1 2005-12-02 Alan Modra <amodra@bigpond.net.au>
4 * combine.c (simplify_logical <IOR>): Simplify more patterns to
7 2005-12-02 Alan Modra <amodra@bigpond.net.au>
10 * function.c (expand_function_end): Emit blockage for unwinder
13 2005-12-01 Roger Sayle <roger@eyesopen.com>
15 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
16 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
17 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
18 integer constant comparisons.
20 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
21 Janis Johnson <janis187@us.ibm.com>
22 David Edelsohn <dje@watson.ibm.com>
23 Ben Elliston <bje@au.ibm.com>
25 * dfp.h, dfp.c: New files.
26 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
28 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
29 (INCLUDES): Append $(DECNUMINC).
30 (OBJS-common): Add dfp.o.
32 * real.h (EXP_BITS): Pinch one bit to ..
33 (struct real_value): Add decimal field.
34 (real_format): Change table size, update documentation.
35 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
36 (real_from_string3): Declare.
37 (decimal_single_format): Declare.
38 (decimal_double_format): Declare.
39 (decimal_quad_format): Declare.
40 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
41 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
42 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
43 * real.c: Include dfp.h.
44 (normalize): Early return for decimal floats.
45 (do_add): Zero decimal field.
46 (do_compare): Call do_decimal_compare for decimal floats.
47 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
48 (real_arithmetic): Call decimal_real_arithmetic for decimal
49 floating point operands.
50 (real_identical): If a and b are of differing radix, return false.
51 (real_to_integer): Call decimal_real_to_integer if the value is a
53 (real_to_integer2): Likewise, call decimal_real_to_integer2.
54 (real_to_decimal): Likewise, call decimal_real_to_decimal.
55 (real_to_hexadecimal): Place "N/A" in the return string for
57 (real_from_string3): New variant, given a mode.
58 (real_maxval): Use decimal_real_maxval for decimal floats.
59 (round_for_format): Use decimal_round_for_format for decimals.
60 (real_convert): Use decimal_real_convert where appropriate.
61 (significand_size): Handle base 10.
62 (encode_decimal_single, decode_decimal_single,
63 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
64 decode_decimal_quad): New functions.
65 (decimal_single_format): New.
66 (decimal_double_format): New.
67 (decimal_quad_format): New.
68 * machmode.def: Add SD, DD and TD decimal floating point modes.
69 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
70 Include MODE_DECIMAL_FLOAT.
71 (DECIMAL_FLOAT_MODE_P): New.
72 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
73 * genmodes.c (struct mode_data): Add counter field.
74 (struct mode_data): Update comment for format.
75 (blank_mode): Initialise counter field.
76 (new_mode): Increment counter field for each mode defined.
77 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
79 (make_complex_modes): Handle modes containing `D'.
80 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
81 (make_decimal_float_mode): New.
82 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
83 (cmp_modes): Compare counter field if other characteristics
85 (emit_real_format_for_mode): Support formats for decimal floats.
86 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
87 Document MODE_DECIMAL_FLOAT.
89 2005-12-02 Alan Modra <amodra@bigpond.net.au>
91 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
94 2005-12-01 Richard Henderson <rth@redhat.com>
96 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
98 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
100 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
102 * config/pa/pa.c (pa_init_builtins): If we detect
103 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
106 2005-12-01 Richard Guenther <rguenther@suse.de>
108 * fold-const.c (fold_binary): Use fold_build2, not
111 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
113 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
115 * vec.h (VEC_block_remove): New.
117 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
120 * c-common.c (lvalue_error): Fix wording.
122 2005-12-01 Richard Guenther <rguenther@suse.de>
124 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
125 thinko in last patch.
127 2005-12-01 Geoffrey Keating <geoffk@apple.com>
129 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
130 than -flat_namespace.
132 2005-12-01 Ben Elliston <bje@au.ibm.com>
134 * mklibgcc.in: Parameterise the script to build soft float
135 functions by iterating over each type, rather than cloning the
138 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
141 * builtins.c (fold_builtin_fputs): Defer check for missing
142 replacement functions.
144 2005-11-30 Kean Johnston <jkj@sco.com>
146 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
147 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
149 2005-11-30 Richard Guenther <rguenther@suse.de>
151 PR tree-optimization/22501
152 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
153 function split out from ...
154 (forward_propagate_addr_expr): ... here. Use it to propagate
155 ADDR_EXPRs to all uses.
157 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
159 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
160 * builtins.c (expand_builtin_mathfn): Use them.
161 (expand_builtin_mathfn_2): Likewise.
162 (expand_builtin_mathfn_3): Likewise.
163 (expand_builtin_int_roundingfn): Likewise.
164 (expand_builtin): Likewise.
165 (integer_valued_real_p): Likewise.
166 (fold_builtin_int_roundingfn): Likewise.
167 (fold_builtin_bitop): Likewise.
168 (fold_builtin_logarithm): Likewise.
169 (fold_builtin_1): Likewise.
170 * convert.c (convert_to_integer): Likewise.
171 * fold-const.c (negate_mathfn_p): Likewise.
172 (tree_expr_nonnegative_p): Likewise.
174 2005-11-30 Dale Johannesen <dalej@apple.com>
175 Andrew Pinski <pinskia@physics.uc.edu>
177 * combine.c (find_split_point): Sign extend bitmask
178 when changing bitfield assignment to IOR of AND.
180 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
182 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
183 clobber to scratch reg.
184 (*decrement_and_branch_until_zero_no_clobber): Remove.
185 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
186 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
187 * config/ms1/ms1.opt (mmul): Remove.
188 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
189 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
191 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
192 Bernd Schmidt <bernd.schmidt@analog.com>
194 * pa/predicates.md (symbolic_operand): Add comment.
195 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
196 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
197 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
198 (pa_secondary_reload_class): Delete.
199 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
200 and pa_secondary_reload_class. Reorder some checks. Update inline
201 copy of symbolic operand.
202 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
204 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
206 * loop-doloop.c (add_test): Only add jump notes if we did emit a
209 2005-11-30 Jeff Law <law@redhat.com>
211 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
212 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
214 2005-11-30 Jakub Jelinek <jakub@redhat.com>
216 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
217 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
218 (ia64_expand_move): Adjust caller.
220 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
221 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
224 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
226 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
227 Always produce an output if we can remove NEGs or canonicalize
228 (minus (minus ...)) expressions. Provide a fast path for the
230 (simplify_gen_binary): Do not call simplify_plus_minus.
231 (simplify_binary_operation_1): Reassociate at the end of the
234 2005-11-29 Evan Cheng <evan.cheng@apple.com>
236 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
237 moves and unpack to speed up.
239 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
241 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
242 argument, they are always sparc_compare_op0 and sparc_compare_op1.
243 (gen_v9_scc): Update callers.
244 * config/sparc/sparc.md: Likewise.
245 * config/sparc/sparc-protos.h: Update extern declaration.
247 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
249 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
251 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
254 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
256 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
257 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
260 2005-11-29 Ben Elliston <bje@au.ibm.com>
262 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
265 2005-11-29 Ben Elliston <bje@au.ibm.com>
267 * Makefile.in (clean-target): Depend on clean-target-libgcc.
268 (clean-target-libgcc): Import rule from the top-level Makefile.in.
270 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
274 * builtins.c (init_target_chars): New.
275 (expand_builtin_printf, expand_builtin_fprintf,
276 expand_builtin_sprintf, fold_builtin_sprintf,
277 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
278 fold_builtin_snprintf_chk, fold_builtin_printf,
279 fold_builtin_fprintf): Check for matching format strings using
282 2005-11-29 Paul Brook <paul@codesourcery.com>
284 * config.gcc: Do not use fixproto on m68k-elf.
286 2005-11-28 Roger Sayle <roger@eyesopen.com>
288 * expmed.c (div_cost): Replace with...
289 (sdiv_cost, udiv_cost): New.
290 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
291 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
292 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
293 (expand_divmod): Replace use of div_cost with either sdiv_cost
294 or udiv_cost depending upon the signedness of the operation.
296 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
299 * config/darwin.c (machopic_indirection_name,
300 machopic_output_indirection): Follow transparent alias chain.
302 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
304 * varasm.c (ultimate_transparent_alias_target): Add comment.
306 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
308 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
309 SET_SRC instead of XEXP where appropriate.
311 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
313 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
316 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
318 * config/fp-bit.h (LSHIFT): Take shift count parameter.
319 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
322 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
324 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
325 secondary_input_reload_class, made static. Adapt to new
327 (secondary_output_reload_class): Delete.
328 (TARGET_SECONDARY_RELOAD): New macro.
329 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
330 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
332 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
335 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
336 when its natural alignment is > BITS_PER_UNIT.
337 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
338 * c-common.c (handle_packed_attribute): Ignore packing on a field
339 whose type is naturally char aligned.
341 2005-11-28 Richard Guenther <rguenther@suse.de>
343 * c-common.c (strict_aliasing_warning): Handle all
344 component-ref like accesses.
346 2005-11-28 Roger Sayle <roger@eyesopen.com>
347 Uros Bizjak <uros@kss-loka.si>
350 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
351 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
352 when flag_unsafe_math_optimizations is set and
353 we don't care about NaNs or Infinities.
355 Move x/expN(y) and x/pow(y,z) transformation into common
356 flag_unsafe_math_optimizations section.
358 2005-11-27 Mark Mitchell <mark@codesourcery.com>
360 * gcc.c (main): Change type of argv to "char **".
362 2005-11-28 Alan Modra <amodra@bigpond.net.au>
364 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
366 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
367 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
368 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
369 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
370 output locals to sbss if !rs6000_elf_in_small_data_p.
371 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
373 2005-11-28 Alan Modra <amodra@bigpond.net.au>
376 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
378 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
379 indexed_or_indirect_address.
380 (indexed_or_indirect_address): Don't test for base reg. Call
381 address_operand last. Make it a special predicate.
383 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
385 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
387 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
390 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
392 (negate_expr): Likewise.
394 2005-11-27 Andreas Schwab <schwab@suse.de>
396 * config/m68k/m68k.c: Reindent and fix whitespace, remove
399 2005-11-27 Steven Bosscher <stevenb@suse.de>
401 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
402 has EH predecessor edges.
404 2005-11-26 Eric Christopher <echristo@apple.com>
406 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
407 register stalls by zero extending to the full register.
409 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
411 * config/floatunsisf.c, config/floatunsidf.c,
412 config/floatunsixf.c, config/floatunsitf.c: New files.
413 * config/ia64/t-hpux: Add floatunsitf.c.
414 * config/ia64/ia64.c (ia64_init_libfuncs): Use
415 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
417 2005-11-26 Richard Henderson <rth@redhat.com>
419 * c-lex.c (pragma_lex): Rename from c_lex.
420 * c-pch.c: Update for pragma_lex rename.
421 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
422 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
423 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
424 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
425 * doc/tm.texi: Likewise.
427 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
430 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
431 when overflow is undefined.
433 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
435 * doc/md.texi (Insn Canonicalizations): Refer to the
436 function commutative_operand_precedence for further rules.
438 2005-11-25 Roger Sayle <roger@eyesopen.com>
441 * expmed.c (choose_mult_variant): Return immediately when mult_cost
442 is less than zero. Limit mult_cost to a reasonable upper bound for
443 the synthetic multiplication sequence.
445 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
448 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
449 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
450 Lookup the explicit replacement functions for any unlocked
451 stdio builtin transformations.
453 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
455 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
457 * targhooks.c (default_secondary_reload): Don't require operand 2
458 for an input reload to be earlyclobber.
460 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
462 * fold-const.c (negate_mathfn_p): Fix comment and add support
463 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
466 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
469 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
470 _Q_ulltoq for unsigned conversions from SImode and DImode to
473 2005-11-25 Alan Modra <amodra@bigpond.net.au>
475 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
476 (__floatundidf, __floatundisf): Likewise.
478 2005-11-25 David Edelsohn <edelsohn@gnu.org>
480 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
481 (rs6000_override_options): Remove initialization of
483 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
484 (rs6000_emit_stack_tie): Same.
485 (emit_frame_save): Same.
486 (gen_frame_mem_offset): Same.
487 (rs6000_emit_prologue): Same.
488 (rs6000_emit_epilogue): Same.
490 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
493 * fold-const.c (fold_build): Convert bool_var != 1 and
494 bool_var == 0 to !bool_var.
496 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
499 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
500 for C being INTEGER_CST. Likewise for !=.
502 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
505 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
506 unsigned conversions from SImode to TFmode.
508 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
510 * expr.c (expand_expr_real_1): Fix error in last change.
512 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
514 * caller-save.c: (this_insn_sets): Move into:
515 (save_call_clobbered_regs).
516 (mark_set_regs): Get this_insn_sets from data.
518 (save_call_clobbered_regs): Take sets of the return value by
519 sibcalls into account.
521 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
524 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
525 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
526 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
527 (memory_move_secondary_cost, init_reg_autoinc): Remove
528 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
529 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
530 secondary_reload_class call.
531 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
533 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
534 (push_secondary_reload): Use secondary_reload target hook.
535 (secondary_reload_class, scratch_reload_class): New functions.
536 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
537 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
538 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
539 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
540 (secondary_reload_class, scratch_reload_class): Declare.
541 * reload1.c: Include target.h.
542 (reload_adjust_reg_for_temp): New function.
543 (reload_adjust_reg_for_icode): Likewise.
544 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
545 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
547 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
548 for inheritance. Support case when both secondary & tertiary reloads
549 are for intermediate registers.
550 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
551 with secondary_reload_class call. Support case when both secondary
552 & tertiary reloads are for intermediate registers.
553 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
554 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
555 * target.h (secondary_reload_info): New struct / typedef.
556 (struct gcc_target): New member secondary_reload.
557 * targhooks.c Include reload.h, optabs.h and recog.h.
558 (default_secondary_reload): New function.
559 * targhooks.h (default_secondary_reload): Declare.
560 * doc/tm.texi: Document secondary_reload target hook. Update
561 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
562 * doc/md.texi: Likewise.
564 * sh-protos.h (sh_secondary_reload): Declare.
565 * sh.c (TARGET_SECONDARY_RELOAD): Override.
566 (sh_secondary_reload): New function.
567 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
568 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
569 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
570 (HAVE_SECONDARY_RELOADS): Define.
571 * sh.md (reload_indf): Rename to:
573 (reload_outdf): Rename to:
574 (reload_outdf__RnFRm).
575 (reload_insf): Rename to:
577 (reload_insi): Rename to:
578 (reload_insi__i_fpul).
580 2005-11-24 Uros Bizjak <uros@kss-loka.si>
582 * configure.ac: Require at least texinfo 4.4.
583 * configure: Regenerate.
585 * doc/install.texi (Tools/packages necessary for building GCC):
586 Update required version of texinfo to at least 4.4.
587 (Installing GCC: Building): Update required version of texinfo
589 (Installing GCC: Final installation): Update required version
590 of texi2dvi to at least 4.4.
591 (Host/target specific installation notes for GCC): Update required
592 version of texinfo to at least 4.4.
594 2005-11-24 Richard Guenther <rguenther@suse.de>
595 Dirk Mueller <dmueller@suse.de>
598 * c-common.h (strict_aliasing_warning): Declare.
599 * c-common.c (strict_aliasing_warning): New function,
601 * c-typeck.c (build_c_cast): ... here.
603 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
605 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
607 (swap_commutative_operands_with_target): New.
609 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
611 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
612 also when doing PRE, rather than only for global CPROP.
614 2005-11-24 Ben Elliston <bje@au.ibm.com>
616 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
617 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
619 (expand_twoval_unop): Likewise.
620 (widen_clz): Likewise.
621 (expand_parity): Likewise.
622 (expand_unop): Likewise.
623 (emit_cmp_and_jmp_insn_1): Likewise.
624 (prepare_float_lib_cmp): Likewise.
626 2005-11-24 Ben Elliston <bje@au.ibm.com>
628 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
629 Remove unused `class' variable.
631 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
634 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
635 C/C++ diagnostic function warn_array_subscript_with_type_char.
636 * c-common.h (warn_array_subscript_with_type_char): Declare.
637 * c-common.c (warn_array_subscript_with_type_char): Define.
639 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
642 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
643 compiling at the intersection of C and C++.
645 2005-11-23 Mark Mitchell <mark@codesourcery.com>
647 * doc/invoke.texi: For man pages, include gcc-vers.texi.
648 List @file in the option summary. Include the libiberty
649 documentation for @file.
650 * gcc.c (main): Call expandargv.
651 * Makefile.in (gcc-vers.texi): Define srcdir.
653 2005-11-23 Diego Novillo <dnovillo@redhat.com>
655 * passes.c (init_optimization_passes): Document
656 sequencing of passes.
658 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
660 * config/m68k/predicates.md (pcrel_address, extend_operator,
661 post_inc_operand, pre_dec_operand): Remove redundant
663 (const_uint32_operand, const_sint32_operand): Use gcc_assert
665 (valid_dbcc_comparison_p): Rewrite in the lisp style.
667 2005-11-23 Ben Elliston <bje@au.ibm.com>
669 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
671 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
673 Preparatory work for PR target/21623:
674 * alpha.c (secondary_reload_class): Rename to:
675 (alpha_secondary_reload_class).
676 * alpha.h, alpha-protos.h: Likewise.
677 * mn10300.c (secondary_reload_class): Rename to:
678 (mn10300_secondary_reload_class).
679 * mn10300.h, mn10300-protos.h: Likewise.
680 * pa.c (secondary_reload_class): Rename to:
681 (pa_secondary_reload_class).
682 * pa.h, pa-protos.h: Likewise.
683 * rs6000.c (secondary_reload_class): Rename to:
684 rs6000_secondary_reload_class.
685 * rs6000.h, rs6000-protos.h: Likewise.
687 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
690 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
692 2005-11-22 Ian Lance Taylor <ian@airs.com>
694 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
696 (prepare_cmp_insn): Likewise.
698 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
701 * m68k.md (zero_extendsidi2): Force operands[1] to a register
702 if both operands[0] and operands[1] are memory.
704 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
707 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
708 COMPARISON_CLASS_P and an integral types create create a new
709 expression with the new type and fold that.
711 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
714 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
715 to SUBTARGET_OS_CPP_BUILTINS.
717 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
719 * arm.c (emit_set_insn): New function.
720 (arm_split_constant): Call it.
721 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
722 (arm_legitimize_address): Likewise. Use plus_constant.
723 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
724 (thumb_expand_prologue): Likewise.
725 (arm_gen_load_multiple): Use VOIDmode in SET.
726 (arm_gen_store_multiple): Likewise.
727 (vfp_emit_fstmx): Likewise. Use plus_constant.
728 (emit_multi_reg_push): Likewise.
729 (emit_sfm): Use plus_constant.
731 2005-11-23 Alan Modra <amodra@bigpond.net.au>
734 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
737 2005-11-22 Alan Modra <amodra@bigpond.net.au>
740 * expmed.c (store_bit_field): Don't attempt to insv a field
743 2005-11-22 Alan Modra <amodra@bigpond.net.au>
746 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
747 explicit sign extension, not a (char) cast.
749 2005-11-22 Ben Elliston <bje@au.ibm.com>
751 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
752 GET_MODE_CLASS (x) == MODE_FLOAT.
753 * config/i386/i386.c: Likewise.
754 * config/rs6000/xcoff.h: Likewise.
755 * config/rs6000/linux64.h: Likewise.
756 * config/rs6000/rs6000.c: Likewise.
757 * config/rs6000/rs6000.h: Likewise.
758 * config/rs6000/predicates.md: Likewise.
759 * config/rs6000/sysv4.h: Likewise.
761 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
763 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
766 * config/alpha/freebsd.h, config/alpha/linux.h,
767 config/arm/linux-elf.h, config/bfin/bfin.h,
768 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
769 config/i386/beos-elf.h, config/i386/gnu.h,
770 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
771 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
772 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
773 config/rs6000/linux64.h, config/rs6000/sysv4.h,
774 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
775 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
776 config/sparc/linux.h, config/sparc/linux64.h,
777 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
779 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
780 are both defined when either flag -fpic or -fPIC are used.
782 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
784 * config/fp-bit.c (clzusi): New function.
785 (si_to_float, usi_to_float): Use it to compute proper shift.
786 (usi_to_float): Preserve guard bits when shifting right.
787 * libgcc-std.ver (GCC_4.2.0): New version.
788 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
789 __floatundisf): New functions.
790 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
791 __floatundisf): Declare.
792 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
793 _floatundixf, and _floatunditf.
794 * optabs.c (expand_float): If target does not define a pattern for
795 signed or unsigned conversion, use an unsigned libcall instead of
797 (init_optabs): Initialize ufloat_optab.
799 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
801 * config/rs6000/rs6000.opt (mmulhw): New option.
802 * doc/invoke.texi (-mmulhw): Document.
803 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
805 * config/rs6000/rs6000.md: Add half-word multiply and
806 multiply-accumulate instructions for 405 and 440.
808 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
810 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
811 which matches behavior of gcc 4.0 and older for RTEMS targets. The
812 default now includes a linker group which makes the RTEMS one nest.
814 2005-11-22 Ben Elliston <bje@au.ibm.com>
816 * cse.c (fold_rtx): Typo fix.
817 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
819 2005-11-21 Richard Henderson <rth@redhat.com>
821 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
822 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
824 * c-tree.h (lookup_name): Move declaration ...
825 * c-common.h (lookup_name): ... here.
826 * config/darwin-c.c: Include c-common.h.
827 * config/t-darwin: Update dependencies.
829 2005-11-22 Ben Elliston <bje@au.ibm.com>
831 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
832 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
833 * genopinit.c (gen_insn): Likewise.
834 * reload.c (find_equiv_reg): Likewise.
835 * loop.c (load_mems): Likewise.
836 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
837 * cse.c (find_comparison_args, fold_rtx): Likewise.
838 * dwarf2out.c (add_const_value_attribute): Likewise.
839 * expr.c (convert_move): Likewise.
840 * recog.c (general_operand, register_operand): Likewise.
841 * reg-stack.c (replace_reg): Likewise.
842 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
843 * c-common.c (handle_vector_size_attribute): Likewise.
844 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
845 (simplify_binary_operation_1): Likewise.
846 (simplify_const_binary_operation): Likewise.
847 (simplify_relational_operation): Likewise.
848 (simplify_const_relational_operation): Likewise.
849 (simplify_immed_subreg): Likewise.
850 * emit-rtl.c (gen_lowpart_common): Likewise.
851 * expmed.c (expand_mult): Likewise.
852 * stor-layout.c (layout_type): Likewise.
854 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
857 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
858 cst2 only for SPE vectors.
860 2005-11-21 David Edelsohn <edelsohn@gnu.org>
863 * config/rs6000/predicates.md (vrsave_operation): Check
864 UNSPEC_VOLATILE value.
866 2005-11-21 Jan Hubicka <jh@suse.cz>
868 PR tree-optimization/24653
869 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
871 2005-11-21 Uros Bizjak <uros@kss-loka.si>
873 * config/i386/predicates.md (ax_reg_operand): New predicate.
874 (memory_displacement_only_operand): New predicate.
875 * config/i386/i386.md ("modrm" attribute): Return 0 if one
876 operand is AX register and the other operand is memory operand
877 with displacement only.
879 2005-11-21 Uros Bizjak <uros@kss-loka.si>
881 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
882 if we don't care about NaNs or Infinities.
884 2005-11-20 Ian Lance Taylor <ian@airs.com>
886 PR rtl-optimization/24883
887 * combine.c (combinable_i3pat): When checking whether the
888 destination of i3 is used in i3, consider paradoxical subregs.
890 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
893 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
895 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
897 * combine.c (try_combine): Do not run subst on i1src and i2src in
898 the case of generating a PARALLEL for a comparison.
900 2005-11-20 Richard Henderson <rth@redhat.com>
903 * tree-sra.c (struct sra_elt): Add all_no_warning.
904 (struct sra_walk_fns) <use>: Add use_all argument.
905 (sra_walk_expr): Pass it.
906 (sra_walk_modify_expr): Likewise.
907 (scalarize_ldst): Likewise.
908 (scan_use): Update for new argument.
909 (mark_no_warning): New.
910 (scalarize_use): Use it.
912 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
914 * expr.c (expand_expr_real): Use usmul_optab for widening
915 signed * unsigned multiplies.
916 * genopinit.c (optabs): Add usmul_widen_optab.
917 * optabs.c (init_optabs): Likewise.
918 * optabs.h (enum optab_index): Add OTI_usmul_widen.
919 (usmul_widen_optab): Define.
920 * config/bfin/bfin.md (usmulhisi3): New pattern.
922 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
924 2005-11-20 Graham Stott <btinternet.com>
926 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
928 2005-11-20 Andreas Schwab <schwab@suse.de>
931 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
934 2005-11-19 Richard Henderson <rth@redhat.com>
937 * tree-gimple.c (is_gimple_id): Export.
938 * tree-gimple.h (is_gimple_id): Declare.
939 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
940 (get_default_value): Use it.
941 (maybe_fold_stmt_indirect): Likewise.
943 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
945 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
946 than VR1 or vice-versa.
948 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
952 * reload.c (find_reloads_address_1): Mention dependency on
954 * reload1.c (gen_reload): For IN with an unary operation, try
955 moving inner expression to OUT if trivial SET is not valid.
956 Confirm that the result is valid. Move common code block into...
957 (emit_insn_if_valid_for_reload): New function.
959 2005-11-19 Richard Guenther <rguenther@suse.de>
961 * fold-const.c (fold_indirect_ref_1): Make sure we fold
962 ARRAY_REFs of constant strings.
964 2005-11-19 Jakub Jelinek <jakub@redhat.com>
966 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
969 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
971 * combine.c (make_compound_operation): Swap operands of
972 commutative operation if necessary before returning.
974 2005-11-19 Richard Guenther <rguenther@suse.de>
977 * fold-const.c (fold_plusminus_mult_expr): New function.
978 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
979 cases, remove now unnecessary code.
981 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
983 * gensupport.c (old_preds): Rename to std_preds, add special field.
984 (struct old_pred_table): Rename to struct std_pred_table, add special
986 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
987 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
988 (init_predicate_table): Adjust, and set along the way whether a
989 predicate is special.
991 2005-11-18 Mark Mitchell <mark@codesourcery.com>
993 * BASE-VER: Change to 4.2.0.
995 2005-11-18 James E Wilson <wilson@specifix.com>
997 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
1000 2005-11-18 Mike Stump <mrs@apple.com>
1002 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
1003 * config/darwin-c.c (darwin_pragma_unused): Likewise.
1004 * c-decl.c (lookup_name_two) Remove.
1005 * c-tree.h (lookup_name_two): Remove.
1006 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
1007 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
1008 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
1009 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
1011 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
1014 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
1015 when not generating code to use that co-processor.
1017 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
1019 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
1020 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
1021 these functions are now in tree-phinodes.c.
1023 2005-11-18 Jie Zhang <jie.zhang@analog.com>
1025 * config/bfin/bfin.md (trap): New pattern.
1027 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1029 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
1032 * expr.c (expand_expr_real): Don't call record_block_change unless
1033 ib_boundaries_block is non-null
1035 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
1037 * fold-const.c (build_range_check): Use proper type for subtraction
1038 when merging lower bound.
1040 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
1042 PR rtl-optimization/24497
1043 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
1046 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
1048 * tree-scalar-evolution.c (expression_expensive_p): New function.
1049 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
1051 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
1053 * config/bfin/crtlibid.s: New file.
1055 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1058 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
1059 when not using sjlj exceptions.
1060 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
1061 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1062 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
1063 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
1064 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
1065 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
1066 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
1067 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
1068 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
1069 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
1070 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
1071 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
1072 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
1074 * config/pa/hpux-unwind.h: New file.
1076 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
1078 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
1079 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
1080 * varasm.c (do_assemble_alias): Adjust call.
1081 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
1083 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
1085 2005-11-17 James E Wilson <wilson@specifix.com>
1087 * tree.def (FUNCTION_DECL): Correct typo in comment.
1089 2005-11-17 Richard Henderson <rth@redhat.com>
1091 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
1092 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
1093 and DW_CFA_def_cfa_sf.
1094 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
1095 (dbx_reg_number): Don't assert particular registers here.
1096 (based_loc_descr): ... do it here instead. Fold in ...
1097 (eliminate_reg_to_offset): ... this function.
1098 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
1099 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
1100 * unwind-dw2.c (execute_cfa_program): Apply data align factor
1101 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
1102 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
1103 (instantiate_virtual_regs): Likewise.
1104 * var-tracking.c (adjust_stack_reference): Likewise.
1105 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
1107 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
1109 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
1110 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
1111 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
1113 ($(T)crtlibid.o): New rule.
1115 2005-11-16 Richard Guenther <rguenther@suse.de>
1118 * fold-const.c (extract_array_ref): Return byte offset
1120 (fold_binary): Fold &x[a] CMP &x[b] to
1121 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
1124 2005-11-16 Richard Henderson <rth@redhat.com>
1127 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
1128 parts of an SSA_NAME.
1130 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
1133 * arm.md (split for movsf with immediate): Restrict split to insns
1134 that set a general register.
1136 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1138 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
1140 * unwind-dw2.c (uw_advance_context): Likewise.
1141 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
1142 _Unwind_SjLj_Unregister.
1143 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
1145 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1147 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
1149 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1151 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
1152 langhook to get a DImode integer type.
1154 2005-11-16 Richard Henderson <rth@redhat.com>
1155 J"orn Rennecke <joern.rennecke@st.com>
1156 Ulrich Weigand <uweigand@de.ibm.com>
1160 * reload1.c (reg_equiv_invariant): New.
1161 (reload): Allocate, initialize, and free it.
1162 (calculate_needs_all_insns): Check it when skipping equivalence
1164 (alter_reg): Likewise.
1165 (eliminate_regs_1): Rename from eliminate_regs. Add new
1166 may_use_invariant argument; only use reg_equiv_invariant when true.
1167 (eliminate_regs): New.
1168 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
1169 a context for which may_use_invariant may be true.
1171 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1173 * fold-const.c (const_binop): Don't constant fold the operation
1174 if the result has overflowed and flag_trapping_math.
1175 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
1177 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1179 * config/arm/unwind-arm.c (abort): Add prototype here.
1180 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
1181 (struct phase1_vrs): Add prev_sp.
1182 (unwind_phase2_forced): Save the original core registers instead of
1183 modifying entry_vrs. Take a new flag argument for resuming unwinding
1184 and set action flags accordingly. Always set _US_END_OF_STACK when
1185 get_eit_entry fails. Unwind before calling the stop function.
1186 (_Unwind_GetCFA): New function.
1187 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
1188 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
1189 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
1190 just call unwind_phase2_forced.
1191 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
1192 * config/arm/unwind-arm.h (abort): Remove prototype.
1193 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
1195 (_Unwind_GetCFA): New prototype.
1196 * config/arm/pr-support.c (abort): Add prototype here.
1197 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
1199 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
1200 not schedule the prologue with non-call exceptions and EABI.
1202 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
1204 * config/arm/unwind-arm.h: Reorder interface function declarations.
1205 (_URC_END_OF_STACK): New enumeration value.
1206 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
1207 (struct _Unwind_Control_Block): Document reserved field use.
1208 (_Unwind_Stop_Fn): New typedef.
1209 (_Unwind_ForcedUnwind): Declare.
1210 (_Unwind_Resume_or_Rethrow): Declare.
1211 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
1213 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
1214 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
1215 (UCB_FORCED_STOP_ARG): New.
1216 (search_EIT_table): Update boundary condition checks.
1217 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
1218 (unwind_phase2): Replace for with do..while.
1219 (unwind_phase2_forced): New.
1220 (__gnu_Unwind_RaiseException): Replace for with do..while.
1221 (__gnu_Unwind_ForcedUnwind): New.
1222 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
1223 Use appropriate phase2 unwinder.
1224 (__gnu_Unwind_Resume_or_Rethrow): New.
1225 (__gnu_unwind_pr_common): Cope with forced unwinding.
1227 2005-11-16 David Edelsohn <edelsohn@gnu.org>
1230 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
1232 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
1233 roundsf2): Remove "s" from mnemonic.
1235 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
1237 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
1239 * config/bfin/crtn.s: Change epilogues to match.
1240 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
1241 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
1242 __PIC__ and __pic__.
1244 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
1247 * doc/invoke.texi: Distinguish between free and fixed form instead of
1248 Fortran and Fortran 90/95. Remove ratfor from the list of supported
1250 * gcc.c (default_compilers): Remove double entries, add entries for
1251 suffixes '.F90' and '.F95'.
1253 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1255 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
1256 in the stack probing loop.
1258 2005-11-15 David Edelsohn <edelsohn@gnu.org>
1260 * configure.ac: Use .machine power5 not power5x.
1261 * configure: Regenerate.
1263 2005-11-15 Mike Stump <mrs@apple.com>
1265 * c-decl.c (lookup_name_two): Add.
1266 * c-tree.h (lookup_name_two): Likewise.
1267 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
1268 * config/darwin-c.c (darwin_pragma_unused): Likewise.
1270 2005-11-16 Alan Modra <amodra@bigpond.net.au>
1272 PR rtl-optimization/23392
1273 * regrename.c (enum scan_actions) Add mark_access.
1274 (scan_actions_name): Ditto.
1275 (scan_rtx_reg): Handle mark_access.
1276 (scan_rtx_address): Do nothing for mark_access.
1277 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
1278 and regs in REG_INC notes before closing chains for dead regs.
1279 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
1280 opening chains for new writes.
1282 2005-11-15 David Edelsohn <edelsohn@gnu.org>
1284 * c.opt (ffixed-line-length-none): New.
1286 2005-11-15 Steve Ellcey <sje@cup.hp.com>
1288 * mklibgcc.in: Change contents of eh_dummy.c.
1290 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
1292 * loop.c (scan_loop): Do not insert temporaries for hard registers.
1294 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
1296 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
1298 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
1300 2005-11-15 Jan Hubicka <jh@suse.cz>
1302 * invoke.texi (large-unit-insns): Document.
1303 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
1304 * params.def (large-unit-insns): New param.
1306 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
1309 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
1310 special register for operand 3. Reindent constraints to align
1313 2005-11-14 David Edelsohn <edelsohn@gnu.org>
1315 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
1316 -mpopcntb, -mfprnd. Add -mcpu=power5+.
1317 * configure.ac: Add test for FP rounding instructions.
1318 * configure: Regenerate.
1319 * config.in: Regenerate.
1320 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1321 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
1323 * config/rs6000/rs6000.opt (mfprnd): New.
1324 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
1325 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
1326 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
1327 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
1328 (TARGET_FPRND): New.
1329 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
1331 (btrunc<mode>2): New.
1333 (floor<mode>2): New.
1334 (round<mode>2): New.
1336 2005-11-14 Geoffrey Keating <geoffk@apple.com>
1338 * gcc.c (version_compare_spec_function): Use fatal() rather than
1341 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
1342 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
1343 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
1345 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
1348 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
1349 on -mmacosx-version-min setting.
1351 2005-11-14 Diego Novillo <dnovillo@redhat.com>
1354 * tree-vrp.c (infer_value_range): Return false if STMT is a
1355 block terminator and its basic block has no successors.
1357 2005-11-14 Mike Stump <mrs@apple.com>
1359 * config/i386/i386.c (override_options): -masm=intel isn't
1360 supported on darwin.
1361 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1363 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
1365 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
1366 vfork after including auto-host.h.
