1 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3 * gcc.c (execute): Improve readability.
5 2005-12-02 Richard Guenther <rguenther@suse.de>
7 * tree-cfg.c (mark_used_vars): New function.
8 (dump_function_to_file): Dump only used VAR_DECLs.
10 2005-12-02 Richard Guenther <rguenther@suse.de>
12 * convert.c (convert_to_integer): Fix compare for nonpositive
13 constant to use tree_int_cst_sgn <= 0.
15 2005-12-02 Richard Guenther <rguenther@suse.de>
17 * convert.c (convert_to_integer): Use fold_convert instead
18 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
19 instead of comparing against 0. Use build_int_cst instead
20 of converting integer_zero_node.
22 2005-12-02 Richard Guenther <rguenther@suse.de>
24 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
27 2005-12-02 Alan Modra <amodra@bigpond.net.au>
30 * combine.c (simplify_logical <IOR>): Simplify more patterns to
33 2005-12-02 Alan Modra <amodra@bigpond.net.au>
36 * function.c (expand_function_end): Emit blockage for unwinder
39 2005-12-01 Roger Sayle <roger@eyesopen.com>
41 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
42 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
43 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
44 integer constant comparisons.
46 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
47 Janis Johnson <janis187@us.ibm.com>
48 David Edelsohn <dje@watson.ibm.com>
49 Ben Elliston <bje@au.ibm.com>
51 * dfp.h, dfp.c: New files.
52 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
54 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
55 (INCLUDES): Append $(DECNUMINC).
56 (OBJS-common): Add dfp.o.
58 * real.h (EXP_BITS): Pinch one bit to ..
59 (struct real_value): Add decimal field.
60 (real_format): Change table size, update documentation.
61 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
62 (real_from_string3): Declare.
63 (decimal_single_format): Declare.
64 (decimal_double_format): Declare.
65 (decimal_quad_format): Declare.
66 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
67 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
68 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
69 * real.c: Include dfp.h.
70 (normalize): Early return for decimal floats.
71 (do_add): Zero decimal field.
72 (do_compare): Call do_decimal_compare for decimal floats.
73 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
74 (real_arithmetic): Call decimal_real_arithmetic for decimal
75 floating point operands.
76 (real_identical): If a and b are of differing radix, return false.
77 (real_to_integer): Call decimal_real_to_integer if the value is a
79 (real_to_integer2): Likewise, call decimal_real_to_integer2.
80 (real_to_decimal): Likewise, call decimal_real_to_decimal.
81 (real_to_hexadecimal): Place "N/A" in the return string for
83 (real_from_string3): New variant, given a mode.
84 (real_maxval): Use decimal_real_maxval for decimal floats.
85 (round_for_format): Use decimal_round_for_format for decimals.
86 (real_convert): Use decimal_real_convert where appropriate.
87 (significand_size): Handle base 10.
88 (encode_decimal_single, decode_decimal_single,
89 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
90 decode_decimal_quad): New functions.
91 (decimal_single_format): New.
92 (decimal_double_format): New.
93 (decimal_quad_format): New.
94 * machmode.def: Add SD, DD and TD decimal floating point modes.
95 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
96 Include MODE_DECIMAL_FLOAT.
97 (DECIMAL_FLOAT_MODE_P): New.
98 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
99 * genmodes.c (struct mode_data): Add counter field.
100 (struct mode_data): Update comment for format.
101 (blank_mode): Initialise counter field.
102 (new_mode): Increment counter field for each mode defined.
103 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
105 (make_complex_modes): Handle modes containing `D'.
106 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
107 (make_decimal_float_mode): New.
108 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
109 (cmp_modes): Compare counter field if other characteristics
111 (emit_real_format_for_mode): Support formats for decimal floats.
112 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
113 Document MODE_DECIMAL_FLOAT.
115 2005-12-02 Alan Modra <amodra@bigpond.net.au>
117 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
120 2005-12-01 Richard Henderson <rth@redhat.com>
122 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
124 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
126 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
128 * config/pa/pa.c (pa_init_builtins): If we detect
129 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
132 2005-12-01 Richard Guenther <rguenther@suse.de>
134 * fold-const.c (fold_binary): Use fold_build2, not
137 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
139 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
141 * vec.h (VEC_block_remove): New.
143 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
146 * c-common.c (lvalue_error): Fix wording.
148 2005-12-01 Richard Guenther <rguenther@suse.de>
150 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
151 thinko in last patch.
153 2005-12-01 Geoffrey Keating <geoffk@apple.com>
155 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
156 than -flat_namespace.
158 2005-12-01 Ben Elliston <bje@au.ibm.com>
160 * mklibgcc.in: Parameterise the script to build soft float
161 functions by iterating over each type, rather than cloning the
164 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
167 * builtins.c (fold_builtin_fputs): Defer check for missing
168 replacement functions.
170 2005-11-30 Kean Johnston <jkj@sco.com>
172 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
173 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
175 2005-11-30 Richard Guenther <rguenther@suse.de>
177 PR tree-optimization/22501
178 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
179 function split out from ...
180 (forward_propagate_addr_expr): ... here. Use it to propagate
181 ADDR_EXPRs to all uses.
183 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
185 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
186 * builtins.c (expand_builtin_mathfn): Use them.
187 (expand_builtin_mathfn_2): Likewise.
188 (expand_builtin_mathfn_3): Likewise.
189 (expand_builtin_int_roundingfn): Likewise.
190 (expand_builtin): Likewise.
191 (integer_valued_real_p): Likewise.
192 (fold_builtin_int_roundingfn): Likewise.
193 (fold_builtin_bitop): Likewise.
194 (fold_builtin_logarithm): Likewise.
195 (fold_builtin_1): Likewise.
196 * convert.c (convert_to_integer): Likewise.
197 * fold-const.c (negate_mathfn_p): Likewise.
198 (tree_expr_nonnegative_p): Likewise.
200 2005-11-30 Dale Johannesen <dalej@apple.com>
201 Andrew Pinski <pinskia@physics.uc.edu>
203 * combine.c (find_split_point): Sign extend bitmask
204 when changing bitfield assignment to IOR of AND.
206 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
208 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
209 clobber to scratch reg.
210 (*decrement_and_branch_until_zero_no_clobber): Remove.
211 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
212 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
213 * config/ms1/ms1.opt (mmul): Remove.
214 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
215 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
217 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
218 Bernd Schmidt <bernd.schmidt@analog.com>
220 * pa/predicates.md (symbolic_operand): Add comment.
221 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
222 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
223 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
224 (pa_secondary_reload_class): Delete.
225 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
226 and pa_secondary_reload_class. Reorder some checks. Update inline
227 copy of symbolic operand.
228 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
230 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
232 * loop-doloop.c (add_test): Only add jump notes if we did emit a
235 2005-11-30 Jeff Law <law@redhat.com>
237 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
238 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
240 2005-11-30 Jakub Jelinek <jakub@redhat.com>
242 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
243 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
244 (ia64_expand_move): Adjust caller.
246 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
247 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
250 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
252 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
253 Always produce an output if we can remove NEGs or canonicalize
254 (minus (minus ...)) expressions. Provide a fast path for the
256 (simplify_gen_binary): Do not call simplify_plus_minus.
257 (simplify_binary_operation_1): Reassociate at the end of the
260 2005-11-29 Evan Cheng <evan.cheng@apple.com>
262 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
263 moves and unpack to speed up.
265 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
267 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
268 argument, they are always sparc_compare_op0 and sparc_compare_op1.
269 (gen_v9_scc): Update callers.
270 * config/sparc/sparc.md: Likewise.
271 * config/sparc/sparc-protos.h: Update extern declaration.
273 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
275 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
277 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
280 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
282 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
283 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
286 2005-11-29 Ben Elliston <bje@au.ibm.com>
288 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
291 2005-11-29 Ben Elliston <bje@au.ibm.com>
293 * Makefile.in (clean-target): Depend on clean-target-libgcc.
294 (clean-target-libgcc): Import rule from the top-level Makefile.in.
296 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
300 * builtins.c (init_target_chars): New.
301 (expand_builtin_printf, expand_builtin_fprintf,
302 expand_builtin_sprintf, fold_builtin_sprintf,
303 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
304 fold_builtin_snprintf_chk, fold_builtin_printf,
305 fold_builtin_fprintf): Check for matching format strings using
308 2005-11-29 Paul Brook <paul@codesourcery.com>
310 * config.gcc: Do not use fixproto on m68k-elf.
312 2005-11-28 Roger Sayle <roger@eyesopen.com>
314 * expmed.c (div_cost): Replace with...
315 (sdiv_cost, udiv_cost): New.
316 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
317 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
318 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
319 (expand_divmod): Replace use of div_cost with either sdiv_cost
320 or udiv_cost depending upon the signedness of the operation.
322 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
325 * config/darwin.c (machopic_indirection_name,
326 machopic_output_indirection): Follow transparent alias chain.
328 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
330 * varasm.c (ultimate_transparent_alias_target): Add comment.
332 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
334 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
335 SET_SRC instead of XEXP where appropriate.
337 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
339 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
342 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
344 * config/fp-bit.h (LSHIFT): Take shift count parameter.
345 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
348 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
350 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
351 secondary_input_reload_class, made static. Adapt to new
353 (secondary_output_reload_class): Delete.
354 (TARGET_SECONDARY_RELOAD): New macro.
355 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
356 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
358 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
361 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
362 when its natural alignment is > BITS_PER_UNIT.
363 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
364 * c-common.c (handle_packed_attribute): Ignore packing on a field
365 whose type is naturally char aligned.
367 2005-11-28 Richard Guenther <rguenther@suse.de>
369 * c-common.c (strict_aliasing_warning): Handle all
370 component-ref like accesses.
372 2005-11-28 Roger Sayle <roger@eyesopen.com>
373 Uros Bizjak <uros@kss-loka.si>
376 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
377 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
378 when flag_unsafe_math_optimizations is set and
379 we don't care about NaNs or Infinities.
381 Move x/expN(y) and x/pow(y,z) transformation into common
382 flag_unsafe_math_optimizations section.
384 2005-11-27 Mark Mitchell <mark@codesourcery.com>
386 * gcc.c (main): Change type of argv to "char **".
388 2005-11-28 Alan Modra <amodra@bigpond.net.au>
390 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
392 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
393 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
394 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
395 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
396 output locals to sbss if !rs6000_elf_in_small_data_p.
397 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
399 2005-11-28 Alan Modra <amodra@bigpond.net.au>
402 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
404 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
405 indexed_or_indirect_address.
406 (indexed_or_indirect_address): Don't test for base reg. Call
407 address_operand last. Make it a special predicate.
409 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
411 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
413 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
416 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
418 (negate_expr): Likewise.
420 2005-11-27 Andreas Schwab <schwab@suse.de>
422 * config/m68k/m68k.c: Reindent and fix whitespace, remove
425 2005-11-27 Steven Bosscher <stevenb@suse.de>
427 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
428 has EH predecessor edges.
430 2005-11-26 Eric Christopher <echristo@apple.com>
432 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
433 register stalls by zero extending to the full register.
435 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
437 * config/floatunsisf.c, config/floatunsidf.c,
438 config/floatunsixf.c, config/floatunsitf.c: New files.
439 * config/ia64/t-hpux: Add floatunsitf.c.
440 * config/ia64/ia64.c (ia64_init_libfuncs): Use
441 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
443 2005-11-26 Richard Henderson <rth@redhat.com>
445 * c-lex.c (pragma_lex): Rename from c_lex.
446 * c-pch.c: Update for pragma_lex rename.
447 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
448 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
449 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
450 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
451 * doc/tm.texi: Likewise.
453 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
456 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
457 when overflow is undefined.
459 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
461 * doc/md.texi (Insn Canonicalizations): Refer to the
462 function commutative_operand_precedence for further rules.
464 2005-11-25 Roger Sayle <roger@eyesopen.com>
467 * expmed.c (choose_mult_variant): Return immediately when mult_cost
468 is less than zero. Limit mult_cost to a reasonable upper bound for
469 the synthetic multiplication sequence.
471 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
474 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
475 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
476 Lookup the explicit replacement functions for any unlocked
477 stdio builtin transformations.
479 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
481 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
483 * targhooks.c (default_secondary_reload): Don't require operand 2
484 for an input reload to be earlyclobber.
486 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
488 * fold-const.c (negate_mathfn_p): Fix comment and add support
489 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
492 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
495 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
496 _Q_ulltoq for unsigned conversions from SImode and DImode to
499 2005-11-25 Alan Modra <amodra@bigpond.net.au>
501 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
502 (__floatundidf, __floatundisf): Likewise.
504 2005-11-25 David Edelsohn <edelsohn@gnu.org>
506 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
507 (rs6000_override_options): Remove initialization of
509 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
510 (rs6000_emit_stack_tie): Same.
511 (emit_frame_save): Same.
512 (gen_frame_mem_offset): Same.
513 (rs6000_emit_prologue): Same.
514 (rs6000_emit_epilogue): Same.
516 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
519 * fold-const.c (fold_build): Convert bool_var != 1 and
520 bool_var == 0 to !bool_var.
522 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
525 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
526 for C being INTEGER_CST. Likewise for !=.
528 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
531 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
532 unsigned conversions from SImode to TFmode.
534 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
536 * expr.c (expand_expr_real_1): Fix error in last change.
538 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
540 * caller-save.c: (this_insn_sets): Move into:
541 (save_call_clobbered_regs).
542 (mark_set_regs): Get this_insn_sets from data.
544 (save_call_clobbered_regs): Take sets of the return value by
545 sibcalls into account.
547 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
550 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
551 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
552 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
553 (memory_move_secondary_cost, init_reg_autoinc): Remove
554 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
555 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
556 secondary_reload_class call.
557 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
559 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
560 (push_secondary_reload): Use secondary_reload target hook.
561 (secondary_reload_class, scratch_reload_class): New functions.
562 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
563 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
564 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
565 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
566 (secondary_reload_class, scratch_reload_class): Declare.
567 * reload1.c: Include target.h.
568 (reload_adjust_reg_for_temp): New function.
569 (reload_adjust_reg_for_icode): Likewise.
570 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
571 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
573 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
574 for inheritance. Support case when both secondary & tertiary reloads
575 are for intermediate registers.
576 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
577 with secondary_reload_class call. Support case when both secondary
578 & tertiary reloads are for intermediate registers.
579 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
580 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
581 * target.h (secondary_reload_info): New struct / typedef.
582 (struct gcc_target): New member secondary_reload.
583 * targhooks.c Include reload.h, optabs.h and recog.h.
584 (default_secondary_reload): New function.
585 * targhooks.h (default_secondary_reload): Declare.
586 * doc/tm.texi: Document secondary_reload target hook. Update
587 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
588 * doc/md.texi: Likewise.
590 * sh-protos.h (sh_secondary_reload): Declare.
591 * sh.c (TARGET_SECONDARY_RELOAD): Override.
592 (sh_secondary_reload): New function.
593 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
594 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
595 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
596 (HAVE_SECONDARY_RELOADS): Define.
597 * sh.md (reload_indf): Rename to:
599 (reload_outdf): Rename to:
600 (reload_outdf__RnFRm).
601 (reload_insf): Rename to:
603 (reload_insi): Rename to:
604 (reload_insi__i_fpul).
606 2005-11-24 Uros Bizjak <uros@kss-loka.si>
608 * configure.ac: Require at least texinfo 4.4.
609 * configure: Regenerate.
611 * doc/install.texi (Tools/packages necessary for building GCC):
612 Update required version of texinfo to at least 4.4.
613 (Installing GCC: Building): Update required version of texinfo
615 (Installing GCC: Final installation): Update required version
616 of texi2dvi to at least 4.4.
617 (Host/target specific installation notes for GCC): Update required
618 version of texinfo to at least 4.4.
620 2005-11-24 Richard Guenther <rguenther@suse.de>
621 Dirk Mueller <dmueller@suse.de>
624 * c-common.h (strict_aliasing_warning): Declare.
625 * c-common.c (strict_aliasing_warning): New function,
627 * c-typeck.c (build_c_cast): ... here.
629 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
631 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
633 (swap_commutative_operands_with_target): New.
635 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
637 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
638 also when doing PRE, rather than only for global CPROP.
640 2005-11-24 Ben Elliston <bje@au.ibm.com>
642 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
643 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
645 (expand_twoval_unop): Likewise.
646 (widen_clz): Likewise.
647 (expand_parity): Likewise.
648 (expand_unop): Likewise.
649 (emit_cmp_and_jmp_insn_1): Likewise.
650 (prepare_float_lib_cmp): Likewise.
652 2005-11-24 Ben Elliston <bje@au.ibm.com>
654 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
655 Remove unused `class' variable.
657 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
660 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
661 C/C++ diagnostic function warn_array_subscript_with_type_char.
662 * c-common.h (warn_array_subscript_with_type_char): Declare.
663 * c-common.c (warn_array_subscript_with_type_char): Define.
665 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
668 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
669 compiling at the intersection of C and C++.
671 2005-11-23 Mark Mitchell <mark@codesourcery.com>
673 * doc/invoke.texi: For man pages, include gcc-vers.texi.
674 List @file in the option summary. Include the libiberty
675 documentation for @file.
676 * gcc.c (main): Call expandargv.
677 * Makefile.in (gcc-vers.texi): Define srcdir.
679 2005-11-23 Diego Novillo <dnovillo@redhat.com>
681 * passes.c (init_optimization_passes): Document
682 sequencing of passes.
684 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
686 * config/m68k/predicates.md (pcrel_address, extend_operator,
687 post_inc_operand, pre_dec_operand): Remove redundant
689 (const_uint32_operand, const_sint32_operand): Use gcc_assert
691 (valid_dbcc_comparison_p): Rewrite in the lisp style.
693 2005-11-23 Ben Elliston <bje@au.ibm.com>
695 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
697 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
699 Preparatory work for PR target/21623:
700 * alpha.c (secondary_reload_class): Rename to:
701 (alpha_secondary_reload_class).
702 * alpha.h, alpha-protos.h: Likewise.
703 * mn10300.c (secondary_reload_class): Rename to:
704 (mn10300_secondary_reload_class).
705 * mn10300.h, mn10300-protos.h: Likewise.
706 * pa.c (secondary_reload_class): Rename to:
707 (pa_secondary_reload_class).
708 * pa.h, pa-protos.h: Likewise.
709 * rs6000.c (secondary_reload_class): Rename to:
710 rs6000_secondary_reload_class.
711 * rs6000.h, rs6000-protos.h: Likewise.
713 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
716 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
718 2005-11-22 Ian Lance Taylor <ian@airs.com>
720 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
722 (prepare_cmp_insn): Likewise.
724 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
727 * m68k.md (zero_extendsidi2): Force operands[1] to a register
728 if both operands[0] and operands[1] are memory.
730 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
733 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
734 COMPARISON_CLASS_P and an integral types create create a new
735 expression with the new type and fold that.
737 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
740 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
741 to SUBTARGET_OS_CPP_BUILTINS.
743 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
745 * arm.c (emit_set_insn): New function.
746 (arm_split_constant): Call it.
747 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
748 (arm_legitimize_address): Likewise. Use plus_constant.
749 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
750 (thumb_expand_prologue): Likewise.
751 (arm_gen_load_multiple): Use VOIDmode in SET.
752 (arm_gen_store_multiple): Likewise.
753 (vfp_emit_fstmx): Likewise. Use plus_constant.
754 (emit_multi_reg_push): Likewise.
755 (emit_sfm): Use plus_constant.
757 2005-11-23 Alan Modra <amodra@bigpond.net.au>
760 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
763 2005-11-22 Alan Modra <amodra@bigpond.net.au>
766 * expmed.c (store_bit_field): Don't attempt to insv a field
769 2005-11-22 Alan Modra <amodra@bigpond.net.au>
772 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
773 explicit sign extension, not a (char) cast.
775 2005-11-22 Ben Elliston <bje@au.ibm.com>
777 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
778 GET_MODE_CLASS (x) == MODE_FLOAT.
779 * config/i386/i386.c: Likewise.
780 * config/rs6000/xcoff.h: Likewise.
781 * config/rs6000/linux64.h: Likewise.
782 * config/rs6000/rs6000.c: Likewise.
783 * config/rs6000/rs6000.h: Likewise.
784 * config/rs6000/predicates.md: Likewise.
785 * config/rs6000/sysv4.h: Likewise.
787 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
789 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
792 * config/alpha/freebsd.h, config/alpha/linux.h,
793 config/arm/linux-elf.h, config/bfin/bfin.h,
794 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
795 config/i386/beos-elf.h, config/i386/gnu.h,
796 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
797 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
798 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
799 config/rs6000/linux64.h, config/rs6000/sysv4.h,
800 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
801 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
802 config/sparc/linux.h, config/sparc/linux64.h,
803 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
805 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
806 are both defined when either flag -fpic or -fPIC are used.
808 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
810 * config/fp-bit.c (clzusi): New function.
811 (si_to_float, usi_to_float): Use it to compute proper shift.
812 (usi_to_float): Preserve guard bits when shifting right.
813 * libgcc-std.ver (GCC_4.2.0): New version.
814 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
815 __floatundisf): New functions.
816 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
817 __floatundisf): Declare.
818 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
819 _floatundixf, and _floatunditf.
820 * optabs.c (expand_float): If target does not define a pattern for
821 signed or unsigned conversion, use an unsigned libcall instead of
823 (init_optabs): Initialize ufloat_optab.
825 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
827 * config/rs6000/rs6000.opt (mmulhw): New option.
828 * doc/invoke.texi (-mmulhw): Document.
829 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
831 * config/rs6000/rs6000.md: Add half-word multiply and
832 multiply-accumulate instructions for 405 and 440.
834 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
836 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
837 which matches behavior of gcc 4.0 and older for RTEMS targets. The
838 default now includes a linker group which makes the RTEMS one nest.
840 2005-11-22 Ben Elliston <bje@au.ibm.com>
842 * cse.c (fold_rtx): Typo fix.
843 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
845 2005-11-21 Richard Henderson <rth@redhat.com>
847 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
848 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
850 * c-tree.h (lookup_name): Move declaration ...
851 * c-common.h (lookup_name): ... here.
852 * config/darwin-c.c: Include c-common.h.
853 * config/t-darwin: Update dependencies.
855 2005-11-22 Ben Elliston <bje@au.ibm.com>
857 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
858 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
859 * genopinit.c (gen_insn): Likewise.
860 * reload.c (find_equiv_reg): Likewise.
861 * loop.c (load_mems): Likewise.
862 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
863 * cse.c (find_comparison_args, fold_rtx): Likewise.
864 * dwarf2out.c (add_const_value_attribute): Likewise.
865 * expr.c (convert_move): Likewise.
866 * recog.c (general_operand, register_operand): Likewise.
867 * reg-stack.c (replace_reg): Likewise.
868 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
869 * c-common.c (handle_vector_size_attribute): Likewise.
870 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
871 (simplify_binary_operation_1): Likewise.
872 (simplify_const_binary_operation): Likewise.
873 (simplify_relational_operation): Likewise.
874 (simplify_const_relational_operation): Likewise.
875 (simplify_immed_subreg): Likewise.
876 * emit-rtl.c (gen_lowpart_common): Likewise.
877 * expmed.c (expand_mult): Likewise.
878 * stor-layout.c (layout_type): Likewise.
880 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
883 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
884 cst2 only for SPE vectors.
886 2005-11-21 David Edelsohn <edelsohn@gnu.org>
889 * config/rs6000/predicates.md (vrsave_operation): Check
890 UNSPEC_VOLATILE value.
892 2005-11-21 Jan Hubicka <jh@suse.cz>
894 PR tree-optimization/24653
895 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
897 2005-11-21 Uros Bizjak <uros@kss-loka.si>
899 * config/i386/predicates.md (ax_reg_operand): New predicate.
900 (memory_displacement_only_operand): New predicate.
901 * config/i386/i386.md ("modrm" attribute): Return 0 if one
902 operand is AX register and the other operand is memory operand
903 with displacement only.
905 2005-11-21 Uros Bizjak <uros@kss-loka.si>
907 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
908 if we don't care about NaNs or Infinities.
910 2005-11-20 Ian Lance Taylor <ian@airs.com>
912 PR rtl-optimization/24883
913 * combine.c (combinable_i3pat): When checking whether the
914 destination of i3 is used in i3, consider paradoxical subregs.
916 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
919 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
921 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
923 * combine.c (try_combine): Do not run subst on i1src and i2src in
924 the case of generating a PARALLEL for a comparison.
926 2005-11-20 Richard Henderson <rth@redhat.com>
929 * tree-sra.c (struct sra_elt): Add all_no_warning.
930 (struct sra_walk_fns) <use>: Add use_all argument.
931 (sra_walk_expr): Pass it.
932 (sra_walk_modify_expr): Likewise.
933 (scalarize_ldst): Likewise.
934 (scan_use): Update for new argument.
935 (mark_no_warning): New.
936 (scalarize_use): Use it.
938 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
940 * expr.c (expand_expr_real): Use usmul_optab for widening
941 signed * unsigned multiplies.
942 * genopinit.c (optabs): Add usmul_widen_optab.
943 * optabs.c (init_optabs): Likewise.
944 * optabs.h (enum optab_index): Add OTI_usmul_widen.
945 (usmul_widen_optab): Define.
946 * config/bfin/bfin.md (usmulhisi3): New pattern.
948 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
950 2005-11-20 Graham Stott <btinternet.com>
952 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
954 2005-11-20 Andreas Schwab <schwab@suse.de>
957 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
960 2005-11-19 Richard Henderson <rth@redhat.com>
963 * tree-gimple.c (is_gimple_id): Export.
964 * tree-gimple.h (is_gimple_id): Declare.
965 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
966 (get_default_value): Use it.
967 (maybe_fold_stmt_indirect): Likewise.
969 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
971 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
972 than VR1 or vice-versa.
974 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
978 * reload.c (find_reloads_address_1): Mention dependency on
980 * reload1.c (gen_reload): For IN with an unary operation, try
981 moving inner expression to OUT if trivial SET is not valid.
982 Confirm that the result is valid. Move common code block into...
983 (emit_insn_if_valid_for_reload): New function.
985 2005-11-19 Richard Guenther <rguenther@suse.de>
987 * fold-const.c (fold_indirect_ref_1): Make sure we fold
988 ARRAY_REFs of constant strings.
990 2005-11-19 Jakub Jelinek <jakub@redhat.com>
992 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
995 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
997 * combine.c (make_compound_operation): Swap operands of
998 commutative operation if necessary before returning.
1000 2005-11-19 Richard Guenther <rguenther@suse.de>
1003 * fold-const.c (fold_plusminus_mult_expr): New function.
1004 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
1005 cases, remove now unnecessary code.
1007 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
1009 * gensupport.c (old_preds): Rename to std_preds, add special field.
1010 (struct old_pred_table): Rename to struct std_pred_table, add special
1012 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
1013 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
1014 (init_predicate_table): Adjust, and set along the way whether a
1015 predicate is special.
1017 2005-11-18 Mark Mitchell <mark@codesourcery.com>
1019 * BASE-VER: Change to 4.2.0.
1021 2005-11-18 James E Wilson <wilson@specifix.com>
1023 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
1026 2005-11-18 Mike Stump <mrs@apple.com>
1028 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
1029 * config/darwin-c.c (darwin_pragma_unused): Likewise.
1030 * c-decl.c (lookup_name_two) Remove.
1031 * c-tree.h (lookup_name_two): Remove.
1032 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
1033 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
1034 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
1035 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
1037 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
1040 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
1041 when not generating code to use that co-processor.
1043 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
1045 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
1046 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
1047 these functions are now in tree-phinodes.c.
1049 2005-11-18 Jie Zhang <jie.zhang@analog.com>
1051 * config/bfin/bfin.md (trap): New pattern.
1053 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1055 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
1058 * expr.c (expand_expr_real): Don't call record_block_change unless
1059 ib_boundaries_block is non-null
1061 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
1063 * fold-const.c (build_range_check): Use proper type for subtraction
1064 when merging lower bound.
1066 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
1068 PR rtl-optimization/24497
1069 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
1072 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
1074 * tree-scalar-evolution.c (expression_expensive_p): New function.
1075 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
1077 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
1079 * config/bfin/crtlibid.s: New file.
1081 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1084 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
1085 when not using sjlj exceptions.
1086 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
1087 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1088 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
1089 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
1090 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
1091 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
1092 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
1093 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
1094 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
1095 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
1096 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
1097 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
1098 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
1100 * config/pa/hpux-unwind.h: New file.
1102 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
1104 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
1105 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
1106 * varasm.c (do_assemble_alias): Adjust call.
1107 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
1109 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
1111 2005-11-17 James E Wilson <wilson@specifix.com>
1113 * tree.def (FUNCTION_DECL): Correct typo in comment.
1115 2005-11-17 Richard Henderson <rth@redhat.com>
1117 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
1118 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
1119 and DW_CFA_def_cfa_sf.
1120 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
1121 (dbx_reg_number): Don't assert particular registers here.
1122 (based_loc_descr): ... do it here instead. Fold in ...
1123 (eliminate_reg_to_offset): ... this function.
1124 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
1125 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
1126 * unwind-dw2.c (execute_cfa_program): Apply data align factor
1127 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
1128 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
1129 (instantiate_virtual_regs): Likewise.
1130 * var-tracking.c (adjust_stack_reference): Likewise.
1131 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
1133 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
1135 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
1136 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
1137 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
1139 ($(T)crtlibid.o): New rule.
1141 2005-11-16 Richard Guenther <rguenther@suse.de>
1144 * fold-const.c (extract_array_ref): Return byte offset
1146 (fold_binary): Fold &x[a] CMP &x[b] to
1147 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
1150 2005-11-16 Richard Henderson <rth@redhat.com>
1153 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
1154 parts of an SSA_NAME.
1156 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
1159 * arm.md (split for movsf with immediate): Restrict split to insns
1160 that set a general register.
1162 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1164 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
1166 * unwind-dw2.c (uw_advance_context): Likewise.
1167 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
1168 _Unwind_SjLj_Unregister.
1169 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
1171 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1173 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
1175 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1177 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
1178 langhook to get a DImode integer type.
1180 2005-11-16 Richard Henderson <rth@redhat.com>
1181 J"orn Rennecke <joern.rennecke@st.com>
1182 Ulrich Weigand <uweigand@de.ibm.com>
1186 * reload1.c (reg_equiv_invariant): New.
1187 (reload): Allocate, initialize, and free it.
1188 (calculate_needs_all_insns): Check it when skipping equivalence
1190 (alter_reg): Likewise.
1191 (eliminate_regs_1): Rename from eliminate_regs. Add new
1192 may_use_invariant argument; only use reg_equiv_invariant when true.
1193 (eliminate_regs): New.
1194 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
1195 a context for which may_use_invariant may be true.
1197 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1199 * fold-const.c (const_binop): Don't constant fold the operation
1200 if the result has overflowed and flag_trapping_math.
1201 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
1203 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1205 * config/arm/unwind-arm.c (abort): Add prototype here.
1206 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
1207 (struct phase1_vrs): Add prev_sp.
1208 (unwind_phase2_forced): Save the original core registers instead of
1209 modifying entry_vrs. Take a new flag argument for resuming unwinding
1210 and set action flags accordingly. Always set _US_END_OF_STACK when
1211 get_eit_entry fails. Unwind before calling the stop function.
1212 (_Unwind_GetCFA): New function.
1213 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
1214 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
1215 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
1216 just call unwind_phase2_forced.
1217 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
1218 * config/arm/unwind-arm.h (abort): Remove prototype.
1219 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
1221 (_Unwind_GetCFA): New prototype.
1222 * config/arm/pr-support.c (abort): Add prototype here.
1223 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
1225 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
1226 not schedule the prologue with non-call exceptions and EABI.
1228 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
1230 * config/arm/unwind-arm.h: Reorder interface function declarations.
1231 (_URC_END_OF_STACK): New enumeration value.
1232 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
1233 (struct _Unwind_Control_Block): Document reserved field use.
1234 (_Unwind_Stop_Fn): New typedef.
1235 (_Unwind_ForcedUnwind): Declare.
1236 (_Unwind_Resume_or_Rethrow): Declare.
1237 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
1239 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
1240 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
1241 (UCB_FORCED_STOP_ARG): New.
1242 (search_EIT_table): Update boundary condition checks.
1243 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
1244 (unwind_phase2): Replace for with do..while.
1245 (unwind_phase2_forced): New.
1246 (__gnu_Unwind_RaiseException): Replace for with do..while.
1247 (__gnu_Unwind_ForcedUnwind): New.
1248 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
1249 Use appropriate phase2 unwinder.
1250 (__gnu_Unwind_Resume_or_Rethrow): New.
1251 (__gnu_unwind_pr_common): Cope with forced unwinding.
1253 2005-11-16 David Edelsohn <edelsohn@gnu.org>
1256 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
1258 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
1259 roundsf2): Remove "s" from mnemonic.
1261 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
1263 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
1265 * config/bfin/crtn.s: Change epilogues to match.
1266 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
1267 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
1268 __PIC__ and __pic__.
1270 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
1273 * doc/invoke.texi: Distinguish between free and fixed form instead of
1274 Fortran and Fortran 90/95. Remove ratfor from the list of supported
1276 * gcc.c (default_compilers): Remove double entries, add entries for
1277 suffixes '.F90' and '.F95'.
1279 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1281 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
1282 in the stack probing loop.
1284 2005-11-15 David Edelsohn <edelsohn@gnu.org>
1286 * configure.ac: Use .machine power5 not power5x.
1287 * configure: Regenerate.
1289 2005-11-15 Mike Stump <mrs@apple.com>
1291 * c-decl.c (lookup_name_two): Add.
1292 * c-tree.h (lookup_name_two): Likewise.
1293 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
1294 * config/darwin-c.c (darwin_pragma_unused): Likewise.
1296 2005-11-16 Alan Modra <amodra@bigpond.net.au>
1298 PR rtl-optimization/23392
1299 * regrename.c (enum scan_actions) Add mark_access.
1300 (scan_actions_name): Ditto.
1301 (scan_rtx_reg): Handle mark_access.
1302 (scan_rtx_address): Do nothing for mark_access.
1303 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
1304 and regs in REG_INC notes before closing chains for dead regs.
1305 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
1306 opening chains for new writes.
1308 2005-11-15 David Edelsohn <edelsohn@gnu.org>
1310 * c.opt (ffixed-line-length-none): New.
1312 2005-11-15 Steve Ellcey <sje@cup.hp.com>
1314 * mklibgcc.in: Change contents of eh_dummy.c.
1316 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
1318 * loop.c (scan_loop): Do not insert temporaries for hard registers.
1320 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
1322 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
1324 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
1326 2005-11-15 Jan Hubicka <jh@suse.cz>
1328 * invoke.texi (large-unit-insns): Document.
1329 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
1330 * params.def (large-unit-insns): New param.
1332 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
1335 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
1336 special register for operand 3. Reindent constraints to align
1339 2005-11-14 David Edelsohn <edelsohn@gnu.org>
1341 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
1342 -mpopcntb, -mfprnd. Add -mcpu=power5+.
1343 * configure.ac: Add test for FP rounding instructions.
1344 * configure: Regenerate.
1345 * config.in: Regenerate.
1346 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1347 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
1349 * config/rs6000/rs6000.opt (mfprnd): New.
1350 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
1351 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
1352 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
1353 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
1354 (TARGET_FPRND): New.
1355 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
1357 (btrunc<mode>2): New.
1359 (floor<mode>2): New.
