1 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
5 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
7 * ggc.h (GGC_RESIZEVEC): New.
9 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11 * gcc.c (execute): Improve readability.
13 2005-12-02 Richard Guenther <rguenther@suse.de>
15 * tree-cfg.c (mark_used_vars): New function.
16 (dump_function_to_file): Dump only used VAR_DECLs.
18 2005-12-02 Richard Guenther <rguenther@suse.de>
20 * convert.c (convert_to_integer): Fix compare for nonpositive
21 constant to use tree_int_cst_sgn <= 0.
23 2005-12-02 Richard Guenther <rguenther@suse.de>
25 * convert.c (convert_to_integer): Use fold_convert instead
26 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
27 instead of comparing against 0. Use build_int_cst instead
28 of converting integer_zero_node.
30 2005-12-02 Richard Guenther <rguenther@suse.de>
32 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
35 2005-12-02 Alan Modra <amodra@bigpond.net.au>
38 * combine.c (simplify_logical <IOR>): Simplify more patterns to
41 2005-12-02 Alan Modra <amodra@bigpond.net.au>
44 * function.c (expand_function_end): Emit blockage for unwinder
47 2005-12-01 Roger Sayle <roger@eyesopen.com>
49 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
50 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
51 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
52 integer constant comparisons.
54 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
55 Janis Johnson <janis187@us.ibm.com>
56 David Edelsohn <dje@watson.ibm.com>
57 Ben Elliston <bje@au.ibm.com>
59 * dfp.h, dfp.c: New files.
60 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
62 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
63 (INCLUDES): Append $(DECNUMINC).
64 (OBJS-common): Add dfp.o.
66 * real.h (EXP_BITS): Pinch one bit to ..
67 (struct real_value): Add decimal field.
68 (real_format): Change table size, update documentation.
69 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
70 (real_from_string3): Declare.
71 (decimal_single_format): Declare.
72 (decimal_double_format): Declare.
73 (decimal_quad_format): Declare.
74 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
75 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
76 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
77 * real.c: Include dfp.h.
78 (normalize): Early return for decimal floats.
79 (do_add): Zero decimal field.
80 (do_compare): Call do_decimal_compare for decimal floats.
81 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
82 (real_arithmetic): Call decimal_real_arithmetic for decimal
83 floating point operands.
84 (real_identical): If a and b are of differing radix, return false.
85 (real_to_integer): Call decimal_real_to_integer if the value is a
87 (real_to_integer2): Likewise, call decimal_real_to_integer2.
88 (real_to_decimal): Likewise, call decimal_real_to_decimal.
89 (real_to_hexadecimal): Place "N/A" in the return string for
91 (real_from_string3): New variant, given a mode.
92 (real_maxval): Use decimal_real_maxval for decimal floats.
93 (round_for_format): Use decimal_round_for_format for decimals.
94 (real_convert): Use decimal_real_convert where appropriate.
95 (significand_size): Handle base 10.
96 (encode_decimal_single, decode_decimal_single,
97 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
98 decode_decimal_quad): New functions.
99 (decimal_single_format): New.
100 (decimal_double_format): New.
101 (decimal_quad_format): New.
102 * machmode.def: Add SD, DD and TD decimal floating point modes.
103 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
104 Include MODE_DECIMAL_FLOAT.
105 (DECIMAL_FLOAT_MODE_P): New.
106 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
107 * genmodes.c (struct mode_data): Add counter field.
108 (struct mode_data): Update comment for format.
109 (blank_mode): Initialise counter field.
110 (new_mode): Increment counter field for each mode defined.
111 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
113 (make_complex_modes): Handle modes containing `D'.
114 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
115 (make_decimal_float_mode): New.
116 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
117 (cmp_modes): Compare counter field if other characteristics
119 (emit_real_format_for_mode): Support formats for decimal floats.
120 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
121 Document MODE_DECIMAL_FLOAT.
123 2005-12-02 Alan Modra <amodra@bigpond.net.au>
125 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
128 2005-12-01 Richard Henderson <rth@redhat.com>
130 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
132 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
134 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
136 * config/pa/pa.c (pa_init_builtins): If we detect
137 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
140 2005-12-01 Richard Guenther <rguenther@suse.de>
142 * fold-const.c (fold_binary): Use fold_build2, not
145 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
147 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
149 * vec.h (VEC_block_remove): New.
151 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
154 * c-common.c (lvalue_error): Fix wording.
156 2005-12-01 Richard Guenther <rguenther@suse.de>
158 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
159 thinko in last patch.
161 2005-12-01 Geoffrey Keating <geoffk@apple.com>
163 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
164 than -flat_namespace.
166 2005-12-01 Ben Elliston <bje@au.ibm.com>
168 * mklibgcc.in: Parameterise the script to build soft float
169 functions by iterating over each type, rather than cloning the
172 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
175 * builtins.c (fold_builtin_fputs): Defer check for missing
176 replacement functions.
178 2005-11-30 Kean Johnston <jkj@sco.com>
180 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
181 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
183 2005-11-30 Richard Guenther <rguenther@suse.de>
185 PR tree-optimization/22501
186 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
187 function split out from ...
188 (forward_propagate_addr_expr): ... here. Use it to propagate
189 ADDR_EXPRs to all uses.
191 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
193 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
194 * builtins.c (expand_builtin_mathfn): Use them.
195 (expand_builtin_mathfn_2): Likewise.
196 (expand_builtin_mathfn_3): Likewise.
197 (expand_builtin_int_roundingfn): Likewise.
198 (expand_builtin): Likewise.
199 (integer_valued_real_p): Likewise.
200 (fold_builtin_int_roundingfn): Likewise.
201 (fold_builtin_bitop): Likewise.
202 (fold_builtin_logarithm): Likewise.
203 (fold_builtin_1): Likewise.
204 * convert.c (convert_to_integer): Likewise.
205 * fold-const.c (negate_mathfn_p): Likewise.
206 (tree_expr_nonnegative_p): Likewise.
208 2005-11-30 Dale Johannesen <dalej@apple.com>
209 Andrew Pinski <pinskia@physics.uc.edu>
211 * combine.c (find_split_point): Sign extend bitmask
212 when changing bitfield assignment to IOR of AND.
214 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
216 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
217 clobber to scratch reg.
218 (*decrement_and_branch_until_zero_no_clobber): Remove.
219 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
220 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
221 * config/ms1/ms1.opt (mmul): Remove.
222 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
223 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
225 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
226 Bernd Schmidt <bernd.schmidt@analog.com>
228 * pa/predicates.md (symbolic_operand): Add comment.
229 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
230 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
231 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
232 (pa_secondary_reload_class): Delete.
233 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
234 and pa_secondary_reload_class. Reorder some checks. Update inline
235 copy of symbolic operand.
236 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
238 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
240 * loop-doloop.c (add_test): Only add jump notes if we did emit a
243 2005-11-30 Jeff Law <law@redhat.com>
245 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
246 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
248 2005-11-30 Jakub Jelinek <jakub@redhat.com>
250 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
251 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
252 (ia64_expand_move): Adjust caller.
254 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
255 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
258 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
260 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
261 Always produce an output if we can remove NEGs or canonicalize
262 (minus (minus ...)) expressions. Provide a fast path for the
264 (simplify_gen_binary): Do not call simplify_plus_minus.
265 (simplify_binary_operation_1): Reassociate at the end of the
268 2005-11-29 Evan Cheng <evan.cheng@apple.com>
270 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
271 moves and unpack to speed up.
273 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
275 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
276 argument, they are always sparc_compare_op0 and sparc_compare_op1.
277 (gen_v9_scc): Update callers.
278 * config/sparc/sparc.md: Likewise.
279 * config/sparc/sparc-protos.h: Update extern declaration.
281 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
283 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
285 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
288 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
290 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
291 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
294 2005-11-29 Ben Elliston <bje@au.ibm.com>
296 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
299 2005-11-29 Ben Elliston <bje@au.ibm.com>
301 * Makefile.in (clean-target): Depend on clean-target-libgcc.
302 (clean-target-libgcc): Import rule from the top-level Makefile.in.
304 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
308 * builtins.c (init_target_chars): New.
309 (expand_builtin_printf, expand_builtin_fprintf,
310 expand_builtin_sprintf, fold_builtin_sprintf,
311 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
312 fold_builtin_snprintf_chk, fold_builtin_printf,
313 fold_builtin_fprintf): Check for matching format strings using
316 2005-11-29 Paul Brook <paul@codesourcery.com>
318 * config.gcc: Do not use fixproto on m68k-elf.
320 2005-11-28 Roger Sayle <roger@eyesopen.com>
322 * expmed.c (div_cost): Replace with...
323 (sdiv_cost, udiv_cost): New.
324 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
325 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
326 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
327 (expand_divmod): Replace use of div_cost with either sdiv_cost
328 or udiv_cost depending upon the signedness of the operation.
330 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
333 * config/darwin.c (machopic_indirection_name,
334 machopic_output_indirection): Follow transparent alias chain.
336 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
338 * varasm.c (ultimate_transparent_alias_target): Add comment.
340 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
342 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
343 SET_SRC instead of XEXP where appropriate.
345 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
347 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
350 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
352 * config/fp-bit.h (LSHIFT): Take shift count parameter.
353 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
356 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
358 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
359 secondary_input_reload_class, made static. Adapt to new
361 (secondary_output_reload_class): Delete.
362 (TARGET_SECONDARY_RELOAD): New macro.
363 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
364 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
366 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
369 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
370 when its natural alignment is > BITS_PER_UNIT.
371 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
372 * c-common.c (handle_packed_attribute): Ignore packing on a field
373 whose type is naturally char aligned.
375 2005-11-28 Richard Guenther <rguenther@suse.de>
377 * c-common.c (strict_aliasing_warning): Handle all
378 component-ref like accesses.
380 2005-11-28 Roger Sayle <roger@eyesopen.com>
381 Uros Bizjak <uros@kss-loka.si>
384 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
385 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
386 when flag_unsafe_math_optimizations is set and
387 we don't care about NaNs or Infinities.
389 Move x/expN(y) and x/pow(y,z) transformation into common
390 flag_unsafe_math_optimizations section.
392 2005-11-27 Mark Mitchell <mark@codesourcery.com>
394 * gcc.c (main): Change type of argv to "char **".
396 2005-11-28 Alan Modra <amodra@bigpond.net.au>
398 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
400 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
401 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
402 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
403 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
404 output locals to sbss if !rs6000_elf_in_small_data_p.
405 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
407 2005-11-28 Alan Modra <amodra@bigpond.net.au>
410 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
412 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
413 indexed_or_indirect_address.
414 (indexed_or_indirect_address): Don't test for base reg. Call
415 address_operand last. Make it a special predicate.
417 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
419 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
421 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
424 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
426 (negate_expr): Likewise.
428 2005-11-27 Andreas Schwab <schwab@suse.de>
430 * config/m68k/m68k.c: Reindent and fix whitespace, remove
433 2005-11-27 Steven Bosscher <stevenb@suse.de>
435 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
436 has EH predecessor edges.
438 2005-11-26 Eric Christopher <echristo@apple.com>
440 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
441 register stalls by zero extending to the full register.
443 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
445 * config/floatunsisf.c, config/floatunsidf.c,
446 config/floatunsixf.c, config/floatunsitf.c: New files.
447 * config/ia64/t-hpux: Add floatunsitf.c.
448 * config/ia64/ia64.c (ia64_init_libfuncs): Use
449 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
451 2005-11-26 Richard Henderson <rth@redhat.com>
453 * c-lex.c (pragma_lex): Rename from c_lex.
454 * c-pch.c: Update for pragma_lex rename.
455 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
456 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
457 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
458 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
459 * doc/tm.texi: Likewise.
461 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
464 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
465 when overflow is undefined.
467 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
469 * doc/md.texi (Insn Canonicalizations): Refer to the
470 function commutative_operand_precedence for further rules.
472 2005-11-25 Roger Sayle <roger@eyesopen.com>
475 * expmed.c (choose_mult_variant): Return immediately when mult_cost
476 is less than zero. Limit mult_cost to a reasonable upper bound for
477 the synthetic multiplication sequence.
479 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
482 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
483 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
484 Lookup the explicit replacement functions for any unlocked
485 stdio builtin transformations.
487 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
489 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
491 * targhooks.c (default_secondary_reload): Don't require operand 2
492 for an input reload to be earlyclobber.
494 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
496 * fold-const.c (negate_mathfn_p): Fix comment and add support
497 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
500 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
503 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
504 _Q_ulltoq for unsigned conversions from SImode and DImode to
507 2005-11-25 Alan Modra <amodra@bigpond.net.au>
509 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
510 (__floatundidf, __floatundisf): Likewise.
512 2005-11-25 David Edelsohn <edelsohn@gnu.org>
514 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
515 (rs6000_override_options): Remove initialization of
517 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
518 (rs6000_emit_stack_tie): Same.
519 (emit_frame_save): Same.
520 (gen_frame_mem_offset): Same.
521 (rs6000_emit_prologue): Same.
522 (rs6000_emit_epilogue): Same.
524 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
527 * fold-const.c (fold_build): Convert bool_var != 1 and
528 bool_var == 0 to !bool_var.
530 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
533 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
534 for C being INTEGER_CST. Likewise for !=.
536 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
539 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
540 unsigned conversions from SImode to TFmode.
542 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
544 * expr.c (expand_expr_real_1): Fix error in last change.
546 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
548 * caller-save.c: (this_insn_sets): Move into:
549 (save_call_clobbered_regs).
550 (mark_set_regs): Get this_insn_sets from data.
552 (save_call_clobbered_regs): Take sets of the return value by
553 sibcalls into account.
555 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
558 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
559 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
560 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
561 (memory_move_secondary_cost, init_reg_autoinc): Remove
562 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
563 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
564 secondary_reload_class call.
565 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
567 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
568 (push_secondary_reload): Use secondary_reload target hook.
569 (secondary_reload_class, scratch_reload_class): New functions.
570 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
571 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
572 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
573 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
574 (secondary_reload_class, scratch_reload_class): Declare.
575 * reload1.c: Include target.h.
576 (reload_adjust_reg_for_temp): New function.
577 (reload_adjust_reg_for_icode): Likewise.
578 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
579 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
581 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
582 for inheritance. Support case when both secondary & tertiary reloads
583 are for intermediate registers.
584 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
585 with secondary_reload_class call. Support case when both secondary
586 & tertiary reloads are for intermediate registers.
587 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
588 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
589 * target.h (secondary_reload_info): New struct / typedef.
590 (struct gcc_target): New member secondary_reload.
591 * targhooks.c Include reload.h, optabs.h and recog.h.
592 (default_secondary_reload): New function.
593 * targhooks.h (default_secondary_reload): Declare.
594 * doc/tm.texi: Document secondary_reload target hook. Update
595 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
596 * doc/md.texi: Likewise.
598 * sh-protos.h (sh_secondary_reload): Declare.
599 * sh.c (TARGET_SECONDARY_RELOAD): Override.
600 (sh_secondary_reload): New function.
601 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
602 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
603 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
604 (HAVE_SECONDARY_RELOADS): Define.
605 * sh.md (reload_indf): Rename to:
607 (reload_outdf): Rename to:
608 (reload_outdf__RnFRm).
609 (reload_insf): Rename to:
611 (reload_insi): Rename to:
612 (reload_insi__i_fpul).
614 2005-11-24 Uros Bizjak <uros@kss-loka.si>
616 * configure.ac: Require at least texinfo 4.4.
617 * configure: Regenerate.
619 * doc/install.texi (Tools/packages necessary for building GCC):
620 Update required version of texinfo to at least 4.4.
621 (Installing GCC: Building): Update required version of texinfo
623 (Installing GCC: Final installation): Update required version
624 of texi2dvi to at least 4.4.
625 (Host/target specific installation notes for GCC): Update required
626 version of texinfo to at least 4.4.
628 2005-11-24 Richard Guenther <rguenther@suse.de>
629 Dirk Mueller <dmueller@suse.de>
632 * c-common.h (strict_aliasing_warning): Declare.
633 * c-common.c (strict_aliasing_warning): New function,
635 * c-typeck.c (build_c_cast): ... here.
637 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
639 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
641 (swap_commutative_operands_with_target): New.
643 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
645 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
646 also when doing PRE, rather than only for global CPROP.
648 2005-11-24 Ben Elliston <bje@au.ibm.com>
650 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
651 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
653 (expand_twoval_unop): Likewise.
654 (widen_clz): Likewise.
655 (expand_parity): Likewise.
656 (expand_unop): Likewise.
657 (emit_cmp_and_jmp_insn_1): Likewise.
658 (prepare_float_lib_cmp): Likewise.
660 2005-11-24 Ben Elliston <bje@au.ibm.com>
662 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
663 Remove unused `class' variable.
665 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
668 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
669 C/C++ diagnostic function warn_array_subscript_with_type_char.
670 * c-common.h (warn_array_subscript_with_type_char): Declare.
671 * c-common.c (warn_array_subscript_with_type_char): Define.
673 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
676 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
677 compiling at the intersection of C and C++.
679 2005-11-23 Mark Mitchell <mark@codesourcery.com>
681 * doc/invoke.texi: For man pages, include gcc-vers.texi.
682 List @file in the option summary. Include the libiberty
683 documentation for @file.
684 * gcc.c (main): Call expandargv.
685 * Makefile.in (gcc-vers.texi): Define srcdir.
687 2005-11-23 Diego Novillo <dnovillo@redhat.com>
689 * passes.c (init_optimization_passes): Document
690 sequencing of passes.
692 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
694 * config/m68k/predicates.md (pcrel_address, extend_operator,
695 post_inc_operand, pre_dec_operand): Remove redundant
697 (const_uint32_operand, const_sint32_operand): Use gcc_assert
699 (valid_dbcc_comparison_p): Rewrite in the lisp style.
701 2005-11-23 Ben Elliston <bje@au.ibm.com>
703 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
705 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
707 Preparatory work for PR target/21623:
708 * alpha.c (secondary_reload_class): Rename to:
709 (alpha_secondary_reload_class).
710 * alpha.h, alpha-protos.h: Likewise.
711 * mn10300.c (secondary_reload_class): Rename to:
712 (mn10300_secondary_reload_class).
713 * mn10300.h, mn10300-protos.h: Likewise.
714 * pa.c (secondary_reload_class): Rename to:
715 (pa_secondary_reload_class).
716 * pa.h, pa-protos.h: Likewise.
717 * rs6000.c (secondary_reload_class): Rename to:
718 rs6000_secondary_reload_class.
719 * rs6000.h, rs6000-protos.h: Likewise.
721 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
724 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
726 2005-11-22 Ian Lance Taylor <ian@airs.com>
728 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
730 (prepare_cmp_insn): Likewise.
732 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
735 * m68k.md (zero_extendsidi2): Force operands[1] to a register
736 if both operands[0] and operands[1] are memory.
738 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
741 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
742 COMPARISON_CLASS_P and an integral types create create a new
743 expression with the new type and fold that.
745 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
748 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
749 to SUBTARGET_OS_CPP_BUILTINS.
751 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
753 * arm.c (emit_set_insn): New function.
754 (arm_split_constant): Call it.
755 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
756 (arm_legitimize_address): Likewise. Use plus_constant.
757 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
758 (thumb_expand_prologue): Likewise.
759 (arm_gen_load_multiple): Use VOIDmode in SET.
760 (arm_gen_store_multiple): Likewise.
761 (vfp_emit_fstmx): Likewise. Use plus_constant.
762 (emit_multi_reg_push): Likewise.
763 (emit_sfm): Use plus_constant.
765 2005-11-23 Alan Modra <amodra@bigpond.net.au>
768 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
771 2005-11-22 Alan Modra <amodra@bigpond.net.au>
774 * expmed.c (store_bit_field): Don't attempt to insv a field
777 2005-11-22 Alan Modra <amodra@bigpond.net.au>
780 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
781 explicit sign extension, not a (char) cast.
783 2005-11-22 Ben Elliston <bje@au.ibm.com>
785 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
786 GET_MODE_CLASS (x) == MODE_FLOAT.
787 * config/i386/i386.c: Likewise.
788 * config/rs6000/xcoff.h: Likewise.
789 * config/rs6000/linux64.h: Likewise.
790 * config/rs6000/rs6000.c: Likewise.
791 * config/rs6000/rs6000.h: Likewise.
792 * config/rs6000/predicates.md: Likewise.
793 * config/rs6000/sysv4.h: Likewise.
795 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
797 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
800 * config/alpha/freebsd.h, config/alpha/linux.h,
801 config/arm/linux-elf.h, config/bfin/bfin.h,
802 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
803 config/i386/beos-elf.h, config/i386/gnu.h,
804 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
805 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
806 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
807 config/rs6000/linux64.h, config/rs6000/sysv4.h,
808 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
809 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
810 config/sparc/linux.h, config/sparc/linux64.h,
811 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
813 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
814 are both defined when either flag -fpic or -fPIC are used.
816 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
818 * config/fp-bit.c (clzusi): New function.
819 (si_to_float, usi_to_float): Use it to compute proper shift.
820 (usi_to_float): Preserve guard bits when shifting right.
821 * libgcc-std.ver (GCC_4.2.0): New version.
822 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
823 __floatundisf): New functions.
824 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
825 __floatundisf): Declare.
826 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
827 _floatundixf, and _floatunditf.
828 * optabs.c (expand_float): If target does not define a pattern for
829 signed or unsigned conversion, use an unsigned libcall instead of
831 (init_optabs): Initialize ufloat_optab.
833 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
835 * config/rs6000/rs6000.opt (mmulhw): New option.
836 * doc/invoke.texi (-mmulhw): Document.
837 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
839 * config/rs6000/rs6000.md: Add half-word multiply and
840 multiply-accumulate instructions for 405 and 440.
842 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
844 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
845 which matches behavior of gcc 4.0 and older for RTEMS targets. The
846 default now includes a linker group which makes the RTEMS one nest.
848 2005-11-22 Ben Elliston <bje@au.ibm.com>
850 * cse.c (fold_rtx): Typo fix.
851 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
853 2005-11-21 Richard Henderson <rth@redhat.com>
855 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
856 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
858 * c-tree.h (lookup_name): Move declaration ...
859 * c-common.h (lookup_name): ... here.
860 * config/darwin-c.c: Include c-common.h.
861 * config/t-darwin: Update dependencies.
863 2005-11-22 Ben Elliston <bje@au.ibm.com>
865 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
866 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
867 * genopinit.c (gen_insn): Likewise.
868 * reload.c (find_equiv_reg): Likewise.
869 * loop.c (load_mems): Likewise.
870 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
871 * cse.c (find_comparison_args, fold_rtx): Likewise.
872 * dwarf2out.c (add_const_value_attribute): Likewise.
873 * expr.c (convert_move): Likewise.
874 * recog.c (general_operand, register_operand): Likewise.
875 * reg-stack.c (replace_reg): Likewise.
876 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
877 * c-common.c (handle_vector_size_attribute): Likewise.
878 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
879 (simplify_binary_operation_1): Likewise.
880 (simplify_const_binary_operation): Likewise.
881 (simplify_relational_operation): Likewise.
882 (simplify_const_relational_operation): Likewise.
883 (simplify_immed_subreg): Likewise.
884 * emit-rtl.c (gen_lowpart_common): Likewise.
885 * expmed.c (expand_mult): Likewise.
886 * stor-layout.c (layout_type): Likewise.
888 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
891 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
892 cst2 only for SPE vectors.
894 2005-11-21 David Edelsohn <edelsohn@gnu.org>
897 * config/rs6000/predicates.md (vrsave_operation): Check
898 UNSPEC_VOLATILE value.
900 2005-11-21 Jan Hubicka <jh@suse.cz>
902 PR tree-optimization/24653
903 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
905 2005-11-21 Uros Bizjak <uros@kss-loka.si>
907 * config/i386/predicates.md (ax_reg_operand): New predicate.
908 (memory_displacement_only_operand): New predicate.
909 * config/i386/i386.md ("modrm" attribute): Return 0 if one
910 operand is AX register and the other operand is memory operand
911 with displacement only.
913 2005-11-21 Uros Bizjak <uros@kss-loka.si>
915 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
916 if we don't care about NaNs or Infinities.
918 2005-11-20 Ian Lance Taylor <ian@airs.com>
920 PR rtl-optimization/24883
921 * combine.c (combinable_i3pat): When checking whether the
922 destination of i3 is used in i3, consider paradoxical subregs.
924 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
927 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
929 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
931 * combine.c (try_combine): Do not run subst on i1src and i2src in
932 the case of generating a PARALLEL for a comparison.
934 2005-11-20 Richard Henderson <rth@redhat.com>
937 * tree-sra.c (struct sra_elt): Add all_no_warning.
938 (struct sra_walk_fns) <use>: Add use_all argument.
939 (sra_walk_expr): Pass it.
940 (sra_walk_modify_expr): Likewise.
941 (scalarize_ldst): Likewise.
942 (scan_use): Update for new argument.
943 (mark_no_warning): New.
944 (scalarize_use): Use it.
946 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
948 * expr.c (expand_expr_real): Use usmul_optab for widening
949 signed * unsigned multiplies.
950 * genopinit.c (optabs): Add usmul_widen_optab.
951 * optabs.c (init_optabs): Likewise.
952 * optabs.h (enum optab_index): Add OTI_usmul_widen.
953 (usmul_widen_optab): Define.
954 * config/bfin/bfin.md (usmulhisi3): New pattern.
956 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
958 2005-11-20 Graham Stott <btinternet.com>
960 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
962 2005-11-20 Andreas Schwab <schwab@suse.de>
965 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
968 2005-11-19 Richard Henderson <rth@redhat.com>
971 * tree-gimple.c (is_gimple_id): Export.
972 * tree-gimple.h (is_gimple_id): Declare.
973 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
974 (get_default_value): Use it.
975 (maybe_fold_stmt_indirect): Likewise.
977 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
979 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
980 than VR1 or vice-versa.
982 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
986 * reload.c (find_reloads_address_1): Mention dependency on
988 * reload1.c (gen_reload): For IN with an unary operation, try
989 moving inner expression to OUT if trivial SET is not valid.
990 Confirm that the result is valid. Move common code block into...
991 (emit_insn_if_valid_for_reload): New function.
993 2005-11-19 Richard Guenther <rguenther@suse.de>
995 * fold-const.c (fold_indirect_ref_1): Make sure we fold
996 ARRAY_REFs of constant strings.
998 2005-11-19 Jakub Jelinek <jakub@redhat.com>
1000 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
1001 fatal format string.
1003 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
1005 * combine.c (make_compound_operation): Swap operands of
1006 commutative operation if necessary before returning.
1008 2005-11-19 Richard Guenther <rguenther@suse.de>
1011 * fold-const.c (fold_plusminus_mult_expr): New function.
1012 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
1013 cases, remove now unnecessary code.
1015 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
1017 * gensupport.c (old_preds): Rename to std_preds, add special field.
1018 (struct old_pred_table): Rename to struct std_pred_table, add special
1020 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
1021 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
1022 (init_predicate_table): Adjust, and set along the way whether a
1023 predicate is special.
1025 2005-11-18 Mark Mitchell <mark@codesourcery.com>
1027 * BASE-VER: Change to 4.2.0.
1029 2005-11-18 James E Wilson <wilson@specifix.com>
1031 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
1034 2005-11-18 Mike Stump <mrs@apple.com>
1036 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
1037 * config/darwin-c.c (darwin_pragma_unused): Likewise.
1038 * c-decl.c (lookup_name_two) Remove.
1039 * c-tree.h (lookup_name_two): Remove.
1040 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
1041 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
1042 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
1043 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
1045 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
1048 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
1049 when not generating code to use that co-processor.
1051 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
1053 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
1054 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
1055 these functions are now in tree-phinodes.c.
1057 2005-11-18 Jie Zhang <jie.zhang@analog.com>
1059 * config/bfin/bfin.md (trap): New pattern.
1061 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1063 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
1066 * expr.c (expand_expr_real): Don't call record_block_change unless
1067 ib_boundaries_block is non-null
1069 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
1071 * fold-const.c (build_range_check): Use proper type for subtraction
1072 when merging lower bound.
1074 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
1076 PR rtl-optimization/24497
1077 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
1080 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
1082 * tree-scalar-evolution.c (expression_expensive_p): New function.
1083 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
1085 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
1087 * config/bfin/crtlibid.s: New file.
1089 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1092 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
1093 when not using sjlj exceptions.
1094 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
1095 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1096 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
1097 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
1098 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
1099 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
1100 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
1101 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
1102 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
1103 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
1104 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
1105 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
1106 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
1108 * config/pa/hpux-unwind.h: New file.
1110 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
1112 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
1113 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
1114 * varasm.c (do_assemble_alias): Adjust call.
1115 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
1117 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
1119 2005-11-17 James E Wilson <wilson@specifix.com>
1121 * tree.def (FUNCTION_DECL): Correct typo in comment.
1123 2005-11-17 Richard Henderson <rth@redhat.com>
1125 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
1126 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
1127 and DW_CFA_def_cfa_sf.
1128 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
1129 (dbx_reg_number): Don't assert particular registers here.
1130 (based_loc_descr): ... do it here instead. Fold in ...
1131 (eliminate_reg_to_offset): ... this function.
1132 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
1133 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
1134 * unwind-dw2.c (execute_cfa_program): Apply data align factor
1135 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
1136 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
1137 (instantiate_virtual_regs): Likewise.
1138 * var-tracking.c (adjust_stack_reference): Likewise.
1139 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
1141 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
1143 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
1144 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
1145 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
1147 ($(T)crtlibid.o): New rule.
1149 2005-11-16 Richard Guenther <rguenther@suse.de>
1152 * fold-const.c (extract_array_ref): Return byte offset
1154 (fold_binary): Fold &x[a] CMP &x[b] to
1155 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
1158 2005-11-16 Richard Henderson <rth@redhat.com>
1161 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
1162 parts of an SSA_NAME.
1164 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
1167 * arm.md (split for movsf with immediate): Restrict split to insns
1168 that set a general register.
1170 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1172 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
1174 * unwind-dw2.c (uw_advance_context): Likewise.
1175 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
1176 _Unwind_SjLj_Unregister.
1177 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
1179 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1181 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
1183 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1185 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
1186 langhook to get a DImode integer type.
1188 2005-11-16 Richard Henderson <rth@redhat.com>
1189 J"orn Rennecke <joern.rennecke@st.com>
1190 Ulrich Weigand <uweigand@de.ibm.com>
1194 * reload1.c (reg_equiv_invariant): New.
1195 (reload): Allocate, initialize, and free it.
1196 (calculate_needs_all_insns): Check it when skipping equivalence
1198 (alter_reg): Likewise.
1199 (eliminate_regs_1): Rename from eliminate_regs. Add new
1200 may_use_invariant argument; only use reg_equiv_invariant when true.
1201 (eliminate_regs): New.
1202 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
1203 a context for which may_use_invariant may be true.
1205 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1207 * fold-const.c (const_binop): Don't constant fold the operation
1208 if the result has overflowed and flag_trapping_math.
1209 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
1211 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1213 * config/arm/unwind-arm.c (abort): Add prototype here.
1214 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
1215 (struct phase1_vrs): Add prev_sp.
1216 (unwind_phase2_forced): Save the original core registers instead of
1217 modifying entry_vrs. Take a new flag argument for resuming unwinding
1218 and set action flags accordingly. Always set _US_END_OF_STACK when
1219 get_eit_entry fails. Unwind before calling the stop function.
1220 (_Unwind_GetCFA): New function.
1221 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
1222 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
1223 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
1224 just call unwind_phase2_forced.
1225 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
1226 * config/arm/unwind-arm.h (abort): Remove prototype.
1227 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
1229 (_Unwind_GetCFA): New prototype.
1230 * config/arm/pr-support.c (abort): Add prototype here.
1231 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
1233 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
1234 not schedule the prologue with non-call exceptions and EABI.
1236 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
1238 * config/arm/unwind-arm.h: Reorder interface function declarations.
1239 (_URC_END_OF_STACK): New enumeration value.
1240 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
1241 (struct _Unwind_Control_Block): Document reserved field use.
1242 (_Unwind_Stop_Fn): New typedef.
1243 (_Unwind_ForcedUnwind): Declare.
1244 (_Unwind_Resume_or_Rethrow): Declare.
1245 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
1247 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
1248 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
1249 (UCB_FORCED_STOP_ARG): New.
1250 (search_EIT_table): Update boundary condition checks.
1251 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
1252 (unwind_phase2): Replace for with do..while.
1253 (unwind_phase2_forced): New.
1254 (__gnu_Unwind_RaiseException): Replace for with do..while.
1255 (__gnu_Unwind_ForcedUnwind): New.
1256 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
1257 Use appropriate phase2 unwinder.
1258 (__gnu_Unwind_Resume_or_Rethrow): New.
1259 (__gnu_unwind_pr_common): Cope with forced unwinding.
1261 2005-11-16 David Edelsohn <edelsohn@gnu.org>
1264 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
1266 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
1267 roundsf2): Remove "s" from mnemonic.
1269 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
1271 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
1273 * config/bfin/crtn.s: Change epilogues to match.
1274 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
1275 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
1276 __PIC__ and __pic__.
1278 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
1281 * doc/invoke.texi: Distinguish between free and fixed form instead of
1282 Fortran and Fortran 90/95. Remove ratfor from the list of supported
1284 * gcc.c (default_compilers): Remove double entries, add entries for
1285 suffixes '.F90' and '.F95'.
1287 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1289 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
1290 in the stack probing loop.
1292 2005-11-15 David Edelsohn <edelsohn@gnu.org>
1294 * configure.ac: Use .machine power5 not power5x.
1295 * configure: Regenerate.
1297 2005-11-15 Mike Stump <mrs@apple.com>
1299 * c-decl.c (lookup_name_two): Add.
1300 * c-tree.h (lookup_name_two): Likewise.
1301 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
1302 * config/darwin-c.c (darwin_pragma_unused): Likewise.
1304 2005-11-16 Alan Modra <amodra@bigpond.net.au>
1306 PR rtl-optimization/23392
1307 * regrename.c (enum scan_actions) Add mark_access.
1308 (scan_actions_name): Ditto.
1309 (scan_rtx_reg): Handle mark_access.
1310 (scan_rtx_address): Do nothing for mark_access.
1311 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
1312 and regs in REG_INC notes before closing chains for dead regs.
1313 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
1314 opening chains for new writes.
1316 2005-11-15 David Edelsohn <edelsohn@gnu.org>
1318 * c.opt (ffixed-line-length-none): New.
1320 2005-11-15 Steve Ellcey <sje@cup.hp.com>
1322 * mklibgcc.in: Change contents of eh_dummy.c.
1324 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
1326 * loop.c (scan_loop): Do not insert temporaries for hard registers.
1328 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
1330 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
1332 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
1334 2005-11-15 Jan Hubicka <jh@suse.cz>
1336 * invoke.texi (large-unit-insns): Document.
1337 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
1338 * params.def (large-unit-insns): New param.
1340 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
1343 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
1344 special register for operand 3. Reindent constraints to align
1347 2005-11-14 David Edelsohn <edelsohn@gnu.org>
1349 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
1350 -mpopcntb, -mfprnd. Add -mcpu=power5+.
1351 * configure.ac: Add test for FP rounding instructions.
1352 * configure: Regenerate.
1353 * config.in: Regenerate.
1354 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1355 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
1357 * config/rs6000/rs6000.opt (mfprnd): New.
1358 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
1359 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
1360 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
1361 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
1362 (TARGET_FPRND): New.
