-08-08 Jan van Male <jan.vanmale@fenk.wau.nl>
571 * emit-rtl.c (adjust_address, adjust_address_nv): Cast offset to
572 unsigned HOST_WIDE_INT to avoid warning.
573 * final.c (final): Cast INSN_UID to unsigned to avoid warning.
574 * flow.c (set_block_for_new_insns): Likewise.
576 Wed Aug 8 21:08:14 CEST 2001 Jan Hubicka <jh@suse.cz>
578 * sibcall.c (return_value_pseudo): New static variable.
579 (skip_copy_to_return_value): Handle return_value_pseudo.
580 (call_ends_block_p): Ensure that return_value_pseudo is set.
581 (optimize_sibling_and_tail_recursive_call): Discover the
582 load of pseudo return value in alternate exit block.
584 Wed Aug 8 21:06:43 CEST 2001 Jan Hubicka <jh@suse.cz>
586 * calls.c (ECF_ALWAYS_RETURN): New constant.
587 (emit_call_1): Add REG_ALWAYS_RETURN note if needed.
588 (expand_call): Use LCF_ALWAYS_RETURN for __bb_fork_func.
589 (emit_library_call_value_1): Handle LCT_ALWAYS_RETRUN.
590 * flow.c (need_fake_edge_p): Handle REG_ALWAYS_RETURN.
591 * rtl.c (reg_note_name): New name.
592 * rtl.h (enum reg_note): Add REG_ALWAYS_RETURN.
594 2001-08-07 Aldy Hernandez <aldyh@redhat.com>
596 * config/mips/mips.c (mips_legitimate_address_p): Limit "la" addresses.
598 2001-08-08 Jason Merrill <jason_merrill@redhat.com>
600 * alias.c (get_alias_set): Return a previously calculated
601 alias set for a VAR_DECL.
602 * function.c (gen_mem_addressof): Calculate the alias set before
605 Wed Aug 8 18:44:37 CEST 2001 Jan Hubicka <jh@suse.cz>
607 * predict.def: Set hitrates according our experimental run.
609 Wed Aug 8 18:01:58 CEST 2001 Jan Hubicka <jh@suse.cz>
611 * i386.h (HARD_REGNO_RENAME_OK): New macro.
613 2001-08-08 H.J. Lu <hjl@gnu.org>
615 * config/mips/mips.c (mips_unique_section): New. Copied from
618 * config/mips/mips-protos.h (mips_unique_section): New
621 * config/mips/elf.h (UNIQUE_SECTION): Use mips_unique_section.
623 * config/mips/little.h: New. Generic little endian mips
624 targets. Only mips*-*-linux* is converted to use it so far.
626 * config/mips/linux.h: Include "gofast.h" and "mips/mips.h".
627 (WCHAR_TYPE): Defined
628 (WCHAR_TYPE_SIZE): Likewise.
629 (INIT_SUBTARGET_OPTABS): Likewise.
630 (BSS_SECTION_ASM_OP): Likewise.
631 (SBSS_SECTION_ASM_OP): Likewise.
632 (ASM_OUTPUT_ALIGNED_BSS): Likewise.
633 (ASM_DECLARE_OBJECT_NAME): Likewise.
634 (UNIQUE_SECTION): Likewise.
635 (EXTRA_SECTIONS): Likewise.
636 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
637 (ASM_OUTPUT_DESTRUCTOR): Likewise.
638 (ASM_OUTPUT_DEF): Likewise.
639 (HANDLE_SYSV_PRAGMA): Removed.
640 (NO_IMPLICIT_EXTERN_C): Likewise.
641 (TARGET_MEM_FUNCTIONS): Likewise.
642 (STARTFILE_SPEC): Likewise.
643 (ENDFILE_SPEC): Likewise.
644 (LIB_SPEC): Likewise.
645 (INVOKE__main): Likewise.
646 (CTOR_LIST_BEGIN): Likewise.
647 (CTOR_LIST_END): Likewise.
648 (DTOR_LIST_BEGIN): Likewise.
649 (DTOR_LIST_END): Likewise.
650 (SET_ASM_OP): Likewise.
651 (ASM_OUTPUT_SOURCE_LINE): Likewise.
652 (ASM_OUTPUT_DEF): Likewise.
653 (ASM_OUTPUT_IDENT): Likewise.
655 * config/mips/mips.h (ASM_SPEC): Undefine before define.
656 (CPLUSPLUS_CPP_SPEC): Likewise.
657 (ASM_APP_ON) Redefine only if not defined.
658 (ASM_APP_OFF): Likewise.
659 (ASM_OUTPUT_SOURCE_LINE): Likewise.
660 (ASM_OUTPUT_IDENT): Likewise.
662 * config.gcc: Update tm_file for Linux/mips.
664 2001-08-08 Bernd Schmidt <bernds@redhat.com>
666 * cselib.c (cselib_record_sets): If insn is predicated, turn
667 sources into IF_THEN_ELSEs.
669 * config/ia64/ia64.md (cond_opsi2_internal, cond_opsi2_internal_b):
670 Turn into define_insn_and_split.
672 * sched-deps.c: Include "cselib.h".
673 (add_insn_mem_dependence, sched_analyze_1, sched_analyze_2):
674 Use cselib to turn memory addresses into VALUEs.
675 (sched_analyze): Call cselib_init/cselib_finish if necessary.
676 * sched-int.h (struct sched_info): New member USE_CSELIB.
677 * sched-ebb.c (ebb_sched_info): Initialize it.
678 * sched-rgn.c (rgn_sched_info): Likewise.
679 * Makefile.in (sched-deps.o): Update dependencies.
681 * cselib.h (cselib_subst_to_values): Declare.
682 * cselib.c (cselib_subst_to_values): No longer static. Allow MEMs
683 that have no value and autoincs to be handled by generating a new
686 2001-08-08 Graham Stott <grahams@redhat.com>
688 * final.c (shorten_branches): Update the INSN_ADDRESSES of insns
689 within fixed length SEQUENCE.
691 2001-08-08 Graham Stott <grahams@redhat.com>
693 * diagnostic.h (diagnostic_format_decoder): Parenthesize macro parameter.
694 (diagnostic_prefixing_rule): Likewise.
695 (diagnostic_line_cutoff): Likewise.
696 (diagnostic_kind_count): Likewise.
698 2001-08-08 Graham Stott <grahams@redhat.com>
700 * alias.c (find_base_decl): Delete redundent assignment.
702 2001-08-08 Graham Stott <grahams@redhat.com>
704 * dependence.c (INDEX_LIMIT_CHECK): Uppercase macro parameter.
705 (abs): Uppercase and paranthesize macro parameter.
706 (MEM_DEPENDENCY): Add whitespace.
708 2001-08-08 Graham Stott <grahams@redhat.com>
710 * config/mips/mips.c (mips_legitimate_address_p): Fix enable checking
711 failure check for CONST_INT
713 2001-08-08 Graham Stott <grahams@redhat.com>
715 * flow.c (back_edge_of_syntactic_loop_p): Add whitespace.
716 (libcall_dead_p): Likewise.
718 (mark_used_regs): Constify fmt.
719 (find_use_as_address): Likewise.
721 2001-08-08 Graham Stott <grahams@redhat.com>
723 * c-typeck.c (RESTORE_SPELLING_DEPTH): Uppercase and parenthesize macro
726 2001-08-08 Graham Stott <grahams@redhat.com>
728 * combine.c (combine_simplify_rtx): Update comment and
729 remove erroneous test.
731 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
733 * cppinit.c (cpp_finish): Pop the final buffer without comment.
734 * cpplex.c (_cpp_lex_token): Don't pop the final buffer; and
735 take care to avoid multiple no-newline at EOF warnings in that
738 Tue Aug 7 22:18:06 CEST 2001 Jan Hubicka <jh@suse.cz>
740 * calls.c (expand_call): Do not emit INSN_SETJMP note.
741 (emit_library_call_value_1): Likewise.
742 (emit_call_1): Emit REG_SETJMP note.
743 * cse.c (cse_end_of_basic_block): Use REG_SETJMP instead
745 * cselib.c (cselib_process_insn): Likewise.
746 * flow.c (propagate_block): Likewise.
747 * loop.c (find_and_verify_loops): Likewise.
748 * reload.c (find_equiv_regs): Likewise.
749 * reload1.c (reload): Likewise.
750 * resource.c (mark_referenced_resources,
751 mark_set_resources): Likewise.
752 * sched-deps (sched_analyze_insn, sched_analyze): Likewise.
753 * final.c (final_scan_insn): Remove NOTE_INSN_SETJMP.
754 * haifa-sched.c (unlink_other_notes): Likewise.
755 (reemit_notes): Likewise.
756 * sched-ebb.c (sched_ebb): Likewise.
757 * sched-rgc.c (sched_region): Likewise.
758 * rtl.c (note_insn_name): Likewise.
759 (reg_note_name): Add REG_SETJMP
760 * rtl.h (reg_note): Add REG_SETJMP.
761 (insn_note): Remove NOTE_INSN_SETJMP.
763 * profile.c (branch_prob): Add fake edges for setjmp.
765 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
767 * config.gcc: Quote target_cpu_default2 correctly for
768 powerpc*-*-* targets.
770 2001-08-07 Neil Booth <neil@daikokuya.demon.co.uk>
772 * cpplib.h, line-map.h: Update comments.
773 * cppmain.c (printer_init): Move inline.
774 (maybe_print_line, print_line): Take a map pointer.
775 (cb_ident, cb_define, cb_undef, cb_include, cb_def_pragma): Update.
776 (cb_file_change): Don't use prior value of print.map.
778 2001-08-07 David Edelsohn <edelsohn@gnu.org>
780 * doc/install.texi: Document fine-grained multilib configuration.
782 Tue Aug 7 16:52:54 CEST 2001 Jan Hubicka <jh@suse.cz>
784 * rtlanal.c (find_first_parameter_load): Call note_stores
785 only on the instructions.
787 Tue Aug 7 14:56:16 CEST 2001 Jan Hubicka <jh@suse.cz>
789 * alias.c (nonlocal_mentioned_p):
790 Rename CONST_CALL_P to CONST_OR_PURE_CALL_P
791 * calls.c (emit_call_1): Likewise.
792 * cse.c (cse_insn, invalidate_skipped_block): Likewise.
793 * cselib.c (cselib_process_insn): Likewise.
794 * df.c (df_insns_modify): Likewise.
795 * flow.c (need_fake_edge_p): Likewise.
796 (propagate_one_insn): Likewise.
797 * haifa-sched.c (reemit_notes): Likewise.
798 * integrate.c (copy_insn_list): Likewise.
799 * jump.c (delete_prior_computation): Likewise.
800 * local-alloc.c (validate_equiv_mem): Likewise.
801 * loop.c (scan_loop): Likewise.
802 * predict.c (estimate_probability): Likewise.
803 * reload.c (reload): Likewise.
804 * sched-deps (sched_analyze): Likewise.
805 * rtl.h (CONST_CALL_P): rename to CONST_OR_PURE_CALL_P.
806 * gcse.c (compute_hash_table): Likewise.
807 (mark_call): Likewise.
808 (store_killed_in_insn): Likewise.
810 2001-08-07 Jason Merrill <jason_merrill@redhat.com>
812 * c-semantics.c (make_rtl_for_local_static): Use DECL_RTL_SET_P.
814 2001-08-06 Richard Henderson <rth@redhat.com>
816 * varasm.c (assemble_gc_entry): Remove.
817 * output.h: Likewise.
819 2001-08-06 Richard Henderson <rth@redhat.com>
821 * varasm.c (assemble_constructor): Take a symbol_ref and a
822 priority instead of a bare string. Move priority handling
823 here from cp/decl2.c.
824 * output.h: Update decls.
826 * c-decl.c (c_expand_body): Update calls to assemble_constructor
827 and assemble_destructor.
828 * profile.c (output_func_start_profiler): Likewise.
829 * objc/objc-act.c (finish_objc): Likewise.
830 (build_module_descriptor): Return the symbol not the symbol name.
832 2001-08-06 David Edelsohn <edelsohn@gnu.org>
834 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): Add whitespace.
835 * config/rs6000/linux64.h (RS6000_MCOUNT): Define.
836 ({SAVE,RESTORE}_FP_{PREFFIX,SUFFIX}): Define.
837 * config/rs6000/rs6000.h (ASM_OUTPUT_DOUBLE_INT): Remove whitespace.
838 * config/rs6000/sysv4.h (DOUBLE_INT_ASM_OP): Add whitespace.
839 * config/rs6000/xcoff.h (DOUBLE_INT_ASM_OP): Add whitespace.
841 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
843 * cpperror.c (print_containing_files): Moved to line-map.c.
844 (print_location): line-map.c handles re-listing or otherwise.
845 * cpphash.h (struct lexer_state): Remove next_bol.
846 (struct cpp_buffer): Remove include_stack_listed.
847 * cpplib.c (do_line, cpp_push_buffer, _cpp_pop_buffer):
848 Remove faked buffer handling.
849 (_cpp_do_file_change): Tweak.
850 * cpplib.h (enum cpp_buffer_type): Remove BUF_FAKE.
851 * cppmain.c (struct printer): Remove filename.
852 (print_line, cb_file_change): Update accordingly.
853 * line-map.c: Include intl.h.
854 (init_line_maps): Initialize last_listed.
855 (free_line_maps): Sanity check, warn if ENABLED_CHECKING.
856 (add_line_map): Sanity check inputs, warn if ENABLED_CHECKING.
857 (print_containing_files): New.
858 * line-map.h (struct line_maps): New member last_listed.
859 (print_containing_files, INCLUDED_FROM): New.
860 * Makefile.in: Update.
861 * po/POTFILES.in: Add line-map.c.
863 2001-08-06 Richard Henderson <rth@redhat.com>
865 * except.c (convert_from_eh_region_ranges_1): Never mark
866 USE or CLOBBER insns as throwing.
868 * expr.c (store_constructor): Don't clobber memory targets.
870 2001-08-06 Andreas Jaeger <aj@suse.de>
872 * profile.c (branch_prob): Remove unused variable insn.
874 * Makefile.in (local-alloc.o): Add dependency on except.h.
876 * local-alloc.c: Include except.h for can_throw_internal prototype.
878 2001-08-06 Richard Henderson <rth@redhat.com>
880 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
881 * function.c (expand_main_function): Implement it.
882 * doc/tm.texi: Document it.
884 2001-08-06 Stan Shebs <shebs@apple.com>
886 * doc/install.texi: Document powerpc-*-darwin* details.
888 2001-08-06 Daniel Berlin <dan@cgsoftware.com>
890 * config/rs6000/aix.h (CPP_CPU_SPEC): Move back to rs6000.h
891 (ASM_CPU_SPEC): Move back to rs6000.h
892 #undef CPP_DEFAULT_SPEC and ASM_DEFAULT_SPEC before redefining them.
894 * config/rs6000/darwin.h (DOUBLE_INT_ASM_OP): New macro.
896 * config/rs6000/linux.h: Remove vtable thunks stuff we accidently
899 * config/rs6000/linux64.h: Ditto.
901 * config/rs6000/rs6000.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
902 to here. Define default ASM_DEFAULT_SPEC and CPP_DEFAULT SPEC to
905 Remove accidently readded definitions of FUNCTION_PROLOGUE,
906 FUNCTION_EPILOGUE, ASM_OPEN_PAREN, ASM_CLOSE_PAREN
908 * config/rs6000/sysv4.h: Move CPP_CPU_SPEC and ASM_CPU_SPEC back
911 2001-08-05 Richard Henderson <rth@redhat.com>
913 * local-alloc.c (update_equiv_regs): Do not move insns that
916 2001-08-05 Jan Hubicka <jh@suse.cz>
918 * Makefile.in (reload1.o): Add dedendancy on except.h
919 * basic-block.h (purge_all_dead_edges, purge_dead_edges): Update
921 * flow.c (purge_dead_edges, purge_all_dead_edges): Return bool
922 indicating wehther edges has been cleaned up.
923 * reload1.c: Inlucde except.h
924 (fixup_abnormal_edges): Accept deleted insns.
925 * toplev.c (rest_of_compilation): Purge dead edges unconditionally
928 2001-08-06 Neil Booth <neil@daikokuya.demon.co.uk>
930 * cpplib.c (do_line): Correct line number after pop_buffer.
932 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
935 * line-map.c: Update comments.
936 * line-map.h: Update comments.
937 * tradcif.y: Don't consider large numbers unsigned.
939 2001-08-05 Neil Booth <neil@daikokuya.demon.co.uk>
942 * c-lex.c (map): New.
943 (cb_file_change): Update map and use it.
944 (cb_def_pragma, cb_define, cb_undef): Use map and line.
945 (c_lex): Update to use map.
946 * cpperror.c (print_location): Move to using logical line numbers.
947 * cppfiles.c (stack_include_file): Update for new _cpp_do_file_change.
948 (cpp_make_system_header): Similarly.
949 (_cpp_execute_include): Stop line numbering hacks. Store the
950 line we will return to.
951 * cpphash.h (CPP_BUF_LINE): Remove.
952 (struct cpp_buffer): Remove lineno and pseudo_newlines.
953 Add map and return_to_line.
954 (_cpp_do_file_change): Update.
955 * cppinit.c (cpp_start_read): Update line kludge.
956 * cpplex.c (handle_newline): Don't update lineno and pseudo_newlines.
957 (trigraph_ok): Use logical line numbers for diagnostics.
958 (skip_block_comment): Likewise.
959 (skip_whitespace): Likewise.
960 (skip_line_comment): Use pfile->line instead.
961 (_cpp_lex_token): Update to use logical line numbering exclusively.
962 Handle BOL locally. Accept new lines in directives, but keep
963 pfile->line decremented. Diagnostics use logical lines. Update
965 * cpplib.c (SEEN_EOL): New.
966 (skip_rest_of_line, check_eol): Use it.
967 (end_directive): Increase line number when accepting the newline
968 at the end of a directive.
969 (run_directive): Simplify.
970 (do_line): Bad LC_LEAVEs become LC_RENAMEs. Update.
971 (_cpp_do_file_change): Update to take buffer line number as an
972 argument, and store the current map in the cpp_reader. Remove
974 (_cpp_do__Pragma): Restore output position after a _Pragma.
975 (cpp_push_buffer): Don't set output line or lineno.
976 (_cpp_pop_buffer): Transfer more info from a faked buffer.
977 Remove line kludge. Set output_line.
978 * cppmacro.c (builtin_macro): Update handling of __LINE__.
979 (parse_arg): Use logical lines.
980 (save_lookahead_token): Save EOFs too now.
981 * cppmain.c (struct printer): Fix comments.
982 (printer_init): Simplify, let caller do errors.
983 (scan_translation_unit, check_multiline_token, dump_macro): Update.
984 (maybe_print_line): Simplify.
985 (print_line): Don't print a linemarker if -P.
986 (cb_define, cb_undef, cb_def_pragma, cb_ident, cb_include): Update.
987 (cb_file_change): Simplify.
988 * line-map.h (LAST_SOURCE_LINE): Fix.
989 (CURRENT_LINE_MAP): New.
991 2001-08-05 Bernd Schmidt <bernds@redhat.com>
993 * doloop.c (doloop_modify_runtime): Properly compute number of
994 iterations if loop was unrolled.
996 * alias.c (rtx_equal_for_memref_p): VALUEs are only identical
997 if their CSELIB_VAL_PTRs are.
999 * config/ia64/ia64.c (struct spill_fill_data): New member prev_insn.
1000 (setup_spill_pointers): Initialize it.
1001 (spill_restore_mem): Set it.
1002 (do_spill, do_restore): Use it to add REG_INC note.
1003 * config/ia64/ia64.md (movti_internal): Add REG_INC notes as needed.
1005 * config/ia64/ia64.c (ia64_sched_reorder): Defer scheduling of
1006 asms if other insns are available.
1008 * config/ia64/ia64.c (condop_operator): New predicate.
1009 * config/ia64/ia64.h (PREDICATE_CODES): Add it.
1010 * config/ia64/ia64.md (cond_opsi2_internal and splitters): New
1013 * expr.c (expand_expr, case COND_EXPR): Prefer working with a
1014 temporary register than directly using a MEM.
1016 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1018 * config/sh/sh.c (sh_asm_named_section): Fix typo in align
1019 parameter in last change.
1021 2001-08-04 Zack Weinberg <zackw@panix.com>
1023 * sparc.md: Don't use #if inside C test expression.
1025 2001-08-04 Richard Henderson <rth@redhat.com>
1027 * i386.c: Revert 07-30 ix86_output_main_function_alignment_hack.
1029 2001-08-04 Neil Booth <neil@daikokuya.demon.co.uk>
1031 * cpphash.h (struct cpp_reader): New member directive_line.
1032 * cpplib.h (struct cpp_callbacks): Update prototypes of callbacks.
1033 * cpplib.c (do_define, do_undef, do_ident, do_include_common,
1034 do_pragma): Pass line to callbacks.
1035 (start_directive): Record line of directive.
1036 * cppmain.c (cb_ident, cb_define, cb_undef, cb_def_pragma,
1037 cb_include): Similarly.
1038 * c-lex.c (cb_ident, cb_define, cb_undef, cb_def_pragma):
1041 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1043 * config/d30v/d30v.h: Fix typo in start of UNIQUE_SECTION
1046 Sat Aug 4 13:51:36 CEST 2001 Jan Hubicka <jh@suse.cz>
1048 * loop.c (try_copy_prop); Kill invalidated REG_EQUAL notes.
1050 * reload1.c (fixup_abnormal_edges): New static function.
1053 * flow.c (need_fake_edge_p): New function.
1054 (flow_call_edges_add): Fix handling of noreturn and sibbling calls;
1055 avoid call insn to be very last insn in the insn stream.
1057 * profile.c (branch_prob): Call flow_call_edges_add instead of
1058 doing that by hand; cleanup cfg to re-merge basic blocks once
1061 2001-08-04 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1063 * Makefile.in (CPPLIB_H): New, so that dependencies on cpplib.h
1064 are also on line-map.h.
1065 * cppfiles.c (stack_include_file): Update.
1066 * cpphash.h (struct cpp_buffer): New member return_at_eof.
1067 (_cpp_pop_buffer): New.
1068 * cppinit.c (cpp_destroy, cpp_finish): Update.
1069 (do_includes): Mark each buffer to return at EOF.
1070 * cpplex.c (_cpp_lex_token): Pop buffers at EOF. Continue or
1071 return as requested.
1072 * cpplib.c (run_directive, do_line, cpp_push_buffer): Update.
1073 (cpp_pop_buffer): Rename _cpp_pop_buffer. Stop skipping.
1074 * cpplib.h (cpp_pop_buffer): Remove.
1075 (cpp_scan_buffer_nooutput): Rename cpp_scan_nooutput.
1076 * cppmacro.c (cpp_scan_buffer_nooutput): Similarly. No need to pop
1078 * cppmain.c (scan_buffer): Rename scan_translation_unit. No need
1080 (do_preprocessing): Update.
1081 * fix-header.c (read_scan_file): Update. No need to pop buffers.
1082 * c-parse.in (_yylex): Similarly.
1083 * scan-decls.c (scan_decls): Similarly.
1084 * line-map.h: Update comments.
1086 * objc/Make-lang.in (objc-act.o): Update dependencies.
1088 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1090 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
1091 and soft register for operand 0.
1092 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
1094 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1096 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
1097 register for operand 0.
1098 ("bitcmpqi_z_used"): Allow memory for operand 0.
1099 (split "bitcmpqi"): New split to handle address reg as operand 1.
1101 2001-08-04 Andreas Jaeger <aj@suse.de>
1103 * gcse.c: Revert Daniel's last patch.
1105 2001-08-03 Zack Weinberg <zackw@stanford.edu>
1107 * sparc-protos.h: Add prototypes for fp_zero_operand and
1109 * sh-protos.h: Add prototype for fpul_operand.
1111 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
1113 * doc/extend.texi (Other Builtins): Fix typo in last change.
1115 2001-08-03 Richard Henderson <rth@redhat.com>
1117 * target.h (gcc_target): Add asm_out.named_section,
1118 section_type_flags, have_named_sections.
1119 * target-def.h (TARGET_ASM_NAMED_SECTION): New.
1120 (TARGET_HAVE_NAMED_SECTIONS): New.
1121 (TARGET_SECTION_TYPE_FLAGS): New.
1123 * Makefile.in (toplev.o): Depend on TARGET_H.
1124 (varasm.o, dbxout.o): Likewise.
1125 * c-common.c (decl_attributes): Check targetm.have_named_sections
1126 instead of ifdef ASM_OUTPUT_SECTION_NAME.
1127 * dbxout.c (dbxout_function_decl): Likewise.
1128 (dbxout_function_end): Likewise.
1129 * toplev.c (compile_file): Likewise.