1360 (round<mode>2): New.
1362 2005-11-14 Geoffrey Keating <geoffk@apple.com>
1364 * gcc.c (version_compare_spec_function): Use fatal() rather than
1367 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
1368 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
1369 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
1371 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
1374 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
1375 on -mmacosx-version-min setting.
1377 2005-11-14 Diego Novillo <dnovillo@redhat.com>
1380 * tree-vrp.c (infer_value_range): Return false if STMT is a
1381 block terminator and its basic block has no successors.
1383 2005-11-14 Mike Stump <mrs@apple.com>
1385 * config/i386/i386.c (override_options): -masm=intel isn't
1386 supported on darwin.
1387 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1389 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
1391 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
1392 vfork after including auto-host.h.
1394 2005-11-15 Alan Modra <amodra@bigpond.net.au>
1396 PR rtl-optimization/22002
1397 * combine.c (distribute_notes): Detect cases where a reg dies
1398 two or more times in a bb, including on the insn we are combining,
1399 and place the death note on the correct range.
1401 2005-11-14 Dale Johannesen <dalej@apple.com>
1403 * expmed.c (store_bit_field): Add offset unconditionally for
1405 (extract_bit_field): Don't force extzv or extv operand into
1406 a register if field is too big.
1408 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1410 * config/arm/arm.c (pic_labelno): New.
1411 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
1412 LABEL_REF. Pass only the labelno to PIC insns.
1413 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1414 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
1415 * arm.md (UNSPEC_PIC_LABEL): New constant.
1416 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
1417 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
1418 Use the correct label prefix.
1420 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1422 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
1425 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
1427 * loop-invariant.c: Include tm_p.h.
1428 * Makefile.in: Updated.
1430 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1432 * pa.c (store_reg): Revise generation of frame notes in large frames.
1433 (set_reg_plus_d): Likewise.
1435 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
1437 PR tree-optimization/24709
1438 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
1441 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
1443 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
1444 and duplicate declaration of pthread_self.
1446 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
1447 Ian Lance Taylor <ian@airs.com>
1450 * calls.c (expand_call): If TARGET is a MEM and some part of the
1451 argument area has been saved, force TARGET to a register.
1453 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
1455 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
1458 2005-11-13 Jason Merrill <jason@redhat.com>
1461 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
1462 lazily declared methods.
1463 (force_decl_die): Stop if forcing out the context already make a
1465 (force_type_die): Likewise.
1467 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
1470 * builtins.c (integer_valued_real_p): Add break in
1471 REAL_CST having TREE_OVERFLOW set.
1473 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
1475 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
1476 addressing modes during calculation of costs.
1478 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
1480 * function.c (assign_stack_local_1): Restrict sanity check
1481 on frame size overflow to 32-bit and above platforms.
1483 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1485 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1486 * config/cris/cris.c: Include reload.h.
1487 (cris_initial_elimination_offset): New function.
1488 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
1491 2005-11-12 Richard Guenther <rguenther@suse.de>
1493 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
1495 2005-11-12 Jan Hubicka <jh@suse.cz>
1497 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
1498 to compare against 0 when possible.
1500 2005-11-12 Jie Zhang <jie.zhang@analog.com>
1502 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
1503 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1504 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
1505 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
1508 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1510 * recog.c (constrain_operands) <case 'g'>: For a match, require
1511 that a non-register matches general_operand when strict >= 0.
1513 2005-11-11 Steven Bosscher <stevenb@suse.de>
1515 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
1518 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1520 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
1521 (memory_address_same): New.
1522 (dse_optimize_stmt): Call memory_address_same.
1524 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1527 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
1528 ZERO_EXTEND>: New cases.
1530 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1532 * longlong.h (__clz_tab): Always provide.
1534 2005-11-11 Steven Bosscher <stevenb@suse.de>
1537 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
1539 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
1540 before check_maybe_invariant.
1541 (move_invariant_reg): Use gen_move_insn instead of replacing
1542 SET_DEST with the temporary for the invariant.
1543 (move_loop_invariants): If checking is enabled, do internal
1544 consistency checks after completing the pass.
1546 2005-11-11 David Edelsohn <edelsohn@gnu.org>
1549 * common.opt (Wvolatile-register-var): New.
1550 * varasm.c (make_decl_rtl): Only emit warning when option
1551 specified. Clarify warning message.
1552 * doc/invoke.texi (Wvolatile-register-var): Document new option.
1554 * doc/md.texi (copysign): Document standard named pattern.
1556 2005-11-11 Jie Zhang <jie.zhang@analog.com>
1558 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
1559 bytes when align is 2.
1560 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
1561 by the first instruction of the loop.
1563 2005-11-11 Jason Merrill <jason@redhat.com>
1566 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
1569 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1571 PR rtl-optimization/22509
1572 * local-alloc.c (memref_used_between_p): Check whether a function call
1573 could not reference the memref.
1575 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
1577 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
1578 algorithm so as to choose the best, not the worst, alternative.
1579 Reset accumulated register class before processing next alternative.
1581 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
1584 * calls.c (expand_call): Copy a return value to a plain register
1587 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
1590 * varasm.c (assemble_name): Recompute name only for transparent
1593 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
1595 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
1597 2005-11-04 Jeff Law <law@redhat.com>
1600 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
1601 perform reassociation if the parent statement will not die as
1602 a result of the optimization.
1604 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
1606 * tree-ssa-alias.c (compute_may_aliases): Remove call to
1607 delete_old_heap_vars.
1608 * tree-dfa.c (referenced_var_remove): Remove function.
1609 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
1610 (delete_tree_ssa): Remove call to delete_old_heapvars.
1611 Add call to delete_alias_heapvars.
1612 * tree-flow.h (referenced_var_remove): Remove prototype
1613 (init_alias_heapvars): New prototype.
1614 (delete_alias_heapvars): Ditto.
1615 * Makefile.in (tree-ssa-structalias.o): Add
1616 gt-tree-ssa-structalias.o
1617 (GTFILES): Add tree-ssa-structalias.h and
1618 tree-ssa-structalias.c.
1619 (s-gtype): Add gt-tree-ssa-structalias.h.
1620 * tree-ssa-structalias.c (heapvars): Remove.
1621 (oldheapvars): Remove.
1622 (heapvar_for_stmt): New variable.
1623 (heapvar_lookup): New function.
1624 (heapvar_insert): Ditto.
1625 (get_constraint_for): See if we have an old heapvar
1627 (init_alias_heapvars): New function.
1628 (delete_alias_heapvars): Ditto.
1629 Add include of gt-tree-ssa-structalias.h.
1631 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1634 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
1636 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
1638 * tree.c (int_fits_type_p): Only look at the base type
1639 if it has the same precision as the original type.
1641 2005-11-10 Jakub Jelinek <jakub@redhat.com>
1644 * varasm.c (assemble_alias): Use %q+D in the error
1645 message instead of %J and %qD.
1647 2005-11-10 Richard Guenther <rguenther@suse.de>
1649 * gcse.c (free_ldst_entry): Only free hashtable if
1652 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1654 * function.c (assign_stack_local_1): Issue an error message if
1655 the frame size overflows in the signed target arithmetics.
1657 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1659 * tree.c (build_qualified_type): Chain the new type to the original
1660 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1661 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1662 (build_pointer_type_for_mode): Only return unqualified types.
1663 (build_reference_type_for_mode): Likewise.
1665 2005-11-09 Jakub Jelinek <jakub@redhat.com>
1667 * Makefile.in (gnucompare): Do comparison of all files using one of
1668 the chosen methods and only afterwards decide if just warning should
1669 be issued or comparison failure raised.
1671 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1673 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
1674 (noce_try_abs): Negate if the comparison is reversed.
1675 Look only one instruction backwards for a REG_EQUAL note.
1677 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1680 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
1681 gthr-tpf.h: Define __gthrw. For all identifiers that might
1682 be weak, introduce weakrefs or non-weak aliases with __gthrw,
1683 and prefix all uses with __ghtrw.
1685 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1688 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
1689 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
1690 * c-common.c (handle_weakref_attribute): New.
1691 (c_common_attribute_table): Add weakref.
1692 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
1694 * configure, config.in: Rebuilt.
1695 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
1696 * doc/extend.texi: Document weakref attribute.
1697 * varasm.c (ultimate_transparent_alias_target): New
1698 (assemble_name): Use it.
1699 (weak_finish_1): Split out of...
1700 (weak_finish): ... and deal with weakrefs in...
1701 (weakref_targets): ... new list.
1702 (globalize_decl): Clean up weakref_targets.
1703 (do_assemble_alias): Handle weakrefs.
1704 (finish_aliases_1): Do not reject weakrefs to external symbols.
1705 (assemble_alias): Handle weakrefs.
1707 2005-11-09 Richard Guenther <rguenther@suse.de>
1709 PR tree-optimization/24716
1710 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
1711 t_bool to track results from follow_ssa_edge.
1713 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1715 * final.c (force_source_line): New global variable.
1716 (final_scan_insn): Set it to true instead of clearing last_filename.
1717 (notice_source_line): Return true if force_source_line is true,
1718 unless source info is absent.
1720 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
1723 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
1724 a linkage name for a variable if it a register variable.
1725 * c-decl.c (grokdeclarator): Global register variables
1726 should be set as PUBLIC.
1728 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1731 * config/s390/s390.c (struct s390_frame_layout): New fields
1732 first_save_gpr_slot and last_save_gpr_slot.
1733 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
1734 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
1735 first_save_gpr and last_save_gpr with the _slot variants.
1736 (s390_register_info): Calculate first_save_gpr_slot and
1737 last_save_gpr_slot using regs_ever_live.
1739 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1742 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
1743 for a function containing a landing pad.
1745 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1748 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
1751 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
1753 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
1754 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
1756 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
1759 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
1761 (call,load,store): New insn types.
1762 (mem_access, branch_access): Adjust reservation conditions.
1763 (define_delay): Adjust condition.
1764 (decrement_and_branch_until_zero): Allow for ms2. Set branch
1766 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
1767 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
1769 (call_internal, call_value_internal, return_internal,
1770 return_interrupt_internal, eh_return_internal, indirect_jump,
1771 tablejump): Set call insn type.
1772 (blockage, ei, di): Use appropriate unspec const.
1773 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
1774 (ms1_get_attr_type): Adjust to give load & store types.
1775 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
1776 backwards past a barrier.
1777 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
1779 (struct branch_info, struct label_info): New.
1781 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
1782 (ms1_machine_reorg): New.
1783 (TARGET_MACHINE_DEPENDENT_REORG): Override.
1784 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
1785 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
1786 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
1789 2005-11-09 Per Bothner <per@bothner.com>
1790 Uros Bizjak <uros@kss-loka.si>
1793 * toplev.c (process_options): Initialize debug_hooks early
1794 in case lang_hooks.post_options ends up calling a debug_hook.
1796 2005-11-08 Jakub Jelinek <jakub@redhat.com>
1798 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
1799 DBX_REGISTER_NUMBER being contiguous.
1801 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
1802 Diego Novillo <dnovillo@redhat.com>
1805 * tree-vrp.c (register_edge_assert_for): Do not register
1806 always-false predicates.
1808 2005-11-08 Devang Patel <dpatel@apple.com>
1810 PR tree-optimization/23115
1811 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
1814 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
1816 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
1819 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
1821 Fix PR tree-optimization/23382
1823 * tree-ssa-alias.c (compute_may_aliases): Call
1824 delete_old_heap_vars.
1825 * tree-dfa.c (referenced_var_remove): New function.
1826 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
1827 * tree-flow.h (referenced_var_remove): Add prototype.
1828 (delete_old_heap_vars): Ditto.
1829 * tree-ssa-structalias.c (heapvars): New variable.
1830 (oldheapvars): Ditto.
1831 (get_constraint_for): Put heap vars on heapvars list.
1832 (delete_old_heap_vars): New function.
1834 2005-11-08 Jason Merrill <jason@redhat.com>
1836 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
1838 2005-11-08 Uros Bizjak <uros@kss-loka.si>
1841 * reg-stack.c (reg_to_stack): Update register liveness also
1842 for flag_sched2_use_traces.
1844 2005-11-08 Alan Modra <amodra@bigpond.net.au>
1847 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
1848 override prior explicit -mno-powerpc-gfxopt.
1850 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
1852 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
1853 if the bitsize is zero.
1854 * doc/md.texi (Standard Pattern Names): Document it.
1856 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
1857 (TARGET_PASS_BY_REFERENCE): Likewise.
1859 2005-11-07 Ian Lance Taylor <ian@airs.com>
1861 PR rtl-optimization/24683
1862 * config/i386/i386.c (legitimize_pic_address): If constant operand
1863 to PLUS is too large, put it in a register.
1865 2005-11-07 Jie Zhang <jie.zhang@analog.com>
1867 * configure.ac: Enable checking assembler dwarf2 support for bfin
1869 * configure: Regenerate.
1871 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1875 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
1876 gen_easy_vector_constant_add_self): Delete.
1877 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
1879 (output_vec_const_move): Use gen_easy_altivec_constant.
1880 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
1881 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
1882 (easy_vector_constant_add_self): Rewritten.
1883 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
1884 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
1885 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
1886 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
1887 Macroize and adjust for the other changes.
1889 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1893 * c-typeck.c (build_c_cast): Try using a shared constant, and see
1894 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
1896 2005-11-07 Jakub Jelinek <jakub@redhat.com>
1898 PR rtl-optimization/23567
1899 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
1900 (noce_process_if_block): Don't do any optimizations except
1901 if (cond) x = x; if !set_b and write into orig_x may trap
1902 or fault. Remove the MEM_READONLY_P check.
1904 2005-11-06 Diego Novillo <dnovillo@redhat.com>
1907 * tree-vrp.c (fix_equivalence_set): New.
1908 (extract_range_from_assert): Call it.
1910 2005-11-05 Ian Lance Taylor <ian@airs.com>
1913 * combine.c (apply_distributive_law): Don't distribute across a
1916 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
1918 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
1919 config/ms1/ms1.h, config/rs6000/predicates.md,
1920 config/s390/s390.c, params.def, postreload-gcse.c,
1921 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
1922 tree-vrp.c, tree.c: Fix comment typos.
1923 * doc/invoke.texi: Fix typos.
1925 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
1927 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
1928 for testing whether the data_dependence_relation contains distance
1929 vectors. Iterate over all distance vectors of the ddr.
1930 * lambda.h: Define a vec of lambda_vector pointers.
1931 * tree-data-ref.c (dump_data_dependence_relation,
1932 dump_data_dependence_direction): Iterate over all distance and
1933 direction vectors of the ddr.
1934 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
1936 (build_classic_dist_vector, build_classic_dir_vector): Push a set
1937 of distance/direction vectors instead of a single one.
1938 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
1939 lambda_vectors with a vec of lambda_vectors.
1940 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
1941 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
1942 DDR_NUM_DIST_VECTS): New.
1943 * tree-loop-linear.c (gather_interchange_stats): Test for the
1944 existence of distance vectors only after having checked that there
1945 is a dependence. Iterate over all distance vectors of the ddr.
1946 (linear_transform_loops): Use dump_data_dependence_relation.
1947 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
1948 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
1949 distance vectors of the ddr.
1951 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
1953 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
1954 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
1955 IS_INTHANDLER; all callers changed.
1956 (n_regs_saved_by_prologue): Take interrupt handler attributes into
1958 (do_link, do_unlink): New argument ALL; all callers changed.
1959 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
1960 If function isn't leaf, save and restore all registers.
1961 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
1964 2005-11-05 Jan Hubicka <jh@suse.cz>
1966 PR rtl-optimization/23490
1967 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
1968 max-flow-memory-location): Document.
1969 * flow.c: Include params.h
1970 (MAX_MEM_SET_LIST_LEN): Kill.
1971 (add_to_mem_set_list): Use new param.
1972 * cse.c (cse_basic_block): Replace 1000 by new param.
1973 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
1974 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
1975 * predict.c (predict_loops): Use new param.
1976 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
1978 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
1979 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
1980 Do not hold memory returned by cgraph_node_name across other call.
1982 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
1985 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
1988 2005-11-04 Jeff Law <law@redhat.com>
1991 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
1992 * tree-ssa-dom.c: Include params.h.
1993 (thread_across_edge): If there are too many statements in the
1994 target block, then do not thread through it.
1995 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
1996 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
1998 2005-11-03 Diego Novillo <dnovillo@redhat.com>
2001 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
2002 TODO_update_ssa instead of TODO_update_ssa_no_phi.
2004 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
2007 * tree-scalar-evolution.c (instantiate_parameters_1,
2008 instantiate_parameters, resolve_mixers): Compute the size of an
2009 expression to be instantiated and give up the instantiation if the
2010 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2012 2005-11-04 Richard Guenther <rguenther@suse.de>
2014 * tree-flow.h (ref_contains_indirect_ref): Rename to
2015 array_ref_contains_indirect_ref.
2016 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
2017 (array_ref_contains_indirect_ref): Make comment match the code
2019 (ref_contains_array_ref): Likewise.
2020 * tree-ssa-structalias.c (find_func_aliases): Remove call to
2021 ref_contains_indirect_ref.
2022 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2023 Rename calls to ref_contains_indirect_ref.
2025 2005-11-04 Paul Brook <paul@codesourcery.com>
2027 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
2028 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
2029 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2030 * config/arm/arm.md: Use match_operand in peephole input templates
2031 and match_dup in peephole output templates.
2033 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2035 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
2038 2005-11-04 Mark Mitchell <mark@codesourcery.com>
2039 Daniel Jacobowitz <dan@codesourcery.com>
2041 * longlong.h (add_ssaaaa): Clobber condition code register
2043 (sub_ddmmss): Likewise.
2044 (umul_ppmm): Likewise.
2046 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2047 Paul Brook <paul@codesourcery.com>
2048 Phil Blundell <pb@reciva.com>
2050 * configure.ac: Add test for ARM TLS support.
2051 * configure: Regenerated.
2052 * config/arm/arm-protos.h (legitimize_tls_address)
2053 (arm_tls_referenced_p, tls_mentioned_p)
2054 (arm_output_addr_const_extra): New prototypes.
2055 (thumb_legitimize_pic_address): Delete.
2056 * config/arm/arm.c: Include "gt-arm.h".
2057 (enum tls_reloc): New.
2058 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
2059 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
2060 (arm_call_tls_get_addr, legitimize_tls_address)
2061 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
2062 (arm_init_tls_builtins, arm_emit_tls_decoration)
2063 (arm_output_addr_const_extra): New functions.
2064 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
2065 (TARGET_HAVE_TLS): Define.
2066 (target_thread_pointer): New.
2067 (arm_override_options): Handle -mtp=.
2068 (legitimize_pic_address): Ignore UNSPECs.
2069 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
2071 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
2072 (tls_get_addr_libfunc): New variable.
2073 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
2074 (arm_init_builtins): Call arm_init_tls_builtins.
2075 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
2076 (arm_encode_section_info): Call default_encode_section_info.
2077 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
2078 (enum arm_tp_type): New.
2079 (target_thread_pointer): Add declaration.
2080 (LEGITIMATE_CONSTANT_P): Handle TLS.
2081 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
2082 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
2083 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
2084 * config/arm/arm.md: Add UNSPEC_TLS.
2085 (movsi): Handle TLS.
2086 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
2088 (tls_load_dot_plus_eight): New insn and a peephole to create it.
2089 (load_tp_hard, load_tp_soft): New insns.
2090 * arm.opt: Add -mtp=.
2091 * doc/invoke.texi (ARM Options): Document -mtp.
2093 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2095 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
2096 * config/arm/libunwind.S: Include "lib1funcs.asm".
2097 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
2098 (LIB2ADDEH): Add libunwind.S.
2099 (LIB2ADDEHDEP): Add lib1funcs.asm.
2100 * mklibgcc.in: Handle asm files in libgcc_eh.a.
2102 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2105 * gcc/c.opt: Add a -lang-fortran option.
2106 * gcc/c-opts.c: Add a lang_fortran flag.
2107 (c_common_init_options): Handling the -lang-fortran option.
2108 (c_common_handle_option): Add a case for Fortran options in
2109 preprocessing. Remove cases for -ffixed-form and
2110 -ffixed-line-length. Add a case for -lang-fortran.
2112 2005-11-03 David Edelsohn <edelsohn@gnu.org>
2114 * config/rs6000/rs6000.c: Include params.h
2115 (optimization_options): Set max-grow-copy-bb-insns default to 16.
2116 (bdesc_2arg): Delete vpkuhss and vpkuwss.
2117 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
2118 (UNSPEC_VPKUWSS): Delete.
2119 (altivec_vpkuhss): Delete.
2120 (altivec_vpkuwss): Delete.
2121 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
2123 (neg_eq0<mode>): Remove final condition.
2124 (neg_eq<mode>): Remove condition and split-condition.
2126 2005-11-04 Alan Modra <amodra@bigpond.net.au>
2128 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
2129 Use associated print macros.
2131 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
2134 * diagnostic.c (diagnostic_set_info_translated): New function.
2135 (diagnostic_set_info): Use it. Add comment.
2136 * diagnostic.h (diagnostic_set_info_translated): Declare.
2138 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
2140 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
2141 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
2142 reference only if 'public' is true.
2143 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
2144 emit the .hidden directive only if the indirect reference is public.
2145 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
2146 Pass it to dw2_force_const_mem.
2147 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
2148 * dwarf2out.c (output_cfi): Adjust calls to above function.
2149 (output_call_frame_info): Likewise.
2150 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
2151 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
2153 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
2155 PR tree-optimization/24483
2156 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
2157 field to elts if possible.
2159 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
2162 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
2165 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
2167 Fix PR tree-optimization/24351
2169 * tree-ssa-structalias.c (struct variable_info): Add
2171 (get_varinfo_fc): New function to follow collapsing.
2172 (new_var_info): Set collapsed_to to NULL.
2173 (dump_constraint): Follow collapsing.
2174 (build_constraint_graph): Handle collapsing.
2175 (do_simple_structure_copy): Return false if something bad
2177 (collapse_rest_of_var): New function.
2178 (do_structure_copy): Collapse if do_simple_structure_copy returns
2181 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
2184 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
2185 expressions to a statement list instead of gimplifying them.
2187 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2189 PR rtl-optimization/23585
2190 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
2191 that can't trap plus a constant integer, if the mode has zero size.
2193 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
2196 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
2198 ("*insv<mode>_reg_extimm"): Likewise.
2200 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
2203 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
2204 c_common_type_for_mode returns an unnamed type.
2206 2005-11-02 Richard Henderson <rth@redhat.com>
2210 * dwarf2out.c (dwarf2out_reg_save_reg): New.
2211 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
2212 * function.c (assign_parms): Use calls.internal_arg_pointer.
2213 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
2215 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
2216 (TARGET_CALLS): Add it.
2217 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
2218 * targhooks.c (default_internal_arg_pointer): New.
2219 * targhooks.h (default_internal_arg_pointer): Declare.
2220 * tree.h (dwarf2out_reg_save_reg): Declare.
2221 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
2222 * config/i386/i386.c (dbx_register_map): Add return column.
2223 (dbx64_register_map, svr4_dbx_register_map): Likewise.
2224 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
2225 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
2226 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
2227 (ix86_save_reg): Save force_align_arg_pointer.
2228 (ix86_emit_save_regs): Make regno unsigned.
2229 (ix86_emit_save_regs_using_mov): Likewise.
2230 (ix86_expand_prologue): Handle force_align_arg_pointer.
2231 (ix86_expand_epilogue): Likewise.
2232 * config/i386/i386.h: (dbx_register_map): Update.
2233 (dbx64_register_map, svr4_dbx_register_map): Update.
2234 (struct machine_function): Add force_align_arg_pointer.
2235 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
2236 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
2237 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
2239 2005-11-02 Jan Hubicka <jh@suse.cz>
2242 * i386.md: Add peep2 for simplyfing array accesses.
2244 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
2247 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
2248 * config/s390/s390.c (s390_decompose_shift_count): New function.
2249 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
2250 (print_shift_count_operand): Use s390_decompose_shift_count.
2251 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
2252 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
2254 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
2257 * loop.c (loop_givs_rescan): Use force_operand to expand
2260 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
2263 * fold-const.c (build_range_check): Use unsigned when signed
2264 overflow is undefined also. If etype is subtype, make sure that
2265 the subtraction is in the supertype.
2267 2005-11-02 Richard Henderson <rth@redhat.com>
2270 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
2273 2005-11-01 Richard Henderson <rth@redhat.com>
2276 * loop.c (scan_loop): Do not propagate computations to a hard
2277 register destination with SMALL_REGISTER_CLASSES.
2279 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
2281 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
2282 costs for MULT inside PLUS or MINUS.
2284 2005-11-01 Bob Wilson <bob.wilson@acm.org>
2286 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
2287 (TRAMPOLINE_SIZE): Round up to 60.
2288 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
2290 2005-10-31 James E. Wilson <wilson@specifix.com>
2293 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
2294 ifdef. Put ifdefs around call in gen_subprogram_die.
2295 (compute_frame_pointer_to_cfa_displacement): Likewise.
2296 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
2299 PR rtl-optimization/17356
2300 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
2301 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
2303 2005-10-31 Jan Hubicka <jh@suse.cz>
2306 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
2309 * i386.c (legitimize_pic_address): Deal with large immediates.
2312 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
2313 from symbol names while computing checkup.
2316 * predict.c (predict_loops): Do not estimate more than
2317 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
2318 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
2320 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
2322 PR tree-optimization/19097
2323 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
2325 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
2327 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
2329 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
2332 * tree-inline.c (setup_one_parameter): If the init_stmt
2333 is NULL, don't insert the statement.
2335 2005-10-30 Jan Hubicka <jh@suse.cz>
2337 PR tree-optimization/24172
2338 * tree-inline.c (copy_body_r): Unshare the substituted value first.
2340 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
2342 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
2343 constants for hosts with long != 32 bits.
2345 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
2348 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
2350 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
2352 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
2353 (TARGET_MS1_16_002): New.
2354 (TARGET_MS1_16_003): New.
2356 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
2357 ("*decrement_and_branch_until_zero_no_clobber"): New.
2358 Add corresponding splitter for decrement_and_branch_until_zero
2360 Key all decrement_and_branch_until_zero patterns off of
2363 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
2366 * tree-complex.c (extract_component): Treat RESULT_DECL
2367 like the rest of the decls.
2369 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
2371 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
2372 indirect call to _mcount if the function needs a static chain.
2374 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
2375 Caroline Tice <ctice@apple.com>
2377 PR rtl-optimization/24460
2378 * dwarf2out.c (have_switched_text_sections): New boolean variable.
2379 (dwarf2out_switch_text_section): Set it to true instead of
2380 incrementing separate_line_info_table_in_use.
2381 (output_loc_list): Additionally test have_switched_text_sections.
2382 (output_ranges): Likewise.
2383 (dwarf2out_finish): Likewise.
2384 * varasm.c (assemble_start_function): Do not call
2385 insert_section_boundary_note.
2386 (assemble_end_function): If flag_reorder_blocks_and_partition,
2387 switch to the function's section before emitting the .size directive.
2388 * bb-reorder.c (insert_section_boundary_note): Staticify.
2389 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
2390 * output.h (insert_section_boundary_note): Delete.
2392 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
2395 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
2396 instead of pointer equality when comparing types.
2398 2005-10-24 James E. Wilson <wilson@specifix.com>
2400 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
2401 add_dependence_list_and_free calls.
2403 2005-10-24 Steven Bosscher <stevenb@suse.de>
2405 * contrib.texi: Add the names of the LLNL folks who donated
2406 Cray pointer support for gfortran.
2408 2005-10-24 Steven Bosscher <stevenb@suse.de>
2410 PR tree-optimization/24225
2411 * profile.c (branch_prob): Look from end to start through a
2412 basic block when looking for a locus.
2414 2005-10-24 Richard Henderson <rth@redhat.com>
2416 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
2418 (hppa_expand_prologue): Likewise.
2420 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2422 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
2423 (NO_DEFERRED_PROFILE_COUNTERS): Define.
2424 * pa.h (NO_PROFILE_COUNTERS): Define.
2425 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
2426 (funcdef_nos): New vector to hold label numbers of deferred profile
2428 (output_deferred_profile_counters): New function.
2429 (hppa_profile_hook): Push label number onto funcdef_nos.
2430 (pa_hpux_file_end): Call output_deferred_profile_counters if
2431 NO_DEFERRED_PROFILE_COUNTERS is false.
2433 * pa-protos.h (get_deferred_plabel): New prototype.
2434 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
2436 (output_call): Adjust calls.
2438 2005-10-24 Alan Modra <amodra@bigpond.net.au>
2440 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
2441 peculiarity of GOT/TOC section usage.
2443 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
2446 * c-common.c (constant_string_class_name): Add documentation.
2448 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
2451 * recog.c (peephole2_optimize): Increment peep2_current_count
2452 only when the slot is empty.
2454 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2457 * except.c (output_function_exception_table): Call
2458 assemble_external_libcall if we need a personality function.
2460 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2462 PR rtl-optimization/24460
2463 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
2464 set the basic block for barriers.
2466 2005-10-21 Janis Johnson <janis187@us.ibm.com>
2468 * var-tracking.c (vt_initialize): Initialize post.
2470 2005-10-21 Devang Patel <dpatel@apple.com>
2473 * c-common.c (vector_types_convertible_p): Check vector element type.
2475 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
2477 * config/sh/sh.c (prepare_move_operands): Handle the address
2478 constant which is a tls symbolic address plus a constant.
2480 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
2483 * gcc.c (main): Use the correct counter for erroring out
2484 about mulitple files.
2486 2005-10-21 Alan Modra <amodra@bigpond.net.au>
2489 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
2490 use r2 for 64-bit tls .got access.
2492 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
2494 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
2497 2005-10-20 Steven Bosscher <stevenb@suse.de>
2499 PR tree-optimization/24307
2500 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
2502 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
2505 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
2507 * varasm.c (find_decl_and_mark_needed): After cgraph global info
2508 is ready, stop marking functions, but still mark variables.
2510 2005-10-20 Richard Guenther <rguenther@suse.de>
2513 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
2516 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
2518 PR rtl-optimization/23585
2519 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
2520 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
2521 (may_trap_p_1): New predicate extracted from...
2522 (may_trap_p): ... here. Invoke may_trap_p_1.
2523 (may_trap_or_fault_p): New predicate.
2524 * rtl.h (may_trap_or_fault_p): Declare it.
2525 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
2526 instead of may_trap_p.
2527 (steal_delay_list_from_fallthrough): Likewise.
2528 (fill_simple_delay_slots): Likewise.
2529 (fill_slots_from_thread): Likewise.
2530 * function.c (pad_to_arg_alignment): Rework comment about
2531 SPARC_STACK_BOUNDARY_HACK.
2532 * config/sparc/sparc.h: Likewise.
2534 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
2536 * config/s390/s390.c (s390_expand_insv): New.
2537 * config/s390/s390-protos.h (s390_expand_insv): Declare.
2538 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
2539 ("icm_hi"): Remove mode attribute.
2540 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
2542 ("*extracthi", "*extractqi"): Remove.
2543 (extv<mode>", "*extzv<mode>"): New.
2544 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
2545 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
2547 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2549 * cfgexpand.c (discover_nonconstant_array_refs_r,
2550 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
2551 (tree_expand_cfg): Call discover_nonconstant_array_refs.
2552 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2553 discover_nonconstant_array_refs.
2555 2005-10-19 Steven Bosscher <stevenb@suse.de>
2558 * c-decl.c (pop_scope): Don't warn about an unused variable
2559 if it is marked with TREE_NO_WARNING.
2560 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
2561 somenow mismatch and olddecl is to be replaced.
2563 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
2566 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
2567 whether registers live on the edge can be saved/restored.
2569 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
2571 * config/sh/sh.c (fixup_mova): Skip notes.
2573 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2575 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
2576 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
2577 (s390_can_eliminate): Handle BASE_REGNUM elimination.
2578 (s390_initial_elimination_offset): Likewise.
2579 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
2580 register on TARGET_ZARCH targets.
2581 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
2582 (INITIAL_FRAME_POINTER_OFFSET): Remove.
2583 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
2584 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
2586 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2588 * config/s390/s390.md: Comment describing output modifiers updated.
2589 * config/s390/s390.c (print_operand): Likewise.
2591 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2593 * config/s390/s390.c (override_options): Added check for -mstack-size
2595 * doc/invoke.texi: Mention that limit in the documenation.
2597 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
2600 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
2602 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
2604 Fix PR tree-optimization/24231
2606 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
2607 (compute_avail): Ditto.
2609 2005-10-18 Richard Henderson <rth@redhat.com>
2612 * config/i386/i386.c (legitimate_constant_p): Check
2613 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
2615 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
2616 (legitimate_pic_address_disp_p): Reorg CONST checking to make
2617 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
2619 (print_operand_address): Likewise.
2620 * config/i386/predicates.md (x86_64_immediate_operand): Test
2621 SYMBOL_REF_TLS_MODEL properly inside CONST.
2622 (x86_64_zext_immediate_operand): Likewise.
2623 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
2624 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
2625 * config/i386/i386-protos.h: Remove predicates.md entries.
2627 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
2629 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2630 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
2632 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
2633 Ian Lance Taylor <ian@airs.com>
2636 * fold-const.c (fold_widened_comparison): Do not allow range based
2637 constant folding when right operand cannot be unwidened.
2639 2005-10-17 Richard Henderson <rth@redhat.com>
2641 * builtins.c (expand_builtin_synchronize): Build a new-style asm
2642 with a memory clobber.
2644 2005-10-17 James E Wilson <wilson@specifix.com>
2646 PR rtl-optimization/17356
2647 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
2648 checking for EDGE_EH.
2650 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
2652 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
2653 the slot on an even boundary for any type with 16-byte alignment.
2655 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
2658 * md.texi (Modifiers) <%>: Clarify that % doesn't work
2659 after register allocation.
2661 2005-10-17 DJ Delorie <dj@redhat.com>
2663 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
2666 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
2669 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
2672 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
2674 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
2675 to 2 if it's already non-zero.
2676 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
2677 is set and warn about it if flag_schedule_insns is 1.
2679 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
2681 * config/crx/crx.md: Compare-and-branch instructions need to
2684 2005-10-17 Uros Bizjak <uros@kss-loka.si>
2687 * config/i386/i386.md (*pushdi2_rex64 splitter)
2688 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
2689 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
2690 flow2 pass only when (optimize > 0 && flag_peephole2).
2692 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
2695 * gcc.c (have_c): New static variable.
2697 (process_command): Remove declation of have_c.
2698 Set have_o to 1 when handling -o.
2699 (main): Add a fatel error if there are multiple
2700 files specified and -o and -c/-S is passed witout
2701 -combine or multiple languages.
2703 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
2705 Fix PR tree-optimization/22444
2706 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
2707 Assert that we don't hit something with subvars.
2708 (setup_pointers_and_addressables): Don't add things with subvars,
2709 because we'll already process the subvars for aliasing purposes.
2711 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
2714 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
2715 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
2716 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
2717 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
2718 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
2719 swapped, alternatives for the R constraint.
2722 * builtins.c (get_builtin_sync_mode): Make unlimited
2723 mode_for_size request.
2725 2005-10-15 Richard Henderson <rth@redhat.com>
2727 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
2728 (gimplify_expr): ... here.
2729 (gimplify_compound_lval): Use it in initial scan loop. Allow
2730 fb_lvalue in base expression.
2732 2005-10-15 Richard Henderson <rth@redhat.com>
2735 * builtins.c (expand_builtin_trap): Export.
