1 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
3 * ggc.h (GGC_RESIZEVEC): New.
5 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7 * gcc.c (execute): Improve readability.
9 2005-12-02 Richard Guenther <rguenther@suse.de>
11 * tree-cfg.c (mark_used_vars): New function.
12 (dump_function_to_file): Dump only used VAR_DECLs.
14 2005-12-02 Richard Guenther <rguenther@suse.de>
16 * convert.c (convert_to_integer): Fix compare for nonpositive
17 constant to use tree_int_cst_sgn <= 0.
19 2005-12-02 Richard Guenther <rguenther@suse.de>
21 * convert.c (convert_to_integer): Use fold_convert instead
22 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
23 instead of comparing against 0. Use build_int_cst instead
24 of converting integer_zero_node.
26 2005-12-02 Richard Guenther <rguenther@suse.de>
28 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
31 2005-12-02 Alan Modra <amodra@bigpond.net.au>
34 * combine.c (simplify_logical <IOR>): Simplify more patterns to
37 2005-12-02 Alan Modra <amodra@bigpond.net.au>
40 * function.c (expand_function_end): Emit blockage for unwinder
43 2005-12-01 Roger Sayle <roger@eyesopen.com>
45 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
46 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
47 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
48 integer constant comparisons.
50 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
51 Janis Johnson <janis187@us.ibm.com>
52 David Edelsohn <dje@watson.ibm.com>
53 Ben Elliston <bje@au.ibm.com>
55 * dfp.h, dfp.c: New files.
56 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
58 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
59 (INCLUDES): Append $(DECNUMINC).
60 (OBJS-common): Add dfp.o.
62 * real.h (EXP_BITS): Pinch one bit to ..
63 (struct real_value): Add decimal field.
64 (real_format): Change table size, update documentation.
65 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
66 (real_from_string3): Declare.
67 (decimal_single_format): Declare.
68 (decimal_double_format): Declare.
69 (decimal_quad_format): Declare.
70 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
71 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
72 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
73 * real.c: Include dfp.h.
74 (normalize): Early return for decimal floats.
75 (do_add): Zero decimal field.
76 (do_compare): Call do_decimal_compare for decimal floats.
77 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
78 (real_arithmetic): Call decimal_real_arithmetic for decimal
79 floating point operands.
80 (real_identical): If a and b are of differing radix, return false.
81 (real_to_integer): Call decimal_real_to_integer if the value is a
83 (real_to_integer2): Likewise, call decimal_real_to_integer2.
84 (real_to_decimal): Likewise, call decimal_real_to_decimal.
85 (real_to_hexadecimal): Place "N/A" in the return string for
87 (real_from_string3): New variant, given a mode.
88 (real_maxval): Use decimal_real_maxval for decimal floats.
89 (round_for_format): Use decimal_round_for_format for decimals.
90 (real_convert): Use decimal_real_convert where appropriate.
91 (significand_size): Handle base 10.
92 (encode_decimal_single, decode_decimal_single,
93 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
94 decode_decimal_quad): New functions.
95 (decimal_single_format): New.
96 (decimal_double_format): New.
97 (decimal_quad_format): New.
98 * machmode.def: Add SD, DD and TD decimal floating point modes.
99 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
100 Include MODE_DECIMAL_FLOAT.
101 (DECIMAL_FLOAT_MODE_P): New.
102 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
103 * genmodes.c (struct mode_data): Add counter field.
104 (struct mode_data): Update comment for format.
105 (blank_mode): Initialise counter field.
106 (new_mode): Increment counter field for each mode defined.
107 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
109 (make_complex_modes): Handle modes containing `D'.
110 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
111 (make_decimal_float_mode): New.
112 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
113 (cmp_modes): Compare counter field if other characteristics
115 (emit_real_format_for_mode): Support formats for decimal floats.
116 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
117 Document MODE_DECIMAL_FLOAT.
119 2005-12-02 Alan Modra <amodra@bigpond.net.au>
121 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
124 2005-12-01 Richard Henderson <rth@redhat.com>
126 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
128 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
130 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
132 * config/pa/pa.c (pa_init_builtins): If we detect
133 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
136 2005-12-01 Richard Guenther <rguenther@suse.de>
138 * fold-const.c (fold_binary): Use fold_build2, not
141 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
143 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
145 * vec.h (VEC_block_remove): New.
147 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
150 * c-common.c (lvalue_error): Fix wording.
152 2005-12-01 Richard Guenther <rguenther@suse.de>
154 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
155 thinko in last patch.
157 2005-12-01 Geoffrey Keating <geoffk@apple.com>
159 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
160 than -flat_namespace.
162 2005-12-01 Ben Elliston <bje@au.ibm.com>
164 * mklibgcc.in: Parameterise the script to build soft float
165 functions by iterating over each type, rather than cloning the
168 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
171 * builtins.c (fold_builtin_fputs): Defer check for missing
172 replacement functions.
174 2005-11-30 Kean Johnston <jkj@sco.com>
176 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
177 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
179 2005-11-30 Richard Guenther <rguenther@suse.de>
181 PR tree-optimization/22501
182 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
183 function split out from ...
184 (forward_propagate_addr_expr): ... here. Use it to propagate
185 ADDR_EXPRs to all uses.
187 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
189 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
190 * builtins.c (expand_builtin_mathfn): Use them.
191 (expand_builtin_mathfn_2): Likewise.
192 (expand_builtin_mathfn_3): Likewise.
193 (expand_builtin_int_roundingfn): Likewise.
194 (expand_builtin): Likewise.
195 (integer_valued_real_p): Likewise.
196 (fold_builtin_int_roundingfn): Likewise.
197 (fold_builtin_bitop): Likewise.
198 (fold_builtin_logarithm): Likewise.
199 (fold_builtin_1): Likewise.
200 * convert.c (convert_to_integer): Likewise.
201 * fold-const.c (negate_mathfn_p): Likewise.
202 (tree_expr_nonnegative_p): Likewise.
204 2005-11-30 Dale Johannesen <dalej@apple.com>
205 Andrew Pinski <pinskia@physics.uc.edu>
207 * combine.c (find_split_point): Sign extend bitmask
208 when changing bitfield assignment to IOR of AND.
210 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
212 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
213 clobber to scratch reg.
214 (*decrement_and_branch_until_zero_no_clobber): Remove.
215 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
216 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
217 * config/ms1/ms1.opt (mmul): Remove.
218 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
219 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
221 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
222 Bernd Schmidt <bernd.schmidt@analog.com>
224 * pa/predicates.md (symbolic_operand): Add comment.
225 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
226 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
227 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
228 (pa_secondary_reload_class): Delete.
229 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
230 and pa_secondary_reload_class. Reorder some checks. Update inline
231 copy of symbolic operand.
232 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
234 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
236 * loop-doloop.c (add_test): Only add jump notes if we did emit a
239 2005-11-30 Jeff Law <law@redhat.com>
241 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
242 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
244 2005-11-30 Jakub Jelinek <jakub@redhat.com>
246 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
247 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
248 (ia64_expand_move): Adjust caller.
250 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
251 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
254 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
256 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
257 Always produce an output if we can remove NEGs or canonicalize
258 (minus (minus ...)) expressions. Provide a fast path for the
260 (simplify_gen_binary): Do not call simplify_plus_minus.
261 (simplify_binary_operation_1): Reassociate at the end of the
264 2005-11-29 Evan Cheng <evan.cheng@apple.com>
266 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
267 moves and unpack to speed up.
269 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
271 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
272 argument, they are always sparc_compare_op0 and sparc_compare_op1.
273 (gen_v9_scc): Update callers.
274 * config/sparc/sparc.md: Likewise.
275 * config/sparc/sparc-protos.h: Update extern declaration.
277 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
279 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
281 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
284 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
286 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
287 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
290 2005-11-29 Ben Elliston <bje@au.ibm.com>
292 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
295 2005-11-29 Ben Elliston <bje@au.ibm.com>
297 * Makefile.in (clean-target): Depend on clean-target-libgcc.
298 (clean-target-libgcc): Import rule from the top-level Makefile.in.
300 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
304 * builtins.c (init_target_chars): New.
305 (expand_builtin_printf, expand_builtin_fprintf,
306 expand_builtin_sprintf, fold_builtin_sprintf,
307 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
308 fold_builtin_snprintf_chk, fold_builtin_printf,
309 fold_builtin_fprintf): Check for matching format strings using
312 2005-11-29 Paul Brook <paul@codesourcery.com>
314 * config.gcc: Do not use fixproto on m68k-elf.
316 2005-11-28 Roger Sayle <roger@eyesopen.com>
318 * expmed.c (div_cost): Replace with...
319 (sdiv_cost, udiv_cost): New.
320 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
321 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
322 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
323 (expand_divmod): Replace use of div_cost with either sdiv_cost
324 or udiv_cost depending upon the signedness of the operation.
326 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
329 * config/darwin.c (machopic_indirection_name,
330 machopic_output_indirection): Follow transparent alias chain.
332 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
334 * varasm.c (ultimate_transparent_alias_target): Add comment.
336 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
338 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
339 SET_SRC instead of XEXP where appropriate.
341 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
343 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
346 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
348 * config/fp-bit.h (LSHIFT): Take shift count parameter.
349 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
352 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
354 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
355 secondary_input_reload_class, made static. Adapt to new
357 (secondary_output_reload_class): Delete.
358 (TARGET_SECONDARY_RELOAD): New macro.
359 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
360 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
362 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
365 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
366 when its natural alignment is > BITS_PER_UNIT.
367 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
368 * c-common.c (handle_packed_attribute): Ignore packing on a field
369 whose type is naturally char aligned.
371 2005-11-28 Richard Guenther <rguenther@suse.de>
373 * c-common.c (strict_aliasing_warning): Handle all
374 component-ref like accesses.
376 2005-11-28 Roger Sayle <roger@eyesopen.com>
377 Uros Bizjak <uros@kss-loka.si>
380 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
381 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
382 when flag_unsafe_math_optimizations is set and
383 we don't care about NaNs or Infinities.
385 Move x/expN(y) and x/pow(y,z) transformation into common
386 flag_unsafe_math_optimizations section.
388 2005-11-27 Mark Mitchell <mark@codesourcery.com>
390 * gcc.c (main): Change type of argv to "char **".
392 2005-11-28 Alan Modra <amodra@bigpond.net.au>
394 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
396 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
397 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
398 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
399 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
400 output locals to sbss if !rs6000_elf_in_small_data_p.
401 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
403 2005-11-28 Alan Modra <amodra@bigpond.net.au>
406 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
408 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
409 indexed_or_indirect_address.
410 (indexed_or_indirect_address): Don't test for base reg. Call
411 address_operand last. Make it a special predicate.
413 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
415 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
417 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
420 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
422 (negate_expr): Likewise.
424 2005-11-27 Andreas Schwab <schwab@suse.de>
426 * config/m68k/m68k.c: Reindent and fix whitespace, remove
429 2005-11-27 Steven Bosscher <stevenb@suse.de>
431 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
432 has EH predecessor edges.
434 2005-11-26 Eric Christopher <echristo@apple.com>
436 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
437 register stalls by zero extending to the full register.
439 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
441 * config/floatunsisf.c, config/floatunsidf.c,
442 config/floatunsixf.c, config/floatunsitf.c: New files.
443 * config/ia64/t-hpux: Add floatunsitf.c.
444 * config/ia64/ia64.c (ia64_init_libfuncs): Use
445 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
447 2005-11-26 Richard Henderson <rth@redhat.com>
449 * c-lex.c (pragma_lex): Rename from c_lex.
450 * c-pch.c: Update for pragma_lex rename.
451 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
452 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
453 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
454 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
455 * doc/tm.texi: Likewise.
457 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
460 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
461 when overflow is undefined.
463 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
465 * doc/md.texi (Insn Canonicalizations): Refer to the
466 function commutative_operand_precedence for further rules.
468 2005-11-25 Roger Sayle <roger@eyesopen.com>
471 * expmed.c (choose_mult_variant): Return immediately when mult_cost
472 is less than zero. Limit mult_cost to a reasonable upper bound for
473 the synthetic multiplication sequence.
475 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
478 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
479 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
480 Lookup the explicit replacement functions for any unlocked
481 stdio builtin transformations.
483 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
485 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
487 * targhooks.c (default_secondary_reload): Don't require operand 2
488 for an input reload to be earlyclobber.
490 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
492 * fold-const.c (negate_mathfn_p): Fix comment and add support
493 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
496 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
499 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
500 _Q_ulltoq for unsigned conversions from SImode and DImode to
503 2005-11-25 Alan Modra <amodra@bigpond.net.au>
505 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
506 (__floatundidf, __floatundisf): Likewise.
508 2005-11-25 David Edelsohn <edelsohn@gnu.org>
510 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
511 (rs6000_override_options): Remove initialization of
513 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
514 (rs6000_emit_stack_tie): Same.
515 (emit_frame_save): Same.
516 (gen_frame_mem_offset): Same.
517 (rs6000_emit_prologue): Same.
518 (rs6000_emit_epilogue): Same.
520 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
523 * fold-const.c (fold_build): Convert bool_var != 1 and
524 bool_var == 0 to !bool_var.
526 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
529 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
530 for C being INTEGER_CST. Likewise for !=.
532 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
535 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
536 unsigned conversions from SImode to TFmode.
538 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
540 * expr.c (expand_expr_real_1): Fix error in last change.
542 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
544 * caller-save.c: (this_insn_sets): Move into:
545 (save_call_clobbered_regs).
546 (mark_set_regs): Get this_insn_sets from data.
548 (save_call_clobbered_regs): Take sets of the return value by
549 sibcalls into account.
551 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
554 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
555 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
556 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
557 (memory_move_secondary_cost, init_reg_autoinc): Remove
558 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
559 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
560 secondary_reload_class call.
561 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
563 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
564 (push_secondary_reload): Use secondary_reload target hook.
565 (secondary_reload_class, scratch_reload_class): New functions.
566 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
567 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
568 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
569 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
570 (secondary_reload_class, scratch_reload_class): Declare.
571 * reload1.c: Include target.h.
572 (reload_adjust_reg_for_temp): New function.
573 (reload_adjust_reg_for_icode): Likewise.
574 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
575 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
577 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
578 for inheritance. Support case when both secondary & tertiary reloads
579 are for intermediate registers.
580 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
581 with secondary_reload_class call. Support case when both secondary
582 & tertiary reloads are for intermediate registers.
583 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
584 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
585 * target.h (secondary_reload_info): New struct / typedef.
586 (struct gcc_target): New member secondary_reload.
587 * targhooks.c Include reload.h, optabs.h and recog.h.
588 (default_secondary_reload): New function.
589 * targhooks.h (default_secondary_reload): Declare.
590 * doc/tm.texi: Document secondary_reload target hook. Update
591 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
592 * doc/md.texi: Likewise.
594 * sh-protos.h (sh_secondary_reload): Declare.
595 * sh.c (TARGET_SECONDARY_RELOAD): Override.
596 (sh_secondary_reload): New function.
597 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
598 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
599 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
600 (HAVE_SECONDARY_RELOADS): Define.
601 * sh.md (reload_indf): Rename to:
603 (reload_outdf): Rename to:
604 (reload_outdf__RnFRm).
605 (reload_insf): Rename to:
607 (reload_insi): Rename to:
608 (reload_insi__i_fpul).
610 2005-11-24 Uros Bizjak <uros@kss-loka.si>
612 * configure.ac: Require at least texinfo 4.4.
613 * configure: Regenerate.
615 * doc/install.texi (Tools/packages necessary for building GCC):
616 Update required version of texinfo to at least 4.4.
617 (Installing GCC: Building): Update required version of texinfo
619 (Installing GCC: Final installation): Update required version
620 of texi2dvi to at least 4.4.
621 (Host/target specific installation notes for GCC): Update required
622 version of texinfo to at least 4.4.
624 2005-11-24 Richard Guenther <rguenther@suse.de>
625 Dirk Mueller <dmueller@suse.de>
628 * c-common.h (strict_aliasing_warning): Declare.
629 * c-common.c (strict_aliasing_warning): New function,
631 * c-typeck.c (build_c_cast): ... here.
633 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
635 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
637 (swap_commutative_operands_with_target): New.
639 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
641 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
642 also when doing PRE, rather than only for global CPROP.
644 2005-11-24 Ben Elliston <bje@au.ibm.com>
646 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
647 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
649 (expand_twoval_unop): Likewise.
650 (widen_clz): Likewise.
651 (expand_parity): Likewise.
652 (expand_unop): Likewise.
653 (emit_cmp_and_jmp_insn_1): Likewise.
654 (prepare_float_lib_cmp): Likewise.