1130 * varasm.c (exception_section): Likewise.
1131 * cp/decl2.c (finish_objects): Likewise.
1133 * defaults.h (EH_FRAME_SECTION): Remove.
1134 (EH_FRAME_SECTION_ASM_OP): Remove.
1135 (EH_FRAME_SECTION_NAME): New.
1136 (UNIQUE_SECTION): Don't depend on ASM_OUTPUT_SECTION_NAME.
1137 (UNIQUE_SECTION_P): Remove.
1138 * dwarf2out.c (SECTION_FORMAT): Remove.
1139 (ASM_OUTPUT_SECTION): Remove.
1140 (output_call_frame_info): Use named_section_flags.
1141 (output_comp_unit, dwarf2out_start_source_file): Likewise.
1142 (dwarf2out_end_source_file, dwarf2out_define): Likewise.
1143 (dwarf2out_undef, dwarf2out_init, dwarf2out_finish): Likewise.
1144 * varasm.c (in_eh_frame, eh_frame_section): Remove.
1145 (named_section_flags): New.
1146 (named_section): Use it and targetm.section_type_flags.
1147 (resolve_unique_section): New.
1148 (assemble_start_function): Use it.
1149 (asm_emit_uninitialised, assemble_variable): Likewise.
1150 (default_section_type_flags): New.
1151 (default_no_named_section, default_elf_asm_named_section): New.
1152 (default_coff_asm_named_section, default_pe_asm_named_section): New.
1153 * output.h: Update varasm.c decls.
1154 (SECTION_*): New flags.
1156 * crtstuff.c: Check EH_FRAME_SECTION_NAME not EH_FRAME_SECTION_ASM_OP.
1157 (__EH_FRAME_BEGIN__, __FRAME_END__): Use attribute section.
1159 * config/elfos.h (UNIQUE_SECTION_P): Remove.
1160 * config/alpha/elf.h, config/arm/linux-elf.h: Likewise.
1161 * config/arm/pe.h, config/arm/unknown-elf.h: Likewise.
1162 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1163 * config/i386/i386-interix.h, config/i386/win32.h: Likewise.
1164 * config/ia64/sysv4.h, config/mcore/mcore-pe.h: Likewise.
1165 * config/mips/elf.h, config/mips/elf64.h: Likewise.
1166 * config/mips/iris6gld.h, config/mips/mips.h: Likewise.
1167 * config/pa/pa64-hpux.h,
1169 * config/elfos.h (ASM_OUTPUT_SECTION_NAME): Remove.
1170 (TARGET_ASM_NAMED_SECTION): New.
1171 * config/psos.h, config/a29k/a29k.h, config/alpha/elf.h: Likewise.
1172 * config/alpha/vms.h, config/arm/coff.h: Likewise.
1173 * config/arm/conix-elf.h, config/arm/elf.h: Likewise.
1174 * config/arm/linux-elf.h, config/arm/pe.h: Likewise.
1175 * config/arm/unknown-elf.h, config/avr/avr.h: Likewise.
1176 * config/c4x/c4x.h, config/h8300/h8300.h: Likewise.
1177 * config/i386/cygwin.h, config/i386/djgpp.h: Likewise.
1178 * config/i386/i386-interix.h, config/i386/i386elf.h : Likewise.
1179 * config/i386/sco5.h, config/i386/win32.h: Likewise.
1180 * config/m68k/coff.h, config/mcore/mcore-pe.h: Likewise.
1181 * config/mcore/mcore.h, config/mips/elf.h: Likewise.
1182 * config/mips/elf64.h, config/mips/iris6.h: Likewise.
1183 * config/mips/netbsd.h, config/mips/openbsd.h: Likewise.
1184 * config/pa/pa64-hpux.h, config/rs6000/sysv4.h: Likewise.
1185 * config/rs6000/xcoff.h, config/sh/sh.h: Likewise.
1186 * config/sparc/sysv4.h: Likewise.
1188 * config/nextstep.h: Error until named sections implemented.
1190 * config/a29k/a29k.c (a29k_asm_named_section): New.
1191 * config/alpha/alpha.c (SECTION_VMS_OVERLAY): New.
1192 (vms_section_type_flags, vms_asm_named_section): New.
1193 * config/arm/arm.c (arm_elf_asm_named_section): New.
1194 * config/avr/avr.c (asm_output_section_name): Remove.
1195 * config/avr/avr-protos.h: Update.
1196 * config/c4x/c4x.c (c4x_asm_named_section): New.
1197 * config/h8300/h8300.c (h8300_asm_named_section): New.
1198 * config/i386/i386.c (sco_asm_named_section): New.
1199 * config/i386/winnt.c (SECTION_PE_SHARED): New.
1200 (i386_pe_section_type_flags): New.
1201 (i386_pe_asm_named_section): New.
1202 * config/i386/i386-protos.h: Update.
1203 * config/m68k/m68k.c (m68k_coff_asm_named_section): New.
1204 * config/mcore/mcore.c (mcore_asm_named_section): New.
1205 * config/mips/mips.c (iris6_asm_named_section): New.
1206 * config/mips/mips.h (ENCODE_SECTION_INFO): Use DECL_ONE_ONLY
1207 instead of UNIQUE_SECTION_P.
1208 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): New.
1209 (xcoff_asm_named_section): New.
1210 * config/sh/sh.c (sh_asm_named_section): New.
1211 * config/sparc/sparc.c (sparc_elf_asm_named_section): New.
1213 * config/i386/djgpp.h (EH_FRAME_SECTION_ASM_OP): Remove.
1214 * config/i386/sco5.h (EH_FRAME_SECTION_ASM_OP*): Remove.
1215 (EH_FRAME_SECTION_NAME): New.
1216 (EXCEPTION_SECTION): New.
1217 * config/ia64/ia64.h (EH_FRAME_SECTION_ASM_OP): Remove.
1218 (DEBUG_*_SECTION): Remove.
1219 * config/m68k/rtemself.h (EH_FRAME_SECTION_ASM_OP): Remove.
1220 * config/mips/iris6.h (DEBUG_*_SECTION): Remove.
1221 (EH_FRAME_SECTION_ASM_OP): Remove.
1223 * doc/tm.texi (UNIQUE_SECTION_P): Remove.
1224 (ASM_OUTPUT_SECTION_NAME): Remove.
1225 (TARGET_ASM_NAMED_SECTION): New.
1226 (TARGET_HAVE_NAMED_SECTIONS): New.
1227 (TARGET_SECTION_TYPE_FLAGS): New.
1228 (EH_FRAME_SECTION_ASM_OP): Remove.
1229 (EH_FRAME_SECTION_NAME): New.
1231 2001-08-03 Zack Weinberg <zackw@stanford.edu>
1233 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
1234 for complex expressions when cfun == 0.
1235 * doc/extend.texi: Document that __builtin_constant_p can be
1236 used in data initializers as well as functions.
1238 2001-08-03 Alexandre Oliva <aoliva@redhat.com>
1240 * config/mn10300/mn10300.h (CONDITIONAL_REGISTER_USAGE): Declare
1241 variable I locally, instead of expecting a declaration in the
1244 2001-08-03 Richard Henderson <rth@redhat.com>
1246 * except.c (collect_one_action_chain): Add an explicit cleanup
1247 action if regions surrounding a catch were encoded entirely
1248 within the call-site entry.
1250 2001-08-03 Richard Henderson <rth@redhat.com>
1252 * dbxout.c (dbxout_symbol_location): Flatten subregs first;
1253 don't take REGNO of a non-register.
1255 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1257 * gthr-dce.h (__GTHREAD_MUTEX_INIT_FUNCTION and
1258 __GTHREAD_MUTEX_INIT_DEFAULT): New macros for mutex initialization.
1259 (__gthread_key_delete): Remove code for __PTHREAD_LIBRARY_VERSION_1 >= 1
1260 (__gthread_mutex_init_function): New function for mutex initialization.
1262 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1264 * Makefile.in: Revert screwed up commit.
1266 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1268 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
1269 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
1270 merged by linker script to get a final _exit().
1271 (__do_global_dtors): New for destructor handling in specific exit
1273 (__do_global_ctors): New for constructors in specific install section.
1274 (__map_data_section): Map data sections before running constructors.
1275 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
1276 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
1277 (DTORS_SECTION_ASM_OP): Likewise.
1278 (CTORS_SECTION_FUNCTION): Define to force a reference to
1280 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
1282 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1284 * ChangeLog: Fix date on previous ChangeLog entry for GCSE.
1286 * Makefile.in: Add df.h to gcse.c dependencies.
1288 2001-08-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1290 * varasm.c (output_constant_def_contents): Use for the length of a
1291 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
1292 depending on which is larger.
1294 2001-08-03 Daniel Berlin <dan@cgsoftware.com>
1296 * gcse.c: Include df.h for use as a dataflow analyzer.
1298 Declaration of reg_set_info: gone.
1299 New df_analyzer variable used by store motion.
1300 (reg_set_info): Deleted.
1301 (mark_mem_regs): New function, analyze regs used by a mem.
1302 (store_ops_ok): Use dataflow analyzer results to determine if
1303 necessary regs are changed in the block.
1304 (find_moveable_store): Remove check for symbol ref, we can handle
1305 much more complex expressions now.
1306 (compute_store_table): Remove most of the code, it's unnecessary
1307 now that the dataflow analyzer records the info for us.
1308 (store_killed_after): Add parameter to say whether to do the
1309 store_ops_okay test, used to speed up testing when we already know
1310 the answer, and just want to know if the store itself was killed.
1311 (build_store_vector): Largely rewritten to calculate the various
1312 vectors properly, and somewhat optimized.
1313 (store_motion): Init the df_analyzer, get REG_DEF chains.
1314 Also handle trapping expressions (since mems almost always trap)
1315 (simple_mem): Redefine what a simple mem is.
1317 2001-08-03 DJ Delorie <dj@redhat.com>
1319 * ifcvt.c (noce_get_alt_condition): Don't make an auxiliary
1320 set from a constant part of the condition.
1322 2001-08-01 Andrew Cagney <ac131313@redhat.com>
1324 * mkdeps.c (deps_add_default_target): Make local variable
1325 ``start'' a const char pointer.
1326 * dwarf2out.c (compute_section_prefix): Localize use of ``p''.
1328 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1330 * doc/install.texi (Configuration): Fix markup.
1331 (Specific, i?86-*-udk): Likewise.
1332 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
1334 Document --enable-threads and --enable-libgcj status.
1335 (Specific, mips-sgi-irix*): Canonicalize triples.
1336 (Specific, mips-sgi-irix5): Warn about problems with this config.
1337 Mention required GNU as patch.
1338 Native assembler problems are fixed.
1339 (Specific, mips-sgi-irix6): Update O32 ABI support status.
1340 Document --enable-threads and --enable-libgcj status.
1342 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1344 * Makefile.in, mklibgcc.in: Restore changes with fixed invocation
1347 2001-08-03 Richard Henderson <rth@redhat.com>
1349 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Don't write to
1352 2001-08-03 Richard Henderson <rth@redhat.com>
1354 * rtlanal.c (find_first_parameter_load): Stop if we
1355 reach a CODE_LABEL at BOUNDARY.
1357 2001-08-03 Richard Henderson <rth@redhat.com>
1359 * config/alpha/alpha.md (force_movdi): New insn.
1360 * config/alpha/alpha.c (alpha_expand_prologue): Use it.
1361 Tweek FRP marking of VMS prologue insns.
1362 * config/alpha/vms.h (EPILOGUE_USES): New.
1364 2001-08-02 Richard Henderson <rth@redhat.com>
1366 * Makefile.in, mklibgcc.in: Revert mkinstalldirs change.
1368 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1370 * combine.c, config.gcc, cse.c, defaults.h, real.c, reload.c,
1371 simplify-rtx.c, config/alpha/alpha.h, config/avr/avr.h,
1372 config/convex/convex.h, config/d30v/d30v.c,
1373 config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
1374 config/elxsi/elxsi.h, config/fr30/fr30.h, config/m88k/m88k.c,
1375 config/mips/mips.h, config/mn10200/mn10200.h,
1376 config/mn10300/mn10300.h, config/pdp11/pdp11.md,
1377 config/v850/v850.h, config/vax/openbsd.h,
1378 config/vax/openbsd1.h, config/vax/ultrix.h,
1379 config/vax/vax-protos.h, config/vax/vax.c, config/vax/vax.h,
1380 config/vax/vax.md, config/vax/vaxv.h, config/vax/xm-vms.h,
1381 cp/decl2.c, doc/contrib.texi, doc/cpp.texi, doc/gcc.texi,
1382 doc/install.texi, doc/invoke.texi, doc/md.texi, doc/rtl.texi,
1383 doc/tm.texi: consistently use "VAX", "VAXen", and "MicroVAX"
1384 in comments and documentation.
1386 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1390 * Makefile.in (line-map.o): New.
1391 (LIBCPP_OBJS, LIBCPP_DEPS): Update.
1392 * c-lex.c (cb_file_change): Update for new cpp_file_change structure.
1393 * cpperror.c (print_containing_files): Similarly.
1394 (print_location): Update. Don't output a space before _Pragma.
1395 * cppfiles.c (stack_include_file): Set to line 1 immediately.
1396 (stack_include_filee, cpp_make_system_header): Update.
1397 (_cpp_execute_include): Get logical line number right for calling
1398 as-yet-unterminated #include.
1399 * cpphash.h (struct cpp_reader): Add line_maps.
1400 (_cpp_do_file_change): Update.
1401 * cppinit.c (cpp_create_reader): Initialize line maps.
1402 (cpp_destroy): Destroy line maps.
1403 (cpp_start_read): Get logical line number right.
1404 * cpplex.c (parse_string): Only warn once for multi-line strings.
1405 Use boolean variable for null warning.
1406 * cpplib.c (_cpp_handle_directive): End the directive if it isn't
1408 (do_include_common): End the directive early.
1409 (do_line): Don't warn about out-of-range lines in preprocessed
1410 source. Update. Remove unused variables.
1411 (_cpp_do_file_change): Update for new line mapping.
1412 (pragma_cb): New typedef.
1413 (cpp_register_pragma): Stop looking ahead before calling the
1415 (do_pragma_system_header): End directive early.
1416 (cpp_get_line_maps): New.
1417 (cpp_pop_buffer): Fudge logical line. Update.
1418 * cpplib.h: Include line-map.h
1419 (enum cpp_fc_reason): Remove.
1420 (struct cpp_file_change): Update.
1421 (cpp_get_line_maps): New.
1422 * cppmain.c (struct_printer): New member map.
1423 (cb_file_change): Update for new mappings.
1424 * fix-header.c (cb_file_change): Similarly.
1426 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1428 * Makefile.in (libgcc.mk): Define mkinstalldirs.
1429 * mklibgcc.in: Use mkinstalldirs instead of mkdir.
1431 2001-08-02 Lars Brinkhoff <lars@nocrew.org>
1433 * config/vax/vax.c: include expr.h.
1435 2001-08-02 Nick Clifton <nickc@cambridge.redhat.com>
1437 * Makefile.in ($(srcdir)/configure): Only rebuild in
1439 ($(srcdir)/config.in): Only define in maintainer mode.
1440 ($(srcdir)/cstamp-h.in): Only define in maintainer mode.
1442 2001-08-02 David Edelsohn <edelsohn@gnu.org>
1444 * doc/install.texi (Install GCC: Binaries): Update Bull info.
1446 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1448 * gcc.c (set_collect_gcc_options): New function, split out from
1450 Ignore elided switches.
1451 (do_spec_1): Invoke before executing command.
1452 (set_input): Export.
1453 Move declaration ...
1454 * gcc.h (set_input): ... here.
1455 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
1458 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
1461 * doc/c-tree.texi (Namespaces): Remove std & -fhonor-std
1463 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
1465 2001-08-02 Richard Sandiford <rsandifo@redhat.com>
1467 * mips.md (movdicc): Make conditional on TARGET_64BIT. Likewise
1468 for the unnamed instructions it expands to.
1470 2001-08-02 Richard Henderson <rth@redhat.com>
1472 * regclass.c (call_really_used_regs): Conditionally define.
1473 (init_reg_sets_1): Don't use it if not defined.
1474 (fix_register): Similarly, don't set it.
1476 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1478 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
1479 Correct comment that had been missed in the previous change.
1481 2001-08-01 Stan Shebs <shebs@apple.com>
1483 * config/darwin.c (machopic_stub_name): Try matching by name.
1484 (update_stubs): New function.
1485 (darwin_encode_section_info): Call it and update_non_lazy_ptrs
1488 2001-08-01 Richard Henderson <rth@redhat.com>
1490 * except.c (output_function_exception_table): Use assemble_align.
1491 * varasm.c (assemble_eh_label): Remove.
1492 (assemble_eh_align, assemble_eh_integer): Remove.
1494 2001-08-01 Robert Lipe <robertl@caldera.com>
1496 * dwarfout.c: Remove reference to README.DWARF.
1498 2001-08-01 Andrew MacLeod <amacleod@redhat.com>
1500 * regclass.c (call_really_used_regs): New array for registers which
1501 are actually used by a call.
1502 (init_reg_sets_1): Initialize regs_invalidated_by_call with the
1504 (fix_register): Set call_really_used too.
1505 * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): Initialize.
1506 * doc/tm.texi (CALL_REALLY_USED_REGISTERS): Document.
1508 2001-08-01 Richard Henderson <rth@redhat.com>
1510 * read-rtl.c (read_name): Consider \r whitespace.
1512 2001-07-11 Andrew Cagney <ac131313@redhat.com>
1514 * config.gcc: Recognize powerpc-*-netbsd*.
1516 * doc/install.texi (Host/target specific installation notes for
1517 GCC): Mention powerpc-*-netbsd*.
1519 * config/rs6000/netbsd.h: New file.
1520 (STANDARD_STARTFILE_PREFIX, LINK_SHLIB_SPEC): Redefine.
1521 (LIB_DEFAULT_SPEC, STARTFILE_DEFAULT_SPEC): Redefine.
1522 (ENDFILE_DEFAULT_SPEC, LINK_START_DEFAULT_SPEC): Redefine.
1523 (LINK_OS_DEFAULT_SPEC, CPP_OS_DEFAULT_SPEC): Redefine.
1524 (TARGET_VERSION): Redefine.
1526 * config/rs6000/t-ppccomm (MULTILIB_MATCHES_SYSV): Recognize
1527 mcall-netbsd as a match for mcall-sysv.
1528 (EXTRA_MULTILIB_PARTS): Add ncrti$(objext) and ncrtn$(objext).
1529 (ncrti.S, ncrtn.S): New targets.
1530 ($(T)ncrti$(objext), $(T)ncrtn$(objext)): New targets.
1532 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Recognize
1533 "netbsd' as a V4 ABI.
1534 (ASM_SPEC): Check for -mcall-netbsd.
1535 (CC1_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC): Ditto.
1536 (CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC): Ditto.
1537 (LIB_SPEC, ENDFILE_SPEC): Ditto.
1538 (LIB_NETBSD_SPEC, STARTFILE_NETBSD_SPEC): Define.
1539 (ENDFILE_NETBSD_SPEC, LINK_START_NETBSD_SPEC): Define.
1540 (LINK_OS_NETBSD_SPEC, CPP_OS_NETBSD_SPEC): Define.
1541 (SUBTARGET_EXTRA_SPECS): Add NetBSD specs.
1543 * doc/invoke.texi (Option Summary): Add -mcall-netbsd.
1544 (RS/6000 and PowerPC Options): Mention -mcall-netbsd.
1546 2001-08-01 Mark Kettenis <kettenis@gnu.org>
1548 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
1549 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
1550 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
1551 including "unwind-pe.h".
1553 Wed Aug 1 20:01:42 CEST 2001 Jan Hubicka <jh@suse.cz>
1555 * rs6000.md (define_splits): Kill unused constraints.
1557 Wed Aug 1 20:02:12 CEST 2001 Graham Stott <grahams@redhat.com>
1558 Jan Hubicka <jh@suse.cz>
1560 * function.c (thread_prologue_and_epilogue_insns): Kill code
1561 dealing with non-existent CFG.
1563 2001-08-01 Kazu Hirata <kazu@hxi.com>
1565 * alias.c: Fix comment formatting.
1566 * bitmap.c: Likewise.
1567 * builtins.c: Likewise.
1568 * calls.c: Likewise.
1569 * c-common.c: Likewise.
1570 * c-decl.c: Likewise.
1571 * c-dump.c: Likewise.
1572 * c-lex.c: Likewise.
1573 * collect2.c: Likewise.
1574 * combine.c: Likewise.
1575 * conflict.c: Likewise.
1576 * cppfiles.c: Likewise.
1577 * cppinit.c: Likewise.
1578 * cpplex.c: Likewise.
1579 * cpplib.c: Likewise.
1580 * cppmacro.c: Likewise.
1581 * cppspec.c: Likewise.
1582 * c-pragma.c: Likewise.
1583 * crtstuff.c: Likewise.
1585 * cselib.c: Likewise.
1586 * c-semantics.c: Likewise.
1587 * c-typeck.c: Likewise.
1589 2001-08-01 H.J. Lu <hjl@gnu.org>
1591 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
1593 2001-08-01 H.J. Lu <hjl@gnu.org>
1595 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
1597 2001-08-01 Ziemowit Laski <zlaski@apple.com>
1599 * c-parse.in (OBJC_NEED_RAW_IDENTIFIER): Define macro and flag for
1600 contextualizing Objective-C class name lookup by the lexer.
1601 (typespec_reserved_nonattr): Disable ObjC class name lookup after
1603 (protocoldef): Add support for forward @protocol declarations.
1604 (yylexname): Suppress ObjC class name lookup in certain contexts;
1605 re-enable after lookup is complete.
1606 (_yylex): Re-enable ObjC class name lookup when certain
1607 punctuation marks are seen.
1609 * objc/objc-act.c (check_protocol_recursively): New function used
1610 for finding circular dependencies in protocols.
1611 (objc_declare_protocols): New function for handling forward
1612 @protocol declarations.
1613 (receiver_is_class_object): Detect the case when 'self' is used
1614 inside of a class method.
1615 (build_message_expr): Issue a warning if class method is desired
1616 but instance method is found instead.
1617 (conforms_to_protocol): Streamline.
1618 (objc_comptypes): Detect the fact that 'Bar<Foo> foo' conforms to
1619 protocol Foo, even if 'Bar foo' does not.
1620 (check_protocols): Streamline.
1621 (start_protocol): Add checks for circular and duplicate protocol
1623 (encode_aggregate_within): For typedefs of structs, encode the
1625 * objc/objc-act.h (PROTOCOL_DEFINED): New tree accessor.
1626 (objc_declare_protocols): New prototype.
1628 2001-08-01 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1630 * cpphash.h (struct cpp_reader): New members line, pseudo_newlines.
1631 * cpplex.c (handle_newline): Update prototype. Maintain logical
1633 (skip_escaped_newlines, skip_block_comment, parse_string):
1635 (_cpp_lex_token): Update, and store token position within the token.
1636 * cpplib.h (struct cpp_token): Add line and column entries.
1637 * cppmacro.c (replace_args): Position stringified tokens correctly.
1639 2001-08-01 Andreas Jaeger <aj@suse.de>
1641 * basic-block.h: Add prototype for last_loop_beg_note.
1643 2001-07-31 Alexandre Petit-Bianco <apbianco@redhat.com>
1645 * expr.c (safe_from_p): Use WITH_CLEANUP_EXPR_RTL instead of
1646 RTL_EXPR_RTL while handling WITH_CLEANUP_EXPR nodes. Fixed typo in
1648 (expand_expr): Use WITH_CLEANUP_EXPR_RTL instead of RTL_EXPR_RTL
1649 while handling WITH_CLEANUP_EXPR node. Use second operand calling
1650 expand_decl_cleanup.
1651 * tree.c (firt_rtl_op): The third operand of WITH_CLEANUP_EXPR is
1653 (simple_cst_equal): WITH_CLEANUP_EXPR node to use its second
1654 operand while calling simple_cst_equal.
1655 * tree.def (WITH_CLEANUP_EXPR): Switched operands: the second
1656 operand is the cleanup expression, the third is the RTL_EXPR.
1657 * tree.h (WITH_CLEANUP_EXPR_RTL): New macro.
1659 2001-07-31 Jeff Sturm <jsturm@one-point.com>
1661 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
1663 2001-07-31 matthew green <mrg@eterna.com.au>
1665 * config.gcc (i386-*-netbsdelf): New description.
1666 * config/i386/netbsd-elf.h: New file.
1668 2001-07-30 Geoffrey Keating <geoffk@redhat.com>
1670 * loop.c (check_dbra_loop): Use single_set to compute
1673 2001-07-31 Daniel Berlin <dan@cgsoftware.com>
1675 PowerPC reorg and support for powerpc64-*-linux*.
1677 Also fixes emitting of constants on 32 bit and 64 bit
1680 * config.gcc: powerpc64-*-linux* is a new target.