1368 2005-11-15 Alan Modra <amodra@bigpond.net.au>
1370 PR rtl-optimization/22002
1371 * combine.c (distribute_notes): Detect cases where a reg dies
1372 two or more times in a bb, including on the insn we are combining,
1373 and place the death note on the correct range.
1375 2005-11-14 Dale Johannesen <dalej@apple.com>
1377 * expmed.c (store_bit_field): Add offset unconditionally for
1379 (extract_bit_field): Don't force extzv or extv operand into
1380 a register if field is too big.
1382 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1384 * config/arm/arm.c (pic_labelno): New.
1385 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
1386 LABEL_REF. Pass only the labelno to PIC insns.
1387 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1388 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
1389 * arm.md (UNSPEC_PIC_LABEL): New constant.
1390 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
1391 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
1392 Use the correct label prefix.
1394 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1396 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
1399 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
1401 * loop-invariant.c: Include tm_p.h.
1402 * Makefile.in: Updated.
1404 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1406 * pa.c (store_reg): Revise generation of frame notes in large frames.
1407 (set_reg_plus_d): Likewise.
1409 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
1411 PR tree-optimization/24709
1412 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
1415 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
1417 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
1418 and duplicate declaration of pthread_self.
1420 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
1421 Ian Lance Taylor <ian@airs.com>
1424 * calls.c (expand_call): If TARGET is a MEM and some part of the
1425 argument area has been saved, force TARGET to a register.
1427 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
1429 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
1432 2005-11-13 Jason Merrill <jason@redhat.com>
1435 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
1436 lazily declared methods.
1437 (force_decl_die): Stop if forcing out the context already make a
1439 (force_type_die): Likewise.
1441 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
1444 * builtins.c (integer_valued_real_p): Add break in
1445 REAL_CST having TREE_OVERFLOW set.
1447 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
1449 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
1450 addressing modes during calculation of costs.
1452 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
1454 * function.c (assign_stack_local_1): Restrict sanity check
1455 on frame size overflow to 32-bit and above platforms.
1457 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1459 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1460 * config/cris/cris.c: Include reload.h.
1461 (cris_initial_elimination_offset): New function.
1462 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
1465 2005-11-12 Richard Guenther <rguenther@suse.de>
1467 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
1469 2005-11-12 Jan Hubicka <jh@suse.cz>
1471 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
1472 to compare against 0 when possible.
1474 2005-11-12 Jie Zhang <jie.zhang@analog.com>
1476 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
1477 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1478 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
1479 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
1482 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1484 * recog.c (constrain_operands) <case 'g'>: For a match, require
1485 that a non-register matches general_operand when strict >= 0.
1487 2005-11-11 Steven Bosscher <stevenb@suse.de>
1489 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
1492 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1494 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
1495 (memory_address_same): New.
1496 (dse_optimize_stmt): Call memory_address_same.
1498 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1501 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
1502 ZERO_EXTEND>: New cases.
1504 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1506 * longlong.h (__clz_tab): Always provide.
1508 2005-11-11 Steven Bosscher <stevenb@suse.de>
1511 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
1513 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
1514 before check_maybe_invariant.
1515 (move_invariant_reg): Use gen_move_insn instead of replacing
1516 SET_DEST with the temporary for the invariant.
1517 (move_loop_invariants): If checking is enabled, do internal
1518 consistency checks after completing the pass.
1520 2005-11-11 David Edelsohn <edelsohn@gnu.org>
1523 * common.opt (Wvolatile-register-var): New.
1524 * varasm.c (make_decl_rtl): Only emit warning when option
1525 specified. Clarify warning message.
1526 * doc/invoke.texi (Wvolatile-register-var): Document new option.
1528 * doc/md.texi (copysign): Document standard named pattern.
1530 2005-11-11 Jie Zhang <jie.zhang@analog.com>
1532 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
1533 bytes when align is 2.
1534 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
1535 by the first instruction of the loop.
1537 2005-11-11 Jason Merrill <jason@redhat.com>
1540 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
1543 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1545 PR rtl-optimization/22509
1546 * local-alloc.c (memref_used_between_p): Check whether a function call
1547 could not reference the memref.
1549 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
1551 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
1552 algorithm so as to choose the best, not the worst, alternative.
1553 Reset accumulated register class before processing next alternative.
1555 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
1558 * calls.c (expand_call): Copy a return value to a plain register
1561 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
1564 * varasm.c (assemble_name): Recompute name only for transparent
1567 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
1569 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
1571 2005-11-04 Jeff Law <law@redhat.com>
1574 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
1575 perform reassociation if the parent statement will not die as
1576 a result of the optimization.
1578 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
1580 * tree-ssa-alias.c (compute_may_aliases): Remove call to
1581 delete_old_heap_vars.
1582 * tree-dfa.c (referenced_var_remove): Remove function.
1583 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
1584 (delete_tree_ssa): Remove call to delete_old_heapvars.
1585 Add call to delete_alias_heapvars.
1586 * tree-flow.h (referenced_var_remove): Remove prototype
1587 (init_alias_heapvars): New prototype.
1588 (delete_alias_heapvars): Ditto.
1589 * Makefile.in (tree-ssa-structalias.o): Add
1590 gt-tree-ssa-structalias.o
1591 (GTFILES): Add tree-ssa-structalias.h and
1592 tree-ssa-structalias.c.
1593 (s-gtype): Add gt-tree-ssa-structalias.h.
1594 * tree-ssa-structalias.c (heapvars): Remove.
1595 (oldheapvars): Remove.
1596 (heapvar_for_stmt): New variable.
1597 (heapvar_lookup): New function.
1598 (heapvar_insert): Ditto.
1599 (get_constraint_for): See if we have an old heapvar
1601 (init_alias_heapvars): New function.
1602 (delete_alias_heapvars): Ditto.
1603 Add include of gt-tree-ssa-structalias.h.
1605 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1608 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
1610 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
1612 * tree.c (int_fits_type_p): Only look at the base type
1613 if it has the same precision as the original type.
1615 2005-11-10 Jakub Jelinek <jakub@redhat.com>
1618 * varasm.c (assemble_alias): Use %q+D in the error
1619 message instead of %J and %qD.
1621 2005-11-10 Richard Guenther <rguenther@suse.de>
1623 * gcse.c (free_ldst_entry): Only free hashtable if
1626 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1628 * function.c (assign_stack_local_1): Issue an error message if
1629 the frame size overflows in the signed target arithmetics.
1631 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1633 * tree.c (build_qualified_type): Chain the new type to the original
1634 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1635 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1636 (build_pointer_type_for_mode): Only return unqualified types.
1637 (build_reference_type_for_mode): Likewise.
1639 2005-11-09 Jakub Jelinek <jakub@redhat.com>
1641 * Makefile.in (gnucompare): Do comparison of all files using one of
1642 the chosen methods and only afterwards decide if just warning should
1643 be issued or comparison failure raised.
1645 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1647 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
1648 (noce_try_abs): Negate if the comparison is reversed.
1649 Look only one instruction backwards for a REG_EQUAL note.
1651 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1654 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
1655 gthr-tpf.h: Define __gthrw. For all identifiers that might
1656 be weak, introduce weakrefs or non-weak aliases with __gthrw,
1657 and prefix all uses with __ghtrw.
1659 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1662 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
1663 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
1664 * c-common.c (handle_weakref_attribute): New.
1665 (c_common_attribute_table): Add weakref.
1666 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
1668 * configure, config.in: Rebuilt.
1669 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
1670 * doc/extend.texi: Document weakref attribute.
1671 * varasm.c (ultimate_transparent_alias_target): New
1672 (assemble_name): Use it.
1673 (weak_finish_1): Split out of...
1674 (weak_finish): ... and deal with weakrefs in...
1675 (weakref_targets): ... new list.
1676 (globalize_decl): Clean up weakref_targets.
1677 (do_assemble_alias): Handle weakrefs.
1678 (finish_aliases_1): Do not reject weakrefs to external symbols.
1679 (assemble_alias): Handle weakrefs.
1681 2005-11-09 Richard Guenther <rguenther@suse.de>
1683 PR tree-optimization/24716
1684 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
1685 t_bool to track results from follow_ssa_edge.
1687 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1689 * final.c (force_source_line): New global variable.
1690 (final_scan_insn): Set it to true instead of clearing last_filename.
1691 (notice_source_line): Return true if force_source_line is true,
1692 unless source info is absent.
1694 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
1697 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
1698 a linkage name for a variable if it a register variable.
1699 * c-decl.c (grokdeclarator): Global register variables
1700 should be set as PUBLIC.
1702 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1705 * config/s390/s390.c (struct s390_frame_layout): New fields
1706 first_save_gpr_slot and last_save_gpr_slot.
1707 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
1708 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
1709 first_save_gpr and last_save_gpr with the _slot variants.
1710 (s390_register_info): Calculate first_save_gpr_slot and
1711 last_save_gpr_slot using regs_ever_live.
1713 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1716 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
1717 for a function containing a landing pad.
1719 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1722 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
1725 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
1727 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
1728 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
1730 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
1733 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
1735 (call,load,store): New insn types.
1736 (mem_access, branch_access): Adjust reservation conditions.
1737 (define_delay): Adjust condition.
1738 (decrement_and_branch_until_zero): Allow for ms2. Set branch
1740 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
1741 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
1743 (call_internal, call_value_internal, return_internal,
1744 return_interrupt_internal, eh_return_internal, indirect_jump,
1745 tablejump): Set call insn type.
1746 (blockage, ei, di): Use appropriate unspec const.
1747 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
1748 (ms1_get_attr_type): Adjust to give load & store types.
1749 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
1750 backwards past a barrier.
1751 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
1753 (struct branch_info, struct label_info): New.
1755 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
1756 (ms1_machine_reorg): New.
1757 (TARGET_MACHINE_DEPENDENT_REORG): Override.
1758 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
1759 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
1760 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
1763 2005-11-09 Per Bothner <per@bothner.com>
1764 Uros Bizjak <uros@kss-loka.si>
1767 * toplev.c (process_options): Initialize debug_hooks early
1768 in case lang_hooks.post_options ends up calling a debug_hook.
1770 2005-11-08 Jakub Jelinek <jakub@redhat.com>
1772 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
1773 DBX_REGISTER_NUMBER being contiguous.
1775 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
1776 Diego Novillo <dnovillo@redhat.com>
1779 * tree-vrp.c (register_edge_assert_for): Do not register
1780 always-false predicates.
1782 2005-11-08 Devang Patel <dpatel@apple.com>
1784 PR tree-optimization/23115
1785 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
1788 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
1790 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
1793 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
1795 Fix PR tree-optimization/23382
1797 * tree-ssa-alias.c (compute_may_aliases): Call
1798 delete_old_heap_vars.
1799 * tree-dfa.c (referenced_var_remove): New function.
1800 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
1801 * tree-flow.h (referenced_var_remove): Add prototype.
1802 (delete_old_heap_vars): Ditto.
1803 * tree-ssa-structalias.c (heapvars): New variable.
1804 (oldheapvars): Ditto.
1805 (get_constraint_for): Put heap vars on heapvars list.
1806 (delete_old_heap_vars): New function.
1808 2005-11-08 Jason Merrill <jason@redhat.com>
1810 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
1812 2005-11-08 Uros Bizjak <uros@kss-loka.si>
1815 * reg-stack.c (reg_to_stack): Update register liveness also
1816 for flag_sched2_use_traces.
1818 2005-11-08 Alan Modra <amodra@bigpond.net.au>
1821 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
1822 override prior explicit -mno-powerpc-gfxopt.
1824 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
1826 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
1827 if the bitsize is zero.
1828 * doc/md.texi (Standard Pattern Names): Document it.
1830 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
1831 (TARGET_PASS_BY_REFERENCE): Likewise.
1833 2005-11-07 Ian Lance Taylor <ian@airs.com>
1835 PR rtl-optimization/24683
1836 * config/i386/i386.c (legitimize_pic_address): If constant operand
1837 to PLUS is too large, put it in a register.
1839 2005-11-07 Jie Zhang <jie.zhang@analog.com>
1841 * configure.ac: Enable checking assembler dwarf2 support for bfin
1843 * configure: Regenerate.
1845 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1849 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
1850 gen_easy_vector_constant_add_self): Delete.
1851 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
1853 (output_vec_const_move): Use gen_easy_altivec_constant.
1854 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
1855 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
1856 (easy_vector_constant_add_self): Rewritten.
1857 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
1858 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
1859 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
1860 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
1861 Macroize and adjust for the other changes.
1863 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1867 * c-typeck.c (build_c_cast): Try using a shared constant, and see
1868 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
1870 2005-11-07 Jakub Jelinek <jakub@redhat.com>
1872 PR rtl-optimization/23567
1873 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
1874 (noce_process_if_block): Don't do any optimizations except
1875 if (cond) x = x; if !set_b and write into orig_x may trap
1876 or fault. Remove the MEM_READONLY_P check.
1878 2005-11-06 Diego Novillo <dnovillo@redhat.com>
1881 * tree-vrp.c (fix_equivalence_set): New.
1882 (extract_range_from_assert): Call it.
1884 2005-11-05 Ian Lance Taylor <ian@airs.com>
1887 * combine.c (apply_distributive_law): Don't distribute across a
1890 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
1892 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
1893 config/ms1/ms1.h, config/rs6000/predicates.md,
1894 config/s390/s390.c, params.def, postreload-gcse.c,
1895 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
1896 tree-vrp.c, tree.c: Fix comment typos.
1897 * doc/invoke.texi: Fix typos.
1899 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
1901 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
1902 for testing whether the data_dependence_relation contains distance
1903 vectors. Iterate over all distance vectors of the ddr.
1904 * lambda.h: Define a vec of lambda_vector pointers.
1905 * tree-data-ref.c (dump_data_dependence_relation,
1906 dump_data_dependence_direction): Iterate over all distance and
1907 direction vectors of the ddr.
1908 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
1910 (build_classic_dist_vector, build_classic_dir_vector): Push a set
1911 of distance/direction vectors instead of a single one.
1912 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
1913 lambda_vectors with a vec of lambda_vectors.
1914 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
1915 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
1916 DDR_NUM_DIST_VECTS): New.
1917 * tree-loop-linear.c (gather_interchange_stats): Test for the
1918 existence of distance vectors only after having checked that there
1919 is a dependence. Iterate over all distance vectors of the ddr.
1920 (linear_transform_loops): Use dump_data_dependence_relation.
1921 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
1922 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
1923 distance vectors of the ddr.
1925 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
1927 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
1928 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
1929 IS_INTHANDLER; all callers changed.
1930 (n_regs_saved_by_prologue): Take interrupt handler attributes into
1932 (do_link, do_unlink): New argument ALL; all callers changed.
1933 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
1934 If function isn't leaf, save and restore all registers.
1935 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
1938 2005-11-05 Jan Hubicka <jh@suse.cz>
1940 PR rtl-optimization/23490
1941 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
1942 max-flow-memory-location): Document.
1943 * flow.c: Include params.h
1944 (MAX_MEM_SET_LIST_LEN): Kill.
1945 (add_to_mem_set_list): Use new param.
1946 * cse.c (cse_basic_block): Replace 1000 by new param.
1947 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
1948 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
1949 * predict.c (predict_loops): Use new param.
1950 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
1952 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
1953 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
1954 Do not hold memory returned by cgraph_node_name across other call.
1956 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
1959 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
1962 2005-11-04 Jeff Law <law@redhat.com>
1965 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
1966 * tree-ssa-dom.c: Include params.h.
1967 (thread_across_edge): If there are too many statements in the
1968 target block, then do not thread through it.
1969 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
1970 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
1972 2005-11-03 Diego Novillo <dnovillo@redhat.com>
1975 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
1976 TODO_update_ssa instead of TODO_update_ssa_no_phi.
1978 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
1981 * tree-scalar-evolution.c (instantiate_parameters_1,
1982 instantiate_parameters, resolve_mixers): Compute the size of an
1983 expression to be instantiated and give up the instantiation if the
1984 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1986 2005-11-04 Richard Guenther <rguenther@suse.de>
1988 * tree-flow.h (ref_contains_indirect_ref): Rename to
1989 array_ref_contains_indirect_ref.
1990 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
1991 (array_ref_contains_indirect_ref): Make comment match the code
1993 (ref_contains_array_ref): Likewise.
1994 * tree-ssa-structalias.c (find_func_aliases): Remove call to
1995 ref_contains_indirect_ref.
1996 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1997 Rename calls to ref_contains_indirect_ref.
1999 2005-11-04 Paul Brook <paul@codesourcery.com>
2001 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
2002 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
2003 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2004 * config/arm/arm.md: Use match_operand in peephole input templates
2005 and match_dup in peephole output templates.
2007 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2009 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
2012 2005-11-04 Mark Mitchell <mark@codesourcery.com>
2013 Daniel Jacobowitz <dan@codesourcery.com>
2015 * longlong.h (add_ssaaaa): Clobber condition code register
2017 (sub_ddmmss): Likewise.
2018 (umul_ppmm): Likewise.
2020 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2021 Paul Brook <paul@codesourcery.com>
2022 Phil Blundell <pb@reciva.com>
2024 * configure.ac: Add test for ARM TLS support.
2025 * configure: Regenerated.
2026 * config/arm/arm-protos.h (legitimize_tls_address)
2027 (arm_tls_referenced_p, tls_mentioned_p)
2028 (arm_output_addr_const_extra): New prototypes.
2029 (thumb_legitimize_pic_address): Delete.
2030 * config/arm/arm.c: Include "gt-arm.h".
2031 (enum tls_reloc): New.
2032 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
2033 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
2034 (arm_call_tls_get_addr, legitimize_tls_address)
2035 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
2036 (arm_init_tls_builtins, arm_emit_tls_decoration)
2037 (arm_output_addr_const_extra): New functions.
2038 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
2039 (TARGET_HAVE_TLS): Define.
2040 (target_thread_pointer): New.
2041 (arm_override_options): Handle -mtp=.
2042 (legitimize_pic_address): Ignore UNSPECs.
2043 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
2045 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
2046 (tls_get_addr_libfunc): New variable.
2047 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
2048 (arm_init_builtins): Call arm_init_tls_builtins.
2049 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
2050 (arm_encode_section_info): Call default_encode_section_info.
2051 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
2052 (enum arm_tp_type): New.
2053 (target_thread_pointer): Add declaration.
2054 (LEGITIMATE_CONSTANT_P): Handle TLS.
2055 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
2056 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
2057 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
2058 * config/arm/arm.md: Add UNSPEC_TLS.
2059 (movsi): Handle TLS.
2060 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
2062 (tls_load_dot_plus_eight): New insn and a peephole to create it.
2063 (load_tp_hard, load_tp_soft): New insns.
2064 * arm.opt: Add -mtp=.
2065 * doc/invoke.texi (ARM Options): Document -mtp.
2067 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2069 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
2070 * config/arm/libunwind.S: Include "lib1funcs.asm".
2071 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
2072 (LIB2ADDEH): Add libunwind.S.
2073 (LIB2ADDEHDEP): Add lib1funcs.asm.
2074 * mklibgcc.in: Handle asm files in libgcc_eh.a.
2076 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2079 * gcc/c.opt: Add a -lang-fortran option.
2080 * gcc/c-opts.c: Add a lang_fortran flag.
2081 (c_common_init_options): Handling the -lang-fortran option.
2082 (c_common_handle_option): Add a case for Fortran options in
2083 preprocessing. Remove cases for -ffixed-form and
2084 -ffixed-line-length. Add a case for -lang-fortran.
2086 2005-11-03 David Edelsohn <edelsohn@gnu.org>
2088 * config/rs6000/rs6000.c: Include params.h
2089 (optimization_options): Set max-grow-copy-bb-insns default to 16.
2090 (bdesc_2arg): Delete vpkuhss and vpkuwss.
2091 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
2092 (UNSPEC_VPKUWSS): Delete.
2093 (altivec_vpkuhss): Delete.
2094 (altivec_vpkuwss): Delete.
2095 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
2097 (neg_eq0<mode>): Remove final condition.
2098 (neg_eq<mode>): Remove condition and split-condition.
2100 2005-11-04 Alan Modra <amodra@bigpond.net.au>
2102 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
2103 Use associated print macros.
2105 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
2108 * diagnostic.c (diagnostic_set_info_translated): New function.
2109 (diagnostic_set_info): Use it. Add comment.
2110 * diagnostic.h (diagnostic_set_info_translated): Declare.
2112 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
2114 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
2115 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
2116 reference only if 'public' is true.
2117 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
2118 emit the .hidden directive only if the indirect reference is public.
2119 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
2120 Pass it to dw2_force_const_mem.
2121 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
2122 * dwarf2out.c (output_cfi): Adjust calls to above function.
2123 (output_call_frame_info): Likewise.
2124 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
2125 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
2127 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
2129 PR tree-optimization/24483
2130 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
2131 field to elts if possible.
2133 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
2136 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
2139 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
2141 Fix PR tree-optimization/24351
2143 * tree-ssa-structalias.c (struct variable_info): Add
2145 (get_varinfo_fc): New function to follow collapsing.
2146 (new_var_info): Set collapsed_to to NULL.
2147 (dump_constraint): Follow collapsing.
2148 (build_constraint_graph): Handle collapsing.
2149 (do_simple_structure_copy): Return false if something bad
2151 (collapse_rest_of_var): New function.
2152 (do_structure_copy): Collapse if do_simple_structure_copy returns
2155 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
2158 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
2159 expressions to a statement list instead of gimplifying them.
2161 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2163 PR rtl-optimization/23585
2164 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
2165 that can't trap plus a constant integer, if the mode has zero size.
2167 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
2170 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
2172 ("*insv<mode>_reg_extimm"): Likewise.
2174 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
2177 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
2178 c_common_type_for_mode returns an unnamed type.
2180 2005-11-02 Richard Henderson <rth@redhat.com>
2184 * dwarf2out.c (dwarf2out_reg_save_reg): New.
2185 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
2186 * function.c (assign_parms): Use calls.internal_arg_pointer.
2187 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
2189 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
2190 (TARGET_CALLS): Add it.
2191 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
2192 * targhooks.c (default_internal_arg_pointer): New.
2193 * targhooks.h (default_internal_arg_pointer): Declare.
2194 * tree.h (dwarf2out_reg_save_reg): Declare.
2195 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
2196 * config/i386/i386.c (dbx_register_map): Add return column.
2197 (dbx64_register_map, svr4_dbx_register_map): Likewise.
2198 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
2199 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
2200 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
2201 (ix86_save_reg): Save force_align_arg_pointer.
2202 (ix86_emit_save_regs): Make regno unsigned.
2203 (ix86_emit_save_regs_using_mov): Likewise.
2204 (ix86_expand_prologue): Handle force_align_arg_pointer.
2205 (ix86_expand_epilogue): Likewise.
2206 * config/i386/i386.h: (dbx_register_map): Update.
2207 (dbx64_register_map, svr4_dbx_register_map): Update.
2208 (struct machine_function): Add force_align_arg_pointer.
2209 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
2210 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
2211 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
2213 2005-11-02 Jan Hubicka <jh@suse.cz>
2216 * i386.md: Add peep2 for simplyfing array accesses.
2218 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
2221 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
2222 * config/s390/s390.c (s390_decompose_shift_count): New function.
2223 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
2224 (print_shift_count_operand): Use s390_decompose_shift_count.
2225 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
2226 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
2228 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
2231 * loop.c (loop_givs_rescan): Use force_operand to expand
2234 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
2237 * fold-const.c (build_range_check): Use unsigned when signed
2238 overflow is undefined also. If etype is subtype, make sure that
2239 the subtraction is in the supertype.
2241 2005-11-02 Richard Henderson <rth@redhat.com>
2244 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
2247 2005-11-01 Richard Henderson <rth@redhat.com>
2250 * loop.c (scan_loop): Do not propagate computations to a hard
2251 register destination with SMALL_REGISTER_CLASSES.
2253 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
2255 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
2256 costs for MULT inside PLUS or MINUS.
2258 2005-11-01 Bob Wilson <bob.wilson@acm.org>
2260 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
2261 (TRAMPOLINE_SIZE): Round up to 60.
2262 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
2264 2005-10-31 James E. Wilson <wilson@specifix.com>
2267 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
2268 ifdef. Put ifdefs around call in gen_subprogram_die.
2269 (compute_frame_pointer_to_cfa_displacement): Likewise.
2270 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
2273 PR rtl-optimization/17356
2274 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
2275 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
2277 2005-10-31 Jan Hubicka <jh@suse.cz>
2280 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
2283 * i386.c (legitimize_pic_address): Deal with large immediates.
2286 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
2287 from symbol names while computing checkup.
2290 * predict.c (predict_loops): Do not estimate more than
2291 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
2292 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
2294 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
2296 PR tree-optimization/19097
2297 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
2299 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
2301 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
2303 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
2306 * tree-inline.c (setup_one_parameter): If the init_stmt
2307 is NULL, don't insert the statement.
2309 2005-10-30 Jan Hubicka <jh@suse.cz>
2311 PR tree-optimization/24172
2312 * tree-inline.c (copy_body_r): Unshare the substituted value first.
2314 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
2316 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
2317 constants for hosts with long != 32 bits.
2319 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
2322 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
2324 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
2326 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
2327 (TARGET_MS1_16_002): New.
2328 (TARGET_MS1_16_003): New.
2330 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
2331 ("*decrement_and_branch_until_zero_no_clobber"): New.
2332 Add corresponding splitter for decrement_and_branch_until_zero
2334 Key all decrement_and_branch_until_zero patterns off of
2337 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
2340 * tree-complex.c (extract_component): Treat RESULT_DECL
2341 like the rest of the decls.
2343 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
2345 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
2346 indirect call to _mcount if the function needs a static chain.
2348 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
2349 Caroline Tice <ctice@apple.com>
2351 PR rtl-optimization/24460
2352 * dwarf2out.c (have_switched_text_sections): New boolean variable.
2353 (dwarf2out_switch_text_section): Set it to true instead of
2354 incrementing separate_line_info_table_in_use.
2355 (output_loc_list): Additionally test have_switched_text_sections.
2356 (output_ranges): Likewise.
2357 (dwarf2out_finish): Likewise.
2358 * varasm.c (assemble_start_function): Do not call
2359 insert_section_boundary_note.
2360 (assemble_end_function): If flag_reorder_blocks_and_partition,
2361 switch to the function's section before emitting the .size directive.
2362 * bb-reorder.c (insert_section_boundary_note): Staticify.
2363 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
2364 * output.h (insert_section_boundary_note): Delete.
2366 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
2369 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
2370 instead of pointer equality when comparing types.
2372 2005-10-24 James E. Wilson <wilson@specifix.com>
2374 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
2375 add_dependence_list_and_free calls.
2377 2005-10-24 Steven Bosscher <stevenb@suse.de>
2379 * contrib.texi: Add the names of the LLNL folks who donated
2380 Cray pointer support for gfortran.
2382 2005-10-24 Steven Bosscher <stevenb@suse.de>
2384 PR tree-optimization/24225
2385 * profile.c (branch_prob): Look from end to start through a
2386 basic block when looking for a locus.
2388 2005-10-24 Richard Henderson <rth@redhat.com>
2390 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
2392 (hppa_expand_prologue): Likewise.
2394 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2396 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
2397 (NO_DEFERRED_PROFILE_COUNTERS): Define.
2398 * pa.h (NO_PROFILE_COUNTERS): Define.
2399 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
2400 (funcdef_nos): New vector to hold label numbers of deferred profile
2402 (output_deferred_profile_counters): New function.
2403 (hppa_profile_hook): Push label number onto funcdef_nos.
2404 (pa_hpux_file_end): Call output_deferred_profile_counters if
2405 NO_DEFERRED_PROFILE_COUNTERS is false.
2407 * pa-protos.h (get_deferred_plabel): New prototype.
2408 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
2410 (output_call): Adjust calls.
2412 2005-10-24 Alan Modra <amodra@bigpond.net.au>
2414 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
2415 peculiarity of GOT/TOC section usage.
2417 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
2420 * c-common.c (constant_string_class_name): Add documentation.
2422 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
2425 * recog.c (peephole2_optimize): Increment peep2_current_count
2426 only when the slot is empty.
2428 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2431 * except.c (output_function_exception_table): Call
2432 assemble_external_libcall if we need a personality function.
2434 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2436 PR rtl-optimization/24460
2437 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
2438 set the basic block for barriers.
2440 2005-10-21 Janis Johnson <janis187@us.ibm.com>
2442 * var-tracking.c (vt_initialize): Initialize post.
2444 2005-10-21 Devang Patel <dpatel@apple.com>
2447 * c-common.c (vector_types_convertible_p): Check vector element type.
2449 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
2451 * config/sh/sh.c (prepare_move_operands): Handle the address
2452 constant which is a tls symbolic address plus a constant.
2454 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
2457 * gcc.c (main): Use the correct counter for erroring out
2458 about mulitple files.
2460 2005-10-21 Alan Modra <amodra@bigpond.net.au>
2463 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
2464 use r2 for 64-bit tls .got access.
2466 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
2468 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
2471 2005-10-20 Steven Bosscher <stevenb@suse.de>
2473 PR tree-optimization/24307
2474 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
2476 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
2479 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
2481 * varasm.c (find_decl_and_mark_needed): After cgraph global info
2482 is ready, stop marking functions, but still mark variables.
2484 2005-10-20 Richard Guenther <rguenther@suse.de>
2487 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
2490 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
2492 PR rtl-optimization/23585
2493 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
2494 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
2495 (may_trap_p_1): New predicate extracted from...
2496 (may_trap_p): ... here. Invoke may_trap_p_1.
2497 (may_trap_or_fault_p): New predicate.
2498 * rtl.h (may_trap_or_fault_p): Declare it.
2499 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
2500 instead of may_trap_p.
2501 (steal_delay_list_from_fallthrough): Likewise.
2502 (fill_simple_delay_slots): Likewise.
2503 (fill_slots_from_thread): Likewise.
2504 * function.c (pad_to_arg_alignment): Rework comment about
2505 SPARC_STACK_BOUNDARY_HACK.
2506 * config/sparc/sparc.h: Likewise.
2508 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
2510 * config/s390/s390.c (s390_expand_insv): New.
2511 * config/s390/s390-protos.h (s390_expand_insv): Declare.
2512 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
2513 ("icm_hi"): Remove mode attribute.
2514 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
2516 ("*extracthi", "*extractqi"): Remove.
2517 (extv<mode>", "*extzv<mode>"): New.
2518 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
2519 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
2521 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2523 * cfgexpand.c (discover_nonconstant_array_refs_r,
2524 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
2525 (tree_expand_cfg): Call discover_nonconstant_array_refs.
2526 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2527 discover_nonconstant_array_refs.
2529 2005-10-19 Steven Bosscher <stevenb@suse.de>
2532 * c-decl.c (pop_scope): Don't warn about an unused variable
2533 if it is marked with TREE_NO_WARNING.
2534 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
2535 somenow mismatch and olddecl is to be replaced.
2537 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
2540 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
2541 whether registers live on the edge can be saved/restored.
2543 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
2545 * config/sh/sh.c (fixup_mova): Skip notes.
2547 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2549 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
2550 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
2551 (s390_can_eliminate): Handle BASE_REGNUM elimination.
2552 (s390_initial_elimination_offset): Likewise.
2553 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
2554 register on TARGET_ZARCH targets.
2555 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
2556 (INITIAL_FRAME_POINTER_OFFSET): Remove.
2557 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
2558 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
2560 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2562 * config/s390/s390.md: Comment describing output modifiers updated.
2563 * config/s390/s390.c (print_operand): Likewise.
2565 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2567 * config/s390/s390.c (override_options): Added check for -mstack-size
2569 * doc/invoke.texi: Mention that limit in the documenation.
2571 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
2574 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
2576 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
2578 Fix PR tree-optimization/24231
2580 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
2581 (compute_avail): Ditto.
2583 2005-10-18 Richard Henderson <rth@redhat.com>
2586 * config/i386/i386.c (legitimate_constant_p): Check
2587 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
2589 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
2590 (legitimate_pic_address_disp_p): Reorg CONST checking to make
2591 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
2593 (print_operand_address): Likewise.
2594 * config/i386/predicates.md (x86_64_immediate_operand): Test
2595 SYMBOL_REF_TLS_MODEL properly inside CONST.
2596 (x86_64_zext_immediate_operand): Likewise.
2597 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
2598 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
2599 * config/i386/i386-protos.h: Remove predicates.md entries.
2601 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
2603 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2604 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
2606 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
2607 Ian Lance Taylor <ian@airs.com>
2610 * fold-const.c (fold_widened_comparison): Do not allow range based
2611 constant folding when right operand cannot be unwidened.
2613 2005-10-17 Richard Henderson <rth@redhat.com>
2615 * builtins.c (expand_builtin_synchronize): Build a new-style asm
2616 with a memory clobber.
2618 2005-10-17 James E Wilson <wilson@specifix.com>
2620 PR rtl-optimization/17356
2621 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
2622 checking for EDGE_EH.
2624 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
2626 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
2627 the slot on an even boundary for any type with 16-byte alignment.
2629 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
2632 * md.texi (Modifiers) <%>: Clarify that % doesn't work
2633 after register allocation.
2635 2005-10-17 DJ Delorie <dj@redhat.com>
2637 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
2640 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
2643 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
2646 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
2648 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
2649 to 2 if it's already non-zero.
2650 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
2651 is set and warn about it if flag_schedule_insns is 1.
2653 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
2655 * config/crx/crx.md: Compare-and-branch instructions need to
2658 2005-10-17 Uros Bizjak <uros@kss-loka.si>
2661 * config/i386/i386.md (*pushdi2_rex64 splitter)
2662 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
2663 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
2664 flow2 pass only when (optimize > 0 && flag_peephole2).
2666 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
2669 * gcc.c (have_c): New static variable.
2671 (process_command): Remove declation of have_c.
2672 Set have_o to 1 when handling -o.
2673 (main): Add a fatel error if there are multiple
2674 files specified and -o and -c/-S is passed witout
2675 -combine or multiple languages.
2677 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
2679 Fix PR tree-optimization/22444
2680 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
2681 Assert that we don't hit something with subvars.
2682 (setup_pointers_and_addressables): Don't add things with subvars,
2683 because we'll already process the subvars for aliasing purposes.
2685 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
2688 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
2689 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
2690 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
2691 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
2692 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
2693 swapped, alternatives for the R constraint.
2696 * builtins.c (get_builtin_sync_mode): Make unlimited
2697 mode_for_size request.
2699 2005-10-15 Richard Henderson <rth@redhat.com>
2701 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
2702 (gimplify_expr): ... here.
2703 (gimplify_compound_lval): Use it in initial scan loop. Allow
2704 fb_lvalue in base expression.
2706 2005-10-15 Richard Henderson <rth@redhat.com>
2709 * builtins.c (expand_builtin_trap): Export.
2710 * expr.h (expand_builtin_trap): Declare.
2711 * expr.c (expand_assignment): Emit a trap for integral offsets
2712 from registers that weren't reduced to bitpos.
2714 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
2715 (mark_array_ref_addressable): Remove.
2716 * tree-flow.h (mark_array_ref_addressable): Remove.
2717 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
2719 2005-10-15 James E Wilson <wilson@specifix.com>
2722 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
2723 (add_dependence_list_and_free): Likewise.