656 2005-11-24 Ben Elliston <bje@au.ibm.com>
658 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
659 Remove unused `class' variable.
661 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
664 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
665 C/C++ diagnostic function warn_array_subscript_with_type_char.
666 * c-common.h (warn_array_subscript_with_type_char): Declare.
667 * c-common.c (warn_array_subscript_with_type_char): Define.
669 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
672 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
673 compiling at the intersection of C and C++.
675 2005-11-23 Mark Mitchell <mark@codesourcery.com>
677 * doc/invoke.texi: For man pages, include gcc-vers.texi.
678 List @file in the option summary. Include the libiberty
679 documentation for @file.
680 * gcc.c (main): Call expandargv.
681 * Makefile.in (gcc-vers.texi): Define srcdir.
683 2005-11-23 Diego Novillo <dnovillo@redhat.com>
685 * passes.c (init_optimization_passes): Document
686 sequencing of passes.
688 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
690 * config/m68k/predicates.md (pcrel_address, extend_operator,
691 post_inc_operand, pre_dec_operand): Remove redundant
693 (const_uint32_operand, const_sint32_operand): Use gcc_assert
695 (valid_dbcc_comparison_p): Rewrite in the lisp style.
697 2005-11-23 Ben Elliston <bje@au.ibm.com>
699 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
701 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
703 Preparatory work for PR target/21623:
704 * alpha.c (secondary_reload_class): Rename to:
705 (alpha_secondary_reload_class).
706 * alpha.h, alpha-protos.h: Likewise.
707 * mn10300.c (secondary_reload_class): Rename to:
708 (mn10300_secondary_reload_class).
709 * mn10300.h, mn10300-protos.h: Likewise.
710 * pa.c (secondary_reload_class): Rename to:
711 (pa_secondary_reload_class).
712 * pa.h, pa-protos.h: Likewise.
713 * rs6000.c (secondary_reload_class): Rename to:
714 rs6000_secondary_reload_class.
715 * rs6000.h, rs6000-protos.h: Likewise.
717 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
720 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
722 2005-11-22 Ian Lance Taylor <ian@airs.com>
724 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
726 (prepare_cmp_insn): Likewise.
728 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
731 * m68k.md (zero_extendsidi2): Force operands[1] to a register
732 if both operands[0] and operands[1] are memory.
734 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
737 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
738 COMPARISON_CLASS_P and an integral types create create a new
739 expression with the new type and fold that.
741 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
744 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
745 to SUBTARGET_OS_CPP_BUILTINS.
747 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
749 * arm.c (emit_set_insn): New function.
750 (arm_split_constant): Call it.
751 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
752 (arm_legitimize_address): Likewise. Use plus_constant.
753 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
754 (thumb_expand_prologue): Likewise.
755 (arm_gen_load_multiple): Use VOIDmode in SET.
756 (arm_gen_store_multiple): Likewise.
757 (vfp_emit_fstmx): Likewise. Use plus_constant.
758 (emit_multi_reg_push): Likewise.
759 (emit_sfm): Use plus_constant.
761 2005-11-23 Alan Modra <amodra@bigpond.net.au>
764 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
767 2005-11-22 Alan Modra <amodra@bigpond.net.au>
770 * expmed.c (store_bit_field): Don't attempt to insv a field
773 2005-11-22 Alan Modra <amodra@bigpond.net.au>
776 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
777 explicit sign extension, not a (char) cast.
779 2005-11-22 Ben Elliston <bje@au.ibm.com>
781 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
782 GET_MODE_CLASS (x) == MODE_FLOAT.
783 * config/i386/i386.c: Likewise.
784 * config/rs6000/xcoff.h: Likewise.
785 * config/rs6000/linux64.h: Likewise.
786 * config/rs6000/rs6000.c: Likewise.
787 * config/rs6000/rs6000.h: Likewise.
788 * config/rs6000/predicates.md: Likewise.
789 * config/rs6000/sysv4.h: Likewise.
791 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
793 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
796 * config/alpha/freebsd.h, config/alpha/linux.h,
797 config/arm/linux-elf.h, config/bfin/bfin.h,
798 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
799 config/i386/beos-elf.h, config/i386/gnu.h,
800 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
801 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
802 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
803 config/rs6000/linux64.h, config/rs6000/sysv4.h,
804 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
805 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
806 config/sparc/linux.h, config/sparc/linux64.h,
807 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
809 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
810 are both defined when either flag -fpic or -fPIC are used.
812 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
814 * config/fp-bit.c (clzusi): New function.
815 (si_to_float, usi_to_float): Use it to compute proper shift.
816 (usi_to_float): Preserve guard bits when shifting right.
817 * libgcc-std.ver (GCC_4.2.0): New version.
818 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
819 __floatundisf): New functions.
820 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
821 __floatundisf): Declare.
822 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
823 _floatundixf, and _floatunditf.
824 * optabs.c (expand_float): If target does not define a pattern for
825 signed or unsigned conversion, use an unsigned libcall instead of
827 (init_optabs): Initialize ufloat_optab.
829 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
831 * config/rs6000/rs6000.opt (mmulhw): New option.
832 * doc/invoke.texi (-mmulhw): Document.
833 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
835 * config/rs6000/rs6000.md: Add half-word multiply and
836 multiply-accumulate instructions for 405 and 440.
838 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
840 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
841 which matches behavior of gcc 4.0 and older for RTEMS targets. The
842 default now includes a linker group which makes the RTEMS one nest.
844 2005-11-22 Ben Elliston <bje@au.ibm.com>
846 * cse.c (fold_rtx): Typo fix.
847 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
849 2005-11-21 Richard Henderson <rth@redhat.com>
851 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
852 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
854 * c-tree.h (lookup_name): Move declaration ...
855 * c-common.h (lookup_name): ... here.
856 * config/darwin-c.c: Include c-common.h.
857 * config/t-darwin: Update dependencies.
859 2005-11-22 Ben Elliston <bje@au.ibm.com>
861 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
862 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
863 * genopinit.c (gen_insn): Likewise.
864 * reload.c (find_equiv_reg): Likewise.
865 * loop.c (load_mems): Likewise.
866 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
867 * cse.c (find_comparison_args, fold_rtx): Likewise.
868 * dwarf2out.c (add_const_value_attribute): Likewise.
869 * expr.c (convert_move): Likewise.
870 * recog.c (general_operand, register_operand): Likewise.
871 * reg-stack.c (replace_reg): Likewise.
872 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
873 * c-common.c (handle_vector_size_attribute): Likewise.
874 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
875 (simplify_binary_operation_1): Likewise.
876 (simplify_const_binary_operation): Likewise.
877 (simplify_relational_operation): Likewise.
878 (simplify_const_relational_operation): Likewise.
879 (simplify_immed_subreg): Likewise.
880 * emit-rtl.c (gen_lowpart_common): Likewise.
881 * expmed.c (expand_mult): Likewise.
882 * stor-layout.c (layout_type): Likewise.
884 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
887 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
888 cst2 only for SPE vectors.
890 2005-11-21 David Edelsohn <edelsohn@gnu.org>
893 * config/rs6000/predicates.md (vrsave_operation): Check
894 UNSPEC_VOLATILE value.
896 2005-11-21 Jan Hubicka <jh@suse.cz>
898 PR tree-optimization/24653
899 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
901 2005-11-21 Uros Bizjak <uros@kss-loka.si>
903 * config/i386/predicates.md (ax_reg_operand): New predicate.
904 (memory_displacement_only_operand): New predicate.
905 * config/i386/i386.md ("modrm" attribute): Return 0 if one
906 operand is AX register and the other operand is memory operand
907 with displacement only.
909 2005-11-21 Uros Bizjak <uros@kss-loka.si>
911 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
912 if we don't care about NaNs or Infinities.
914 2005-11-20 Ian Lance Taylor <ian@airs.com>
916 PR rtl-optimization/24883
917 * combine.c (combinable_i3pat): When checking whether the
918 destination of i3 is used in i3, consider paradoxical subregs.
920 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
923 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
925 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
927 * combine.c (try_combine): Do not run subst on i1src and i2src in
928 the case of generating a PARALLEL for a comparison.
930 2005-11-20 Richard Henderson <rth@redhat.com>
933 * tree-sra.c (struct sra_elt): Add all_no_warning.
934 (struct sra_walk_fns) <use>: Add use_all argument.
935 (sra_walk_expr): Pass it.
936 (sra_walk_modify_expr): Likewise.
937 (scalarize_ldst): Likewise.
938 (scan_use): Update for new argument.
939 (mark_no_warning): New.
940 (scalarize_use): Use it.
942 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
944 * expr.c (expand_expr_real): Use usmul_optab for widening
945 signed * unsigned multiplies.
946 * genopinit.c (optabs): Add usmul_widen_optab.
947 * optabs.c (init_optabs): Likewise.
948 * optabs.h (enum optab_index): Add OTI_usmul_widen.
949 (usmul_widen_optab): Define.
950 * config/bfin/bfin.md (usmulhisi3): New pattern.
952 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
954 2005-11-20 Graham Stott <btinternet.com>
956 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
958 2005-11-20 Andreas Schwab <schwab@suse.de>
961 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
964 2005-11-19 Richard Henderson <rth@redhat.com>
967 * tree-gimple.c (is_gimple_id): Export.
968 * tree-gimple.h (is_gimple_id): Declare.
969 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
970 (get_default_value): Use it.
971 (maybe_fold_stmt_indirect): Likewise.
973 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
975 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
976 than VR1 or vice-versa.
978 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
982 * reload.c (find_reloads_address_1): Mention dependency on
984 * reload1.c (gen_reload): For IN with an unary operation, try
985 moving inner expression to OUT if trivial SET is not valid.
986 Confirm that the result is valid. Move common code block into...
987 (emit_insn_if_valid_for_reload): New function.
989 2005-11-19 Richard Guenther <rguenther@suse.de>
991 * fold-const.c (fold_indirect_ref_1): Make sure we fold
992 ARRAY_REFs of constant strings.
994 2005-11-19 Jakub Jelinek <jakub@redhat.com>
996 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
999 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
1001 * combine.c (make_compound_operation): Swap operands of
1002 commutative operation if necessary before returning.
1004 2005-11-19 Richard Guenther <rguenther@suse.de>
1007 * fold-const.c (fold_plusminus_mult_expr): New function.
1008 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
1009 cases, remove now unnecessary code.
1011 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
1013 * gensupport.c (old_preds): Rename to std_preds, add special field.
1014 (struct old_pred_table): Rename to struct std_pred_table, add special
1016 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
1017 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
1018 (init_predicate_table): Adjust, and set along the way whether a
1019 predicate is special.
1021 2005-11-18 Mark Mitchell <mark@codesourcery.com>
1023 * BASE-VER: Change to 4.2.0.
1025 2005-11-18 James E Wilson <wilson@specifix.com>
1027 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
1030 2005-11-18 Mike Stump <mrs@apple.com>
1032 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
1033 * config/darwin-c.c (darwin_pragma_unused): Likewise.
1034 * c-decl.c (lookup_name_two) Remove.
1035 * c-tree.h (lookup_name_two): Remove.
1036 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
1037 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
1038 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
1039 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
1041 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
1044 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
1045 when not generating code to use that co-processor.
1047 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
1049 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
1050 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
1051 these functions are now in tree-phinodes.c.
1053 2005-11-18 Jie Zhang <jie.zhang@analog.com>
1055 * config/bfin/bfin.md (trap): New pattern.
1057 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1059 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
1062 * expr.c (expand_expr_real): Don't call record_block_change unless
1063 ib_boundaries_block is non-null
1065 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
1067 * fold-const.c (build_range_check): Use proper type for subtraction
1068 when merging lower bound.
1070 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
1072 PR rtl-optimization/24497
1073 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
1076 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
1078 * tree-scalar-evolution.c (expression_expensive_p): New function.
1079 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
1081 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
1083 * config/bfin/crtlibid.s: New file.
1085 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1088 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
1089 when not using sjlj exceptions.
1090 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
1091 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1092 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
1093 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
1094 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
1095 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
1096 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
1097 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
1098 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
1099 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
1100 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
1101 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
1102 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
1104 * config/pa/hpux-unwind.h: New file.
1106 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
1108 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
1109 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
1110 * varasm.c (do_assemble_alias): Adjust call.
1111 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
1113 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
1115 2005-11-17 James E Wilson <wilson@specifix.com>
1117 * tree.def (FUNCTION_DECL): Correct typo in comment.
1119 2005-11-17 Richard Henderson <rth@redhat.com>
1121 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
1122 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
1123 and DW_CFA_def_cfa_sf.
1124 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
1125 (dbx_reg_number): Don't assert particular registers here.
1126 (based_loc_descr): ... do it here instead. Fold in ...
1127 (eliminate_reg_to_offset): ... this function.
1128 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
1129 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
1130 * unwind-dw2.c (execute_cfa_program): Apply data align factor
1131 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
1132 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
1133 (instantiate_virtual_regs): Likewise.
1134 * var-tracking.c (adjust_stack_reference): Likewise.
1135 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
1137 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
1139 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
1140 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
1141 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
1143 ($(T)crtlibid.o): New rule.
1145 2005-11-16 Richard Guenther <rguenther@suse.de>
1148 * fold-const.c (extract_array_ref): Return byte offset
1150 (fold_binary): Fold &x[a] CMP &x[b] to
1151 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
1154 2005-11-16 Richard Henderson <rth@redhat.com>
1157 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
1158 parts of an SSA_NAME.
1160 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
1163 * arm.md (split for movsf with immediate): Restrict split to insns
1164 that set a general register.
1166 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1168 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
1170 * unwind-dw2.c (uw_advance_context): Likewise.
1171 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
1172 _Unwind_SjLj_Unregister.
1173 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
1175 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1177 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
1179 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1181 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
1182 langhook to get a DImode integer type.
1184 2005-11-16 Richard Henderson <rth@redhat.com>
1185 J"orn Rennecke <joern.rennecke@st.com>
1186 Ulrich Weigand <uweigand@de.ibm.com>
1190 * reload1.c (reg_equiv_invariant): New.
1191 (reload): Allocate, initialize, and free it.
1192 (calculate_needs_all_insns): Check it when skipping equivalence
1194 (alter_reg): Likewise.
1195 (eliminate_regs_1): Rename from eliminate_regs. Add new
1196 may_use_invariant argument; only use reg_equiv_invariant when true.
1197 (eliminate_regs): New.
1198 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
1199 a context for which may_use_invariant may be true.
1201 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1203 * fold-const.c (const_binop): Don't constant fold the operation
1204 if the result has overflowed and flag_trapping_math.
1205 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
1207 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1209 * config/arm/unwind-arm.c (abort): Add prototype here.
1210 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
1211 (struct phase1_vrs): Add prev_sp.
1212 (unwind_phase2_forced): Save the original core registers instead of
1213 modifying entry_vrs. Take a new flag argument for resuming unwinding
1214 and set action flags accordingly. Always set _US_END_OF_STACK when
1215 get_eit_entry fails. Unwind before calling the stop function.
1216 (_Unwind_GetCFA): New function.
1217 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
1218 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
1219 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
1220 just call unwind_phase2_forced.
1221 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
1222 * config/arm/unwind-arm.h (abort): Remove prototype.
1223 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
1225 (_Unwind_GetCFA): New prototype.
1226 * config/arm/pr-support.c (abort): Add prototype here.
1227 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
1229 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
1230 not schedule the prologue with non-call exceptions and EABI.
1232 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
1234 * config/arm/unwind-arm.h: Reorder interface function declarations.
1235 (_URC_END_OF_STACK): New enumeration value.
1236 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
1237 (struct _Unwind_Control_Block): Document reserved field use.
1238 (_Unwind_Stop_Fn): New typedef.
1239 (_Unwind_ForcedUnwind): Declare.
1240 (_Unwind_Resume_or_Rethrow): Declare.
1241 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
1243 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
1244 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
1245 (UCB_FORCED_STOP_ARG): New.
1246 (search_EIT_table): Update boundary condition checks.
1247 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
1248 (unwind_phase2): Replace for with do..while.
1249 (unwind_phase2_forced): New.
1250 (__gnu_Unwind_RaiseException): Replace for with do..while.
1251 (__gnu_Unwind_ForcedUnwind): New.
1252 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
1253 Use appropriate phase2 unwinder.
1254 (__gnu_Unwind_Resume_or_Rethrow): New.
1255 (__gnu_unwind_pr_common): Cope with forced unwinding.
1257 2005-11-16 David Edelsohn <edelsohn@gnu.org>
1260 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
1262 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
1263 roundsf2): Remove "s" from mnemonic.
1265 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
1267 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
1269 * config/bfin/crtn.s: Change epilogues to match.