1681 Things that needed aix.h now also include xcoff.h
1683 * config/rs6000/rs6000.h: Split XCOFF specific stuff into
1685 Move AIX specific stuff into aix.h.
1686 (TARGET_AIX): Renamed to TARGET_XCOFF, since the AIX ABI is used
1687 with more than just XCOFF now.
1688 (SET_ASM_OP): Remove, now defined where needed.
1689 (FUNCTION_PROLOGUE): New macro definition.
1690 (FUNCTION_EPILOGUE): New macro definition.
1691 (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): New macro definition.
1693 * config/rs6000/xcoff.h: New file.
1695 * config/rs6000/linux64.h: New file.
1697 * config/rs6000/darwin.h: Copy needed AIX alignment definitions.
1699 2001-07-31 Alan Modra <amodra@bigpond.net.au>
1701 * rs6000.c (print_operand_address): Handle ELF syntax.
1702 (output_toc): Simplify. Use DOUBLE_INT_ASM_OP.
1703 * rs6000.md (load_toc_aix_di): Handle ELF syntax.
1704 * rs6000.h (ASM_OUTPUT_DOUBLE_INT, ASM_LONG): Use DOUBLE_INT_ASM_OP.
1706 2001-07-31 David Edelsohn <edelsohn@gnu.org>
1708 * rs6000.c (rs6000_override_options): Only disable
1709 flag_function_sections for XCOFF.
1710 (exact_log2_cint_operand): New predicate.
1711 (reg_or_{add,sub}_cint64_operand): New predicates.
1712 (add_operand): Compare CONST_INT with fewer function calls.
1713 (rs6000_emit_set_const, rs6000_emit_set_long_const): New functions.
1714 (print_operand, case 'p'): Ensure positive operand.
1715 (rs6000_emit_load_toc_table): No load_toc_v4_pic_di.
1716 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
1717 (PREDICATE_CODES): Add new predicates.
1718 * rs6000.md (addsi3): Split 32-bit constants more correctly.
1719 (divsi3, modsi3): Ensure positive power-of-2.
1720 (adddi3): Use new predicate. Split 32-bit constants more
1721 correctly. Re-arrange splitter to handle any constant.
1722 (subdi3): Use new predicate.
1723 (divdi3, moddi3): Ensure positive power-of-2.
1724 (movdi): Use rs6000_emit_set_const.
1725 (load_toc_v4_pic_di): Delete.
1727 2001-07-31 Graham Stott <grahams@redhat.com>
1729 * function.c (pad_below): Revert 2001-07-26 patch.
1731 Tue Jul 31 15:37:35 CEST 2001 Jan Hubicka <jh@suse.cz>
1733 * reg-stack (convert_regs_1): Fix best edge condition.
1735 Tue Jul 31 15:33:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1737 * jump.c (duplicate_loop_exit_test): Better test for jumps
1738 entering the loop; create loop pre_header.
1740 2001-07-31 Hartmut Penner <hpenner@de.ibm.com>
1742 * doc/install.texi: Add s390 and s390x as new targets.
1743 * doc/invoke.texi: Add documantation of S/390 and zSeries
1745 * doc/md.texi: Add documantation of S/390 and zSeries constraints.
1747 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1749 * config/m68k/m68k.md: Replace all general_operand with
1750 nonimmediate_operand for all destinations.
1751 * config/m68k/m68k.c (not_sp_operand): Likewise.
1753 Mon Jul 30 23:20:34 EDT 2001 John Wehle (john@feith.com)
1755 * flow.c (merge_blocks): Return 1 if an extra jump is inserted.
1757 2001-07-30 Richard Henderson <rth@redhat.com>
1759 * config/ia64/ia64.h (DEBUG_RANGES_SECTION): New.
1760 * config/mips/iris6.h (DEBUG_RANGES_SECTION): New.
1762 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
1764 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
1765 Add missing doc strings
1766 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise
1767 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise
1769 Mon Jul 30 22:16:08 CEST 2001 Jan Hubicka <jh@suse.cz>
1771 * i386.c (ix86_output_main_function_alignment_hack): New function.
1772 (TARGET_ASM_FUNCTION_PROLOGUE): Default to it.
1774 * flow.c (mark_dfs_back_edges): Move from loop_p ; mark back
1775 edges by EDGE_DFS_BACK flag.
1776 (dump_edge_info): Add dfs_back flag.
1777 * basic-block.h (EDGE_DFS_BACK): New constant.
1778 (mark_dfs_back_edges): Declare.
1779 * alias.c (loop_p): Remove.
1780 (mark_constant_function): Use mark_dfs_back_edges.
1782 * reg-stack.c (block_info_def): Add predecesors counter and stack_out.
1783 (reg_to_stack): Call mark_dfs_back_edges; count the predecesors.
1784 (compensate_edge): Break out from ...
1785 (convert_regs_1): ... here; do smart choosing of stack_out to copy.
1786 (convert_regs_2): Set block_done once block is really done;
1787 Do updating of the predecesors counts.
1789 * toplev.c (rest_of_compilation): Recompute block_for_insn
1790 before post-reload cfg_cleanup.
1791 * function.c (thread_prologue_epilogue_insns):
1792 Call set_block_for_new_insns when emitting prologue directly.
1794 2001-07-30 Andreas Jaeger <aj@suse.de>
1796 * jump.c: Add prototype for mark_modified_reg.
1798 * cse.c (set_live_p): Add unused attribute.
1800 * gcov.c (calculate_branch_probs): Use gcov_type to avoid
1802 (scan_for_source_files): Use long for count to avoid overflow.
1803 (output_data): Likewise.
1804 (output_data): Don't use string concatatenation to silence gcc
1807 * predict.c: Fix typos and grammar.
1809 * gcse.c (insert_insn_end_bb): Remove unused variables.
1811 Mon Jul 30 21:54:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1813 * flow.c (mark_set_1): Use REG_FREQ_FROM_BB.
1814 (attempt_auto_inc): LIkewise.
1815 (mark_used_reg): Likewise.
1816 (try_pre_increment_1): Likewise.
1817 * regclass.c (regclass): Likewise.
1818 * global.c (allocno_compare): Update comment; change scaling factor.
1819 * local-alloc.c (QTY_CMP_PRI): Likewise.
1820 * regs.h (REG_FREQ_FROM_BB): New.
1821 (REG_FREQ_MAX): Likewise.
1823 2001-07-30 H.J. Lu <hjl@gnu.org>
1825 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add
1828 2001-07-30 H.J. Lu (hjl@gnu.org)
1830 * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Defined.
1831 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
1832 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
1834 2001-07-30 Nick Clifton <nickc@cambridge.redhat.com>
1836 * config/arm/t-arm-elf (MULTILIB_EXCEPTIONS): Skip -mthumb as well
1837 as -mthumb-interwork when -mcpu=arm7 is specified.
1839 Mon Jul 30 17:44:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1841 * predict.def (noreturn, loop branch, loop exit): Mark as first
1844 Mon Jul 30 12:52:11 CEST 2001 Jan Hubicka <jh@suse.cz>
1846 * combine.c (try_combine): Avoid barrier after noop jumps.
1848 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1850 * cpphash.h (struct cpp_reader): Remove import_warning.
1851 * cpplib.c (skip_rest_of_line): Don't bother turning off
1853 (parse_include): Move include handling to...
1854 (do_include_common): ... here. Move import warning from...
1855 (do_import): ... here.
1856 (do_pragma_poison): Don't do a callback for poison identifiers.
1857 * cpplib.h (struct cpp_callbacks): Don't do poison callbacks.
1858 * cppmain.c (setup_callbacks): Similarly.
1860 Sun Jul 29 23:26:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1862 * rtlanal.c (parms_set, find_first_parameter_load): Break out from...;
1863 handle multiple sets.
1864 * except.c (sjlj_mark_call_sites): .... here.
1865 * gcse.c (insert_insn_end_bb): Use find_first_parameter_load.
1867 Sun Jul 29 21:38:45 CEST 2001 Jan Hubicka <jh@suse.cz>
1869 Suggested by Richard Henderson and Richard Kenner:
1870 * combine.c (recog_for_combine): Use the fake recog
1871 only if instruction does not match.
1872 * rtl.h (NOOP_MOVE_INSN_CODE): New.
1873 * rtlanal.c (noop_move_p): Always return 1 for NOOP_MOVE_INSN_CODE.
1875 * combine.c (try_combine): Discover noop jump as direct jump.
1877 2001-07-29 Daniel Berlin <dan@cgsoftware.com>
1879 * df.c (df_rd_global_compute): Add successors to worklist, not
1881 (df_ru_global_compute): Ditto.
1883 2001-07-27 Daniel Berlin <dan@cgsoftware.com>
1885 * regclass.c (reg_scan_mark_refs): Increment REG_N_REFS when we
1886 increment REG_N_SETS.
1888 2001-07-26 Daniel Berlin <dan@cgsoftware.com>
1890 * sbitmap.h: New prototype for sbitmap_a_xor_b.
1892 * sbitmap.c (sbitmap_a_xor_b): New function.
1893 ifdef the basic block stuff on IN_GCC.
1895 2001-07-29 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1897 * cppexp.c (parse_defined): Always record the macro name.
1898 (lex): Don't worry about identifiers, or special-case
1900 (_cpp_parse_expr): Figure out at the end of the routine
1901 whether we saw a valid !defined() expression.
1902 * cppfiles.c (stack_include_file): Update for mi_valid.
1903 (_cpp_pop_file_buffer): Similarly.
1904 * cpplex.c (_cpp_lex_token): Similarly.
1905 * cpphash.h (enum mi_state, enum mi_ind, mi_state,
1906 mi_if_not_defined, mi_lexed): Remove.
1908 * cpplib.c (do_if): Simplify.
1909 (do_endif, push_conditional, _cpp_handle_directive): Update
1910 for renaming of mi_state to mi_valid.
1912 * cpp.texi: Add index entries for digraphs, and add comment
1913 that C++ refers to them as alternative tokens.
1915 Sun Jul 29 18:59:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1917 * basic-block.h (CLEANUP_PRE_LOOP): New.
1918 * except.c (finish_eh_generation): Update call of cleanup_cfg.
1919 * sibcall.c (optimize_sibling_calls): Likewise.
1920 * toplev.c (rest_of_compilation): Likewise.
1921 * flow.c (try_forward_edges): Take argument MODE;
1922 do not forward over loop pre-headers if CLEANUP_PRE_LOOP.
1923 (try_optimize_cfg): Update call of try_forward_edges.
1925 Sun Jul 29 18:59:56 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
1926 Jan Hubicka <jh@suse.cz>
1928 * (validate_replace_rtx_1): Fix simplification of MINUS.
1930 2001-07-29 Neil Booth <neil@daikokuya.demon.co.uk>
1932 PR preprocessor/3669
1933 * cppinit.c (init_dependency_output): Turn off dump requests
1934 if sending dependencies to stdout.
1936 2001-07-28 Richard Henderson <rth@redhat.com>
1938 * flow.c (life_analysis): Elide PROP_ALLOW_CFG_CHANGES if
1941 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
1943 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
1945 2001-07-28 Kazu Hirata <kazu@hxi.com>
1947 * config/h8300/h8300.h (ENCODE_SECTION_INFO): Check to see if DECL
1948 is VAR_DECL first to prevent an ICE.
1950 2001-07-28 Richard Henderson <rth@redhat.com>
1952 * varasm.c (immed_real_const_1): Don't elide special cases for
1954 (clear_const_double_mem): Clear const_tiny_rtx too.
1956 2001-07-28 Richard Henderson <rth@redhat.com>
1958 * dwarf2out.c (dw_val_class_offset): New.
1959 (struct dw_ranges_struct, dw_ranges_ref): New.
1960 (ranges_table, ranges_table_allocated): New.
1961 (ranges_table_in_use, RANGES_TABLE_INCREMENT): New.
1962 (add_AT_offset, add_ranges, output_ranges): New.
1963 (print_die, output_die): Handle dw_val_class_offset.
1964 (attr_checksum, size_of_die, value_format): Likewise.
1965 (gen_lexical_block_die): Handle non-contiguous blocks.
1966 (gen_block_die): Likewise.
1967 (dwarf2out_finish): Add a DW_AT_entry_pc to the compilation unit
1968 if needed. Dump the ranges table.
1969 * final.c (final_start_function): Remove unnecessary notes and
1970 rebuild the block tree before numbering the blocks.
1971 * function.c (reorder_blocks_0): Walk the existing block tree
1972 to unmark all blocks.
1973 (reorder_blocks_1): Create block fragments when duplicate block
1975 (reorder_fix_fragments): New.
1976 (reorder_blocks): Call it.
1977 * tree.h (BLOCK_FRAGMENT_ORIGIN, BLOCK_FRAGMENT_CHAIN): New.
1979 2001-07-28 Richard Henderson <rth@redhat.com>
1981 * emit-rtl.c (adjust_address): Make a copy of the memory address.
1983 2001-07-28 Richard Henderson <rth@redhat.com>
1985 * flow.c (add_to_mem_set_list): New function.
1986 (init_propagate_block_info): Use it.
1987 (mark_set_1): Likewise.
1988 (insn_dead_p): Canonicalize memory address for dead store
1989 comparison. Allow wider mode stores to kill narrower mode stores.
1990 (invalidate_mems_from_autoinc): Use invalidate_mems_from_set.
1991 (invalidate_mems_from_set): Don't handle MEMs.
1993 2001-07-28 Kazu Hirata <kazu@hxi.com>
1995 * config/h8300/h8300.h: Fix formatting.
1997 Sat Jul 28 23:35:22 CEST 2001 Jan Hubicka <jh@suse.cz>
1999 * basic-block.h (EDGE_FREQUENCY): New macro.
2000 * bb-reorder (fixup_reorder_chain): Set counts and frequencies
2002 * flow.c (find_sub_basic_blocks): Likewise.
2003 (try_crossjump_to_edge): Likewise; use EDGE_FREQUENCY
2004 (redirect_edge_and_branch): Use EDGE_FREQUENCY.
2006 * predict.c (DEF_PREDICTOR): New argument FLAGS.
2007 (HITRATE): New macro.
2008 (PRED_FLAG_FIRST_MATCH): New constant.
2009 (predictor_info): New field flgags.
2010 (combine_predictions_for_insn): Use DS theory to combine
2011 probabilities; set the edge probabilities when finished.
2012 (estimate_probability): Avoid duplicated matches
2013 of LOOP_BRANCH heuristics for nested loops; update comment.
2014 * predict.def: Add flags for each prediction, set probabilities
2015 according to B&L paper.
2016 * predict.h (DEF_PREDICTOR): New argument FLAGS.
2018 * profile.c (compute_branch_probabilities): Cleanup way the edge
2019 probabilities are computed and REG_BR_PROB notes are dropped; if
2020 values does not match, emit error.
2021 (init_branch_prob): Do error instead of warning when profile driven
2022 feedback is missing or corrupt.
2024 2001-07-27 DJ Delorie <dj@redhat.com>
2026 * ifcvt.c (noce_get_alt_condition): If the condition is a compare
2027 against a constant, try to adjust the compare to have the desired
2028 constant in it so that min/max optimizations happen more often.
2030 Fri Jul 27 17:53:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2032 * flow.c (last_loop_beg_note): New function.
2033 (redirect_edge_and_branch): Use it.
2034 (split_edge): Likewise.
2036 * alias.c (loop_p): Avoid uninitialized memory access.
2038 * flow.c (try_forward_edges): Avoid accessing freed memory.
2040 * flow.c (backward_edge_of_syntactic_loop_p): Avoid uninitialized
2043 2001-07-26 Andrew Haley <aph@redhat.com>
2044 Joern Rennecke <amylaar@redhat.com>
2046 * config/sh/linux.h (CPP_DEFAULT_CPU_SPEC): New.
2047 (SUBTARGET_CPP_ENDIAN_SPEC): New.
2048 (SUBTARGET_CPP_SPEC): New.
2050 * config/sh/sh.h (SUBTARGET_CPP_ENDIAN_SPEC): New.
2051 (SUBTARGET_CPP_PTR_SPEC): New.
2052 (CPP_DEFAULT_CPU_SPEC): New.
2053 (EXTRA_SPECS): Add SUBTARGET_CPP_ENDIAN_SPEC,
2054 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
2055 (CPP_SPEC): Break out parts into SUBTARGET_CPP_ENDIAN_SPEC,
2056 SUBTARGET_CPP_PTR_SPEC, and CPP_DEFAULT_CPU_SPEC.
2057 (SUBTARGET_CPP_SPEC): Define as an empty string.
2059 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2061 * doc/install.texi (Configuration): Properly link the host
2062 specific instructions also when generating HTML.
2064 Fri Jul 27 00:33:35 EDT 2001 John Wehle (john@feith.com)
2066 * flow.c (redirect_edge_and_branch_force): Test
2067 target->global_live_at_start.
2069 2001-07-26 Richard Henderson <rth@redhat.com>
2071 * simplify-rtx.c (avoid_constant_pool_reference): Export.
2072 * rtl.h (avoid_constant_pool_reference): Declare it.
2073 * dwarf2out.c (add_location_or_const_value_attribute): Use it.
2074 (add_const_value_attribute): Use add_AT_unsigned for unsigned values.
2076 Thu Jul 26 22:30:22 CEST 2001 Jan Hubicka <jh@suse.cz>
2078 * rtl.h (cleanup_barriers): Declare.
2079 * jump.c (cleanup_barriers): New function.
2080 * toplev.c (rest_of_compilation): Call cleanup_barriers
2081 before loop optimizer and after bb_reorder.
2083 * flow.c (back_edge_of_syntactic_loop_p): New.
2084 (split_edge): Use it.
2086 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2088 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
2090 Thu Jul 26 22:22:21 2001 Denis Chertykov <denisc@overta.ru>
2092 * cse.c (cse_process_notes): Replace any registers if the address
2095 Thu Jul 26 14:04:03 EDT 2001 John Wehle (john@feith.com)
2097 * basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
2098 (PROP_FINAL): Include PROP_ALLOW_CFG_CHANGES.
2099 (propagate_block): Update prototype.
2100 * flow.c (update_life_info): Simplify the CFG and
2101 recalculate the global regs which are alive when
2102 removing dead code during a global update.
2103 (propagate_block): Return non-zero if an INSN is
2106 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2108 * Makefile.in (LIBICONV): Define.
2110 2001-07-26 Catherine Moore <clm@redhat.com>
2112 * config/v850/v850.h (ENCODE_SECTION_INFO): Change order
2113 of conditional to avoid tree checking errors.
2115 2001-07-26 Kazu Hirata <kazu@hxi.com>
2117 * regmove.c (regmove_optimize): Don't replace a reg with
2118 another reg of a different mode.
2120 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
2122 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
2123 limit length of dependancy flush list.
2124 * params.h (MAX_PENDING_LIST_LENGTH): Define.
2125 * sched-int.h (struct deps): Add pending_flush_length field.
2126 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
2127 has 1 element in it.
2128 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
2129 (sched_analyze): After a jump, if the pending memory flush list is too
2130 large, flush the pending lists.
2131 (init_deps): Initialize pending_flush_length to 0.
2132 * doc/invoke.texi (max_pending_list_length): Document parameter.
2134 2001-07-26 Neil Booth <neil@daikokuya.demon.co.uk>
2136 * toplev.c, varasm.c, final.c: Include xcoffout.h if appropriate.
2137 * dbxout.c (dbxout_global_decl): Move outside #ifdef.
2138 * Makefile.in (varasm.o, final.o, toplev.o): Update dependencies.
2140 2001-07-26 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2142 * cpphash.h (struct_lexer_state): Delete was_skipping.
2143 Move skipping here from struct cpp_reader.
2144 * cpplex.c (parse_identifier): Update.
2145 (_cpp_lex_token): Don't skip tokens in a directive.
2146 * cpplib.c (struct if_stack): Update.
2147 (start_directive, end_directive): Don't change skipping state.
2148 (_cpp_handle_directive): Update.
2149 (do_ifdef, do_ifndef, do_if, do_elif): Similarly.
2150 (do_else, do_endif): Update; only check for excess tokens if not
2151 in a skipped conditional block.
2152 (push_conditional): Update for new struct if_stack.
2154 2001-07-26 Graham Stott <grahams@redhat.com>
2156 * function.c (locate_and_pad_parm): Also pad initial offset
2157 so that the total argument size also includes the padding.
2159 2001-07-26 Graham Stott <grahams@redhat.com>
2161 * gensupport.c (alter_output_for_insn): Correct enable checking failure
2162 change XSTR to XTMPL.
2164 (process_one_cond_exec): Likewise
2166 2001-07-25 Richard Henderson <rth@redhat.com>
2168 * varasm.c (assemble_variable): Create DECL_RTL before setting
2171 Thu Jul 26 00:19:30 CEST 2001 Jan Hubicka <jh@suse.cz>
2173 * predict.c (estimate_probability): Avoid duplicated predictions.
2175 * loop.c (find_and_verify_loops): Grok multiple barriers.
2177 Wed Jul 25 18:00:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2179 * config/alpha/alpha.c (print_operand, case '/'): Don't write '/'.
2181 * dbxout.c: Consistently use putc instead of fputc.
2182 (print_wide_int): New function; call instead of direct fprintf.
2183 (dbxout_type_index): Adjust calls of CHARS to be more accurate.
2184 (dbxout_type_fields, dbxout_type_method_1): Likewise.
2185 (dbxout_type_methods, dbxout_range_type, dbxout_type): Likewise.
2186 (print_int_cst_octal): Likewise.
2187 (print_octal): Show we wrote characters.
2188 (dbxout_type): Set have_used_extensions in more places.
2190 2001-07-25 Catherine Moore <clm@redhat.com>
2192 * config/v850/v850.c (v850_va_arg): Use addr
2193 instead of valist to build incr.
2195 Wed Jul 25 22:48:59 CEST 2001 Jan Hubicka <jh@suse.cz>
2197 * flow.c (delete_dead_jumptables): New function.
2198 (life_analyzis): Call it.
2199 * bb-reorder.c (skip_insns_after_block): Handle contradictory
2202 2001-07-25 Richard Henderson <rth@redhat.com>
2204 * except.c (reachable_handlers): Handle a region being removed
2205 out from under a RESX.
2207 2001-07-25 Richard Henderson <rth@redhat.com>
2209 * config/alpha/alpha.c (alpha_emit_conditional_move): Always
2210 swap GE/GT if it is an fp comparison.
2212 2001-07-25 Andrew Haley <aph@cambridge.redhat.com>
2214 * alias.c (rtx_equal_for_memref_p): Allow strings as types in
2217 Wed Jul 25 08:25:01 2001 Jeffrey A Law (law@cygnus.com)
2219 * ssa.c (rename_insn_1): Do not wrap an assignment to a
2220 paradoxical SUBREG inside a SEQUENCE. Fix minor formatting
2223 * ssa-ccp.c (visit_expression): Handle CALL_INSNs that can
2225 (visit_expression): When attempting to simplify an expression,
2226 retrieve any modes for arguments before they are simplified
2229 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2230 Janis Johnson <janis@us.ibm.com>
2232 * stmt.c (expand_goto): A nonlocal goto can be a call too.
2233 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
2234 pointer parameters to match documented usage of nonlocal_goto.
2235 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
2236 parameters to their correct order.
2237 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
2238 parameters to their correct order.
2240 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
2242 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
2244 2001-07-25 Jan Hubicka <jh@suse.cz>
2245 Richard Henderson <rth@redhat.com>
2247 * flow.c (find_sub_basic_blocks): Fix handling of the last BB in
2249 (make_edges): New argument update_p; populate the edge cache if set.
2250 (find_basic_blocks): Update make_edges invocation.
2252 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2254 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
2256 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2258 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
2259 -Acpu and -Amachine.h.
2260 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
2261 Corrected header to say ELF not a.out.
2262 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
2263 when given -msoft-float.
2265 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2267 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
2268 extra multilib parts like arm-elf.
2269 (i960-*-coff*, i960-*-rtems): Should not use collect2.
2270 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
2271 crtfini.o as extra multilib parts.
2273 2001-07-24 Joel Sherrill <joel@OARcorp.com>
2275 * configure.in: Add rtems as a supported thread model.
2276 * gthr-rtems.h: Add missing entry point __gthread_active_p.
2277 * configure: Rebuilt.
2279 2001-07-24 Lars Brinkhoff <lars@nocrew.org>
2281 * stor-layout.c (get_mode_alignment): make it work when
2282 BITS_PER_UNIT is not a power of two.
2283 * builtins.c (get_pointer_alignment): Likewise.
2285 2001-07-24 Richard Henderson <rth@redhat.com>
2287 * simplify-rtx.c (avoid_constant_pool_reference): Coerce
2288 the retrieved constant into the expected mode.