2724 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
2727 2005-10-15 Diego Novillo <dnovillo@redhat.com>
2731 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
2732 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
2734 (vrp_visit_phi_node): Only prevent infinite iterations when
2735 the previous result and the new result are both VR_RANGEs.
2737 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
2739 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
2742 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2745 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
2748 2005-10-14 Per Bothner <per@bothner.com>
2750 PR preprocessor/21250
2751 * c-ppoutput.c (print_line): Print internal line 0 as 1.
2753 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
2756 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
2757 overflow flags. Refactor some conditionals.
2759 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
2762 * tree-dfa.c (add_referenced_var): Only look at decls which
2763 have TREE_CONSTANT or TREE_READONLY set instead of if
2764 !TREE_PUBLIC or !TREE_CONSTANT.
2766 2005-10-13 James E Wilson <wilson@specifix.com>
2768 * doc/invoke.texi: For -x, add f95-cpp-input.
2769 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
2771 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
2773 PR tree-optimization/24262
2774 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
2775 in loop all the time.
2777 2005-10-12 Richard Henderson <rth@redhat.com>
2780 * tree.h (DECL_TRANSPARENT_UNION): Remove.
2781 * function.c (assign_parm_find_data_types): Don't support it.
2782 * print-tree.c (print_node): Likewise.
2783 * c-common.c (handle_transparent_union_attribute): Likewise.
2784 Use build_duplicate_type.
2785 * tree-inline.c (remap_type_1): Split out of remap_type;
2786 properly remap aggregate fields.
2787 (build_duplicate_type): New.
2788 * doc/extend.texi (Variable Attributes): Remove documentation
2789 for transparent_union.
2791 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2794 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
2795 (gen_stack_pointer_dec): Likewise.
2797 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
2801 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
2803 (struct cxx): Add adjust_class_at_definition target hook.
2804 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
2805 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
2806 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
2807 hook_void_tree. Add to TARGET_CXX.
2808 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
2810 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
2811 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
2812 instead of attribute. Check for dllexport override. Warn if
2813 inconsistent dll linkage. Don't lose old dllimport if decl has
2814 had address referenced. Tweak lookup of dllimport atribute.
2815 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
2816 for target specific rules. Don't add dllimport attribute if
2817 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
2818 dllimport attribute.
2819 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
2820 * varasm.c (initializer_constant_valid_p): Replace
2821 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
2825 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
2826 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
2827 (i[34567]86-*-mingw32*): Likewise.
2829 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
2830 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
2832 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
2833 C++-specific code. Change return value to bool.
2834 (i386_pe_dllimport_p): Likewise.
2835 (associated_type): Simplify and make language-independent
2836 (i386_pe_encode_section_info): Replace override of ambiguous
2837 dllimport symbol refs with a gcc_assert.
2838 (i386_pe_valid_dllimport_attribute_p): Define.
2839 * config/i386/winnt-cxx.c: New file. Define C++ versions of
2840 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2841 i386_pe_adjust_class_at_definition.
2842 * config/i386/winnt-stubs.c: New file. Define stub versions of
2843 lang-specific functions.
2844 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
2845 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2846 i386_pe_adjust_class_at_definition.
2847 (i386_pe_valid_dllimport_attribute_p): Declare.
2848 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
2849 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
2850 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
2853 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
2854 dllimport attribute with test of DECL_DLLIMPORT_P.
2856 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
2858 * combine.c (make_extraction): Correct offset computation.
2860 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
2862 * config/cris/t-linux (LIMITS_H_TEST): Define.
2864 2005-10-12 Richard Henderson <rth@redhat.com>
2867 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
2869 2005-10-12 Richard Guenther <rguenther@suse.de>
2871 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
2873 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
2876 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
2877 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
2880 2005-10-12 Richard Guenther <rguenther@suse.de>
2883 * varasm.c (output_constant): Correct typo from previous
2886 2005-10-11 Ian Lance Taylor <ian@airs.com>
2888 PR rtl-optimization/13931
2889 * combine.c: Revert patch of 2003-05-14, and:
2890 (try_combine): Only set elim_i1 and elim_i2 if the destination is
2891 completely killed in the appropriate insn.
2892 (distribute_notes): Don't skip multiple hard register test for
2893 elim_i1 and elim_i2.
2895 2005-10-11 Richard Henderson <rth@redhat.com>
2898 * c-typeck.c (convert_for_assignment): Use build_constructor_single
2899 to initialize a transparent union instead of a nop_expr.
2901 2005-10-11 Richard Henderson <rth@redhat.com>
2903 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
2904 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
2905 (tree_ssa_dce_loop): Call scev_reset.
2908 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
2909 * tree-ssa-dce.c: Include cfgloop.h.
2910 (tree_ssa_dce_loop, pass_dce_loop): New.
2911 * tree-pass.h (pass_dce_loop): Declare it.
2912 * passes.c (init_optimization_passes): Use it.
2914 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2917 * convert.c (convert_to_real): Revert 2005-10-05 patch.
2918 Only apply the optimization for rounding builtins if the inner
2919 cast is also an extension.
2921 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
2924 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
2925 mark_new_vars_to_rename instead of update_stmt.
2927 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
2929 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
2931 2005-10-11 Jakub Jelinek <jakub@redhat.com>
2933 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
2934 for setting MMX register to 0 rather than mmx.
2936 2005-10-10 Steve Ellcey <sje@cup.hp.com>
2939 * configure.ac: Move gas check from mips specific case to common case.
2940 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
2941 * configure: Regenerate
2942 * doc/install.texi: Update.
2944 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2947 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
2949 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
2951 * gcc.c (do_spec_1): Accept numeric characters in file name
2954 2005-10-10 Nick Clifton <nickc@redhat.com>
2956 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
2957 describing the deleted arm_gen_rotated_half_load function.
2959 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
2961 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
2964 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
2966 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
2968 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
2969 (EXTRA_MULTILIB_PARTS): Define.
2970 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2971 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2972 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
2973 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2974 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2975 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
2977 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
2979 PR tree-optimization/24226
2980 * tree-cfg.c (remove_bb): Clean up unreachable loops.
2981 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
2982 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
2985 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
2987 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
2989 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
2992 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
2993 Rewrite for no need for the early clobber.
2995 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
2997 Merge from csl-arm-branch:
2998 2005-09-07 Paul Brook <paul@codesourcery.com>
2999 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
3002 2005-04-30 Paul Brook <paul@codesourcery.com>
3003 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
3004 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
3006 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
3007 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
3008 (arm_override_options): Use TARGET_AAPCS_BASED.
3009 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
3010 (PTRDIFF_TYPE): Use int for AAPCS.
3011 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
3012 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
3013 (DEFAULT_SHORT_ENUMS): Delete.
3014 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
3016 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
3017 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
3018 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
3019 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
3021 2004-12-03 Mark Mitchell <mark@codesourcery.com>
3022 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
3024 2004-11-22 Mark Mitchell <mark@codesourcery.com>
3025 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
3027 2004-11-19 Mark Mitchell <mark@codesourcery.com>
3028 * config.gcc (arm*-*-linux-gnueabi): Add it.
3029 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
3031 (TARGET_OS_CPP_BUILTINS): Likeiwse.
3032 * config/arm/linux-eabi.h: New file.
3033 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
3034 (LINUX_TARET_LINK_SPEC): Likewise.
3035 (LINK_SPEC): Use it.
3036 * config/arm/t-linux-eabi: New file.
3038 2005-10-08 Steven Bosscher <stevenb@suse.de>
3041 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
3043 (PARAM_SMS_DFA_HISTORY): Likewise.
3045 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
3048 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
3049 (load_register_parameters): Call it.
3050 (check_sibcall_argument_overlap_1): Likewise.
3051 (store_one_arg): Likewise.
3053 2005-10-07 James E. Wilson <wilson@specifix.com>
3055 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
3056 DImode not VECINT24 for operand 2.
3059 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
3063 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
3064 fr_spill): Use destination_operand for operand 0.
3066 2005-10-07 DJ Delorie <dj@redhat.com>
3068 * varasm.c (output_constant): Limit error to expanding
3071 2005-10-07 Richard Guenther <rguenther@suse.de>
3074 * fold-const.c (fold_binary): Fix operand types during folding
3075 of X op (A, Y). Evaluation order of the side-effects of
3076 X and A are frontend-defined, so ensure we honour that even for
3077 tcc_comparison class operands; eased by removing duplicate code.
3079 2005-10-07 Steve Ellcey <sje@cup.hp.com>
3081 * stor-layout.c (layout_type): Do not allow alignment of array
3082 elements to be greater than their size.
3084 2005-10-07 Steve Ellcey <sje@cup.hp.com>
3086 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
3088 (hppa*-*-linux*): Ditto.
3089 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
3090 * config/host-hpux.c: New.
3091 * config/x-hpux: New.
3092 * config/pa/x-hpux: Remove.
3093 * config/pa/x-linux: Remove.
3094 * config/pa/pa-host.c: Remove.
3096 2005-10-07 Jeff Law <law@redhat.com>
3098 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
3099 determine whether or not to try and thread outgoing edges.
3101 2005-10-07 David Edelsohn <edelsohn@gnu.org>
3103 * config/rs6000/rs6000.md (eqsi_power): New.
3104 (neg_eq0si): Add TARGET_POWER to final condition.
3107 2005-10-06 Richard Henderson <rth@redhat.com>
3109 * config/rs6000/rs6000.c: Revert last change.
3111 2005-10-06 Richard Henderson <rth@redhat.com>
3113 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
3114 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
3116 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
3120 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
3121 out return_label and naked_return_label.
3123 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
3125 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
3128 2005-10-06 Richard Henderson <rth@redhat.com>
3131 * tree-inline.c (declare_return_variable): Handle modify_dest not
3134 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
3136 Fix PR tree-optimization/22488
3137 * tree-ssa-structalias.c (check_for_overlaps): New function.
3138 (create_variable_info_for): Use it.
3140 2005-10-06 Richard Henderson <rth@redhat.com>
3143 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
3144 (dwarf2out_start_source_file): Print it.
3146 2005-10-06 Geoffrey Keating <geoffk@apple.com>
3148 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
3150 2005-10-06 Richard Henderson <rth@redhat.com>
3153 * mode-switching.c (optimize_mode_switching): Clear transp bit
3154 for block with incomming abnormal edges.
3156 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
3157 (fpscr_set_from_mem): Use them.
3158 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
3159 (fpscr postinc splitters): Rewrite as peephole2+split.
3161 2005-10-06 David Edelsohn <edelsohn@gnu.org>
3163 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
3164 (eq<mode>_compare): Same.
3166 2005-10-06 Richard Guenther <rguenther@suse.de>
3168 PR tree-optimization/24238
3169 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
3171 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
3173 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
3174 here. Use AC_PATH_PROG for environment variables instead of
3176 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
3178 * configure: Regenerated.
3180 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
3183 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
3184 then force it into a register.
3185 (call_value): Likewise.
3187 2005-10-06 Richard Henderson <rth@redhat.com>
3190 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
3191 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
3192 under pass_vectorize.
3194 2005-10-05 Devang Patel <dpatel@apple.com>
3197 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
3198 handling constants. Check NAMESPACE_DECL context for constants.
3200 2005-10-05 Eric Christopher <echristo@apple.com>
3202 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
3204 2005-10-05 Richard Henderson <rth@redhat.com>
3207 * tree-cfg.c (mark_array_ref_addressable_1): New.
3208 (mark_array_ref_addressable): New.
3209 * tree-flow.h (mark_array_ref_addressable): Declare.
3210 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
3212 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
3216 * reload.c (subst_reloads): When adding a REG_LABEL to a
3217 jump instruction, also update JUMP_LABEL.
3219 2005-10-05 David Edelsohn <edelsohn@gnu.org>
3221 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
3222 * bb-reorder.c (copy_bb_p): Use it.
3223 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
3225 2005-10-05 Richard Henderson <rth@redhat.com>
3228 * toplev.c (process_options): Warn about unsupported combinations
3229 of unwind tables and omit-frame-pointer.
3230 * config/i386/i386.c (override_options): Similarly. Enable
3231 accumulate-outgoing-args if not explicitly disabled.
3233 2005-10-05 Steve Ellcey <sje@cup.hp.com>
3235 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
3236 Handle big endian vs. small endian.
3237 (vec_initv2sf): Handle big endian vs. small endian.
3238 (*vec_extractv2sf_1): Ditto.
3240 2005-10-05 Dale Johannesen <dalej@apple.com>
3242 * convert.c (convert_to_real): Don't convert
3243 (float)floor(double d) to floorf((float)d).
3245 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
3247 * config/arm/arm.md (insv): Use gen_int_mode in more places.
3249 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
3251 PR tree-optimization/18587
3252 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
3253 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
3254 build_vuses): Change to VEC type.
3255 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
3256 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
3257 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
3258 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
3259 (get_name_decl): New. Return DECL_UID of base variable.
3260 (operand_build_cmp): New. qsort comparison routine.
3261 (operand_build_sort_virtual): New. Sort virtual build vector.
3262 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
3263 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
3264 (FINALIZE_BASE): Use get_name_decl.
3265 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
3266 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
3267 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
3268 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
3269 direct VEC_* manipulations.
3270 (build_ssa_operands): Call operand_build_sort_virtual.
3271 (copy_virtual_operand, create_ssa_artficial_load_stmt,
3272 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
3273 with direct VEC_* manipulations.
3274 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
3275 with direct VEC manipulations.
3277 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
3279 PR tree-optimization/21419
3280 PR tree-optimization/24146
3281 PR tree-optimization/24151
3283 * c-typeck.c (readonly_error): Handle USE being lv_asm.
3284 (build_asm_expr): Call it if outputs are read-only.
3285 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
3287 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
3288 Paolo Bonzini <bonzini@gnu.org>
3292 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
3293 enable the instructions and not just the built-ins.
3294 * doc/invoke.texi (x86 Options): Likewise.
3296 2005-10-04 Geoffrey Keating <geoffk@apple.com>
3298 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
3300 * doc/invoke.texi (Option Summary): Correct spelling
3301 of -mmacosx-version-min.
3303 2005-10-04 Devang Patel <dpatel@apple.com>
3305 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
3308 2005-10-04 Steve Ellcey <sje@cup.hp.com>
3310 * tree-vect-transform.c (vect_create_epilog_for_reduction):
3311 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
3313 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
3315 * config/s390/s390.md ("TDSI","DP"): New mode macros.
3316 ("TE","tg"): New mode attributes.
3317 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
3318 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
3319 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
3320 dword_mode and one for GPRmode.
3322 2005-10-04 Ian Lance Taylor <ian@airs.com>
3324 PR preprocessor/13726
3325 * c-ppoutput.c (cb_include): Add comments parameter, and print out
3326 any comments passed in.
3328 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3330 * tree.c (annotate_with_file_line): Fix typo.
3332 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3335 * builtins.c (fold_builtin_memcmp): When constructing the pointer
3336 type used to access data in the inlined length == 1 case, use
3337 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
3338 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
3340 2005-10-04 Uros Bizjak <uros@kss-loka.si>
3342 * config/i386/i386.h (TARGET_FISTTP): Enable also for
3343 TARGET_SSE3 and only for TARGET_80387.
3344 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
3345 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
3346 Do not depend on TARGET_80387.
3348 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3350 * tree.c (last_annotated_node): Change type to location_t*.
3351 (annotate_with_file_line): Reflect the change of
3352 last_annotated_node type.
3354 2005-10-04 Richard Guenther <rguenther@suse.de>
3357 * c-decl.c (grokdeclarator): Don't write to fields
3360 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3363 * c-decl.c (finish_decl): Use set_user_assembler_name even for
3365 * varasm.c (make_decl_rtl): If a register variable does not
3366 have a set user assmbler name, error out.
3367 Decode the asmspec is now name+1 bypassing '*'.
3369 2005-10-04 Steven Bosscher <stevenb@suse.de>
3371 PR tree-optimization/23049
3372 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
3373 of a COND_EXPR is folded before calling fold on the whole rhs of a
3374 conditional assignment.
3375 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
3376 document that a COND_EXPR may appear there.
3378 2005-10-03 Diego Novillo <dnovillo@redhat.com>
3381 * tree-vrp.c (extract_range_from_assert): If the new numeric
3382 range created out of the assertion contradicts the existing
3383 numeric range of the ASSERT_EXPR variable, make the new range
3386 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
3388 * config/sh/sh.c (sh_register_move_cost): Add case for moving
3389 from T_REGS to FP register class.
3391 2005-10-03 Richard Henderson <rth@redhat.com>
3394 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
3395 before creating a new one.
3397 2005-10-03 David Edelsohn <edelsohn@gnu.org>
3399 * config/rs6000/t-aix43 (LDFLAGS): New.
3400 * config/rs6000/t-aix52 (LDFLAGS): New.
3402 2005-10-03 Ian Lance Taylor <ian@airs.com>
3404 * gimplify.c (find_single_pointer_decl_1): New static function.
3405 (find_single_pointer_decl): New static function.
3406 (internal_get_tmp_var): For a formal variable, set restrict base
3407 information if appropriate.
3408 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
3410 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
3411 (DECL_GET_RESTRICT_BASE): Define.
3412 (SET_DECL_RESTRICT_BASE): Define.
3413 (decl_restrict_base_lookup): Declare.
3414 (decl_restrict_base_insert): Declare.
3415 (struct tree_decl_with_vis): Add based_on_restrict_p field.
3416 * tree.c (restrict_base_for_decl): New static variable.
3417 (init_ttree): Initialize restrict_base_for_decl.
3418 (copy_node_stat): Copy restrict base information.
3419 (decl_restrict_base_lookup): New function.
3420 (decl_restrict_base_insert): New function.
3421 (print_restrict_base_statistics): New static function.
3422 (dump_tree_statistics): Call print_restrict_base_statistics.
3424 2005-10-02 Diego Novillo <dnovillo@redhat.com>
3427 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
3428 case of anti-ranges.
3430 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
3433 * c-typeck.c (tagged_tu_seen): Rename to ...
3434 (tagged_tu_seen_cache): this and add val field.
3435 (comptypes): Move functional to comptypes_internal
3436 and free tagged_tu_seen.
3437 (comptypes_internal): New function and call comptypes_internal
3438 instead of comptypes. Speed up by sibcalling
3439 tagged_types_tu_compatible_p.
3440 (alloc_tagged_tu_seen): New function
3441 (free_all_tagged_tu_seen_up_to): New function.
3442 (tagged_types_tu_compatible_p): Return the val of the seen two
3444 Add that the two types are the same to tagged_tu_seen_base
3445 if they are and call comptypes_internal instead of comptypes.
3446 <case UNION_TYPE>: Speed up common type where the fields are
3448 (function_types_compatible_p): Call comptypes_internal instead of
3450 (type_lists_compatible_p): Likewise.
3451 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
3453 2005-10-02 Matthias Klose <doko@debian.org>
3455 * doc/invoke.texi: Fix typo and speling error.
3457 2005-10-01 Richard Henderson <rth@redhat.com>
3459 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
3461 2005-10-01 Mark Mitchell <mark@codesourcery.com>
3463 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
3464 using --start-group and --end-group.
3466 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3468 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
3469 FIXME note regarding quirky semantics.
3471 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3474 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
3475 non-null range as a last resort.
3477 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
3478 Diego Novillo <dnovillo@redhat.com>
3481 * tree-vrp.c (extract_range_from_assert): For !=
3482 assertions, only build an anti-range if LIMIT is a
3483 single-valued range.
3485 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
3487 * arm.md (movqi): On thumb when optimizing, handle loading from
3488 memory by describing this as taking a subreg of a zero-extended load
3489 into an SImode register.
3492 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
3494 * reload1.c (merge_assigned_reloads): Do not change any
3495 RELOAD_FOR_OUTPUT_ADDRESS reloads.
3497 2005-09-30 Geoffrey Keating <geoffk@apple.com>
3499 * Makefile.in (LIPO_FOR_TARGET): Define.
3500 (STRIP_FOR_TARGET): Define.
3502 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
3503 before creating new ones. Do symlinks before creating the actual
3506 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
3507 to work out which multilibs are actually being built.
3509 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
3511 * tree-vect-transform.c, config/ms1/ms1.md,
3512 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
3513 Follow spelling conventions.
3514 * doc/invoke.texi, doc/md.texi: Fix typos.
3516 2005-09-30 Andrew Macleod <amacleod@redat.com>
3518 PR tree-optimization/21430
3519 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
3520 use operands, and set stmt pointer if need be.
3521 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
3522 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
3525 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3528 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
3530 2005-09-29 Mark Mitchell <mark@codesourcery.com>
3532 * optabs.c (expand_binop): Initialize first_pass_p.
3534 2005-09-29 Jakub Jelinek <jakub@redhat.com>
3537 * c-decl.c (c_write_global_declarations_1): If any
3538 wrapup_global_declaration_2 call returned true, restart the loop.
3540 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
3542 Fix PR tree-optimization/24117
3543 * tree-ssa-structalias.c (find_func_aliases): Strip nops
3544 before considering whether to use anyoffset.
3546 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3550 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3552 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3554 (swap_commutative_operands_with_target): New.
3556 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3559 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
3562 2005-09-29 Steven Bosscher <stevenb@suse.de>
3564 PR tree-optimization/23911
3565 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
3566 and IMAGPART_EXPR too.
3568 2005-09-28 Mark Mitchell <mark@codesourcery.com>
3571 * expmed.c (expand_shift): Move logic to reverse rotation
3572 direction when rotating by constants ...
3573 * optabs.c (expand_binop): ... here.
3574 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
3575 (ix86_rotrdi3): New pattern.
3576 (rotldi3): Handle 32-bit mode.
3577 (ix86_rotldi3): New pattern.
3579 2005-09-29 Alan Modra <amodra@bigpond.net.au>
3582 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
3583 check for numbers that need no bit twiddle.
3585 2005-09-28 Geoffrey Keating <geoffk@apple.com>
3587 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
3588 multilib to be built.
3590 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
3591 (stage1-start): Delete old libgcc and libunwind before moving
3592 anything into the stage directory.
3593 (stage2-start): Likewise.
3594 (stage3-start): Likewise.
3595 (stage4-start): Likewise.
3596 (stageprofile-start): Likewise.
3597 (stagefeedback-start): Likewise.
3598 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
3599 header in tm_file and CPU-specific t-darwin in tmake_file.
3600 (i[34567]86-*-darwin*): Don't change tm_file.
3601 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
3602 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
3603 shared library stub for target OS version.
3604 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
3605 (SHLIB_LINK): Don't make SHLIB_SOLINK.
3606 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
3607 (libgcc_s.%.dylib): New.
3609 (install-darwin-libgcc-stubs): New.
3610 (INSTALL_LIBGCC): New append.
3611 * config/i386/darwin-libgcc.10.4.ver: New.
3612 * config/i386/darwin-libgcc.10.5.ver: New.
3613 * config/i386/t-darwin: New.
3614 * config/rs6000/darwin-libgcc.10.4.ver: New.
3615 * config/rs6000/darwin-libgcc.10.5.ver: New.
3616 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
3617 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
3619 2005-09-28 Paul Brook <paul@codesourcery.com>
3621 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
3624 2005-09-28 Richard Guenther <rguenther@suse.de>
3626 PR tree-optimization/23853
3627 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
3628 host_integerp to verify misalignment value.
3630 2005-09-28 Richard Henderson <rth@redhat.com>
3632 * builtins.c (get_builtin_sync_mode): New.
3633 (expand_builtin_sync_operation): Pass in mode argument.
3634 (expand_builtin_compare_and_swap): Likewise.
3635 (expand_builtin_lock_test_and_set): Likewise.
3636 (expand_builtin_lock_release): Likewise.
3637 (expand_builtin): Update to match.
3639 2005-09-28 Nick Clifton <nickc@redhat.com>
3641 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
3642 formatting. Add check to PLUS case to ensure that the offset is
3643 within an acceptable range.
3645 * config/v850/v850.md (casesi): Disable the generation of the
3646 switch pattern as it is not being handled properly at the moment.
3648 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
3649 for when the high words are identical.
3651 2005-09-27 Richard Henderson <rth@redhat.com>
3653 * pretty-print.c (pp_base_format): Fix typo for %>.
3655 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
3656 Devang Patel <dpatel@apple.com>
3658 PR tree-optimization/23625
3659 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
3660 LABEL_EXPR, assertion check.
3662 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
3664 * optabs.c (no_conflict_move_test): Check if a result of a
3665 to-be-moved insn would be clobbered by an originally
3668 2005-09-27 Jeff Law <law@redhat.com>
3670 * passes.c (init_optimization_passes): Replace copy propagation
3671 passes immediately after DOM with phi-only copy propagation
3672 pases. Add phi-only copy propagation pass after first DOM pass.
3673 * tree-pass.h (pass_phi_only_copy_prop): Declare.
3674 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
3675 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
3676 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
3677 to init_copy_prop. Callers updated.
3678 (do_phi_only_copy_prop): New function.
3679 (pass_phi_only_copy_prop): New pass descriptor.
3681 2005-09-27 Nick Clifton <nickc@redhat.com>
3683 * libgcc2.c (__popcount_tab): Remove redundant prototype.
3685 2005-09-26 Jason Merrill <jason@redhat.com>
3688 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
3690 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
3692 2005-09-26 James E Wilson <wilson@specifix.com>
3694 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
3695 copyright. Add gcc copyright plus libgcc exception.
3696 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
3698 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
3700 2005-09-26 Jeff Law <law@redhat.com>
3702 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
3703 about when to iterate.
3705 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
3708 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
3709 for __complex__ double in -mcpu=G5 mode.
3711 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
3713 PR tree-optimization/23942
3714 * Makefile.in (SCEV_H): Depends on PARAMS_H.
3715 * tree-scalar-evolution.c: Include params.h.
3717 (follow_ssa_edge, follow_ssa_edge_in_rhs,
3718 follow_ssa_edge_in_condition_phi_branch,
3719 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
3720 Change return type to t_bool. Use a parameter to limit the size of
3721 trees that are walked before stopping
3722 (analyze_evolution_in_loop): Initialize the limit to 0.
3723 (follow_ssa_edge): Give up by returning t_dont_know if the limit
3724 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3726 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3729 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
3730 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
3732 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
3734 * combine.c (make_extraction): Check for valid use of subreg.
3736 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3739 * config/i386/i386.md ("*fistdi2_1"): New pattern.
3740 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
3741 ("fist<mode>2_with_temp"): Use only register operands.
3743 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
3745 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
3746 CALL_INSN_FUNCTION_USAGE.
3748 2005-09-26 Richard Guenther <rguenther@suse.de>
3751 * gcse.c: Include hashtab.h, define ldst entry hashtable.
3752 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
3753 (ldst_entry): Use the hashtable instead of list-walking.
3754 (find_rtx_in_ldst): Likewise.
3755 (free_ldst_entry): Free the hashtable.
3756 (compute_ld_motion_mems): Create the hashtable.
3757 (trim_ld_motion_mems): Remove entry from hashtable if
3758 removing it from list.
3759 (compute_store_table): Likewise^2.
3760 (store_motion): Free hashtable in case we did not see
3763 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
3765 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
3766 and arg1 if we are passing them to fold_build2.
3768 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
3771 * config/i386/i386.c (ix86_function_regparm): Fix the test for
3774 2005-09-25 Richard Henderson <rth@redhat.com>
3776 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
3777 SYMBOL_REF_TLS_MODEL to be correct.
3779 2005-09-24 Richard Henderson <rth@redhat.com>
3781 * ipa-type-escape.c (discover_unique_type): Remove dead code at
3782 end of function. Reindent.
3784 2005-09-24 Ian Lance Taylor <ian@airs.com>
3786 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
3787 NEGATE_EXPR/BIT_NOT_EXPR case.
3789 2005-09-24 Richard Henderson <rth@redhat.com>
3791 * c-common.c (handle_mode_attribute): When not modifying in place,
3792 create subtypes for enumerations.
3793 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
3794 * gimplify.c (create_tmp_from_val): Likewise.
3796 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
3798 * config/i386/i386.md (*tls_global_dynamic_64,
3799 *tls_local_dynamic_base_64): Add missing mode to call.
3800 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
3802 2005-09-24 Jan Hubicka <jh@suse.cz>
3804 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
3805 (cgraph_clone_node): Likewise.
3806 * cgraph.h (cgraph_clone_edge): Update prototype.
3807 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
3808 duplicated prototypes; add updating argument.
3809 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
3810 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
3812 (cgraph_mark_inline_edge): Likewise.
3813 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
3814 (cgraph_flatten_node): Likewise.
3815 (cgraph_decide_recursive_inlining): Likewise.
3816 (cgraph_decide_inlining_of_small_function): Likewise.
3817 * tree-optimize.c (tree_rest_of_compilation): Likewise.
3819 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3820 Pete Steinmetz <steinmtz@us.ibm.com>
3822 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
3823 (rldic.): Set type to "compare".
3825 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
3826 mfjmpr for MFCTR/MFLR.
3827 (movdf_hardfloat64): Same.
3828 (movdf_softfloat64): Same. Correct order of store and move types.
3829 (movti_string): Set type to store_ux/load_ux.
3830 (load_multiple): Set type to load_ux.
3831 (store_multiple): Set type to store_ux.
3832 (movmemsi): Set type to store_ux.
3833 (output_cbranch direct_return): Set type to jmpreg.
3834 (stmw): Set type to store_ux.
3835 (lmw): Set type to load_ux.
3836 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
3837 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
3838 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
3839 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
3840 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
3841 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
3842 (rios1-fpstore): Increase latency to 3.
3843 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
3844 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
3846 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3847 Andrew Pinski <pinskia@physics.uc.edu>
3849 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
3850 operand2 constraint to "b".
3851 (sync_<fetchop_name>di_internal): Same.
3852 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
3854 (sync_old_<fetchop_name>di_internal): Same.
3855 (sync_new_<fetchop_name>si_internal): Same.
3856 (sync_new_<fetchop_name>di_internal): Same.
3858 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
3861 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
3862 case, define as macros.
3864 PR rtl-optimization/23837
3865 * optabs.c (no_conflict_move_test): Don't set must_stay for a
3866 clobber / clobber match between dest and p->first.
3868 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
3869 (no_conflict_move_test): Update comments.
3871 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3873 * doc/install.texi: Update URL for Jacks.
3874 * doc/sourcebuild.texi: Likewise.
3876 2005-09-22 David Edelsohn <edelsohn@gnu.org>
3879 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
3880 registers when choosing register preferences.
3881 (movdf_hardfloat64): Same.
3883 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
3885 * expmed.c (expand_shift): Don't use the target of the rotate as
3886 target for the first expanded shift insn.
3887 * testsuite/gcc.dg/20050922-1.c: Testcase added.
3889 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
3891 PR tree-optimization/22438
3892 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
3893 preserved iv rhs rewriting specially.
3895 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
3897 * tree-data-ref.c (analyze_array_indexes): Only estimate when
3898 estimate_only is true.
3899 * tree-flow.h (ref_contains_indirect_ref): New prototype.
3900 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
3901 tree-ssa-structalias.c
3902 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
3903 ref_contains_indirect_ref.
3904 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
3906 2005-09-21 DJ Delorie <dj@redhat.com>
3908 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
3910 (mn10300_return_in_memory): Support variable size types also.
3911 (mn10300_pass_by_reference): Likewise.
3912 (mn10300_function_value): New.
3913 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
3914 (FUNCTION_OUTGOING_VALUE): Likewise.
3915 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
3916 * doc/invoke.texi: Document it.
3918 2005-09-21 Uros Bizjak <uros@kss-loka.si>
3921 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
3922 force integer op1 into register for XFmode compares.
3924 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3927 * expmed.c (alg_code): Add alg_impossible.
3928 (alg_hash_entry): Add cost.
3929 (synth_mult): Record alg_impossible in the hash table if
3930 multiplication by a given integer is impossble within the
3931 limit. Speed up using alg_impossible.
3933 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
3935 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
3936 argument. Allow and set any offset if needs_anyoffset is passed
3938 (get_constraint_for): Add argument here too.
3940 (do_structure_copy): Pass NULL to get_constraint_for.
3941 (handle_ptr_arith): Ditto.
3942 (find_func_aliases): Ditto.
3944 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
3946 PR rtl-optimization/23898
3947 * output.h (get_attr_min_length): Declare.
3948 * final.c (get_attr_length_1): New function, broken out of:
3950 (get_attr_min_length): New function.
3951 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
3952 (duplicate_computed_gotos): Likewise.
3953 * genattr.c (insn_min_length): Generate declaration.
3954 * genattrtab.c (min_fn, min_attr_value): New functions.
3955 (make_length_attrs): Generate insn_min_length.
3957 2005-09-20 Steve Ellcey <sje@cup.hp.com>
3959 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
3961 2005-09-20 Richard Henderson <rth@redhat.com>
3963 PR tree-optimization/24059
3964 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
3967 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
3969 * c.opt (fextended-identifiers): New.
3970 * c-opts.c (c_common_handle_option): Handle
3971 -fextended-identifiers.
3972 * doc/cpp.texi: Update documentation of extended identifiers.
3973 * doc/cppopts.texi (-fextended-identifiers): Document.
3975 2005-09-20 Jakub Jelinek <jakub@redhat.com>
3977 PR tree-optimization/23929
3978 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
3981 PR tree-optimization/23818
3982 * tree-stdarg.c (execute_optimize_stdarg): Call
3983 calculate_dominance_info.
3985 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
3987 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
3988 (analyze_siv_subscript_cst_affine): Add weak SIV test.
3989 (compute_overlap_steps_for_affine_1_2): Use
3990 get_number_of_iters_for_loop.
3991 (analyze_subscript_affine_affine): Check whether difference is
3993 Use get_number_of_iters_for_loop.
3994 Check whether overlap occurs outside of bounds.
3995 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
3997 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
3999 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
4000 base register if possible.
4002 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
4004 PR tree-optimization/18463
4005 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
4006 converting it directly is not possible.
4007 (chrec_convert_aggressive): New function.
4008 * tree-chrec.h (chrec_convert_aggressive): Declare.
4009 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
4010 Fold chrec conversions aggressively if asked to.
4011 (instantiate_parameters): Modified because of changes in
4012 instantiate_parameters_1.
4014 2005-09-19 Richard Henderson <rth@redhat.com>
4016 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
4017 (reduc_splus_v2df): New.
4019 2005-09-19 Richard Sandiford <richard@codesourcery.com>
4021 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
4022 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
4024 2005-09-19 Richard Henderson <rth@redhat.com>
4026 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
4029 2005-09-19 Richard Henderson <rth@redhat.com>
4031 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
4032 (ia64_expand_dot_prod_v8qi): New.
4033 * config/ia64/ia64-protos.h: Update.
4034 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
4035 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
4036 sdot_prodv8qi, sdot_prodv4hi): New.
4037 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
4039 2005-09-19 Richard Henderson <rth@redhat.com>
4042 * real.c (exact_real_truncate): Return false if the format cannot
4043 represent the number as a normal.
4045 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
4046 for a memory source.
4048 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
4050 * tree-ssa-operands.c (swap_tree_operands): Export.
4051 * tree.h (swap_tree_operands): Declare.
4052 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
4053 Call swap_tree_operands.
4055 2005-09-19 Richard Henderson <rth@redhat.com>
4057 * tree-flow.h (merge_alias_info): Declare.
4058 * tree-ssa-copy.c (merge_alias_info): Export.
4059 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
4060 (vect_create_data_ref_ptr): Use create_iv directly.
4061 (vectorizable_load): Use correct types for integer constants.
