| blob | c8f3f0aad44ea33e958b74f0eb3a8c8b37fe64a2 |
1 2001-05-05 Richard Henderson <rth@redhat.com>
3 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
5 2001-05-05 Richard Henderson <rth@redhat.com>
7 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
8 to the parent of the fixup region.
10 2001-05-05 Jakub Jelinek <jakub@redhat.com>
12 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
13 "inline" keyword.
14 * cpp.texi (__NO_INLINE): Document it.
16 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
18 * cppfiles.c (struct include_file): New member err_no.
19 (find_or_create_entry): Set it.
20 (open_file): Don't set fds to -2. Instead, use err_no to
21 remember previous errors, if any.
23 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
25 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
26 between X and Y by using sequences of xgdx and xgdy.
28 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
30 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
31 of '!' for the 'D' alternative ('!' is too strong).
32 ("*logicalsi3_silshl16"): Likewise.
33 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
34 ("movstrictsi"): Remove spurious '+'.
35 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
36 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
37 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
38 a reload to them.
40 2001-05-04 David Edelsohn <edelsohn@gnu.org>
42 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
44 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
46 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
47 into -a.
49 2000-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
51 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
52 TARGET_POWERPC64.
54 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
56 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
57 soft register, use ror instead of rol.
59 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
61 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
62 into account pre/post increment decrement for 68HC12.
63 Fix other problems in replacement and fix call to reg_mentioned_p.
65 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
67 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
68 Put the soft registers in bss for 68HC12.
69 (L_regs_d3_4): New for _.d3 and _.d4.
70 (L_regs_d5_6): Likewise.
71 (L_regs_d1_2): Likewise.
72 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
74 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
76 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
77 to the pre-processor when -fshort-double is specified.
78 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
80 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
82 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
83 (__mulsi3): Rewrite for 68HC12.
84 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
85 Mark 'x' constraint with earlyclobber to prevent a
86 RELOAD_FOR_OTHER_ADDRESS to go in it.
87 (mulhi3_m68hc12): New pattern.
88 (mulhi3_m68hc11): Rename of mulhi3.
89 (mulhi3): New expand for 68HC12 optimisation.
90 (umulhisi3, mulhisi3): New patterns for 68HC12.
92 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
94 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
95 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
96 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
98 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
100 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
101 constants cheap after reload.
102 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
103 are cheap.
104 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
105 so that gcc prefers a shift by 16.
106 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
108 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
110 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
112 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
114 * alpha.h: NULL_PTR -> NULL.
115 * arm.c: Likewise.
116 * arm.h: Likewise.
117 * avr.h: Likewise.
118 * c4x.c: Likewise.
119 * c4x.h: Likewise.
120 * i386.c: Likewise.
121 * i386.md: Likewise.
122 * i860.c: Likewise.
123 * ia64.c: Likewise.
124 * m68hc11.h: Likewise.
125 * rs6000.h: Likewise.
126 * sh.c: Likewise.
127 * sh.h: Likewise.
128 * sparc.h: Likewise.
129 * v850.c: Likewise.
131 * expr.c: Likewise.
132 * final.c: Likewise.
133 * gcc.c: Likewise.
134 * recog.c: Likewise.
136 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
138 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
139 `bool' parameter to `int'.
141 * hash.c (hash_lookup): Likewise.
143 * hash.h (hash_lookup): Likewise.
145 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
147 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
149 * i386.c (x86_initialize_trampoline): Fix mode of constant.
151 2001-05-03 Geoff Keating <geoffk@redhat.com>
153 * invoke.texi (i386 Options): Delete references to -malign-jumps,
154 -malign-loops, -malign-functions.
155 * i386.c (ix86_align_funcs): Delete.
156 (ix86_align_loops): Delete.
157 (ix86_align_jumps): Delete.
158 (override_options): Mark -malign-* as obsolete. Emulate their
159 behaviour with the -falign-* options. Default -falign-* from
160 the processor table.
161 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
162 patch of Wed May 2 13:09:36 2001.
163 (LOOP_ALIGN): Delete.
164 (LOOP_ALIGN_MAX_SKIP): Delete.
165 (LABEL_ALIGN_AFTER_BARRIER): Delete.
166 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
168 2001-05-04 Andreas Jaeger <aj@suse.de>
170 * except.h: Add prototype declaration for
171 expand_builtin_init_dwarf_reg_sizes.
173 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
175 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
177 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
179 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
180 instruction.
181 ("bitcmpqi2"): New pattern for bit-extract and test.
182 ("bitcmphi"): New pattern for bitb/bita instructions.
184 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
186 * gccbug.in: Use a temporary directory when the mktemp command is
187 not available.
189 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
191 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
192 instead of _.d1.
193 (INITIALIZE_TRAMPOLINE): Call it.
194 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
195 (TRAMPOLINE_TEMPLATE): Remove.
196 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
197 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
198 Declare.
200 2001-05-03 David O'Brien <obrien@FreeBSD.org>
202 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
203 and crtendS.o with PIC.
205 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
207 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
208 negative numbers.
209 (___subdi3, ___adddi3): Use x instead of y as index register.
210 (__init_bss_section, __map_data_section): Optimize for 68HC12.
211 (__memset, __memcpy): Likewise.
212 (regs): Put the soft registers in bss for 68HC12.
213 (abort): Use trap to abort for 68hc12.
214 (__mulhi3, __mulhi32): Use emul for 68hc12.
215 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
217 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
219 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
220 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
221 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
222 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
223 Set 68HC12 min offset to -65536.
224 (print_operand): Put parenthesis arround the operand if it refers
225 to a symbol having the same name as a register.
226 (m68hc11_z_replacement): When z register is replaced by its
227 equivalent soft register, force the insn to be re-recognized.
228 (m68hc11_check_z_replacement): Fix the test when destination is
229 the index register and z dies in the insn.
230 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
232 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
234 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
235 costs according to processor variant.
236 (m68hc11_shift_cost): New function to compute shift costs.
237 (m68hc11_rtx_costs): Define costs according to processor variant.
238 (m6811_cost): Costs for 68HC11.
239 (m6812_cost): Costs for 68HC12.
240 (COSTS_N_INSNS): Remove.
242 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
243 (DEFAULT_RTX_COSTS): Remove.
244 (CONST_COSTS): Define costs according to OUTER_CODE.
245 (processor_costs): New struct to define costs.
246 (m68hc11_cost): Pointer to current costs.
248 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
250 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
251 and use m68hc11_notice_keep_cc when using leax/leay.
252 (addhi3 split): Reject split if the insn is handled by
253 leax/leay above.
254 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
255 push must be handled in a special way if the source operand uses
256 sp as index register.
257 (m68hc11_notice_keep_cc): New function.
258 (m68hc11_gen_movhi): Use it when an insn changes a register but
259 not the flags.
260 (m68hc11_gen_movqi): Fix move for 68HC12.
261 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
263 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
265 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
266 and don't pass operands[0] to emit_library_call_value.
268 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
270 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
271 (zero_extendsi split): Simplify and use (zero_extendhi).
272 (*addhi3): Remove 'w' constraint since stack pointer is handled
273 by (addhi3_sp).
274 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
275 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
276 (*ashrhi3_const): Fix shift by 7.
277 (*lshrsi3_const16): Fix template.
278 (call, call_value): Fix constraint and predicate.
280 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
282 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
283 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
284 (CC_REGNUM): Likewise.
285 (*unnamed splits): Use above constants instead of hard coded numbers.
286 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
287 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
288 (*return_16bit, *unnamed peepholes): Likewise.
290 2001-05-03 David O'Brien <obrien@FreeBSD.org>
292 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
293 rs6000/rs6000.h twice.
295 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
297 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
298 (CPP_SPEC): Conditionally define MSDOS and GO32.
299 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
300 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
301 ignored.
302 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
304 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
306 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
308 2001-05-03 Mark Mitchell <mark@codesourcery.com>
310 * integrate.h (struct inline_remap): Add leaf_reg_map table.
311 * integrate.c (expand_inline_function): Use xcalloc to allocate
312 memory.
313 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
314 registers.
316 2001-05-03 Mark Mitchell <mark@codesourcery.com>
318 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
319 if it is not set.
321 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
323 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
324 linker if -mrelax is given.
325 (TARGET_SWITCHES): Document -mrelax.
327 Re-installed 2001-01-09's patch:
328 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
329 if it's wider than long and the target's long is wider than the
330 host's.
332 2001-05-02 David O'Brien <obrien@FreeBSD.org>
334 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
335 directly include rs6000/rs6000.h. Instead do it in tm.h.
337 2001-05-02 Stan Shebs <shebs@apple.com>
339 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
340 NSConstantString for NeXT-style runtimes.
341 (STRING_OBJECT_GLOBAL_NAME): New macro.
342 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
343 OCTI_STRING_CLASS_DECL.
344 (constant_string_global_id): New macro.
345 (string_class_decl): Ditto.
346 (setup_string_decl): New function.
347 (build_objc_string_object): Use it to build a NeXT runtime
348 compatible string initializer.
350 2001-05-02 Jakub Jelinek <jakub@redhat.com>
352 * tradcpp.c (do_define): Make sure we don't walk past limit.
354 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
356 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
357 offsets if not REG_OK_STRICT.
359 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
360 (INT_REG_OK_FOR_INDEX_P): Likewise.
361 (INT_REG_OK_FOR_BASE_P): Likewise.
362 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
363 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
364 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
365 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
366 REG_OK_FOR_BASE_P. Take an additional parameter.
367 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
368 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
369 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
370 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
371 rs6000_legitimate_address() and use it.
372 * config/rs6000/rs6000.c: Update all callers.
373 (rs6000_legitimate_address): New function.
375 2001-05-02 David Edelsohn <edelsohn@gnu.org>
377 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
378 special_constant conditional blocks together.
380 2001-05-02 Dale Johannesen <dalej@apple.com>
382 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
383 parameter.
384 (STRICT_ARGUMENT_NAMING): Define.
385 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
386 function_arg_partial_nregs, setup_incoming_varargs): Remove
387 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
388 is defined.
390 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
392 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
394 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
395 for replacement.
397 * expr.c (store_field): Do nothing except elaborate side-effects if
398 zero-bit field.
400 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
402 * c-lex.c: NULL_PTR -> NULL.
403 * cse.c: Likewise.
404 * emit-rtl.c: Likewise.
405 * gcse.c: Likewise.
406 * genpeep.c: Likewise.
407 * jump.c: Likewise.
408 * mips-tdump.c: Likewise.
409 * reload1.c: Likewise.
410 * rtlanal.c: Likewise.
411 * stmt.c: Likewise.
412 * stor-layout.c: Likewise.
413 * toplev.c: Likewise.
415 2001-05-01 Per Bothner <per@bothner.com>
417 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
418 call do_pending_stack_adjust before emiting label.
420 2001-05-01 Mark Mitchell <mark@codesourcery.com>
422 * extend.texi: Fix typo.
424 2001-05-01 Stan Shebs <shebs@apple.com>
426 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
427 of UOBJC_MODULES_decl.
428 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
429 (generate_descriptor_table): Ditto.
430 (generate_protocols): Ditto.
431 (generate_protocol_list): Ditto.
432 (generate_classref_translation_entry): Ditto.
434 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
436 * invoke.texi (Optimize Options): Add documentation for `--param
437 max-delay-slot-insn-search' and `--param
438 max-delay-slot-live-search' and reorder --param section.
439 * params.def: Modify initial comment.
440 * params.h (param_info): Add `help' member.
441 * toplev.c (lang_independent_params): Include `help' description.
442 (display_help): Print --param parameters.
444 2001-05-01 Zack Weinberg <zackw@stanford.edu>
446 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
447 Remove references to deleted files.
448 (*-*-openbsd): No need to override xmake_file.
449 (*-*-sysv4): Treat like *-*-sysv.
451 * configure.in: Probe for ldopen in various places, and set up
452 collect2 to be linked with them if found.
453 Don't dink with Windows registry stuff unless $host_os is a
454 Win32 os name. Check to see if we need -ladvapi32.
455 * configure: Regenerate.
457 * Makefile: Get rid of CLIB and HOST_CLIB.
458 Substitute in COLLECT2_LIBS and link collect2 against its contents.
459 * build-make: Get rid of HOST_CLIB.
461 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
462 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
463 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
464 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
465 config/rs6000/x-rs6000: Delete.
467 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
468 Don't set CLIB.
470 24 x-host fragments remain, 0 x-cpu, 3 top level.
472 2001-05-01 Zack Weinberg <zackw@stanford.edu>
474 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
475 * configure: Regenerate.
477 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
479 * Makefile.in (install-headers): Remove redundant dependency.
481 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
483 * c-tree.texi (USING_STMT): Document.
485 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
487 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
488 * c-common.c: Likewise.
489 * c-decl.c: Likewise.
490 * combine.c: Likewise.
491 * rs6000.c: Likewise.
492 * except.c: Likewise.
493 * explow.c: Likewise.
494 * expr.c: Likewise.
495 * fold-const.c: Likewise.
496 * function.c: Likewise.
497 * gcc.c: Likewise.
498 * gcse.c: Likewise.
499 * integrate.c: Likewise.
500 * loop.c: Likewise.
501 * objc/objc-act.c: Likewise.
502 * recog.c: Likewise.
503 * reg-stack.c: Likewise.
504 * reload.c: Likewise.
505 * reload1.c: Likewise.
506 * simplify-rtx.c: Likewise.
507 * stmt.c: Likewise.
508 * varasm.c: Likewise.
510 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
512 * diagnostic.def: New file.
513 * diagnostic.h (diagnostic_t): New enum.
514 * Makefile.in (diagnostic.o): Depend on diagnostic.def
516 2001-04-30 Zack Weinberg <zackw@stanford.edu>
518 * tsystem.h: Test only POSIX for availability of string.h
519 and time.h.
520 * config.gcc (all systems): If USG appeared in xm_defines,
521 change it to POSIX. If both USG and POSIX appeared, just
522 delete USG. Remove unnecessary quotes around xm_defines
523 settings.
524 (m68k-crds-unos*): Don't #define unos - tested nowhere.
525 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
526 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
527 powerpc-*-linux*): No need to set xm_defines - handled by
528 global settings for *-*-linux*.
530 2001-04-30 Zack Weinberg <zackw@stanford.edu>
532 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
533 Always include gstab.h, not system stab.h. Don't provide
534 default definitions of N_CATCH or N_OPT. Always use the
535 gstab.h variant of STAB_CODE_TYPE.
536 * final.c: Don't include stab.h/gstab.h at all, or provide
537 defaults for N_SLINE and N_SOL.
539 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
540 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
541 available.
542 * sdbout.c: Always include gsyms.h instead of system syms.h.
544 * configure.in: No need to check for stab.h.
545 * configure, config.in: Regenerate.
546 * Makefile.in (final.o): Don't depend on gstab.h.
548 2001-04-30 Mark Mitchell <mark@codesourcery.com>
549 Richard Henderson <rth@redhat.com>
551 * extend.texi: Improve documentation of volatile asms.
553 2001-04-30 Mark Mitchell <mark@codesourcery.com>
555 * c-tree.texi: Fix thinko.
556 * gcc.texi: Likewise.
558 2001-04-30 Richard Henderson <rth@redhat.com>
560 * c-common.c (c_promoting_integer_type_p): New function, from the
561 corpse of old macro. Properly promote too-small enumerations and
562 booleans. Adjust all callers.
563 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
564 (c_promoting_integer_type_p): Declare.
565 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
566 * c-typeck.c: Likewise.
567 (default_conversion): Remove now redundant boolean check.
569 2001-04-30 Jan Hubicka <jh@suse.cz>
570 Richard Henderson <rth@redhat.com>
572 * regmove.c (try_apply_stack_adjustment): Remove now redundant
573 sanity checks.
574 (combine_stack_adjustments_for_block): Don't combine stack
575 allocation followed by deallocations. Handle grow-up stacks.
577 2001-04-30 Mark Mitchell <mark@codesourcery.com>
579 * fdl.texi: New file.
580 * c-tree.texi: Use the GFDL.
581 * gcc.texi: Likewise.
583 2001-04-30 Stan Shebs <shebs@apple.com>
585 * invoke.texi: Add a section documenting Objective-C options.
587 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
589 * emit-rtl.c (try_split): Copy EH notes to sequence.
591 2001-04-30 Mark Mitchell <mark@codesourcery.com>
593 * regmove.c (record_stack_memrefs): Catch all references to the
594 stack pointer.
596 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
598 * Makefile.in(stmp-fixinc): quote shell assignment values
600 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
602 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
604 * gcc.c: Likewise.
606 * prefix.c: Likewise.
608 2001-04-28 Stan Shebs <shebs@apple.com>
610 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
611 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
612 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
613 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
615 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
616 (NEXT_OBJC_RUNTIME): Define.
618 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
620 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
621 * simplify-rtx.c (simplify_gen_relational): Likewise.
623 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
625 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
626 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
628 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
629 registers in SSE case; fix handling of the immediates.
630 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
631 operands to be in regsiters before reload.
632 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
633 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
634 (abstf,absxf,negtf,negxf splitters): Compute
635 properly the regnum for x86_64.
636 (avsdf2_if_rex64): New.
638 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
640 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
641 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
642 into the constant pool.
643 * jump.c (jump_optimize_1): Remove barrier successors after all
644 the LABEL_NUSES counds have been computed.
645 (delete_barrier_successors): When deleting a tablejump insn, also
646 delete the jump table it uses.
647 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
648 label into memory.
650 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
652 * pa.c (FRP): Remove erroneous white space in macro definition.
654 2001-04-28 Andreas Jaeger <aj@suse.de>
656 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
657 appropriate.
658 * extend.texi: Likewise.
659 * tm.texi: Likewise.
661 2001-04-28 Andreas Jaeger <aj@suse.de>
663 * md.texi: Use XX-bit instead of XXbit or XX bit where
664 appropriate.
666 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
668 * gcc.c (process_command): Allow -l lib in addition to -llib
669 for POSIX compliance. This fixes PR c/2347.
671 * invoke.texi: Update section on Link Options accordingly.
673 2001-04-27 Zack Weinberg <zackw@stanford.edu>
675 * function.c (purge_addressof_1): Remove the duplicate
676 if (code == SET) block. Fold the two if (code == ADDRESSOF)
677 blocks together.
679 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
681 * except.c (expand_eh_region_start): Don't start a new block.
682 (expand_eh_region_end): Don't end a block.
683 * stmt.c (expand_end_bindings): Don't end EH blocks.
684 (expand_decl_cleanup): Starting an EH region won't change the block.
685 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
686 (is_eh_region): Lose.
687 * tree.h: Adjust.
689 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
691 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
693 * collect2.c (main): Add `-L' case to remove duplicate entries.
694 (is_in_args): New function to check for a duplicate argument.
695 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
696 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
697 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
698 Define to be nonzero.
700 2001-04-27 Andreas Jaeger <aj@suse.de>
701 Richard Henderson <rth@redhat.com>
703 * md.texi (Machine Constraints): Document additional i386
704 constraints and fix description of "A".
706 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
708 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
710 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
712 * except.c (get_exception_filter): word_mode, not Pmode.
714 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
716 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
717 common to other movsf patterns. Move up so that in future
718 people who change the other patterns will change it too.
719 (movsf_lo_sum): Allow even for soft-float; add appropriate
720 constraints.
721 (movsf_high): Likewise.
722 (movsf_high+1): Allow even for soft-float.
724 * function.c (expand_function_end): Always clobber the
725 return registers, even if there is no return label.
727 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
729 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
731 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
733 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
734 (pushqi2_rex64, pushhi2_rex64): Add.
736 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
738 * except.c (expand_eh_region_end_cleanup): Force pending stack
739 adjust before emitting label that branches around cleanup code.
741 2001-04-26 H.J. Lu (hjl@gnu.org)
743 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
745 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
746 define.
747 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
748 (ASM_OUTPUT_SECTION_NAME): Likewise.
749 (ASM_WEAKEN_LABEL): Likewise.
750 (UNIQUE_SECTION): Likewise.
751 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
752 (ASM_OUTPUT_DESTRUCTOR): Likewise.
753 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
754 (ASM_OUTPUT_SECTION_NAME): Likewise.
755 (ASM_WEAKEN_LABEL): Likewise.
756 (UNIQUE_SECTION): Likewise.
757 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
758 (ASM_OUTPUT_DESTRUCTOR): Likewise.
759 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
760 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
761 (ASM_FILE_START): Likewise.
762 (ASM_OUTPUT_SOURCE_LINE): Likewise.
763 (ASM_DECLARE_OBJECT_NAME): Likewise.
764 (ASM_FILE_END): Likewise.
765 (ASM_DECLARE_FUNCTION_NAME): Likewise.
766 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
767 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
768 (ASM_OUTPUT_CASE_LABEL): Likewise.
769 (ASM_OUTPUT_SKIP): Likewise.
770 (ASM_OUTPUT_ASCII): Likewise.
771 (ASM_OUTPUT_IDENT): Likewise.
772 (READONLY_DATA_SECTION): Likewise.
773 (EXTRA_SECTIONS): Likewise.
774 (EXTRA_SECTION_FUNCTIONS): Likewise.
775 (SELECT_RTX_SECTION): Likewise.
776 (SELECT_SECTION): Likewise.
778 * config/mips/linux.h (INVOKE__main): Undefine.
779 (CTOR_LIST_BEGIN): Likewise.
780 (CTOR_LIST_END): Likewise.
781 (DTOR_LIST_BEGIN): Likewise.
782 (DTOR_LIST_END): Likewise.
783 (SET_ASM_OP): Defined it to ".dummy".
784 (ASM_OUTPUT_DEF): Defined.
785 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
787 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
789 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
790 assembler supports .p2align.
792 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
794 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
796 2001-04-26 Jakub Jelinek <jakub@redhat.com>
798 * integrate.c (expand_inline_function): Check for error_mark_node
799 in actual argument.
801 2001-04-26 Jakub Jelinek <jakub@redhat.com>
803 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
804 -m386 and -m486.
806 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
808 * configure.in (configargs.h): Define thread_model.
809 * configure: Rebuilt.
810 * gcc.c (main): Print it with -v.
812 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
814 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
815 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
816 * gcc.1: Regenerate.
818 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
820 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
821 is_redundant_typedef): Use static inline instead of inline static.
823 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
825 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
826 this directory is always searched.
828 2001-04-25 Richard Henderson <rth@redhat.com>
830 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
831 of registers to restore along non eh_return path.
833 2001-04-25 Jakub Jelinek <jakub@redhat.com>
835 * c-format.c (check_format_info_recurse): Handle
836 PLUS_EXPR for format string.
838 2001-04-25 Jakub Jelinek <jakub@redhat.com>
840 * config/ia64/ia64.h (CC1_SPEC): Define.
841 * config/ia64/linux.h (CC1_SPEC): Define.
843 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
845 * emit-rtl.c (constant_subword): Also do sign extension in
846 BITS_PER_WORD == 16 case.
848 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
850 * loop.c (try_swap_copy_prop): Go back to checking insn.
852 2001-04-25 Jakub Jelinek <jakub@redhat.com>
854 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
855 if check_mode is non-zero.
857 2001-04-25 Jakub Jelinek <jakub@redhat.com>
859 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
860 out and comparison sequence has been detected, put result into
861 proper temporary pseudo.
863 2001-04-24 Zack Weinberg <zackw@stanford.edu>
865 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
866 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
867 * libgcc2.c: Remove __dummy and __builtin_saveregs.
868 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
869 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
870 for future reference.
872 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
874 * except.c (reachable_handlers): Step out one level from a RESX.
876 * except.c (struct eh_region): Rename 'last' to 'resume'.
877 (mark_eh_region, duplicate_eh_region_1): Adjust.
878 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
879 (build_post_landing_pads): Likewise.
880 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
881 (expand_eh_region_end_must_not_throw): Likewise.
882 (connect_post_landing_pads): Thread (only) regions with non-deleted
883 resume insns.
885 * except.c (expand_eh_region_end_cleanup): Save the EH return data
886 registers around the cleanup.
887 (get_exception_filter): New fn.
888 (finish_eh_generation): Use it.
890 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
892 * c-semantics.c (add_scope_stmt): Don't call
893 current_scope_stmt_stack multiple times.
895 2001-04-24 Zack Weinberg <zackw@stanford.edu>
896 Nathan Sidwell <nathan@codesourcery.com>
898 Lazy __FUNCTION__ generation.
899 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
900 RID_C99_FUNCTION_NAME): New _RIDs.
901 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
902 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
903 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
904 global tree slots.
905 (function_id_node, pretty_function_id_node, func_id_node): Remove.
906 (c99_function_name_decl_node, function_name_decl_node,
907 pretty_function_name_decl_node, saved_function_name_decls):
908 Declare.
909 (struct language_function): Remove x_function_name_declared_p.
910 (make_fname_decl): Remove a parameter.
911 (declare_function_names): Remove prototype.
912 (start_fname_decls, finish_fname_decls): Prototype.
913 (fname_as_string): Likewise.
914 (fname_string, fname_decl): Likewise.
915 * c-common.c (make_fname_decl): Adjust.
916 (struct fname_var_t): New struct.
917 (fname_vars): New static array.
918 (declare_function_name): Remove.
919 (start_fname_decls, finish_fname_decls): New functions.
920 (fname_as_string): New function from remnants of
921 declare_function_name.
922 (fname_string, fname_decl): New functions.
924 * c-decl.c (c_function_name_declared_p): Remove.
925 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
926 don't call declare_function_name. Call start_fname_decls.
927 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
928 clobber the line number. Call finish_decl.
929 (start_function): Call start_fname_decls.
930 (finish_function): Call finish_fname_decls.
931 Remove c_function_name_declared_p.
932 (push_c_function_context): Don't push c_function_name_declared_p.
933 (pop_c_function_context): Don't pop c_function_name_declared_p.
934 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
935 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
936 (program): Call finish_fname_decls for C.
937 (primary): Add VAR_FUNC_NAME.
938 (reswords): Add slots for __FUNCTION__ et al.
939 (rid_to_yy): Add mappings for __FUNCTION__ et al.
940 (yylexname): If it's a STRING_FUNC_NAME generate the function name
941 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
942 * c-semantics.c (prune_unused_decls): Remove.
943 (finish_stmt_tree): Don't call prune_unused_decls.
944 (genrtl_decl_stmt): Don't prune unused decls here.
946 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
948 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
949 constant pool, use the pool's SYMBOL_REF instead.
951 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
952 v850e.
954 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
956 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
957 passing nested NOP_EXPRs to fold.
959 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
961 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
963 2001-04-22 Mark Mitchell <mark@codesourcery.com>
965 * loop.c (loop_delete_insns): Add prototype.
967 2001-04-23 Phil Edwards <pme@sources.redhat.com>
969 * configure.in: Remove ENABLE_STD_NAMESPACE.
970 * config.in: Regenerated.
971 * configure: Regenerated.
973 2001-04-22 Stan Shebs <shebs@apple.com>
975 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
976 into xm_defines.
977 * config/rs6000/xm-darwin.h: Remove file.
979 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
981 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
982 (write_c_file_stat): Likewise.
984 * dbxout.c (dbxout_init): Likewise.
986 * profile.c (output_func_start_profiler): Likewise.
988 2001-04-22 Philipp Thomas <pthomas@suse.de>
990 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
991 require it instead of the CVS version.
992 * cpperror.c (v_message): Put a blank before the macro
993 body to not confuse exgettext.
995 2001-04-21 Mark Mitchell <mark@codesourcery.com>
997 * flow.c (proagate_one_insn): Remove useless assignment.
998 * jump.c (delete_insn): Tidy.
999 * loop.c (try_copy_prop): When deleting an instruction with a
1000 REG_RETVAL note, delete the entire libcall sequence.
1001 (loop_delete_insns): New function.
1002 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
1003 we're not substituting into them yet.
1005 2001-04-21 Kazu Hirata <kazu@hxi.com>
1007 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
1009 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
1010 Fix a comment typo.
1011 * config/i960/i960.c (signed_arith_operand): Likewise.
1013 * calls.c (expand_call): Fix a comment typo.
1015 2001-04-20 Zack Weinberg <zackw@stanford.edu>
1017 * configure.in: Probe for times, clock, struct tms, and clock_t.
1018 * configure, config.in: Regenerate.
1019 * timevar.c: Replace ifdef forest in get_time with (relatively)
1020 straightforward series of checks based on autoconf's probes.
1022 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
1024 * config/pa/som.h (NM_FLAGS): Define.
1026 2001-04-20 Bernd Schmidt <bernds@redhat.com>
1028 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
1029 function.
1030 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
1031 * ia64.c (nop_cycles_until): New function.
1032 (prev_cycle, prev_first, last_issued): New static variables.
1033 (ia64_sched_reorder): Additional arg for clock.
1034 On final scheduling pass, emit extra NOPs as needed.
1035 Set prev_first and prev_cycle.
1036 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
1037 (ia64_variable_issue): Set last_issued.
1039 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
1041 * config/i386/i386.c (ix86_expand_int_movcc,
1042 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
1044 2001-04-20 Geoff Keating <geoffk@redhat.com>
1046 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
1047 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
1048 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
1049 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
1050 ctrdi_internal6): In the short-branch case, this insn is only 4
1051 bytes long. Reported by Reza Yazdani <reza@apple.com>.
1053 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1055 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
1056 "=u" is used together with "st" resp. "st(1)" clobber.
1058 2001-04-20 Jakub Jelinek <jakub@redhat.com>
1060 * gcse.c (gcse_main): Fix comment typo.
1061 (delete_null_pointer_check): Likewise.
1062 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
1063 * cse.c (cse_insn): Likewise.
1064 * function.c (fixup_var_refs_insns_with_hash): The sequence is
1065 toplevel.
1067 2001-04-19 Zack Weinberg <zackw@stanford.edu>
1069 * toplev.c: Excise all code for the undocumented -dm option.
1070 (float_signal): Call signal just once, unconditionally.
1072 2001-04-19 Geoff Keating <geoffk@redhat.com>
1074 * fold-const.c (fold): Use first_rtl_op rather than
1075 TREE_CODE_LENGTH when looping over parameters of a tree.
1076 Correct strange grouping in test for evaluated SAVE_EXPR.
1078 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
1080 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
1081 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
1083 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
1084 name at 32 total characters.
1085 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
1086 functions in named sections -- data items can still go into unique
1087 sections, but they have normal names (ie $LIT$ and $DATA$).
1089 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
1090 INIT_PRIORITY.
1092 2001-04-19 DJ Delorie <dj@redhat.com>
1094 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1095 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
1096 * config/i386/cygwin.h: Likewise.
1097 * config/i386/mingw32.h: Likewise.
1098 * config/vax/vms.h: Likewise.
1099 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
1101 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
1102 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
1103 * config/i386/xm-cygwin.h: Likewise.
1104 * config/i386/xm-djgpp.h: Likewise.
1105 * config/i386/xm-mingw32.h: Likewise.
1106 * config/vax/xm-vms.h: Likewise.
1108 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
1109 instead of OBJECT_SUFFIX.
1110 * collect2.c (find_a_file): Look for files matching the extension
1111 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
1112 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
1113 TARGET_EXECUTABLE_SUFFIX.
1114 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
1115 (make_relative_prefix): Likewise.
1116 (convert_filename): Use TARGET_ suffixes throughout. Remove
1117 NO_AUTO_EXE_SUFFIX.
1118 (process_command): Likewise.
1119 (do_spec_1): Likewise.
1120 * java/lang.c (init_parse): Likewise.
1122 * gcc.texi : Document four new options matching the pattern
1123 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
1124 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
1125 documentation for NO_AUTO_EXE_SUFFIX.
1127 2001-04-19 Mark Mitchell <mark@codesourcery.com>
1129 * toplev.h (struct lang_hooks): Allow decode_option to indicate
1130 that language-independent processing should not be done.
1131 * toplev.c (main): Adjust accordingly.
1133 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
1134 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
1136 * mips.md (reload_outputdi): Require that operand0 be a
1137 general_operand.
1139 2001-04-19 Jakub Jelinek <jakub@redhat.com>
1141 * invoke.texi (-Wshadow): Clarify.
1143 2001-04-18 Mark Mitchell <mark@codesourcery.com>
1145 * loop.c (load_mems): Examine all the instructions in the loop
1146 before concluding that all jumps branch to the first instruction
1147 after the loop.
1149 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
1151 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
1153 2001-04-18 Jakub Jelinek <jakub@redhat.com>
1155 * cpp.texi (-Wwhite-space): Remove.
1156 (-Wall): -Wall does not imply -Wwhite-space.
1158 2001-04-17 Zack Weinberg <zackw@stanford.edu>
1160 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
1161 use it instead of blindly generating a .stabs.
1162 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
1163 in the right place.
1164 * xcoffout.c: Don't bother defining default for N_CATCH.
1165 (UNKNOWN_STAB): Use internal_error.
1166 (stab_to_sclass): Remove now-unnecessary aborts.
1167 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
1169 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
1171 * jump.c (mark_all_labels): Canonicalize the tail recursion
1172 label attached to CALL_PLACEHOLDER insns.
1174 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1176 * output.h (dump_flow_info, free_basic_block_vars,
1177 which_alternative): Delete redundant prototypes.
1179 * rtl.h (bss_section): Likewise.
1181 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
1183 * dbxout.c (N_OPT): Define if not available from <stab.h>
1185 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
1187 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
1188 libraries and native K&R compilers.
1190 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1192 * c-typeck.c (convert_arguments): Don't check for width changes
1193 with -Wtraditional.
1195 * invoke.texi (-Wtraditional): Update documentation.
1197 2001-04-16 Zack Weinberg <zackw@stanford.edu>
1199 * toplev.c (output_lang_identify): Delete.
1200 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
1201 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
1202 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
1203 after calling ASM_FILE_END.
1205 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
1206 Instead, unconditionally emit an N_OPT stab with string equal
1207 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
1209 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
1211 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
1212 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
1213 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
1214 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
1215 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
1216 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
1217 config/i370/i370.h, config/i386/beos-elf.h,
1218 config/i386/osf1elf.h, config/i386/osfrose.h,
1219 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
1220 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
1221 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
1222 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
1223 config/mips/iris6.h, config/mips/osfrose.h,
1224 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
1225 config/sparc/sp64-elf.h:
1226 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
1227 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
1229 * config/elfos.h, config/freebsd.h, config/linux.h,
1230 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
1231 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
1232 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
1233 of ASM_FILE_START which merely emit a .version directive. Delete
1234 definitions of ASM_FILE_END which merely emit an .ident directive.
1236 * config/avr/avr.h, config/vax/vax.h: Delete definition of
1237 ASM_IDENTIFY_GCC and move part of its logic into
1238 ASM_FILE_START.
1240 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
1241 config/sparc/linux-aout.h: Don't emit .version directive in
1242 ASM_FILE_START.
1244 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
1245 (output_file_start): Correct comment.
1247 * config/i386/osfrose.h: Don't emit trailing .ident directive.
1248 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
1249 to match gdb.
1250 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
1251 * config/rs6000/aix.h: Correct comment.
1253 * config/i386/i386afe.h: Delete.
1254 * config.gcc: Remove references to i386afe.h.
1256 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
1257 other macros deleted by this patch were undocumented.
1259 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
1261 * pa.md (reload_outdi): Operand 0 must be a non hard register.
1263 * pa.c (secondary_reload_class): SAR<->FP copies require a
1264 secondary register.
1266 * install.texi (mips-mips-bsd): Update list of functions
1267 required to include memmove.
1268 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
1269 used functions to include memmove.
1271 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
1273 * i386.md (sqrtdf2): SFmode should be DFmode.
1275 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
1277 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
1278 (find_moveable_store): Likewise.
1280 2001-04-15 Jim Wilson <wilson@redhat.com>
1282 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
1284 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
1286 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
1287 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
1289 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
1291 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
1292 first alternative.
1294 2001-04-14 Alan Modra <amodra@one.net.au>
1296 * pa.c (force_mode): New function.
1297 (emit_move_sequence): Use it instead of generating new rtx_REGs.
1299 2001-04-13 Jim Wilson <wilson@redhat.com>
1301 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
1302 (first_instruction): New static variable.
1303 (rtx_needs_barrier): Return 1 for alloc.
1304 (init_insn_group_barriers): Set first_instruction.
1305 (rws_sum): Delete duplicate definition.
1306 (group_barrier_needed_p): Return 0 when first_instruction true.
1307 (safe_group_barrier_needed_p): Save and restore first_instruction
1308 around group_barrier_needed_p call.
1310 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
1312 * expr.h (enum libfunc_index): Add LTI_memmove.
1313 (memmove_libfunc): Define macro.
1314 * optabs.c (init_optabs): Initialize memmove_libfunc.
1315 * expr.c (expand_assignment): Use memmove_libfunc instead of
1316 memcpy_libfunc.
1318 2001-04-13 Alan Modra <alan@linuxcare.com.au>
1320 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
1321 fp mode addresses.
1323 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1325 * Makefile.in (reg-stack.o): Depend on reload.h.
1326 (insn-attrtab.o): Depend on flags.h.
1328 * genattrtab (main): Include flags.h in insn-attrtab.c.
1330 * reg-stack.c: Include reload.h.
1332 * sparc.h (flag_pic): Delete redundant declaration.
1334 * output.h (flag_pic): Likewise.
1336 * tree.h (pedantic): Likewise.
1338 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1340 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
1342 * jump.c, regmove.c, toplev.c: Include reload.h.
1344 * reload.h (reload_cse_regs): Declare.