2736 * expr.h (expand_builtin_trap): Declare.
2737 * expr.c (expand_assignment): Emit a trap for integral offsets
2738 from registers that weren't reduced to bitpos.
2740 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
2741 (mark_array_ref_addressable): Remove.
2742 * tree-flow.h (mark_array_ref_addressable): Remove.
2743 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
2745 2005-10-15 James E Wilson <wilson@specifix.com>
2748 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
2749 (add_dependence_list_and_free): Likewise.
2750 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
2753 2005-10-15 Diego Novillo <dnovillo@redhat.com>
2757 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
2758 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
2760 (vrp_visit_phi_node): Only prevent infinite iterations when
2761 the previous result and the new result are both VR_RANGEs.
2763 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
2765 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
2768 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2771 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
2774 2005-10-14 Per Bothner <per@bothner.com>
2776 PR preprocessor/21250
2777 * c-ppoutput.c (print_line): Print internal line 0 as 1.
2779 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
2782 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
2783 overflow flags. Refactor some conditionals.
2785 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
2788 * tree-dfa.c (add_referenced_var): Only look at decls which
2789 have TREE_CONSTANT or TREE_READONLY set instead of if
2790 !TREE_PUBLIC or !TREE_CONSTANT.
2792 2005-10-13 James E Wilson <wilson@specifix.com>
2794 * doc/invoke.texi: For -x, add f95-cpp-input.
2795 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
2797 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
2799 PR tree-optimization/24262
2800 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
2801 in loop all the time.
2803 2005-10-12 Richard Henderson <rth@redhat.com>
2806 * tree.h (DECL_TRANSPARENT_UNION): Remove.
2807 * function.c (assign_parm_find_data_types): Don't support it.
2808 * print-tree.c (print_node): Likewise.
2809 * c-common.c (handle_transparent_union_attribute): Likewise.
2810 Use build_duplicate_type.
2811 * tree-inline.c (remap_type_1): Split out of remap_type;
2812 properly remap aggregate fields.
2813 (build_duplicate_type): New.
2814 * doc/extend.texi (Variable Attributes): Remove documentation
2815 for transparent_union.
2817 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2820 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
2821 (gen_stack_pointer_dec): Likewise.
2823 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
2827 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
2829 (struct cxx): Add adjust_class_at_definition target hook.
2830 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
2831 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
2832 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
2833 hook_void_tree. Add to TARGET_CXX.
2834 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
2836 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
2837 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
2838 instead of attribute. Check for dllexport override. Warn if
2839 inconsistent dll linkage. Don't lose old dllimport if decl has
2840 had address referenced. Tweak lookup of dllimport atribute.
2841 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
2842 for target specific rules. Don't add dllimport attribute if
2843 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
2844 dllimport attribute.
2845 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
2846 * varasm.c (initializer_constant_valid_p): Replace
2847 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
2851 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
2852 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
2853 (i[34567]86-*-mingw32*): Likewise.
2855 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
2856 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
2858 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
2859 C++-specific code. Change return value to bool.
2860 (i386_pe_dllimport_p): Likewise.
2861 (associated_type): Simplify and make language-independent
2862 (i386_pe_encode_section_info): Replace override of ambiguous
2863 dllimport symbol refs with a gcc_assert.
2864 (i386_pe_valid_dllimport_attribute_p): Define.
2865 * config/i386/winnt-cxx.c: New file. Define C++ versions of
2866 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2867 i386_pe_adjust_class_at_definition.
2868 * config/i386/winnt-stubs.c: New file. Define stub versions of
2869 lang-specific functions.
2870 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
2871 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2872 i386_pe_adjust_class_at_definition.
2873 (i386_pe_valid_dllimport_attribute_p): Declare.
2874 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
2875 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
2876 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
2879 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
2880 dllimport attribute with test of DECL_DLLIMPORT_P.
2882 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
2884 * combine.c (make_extraction): Correct offset computation.
2886 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
2888 * config/cris/t-linux (LIMITS_H_TEST): Define.
2890 2005-10-12 Richard Henderson <rth@redhat.com>
2893 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
2895 2005-10-12 Richard Guenther <rguenther@suse.de>
2897 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
2899 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
2902 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
2903 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
2906 2005-10-12 Richard Guenther <rguenther@suse.de>
2909 * varasm.c (output_constant): Correct typo from previous
2912 2005-10-11 Ian Lance Taylor <ian@airs.com>
2914 PR rtl-optimization/13931
2915 * combine.c: Revert patch of 2003-05-14, and:
2916 (try_combine): Only set elim_i1 and elim_i2 if the destination is
2917 completely killed in the appropriate insn.
2918 (distribute_notes): Don't skip multiple hard register test for
2919 elim_i1 and elim_i2.
2921 2005-10-11 Richard Henderson <rth@redhat.com>
2924 * c-typeck.c (convert_for_assignment): Use build_constructor_single
2925 to initialize a transparent union instead of a nop_expr.
2927 2005-10-11 Richard Henderson <rth@redhat.com>
2929 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
2930 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
2931 (tree_ssa_dce_loop): Call scev_reset.
2934 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
2935 * tree-ssa-dce.c: Include cfgloop.h.
2936 (tree_ssa_dce_loop, pass_dce_loop): New.
2937 * tree-pass.h (pass_dce_loop): Declare it.
2938 * passes.c (init_optimization_passes): Use it.
2940 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2943 * convert.c (convert_to_real): Revert 2005-10-05 patch.
2944 Only apply the optimization for rounding builtins if the inner
2945 cast is also an extension.
2947 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
2950 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
2951 mark_new_vars_to_rename instead of update_stmt.
2953 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
2955 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
2957 2005-10-11 Jakub Jelinek <jakub@redhat.com>
2959 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
2960 for setting MMX register to 0 rather than mmx.
2962 2005-10-10 Steve Ellcey <sje@cup.hp.com>
2965 * configure.ac: Move gas check from mips specific case to common case.
2966 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
2967 * configure: Regenerate
2968 * doc/install.texi: Update.
2970 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2973 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
2975 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
2977 * gcc.c (do_spec_1): Accept numeric characters in file name
2980 2005-10-10 Nick Clifton <nickc@redhat.com>
2982 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
2983 describing the deleted arm_gen_rotated_half_load function.
2985 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
2987 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
2990 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
2992 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
2994 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
2995 (EXTRA_MULTILIB_PARTS): Define.
2996 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
2997 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
2998 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
2999 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3000 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3001 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
3003 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
3005 PR tree-optimization/24226
3006 * tree-cfg.c (remove_bb): Clean up unreachable loops.
3007 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
3008 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
3011 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3013 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
3015 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
3018 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
3019 Rewrite for no need for the early clobber.
3021 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
3023 Merge from csl-arm-branch:
3024 2005-09-07 Paul Brook <paul@codesourcery.com>
3025 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
3028 2005-04-30 Paul Brook <paul@codesourcery.com>
3029 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
3030 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
3032 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
3033 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
3034 (arm_override_options): Use TARGET_AAPCS_BASED.
3035 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
3036 (PTRDIFF_TYPE): Use int for AAPCS.
3037 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
3038 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
3039 (DEFAULT_SHORT_ENUMS): Delete.
3040 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
3042 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
3043 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
3044 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
3045 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
3047 2004-12-03 Mark Mitchell <mark@codesourcery.com>
3048 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
3050 2004-11-22 Mark Mitchell <mark@codesourcery.com>
3051 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
3053 2004-11-19 Mark Mitchell <mark@codesourcery.com>
3054 * config.gcc (arm*-*-linux-gnueabi): Add it.
3055 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
3057 (TARGET_OS_CPP_BUILTINS): Likeiwse.
3058 * config/arm/linux-eabi.h: New file.
3059 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
3060 (LINUX_TARET_LINK_SPEC): Likewise.
3061 (LINK_SPEC): Use it.
3062 * config/arm/t-linux-eabi: New file.
3064 2005-10-08 Steven Bosscher <stevenb@suse.de>
3067 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
3069 (PARAM_SMS_DFA_HISTORY): Likewise.
3071 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
3074 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
3075 (load_register_parameters): Call it.
3076 (check_sibcall_argument_overlap_1): Likewise.
3077 (store_one_arg): Likewise.
3079 2005-10-07 James E. Wilson <wilson@specifix.com>
3081 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
3082 DImode not VECINT24 for operand 2.
3085 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
3089 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
3090 fr_spill): Use destination_operand for operand 0.
3092 2005-10-07 DJ Delorie <dj@redhat.com>
3094 * varasm.c (output_constant): Limit error to expanding
3097 2005-10-07 Richard Guenther <rguenther@suse.de>
3100 * fold-const.c (fold_binary): Fix operand types during folding
3101 of X op (A, Y). Evaluation order of the side-effects of
3102 X and A are frontend-defined, so ensure we honour that even for
3103 tcc_comparison class operands; eased by removing duplicate code.
3105 2005-10-07 Steve Ellcey <sje@cup.hp.com>
3107 * stor-layout.c (layout_type): Do not allow alignment of array
3108 elements to be greater than their size.
3110 2005-10-07 Steve Ellcey <sje@cup.hp.com>
3112 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
3114 (hppa*-*-linux*): Ditto.
3115 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
3116 * config/host-hpux.c: New.
3117 * config/x-hpux: New.
3118 * config/pa/x-hpux: Remove.
3119 * config/pa/x-linux: Remove.
3120 * config/pa/pa-host.c: Remove.
3122 2005-10-07 Jeff Law <law@redhat.com>
3124 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
3125 determine whether or not to try and thread outgoing edges.
3127 2005-10-07 David Edelsohn <edelsohn@gnu.org>
3129 * config/rs6000/rs6000.md (eqsi_power): New.
3130 (neg_eq0si): Add TARGET_POWER to final condition.
3133 2005-10-06 Richard Henderson <rth@redhat.com>
3135 * config/rs6000/rs6000.c: Revert last change.
3137 2005-10-06 Richard Henderson <rth@redhat.com>
3139 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
3140 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
3142 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
3146 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
3147 out return_label and naked_return_label.
3149 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
3151 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
3154 2005-10-06 Richard Henderson <rth@redhat.com>
3157 * tree-inline.c (declare_return_variable): Handle modify_dest not
3160 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
3162 Fix PR tree-optimization/22488
3163 * tree-ssa-structalias.c (check_for_overlaps): New function.
3164 (create_variable_info_for): Use it.
3166 2005-10-06 Richard Henderson <rth@redhat.com>
3169 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
3170 (dwarf2out_start_source_file): Print it.
3172 2005-10-06 Geoffrey Keating <geoffk@apple.com>
3174 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
3176 2005-10-06 Richard Henderson <rth@redhat.com>
3179 * mode-switching.c (optimize_mode_switching): Clear transp bit
3180 for block with incomming abnormal edges.
3182 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
3183 (fpscr_set_from_mem): Use them.
3184 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
3185 (fpscr postinc splitters): Rewrite as peephole2+split.
3187 2005-10-06 David Edelsohn <edelsohn@gnu.org>
3189 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
3190 (eq<mode>_compare): Same.
3192 2005-10-06 Richard Guenther <rguenther@suse.de>
3194 PR tree-optimization/24238
3195 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
3197 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
3199 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
3200 here. Use AC_PATH_PROG for environment variables instead of
3202 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
3204 * configure: Regenerated.
3206 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
3209 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
3210 then force it into a register.
3211 (call_value): Likewise.
3213 2005-10-06 Richard Henderson <rth@redhat.com>
3216 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
3217 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
3218 under pass_vectorize.
3220 2005-10-05 Devang Patel <dpatel@apple.com>
3223 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
3224 handling constants. Check NAMESPACE_DECL context for constants.
3226 2005-10-05 Eric Christopher <echristo@apple.com>
3228 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
3230 2005-10-05 Richard Henderson <rth@redhat.com>
3233 * tree-cfg.c (mark_array_ref_addressable_1): New.
3234 (mark_array_ref_addressable): New.
3235 * tree-flow.h (mark_array_ref_addressable): Declare.
3236 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
3238 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
3242 * reload.c (subst_reloads): When adding a REG_LABEL to a
3243 jump instruction, also update JUMP_LABEL.
3245 2005-10-05 David Edelsohn <edelsohn@gnu.org>
3247 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
3248 * bb-reorder.c (copy_bb_p): Use it.
3249 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
3251 2005-10-05 Richard Henderson <rth@redhat.com>
3254 * toplev.c (process_options): Warn about unsupported combinations
3255 of unwind tables and omit-frame-pointer.
3256 * config/i386/i386.c (override_options): Similarly. Enable
3257 accumulate-outgoing-args if not explicitly disabled.
3259 2005-10-05 Steve Ellcey <sje@cup.hp.com>
3261 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
3262 Handle big endian vs. small endian.
3263 (vec_initv2sf): Handle big endian vs. small endian.
3264 (*vec_extractv2sf_1): Ditto.
3266 2005-10-05 Dale Johannesen <dalej@apple.com>
3268 * convert.c (convert_to_real): Don't convert
3269 (float)floor(double d) to floorf((float)d).
3271 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
3273 * config/arm/arm.md (insv): Use gen_int_mode in more places.
3275 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
3277 PR tree-optimization/18587
3278 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
3279 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
3280 build_vuses): Change to VEC type.
3281 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
3282 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
3283 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
3284 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
3285 (get_name_decl): New. Return DECL_UID of base variable.
3286 (operand_build_cmp): New. qsort comparison routine.
3287 (operand_build_sort_virtual): New. Sort virtual build vector.
3288 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
3289 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
3290 (FINALIZE_BASE): Use get_name_decl.
3291 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
3292 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
3293 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
3294 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
3295 direct VEC_* manipulations.
3296 (build_ssa_operands): Call operand_build_sort_virtual.
3297 (copy_virtual_operand, create_ssa_artficial_load_stmt,
3298 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
3299 with direct VEC_* manipulations.
3300 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
3301 with direct VEC manipulations.
3303 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
3305 PR tree-optimization/21419
3306 PR tree-optimization/24146
3307 PR tree-optimization/24151
3309 * c-typeck.c (readonly_error): Handle USE being lv_asm.
3310 (build_asm_expr): Call it if outputs are read-only.
3311 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
3313 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
3314 Paolo Bonzini <bonzini@gnu.org>
3318 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
3319 enable the instructions and not just the built-ins.
3320 * doc/invoke.texi (x86 Options): Likewise.
3322 2005-10-04 Geoffrey Keating <geoffk@apple.com>
3324 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
3326 * doc/invoke.texi (Option Summary): Correct spelling
3327 of -mmacosx-version-min.
3329 2005-10-04 Devang Patel <dpatel@apple.com>
3331 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
3334 2005-10-04 Steve Ellcey <sje@cup.hp.com>
3336 * tree-vect-transform.c (vect_create_epilog_for_reduction):
3337 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
3339 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
3341 * config/s390/s390.md ("TDSI","DP"): New mode macros.
3342 ("TE","tg"): New mode attributes.
3343 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
3344 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
3345 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
3346 dword_mode and one for GPRmode.
3348 2005-10-04 Ian Lance Taylor <ian@airs.com>
3350 PR preprocessor/13726
3351 * c-ppoutput.c (cb_include): Add comments parameter, and print out
3352 any comments passed in.
3354 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3356 * tree.c (annotate_with_file_line): Fix typo.
3358 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3361 * builtins.c (fold_builtin_memcmp): When constructing the pointer
3362 type used to access data in the inlined length == 1 case, use
3363 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
3364 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
3366 2005-10-04 Uros Bizjak <uros@kss-loka.si>
3368 * config/i386/i386.h (TARGET_FISTTP): Enable also for
3369 TARGET_SSE3 and only for TARGET_80387.
3370 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
3371 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
3372 Do not depend on TARGET_80387.
3374 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3376 * tree.c (last_annotated_node): Change type to location_t*.
3377 (annotate_with_file_line): Reflect the change of
3378 last_annotated_node type.
3380 2005-10-04 Richard Guenther <rguenther@suse.de>
3383 * c-decl.c (grokdeclarator): Don't write to fields
3386 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3389 * c-decl.c (finish_decl): Use set_user_assembler_name even for
3391 * varasm.c (make_decl_rtl): If a register variable does not
3392 have a set user assmbler name, error out.
3393 Decode the asmspec is now name+1 bypassing '*'.
3395 2005-10-04 Steven Bosscher <stevenb@suse.de>
3397 PR tree-optimization/23049
3398 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
3399 of a COND_EXPR is folded before calling fold on the whole rhs of a
3400 conditional assignment.
3401 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
3402 document that a COND_EXPR may appear there.
3404 2005-10-03 Diego Novillo <dnovillo@redhat.com>
3407 * tree-vrp.c (extract_range_from_assert): If the new numeric
3408 range created out of the assertion contradicts the existing
3409 numeric range of the ASSERT_EXPR variable, make the new range
3412 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
3414 * config/sh/sh.c (sh_register_move_cost): Add case for moving
3415 from T_REGS to FP register class.
3417 2005-10-03 Richard Henderson <rth@redhat.com>
3420 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
3421 before creating a new one.
3423 2005-10-03 David Edelsohn <edelsohn@gnu.org>
3425 * config/rs6000/t-aix43 (LDFLAGS): New.
3426 * config/rs6000/t-aix52 (LDFLAGS): New.
3428 2005-10-03 Ian Lance Taylor <ian@airs.com>
3430 * gimplify.c (find_single_pointer_decl_1): New static function.
3431 (find_single_pointer_decl): New static function.
3432 (internal_get_tmp_var): For a formal variable, set restrict base
3433 information if appropriate.
3434 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
3436 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
3437 (DECL_GET_RESTRICT_BASE): Define.
3438 (SET_DECL_RESTRICT_BASE): Define.
3439 (decl_restrict_base_lookup): Declare.
3440 (decl_restrict_base_insert): Declare.
3441 (struct tree_decl_with_vis): Add based_on_restrict_p field.
3442 * tree.c (restrict_base_for_decl): New static variable.
3443 (init_ttree): Initialize restrict_base_for_decl.
3444 (copy_node_stat): Copy restrict base information.
3445 (decl_restrict_base_lookup): New function.
3446 (decl_restrict_base_insert): New function.
3447 (print_restrict_base_statistics): New static function.
3448 (dump_tree_statistics): Call print_restrict_base_statistics.
3450 2005-10-02 Diego Novillo <dnovillo@redhat.com>
3453 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
3454 case of anti-ranges.
3456 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
3459 * c-typeck.c (tagged_tu_seen): Rename to ...
3460 (tagged_tu_seen_cache): this and add val field.
3461 (comptypes): Move functional to comptypes_internal
3462 and free tagged_tu_seen.
3463 (comptypes_internal): New function and call comptypes_internal
3464 instead of comptypes. Speed up by sibcalling
3465 tagged_types_tu_compatible_p.
3466 (alloc_tagged_tu_seen): New function
3467 (free_all_tagged_tu_seen_up_to): New function.
3468 (tagged_types_tu_compatible_p): Return the val of the seen two
3470 Add that the two types are the same to tagged_tu_seen_base
3471 if they are and call comptypes_internal instead of comptypes.
3472 <case UNION_TYPE>: Speed up common type where the fields are
3474 (function_types_compatible_p): Call comptypes_internal instead of
3476 (type_lists_compatible_p): Likewise.
3477 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
3479 2005-10-02 Matthias Klose <doko@debian.org>
3481 * doc/invoke.texi: Fix typo and speling error.
3483 2005-10-01 Richard Henderson <rth@redhat.com>
3485 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
3487 2005-10-01 Mark Mitchell <mark@codesourcery.com>
3489 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
3490 using --start-group and --end-group.
3492 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3494 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
3495 FIXME note regarding quirky semantics.
3497 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3500 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
3501 non-null range as a last resort.
3503 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
3504 Diego Novillo <dnovillo@redhat.com>
3507 * tree-vrp.c (extract_range_from_assert): For !=
3508 assertions, only build an anti-range if LIMIT is a
3509 single-valued range.
3511 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
3513 * arm.md (movqi): On thumb when optimizing, handle loading from
3514 memory by describing this as taking a subreg of a zero-extended load
3515 into an SImode register.
3518 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
3520 * reload1.c (merge_assigned_reloads): Do not change any
3521 RELOAD_FOR_OUTPUT_ADDRESS reloads.
3523 2005-09-30 Geoffrey Keating <geoffk@apple.com>
3525 * Makefile.in (LIPO_FOR_TARGET): Define.
3526 (STRIP_FOR_TARGET): Define.
3528 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
3529 before creating new ones. Do symlinks before creating the actual
3532 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
3533 to work out which multilibs are actually being built.
3535 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
3537 * tree-vect-transform.c, config/ms1/ms1.md,
3538 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
3539 Follow spelling conventions.
3540 * doc/invoke.texi, doc/md.texi: Fix typos.
3542 2005-09-30 Andrew Macleod <amacleod@redat.com>
3544 PR tree-optimization/21430
3545 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
3546 use operands, and set stmt pointer if need be.
3547 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
3548 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
3551 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3554 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
3556 2005-09-29 Mark Mitchell <mark@codesourcery.com>
3558 * optabs.c (expand_binop): Initialize first_pass_p.
3560 2005-09-29 Jakub Jelinek <jakub@redhat.com>
3563 * c-decl.c (c_write_global_declarations_1): If any
3564 wrapup_global_declaration_2 call returned true, restart the loop.
3566 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
3568 Fix PR tree-optimization/24117
3569 * tree-ssa-structalias.c (find_func_aliases): Strip nops
3570 before considering whether to use anyoffset.
3572 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3576 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3578 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3580 (swap_commutative_operands_with_target): New.
3582 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3585 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
3588 2005-09-29 Steven Bosscher <stevenb@suse.de>
3590 PR tree-optimization/23911
3591 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
3592 and IMAGPART_EXPR too.
3594 2005-09-28 Mark Mitchell <mark@codesourcery.com>
3597 * expmed.c (expand_shift): Move logic to reverse rotation
3598 direction when rotating by constants ...
3599 * optabs.c (expand_binop): ... here.
3600 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
3601 (ix86_rotrdi3): New pattern.
3602 (rotldi3): Handle 32-bit mode.
3603 (ix86_rotldi3): New pattern.
3605 2005-09-29 Alan Modra <amodra@bigpond.net.au>
3608 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
3609 check for numbers that need no bit twiddle.
3611 2005-09-28 Geoffrey Keating <geoffk@apple.com>
3613 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
3614 multilib to be built.
3616 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
3617 (stage1-start): Delete old libgcc and libunwind before moving
3618 anything into the stage directory.
3619 (stage2-start): Likewise.
3620 (stage3-start): Likewise.
3621 (stage4-start): Likewise.
3622 (stageprofile-start): Likewise.
3623 (stagefeedback-start): Likewise.
3624 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
3625 header in tm_file and CPU-specific t-darwin in tmake_file.
3626 (i[34567]86-*-darwin*): Don't change tm_file.
3627 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
3628 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
3629 shared library stub for target OS version.
3630 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
3631 (SHLIB_LINK): Don't make SHLIB_SOLINK.
3632 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
3633 (libgcc_s.%.dylib): New.
3635 (install-darwin-libgcc-stubs): New.
3636 (INSTALL_LIBGCC): New append.
3637 * config/i386/darwin-libgcc.10.4.ver: New.
3638 * config/i386/darwin-libgcc.10.5.ver: New.
3639 * config/i386/t-darwin: New.
3640 * config/rs6000/darwin-libgcc.10.4.ver: New.
3641 * config/rs6000/darwin-libgcc.10.5.ver: New.
3642 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
3643 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
3645 2005-09-28 Paul Brook <paul@codesourcery.com>
3647 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
3650 2005-09-28 Richard Guenther <rguenther@suse.de>
3652 PR tree-optimization/23853
3653 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
3654 host_integerp to verify misalignment value.
3656 2005-09-28 Richard Henderson <rth@redhat.com>
3658 * builtins.c (get_builtin_sync_mode): New.
3659 (expand_builtin_sync_operation): Pass in mode argument.
3660 (expand_builtin_compare_and_swap): Likewise.
3661 (expand_builtin_lock_test_and_set): Likewise.
3662 (expand_builtin_lock_release): Likewise.
3663 (expand_builtin): Update to match.
3665 2005-09-28 Nick Clifton <nickc@redhat.com>
3667 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
3668 formatting. Add check to PLUS case to ensure that the offset is
3669 within an acceptable range.
3671 * config/v850/v850.md (casesi): Disable the generation of the
3672 switch pattern as it is not being handled properly at the moment.
3674 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
3675 for when the high words are identical.
3677 2005-09-27 Richard Henderson <rth@redhat.com>
3679 * pretty-print.c (pp_base_format): Fix typo for %>.
3681 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
3682 Devang Patel <dpatel@apple.com>
3684 PR tree-optimization/23625
3685 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
3686 LABEL_EXPR, assertion check.
3688 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
3690 * optabs.c (no_conflict_move_test): Check if a result of a
3691 to-be-moved insn would be clobbered by an originally
3694 2005-09-27 Jeff Law <law@redhat.com>
3696 * passes.c (init_optimization_passes): Replace copy propagation
3697 passes immediately after DOM with phi-only copy propagation
3698 pases. Add phi-only copy propagation pass after first DOM pass.
3699 * tree-pass.h (pass_phi_only_copy_prop): Declare.
3700 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
3701 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
3702 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
3703 to init_copy_prop. Callers updated.
3704 (do_phi_only_copy_prop): New function.
3705 (pass_phi_only_copy_prop): New pass descriptor.
3707 2005-09-27 Nick Clifton <nickc@redhat.com>
3709 * libgcc2.c (__popcount_tab): Remove redundant prototype.
3711 2005-09-26 Jason Merrill <jason@redhat.com>
3714 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
3716 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
3718 2005-09-26 James E Wilson <wilson@specifix.com>
3720 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
3721 copyright. Add gcc copyright plus libgcc exception.
3722 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
3724 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
3726 2005-09-26 Jeff Law <law@redhat.com>
3728 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
3729 about when to iterate.
3731 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
3734 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
3735 for __complex__ double in -mcpu=G5 mode.
3737 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
3739 PR tree-optimization/23942
3740 * Makefile.in (SCEV_H): Depends on PARAMS_H.
3741 * tree-scalar-evolution.c: Include params.h.
3743 (follow_ssa_edge, follow_ssa_edge_in_rhs,
3744 follow_ssa_edge_in_condition_phi_branch,
3745 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
3746 Change return type to t_bool. Use a parameter to limit the size of
3747 trees that are walked before stopping
3748 (analyze_evolution_in_loop): Initialize the limit to 0.
3749 (follow_ssa_edge): Give up by returning t_dont_know if the limit
3750 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3752 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3755 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
3756 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
3758 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
3760 * combine.c (make_extraction): Check for valid use of subreg.
3762 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3765 * config/i386/i386.md ("*fistdi2_1"): New pattern.
3766 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
3767 ("fist<mode>2_with_temp"): Use only register operands.
3769 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
3771 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
3772 CALL_INSN_FUNCTION_USAGE.
3774 2005-09-26 Richard Guenther <rguenther@suse.de>
3777 * gcse.c: Include hashtab.h, define ldst entry hashtable.
3778 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
3779 (ldst_entry): Use the hashtable instead of list-walking.
3780 (find_rtx_in_ldst): Likewise.
3781 (free_ldst_entry): Free the hashtable.
3782 (compute_ld_motion_mems): Create the hashtable.
3783 (trim_ld_motion_mems): Remove entry from hashtable if
3784 removing it from list.
3785 (compute_store_table): Likewise^2.
3786 (store_motion): Free hashtable in case we did not see
3789 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
3791 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
3792 and arg1 if we are passing them to fold_build2.
3794 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
3797 * config/i386/i386.c (ix86_function_regparm): Fix the test for
3800 2005-09-25 Richard Henderson <rth@redhat.com>
3802 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
3803 SYMBOL_REF_TLS_MODEL to be correct.
3805 2005-09-24 Richard Henderson <rth@redhat.com>
3807 * ipa-type-escape.c (discover_unique_type): Remove dead code at
3808 end of function. Reindent.
3810 2005-09-24 Ian Lance Taylor <ian@airs.com>
3812 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
3813 NEGATE_EXPR/BIT_NOT_EXPR case.
3815 2005-09-24 Richard Henderson <rth@redhat.com>
3817 * c-common.c (handle_mode_attribute): When not modifying in place,
3818 create subtypes for enumerations.
3819 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
3820 * gimplify.c (create_tmp_from_val): Likewise.
3822 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
3824 * config/i386/i386.md (*tls_global_dynamic_64,
3825 *tls_local_dynamic_base_64): Add missing mode to call.
3826 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
3828 2005-09-24 Jan Hubicka <jh@suse.cz>
3830 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
3831 (cgraph_clone_node): Likewise.
3832 * cgraph.h (cgraph_clone_edge): Update prototype.
3833 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
3834 duplicated prototypes; add updating argument.
3835 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
3836 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
3838 (cgraph_mark_inline_edge): Likewise.
3839 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
3840 (cgraph_flatten_node): Likewise.
3841 (cgraph_decide_recursive_inlining): Likewise.
3842 (cgraph_decide_inlining_of_small_function): Likewise.
3843 * tree-optimize.c (tree_rest_of_compilation): Likewise.
3845 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3846 Pete Steinmetz <steinmtz@us.ibm.com>
3848 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
3849 (rldic.): Set type to "compare".
3851 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
3852 mfjmpr for MFCTR/MFLR.
3853 (movdf_hardfloat64): Same.
3854 (movdf_softfloat64): Same. Correct order of store and move types.
3855 (movti_string): Set type to store_ux/load_ux.
3856 (load_multiple): Set type to load_ux.
3857 (store_multiple): Set type to store_ux.
3858 (movmemsi): Set type to store_ux.
3859 (output_cbranch direct_return): Set type to jmpreg.
3860 (stmw): Set type to store_ux.
3861 (lmw): Set type to load_ux.
3862 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
3863 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
3864 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
3865 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
3866 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
3867 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
3868 (rios1-fpstore): Increase latency to 3.
3869 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
3870 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
3872 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3873 Andrew Pinski <pinskia@physics.uc.edu>
3875 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
3876 operand2 constraint to "b".
3877 (sync_<fetchop_name>di_internal): Same.
3878 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
3880 (sync_old_<fetchop_name>di_internal): Same.
3881 (sync_new_<fetchop_name>si_internal): Same.
3882 (sync_new_<fetchop_name>di_internal): Same.
3884 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
3887 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
3888 case, define as macros.
3890 PR rtl-optimization/23837
3891 * optabs.c (no_conflict_move_test): Don't set must_stay for a
3892 clobber / clobber match between dest and p->first.
3894 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
3895 (no_conflict_move_test): Update comments.
3897 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3899 * doc/install.texi: Update URL for Jacks.
3900 * doc/sourcebuild.texi: Likewise.
3902 2005-09-22 David Edelsohn <edelsohn@gnu.org>
3905 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
3906 registers when choosing register preferences.
3907 (movdf_hardfloat64): Same.
3909 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
3911 * expmed.c (expand_shift): Don't use the target of the rotate as
3912 target for the first expanded shift insn.
3913 * testsuite/gcc.dg/20050922-1.c: Testcase added.
3915 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
3917 PR tree-optimization/22438
3918 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
3919 preserved iv rhs rewriting specially.
3921 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
3923 * tree-data-ref.c (analyze_array_indexes): Only estimate when
3924 estimate_only is true.
3925 * tree-flow.h (ref_contains_indirect_ref): New prototype.
3926 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
3927 tree-ssa-structalias.c
3928 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
3929 ref_contains_indirect_ref.
3930 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
3932 2005-09-21 DJ Delorie <dj@redhat.com>
3934 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
3936 (mn10300_return_in_memory): Support variable size types also.
3937 (mn10300_pass_by_reference): Likewise.
3938 (mn10300_function_value): New.
3939 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
3940 (FUNCTION_OUTGOING_VALUE): Likewise.
3941 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
3942 * doc/invoke.texi: Document it.
3944 2005-09-21 Uros Bizjak <uros@kss-loka.si>
3947 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
3948 force integer op1 into register for XFmode compares.
3950 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3953 * expmed.c (alg_code): Add alg_impossible.
3954 (alg_hash_entry): Add cost.
3955 (synth_mult): Record alg_impossible in the hash table if
3956 multiplication by a given integer is impossble within the
3957 limit. Speed up using alg_impossible.
3959 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
3961 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
3962 argument. Allow and set any offset if needs_anyoffset is passed
3964 (get_constraint_for): Add argument here too.
3966 (do_structure_copy): Pass NULL to get_constraint_for.
3967 (handle_ptr_arith): Ditto.
3968 (find_func_aliases): Ditto.
3970 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
3972 PR rtl-optimization/23898
3973 * output.h (get_attr_min_length): Declare.
3974 * final.c (get_attr_length_1): New function, broken out of:
3976 (get_attr_min_length): New function.
3977 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
3978 (duplicate_computed_gotos): Likewise.
3979 * genattr.c (insn_min_length): Generate declaration.
3980 * genattrtab.c (min_fn, min_attr_value): New functions.
3981 (make_length_attrs): Generate insn_min_length.
3983 2005-09-20 Steve Ellcey <sje@cup.hp.com>
3985 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
3987 2005-09-20 Richard Henderson <rth@redhat.com>
3989 PR tree-optimization/24059
3990 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
3993 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
3995 * c.opt (fextended-identifiers): New.
3996 * c-opts.c (c_common_handle_option): Handle
3997 -fextended-identifiers.
3998 * doc/cpp.texi: Update documentation of extended identifiers.
3999 * doc/cppopts.texi (-fextended-identifiers): Document.
4001 2005-09-20 Jakub Jelinek <jakub@redhat.com>
4003 PR tree-optimization/23929
4004 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
4007 PR tree-optimization/23818
4008 * tree-stdarg.c (execute_optimize_stdarg): Call
4009 calculate_dominance_info.
4011 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
4013 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
4014 (analyze_siv_subscript_cst_affine): Add weak SIV test.
4015 (compute_overlap_steps_for_affine_1_2): Use
4016 get_number_of_iters_for_loop.
4017 (analyze_subscript_affine_affine): Check whether difference is
4019 Use get_number_of_iters_for_loop.
4020 Check whether overlap occurs outside of bounds.
4021 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
4023 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
4025 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
4026 base register if possible.
4028 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
4030 PR tree-optimization/18463
4031 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
4032 converting it directly is not possible.
4033 (chrec_convert_aggressive): New function.
4034 * tree-chrec.h (chrec_convert_aggressive): Declare.
4035 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
4036 Fold chrec conversions aggressively if asked to.
4037 (instantiate_parameters): Modified because of changes in
4038 instantiate_parameters_1.
4040 2005-09-19 Richard Henderson <rth@redhat.com>
4042 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
4043 (reduc_splus_v2df): New.
4045 2005-09-19 Richard Sandiford <richard@codesourcery.com>
4047 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
4048 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
4050 2005-09-19 Richard Henderson <rth@redhat.com>
4052 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
4055 2005-09-19 Richard Henderson <rth@redhat.com>
4057 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
4058 (ia64_expand_dot_prod_v8qi): New.
4059 * config/ia64/ia64-protos.h: Update.
4060 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
4061 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
4062 sdot_prodv8qi, sdot_prodv4hi): New.
4063 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
4065 2005-09-19 Richard Henderson <rth@redhat.com>
4068 * real.c (exact_real_truncate): Return false if the format cannot
4069 represent the number as a normal.
4071 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
4072 for a memory source.