2290 Wed Jul 25 01:41:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2292 * flow.c (try_simplify_condjump): Avoid duplicated edges.
2293 (verify_flow_info): Check for duplicated edges; clarify
2296 * flow.c (block_label): Update basic_block_for_insn.
2297 (commit_edge_insertions): Call compute_bb_for_insn.
2299 * flow.c (purge_dead_edges): Handle conditional jumps and conditional
2302 * flow.c (redirect_edge_and_branch,
2303 try_optimize_cfg): Use redirect_edge_succ_nodup
2304 (redirect_edge_succ_nodup): New.
2305 * basic_block.h (redirect_edge_succ_nodup): Declare.
2307 * toplev.c (rest_of_compilation): Rebuild CFG before cfg_cleanup
2310 Wed Jul 25 00:32:49 CEST 2001 Jan Hubicka <jh@suse.cz>
2312 * flow.c (try_forward_edges): Accept fallthru edge; Update comment.
2313 (try_crossjump_to_edge): Update commetns.
2314 (try_crossjump_bb): Likewise.
2316 2001-07-24 Richard Henderson <rth@redhat.com>
2318 * combine.c (distribute_notes): Move set of need_refresh
2319 for noop_move_p down to catch all cases.
2321 Tue Jul 24 20:32:44 CEST 2001 Jan Hubicka <jh@suse.cz>
2323 * recog.c (split_all_insns_noflow): New.
2324 * rtl.h (split_all_insns_noflow): Declare.
2325 * ia64.c (ia64_reorg): Use split_all_insns_noflow.
2326 * m68hc11.c (m68hc11_reorg): Likewise.
2327 * sh.c (machine_dependent_reorg): Likewise.
2328 * toplev.c (rest_of_compilation): Likewise for last split_all_insns
2331 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2333 * config/sh/sh.md (ashlsi3_std splitter): Split only after reload.
2334 (ashlsi3_n splitter): Likewise.
2335 (lshrsi3_n splitter): Likewise.
2337 (GOTaddr2picreg): Make const SImode.
2338 (sym_label2reg): Likewise.
2339 (symGOT2reg): Likewise.
2340 (symGOTOFF2reg) Likewise.
2342 (casesi_worker_0): Make unspec SImode.
2344 2001-07-18 Andrew Haley <aph@cambridge.redhat.com>
2346 * config/sh/sh.c (barrier_align): Check that an operand really is
2347 an insn before extracting its INSN_CODE.
2349 2001-07-24 Andrew Haley <aph@cambridge.redhat.com>
2351 * config/sh/sh.h (OVERRIDE_OPTIONS): Add braces to get rid of
2354 * config/sh/sh.h (INITIALIZE_TRAMPOLINE): Truncate operands
2355 for SImode to prevent overflow.
2357 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2359 * config/mips/irix6-libc-compat.c: New file.
2360 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
2361 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
2364 2001-07-24 lars brinkhoff <lars@nocrew.org>
2366 * rtl.texi (REG_POINTER): Document.
2367 (Machine Modes): Document BImode, OImode, PQImode, PHImode,
2368 QFmode, HFmode, TQFmode, QCmode, and HCmode.
2370 Tue Jul 24 10:49:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2372 * flow.c (delete_noop_moves): Do not confuse libcall regions.
2374 2001-07-23 Richard Henderson <rth@redhat.com>
2376 * flow.c (try_simplify_condjump): Use tidy_fallthru_edge.
2378 2001-07-23 Kazu Hirata <kazu@hxi.com>
2380 * config/h8300/h8300-protos.h: Add a prototype for
2381 general_operand_dst_push.
2382 * config/h8300/h8300.c (general_operand_dst_push): New.
2383 * config/h8300/h8300.h (OK_FOR_T): New.
2384 (EXTRA_CONSTRAINT): Use it.
2385 * config/h8300/h8300.md (movqi_push): Remove and integrate into
2386 the existing movqi pattern.
2387 (movhi_push): Likewise.
2389 * reload.c: Fix comment typos.
2391 Mon Jul 23 23:34:07 CEST 2001 Jan Hubicka <jh@suse.cz>
2393 * gcse.c (cprop_insn): Update call of cprop_cc0_jump.
2395 2001-07-23 H.J. Lu (hjl@gnu.org)
2397 * doc/extend.texi: Update __builtin_return_address and
2398 __builtin_frame_address.
2400 2001-07-23 Richard Henderson <rth@redhat.com>
2402 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
2404 * config/i386/i386.md: New setcc+movzbl peephole2.
2406 2001-07-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2408 * objc/Make-lang.in (objc-act.o): Depend on debug.h.
2409 * objc/objc-act.c: Include debug.h.
2410 (synth_module_prologue): Save and restore debug hooks too.
2412 2001-07-23 lars brinkhoff <lars@nocrew.org>
2414 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
2415 and C4X_FLOAT_FORMAT.
2416 (BOOL_TYPE_SIZE): Document.
2418 Mon Jul 23 11:54:23 2001 Clinton Popetz <cpopetz@cpopetz.com>
2420 * unroll.c (loop_iterations): Fix miscalculation of initial
2423 2001-07-13 Andrew Haley <aph@redhat.com>
2425 * doc/tm.texi (MD_CAN_REDIRECT_BRANCH): New macro.
2426 * config/sh/sh.h (MD_CAN_REDIRECT_BRANCH): New macro.
2427 * config/sh/sh.c (sh_can_redirect_branch): New function.
2428 * config/sh/sh-protos.h (sh_can_redirect_branch): Declare.
2429 * reorg.c (steal_delay_list_from_target): Use
2430 MD_CAN_REDIRECT_BRANCH to see if redirection is possible.
2432 Mon Jul 23 17:20:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2434 * flow.c (try_simplify_condjump): Unlink insn chain on
2435 fallthru edge; use can_fallthru.
2437 Mon Jul 23 16:03:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2439 * basic-block.h (find_sub_basic_block): Declare.
2440 * flow.c (make_edges): New arguments MIN and MAX;
2441 (find_sub_basic_blocks): Revamp to use make_edges
2442 and purge_dead_edges.
2443 (find_basic_blocks): Update call of find_sub_basic_block.
2445 * recog.c (split_all_insns): Always expect CFG to be consistent;
2446 call find_sub_basic_blocks in case something has changed.
2447 * toplev.c (rest_of_compilation): Always call split_all_insns once CFG
2450 * basic-block.h (delete_noop_moves): Declare.
2451 * combine.c (combine_instructions): Call it.
2452 (recog_for_combine): Tolerate noop moves
2453 (distribute_notes): Force refresh when register dies at noop move.
2454 * flow.c (delete_noop_moves): Use BB structure; delete JUMP insns
2456 (life_analysis): Update delete_noop_moves call.
2457 (set_noop_p): Move too ...
2458 * rtlanal.c (noop_move_p): ... here.
2459 * rtl.h (noop_move_p): Declare.
2461 * basic-block.h (purge_all_dead_edges, purge_dead_edges): New functions.
2462 * toplev.c (rest_of_compilation): Conditionally call purge_all_dead_edges
2464 * gcse.c (cprop_cc0_jump, cprop_insn): New argument "basic_block".
2465 (cprop_jump): Likewise; call purge_dead_edges if substitution suceeded.
2467 2001-07-23 Hans-Peter Nilsson <hp@bitrange.com>
2469 * reload.c (push_reload): Fix typo in comment.
2470 (find_reloads_address): Ditto.
2471 (reg_overlap_mentioned_for_reload_p): Ditto in head comment.
2473 2001-07-22 Richard Henderson <rth@redhat.com>
2475 * flow.c: Grammar check and clarify a lot of comments.
2476 (try_simplify_condjump): Rename variables to be clearer.
2477 (try_forward_edges): Skip complex and fallthru edges.
2478 Rearrange tests to avoid duplicate checks.
2479 (flow_find_cross_jump): Likewise.
2480 (outgoing_edges_match): Allow match if neither branch has
2481 probability data. Loosen probability match to 5%.
2482 (try_crossjump_to_edge): Hoist repeated indirection into
2484 (try_crossjump_bb): Don't check complex edges. Eliminate
2485 redundant crossjump tests.
2486 (try_optimize_cfg): Fix use of bool. Reorganize cheaper
2487 checks before more expensive checks.
2489 2001-07-22 Richard Henderson <rth@redhat.com>
2491 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
2492 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
2495 2001-07-22 Richard Henderson <rth@redhat.com>
2497 * m68k.c (const_uint32_operand): Abort if mode is <= 32 bits.
2498 (const_sint32_operand): Likewise.
2499 * m68k.md (anon mulsi pattern): Use const_int_operand not
2500 const_sint32_operand.
2501 (umulsi3_highpart): Zero extend a constant input.
2502 (smulsi3_highpart): Don't bother checking SImode constant.
2503 (const_umulsi3_highpart): Give op3 DImode.
2504 (const_smulsi3_highpart): Likewise.
2506 2001-07-22 Richard Henderson <rth@redhat.com>
2508 * flow.c (split_block): Make sure bb_note is included in the
2509 new block when splitting before a label.
2511 Sun Jul 22 23:28:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2513 * basic-block.h (redirect_edge_and_branch_force,
2514 redirect_edge_and_branch, block_label, forwarder_block_p): Declare.
2515 * flow.c (redirect_edge_and_branch_force,
2516 redirect_edge_and_branch, block_label, forwarder_block_p): Make global.
2517 (redirect_edge_and_branch_force): Fix copying of lifeness information.
2518 (block_label): Handle EXIT_BLOCK_PTR by returning NULL.
2519 * ifcvt.c (dead_or_predictable): Take BB as an new destionation
2520 instead of label; update CFG after transformation.
2521 (find_if_case_1): Update call, use redirect_edge_and_branch_force
2522 for finishing the transformation; handle even case where ELSE
2523 does not follow THEN.
2524 (find_if_case_2): Update call of dead_or_predictable; simplify
2527 * emit-rtl.c (split_branch_probability): New global variable.
2528 (try_split): Take care to set split_branch_probability and
2529 create REG_BR_PROB note for new jump insns.
2530 * md.texi (define_split): Document new feature.
2532 * i386.c (ix86_split_fp_branch): Redistribute branch probability notes.
2534 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2536 * varasm.c: Don't inlcude dbxout.h, sdbout.h or xcoffout.h.
2537 (asm_out_file): Remove redundant declaration.
2538 (assemble_asm): Remove old #if 0 block.
2539 (assemble_variable): Remove end of function; debug output is
2540 now handled with global_decl. Remove old #if 0 block. Update.
2541 Remove saved_in_section and associated no-op code.
2542 * Makefile.in (varasm.o): Correct dependencies.
2544 Sun Jul 22 17:55:11 2001 Alexandre Oliva <aoliva@redhat.com>
2546 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
2547 the definition in defaults.h.
2549 Sun Jul 22 21:31:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2551 * jump.c: Update comments.
2552 (delete_barrier_successors, delete_unreferenced_labels,
2553 delete_noop_moves, tension_vector_labels, delete_from_jump_chain,
2554 delete_labelref_insn, redirect_tablejump, jump_optimize_1,
2555 jump_optimize, jump_optimize_minimal): Kill.
2556 (rebuild_jump_labels): Move code from jump_optimize_1.
2557 (purge_line_number_notes): Likewise.
2558 (copy_loop_headers): Likewise.
2559 * reg-stack.c: Update comment.
2561 * rtl.h (jump_optimize, jump_optimize_1, JUMP_NOOP_MOVES,
2562 JUMP_AFTER_REGSCAN): Kill.
2563 * toplev.c (rest_of_compilation): Use cleanup_cfg, call
2564 purge_line_number_notes and copy_loop_headers.
2566 2001-07-22 Neil Booth <neil@daikokuya.demon.co.uk>
2567 Richard Henderson <rth@redhat.com>
2569 * dbxout.c (dbxout_global_decl): New.
2570 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2571 * sdbout.c (sdbout_finish): New.
2572 (sdbout_debug_hooks): Use it, add comments.
2573 (sdbout_global_decl): Defer initialised public vars to
2575 * varasm.c (assemble_variable): Don't output debug information
2576 for file-scope variables.
2578 2001-07-22 Richard Henderson <rth@redhat.com>
2580 * config/alpha/alpha.c (get_trap_mode_suffix): New.
2581 (get_round_mode_suffix): New.
2582 (print_operand): Use them for [/]. Remove support for [&'`()+].
2583 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Update.
2584 * config/alpha/alpha.md (attr round_suffix): New.
2585 (attr trap_suffix): New.
2586 (all insns): Set them appropriately. Use %/ instead of the
2589 2001-07-22 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2591 * dbxout.c, sdbout.c, varasm.c: Revert most recent debug patch.
2593 2001-07-22 Richard Henderson <rth@redhat.com>
2595 * regrename.c (regrename_optimize): Compute nregs for each
2596 potential target register.
2598 2001-07-21 Neil Booth <neil@daikokuya.demon.co.uk>
2599 Richard Henderson <rth@redhat.com>
2601 * dbxout.c (dbxout_global_decl): New.
2602 (xcoff_debug_hooks, dbx_debug_hooks): Use it.
2603 * sdbout.c (sdbout_finish): New.
2604 (sdbout_debug_hooks): Use it, add comments.
2605 (sdbout_global_decl): Defer initialised public vars to
2607 * varasm.c (assemble_variable): Don't output debug information
2608 for file-scope variables.
2610 2001-07-21 H.J. Lu (hjl@gnu.org)
2612 * config/mips/mips.c (mips_cpu): Moved into ...
2613 (override_options): Here.
2615 * config/mips/mips.h (mips_cpu_attr): Replace mips_cpu with
2617 (mips_cpu): Removed.
2619 2001-07-21 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2621 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
2622 ("iorqi3"): Likewise.
2623 ("xorqi3"): Likewise.
2624 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
2625 ("*subhi3_sp): Likewise.
2626 ("*subhi3"): Likewise.
2627 ("extendhisi2"): Accept D, X and Y as source operand to avoid
2630 2001-07-21 Nathan Sidwell <nathan@codesourcery.com>
2632 * doc/tm.texi: Remove DEFAULT_VTABLE_THUNKS.
2633 * config/freebsd.h: Likewise.
2634 * config/linux.h: Likewise.
2635 * config/openbsd.h: Likewise.
2636 * config/alpha/linux-elf.h: Likewise.
2637 * config/arm/linux-elf.h: Likewise.
2638 * config/d30v/d30v.h: Likewise.
2639 * config/fr30/fr30.h: Likewise.
2640 * config/ia64/aix.h: Likewise.
2641 * config/ia64/ia64.h: Likewise.
2642 * config/mips/linux.h: Likewise.
2643 * config/pj/pj.h: Likewise.
2644 * config/rs6000/linux.h: Likewise.
2645 * config/sparc/linux.h: Likewise.
2646 * config/sparc/linux64.h: Likewise.
2648 2001-07-20 Bruce Korb <bkorb@gnu.org>
2650 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
2651 because getc() and char* may disagree on signedness.
2653 2001-07-20 Richard Henderson <rth@redhat.com>
2655 * doc/rtl.texi (REG_DEAD): Update for current semantics.
2657 * flow.c (try_redirect_by_replacing_jump): Correctly compute which
2658 insns to delete in the presence of cc0 in a jump insn.
2660 Fri Jul 20 22:14:49 CEST 2001 Roman Zippel <zippel@linux-m68k.org>
2661 Jan Hubicka <jh@suse.cz>
2663 * m68k.md (zero_extend?i?i2 expander): Use gen_lowpart instead
2664 of doing the change by hand.
2666 Fri Jul 20 21:59:42 CEST 2001 Jan Hubicka <jh@suse.cz>
2668 * rtlanal.c (set_noop_p): Return true for noop jumps.
2670 * expr.c (emit_single_push_insn): Add call to push expander.
2671 * expr.h (optab_index): Add OTI_push
2672 (push_optab): New constant.
2673 * genopinit.c (optabs): Add push_optab.
2674 * optabs.c (init_optab): Init push optab.
2675 * md.texi (push??1): Document
2677 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2679 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
2680 expand to emit the pattern; put a REG_INC note for push/pop
2682 ("movdf", "movdf_internal"): Likewise.
2683 ("movsi", "movsi_internal"): Likewise.
2684 ("movsf", "movsf_internal"): Likewise.
2685 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
2687 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2689 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
2692 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
2694 * params.def: Change default max inline insns to 100.
2696 2001-07-20 Diego Novillo <dnovillo@redhat.com>
2698 * combine.c (combine_simplify_rtx): Generate a new shift operation
2699 when simplifying the first operand of a (neg (ashift)) expression.
2701 2001-07-20 Roman Lechtchinsky <rl@cs.tu-berlin.de>
2703 * regclass.c (N_REG_INTS): Use only 32 bits per element.
2705 2001-07-20 Kelley Cook <kelley.cook@home.com>
2707 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
2708 information. Move rest into ...
2709 (*-*-solaris): ... here. Eliminate redundant information and
2710 reword necessary packages section. Delete 4.x assembler bug info.
2711 (sparc-sun-*): Merge into ...
2712 (sparc-sun-sunos*): here.
2714 2001-07-20 Catherine Moore <clm@redhat.com>
2716 * config/v850/v850.md (casesi): Generate LABEL_REF
2719 Fri Jul 20 14:12:57 CEST 2001 Jan Hubicka <jh@suse.cz>
2721 * i386-protos.h (ix86_zero_extend_to_Pmode): Declare.
2722 * i386.c (ix86_zero_extend_to_Pmode): Make global.
2723 * i386.md (strclrsi expander): Use it.
2725 Fri Jul 20 13:24:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2727 * integrate.c (copy_insn_list): handle
2728 NOTE_INSN_DELETED_LABEL, as if it were CODE_LABEL.
2729 (copy_rtx_and_substitute): Likewise; behave to NOTE_INSN_DELETED_LABEL
2730 identically as to CODE_LABEL.
2732 * fold-const (fold): Convert A/B/C to A/(B*C) and
2735 * except.c (connect_post_landing_pads): Delete the RESX insns.
2737 2001-07-20 Aldy Hernandez <aldyh@redhat.com>
2739 * config/mips/mips.h (ISA_HAS_NMADD_NMSUB): New macro.
2741 * config/mips/mips.md (nmadd/nmsub): Use macro.
2743 2001-07-20 Nathan Sidwell <nathan@codesourcery.com>
2745 * cppinit.c (remove_dup_dir): Make static.
2746 (remove_dup_dirs): Make static. Only warn about preempting a
2747 system directory with a non-system directory.
2749 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2751 * ifcvt.c (noce_try_store_flag_constants): Correct order
2752 of parameters to trunc_int_for_mode.
2754 2001-07-19 Mark Mitchell <mark@codesourcery.com>
2756 * reorg.c (fill_simple_delay_slots): If an instruction might throw
2757 an exception that will be caught within this function, do not fill
2758 its delay slot with any subsequent instruction.
2760 2001-07-19 Steve Ellcey <sje@cup.hp.com>
2762 * tm.texi (POINTERS_EXTEND_UNSIGNED) Modify definition.
2763 * optabs.c (can_extend_p) Check HAVE_ptr_extend for a specialized
2764 pointer extension instruction.
2765 * combine.c (nonzero_bits,num_sign_bit_copies) Likewise.
2766 * simplify-rtx.c (simplify_unary_operation) Likewise.
2767 * explow.c (convert_memory_address) Check value of
2768 POINTERS_EXTEND_UNSIGNED to avoid some conversions when
2770 * config/ia64/t-hpux (LIBGCC, INSTALL_LIBGCC, MULTILIB_OPTIONS,
2771 MULTILIB_DIRNAMES, MULTILIB_MATCHES) Add multilib support.
2772 * config/ia64/hpux.h (CPP_SPEC, ASM_SPEC, SUBTARGET_SWITCHES)
2773 Add Multilib Support.
2774 (POINTERS_EXTEND_UNSIGNED) Define for ILP32 support.
2775 * config/ia64/ia64.h (MASK_ILP32, TARGET_ILP32, SUBTARGET_SWITCHES)
2776 Add Multilib Support.
2777 (POINTER_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE) Modify for ILP32
2779 * config/ia64/ia64.c (rtx_needs_barrier) Add support for addp4.
2780 * config/ia64/ia64.md (ptr_extend) New instruction to "swizzle"
2781 a 32 bit HP-UX pointer into a 64 bit HP-UX pointer.
2783 2001-07-19 Alexandre Oliva <aoliva@redhat.com>
2785 * simplify-rtx.c (simplify_replace_rtx): Try to obtain mode from
2786 old and new operands in `<', `3' and `b'.
2788 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2790 * Makefile.in (emit-rtl.o, c-decl.o): Depend on debug.h.
2791 (final.o): Don't depend on xcoffout.h, dbxout.h or sdbout.h.
2792 (toplev.o): Don't depend on xcoffout.h.
2793 * c-decl.c: Include debug.h
2794 (duplicate_decls): Use debug hook.
2795 * dbxout.c (dbxout_source_file, dbxout_args): Make static.
2796 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2797 (dbxout_types): Remove.
2798 * dbxout.h (dbxout_source_file, dbxout_types, dbxout_args): Remove.
2799 * debug.c (do_nothing_debug_hooks): Update.
2800 (debug_true_tree, debug_nothing_rtx): New.
2801 * debug.h (struct rtx_def): New.
2802 (struct gcc_debug_hooks): New hooks ignore_block,
2803 outlining_inline_function and label.
2804 (debug_true_tree, debug_nothing_rtx, dwarf2out_frame_init,
2805 dwarf2out_frame_finish): New.
2806 * dwarf2out.c (dwarf2out_ignore_block, dwarf2out_abstract_function):
2807 Make static, update prototype.
2808 (dwarf2_debug_hooks): Update.
2809 * dwarf2out.h (dwarf2out_ignore_block, dwarf2out_abstract_function,
2810 dwarf2out_frame_init, dwarf2out_frame_finish): Remove.
2811 * dwarfout.c (dwarf_debug_hooks): Update.
2812 * emit-rtl.c: Include debug.h.
2813 (remove_unnecessary_notes): Use debug hook.
2814 * final.c: Don't include dbxout.h, xcoffout.h or sdbout.h.
2815 (final_scan_insn): Use debug hook.
2816 * integrate.c (output_inline_function): Use debug hook.
2817 * sdbout.c (sdbout_toplevel_data, sdbout_label): Make static.
2818 (sdb_debug_hooks): Update.
2819 * sdbout.h (sdbout_label, sdbout_toplevel_data): Remove.
2820 * toplev.c: Don't include xcoffout.h.
2821 (note_outlining_of_inline_function, debug_ignore_block): Remove.
2822 * toplev.h (note_outlining_of_inline_function, debug_ignore_block):
2824 * tree.h (dwarf2out_do_frame): Remove.
2826 2001-07-19 Catherine Moore <clm@cygnus.com>
2828 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Restore.
2830 2001-07-19 Geoffrey Keating <geoffk@redhat.com>
2832 * reload1.c (eliminate_regs_in_insn): When updating a set
2833 to the frame pointer to the hardware frame pointer, perform
2834 the update always not just when REPLACE is set.
2836 * reload1.c (choose_reload_regs): Don't inherit a reload
2837 that crosses multiple registers if registers past the first
2838 don't fit in the desired class.
2840 * ifcvt.c (noce_try_store_flag_constants): Use trunc_int_for_mode
2841 when negating constants.
2843 2001-07-19 Toon Moene <toon@moene.indiv.nluug.nl>
2845 * tree.def: Document restriction on {L|R}SHIFT_EXPR's second argument.
2846 * doc/tree.texi: Ditto.
2848 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
2849 Jakub Jelinek <jakub@redhat.com>
2851 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
2852 (extract_cie_info): Handle "eh" augmentation properly,
2854 (struct frame_state, __frame_state_for): New.
2856 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2858 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
2859 HANDLE_SYSV_PRAGMA): Define.
2860 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
2862 (copy_object): Caller changed.
2864 2001-07-19 Andreas Schwab <schwab@suse.de>
2866 * configure.in (assembler dwarf2 debug_line support): Define nop
2868 * configure: Regenerated.
2870 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2872 * Makefile.in (toplev.o, dwarfout.o, final.o): Don't depend on
2874 * dbxout.c (dbxout_function): Rename dbxout_funciton_decl, move
2875 to conditionally compiled block.
2876 (dbx_debug_hooks, xcoff_debug_hooks): Update.
2877 * dbxout.h (dbxout_function): Remove.
2878 * debug.c (do_nothing_debug_hooks): Update.
2879 * debug.h (struct gcc_debug_hooks): New hooks function_decl,
2880 global_decl, deferred_inline_function.
2881 * dwarf2out.c (dwarf2_debug_hooks): Update.
2882 (dwarf2out_global_decl): New.