4062 (vect_generate_tmps_on_preheader): Likewise.
4063 (vect_gen_niters_for_prolog_loop): Likewise.
4065 2005-09-19 Steven Bosscher <stevenb@suse.de>
4067 PR rtl-optimization/23943
4068 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
4070 2005-09-18 Jan Hubicka <jh@suse.cz>
4072 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
4074 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
4076 * varasm.c (output_constant): Do not abort on conversions to union
4077 types between different sizes.
4079 2005-09-18 Richard Guenther <rguenther@suse.de>
4082 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
4085 2005-09-18 Paul Brook <paul@codesourcery.com>
4087 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
4089 2005-09-17 Richard Henderson <rth@redhat.com>
4091 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
4092 * tree-ssa-loop.c (pass_vect_dce): Remove.
4093 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
4096 2005-09-17 Richard Henderson <rth@redhat.com>
4098 * tree-pass.h (pass_vect_dce): Declare.
4099 * passes.c (init_optimization_passes): Add it.
4100 * tree-flow.h (tree_ssa_dce): Declare.
4101 * tree-ssa-dce.c (tree_ssa_dce): Export.
4102 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
4103 (gate_tree_vectorize): ... here.
4104 (pass_vect_dce): New.
4106 2005-09-17 Jan Hubicka <jh@suse.cz>
4108 * except.c (struct eh_status): Turn region_array into vec.
4109 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
4110 convert_from_eh_region_ranges, find_exception_handler_labels,
4111 current_function_has_exception_handlers, assign_filter_values,
4112 build_post_landing_pads, dw2_build_landing_pads,
4113 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
4114 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
4115 foreach_reachable_handler, can_throw_internal_1,
4116 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
4118 (duplicate_eh_region_1): Update region_array.
4119 (duplicate_eh_regions): Resize region_array and avoid recomputing.
4121 2005-09-17 David Edelsohn <edelsohn@gnu.org>
4124 * expmed.c (expand_mult): Substitute simple register for op0 when
4127 2005-09-17 Richard Henderson <rth@redhat.com>
4129 * expr.c (emit_move_via_integer): Add force argument, pass it on
4130 to emit_move_change_mode. Update callers.
4131 (emit_move_complex): Pass true to new force argument.
4132 * function.c (expand_function_end): Move expand_eh_return call
4133 earlier. Merge sub-word complex values into a pseudo before
4134 copying to the return hard register.
4136 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
4138 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
4139 between different sizes.
4141 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
4145 * passes.c (init_optimization_passes): Register dump files for
4148 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
4150 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
4151 * config/s390/s390.c (s390_overlap_p): New function.
4152 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
4153 peephole2, "*xc" peephole2): Added overlap check to the peephole2
4156 2005-09-16 Richard Guenther <rguenther@suse.de>
4158 * ipa-pure-const.c (static_execute): Free auxiliar information.
4159 * ipa-type-escape.c (discover_unique_type): Free temporary key.
4160 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
4162 2005-09-15 DJ Delorie <dj@redhat.com>
4164 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
4166 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
4168 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4170 (swap_commutative_operands_with_target): New.
4172 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
4174 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
4177 (estimate_iters_using_array): New function.
4178 * tree-data-ref.h (estimate_iters_using_array): Prototype
4179 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4180 Use estimate_iters_using_array instead of analyze_array.
4182 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
4184 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
4187 2005-09-15 Michael Matz <matz@suse.de>
4189 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
4191 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
4193 PR tree-optimization/23835
4194 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
4195 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
4197 2005-09-14 Richard Henderson <rth@redhat.com>
4199 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
4200 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
4202 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
4204 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
4205 in the ARRAY_TYPE case.
4207 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
4209 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
4211 2005-09-14 Uros Bizjak <uros@kss-loka.si>
4214 * tree-vect-transform.c (vectorizable_operation): Return false for
4215 scalar shift operations and for vector shift operations with
4216 non-invariant shift arguments. Use scalar tree operand op1 as
4217 a shift operand when vector shift insn pattern uses scalar shift
4219 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
4221 2005-09-14 Olivier Hainque <hainque@adacore.com>
4223 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
4224 value if it has side-effects.
4226 2005-09-14 David Edelsohn <edelsohn@gnu.org>
4229 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
4231 2005-09-14 Alan Modra <amodra@bigpond.net.au>
4233 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
4234 passed as NAME as if it were label at start of function code.
4236 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
4238 * config/sh/sh.md (*movv4sf_i): Add general register cases to
4241 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4243 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
4244 as early clobber. Rewrite so the PIC register is not implicitly used.
4246 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4248 * tree.c (annotate_with_file_line): Compare line numbers before
4251 2005-09-13 Uros Bizjak <uros@kss-loka.si>
4254 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
4255 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
4257 2005-09-13 Ian Lance Taylor <ian@airs.com>
4259 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
4260 than a HOST_WIDEST_INT to gen_doloop_begin.
4262 2005-09-13 Diego Novillo <dnovillo@redhat.com>
4264 * tree-dfa.c (dump_variable): Guard against NULL annotations.
4266 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
4268 PR tree-optimize/23817
4269 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
4271 2005-09-13 Alan Modra <amodra@bigpond.net.au>
4274 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
4275 word before changing the stack pointer. Use gen_frame_mem for MEMs.
4276 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
4277 (restore_stack_nonlocal): Likewise.
4278 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
4280 2005-09-12 Ian Lance Taylor <ian@airs.com>
4283 * c.opt (ffriend-injection): New C++ option.
4284 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
4285 (C++ Dialect Options): Document -ffriend-injection.
4287 2005-09-12 Josh Conner <jconner@apple.com>
4290 * ipa-reference.c (static_execute): Don't mark variables in
4291 named sections TREE_READONLY.
4293 2005-09-12 Alan Modra <amodra@bigpond.net.au>
4295 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
4298 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4300 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
4301 V_MUST_DEF instead of just the first_use_p.
4302 Don't mark the virtual variables for renaming on the statement which
4304 (pass_dse): Remove TODO_update_ssa.
4306 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
4309 * stor-layout.c (compute_record_mode): For records with a single
4310 field, actually check the field's mode size against the type size.
4312 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
4313 registers for TARGET_SHMEDIA.
4314 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
4315 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
4316 of GENERAL_REGS and FP_REGS.
4318 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
4320 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
4322 2005-09-12 Alan Modra <amodra@bigpond.net.au>
4324 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
4325 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
4326 are omitted. Exclude stack_tie insn too.
4328 2005-09-11 David Edelsohn <edelsohn@gnu.org>
4330 PR rtl-optimization/23098
4331 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
4333 * config/rs6000/rs6000.md (movdf splitter): Use
4334 const_double_operand predicate for TARGET_POWERPC64.
4335 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
4336 SYMBOL_REF method to ABI_V4.
4338 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
4339 replace_equiv_address.
4340 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
4341 rs6000_sr_alias_set and MEM_NOTRAP.
4342 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
4344 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
4346 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
4347 handle CALL_EXPR again.
4349 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
4351 * arm/predicates.md (alignable_memory_operand): Delete.
4353 2005-09-10 Richard Henderson <rth@redhat.com>
4356 * dbxout.c (dbxout_expand_expr): New.
4357 (dbxout_symbol): Use it.
4359 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
4361 * arm.c (arm_gen_rotated_half_load): Delete.
4362 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
4363 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
4364 (thumb_set_return_address): Likewise.
4365 (thumb_load_double_from_address): Use adjust_address.
4366 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
4367 (extendhsisi2_mem, movhi_bytes): Use change_address.
4368 (movhi): Use widen_memory_access.
4369 (reload_out_df): Use replace_equiv_address.
4370 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
4372 2005-09-09 Richard Henderson <rth@redhat.com>
4375 * dbxout.c: Include expr.h.
4376 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
4377 (dbxout_symbol): Handle DECL_VALUE_EXPR.
4378 * Makefile.in (dbxout.o): Add EXPR_H.
4380 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
4382 PR tree-optimization/23509
4383 * tree-cfg.c (replace_uses_by): Use replace_exp.
4384 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
4385 pointers have name_mem_tag or type_mem_tag set.
4387 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4389 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
4390 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
4391 of wrongly accessing operands.
4393 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4395 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
4396 * tree-chrec.c: Include tree-scalar-evolution.h.
4397 (chrec_convert): Instantiate the base and step before calling
4398 scev_probably_wraps_p that would fail on parametric evolutions.
4399 Collect all the fails into a single section failed_to_convert,
4400 print a diagnostic, and return chrec_dont_know instead of calling
4402 * tree-scalar-evolution.c (loop_closed_phi_def): New.
4403 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
4405 (scev_const_prop): Don't replace the definition of a loop closed ssa
4406 phi node by itself, or by another loop closed ssa phi node.
4407 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
4408 that base and step are defined.
4410 2005-09-09 Richard Guenther <rguenther@suse.de>
4413 * fold-const.c (fold_ternary): Check truth_value_p before
4414 calling invert_truthvalue.
4416 2005-09-09 Nick Clifton <nickc@redhat.com>
4418 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
4419 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
4420 dimension of these arrays.
4421 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
4423 * longlong.h: Only provide a prototype for the __clz_tab[] array
4424 if this header has not been included from libgcc2.h.
4425 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
4427 Provide prototypes for exported functions.
4428 Use the __clz_tab[] and __popcount_tab[] arrays provided by
4431 2005-09-08 Josh Conner <jconner@apple.com>
4435 * expr.c (expand_expr_addr_expr_1): Don't invoke
4436 expand_simple_binop for EXPAND_INITIALIZER.
4438 2005-09-08 Richard Henderson <rth@redhat.com>
4441 * toplev.c (wrapup_global_declaration_1): Split out ...
4442 (wrapup_global_declaration_2): ... from ...
4443 (wrapup_global_declarations): ... here. Return bool.
4444 (check_global_declaration_1): Split out ...
4445 (check_global_declarations): from here.
4446 (emit_debug_global_declarations): New.
4447 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
4448 check_global_declaration_1, emit_debug_global_declarations): Declare.
4449 * c-decl.c (c_write_global_declarations_1): Don't create a vector
4450 of decls. Call wrapup_global_declaration_1,
4451 wrapup_global_declaration_2, check_global_declaration_1 directly.
4452 (c_write_global_declarations_2): New.
4454 (c_write_global_declarations): Call c_write_global_declarations_2.
4455 * langhooks.c (write_global_declarations): Call
4456 emit_debug_global_declarations.
4458 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
4459 remove decls that have DECL_RTL_SET_P.
4460 * passes.c (rest_of_decl_compilation): Invoke
4461 cgraph_varpool_finalize_decl for all but functions.
4463 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
4465 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
4466 the result of a conversion if the new min and max cannot be compared.
4468 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
4470 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
4471 (override_options): Setting s390_sr_alias_set removed.
4472 (save_fpr, save_gprs): Set alias set to vararg or frame.
4473 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
4474 s390_sr_alias_set with get_frame_alias_set ().
4475 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
4476 get_varargs_alias_set ().
4478 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4482 * c-parser.c (c_parser_objc_method_definition): If the next
4483 token is not "{", error out and don't start the function.
4485 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4487 * tree-vrp.c (extract_range_from_expr): Move the check for non
4488 nullness after the check for gimple invariant.
4490 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4492 * tree.c (host_integerp, tree_low_cst): Correct function comment.
4494 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4497 * config/m32r.md (movmemsi_internal): Canonicalize order of
4498 operands in PLUS component of template.
4500 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
4502 * reload1.c (fixup_eh_region_note): Remove assertion.
4503 (fixup_abnormal_edges): Reverted removal of call to
4504 find_many_sub_basic_blocks made on 2005-08-31.
4506 2005-09-07 Richard Henderson <rth@redhat.com>
4508 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
4509 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
4510 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
4511 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
4512 rearrange for better packing.
4513 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
4514 (lookup_cfa_1): Remove inline marker.
4515 (cfa_equal_p): Split out of ...
4516 (def_cfa_1): ... here. Use INVALID_REGNUM.
4517 (build_cfa_loc): Handle !cfa->indirect.
4518 (frame_pointer_cfa_offset): New.
4519 (dbx_reg_number): Assert register elimination performed; do
4520 leaf register remapping.
4521 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
4522 (eliminate_reg_to_offset): New.
4523 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
4524 for verifiably local stack frame addresses; re-base to CFA.
4525 (mem_loc_descriptor): Remove can_use_fbreg argument.
4526 (concat_loc_descriptor, loc_descriptor): Likewise.
4527 (containing_function_has_frame_base): Remove.
4528 (rtl_for_decl_location): Don't do register elimination or
4529 leaf register remapping here.
4530 (secname_for_decl): Split out from ..
4531 (add_location_or_const_value_attribute): ... here.
4532 (convert_cfa_to_loc_list): New.
4533 (compute_frame_pointer_to_cfa_displacement): New.
4534 (gen_subprogram_die): Use them.
4535 * tree.h (frame_base_decl): Remove.
4536 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
4537 (prologue_stack_adjust): Remove.
4538 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
4539 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
4540 (set_frame_base_location): Remove.
4541 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
4542 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
4543 (vt_add_function_parameters): Don't eliminate_regs.
4544 (vt_initialize): Don't create frame_base_decl.
4546 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4548 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
4549 version of GNU binutils for 4.x and later.
4551 2005-09-06 Mark Mitchell <mark@codesourcery.com>
4553 * ggc-page.c (ggc_push_context): Remove.
4554 (ggc_pop_context): Likewise.
4555 * ggc.h (ggc_push_context): Remove.
4556 (ggc_pop_context): Likewise.
4558 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4561 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
4562 returning from an interrupt handler.
4564 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4567 * config/arc/arc.c (output_shift): Add check for loop count when
4570 2005-09-06 Steven Bosscher <stevenb@suse.de>
4572 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
4574 (abs_replacement): Likewise.
4575 (pass_phiopt): Remove TODO_update_ssa.
4577 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4580 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
4581 if "return with no value, in function returning non-void" warning
4583 * tree-cfg.c (execute_warn_function_return): Don't look at
4584 RETURN_EXPRs with TREE_NO_WARNING set.
4587 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
4588 for internal functions doesn't use registers used by global registers
4589 variables. Use fewer register parameters if there are global register
4592 2005-09-06 Olivier Hainque <hainque@adacore.com>
4593 Eric Botcazou <ebotcazou@adacore.com>
4596 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
4597 when we would be extracting outside its bit span (bitpos+bitsize
4598 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
4599 Ada unchecked conversions.
4601 2005-09-06 Steven Bosscher <stevenb@suse.de>
4603 * tree-ssa-pre.c (try_look_through_load): New function.
4604 (compute_avail): Use it to try to look through loads for some
4605 more useful expressions.
4607 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4609 * simplify-rtx.c (simplify_binary_operation_1): Correct the
4610 condition for detecting cases like (a&a) and (a^a).
4612 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
4614 * common.opt: Add option ftree-vect-loop-version.
4615 * params.def: Add --param vect-max-version-checks.
4616 * doc/invoke.texi: Document ftree-vect-loop-version and
4617 --param vect-max-version-checks.
4618 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
4619 may_misalign_stmts and defines for accessors.
4620 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
4621 LOOP_VINFO_MAY_MISALIGN_STMTS.
4622 (destroy_loop_vec_info): VEC_free for
4623 LOOP_VINFO_MAY_MISALIGN_STMTS.
4624 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4625 Update documentation.
4626 (vect_update_misalignment_for_peel): New.
4627 (vect_enhance_data_refs_alignment): Update to choose loop
4628 peeling or loop versioning if appropriate for the (potentially)
4629 unaligned data references in the loop.
4630 (vect_analyze_data_refs_alignment): Remove call to
4631 vect_enhance_data_refs_alignment so the checks can be done
4633 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
4634 and move up call to vect_analyze_data_refs_alignment.
4635 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
4636 (vect_transform_loop): Add call to loop_version.
4638 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4640 PR rtl-optimization/23098
4641 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
4642 * simplify-rtx.c (constant_pool_reference_p): New function.
4643 * rtl.h (constant_pool_reference_p): New prototype.
4644 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
4645 constant_pool_reference_p in condition and
4646 avoid_constant_pool_reference in preparation statements.
4648 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
4650 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
4651 STRICT_LOW_PART SETs.
4653 2005-09-06 Alan Modra <amodra@bigpond.net.au>
4656 * except.c (sjlj_emit_function_enter): Find the function begin
4657 note even when it's not in first basic block.
4659 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
4661 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
4662 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
4663 * aclocal.m4: Regenerate.
4665 2005-09-05 DJ Delorie <dj@redhat.com>
4667 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
4670 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
4672 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
4673 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
4674 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
4675 Follow spelling conventions.
4676 * doc/invoke.texi: Follow spelling conventions.
4678 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4680 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
4681 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
4682 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
4684 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4687 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
4688 (output_stack_adjust): Use gen_tmp_stack_mem.
4689 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
4690 (sh_set_return_address, sh_allocate_initial_value): Likewise.
4691 (sh_get_pr_initial_val): Likewise.
4692 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
4693 (sh_initialize_trampoline): Likewise. Also use adjust_address.
4694 * sh.md (divsi_inv_m0): Use gen_const_mem.
4695 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
4696 (movdf_i4+1): Use gen_tmp_stack_mem.
4697 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
4698 (fpu_switch+2): Likewise.
4699 (movv4sf_i, movv16sf_i): Use adjust_address.
4700 (symGOT_load): Set MEM_NOTRAP_P bit.
4702 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4705 * pa.c (emit_move_sequence): Fix typo in last change.
4707 2005-09-03 Jakub Jelinek <jakub@redhat.com>
4709 PR rtl-optimization/23454
4710 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
4713 2005-09-03 Richard Henderson <rth@redhat.com>
4714 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4717 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
4720 2005-09-02 Nicolas Pitre <nico@cam.org>
4722 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
4723 to bit_count to 32 bits.
4725 2005-08-31 Mark Mitchell <mark@codesourcery.com>
4728 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
4729 generating synthetic loads from volatile lvalues.
4731 005-09-02 Nick Clifton <nickc@redhat.com>
4733 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
4734 __ctzhi2, __clzhi2): New functions.
4736 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
4739 * tree-nested.c (struct var_map_elt): Mark with GTY.
4740 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
4742 (lookup_field_for_decl): Allocate new element in GC memory.
4743 (lookup_tramp_for_decl): Likewise.
4744 (convert_nl_goto_reference): Likewise
4745 (create_nesting_tree): Allocate info in GC memory. Likewise for
4747 (free_nesting_tree): Free with ggc_free instead of free.
4748 (root): New static variable.
4749 (lower_nested_functions): Remove root as local variable. And zero out
4750 root at the end of the function.
4752 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
4754 PR rtl-optimization/20365
4755 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
4756 to short. New member ix.
4757 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
4758 (simplify_plus_minus): Initialize ix members before calling qsort.
4760 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
4762 PR tree-optimization/23626
4763 * tree-cfg.c (replace_uses_by): Clean up eh info.
4765 2005-09-01 DJ Delorie <dj@redhat.com>
4767 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
4770 2005-09-01 David Edelsohn <edelsohn@gnu.org>
4772 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
4773 (rs6000_split_multireg_move): Use replace_equiv_address instead of
4776 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
4778 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
4779 do not issue warning for a variable definition following
4782 2005-09-01 Richard Henderson <rth@redhat.com>
4785 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
4786 conversion to CONST_VECTOR.
4788 2005-09-01 Richard Henderson <rth@redhat.com>
4791 * reload1.c (reload_as_needed): Check !CALL_P before calling
4792 fixup_eh_region_note.
4793 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
4795 2005-09-01 DJ Delorie <dj@redhat.com>
4797 * varasm.c (output_constant): Let the target resolve
4798 conversions of addresses to non-default pointer sizes.
4800 2005-09-01 Nicolas Pitre <nico@cam.org>
4802 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
4803 to alow matching ARM pre-indexed addressing mode.
4804 (arm_override_options): Remove now irrelevant comment.
4806 2005-09-01 Phil Edwards <phil@codesourcery.com>
4808 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
4809 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
4810 * config/i386/vxworks.h: Likewise.
4811 * config/i386/t-vxworksae: New file, for VxWorks AE.
4812 * config/i386/vxworksae.h: Likewise.
4814 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
4816 PR tree-optimization/23410
4817 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
4818 sequence is not wrapping during the first step.
4820 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4823 * dwarf2out.c (base_type_die): Compare char_type_node with
4824 TYPE_MAIN_VARIANT (type), not type.
4826 2005-09-01 Richard Guenther <rguenther@suse.de>
4828 PR tree-optimization/15366
4829 * common.opt: Add -finline-functions-called-once.
4830 Put -fearly-inlining in alphabetically ordered place.
4831 * doc/invoke.texi: Document new option.
4832 * ipa-inline.c (cgraph_decide_inlining): Honour
4833 flag_inline_functions_called_once.
4835 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4837 PR rtl-optimization/23478
4838 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
4839 (alloc_qty): Initialize it.
4840 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
4841 (combine_regs): Combine also n_throwing_calls_crossed fields.
4842 (find_free_reg): Don't attempt to caller-save pseudos crossing
4843 calls that might throw.
4844 * global.c (struct allocno): Add throwing_calls_crossed field.
4845 (global_alloc): Revert 2005-08-22 change. Initialize
4846 throwing_calls_crossed.
4847 (find_reg): Don't attempt to caller-save pseudos crossing calls that
4850 2005-09-01 Alan Modra <amodra@bigpond.net.au>
4853 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
4854 (mask64_operand): Reinstate code prior to 2005-06-11 change.
4855 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
4856 (and64_2_operand): Tweak to use predicate.
4857 (and_operand): Adjust for mask_operand changes.
4858 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
4859 (print_operand): Likewise.
4860 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
4861 (mask64_1or2_operand): Delete.
4862 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
4863 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
4864 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
4865 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
4866 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
4867 (rotldi3_internal4): Likewise.
4868 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
4869 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
4870 (ashldi3_internal7): Likewise.
4871 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
4872 (ashldi3_internal, ashldi3_internal9 split): Likewise.
4873 (anddi3 split): Don't match mask64_operand.
4874 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
4875 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
4876 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
4877 't' splitter predicate.
4878 (movdi_internal64 + 2): Revert 2005-06-11 change.
4880 2005-08-31 DJ Delorie <dj@redhat.com>
4882 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
4883 (m32c_asm_integer): Add support for 32 bit pointers.
4885 2005-08-31 Richard Henderson <rth@redhat.com>
4887 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
4888 component-like references for setting MEM_NOTRAP_P.
4890 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
4891 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
4893 2005-08-31 Richard Henderson <rth@redhat.com>
4895 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
4896 into a pseudo before applying gen_lowpart.
4898 2005-08-31 Geoffrey Keating <geoffk@apple.com>
4900 * doc/install.texi (Specific): Update cctools version required
4901 for full functionality.
4902 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
4903 linkers as -macosx_version_min.
4905 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
4908 * sh.c (print_operand, %R and %S): Add handling of floating point
4909 registers, memory, constants and invalid operands.
4911 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
4913 * ipa-pure-const.c: Change dump name.
4915 2005-08-31 Uros Bizjak <uros@kss-loka.si>
4918 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
4919 to "reg_or_0_operand".
4920 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
4922 2005-08-31 Dale Johannesen <dalej@apple.com>
4924 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
4925 loops that count down.
4927 2005-08-31 Richard Henderson <rth@redhat.com>
4930 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
4931 (fixup_eh_region_note): New.
4932 (reload_as_needed): Call it.
4933 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
4934 don't call find_many_sub_basic_blocks; call verify_flow_info.
4935 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
4936 (keep_stack_depressed): Likewise.
4937 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
4939 2005-08-31 Richard Henderson <rth@redhat.com>
4941 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
4944 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
4946 * expr.c (expand_expr_real_1): Compare size of address
4947 mode to target's address mode size in deciding expansion of
4948 the constant address.
4950 2005-08-31 Richard Guenther <rguenther@suse.de>
4953 * expr.c (all_zeros_p): New function.
4954 (expand_expr_real_1): Handle the case of an all-zero
4955 non-addressable constructor separately.
4957 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
4959 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
4960 arguments, adjust all callers.
4961 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
4963 2005-08-30 Richard Henderson <rth@redhat.com>
4966 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
4967 whenever the mode sizes match.
4969 2005-08-31 Alan Modra <amodra@bigpond.net.au>
4971 * calls.c (load_register_parameters): Fix comment typo.
4972 * expr.c (emit_push_insn): Comment formatting.
4974 2005-08-30 Ian Lance Taylor <ian@airs.com>
4976 * config/i386/x-cygwin (host-cygwin): Change dependency from
4977 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
4979 2005-08-29 Geoffrey Keating <geoffk@apple.com>
4981 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
4984 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
4987 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
4988 call to ggc_collect.
4990 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
4993 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
4994 beginning. Remove $(INCLUDES) from all the rules, if following
4995 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
4997 2005-08-29 Jakub Jelinek <jakub@redhat.com>
5000 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
5001 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
5002 not constant, but maxlen is, don't set len to maxlen, rather
5003 set maxlen to len if len is a constant.
5005 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
5007 PR tree-optimization/23475
5008 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
5011 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
5013 Fix PR middle-end/22455
5015 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
5016 Checksum only the parts of the tree that exist for the tree code.
5018 2005-08-28 Dale Johannesen <dalej@apple.com>
5020 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
5022 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
5024 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
5026 2005-08-28 Richard Henderson <rth@redhat.com>
5028 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
5029 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
5032 2005-08-28 Jakub Jelinek <jakub@redhat.com>
5035 * builtins.c (get_memory_rtx): Don't strip nops
5036 in between COMPONENT_REFs.
5038 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
5041 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
5043 (gimplify_modify_expr): Check for zero sized types and gimplify the
5044 rhs and lhs as statements.
5046 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
5049 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
5050 state for return address column of signal frames.
5052 2005-08-27 David Edelsohn <edelsohn@gnu.org>
5055 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
5056 bytes >= 2 not bytes == 2.
5057 (expand_block_move): Same.
5059 2005-08-27 Richard Guenther <rguenther@suse.de>
5062 * config/i386/sse.md (sse2_movsd): Add missing closing
5065 2005-08-27 Paul Brook <paul@codesourcery.com>
5067 * genrecog.c (enum decision_type): Add DT_num_insns.
5068 (struct decision_test): Add u.num_insns.
5069 (add_to_sequence): Add DT_num_insns test.
5070 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
5071 (write_cond, debug_decision_2): Ditto.
5072 (change_state): Assume peep2_next_insn never fails.
5073 Remove "afterward" argument.
5074 (write afterward, write_tree): Update to match.
5075 * recog.c (peep2_current_count): New variable.
5076 (peep2_next_insn): Check it.
5077 (peephole2_optimize): Set peep2_current_count.
5078 * recog.h (peep2_current_count): Declare.
5080 2005-08-26 Josh Conner <jconner@apple.com>
5083 * ipa-pure-const.c (check_tree): Check for volatile-ness
5084 when considering a dereference.
5086 2005-08-27 Jakub Jelinek <jakub@redhat.com>
5088 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
5090 2005-08-26 Jakub Jelinek <jakub@redhat.com>
5092 PR rtl-optimization/23561
5093 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
5094 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
5095 at most LEN bytes long memory fits into the field.
5096 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
5097 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
5098 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
5100 2005-08-26 Richard Henderson <rth@redhat.com>
5103 * loop.c (biased_biv_may_wrap_p): New.
5104 (maybe_eliminate_biv_1): Use it to suppress non-equality
5105 comparison transformations. Delete disabled code.
5107 2005-08-26 Ian Lance Taylor <ian@airs.com>
5109 * combine.c (make_extraction): Avoid reference outside object.
5111 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
5113 * stor-layout.c (finalize_type_size): Restore behaviour for
5114 non-aggregate types to the status quo ante of the patch for
5115 pr 23467. Document why it matters.
5117 2005-08-26 Jakub Jelinek <jakub@redhat.com>
5120 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
5121 array by one element, initialize the BT_LAST element with NULL.
5123 2005-08-26 David Edelsohn <edelsohn@gnu.org>
5125 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
5126 optimizing for size.
5128 (compare_plus_eqsi): Same.
5129 (plus_eqsi_compare): Same.
5130 (neg_eq0<mode>): Same.
5131 (neg_eq<mode>): Same.
5133 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
5136 2005-08-26 Nick Clifton <nickc@redhat.com>
5138 * config/v850/v850.c (ep_memory_operand): Return FALSE if
5139 TARGET_EP is not defined.
5140 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
5141 TARGET_EP is enabled.
5142 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
5143 * config/v850/v850.md (save_all_interrupt): Only use the EP
5144 register if TARGET_EP is defined.
5145 (restore_all_interrupt): Likewise.
5146 * config/v850/lib1funcs.asm: Update functions so that the EP
5147 register is only used if __EP__ is defined.
5149 2005-08-26 David Ung <davidu@mips.com>
5151 * config/mips/mips.c (mips_expand_prologue): Handle case when
5152 generating for MIPS16 and the outgoing argument area is more than
5153 SMALL_OPERAND. Use the frame pointer as temporary to generate the
5156 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
5158 * config/crx/crx.md: Make doloop_end pattern usage controllable
5159 via mloop-nesting=<max-nesting> command line switch. Make sure
5160 the combiner cannot use doloop_end_<mode> in an illegal way.
5161 * config/crx/crx.c: Use regs up to r6 for argument passing.
5162 Refine crx_address_cost (non cst4 displacements are expensive).
5163 * config/crx/crx.opt: Add switch for mloop-nesting=.
5165 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
5167 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
5168 (UNSPEC_MVST): New constant.
5170 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
5172 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
5173 Reject operands containing eliminable registers.
5174 * testsuite/gcc.dg/20050825-1.c: New testcase.
5176 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5177 Jan Hubicka <jh@suse.cz>
5179 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
5181 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5183 PR tree-optimization/23546
5184 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
5187 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
5189 * params.def (PARAM_MIN_SPEC_PROB): New.
5190 * sched-rgn.c (MIN_PROBABILITY): Delete.
5191 (compute_trg_info): Convert to PARAM_VALUE.
5192 * doc/invoke.texi (param): Document min-spec-prob.
5194 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
5196 * config/darwin.h: define __PIC__
5197 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
5198 TARGET_OS_CPP_BUILTINS macro.
5200 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5202 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
5205 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
5207 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
5209 * cfghooks.c (duplicate_block): Added position where to place
5210 new block as argument.
5211 * cfghooks.h (duplicate_block): Declaration changed.
5212 * cfglayout.c (copy_bbs): Add argument after. Pass it to
5214 * cfglayout.h (copy_bbs): Declaration changed.
5215 * cfgloop.h (loop_version): Declaration changed.
5216 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
5217 position to copy_bbs.
5218 (loop_version): Pass position to duplicate_loop_to_header_edge.
5219 Add place_after argument and position new blocks according to
5221 * modulo-sched.c (sms_schedule): Pass place_after argument
5223 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
5224 * tree-cfg.c (split_edge_bb_loc): New function.
5225 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
5226 to determine position of new blocks.
5227 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
5229 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
5230 argument to duplicate_block.
5231 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
5232 Pass position to copy_bbs.
5234 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
5236 * fold-const.c (ptr_difference_const): Use
5237 cst_and_fits_in_hwi instead of host_integerp.
5239 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5241 * config/darwin.c (gen_pic_offset): New.
5242 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
5245 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
5247 PR tree-optimization/23486
5248 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
5250 2005-08-23 Phil Edwards <phil@codesourcery.com>
5252 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
5253 remove use_collect2.
5254 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
5256 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
5257 configuration files to override the default value.
5259 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
5260 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
5261 * config/vx-common.h: New file, split out from...
5262 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
5263 * config/vxworksae.h: New file, for VxWorks AE.
5264 * config/vxworks.opt: New file.
5265 * config/vxlib.c: Update for VxWorks 6.
5267 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
5268 other MULTILIB_* variables appropriately.
5269 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
5270 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
5271 * config/rs6000/vxworks.h: Update for VxWorks 6.
5272 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
5274 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
5277 * config/darwin.c (machopic_select_section): Remove the hack to
5278 mark "::operator new" and "::operator delete" for coalescing
5279 even though they are not weak.
5281 2005-08-24 Alan Modra <amodra@bigpond.net.au>
5283 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
5284 * configure: Regenerate.
5286 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
5289 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
5291 * convert.c (convert_to_integer, convert_to_vector): Likewise.
5292 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
5295 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
5297 * config/rs6000/predicates.md (equality_operator): New.
5298 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
5299 comparison with a large constant.
5301 2005-08-23 Mark Mitchell <mark@codesourcery.com>
5303 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
5305 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
5307 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
5308 registers is even, and we have a hardware double precision fp,
5310 (sh_gimplify_va_arg_expr): For floating point arguments, consider
5311 size of current argument when checking if argument was passed in
5314 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
5317 * stor-layout.c (finalize_type_size): Dont override
5318 existing alignment with a smaller alignment from the mode.
5320 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
5322 * lambda-code.c (lambda_vector_lexico_pos): Moved...
5323 * lambda.h (lambda_vector_lexico_pos): ... here.
5324 * tree-data-ref.c (build_classic_dist_vector): Return false when
5325 the distance vector is lexicographically negative.
5327 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
5329 PR tree-optimization/23511
5330 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
5331 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
5333 2005-08-23 Jakub Jelinek <jakub@redhat.com>
5335 PR tree-optimization/22043
5336 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
5337 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
5338 If ALLOW_FLEXARR, handle types ending with flexible array member.
5339 Pass false as second argument to recursive count_type_elements calls.
5340 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
5341 argument to count_type_elements call.
5342 * tree-sra.c (decide_block_copy): Likewise.
5343 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
5344 for a constant-sized object, set cleared as well. Pass true as
5345 second argument to count_type_elements call.
5347 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5350 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
5351 from legitimate_small_data_p, and make global. Update use.
5352 Remove forward declaration.
5353 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
5355 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
5357 2005-08-23 David Edelsohn <edelsohn@gnu.org>
5359 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
5360 of scratch intermediates.
5361 (eq<mode>_compare): Same.
5362 (neg_eq0<mode>): New.
5363 (neg_eq<mode>): Convert to define_insn_and_split.
5365 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5368 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
5369 stdarg functions, set/clear the fp marker even when no variable
5371 * config/rs6000/sysv4.opt (mprototype): Describe.
5373 2005-08-22 Jakub Jelinek <jakub@redhat.com>
5375 PR rtl-optimization/23478
5376 * regs.h (reg_info): Add throw_calls_crossed.
5377 (REG_N_THROWING_CALLS_CROSSED): Define.
5378 * flow.c (allocate_reg_life_data): Initialize
5379 REG_N_THROWING_CALLS_CROSSED.
5380 (propagate_one_insn, attempt_auto_inc): Update
5381 REG_N_THROWING_CALLS_CROSSED.
5382 * global.c (global_alloc): Don't allocate pseudos across
5383 calls that may throw.
5385 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
5388 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
5389 value is inbetween the range if we did not find an exact match.
5391 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
5393 * doc/invoke.texi (Option Summary): Add ms1 options.
5394 * doc/extend.texi: Document interrupt handler attribute for ms1.
5395 * doc/md.texi: Document ms1 constraints.
5396 * config.gcc: Add ms1-*-elf.
5397 * config/ms1/ms1.h: New.
5398 * config/ms1/ms1.c: New.
5399 * config/ms1/ms1.md: New.