1346 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
1347 reload_cse_regs, init_reload, mark_home_live, reload,
1348 init_caller_save): Delete redundant prototypes.
1350 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1352 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
1354 * regclass.c, ssa.c: Include expr.h.
1356 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
1357 gen_move_insn): Delete redundant declarations.
1359 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1361 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
1362 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
1363 MAKEINFO and MAKEINFOFLAGS too.
1364 (stage4_build): Correctly order -B flags.
1366 2001-04-13 Alan Modra <amodra@one.net.au>
1368 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
1369 PIC_OFFSET_TABLE_SAVE_RTX.
1370 (zdepi_cint_p): Describe zdepi insn.
1371 Formatting and white space fixes throughout file.
1373 * pa.c (uint32_operand): Don't use long constant >= 2^32.
1374 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
1375 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
1376 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
1377 (output_64bit_and): Use plain `int's for shift counts.
1378 (output_64bit_ior): Likewise.
1379 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
1380 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
1381 `N', and simplify.
1383 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
1384 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
1385 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
1386 NEW_HP_ASSEMBLER into one. Kill warnings.
1388 * pa-gas.h: Delete file.
1389 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
1390 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
1391 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
1392 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
1394 * config/pa/mill32.S: New file.
1395 * config/pa/mill64.S: New file.
1396 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
1397 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
1398 * config/pa/t-linux64: New file.
1399 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
1400 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
1401 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
1403 * elfos.h (SELECT_SECTION): Undef before defining.
1404 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
1405 (LIB_SPEC): Remove -lmilli.
1406 (DBX_REGISTER_NUMBER): Remove.
1407 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
1408 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
1409 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
1410 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
1411 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
1412 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
1413 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
1414 TARGET_GAS): Define.
1415 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
1416 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
1417 regs if we don't have a prototype.
1418 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
1419 * pa.h (TARGET_ELF32): Default to 0 if undefined.
1420 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
1421 EH_RETURN_HANDLER_RTX): Define.
1422 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
1423 (DWARF_FRAME_REGNUM): Define.
1424 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
1425 * pa32-linux.h: New file.
1426 * pa64-linux.h: New file.
1428 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1429 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
1430 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
1431 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
1432 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
1433 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
1434 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
1435 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
1436 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
1437 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
1438 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1439 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
1440 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
1441 * pa64-hpux.h: New file.
1442 (ASM_FILE_START): Correct typo.
1443 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
1444 * config.gcc: Modify for above.
1446 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
1448 * jump.c (jump_optimize_1): Don't delete dead stores here.
1449 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
1450 prior to running jump optimize before cse2.
1452 2001-04-12 Richard Henderson <rth@redhat.com>
1454 * Makefile.in (regmove.o): Depend on except.h.
1455 * regmove.c: Include it.
1457 2001-04-12 Stan Shebs <shebs@apple.com>
1459 * objc/objc-act.c: Remove all code ifdefed with the never-used
1460 macro OBJC_INT_SELECTORS.
1461 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
1462 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
1464 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
1466 * config/pa/quadlib.c: Add prototypes.
1468 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1470 * bitmap.h (debug_bitmap): Delete redundant prototype.
1472 * rtl.h (get_frame_size): Likewise.
1474 2001-04-12 Jim Wilson <wilson@redhat.com>
1476 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
1477 to just emit an fnorm.
1479 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1481 * c-common.h (truthvalue_conversion, type_for_mode,
1482 type_for_size): Delete redundant declarations.
1484 * c-lex.h (is_class_name): Likewise.
1486 * c-tree.h (pedantic, convert, getdecls, gettags,
1487 global_bindings_p, init_decl_processing, insert_block,
1488 maybe_build_cleanup, poplevel, print_lang_decl,
1489 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
1490 set_block, incomplete_type_error, build_function_call,
1491 lvalue_or_else, mark_addressable): Likewise.
1493 * expr.h (expand_tree_builtin): Likewise.
1495 2001-04-12 Mark Mitchell <mark@codesourcery.com>
1497 * invoke.texi: Document --param max-gcse-memory.
1499 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1501 * configure.in (errno): Check for declaration.
1502 * configure, config.in: Regenerated.
1504 * system.h (errno): Only declare if not already done.
1506 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1508 * recog.c (general_operand, immediate_operand,
1509 nonmemory_operand): Require CONST_INTs to be sign-extended
1510 values for their modes.
1512 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1514 * expmed.c (store_bit_field): Truncate CONST_INTs.
1515 (expand_mult_highpart, expand_divmod): Likewise.
1516 * expr.c (convert_modes, store_field): Likewise.
1517 * integrate.c (expand_inline_function): Use promote_mode() to
1518 determine whether to convert_modes() an argument as signed
1519 or unsigned.
1520 * optabs.c (expand_binop): Get CONST_INT operands
1521 sign-extended for their appropriate modes.
1522 * stmt.c (emit_case_nodes): Convert node values to the
1523 appropriate mode.
1524 (expand_end_case): Convert minval and range to the appropriate
1525 mode.
1526 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
1527 the iteration variable.
1528 * varasm.c (immed_double_const): Don't require words to be
1529 narrower than host wide ints to properly sign-extend
1530 CONST_INTs.
1532 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
1534 * sh.md (builtin_setjmp_receiver): New expander.
1536 2001-04-12 David Edelsohn <dje@watson.ibm.com>
1538 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
1539 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
1540 for generating CONST_INT and CONST_DOUBLE.
1542 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1544 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1545 already sign-extended.
1546 (rs6000_emit_prologue): Make register iterator signed.
1547 (rs6000_emit_epilogue): Likewise.
1548 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
1549 and low.
1550 (movsf split, movdf split): Sign-extend CONST_INTs.
1551 (movdi splits): Likewise.
1553 2001-04-12 Kelley Cook <kelley.cook@home.com>
1555 * config-lang.in (lang_dirs): Add in zlib.
1557 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
1559 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
1560 operands that make it to RTL.
1562 2001-04-11 Stan Shebs <shebs@apple.com>
1564 Add Darwin (Mac OS X kernel) native support.
1565 * config.gcc (powerpc-*-darwin*): Add native bits.
1566 * config/darwin.c: New file, generic Darwin support functions.
1567 * config/darwin.h: New file, generic Darwin definitions.
1568 * config/darwin-protos.h: New file, generic Darwin prototypes.
1569 * rs6000/darwin.h: New file, Darwin for PowerPC.
1570 * rs6000/t-darwin: New file, Darwin makefile fragment.
1571 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
1572 (TARGET_MACHO): Ditto.
1573 (rs6000_abi): Add ABI_DARWIN.
1574 (RS6000_REG_SAVE): Add ABI_DARWIN case.
1575 (RS6000_SAVE_AREA): Ditto.
1576 (FP_ARG_MAX_REG): Ditto.
1577 (RETURN_ADDRESS_OFFSET): Ditto.
1578 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
1579 cases.
1580 (rs6000_emit_move): Add ABI_DARWIN cases.
1581 (print_operand): Ditto.
1582 (first_reg_to_save): Ditto.
1583 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
1584 (debug_stack_info): Ditto.
1585 (rs6000_emit_prologue): Ditto.
1586 (rs6000_emit_epilogue): Ditto.
1587 (output_profiler_hook): Ditto.
1588 (output_function_profiler): Ditto.
1589 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
1590 (output_mi_thunk): Add TARGET_MACHO case.
1591 (add_compiler_stub): Ditto.
1592 (output_compiler_stub): Ditto.
1593 (no_previous_def): Ditto.
1594 (output_call): Ditto.
1595 (machopic_output_stub): Ditto.
1596 (rs6000_machopic_legitimize_pic_address): Ditto.
1597 (toc_section): Ditto.
1598 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
1599 (macho_high): Ditto.
1600 (macho_low): Ditto.
1601 (movsi_low): Ditto.
1602 (load_macho_picbase): Ditto.
1603 (call): Add TARGET_MACHO case to modify function.
1604 (call_value): Ditto.
1605 (call_nonlocal_sysv): Add ABI_DARWIN case.
1606 (call_value_nonlocal_sysv): Ditto.
1607 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
1608 Add prototype.
1609 (machopic_output_stub): Ditto.
1610 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
1612 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1614 * dwarf2out.c (modified_type_die): Don't create new types here.
1615 * tree.h (get_qualified_type): New function.
1616 (build_qualified_type): Adjust comment.
1617 * tree.c (get_qualified_type): New function.
1618 (build_qualified_type): Use it.
1620 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1622 * cpp.texi (-Wtraditional): Update description.
1624 * invoke.texi (-Wtraditional): Likewise.
1626 2001-04-11 Jim Wilson <wilson@redhat.com>
1628 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
1629 requires more than 64 bits of alignment.
1631 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
1633 * cpplib.c (do_line): Sanity check iff enable checking.
1635 2001-04-11 Richard Henderson <rth@redhat.com>
1637 * Makefile.in (insn-recog.o): Depend on toplev.h.
1638 (insn-emit.o, doloop.o): Likewise.
1639 * genrecog.c, genemit.c: Include toplev.h in generated file.
1640 * doloop.c: Include toplev.h.
1642 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1644 * Makefile.in (gcse.o): Depend on params.h.
1645 * gcse.c: Include params.h.
1646 (gcse_main): Don't do GCSE if doing so will take inordinate
1647 amounts of memory.
1648 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
1649 * params.h (MAX_GCSE_MEMORY): New macro.
1651 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1653 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
1655 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
1657 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1659 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
1661 * real.h (ereal_atof, real_value_truncate, target_isnan,
1662 target_isinf, target_negative, assemble_real, debug_real): Delete
1663 redundant prototypes.
1665 * Makefile.in (ifcvt.o): Depend on toplev.h.
1667 * c-semantics.c: Include expr.h.
1669 * ifcvt.c: Include toplev.h.
1671 * expr.h (rtx_equal_p): Delete prototype.
1673 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
1674 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
1675 eliminate_constant_term, expand_complex_abs, find_single_use,
1676 make_tree, init_expr_once, init_optabs, supports_one_only):
1677 Likewise.
1679 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
1680 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
1681 expand_assignment, store_expr, emit_line_note_after,
1682 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
1684 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
1686 * sparc-protos.h: Delete redundant prototypes.
1688 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
1690 * reload.c (push_reload): Add condition missed in SUBREG byte
1691 offset patch.
1693 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1695 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
1697 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
1699 * i386.md (floatsisf_sse): Fix output template
1700 * i386.c (ix86_expand_fp_movcc)
1702 * reg-stack.c (emit_pop_insn): Handle complex modes.
1703 (move_for_stack_reg): Emit proper move mode.
1704 (subst_stack_regs_pat): Handle complex modes.
1706 2001-04-11 Jakub Jelinek <jakub@redhat.com>
1708 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
1710 2001-04-10 Richard Henderson <rth@redhat.com>
1712 * libgcc2.h (__terminate_func_ptr): Remove typedef.
1713 (__pure_virtual, __terminate, __terminate_set_func,
1714 __default_terminate, __throw_type_match, __empty,
1715 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
1716 __eh_rtime_match, __unwinding_cleanup, __rethrow,
1717 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
1718 Remove prototypes of deleted functions.
1720 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1722 * c-typeck.c (convert_arguments): -Wtraditional now activates
1723 -Wconversion warnings, except for changes in signed-ness.
1724 Detect complex<->int & int<->complex conversions as well.
1726 * invoke.texi (-Wtraditional): Document it.
1728 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1730 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
1731 * flow.c (set_block_for_new_insns): Remove needless cast and
1732 properly check for unset block number.
1734 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
1736 * function.c (purge_single_hard_subreg_set): Only check REGNO if
1737 the subreg was a hard register. Pseudos are left as subregs.
1739 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1741 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1742 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1743 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1744 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1745 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1747 2001-04-09 Bo Thorsen <bo@suse.co.uk>
1749 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
1751 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1753 * output.h (set_block_num): Missed it earlier, remove deprecated
1754 prototype.
1756 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1758 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
1759 (load_killed_in_block_p): Change bb parameter from int to basic_block.
1760 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
1761 (handle_rd_kill_set): Change bb parameter from int to basic_block.
1762 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
1763 (expr_killed_p): Change bb parameter from int to basic_block, pass
1764 basic_blocks instead of ints as parameters.
1765 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
1766 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
1767 from int to basic_block, pass basic_blocks instead of ints as parms.
1768 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
1769 parameter from int to basic_block, pass basic_blocks instead of ints.
1770 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
1771 (insert_insn_end_bb): Change bb parameter from int to basic_block,
1772 pass basic_blocks instead of ints.
1773 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
1774 basic_blocks instead of ints as parameters.
1775 (pre_delete): Pass basic_blocks instead of ints as parameters.
1776 (hoist_expr_reaches_here_p): Change bb parameter from int to
1777 basic_block, pass basic_blocks instead of ints.
1778 (hoist_code): Pass basic_blocks instead of ints as parameters.
1779 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
1780 Change bb parameter from int to basic_block.
1781 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
1782 (insert_insn_start_bb): Change bb parameter from int to basic_block,
1783 pass basic_blocks instead of ints.
1784 (insert_store): Pass basic_blocks instead of ints as parameters.
1785 (replace_store_insn, delete_store): Change bb parameter from int to
1786 basic_block, pass basic_blocks instead of ints.
1787 (store_motion): Pass basic_blocks instead of ints as parameters.
1789 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1791 * basic-block.h (set_new_block_for_insns): New Prototype.
1792 (set_block_num): Delete prototype.
1793 * flow.c (set_block_num): Remove obsolete function.
1794 (set_block_for_new_insns): Set BB for single or multiple insns.
1795 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
1796 (process_insn_end_bb): Use set_block_for_new_insns or
1797 set_block_for_insn instead of set_block_num.
1798 (pre_insert_copy_insn): Use set_block_for_new_insns.
1799 (update_ld_motion_stores): Use set_block_for_new_insns.
1800 (insert_insn_start_bb): Use set_block_for_new_insns.
1801 (replace_store_insn): Use set_block_for_new_insns.
1803 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1804 Jeff Law <law@redhat.com>
1806 * alias.c (get_addr): Externalize.
1807 (canon_true_dependence): New function. Behaves like true_dependance
1808 except it already assumes a MEM has been canonicalized.
1809 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
1810 * gcse.c (struct ls_expr): Add load/store expressions structure.
1811 (modify_mem_list, canon_modify_mem_list): New variable.
1812 (gcse_main): Initialize & finalize alias analysis. Use enhanced
1813 load motion and store motion if requested.
1814 (alloc_gcse_mem): Allocate space for modify_mem_list array.
1815 (free_gcse_mem): Free the modify_mem_list array.
1816 (oprs_unchanged_p): Use load_killed_in_block_p.
1817 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
1818 (mems_conflict_for_gcse_p): New function. Don't kill loads
1819 with stores to themselves if its in the load/store expression list.
1820 (load_killed_in_block_p): New function.
1821 (canon_list_insert): New Function.
1822 (record_last_mem_set_info): Keep a list of all instructions which
1823 can modify memory for each basic block.
1824 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
1825 (oprs_not_set_p): Use load_killed_in_block_p.
1826 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
1827 (expr_killed_p): Use load_killed_in_block_p.
1828 (compute_transp): Do not pessimize memory references.
1829 (pre_edge_insert): Update stores for a load motion expression.
1830 (one_pre_gcse_pass): Check loads/stores for extra load motion.
1831 (ldst_entry): Find or create a ldst_expr structure.
1832 (free_ldst_entry): Free memory for an individual item.
1833 (free_ldst_mems): Free entire load/store expression list.
1834 (print_ldst_list): Print debug info.
1835 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
1836 (enumerate_ldsts): Assign integer values to each entry in list.
1837 (first_ls_expr): First expression in the list.
1838 (next_ls_expr): Next expression in the list.
1839 (simple_mem): Check if expression qualifies for ld/st expression list.
1840 (invalidate_any_buried_refs): Remove from expression list if its
1841 used in some other way we dont understand.
1842 (compute_ld_motion_mems): Find all potential enhanced load motion
1843 expression.
1844 (trim_ld_motion_mems): Remove any expressions which are invalid.
1845 (update_ld_motion_stores): Copy store values to registers for loads
1846 which have been moved.
1847 (regvec, st_antloc, num_store): New global statics.
1848 (reg_set_info): Marks registers as set.
1849 (store_ops_ok): Verfies registers expressions are valid in a block.
1850 (find_moveable_store): Look for moveable stores in a pattern.
1851 (compute_store_table): Find stores in a function worth moving, maybe.
1852 (load_kills_store): Check dependance of a load and store.
1853 (find_loads): Find any loads in a pattern.
1854 (store_killed_in_insn): Check if a store is killed in an insn.
1855 (store_killed_after): Check is store killed after an insn in a block.
1856 (store_killed_before): Check is store killed before an insn in a block.
1857 (build_store_vectors): Generate the antic and avail vectors.
1858 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
1859 (insert_store): Add a store to an edge.
1860 (replace_store_insn): Replace a store with a SET insn.
1861 (delete_store): Delete a store insn.
1862 (free_store_memory): Free memory.
1863 (store_motion): Perform store motion.
1864 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
1865 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
1866 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
1867 (f_options): Add gcse-lm and gcse-sm.
1869 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1871 * i386.c (expand_fp_movcc): Fix condition reversal code.
1873 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
1874 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
1875 (CLASS_MAX_NREGS): Use it.
1877 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
1878 handle properly complex values.
1879 (CLASS_MAX_NREGS): Likewise; update comment.
1881 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1883 * ia64.c (ia64_flag_schedule_insns2): New variable.
1884 (ia64_override_options): Initialize it. Clear
1885 flag_schedule_insns_after_reload.
1886 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1888 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1890 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
1891 Do not require source to match destination anymore;
1892 Add abort to the nontrivial cases that should be handled by split.
1893 (fix_trunc?fdi): Add SSE case for x86_64.
1894 (floatdi?f): Likewise.
1895 (floatdi?f_sse): New.
1896 (fix_trunc?fdi_sse): New.
1898 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
1900 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
1901 (DEBUG_ARANGES_END_LABEL): Ditto.
1902 (dwarfout_init): Generate length and version fields at the start
1903 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
1904 after the length field.
1905 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
1906 the .debug_aranges info.
1908 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1910 * i386.c (call, call_value): Make sure that resulting call_insn
1911 does have proper second operand.
1913 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1915 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1916 function. Remove include of sys/cygwin.h.
1918 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1920 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1921 (CPP_SPEC): Always search */include/w32api for header files.
1922 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1923 (LINK_SPEC): Add "cyg" to the library search prefixes.
1925 2001-04-08 Philip Blundell <philb@gnu.org>
1927 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1929 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1931 * cpperror.c (print_location): Don't special case <stdin>.
1932 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1933 WARNING, but we don't check if we're in system headers.
1934 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
1935 * cpplib.c (do_warning): Warn in system headers.
1937 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1939 * mbchar.c: Include config.h first.
1941 2001-04-07 Zack Weinberg <zackw@stanford.edu>
1943 * config.gcc: Set default for xmake_file at top, not bottom.
1944 Change places that set xmake_file to "none" to set to the
1945 empty string instead, or remove them entirely if there is no
1946 default xmake_file for this cpu_type. Remove references to
1947 deleted files.
1949 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
1950 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
1951 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
1952 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
1953 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
1954 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
1955 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
1956 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
1957 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
1958 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
1959 Delete.
1961 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
1962 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1963 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1964 config/mips/x-sysv, config/rs6000/x-aix31:
1965 Just set CLIB to -lld or -lmld, as appropriate.
1967 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
1968 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
1969 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
1970 config/mips/x-iris, config/pa/x-pa:
1971 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
1972 OTHER_FIXINCLUDES_DIRS.
1974 * config/i386/x-djgpp: Don't set LN or LN_S.
1975 * config/m88k/x-dolph: Don't define __m88k__.
1976 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
1977 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
1978 * config/i860/fx2800.h: No need to #undef SVR4.
1980 38 x-host fragments remain, 2 x-cpu.
1982 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1984 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1986 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1988 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
1990 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1992 * configure.in: Add check for lstat.
1993 * configure, config.in: Regenerate.
1994 * cppinit.c (append_include_chain): Make empty path ".".
1995 * cpplib.c (do_line): Don't simplify #line paths.
1996 * cppfiles.c (remove_component_p): New function.
1997 (find_or_create_entry): Acknowledge stat () errors during
1998 path simplification.
1999 (handle_missing_header): Don't simplify paths.
2000 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
2001 the empty path untouched. Don't leave a trailing '/'.
2003 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
2005 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2006 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
2008 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
2010 * cppfiles.c (open_file): Fail directories silently, but
2011 with an errno of NOENT set.
2012 (read_include_file): Move the common exit code to the sole
2013 caller. Return an int indicating success or failure. Let
2014 open_file handle directories.
2015 (stack_include_file): If read_include_file fails,
2016 push a "null" buffer.
2018 2001-04-05 DJ Delorie <dj@redhat.com>
2020 * function.h (virtuals_instantiated): Declare.
2021 * function.c: (virtuals_instantiated): Make global.
2022 * calls.c (emit_library_call_value_1): Use
2023 virtual_outgoing_args_rtx only if it hasn't been instantiated.
2024 Otherwise, use the stack pointer directly.
2026 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2028 * i386.c (x86_initialize_trampoline): New global function.
2029 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
2030 (INITIALIZE_TRAMPOLINE): Move offline.
2031 * i386-protos.h (x86_initialize_trampoline): Declare.
2033 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2035 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
2036 (lea_0): Rename to lea_1.
2037 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
2038 (lea_general_?): Allow SImodes on TARGET_64BIT
2039 (lea_general_?_zext): New patterns.
2040 (call_1, call_1_rex64): Fix.
2042 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
2044 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
2046 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
2048 * i386.c (function_arg): Return constm1_rtx for last argument.
2049 (ix86_expand_prologue): Update gen_call calls.
2050 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
2051 * i386.md (call_pop): Likewise.
2052 (call): Second operand is VOIDmode.
2053 (call_0): Likewise; Support 64bits.
2054 (call_exp): New expander.
2055 (call_1): Get to the sync.
2056 (call_1_exp): New pattern.
2057 (call_value): Support 64bit.
2058 (call_value_exp): New pattern.
2059 (untyped_call): Update gen_call call.
2060 (call_value_pop): Disable for 64bit.
2061 (call_value_0_rex64): New pattern.
2062 (call_value_1_rex64): Likewise.
2064 2001-04-05 Bo Thorsen <bo@suse.de>
2066 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
2068 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
2070 * i386.md (*andsi_1+3): If used after reload, make sure the operand
2071 satisfies ANY_QI_REG_P.
2073 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2075 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
2076 ASM_OPERAND.
2078 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
2079 change.
2081 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2083 * config.gcc: Remove default for xm_file. Clean up local
2084 machine type handling. Remove settings of xm_file to
2085 something that doesn't exist. In the big switch, set xm_file,
2086 don't append to it (the value before the big switch is always
2087 null). Don't force build_xm_file or host_xm_file to have a value.
2088 * configure.in: Remove default for xm_file. Do not special
2089 case $cpu/xm-$cpu.h not existing.
2090 * configure: Regenerate.
2092 2001-04-04 Diego Novillo <dnovillo@redhat.com>
2094 * simplify-rtx.c (simplify_binary_operation): Check for overflow
2095 when folding integer division and modulo operations.
2097 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
2099 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
2100 instead of DWARF2_ADDR_SIZE for EH addresses.
2101 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
2102 EH addresses.
2104 2001-04-04 Richard Henderson <rth@redhat.com>
2106 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
2107 * config/ia64/t-glibc (LIB2ADDEH): Disable.
2108 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
2110 2001-04-04 Richard Henderson <rth@redhat.com>
2112 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
2113 * configure: Rebuilt.
2115 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2117 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
2118 push insns to delete to it instead of deleting them.
2119 (delete_null_pointer_checks): Delete insns from delete_list after
2120 all delete_null_pointer_checks_1 passes are done.
2122 2001-04-04 Richard Henderson <rth@redhat.com>
2124 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
2125 * configure: Rebuilt.
2127 2001-04-04 Zack Weinberg <zackw@stanford.edu>
2129 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
2130 * config/romp/xm-romp.h: Delete.
2132 2001-04-04 Bernd Schmidt <bernds@redhat.com>
2134 * sched-deps.c (sched_analyze_insn): Partially revert March 27
2135 change.
2137 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2139 * emit-rtl.c (mark_label_nuses) Increment the label uses for
2140 all labels present in rtx.
2141 (try_split) Call new function for all split insns.
2143 2001-04-04 Jakub Jelinek <jakub@redhat.com>
2145 * recog.c (validate_replace_rtx_1): Instead of aborting just make
2146 sure the change won't be validated.
2148 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
2150 * rtl.h (set_noop_p): Declare.
2151 * flow.c (set_noop_p): Move from here ...
2152 * rtlanal.c (set_noop_p): ... to here and enhance.
2153 * cse.c (delete_trivially_dead_insns): Use it.
2154 * gcse.c (hash_scan_set): Likewise.
2155 * jump.c (delete_noop_moves): Likewise.
2156 * recog.c (split_all_insns): Likewise.
2158 2001-04-04 Alan Modra <alan@linuxcare.com.au>
2160 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
2161 stack pointer via a LO_SUM. Ditto for setting a temp register
2162 used to save to the stack. Set cfa_temp when setting fp, and
2163 allow matches to cfa_temp in addition to cfa_store when saving
2164 regs. Handle POST_INC and LO_SUM register stores. Document the
2165 changes and errors in rule 12 doco.
2167 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
2168 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
2169 (load_reg): Move closer to epilogue code.
2170 (DO_FRAME_NOTES): Define to control the following..
2171 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
2172 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
2173 notes as necessary.
2174 (hppa_expand_epilogue): Likewise.
2176 2001-04-03 Richard Henderson <rth@redhat.com>
2178 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
2179 * configure: Rebuild.
2181 2001-04-03 Richard Henderson <rth@redhat.com>
2183 * rtl.h (LCT_THROW): New.
2184 * calls.c (emit_library_call_value_1): Handle it.
2185 * except.c (connect_post_landing_pads): Use it.
2187 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2189 * gansidecl.h: Delete file.
2190 * configure.in: Change all refs to gansidecl.h to use
2191 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
2192 lives.
2193 * configure: Regenerate.
2195 * Makefile.in (intl.o): Don't depend on gansidecl.h.
2196 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
2197 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
2198 Don't include gansidecl.h.
2199 * intl.c, main.c, version.c, fixinc/fixlib.h,
2200 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
2201 gansidecl.h.
2203 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2205 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
2206 Update for 64bit.
2208 2001-04-03 Zack Weinberg <zackw@stanford.edu>
2210 * config/i386/xm-beos.h, config/i386/xm-isc.h,
2211 config/i386/xm-next.h, config/i386/xm-sco.h,
2212 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
2213 config/m88k/xm-m88k.h: Delete.
2215 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
2216 * config/romp/xm-romp.h: Don't define bcopy.
2217 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
2218 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
2220 * config.gcc: Remove references to deleted files.
2222 14 xm-host.h remain, 1 xm-cpu.h.
2224 2001-04-03 Jakub Jelinek <jakub@redhat.com>
2225 David S. Miller <davem@pierdol.cobaltmicro.com>
2226 Andrew MacLeod <amacleod@redhat.com>
2228 Use byte offsets in SUBREGs instead of words.
2230 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
2231 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
2232 to pass new argument.
2233 (add_stored_regs): Use subreg_regno_offset function.
2234 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
2235 into account.
2236 (precompute_arguments): Use gen_lowpart_SUBREG.
2237 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
2238 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
2239 (simplify_set): Rework to use SUBREG_BYTE.
2240 (expand_field_assignment): Use SUBREG_BYTE.
2241 (make_extraction): Use SUBREG_BYTE.
2242 (if_then_else_cond): Use SUBREG_BYTE.
2243 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
2244 (gen_lowpart_for_combine): Compute full byte offset.
2245 * cse.c (mention_regs): Use SUBREG_BYTE.
2246 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
2247 (canon_hash): Use SUBREG_BYTE.
2248 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
2249 (gen_lowpart_if_possible): Formatting.
2250 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
2251 correctly.
2252 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2253 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2254 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2255 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
2256 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2257 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
2258 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
2259 certain invariants about SUBREGs the compiler creates.
2260 (gen_lowpart_SUBREG): New function.
2261 (subreg_hard_regno): New function to get the final register number.
2262 (gen_lowpart_common): Use SUBREG_BYTE.
2263 (gen_imagpart): Spacing nits.
2264 (subreg_realpart_p): Use SUBREG_BYTE.
2265 (gen_highpart): Use SUBREG_BYTE.
2266 (subreg_lowpart_p): Always compute endian corrected goal offset,
2267 even at the byte level, then compare against that.
2268 (constant_subword): New function, pulled out all constant cases
2269 from operand_subword and changed second argument name to offset.
2270 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
2271 and call constant_subword to do the work. Return const0_rtx if
2272 looking for a word outside of OP.
2273 (operand_subword_force): Change second arg name to offset.
2274 * expmed.c (store_bit_field): Use SUBREG_BYTE.
2275 (store_split_bit_field): Use SUBREG_BYTE.
2276 (extract_bit_field): Use SUBREG_BYTE.
2277 (extract_split_bit_field): Use SUBREG_BYTE.
2278 (expand_shift): Use SUBREG_BYTE.
2279 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
2280 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
2281 * flow.c (set_noop_p): Use SUBREG_BYTE.
2282 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
2283 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
2284 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
2285 correction code.
2286 (optimize_bit_field): Use SUBREG_BYTE.
2287 (purge_addressof_1): Use SUBREG_BYTE.
2288 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
2289 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
2290 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
2291 * gengenrtl.c (special_rtx): Add SUBREG.
2292 * global.c (mark_reg_store): Use SUBREG_BYTE.
2293 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
2294 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
2295 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
2296 final byte offset is congruent to subreg's mode size.
2297 (subst_constants): Use SUBREG_BYTE.
2298 (mark_stores): Use subreg_regno_offset function.
2299 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
2300 function and SUBREG_BYTE.
2301 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
2302 (reg_is_born): Use subreg_hard_regno.
2303 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
2304 endian correction code. Don't combine subregs unless resulting
2305 offset aligns with type. Fix subreg constant extraction for DImode.
2306 Simplify SUBREG of VOIDmode CONST_DOUBLE.
2307 (general_operand): Remove dead mode_altering_drug code.
2308 (indirect_operand): Use SUBREG_BYTE.
2309 (constrain_operands): Use subreg_regno_offset function.
2310 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
2311 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
2312 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
2313 * regs.h (REG_SIZE): Allow target to override.
2314 (REGMODE_NATURAL_SIZE): New macro which target can override.
2315 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
2316 on the entire subreg rtx.
2317 (push_reload): Use SUBREG_BYTE in comments and code.
2318 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
2319 for hard registers inside subregs.
2320 (operands_match_p): Use subreg_regno_offset.
2321 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
2322 containing hard regs.
2323 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
2324 corrections when fixing up MEM subregs.
2325 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
2326 subreg_regno_offset where appropriate.
2327 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
2328 byte endian corrections when fixing up MEM subregs.
2329 (subst_reloads): When combining two subregs, make sure final
2330 offset is congruent to subreg's mode size.
2331 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
2332 (refers_to_regno_for_reload_p): Use subreg_regno.
2333 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
2334 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
2335 correction code for memory subreg fixups.
2336 (forget_old_reload_1): Use subreg_regno_offset.
2337 (choose_reload_regs): Use subreg_regno.
2338 (emit_input_reload_insns): Use SUBREG_BYTE.
2339 (reload_combine_note_store): Use subreg_regno_offset.
2340 (move2add_note_store): Use subreg_regno_offset.
2341 * resource.c (update_live_status, mark_referenced_resources): Use
2342 subreg_regno function.
2343 (mark_set_resources): Use subreg_regno function.
2344 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
2345 (subreg_regno_offset, subreg_regno): Define prototypes.
2346 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
2347 (gen_lowpart_SUBREG): Add prototype.
2348 * rtl.texi (subreg): Update to reflect new byte offset representation.
2349 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
2350 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
2351 (reg_overlap_mentioned_p): Use subreg_regno.
2352 (replace_regs); Make sure final offset of combined subreg is
2353 congruent to size of subreg's mode.
2354 (subreg_regno_offset): New function.
2355 (subreg_regno): New function.
2356 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
2357 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
2358 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
2359 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
2360 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
2361 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
2362 (a29k_get_reloaded_address): Use SUBREG_BYTE.
2363 (print_operand): Use SUBREG_BYTE.
2364 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
2365 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
2366 (arm_reload_out_hi): Use SUBREG_BYTE.
2367 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
2368 instead of SUBREG_WORD.
2369 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
2370 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
2371 SUBREG creation to use byte offset.
2372 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
2373 inverted load insns): Fix explicit rtl subregs to use byte
2374 offsets.
2375 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
2376 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
2377 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
2378 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
2379 to use byte offsets.
2380 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
2381 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
2382 offsets, also make sure it is congruent to SUBREG's mode size.
2383 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
2384 unnamed ldob insn): Generate SUBREGs with byte offset.
2385 (zero_extendqihi2): SUBREG's are byte offsets.
2386 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
2387 (m68hc11_gen_highpart): Use SUBREG_BYTE.
2388 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
2389 zero-extendqisi2): Generate SUBREGs with byte offset.
2390 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
2391 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
2392 subregs in rtl to use byte offsets.
2393 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
2394 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
2395 (mips_move_2words): Use subreg_regno_offset.
2396 (mips_secondary_reload_class): Use subreg_regno_offset.
2397 * config/mips/mips.md (DImode plus, minus, move, and logical op
2398 splits): Fixup explicit subregs in rtl to use byte offsets.
2399 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
2400 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
2401 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
2402 rtl to use byte offsets.
2403 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
2404 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
2405 subregs to use byte offsets.
2406 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
2407 Fixup explicit subregs in rtl to use byte offsets.
2408 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
2409 and remove byte endian correction code.
2410 * config/sh/sh.c (output_movedouble): Use subreg_regno.
2411 (gen_ashift_hi): Use SUBREG_BYTE.
2412 (regs_used): Use subreg_regno_offset.
2413 (machine_dependent_reorg): Use subreg_regno_offset.
2414 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
2415 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
2416 (movdf_i4): Subregs are byte offsets now.
2417 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
2418 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
2419 (REGMODE_NATURAL_SIZE): Override.
2420 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
2421 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
2422 with byte offsets.
2423 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
2424 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
2425 extendqidi2): Generate SUBREGs with byte offsets, also make sure
2426 it is congruent to SUBREG's mode size.
2427 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
2428 offsets.
2429 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
2430 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
2431 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
2432 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
2433 * config/v850/v850.c (print_operand, output_move_double): Use
2434 subreg_regno function.
2436 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
2438 * configure.in (target_subdir): Use target_alias, not target.
2439 * configure: Rebuilt.
2441 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
2442 other way round.
2443 * config/sh/crti.asm: Fix typos in comments.
2445 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2447 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
2448 TARGET_FAST_INDIRECT_CALLS.
2449 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
2450 -fPIC. Don't warn.
2451 (return_addr_rtx): Short circuit export stub matching when
2452 TARGET_NO_SPACE_REGS.
2453 (output_millicode_call): For out of range calls, make -fPIC
2454 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
2455 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
2456 * pa.md: Modify length attr calculation of all millicode insns to
2457 match above.
2459 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
2461 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
2462 Require at least 2.11 in the version test. Specifically check
2463 for and reject GAS version 2.10.90.
2464 * configure: regenerate.
2466 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2468 * pa.c (override_options): Remove PIC profiling warning.
2469 (hp_profile_labelno): Delete.
2470 (hp_profile_label_rtx): Delete.
2471 (hp_profile_label_name): Delete.
2472 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
2473 (output_function_prologue): Remove profiling code and all tests on
2474 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
2475 merge_sp_adjust_with_store can work for PIC and profiling.
2476 (hppa_expand_epilogue): Remove profile_flag test.
2477 (hppa_can_use_return_insn_p): Likewise.
2478 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
2479 cater for PROFILE_HOOK.
2480 (hppa_profile_hook): New function.
2481 * pa.h (FUNCTION_PROFILER): Now does nothing.
2482 (PROFILE_HOOK): Define.
2483 (hppa_profile_hook): Declare.
2484 (PROFILE_BEFORE_PROLOGUE): Delete.
2485 (ASM_OUTPUT_REG_PUSH): Delete.
2486 (ASM_OUTPUT_REG_POP): Delete.
2487 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
2488 r24. Accept function name operand, and use this and a locally
2489 generated label to calculate pc-rel offset to func start.
2491 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2493 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
2494 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
2495 $(SYSTEM_H).
2497 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2499 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
2500 LO_SUM cases to where they belong.
2502 2001-04-02 Richard Henderson <rth@redhat.com>
2504 * except.h (lang_eh_type_covers): Mark extern.
2505 (lang_eh_runtime_type): Likewise.
2507 2001-04-02 Zack Weinberg <zackw@stanford.edu>
2509 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
2510 gengenrtl.c: Wrap generated header in multiple-include guard.
2511 Improve error checking.
2513 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2515 * configure.in: Don't check for putenv.
2516 * configure: Regenerate.
2517 * gcc.c (putenv): Don't define.
2518 * vax/xm-vms.h: Handle putenv.
2520 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2522 * ifcvt.c (noce_emit_move_insn): New.
2523 (noce_try_store_flag, noce_try_store_flag_constants,
2524 noce_try_store_flag_inc, noce_try_store_flag_mask,
2525 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
2526 noce_try_abs): Use it.