2883 * dwarfout.c: Don't include dwarfout.h.
2884 (dwarfout_global_decl, dwarfout_function_decl,
2885 dwarfout_deferred_inline_function): New.
2886 (dwarf_debug_hooks): Update.
2887 * dwarfout.h: Remove.
2888 * final.c: Don't include dwarfout.h.
2889 * sdbout.c (sdbout_global_decl): New.
2890 (sdbout_debug_hooks): Update.
2891 * toplev.c: Don't include dwarfout.h.
2892 (check_global_declarations, rest_of_compilation): Use new debug hooks.
2893 (note_deferral_of_defined_inline_function): Remove.
2894 * toplev.h (note_deferral_of_defined_inline_function): Remove.
2895 * ch/Makefile.in (lex.o): No dependence on dwarfout.h.
2896 * ch/lex.c: Don't include dwarfout.h.
2897 * cp/Make-lang.in (decl2.o): No dependence on dwarfout.h, dwarf2out.h.
2898 (semantics.o, optimize.o): Depend on debug.h not dwarfout.h.
2899 * cp/decl2.c: Don't include dwarfout.h and dwarf2out.h.
2900 * cp/optimize.c: Include debug.h.
2901 (maybe_clone_body): Use debug hook.
2902 * cp/semantics.c: Include debug.h.
2903 (expand_body): Use debug hook.
2904 * po/POTFILES.in: Remove dwarfout.h.
2906 2001-07-19 Neil Booth <neil@daikokuya.demon.co.uk>
2908 * c-lex.c (c_lex): Remove CPP_INT, CPP_FLOAT cases.
2909 * c-parse.in (yyerror, _yylex): Similarly.
2910 * cppexp.c (parse_number, parse_defined, lex, _cpp_parse_expr):
2911 Don't use CPP_INT, CPP_FLOAT; CPP_NUMBER is enough.
2913 * cpplib.h (CPP_INT, CPP_FLOAT): Remove.
2914 * cp/spew.c (read_token, yyerror): Remove CPP_INT, CPP_FLOAT cases.
2916 2001-07-18 Jeff Sturm <jsturm@one-point.com>
2918 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
2919 in-class declaration at -g1. Fixes c++/2814.
2921 2001-07-18 Richard Henderson <rth@redhat.com>
2923 * doc/md.texi (reload_in/out): Document restrictions in predicates
2924 and constraints for these patterns. Document empty string matching
2927 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2929 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
2931 Wed Jul 18 20:47:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2933 * cse.c: Undo my previous patch.
2935 2001-07-18 Tom Tromey <tromey@redhat.com>
2938 * configure: Rebuilt.
2939 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
2941 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
2943 Wed Jul 18 18:46:30 CEST 2001 Richard Henderson <rth@cygnus.com>
2944 Jan Hubicka <jh@suse.cz>
2946 * flow.c (redirect_edge_and_branch): Bail out on complex edges.
2947 (try_optimize_cfg): Do not remove tail recursive labels before sibcall.
2948 * jump.c (mark_jump_label): Do not forward branches.
2950 Wed Jul 18 18:35:01 CEST 2001 Jan Hubicka <jh@suse.cz>
2952 * cse.c (delete_trivially_dead_insns): Delete the libcall block
2953 when return value is unused.
2955 Wed Jul 18 18:28:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2957 * gcse.c (pre_insert_copy_insn): Call update_ld_motion_stores.
2959 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
2961 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
2962 on error. We can't blindly return the result of
2963 pthread_mutex_trylock because it returns a positive number on
2964 error, while we must return -1 on error.
2965 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
2967 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
2969 2001-07-18 Andreas Jaeger <aj@suse.de>
2971 * integrate.c (output_inline_function): Correct type of debug_hooks.
2973 2001-07-18 Toon Moene <toon@moene.indiv.nluug.nl>
2975 * combine.c (combine_simplify_rtx): DIV can be treated
2976 associatively for floats if unsafe math optimisations are enabled.
2978 2001-07-17 Richard Henderson <rth@redhat.com>
2980 * reload.c (push_secondary_reload): Accept empty-string for ALL_REGS.
2982 2001-07-17 Richard Henderson <rth@redhat.com>
2984 * calls.c (prepare_call_address): New parameter SIBCALLP. If true,
2985 don't force the function address into a register.
2986 (expand_call, emit_library_call_value_1): Update callers.
2987 * builtins.c (expand_builtin_apply): Likewise.
2988 * expr.h (prepare_call_address): Update decl.
2990 2001-07-17 Chandrakala Chavva <cchavva@redhat.com>
2992 * config.gcc: For *-*-chorusos triplet, get chorus.h file from
2994 * config/i386/chorus.h: Move up.
2995 * config/sparc/chorus.h: Likewise.
2996 * config/rs6000/chorus.h: Likewise.
2997 * config/chorus.h: Moved here.
2999 2001-07-17 Andreas Schwab <schwab@suse.de>
3001 * configure.in (assembler eh_frame optimization): Handle big
3003 * configure: Regenerated.
3005 Tue Jul 17 23:43:31 CEST 2001 Jan Hubicka <jh@suse.cz>
3007 * expr.c (epxand_expr): Convert divisions into multiplications by
3008 reciprocals if -ffast-math.
3010 2001-07-17 Neil Booth <neil@daikokuya.demon.co.uk>
3012 * dbxout.c (dbxout_really_begin_function): Rename to
3013 dbxout_begin_function.
3014 (dbx_debug_hooks, xcoff_debug_hooks): Update.
3015 (dbxout_begin_function): Remove.
3016 (dbxout_function): Update.
3017 (dbxout_source_line): Update prototype.
3018 * dbxout.h (dbxout_begin_function): Remove.
3019 * debug.c (do_nothing_debug_hooks): Update.
3020 (debug_nothing_tree): Update.
3021 (debug_nothing_charstar_rtx): Remove.
3022 * debug.h (union tree_node): Declare.
3023 (struct rtx_def): Remove.
3024 (gcc_debug_hooks): New hooks begin_prologue, end_prologue,
3025 begin_function. Change source_line prototype.
3026 (debug_nothing_tree): New.
3027 (debug_nothing_charstar_rtx): Delete.
3028 (dwarf2out_begin_prologue): Moved from ...
3030 * dwarf2out.c (dwarf2_debug_hooks): Update.
3031 (dwarf2out_begin_prologue): Update prototype. If genuine dwarf2
3032 debug info, call dwarf2out_source_line.
3033 (dwarf2out_souce_line): Update prototype.
3034 * dwarfout.c (dwarfout_begin_function): Rename dwarfout_end_prologue.
3035 Change prototype, make static.
3036 (dwarfout_source_line): Update prototype.
3037 (dwarf_debug_hooks): Update.
3038 * dwarfout.h (dwarfout_begin_function): Remove.
3039 * final.c (final_start_function, final_scan_insn): Use appropriate
3040 debug hooks, update to use notice_source_line.
3041 (output_source_line): Rename notice_source_line. Don't call the
3042 source_line debug hook.
3043 * sdbout.c (sdbout_begin_function): Rename sdbout_begin_prologue,
3044 make static, update prototype.
3045 (sdbout_mark_begin_function): Rename sdbout_begin_function, update
3047 (sdbout_end_prologue): New.
3048 (sdbout_source_line): Update prototype.
3049 (sdbout_debug_hooks): Update.
3050 (sdbout_symbol): Remove unused var.
3051 * sdbout.h (sdbout_begin_function, sdbout_mark_begin_function):
3053 * varasm.c: Include debug.h.
3054 (assemble_start_function): Use begin_function debug_hook.
3055 * xcoffout.c (xcoffout_begin_prologue): Rename xcoffout_begin_function,
3056 update with prototype.
3057 (xcoffout_source_line): Update prototype.
3058 * xcoffout.h (xcoffout_begin_prologue): Rename xcoffout_begin_function,
3060 (xcoffout_source_line): Update prototype.
3062 2001-07-17 Richard Henderson <rth@redhat.com>
3064 * c-typeck.c (build_binary_op): Do not shorten unsigned
3065 right shift after sign extension.
3067 Tue Jul 17 16:56:05 CEST 2001 Jan Hubicka <jh@suse.cz>
3069 * combine.c (combine_simplify_rtx): Attempt to simplify
3070 a*(b/c) as (a*b)/c for floats in unsafe_math mode.
3072 * simplify-rtx.c (avoid_constatn_pool_reference): New static function.
3073 (simplify_binary_operation, simplify_unary_operation,
3074 simplify_relational_operation): Use it.
3076 * combine.c (combine_simplify_rtx): Don't do associative law
3077 on divisions; allow associative law on floats.
3079 2001-07-17 H.J. Lu <hjl@gnu.org>
3080 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3082 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
3083 ASM_OUTPUT_WEAK_ALIAS are defined.
3084 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
3085 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
3087 * config/mips/iris5.h: ... here.
3088 (HANDLE_SYSV_PRAGMA): Defined as 1.
3089 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
3090 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
3093 2001-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
3095 * c-parse.in (all_prefix_attributes): New variable.
3096 (PUSH_DECLSPEC_STACK, POP_DECLSPEC_STACK): New macros.
3097 (maybe_resetattrs): New production.
3098 (c_parse_init, datadef, fndef, datadecl, setspecs, setattrs, decl,
3099 maybe_type_quals_setattrs, initdecls, notype_initdecls, initdcl,
3100 notype_initdcl, nested_function, notype_nested_function,
3101 component_decl, components, components_notype,
3102 component_declarator, component_notype_declarator,
3103 absdcl_maybe_attribute, parm, firstparm, setspecs_fp, ivar_decl,
3104 ivars, mydecl, myparm): Update. Avoid prefix attributes just
3105 after a comma being applied to more than one declarator.
3106 * doc/extend.texi (Attribute Syntax): Update. Remove
3107 documentation of bugs that are no longer present.
3109 2001-07-13 Eric Christopher <echristo@redhat.com>
3111 * config/mips/mips.h: Change TUNE_MIPS* options to use
3113 (EXTRA_SPECS): Add cc1_cpu_spec.
3114 * config/mips/mips.md (muldf3): Fix typo.
3116 2001-07-16 Richard Henderson <rth@redhat.com>
3118 * config/m68k/m68k.c: Include expr.h and reload.h.
3119 (print_operand_address) [16 bit int]: Cast INTVAL to int for %d.
3120 [general int]: Use HOST_WIDE_INT_PRINT_DEC.
3122 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3123 Richard Henderson <rth@redhat.com>
3125 * cse.c (set_live_p): Take INSN argument for cc0; update callers.
3126 (insn_live_p): Fix fall off end of function.
3127 (dead_libcall_p): Remove COUNTS argument; update callers.
3128 (delete_trivially_dead_insns): Remove unused variables.
3130 2001-07-17 Andreas Jaeger <aj@suse.de>
3132 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix output format for
3135 * lcm.c (optimize_mode_switching): Avoid warning for unused
3136 variable if !NORMAL_MODE.
3138 * flow.c (try_crossjump_to_edge): Remove unused variable.
3140 2001-07-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
3142 * inclhack.def (ultrix_atexit_param): New hack to fix ultrix 4.3
3143 atexit declaration in stdlib.h.
3145 2001-07-16 Richard Begg <Richard.Begg@colesmyer.com.au>
3147 * fixinc/inclhack.def(hpux_vsnprintf): brokenness in stdio.h
3149 Mon Jul 16 22:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3151 * basic-block.h (CLEANUP_PRE_SIBCALL): New constant.
3152 * except.c (finish_eh_generation): Update call of cleanup_cfg;
3153 do rebuild_jump_labels instead of jump_optimize
3154 * sibcall.c (optimize_sibling_and_tail_recursive_call): Likewise.
3155 * toplev.c (rest_of_compulation): Likewise for -Wreturn_type.
3156 * flow.c (try_optimize_cfg): Remove unneeded code_labels.
3158 * flow.c: Include timevar.h
3159 (find_basic_block): Push/pop timevar;
3160 (cleanup_cfg): Likewise.
3161 * timevar.def (TV_CFG, TV_CLEANUP_CFG): New.
3162 * Makefile: Add dependencies on timevar.h
3164 * integrate.c (save_for_inline): Kill all BASIC_BLOCK notes.
3165 (copy_insn_list): Avoid killing of BASIC_BLOCK notes.
3167 * rtl.h (delete_trivially_dead_insns): Add new parameter.
3168 * toplev.c (rest_of_compilation): Update calls.
3169 * cse.c (set_live_p, insn_live_p, dead_libcall_p): Break out from ...
3170 (delete_trivially_dead_insns): ... here; accept new argument
3171 preserve_basic_blocks; preserve basic blocks if set.
3173 * reg-stack.c (stack_regs_mentioned): Return 0 if
3174 stack_regs_mentioned_data is not initialized.
3175 (reg_to_stack): Make stack_regs_mentioned survive after the
3176 reg-stack is completted; do not call cleanup_cfg.
3177 * toplev.c (rest_of_compilation): Do cleanup_cfg before bb-reorder;
3178 make cleanup_cfg after bb-reorder to output to debug file.
3180 2001-07-16 Richard Henderson <rth@redhat.com>
3182 * regclass.c (init_reg_sets): Use only 32 bits per initializer
3183 from int_reg_class_contents.
3185 2001-07-16 Richard Henderson <rth@redhat.com>
3187 * hard-reg-set.h (regs_invalidated_by_call): Declare.
3188 * regclass.c (regs_invalidated_by_call): Move from cse.c.
3189 (init_reg_sets_1): Move initialization from cse_main.
3190 * cse.c (regs_invalidated_by_call): Move to regclass.c.
3191 (cse_main): Move its initialization also.
3192 * df.c (df_insn_refs_record): Use regs_invalidated_by_call.
3193 * flow.c (propagate_one_insn): Likewise.
3194 * gcse.c (compute_hash_table): Likewise.
3195 (compute_kill_rd, compute_store_table): Likewise.
3196 * sched-deps.c (sched_analyze_1): Likewise.
3198 Mon Jul 16 18:07:07 2001 J"orn Rennecke <amylaar@redhat.com>
3200 * gcse.c (pre_insert_copy_insn): Use gen_move_insn instead of
3203 2001-07-16 Steve Ellcey <sje@cup.hp.com>
3205 * dominance.c (calc_dfs_tree_nonrec): Reverse order of tests
3206 in if statement so we don't access undefined memory.
3208 2001-07-16 Daniel Berlin <dan@cgsoftware.com>
3210 * gcse.c: Update comment at top.
3211 Update comment on mem handling.
3212 mem_last_set, mem_first_set, mem_set_in_block: gone.
3213 Declaration of reg_set_info: gone.
3214 (oprs_unchanged_p): Don't use mem_*set_* anymore. They are
3215 pointless with load_killed_in_block_p (they are *more*
3216 conservative then it, not less, and less accurate).
3217 (oprs_not_set_p): Ditto.
3218 (alloc_gcse_mem): Don't allocate mem_set_in_block
3219 (free_gcse_mem): Don't free it, either.
3220 (record_last_mem_set_info): Update comment in front, remove
3221 mem_*set_* stuff. Note the reason we don't handle stores directly
3223 (compute_hash_table): Update comments to reflect reality. Remove
3224 mem_*set_* references.
3225 (reset_opr_set_tables): Remove mem_*set_* references.
3227 (mark_set): Ditto. Also remove double sets of bitmaps for REG's.
3228 (mark_clobber): Ditto (on both parts, we double set here too).
3229 (expr_killed_p): Remove mem_set_in_block test.
3230 (compute_transp): Remove mem_set_in_block test.
3232 * ssa-ccp.c: (optimize_unexecutable_edges): Add note about removal
3233 of edge, and removal of phi alternative to dump file.
3234 (ssa_ccp_substitute_constants): Add note about register now being
3235 constant, and which uses were replaced in what insns to dump file.
3237 2001-07-16 Andreas Jaeger <aj@suse.de>
3239 * gcov.c (output_data): Use HOST_WIDEST_INT_PRINT_DEC to output
3240 variables of type HOST_WIDEST_INT.
3242 * libgcc2.c (__bb_exit_func): Handle gcov_type as long long.
3243 (__bb_exit_func): Correct type of count_max to avoid overflow.
3244 (num_digits): Handle long long argument.
3246 * combine.c (gen_lowpart_for_combine): Remove unused variable.
3248 2001-07-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3250 * output.h (sdb_begin_function_line): Restore as an extern
3252 * sdbout.c (sdb_begin_function_line): Make extern.
3254 2001-07-15 Richard Henderson <rth@redhat.com>
3256 * machmode.def (Pmode): Redefine if GENERATOR_FILE.
3257 * genrecog.c (maybe_both_true_mode): New.
3258 (maybe_both_true_2): Use it.
3259 (write_switch): Don't put Pmode in a switch.
3260 * rtl.c (mode arrays): Don't explicitly size them.
3262 Sun Jul 15 14:07:36 CEST 2001 Jan Hubicka <jh@suse.cz>
3264 * toplev.c (rest_of_compilation): Fix register_life_up_to_date
3265 handling; move unconditional splitting before mode switching.
3267 * i386.md (type): Add fistp type.
3268 (i387, length_attr, scheduling definitions): Handle this type.
3269 (fix_trunc?f?i2): Revamp to use mode switching.
3270 (fix_trunct?f?i_nonmemory, fix_trunc?f?i_memory): New patterns.
3271 * i386.h (fp_cw_mode): New enum
3272 (OPTIMIZE_MODE_SWITCHING, NUM_MODES_FOR_MODE_SWITCHING, MODE_NEEDED,
3273 MODE_PRIORITY_TO_MODE, ENUM_MODE_SET): New macros.
3275 Sun Jul 15 12:53:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3277 * Makefile.in (integrate.o): Add debug.h.
3278 * integrate.c (debug.h): Add.
3279 (output_inline_function): Save, reset, and restore debug_hooks.
3281 2001-07-15 Richard Henderson <rth@redhat.com>
3283 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
3284 instead of COMPARE for the EQUIV expression.
3286 2001-07-15 Richard Henderson <rth@redhat.com>
3288 * flow.c (redirect_edge_and_branch_force): Initialize
3289 global_live_at_start and global_live_at_end.
3290 (allocate_bb_life_data): Export.
3291 * basic-block.h (allocate_bb_life_data): Declare.
3292 * toplev.c (rest_of_compilation): Call it.
3294 2001-07-15 Richard Henderson <rth@redhat.com>
3296 * config/alpha/alpha.c (alpha_tablejump_addr_vec): New.
3297 (alpha_tablejump_best_label): New.
3298 * config/alpha/alpha-protos.h: Declare them.
3299 * config/alpha/alpha.md: Use braced strings for code blocks.
3300 (tablejump_osf): Break out add with r29.
3301 (tablejump_osf_internal): Remove.
3302 (tablejump_osf_nt_internal): Rename from tablejump_nt_internal,
3303 use alpha_tablejump_addr_vec and alpha_tablejump_best_label.
3305 Sun Jul 15 00:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
3307 * loop.c (scan_loop): Add USEs inside PARALLELs into dependencies
3310 * toplev.c (rest_of_compilation): Allow new pseudoes for mode switching.
3312 * i386-protos.h (ix86_split_fp_branch): Update prototype.
3313 (ix86_fp_jump_nontrivial_p): New.
3314 * i386.md (fp_jcc_?): Update call of split_fp_branch;
3315 use ix86_fp_jump_nontrivial_p.
3316 * i386.c (ix86_fp_jump_nontrivial_p): New.
3317 (ix86_split_fp_branch): Accept code instead of rtx.
3318 (ix86_expand_compare): Expand comparison early in case
3319 doing so is resonably cheap.
3321 2001-07-15 Nick Clifton <nickc@cambridge.redhat.com>
3323 * config/rs6000/sysv4.h (CPP_ENDIAN_BIG_SPEC): Assert 'endian'
3325 (CPP_ENDIAN_LITTLE_SPEC): Assert 'endian' not 'machine'.
3326 (CPP_ENDIAN_SOLARIS_SPEC): Assert 'endian' not 'machine'.
3328 2001-07-15 Neil Booth <neil@daikokuya.demon.co.uk>
3330 * dbxout.c (dbxout_source_line): Make static, update prototype.
3331 (dbx_debug_hooks, xcoff_debug_hooks): Add new hooks.
3332 (dbxout_init, dbxout_finish, dbxout_source_line,
3333 dbxout_begin_block, dbxout_end_block): Update for new prototypes.
3334 * dbxout.h (dbxout_source_line): Delete.
3335 * debug.c (debug_nothing_file, debug_nothing_file_int,
3336 debug_nothing_file_charstar_rtx): New.
3337 (do_nothing_debug_hooks): Update.
3338 (debug_nothing_void, debug_nothing_charstar_rtx,
3339 dwarf2out_end_epilogue): New.
3340 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3341 * debug.h (struct rtx_def): Declare.
3342 (gcc_debug_hooks): New hooks source_line, end_epilogue
3344 (debug_nothing_void, debug_nothing_charstar_rtx,
3345 dwarf2out_end_epilogue): New.
3346 (debug_nothing_file_charstar, debug_nothing_file_int_int): Rename.
3347 * dwarf2out.c (dwarf2out_source_line): Make static, update prototype.
3348 (dwarf2_debug_hooks): Update.
3349 (dwarf2out_init, dwarf2out_finish, dwarf2out_source_line,
3350 dwarf2out_begin_block, dwarf2out_end_block): Update for new prototypes.
3351 * dwarf2out.h (dwarf2out_source_line): Remove.
3352 * dwarfout.c (dwarfout_end_epilogue, dwarfout_end_function):
3353 Make static, update prototype.
3354 (dwarfout_init, dwarfout_finish, dwarfout_source_line,
3355 dwarfout_begin_block, dwarfout_end_block): Update for new prototypes.
3356 (dwarf_debug_hooks): Update.
3357 * dwarfout.h (dwarfout_end_epilogue, dwarfout_source_line,
3358 dwarfout_end_function): Remove.
3359 * final.c (profile_function): Use debug hooks for ending functions
3361 (output_source_line, final_end_function): Update prototype,
3363 (final_start_function, final_scan_insn): Update.
3364 * output.h (sdb_begin_function_line): Remove.
3365 (final_end_function): Update prototype.
3366 * sdbout.c (sdb_begin_function_line): Make static.
3367 (PUT_SDB_EPILOGUE_END): Move to sdbout_end_epilogue.
3368 (sdbout_source_line): New.
3369 (sdbout_end_epilogue, sdbout_end_function): Make static, update
3371 (sdb_debug_hooks): Update.
3372 (sdbout_init, sdbout_source_line,
3373 sdbout_begin_block, sdbout_end_block): Update for new prototypes.
3374 * sdbout.h (sdbout_end_epilogue, sdbout_end_function): Remove.
3375 * toplev.c (compile_file, rest_of_compilation): Update.
3376 * tree.h (dwarf2out_end_epilogue): Move to debug.h.
3377 * xcoffout.c (xcoffout_source_line, xcoffout_begin_block,
3378 xcoffout_end_block, xcoffout_end_epilogue, xcoffout_end_function):
3379 Update for prototype changes.
3380 * xcoffout.h (xcoffout_source_line, xcoffout_begin_block,
3381 xcoffout_end_block, xcoffout_end_epilogue): Update prototypes.
3383 2001-07-15 Richard Henderson <rth@redhat.com>
3385 * config/alpha/alpha.h (TARGET_ABI_OSF): New.
3386 (TARGET_ABI_WINDOWS_NT, TARGET_ABI_OPEN_VMS): Rename; update users.
3387 * config/alpha/alpha-protos.h: Update TARGET_ABI_* users.
3388 * config/alpha/alpha.c: Likewise.
3389 * config/alpha/alpha.md: Likewise.
3390 * config/alpha/alpha32.h: Likewise.
3391 * config/alpha/vms.h: Likewise.
3394 2001-07-14 Richard Henderson <rth@redhat.com>
3396 * config/alpha/alpha.md: Use define_constants for unspec values.
3397 Substitute throughout.
3399 2001-07-14 Tim Josling <tej@melbpc.org.au>
3401 * tree.def (EXPON_EXPR) remove. Never supported anyway.
3403 2001-07-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
3405 * pa.md: Remove unused constraints from define_split's.
3407 2001-04-14 Richard Henderson <rth@redhat.com>
3409 * ifcvt.c (find_cond_trap): Test for exit block.
3411 Sun Jul 15 00:50:20 CEST 2001 Jan Hubicka <jh@suse.cz>
3413 Re-install recently reverted patch.
3414 * emit-rtl.c (try_split): Update mark_jump_label call.
3415 * flow.c (find_sub_basic_blocks): Likewise.
3416 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3418 (mark_all_labels): Kill second parameter.
3419 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3420 (rebuild_jump_labels, jump_optimize_minimal): Update call
3422 (jump_optimize_1): Kill crossjumping code.