5400 * config/ms1/ms1-protos.h: New.
5401 * config/ms1/ABI.txt: New.
5402 * config/ms1/crti.asm: New.
5403 * config/ms1/crtn.asm: New.
5404 * config/ms1/lib2extra-funcs.c: New.
5405 * config/ms1/t-ms1: New.
5406 * config/ms1/ms1.opt: New.
5408 2005-08-22 Ira Rosen <irar@il.ibm.com>
5410 * config/rs6000/altivec.md (xorv4sf3): New.
5411 (negv4sf2, neg<mode>2): Likewise.
5413 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
5416 * config/ia64/ia64.md (divsi3): Check divide by zero.
5417 (udivsi3): Likewise.
5419 (udivdi3): Likewise.
5421 2005-08-21 Jakub Jelinek <jakub@redhat.com>
5423 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
5424 up to elem_bitsize bits, not max_bitsize.
5426 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5428 PR tree-optimization/23433
5429 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
5430 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
5432 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5434 PR tree-optimization/23434
5435 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
5436 the iteration bound is not an INTEGER_CST.
5438 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
5440 * tree-vect-transform.c (get_initial_def_for_reduction): Set
5441 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
5442 NULL if need_epilog_adjust is false.
5443 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
5444 Case 3 always peels first itration, not just for PLUS case, and no need
5445 to use scalar_initial_def here. Create an epilog adjustment only if
5446 scalar_initial_def is not NULL.
5448 (vectorizable_reduction): Remove assert.
5450 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
5453 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
5454 (__moddi3): Likewise.
5455 (__udivdi3): Likewise.
5456 (__umoddi3): Likewise.
5457 (__divsi3): Likewise.
5458 (__modsi3): Likewise.
5459 (__udivsi3): Likewise.
5460 (__umodsi3): Likewise.
5462 2005-08-20 Jakub Jelinek <jakub@redhat.com>
5464 * tree-pass.h (TDF_GRAPH): Define.
5465 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
5466 * passes.c (finish_optimization_passes): Only call
5467 finish_graph_dump_file if TDF_GRAPH is set.
5468 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
5469 NULL. Set TDF_GRAPH bit.
5470 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
5472 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
5474 * arm.h (arm_stack_offsets): Add locals_base field.
5475 * arm.c (arm_get_frame_offsets): Compute it.
5476 (thumb_compute_initial_elimination offset): Make the Thumb frame
5477 pointer point to the base of the local variables.
5478 (thumb_expand_prologue): Update accordingly.
5479 (thumb_expand_epilogue): Likewise.
5481 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
5482 mode of clobbered scratch to DImode. Handle a case that's known to
5485 2005-08-19 David Edelsohn <edelsohn@gnu.org>
5487 * config/rs6000/rs6000.md (gt0<mode>): Delete.
5488 (gt0<mode>_compare): Delete.
5489 (neg_gt0<mode>): Delete.
5491 2005-08-19 Eric Christopher <echristo@apple.com>
5493 * optabs.h: Change CTI_ to COI_.
5496 2005-08-19 James E Wilson <wilson@specifix.com>
5498 * builtins.c (expand_builtin_return_addr): Set
5499 current_function_accesses_prior_frames when count != 0. Use
5500 frame_pointer_rtx when count == 0.
5501 * function.h (struct function): Add accesses_prior_frames field.
5502 (current_function_accesses_prior_frames): Define.
5503 * reload1.c (init_elim_table): Check
5504 current_function_accesses_prior_frames.
5505 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
5507 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5509 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
5510 indicator. Return true if the flowgraph changed during
5513 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5516 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
5517 conditional expression before testing its value.
5519 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5521 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
5523 2005-08-19 Devang Patel <dpatel@apple.com>
5525 PR tree-optimization/23048
5526 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
5527 third parameter. Check whether latch is dominated by exit
5529 (if_convertible_loop_p): Supply exit block itself to
5530 if_convertible_bb_p.
5532 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5535 * arm.md (arm_load_pic_register): Change argument to the mask of
5536 saved registers. Call thumb_find_work_register if we need a
5537 scratch register on Thumb.
5538 (arm_expand_prologue): Pass empty register set to
5539 arm_load_pic_register.
5540 (thumb_expand_prologue): Pass live_regs_mask directly to
5541 arm_load_pic_register.
5542 * arm-protos.h (arm_load_pic_register): Update prototype.
5544 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
5546 * sh.c (find_sole_member): New function.
5547 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
5548 if the record's alignment is larger than the size of its only member.
5550 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5553 * arm.c (thumb_legitimize_reload_address): New function.
5554 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
5555 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
5557 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
5559 * config/crx/crx.c: Implement crx_decompose_address. Reject
5560 symbolic displacements since CRX register relative adressing
5561 mode can't handle unsigned 32-bit values as displacements.
5562 * config/crx/crx.h: Simplify definitions, remove redundant
5563 parenthesis and obsolete macros.
5564 * config/crx/crx.opt: Add new switch for debugging addresses.
5565 * config/crx/crx-protos.h: Add new declarations for above.
5567 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
5570 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
5573 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5575 * collect2.c (dup2): Delete.
5576 * configure.ac: Don't check for dup2.
5578 * config.in, configure: Regenerate.
5580 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
5582 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
5583 record with the type of its only member.
5585 2005-08-18 David Edelsohn <edelsohn@gnu.org>
5587 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
5588 define_insn_and_split.
5589 (plus_ltu<mode>_compare): Same.
5590 (gtu<mode>_compare): Same.
5591 (plus_gtu<mode>_compare): Same.
5593 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
5595 PR tree-optimization/22228
5596 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
5598 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
5599 are recorded in vect_vnames_to_rename for renaming.
5600 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
5601 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
5602 in vect_vnames_to_rename.
5603 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
5604 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
5606 2005-08-18 Jan Hubicka <jh@suse.cz>
5609 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
5610 info only for local statics, not for member variables.
5612 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5614 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
5616 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5618 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
5620 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
5623 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
5625 2005-08-17 James E Wilson <wilson@specifix.com>
5627 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5630 2005-08-17 David Edelsohn <edelsohn@gnu.org>
5632 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
5633 (leu<mode>_compare): Same.
5634 (plus_leu<mode>): Same.
5635 (neg_leu<mode>): Same.
5636 (and_neg_leu<mode): Same.
5637 (ltu<mode>_compare): Same.
5638 (plus_ltu<mode>): Same.
5640 (geu<mode>_compare): Same.
5641 (plus_geu<mode>): Same.
5642 (neg_geu<mode>): Same.
5643 (and_neg_geu<mode>): Same.
5644 (plus_gt<mode>): Same.
5645 (gtu<mode>_compare): Same.
5646 (plus_gtu<mode>): Same.
5648 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
5650 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
5651 Move call_table_data to end. Delete spurious .text.
5652 (callt_save_all_interrupt): Fix comment typo.
5654 2005-08-17 James E Wilson <wilson@specifix.com>
5655 Kevin Winchester <winchester@amirix.com>
5658 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
5660 2005-08-17 Uros Bizjak <uros@kss-loka.si>
5663 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
5664 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
5666 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
5668 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
5669 record with the type of its only member if the modes don't match.
5671 * varasm.c (decode_reg_name): Skip empty additional register names.
5673 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5675 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
5676 lsm_tmp_name_length): New.
5677 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
5678 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
5680 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5681 Andreas Krebbel <krebbel1@de.ibm.com>
5683 * config.gcc: Added z9-109 switch.
5684 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
5685 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
5686 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
5687 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5688 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
5689 for "z9_109" cpu attribute.
5690 * config/s390/s390.c (z9_109_cost): New processor cost structure.
5691 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
5692 (s390_handle_arch_option): Added z9-109 switch.
5693 (override_options): Set respective cost function for z9-109.
5694 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
5695 (legitimate_reload_constant_p): Accept extended immediates.
5696 (print_operand): Three new output modifiers added: k, m and o.
5697 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
5698 (s390_output_mi_thunk): Use extended immediate when possible.
5699 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
5700 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
5701 (CONSTRAINT_LEN): Added length of O constraint.
5702 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
5703 * config/s390/s390.md ("cpu"): New value z9_109 added.
5704 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
5705 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
5706 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
5707 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
5708 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
5709 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
5710 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
5711 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
5712 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
5713 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5714 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
5715 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
5716 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
5717 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
5718 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
5720 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
5721 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
5722 insns for TARGET_EXTIMM.
5724 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
5726 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
5728 2005-08-17 Nick Clifton <nickc@redhat.com>
5730 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
5731 Call default_encode_section_info.
5733 2005-08-17 Steven Bosscher <stevenb@suse.de>
5735 PR tree-optimization/21574
5736 * tree-ssa-ccp.c (likely_value): If the right hand side is a
5737 constant, return CONSTANT.
5738 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
5739 (ccp_fold, visit_assignment): Likewise.
5740 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
5742 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5744 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
5745 fold_buildN instead of buildN then fold_initializer or fold.
5746 (build_unary_op): Likewise.
5747 (build_binary_op): Likewise.
5748 * fold-const.c (fold_initializer): Remove.
5749 (fold_build1_initializer): New function.
5750 (fold_build2_initializer): New function.
5751 (fold_build3_initializer): New function.
5752 * tree.h (fold_initializer): Remove.
5753 (fold_build1_initializer): New function.
5754 (fold_build2_initializer): New function.
5755 (fold_build3_initializer): New function.
5757 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5759 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
5760 (try_move_mult_to_index): Call fold_build2 instead of build2.
5761 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
5762 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
5763 fold_binary_to_constant.
5764 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
5766 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
5767 check if A == gcd (A, B). Remove TYPE argument.
5768 (analyze_offset) Use fold_build2 instead of fold (build.
5769 (create_data_ref): Likewise.
5770 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
5771 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
5774 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
5776 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
5777 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
5779 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
5782 * gimplify.c (zero_sized_type): New function.
5783 (gimplify_modify_expr_rhs): If we have a zero sized type,
5784 replace the statement with an empty statement.
5786 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
5788 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
5791 2005-08-16 Ian Lance Taylor <ian@airs.com>
5793 * doc/tm.texi (Label Output): Correct typo.
5795 2005-08-16 Steven Bosscher <stevenb@suse.de>
5798 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
5799 force_operand will work later on using have_insn_for.
5801 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5803 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
5805 2005-08-16 Ian Lance Taylor <ian@airs.com>
5808 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
5809 vector type, don't try to construct it element by element. Add an
5810 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
5812 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5814 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
5816 2005-08-16 Geoffrey Keating <geoffk@apple.com>
5818 * doc/invoke.texi (Precompiled Headers): Document some more options
5819 which are known to be safe.
5821 2005-08-16 James E Wilson <wilson@specifix.com>
5823 PR tree-optimization/21105
5824 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5825 TREE_OVERFLOW check.
5827 2005-08-16 David Edelsohn <edelsohn@gnu.org>
5829 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
5830 (neg_ltu<mode>): Same.
5832 (neg_gtu<mode>): Same.
5834 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5836 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
5837 (fold_builtin_isdigit): Use fold_buildN.
5838 (build_function_call_expr): Likewise.
5839 * c-typeck.c (c_finish_loop): Likewise.
5841 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
5842 Richard Shann <rshann@superh.com>
5844 PR middle-end/20396:
5845 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
5847 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
5849 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
5851 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
5854 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
5855 arm_compure_save_reg0_reg12_mask to determine when the PIC register
5858 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5861 * fold-const.c (build_range_check): Disable optimization for function
5862 pointer expressions on targets that require function pointer
5865 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
5867 * simplify-rtx.c (simplify_const_relational_operation): When
5868 extracting arguments of a COMPARE, recompute the mode as well.
5870 2005-08-15 Ian Lance Taylor <ian@airs.com>
5872 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
5874 2005-08-15 DJ Delorie <dj@redhat.com>
5876 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
5878 (movsi_splittable): Allow, but split, moves to the stack.
5879 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
5882 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5884 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
5885 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
5886 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
5888 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
5889 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
5890 Delete HOST_PTR_PRINTF.
5892 * configure, config.in: Regenerate.
5894 2005-08-15 David Edelsohn <edelsohn@gnu.org>
5896 * config/rs6000/rs6000.md (QHSI): New mode macro.
5897 (wd): Extend mode attr for QImode and HImode
5898 (dbits): New mode attr.
5899 (zero_extend<mode>di2): Convert to mode macro.
5901 2005-08-15 Steve Ellcey <sje@cup.hp.com>
5904 * doc/invoke.texi (-mgnu-ld): Update description.
5907 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5910 * Makefile.in (tree-chrec.o): Depends on real.h.
5911 * tree-chrec.c: Include real.h.
5912 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
5913 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
5914 * tree-scalar-evolution.c (add_to_evolution_1,
5915 interpret_rhs_modify_expr): Ditto.
5917 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5920 * tree-data-ref.c (estimate_niter_from_size_of_data): When
5921 step is negative compute the estimation from init downwards to zero.
5923 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
5925 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
5927 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5929 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
5931 (legitimate_reload_constant_p): Fix handling of lliXX operands.
5932 Accept double-word constants that can be split.
5933 * config/s390/s390.md ("movti"): Use 'P' constraint.
5934 ("*movdi_31", "*movdf_31"): Likewise.
5936 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
5938 Fix PR tree-optimization/22615
5940 * tree-ssa-structalias.c (solution_set_add): Handle
5941 first_vi_for_offset returning NULL.
5942 (do_da_constraint): Ditto.
5943 (do_sd_constraint): Ditto.
5944 (do_ds_constraint): Ditto
5945 (find_func_aliases): Ditto.
5946 (build_constraint_graph): RHS is allowed be ANYTHING.
5947 (first_vi_for_offset): Return NULL if we couldn't find anything at
5950 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5952 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
5953 over memory as first operand.
5955 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
5958 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
5959 available for setting it.
5961 2005-08-14 Ira Rosen <irar@il.ibm.com>
5963 PR tree-optimization/23320
5964 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
5965 data-refs' types instead of base object nullness. Add check for
5966 pointer type data-refs before first location comparison. Remove
5969 2005-08-14 Andreas Schwab <schwab@suse.de>
5971 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
5973 2005-08-13 James E Wilson <wilson@specifix.com>
5975 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
5976 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
5977 -fstack-protector-all, --param ssp-buffer-size): Document.
5978 (-Wvariadic-macros): Alphabetize.
5979 (-fsched-stalled-insns-dep): Add missing 'f'.
5981 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
5984 2005-08-13 David Edelsohn <edelsohn@gnu.org>
5986 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
5987 or indirect address operand.
5988 (EXTRA_ADDRESS_CONSTRAINT): New.
5989 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
5991 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
5993 PR tree-optimization/22236
5994 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
5995 successors and predecessors.
5996 * tree-chrec.c (chrec_convert): Before converting, check that
5997 sequences don't wrap.
5998 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
5999 (analyze_array): Extern.
6000 (find_data_references_in_loop): Remove call to
6001 compute_estimated_nb_iterations.
6002 * tree-data-ref.h (analyze_array): Declared.
6003 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
6004 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
6005 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
6006 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
6008 * tree-ssa-loop-ivcanon.c: Fix documentation.
6009 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
6010 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
6011 (infer_loop_bounds_from_undefined): New.
6012 (estimate_numbers_of_iterations_loop): Use
6013 infer_loop_bounds_from_undefined.
6014 (used_in_pointer_arithmetic_p): New.
6015 (scev_probably_wraps_p): Pass an extra parameter. Call
6016 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
6017 (convert_step): Fix documentation.
6018 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
6019 Use initial_condition_in_loop_num and evolution_part_in_loop_num
6020 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
6021 scev_probably_wraps_p.
6023 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
6025 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
6026 (s390_register_info): Ignore clobbered_regs information for fixed
6027 registers, and only fixed registers.
6028 (s390_init_frame_layout): Remove redundant call.
6030 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
6032 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
6033 description of -Wold-style-casts.
6035 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6036 Jakub Jelinek <jakub@redhat.com>
6038 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6039 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
6040 * config/s390/s390.c (print_operand): New output modifier 'G' added.
6041 (get_thread_pointer): Renamed to s390_get_thread_pointer.
6042 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
6043 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
6044 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
6045 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6046 ("stack_protect_set", "stack_protect_test"): New expanders.
6047 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
6048 "stack_protect_testdi"): New insn definitions.
6050 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6052 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
6054 2005-08-12 Paul Brook <paul@codesourcery.com>
6056 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
6058 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6060 * config/s390/predicates.md (setmem_operand): New predicate.
6061 (shift_count_operand): Accept ANDs with special constants as
6063 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
6064 with special constants.
6065 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
6066 shift_count_operand with setmem_operand.
6068 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6070 * config/s390/s390.c (s390_extract_part, s390_single_part):
6072 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
6073 (s390_output_mi_thunk): Don't use lg on 31 bit.
6074 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
6075 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
6077 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6079 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
6080 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
6081 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
6082 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
6083 with one of the new macros.
6085 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6087 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
6088 Don't set save_return_addr_p.
6089 (s390_register_info): Make clobbered_regs not depending on
6092 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
6094 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
6095 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
6097 2005-08-11 James E. Wilson <wilson@specifix.com>
6099 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
6101 2005-08-11 Jakub Jelinek <jakub@redhat.com>
6103 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
6104 locations gathered by var-tracking in single entry loc_list
6105 over loc_descriptor_from_tree.
6107 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
6108 pass it down to loc_descriptor.
6109 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
6110 (containing_function_has_frame_base): Move earlier in the file.
6111 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
6112 instead of always assuming fbreg can't be used.
6114 2005-08-11 David Edelsohn <edelsohn@gnu.org>
6116 * config/rs6000/altivec.md: Change constraint "m" to "Z".
6117 * config/rs6000/predicates.md (indexed_or_indirect_operand):
6118 Accept address wrapped in AND for Altivec.
6119 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6120 Strip AND wrapping offset address for Altivec.
6122 2005-08-11 Richard Henderson <rth@redhat.com>
6125 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
6126 before using TYPE_IS_SIZETYPE.
6128 2005-08-11 Richard Henderson <rth@redhat.com>
6131 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
6132 insn types not present on ev4.
6133 (alphaev5_insn_pipe): Similarly.
6135 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
6138 * arm.c (arm_override_options): If the user has selected callee-super-
6139 interworking, then enable normal interworking.
6141 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6143 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
6146 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
6148 * doc/rtl.texi: Fix two typos.
6150 2005-08-11 Richard Guenther <rguenther@suse.de>
6153 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
6154 cases where we call to/from functions returning void.
6156 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
6159 * tree.c (build_pointer_type_for_mode): Robustify.
6161 2005-08-10 James E Wilson <wilson@specifix.com>
6163 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
6164 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
6166 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
6169 2005-08-10 Eric Christopher <echristo@apple.com>
6171 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
6172 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
6175 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
6178 * config/darwin.c (machopic_indirect_data_reference): Use a new register
6179 for the high part when generating dynamic-no-pic code.
6181 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
6183 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
6184 (x86_64-*-linux*): Likewise.
6186 * config/i386/crtfastmath.c: New file.
6187 * config/i386/t-crtfm: Likewise.
6189 * config/i386/linux.h (ENDFILE_SPEC): New.
6190 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
6192 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
6195 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
6197 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
6198 (vec_shl, vec_shr): Document new operations.
6199 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
6201 2005-08-10 David Edelsohn <edelsohn@gnu.org>
6203 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
6204 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
6205 change predicate to indexed_or_indirect_address.
6207 2005-08-10 Richard Sandiford <richard@codesourcery.com>
6209 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
6210 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
6211 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
6212 and __aeabi_uwrite8.
6213 * config/arm/unaligned-funcs.c: New file.
6214 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
6216 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
6218 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
6220 * cfglayout.c (pass_insn_locators_initialize): Add dump.
6221 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
6223 * except.c (pass_convert_to_eh_region_ranges): Add dump.
6224 * final.c (pass_shorten_branches): Add dump.
6225 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
6226 (pass_life): Rename dump.
6227 (rest_of_handle_flow2): Remove initial verify_flow_info.
6228 * function.c (pass_instantiate_virtual_regs): Add dump.
6229 * integrate.c (pass_initial_value_sets): Add dump.
6230 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
6231 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
6232 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
6233 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
6234 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
6235 gate_rtl_unrool_and_peel_loops): New.
6236 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
6237 rtl_doloop): Do not look at flags.
6238 * mode-switching.c (pass_mode_switching): Add dump.
6239 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
6240 pass_split_before_regstack): Add dump.
6241 * regmove.c (pass_stack_adjustments): Add dump.
6242 * tree-optimize.c (pass_fixup_cfg): Add dump.
6244 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6247 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
6248 deciding which instruction sequence to use.
6250 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
6252 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
6253 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
6255 2005-08-09 Richard Guenther <rguenther@suse.de>
6257 * c-common.c (builtin_function_2): Remove.
6258 (def_builtin_1): New function.
6259 (c_common_nodes_and_builtins): Use def_builtin_1 to
6260 build builtin functions.
6262 2005-08-09 Jie Zhang <jie.zhang@analog.com>
6264 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
6265 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6266 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
6269 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
6271 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
6272 fold_binary instead of fold_build2 since we don't care about the
6274 (loop_niter_by_eval): Likewise.
6275 (compare_trees): Likewise.
6276 (proved_non_wrapping_p): Likewise.
6278 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
6282 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
6283 if the if is really empty.
6285 2005-08-09 Steven Bosscher <stevenb@suse.de>
6287 PR tree-optimization/23234
6288 * tree-ssa-math-opts.c (place_reciprocal): New enum.
6289 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
6290 argument of the new enum.
6291 (execute_cse_reciprocals): Add reciprocals for function arguments
6292 on the unique successor edge of the entry block. Update other calls
6293 to execute_cse_reciprocals_1.
6295 2005-08-08 Richard Henderson <rth@redhat.com>
6298 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
6300 2005-08-08 Bob Wilson <bob.wilson@acm.org>
6302 * expr.c (write_complex_part): Return after handling MEM.
6304 2005-08-08 Josh Conner <jconner@apple.com>
6306 PR rtl-optimization/23241
6307 * combine.c (simplify_comparison): Fix error in determining
6308 whether to lift a subreg from comparison.
6310 2005-08-08 David Edelsohn <edelsohn@gnu.org>
6313 * config/rs6000/altivec.md (vec_init<mode>): New.
6314 (vec_set<mode>): New.
6315 (vec_extract<mode>): New.
6316 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
6317 (rs6000_expand_vector_set): New.
6318 (rs6000_expand_vector_extract): New.
6319 (rs6000_legitimate_offset_address_p): Offset addresses are valid
6320 for Altivec modes before reload.
6321 (altivec_expand_vec_init_builtin): New.
6322 (get_element_number): New.
6323 (altivec_expand_vec_set_builtin): New.
6324 (altivec_expand_vec_ext_builtin): New.
6325 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
6327 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
6329 * config/rs6000/rs6000.h (rs6000_builtins): Add
6330 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
6331 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
6332 * config/rs6000/rs6000-protos.h: Declare new functions.
6334 2005-08-08 Jan Hubicka <jh@suse.cz>
6336 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
6337 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
6338 * i386.md (movdi*): Use pic_32bit_operand.
6339 * predicates.md (pic_32bit_operand): New.
6341 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
6344 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
6346 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
6348 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
6349 (test_for_singularity): Use fold_build2.
6351 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6353 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
6355 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
6357 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6358 (COMMON_ASM_OP) Define.
6359 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
6360 (ix86_encode_section_info): Likewise.
6361 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
6362 SUBTARGET_ENCODE_SECTION_INFO.
6364 2005-08-06 Richard Henderson <rth@redhat.com>
6367 * tree-nested.c (convert_local_reference): Save and restore val_only
6368 around component_ref and friends. Clear walk_subtrees by default.
6370 2005-08-06 Peter O'Gorman <peter@pogma.com>
6373 * gcc.c (process_command): Check the argument to -b has a dash.
6374 * doc/invoke.texi: Update -b and -V docs.
6376 2005-08-06 James E Wilson <wilson@specifix.com>
6378 * config/mips/cross64.h, config/mips/t-cross64: Delete.
6380 2005-08-06 Michael Matz <matz@suse.de>
6382 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
6383 member only if only one insn is associated with the value.
6385 2005-08-06 Nick Clifton <nickc@redhat.com>
6387 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
6389 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
6390 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
6391 Check symbol flags instead of symbol name mangling.
6392 (xstormy16_asm_output_aligned_common): Likewise. Also
6393 simplify code since the bss100_section cass is the only case
6394 where the below100 code will be triggered.
6395 (xstormy16_encode_section_info): Encode below100 attribute
6396 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
6398 (xstormy16_strip_name_encoding): Delete - this function is no
6400 (TARGET_STRIP_NAME_ENCODING): Undefine.
6401 * config/stormy16/stormy16-protos.h: Delete prototype for
6402 xstormy16_strip_name_encoding.
6404 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
6406 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
6407 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
6408 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
6409 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
6410 config/alpha/predicates.md, config/arc/arc.h,
6411 config/arm/arm.h, config/arm/ieee754-df.S,
6412 config/arm/ieee754-sf.S, config/bfin/bfin.c,
6413 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
6414 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
6415 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
6416 config/m68hc11/m68hc11.h, config/mips/mips.c,
6417 config/mips/mips.h, config/mips/openbsd.h,
6418 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
6419 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
6420 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6421 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
6422 config/sparc/linux.h, config/sparc/linux64.h,
6423 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
6424 doc/extend.texi, doc/gcov.texi, doc/install.texi,
6425 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
6426 typos. Follow spelling conventions.
6428 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
6431 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
6432 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
6433 specially. Check for side effects only for COND_EXPR.
6434 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
6435 return with TREE_NO_WARNING.
6437 2005-08-06 Richard Sandiford <richard@codesourcery.com>
6439 PR rtl-optimization/23233
6440 * loop.c (combine_movables): Require the modes to be the same.
6441 (move_movables): Remove handling of cases where the replacement
6442 had a different mode to the original.
6444 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
6446 PR tree-optimization/23128
6447 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
6448 subtraction wrap, and set TREE_OVERFLOW if they do.
6450 2005-08-05 Richard Henderson <rth@redhat.com>
6453 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
6454 FORCED_LABEL labels.
6456 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
6459 * reload.c (find_reloads_subreg_address): Pass down TYPE
6460 unchanged. Change all callers except find_reloads_toplev.
6462 2005-08-05 Michael Matz <matz@suse.de>
6464 * genattrtab.c (current_alternative_string): Remove.
6465 (SIMPLIFY_ALTERNATIVE): Ditto.
6466 (attr_alt_bit_p): Ditto.
6467 (alternative_name): Make const char *.
6468 (evaluate_eq_attr): Remove use of above things.
6469 (simplify_test_exp): Ditto.
6470 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
6471 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
6473 2005-08-04 James E Wilson <wilson@specifix.com>
6475 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
6476 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
6477 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
6478 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
6479 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
6481 2005-08-04 Richard Henderson <rth@redhat.com>
6484 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
6485 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
6486 * tree-sra.c (decide_block_copy): Use it. Disable element copy
6487 if we'd have to instantiate too many members.
6489 2005-08-04 Richard Henderson <rth@redhat.com>
6492 * tree-outof-ssa.c (coalesce_asm_operands): New.
6493 (coalesce_ssa_name): Use it. Split out ...
6494 (coalesce_phi_operands, coalesce_result_decls): ... these.
6496 2005-08-04 Paul Brook <paul@codesourcery.com>
6498 * read-rtl.c (read_quoted_string): Break if EOF.
6500 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
6502 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
6503 (fold_build2): Likewise.
6504 (fold_build3): Likewise.
6505 (fold_build1_stat): New function prototype.
6506 (fold_build2_stat): Likewise.
6507 (fold_build3_stat): Likewise.
6508 * fold-const.c (fold_build1): Rename to ..
6509 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6510 through to build1_stat.
6511 (fold_build2): Rename to ..
6512 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6513 through to build2_stat.
6514 (fold_build3): Rename to ..
6515 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6516 through to build3_stat.
6518 2005-08-04 David Edelsohn <edelsohn@gnu.org>
6519 Ian Lance Taylor <ian@airs.com>
6521 * function.c (assign_stack_local_1): Do not correct stack slot
6522 address if allocation size is smaller than mode size.
6524 2005-08-04 Diego Novillo <dnovillo@redhat.com>
6527 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
6528 (tree_merge_blocks): Propagate anything allowed by
6530 Clarify documentation.
6531 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
6532 SSA form, schedule an update if necessary.
6534 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
6536 * doc/install.texi (Binaries): Remove broken link to
6537 Sinix/Reliant Unix binaries.
6539 2005-08-03 Richard Henderson <rth@redhat.com>
6542 * function.c (stack_protect_epilogue): Export.
6543 * tree.h (stack_protect_epilogue): Declare.
6544 * calls.c (expand_call): Call it.
6546 2005-08-03 Eric Christopher <echristo@apple.com>
6548 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
6549 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
6552 2005-08-04 Jan Hubicka <jh@suse.cz>
6554 * profile.c (branch_prob): Split edges with goto locus on them
6555 to get proper line counts.
6556 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
6558 2005-08-03 Paul Brook <paul@codesourcery.com>
6560 * function.c (assign_parms): Round current_function_args_size
6561 to PARM_BOUNDARY, not STACK_BOUNDARY.
6563 2005-08-03 Geoffrey Keating <geoffk@apple.com>
6565 * config/i386/i386.c (x86_elf_aligned_common)
6566 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
6568 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
6570 PR tree-optimization/23157
6571 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
6572 before emitting them.
6574 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6576 PR tree-optimization/19899
6577 * Makefile.in (tree-scalar-evolution.o): Add real.h.
6578 * tree-scalar-evolution.c: Include real.h.
6579 (add_to_evolution): Build constant -1 of correct type.
6581 2005-08-03 Jan Hubicka <jh@suse.cz>
6583 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
6584 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
6585 profile updating for complette unrolling.
6586 * loop-unroll.c (peel_loop_completely): Use it.
6587 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
6588 (tree_unroll_loops_completely): Disable code growing unrolling of cold
6591 2005-08-03 Paul Brook <paul@codesourcery.com>
6593 * combine.c (can_change_dest_mode): New function.
6594 (try_combine, simplify_set): Use it.
6596 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
6598 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
6601 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
6603 * doc/install.texi (Specific): Adjust link to openavr.org.
6604 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
6605 (Binaries): Adjust HP-UX Porting Center link.
6606 (Binaries): Adjust Free Software Foundation ordering link.
6608 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
6610 * convert.c (convert_to_integer): Use fold_build1 instead of
6611 build1 when converting an integer to an integer.
6613 2005-08-02 Richard Henderson <rth@redhat.com>
6615 * combine.c (combine_instructions): Don't use reg_equal/equiv
6616 results if the mode doesn't match.
6618 2005-08-02 Mark Mitchell <mark@codesourcery.com>
6620 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
6621 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
6623 2005-08-02 Richard Henderson <rth@redhat.com>
6626 * explow.c (memory_address): Remove special-case for
6627 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
6629 2005-08-02 Diego Novillo <dnovillo@redhat.com>
6632 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
6633 number of calls to cleanup_tree_cfg_1.
6635 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
6637 * doc/invoke.texi: document file extensions .F90 and .F95
6639 2005-08-02 Richard Guenther <rguenther@suse.de>
6641 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
6642 positive if its first argument is positive.
6644 2005-08-02 Richard Guenther <rguenther@suse.de>
6646 PR tree-optimization/23177
6647 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
6650 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
6652 PR tree-optimization/23129
6653 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
6654 varying for divisions with anti-ranges.
6656 2005-08-02 Jan Hubicka <jh@suse.cz>
6658 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
6659 * tree-ssa-threadupdate.c (thread_block): Add it here.
6661 2005-08-01 James E Wilson <wilson@specifix.com>
6663 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
6664 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
6665 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
6667 * config/mips/predicates.md (const_call_insn_operand): Add check for
6668 SYMBOL_REF_LONG_CALL_P.
6669 * doc/extend.texi (long_call): Document the new attribute.
6671 2005-08-01 Ian Lance Taylor <ian@airs.com>
6672 Richard Henderson <rth@redhat.com>
6674 * Makefile.in (RTL_BASE_H): Add real.h.
6675 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6677 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
6679 * rtl.c (rtl_check_failed_code_mode): New.
6680 * rtl.h (struct rtx_def): Add u.rv.
6681 (XCMWINT, XCNMPRV): New.
6682 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
6683 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
6685 2005-08-01 Richard Henderson <rth@redhat.com>
6687 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
6688 with auto-inc codes.
6690 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
6692 2005-08-01 Jan Hubicka <jh@suse.cz>
6694 * i386-protos.h (asm_preferred_eh_data_format): Declare.
6695 * i386.c: Include dwarf2.h
6696 (asm_preferred_eh_data_format): New.
6697 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
6699 2005-08-01 Ian Lance Taylor <ian@airs.com>
6701 * config/host-linux.c (linux_gt_pch_get_address): Add new name
6702 randomize_va_space for virtual address randomization control.
6704 2005-08-01 Steven Bosscher <stevenb@suse.de>
6706 * common.opt (flag_ipa_cp): Put in right place to maintain
6709 2005-08-01 Jan Hubicka <jh@suse.cz>
6711 * profile.c (compute_value_histograms): Fix thinko.
6712 * value-prof.c: Include toplev.h
6713 (check_counter): New function.
6714 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
6715 tree_mod_subtract_transform): Add sanity check.
6717 2005-08-01 Richard Guenther <rguenther@suse.de>
6719 PR tree-optimization/23133
6720 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
6721 current functions parameter decls to find defs to cse
6724 2005-08-01 Richard Guenther <rguenther@suse.de>
6726 PR tree-optimization/23109
6727 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
6728 If trapping math is in effect, use post-dominator information
6729 to check if we'd in any case reach a trapping point before
6730 doing the reciprocal insertion.
6731 (execute_cse_reciprocals): Compute post-dominators, if necessary.
6732 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
6733 expressions are invariant only if trapping math is not in effect.
6735 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6737 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
6738 cgraph_function_versioning): New declarations.
6739 * cgraphunit.c: Add include to ipa-prop.h.
6740 (update_call_expr, cgraph_copy_node_for_versioning,
6741 cgraph_function_versioning): New functions.
6742 * integrate.c (copy_decl_for_inlining): Remove.
6743 * ipa-prop.h (ipa_replace_map): New struct.
6744 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
6745 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
6746 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
6747 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
6748 ipcp_iterate_stage, ipcp_method_scale_print,
6749 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
6750 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
6751 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
6752 ipcp_update_bb_counts, ipcp_update_profiling,
6753 ipcp_update_edges_counts): New functions.
6754 (ipcp_method_cval_init): Remove restriction regarding local methods.
6755 (ipcp_init_stage): Add ipcp_method_compute_scale.
6756 (ipcp_insert_stage): Add versioning.
6757 (ipcp_structures_print): Add ipcp_method_scale_print.
6758 (ipcp_driver): Dump profiling info.
6759 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
6760 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
6761 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
6762 (struct inline_data): Add versioning_p, ipa_info, new fields.
6763 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
6764 declare_return_variable): Replace calls to copy_decl_for_inlining with
6766 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
6768 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
6769 Add argument VERSIONING.
6770 (copy_arguments_for_versioning, copy_static_chain,
6771 function_versionable_p, tree_versionable_function_p,
6772 tree_function_versioning, replace_ref_tree): New functions.