1270 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
1271 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
1272 __PIC__ and __pic__.
1274 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
1277 * doc/invoke.texi: Distinguish between free and fixed form instead of
1278 Fortran and Fortran 90/95. Remove ratfor from the list of supported
1280 * gcc.c (default_compilers): Remove double entries, add entries for
1281 suffixes '.F90' and '.F95'.
1283 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1285 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
1286 in the stack probing loop.
1288 2005-11-15 David Edelsohn <edelsohn@gnu.org>
1290 * configure.ac: Use .machine power5 not power5x.
1291 * configure: Regenerate.
1293 2005-11-15 Mike Stump <mrs@apple.com>
1295 * c-decl.c (lookup_name_two): Add.
1296 * c-tree.h (lookup_name_two): Likewise.
1297 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
1298 * config/darwin-c.c (darwin_pragma_unused): Likewise.
1300 2005-11-16 Alan Modra <amodra@bigpond.net.au>
1302 PR rtl-optimization/23392
1303 * regrename.c (enum scan_actions) Add mark_access.
1304 (scan_actions_name): Ditto.
1305 (scan_rtx_reg): Handle mark_access.
1306 (scan_rtx_address): Do nothing for mark_access.
1307 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
1308 and regs in REG_INC notes before closing chains for dead regs.
1309 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
1310 opening chains for new writes.
1312 2005-11-15 David Edelsohn <edelsohn@gnu.org>
1314 * c.opt (ffixed-line-length-none): New.
1316 2005-11-15 Steve Ellcey <sje@cup.hp.com>
1318 * mklibgcc.in: Change contents of eh_dummy.c.
1320 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
1322 * loop.c (scan_loop): Do not insert temporaries for hard registers.
1324 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
1326 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
1328 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
1330 2005-11-15 Jan Hubicka <jh@suse.cz>
1332 * invoke.texi (large-unit-insns): Document.
1333 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
1334 * params.def (large-unit-insns): New param.
1336 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
1339 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
1340 special register for operand 3. Reindent constraints to align
1343 2005-11-14 David Edelsohn <edelsohn@gnu.org>
1345 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
1346 -mpopcntb, -mfprnd. Add -mcpu=power5+.
1347 * configure.ac: Add test for FP rounding instructions.
1348 * configure: Regenerate.
1349 * config.in: Regenerate.
1350 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1351 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
1353 * config/rs6000/rs6000.opt (mfprnd): New.
1354 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
1355 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
1356 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
1357 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
1358 (TARGET_FPRND): New.
1359 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
1361 (btrunc<mode>2): New.
1363 (floor<mode>2): New.
1364 (round<mode>2): New.
1366 2005-11-14 Geoffrey Keating <geoffk@apple.com>
1368 * gcc.c (version_compare_spec_function): Use fatal() rather than
1371 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
1372 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
1373 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
1375 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
1378 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
1379 on -mmacosx-version-min setting.
1381 2005-11-14 Diego Novillo <dnovillo@redhat.com>
1384 * tree-vrp.c (infer_value_range): Return false if STMT is a
1385 block terminator and its basic block has no successors.
1387 2005-11-14 Mike Stump <mrs@apple.com>
1389 * config/i386/i386.c (override_options): -masm=intel isn't
1390 supported on darwin.
1391 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1393 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
1395 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
1396 vfork after including auto-host.h.
1398 2005-11-15 Alan Modra <amodra@bigpond.net.au>
1400 PR rtl-optimization/22002
1401 * combine.c (distribute_notes): Detect cases where a reg dies
1402 two or more times in a bb, including on the insn we are combining,
1403 and place the death note on the correct range.
1405 2005-11-14 Dale Johannesen <dalej@apple.com>
1407 * expmed.c (store_bit_field): Add offset unconditionally for
1409 (extract_bit_field): Don't force extzv or extv operand into
1410 a register if field is too big.
1412 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1414 * config/arm/arm.c (pic_labelno): New.
1415 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
1416 LABEL_REF. Pass only the labelno to PIC insns.
1417 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1418 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
1419 * arm.md (UNSPEC_PIC_LABEL): New constant.
1420 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
1421 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
1422 Use the correct label prefix.
1424 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1426 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
1429 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
1431 * loop-invariant.c: Include tm_p.h.
1432 * Makefile.in: Updated.
1434 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1436 * pa.c (store_reg): Revise generation of frame notes in large frames.
1437 (set_reg_plus_d): Likewise.
1439 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
1441 PR tree-optimization/24709
1442 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
1445 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
1447 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
1448 and duplicate declaration of pthread_self.
1450 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
1451 Ian Lance Taylor <ian@airs.com>
1454 * calls.c (expand_call): If TARGET is a MEM and some part of the
1455 argument area has been saved, force TARGET to a register.
1457 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
1459 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
1462 2005-11-13 Jason Merrill <jason@redhat.com>
1465 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
1466 lazily declared methods.
1467 (force_decl_die): Stop if forcing out the context already make a
1469 (force_type_die): Likewise.
1471 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
1474 * builtins.c (integer_valued_real_p): Add break in
1475 REAL_CST having TREE_OVERFLOW set.
1477 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
1479 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
1480 addressing modes during calculation of costs.
1482 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
1484 * function.c (assign_stack_local_1): Restrict sanity check
1485 on frame size overflow to 32-bit and above platforms.
1487 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1489 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1490 * config/cris/cris.c: Include reload.h.
1491 (cris_initial_elimination_offset): New function.
1492 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
1495 2005-11-12 Richard Guenther <rguenther@suse.de>
1497 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
1499 2005-11-12 Jan Hubicka <jh@suse.cz>
1501 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
1502 to compare against 0 when possible.
1504 2005-11-12 Jie Zhang <jie.zhang@analog.com>
1506 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
1507 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1508 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
1509 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
1512 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1514 * recog.c (constrain_operands) <case 'g'>: For a match, require
1515 that a non-register matches general_operand when strict >= 0.
1517 2005-11-11 Steven Bosscher <stevenb@suse.de>
1519 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
1522 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1524 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
1525 (memory_address_same): New.
1526 (dse_optimize_stmt): Call memory_address_same.
1528 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1531 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
1532 ZERO_EXTEND>: New cases.
1534 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1536 * longlong.h (__clz_tab): Always provide.
1538 2005-11-11 Steven Bosscher <stevenb@suse.de>
1541 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
1543 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
1544 before check_maybe_invariant.
1545 (move_invariant_reg): Use gen_move_insn instead of replacing
1546 SET_DEST with the temporary for the invariant.
1547 (move_loop_invariants): If checking is enabled, do internal
1548 consistency checks after completing the pass.
1550 2005-11-11 David Edelsohn <edelsohn@gnu.org>
1553 * common.opt (Wvolatile-register-var): New.
1554 * varasm.c (make_decl_rtl): Only emit warning when option
1555 specified. Clarify warning message.
1556 * doc/invoke.texi (Wvolatile-register-var): Document new option.
1558 * doc/md.texi (copysign): Document standard named pattern.
1560 2005-11-11 Jie Zhang <jie.zhang@analog.com>
1562 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
1563 bytes when align is 2.
1564 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
1565 by the first instruction of the loop.
1567 2005-11-11 Jason Merrill <jason@redhat.com>
1570 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
1573 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1575 PR rtl-optimization/22509
1576 * local-alloc.c (memref_used_between_p): Check whether a function call
1577 could not reference the memref.
1579 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
1581 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
1582 algorithm so as to choose the best, not the worst, alternative.
1583 Reset accumulated register class before processing next alternative.
1585 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
1588 * calls.c (expand_call): Copy a return value to a plain register
1591 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
1594 * varasm.c (assemble_name): Recompute name only for transparent
1597 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
1599 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
1601 2005-11-04 Jeff Law <law@redhat.com>
1604 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
1605 perform reassociation if the parent statement will not die as
1606 a result of the optimization.
1608 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
1610 * tree-ssa-alias.c (compute_may_aliases): Remove call to
1611 delete_old_heap_vars.
1612 * tree-dfa.c (referenced_var_remove): Remove function.
1613 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
1614 (delete_tree_ssa): Remove call to delete_old_heapvars.
1615 Add call to delete_alias_heapvars.
1616 * tree-flow.h (referenced_var_remove): Remove prototype
1617 (init_alias_heapvars): New prototype.
1618 (delete_alias_heapvars): Ditto.
1619 * Makefile.in (tree-ssa-structalias.o): Add
1620 gt-tree-ssa-structalias.o
1621 (GTFILES): Add tree-ssa-structalias.h and
1622 tree-ssa-structalias.c.
1623 (s-gtype): Add gt-tree-ssa-structalias.h.
1624 * tree-ssa-structalias.c (heapvars): Remove.
1625 (oldheapvars): Remove.
1626 (heapvar_for_stmt): New variable.
1627 (heapvar_lookup): New function.
1628 (heapvar_insert): Ditto.
1629 (get_constraint_for): See if we have an old heapvar
1631 (init_alias_heapvars): New function.
1632 (delete_alias_heapvars): Ditto.
1633 Add include of gt-tree-ssa-structalias.h.
1635 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1638 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
1640 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
1642 * tree.c (int_fits_type_p): Only look at the base type
1643 if it has the same precision as the original type.
1645 2005-11-10 Jakub Jelinek <jakub@redhat.com>
1648 * varasm.c (assemble_alias): Use %q+D in the error
1649 message instead of %J and %qD.
1651 2005-11-10 Richard Guenther <rguenther@suse.de>
1653 * gcse.c (free_ldst_entry): Only free hashtable if
1656 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1658 * function.c (assign_stack_local_1): Issue an error message if
1659 the frame size overflows in the signed target arithmetics.
1661 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1663 * tree.c (build_qualified_type): Chain the new type to the original
1664 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1665 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1666 (build_pointer_type_for_mode): Only return unqualified types.
1667 (build_reference_type_for_mode): Likewise.
1669 2005-11-09 Jakub Jelinek <jakub@redhat.com>
1671 * Makefile.in (gnucompare): Do comparison of all files using one of
1672 the chosen methods and only afterwards decide if just warning should
1673 be issued or comparison failure raised.
1675 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1677 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
1678 (noce_try_abs): Negate if the comparison is reversed.
1679 Look only one instruction backwards for a REG_EQUAL note.
1681 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1684 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
1685 gthr-tpf.h: Define __gthrw. For all identifiers that might
1686 be weak, introduce weakrefs or non-weak aliases with __gthrw,
1687 and prefix all uses with __ghtrw.
1689 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1692 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
1693 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
1694 * c-common.c (handle_weakref_attribute): New.
1695 (c_common_attribute_table): Add weakref.
1696 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
1698 * configure, config.in: Rebuilt.
1699 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
1700 * doc/extend.texi: Document weakref attribute.
1701 * varasm.c (ultimate_transparent_alias_target): New
1702 (assemble_name): Use it.
1703 (weak_finish_1): Split out of...
1704 (weak_finish): ... and deal with weakrefs in...
1705 (weakref_targets): ... new list.
1706 (globalize_decl): Clean up weakref_targets.
1707 (do_assemble_alias): Handle weakrefs.
1708 (finish_aliases_1): Do not reject weakrefs to external symbols.
1709 (assemble_alias): Handle weakrefs.
1711 2005-11-09 Richard Guenther <rguenther@suse.de>
1713 PR tree-optimization/24716
1714 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
1715 t_bool to track results from follow_ssa_edge.
1717 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1719 * final.c (force_source_line): New global variable.
1720 (final_scan_insn): Set it to true instead of clearing last_filename.
1721 (notice_source_line): Return true if force_source_line is true,
1722 unless source info is absent.
1724 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
1727 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
1728 a linkage name for a variable if it a register variable.
1729 * c-decl.c (grokdeclarator): Global register variables
1730 should be set as PUBLIC.
1732 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1735 * config/s390/s390.c (struct s390_frame_layout): New fields
1736 first_save_gpr_slot and last_save_gpr_slot.
1737 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
1738 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
1739 first_save_gpr and last_save_gpr with the _slot variants.
1740 (s390_register_info): Calculate first_save_gpr_slot and
1741 last_save_gpr_slot using regs_ever_live.
1743 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1746 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
1747 for a function containing a landing pad.
1749 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1752 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
1755 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
1757 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
1758 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
1760 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
1763 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
1765 (call,load,store): New insn types.
1766 (mem_access, branch_access): Adjust reservation conditions.
1767 (define_delay): Adjust condition.
1768 (decrement_and_branch_until_zero): Allow for ms2. Set branch
1770 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
1771 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
1773 (call_internal, call_value_internal, return_internal,
1774 return_interrupt_internal, eh_return_internal, indirect_jump,
1775 tablejump): Set call insn type.
1776 (blockage, ei, di): Use appropriate unspec const.
1777 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
1778 (ms1_get_attr_type): Adjust to give load & store types.
1779 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
1780 backwards past a barrier.
1781 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
1783 (struct branch_info, struct label_info): New.
1785 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
1786 (ms1_machine_reorg): New.
1787 (TARGET_MACHINE_DEPENDENT_REORG): Override.
1788 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
1789 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
1790 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
1793 2005-11-09 Per Bothner <per@bothner.com>
1794 Uros Bizjak <uros@kss-loka.si>
1797 * toplev.c (process_options): Initialize debug_hooks early
1798 in case lang_hooks.post_options ends up calling a debug_hook.
1800 2005-11-08 Jakub Jelinek <jakub@redhat.com>
1802 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
1803 DBX_REGISTER_NUMBER being contiguous.
1805 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
1806 Diego Novillo <dnovillo@redhat.com>
1809 * tree-vrp.c (register_edge_assert_for): Do not register
1810 always-false predicates.
1812 2005-11-08 Devang Patel <dpatel@apple.com>
1814 PR tree-optimization/23115
1815 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
1818 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
1820 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
1823 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
1825 Fix PR tree-optimization/23382
1827 * tree-ssa-alias.c (compute_may_aliases): Call
1828 delete_old_heap_vars.
1829 * tree-dfa.c (referenced_var_remove): New function.
1830 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
1831 * tree-flow.h (referenced_var_remove): Add prototype.
1832 (delete_old_heap_vars): Ditto.
1833 * tree-ssa-structalias.c (heapvars): New variable.
1834 (oldheapvars): Ditto.
1835 (get_constraint_for): Put heap vars on heapvars list.
1836 (delete_old_heap_vars): New function.
1838 2005-11-08 Jason Merrill <jason@redhat.com>
1840 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
1842 2005-11-08 Uros Bizjak <uros@kss-loka.si>
1845 * reg-stack.c (reg_to_stack): Update register liveness also
1846 for flag_sched2_use_traces.
1848 2005-11-08 Alan Modra <amodra@bigpond.net.au>
1851 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
1852 override prior explicit -mno-powerpc-gfxopt.
1854 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
1856 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
1857 if the bitsize is zero.
1858 * doc/md.texi (Standard Pattern Names): Document it.
1860 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
1861 (TARGET_PASS_BY_REFERENCE): Likewise.
1863 2005-11-07 Ian Lance Taylor <ian@airs.com>
1865 PR rtl-optimization/24683
1866 * config/i386/i386.c (legitimize_pic_address): If constant operand
1867 to PLUS is too large, put it in a register.
1869 2005-11-07 Jie Zhang <jie.zhang@analog.com>
1871 * configure.ac: Enable checking assembler dwarf2 support for bfin
1873 * configure: Regenerate.
1875 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1879 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
1880 gen_easy_vector_constant_add_self): Delete.
1881 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
1883 (output_vec_const_move): Use gen_easy_altivec_constant.
1884 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
1885 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
1886 (easy_vector_constant_add_self): Rewritten.
1887 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
1888 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
1889 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
1890 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
1891 Macroize and adjust for the other changes.
1893 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1897 * c-typeck.c (build_c_cast): Try using a shared constant, and see
1898 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
1900 2005-11-07 Jakub Jelinek <jakub@redhat.com>
1902 PR rtl-optimization/23567
1903 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
1904 (noce_process_if_block): Don't do any optimizations except
1905 if (cond) x = x; if !set_b and write into orig_x may trap
1906 or fault. Remove the MEM_READONLY_P check.
1908 2005-11-06 Diego Novillo <dnovillo@redhat.com>
1911 * tree-vrp.c (fix_equivalence_set): New.
1912 (extract_range_from_assert): Call it.
1914 2005-11-05 Ian Lance Taylor <ian@airs.com>
1917 * combine.c (apply_distributive_law): Don't distribute across a
1920 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
1922 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
1923 config/ms1/ms1.h, config/rs6000/predicates.md,
1924 config/s390/s390.c, params.def, postreload-gcse.c,
1925 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
1926 tree-vrp.c, tree.c: Fix comment typos.