4074 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
4076 * tree-ssa-operands.c (swap_tree_operands): Export.
4077 * tree.h (swap_tree_operands): Declare.
4078 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
4079 Call swap_tree_operands.
4081 2005-09-19 Richard Henderson <rth@redhat.com>
4083 * tree-flow.h (merge_alias_info): Declare.
4084 * tree-ssa-copy.c (merge_alias_info): Export.
4085 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
4086 (vect_create_data_ref_ptr): Use create_iv directly.
4087 (vectorizable_load): Use correct types for integer constants.
4088 (vect_generate_tmps_on_preheader): Likewise.
4089 (vect_gen_niters_for_prolog_loop): Likewise.
4091 2005-09-19 Steven Bosscher <stevenb@suse.de>
4093 PR rtl-optimization/23943
4094 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
4096 2005-09-18 Jan Hubicka <jh@suse.cz>
4098 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
4100 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
4102 * varasm.c (output_constant): Do not abort on conversions to union
4103 types between different sizes.
4105 2005-09-18 Richard Guenther <rguenther@suse.de>
4108 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
4111 2005-09-18 Paul Brook <paul@codesourcery.com>
4113 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
4115 2005-09-17 Richard Henderson <rth@redhat.com>
4117 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
4118 * tree-ssa-loop.c (pass_vect_dce): Remove.
4119 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
4122 2005-09-17 Richard Henderson <rth@redhat.com>
4124 * tree-pass.h (pass_vect_dce): Declare.
4125 * passes.c (init_optimization_passes): Add it.
4126 * tree-flow.h (tree_ssa_dce): Declare.
4127 * tree-ssa-dce.c (tree_ssa_dce): Export.
4128 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
4129 (gate_tree_vectorize): ... here.
4130 (pass_vect_dce): New.
4132 2005-09-17 Jan Hubicka <jh@suse.cz>
4134 * except.c (struct eh_status): Turn region_array into vec.
4135 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
4136 convert_from_eh_region_ranges, find_exception_handler_labels,
4137 current_function_has_exception_handlers, assign_filter_values,
4138 build_post_landing_pads, dw2_build_landing_pads,
4139 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
4140 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
4141 foreach_reachable_handler, can_throw_internal_1,
4142 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
4144 (duplicate_eh_region_1): Update region_array.
4145 (duplicate_eh_regions): Resize region_array and avoid recomputing.
4147 2005-09-17 David Edelsohn <edelsohn@gnu.org>
4150 * expmed.c (expand_mult): Substitute simple register for op0 when
4153 2005-09-17 Richard Henderson <rth@redhat.com>
4155 * expr.c (emit_move_via_integer): Add force argument, pass it on
4156 to emit_move_change_mode. Update callers.
4157 (emit_move_complex): Pass true to new force argument.
4158 * function.c (expand_function_end): Move expand_eh_return call
4159 earlier. Merge sub-word complex values into a pseudo before
4160 copying to the return hard register.
4162 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
4164 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
4165 between different sizes.
4167 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
4171 * passes.c (init_optimization_passes): Register dump files for
4174 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
4176 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
4177 * config/s390/s390.c (s390_overlap_p): New function.
4178 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
4179 peephole2, "*xc" peephole2): Added overlap check to the peephole2
4182 2005-09-16 Richard Guenther <rguenther@suse.de>
4184 * ipa-pure-const.c (static_execute): Free auxiliar information.
4185 * ipa-type-escape.c (discover_unique_type): Free temporary key.
4186 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
4188 2005-09-15 DJ Delorie <dj@redhat.com>
4190 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
4192 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
4194 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4196 (swap_commutative_operands_with_target): New.
4198 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
4200 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
4203 (estimate_iters_using_array): New function.
4204 * tree-data-ref.h (estimate_iters_using_array): Prototype
4205 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4206 Use estimate_iters_using_array instead of analyze_array.
4208 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
4210 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
4213 2005-09-15 Michael Matz <matz@suse.de>
4215 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
4217 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
4219 PR tree-optimization/23835
4220 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
4221 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
4223 2005-09-14 Richard Henderson <rth@redhat.com>
4225 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
4226 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
4228 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
4230 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
4231 in the ARRAY_TYPE case.
4233 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
4235 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
4237 2005-09-14 Uros Bizjak <uros@kss-loka.si>
4240 * tree-vect-transform.c (vectorizable_operation): Return false for
4241 scalar shift operations and for vector shift operations with
4242 non-invariant shift arguments. Use scalar tree operand op1 as
4243 a shift operand when vector shift insn pattern uses scalar shift
4245 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
4247 2005-09-14 Olivier Hainque <hainque@adacore.com>
4249 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
4250 value if it has side-effects.
4252 2005-09-14 David Edelsohn <edelsohn@gnu.org>
4255 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
4257 2005-09-14 Alan Modra <amodra@bigpond.net.au>
4259 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
4260 passed as NAME as if it were label at start of function code.
4262 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
4264 * config/sh/sh.md (*movv4sf_i): Add general register cases to
4267 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4269 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
4270 as early clobber. Rewrite so the PIC register is not implicitly used.
4272 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4274 * tree.c (annotate_with_file_line): Compare line numbers before
4277 2005-09-13 Uros Bizjak <uros@kss-loka.si>
4280 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
4281 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
4283 2005-09-13 Ian Lance Taylor <ian@airs.com>
4285 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
4286 than a HOST_WIDEST_INT to gen_doloop_begin.
4288 2005-09-13 Diego Novillo <dnovillo@redhat.com>
4290 * tree-dfa.c (dump_variable): Guard against NULL annotations.
4292 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
4294 PR tree-optimize/23817
4295 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
4297 2005-09-13 Alan Modra <amodra@bigpond.net.au>
4300 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
4301 word before changing the stack pointer. Use gen_frame_mem for MEMs.
4302 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
4303 (restore_stack_nonlocal): Likewise.
4304 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
4306 2005-09-12 Ian Lance Taylor <ian@airs.com>
4309 * c.opt (ffriend-injection): New C++ option.
4310 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
4311 (C++ Dialect Options): Document -ffriend-injection.
4313 2005-09-12 Josh Conner <jconner@apple.com>
4316 * ipa-reference.c (static_execute): Don't mark variables in
4317 named sections TREE_READONLY.
4319 2005-09-12 Alan Modra <amodra@bigpond.net.au>
4321 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
4324 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4326 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
4327 V_MUST_DEF instead of just the first_use_p.
4328 Don't mark the virtual variables for renaming on the statement which
4330 (pass_dse): Remove TODO_update_ssa.
4332 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
4335 * stor-layout.c (compute_record_mode): For records with a single
4336 field, actually check the field's mode size against the type size.
4338 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
4339 registers for TARGET_SHMEDIA.
4340 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
4341 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
4342 of GENERAL_REGS and FP_REGS.
4344 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
4346 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
4348 2005-09-12 Alan Modra <amodra@bigpond.net.au>
4350 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
4351 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
4352 are omitted. Exclude stack_tie insn too.
4354 2005-09-11 David Edelsohn <edelsohn@gnu.org>
4356 PR rtl-optimization/23098
4357 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
4359 * config/rs6000/rs6000.md (movdf splitter): Use
4360 const_double_operand predicate for TARGET_POWERPC64.
4361 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
4362 SYMBOL_REF method to ABI_V4.
4364 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
4365 replace_equiv_address.
4366 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
4367 rs6000_sr_alias_set and MEM_NOTRAP.
4368 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
4370 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
4372 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
4373 handle CALL_EXPR again.
4375 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
4377 * arm/predicates.md (alignable_memory_operand): Delete.
4379 2005-09-10 Richard Henderson <rth@redhat.com>
4382 * dbxout.c (dbxout_expand_expr): New.
4383 (dbxout_symbol): Use it.
4385 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
4387 * arm.c (arm_gen_rotated_half_load): Delete.
4388 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
4389 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
4390 (thumb_set_return_address): Likewise.
4391 (thumb_load_double_from_address): Use adjust_address.
4392 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
4393 (extendhsisi2_mem, movhi_bytes): Use change_address.
4394 (movhi): Use widen_memory_access.
4395 (reload_out_df): Use replace_equiv_address.
4396 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
4398 2005-09-09 Richard Henderson <rth@redhat.com>
4401 * dbxout.c: Include expr.h.
4402 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
4403 (dbxout_symbol): Handle DECL_VALUE_EXPR.
4404 * Makefile.in (dbxout.o): Add EXPR_H.
4406 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
4408 PR tree-optimization/23509
4409 * tree-cfg.c (replace_uses_by): Use replace_exp.
4410 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
4411 pointers have name_mem_tag or type_mem_tag set.
4413 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4415 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
4416 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
4417 of wrongly accessing operands.
4419 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4421 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
4422 * tree-chrec.c: Include tree-scalar-evolution.h.
4423 (chrec_convert): Instantiate the base and step before calling
4424 scev_probably_wraps_p that would fail on parametric evolutions.
4425 Collect all the fails into a single section failed_to_convert,
4426 print a diagnostic, and return chrec_dont_know instead of calling
4428 * tree-scalar-evolution.c (loop_closed_phi_def): New.
4429 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
4431 (scev_const_prop): Don't replace the definition of a loop closed ssa
4432 phi node by itself, or by another loop closed ssa phi node.
4433 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
4434 that base and step are defined.
4436 2005-09-09 Richard Guenther <rguenther@suse.de>
4439 * fold-const.c (fold_ternary): Check truth_value_p before
4440 calling invert_truthvalue.
4442 2005-09-09 Nick Clifton <nickc@redhat.com>
4444 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
4445 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
4446 dimension of these arrays.
4447 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
4449 * longlong.h: Only provide a prototype for the __clz_tab[] array
4450 if this header has not been included from libgcc2.h.
4451 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
4453 Provide prototypes for exported functions.
4454 Use the __clz_tab[] and __popcount_tab[] arrays provided by
4457 2005-09-08 Josh Conner <jconner@apple.com>
4461 * expr.c (expand_expr_addr_expr_1): Don't invoke
4462 expand_simple_binop for EXPAND_INITIALIZER.
4464 2005-09-08 Richard Henderson <rth@redhat.com>
4467 * toplev.c (wrapup_global_declaration_1): Split out ...
4468 (wrapup_global_declaration_2): ... from ...
4469 (wrapup_global_declarations): ... here. Return bool.
4470 (check_global_declaration_1): Split out ...
4471 (check_global_declarations): from here.
4472 (emit_debug_global_declarations): New.
4473 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
4474 check_global_declaration_1, emit_debug_global_declarations): Declare.
4475 * c-decl.c (c_write_global_declarations_1): Don't create a vector
4476 of decls. Call wrapup_global_declaration_1,
4477 wrapup_global_declaration_2, check_global_declaration_1 directly.
4478 (c_write_global_declarations_2): New.
4480 (c_write_global_declarations): Call c_write_global_declarations_2.
4481 * langhooks.c (write_global_declarations): Call
4482 emit_debug_global_declarations.
4484 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
4485 remove decls that have DECL_RTL_SET_P.
4486 * passes.c (rest_of_decl_compilation): Invoke
4487 cgraph_varpool_finalize_decl for all but functions.
4489 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
4491 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
4492 the result of a conversion if the new min and max cannot be compared.
4494 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
4496 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
4497 (override_options): Setting s390_sr_alias_set removed.
4498 (save_fpr, save_gprs): Set alias set to vararg or frame.
4499 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
4500 s390_sr_alias_set with get_frame_alias_set ().
4501 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
4502 get_varargs_alias_set ().
4504 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4508 * c-parser.c (c_parser_objc_method_definition): If the next
4509 token is not "{", error out and don't start the function.
4511 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4513 * tree-vrp.c (extract_range_from_expr): Move the check for non
4514 nullness after the check for gimple invariant.
4516 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4518 * tree.c (host_integerp, tree_low_cst): Correct function comment.
4520 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4523 * config/m32r.md (movmemsi_internal): Canonicalize order of
4524 operands in PLUS component of template.
4526 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
4528 * reload1.c (fixup_eh_region_note): Remove assertion.
4529 (fixup_abnormal_edges): Reverted removal of call to
4530 find_many_sub_basic_blocks made on 2005-08-31.
4532 2005-09-07 Richard Henderson <rth@redhat.com>
4534 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
4535 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
4536 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
4537 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
4538 rearrange for better packing.
4539 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
4540 (lookup_cfa_1): Remove inline marker.
4541 (cfa_equal_p): Split out of ...
4542 (def_cfa_1): ... here. Use INVALID_REGNUM.
4543 (build_cfa_loc): Handle !cfa->indirect.
4544 (frame_pointer_cfa_offset): New.
4545 (dbx_reg_number): Assert register elimination performed; do
4546 leaf register remapping.
4547 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
4548 (eliminate_reg_to_offset): New.
4549 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
4550 for verifiably local stack frame addresses; re-base to CFA.
4551 (mem_loc_descriptor): Remove can_use_fbreg argument.
4552 (concat_loc_descriptor, loc_descriptor): Likewise.
4553 (containing_function_has_frame_base): Remove.
4554 (rtl_for_decl_location): Don't do register elimination or
4555 leaf register remapping here.
4556 (secname_for_decl): Split out from ..
4557 (add_location_or_const_value_attribute): ... here.
4558 (convert_cfa_to_loc_list): New.
4559 (compute_frame_pointer_to_cfa_displacement): New.
4560 (gen_subprogram_die): Use them.
4561 * tree.h (frame_base_decl): Remove.
4562 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
4563 (prologue_stack_adjust): Remove.
4564 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
4565 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
4566 (set_frame_base_location): Remove.
4567 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
4568 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
4569 (vt_add_function_parameters): Don't eliminate_regs.
4570 (vt_initialize): Don't create frame_base_decl.
4572 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4574 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
4575 version of GNU binutils for 4.x and later.
4577 2005-09-06 Mark Mitchell <mark@codesourcery.com>
4579 * ggc-page.c (ggc_push_context): Remove.
4580 (ggc_pop_context): Likewise.
4581 * ggc.h (ggc_push_context): Remove.
4582 (ggc_pop_context): Likewise.
4584 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4587 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
4588 returning from an interrupt handler.
4590 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4593 * config/arc/arc.c (output_shift): Add check for loop count when
4596 2005-09-06 Steven Bosscher <stevenb@suse.de>
4598 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
4600 (abs_replacement): Likewise.
4601 (pass_phiopt): Remove TODO_update_ssa.
4603 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4606 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
4607 if "return with no value, in function returning non-void" warning
4609 * tree-cfg.c (execute_warn_function_return): Don't look at
4610 RETURN_EXPRs with TREE_NO_WARNING set.
4613 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
4614 for internal functions doesn't use registers used by global registers
4615 variables. Use fewer register parameters if there are global register
4618 2005-09-06 Olivier Hainque <hainque@adacore.com>
4619 Eric Botcazou <ebotcazou@adacore.com>
4622 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
4623 when we would be extracting outside its bit span (bitpos+bitsize
4624 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
4625 Ada unchecked conversions.
4627 2005-09-06 Steven Bosscher <stevenb@suse.de>
4629 * tree-ssa-pre.c (try_look_through_load): New function.
4630 (compute_avail): Use it to try to look through loads for some
4631 more useful expressions.
4633 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4635 * simplify-rtx.c (simplify_binary_operation_1): Correct the
4636 condition for detecting cases like (a&a) and (a^a).
4638 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
4640 * common.opt: Add option ftree-vect-loop-version.
4641 * params.def: Add --param vect-max-version-checks.
4642 * doc/invoke.texi: Document ftree-vect-loop-version and
4643 --param vect-max-version-checks.
4644 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
4645 may_misalign_stmts and defines for accessors.
4646 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
4647 LOOP_VINFO_MAY_MISALIGN_STMTS.
4648 (destroy_loop_vec_info): VEC_free for
4649 LOOP_VINFO_MAY_MISALIGN_STMTS.
4650 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4651 Update documentation.
4652 (vect_update_misalignment_for_peel): New.
4653 (vect_enhance_data_refs_alignment): Update to choose loop
4654 peeling or loop versioning if appropriate for the (potentially)
4655 unaligned data references in the loop.
4656 (vect_analyze_data_refs_alignment): Remove call to
4657 vect_enhance_data_refs_alignment so the checks can be done
4659 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
4660 and move up call to vect_analyze_data_refs_alignment.
4661 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
4662 (vect_transform_loop): Add call to loop_version.
4664 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4666 PR rtl-optimization/23098
4667 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
4668 * simplify-rtx.c (constant_pool_reference_p): New function.
4669 * rtl.h (constant_pool_reference_p): New prototype.
4670 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
4671 constant_pool_reference_p in condition and
4672 avoid_constant_pool_reference in preparation statements.
4674 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
4676 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
4677 STRICT_LOW_PART SETs.
4679 2005-09-06 Alan Modra <amodra@bigpond.net.au>
4682 * except.c (sjlj_emit_function_enter): Find the function begin
4683 note even when it's not in first basic block.
4685 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
4687 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
4688 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
4689 * aclocal.m4: Regenerate.
4691 2005-09-05 DJ Delorie <dj@redhat.com>
4693 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
4696 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
4698 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
4699 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
4700 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
4701 Follow spelling conventions.
4702 * doc/invoke.texi: Follow spelling conventions.
4704 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4706 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
4707 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
4708 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
4710 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4713 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
4714 (output_stack_adjust): Use gen_tmp_stack_mem.
4715 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
4716 (sh_set_return_address, sh_allocate_initial_value): Likewise.
4717 (sh_get_pr_initial_val): Likewise.
4718 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
4719 (sh_initialize_trampoline): Likewise. Also use adjust_address.
4720 * sh.md (divsi_inv_m0): Use gen_const_mem.
4721 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
4722 (movdf_i4+1): Use gen_tmp_stack_mem.
4723 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
4724 (fpu_switch+2): Likewise.
4725 (movv4sf_i, movv16sf_i): Use adjust_address.
4726 (symGOT_load): Set MEM_NOTRAP_P bit.
4728 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4731 * pa.c (emit_move_sequence): Fix typo in last change.
4733 2005-09-03 Jakub Jelinek <jakub@redhat.com>
4735 PR rtl-optimization/23454
4736 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
4739 2005-09-03 Richard Henderson <rth@redhat.com>
4740 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4743 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
4746 2005-09-02 Nicolas Pitre <nico@cam.org>
4748 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
4749 to bit_count to 32 bits.
4751 2005-08-31 Mark Mitchell <mark@codesourcery.com>
4754 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
4755 generating synthetic loads from volatile lvalues.
4757 005-09-02 Nick Clifton <nickc@redhat.com>
4759 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
4760 __ctzhi2, __clzhi2): New functions.
4762 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
4765 * tree-nested.c (struct var_map_elt): Mark with GTY.
4766 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
4768 (lookup_field_for_decl): Allocate new element in GC memory.
4769 (lookup_tramp_for_decl): Likewise.
4770 (convert_nl_goto_reference): Likewise
4771 (create_nesting_tree): Allocate info in GC memory. Likewise for
4773 (free_nesting_tree): Free with ggc_free instead of free.
4774 (root): New static variable.
4775 (lower_nested_functions): Remove root as local variable. And zero out
4776 root at the end of the function.
4778 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
4780 PR rtl-optimization/20365
4781 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
4782 to short. New member ix.
4783 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
4784 (simplify_plus_minus): Initialize ix members before calling qsort.
4786 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
4788 PR tree-optimization/23626
4789 * tree-cfg.c (replace_uses_by): Clean up eh info.
4791 2005-09-01 DJ Delorie <dj@redhat.com>
4793 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
4796 2005-09-01 David Edelsohn <edelsohn@gnu.org>
4798 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
4799 (rs6000_split_multireg_move): Use replace_equiv_address instead of
4802 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
4804 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
4805 do not issue warning for a variable definition following
4808 2005-09-01 Richard Henderson <rth@redhat.com>
4811 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
4812 conversion to CONST_VECTOR.
4814 2005-09-01 Richard Henderson <rth@redhat.com>
4817 * reload1.c (reload_as_needed): Check !CALL_P before calling
4818 fixup_eh_region_note.
4819 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
4821 2005-09-01 DJ Delorie <dj@redhat.com>
4823 * varasm.c (output_constant): Let the target resolve
4824 conversions of addresses to non-default pointer sizes.
4826 2005-09-01 Nicolas Pitre <nico@cam.org>
4828 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
4829 to alow matching ARM pre-indexed addressing mode.
4830 (arm_override_options): Remove now irrelevant comment.
4832 2005-09-01 Phil Edwards <phil@codesourcery.com>
4834 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
4835 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
4836 * config/i386/vxworks.h: Likewise.
4837 * config/i386/t-vxworksae: New file, for VxWorks AE.
4838 * config/i386/vxworksae.h: Likewise.
4840 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
4842 PR tree-optimization/23410
4843 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
4844 sequence is not wrapping during the first step.
4846 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4849 * dwarf2out.c (base_type_die): Compare char_type_node with
4850 TYPE_MAIN_VARIANT (type), not type.
4852 2005-09-01 Richard Guenther <rguenther@suse.de>
4854 PR tree-optimization/15366
4855 * common.opt: Add -finline-functions-called-once.
4856 Put -fearly-inlining in alphabetically ordered place.
4857 * doc/invoke.texi: Document new option.
4858 * ipa-inline.c (cgraph_decide_inlining): Honour
4859 flag_inline_functions_called_once.
4861 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4863 PR rtl-optimization/23478
4864 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
4865 (alloc_qty): Initialize it.
4866 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
4867 (combine_regs): Combine also n_throwing_calls_crossed fields.
4868 (find_free_reg): Don't attempt to caller-save pseudos crossing
4869 calls that might throw.
4870 * global.c (struct allocno): Add throwing_calls_crossed field.
4871 (global_alloc): Revert 2005-08-22 change. Initialize
4872 throwing_calls_crossed.
4873 (find_reg): Don't attempt to caller-save pseudos crossing calls that
4876 2005-09-01 Alan Modra <amodra@bigpond.net.au>
4879 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
4880 (mask64_operand): Reinstate code prior to 2005-06-11 change.
4881 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
4882 (and64_2_operand): Tweak to use predicate.
4883 (and_operand): Adjust for mask_operand changes.
4884 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
4885 (print_operand): Likewise.
4886 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
4887 (mask64_1or2_operand): Delete.
4888 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
4889 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
4890 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
4891 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
4892 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
4893 (rotldi3_internal4): Likewise.
4894 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
4895 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
4896 (ashldi3_internal7): Likewise.
4897 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
4898 (ashldi3_internal, ashldi3_internal9 split): Likewise.
4899 (anddi3 split): Don't match mask64_operand.
4900 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
4901 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
4902 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
4903 't' splitter predicate.
4904 (movdi_internal64 + 2): Revert 2005-06-11 change.
4906 2005-08-31 DJ Delorie <dj@redhat.com>
4908 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
4909 (m32c_asm_integer): Add support for 32 bit pointers.
4911 2005-08-31 Richard Henderson <rth@redhat.com>
4913 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
4914 component-like references for setting MEM_NOTRAP_P.
4916 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
4917 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
4919 2005-08-31 Richard Henderson <rth@redhat.com>
4921 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
4922 into a pseudo before applying gen_lowpart.
4924 2005-08-31 Geoffrey Keating <geoffk@apple.com>
4926 * doc/install.texi (Specific): Update cctools version required
4927 for full functionality.
4928 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
4929 linkers as -macosx_version_min.
4931 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
4934 * sh.c (print_operand, %R and %S): Add handling of floating point
4935 registers, memory, constants and invalid operands.
4937 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
4939 * ipa-pure-const.c: Change dump name.
4941 2005-08-31 Uros Bizjak <uros@kss-loka.si>
4944 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
4945 to "reg_or_0_operand".
4946 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
4948 2005-08-31 Dale Johannesen <dalej@apple.com>
4950 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
4951 loops that count down.
4953 2005-08-31 Richard Henderson <rth@redhat.com>
4956 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
4957 (fixup_eh_region_note): New.
4958 (reload_as_needed): Call it.
4959 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
4960 don't call find_many_sub_basic_blocks; call verify_flow_info.
4961 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
4962 (keep_stack_depressed): Likewise.
4963 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
4965 2005-08-31 Richard Henderson <rth@redhat.com>
4967 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
4970 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
4972 * expr.c (expand_expr_real_1): Compare size of address
4973 mode to target's address mode size in deciding expansion of
4974 the constant address.
4976 2005-08-31 Richard Guenther <rguenther@suse.de>
4979 * expr.c (all_zeros_p): New function.
4980 (expand_expr_real_1): Handle the case of an all-zero
4981 non-addressable constructor separately.
4983 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
4985 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
4986 arguments, adjust all callers.
4987 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
4989 2005-08-30 Richard Henderson <rth@redhat.com>
4992 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
4993 whenever the mode sizes match.
4995 2005-08-31 Alan Modra <amodra@bigpond.net.au>
4997 * calls.c (load_register_parameters): Fix comment typo.
4998 * expr.c (emit_push_insn): Comment formatting.
5000 2005-08-30 Ian Lance Taylor <ian@airs.com>
5002 * config/i386/x-cygwin (host-cygwin): Change dependency from
5003 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
5005 2005-08-29 Geoffrey Keating <geoffk@apple.com>
5007 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
5010 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5013 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
5014 call to ggc_collect.
5016 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
5019 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
5020 beginning. Remove $(INCLUDES) from all the rules, if following
5021 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
5023 2005-08-29 Jakub Jelinek <jakub@redhat.com>
5026 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
5027 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
5028 not constant, but maxlen is, don't set len to maxlen, rather
5029 set maxlen to len if len is a constant.
5031 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
5033 PR tree-optimization/23475
5034 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
5037 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
5039 Fix PR middle-end/22455
5041 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
5042 Checksum only the parts of the tree that exist for the tree code.
5044 2005-08-28 Dale Johannesen <dalej@apple.com>
5046 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
5048 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
5050 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
5052 2005-08-28 Richard Henderson <rth@redhat.com>
5054 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
5055 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
5058 2005-08-28 Jakub Jelinek <jakub@redhat.com>
5061 * builtins.c (get_memory_rtx): Don't strip nops
5062 in between COMPONENT_REFs.
5064 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
5067 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
5069 (gimplify_modify_expr): Check for zero sized types and gimplify the
5070 rhs and lhs as statements.
5072 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
5075 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
5076 state for return address column of signal frames.
5078 2005-08-27 David Edelsohn <edelsohn@gnu.org>
5081 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
5082 bytes >= 2 not bytes == 2.
5083 (expand_block_move): Same.
5085 2005-08-27 Richard Guenther <rguenther@suse.de>
5088 * config/i386/sse.md (sse2_movsd): Add missing closing
5091 2005-08-27 Paul Brook <paul@codesourcery.com>
5093 * genrecog.c (enum decision_type): Add DT_num_insns.
5094 (struct decision_test): Add u.num_insns.
5095 (add_to_sequence): Add DT_num_insns test.
5096 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
5097 (write_cond, debug_decision_2): Ditto.
5098 (change_state): Assume peep2_next_insn never fails.
5099 Remove "afterward" argument.
5100 (write afterward, write_tree): Update to match.
5101 * recog.c (peep2_current_count): New variable.
5102 (peep2_next_insn): Check it.
5103 (peephole2_optimize): Set peep2_current_count.
5104 * recog.h (peep2_current_count): Declare.
5106 2005-08-26 Josh Conner <jconner@apple.com>
5109 * ipa-pure-const.c (check_tree): Check for volatile-ness
5110 when considering a dereference.
5112 2005-08-27 Jakub Jelinek <jakub@redhat.com>
5114 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
5116 2005-08-26 Jakub Jelinek <jakub@redhat.com>
5118 PR rtl-optimization/23561
5119 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
5120 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
5121 at most LEN bytes long memory fits into the field.
5122 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
5123 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
5124 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
5126 2005-08-26 Richard Henderson <rth@redhat.com>
5129 * loop.c (biased_biv_may_wrap_p): New.
5130 (maybe_eliminate_biv_1): Use it to suppress non-equality
5131 comparison transformations. Delete disabled code.
5133 2005-08-26 Ian Lance Taylor <ian@airs.com>
5135 * combine.c (make_extraction): Avoid reference outside object.
5137 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
5139 * stor-layout.c (finalize_type_size): Restore behaviour for
5140 non-aggregate types to the status quo ante of the patch for
5141 pr 23467. Document why it matters.
5143 2005-08-26 Jakub Jelinek <jakub@redhat.com>
5146 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
5147 array by one element, initialize the BT_LAST element with NULL.
5149 2005-08-26 David Edelsohn <edelsohn@gnu.org>
5151 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
5152 optimizing for size.
5154 (compare_plus_eqsi): Same.
5155 (plus_eqsi_compare): Same.
5156 (neg_eq0<mode>): Same.
5157 (neg_eq<mode>): Same.
5159 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
5162 2005-08-26 Nick Clifton <nickc@redhat.com>
5164 * config/v850/v850.c (ep_memory_operand): Return FALSE if
5165 TARGET_EP is not defined.
5166 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
5167 TARGET_EP is enabled.
5168 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
5169 * config/v850/v850.md (save_all_interrupt): Only use the EP
5170 register if TARGET_EP is defined.
5171 (restore_all_interrupt): Likewise.
5172 * config/v850/lib1funcs.asm: Update functions so that the EP
5173 register is only used if __EP__ is defined.
5175 2005-08-26 David Ung <davidu@mips.com>
5177 * config/mips/mips.c (mips_expand_prologue): Handle case when
5178 generating for MIPS16 and the outgoing argument area is more than
5179 SMALL_OPERAND. Use the frame pointer as temporary to generate the
5182 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
5184 * config/crx/crx.md: Make doloop_end pattern usage controllable
5185 via mloop-nesting=<max-nesting> command line switch. Make sure
5186 the combiner cannot use doloop_end_<mode> in an illegal way.
5187 * config/crx/crx.c: Use regs up to r6 for argument passing.
5188 Refine crx_address_cost (non cst4 displacements are expensive).
5189 * config/crx/crx.opt: Add switch for mloop-nesting=.
5191 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
5193 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
5194 (UNSPEC_MVST): New constant.
5196 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
5198 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
5199 Reject operands containing eliminable registers.
5200 * testsuite/gcc.dg/20050825-1.c: New testcase.
5202 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5203 Jan Hubicka <jh@suse.cz>
5205 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
5207 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5209 PR tree-optimization/23546
5210 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
5213 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
5215 * params.def (PARAM_MIN_SPEC_PROB): New.
5216 * sched-rgn.c (MIN_PROBABILITY): Delete.
5217 (compute_trg_info): Convert to PARAM_VALUE.
5218 * doc/invoke.texi (param): Document min-spec-prob.
5220 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
5222 * config/darwin.h: define __PIC__
5223 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
5224 TARGET_OS_CPP_BUILTINS macro.
5226 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5228 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
5231 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
5233 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
5235 * cfghooks.c (duplicate_block): Added position where to place
5236 new block as argument.
5237 * cfghooks.h (duplicate_block): Declaration changed.
5238 * cfglayout.c (copy_bbs): Add argument after. Pass it to
5240 * cfglayout.h (copy_bbs): Declaration changed.
5241 * cfgloop.h (loop_version): Declaration changed.
5242 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
5243 position to copy_bbs.
5244 (loop_version): Pass position to duplicate_loop_to_header_edge.
5245 Add place_after argument and position new blocks according to
5247 * modulo-sched.c (sms_schedule): Pass place_after argument
5249 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
5250 * tree-cfg.c (split_edge_bb_loc): New function.
5251 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
5252 to determine position of new blocks.
5253 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
5255 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
5256 argument to duplicate_block.
5257 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
5258 Pass position to copy_bbs.
5260 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
5262 * fold-const.c (ptr_difference_const): Use
5263 cst_and_fits_in_hwi instead of host_integerp.
5265 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5267 * config/darwin.c (gen_pic_offset): New.
5268 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
5271 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
5273 PR tree-optimization/23486
5274 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
5276 2005-08-23 Phil Edwards <phil@codesourcery.com>
5278 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
5279 remove use_collect2.
5280 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
5282 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
5283 configuration files to override the default value.
5285 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
5286 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
5287 * config/vx-common.h: New file, split out from...
5288 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
5289 * config/vxworksae.h: New file, for VxWorks AE.
5290 * config/vxworks.opt: New file.
5291 * config/vxlib.c: Update for VxWorks 6.
5293 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
5294 other MULTILIB_* variables appropriately.
5295 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
5296 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
5297 * config/rs6000/vxworks.h: Update for VxWorks 6.
5298 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
5300 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
5303 * config/darwin.c (machopic_select_section): Remove the hack to
5304 mark "::operator new" and "::operator delete" for coalescing
5305 even though they are not weak.
5307 2005-08-24 Alan Modra <amodra@bigpond.net.au>
5309 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
5310 * configure: Regenerate.
5312 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
5315 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
5317 * convert.c (convert_to_integer, convert_to_vector): Likewise.
5318 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
5321 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
5323 * config/rs6000/predicates.md (equality_operator): New.
5324 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
5325 comparison with a large constant.
5327 2005-08-23 Mark Mitchell <mark@codesourcery.com>
5329 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
5331 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
5333 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
5334 registers is even, and we have a hardware double precision fp,
5336 (sh_gimplify_va_arg_expr): For floating point arguments, consider
5337 size of current argument when checking if argument was passed in
5340 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
5343 * stor-layout.c (finalize_type_size): Dont override
5344 existing alignment with a smaller alignment from the mode.
5346 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
5348 * lambda-code.c (lambda_vector_lexico_pos): Moved...
5349 * lambda.h (lambda_vector_lexico_pos): ... here.
5350 * tree-data-ref.c (build_classic_dist_vector): Return false when
5351 the distance vector is lexicographically negative.
5353 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
5355 PR tree-optimization/23511
5356 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
5357 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
5359 2005-08-23 Jakub Jelinek <jakub@redhat.com>
5361 PR tree-optimization/22043
5362 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
5363 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
5364 If ALLOW_FLEXARR, handle types ending with flexible array member.
5365 Pass false as second argument to recursive count_type_elements calls.
5366 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
5367 argument to count_type_elements call.
5368 * tree-sra.c (decide_block_copy): Likewise.
5369 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
5370 for a constant-sized object, set cleared as well. Pass true as
5371 second argument to count_type_elements call.
5373 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5376 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
5377 from legitimate_small_data_p, and make global. Update use.
5378 Remove forward declaration.
5379 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
5381 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
5383 2005-08-23 David Edelsohn <edelsohn@gnu.org>
5385 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
5386 of scratch intermediates.
5387 (eq<mode>_compare): Same.
5388 (neg_eq0<mode>): New.
5389 (neg_eq<mode>): Convert to define_insn_and_split.
5391 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5394 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
5395 stdarg functions, set/clear the fp marker even when no variable
5397 * config/rs6000/sysv4.opt (mprototype): Describe.
5399 2005-08-22 Jakub Jelinek <jakub@redhat.com>
5401 PR rtl-optimization/23478
5402 * regs.h (reg_info): Add throw_calls_crossed.
5403 (REG_N_THROWING_CALLS_CROSSED): Define.
5404 * flow.c (allocate_reg_life_data): Initialize
5405 REG_N_THROWING_CALLS_CROSSED.
5406 (propagate_one_insn, attempt_auto_inc): Update
5407 REG_N_THROWING_CALLS_CROSSED.
5408 * global.c (global_alloc): Don't allocate pseudos across
5409 calls that may throw.
5411 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
5414 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
5415 value is inbetween the range if we did not find an exact match.