6773 * tree-inline.h: Include varray.h.
6774 (tree_versionable_function_p, tree_function_versioning,
6775 tree copy_decl_for_dup): New declarations.
6777 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6779 * ipa-cp.c: New file. Contains IPCP specific functionality.
6780 * ipa-prop.h: New file. Contains structures/definitions that can be
6781 used by several interprocedural data flow optimizations (and also IPCP).
6782 * ipa-prop.c: New file.
6783 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
6784 * common.opt: Add ipa-cp flag.
6785 * timevar.def: Add IPCP optimization.
6786 * tree-optimize.c (init_tree_optimization_passes): Schedule
6788 * tree-pass.h (pass_ipa_cp): Declare.
6790 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
6792 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
6793 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
6794 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
6795 config/i386/i386.c, config/mips/mips.h,
6796 config/rs6000/rs6000.h, config/sh/sh.c,
6797 config/stormy16/stormy16.c: Fix comment typos.
6799 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
6802 * c-typeck.c (build_binary_op): Use common_type wrapper on
6804 (common_type): Update comment.
6806 2005-07-31 Steven Bosscher <stevenb@suse.de>
6809 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
6810 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
6811 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
6813 2005-07-31 Jan Hubicka <jh@suse.cz>
6815 * pretty-print.h (pp_widest_integer): New macro.
6816 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
6819 2005-07-31 Jan Hubicka <jh@suse.cz>
6821 * output.h (enum section_category): Export from varasm.c
6822 (categorize_decl_for_section): Likewise.
6823 * varasm.c (enum section_category): Kill.
6824 (categorize_decl_for_section): Make global.
6825 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
6827 * i386.c (ix86_section_threshold): New static variable.
6828 (ix86_in_large_data_p, ix86_encode_section_info,
6829 x86_64_elf_unique_section,
6830 x86_64_elf_select_section): New functions.
6831 (TARGET_ENCODE_SECTION_INFO): Define
6832 (override_options): Enable medium model for PIC.
6833 (ix86_expand_prologue): Expand gen_set_got_rex64.
6834 (legitimate_constant_p): Handle new UNSPECs.
6835 (legitimate_pic_address_disp_p): Likewise.
6836 (legitimize_pic_address): Lower MEDIUM model addressing.
6837 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
6838 (enum cmodel): Add MEDIUM_PIC.
6839 (SYMBOL_REF_FAR_ADDR_P): New macro.
6840 (SYMBOL_FLAG_FAR_ADDR): New flag.
6841 * i386.md (movdi): Support medium model.
6842 (set_got_rex64): New pattern.
6843 * i386.opt (mlarge-data-threshold): New flag.
6844 * predicates.md (zext_operand/sext_operand): Deal with medium model.
6845 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
6846 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
6847 TARGET_ASM_UNIQUE_SECTION): New.
6849 * invoke.texi (-mlarge_data_threshold): Document
6851 2005-07-31 Jan Hubicka <jh@suse.cz>
6853 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
6854 (coalesce_vars): Likewise.
6855 * tree-ssa-live.c (coalesce_cost): New.
6856 (build_tree_conflict_graph): Use coalesce_cost.
6857 * tree-ssa-live.h (coalesce_cost): Declare.
6859 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
6861 * arm.md (all peepholes for post-increment operations): Delete.
6862 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
6863 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
6864 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
6865 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
6866 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
6868 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
6870 * fold-const.c (tree_expr_nonnegative_p): Always return true for
6873 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
6876 * doc/invoke.texi: Document -rdynamic.
6878 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
6881 * c-parser.c (c_parser_parms_list_declarator): Call
6882 mark_forward_parm_decls.
6883 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
6884 decls with visibility structure.
6886 2005-07-30 Paul Brook <paul@codesourcery.com>
6888 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
6890 2005-07-30 Paul Brook <paul@codesourcery.com>
6892 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
6894 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
6896 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
6898 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6901 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
6902 nested function declarators.
6903 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
6904 (grokparms): Call warn_if_shadowing for parameters used within the
6906 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
6907 not used within the parameter list.
6908 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
6910 2005-07-30 Jan Hubicka <jh@suse.cz>
6912 * expr.c (expand_expr_real_1): Do not load mem targets into register.
6913 * i386.c (ix86_fixup_binary_operands): Likewise.
6914 (ix86_expand_unary_operator): Likewise.
6915 (ix86_expand_fp_absneg_operator): Likewise.
6916 * optabs.c (expand_vec_cond_expr): Validate dest.
6918 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6921 * real.c (real_from_string): Also set last bit if there is a
6922 nonzero hex digit beyond GCC's internal precision after ".".
6924 2005-07-29 David Edelsohn <edelsohn@gnu.org>
6926 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
6927 define_constants. Change duplicate values to unassigned numbers.
6928 Change UNSPEC_SUBS to UNSPEC_VSUBS.
6929 (*altivec_vspltsf): New.
6930 (altivec_vperm_v4sf): Delete.
6931 (altivec_vperm_<mode>): Use mode macro V.
6932 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
6933 (altivec_predicate_v4sf): Delete.
6934 (altivec_predicate_<mode>): Use mode macro V.
6935 (*altivec_lvesfx): New.
6936 (*altivec_stvesfx): New.
6937 (vec_realign_load_v4sf): Delete.
6938 (vec_realign_load_<mode>): Use mode macro V.
6939 * config/rs6000/rs6000.c (generate_set_vrsave): Use
6942 2005-07-29 Mark Mitchell <mark@codesourcery.com>
6945 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
6947 * configure: Regenerated.
6949 2005-07-29 Paul Brook <paul@codesourcery.com>
6951 * doc/install.texi: Add link to GFortran binaries wiki page.
6953 2005-07-29 David Ung <davidu@mips.com>
6955 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
6956 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
6957 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
6958 * config/mips/mips.md (cpu): Add 5kf name.
6959 (includes): Includes 5k.md.
6960 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
6961 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
6964 2005-07-29 Diego Novillo <dnovillo@redhat.com>
6967 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
6968 (cleanup_tree_cfg): ... here.
6969 Call cleanup_tree_cfg_1 until there are no more cleanups to
6972 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
6974 * tree-vrp.c (compare_range_with_value): Return true or false
6975 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
6976 EQ_EXPR respectively.
6978 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
6980 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
6983 2005-07-29 Diego Novillo <dnovillo@redhat.com>
6985 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
6986 (tree_ssa_dominator_optimize): Increment it.
6987 (dump_dominator_optimization_stats): Print it.
6989 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
6990 Steven Bosscher <stevenb@suse.de>
6992 PR rtl-optimization/23117
6993 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
6994 when head == tail. Tidy comment.
6996 2005-07-28 Richard Henderson <rth@redhat.com>
6998 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
6999 * cselib.c (rtx_equal_for_cselib_p): Likewise.
7000 * jump.c (rtx_renumbered_equal_p): Likewise.
7001 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
7002 CONST_INT and CONST_DOUBLE.
7003 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
7004 * reload.c (operands_match_p): Special case CONST_INT and
7005 CONST_DOUBLE; check mode earlier.
7007 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7010 * c-typeck.c (convert_for_assignment): Do not check
7011 DECL_IN_SYSTEM_HEADER on NULL fundecl.
7013 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7016 * c-typeck.c (composite_type): Prefer constant size arrays to
7019 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7022 * real.c (real_from_string): Set last bit if there is a nonzero
7023 hex digit beyond GCC's internal precision.
7025 2005-07-28 Richard Henderson <rth@redhat.com>
7028 * cfgcleanup.c (try_forward_edges): Watch out for end of
7031 2005-07-28 James E Wilson <wilson@specifixinc.com>
7034 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
7036 2005-07-28 Jan Hubicka <jh@suse.cz>
7038 * Makefile.in (rtl-profile.o): Kill all traces of it.
7039 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
7040 * coverage.h (rtl_coverage_counter_ref): Kill.
7041 * opts.c (flag_speculative_prefetching_set): Kill.
7042 (flag_loop_optimize_set): New.
7043 (common_handle_option): Disable loop optimizer when profiling;
7044 do not handle speculative prefetching.
7045 * passes.c (init_optimization_passes): Replace pass_profiling combo
7046 by branch_prob pass.
7047 * profile.c (compute_value_histograms): Update for simplified value
7049 (rtl_register_profile_hooks): Kill.
7050 (pass_profiling): Kill.
7051 (rest_of_handle_branch_prob): Do not profile.
7052 * toplev.c (process_options): Remove speculative prefetching.
7053 * toplev.h (flag_tree_based_profiling): Kill.
7054 * tree-profile.c (prepare_instrumented_value,
7055 tree_gen_interval_profiler, tree_gen_pow2_profiler,
7056 tree_gen_one_value_profiler, do_tree_profiling): Update for
7057 simplified datastructures.
7058 * value-prof.c: Add comment that speculative prefetching was dropped;
7059 update rest of file for simplified datastructures.
7060 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
7061 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
7062 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
7063 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
7064 rtl_mod_subtract, gen_speculative_prefetch,
7065 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
7066 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
7067 (gate_handle_value_profile_transformations,
7068 rest_of_handle_value_profile_transformations,
7069 pass_value_profile_transformations): Kill.
7070 * value-prof.h (histogram_value_t): Remove IL based unions.
7071 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
7072 rtl_profile_hooks): Remove hooks.
7074 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
7076 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
7077 (cgraph_clone_node): Likewise.
7078 * cgraph.h (cgraph_clone_edge): Update prototype.
7079 (cgraph_clone_node): Likewise.
7080 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
7082 (lookup_recursive_calls): Consider profile.
7083 (cgraph_decide_recursive_inlining): Fix updating; use new
7084 probability argument; use profile.
7085 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
7086 * tree-inline.c (copy_bb): Update clal of clone_edge.
7087 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
7089 * invoke.texi (min-inline-recursive-probability): Document.
7091 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
7093 * doc/install.texi (Configuration): Update Valgrind homepage.
7095 2005-07-28 Richard Henderson <rth@redhat.com>
7098 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
7099 labels we want to delete.
7100 (cfg_layout_merge_blocks): Likewise.
7102 2005-07-28 Richard Henderson <rth@redhat.com>
7105 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
7106 when expanding to nothing.
7108 2005-07-28 Josh Conner <jconner@apple.com>
7110 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
7111 (cgraph_decide_inlining_of_small_functions): Likewise.
7113 2005-07-28 Josh Conner <jconner@apple.com>
7115 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
7116 direction of badness if negative.
7117 (cgraph_default_inline_p): Add reason to parameters, and assign it
7119 (cgraph_decide_inlining_of_small_functions): New parameter in call
7120 to cgraph_default_inline_p.
7121 (cgraph_decide_inlining_incrementally): Likewise.
7122 * cgraphunit.c (decide_is_function_needed): Likewise.
7123 * cgraph.h (cgraph_default_inline_p): Likewise.
7125 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7127 * builtins.c: Fix comment typo(s).
7128 * genautomata.c: Likewise.
7129 * gimplify.c: Likewise.
7130 * tree-dfa.c: Likewise.
7131 * tree-flow-inline.h: Likewise.
7132 * tree-into-ssa.c: Likewise.
7133 * tree-ssa-alias.c: Likewise.
7134 * tree-ssa-ccp.c: Likewise.
7135 * tree-ssa-copy.c: Likewise.
7136 * tree-ssa-dce.c: Likewise.
7137 * tree-ssa-dom.c: Likewise.
7138 * tree-ssa-operands.c: Likewise.
7139 * tree-tailcall.c: Likewise.
7140 * tree-vectorizer.c: Likewise.
7141 * tree-vrp.c: Likewise.
7144 2005-07-28 Jeff Law <law@redhat.com>
7146 * tree-vrp.c (test_for_singularity): Extracted from ...
7147 (simplify_cond_using_ranges): Attempt to simplify a relational
7148 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
7150 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
7152 PR tree-optimization/22506
7153 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
7154 phis whose argument is constant.
7156 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
7158 PR rtl-optimization/18992
7159 Back out this patch:
7160 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7161 PR optimization/12142
7162 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
7163 uses of the register in the SET_SRC. Remove unnecessary argument.
7165 Replace it with this:
7166 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
7167 if flag_non_call_exceptions is set and the insn may trap, pass
7168 pc_rtx as dest for recursion.
7169 In SET_SRC part of SET case, if dest is already set, pass it down
7172 2005-07-28 Jan Hubicka <jh@suse.cz>
7174 * cfg.c (update_bb_profile_for_threading): Use RDIV.
7175 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
7176 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
7178 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
7179 profile when available.
7181 2005-07-28 Jan Beulich <jbeulich@novell.com>
7183 * config/ia64/ia64.c (ia64_load_pair_ok): New.
7184 (ia64_print_operand): Describe and handle 'X'.
7185 (ia64_register_move_cost): Also handle FP_REGS.
7186 (ia64_preferred_reload_class): Likewise.
7187 (ia64_secondary_reload_class): Likewise.
7188 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
7189 it. Also check for ITANIUM_CLASS_FLDP.
7190 * config/ia64/ia64.h (FP_REGNO_P): New.
7191 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
7192 (reg_class): Add FP_REGS.
7193 (REG_CLASS_NAMES): Adjust for it.
7194 (REG_CLASS_CONTENTS): Likewise.
7195 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
7196 (REG_CLASS_FROM_LETTER): Handle 'x'.
7197 (CLASS_MAX_NREGS): Handle FP_REGS.
7198 (MEMORY_MOVE_COST): Likewise.
7199 * config/ia64/ia64.md (itanium_class): Add fldp.
7200 (type): Handle fldp.
7201 (movti_internal): More allowable operand combinations. Use ldfp8 when
7202 splitting unnecessary. Remove predicable attribute. Adjust
7203 itanium_class attribute.
7204 (smuldi3_highpart): Remove outdated comment.
7205 (mulditi3, umulditi3, rotlti3): New expanders.
7206 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
7207 (absti2): Disabled new insn for future reference.
7208 Respective new splitters.
7209 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
7210 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
7211 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
7213 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
7215 PR rtl-optimization/23047
7216 * simplify-rtx.c (simplify_const_relational_operation): Respect
7217 flag_wrapv for comparisons with ABS.
7219 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
7221 PR tree-optimization/22493
7222 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
7223 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
7225 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
7227 * config/frv/frv.opt (moptimize-membar): New.
7229 * doc/invoke.texi: Document -moptimize-membar and its inverse.
7231 * config/frv/frv.h: Remove machine_function definition.
7233 * config/frv/frv.c (struct frv_io): New.
7234 (struct machine_function): Moved from frv.h. Add has_membar_p.
7235 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
7236 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
7237 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
7238 (frv_optimize_membar_global, frv_optimize_membar): New functions.
7239 (frv_reorg): Call frv_optimize_membar when appropriate.
7240 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
7241 (frv_expand_builtin): Adjust calls accordingly.
7242 (frv_io_address_cookie): New function.
7243 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
7244 load or store rather than a special insn. Add ccnstant address and
7245 io-type operands to the membar.
7246 (frv_ifcvt_modify_tests): Unsign regno.
7247 (frv_ifcvt_modify_tests): Same.
7249 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
7250 UNSPEC_OPTIONAL_MEMBAR constant.
7251 (builtin_read_<mode>): Delete.
7252 (builtin_write_<mode>): Delete.
7253 ("optional_membar_<mode>"): Add operand.
7255 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
7256 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
7257 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
7258 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
7259 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
7260 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
7261 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
7262 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
7263 * testsuite/gcc.target/frv/all-read-write-1.c: New.
7265 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
7267 * df.c (df_uses_record): Handle SCRATCH.
7269 2005-07-28 Steven Bosscher <stevenb@suse.de>
7272 * passes.c (rest_of_decl_compilation): If decl is a type and
7273 we have encountered errors, don't emit debug information.
7275 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7277 * params.def: Fixed comment.
7279 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
7282 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
7283 (TARGET_ASM_UNALIGNED_HI_OP): Add.
7284 (TARGET_ASM_UNALIGNED_SI_OP): Add.
7286 2005-07-27 Steven Bosscher <stevenb@suse.de>
7289 * varasm.c (assemble_start_function): Don't do anything that may
7290 require a CFG if the current function is a thunk.
7292 2005-07-25 Geoffrey Keating <geoffk@apple.com>
7294 * doc/install.texi (Prerequisites): Mention that perl is needed
7295 to do export control in libstdc++ targetting Darwin.
7297 2005-07-27 Steven Bosscher <stevenb@suse.de>
7299 PR rtl-optimization/17808
7300 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
7301 (sched_insns_conditions_mutex_p): Split out from...
7302 (add_dependence): ...here. But don't call it from here.
7303 (add_dependence_list): Check sched_insns_conditions_mutex_p
7304 before calling add_dependence.
7305 (add_dependence_list_and_free): Likewise.
7306 (fixup_sched_groups): Likewise.
7307 (sched_analyze_1): Likewise.
7308 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
7309 (sched_analyze): Likewise.
7310 (sched_analyze_insn): Likewise.
7311 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
7312 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
7313 dependencies on all COND_EXEC insns to jumps ending basic blocks
7314 when doing intrablock scheduling.
7315 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
7317 2005-07-27 Jeff Law <law@redhat.com>
7319 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
7320 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
7321 equivalency sets, correctly handle the case were vr0 has an
7322 equivalency set, but vr1 does not.
7324 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
7326 PR tree-optimization/23073
7327 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
7328 vect_print_dump_info before fprintf.
7330 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7332 PR tree-optimize/22348
7333 * tree-ssa-loop-niter.c (number_of_iterations_cond):
7334 Fold the partial computation.
7336 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7338 PR tree-optimization/22325
7339 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
7341 * tree-scalar-evolution.c (scev_const_prop): Add generic final
7343 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
7344 (force_var_cost): ... this function.
7345 (compute_phi_arg_on_exit): Export.
7347 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7349 PR tree-optimization/20773
7350 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
7353 2005-07-27 Richard Guenther <rguenther@suse.de>
7355 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
7356 Avoid pushing again if current struct contains only
7357 fields we decomposed.
7359 2005-07-27 Jan Hubicka <jh@suse.cz>
7361 PR tree-optimization/22574
7362 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
7365 * tree-tailcall.c (decrease_profile): New function.
7366 (eliminate_tail_call): Use it.
7368 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
7369 visibility flags correctly in whole program mode.
7371 2005-07-26 Steve Ellcey <sje@cup.hp.com>
7373 PR rtl-optimization/22472
7374 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
7376 2005-07-26 Steven Bosscher <stevenb@suse.de>
7378 PR tree-optimization/22504
7379 * tree-complex.c (expand_complex_addition): Use 'code' instead
7380 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
7382 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7384 * config.gcc (cpu_type): Add frv case.
7385 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
7386 (supported_defaults): Add fr550 case.
7388 2005-07-26 Diego Novillo <dnovillo@redhat.com>
7391 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
7392 whether a pointer of type T * may point to objects of type T *.
7394 2005-07-26 DJ Delorie <dj@redhat.com>
7396 * configure: Regenerate.
7398 2005-07-26 Dale Johannesen <dalej@apple.com>
7400 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
7402 2005-07-26 Mark Mitchell <mark@codesourcery.com>
7404 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
7405 Clarify use of "build" in name.
7407 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7409 * doc/extend.texi (Raw read/write Functions): New section.
7410 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
7411 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
7412 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
7413 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
7414 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
7415 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
7416 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
7417 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
7418 * config/frv/frv.c: Add bdesc_loads global.
7419 Add bdesc_stores global.
7420 (frv_init_builtins): Add support for __builtin_{read/write}*.
7421 (frv_volatile_memref): New.
7422 (frv_expand_load_builtin): New.
7423 (frv_expand_store_builtin): New.
7424 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
7425 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
7426 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
7427 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
7428 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
7429 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
7430 (builtin_read_<mode>): New.
7431 (builtin_write_<mode>): New.
7432 (builtin_write64): New.
7433 (optional_membar_<mode>): New.
7435 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
7437 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
7438 (rather than units) against HOST_BITS_PER_WIDE_INT.
7440 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
7442 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
7443 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
7444 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
7445 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
7448 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
7449 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
7450 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
7452 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
7454 2005-07-26 Richard Guenther <rguenther@suse.de>
7456 PR tree-optimization/22486
7457 * fold-const.c (fold_unary): Fold away useless component
7458 references of the form (T *)&T.x, if the address
7461 2005-07-25 James E Wilson <wilson@specifixinc.com>
7463 * dwarf2out.c (add_call_src_coords_attributes): New.
7464 (gen_inlined_subroutine_die): Call it.
7465 (maybe_emit_file, init_file_table): Add comments.
7466 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
7468 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
7469 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
7470 * tree.h (BLOCK_SOURCE_LOCATION): New.
7471 (struct tree_block): New field locus.
7473 2005-07-26 Andreas Schwab <schwab@suse.de>
7475 PR rtl-optimization/23043
7476 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
7477 when allocating a struct unoccr.
7479 2005-07-25 Richard Henderson <rth@redhat.com>
7482 * tree-complex.c (gate_no_optimization): True if errors.
7483 * Makefile.in (tree-complex.o): Update dependencies.
7485 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
7487 * config/frv/predicates.md (integer_register_operand): Use
7490 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7493 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
7495 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
7497 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7499 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
7500 types when flag_unsafe_math_optimizations is true.
7502 2005-07-25 Mark Mitchell <mark@codesourcery.com>
7504 * gcc.c (option_map): Add --sysroot.
7505 (process_command): Handle --sysroot.
7506 (display_help): Document it.
7507 * doc/cppopts.tex (-isysroot): Document.
7508 * doc/invoke.texi (--sysroot): Document.
7509 * doc/install.texi (--with-build-sysroot): Document.
7511 * Makefile.in (inhibit_libc): New variable.
7512 (INHIBIT_LIBC_CFLAGS): Likewise.
7513 (LIBGCC2_CFLAGS): Include
7514 $(INHIBIT_LIBC_CFLAGS).
7515 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
7516 ($(T)crtbegin.o): Do not use @inhibit_libc@.
7517 ($(T)crtend.o): Likewise.
7518 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
7519 ($(T)crtendS.o): Likewise.
7520 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
7521 ($(T)crtendT.o): Likewise.
7522 (stmp-fixinc): Do not complain about missing headers if
7524 * configure.ac (inhibit_libc): Set it to true/false.
7525 (--with-build-sysroot): New option. Use it to set
7527 * configure: Regenerated.
7529 2005-07-25 Manfred Hollstein <mh@suse.com>
7531 * calls.c (store_one_arg): Fix unsigned comparison warning.
7533 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
7536 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
7537 (ggc_print_statistics): Initialize variable before use.
7539 2005-07-25 Richard Guenther <rguenther@suse.de>
7541 * tree-dfa.c (mark_new_vars_to_rename): Protect against
7542 calling with a PHI_NODE argument.
7544 * tree-flow-inline.h (overlap_subvar): Protect against
7547 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
7549 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
7550 * configure: Regenerate.
7552 2005-07-25 Ira Rosen <irar@il.ibm.com>
7554 * expr.c (highest_pow2_factor): Make extern.
7555 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
7556 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7557 record_array_differ_p, array_ptr_differ_p): Likewise.
7558 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
7559 additional cases. Call the above functions.
7560 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
7561 base_object_differ_p when there are two base objects. Otherwise, compare
7562 base address and offset. Call may_alias_p.
7563 (dump_data_reference): Use a correct field name.
7564 (analyze_array): Make static. Initialize new data-ref fields.
7565 (analyze_indirect_ref): New function.
7566 (init_data_ref): Initialize new data-ref fields.
7567 (strip_conversion): Moved from tree-vect-analyze.c.
7568 (analyze_offset_expr, get_ptr_offset, address_analysis,
7569 object_analysis): Likewise.
7570 (analyze_offset): New function.
7571 (create_data_ref): Likewise.
7572 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
7573 dimensions for ARRAY_REFs only.
7574 (build_classic_dist_vector): Make static.
7575 (access_functions_are_affine_or_constant_p): Call macro to get the
7576 address of access functions.
7577 (compute_all_dependences): Add new parameter
7578 compute_self_and_read_read_dependences. Compute self and read-read
7579 dependences if it is true.
7580 (find_data_references_in_loop): Call create_data_ref. Initialize new
7582 (compute_data_dependences_for_loop): Add new parameter
7583 compute_self_and_read_read_dependences. Remove parameter nb_loops,
7584 compute nb_loops. Call compute_all_dependences,
7585 build_classic_dist_vector and build_classic_dir_vector with correct
7587 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
7588 with correct parameters. Compare dimensions for ARRAY_REFs only.
7589 (free_data_refs): Call macro to free access functions.
7590 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
7591 fields from stmt_vinfo.
7592 (struct base_object_info): New structure.
7593 (struct data_reference): Move fields to base_object_info. Add fields
7594 first_location and object_info for above structures. Move fields from
7595 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
7596 aligned_to. Add macros to access the new fields.
7597 Update functions declarations.
7598 * tree-flow.h (is_aliased_with): Declare.
7599 * tree-loop-linear.c (linear_transform_loops): Call
7600 compute_data_dependences_for_loop with correct parameters.
7601 * tree-ssa-alias.c (is_aliased_with): New function.
7602 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
7603 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
7604 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
7605 vect_base_addr_differ_p, compute_subscript_distance and
7606 build_classic_dist_vector. Add printings. Check absolute value of
7608 (vect_analyze_data_ref_dependences): Go through ddrs instead of
7610 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
7611 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
7612 to bytes. Add printing.
7613 (vect_compute_data_refs_alignment): Go through loads and stores in one
7615 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
7616 vect_analyze_data_ref_access): Likewise.
7617 (vect_analyze_pointer_ref_access): Remove.
7618 (vect_address_analysis, vect_object_analysis): Likewise.
7619 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
7620 and analyze data-refs in the loop.
7621 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
7622 fields of data-ref instead of stmt. Add init to the offset from the
7624 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
7625 (vect_update_init_of_dr): Likewise.
7626 (vect_update_inits_of_drs): Go through loads and stores in one loop.
7627 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
7629 (new_loop_vec_info): Initialize new fields.
7630 (destroy_loop_vec_info): Free new fields.
7631 (vect_strip_conversion): Remove.
7632 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
7633 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7634 datarefs. Add new field ddrs.
7635 Add macros for the new fields access.
7636 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
7637 base_aligned_p, misalignment, memtag, ptr_info and subvars.
7638 Remove their macros.
7639 * tree.h (highest_pow2_factor): Declare.
7641 2005-07-25 Jakub Jelinek <jakub@redhat.com>
7643 * calls.c (store_one_arg): Check for sibling call MEM arguments
7644 from already clobbered incoming argument area.
7646 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7648 * c-common.c (check_missing_format_attribute): New.
7649 * c-common.h (check_missing_format_attribute): Likewise.
7650 * c-typeck.c (convert_for_assignment): Use it.
7652 2005-07-24 Andreas Schwab <schwab@suse.de>
7654 * config/m68k/m68k.md ("extendqidi2"): When source is an address
7655 register use a word move. Correct operand of ext.w in 68000 code.
7657 2005-07-23 Mark Mitchell <mark@codesourcery.com>
7659 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
7660 variables as declarations, rather than definitions.
7662 2005-07-24 Ira Rosen <irar@il.ibm.com>
7664 PR tree-optimization/22526
7665 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
7668 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7670 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
7671 that C99 reserve for future use. Use it to define clog10,
7672 clog10f and clog10l.
7674 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7676 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
7677 * configure.ac: Check for -Wmissing-format-attribute.
7679 * configure: Regenerate.
7681 2005-07-23 Richard Henderson <rth@redhat.com>
7683 PR tree-optimization/22623
7684 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
7686 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
7689 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
7691 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7693 * Makefile.in (C_TREE_H): Update dependencies.
7694 * c-tree.h: Include toplev.h.
7695 * diagnostic.h (diagnostic_set_info): Add format attribute.
7696 * rtl-error.c (diagnostic_for_asm): Likewise.
7698 2005-07-23 Chao-ying Fu <fu@mips.com>
7700 * config/mips/mips-dsp.md: New file.
7701 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
7702 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
7704 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
7705 MIPS_BUILTIN_BPOSGE32.
7706 (mips_expand_builtin_direct): Add one parameter to indicate that
7707 builtin functions need to return a value.
7708 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
7710 (mips_regno_to_class): Add classes for 12 new DSP registers.
7711 (mips_subword): Change to check four HI registers.
7712 (mips_output_move): Output move to and from 6 new DSP accumulators.
7713 (override_options): Make sure -mdsp and -mips16 are not used together.
7714 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
7716 (mips_conditional_register_usage): Disable 6 new DSP accumulators
7718 (print_operand): Add 'q' for printing DSP accumulators.
7719 (mips_cannot_change_mode_class): Check ACC_REGS.
7720 (mips_secondary_reload_class): Check ACC_REGS.
7721 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
7722 (mips_register_move_cost): Check ACC_REGS.
7723 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
7724 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
7725 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
7726 (dsp_bdesc): New array.
7727 (bdesc_arrays): Add DSP builtin function table.
7728 (mips_prepare_builtin_arg): Check predicate again after
7730 (mips_expand_builtin): Add one more parameter to
7731 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
7732 MIPS_BUILTIN_BPOSGE32.
7733 (mips_init_builtins): Initialize new function types.
7734 (mips_expand_builtin_direct): Check if builtin functions need to
7735 return a value and pass operands properly.
7736 (mips_expand_builtin_bposge): New function.
7737 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
7738 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
7739 (FIRST_PSEUDO_REGISTER): Increase to 188.
7740 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
7741 Update for 12 new DSP registers.
7742 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
7743 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
7744 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
7745 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
7746 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
7747 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
7748 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
7749 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
7750 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
7751 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
7752 (REGISTER_NAMES): Add names for 12 new DSP registers.
7753 * config/mips/mips.md: Include mips-dsp.md.
7754 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
7755 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
7756 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
7757 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
7758 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
7759 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
7760 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
7761 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
7762 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
7763 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
7764 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
7765 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
7766 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
7767 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
7768 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
7769 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
7770 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
7771 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
7772 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
7773 (UNSPEC_RDDSP): New constants.
7774 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
7775 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
7777 * config/mips/mips.opt (-mdsp): New option.
7778 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
7779 (reg_imm10_operand): New predicates.
7780 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
7781 * doc/invoke.texi (-mdsp): Document new option.
7783 2005-07-22 DJ Delorie <dj@redhat.com>
7785 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
7787 * tree-inline.c (inlinable_function_p): Likewise.
7789 2005-07-22 Mark Mitchell <mark@codesourcery.com>
7792 * toplev.c (check_global_declarations): Do not mark undefined
7793 variables as DECL_IGNORED_P.
7794 * varasm.c (first_global_object_name): GTY it.
7795 (weak_global_object_name): Likewise.
7796 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
7797 a string to go into {weak,first}_global_object_name.
7799 2005-07-22 DJ Delorie <dj@redhat.com>
7801 * c-format.c (check_function_format): Change warning control
7802 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
7804 2005-07-22 Diego Novillo <dnovillo@redhat.com>
7806 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
7807 &PTR->FLD a dereference of PTR.
7808 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
7809 a potential dereference of PTR.
7811 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
7813 PR rtl-optimization/20370
7814 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
7815 call allocate_reg_info if necessary.
7817 PR rtl-optimization/21848
7818 * calls.c (emit_library_call_value_1): For const functions, add
7819 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
7821 PR rtl-optimization/22445
7822 * cselib.c (target.h): Include.
7823 (rtx_equal_for_cselib_p): Allow commutative matches.
7824 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
7825 Remove MODE parameter. Changed all callers.
7827 PR rtl-optimization/22258
7828 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
7830 (try_combine): Use likely_spilled_retval_p.
7832 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
7834 * config.gcc: Add crx-elf support.
7836 * doc/contrib.texi: Mention crx.
7837 * doc/extend.texi: Document crx extensions.
7838 * doc/install.texi: Document crx install.
7839 * doc/invoke.texi: Document crx options.
7840 * doc/md.texi: Document crx constraints.
7842 * config/crx/crx-protos.h: New file.
7843 * config/crx/crx.c: New file.
7844 * config/crx/crx.h: New file.
7845 * config/crx/crx.md: New file.
7846 * config/crx/crx.opt: New file.
7847 * config/crx/t-crx: New file.
7849 2005-07-22 Manfred Hollstein <mh@suse.com>
7851 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
7853 (int_add_graph_edge): Likewise.
7854 (collapse_nodes): Likewise.
7855 (process_unification_queue): Likewise.
7857 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7858 Laurent GUERBY <laurent@guerby.net>
7860 PR tree-optimization/22336
7861 * function.c (record_block_change): Check for
7862 cfun->ib_boundaries_block.
7864 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
7866 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
7867 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
7869 2005-07-21 DJ Delorie <dj@redhat.com>
7871 * toplev.c (warn_deprecated_use): Add warning control to warning
7873 * c-typeck.c (parser_build_binary_op): Likewise.
7874 (c_finish_if_stmt): Likewise.
7875 * c-common.c (check_function_sentinel): Likewise.
7876 (check_nonnull_arg): Likewise.
7878 2005-07-21 Richard Henderson <rth@redhat.com>
7881 * tree-complex.c (complex_ssa_name_components): New.
7882 (cvc_lookup): Allow entry not found.
7883 (create_components): Remove.
7884 (create_one_component_var, get_component_var): New.
7885 (get_component_ssa_name, set_component_ssa_name): New.
7886 (extract_component): Use get_component_ssa_name.
7887 (update_complex_components): Use set_component_ssa_name.
7888 (update_complex_components_on_edge): Likewise.
7889 (update_phi_components): Create new PHI nodes directly, instead
7890 of adding insns to edges.
7891 (tree_lower_complex): Allocate and free complex_variable_components
7892 and complex_ssa_name_components here.
7894 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
7896 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
7897 revert to returning false.
7899 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7902 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
7904 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7907 * config/i386/i386.md (cmpxf): Change operand constraints
7908 to "nonmemory_operand".
7910 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7912 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
7914 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7917 * fold-const.c (fold_build1): Add checksum for the operands.
7918 (fold_build2): Likewise.
7919 (fold_build3): Likewise.
7921 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7924 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
7926 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7928 * common.opt (-fforward-propagate): Committed by mistake,
7931 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7933 * reg-stack.c: Fix comment typo(s).
7934 * tree-ssa-operands.c: Likewise.
7935 * tree-vectorizer: Likewise.
7937 2005-07-21 Nick Clifton <nickc@redhat.com>
7939 * config/sh/symbian.c: Replace C++ style line comments with C
7940 style line comments.
7941 (symbian_add_attribute): Do not use a ? operator on the LHS of
7943 (sh_symbian_handle_dll_attribute): Change the type of the
7944 method vector to "VEC(tree,gc)*" and use vector accessor
7945 macros to walk over the elements.
7946 (symbian_export_vtable_and_rtti_p): Likewise.
7947 (symbian_class_needs_attribute_p): Likewise.
7949 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7952 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
7953 initialize targetm.resolve_overloaded_builtin here.
7954 (altivec_expand_overloaded_builtin): Make it non-static.
7955 * config/rs6000/rs6000-protos.h
7956 (altivec_expand_overloaded_builtin): New prototype.
7957 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
7958 targetm.resolve_overloaded_builtin here.
7959 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
7961 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7962 Zdenek Dvorak <dvorakz@suse.cz>
7964 PR tree-optimization/19210
7965 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
7967 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
7968 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
7969 rely on unproven assumptions.