1927 * doc/invoke.texi: Fix typos.
1929 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
1931 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
1932 for testing whether the data_dependence_relation contains distance
1933 vectors. Iterate over all distance vectors of the ddr.
1934 * lambda.h: Define a vec of lambda_vector pointers.
1935 * tree-data-ref.c (dump_data_dependence_relation,
1936 dump_data_dependence_direction): Iterate over all distance and
1937 direction vectors of the ddr.
1938 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
1940 (build_classic_dist_vector, build_classic_dir_vector): Push a set
1941 of distance/direction vectors instead of a single one.
1942 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
1943 lambda_vectors with a vec of lambda_vectors.
1944 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
1945 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
1946 DDR_NUM_DIST_VECTS): New.
1947 * tree-loop-linear.c (gather_interchange_stats): Test for the
1948 existence of distance vectors only after having checked that there
1949 is a dependence. Iterate over all distance vectors of the ddr.
1950 (linear_transform_loops): Use dump_data_dependence_relation.
1951 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
1952 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
1953 distance vectors of the ddr.
1955 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
1957 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
1958 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
1959 IS_INTHANDLER; all callers changed.
1960 (n_regs_saved_by_prologue): Take interrupt handler attributes into
1962 (do_link, do_unlink): New argument ALL; all callers changed.
1963 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
1964 If function isn't leaf, save and restore all registers.
1965 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
1968 2005-11-05 Jan Hubicka <jh@suse.cz>
1970 PR rtl-optimization/23490
1971 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
1972 max-flow-memory-location): Document.
1973 * flow.c: Include params.h
1974 (MAX_MEM_SET_LIST_LEN): Kill.
1975 (add_to_mem_set_list): Use new param.
1976 * cse.c (cse_basic_block): Replace 1000 by new param.
1977 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
1978 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
1979 * predict.c (predict_loops): Use new param.
1980 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
1982 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
1983 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
1984 Do not hold memory returned by cgraph_node_name across other call.
1986 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
1989 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
1992 2005-11-04 Jeff Law <law@redhat.com>
1995 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
1996 * tree-ssa-dom.c: Include params.h.
1997 (thread_across_edge): If there are too many statements in the
1998 target block, then do not thread through it.
1999 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
2000 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
2002 2005-11-03 Diego Novillo <dnovillo@redhat.com>
2005 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
2006 TODO_update_ssa instead of TODO_update_ssa_no_phi.
2008 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
2011 * tree-scalar-evolution.c (instantiate_parameters_1,
2012 instantiate_parameters, resolve_mixers): Compute the size of an
2013 expression to be instantiated and give up the instantiation if the
2014 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2016 2005-11-04 Richard Guenther <rguenther@suse.de>
2018 * tree-flow.h (ref_contains_indirect_ref): Rename to
2019 array_ref_contains_indirect_ref.
2020 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
2021 (array_ref_contains_indirect_ref): Make comment match the code
2023 (ref_contains_array_ref): Likewise.
2024 * tree-ssa-structalias.c (find_func_aliases): Remove call to
2025 ref_contains_indirect_ref.
2026 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2027 Rename calls to ref_contains_indirect_ref.
2029 2005-11-04 Paul Brook <paul@codesourcery.com>
2031 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
2032 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
2033 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2034 * config/arm/arm.md: Use match_operand in peephole input templates
2035 and match_dup in peephole output templates.
2037 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2039 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
2042 2005-11-04 Mark Mitchell <mark@codesourcery.com>
2043 Daniel Jacobowitz <dan@codesourcery.com>
2045 * longlong.h (add_ssaaaa): Clobber condition code register
2047 (sub_ddmmss): Likewise.
2048 (umul_ppmm): Likewise.
2050 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2051 Paul Brook <paul@codesourcery.com>
2052 Phil Blundell <pb@reciva.com>
2054 * configure.ac: Add test for ARM TLS support.
2055 * configure: Regenerated.
2056 * config/arm/arm-protos.h (legitimize_tls_address)
2057 (arm_tls_referenced_p, tls_mentioned_p)
2058 (arm_output_addr_const_extra): New prototypes.
2059 (thumb_legitimize_pic_address): Delete.
2060 * config/arm/arm.c: Include "gt-arm.h".
2061 (enum tls_reloc): New.
2062 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
2063 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
2064 (arm_call_tls_get_addr, legitimize_tls_address)
2065 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
2066 (arm_init_tls_builtins, arm_emit_tls_decoration)
2067 (arm_output_addr_const_extra): New functions.
2068 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
2069 (TARGET_HAVE_TLS): Define.
2070 (target_thread_pointer): New.
2071 (arm_override_options): Handle -mtp=.
2072 (legitimize_pic_address): Ignore UNSPECs.
2073 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
2075 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
2076 (tls_get_addr_libfunc): New variable.
2077 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
2078 (arm_init_builtins): Call arm_init_tls_builtins.
2079 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
2080 (arm_encode_section_info): Call default_encode_section_info.
2081 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
2082 (enum arm_tp_type): New.
2083 (target_thread_pointer): Add declaration.
2084 (LEGITIMATE_CONSTANT_P): Handle TLS.
2085 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
2086 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
2087 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
2088 * config/arm/arm.md: Add UNSPEC_TLS.
2089 (movsi): Handle TLS.
2090 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
2092 (tls_load_dot_plus_eight): New insn and a peephole to create it.
2093 (load_tp_hard, load_tp_soft): New insns.
2094 * arm.opt: Add -mtp=.
2095 * doc/invoke.texi (ARM Options): Document -mtp.
2097 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2099 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
2100 * config/arm/libunwind.S: Include "lib1funcs.asm".
2101 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
2102 (LIB2ADDEH): Add libunwind.S.
2103 (LIB2ADDEHDEP): Add lib1funcs.asm.
2104 * mklibgcc.in: Handle asm files in libgcc_eh.a.
2106 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2109 * gcc/c.opt: Add a -lang-fortran option.
2110 * gcc/c-opts.c: Add a lang_fortran flag.
2111 (c_common_init_options): Handling the -lang-fortran option.
2112 (c_common_handle_option): Add a case for Fortran options in
2113 preprocessing. Remove cases for -ffixed-form and
2114 -ffixed-line-length. Add a case for -lang-fortran.
2116 2005-11-03 David Edelsohn <edelsohn@gnu.org>
2118 * config/rs6000/rs6000.c: Include params.h
2119 (optimization_options): Set max-grow-copy-bb-insns default to 16.
2120 (bdesc_2arg): Delete vpkuhss and vpkuwss.
2121 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
2122 (UNSPEC_VPKUWSS): Delete.
2123 (altivec_vpkuhss): Delete.
2124 (altivec_vpkuwss): Delete.
2125 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
2127 (neg_eq0<mode>): Remove final condition.
2128 (neg_eq<mode>): Remove condition and split-condition.
2130 2005-11-04 Alan Modra <amodra@bigpond.net.au>
2132 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
2133 Use associated print macros.
2135 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
2138 * diagnostic.c (diagnostic_set_info_translated): New function.
2139 (diagnostic_set_info): Use it. Add comment.
2140 * diagnostic.h (diagnostic_set_info_translated): Declare.
2142 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
2144 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
2145 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
2146 reference only if 'public' is true.
2147 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
2148 emit the .hidden directive only if the indirect reference is public.
2149 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
2150 Pass it to dw2_force_const_mem.
2151 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
2152 * dwarf2out.c (output_cfi): Adjust calls to above function.
2153 (output_call_frame_info): Likewise.
2154 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
2155 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
2157 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
2159 PR tree-optimization/24483
2160 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
2161 field to elts if possible.
2163 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
2166 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
2169 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
2171 Fix PR tree-optimization/24351
2173 * tree-ssa-structalias.c (struct variable_info): Add
2175 (get_varinfo_fc): New function to follow collapsing.
2176 (new_var_info): Set collapsed_to to NULL.
2177 (dump_constraint): Follow collapsing.
2178 (build_constraint_graph): Handle collapsing.
2179 (do_simple_structure_copy): Return false if something bad
2181 (collapse_rest_of_var): New function.
2182 (do_structure_copy): Collapse if do_simple_structure_copy returns
2185 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
2188 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
2189 expressions to a statement list instead of gimplifying them.
2191 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2193 PR rtl-optimization/23585
2194 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
2195 that can't trap plus a constant integer, if the mode has zero size.
2197 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
2200 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
2202 ("*insv<mode>_reg_extimm"): Likewise.
2204 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
2207 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
2208 c_common_type_for_mode returns an unnamed type.
2210 2005-11-02 Richard Henderson <rth@redhat.com>
2214 * dwarf2out.c (dwarf2out_reg_save_reg): New.
2215 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
2216 * function.c (assign_parms): Use calls.internal_arg_pointer.
2217 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
2219 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
2220 (TARGET_CALLS): Add it.
2221 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
2222 * targhooks.c (default_internal_arg_pointer): New.
2223 * targhooks.h (default_internal_arg_pointer): Declare.
2224 * tree.h (dwarf2out_reg_save_reg): Declare.
2225 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
2226 * config/i386/i386.c (dbx_register_map): Add return column.
2227 (dbx64_register_map, svr4_dbx_register_map): Likewise.
2228 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
2229 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
2230 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
2231 (ix86_save_reg): Save force_align_arg_pointer.
2232 (ix86_emit_save_regs): Make regno unsigned.
2233 (ix86_emit_save_regs_using_mov): Likewise.
2234 (ix86_expand_prologue): Handle force_align_arg_pointer.
2235 (ix86_expand_epilogue): Likewise.
2236 * config/i386/i386.h: (dbx_register_map): Update.
2237 (dbx64_register_map, svr4_dbx_register_map): Update.
2238 (struct machine_function): Add force_align_arg_pointer.
2239 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
2240 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
2241 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
2243 2005-11-02 Jan Hubicka <jh@suse.cz>
2246 * i386.md: Add peep2 for simplyfing array accesses.
2248 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
2251 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
2252 * config/s390/s390.c (s390_decompose_shift_count): New function.
2253 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
2254 (print_shift_count_operand): Use s390_decompose_shift_count.
2255 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
2256 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
2258 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
2261 * loop.c (loop_givs_rescan): Use force_operand to expand
2264 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
2267 * fold-const.c (build_range_check): Use unsigned when signed
2268 overflow is undefined also. If etype is subtype, make sure that
2269 the subtraction is in the supertype.
2271 2005-11-02 Richard Henderson <rth@redhat.com>
2274 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
2277 2005-11-01 Richard Henderson <rth@redhat.com>
2280 * loop.c (scan_loop): Do not propagate computations to a hard
2281 register destination with SMALL_REGISTER_CLASSES.
2283 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
2285 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
2286 costs for MULT inside PLUS or MINUS.
2288 2005-11-01 Bob Wilson <bob.wilson@acm.org>
2290 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
2291 (TRAMPOLINE_SIZE): Round up to 60.
2292 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
2294 2005-10-31 James E. Wilson <wilson@specifix.com>
2297 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
2298 ifdef. Put ifdefs around call in gen_subprogram_die.
2299 (compute_frame_pointer_to_cfa_displacement): Likewise.
2300 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
2303 PR rtl-optimization/17356
2304 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
2305 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
2307 2005-10-31 Jan Hubicka <jh@suse.cz>
2310 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
2313 * i386.c (legitimize_pic_address): Deal with large immediates.
2316 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
2317 from symbol names while computing checkup.
2320 * predict.c (predict_loops): Do not estimate more than
2321 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
2322 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
2324 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
2326 PR tree-optimization/19097
2327 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
2329 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
2331 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
2333 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
2336 * tree-inline.c (setup_one_parameter): If the init_stmt
2337 is NULL, don't insert the statement.
2339 2005-10-30 Jan Hubicka <jh@suse.cz>
2341 PR tree-optimization/24172
2342 * tree-inline.c (copy_body_r): Unshare the substituted value first.
2344 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
2346 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
2347 constants for hosts with long != 32 bits.
2349 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
2352 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
2354 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
2356 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
2357 (TARGET_MS1_16_002): New.
2358 (TARGET_MS1_16_003): New.
2360 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
2361 ("*decrement_and_branch_until_zero_no_clobber"): New.
2362 Add corresponding splitter for decrement_and_branch_until_zero
2364 Key all decrement_and_branch_until_zero patterns off of
2367 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
2370 * tree-complex.c (extract_component): Treat RESULT_DECL
2371 like the rest of the decls.
2373 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
2375 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
2376 indirect call to _mcount if the function needs a static chain.
2378 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
2379 Caroline Tice <ctice@apple.com>
2381 PR rtl-optimization/24460
2382 * dwarf2out.c (have_switched_text_sections): New boolean variable.
2383 (dwarf2out_switch_text_section): Set it to true instead of
2384 incrementing separate_line_info_table_in_use.
2385 (output_loc_list): Additionally test have_switched_text_sections.
2386 (output_ranges): Likewise.
2387 (dwarf2out_finish): Likewise.
2388 * varasm.c (assemble_start_function): Do not call
2389 insert_section_boundary_note.
2390 (assemble_end_function): If flag_reorder_blocks_and_partition,
2391 switch to the function's section before emitting the .size directive.
2392 * bb-reorder.c (insert_section_boundary_note): Staticify.
2393 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
2394 * output.h (insert_section_boundary_note): Delete.
2396 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
2399 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
2400 instead of pointer equality when comparing types.
2402 2005-10-24 James E. Wilson <wilson@specifix.com>
2404 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
2405 add_dependence_list_and_free calls.
2407 2005-10-24 Steven Bosscher <stevenb@suse.de>
2409 * contrib.texi: Add the names of the LLNL folks who donated
2410 Cray pointer support for gfortran.
2412 2005-10-24 Steven Bosscher <stevenb@suse.de>
2414 PR tree-optimization/24225
2415 * profile.c (branch_prob): Look from end to start through a
2416 basic block when looking for a locus.
2418 2005-10-24 Richard Henderson <rth@redhat.com>
2420 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
2422 (hppa_expand_prologue): Likewise.
2424 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2426 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
2427 (NO_DEFERRED_PROFILE_COUNTERS): Define.
2428 * pa.h (NO_PROFILE_COUNTERS): Define.
2429 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
2430 (funcdef_nos): New vector to hold label numbers of deferred profile
2432 (output_deferred_profile_counters): New function.
2433 (hppa_profile_hook): Push label number onto funcdef_nos.
2434 (pa_hpux_file_end): Call output_deferred_profile_counters if
2435 NO_DEFERRED_PROFILE_COUNTERS is false.
2437 * pa-protos.h (get_deferred_plabel): New prototype.
2438 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
2440 (output_call): Adjust calls.
2442 2005-10-24 Alan Modra <amodra@bigpond.net.au>
2444 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
2445 peculiarity of GOT/TOC section usage.
2447 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
2450 * c-common.c (constant_string_class_name): Add documentation.
2452 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
2455 * recog.c (peephole2_optimize): Increment peep2_current_count
2456 only when the slot is empty.
2458 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2461 * except.c (output_function_exception_table): Call
2462 assemble_external_libcall if we need a personality function.
2464 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2466 PR rtl-optimization/24460
2467 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
2468 set the basic block for barriers.
2470 2005-10-21 Janis Johnson <janis187@us.ibm.com>
2472 * var-tracking.c (vt_initialize): Initialize post.
2474 2005-10-21 Devang Patel <dpatel@apple.com>
2477 * c-common.c (vector_types_convertible_p): Check vector element type.
2479 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
2481 * config/sh/sh.c (prepare_move_operands): Handle the address
2482 constant which is a tls symbolic address plus a constant.
2484 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
2487 * gcc.c (main): Use the correct counter for erroring out
2488 about mulitple files.
2490 2005-10-21 Alan Modra <amodra@bigpond.net.au>
2493 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
2494 use r2 for 64-bit tls .got access.
2496 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
2498 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
2501 2005-10-20 Steven Bosscher <stevenb@suse.de>
2503 PR tree-optimization/24307
2504 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
2506 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
2509 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
2511 * varasm.c (find_decl_and_mark_needed): After cgraph global info
2512 is ready, stop marking functions, but still mark variables.
2514 2005-10-20 Richard Guenther <rguenther@suse.de>
2517 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
2520 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
2522 PR rtl-optimization/23585
2523 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
2524 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
2525 (may_trap_p_1): New predicate extracted from...
2526 (may_trap_p): ... here. Invoke may_trap_p_1.
2527 (may_trap_or_fault_p): New predicate.
2528 * rtl.h (may_trap_or_fault_p): Declare it.
2529 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
2530 instead of may_trap_p.
2531 (steal_delay_list_from_fallthrough): Likewise.
2532 (fill_simple_delay_slots): Likewise.
2533 (fill_slots_from_thread): Likewise.