5417 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
5419 * doc/invoke.texi (Option Summary): Add ms1 options.
5420 * doc/extend.texi: Document interrupt handler attribute for ms1.
5421 * doc/md.texi: Document ms1 constraints.
5422 * config.gcc: Add ms1-*-elf.
5423 * config/ms1/ms1.h: New.
5424 * config/ms1/ms1.c: New.
5425 * config/ms1/ms1.md: New.
5426 * config/ms1/ms1-protos.h: New.
5427 * config/ms1/ABI.txt: New.
5428 * config/ms1/crti.asm: New.
5429 * config/ms1/crtn.asm: New.
5430 * config/ms1/lib2extra-funcs.c: New.
5431 * config/ms1/t-ms1: New.
5432 * config/ms1/ms1.opt: New.
5434 2005-08-22 Ira Rosen <irar@il.ibm.com>
5436 * config/rs6000/altivec.md (xorv4sf3): New.
5437 (negv4sf2, neg<mode>2): Likewise.
5439 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
5442 * config/ia64/ia64.md (divsi3): Check divide by zero.
5443 (udivsi3): Likewise.
5445 (udivdi3): Likewise.
5447 2005-08-21 Jakub Jelinek <jakub@redhat.com>
5449 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
5450 up to elem_bitsize bits, not max_bitsize.
5452 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5454 PR tree-optimization/23433
5455 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
5456 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
5458 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5460 PR tree-optimization/23434
5461 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
5462 the iteration bound is not an INTEGER_CST.
5464 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
5466 * tree-vect-transform.c (get_initial_def_for_reduction): Set
5467 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
5468 NULL if need_epilog_adjust is false.
5469 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
5470 Case 3 always peels first itration, not just for PLUS case, and no need
5471 to use scalar_initial_def here. Create an epilog adjustment only if
5472 scalar_initial_def is not NULL.
5474 (vectorizable_reduction): Remove assert.
5476 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
5479 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
5480 (__moddi3): Likewise.
5481 (__udivdi3): Likewise.
5482 (__umoddi3): Likewise.
5483 (__divsi3): Likewise.
5484 (__modsi3): Likewise.
5485 (__udivsi3): Likewise.
5486 (__umodsi3): Likewise.
5488 2005-08-20 Jakub Jelinek <jakub@redhat.com>
5490 * tree-pass.h (TDF_GRAPH): Define.
5491 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
5492 * passes.c (finish_optimization_passes): Only call
5493 finish_graph_dump_file if TDF_GRAPH is set.
5494 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
5495 NULL. Set TDF_GRAPH bit.
5496 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
5498 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
5500 * arm.h (arm_stack_offsets): Add locals_base field.
5501 * arm.c (arm_get_frame_offsets): Compute it.
5502 (thumb_compute_initial_elimination offset): Make the Thumb frame
5503 pointer point to the base of the local variables.
5504 (thumb_expand_prologue): Update accordingly.
5505 (thumb_expand_epilogue): Likewise.
5507 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
5508 mode of clobbered scratch to DImode. Handle a case that's known to
5511 2005-08-19 David Edelsohn <edelsohn@gnu.org>
5513 * config/rs6000/rs6000.md (gt0<mode>): Delete.
5514 (gt0<mode>_compare): Delete.
5515 (neg_gt0<mode>): Delete.
5517 2005-08-19 Eric Christopher <echristo@apple.com>
5519 * optabs.h: Change CTI_ to COI_.
5522 2005-08-19 James E Wilson <wilson@specifix.com>
5524 * builtins.c (expand_builtin_return_addr): Set
5525 current_function_accesses_prior_frames when count != 0. Use
5526 frame_pointer_rtx when count == 0.
5527 * function.h (struct function): Add accesses_prior_frames field.
5528 (current_function_accesses_prior_frames): Define.
5529 * reload1.c (init_elim_table): Check
5530 current_function_accesses_prior_frames.
5531 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
5533 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5535 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
5536 indicator. Return true if the flowgraph changed during
5539 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5542 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
5543 conditional expression before testing its value.
5545 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5547 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
5549 2005-08-19 Devang Patel <dpatel@apple.com>
5551 PR tree-optimization/23048
5552 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
5553 third parameter. Check whether latch is dominated by exit
5555 (if_convertible_loop_p): Supply exit block itself to
5556 if_convertible_bb_p.
5558 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5561 * arm.md (arm_load_pic_register): Change argument to the mask of
5562 saved registers. Call thumb_find_work_register if we need a
5563 scratch register on Thumb.
5564 (arm_expand_prologue): Pass empty register set to
5565 arm_load_pic_register.
5566 (thumb_expand_prologue): Pass live_regs_mask directly to
5567 arm_load_pic_register.
5568 * arm-protos.h (arm_load_pic_register): Update prototype.
5570 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
5572 * sh.c (find_sole_member): New function.
5573 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
5574 if the record's alignment is larger than the size of its only member.
5576 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5579 * arm.c (thumb_legitimize_reload_address): New function.
5580 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
5581 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
5583 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
5585 * config/crx/crx.c: Implement crx_decompose_address. Reject
5586 symbolic displacements since CRX register relative adressing
5587 mode can't handle unsigned 32-bit values as displacements.
5588 * config/crx/crx.h: Simplify definitions, remove redundant
5589 parenthesis and obsolete macros.
5590 * config/crx/crx.opt: Add new switch for debugging addresses.
5591 * config/crx/crx-protos.h: Add new declarations for above.
5593 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
5596 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
5599 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5601 * collect2.c (dup2): Delete.
5602 * configure.ac: Don't check for dup2.
5604 * config.in, configure: Regenerate.
5606 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
5608 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
5609 record with the type of its only member.
5611 2005-08-18 David Edelsohn <edelsohn@gnu.org>
5613 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
5614 define_insn_and_split.
5615 (plus_ltu<mode>_compare): Same.
5616 (gtu<mode>_compare): Same.
5617 (plus_gtu<mode>_compare): Same.
5619 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
5621 PR tree-optimization/22228
5622 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
5624 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
5625 are recorded in vect_vnames_to_rename for renaming.
5626 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
5627 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
5628 in vect_vnames_to_rename.
5629 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
5630 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
5632 2005-08-18 Jan Hubicka <jh@suse.cz>
5635 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
5636 info only for local statics, not for member variables.
5638 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5640 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
5642 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5644 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
5646 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
5649 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
5651 2005-08-17 James E Wilson <wilson@specifix.com>
5653 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5656 2005-08-17 David Edelsohn <edelsohn@gnu.org>
5658 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
5659 (leu<mode>_compare): Same.
5660 (plus_leu<mode>): Same.
5661 (neg_leu<mode>): Same.
5662 (and_neg_leu<mode): Same.
5663 (ltu<mode>_compare): Same.
5664 (plus_ltu<mode>): Same.
5666 (geu<mode>_compare): Same.
5667 (plus_geu<mode>): Same.
5668 (neg_geu<mode>): Same.
5669 (and_neg_geu<mode>): Same.
5670 (plus_gt<mode>): Same.
5671 (gtu<mode>_compare): Same.
5672 (plus_gtu<mode>): Same.
5674 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
5676 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
5677 Move call_table_data to end. Delete spurious .text.
5678 (callt_save_all_interrupt): Fix comment typo.
5680 2005-08-17 James E Wilson <wilson@specifix.com>
5681 Kevin Winchester <winchester@amirix.com>
5684 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
5686 2005-08-17 Uros Bizjak <uros@kss-loka.si>
5689 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
5690 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
5692 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
5694 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
5695 record with the type of its only member if the modes don't match.
5697 * varasm.c (decode_reg_name): Skip empty additional register names.
5699 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5701 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
5702 lsm_tmp_name_length): New.
5703 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
5704 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
5706 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5707 Andreas Krebbel <krebbel1@de.ibm.com>
5709 * config.gcc: Added z9-109 switch.
5710 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
5711 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
5712 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
5713 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5714 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
5715 for "z9_109" cpu attribute.
5716 * config/s390/s390.c (z9_109_cost): New processor cost structure.
5717 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
5718 (s390_handle_arch_option): Added z9-109 switch.
5719 (override_options): Set respective cost function for z9-109.
5720 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
5721 (legitimate_reload_constant_p): Accept extended immediates.
5722 (print_operand): Three new output modifiers added: k, m and o.
5723 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
5724 (s390_output_mi_thunk): Use extended immediate when possible.
5725 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
5726 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
5727 (CONSTRAINT_LEN): Added length of O constraint.
5728 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
5729 * config/s390/s390.md ("cpu"): New value z9_109 added.
5730 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
5731 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
5732 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
5733 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
5734 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
5735 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
5736 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
5737 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
5738 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
5739 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5740 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
5741 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
5742 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
5743 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
5744 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
5746 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
5747 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
5748 insns for TARGET_EXTIMM.
5750 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
5752 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
5754 2005-08-17 Nick Clifton <nickc@redhat.com>
5756 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
5757 Call default_encode_section_info.
5759 2005-08-17 Steven Bosscher <stevenb@suse.de>
5761 PR tree-optimization/21574
5762 * tree-ssa-ccp.c (likely_value): If the right hand side is a
5763 constant, return CONSTANT.
5764 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
5765 (ccp_fold, visit_assignment): Likewise.
5766 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
5768 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5770 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
5771 fold_buildN instead of buildN then fold_initializer or fold.
5772 (build_unary_op): Likewise.
5773 (build_binary_op): Likewise.
5774 * fold-const.c (fold_initializer): Remove.
5775 (fold_build1_initializer): New function.
5776 (fold_build2_initializer): New function.
5777 (fold_build3_initializer): New function.
5778 * tree.h (fold_initializer): Remove.
5779 (fold_build1_initializer): New function.
5780 (fold_build2_initializer): New function.
5781 (fold_build3_initializer): New function.
5783 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5785 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
5786 (try_move_mult_to_index): Call fold_build2 instead of build2.
5787 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
5788 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
5789 fold_binary_to_constant.
5790 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
5792 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
5793 check if A == gcd (A, B). Remove TYPE argument.
5794 (analyze_offset) Use fold_build2 instead of fold (build.
5795 (create_data_ref): Likewise.
5796 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
5797 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
5800 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
5802 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
5803 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
5805 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
5808 * gimplify.c (zero_sized_type): New function.
5809 (gimplify_modify_expr_rhs): If we have a zero sized type,
5810 replace the statement with an empty statement.
5812 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
5814 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
5817 2005-08-16 Ian Lance Taylor <ian@airs.com>
5819 * doc/tm.texi (Label Output): Correct typo.
5821 2005-08-16 Steven Bosscher <stevenb@suse.de>
5824 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
5825 force_operand will work later on using have_insn_for.
5827 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5829 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
5831 2005-08-16 Ian Lance Taylor <ian@airs.com>
5834 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
5835 vector type, don't try to construct it element by element. Add an
5836 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
5838 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5840 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
5842 2005-08-16 Geoffrey Keating <geoffk@apple.com>
5844 * doc/invoke.texi (Precompiled Headers): Document some more options
5845 which are known to be safe.
5847 2005-08-16 James E Wilson <wilson@specifix.com>
5849 PR tree-optimization/21105
5850 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5851 TREE_OVERFLOW check.
5853 2005-08-16 David Edelsohn <edelsohn@gnu.org>
5855 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
5856 (neg_ltu<mode>): Same.
5858 (neg_gtu<mode>): Same.
5860 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5862 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
5863 (fold_builtin_isdigit): Use fold_buildN.
5864 (build_function_call_expr): Likewise.
5865 * c-typeck.c (c_finish_loop): Likewise.
5867 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
5868 Richard Shann <rshann@superh.com>
5870 PR middle-end/20396:
5871 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
5873 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
5875 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
5877 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
5880 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
5881 arm_compure_save_reg0_reg12_mask to determine when the PIC register
5884 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5887 * fold-const.c (build_range_check): Disable optimization for function
5888 pointer expressions on targets that require function pointer
5891 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
5893 * simplify-rtx.c (simplify_const_relational_operation): When
5894 extracting arguments of a COMPARE, recompute the mode as well.
5896 2005-08-15 Ian Lance Taylor <ian@airs.com>
5898 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
5900 2005-08-15 DJ Delorie <dj@redhat.com>
5902 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
5904 (movsi_splittable): Allow, but split, moves to the stack.
5905 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
5908 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5910 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
5911 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
5912 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
5914 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
5915 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
5916 Delete HOST_PTR_PRINTF.
5918 * configure, config.in: Regenerate.
5920 2005-08-15 David Edelsohn <edelsohn@gnu.org>
5922 * config/rs6000/rs6000.md (QHSI): New mode macro.
5923 (wd): Extend mode attr for QImode and HImode
5924 (dbits): New mode attr.
5925 (zero_extend<mode>di2): Convert to mode macro.
5927 2005-08-15 Steve Ellcey <sje@cup.hp.com>
5930 * doc/invoke.texi (-mgnu-ld): Update description.
5933 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5936 * Makefile.in (tree-chrec.o): Depends on real.h.
5937 * tree-chrec.c: Include real.h.
5938 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
5939 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
5940 * tree-scalar-evolution.c (add_to_evolution_1,
5941 interpret_rhs_modify_expr): Ditto.
5943 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5946 * tree-data-ref.c (estimate_niter_from_size_of_data): When
5947 step is negative compute the estimation from init downwards to zero.
5949 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
5951 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
5953 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5955 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
5957 (legitimate_reload_constant_p): Fix handling of lliXX operands.
5958 Accept double-word constants that can be split.
5959 * config/s390/s390.md ("movti"): Use 'P' constraint.
5960 ("*movdi_31", "*movdf_31"): Likewise.
5962 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
5964 Fix PR tree-optimization/22615
5966 * tree-ssa-structalias.c (solution_set_add): Handle
5967 first_vi_for_offset returning NULL.
5968 (do_da_constraint): Ditto.
5969 (do_sd_constraint): Ditto.
5970 (do_ds_constraint): Ditto
5971 (find_func_aliases): Ditto.
5972 (build_constraint_graph): RHS is allowed be ANYTHING.
5973 (first_vi_for_offset): Return NULL if we couldn't find anything at
5976 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5978 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
5979 over memory as first operand.
5981 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
5984 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
5985 available for setting it.
5987 2005-08-14 Ira Rosen <irar@il.ibm.com>
5989 PR tree-optimization/23320
5990 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
5991 data-refs' types instead of base object nullness. Add check for
5992 pointer type data-refs before first location comparison. Remove
5995 2005-08-14 Andreas Schwab <schwab@suse.de>
5997 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
5999 2005-08-13 James E Wilson <wilson@specifix.com>
6001 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
6002 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
6003 -fstack-protector-all, --param ssp-buffer-size): Document.
6004 (-Wvariadic-macros): Alphabetize.
6005 (-fsched-stalled-insns-dep): Add missing 'f'.
6007 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
6010 2005-08-13 David Edelsohn <edelsohn@gnu.org>
6012 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
6013 or indirect address operand.
6014 (EXTRA_ADDRESS_CONSTRAINT): New.
6015 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
6017 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
6019 PR tree-optimization/22236
6020 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
6021 successors and predecessors.
6022 * tree-chrec.c (chrec_convert): Before converting, check that
6023 sequences don't wrap.
6024 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
6025 (analyze_array): Extern.
6026 (find_data_references_in_loop): Remove call to
6027 compute_estimated_nb_iterations.
6028 * tree-data-ref.h (analyze_array): Declared.
6029 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
6030 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
6031 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
6032 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
6034 * tree-ssa-loop-ivcanon.c: Fix documentation.
6035 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
6036 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
6037 (infer_loop_bounds_from_undefined): New.
6038 (estimate_numbers_of_iterations_loop): Use
6039 infer_loop_bounds_from_undefined.
6040 (used_in_pointer_arithmetic_p): New.
6041 (scev_probably_wraps_p): Pass an extra parameter. Call
6042 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
6043 (convert_step): Fix documentation.
6044 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
6045 Use initial_condition_in_loop_num and evolution_part_in_loop_num
6046 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
6047 scev_probably_wraps_p.
6049 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
6051 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
6052 (s390_register_info): Ignore clobbered_regs information for fixed
6053 registers, and only fixed registers.
6054 (s390_init_frame_layout): Remove redundant call.
6056 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
6058 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
6059 description of -Wold-style-casts.
6061 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6062 Jakub Jelinek <jakub@redhat.com>
6064 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6065 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
6066 * config/s390/s390.c (print_operand): New output modifier 'G' added.
6067 (get_thread_pointer): Renamed to s390_get_thread_pointer.
6068 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
6069 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
6070 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
6071 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6072 ("stack_protect_set", "stack_protect_test"): New expanders.
6073 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
6074 "stack_protect_testdi"): New insn definitions.
6076 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6078 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
6080 2005-08-12 Paul Brook <paul@codesourcery.com>
6082 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
6084 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6086 * config/s390/predicates.md (setmem_operand): New predicate.
6087 (shift_count_operand): Accept ANDs with special constants as
6089 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
6090 with special constants.
6091 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
6092 shift_count_operand with setmem_operand.
6094 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6096 * config/s390/s390.c (s390_extract_part, s390_single_part):
6098 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
6099 (s390_output_mi_thunk): Don't use lg on 31 bit.
6100 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
6101 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
6103 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6105 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
6106 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
6107 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
6108 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
6109 with one of the new macros.
6111 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6113 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
6114 Don't set save_return_addr_p.
6115 (s390_register_info): Make clobbered_regs not depending on
6118 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
6120 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
6121 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
6123 2005-08-11 James E. Wilson <wilson@specifix.com>
6125 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
6127 2005-08-11 Jakub Jelinek <jakub@redhat.com>
6129 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
6130 locations gathered by var-tracking in single entry loc_list
6131 over loc_descriptor_from_tree.
6133 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
6134 pass it down to loc_descriptor.
6135 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
6136 (containing_function_has_frame_base): Move earlier in the file.
6137 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
6138 instead of always assuming fbreg can't be used.
6140 2005-08-11 David Edelsohn <edelsohn@gnu.org>
6142 * config/rs6000/altivec.md: Change constraint "m" to "Z".
6143 * config/rs6000/predicates.md (indexed_or_indirect_operand):
6144 Accept address wrapped in AND for Altivec.
6145 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6146 Strip AND wrapping offset address for Altivec.
6148 2005-08-11 Richard Henderson <rth@redhat.com>
6151 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
6152 before using TYPE_IS_SIZETYPE.
6154 2005-08-11 Richard Henderson <rth@redhat.com>
6157 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
6158 insn types not present on ev4.
6159 (alphaev5_insn_pipe): Similarly.
6161 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
6164 * arm.c (arm_override_options): If the user has selected callee-super-
6165 interworking, then enable normal interworking.
6167 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6169 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
6172 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
6174 * doc/rtl.texi: Fix two typos.
6176 2005-08-11 Richard Guenther <rguenther@suse.de>
6179 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
6180 cases where we call to/from functions returning void.
6182 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
6185 * tree.c (build_pointer_type_for_mode): Robustify.
6187 2005-08-10 James E Wilson <wilson@specifix.com>
6189 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
6190 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
6192 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
6195 2005-08-10 Eric Christopher <echristo@apple.com>
6197 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
6198 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
6201 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
6204 * config/darwin.c (machopic_indirect_data_reference): Use a new register
6205 for the high part when generating dynamic-no-pic code.
6207 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
6209 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
6210 (x86_64-*-linux*): Likewise.
6212 * config/i386/crtfastmath.c: New file.
6213 * config/i386/t-crtfm: Likewise.
6215 * config/i386/linux.h (ENDFILE_SPEC): New.
6216 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
6218 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
6221 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
6223 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
6224 (vec_shl, vec_shr): Document new operations.
6225 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
6227 2005-08-10 David Edelsohn <edelsohn@gnu.org>
6229 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
6230 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
6231 change predicate to indexed_or_indirect_address.
6233 2005-08-10 Richard Sandiford <richard@codesourcery.com>
6235 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
6236 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
6237 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
6238 and __aeabi_uwrite8.
6239 * config/arm/unaligned-funcs.c: New file.
6240 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
6242 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
6244 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
6246 * cfglayout.c (pass_insn_locators_initialize): Add dump.
6247 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
6249 * except.c (pass_convert_to_eh_region_ranges): Add dump.
6250 * final.c (pass_shorten_branches): Add dump.
6251 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
6252 (pass_life): Rename dump.
6253 (rest_of_handle_flow2): Remove initial verify_flow_info.
6254 * function.c (pass_instantiate_virtual_regs): Add dump.
6255 * integrate.c (pass_initial_value_sets): Add dump.
6256 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
6257 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
6258 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
6259 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
6260 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
6261 gate_rtl_unrool_and_peel_loops): New.
6262 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
6263 rtl_doloop): Do not look at flags.
6264 * mode-switching.c (pass_mode_switching): Add dump.
6265 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
6266 pass_split_before_regstack): Add dump.
6267 * regmove.c (pass_stack_adjustments): Add dump.
6268 * tree-optimize.c (pass_fixup_cfg): Add dump.
6270 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6273 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
6274 deciding which instruction sequence to use.
6276 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
6278 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
6279 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
6281 2005-08-09 Richard Guenther <rguenther@suse.de>
6283 * c-common.c (builtin_function_2): Remove.
6284 (def_builtin_1): New function.
6285 (c_common_nodes_and_builtins): Use def_builtin_1 to
6286 build builtin functions.
6288 2005-08-09 Jie Zhang <jie.zhang@analog.com>
6290 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
6291 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6292 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
6295 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
6297 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
6298 fold_binary instead of fold_build2 since we don't care about the
6300 (loop_niter_by_eval): Likewise.
6301 (compare_trees): Likewise.
6302 (proved_non_wrapping_p): Likewise.
6304 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
6308 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
6309 if the if is really empty.
6311 2005-08-09 Steven Bosscher <stevenb@suse.de>
6313 PR tree-optimization/23234
6314 * tree-ssa-math-opts.c (place_reciprocal): New enum.
6315 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
6316 argument of the new enum.
6317 (execute_cse_reciprocals): Add reciprocals for function arguments
6318 on the unique successor edge of the entry block. Update other calls
6319 to execute_cse_reciprocals_1.
6321 2005-08-08 Richard Henderson <rth@redhat.com>
6324 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
6326 2005-08-08 Bob Wilson <bob.wilson@acm.org>
6328 * expr.c (write_complex_part): Return after handling MEM.
6330 2005-08-08 Josh Conner <jconner@apple.com>
6332 PR rtl-optimization/23241
6333 * combine.c (simplify_comparison): Fix error in determining
6334 whether to lift a subreg from comparison.
6336 2005-08-08 David Edelsohn <edelsohn@gnu.org>
6339 * config/rs6000/altivec.md (vec_init<mode>): New.
6340 (vec_set<mode>): New.
6341 (vec_extract<mode>): New.
6342 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
6343 (rs6000_expand_vector_set): New.
6344 (rs6000_expand_vector_extract): New.
6345 (rs6000_legitimate_offset_address_p): Offset addresses are valid
6346 for Altivec modes before reload.
6347 (altivec_expand_vec_init_builtin): New.
6348 (get_element_number): New.
6349 (altivec_expand_vec_set_builtin): New.
6350 (altivec_expand_vec_ext_builtin): New.
6351 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
6353 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
6355 * config/rs6000/rs6000.h (rs6000_builtins): Add
6356 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
6357 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
6358 * config/rs6000/rs6000-protos.h: Declare new functions.
6360 2005-08-08 Jan Hubicka <jh@suse.cz>
6362 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
6363 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
6364 * i386.md (movdi*): Use pic_32bit_operand.
6365 * predicates.md (pic_32bit_operand): New.
6367 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
6370 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
6372 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
6374 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
6375 (test_for_singularity): Use fold_build2.
6377 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6379 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
6381 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
6383 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6384 (COMMON_ASM_OP) Define.
6385 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
6386 (ix86_encode_section_info): Likewise.
6387 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
6388 SUBTARGET_ENCODE_SECTION_INFO.
6390 2005-08-06 Richard Henderson <rth@redhat.com>
6393 * tree-nested.c (convert_local_reference): Save and restore val_only
6394 around component_ref and friends. Clear walk_subtrees by default.
6396 2005-08-06 Peter O'Gorman <peter@pogma.com>
6399 * gcc.c (process_command): Check the argument to -b has a dash.
6400 * doc/invoke.texi: Update -b and -V docs.
6402 2005-08-06 James E Wilson <wilson@specifix.com>
6404 * config/mips/cross64.h, config/mips/t-cross64: Delete.
6406 2005-08-06 Michael Matz <matz@suse.de>
6408 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
6409 member only if only one insn is associated with the value.
6411 2005-08-06 Nick Clifton <nickc@redhat.com>
6413 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
6415 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
6416 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
6417 Check symbol flags instead of symbol name mangling.
6418 (xstormy16_asm_output_aligned_common): Likewise. Also
6419 simplify code since the bss100_section cass is the only case
6420 where the below100 code will be triggered.
6421 (xstormy16_encode_section_info): Encode below100 attribute
6422 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
6424 (xstormy16_strip_name_encoding): Delete - this function is no
6426 (TARGET_STRIP_NAME_ENCODING): Undefine.
6427 * config/stormy16/stormy16-protos.h: Delete prototype for
6428 xstormy16_strip_name_encoding.
6430 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
6432 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
6433 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
6434 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
6435 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
6436 config/alpha/predicates.md, config/arc/arc.h,
6437 config/arm/arm.h, config/arm/ieee754-df.S,
6438 config/arm/ieee754-sf.S, config/bfin/bfin.c,
6439 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
6440 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
6441 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
6442 config/m68hc11/m68hc11.h, config/mips/mips.c,
6443 config/mips/mips.h, config/mips/openbsd.h,
6444 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
6445 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
6446 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6447 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
6448 config/sparc/linux.h, config/sparc/linux64.h,
6449 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
6450 doc/extend.texi, doc/gcov.texi, doc/install.texi,
6451 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
6452 typos. Follow spelling conventions.
6454 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
6457 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
6458 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
6459 specially. Check for side effects only for COND_EXPR.
6460 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
6461 return with TREE_NO_WARNING.
6463 2005-08-06 Richard Sandiford <richard@codesourcery.com>
6465 PR rtl-optimization/23233
6466 * loop.c (combine_movables): Require the modes to be the same.
6467 (move_movables): Remove handling of cases where the replacement
6468 had a different mode to the original.
6470 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
6472 PR tree-optimization/23128
6473 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
6474 subtraction wrap, and set TREE_OVERFLOW if they do.
6476 2005-08-05 Richard Henderson <rth@redhat.com>
6479 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
6480 FORCED_LABEL labels.
6482 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
6485 * reload.c (find_reloads_subreg_address): Pass down TYPE
6486 unchanged. Change all callers except find_reloads_toplev.
6488 2005-08-05 Michael Matz <matz@suse.de>
6490 * genattrtab.c (current_alternative_string): Remove.
6491 (SIMPLIFY_ALTERNATIVE): Ditto.
6492 (attr_alt_bit_p): Ditto.
6493 (alternative_name): Make const char *.
6494 (evaluate_eq_attr): Remove use of above things.
6495 (simplify_test_exp): Ditto.
6496 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
6497 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
6499 2005-08-04 James E Wilson <wilson@specifix.com>
6501 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
6502 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
6503 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
6504 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
6505 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
6507 2005-08-04 Richard Henderson <rth@redhat.com>
6510 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
6511 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
6512 * tree-sra.c (decide_block_copy): Use it. Disable element copy
6513 if we'd have to instantiate too many members.
6515 2005-08-04 Richard Henderson <rth@redhat.com>
6518 * tree-outof-ssa.c (coalesce_asm_operands): New.
6519 (coalesce_ssa_name): Use it. Split out ...
6520 (coalesce_phi_operands, coalesce_result_decls): ... these.
6522 2005-08-04 Paul Brook <paul@codesourcery.com>
6524 * read-rtl.c (read_quoted_string): Break if EOF.
6526 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
6528 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
6529 (fold_build2): Likewise.
6530 (fold_build3): Likewise.
6531 (fold_build1_stat): New function prototype.
6532 (fold_build2_stat): Likewise.
6533 (fold_build3_stat): Likewise.
6534 * fold-const.c (fold_build1): Rename to ..
6535 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6536 through to build1_stat.
6537 (fold_build2): Rename to ..
6538 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6539 through to build2_stat.
6540 (fold_build3): Rename to ..
6541 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6542 through to build3_stat.
6544 2005-08-04 David Edelsohn <edelsohn@gnu.org>
6545 Ian Lance Taylor <ian@airs.com>
6547 * function.c (assign_stack_local_1): Do not correct stack slot
6548 address if allocation size is smaller than mode size.
6550 2005-08-04 Diego Novillo <dnovillo@redhat.com>
6553 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
6554 (tree_merge_blocks): Propagate anything allowed by
6556 Clarify documentation.
6557 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
6558 SSA form, schedule an update if necessary.
6560 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
6562 * doc/install.texi (Binaries): Remove broken link to
6563 Sinix/Reliant Unix binaries.
6565 2005-08-03 Richard Henderson <rth@redhat.com>
6568 * function.c (stack_protect_epilogue): Export.
6569 * tree.h (stack_protect_epilogue): Declare.
6570 * calls.c (expand_call): Call it.
6572 2005-08-03 Eric Christopher <echristo@apple.com>
6574 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
6575 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
6578 2005-08-04 Jan Hubicka <jh@suse.cz>
6580 * profile.c (branch_prob): Split edges with goto locus on them
6581 to get proper line counts.
6582 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
6584 2005-08-03 Paul Brook <paul@codesourcery.com>
6586 * function.c (assign_parms): Round current_function_args_size
6587 to PARM_BOUNDARY, not STACK_BOUNDARY.
6589 2005-08-03 Geoffrey Keating <geoffk@apple.com>
6591 * config/i386/i386.c (x86_elf_aligned_common)
6592 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
6594 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
6596 PR tree-optimization/23157
6597 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
6598 before emitting them.
6600 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6602 PR tree-optimization/19899
6603 * Makefile.in (tree-scalar-evolution.o): Add real.h.
6604 * tree-scalar-evolution.c: Include real.h.
6605 (add_to_evolution): Build constant -1 of correct type.
6607 2005-08-03 Jan Hubicka <jh@suse.cz>
6609 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
6610 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
6611 profile updating for complette unrolling.
6612 * loop-unroll.c (peel_loop_completely): Use it.
6613 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
6614 (tree_unroll_loops_completely): Disable code growing unrolling of cold
6617 2005-08-03 Paul Brook <paul@codesourcery.com>
6619 * combine.c (can_change_dest_mode): New function.
6620 (try_combine, simplify_set): Use it.
6622 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
6624 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
6627 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
6629 * doc/install.texi (Specific): Adjust link to openavr.org.
6630 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
6631 (Binaries): Adjust HP-UX Porting Center link.
6632 (Binaries): Adjust Free Software Foundation ordering link.
6634 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
6636 * convert.c (convert_to_integer): Use fold_build1 instead of
6637 build1 when converting an integer to an integer.
6639 2005-08-02 Richard Henderson <rth@redhat.com>
6641 * combine.c (combine_instructions): Don't use reg_equal/equiv
6642 results if the mode doesn't match.
6644 2005-08-02 Mark Mitchell <mark@codesourcery.com>
6646 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
6647 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
6649 2005-08-02 Richard Henderson <rth@redhat.com>
6652 * explow.c (memory_address): Remove special-case for
6653 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
6655 2005-08-02 Diego Novillo <dnovillo@redhat.com>
6658 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
6659 number of calls to cleanup_tree_cfg_1.
6661 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
6663 * doc/invoke.texi: document file extensions .F90 and .F95
6665 2005-08-02 Richard Guenther <rguenther@suse.de>
6667 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
6668 positive if its first argument is positive.
6670 2005-08-02 Richard Guenther <rguenther@suse.de>
6672 PR tree-optimization/23177
6673 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
6676 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
6678 PR tree-optimization/23129
6679 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
6680 varying for divisions with anti-ranges.
6682 2005-08-02 Jan Hubicka <jh@suse.cz>
6684 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
6685 * tree-ssa-threadupdate.c (thread_block): Add it here.
6687 2005-08-01 James E Wilson <wilson@specifix.com>
6689 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
6690 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
6691 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
6693 * config/mips/predicates.md (const_call_insn_operand): Add check for
6694 SYMBOL_REF_LONG_CALL_P.
6695 * doc/extend.texi (long_call): Document the new attribute.
6697 2005-08-01 Ian Lance Taylor <ian@airs.com>
6698 Richard Henderson <rth@redhat.com>
6700 * Makefile.in (RTL_BASE_H): Add real.h.
6701 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6703 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
6705 * rtl.c (rtl_check_failed_code_mode): New.
6706 * rtl.h (struct rtx_def): Add u.rv.
6707 (XCMWINT, XCNMPRV): New.
6708 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
6709 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
6711 2005-08-01 Richard Henderson <rth@redhat.com>
6713 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
6714 with auto-inc codes.
6716 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
6718 2005-08-01 Jan Hubicka <jh@suse.cz>
6720 * i386-protos.h (asm_preferred_eh_data_format): Declare.
6721 * i386.c: Include dwarf2.h
6722 (asm_preferred_eh_data_format): New.
6723 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
6725 2005-08-01 Ian Lance Taylor <ian@airs.com>
6727 * config/host-linux.c (linux_gt_pch_get_address): Add new name
6728 randomize_va_space for virtual address randomization control.
6730 2005-08-01 Steven Bosscher <stevenb@suse.de>
6732 * common.opt (flag_ipa_cp): Put in right place to maintain
6735 2005-08-01 Jan Hubicka <jh@suse.cz>
6737 * profile.c (compute_value_histograms): Fix thinko.
6738 * value-prof.c: Include toplev.h
6739 (check_counter): New function.
6740 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
6741 tree_mod_subtract_transform): Add sanity check.
6743 2005-08-01 Richard Guenther <rguenther@suse.de>
6745 PR tree-optimization/23133
6746 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
6747 current functions parameter decls to find defs to cse
6750 2005-08-01 Richard Guenther <rguenther@suse.de>
6752 PR tree-optimization/23109
6753 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
6754 If trapping math is in effect, use post-dominator information
6755 to check if we'd in any case reach a trapping point before
6756 doing the reciprocal insertion.
6757 (execute_cse_reciprocals): Compute post-dominators, if necessary.
6758 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
6759 expressions are invariant only if trapping math is not in effect.
6761 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6763 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
6764 cgraph_function_versioning): New declarations.
6765 * cgraphunit.c: Add include to ipa-prop.h.
6766 (update_call_expr, cgraph_copy_node_for_versioning,
6767 cgraph_function_versioning): New functions.
6768 * integrate.c (copy_decl_for_inlining): Remove.
6769 * ipa-prop.h (ipa_replace_map): New struct.
6770 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
6771 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
6772 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
6773 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
6774 ipcp_iterate_stage, ipcp_method_scale_print,
6775 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
6776 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
6777 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
6778 ipcp_update_bb_counts, ipcp_update_profiling,
6779 ipcp_update_edges_counts): New functions.
6780 (ipcp_method_cval_init): Remove restriction regarding local methods.
6781 (ipcp_init_stage): Add ipcp_method_compute_scale.
6782 (ipcp_insert_stage): Add versioning.
6783 (ipcp_structures_print): Add ipcp_method_scale_print.
6784 (ipcp_driver): Dump profiling info.
6785 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
6786 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
6787 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
6788 (struct inline_data): Add versioning_p, ipa_info, new fields.