1363 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
1365 (btrunc<mode>2): New.
1367 (floor<mode>2): New.
1368 (round<mode>2): New.
1370 2005-11-14 Geoffrey Keating <geoffk@apple.com>
1372 * gcc.c (version_compare_spec_function): Use fatal() rather than
1375 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
1376 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
1377 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
1379 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
1382 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
1383 on -mmacosx-version-min setting.
1385 2005-11-14 Diego Novillo <dnovillo@redhat.com>
1388 * tree-vrp.c (infer_value_range): Return false if STMT is a
1389 block terminator and its basic block has no successors.
1391 2005-11-14 Mike Stump <mrs@apple.com>
1393 * config/i386/i386.c (override_options): -masm=intel isn't
1394 supported on darwin.
1395 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1397 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
1399 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
1400 vfork after including auto-host.h.
1402 2005-11-15 Alan Modra <amodra@bigpond.net.au>
1404 PR rtl-optimization/22002
1405 * combine.c (distribute_notes): Detect cases where a reg dies
1406 two or more times in a bb, including on the insn we are combining,
1407 and place the death note on the correct range.
1409 2005-11-14 Dale Johannesen <dalej@apple.com>
1411 * expmed.c (store_bit_field): Add offset unconditionally for
1413 (extract_bit_field): Don't force extzv or extv operand into
1414 a register if field is too big.
1416 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1418 * config/arm/arm.c (pic_labelno): New.
1419 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
1420 LABEL_REF. Pass only the labelno to PIC insns.
1421 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1422 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
1423 * arm.md (UNSPEC_PIC_LABEL): New constant.
1424 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
1425 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
1426 Use the correct label prefix.
1428 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1430 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
1433 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
1435 * loop-invariant.c: Include tm_p.h.
1436 * Makefile.in: Updated.
1438 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1440 * pa.c (store_reg): Revise generation of frame notes in large frames.
1441 (set_reg_plus_d): Likewise.
1443 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
1445 PR tree-optimization/24709
1446 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
1449 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
1451 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
1452 and duplicate declaration of pthread_self.
1454 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
1455 Ian Lance Taylor <ian@airs.com>
1458 * calls.c (expand_call): If TARGET is a MEM and some part of the
1459 argument area has been saved, force TARGET to a register.
1461 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
1463 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
1466 2005-11-13 Jason Merrill <jason@redhat.com>
1469 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
1470 lazily declared methods.
1471 (force_decl_die): Stop if forcing out the context already make a
1473 (force_type_die): Likewise.
1475 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
1478 * builtins.c (integer_valued_real_p): Add break in
1479 REAL_CST having TREE_OVERFLOW set.
1481 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
1483 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
1484 addressing modes during calculation of costs.
1486 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
1488 * function.c (assign_stack_local_1): Restrict sanity check
1489 on frame size overflow to 32-bit and above platforms.
1491 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1493 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1494 * config/cris/cris.c: Include reload.h.
1495 (cris_initial_elimination_offset): New function.
1496 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
1499 2005-11-12 Richard Guenther <rguenther@suse.de>
1501 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
1503 2005-11-12 Jan Hubicka <jh@suse.cz>
1505 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
1506 to compare against 0 when possible.
1508 2005-11-12 Jie Zhang <jie.zhang@analog.com>
1510 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
1511 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1512 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
1513 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
1516 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1518 * recog.c (constrain_operands) <case 'g'>: For a match, require
1519 that a non-register matches general_operand when strict >= 0.
1521 2005-11-11 Steven Bosscher <stevenb@suse.de>
1523 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
1526 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1528 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
1529 (memory_address_same): New.
1530 (dse_optimize_stmt): Call memory_address_same.
1532 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1535 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
1536 ZERO_EXTEND>: New cases.
1538 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1540 * longlong.h (__clz_tab): Always provide.
1542 2005-11-11 Steven Bosscher <stevenb@suse.de>
1545 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
1547 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
1548 before check_maybe_invariant.
1549 (move_invariant_reg): Use gen_move_insn instead of replacing
1550 SET_DEST with the temporary for the invariant.
1551 (move_loop_invariants): If checking is enabled, do internal
1552 consistency checks after completing the pass.
1554 2005-11-11 David Edelsohn <edelsohn@gnu.org>
1557 * common.opt (Wvolatile-register-var): New.
1558 * varasm.c (make_decl_rtl): Only emit warning when option
1559 specified. Clarify warning message.
1560 * doc/invoke.texi (Wvolatile-register-var): Document new option.
1562 * doc/md.texi (copysign): Document standard named pattern.
1564 2005-11-11 Jie Zhang <jie.zhang@analog.com>
1566 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
1567 bytes when align is 2.
1568 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
1569 by the first instruction of the loop.
1571 2005-11-11 Jason Merrill <jason@redhat.com>
1574 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
1577 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1579 PR rtl-optimization/22509
1580 * local-alloc.c (memref_used_between_p): Check whether a function call
1581 could not reference the memref.
1583 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
1585 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
1586 algorithm so as to choose the best, not the worst, alternative.
1587 Reset accumulated register class before processing next alternative.
1589 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
1592 * calls.c (expand_call): Copy a return value to a plain register
1595 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
1598 * varasm.c (assemble_name): Recompute name only for transparent
1601 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
1603 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
1605 2005-11-04 Jeff Law <law@redhat.com>
1608 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
1609 perform reassociation if the parent statement will not die as
1610 a result of the optimization.
1612 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
1614 * tree-ssa-alias.c (compute_may_aliases): Remove call to
1615 delete_old_heap_vars.
1616 * tree-dfa.c (referenced_var_remove): Remove function.
1617 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
1618 (delete_tree_ssa): Remove call to delete_old_heapvars.
1619 Add call to delete_alias_heapvars.
1620 * tree-flow.h (referenced_var_remove): Remove prototype
1621 (init_alias_heapvars): New prototype.
1622 (delete_alias_heapvars): Ditto.
1623 * Makefile.in (tree-ssa-structalias.o): Add
1624 gt-tree-ssa-structalias.o
1625 (GTFILES): Add tree-ssa-structalias.h and
1626 tree-ssa-structalias.c.
1627 (s-gtype): Add gt-tree-ssa-structalias.h.
1628 * tree-ssa-structalias.c (heapvars): Remove.
1629 (oldheapvars): Remove.
1630 (heapvar_for_stmt): New variable.
1631 (heapvar_lookup): New function.
1632 (heapvar_insert): Ditto.
1633 (get_constraint_for): See if we have an old heapvar
1635 (init_alias_heapvars): New function.
1636 (delete_alias_heapvars): Ditto.
1637 Add include of gt-tree-ssa-structalias.h.
1639 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1642 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
1644 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
1646 * tree.c (int_fits_type_p): Only look at the base type
1647 if it has the same precision as the original type.
1649 2005-11-10 Jakub Jelinek <jakub@redhat.com>
1652 * varasm.c (assemble_alias): Use %q+D in the error
1653 message instead of %J and %qD.
1655 2005-11-10 Richard Guenther <rguenther@suse.de>
1657 * gcse.c (free_ldst_entry): Only free hashtable if
1660 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1662 * function.c (assign_stack_local_1): Issue an error message if
1663 the frame size overflows in the signed target arithmetics.
1665 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1667 * tree.c (build_qualified_type): Chain the new type to the original
1668 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1669 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1670 (build_pointer_type_for_mode): Only return unqualified types.
1671 (build_reference_type_for_mode): Likewise.
1673 2005-11-09 Jakub Jelinek <jakub@redhat.com>
1675 * Makefile.in (gnucompare): Do comparison of all files using one of
1676 the chosen methods and only afterwards decide if just warning should
1677 be issued or comparison failure raised.
1679 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1681 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
1682 (noce_try_abs): Negate if the comparison is reversed.
1683 Look only one instruction backwards for a REG_EQUAL note.
1685 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1688 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
1689 gthr-tpf.h: Define __gthrw. For all identifiers that might
1690 be weak, introduce weakrefs or non-weak aliases with __gthrw,
1691 and prefix all uses with __ghtrw.
1693 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1696 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
1697 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
1698 * c-common.c (handle_weakref_attribute): New.
1699 (c_common_attribute_table): Add weakref.
1700 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
1702 * configure, config.in: Rebuilt.
1703 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
1704 * doc/extend.texi: Document weakref attribute.
1705 * varasm.c (ultimate_transparent_alias_target): New
1706 (assemble_name): Use it.
1707 (weak_finish_1): Split out of...
1708 (weak_finish): ... and deal with weakrefs in...
1709 (weakref_targets): ... new list.
1710 (globalize_decl): Clean up weakref_targets.
1711 (do_assemble_alias): Handle weakrefs.
1712 (finish_aliases_1): Do not reject weakrefs to external symbols.
1713 (assemble_alias): Handle weakrefs.
1715 2005-11-09 Richard Guenther <rguenther@suse.de>
1717 PR tree-optimization/24716
1718 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
1719 t_bool to track results from follow_ssa_edge.
1721 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1723 * final.c (force_source_line): New global variable.
1724 (final_scan_insn): Set it to true instead of clearing last_filename.
1725 (notice_source_line): Return true if force_source_line is true,
1726 unless source info is absent.
1728 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
1731 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
1732 a linkage name for a variable if it a register variable.
1733 * c-decl.c (grokdeclarator): Global register variables
1734 should be set as PUBLIC.
1736 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1739 * config/s390/s390.c (struct s390_frame_layout): New fields
1740 first_save_gpr_slot and last_save_gpr_slot.
1741 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
1742 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
1743 first_save_gpr and last_save_gpr with the _slot variants.
1744 (s390_register_info): Calculate first_save_gpr_slot and
1745 last_save_gpr_slot using regs_ever_live.
1747 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1750 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
1751 for a function containing a landing pad.
1753 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1756 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
1759 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
1761 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
1762 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
1764 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
1767 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
1769 (call,load,store): New insn types.
1770 (mem_access, branch_access): Adjust reservation conditions.
1771 (define_delay): Adjust condition.
1772 (decrement_and_branch_until_zero): Allow for ms2. Set branch
1774 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
1775 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
1777 (call_internal, call_value_internal, return_internal,
1778 return_interrupt_internal, eh_return_internal, indirect_jump,
1779 tablejump): Set call insn type.
1780 (blockage, ei, di): Use appropriate unspec const.
1781 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
1782 (ms1_get_attr_type): Adjust to give load & store types.
1783 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
1784 backwards past a barrier.
1785 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
1787 (struct branch_info, struct label_info): New.
1789 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
1790 (ms1_machine_reorg): New.
1791 (TARGET_MACHINE_DEPENDENT_REORG): Override.
1792 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
1793 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
1794 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
1797 2005-11-09 Per Bothner <per@bothner.com>
1798 Uros Bizjak <uros@kss-loka.si>
1801 * toplev.c (process_options): Initialize debug_hooks early
1802 in case lang_hooks.post_options ends up calling a debug_hook.
1804 2005-11-08 Jakub Jelinek <jakub@redhat.com>
1806 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
1807 DBX_REGISTER_NUMBER being contiguous.
1809 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
1810 Diego Novillo <dnovillo@redhat.com>
1813 * tree-vrp.c (register_edge_assert_for): Do not register
1814 always-false predicates.
1816 2005-11-08 Devang Patel <dpatel@apple.com>
1818 PR tree-optimization/23115
1819 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
1822 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
1824 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
1827 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
1829 Fix PR tree-optimization/23382
1831 * tree-ssa-alias.c (compute_may_aliases): Call
1832 delete_old_heap_vars.
1833 * tree-dfa.c (referenced_var_remove): New function.
1834 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
1835 * tree-flow.h (referenced_var_remove): Add prototype.
1836 (delete_old_heap_vars): Ditto.
1837 * tree-ssa-structalias.c (heapvars): New variable.
1838 (oldheapvars): Ditto.
1839 (get_constraint_for): Put heap vars on heapvars list.
1840 (delete_old_heap_vars): New function.
1842 2005-11-08 Jason Merrill <jason@redhat.com>
1844 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
1846 2005-11-08 Uros Bizjak <uros@kss-loka.si>
1849 * reg-stack.c (reg_to_stack): Update register liveness also
1850 for flag_sched2_use_traces.
1852 2005-11-08 Alan Modra <amodra@bigpond.net.au>
1855 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
1856 override prior explicit -mno-powerpc-gfxopt.
1858 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
1860 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
1861 if the bitsize is zero.
1862 * doc/md.texi (Standard Pattern Names): Document it.
1864 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
1865 (TARGET_PASS_BY_REFERENCE): Likewise.
1867 2005-11-07 Ian Lance Taylor <ian@airs.com>
1869 PR rtl-optimization/24683
1870 * config/i386/i386.c (legitimize_pic_address): If constant operand
1871 to PLUS is too large, put it in a register.
1873 2005-11-07 Jie Zhang <jie.zhang@analog.com>
1875 * configure.ac: Enable checking assembler dwarf2 support for bfin
1877 * configure: Regenerate.
1879 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1883 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
1884 gen_easy_vector_constant_add_self): Delete.
1885 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
1887 (output_vec_const_move): Use gen_easy_altivec_constant.
1888 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
1889 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
1890 (easy_vector_constant_add_self): Rewritten.
1891 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
1892 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
1893 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
1894 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
1895 Macroize and adjust for the other changes.
1897 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1901 * c-typeck.c (build_c_cast): Try using a shared constant, and see
1902 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
1904 2005-11-07 Jakub Jelinek <jakub@redhat.com>
1906 PR rtl-optimization/23567
1907 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
1908 (noce_process_if_block): Don't do any optimizations except
1909 if (cond) x = x; if !set_b and write into orig_x may trap
1910 or fault. Remove the MEM_READONLY_P check.
1912 2005-11-06 Diego Novillo <dnovillo@redhat.com>
1915 * tree-vrp.c (fix_equivalence_set): New.
1916 (extract_range_from_assert): Call it.
1918 2005-11-05 Ian Lance Taylor <ian@airs.com>
1921 * combine.c (apply_distributive_law): Don't distribute across a
1924 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
1926 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
1927 config/ms1/ms1.h, config/rs6000/predicates.md,
1928 config/s390/s390.c, params.def, postreload-gcse.c,
1929 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
1930 tree-vrp.c, tree.c: Fix comment typos.
1931 * doc/invoke.texi: Fix typos.
1933 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
1935 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
1936 for testing whether the data_dependence_relation contains distance
1937 vectors. Iterate over all distance vectors of the ddr.
1938 * lambda.h: Define a vec of lambda_vector pointers.
1939 * tree-data-ref.c (dump_data_dependence_relation,
1940 dump_data_dependence_direction): Iterate over all distance and
1941 direction vectors of the ddr.
1942 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
1944 (build_classic_dist_vector, build_classic_dir_vector): Push a set
1945 of distance/direction vectors instead of a single one.
1946 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
1947 lambda_vectors with a vec of lambda_vectors.
1948 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
1949 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
1950 DDR_NUM_DIST_VECTS): New.
1951 * tree-loop-linear.c (gather_interchange_stats): Test for the
1952 existence of distance vectors only after having checked that there
1953 is a dependence. Iterate over all distance vectors of the ddr.
1954 (linear_transform_loops): Use dump_data_dependence_relation.
1955 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
1956 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
1957 distance vectors of the ddr.
1959 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
1961 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
1962 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
1963 IS_INTHANDLER; all callers changed.
1964 (n_regs_saved_by_prologue): Take interrupt handler attributes into
1966 (do_link, do_unlink): New argument ALL; all callers changed.
1967 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
1968 If function isn't leaf, save and restore all registers.
1969 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
1972 2005-11-05 Jan Hubicka <jh@suse.cz>
1974 PR rtl-optimization/23490
1975 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
1976 max-flow-memory-location): Document.
1977 * flow.c: Include params.h
1978 (MAX_MEM_SET_LIST_LEN): Kill.
1979 (add_to_mem_set_list): Use new param.
1980 * cse.c (cse_basic_block): Replace 1000 by new param.
1981 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
1982 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
1983 * predict.c (predict_loops): Use new param.
1984 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
1986 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
1987 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
1988 Do not hold memory returned by cgraph_node_name across other call.
1990 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
1993 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
1996 2005-11-04 Jeff Law <law@redhat.com>
1999 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
2000 * tree-ssa-dom.c: Include params.h.
2001 (thread_across_edge): If there are too many statements in the
2002 target block, then do not thread through it.
2003 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
2004 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
2006 2005-11-03 Diego Novillo <dnovillo@redhat.com>
2009 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
2010 TODO_update_ssa instead of TODO_update_ssa_no_phi.
2012 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
2015 * tree-scalar-evolution.c (instantiate_parameters_1,
2016 instantiate_parameters, resolve_mixers): Compute the size of an
2017 expression to be instantiated and give up the instantiation if the
2018 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2020 2005-11-04 Richard Guenther <rguenther@suse.de>
2022 * tree-flow.h (ref_contains_indirect_ref): Rename to
2023 array_ref_contains_indirect_ref.
2024 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
2025 (array_ref_contains_indirect_ref): Make comment match the code
2027 (ref_contains_array_ref): Likewise.
2028 * tree-ssa-structalias.c (find_func_aliases): Remove call to
2029 ref_contains_indirect_ref.
2030 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2031 Rename calls to ref_contains_indirect_ref.
2033 2005-11-04 Paul Brook <paul@codesourcery.com>
2035 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
2036 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
2037 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2038 * config/arm/arm.md: Use match_operand in peephole input templates
2039 and match_dup in peephole output templates.
2041 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2043 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
2046 2005-11-04 Mark Mitchell <mark@codesourcery.com>
2047 Daniel Jacobowitz <dan@codesourcery.com>
2049 * longlong.h (add_ssaaaa): Clobber condition code register
2051 (sub_ddmmss): Likewise.
2052 (umul_ppmm): Likewise.
2054 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2055 Paul Brook <paul@codesourcery.com>
2056 Phil Blundell <pb@reciva.com>
2058 * configure.ac: Add test for ARM TLS support.
2059 * configure: Regenerated.
2060 * config/arm/arm-protos.h (legitimize_tls_address)
2061 (arm_tls_referenced_p, tls_mentioned_p)
2062 (arm_output_addr_const_extra): New prototypes.
2063 (thumb_legitimize_pic_address): Delete.
2064 * config/arm/arm.c: Include "gt-arm.h".
2065 (enum tls_reloc): New.
2066 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
2067 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
2068 (arm_call_tls_get_addr, legitimize_tls_address)
2069 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
2070 (arm_init_tls_builtins, arm_emit_tls_decoration)
2071 (arm_output_addr_const_extra): New functions.
2072 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
2073 (TARGET_HAVE_TLS): Define.
2074 (target_thread_pointer): New.
2075 (arm_override_options): Handle -mtp=.
2076 (legitimize_pic_address): Ignore UNSPECs.
2077 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
2079 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
2080 (tls_get_addr_libfunc): New variable.
2081 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
2082 (arm_init_builtins): Call arm_init_tls_builtins.
2083 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
2084 (arm_encode_section_info): Call default_encode_section_info.
2085 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
2086 (enum arm_tp_type): New.
2087 (target_thread_pointer): Add declaration.
2088 (LEGITIMATE_CONSTANT_P): Handle TLS.
2089 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
2090 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
2091 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
2092 * config/arm/arm.md: Add UNSPEC_TLS.
2093 (movsi): Handle TLS.
2094 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
2096 (tls_load_dot_plus_eight): New insn and a peephole to create it.
2097 (load_tp_hard, load_tp_soft): New insns.
2098 * arm.opt: Add -mtp=.
2099 * doc/invoke.texi (ARM Options): Document -mtp.
2101 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2103 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
2104 * config/arm/libunwind.S: Include "lib1funcs.asm".
2105 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
2106 (LIB2ADDEH): Add libunwind.S.
2107 (LIB2ADDEHDEP): Add lib1funcs.asm.
2108 * mklibgcc.in: Handle asm files in libgcc_eh.a.
2110 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2113 * gcc/c.opt: Add a -lang-fortran option.
2114 * gcc/c-opts.c: Add a lang_fortran flag.
2115 (c_common_init_options): Handling the -lang-fortran option.
2116 (c_common_handle_option): Add a case for Fortran options in
2117 preprocessing. Remove cases for -ffixed-form and
2118 -ffixed-line-length. Add a case for -lang-fortran.
2120 2005-11-03 David Edelsohn <edelsohn@gnu.org>
2122 * config/rs6000/rs6000.c: Include params.h
2123 (optimization_options): Set max-grow-copy-bb-insns default to 16.
2124 (bdesc_2arg): Delete vpkuhss and vpkuwss.
2125 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
2126 (UNSPEC_VPKUWSS): Delete.
2127 (altivec_vpkuhss): Delete.
2128 (altivec_vpkuwss): Delete.
2129 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
2131 (neg_eq0<mode>): Remove final condition.
2132 (neg_eq<mode>): Remove condition and split-condition.
2134 2005-11-04 Alan Modra <amodra@bigpond.net.au>
2136 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
2137 Use associated print macros.
2139 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
2142 * diagnostic.c (diagnostic_set_info_translated): New function.
2143 (diagnostic_set_info): Use it. Add comment.
2144 * diagnostic.h (diagnostic_set_info_translated): Declare.
2146 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
2148 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
2149 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
2150 reference only if 'public' is true.
2151 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
2152 emit the .hidden directive only if the indirect reference is public.
2153 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
2154 Pass it to dw2_force_const_mem.
2155 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
2156 * dwarf2out.c (output_cfi): Adjust calls to above function.
2157 (output_call_frame_info): Likewise.
2158 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
2159 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
2161 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
2163 PR tree-optimization/24483
2164 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
2165 field to elts if possible.
2167 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
2170 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
2173 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
2175 Fix PR tree-optimization/24351
2177 * tree-ssa-structalias.c (struct variable_info): Add
2179 (get_varinfo_fc): New function to follow collapsing.
2180 (new_var_info): Set collapsed_to to NULL.
2181 (dump_constraint): Follow collapsing.
2182 (build_constraint_graph): Handle collapsing.
2183 (do_simple_structure_copy): Return false if something bad
2185 (collapse_rest_of_var): New function.
2186 (do_structure_copy): Collapse if do_simple_structure_copy returns
2189 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
2192 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
2193 expressions to a statement list instead of gimplifying them.
2195 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2197 PR rtl-optimization/23585
2198 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
2199 that can't trap plus a constant integer, if the mode has zero size.
2201 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
2204 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
2206 ("*insv<mode>_reg_extimm"): Likewise.
2208 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
2211 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
2212 c_common_type_for_mode returns an unnamed type.
2214 2005-11-02 Richard Henderson <rth@redhat.com>
2218 * dwarf2out.c (dwarf2out_reg_save_reg): New.
2219 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
2220 * function.c (assign_parms): Use calls.internal_arg_pointer.
2221 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
2223 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
2224 (TARGET_CALLS): Add it.
2225 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
2226 * targhooks.c (default_internal_arg_pointer): New.
2227 * targhooks.h (default_internal_arg_pointer): Declare.
2228 * tree.h (dwarf2out_reg_save_reg): Declare.
2229 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
2230 * config/i386/i386.c (dbx_register_map): Add return column.
2231 (dbx64_register_map, svr4_dbx_register_map): Likewise.
2232 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
2233 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
2234 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
2235 (ix86_save_reg): Save force_align_arg_pointer.
2236 (ix86_emit_save_regs): Make regno unsigned.
2237 (ix86_emit_save_regs_using_mov): Likewise.
2238 (ix86_expand_prologue): Handle force_align_arg_pointer.
2239 (ix86_expand_epilogue): Likewise.
2240 * config/i386/i386.h: (dbx_register_map): Update.
2241 (dbx64_register_map, svr4_dbx_register_map): Update.
2242 (struct machine_function): Add force_align_arg_pointer.
2243 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
2244 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
2245 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
2247 2005-11-02 Jan Hubicka <jh@suse.cz>
2250 * i386.md: Add peep2 for simplyfing array accesses.
2252 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
2255 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
2256 * config/s390/s390.c (s390_decompose_shift_count): New function.
2257 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
2258 (print_shift_count_operand): Use s390_decompose_shift_count.
2259 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
2260 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
2262 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
2265 * loop.c (loop_givs_rescan): Use force_operand to expand
2268 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
2271 * fold-const.c (build_range_check): Use unsigned when signed
2272 overflow is undefined also. If etype is subtype, make sure that
2273 the subtraction is in the supertype.
2275 2005-11-02 Richard Henderson <rth@redhat.com>
2278 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
2281 2005-11-01 Richard Henderson <rth@redhat.com>
2284 * loop.c (scan_loop): Do not propagate computations to a hard
2285 register destination with SMALL_REGISTER_CLASSES.
2287 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
2289 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
2290 costs for MULT inside PLUS or MINUS.
2292 2005-11-01 Bob Wilson <bob.wilson@acm.org>
2294 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
2295 (TRAMPOLINE_SIZE): Round up to 60.
2296 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
2298 2005-10-31 James E. Wilson <wilson@specifix.com>
2301 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
2302 ifdef. Put ifdefs around call in gen_subprogram_die.
2303 (compute_frame_pointer_to_cfa_displacement): Likewise.
2304 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
2307 PR rtl-optimization/17356
2308 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
2309 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
2311 2005-10-31 Jan Hubicka <jh@suse.cz>
2314 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
2317 * i386.c (legitimize_pic_address): Deal with large immediates.
2320 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
2321 from symbol names while computing checkup.
2324 * predict.c (predict_loops): Do not estimate more than
2325 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
2326 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
2328 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
2330 PR tree-optimization/19097
2331 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
2333 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
2335 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
2337 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
2340 * tree-inline.c (setup_one_parameter): If the init_stmt
2341 is NULL, don't insert the statement.
2343 2005-10-30 Jan Hubicka <jh@suse.cz>
2345 PR tree-optimization/24172
2346 * tree-inline.c (copy_body_r): Unshare the substituted value first.
2348 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
2350 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
2351 constants for hosts with long != 32 bits.
2353 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
2356 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
2358 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
2360 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
2361 (TARGET_MS1_16_002): New.
2362 (TARGET_MS1_16_003): New.
2364 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
2365 ("*decrement_and_branch_until_zero_no_clobber"): New.
2366 Add corresponding splitter for decrement_and_branch_until_zero
2368 Key all decrement_and_branch_until_zero patterns off of
2371 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
2374 * tree-complex.c (extract_component): Treat RESULT_DECL
2375 like the rest of the decls.
2377 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
2379 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
2380 indirect call to _mcount if the function needs a static chain.
2382 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
2383 Caroline Tice <ctice@apple.com>
2385 PR rtl-optimization/24460
2386 * dwarf2out.c (have_switched_text_sections): New boolean variable.
2387 (dwarf2out_switch_text_section): Set it to true instead of
2388 incrementing separate_line_info_table_in_use.
2389 (output_loc_list): Additionally test have_switched_text_sections.
2390 (output_ranges): Likewise.
2391 (dwarf2out_finish): Likewise.
2392 * varasm.c (assemble_start_function): Do not call
2393 insert_section_boundary_note.
2394 (assemble_end_function): If flag_reorder_blocks_and_partition,
2395 switch to the function's section before emitting the .size directive.
2396 * bb-reorder.c (insert_section_boundary_note): Staticify.
2397 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
2398 * output.h (insert_section_boundary_note): Delete.
2400 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
2403 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
2404 instead of pointer equality when comparing types.
2406 2005-10-24 James E. Wilson <wilson@specifix.com>
2408 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
2409 add_dependence_list_and_free calls.
2411 2005-10-24 Steven Bosscher <stevenb@suse.de>
2413 * contrib.texi: Add the names of the LLNL folks who donated
2414 Cray pointer support for gfortran.
2416 2005-10-24 Steven Bosscher <stevenb@suse.de>
2418 PR tree-optimization/24225
2419 * profile.c (branch_prob): Look from end to start through a
2420 basic block when looking for a locus.
2422 2005-10-24 Richard Henderson <rth@redhat.com>
2424 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
2426 (hppa_expand_prologue): Likewise.
2428 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2430 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
2431 (NO_DEFERRED_PROFILE_COUNTERS): Define.
2432 * pa.h (NO_PROFILE_COUNTERS): Define.
2433 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
2434 (funcdef_nos): New vector to hold label numbers of deferred profile
2436 (output_deferred_profile_counters): New function.
2437 (hppa_profile_hook): Push label number onto funcdef_nos.
2438 (pa_hpux_file_end): Call output_deferred_profile_counters if
2439 NO_DEFERRED_PROFILE_COUNTERS is false.
2441 * pa-protos.h (get_deferred_plabel): New prototype.
2442 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
2444 (output_call): Adjust calls.
2446 2005-10-24 Alan Modra <amodra@bigpond.net.au>
2448 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
2449 peculiarity of GOT/TOC section usage.
2451 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
2454 * c-common.c (constant_string_class_name): Add documentation.
2456 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
2459 * recog.c (peephole2_optimize): Increment peep2_current_count
2460 only when the slot is empty.
2462 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2465 * except.c (output_function_exception_table): Call
2466 assemble_external_libcall if we need a personality function.
2468 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2470 PR rtl-optimization/24460
2471 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
2472 set the basic block for barriers.
2474 2005-10-21 Janis Johnson <janis187@us.ibm.com>
2476 * var-tracking.c (vt_initialize): Initialize post.
2478 2005-10-21 Devang Patel <dpatel@apple.com>
2481 * c-common.c (vector_types_convertible_p): Check vector element type.
2483 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
2485 * config/sh/sh.c (prepare_move_operands): Handle the address
2486 constant which is a tls symbolic address plus a constant.
2488 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
2491 * gcc.c (main): Use the correct counter for erroring out
2492 about mulitple files.
2494 2005-10-21 Alan Modra <amodra@bigpond.net.au>
2497 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
2498 use r2 for 64-bit tls .got access.
2500 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
2502 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
2505 2005-10-20 Steven Bosscher <stevenb@suse.de>
2507 PR tree-optimization/24307
2508 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
2510 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
2513 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
2515 * varasm.c (find_decl_and_mark_needed): After cgraph global info
2516 is ready, stop marking functions, but still mark variables.
2518 2005-10-20 Richard Guenther <rguenther@suse.de>
2521 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
2524 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
2526 PR rtl-optimization/23585
2527 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
2528 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
2529 (may_trap_p_1): New predicate extracted from...
2530 (may_trap_p): ... here. Invoke may_trap_p_1.
2531 (may_trap_or_fault_p): New predicate.
2532 * rtl.h (may_trap_or_fault_p): Declare it.
2533 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
2534 instead of may_trap_p.
2535 (steal_delay_list_from_fallthrough): Likewise.
2536 (fill_simple_delay_slots): Likewise.
2537 (fill_slots_from_thread): Likewise.
2538 * function.c (pad_to_arg_alignment): Rework comment about
2539 SPARC_STACK_BOUNDARY_HACK.
2540 * config/sparc/sparc.h: Likewise.
2542 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
2544 * config/s390/s390.c (s390_expand_insv): New.
2545 * config/s390/s390-protos.h (s390_expand_insv): Declare.
2546 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
2547 ("icm_hi"): Remove mode attribute.
2548 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
2550 ("*extracthi", "*extractqi"): Remove.
2551 (extv<mode>", "*extzv<mode>"): New.
2552 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
2553 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
2555 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2557 * cfgexpand.c (discover_nonconstant_array_refs_r,
2558 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
2559 (tree_expand_cfg): Call discover_nonconstant_array_refs.
2560 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2561 discover_nonconstant_array_refs.
2563 2005-10-19 Steven Bosscher <stevenb@suse.de>
2566 * c-decl.c (pop_scope): Don't warn about an unused variable
2567 if it is marked with TREE_NO_WARNING.
2568 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
2569 somenow mismatch and olddecl is to be replaced.
2571 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
2574 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
2575 whether registers live on the edge can be saved/restored.
2577 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
2579 * config/sh/sh.c (fixup_mova): Skip notes.
2581 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2583 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
2584 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
2585 (s390_can_eliminate): Handle BASE_REGNUM elimination.
2586 (s390_initial_elimination_offset): Likewise.
2587 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
2588 register on TARGET_ZARCH targets.
2589 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
2590 (INITIAL_FRAME_POINTER_OFFSET): Remove.
2591 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
2592 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
2594 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2596 * config/s390/s390.md: Comment describing output modifiers updated.
2597 * config/s390/s390.c (print_operand): Likewise.
2599 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2601 * config/s390/s390.c (override_options): Added check for -mstack-size
2603 * doc/invoke.texi: Mention that limit in the documenation.
2605 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
2608 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
2610 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
2612 Fix PR tree-optimization/24231
2614 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
2615 (compute_avail): Ditto.
2617 2005-10-18 Richard Henderson <rth@redhat.com>
2620 * config/i386/i386.c (legitimate_constant_p): Check
2621 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
2623 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
2624 (legitimate_pic_address_disp_p): Reorg CONST checking to make
2625 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
2627 (print_operand_address): Likewise.
2628 * config/i386/predicates.md (x86_64_immediate_operand): Test
2629 SYMBOL_REF_TLS_MODEL properly inside CONST.
2630 (x86_64_zext_immediate_operand): Likewise.
2631 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
2632 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
2633 * config/i386/i386-protos.h: Remove predicates.md entries.
2635 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
2637 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2638 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
2640 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
2641 Ian Lance Taylor <ian@airs.com>
2644 * fold-const.c (fold_widened_comparison): Do not allow range based
2645 constant folding when right operand cannot be unwidened.
2647 2005-10-17 Richard Henderson <rth@redhat.com>
2649 * builtins.c (expand_builtin_synchronize): Build a new-style asm
2650 with a memory clobber.
2652 2005-10-17 James E Wilson <wilson@specifix.com>
2654 PR rtl-optimization/17356
2655 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
2656 checking for EDGE_EH.
2658 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
2660 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
2661 the slot on an even boundary for any type with 16-byte alignment.
2663 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
2666 * md.texi (Modifiers) <%>: Clarify that % doesn't work
2667 after register allocation.
2669 2005-10-17 DJ Delorie <dj@redhat.com>
2671 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
2674 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
2677 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
2680 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
2682 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
2683 to 2 if it's already non-zero.
2684 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
2685 is set and warn about it if flag_schedule_insns is 1.
2687 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
2689 * config/crx/crx.md: Compare-and-branch instructions need to
2692 2005-10-17 Uros Bizjak <uros@kss-loka.si>
2695 * config/i386/i386.md (*pushdi2_rex64 splitter)
2696 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
2697 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
2698 flow2 pass only when (optimize > 0 && flag_peephole2).
2700 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
2703 * gcc.c (have_c): New static variable.
2705 (process_command): Remove declation of have_c.
2706 Set have_o to 1 when handling -o.
2707 (main): Add a fatel error if there are multiple
2708 files specified and -o and -c/-S is passed witout
2709 -combine or multiple languages.
2711 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
2713 Fix PR tree-optimization/22444
2714 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
2715 Assert that we don't hit something with subvars.
2716 (setup_pointers_and_addressables): Don't add things with subvars,
2717 because we'll already process the subvars for aliasing purposes.
2719 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
2722 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
2723 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
2724 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
2725 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
2726 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
2727 swapped, alternatives for the R constraint.
2730 * builtins.c (get_builtin_sync_mode): Make unlimited
2731 mode_for_size request.
2733 2005-10-15 Richard Henderson <rth@redhat.com>
2735 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
2736 (gimplify_expr): ... here.
2737 (gimplify_compound_lval): Use it in initial scan loop. Allow
2738 fb_lvalue in base expression.