3423 (mark_jump_label): Kill cross_jump parameter.
3424 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3425 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3426 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3428 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3430 (dump_file_info): Likewise.
3431 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3432 reorganize passes to do reg-stack first, bb-reorder second.
3433 * invoke.texi (-d letters doc): Remove the jump2 pass.
3435 2001-07-14 Richard Henderson <rth@redhat.com>
3437 * ifcvt.c (find_cond_trap): New.
3438 (find_if_header): Call it.
3439 (merge_if_block): Relax existing jump sanity check.
3440 * jump.c (jump_optimize_1): Remove conditional trap handling.
3442 2001-07-14 Alan Modra <amodra@bigpond.net.au>
3444 * config/pa/pa.c (emit_hpdiv_const): Return reg is r2 for 64-bit
3446 (insn_refs_are_delayed): Correct comment.
3447 * config/pa/pa.h (INSN_REFERENCES_ARE_DELAYED): Likewise.
3448 * config/pa/pa.md (mulsi3): If TARGET_64BIT, clobber r2
3449 instead of r31. Make associated insn !TARGET_64BIT, and
3450 provide an additional 64-bit insn that clobbers r2.
3452 (udivsi3): Likewise.
3454 (umodsi3): Likewise.
3456 Sat Jul 14 02:58:38 CEST 2001 Jan Hubicka <jh@suse.cz>
3458 * bb-reorder.c (skip_insn_after_block): Get past the line number notes.
3460 * flow.c (redirect_edge_and_branch_force, split_edge,
3461 try_crossjump_to_edge): Use set_block_for_new_insns.
3462 * bb-reorder.c (emit_jump_to_block_after): Call set_block_for_new_insns.
3464 2001-07-13 H.J. Lu (hjl@gnu.org)
3466 * config/elfos.h (UNIQUE_SECTION): Enable .bss section with
3469 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3471 Revert H.J. Lu's UNIQUE_SECTION patch of 2001-07-13.
3473 2001-07-13 Joseph S. Myers <jsm28@cam.ac.uk>
3475 * c-common.c (decl_attributes): Take a pointer to the node to
3476 which attributes are to be attached, and a flags argument.
3477 * c-common.h (enum attribute_flags): New.
3478 (decl_attributes): Update prototype.
3479 * c-decl.c (start_decl, push_parm_decl, finish_struct,
3480 finish_enum, start_function): Update calls to decl_attributes.
3481 * c-parse.in (component_declarator, component_notype_declarator,
3482 label): Update calls to decl_attributes.
3484 Fri Jul 13 23:04:00 2001 Denis Chertykov <denisc@overta.ru>
3486 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
3487 * config/avr/avr.c (legitimate_address_p): Return value changed
3488 from letter to register classes. For better debugging.
3490 2001-07-13 Kazu Hirata <kazu@hxi.com>
3492 * jump.c (reversed_comparison_code_parts): Fix comment typos.
3494 2001-07-13 H.J. Lu (hjl@gnu.org)
3496 * config/elfos.h (UNIQUE_SECTION): Enable .bss section.
3498 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
3500 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
3501 correctly for shared configurations.
3502 * config/t-libgcc-pic: New.
3503 * config/{i386,m68k,sparc}/t-openbsd: New.
3504 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
3505 Support -shared. Support debugging libraries with -g.
3506 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
3507 frame information does not emit pointer diffs.
3508 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
3511 2001-07-13 Geoffrey Keating <geoffk@redhat.com>
3513 Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
3515 2001-07-13 David Edelsohn <edelsohn@gnu.org>
3517 * combine.c (try_combine): Ensure const_int pow2 is positive.
3519 2001-07-13 Hartmut Penner <hpenner@de.ibm.com>
3521 * config.gcc: Add configuration for s/390.
3522 * config/s390/s390.c: New. Subroutines for code generation.
3523 * config/s390/s390.h: New. Definitions for s/390.
3524 * config/s390/s390-protos.h: New. Prototypes.
3525 * config/s390/linux.h: New. Definitions for linux for s/390.
3526 * config/s390/linux64.h: New. Definitions for linux for zSeries.
3527 * config/s390/t-linux: New. Makefile fragment.
3528 * config/s390/s390.md: New. Machine description for s/390 and zSeries.
3529 * config/s390/fixdfdi.h: New. Fix L_fix*di.
3531 Fri Jul 13 14:46:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3533 * emit-rtl.c (try_split): Update mark_jump_label call.
3534 * flow.c (find_sub_basic_blocks): Likewise.
3535 * jump.c (cross_jump_death_matters, find_cross_jump, do_cross_jump,
3537 (mark_all_labels): Kill second parameter.
3538 (jump_optimize, jump_optimize_1): Kill cross_jump parameter.
3539 (rebuild_jump_labels, jump_optimize_minimal): Update call
3541 (jump_optimize_1): Kill crossjumping code.
3542 (mark_jump_label): Kill cross_jump parameter.
3543 * rtl.h (mark_jump_label, jump_optimize): Update prototypes.
3544 (JUMP_CROSS_JUMP, JUMP_CROSS_JUMP_DEATH_MATTERS): Kill.
3545 * reg-stack.c (reg_to_stack): Do not rebuild if not needed; do
3547 * toplev.c (enum dump_file_index): Kill DFI_jump2; put DFI_stack before
3549 (rest_of_compilation): Update calls to jump_optimize; kill jump2 pass;
3550 reorganize passes to do reg-stack first, bb-reorder second.
3551 * invoke.texi (-d letters doc): Remove the jump2 pass.
3553 2001-07-12 Steve Ellcey <sje@cup.hp.com>
3555 * toplev.c (compile_file): Put call of ASM_FILE_START inside ifdef.
3557 Thu Jul 12 17:57:16 CEST 2001 Jan Hubicka <jh@suse.cz>
3559 * flow.c (try_optimize_cfg): Delete whole chain of trivially dead
3561 (verify_flow_info): Make diagnostics prettier.
3563 Thu Jul 12 16:48:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3565 * flow.c (find_basic_blocks_1): Do not emit NOP after call.
3567 * flow.c (outgoing_edges_match): Return early if condition reversal
3570 2001-07-06 Richard Sandiford <rsandifo@redhat.com>
3572 * config/mips/mips.c (print_operand): Extend '%D' to memory operands.
3573 (mips_move_2words): When splitting a move into two instructions,
3574 prefix the second address operand with '%D'.
3576 2001-07-12 Neil Booth <neil@daikokuya.demon.co.uk>
3578 * Makefile.in (final.o): Depend on debug.h.
3579 * dbxout.c (dbxout_begin_block, dbxout_end_block): New.
3580 (dbx_debug_hooks): Add new hooks.
3581 (xcoff_debug_hooks): New.
3582 * debug.c (debug_nothing_file_int_int): New.
3583 (do_nothing_debug_hooks): Update.
3584 * debug.h (gcc_debug_hooks): New hooks begin_block and end_block.
3585 (debug_nothing_file_int_int): New.
3586 * dwarf2out.c (dwarf2out_begin_block, dwarf2out_end_block): Make
3587 static, update prototype.
3588 (dwarf2_debug_hooks): Update.
3589 * dwarf2out.h (dwarf2out_begin_block, dwarf2out_end_block): Remove.
3590 * dwarfout.c (dwarfout_begin_block, dwarfout_end_block): Make
3591 static, update prototype.
3592 (dwarf_debug_hooks): Update.
3593 * dwarfout.h (dwarfout_begin_block, dwarfout_end_block): Remove.
3594 * final.c: Include debug.h.
3595 (final_scan_insn): Use debug hooks when beginning and ending blocks.
3596 * sdbout.c (sdbout_begin_block, sdbout_end_block): Make
3597 static, update prototype.
3598 (sdb_debug_hooks): Update.
3599 * sdbout.h (sdbout_begin_block, sdbout_end_block): Remove.
3600 * toplev.c: Distinguish between xcoff and dbx.
3602 * f/lex.c (ffelex_file_pop_, ffelex_file_push_, ffelex_hash_):
3603 Call all debug hooks, not just dwarf ones.
3605 2001-07-11 Timothy Wall <twall@redhat.com>
3607 * config.gcc: Add configuration for AIX5/IA64.
3608 * config/ia64/aix.h: New. AIX5/IA64-specific configuration.
3609 * config/ia64/crt[in].asm: New. Generic static ctor/dtor
3610 support prefix/suffix code.
3611 * config/ia64/t-aix: New. Makefile fragment.
3612 * config/ia64/unwind-aix.c: New. Unwind table entry lookup.
3614 2001-07-11 Kazu Hirata <kazu@hxi.com>
3616 * recog.c (validate_change): Fix a comment typo.
3618 2001-07-11 Neil Booth <neil@daikokuya.demon.co.uk>
3620 * Makefile.in (c-lex.o): Wrap long lines. Depend on debug.h.
3621 * c-lex.c (cb_file_change, cb_define, cb_undef): Use debug
3623 * dbxout.c (dbx_debug_hooks): Add new hooks.
3624 (dbxout_start_new_source_file): Rename dbxout_start_source_file,
3626 (dbxout_resume_previous_source_file): Rename dbxout_end_source_file,
3628 * dbxout.h (dbxout_start_new_source_file,
3629 dbxout_resume_previous_source_file): Delete.
3630 * debug.c (do_nothing_debug_hooks): Add new hooks.
3631 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3632 (debug_nothing_int_charstar, debug_nothing_int): New.
3633 * debug.h (gcc_debug_hooks): New hooks define, undef,
3634 start_source_file and end_source_file.
3635 (debug_nothing_init_finish): Rename debug_nothing_file_charstar.
3636 (debug_nothing_int_charstar, debug_nothing_int): New.
3637 * dwarf2out.c (dwarf2_debug_hooks): Add new hooks. Move into
3638 the conditionally compiled section.
3639 (dwarf2out_start_source_file, dwarf2out_end_source_file,
3640 dwarf2out_define, dwarf2out_undef): Make static.
3641 * dwarf2out.h (dwarf2out_start_source_file, dwarf2out_end_source_file,
3642 dwarf2out_define, dwarf2out_undef): Remove.
3643 * dwarfout.c (dwarf_debug_hooks): Add new hooks.
3644 (dwarfout_start_source_file, dwarfout_end_source_file,
3645 dwarfout_define, dwarfout_undef): Make static.
3646 (dwarfout_start_source_file_check,
3647 dwarfout_end_source_file_check): New.
3648 (dwarfout_define, dwarfout_finish): Update.
3649 * dwarfout.h (dwarfout_start_new_source_file,
3650 dwarfout_resume_previous_source_file, dwarfout_define,
3651 dwarfout_undef): Remove.
3652 * sdbout.c (sdb_debug_hooks): Add new hooks.
3653 (sdbout_start_new_source_file): Rename sdbout_start_source_file,
3655 (sdbout_resume_previous_source_file): Rename sdbout_end_source_file,
3656 make static, take an arg.
3657 * sdbout.h (sdbout_start_new_source_file,
3658 sdbout_resume_previous_source_file): Delete.
3659 * toplev.c (debug_start_source_file, debug_end_source_file,
3660 debug_define, debug_undef): Delete.
3661 * toplev.h (debug_start_source_file, debug_end_source_file,
3662 debug_define, debug_undef): Delete.
3664 * java/jcf-parse.c: Include debug.h.
3665 (parse_class_file): Update to use debug hooks directly.
3666 * java/Make-lang.in (jcf-parse.o): Depend on debug.h.
3668 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3670 * alias.c (set_mem_alias_set): New function.
3671 * rtl.h (set_mem_alias_set): Declare it.
3672 * builtins.c (expand_builtin_return_addr): Call it instead of
3673 using MEM_ALIAS_SET accessor.
3674 (expand_builtin_setjmp_setup, expand_builtin_longjmp): Likewise.
3675 (get_memory_rtx, expand_builtin_va_arg): Likewise.
3676 (expand_builtin_va_copy):Likewise.
3677 * caller-save.c (setup_save_areas): Likewise.
3678 * calls.c (compute_argument_addresses): Likewise.
3679 * explow.c (set_mem_attributes): Likewise.
3680 * expr.c (emit_single_push_insn, emit_push_insn): Likewise.
3681 (expand_assignment, store_constructor_field, store_field): Likewise.
3682 (expand_expr_unaligned): Likewise.
3683 * function.c (assign_stack_temp_for_type): Likewise.
3684 (put_reg_into_stack, gen_mem_addressof): Likewise.
3685 * ifcvt.c (noce_try_cmove_arith): Likewise.
3686 * reload1.c (reload, alter_reg): Likewise.
3687 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3688 (alpha_set_memflags_1, alpha_expand_unaligned_load): Likewise.
3689 (alpha_expand_unaligned_store): Likewise
3690 (alpha_expand_unaligned_load_words): Likewise.
3691 (alpha_expand_unaligned_store_words): Likewise.
3692 (alpha_expand_block_clear, alpha_expand_prologue): Likewise.
3693 (alpha_expand_epilogue): Likewise.
3694 * config/arc/arc.c (arc_setup_incoming_varargs): Likewise.
3695 * config/clipper/clipper.c (clipper_builtin_saveregs): Likewise.
3696 * config/i386/i386.c (legitimize_pic_address): Likewise.
3697 * config/i960/i960.c (setup_incoming_varargs): Likewise.
3698 * config/ia64/ia64.c (spill_restore_mem): Likewise.
3699 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Likewise.
3700 * config/m8k/m88k.c (m88k_builtin_saveregs): Likewise.
3701 * config/mips/mips.c (mips_va_arg): Likewise.
3702 * config/mn10300/mn10300.c (mn10300_builtin_saveregs): Likewise.
3703 * config/pa/pa.c (hppa_builtin_saveregs): Likewise.
3704 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
3705 (setup_incoming_varargs, rs6000_va_arg): Likewise.
3706 (rs6000_emit_eh_toc_restore, rs6000_emit_prologue): Likewise.
3707 (rs6000_emit_epilogue): Likewise.
3708 * config/sh/sh.c (sh_builtin_saveregs): Likewise.
3709 * config/sparc/sparc.c (sparc_va_arg): Likewise.
3710 * config/v850/v850.c (v850_va_arg): Likewise.
3712 Wed Jul 11 21:27:25 CEST 2001 Jan Hubicka <jh@suse.cz>
3714 * flow.c (merge_blocks_move_successor_nojumps): Do not crash
3715 when fallthru edge is present.
3716 (mege_blocks): Handle case where creation of jump insn
3719 * basic-block.h (CLEANUP_EXPENSIVE, CLEANUP_CROSSJUMP,
3720 CLEANUP_POST_REGSTACK): New constants.
3721 * except.c (finish_eh_generation): Update call of cleanup_cfg,
3722 * jump.c (rtx_renumbered_equal_p): Handle 't' fields.
3723 * output.h (cleanup_cfg): Update prototype.
3724 * reg-stack.c (reg_to_stack): Use cleanup_cfg instead of jump_optimize
3725 * sibcall.c (optimize_sibling_and_tail_recursive_call): Update
3726 cleanup_cfg call; kill missleading comment.
3727 * toplev.c (rest_of_compilation): Update all cleanup_cfg calls.
3728 * flow.c (merge_blocks, try_optimize_cfg, cleanup_cfg): Accept mode
3729 parameter; control optimizations performed using it.
3730 (flow_find_cross_jump, outgoing_edges_match, try_crossjump_to_edge,
3731 try_crossjump_bb): New functions.
3733 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3735 * pa.c (pa_output_function_prologue): Delete prototype. Make function
3737 * pa.h (ASM_OUTPUT_MI_THUNK): Rename output_function_prologue to
3738 pa_output_function_prologue.
3739 * pa-protos.h (pa_output_function_prologue): New prototype.
3741 2001-07-11 John David Anglin <dave@hiauly1.hia.nrc.ca>
3743 * stmt.c (emit_case_nodes): Widen high and low instead of new_bound
3744 and low to get correct sign extension in low+high test.
3746 2001-07-11 Janis Johnson <janis@us.ibm.com>
3748 * gcov.c (arcdata): Use gcov_type to fix branch percentage
3749 for large hit count.
3751 * profile.c (branch_prob): Fix .bbg info for computed gotos
3754 2001-07-11 Mark Mitchell <mark@codesourcery.com>
3756 * stmt.c (parse_output_constraint): New function, split out
3758 (expand_asm_operands): ... here. Use parse_output_constraint.
3759 * tree.h (parse_output_constraint): Declare it.
3761 2001-07-11 Richard Henderson <rth@redhat.com>
3763 * bitmap.c: Comment some functions; fiddle whitespace.
3764 (bitmap_free): Don't export.
3765 (bitmap_element_allocate): Use memset.
3766 * bitmap.h (bitmap_free): Don't declare.
3768 2001-07-11 Daniel Berlin <dan@cgsoftware.com>
3770 * gcse.c, lcm.c, sched-deps.c:
3771 s/free on sbitmap vectors/sbitmap_vector_free on sbitmap vectors/g
3773 * flow.c (flow_loops_find): Free dom if we found no loops, since
3774 we aren't going to save it.
3776 * lcm.c (pre_edge_rev_lcm): Free st_antin, st_antout when we are
3779 Wed Jul 11 09:00:48 2001 Jeffrey A Law (law@cygnus.com)
3781 * ssa-ccp.c (ssa_fast_dce): Free worklist when completed.
3783 Wed Jul 11 10:07:18 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3785 * dwarf2out.c (dwarf2out_init, dwarf2out_finish): Add dummy version
3786 #ifndef DWARF2_DEBUGGING_INFO.
3788 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3790 * simplify-rtx.c (simplify_gen_subreg): Return null for QUEUED rtxes.
3792 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3794 * config/mips/mips.c (gen_int_relational): Tell the caller not to
3795 reverse a branch if a NE comparison is implemented with GTU.
3797 2001-07-11 Richard Sandiford <rsandifo@redhat.com>
3798 H.J. Lu <hjl@gnu.org>
3800 * mips.md (call_internal1): Use CONSTANT_ADDRESS_P to check for
3802 (call_internal2): Likewise.
3803 (call_value_internal1): Likewise.
3804 (call_value_internal2): Likewise.
3805 (call_value_multiple_internal1): Likewise.
3806 (call_value_multiple_internal2): Likewise.
3808 2001-07-10 Kazu Hirata <kazu@hxi.com>
3810 * calls.c (emit_library_call_value_1): Fix a comment typo.
3811 * dwarf2out.c (mem_loc_descriptor): Likewise.
3812 * config/i386/i386.c (ix86_expand_aligntest): Likewise.
3814 2001-07-11 David Billinghurst <David.Billinghurst@riotinto.com>
3816 * simplify-rtx.c (simplify_subreg): Fix typo in comment
3818 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3820 * recog.c (offsettable_address_p): Handle LO_SUM case.
3821 * config/mips/mips.c (double_memory_operand): Use adjust_address_nv
3822 instead of plus_constant.
3824 2001-07-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3826 * reload1.c (merge_assigned_reloads): After a RELOAD_OTHER merge,
3827 fix setting of the reloads of that reload to RELOAD_FOR_OTHER_ADDRESS.
3829 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3831 * config/rs6000/rs6000.c (print_operand, case 'L', 'Y', 'Z'): Use
3832 adjust_address_nv instead of plus_constant.
3834 2001-07-10 Neil Booth <neil@daikokuya.demon.co.uk>
3836 * Makefile.in (toplev.o, sdbout.o, dbxout.o, dwarfout.o,
3837 dwarf2out.o): Depend on debug.h, wrap long lines.
3838 * dbxout.c: Include debug.h.
3839 (dbx_debug_hooks): New.
3840 (dbxout_init): Make static, take just 2 args.
3841 (dbxout_finish): Make static.
3842 * dbxout.h (dbxout_init, dbxout_finish): Delete.
3843 * debug.c: New file.
3844 * debug.h: New file.
3845 * dwarf2out.c: Include debug.h.
3846 (dwarf2_debug_hooks): New.
3847 (dwarf2out_init): Make static.
3848 (dwarf2out_finish): Make static, take 2 args.
3849 * dwarf2out.h (dwarf2out_init, dwarf2out_finish): Delete.
3850 * dwarfout.c: Include debug.h.
3851 (dwarf_debug_hooks): New.
3852 (dwarfout_init): Make static.
3853 (dwarfout_finish): Make static, take 2 args.
3854 * dwarfout.h (dwarfout_init, dwarfout_finish): Delete.
3855 * sdbout.c: Include debug.h.
3856 (sdb_debug_hooks): New.
3857 (sdbout_init): Make static, take 2 args.
3858 * sdbout.h (sdbout_init): Delete.
3859 * toplev.c: Include debug.h.
3861 (compile_file): Set deubg_hooks based on command line options.
3862 Use the hooks unconditionally rather than conditional compilation.
3864 Tue Jul 10 09:04:45 2001 Jeffrey A Law (law@cygnus.com)
3866 * ssa-ccp.c (first_phi_node): Remove. Replace uses with calls to
3867 first_insn_after_basic_block_note instead.
3869 * df.c (df_bb_refs_unlink): #if 0 out for now.
3871 2001-07-10 David Billinghurst <David.Billinghurst@riotinto.com
3873 * ssa.h: Add prototype for ssa_const_prop
3874 * ssa-ccp.c: Add prototype for ssa_fast_dce and mark_references
3875 (ssa_ccp_substitute_constants): Fix signed vs unsigned comparison
3876 (ssa_fast_dce): Remove unused variable
3878 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3880 * diagnostic.c (finish_diagnostic): Rename to
3881 diagnostic_finish. Make it take an 'output_buffer *'. Adjust
3884 2001-07-10 Jason Merrill <jason_merrill@redhat.com>
3886 * dwarf2out.c (dwarf2out_line): Emit -dA comment even when we have
3889 * collect2.c (main): Set COLLECT_NO_DEMANGLE for subprocesses.
3890 (dump_file): Only pad the demangled name with spaces if the
3891 mangled name was padded with spaces.
3893 2001-07-10 Bernd Schmidt <bernds@redhat.com>
3895 * bb-reorder.c (make_reorder_chain_1): Correct branch/fallthru
3898 Tue Jul 10 07:27:53 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3900 * expr.c (expand_expr, case COMPONENT_REF): Don't force using bitfield
3901 extraction if no direct load if either EXPAND_CONST_ADDRESS or
3904 * emit-rtl.c (adjust_address, adjust_address_nv): Change criteria for
3905 whether can put offset inside LO_SUM to check mode alignment, not size.
3907 2001-07-10 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3909 * doc/tm.texi (Misc): Fix thinko.
3911 2001-07-10 Jan van Male <jan.vanmale@fenk.wau.nl>
3913 * regmove.c (replace_in_call_usage): Fix warnings.
3914 * sched-deps.c (add_dependence): Fix warnings.
3915 * simplify-rtx.c (simplify_subreg): Likewise.
3916 Return NULL_RTX instead of NULL.
3918 * reg-stack.c (emit_swap_insn): Eliminate warnings.
3919 (subst_asm_stack_regs): Likewise.
3921 * combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
3924 * dwarf2out.c (output_call_frame_info): Declare i as int.
3925 (build_abbrev_table): Declare n_alloc as int.
3926 (dwarf2out_finish): Initialize die.
3927 * except.c: Declare sjlj_funcdef_number as unsigned.
3928 (connect_post_landing_pads): Declare j as unsigned.
3929 (convert_to_eh_region_ranges): Initialize call_site.
3930 (output_function_exception_table): Initialize tt_format_size.
3931 * expr.c (move_by_pieces_1): Initialize to1.
3932 (store_constructor): Initialize minelt and maxelt.
3933 * flow.c (mark_regs_live_at_end): Declare i as unsigned.
3934 * function.c (instantiate_decls): Avoid signed/unsigned warning.
3936 * c-decl.c (combine_parm_decls): Unused, remove.
3937 * c-tree.h: Remove prototype for combine_parm_decls.
3939 * reload.c (push_reload): Fix warning.
3940 (regno_clobbered_p): Likewise.
3941 * reload1.c (replace_pseudos_in_call_usage): Likewise.
3942 (reload_combine): Likewise.
3944 * bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
3945 * bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
3947 * bitmap.c (bitmap_operation): Change user.
3948 * bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
3950 2001-07-10 Eric Christopher <echristo@redhat.com>
3952 * config/mips/mips.c (override_options): Fix typo.
3954 2001-07-09 Stan Shebs <shebs@apple.com>
3956 * target.h (struct gcc_target): New fields init_builtins and
3958 * target-def.h (TARGET_INIT_BUILTINS): New macro.
3959 (TARGET_EXPAND_BUILTIN): New macro.
3960 (TARGET_INITIALIZER): Add them.
3961 * builtins.c: Include target.h.
3962 (expand_builtin): Use targetm.expand_builtin.
3963 (default_init_builtins): New function.