7970 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
7971 * tree-flow.h (number_of_iterations_exit): Add final parameter.
7972 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
7973 to number_of_iterations_exit.
7974 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
7975 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
7976 * tree-ssa-loop-niter.c (find_loop_niter,
7977 estimate_numbers_of_iterations_loop): Likewise.
7978 (number_of_iterations_exit): Honor the new options.
7979 * doc/invoke.texi (Wunsafe-loop-optimizations,
7980 funsafe-loop-optimizations): Document them.
7982 2005-07-21 Richard Sandiford <richard@codesourcery.com>
7984 PR rtl-optimization/22167
7985 * gcse.c (hoist_code): Fix hoist_exprs[] check.
7987 2005-07-20 Adam Nemet <anemet@lnxw.com>
7989 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
7990 __do_global_dtors_aux longcall.
7992 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
7994 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
7995 (old_special_pred_table): Don't reference
7996 SPECIAL_MODE_PREDICATES.
7997 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
7998 * config/arc/arc.h: Don't mention PREDICATE_CODES.
7999 * config/sh/predicates.h: Don't mention
8000 SPECIAL_MODE_PREDICATES.
8001 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
8004 2005-07-20 DJ Delorie <dj@redhat.com>
8006 * config.gcc: Add m32c-elf support.
8008 * doc/contrib.texi: Mention m32c.
8009 * doc/extend.texi: Document m32c extensions.
8010 * doc/install.texi: Mention m32c.
8011 * doc/invoke.texi: Document m32c options.
8012 * doc/md.texi: Document m32c constraints.
8014 * config/m32c/addsub.md: New file.
8015 * config/m32c/bitops.md: New file.
8016 * config/m32c/cond.md: New file.
8017 * config/m32c/jump.md: New file.
8018 * config/m32c/m32c-lib1.S: New file.
8019 * config/m32c/m32c-lib2.c: New file.
8020 * config/m32c/m32c-modes.def: New file.
8021 * config/m32c/m32c-pragma.c: New file.
8022 * config/m32c/m32c-protos.h: New file.
8023 * config/m32c/m32c.abi: New file.
8024 * config/m32c/m32c.c: New file.
8025 * config/m32c/m32c.h: New file.
8026 * config/m32c/m32c.md: New file.
8027 * config/m32c/m32c.opt: New file.
8028 * config/m32c/minmax.md: New file.
8029 * config/m32c/mov.md: New file.
8030 * config/m32c/muldiv.md: New file.
8031 * config/m32c/predicates.md: New file.
8032 * config/m32c/prologue.md: New file.
8033 * config/m32c/shift.md: New file.
8034 * config/m32c/t-m32c: New file.
8036 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
8038 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8039 (stack_protect_set, stack_protect_test): New expanders.
8040 (stack_protect_set_si, stack_protect_set_si_media,
8041 stack_protect_set_di_media, stack_protect_test_si,
8042 stack_protect_test_si_media, stack_protect_test_di_media):
8045 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
8047 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
8049 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
8051 * tree.h (tree_expr_nonzero_p): Export.
8052 * fold-const.c (tree_expr_nonzero_p): Likewise.
8053 Return true for CALL_EXPRs that are alloca calls.
8054 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
8056 * tree-flow.h (expr_computes_nonzero): Remove.
8057 * tree-vrp.c (expr_computes_nonzero): Remove.
8058 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
8059 (extract_range_from_unary_expr): Likewise.
8060 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
8061 tree_expr_nonzero_p.
8063 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
8065 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
8066 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
8067 extra arg "picreg" and use it instead of pic_offset_table_rtx.
8068 All callers changed.
8069 (frame_related_constant_load): New arg "related" which controls
8070 setting of RTX_FRAME_RELATED_P. All callers changed.
8071 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
8072 (bfin_expand_prologue): Add stack limit checking.
8073 * config/bfin/bfin.md (trapifcc): New pattern.
8075 * config/bfin/bfin.c: Include "langhooks.h".
8076 (def_builtin): Go through lang_hooks to call builtin_function.
8078 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
8079 * config/bfin/predicates.md (symbol_ref_operand): New.
8080 (call_insn_operand): Delete. All callers changed to use
8081 register_no_elim_operand.
8082 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
8084 (function_arg): Use it to generate the call's operand 2.
8085 (bfin_longcall_p): New function.
8086 (bfin_expand_call): Extra arg "cookie". All callers and declaration
8087 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
8088 determine if the address needs to be in a REG.
8089 (bfin_handle_longcall_attribute): New function.
8090 (bfin_attribute_table): Add "longcall" and "shortcall".
8091 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
8092 (CUMULATIVE_ARGS): New member call_cookie.
8093 (PREDICATE_CODES): Add symbol_ref_operand.
8094 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
8095 extra USE to the pattern.
8096 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
8097 New patterns, split off call_insn, sibcall_insn, call_value_insn and
8098 sibcall_value_insn; now the new patterns handle direct calls and the
8099 old ones indirect calls.
8100 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
8102 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
8104 * doc/trouble.texi: Update section on handling of empty loops.
8106 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
8108 * config.gcc: Remove support for sparc-*-openbsd*,
8109 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
8111 * config.host: Remove support for i860-*-sysv4* as a host.
8112 * config/i860/*, config/ip2k/*, config/ns32k/*,
8113 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
8114 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
8115 mention obsolete ports.
8117 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
8119 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
8121 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
8122 of frame_pointer_rtx.
8123 (sh_expand_epilogue): Likewise.
8124 (sh_set_return_address): Likewise.
8125 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
8126 instead of FRAME_POINTER_REGNUM if needed. Add elimination
8127 offsets from FRAME_POINTER_REGNUM.
8128 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
8129 (sh_register_names): Add initializer for sfp.
8130 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
8131 (VALID_REGISTER_P): Likewise.
8132 (FIRST_PSEUDO_REGISTER): Update.
8133 (DWARF_FRAME_REGISTERS): Define.
8134 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
8135 (HARD_FRAME_POINTER_REGNUM): Define.
8136 (FRAME_POINTER_REGNUM): Redefine.
8137 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
8138 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
8139 from FRAME_POINTER_REGNUM.
8140 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
8141 FRAME_POINTER_REGNUM.
8142 (REG_CLASS_CONTENTS): Add sfp.
8143 (REG_ALLOC_ORDER): Likewise.
8144 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
8145 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
8146 of frame_pointer_rtx.
8147 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
8149 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
8151 * fold-const.c (tree_expr_nonnegative_p): Only return true for
8152 ABS_EXPR when flag_wrapv is false because of INT_MIN.
8153 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
8155 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
8158 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
8160 Make CONSTRUCTOR use VEC to store initializers.
8161 * c-common.c (complete_array_type): Update to cope with VEC in
8163 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
8164 (pp_c_constructor_elts): New function.
8165 * c-pretty-print.h (pp_c_constructor_elts): Declare.
8166 * c-typeck.c (build_function_call, build_c_cast, digest_init,
8167 struct constructor_stack, struct initializer_stack,
8168 constructor_elements, push_init_level, pop_init_level,
8169 add_pending_init, find_init_member, output_init_element): Update to
8170 cope with VEC in CONSTRUCTOR_ELTS.
8171 * coverage.c (build_fn_info_value, build_ctr_info_value,
8172 build_gcov_info): Likewise.
8173 * expr.c (categorize_ctor_elements_1, store_constructor,
8174 expand_expr_real_1): Likewise.
8175 * fold-const.c (fold_ternary): Likewise.
8176 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
8177 gimplify_init_constructor, gimplify_expr): Likewise.
8178 * tree-dump.c (dequeue_and_dump): Likewise.
8179 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
8181 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
8183 * tree-sra.c (generate_element_init_1): Likewise.
8184 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
8185 * tree-ssa-operands.c (get_expr_operands): Likewise.
8186 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
8187 * tree-vect-transform.c (vect_get_vec_def_for_operand):
8188 (get_initial_def_for_reduction): Likewise.
8189 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
8190 value handle in annotations.
8191 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
8192 tree_node_structure): Add support for constr_kind.
8193 (build_vector_from_ctor, build_constructor_single,
8194 build_constructor_from_list): New functions.
8195 (build_constructor): Update to take a VEC instead of a TREE_LIST.
8196 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
8197 Update to cope with VEC in CONSTRUCTOR_ELTS.
8198 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
8199 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
8200 CONSTRUCTOR_APPEND_ELT): New macros.
8201 (struct constructor_elt, struct tree_constructor): New data types.
8202 (union tree_node): Add tree_constructor field.
8203 * treestruct.def: Define TS_CONSTRUCTOR.
8204 * varasm.c (const_hash_1, compare_constant, copy_constant,
8205 compute_reloc_for_constant, output_addressed_constants,
8206 initializer_constant_valid_p, output_constant,
8207 array_size_for_constructor, output_constructor): Update to cope with
8208 VEC in CONSTRUCTOR_ELTS.
8209 * vec.h (VEC_empty, VEC_copy): New macros.
8211 2005-07-19 Devang Patel <dpatel@apple.com>
8213 * dbxout.c (dbxout_type): Check Objective-C++ lang.
8215 2005-07-19 Richard Henderson <rth@redhat.com>
8218 * gimplify.c (gimplify_expr): Use main variant type for the temp
8219 destination for a discarded volatile read.
8220 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
8221 casts between non-void types that change volatility.
8223 2005-07-15 DJ Delorie <dj@redhat.com>
8225 * toplev.h: Add comment about the first parameter for warning().
8226 * errors.h: Likewise.
8228 * c.opt (Wpragmas): New.
8229 * doc/invoke.texi: Document it.
8231 * function.c (do_warn_unused_parameter): Add warning control to
8233 * c-decl.c (warn_if_shadowing): Likewise.
8234 * c-lex.c (cb_def_pragma): Likewise.
8235 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
8236 (pop_alignment): Likewise.
8237 (handle_pragma_pack): Likewise.
8238 (apply_pragma_weak): Likewise.
8239 (handle_pragma_weak): Likewise.
8240 (handle_pragma_redefine_extname): Likewise.
8241 (add_to_renaming_pragma_list): Likewise.
8242 (handle_pragma_extern_prefix): Likewise.
8243 (maybe_apply_renaming_pragma): Likewise.
8244 (handle_pragma_visibility): Likewise.
8246 * config/c4x/c4x-c.c (BAD): Likewise.
8247 (c4x_parse_pragma): Likewise.
8248 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
8249 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
8250 (rs6000_pragma_longcall): Likewise.
8251 * config/v850/v850-c.c (pop_data_area): Likewise.
8252 (ghs_pragma_section): Likewise.
8253 (ghs_pragma_section): Likewise.
8254 (ghs_pragma_interrupt): Likewise.
8255 (ghs_pragma_starttda): Likewise.
8256 (ghs_pragma_startsda): Likewise.
8257 (ghs_pragma_startzda): Likewise.
8258 (ghs_pragma_endtda): Likewise.
8259 (ghs_pragma_endsda): Likewise.
8260 (ghs_pragma_endzda): Likewise.
8262 2005-07-19 Danny Berlin <dberlin@dberlin.org>
8263 Kenneth Zadeck <zadeck@naturalbridge.com>
8265 * Makefile.in: Removed tree-promote-statics.c
8266 * tree-promote-statics.c: Removed.
8267 * common.opt: Removed flag-promote-statics.
8269 * passes.c: Removed tree-promote-statics pass.
8270 * tree-pass.h: Ditto.
8271 * timevar.def: Removed TV_PROMOTE_STATICS.
8274 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
8276 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
8278 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
8280 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8283 * c-common.c (check_function_arguments): Call
8284 'check_function_format' if either -Wformat or
8285 -Wmissing-format-attribute are specified.
8286 * c-format.c (check_function_format): Check -Wformat before
8287 calling 'check_format_info'.
8288 * c-opts.c (c_common_post_options): Don't warn for
8289 -Wmissing-format-attribute without -Wformat.
8290 * c-typeck.c (convert_for_assignment): Detect additional cases for
8291 -Wmissing-format-attribute.
8292 * doc/invoke.texi (-Wmissing-format-attribute): Document new
8295 2005-07-19 Richard Guenther <rguenther@suse.de>
8297 * config/i386/i386.md (lrint<mode>2): Use temporary
8298 instead of clobbering non-existent memory.
8300 2005-07-19 Nick Clifton <nickc@redhat.com>
8302 * config/avr/avr.c (legitimate_address_p): Fix debugging print
8303 statement to avoid displaying ASCII control characters.
8305 2005-07-19 Ben Elliston <bje@au.ibm.com>
8307 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
8308 * cfganal.c (find_edge_index): Ditto.
8309 * combine.c (combine_instructions): Ditto.
8310 * ddg.c (create_scc): Ditto.
8311 (find_successors): Ditto.
8312 (find_predecessors): Ditto.
8313 (find_nodes_on_paths): Ditto.
8314 (longest_simple_path): Ditto.
8315 * flow.c (update_life_info): Ditto.
8316 (count_or_remove_death_notes): Ditto.
8317 (clear_log_links): Ditto.
8318 * modulo-sched.c (generate_reg_moves): Ditto.
8319 (find_max_asap): Ditto.
8320 (find_max_hv_min_mob): Ditto.
8321 (find_max_dv_min_mob): Ditto.
8322 * sbitmap.c (sbitmap_first_set_bit): Ditto.
8323 * sched-rgn.c (extract_edgelst): Ditto.
8324 * tree-into-ssa.c (prepare_names_to_update): Ditto.
8325 (dump_update_ssa): Ditto.
8326 (ssa_names_to_replace) Ditto.
8327 (switch_virtuals_to_full_rewrite): Ditto.
8328 (update_ssa): Ditto.
8329 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
8331 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
8333 Fix PR tree-optimization/22483
8335 * tree-complex.c (create_components): Use
8336 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
8337 * tree-flow-inline.h (fill_referenced_var_vec): New function.
8338 * tree-flow.h (safe_referenced_var_iterator): New structure.
8339 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
8340 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
8341 safe_referenced_var iterator.
8342 (add_type_alias): Ditto.
8344 2005-07-19 Steven Bosscher <stevenb@suse.de>
8346 * loop-init.c (rest_of_handle_loop2): Remove.
8347 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
8348 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
8349 (pass_rtl_loop_init, pass_rtl_loop_done,
8350 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
8351 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
8352 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
8353 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
8354 pass_tree_loop_done, and pass_tree_unswitch.
8355 (gate_loop): Rename to gate_tree_loop.
8356 * passes.c (init_optimization_passes): Update for renamed tree
8357 loop passes. Add the new loop2 passes as subpasses of loop2.
8358 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
8359 Update for the renamed tree loop passes.
8361 2005-07-18 Ian Lance Taylor <ian@airs.com>
8364 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
8365 blocks when optimizing.
8367 2005-07-18 Steve Ellcey <sje@cup.hp.com>
8369 * common.opt (frename-registers): Initialize to 2.
8371 (fgcse-after-reload): Ditto.
8372 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
8373 (process_options): Only change flag_web, flag_rename_registers,
8374 and flag_rerun_cse_after_loop if not explicitly set by user.
8376 2005-07-18 Jan Beulich <jbeulich@novell.com>
8378 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
8379 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
8380 in 64-bit mode the same as DImode in 32-bit mode.
8381 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
8382 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
8383 mode. Add new mode parameter.
8384 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
8385 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
8386 x86_64_shift_adj): New expanders.
8387 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
8388 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
8390 Respective new splitters. Use renamed shift splitter helpers in 32-bit
8391 DImode shift splitters.
8392 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
8393 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
8396 2005-07-18 Jan Beulich <jbeulich@novell.com>
8398 * i386.md (movdi_extzv_1): New.
8399 (zero_extendhidi2): Combine alternatives and never force use of
8401 (zero_extendqidi2): Likewise. Don't restrict input selection.
8403 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8405 Fix PR tree-optimization/22531
8406 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
8409 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8411 * tree-promote-statics.c (pass_promote_statics): Change dump file
8414 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8416 * tree-optimize.c (init_tree_optimization_passes): Add
8417 pass_eliminate_useless_stores pass.
8418 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
8419 * tree-ssa-pre.c (is_copy_stmt): New function.
8420 (follow_copies_till_vuse): Ditto.
8421 (do_eustores): Ditto.
8422 (gate_eustores): Ditto.
8424 2005-07-16 Richard Henderson <rth@redhat.com>
8426 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
8428 2005-07-16 Danny Berlin <dberlin@dberlin.org>
8429 Kenneth Zadeck <zadeck@naturalbridge.com>
8431 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
8432 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
8433 ipa-type-escape.h, tree-promote-statics.c
8434 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
8435 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
8436 tree-promote-statics.c: new files.
8437 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
8438 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
8439 int nonlocal_set_p, mark_constant_function): Deleted.
8440 (rest_of_handle_cfg): Removed call to mark_constant_function.
8441 (nonoverlapping_component_refs_p): Added calls to support
8442 type based aliasing.
8443 * tree-ssa-alias.c (may_alias_p,
8444 compute_flow_insensitive_aliasing): Ditto.
8445 * calls.c (flags_from_decl_or_type): Removed reference to
8447 * c-typeck.c (convert_arguments): Make builtins tolerant of having
8448 too many arguments. This is necessary for Spec 2000.
8449 * cgraph.h (const_function, pure_function): Removed.
8450 * common.opt: Added "fipa-pure-const", "fipa-reference",
8451 "fipa-type-escape", and "ftree-promote-static".
8453 * passes.c: Added ipa and tree-promote-statics passes.
8454 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
8455 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
8456 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
8457 * tree-flow.h: Added exposed sra calls and addition of
8458 reference_vars_info field for FUNCTION_DECLS.
8459 * tree-pass.h: Added passes.
8460 * tree-sra.c: (sra_init_cache): New function.
8461 (sra_insert_before, sra_insert_after) Made public.
8462 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
8464 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
8465 aliasing. (may_alias_p): Added code to use type escape analysis to
8467 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
8468 code to prune clobbers of static variables based on information
8469 produced in ipa-reference pass. Changed call clobbering so that
8470 statics are not marked as clobbered if the call does not clobber
8473 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
8475 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
8478 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8480 * doc/install.texi (*-*-solaris2*): Document recommended version
8481 of GNU binutils and mention GNU linker problem on Solaris 10.
8483 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
8486 * c-decl.c (c_build_bitfield_integer_type): New function.
8487 (finish_struct): Call it.
8488 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
8490 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8492 * c-typeck.c (digest_init): Call 'convert_for_assignment'
8495 2005-07-16 Jan Hubicka <jh@suse.cz>
8497 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
8498 (scale_bbs_frequencies_int): Watch roundoff errors.
8499 * predict.c (return_prediction): Initialize return_stmt.
8501 2005-07-16 Jan Hubicka <jh@suse.cz>
8503 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
8504 after RTL profiling.
8506 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
8509 * fold-const.c (build_range_check): Convert high/low to etype
8510 if we are only comparing against exp.
8512 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
8514 Fix PR tree-optimization/22376
8515 * tree-ssa-structalias.c (build_constraint_graph): We really meant
8517 (need_to_solve): New function.
8518 (compute_points_to_sets): Use it.
8520 2005-07-15 Jan Hubicka <jh@suse.cz>
8522 * cfg.c (update_bb_profile_for_threading): More diagnostic.
8523 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
8525 2005-07-15 Richard Guenther <rguenther@suse.de>
8527 * c-common.c (handle_flatten_attribute): New function.
8528 Add flatten function attribute.
8529 * doc/extend.texi: Document flatten function attribute.
8530 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
8531 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8533 (cgraph_decide_inlining): Handle functions with flatten
8536 2005-07-14 David Edelsohn <edelsohn@gnu.org>
8538 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
8539 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
8540 UNSPEC_XCHG, UNSPEC_AND): New.
8541 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
8542 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
8543 * config/rs6000/sync.md (FETCHOP): New code macro.
8544 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
8546 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
8547 (sync_compare_and_swap<mode>): Same.
8548 (sync_lock_test_and_set<mode>): Same.
8549 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
8550 for QImode and HImode, and not PPC405.
8551 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
8552 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
8553 (sync_<fetchop>{si,di}_internal): New.
8554 (sync_nand{si,di}_internal): New.
8555 (sync_old_<fetchop>{si,di}_internal): New.
8556 (sync_old_nand{si,di}_internal): New
8557 (sync_new_<fetchop>{si,di}_internal): New.
8558 (sync_new_nand{si,di}_internal): New.
8559 (atomic_and{si,di}): New.
8560 (sync_new_nand{si,di}_internal): New.
8561 (atomic_and{si,di}): New.
8562 (sync_add<mode>_internal): Delete.
8563 (sync_addshort_internal): Use unspec instead of unspec_volatile.
8564 (sync_sub<mode>_internal): Delte.
8565 (sync_subshort_internal): New.
8566 (sync_andsi_internal): Use unspec instead of unspec_volatile.
8567 (sync_anddi_internal): Delete.
8568 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
8569 (sync_booldi_internal): Delete.
8570 (sync_boolc<mode>_internal): Delete.
8571 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
8572 (sync_boolc<mode>_internal2): Delete.
8573 (sync_boolcc<mode>_internal): Delete.
8574 (isync, lwsync): Use unspec instead of unspec_volatile.
8575 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
8576 Revert UNSPEC_VOLATILE.
8577 (rs6000_split_atomic_op): New.
8578 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
8580 2005-07-14 Eric Christopher <echristo@redhat.com>
8582 * config/mips/mips.c (mips_canonicalize_comparison): Cast
8583 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
8585 2005-07-14 Eric Christopher <echristo@redhat.com>
8587 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
8589 2005-07-14 Steven Bosscher <stevenb@suse.de>
8591 PR tree-optimization/22230
8592 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
8593 the computation of the four cross productions for "range op range".
8595 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
8596 Ulrich Weigand <uweigand@de.ibm.com>
8599 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
8602 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8604 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
8606 2005-07-14 Steve Ellcey <sje@cup.hp.com>
8608 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
8610 2005-07-14 Richard Guenther <rguenther@suse.de>
8613 * config/i386/i386-protos.h (ix86_function_value): Change
8614 prototype to match new target hook.
8615 * config/i386/i386.c (ix86_value_regno): Change prototype
8616 to take extra type argument.
8617 (TARGET_FUNCTION_VALUE): Define.
8618 (ix86_function_ok_for_sibcall): Pass extra argument to
8619 ix86_value_regno, check return slot rtx for exact match.
8620 (ix86_function_value): Take extra parameter. Dispatch to
8621 ix86_value_regno with fndecl/fntype as provided.
8622 (ix86_value_regno): Handle extra type argument.
8623 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
8625 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
8626 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
8627 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
8628 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
8629 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
8631 2005-07-14 Richard Guenther <rguenther@suse.de>
8633 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
8634 * calls.c (expand_call): Pass fntype to hard_function_value.
8635 (emit_library_call_value_1): Likewise.
8636 * explow.c: Include target.h.
8637 (hard_function_value): Take extra argument, the fntype.
8638 Use new target hook for function_value.
8639 * expr.h (hard_function_value): Change prototype.
8640 * function.c (aggregate_value_p): Pass 0 as fntype to
8641 hard_function_value.
8642 (assign_parms): Use new target hook for function_value.
8643 Pass 0 as fntype to hard_function_value.
8644 (expand_function_end): Likewise.
8645 * reg-stack.c: Include target.h.
8646 (stack_result): Use new target hook for function_value.
8647 * target-def.h: New target hook function_value.
8648 * target.h: Likewise.
8649 * targhooks.c (default_function_value): New function.
8650 * targhooks.h (default_function_value): Declare.
8652 2005-07-13 Ian Lance Taylor <ian@airs.com>
8654 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
8656 2005-07-14 Jan Hubicka <jh@suse.cz>
8658 * tree-dfa.c (dump_variable): Use default_def function.
8659 * tree-ssa-alias.c (dump_points_to_info): Likewise.
8660 * tree-ssa.c (verify_use): Likewise.
8661 * tree-ssanames.c (release_ssa_name): Likewise.
8662 * tree-tailcall.c (eliminate_tail_call): Likewise.
8663 (tree_optimize_tail_calls_1): Likewise.
8664 * tree-vrp.c (get_value_range): Likewise.
8666 2005-07-14 Ben Elliston <bje@au.ibm.com>
8668 * gcc.c (main): Compare language[0] with '*' when iterating over
8671 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8673 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
8674 "s390_emit_compare". Add handling of CCZ1mode.
8675 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
8676 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
8678 (s390_branch_condition_mask): Add CCZ1mode handling.
8679 * config/s390/s390.md: ("seq", "*seq"): New pattern.
8680 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
8681 Use CCZ1mode instead of CCZmode.
8682 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
8684 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8686 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
8688 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
8690 2005-07-13 Eric Christopher <echristo@redhat.com>
8692 * config/mips/mips.c (mips_canonicalize_comparison): New.
8693 (mips_emit_int_relational): Use.
8695 2005-07-13 Eric Christopher <echristo@redhat.com>
8697 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8699 * config/s390/s390.md: Include tpf.md. Move tpf specific
8701 * config/s390/tpf.md: To here.
8702 * config/s390/s390.opt: Move tpf specific options...
8703 * config/s390/tpf.opt: to here. Add mmain option.
8704 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8705 * config/s390/tpf.h: Rewrite.
8707 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8709 * doc/tm.texi: Remove @xref{Cross-profiling}.
8711 2005-07-13 Jeff Law <law@redhat.com>
8713 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
8714 expressions, test their _DECL operands for pointer equality rather
8715 than using operand_equal_p.
8717 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8719 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
8720 (TARGET_POSIX_IO): This.
8721 * config/darwin.h: Likewise.
8722 * config/freebsd.h: Likewise.
8723 * config/linux.h: Likewise.
8724 * config/lynx.h: Likewise.
8725 * config/netbsd.h: Likewise.
8726 * config/rs6000/linux64.h: Likewise.
8727 * config/rs6000/linux.h: Likewise.
8728 * config/s390/tpf.h: Likewise.
8729 * config/sh/embed-elf.h: Likewise.
8730 * config/sparc/linux64.h: Likewise.
8731 * config/sparc/linux.h: Likewise.
8732 * config/svr4.h: Likewise.
8733 * gcov-io.h: Likewise.
8735 * doc/tm.texi: Updated.
8737 * libgcov.c (create_file_directory): Defined only if
8738 TARGET_POSIX_IO is defined.
8739 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
8742 2005-07-13 Jan Hubicka <jh@suse.cz>
8744 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
8746 2005-07-13 David Edelsohn <edelsohn@gnu.org>
8748 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
8749 structure as argument.
8751 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
8753 PR tree-optimization/21921
8754 * tree-iterator.c (tsi_link_before): Support the case when
8755 tsi_end_p (tsi) == true.
8757 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8759 PR tree-optimization/22442
8760 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
8763 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8765 PR rtl-optimization/20376
8766 * toplev.c (process_options): Enable -fweb and -frename-registers when
8768 * doc/invoke.texi: Update the information about when -fweb and
8769 -frename-registers are enabled.
8771 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8774 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
8775 if *rhs_p is not a SSA_NAME.
8777 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
8779 Fix PR tree-optimization/22422
8780 * tree-ssa-structalias.c (struct variable_info): Add flag for
8782 (get_varinfo): Now a static function.
8783 (new_varinfo): init has_union and is_special_var to false.
8784 (solution_set_add): Check has_union.
8785 (do_da_constraint): Move temporary variable so it gets reset
8787 Also check for special variable.
8788 (do_ds_constraint): Ditto.
8789 (do_sd_constraint): Ditto.
8790 (do_structure_copy): Check for special variable.
8791 (find_func_aliases): Ditto.
8792 (init_base_vars): Set special vars properly.
8794 2005-07-13 Jan Hubicka <jh@suse.cz>
8796 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
8799 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
8800 (get_expr_operands): Fix thinko wrt flags and subvars.
8802 PR tree-optimize/22379
8803 * tree-inline.c (expand_call_inline): Do not output sorry in early
8806 2005-07-12 Dale Johannesen <dalej@apple.com>
8808 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
8810 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8813 * host-linux.h: Include limits.h.
8815 2005-07-12 Dale Johannesen <dalej@apple.com>
8817 * expr.c (compress_float_constant): Add cost check.
8818 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
8820 2005-07-12 Dale Johannesen <dalej@apple.com>
8822 * gcc.target/i386/compress-float-sse.c: New.
8823 * gcc.target/i386/compress-float-sse-pic.c: New.
8824 * gcc.target/i386/compress-float-387.c: New.
8825 * gcc.target/i386/compress-float-387-pic.c: New.
8826 * gcc.dg/compress-float-ppc.c: New.
8827 * gcc.dg/compress-float-ppc-pic.c: New.
8829 2005-07-12 Eric Christopher <echristo@redhat.com>
8831 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8833 * config/s390/s390.md: Include tpf.md. Move tpf specific
8835 * config/s390/tpf.md: To here.
8836 * config/s390/s390.opt: Move tpf specific options...
8837 * config/s390/tpf.opt: to here. Add mmain option.
8838 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8839 * config/s390/tpf.h: Rewrite.
8841 2005-07-12 Eric Christopher <echristo@redhat.com>
8843 * gcc.c (struct infile): Update comment for language.
8844 (main): Rewrite input file resetting code.
8846 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8849 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
8850 requiring a cast in a non RHS of modify_expr. Add a cast when required.
8851 (lookup_avail_expr): Use constant_boolean_node instead
8852 of boolean_false_node/boolean_true_node.
8854 2005-07-12 Ben Elliston <bje@au.ibm.com>
8856 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
8857 and use it when printing num_edges.
8859 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
8861 * doc/extend.texi (Blackfin Built-in Functions): New section.
8862 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
8865 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
8867 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
8868 s/cmpstrsi/cmpstrnsi
8869 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
8871 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
8872 (init_optabs): Initialize cmpstrn_optab.
8873 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
8874 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
8875 * expr.c: (enum insn_code cmpstrn_optab): Declare.
8876 * config/i386/i386.md: s/cmpstr/cmpstrn
8877 * config/c4x/c4x.md: s/cmpstr/cmpstrn
8878 * doc/md.texi: Update documentation.
8880 2005-07-11 Richard Henderson <rth@redhat.com>
8882 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
8883 build_va_arg_indirect_ref.
8884 (alpha_gimplify_va_arg): Likewise.
8885 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
8886 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8887 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
8888 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
8889 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8890 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
8892 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8894 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8896 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
8897 * passes.c (init_optimization_passes): Add pass_empty_loop.
8898 * tree-pass.h (pass_empty_loop): Declare.
8899 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
8900 try_remove_empty_loop, remove_empty_loops): New functions.
8901 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
8902 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
8904 2005-07-12 Peter Barada <peter@the-baradas.com>
8908 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
8909 in address registers.
8910 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
8911 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
8912 alternative of addsi3_5200.
8914 2005-07-11 Ian Lance Taylor <ian@airs.com>
8916 * config/mips/mips.md (ffs<mode>2): Remove.
8918 2005-07-11 Ian Lance Taylor <ian@airs.com>
8920 * doc/tree-ssa.texi (Cleanups): Improve description of
8922 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
8924 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8926 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
8927 * tree.h (DECL_ARGUMENT_FLD): New macro.
8929 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8931 Fix PR tree-optimization/22404
8933 * tree-ssa-structalias.c (create_variable_info_for): Use
8936 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
8938 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
8939 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
8940 for second comparison operand.
8941 * config/bfin/predicates.md (reg_or_const_int_operand): New.
8943 * config/bfin/bfin.md (define_attr "type"): Add "sync".
8944 (define_insn_reservation "alu"): Likewise.
8945 (csync, ssync): Now of type sync.
8946 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
8947 -mcsync-anomaly -mspecld-anomaly.
8948 * config/bfin/bfin.opt (mcsync): Remove.
8949 (mcsync-anomaly, mspecld-anomaly): Add.
8950 * config/bfin/bfin.c: Include "insn-codes.h".
8951 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
8952 (TARGET_DEFAULT_TARGET_FLAGS): New.
8953 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
8955 2005-07-11 Steven Bosscher <stevenb@suse.de>
8957 * basic-block.h: Give the BB flags enum a name, bb_flags.
8958 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
8959 * cfgcleanup.c (enum bb_flags): Remove here.
8960 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
8961 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
8962 (update_forwarder_flag): Likewise.
8963 (thread_jump): Likewise.
8964 (try_forward_edges): Likewise.
8965 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
8966 forwarder flags. Don't clear bb->aux for all basic blocks. Only
8967 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
8969 2005-07-11 Richard Guenther <rguenther@suse.de>
8971 * config/i386/i386.opt: New target option -msseregparm.
8972 * config/i386/i386.c (override_options): Error out for
8973 -msseregparm but no SSE support.
8974 (ix86_function_sseregparm): Check for global sseregparm.
8975 * doc/invoke.texi: Document -msseregparm.
8977 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8979 * config.gcc (m32r-*-linux*): Use the default extra_parts.
8980 (m32rle-*-linux*): Ditto.
8982 2005-07-11 Jakub Jelinek <jakub@redhat.com>
8984 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
8985 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
8988 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8992 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
8993 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
8995 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
8997 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
8998 (varmap): Heapify varmap.
8999 (constraints): Heapify constraints.
9000 (struct constraint_graph): Heapify succs and preds.
9001 (constraint_vec_find): Update for heapification.
9002 (constraint_set_union): Ditto.
9003 (insert_into_complex): Ditto.
9004 (constraint_edge_vec_find): Ditto.
9005 (erase_graph_self_edge): Ditto.
9006 (add_graph_edge): Ditto.
9007 (get_graph_weights): Ditto.
9008 (merge_graph_nodes): Ditto.
9009 (build_constraint_graph): Ditto.
9010 (topo_visit): Ditto.
9011 (solve_graph): Ditto.
9012 (create_variable_info_for): Ditto.
9013 (init_base_vars): Ditto.
9014 (delete_points_to_sets): Free graph, varmap, and complex constraints.
9015 (condese_varmap_nodes): Free complex vector.
9016 (clear_edges_for_node): Clear succs and preds vector.
9018 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
9020 * tree-ssa-structalias.c (update_alias_info): Change counting of
9021 references to not include vdefs.
9023 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
9025 * tree-ssa-alias.c (free_used_part_map): Add missing free.
9028 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9030 * pa.c (pa_commutative_p): Make PLUS commutative when
9031 TARGET_NO_SPACE_REGS is true.
9033 2005-07-09 Diego Novillo <dnovillo@redhat.com>
9035 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
9036 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
9037 * tree-dfa.c (dump_subvars_for): New.
9038 (debug_subvars_for): New.
9039 (dump_variable): Show subvariables if VAR has them.
9040 * tree-flow-inline.h (get_subvar_at): New.
9041 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
9042 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
9044 (struct subvar): Change fields offset and size to unsigned
9046 (dump_subvars_for): Declare.
9047 (debug_subvars_for): Declare.
9048 (get_subvar_at): Declare.
9049 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
9050 to unsigned HOST_WIDE_INT *.
9051 (overlap_subvar): Likewise.
9052 * tree-gimple.c (is_gimple_reg): Always return false for
9053 SFTs and memory tags.
9054 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
9056 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
9057 (compute_may_aliases): Call compute_points_to_sets.
9058 (collect_points_to_info_for): Remove.
9059 (compute_points_to_and_addr_escape): Remove.
9060 (delete_alias_info): Call delete_points_to_sets.
9061 (compute_flow_sensitive_aliasing): If the call to
9062 find_what_p_points_to returns false, call set_pt_anything.