2740 2005-10-15 Richard Henderson <rth@redhat.com>
2743 * builtins.c (expand_builtin_trap): Export.
2744 * expr.h (expand_builtin_trap): Declare.
2745 * expr.c (expand_assignment): Emit a trap for integral offsets
2746 from registers that weren't reduced to bitpos.
2748 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
2749 (mark_array_ref_addressable): Remove.
2750 * tree-flow.h (mark_array_ref_addressable): Remove.
2751 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
2753 2005-10-15 James E Wilson <wilson@specifix.com>
2756 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
2757 (add_dependence_list_and_free): Likewise.
2758 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
2761 2005-10-15 Diego Novillo <dnovillo@redhat.com>
2765 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
2766 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
2768 (vrp_visit_phi_node): Only prevent infinite iterations when
2769 the previous result and the new result are both VR_RANGEs.
2771 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
2773 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
2776 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2779 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
2782 2005-10-14 Per Bothner <per@bothner.com>
2784 PR preprocessor/21250
2785 * c-ppoutput.c (print_line): Print internal line 0 as 1.
2787 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
2790 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
2791 overflow flags. Refactor some conditionals.
2793 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
2796 * tree-dfa.c (add_referenced_var): Only look at decls which
2797 have TREE_CONSTANT or TREE_READONLY set instead of if
2798 !TREE_PUBLIC or !TREE_CONSTANT.
2800 2005-10-13 James E Wilson <wilson@specifix.com>
2802 * doc/invoke.texi: For -x, add f95-cpp-input.
2803 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
2805 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
2807 PR tree-optimization/24262
2808 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
2809 in loop all the time.
2811 2005-10-12 Richard Henderson <rth@redhat.com>
2814 * tree.h (DECL_TRANSPARENT_UNION): Remove.
2815 * function.c (assign_parm_find_data_types): Don't support it.
2816 * print-tree.c (print_node): Likewise.
2817 * c-common.c (handle_transparent_union_attribute): Likewise.
2818 Use build_duplicate_type.
2819 * tree-inline.c (remap_type_1): Split out of remap_type;
2820 properly remap aggregate fields.
2821 (build_duplicate_type): New.
2822 * doc/extend.texi (Variable Attributes): Remove documentation
2823 for transparent_union.
2825 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2828 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
2829 (gen_stack_pointer_dec): Likewise.
2831 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
2835 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
2837 (struct cxx): Add adjust_class_at_definition target hook.
2838 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
2839 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
2840 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
2841 hook_void_tree. Add to TARGET_CXX.
2842 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
2844 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
2845 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
2846 instead of attribute. Check for dllexport override. Warn if
2847 inconsistent dll linkage. Don't lose old dllimport if decl has
2848 had address referenced. Tweak lookup of dllimport atribute.
2849 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
2850 for target specific rules. Don't add dllimport attribute if
2851 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
2852 dllimport attribute.
2853 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
2854 * varasm.c (initializer_constant_valid_p): Replace
2855 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
2859 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
2860 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
2861 (i[34567]86-*-mingw32*): Likewise.
2863 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
2864 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
2866 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
2867 C++-specific code. Change return value to bool.
2868 (i386_pe_dllimport_p): Likewise.
2869 (associated_type): Simplify and make language-independent
2870 (i386_pe_encode_section_info): Replace override of ambiguous
2871 dllimport symbol refs with a gcc_assert.
2872 (i386_pe_valid_dllimport_attribute_p): Define.
2873 * config/i386/winnt-cxx.c: New file. Define C++ versions of
2874 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2875 i386_pe_adjust_class_at_definition.
2876 * config/i386/winnt-stubs.c: New file. Define stub versions of
2877 lang-specific functions.
2878 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
2879 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2880 i386_pe_adjust_class_at_definition.
2881 (i386_pe_valid_dllimport_attribute_p): Declare.
2882 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
2883 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
2884 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
2887 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
2888 dllimport attribute with test of DECL_DLLIMPORT_P.
2890 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
2892 * combine.c (make_extraction): Correct offset computation.
2894 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
2896 * config/cris/t-linux (LIMITS_H_TEST): Define.
2898 2005-10-12 Richard Henderson <rth@redhat.com>
2901 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
2903 2005-10-12 Richard Guenther <rguenther@suse.de>
2905 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
2907 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
2910 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
2911 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
2914 2005-10-12 Richard Guenther <rguenther@suse.de>
2917 * varasm.c (output_constant): Correct typo from previous
2920 2005-10-11 Ian Lance Taylor <ian@airs.com>
2922 PR rtl-optimization/13931
2923 * combine.c: Revert patch of 2003-05-14, and:
2924 (try_combine): Only set elim_i1 and elim_i2 if the destination is
2925 completely killed in the appropriate insn.
2926 (distribute_notes): Don't skip multiple hard register test for
2927 elim_i1 and elim_i2.
2929 2005-10-11 Richard Henderson <rth@redhat.com>
2932 * c-typeck.c (convert_for_assignment): Use build_constructor_single
2933 to initialize a transparent union instead of a nop_expr.
2935 2005-10-11 Richard Henderson <rth@redhat.com>
2937 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
2938 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
2939 (tree_ssa_dce_loop): Call scev_reset.
2942 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
2943 * tree-ssa-dce.c: Include cfgloop.h.
2944 (tree_ssa_dce_loop, pass_dce_loop): New.
2945 * tree-pass.h (pass_dce_loop): Declare it.
2946 * passes.c (init_optimization_passes): Use it.
2948 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2951 * convert.c (convert_to_real): Revert 2005-10-05 patch.
2952 Only apply the optimization for rounding builtins if the inner
2953 cast is also an extension.
2955 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
2958 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
2959 mark_new_vars_to_rename instead of update_stmt.
2961 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
2963 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
2965 2005-10-11 Jakub Jelinek <jakub@redhat.com>
2967 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
2968 for setting MMX register to 0 rather than mmx.
2970 2005-10-10 Steve Ellcey <sje@cup.hp.com>
2973 * configure.ac: Move gas check from mips specific case to common case.
2974 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
2975 * configure: Regenerate
2976 * doc/install.texi: Update.
2978 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2981 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
2983 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
2985 * gcc.c (do_spec_1): Accept numeric characters in file name
2988 2005-10-10 Nick Clifton <nickc@redhat.com>
2990 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
2991 describing the deleted arm_gen_rotated_half_load function.
2993 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
2995 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
2998 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
3000 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
3002 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
3003 (EXTRA_MULTILIB_PARTS): Define.
3004 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3005 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3006 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
3007 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3008 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3009 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
3011 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
3013 PR tree-optimization/24226
3014 * tree-cfg.c (remove_bb): Clean up unreachable loops.
3015 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
3016 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
3019 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3021 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
3023 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
3026 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
3027 Rewrite for no need for the early clobber.
3029 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
3031 Merge from csl-arm-branch:
3032 2005-09-07 Paul Brook <paul@codesourcery.com>
3033 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
3036 2005-04-30 Paul Brook <paul@codesourcery.com>
3037 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
3038 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
3040 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
3041 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
3042 (arm_override_options): Use TARGET_AAPCS_BASED.
3043 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
3044 (PTRDIFF_TYPE): Use int for AAPCS.
3045 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
3046 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
3047 (DEFAULT_SHORT_ENUMS): Delete.
3048 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
3050 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
3051 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
3052 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
3053 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
3055 2004-12-03 Mark Mitchell <mark@codesourcery.com>
3056 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
3058 2004-11-22 Mark Mitchell <mark@codesourcery.com>
3059 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
3061 2004-11-19 Mark Mitchell <mark@codesourcery.com>
3062 * config.gcc (arm*-*-linux-gnueabi): Add it.
3063 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
3065 (TARGET_OS_CPP_BUILTINS): Likeiwse.
3066 * config/arm/linux-eabi.h: New file.
3067 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
3068 (LINUX_TARET_LINK_SPEC): Likewise.
3069 (LINK_SPEC): Use it.
3070 * config/arm/t-linux-eabi: New file.
3072 2005-10-08 Steven Bosscher <stevenb@suse.de>
3075 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
3077 (PARAM_SMS_DFA_HISTORY): Likewise.
3079 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
3082 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
3083 (load_register_parameters): Call it.
3084 (check_sibcall_argument_overlap_1): Likewise.
3085 (store_one_arg): Likewise.
3087 2005-10-07 James E. Wilson <wilson@specifix.com>
3089 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
3090 DImode not VECINT24 for operand 2.
3093 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
3097 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
3098 fr_spill): Use destination_operand for operand 0.
3100 2005-10-07 DJ Delorie <dj@redhat.com>
3102 * varasm.c (output_constant): Limit error to expanding
3105 2005-10-07 Richard Guenther <rguenther@suse.de>
3108 * fold-const.c (fold_binary): Fix operand types during folding
3109 of X op (A, Y). Evaluation order of the side-effects of
3110 X and A are frontend-defined, so ensure we honour that even for
3111 tcc_comparison class operands; eased by removing duplicate code.
3113 2005-10-07 Steve Ellcey <sje@cup.hp.com>
3115 * stor-layout.c (layout_type): Do not allow alignment of array
3116 elements to be greater than their size.
3118 2005-10-07 Steve Ellcey <sje@cup.hp.com>
3120 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
3122 (hppa*-*-linux*): Ditto.
3123 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
3124 * config/host-hpux.c: New.
3125 * config/x-hpux: New.
3126 * config/pa/x-hpux: Remove.
3127 * config/pa/x-linux: Remove.
3128 * config/pa/pa-host.c: Remove.
3130 2005-10-07 Jeff Law <law@redhat.com>
3132 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
3133 determine whether or not to try and thread outgoing edges.
3135 2005-10-07 David Edelsohn <edelsohn@gnu.org>
3137 * config/rs6000/rs6000.md (eqsi_power): New.
3138 (neg_eq0si): Add TARGET_POWER to final condition.
3141 2005-10-06 Richard Henderson <rth@redhat.com>
3143 * config/rs6000/rs6000.c: Revert last change.
3145 2005-10-06 Richard Henderson <rth@redhat.com>
3147 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
3148 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
3150 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
3154 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
3155 out return_label and naked_return_label.
3157 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
3159 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
3162 2005-10-06 Richard Henderson <rth@redhat.com>
3165 * tree-inline.c (declare_return_variable): Handle modify_dest not
3168 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
3170 Fix PR tree-optimization/22488
3171 * tree-ssa-structalias.c (check_for_overlaps): New function.
3172 (create_variable_info_for): Use it.
3174 2005-10-06 Richard Henderson <rth@redhat.com>
3177 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
3178 (dwarf2out_start_source_file): Print it.
3180 2005-10-06 Geoffrey Keating <geoffk@apple.com>
3182 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
3184 2005-10-06 Richard Henderson <rth@redhat.com>
3187 * mode-switching.c (optimize_mode_switching): Clear transp bit
3188 for block with incomming abnormal edges.
3190 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
3191 (fpscr_set_from_mem): Use them.
3192 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
3193 (fpscr postinc splitters): Rewrite as peephole2+split.
3195 2005-10-06 David Edelsohn <edelsohn@gnu.org>
3197 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
3198 (eq<mode>_compare): Same.
3200 2005-10-06 Richard Guenther <rguenther@suse.de>
3202 PR tree-optimization/24238
3203 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
3205 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
3207 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
3208 here. Use AC_PATH_PROG for environment variables instead of
3210 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
3212 * configure: Regenerated.
3214 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
3217 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
3218 then force it into a register.
3219 (call_value): Likewise.
3221 2005-10-06 Richard Henderson <rth@redhat.com>
3224 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
3225 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
3226 under pass_vectorize.
3228 2005-10-05 Devang Patel <dpatel@apple.com>
3231 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
3232 handling constants. Check NAMESPACE_DECL context for constants.
3234 2005-10-05 Eric Christopher <echristo@apple.com>
3236 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
3238 2005-10-05 Richard Henderson <rth@redhat.com>
3241 * tree-cfg.c (mark_array_ref_addressable_1): New.
3242 (mark_array_ref_addressable): New.
3243 * tree-flow.h (mark_array_ref_addressable): Declare.
3244 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
3246 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
3250 * reload.c (subst_reloads): When adding a REG_LABEL to a
3251 jump instruction, also update JUMP_LABEL.
3253 2005-10-05 David Edelsohn <edelsohn@gnu.org>
3255 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
3256 * bb-reorder.c (copy_bb_p): Use it.
3257 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
3259 2005-10-05 Richard Henderson <rth@redhat.com>
3262 * toplev.c (process_options): Warn about unsupported combinations
3263 of unwind tables and omit-frame-pointer.
3264 * config/i386/i386.c (override_options): Similarly. Enable
3265 accumulate-outgoing-args if not explicitly disabled.
3267 2005-10-05 Steve Ellcey <sje@cup.hp.com>
3269 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
3270 Handle big endian vs. small endian.
3271 (vec_initv2sf): Handle big endian vs. small endian.
3272 (*vec_extractv2sf_1): Ditto.
3274 2005-10-05 Dale Johannesen <dalej@apple.com>
3276 * convert.c (convert_to_real): Don't convert
3277 (float)floor(double d) to floorf((float)d).
3279 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
3281 * config/arm/arm.md (insv): Use gen_int_mode in more places.
3283 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
3285 PR tree-optimization/18587
3286 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
3287 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
3288 build_vuses): Change to VEC type.
3289 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
3290 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
3291 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
3292 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
3293 (get_name_decl): New. Return DECL_UID of base variable.
3294 (operand_build_cmp): New. qsort comparison routine.
3295 (operand_build_sort_virtual): New. Sort virtual build vector.
3296 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
3297 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
3298 (FINALIZE_BASE): Use get_name_decl.
3299 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
3300 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
3301 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
3302 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
3303 direct VEC_* manipulations.
3304 (build_ssa_operands): Call operand_build_sort_virtual.
3305 (copy_virtual_operand, create_ssa_artficial_load_stmt,
3306 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
3307 with direct VEC_* manipulations.
3308 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
3309 with direct VEC manipulations.
3311 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
3313 PR tree-optimization/21419
3314 PR tree-optimization/24146
3315 PR tree-optimization/24151
3317 * c-typeck.c (readonly_error): Handle USE being lv_asm.
3318 (build_asm_expr): Call it if outputs are read-only.
3319 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
3321 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
3322 Paolo Bonzini <bonzini@gnu.org>
3326 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
3327 enable the instructions and not just the built-ins.
3328 * doc/invoke.texi (x86 Options): Likewise.
3330 2005-10-04 Geoffrey Keating <geoffk@apple.com>
3332 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
3334 * doc/invoke.texi (Option Summary): Correct spelling
3335 of -mmacosx-version-min.
3337 2005-10-04 Devang Patel <dpatel@apple.com>
3339 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
3342 2005-10-04 Steve Ellcey <sje@cup.hp.com>
3344 * tree-vect-transform.c (vect_create_epilog_for_reduction):
3345 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
3347 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
3349 * config/s390/s390.md ("TDSI","DP"): New mode macros.
3350 ("TE","tg"): New mode attributes.
3351 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
3352 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
3353 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
3354 dword_mode and one for GPRmode.
3356 2005-10-04 Ian Lance Taylor <ian@airs.com>
3358 PR preprocessor/13726
3359 * c-ppoutput.c (cb_include): Add comments parameter, and print out
3360 any comments passed in.
3362 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3364 * tree.c (annotate_with_file_line): Fix typo.
3366 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3369 * builtins.c (fold_builtin_memcmp): When constructing the pointer
3370 type used to access data in the inlined length == 1 case, use
3371 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
3372 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
3374 2005-10-04 Uros Bizjak <uros@kss-loka.si>
3376 * config/i386/i386.h (TARGET_FISTTP): Enable also for
3377 TARGET_SSE3 and only for TARGET_80387.
3378 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
3379 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
3380 Do not depend on TARGET_80387.
3382 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3384 * tree.c (last_annotated_node): Change type to location_t*.
3385 (annotate_with_file_line): Reflect the change of
3386 last_annotated_node type.
3388 2005-10-04 Richard Guenther <rguenther@suse.de>
3391 * c-decl.c (grokdeclarator): Don't write to fields
3394 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3397 * c-decl.c (finish_decl): Use set_user_assembler_name even for
3399 * varasm.c (make_decl_rtl): If a register variable does not
3400 have a set user assmbler name, error out.
3401 Decode the asmspec is now name+1 bypassing '*'.
3403 2005-10-04 Steven Bosscher <stevenb@suse.de>
3405 PR tree-optimization/23049
3406 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
3407 of a COND_EXPR is folded before calling fold on the whole rhs of a
3408 conditional assignment.
3409 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
3410 document that a COND_EXPR may appear there.
3412 2005-10-03 Diego Novillo <dnovillo@redhat.com>
3415 * tree-vrp.c (extract_range_from_assert): If the new numeric
3416 range created out of the assertion contradicts the existing
3417 numeric range of the ASSERT_EXPR variable, make the new range
3420 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
3422 * config/sh/sh.c (sh_register_move_cost): Add case for moving
3423 from T_REGS to FP register class.
3425 2005-10-03 Richard Henderson <rth@redhat.com>
3428 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
3429 before creating a new one.
3431 2005-10-03 David Edelsohn <edelsohn@gnu.org>
3433 * config/rs6000/t-aix43 (LDFLAGS): New.
3434 * config/rs6000/t-aix52 (LDFLAGS): New.
3436 2005-10-03 Ian Lance Taylor <ian@airs.com>
3438 * gimplify.c (find_single_pointer_decl_1): New static function.
3439 (find_single_pointer_decl): New static function.
3440 (internal_get_tmp_var): For a formal variable, set restrict base
3441 information if appropriate.
3442 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
3444 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
3445 (DECL_GET_RESTRICT_BASE): Define.
3446 (SET_DECL_RESTRICT_BASE): Define.
3447 (decl_restrict_base_lookup): Declare.
3448 (decl_restrict_base_insert): Declare.
3449 (struct tree_decl_with_vis): Add based_on_restrict_p field.
3450 * tree.c (restrict_base_for_decl): New static variable.
3451 (init_ttree): Initialize restrict_base_for_decl.
3452 (copy_node_stat): Copy restrict base information.
3453 (decl_restrict_base_lookup): New function.
3454 (decl_restrict_base_insert): New function.
3455 (print_restrict_base_statistics): New static function.
3456 (dump_tree_statistics): Call print_restrict_base_statistics.
3458 2005-10-02 Diego Novillo <dnovillo@redhat.com>
3461 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
3462 case of anti-ranges.
3464 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
3467 * c-typeck.c (tagged_tu_seen): Rename to ...
3468 (tagged_tu_seen_cache): this and add val field.
3469 (comptypes): Move functional to comptypes_internal
3470 and free tagged_tu_seen.
3471 (comptypes_internal): New function and call comptypes_internal
3472 instead of comptypes. Speed up by sibcalling
3473 tagged_types_tu_compatible_p.
3474 (alloc_tagged_tu_seen): New function
3475 (free_all_tagged_tu_seen_up_to): New function.
3476 (tagged_types_tu_compatible_p): Return the val of the seen two
3478 Add that the two types are the same to tagged_tu_seen_base
3479 if they are and call comptypes_internal instead of comptypes.
3480 <case UNION_TYPE>: Speed up common type where the fields are
3482 (function_types_compatible_p): Call comptypes_internal instead of
3484 (type_lists_compatible_p): Likewise.
3485 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
3487 2005-10-02 Matthias Klose <doko@debian.org>
3489 * doc/invoke.texi: Fix typo and speling error.
3491 2005-10-01 Richard Henderson <rth@redhat.com>
3493 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
3495 2005-10-01 Mark Mitchell <mark@codesourcery.com>
3497 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
3498 using --start-group and --end-group.
3500 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3502 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
3503 FIXME note regarding quirky semantics.
3505 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3508 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
3509 non-null range as a last resort.
3511 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
3512 Diego Novillo <dnovillo@redhat.com>
3515 * tree-vrp.c (extract_range_from_assert): For !=
3516 assertions, only build an anti-range if LIMIT is a
3517 single-valued range.
3519 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
3521 * arm.md (movqi): On thumb when optimizing, handle loading from
3522 memory by describing this as taking a subreg of a zero-extended load
3523 into an SImode register.
3526 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
3528 * reload1.c (merge_assigned_reloads): Do not change any
3529 RELOAD_FOR_OUTPUT_ADDRESS reloads.
3531 2005-09-30 Geoffrey Keating <geoffk@apple.com>
3533 * Makefile.in (LIPO_FOR_TARGET): Define.
3534 (STRIP_FOR_TARGET): Define.
3536 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
3537 before creating new ones. Do symlinks before creating the actual
3540 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
3541 to work out which multilibs are actually being built.
3543 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
3545 * tree-vect-transform.c, config/ms1/ms1.md,
3546 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
3547 Follow spelling conventions.
3548 * doc/invoke.texi, doc/md.texi: Fix typos.
3550 2005-09-30 Andrew Macleod <amacleod@redat.com>
3552 PR tree-optimization/21430
3553 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
3554 use operands, and set stmt pointer if need be.
3555 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
3556 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
3559 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3562 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
3564 2005-09-29 Mark Mitchell <mark@codesourcery.com>
3566 * optabs.c (expand_binop): Initialize first_pass_p.
3568 2005-09-29 Jakub Jelinek <jakub@redhat.com>
3571 * c-decl.c (c_write_global_declarations_1): If any
3572 wrapup_global_declaration_2 call returned true, restart the loop.
3574 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
3576 Fix PR tree-optimization/24117
3577 * tree-ssa-structalias.c (find_func_aliases): Strip nops
3578 before considering whether to use anyoffset.
3580 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3584 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3586 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3588 (swap_commutative_operands_with_target): New.
3590 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3593 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
3596 2005-09-29 Steven Bosscher <stevenb@suse.de>
3598 PR tree-optimization/23911
3599 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
3600 and IMAGPART_EXPR too.
3602 2005-09-28 Mark Mitchell <mark@codesourcery.com>
3605 * expmed.c (expand_shift): Move logic to reverse rotation
3606 direction when rotating by constants ...
3607 * optabs.c (expand_binop): ... here.
3608 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
3609 (ix86_rotrdi3): New pattern.
3610 (rotldi3): Handle 32-bit mode.
3611 (ix86_rotldi3): New pattern.
3613 2005-09-29 Alan Modra <amodra@bigpond.net.au>
3616 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
3617 check for numbers that need no bit twiddle.
3619 2005-09-28 Geoffrey Keating <geoffk@apple.com>
3621 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
3622 multilib to be built.
3624 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
3625 (stage1-start): Delete old libgcc and libunwind before moving
3626 anything into the stage directory.
3627 (stage2-start): Likewise.
3628 (stage3-start): Likewise.
3629 (stage4-start): Likewise.
3630 (stageprofile-start): Likewise.
3631 (stagefeedback-start): Likewise.
3632 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
3633 header in tm_file and CPU-specific t-darwin in tmake_file.
3634 (i[34567]86-*-darwin*): Don't change tm_file.
3635 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
3636 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
3637 shared library stub for target OS version.
3638 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
3639 (SHLIB_LINK): Don't make SHLIB_SOLINK.
3640 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
3641 (libgcc_s.%.dylib): New.
3643 (install-darwin-libgcc-stubs): New.
3644 (INSTALL_LIBGCC): New append.
3645 * config/i386/darwin-libgcc.10.4.ver: New.
3646 * config/i386/darwin-libgcc.10.5.ver: New.
3647 * config/i386/t-darwin: New.
3648 * config/rs6000/darwin-libgcc.10.4.ver: New.
3649 * config/rs6000/darwin-libgcc.10.5.ver: New.
3650 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
3651 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
3653 2005-09-28 Paul Brook <paul@codesourcery.com>
3655 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
3658 2005-09-28 Richard Guenther <rguenther@suse.de>
3660 PR tree-optimization/23853
3661 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
3662 host_integerp to verify misalignment value.
3664 2005-09-28 Richard Henderson <rth@redhat.com>
3666 * builtins.c (get_builtin_sync_mode): New.
3667 (expand_builtin_sync_operation): Pass in mode argument.
3668 (expand_builtin_compare_and_swap): Likewise.
3669 (expand_builtin_lock_test_and_set): Likewise.
3670 (expand_builtin_lock_release): Likewise.
3671 (expand_builtin): Update to match.
3673 2005-09-28 Nick Clifton <nickc@redhat.com>
3675 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
3676 formatting. Add check to PLUS case to ensure that the offset is
3677 within an acceptable range.
3679 * config/v850/v850.md (casesi): Disable the generation of the
3680 switch pattern as it is not being handled properly at the moment.
3682 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
3683 for when the high words are identical.
3685 2005-09-27 Richard Henderson <rth@redhat.com>
3687 * pretty-print.c (pp_base_format): Fix typo for %>.
3689 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
3690 Devang Patel <dpatel@apple.com>
3692 PR tree-optimization/23625
3693 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
3694 LABEL_EXPR, assertion check.
3696 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
3698 * optabs.c (no_conflict_move_test): Check if a result of a
3699 to-be-moved insn would be clobbered by an originally
3702 2005-09-27 Jeff Law <law@redhat.com>
3704 * passes.c (init_optimization_passes): Replace copy propagation
3705 passes immediately after DOM with phi-only copy propagation
3706 pases. Add phi-only copy propagation pass after first DOM pass.
3707 * tree-pass.h (pass_phi_only_copy_prop): Declare.
3708 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
3709 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
3710 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
3711 to init_copy_prop. Callers updated.
3712 (do_phi_only_copy_prop): New function.
3713 (pass_phi_only_copy_prop): New pass descriptor.
3715 2005-09-27 Nick Clifton <nickc@redhat.com>
3717 * libgcc2.c (__popcount_tab): Remove redundant prototype.
3719 2005-09-26 Jason Merrill <jason@redhat.com>
3722 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
3724 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
3726 2005-09-26 James E Wilson <wilson@specifix.com>
3728 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
3729 copyright. Add gcc copyright plus libgcc exception.
3730 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
3732 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
3734 2005-09-26 Jeff Law <law@redhat.com>
3736 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
3737 about when to iterate.
3739 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
3742 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
3743 for __complex__ double in -mcpu=G5 mode.
3745 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
3747 PR tree-optimization/23942
3748 * Makefile.in (SCEV_H): Depends on PARAMS_H.
3749 * tree-scalar-evolution.c: Include params.h.
3751 (follow_ssa_edge, follow_ssa_edge_in_rhs,
3752 follow_ssa_edge_in_condition_phi_branch,
3753 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
3754 Change return type to t_bool. Use a parameter to limit the size of
3755 trees that are walked before stopping
3756 (analyze_evolution_in_loop): Initialize the limit to 0.
3757 (follow_ssa_edge): Give up by returning t_dont_know if the limit
3758 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3760 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3763 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
3764 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
3766 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
3768 * combine.c (make_extraction): Check for valid use of subreg.
3770 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3773 * config/i386/i386.md ("*fistdi2_1"): New pattern.
3774 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
3775 ("fist<mode>2_with_temp"): Use only register operands.
3777 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
3779 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
3780 CALL_INSN_FUNCTION_USAGE.
3782 2005-09-26 Richard Guenther <rguenther@suse.de>
3785 * gcse.c: Include hashtab.h, define ldst entry hashtable.
3786 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
3787 (ldst_entry): Use the hashtable instead of list-walking.
3788 (find_rtx_in_ldst): Likewise.
3789 (free_ldst_entry): Free the hashtable.
3790 (compute_ld_motion_mems): Create the hashtable.
3791 (trim_ld_motion_mems): Remove entry from hashtable if
3792 removing it from list.
3793 (compute_store_table): Likewise^2.
3794 (store_motion): Free hashtable in case we did not see
3797 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
3799 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
3800 and arg1 if we are passing them to fold_build2.
3802 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
3805 * config/i386/i386.c (ix86_function_regparm): Fix the test for
3808 2005-09-25 Richard Henderson <rth@redhat.com>
3810 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
3811 SYMBOL_REF_TLS_MODEL to be correct.
3813 2005-09-24 Richard Henderson <rth@redhat.com>
3815 * ipa-type-escape.c (discover_unique_type): Remove dead code at
3816 end of function. Reindent.
3818 2005-09-24 Ian Lance Taylor <ian@airs.com>
3820 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
3821 NEGATE_EXPR/BIT_NOT_EXPR case.
3823 2005-09-24 Richard Henderson <rth@redhat.com>
3825 * c-common.c (handle_mode_attribute): When not modifying in place,
3826 create subtypes for enumerations.
3827 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
3828 * gimplify.c (create_tmp_from_val): Likewise.
3830 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
3832 * config/i386/i386.md (*tls_global_dynamic_64,
3833 *tls_local_dynamic_base_64): Add missing mode to call.
3834 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
3836 2005-09-24 Jan Hubicka <jh@suse.cz>
3838 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
3839 (cgraph_clone_node): Likewise.
3840 * cgraph.h (cgraph_clone_edge): Update prototype.
3841 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
3842 duplicated prototypes; add updating argument.
3843 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
3844 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
3846 (cgraph_mark_inline_edge): Likewise.
3847 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
3848 (cgraph_flatten_node): Likewise.
3849 (cgraph_decide_recursive_inlining): Likewise.
3850 (cgraph_decide_inlining_of_small_function): Likewise.
3851 * tree-optimize.c (tree_rest_of_compilation): Likewise.
3853 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3854 Pete Steinmetz <steinmtz@us.ibm.com>
3856 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
3857 (rldic.): Set type to "compare".
3859 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
3860 mfjmpr for MFCTR/MFLR.
3861 (movdf_hardfloat64): Same.
3862 (movdf_softfloat64): Same. Correct order of store and move types.
3863 (movti_string): Set type to store_ux/load_ux.
3864 (load_multiple): Set type to load_ux.
3865 (store_multiple): Set type to store_ux.
3866 (movmemsi): Set type to store_ux.
3867 (output_cbranch direct_return): Set type to jmpreg.
3868 (stmw): Set type to store_ux.
3869 (lmw): Set type to load_ux.
3870 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
3871 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
3872 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
3873 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
3874 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
3875 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
3876 (rios1-fpstore): Increase latency to 3.
3877 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
3878 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
3880 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3881 Andrew Pinski <pinskia@physics.uc.edu>
3883 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
3884 operand2 constraint to "b".
3885 (sync_<fetchop_name>di_internal): Same.
3886 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
3888 (sync_old_<fetchop_name>di_internal): Same.
3889 (sync_new_<fetchop_name>si_internal): Same.
3890 (sync_new_<fetchop_name>di_internal): Same.
3892 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
3895 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
3896 case, define as macros.
3898 PR rtl-optimization/23837
3899 * optabs.c (no_conflict_move_test): Don't set must_stay for a
3900 clobber / clobber match between dest and p->first.
3902 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
3903 (no_conflict_move_test): Update comments.
3905 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3907 * doc/install.texi: Update URL for Jacks.
3908 * doc/sourcebuild.texi: Likewise.
3910 2005-09-22 David Edelsohn <edelsohn@gnu.org>
3913 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
3914 registers when choosing register preferences.
3915 (movdf_hardfloat64): Same.
3917 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
3919 * expmed.c (expand_shift): Don't use the target of the rotate as
3920 target for the first expanded shift insn.
3921 * testsuite/gcc.dg/20050922-1.c: Testcase added.
3923 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
3925 PR tree-optimization/22438
3926 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
3927 preserved iv rhs rewriting specially.
3929 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
3931 * tree-data-ref.c (analyze_array_indexes): Only estimate when
3932 estimate_only is true.
3933 * tree-flow.h (ref_contains_indirect_ref): New prototype.
3934 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
3935 tree-ssa-structalias.c
3936 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
3937 ref_contains_indirect_ref.
3938 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
3940 2005-09-21 DJ Delorie <dj@redhat.com>
3942 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
3944 (mn10300_return_in_memory): Support variable size types also.
3945 (mn10300_pass_by_reference): Likewise.
3946 (mn10300_function_value): New.
3947 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
3948 (FUNCTION_OUTGOING_VALUE): Likewise.
3949 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
3950 * doc/invoke.texi: Document it.
3952 2005-09-21 Uros Bizjak <uros@kss-loka.si>
3955 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
3956 force integer op1 into register for XFmode compares.
3958 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3961 * expmed.c (alg_code): Add alg_impossible.
3962 (alg_hash_entry): Add cost.
3963 (synth_mult): Record alg_impossible in the hash table if
3964 multiplication by a given integer is impossble within the
3965 limit. Speed up using alg_impossible.
3967 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
3969 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
3970 argument. Allow and set any offset if needs_anyoffset is passed
3972 (get_constraint_for): Add argument here too.
3974 (do_structure_copy): Pass NULL to get_constraint_for.
3975 (handle_ptr_arith): Ditto.
3976 (find_func_aliases): Ditto.
3978 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
3980 PR rtl-optimization/23898
3981 * output.h (get_attr_min_length): Declare.
3982 * final.c (get_attr_length_1): New function, broken out of:
3984 (get_attr_min_length): New function.
3985 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
3986 (duplicate_computed_gotos): Likewise.
3987 * genattr.c (insn_min_length): Generate declaration.
3988 * genattrtab.c (min_fn, min_attr_value): New functions.
3989 (make_length_attrs): Generate insn_min_length.
3991 2005-09-20 Steve Ellcey <sje@cup.hp.com>
3993 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
3995 2005-09-20 Richard Henderson <rth@redhat.com>
3997 PR tree-optimization/24059
3998 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
4001 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
4003 * c.opt (fextended-identifiers): New.
4004 * c-opts.c (c_common_handle_option): Handle
4005 -fextended-identifiers.
4006 * doc/cpp.texi: Update documentation of extended identifiers.
4007 * doc/cppopts.texi (-fextended-identifiers): Document.
4009 2005-09-20 Jakub Jelinek <jakub@redhat.com>
4011 PR tree-optimization/23929
4012 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
4015 PR tree-optimization/23818
4016 * tree-stdarg.c (execute_optimize_stdarg): Call
4017 calculate_dominance_info.
4019 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
4021 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
4022 (analyze_siv_subscript_cst_affine): Add weak SIV test.
4023 (compute_overlap_steps_for_affine_1_2): Use
4024 get_number_of_iters_for_loop.
4025 (analyze_subscript_affine_affine): Check whether difference is
4027 Use get_number_of_iters_for_loop.
4028 Check whether overlap occurs outside of bounds.
4029 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
4031 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
4033 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
4034 base register if possible.
4036 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
4038 PR tree-optimization/18463
4039 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
4040 converting it directly is not possible.
4041 (chrec_convert_aggressive): New function.
4042 * tree-chrec.h (chrec_convert_aggressive): Declare.
4043 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
4044 Fold chrec conversions aggressively if asked to.
4045 (instantiate_parameters): Modified because of changes in
4046 instantiate_parameters_1.
4048 2005-09-19 Richard Henderson <rth@redhat.com>
4050 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
4051 (reduc_splus_v2df): New.
4053 2005-09-19 Richard Sandiford <richard@codesourcery.com>
4055 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
4056 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
4058 2005-09-19 Richard Henderson <rth@redhat.com>
4060 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
4063 2005-09-19 Richard Henderson <rth@redhat.com>
4065 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
4066 (ia64_expand_dot_prod_v8qi): New.
4067 * config/ia64/ia64-protos.h: Update.
4068 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
4069 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
4070 sdot_prodv8qi, sdot_prodv4hi): New.
4071 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
4073 2005-09-19 Richard Henderson <rth@redhat.com>
4076 * real.c (exact_real_truncate): Return false if the format cannot
4077 represent the number as a normal.