2534 * function.c (pad_to_arg_alignment): Rework comment about
2535 SPARC_STACK_BOUNDARY_HACK.
2536 * config/sparc/sparc.h: Likewise.
2538 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
2540 * config/s390/s390.c (s390_expand_insv): New.
2541 * config/s390/s390-protos.h (s390_expand_insv): Declare.
2542 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
2543 ("icm_hi"): Remove mode attribute.
2544 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
2546 ("*extracthi", "*extractqi"): Remove.
2547 (extv<mode>", "*extzv<mode>"): New.
2548 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
2549 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
2551 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2553 * cfgexpand.c (discover_nonconstant_array_refs_r,
2554 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
2555 (tree_expand_cfg): Call discover_nonconstant_array_refs.
2556 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2557 discover_nonconstant_array_refs.
2559 2005-10-19 Steven Bosscher <stevenb@suse.de>
2562 * c-decl.c (pop_scope): Don't warn about an unused variable
2563 if it is marked with TREE_NO_WARNING.
2564 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
2565 somenow mismatch and olddecl is to be replaced.
2567 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
2570 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
2571 whether registers live on the edge can be saved/restored.
2573 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
2575 * config/sh/sh.c (fixup_mova): Skip notes.
2577 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2579 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
2580 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
2581 (s390_can_eliminate): Handle BASE_REGNUM elimination.
2582 (s390_initial_elimination_offset): Likewise.
2583 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
2584 register on TARGET_ZARCH targets.
2585 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
2586 (INITIAL_FRAME_POINTER_OFFSET): Remove.
2587 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
2588 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
2590 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2592 * config/s390/s390.md: Comment describing output modifiers updated.
2593 * config/s390/s390.c (print_operand): Likewise.
2595 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2597 * config/s390/s390.c (override_options): Added check for -mstack-size
2599 * doc/invoke.texi: Mention that limit in the documenation.
2601 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
2604 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
2606 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
2608 Fix PR tree-optimization/24231
2610 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
2611 (compute_avail): Ditto.
2613 2005-10-18 Richard Henderson <rth@redhat.com>
2616 * config/i386/i386.c (legitimate_constant_p): Check
2617 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
2619 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
2620 (legitimate_pic_address_disp_p): Reorg CONST checking to make
2621 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
2623 (print_operand_address): Likewise.
2624 * config/i386/predicates.md (x86_64_immediate_operand): Test
2625 SYMBOL_REF_TLS_MODEL properly inside CONST.
2626 (x86_64_zext_immediate_operand): Likewise.
2627 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
2628 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
2629 * config/i386/i386-protos.h: Remove predicates.md entries.
2631 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
2633 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2634 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
2636 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
2637 Ian Lance Taylor <ian@airs.com>
2640 * fold-const.c (fold_widened_comparison): Do not allow range based
2641 constant folding when right operand cannot be unwidened.
2643 2005-10-17 Richard Henderson <rth@redhat.com>
2645 * builtins.c (expand_builtin_synchronize): Build a new-style asm
2646 with a memory clobber.
2648 2005-10-17 James E Wilson <wilson@specifix.com>
2650 PR rtl-optimization/17356
2651 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
2652 checking for EDGE_EH.
2654 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
2656 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
2657 the slot on an even boundary for any type with 16-byte alignment.
2659 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
2662 * md.texi (Modifiers) <%>: Clarify that % doesn't work
2663 after register allocation.
2665 2005-10-17 DJ Delorie <dj@redhat.com>
2667 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
2670 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
2673 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
2676 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
2678 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
2679 to 2 if it's already non-zero.
2680 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
2681 is set and warn about it if flag_schedule_insns is 1.
2683 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
2685 * config/crx/crx.md: Compare-and-branch instructions need to
2688 2005-10-17 Uros Bizjak <uros@kss-loka.si>
2691 * config/i386/i386.md (*pushdi2_rex64 splitter)
2692 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
2693 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
2694 flow2 pass only when (optimize > 0 && flag_peephole2).
2696 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
2699 * gcc.c (have_c): New static variable.
2701 (process_command): Remove declation of have_c.
2702 Set have_o to 1 when handling -o.
2703 (main): Add a fatel error if there are multiple
2704 files specified and -o and -c/-S is passed witout
2705 -combine or multiple languages.
2707 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
2709 Fix PR tree-optimization/22444
2710 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
2711 Assert that we don't hit something with subvars.
2712 (setup_pointers_and_addressables): Don't add things with subvars,
2713 because we'll already process the subvars for aliasing purposes.
2715 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
2718 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
2719 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
2720 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
2721 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
2722 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
2723 swapped, alternatives for the R constraint.
2726 * builtins.c (get_builtin_sync_mode): Make unlimited
2727 mode_for_size request.
2729 2005-10-15 Richard Henderson <rth@redhat.com>
2731 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
2732 (gimplify_expr): ... here.
2733 (gimplify_compound_lval): Use it in initial scan loop. Allow
2734 fb_lvalue in base expression.
2736 2005-10-15 Richard Henderson <rth@redhat.com>
2739 * builtins.c (expand_builtin_trap): Export.
2740 * expr.h (expand_builtin_trap): Declare.
2741 * expr.c (expand_assignment): Emit a trap for integral offsets
2742 from registers that weren't reduced to bitpos.
2744 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
2745 (mark_array_ref_addressable): Remove.
2746 * tree-flow.h (mark_array_ref_addressable): Remove.
2747 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
2749 2005-10-15 James E Wilson <wilson@specifix.com>
2752 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
2753 (add_dependence_list_and_free): Likewise.
2754 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
2757 2005-10-15 Diego Novillo <dnovillo@redhat.com>
2761 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
2762 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
2764 (vrp_visit_phi_node): Only prevent infinite iterations when
2765 the previous result and the new result are both VR_RANGEs.
2767 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
2769 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
2772 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2775 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
2778 2005-10-14 Per Bothner <per@bothner.com>
2780 PR preprocessor/21250
2781 * c-ppoutput.c (print_line): Print internal line 0 as 1.
2783 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
2786 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
2787 overflow flags. Refactor some conditionals.
2789 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
2792 * tree-dfa.c (add_referenced_var): Only look at decls which
2793 have TREE_CONSTANT or TREE_READONLY set instead of if
2794 !TREE_PUBLIC or !TREE_CONSTANT.
2796 2005-10-13 James E Wilson <wilson@specifix.com>
2798 * doc/invoke.texi: For -x, add f95-cpp-input.
2799 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
2801 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
2803 PR tree-optimization/24262
2804 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
2805 in loop all the time.
2807 2005-10-12 Richard Henderson <rth@redhat.com>
2810 * tree.h (DECL_TRANSPARENT_UNION): Remove.
2811 * function.c (assign_parm_find_data_types): Don't support it.
2812 * print-tree.c (print_node): Likewise.
2813 * c-common.c (handle_transparent_union_attribute): Likewise.
2814 Use build_duplicate_type.
2815 * tree-inline.c (remap_type_1): Split out of remap_type;
2816 properly remap aggregate fields.
2817 (build_duplicate_type): New.
2818 * doc/extend.texi (Variable Attributes): Remove documentation
2819 for transparent_union.
2821 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2824 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
2825 (gen_stack_pointer_dec): Likewise.
2827 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
2831 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
2833 (struct cxx): Add adjust_class_at_definition target hook.
2834 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
2835 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
2836 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
2837 hook_void_tree. Add to TARGET_CXX.
2838 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
2840 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
2841 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
2842 instead of attribute. Check for dllexport override. Warn if
2843 inconsistent dll linkage. Don't lose old dllimport if decl has
2844 had address referenced. Tweak lookup of dllimport atribute.
2845 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
2846 for target specific rules. Don't add dllimport attribute if
2847 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
2848 dllimport attribute.
2849 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
2850 * varasm.c (initializer_constant_valid_p): Replace
2851 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
2855 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
2856 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
2857 (i[34567]86-*-mingw32*): Likewise.
2859 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
2860 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
2862 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
2863 C++-specific code. Change return value to bool.
2864 (i386_pe_dllimport_p): Likewise.
2865 (associated_type): Simplify and make language-independent
2866 (i386_pe_encode_section_info): Replace override of ambiguous
2867 dllimport symbol refs with a gcc_assert.
2868 (i386_pe_valid_dllimport_attribute_p): Define.
2869 * config/i386/winnt-cxx.c: New file. Define C++ versions of
2870 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2871 i386_pe_adjust_class_at_definition.
2872 * config/i386/winnt-stubs.c: New file. Define stub versions of
2873 lang-specific functions.
2874 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
2875 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2876 i386_pe_adjust_class_at_definition.
2877 (i386_pe_valid_dllimport_attribute_p): Declare.
2878 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
2879 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
2880 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
2883 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
2884 dllimport attribute with test of DECL_DLLIMPORT_P.
2886 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
2888 * combine.c (make_extraction): Correct offset computation.
2890 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
2892 * config/cris/t-linux (LIMITS_H_TEST): Define.
2894 2005-10-12 Richard Henderson <rth@redhat.com>
2897 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
2899 2005-10-12 Richard Guenther <rguenther@suse.de>
2901 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
2903 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
2906 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
2907 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
2910 2005-10-12 Richard Guenther <rguenther@suse.de>
2913 * varasm.c (output_constant): Correct typo from previous
2916 2005-10-11 Ian Lance Taylor <ian@airs.com>
2918 PR rtl-optimization/13931
2919 * combine.c: Revert patch of 2003-05-14, and:
2920 (try_combine): Only set elim_i1 and elim_i2 if the destination is
2921 completely killed in the appropriate insn.
2922 (distribute_notes): Don't skip multiple hard register test for
2923 elim_i1 and elim_i2.
2925 2005-10-11 Richard Henderson <rth@redhat.com>
2928 * c-typeck.c (convert_for_assignment): Use build_constructor_single
2929 to initialize a transparent union instead of a nop_expr.
2931 2005-10-11 Richard Henderson <rth@redhat.com>
2933 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
2934 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
2935 (tree_ssa_dce_loop): Call scev_reset.
2938 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
2939 * tree-ssa-dce.c: Include cfgloop.h.
2940 (tree_ssa_dce_loop, pass_dce_loop): New.
2941 * tree-pass.h (pass_dce_loop): Declare it.
2942 * passes.c (init_optimization_passes): Use it.
2944 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2947 * convert.c (convert_to_real): Revert 2005-10-05 patch.
2948 Only apply the optimization for rounding builtins if the inner
2949 cast is also an extension.
2951 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
2954 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
2955 mark_new_vars_to_rename instead of update_stmt.
2957 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
2959 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
2961 2005-10-11 Jakub Jelinek <jakub@redhat.com>
2963 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
2964 for setting MMX register to 0 rather than mmx.
2966 2005-10-10 Steve Ellcey <sje@cup.hp.com>
2969 * configure.ac: Move gas check from mips specific case to common case.
2970 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
2971 * configure: Regenerate
2972 * doc/install.texi: Update.
2974 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2977 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
2979 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
2981 * gcc.c (do_spec_1): Accept numeric characters in file name
2984 2005-10-10 Nick Clifton <nickc@redhat.com>
2986 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
2987 describing the deleted arm_gen_rotated_half_load function.
2989 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
2991 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
2994 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
2996 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
2998 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
2999 (EXTRA_MULTILIB_PARTS): Define.
3000 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3001 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3002 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
3003 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3004 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3005 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
3007 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
3009 PR tree-optimization/24226
3010 * tree-cfg.c (remove_bb): Clean up unreachable loops.
3011 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
3012 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
3015 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3017 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
3019 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
3022 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
3023 Rewrite for no need for the early clobber.
3025 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
3027 Merge from csl-arm-branch:
3028 2005-09-07 Paul Brook <paul@codesourcery.com>
3029 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
3032 2005-04-30 Paul Brook <paul@codesourcery.com>
3033 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
3034 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
3036 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
3037 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
3038 (arm_override_options): Use TARGET_AAPCS_BASED.
3039 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
3040 (PTRDIFF_TYPE): Use int for AAPCS.
3041 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
3042 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
3043 (DEFAULT_SHORT_ENUMS): Delete.
3044 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
3046 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
3047 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
3048 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
3049 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
3051 2004-12-03 Mark Mitchell <mark@codesourcery.com>
3052 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
3054 2004-11-22 Mark Mitchell <mark@codesourcery.com>
3055 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
3057 2004-11-19 Mark Mitchell <mark@codesourcery.com>
3058 * config.gcc (arm*-*-linux-gnueabi): Add it.
3059 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
3061 (TARGET_OS_CPP_BUILTINS): Likeiwse.
3062 * config/arm/linux-eabi.h: New file.
3063 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
3064 (LINUX_TARET_LINK_SPEC): Likewise.
3065 (LINK_SPEC): Use it.
3066 * config/arm/t-linux-eabi: New file.
3068 2005-10-08 Steven Bosscher <stevenb@suse.de>
3071 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
3073 (PARAM_SMS_DFA_HISTORY): Likewise.
3075 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
3078 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
3079 (load_register_parameters): Call it.
3080 (check_sibcall_argument_overlap_1): Likewise.
3081 (store_one_arg): Likewise.
3083 2005-10-07 James E. Wilson <wilson@specifix.com>
3085 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
3086 DImode not VECINT24 for operand 2.
3089 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
3093 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
3094 fr_spill): Use destination_operand for operand 0.
3096 2005-10-07 DJ Delorie <dj@redhat.com>
3098 * varasm.c (output_constant): Limit error to expanding
3101 2005-10-07 Richard Guenther <rguenther@suse.de>
3104 * fold-const.c (fold_binary): Fix operand types during folding
3105 of X op (A, Y). Evaluation order of the side-effects of
3106 X and A are frontend-defined, so ensure we honour that even for
3107 tcc_comparison class operands; eased by removing duplicate code.
3109 2005-10-07 Steve Ellcey <sje@cup.hp.com>
3111 * stor-layout.c (layout_type): Do not allow alignment of array
3112 elements to be greater than their size.
3114 2005-10-07 Steve Ellcey <sje@cup.hp.com>
3116 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
3118 (hppa*-*-linux*): Ditto.
3119 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
3120 * config/host-hpux.c: New.
3121 * config/x-hpux: New.
3122 * config/pa/x-hpux: Remove.
3123 * config/pa/x-linux: Remove.
3124 * config/pa/pa-host.c: Remove.
3126 2005-10-07 Jeff Law <law@redhat.com>
3128 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
3129 determine whether or not to try and thread outgoing edges.
3131 2005-10-07 David Edelsohn <edelsohn@gnu.org>
3133 * config/rs6000/rs6000.md (eqsi_power): New.
3134 (neg_eq0si): Add TARGET_POWER to final condition.
3137 2005-10-06 Richard Henderson <rth@redhat.com>
3139 * config/rs6000/rs6000.c: Revert last change.
3141 2005-10-06 Richard Henderson <rth@redhat.com>
3143 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
3144 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
3146 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
3150 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
3151 out return_label and naked_return_label.
3153 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
3155 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
3158 2005-10-06 Richard Henderson <rth@redhat.com>
3161 * tree-inline.c (declare_return_variable): Handle modify_dest not
3164 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
3166 Fix PR tree-optimization/22488
3167 * tree-ssa-structalias.c (check_for_overlaps): New function.
3168 (create_variable_info_for): Use it.
3170 2005-10-06 Richard Henderson <rth@redhat.com>
3173 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
3174 (dwarf2out_start_source_file): Print it.
3176 2005-10-06 Geoffrey Keating <geoffk@apple.com>
3178 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
3180 2005-10-06 Richard Henderson <rth@redhat.com>
3183 * mode-switching.c (optimize_mode_switching): Clear transp bit
3184 for block with incomming abnormal edges.
3186 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
3187 (fpscr_set_from_mem): Use them.
3188 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
3189 (fpscr postinc splitters): Rewrite as peephole2+split.
3191 2005-10-06 David Edelsohn <edelsohn@gnu.org>
3193 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
3194 (eq<mode>_compare): Same.
3196 2005-10-06 Richard Guenther <rguenther@suse.de>
3198 PR tree-optimization/24238
3199 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
3201 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
3203 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
3204 here. Use AC_PATH_PROG for environment variables instead of
3206 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
3208 * configure: Regenerated.
3210 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
3213 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
3214 then force it into a register.
3215 (call_value): Likewise.
3217 2005-10-06 Richard Henderson <rth@redhat.com>
3220 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
3221 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
3222 under pass_vectorize.
3224 2005-10-05 Devang Patel <dpatel@apple.com>
3227 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
3228 handling constants. Check NAMESPACE_DECL context for constants.