6789 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
6790 declare_return_variable): Replace calls to copy_decl_for_inlining with
6792 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
6794 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
6795 Add argument VERSIONING.
6796 (copy_arguments_for_versioning, copy_static_chain,
6797 function_versionable_p, tree_versionable_function_p,
6798 tree_function_versioning, replace_ref_tree): New functions.
6799 * tree-inline.h: Include varray.h.
6800 (tree_versionable_function_p, tree_function_versioning,
6801 tree copy_decl_for_dup): New declarations.
6803 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6805 * ipa-cp.c: New file. Contains IPCP specific functionality.
6806 * ipa-prop.h: New file. Contains structures/definitions that can be
6807 used by several interprocedural data flow optimizations (and also IPCP).
6808 * ipa-prop.c: New file.
6809 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
6810 * common.opt: Add ipa-cp flag.
6811 * timevar.def: Add IPCP optimization.
6812 * tree-optimize.c (init_tree_optimization_passes): Schedule
6814 * tree-pass.h (pass_ipa_cp): Declare.
6816 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
6818 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
6819 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
6820 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
6821 config/i386/i386.c, config/mips/mips.h,
6822 config/rs6000/rs6000.h, config/sh/sh.c,
6823 config/stormy16/stormy16.c: Fix comment typos.
6825 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
6828 * c-typeck.c (build_binary_op): Use common_type wrapper on
6830 (common_type): Update comment.
6832 2005-07-31 Steven Bosscher <stevenb@suse.de>
6835 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
6836 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
6837 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
6839 2005-07-31 Jan Hubicka <jh@suse.cz>
6841 * pretty-print.h (pp_widest_integer): New macro.
6842 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
6845 2005-07-31 Jan Hubicka <jh@suse.cz>
6847 * output.h (enum section_category): Export from varasm.c
6848 (categorize_decl_for_section): Likewise.
6849 * varasm.c (enum section_category): Kill.
6850 (categorize_decl_for_section): Make global.
6851 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
6853 * i386.c (ix86_section_threshold): New static variable.
6854 (ix86_in_large_data_p, ix86_encode_section_info,
6855 x86_64_elf_unique_section,
6856 x86_64_elf_select_section): New functions.
6857 (TARGET_ENCODE_SECTION_INFO): Define
6858 (override_options): Enable medium model for PIC.
6859 (ix86_expand_prologue): Expand gen_set_got_rex64.
6860 (legitimate_constant_p): Handle new UNSPECs.
6861 (legitimate_pic_address_disp_p): Likewise.
6862 (legitimize_pic_address): Lower MEDIUM model addressing.
6863 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
6864 (enum cmodel): Add MEDIUM_PIC.
6865 (SYMBOL_REF_FAR_ADDR_P): New macro.
6866 (SYMBOL_FLAG_FAR_ADDR): New flag.
6867 * i386.md (movdi): Support medium model.
6868 (set_got_rex64): New pattern.
6869 * i386.opt (mlarge-data-threshold): New flag.
6870 * predicates.md (zext_operand/sext_operand): Deal with medium model.
6871 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
6872 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
6873 TARGET_ASM_UNIQUE_SECTION): New.
6875 * invoke.texi (-mlarge_data_threshold): Document
6877 2005-07-31 Jan Hubicka <jh@suse.cz>
6879 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
6880 (coalesce_vars): Likewise.
6881 * tree-ssa-live.c (coalesce_cost): New.
6882 (build_tree_conflict_graph): Use coalesce_cost.
6883 * tree-ssa-live.h (coalesce_cost): Declare.
6885 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
6887 * arm.md (all peepholes for post-increment operations): Delete.
6888 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
6889 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
6890 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
6891 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
6892 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
6894 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
6896 * fold-const.c (tree_expr_nonnegative_p): Always return true for
6899 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
6902 * doc/invoke.texi: Document -rdynamic.
6904 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
6907 * c-parser.c (c_parser_parms_list_declarator): Call
6908 mark_forward_parm_decls.
6909 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
6910 decls with visibility structure.
6912 2005-07-30 Paul Brook <paul@codesourcery.com>
6914 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
6916 2005-07-30 Paul Brook <paul@codesourcery.com>
6918 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
6920 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
6922 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
6924 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6927 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
6928 nested function declarators.
6929 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
6930 (grokparms): Call warn_if_shadowing for parameters used within the
6932 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
6933 not used within the parameter list.
6934 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
6936 2005-07-30 Jan Hubicka <jh@suse.cz>
6938 * expr.c (expand_expr_real_1): Do not load mem targets into register.
6939 * i386.c (ix86_fixup_binary_operands): Likewise.
6940 (ix86_expand_unary_operator): Likewise.
6941 (ix86_expand_fp_absneg_operator): Likewise.
6942 * optabs.c (expand_vec_cond_expr): Validate dest.
6944 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6947 * real.c (real_from_string): Also set last bit if there is a
6948 nonzero hex digit beyond GCC's internal precision after ".".
6950 2005-07-29 David Edelsohn <edelsohn@gnu.org>
6952 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
6953 define_constants. Change duplicate values to unassigned numbers.
6954 Change UNSPEC_SUBS to UNSPEC_VSUBS.
6955 (*altivec_vspltsf): New.
6956 (altivec_vperm_v4sf): Delete.
6957 (altivec_vperm_<mode>): Use mode macro V.
6958 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
6959 (altivec_predicate_v4sf): Delete.
6960 (altivec_predicate_<mode>): Use mode macro V.
6961 (*altivec_lvesfx): New.
6962 (*altivec_stvesfx): New.
6963 (vec_realign_load_v4sf): Delete.
6964 (vec_realign_load_<mode>): Use mode macro V.
6965 * config/rs6000/rs6000.c (generate_set_vrsave): Use
6968 2005-07-29 Mark Mitchell <mark@codesourcery.com>
6971 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
6973 * configure: Regenerated.
6975 2005-07-29 Paul Brook <paul@codesourcery.com>
6977 * doc/install.texi: Add link to GFortran binaries wiki page.
6979 2005-07-29 David Ung <davidu@mips.com>
6981 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
6982 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
6983 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
6984 * config/mips/mips.md (cpu): Add 5kf name.
6985 (includes): Includes 5k.md.
6986 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
6987 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
6990 2005-07-29 Diego Novillo <dnovillo@redhat.com>
6993 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
6994 (cleanup_tree_cfg): ... here.
6995 Call cleanup_tree_cfg_1 until there are no more cleanups to
6998 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
7000 * tree-vrp.c (compare_range_with_value): Return true or false
7001 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
7002 EQ_EXPR respectively.
7004 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
7006 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
7009 2005-07-29 Diego Novillo <dnovillo@redhat.com>
7011 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
7012 (tree_ssa_dominator_optimize): Increment it.
7013 (dump_dominator_optimization_stats): Print it.
7015 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
7016 Steven Bosscher <stevenb@suse.de>
7018 PR rtl-optimization/23117
7019 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
7020 when head == tail. Tidy comment.
7022 2005-07-28 Richard Henderson <rth@redhat.com>
7024 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
7025 * cselib.c (rtx_equal_for_cselib_p): Likewise.
7026 * jump.c (rtx_renumbered_equal_p): Likewise.
7027 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
7028 CONST_INT and CONST_DOUBLE.
7029 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
7030 * reload.c (operands_match_p): Special case CONST_INT and
7031 CONST_DOUBLE; check mode earlier.
7033 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7036 * c-typeck.c (convert_for_assignment): Do not check
7037 DECL_IN_SYSTEM_HEADER on NULL fundecl.
7039 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7042 * c-typeck.c (composite_type): Prefer constant size arrays to
7045 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7048 * real.c (real_from_string): Set last bit if there is a nonzero
7049 hex digit beyond GCC's internal precision.
7051 2005-07-28 Richard Henderson <rth@redhat.com>
7054 * cfgcleanup.c (try_forward_edges): Watch out for end of
7057 2005-07-28 James E Wilson <wilson@specifixinc.com>
7060 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
7062 2005-07-28 Jan Hubicka <jh@suse.cz>
7064 * Makefile.in (rtl-profile.o): Kill all traces of it.
7065 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
7066 * coverage.h (rtl_coverage_counter_ref): Kill.
7067 * opts.c (flag_speculative_prefetching_set): Kill.
7068 (flag_loop_optimize_set): New.
7069 (common_handle_option): Disable loop optimizer when profiling;
7070 do not handle speculative prefetching.
7071 * passes.c (init_optimization_passes): Replace pass_profiling combo
7072 by branch_prob pass.
7073 * profile.c (compute_value_histograms): Update for simplified value
7075 (rtl_register_profile_hooks): Kill.
7076 (pass_profiling): Kill.
7077 (rest_of_handle_branch_prob): Do not profile.
7078 * toplev.c (process_options): Remove speculative prefetching.
7079 * toplev.h (flag_tree_based_profiling): Kill.
7080 * tree-profile.c (prepare_instrumented_value,
7081 tree_gen_interval_profiler, tree_gen_pow2_profiler,
7082 tree_gen_one_value_profiler, do_tree_profiling): Update for
7083 simplified datastructures.
7084 * value-prof.c: Add comment that speculative prefetching was dropped;
7085 update rest of file for simplified datastructures.
7086 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
7087 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
7088 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
7089 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
7090 rtl_mod_subtract, gen_speculative_prefetch,
7091 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
7092 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
7093 (gate_handle_value_profile_transformations,
7094 rest_of_handle_value_profile_transformations,
7095 pass_value_profile_transformations): Kill.
7096 * value-prof.h (histogram_value_t): Remove IL based unions.
7097 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
7098 rtl_profile_hooks): Remove hooks.
7100 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
7102 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
7103 (cgraph_clone_node): Likewise.
7104 * cgraph.h (cgraph_clone_edge): Update prototype.
7105 (cgraph_clone_node): Likewise.
7106 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
7108 (lookup_recursive_calls): Consider profile.
7109 (cgraph_decide_recursive_inlining): Fix updating; use new
7110 probability argument; use profile.
7111 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
7112 * tree-inline.c (copy_bb): Update clal of clone_edge.
7113 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
7115 * invoke.texi (min-inline-recursive-probability): Document.
7117 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
7119 * doc/install.texi (Configuration): Update Valgrind homepage.
7121 2005-07-28 Richard Henderson <rth@redhat.com>
7124 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
7125 labels we want to delete.
7126 (cfg_layout_merge_blocks): Likewise.
7128 2005-07-28 Richard Henderson <rth@redhat.com>
7131 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
7132 when expanding to nothing.
7134 2005-07-28 Josh Conner <jconner@apple.com>
7136 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
7137 (cgraph_decide_inlining_of_small_functions): Likewise.
7139 2005-07-28 Josh Conner <jconner@apple.com>
7141 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
7142 direction of badness if negative.
7143 (cgraph_default_inline_p): Add reason to parameters, and assign it
7145 (cgraph_decide_inlining_of_small_functions): New parameter in call
7146 to cgraph_default_inline_p.
7147 (cgraph_decide_inlining_incrementally): Likewise.
7148 * cgraphunit.c (decide_is_function_needed): Likewise.
7149 * cgraph.h (cgraph_default_inline_p): Likewise.
7151 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7153 * builtins.c: Fix comment typo(s).
7154 * genautomata.c: Likewise.
7155 * gimplify.c: Likewise.
7156 * tree-dfa.c: Likewise.
7157 * tree-flow-inline.h: Likewise.
7158 * tree-into-ssa.c: Likewise.
7159 * tree-ssa-alias.c: Likewise.
7160 * tree-ssa-ccp.c: Likewise.
7161 * tree-ssa-copy.c: Likewise.
7162 * tree-ssa-dce.c: Likewise.
7163 * tree-ssa-dom.c: Likewise.
7164 * tree-ssa-operands.c: Likewise.
7165 * tree-tailcall.c: Likewise.
7166 * tree-vectorizer.c: Likewise.
7167 * tree-vrp.c: Likewise.
7170 2005-07-28 Jeff Law <law@redhat.com>
7172 * tree-vrp.c (test_for_singularity): Extracted from ...
7173 (simplify_cond_using_ranges): Attempt to simplify a relational
7174 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
7176 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
7178 PR tree-optimization/22506
7179 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
7180 phis whose argument is constant.
7182 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
7184 PR rtl-optimization/18992
7185 Back out this patch:
7186 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7187 PR optimization/12142
7188 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
7189 uses of the register in the SET_SRC. Remove unnecessary argument.
7191 Replace it with this:
7192 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
7193 if flag_non_call_exceptions is set and the insn may trap, pass
7194 pc_rtx as dest for recursion.
7195 In SET_SRC part of SET case, if dest is already set, pass it down
7198 2005-07-28 Jan Hubicka <jh@suse.cz>
7200 * cfg.c (update_bb_profile_for_threading): Use RDIV.
7201 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
7202 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
7204 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
7205 profile when available.
7207 2005-07-28 Jan Beulich <jbeulich@novell.com>
7209 * config/ia64/ia64.c (ia64_load_pair_ok): New.
7210 (ia64_print_operand): Describe and handle 'X'.
7211 (ia64_register_move_cost): Also handle FP_REGS.
7212 (ia64_preferred_reload_class): Likewise.
7213 (ia64_secondary_reload_class): Likewise.
7214 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
7215 it. Also check for ITANIUM_CLASS_FLDP.
7216 * config/ia64/ia64.h (FP_REGNO_P): New.
7217 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
7218 (reg_class): Add FP_REGS.
7219 (REG_CLASS_NAMES): Adjust for it.
7220 (REG_CLASS_CONTENTS): Likewise.
7221 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
7222 (REG_CLASS_FROM_LETTER): Handle 'x'.
7223 (CLASS_MAX_NREGS): Handle FP_REGS.
7224 (MEMORY_MOVE_COST): Likewise.
7225 * config/ia64/ia64.md (itanium_class): Add fldp.
7226 (type): Handle fldp.
7227 (movti_internal): More allowable operand combinations. Use ldfp8 when
7228 splitting unnecessary. Remove predicable attribute. Adjust
7229 itanium_class attribute.
7230 (smuldi3_highpart): Remove outdated comment.
7231 (mulditi3, umulditi3, rotlti3): New expanders.
7232 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
7233 (absti2): Disabled new insn for future reference.
7234 Respective new splitters.
7235 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
7236 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
7237 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
7239 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
7241 PR rtl-optimization/23047
7242 * simplify-rtx.c (simplify_const_relational_operation): Respect
7243 flag_wrapv for comparisons with ABS.
7245 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
7247 PR tree-optimization/22493
7248 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
7249 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
7251 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
7253 * config/frv/frv.opt (moptimize-membar): New.
7255 * doc/invoke.texi: Document -moptimize-membar and its inverse.
7257 * config/frv/frv.h: Remove machine_function definition.
7259 * config/frv/frv.c (struct frv_io): New.
7260 (struct machine_function): Moved from frv.h. Add has_membar_p.
7261 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
7262 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
7263 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
7264 (frv_optimize_membar_global, frv_optimize_membar): New functions.
7265 (frv_reorg): Call frv_optimize_membar when appropriate.
7266 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
7267 (frv_expand_builtin): Adjust calls accordingly.
7268 (frv_io_address_cookie): New function.
7269 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
7270 load or store rather than a special insn. Add ccnstant address and
7271 io-type operands to the membar.
7272 (frv_ifcvt_modify_tests): Unsign regno.
7273 (frv_ifcvt_modify_tests): Same.
7275 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
7276 UNSPEC_OPTIONAL_MEMBAR constant.
7277 (builtin_read_<mode>): Delete.
7278 (builtin_write_<mode>): Delete.
7279 ("optional_membar_<mode>"): Add operand.
7281 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
7282 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
7283 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
7284 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
7285 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
7286 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
7287 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
7288 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
7289 * testsuite/gcc.target/frv/all-read-write-1.c: New.
7291 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
7293 * df.c (df_uses_record): Handle SCRATCH.
7295 2005-07-28 Steven Bosscher <stevenb@suse.de>
7298 * passes.c (rest_of_decl_compilation): If decl is a type and
7299 we have encountered errors, don't emit debug information.
7301 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7303 * params.def: Fixed comment.
7305 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
7308 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
7309 (TARGET_ASM_UNALIGNED_HI_OP): Add.
7310 (TARGET_ASM_UNALIGNED_SI_OP): Add.
7312 2005-07-27 Steven Bosscher <stevenb@suse.de>
7315 * varasm.c (assemble_start_function): Don't do anything that may
7316 require a CFG if the current function is a thunk.
7318 2005-07-25 Geoffrey Keating <geoffk@apple.com>
7320 * doc/install.texi (Prerequisites): Mention that perl is needed
7321 to do export control in libstdc++ targetting Darwin.
7323 2005-07-27 Steven Bosscher <stevenb@suse.de>
7325 PR rtl-optimization/17808
7326 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
7327 (sched_insns_conditions_mutex_p): Split out from...
7328 (add_dependence): ...here. But don't call it from here.
7329 (add_dependence_list): Check sched_insns_conditions_mutex_p
7330 before calling add_dependence.
7331 (add_dependence_list_and_free): Likewise.
7332 (fixup_sched_groups): Likewise.
7333 (sched_analyze_1): Likewise.
7334 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
7335 (sched_analyze): Likewise.
7336 (sched_analyze_insn): Likewise.
7337 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
7338 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
7339 dependencies on all COND_EXEC insns to jumps ending basic blocks
7340 when doing intrablock scheduling.
7341 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
7343 2005-07-27 Jeff Law <law@redhat.com>
7345 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
7346 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
7347 equivalency sets, correctly handle the case were vr0 has an
7348 equivalency set, but vr1 does not.
7350 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
7352 PR tree-optimization/23073
7353 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
7354 vect_print_dump_info before fprintf.
7356 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7358 PR tree-optimize/22348
7359 * tree-ssa-loop-niter.c (number_of_iterations_cond):
7360 Fold the partial computation.
7362 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7364 PR tree-optimization/22325
7365 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
7367 * tree-scalar-evolution.c (scev_const_prop): Add generic final
7369 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
7370 (force_var_cost): ... this function.
7371 (compute_phi_arg_on_exit): Export.
7373 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7375 PR tree-optimization/20773
7376 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
7379 2005-07-27 Richard Guenther <rguenther@suse.de>
7381 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
7382 Avoid pushing again if current struct contains only
7383 fields we decomposed.
7385 2005-07-27 Jan Hubicka <jh@suse.cz>
7387 PR tree-optimization/22574
7388 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
7391 * tree-tailcall.c (decrease_profile): New function.
7392 (eliminate_tail_call): Use it.
7394 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
7395 visibility flags correctly in whole program mode.
7397 2005-07-26 Steve Ellcey <sje@cup.hp.com>
7399 PR rtl-optimization/22472
7400 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
7402 2005-07-26 Steven Bosscher <stevenb@suse.de>
7404 PR tree-optimization/22504
7405 * tree-complex.c (expand_complex_addition): Use 'code' instead
7406 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
7408 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7410 * config.gcc (cpu_type): Add frv case.
7411 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
7412 (supported_defaults): Add fr550 case.
7414 2005-07-26 Diego Novillo <dnovillo@redhat.com>
7417 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
7418 whether a pointer of type T * may point to objects of type T *.
7420 2005-07-26 DJ Delorie <dj@redhat.com>
7422 * configure: Regenerate.
7424 2005-07-26 Dale Johannesen <dalej@apple.com>
7426 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
7428 2005-07-26 Mark Mitchell <mark@codesourcery.com>
7430 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
7431 Clarify use of "build" in name.
7433 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7435 * doc/extend.texi (Raw read/write Functions): New section.
7436 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
7437 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
7438 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
7439 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
7440 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
7441 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
7442 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
7443 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
7444 * config/frv/frv.c: Add bdesc_loads global.
7445 Add bdesc_stores global.
7446 (frv_init_builtins): Add support for __builtin_{read/write}*.
7447 (frv_volatile_memref): New.
7448 (frv_expand_load_builtin): New.
7449 (frv_expand_store_builtin): New.
7450 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
7451 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
7452 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
7453 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
7454 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
7455 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
7456 (builtin_read_<mode>): New.
7457 (builtin_write_<mode>): New.
7458 (builtin_write64): New.
7459 (optional_membar_<mode>): New.
7461 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
7463 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
7464 (rather than units) against HOST_BITS_PER_WIDE_INT.
7466 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
7468 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
7469 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
7470 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
7471 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
7474 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
7475 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
7476 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
7478 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
7480 2005-07-26 Richard Guenther <rguenther@suse.de>
7482 PR tree-optimization/22486
7483 * fold-const.c (fold_unary): Fold away useless component
7484 references of the form (T *)&T.x, if the address
7487 2005-07-25 James E Wilson <wilson@specifixinc.com>
7489 * dwarf2out.c (add_call_src_coords_attributes): New.
7490 (gen_inlined_subroutine_die): Call it.
7491 (maybe_emit_file, init_file_table): Add comments.
7492 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
7494 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
7495 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
7496 * tree.h (BLOCK_SOURCE_LOCATION): New.
7497 (struct tree_block): New field locus.
7499 2005-07-26 Andreas Schwab <schwab@suse.de>
7501 PR rtl-optimization/23043
7502 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
7503 when allocating a struct unoccr.
7505 2005-07-25 Richard Henderson <rth@redhat.com>
7508 * tree-complex.c (gate_no_optimization): True if errors.
7509 * Makefile.in (tree-complex.o): Update dependencies.
7511 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
7513 * config/frv/predicates.md (integer_register_operand): Use
7516 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7519 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
7521 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
7523 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7525 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
7526 types when flag_unsafe_math_optimizations is true.
7528 2005-07-25 Mark Mitchell <mark@codesourcery.com>
7530 * gcc.c (option_map): Add --sysroot.
7531 (process_command): Handle --sysroot.
7532 (display_help): Document it.
7533 * doc/cppopts.tex (-isysroot): Document.
7534 * doc/invoke.texi (--sysroot): Document.
7535 * doc/install.texi (--with-build-sysroot): Document.
7537 * Makefile.in (inhibit_libc): New variable.
7538 (INHIBIT_LIBC_CFLAGS): Likewise.
7539 (LIBGCC2_CFLAGS): Include
7540 $(INHIBIT_LIBC_CFLAGS).
7541 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
7542 ($(T)crtbegin.o): Do not use @inhibit_libc@.
7543 ($(T)crtend.o): Likewise.
7544 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
7545 ($(T)crtendS.o): Likewise.
7546 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
7547 ($(T)crtendT.o): Likewise.
7548 (stmp-fixinc): Do not complain about missing headers if
7550 * configure.ac (inhibit_libc): Set it to true/false.
7551 (--with-build-sysroot): New option. Use it to set
7553 * configure: Regenerated.
7555 2005-07-25 Manfred Hollstein <mh@suse.com>
7557 * calls.c (store_one_arg): Fix unsigned comparison warning.
7559 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
7562 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
7563 (ggc_print_statistics): Initialize variable before use.
7565 2005-07-25 Richard Guenther <rguenther@suse.de>
7567 * tree-dfa.c (mark_new_vars_to_rename): Protect against
7568 calling with a PHI_NODE argument.
7570 * tree-flow-inline.h (overlap_subvar): Protect against
7573 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
7575 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
7576 * configure: Regenerate.
7578 2005-07-25 Ira Rosen <irar@il.ibm.com>
7580 * expr.c (highest_pow2_factor): Make extern.
7581 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
7582 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7583 record_array_differ_p, array_ptr_differ_p): Likewise.
7584 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
7585 additional cases. Call the above functions.
7586 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
7587 base_object_differ_p when there are two base objects. Otherwise, compare
7588 base address and offset. Call may_alias_p.
7589 (dump_data_reference): Use a correct field name.
7590 (analyze_array): Make static. Initialize new data-ref fields.
7591 (analyze_indirect_ref): New function.
7592 (init_data_ref): Initialize new data-ref fields.
7593 (strip_conversion): Moved from tree-vect-analyze.c.
7594 (analyze_offset_expr, get_ptr_offset, address_analysis,
7595 object_analysis): Likewise.
7596 (analyze_offset): New function.
7597 (create_data_ref): Likewise.
7598 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
7599 dimensions for ARRAY_REFs only.
7600 (build_classic_dist_vector): Make static.
7601 (access_functions_are_affine_or_constant_p): Call macro to get the
7602 address of access functions.
7603 (compute_all_dependences): Add new parameter
7604 compute_self_and_read_read_dependences. Compute self and read-read
7605 dependences if it is true.
7606 (find_data_references_in_loop): Call create_data_ref. Initialize new
7608 (compute_data_dependences_for_loop): Add new parameter
7609 compute_self_and_read_read_dependences. Remove parameter nb_loops,
7610 compute nb_loops. Call compute_all_dependences,
7611 build_classic_dist_vector and build_classic_dir_vector with correct
7613 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
7614 with correct parameters. Compare dimensions for ARRAY_REFs only.
7615 (free_data_refs): Call macro to free access functions.
7616 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
7617 fields from stmt_vinfo.
7618 (struct base_object_info): New structure.
7619 (struct data_reference): Move fields to base_object_info. Add fields
7620 first_location and object_info for above structures. Move fields from
7621 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
7622 aligned_to. Add macros to access the new fields.
7623 Update functions declarations.
7624 * tree-flow.h (is_aliased_with): Declare.
7625 * tree-loop-linear.c (linear_transform_loops): Call
7626 compute_data_dependences_for_loop with correct parameters.
7627 * tree-ssa-alias.c (is_aliased_with): New function.
7628 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
7629 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
7630 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
7631 vect_base_addr_differ_p, compute_subscript_distance and
7632 build_classic_dist_vector. Add printings. Check absolute value of
7634 (vect_analyze_data_ref_dependences): Go through ddrs instead of
7636 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
7637 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
7638 to bytes. Add printing.
7639 (vect_compute_data_refs_alignment): Go through loads and stores in one
7641 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
7642 vect_analyze_data_ref_access): Likewise.
7643 (vect_analyze_pointer_ref_access): Remove.
7644 (vect_address_analysis, vect_object_analysis): Likewise.
7645 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
7646 and analyze data-refs in the loop.
7647 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
7648 fields of data-ref instead of stmt. Add init to the offset from the
7650 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
7651 (vect_update_init_of_dr): Likewise.
7652 (vect_update_inits_of_drs): Go through loads and stores in one loop.
7653 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
7655 (new_loop_vec_info): Initialize new fields.
7656 (destroy_loop_vec_info): Free new fields.
7657 (vect_strip_conversion): Remove.
7658 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
7659 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7660 datarefs. Add new field ddrs.
7661 Add macros for the new fields access.
7662 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
7663 base_aligned_p, misalignment, memtag, ptr_info and subvars.
7664 Remove their macros.
7665 * tree.h (highest_pow2_factor): Declare.
7667 2005-07-25 Jakub Jelinek <jakub@redhat.com>
7669 * calls.c (store_one_arg): Check for sibling call MEM arguments
7670 from already clobbered incoming argument area.
7672 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7674 * c-common.c (check_missing_format_attribute): New.
7675 * c-common.h (check_missing_format_attribute): Likewise.
7676 * c-typeck.c (convert_for_assignment): Use it.
7678 2005-07-24 Andreas Schwab <schwab@suse.de>
7680 * config/m68k/m68k.md ("extendqidi2"): When source is an address
7681 register use a word move. Correct operand of ext.w in 68000 code.
7683 2005-07-23 Mark Mitchell <mark@codesourcery.com>
7685 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
7686 variables as declarations, rather than definitions.
7688 2005-07-24 Ira Rosen <irar@il.ibm.com>
7690 PR tree-optimization/22526
7691 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
7694 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7696 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
7697 that C99 reserve for future use. Use it to define clog10,
7698 clog10f and clog10l.
7700 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7702 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
7703 * configure.ac: Check for -Wmissing-format-attribute.
7705 * configure: Regenerate.
7707 2005-07-23 Richard Henderson <rth@redhat.com>
7709 PR tree-optimization/22623
7710 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
7712 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
7715 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
7717 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7719 * Makefile.in (C_TREE_H): Update dependencies.
7720 * c-tree.h: Include toplev.h.
7721 * diagnostic.h (diagnostic_set_info): Add format attribute.
7722 * rtl-error.c (diagnostic_for_asm): Likewise.
7724 2005-07-23 Chao-ying Fu <fu@mips.com>
7726 * config/mips/mips-dsp.md: New file.
7727 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
7728 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
7730 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
7731 MIPS_BUILTIN_BPOSGE32.
7732 (mips_expand_builtin_direct): Add one parameter to indicate that
7733 builtin functions need to return a value.
7734 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
7736 (mips_regno_to_class): Add classes for 12 new DSP registers.
7737 (mips_subword): Change to check four HI registers.
7738 (mips_output_move): Output move to and from 6 new DSP accumulators.
7739 (override_options): Make sure -mdsp and -mips16 are not used together.
7740 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
7742 (mips_conditional_register_usage): Disable 6 new DSP accumulators
7744 (print_operand): Add 'q' for printing DSP accumulators.
7745 (mips_cannot_change_mode_class): Check ACC_REGS.
7746 (mips_secondary_reload_class): Check ACC_REGS.
7747 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
7748 (mips_register_move_cost): Check ACC_REGS.
7749 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
7750 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
7751 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
7752 (dsp_bdesc): New array.
7753 (bdesc_arrays): Add DSP builtin function table.
7754 (mips_prepare_builtin_arg): Check predicate again after
7756 (mips_expand_builtin): Add one more parameter to
7757 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
7758 MIPS_BUILTIN_BPOSGE32.
7759 (mips_init_builtins): Initialize new function types.
7760 (mips_expand_builtin_direct): Check if builtin functions need to
7761 return a value and pass operands properly.
7762 (mips_expand_builtin_bposge): New function.
7763 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
7764 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
7765 (FIRST_PSEUDO_REGISTER): Increase to 188.
7766 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
7767 Update for 12 new DSP registers.
7768 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
7769 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
7770 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
7771 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
7772 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
7773 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
7774 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
7775 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
7776 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
7777 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
7778 (REGISTER_NAMES): Add names for 12 new DSP registers.
7779 * config/mips/mips.md: Include mips-dsp.md.
7780 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
7781 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
7782 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
7783 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
7784 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
7785 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
7786 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
7787 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
7788 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
7789 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
7790 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
7791 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
7792 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
7793 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
7794 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
7795 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
7796 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
7797 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
7798 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
7799 (UNSPEC_RDDSP): New constants.
7800 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
7801 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
7803 * config/mips/mips.opt (-mdsp): New option.
7804 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
7805 (reg_imm10_operand): New predicates.
7806 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
7807 * doc/invoke.texi (-mdsp): Document new option.
7809 2005-07-22 DJ Delorie <dj@redhat.com>
7811 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
7813 * tree-inline.c (inlinable_function_p): Likewise.
7815 2005-07-22 Mark Mitchell <mark@codesourcery.com>
7818 * toplev.c (check_global_declarations): Do not mark undefined
7819 variables as DECL_IGNORED_P.
7820 * varasm.c (first_global_object_name): GTY it.
7821 (weak_global_object_name): Likewise.
7822 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
7823 a string to go into {weak,first}_global_object_name.
7825 2005-07-22 DJ Delorie <dj@redhat.com>
7827 * c-format.c (check_function_format): Change warning control
7828 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
7830 2005-07-22 Diego Novillo <dnovillo@redhat.com>
7832 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
7833 &PTR->FLD a dereference of PTR.
7834 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
7835 a potential dereference of PTR.
7837 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
7839 PR rtl-optimization/20370
7840 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
7841 call allocate_reg_info if necessary.
7843 PR rtl-optimization/21848
7844 * calls.c (emit_library_call_value_1): For const functions, add
7845 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
7847 PR rtl-optimization/22445
7848 * cselib.c (target.h): Include.
7849 (rtx_equal_for_cselib_p): Allow commutative matches.
7850 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
7851 Remove MODE parameter. Changed all callers.
7853 PR rtl-optimization/22258
7854 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
7856 (try_combine): Use likely_spilled_retval_p.
7858 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
7860 * config.gcc: Add crx-elf support.
7862 * doc/contrib.texi: Mention crx.
7863 * doc/extend.texi: Document crx extensions.
7864 * doc/install.texi: Document crx install.
7865 * doc/invoke.texi: Document crx options.
7866 * doc/md.texi: Document crx constraints.
7868 * config/crx/crx-protos.h: New file.
7869 * config/crx/crx.c: New file.
7870 * config/crx/crx.h: New file.
7871 * config/crx/crx.md: New file.
7872 * config/crx/crx.opt: New file.
7873 * config/crx/t-crx: New file.
7875 2005-07-22 Manfred Hollstein <mh@suse.com>
7877 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
7879 (int_add_graph_edge): Likewise.
7880 (collapse_nodes): Likewise.
7881 (process_unification_queue): Likewise.
7883 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7884 Laurent GUERBY <laurent@guerby.net>
7886 PR tree-optimization/22336
7887 * function.c (record_block_change): Check for
7888 cfun->ib_boundaries_block.
7890 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
7892 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
7893 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
7895 2005-07-21 DJ Delorie <dj@redhat.com>
7897 * toplev.c (warn_deprecated_use): Add warning control to warning
7899 * c-typeck.c (parser_build_binary_op): Likewise.
7900 (c_finish_if_stmt): Likewise.
7901 * c-common.c (check_function_sentinel): Likewise.
7902 (check_nonnull_arg): Likewise.
7904 2005-07-21 Richard Henderson <rth@redhat.com>
7907 * tree-complex.c (complex_ssa_name_components): New.
7908 (cvc_lookup): Allow entry not found.
7909 (create_components): Remove.
7910 (create_one_component_var, get_component_var): New.
7911 (get_component_ssa_name, set_component_ssa_name): New.
7912 (extract_component): Use get_component_ssa_name.
7913 (update_complex_components): Use set_component_ssa_name.
7914 (update_complex_components_on_edge): Likewise.
7915 (update_phi_components): Create new PHI nodes directly, instead
7916 of adding insns to edges.
7917 (tree_lower_complex): Allocate and free complex_variable_components
7918 and complex_ssa_name_components here.
7920 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
7922 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
7923 revert to returning false.
7925 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7928 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
7930 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7933 * config/i386/i386.md (cmpxf): Change operand constraints
7934 to "nonmemory_operand".
7936 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7938 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
7940 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7943 * fold-const.c (fold_build1): Add checksum for the operands.
7944 (fold_build2): Likewise.
7945 (fold_build3): Likewise.
7947 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7950 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
7952 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7954 * common.opt (-fforward-propagate): Committed by mistake,
7957 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7959 * reg-stack.c: Fix comment typo(s).
7960 * tree-ssa-operands.c: Likewise.
7961 * tree-vectorizer: Likewise.
7963 2005-07-21 Nick Clifton <nickc@redhat.com>
7965 * config/sh/symbian.c: Replace C++ style line comments with C
7966 style line comments.
7967 (symbian_add_attribute): Do not use a ? operator on the LHS of
7969 (sh_symbian_handle_dll_attribute): Change the type of the
7970 method vector to "VEC(tree,gc)*" and use vector accessor
7971 macros to walk over the elements.
7972 (symbian_export_vtable_and_rtti_p): Likewise.
7973 (symbian_class_needs_attribute_p): Likewise.
7975 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7978 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
7979 initialize targetm.resolve_overloaded_builtin here.
7980 (altivec_expand_overloaded_builtin): Make it non-static.
7981 * config/rs6000/rs6000-protos.h
7982 (altivec_expand_overloaded_builtin): New prototype.