4079 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
4080 for a memory source.
4082 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
4084 * tree-ssa-operands.c (swap_tree_operands): Export.
4085 * tree.h (swap_tree_operands): Declare.
4086 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
4087 Call swap_tree_operands.
4089 2005-09-19 Richard Henderson <rth@redhat.com>
4091 * tree-flow.h (merge_alias_info): Declare.
4092 * tree-ssa-copy.c (merge_alias_info): Export.
4093 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
4094 (vect_create_data_ref_ptr): Use create_iv directly.
4095 (vectorizable_load): Use correct types for integer constants.
4096 (vect_generate_tmps_on_preheader): Likewise.
4097 (vect_gen_niters_for_prolog_loop): Likewise.
4099 2005-09-19 Steven Bosscher <stevenb@suse.de>
4101 PR rtl-optimization/23943
4102 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
4104 2005-09-18 Jan Hubicka <jh@suse.cz>
4106 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
4108 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
4110 * varasm.c (output_constant): Do not abort on conversions to union
4111 types between different sizes.
4113 2005-09-18 Richard Guenther <rguenther@suse.de>
4116 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
4119 2005-09-18 Paul Brook <paul@codesourcery.com>
4121 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
4123 2005-09-17 Richard Henderson <rth@redhat.com>
4125 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
4126 * tree-ssa-loop.c (pass_vect_dce): Remove.
4127 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
4130 2005-09-17 Richard Henderson <rth@redhat.com>
4132 * tree-pass.h (pass_vect_dce): Declare.
4133 * passes.c (init_optimization_passes): Add it.
4134 * tree-flow.h (tree_ssa_dce): Declare.
4135 * tree-ssa-dce.c (tree_ssa_dce): Export.
4136 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
4137 (gate_tree_vectorize): ... here.
4138 (pass_vect_dce): New.
4140 2005-09-17 Jan Hubicka <jh@suse.cz>
4142 * except.c (struct eh_status): Turn region_array into vec.
4143 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
4144 convert_from_eh_region_ranges, find_exception_handler_labels,
4145 current_function_has_exception_handlers, assign_filter_values,
4146 build_post_landing_pads, dw2_build_landing_pads,
4147 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
4148 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
4149 foreach_reachable_handler, can_throw_internal_1,
4150 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
4152 (duplicate_eh_region_1): Update region_array.
4153 (duplicate_eh_regions): Resize region_array and avoid recomputing.
4155 2005-09-17 David Edelsohn <edelsohn@gnu.org>
4158 * expmed.c (expand_mult): Substitute simple register for op0 when
4161 2005-09-17 Richard Henderson <rth@redhat.com>
4163 * expr.c (emit_move_via_integer): Add force argument, pass it on
4164 to emit_move_change_mode. Update callers.
4165 (emit_move_complex): Pass true to new force argument.
4166 * function.c (expand_function_end): Move expand_eh_return call
4167 earlier. Merge sub-word complex values into a pseudo before
4168 copying to the return hard register.
4170 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
4172 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
4173 between different sizes.
4175 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
4179 * passes.c (init_optimization_passes): Register dump files for
4182 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
4184 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
4185 * config/s390/s390.c (s390_overlap_p): New function.
4186 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
4187 peephole2, "*xc" peephole2): Added overlap check to the peephole2
4190 2005-09-16 Richard Guenther <rguenther@suse.de>
4192 * ipa-pure-const.c (static_execute): Free auxiliar information.
4193 * ipa-type-escape.c (discover_unique_type): Free temporary key.
4194 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
4196 2005-09-15 DJ Delorie <dj@redhat.com>
4198 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
4200 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
4202 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4204 (swap_commutative_operands_with_target): New.
4206 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
4208 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
4211 (estimate_iters_using_array): New function.
4212 * tree-data-ref.h (estimate_iters_using_array): Prototype
4213 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4214 Use estimate_iters_using_array instead of analyze_array.
4216 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
4218 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
4221 2005-09-15 Michael Matz <matz@suse.de>
4223 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
4225 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
4227 PR tree-optimization/23835
4228 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
4229 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
4231 2005-09-14 Richard Henderson <rth@redhat.com>
4233 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
4234 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
4236 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
4238 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
4239 in the ARRAY_TYPE case.
4241 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
4243 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
4245 2005-09-14 Uros Bizjak <uros@kss-loka.si>
4248 * tree-vect-transform.c (vectorizable_operation): Return false for
4249 scalar shift operations and for vector shift operations with
4250 non-invariant shift arguments. Use scalar tree operand op1 as
4251 a shift operand when vector shift insn pattern uses scalar shift
4253 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
4255 2005-09-14 Olivier Hainque <hainque@adacore.com>
4257 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
4258 value if it has side-effects.
4260 2005-09-14 David Edelsohn <edelsohn@gnu.org>
4263 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
4265 2005-09-14 Alan Modra <amodra@bigpond.net.au>
4267 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
4268 passed as NAME as if it were label at start of function code.
4270 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
4272 * config/sh/sh.md (*movv4sf_i): Add general register cases to
4275 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4277 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
4278 as early clobber. Rewrite so the PIC register is not implicitly used.
4280 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4282 * tree.c (annotate_with_file_line): Compare line numbers before
4285 2005-09-13 Uros Bizjak <uros@kss-loka.si>
4288 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
4289 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
4291 2005-09-13 Ian Lance Taylor <ian@airs.com>
4293 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
4294 than a HOST_WIDEST_INT to gen_doloop_begin.
4296 2005-09-13 Diego Novillo <dnovillo@redhat.com>
4298 * tree-dfa.c (dump_variable): Guard against NULL annotations.
4300 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
4302 PR tree-optimize/23817
4303 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
4305 2005-09-13 Alan Modra <amodra@bigpond.net.au>
4308 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
4309 word before changing the stack pointer. Use gen_frame_mem for MEMs.
4310 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
4311 (restore_stack_nonlocal): Likewise.
4312 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
4314 2005-09-12 Ian Lance Taylor <ian@airs.com>
4317 * c.opt (ffriend-injection): New C++ option.
4318 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
4319 (C++ Dialect Options): Document -ffriend-injection.
4321 2005-09-12 Josh Conner <jconner@apple.com>
4324 * ipa-reference.c (static_execute): Don't mark variables in
4325 named sections TREE_READONLY.
4327 2005-09-12 Alan Modra <amodra@bigpond.net.au>
4329 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
4332 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4334 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
4335 V_MUST_DEF instead of just the first_use_p.
4336 Don't mark the virtual variables for renaming on the statement which
4338 (pass_dse): Remove TODO_update_ssa.
4340 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
4343 * stor-layout.c (compute_record_mode): For records with a single
4344 field, actually check the field's mode size against the type size.
4346 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
4347 registers for TARGET_SHMEDIA.
4348 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
4349 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
4350 of GENERAL_REGS and FP_REGS.
4352 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
4354 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
4356 2005-09-12 Alan Modra <amodra@bigpond.net.au>
4358 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
4359 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
4360 are omitted. Exclude stack_tie insn too.
4362 2005-09-11 David Edelsohn <edelsohn@gnu.org>
4364 PR rtl-optimization/23098
4365 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
4367 * config/rs6000/rs6000.md (movdf splitter): Use
4368 const_double_operand predicate for TARGET_POWERPC64.
4369 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
4370 SYMBOL_REF method to ABI_V4.
4372 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
4373 replace_equiv_address.
4374 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
4375 rs6000_sr_alias_set and MEM_NOTRAP.
4376 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
4378 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
4380 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
4381 handle CALL_EXPR again.
4383 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
4385 * arm/predicates.md (alignable_memory_operand): Delete.
4387 2005-09-10 Richard Henderson <rth@redhat.com>
4390 * dbxout.c (dbxout_expand_expr): New.
4391 (dbxout_symbol): Use it.
4393 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
4395 * arm.c (arm_gen_rotated_half_load): Delete.
4396 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
4397 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
4398 (thumb_set_return_address): Likewise.
4399 (thumb_load_double_from_address): Use adjust_address.
4400 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
4401 (extendhsisi2_mem, movhi_bytes): Use change_address.
4402 (movhi): Use widen_memory_access.
4403 (reload_out_df): Use replace_equiv_address.
4404 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
4406 2005-09-09 Richard Henderson <rth@redhat.com>
4409 * dbxout.c: Include expr.h.
4410 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
4411 (dbxout_symbol): Handle DECL_VALUE_EXPR.
4412 * Makefile.in (dbxout.o): Add EXPR_H.
4414 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
4416 PR tree-optimization/23509
4417 * tree-cfg.c (replace_uses_by): Use replace_exp.
4418 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
4419 pointers have name_mem_tag or type_mem_tag set.
4421 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4423 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
4424 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
4425 of wrongly accessing operands.
4427 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4429 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
4430 * tree-chrec.c: Include tree-scalar-evolution.h.
4431 (chrec_convert): Instantiate the base and step before calling
4432 scev_probably_wraps_p that would fail on parametric evolutions.
4433 Collect all the fails into a single section failed_to_convert,
4434 print a diagnostic, and return chrec_dont_know instead of calling
4436 * tree-scalar-evolution.c (loop_closed_phi_def): New.
4437 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
4439 (scev_const_prop): Don't replace the definition of a loop closed ssa
4440 phi node by itself, or by another loop closed ssa phi node.
4441 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
4442 that base and step are defined.
4444 2005-09-09 Richard Guenther <rguenther@suse.de>
4447 * fold-const.c (fold_ternary): Check truth_value_p before
4448 calling invert_truthvalue.
4450 2005-09-09 Nick Clifton <nickc@redhat.com>
4452 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
4453 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
4454 dimension of these arrays.
4455 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
4457 * longlong.h: Only provide a prototype for the __clz_tab[] array
4458 if this header has not been included from libgcc2.h.
4459 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
4461 Provide prototypes for exported functions.
4462 Use the __clz_tab[] and __popcount_tab[] arrays provided by
4465 2005-09-08 Josh Conner <jconner@apple.com>
4469 * expr.c (expand_expr_addr_expr_1): Don't invoke
4470 expand_simple_binop for EXPAND_INITIALIZER.
4472 2005-09-08 Richard Henderson <rth@redhat.com>
4475 * toplev.c (wrapup_global_declaration_1): Split out ...
4476 (wrapup_global_declaration_2): ... from ...
4477 (wrapup_global_declarations): ... here. Return bool.
4478 (check_global_declaration_1): Split out ...
4479 (check_global_declarations): from here.
4480 (emit_debug_global_declarations): New.
4481 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
4482 check_global_declaration_1, emit_debug_global_declarations): Declare.
4483 * c-decl.c (c_write_global_declarations_1): Don't create a vector
4484 of decls. Call wrapup_global_declaration_1,
4485 wrapup_global_declaration_2, check_global_declaration_1 directly.
4486 (c_write_global_declarations_2): New.
4488 (c_write_global_declarations): Call c_write_global_declarations_2.
4489 * langhooks.c (write_global_declarations): Call
4490 emit_debug_global_declarations.
4492 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
4493 remove decls that have DECL_RTL_SET_P.
4494 * passes.c (rest_of_decl_compilation): Invoke
4495 cgraph_varpool_finalize_decl for all but functions.
4497 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
4499 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
4500 the result of a conversion if the new min and max cannot be compared.
4502 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
4504 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
4505 (override_options): Setting s390_sr_alias_set removed.
4506 (save_fpr, save_gprs): Set alias set to vararg or frame.
4507 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
4508 s390_sr_alias_set with get_frame_alias_set ().
4509 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
4510 get_varargs_alias_set ().
4512 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4516 * c-parser.c (c_parser_objc_method_definition): If the next
4517 token is not "{", error out and don't start the function.
4519 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4521 * tree-vrp.c (extract_range_from_expr): Move the check for non
4522 nullness after the check for gimple invariant.
4524 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4526 * tree.c (host_integerp, tree_low_cst): Correct function comment.
4528 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4531 * config/m32r.md (movmemsi_internal): Canonicalize order of
4532 operands in PLUS component of template.
4534 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
4536 * reload1.c (fixup_eh_region_note): Remove assertion.
4537 (fixup_abnormal_edges): Reverted removal of call to
4538 find_many_sub_basic_blocks made on 2005-08-31.
4540 2005-09-07 Richard Henderson <rth@redhat.com>
4542 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
4543 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
4544 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
4545 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
4546 rearrange for better packing.
4547 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
4548 (lookup_cfa_1): Remove inline marker.
4549 (cfa_equal_p): Split out of ...
4550 (def_cfa_1): ... here. Use INVALID_REGNUM.
4551 (build_cfa_loc): Handle !cfa->indirect.
4552 (frame_pointer_cfa_offset): New.
4553 (dbx_reg_number): Assert register elimination performed; do
4554 leaf register remapping.
4555 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
4556 (eliminate_reg_to_offset): New.
4557 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
4558 for verifiably local stack frame addresses; re-base to CFA.
4559 (mem_loc_descriptor): Remove can_use_fbreg argument.
4560 (concat_loc_descriptor, loc_descriptor): Likewise.
4561 (containing_function_has_frame_base): Remove.
4562 (rtl_for_decl_location): Don't do register elimination or
4563 leaf register remapping here.
4564 (secname_for_decl): Split out from ..
4565 (add_location_or_const_value_attribute): ... here.
4566 (convert_cfa_to_loc_list): New.
4567 (compute_frame_pointer_to_cfa_displacement): New.
4568 (gen_subprogram_die): Use them.
4569 * tree.h (frame_base_decl): Remove.
4570 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
4571 (prologue_stack_adjust): Remove.
4572 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
4573 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
4574 (set_frame_base_location): Remove.
4575 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
4576 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
4577 (vt_add_function_parameters): Don't eliminate_regs.
4578 (vt_initialize): Don't create frame_base_decl.
4580 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4582 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
4583 version of GNU binutils for 4.x and later.
4585 2005-09-06 Mark Mitchell <mark@codesourcery.com>
4587 * ggc-page.c (ggc_push_context): Remove.
4588 (ggc_pop_context): Likewise.
4589 * ggc.h (ggc_push_context): Remove.
4590 (ggc_pop_context): Likewise.
4592 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4595 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
4596 returning from an interrupt handler.
4598 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4601 * config/arc/arc.c (output_shift): Add check for loop count when
4604 2005-09-06 Steven Bosscher <stevenb@suse.de>
4606 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
4608 (abs_replacement): Likewise.
4609 (pass_phiopt): Remove TODO_update_ssa.
4611 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4614 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
4615 if "return with no value, in function returning non-void" warning
4617 * tree-cfg.c (execute_warn_function_return): Don't look at
4618 RETURN_EXPRs with TREE_NO_WARNING set.
4621 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
4622 for internal functions doesn't use registers used by global registers
4623 variables. Use fewer register parameters if there are global register
4626 2005-09-06 Olivier Hainque <hainque@adacore.com>
4627 Eric Botcazou <ebotcazou@adacore.com>
4630 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
4631 when we would be extracting outside its bit span (bitpos+bitsize
4632 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
4633 Ada unchecked conversions.
4635 2005-09-06 Steven Bosscher <stevenb@suse.de>
4637 * tree-ssa-pre.c (try_look_through_load): New function.
4638 (compute_avail): Use it to try to look through loads for some
4639 more useful expressions.
4641 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4643 * simplify-rtx.c (simplify_binary_operation_1): Correct the
4644 condition for detecting cases like (a&a) and (a^a).
4646 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
4648 * common.opt: Add option ftree-vect-loop-version.
4649 * params.def: Add --param vect-max-version-checks.
4650 * doc/invoke.texi: Document ftree-vect-loop-version and
4651 --param vect-max-version-checks.
4652 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
4653 may_misalign_stmts and defines for accessors.
4654 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
4655 LOOP_VINFO_MAY_MISALIGN_STMTS.
4656 (destroy_loop_vec_info): VEC_free for
4657 LOOP_VINFO_MAY_MISALIGN_STMTS.
4658 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4659 Update documentation.
4660 (vect_update_misalignment_for_peel): New.
4661 (vect_enhance_data_refs_alignment): Update to choose loop
4662 peeling or loop versioning if appropriate for the (potentially)
4663 unaligned data references in the loop.
4664 (vect_analyze_data_refs_alignment): Remove call to
4665 vect_enhance_data_refs_alignment so the checks can be done
4667 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
4668 and move up call to vect_analyze_data_refs_alignment.
4669 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
4670 (vect_transform_loop): Add call to loop_version.
4672 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4674 PR rtl-optimization/23098
4675 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
4676 * simplify-rtx.c (constant_pool_reference_p): New function.
4677 * rtl.h (constant_pool_reference_p): New prototype.
4678 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
4679 constant_pool_reference_p in condition and
4680 avoid_constant_pool_reference in preparation statements.
4682 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
4684 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
4685 STRICT_LOW_PART SETs.
4687 2005-09-06 Alan Modra <amodra@bigpond.net.au>
4690 * except.c (sjlj_emit_function_enter): Find the function begin
4691 note even when it's not in first basic block.
4693 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
4695 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
4696 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
4697 * aclocal.m4: Regenerate.
4699 2005-09-05 DJ Delorie <dj@redhat.com>
4701 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
4704 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
4706 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
4707 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
4708 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
4709 Follow spelling conventions.
4710 * doc/invoke.texi: Follow spelling conventions.
4712 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4714 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
4715 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
4716 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
4718 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4721 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
4722 (output_stack_adjust): Use gen_tmp_stack_mem.
4723 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
4724 (sh_set_return_address, sh_allocate_initial_value): Likewise.
4725 (sh_get_pr_initial_val): Likewise.
4726 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
4727 (sh_initialize_trampoline): Likewise. Also use adjust_address.
4728 * sh.md (divsi_inv_m0): Use gen_const_mem.
4729 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
4730 (movdf_i4+1): Use gen_tmp_stack_mem.
4731 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
4732 (fpu_switch+2): Likewise.
4733 (movv4sf_i, movv16sf_i): Use adjust_address.
4734 (symGOT_load): Set MEM_NOTRAP_P bit.
4736 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4739 * pa.c (emit_move_sequence): Fix typo in last change.
4741 2005-09-03 Jakub Jelinek <jakub@redhat.com>
4743 PR rtl-optimization/23454
4744 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
4747 2005-09-03 Richard Henderson <rth@redhat.com>
4748 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4751 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
4754 2005-09-02 Nicolas Pitre <nico@cam.org>
4756 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
4757 to bit_count to 32 bits.
4759 2005-08-31 Mark Mitchell <mark@codesourcery.com>
4762 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
4763 generating synthetic loads from volatile lvalues.
4765 005-09-02 Nick Clifton <nickc@redhat.com>
4767 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
4768 __ctzhi2, __clzhi2): New functions.
4770 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
4773 * tree-nested.c (struct var_map_elt): Mark with GTY.
4774 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
4776 (lookup_field_for_decl): Allocate new element in GC memory.
4777 (lookup_tramp_for_decl): Likewise.
4778 (convert_nl_goto_reference): Likewise
4779 (create_nesting_tree): Allocate info in GC memory. Likewise for
4781 (free_nesting_tree): Free with ggc_free instead of free.
4782 (root): New static variable.
4783 (lower_nested_functions): Remove root as local variable. And zero out
4784 root at the end of the function.
4786 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
4788 PR rtl-optimization/20365
4789 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
4790 to short. New member ix.
4791 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
4792 (simplify_plus_minus): Initialize ix members before calling qsort.
4794 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
4796 PR tree-optimization/23626
4797 * tree-cfg.c (replace_uses_by): Clean up eh info.
4799 2005-09-01 DJ Delorie <dj@redhat.com>
4801 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
4804 2005-09-01 David Edelsohn <edelsohn@gnu.org>
4806 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
4807 (rs6000_split_multireg_move): Use replace_equiv_address instead of
4810 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
4812 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
4813 do not issue warning for a variable definition following
4816 2005-09-01 Richard Henderson <rth@redhat.com>
4819 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
4820 conversion to CONST_VECTOR.
4822 2005-09-01 Richard Henderson <rth@redhat.com>
4825 * reload1.c (reload_as_needed): Check !CALL_P before calling
4826 fixup_eh_region_note.
4827 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
4829 2005-09-01 DJ Delorie <dj@redhat.com>
4831 * varasm.c (output_constant): Let the target resolve
4832 conversions of addresses to non-default pointer sizes.
4834 2005-09-01 Nicolas Pitre <nico@cam.org>
4836 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
4837 to alow matching ARM pre-indexed addressing mode.
4838 (arm_override_options): Remove now irrelevant comment.
4840 2005-09-01 Phil Edwards <phil@codesourcery.com>
4842 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
4843 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
4844 * config/i386/vxworks.h: Likewise.
4845 * config/i386/t-vxworksae: New file, for VxWorks AE.
4846 * config/i386/vxworksae.h: Likewise.
4848 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
4850 PR tree-optimization/23410
4851 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
4852 sequence is not wrapping during the first step.
4854 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4857 * dwarf2out.c (base_type_die): Compare char_type_node with
4858 TYPE_MAIN_VARIANT (type), not type.
4860 2005-09-01 Richard Guenther <rguenther@suse.de>
4862 PR tree-optimization/15366
4863 * common.opt: Add -finline-functions-called-once.
4864 Put -fearly-inlining in alphabetically ordered place.
4865 * doc/invoke.texi: Document new option.
4866 * ipa-inline.c (cgraph_decide_inlining): Honour
4867 flag_inline_functions_called_once.
4869 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4871 PR rtl-optimization/23478
4872 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
4873 (alloc_qty): Initialize it.
4874 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
4875 (combine_regs): Combine also n_throwing_calls_crossed fields.
4876 (find_free_reg): Don't attempt to caller-save pseudos crossing
4877 calls that might throw.
4878 * global.c (struct allocno): Add throwing_calls_crossed field.
4879 (global_alloc): Revert 2005-08-22 change. Initialize
4880 throwing_calls_crossed.
4881 (find_reg): Don't attempt to caller-save pseudos crossing calls that
4884 2005-09-01 Alan Modra <amodra@bigpond.net.au>
4887 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
4888 (mask64_operand): Reinstate code prior to 2005-06-11 change.
4889 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
4890 (and64_2_operand): Tweak to use predicate.
4891 (and_operand): Adjust for mask_operand changes.
4892 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
4893 (print_operand): Likewise.
4894 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
4895 (mask64_1or2_operand): Delete.
4896 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
4897 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
4898 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
4899 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
4900 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
4901 (rotldi3_internal4): Likewise.
4902 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
4903 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
4904 (ashldi3_internal7): Likewise.
4905 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
4906 (ashldi3_internal, ashldi3_internal9 split): Likewise.
4907 (anddi3 split): Don't match mask64_operand.
4908 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
4909 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
4910 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
4911 't' splitter predicate.
4912 (movdi_internal64 + 2): Revert 2005-06-11 change.
4914 2005-08-31 DJ Delorie <dj@redhat.com>
4916 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
4917 (m32c_asm_integer): Add support for 32 bit pointers.
4919 2005-08-31 Richard Henderson <rth@redhat.com>
4921 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
4922 component-like references for setting MEM_NOTRAP_P.
4924 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
4925 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
4927 2005-08-31 Richard Henderson <rth@redhat.com>
4929 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
4930 into a pseudo before applying gen_lowpart.
4932 2005-08-31 Geoffrey Keating <geoffk@apple.com>
4934 * doc/install.texi (Specific): Update cctools version required
4935 for full functionality.
4936 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
4937 linkers as -macosx_version_min.
4939 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
4942 * sh.c (print_operand, %R and %S): Add handling of floating point
4943 registers, memory, constants and invalid operands.
4945 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
4947 * ipa-pure-const.c: Change dump name.
4949 2005-08-31 Uros Bizjak <uros@kss-loka.si>
4952 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
4953 to "reg_or_0_operand".
4954 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
4956 2005-08-31 Dale Johannesen <dalej@apple.com>
4958 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
4959 loops that count down.
4961 2005-08-31 Richard Henderson <rth@redhat.com>
4964 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
4965 (fixup_eh_region_note): New.
4966 (reload_as_needed): Call it.
4967 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
4968 don't call find_many_sub_basic_blocks; call verify_flow_info.
4969 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
4970 (keep_stack_depressed): Likewise.
4971 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
4973 2005-08-31 Richard Henderson <rth@redhat.com>
4975 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
4978 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
4980 * expr.c (expand_expr_real_1): Compare size of address
4981 mode to target's address mode size in deciding expansion of
4982 the constant address.
4984 2005-08-31 Richard Guenther <rguenther@suse.de>
4987 * expr.c (all_zeros_p): New function.
4988 (expand_expr_real_1): Handle the case of an all-zero
4989 non-addressable constructor separately.
4991 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
4993 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
4994 arguments, adjust all callers.
4995 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
4997 2005-08-30 Richard Henderson <rth@redhat.com>
5000 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
5001 whenever the mode sizes match.
5003 2005-08-31 Alan Modra <amodra@bigpond.net.au>
5005 * calls.c (load_register_parameters): Fix comment typo.
5006 * expr.c (emit_push_insn): Comment formatting.
5008 2005-08-30 Ian Lance Taylor <ian@airs.com>
5010 * config/i386/x-cygwin (host-cygwin): Change dependency from
5011 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
5013 2005-08-29 Geoffrey Keating <geoffk@apple.com>
5015 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
5018 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5021 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
5022 call to ggc_collect.
5024 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
5027 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
5028 beginning. Remove $(INCLUDES) from all the rules, if following
5029 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
5031 2005-08-29 Jakub Jelinek <jakub@redhat.com>
5034 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
5035 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
5036 not constant, but maxlen is, don't set len to maxlen, rather
5037 set maxlen to len if len is a constant.
5039 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
5041 PR tree-optimization/23475
5042 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
5045 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
5047 Fix PR middle-end/22455
5049 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
5050 Checksum only the parts of the tree that exist for the tree code.
5052 2005-08-28 Dale Johannesen <dalej@apple.com>
5054 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
5056 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
5058 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
5060 2005-08-28 Richard Henderson <rth@redhat.com>
5062 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
5063 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
5066 2005-08-28 Jakub Jelinek <jakub@redhat.com>
5069 * builtins.c (get_memory_rtx): Don't strip nops
5070 in between COMPONENT_REFs.
5072 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
5075 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
5077 (gimplify_modify_expr): Check for zero sized types and gimplify the
5078 rhs and lhs as statements.
5080 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
5083 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
5084 state for return address column of signal frames.
5086 2005-08-27 David Edelsohn <edelsohn@gnu.org>
5089 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
5090 bytes >= 2 not bytes == 2.
5091 (expand_block_move): Same.
5093 2005-08-27 Richard Guenther <rguenther@suse.de>
5096 * config/i386/sse.md (sse2_movsd): Add missing closing
5099 2005-08-27 Paul Brook <paul@codesourcery.com>
5101 * genrecog.c (enum decision_type): Add DT_num_insns.
5102 (struct decision_test): Add u.num_insns.
5103 (add_to_sequence): Add DT_num_insns test.
5104 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
5105 (write_cond, debug_decision_2): Ditto.
5106 (change_state): Assume peep2_next_insn never fails.
5107 Remove "afterward" argument.
5108 (write afterward, write_tree): Update to match.
5109 * recog.c (peep2_current_count): New variable.
5110 (peep2_next_insn): Check it.
5111 (peephole2_optimize): Set peep2_current_count.
5112 * recog.h (peep2_current_count): Declare.
5114 2005-08-26 Josh Conner <jconner@apple.com>
5117 * ipa-pure-const.c (check_tree): Check for volatile-ness
5118 when considering a dereference.
5120 2005-08-27 Jakub Jelinek <jakub@redhat.com>
5122 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
5124 2005-08-26 Jakub Jelinek <jakub@redhat.com>
5126 PR rtl-optimization/23561
5127 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
5128 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
5129 at most LEN bytes long memory fits into the field.
5130 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
5131 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
5132 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
5134 2005-08-26 Richard Henderson <rth@redhat.com>
5137 * loop.c (biased_biv_may_wrap_p): New.
5138 (maybe_eliminate_biv_1): Use it to suppress non-equality
5139 comparison transformations. Delete disabled code.
5141 2005-08-26 Ian Lance Taylor <ian@airs.com>
5143 * combine.c (make_extraction): Avoid reference outside object.
5145 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
5147 * stor-layout.c (finalize_type_size): Restore behaviour for
5148 non-aggregate types to the status quo ante of the patch for
5149 pr 23467. Document why it matters.
5151 2005-08-26 Jakub Jelinek <jakub@redhat.com>
5154 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
5155 array by one element, initialize the BT_LAST element with NULL.
5157 2005-08-26 David Edelsohn <edelsohn@gnu.org>
5159 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
5160 optimizing for size.
5162 (compare_plus_eqsi): Same.
5163 (plus_eqsi_compare): Same.
5164 (neg_eq0<mode>): Same.
5165 (neg_eq<mode>): Same.
5167 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
5170 2005-08-26 Nick Clifton <nickc@redhat.com>
5172 * config/v850/v850.c (ep_memory_operand): Return FALSE if
5173 TARGET_EP is not defined.
5174 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
5175 TARGET_EP is enabled.
5176 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
5177 * config/v850/v850.md (save_all_interrupt): Only use the EP
5178 register if TARGET_EP is defined.
5179 (restore_all_interrupt): Likewise.
5180 * config/v850/lib1funcs.asm: Update functions so that the EP
5181 register is only used if __EP__ is defined.
5183 2005-08-26 David Ung <davidu@mips.com>
5185 * config/mips/mips.c (mips_expand_prologue): Handle case when
5186 generating for MIPS16 and the outgoing argument area is more than
5187 SMALL_OPERAND. Use the frame pointer as temporary to generate the
5190 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
5192 * config/crx/crx.md: Make doloop_end pattern usage controllable
5193 via mloop-nesting=<max-nesting> command line switch. Make sure
5194 the combiner cannot use doloop_end_<mode> in an illegal way.
5195 * config/crx/crx.c: Use regs up to r6 for argument passing.
5196 Refine crx_address_cost (non cst4 displacements are expensive).
5197 * config/crx/crx.opt: Add switch for mloop-nesting=.
5199 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
5201 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
5202 (UNSPEC_MVST): New constant.
5204 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
5206 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
5207 Reject operands containing eliminable registers.
5208 * testsuite/gcc.dg/20050825-1.c: New testcase.
5210 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5211 Jan Hubicka <jh@suse.cz>
5213 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
5215 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5217 PR tree-optimization/23546
5218 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
5221 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
5223 * params.def (PARAM_MIN_SPEC_PROB): New.
5224 * sched-rgn.c (MIN_PROBABILITY): Delete.
5225 (compute_trg_info): Convert to PARAM_VALUE.
5226 * doc/invoke.texi (param): Document min-spec-prob.
5228 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
5230 * config/darwin.h: define __PIC__
5231 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
5232 TARGET_OS_CPP_BUILTINS macro.
5234 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5236 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
5239 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
5241 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
5243 * cfghooks.c (duplicate_block): Added position where to place
5244 new block as argument.
5245 * cfghooks.h (duplicate_block): Declaration changed.
5246 * cfglayout.c (copy_bbs): Add argument after. Pass it to
5248 * cfglayout.h (copy_bbs): Declaration changed.
5249 * cfgloop.h (loop_version): Declaration changed.
5250 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
5251 position to copy_bbs.
5252 (loop_version): Pass position to duplicate_loop_to_header_edge.
5253 Add place_after argument and position new blocks according to
5255 * modulo-sched.c (sms_schedule): Pass place_after argument
5257 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
5258 * tree-cfg.c (split_edge_bb_loc): New function.
5259 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
5260 to determine position of new blocks.
5261 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
5263 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
5264 argument to duplicate_block.
5265 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
5266 Pass position to copy_bbs.
5268 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
5270 * fold-const.c (ptr_difference_const): Use
5271 cst_and_fits_in_hwi instead of host_integerp.
5273 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5275 * config/darwin.c (gen_pic_offset): New.
5276 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
5279 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
5281 PR tree-optimization/23486
5282 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
5284 2005-08-23 Phil Edwards <phil@codesourcery.com>
5286 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
5287 remove use_collect2.
5288 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
5290 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
5291 configuration files to override the default value.
5293 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
5294 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
5295 * config/vx-common.h: New file, split out from...
5296 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
5297 * config/vxworksae.h: New file, for VxWorks AE.
5298 * config/vxworks.opt: New file.
5299 * config/vxlib.c: Update for VxWorks 6.
5301 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
5302 other MULTILIB_* variables appropriately.
5303 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
5304 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
5305 * config/rs6000/vxworks.h: Update for VxWorks 6.
5306 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
5308 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
5311 * config/darwin.c (machopic_select_section): Remove the hack to
5312 mark "::operator new" and "::operator delete" for coalescing
5313 even though they are not weak.
5315 2005-08-24 Alan Modra <amodra@bigpond.net.au>
5317 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
5318 * configure: Regenerate.
5320 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
5323 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
5325 * convert.c (convert_to_integer, convert_to_vector): Likewise.
5326 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
5329 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
5331 * config/rs6000/predicates.md (equality_operator): New.
5332 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
5333 comparison with a large constant.
5335 2005-08-23 Mark Mitchell <mark@codesourcery.com>
5337 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
5339 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
5341 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
5342 registers is even, and we have a hardware double precision fp,
5344 (sh_gimplify_va_arg_expr): For floating point arguments, consider
5345 size of current argument when checking if argument was passed in
5348 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
5351 * stor-layout.c (finalize_type_size): Dont override
5352 existing alignment with a smaller alignment from the mode.
5354 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
5356 * lambda-code.c (lambda_vector_lexico_pos): Moved...
5357 * lambda.h (lambda_vector_lexico_pos): ... here.
5358 * tree-data-ref.c (build_classic_dist_vector): Return false when
5359 the distance vector is lexicographically negative.
5361 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
5363 PR tree-optimization/23511
5364 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
5365 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
5367 2005-08-23 Jakub Jelinek <jakub@redhat.com>
5369 PR tree-optimization/22043
5370 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
5371 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
5372 If ALLOW_FLEXARR, handle types ending with flexible array member.
5373 Pass false as second argument to recursive count_type_elements calls.
5374 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
5375 argument to count_type_elements call.
5376 * tree-sra.c (decide_block_copy): Likewise.
5377 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
5378 for a constant-sized object, set cleared as well. Pass true as
5379 second argument to count_type_elements call.
5381 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5384 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
5385 from legitimate_small_data_p, and make global. Update use.
5386 Remove forward declaration.
5387 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
5389 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
5391 2005-08-23 David Edelsohn <edelsohn@gnu.org>
5393 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
5394 of scratch intermediates.
5395 (eq<mode>_compare): Same.
5396 (neg_eq0<mode>): New.
5397 (neg_eq<mode>): Convert to define_insn_and_split.
5399 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5402 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
5403 stdarg functions, set/clear the fp marker even when no variable
5405 * config/rs6000/sysv4.opt (mprototype): Describe.
5407 2005-08-22 Jakub Jelinek <jakub@redhat.com>
5409 PR rtl-optimization/23478
5410 * regs.h (reg_info): Add throw_calls_crossed.
5411 (REG_N_THROWING_CALLS_CROSSED): Define.
5412 * flow.c (allocate_reg_life_data): Initialize
5413 REG_N_THROWING_CALLS_CROSSED.
5414 (propagate_one_insn, attempt_auto_inc): Update
5415 REG_N_THROWING_CALLS_CROSSED.
5416 * global.c (global_alloc): Don't allocate pseudos across
5417 calls that may throw.
5419 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
5422 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
5423 value is inbetween the range if we did not find an exact match.