9063 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
9064 (set_pt_anything): Clear pi->pt_vars.
9065 (set_pt_malloc): Remove.
9066 (merge_pointed_to_info): Remove.
9067 (add_pointed_to_expr): Remove.
9068 (add_pointed_to_var): Remove.
9069 (collect_points_to_info_r): Remove.
9070 (is_escape_site): Make extern.
9072 (create_overlap_variables_for): Call it.
9073 * tree-ssa-copy.c (merge_alias_info): Never merge
9074 flow-sensitive alias information.
9075 * tree-ssa-operands.c (get_expr_operands): Adjust variables
9076 offset and size to be unsigned HOST_WIDE_INT.
9077 (add_to_addressable_set): Rename from note_addressable.
9078 Set TREE_ADDRESSABLE as the variables are added to the set.
9080 (add_stmt_operand): Do not try to micro-optimize unmodifiable
9081 operands into VUSEs when adding V_MAY_DEFs for members in an
9083 * tree-ssa-operands.h (add_to_addressable_set): Declare.
9084 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
9085 (struct variable_info): Add bitfield is_heap_var.
9086 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
9087 (new_var_info): Initialize is_heap_var.
9088 (get_constraint_for): Add HEAP variables to the symbol table.
9089 Mark them with is_heap_var.
9090 (update_alias_info): New. Taken mostly from the old
9091 compute_points_to_and_addr_escape.
9092 (handle_ptr_arith): New.
9093 (find_func_aliases): Call update_alias_info.
9094 Call handle_ptr_info for tcc_binary expressions.
9095 Call mark_stmt_modified.
9096 (create_variable_info_for): If DECL has subvars, do not create
9097 variables for its subvars. Always add all the fields.
9098 (set_uids_in_ptset): If the solution includes ANYOFFSET and
9099 SFTs, then add all the SFTs of the structure.
9100 If VI->DECL is an aggregate with subvariables, add the SFT at
9102 (find_what_p_points_to): If VI is an artificial variable,
9103 translate to bitfields in SSA_NAME_PTR_INFO.
9104 If the solution is empty, set pi->pt_vars to NULL
9105 (init_base_vars): Create ANYOFFSET.
9106 (compute_points_to_sets): Rename from create_alias_vars.
9108 (pass_build_pta): Remove.
9109 (delete_points_to_sets): Rename from delete_alias_vars.
9110 (pass_del_pta): Remove.
9111 * tree-ssa-structalias.h (struct alias_info): Move from
9113 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
9114 NUM_REFERENCES_SET): Likewise.
9115 (compute_points_to_sets, delete_points_to_sets): Declare.
9117 2005-07-09 Richard Henderson <rth@redhat.com>
9119 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
9120 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
9121 alpha_split_lock_test_and_set_12): New functions.
9122 * config/alpha/alpha-protos.h: Update.
9123 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
9124 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
9125 * config/alpha/sync.md (I12MODE): New.
9126 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
9127 (sync_<fetchop_name><I48MODE>): Likewise.
9128 (sync_nand<I48MODE>): Likewise.
9129 (sync_old_<fetchop_name><I48MODE>): Likewise.
9130 (sync_new_<fetchop_name><I48MODE>): Likewise.
9131 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
9132 (sync_compare_and_swap<I48MODE>): Likewise.
9133 (sync_lock_test_and_set<I48MODE>): Likewise.
9134 (sync_compare_and_swap<I12MODE>): New.
9135 (sync_compare_and_swap<I12MODE>_1): New.
9136 (sync_lock_test_and_set<I12MODE>): New.
9137 (sync_lock_test_and_set<I12MODE>_1): New.
9139 2005-07-09 Diego Novillo <dnovillo@redhat.com>
9143 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
9145 2005-07-09 Jakub Jelinek <jakub@redhat.com>
9147 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
9148 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
9150 2005-07-09 Richard SAndiford <richard@codesourcery.com>
9153 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
9155 2005-07-08 David Edelsohn <edelsohn@gnu.org>
9157 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
9158 memory_operand constraint.
9159 (store_conditional_<mode>): Same.
9160 (sync_compare_and_swap<mode>): Same.
9161 (sync_lock_test_and_set<mode>): Same.
9163 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
9165 Rewrite PIC support to more closely model actual instructions.
9166 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
9167 (cris_symbol): Remove prototypes for removed functions.
9168 (cris_pic_symbol_type_of, cris_valid_pic_const)
9169 (cris_expand_pic_call_address): Prototypes for new functions.
9170 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
9172 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
9174 <case ':'>: Add case for new punctuation character.
9175 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
9176 emitting (extra) PIC modifier.
9177 <case UNSPEC>: Do not assert for PLT.
9178 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
9179 (cris_expand_prologue, cris_expand_epilogue): Check
9180 for pic_offset_table_rtx usage instead of taking
9181 current_function_uses_pic_offset_table as the final word.
9182 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
9183 Remove flag_pic difference.
9184 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
9185 the moral equivalents of...
9186 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
9188 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
9189 (cris_handle_option): Mark ARG as unused.
9190 (cris_expand_pic_call_address): New worker function for "call",
9192 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
9193 output PIC constructs here.
9194 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
9195 as symbol-specific modifers, not whole or part of operands.
9196 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
9197 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
9198 constants and flag_pic.
9199 (CONSTANT_INDEX_P): Adjust for new functions.
9200 (enum cris_pic_symbol_type): New helper type.
9201 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
9202 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
9203 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
9205 ("movsi"): Emit actual instructions for GOT and relative access.
9206 ("*movsi_got_load"): New pattern to set up the register holding
9208 ("*movsi_internal"): Operand 1 is not a plain general_operand.
9209 Adjust FIXME for 'S'.
9210 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
9211 Use "movs" for -fpic cases.
9212 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
9213 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
9214 ("call", "call_value"): Just call cris_expand_pic_call_address for
9216 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
9217 Remove special pattern.
9218 ("*expanded_call_side", "*expanded_call_value_side"): New
9220 (gotplt-to-plt, gotplt-to-plt-side-call)
9221 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
9223 * config/cris/cris/predicates.md
9224 ("cris_general_operand_or_gotless_symbol"): Remove unused
9226 ("cris_general_operand_or_symbol"): Adjust for new functions.
9228 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9230 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
9232 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
9234 * Makefile.in (TREE_H): Add treestruct.def.
9235 (c-decl.o): Add pointer-set.h
9236 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
9237 visibility on regular DECL's.
9238 (merge_decls): Fix the copying of decl nodes of various types for
9239 the new structures. Don't update RTL, section name, weak status,
9240 etc, on DECL's without RTL.
9241 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
9242 Don't check volatile on non-variable types.
9243 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
9244 to check whether we have seen arguments.
9245 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
9246 flag is checked before field (flag is common, field is not).
9247 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
9248 TS_DECL_COMMON could have an origin.
9249 (add_location_or_const_value_attribute): Don't check section name
9250 on non-var/function decls.
9251 (dwarf2out_var_location): Reverse order of tests.
9252 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
9253 with DECL_WRTL_CHECK.
9254 * expmed.c (make_tree): rtl is now in decl_with_rtl.
9255 * fold-const.c (fold_binary): Don't check weakness on
9256 non-var/function decls.
9257 (tree_expr_nonzero_p): Ditto.
9258 (fold_checksum_tree): Use tree_decl_extra as sizeof
9260 * ggc-page.c (extra_order_size_table): Add sizes for
9261 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
9263 * gimplify.c (gimplify_bind_expr): Only set
9264 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
9265 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
9267 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
9268 * langhooks.h (init_ts). New langhook.
9269 * passes.c (rest_of_decl_compilation): Reverse order of tests.
9270 * print-tree.c (print_node): Update to only print fields that
9271 exist in the structures the passed decl has.
9272 * toplev.c (wrapup_global_declarations): Don't reset
9273 DECL_DEFER_OUTPUT on DECL's that don't contain it.
9274 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
9275 * tree-inline.c (remap_decl): Ditto.
9276 * tree-outof-ssa.c (create_temp): Reverse order of tests.
9277 * tree-pretty-print.c (print_declaration): Don't print
9278 DECL_REGISTER on things that don't contain it.
9279 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
9280 non-var/function decls.
9281 * tree.c (tree_contains_struct): New structure.
9282 (init_priority_for_decl): New hashtable.
9283 (tree_int_map): New structure.
9284 (tree_int_map_eq): New function.
9285 (tree_int_map_marked_p): Ditto.
9286 (tree_int_map_hash): Ditto.
9287 (tree_map): Move to tree.h.
9288 (tree_map_eq): Externalize.
9289 (tree_map_hash): Ditto.
9290 (tree_map_marked_p): Ditto.
9291 (init_ttree): Set up tree_contains_struct and call langhook.
9292 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
9293 (tree_code_size): Update for new structures.
9294 (tree_node_structure): Update for new structures.
9295 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
9297 (copy_node_stat): Copy init priority.
9298 (build_decl_stat): Ditto for visibility.
9299 (ts_enum_names): New.
9300 (tree_contains_struct_check_failed): New function.
9301 (decl_init_priority_lookup): Ditto.
9302 (decl_init_priority_insert): Ditto.
9303 * treestruct.def: New file.
9304 * tree.h (CODE_CONTAINS_STRUCT): New macro.
9305 (CONTAINS_STRUCT_CHECK): Ditto.
9306 (tree_contains_struct_check_failed): New prototype.
9307 (DECL_CHECK): Removed.
9308 (DECL_MINIMAL_CHECK): New.
9309 (DECL_COMMON_CHECK): Ditto.
9310 (DECL_WRTL_CHECK): Ditto.
9311 (DECL_NON_COMMON_CHECK): Ditto.
9312 (DECL_WITH_VIS_CHECK): Ditto.
9313 (VAR_OR_FUNCTION_DECL_P): Ditto
9314 (struct tree_decl_minimal): New structure.
9315 (struct tree_decl_common): Ditto.
9316 (struct tree_decl_with_rtl): Ditto.
9317 (struct tree_decl_with_vis): Ditto.
9318 (struct tree_decl_non_common): Ditto.
9319 (struct tree_field_decl): Ditto.
9320 (struct tree_parm_decl): Ditto.
9321 (struct tree_var_decl): Ditto.
9322 (struct tree_function_decl): Ditto.
9323 (struct tree_const_decl): Ditto.
9324 (struct tree_result_decl): Ditto.
9325 (union tree_node): Add new structures.
9326 * var-tracking.c (track_expr_p): Reverse order of tests.
9328 * doc/c-tree.texi: Add documentation on DECL node internal structure.
9330 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
9332 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
9333 * system.h: Poison FINALIZE_PIC.
9334 * doc/tm.texi (FINALIZE_PIC): Remove.
9336 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9339 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
9340 to the correct type if we have a MODIFY_EXPR.
9342 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
9344 PR tree-optimization/22360
9345 * tree.c (upper_bound_in_type): Fix calculations for casting
9346 to a non-wider signed type and casting a signed value to a
9347 wider unsigned type.
9348 (lower_bound_in_type): Fix calculations for casting to a
9349 non-wider signed type.
9351 PR tree-optimization/20139
9352 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
9354 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
9355 fold_cond_expr_cond.
9356 * tree-ssanames.c (release_defs): Assert in_ssa_p.
9357 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
9359 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9362 * tree-complex.c (expand_complex_libcall): Produce
9363 REALPART_EXPR/IMAGPART_EXPR with the correct type.
9365 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
9367 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
9368 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
9369 b" assert and inserted fastpath code for this case.
9370 (bitmap_ior): Removed "a != b" assert.
9372 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9374 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
9375 (ENDFILE_SPEC): Likewise.
9376 * config/m32r/m32r.h (ASM_SPEC): Likewise.
9378 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
9379 a large stack frame at epilogue.
9381 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
9383 * final.c: Include sdbout.h when required.
9385 2005-07-07 Geoffrey Keating <geoffk@apple.com>
9387 * config.gcc (*-*-darwin*): Only one target-specific header file
9389 (powerpc-*-darwin*): Add version-specific header files.
9390 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
9391 * config.in: Regenerate.
9392 * configure: Regenerate.
9393 * gcc.c: Include xregex.h.
9394 (version_compare_spec_function): New.
9395 (spec_function): Add version-compare.
9396 (replace_outfile_spec_function): Reformat comment.
9397 (compare_version_strings): New.
9398 * config/darwin-c.c (version_as_macro): New.
9399 (builtin_define): New.
9400 (darwin_cpp_builtins): New.
9401 * config/darwin-protos.h (darwin_cpp_builtins): New.
9402 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
9403 (LIB_SPEC): Make unconditional, update comment.
9404 (TARGET_C99_FUNCTIONS): Define.
9405 * config/darwin.opt: Sort.
9406 (mmacosx-version-min=): New.
9407 * config/darwin7.h: Delete.
9408 * config/darwin8.h: Delete.
9409 * config/i386/darwin.h (): Call darwin_cpp_builtins.
9410 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
9411 (TARGET_C99_FUNCTIONS): Define.
9412 * config/rs6000/darwin7.h: New.
9413 * config/rs6000/darwin8.h: New.
9414 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
9415 (-mmacosx-version-min): Document.
9417 2005-07-07 Ian Lance Taylor <ian@airs.com>
9419 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
9421 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
9424 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
9426 2005-07-07 Khem Raj <kraj@mvista.com>
9428 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
9429 in bytes, not words.
9431 2005-07-07 Paul Brook <paul@codesourcery.com>
9433 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
9434 DEFAULT_FUNCTION_ARG_PADDING to upward.
9436 2005-07-07 Richard Henderson <rth@redhat.com>
9438 * function.c (locate_and_pad_parm): Record parameter alignment in
9439 stack_alignment_needed.
9441 2005-07-07 David Edelsohn <edelsohn@gnu.org>
9443 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
9444 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
9445 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
9446 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
9447 (define_attr "type"): Add isync, sync, load_l, store_c.
9448 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
9449 Create scratch volatile MEM.
9450 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
9452 (load_locked_<mode>): New.
9453 (store_conditional_<mode>): New.
9454 (sync_compare_and_swap<mode>): Replace with splitter.
9455 (sync_lock_test_and_set<mode>): Replace with splitter.
9456 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
9458 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
9459 is ics. Attribute isync.
9460 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
9462 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
9463 and UNSPECV_SYNC_OP.
9464 (emit_unlikely_jump): New.
9465 (emit_load_locked): New.
9466 (emit_store_conditional): New.
9467 (rs6000_split_compare_and_swap): New.
9468 (rs6000_split_lock_test_and_set): New.
9469 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
9470 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
9471 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
9472 rs6000_split_lock_test_and_set): Declare.
9473 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
9474 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
9475 store_c, isync, sync.
9477 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
9479 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
9480 filenames to gtyp-gen.h.
9481 (s-typ-gen): Use it in place of for loops.
9483 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
9485 * hooks.c (hook_bool_rtx_int_false): New function.
9486 * hooks.h (hook_bool_rtx_int_false): Declare.
9487 * target-def.h (TARGET_COMMUTATIVE_P): Define.
9488 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
9489 * target.h (struct gcc_target): Add commutative_p member.
9490 * targhooks.c (hook_bool_rtx_commutative_p): New function.
9491 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
9492 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
9493 (pa_commutative_p): New function.
9494 * jump.c (target.h): Include.
9495 (rtx_renumbered_equal_p): Use targetm.commutative_p.
9496 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
9498 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9500 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
9501 (s390_expand_setmem): New.
9502 * config/s390/s390.c: Likewise.
9503 (print_shift_count_operand): Truncate to 12 bits instead of 6.
9505 * config/s390/s390.md: ("setmem<mode>"): Accept character as
9506 general_operand. Call new function "s390_expand_setmem".
9507 ("clrmem_long", "*clrmem_long"): Rewrite to ...
9508 ("setmem_long", "*setmem_long"): ... this.
9510 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9512 * config/s390/s390.c: (optimization_options): Enable
9513 TARGET_MVCLE at -Os.
9514 * doc/invoke.texi: Document changes in default behaviour.
9515 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
9517 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9519 * expr.c: (set_storage_via_setmem): Convert opchar to mode
9520 defined by back-end.
9522 2005-07-07 Jakub Jelinek <jakub@redhat.com>
9524 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
9525 all sets in the pattern.
9526 * config/rs6000/rs6000.md (stack_protect_testsi,
9527 stack_protect_testdi): Likewise.
9529 2005-07-06 Jeff Law <law@redhat.com>
9531 * tree-vrp.c (simplify_using_ranges): Kill.
9532 (vrp_finalize): Remove call to simplify_using_ranges.
9533 (simplify_stmt_using_ranges): New function extracted from
9534 simplify_using_ranges.
9535 (simplify_div_or_mod_using_ranges): Likewise.
9536 (simplify_abs_using_ranges): Likewise.
9537 (simplify_cond_using_ranges): New function.
9538 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
9539 * tree-ssa-propagate.c (substitute_and_fold): Call
9540 simplify_stmt_using_ranges if we have range information.
9542 2005-07-06 James E. Wilson <wilson@specifixinc.com>
9544 * config/ia64/ia64.c (ia64_reorg): Check optimize before
9545 ia64_flag_schedule_isns2.
9547 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
9548 reading/writing general registers.
9549 (ia64_function_arg): Revert 2005-06-18 change.
9551 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
9553 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
9554 (legitimize_tls_address): Use gcc_unreachable instead of abort.
9556 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
9558 * function.c (expand_function_end): Revert part of 2005-06-27
9559 patch. Do sjlj_emit_function_exit_after after return_label.
9561 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9563 * doc/install.texi (--disable-libssp): New.
9565 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
9567 * doc/invoke.texi: Update -fforce-mem documentation.
9568 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
9569 code for -fforce-mem.
9570 * expmed.c: (store_bit_field,store_fixed_bit_field,
9571 extract_bit_field): Ditto.
9572 * expr.c: (convert_move): Ditto.
9573 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
9574 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
9575 emit_conditional_add,expand_float,expand_fix): Ditto.
9576 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
9577 (common_handle_option): Issue warning when -fforce-mem specified.
9579 2005-07-06 Paul Brook <paul@codesourcery.com>
9581 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
9583 * configure: Regenerate.
9585 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
9587 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
9589 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
9591 Fix PR tree-optimization/22319
9592 Fix PR tree-optimization/22140
9593 Fix PR tree-optimization/22310
9595 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
9596 variable sized types.
9597 Use correct type for intermediate structure on *a = *b structure
9600 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9602 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
9604 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
9605 (machine_function): Move typedef to...
9606 * config/rs6000/rs6000.c (machine_function): ... here. Add
9607 varargs_save_offset field.
9608 (rs6000_stack_t): Remove varargs_size field.
9609 (setup_incoming_varargs): Allocate varargs save area using
9610 assign_stack_local, try to make it as small as possible.
9611 Save offset from virtual_stack_vars_rtx to the save area
9612 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
9613 instead of magic 8 when fp word byte size is used.
9614 (rs6000_va_start): Use cfun->machine->varargs_save_offset
9615 instead of -RS6000_VARARGS_SIZE.
9616 (rs6000_stack_info, debug_stack_info,
9617 rs6000_initial_elimination_offset): Remove all traces of
9619 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
9620 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
9621 RS6000_VARARGS_AREA.
9623 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9625 PR tree-optimization/21963
9626 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
9627 constant_multiple_of in the same way get_computation_cost_at does.
9629 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9631 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
9632 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
9633 (gen_compare_reg): If sparc_compare_emitted is set, clear it
9634 and return its previous value.
9635 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
9636 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
9638 (stack_protect_set, stack_protect_test): New expanders.
9639 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
9640 stack_protect_testdi): New insns.
9641 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9642 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
9644 2005-07-06 Jeff Law <law@redhat.com>
9646 * tree-ssa-dce.c (cfg_altered): New global.
9647 (tree_dce_init): Initialize cfg_altered.
9648 (remove_dead_stmt): If we remove an edge in the CFG, then set
9650 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
9653 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9655 * Makefile.in (stamp-collect-ld): Use
9656 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
9657 ./collect-ld if it already exists.
9658 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
9659 Don't remove ./nm if it already exists.
9661 2005-07-05 Devang Patel <dpatel@apple.com>
9663 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
9664 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
9665 * tree-vectorizer.c (vect_loop_location): New.
9666 (vect_print_dump_info): Use vect_loop_location.
9667 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
9668 (vectorize_loops): Set vect_loop_location.
9669 * tree-vect-analyze.c (vect_analyze_offset_expr,
9670 vect_determin_vectorization_factor, vect_analyze_operations,
9671 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
9672 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
9673 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
9674 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
9675 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
9676 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
9677 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
9678 vect_analyze_loop): Adjust vect_print_dump_info API.
9679 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9680 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
9681 vect_finish_stmt_generation, vectorizable_assignment,
9682 vectorizable_operation, vectorizable_store, vectorizable_load,
9683 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
9684 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
9685 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
9686 vect_transform_loop): Same.
9687 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
9688 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
9691 2005-07-05 Randolph Chung <tausq@debian.org>
9693 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
9694 * configure: Regenerate.
9695 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
9696 (pa_tls_referenced_p): Declare.
9697 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
9698 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
9699 (legitimize_tls_address): New.
9700 (hppa_legitimize_address): Handle TLS addresses.
9701 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
9702 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9703 (emit_move_sequence): Handle TLS addresses.
9704 (pa_encode_section_info): Call default handler to handle common
9706 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
9707 (CONSTANT_ADDRESS_P): Reject TLS operands.
9708 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
9709 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
9710 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
9711 (UNSPEC_TLSLE): Define new constants.
9712 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
9713 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
9714 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
9715 (tie_symbolic_operand, tle_symbolic_operand): New
9717 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
9719 * aclocal.m4: Update macros for autoconf 2.59 style.
9720 * configure.ac: Likewise.
9722 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9724 * pa.c (function_value): Handle small aggregates on 32-bit targets.
9725 (function_arg): Pass small aggregates in general registers on 32-bit
9727 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
9729 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
9731 * Makefile.in (final.o): Fix dependencies.
9733 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9737 * langhooks.h (struct lang_hooks): Add expr_to_decl.
9738 * langhooks.c (lhd_expr_to_decl): New.
9739 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
9741 (LANG_HOOKS_INITIALIZER): Update.
9742 * tree.c (recompute_tree_invarant_for_addr_expr): Call
9743 expr_to_decl langhook.
9744 * c-tree.h (c_expr_to_decl): Declare.
9745 * c-typeck.c (c_expr_to_decl): New.
9746 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
9748 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
9750 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9753 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
9754 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
9756 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
9758 * Makefile.in: Adjust dependencies.
9759 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
9760 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
9761 * alias.c (rest_of_handle_cfg, pass_cfg): New.
9762 * bb-reorder.c (duplicate_computed_gotos): Make it static.
9763 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
9764 rest_of_compilation.
9766 * bb-reorder.c (gate_duplicate_computed_gotos,
9767 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
9768 rest_of_handle_reorder_blocks, pass_reorder_blocks,
9769 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
9770 pass_partition_blocks): New.
9771 * bt-load.c (gate_handle_branch_target_load_optimize,
9772 rest_of_handle_branch_target_load_optimize,
9773 pass_branch_target_load_optimize): New.
9774 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
9776 * cfglayout.c (pass_insn_locators_initialize): New.
9777 * cfgrtl.c (pass_free_cfg): New.
9778 * combine.c (gate_handle_combine, rest_of_handle_combine,
9780 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
9781 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
9782 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
9783 * except.c (pass_set_nothrow_function_flags,
9784 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
9786 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
9787 rest_of_handle_shorten_branches, pass_shorten_branches,
9788 rest_of_clean_state, pass_clean_state): New.
9789 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
9790 rest_of_handle_remove_death_notes, pass_remove_death_notes,
9791 rest_of_handle_life, pass_life, rest_of_handle_flow2,
9793 * function.c (pass_instantiate_virtual_regs, pass_init_function,
9794 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
9795 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
9796 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
9798 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
9799 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
9800 pass_rtl_ifcvt, gate_handle_if_after_combine,
9801 rest_of_handle_if_after_combine, pass_if_after_combine,
9802 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
9803 pass_if_after_reload): New.
9804 * integrate.c (pass_initial_value_sets): New.
9805 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
9806 pass_purge_lineno_notes): New.
9807 * mode-switching.c (rest_of_handle_mode_switching,
9808 pass_mode_switching): New.
9809 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
9810 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
9812 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
9813 pass_loop_optimize): New.
9814 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
9816 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
9818 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
9819 pass_postreload_cse): New.
9820 * profile.c (gate_handle_profiling, pass_profiling,
9821 rest_of_handle_branch_prob, pass_branch_prob): New.
9822 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
9823 pass_split_before_regstack, gate_handle_split_before_regstack,
9824 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
9825 rest_of_handle_split_all_insns, pass_split_all_insns): New.
9826 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
9827 pass_stack_regs): New.
9828 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
9829 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
9830 pass_stack_adjustments): New.
9831 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
9832 pass_regrename): New.
9833 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
9834 pass_delay_slots, gate_handle_machine_reorg,
9835 rest_of_handle_machine_reorg, pass_machine_reorg): New.
9836 * rtl.h (extern void purge_line_number_notes): New.
9837 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
9838 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
9840 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
9842 * value-prof.c (gate_handle_value_profile_transformations,
9843 rest_of_handle_value_profile_transformations,
9844 pass_value_profile_transformations): New.
9845 * var-tracking.c (gate_handle_var_tracking,
9846 pass_variable_tracking): New.
9847 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
9849 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
9850 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
9851 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
9852 rest_of_handle_old_regalloc, rest_of_handle_regrename,
9853 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
9854 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
9855 rest_of_handle_gcse2, rest_of_handle_regmove,
9856 rest_of_handle_tracer, rest_of_handle_if_conversion,
9857 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
9858 rest_of_handle_web, rest_of_handle_branch_prob,
9859 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
9860 rest_of_handle_jump_bypass, rest_of_handle_combine,
9861 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9862 rest_of_handle_gcse, rest_of_handle_loop_optimize,
9863 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
9864 rest_of_handle_mode_switching, rest_of_handle_jump,
9865 rest_of_handle_eh, rest_of_handle_stack_adjustments,
9866 rest_of_handle_flow2, rest_of_handle_jump2,
9867 rest_of_handle_peephole2, rest_of_handle_postreload,
9868 rest_of_handle_shorten_branches, rest_of_clean_state,
9869 rest_of_compilation): Remove.
9871 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
9872 * passes.c (dump_flags, in_gimple_form, all_passes,
9873 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9874 register_dump_files, next_pass_1, last_verified, execute_todo,
9875 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
9876 from tree-optimize.c.
9877 (init_optimization_passes): Moved from tree-optimize.c,
9878 adding the RTL optimizations.
9879 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
9880 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
9881 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9882 register_dump_files, next_pass_1, last_verified, execute_todo,
9883 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
9884 init_tree_optimization_passes, ipa_passes): Delete.
9885 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
9887 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
9888 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
9890 (ipa_passes): Remove.
9891 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
9892 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
9893 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
9894 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
9895 (dump_info_p, dump_flag): Moved to tree-dump.h.
9897 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
9899 * passes.c (finish_optimization_passes): Use dump_begin
9900 and dump_end, TDI_end.
9901 (gate_rest_of_compilation): New.
9902 (pass_rest_of_compilation): Use it.
9903 (gate_postreload, pass_postreload): New.
9904 * toplev.c (general_init): Rename init_tree_optimization_passes.
9905 * toplev.h (init_tree_optimization_passes): Rename to
9906 init_optimizations_passes.
9907 * tree-dump.c (dump_flag): Make static.
9908 (dump_files): Remove RTL dumps.
9909 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
9910 pass_cleanup_cfg, pass_free_cfg_annotations,
9911 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
9912 pass_init_datastructures, pass_fixup_cfg): Make non-static.
9913 * tree-pretty-print.c: Include tree-pass.h.
9914 * cgraph.c: Include tree-dump.h.
9916 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9918 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
9919 Only fall back to saying it points to readonly memory if
9922 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9924 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
9925 * config/m32r/m32r.c (m32r_compute_frame_size,
9926 m32r_expand_prologue): Take current_function_profile into
9927 account whenever we reference
9928 current_function_uses_pic_offset_table.
9929 (m32r_finalize_pic): Remove.
9930 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
9932 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
9934 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
9935 instead of $<. Don't remove ./as if it already exists.
9937 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9940 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
9941 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
9942 for complex modes when generating code for PA 1.0.
9943 (VALID_FP_MODE_P): New macro.
9944 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9945 sets for all general and floating point modes. Align wide floating
9946 point modes to even register boundaries to comply with architectural
9948 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
9949 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
9950 (VALID_FP_MODE_P): New macro.
9951 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9952 sets for all general and floating point modes. Align wide floating
9953 point modes to even register boundaries to comply with architectural
9956 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9958 * tree-dump.c (dump_files): Initialize dump number for .cgraph
9961 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9963 * tree-ssa-structalias.c: Don't include expr.h.
9965 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9967 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
9970 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9972 Fix PR tree-optimization/22279
9974 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
9977 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
9979 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
9981 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
9983 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
9984 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
9985 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
9986 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
9987 config/stormy16/stormy16.c, config/v850/v850.c,
9988 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
9989 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
9990 Avoid "." or "\n" at end of diagnostics and capital letters at
9991 start of diagnostics.
9992 * combine.c, cse.c: Don't translate dump file output.
9993 * toplev.c (print_version): Only translate output if going to
9996 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
9998 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
9999 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
10002 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10004 * pa.c (fix_range): Fix typo in comment.
10006 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
10008 * tree-vrp.c (extract_range_from_assert): Replace
10009 fold (build (...)) with fold_build2.
10011 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10013 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
10014 gcc_gfc_char_table, init_dynamic_gfc_info): New.
10015 (format_types_orig, handle_format_attribute): Add support for
10018 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
10020 * varasm.c (assemble_variable): Fix format specifier thinko.
10022 2005-07-03 Ira Rosen <irar@il.ibm.com>
10024 PR tree-optimization/22029 (and 22135)
10025 * tree-pretty-print.c (dump_generic_node): Check that the node is not
10026 a phi node before calling dump_vops.
10028 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
10030 * tree-dump.h (dump_string_field): Declare.
10031 * tree-dump.c: Use it instead of dump_string.
10032 (dump_string_field): Make non-static.
10034 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
10036 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
10037 up the minimal CFG stuff always when optimize > 0. Call
10038 split_all_insns_noflow in PIC case if needed.
10040 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
10041 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
10044 * c-decl.c (c_write_global_declarations): Dump contents of
10046 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
10047 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
10048 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
10049 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
10052 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
10054 * c-common.h (GCC_DIAG_STYLE): Define.
10055 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
10056 version for format checking to 4.1.
10057 * c-format.c: Include toplev.h after c-common.h.
10058 (enum format_type): Add gcc_tdiag_format_type.
10059 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
10060 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
10061 (format_types_orig): Add gcc_tdiag.
10062 (init_dynamic_diag_info): Support gcc_tdiag formats.
10063 (handle_format_attribute): Likewise.
10064 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
10065 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
10066 version for format checking to 4.1.
10067 (warning0, warning, error, pedwarn, sorry): Use
10068 ATTRIBUTE_GCC_DIAG.
10069 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
10070 (finish_aliases_1): Do not use %qE.
10071 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
10072 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
10073 Correct format bugs.
10074 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
10075 parameter to unsigned HOST_WIDE_INT.
10076 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
10078 2005-07-02 David Edelsohn <edelsohn@gnu.org>
10080 PR middle-end/21742
10081 * expr.c (write_complex_part): Use adjust_address for MEM.
10082 (read_complex_part): Same.
10084 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
10086 Fix PR tree-optimization/22280
10088 * tree-sra.c (generate_element_init): Remove useless loop.
10090 2005-07-02 Richard Henderson <rth@redhat.com>
10092 * config/alpha/alpha.c (alpha_legitimize_address): Check for
10094 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
10096 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
10098 PR middle-end/14490
10099 * fold-const.c (fold_binary): Handle the return value of
10100 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
10101 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
10103 2005-07-02 Jeff Law <law@redhat.com>
10105 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
10106 a eliminate type conversion which feeds an equality comparison
10107 if the original type or either operand in the comparison is a
10110 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
10112 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
10113 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
10115 * config/avr/avr.c: Do not use '`' as left quote.
10116 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
10117 Remove "." from end of diagnostics. Make diagnostics start with
10120 2005-07-02 Zack Weinberg <zack@codesourcery.com>
10121 Joseph S. Myers <joseph@codesourcery.com>
10123 * toplev.c (default_tree_printer): Handle setting location with
10125 * c-objc.common.c (c_tree_printer): Likewise.
10126 * c-format.c (gcc_diag_flag_specs): Add '+'.
10127 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
10128 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
10130 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
10131 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
10132 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
10133 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
10134 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
10135 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
10136 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
10137 format arguments where %J is used without %D.
10139 2005-07-02 Jakub Jelinek <jakub@redhat.com>
10141 * gcc.c (LINK_SSP_SPEC): Define.
10142 (link_ssp_spec): New variable.
10143 (LINK_COMMAND_SPEC): Add %(link_ssp).
10144 (static_specs): Add link_ssp_spec.
10145 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
10146 * configure: Rebuilt.
10147 * config.in: Rebuilt.
10149 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10150 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10151 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10152 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10153 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
10154 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
10155 -0x7008(2) instead of reading __stack_chk_guard variable.
10156 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
10158 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
10159 (stack_protect_set, stack_protect_test): Use *_tls* patterns
10160 if TARGET_THREAD_SSP_OFFSET is defined.
10161 (stack_tls_protect_set_si, stack_tls_protect_set_di,
10162 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
10165 2005-06-27 Richard Henderson <rth@redhat.com>
10166 * libgcc-std.ver (GCC_4.1.0): New.
10167 * libgcc.h (__stack_chk_guard): Declare.
10168 (__stack_chk_fail, __stack_chk_fail_local): Declare.
10169 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
10170 * mklibgcc.in (lib2funcs): Add them.
10172 2005-07-01 Richard Henderson <rth@redhat.com>
10174 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
10175 void * before struct sigcontext *.
10176 (x86_fallback_frame_state): Likewise.
10178 2005-07-01 James E. Wilson <wilson@specifixinc.com>
10180 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
10182 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
10185 * tree-ssa-reassoc.c (should_transpose): Fix which operand
10186 we check for SSA_NAME for.
10188 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
10190 Fix PR tree-optimization/22071
10192 * tree-ssa-structalias.c (offset_overlaps_with_access): New
10194 (get_constraint_for_component_ref): Use it.
10196 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
10199 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
10200 print out the last new line.
10202 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
10204 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
10205 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
10206 * config/cris/cris.c (cris_conditional_register_usage): Adjust
10207 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
10208 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
10209 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
10210 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
10211 (enum reg_class): New member CC0_REGS.
10212 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
10213 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
10214 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
10215 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
10216 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
10217 Adjust for register now described.
10219 2005-07-01 Jakub Jelinek <jakub@redhat.com>
10222 * config/i386/i386.md (stack_protect_test_si,
10223 stack_protect_test_di): Add earlyclobber for scratch 3.
10224 * config/rs6000/rs6000.md (stack_protect_testsi,
10225 stack_protect_testdi): Add earlyclobber for scratch 3,
10226 remove earlyclobber from scratch 4.
10228 Older entries for 2005 can be found in ChangeLog-2005.