3230 2005-10-05 Eric Christopher <echristo@apple.com>
3232 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
3234 2005-10-05 Richard Henderson <rth@redhat.com>
3237 * tree-cfg.c (mark_array_ref_addressable_1): New.
3238 (mark_array_ref_addressable): New.
3239 * tree-flow.h (mark_array_ref_addressable): Declare.
3240 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
3242 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
3246 * reload.c (subst_reloads): When adding a REG_LABEL to a
3247 jump instruction, also update JUMP_LABEL.
3249 2005-10-05 David Edelsohn <edelsohn@gnu.org>
3251 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
3252 * bb-reorder.c (copy_bb_p): Use it.
3253 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
3255 2005-10-05 Richard Henderson <rth@redhat.com>
3258 * toplev.c (process_options): Warn about unsupported combinations
3259 of unwind tables and omit-frame-pointer.
3260 * config/i386/i386.c (override_options): Similarly. Enable
3261 accumulate-outgoing-args if not explicitly disabled.
3263 2005-10-05 Steve Ellcey <sje@cup.hp.com>
3265 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
3266 Handle big endian vs. small endian.
3267 (vec_initv2sf): Handle big endian vs. small endian.
3268 (*vec_extractv2sf_1): Ditto.
3270 2005-10-05 Dale Johannesen <dalej@apple.com>
3272 * convert.c (convert_to_real): Don't convert
3273 (float)floor(double d) to floorf((float)d).
3275 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
3277 * config/arm/arm.md (insv): Use gen_int_mode in more places.
3279 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
3281 PR tree-optimization/18587
3282 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
3283 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
3284 build_vuses): Change to VEC type.
3285 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
3286 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
3287 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
3288 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
3289 (get_name_decl): New. Return DECL_UID of base variable.
3290 (operand_build_cmp): New. qsort comparison routine.
3291 (operand_build_sort_virtual): New. Sort virtual build vector.
3292 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
3293 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
3294 (FINALIZE_BASE): Use get_name_decl.
3295 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
3296 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
3297 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
3298 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
3299 direct VEC_* manipulations.
3300 (build_ssa_operands): Call operand_build_sort_virtual.
3301 (copy_virtual_operand, create_ssa_artficial_load_stmt,
3302 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
3303 with direct VEC_* manipulations.
3304 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
3305 with direct VEC manipulations.
3307 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
3309 PR tree-optimization/21419
3310 PR tree-optimization/24146
3311 PR tree-optimization/24151
3313 * c-typeck.c (readonly_error): Handle USE being lv_asm.
3314 (build_asm_expr): Call it if outputs are read-only.
3315 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
3317 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
3318 Paolo Bonzini <bonzini@gnu.org>
3322 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
3323 enable the instructions and not just the built-ins.
3324 * doc/invoke.texi (x86 Options): Likewise.
3326 2005-10-04 Geoffrey Keating <geoffk@apple.com>
3328 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
3330 * doc/invoke.texi (Option Summary): Correct spelling
3331 of -mmacosx-version-min.
3333 2005-10-04 Devang Patel <dpatel@apple.com>
3335 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
3338 2005-10-04 Steve Ellcey <sje@cup.hp.com>
3340 * tree-vect-transform.c (vect_create_epilog_for_reduction):
3341 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
3343 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
3345 * config/s390/s390.md ("TDSI","DP"): New mode macros.
3346 ("TE","tg"): New mode attributes.
3347 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
3348 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
3349 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
3350 dword_mode and one for GPRmode.
3352 2005-10-04 Ian Lance Taylor <ian@airs.com>
3354 PR preprocessor/13726
3355 * c-ppoutput.c (cb_include): Add comments parameter, and print out
3356 any comments passed in.
3358 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3360 * tree.c (annotate_with_file_line): Fix typo.
3362 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3365 * builtins.c (fold_builtin_memcmp): When constructing the pointer
3366 type used to access data in the inlined length == 1 case, use
3367 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
3368 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
3370 2005-10-04 Uros Bizjak <uros@kss-loka.si>
3372 * config/i386/i386.h (TARGET_FISTTP): Enable also for
3373 TARGET_SSE3 and only for TARGET_80387.
3374 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
3375 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
3376 Do not depend on TARGET_80387.
3378 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3380 * tree.c (last_annotated_node): Change type to location_t*.
3381 (annotate_with_file_line): Reflect the change of
3382 last_annotated_node type.
3384 2005-10-04 Richard Guenther <rguenther@suse.de>
3387 * c-decl.c (grokdeclarator): Don't write to fields
3390 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3393 * c-decl.c (finish_decl): Use set_user_assembler_name even for
3395 * varasm.c (make_decl_rtl): If a register variable does not
3396 have a set user assmbler name, error out.
3397 Decode the asmspec is now name+1 bypassing '*'.
3399 2005-10-04 Steven Bosscher <stevenb@suse.de>
3401 PR tree-optimization/23049
3402 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
3403 of a COND_EXPR is folded before calling fold on the whole rhs of a
3404 conditional assignment.
3405 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
3406 document that a COND_EXPR may appear there.
3408 2005-10-03 Diego Novillo <dnovillo@redhat.com>
3411 * tree-vrp.c (extract_range_from_assert): If the new numeric
3412 range created out of the assertion contradicts the existing
3413 numeric range of the ASSERT_EXPR variable, make the new range
3416 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
3418 * config/sh/sh.c (sh_register_move_cost): Add case for moving
3419 from T_REGS to FP register class.
3421 2005-10-03 Richard Henderson <rth@redhat.com>
3424 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
3425 before creating a new one.
3427 2005-10-03 David Edelsohn <edelsohn@gnu.org>
3429 * config/rs6000/t-aix43 (LDFLAGS): New.
3430 * config/rs6000/t-aix52 (LDFLAGS): New.
3432 2005-10-03 Ian Lance Taylor <ian@airs.com>
3434 * gimplify.c (find_single_pointer_decl_1): New static function.
3435 (find_single_pointer_decl): New static function.
3436 (internal_get_tmp_var): For a formal variable, set restrict base
3437 information if appropriate.
3438 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
3440 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
3441 (DECL_GET_RESTRICT_BASE): Define.
3442 (SET_DECL_RESTRICT_BASE): Define.
3443 (decl_restrict_base_lookup): Declare.
3444 (decl_restrict_base_insert): Declare.
3445 (struct tree_decl_with_vis): Add based_on_restrict_p field.
3446 * tree.c (restrict_base_for_decl): New static variable.
3447 (init_ttree): Initialize restrict_base_for_decl.
3448 (copy_node_stat): Copy restrict base information.
3449 (decl_restrict_base_lookup): New function.
3450 (decl_restrict_base_insert): New function.
3451 (print_restrict_base_statistics): New static function.
3452 (dump_tree_statistics): Call print_restrict_base_statistics.
3454 2005-10-02 Diego Novillo <dnovillo@redhat.com>
3457 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
3458 case of anti-ranges.
3460 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
3463 * c-typeck.c (tagged_tu_seen): Rename to ...
3464 (tagged_tu_seen_cache): this and add val field.
3465 (comptypes): Move functional to comptypes_internal
3466 and free tagged_tu_seen.
3467 (comptypes_internal): New function and call comptypes_internal
3468 instead of comptypes. Speed up by sibcalling
3469 tagged_types_tu_compatible_p.
3470 (alloc_tagged_tu_seen): New function
3471 (free_all_tagged_tu_seen_up_to): New function.
3472 (tagged_types_tu_compatible_p): Return the val of the seen two
3474 Add that the two types are the same to tagged_tu_seen_base
3475 if they are and call comptypes_internal instead of comptypes.
3476 <case UNION_TYPE>: Speed up common type where the fields are
3478 (function_types_compatible_p): Call comptypes_internal instead of
3480 (type_lists_compatible_p): Likewise.
3481 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
3483 2005-10-02 Matthias Klose <doko@debian.org>
3485 * doc/invoke.texi: Fix typo and speling error.
3487 2005-10-01 Richard Henderson <rth@redhat.com>
3489 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
3491 2005-10-01 Mark Mitchell <mark@codesourcery.com>
3493 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
3494 using --start-group and --end-group.
3496 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3498 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
3499 FIXME note regarding quirky semantics.
3501 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3504 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
3505 non-null range as a last resort.
3507 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
3508 Diego Novillo <dnovillo@redhat.com>
3511 * tree-vrp.c (extract_range_from_assert): For !=
3512 assertions, only build an anti-range if LIMIT is a
3513 single-valued range.
3515 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
3517 * arm.md (movqi): On thumb when optimizing, handle loading from
3518 memory by describing this as taking a subreg of a zero-extended load
3519 into an SImode register.
3522 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
3524 * reload1.c (merge_assigned_reloads): Do not change any
3525 RELOAD_FOR_OUTPUT_ADDRESS reloads.
3527 2005-09-30 Geoffrey Keating <geoffk@apple.com>
3529 * Makefile.in (LIPO_FOR_TARGET): Define.
3530 (STRIP_FOR_TARGET): Define.
3532 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
3533 before creating new ones. Do symlinks before creating the actual
3536 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
3537 to work out which multilibs are actually being built.
3539 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
3541 * tree-vect-transform.c, config/ms1/ms1.md,
3542 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
3543 Follow spelling conventions.
3544 * doc/invoke.texi, doc/md.texi: Fix typos.
3546 2005-09-30 Andrew Macleod <amacleod@redat.com>
3548 PR tree-optimization/21430
3549 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
3550 use operands, and set stmt pointer if need be.
3551 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
3552 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
3555 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3558 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
3560 2005-09-29 Mark Mitchell <mark@codesourcery.com>
3562 * optabs.c (expand_binop): Initialize first_pass_p.
3564 2005-09-29 Jakub Jelinek <jakub@redhat.com>
3567 * c-decl.c (c_write_global_declarations_1): If any
3568 wrapup_global_declaration_2 call returned true, restart the loop.
3570 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
3572 Fix PR tree-optimization/24117
3573 * tree-ssa-structalias.c (find_func_aliases): Strip nops
3574 before considering whether to use anyoffset.
3576 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3580 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3582 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3584 (swap_commutative_operands_with_target): New.
3586 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3589 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
3592 2005-09-29 Steven Bosscher <stevenb@suse.de>
3594 PR tree-optimization/23911
3595 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
3596 and IMAGPART_EXPR too.
3598 2005-09-28 Mark Mitchell <mark@codesourcery.com>
3601 * expmed.c (expand_shift): Move logic to reverse rotation
3602 direction when rotating by constants ...
3603 * optabs.c (expand_binop): ... here.
3604 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
3605 (ix86_rotrdi3): New pattern.
3606 (rotldi3): Handle 32-bit mode.
3607 (ix86_rotldi3): New pattern.
3609 2005-09-29 Alan Modra <amodra@bigpond.net.au>
3612 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
3613 check for numbers that need no bit twiddle.
3615 2005-09-28 Geoffrey Keating <geoffk@apple.com>
3617 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
3618 multilib to be built.
3620 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
3621 (stage1-start): Delete old libgcc and libunwind before moving
3622 anything into the stage directory.
3623 (stage2-start): Likewise.
3624 (stage3-start): Likewise.
3625 (stage4-start): Likewise.
3626 (stageprofile-start): Likewise.
3627 (stagefeedback-start): Likewise.
3628 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
3629 header in tm_file and CPU-specific t-darwin in tmake_file.
3630 (i[34567]86-*-darwin*): Don't change tm_file.
3631 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
3632 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
3633 shared library stub for target OS version.
3634 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
3635 (SHLIB_LINK): Don't make SHLIB_SOLINK.
3636 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
3637 (libgcc_s.%.dylib): New.
3639 (install-darwin-libgcc-stubs): New.
3640 (INSTALL_LIBGCC): New append.
3641 * config/i386/darwin-libgcc.10.4.ver: New.
3642 * config/i386/darwin-libgcc.10.5.ver: New.
3643 * config/i386/t-darwin: New.
3644 * config/rs6000/darwin-libgcc.10.4.ver: New.
3645 * config/rs6000/darwin-libgcc.10.5.ver: New.
3646 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
3647 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
3649 2005-09-28 Paul Brook <paul@codesourcery.com>
3651 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
3654 2005-09-28 Richard Guenther <rguenther@suse.de>
3656 PR tree-optimization/23853
3657 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
3658 host_integerp to verify misalignment value.
3660 2005-09-28 Richard Henderson <rth@redhat.com>
3662 * builtins.c (get_builtin_sync_mode): New.
3663 (expand_builtin_sync_operation): Pass in mode argument.
3664 (expand_builtin_compare_and_swap): Likewise.
3665 (expand_builtin_lock_test_and_set): Likewise.
3666 (expand_builtin_lock_release): Likewise.
3667 (expand_builtin): Update to match.
3669 2005-09-28 Nick Clifton <nickc@redhat.com>
3671 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
3672 formatting. Add check to PLUS case to ensure that the offset is
3673 within an acceptable range.
3675 * config/v850/v850.md (casesi): Disable the generation of the
3676 switch pattern as it is not being handled properly at the moment.
3678 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
3679 for when the high words are identical.
3681 2005-09-27 Richard Henderson <rth@redhat.com>
3683 * pretty-print.c (pp_base_format): Fix typo for %>.
3685 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
3686 Devang Patel <dpatel@apple.com>
3688 PR tree-optimization/23625
3689 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
3690 LABEL_EXPR, assertion check.
3692 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
3694 * optabs.c (no_conflict_move_test): Check if a result of a
3695 to-be-moved insn would be clobbered by an originally
3698 2005-09-27 Jeff Law <law@redhat.com>
3700 * passes.c (init_optimization_passes): Replace copy propagation
3701 passes immediately after DOM with phi-only copy propagation
3702 pases. Add phi-only copy propagation pass after first DOM pass.
3703 * tree-pass.h (pass_phi_only_copy_prop): Declare.
3704 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
3705 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
3706 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
3707 to init_copy_prop. Callers updated.
3708 (do_phi_only_copy_prop): New function.
3709 (pass_phi_only_copy_prop): New pass descriptor.
3711 2005-09-27 Nick Clifton <nickc@redhat.com>
3713 * libgcc2.c (__popcount_tab): Remove redundant prototype.
3715 2005-09-26 Jason Merrill <jason@redhat.com>
3718 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
3720 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
3722 2005-09-26 James E Wilson <wilson@specifix.com>
3724 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
3725 copyright. Add gcc copyright plus libgcc exception.
3726 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
3728 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
3730 2005-09-26 Jeff Law <law@redhat.com>
3732 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
3733 about when to iterate.
3735 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
3738 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
3739 for __complex__ double in -mcpu=G5 mode.
3741 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
3743 PR tree-optimization/23942
3744 * Makefile.in (SCEV_H): Depends on PARAMS_H.
3745 * tree-scalar-evolution.c: Include params.h.
3747 (follow_ssa_edge, follow_ssa_edge_in_rhs,
3748 follow_ssa_edge_in_condition_phi_branch,
3749 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
3750 Change return type to t_bool. Use a parameter to limit the size of
3751 trees that are walked before stopping
3752 (analyze_evolution_in_loop): Initialize the limit to 0.
3753 (follow_ssa_edge): Give up by returning t_dont_know if the limit
3754 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3756 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3759 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
3760 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
3762 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
3764 * combine.c (make_extraction): Check for valid use of subreg.
3766 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3769 * config/i386/i386.md ("*fistdi2_1"): New pattern.
3770 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
3771 ("fist<mode>2_with_temp"): Use only register operands.
3773 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
3775 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
3776 CALL_INSN_FUNCTION_USAGE.
3778 2005-09-26 Richard Guenther <rguenther@suse.de>
3781 * gcse.c: Include hashtab.h, define ldst entry hashtable.
3782 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
3783 (ldst_entry): Use the hashtable instead of list-walking.
3784 (find_rtx_in_ldst): Likewise.
3785 (free_ldst_entry): Free the hashtable.
3786 (compute_ld_motion_mems): Create the hashtable.
3787 (trim_ld_motion_mems): Remove entry from hashtable if
3788 removing it from list.
3789 (compute_store_table): Likewise^2.
3790 (store_motion): Free hashtable in case we did not see
3793 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
3795 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
3796 and arg1 if we are passing them to fold_build2.
3798 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
3801 * config/i386/i386.c (ix86_function_regparm): Fix the test for
3804 2005-09-25 Richard Henderson <rth@redhat.com>
3806 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
3807 SYMBOL_REF_TLS_MODEL to be correct.
3809 2005-09-24 Richard Henderson <rth@redhat.com>
3811 * ipa-type-escape.c (discover_unique_type): Remove dead code at
3812 end of function. Reindent.