5425 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
5427 * doc/invoke.texi (Option Summary): Add ms1 options.
5428 * doc/extend.texi: Document interrupt handler attribute for ms1.
5429 * doc/md.texi: Document ms1 constraints.
5430 * config.gcc: Add ms1-*-elf.
5431 * config/ms1/ms1.h: New.
5432 * config/ms1/ms1.c: New.
5433 * config/ms1/ms1.md: New.
5434 * config/ms1/ms1-protos.h: New.
5435 * config/ms1/ABI.txt: New.
5436 * config/ms1/crti.asm: New.
5437 * config/ms1/crtn.asm: New.
5438 * config/ms1/lib2extra-funcs.c: New.
5439 * config/ms1/t-ms1: New.
5440 * config/ms1/ms1.opt: New.
5442 2005-08-22 Ira Rosen <irar@il.ibm.com>
5444 * config/rs6000/altivec.md (xorv4sf3): New.
5445 (negv4sf2, neg<mode>2): Likewise.
5447 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
5450 * config/ia64/ia64.md (divsi3): Check divide by zero.
5451 (udivsi3): Likewise.
5453 (udivdi3): Likewise.
5455 2005-08-21 Jakub Jelinek <jakub@redhat.com>
5457 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
5458 up to elem_bitsize bits, not max_bitsize.
5460 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5462 PR tree-optimization/23433
5463 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
5464 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
5466 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5468 PR tree-optimization/23434
5469 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
5470 the iteration bound is not an INTEGER_CST.
5472 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
5474 * tree-vect-transform.c (get_initial_def_for_reduction): Set
5475 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
5476 NULL if need_epilog_adjust is false.
5477 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
5478 Case 3 always peels first itration, not just for PLUS case, and no need
5479 to use scalar_initial_def here. Create an epilog adjustment only if
5480 scalar_initial_def is not NULL.
5482 (vectorizable_reduction): Remove assert.
5484 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
5487 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
5488 (__moddi3): Likewise.
5489 (__udivdi3): Likewise.
5490 (__umoddi3): Likewise.
5491 (__divsi3): Likewise.
5492 (__modsi3): Likewise.
5493 (__udivsi3): Likewise.
5494 (__umodsi3): Likewise.
5496 2005-08-20 Jakub Jelinek <jakub@redhat.com>
5498 * tree-pass.h (TDF_GRAPH): Define.
5499 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
5500 * passes.c (finish_optimization_passes): Only call
5501 finish_graph_dump_file if TDF_GRAPH is set.
5502 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
5503 NULL. Set TDF_GRAPH bit.
5504 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
5506 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
5508 * arm.h (arm_stack_offsets): Add locals_base field.
5509 * arm.c (arm_get_frame_offsets): Compute it.
5510 (thumb_compute_initial_elimination offset): Make the Thumb frame
5511 pointer point to the base of the local variables.
5512 (thumb_expand_prologue): Update accordingly.
5513 (thumb_expand_epilogue): Likewise.
5515 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
5516 mode of clobbered scratch to DImode. Handle a case that's known to
5519 2005-08-19 David Edelsohn <edelsohn@gnu.org>
5521 * config/rs6000/rs6000.md (gt0<mode>): Delete.
5522 (gt0<mode>_compare): Delete.
5523 (neg_gt0<mode>): Delete.
5525 2005-08-19 Eric Christopher <echristo@apple.com>
5527 * optabs.h: Change CTI_ to COI_.
5530 2005-08-19 James E Wilson <wilson@specifix.com>
5532 * builtins.c (expand_builtin_return_addr): Set
5533 current_function_accesses_prior_frames when count != 0. Use
5534 frame_pointer_rtx when count == 0.
5535 * function.h (struct function): Add accesses_prior_frames field.
5536 (current_function_accesses_prior_frames): Define.
5537 * reload1.c (init_elim_table): Check
5538 current_function_accesses_prior_frames.
5539 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
5541 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5543 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
5544 indicator. Return true if the flowgraph changed during
5547 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5550 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
5551 conditional expression before testing its value.
5553 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5555 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
5557 2005-08-19 Devang Patel <dpatel@apple.com>
5559 PR tree-optimization/23048
5560 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
5561 third parameter. Check whether latch is dominated by exit
5563 (if_convertible_loop_p): Supply exit block itself to
5564 if_convertible_bb_p.
5566 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5569 * arm.md (arm_load_pic_register): Change argument to the mask of
5570 saved registers. Call thumb_find_work_register if we need a
5571 scratch register on Thumb.
5572 (arm_expand_prologue): Pass empty register set to
5573 arm_load_pic_register.
5574 (thumb_expand_prologue): Pass live_regs_mask directly to
5575 arm_load_pic_register.
5576 * arm-protos.h (arm_load_pic_register): Update prototype.
5578 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
5580 * sh.c (find_sole_member): New function.
5581 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
5582 if the record's alignment is larger than the size of its only member.
5584 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5587 * arm.c (thumb_legitimize_reload_address): New function.
5588 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
5589 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
5591 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
5593 * config/crx/crx.c: Implement crx_decompose_address. Reject
5594 symbolic displacements since CRX register relative adressing
5595 mode can't handle unsigned 32-bit values as displacements.
5596 * config/crx/crx.h: Simplify definitions, remove redundant
5597 parenthesis and obsolete macros.
5598 * config/crx/crx.opt: Add new switch for debugging addresses.
5599 * config/crx/crx-protos.h: Add new declarations for above.
5601 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
5604 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
5607 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5609 * collect2.c (dup2): Delete.
5610 * configure.ac: Don't check for dup2.
5612 * config.in, configure: Regenerate.
5614 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
5616 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
5617 record with the type of its only member.
5619 2005-08-18 David Edelsohn <edelsohn@gnu.org>
5621 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
5622 define_insn_and_split.
5623 (plus_ltu<mode>_compare): Same.
5624 (gtu<mode>_compare): Same.
5625 (plus_gtu<mode>_compare): Same.
5627 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
5629 PR tree-optimization/22228
5630 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
5632 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
5633 are recorded in vect_vnames_to_rename for renaming.
5634 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
5635 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
5636 in vect_vnames_to_rename.
5637 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
5638 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
5640 2005-08-18 Jan Hubicka <jh@suse.cz>
5643 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
5644 info only for local statics, not for member variables.
5646 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5648 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
5650 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5652 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
5654 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
5657 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
5659 2005-08-17 James E Wilson <wilson@specifix.com>
5661 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5664 2005-08-17 David Edelsohn <edelsohn@gnu.org>
5666 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
5667 (leu<mode>_compare): Same.
5668 (plus_leu<mode>): Same.
5669 (neg_leu<mode>): Same.
5670 (and_neg_leu<mode): Same.
5671 (ltu<mode>_compare): Same.
5672 (plus_ltu<mode>): Same.
5674 (geu<mode>_compare): Same.
5675 (plus_geu<mode>): Same.
5676 (neg_geu<mode>): Same.
5677 (and_neg_geu<mode>): Same.
5678 (plus_gt<mode>): Same.
5679 (gtu<mode>_compare): Same.
5680 (plus_gtu<mode>): Same.
5682 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
5684 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
5685 Move call_table_data to end. Delete spurious .text.
5686 (callt_save_all_interrupt): Fix comment typo.
5688 2005-08-17 James E Wilson <wilson@specifix.com>
5689 Kevin Winchester <winchester@amirix.com>
5692 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
5694 2005-08-17 Uros Bizjak <uros@kss-loka.si>
5697 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
5698 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
5700 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
5702 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
5703 record with the type of its only member if the modes don't match.
5705 * varasm.c (decode_reg_name): Skip empty additional register names.
5707 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5709 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
5710 lsm_tmp_name_length): New.
5711 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
5712 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
5714 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5715 Andreas Krebbel <krebbel1@de.ibm.com>
5717 * config.gcc: Added z9-109 switch.
5718 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
5719 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
5720 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
5721 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5722 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
5723 for "z9_109" cpu attribute.
5724 * config/s390/s390.c (z9_109_cost): New processor cost structure.
5725 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
5726 (s390_handle_arch_option): Added z9-109 switch.
5727 (override_options): Set respective cost function for z9-109.
5728 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
5729 (legitimate_reload_constant_p): Accept extended immediates.
5730 (print_operand): Three new output modifiers added: k, m and o.
5731 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
5732 (s390_output_mi_thunk): Use extended immediate when possible.
5733 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
5734 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
5735 (CONSTRAINT_LEN): Added length of O constraint.
5736 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
5737 * config/s390/s390.md ("cpu"): New value z9_109 added.
5738 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
5739 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
5740 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
5741 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
5742 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
5743 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
5744 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
5745 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
5746 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
5747 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5748 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
5749 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
5750 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
5751 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
5752 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
5754 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
5755 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
5756 insns for TARGET_EXTIMM.
5758 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
5760 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
5762 2005-08-17 Nick Clifton <nickc@redhat.com>
5764 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
5765 Call default_encode_section_info.
5767 2005-08-17 Steven Bosscher <stevenb@suse.de>
5769 PR tree-optimization/21574
5770 * tree-ssa-ccp.c (likely_value): If the right hand side is a
5771 constant, return CONSTANT.
5772 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
5773 (ccp_fold, visit_assignment): Likewise.
5774 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
5776 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5778 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
5779 fold_buildN instead of buildN then fold_initializer or fold.
5780 (build_unary_op): Likewise.
5781 (build_binary_op): Likewise.
5782 * fold-const.c (fold_initializer): Remove.
5783 (fold_build1_initializer): New function.
5784 (fold_build2_initializer): New function.
5785 (fold_build3_initializer): New function.
5786 * tree.h (fold_initializer): Remove.
5787 (fold_build1_initializer): New function.
5788 (fold_build2_initializer): New function.
5789 (fold_build3_initializer): New function.
5791 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5793 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
5794 (try_move_mult_to_index): Call fold_build2 instead of build2.
5795 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
5796 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
5797 fold_binary_to_constant.
5798 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
5800 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
5801 check if A == gcd (A, B). Remove TYPE argument.
5802 (analyze_offset) Use fold_build2 instead of fold (build.
5803 (create_data_ref): Likewise.
5804 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
5805 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
5808 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
5810 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
5811 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
5813 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
5816 * gimplify.c (zero_sized_type): New function.
5817 (gimplify_modify_expr_rhs): If we have a zero sized type,
5818 replace the statement with an empty statement.
5820 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
5822 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
5825 2005-08-16 Ian Lance Taylor <ian@airs.com>
5827 * doc/tm.texi (Label Output): Correct typo.
5829 2005-08-16 Steven Bosscher <stevenb@suse.de>
5832 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
5833 force_operand will work later on using have_insn_for.
5835 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5837 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
5839 2005-08-16 Ian Lance Taylor <ian@airs.com>
5842 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
5843 vector type, don't try to construct it element by element. Add an
5844 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
5846 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5848 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
5850 2005-08-16 Geoffrey Keating <geoffk@apple.com>
5852 * doc/invoke.texi (Precompiled Headers): Document some more options
5853 which are known to be safe.
5855 2005-08-16 James E Wilson <wilson@specifix.com>
5857 PR tree-optimization/21105
5858 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5859 TREE_OVERFLOW check.
5861 2005-08-16 David Edelsohn <edelsohn@gnu.org>
5863 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
5864 (neg_ltu<mode>): Same.
5866 (neg_gtu<mode>): Same.
5868 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5870 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
5871 (fold_builtin_isdigit): Use fold_buildN.
5872 (build_function_call_expr): Likewise.
5873 * c-typeck.c (c_finish_loop): Likewise.
5875 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
5876 Richard Shann <rshann@superh.com>
5878 PR middle-end/20396:
5879 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
5881 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
5883 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
5885 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
5888 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
5889 arm_compure_save_reg0_reg12_mask to determine when the PIC register
5892 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5895 * fold-const.c (build_range_check): Disable optimization for function
5896 pointer expressions on targets that require function pointer
5899 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
5901 * simplify-rtx.c (simplify_const_relational_operation): When
5902 extracting arguments of a COMPARE, recompute the mode as well.
5904 2005-08-15 Ian Lance Taylor <ian@airs.com>
5906 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
5908 2005-08-15 DJ Delorie <dj@redhat.com>
5910 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
5912 (movsi_splittable): Allow, but split, moves to the stack.
5913 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
5916 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5918 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
5919 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
5920 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
5922 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
5923 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
5924 Delete HOST_PTR_PRINTF.
5926 * configure, config.in: Regenerate.
5928 2005-08-15 David Edelsohn <edelsohn@gnu.org>
5930 * config/rs6000/rs6000.md (QHSI): New mode macro.
5931 (wd): Extend mode attr for QImode and HImode
5932 (dbits): New mode attr.
5933 (zero_extend<mode>di2): Convert to mode macro.
5935 2005-08-15 Steve Ellcey <sje@cup.hp.com>
5938 * doc/invoke.texi (-mgnu-ld): Update description.
5941 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5944 * Makefile.in (tree-chrec.o): Depends on real.h.
5945 * tree-chrec.c: Include real.h.
5946 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
5947 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
5948 * tree-scalar-evolution.c (add_to_evolution_1,
5949 interpret_rhs_modify_expr): Ditto.
5951 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5954 * tree-data-ref.c (estimate_niter_from_size_of_data): When
5955 step is negative compute the estimation from init downwards to zero.
5957 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
5959 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
5961 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5963 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
5965 (legitimate_reload_constant_p): Fix handling of lliXX operands.
5966 Accept double-word constants that can be split.
5967 * config/s390/s390.md ("movti"): Use 'P' constraint.
5968 ("*movdi_31", "*movdf_31"): Likewise.
5970 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
5972 Fix PR tree-optimization/22615
5974 * tree-ssa-structalias.c (solution_set_add): Handle
5975 first_vi_for_offset returning NULL.
5976 (do_da_constraint): Ditto.
5977 (do_sd_constraint): Ditto.
5978 (do_ds_constraint): Ditto
5979 (find_func_aliases): Ditto.
5980 (build_constraint_graph): RHS is allowed be ANYTHING.
5981 (first_vi_for_offset): Return NULL if we couldn't find anything at
5984 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5986 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
5987 over memory as first operand.
5989 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
5992 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
5993 available for setting it.
5995 2005-08-14 Ira Rosen <irar@il.ibm.com>
5997 PR tree-optimization/23320
5998 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
5999 data-refs' types instead of base object nullness. Add check for
6000 pointer type data-refs before first location comparison. Remove
6003 2005-08-14 Andreas Schwab <schwab@suse.de>
6005 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
6007 2005-08-13 James E Wilson <wilson@specifix.com>
6009 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
6010 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
6011 -fstack-protector-all, --param ssp-buffer-size): Document.
6012 (-Wvariadic-macros): Alphabetize.
6013 (-fsched-stalled-insns-dep): Add missing 'f'.
6015 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
6018 2005-08-13 David Edelsohn <edelsohn@gnu.org>
6020 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
6021 or indirect address operand.
6022 (EXTRA_ADDRESS_CONSTRAINT): New.
6023 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
6025 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
6027 PR tree-optimization/22236
6028 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
6029 successors and predecessors.
6030 * tree-chrec.c (chrec_convert): Before converting, check that
6031 sequences don't wrap.
6032 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
6033 (analyze_array): Extern.
6034 (find_data_references_in_loop): Remove call to
6035 compute_estimated_nb_iterations.
6036 * tree-data-ref.h (analyze_array): Declared.
6037 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
6038 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
6039 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
6040 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
6042 * tree-ssa-loop-ivcanon.c: Fix documentation.
6043 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
6044 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
6045 (infer_loop_bounds_from_undefined): New.
6046 (estimate_numbers_of_iterations_loop): Use
6047 infer_loop_bounds_from_undefined.
6048 (used_in_pointer_arithmetic_p): New.
6049 (scev_probably_wraps_p): Pass an extra parameter. Call
6050 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
6051 (convert_step): Fix documentation.
6052 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
6053 Use initial_condition_in_loop_num and evolution_part_in_loop_num
6054 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
6055 scev_probably_wraps_p.
6057 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
6059 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
6060 (s390_register_info): Ignore clobbered_regs information for fixed
6061 registers, and only fixed registers.
6062 (s390_init_frame_layout): Remove redundant call.
6064 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
6066 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
6067 description of -Wold-style-casts.
6069 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6070 Jakub Jelinek <jakub@redhat.com>
6072 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6073 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
6074 * config/s390/s390.c (print_operand): New output modifier 'G' added.
6075 (get_thread_pointer): Renamed to s390_get_thread_pointer.
6076 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
6077 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
6078 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
6079 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6080 ("stack_protect_set", "stack_protect_test"): New expanders.
6081 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
6082 "stack_protect_testdi"): New insn definitions.
6084 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6086 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
6088 2005-08-12 Paul Brook <paul@codesourcery.com>
6090 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
6092 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6094 * config/s390/predicates.md (setmem_operand): New predicate.
6095 (shift_count_operand): Accept ANDs with special constants as
6097 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
6098 with special constants.
6099 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
6100 shift_count_operand with setmem_operand.
6102 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6104 * config/s390/s390.c (s390_extract_part, s390_single_part):
6106 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
6107 (s390_output_mi_thunk): Don't use lg on 31 bit.
6108 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
6109 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
6111 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6113 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
6114 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
6115 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
6116 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
6117 with one of the new macros.
6119 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6121 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
6122 Don't set save_return_addr_p.
6123 (s390_register_info): Make clobbered_regs not depending on
6126 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
6128 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
6129 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
6131 2005-08-11 James E. Wilson <wilson@specifix.com>
6133 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
6135 2005-08-11 Jakub Jelinek <jakub@redhat.com>
6137 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
6138 locations gathered by var-tracking in single entry loc_list
6139 over loc_descriptor_from_tree.
6141 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
6142 pass it down to loc_descriptor.
6143 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
6144 (containing_function_has_frame_base): Move earlier in the file.
6145 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
6146 instead of always assuming fbreg can't be used.
6148 2005-08-11 David Edelsohn <edelsohn@gnu.org>
6150 * config/rs6000/altivec.md: Change constraint "m" to "Z".
6151 * config/rs6000/predicates.md (indexed_or_indirect_operand):
6152 Accept address wrapped in AND for Altivec.
6153 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6154 Strip AND wrapping offset address for Altivec.
6156 2005-08-11 Richard Henderson <rth@redhat.com>
6159 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
6160 before using TYPE_IS_SIZETYPE.
6162 2005-08-11 Richard Henderson <rth@redhat.com>
6165 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
6166 insn types not present on ev4.
6167 (alphaev5_insn_pipe): Similarly.
6169 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
6172 * arm.c (arm_override_options): If the user has selected callee-super-
6173 interworking, then enable normal interworking.
6175 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6177 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
6180 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
6182 * doc/rtl.texi: Fix two typos.
6184 2005-08-11 Richard Guenther <rguenther@suse.de>
6187 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
6188 cases where we call to/from functions returning void.
6190 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
6193 * tree.c (build_pointer_type_for_mode): Robustify.
6195 2005-08-10 James E Wilson <wilson@specifix.com>
6197 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
6198 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
6200 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
6203 2005-08-10 Eric Christopher <echristo@apple.com>
6205 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
6206 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
6209 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
6212 * config/darwin.c (machopic_indirect_data_reference): Use a new register
6213 for the high part when generating dynamic-no-pic code.
6215 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
6217 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
6218 (x86_64-*-linux*): Likewise.
6220 * config/i386/crtfastmath.c: New file.
6221 * config/i386/t-crtfm: Likewise.
6223 * config/i386/linux.h (ENDFILE_SPEC): New.
6224 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
6226 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
6229 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
6231 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
6232 (vec_shl, vec_shr): Document new operations.
6233 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
6235 2005-08-10 David Edelsohn <edelsohn@gnu.org>
6237 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
6238 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
6239 change predicate to indexed_or_indirect_address.
6241 2005-08-10 Richard Sandiford <richard@codesourcery.com>
6243 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
6244 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
6245 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
6246 and __aeabi_uwrite8.
6247 * config/arm/unaligned-funcs.c: New file.
6248 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
6250 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
6252 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
6254 * cfglayout.c (pass_insn_locators_initialize): Add dump.
6255 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
6257 * except.c (pass_convert_to_eh_region_ranges): Add dump.
6258 * final.c (pass_shorten_branches): Add dump.
6259 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
6260 (pass_life): Rename dump.
6261 (rest_of_handle_flow2): Remove initial verify_flow_info.
6262 * function.c (pass_instantiate_virtual_regs): Add dump.
6263 * integrate.c (pass_initial_value_sets): Add dump.
6264 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
6265 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
6266 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
6267 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
6268 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
6269 gate_rtl_unrool_and_peel_loops): New.
6270 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
6271 rtl_doloop): Do not look at flags.
6272 * mode-switching.c (pass_mode_switching): Add dump.
6273 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
6274 pass_split_before_regstack): Add dump.
6275 * regmove.c (pass_stack_adjustments): Add dump.
6276 * tree-optimize.c (pass_fixup_cfg): Add dump.
6278 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6281 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
6282 deciding which instruction sequence to use.
6284 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
6286 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
6287 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
6289 2005-08-09 Richard Guenther <rguenther@suse.de>
6291 * c-common.c (builtin_function_2): Remove.
6292 (def_builtin_1): New function.
6293 (c_common_nodes_and_builtins): Use def_builtin_1 to
6294 build builtin functions.
6296 2005-08-09 Jie Zhang <jie.zhang@analog.com>
6298 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
6299 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6300 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
6303 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
6305 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
6306 fold_binary instead of fold_build2 since we don't care about the
6308 (loop_niter_by_eval): Likewise.
6309 (compare_trees): Likewise.
6310 (proved_non_wrapping_p): Likewise.
6312 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
6316 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
6317 if the if is really empty.
6319 2005-08-09 Steven Bosscher <stevenb@suse.de>
6321 PR tree-optimization/23234
6322 * tree-ssa-math-opts.c (place_reciprocal): New enum.
6323 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
6324 argument of the new enum.
6325 (execute_cse_reciprocals): Add reciprocals for function arguments
6326 on the unique successor edge of the entry block. Update other calls
6327 to execute_cse_reciprocals_1.
6329 2005-08-08 Richard Henderson <rth@redhat.com>
6332 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
6334 2005-08-08 Bob Wilson <bob.wilson@acm.org>
6336 * expr.c (write_complex_part): Return after handling MEM.
6338 2005-08-08 Josh Conner <jconner@apple.com>
6340 PR rtl-optimization/23241
6341 * combine.c (simplify_comparison): Fix error in determining
6342 whether to lift a subreg from comparison.
6344 2005-08-08 David Edelsohn <edelsohn@gnu.org>
6347 * config/rs6000/altivec.md (vec_init<mode>): New.
6348 (vec_set<mode>): New.
6349 (vec_extract<mode>): New.
6350 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
6351 (rs6000_expand_vector_set): New.
6352 (rs6000_expand_vector_extract): New.
6353 (rs6000_legitimate_offset_address_p): Offset addresses are valid
6354 for Altivec modes before reload.
6355 (altivec_expand_vec_init_builtin): New.
6356 (get_element_number): New.
6357 (altivec_expand_vec_set_builtin): New.
6358 (altivec_expand_vec_ext_builtin): New.
6359 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
6361 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
6363 * config/rs6000/rs6000.h (rs6000_builtins): Add
6364 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
6365 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
6366 * config/rs6000/rs6000-protos.h: Declare new functions.
6368 2005-08-08 Jan Hubicka <jh@suse.cz>
6370 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
6371 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
6372 * i386.md (movdi*): Use pic_32bit_operand.
6373 * predicates.md (pic_32bit_operand): New.
6375 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
6378 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
6380 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
6382 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
6383 (test_for_singularity): Use fold_build2.
6385 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6387 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
6389 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
6391 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6392 (COMMON_ASM_OP) Define.
6393 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
6394 (ix86_encode_section_info): Likewise.
6395 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
6396 SUBTARGET_ENCODE_SECTION_INFO.
6398 2005-08-06 Richard Henderson <rth@redhat.com>
6401 * tree-nested.c (convert_local_reference): Save and restore val_only
6402 around component_ref and friends. Clear walk_subtrees by default.
6404 2005-08-06 Peter O'Gorman <peter@pogma.com>
6407 * gcc.c (process_command): Check the argument to -b has a dash.
6408 * doc/invoke.texi: Update -b and -V docs.
6410 2005-08-06 James E Wilson <wilson@specifix.com>
6412 * config/mips/cross64.h, config/mips/t-cross64: Delete.
6414 2005-08-06 Michael Matz <matz@suse.de>
6416 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
6417 member only if only one insn is associated with the value.
6419 2005-08-06 Nick Clifton <nickc@redhat.com>
6421 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
6423 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
6424 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
6425 Check symbol flags instead of symbol name mangling.
6426 (xstormy16_asm_output_aligned_common): Likewise. Also
6427 simplify code since the bss100_section cass is the only case
6428 where the below100 code will be triggered.
6429 (xstormy16_encode_section_info): Encode below100 attribute
6430 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
6432 (xstormy16_strip_name_encoding): Delete - this function is no
6434 (TARGET_STRIP_NAME_ENCODING): Undefine.
6435 * config/stormy16/stormy16-protos.h: Delete prototype for
6436 xstormy16_strip_name_encoding.
6438 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
6440 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
6441 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
6442 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
6443 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
6444 config/alpha/predicates.md, config/arc/arc.h,
6445 config/arm/arm.h, config/arm/ieee754-df.S,
6446 config/arm/ieee754-sf.S, config/bfin/bfin.c,
6447 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
6448 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
6449 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
6450 config/m68hc11/m68hc11.h, config/mips/mips.c,
6451 config/mips/mips.h, config/mips/openbsd.h,
6452 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
6453 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
6454 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6455 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
6456 config/sparc/linux.h, config/sparc/linux64.h,
6457 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
6458 doc/extend.texi, doc/gcov.texi, doc/install.texi,
6459 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
6460 typos. Follow spelling conventions.
6462 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
6465 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
6466 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
6467 specially. Check for side effects only for COND_EXPR.
6468 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
6469 return with TREE_NO_WARNING.
6471 2005-08-06 Richard Sandiford <richard@codesourcery.com>
6473 PR rtl-optimization/23233
6474 * loop.c (combine_movables): Require the modes to be the same.
6475 (move_movables): Remove handling of cases where the replacement
6476 had a different mode to the original.
6478 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
6480 PR tree-optimization/23128
6481 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
6482 subtraction wrap, and set TREE_OVERFLOW if they do.
6484 2005-08-05 Richard Henderson <rth@redhat.com>
6487 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
6488 FORCED_LABEL labels.
6490 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
6493 * reload.c (find_reloads_subreg_address): Pass down TYPE
6494 unchanged. Change all callers except find_reloads_toplev.
6496 2005-08-05 Michael Matz <matz@suse.de>
6498 * genattrtab.c (current_alternative_string): Remove.
6499 (SIMPLIFY_ALTERNATIVE): Ditto.
6500 (attr_alt_bit_p): Ditto.
6501 (alternative_name): Make const char *.
6502 (evaluate_eq_attr): Remove use of above things.
6503 (simplify_test_exp): Ditto.
6504 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
6505 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
6507 2005-08-04 James E Wilson <wilson@specifix.com>
6509 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
6510 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
6511 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
6512 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
6513 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
6515 2005-08-04 Richard Henderson <rth@redhat.com>
6518 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
6519 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
6520 * tree-sra.c (decide_block_copy): Use it. Disable element copy
6521 if we'd have to instantiate too many members.
6523 2005-08-04 Richard Henderson <rth@redhat.com>
6526 * tree-outof-ssa.c (coalesce_asm_operands): New.
6527 (coalesce_ssa_name): Use it. Split out ...
6528 (coalesce_phi_operands, coalesce_result_decls): ... these.
6530 2005-08-04 Paul Brook <paul@codesourcery.com>
6532 * read-rtl.c (read_quoted_string): Break if EOF.
6534 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
6536 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
6537 (fold_build2): Likewise.
6538 (fold_build3): Likewise.
6539 (fold_build1_stat): New function prototype.
6540 (fold_build2_stat): Likewise.
6541 (fold_build3_stat): Likewise.
6542 * fold-const.c (fold_build1): Rename to ..
6543 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6544 through to build1_stat.
6545 (fold_build2): Rename to ..
6546 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6547 through to build2_stat.
6548 (fold_build3): Rename to ..
6549 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6550 through to build3_stat.
6552 2005-08-04 David Edelsohn <edelsohn@gnu.org>
6553 Ian Lance Taylor <ian@airs.com>
6555 * function.c (assign_stack_local_1): Do not correct stack slot
6556 address if allocation size is smaller than mode size.
6558 2005-08-04 Diego Novillo <dnovillo@redhat.com>
6561 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
6562 (tree_merge_blocks): Propagate anything allowed by
6564 Clarify documentation.
6565 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
6566 SSA form, schedule an update if necessary.
6568 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
6570 * doc/install.texi (Binaries): Remove broken link to
6571 Sinix/Reliant Unix binaries.
6573 2005-08-03 Richard Henderson <rth@redhat.com>
6576 * function.c (stack_protect_epilogue): Export.
6577 * tree.h (stack_protect_epilogue): Declare.
6578 * calls.c (expand_call): Call it.
6580 2005-08-03 Eric Christopher <echristo@apple.com>
6582 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
6583 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
6586 2005-08-04 Jan Hubicka <jh@suse.cz>
6588 * profile.c (branch_prob): Split edges with goto locus on them
6589 to get proper line counts.
6590 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
6592 2005-08-03 Paul Brook <paul@codesourcery.com>
6594 * function.c (assign_parms): Round current_function_args_size
6595 to PARM_BOUNDARY, not STACK_BOUNDARY.
6597 2005-08-03 Geoffrey Keating <geoffk@apple.com>
6599 * config/i386/i386.c (x86_elf_aligned_common)
6600 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
6602 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
6604 PR tree-optimization/23157
6605 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
6606 before emitting them.
6608 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6610 PR tree-optimization/19899
6611 * Makefile.in (tree-scalar-evolution.o): Add real.h.
6612 * tree-scalar-evolution.c: Include real.h.
6613 (add_to_evolution): Build constant -1 of correct type.
6615 2005-08-03 Jan Hubicka <jh@suse.cz>
6617 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
6618 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
6619 profile updating for complette unrolling.
6620 * loop-unroll.c (peel_loop_completely): Use it.
6621 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
6622 (tree_unroll_loops_completely): Disable code growing unrolling of cold
6625 2005-08-03 Paul Brook <paul@codesourcery.com>
6627 * combine.c (can_change_dest_mode): New function.
6628 (try_combine, simplify_set): Use it.
6630 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
6632 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
6635 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
6637 * doc/install.texi (Specific): Adjust link to openavr.org.
6638 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
6639 (Binaries): Adjust HP-UX Porting Center link.
6640 (Binaries): Adjust Free Software Foundation ordering link.
6642 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
6644 * convert.c (convert_to_integer): Use fold_build1 instead of
6645 build1 when converting an integer to an integer.
6647 2005-08-02 Richard Henderson <rth@redhat.com>
6649 * combine.c (combine_instructions): Don't use reg_equal/equiv
6650 results if the mode doesn't match.
6652 2005-08-02 Mark Mitchell <mark@codesourcery.com>
6654 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
6655 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
6657 2005-08-02 Richard Henderson <rth@redhat.com>
6660 * explow.c (memory_address): Remove special-case for
6661 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
6663 2005-08-02 Diego Novillo <dnovillo@redhat.com>
6666 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
6667 number of calls to cleanup_tree_cfg_1.
6669 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
6671 * doc/invoke.texi: document file extensions .F90 and .F95
6673 2005-08-02 Richard Guenther <rguenther@suse.de>
6675 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
6676 positive if its first argument is positive.
6678 2005-08-02 Richard Guenther <rguenther@suse.de>
6680 PR tree-optimization/23177
6681 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
6684 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
6686 PR tree-optimization/23129
6687 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
6688 varying for divisions with anti-ranges.
6690 2005-08-02 Jan Hubicka <jh@suse.cz>
6692 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
6693 * tree-ssa-threadupdate.c (thread_block): Add it here.
6695 2005-08-01 James E Wilson <wilson@specifix.com>
6697 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
6698 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
6699 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
6701 * config/mips/predicates.md (const_call_insn_operand): Add check for
6702 SYMBOL_REF_LONG_CALL_P.
6703 * doc/extend.texi (long_call): Document the new attribute.
6705 2005-08-01 Ian Lance Taylor <ian@airs.com>
6706 Richard Henderson <rth@redhat.com>
6708 * Makefile.in (RTL_BASE_H): Add real.h.
6709 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6711 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
6713 * rtl.c (rtl_check_failed_code_mode): New.
6714 * rtl.h (struct rtx_def): Add u.rv.
6715 (XCMWINT, XCNMPRV): New.
6716 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
6717 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
6719 2005-08-01 Richard Henderson <rth@redhat.com>
6721 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
6722 with auto-inc codes.
6724 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
6726 2005-08-01 Jan Hubicka <jh@suse.cz>
6728 * i386-protos.h (asm_preferred_eh_data_format): Declare.
6729 * i386.c: Include dwarf2.h
6730 (asm_preferred_eh_data_format): New.
6731 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
6733 2005-08-01 Ian Lance Taylor <ian@airs.com>
6735 * config/host-linux.c (linux_gt_pch_get_address): Add new name
6736 randomize_va_space for virtual address randomization control.
6738 2005-08-01 Steven Bosscher <stevenb@suse.de>
6740 * common.opt (flag_ipa_cp): Put in right place to maintain
6743 2005-08-01 Jan Hubicka <jh@suse.cz>
6745 * profile.c (compute_value_histograms): Fix thinko.
6746 * value-prof.c: Include toplev.h
6747 (check_counter): New function.
6748 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
6749 tree_mod_subtract_transform): Add sanity check.
6751 2005-08-01 Richard Guenther <rguenther@suse.de>
6753 PR tree-optimization/23133
6754 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
6755 current functions parameter decls to find defs to cse
6758 2005-08-01 Richard Guenther <rguenther@suse.de>
6760 PR tree-optimization/23109
6761 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
6762 If trapping math is in effect, use post-dominator information
6763 to check if we'd in any case reach a trapping point before
6764 doing the reciprocal insertion.
6765 (execute_cse_reciprocals): Compute post-dominators, if necessary.
6766 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
6767 expressions are invariant only if trapping math is not in effect.
6769 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6771 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
6772 cgraph_function_versioning): New declarations.
6773 * cgraphunit.c: Add include to ipa-prop.h.
6774 (update_call_expr, cgraph_copy_node_for_versioning,
6775 cgraph_function_versioning): New functions.
6776 * integrate.c (copy_decl_for_inlining): Remove.
6777 * ipa-prop.h (ipa_replace_map): New struct.
6778 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
6779 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
6780 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
6781 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
6782 ipcp_iterate_stage, ipcp_method_scale_print,
6783 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
6784 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
6785 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
6786 ipcp_update_bb_counts, ipcp_update_profiling,
6787 ipcp_update_edges_counts): New functions.
6788 (ipcp_method_cval_init): Remove restriction regarding local methods.
6789 (ipcp_init_stage): Add ipcp_method_compute_scale.
6790 (ipcp_insert_stage): Add versioning.
6791 (ipcp_structures_print): Add ipcp_method_scale_print.
6792 (ipcp_driver): Dump profiling info.
6793 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
6794 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
6795 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
6796 (struct inline_data): Add versioning_p, ipa_info, new fields.