2527 (noce_process_if_block): Likewise.
2528 For STRICT_LOW_PART, take mode from its SUBREG.
2530 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2532 * fold-const.c (fold): Before optimizing unsigned comparison with
2533 0x7fffffffU, make sure arg0 is integral type.
2535 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
2537 * c-tree.texi: Document representation of wide strings.
2539 2001-04-01 Richard Henderson <rth@redhat.com>
2541 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
2543 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
2545 * i386.md: remove obsoleted comments.
2546 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
2547 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
2548 fix output template.
2550 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
2552 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
2554 2001-03-30 Bernd Schmidt <bernds@redhat.com>
2556 * loop.c (load_mems): When generating a load from a pseudo, update
2557 REGNO_LAST_UID.
2559 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2561 * i386.c (ix86_split_long_move): Use change address to compensate
2562 stack pointer change in push instruction.
2564 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2566 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
2567 instead of rtx_equal_p; fix the output template.
2569 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2571 * i386.c (ix86_expand_setcc): Support 64bit.
2572 (ix86_expand_int_movcc): Likewise.
2573 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
2574 New patterns.
2576 * i386.md (allocate_stack_worker): Turn to expander.
2577 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
2579 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
2581 2001-03-29 Richard Henderson <rth@redhat.com>
2583 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
2585 2001-03-28 Matthew Hiller <hiller@redhat.com>
2587 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
2588 output template.
2590 * MAINTAINERS: Added self.
2592 2001-03-28 Richard Henderson <rth@redhat.com>
2594 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
2595 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
2597 2001-03-28 Jim Wilson <wilson@redhat.com>
2599 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
2600 operand_subword.
2602 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2604 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
2606 * tradcif.y (yyerror): Likewise. Add format specifier in call to
2607 `error'.
2609 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
2611 2001-03-28 DJ Delorie <dj@redhat.com>
2613 * Makefile.in (stage1_build): Revert CFLAGS patch.
2615 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
2617 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
2618 when multiplier or multiplicand is zero.
2620 2001-03-28 Bernd Schmidt <bernds@redhat.com>
2622 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
2624 * config/ia64/ia64.c (update_set_flags): New function, broken out of
2625 rtx_needs_barrier.
2626 (set_src_needs_barrier): Likewise.
2627 (rtx_needs_barrier): For SET case, use these two functions. Rework
2628 PARALLEL case to handle all inputs before all outputs.
2629 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
2630 saw a label and no stop bit since then.
2631 (maybe_rotate, process_epilogue): Add prototypes.
2633 2001-03-28 Richard Henderson <rth@redhat.com>
2635 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
2636 not TARGET_TOC for special toc restore handling.
2637 * config/rs6000/rs6000.md (eh_return): Likewise.
2639 2001-03-28 Richard Henderson <rth@redhat.com>
2641 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
2642 current_function_calls_eh_return.
2643 (output_function_epilogue): Handle eh_return.
2644 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
2645 (EH_RETURN_DATA_REGNO): New.
2646 (EH_RETURN_STACKADJ_RTX): New.
2647 (EH_RETURN_HANDLER_RTX): New.
2648 * config/sparc/sparc.md (call/short branch peepholes): Check
2649 can_throw_internal instead of in_same_eh_region.
2651 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
2652 for eh_return data registers.
2653 (rs6000_emit_prologue): Save eh_return data registers.
2654 (rs6000_emit_epilogue): Force inline restores if eh_return.
2655 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
2656 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
2657 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
2658 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
2659 the target uses one.
2660 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
2661 (return_eh_si, return_eh_di): Remove.
2662 (eh_return): New, from corpse of eh_epilogue.
2663 (eh_set_lr_si, eh_set_lr_di): New.
2665 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
2666 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
2667 True for pic register if current_function_calls_eh_return.
2668 (ix86_expand_epilogue): Change "emit_return" argument into "style".
2669 Handle eh_return requirements.
2670 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
2671 (EH_RETURN_STACKADJ_RTX): New.
2672 * config/i386/i386.md (exception_receiver): Remove.
2673 (eh_return, eh_return_1): New.
2674 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2676 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
2677 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
2678 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
2679 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
2680 (EH_RETURN_DATA_REGNO): New.
2681 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
2682 * config/alpha/alpha.md (eh_epilogue): Remove.
2683 (exception_receiver): Use $26 for ldgp input.
2684 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2686 2001-03-28 Richard Henderson <rth@redhat.com>
2688 * except.c: Rewrite entirely for IA-64 ABI exception handling.
2689 * except.h: Likewise.
2691 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
2692 (LIB2ADDEHDEP): New.
2693 (LIB2FUNCS_EH): Remove.
2694 (LIB2ADD): Remove LIB2ADDEH.
2695 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
2696 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
2697 (crt{begin,end}[S].o): Likewise.
2698 (except.o): Update includes.
2699 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
2700 (libgcc2_c_dep): Use LIB2ADDEHDEP.
2702 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
2703 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
2704 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
2705 * builtins.c (expand_builtin): Implement it.
2706 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
2707 * c-common.c (c_common_nodes_and_builtins): Declare it.
2708 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
2709 * calls.c (libfunc_nothrow): Remove.
2710 (emit_library_call_value_1): Don't call it.
2711 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
2712 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
2713 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
2714 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
2715 (current_funcdef_number): Globalize.
2716 (output_call_frame_info): Emit frame data if an lsda is needed.
2717 Generate augmentation for personality routine. Don't play with
2718 difference symbols.
2719 (dwarf2out_begin_prologue): Record funcdef_number.
2720 * dwarf2out.h (current_funcdef_number): Declare.
2721 * expr.c (expand_expr): Update for except.h name changes.
2722 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
2723 * expr.h (LTI_throw, LTI_rethrow): Remove.
2724 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
2725 (LTI_eh_rtime_match): Remove.
2726 (LTI_unwind_resume, LTI_eh_personality): Add.
2727 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
2728 * final.c (final): Don't call check_exception_handler_labels,
2729 init_insn_eh_region, or free_insn_eh_region.
2730 (final_scan_insn): Always emit debug labels for
2731 NOTE_INSN_EH_REGION notes.
2732 * flags.h (flag_new_exceptions): Remove.
2733 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
2734 (record_active_eh_regions): Remove.
2735 (count_basic_blocks): Check all instructions for REG_EH_REGION.
2736 Use can_throw_internal.
2737 (find_basic_blocks_1): Likewise.
2738 (move_stray_eh_region_notes): Remove.
2739 (find_label_refs): No eh_return_stub_label.
2740 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
2741 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
2742 changes.
2743 (delete_unreachable_blocks): Don't track deleted handlers.
2744 (flow_delete_block): Use maybe_remove_eh_handler.
2745 (delete_eh_regions): Remove.
2746 (merge_blocks): Don't check for eh region match.
2747 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
2748 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
2749 (init_propagate_block_info): Disable dead frame store optimization
2750 when current_function_calls_eh_return.
2751 (dump_bb): Don't print eh_beg, eh_end.
2752 * function.c (fixup_var_refs): No catch_clauses.
2753 (expand_function_end): Likewise. Call expand_eh_return before
2754 the return register use. Call sjlj_emit_function_exit_after.
2755 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
2756 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
2757 * ifcvt.c (dead_or_predicable): Remove eh region check.
2758 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
2759 Don't check for EH vs parameters.
2760 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
2761 (expand_inline_function): Call duplicate_eh_regions.
2762 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
2763 (copy_insn_notes): Remap REG_EH_REGION notes.
2764 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
2765 * integrate.h (struct inline_remap): Add local_return_label.
2766 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
2767 check_exception_handler_labels, nor exception_optimize.
2768 (find_cross_jump): No EH region check.
2769 * optabs.c (init_optabs): Update for changed eh libfuncs.
2770 * rtl.def (RESX): New.
2771 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
2772 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
2773 checks. Update for except.h name changes.
2774 (expand_cleanups): Likewise.
2775 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
2776 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
2777 (compile_file): Call init_eh before init_optabs. Don't
2778 output_exception_table here.
2779 (rest_of_compilation): Call convert_from_eh_region_ranges,
2780 convert_to_eh_region_ranges, output_function_exception_table.
2781 Don't emit_eh_context.
2782 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
2783 (EXC_PTR_EXPR): New.
2785 * md.texi (eh_epilogue): Remove.
2786 (eh_return): Document.
2787 * tm.texi (EH_RETURN_DATA_REGNO): Document.
2788 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
2790 * eh-common.h: Remove file.
2791 * frame-dwarf2.c, frame.c, frame.h: Remove files.
2792 * libgcc2.c (L_eh): Remove.
2794 * unwind-dw2-fde.c: New file, largely copied from frame.c.
2795 * unwind-dw2-fde.h: New file.
2796 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
2797 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
2798 * libgcc-std.ver: Update for eh symbols.
2800 2001-03-27 Richard Henderson <rth@redhat.com>
2802 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
2803 reduce false positives.
2804 (regmove_optimize): Disable if flag_non_call_exceptions.
2806 * stmt.c (expand_return): Remove always true predicate.
2807 (expand_decl_cleanup_no_eh): Remove dead code.
2809 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
2810 barrier code. Add a scheduling barrier if a non-call insn
2811 can throw internally.
2813 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
2814 Auto-inc addresses trap only if their base register does.
2816 * except.c (can_throw_internal): Rename from can_throw.
2817 * except.h, resource.c: Update references.
2819 * integrate.c (copy_insn_list): Use returnjump_p.
2820 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
2822 * function.h (struct function): Move all boolean valued fields
2823 to single bit fields at the end of the struct.
2825 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
2826 jump.c, toplev.c:
2827 Rename asynchronous_exceptions to flag_non_call_exceptions.
2829 * gthr-single.h (UNUSED): New. Distinguish between how C
2830 and C++ mark unused function arguments. Use throughout.
2832 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
2833 value to target configuration header.
2834 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
2835 * config.in, configure: Rebuild.
2836 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
2837 configuration and target defines.
2838 (exceptions_via_longjmp): Remove.
2839 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
2840 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
2842 * except.h (flag_non_call_exceptions): Move ...
2843 * flags.h: ... here.
2845 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
2846 exceptions, put the note on the trapping instruction.
2848 * flags.h (flag_new_exceptions): Remove.
2849 * toplev.c: Don't set it.
2850 * final.c: Don't check it.
2851 * except.c: Provide stub definition.
2853 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
2854 (calculate_global_regs_live): Kill call-clobbered registers
2855 across exception edges.
2856 * reg-stack.c (convert_regs_1): Kill the entire target stack
2857 across non-call exception edges.
2859 * flow.c (cleanup_cfg): Take no argument.
2860 * output.h, sibcall.c, toplev.c: Update all calls.
2862 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2864 * configure.in: Don't check for bcopy.
2865 * configure, config.in: Regenerate.
2867 * system.h: Don't define or prototype bcopy, instead poison it.
2869 2001-03-27 Richard Henderson <rth@redhat.com>
2871 * function.c (expand_function_start): Set DECL_REGISTER on
2872 a pseudo used for DECL_RESULT.
2874 * rtl.h (LCT_NORETURN): New.
2875 * calls.c (emit_library_call_value_1): Handle it.
2877 2001-03-27 Stan Shebs <shebs@apple.com>
2879 * objc/objc-act.c (objc_init): Use dump_base_name.
2880 (gen_declaration): Clear the buffer arg.
2881 (gen_declaration_1): New function, body of gen_declaration.
2882 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
2883 (gen_method_decl): Ditto, plus always clear buffer arg.
2884 (error_with_ivar): Simplify.
2885 (warn_with_method): Ditto.
2886 (build_message_expr): Don't clear buffers.
2887 (dump_interface): Ditto.
2888 (objc_debug): Ditto.
2889 (build_keyword_selector): Clear the buffer by only zeroing
2890 the first element.
2891 (objc_implementation_context): Declare.
2892 (start_class): Warn about missing @end.
2893 (finish_objc): Ditto.
2895 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
2897 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
2899 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2901 * Makefile.in (SYSTEM_H): Define.
2902 Depend on $(SYSTEM_H), not system.h.
2904 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
2906 2001-03-27 Jim Wilson <wilson@redhat.com>
2908 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
2909 IA64_UNWIND_EMIT.
2910 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
2911 (process_epilogue): New static function.
2912 (process_set): Call process_epilogue instead of emitting .restore
2913 directly.
2914 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
2916 * flow.c (struct reg_cond_life_info): New fields orig_condition
2917 and stores.
2918 (init_propagate_block_info): Set new fields.
2919 (mark_regno_cond_dead): Set and use new fields.
2920 (flush_reg_cond_reg_1): Likewise.
2921 (and_reg_cond, case AND): Check for redundant AND conditions.
2922 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
2923 Set new fields.
2925 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
2927 * cppmacro.c (stringify_arg): Null terminate strings.
2929 2001-03-27 Zack Weinberg <zackw@stanford.edu>
2931 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
2932 inclusion style. xm-m68hc11.h no longer exists.
2933 * config/m68hc11/xm-m68hc11.h: Delete file.
2934 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
2936 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
2937 Don't define GCC_VERSION, N_, or PARAMS; don't include
2938 gansidecl.h or stdio.h. Define inhibit_libc here.
2939 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2940 Delete code conditioned on #if GCC_VERSION == 2095.
2942 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
2943 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2944 Delete code conditioned on #if GCC_VERSION == 2095.
2946 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2948 * system.h: Include symcat.h.
2949 (STRINGIFY): Don't define.
2951 * configure.in: Adjust comment.
2953 * builtins.c: Use STRINGX, not STRINGIFY.
2954 * gencheck.c: Likewise.
2955 * gengenrtl.c: Likewise.
2956 * protoize.c: Likewise.
2958 * cpplex.c: Don't include symcat.h.
2959 * cpplib.c: Likewise.
2961 * gansidecl.h (HAVE_STRINGIZE): Don't define.
2963 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2965 * c-typeck.c (digest_init): Fold init expression.
2967 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2969 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
2971 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2973 * except.c (eh_regs): Save results of build_pointer_type to a temp
2974 as FUNCTION_VALUE macro may evaluate its args multiple times.
2976 2001-03-26 Mark Mitchell <mark@codesourcery.com>
2978 * c-common.h (DECL_NUM_STMTS): New macro.
2979 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
2980 DECL_FRAME_SIZE.
2981 (pushdecl): Likewise.
2982 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
2983 * integrate.c (expand_inline_function): Don't check
2984 DECL_FRAME_SIZE.
2985 * print-tree.c (print_node): Don't print it.
2986 * toplev.c (rest_of_compilation): Don't try to inline when
2987 flag_no_inline is on.
2988 * tree.h (DECL_FRAME_SIZE): Remove.
2989 (tree_decl): Adjust accordingly.
2991 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2993 * combine.c (try_combine): Use memcpy, not bcopy.
2995 * genattrtab.c (expand_units): Likewise.
2997 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2999 * i386.md (push mem DI peep2): New.
3000 (mov 0, mov -1 peep2): Handle 64bit.
3001 (lea to arithmetics peep2): Handle 64bit leas.
3002 (rsp arithmetics to push/pop peep2s): New.
3004 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
3006 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
3008 * i386.c (struct machine_function): Add save_varrargs_registers.
3009 (ix86_save_varrargs_registers): New macro.
3010 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
3011 (ix86_expand_prologue): Likewise.
3012 (ix86_emit_epilogue_esp_adjustement): Likewise.
3013 (ix86_expand_epilogue): Likewise.
3014 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
3015 (pro_epilogue_adjust_stack_1): New insn.
3016 (pro_epilogue_adjust_stack_rex64): Likewise.
3017 * i386.h (MASK_NO_RED_ZONE): New constant.
3018 (TARGET_RED_ZONE): New macro.
3019 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
3020 (RED_ZONE_SIZE): New constant.
3021 (RED_ZONE_RESERVE): New constant.
3023 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3025 * toplev.c (set_float_handler): Use memcpy, not bcopy.
3027 2001-03-25 Kazu Hirata <kazu@hxi.com>
3029 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
3030 space.
3031 (modqi3): Likewise.
3032 (umodhi3): Likewise.
3033 (modhi3): Likewise.
3035 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3037 * mkconfig.sh (DEFINES): Handle entries with '='.
3039 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
3040 Set xm_defines to MACRO=value instead.
3042 * i370/xm-mvs.h: Delete.
3044 * ns32k/xm-pc532-min.h: Likewise.
3046 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
3048 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
3049 shiftdi_operand;
3050 use ix86_expand_binary_operator
3051 (?sh??i_?): Disable for 64bit.
3052 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
3053 * i386.c (shiftdi_operand): New predicate.
3055 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
3056 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
3057 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
3058 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
3059 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
3060 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
3061 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
3062 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
3063 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
3064 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
3065 (rotldi3, rotrdi3): New expanders.
3067 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3069 * i386.md (movstrsi): Move offline.
3070 (movstrdi): New.
3071 (strmovdi_rex64): New.
3072 (strmov?i): Accept 64bit.
3073 (strmov?i_rex64): New.
3074 (strmov?i_rex_1): New.
3075 (strmov?i_1): Disable for 64bit.
3076 (rep_mov?i_rex64): New.
3077 (rep_mov?i): Disable for 64bit.
3078 (clrstrsi): Move offline.
3079 (strset?i_rex64): New.
3080 (strset?i: Accept 64bit.
3081 (rep_stos?i): Disable for 64bit.
3082 (rep_stos?i_rex64): New.
3083 (strset?i_rex_1): New.
3084 (strset?i_1): Disable for 64bit.
3085 (cmpstrsi): Accept 64bit.
3086 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
3087 (cmpstrqi_nz_rex_1): New.
3088 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
3089 (strlensi): Move offline.
3090 (strlendi): New.
3091 (strlenqi_1): Disable for 64bit; fix constraints.
3092 (strlenqi_rex_1): New.
3093 * i386.c (ix86_adjust_counter): New static function.
3094 (ix86_zero_extend_to_Pmode): Likewise.
3095 (ix86_expand_aligntest): Likweise.
3096 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
3097 (ix86_expand_movstr): New global function.
3098 (ix86_expand_clrstr): New global function.
3099 (ix86_expand_strlen): New global function.
3100 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
3101 ix86_expand_strlen): Declare.
3102 (ix86_expand_strlensi_unroll_1): Delete.
3104 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
3106 * i386.md (cmpdi): Fix operand predicates.
3107 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
3108 cmpdi_1_insn_rex64): New patterns.
3109 (adddi3): Turn to expander.
3110 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
3111 (addsi3_carry_zext): New pattern.
3112 (adddi_?_rex64): New patterns and splitters.
3113 (addsi_?_zext): New patterns.
3114 (subsi3_carry_zext): New pattern.
3115 (subdi_?_rex64): New patterns and splitters.
3116 (iorsi_?_zext): New patterns.
3117 (iordi_?_rex64): New patterns and splitters.
3118 (iorsi_?_zext): New patterns.
3119 (iorsi_?_zext_imm): New patterns.
3120 (xorsi_?_zext): New patterns.
3121 (xordi_?_rex64): New patterns and splitters.
3122 (xorsi_?_zext): New patterns.
3123 (negdi*): New patterns.
3124 (one_cmpldi*): Likewise.
3125 (one_cmplsi*_zext, negsi*_zext): Likewise.
3126 (testqi_ext_3_rex64): New pattern.
3128 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
3130 * i386-protos.h (ix86_split_long_move): Return void.
3131 * i386.c (ix86_split_to_parts): Handle 64bit target.
3132 (ix86_split_long_move): Likewise.
3133 * i386.md (all calls to ix86_split_long_move): Update.
3135 2001-03-23 Richard Henderson <rth@redhat.com>
3137 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
3138 to avoid shadowing arguments.
3140 2001-03-23 Jakub Jelinek <jakub@redhat.com>
3142 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
3143 to variable names where DECL_NAME is different from
3144 DECL_ASSEMBLER_NAME.
3146 2001-03-23 Jim Wilson <wilson@redhat.com>
3148 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
3149 (assemble_alias): Call make_decl_rtl.
3151 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
3153 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
3155 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
3157 * extend.texi: Document the "java_interface" attribute.
3159 2001-03-22 Zack Weinberg <zackw@stanford.edu>
3161 * mkconfig.sh: Use a subshell with redirected stdout,
3162 instead of closing stdout and confusing commands that run
3163 afterward. Throw away output of cmp.
3165 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
3167 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
3169 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
3171 * i386.md (zero_extendsidi2_32): Break out from ...
3172 (zero_extendsidi2): ... here ; turn to expander.
3173 (zero_extendsidi2_rex64): New.
3174 (extendsidi2_32): Break out from ...
3175 (extendsidi2): ... here ; turn to expander.
3176 (extendsidi2_rex64): New.
3177 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
3178 (trunc?f?f splitters): Add 64bit versions.
3180 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
3182 * i386.md (pushsi, pushsi2_prologue): Disable.
3183 (pushsi2_rex64): New.
3184 (movabs?i_1_rex64, movabs?i_2_rex64): New.
3185 (movqi_ext_1): Disable for 64bit.
3186 (movqi_ext_1_rex64): New.
3187 (pushdi2_rex64): New pattern, peep2s and splitter.
3188 (pushdi2_prologue_rex64): New pattern.
3189 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
3190 Likewise.
3191 (movdi splitters): Disable for 64bit.
3192 (movdi_1_rex64): New pattern, peep2s and splitters.
3193 (swapdi): New pattern.
3194 (pushsf): Disable for 64bit.
3195 (pushsf_rex64): New pattern and splitter.
3196 (pushdf_nointeger): Disable for 64bit.
3197 (pushdf_integer): Handle the 64bit case.
3198 (pushtf): Likewise; update splitters.
3200 2001-03-22 Richard Henderson <rth@redhat.com>
3202 * mkconfig.sh: Include insn-flags.h.
3203 * Makefile.in (CONFIG_H): Include insn-flags.h.
3204 (lots of objects): Remove insn-codes.h and insn-flags.h.
3206 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
3207 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
3208 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
3209 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
3210 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
3211 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
3212 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
3213 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
3214 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
3215 v850/v850.c, vax/vax.c:
3216 Don't include insn-flags.h.
3218 * diagnostic.c, expr.h, reload.c, toplev.c:
3219 Don't include insn-codes.h.
3221 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
3222 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
3223 c4x/c4x.c, i960/i960.c, mips/mips.c:
3224 Don't include insn-codes.h or insn-flags.h.
3226 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
3227 or insn-flags.h in the generated code.
3228 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
3229 (main): Forward declare struct rtx_def.
3231 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
3233 * invoke.texi (-ffast-math): Remove duplicate line about
3234 __FAST_MATH__.
3236 * gcc.texi: Remove more obsolete documentation of bugs and
3237 installation problems.
3239 2001-03-21 Kazu Hirata <kazu@hxi.com>
3241 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
3242 into two parts.
3244 2001-03-20 Jason Merrill <jason@redhat.com>
3246 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
3247 not '.' or '$'.
3248 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
3249 * varasm.c (CHKR_PREFIX): Likewise.
3251 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3253 * gcse.c (hash_scan_set): An expression is not anticipatible if it
3254 is part of a multi-SET insn.
3256 * cse.c (find_comparison_args): Remove previous change.
3257 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
3258 REG_EQUAL notes.
3260 * config/i386/i386.md (conditional_trap): Remove warning.
3262 * recog.c (push_operand): Fix error in last change that caused
3263 undefined symbol on many targets.
3265 * sdbout.c: #include ggc.h.
3266 (sdbout_init): Move to end of file.
3267 Call ggc_add_tree_root for anonymous_types.
3268 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
3269 (sdbout_one_type): Use DECL_NAME for field name.
3270 * Makefile.in (sdbout.o): Show includes ggc.h.
3272 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
3274 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
3275 (override_options): Use properlimits for preferred_stack_boundary.
3276 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
3277 on x86_64.
3278 (ext_register_operand): Accept DImode.
3279 (load_pic_register): Abort on 64bit.
3280 (gen_push): Use Pmode instead of SImode.
3281 (ix86_save_reg): Pic reg is never used on 64bit.
3282 (ix86_expand_prologue): Likewise.
3283 (ix86_emit_save_regs): Use Pmode instead of SImode.
3284 (legitimate_address_p): Check displacement for 64bit.
3285 (print_operand): Avoid outputting of (%rip) on 64bit.
3286 (print_operand_address): Output (%rip) where possible.
3287 (split_di): Abort on 64bit registers.
3288 (ix86_expand_branch): DImode comparison is simple for x86_64.
3289 (memory_address_length): Recognize memory addresses formed using
3290 PRE/POST modify.
3291 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
3292 for x86_64.
3293 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
3295 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
3297 * recog.c (push_operand): Recognize new format of push instructions.
3299 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
3301 * i386.md (pushqi1): New.
3302 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
3303 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3304 x86_64_immediate_operand, x86_64_immediate_operand,
3305 x86_64_zext_immediate_operand): Declare.
3306 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
3307 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
3308 x86_64_immediate_operand, x86_64_immediate_operand,
3309 x86_64_zext_immediate_operand): define.
3310 * i386.h (PREDICATE_CODES): Add new predicates.
3312 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
3314 * i386.md (pophi1, popqi1, pushqi1): Remove.
3316 * expr.c (emit_single_push_insn): New function.
3317 (move_by_pieces): Accept NULL as destination for push instructions.
3318 (gen_push_operand): Kill.
3319 (emit_push_insn): Pass NULL when pushing; avoid updating of
3320 stack_pointer_delta.
3321 * expr.h (gen_push_operand): Kill.
3323 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3325 * rtl.texi (COMPARE): Clarify documentation and reference section
3326 on comparisons.
3328 2001-03-20 Stan Shebs <shebs@apple.com>
3330 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
3331 (get_object_reference): Ditto.
3332 (error_with_ivar): Use error_with_file_and_line.
3333 (warn_with_method): Use warning_with_file_and_line.
3335 2001-03-20 Tom Tromey <tromey@redhat.com>
3337 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
3339 2001-03-20 Mark Mitchell <mark@codesourcery.com>
3341 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
3342 variables that are TREE_PUBLIC, even if not TREE_STATIC.
3344 2001-03-20 DJ Delorie <dj@redhat.com>
3346 * Makefile.in (install-libgcc): Pass complete list of variables.
3347 (install-multilib): Ditto.
3349 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3351 * config/i386/cygwin.h: Declare ctor_section, dtor_section
3352 drectve_section, switch_to_section.
3354 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
3355 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
3356 i386_pe_mark_dllimport.
3358 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3360 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
3361 functions i386_pe_*.
3363 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
3364 i386_pe_* functions with char * arguments.
3366 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
3368 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
3369 and store.
3370 (movsi_ie): Introduce fpul store.
3372 2001-03-20 Alan Modra <alan@linuxcare.com.au>
3374 * Makefile.in (OBJS): Remove hashtab.o.
3376 2001-03-19 Stan Shebs <shebs@apple.com>
3378 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
3379 * c-lang.c (maybe_objc_method_name): Ditto.
3380 * c-tree.h (maybe_objc_method_name): Remove decl.
3382 2001-03-19 Tom Tromey <tromey@redhat.com>
3384 * gcc.c (init_gcc_specs): Fix comment.
3386 2001-03-19 Mark Mitchell <mark@codesourcery.com>
3388 Compute DECL_ASSEMBLER_NAME lazily.
3389 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
3390 (DECL_ASSEMBLER_NAME_SET_P): New macro.
3391 (SET_DECL_ASSEMBLER_NAME): Likewise.
3392 (COPY_DECL_ASSEMBLER_NAME): Likewise.
3393 (set_decl_assembler_name): Declare.
3394 (lang_set_decl_assembler_name): Likewise.
3395 * tree.c (lang_set_decl_assembler_name): New variab.e
3396 (set_decl_assembler_name): New function.
3397 (init_obstacks): Set lang_set_decl_assembler_name.
3398 (build_decl): Don't set DECL_ASSEMBLER_NAME.
3399 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
3400 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
3401 where it's not necessary.
3402 (builtin_function): Likewise.
3403 (finish_decl): Likewise.
3404 * dbxout.c (dbxout_type_methods): Likewise.
3405 * ggc-common.c (ggc_mark_trees): Likewise.
3406 * profile.c (output_func_start_profiler): Likewise.
3407 * varasm.c (make_decl_rtl): Likewise.
3409 * cse.c (find_comparison_args): Update documentation. Fix
3410 mishandling of COMPARE operations.
3412 * tree.def (ABS_EXPR): Add documentation.
3413 * fold-const.c (fold): Improve folding of ABS_EXPRs.
3415 2001-03-19 Zack Weinberg <zackw@stanford.edu>
3417 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
3419 2001-03-19 Jakub Jelinek <jakub@redhat.com>
3421 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
3422 Remove ia32 linux PIC kludge and move it...
3423 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
3425 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
3427 * i386.md (absdf2 expander): Fix 64bit case.
3429 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
3431 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
3433 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
3435 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
3437 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3439 * README.X11: Remove obsolete file.
3441 2001-03-18 Anthony Green <green@redhat.com>
3443 * config/pj/pj.h: Remove some trailing commas.
3444 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
3446 2001-03-18 Richard Henderson <rth@redhat.com>
3448 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
3449 * calls.c: ... here.
3450 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
3451 defaults for them here.
3453 2001-03-17 Anthony Green <green@redhat.com>
3455 * config/pj/lib1funcs.S: Fix broken comment.
3456 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
3457 labels with '.'.
3459 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
3461 * gcc.texi: Remove obsolete information relating to build and
3462 installation problems with enquire or the Pyramid C compiler.
3464 2001-03-17 Richard Henderson <rth@redhat.com>
3466 * dwarf2out.c (queue_reg_save): New.
3467 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
3468 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
3469 dwarf2out_reg_save.
3470 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
3471 (cfa, cfa_store, cfa_temp): Make static.
3472 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
3474 2001-03-17 Richard Henderson <rth@redhat.com>
3476 * integrate.h (struct inline_remap): Add local_return_label.
3477 * integrate.c (expand_inline_function): Initialize it and emit
3478 it after copy_insn_notes.
3479 (copy_insn_list): Don't store local_return_label here.
3480 (copy_insn_notes): New function split out from copy_insn_list.
3482 2001-03-17 Richard Henderson <rth@redhat.com>
3484 * dwarf2out.c (lookup_filename): Emit .file if the assembler
3485 is generating .debug_line.
3486 (dwarf2out_init): Add main_input_filename to the file table first.
3487 * configure.in (as_dwarf2_debug_line): Test with file number 1
3488 instead of file number 0.
3490 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3492 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
3493 (gen_rtx_combine): Deleted; all references changed as appropriate.
3494 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
3496 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
3498 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
3500 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
3501 variable.
3503 2001-03-16 Jim Wilson <wilson@redhat.com>
3505 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
3506 then set it to LOC_REG (79) instead of aborting.
3508 2001-03-16 Phil Edwards <pme@sources.redhat.com>
3510 * gccbug.in: Remove high priority.
3512 2001-03-16 Richard Henerson <rth@redhat.com>
3514 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
3515 output with a space instead of deleting it.
3516 * configure: Regenerate.
3518 2001-03-16 Zack Weinberg <zackw@stanford.edu>
3520 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
3521 handles the gory details of converting an object file into
3522 something that's safe to grep.
3523 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
3524 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
3525 newlines at either end of the string we're looking for.
3526 Make 'checking ...' message less stilted.
3527 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
3528 ARM in-memory layout and its hypothetical converse. Don't
3529 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
3530 HOST_WORDS_BIG_ENDIAN.
3532 * configure.in: Adjust for renamed macro. Move
3533 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
3534 * configure, config.in: Regenerate.
3536 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3538 * fixinc/Makefile.in: Set SHELL.
3540 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3542 * fixinc/fixincl.c (fix_with_system): Quote file names before
3543 passing them to shell.
3545 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3547 * Makefile.in: Use fix-header$(build_exeext) instead
3548 of fix-header.
3550 2001-03-16 Richard Henderson <rth@redhat.com>
3552 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
3553 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
3554 (size_of_line_prolog): Remove.
3555 (output_line_info): Compute prologue size via label difference.
3556 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
3558 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
3559 assembler error when redefining file numbers.
3560 * config.in, configure: Rebuild.
3562 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
3563 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
3564 (dw2_asm_output_delta_uleb128): Likewise.
3565 (dw2_asm_output_delta_sleb128): Similarly.
3566 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
3568 2001-03-16 Michael Meissner <meissner@redhat.com>
3570 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
3571 warnings.
3572 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
3573 warnings.
3574 (BITMASK_LOWER16): Replacement for 0x0000ffff.
3576 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
3577 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
3578 being unsigned in ISO C and signed in traditional.
3579 (expand_prologue): Ditto.
3580 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
3582 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
3583 warnings.
3584 (divsi3,divdi3): Ditto.
3585 (modsi3,moddi3): Ditto.
3586 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
3587 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
3588 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
3589 warnings.
3591 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
3593 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
3594 SSE based conditional moves on LTGT/UNEQ conditions;
3595 Canonicalize EQ to NE.
3596 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
3597 (sse_mov?fcc_ne): New.
3599 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
3601 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3603 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
3604 register may be dead.
3606 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
3608 * Makefile.in (hash.o): Depend on CONFIG_H.
3610 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3612 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
3614 2001-03-15 Richard Henderson <rth@redhat.com>
3616 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
3617 (ASM_OUTPUT_DWARF_PCREL): New.
3618 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
3620 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3622 * cppfiles.c (stack_include_file): Use MAX of sysp.
3624 2001-03-15 Steve Ellcey <sje@cup.hp.com>
3626 * config.gcc (ia64*-*-hpux*): New case.
3627 * config/ia64/hpux.h: New file for HP-UX support.
3628 * config/ia64/t-hpux: New file for HP-UX support.
3630 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
3632 * fixinc/inclhack.def (irix_stdio_va_list): New.
3633 * fixinc/fixincl.x: Rebuilt.
3635 2001-03-15 Richard Henderson <rth@redhat.com>
3637 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
3638 if provided by the target.
3639 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
3640 (dw2_asm_output_addr): New.
3641 * dwarf2asm.h (dw2_asm_output_addr): Declare.
3642 * dwarf2out.c (output_cfi): Use it for program addresses.
3643 (output_call_frame_info, output_die): Likewise.
3644 (output_aranges, output_line_info): Likewise.
3646 2001-03-15 Bruce Korb <bkorb@gnu.org>
3648 * gcc.c(main): make more rigorous
3649 * collect2.c(main): guard against ignoring SIGCHLD
3650 * protoize.c(main): ditto
3651 * gcc/fixinc/fixincl.c(initialize): ditto
3653 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3655 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
3656 (sdbout_parms): Likewise.
3658 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
3660 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
3661 "widen" a destination that is already wider than a word. Also do
3662 not widen if LOAD_EXTEND_OP is NIL for the given mode.
3664 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3666 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
3668 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
3670 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
3672 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
3674 * i960.h (i960_maxbitalignment,
3675 i960_last_maxbitalignment): Declare.
3676 * i960.c (i960_maxbitalignment,
3677 i960_last_maxbitalignment): Make global.
3678 (process_pragma): Delete.
3679 (i960_pr_align, i960_pr_noalign): Move from here ...
3680 * i960-c.c: ... to this new file.
3681 * t-960bare (i960-c.o): New rule.
3682 * t-vxworks960 (i960-c.o): Likewise.
3683 * config.gcc (i960-*-*): Define c_target_objs and
3684 cxx_target_objs.
3686 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3688 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
3689 without adding in rtx code and mode.
3691 * alias.c (init_alias_analysis): Don't use any rtx whose value
3692 varies as a known value.
3693 Delete a superfluous test.
3695 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
3696 ia64_sched_reorder.
3697 (ia64_sched_reorder): Call maybe_rotate; also rotate after
3698 scheduling a stop bit.
3699 (ia64_emit_nops): Correctly handle ASMs.
3701 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3703 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
3705 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
3707 * cpp.texi: Update documentation for -include and -imacros.
3708 * cppfiles.c (struct include_file): Remove "defined" memeber.
3709 (find_or_create_entry): Make a copy of the file name, and
3710 simplify it.
3711 (open_file): Update to ensure we use the simplified filename.
3712 (stack_include_file): Don't set search_from.
3713 (cpp_included): Don't simplify the path name here.
3714 (find_include_file): New prototype. Call search_from to
3715 get the start of the "" include chain. Don't simplify the
3716 filenames here.
3717 (_cpp_execute_include): New prototype. Move diagnostics to
3718 do_include_common. Update.
3719 (_cpp_pop_file_buffer): Don't set defined.
3720 (search_from): New prototype. Use the preprocessor's cwd
3721 for files included from the command line.
3722 (read_name_map): Don't simplify the pathname here.
3723 * cpphash.h (enum include_type): New.
3724 (struct buffer): Delete search from. New search_cached.
3725 (_cpp_execute_include): Update prototype.
3726 * cppinit.c (do_includes): Use _cpp_execute_include.
3727 * cpplib.c (do_include_common): New function.
3728 (do_include, do_include_next, do_import): Use it.
3730 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3732 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
3733 contents of the RTL, to determine the name of the object.
3735 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3737 * tree.h (DECL_RTL): Allocate RTL lazily.
3738 (SET_DECL_RTL): New macro.
3739 (DECL_RTL_SET_P): Likewise.
3740 (COPY_DECL_RTL): Likewise.
3741 (DECL_RTL_IF_SET): Likewise.