3814 2005-09-24 Ian Lance Taylor <ian@airs.com>
3816 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
3817 NEGATE_EXPR/BIT_NOT_EXPR case.
3819 2005-09-24 Richard Henderson <rth@redhat.com>
3821 * c-common.c (handle_mode_attribute): When not modifying in place,
3822 create subtypes for enumerations.
3823 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
3824 * gimplify.c (create_tmp_from_val): Likewise.
3826 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
3828 * config/i386/i386.md (*tls_global_dynamic_64,
3829 *tls_local_dynamic_base_64): Add missing mode to call.
3830 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
3832 2005-09-24 Jan Hubicka <jh@suse.cz>
3834 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
3835 (cgraph_clone_node): Likewise.
3836 * cgraph.h (cgraph_clone_edge): Update prototype.
3837 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
3838 duplicated prototypes; add updating argument.
3839 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
3840 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
3842 (cgraph_mark_inline_edge): Likewise.
3843 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
3844 (cgraph_flatten_node): Likewise.
3845 (cgraph_decide_recursive_inlining): Likewise.
3846 (cgraph_decide_inlining_of_small_function): Likewise.
3847 * tree-optimize.c (tree_rest_of_compilation): Likewise.
3849 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3850 Pete Steinmetz <steinmtz@us.ibm.com>
3852 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
3853 (rldic.): Set type to "compare".
3855 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
3856 mfjmpr for MFCTR/MFLR.
3857 (movdf_hardfloat64): Same.
3858 (movdf_softfloat64): Same. Correct order of store and move types.
3859 (movti_string): Set type to store_ux/load_ux.
3860 (load_multiple): Set type to load_ux.
3861 (store_multiple): Set type to store_ux.
3862 (movmemsi): Set type to store_ux.
3863 (output_cbranch direct_return): Set type to jmpreg.
3864 (stmw): Set type to store_ux.
3865 (lmw): Set type to load_ux.
3866 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
3867 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
3868 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
3869 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
3870 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
3871 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
3872 (rios1-fpstore): Increase latency to 3.
3873 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
3874 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
3876 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3877 Andrew Pinski <pinskia@physics.uc.edu>
3879 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
3880 operand2 constraint to "b".
3881 (sync_<fetchop_name>di_internal): Same.
3882 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
3884 (sync_old_<fetchop_name>di_internal): Same.
3885 (sync_new_<fetchop_name>si_internal): Same.
3886 (sync_new_<fetchop_name>di_internal): Same.
3888 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
3891 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
3892 case, define as macros.
3894 PR rtl-optimization/23837
3895 * optabs.c (no_conflict_move_test): Don't set must_stay for a
3896 clobber / clobber match between dest and p->first.
3898 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
3899 (no_conflict_move_test): Update comments.
3901 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3903 * doc/install.texi: Update URL for Jacks.
3904 * doc/sourcebuild.texi: Likewise.
3906 2005-09-22 David Edelsohn <edelsohn@gnu.org>
3909 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
3910 registers when choosing register preferences.
3911 (movdf_hardfloat64): Same.
3913 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
3915 * expmed.c (expand_shift): Don't use the target of the rotate as
3916 target for the first expanded shift insn.
3917 * testsuite/gcc.dg/20050922-1.c: Testcase added.
3919 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
3921 PR tree-optimization/22438
3922 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
3923 preserved iv rhs rewriting specially.
3925 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
3927 * tree-data-ref.c (analyze_array_indexes): Only estimate when
3928 estimate_only is true.
3929 * tree-flow.h (ref_contains_indirect_ref): New prototype.
3930 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
3931 tree-ssa-structalias.c
3932 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
3933 ref_contains_indirect_ref.
3934 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
3936 2005-09-21 DJ Delorie <dj@redhat.com>
3938 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
3940 (mn10300_return_in_memory): Support variable size types also.
3941 (mn10300_pass_by_reference): Likewise.
3942 (mn10300_function_value): New.
3943 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
3944 (FUNCTION_OUTGOING_VALUE): Likewise.
3945 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
3946 * doc/invoke.texi: Document it.
3948 2005-09-21 Uros Bizjak <uros@kss-loka.si>
3951 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
3952 force integer op1 into register for XFmode compares.
3954 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
3957 * expmed.c (alg_code): Add alg_impossible.
3958 (alg_hash_entry): Add cost.
3959 (synth_mult): Record alg_impossible in the hash table if
3960 multiplication by a given integer is impossble within the
3961 limit. Speed up using alg_impossible.
3963 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
3965 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
3966 argument. Allow and set any offset if needs_anyoffset is passed
3968 (get_constraint_for): Add argument here too.
3970 (do_structure_copy): Pass NULL to get_constraint_for.
3971 (handle_ptr_arith): Ditto.
3972 (find_func_aliases): Ditto.
3974 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
3976 PR rtl-optimization/23898
3977 * output.h (get_attr_min_length): Declare.
3978 * final.c (get_attr_length_1): New function, broken out of:
3980 (get_attr_min_length): New function.
3981 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
3982 (duplicate_computed_gotos): Likewise.
3983 * genattr.c (insn_min_length): Generate declaration.
3984 * genattrtab.c (min_fn, min_attr_value): New functions.
3985 (make_length_attrs): Generate insn_min_length.
3987 2005-09-20 Steve Ellcey <sje@cup.hp.com>
3989 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
3991 2005-09-20 Richard Henderson <rth@redhat.com>
3993 PR tree-optimization/24059
3994 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
3997 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
3999 * c.opt (fextended-identifiers): New.
4000 * c-opts.c (c_common_handle_option): Handle
4001 -fextended-identifiers.
4002 * doc/cpp.texi: Update documentation of extended identifiers.
4003 * doc/cppopts.texi (-fextended-identifiers): Document.
4005 2005-09-20 Jakub Jelinek <jakub@redhat.com>
4007 PR tree-optimization/23929
4008 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
4011 PR tree-optimization/23818
4012 * tree-stdarg.c (execute_optimize_stdarg): Call
4013 calculate_dominance_info.
4015 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
4017 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
4018 (analyze_siv_subscript_cst_affine): Add weak SIV test.
4019 (compute_overlap_steps_for_affine_1_2): Use
4020 get_number_of_iters_for_loop.
4021 (analyze_subscript_affine_affine): Check whether difference is
4023 Use get_number_of_iters_for_loop.
4024 Check whether overlap occurs outside of bounds.
4025 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
4027 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
4029 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
4030 base register if possible.
4032 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
4034 PR tree-optimization/18463
4035 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
4036 converting it directly is not possible.
4037 (chrec_convert_aggressive): New function.
4038 * tree-chrec.h (chrec_convert_aggressive): Declare.
4039 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
4040 Fold chrec conversions aggressively if asked to.
4041 (instantiate_parameters): Modified because of changes in
4042 instantiate_parameters_1.
4044 2005-09-19 Richard Henderson <rth@redhat.com>
4046 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
4047 (reduc_splus_v2df): New.
4049 2005-09-19 Richard Sandiford <richard@codesourcery.com>
4051 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
4052 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
4054 2005-09-19 Richard Henderson <rth@redhat.com>
4056 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
4059 2005-09-19 Richard Henderson <rth@redhat.com>
4061 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
4062 (ia64_expand_dot_prod_v8qi): New.
4063 * config/ia64/ia64-protos.h: Update.
4064 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
4065 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
4066 sdot_prodv8qi, sdot_prodv4hi): New.
4067 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
4069 2005-09-19 Richard Henderson <rth@redhat.com>
4072 * real.c (exact_real_truncate): Return false if the format cannot
4073 represent the number as a normal.
4075 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
4076 for a memory source.
4078 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
4080 * tree-ssa-operands.c (swap_tree_operands): Export.
4081 * tree.h (swap_tree_operands): Declare.
4082 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
4083 Call swap_tree_operands.
4085 2005-09-19 Richard Henderson <rth@redhat.com>
4087 * tree-flow.h (merge_alias_info): Declare.
4088 * tree-ssa-copy.c (merge_alias_info): Export.
4089 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
4090 (vect_create_data_ref_ptr): Use create_iv directly.
4091 (vectorizable_load): Use correct types for integer constants.
4092 (vect_generate_tmps_on_preheader): Likewise.
4093 (vect_gen_niters_for_prolog_loop): Likewise.
4095 2005-09-19 Steven Bosscher <stevenb@suse.de>
4097 PR rtl-optimization/23943
4098 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
4100 2005-09-18 Jan Hubicka <jh@suse.cz>
4102 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
4104 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
4106 * varasm.c (output_constant): Do not abort on conversions to union
4107 types between different sizes.
4109 2005-09-18 Richard Guenther <rguenther@suse.de>
4112 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
4115 2005-09-18 Paul Brook <paul@codesourcery.com>
4117 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
4119 2005-09-17 Richard Henderson <rth@redhat.com>
4121 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
4122 * tree-ssa-loop.c (pass_vect_dce): Remove.
4123 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
4126 2005-09-17 Richard Henderson <rth@redhat.com>
4128 * tree-pass.h (pass_vect_dce): Declare.
4129 * passes.c (init_optimization_passes): Add it.
4130 * tree-flow.h (tree_ssa_dce): Declare.
4131 * tree-ssa-dce.c (tree_ssa_dce): Export.
4132 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
4133 (gate_tree_vectorize): ... here.
4134 (pass_vect_dce): New.
4136 2005-09-17 Jan Hubicka <jh@suse.cz>
4138 * except.c (struct eh_status): Turn region_array into vec.
4139 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
4140 convert_from_eh_region_ranges, find_exception_handler_labels,
4141 current_function_has_exception_handlers, assign_filter_values,
4142 build_post_landing_pads, dw2_build_landing_pads,
4143 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
4144 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
4145 foreach_reachable_handler, can_throw_internal_1,
4146 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
4148 (duplicate_eh_region_1): Update region_array.
4149 (duplicate_eh_regions): Resize region_array and avoid recomputing.
4151 2005-09-17 David Edelsohn <edelsohn@gnu.org>
4154 * expmed.c (expand_mult): Substitute simple register for op0 when
4157 2005-09-17 Richard Henderson <rth@redhat.com>
4159 * expr.c (emit_move_via_integer): Add force argument, pass it on
4160 to emit_move_change_mode. Update callers.
4161 (emit_move_complex): Pass true to new force argument.
4162 * function.c (expand_function_end): Move expand_eh_return call
4163 earlier. Merge sub-word complex values into a pseudo before
4164 copying to the return hard register.
4166 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
4168 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
4169 between different sizes.
4171 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
4175 * passes.c (init_optimization_passes): Register dump files for
4178 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
4180 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
4181 * config/s390/s390.c (s390_overlap_p): New function.
4182 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
4183 peephole2, "*xc" peephole2): Added overlap check to the peephole2
4186 2005-09-16 Richard Guenther <rguenther@suse.de>
4188 * ipa-pure-const.c (static_execute): Free auxiliar information.
4189 * ipa-type-escape.c (discover_unique_type): Free temporary key.
4190 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
4192 2005-09-15 DJ Delorie <dj@redhat.com>
4194 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
4196 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
4198 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4200 (swap_commutative_operands_with_target): New.
4202 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
4204 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
4207 (estimate_iters_using_array): New function.
4208 * tree-data-ref.h (estimate_iters_using_array): Prototype
4209 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4210 Use estimate_iters_using_array instead of analyze_array.
4212 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
4214 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
4217 2005-09-15 Michael Matz <matz@suse.de>
4219 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
4221 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
4223 PR tree-optimization/23835
4224 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
4225 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
4227 2005-09-14 Richard Henderson <rth@redhat.com>
4229 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
4230 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
4232 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
4234 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
4235 in the ARRAY_TYPE case.
4237 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
4239 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
4241 2005-09-14 Uros Bizjak <uros@kss-loka.si>
4244 * tree-vect-transform.c (vectorizable_operation): Return false for
4245 scalar shift operations and for vector shift operations with
4246 non-invariant shift arguments. Use scalar tree operand op1 as
4247 a shift operand when vector shift insn pattern uses scalar shift
4249 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
4251 2005-09-14 Olivier Hainque <hainque@adacore.com>
4253 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
4254 value if it has side-effects.
4256 2005-09-14 David Edelsohn <edelsohn@gnu.org>
4259 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
4261 2005-09-14 Alan Modra <amodra@bigpond.net.au>
4263 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
4264 passed as NAME as if it were label at start of function code.
4266 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
4268 * config/sh/sh.md (*movv4sf_i): Add general register cases to
4271 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4273 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
4274 as early clobber. Rewrite so the PIC register is not implicitly used.
4276 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4278 * tree.c (annotate_with_file_line): Compare line numbers before
4281 2005-09-13 Uros Bizjak <uros@kss-loka.si>
4284 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
4285 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
4287 2005-09-13 Ian Lance Taylor <ian@airs.com>
4289 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
4290 than a HOST_WIDEST_INT to gen_doloop_begin.
4292 2005-09-13 Diego Novillo <dnovillo@redhat.com>
4294 * tree-dfa.c (dump_variable): Guard against NULL annotations.
4296 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
4298 PR tree-optimize/23817
4299 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
4301 2005-09-13 Alan Modra <amodra@bigpond.net.au>
4304 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
4305 word before changing the stack pointer. Use gen_frame_mem for MEMs.
4306 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
4307 (restore_stack_nonlocal): Likewise.
4308 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
4310 2005-09-12 Ian Lance Taylor <ian@airs.com>
4313 * c.opt (ffriend-injection): New C++ option.
4314 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
4315 (C++ Dialect Options): Document -ffriend-injection.
4317 2005-09-12 Josh Conner <jconner@apple.com>
4320 * ipa-reference.c (static_execute): Don't mark variables in
4321 named sections TREE_READONLY.
4323 2005-09-12 Alan Modra <amodra@bigpond.net.au>
4325 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
4328 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4330 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
4331 V_MUST_DEF instead of just the first_use_p.
4332 Don't mark the virtual variables for renaming on the statement which
4334 (pass_dse): Remove TODO_update_ssa.
4336 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
4339 * stor-layout.c (compute_record_mode): For records with a single
4340 field, actually check the field's mode size against the type size.
4342 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
4343 registers for TARGET_SHMEDIA.
4344 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
4345 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
4346 of GENERAL_REGS and FP_REGS.
4348 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
4350 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
4352 2005-09-12 Alan Modra <amodra@bigpond.net.au>
4354 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
4355 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
4356 are omitted. Exclude stack_tie insn too.
4358 2005-09-11 David Edelsohn <edelsohn@gnu.org>
4360 PR rtl-optimization/23098
4361 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
4363 * config/rs6000/rs6000.md (movdf splitter): Use
4364 const_double_operand predicate for TARGET_POWERPC64.
4365 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
4366 SYMBOL_REF method to ABI_V4.
4368 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
4369 replace_equiv_address.
4370 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
4371 rs6000_sr_alias_set and MEM_NOTRAP.
4372 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
4374 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
4376 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
4377 handle CALL_EXPR again.
4379 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
4381 * arm/predicates.md (alignable_memory_operand): Delete.
4383 2005-09-10 Richard Henderson <rth@redhat.com>
4386 * dbxout.c (dbxout_expand_expr): New.
4387 (dbxout_symbol): Use it.
4389 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
4391 * arm.c (arm_gen_rotated_half_load): Delete.
4392 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
4393 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
4394 (thumb_set_return_address): Likewise.
4395 (thumb_load_double_from_address): Use adjust_address.
4396 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
4397 (extendhsisi2_mem, movhi_bytes): Use change_address.
4398 (movhi): Use widen_memory_access.
4399 (reload_out_df): Use replace_equiv_address.
4400 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
4402 2005-09-09 Richard Henderson <rth@redhat.com>
4405 * dbxout.c: Include expr.h.
4406 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
4407 (dbxout_symbol): Handle DECL_VALUE_EXPR.
4408 * Makefile.in (dbxout.o): Add EXPR_H.
4410 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
4412 PR tree-optimization/23509
4413 * tree-cfg.c (replace_uses_by): Use replace_exp.
4414 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
4415 pointers have name_mem_tag or type_mem_tag set.
4417 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4419 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
4420 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
4421 of wrongly accessing operands.
4423 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4425 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
4426 * tree-chrec.c: Include tree-scalar-evolution.h.
4427 (chrec_convert): Instantiate the base and step before calling
4428 scev_probably_wraps_p that would fail on parametric evolutions.
4429 Collect all the fails into a single section failed_to_convert,
4430 print a diagnostic, and return chrec_dont_know instead of calling
4432 * tree-scalar-evolution.c (loop_closed_phi_def): New.
4433 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
4435 (scev_const_prop): Don't replace the definition of a loop closed ssa
4436 phi node by itself, or by another loop closed ssa phi node.
4437 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
4438 that base and step are defined.