6797 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
6798 declare_return_variable): Replace calls to copy_decl_for_inlining with
6800 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
6802 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
6803 Add argument VERSIONING.
6804 (copy_arguments_for_versioning, copy_static_chain,
6805 function_versionable_p, tree_versionable_function_p,
6806 tree_function_versioning, replace_ref_tree): New functions.
6807 * tree-inline.h: Include varray.h.
6808 (tree_versionable_function_p, tree_function_versioning,
6809 tree copy_decl_for_dup): New declarations.
6811 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6813 * ipa-cp.c: New file. Contains IPCP specific functionality.
6814 * ipa-prop.h: New file. Contains structures/definitions that can be
6815 used by several interprocedural data flow optimizations (and also IPCP).
6816 * ipa-prop.c: New file.
6817 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
6818 * common.opt: Add ipa-cp flag.
6819 * timevar.def: Add IPCP optimization.
6820 * tree-optimize.c (init_tree_optimization_passes): Schedule
6822 * tree-pass.h (pass_ipa_cp): Declare.
6824 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
6826 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
6827 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
6828 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
6829 config/i386/i386.c, config/mips/mips.h,
6830 config/rs6000/rs6000.h, config/sh/sh.c,
6831 config/stormy16/stormy16.c: Fix comment typos.
6833 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
6836 * c-typeck.c (build_binary_op): Use common_type wrapper on
6838 (common_type): Update comment.
6840 2005-07-31 Steven Bosscher <stevenb@suse.de>
6843 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
6844 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
6845 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
6847 2005-07-31 Jan Hubicka <jh@suse.cz>
6849 * pretty-print.h (pp_widest_integer): New macro.
6850 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
6853 2005-07-31 Jan Hubicka <jh@suse.cz>
6855 * output.h (enum section_category): Export from varasm.c
6856 (categorize_decl_for_section): Likewise.
6857 * varasm.c (enum section_category): Kill.
6858 (categorize_decl_for_section): Make global.
6859 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
6861 * i386.c (ix86_section_threshold): New static variable.
6862 (ix86_in_large_data_p, ix86_encode_section_info,
6863 x86_64_elf_unique_section,
6864 x86_64_elf_select_section): New functions.
6865 (TARGET_ENCODE_SECTION_INFO): Define
6866 (override_options): Enable medium model for PIC.
6867 (ix86_expand_prologue): Expand gen_set_got_rex64.
6868 (legitimate_constant_p): Handle new UNSPECs.
6869 (legitimate_pic_address_disp_p): Likewise.
6870 (legitimize_pic_address): Lower MEDIUM model addressing.
6871 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
6872 (enum cmodel): Add MEDIUM_PIC.
6873 (SYMBOL_REF_FAR_ADDR_P): New macro.
6874 (SYMBOL_FLAG_FAR_ADDR): New flag.
6875 * i386.md (movdi): Support medium model.
6876 (set_got_rex64): New pattern.
6877 * i386.opt (mlarge-data-threshold): New flag.
6878 * predicates.md (zext_operand/sext_operand): Deal with medium model.
6879 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
6880 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
6881 TARGET_ASM_UNIQUE_SECTION): New.
6883 * invoke.texi (-mlarge_data_threshold): Document
6885 2005-07-31 Jan Hubicka <jh@suse.cz>
6887 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
6888 (coalesce_vars): Likewise.
6889 * tree-ssa-live.c (coalesce_cost): New.
6890 (build_tree_conflict_graph): Use coalesce_cost.
6891 * tree-ssa-live.h (coalesce_cost): Declare.
6893 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
6895 * arm.md (all peepholes for post-increment operations): Delete.
6896 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
6897 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
6898 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
6899 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
6900 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
6902 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
6904 * fold-const.c (tree_expr_nonnegative_p): Always return true for
6907 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
6910 * doc/invoke.texi: Document -rdynamic.
6912 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
6915 * c-parser.c (c_parser_parms_list_declarator): Call
6916 mark_forward_parm_decls.
6917 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
6918 decls with visibility structure.
6920 2005-07-30 Paul Brook <paul@codesourcery.com>
6922 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
6924 2005-07-30 Paul Brook <paul@codesourcery.com>
6926 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
6928 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
6930 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
6932 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6935 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
6936 nested function declarators.
6937 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
6938 (grokparms): Call warn_if_shadowing for parameters used within the
6940 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
6941 not used within the parameter list.
6942 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
6944 2005-07-30 Jan Hubicka <jh@suse.cz>
6946 * expr.c (expand_expr_real_1): Do not load mem targets into register.
6947 * i386.c (ix86_fixup_binary_operands): Likewise.
6948 (ix86_expand_unary_operator): Likewise.
6949 (ix86_expand_fp_absneg_operator): Likewise.
6950 * optabs.c (expand_vec_cond_expr): Validate dest.
6952 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6955 * real.c (real_from_string): Also set last bit if there is a
6956 nonzero hex digit beyond GCC's internal precision after ".".
6958 2005-07-29 David Edelsohn <edelsohn@gnu.org>
6960 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
6961 define_constants. Change duplicate values to unassigned numbers.
6962 Change UNSPEC_SUBS to UNSPEC_VSUBS.
6963 (*altivec_vspltsf): New.
6964 (altivec_vperm_v4sf): Delete.
6965 (altivec_vperm_<mode>): Use mode macro V.
6966 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
6967 (altivec_predicate_v4sf): Delete.
6968 (altivec_predicate_<mode>): Use mode macro V.
6969 (*altivec_lvesfx): New.
6970 (*altivec_stvesfx): New.
6971 (vec_realign_load_v4sf): Delete.
6972 (vec_realign_load_<mode>): Use mode macro V.
6973 * config/rs6000/rs6000.c (generate_set_vrsave): Use
6976 2005-07-29 Mark Mitchell <mark@codesourcery.com>
6979 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
6981 * configure: Regenerated.
6983 2005-07-29 Paul Brook <paul@codesourcery.com>
6985 * doc/install.texi: Add link to GFortran binaries wiki page.
6987 2005-07-29 David Ung <davidu@mips.com>
6989 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
6990 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
6991 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
6992 * config/mips/mips.md (cpu): Add 5kf name.
6993 (includes): Includes 5k.md.
6994 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
6995 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
6998 2005-07-29 Diego Novillo <dnovillo@redhat.com>
7001 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
7002 (cleanup_tree_cfg): ... here.
7003 Call cleanup_tree_cfg_1 until there are no more cleanups to
7006 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
7008 * tree-vrp.c (compare_range_with_value): Return true or false
7009 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
7010 EQ_EXPR respectively.
7012 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
7014 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
7017 2005-07-29 Diego Novillo <dnovillo@redhat.com>
7019 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
7020 (tree_ssa_dominator_optimize): Increment it.
7021 (dump_dominator_optimization_stats): Print it.
7023 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
7024 Steven Bosscher <stevenb@suse.de>
7026 PR rtl-optimization/23117
7027 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
7028 when head == tail. Tidy comment.
7030 2005-07-28 Richard Henderson <rth@redhat.com>
7032 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
7033 * cselib.c (rtx_equal_for_cselib_p): Likewise.
7034 * jump.c (rtx_renumbered_equal_p): Likewise.
7035 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
7036 CONST_INT and CONST_DOUBLE.
7037 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
7038 * reload.c (operands_match_p): Special case CONST_INT and
7039 CONST_DOUBLE; check mode earlier.
7041 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7044 * c-typeck.c (convert_for_assignment): Do not check
7045 DECL_IN_SYSTEM_HEADER on NULL fundecl.
7047 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7050 * c-typeck.c (composite_type): Prefer constant size arrays to
7053 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7056 * real.c (real_from_string): Set last bit if there is a nonzero
7057 hex digit beyond GCC's internal precision.
7059 2005-07-28 Richard Henderson <rth@redhat.com>
7062 * cfgcleanup.c (try_forward_edges): Watch out for end of
7065 2005-07-28 James E Wilson <wilson@specifixinc.com>
7068 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
7070 2005-07-28 Jan Hubicka <jh@suse.cz>
7072 * Makefile.in (rtl-profile.o): Kill all traces of it.
7073 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
7074 * coverage.h (rtl_coverage_counter_ref): Kill.
7075 * opts.c (flag_speculative_prefetching_set): Kill.
7076 (flag_loop_optimize_set): New.
7077 (common_handle_option): Disable loop optimizer when profiling;
7078 do not handle speculative prefetching.
7079 * passes.c (init_optimization_passes): Replace pass_profiling combo
7080 by branch_prob pass.
7081 * profile.c (compute_value_histograms): Update for simplified value
7083 (rtl_register_profile_hooks): Kill.
7084 (pass_profiling): Kill.
7085 (rest_of_handle_branch_prob): Do not profile.
7086 * toplev.c (process_options): Remove speculative prefetching.
7087 * toplev.h (flag_tree_based_profiling): Kill.
7088 * tree-profile.c (prepare_instrumented_value,
7089 tree_gen_interval_profiler, tree_gen_pow2_profiler,
7090 tree_gen_one_value_profiler, do_tree_profiling): Update for
7091 simplified datastructures.
7092 * value-prof.c: Add comment that speculative prefetching was dropped;
7093 update rest of file for simplified datastructures.
7094 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
7095 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
7096 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
7097 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
7098 rtl_mod_subtract, gen_speculative_prefetch,
7099 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
7100 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
7101 (gate_handle_value_profile_transformations,
7102 rest_of_handle_value_profile_transformations,
7103 pass_value_profile_transformations): Kill.
7104 * value-prof.h (histogram_value_t): Remove IL based unions.
7105 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
7106 rtl_profile_hooks): Remove hooks.
7108 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
7110 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
7111 (cgraph_clone_node): Likewise.
7112 * cgraph.h (cgraph_clone_edge): Update prototype.
7113 (cgraph_clone_node): Likewise.
7114 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
7116 (lookup_recursive_calls): Consider profile.
7117 (cgraph_decide_recursive_inlining): Fix updating; use new
7118 probability argument; use profile.
7119 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
7120 * tree-inline.c (copy_bb): Update clal of clone_edge.
7121 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
7123 * invoke.texi (min-inline-recursive-probability): Document.
7125 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
7127 * doc/install.texi (Configuration): Update Valgrind homepage.
7129 2005-07-28 Richard Henderson <rth@redhat.com>
7132 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
7133 labels we want to delete.
7134 (cfg_layout_merge_blocks): Likewise.
7136 2005-07-28 Richard Henderson <rth@redhat.com>
7139 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
7140 when expanding to nothing.
7142 2005-07-28 Josh Conner <jconner@apple.com>
7144 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
7145 (cgraph_decide_inlining_of_small_functions): Likewise.
7147 2005-07-28 Josh Conner <jconner@apple.com>
7149 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
7150 direction of badness if negative.
7151 (cgraph_default_inline_p): Add reason to parameters, and assign it
7153 (cgraph_decide_inlining_of_small_functions): New parameter in call
7154 to cgraph_default_inline_p.
7155 (cgraph_decide_inlining_incrementally): Likewise.
7156 * cgraphunit.c (decide_is_function_needed): Likewise.
7157 * cgraph.h (cgraph_default_inline_p): Likewise.
7159 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7161 * builtins.c: Fix comment typo(s).
7162 * genautomata.c: Likewise.
7163 * gimplify.c: Likewise.
7164 * tree-dfa.c: Likewise.
7165 * tree-flow-inline.h: Likewise.
7166 * tree-into-ssa.c: Likewise.
7167 * tree-ssa-alias.c: Likewise.
7168 * tree-ssa-ccp.c: Likewise.
7169 * tree-ssa-copy.c: Likewise.
7170 * tree-ssa-dce.c: Likewise.
7171 * tree-ssa-dom.c: Likewise.
7172 * tree-ssa-operands.c: Likewise.
7173 * tree-tailcall.c: Likewise.
7174 * tree-vectorizer.c: Likewise.
7175 * tree-vrp.c: Likewise.
7178 2005-07-28 Jeff Law <law@redhat.com>
7180 * tree-vrp.c (test_for_singularity): Extracted from ...
7181 (simplify_cond_using_ranges): Attempt to simplify a relational
7182 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
7184 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
7186 PR tree-optimization/22506
7187 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
7188 phis whose argument is constant.
7190 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
7192 PR rtl-optimization/18992
7193 Back out this patch:
7194 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7195 PR optimization/12142
7196 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
7197 uses of the register in the SET_SRC. Remove unnecessary argument.
7199 Replace it with this:
7200 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
7201 if flag_non_call_exceptions is set and the insn may trap, pass
7202 pc_rtx as dest for recursion.
7203 In SET_SRC part of SET case, if dest is already set, pass it down
7206 2005-07-28 Jan Hubicka <jh@suse.cz>
7208 * cfg.c (update_bb_profile_for_threading): Use RDIV.
7209 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
7210 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
7212 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
7213 profile when available.
7215 2005-07-28 Jan Beulich <jbeulich@novell.com>
7217 * config/ia64/ia64.c (ia64_load_pair_ok): New.
7218 (ia64_print_operand): Describe and handle 'X'.
7219 (ia64_register_move_cost): Also handle FP_REGS.
7220 (ia64_preferred_reload_class): Likewise.
7221 (ia64_secondary_reload_class): Likewise.
7222 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
7223 it. Also check for ITANIUM_CLASS_FLDP.
7224 * config/ia64/ia64.h (FP_REGNO_P): New.
7225 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
7226 (reg_class): Add FP_REGS.
7227 (REG_CLASS_NAMES): Adjust for it.
7228 (REG_CLASS_CONTENTS): Likewise.
7229 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
7230 (REG_CLASS_FROM_LETTER): Handle 'x'.
7231 (CLASS_MAX_NREGS): Handle FP_REGS.
7232 (MEMORY_MOVE_COST): Likewise.
7233 * config/ia64/ia64.md (itanium_class): Add fldp.
7234 (type): Handle fldp.
7235 (movti_internal): More allowable operand combinations. Use ldfp8 when
7236 splitting unnecessary. Remove predicable attribute. Adjust
7237 itanium_class attribute.
7238 (smuldi3_highpart): Remove outdated comment.
7239 (mulditi3, umulditi3, rotlti3): New expanders.
7240 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
7241 (absti2): Disabled new insn for future reference.
7242 Respective new splitters.
7243 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
7244 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
7245 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
7247 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
7249 PR rtl-optimization/23047
7250 * simplify-rtx.c (simplify_const_relational_operation): Respect
7251 flag_wrapv for comparisons with ABS.
7253 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
7255 PR tree-optimization/22493
7256 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
7257 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
7259 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
7261 * config/frv/frv.opt (moptimize-membar): New.
7263 * doc/invoke.texi: Document -moptimize-membar and its inverse.
7265 * config/frv/frv.h: Remove machine_function definition.
7267 * config/frv/frv.c (struct frv_io): New.
7268 (struct machine_function): Moved from frv.h. Add has_membar_p.
7269 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
7270 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
7271 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
7272 (frv_optimize_membar_global, frv_optimize_membar): New functions.
7273 (frv_reorg): Call frv_optimize_membar when appropriate.
7274 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
7275 (frv_expand_builtin): Adjust calls accordingly.
7276 (frv_io_address_cookie): New function.
7277 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
7278 load or store rather than a special insn. Add ccnstant address and
7279 io-type operands to the membar.
7280 (frv_ifcvt_modify_tests): Unsign regno.
7281 (frv_ifcvt_modify_tests): Same.
7283 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
7284 UNSPEC_OPTIONAL_MEMBAR constant.
7285 (builtin_read_<mode>): Delete.
7286 (builtin_write_<mode>): Delete.
7287 ("optional_membar_<mode>"): Add operand.
7289 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
7290 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
7291 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
7292 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
7293 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
7294 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
7295 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
7296 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
7297 * testsuite/gcc.target/frv/all-read-write-1.c: New.
7299 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
7301 * df.c (df_uses_record): Handle SCRATCH.
7303 2005-07-28 Steven Bosscher <stevenb@suse.de>
7306 * passes.c (rest_of_decl_compilation): If decl is a type and
7307 we have encountered errors, don't emit debug information.
7309 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7311 * params.def: Fixed comment.
7313 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
7316 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
7317 (TARGET_ASM_UNALIGNED_HI_OP): Add.
7318 (TARGET_ASM_UNALIGNED_SI_OP): Add.
7320 2005-07-27 Steven Bosscher <stevenb@suse.de>
7323 * varasm.c (assemble_start_function): Don't do anything that may
7324 require a CFG if the current function is a thunk.
7326 2005-07-25 Geoffrey Keating <geoffk@apple.com>
7328 * doc/install.texi (Prerequisites): Mention that perl is needed
7329 to do export control in libstdc++ targetting Darwin.
7331 2005-07-27 Steven Bosscher <stevenb@suse.de>
7333 PR rtl-optimization/17808
7334 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
7335 (sched_insns_conditions_mutex_p): Split out from...
7336 (add_dependence): ...here. But don't call it from here.
7337 (add_dependence_list): Check sched_insns_conditions_mutex_p
7338 before calling add_dependence.
7339 (add_dependence_list_and_free): Likewise.
7340 (fixup_sched_groups): Likewise.
7341 (sched_analyze_1): Likewise.
7342 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
7343 (sched_analyze): Likewise.
7344 (sched_analyze_insn): Likewise.
7345 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
7346 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
7347 dependencies on all COND_EXEC insns to jumps ending basic blocks
7348 when doing intrablock scheduling.
7349 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
7351 2005-07-27 Jeff Law <law@redhat.com>
7353 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
7354 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
7355 equivalency sets, correctly handle the case were vr0 has an
7356 equivalency set, but vr1 does not.
7358 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
7360 PR tree-optimization/23073
7361 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
7362 vect_print_dump_info before fprintf.
7364 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7366 PR tree-optimize/22348
7367 * tree-ssa-loop-niter.c (number_of_iterations_cond):
7368 Fold the partial computation.
7370 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7372 PR tree-optimization/22325
7373 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
7375 * tree-scalar-evolution.c (scev_const_prop): Add generic final
7377 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
7378 (force_var_cost): ... this function.
7379 (compute_phi_arg_on_exit): Export.
7381 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7383 PR tree-optimization/20773
7384 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
7387 2005-07-27 Richard Guenther <rguenther@suse.de>
7389 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
7390 Avoid pushing again if current struct contains only
7391 fields we decomposed.
7393 2005-07-27 Jan Hubicka <jh@suse.cz>
7395 PR tree-optimization/22574
7396 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
7399 * tree-tailcall.c (decrease_profile): New function.
7400 (eliminate_tail_call): Use it.
7402 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
7403 visibility flags correctly in whole program mode.
7405 2005-07-26 Steve Ellcey <sje@cup.hp.com>
7407 PR rtl-optimization/22472
7408 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
7410 2005-07-26 Steven Bosscher <stevenb@suse.de>
7412 PR tree-optimization/22504
7413 * tree-complex.c (expand_complex_addition): Use 'code' instead
7414 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
7416 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7418 * config.gcc (cpu_type): Add frv case.
7419 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
7420 (supported_defaults): Add fr550 case.
7422 2005-07-26 Diego Novillo <dnovillo@redhat.com>
7425 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
7426 whether a pointer of type T * may point to objects of type T *.
7428 2005-07-26 DJ Delorie <dj@redhat.com>
7430 * configure: Regenerate.
7432 2005-07-26 Dale Johannesen <dalej@apple.com>
7434 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
7436 2005-07-26 Mark Mitchell <mark@codesourcery.com>
7438 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
7439 Clarify use of "build" in name.
7441 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7443 * doc/extend.texi (Raw read/write Functions): New section.
7444 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
7445 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
7446 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
7447 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
7448 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
7449 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
7450 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
7451 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
7452 * config/frv/frv.c: Add bdesc_loads global.
7453 Add bdesc_stores global.
7454 (frv_init_builtins): Add support for __builtin_{read/write}*.
7455 (frv_volatile_memref): New.
7456 (frv_expand_load_builtin): New.
7457 (frv_expand_store_builtin): New.
7458 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
7459 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
7460 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
7461 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
7462 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
7463 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
7464 (builtin_read_<mode>): New.
7465 (builtin_write_<mode>): New.
7466 (builtin_write64): New.
7467 (optional_membar_<mode>): New.
7469 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
7471 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
7472 (rather than units) against HOST_BITS_PER_WIDE_INT.
7474 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
7476 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
7477 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
7478 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
7479 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
7482 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
7483 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
7484 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
7486 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
7488 2005-07-26 Richard Guenther <rguenther@suse.de>
7490 PR tree-optimization/22486
7491 * fold-const.c (fold_unary): Fold away useless component
7492 references of the form (T *)&T.x, if the address
7495 2005-07-25 James E Wilson <wilson@specifixinc.com>
7497 * dwarf2out.c (add_call_src_coords_attributes): New.
7498 (gen_inlined_subroutine_die): Call it.
7499 (maybe_emit_file, init_file_table): Add comments.
7500 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
7502 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
7503 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
7504 * tree.h (BLOCK_SOURCE_LOCATION): New.
7505 (struct tree_block): New field locus.
7507 2005-07-26 Andreas Schwab <schwab@suse.de>
7509 PR rtl-optimization/23043
7510 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
7511 when allocating a struct unoccr.
7513 2005-07-25 Richard Henderson <rth@redhat.com>
7516 * tree-complex.c (gate_no_optimization): True if errors.
7517 * Makefile.in (tree-complex.o): Update dependencies.
7519 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
7521 * config/frv/predicates.md (integer_register_operand): Use
7524 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7527 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
7529 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
7531 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7533 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
7534 types when flag_unsafe_math_optimizations is true.
7536 2005-07-25 Mark Mitchell <mark@codesourcery.com>
7538 * gcc.c (option_map): Add --sysroot.
7539 (process_command): Handle --sysroot.
7540 (display_help): Document it.
7541 * doc/cppopts.tex (-isysroot): Document.
7542 * doc/invoke.texi (--sysroot): Document.
7543 * doc/install.texi (--with-build-sysroot): Document.
7545 * Makefile.in (inhibit_libc): New variable.
7546 (INHIBIT_LIBC_CFLAGS): Likewise.
7547 (LIBGCC2_CFLAGS): Include
7548 $(INHIBIT_LIBC_CFLAGS).
7549 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
7550 ($(T)crtbegin.o): Do not use @inhibit_libc@.
7551 ($(T)crtend.o): Likewise.
7552 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
7553 ($(T)crtendS.o): Likewise.
7554 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
7555 ($(T)crtendT.o): Likewise.
7556 (stmp-fixinc): Do not complain about missing headers if
7558 * configure.ac (inhibit_libc): Set it to true/false.
7559 (--with-build-sysroot): New option. Use it to set
7561 * configure: Regenerated.
7563 2005-07-25 Manfred Hollstein <mh@suse.com>
7565 * calls.c (store_one_arg): Fix unsigned comparison warning.
7567 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
7570 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
7571 (ggc_print_statistics): Initialize variable before use.
7573 2005-07-25 Richard Guenther <rguenther@suse.de>
7575 * tree-dfa.c (mark_new_vars_to_rename): Protect against
7576 calling with a PHI_NODE argument.
7578 * tree-flow-inline.h (overlap_subvar): Protect against
7581 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
7583 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
7584 * configure: Regenerate.
7586 2005-07-25 Ira Rosen <irar@il.ibm.com>
7588 * expr.c (highest_pow2_factor): Make extern.
7589 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
7590 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7591 record_array_differ_p, array_ptr_differ_p): Likewise.
7592 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
7593 additional cases. Call the above functions.
7594 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
7595 base_object_differ_p when there are two base objects. Otherwise, compare
7596 base address and offset. Call may_alias_p.
7597 (dump_data_reference): Use a correct field name.
7598 (analyze_array): Make static. Initialize new data-ref fields.
7599 (analyze_indirect_ref): New function.
7600 (init_data_ref): Initialize new data-ref fields.
7601 (strip_conversion): Moved from tree-vect-analyze.c.
7602 (analyze_offset_expr, get_ptr_offset, address_analysis,
7603 object_analysis): Likewise.
7604 (analyze_offset): New function.
7605 (create_data_ref): Likewise.
7606 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
7607 dimensions for ARRAY_REFs only.
7608 (build_classic_dist_vector): Make static.
7609 (access_functions_are_affine_or_constant_p): Call macro to get the
7610 address of access functions.
7611 (compute_all_dependences): Add new parameter
7612 compute_self_and_read_read_dependences. Compute self and read-read
7613 dependences if it is true.
7614 (find_data_references_in_loop): Call create_data_ref. Initialize new
7616 (compute_data_dependences_for_loop): Add new parameter
7617 compute_self_and_read_read_dependences. Remove parameter nb_loops,
7618 compute nb_loops. Call compute_all_dependences,
7619 build_classic_dist_vector and build_classic_dir_vector with correct
7621 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
7622 with correct parameters. Compare dimensions for ARRAY_REFs only.
7623 (free_data_refs): Call macro to free access functions.
7624 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
7625 fields from stmt_vinfo.
7626 (struct base_object_info): New structure.
7627 (struct data_reference): Move fields to base_object_info. Add fields
7628 first_location and object_info for above structures. Move fields from
7629 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
7630 aligned_to. Add macros to access the new fields.
7631 Update functions declarations.
7632 * tree-flow.h (is_aliased_with): Declare.
7633 * tree-loop-linear.c (linear_transform_loops): Call
7634 compute_data_dependences_for_loop with correct parameters.
7635 * tree-ssa-alias.c (is_aliased_with): New function.
7636 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
7637 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
7638 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
7639 vect_base_addr_differ_p, compute_subscript_distance and
7640 build_classic_dist_vector. Add printings. Check absolute value of
7642 (vect_analyze_data_ref_dependences): Go through ddrs instead of
7644 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
7645 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
7646 to bytes. Add printing.
7647 (vect_compute_data_refs_alignment): Go through loads and stores in one
7649 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
7650 vect_analyze_data_ref_access): Likewise.
7651 (vect_analyze_pointer_ref_access): Remove.
7652 (vect_address_analysis, vect_object_analysis): Likewise.
7653 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
7654 and analyze data-refs in the loop.
7655 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
7656 fields of data-ref instead of stmt. Add init to the offset from the
7658 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
7659 (vect_update_init_of_dr): Likewise.
7660 (vect_update_inits_of_drs): Go through loads and stores in one loop.
7661 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
7663 (new_loop_vec_info): Initialize new fields.
7664 (destroy_loop_vec_info): Free new fields.
7665 (vect_strip_conversion): Remove.
7666 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
7667 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7668 datarefs. Add new field ddrs.
7669 Add macros for the new fields access.
7670 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
7671 base_aligned_p, misalignment, memtag, ptr_info and subvars.
7672 Remove their macros.
7673 * tree.h (highest_pow2_factor): Declare.
7675 2005-07-25 Jakub Jelinek <jakub@redhat.com>
7677 * calls.c (store_one_arg): Check for sibling call MEM arguments
7678 from already clobbered incoming argument area.
7680 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7682 * c-common.c (check_missing_format_attribute): New.
7683 * c-common.h (check_missing_format_attribute): Likewise.
7684 * c-typeck.c (convert_for_assignment): Use it.
7686 2005-07-24 Andreas Schwab <schwab@suse.de>
7688 * config/m68k/m68k.md ("extendqidi2"): When source is an address
7689 register use a word move. Correct operand of ext.w in 68000 code.
7691 2005-07-23 Mark Mitchell <mark@codesourcery.com>
7693 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
7694 variables as declarations, rather than definitions.
7696 2005-07-24 Ira Rosen <irar@il.ibm.com>
7698 PR tree-optimization/22526
7699 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
7702 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7704 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
7705 that C99 reserve for future use. Use it to define clog10,
7706 clog10f and clog10l.
7708 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7710 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
7711 * configure.ac: Check for -Wmissing-format-attribute.
7713 * configure: Regenerate.
7715 2005-07-23 Richard Henderson <rth@redhat.com>
7717 PR tree-optimization/22623
7718 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
7720 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
7723 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
7725 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7727 * Makefile.in (C_TREE_H): Update dependencies.
7728 * c-tree.h: Include toplev.h.
7729 * diagnostic.h (diagnostic_set_info): Add format attribute.
7730 * rtl-error.c (diagnostic_for_asm): Likewise.
7732 2005-07-23 Chao-ying Fu <fu@mips.com>
7734 * config/mips/mips-dsp.md: New file.
7735 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
7736 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
7738 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
7739 MIPS_BUILTIN_BPOSGE32.
7740 (mips_expand_builtin_direct): Add one parameter to indicate that
7741 builtin functions need to return a value.
7742 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
7744 (mips_regno_to_class): Add classes for 12 new DSP registers.
7745 (mips_subword): Change to check four HI registers.
7746 (mips_output_move): Output move to and from 6 new DSP accumulators.
7747 (override_options): Make sure -mdsp and -mips16 are not used together.
7748 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
7750 (mips_conditional_register_usage): Disable 6 new DSP accumulators
7752 (print_operand): Add 'q' for printing DSP accumulators.
7753 (mips_cannot_change_mode_class): Check ACC_REGS.
7754 (mips_secondary_reload_class): Check ACC_REGS.
7755 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
7756 (mips_register_move_cost): Check ACC_REGS.
7757 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
7758 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
7759 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
7760 (dsp_bdesc): New array.
7761 (bdesc_arrays): Add DSP builtin function table.
7762 (mips_prepare_builtin_arg): Check predicate again after
7764 (mips_expand_builtin): Add one more parameter to
7765 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
7766 MIPS_BUILTIN_BPOSGE32.
7767 (mips_init_builtins): Initialize new function types.
7768 (mips_expand_builtin_direct): Check if builtin functions need to
7769 return a value and pass operands properly.
7770 (mips_expand_builtin_bposge): New function.
7771 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
7772 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
7773 (FIRST_PSEUDO_REGISTER): Increase to 188.
7774 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
7775 Update for 12 new DSP registers.
7776 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
7777 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
7778 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
7779 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
7780 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
7781 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
7782 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
7783 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
7784 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
7785 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
7786 (REGISTER_NAMES): Add names for 12 new DSP registers.
7787 * config/mips/mips.md: Include mips-dsp.md.
7788 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
7789 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
7790 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
7791 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
7792 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
7793 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
7794 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
7795 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
7796 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
7797 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
7798 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
7799 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
7800 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
7801 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
7802 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
7803 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
7804 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
7805 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
7806 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
7807 (UNSPEC_RDDSP): New constants.
7808 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
7809 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
7811 * config/mips/mips.opt (-mdsp): New option.
7812 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
7813 (reg_imm10_operand): New predicates.
7814 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
7815 * doc/invoke.texi (-mdsp): Document new option.
7817 2005-07-22 DJ Delorie <dj@redhat.com>
7819 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
7821 * tree-inline.c (inlinable_function_p): Likewise.
7823 2005-07-22 Mark Mitchell <mark@codesourcery.com>
7826 * toplev.c (check_global_declarations): Do not mark undefined
7827 variables as DECL_IGNORED_P.
7828 * varasm.c (first_global_object_name): GTY it.
7829 (weak_global_object_name): Likewise.
7830 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
7831 a string to go into {weak,first}_global_object_name.
7833 2005-07-22 DJ Delorie <dj@redhat.com>
7835 * c-format.c (check_function_format): Change warning control
7836 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
7838 2005-07-22 Diego Novillo <dnovillo@redhat.com>
7840 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
7841 &PTR->FLD a dereference of PTR.
7842 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
7843 a potential dereference of PTR.
7845 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
7847 PR rtl-optimization/20370
7848 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
7849 call allocate_reg_info if necessary.
7851 PR rtl-optimization/21848
7852 * calls.c (emit_library_call_value_1): For const functions, add
7853 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
7855 PR rtl-optimization/22445
7856 * cselib.c (target.h): Include.
7857 (rtx_equal_for_cselib_p): Allow commutative matches.
7858 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
7859 Remove MODE parameter. Changed all callers.
7861 PR rtl-optimization/22258
7862 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
7864 (try_combine): Use likely_spilled_retval_p.
7866 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
7868 * config.gcc: Add crx-elf support.
7870 * doc/contrib.texi: Mention crx.
7871 * doc/extend.texi: Document crx extensions.
7872 * doc/install.texi: Document crx install.
7873 * doc/invoke.texi: Document crx options.
7874 * doc/md.texi: Document crx constraints.
7876 * config/crx/crx-protos.h: New file.
7877 * config/crx/crx.c: New file.
7878 * config/crx/crx.h: New file.
7879 * config/crx/crx.md: New file.
7880 * config/crx/crx.opt: New file.
7881 * config/crx/t-crx: New file.
7883 2005-07-22 Manfred Hollstein <mh@suse.com>
7885 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
7887 (int_add_graph_edge): Likewise.
7888 (collapse_nodes): Likewise.
7889 (process_unification_queue): Likewise.
7891 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7892 Laurent GUERBY <laurent@guerby.net>
7894 PR tree-optimization/22336
7895 * function.c (record_block_change): Check for
7896 cfun->ib_boundaries_block.
7898 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
7900 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
7901 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
7903 2005-07-21 DJ Delorie <dj@redhat.com>
7905 * toplev.c (warn_deprecated_use): Add warning control to warning
7907 * c-typeck.c (parser_build_binary_op): Likewise.
7908 (c_finish_if_stmt): Likewise.
7909 * c-common.c (check_function_sentinel): Likewise.
7910 (check_nonnull_arg): Likewise.
7912 2005-07-21 Richard Henderson <rth@redhat.com>
7915 * tree-complex.c (complex_ssa_name_components): New.
7916 (cvc_lookup): Allow entry not found.
7917 (create_components): Remove.
7918 (create_one_component_var, get_component_var): New.
7919 (get_component_ssa_name, set_component_ssa_name): New.
7920 (extract_component): Use get_component_ssa_name.
7921 (update_complex_components): Use set_component_ssa_name.
7922 (update_complex_components_on_edge): Likewise.
7923 (update_phi_components): Create new PHI nodes directly, instead
7924 of adding insns to edges.
7925 (tree_lower_complex): Allocate and free complex_variable_components
7926 and complex_ssa_name_components here.
7928 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
7930 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
7931 revert to returning false.
7933 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7936 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
7938 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7941 * config/i386/i386.md (cmpxf): Change operand constraints
7942 to "nonmemory_operand".
7944 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7946 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
7948 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7951 * fold-const.c (fold_build1): Add checksum for the operands.
7952 (fold_build2): Likewise.
7953 (fold_build3): Likewise.
7955 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7958 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
7960 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7962 * common.opt (-fforward-propagate): Committed by mistake,
7965 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7967 * reg-stack.c: Fix comment typo(s).
7968 * tree-ssa-operands.c: Likewise.
7969 * tree-vectorizer: Likewise.
7971 2005-07-21 Nick Clifton <nickc@redhat.com>
7973 * config/sh/symbian.c: Replace C++ style line comments with C
7974 style line comments.
7975 (symbian_add_attribute): Do not use a ? operator on the LHS of
7977 (sh_symbian_handle_dll_attribute): Change the type of the
7978 method vector to "VEC(tree,gc)*" and use vector accessor
7979 macros to walk over the elements.
7980 (symbian_export_vtable_and_rtti_p): Likewise.
7981 (symbian_class_needs_attribute_p): Likewise.
7983 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7986 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
7987 initialize targetm.resolve_overloaded_builtin here.
7988 (altivec_expand_overloaded_builtin): Make it non-static.
7989 * config/rs6000/rs6000-protos.h
7990 (altivec_expand_overloaded_builtin): New prototype.
7991 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
7992 targetm.resolve_overloaded_builtin here.