7983 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
7984 targetm.resolve_overloaded_builtin here.
7985 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
7987 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7988 Zdenek Dvorak <dvorakz@suse.cz>
7990 PR tree-optimization/19210
7991 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
7993 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
7994 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
7995 rely on unproven assumptions.
7996 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
7997 * tree-flow.h (number_of_iterations_exit): Add final parameter.
7998 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
7999 to number_of_iterations_exit.
8000 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
8001 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
8002 * tree-ssa-loop-niter.c (find_loop_niter,
8003 estimate_numbers_of_iterations_loop): Likewise.
8004 (number_of_iterations_exit): Honor the new options.
8005 * doc/invoke.texi (Wunsafe-loop-optimizations,
8006 funsafe-loop-optimizations): Document them.
8008 2005-07-21 Richard Sandiford <richard@codesourcery.com>
8010 PR rtl-optimization/22167
8011 * gcse.c (hoist_code): Fix hoist_exprs[] check.
8013 2005-07-20 Adam Nemet <anemet@lnxw.com>
8015 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
8016 __do_global_dtors_aux longcall.
8018 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
8020 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
8021 (old_special_pred_table): Don't reference
8022 SPECIAL_MODE_PREDICATES.
8023 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
8024 * config/arc/arc.h: Don't mention PREDICATE_CODES.
8025 * config/sh/predicates.h: Don't mention
8026 SPECIAL_MODE_PREDICATES.
8027 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
8030 2005-07-20 DJ Delorie <dj@redhat.com>
8032 * config.gcc: Add m32c-elf support.
8034 * doc/contrib.texi: Mention m32c.
8035 * doc/extend.texi: Document m32c extensions.
8036 * doc/install.texi: Mention m32c.
8037 * doc/invoke.texi: Document m32c options.
8038 * doc/md.texi: Document m32c constraints.
8040 * config/m32c/addsub.md: New file.
8041 * config/m32c/bitops.md: New file.
8042 * config/m32c/cond.md: New file.
8043 * config/m32c/jump.md: New file.
8044 * config/m32c/m32c-lib1.S: New file.
8045 * config/m32c/m32c-lib2.c: New file.
8046 * config/m32c/m32c-modes.def: New file.
8047 * config/m32c/m32c-pragma.c: New file.
8048 * config/m32c/m32c-protos.h: New file.
8049 * config/m32c/m32c.abi: New file.
8050 * config/m32c/m32c.c: New file.
8051 * config/m32c/m32c.h: New file.
8052 * config/m32c/m32c.md: New file.
8053 * config/m32c/m32c.opt: New file.
8054 * config/m32c/minmax.md: New file.
8055 * config/m32c/mov.md: New file.
8056 * config/m32c/muldiv.md: New file.
8057 * config/m32c/predicates.md: New file.
8058 * config/m32c/prologue.md: New file.
8059 * config/m32c/shift.md: New file.
8060 * config/m32c/t-m32c: New file.
8062 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
8064 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8065 (stack_protect_set, stack_protect_test): New expanders.
8066 (stack_protect_set_si, stack_protect_set_si_media,
8067 stack_protect_set_di_media, stack_protect_test_si,
8068 stack_protect_test_si_media, stack_protect_test_di_media):
8071 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
8073 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
8075 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
8077 * tree.h (tree_expr_nonzero_p): Export.
8078 * fold-const.c (tree_expr_nonzero_p): Likewise.
8079 Return true for CALL_EXPRs that are alloca calls.
8080 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
8082 * tree-flow.h (expr_computes_nonzero): Remove.
8083 * tree-vrp.c (expr_computes_nonzero): Remove.
8084 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
8085 (extract_range_from_unary_expr): Likewise.
8086 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
8087 tree_expr_nonzero_p.
8089 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
8091 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
8092 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
8093 extra arg "picreg" and use it instead of pic_offset_table_rtx.
8094 All callers changed.
8095 (frame_related_constant_load): New arg "related" which controls
8096 setting of RTX_FRAME_RELATED_P. All callers changed.
8097 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
8098 (bfin_expand_prologue): Add stack limit checking.
8099 * config/bfin/bfin.md (trapifcc): New pattern.
8101 * config/bfin/bfin.c: Include "langhooks.h".
8102 (def_builtin): Go through lang_hooks to call builtin_function.
8104 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
8105 * config/bfin/predicates.md (symbol_ref_operand): New.
8106 (call_insn_operand): Delete. All callers changed to use
8107 register_no_elim_operand.
8108 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
8110 (function_arg): Use it to generate the call's operand 2.
8111 (bfin_longcall_p): New function.
8112 (bfin_expand_call): Extra arg "cookie". All callers and declaration
8113 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
8114 determine if the address needs to be in a REG.
8115 (bfin_handle_longcall_attribute): New function.
8116 (bfin_attribute_table): Add "longcall" and "shortcall".
8117 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
8118 (CUMULATIVE_ARGS): New member call_cookie.
8119 (PREDICATE_CODES): Add symbol_ref_operand.
8120 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
8121 extra USE to the pattern.
8122 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
8123 New patterns, split off call_insn, sibcall_insn, call_value_insn and
8124 sibcall_value_insn; now the new patterns handle direct calls and the
8125 old ones indirect calls.
8126 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
8128 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
8130 * doc/trouble.texi: Update section on handling of empty loops.
8132 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
8134 * config.gcc: Remove support for sparc-*-openbsd*,
8135 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
8137 * config.host: Remove support for i860-*-sysv4* as a host.
8138 * config/i860/*, config/ip2k/*, config/ns32k/*,
8139 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
8140 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
8141 mention obsolete ports.
8143 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
8145 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
8147 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
8148 of frame_pointer_rtx.
8149 (sh_expand_epilogue): Likewise.
8150 (sh_set_return_address): Likewise.
8151 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
8152 instead of FRAME_POINTER_REGNUM if needed. Add elimination
8153 offsets from FRAME_POINTER_REGNUM.
8154 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
8155 (sh_register_names): Add initializer for sfp.
8156 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
8157 (VALID_REGISTER_P): Likewise.
8158 (FIRST_PSEUDO_REGISTER): Update.
8159 (DWARF_FRAME_REGISTERS): Define.
8160 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
8161 (HARD_FRAME_POINTER_REGNUM): Define.
8162 (FRAME_POINTER_REGNUM): Redefine.
8163 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
8164 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
8165 from FRAME_POINTER_REGNUM.
8166 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
8167 FRAME_POINTER_REGNUM.
8168 (REG_CLASS_CONTENTS): Add sfp.
8169 (REG_ALLOC_ORDER): Likewise.
8170 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
8171 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
8172 of frame_pointer_rtx.
8173 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
8175 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
8177 * fold-const.c (tree_expr_nonnegative_p): Only return true for
8178 ABS_EXPR when flag_wrapv is false because of INT_MIN.
8179 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
8181 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
8184 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
8186 Make CONSTRUCTOR use VEC to store initializers.
8187 * c-common.c (complete_array_type): Update to cope with VEC in
8189 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
8190 (pp_c_constructor_elts): New function.
8191 * c-pretty-print.h (pp_c_constructor_elts): Declare.
8192 * c-typeck.c (build_function_call, build_c_cast, digest_init,
8193 struct constructor_stack, struct initializer_stack,
8194 constructor_elements, push_init_level, pop_init_level,
8195 add_pending_init, find_init_member, output_init_element): Update to
8196 cope with VEC in CONSTRUCTOR_ELTS.
8197 * coverage.c (build_fn_info_value, build_ctr_info_value,
8198 build_gcov_info): Likewise.
8199 * expr.c (categorize_ctor_elements_1, store_constructor,
8200 expand_expr_real_1): Likewise.
8201 * fold-const.c (fold_ternary): Likewise.
8202 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
8203 gimplify_init_constructor, gimplify_expr): Likewise.
8204 * tree-dump.c (dequeue_and_dump): Likewise.
8205 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
8207 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
8209 * tree-sra.c (generate_element_init_1): Likewise.
8210 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
8211 * tree-ssa-operands.c (get_expr_operands): Likewise.
8212 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
8213 * tree-vect-transform.c (vect_get_vec_def_for_operand):
8214 (get_initial_def_for_reduction): Likewise.
8215 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
8216 value handle in annotations.
8217 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
8218 tree_node_structure): Add support for constr_kind.
8219 (build_vector_from_ctor, build_constructor_single,
8220 build_constructor_from_list): New functions.
8221 (build_constructor): Update to take a VEC instead of a TREE_LIST.
8222 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
8223 Update to cope with VEC in CONSTRUCTOR_ELTS.
8224 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
8225 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
8226 CONSTRUCTOR_APPEND_ELT): New macros.
8227 (struct constructor_elt, struct tree_constructor): New data types.
8228 (union tree_node): Add tree_constructor field.
8229 * treestruct.def: Define TS_CONSTRUCTOR.
8230 * varasm.c (const_hash_1, compare_constant, copy_constant,
8231 compute_reloc_for_constant, output_addressed_constants,
8232 initializer_constant_valid_p, output_constant,
8233 array_size_for_constructor, output_constructor): Update to cope with
8234 VEC in CONSTRUCTOR_ELTS.
8235 * vec.h (VEC_empty, VEC_copy): New macros.
8237 2005-07-19 Devang Patel <dpatel@apple.com>
8239 * dbxout.c (dbxout_type): Check Objective-C++ lang.
8241 2005-07-19 Richard Henderson <rth@redhat.com>
8244 * gimplify.c (gimplify_expr): Use main variant type for the temp
8245 destination for a discarded volatile read.
8246 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
8247 casts between non-void types that change volatility.
8249 2005-07-15 DJ Delorie <dj@redhat.com>
8251 * toplev.h: Add comment about the first parameter for warning().
8252 * errors.h: Likewise.
8254 * c.opt (Wpragmas): New.
8255 * doc/invoke.texi: Document it.
8257 * function.c (do_warn_unused_parameter): Add warning control to
8259 * c-decl.c (warn_if_shadowing): Likewise.
8260 * c-lex.c (cb_def_pragma): Likewise.
8261 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
8262 (pop_alignment): Likewise.
8263 (handle_pragma_pack): Likewise.
8264 (apply_pragma_weak): Likewise.
8265 (handle_pragma_weak): Likewise.
8266 (handle_pragma_redefine_extname): Likewise.
8267 (add_to_renaming_pragma_list): Likewise.
8268 (handle_pragma_extern_prefix): Likewise.
8269 (maybe_apply_renaming_pragma): Likewise.
8270 (handle_pragma_visibility): Likewise.
8272 * config/c4x/c4x-c.c (BAD): Likewise.
8273 (c4x_parse_pragma): Likewise.
8274 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
8275 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
8276 (rs6000_pragma_longcall): Likewise.
8277 * config/v850/v850-c.c (pop_data_area): Likewise.
8278 (ghs_pragma_section): Likewise.
8279 (ghs_pragma_section): Likewise.
8280 (ghs_pragma_interrupt): Likewise.
8281 (ghs_pragma_starttda): Likewise.
8282 (ghs_pragma_startsda): Likewise.
8283 (ghs_pragma_startzda): Likewise.
8284 (ghs_pragma_endtda): Likewise.
8285 (ghs_pragma_endsda): Likewise.
8286 (ghs_pragma_endzda): Likewise.
8288 2005-07-19 Danny Berlin <dberlin@dberlin.org>
8289 Kenneth Zadeck <zadeck@naturalbridge.com>
8291 * Makefile.in: Removed tree-promote-statics.c
8292 * tree-promote-statics.c: Removed.
8293 * common.opt: Removed flag-promote-statics.
8295 * passes.c: Removed tree-promote-statics pass.
8296 * tree-pass.h: Ditto.
8297 * timevar.def: Removed TV_PROMOTE_STATICS.
8300 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
8302 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
8304 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
8306 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8309 * c-common.c (check_function_arguments): Call
8310 'check_function_format' if either -Wformat or
8311 -Wmissing-format-attribute are specified.
8312 * c-format.c (check_function_format): Check -Wformat before
8313 calling 'check_format_info'.
8314 * c-opts.c (c_common_post_options): Don't warn for
8315 -Wmissing-format-attribute without -Wformat.
8316 * c-typeck.c (convert_for_assignment): Detect additional cases for
8317 -Wmissing-format-attribute.
8318 * doc/invoke.texi (-Wmissing-format-attribute): Document new
8321 2005-07-19 Richard Guenther <rguenther@suse.de>
8323 * config/i386/i386.md (lrint<mode>2): Use temporary
8324 instead of clobbering non-existent memory.
8326 2005-07-19 Nick Clifton <nickc@redhat.com>
8328 * config/avr/avr.c (legitimate_address_p): Fix debugging print
8329 statement to avoid displaying ASCII control characters.
8331 2005-07-19 Ben Elliston <bje@au.ibm.com>
8333 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
8334 * cfganal.c (find_edge_index): Ditto.
8335 * combine.c (combine_instructions): Ditto.
8336 * ddg.c (create_scc): Ditto.
8337 (find_successors): Ditto.
8338 (find_predecessors): Ditto.
8339 (find_nodes_on_paths): Ditto.
8340 (longest_simple_path): Ditto.
8341 * flow.c (update_life_info): Ditto.
8342 (count_or_remove_death_notes): Ditto.
8343 (clear_log_links): Ditto.
8344 * modulo-sched.c (generate_reg_moves): Ditto.
8345 (find_max_asap): Ditto.
8346 (find_max_hv_min_mob): Ditto.
8347 (find_max_dv_min_mob): Ditto.
8348 * sbitmap.c (sbitmap_first_set_bit): Ditto.
8349 * sched-rgn.c (extract_edgelst): Ditto.
8350 * tree-into-ssa.c (prepare_names_to_update): Ditto.
8351 (dump_update_ssa): Ditto.
8352 (ssa_names_to_replace) Ditto.
8353 (switch_virtuals_to_full_rewrite): Ditto.
8354 (update_ssa): Ditto.
8355 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
8357 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
8359 Fix PR tree-optimization/22483
8361 * tree-complex.c (create_components): Use
8362 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
8363 * tree-flow-inline.h (fill_referenced_var_vec): New function.
8364 * tree-flow.h (safe_referenced_var_iterator): New structure.
8365 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
8366 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
8367 safe_referenced_var iterator.
8368 (add_type_alias): Ditto.
8370 2005-07-19 Steven Bosscher <stevenb@suse.de>
8372 * loop-init.c (rest_of_handle_loop2): Remove.
8373 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
8374 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
8375 (pass_rtl_loop_init, pass_rtl_loop_done,
8376 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
8377 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
8378 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
8379 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
8380 pass_tree_loop_done, and pass_tree_unswitch.
8381 (gate_loop): Rename to gate_tree_loop.
8382 * passes.c (init_optimization_passes): Update for renamed tree
8383 loop passes. Add the new loop2 passes as subpasses of loop2.
8384 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
8385 Update for the renamed tree loop passes.
8387 2005-07-18 Ian Lance Taylor <ian@airs.com>
8390 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
8391 blocks when optimizing.
8393 2005-07-18 Steve Ellcey <sje@cup.hp.com>
8395 * common.opt (frename-registers): Initialize to 2.
8397 (fgcse-after-reload): Ditto.
8398 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
8399 (process_options): Only change flag_web, flag_rename_registers,
8400 and flag_rerun_cse_after_loop if not explicitly set by user.
8402 2005-07-18 Jan Beulich <jbeulich@novell.com>
8404 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
8405 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
8406 in 64-bit mode the same as DImode in 32-bit mode.
8407 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
8408 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
8409 mode. Add new mode parameter.
8410 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
8411 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
8412 x86_64_shift_adj): New expanders.
8413 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
8414 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
8416 Respective new splitters. Use renamed shift splitter helpers in 32-bit
8417 DImode shift splitters.
8418 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
8419 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
8422 2005-07-18 Jan Beulich <jbeulich@novell.com>
8424 * i386.md (movdi_extzv_1): New.
8425 (zero_extendhidi2): Combine alternatives and never force use of
8427 (zero_extendqidi2): Likewise. Don't restrict input selection.
8429 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8431 Fix PR tree-optimization/22531
8432 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
8435 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8437 * tree-promote-statics.c (pass_promote_statics): Change dump file
8440 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8442 * tree-optimize.c (init_tree_optimization_passes): Add
8443 pass_eliminate_useless_stores pass.
8444 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
8445 * tree-ssa-pre.c (is_copy_stmt): New function.
8446 (follow_copies_till_vuse): Ditto.
8447 (do_eustores): Ditto.
8448 (gate_eustores): Ditto.
8450 2005-07-16 Richard Henderson <rth@redhat.com>
8452 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
8454 2005-07-16 Danny Berlin <dberlin@dberlin.org>
8455 Kenneth Zadeck <zadeck@naturalbridge.com>
8457 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
8458 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
8459 ipa-type-escape.h, tree-promote-statics.c
8460 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
8461 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
8462 tree-promote-statics.c: new files.
8463 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
8464 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
8465 int nonlocal_set_p, mark_constant_function): Deleted.
8466 (rest_of_handle_cfg): Removed call to mark_constant_function.
8467 (nonoverlapping_component_refs_p): Added calls to support
8468 type based aliasing.
8469 * tree-ssa-alias.c (may_alias_p,
8470 compute_flow_insensitive_aliasing): Ditto.
8471 * calls.c (flags_from_decl_or_type): Removed reference to
8473 * c-typeck.c (convert_arguments): Make builtins tolerant of having
8474 too many arguments. This is necessary for Spec 2000.
8475 * cgraph.h (const_function, pure_function): Removed.
8476 * common.opt: Added "fipa-pure-const", "fipa-reference",
8477 "fipa-type-escape", and "ftree-promote-static".
8479 * passes.c: Added ipa and tree-promote-statics passes.
8480 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
8481 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
8482 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
8483 * tree-flow.h: Added exposed sra calls and addition of
8484 reference_vars_info field for FUNCTION_DECLS.
8485 * tree-pass.h: Added passes.
8486 * tree-sra.c: (sra_init_cache): New function.
8487 (sra_insert_before, sra_insert_after) Made public.
8488 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
8490 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
8491 aliasing. (may_alias_p): Added code to use type escape analysis to
8493 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
8494 code to prune clobbers of static variables based on information
8495 produced in ipa-reference pass. Changed call clobbering so that
8496 statics are not marked as clobbered if the call does not clobber
8499 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
8501 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
8504 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8506 * doc/install.texi (*-*-solaris2*): Document recommended version
8507 of GNU binutils and mention GNU linker problem on Solaris 10.
8509 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
8512 * c-decl.c (c_build_bitfield_integer_type): New function.
8513 (finish_struct): Call it.
8514 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
8516 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8518 * c-typeck.c (digest_init): Call 'convert_for_assignment'
8521 2005-07-16 Jan Hubicka <jh@suse.cz>
8523 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
8524 (scale_bbs_frequencies_int): Watch roundoff errors.
8525 * predict.c (return_prediction): Initialize return_stmt.
8527 2005-07-16 Jan Hubicka <jh@suse.cz>
8529 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
8530 after RTL profiling.
8532 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
8535 * fold-const.c (build_range_check): Convert high/low to etype
8536 if we are only comparing against exp.
8538 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
8540 Fix PR tree-optimization/22376
8541 * tree-ssa-structalias.c (build_constraint_graph): We really meant
8543 (need_to_solve): New function.
8544 (compute_points_to_sets): Use it.
8546 2005-07-15 Jan Hubicka <jh@suse.cz>
8548 * cfg.c (update_bb_profile_for_threading): More diagnostic.
8549 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
8551 2005-07-15 Richard Guenther <rguenther@suse.de>
8553 * c-common.c (handle_flatten_attribute): New function.
8554 Add flatten function attribute.
8555 * doc/extend.texi: Document flatten function attribute.
8556 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
8557 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8559 (cgraph_decide_inlining): Handle functions with flatten
8562 2005-07-14 David Edelsohn <edelsohn@gnu.org>
8564 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
8565 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
8566 UNSPEC_XCHG, UNSPEC_AND): New.
8567 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
8568 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
8569 * config/rs6000/sync.md (FETCHOP): New code macro.
8570 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
8572 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
8573 (sync_compare_and_swap<mode>): Same.
8574 (sync_lock_test_and_set<mode>): Same.
8575 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
8576 for QImode and HImode, and not PPC405.
8577 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
8578 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
8579 (sync_<fetchop>{si,di}_internal): New.
8580 (sync_nand{si,di}_internal): New.
8581 (sync_old_<fetchop>{si,di}_internal): New.
8582 (sync_old_nand{si,di}_internal): New
8583 (sync_new_<fetchop>{si,di}_internal): New.
8584 (sync_new_nand{si,di}_internal): New.
8585 (atomic_and{si,di}): New.
8586 (sync_new_nand{si,di}_internal): New.
8587 (atomic_and{si,di}): New.
8588 (sync_add<mode>_internal): Delete.
8589 (sync_addshort_internal): Use unspec instead of unspec_volatile.
8590 (sync_sub<mode>_internal): Delte.
8591 (sync_subshort_internal): New.
8592 (sync_andsi_internal): Use unspec instead of unspec_volatile.
8593 (sync_anddi_internal): Delete.
8594 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
8595 (sync_booldi_internal): Delete.
8596 (sync_boolc<mode>_internal): Delete.
8597 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
8598 (sync_boolc<mode>_internal2): Delete.
8599 (sync_boolcc<mode>_internal): Delete.
8600 (isync, lwsync): Use unspec instead of unspec_volatile.
8601 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
8602 Revert UNSPEC_VOLATILE.
8603 (rs6000_split_atomic_op): New.
8604 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
8606 2005-07-14 Eric Christopher <echristo@redhat.com>
8608 * config/mips/mips.c (mips_canonicalize_comparison): Cast
8609 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
8611 2005-07-14 Eric Christopher <echristo@redhat.com>
8613 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
8615 2005-07-14 Steven Bosscher <stevenb@suse.de>
8617 PR tree-optimization/22230
8618 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
8619 the computation of the four cross productions for "range op range".
8621 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
8622 Ulrich Weigand <uweigand@de.ibm.com>
8625 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
8628 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8630 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
8632 2005-07-14 Steve Ellcey <sje@cup.hp.com>
8634 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
8636 2005-07-14 Richard Guenther <rguenther@suse.de>
8639 * config/i386/i386-protos.h (ix86_function_value): Change
8640 prototype to match new target hook.
8641 * config/i386/i386.c (ix86_value_regno): Change prototype
8642 to take extra type argument.
8643 (TARGET_FUNCTION_VALUE): Define.
8644 (ix86_function_ok_for_sibcall): Pass extra argument to
8645 ix86_value_regno, check return slot rtx for exact match.
8646 (ix86_function_value): Take extra parameter. Dispatch to
8647 ix86_value_regno with fndecl/fntype as provided.
8648 (ix86_value_regno): Handle extra type argument.
8649 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
8651 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
8652 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
8653 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
8654 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
8655 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
8657 2005-07-14 Richard Guenther <rguenther@suse.de>
8659 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
8660 * calls.c (expand_call): Pass fntype to hard_function_value.
8661 (emit_library_call_value_1): Likewise.
8662 * explow.c: Include target.h.
8663 (hard_function_value): Take extra argument, the fntype.
8664 Use new target hook for function_value.
8665 * expr.h (hard_function_value): Change prototype.
8666 * function.c (aggregate_value_p): Pass 0 as fntype to
8667 hard_function_value.
8668 (assign_parms): Use new target hook for function_value.
8669 Pass 0 as fntype to hard_function_value.
8670 (expand_function_end): Likewise.
8671 * reg-stack.c: Include target.h.
8672 (stack_result): Use new target hook for function_value.
8673 * target-def.h: New target hook function_value.
8674 * target.h: Likewise.
8675 * targhooks.c (default_function_value): New function.
8676 * targhooks.h (default_function_value): Declare.
8678 2005-07-13 Ian Lance Taylor <ian@airs.com>
8680 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
8682 2005-07-14 Jan Hubicka <jh@suse.cz>
8684 * tree-dfa.c (dump_variable): Use default_def function.
8685 * tree-ssa-alias.c (dump_points_to_info): Likewise.
8686 * tree-ssa.c (verify_use): Likewise.
8687 * tree-ssanames.c (release_ssa_name): Likewise.
8688 * tree-tailcall.c (eliminate_tail_call): Likewise.
8689 (tree_optimize_tail_calls_1): Likewise.
8690 * tree-vrp.c (get_value_range): Likewise.
8692 2005-07-14 Ben Elliston <bje@au.ibm.com>
8694 * gcc.c (main): Compare language[0] with '*' when iterating over
8697 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8699 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
8700 "s390_emit_compare". Add handling of CCZ1mode.
8701 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
8702 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
8704 (s390_branch_condition_mask): Add CCZ1mode handling.
8705 * config/s390/s390.md: ("seq", "*seq"): New pattern.
8706 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
8707 Use CCZ1mode instead of CCZmode.
8708 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
8710 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8712 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
8714 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
8716 2005-07-13 Eric Christopher <echristo@redhat.com>
8718 * config/mips/mips.c (mips_canonicalize_comparison): New.
8719 (mips_emit_int_relational): Use.
8721 2005-07-13 Eric Christopher <echristo@redhat.com>
8723 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8725 * config/s390/s390.md: Include tpf.md. Move tpf specific
8727 * config/s390/tpf.md: To here.
8728 * config/s390/s390.opt: Move tpf specific options...
8729 * config/s390/tpf.opt: to here. Add mmain option.
8730 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8731 * config/s390/tpf.h: Rewrite.
8733 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8735 * doc/tm.texi: Remove @xref{Cross-profiling}.
8737 2005-07-13 Jeff Law <law@redhat.com>
8739 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
8740 expressions, test their _DECL operands for pointer equality rather
8741 than using operand_equal_p.
8743 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8745 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
8746 (TARGET_POSIX_IO): This.
8747 * config/darwin.h: Likewise.
8748 * config/freebsd.h: Likewise.
8749 * config/linux.h: Likewise.
8750 * config/lynx.h: Likewise.
8751 * config/netbsd.h: Likewise.
8752 * config/rs6000/linux64.h: Likewise.
8753 * config/rs6000/linux.h: Likewise.
8754 * config/s390/tpf.h: Likewise.
8755 * config/sh/embed-elf.h: Likewise.
8756 * config/sparc/linux64.h: Likewise.
8757 * config/sparc/linux.h: Likewise.
8758 * config/svr4.h: Likewise.
8759 * gcov-io.h: Likewise.
8761 * doc/tm.texi: Updated.
8763 * libgcov.c (create_file_directory): Defined only if
8764 TARGET_POSIX_IO is defined.
8765 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
8768 2005-07-13 Jan Hubicka <jh@suse.cz>
8770 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
8772 2005-07-13 David Edelsohn <edelsohn@gnu.org>
8774 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
8775 structure as argument.
8777 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
8779 PR tree-optimization/21921
8780 * tree-iterator.c (tsi_link_before): Support the case when
8781 tsi_end_p (tsi) == true.
8783 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8785 PR tree-optimization/22442
8786 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
8789 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8791 PR rtl-optimization/20376
8792 * toplev.c (process_options): Enable -fweb and -frename-registers when
8794 * doc/invoke.texi: Update the information about when -fweb and
8795 -frename-registers are enabled.
8797 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8800 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
8801 if *rhs_p is not a SSA_NAME.
8803 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
8805 Fix PR tree-optimization/22422
8806 * tree-ssa-structalias.c (struct variable_info): Add flag for
8808 (get_varinfo): Now a static function.
8809 (new_varinfo): init has_union and is_special_var to false.
8810 (solution_set_add): Check has_union.
8811 (do_da_constraint): Move temporary variable so it gets reset
8813 Also check for special variable.
8814 (do_ds_constraint): Ditto.
8815 (do_sd_constraint): Ditto.
8816 (do_structure_copy): Check for special variable.
8817 (find_func_aliases): Ditto.
8818 (init_base_vars): Set special vars properly.
8820 2005-07-13 Jan Hubicka <jh@suse.cz>
8822 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
8825 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
8826 (get_expr_operands): Fix thinko wrt flags and subvars.
8828 PR tree-optimize/22379
8829 * tree-inline.c (expand_call_inline): Do not output sorry in early
8832 2005-07-12 Dale Johannesen <dalej@apple.com>
8834 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
8836 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8839 * host-linux.h: Include limits.h.
8841 2005-07-12 Dale Johannesen <dalej@apple.com>
8843 * expr.c (compress_float_constant): Add cost check.
8844 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
8846 2005-07-12 Dale Johannesen <dalej@apple.com>
8848 * gcc.target/i386/compress-float-sse.c: New.
8849 * gcc.target/i386/compress-float-sse-pic.c: New.
8850 * gcc.target/i386/compress-float-387.c: New.
8851 * gcc.target/i386/compress-float-387-pic.c: New.
8852 * gcc.dg/compress-float-ppc.c: New.
8853 * gcc.dg/compress-float-ppc-pic.c: New.
8855 2005-07-12 Eric Christopher <echristo@redhat.com>
8857 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8859 * config/s390/s390.md: Include tpf.md. Move tpf specific
8861 * config/s390/tpf.md: To here.
8862 * config/s390/s390.opt: Move tpf specific options...
8863 * config/s390/tpf.opt: to here. Add mmain option.
8864 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8865 * config/s390/tpf.h: Rewrite.
8867 2005-07-12 Eric Christopher <echristo@redhat.com>
8869 * gcc.c (struct infile): Update comment for language.
8870 (main): Rewrite input file resetting code.
8872 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8875 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
8876 requiring a cast in a non RHS of modify_expr. Add a cast when required.
8877 (lookup_avail_expr): Use constant_boolean_node instead
8878 of boolean_false_node/boolean_true_node.
8880 2005-07-12 Ben Elliston <bje@au.ibm.com>
8882 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
8883 and use it when printing num_edges.
8885 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
8887 * doc/extend.texi (Blackfin Built-in Functions): New section.
8888 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
8891 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
8893 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
8894 s/cmpstrsi/cmpstrnsi
8895 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
8897 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
8898 (init_optabs): Initialize cmpstrn_optab.
8899 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
8900 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
8901 * expr.c: (enum insn_code cmpstrn_optab): Declare.
8902 * config/i386/i386.md: s/cmpstr/cmpstrn
8903 * config/c4x/c4x.md: s/cmpstr/cmpstrn
8904 * doc/md.texi: Update documentation.
8906 2005-07-11 Richard Henderson <rth@redhat.com>
8908 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
8909 build_va_arg_indirect_ref.
8910 (alpha_gimplify_va_arg): Likewise.
8911 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
8912 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8913 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
8914 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
8915 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8916 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
8918 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8920 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8922 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
8923 * passes.c (init_optimization_passes): Add pass_empty_loop.
8924 * tree-pass.h (pass_empty_loop): Declare.
8925 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
8926 try_remove_empty_loop, remove_empty_loops): New functions.
8927 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
8928 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
8930 2005-07-12 Peter Barada <peter@the-baradas.com>
8934 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
8935 in address registers.
8936 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
8937 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
8938 alternative of addsi3_5200.
8940 2005-07-11 Ian Lance Taylor <ian@airs.com>
8942 * config/mips/mips.md (ffs<mode>2): Remove.
8944 2005-07-11 Ian Lance Taylor <ian@airs.com>
8946 * doc/tree-ssa.texi (Cleanups): Improve description of
8948 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
8950 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8952 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
8953 * tree.h (DECL_ARGUMENT_FLD): New macro.
8955 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8957 Fix PR tree-optimization/22404
8959 * tree-ssa-structalias.c (create_variable_info_for): Use
8962 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
8964 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
8965 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
8966 for second comparison operand.
8967 * config/bfin/predicates.md (reg_or_const_int_operand): New.
8969 * config/bfin/bfin.md (define_attr "type"): Add "sync".
8970 (define_insn_reservation "alu"): Likewise.
8971 (csync, ssync): Now of type sync.
8972 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
8973 -mcsync-anomaly -mspecld-anomaly.
8974 * config/bfin/bfin.opt (mcsync): Remove.
8975 (mcsync-anomaly, mspecld-anomaly): Add.
8976 * config/bfin/bfin.c: Include "insn-codes.h".
8977 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
8978 (TARGET_DEFAULT_TARGET_FLAGS): New.
8979 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
8981 2005-07-11 Steven Bosscher <stevenb@suse.de>
8983 * basic-block.h: Give the BB flags enum a name, bb_flags.
8984 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
8985 * cfgcleanup.c (enum bb_flags): Remove here.
8986 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
8987 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
8988 (update_forwarder_flag): Likewise.
8989 (thread_jump): Likewise.
8990 (try_forward_edges): Likewise.
8991 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
8992 forwarder flags. Don't clear bb->aux for all basic blocks. Only
8993 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
8995 2005-07-11 Richard Guenther <rguenther@suse.de>
8997 * config/i386/i386.opt: New target option -msseregparm.
8998 * config/i386/i386.c (override_options): Error out for
8999 -msseregparm but no SSE support.
9000 (ix86_function_sseregparm): Check for global sseregparm.
9001 * doc/invoke.texi: Document -msseregparm.
9003 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9005 * config.gcc (m32r-*-linux*): Use the default extra_parts.
9006 (m32rle-*-linux*): Ditto.
9008 2005-07-11 Jakub Jelinek <jakub@redhat.com>
9010 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
9011 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
9014 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9018 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
9019 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
9021 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
9023 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
9024 (varmap): Heapify varmap.
9025 (constraints): Heapify constraints.
9026 (struct constraint_graph): Heapify succs and preds.
9027 (constraint_vec_find): Update for heapification.
9028 (constraint_set_union): Ditto.
9029 (insert_into_complex): Ditto.
9030 (constraint_edge_vec_find): Ditto.
9031 (erase_graph_self_edge): Ditto.
9032 (add_graph_edge): Ditto.
9033 (get_graph_weights): Ditto.
9034 (merge_graph_nodes): Ditto.
9035 (build_constraint_graph): Ditto.
9036 (topo_visit): Ditto.
9037 (solve_graph): Ditto.
9038 (create_variable_info_for): Ditto.
9039 (init_base_vars): Ditto.
9040 (delete_points_to_sets): Free graph, varmap, and complex constraints.
9041 (condese_varmap_nodes): Free complex vector.
9042 (clear_edges_for_node): Clear succs and preds vector.
9044 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
9046 * tree-ssa-structalias.c (update_alias_info): Change counting of
9047 references to not include vdefs.
9049 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
9051 * tree-ssa-alias.c (free_used_part_map): Add missing free.
9054 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9056 * pa.c (pa_commutative_p): Make PLUS commutative when
9057 TARGET_NO_SPACE_REGS is true.
9059 2005-07-09 Diego Novillo <dnovillo@redhat.com>
9061 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
9062 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
9063 * tree-dfa.c (dump_subvars_for): New.
9064 (debug_subvars_for): New.
9065 (dump_variable): Show subvariables if VAR has them.
9066 * tree-flow-inline.h (get_subvar_at): New.
9067 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
9068 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
9070 (struct subvar): Change fields offset and size to unsigned
9072 (dump_subvars_for): Declare.
9073 (debug_subvars_for): Declare.
9074 (get_subvar_at): Declare.
9075 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
9076 to unsigned HOST_WIDE_INT *.
9077 (overlap_subvar): Likewise.
9078 * tree-gimple.c (is_gimple_reg): Always return false for
9079 SFTs and memory tags.
9080 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
9082 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
9083 (compute_may_aliases): Call compute_points_to_sets.
9084 (collect_points_to_info_for): Remove.