3742 * varasm.c (make_decl_rtl): Add assertions about the kind of
3743 declaration we are processing.
3744 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
3745 (start_decl): Likewise.
3746 (finish_decl): Likewise.
3747 * c-semantics.c (emit_local_var): Likewise.
3748 * calls.c (expand_call): Likewise.
3749 * dbxout.c (dbxout_symbol): Likewise.
3750 * emit-rtl.c (unshare_all_rtl): Likewise.
3751 (unshare_all_decls): Likewise.
3752 (reset_used_decls): Likewise.
3753 * expr.c (store_constructor): Likewise.
3754 (safe_from_p): Likewise.
3755 (expand_expr): Likewise.
3756 * function.c (put_var_into_stack): Likewise.
3757 (instantiate_decls_1): Likewise.
3758 (assign_parms): Likewise.
3759 (expand_function_start): Likewise.
3760 (expand_function_end): Likewise.
3761 * ggc-common.c (gcc_mark_trees): Likewise.
3762 * integrate.c (function_cannot_inline_p): Likewise.
3763 (copy_decl_for_inlining): Likewise.
3764 (expand_inline_function): Likewise.
3765 (integrate_parm_decls): Likewise.
3766 (integrate_decl_tree): Likewise.
3767 * print-tree.c (print_node): Likewise.
3768 * reg-stack.c (stack_result): Likewise.
3769 * stmt.c (label_rtx): Likewise.
3770 (expand_return): Likewise.
3771 (expand_decl): Likewise.
3772 (expand_decl_cleanup): Likewise.
3773 (expand_anon_union_decl): Likewise.
3774 * toplev.c (check_global_declarations): Likewise.
3775 (rest_of_decl_compilation): Likewise.
3776 * tree.c (simple_cst_equal): Likewise.
3777 * objc/objc-act.c (generate_static_references): Likewise.
3779 2001-03-14 Zack Weinberg <zackw@stanford.edu>
3781 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
3782 gcc_AC_C_FLOAT_FORMAT): New macros.
3783 * configure.in: Add AC_PROG_CPP after CC tests;
3784 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
3785 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
3786 * configure, config.in: Regenerate.
3788 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
3789 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3790 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3791 config/i370/xm-linux.h, config/i370/xm-oe.h,
3792 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3793 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
3794 config/pa/xm-linux.h, config/pa/xm-pa.h,
3795 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
3796 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
3797 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
3798 config/we32k/xm-we32k.h: Delete.
3800 * config/i370/xm-mvs.h, config/m88k/m88k.h,
3801 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3802 config/vax/xm-vms.h: Don't define any of:
3803 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
3805 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
3807 * config.gcc: Remove references to deleted files.
3808 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
3809 FATAL_EXIT_CODE, which is the same between oe and mvs).
3811 2001-03-14 DJ Delorie <dj@redhat.com>
3812 Vladimir Makarov <vmakarov@redhat.com>
3814 * config/i960/i960.c (i960_function_prologue): Compute size of
3815 frame according to number of registers actually saved there.
3817 2001-03-14 Richard Henderson <rth@redhat.com>
3819 * expr.c (emit_move_insn_1): Fix else if around #endif.
3821 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
3822 Vojtech Pavlik
3824 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
3825 constraints.
3827 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
3829 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
3830 (override_options): Parse cmodel string.
3831 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
3832 * i386.h (TARGET_OPTIONS): Add "cmodel".
3833 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
3834 (enum cmodel): New.
3835 (ix86_cmodel_string, ix86_cmodel): Declare.
3837 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
3839 Spot by Matt Kraai:
3840 * i386.h (GENERAL_REG_P): Add missing REG_P.
3842 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
3844 * configure.in: Use $gcc_cv_as instead of $as.
3845 * configure: Regenerated.
3847 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
3849 * cppfiles.c (stack_include_file): Only increase the include
3850 count if we actually process the file properly, as opposed
3851 to treating it as length zero. Only call read_include_file
3852 if not DO_NOT_REREAD. Handle the -H include file output
3853 here.
3854 (read_include_file): Remove now redundant DO_NOT_REREAD check.
3855 (cpp_included, find_include_file): Simplify pathnames after
3856 remapping them. If remapping, don't use the remapped file
3857 name's buffer as our scratch buffer.
3858 (cpp_pop_file_buffer): Replace the multiple include macro
3859 only if it isn't yet set.
3860 (read_name_map): Simplify remapped names when reading in.
3861 (remap_filename): Move code to code path that uses it.
3862 (_cpp_simplify_pathname): Return the input pointer.
3863 * cpphash.h (_cpp_simplify_pathname): Update prototype.
3865 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3867 * expr.c (expand_expr): Revove bogus conditional.
3869 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
3871 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
3873 2001-03-14 Jakub Jelinek <jakub@redhat.com>
3875 * reg-stack.c (stack_result): Unconditionally use
3876 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
3878 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
3880 * expr.c (emit_move_insn_1): Split push of complex value when
3881 no suitable push instruction exist.
3883 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
3884 instead of QI_REG_P.
3886 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3888 * alias.c (handled_component_p, can_address_p): New functions.
3889 (get_alias_set): Use them.
3891 2001-03-13 Jim Wilson <wilson@redhat.com>
3893 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
3894 from 80 in try_locals code.
3895 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
3897 2001-03-13 Zack Weinberg <zackw@stanford.edu>
3899 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
3900 gcc_AC_C_LONG_LONG): New.
3901 * configure.in: Use them. Probe the size of short, int, long,
3902 and long long/__int64 if we have them. Move all the AC_C_*
3903 checks together, except gcc_AC_C_CHAR_BIT which has to go
3904 after AC_CHECK_HEADERS(limits.h).
3905 Take hwint.h out of host_xm_file and build_xm_file.
3907 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
3908 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
3909 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
3910 Move the HOST_WIDEST_INT setup logic here from system.h.
3911 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
3912 defined.
3913 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
3914 is now handled by hwint.h.
3916 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
3917 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
3918 config/ia64/xm-ia64.h: Don't define any of:
3919 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
3920 HOST_BITS_PER_LONGLONG.
3922 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
3923 config/h8300/xm-h8300.h, config/mips/iris6.h,
3924 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
3925 config/sparc/xm-sp64.h: Delete.
3926 * config.gcc: Remove references to deleted files.
3928 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
3929 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
3930 * config/i370/xm-linux.h: Clarify floating-point situation in
3931 a comment.
3933 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
3935 * cppfiles.c (NO_INCLUDE_PATH): New macro.
3936 (find_include_file): Decide here which part of the include
3937 chain to start the search. Complain about an empty include
3938 chain in all cases apart from an abolsute file name.
3939 (_cpp_execute_include): Don't choose the search chain here.
3940 Don't call handle_missing_include in the case of an empty
3941 include chain.
3942 (_cpp_compare_file_date): Don't choose the search chain here.
3943 * cpplib.c (do_include_next): Move the in-main-file diagnostic
3944 here from _cpp_execute_include. Behave like #include if
3945 we're in the main file.
3947 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3949 * system.h (malloc, realloc, calloc, strdup): Only poison these
3950 tokens when IN_GCC is defined.
3952 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
3954 * i386.md (abs?f expander): Support SSE case.
3955 (abd?f_if): Add new "USE"; add splitters.
3957 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3959 * cpp.texi (poison): Explain the macro expansion exception.
3961 2001-03-13 Jakub Jelinek <jakub@redhat.com>
3963 * expr.c (store_expr): Add dont_store_target. If temp is already in
3964 target before copying to reg, don't store it into target again.
3966 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3968 * cppinternals.texi: Update for file handling.
3970 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3972 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
3973 2001-02-24 which broke building the Java library.
3974 * function.c (identify_blocks): Likewise.
3975 (all_blocks): Likewise.
3976 * integrate.c (integrate_decl_tree): Likewise.
3977 * print-tree.c (print_node): Likewise.
3978 * tree.h (BLOCK_NUMBER): Likewise.
3979 (struct tree_block): Likewise.
3981 2001-03-12 David Edelsohn <edelsohn@gnu.org>
3983 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
3984 __WCHAR_TYPE__ definition.
3985 (WCHAR_TYPE_SIZE): #undef before #define.
3987 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3989 * cppfiles.c: Update comments.
3990 (destroy_include_file_node): Rename destroy_node.
3991 (find_or_create_entry): New function.
3992 (open_file, _cpp_fake_include): Use it.
3993 (handle_missing_header): New function, broken out of
3994 _cpp_execute include. Don't segfault if there is no
3995 system or quoted path.
3996 (_cpp_execute_include): Use handle_missing_header.
3998 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
4000 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
4001 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
4003 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4005 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
4006 unless anti_dependence says they are.
4007 * alias.c (objects_must_conflict): If neither has a type specified,
4008 they must conflict.
4010 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4011 David Billinghurst <David.Billinghurst@riotinto.com>
4013 * config/mips/iris5.h: Change WCHAR_TYPE to int.
4015 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
4017 * i386.md (trunctfdf2_2): Rename missnamed pattern.
4018 (*_one_bit): Remove type on the match_operand in attributes.
4020 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
4022 * i386.c: Commit forgotten hunk in previous patch.
4023 (regclass_map): Add extended registers.
4024 (dbx_register_map): Add missing frame register.
4026 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
4028 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
4030 * i386.md (x86_sahf_1): Disable for 64bit.
4031 (popsi*, pophi*): Likewise.
4032 (pushqi, pushhi): Likewise.
4033 (movdi, pushdi): Likewise.
4034 (zero extend DImode splitter): Likewise.
4035 (adddi, minusdi splitter): Likewise.
4036 (umulsidi): Likewise.
4037 (umulsi): New.
4038 (mulsidi): Disable for 64bit
4039 (lshift:DI/ashift:DI): Disable for 64bit.
4040 (loop patterns): Likewise.
4041 (call_pop, call_value_pop expanders and patterns): Likewise.
4042 (prologue_get_pc): Likewise.
4043 (leave): Likewise.
4044 (fcmovDI pattern and splitter): Likewise.
4045 (movdfcc_1_rex64): New.
4047 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
4049 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
4050 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
4051 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
4052 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
4053 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
4054 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
4055 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
4056 (PUSH_ROUNDING): x86_64 rounds to 64bits.
4057 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
4058 (REGPARM_MAX): Set to 6 for x86_64.
4059 (SSE_REGPARM_MAX): Set to 16 for x86_64.
4060 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
4061 registers.
4063 * (patterns that does use upper halves): Update constraints
4064 'q' to 'Q' and 'r' to 'R'.
4065 (cmpqi_ext_1): Disable for 64bit.
4066 (cmpqi_ext_3_insn): Likewise.
4067 (movqi_extzv_1): Likewsie.
4068 (addqi_ext_1): Liekwsie
4069 (testqi_ext_1): Liekwsie
4070 (andqi_ext_1): Liekwsie
4071 (xorqi_ext_1): Liekwsie
4072 (cmpqi_ext_1_rex64): New.
4073 (cmpqi_ext_3_insn_rex64): Likewise.
4074 (movqi_extzv_1_rex64): Likewsie.
4075 (addqi_ext_1_rex64): Liekwsie
4076 (testqi_ext_1_rex64): Liekwsie
4077 (andqi_ext_1_rex64): Liekwsie
4078 (xorqi_ext_1_rex64): Liekwsie
4080 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4082 * configure.in: Move check for unsigned enumerated bitfields
4083 to macro in aclocal.m4. Disable it for now.
4084 * configure, config.in: Regenerate.
4085 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
4086 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
4087 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
4088 kind above its first use.
4090 * config/xm-interix.h, config/alpha/xm-alpha.h,
4091 config/i370/xm-linux.h, config/i386/xm-beos.h,
4092 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
4093 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4094 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
4095 Don't define ONLY_INT_FIELDS under any circumstances.
4097 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
4099 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4100 config/sparc/xm-sysv4.h: Delete - now identical with some
4101 other xm header.
4102 * config.gcc (hppa targets): Replace xm-pahpux.h and
4103 xm-papro.h with implicit xm-pa.h.
4104 (sparc targets): Replace xm-sysv4.h with implicit or explicit
4105 xm-sparc.h.
4107 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
4109 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
4110 before reload_cse_noop_set_p.
4112 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4114 * config.gcc: Where xm-host.h used to include another
4115 xm-host.h, list the nested header directly in xm_file. Remove
4116 references to deleted files. Can now use sparc/xm-sp64.h for
4117 sparcv9-*-solaris*.
4119 * config/xm-linux.h, config/arm/xm-linux.h,
4120 config/i386/xm-dos.h, config/i386/xm-gnu.h,
4121 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
4122 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
4123 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
4124 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
4125 Delete.
4127 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
4128 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
4129 bother to wrap #undef in #ifdef.
4130 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
4131 Don't include xm-linux.h.
4132 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
4134 * configure.in: Wrap regexps using [] in changequote block.
4135 Use expr : not echo | grep. Simplify regexps.
4136 * configure: Regenerate.
4138 56 xm-files remain, 22 xm-arch.
4140 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4142 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
4143 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4144 (local_index, local_rindex): Delete, use strchr/strrchr instead.
4145 (copy_object): Fix format specifier vs argument mismatch.
4147 * mips-tdump.c: Make local functions static.
4148 (rindex): Don't #undef.
4149 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
4150 (fatal, fancy_abort): Delete.
4151 (read_seek): Avoid signed/unsigned compare.
4153 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4155 * combine.c (try_combine): Fix error in change to try original
4156 register.
4157 (gen_rtx_combine): Do same as gen_rtx for now.
4159 2001-03-11 Zack Weinberg <zackw@stanford.edu>
4161 * configure.in: AC_SUBST xm_defines.
4162 * configure: Regenerate.
4163 * Makefile.in: Set DEFINES=$(xm_defines) when building
4164 tconfig.h.
4166 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
4168 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
4169 (cpp_included, find_include_file): Update.
4170 (_cpp_compare_file_date): Make else unconditional.
4172 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
4174 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
4176 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4178 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
4179 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
4181 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
4183 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
4184 if it's a record type.
4186 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
4188 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
4189 mingw includes slightly.
4191 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4193 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
4194 #undef token before poisoning it.
4196 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4198 * alpha.c (check_float_value): Use memcpy, not bcopy.
4200 * m32r.c (m32r_sched_reorder): Likewise.
4202 * vax.c (check_float_value): Likewise.
4204 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4206 * toplev.c (file_name_nondirectory): Remove.
4207 * toplev.h: Similarly.
4208 * dwarf2out.c (compute_section_prefix): Use lbasename instead
4209 of file_name_nondirectory.
4211 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4213 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
4214 * mips-tfile.c: Don't #undef rindex; not used.
4216 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
4218 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
4219 (dbx64_register_map): Declare.
4220 (RETURN_ADDR_RTX): Fix for 64bit.
4221 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
4222 (INCOMING_FRAME_SP_OFFSET): Set to 8.
4223 * i386.c (dbx64_register_map): New global array.
4224 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
4225 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
4226 for 64bits.
4228 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
4230 * cppfiles.c (search_from): Use lbasename.
4231 * mkdeps.c (deps_add_default_target): Use lbasename.
4233 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4235 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
4236 xcalloc in lieu of malloc, realloc & calloc.
4238 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
4240 * gengenrtl.c (xmalloc): Likewise.
4242 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
4243 really_call_* memory allocation routines.
4245 * stmt.c (check_for_full_enumeration_handling): Use
4246 really_call_calloc, not calloc.
4248 * system.h (really_call_malloc, really_call_calloc,
4249 really_call_realloc): Define.
4250 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
4252 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
4254 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
4256 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
4258 * configure: Rebuilt.
4259 * configure.in: Only use `lang_requires' for languages athat are
4260 actually enabled.
4262 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
4264 * invoke.texi: Fix typo.
4265 * gcc.1: Regenerate.
4267 2001-03-09 Zack Weinberg <zackw@stanford.edu>
4269 * configure.in: Prune nonexistent files from build_xm_file,
4270 xm_file, and host_xm_file lists. Warn unless they're
4271 $cpu/xm-$cpu.h.
4272 Don't generate *config.h here.
4273 AC_SUBST all variables needed to generate *config.h.
4274 * configure: Regenerate.
4275 * mkconfig.sh: New helper script, from code removed from
4276 configure.in.
4277 * Makefile.in: Zap all MALLOC variables - no longer used
4278 anywhere, and malloc.c doesn't exist.
4279 Substitute in variables needed to generate *config.h.
4280 Stop lying about the dependencies contained in CONFIG_H and
4281 GCONFIG_H.
4282 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
4283 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
4284 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
4285 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
4286 $(TM_P_H), etc. as appropriate.
4288 * config.gcc: Zap references to deleted files.
4289 * ggc-none.c: Don't include rtl.h or tm_p.h.
4291 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
4292 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
4293 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
4294 config/i386/xm-linux.h, config/i386/xm-linux.h,
4295 config/i386/xm-next.h, config/i386/xm-openbsd.h,
4296 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
4297 Don't include i386/xm-i386.h.
4299 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
4300 config/i386/xm-i386.h, config/i860/xm-i860.h,
4301 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
4302 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4303 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
4304 Delete (empty except comments, #includes of other deleted
4305 files, and macros used nowhere).
4307 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
4309 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
4310 independent on TARGET_FLAGS.
4312 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
4314 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
4316 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
4317 extended ones.
4318 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
4319 TARGET_64BIT.
4320 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
4321 LAST_REX_SSE_REG): define.
4322 (enum reg_class): Add 'LEGACY_REGS'
4323 (REG_CLASS_CONTENTS): Likewise; add extended registers.
4324 (SSE_REGNO_P): Recognize extended registers.
4325 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
4326 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
4327 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
4328 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
4329 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
4330 REG_OK_FOR_STRREG_P): Remove.
4331 (HI_REGISTER_NAMES): Add extended registers.
4332 (ADDITIONAL_REGISTER_NAMES): Likewise.
4333 (QI_REGISTER_NAMES): Add 8bit extended registers.
4334 (DEBUG_REG): Support extended registers.
4335 * i386.c (regclass_map): Add extended registers.
4336 (dbx_register-map): Likewise.
4337 (svr4_dbx_register_map): Likewise.
4338 (print_reg): Support extended registers.
4339 (print_operand): Support 64bit operands.
4341 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
4343 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
4344 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
4345 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
4346 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
4347 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
4348 STACK_BOUNDARY): Set properly for 64bits.
4349 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
4350 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
4351 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
4352 (MOVE_MAX): Set to 16.
4353 (MOVE_MAX_PIECES): 8 for 64bit.
4354 (Pmode): Set to SImode.
4356 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
4358 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
4360 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
4362 * i386.h (mask_64bit): New constant.
4363 (target_64bit): New macro.
4364 (target_options): Add '64'/'32'
4365 (target_default): Define.
4366 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
4367 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
4368 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
4370 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
4372 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
4374 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
4376 * rtlanal.c (rtx_varies_p): Check operand 0 of a
4377 LO_SUM unless for_alias is set.
4379 2001-03-08 Stan Shebs <shebs@apple.com>
4381 * objc/objc-act.c: Fix old typos in comments, add comments for
4382 various functions.
4383 (hash_init): Fix file name in error message.
4384 (hash_enter): Ditto.
4385 (hash_add_attr): Ditto.
4386 (continue_class): Ditto.
4388 2001-03-08 Bruce Korb <bkorb@gnu.org>
4390 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
4391 wait4() can receive the signal.
4393 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4395 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
4396 entities.
4397 * fixinc/fixincl.x: Regenerate.
4399 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4401 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
4402 on Tru64 UNIX.
4403 * fixinc/fixincl.x: Regenerate.
4405 2001-03-08 Richard Henderson <rth@redhat.com>
4407 * configure.in (HAVE_AS_LEB128): New assembler check.
4408 * configure, config.in: Rebuilt.
4410 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
4412 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
4413 TFmode too.
4415 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4417 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
4418 references to the MAXPATHLEN macro.
4420 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
4421 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
4422 the POSIX macro.
4424 * config/i386/xm-gnu.h, config/xm-gnu.h,
4425 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
4426 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
4427 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
4428 and/or unused files.
4430 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
4431 doing so in various xm-*.h files.
4433 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4435 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
4437 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
4439 * configure.in (enable_shared): Support per-package shared-library
4440 enabling.
4441 * configure: Rebuilt.
4443 2001-03-07 David Edelsohn <edelsohn@gnu.org>
4445 * rs6000.md (cr logic): Add original POWER mnemonic alternative
4446 for crnot. Set operands[5] in splitter.
4448 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4450 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
4451 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
4452 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
4453 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
4454 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
4455 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
4456 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
4457 to the USG macro.
4459 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
4460 config/i370/xm-i370.h, config/i386/xm-dgux.h,
4461 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
4462 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
4463 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
4464 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
4465 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
4466 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
4467 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
4468 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
4469 Delete unused and/or empty files.
4471 * config.gcc: Define USG in xm_defines as appropriate. Define
4472 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
4473 macro. Remove deleted xm-* files from $xm_files variable.
4475 2001-03-07 Tom Tromey <tromey@redhat.com>
4477 * configure: Rebuilt.
4478 * configure.in: Allow config-lang.in to set `lang_requires' to list
4479 of other required languages.
4481 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
4483 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
4484 after its emitted.
4485 (output_prologue): Use xmalloc not oballoc.
4486 (output_epilog): Free a29k_first_epilogue_insn when finished.
4487 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
4489 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
4491 * builtins.c (expand_builtin_mathfn): Check
4492 flag_unsafe_math_optimizations, not flag_fast_math.
4493 (expand_builtin): Likewise
4494 * combine.c (combine_simplify_rtx): Likewise.
4495 (simplify_if_then_else): Likewise.
4496 * cse.c (fold_rtx): Likewise.
4497 * flags.h: Remove flag_fast_math. Add
4498 flag_unsafe_math_optimizations and flag_trapping_math.
4499 * fold-const.c (negate_expr): Check
4500 flag_unsafe_math_optimizations, not flag_fast_math.
4501 (invert_truthvalue): Likewise.
4502 (fold): Likewise. Before associating operands, check that
4503 code == MULT_EXPR, not code != MULT_EXPR.
4504 * ifcvt.c (noce_try_minmax): Check
4505 flag_unsafe_math_optimizations, not flag_fast_math.
4506 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
4507 * invoke.texi: Document -funsafe-math-optimizations and
4508 -fno-trapping-math. Change documentation for -ffast-math.
4509 * jump.c (reversed_comparison_code_parts): Likewise.
4510 (rtx_equal_for_thread_p): Likewise.
4511 * optabs.c (emit_conditional_move): Likewise.
4512 * simplify-rtx.c (simplify_binary_operation): Likewise.
4513 (simplify_relational_operation): Likewise.
4514 (simplify_ternary_operation): Likewise.
4515 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
4516 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
4517 Add trapping-math and unsafe-math-optimizations entries to f_options.
4518 (set_fast_math_flags): New, sets flags for -ffast-math.
4519 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
4520 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
4521 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
4523 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
4524 (alpha_emit_conditional_move): Initialize local_fast_math to
4525 flag_unsafe_math_optimizations, not flat_fast_math.
4526 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
4527 instead of setting flag_fast_math to 1.
4528 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
4529 not flag_fast_math.
4530 * config/i386/i386.c (override_options): Likewise
4531 * config/i386/i386.md: Likewise.
4532 * config/m68k/m68k.md: Likewise.
4533 * config/mips/mips.md: Likewise.
4534 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
4535 (rs6000_generate_compare): Likewise.
4537 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4539 * Makefile.in: Set RANLIB to @RANLIB@.
4540 Remove RANLIB_TEST.
4542 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4544 * fixinc/inclhack.def (djgpp_wchar_h): New test.
4545 * fixinc/fixincl.x: Regenerated.
4547 2001-03-07 Richard Henderson <rth@redhat.com>
4549 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
4551 2001-03-07 Richard Henderson <rth@redhat.com>
4553 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
4554 of block notes and exception handling notes.
4556 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
4557 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
4558 (compile_file): ... here.
4560 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4562 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
4564 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
4565 config.h now. Include libiberty.h to handle alloca.
4567 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4569 * c-parse.in (yylexname): New function, split out of _yylex.
4570 (objc_rid_sans_at): New table.
4571 (init_reswords): Initialize it.
4572 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
4573 retrieving the next token and checking it for significance as
4574 an ObjC keyword or string constant.
4576 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
4577 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
4579 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
4580 to CPP_OSTRING.
4582 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
4584 * config/m68k/m68k.c (const_uint32_operand): Accept any
4585 const_int on a 32-bit host.
4587 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
4589 * objc/objc-act.c (init_objc): Set save_lang_status,
4590 restore_lang_status, and mark_lang_status.
4592 2001-03-06 Krister Walfridsson <cato@df.lth.se>
4594 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
4596 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
4598 * cppinternals.texi: Update.
4600 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4602 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4603 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
4604 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
4605 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4606 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
4607 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4608 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
4609 config/i386/xm-i386.h, config/i860/xm-i860.h,
4610 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4611 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
4612 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4613 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4614 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4615 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4616 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
4617 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4618 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
4619 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4620 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4621 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
4622 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
4623 match the defaults provided in hwint.h.
4625 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4626 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
4628 * config.gcc (xm_file): Don't set to files which are deleted.
4630 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
4631 guard this file against these macros being undefined.
4633 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4635 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
4636 and DECL_DEFER_OUTPUT on the decl we create, before calling
4637 rest_of_decl_compilation.
4639 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4641 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
4642 AC_FUNC_ALLOCA.
4643 * configure, config.in: Regenerate.
4644 * config.gcc: Remove references to deleted files.
4646 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
4647 genrecog.c, rtl.c: Do not use alloca anywhere.
4649 * Makefile.in, build-make, system.h, config/x-interix,
4650 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
4651 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
4652 config/arc/xm-arc.h, config/arm/xm-arm.h,
4653 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4654 config/h8300/xm-h8300.h, config/i370/x-oe,
4655 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
4656 config/i386/x-ncr3000, config/i386/x-sco5,
4657 config/i386/xm-dgux.h, config/i860/x-sysv4,
4658 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
4659 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
4660 config/m68k/x-hp320g, config/m69k/x-mot3300,
4661 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
4662 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
4663 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
4664 config/m88k/x-sysv4, config/m88k/x-tekXD88,
4665 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4666 config/mips/x-iris, config/mips/x-iris3,
4667 config/mips/x-sni-svr4, config/mips/x-sysv,
4668 config/mips/xm-iris6.h, config/mips/xm-mips.h,
4669 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
4670 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
4671 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4672 config/pa/xm-papro.h, config/romp/xm-romp.h,
4673 config/rs6000/x-aix31, config/rs6000/x-aix41,
4674 config/rs6000/x-beos, config/rs6000/x-lynx,
4675 config/rs6000/x-mach, config/rs6000/x-rs6000,
4676 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
4677 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4678 config/sparc/x-sysv4, config/sparc/xm-linux.h,
4679 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
4680 config/vax/xm-vms.h: Eradicate all references to alloca and
4681 related stuff.
4683 * config/xm-alloca.h, config/clipper/x-clix,
4684 config/i386/xm-sysv4.h, config/i860/x-fx2800,
4685 config/i860/x-sysv3, config/m88k/x-sysv3,
4686 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
4687 (contained only alloca related hacks).
4689 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
4690 USE_C_ALLOCA.
4692 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
4694 * invoke.texi: Document __FAST_MATH__.
4696 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4698 * crtstuff.c: Restore include of auto-host.h.
4700 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
4702 Put main() in a separate file, so that the language
4703 front-end can use a different main().
4705 * main.c: New.
4706 * toplev.c: (main): Rename as toplev_main.
4707 * toplev.h: Declare toplev_main.
4708 * Makefile.in (OBJS): add toplev.o.
4709 (BACKEND): remove toplev.o, add main.o.
4711 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4713 * cppfiles.c (search_from): Special case the empty string.
4715 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4717 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
4718 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
4719 strlen or strcpy; we already know the length.
4720 (_cpp_compare_file_date): Similarly.
4721 * cpphash.h (struct cpp_reader): Delete done_initialising.
4722 (CPP_PREV_BUFFER): Delete.
4723 * cppinit.c (cpp_start_read): Don't set done_initialising.
4724 * cpplex.c (parse_string): Guarantee null-termination.
4725 (_cpp_equiv_toklists): Remove.
4726 * cpplib.c (glue_header_name): Null-terminate.
4727 (do_line): Don't leak memory.
4728 * cpplib.h (BT_WEAK): Delete.
4729 * cppmain.c (cb_ident): Strings are now null-terminated.
4731 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
4733 * gcc.c (convert_filename): Append executable suffix
4734 if NO_AUTO_EXE_SUFFIX is not defined.
4735 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
4736 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
4738 2001-03-03 David O'Brien <obrien@FreeBSD.org>
4740 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4741 * c-parse.gperf, c-gperf.h: Delete.
4742 (c-gperf.h was accidently re-added to the CVS repo in the rev
4743 1.16 commit by tromey)
4745 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4747 * cpplex.c (_cpp_lex_token): Don't warn about directives in
4748 macro arguments when looking for the '('.
4749 * cppmacro.c (funlike_invocation_p): Set parsing_args to
4750 2 when really parsing arguments; 1 when looking for '('.
4751 Always restore the lexer position.
4753 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4755 * longlong.h (umul_ppmm): Don't use a multiline string.
4757 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4759 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
4760 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
4761 t_bool in declaration because pcc can't combine volatile with typedef
4762 types.
4764 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
4766 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
4767 until when it is really needed.
4768 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
4769 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
4770 * i386.md (float?i?f splitter): Don't force source operand to memory
4771 for SSE.
4772 (sse_movdfcc): Fix constraint.
4773 (sse_movdfcc splitter): Handle properly the second alternative.
4775 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4777 * cpplex.c (parse_string): Unconditionally pedwarn.
4779 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4781 * cpp.texi: Update.
4782 * cppexp.c (parse_number): Update.
4783 * cpplex.c (parse_string): Pedwarn if multiline string does not
4784 result from a system header's macro.
4785 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
4786 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
4787 for function-like macros too.
4788 * c-lex.c (lex_number): Update.
4790 2001-03-03 Richard Henderson <rth@redhat.com>
4792 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
4794 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
4796 * combine.c (try_combine): If split with mode-changed scratch
4797 register didn't work, try the original mode.
4799 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
4801 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
4802 * config/c4x/c4x.h: Likewise.
4803 * stor-layout.c (compute_record_mode): Likewise.
4804 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
4806 2001-03-02 Zack Weinberg <zackw@stanford.edu>
4808 * configure.in: Kill tm.h. Include the files in the $tm_file
4809 list in all three of config.h, hconfig.h, tconfig.h, after the
4810 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
4811 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
4812 * configure: Regenerate.
4813 * Makefile.in (clean): Don't delete tm.h.
4815 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
4816 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
4817 those are not defined, set SEC and FEC to 0 and 1.
4818 * gcc.texi: Update to match.
4820 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
4821 * config/fp-bit.c, config/m68k/aux-crt2.asm,
4822 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
4823 Include tconfig.h, not tm.h.
4825 * config/xm-lynx.h, config/xm-std32.h,
4826 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4827 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
4828 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
4829 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4830 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4831 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4832 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
4833 config/i386/xm-i386.h, config/i860/xm-i860.h,
4834 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4835 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
4836 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4837 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4838 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4839 config/pa/xm-linux.h, config/pa/xm-pa.h,
4840 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4841 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
4842 config/pj/xm-pj.h, config/romp/xm-romp.h,
4843 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4844 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4845 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4846 config/v850/xm-v850.h, config/vax/xm-vax.h,
4847 config/we32k/xm-we32k.h:
4848 Don't include tm.h.
4849 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
4851 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
4852 config/i370/xm-oe.h: Don't include tm.h. Don't define
4853 SUCCESS_EXIT_CODE.
4854 * config/vax/xm-vms.h: Don't include tm.h.
4856 * config/xm-lynx.h, config/avr/xm-avr.h,
4857 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
4858 Delete; made empty by above changes.
4859 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4860 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
4861 Don't include config/xm-lynx.h or tm.h.
4863 * config/xm-gnu.h: Don't include fcntl.h.
4864 * config/sparc/xm-lynx.h: Don't include sys/types.h and
4865 sys/wait.h.
4866 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
4868 2001-03-02 Richard Henderson <rth@redhat.com>
4870 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
4871 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
4873 2001-03-02 Richard Henderson <rth@redhat.com>
4875 * Makefile.in (OBJS): Add dwarf2asm.o.
4876 * dwarf2asm.c, dwarf2asm.h: New files.
4877 * dwarf2out.c (*): Use them.
4878 (size_of_uleb128, size_of_sleb128): Remove.
4879 (output_uleb128, output_sleb128): Remove.
4880 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
4881 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
4882 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
4883 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
4884 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
4885 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
4886 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
4887 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
4888 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
4889 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4890 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
4891 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
4892 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
4893 (dwarf2out_frame_debug): Remove unused variables.
4894 (output_loc_operands): Don't abort on 8 byte constants if
4895 host integers are wide enough.
4896 (output_symbolic_ref): Remove.
4897 (size_of_die): Don't assume 4 byte host integers.
4898 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
4899 and end labels.
4900 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
4901 something stupid with HOST_WIDE_INT to long truncation.
4902 [CONST_DOUBLE]: Likewise.
4904 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
4905 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4906 * config/arm/unknown-elf.h: Likewise.
4907 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
4908 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
4909 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
4910 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
4911 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
4912 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
4913 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
4914 (ASM_OUTPUT_DWARF_OFFSET): Remove.
4915 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
4916 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
4917 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
4918 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
4920 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4922 * cselib.c (hash_rtx): Cast enums to unsigned int.
4924 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4926 * print-rtl.c (print_rtx): Cast enums to int for comparison.
4927 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
4928 shifts.
4929 * c-format.c (C_STD_VER): Cast to int for comparisons.
4930 (check_function_format): Cast various enums to int for &.
4931 (maybe_read_dollar_number): Likewise.
4932 (check_format_info): Likewise.
4933 (check_format_info_main): Likewise.
4934 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
4935 (safe_from_p): Likewise.
4936 * varasm.c (const_hash): Cast enum to int for %.
4937 * emit-rtl.c (init_emit_once): Use int loop variable to work around
4938 pcc enum problems with < and ++ operators.
4939 * regclass.c (init_reg_sets_1): Cast enums for comparison.
4940 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
4941 (regclass_init): Change enum class to int to iterate over reg_classes.
4942 * genrecog.c (merge_trees): Cast enums for comparison.
4943 * rtl.h (GET_CODE): Cast to enum rtx_code.
4944 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
4945 (GET_MODE): Cast to enum machine_mode.
4946 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
4947 (GET_NOTE_INSN_NAME): Cast enum to int.
4948 * tree.h (TREE_CODE): Cast to enum tree_code.
4949 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
4950 * timevar.c (timevar_print): Change loop variable id from enum to
4951 unsigned int.
4952 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
4953 * config/i386/i386.md: Use PUT_MODE for mode assignment.
4954 * toplev.c (compile_file): Cast enum DFI to int.
4955 (decode_d_option): Likewise.
4957 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
4959 * cppinit.c (append_include_chain): Mark "after" include file name list
4960 as a system directory.
4961 * cpp.texi: Document new behavior.
4963 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
4965 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
4967 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
4969 * cppfiles.c (struct include_file): Update.
4970 (stack_include_file): Use search_from.
4971 (cpp_included, find_include_file): Update.
4972 (cpp_execute_include): Update. ptr->name may not be
4973 null terminated. Use the new search_from member variable
4974 of cpp_buffer.
4975 (_cpp_compare_file_date): Similarly.
4976 (search_from): New function, similiar to actual_directory.
4977 (actual_directory): Delete.
4978 (remap_filename): Update. loc->name may not be null terminated.
4979 (struct file_name_list): Rename search_path. Update.
4980 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
4981 search_from and dir.
4982 (struct cpp_reader): Remove actual_dirs.
4983 * cppinit.c (struct cpp_pending): Update for renamed objects.
4984 (append_include_chain, remove_dup_dir, remove_dup_dirs,
4985 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
4986 * cpplib.h (struct cpp_options): Similarly.
4988 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4990 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
4991 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
4992 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4993 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4994 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4995 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4996 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4997 config/i370/xm-linux.h, config/i370/xm-mvs.h,
4998 config/i370/xm-oe.h, config/i386/xm-aix.h,
4999 config/i386/xm-i386.h, config/i386/xm-osf.h,
5000 config/i860/xm-i860.h, config/i960/xm-i960.h,
5001 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5002 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
5003 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
5004 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
5005 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
5006 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5007 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5008 config/pj/xm-pj.h, config/romp/xm-romp.h,
5009 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5010 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5011 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5012 config/v850/xm-v850.h, config/vax/xm-vax.h,
5013 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
5014 Do not define TRUE or FALSE.
5016 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
5017 empty by above change.
5018 * config.gcc: Remove references to these files.
5020 * configure.in: Detect stdbool.h.
5021 * configure, config.in: Regenerate.
5022 * system.h: Include stddef.h here if available.
5023 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
5024 Then set up a sensible boolean type at the very end.
5026 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
5027 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
5029 * hash.h: Delete 'boolean' typedef and related #undefs.
5031 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
5032 all uses of 'boolean' with 'bool'.
5034 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5036 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
5037 * cppexp.c (lex): Cast enums for comparison.
5038 * cppinit.c (parse_option): Cast enum for comparison.
5039 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
5040 (cpp_output_token): Likewise.
5041 (cpp_can_paste): Cast enums for comparsion and plus/minus.