3964 (default_expand_builtin): New function.
3965 * expr.h (default_init_builtins): Declare.
3966 (default_expand_builtin): Declare.
3967 * c-common.c (c_common_nodes_and_builtins): Use
3968 targetm.init_builtins.
3969 * defaults.h (MD_INIT_BUILTINS): Remove.
3970 * Makefile.in (builtins.o): Depend on target.h.
3972 * config/arm/arm.c (TARGET_INIT_BUILTINS): Define.
3973 (TARGET_EXPAND_BUILTIN): Define.
3974 * config/arm/arm.h (MD_INIT_BUILTINS): Remove.
3975 (MD_EXPAND_BUILTIN): Remove.
3977 * config/c4x/c4x.c (TARGET_INIT_BUILTINS): Define.
3978 (TARGET_EXPAND_BUILTIN): Define.
3979 (c4x_init_builtins): Make endlink arg a local.
3980 (c4x_print_operand): Fix typos in adjust_address usages.
3981 * config/c4x/c4x-protos.h (c4x_init_builtins): Update decl.
3982 * config/c4x/c4x.h (MD_INIT_BUILTINS): Remove.
3983 (MD_EXPAND_BUILTIN): Remove.
3985 * config/i386/i386.c (TARGET_INIT_BUILTINS): Define.
3986 (TARGET_EXPAND_BUILTIN): Define.
3987 (ix86_init_mmx_sse_builtins): New function, was ix86_init_builtins.
3988 (ix86_init_builtins): Call new function only if TARGET_MMX.
3989 * config/i386/i386-protos.h (ix86_init_mmx_sse_builtins): Declare.
3990 * config/i386/i386.h (MD_INIT_BUILTINS): Remove.
3991 (MD_EXPAND_BUILTIN): Remove.
3993 * config/ia64/ia64.c (TARGET_INIT_BUILTINS): Define.
3994 (TARGET_EXPAND_BUILTIN): Define.
3995 * config/ia64/ia64.h (MD_INIT_BUILTINS): Remove.
3996 (MD_EXPAND_BUILTIN): Remove.
3998 * doc/tm.texi: Document these changes.
4000 2001-07-09 Diego Novillo <dnovillo@redhat.com>
4002 * basic-block.h (tree_node): Forward declare if needed.
4003 (struct basic_block_def): Add fields 'head_tree' and 'end_tree'.
4004 (BLOCK_HEAD_TREE): Define.
4005 (BLOCK_END_TREE): Define.
4006 (struct loops): Rename field 'tree' to 'tree_root'.
4007 * flow.c (entry_exit_blocks): Add initializers for 'head_tree' and
4009 (flow_loops_tree_build): Rename reference to field 'tree' to
4011 (flow_loops_level_compute): Ditto.
4012 * predict.c (estimate_bb_frequencies): Ditto.
4013 * tree.h (struct tree_common): Add field 'aux'.
4015 2001-07-09 Stan Shebs <shebs@apple.com>
4017 * config/darwin.c (darwin_encode_section_info): Don't mark any
4018 DECL_EXTERNAL node as defined.
4020 2001-07-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
4022 * pa.c (pa_init_machine_status, pa_mark_machine_status,
4023 pa_free_machine_status, hppa_init_pic_save): Delete.
4024 (hppa_pic_save_rtx): New. Use get_hard_reg_initial_val.
4025 (hppa_profile_hook): Use hppa_pic_save_rtx.
4026 * pa.h (struct machine_function, PIC_OFFSET_TABLE_SAVE_RTX,
4027 hppa_init_pic_save): Delete.
4028 (hppa_pic_save_rtx): Declare.
4029 * pa.md (call, call_value, sibcall, sibcall_value,
4030 builtin_setjmp_receiver): Use hppa_pic_save_rtx.
4032 2001-07-09 Kazu Hirata <kazu@hxi.com>
4034 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
4035 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
4037 2001-07-09 Andreas Jaeger <aj@suse.de>
4039 * output.h: Add declaration of final_forward_branch_p.
4041 * config/i386/i386.c (output_fix_trunc): Remove unused variable.
4043 * varray.c: Include errors.h for internal_error and trim_filename
4046 * Makefile.in (varray.o): Add errors.h.
4048 2001-07-09 Toon Moene <toon@moene.indiv.nluug.nl>
4050 * expr.h: Adjust prototypes for have_add2_insn, have_sub2_insn.
4051 * optabs.c (have_add2_insn): Check whether the add insn chosen
4052 really accepts the operands. (have_sub2_insn): Ditto for sub insn.
4053 * reload1.c (reload_cse_move2add): Adjust calls of have_add2_insn.
4055 Mon Jul 9 13:26:40 2001 Jeffrey A Law (law@cygnus.com)
4057 * Makefile.in (OBJS): Add ssa-ccp.o
4058 (ssa-ccp.o): Add dependencies.
4059 * toplev.c (DFI_ssa_ccp): New dump file enum.
4060 (dump_file): Add entry for dumping after SSA CCP.
4061 (flag_ssa_ccp): New flag variable.
4062 (f_options): Add -fssa-ccp.
4063 (rest_of_compilation): Run SSA CCP if requested.
4064 * timevar.def (TV_SSA_CCP): New timevar.
4065 * ssa.c (mark_phi_and_copy_regs): Handle deleted PHI nodes.
4066 * doc/gcc.texi (Passes): Add documentation for SSA CCP pass.
4067 Fix minor typo in SSA DCE documentation.
4068 * doc/invoke.texi: Add documentation for new flag -fssa-ccp.
4069 Add documentation for new dump option. Renumber dump files
4072 Mon Jul 9 21:36:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4074 * emit-rtl.c (gen_highpart_mode): New.
4075 * rtl.h (gen_highpart_mode): Declare.
4076 * sparc.md (insn splitters): Use gen_highpart_mode, whenever the
4077 operand can be VOIDmode constant.
4079 Mon Jul 9 17:23:10 CEST 2001 Jan Hubicka <jh@suse.cz>
4081 * flow.c (redirect_edge_and_branch_force): New.
4082 (can_fallthru): Ensure that basic blocks are succeeding.
4083 (try_optimize_cfg): Do not delete basic block if it is the last one.
4085 * flow.c (try_redirect_by_replacing_jump): Do not remove
4086 jumps with side effects, unlink chain on fallthru edge;
4087 set block for new jump instruction; avoid basic block to
4088 over by line number note.
4090 * flow.c (try_simplify_condjump): Verify that the condjump
4091 is not always falling trought.
4094 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4096 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4097 (try_redirect_by_replacing_jump): Update properly the count
4098 and frequency information.
4100 Mon Jul 9 06:41:07 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4102 * emit-rtl.c (adjust_address, adjust_address_nv): Handle an
4103 address that is a LO_SUM specially.
4104 * explow.c (plus_constant_wide, case LO_SUM): Deleted.
4106 * c-lang.c (start_cdtor): Remove extra parameter from start_function.
4108 * emit-rtl.c (adjust_address_nv, replace_equiv_address_nv): New fcns.
4109 (operand_subword): Use them.
4110 (change_address_1): Renamed from change_address; new arg VALIDATE.
4111 * expr.h: Reflect above changes; change_address now macro.
4112 * alias.c (canon_rtx): Use replace_equiv_address_nv instead of
4114 * cselib.c (add_mem_for_addr): Likewise.
4115 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
4116 * regmove.c (try_apply_stack_adjustment): Likewise.
4117 * reload.c (push_reload, make_memloc): Likewise.
4118 * reload1.c (eliminate_regs): Likewise.
4119 * simplify-rtx.c (simplify_replace_rtx): Likewise.
4120 * caller-save.c (setup_save_areas): Use adjust_address_nv instead of
4122 * combine.c (make_extraction, simplify_shift_const): Likewise.
4123 (gen_lowpart_for_combine): Likewise.
4124 * cse.c (gen_lowpart_if_possible): Likewise.
4125 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
4126 * expr.c (expand_expr, case COMPONENT_REF): Likewise.
4127 * optabs.c (gen_move_insn): Likewise.
4128 * reload1.c (alter_reg): Likewise.
4129 * simplify-rtx.c (simplify_subreg): Likewise.
4130 * stmt.c (expand_anon_union_decl): Likewise.
4131 * recog.c (validate_replace_rtx_1): Likewise.
4133 * Makefile.in (recog.o): Add $(EXPR_H).
4134 * explow.c (stabilize): Call replace_equiv_address.
4135 * expr.c (move_by_pieces_1, store_by_pieces_2): Likewise.
4136 * final.c (alter_subreg): OFFSET is HOST_WIDE_INT.
4138 2001-07-03 Andrew Haley <aph@redhat.com>
4140 * expmed.c (store_fixed_bit_field): Don't use a mode bigger than
4141 the mode of the memory location.
4143 2001-07-09 Bo Thorsen <bo@suse.co.uk>
4145 * config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
4147 2001-07-09 Neil Booth <neil@daikokuya.demon.co.uk>
4149 * final.c (output_addr_const): Use target opening and
4150 closing parentheses.
4151 * target-def.h: Define TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN
4152 defaults, add to TARGET_ASM_OUT.
4153 * target.h (struct gcc_target): Add open_paren and close_paren.
4154 * doc/md.texi: Update.
4155 * doc/tm.texi: Document TARGET_ASM_FUNCTION_END_PROLOGUE,
4156 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE, TARGET_ASM_OPEN_PAREN and
4157 TARGET_ASM_CLOSE_PAREN.
4158 * config/i386/i386.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4160 * config/pdp11/pdp11.c (TARGET_ASM_OPEN_PAREN, TARGET_ASM_CLOSE_PAREN):
4162 * config/1750a/1750a.h (ASM_OPEN_PAREN, ASM_CLOSE_PAREN): Remove.
4163 * config/a29k/a29k.h: Similarly.
4164 * config/alpha/alpha.h: Similarly.
4165 * config/arc/arc.h: Similarly.
4166 * config/arm/aof.h: Similarly.
4167 * config/arm/aout.h: Similarly.
4168 * config/avr/avr.h: Similarly.
4169 * config/c4x/c4x.h: Similarly.
4170 * config/clipper/clipper.h: Similarly.
4171 * config/convex/convex.h: Similarly.
4172 * config/d30v/d30v.h: Similarly.
4173 * config/dsp16xx/dsp16xx.h: Similarly.
4174 * config/elxsi/elxsi.h: Similarly.
4175 * config/fr30/fr30.h: Similarly.
4176 * config/h8300/h8300.h: Similarly.
4177 * config/i370/i370.h: Similarly.
4178 * config/i386/i386.h: Similarly.
4179 * config/i860/i860.h: Similarly.
4180 * config/i960/i960.h: Similarly.
4181 * config/ia64/ia64.h: Similarly.
4182 * config/m32r/m32r.h: Similarly.
4183 * config/m68hc11/m68hc11.h: Similarly.
4184 * config/m68k/m68k.h: Similarly.
4185 * config/m88k/m88k.h: Similarly.
4186 * config/mcore/mcore.h: Similarly.
4187 * config/mips/mips.h: Similarly.
4188 * config/mn10200/mn10200.h: Similarly.
4189 * config/mn10300/mn10300.h: Similarly.
4190 * config/ns32k/ns32k.h: Similarly.
4191 * config/pa/pa.h: Similarly.
4192 * config/pdp11/pdp11.h: Similarly.
4193 * config/pj/pj.h: Similarly.
4194 * config/romp/romp.h: Similarly.
4195 * config/rs6000/rs6000.h: Similarly.
4196 * config/sh/sh.h: Similarly.
4197 * config/sparc/sparc.h: Similarly.
4198 * config/v850/v850.h: Similarly.
4199 * config/vax/vax.h: Similarly.
4200 * config/we32k/we32k.h: Similarly.
4202 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
4204 * doc/c-tree.texi: Document representation of attributes.
4206 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4208 * doc/tm.texi: Update some places for the rename of target to
4211 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4213 * target.h (struct gcc_target): Add insert_attributes.
4214 * target-def.h (TARGET_INSERT_ATTRIBUTES): Define.
4215 (TARGET_INITIALIZER): Update.
4216 * tree.c, tree.h (default_insert_attributes): New function.
4217 Update comments on other default functions to refer to targetm,
4219 * doc/tm.texi (INSERT_ATTRIBUTES): Update to document
4220 TARGET_INSERT_ATTRIBUTES.
4221 (SET_DEFAULT_DECL_ATTRIBUTES): Remove.
4222 * c-common.c (decl_attributes): Use targetm.insert_attributes.
4223 Don't use PRAGMA_INSERT_ATTRIBUTES.
4224 * Makefile.in (c-common.o): Depend on $(TARGET_H).
4225 * c-decl.c (start_decl, start_function): Don't call
4226 SET_DEFAULT_DECL_ATTRIBUTES.
4227 * config/c4x/c4x.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4228 * config/c4x/c4x-protos.h (c4x_set_default_attributes): Don't
4230 * config/c4x/c4x.c (TARGET_INSERT_ATTRIBUTES): Define.
4231 (c4x_check_attribute): Avoid modifying attribute list itself.
4232 (c4x_set_default_attributes): Rename to c4x_insert_attributes.
4234 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Don't define.
4235 * config/sh/sh-protos.h (sh_pragma_insert_attributes): Don't
4237 * config/sh/sh.c (TARGET_INSERT_ATTRIBUTES): Define.
4238 (sh_pragma_insert_attributes): Rename to sh_insert_attributes.
4240 * config/v850/v850.h (SET_DEFAULT_DECL_ATTRIBUTES): Don't define.
4241 * config/v850/v850-protos.h (v850_set_default_decl_attr): Don't
4243 * config/v850/v850.c (TARGET_INSERT_ATTRIBUTES): Define.
4244 (v850_set_default_decl_attr): Rename to v850_insert_attributes.
4245 Adjust parameters. Make static.
4247 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
4249 * c-common.c (decl_attributes): Only take a single attributes
4251 * c-common.h (decl_attributes): Update prototype.
4252 * c-decl.c (start_decl, start_function): Only take a single
4253 attributes parameter. Update calls to decl_attributes.
4254 (finish_struct, finish_enum): Update calls to decl_attributes.
4255 (push_parm_decl): Expect unified list of attributes. Update call
4257 * c-parse.in (fndef, initdcl, notype_initdcl, nested_function,
4258 notype_nested_function, component_declarator,
4259 component_notype_declarator, label): Update calls to
4261 (absdcl_maybe_attribute, parm, firstparm, myparm): Unify attribute
4262 lists that are passed to push_parm_decl.
4263 * c-tree.h (start_function, start_decl): Update prototypes.
4264 * config/sh/sh-protos.h, config/sh/sh.c
4265 (sh_pragma_insert_attributes): Only take a single attributes
4267 * config/sh/sh.h (PRAGMA_INSERT_ATTRIBUTES): Likewise.
4268 * doc/tm.texi (INSERT_ATTRIBUTES): Update.
4269 * objc/objc-act.c (define_decl, generate_objc_symtab_decl,
4270 build_module_descriptor, generate_static_references,
4271 generate_strings, build_selector_translation_table,
4272 generate_descriptor_table, generate_protocols,
4273 generate_ivars_list, generate_dispatch_table,
4274 generate_protocol_list, generate_category,
4275 generate_shared_structures, really_start_method, add_objc_decls,
4276 generate_classref_translation_entry): Update calls to start_decl
4278 (build_tmp_function_decl, start_method_def): Unify attribute lists
4279 that are passed to push_parm_decl.
4281 2001-07-08 Neil Booth <neil@daikokuya.demon.co.uk>
4283 * final.c (no_asm_to_stream): New.
4284 (final_scan_insn): Use target structures for prologue ends
4285 and epilogue starts.
4286 * output.h (no_asm_to_stream): New.
4287 * target-def.h (TARGET_ASM_FUNCTION_END_PROLOGUE,
4288 TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): New.
4289 (TARGET_ASM_OUT): Update.
4290 * target.h (struct gcc_target): New members function_end_prologue
4291 and function_begin_epilogue.
4292 * config/1750/1750.h (ASM_OUTPUT_FUNNAM): Delete as unused.
4293 * config/alpha/alpha-protos.h (output_end_prologue): Delete.
4294 * config/alpha/alpha.c (output_end_prologue): Rename to
4295 alpha_output_function_end_prologue. Use in target struct
4297 * config/alpha/alpha.h (FUNCTION_END_PROLOGUE): Delete.
4298 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Delete.
4299 * config/ia64/ia64.c (ia64_output_end_prologue): Rename to
4300 ia64_output_function_end_prologue. Use in target struct
4302 (ia64_function_prologue, ia64_funciton_epilogue): Rename
4303 mistyped prototypes.
4304 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Delete.
4305 * config/m88k/m88k-protos.h (m88k_end_prologue, m88k_begin_epilogue):
4307 * config/m88k/m88k.c (m88k_end_prologue, m88k_begin_epilogue): Rename
4308 an use in target struct, make static.
4309 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE, FUNCTION_BEGIN_EPILOGUE):
4312 2001-07-08 Richard Henderson <rth@redhat.com>
4314 * stmt.c (emit_case_nodes): Convert modes properly in low+high test.
4316 2001-07-08 Richard Henderson <rth@redhat.com>
4318 * config/i386/i386.md: Remove constraints strings from define_split
4319 and define_peephole2 patterns.
4320 (eh_return_si, eh_return_di): Split eh_return_1 for modes.
4321 (eh_return): Use them.
4323 2001-07-08 Richard Henderson <rth@redhat.com>
4325 * doc/tm.texi (Exception Handling): New subnode of Stack and Calling.
4326 Document MD_FALLBACK_FRAME_STATE_FOR.
4328 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4330 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
4331 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
4333 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
4335 2001-07-07 Nick Clifton <nickc@cambridge.redhat.com>
4337 * config/ia64/sysv4.h (ASM_OUTPUT_LABELREF): Append # to end
4338 of the label inside NAME as opposed to just the end of NAME.
4340 2001-07-07 Neil Booth <neil@daikokuya.demon.co.uk>
4342 * config/alpha/alpha-protos.h (vms_valid_decl_attribute_p): Delete.
4343 * config/alpha/alpha.c (alpha_init_machine_status,
4344 alpha_mark_machine_status, alpha_free_machine_status): Delete.
4345 (TARGET_VALID_DECL_ATTRIBUTE): Define for VMS.
4346 (vms_valid_decl_attribute_p): Make static, conditionally compile.
4347 * config/alpha/alpha.h (VALID_MACHINE_DECL_ATTRIBUTE): Delete.
4349 2001-07-06 Stan Shebs <shebs@apple.com>
4351 * target.h (targetm): Rename global from "target", so as not to
4352 conflict with local variables.
4354 * c-typeck.c: Ditto.
4358 * cp/decl2.c: Ditto.
4359 * cp/typeck.c: Ditto.
4360 * 1750a/1750a.c: Ditto.
4361 * a29k/a29k.c: Ditto.
4365 * clipper/clipper.c: Ditto.
4366 * convex/convex.c: Ditto.
4367 * d30v/d30v.c: Ditto.
4368 * dsp16xx/dsp16xx.c: Ditto.
4369 * elxsi/elxsi.c: Ditto.
4370 * fr30/fr30.c: Ditto.
4371 * h8300/h8300.c: Ditto.
4372 * i370/i370.c: Ditto.
4373 * i386/i386.c: Ditto.
4374 * i860/i860.c: Ditto.
4375 * i960/i960.c: Ditto.
4376 * ia64/ia64.c: Ditto.
4377 * m32r/m32r.c: Ditto.
4378 * m68hc11/m68hc11.c: Ditto.
4379 * m68k/m68k.c: Ditto.
4380 * m88k/m88k.c: Ditto.
4381 * mips/mips.c: Ditto.
4382 * ns32k/ns32k.c: Ditto.
4384 * pdp11/pdp11.c: Ditto.
4385 * romp/romp.c: Ditto.
4386 * rs6000/rs6000.c: Ditto.
4388 * sparc/sparc.c: Ditto.
4390 * we32k/we32k.c: Ditto.
4391 * doc/tm.texi: Update the manual to match.
4393 2001-07-06 Richard Henderson <rth@redhat.com>
4395 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
4396 DWARF2_UNWIND_INFO not just whether it is defined.
4398 2001-07-06 Diego Novillo <dnovillo@redhat.com>
4400 * combine.c (combine_simplify_rtx): Also recompute 'mode' if the
4401 call to simplify_binary_operation returns a new pattern.
4403 2001-07-06 Roman Lechtchinsky <rl@cs.tu-berlin.de>
4405 * glimits.h (__SHRT_MAX__): New.
4406 (SHRT_MIN, USHRT_MAX): Define in terms of SHRT_MAX.
4407 (SHRT_MAX): Define in terms of __SHRT_MAX__.
4409 2001-07-06 Jan van Male <jan.vanmale@fenk.wau.nl>
4411 * alias.c (base_alias_check): Cast GET_MODE_UNIT_SIZE to int to
4414 2001-07-06 Richard Henderson <rth@redhat.com>
4416 * bitmap.c (bitmap_release_memory): Move adjacent to the
4417 allocation functions.
4418 (bitmap_first_set_bit, bitmap_last_set_bit): Streamline knowing
4419 the implementation. Binary search for the set bit.
4420 (bitmap_union_of_diff): Allocate the temporary on the stack
4421 instead of using xmalloc.
4423 2001-07-06 Richard Henderson <rth@redhat.com>
4425 * genrecog.c (validate_pattern): Warn for constraints in
4426 define_{expand,split,peephole2}. Remove strict_low_part
4427 before looking up match_dup.
4429 2001-07-06 DJ Delorie <dj@redhat.com>
4431 * doc/gcc.texi (Makefile): Rename to be a more general purpose
4432 chapter about various build hints and history. Add section
4433 talking about the various types of native and cross builds.
4435 2001-07-06 Neil Booth <neil@daikokuya.demon.co.uk>
4437 * Makefile.in (final.o): Depend on target.h.
4438 * final.c: Include target.h.
4439 (default_function_pro_epilogue): New.
4440 (final_start_function): Use target structure for function prologues.
4441 (final_end_function): Use target structure for function epilogues.
4442 * fold-const.c (real_hex_to_f): Constify s and p.
4443 * output.h (default_function_pro_epilogue): New.
4444 * real.h (real_hex_to_f): Update prototype.
4445 * target-def.h (TARGET_ASM_FUNCTION_PROLOGUE,
4446 TARGET_ASM_FUNCTION_EPILOGUE, TARGET_ASM_OUT): New.
4447 (TARGET_INITIALIZER): Update.
4448 * target.h (gcc_target): Add struct asm_out.
4449 * doc/tm.texi: Update.
4452 Update each arch to use TARGET_ASM_FUNCTION_PROLOGUE and
4453 TARGET_ASM_FUNCTION_EPILOGUE. Move macro code to functions
4454 in cpu/cpu.c, or rename old functions consistently. Take
4455 a HOST_WIDE INT not an int as the SIZE parameter. Remove now
4456 redundant macros and prototypes. Make new functions static.
4458 * 1750a/1750a.c: Similarly.
4459 * 1750a/1750a.h: Similarly.
4460 * a29k/a29k-protos.h: Similarly.
4461 * a29k/a29k.c: Similarly.
4462 * a29k/a29k.h: Similarly.
4463 * arc/arc-protos.h: Similarly.
4464 * arc/arc.c: Similarly.
4465 * arc/arc.h: Similarly.
4466 * arm/arm-protos.h: Similarly.
4467 * arm/arm.c: Similarly.
4468 * arm/arm.h: Similarly.
4469 * avr/avr-protos.h: Similarly.
4470 * avr/avr.c: Similarly.
4471 * avr/avr.h: Similarly.
4472 * clipper/clipper-protos.h: Similarly.
4473 * clipper/clipper.c: Similarly.
4474 * clipper/clipper.h: Similarly.
4475 * convex/convex.c: Similarly.
4476 * convex/convex.h: Similarly.
4477 * d30v/d30v-protos.h: Similarly.
4478 * d30v/d30v.c: Similarly.
4479 * d30v/d30v.h: Similarly.
4480 * d30v/d30v.md: Similarly.
4481 * dsp16xx/dsp16xx-protos.h: Similarly.
4482 * dsp16xx/dsp16xx.c: Similarly.
4483 * dsp16xx/dsp16xx.h: Similarly.
4484 * elxsi/elxsi.c: Similarly.
4485 * elxsi/elxsi.h: Similarly.
4486 * fr30/fr30.c: Similarly.
4487 * fr30/fr30.md: Similarly.
4488 * h8300/h8300-protos.h: Similarly.
4489 * h8300/h8300.c: Similarly.
4490 * h8300/h8300.h: Similarly.
4491 * i370/i370-protos.h: Similarly.
4492 * i370/i370.c: Similarly.
4493 * i370/i370.h: Similarly.
4494 * i386/i386.c: Similarly.