9085 (compute_points_to_and_addr_escape): Remove.
9086 (delete_alias_info): Call delete_points_to_sets.
9087 (compute_flow_sensitive_aliasing): If the call to
9088 find_what_p_points_to returns false, call set_pt_anything.
9089 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
9090 (set_pt_anything): Clear pi->pt_vars.
9091 (set_pt_malloc): Remove.
9092 (merge_pointed_to_info): Remove.
9093 (add_pointed_to_expr): Remove.
9094 (add_pointed_to_var): Remove.
9095 (collect_points_to_info_r): Remove.
9096 (is_escape_site): Make extern.
9098 (create_overlap_variables_for): Call it.
9099 * tree-ssa-copy.c (merge_alias_info): Never merge
9100 flow-sensitive alias information.
9101 * tree-ssa-operands.c (get_expr_operands): Adjust variables
9102 offset and size to be unsigned HOST_WIDE_INT.
9103 (add_to_addressable_set): Rename from note_addressable.
9104 Set TREE_ADDRESSABLE as the variables are added to the set.
9106 (add_stmt_operand): Do not try to micro-optimize unmodifiable
9107 operands into VUSEs when adding V_MAY_DEFs for members in an
9109 * tree-ssa-operands.h (add_to_addressable_set): Declare.
9110 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
9111 (struct variable_info): Add bitfield is_heap_var.
9112 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
9113 (new_var_info): Initialize is_heap_var.
9114 (get_constraint_for): Add HEAP variables to the symbol table.
9115 Mark them with is_heap_var.
9116 (update_alias_info): New. Taken mostly from the old
9117 compute_points_to_and_addr_escape.
9118 (handle_ptr_arith): New.
9119 (find_func_aliases): Call update_alias_info.
9120 Call handle_ptr_info for tcc_binary expressions.
9121 Call mark_stmt_modified.
9122 (create_variable_info_for): If DECL has subvars, do not create
9123 variables for its subvars. Always add all the fields.
9124 (set_uids_in_ptset): If the solution includes ANYOFFSET and
9125 SFTs, then add all the SFTs of the structure.
9126 If VI->DECL is an aggregate with subvariables, add the SFT at
9128 (find_what_p_points_to): If VI is an artificial variable,
9129 translate to bitfields in SSA_NAME_PTR_INFO.
9130 If the solution is empty, set pi->pt_vars to NULL
9131 (init_base_vars): Create ANYOFFSET.
9132 (compute_points_to_sets): Rename from create_alias_vars.
9134 (pass_build_pta): Remove.
9135 (delete_points_to_sets): Rename from delete_alias_vars.
9136 (pass_del_pta): Remove.
9137 * tree-ssa-structalias.h (struct alias_info): Move from
9139 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
9140 NUM_REFERENCES_SET): Likewise.
9141 (compute_points_to_sets, delete_points_to_sets): Declare.
9143 2005-07-09 Richard Henderson <rth@redhat.com>
9145 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
9146 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
9147 alpha_split_lock_test_and_set_12): New functions.
9148 * config/alpha/alpha-protos.h: Update.
9149 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
9150 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
9151 * config/alpha/sync.md (I12MODE): New.
9152 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
9153 (sync_<fetchop_name><I48MODE>): Likewise.
9154 (sync_nand<I48MODE>): Likewise.
9155 (sync_old_<fetchop_name><I48MODE>): Likewise.
9156 (sync_new_<fetchop_name><I48MODE>): Likewise.
9157 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
9158 (sync_compare_and_swap<I48MODE>): Likewise.
9159 (sync_lock_test_and_set<I48MODE>): Likewise.
9160 (sync_compare_and_swap<I12MODE>): New.
9161 (sync_compare_and_swap<I12MODE>_1): New.
9162 (sync_lock_test_and_set<I12MODE>): New.
9163 (sync_lock_test_and_set<I12MODE>_1): New.
9165 2005-07-09 Diego Novillo <dnovillo@redhat.com>
9169 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
9171 2005-07-09 Jakub Jelinek <jakub@redhat.com>
9173 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
9174 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
9176 2005-07-09 Richard SAndiford <richard@codesourcery.com>
9179 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
9181 2005-07-08 David Edelsohn <edelsohn@gnu.org>
9183 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
9184 memory_operand constraint.
9185 (store_conditional_<mode>): Same.
9186 (sync_compare_and_swap<mode>): Same.
9187 (sync_lock_test_and_set<mode>): Same.
9189 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
9191 Rewrite PIC support to more closely model actual instructions.
9192 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
9193 (cris_symbol): Remove prototypes for removed functions.
9194 (cris_pic_symbol_type_of, cris_valid_pic_const)
9195 (cris_expand_pic_call_address): Prototypes for new functions.
9196 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
9198 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
9200 <case ':'>: Add case for new punctuation character.
9201 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
9202 emitting (extra) PIC modifier.
9203 <case UNSPEC>: Do not assert for PLT.
9204 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
9205 (cris_expand_prologue, cris_expand_epilogue): Check
9206 for pic_offset_table_rtx usage instead of taking
9207 current_function_uses_pic_offset_table as the final word.
9208 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
9209 Remove flag_pic difference.
9210 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
9211 the moral equivalents of...
9212 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
9214 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
9215 (cris_handle_option): Mark ARG as unused.
9216 (cris_expand_pic_call_address): New worker function for "call",
9218 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
9219 output PIC constructs here.
9220 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
9221 as symbol-specific modifers, not whole or part of operands.
9222 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
9223 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
9224 constants and flag_pic.
9225 (CONSTANT_INDEX_P): Adjust for new functions.
9226 (enum cris_pic_symbol_type): New helper type.
9227 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
9228 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
9229 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
9231 ("movsi"): Emit actual instructions for GOT and relative access.
9232 ("*movsi_got_load"): New pattern to set up the register holding
9234 ("*movsi_internal"): Operand 1 is not a plain general_operand.
9235 Adjust FIXME for 'S'.
9236 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
9237 Use "movs" for -fpic cases.
9238 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
9239 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
9240 ("call", "call_value"): Just call cris_expand_pic_call_address for
9242 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
9243 Remove special pattern.
9244 ("*expanded_call_side", "*expanded_call_value_side"): New
9246 (gotplt-to-plt, gotplt-to-plt-side-call)
9247 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
9249 * config/cris/cris/predicates.md
9250 ("cris_general_operand_or_gotless_symbol"): Remove unused
9252 ("cris_general_operand_or_symbol"): Adjust for new functions.
9254 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9256 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
9258 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
9260 * Makefile.in (TREE_H): Add treestruct.def.
9261 (c-decl.o): Add pointer-set.h
9262 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
9263 visibility on regular DECL's.
9264 (merge_decls): Fix the copying of decl nodes of various types for
9265 the new structures. Don't update RTL, section name, weak status,
9266 etc, on DECL's without RTL.
9267 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
9268 Don't check volatile on non-variable types.
9269 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
9270 to check whether we have seen arguments.
9271 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
9272 flag is checked before field (flag is common, field is not).
9273 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
9274 TS_DECL_COMMON could have an origin.
9275 (add_location_or_const_value_attribute): Don't check section name
9276 on non-var/function decls.
9277 (dwarf2out_var_location): Reverse order of tests.
9278 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
9279 with DECL_WRTL_CHECK.
9280 * expmed.c (make_tree): rtl is now in decl_with_rtl.
9281 * fold-const.c (fold_binary): Don't check weakness on
9282 non-var/function decls.
9283 (tree_expr_nonzero_p): Ditto.
9284 (fold_checksum_tree): Use tree_decl_extra as sizeof
9286 * ggc-page.c (extra_order_size_table): Add sizes for
9287 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
9289 * gimplify.c (gimplify_bind_expr): Only set
9290 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
9291 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
9293 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
9294 * langhooks.h (init_ts). New langhook.
9295 * passes.c (rest_of_decl_compilation): Reverse order of tests.
9296 * print-tree.c (print_node): Update to only print fields that
9297 exist in the structures the passed decl has.
9298 * toplev.c (wrapup_global_declarations): Don't reset
9299 DECL_DEFER_OUTPUT on DECL's that don't contain it.
9300 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
9301 * tree-inline.c (remap_decl): Ditto.
9302 * tree-outof-ssa.c (create_temp): Reverse order of tests.
9303 * tree-pretty-print.c (print_declaration): Don't print
9304 DECL_REGISTER on things that don't contain it.
9305 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
9306 non-var/function decls.
9307 * tree.c (tree_contains_struct): New structure.
9308 (init_priority_for_decl): New hashtable.
9309 (tree_int_map): New structure.
9310 (tree_int_map_eq): New function.
9311 (tree_int_map_marked_p): Ditto.
9312 (tree_int_map_hash): Ditto.
9313 (tree_map): Move to tree.h.
9314 (tree_map_eq): Externalize.
9315 (tree_map_hash): Ditto.
9316 (tree_map_marked_p): Ditto.
9317 (init_ttree): Set up tree_contains_struct and call langhook.
9318 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
9319 (tree_code_size): Update for new structures.
9320 (tree_node_structure): Update for new structures.
9321 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
9323 (copy_node_stat): Copy init priority.
9324 (build_decl_stat): Ditto for visibility.
9325 (ts_enum_names): New.
9326 (tree_contains_struct_check_failed): New function.
9327 (decl_init_priority_lookup): Ditto.
9328 (decl_init_priority_insert): Ditto.
9329 * treestruct.def: New file.
9330 * tree.h (CODE_CONTAINS_STRUCT): New macro.
9331 (CONTAINS_STRUCT_CHECK): Ditto.
9332 (tree_contains_struct_check_failed): New prototype.
9333 (DECL_CHECK): Removed.
9334 (DECL_MINIMAL_CHECK): New.
9335 (DECL_COMMON_CHECK): Ditto.
9336 (DECL_WRTL_CHECK): Ditto.
9337 (DECL_NON_COMMON_CHECK): Ditto.
9338 (DECL_WITH_VIS_CHECK): Ditto.
9339 (VAR_OR_FUNCTION_DECL_P): Ditto
9340 (struct tree_decl_minimal): New structure.
9341 (struct tree_decl_common): Ditto.
9342 (struct tree_decl_with_rtl): Ditto.
9343 (struct tree_decl_with_vis): Ditto.
9344 (struct tree_decl_non_common): Ditto.
9345 (struct tree_field_decl): Ditto.
9346 (struct tree_parm_decl): Ditto.
9347 (struct tree_var_decl): Ditto.
9348 (struct tree_function_decl): Ditto.
9349 (struct tree_const_decl): Ditto.
9350 (struct tree_result_decl): Ditto.
9351 (union tree_node): Add new structures.
9352 * var-tracking.c (track_expr_p): Reverse order of tests.
9354 * doc/c-tree.texi: Add documentation on DECL node internal structure.
9356 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
9358 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
9359 * system.h: Poison FINALIZE_PIC.
9360 * doc/tm.texi (FINALIZE_PIC): Remove.
9362 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9365 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
9366 to the correct type if we have a MODIFY_EXPR.
9368 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
9370 PR tree-optimization/22360
9371 * tree.c (upper_bound_in_type): Fix calculations for casting
9372 to a non-wider signed type and casting a signed value to a
9373 wider unsigned type.
9374 (lower_bound_in_type): Fix calculations for casting to a
9375 non-wider signed type.
9377 PR tree-optimization/20139
9378 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
9380 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
9381 fold_cond_expr_cond.
9382 * tree-ssanames.c (release_defs): Assert in_ssa_p.
9383 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
9385 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9388 * tree-complex.c (expand_complex_libcall): Produce
9389 REALPART_EXPR/IMAGPART_EXPR with the correct type.
9391 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
9393 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
9394 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
9395 b" assert and inserted fastpath code for this case.
9396 (bitmap_ior): Removed "a != b" assert.
9398 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9400 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
9401 (ENDFILE_SPEC): Likewise.
9402 * config/m32r/m32r.h (ASM_SPEC): Likewise.
9404 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
9405 a large stack frame at epilogue.
9407 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
9409 * final.c: Include sdbout.h when required.
9411 2005-07-07 Geoffrey Keating <geoffk@apple.com>
9413 * config.gcc (*-*-darwin*): Only one target-specific header file
9415 (powerpc-*-darwin*): Add version-specific header files.
9416 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
9417 * config.in: Regenerate.
9418 * configure: Regenerate.
9419 * gcc.c: Include xregex.h.
9420 (version_compare_spec_function): New.
9421 (spec_function): Add version-compare.
9422 (replace_outfile_spec_function): Reformat comment.
9423 (compare_version_strings): New.
9424 * config/darwin-c.c (version_as_macro): New.
9425 (builtin_define): New.
9426 (darwin_cpp_builtins): New.
9427 * config/darwin-protos.h (darwin_cpp_builtins): New.
9428 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
9429 (LIB_SPEC): Make unconditional, update comment.
9430 (TARGET_C99_FUNCTIONS): Define.
9431 * config/darwin.opt: Sort.
9432 (mmacosx-version-min=): New.
9433 * config/darwin7.h: Delete.
9434 * config/darwin8.h: Delete.
9435 * config/i386/darwin.h (): Call darwin_cpp_builtins.
9436 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
9437 (TARGET_C99_FUNCTIONS): Define.
9438 * config/rs6000/darwin7.h: New.
9439 * config/rs6000/darwin8.h: New.
9440 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
9441 (-mmacosx-version-min): Document.
9443 2005-07-07 Ian Lance Taylor <ian@airs.com>
9445 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
9447 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
9450 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
9452 2005-07-07 Khem Raj <kraj@mvista.com>
9454 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
9455 in bytes, not words.
9457 2005-07-07 Paul Brook <paul@codesourcery.com>
9459 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
9460 DEFAULT_FUNCTION_ARG_PADDING to upward.
9462 2005-07-07 Richard Henderson <rth@redhat.com>
9464 * function.c (locate_and_pad_parm): Record parameter alignment in
9465 stack_alignment_needed.
9467 2005-07-07 David Edelsohn <edelsohn@gnu.org>
9469 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
9470 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
9471 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
9472 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
9473 (define_attr "type"): Add isync, sync, load_l, store_c.
9474 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
9475 Create scratch volatile MEM.
9476 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
9478 (load_locked_<mode>): New.
9479 (store_conditional_<mode>): New.
9480 (sync_compare_and_swap<mode>): Replace with splitter.
9481 (sync_lock_test_and_set<mode>): Replace with splitter.
9482 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
9484 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
9485 is ics. Attribute isync.
9486 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
9488 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
9489 and UNSPECV_SYNC_OP.
9490 (emit_unlikely_jump): New.
9491 (emit_load_locked): New.
9492 (emit_store_conditional): New.
9493 (rs6000_split_compare_and_swap): New.
9494 (rs6000_split_lock_test_and_set): New.
9495 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
9496 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
9497 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
9498 rs6000_split_lock_test_and_set): Declare.
9499 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
9500 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
9501 store_c, isync, sync.
9503 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
9505 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
9506 filenames to gtyp-gen.h.
9507 (s-typ-gen): Use it in place of for loops.
9509 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
9511 * hooks.c (hook_bool_rtx_int_false): New function.
9512 * hooks.h (hook_bool_rtx_int_false): Declare.
9513 * target-def.h (TARGET_COMMUTATIVE_P): Define.
9514 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
9515 * target.h (struct gcc_target): Add commutative_p member.
9516 * targhooks.c (hook_bool_rtx_commutative_p): New function.
9517 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
9518 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
9519 (pa_commutative_p): New function.
9520 * jump.c (target.h): Include.
9521 (rtx_renumbered_equal_p): Use targetm.commutative_p.
9522 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
9524 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9526 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
9527 (s390_expand_setmem): New.
9528 * config/s390/s390.c: Likewise.
9529 (print_shift_count_operand): Truncate to 12 bits instead of 6.
9531 * config/s390/s390.md: ("setmem<mode>"): Accept character as
9532 general_operand. Call new function "s390_expand_setmem".
9533 ("clrmem_long", "*clrmem_long"): Rewrite to ...
9534 ("setmem_long", "*setmem_long"): ... this.
9536 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9538 * config/s390/s390.c: (optimization_options): Enable
9539 TARGET_MVCLE at -Os.
9540 * doc/invoke.texi: Document changes in default behaviour.
9541 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
9543 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9545 * expr.c: (set_storage_via_setmem): Convert opchar to mode
9546 defined by back-end.
9548 2005-07-07 Jakub Jelinek <jakub@redhat.com>
9550 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
9551 all sets in the pattern.
9552 * config/rs6000/rs6000.md (stack_protect_testsi,
9553 stack_protect_testdi): Likewise.
9555 2005-07-06 Jeff Law <law@redhat.com>
9557 * tree-vrp.c (simplify_using_ranges): Kill.
9558 (vrp_finalize): Remove call to simplify_using_ranges.
9559 (simplify_stmt_using_ranges): New function extracted from
9560 simplify_using_ranges.
9561 (simplify_div_or_mod_using_ranges): Likewise.
9562 (simplify_abs_using_ranges): Likewise.
9563 (simplify_cond_using_ranges): New function.
9564 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
9565 * tree-ssa-propagate.c (substitute_and_fold): Call
9566 simplify_stmt_using_ranges if we have range information.
9568 2005-07-06 James E. Wilson <wilson@specifixinc.com>
9570 * config/ia64/ia64.c (ia64_reorg): Check optimize before
9571 ia64_flag_schedule_isns2.
9573 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
9574 reading/writing general registers.
9575 (ia64_function_arg): Revert 2005-06-18 change.
9577 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
9579 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
9580 (legitimize_tls_address): Use gcc_unreachable instead of abort.
9582 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
9584 * function.c (expand_function_end): Revert part of 2005-06-27
9585 patch. Do sjlj_emit_function_exit_after after return_label.
9587 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9589 * doc/install.texi (--disable-libssp): New.
9591 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
9593 * doc/invoke.texi: Update -fforce-mem documentation.
9594 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
9595 code for -fforce-mem.
9596 * expmed.c: (store_bit_field,store_fixed_bit_field,
9597 extract_bit_field): Ditto.
9598 * expr.c: (convert_move): Ditto.
9599 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
9600 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
9601 emit_conditional_add,expand_float,expand_fix): Ditto.
9602 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
9603 (common_handle_option): Issue warning when -fforce-mem specified.
9605 2005-07-06 Paul Brook <paul@codesourcery.com>
9607 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
9609 * configure: Regenerate.
9611 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
9613 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
9615 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
9617 Fix PR tree-optimization/22319
9618 Fix PR tree-optimization/22140
9619 Fix PR tree-optimization/22310
9621 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
9622 variable sized types.
9623 Use correct type for intermediate structure on *a = *b structure
9626 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9628 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
9630 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
9631 (machine_function): Move typedef to...
9632 * config/rs6000/rs6000.c (machine_function): ... here. Add
9633 varargs_save_offset field.
9634 (rs6000_stack_t): Remove varargs_size field.
9635 (setup_incoming_varargs): Allocate varargs save area using
9636 assign_stack_local, try to make it as small as possible.
9637 Save offset from virtual_stack_vars_rtx to the save area
9638 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
9639 instead of magic 8 when fp word byte size is used.
9640 (rs6000_va_start): Use cfun->machine->varargs_save_offset
9641 instead of -RS6000_VARARGS_SIZE.
9642 (rs6000_stack_info, debug_stack_info,
9643 rs6000_initial_elimination_offset): Remove all traces of
9645 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
9646 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
9647 RS6000_VARARGS_AREA.
9649 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9651 PR tree-optimization/21963
9652 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
9653 constant_multiple_of in the same way get_computation_cost_at does.
9655 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9657 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
9658 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
9659 (gen_compare_reg): If sparc_compare_emitted is set, clear it
9660 and return its previous value.
9661 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
9662 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
9664 (stack_protect_set, stack_protect_test): New expanders.
9665 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
9666 stack_protect_testdi): New insns.
9667 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9668 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
9670 2005-07-06 Jeff Law <law@redhat.com>
9672 * tree-ssa-dce.c (cfg_altered): New global.
9673 (tree_dce_init): Initialize cfg_altered.
9674 (remove_dead_stmt): If we remove an edge in the CFG, then set
9676 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
9679 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9681 * Makefile.in (stamp-collect-ld): Use
9682 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
9683 ./collect-ld if it already exists.
9684 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
9685 Don't remove ./nm if it already exists.
9687 2005-07-05 Devang Patel <dpatel@apple.com>
9689 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
9690 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
9691 * tree-vectorizer.c (vect_loop_location): New.
9692 (vect_print_dump_info): Use vect_loop_location.
9693 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
9694 (vectorize_loops): Set vect_loop_location.
9695 * tree-vect-analyze.c (vect_analyze_offset_expr,
9696 vect_determin_vectorization_factor, vect_analyze_operations,
9697 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
9698 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
9699 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
9700 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
9701 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
9702 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
9703 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
9704 vect_analyze_loop): Adjust vect_print_dump_info API.
9705 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9706 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
9707 vect_finish_stmt_generation, vectorizable_assignment,
9708 vectorizable_operation, vectorizable_store, vectorizable_load,
9709 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
9710 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
9711 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
9712 vect_transform_loop): Same.
9713 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
9714 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
9717 2005-07-05 Randolph Chung <tausq@debian.org>
9719 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
9720 * configure: Regenerate.
9721 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
9722 (pa_tls_referenced_p): Declare.
9723 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
9724 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
9725 (legitimize_tls_address): New.
9726 (hppa_legitimize_address): Handle TLS addresses.
9727 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
9728 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9729 (emit_move_sequence): Handle TLS addresses.
9730 (pa_encode_section_info): Call default handler to handle common
9732 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
9733 (CONSTANT_ADDRESS_P): Reject TLS operands.
9734 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
9735 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
9736 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
9737 (UNSPEC_TLSLE): Define new constants.
9738 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
9739 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
9740 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
9741 (tie_symbolic_operand, tle_symbolic_operand): New
9743 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
9745 * aclocal.m4: Update macros for autoconf 2.59 style.
9746 * configure.ac: Likewise.
9748 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9750 * pa.c (function_value): Handle small aggregates on 32-bit targets.
9751 (function_arg): Pass small aggregates in general registers on 32-bit
9753 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
9755 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
9757 * Makefile.in (final.o): Fix dependencies.
9759 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9763 * langhooks.h (struct lang_hooks): Add expr_to_decl.
9764 * langhooks.c (lhd_expr_to_decl): New.
9765 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
9767 (LANG_HOOKS_INITIALIZER): Update.
9768 * tree.c (recompute_tree_invarant_for_addr_expr): Call
9769 expr_to_decl langhook.
9770 * c-tree.h (c_expr_to_decl): Declare.
9771 * c-typeck.c (c_expr_to_decl): New.
9772 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
9774 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
9776 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9779 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
9780 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
9782 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
9784 * Makefile.in: Adjust dependencies.
9785 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
9786 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
9787 * alias.c (rest_of_handle_cfg, pass_cfg): New.
9788 * bb-reorder.c (duplicate_computed_gotos): Make it static.
9789 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
9790 rest_of_compilation.
9792 * bb-reorder.c (gate_duplicate_computed_gotos,
9793 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
9794 rest_of_handle_reorder_blocks, pass_reorder_blocks,
9795 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
9796 pass_partition_blocks): New.
9797 * bt-load.c (gate_handle_branch_target_load_optimize,
9798 rest_of_handle_branch_target_load_optimize,
9799 pass_branch_target_load_optimize): New.
9800 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
9802 * cfglayout.c (pass_insn_locators_initialize): New.
9803 * cfgrtl.c (pass_free_cfg): New.
9804 * combine.c (gate_handle_combine, rest_of_handle_combine,
9806 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
9807 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
9808 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
9809 * except.c (pass_set_nothrow_function_flags,
9810 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
9812 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
9813 rest_of_handle_shorten_branches, pass_shorten_branches,
9814 rest_of_clean_state, pass_clean_state): New.
9815 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
9816 rest_of_handle_remove_death_notes, pass_remove_death_notes,
9817 rest_of_handle_life, pass_life, rest_of_handle_flow2,
9819 * function.c (pass_instantiate_virtual_regs, pass_init_function,
9820 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
9821 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
9822 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
9824 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
9825 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
9826 pass_rtl_ifcvt, gate_handle_if_after_combine,
9827 rest_of_handle_if_after_combine, pass_if_after_combine,
9828 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
9829 pass_if_after_reload): New.
9830 * integrate.c (pass_initial_value_sets): New.
9831 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
9832 pass_purge_lineno_notes): New.
9833 * mode-switching.c (rest_of_handle_mode_switching,
9834 pass_mode_switching): New.
9835 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
9836 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
9838 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
9839 pass_loop_optimize): New.
9840 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
9842 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
9844 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
9845 pass_postreload_cse): New.
9846 * profile.c (gate_handle_profiling, pass_profiling,
9847 rest_of_handle_branch_prob, pass_branch_prob): New.
9848 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
9849 pass_split_before_regstack, gate_handle_split_before_regstack,
9850 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
9851 rest_of_handle_split_all_insns, pass_split_all_insns): New.
9852 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
9853 pass_stack_regs): New.
9854 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
9855 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
9856 pass_stack_adjustments): New.
9857 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
9858 pass_regrename): New.
9859 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
9860 pass_delay_slots, gate_handle_machine_reorg,
9861 rest_of_handle_machine_reorg, pass_machine_reorg): New.
9862 * rtl.h (extern void purge_line_number_notes): New.
9863 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
9864 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
9866 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
9868 * value-prof.c (gate_handle_value_profile_transformations,
9869 rest_of_handle_value_profile_transformations,
9870 pass_value_profile_transformations): New.
9871 * var-tracking.c (gate_handle_var_tracking,
9872 pass_variable_tracking): New.
9873 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
9875 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
9876 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
9877 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
9878 rest_of_handle_old_regalloc, rest_of_handle_regrename,
9879 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
9880 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
9881 rest_of_handle_gcse2, rest_of_handle_regmove,
9882 rest_of_handle_tracer, rest_of_handle_if_conversion,
9883 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
9884 rest_of_handle_web, rest_of_handle_branch_prob,
9885 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
9886 rest_of_handle_jump_bypass, rest_of_handle_combine,
9887 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9888 rest_of_handle_gcse, rest_of_handle_loop_optimize,
9889 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
9890 rest_of_handle_mode_switching, rest_of_handle_jump,
9891 rest_of_handle_eh, rest_of_handle_stack_adjustments,
9892 rest_of_handle_flow2, rest_of_handle_jump2,
9893 rest_of_handle_peephole2, rest_of_handle_postreload,
9894 rest_of_handle_shorten_branches, rest_of_clean_state,
9895 rest_of_compilation): Remove.
9897 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
9898 * passes.c (dump_flags, in_gimple_form, all_passes,
9899 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9900 register_dump_files, next_pass_1, last_verified, execute_todo,
9901 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
9902 from tree-optimize.c.
9903 (init_optimization_passes): Moved from tree-optimize.c,
9904 adding the RTL optimizations.
9905 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
9906 * tree-optimize.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,
9910 init_tree_optimization_passes, ipa_passes): Delete.
9911 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
9913 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
9914 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
9916 (ipa_passes): Remove.
9917 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
9918 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
9919 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
9920 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
9921 (dump_info_p, dump_flag): Moved to tree-dump.h.
9923 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
9925 * passes.c (finish_optimization_passes): Use dump_begin
9926 and dump_end, TDI_end.
9927 (gate_rest_of_compilation): New.
9928 (pass_rest_of_compilation): Use it.
9929 (gate_postreload, pass_postreload): New.
9930 * toplev.c (general_init): Rename init_tree_optimization_passes.
9931 * toplev.h (init_tree_optimization_passes): Rename to
9932 init_optimizations_passes.
9933 * tree-dump.c (dump_flag): Make static.
9934 (dump_files): Remove RTL dumps.
9935 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
9936 pass_cleanup_cfg, pass_free_cfg_annotations,
9937 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
9938 pass_init_datastructures, pass_fixup_cfg): Make non-static.
9939 * tree-pretty-print.c: Include tree-pass.h.
9940 * cgraph.c: Include tree-dump.h.
9942 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9944 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
9945 Only fall back to saying it points to readonly memory if
9948 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9950 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
9951 * config/m32r/m32r.c (m32r_compute_frame_size,
9952 m32r_expand_prologue): Take current_function_profile into
9953 account whenever we reference
9954 current_function_uses_pic_offset_table.
9955 (m32r_finalize_pic): Remove.
9956 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
9958 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
9960 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
9961 instead of $<. Don't remove ./as if it already exists.
9963 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9966 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
9967 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
9968 for complex modes when generating code for PA 1.0.
9969 (VALID_FP_MODE_P): New macro.
9970 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9971 sets for all general and floating point modes. Align wide floating
9972 point modes to even register boundaries to comply with architectural
9974 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
9975 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
9976 (VALID_FP_MODE_P): New macro.
9977 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9978 sets for all general and floating point modes. Align wide floating
9979 point modes to even register boundaries to comply with architectural
9982 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9984 * tree-dump.c (dump_files): Initialize dump number for .cgraph
9987 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9989 * tree-ssa-structalias.c: Don't include expr.h.
9991 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9993 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
9996 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9998 Fix PR tree-optimization/22279
10000 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
10003 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
10005 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
10007 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
10009 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
10010 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
10011 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
10012 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
10013 config/stormy16/stormy16.c, config/v850/v850.c,
10014 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
10015 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
10016 Avoid "." or "\n" at end of diagnostics and capital letters at
10017 start of diagnostics.
10018 * combine.c, cse.c: Don't translate dump file output.
10019 * toplev.c (print_version): Only translate output if going to
10022 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
10024 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
10025 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
10028 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10030 * pa.c (fix_range): Fix typo in comment.
10032 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
10034 * tree-vrp.c (extract_range_from_assert): Replace
10035 fold (build (...)) with fold_build2.
10037 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10039 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
10040 gcc_gfc_char_table, init_dynamic_gfc_info): New.
10041 (format_types_orig, handle_format_attribute): Add support for
10044 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
10046 * varasm.c (assemble_variable): Fix format specifier thinko.
10048 2005-07-03 Ira Rosen <irar@il.ibm.com>
10050 PR tree-optimization/22029 (and 22135)
10051 * tree-pretty-print.c (dump_generic_node): Check that the node is not
10052 a phi node before calling dump_vops.
10054 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
10056 * tree-dump.h (dump_string_field): Declare.
10057 * tree-dump.c: Use it instead of dump_string.
10058 (dump_string_field): Make non-static.
10060 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
10062 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
10063 up the minimal CFG stuff always when optimize > 0. Call
10064 split_all_insns_noflow in PIC case if needed.
10066 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
10067 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
10070 * c-decl.c (c_write_global_declarations): Dump contents of
10072 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
10073 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
10074 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
10075 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
10078 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
10080 * c-common.h (GCC_DIAG_STYLE): Define.
10081 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
10082 version for format checking to 4.1.
10083 * c-format.c: Include toplev.h after c-common.h.
10084 (enum format_type): Add gcc_tdiag_format_type.
10085 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
10086 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
10087 (format_types_orig): Add gcc_tdiag.
10088 (init_dynamic_diag_info): Support gcc_tdiag formats.
10089 (handle_format_attribute): Likewise.
10090 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
10091 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
10092 version for format checking to 4.1.
10093 (warning0, warning, error, pedwarn, sorry): Use
10094 ATTRIBUTE_GCC_DIAG.
10095 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
10096 (finish_aliases_1): Do not use %qE.
10097 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
10098 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
10099 Correct format bugs.
10100 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
10101 parameter to unsigned HOST_WIDE_INT.
10102 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
10104 2005-07-02 David Edelsohn <edelsohn@gnu.org>
10106 PR middle-end/21742
10107 * expr.c (write_complex_part): Use adjust_address for MEM.
10108 (read_complex_part): Same.
10110 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
10112 Fix PR tree-optimization/22280
10114 * tree-sra.c (generate_element_init): Remove useless loop.
10116 2005-07-02 Richard Henderson <rth@redhat.com>
10118 * config/alpha/alpha.c (alpha_legitimize_address): Check for
10120 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
10122 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
10124 PR middle-end/14490
10125 * fold-const.c (fold_binary): Handle the return value of
10126 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
10127 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
10129 2005-07-02 Jeff Law <law@redhat.com>
10131 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
10132 a eliminate type conversion which feeds an equality comparison
10133 if the original type or either operand in the comparison is a
10136 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
10138 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
10139 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
10141 * config/avr/avr.c: Do not use '`' as left quote.
10142 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
10143 Remove "." from end of diagnostics. Make diagnostics start with
10146 2005-07-02 Zack Weinberg <zack@codesourcery.com>
10147 Joseph S. Myers <joseph@codesourcery.com>
10149 * toplev.c (default_tree_printer): Handle setting location with
10151 * c-objc.common.c (c_tree_printer): Likewise.
10152 * c-format.c (gcc_diag_flag_specs): Add '+'.
10153 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
10154 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
10156 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
10157 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
10158 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
10159 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
10160 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
10161 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
10162 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
10163 format arguments where %J is used without %D.
10165 2005-07-02 Jakub Jelinek <jakub@redhat.com>
10167 * gcc.c (LINK_SSP_SPEC): Define.
10168 (link_ssp_spec): New variable.
10169 (LINK_COMMAND_SPEC): Add %(link_ssp).
10170 (static_specs): Add link_ssp_spec.
10171 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
10172 * configure: Rebuilt.
10173 * config.in: Rebuilt.
10175 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10176 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10177 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10178 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10179 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
10180 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
10181 -0x7008(2) instead of reading __stack_chk_guard variable.
10182 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
10184 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
10185 (stack_protect_set, stack_protect_test): Use *_tls* patterns
10186 if TARGET_THREAD_SSP_OFFSET is defined.
10187 (stack_tls_protect_set_si, stack_tls_protect_set_di,
10188 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
10191 2005-06-27 Richard Henderson <rth@redhat.com>
10192 * libgcc-std.ver (GCC_4.1.0): New.
10193 * libgcc.h (__stack_chk_guard): Declare.
10194 (__stack_chk_fail, __stack_chk_fail_local): Declare.
10195 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
10196 * mklibgcc.in (lib2funcs): Add them.
10198 2005-07-01 Richard Henderson <rth@redhat.com>
10200 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
10201 void * before struct sigcontext *.
10202 (x86_fallback_frame_state): Likewise.
10204 2005-07-01 James E. Wilson <wilson@specifixinc.com>
10206 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
10208 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
10211 * tree-ssa-reassoc.c (should_transpose): Fix which operand
10212 we check for SSA_NAME for.
10214 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
10216 Fix PR tree-optimization/22071
10218 * tree-ssa-structalias.c (offset_overlaps_with_access): New
10220 (get_constraint_for_component_ref): Use it.
10222 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
10225 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
10226 print out the last new line.
10228 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
10230 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
10231 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
10232 * config/cris/cris.c (cris_conditional_register_usage): Adjust
10233 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
10234 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
10235 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
10236 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
10237 (enum reg_class): New member CC0_REGS.
10238 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
10239 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
10240 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
10241 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
10242 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
10243 Adjust for register now described.
10245 2005-07-01 Jakub Jelinek <jakub@redhat.com>
10248 * config/i386/i386.md (stack_protect_test_si,
10249 stack_protect_test_di): Add earlyclobber for scratch 3.
10250 * config/rs6000/rs6000.md (stack_protect_testsi,
10251 stack_protect_testdi): Add earlyclobber for scratch 3,
10252 remove earlyclobber from scratch 4.
10254 Older entries for 2005 can be found in ChangeLog-2005.