5042 (cpp_avoid_paste): Cast enums for minus and comparison.
5044 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5046 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
5047 field to all array elements.
5049 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5051 * cpphash.h (struct cpp_reader): Add print_version field.
5052 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
5053 just set print_version and other flags as appropriate.
5054 (cpp_post_options): Print version here if print_version is set.
5056 * toplev.c (exit_after_options): New flag.
5057 (independent_decode_option): Don't exit here; just set
5058 exit_after_options.
5059 (main): Exit after calling lang_hooks.post_options if
5060 exit_after_options is true.
5062 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
5063 (merge_include_chains): Adjust comment to match code.
5065 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5067 * stringpool.c (set_identifier): New function.
5068 * tree.h: Prototype it.
5070 * c-parse.in: Kill D_YES. If compiled for objc, call
5071 save_and_forget_protocol_qualifiers from init_reswords.
5072 * objc/objc-act.c (remember_protocol_qualifiers,
5073 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
5074 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
5075 vice versa.
5076 (save_and_forget_protocol_qualifiers): New function.
5077 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
5079 2001-03-01 Diego Novillo <dnovillo@redhat.com>
5081 * c-semantics.c (prune_unused_decls): Return error_mark_node
5082 instead of (tree) 1 to stop traversing the tree chain.
5084 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5086 Fix a problem introduced by Kenner's Feb 18 change.
5087 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
5088 flag_cse_skip_blocks only temporarily, not for ever.
5090 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
5092 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
5093 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
5095 * pa.c (emit_move_sequence): Verify operand0 is a hard register
5096 before determining its register class.
5098 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5100 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
5101 from reg 4 if current_function_calls_setjmp.
5102 (gen_nop_type): New function.
5103 (ia64_emit_nops): New function.
5104 (ia64_reorg): Call it.
5105 (ia64_sched_reorder): Move code that rotates bundles up a bit.
5107 * reload1.c (eliminate_regs_in_insn): Restrict the special case
5108 code not to try to optimize adds with anything but a REG destination.
5110 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
5111 (INSN_PRIORITY_KNOWN): New accessor macro.
5112 * haifa-sched.c (priority): Use it instead of testing priority against
5113 zero.
5115 2001-02-28 DJ Delorie <dj@redhat.com>
5117 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
5118 since that doesn't work the way gcc wants on a generic m68k.
5120 2001-02-28 Richard Henderson <rth@redhat.com>
5122 * caller-save.c (save_call_clobbered_regs): Fix typo in
5123 comparison last change.
5125 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
5127 * i386.c (pentium4_cost): New.
5128 (m_PENT4): New macro.
5129 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
5130 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
5131 x86_integer_DFmode_moves, x86_partial_reg_dependency,
5132 x86_memory_mismatch_stall): Add Pentium4
5133 (x86_use_q_reg, x86_use_any_reg): Kill.
5134 (override_options): Add pentium4.
5135 (incdec_operand): Return 0 for pentium4.
5136 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
5137 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
5138 (TARGET_PENTIUM4): Define.
5139 (enum processor_type): Add PROCESSOR_PENTIUM4.
5140 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
5141 * i386.md (attribute "cpu"): Add pentium4.
5142 * invoke.texi (march): Add pentium4.
5144 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
5146 * i386.md (sse_mov?fcc*): New patterns and splitters.
5147 * i386.c (ix86_expand_movcc): Work post-reload; recognize
5148 the SSE based conditional moves.
5150 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
5152 * i386.md (attribute mode): Add "TI".
5153 (movsf_1): Add pxor support; remove constant propagation splitter.
5154 (movdf_integer): Likewise.
5155 (movdf_nointeger): Likewise.
5156 (movxf constant prop splitter): Handle all modes; update for SSE.
5157 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
5158 * i386.c (standard_80387_constant_p): Rewrite.
5159 (standard_sse_constant_p): New.
5160 * i386-protos.h (standard_sse_constant_p): New.
5162 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
5164 * i386.md (sse_setccsf, sse_setccdf): New.
5165 (sse_cmp* patterns): Use '%D' instead of outputtting condition
5166 flag directly.
5167 * i386.c (sse_comparison_operator): Accept the supported unordered
5168 comparses; be ready for fast_math.
5169 (print_operand): Support 'D'.
5171 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
5173 * jump.c (reversed_comparison_code): Kill.
5175 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
5177 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
5178 for STACK_REGS
5180 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
5182 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
5183 add missing '%' in constraints.
5185 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
5187 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
5188 for HOST_BITS_PER_WIDE_INT == 32 too.
5190 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
5192 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
5193 NREGS.
5194 (insert_save, insert_restore): New parameter save_mode.
5195 (init_caller_save): Update initialization of reg_save_code
5196 and reg_restore_code.
5197 (save_call_clobbered_regs): Compute save_modes and update calls to
5198 reg_save_code and reg_restore_code.
5199 (insert_restore): Unsignetize numbers; use save_modes to choose mode
5200 of spill; update use of reg_restore_code.
5201 (insert_save): Likewise.
5202 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5203 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
5204 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
5206 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5208 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
5209 noce_try_store_flag_inc, noce_try_store_flag_mask,
5210 noce_try_cmove_arith):
5211 Use reversed_comparison_code instead of reverse_comparison and
5212 can_reverse_comparison_p.
5214 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
5216 * jump.c (reversed_comparison_code_parts): Allow reversal of
5217 unordered compares in -ffast-math mode; reverse ordered compares
5218 for FP even w/o -ffast-math.
5220 2001-02-27 Richard Henderson <rth@redhat.com>
5222 * print-rtl.c (print_rtx) [i]: Don't print field five on
5223 NOTEs other than NOTE_INSN_DELETED_LABEL.
5225 2001-02-27 Zack Weinberg <zackw@stanford.edu>
5227 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
5228 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
5230 2001-02-27 Diego Novillo <dnovillo@redhat.com>
5232 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
5233 even if walk_subtrees is 0.
5234 * c-semantics.c (prune_unused_decls): Return a non-null value to
5235 stop traversing the tree chain.
5237 2001-02-27 DJ Delorie <dj@redhat.com>
5239 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
5240 register, *then* define it as the new CFA.
5242 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
5244 * pa.c (override_options): Promote -fpic to -fPIC.
5245 (legitimize_pic_address): Simplify due to removal of
5246 small PIC as a code generation option.
5247 (secondary_reload_class): Similarly.
5248 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
5249 (PRINT_OPERAND_ADDRESS): Similarly.
5250 * pa.md (various patterns): Similarly.
5251 (small pic lo_sum pattern): Remove.
5253 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
5254 Fergus Henderson
5256 * md.texi (min, max): Document
5258 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
5260 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
5261 TARGET_PARTIAL_REG_DEPENDENCY.
5262 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
5264 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
5266 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
5268 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
5270 * mips.c (mips_make_temp_file): Fix thinko in last change.
5272 2001-02-26 Jason Eckhardt <jle@redhat.com>
5274 * combine.c (known_cond): Do not reverse the condition when
5275 SMAX/UMAX is being considered and the condition is for equality
5276 or inequality.
5278 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
5280 2001-02-26 Philip Blundell <philb@gnu.org>
5282 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
5283 "armv2-*-linux".
5284 * config/arm/linux-elf.h: Remove historical relics related to
5285 above configurations.
5286 * config/arm/linux-oldld.h: Delete.
5287 * config/arm/linux-elf26.h: Delete.
5289 2001-02-26 Jason Merrill <jason@redhat.com>
5291 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
5292 definitions.
5293 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
5294 recognize a tentative definition. Lose obsolete code.
5296 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
5297 variables unless necessary, either.
5299 2001-02-25 Richard Henderson <rth@redhat.com>
5301 * ifcvt.c (struct noce_if_info): Add test_bb.
5302 (noce_get_alt_condition): New.
5303 (noce_try_minmax, noce_try_abs): New.
5304 (noce_operand_ok): New.
5305 (noce_process_if_block): Use them.
5306 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
5308 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
5310 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
5311 include.
5313 2001-02-25 Zack Weinberg <zackw@stanford.edu>
5315 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
5316 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
5317 properly.
5318 (mips_asm_file_end): Free temp_filename here.
5320 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5322 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
5323 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
5325 * config/i386/i386.md (movstrsi): Handle FAIL case.
5327 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
5329 * cppinit.c (builtin_array): Update.
5330 (init_builtins): Flag builtins to warn if redefined or
5331 undefined. Define __GXX_WEAK as a normal macro.
5332 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
5333 * cpplib.h (NODE_WARN): New flag.
5334 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
5335 Handle __STDC__ as a builtin only on Solaris.
5336 (warn_of_redefinition): Renamed from check_macro_definition.
5337 Reverse sense of test. Always warn if NODE_WARN.
5338 (_cpp_create_definition): Use warn_of_redefinition. Flag
5339 any macro beginning with "__STDC_" to require a mandatory
5340 warning if redefined or undefined.
5342 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5344 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
5345 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
5346 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
5347 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
5348 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
5349 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
5350 Don't define any of:
5351 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
5352 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
5353 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
5354 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
5355 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
5357 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
5358 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
5359 definitions.
5361 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
5362 Delete now-empty file.
5364 * alpha/vms.h: Define NEED_ATEXIT here...
5365 * alpha/xm-vms.h: ...not here.
5367 * i386/cygwin.h: Don't define PARAMS.
5368 * mips/mips.c: Don't prototype mktemp. Don't define
5369 P_tmpdir. Use make_temp_file to create temporary files.
5370 Don't be clever and delete temporary files early.
5371 * config.gcc: Drop references to deleted files. Don't define
5372 FULL_PROTOTYPES.
5373 * gcc.texi: Don't mention USE_PROTOTYPES.
5375 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5377 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
5378 (ix86_set_move_mem_attrs_1): Likewise.
5379 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
5380 * config/i386/i386.md (movstrsi): Call it.
5382 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5384 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
5385 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
5386 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
5387 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
5389 (i750a-*-*): Error here if hosting on i750a.
5390 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
5392 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
5393 Remove (empty modulo comments).
5395 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
5396 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
5397 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
5398 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
5399 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
5400 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
5402 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
5403 Remove reference to winnt.h in comment.
5404 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
5406 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5408 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
5409 used to set another biv.
5411 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5413 * tree.h (BLOCK_DEAD): New macro.
5414 (struct tree_block): New flag, dead_flag.
5415 * print-tree.c (print_node, case 'b'): Print missing fields.
5416 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
5417 * function.c (identify_blocks): Enable test for misplaced notes.
5418 (all_blocks): Skip BLOCK_DEAD blocks.
5419 * integrate.c (integrate_decl_tree): Likewise.
5421 * errors.c (internal_error, trim_filename): New functions.
5422 (fancy_abort): Call internal_error.
5423 * errors.h (internal_error, trim_filename): New declarations.
5425 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
5427 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
5428 2000-08-26's patch.
5429 (EXTRA_CONSTRAINT): Formatting changes.
5431 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5433 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
5435 2001-02-23 Per Bothner <per@bothner.com>
5437 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
5438 so they can be called from java/jvspec.c.
5439 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
5441 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
5443 * i386.c (ix86_frame): New structure.
5444 (ix86_compute_frame_size): Kill.
5445 (ix86_compute_frame_layout): New.
5446 (ix86_save_reg): New.
5447 (ix86_can_use_return_insn_p): Use frame layout stuff.
5448 (ix86_expand_prologue): Likewise.
5449 (ix86_expand_epilogue): Likewise.
5450 (ix86_initial_elimination_offset): Likewise.
5451 (ix86_nsaved_regs): Use ix86_save_reg.
5452 (ix86_emit_save_regs): Likewise.
5454 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
5456 * flow.c (find_sub_basic_blocks): New function.
5457 (split_block): Be ready for basic block introduced by CODE_LABEL.
5458 (commit_one_edge_insertion): Call find_sub_basic_block.
5460 * flow.c (make_edges): Add edge from entry for blocks starting with
5461 label having ALTERNATE_NAME
5463 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
5465 * function.c (epilogue_done): Be ready for first basic block not
5466 containing PROLOGUE_END note.
5467 (reposition_prologue_and_epilogue_notes): Avoid placing
5468 PROLOGUE_END note between BASIC_BLOCK.
5470 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
5472 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
5474 2001-02-21 DJ Delorie <dj@redhat.com>
5476 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
5477 check for current_function_has_nonlocal_goto from 1999-11-12.
5479 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5481 * diagnostic.c (trim_filename): No longer static.
5482 * toplev.h (trim_filename): Declare.
5483 * rtl.c (rtl_check_failed_bounds): Call internal_error.
5484 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
5485 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
5486 (rtvec_check_failed_bounds): Likewise.
5487 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
5489 * convert.c (convert_to_integer): Don't do unsigned unless result or
5490 both inputs are unsigned.
5492 * fold-const.c (fold_convert): Don't call size_int_type_wide if
5493 input overflows.
5495 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
5497 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
5499 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
5501 * Makefile.in (resource.o): Add params.h dependence.
5502 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
5503 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
5504 * resource.c: Add dependence on params.h.
5505 (current_live_regs): Fix explanatory comment.
5506 (find_basic_block): Add new parameter to permit limiting search
5507 for a BARRIER.
5508 (mark_target_live_regs): Add new argument to find_basic_block call.
5509 (incr_ticks_for_insn): Likewise.
5511 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5513 * diagnostic.c (output_to_stream): Rename to
5514 output_buffer_to_stream. Loses the stream parameter.
5515 (init_output_buffer): Set diagnosic_buffer's stream.
5516 (flush_diagnostic_buffer): Adjust.
5517 (default_print_error_function): Likewise.
5518 (finish_diagnostic): Likewise.
5519 (verbatim): Likewise.
5521 * diagnostic.h (struct output_buffer): Add `stream' field.
5522 (output_buffer_attached_stream): New macro.
5524 2001-02-23 Jakub Jelinek <jakub@redhat.com>
5526 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
5527 check if either operand is divisible by C.
5528 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
5529 If type is signed, consider negative numbers as well.
5531 2001-02-22 Richard Henderson <rth@redhat.com>
5533 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
5534 reach .text instead of gp-relative relocs.
5535 * config/ia64/crtend.asm (.init): Likewise.
5537 2001-02-22 Andreas Jaeger <aj@suse.de>
5539 * extend.texi (C++ Attributes): Fix typo.
5541 2001-02-21 David Mosberger <davidm@hpl.hp.com>
5543 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
5544 functions, drop current_function_args_info.words test.
5545 (ia64_compute_frame_size): Mark syscall_linkage functions as
5546 using eight input registers.
5548 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
5549 Bruce Korb <bkorb@gnu.org>
5551 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
5552 * fixinc/README: Document how to convert sed substitutions
5553 to format style c_fix-es.
5554 * fixinc/fixincl.x: regen
5556 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
5558 * gcc.c: Add comment explaining how to add a command-line option.
5559 Add title to specs language comment.
5561 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5563 * gcc.c (cc1_options): Add "-param".
5564 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
5565 (option_map): Likewise.
5566 * toplev.c (display_help): Add entry for "--param".
5567 (independent_decode_option): Fix typographical error.
5569 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
5570 Bernd Schmidt <bernds@redhat.com>
5571 Jan Hubicka <jh@suse.cz>
5573 * i386.c (function_arg_advance): Pass SSE arguments in registers.
5574 (function_arg): Likewise.
5576 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
5578 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
5580 2001-02-21 Kazu Hirata <kazu@hxi.com>
5582 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
5583 character.
5584 (xorsi3): Likewise.
5586 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
5588 * flow.c (init_propagate_block_info): Canon address and use single_set
5589 for killing dead memory stores.
5591 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5593 * Makefile.in (reorg.o): Add params.h dependence.
5594 * params.def: Fix typographical error in comment.
5595 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5596 * params.h: Modify introductory comment.
5597 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5598 * reorg.c: Add dependence on params.h.
5599 (redundant_insn): Add parameterized throttle for search.
5600 (fill_simple_delay_slots): Add a comment explaining a variable.
5601 Move conditional out of loop, simplifying code.
5602 (fill_eager_delay_slots): Fix typographical error in comment.
5604 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
5606 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
5608 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
5609 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
5611 2001-02-21 Jason Merrill <jason@redhat.com>
5613 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
5614 (struct tree_decl): Add uninlinable bitfield.
5615 * c-decl.c (duplicate_decls): Set it.
5616 * integrate.c (function_cannot_inline_p): Check it.
5618 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
5619 DW_AT_MIPS_linkage_name to abstract methods.
5620 (dwarf2out_abstract_function): Emit class context before calling
5621 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
5622 (gen_subprogram_die): Remove obsolete code.
5623 (gen_member_die): Don't include clones in the member list.
5624 (gen_decl_die): Emit abstract info for clone origin.
5625 * dwarfout.c (output_type): Don't include clones in the member list.
5626 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
5627 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
5628 DECL_ABSTRACT on a function that already has it set.
5630 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
5631 (get_subprogram_die): Pass it in.
5633 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
5635 * flow.c (mark_set_1): Make not_dead unsigned long. For
5636 non-pseudos, use it as a bitmask of the hard regs that
5637 don't die.
5639 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
5641 * cppfiles.c: Update comments.
5642 (_cpp_read_file): Don't check for NULL filenames any more.
5643 * cppinit.c (cpp_start_read): Don't do canonicalization of
5644 in_fname and out_fname. Use the passed file name exclusively.
5645 (_cpp_handle_options): Don't treat "-" as a command line option,
5646 but as a normal filename.
5647 (_cpp_post_options): Canonicalize in_fname and out_fname.
5648 * cppmain.c (printer_init): Don't check out_fname for NULL.
5649 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
5650 (init_c_lex): Update, and use "" to represent stdin to CPP.
5651 (yyparse): Update.
5653 2001-02-20 Will Cohen <wcohen@redhat.com>
5655 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
5656 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
5657 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
5658 fixunstfsi_libfunc.
5660 2001-02-20 Stan Shebs <shebs@apple.com>
5662 * config/rs6000/rs6000.c (output_cbranch): Output branches
5663 on separate lines instead of using ';' to separate.
5665 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
5667 * cppinit.c (set_lang): Move builtin handling to...
5668 (init_builtins): ...here.
5669 (_cpp_create_reader): Move call to set_lang.
5671 2001-02-20 Mark Mitchell <mark@codesourcery.com>
5673 * stmt.c (expand_return): If an attempt is made to return the
5674 error_mar_node, treat the return like a return without a value.
5676 2001-02-19 Zack Weinberg <zackw@stanford.edu>
5678 * sibcall.c (skip_copy_to_return_value): Call
5679 identify_call_return_value here, and return orig_insn if it
5680 returns zero. Hardret and softret arguments now unnecessary.
5681 (call_ends_block_p): Don't call identify_call_return_value here.
5683 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
5684 's' slots in RTXen.
5685 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
5686 * ggc.h (ggc_mark_if_gcable): Delete prototype.
5688 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
5690 * pa.c (move_operand): Accept code to load the address of a
5691 symbol out of the DLT as a valid move operand.
5692 (print_operand, case 'A'): New to handle generating a DLT
5693 reference for a LO_SUM expression.
5694 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
5695 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
5697 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
5699 * README, cpp.texi, gcc.texi, version.c: Update version number to
5700 3.1.
5701 * cpp.1, gcov.1, gcc.1: Regenerate.
5703 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
5705 * cppfiles.c (stack_include_file): Generate dependencies
5706 here, and manage include_count here too.
5707 (PRINT_THIS_DEP): Delete.
5708 (_cpp_execute_include): Do not generate dependencies here,
5709 apart from the case of a missing header. Do not manage
5710 include_count.
5711 (_cpp_read_file): Leave dependency generation to
5712 stack_include_file.
5714 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
5716 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
5717 target_cpu_default. Remove dead assignment to
5718 target_cpu_default.
5720 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
5722 * regclass.c (contains_reg_of_mode): Make global.
5723 (init_reg_sets): Remove contains_reg_of_mode; take into account
5724 CLASS_MAX_NREGS when looking for the proper mode.
5725 (dump_regclass): Dump only classes considered for the pseudo.
5726 (regclass): Use contains_reg_of_mode.
5728 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
5730 * gcc.c (do_spec_1): 'n' for printing notices.
5731 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
5733 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
5735 * reg-stack.c (next_flags_user): Use current_block->end
5736 (swap_rtx_condition): Look for next user if flags don't die;
5737 give up on CALL_INSNs; use current_block->end.
5739 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5741 * sibcall.c (call_ends_block_p): New function.
5742 (optimize_sibling_and_tail_recursive_call): Use it.
5744 2001-02-18 Kazu Hirata <kazu@hxi.com>
5746 * config/h8300/h8300.md: Update copyright.
5747 (andsi3): Do not output an extra newline character.
5749 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5751 * toplev.c (note_deferral_of_defined_inlined_function): Argument
5752 FNDECL may be unused.
5754 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
5755 follow jumps after first run.
5756 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
5757 it doesn't change any jumps.
5759 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
5761 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
5762 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
5763 (mostlyclean): Corresponding changes.
5764 * rtlanal.c (hard-reg-set.h): Include.
5765 (rtx_unstable_p): Do not treat the argument pointer specially
5766 if it is not a fixed register.
5767 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
5769 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5771 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
5772 against last real insn in basic block.
5773 Rework to avoid gotos.
5775 * Makefile.in (gcse.o): Now includes ggc.h.
5776 * gcse.c: Include ggc.h.
5777 (want_to_gcse_p): Verify expression can be in SET as valid insn.
5778 (try_replace_reg): Remove warning of uninitialize variable.
5779 (process_insert_insn): Call invalid_insn_p to validate insn.
5780 * recog.c (insn_invalid_p): Now global.
5781 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
5782 * recog.h (insn_invalid_p): New declaration.
5784 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
5786 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
5787 assignments from FP constants since 'Y' output code can't handle it.
5788 (eligible_for_sibcall_delay): Likewise.
5790 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
5791 Call fancy_abort directly, passing args.
5792 (print_rtl_and_abort): Now a macro, like fancy_abort.
5794 * final.c (output_operand_lossage): Use internal_error, not error.
5796 2001-02-18 Shane Nay <shane@agendacomputing.com>
5798 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
5799 structure shift insns.
5801 2001-02-18 Mark Mitchell <mark@codesourcery.com>
5803 * invoke.texi (-fsquangle): Remove documentation.
5804 (-fname-mangling-version): Likewise.
5806 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
5808 * optabs.c (expand_abs): Remove reference to
5809 HAVE_contitional_arithmetic.
5810 * combine.c (simplify_set): Likewise.
5812 2001-02-18 Richard Henderson <rth@redhat.com>
5814 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
5815 would be disrupted.
5817 2001-02-18 Richard Henderson <rth@redhat.com>
5819 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
5821 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
5823 * reload1.c (reload_cse_simplify_set): Fix typo.
5825 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5827 * diagnostic.c (_fatal_insn): Decrement errorcount.
5829 * invoke.texi (-I): Add note avoiding use for system header files.
5831 * rtl.h (add_clobbers): Remove duplicate declaration.
5832 * recog.h (added_clobbers_hard_reg_p): New declaration.
5833 * genemit.c (struct clobber_pat): New field has_hard_reg.
5834 (gen_insn): Record if added clobbers clobber hard reg.
5835 (gen_split): Avoid unused warning if number of operands is 0.
5836 (output_added_clobbers_hard_reg_p): New function.
5837 (main): Call it.
5839 2001-02-18 Alan Modra <alan@linuxcare.com.au>
5841 * pa.c (hppa_expand_prologue): Simplify code storing return
5842 pointer. For large (>=8k) frames with a post_store, adjust stack
5843 pointer by 8k-64 first rather than by 64. When testing with
5844 VAL_14_BITS_P, always use the actual value rather than the value
5845 negated. Add blockage to prevent scheduling of spills before
5846 stack frame has been created.
5847 (hppa_expand_epilogue): Simplify code loading return pointer.
5848 Allow a slightly larger range for merge_sp_adjust_with_load case.
5849 When testing with VAL_14_BITS_P, always use the actual value.
5851 * pa.c (pa_adjust_insn_length): Check that block move
5852 pattern is a set before looking at operands.
5854 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5856 * fold-const.c (fold_binary_op_with_conditional_arg): New
5857 function, split out from ...
5858 (fold): ... here.
5859 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
5860 conditional arms that throw exceptions.
5862 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
5863 looking at a BLOCK.
5865 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5867 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
5868 define HAVE_DECL_* to 1 to mask potential backup declarations.
5869 * configure: Regenerated.
5871 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5873 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
5875 2001-02-17 Richard Henderson <rth@redhat.com>
5877 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
5878 when replacing a memory load with a register.
5880 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5881 Jan Hubicka <jh@suse.cz>
5883 * recog.c (validate_replace_src_1): New.
5884 (validate_replace_src_data): Likewise.
5885 (validate_replace_src): Use note_uses.
5886 * rtl.h (note_uses): Declare.
5887 * rtlanal.c (note_uses): New.
5889 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
5891 * reg-stack.c (stack_def): Make field reg unsigned.
5892 (remove_regno_note): Unsignetize parameter.
5894 2001-02-16 Jes Sorensen <jes@linuxcare.com>
5896 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
5897 shladd_operand() call.
5899 2001-02-16 Bruce Korb <bkorb@gnu.org>
5900 Rodney Brown <RodneyBrown@mynd.com>
5902 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
5903 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
5904 machine restrictions
5905 * fixinc/fixincl.x: regen
5907 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5909 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
5910 Don't CSE a nop.
5911 (hash_scan_insn): Clean up calls to hash_scan_set.
5912 (compute_kill_rd): REGNO now unsigned.
5913 (try_replace_reg): Rework to use simplify_replace_rtx.
5914 (cprop_jump, cprop_cc0_jump): Likewise.
5915 (cprop_insn): Call find_reg_equal_equiv_note.
5916 Reflect changes to cprop_jump and cprop_cc0_jump.
5918 * recog.c (validate_replace_src): Replace in operands of
5919 ZERO_EXTRACT in SET_DEST.
5921 * cse.c (new_label_ref): New variable.
5922 (insert): Set it instead of recorded_label_ref.
5923 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
5924 CODE_LABEL for this function, and not already in REG_LABEL note.
5926 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
5928 * resource.c (mark_referenced_resources): Fix typo in introductory
5929 comment.
5930 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
5931 string constant.
5933 2001-02-16 Jason Merrill <jason@redhat.com>
5935 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
5936 NULL.
5937 (gen_subprogram_die): Don't abort on seeing a second definition if
5938 the previous one was abstract. Don't replace an abstract instance
5939 in the lookup table.
5941 * dwarf2out.c (dwarf2out_abstract_function): Rename from
5942 gen_abstract_function.
5943 * dwarf2out.h: Declare it.
5944 * toplev.c (note_outlining_of_inline_function): New fn.
5945 * toplev.h: Declare it.
5946 * integrate.c (output_inline_function): Call it.
5947 * c-decl.c (duplicate_decls): Call it when redefining an extern
5948 inline. Don't inline the new defn.
5950 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
5952 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5954 * .gdbinit: Rename to gdbinit.in.
5955 * gdbinit.in: New file,
5956 * configure.in: Generate .gdbinit from gdbinit.in.
5957 * configure: Regenerated.
5958 * Makefile.in (distclean): Always remove .gdbinit.
5960 2001-02-16 Jakub Jelinek <jakub@redhat.com>
5962 * objc/objc-act.c (start_class): Register implemented_classes with
5963 GC.
5965 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
5967 * cppfiles.c (_cpp_make_system_header): Generate a file
5968 change callback.
5970 2001-02-15 Jim Meyering <meyering@lucent.com>
5972 * Makefile.in (install-common): Don't depend on installdirs here.
5973 Instead, make each of the lang.install-common targets (e.g.,
5974 c++.install-common in cp/Make-lang.in) depend on it.
5975 (install-driver): Depend on installdirs.
5977 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5979 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
5981 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
5982 do in memory.
5984 2001-02-15 Mark Mitchell <mark@codesourcery.com>
5986 * invoke.texi (--param): Document.
5988 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
5990 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
5992 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
5994 * i386.md (extendsfdf2_2): Fix constraints.
5996 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
5998 * i386.md (fop_df_3 splitter): Fix operand number.
6000 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
6002 * invoke.texi (-mreg-alloc): Nuke.
6003 * i386.c (ix86_reg_alloc_order, regs_allocated,
6004 order_regs_for_local_alloc): Nuke.
6005 (override_options): Kill reg_alloc code.
6006 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
6007 (REG_ALLOC_ORDER): SSE goes before I387.
6008 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
6009 (ix86_reg_alloc_order): Likewise.
6010 * i386-protos.h (ix86_reg_alloc_order): Kill.
6012 2001-02-14 Richard Henderson <rth@redhat.com>
6014 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
6016 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
6018 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
6020 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
6022 * i386-protos.h (ix86_memory_move_cost): Move offline.
6023 * i386.c (ix86_register_move_cost): Compute properly cost of
6024 SSE, MMX and i387 instructions.
6025 (*_cost): Add costs of SSE/MMX moves.
6026 (ix86_memory_move_cost): Move offline from ....; Likewise.
6027 * i386.h (MEMORY_MOVE_COST): .... here;
6028 (struct processor costs): Add new fields to represent costs
6029 of SSE/MMX moves.
6031 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
6033 * regclass.c (init_reg_sets_1): Reinstall the optimization of
6034 move_cost together with Matt Kraai's fix.
6036 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6038 * Makefile.in (OBJS): Add params.o.
6040 2001-02-14 Richard Henderson <rth@redhat.com>
6041 DJ Delorie <dj@redhat.com>
6043 * jump.c (jump_optimize_1): When we delete a conditional jump
6044 preceeding a non-conditional jump to effectively the same place,
6045 make sure that the combined jump skips any clobber insns between
6046 the two labels.
6048 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
6050 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
6052 2001-02-14 Mark Mitchell <mark@codesourcery.com>
6054 * Makefile.in (toplev.o): Depend on params.h.
6055 (intergate.o): Likewise.
6056 (params.o): New target.
6057 * flags.h (inline_max_insns): Remove.
6058 * integrate.c: Include params.h.
6059 Use MAX_INLINE_INSNS instead of inline_max_insns.
6060 * params.c: New file.
6061 * params.h: Likewise.
6062 * params.def: Likewise.
6063 * toplev.c: Include params.h.
6064 (lang_independent_params): New variable.
6065 (decode_f_option): Use the param machinery instead of setting
6066 max_inline_insns.
6067 (independent_decode_option): Handle "--param name=value".
6068 (main): Register language-independent parameters.
6070 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
6072 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
6074 2001-02-14 Richard Henderson <rth@redhat.com>
6076 * regclass.c (init_reg_sets_1): Revert last two changes.
6078 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6080 * stor-layout.c (is_pending_size, put_pending_size): New functions.
6081 (variable_size): Call put_pending_size.
6082 * tree.h (is_pending_size, put_pending_size): Add prototypes.
6083 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
6084 sizes list, put newly created SAVE_EXPR there as well.
6086 2001-02-14 Jakub Jelinek <jakub@redhat.com>
6088 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
6089 (errata_find_address_regs): load_group has only 2 entries.
6090 (errata_emit_nops): Likewise. shladd is not problematic.
6091 Clear last_group if nop was emitted.
6092 (fixup_errata): load_group has only 2 entries.
6093 Optimize.
6095 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
6097 * c-lex.c (lex_number): Only warn traditionally for U suffix
6098 outside system macros.
6099 * cppexp.c (parse_number): Similarly.
6100 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
6101 * cppmacro.c (struct cpp_macro): New member node.
6102 (parse_args): Only warn about missing rest args if not
6103 a system macro.
6104 (funlike_invocation_p): Similarly for uninvoked funlike macros.
6105 (cpp_sys_objmacro_p): New.
6106 (_cpp_create_definition): Store the node with the macro defn.
6107 Remember if the macro is defined in a system header.
6109 2001-02-13 DJ Delorie <dj@redhat.com>
6111 * configure.in (check_languages): determine languages to check
6112 * Makefile.in (check-c++): alias for check-g++
6113 (check-f77): alias for check-g77
6114 (CHECK_TARGETS): depend on configured languages
6116 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
6118 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6119 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6120 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6121 (sqrtextendsfdf2): Disable for SSE2.
6123 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6125 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
6126 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
6127 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
6128 (sqrtextendsfdf2): Disable for SSE2.
6130 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
6132 * i386.md (movsfcc_1): Support integer cmove instruction.
6133 (movdfcc_1): Likewise; new splitter.
6135 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
6137 * i386.c (output_fp_compare): Support SSE.
6138 (prepare_fp_compare_args): SSE comparisons always support memory.
6139 * i386.h (TARGET_CMOVE): SSE imply cmove.
6140 * i386.md (cmp?f2): Enable for SSE too.
6141 (cmpfp_i*): Support SSE.
6142 (cmpfp_i_sse): New.
6143 (cmpfp_i_sse_only): New.
6144 (s*, b* fp expanters): Enable for SSE too.
6145 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
6146 New patterns.
6148 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
6150 * regclass.c (init_reg_sets_1): Silence warning.
6152 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
6154 * i386.md (sqrt?f2): Change to expander.
6155 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
6157 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6159 * rtlanal.c (find_reg_equal_equiv_note): New function.
6160 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
6161 (simplify_gen_relational, simplify_replace_rtx): Likewise.
6162 * rtl.h: Add declarations for above functions.
6164 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
6166 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
6167 conditionals.
6168 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
6169 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
6170 * flow.c (mark_regs_live_at_end): Likewise.
6171 (calculate_global_regs_live): Likewise.
6172 * gcse.c (compute_hash_table): Likewise.
6173 (compute_kill_rd): Likewise.
6174 * resource.c (mark_target_live_regs): Likewise.
6175 * rtl.h (INVALID_REGNUM): New macro.
6177 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
6179 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
6181 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
6183 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
6184 for SSE.
6186 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
6188 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
6189 too.
6190 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
6191 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
6192 (fop_sf_1_sse, fop_df_1_sse): New patterns
6193 (fop_*): Disable float_extend and float patterns for SSE compilation.
6194 * i386.c (output_387_binary_op): Support SSE.
6196 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
6198 * i386.md (dummy_extendsfdf2): Support SSE2
6199 (extendsfdf2): Enable if 80387 or SSE2.
6200 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
6201 and no MIX_I387_SSE2
6202 (extendsfdf2_1_sse_only): New pattern.
6203 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
6204 of SSE.
6205 (truncdfsf2_1): Support SSE.
6206 (truncdfsf2_2): Support SSE.
6207 (truncdfsf2_2_1_sse): New pattern.
6208 (fixtruncsfsi2): Always use SSE if available.
6209 (fix_truncsfsi_sse): New pattern.
6210 (fix_truncdfsi_sse): New pattern.
6211 (floatsis?f2): Support SSE.
6212 (floatsidf2_i387): New pattern.
6213 (floatsidf2_sse): Likewise.
6215 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6217 * configure.in: Use "have_gnat" variable, not "gnat".
6218 * configure: Regenerated.
6220 * config/sparc/sparc.c (function_value): Treat all non-record
6221 aggregate types like used to treat UNION_TYPE.
6223 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
6225 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
6226 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
6227 (MASK_SSE2): New.
6228 (MASK_MIX_SSE_I387): New.
6229 (TARGET_SSE): SSE2 imply SSE.
6230 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
6231 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
6232 (enum reg_class): Add new classes.
6233 (REG_CLASS_NAMES): Likewise.
6234 (REG_CLASS_CONTENTS): Likewise.
6235 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
6236 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
6237 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
6238 (CLASS_MAX_NREGS): Use new macros.
6239 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
6240 * i386.md (pushsf, movsf): Support SSE.
6241 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
6242 splitters to use ANY_FP_REGNO_P.
6243 (movdf_nointeger, movdf_integer): Likewise.
6245 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6247 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
6248 (try_combine): Use it.
6250 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
6252 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
6253 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
6254 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
6255 (REGISTER_MOVE_COST): Likewise.
6256 * i386-protos.h (ix86_secondary_memory_needed,
6257 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
6258 * i386.c (ix86_secondary_memory_needed,
6259 ix86_preferred_reload_class, ix86_register_move_cost): New function.
6261 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
6263 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
6264 (HARD_REGNO_MODE_OK): Move offline to ....
6265 * i386.c (ix86_hard_regno_mode_ok) ... here;
6266 refuse all incorrect modes.
6267 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
6269 2001-02-13 Richard Henderson <rth@redhat.com>
6271 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
6272 entire operator; replicate that and match_dup the operands.
6273 (cmp_ccx_arith_op_set): Likewise.
6274 (cmp_cc_arith_op_not_set): Likewise.
6275 (cmp_ccx_arith_op_not_set): Likewise.
6277 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
6279 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
6281 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6283 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
6284 (TARGET_NO_BITFIELD_WORD): New macro.
6285 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
6286 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
6288 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6290 * cselib.c: New file, from simplify-rtx.c.
6291 * simplify-rtx.c: Remove cselib parts.
6292 * Makefile.in: Add cselib.o.
6294 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
6296 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
6297 (setup_incoming_varargs): Remove warning.
6299 * config/rs6000/rs6000.c (validate_condition_mode): When
6300 flag_fast_math, allow floating-point conditionals to be reversed.
6301 (rs6000_generate_compare): When flag_fast_math, don't generate
6302 cror operations for FP conditionals.
6304 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
6305 -mcall-i960.
6306 (ASM_SPEC): Likewise.
6307 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
6308 (CC1_SPEC): Likewise.
6309 (LINK_TARGET_SPEC): Likewise.