4495 * i386/osf1elf.h: Similarly.
4496 * i386/osfrose.h: Similarly.
4497 * i860/i860-protos.h: Similarly.
4498 * i860/i860.c: Similarly.
4499 * i860/i860.h: Similarly.
4500 * i960/i960-protos.h: Similarly.
4501 * i960/i960.c: Similarly.
4502 * i960/i960.h: Similarly.
4503 * ia64/ia64-protos.h: Similarly.
4504 * ia64/ia64.c: Similarly.
4505 * ia64/ia64.h: Similarly.
4506 * m32r/m32r-protos.h: Similarly.
4507 * m32r/m32r.c: Similarly.
4508 * m32r/m32r.h: Similarly.
4509 * m68hc11/m68hc11-protos.h: Similarly.
4510 * m68hc11/m68hc11.c: Similarly.
4511 * m68hc11/m68hc11.h: Similarly.
4512 * m68k/crds.h: Similarly.
4513 * m68k/dpx2.h: Similarly.
4514 * m68k/m68k-protos.h: Similarly.
4515 * m68k/m68k.c: Similarly.
4516 * m68k/m68k.h: Similarly.
4517 * m68k/news.h: Similarly.
4518 * m88k/m88k-protos.h: Similarly.
4519 * m88k/m88k.c: Similarly.
4520 * m88k/m88k.h: Similarly.
4521 * mips/mips-protos.h: Similarly.
4522 * mips/mips.c: Similarly.
4523 * mips/mips.h: Similarly.
4524 * ns32k/merlin.h: Similarly.
4525 * ns32k/ns32k.c: Similarly.
4526 * ns32k/ns32k.h: Similarly.
4527 * ns32k/tek6000.h: Similarly.
4528 * pa/pa-protos.h: Similarly.
4529 * pa/pa.c: Similarly.
4530 * pa/pa.h: Similarly.
4531 * pdp11/2bsd.h: Similarly.
4532 * pdp11/pdp11-protos.h: Similarly.
4533 * pdp11/pdp11.c: Similarly.
4534 * pdp11/pdp11.h: Similarly.
4535 * romp/romp-protos.h: Similarly.
4536 * romp/romp.c: Similarly.
4537 * romp/romp.h: Similarly.
4538 * rs6000/rs6000-protos.h: Similarly.
4539 * rs6000/rs6000.c: Similarly.
4540 * rs6000/rs6000.h: Similarly.
4541 * rs6000/sysv4.h: Similarly.
4542 * sh/sh-protos.h: Similarly.
4543 * sh/sh.c: Similarly.
4544 * sh/sh.h: Similarly.
4545 * sparc/sparc-protos.h: Similarly.
4546 * sparc/sparc.c: Similarly.
4547 * sparc/sparc.h: Similarly.
4548 * vax/vax.c: Similarly.
4549 * vax/vax.h: Similarly.
4550 * vax/vms.h: Similarly.
4551 * we32k/we32k.c: Similarly.
4552 * we32k/we32k.h: Similarly.
4554 Fri Jul 6 11:47:59 2001 Jeffrey A Law (law@cygnus.com)
4556 * basic-block.h (first_insn_after_basic_block_note): Declare.
4557 * flow.c (first_insn_after_basic_block_note): Define. Moved
4559 * ssa.c (first_insn_after_basic_block_note): Remove.
4560 * ssa-dce.c (find_inherently_necessary): Consider BARRIERs
4562 (ssa_eliminate_dead_code): Properly update the CFG and PHI
4563 nodes when we find a dead conditional branch. Insert BARRIERs
4564 after any blocks with no successors, but which do not have
4567 2001-07-06 Zack Weinberg <zackw@stanford.edu>
4569 * varray.c (varray_check_failed): Use internal_error.
4571 2001-07-05 Andrew Haley <aph@redhat.com>
4573 * Makefile.in (LIB2_DIVMOD_FUNCS): New.
4574 (LIB2FUNCS): Move divmod functions to LIB2_DIVMOD_FUNCS.
4575 * mklibgcc.in: Compile LIB2_DIVMOD_FUNCS.
4577 2001-07-02 Jason Merrill <jason_merrill@redhat.com>
4579 * dwarf2out.c (mem_loc_descriptor): Only look through a constant pool
4580 reference if the target constant is also a SYMBOL_REF.
4582 2001-07-05 Eric Christopher <echristo@redhat.com>
4584 * config/mips/mips.h (MASK_MIPS3900): Remove.
4585 (MASK_MIPS16,MASK_NO_CHECK_ZERO_DIV,MASK_CHECK_RANGE_DIV,
4586 MASK_UNINIT_CONST_IN_RODATA): Change for 3900 mask removal.
4587 (TARGET_MIPS3900): Change to use mips_arch.
4588 (TARGET_MIPS4000): New.
4589 (TARGET_MIPS4100): New.
4590 (TARGET_MIPS4300): New.
4591 (TARGET_SWITCHES): Change 3900 and 4650 options to NULL.
4592 (SUBTARGET_TARGET_OPTIONS): Add -march. Change help text
4594 (GENERATE_BRANCHLIKELY): Move TARGET_MIPS3900.
4595 (ISA_HAS_BRANCHLIKELY): To here.
4596 (CC1_CPU_SPEC): New.
4597 (CC1_SPEC): Use here. Remove 4650 and 3900 options.
4598 (mips_arch_string): Declare.
4599 (mips_arch): Declare.
4600 (TARGET_OPTIONS): Add -march and -mtune.
4602 * config/mips/mips.c (mips_arch_string): New.
4604 (override_options): Handle -march for codegen and -mtune
4605 for scheduling. Use mips_arch. Move tx39 target default here.
4606 (mips_parse_cpu): Move error message to override_options.
4608 * config/mips/r3900.h (TARGET_DEFAULT): Remove.
4610 * config/mips/mips.md: Use TARGET_MIPS4000 and TARGET_MIPS4300.
4612 * doc/invoke.texi (Option Summary): Add -march and -mtune entries.
4613 (MIPS Options): Ditto. Change mcpu entry to historical text.
4615 2001-07-05 H.J. Lu (hjl@gnu.org)
4617 * config/mips/mips.c (mips_parse_cpu): New function to parse
4620 2001-07-05 Jim Wilson <wilson@redhat.com>
4622 * config/ia64/lib1funcs.asm: Revert 2001-07-02 change.
4623 * config/ia64/t-ia64: Likewise.
4624 (LIB1ASMFUNCS): Update comment.
4626 2001-07-05 David Edelsohn <edelsohn@gnu.org>
4628 * doc/install.texi (Install GCC: Binaries): Fix typo.
4630 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4632 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
4633 reference using the stack pointer, adjust it since we push Y
4635 ("*ashrsi3"): Likewise.
4636 ("*lshrsi3"): Likewise.
4638 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4640 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
4641 when -fomit-frame-pointer is used.
4643 2001-07-05 Jeffrey Oldham <oldham@codesourcery.com>
4645 * flow.c: Reverse Jan Hubicka's patch of 02July2001.
4646 (try_redirect_by_replacing_jump): Reverse updating properly the
4647 count and frequency information. Reverse removing cc0 setter.
4648 (forwarder_block_p): Reverse fixing for fallthru blocks.
4650 2001-07-05 DJ Delorie <dj@redhat.com>
4652 * gcc.c (TARGET_OPTION_TRANSLATE_TABLE): New.
4653 (translate_options): If the above is defined, use it to map
4654 given options to new options.
4655 * doc/tm.texi: Document it.
4657 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
4658 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4660 * doc/invoke.texi (Optimize Options): Document that -fgcse may
4661 cause programs using computed gotos to run more slowly.
4663 2001-07-05 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4665 * doc/install.texi (Specific): Markup, spelling and typo fixes.
4667 Consistently require binutils 2.11.2, not prereleases.
4668 (Specific, decstation-*): Canonicalize as mips-dec-*.
4669 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
4671 (Specific, m68k-altos): Removed reference to README.altos, deleted.
4672 (Specific, mips-*): Reword MIPS C compiler requirements.
4673 (Specific, powerpc*-*-*): New, mention --with-cpu once.
4674 (Specific, sunv5): Removed, obsolete.
4676 2001-07-05 Nathan Sidwell <nathan@codesourcery.com>
4678 * dwarf2out.c (output_loc_list): Use an all ones mask for
4679 .text asm output and don't rely on long long
4680 literals. Reformat some long lines.
4682 2001-07-05 Andreas Jaeger <aj@suse.de>
4684 * doc/gcc.texi (GNU/Linux): Remove accidental re-add of GPL
4687 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4689 * dwarf2out.c (dwarf2out_define): Update comment.
4690 (dwarf2out_undef): Ditto.
4691 (dwarf2out_start_source_file): Ditto.
4692 (dwarf2out_end_source_file): Ditto.
4693 (dwarf2out_finish): Output DW_MACINFO_end_file for primary file,
4694 since we never call the start/end debug hook for the primary file.
4696 2001-07-04 Kazu Hirata <kazu@hxi.com>
4698 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
4701 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4703 * cppinit.c (remove_dup_dirs): Inform if a system include
4704 directory is being reordered.
4705 * doc/invoke.texi (Directory Options): GCC warns if you hide a
4707 * doc/cpp.texi (Search Paths): Likewise.
4708 * doc/gcc.texi (Interoperation): Remove information about
4711 2001-07-04 Nathan Sidwell <nathan@codesourcery.com>
4713 * varray.h (VARRAY_TOP_GENERIC_PTR): Remove spurious parameter.
4714 (VARRAY_TOP_CHAR_PTR): Likewise.
4716 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4718 * gcc.c (process_command): Don't assign elements of a const char*.
4720 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4722 * emit-rtl.c (change_address): Don't abort if invalid address while
4723 reload is in progress.
4725 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4727 * c-lex.c (cb_file_change): Pass line number to
4728 debug_start_source_file.
4729 (cb_undefine): Pass correct line number to debug_undef.
4731 * toplev.c (debug_start_source_file): Add line number to
4732 parameters. Pass it along to dwarf2out_start_source_file.
4733 (decode_g_option): Stop resetting debug level back to normal when
4734 we change debug formats, unless the current level is
4735 none. (Before, -g3 -gdwarf-2 would use debug level 2, rather than
4738 * toplev.h (debug_start_source_file): Add line number to
4741 * dwarf2out.h (dwarf2out_start_source_file): Add line number to
4744 * dwarf2out.c (dwarf2out_start_source_file): Add line number to
4746 Output debug_macinfo data for starting file if requested.
4747 (dwarf2out_end_source_file): Output debug_macinfo data for ending
4749 (dwarf2out_define): Output debug_macinfo data for defining a macro
4751 (dwarf2out_undef): Output debug_macinfo data for undefining a
4753 (DEBUG_MACINFO_SECTION): New. DWARF2 macro info section name.
4754 (DEBUG_MACINFO_SECTION_LABEL): New. DWARF2 macro info section label.
4755 (macinfo_section_label): New. DWARF2 macro info section label.
4756 (dwarf2out_init): If we want macro info, output the start label
4758 (dwarf2out_finish): If we want macro info, add a DW_AT_macro_info
4759 attribute to the compilation unit die pointing to the macro info.
4761 2001-07-04 Daniel Berlin <dan@cgsoftware.com>
4763 * dwarf2out.c (new_loc_list): Move to inside #ifdef
4764 DWARF2_DEBUGGING_INFO.
4765 (add_loc_descr_to_loc_list): Ditto.
4766 (output_loc_list): Ditto.
4767 Also, fix thinko in curr not being initialized.
4768 (gen_internal_sym): Ditto.
4770 Wed Jul 4 13:40:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4772 * emit-rtl.c (replace_equiv_address): New function.
4773 * expr.h (replace_equiv_address): New declaration.
4774 * explow.c (validize_mem): Call it instead of change_address and
4775 also call if -fforce-addr and address is constant.
4776 * expr.c: Replace more calls to change_address with adjust_address
4777 and/or replace_equiv_address or to validize_mem.
4778 * function.c, regmove.c, config/alpha/alpha.c: Likewise.
4779 * config/arm/arm.md, config/clipper/clipper.md: Likewise.
4780 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4781 * config/i370/i370.md, config/i860/i860.md: Likewise.
4782 * config/i960/i960.md, config/mips/mips.c: Likewise.
4783 * config/mips/mips.md, config/pa/pa.md: Likewise.
4784 * config/pdp11/pdp11.md, config/rs6000/rs6000.c: Likewise.
4785 * config/rs6000/rs6000.md, config/sh/sh.md: Likewise.
4787 2001-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4789 * bitmap.c (bitmap_union_of_diff): Don't use BITMAP_ALLOCA.
4791 * bitmap.h (BITMAP_ALLOCA): Don't pass alloca as an argument to a
4794 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
4796 * doc/include: New directory.
4797 * doc/fdl.texi: Move to doc/include/fdl.texi.
4798 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
4799 * doc/include/funding.texi, doc/include/gpl.texi: New files.
4800 * doc/gcc.texi: Use funding.texi and gpl.texi.
4801 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
4802 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
4803 Update dependencies and use -I $(docdir)/include.
4805 2001-07-04 Anthony Green <green@redhat.com>
4807 * config/v850/t-v850 (v850-c.o): Add missing dependencies.
4809 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4811 * doc/install.texi (sparc64-*-*): Remove garbage.
4813 Wed Jul 4 09:07:44 2001 Jan van Male <jan.vanmale@fenk.wau.nl>
4815 * i386.c (ix86_expand_builtin, case IX86_BUILTIN_SETPS):
4816 Fix typo in last change to use adjust_address.
4818 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4820 * doc/install.texi (Specific): Update information for *-*-solaris*.
4822 Tue Jul 3 22:33:15 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4824 * explow.c (plus_constant_wide): Reinitialize Y for restart.
4826 2001-07-03 Stan Shebs <shebs@apple.com>
4828 * config/darwin.h (SECTION_FUNCTION): Remove WAS_TEXT argument, remove
4829 case for flag_no_mach_text_sections.
4830 (EXTRA_SECTION_FUNCTIONS): Remove arg from uses of SECTION_FUNCTION.
4831 * config/darwin.c (flag_no_mach_text_sections): Remove.
4832 * config/darwin-protos.h (darwin_init_pragma): Remove decl.
4834 Tue Jul 3 15:35:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4836 * explow.c (plus_constant_wide, case PLUS): Call find_constant_term
4837 and avoid checking for constant as first operand.
4838 * recog.c (find_constant_term_loc): No longer static.
4839 (adj_offettable_operand): Delete.
4840 * rtl.h (adj_offsettable_operand): Delete declaration.
4841 (find_constant_term): Add declaration.
4842 * caller-save.c: Replace calls to adj_offsettable_operand with calls
4844 * config/arm/arm.c, config/c4x/c4x.c: Likewise.
4845 * config/clipper/clipper.md, config/h8300/h8300.c: Likewise.
4846 * config/i386/i386.c, config/i386/i386.md: Likewise.
4847 * config/i860/i860.c, config/i960/i960.c: Likewise.
4848 * config/i960/i960.md, config/m68hc11/m68hc11.c: Likewise.
4849 * config/m68k/m68k.c, config/m68k/m68k.md: Likewise.
4850 * config/m88k/m88k.md, config/mcore/mcore.c: Likewise.
4851 * config/mips/mips.c, config/mips/mips.md: Likewise.
4852 * config/mn10200/mn10200.c, config/mn10300/mn10300.c: Likewise.
4853 * config/ns32k/ns32k.c, config/ns32k/ns32k.md: Likewise.
4854 * config/pa/pa.c, config/pdp11/pdp11.c: Likewise.
4855 * config/pdp11/pdp11.md, config/sh/sh.c, config/v850/v850.c: Likewise.
4856 * config/vax/vax.md, config/ns32k/ns32k.c: Likewise.
4857 * config/ns32k/ns32k.md: Likewise.
4859 2001-07-03 Zack Weinberg <zackw@stanford.edu>
4861 * rtl.c (copy_rtx): Handle 'T' format letter.
4862 * gensupport.c (collect_insn_data): Likewise.
4863 * print-rtl.c (print_rtx): Print 'T' slots like 's'.
4865 2001-07-03 Nick Clifton <nickc@cambridge.redhat.com>
4867 * doc/invoke.texi (Directory Options): Specifiy range for <N> in
4868 -B option. Use 'dir' not 'foo' as example directory name.
4870 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4872 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
4873 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
4875 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4877 * doc/cppinternals.texi: Improve formatting and logical markup.
4879 2001-07-03 Andreas Jaeger <aj@suse.de>
4881 * Makefile.in (insn-recog.o): Add dependency on reload.h.
4883 * genrecog.c (write_header): Include reload.h for prototypes in
4886 2001-07-03 Neil Booth <neil@daikokuya.demon.co.uk>
4889 * i386/cygwin.h (VALID_MACHINE_DECL_ATTRIBUTE,
4890 VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
4891 * i386/i386-protos.h (i386_pe_valid_decl_attribute_p,
4892 i386_pe_valid_type_attribute_p): Add.
4893 * i386/i386.c (TARGET_INITIALIZER): Override for cygwin targets.
4894 * i386/winnt.c (i386_valid_decl_attribute_p): Return directly.
4896 Mon Jul 2 21:52:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4898 * explow.c (plus_constant_wide, case LO_SUM): New case.
4899 (plus_constant_for_output_wide): Delete.
4900 * rtl.h (plus_constant_for_output): Delete.
4901 * alias.c (canon_rtx, init_alias_analysis): Call plus_constant
4902 instead of plus_constant_for_output.
4903 * recog.c (offsettable_address_p, adj_offsettable_operand): Likewise.
4904 * config/darwin.c, config/arm/arm.c, config/m68k/m68k.c: Likewise.
4905 * config/m88k/m88k.c, config/mips/mips.c, config/pa/pa.c: Likewise.
4906 * config/rs6000/rs6000.c, config/sparc/sparc.c: Likewise.
4907 * config/sparc/sparc.md: Likewise.
4908 Convert some change_address calls to adjust_address.
4910 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
4912 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
4913 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
4914 documentation of -std and -Wwrite-strings.
4916 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4918 * cse.c (canon_hash): Don't register registers in very small
4919 register classes, as extending their lifetime might cause
4922 Mon Jul 2 23:14:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4924 * flow.c (try_redirect_by_replacing_jump): Remove cc0 setter.
4926 * flow.c (forwarder_block_p): Fix for fallthru blocks.
4927 (try_redirect_by_replacing_jump): Update properly the count
4928 and frequency information.
4930 Mon Jul 2 14:20:13 2001 Jeffrey A Law (law@cygnus.com)
4932 * toplev.c (dump_file_index): Move SSA dumps just after first
4934 (dump_file): Corresponding changes.
4935 (rest_of_compilation): Move SSA path to just after the first
4937 * doc/gcc.texi (Passes): Update due to movement of SSA path.
4938 * doc/invoke.texi: Update dump file #s as they were completely
4939 out of date with reality.
4941 2001-07-02 Geoffrey Keating <geoffk@redhat.com>
4943 * doc/tm.texi (Frame Layout): Document STACK_PUSH_CODE.
4945 * expr.c (emit_move_insn_1): Deal with non-default
4948 * expr.c (emit_single_push_insn): Fix warning.
4950 2001-07-02 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4952 * expr.c (emit_move_insn_1): Avoid modifying
4953 cfun->expr->x_stack_pointer when PUSH_ROUNDING is defined.
4955 Mon Jul 2 15:33:31 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4957 * emit-rtl.c (adjust_address): New function.
4958 * expr.h (adjust_address): Add declaration.
4959 * builtins.c: Replace some calls to change_address with calls to it
4961 * caller-save.c, dwarf2out.c, except.c, expmed.c, expr.c: Likewise.
4962 * function.c, config/a29k/a29k.md, config/alpha/alpha.c: Likewise.
4963 * config/arm/arm.c, config/convex/convex.c: Likewise.
4964 * config/dsp16xx/dsp16xx.md, config/fr30/fr30.c: Likewise.
4965 * config/i386/i386.c, config/i386/i386.md: Likewise.
4966 * config/ia64/ia64.c, config/ia64/ia64.md: Likewise.
4967 * config/m32r/m32r.c, config/m68k/m68k.md: Likewise.
4968 * config/m88k/m88k.c, config/mips/mips.md: Likewise.
4969 * config/ns32k/ns32k.c, config/rs6000/rs6000.c: Likewise.
4970 * config/sh/sh.c, config/sparc/sparc.md: Likewise.
4972 2001-07-02 Jim Wilson <wilson@redhat.com>
4974 * config/ia64/ia64.h: Delete obsolete lib1funcs.asm comment.
4976 2001-07-02 Steve Ellcey <sje@cup.hp.com>
4978 * config/ia64/t-ia64: Change LIB1ASMFUNCS to use single underscore.
4979 * config/ia64/lib1funcs.asm: Change macro names to match t-ia64.
4981 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4983 * cppinit.c (lang_defaults): New table.
4984 (set_lang): Just read from lang_defaults into the live options
4987 2001-07-02 Zack Weinberg <zackw@stanford.edu>
4989 * Makefile.in (doc): Depend on $(GENERATED_MANPAGES).
4990 * doc/.cvsignore: Add gcc.1, cpp.1, gcov.1.
4991 * doc/gcc.1, doc/cpp.1, doc/gcov.1: Removed.
4993 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4995 * doc/install.texi: Various spelling and markup fixes.
4996 (Installing GCC): Component specific installation instructions are
4999 Warn about removing old install dir in the presence of shared libs.
5000 (Configuration): Invoke with options target to match configure
5002 Consistently refer to gas, gld pathnames.
5003 Invert --enable-multilib documentation.
5004 Remove references to old compiler versions.
5006 Mon Jul 2 12:50:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5008 * flow.c (try_simplify_condjump): Fix typo in updating fallthru flags.
5010 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5012 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
5014 (Specific, mips*-sgi-irix5): Note IDO download.
5015 Reworded MIPS C hints.
5016 Use GNU as instead of GAS.
5018 Removed SGI Freeware reference, IRIX 6 only.
5019 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
5020 Note N64 library requirement/workaround.
5022 Complete list of structure passing bug victims.
5024 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5026 * doc/install.texi: Remove CVS Id.
5028 2001-07-02 Andreas Jaeger <aj@suse.de>
5030 * ssa-dce.c (note_inherently_necessary_set): Add unused attribute.
5031 (find_inherently_necessary): Remove unused variable.
5033 2001-07-02 Nathan Sidwell <nathan@codesourcery.com>
5035 * c-common.h (TDI_inlined): New ast dump phase.
5036 (dump_flag_name): New function.
5037 * c-dump.c (dump_files): Add inlined phase.
5038 (dump_flag_name): Define.
5039 * doc/invoke.texi (-fdump-ast-inlined): Document.
5041 Mon Jul 2 06:29:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5043 * stor-layout.c (layout_decl): Revert change to handling of alignment
5046 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5048 * c-common.c (decl_attributes, case A_MODE): Don't call layout_decl
5051 2001-07-01 Geoffrey Keating <geoffk@redhat.com>
5053 * doc/tm.texi (FUNCTION_ARG): Document that the last call
5056 2001-07-01 Nathan Sidwell <nathan@codesourcery.com>
5058 * tlink.c (recompile_files): Remove COMPILER_PATH and
5059 LIBRARY_PATH from the environment.
5061 2001-07-01 Zack Weinberg <zackw@stanford.edu>
5063 * c-common.h (enum rid): Add RID_FIRST_AT, RID_LAST_AT,
5064 RID_LAST_PQ. Move RID_FIRST_PQ down with the other FIRST/LAST
5066 (OBJC_IS_AT_KEYWORD, OBJC_IS_PQ_KEYWORD): New macros.
5068 * c-parse.in (OBJC_STRING): Kill.
5069 (objc_string): Decompose to [objc_string] '@' STRING.
5070 (reswords): Take the leading '@' off all the Objective C keywords.
5071 (objc_rid_sans_at): Kill.
5072 (init_reswords): Don't initialize it.
5073 (yylexname): Use OBJC_IS_AT_KEYWORD and OBJC_IS_PQ_KEYWORD.
5074 (_yylex): Kill reconsider label. Look ahead one token after
5075 an '@'; if we get an identifier, check whether it's an
5076 Objective C @-keyword. If so, return the keyword. Otherwise,
5077 put back the token and return the '@' as a terminal.
5079 * cpplib.c (lex_macro_node): Remove unnecessary check for
5080 leading '@' on identifier. Clarify control flow and commentary.
5082 Sun Jul 1 11:53:52 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5084 * cse.c (new_label_ref): Variable deleted.
5085 (insert): Remove set of new_label_ref.
5086 (check_for_label_ref): New function.
5087 (cse_basic_block): Don't check new_label_ref; call check_for_label_ref.
5089 See ChangeLog.5 for earlier changes.