7993 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
7995 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7996 Zdenek Dvorak <dvorakz@suse.cz>
7998 PR tree-optimization/19210
7999 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
8001 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
8002 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
8003 rely on unproven assumptions.
8004 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
8005 * tree-flow.h (number_of_iterations_exit): Add final parameter.
8006 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
8007 to number_of_iterations_exit.
8008 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
8009 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
8010 * tree-ssa-loop-niter.c (find_loop_niter,
8011 estimate_numbers_of_iterations_loop): Likewise.
8012 (number_of_iterations_exit): Honor the new options.
8013 * doc/invoke.texi (Wunsafe-loop-optimizations,
8014 funsafe-loop-optimizations): Document them.
8016 2005-07-21 Richard Sandiford <richard@codesourcery.com>
8018 PR rtl-optimization/22167
8019 * gcse.c (hoist_code): Fix hoist_exprs[] check.
8021 2005-07-20 Adam Nemet <anemet@lnxw.com>
8023 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
8024 __do_global_dtors_aux longcall.
8026 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
8028 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
8029 (old_special_pred_table): Don't reference
8030 SPECIAL_MODE_PREDICATES.
8031 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
8032 * config/arc/arc.h: Don't mention PREDICATE_CODES.
8033 * config/sh/predicates.h: Don't mention
8034 SPECIAL_MODE_PREDICATES.
8035 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
8038 2005-07-20 DJ Delorie <dj@redhat.com>
8040 * config.gcc: Add m32c-elf support.
8042 * doc/contrib.texi: Mention m32c.
8043 * doc/extend.texi: Document m32c extensions.
8044 * doc/install.texi: Mention m32c.
8045 * doc/invoke.texi: Document m32c options.
8046 * doc/md.texi: Document m32c constraints.
8048 * config/m32c/addsub.md: New file.
8049 * config/m32c/bitops.md: New file.
8050 * config/m32c/cond.md: New file.
8051 * config/m32c/jump.md: New file.
8052 * config/m32c/m32c-lib1.S: New file.
8053 * config/m32c/m32c-lib2.c: New file.
8054 * config/m32c/m32c-modes.def: New file.
8055 * config/m32c/m32c-pragma.c: New file.
8056 * config/m32c/m32c-protos.h: New file.
8057 * config/m32c/m32c.abi: New file.
8058 * config/m32c/m32c.c: New file.
8059 * config/m32c/m32c.h: New file.
8060 * config/m32c/m32c.md: New file.
8061 * config/m32c/m32c.opt: New file.
8062 * config/m32c/minmax.md: New file.
8063 * config/m32c/mov.md: New file.
8064 * config/m32c/muldiv.md: New file.
8065 * config/m32c/predicates.md: New file.
8066 * config/m32c/prologue.md: New file.
8067 * config/m32c/shift.md: New file.
8068 * config/m32c/t-m32c: New file.
8070 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
8072 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8073 (stack_protect_set, stack_protect_test): New expanders.
8074 (stack_protect_set_si, stack_protect_set_si_media,
8075 stack_protect_set_di_media, stack_protect_test_si,
8076 stack_protect_test_si_media, stack_protect_test_di_media):
8079 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
8081 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
8083 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
8085 * tree.h (tree_expr_nonzero_p): Export.
8086 * fold-const.c (tree_expr_nonzero_p): Likewise.
8087 Return true for CALL_EXPRs that are alloca calls.
8088 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
8090 * tree-flow.h (expr_computes_nonzero): Remove.
8091 * tree-vrp.c (expr_computes_nonzero): Remove.
8092 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
8093 (extract_range_from_unary_expr): Likewise.
8094 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
8095 tree_expr_nonzero_p.
8097 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
8099 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
8100 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
8101 extra arg "picreg" and use it instead of pic_offset_table_rtx.
8102 All callers changed.
8103 (frame_related_constant_load): New arg "related" which controls
8104 setting of RTX_FRAME_RELATED_P. All callers changed.
8105 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
8106 (bfin_expand_prologue): Add stack limit checking.
8107 * config/bfin/bfin.md (trapifcc): New pattern.
8109 * config/bfin/bfin.c: Include "langhooks.h".
8110 (def_builtin): Go through lang_hooks to call builtin_function.
8112 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
8113 * config/bfin/predicates.md (symbol_ref_operand): New.
8114 (call_insn_operand): Delete. All callers changed to use
8115 register_no_elim_operand.
8116 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
8118 (function_arg): Use it to generate the call's operand 2.
8119 (bfin_longcall_p): New function.
8120 (bfin_expand_call): Extra arg "cookie". All callers and declaration
8121 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
8122 determine if the address needs to be in a REG.
8123 (bfin_handle_longcall_attribute): New function.
8124 (bfin_attribute_table): Add "longcall" and "shortcall".
8125 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
8126 (CUMULATIVE_ARGS): New member call_cookie.
8127 (PREDICATE_CODES): Add symbol_ref_operand.
8128 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
8129 extra USE to the pattern.
8130 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
8131 New patterns, split off call_insn, sibcall_insn, call_value_insn and
8132 sibcall_value_insn; now the new patterns handle direct calls and the
8133 old ones indirect calls.
8134 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
8136 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
8138 * doc/trouble.texi: Update section on handling of empty loops.
8140 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
8142 * config.gcc: Remove support for sparc-*-openbsd*,
8143 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
8145 * config.host: Remove support for i860-*-sysv4* as a host.
8146 * config/i860/*, config/ip2k/*, config/ns32k/*,
8147 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
8148 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
8149 mention obsolete ports.
8151 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
8153 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
8155 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
8156 of frame_pointer_rtx.
8157 (sh_expand_epilogue): Likewise.
8158 (sh_set_return_address): Likewise.
8159 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
8160 instead of FRAME_POINTER_REGNUM if needed. Add elimination
8161 offsets from FRAME_POINTER_REGNUM.
8162 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
8163 (sh_register_names): Add initializer for sfp.
8164 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
8165 (VALID_REGISTER_P): Likewise.
8166 (FIRST_PSEUDO_REGISTER): Update.
8167 (DWARF_FRAME_REGISTERS): Define.
8168 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
8169 (HARD_FRAME_POINTER_REGNUM): Define.
8170 (FRAME_POINTER_REGNUM): Redefine.
8171 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
8172 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
8173 from FRAME_POINTER_REGNUM.
8174 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
8175 FRAME_POINTER_REGNUM.
8176 (REG_CLASS_CONTENTS): Add sfp.
8177 (REG_ALLOC_ORDER): Likewise.
8178 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
8179 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
8180 of frame_pointer_rtx.
8181 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
8183 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
8185 * fold-const.c (tree_expr_nonnegative_p): Only return true for
8186 ABS_EXPR when flag_wrapv is false because of INT_MIN.
8187 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
8189 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
8192 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
8194 Make CONSTRUCTOR use VEC to store initializers.
8195 * c-common.c (complete_array_type): Update to cope with VEC in
8197 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
8198 (pp_c_constructor_elts): New function.
8199 * c-pretty-print.h (pp_c_constructor_elts): Declare.
8200 * c-typeck.c (build_function_call, build_c_cast, digest_init,
8201 struct constructor_stack, struct initializer_stack,
8202 constructor_elements, push_init_level, pop_init_level,
8203 add_pending_init, find_init_member, output_init_element): Update to
8204 cope with VEC in CONSTRUCTOR_ELTS.
8205 * coverage.c (build_fn_info_value, build_ctr_info_value,
8206 build_gcov_info): Likewise.
8207 * expr.c (categorize_ctor_elements_1, store_constructor,
8208 expand_expr_real_1): Likewise.
8209 * fold-const.c (fold_ternary): Likewise.
8210 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
8211 gimplify_init_constructor, gimplify_expr): Likewise.
8212 * tree-dump.c (dequeue_and_dump): Likewise.
8213 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
8215 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
8217 * tree-sra.c (generate_element_init_1): Likewise.
8218 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
8219 * tree-ssa-operands.c (get_expr_operands): Likewise.
8220 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
8221 * tree-vect-transform.c (vect_get_vec_def_for_operand):
8222 (get_initial_def_for_reduction): Likewise.
8223 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
8224 value handle in annotations.
8225 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
8226 tree_node_structure): Add support for constr_kind.
8227 (build_vector_from_ctor, build_constructor_single,
8228 build_constructor_from_list): New functions.
8229 (build_constructor): Update to take a VEC instead of a TREE_LIST.
8230 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
8231 Update to cope with VEC in CONSTRUCTOR_ELTS.
8232 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
8233 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
8234 CONSTRUCTOR_APPEND_ELT): New macros.
8235 (struct constructor_elt, struct tree_constructor): New data types.
8236 (union tree_node): Add tree_constructor field.
8237 * treestruct.def: Define TS_CONSTRUCTOR.
8238 * varasm.c (const_hash_1, compare_constant, copy_constant,
8239 compute_reloc_for_constant, output_addressed_constants,
8240 initializer_constant_valid_p, output_constant,
8241 array_size_for_constructor, output_constructor): Update to cope with
8242 VEC in CONSTRUCTOR_ELTS.
8243 * vec.h (VEC_empty, VEC_copy): New macros.
8245 2005-07-19 Devang Patel <dpatel@apple.com>
8247 * dbxout.c (dbxout_type): Check Objective-C++ lang.
8249 2005-07-19 Richard Henderson <rth@redhat.com>
8252 * gimplify.c (gimplify_expr): Use main variant type for the temp
8253 destination for a discarded volatile read.
8254 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
8255 casts between non-void types that change volatility.
8257 2005-07-15 DJ Delorie <dj@redhat.com>
8259 * toplev.h: Add comment about the first parameter for warning().
8260 * errors.h: Likewise.
8262 * c.opt (Wpragmas): New.
8263 * doc/invoke.texi: Document it.
8265 * function.c (do_warn_unused_parameter): Add warning control to
8267 * c-decl.c (warn_if_shadowing): Likewise.
8268 * c-lex.c (cb_def_pragma): Likewise.
8269 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
8270 (pop_alignment): Likewise.
8271 (handle_pragma_pack): Likewise.
8272 (apply_pragma_weak): Likewise.
8273 (handle_pragma_weak): Likewise.
8274 (handle_pragma_redefine_extname): Likewise.
8275 (add_to_renaming_pragma_list): Likewise.
8276 (handle_pragma_extern_prefix): Likewise.
8277 (maybe_apply_renaming_pragma): Likewise.
8278 (handle_pragma_visibility): Likewise.
8280 * config/c4x/c4x-c.c (BAD): Likewise.
8281 (c4x_parse_pragma): Likewise.
8282 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
8283 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
8284 (rs6000_pragma_longcall): Likewise.
8285 * config/v850/v850-c.c (pop_data_area): Likewise.
8286 (ghs_pragma_section): Likewise.
8287 (ghs_pragma_section): Likewise.
8288 (ghs_pragma_interrupt): Likewise.
8289 (ghs_pragma_starttda): Likewise.
8290 (ghs_pragma_startsda): Likewise.
8291 (ghs_pragma_startzda): Likewise.
8292 (ghs_pragma_endtda): Likewise.
8293 (ghs_pragma_endsda): Likewise.
8294 (ghs_pragma_endzda): Likewise.
8296 2005-07-19 Danny Berlin <dberlin@dberlin.org>
8297 Kenneth Zadeck <zadeck@naturalbridge.com>
8299 * Makefile.in: Removed tree-promote-statics.c
8300 * tree-promote-statics.c: Removed.
8301 * common.opt: Removed flag-promote-statics.
8303 * passes.c: Removed tree-promote-statics pass.
8304 * tree-pass.h: Ditto.
8305 * timevar.def: Removed TV_PROMOTE_STATICS.
8308 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
8310 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
8312 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
8314 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8317 * c-common.c (check_function_arguments): Call
8318 'check_function_format' if either -Wformat or
8319 -Wmissing-format-attribute are specified.
8320 * c-format.c (check_function_format): Check -Wformat before
8321 calling 'check_format_info'.
8322 * c-opts.c (c_common_post_options): Don't warn for
8323 -Wmissing-format-attribute without -Wformat.
8324 * c-typeck.c (convert_for_assignment): Detect additional cases for
8325 -Wmissing-format-attribute.
8326 * doc/invoke.texi (-Wmissing-format-attribute): Document new
8329 2005-07-19 Richard Guenther <rguenther@suse.de>
8331 * config/i386/i386.md (lrint<mode>2): Use temporary
8332 instead of clobbering non-existent memory.
8334 2005-07-19 Nick Clifton <nickc@redhat.com>
8336 * config/avr/avr.c (legitimate_address_p): Fix debugging print
8337 statement to avoid displaying ASCII control characters.
8339 2005-07-19 Ben Elliston <bje@au.ibm.com>
8341 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
8342 * cfganal.c (find_edge_index): Ditto.
8343 * combine.c (combine_instructions): Ditto.
8344 * ddg.c (create_scc): Ditto.
8345 (find_successors): Ditto.
8346 (find_predecessors): Ditto.
8347 (find_nodes_on_paths): Ditto.
8348 (longest_simple_path): Ditto.
8349 * flow.c (update_life_info): Ditto.
8350 (count_or_remove_death_notes): Ditto.
8351 (clear_log_links): Ditto.
8352 * modulo-sched.c (generate_reg_moves): Ditto.
8353 (find_max_asap): Ditto.
8354 (find_max_hv_min_mob): Ditto.
8355 (find_max_dv_min_mob): Ditto.
8356 * sbitmap.c (sbitmap_first_set_bit): Ditto.
8357 * sched-rgn.c (extract_edgelst): Ditto.
8358 * tree-into-ssa.c (prepare_names_to_update): Ditto.
8359 (dump_update_ssa): Ditto.
8360 (ssa_names_to_replace) Ditto.
8361 (switch_virtuals_to_full_rewrite): Ditto.
8362 (update_ssa): Ditto.
8363 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
8365 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
8367 Fix PR tree-optimization/22483
8369 * tree-complex.c (create_components): Use
8370 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
8371 * tree-flow-inline.h (fill_referenced_var_vec): New function.
8372 * tree-flow.h (safe_referenced_var_iterator): New structure.
8373 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
8374 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
8375 safe_referenced_var iterator.
8376 (add_type_alias): Ditto.
8378 2005-07-19 Steven Bosscher <stevenb@suse.de>
8380 * loop-init.c (rest_of_handle_loop2): Remove.
8381 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
8382 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
8383 (pass_rtl_loop_init, pass_rtl_loop_done,
8384 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
8385 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
8386 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
8387 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
8388 pass_tree_loop_done, and pass_tree_unswitch.
8389 (gate_loop): Rename to gate_tree_loop.
8390 * passes.c (init_optimization_passes): Update for renamed tree
8391 loop passes. Add the new loop2 passes as subpasses of loop2.
8392 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
8393 Update for the renamed tree loop passes.
8395 2005-07-18 Ian Lance Taylor <ian@airs.com>
8398 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
8399 blocks when optimizing.
8401 2005-07-18 Steve Ellcey <sje@cup.hp.com>
8403 * common.opt (frename-registers): Initialize to 2.
8405 (fgcse-after-reload): Ditto.
8406 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
8407 (process_options): Only change flag_web, flag_rename_registers,
8408 and flag_rerun_cse_after_loop if not explicitly set by user.
8410 2005-07-18 Jan Beulich <jbeulich@novell.com>
8412 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
8413 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
8414 in 64-bit mode the same as DImode in 32-bit mode.
8415 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
8416 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
8417 mode. Add new mode parameter.
8418 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
8419 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
8420 x86_64_shift_adj): New expanders.
8421 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
8422 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
8424 Respective new splitters. Use renamed shift splitter helpers in 32-bit
8425 DImode shift splitters.
8426 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
8427 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
8430 2005-07-18 Jan Beulich <jbeulich@novell.com>
8432 * i386.md (movdi_extzv_1): New.
8433 (zero_extendhidi2): Combine alternatives and never force use of
8435 (zero_extendqidi2): Likewise. Don't restrict input selection.
8437 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8439 Fix PR tree-optimization/22531
8440 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
8443 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8445 * tree-promote-statics.c (pass_promote_statics): Change dump file
8448 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8450 * tree-optimize.c (init_tree_optimization_passes): Add
8451 pass_eliminate_useless_stores pass.
8452 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
8453 * tree-ssa-pre.c (is_copy_stmt): New function.
8454 (follow_copies_till_vuse): Ditto.
8455 (do_eustores): Ditto.
8456 (gate_eustores): Ditto.
8458 2005-07-16 Richard Henderson <rth@redhat.com>
8460 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
8462 2005-07-16 Danny Berlin <dberlin@dberlin.org>
8463 Kenneth Zadeck <zadeck@naturalbridge.com>
8465 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
8466 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
8467 ipa-type-escape.h, tree-promote-statics.c
8468 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
8469 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
8470 tree-promote-statics.c: new files.
8471 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
8472 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
8473 int nonlocal_set_p, mark_constant_function): Deleted.
8474 (rest_of_handle_cfg): Removed call to mark_constant_function.
8475 (nonoverlapping_component_refs_p): Added calls to support
8476 type based aliasing.
8477 * tree-ssa-alias.c (may_alias_p,
8478 compute_flow_insensitive_aliasing): Ditto.
8479 * calls.c (flags_from_decl_or_type): Removed reference to
8481 * c-typeck.c (convert_arguments): Make builtins tolerant of having
8482 too many arguments. This is necessary for Spec 2000.
8483 * cgraph.h (const_function, pure_function): Removed.
8484 * common.opt: Added "fipa-pure-const", "fipa-reference",
8485 "fipa-type-escape", and "ftree-promote-static".
8487 * passes.c: Added ipa and tree-promote-statics passes.
8488 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
8489 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
8490 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
8491 * tree-flow.h: Added exposed sra calls and addition of
8492 reference_vars_info field for FUNCTION_DECLS.
8493 * tree-pass.h: Added passes.
8494 * tree-sra.c: (sra_init_cache): New function.
8495 (sra_insert_before, sra_insert_after) Made public.
8496 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
8498 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
8499 aliasing. (may_alias_p): Added code to use type escape analysis to
8501 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
8502 code to prune clobbers of static variables based on information
8503 produced in ipa-reference pass. Changed call clobbering so that
8504 statics are not marked as clobbered if the call does not clobber
8507 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
8509 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
8512 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8514 * doc/install.texi (*-*-solaris2*): Document recommended version
8515 of GNU binutils and mention GNU linker problem on Solaris 10.
8517 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
8520 * c-decl.c (c_build_bitfield_integer_type): New function.
8521 (finish_struct): Call it.
8522 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
8524 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8526 * c-typeck.c (digest_init): Call 'convert_for_assignment'
8529 2005-07-16 Jan Hubicka <jh@suse.cz>
8531 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
8532 (scale_bbs_frequencies_int): Watch roundoff errors.
8533 * predict.c (return_prediction): Initialize return_stmt.
8535 2005-07-16 Jan Hubicka <jh@suse.cz>
8537 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
8538 after RTL profiling.
8540 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
8543 * fold-const.c (build_range_check): Convert high/low to etype
8544 if we are only comparing against exp.
8546 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
8548 Fix PR tree-optimization/22376
8549 * tree-ssa-structalias.c (build_constraint_graph): We really meant
8551 (need_to_solve): New function.
8552 (compute_points_to_sets): Use it.
8554 2005-07-15 Jan Hubicka <jh@suse.cz>
8556 * cfg.c (update_bb_profile_for_threading): More diagnostic.
8557 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
8559 2005-07-15 Richard Guenther <rguenther@suse.de>
8561 * c-common.c (handle_flatten_attribute): New function.
8562 Add flatten function attribute.
8563 * doc/extend.texi: Document flatten function attribute.
8564 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
8565 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8567 (cgraph_decide_inlining): Handle functions with flatten
8570 2005-07-14 David Edelsohn <edelsohn@gnu.org>
8572 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
8573 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
8574 UNSPEC_XCHG, UNSPEC_AND): New.
8575 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
8576 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
8577 * config/rs6000/sync.md (FETCHOP): New code macro.
8578 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
8580 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
8581 (sync_compare_and_swap<mode>): Same.
8582 (sync_lock_test_and_set<mode>): Same.
8583 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
8584 for QImode and HImode, and not PPC405.
8585 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
8586 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
8587 (sync_<fetchop>{si,di}_internal): New.
8588 (sync_nand{si,di}_internal): New.
8589 (sync_old_<fetchop>{si,di}_internal): New.
8590 (sync_old_nand{si,di}_internal): New
8591 (sync_new_<fetchop>{si,di}_internal): New.
8592 (sync_new_nand{si,di}_internal): New.
8593 (atomic_and{si,di}): New.
8594 (sync_new_nand{si,di}_internal): New.
8595 (atomic_and{si,di}): New.
8596 (sync_add<mode>_internal): Delete.
8597 (sync_addshort_internal): Use unspec instead of unspec_volatile.
8598 (sync_sub<mode>_internal): Delte.
8599 (sync_subshort_internal): New.
8600 (sync_andsi_internal): Use unspec instead of unspec_volatile.
8601 (sync_anddi_internal): Delete.
8602 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
8603 (sync_booldi_internal): Delete.
8604 (sync_boolc<mode>_internal): Delete.
8605 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
8606 (sync_boolc<mode>_internal2): Delete.
8607 (sync_boolcc<mode>_internal): Delete.
8608 (isync, lwsync): Use unspec instead of unspec_volatile.
8609 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
8610 Revert UNSPEC_VOLATILE.
8611 (rs6000_split_atomic_op): New.
8612 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
8614 2005-07-14 Eric Christopher <echristo@redhat.com>
8616 * config/mips/mips.c (mips_canonicalize_comparison): Cast
8617 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
8619 2005-07-14 Eric Christopher <echristo@redhat.com>
8621 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
8623 2005-07-14 Steven Bosscher <stevenb@suse.de>
8625 PR tree-optimization/22230
8626 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
8627 the computation of the four cross productions for "range op range".
8629 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
8630 Ulrich Weigand <uweigand@de.ibm.com>
8633 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
8636 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8638 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
8640 2005-07-14 Steve Ellcey <sje@cup.hp.com>
8642 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
8644 2005-07-14 Richard Guenther <rguenther@suse.de>
8647 * config/i386/i386-protos.h (ix86_function_value): Change
8648 prototype to match new target hook.
8649 * config/i386/i386.c (ix86_value_regno): Change prototype
8650 to take extra type argument.
8651 (TARGET_FUNCTION_VALUE): Define.
8652 (ix86_function_ok_for_sibcall): Pass extra argument to
8653 ix86_value_regno, check return slot rtx for exact match.
8654 (ix86_function_value): Take extra parameter. Dispatch to
8655 ix86_value_regno with fndecl/fntype as provided.
8656 (ix86_value_regno): Handle extra type argument.
8657 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
8659 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
8660 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
8661 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
8662 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
8663 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
8665 2005-07-14 Richard Guenther <rguenther@suse.de>
8667 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
8668 * calls.c (expand_call): Pass fntype to hard_function_value.
8669 (emit_library_call_value_1): Likewise.
8670 * explow.c: Include target.h.
8671 (hard_function_value): Take extra argument, the fntype.
8672 Use new target hook for function_value.
8673 * expr.h (hard_function_value): Change prototype.
8674 * function.c (aggregate_value_p): Pass 0 as fntype to
8675 hard_function_value.
8676 (assign_parms): Use new target hook for function_value.
8677 Pass 0 as fntype to hard_function_value.
8678 (expand_function_end): Likewise.
8679 * reg-stack.c: Include target.h.
8680 (stack_result): Use new target hook for function_value.
8681 * target-def.h: New target hook function_value.
8682 * target.h: Likewise.
8683 * targhooks.c (default_function_value): New function.
8684 * targhooks.h (default_function_value): Declare.
8686 2005-07-13 Ian Lance Taylor <ian@airs.com>
8688 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
8690 2005-07-14 Jan Hubicka <jh@suse.cz>
8692 * tree-dfa.c (dump_variable): Use default_def function.
8693 * tree-ssa-alias.c (dump_points_to_info): Likewise.
8694 * tree-ssa.c (verify_use): Likewise.
8695 * tree-ssanames.c (release_ssa_name): Likewise.
8696 * tree-tailcall.c (eliminate_tail_call): Likewise.
8697 (tree_optimize_tail_calls_1): Likewise.
8698 * tree-vrp.c (get_value_range): Likewise.
8700 2005-07-14 Ben Elliston <bje@au.ibm.com>
8702 * gcc.c (main): Compare language[0] with '*' when iterating over
8705 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8707 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
8708 "s390_emit_compare". Add handling of CCZ1mode.
8709 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
8710 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
8712 (s390_branch_condition_mask): Add CCZ1mode handling.
8713 * config/s390/s390.md: ("seq", "*seq"): New pattern.
8714 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
8715 Use CCZ1mode instead of CCZmode.
8716 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
8718 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8720 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
8722 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
8724 2005-07-13 Eric Christopher <echristo@redhat.com>
8726 * config/mips/mips.c (mips_canonicalize_comparison): New.
8727 (mips_emit_int_relational): Use.
8729 2005-07-13 Eric Christopher <echristo@redhat.com>
8731 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8733 * config/s390/s390.md: Include tpf.md. Move tpf specific
8735 * config/s390/tpf.md: To here.
8736 * config/s390/s390.opt: Move tpf specific options...
8737 * config/s390/tpf.opt: to here. Add mmain option.
8738 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8739 * config/s390/tpf.h: Rewrite.
8741 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8743 * doc/tm.texi: Remove @xref{Cross-profiling}.
8745 2005-07-13 Jeff Law <law@redhat.com>
8747 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
8748 expressions, test their _DECL operands for pointer equality rather
8749 than using operand_equal_p.
8751 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8753 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
8754 (TARGET_POSIX_IO): This.
8755 * config/darwin.h: Likewise.
8756 * config/freebsd.h: Likewise.
8757 * config/linux.h: Likewise.
8758 * config/lynx.h: Likewise.
8759 * config/netbsd.h: Likewise.
8760 * config/rs6000/linux64.h: Likewise.
8761 * config/rs6000/linux.h: Likewise.
8762 * config/s390/tpf.h: Likewise.
8763 * config/sh/embed-elf.h: Likewise.
8764 * config/sparc/linux64.h: Likewise.
8765 * config/sparc/linux.h: Likewise.
8766 * config/svr4.h: Likewise.
8767 * gcov-io.h: Likewise.
8769 * doc/tm.texi: Updated.
8771 * libgcov.c (create_file_directory): Defined only if
8772 TARGET_POSIX_IO is defined.
8773 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
8776 2005-07-13 Jan Hubicka <jh@suse.cz>
8778 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
8780 2005-07-13 David Edelsohn <edelsohn@gnu.org>
8782 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
8783 structure as argument.
8785 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
8787 PR tree-optimization/21921
8788 * tree-iterator.c (tsi_link_before): Support the case when
8789 tsi_end_p (tsi) == true.
8791 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8793 PR tree-optimization/22442
8794 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
8797 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8799 PR rtl-optimization/20376
8800 * toplev.c (process_options): Enable -fweb and -frename-registers when
8802 * doc/invoke.texi: Update the information about when -fweb and
8803 -frename-registers are enabled.
8805 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8808 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
8809 if *rhs_p is not a SSA_NAME.
8811 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
8813 Fix PR tree-optimization/22422
8814 * tree-ssa-structalias.c (struct variable_info): Add flag for
8816 (get_varinfo): Now a static function.
8817 (new_varinfo): init has_union and is_special_var to false.
8818 (solution_set_add): Check has_union.
8819 (do_da_constraint): Move temporary variable so it gets reset
8821 Also check for special variable.
8822 (do_ds_constraint): Ditto.
8823 (do_sd_constraint): Ditto.
8824 (do_structure_copy): Check for special variable.
8825 (find_func_aliases): Ditto.
8826 (init_base_vars): Set special vars properly.
8828 2005-07-13 Jan Hubicka <jh@suse.cz>
8830 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
8833 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
8834 (get_expr_operands): Fix thinko wrt flags and subvars.
8836 PR tree-optimize/22379
8837 * tree-inline.c (expand_call_inline): Do not output sorry in early
8840 2005-07-12 Dale Johannesen <dalej@apple.com>
8842 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
8844 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8847 * host-linux.h: Include limits.h.
8849 2005-07-12 Dale Johannesen <dalej@apple.com>
8851 * expr.c (compress_float_constant): Add cost check.
8852 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
8854 2005-07-12 Dale Johannesen <dalej@apple.com>
8856 * gcc.target/i386/compress-float-sse.c: New.
8857 * gcc.target/i386/compress-float-sse-pic.c: New.
8858 * gcc.target/i386/compress-float-387.c: New.
8859 * gcc.target/i386/compress-float-387-pic.c: New.
8860 * gcc.dg/compress-float-ppc.c: New.
8861 * gcc.dg/compress-float-ppc-pic.c: New.
8863 2005-07-12 Eric Christopher <echristo@redhat.com>
8865 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8867 * config/s390/s390.md: Include tpf.md. Move tpf specific
8869 * config/s390/tpf.md: To here.
8870 * config/s390/s390.opt: Move tpf specific options...
8871 * config/s390/tpf.opt: to here. Add mmain option.
8872 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8873 * config/s390/tpf.h: Rewrite.
8875 2005-07-12 Eric Christopher <echristo@redhat.com>
8877 * gcc.c (struct infile): Update comment for language.
8878 (main): Rewrite input file resetting code.
8880 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8883 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
8884 requiring a cast in a non RHS of modify_expr. Add a cast when required.
8885 (lookup_avail_expr): Use constant_boolean_node instead
8886 of boolean_false_node/boolean_true_node.
8888 2005-07-12 Ben Elliston <bje@au.ibm.com>
8890 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
8891 and use it when printing num_edges.
8893 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
8895 * doc/extend.texi (Blackfin Built-in Functions): New section.
8896 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
8899 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
8901 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
8902 s/cmpstrsi/cmpstrnsi
8903 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
8905 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
8906 (init_optabs): Initialize cmpstrn_optab.
8907 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
8908 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
8909 * expr.c: (enum insn_code cmpstrn_optab): Declare.
8910 * config/i386/i386.md: s/cmpstr/cmpstrn
8911 * config/c4x/c4x.md: s/cmpstr/cmpstrn
8912 * doc/md.texi: Update documentation.
8914 2005-07-11 Richard Henderson <rth@redhat.com>
8916 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
8917 build_va_arg_indirect_ref.
8918 (alpha_gimplify_va_arg): Likewise.
8919 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
8920 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8921 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
8922 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
8923 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8924 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
8926 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8928 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8930 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
8931 * passes.c (init_optimization_passes): Add pass_empty_loop.
8932 * tree-pass.h (pass_empty_loop): Declare.
8933 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
8934 try_remove_empty_loop, remove_empty_loops): New functions.
8935 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
8936 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
8938 2005-07-12 Peter Barada <peter@the-baradas.com>
8942 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
8943 in address registers.
8944 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
8945 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
8946 alternative of addsi3_5200.
8948 2005-07-11 Ian Lance Taylor <ian@airs.com>
8950 * config/mips/mips.md (ffs<mode>2): Remove.
8952 2005-07-11 Ian Lance Taylor <ian@airs.com>
8954 * doc/tree-ssa.texi (Cleanups): Improve description of
8956 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
8958 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8960 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
8961 * tree.h (DECL_ARGUMENT_FLD): New macro.
8963 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8965 Fix PR tree-optimization/22404
8967 * tree-ssa-structalias.c (create_variable_info_for): Use
8970 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
8972 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
8973 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
8974 for second comparison operand.
8975 * config/bfin/predicates.md (reg_or_const_int_operand): New.
8977 * config/bfin/bfin.md (define_attr "type"): Add "sync".
8978 (define_insn_reservation "alu"): Likewise.
8979 (csync, ssync): Now of type sync.
8980 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
8981 -mcsync-anomaly -mspecld-anomaly.
8982 * config/bfin/bfin.opt (mcsync): Remove.
8983 (mcsync-anomaly, mspecld-anomaly): Add.
8984 * config/bfin/bfin.c: Include "insn-codes.h".
8985 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
8986 (TARGET_DEFAULT_TARGET_FLAGS): New.
8987 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
8989 2005-07-11 Steven Bosscher <stevenb@suse.de>
8991 * basic-block.h: Give the BB flags enum a name, bb_flags.
8992 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
8993 * cfgcleanup.c (enum bb_flags): Remove here.
8994 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
8995 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
8996 (update_forwarder_flag): Likewise.
8997 (thread_jump): Likewise.
8998 (try_forward_edges): Likewise.
8999 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
9000 forwarder flags. Don't clear bb->aux for all basic blocks. Only
9001 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
9003 2005-07-11 Richard Guenther <rguenther@suse.de>
9005 * config/i386/i386.opt: New target option -msseregparm.
9006 * config/i386/i386.c (override_options): Error out for
9007 -msseregparm but no SSE support.
9008 (ix86_function_sseregparm): Check for global sseregparm.
9009 * doc/invoke.texi: Document -msseregparm.
9011 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9013 * config.gcc (m32r-*-linux*): Use the default extra_parts.
9014 (m32rle-*-linux*): Ditto.
9016 2005-07-11 Jakub Jelinek <jakub@redhat.com>
9018 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
9019 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
9022 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9026 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
9027 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
9029 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
9031 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
9032 (varmap): Heapify varmap.
9033 (constraints): Heapify constraints.
9034 (struct constraint_graph): Heapify succs and preds.
9035 (constraint_vec_find): Update for heapification.
9036 (constraint_set_union): Ditto.
9037 (insert_into_complex): Ditto.
9038 (constraint_edge_vec_find): Ditto.
9039 (erase_graph_self_edge): Ditto.
9040 (add_graph_edge): Ditto.
9041 (get_graph_weights): Ditto.
9042 (merge_graph_nodes): Ditto.
9043 (build_constraint_graph): Ditto.
9044 (topo_visit): Ditto.
9045 (solve_graph): Ditto.
9046 (create_variable_info_for): Ditto.
9047 (init_base_vars): Ditto.
9048 (delete_points_to_sets): Free graph, varmap, and complex constraints.
9049 (condese_varmap_nodes): Free complex vector.
9050 (clear_edges_for_node): Clear succs and preds vector.
9052 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
9054 * tree-ssa-structalias.c (update_alias_info): Change counting of
9055 references to not include vdefs.
9057 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
9059 * tree-ssa-alias.c (free_used_part_map): Add missing free.
9062 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9064 * pa.c (pa_commutative_p): Make PLUS commutative when
9065 TARGET_NO_SPACE_REGS is true.
9067 2005-07-09 Diego Novillo <dnovillo@redhat.com>
9069 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
9070 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
9071 * tree-dfa.c (dump_subvars_for): New.
9072 (debug_subvars_for): New.
9073 (dump_variable): Show subvariables if VAR has them.
9074 * tree-flow-inline.h (get_subvar_at): New.
9075 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
9076 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
9078 (struct subvar): Change fields offset and size to unsigned
9080 (dump_subvars_for): Declare.
9081 (debug_subvars_for): Declare.
9082 (get_subvar_at): Declare.
9083 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
9084 to unsigned HOST_WIDE_INT *.
9085 (overlap_subvar): Likewise.
9086 * tree-gimple.c (is_gimple_reg): Always return false for
9087 SFTs and memory tags.
9088 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
9090 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
9091 (compute_may_aliases): Call compute_points_to_sets.
9092 (collect_points_to_info_for): Remove.
9093 (compute_points_to_and_addr_escape): Remove.
9094 (delete_alias_info): Call delete_points_to_sets.