6310 (CPP_ENDIAN_SPEC): Likewise.
6311 * Makefile.in (check-consistency): New target.
6313 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
6315 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
6316 "return type defaults" warning for functions with return type
6317 defaulting to int.
6318 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
6319 function declarations by default rather than only when pedantic.
6321 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
6323 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
6324 arrays.
6326 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6328 * extend.texi (Deprecated): Deprecate new initializer lists.
6330 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6332 * mkdeps.c (deps_add_default_target): Robustify. Add
6333 basename component only.
6334 * cpp.texi (-M): Describe how default target is generated.
6335 * invoke.texi (-M): Likewise.
6337 2001-02-12 Kazu Hirata <kazu@hxi.com>
6339 * toplev.c (push_float_handler): Remove.
6340 (pop_float_handler): Remove.
6341 * toplev.h: Remove prototypes for the above functions.
6343 2001-02-12 Jakub Jelinek <jakub@redhat.com>
6345 * c-common.c (constant_fits_type_p): New function.
6346 (convert_and_check): Use it.
6348 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6350 * Makefile.in (GXX_ABI_FLAG): Don't define.
6351 * configure.in (--enable-new-gxx-abi): Remove option.
6352 * config.in: Regenerated.
6353 * configure: Likewise.
6355 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
6357 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
6358 basic block.
6359 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
6360 regular basic block, and arrange for all edges into it to switch
6361 to normal mode.
6363 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6365 * Makefile.in (distclean): Do not remove .gdbinit.
6367 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6369 * Makefile.in (gcc.o): Fix typos.
6370 (protize.o): Likewise.
6371 (unprotoize.o): Likewise.
6373 2001-02-11 Richard Henderson <rth@redhat.com>
6375 * tree.c (build1): Check for null operand in last change.
6377 2001-02-11 Richard Henderson <rth@redhat.com>
6379 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
6380 (fold): Don't assume a constant isn't foldable.
6381 * tree.c (build): Set TREE_CONSTANT for an expression with no
6382 side-effects and constant operands.
6383 (build1): Likewise.
6385 2001-02-10 Richard Henderson <rth@redhat.com>
6387 * jump.c (squeeze_notes): Revert 2000-05-12 change.
6389 2001-02-10 Anthony Green <green@redhat.com>
6391 * cpp.texi (Standard Predefined): Add documentation for
6392 __OPTIMIZE_SIZE__.
6394 * c-common.c (combine_strings): Improve warning message.
6396 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
6398 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
6399 --oformat.
6400 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
6402 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
6404 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
6405 CYGWIN_CROSS_DIR.
6407 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
6409 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
6410 fp_mode attribute.
6412 2001-02-09 Nick Clifton <nickc@redhat.com>
6414 * config/arm/arm.md: Change output contraint on post inc
6415 load/store multiple patterns to be a read/write contraint.
6417 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
6419 * gcc.c (cpp_options): Delete .d files on error. Don't delete
6420 .o files when using the -M options.
6422 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6423 David Edelsohn <edelsohn@gnu.org>
6425 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
6426 handle DImode constants. Use one TOC entry for SImode and smaller
6427 constants, aligned properly.
6429 2001-02-08 Jason Merrill <jason@redhat.com>
6431 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
6432 about the SP adjustment for saving the static chain pointer.
6433 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
6434 offset when setting a temporary CFA register.
6436 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
6438 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
6439 powerpc-*-chorusos* .
6440 * config/rs6000/chorus.h : New file.
6441 * config/i386/chorus.h : New file.
6442 * config/sparc/chorus.h : New file.
6443 * config/sparc/t-chorus-elf : New file.
6445 2001-02-08 David Edelsohn <edelsohn@gnu.org>
6447 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
6448 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
6449 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
6450 (__WCHAR_TYPE__): Correct macro name.
6452 2001-02-08 Richard Henderson <rth@redhat.com>
6454 * config/i386/i386.c (ix86_frame_pointer_required): New.
6455 (ix86_setup_frame_addresses): New.
6456 (struct machine_funciton): Add accesses_prev_frame.
6457 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
6458 ix86_frame_pointer_required.
6459 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
6460 (SETUP_FRAME_ADDRESSES): New.
6461 * config/i386/i386-protos.h: Update.
6462 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
6463 from FRAME_POINTER_REQUIRED.
6464 * config/i386/svr3gas.h: Likewise.
6465 * config/i386/sysv3.h: Likewise.
6466 * config/i386/v3gas.h: Likewise.
6468 2001-02-08 Richard Henderson <rth@redhat.com>
6470 * config/sparc/sparc.c (function_arg_record_value_3): Fix
6471 calculation of the number of integer registers required.
6472 (function_arg_record_value): Likewise.
6474 2001-02-08 Jason Merrill <jason@redhat.com>
6476 * diagnostic.c (internal_error): Say "confused" after 1 error, not
6477 two. Print file and line with "confused" message.
6479 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
6481 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6483 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
6485 2001-02-08 Bernd Schmidt <bernds@redhat.com>
6487 * final.c (cleanup_subreg_operands): The address of a MEM can
6488 contain SUBREGs.
6490 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
6491 for asms, too.
6493 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
6495 * gcc.texi (Incompatibilities): Update documentation of
6496 preprocessing numbers.
6498 2001-02-07 Jakub Jelinek <jakub@redhat.com>
6500 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
6502 2001-02-07 Mark Mitchell <mark@codesourcery.com>
6504 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
6506 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
6507 * gcc.c (struct compiler): Add cpp_spec field.
6508 (input_file_compiler): New variable.
6509 (do_spec_1): Allow a particular compiler to handle `%C'
6510 specially.
6511 (main): Store the current compiler in input_file_compiler.
6512 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
6514 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
6516 * cpphash.h (struct spec_nodes): Add n_true and n_false.
6517 * cppinit.c (cpp_create_reader): Initialize them.
6518 (append_include_chain): cxx_aware arg might be unused.
6519 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
6520 keywords and give them their phase 7 meaning. Pedwarn about
6521 this unless '__bool_true_false_are_defined' is defined.
6523 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6525 * lcm.c (optimize_mode_switching): Emit mode_set before the
6526 JUMP_INSN of an abnormal edge.
6528 2001-02-07 Bernd Schmidt <bernds@redhat.com>
6530 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
6531 a scheduling barrier at the end.
6533 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
6535 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6537 * config/sh/sh.md (reload_outsf): Removed.
6538 (movsf_ie): Introduce constraints for FPUL loads and stores.
6539 (reload_insf): Broaden the output constraint.
6541 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
6542 defined.
6543 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
6544 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
6546 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
6548 * final.c: Revert my previous changes.
6549 * output.h: Make profile_label_no extern.
6550 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
6551 for generating label.
6553 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
6555 * config/i386/djgpp.h: Add comments about standard paths.
6556 (MD_EXEC_PREFIX): Undefine before defining.
6557 (MD_STARTFILE_PREFIX): New.
6559 2001-01-30 Bruce Korb <bkorb@gnu.org>
6561 fixinc/fixincl.c(process): Emit error message only if appropriate :)
6562 (load_file): do not rely on load_file_data() to close file pointer
6563 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
6564 fixinc/inclhack.def(irix_limits_const): add test_text
6566 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6568 * cppexp.c (parse_defined): Improve diagnostics for invalid
6569 syntax.
6571 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6573 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
6575 2001-02-06 Mark Mitchell <mark@codesourcery.com>
6577 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
6578 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
6579 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
6580 (rs6000_output_symbol_ref): New function.
6581 (output_toc): Use VTABLE_NAME_P.
6583 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6585 * print-tree.c (print_node, case PARM_DECL):
6586 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
6588 * stor-layout.c (reference_types_internal): New variable.
6589 (internal_reference_types): New function.
6590 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
6591 * tree.h (internal_reference_types): New declaration.
6593 * cse.c (find_best_addr): Fix typo in computing cost.
6595 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6597 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
6598 and this is the sum of a pointer and a constant, we know the result
6599 did not overflow.
6600 (num_sign_bit_copies, case PLUS): Likewise.
6601 * explow.c (convert_memory_address): Remove opposite SUBREG.
6602 * function.c (instantiate_new_reg): New function (from common code).
6603 (instantiate_virtual_regs_1): Call it.
6604 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
6605 if pointers sign- or zero-extend.
6606 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
6607 If pointers extend unsigned, use inside of SUBREG.
6608 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
6610 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
6612 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
6613 subdir of gcc_gxx_include_dir.
6614 (gcc_gxx_target_include_dir): Remove.
6616 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
6618 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
6619 (dwarf2out_frame_debug_expr): Revise introductory comments to add
6620 a high-level description.
6622 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
6624 * final.c: Move the declaration of profile_label_no to ...
6625 * output.h: ... here.
6626 * function.c (expand_function_start): Call PROFILE_HOOK.
6627 * config/rs6000/aix.h: Define PROFILE_HOOK.
6628 * config/rs6000/rs6000-protos.h: output_profile_hook new.
6629 * config/rs6000/rs6000.c (output_profile_hook): Define.
6630 (output_prolog): Do nothing for ABI_AIX as it is taken care by
6631 output_profile_hook.
6632 tm.texi : Explain new macro PROFILE_HOOK.
6634 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
6636 * extend.texi (Extended Asm): Do not say that semicolon is always
6637 a valid line-breaking character for GNU assemblers. Use
6638 newline-tab as the most commonly supported syntax. Use
6639 newline-tab rather than semicolon in multi-insn examples.
6641 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6643 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
6645 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6646 David Edelsohn <edelsohn@gnu.org>
6648 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
6649 code for AIX, even without flag_pic.
6651 2001-02-05 Jakub Jelinek <jakub@redhat.com>
6653 * c-typeck.c (common_type): push and pop binding level around
6654 calling common_type on function parameters.
6656 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
6658 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
6660 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6662 * config/mips/mips.c (override_options): Fix typo in last change.
6663 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
6664 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
6666 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
6668 * invoke.texi (-fdump-class-layout): Document.
6669 (-fdump-translation-unit): Use `=' as filename separator.
6671 2001-02-05 Mark Mitchell <mark@codesourcery.com>
6673 * Makefile.in (s-mlib): Don't build multilibs if
6674 --disable-multilib.
6675 (DRIVER_DEFINES): Adjust accordingly.
6676 (gcc.o): Likewise.
6677 (protoize.o): Likewise.
6678 (unprotoize.o): Likewise.
6679 * configure.in: Recognize --enable-multilib.
6681 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6683 * Makefile.in (DRIVER_DEFINES): Fix quoting.
6685 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
6686 * configure.in: Remove --enable-libstdcxx_v3 support.
6687 * configure: Regenerated.
6689 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6691 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
6692 Call abort instead of fatal.
6693 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
6694 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
6695 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
6696 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
6697 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
6698 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
6700 * diagnostic.h (set_internal_error_function): Renamed.
6701 * toplev.h (internal_error): Renamed from fatal.
6702 (pfatal_with_name): Deleted.
6703 (fatal_io_error): Now has printf-style arguments.
6704 * diagnostic.c (pfatal_with_name): Deleted.
6705 (fatal_io_error): Rework to have args in printf-style.
6706 (set_internal_error_function): Renamed from set_fatal_function.
6707 (internal_error): Renamed from fatal.
6708 (error_recursion, fancy_abort): Call internal_error instead of fatal.
6709 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
6710 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
6711 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
6712 * flow.c (verify_flow_info): Likewise.
6713 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
6714 * config/mips/mips.c (save_restore_insns): Likewise.
6716 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
6717 * flow.c (verify_flow_info): Likewise.
6718 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
6719 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
6720 (avr_normalize_condition): Likewise.
6721 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
6722 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
6723 (limit_reload_class, double_reg_to_memory): Likewise.
6724 (print_operand_address, emit_1600_code_shift): Likewise.
6725 (gen_tst_reg, gen_compare_reg): Likewise.
6726 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
6727 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
6728 Deleted.
6729 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
6731 * c-parse.in (methoddef): Call fatal_error instead of fatal.
6732 * objc/objc-act.c (build_ivar_chain): Likewise.
6733 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
6734 pfatal_with_name.
6735 * graph.c (clean_graph_dump_file): Likewise.
6736 * profile.c (init_branch_prob): Likewise.
6737 * objc/objc-act.c (objc_init): Likewise.
6739 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
6740 * config/avr/avr.c (avr_override_options): Likewise.
6741 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
6742 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
6743 * config/h8300/h8300.c (h8300_init_once): Likewise.
6744 * config/mips/mips.c (override_options): Likewise.
6745 * config/i386/i386.c (override_options): Likewise, rework.
6746 * config/m68k/m68k.c (override_options): Likewise.
6748 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
6749 instead of fatal.
6750 * config/mips/mips.c (print_operand): Likewise.
6751 * hash.c (hash_allocate): Don't check for failure returns from
6752 obstack functions that can't fail.
6753 (hash_table_init_n, hash_table_init): Likewise; also now return void.
6754 * hash.h (hash_table_init_n, hash_table_init): Now return void.
6755 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
6756 (get_object_reference): Likewise.
6758 2001-02-04 Nick Clifton <nickc@redhat.com>
6760 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
6761 StrongARM1110, 10TDMI, and 1020T.
6763 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6765 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
6767 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
6769 * config/sh/sh.md (movdf load split): Pass register number to
6770 FP_OR_XD_REGISTER_P.
6772 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6774 * cppinit.c (BC): New macro.
6775 (builtin_array): Add __GXX_WEAK__.
6776 * cpplib.h (builtin_type): Add BT_WEAK.
6777 * cppmacro.c (builtin_macro): Handle BT_WEAK.
6778 * defaults.h (SUPPORTS_ONE_ONLY): Define.
6779 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
6781 2001-02-03 Jakub Jelinek <jakub@redhat.com>
6783 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
6785 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6787 * cpphash.h: Rename _ALIGN POOL_ALIGN.
6788 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6790 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6792 * cpphash.h: Rename ALIGN _ALIGN.
6793 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6795 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
6797 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
6798 compilation environment.
6799 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
6800 control over location of cygwin includes and libs.
6802 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6804 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
6806 2001-02-02 lars brinkhoff <lars@nocrew.org>
6808 * md.texi (Standard Names): remove reference to spur.md.
6810 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6812 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
6813 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
6814 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
6815 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
6816 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6818 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6820 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
6821 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
6822 number before reload.
6823 (c4x_adjust_cost): Return zero before reload.
6824 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
6825 split before reload.
6827 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6829 * c4x.c (c4x_hard_regno_rename_ok): New.
6830 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
6831 * c4x.h (HARD_REGNO_RENAME_OK): Define.
6833 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6835 * diagnostic.h: Add missing "extern" in all declarations.
6837 2001-02-02 Alex Samuel <samuel@codesourcery.com>
6839 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
6840 as for gcc_gxx_include_dir.
6842 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
6844 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
6846 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6848 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
6849 label before alignment to be used as the braf base address.
6850 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
6851 branches.
6852 (casesi_jump_2): Require at least TARGET_SH2.
6854 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
6855 truncation to 32-bit doubles on -m3e and -m4-single-only.
6857 2001-02-02 Mark Mitchell <mark@codesourcery.com>
6859 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
6860 the default when building a shared object.
6861 (init_spec): Use it.
6862 * testsuite/lib/g++.exp: Include the directory where libgcc
6863 is located to the LD_LIBRARY_PATH list.
6864 * invoke.texi (-shared-libgcc): Document the cases in which
6865 GCC defaults to using the shared libgcc.
6867 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6869 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
6870 unsigned is wide enough.
6871 (BITS_PER_SI): New.
6872 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
6873 (si_to_float): Likewise.
6874 (float_to_si, float_to_usi): Use BITS_PER_SI.
6876 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6878 * dwarf2out.c: Added explanation of abbreviations.
6879 (def_cfa_1): Added comments listing DWARF2 instructions.
6880 (cfa_temp_reg): Removed in favor of cfa_temp.
6881 (cfa_temp_value): Removed in favor of cfa_temp.
6882 (cfa_temp): New global variable.
6883 (dwarf2out_frame_debug_expr): Added extensive introductory
6884 comments explaining the function's transformations. Revised to
6885 use cfa_temp. Added some rtx checking. Generalize IOR case.
6886 (dwarf2out_frame_debug): Revised to use cfa_temp.
6887 (output_aranges): Cast as "unsigned" to avoid warning.
6888 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
6889 explain which instructions must be marked.
6891 2001-02-01 Richard Henderson <rth@redhat.com>
6893 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
6894 new instruction.
6896 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
6898 * config/sh/crt1.asm (main_k): Modified so that start calls
6899 ___setup_argv_and_call_main.
6901 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
6903 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
6904 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
6905 and AVOID_LPASTE is cleared on meeting an unescaped newline.
6906 * cppmacro.c (builtin_macro): Set builtin flags here.
6907 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
6908 (replace_args): Clarify intent.
6909 (cpp_get_token): Macro expansion tokens get the saved flags.
6910 Update.
6911 * cppmain.c (scan_buffer): Remove now-redundant print.printed
6912 check.
6914 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6916 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
6917 2001-Jan-29.
6919 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6921 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
6922 returns Pmode pseudo, but we need ptr_mode.
6923 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
6924 Remove bogus conversions; use HOST_WIDE_INT for size.
6925 Don't use TARGET if wrong mode.
6927 * config/i386/i386.c (ix86_compute_frame_size): Allow
6928 stack_alignment_needed to be non-default even if size is zero.
6930 2001-01-31 Alan Modra <alan@linuxcare.com.au>
6932 * pa.c (hppa_init_pic_save): New function.
6933 * pa.h (hppa_init_pic_save): Declare.
6934 * pa.md (call, call_value, sibcall, sibcall_value): Use
6935 the above instead of duplicated code.
6937 * pa.c (hppa_encode_label): Correct size of alloca buffer
6938 so we don't overrun it. Correct leading `*' case.
6939 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
6940 need to handle `*@'.
6941 (FUNCTION_NAME_P): Likewise.
6943 2001-01-31 Richard Henderson <rth@redhat.com>
6945 * config.gcc (alpha-osf5): Use float-i128.h.
6947 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
6948 * config/float-i32.h: Likewise.
6949 * config/float-i64.h: Likewise.
6950 * config/float-sh.h: Likewise.
6951 * config/float-sparc.h: Likewise.
6953 2001-01-31 DJ Delorie <dj@redhat.com>
6955 * expmed.c (extract_bit_field): allow non-integral modes if we
6956 want to extract a whole register from itself.
6958 2001-01-31 Jakub Jelinek <jakub@redhat.com>
6960 * c-typeck.c (set_init_index): If first is equal to last, assume as
6961 if it was not a range at all.
6963 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6965 * config/fp-bit.c: Include tm.h.
6966 (float_to_si): Don't assume SImode is 32-bits wide.
6967 (float_to_usi): Likewise.
6969 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
6971 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
6972 incomplete type.
6973 (typename): Call pending_xref_error after parsing typed_typespecs.
6974 * c-decl.c (lookup_tag): Give error immediately rather than
6975 leaving it pending if the tag of the wrong type is in the same
6976 binding level.
6977 (xref_tag): Don't pedwarn for forward declarations of enum types
6978 here.
6979 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
6980 and enum tags.
6982 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6984 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
6986 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6988 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
6989 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
6991 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6993 * cpphash.h (struct cpp_reader): New saved_flags.
6994 * cppmacro.c (cpp_get_token): Use saved_flags to remember
6995 to avoid a paste after a pasted token.
6997 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6999 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
7000 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
7001 Wtype_MIN instead of LONG_MIN.
7003 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7005 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
7006 README file.
7007 * fixinc/fixincl.x: Regenerated.
7008 * fixinc/inclhack.def (irix_limits_const): New definition to
7009 convert "const" to "__const" in limits.h.
7011 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
7013 * fixinc/genfixes (AG): Fix "autogen4" thinko.
7015 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7017 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
7018 when register dies in the insn.
7020 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7022 * diagnostic.c (fatal): Fix word wrap.
7024 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
7026 * combine.c (try_combine): Fix SUBREG setting for
7027 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
7029 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7031 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
7032 comparison codes.
7034 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
7036 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
7037 is not NULL.
7038 * toplev.c (decode_W_option): Update warn_larger_than
7039 unconditionally for each processed switch.
7041 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
7043 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
7044 to NULL_RTX.
7045 (hppa_expand_prologue): Delete code to save pic offset table register
7046 in the function prologue.
7047 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
7048 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
7049 table register at the beginning of the function after the prologue.
7051 2001-01-29 lars brinkhoff <lars@nocrew.org>
7053 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
7055 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
7056 Jeff Law <law@redhat.com>
7058 * pa.md (return): Revise comment for trivial return.
7059 (return_internal): Non-trivial return pattern for non-PIC code.
7060 (return_internal_pic): Non-trivial return pattern for PIC code.
7061 It uses the PIC register to ensure it is restored after
7062 function calls.
7063 (epilogue): Generate appropriate return for PIC and non-PIC code.
7065 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
7067 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
7069 2001-01-29 DJ Delorie <dj@redhat.com>
7071 * combine.c (if_then_else_cond): Pass the correct mode to
7072 operand_subword() for constants.
7074 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
7076 * config/i386/cygwin.h: Add w32api to include search. Search different
7077 directories in a cross-build environment.
7079 2001-11-29 Tim Josling <tej@melbpc.org.au>
7081 * tree.h (TYPE_STUB_DECL): Add documentation.
7083 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
7085 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
7086 (sdbout_field_types): Likwise. Fix use of host_integerp.
7088 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
7090 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
7091 cygwin.h.
7093 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
7095 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
7096 to use flag_gnu_linker.
7098 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
7100 * cpplib.c (T_BAD_DIRECTIVE): Remove.
7101 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
7103 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
7105 * tree.c, tree.h (build_parse_node): Remove; was identical to
7106 build_nt.
7107 * c-lang.c (start_cdtor), objc/objc-act.c
7108 (build_module_descriptor): Use build_nt instead of
7109 build_parse_node.
7111 2001-01-29 Jakub Jelinek <jakub@redhat.com>
7113 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
7114 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
7115 not have any upper bits set.
7117 2001-01-29 Phil Edwards <pme@sources.redhat.com>
7119 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
7121 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7123 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
7125 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
7127 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
7128 (integer_minus_one_node): Define.
7130 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
7132 * Makefile.in (bootstrap2-lean): Fix typo.
7134 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
7136 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
7137 : Don't set fe_value.
7138 * cpplib.h (AVOID_LPASTE): New flag.
7139 (struct cpp_hashnode): Remove fe_value.
7140 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
7141 * cppmacro.c (builtin_macro): Don't set flags here.
7142 (replace_args): Set AVOID_LPASTE flag on first token of an
7143 argument, and the token following it.
7144 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
7145 macro expansion, and on the token following it. Do it for
7146 builtins too.
7147 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
7149 2001-01-27 Richard Henderson <rth@redhat.com>
7151 * config/alpha/t-ieee: Remove multilibbing.
7152 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
7154 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7156 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
7158 * Makefile.in: Remove all dependencies on defaults.h.
7159 * builtins.c: Don't include defaults.h.
7160 * c-common.c: Likewise.
7161 * c-decl.c: Likewise.
7162 * c-pragma.c: Likewise.
7163 * c-typeck.c: Likewise.
7164 * combine.c: Likewise.
7165 * i386.c: Likewise.
7166 * frame-ia64.c: Likewise.
7167 * cppexp.c: Likewise.
7168 * crtstuff.c: Likewise.
7169 * dbxout.c: Likewise.
7170 * dwarf2out.c: Likewise.
7171 * dwarfout.c: Likewise.
7172 * emit-rtl.c: Likewise.
7173 * except.c: Likewise.
7174 * expr.c: Likewise.
7175 * final.c: Likewise.
7176 * frame-dwarf2.c: Likewise.
7177 * libgcc2.c: Likewise.
7178 * optabs.c: Likewise.
7179 * profile.c: Likewise.
7180 * sdbout.c: Likewise.
7181 * toplev.c: Likewise.
7182 * tradcif.y: Likewise.
7183 * tree.c: Likewise.
7184 * varasm.c: Likewise.
7186 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7188 * builtins.c (expand_builtin_fputs): Use size_one_node when
7189 transforming into fwrite.
7191 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
7193 * extend.texi (Attribute Syntax): New section.
7195 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7197 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
7198 they didn't need fixing.
7200 2001-01-27 Janis Johnson <janis@us.ibm.com>
7202 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
7203 if appropriate.
7204 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
7205 to remove macro definitions that are duplicated from elfos.h.
7207 2001-01-27 Richard Henderson <rth@redhat.com>
7209 * config/i386/sco5gas.h: Move ...
7210 * config/usegas.h: ... here.
7211 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
7213 2001-01-27 Jakub Jelinek <jakub@redhat.com>
7215 * c-typeck.c (struct constructor_stack): Add range_stack member.
7216 (really_start_incremental_init): Clear it.
7217 (push_init_level): Save constructor_range_stack and clear it if
7218 pushing explicit braces.
7219 (pop_init_level): abort if constructor_range_stack is non-zero at
7220 explicit closing brace. Restore saved constructor_range_stack if
7221 not implicit.
7223 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7225 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
7226 into register was forced into memory.
7228 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
7230 * Makefile.in: Remove uses of + before $(MAKE).
7232 2001-01-26 Richard Henderson <rth@redhat.com>
7234 * stmt.c (cost_table): Remove.
7235 (COST_TABLE, cost_table_initialized): New.
7236 (estimate_case_costs): Use the later instead of the former.
7237 (balance_case_nodes): Likewise.
7239 2001-01-26 Richard Henderson <rth@redhat.com>
7241 * alias.c (objects_must_conflict_p): Read-only slots may not
7242 conflict despite having the same type.
7244 2001-01-27 Michael Hayes <mhayes@redhat.com>
7246 * loop.c (loop_giv_reduce_benefit): Copy mode size into
7247 int variable.
7248 (check_ext_dependant_givs): Initialise u_start_val and
7249 u_end_val.
7250 (load_mems): Make last_max_reg unsigned.
7251 (try_swap_copy_prop): Use INSN_P and initialise set.
7253 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
7255 * README.AVR : Removed.
7257 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
7259 * pa-64.h (text_section): Remove declaration.
7261 * pa.md (return_internal): Remove mode on PIC register use.
7263 2001-01-25 lars brinkhoff <lars@nocrew.org>
7265 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
7266 ASM_CLOSE_PAREN): fix typos.
7268 2001-01-25 Mark Mitchell <mark@codesourcery.com>
7270 * acconfig.h: Define `const' to the empty string if neither
7271 __STDC__ nor __cplusplus is defined.
7272 * config.in: Regenerated.
7274 2001-01-25 David Edelsohn <edelsohn@gnu.org>
7276 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
7277 * collect2.c (main): Delete importf. Add ".obj" file extension.
7278 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
7279 (aix_std_libs): Add additional AIX libraries to skip.
7280 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
7281 * config/rs6000/aix51.h: New file.
7283 2001-01-25 Michael Hayes <mhayes@redhat.com>
7285 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
7286 (loop_insn_emit_before): No longer static.
7287 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
7288 (loop_givs_rescan, load_mems): Likewise.
7289 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
7290 (maybe_eliminate_biv_1):
7291 (move_movables): Replace emit_call_insn_before with
7292 loop_call_insn_hoist.
7293 * loop.h (loop_insn_emit_before): Add.
7294 * unroll.c (copy_loop_body): Replace emit_insn_before with
7295 loop_insn_emit_before.
7297 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
7299 * diagnostic.c (fatal): Request preprocessed source.
7301 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
7303 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
7304 olddecl has argument types and newdecl has none, use the argument
7305 types from olddecl.
7307 2001-01-24 Ulrich Drepper <drepper@redhat.com>
7309 * dwarf2out.c (prefix_of): New function. Determine longest common
7310 prefix of the two arguments. The units are whole path components.
7311 (output_file_names): When adding a new directory find the one entry
7312 with the longest common prefix already in the list. Artificially
7313 generate entry if there is none for this prefix.
7314 Fix test to check whether the zeroth directory entry is used.
7316 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
7318 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
7319 Changed all callers. Take it into account when deciding if a
7320 previously loaded value matches.
7322 2001-01-24 Richard Henderson <rth@redhat.com>
7324 * reload.c (find_reloads_subreg_address): Fail the substitution
7325 if the resulting address is insufficiently aligned.
7327 2001-01-24 DJ Delorie <dj@redhat.com>
7329 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
7330 check the original operand's mode also.
7331 * simplify-rtx.c (simplify_ternary_operation): Ditto.
7333 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7335 * c-parse.in (cast_expr): Move compound literals from here ...
7336 (primary): ... to here. Use standard terminology "compound
7337 literal" instead of "constructor expression".
7339 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7341 * gcc.1, cpp.1: Regenerate.
7343 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
7345 * calls.c (emit_library_call_value_1): Memory slot for
7346 pass-by-reference argument should have the mode of the argument,
7347 not of the pointer to it.
7349 2001-01-24 Tom Tromey <tromey@redhat.com>
7351 * gcc.texi (G++ and GCC): Mention gcj manual.
7352 (Standards): Link to section of manual mentioning gcj/Java
7353 compatibility.
7355 2001-01-24 Jakub Jelinek <jakub@redhat.com>
7357 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
7358 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
7359 * tradcpp.c (main): Add -imacros or -include'd dependencies
7360 for -M*.
7361 * cpp.texi (-M, -MM): Document -M -include behaviour.
7363 2001-01-24 Roger Collins <roger@ProProject.com>
7365 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
7367 2001-01-24 Will Cohen <wcohen@redhat.com>
7369 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
7370 whether registers are 32 bits or 64 bits in size.
7372 2001-01-24 Ben Elliston <bje@redhat.com>
7374 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
7376 2001-01-24 Richard Henderson <rth@redhat.com>
7378 * config/alpha/alpha.md (builtin_longjmp_internal): New.
7379 (builtin_longjmp): Use it instead of emit_indirect_jump.
7381 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
7383 * bb-reorder.c (make_reorder_chain_1): Handle case where
7384 jump edge goes to the same block as the fallthru edge.
7386 2001-01-23 Jim Wilson <wilson@redhat.com>
7388 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
7389 * frame.h (__ia64_personality_v1): Add prototype.
7390 * libgcc2.c (ia64_throw_helper): Change personality declaration to
7391 prototype form. Add void * cast to first argument to personality
7392 call.
7393 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
7394 (asctoe113): Likewise.
7395 * config/ia64/frame-ia64.c: Include eh-common.h.
7396 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
7397 prototypes.
7398 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
7399 to dump parameter.
7400 (itanium_split_issue): Add prototype.
7401 (gen_nop_type): Ifdef out.
7402 (find_best_packet): Initialize best_packet.
7403 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
7404 result.
7405 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
7406 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
7407 (flushrs): Add explicit stop bit at end.
7408 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
7409 trailing \ to >.
7411 2001-01-23 Chris Demetriou <cgd@broadcom.com>
7413 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
7414 of EH symbols.
7415 * libgcc2.c (__terminate_func): Make variable static.
7416 (__terminate_set_func): New function to set __terminate_func.
7417 * libgcc2.h (__terminate_func_ptr): New typedef.
7418 (__terminate_set_func): New function.
7420 2001-01-23 Richard Henderson <rth@redhat.com>
7422 * flow.c (init_propagate_block_info): Don't consider unchanging
7423 memories for dead frame store elimination.
7425 2001-01-23 Richard Henderson <rth@redhat.com>
7427 * varasm.c (UNIQUE_SECTION): Move default implementation ...
7428 * defaults.h: ... here.
7430 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7432 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
7434 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
7436 * c-lex.c (lex_charconst): Fix typo: s/p/str.
7438 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7440 * rs6000.h (rs6000_return_addr): Move prototype from here...
7441 * rs6000-protos.h (rs6000_return_addr): ...to here.
7442 (rs6000_init_expanders): Delete prototype.
7444 2001-01-23 Nick Clifton <nickc@redhat.com>
7446 * invoke.texi: Replace , with \, inside @gccoptlist macros.
7447 (Spec Files): Document %B and %j and %. and %v3 and %M and
7448 %{S*&T} spec switches.
7450 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7452 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
7454 2001-01-23 Chris Demetriou <cgd@sibyte.com>
7455 Neil Booth <neil@daikokuya.demon.co.uk>
7457 * cpperror.c: Merge handlers of PEDWARN and WARNING.
7458 Have -Werror make pedantic warnings errors, like the
7459 rest of GCC.
7461 2001-01-23 Phil Edwards <pme@sources.redhat.com>
7463 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
7465 2001-01-23 Jakub Jelinek <jakub@redhat.com>
7467 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
7468 * integrate.c (expand_inline_function): Initialize them.
7469 (subst_constants): If changing COMPARE so that both its arguments
7470 will be VOIDmode and the comparison mode will be lost, note
7471 compare_mode. Use the recorded compare_mode to optimize
7472 IF_THEN_ELSE.
7474 2001-01-23 Jason Merrill <jason@redhat.com>
7476 * dwarf2out.c (new_die): Use xcalloc.
7477 (output_die): Abort rather than emit a local reference to offset 0.
7479 2001-01-17 Andrew Haley <aph@redhat.com>
7481 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
7482 of a saved register; return NULL instead.
7483 (copy_reg): Take a pointer to a source register rather than a
7484 frame_state.
7485 (next_stack_level): Remember the address in the stack frame of all
7486 saved registers.
7487 Use the saved register pointer array as the source of the CFA.
7488 (throw_helper): Rewrite. Unwind once rather than twice and keep
7489 track of saved registers as we go.
7491 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7493 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
7494 * c4x.c (c4x_legitimize_reload_address): Remove.
7495 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
7496 reload address for ldp(k) insn.
7498 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
7500 * pa.md (return_internal): Add a USE of the PIC register to ensure
7501 it is restored after each call.
7502 (return expander): Corresponding changes.
7504 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7506 * rs6000.h (INIT_EXPANDERS): Delete.
7507 (RETURN_ADDR_RTX): Call rs6000_return_addr().
7508 * rs6000.c (rs6000_override_options): Call *_machine_status from
7509 here...
7510 (rs6000_init_expanders): ...instead of here. Delete.
7511 (rs6000_mark_machine_status): New function.
7512 (rs6000_init_machine_status): Use xcalloc.
7513 (rs6000_return_addr): Generate RTX for the return address.
7514 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
7515 (rs6000_stack_info): Use it.
7517 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
7519 * gthr-win32.h: Include errno.h to get a declaration for
7520 EINVAL and _mingw.h if the target is mingw32.
7522 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
7524 * cpp.texi: Correct typos.
7526 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7528 * explow.c (probe_stack_range): Ensure value passed to
7529 stack_check_libfunc is ptr_mode, not Pmode.
7531 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
7533 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
7534 case, don't use operand_subword to calculate a SUBREG that is
7535 wider than a word.
7537 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
7539 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7541 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
7542 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
7543 valid. If not replace it by equivalent insns.
7545 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7547 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
7548 contains SYMBOL_REF, LABEL_REF and CONST_INT.
7549 (c4x_U_constraint, symbolic_address_operand): Likewise.
7550 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
7551 memory.
7552 (c4x_r11_set_p, c4x_check_laj_p): New functions.
7553 * c4x-protos.h (c4x_check_laj_p): Add prototype.
7554 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
7555 anulling slot because of silicon bug.
7556 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
7558 2001-01-22 Alan Modra <alan@linuxcare.com.au>
7560 * cppexp.c (parse_charconst): Change `mask' type to agree
7561 with parse_escape.
7563 2001-01-21 Richard Henderson <rth@redhat.com>
7565 * config/i386/i386.c (ix86_asm_file_end): Disable putting
7566 pic_label_name in a linkonce section.
7568 2001-01-17 Philipp Thomas <pthomas@suse.de>
7570 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
7571 found in libintl.
7572 * configure: Regenerate.
7574 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
7576 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
7577 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
7579 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
7581 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
7582 If REVERSE nonzero then condition code in X must be reversed.
7583 (encode_section_info): Optimise if/else.
7584 (avr_function_value): Fix formatting.
7586 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
7587 (difficult_branch): Likewise.
7588 (rvbranch): Likewise.
7589 (difficult_rvbranch): Likewise.
7591 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
7593 * config/avr/libgcc.S: Fix comment.
7595 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7597 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
7599 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7601 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
7603 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7605 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
7606 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
7607 * configure, config.in: Regenerate.
7608 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
7609 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
7610 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
7611 (doprint.o): New rule.
7613 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
7615 * c-typeck.c (digest_init): Handle boolean types as scalars.
7617 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7619 * stmt.c (expand_return): Don't return anything if size is zero.
7620 Delete redundant assignment to BYTES.
7621 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
7623 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
7625 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
7626 the same as the default library function names.
7627 * config/avr/avr.md: Document special characters after '%'.
7628 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
7629 knowing which of the call-used registers are really clobbered.
7630 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
7631 New. Both quotient and remainder from one libgcc.S call.
7632 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
7633 clobber as few registers as possible.
7634 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
7636 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
7638 * cppmacro.c (funlike_invocation_p): Don't move back up to the
7639 context of the top of the stack.
7641 2001-01-20 Jakub Jelinek <jakub@redhat.com>
7643 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
7644 (fixup_var_refs_insns): ...here.
7646 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
7648 * function.c (fixup_var_refs_insns): Break up into
7649 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
7650 [loop over entire insn list], and fixup_var_refs_insns_with_hash
7651 [loop over hash table entries].
7652 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
7653 fixup_var_refs_insns_with_hash, to match above changes.
7655 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
7657 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
7658 (libgcc.a): Likewise.
7659 (stmp-multilib): Likewise.
7660 (STAGE2_FLAGS_TO_PASS): Likewise.
7662 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
7664 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
7665 temporary if no_new_pseudos.
7667 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
7669 * cppinternals.texi: Update.
7671 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
7673 * arm.c (arm_init_builtins): Re-enable builtins.
7675 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7677 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
7678 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
7679 element to be null, and always expect an EXPR_LIST.
7680 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
7681 * sched-deps.c (sched_analyze_1): Likewise.
7682 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7684 * regclass.c (max_set_parallel): New variable.
7685 (reg_scan): Take it into account in computation of max_parallel.
7686 (reg_scan_mark_refs, case SET): Compute it.
7688 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
7689 args are REG.
7690 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
7691 * function.c (assign_parms): Use INTVAL for a CONST_INT.
7693 2001-01-19 Jason Merrill <jason@redhat.com>
7695 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
7696 for the abstract instance of an inline function.
7698 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
7699 J"orn Rennecke <amylaar@redhat.com>
7701 * reload1.c (move2add_note_store): Treat all registers directly or
7702 indirectly derived from a base register as members of the same set
7703 of values.
7704 (reload_cse_move2add): Adjust accordingly. Take mode and offset
7705 of base register into account.
7707 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
7709 * alias.c (find_base_value): Recognize TRUNCATE.
7710 (record_set): In PLUS case, invalidate if other summand is also a
7711 base value.
7713 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7715 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
7716 entry to be EXPR_LIST.
7717 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
7718 be an EXPR_LIST (but not null, which other code doesn't allow).
7719 (note_stores): Properly handle PARALLEL in SET.
7720 Recursively call for top-level PARALLEL.
7721 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
7722 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7724 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
7726 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
7728 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
7729 not pfile->skipping (== 0).
7731 2001-01-17 Nick Clifton <nickc@redhat.com>
7733 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
7734 machine_status.
7736 2001-01-17 Jim Wilson <wilson@redhat.com>
7738 * invoke.texi (IA-64 options): Improve.
7740 2001-01-17 Tom Tromey <tromey@redhat.com>
7742 * invoke.texi (Optimize Options): Use `{}' to around @samp
7743 argument.
7745 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
7747 * invoke.texi (-fno-guess-branch-probability): New option.
7749 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7751 * combine.c (try_combine): Don't set i3_subst_into_i2 for
7752 case of making new double-word constant.
7753 Revert last change: instead just test i3_subst_into_i2.
7755 2001-01-17 Jakub Jelinek <jakub@redhat.com>
7757 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
7758 Use q constraints instead of r.
7760 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
7762 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
7763 (machine_function): Define.
7764 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
7765 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
7766 pa_free_machine_status): New functions.
7767 (override_options): Set {init,mark,free}_machine_status to above.
7768 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7769 PIC_OFFSET_TABLE_REGNUM_SAVED.
7770 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7771 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
7772 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
7773 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
7774 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7776 2001-01-15 DJ Delorie <dj@redhat.com>
7778 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
7779 (cpp.1): Ditto.
7780 (gcc.1): Ditto.
7782 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7784 * flow.c (propagate_on_insn): Make trying to delete a prologue
7785 or epilogue insn an ICE, not a warning. Allow doing this if
7786 the current function returns with stack pointer depressed.
7788 * combine.c (try_combine): If i3_subst_into_i2, properly check for
7789 I3 having more than one SET.
7791 2001-01-16 Jim Wilson <wilson@redhat.com>
7793 * invoke.texi: Document IA-64 options.
7795 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
7796 (fixup_errata): Delete TARGET_A_STEP use.
7797 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
7798 (TARGET_SWITCHES): Delete -ma-step option.
7799 * config/ia64/ia64.md (all FP patterns): Delete %B0.
7800 (movqicc_astep, movqi_internal_astep, movhicc_astep,
7801 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
7802 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
7803 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
7804 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
7805 Delete.
7806 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
7807 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
7808 cmovsi_internal): Delete ! TARGET_A_STEP check.
7810 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7812 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
7813 possibility to report bugs via postal mail. Change a URL and
7814 merge in a nearly duplicate statement...
7815 (Bug Reporting): ...from here.
7816 (Service): Refer to the Bug Reporting section instead of
7817 duplicating an URL.
7818 (Contributing): Remove trivial explanations concerning snapshots.
7820 2001-01-16 Alan Modra <alan@linuxcare.com.au>
7822 * cppmain.c (general_init): Don't use ANSI prototype.
7824 2001-01-16 Tom Tromey <tromey@redhat.com>
7826 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
7828 2001-01-16 Richard Henderson <rth@redhat.com>
7830 * config/i386/i386.h: Fix comment typo.
7831 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
7832 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
7834 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7836 * gcc.c: Revert previous -fsyntax-only-related change; move
7837 to cp/g++spec.c.
7839 2001-01-16 Jakub Jelinek <jakub@redhat.com>
7841 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
7842 inmode after checking GET_CODE (op).
7844 2001-01-16 Richard Henderson <rth@redhat.com>
7846 * flow.c (struct propagate_block_info): Add mem_set_list_len.
7847 (MAX_MEM_SET_LIST_LEN): New.
7848 (propagate_one_insn): Update mem_set_list_len.
7849 (invalidate_mems_from_autoinc): Likewise.
7850 (invalidate_mems_from_set): Likewise.
7851 (mark_used_regs): Likewise.
7852 (init_propagate_block_info): Likewise. Stop collecting memories
7853 when we reach MAX_MEM_SET_LIST_LEN.
7854 (mark_set_1): Likewise.
7856 2001-01-16 Richard Henderson <rth@redhat.com>
7858 * unroll.c (precondition_loop_p): Fail if no iteration
7859 variable found.
7861 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7863 * gcc.c: When -fsyntax-only is given, do not complain about
7864 unused libraries.
7866 2001-01-15 Richard Henderson <rth@redhat.com>
7868 * config/i386/i386.c (asm_output_function_prefix): Remove.
7869 (ix86_asm_file_end): New.
7870 (load_pic_register): Generate pic_label_name into a
7871 staticly allocated buffer.
7872 * config/i386/i386-protos.h: Update.
7873 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
7874 (ASM_FILE_END): New.
7875 * config/i386/i386afe.h: New file.
7876 * config.gcc (i?86-*-elf) [tm_file]: Use it.
7877 (i?86-*-{freebsd,linux*,moss*}): Likewise.
7878 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
7879 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
7880 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
7881 * config/i386/sco5.h (ASM_FILE_END): Likewise.
7882 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
7884 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
7886 * Makefile.in (install-man): Remove explicit dependency on
7887 $(srcdir)/gcc.1.
7889 * configure.in, configure: Revert previous patch requiring perl
7890 5.6.0.
7892 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
7894 * toplev.c (flag_guess_branch_prob): New.
7895 (f_options): Add guess-branch-probability option.
7896 (rest_of_decl_compilation): Only estimate branch probability if
7897 flag set.
7898 (main): set flag_guess_branch_prob.
7900 * flags.h (flag_guess_branch_prob): New.
7902 2001-01-15 DJ Delorie <dj@redhat.com>
7904 * gcc.texi (Makefile): Add documentation for Makefile targets.
7906 2001-01-15 Philip Blundell <philb@gnu.org>
7908 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
7909 (is_pic): Delete.
7910 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
7911 (is_pic): Delete declaration.
7912 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
7913 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
7914 * config/arm/arm.md (builtin_setjmp_receiver): New.
7916 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7918 * arm.c (use_return_insn): Don't try to determine the function type
7919 until after reload has completed.
7920 (arm_output_epilogue): Don't adjust the sp value recovered from the
7921 stack.
7922 (emit_multi_reg_push): Don't record dwarf information for the pc.
7923 * arm.md (eh_epilogue): The function type may have changed, so it
7924 needs to be recalculated.
7925 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
7926 unwind tables on arm/netbsd.
7928 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7930 * arm.md (cbranchsi4): Correct calculation of branch ranges.
7931 (negated_cbranchsi4): Likewise.
7933 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7935 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
7936 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7937 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
7938 pass -mapcs-* options to assembler.
7939 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
7940 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7941 (ASM_SPEC): Call subtarget_extra_asm_spec.
7943 2001-01-15 Andreas Jaeger <aj@suse.de>
7945 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
7946 warnings.
7947 (ix86_expand_builtin): Likewise.
7949 * gencodes.c (output_predicate_decls): Make i size_t to avoid
7950 warning about comparison between signed and unsigned.
7952 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7954 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
7956 2001-01-14 Ralf Baechle <ralf@gnu.org>
7958 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
7959 SUBTARGET_CPP_SPEC apropriatly.
7961 2001-01-12 Mark Mitchell <mark@codesourcery.com>
7963 * varasm.c (make_decl_rtl): Fix typo in last change.
7965 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
7967 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
7968 linker supports the init_priority C++ attribute.
7969 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
7970 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
7971 linker does not support init_priority C++ attribute.
7973 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
7975 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
7977 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7979 * c-parse.in (finish_parse): Add comment about cpp_destroy.
7980 * cp/lex.c (finish_parse): Similarly.
7981 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
7982 Return the number of errors encountered.
7983 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
7984 * cppmain.c (main): Don't call cpp_destroy.
7986 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
7988 * configure.in: Require at least perl 5.6.0 to regenerate
7989 manpages.
7990 * configure: Regenerate.
7992 2001-01-14 Richard Henderson <rth@redhat.com>
7994 * genrecog.c (DT_veclen_ge): New.
7995 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
7996 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
7997 (nodes_identical_1): Handle DT_veclen_ge.
7998 (write_cond, debug_decision_2): Likewise.
8000 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8002 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
8003 with ...
8004 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
8006 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
8008 * cppmain.c (do_preprocessing): New function; most of the old
8009 main.
8010 (main): Call it to do most of the work.
8011 (cb): Move from global scope to set_callbacks ().
8012 (setup_callbacks): Get the callback pointer.
8013 (general_init, printer_init): Clean up code and comments.
8015 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
8017 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
8018 compiling PIC.
8020 2001-01-14 Kazu Hirata <kazu@hxi.com>
8022 * config/h8300/h8300.c (get_shift_alg): Update comments.
8024 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8026 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
8027 (alloc_page, ggc_alloc): Add casts to remove warnings.
8029 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8031 * combine.c (simplify_comparison): Don't change `code' when
8032 can't reverse comparison.
8034 2001-01-14 Richard Henderson <rth@redhat.com>
8036 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
8037 update all call sites. Return true for all non-label constants.
8039 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
8041 * i386.c (ix86_expand_compare): Add bypass_test and second_test
8042 parameters.
8043 (ix86_expand_branch): Update.
8044 (ix86_expand_setcc): Update to handle multiple test conditions.
8045 (expand_int_movcc): Likewise.
8046 (expand_fp_movcc): Likewise.
8047 * i386-protos.h (ix86_expand_compare): New.
8048 * i386.md (andqi_?_slp, orqi_?_slp): New.
8049 (conditional trap expander): Update call to ix86_expand_compare.
8051 2001-01-14 Richard Henderson <rth@redhat.com>
8053 * config/vax/vax.md: Use nonimmediate_operand instead of
8054 general_operand in destinations.
8056 * config/vax/vax.md (indirect_jump): Use register_operand.
8058 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
8059 * config/vax/vax.md (call_pop): Turn into an expander.
8060 (call_value_pop): Likewise.
8061 (call, call_value): New.
8063 2001-01-14 Andreas Jaeger <aj@suse.de>
8065 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
8066 variables.
8067 (ix86_fp_compare_mode): Add unused attribute.
8068 (ix86_expand_fp_movcc): Remove unused variable.
8069 (ix86_expand_builtin): Make fcode unsigned.
8071 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
8072 (expand_expr): Add cast to avoid signed warning.
8073 (store_field): Likewise.
8074 (store_constructor_field): Likewise.
8075 (store_constructor): Likewise.
8076 (store_expr): Likewise.
8077 (clear_storage): Likewise.
8078 (emit_group_store): Likewise.
8079 (emit_group_load): Likewise.
8081 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8083 * c-common.c: Move format checking code to ...
8084 * c-format.c: ... here. New file. Reorder some functions and
8085 declarations.
8086 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
8087 New functions.
8088 * c-common.h (decl_handle_format_attribute,
8089 decl_handle_format_arg_attribute): Declare.
8090 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
8091 (c-common.o): Adjust dependencies.
8092 (c-format.o): New list of dependencies.
8094 2001-01-13 Jakub Jelinek <jakub@redhat.com>
8096 * unroll.c (loop_iterations): If we cannot prove iteration variable
8097 is set once in each iteration, punt.
8099 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
8101 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
8102 (*strlenhi): Remove clobber (which was buggy) of output address.
8104 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8106 * Makefile.in (generated-manpages): Add gcc.1
8107 ($(srcdir)/gcc.1): New target.
8108 (maintainer-clean): Delete $(srcdir)/gcc.1.
8109 * gcc.texi: Add macros @gccoptlist and @gol.
8110 * invoke.texi: Include option summary in manpage. Mark up option
8111 summary with @gccoptlist and @gol. Use @r in one place where
8112 appropriate.
8113 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
8114 * gcc.1: Generate from invoke.texi.
8116 2001-01-13 Richard Henderson <rth@redhat.com>
8118 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
8119 (struct page_entry): Add group member.
8120 (struct page_group): New.
8121 (struct globals): Add page_groups member.
8122 (alloc_anon): Only define for using mmap; remove valloc call.
8123 (page_group_index): New.
8124 (set_page_group_in_use): New.
8125 (clear_page_group_in_use): New.
8126 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
8127 (free_page, release_pages): Likewise.
8128 * configure.in (with-gc): Default to ggc-page always.
8130 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8132 * reload1.c (replace_pseudos_in_call_usage): Use
8133 reg_equiv_constant and reg_equiv_address, and don't try
8134 regno_reg_rtx first.
8136 2001-01-13 Richard Henderson <rth@redhat.com>
8138 * ggc-page.c (alloc_page): Round up allocation size to one page.
8139 Set e->order on extra pages.
8141 2001-01-13 Richard Henderson <rth@redhat.com>
8143 * genrecog.c (nodes_identical): Expand commentary.
8144 (write_switch): Watch out for identical nodes.
8146 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8148 * cppfiles.c (_cpp_fake_include): New function.
8149 * cpphash.h (_cpp_fake_include): New.
8150 * cpplib.c (do_line): Call _cpp_fake_include when entering
8151 header files in preprocessed input.
8152 * cppmain.c (cb_pragma_implementation): Remove handling.
8153 (setup_callbacks): Don't register pragmas.
8155 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8157 * extend.texi: Udate for CPP.
8159 2001-01-13 Andreas Jaeger <aj@suse.de>
8161 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
8163 * regmove.c: Add prototype for replace_in_call_usage.
8165 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8167 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
8168 struct cpp_chunk, struct htab, struct toklist,
8169 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
8170 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
8171 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
8172 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
8173 (struct macro_args): Delete.
8174 * cpphash.h: See above.
8176 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8178 * cppmain.c (struct printer): Remove no_line_dirs.
8179 (options, cb): New.
8180 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
8181 : Use options rather than CPP_OPTION.
8182 (setup_callbacks): Use cb rather than pfile->cb.
8183 (main): No need to check for a buffer. Use cpp_errors.
8184 (printer_init): Don't set no_line_dirs.
8185 (maybe_print_line): Use options not no_line_dirs.
8186 (cb_file_change): Don't call print_line if -P.
8188 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8190 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
8191 callbacks.
8192 * c-parse.in (finish_parse): Use cpp_errors.
8193 (__yylex): Use return value of cpp_pop_buffer.
8194 * cp/lex.c (finish_parse): Use cpp_errors.
8195 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
8197 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
8199 * README.AVR: URLs corrected.
8201 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8203 * c-decl.c (start_function): Don't warn if old prototype is builtin
8204 that's not in C's namespace.
8205 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
8206 (_bb): Add prototype for ctime.
8207 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
8209 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
8211 * i386.c (ix86_fp_comparison_arithmetics_cost,
8212 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
8213 ix86_fp_comparison_cost): New functions.
8214 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
8215 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
8216 two-branch sequences; make static.
8217 (ix86_use_fcomi_compare): Do decision according to the costs.
8218 (split_fp_branch): New.
8219 * i386.md (compare-and-branch patterns): Use split_fp_branch.
8220 * i386-protos.h (ix86_expand_fp_compare): Remove
8221 (ix86_split_fp_branch): Declare.
8223 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
8224 and ix86_comparison_operator.
8226 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
8227 to make it cheaper.
8229 * i386.c (put_condition_code): Output properly the unordered/ordered
8230 compares in fp case.
8231 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
8233 * tm.texi (REVERSE_CONDITION): Document.
8234 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
8235 in -ffast-math mode.
8236 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
8238 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
8240 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
8242 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
8243 optimized away.
8245 * config/sh/sh.c (mova_p): Fix test for mova_const.
8247 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8249 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
8250 cpp_get_options rather than dereferencing pfile and using
8251 CPP_OPTION.
8252 * scan-decls.c (scan_decls): Use return value of
8253 cpp_pop_buffer rather than CPP_BUFFER.
8255 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
8257 * cppinit.c (cpp_handle_option): help_only is now part of the
8258 cpp_options structure.
8259 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
8260 cpp_set_callbacks): New functions.
8261 * cpplib.h (cpp_callbacks): Break out as a named structure.
8262 (cpp_options): Move help_only here from cpp_reader.
8263 (CPP_FATAL_ERRORS): Update to use cpp_errors.
8264 (cpp_errors, cpp_get_options, cpp_get_callbacks,
8265 cpp_set_callbacks): New prototypes.
8266 * cppmain.c (main): Update for help_only.
8268 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
8270 * Makefile.in (info, maintainer-clean, install-info, uninstall):
8271 Also build and remove and install and uninstall c-tree.info and
8272 cppinternals.info.
8273 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
8274 ($(srcdir)/cppinternals.info): New target.
8275 * c-tree.texi: Change file name used when makeinfo used without -o
8276 from ir.info to c-tree.info. Add info directory entry.
8277 * cppinternals.texi: Add info directory entry.
8278 * .cvsignore: Update.
8280 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8282 * c-typeck.c (store_init_value): Don't require constant initializer
8283 elements with -pedantic -std=c99.
8284 (digest_init): Change error about non-constant initializer elements
8285 into pedwarn.
8286 (constructor_range_end): Remove.
8287 (constructor_incremental, designator_depth,
8288 designator_errorneous): New variables.
8289 (struct constructor_stack): Remove range_end, add incremental.
8290 (struct constructor_range_stack, constructor_range_stack): New.
8291 (struct initializer_stack): Add constructor_range_stack.
8292 (finish_init): Set it.
8293 (start_init): Likewise. require_constant_elements for non-static
8294 trees only if not flag_isoc99.
8295 (really_start_incremental_init): Remove constructor_range_end, add
8296 constructor_incremental.
8297 (pop_init_level): Likewise.
8298 (push_init_level): Likewise. If implicit and the subobject had some
8299 value set already, preinitialize the level with it.
8300 Warn about missing braces only if not pushing due to designators.
8301 (set_designator, push_range_stack): New functions.
8302 (set_init_label): Use them.
8303 (set_init_index): Likewise. Remove constructor_range_end.
8304 Error if designator index is outside of array bounds.
8305 (add_pending_init): Compare values of purpose index trees, not the
8306 trees themselves. Allow overwriting of already initialized element.
8307 Issue a warning if it had side-effects.
8308 (set_nonincremental_init, set_nonincremental_init_from_string): New
8309 functions.
8310 (pending_init_member): Rename to...
8311 (find_init_member): ...this function. Call set_nonincremental_init
8312 if necessary. Compare values of purpose index trees, not the trees
8313 themselves. Return the actual value, not just non-zero if something
8314 is found.
8315 (output_init_element): Remove checks for duplicates.
8316 If field has zero size, only check the initializer for correctness.
8317 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
8318 if constructor_incremental is zero. Change error about initializers
8319 not computable at load time into pedwarn.
8320 (output_pending_init_elements): Compare bit positions, not
8321 FIELD_DECLs to take into account zero-sized fields.
8322 (process_init_element): Use constructor_range_stack to fill all
8323 ranges in the designator lists from current level up.
8324 * extend.texi: Update documentation for labeled elements.
8326 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
8328 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
8329 to function usage for arguments passed by reference. Optimize
8330 callee-copied arguments.
8331 * regmove.c (replace_in_call_usage): New function.
8332 (fixup_match_1): Call it.
8333 * cse.c (cse_insn): Canonicalize registers in function usage.
8334 * reload1.c (replace_pseudos_in_call_usage): New function.
8335 (reload): Call it.
8337 * Makefile.in: Reverted yesterday's wrong patch. Installed the
8338 right version.
8340 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8342 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
8343 not XEXP (tmp, 0).
8345 2001-01-12 DJ Delorie <dj@redhat.com>
8347 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
8348 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
8349 targets.
8351 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8353 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
8354 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
8355 -std options alongside references to -ansi. Update some
8356 documentation for C99.
8357 * cpp.1: Regenerate.
8359 2001-01-12 Andreas Jaeger <aj@suse.de>
8361 * haifa-sched.c (restore_line_notes): Remove argument block B
8362 since it's unused.
8363 * sched-ebb.c (schedule_ebb): Change caller.
8364 * sched-rgn.c (schedule_region): Likewise.
8365 * sched-int.h (restore_line_notes): Adjust prototype.
8367 * loop.h: Remove wrong declaration of doloop_condition_get.
8369 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8371 * extend.texi: Move C++-extension-related node from the C section
8372 into the C++ section.
8374 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8376 * extend.texi: Refer to an array of pointers to functions instead
8377 of one of functions.
8379 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
8380 Jan Hubicka <jh@suse.cz>
8382 * combine.c (reversed_comparison): Fix typo in last patch.
8383 Check X for NULL.
8384 (combine_reversed_comparison_code): Make static to follow
8385 prototype declaration.
8387 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8389 * install.texi: Remove misplaced duplicate entry.
8391 2001-01-11 Ulrich Drepper <drepper@redhat.com>
8393 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
8395 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
8397 * final.c: (leaf_function_p): Fix typo.
8399 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
8401 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
8402 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
8403 which you have.
8404 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
8405 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
8406 mmap_anon, and valloc is available.
8407 * ggc-page.c: Restructure ifdef logic to match new autoconf
8408 spec. Don't throw away the test page in init_ggc.
8410 * configure, config.in: Regenerate.
8412 2001-01-12 Michael Hayes <mhayes@redhat.com>
8414 * loop.h (total_biv_increment): Constify iv_class pointer.
8415 (struct induction): Replace `mem_mode' with `mem' rtx.
8416 * unroll.c (total_biv_increment): Constify iv_class pointer.
8417 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
8418 (find_mem_givs, combine_givs_p): Likewise.
8419 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
8421 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
8423 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
8424 LastError.
8425 (__gthread_getspecific): Ditto.
8427 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
8429 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
8430 put_condition_code): Convert fp comparison codes to integer
8431 before handling.
8432 (ix86_expand_fp_compare): Postnote the fp comparison code converison
8433 to final.
8435 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
8436 * i386-protos.h (no_comparison_operator): Kill.
8438 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
8440 * combine.c (REVERSIBLE_CC_MODE): Remove.
8441 (reversible_comparison_p): Remove.
8442 (combine_reversed_comparison_code): New.
8443 (reversed_comparison): New.
8444 (combine_simplify_rtx): Use
8445 combine_reversed_comparison_code/reversed_comparison instead
8446 of reversible_comparison_p.
8447 (simplify_if_then_else): Likewise.
8448 (simplify_set): Likewise.
8449 (simplify_logical): Likewise.
8450 (if_then_else_cond): Likewise.
8451 (known_cond): Likewise.
8452 (simplify_comparison): Likewise.
8454 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
8456 * builtins.c (std_expand_builtin_va_start): Handle varargs when
8457 sizeof (int) is larger than sizeof(__word__).
8459 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8461 * cppinit.c (do_includes): Fix typo.
8463 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8465 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
8466 in S_REGS does not occur because not all sources are possible
8467 when a S_REGS is a destination (sometimes needs a clobber).
8468 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
8469 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
8470 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
8471 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
8472 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
8473 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
8474 (lshrdi_const1, lshrsi3_const16): Likewise.
8475 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
8476 (*movhi_68hc12, *movqi_68hc12): Likewise.
8477 (movstrictqi): Make sure reloading in D_REGS as a destination
8478 does not happen.
8480 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8482 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8484 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8486 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
8487 -D, -U and -A, and don't initialize the builtins.
8488 (do_includes): Error if -include or -imacros with -fpreprocessed.
8489 * cppmain.c (cb_define, cb_undef): Unconditionally process
8490 the callback.
8491 * tradcpp.c (main): Fix typo.
8493 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
8495 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
8496 (read_name_map): Use IS_ABSOLUTE_PATH.
8497 * tradcpp.c (get_filename): Likewise.
8499 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8501 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
8502 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
8503 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
8504 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
8505 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
8506 (cmphi_z_used): Don't use '@' for the output.
8507 (tstqi_z_used): Likewise.
8508 (cmpqi_z_used): Likewise.
8509 (one_cmplsi2): Likewise.
8511 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8513 * config/sh/sh.c (barrier_align): Recognize branch around far
8514 branch and redundant insn.
8516 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8518 * invoke.texi: Restore documentation of the drivers' switches -MD
8519 and -MMD.
8521 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8523 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
8525 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
8526 check-objc//%): Support parallel testing of multilibs.
8527 (TESTSUITEDIR): Set to testsuite by default, but override for
8528 parallel testing.
8529 (check-gcc, check-g++, check-g77, check-objc): Enter
8530 $(TESTSUITEDIR).
8532 2001-01-11 Bernd Schmidt <bernds@redhat.com>
8534 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
8535 * sched-deps.c (deps_may_trap_p): Likewise.
8536 * basic-block.h: Remove a comment.
8537 * flow.c (PROP_POSTRELOAD): Remove.
8538 (update_life_info): Don't add it to prop_flags.
8539 (mark_set_1): Lose the code that was enabled by it.
8541 2001-01-11 Michael Hayes <mhayes@redhat.com>
8543 * flow.c (flow_call_edges_add): New.
8544 * basic_block.h (flow_call_edges_add): New.
8546 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
8548 * reload1.c (move2add_note_store): Update reg_set_luid even if
8549 base reg remains the same.
8551 2001-01-10 Nick Clifton <nickc@redhat.com>
8553 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
8554 machine_function structure to zero.
8555 Add prototypes for machine_status functions.
8557 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8559 * c-common.h (CTI_VOID_LIST): Remove.
8560 (void_list_node): Likewise.
8561 * tree.h (TI_VOID_LIST_NODE): New enumeral.
8562 (void_list_node): New macro.
8563 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
8564 * config/i386/i386.c (ix86_init_builtins): Likewise.
8565 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
8567 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8569 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
8570 * cppinit.c (cpp_start_read): Update comment, remove unneeded
8571 if statement.
8572 * tradcpp.c: Include mkdeps.h.
8573 (deps, print_deps_phony_targets, deps_append, output_deps,
8574 init_dependency_output, output_deps): New.
8575 (deps_buffer, deps_allocated_size, deps_size, deps_column,
8576 deps_output): Delete.
8577 (print_deps_missing_files): Rename deps_missing_files.
8578 (inhibit_output): Make global.
8579 (main): Delete inhibit_output, deps_stream, deps_target.
8580 Use mkdeps functionality in the same way as cpplib. Remove
8581 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
8582 -M and -MM. Remove old handling of deps via deps_out, and
8583 old reading of environment variables.
8584 (get_filename): Update to use deps_add_dep.
8586 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8588 * output.h (make_function_rtl): Remove prototype.
8589 (make_decl_rtl): Likewise.
8590 * varasm.c (make_function_rtl): Remove.
8591 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
8592 than from a third parameter.
8593 * tree.h (make_decl_rtl): Remove last parameter.
8594 * c-decl.c (builtin_function): Remove last argument in call to
8595 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
8596 (start_function): Likewise.
8597 * except.c (call_get_eh_context): Likewise.
8598 * expr.c (emit_block_move): Likewise.
8599 (clear_storage): Likewise.
8600 * profile.c (output_func_start_profiler): Likewise.
8601 * toplev.c (rest_of_decl_compilation): Likewise.
8602 * objc/objc-act.c (create_builtin_decl): Likewise.
8603 (synth_module_prologue): Likewise.
8604 (generate_static_reference): Likewise.
8605 (build_selector_reference_decl): Likewise.
8606 (build_class_reference_decl): Likewise.
8607 (build_objc_string_decl): Likewise.
8608 (build_protocol_reference): Likewise.
8610 2001-01-10 Richard Henderson <rth@redhat.com>
8612 * hwint.h: Revert yesterday's change.
8614 2001-01-10 Nick Clifton <nickc@redhat.com>
8616 * function.h (save_machine_status): Delete.
8617 (restore_machine_status): Delete.
8618 Amend comment describing {init|mark|free}_machine_status.
8620 * function.c (save_machine_status): Delete.
8621 (restore_machine_status): Delete.
8622 Amend comment describing {init|mark|free}_machine_status.
8623 (push_function_context_to): Remove invocation of
8624 save_machine_status.
8625 (pop_function_context_from): Remove invocation of
8626 restore_machine_status.
8628 * emit-rtl.c (init_emit_once): Amend comment describing
8629 {init|mark|free}_machine_status.
8631 * tm.texi (Per-Function Data): New node. Describe the
8632 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
8633 function pointers.
8635 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8637 * cppinit.c (OPT_g): Remove.
8638 (cpp_handle_option): Update for removed -g3.
8639 (print_help): Update.
8640 * cpplib.h (struct cpp_options): Remove debug_output.
8641 * cppmain.c (setup_callbacks, cb_define): Update.
8642 * gcc.c (cpp_options): Translate -g3 to -dD.
8644 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
8646 * config/i960/i960.md: Change modifier to + on the zero_extract
8647 pattern after the (rotate -2 reg) canonicalization pattern.
8649 2001-01-10 Richard Henderson <rth@redhat.com>
8651 * config/alpha/alpha.c (alpha_free_machine_status): New.
8652 (override_options): Install it.
8653 (alpha_mark_machine_status): Verify machine non-null.
8654 * config/i386/i386.c (ix86_free_machine_status): New.
8655 (override_options): Install it.
8656 (ix86_init_machine_status): Use xcalloc.
8657 (ix86_mark_machine_status): Verify machine non-null.
8658 * config/ia64/ia64.c (ia64_free_machine_status): New.
8659 (ia64_override_options): Install it.
8660 (ia64_mark_machine_status): Verify machine non-null.
8662 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
8664 * function.c (instantiate_virtual_regs): Instantiate virtual
8665 registers found in CALL_INSN_FUNCTION_USAGE.
8667 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8669 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
8670 equivalent to -ansi in disabling -Di386.
8672 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
8674 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
8675 new functions.
8676 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
8678 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
8680 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
8682 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8684 * invoke.texi: Document that -fcond-mismatch isn't supported for
8685 C++.
8687 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8689 * gcc.texi: Define macro gcctabopt.
8690 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
8691 @command, @env and @option in some places where appropriate. Use
8692 @gcctabopt where appropriate. Put URLs and email addresses inside
8693 @w.
8695 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
8697 * gcc.c (cpp_options): Set MD file name from output
8698 filename, if specified.
8699 (suffix_subst): New static variable.
8700 (do_spec): Clear it.
8701 (do_spec_1, case '.'): Handle new `%.suffix' spec.
8702 Clear it.
8703 (give_switch): Handle suffix_subst.
8705 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8707 * invoke.texi: Fix another typo.
8709 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8711 * invoke.texi: Fix typo.
8713 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8715 * c-lang.c (lang_hooks): Update.
8716 (lang_decode_option): Remove.
8717 (lang_init_options): Rename c_init_options.
8718 * toplev.c (main): Use lang_hooks for lang_init_options
8719 and lang_decode_option.
8720 * toplev.h (lang_hooks): Add 2 new hooks.
8721 * tree.h: Remove lang_init_options and lang_decode_option.
8722 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
8723 * cp/decl2.c: Similarly.
8724 * cp/lex.c (lang_init_options): Rename cxx_init_options.
8725 (lang_hooks): Update.
8726 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
8727 for consistency.
8728 (lang_init_options): Rename ffe_init_options.
8729 (lang_hooks): Update.
8730 (lang_decode_option): Remove.
8731 * java/lang.c (lang_init_options): Rename java_init_options.
8732 (lang_decode_option): Rename java_decode_option.
8733 (lang_hooks): Update.
8734 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
8735 (lang_decode_option): Rename objc_decode_option.
8736 (lang_hooks): Update.
8738 2001-01-09 Nick Clifton <nickc@redhat.com>
8740 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
8741 (d30v_return_addr_rtx): Delete.
8742 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
8743 cfun->machine structure.
8744 (struct machine_function): Move to d30v.h
8745 (d30v_save_machine_status): Delete.
8746 (d30v_restore_machine_status): Delete.
8747 (d30v_init_machine_status): New Function.
8748 (d30v_mark_machine_status): New Function.
8749 (d30v_free_machine_status): New Function.
8750 (d30v_init_expanders): Use new functions.
8751 (d30v_return_addr): Use ra_rtx field in cfun->machine.
8752 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
8753 d30v_return_addr_rtx.
8755 * config/d30v/d30v.h (struct_machine): Move here.
8756 Add eh_epilogue_sp_ofs field.
8758 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
8759 field in cfun->machine structure.
8761 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
8763 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
8764 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
8765 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8767 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
8769 * objc/lang-options.h: Remove bogus reference to
8770 Java trademark.
8772 2001-01-09 Kazu Hirata <kazu@hxi.com>
8774 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
8775 return the result.
8777 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
8779 * reload.c (find_reloads_address): Check for eliminable registers
8780 when substituting a constant expression for a pseudo.
8782 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
8784 * c-common.c (enum format_type): Add format_type_error.
8785 (decode_format_type): New function.
8786 (decl_attributes): Use it.
8787 (format_kind_info): Adjust comment.
8789 2001-01-09 David O'Brien <obrien@BSDi.com>
8791 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
8792 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
8793 files in tm_file.
8794 * config/i386/gnu.h: Don't include required platform specific .h files,
8795 tm.h will do it instead.
8796 * config/i386/i386elf.h: Likewise.
8797 * config/i386/linux.h: Likewise.
8798 * config/i386/moss.h: Likewise.
8799 * config/mips/gnu.h: Likewise.
8801 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8803 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
8804 (rs6000-ibm-aix3.[01]*): Likewise.
8805 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
8806 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
8807 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
8808 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
8809 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
8810 (powerpc-*-eabiaix*): Likewise.
8811 (powerpc-*-eabisim*): Likewise.
8812 (powerpc-*-elf*): Likewise.
8813 (powerpc-*-eabi*): Likewise.
8814 (powerpc-*-rtems*): Likewise.
8815 (powerpc-*-linux*libc1): Likewise.
8816 (powerpc-*-linux*): Likewise.
8817 (powerpc-wrs-vxworks*): Likewise.
8818 (powerpcle-wrs-vxworks*): Likewise.
8819 (powerpcle-*-sysv*): Likewise.
8820 (powerpcle-*-elf*): Likewise.
8821 (powerpcle-*-eabisim*): Likewise.
8822 (powerpcle-*-eabi*): Likewise.
8823 (powerpcle-*-solaris2*): Likewise.
8824 * config/rs6000/aix31.h: Delete includes.
8825 * config/rs6000/aix3newas.h: Likewise.
8826 * config/rs6000/aix41.h: Likewise.
8827 * config/rs6000/aix43.h: Likewise.
8828 * config/rs6000/beos.h: Likewise.
8829 * config/rs6000/rtems.h: Likewise.
8830 * config/rs6000/sysv4.h: Likewise.
8832 2001-01-09 Kazu Hirata <kazu@hxi.com>
8834 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
8835 Change an argument mode of machine_mode to shift_mode of
8836 shift_mode. Remove an extra error check.
8837 (emit_a_shift): Adopt to the new calling prototype of
8838 get_shift_alg.
8839 (function_prologue): Fix code for a monitor
8840 function. Support H8/S.
8841 (function_epilogue): Do not output pop for a monitor function.
8843 2001-01-09 Nick Clifton <nickc@redhat.com>
8845 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
8846 (setup_incoming_varargs): Use sysv_varargs_p field of the
8847 cfun->machine structure.
8848 (struct machine_function): Move to rs6000.h
8849 (rs6000_save_machine_status): Delete.
8850 (rs6000_restore_machine_status): Delete.
8851 (rs6000_init_machine_status): New Function.
8852 (rs6000_free_machine_status): New Function.
8853 (rs6000_init_expanders): Use new functions.
8855 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
8856 export.
8857 (struct machine_function): Move here.
8859 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
8860 sysv_varargs_p field of the cfun->machine structure.
8862 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
8863 Remove prototype.
8864 (rs6000_restore_machine_status): Remove prototype.
8866 2001-01-09 Richard Henderson <rth@redhat.com>
8868 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
8869 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
8870 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
8871 (sched_analyze_2, sched_analyze_insn): Likewise.
8872 (sched_analyze, init_deps): Likewise.
8873 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
8874 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
8875 (compute_block_backward_dependences): Update propagate_deps call.
8877 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
8879 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
8881 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8883 * cppinit.c (OPT_MD, OPT_MMD): Restore.