9095 (compute_flow_sensitive_aliasing): If the call to
9096 find_what_p_points_to returns false, call set_pt_anything.
9097 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
9098 (set_pt_anything): Clear pi->pt_vars.
9099 (set_pt_malloc): Remove.
9100 (merge_pointed_to_info): Remove.
9101 (add_pointed_to_expr): Remove.
9102 (add_pointed_to_var): Remove.
9103 (collect_points_to_info_r): Remove.
9104 (is_escape_site): Make extern.
9106 (create_overlap_variables_for): Call it.
9107 * tree-ssa-copy.c (merge_alias_info): Never merge
9108 flow-sensitive alias information.
9109 * tree-ssa-operands.c (get_expr_operands): Adjust variables
9110 offset and size to be unsigned HOST_WIDE_INT.
9111 (add_to_addressable_set): Rename from note_addressable.
9112 Set TREE_ADDRESSABLE as the variables are added to the set.
9114 (add_stmt_operand): Do not try to micro-optimize unmodifiable
9115 operands into VUSEs when adding V_MAY_DEFs for members in an
9117 * tree-ssa-operands.h (add_to_addressable_set): Declare.
9118 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
9119 (struct variable_info): Add bitfield is_heap_var.
9120 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
9121 (new_var_info): Initialize is_heap_var.
9122 (get_constraint_for): Add HEAP variables to the symbol table.
9123 Mark them with is_heap_var.
9124 (update_alias_info): New. Taken mostly from the old
9125 compute_points_to_and_addr_escape.
9126 (handle_ptr_arith): New.
9127 (find_func_aliases): Call update_alias_info.
9128 Call handle_ptr_info for tcc_binary expressions.
9129 Call mark_stmt_modified.
9130 (create_variable_info_for): If DECL has subvars, do not create
9131 variables for its subvars. Always add all the fields.
9132 (set_uids_in_ptset): If the solution includes ANYOFFSET and
9133 SFTs, then add all the SFTs of the structure.
9134 If VI->DECL is an aggregate with subvariables, add the SFT at
9136 (find_what_p_points_to): If VI is an artificial variable,
9137 translate to bitfields in SSA_NAME_PTR_INFO.
9138 If the solution is empty, set pi->pt_vars to NULL
9139 (init_base_vars): Create ANYOFFSET.
9140 (compute_points_to_sets): Rename from create_alias_vars.
9142 (pass_build_pta): Remove.
9143 (delete_points_to_sets): Rename from delete_alias_vars.
9144 (pass_del_pta): Remove.
9145 * tree-ssa-structalias.h (struct alias_info): Move from
9147 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
9148 NUM_REFERENCES_SET): Likewise.
9149 (compute_points_to_sets, delete_points_to_sets): Declare.
9151 2005-07-09 Richard Henderson <rth@redhat.com>
9153 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
9154 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
9155 alpha_split_lock_test_and_set_12): New functions.
9156 * config/alpha/alpha-protos.h: Update.
9157 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
9158 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
9159 * config/alpha/sync.md (I12MODE): New.
9160 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
9161 (sync_<fetchop_name><I48MODE>): Likewise.
9162 (sync_nand<I48MODE>): Likewise.
9163 (sync_old_<fetchop_name><I48MODE>): Likewise.
9164 (sync_new_<fetchop_name><I48MODE>): Likewise.
9165 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
9166 (sync_compare_and_swap<I48MODE>): Likewise.
9167 (sync_lock_test_and_set<I48MODE>): Likewise.
9168 (sync_compare_and_swap<I12MODE>): New.
9169 (sync_compare_and_swap<I12MODE>_1): New.
9170 (sync_lock_test_and_set<I12MODE>): New.
9171 (sync_lock_test_and_set<I12MODE>_1): New.
9173 2005-07-09 Diego Novillo <dnovillo@redhat.com>
9177 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
9179 2005-07-09 Jakub Jelinek <jakub@redhat.com>
9181 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
9182 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
9184 2005-07-09 Richard SAndiford <richard@codesourcery.com>
9187 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
9189 2005-07-08 David Edelsohn <edelsohn@gnu.org>
9191 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
9192 memory_operand constraint.
9193 (store_conditional_<mode>): Same.
9194 (sync_compare_and_swap<mode>): Same.
9195 (sync_lock_test_and_set<mode>): Same.
9197 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
9199 Rewrite PIC support to more closely model actual instructions.
9200 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
9201 (cris_symbol): Remove prototypes for removed functions.
9202 (cris_pic_symbol_type_of, cris_valid_pic_const)
9203 (cris_expand_pic_call_address): Prototypes for new functions.
9204 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
9206 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
9208 <case ':'>: Add case for new punctuation character.
9209 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
9210 emitting (extra) PIC modifier.
9211 <case UNSPEC>: Do not assert for PLT.
9212 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
9213 (cris_expand_prologue, cris_expand_epilogue): Check
9214 for pic_offset_table_rtx usage instead of taking
9215 current_function_uses_pic_offset_table as the final word.
9216 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
9217 Remove flag_pic difference.
9218 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
9219 the moral equivalents of...
9220 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
9222 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
9223 (cris_handle_option): Mark ARG as unused.
9224 (cris_expand_pic_call_address): New worker function for "call",
9226 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
9227 output PIC constructs here.
9228 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
9229 as symbol-specific modifers, not whole or part of operands.
9230 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
9231 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
9232 constants and flag_pic.
9233 (CONSTANT_INDEX_P): Adjust for new functions.
9234 (enum cris_pic_symbol_type): New helper type.
9235 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
9236 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
9237 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
9239 ("movsi"): Emit actual instructions for GOT and relative access.
9240 ("*movsi_got_load"): New pattern to set up the register holding
9242 ("*movsi_internal"): Operand 1 is not a plain general_operand.
9243 Adjust FIXME for 'S'.
9244 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
9245 Use "movs" for -fpic cases.
9246 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
9247 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
9248 ("call", "call_value"): Just call cris_expand_pic_call_address for
9250 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
9251 Remove special pattern.
9252 ("*expanded_call_side", "*expanded_call_value_side"): New
9254 (gotplt-to-plt, gotplt-to-plt-side-call)
9255 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
9257 * config/cris/cris/predicates.md
9258 ("cris_general_operand_or_gotless_symbol"): Remove unused
9260 ("cris_general_operand_or_symbol"): Adjust for new functions.
9262 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9264 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
9266 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
9268 * Makefile.in (TREE_H): Add treestruct.def.
9269 (c-decl.o): Add pointer-set.h
9270 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
9271 visibility on regular DECL's.
9272 (merge_decls): Fix the copying of decl nodes of various types for
9273 the new structures. Don't update RTL, section name, weak status,
9274 etc, on DECL's without RTL.
9275 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
9276 Don't check volatile on non-variable types.
9277 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
9278 to check whether we have seen arguments.
9279 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
9280 flag is checked before field (flag is common, field is not).
9281 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
9282 TS_DECL_COMMON could have an origin.
9283 (add_location_or_const_value_attribute): Don't check section name
9284 on non-var/function decls.
9285 (dwarf2out_var_location): Reverse order of tests.
9286 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
9287 with DECL_WRTL_CHECK.
9288 * expmed.c (make_tree): rtl is now in decl_with_rtl.
9289 * fold-const.c (fold_binary): Don't check weakness on
9290 non-var/function decls.
9291 (tree_expr_nonzero_p): Ditto.
9292 (fold_checksum_tree): Use tree_decl_extra as sizeof
9294 * ggc-page.c (extra_order_size_table): Add sizes for
9295 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
9297 * gimplify.c (gimplify_bind_expr): Only set
9298 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
9299 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
9301 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
9302 * langhooks.h (init_ts). New langhook.
9303 * passes.c (rest_of_decl_compilation): Reverse order of tests.
9304 * print-tree.c (print_node): Update to only print fields that
9305 exist in the structures the passed decl has.
9306 * toplev.c (wrapup_global_declarations): Don't reset
9307 DECL_DEFER_OUTPUT on DECL's that don't contain it.
9308 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
9309 * tree-inline.c (remap_decl): Ditto.
9310 * tree-outof-ssa.c (create_temp): Reverse order of tests.
9311 * tree-pretty-print.c (print_declaration): Don't print
9312 DECL_REGISTER on things that don't contain it.
9313 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
9314 non-var/function decls.
9315 * tree.c (tree_contains_struct): New structure.
9316 (init_priority_for_decl): New hashtable.
9317 (tree_int_map): New structure.
9318 (tree_int_map_eq): New function.
9319 (tree_int_map_marked_p): Ditto.
9320 (tree_int_map_hash): Ditto.
9321 (tree_map): Move to tree.h.
9322 (tree_map_eq): Externalize.
9323 (tree_map_hash): Ditto.
9324 (tree_map_marked_p): Ditto.
9325 (init_ttree): Set up tree_contains_struct and call langhook.
9326 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
9327 (tree_code_size): Update for new structures.
9328 (tree_node_structure): Update for new structures.
9329 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
9331 (copy_node_stat): Copy init priority.
9332 (build_decl_stat): Ditto for visibility.
9333 (ts_enum_names): New.
9334 (tree_contains_struct_check_failed): New function.
9335 (decl_init_priority_lookup): Ditto.
9336 (decl_init_priority_insert): Ditto.
9337 * treestruct.def: New file.
9338 * tree.h (CODE_CONTAINS_STRUCT): New macro.
9339 (CONTAINS_STRUCT_CHECK): Ditto.
9340 (tree_contains_struct_check_failed): New prototype.
9341 (DECL_CHECK): Removed.
9342 (DECL_MINIMAL_CHECK): New.
9343 (DECL_COMMON_CHECK): Ditto.
9344 (DECL_WRTL_CHECK): Ditto.
9345 (DECL_NON_COMMON_CHECK): Ditto.
9346 (DECL_WITH_VIS_CHECK): Ditto.
9347 (VAR_OR_FUNCTION_DECL_P): Ditto
9348 (struct tree_decl_minimal): New structure.
9349 (struct tree_decl_common): Ditto.
9350 (struct tree_decl_with_rtl): Ditto.
9351 (struct tree_decl_with_vis): Ditto.
9352 (struct tree_decl_non_common): Ditto.
9353 (struct tree_field_decl): Ditto.
9354 (struct tree_parm_decl): Ditto.
9355 (struct tree_var_decl): Ditto.
9356 (struct tree_function_decl): Ditto.
9357 (struct tree_const_decl): Ditto.
9358 (struct tree_result_decl): Ditto.
9359 (union tree_node): Add new structures.
9360 * var-tracking.c (track_expr_p): Reverse order of tests.
9362 * doc/c-tree.texi: Add documentation on DECL node internal structure.
9364 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
9366 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
9367 * system.h: Poison FINALIZE_PIC.
9368 * doc/tm.texi (FINALIZE_PIC): Remove.
9370 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9373 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
9374 to the correct type if we have a MODIFY_EXPR.
9376 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
9378 PR tree-optimization/22360
9379 * tree.c (upper_bound_in_type): Fix calculations for casting
9380 to a non-wider signed type and casting a signed value to a
9381 wider unsigned type.
9382 (lower_bound_in_type): Fix calculations for casting to a
9383 non-wider signed type.
9385 PR tree-optimization/20139
9386 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
9388 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
9389 fold_cond_expr_cond.
9390 * tree-ssanames.c (release_defs): Assert in_ssa_p.
9391 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
9393 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9396 * tree-complex.c (expand_complex_libcall): Produce
9397 REALPART_EXPR/IMAGPART_EXPR with the correct type.
9399 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
9401 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
9402 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
9403 b" assert and inserted fastpath code for this case.
9404 (bitmap_ior): Removed "a != b" assert.
9406 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9408 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
9409 (ENDFILE_SPEC): Likewise.
9410 * config/m32r/m32r.h (ASM_SPEC): Likewise.
9412 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
9413 a large stack frame at epilogue.
9415 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
9417 * final.c: Include sdbout.h when required.
9419 2005-07-07 Geoffrey Keating <geoffk@apple.com>
9421 * config.gcc (*-*-darwin*): Only one target-specific header file
9423 (powerpc-*-darwin*): Add version-specific header files.
9424 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
9425 * config.in: Regenerate.
9426 * configure: Regenerate.
9427 * gcc.c: Include xregex.h.
9428 (version_compare_spec_function): New.
9429 (spec_function): Add version-compare.
9430 (replace_outfile_spec_function): Reformat comment.
9431 (compare_version_strings): New.
9432 * config/darwin-c.c (version_as_macro): New.
9433 (builtin_define): New.
9434 (darwin_cpp_builtins): New.
9435 * config/darwin-protos.h (darwin_cpp_builtins): New.
9436 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
9437 (LIB_SPEC): Make unconditional, update comment.
9438 (TARGET_C99_FUNCTIONS): Define.
9439 * config/darwin.opt: Sort.
9440 (mmacosx-version-min=): New.
9441 * config/darwin7.h: Delete.
9442 * config/darwin8.h: Delete.
9443 * config/i386/darwin.h (): Call darwin_cpp_builtins.
9444 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
9445 (TARGET_C99_FUNCTIONS): Define.
9446 * config/rs6000/darwin7.h: New.
9447 * config/rs6000/darwin8.h: New.
9448 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
9449 (-mmacosx-version-min): Document.
9451 2005-07-07 Ian Lance Taylor <ian@airs.com>
9453 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
9455 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
9458 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
9460 2005-07-07 Khem Raj <kraj@mvista.com>
9462 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
9463 in bytes, not words.
9465 2005-07-07 Paul Brook <paul@codesourcery.com>
9467 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
9468 DEFAULT_FUNCTION_ARG_PADDING to upward.
9470 2005-07-07 Richard Henderson <rth@redhat.com>
9472 * function.c (locate_and_pad_parm): Record parameter alignment in
9473 stack_alignment_needed.
9475 2005-07-07 David Edelsohn <edelsohn@gnu.org>
9477 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
9478 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
9479 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
9480 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
9481 (define_attr "type"): Add isync, sync, load_l, store_c.
9482 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
9483 Create scratch volatile MEM.
9484 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
9486 (load_locked_<mode>): New.
9487 (store_conditional_<mode>): New.
9488 (sync_compare_and_swap<mode>): Replace with splitter.
9489 (sync_lock_test_and_set<mode>): Replace with splitter.
9490 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
9492 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
9493 is ics. Attribute isync.
9494 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
9496 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
9497 and UNSPECV_SYNC_OP.
9498 (emit_unlikely_jump): New.
9499 (emit_load_locked): New.
9500 (emit_store_conditional): New.
9501 (rs6000_split_compare_and_swap): New.
9502 (rs6000_split_lock_test_and_set): New.
9503 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
9504 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
9505 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
9506 rs6000_split_lock_test_and_set): Declare.
9507 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
9508 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
9509 store_c, isync, sync.
9511 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
9513 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
9514 filenames to gtyp-gen.h.
9515 (s-typ-gen): Use it in place of for loops.
9517 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
9519 * hooks.c (hook_bool_rtx_int_false): New function.
9520 * hooks.h (hook_bool_rtx_int_false): Declare.
9521 * target-def.h (TARGET_COMMUTATIVE_P): Define.
9522 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
9523 * target.h (struct gcc_target): Add commutative_p member.
9524 * targhooks.c (hook_bool_rtx_commutative_p): New function.
9525 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
9526 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
9527 (pa_commutative_p): New function.
9528 * jump.c (target.h): Include.
9529 (rtx_renumbered_equal_p): Use targetm.commutative_p.
9530 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
9532 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9534 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
9535 (s390_expand_setmem): New.
9536 * config/s390/s390.c: Likewise.
9537 (print_shift_count_operand): Truncate to 12 bits instead of 6.
9539 * config/s390/s390.md: ("setmem<mode>"): Accept character as
9540 general_operand. Call new function "s390_expand_setmem".
9541 ("clrmem_long", "*clrmem_long"): Rewrite to ...
9542 ("setmem_long", "*setmem_long"): ... this.
9544 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9546 * config/s390/s390.c: (optimization_options): Enable
9547 TARGET_MVCLE at -Os.
9548 * doc/invoke.texi: Document changes in default behaviour.
9549 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
9551 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9553 * expr.c: (set_storage_via_setmem): Convert opchar to mode
9554 defined by back-end.
9556 2005-07-07 Jakub Jelinek <jakub@redhat.com>
9558 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
9559 all sets in the pattern.
9560 * config/rs6000/rs6000.md (stack_protect_testsi,
9561 stack_protect_testdi): Likewise.
9563 2005-07-06 Jeff Law <law@redhat.com>
9565 * tree-vrp.c (simplify_using_ranges): Kill.
9566 (vrp_finalize): Remove call to simplify_using_ranges.
9567 (simplify_stmt_using_ranges): New function extracted from
9568 simplify_using_ranges.
9569 (simplify_div_or_mod_using_ranges): Likewise.
9570 (simplify_abs_using_ranges): Likewise.
9571 (simplify_cond_using_ranges): New function.
9572 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
9573 * tree-ssa-propagate.c (substitute_and_fold): Call
9574 simplify_stmt_using_ranges if we have range information.
9576 2005-07-06 James E. Wilson <wilson@specifixinc.com>
9578 * config/ia64/ia64.c (ia64_reorg): Check optimize before
9579 ia64_flag_schedule_isns2.
9581 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
9582 reading/writing general registers.
9583 (ia64_function_arg): Revert 2005-06-18 change.
9585 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
9587 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
9588 (legitimize_tls_address): Use gcc_unreachable instead of abort.
9590 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
9592 * function.c (expand_function_end): Revert part of 2005-06-27
9593 patch. Do sjlj_emit_function_exit_after after return_label.
9595 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9597 * doc/install.texi (--disable-libssp): New.
9599 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
9601 * doc/invoke.texi: Update -fforce-mem documentation.
9602 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
9603 code for -fforce-mem.
9604 * expmed.c: (store_bit_field,store_fixed_bit_field,
9605 extract_bit_field): Ditto.
9606 * expr.c: (convert_move): Ditto.
9607 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
9608 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
9609 emit_conditional_add,expand_float,expand_fix): Ditto.
9610 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
9611 (common_handle_option): Issue warning when -fforce-mem specified.
9613 2005-07-06 Paul Brook <paul@codesourcery.com>
9615 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
9617 * configure: Regenerate.
9619 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
9621 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
9623 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
9625 Fix PR tree-optimization/22319
9626 Fix PR tree-optimization/22140
9627 Fix PR tree-optimization/22310
9629 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
9630 variable sized types.
9631 Use correct type for intermediate structure on *a = *b structure
9634 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9636 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
9638 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
9639 (machine_function): Move typedef to...
9640 * config/rs6000/rs6000.c (machine_function): ... here. Add
9641 varargs_save_offset field.
9642 (rs6000_stack_t): Remove varargs_size field.
9643 (setup_incoming_varargs): Allocate varargs save area using
9644 assign_stack_local, try to make it as small as possible.
9645 Save offset from virtual_stack_vars_rtx to the save area
9646 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
9647 instead of magic 8 when fp word byte size is used.
9648 (rs6000_va_start): Use cfun->machine->varargs_save_offset
9649 instead of -RS6000_VARARGS_SIZE.
9650 (rs6000_stack_info, debug_stack_info,
9651 rs6000_initial_elimination_offset): Remove all traces of
9653 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
9654 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
9655 RS6000_VARARGS_AREA.
9657 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9659 PR tree-optimization/21963
9660 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
9661 constant_multiple_of in the same way get_computation_cost_at does.
9663 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9665 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
9666 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
9667 (gen_compare_reg): If sparc_compare_emitted is set, clear it
9668 and return its previous value.
9669 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
9670 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
9672 (stack_protect_set, stack_protect_test): New expanders.
9673 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
9674 stack_protect_testdi): New insns.
9675 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9676 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
9678 2005-07-06 Jeff Law <law@redhat.com>
9680 * tree-ssa-dce.c (cfg_altered): New global.
9681 (tree_dce_init): Initialize cfg_altered.
9682 (remove_dead_stmt): If we remove an edge in the CFG, then set
9684 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
9687 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9689 * Makefile.in (stamp-collect-ld): Use
9690 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
9691 ./collect-ld if it already exists.
9692 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
9693 Don't remove ./nm if it already exists.
9695 2005-07-05 Devang Patel <dpatel@apple.com>
9697 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
9698 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
9699 * tree-vectorizer.c (vect_loop_location): New.
9700 (vect_print_dump_info): Use vect_loop_location.
9701 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
9702 (vectorize_loops): Set vect_loop_location.
9703 * tree-vect-analyze.c (vect_analyze_offset_expr,
9704 vect_determin_vectorization_factor, vect_analyze_operations,
9705 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
9706 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
9707 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
9708 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
9709 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
9710 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
9711 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
9712 vect_analyze_loop): Adjust vect_print_dump_info API.
9713 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9714 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
9715 vect_finish_stmt_generation, vectorizable_assignment,
9716 vectorizable_operation, vectorizable_store, vectorizable_load,
9717 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
9718 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
9719 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
9720 vect_transform_loop): Same.
9721 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
9722 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
9725 2005-07-05 Randolph Chung <tausq@debian.org>
9727 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
9728 * configure: Regenerate.
9729 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
9730 (pa_tls_referenced_p): Declare.
9731 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
9732 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
9733 (legitimize_tls_address): New.
9734 (hppa_legitimize_address): Handle TLS addresses.
9735 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
9736 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9737 (emit_move_sequence): Handle TLS addresses.
9738 (pa_encode_section_info): Call default handler to handle common
9740 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
9741 (CONSTANT_ADDRESS_P): Reject TLS operands.
9742 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
9743 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
9744 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
9745 (UNSPEC_TLSLE): Define new constants.
9746 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
9747 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
9748 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
9749 (tie_symbolic_operand, tle_symbolic_operand): New
9751 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
9753 * aclocal.m4: Update macros for autoconf 2.59 style.
9754 * configure.ac: Likewise.
9756 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9758 * pa.c (function_value): Handle small aggregates on 32-bit targets.
9759 (function_arg): Pass small aggregates in general registers on 32-bit
9761 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
9763 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
9765 * Makefile.in (final.o): Fix dependencies.
9767 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9771 * langhooks.h (struct lang_hooks): Add expr_to_decl.
9772 * langhooks.c (lhd_expr_to_decl): New.
9773 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
9775 (LANG_HOOKS_INITIALIZER): Update.
9776 * tree.c (recompute_tree_invarant_for_addr_expr): Call
9777 expr_to_decl langhook.
9778 * c-tree.h (c_expr_to_decl): Declare.
9779 * c-typeck.c (c_expr_to_decl): New.
9780 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
9782 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
9784 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9787 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
9788 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
9790 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
9792 * Makefile.in: Adjust dependencies.
9793 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
9794 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
9795 * alias.c (rest_of_handle_cfg, pass_cfg): New.
9796 * bb-reorder.c (duplicate_computed_gotos): Make it static.
9797 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
9798 rest_of_compilation.
9800 * bb-reorder.c (gate_duplicate_computed_gotos,
9801 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
9802 rest_of_handle_reorder_blocks, pass_reorder_blocks,
9803 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
9804 pass_partition_blocks): New.
9805 * bt-load.c (gate_handle_branch_target_load_optimize,
9806 rest_of_handle_branch_target_load_optimize,
9807 pass_branch_target_load_optimize): New.
9808 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
9810 * cfglayout.c (pass_insn_locators_initialize): New.
9811 * cfgrtl.c (pass_free_cfg): New.
9812 * combine.c (gate_handle_combine, rest_of_handle_combine,
9814 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
9815 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
9816 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
9817 * except.c (pass_set_nothrow_function_flags,
9818 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
9820 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
9821 rest_of_handle_shorten_branches, pass_shorten_branches,
9822 rest_of_clean_state, pass_clean_state): New.
9823 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
9824 rest_of_handle_remove_death_notes, pass_remove_death_notes,
9825 rest_of_handle_life, pass_life, rest_of_handle_flow2,
9827 * function.c (pass_instantiate_virtual_regs, pass_init_function,
9828 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
9829 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
9830 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
9832 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
9833 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
9834 pass_rtl_ifcvt, gate_handle_if_after_combine,
9835 rest_of_handle_if_after_combine, pass_if_after_combine,
9836 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
9837 pass_if_after_reload): New.
9838 * integrate.c (pass_initial_value_sets): New.
9839 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
9840 pass_purge_lineno_notes): New.
9841 * mode-switching.c (rest_of_handle_mode_switching,
9842 pass_mode_switching): New.
9843 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
9844 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
9846 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
9847 pass_loop_optimize): New.
9848 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
9850 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
9852 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
9853 pass_postreload_cse): New.
9854 * profile.c (gate_handle_profiling, pass_profiling,
9855 rest_of_handle_branch_prob, pass_branch_prob): New.
9856 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
9857 pass_split_before_regstack, gate_handle_split_before_regstack,
9858 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
9859 rest_of_handle_split_all_insns, pass_split_all_insns): New.
9860 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
9861 pass_stack_regs): New.
9862 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
9863 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
9864 pass_stack_adjustments): New.
9865 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
9866 pass_regrename): New.
9867 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
9868 pass_delay_slots, gate_handle_machine_reorg,
9869 rest_of_handle_machine_reorg, pass_machine_reorg): New.
9870 * rtl.h (extern void purge_line_number_notes): New.
9871 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
9872 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
9874 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
9876 * value-prof.c (gate_handle_value_profile_transformations,
9877 rest_of_handle_value_profile_transformations,
9878 pass_value_profile_transformations): New.
9879 * var-tracking.c (gate_handle_var_tracking,
9880 pass_variable_tracking): New.
9881 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
9883 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
9884 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
9885 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
9886 rest_of_handle_old_regalloc, rest_of_handle_regrename,
9887 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
9888 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
9889 rest_of_handle_gcse2, rest_of_handle_regmove,
9890 rest_of_handle_tracer, rest_of_handle_if_conversion,
9891 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
9892 rest_of_handle_web, rest_of_handle_branch_prob,
9893 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
9894 rest_of_handle_jump_bypass, rest_of_handle_combine,
9895 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9896 rest_of_handle_gcse, rest_of_handle_loop_optimize,
9897 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
9898 rest_of_handle_mode_switching, rest_of_handle_jump,
9899 rest_of_handle_eh, rest_of_handle_stack_adjustments,
9900 rest_of_handle_flow2, rest_of_handle_jump2,
9901 rest_of_handle_peephole2, rest_of_handle_postreload,
9902 rest_of_handle_shorten_branches, rest_of_clean_state,
9903 rest_of_compilation): Remove.
9905 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
9906 * passes.c (dump_flags, in_gimple_form, all_passes,
9907 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9908 register_dump_files, next_pass_1, last_verified, execute_todo,
9909 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
9910 from tree-optimize.c.
9911 (init_optimization_passes): Moved from tree-optimize.c,
9912 adding the RTL optimizations.
9913 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
9914 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
9915 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9916 register_dump_files, next_pass_1, last_verified, execute_todo,
9917 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
9918 init_tree_optimization_passes, ipa_passes): Delete.
9919 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
9921 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
9922 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
9924 (ipa_passes): Remove.
9925 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
9926 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
9927 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
9928 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
9929 (dump_info_p, dump_flag): Moved to tree-dump.h.
9931 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
9933 * passes.c (finish_optimization_passes): Use dump_begin
9934 and dump_end, TDI_end.
9935 (gate_rest_of_compilation): New.
9936 (pass_rest_of_compilation): Use it.
9937 (gate_postreload, pass_postreload): New.
9938 * toplev.c (general_init): Rename init_tree_optimization_passes.
9939 * toplev.h (init_tree_optimization_passes): Rename to
9940 init_optimizations_passes.
9941 * tree-dump.c (dump_flag): Make static.
9942 (dump_files): Remove RTL dumps.
9943 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
9944 pass_cleanup_cfg, pass_free_cfg_annotations,
9945 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
9946 pass_init_datastructures, pass_fixup_cfg): Make non-static.
9947 * tree-pretty-print.c: Include tree-pass.h.
9948 * cgraph.c: Include tree-dump.h.
9950 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9952 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
9953 Only fall back to saying it points to readonly memory if
9956 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9958 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
9959 * config/m32r/m32r.c (m32r_compute_frame_size,
9960 m32r_expand_prologue): Take current_function_profile into
9961 account whenever we reference
9962 current_function_uses_pic_offset_table.
9963 (m32r_finalize_pic): Remove.
9964 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
9966 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
9968 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
9969 instead of $<. Don't remove ./as if it already exists.
9971 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9974 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
9975 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
9976 for complex modes when generating code for PA 1.0.
9977 (VALID_FP_MODE_P): New macro.
9978 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9979 sets for all general and floating point modes. Align wide floating
9980 point modes to even register boundaries to comply with architectural
9982 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
9983 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
9984 (VALID_FP_MODE_P): New macro.
9985 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9986 sets for all general and floating point modes. Align wide floating
9987 point modes to even register boundaries to comply with architectural
9990 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9992 * tree-dump.c (dump_files): Initialize dump number for .cgraph
9995 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9997 * tree-ssa-structalias.c: Don't include expr.h.
9999 2005-07-04 Diego Novillo <dnovillo@redhat.com>
10001 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
10004 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
10006 Fix PR tree-optimization/22279
10008 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
10011 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
10013 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
10015 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
10017 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
10018 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
10019 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
10020 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
10021 config/stormy16/stormy16.c, config/v850/v850.c,
10022 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
10023 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
10024 Avoid "." or "\n" at end of diagnostics and capital letters at
10025 start of diagnostics.
10026 * combine.c, cse.c: Don't translate dump file output.
10027 * toplev.c (print_version): Only translate output if going to
10030 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
10032 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
10033 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
10036 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10038 * pa.c (fix_range): Fix typo in comment.
10040 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
10042 * tree-vrp.c (extract_range_from_assert): Replace
10043 fold (build (...)) with fold_build2.
10045 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10047 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
10048 gcc_gfc_char_table, init_dynamic_gfc_info): New.
10049 (format_types_orig, handle_format_attribute): Add support for
10052 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
10054 * varasm.c (assemble_variable): Fix format specifier thinko.
10056 2005-07-03 Ira Rosen <irar@il.ibm.com>
10058 PR tree-optimization/22029 (and 22135)
10059 * tree-pretty-print.c (dump_generic_node): Check that the node is not
10060 a phi node before calling dump_vops.
10062 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
10064 * tree-dump.h (dump_string_field): Declare.
10065 * tree-dump.c: Use it instead of dump_string.
10066 (dump_string_field): Make non-static.
10068 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
10070 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
10071 up the minimal CFG stuff always when optimize > 0. Call
10072 split_all_insns_noflow in PIC case if needed.
10074 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
10075 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
10078 * c-decl.c (c_write_global_declarations): Dump contents of
10080 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
10081 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
10082 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
10083 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
10086 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
10088 * c-common.h (GCC_DIAG_STYLE): Define.
10089 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
10090 version for format checking to 4.1.
10091 * c-format.c: Include toplev.h after c-common.h.
10092 (enum format_type): Add gcc_tdiag_format_type.
10093 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
10094 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
10095 (format_types_orig): Add gcc_tdiag.
10096 (init_dynamic_diag_info): Support gcc_tdiag formats.
10097 (handle_format_attribute): Likewise.
10098 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
10099 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
10100 version for format checking to 4.1.
10101 (warning0, warning, error, pedwarn, sorry): Use
10102 ATTRIBUTE_GCC_DIAG.
10103 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
10104 (finish_aliases_1): Do not use %qE.
10105 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
10106 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
10107 Correct format bugs.
10108 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
10109 parameter to unsigned HOST_WIDE_INT.
10110 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
10112 2005-07-02 David Edelsohn <edelsohn@gnu.org>
10114 PR middle-end/21742
10115 * expr.c (write_complex_part): Use adjust_address for MEM.
10116 (read_complex_part): Same.
10118 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
10120 Fix PR tree-optimization/22280
10122 * tree-sra.c (generate_element_init): Remove useless loop.
10124 2005-07-02 Richard Henderson <rth@redhat.com>
10126 * config/alpha/alpha.c (alpha_legitimize_address): Check for
10128 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
10130 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
10132 PR middle-end/14490
10133 * fold-const.c (fold_binary): Handle the return value of
10134 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
10135 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
10137 2005-07-02 Jeff Law <law@redhat.com>
10139 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
10140 a eliminate type conversion which feeds an equality comparison
10141 if the original type or either operand in the comparison is a
10144 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
10146 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
10147 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
10149 * config/avr/avr.c: Do not use '`' as left quote.
10150 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
10151 Remove "." from end of diagnostics. Make diagnostics start with
10154 2005-07-02 Zack Weinberg <zack@codesourcery.com>
10155 Joseph S. Myers <joseph@codesourcery.com>
10157 * toplev.c (default_tree_printer): Handle setting location with
10159 * c-objc.common.c (c_tree_printer): Likewise.
10160 * c-format.c (gcc_diag_flag_specs): Add '+'.
10161 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
10162 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
10164 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
10165 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
10166 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
10167 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
10168 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
10169 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
10170 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
10171 format arguments where %J is used without %D.
10173 2005-07-02 Jakub Jelinek <jakub@redhat.com>
10175 * gcc.c (LINK_SSP_SPEC): Define.
10176 (link_ssp_spec): New variable.
10177 (LINK_COMMAND_SPEC): Add %(link_ssp).
10178 (static_specs): Add link_ssp_spec.
10179 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
10180 * configure: Rebuilt.
10181 * config.in: Rebuilt.
10183 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10184 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10185 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10186 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10187 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
10188 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
10189 -0x7008(2) instead of reading __stack_chk_guard variable.
10190 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
10192 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
10193 (stack_protect_set, stack_protect_test): Use *_tls* patterns
10194 if TARGET_THREAD_SSP_OFFSET is defined.
10195 (stack_tls_protect_set_si, stack_tls_protect_set_di,
10196 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
10199 2005-06-27 Richard Henderson <rth@redhat.com>
10200 * libgcc-std.ver (GCC_4.1.0): New.
10201 * libgcc.h (__stack_chk_guard): Declare.
10202 (__stack_chk_fail, __stack_chk_fail_local): Declare.
10203 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
10204 * mklibgcc.in (lib2funcs): Add them.
10206 2005-07-01 Richard Henderson <rth@redhat.com>
10208 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
10209 void * before struct sigcontext *.
10210 (x86_fallback_frame_state): Likewise.
10212 2005-07-01 James E. Wilson <wilson@specifixinc.com>
10214 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
10216 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
10219 * tree-ssa-reassoc.c (should_transpose): Fix which operand
10220 we check for SSA_NAME for.
10222 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
10224 Fix PR tree-optimization/22071
10226 * tree-ssa-structalias.c (offset_overlaps_with_access): New
10228 (get_constraint_for_component_ref): Use it.
10230 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
10233 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
10234 print out the last new line.
10236 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
10238 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
10239 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
10240 * config/cris/cris.c (cris_conditional_register_usage): Adjust
10241 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
10242 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
10243 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
10244 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
10245 (enum reg_class): New member CC0_REGS.
10246 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
10247 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
10248 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
10249 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
10250 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
10251 Adjust for register now described.
10253 2005-07-01 Jakub Jelinek <jakub@redhat.com>
10256 * config/i386/i386.md (stack_protect_test_si,
10257 stack_protect_test_di): Add earlyclobber for scratch 3.
10258 * config/rs6000/rs6000.md (stack_protect_testsi,
10259 stack_protect_testdi): Add earlyclobber for scratch 3,
10260 remove earlyclobber from scratch 4.
10262 Older entries for 2005 can be found in ChangeLog-2005.