8884 (cpp_handle_option): Handle them.
8885 (cpp_post_options): Ensure one of -M or -MM is specified with
8886 any other -M? option.
8887 (init_dependency_output): Suppress output with -MG.
8889 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8891 * cpp.texi: Update.
8892 * invoke.texi: Update.
8894 2001-01-09 Bernd Schmidt <bernds@redhat.com>
8896 * sh.md (reload_outsf): Generate recognizable patterns for
8897 TARGET_SH3E.
8899 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8901 * c-lang.c (lang_hooks): Update.
8902 (lang_init): Rename c_init.
8903 (lang_finish): Remove.
8904 * toplev.c (compile_file): Use lang_hooks for lang_init ()
8905 and lang_finish ().
8906 * toplev.h (lang_hooks): Add init () and finish ().
8907 * tree.h (lang_init, lang_finish): Remove.
8908 * cp/tree.h (lang_init, lang_finish): Remove.
8909 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
8910 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
8911 lang_hooks): New.
8912 (lang_init, lang_finish): Remove.
8913 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
8914 (lang_hooks): Update.
8915 * java/lang.c (lang_init): Rename java_init.
8916 (lang_finish): Remove.
8917 (lang_hooks): Update.
8918 * objc/objc-act.c (lang_init): Rename objc_init.
8919 (lang_finish): Remove.
8920 (lang_hoooks): Update.
8922 20001-01-09 Graham Stott <grahams@redhat.com>
8924 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
8925 after `ptr` is initialised.
8927 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8929 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
8930 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
8931 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
8932 stack adjusts, instead of r3.
8934 2001-01-09 Michael Hayes <mhayes@redhat.com>
8936 * flow.c (flow_loop_scan): Break out of ...
8937 (flow_loops_find) ... here.
8938 * basic-block.h (flow_loop_scan): New.
8939 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
8940 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
8942 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8944 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
8945 macro_buffer_len.
8946 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
8947 realloc()ing macro_buffer.
8949 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
8950 if it's wider than long and the target's long is wider than the
8951 host's.
8953 2001-01-09 Mark Mitchell <mark@codesourcery.com>
8955 Remove support for using UWIN as a host machine.
8956 * configure.in: Issue an error message.
8957 * configure: Regenerated.
8958 * config.gcc: Remove xm_* UWIN configury.
8959 * config/i386/xm-uwin.h: Remove.
8961 2001-01-08 Nick Clifton <nickc@redhat.com>
8963 * config/v850/v850.c (ra_rtx): Delete.
8964 (v850_save_machine_status): Delete.
8965 (v850_restore_machine_status): Delete.
8966 (v850_init_machine_status): New function.
8967 (v850_mark_machine_status): New function.
8968 (v850_free_machine_status): New function.
8969 (v850_return_addr): Use ra_rtx field in machine structure.
8970 (v850_init_expanders): Use new functions.
8972 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
8973 * config/v850/v850.c: Change arguments to v850_output+* functions
8974 to take a const char *, to avoid compile time warning.
8975 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
8976 (USER_LABEL_PREFIX): Redefine.
8978 2000-01-08 Jim Wilson <wilson@redhat.com>
8980 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
8981 1 to unsigned HOST_WIDE_INT before left shift.
8983 2001-01-08 Nick Clifton <nickc@redhat.com>
8985 * config/arm/arm.c (arm_mark_machine_status): Check to see if
8986 the machine structure has been allocated.
8987 (arm_free_machine_status): New function: Free the machine
8988 specific function structure.
8990 2001-01-08 Richard Henderson <rth@redhat.com>
8992 * jump.c (simplejump_p): Revert last change.
8994 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
8996 * cppinit.c (init): Rename init_library.
8997 (cpp_create_reader): Update.
8998 * gcc.c (cpp_options): If -o given, use it as the target of
8999 any -M options.
9001 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9003 * arm.c (arm_arch5e): New variable.
9004 (all_cores): XScale is a 5TE device.
9005 (arm_override_options): Set arm_arch5e.
9006 (arm_init_builtins): __builtin_prefetch is in arch5e.
9007 * arm.h (arm_arch5e): Declare it.
9009 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
9011 * arm.md (define_constants): Add defines for UNSPEC and
9012 UNSPEC_VOLATILE insns. Update all users.
9013 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
9014 * arm.c (multi_register_push, note_invalid_constants)
9015 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
9016 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
9017 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
9019 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
9021 * jump.c (jump_optimize_1): Use reversed_comparison_code
9022 instead of can_reverse_comparison_p.
9023 (jump_back_p): Likewise.
9024 (invert_exp_1): Likewise.
9025 (thread_jumps): Likewise.
9026 * simplify-rtx.c (simplify_unary_operation): Likewise.
9027 (simplify_ternary_operation): Likewise.
9028 * cse.c (find_comparison_args): Convert to use
9029 can_reverse_comparison_p.
9030 (record_jump_equiv): Likewise.
9032 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
9034 * arm.h (HARD_REGNO_RENAME_OK): Delete.
9035 (EPILOGUE_USES): Define.
9036 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
9037 automatically stack the LR if it isn't live.
9039 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
9041 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
9042 properly.
9044 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
9046 * ggc-page.c (max_alignment): New structure.
9047 (MAX_ALIGNMENT): New macro.
9048 (init_ggc): Use it to round up the sizes in the
9049 extra_order_size_table.
9051 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9053 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
9054 after reload.
9056 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9058 * builtins.def (BUILT_IN_FPRINTF): New entry.
9060 * c-common.c (c_expand_builtin_fprintf): New function.
9061 (init_function_format_info): Handle __builtin_fprintf.
9062 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
9063 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
9065 * c-decl.c (duplicate_decls): Adjust comment.
9067 * extend.texi (fprintf): Document new builtin.
9069 2001-01-07 Richard Henderson <rth@redhat.com>
9071 * jump.c (simplejump_p): Recognize any single_set jump
9072 of the proper form.
9074 2001-01-07 Richard Henderson <rth@redhat.com>
9076 * configure.in (slibdir): Accept an --with-slibdir option.
9077 Use "test" not "[" in configure. Default to $(libdir).
9079 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
9080 fix typo in rm -f.
9081 * config/t-aix43 (SHLIB_INSTALL): Likewise.
9082 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
9083 (SHLIB_LINK): Create links for the soname.
9084 * config/mips/t-iris6: Likewise.
9085 * config/sparc/t-slibgcc: Likewise.
9086 * config/sparc/t-slibgcc-sld: Likewise.
9088 2001-01-07 Jakub Jelinek <jakub@redhat.com>
9090 * config/i386/i386.c (constant_call_address_operand): Accept
9091 (const (plus (symbol_ref) (const_int))).
9092 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
9093 constant_call_address_operand.
9095 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9097 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
9098 and LONG_LONG_TYPE_SIZE > 32.
9100 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9102 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
9103 the previous change.
9105 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
9107 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
9108 New.
9109 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
9110 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
9111 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
9112 Declare.
9114 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9116 * fix-header.c (read_scan_file): s/pfile/scan_in/.
9118 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9120 * c-lang.c (c_post_options): Call cpp_post_options.
9121 * objc/objc-act.c (objc_post_options): Similarly.
9122 * cppmain.c (main): Similarly.
9123 * fix-header.c (read_scan_file): Similarly.
9124 * cppinit.c (cpp_start_read): Move option consistency checks
9125 to cpp_post_options. Don't call init_dependency_output.
9126 If needed, add default target and main file dependency.
9127 (OPT_MD, OPT_MMD): Remove.
9128 (OPT_MF): New.
9129 (cpp_handle_option): Update for OPT_* changes.
9130 (cpp_post_options): New.
9131 (init_dependency_output): Command line -MF overrides environment
9132 variables. Don't set default target etc. Suppress output
9133 if dependencies are going to stdout.
9134 (print_help): Update.
9135 * cpplib.h (cpp_post_options): New.
9136 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
9138 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
9140 * jump.c (comparison_dominates_p): Support unordered compares.
9142 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
9144 * simplify-rtx.c (simplify_relational_operation): Always simplify
9145 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
9146 and UNGE.
9148 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
9150 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
9151 (nonzero_bits): Likewise.
9152 (simplify_comparison): Likewise.
9153 (num_sign_bit_copies): Likewise; return more sane value depending
9154 on STORE_FLAG_VALUE.
9155 (known_cond): Do not assume EQ to be always true for equivalent
9156 operands.
9158 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
9160 * cse.c (fold_rtx): Handle unordered comparisons.
9162 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
9164 * rtlanal.c (set_of_1): New static function.
9165 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
9166 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
9167 reg_set_last_last_regno): Remove.
9168 (set_of): New global function.
9169 (set_of_data): New structure.
9170 (reg_set_p, reg_set_last): Revamp for set_of.
9171 * rtl.h (set_of): New.
9173 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
9175 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
9176 * extend.texi: Document _Exit builtin.
9178 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9180 * (initialize, initialize_builtins,
9181 initialize_dependency_output, initialize_standard_includes):
9182 Rename s/initialize/init. Update.
9183 (init_dependency_output): Move to after
9184 cpp_handle_options, the correct location temporally at least.
9185 (opt_comp): Move next to init (), its caller. Fix prototype.
9186 (init): Make "initialized" local scope.
9187 (cpp_create_reader): Always call init ().
9188 (cpp_start_read): Update.
9189 (output_deps): New function, broken out of cpp_finish.
9190 (cpp_finish): Break out output_deps.
9192 2001-01-07 Richard Henderson <rth@redhat.com>
9194 * collect2.c (COFF specific stuff): Revert 12-06 patch
9195 to prototype system functions.
9197 2001-01-07 Michael Hayes <mhayes@redhat.com>
9199 * hard-reg-set.h: Add multiple include guard.
9200 * basic-block.h (struct loop): Add `sink' field.
9201 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
9202 (emit_iv_add_mult): Delete.
9203 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
9204 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
9205 (unroll_loop): Remove end_insert_before argument.
9206 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
9207 (maybe_eliminate_biv_1): Likewise.
9208 (emit_iv_add_mult): Delete.
9209 (gen_add_mult, loop_regs_update): New.
9210 (loop_insn_emit_after, loop_insn_emit_before): New.
9211 (loop_insn_sink, loop_insn_sink_or_swim): New.
9212 (emit_iv_add_mult): Delete.
9213 (scan_loop): Set loop->sink.
9214 (loop_givs_reduce): Use loop_insn_sink and its ilk.
9215 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
9216 (maybe_eliminate_biv_1): Likewise.
9217 (maybe_eliminate_biv_1): Add basic block argument.
9218 * unroll.c (unroll_loop): Remove end_insert_before argument.
9219 (find_splittable_regs): Likewise.
9220 (find_splittable_regs): Use loop_insn_sink and its ilk.
9221 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
9223 2001-01-07 Michael Hayes <mhayes@redhat.com>
9225 * loop.h (loop_insn_hoist): New prototype.
9226 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
9227 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
9228 (check_dbra_loop, load_mems): Likewise.
9229 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
9230 (find_splittable_givs): Likewise.
9232 2001-01-07 Michael Hayes <mhayes@redhat.com>
9234 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
9236 2001-01-07 Richard Henderson <rth@redhat.com>
9238 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
9240 2001-01-07 Richard Henderson <rth@redhat.com>
9242 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
9243 NO_SHARED_LIBGCC_MULTILIB as required for the target.
9244 * gcc.c (init_spec): Massage the existing libgcc_spec into a
9245 variant that handles a shared libgcc.
9246 (process_command): Always validate -{static,shared}-libgcc.
9247 (do_spec_1): New 'M' case.
9248 * invoke.text (Link Options): Document -{static,shared}-libgcc.
9250 2001-01-07 Richard Henderson <rth@redhat.com>
9252 * Makefile.in (slibdir): New variable.
9253 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
9254 (installdirs): Create slibdir.
9255 (install-libgcc, install-multilib): Defer to libgcc.mk.
9256 * configure.in (slibdir): Substitute.
9257 * mklibgcc.in (install): New target.
9259 * config/t-linux (SHLIB_LINK): Create links for the soname.
9260 (SHLIB_INSTALL): New.
9261 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
9262 * config/mips/t-iris6 (SHLIB_INSTALL): New.
9263 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
9264 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
9265 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
9267 2001-01-07 Richard Henderson <rth@redhat.com>
9269 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
9270 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
9271 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
9273 2001-01-07 Michael Hayes <mhayes@redhat.com>
9275 * loop.c (count_loop_regs_set): Delete.
9276 (load_mems_and_recount_loop_regs_set): Delete.
9277 (loop_regs_scan): Merge common code from count_loop_regs_set,
9278 scan_loop, and load_mems_and_recount_loop_regs_set.
9279 (scan_loop): Call load_mems directly and loop_regs_scan
9280 again if new registers created.
9282 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9284 * toplev.c (main): Call the front-end specific post_options
9285 hook if one is given.
9286 * toplev.h (struct_lang_hooks, lang_hooks): New.
9287 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
9288 for the C front end.
9289 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
9290 lang_hooks for the C++ front end.
9291 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
9292 lang_hooks for the ObjC front end.
9293 * f/com.c (lang_hooks): Hooks for the Fortran front end.
9294 * java/lang.c (lang_hooks): Hooks for the Java front end.
9296 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
9298 * c-lex.c (init_c_lex): Request #define / #undef callbacks
9299 for verbose DWARF[2] debugging.
9300 (cb_define, cb_undef): The new callbacks.
9301 * toplev.h (debug_define, debug_undef): Make const correct.
9302 * toplev.c (debug_define, debug_undef): Similarly. Do not
9303 perform the verbosity tests here anymore.
9305 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
9307 * reload.c (subst_reloads): Take INSN argument. When
9308 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
9309 * reload.h (subst_reloads): Adjust prototype.
9310 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
9311 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
9312 present in JUMP_INSNs and copy them to JUMP_LABEL.
9313 * flow.c (find_label_refs, find_basic_blocks_1): Skip
9314 JUMP_INSNs and insns with REG_LABELs that are followed by
9315 JUMP_INSNs with the same REG_LABEL.
9316 * sched-rgn.c (is_cfg_nonregular): Likewise.
9317 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
9318 note is available.
9319 * unroll.c (unroll_loop): Look for REG_LABEL notes in
9320 JUMP_INSNs too.
9321 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
9323 2001-01-06 Richard Henderson <rth@redhat.com>
9325 * loop.c (scan_loop): Use xcalloc for the regs array.
9326 (load_mems_and_recount_loop_regs_set): Zero the new memory
9327 received from xrealloc.
9329 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
9331 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
9333 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
9335 * integrate.c (copy_rtx_and_substitute): When copying
9336 an ignored return value, strip REG_FUNCTION_VALUE_P.
9338 2001-01-06 Michael Hayes <mhayes@redhat.com>
9340 * loop.c (debug_biv, debug_giv): New.
9341 (loop_biv_dump): Break out from ...
9342 (record_biv): ... here.
9343 (loop_giv_dump): Break out from ...
9344 (record_giv): ... here.
9345 (loop_bivs_check): Use print_simple_rtl.
9346 * unroll.c (loop_iterations): Use print_simple_rtl.
9348 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
9350 * pa.md (return, return_internal): Modify patterns to prevent regrename
9351 mucking with the return pointer.
9353 2001-01-05 Richard Henderson <rth@redhat.com>
9355 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
9357 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
9359 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
9360 version supplied by Matteo Frigo.
9362 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9364 * cpp.texi: Update for -MQ.
9365 * cppinit.c (cpp_create_reader): Always create pfile->deps.
9366 (cpp_cleanup): Always free pfile->deps.
9367 (initialize_dependency_output): Don't create pfile->deps.
9368 (cpp_handle_option): Similarly.
9369 (OPT_MQ): New.
9370 * gcc.c (cpp_options): Handle -MQ.
9371 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9372 * mkdeps.c (base_name): Remove.
9373 (deps_init): Don't allocate vector space until it's needed.
9374 (deps_free): Only free vectors if allocated.
9375 (deps_add_target, deps_add_dep): Update for initial allocation.
9376 (deps_add_default_target): Don't strip to the base_name.
9378 2001-01-05 DJ Delorie <dj@redhat.com>
9380 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
9381 (INIT_EXPANDERS): Define.
9383 * config/v850/v850.c (struct machine_function): Define.
9384 (v850_save_machine_status): New function.
9385 (v850_restore_machine_status): New function.
9386 (v850_return_addr): New function.
9387 (v850_init_expanders): New function.
9389 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
9390 and v850_init_expanders.
9392 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9394 * cpplib.h (struct cpp_reader): Add help_only field.
9395 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
9396 (cpp_handle_option): Set pfile->help_only if we see -h,
9397 --help, -target-help, or --version. Print version string but
9398 do not set help_only if we see -v or -version. Make text
9399 printed by -v match that printed by (-)-version.
9401 * cppmain.c (main): Exit after option parsing if
9402 pfile->help_only is true.
9404 * toplev.c (independent_decode_option): Call print_version,
9405 then exit, if we see --version (but not -version).
9406 (print_version): Split lengthy message into two lines.
9408 2001-01-05 Nick Clifton <nickc@redhat.com>
9410 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
9411 temporary string for initialisation before calling ggc_alloc_string.
9413 2001-01-06 Michael Hayes <mhayes@redhat.com>
9415 * rtl.h (print_simple_rtl): New.
9416 * print-rtl.c (print_simple_rtl): New.
9417 (flag_simple): New.
9418 (print_rtx): Disable printing of flags and modes, etc.,
9419 if `flag_simple` nonzero.
9421 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9423 * function.c (fixup_var_refs): Use push_to_full_sequence where
9424 possible.
9426 2001-01-05 Michael Meissner <meissner@redhat.com>
9428 * flags.h (flag_reorder_blocks): Add declaration.
9429 (flag_rename_block): Ditto.
9431 2001-01-05 DJ Delorie <dj@redhat.com>
9433 * function.c (reorder_blocks): Make sure the flags are all reset
9434 before using them to mark blocks, else a second invocation will
9435 corrupt the block chain.
9436 (reorder_blocks_0): New, resets the flags.
9438 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
9440 * cse.c (find_comparison_args): Stop if the argument is known to
9441 be constant.
9443 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9445 * config/sh/sh.md (movdf): When splitting load into pair of
9446 registers, don't clobber the register used in the address too
9447 early.
9449 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
9451 * varasm.c (mark_constant_pool): Improve initial comments.
9452 (mark_constants): Move marking of constants to mark_constant.
9453 (mark_constant): New function to recursively mark all constants
9454 referred to by a constant.
9456 2001-01-05 Catherine Moore <clm@redhat.com>
9458 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
9460 2001-01-05 Phil Edwards <pme@sources.redhat.com>
9462 * cp/lang-options.h: Bring comment in line with reality.
9463 * f/lang-options.h: Likewise.
9464 * java/lang-options.h: Likewise.
9465 * objc/lang-options.h: Likewise.
9466 * ch/lang-options.h: Likewise.
9467 * f/g77.texi: And update the manual.
9469 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
9470 Denis Chertykov <denisc@overta.ru>
9472 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
9473 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
9474 * config/avr/avr.md (all peepholes that request a scratch register):
9475 Call it, FAIL the peephole if not safe (in interrupt functions).
9477 2001-01-05 Mark Mitchell <mark@codesourcery.com>
9479 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
9481 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
9483 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
9484 Define.
9485 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
9486 BUILT_IN_CREAL and BUILT_IN_CIMAG.
9487 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
9488 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
9489 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
9490 BUILT_IN_CIMAG.
9491 * extend.texi: Document these builtins.
9493 2001-01-05 Daniel Berlin <dberlin@redhat.com>
9495 * c-common.c (lang_get_alias_set): Say we know nothing of
9496 VECTOR_TYPE aliasing.
9498 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
9500 2001-01-05 Bruce Korb <bkorb@gnu.org>
9502 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
9503 their x* equivalent versions for atexit-less systems
9504 * fixinc/fixincl.c(main): do not return from main() on atexit-less
9505 systems (or any other system any more).
9507 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
9509 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
9510 output operands. Use arm_hard_register_operand for operand 4.
9511 (stmsi_postinc): Similarly.
9512 (ldmsi): Use arm_hard_register_operand for opernand 2.
9513 (stmsi): Similarly.
9514 * arm.c (arm_hard_register_operand): New function.
9515 * arm-protos.h (arm_hard_register_operand): Prototype it.
9517 * arm.h (HARD_REGNO_RENAME_OK): Define.
9519 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
9521 * simplify-rtx.c (cfc_args): add "unordered" field.
9522 (check_fold_consts): Set unordered field.
9523 (simplify_relational_operation): Simplify the unordered
9524 comparisons.
9526 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
9527 is valid.
9529 * emit-rtl.c (try_split): Fix code to mark labels.
9530 * jump.c (mark_jump_label): Make global.
9531 * rtl.h (mark_jump_label): Declare.
9533 * predict.c (estimate_probability): Handle unordred comparisons.
9535 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9537 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
9538 * cppinit.c (initialize_dependency_output): Update.
9539 (cpp_finish): Output dummy targets for -MP.
9540 (OPT_MP): New.
9541 (cpp_handle_option): Handle -MP. Don't quote -MT options.
9542 * cpplib.h (struct cpp_options): Add deps_phony_targets.
9543 * gcc.c (cpp_options): Update to handle -MP.
9544 * mkdeps.c (deps_add_target, deps_add_default_target): Update
9545 to quote only the default target.
9546 (deps_phony_targets): Insert a preceding newline. Rename from
9547 deps_dummy_targets for consistency.
9548 * mkdeps.h: Update
9550 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9552 * calls.c (emit_library_call_value_1): Support
9553 INIT_CUMULATIVE_LIBCALL_ARGS.
9554 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
9556 2001-01-04 Richard Henderson <rth@redhat.com>
9558 * c-decl.c (finish_struct): Detect flexible array members
9559 used in an inappropriate context.
9560 * c-typeck.c (really_start_incremental_init): Special case
9561 constructor_max_index for zero length arrays.
9562 (pop_init_level): Allow initialization of flexible array
9563 members. Deprecate initialization of zero length arrays.
9564 Don't issue missing initializer warning for flexible array
9565 members or zero length arrays.
9566 (process_init_element): Don't dereference null DECL_SIZE.
9567 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
9568 Don't abort for empty constructors. Use size_binop
9569 (output_constructor): Add commentary regarding zero length
9570 array futures. Abort if we try to initialize an array of
9571 unspecified length with a non-empty constructor in the middle
9572 of a structure.
9574 * extend.texi (Zero Length): Update and clarify documentation
9575 on static initialization.
9577 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9579 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
9580 with more than 32767 words of local storage.
9582 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9584 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
9585 for 'abs', 'labs', and 'fabs'.
9586 (c4x_expand_builtin): Likewise.
9587 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
9589 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9591 * config/sh/sh.md (prget, prset): New insn types.
9592 (return delay slot): Dont' allow prset.
9593 (call, sfunc delay slot): Don't allow prget.
9594 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
9595 for prset and prget.
9597 2001-01-05 Michael Hayes <mhayes@redhat.com>
9599 * loop.h (struct loop_reg): New.
9600 (struct loop_regs): Change to use array of `struct loop_reg'.
9601 * loop.c: Replace assortment of varrays with single regs array.
9602 (count_one_set): Delete may_not_move array argument
9603 and use regs array instead. All caller's changed.
9604 (count_loop_regs_set): Delete may_not_move and single_usage
9605 arguments and use regs array instead. All caller's changed.
9606 (find_single_use_in_loop): Replace usage array argument with pointer
9607 to regs structure. All caller's changed.
9608 (loop_optimize): Delete `moved_once' array.
9610 2001-01-05 Michael Hayes <mhayes@redhat.com>
9612 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
9613 Use it instead of loop_info->has_call for scanning loop mems.
9614 (check_dbra_loop): Replace loop_info->has_call test with
9615 loop_info->has_nonconst_call.
9617 2000-01-04 Matthew Hiller <hiller@redhat.com>
9619 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
9620 for TARGET_SH3E.
9622 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9624 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
9625 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
9627 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9629 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
9630 (flag_short_double, flag_short_wchar): Define.
9631 (c_common_nodes_and_builtins): Create many tree nodes shared
9632 between C and C++ here instead of in cp/decl.c and ...
9633 * c-decl.c (init_decl_processing): ... here.
9634 (SIZE_TYPE, WCHAR_TYPE): Don't define.
9635 (flag_short_double, flag_short_wchar): Don't define.
9636 (record_builtin_type): New function.
9637 (build_void_list_node): New function.
9638 * c-common.h (flag_short_double, flag_short_wchar,
9639 record_builtin_type, build_void_list_node): Declare.
9641 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
9643 * integrate.c (expand_inline_function): Don't put a virtual
9644 register into the reg map.
9646 * function.c (fixup_var_refs_1): If force_operand didn't put
9647 the address into the target, move it there.
9649 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9651 Special-case tree_decl/tree_list allocations.
9652 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
9653 (OBJECT_SIZE): New macro.
9654 (NUM_EXTRA_ORDER): Likewise.
9655 (extra_order_size_table): New variable.
9656 (NUM_ORDERS): New macro.
9657 (objects_per_page_table): New variable.
9658 (object_size_table): New variable.
9659 (G.pages): Use NUM_ORDERS to bound the array.
9660 (G.page_tails): Likewise.
9661 (DIV_ROUND_UP): Remove.
9662 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
9663 (alloc_page): Use OBJECT_SIZE.
9664 (size_lookup): Don't make it const.
9665 (ggc_alloc): Use OBJECT_SIZE.
9666 (ggc_set_mark): Likewise.
9667 (ggc_get_size): Likewise.
9668 (init_ggc): Set up the object_size_table, objects_per_page_table,
9669 and adjust size_lookup.
9670 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
9671 (ggc_pop_context): Use NUM_ORDERS.
9672 (clear_marks): Likewise.
9673 (sweep_pages): Likewise.
9674 (poison_pages): Likewise.
9675 (ggc_print_statistics): Use OBJECT_SIZE.
9677 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9679 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
9680 Only call array_size_for_constructor if last field and array type
9681 with no upper bound.
9683 2001-01-04 Philip Blundell <philb@gnu.org>
9685 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
9686 from bit 31 downwards, if this requires no more insns.
9687 (count_insns_for_constant): New helper function for above.
9689 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
9691 * gencodes.c (output_predicate_decls): Remove empty initializer.
9693 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9695 * tree.c (copy_node): Remove documentation about obstacks.
9696 (buidl1): Check that nobody tries to build 2-argument nodes this
9697 way.
9699 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9701 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
9702 fp_high_losum_p.
9704 * gencodes.c (output_predicate_decls): Fill empty initializer
9705 braces.
9707 2001-01-04 Jakub Jelinek <jakub@redhat.com>
9709 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
9710 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
9711 or -MM.
9712 (do_include): Handle missing headers like cpp0.
9713 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
9714 paths with first include pathname. Don't strcat to uninitialized
9715 string.
9717 2001-01-04 Bernd Schmidt <bernds@redhat.com>
9719 * regrename.c (regrename_optimize): Don't rename from frame pointer
9720 if frame_pointer_needed.
9721 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
9722 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
9723 (ia64_reorg): Use it instead of scheduling if ! optimize.
9724 (errata_emit_nops): Properly call asm_noperands.
9725 (ia64_sched_reorder): Finish cycle if we see an asm.
9726 (ia64_variable_issue): Clear scheduling state after asms.
9728 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
9730 * cpp.texi: Update for -MT.
9731 * cppinit.c (initialize_dependency_output): Add a default
9732 target if none has been given already.
9733 (no_tgt, OPT_MT): New.
9734 (cpp_handle_option): Handle -MT. Update -M etc.
9735 * cpplib.h (struct cpp_options): Remove deps_target.
9736 * gcc.c (cpp_options): Handle -MT.
9737 * mkdeps.c (struct deps): Move from mkdeps.h.
9738 (deps_calc_target): Rename deps_add_default_target. Add a
9739 default target if none has been specified already.
9740 * mkdeps.h (struct deps): Move to mkdeps.c.
9741 (deps_calc_target): Rename deps_add_default_target.
9743 2000-01-03 Richard Henderson <rth@redhat.com>
9745 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
9746 Remove dead code.
9747 * c-typeck.c (push_init_level): Move checks for flexible array
9748 members and zero length arrays ...
9749 (pop_init_level): ... here. Silently discard empty initializations.
9750 Remove dead code.
9751 * varasm.c (output_constructor): Update for sizeof change to
9752 zero-length arrays.
9754 * extend.texi (Zero Length): Clarify semantics.
9756 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9758 * configure.in (tm.h): Include isns-codes.h last.
9759 * configure: Rebuilt.
9761 2001-01-03 Richard Henderson <rth@redhat.com>
9763 * config/alpha/alpha.md (addvsi3, addvdi3): New.
9764 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
9766 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9768 * tradcpp.c (main): Make sure finclude() is called with a valid
9769 indepth value while handling -include.
9771 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9773 * gencodes.c (output_predicate_decls): New function.
9774 (main): Call it.
9775 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
9776 even if it is not the first time machmode.h is #included.
9777 * config/sh/sh.c (fpul_operand): Declare MODE argument.
9778 * tm.texi (PREDICATE_CODES): Document predicate declarations.
9779 * gcc.texi (Copyright): Added 2001.
9781 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9783 * c-common.c (c_common_lang_init): New function. Warn if format
9784 warning options which only have effects when used with -Wformat
9785 are used without -Wformat.
9786 * c-common.h (c_common_lang_init): Declare.
9787 * c-lang.c (lang_init): Call c_common_lang_init.
9788 * objc/objc-act.c (lang_init): Call c_common_lang_init.
9790 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9792 * configure.in: Check for the mktemp command.
9793 * configure: Regenerate.
9794 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
9795 $TEMP. Create temporary files with mktemp, if available at
9796 configure time; otherwise use set -C. Remove temporary files
9797 before exit.
9799 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9801 * configure.in: Require at least texinfo 4.0. Check for whether
9802 Pod::Man is sufficiently recent to regenerate GCC manpages.
9803 * configure: Regenerate.
9804 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
9805 on #!.
9806 (GENERATED_MANPAGES): Define.
9807 (generated-manpages): New target. Depend on cpp.1 as well as
9808 gcov.1.
9809 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
9810 configure to generated-manpages or empty) rather than on the
9811 manpages directly. Remove execute permission from installed
9812 gcov.1 as well as cpp.1.
9813 * cpp.1, gcov.1: Regenerate.
9815 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9817 * builtins.c (expand_builtin_strncmp): Use host_integerp and
9818 tree_low_cst. Allow using cmpstrsi in more cases.
9820 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9822 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
9823 sized types.
9825 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
9827 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
9828 * Makefile.in (HOST_CFLAGS): Mention build-make.
9830 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9832 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
9833 as JUMP_INSN.
9835 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9837 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
9838 a REG rtx.
9840 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
9841 callers changed.
9843 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
9844 reg_base_value and reg_known_value arrays.
9845 (init_alias_analysis): Add more cases to detect known values.
9846 * sched-deps.c (deps_may_trap_p): New function.
9847 (sched_analyze_2): Use it.
9849 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9851 * combine.c (simplify_shift_const): Even if we're sign-extracting,
9852 don't discard an ASHIFTRT if we're shifting in a wider mode.
9854 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9856 * toplev.c (rest_of_compilation): Don't print basic block information
9857 when CFG isn't up to date.
9859 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
9861 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
9862 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
9863 (UNALIGNED_SHORT_ASM_OP): Define.
9864 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
9866 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9868 * fold-const.c (fold_convert): Fix typo.
9870 2001-01-02 Richard Henderson <rth@redhat.com>
9872 * c-common.h (ASM_INPUT_P): New.
9873 * c-parse.in (asm): Set it when needed.
9874 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
9875 existance of an operand.
9877 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
9879 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
9880 (dwarf2out_frame_debug_expr): Likewise.
9881 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
9883 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
9885 * i386.c (ix86_split_to_parts): Return number of part required;
9886 handle TFmodes.
9887 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
9888 TFmodes.
9889 (ix86_split_long_move): Use number of part returned
9890 by ix86_split_to_parts
9891 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
9892 New macros.
9893 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
9894 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
9895 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
9896 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
9897 (ALIGN_MODE_128): Add TFmode.
9898 (IS_STACK_MODE): Likewise.
9899 (HARD_REGNO_NREGS): TFmode needs 3 registers.
9900 (HARD_REGNO_OK): Support TFmodes.
9901 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
9902 * i386.md (scheduler definitions): Use memory operand to determine
9903 fst/fld instructions; use mode attribute to determine real mode of
9904 the instruction.
9905 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
9906 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
9908 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9910 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
9912 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9914 * expr.c (store_constructor_field): Update ALIGN before calling
9915 store_constructor.
9917 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9919 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
9920 host_integerp.
9922 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9924 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
9925 incomplete type.
9927 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9929 * c-decl.c (start_function): Don't warn on third parameter to main.
9931 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9933 * tsystem.h: Define HAVE_DECL_GETOPT.
9935 2001-01-02 Philip Blundell <pb@futuretv.com>
9937 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
9938 of input operand.
9940 2001-01-02 Richard Henderson <rth@redhat.com>
9942 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
9944 2001-01-02 Andreas Jaeger <aj@suse.de>
9946 * c-decl.c (c_decode_option): Remove support of
9947 -Wmissing-noreturn.
9949 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
9950 (W_options): Add -Wmissing-noreturn here.
9952 * flow.c: Define lang_missing_noreturn_ok_p.
9953 (check_function_return_warnings): Use it.
9955 * c-common.h: Declare lang_missing_noreturn_ok_p.
9957 * c-lang.c (c_missing_noreturn_ok_p): New function.
9958 (lang_init): Set lang_missing_noreturn_ok_p.
9960 * invoke.texi (Warning Options): Document this.
9962 2000-12-27 Phil Edwards <pme@sources.redhat.com>
9964 * extend.texi (C++ Extensions): New node for C++ attributes;
9965 describe init_priority and com_interface.
9966 * invoke.texi: Remove -finit-priority as it now has zero effect.
9967 * install.texi: Fix xref syntax.
9968 * md.texi: Likewise.
9970 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9972 * config.gcc (sparc64-wrs-vxworks*): New case.
9973 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
9975 * config/sparc/sparc.c (sparc_override_options): Do support different
9976 pointer and architecture size.
9977 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
9978 (POINTERS_EXTEND_UNSIGNED): Define.
9979 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
9980 (FUNCTION_MODE): Define to be Pmode.
9981 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
9983 * function.c (expand_function_end): Properly handle DECL_RESULT
9984 and copy when ptr_mode != Pmode.
9985 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
9987 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9989 * c-common.c (c_common_nodes_and_builtins): Set prototype
9990 parameters for __builtin_fputs, __builtin_fputc and
9991 __builtin_fwrite. Don't declare plain fputc as a builtin.
9993 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9995 * loop.c (add_label_notes): Increment the label usage count when
9996 a note is added to an insn which refers to a CODE_LABEL.
9997 * gcse.c (add_label_notes): Likewise.
9999 2001-01-01 Andreas Jaeger <aj@suse.de>
10001 * loop.c (scan_loop): Use xmalloc to allocate movables.
10003 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
10005 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
10006 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
10007 * reload1.c (REGISTER_MOVE_COST): Likewise.
10008 * regclass.c (REGISTER_MOVE_COST): Likewise.
10009 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
10010 dimension. Adjust all users.
10011 (init_reg_sets_1): Iterate on all modes.
10012 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
10013 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
10014 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
10015 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
10016 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
10017 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
10018 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
10019 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
10020 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
10021 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
10022 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
10023 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
10024 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
10025 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
10026 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
10027 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
10028 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
10029 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
10030 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
10031 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
10032 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
10033 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
10034 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
10035 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
10036 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
10037 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
10038 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
10040 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10042 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
10043 arg VARIES_P. Call it with extra arg.
10044 (true_dependence): Likewise.
10045 * rtl.h (rtx_addr_can_trap_p): Declare.
10046 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
10047 prototypes.
10048 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
10049 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
10050 pic offset table register if it's zero. All callers changed.
10051 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
10053 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10055 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
10056 STRING_POOL_ADDRESS_P.
10058 * config/sparc/sparc.c (input_operand): Properly test for short op.
10060 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
10061 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
10062 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
10063 * config/sparc/elf.h: No longer include sol2.h.
10064 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
10065 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
10067 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
10069 2001-01-01 Michael Hayes <mhayes@redhat.com>
10071 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
10072 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
10073 (record_initial): Likewise.
10074 * unroll.c (copy_loop_body, loop_iterations): Likewise.
10075 (remap_split_bivs): Likewise.
10077 2001-01-01 Michael Hayes <mhayes@redhat.com>
10079 * loop.c (loop_ivs_free): New function.
10080 (strength_reduce): Break out from...
10082 2001-01-01 Michael Hayes <mhayes@redhat.com>
10084 * loop.h (struct iv): New.
10085 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
10086 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
10087 'reg_biv_class' fields with 'regs' and 'n_regs'.
10088 (struct ivs): Rename 'loop_iv_list' field to 'list'.
10089 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
10090 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
10092 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
10094 * resource.c (mark_referenced_resources): Abort() before
10095 attempting to mark a pseudo register.
10096 (mark_set_resources): Likewise.
10098 2001-01-01 Michael Hayes <mhayes@redhat.com>
10100 * loop.h (REG_IV_CLASS): New accessor macro.
10101 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
10102 * unroll.c (REG_IV_CLASS): Likewise.
10104 See ChangeLog.4 for earlier changes.