4440 2005-09-09 Richard Guenther <rguenther@suse.de>
4443 * fold-const.c (fold_ternary): Check truth_value_p before
4444 calling invert_truthvalue.
4446 2005-09-09 Nick Clifton <nickc@redhat.com>
4448 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
4449 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
4450 dimension of these arrays.
4451 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
4453 * longlong.h: Only provide a prototype for the __clz_tab[] array
4454 if this header has not been included from libgcc2.h.
4455 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
4457 Provide prototypes for exported functions.
4458 Use the __clz_tab[] and __popcount_tab[] arrays provided by
4461 2005-09-08 Josh Conner <jconner@apple.com>
4465 * expr.c (expand_expr_addr_expr_1): Don't invoke
4466 expand_simple_binop for EXPAND_INITIALIZER.
4468 2005-09-08 Richard Henderson <rth@redhat.com>
4471 * toplev.c (wrapup_global_declaration_1): Split out ...
4472 (wrapup_global_declaration_2): ... from ...
4473 (wrapup_global_declarations): ... here. Return bool.
4474 (check_global_declaration_1): Split out ...
4475 (check_global_declarations): from here.
4476 (emit_debug_global_declarations): New.
4477 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
4478 check_global_declaration_1, emit_debug_global_declarations): Declare.
4479 * c-decl.c (c_write_global_declarations_1): Don't create a vector
4480 of decls. Call wrapup_global_declaration_1,
4481 wrapup_global_declaration_2, check_global_declaration_1 directly.
4482 (c_write_global_declarations_2): New.
4484 (c_write_global_declarations): Call c_write_global_declarations_2.
4485 * langhooks.c (write_global_declarations): Call
4486 emit_debug_global_declarations.
4488 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
4489 remove decls that have DECL_RTL_SET_P.
4490 * passes.c (rest_of_decl_compilation): Invoke
4491 cgraph_varpool_finalize_decl for all but functions.
4493 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
4495 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
4496 the result of a conversion if the new min and max cannot be compared.
4498 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
4500 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
4501 (override_options): Setting s390_sr_alias_set removed.
4502 (save_fpr, save_gprs): Set alias set to vararg or frame.
4503 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
4504 s390_sr_alias_set with get_frame_alias_set ().
4505 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
4506 get_varargs_alias_set ().
4508 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4512 * c-parser.c (c_parser_objc_method_definition): If the next
4513 token is not "{", error out and don't start the function.
4515 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4517 * tree-vrp.c (extract_range_from_expr): Move the check for non
4518 nullness after the check for gimple invariant.
4520 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4522 * tree.c (host_integerp, tree_low_cst): Correct function comment.
4524 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4527 * config/m32r.md (movmemsi_internal): Canonicalize order of
4528 operands in PLUS component of template.
4530 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
4532 * reload1.c (fixup_eh_region_note): Remove assertion.
4533 (fixup_abnormal_edges): Reverted removal of call to
4534 find_many_sub_basic_blocks made on 2005-08-31.
4536 2005-09-07 Richard Henderson <rth@redhat.com>
4538 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
4539 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
4540 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
4541 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
4542 rearrange for better packing.
4543 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
4544 (lookup_cfa_1): Remove inline marker.
4545 (cfa_equal_p): Split out of ...
4546 (def_cfa_1): ... here. Use INVALID_REGNUM.
4547 (build_cfa_loc): Handle !cfa->indirect.
4548 (frame_pointer_cfa_offset): New.
4549 (dbx_reg_number): Assert register elimination performed; do
4550 leaf register remapping.
4551 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
4552 (eliminate_reg_to_offset): New.
4553 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
4554 for verifiably local stack frame addresses; re-base to CFA.
4555 (mem_loc_descriptor): Remove can_use_fbreg argument.
4556 (concat_loc_descriptor, loc_descriptor): Likewise.
4557 (containing_function_has_frame_base): Remove.
4558 (rtl_for_decl_location): Don't do register elimination or
4559 leaf register remapping here.
4560 (secname_for_decl): Split out from ..
4561 (add_location_or_const_value_attribute): ... here.
4562 (convert_cfa_to_loc_list): New.
4563 (compute_frame_pointer_to_cfa_displacement): New.
4564 (gen_subprogram_die): Use them.
4565 * tree.h (frame_base_decl): Remove.
4566 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
4567 (prologue_stack_adjust): Remove.
4568 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
4569 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
4570 (set_frame_base_location): Remove.
4571 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
4572 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
4573 (vt_add_function_parameters): Don't eliminate_regs.
4574 (vt_initialize): Don't create frame_base_decl.
4576 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4578 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
4579 version of GNU binutils for 4.x and later.
4581 2005-09-06 Mark Mitchell <mark@codesourcery.com>
4583 * ggc-page.c (ggc_push_context): Remove.
4584 (ggc_pop_context): Likewise.
4585 * ggc.h (ggc_push_context): Remove.
4586 (ggc_pop_context): Likewise.
4588 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4591 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
4592 returning from an interrupt handler.
4594 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4597 * config/arc/arc.c (output_shift): Add check for loop count when
4600 2005-09-06 Steven Bosscher <stevenb@suse.de>
4602 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
4604 (abs_replacement): Likewise.
4605 (pass_phiopt): Remove TODO_update_ssa.
4607 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4610 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
4611 if "return with no value, in function returning non-void" warning
4613 * tree-cfg.c (execute_warn_function_return): Don't look at
4614 RETURN_EXPRs with TREE_NO_WARNING set.
4617 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
4618 for internal functions doesn't use registers used by global registers
4619 variables. Use fewer register parameters if there are global register
4622 2005-09-06 Olivier Hainque <hainque@adacore.com>
4623 Eric Botcazou <ebotcazou@adacore.com>
4626 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
4627 when we would be extracting outside its bit span (bitpos+bitsize
4628 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
4629 Ada unchecked conversions.
4631 2005-09-06 Steven Bosscher <stevenb@suse.de>
4633 * tree-ssa-pre.c (try_look_through_load): New function.
4634 (compute_avail): Use it to try to look through loads for some
4635 more useful expressions.
4637 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4639 * simplify-rtx.c (simplify_binary_operation_1): Correct the
4640 condition for detecting cases like (a&a) and (a^a).
4642 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
4644 * common.opt: Add option ftree-vect-loop-version.
4645 * params.def: Add --param vect-max-version-checks.
4646 * doc/invoke.texi: Document ftree-vect-loop-version and
4647 --param vect-max-version-checks.
4648 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
4649 may_misalign_stmts and defines for accessors.
4650 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
4651 LOOP_VINFO_MAY_MISALIGN_STMTS.
4652 (destroy_loop_vec_info): VEC_free for
4653 LOOP_VINFO_MAY_MISALIGN_STMTS.
4654 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4655 Update documentation.
4656 (vect_update_misalignment_for_peel): New.
4657 (vect_enhance_data_refs_alignment): Update to choose loop
4658 peeling or loop versioning if appropriate for the (potentially)
4659 unaligned data references in the loop.
4660 (vect_analyze_data_refs_alignment): Remove call to
4661 vect_enhance_data_refs_alignment so the checks can be done
4663 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
4664 and move up call to vect_analyze_data_refs_alignment.
4665 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
4666 (vect_transform_loop): Add call to loop_version.
4668 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4670 PR rtl-optimization/23098
4671 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
4672 * simplify-rtx.c (constant_pool_reference_p): New function.
4673 * rtl.h (constant_pool_reference_p): New prototype.
4674 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
4675 constant_pool_reference_p in condition and
4676 avoid_constant_pool_reference in preparation statements.
4678 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
4680 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
4681 STRICT_LOW_PART SETs.
4683 2005-09-06 Alan Modra <amodra@bigpond.net.au>
4686 * except.c (sjlj_emit_function_enter): Find the function begin
4687 note even when it's not in first basic block.
4689 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
4691 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
4692 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
4693 * aclocal.m4: Regenerate.
4695 2005-09-05 DJ Delorie <dj@redhat.com>
4697 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
4700 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
4702 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
4703 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
4704 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
4705 Follow spelling conventions.
4706 * doc/invoke.texi: Follow spelling conventions.
4708 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4710 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
4711 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
4712 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
4714 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4717 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
4718 (output_stack_adjust): Use gen_tmp_stack_mem.
4719 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
4720 (sh_set_return_address, sh_allocate_initial_value): Likewise.
4721 (sh_get_pr_initial_val): Likewise.
4722 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
4723 (sh_initialize_trampoline): Likewise. Also use adjust_address.
4724 * sh.md (divsi_inv_m0): Use gen_const_mem.
4725 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
4726 (movdf_i4+1): Use gen_tmp_stack_mem.
4727 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
4728 (fpu_switch+2): Likewise.
4729 (movv4sf_i, movv16sf_i): Use adjust_address.
4730 (symGOT_load): Set MEM_NOTRAP_P bit.
4732 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4735 * pa.c (emit_move_sequence): Fix typo in last change.
4737 2005-09-03 Jakub Jelinek <jakub@redhat.com>
4739 PR rtl-optimization/23454
4740 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
4743 2005-09-03 Richard Henderson <rth@redhat.com>
4744 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4747 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
4750 2005-09-02 Nicolas Pitre <nico@cam.org>
4752 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
4753 to bit_count to 32 bits.
4755 2005-08-31 Mark Mitchell <mark@codesourcery.com>
4758 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
4759 generating synthetic loads from volatile lvalues.
4761 005-09-02 Nick Clifton <nickc@redhat.com>
4763 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
4764 __ctzhi2, __clzhi2): New functions.
4766 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
4769 * tree-nested.c (struct var_map_elt): Mark with GTY.
4770 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
4772 (lookup_field_for_decl): Allocate new element in GC memory.
4773 (lookup_tramp_for_decl): Likewise.
4774 (convert_nl_goto_reference): Likewise
4775 (create_nesting_tree): Allocate info in GC memory. Likewise for
4777 (free_nesting_tree): Free with ggc_free instead of free.
4778 (root): New static variable.
4779 (lower_nested_functions): Remove root as local variable. And zero out
4780 root at the end of the function.
4782 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
4784 PR rtl-optimization/20365
4785 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
4786 to short. New member ix.
4787 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
4788 (simplify_plus_minus): Initialize ix members before calling qsort.
4790 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
4792 PR tree-optimization/23626
4793 * tree-cfg.c (replace_uses_by): Clean up eh info.
4795 2005-09-01 DJ Delorie <dj@redhat.com>
4797 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
4800 2005-09-01 David Edelsohn <edelsohn@gnu.org>
4802 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
4803 (rs6000_split_multireg_move): Use replace_equiv_address instead of
4806 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
4808 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
4809 do not issue warning for a variable definition following
4812 2005-09-01 Richard Henderson <rth@redhat.com>
4815 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
4816 conversion to CONST_VECTOR.
4818 2005-09-01 Richard Henderson <rth@redhat.com>
4821 * reload1.c (reload_as_needed): Check !CALL_P before calling
4822 fixup_eh_region_note.
4823 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
4825 2005-09-01 DJ Delorie <dj@redhat.com>
4827 * varasm.c (output_constant): Let the target resolve
4828 conversions of addresses to non-default pointer sizes.
4830 2005-09-01 Nicolas Pitre <nico@cam.org>
4832 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
4833 to alow matching ARM pre-indexed addressing mode.
4834 (arm_override_options): Remove now irrelevant comment.
4836 2005-09-01 Phil Edwards <phil@codesourcery.com>
4838 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
4839 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
4840 * config/i386/vxworks.h: Likewise.
4841 * config/i386/t-vxworksae: New file, for VxWorks AE.
4842 * config/i386/vxworksae.h: Likewise.
4844 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
4846 PR tree-optimization/23410
4847 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
4848 sequence is not wrapping during the first step.
4850 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4853 * dwarf2out.c (base_type_die): Compare char_type_node with
4854 TYPE_MAIN_VARIANT (type), not type.
4856 2005-09-01 Richard Guenther <rguenther@suse.de>
4858 PR tree-optimization/15366
4859 * common.opt: Add -finline-functions-called-once.
4860 Put -fearly-inlining in alphabetically ordered place.
4861 * doc/invoke.texi: Document new option.
4862 * ipa-inline.c (cgraph_decide_inlining): Honour
4863 flag_inline_functions_called_once.
4865 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4867 PR rtl-optimization/23478
4868 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
4869 (alloc_qty): Initialize it.
4870 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
4871 (combine_regs): Combine also n_throwing_calls_crossed fields.
4872 (find_free_reg): Don't attempt to caller-save pseudos crossing
4873 calls that might throw.
4874 * global.c (struct allocno): Add throwing_calls_crossed field.
4875 (global_alloc): Revert 2005-08-22 change. Initialize
4876 throwing_calls_crossed.
4877 (find_reg): Don't attempt to caller-save pseudos crossing calls that
4880 2005-09-01 Alan Modra <amodra@bigpond.net.au>
4883 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
4884 (mask64_operand): Reinstate code prior to 2005-06-11 change.
4885 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
4886 (and64_2_operand): Tweak to use predicate.
4887 (and_operand): Adjust for mask_operand changes.
4888 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
4889 (print_operand): Likewise.
4890 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
4891 (mask64_1or2_operand): Delete.
4892 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
4893 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
4894 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
4895 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
4896 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
4897 (rotldi3_internal4): Likewise.
4898 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
4899 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
4900 (ashldi3_internal7): Likewise.
4901 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
4902 (ashldi3_internal, ashldi3_internal9 split): Likewise.
4903 (anddi3 split): Don't match mask64_operand.
4904 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
4905 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
4906 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
4907 't' splitter predicate.
4908 (movdi_internal64 + 2): Revert 2005-06-11 change.
4910 2005-08-31 DJ Delorie <dj@redhat.com>
4912 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
4913 (m32c_asm_integer): Add support for 32 bit pointers.
4915 2005-08-31 Richard Henderson <rth@redhat.com>
4917 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
4918 component-like references for setting MEM_NOTRAP_P.
4920 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
4921 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
4923 2005-08-31 Richard Henderson <rth@redhat.com>
4925 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
4926 into a pseudo before applying gen_lowpart.
4928 2005-08-31 Geoffrey Keating <geoffk@apple.com>
4930 * doc/install.texi (Specific): Update cctools version required
4931 for full functionality.
4932 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
4933 linkers as -macosx_version_min.
4935 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
4938 * sh.c (print_operand, %R and %S): Add handling of floating point
4939 registers, memory, constants and invalid operands.
4941 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
4943 * ipa-pure-const.c: Change dump name.
4945 2005-08-31 Uros Bizjak <uros@kss-loka.si>
4948 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
4949 to "reg_or_0_operand".
4950 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
4952 2005-08-31 Dale Johannesen <dalej@apple.com>
4954 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
4955 loops that count down.
4957 2005-08-31 Richard Henderson <rth@redhat.com>
4960 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
4961 (fixup_eh_region_note): New.
4962 (reload_as_needed): Call it.
4963 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
4964 don't call find_many_sub_basic_blocks; call verify_flow_info.
4965 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
4966 (keep_stack_depressed): Likewise.
4967 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
4969 2005-08-31 Richard Henderson <rth@redhat.com>
4971 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
4974 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
4976 * expr.c (expand_expr_real_1): Compare size of address
4977 mode to target's address mode size in deciding expansion of
4978 the constant address.
4980 2005-08-31 Richard Guenther <rguenther@suse.de>
4983 * expr.c (all_zeros_p): New function.
4984 (expand_expr_real_1): Handle the case of an all-zero
4985 non-addressable constructor separately.
4987 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
4989 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
4990 arguments, adjust all callers.
4991 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
4993 2005-08-30 Richard Henderson <rth@redhat.com>
4996 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
4997 whenever the mode sizes match.
4999 2005-08-31 Alan Modra <amodra@bigpond.net.au>
5001 * calls.c (load_register_parameters): Fix comment typo.
5002 * expr.c (emit_push_insn): Comment formatting.
5004 2005-08-30 Ian Lance Taylor <ian@airs.com>
5006 * config/i386/x-cygwin (host-cygwin): Change dependency from
5007 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
5009 2005-08-29 Geoffrey Keating <geoffk@apple.com>
5011 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
5014 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5017 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
5018 call to ggc_collect.
5020 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
5023 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
5024 beginning. Remove $(INCLUDES) from all the rules, if following
5025 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
5027 2005-08-29 Jakub Jelinek <jakub@redhat.com>
5030 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
5031 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
5032 not constant, but maxlen is, don't set len to maxlen, rather
5033 set maxlen to len if len is a constant.
5035 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
5037 PR tree-optimization/23475
5038 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
5041 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
5043 Fix PR middle-end/22455
5045 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
5046 Checksum only the parts of the tree that exist for the tree code.
5048 2005-08-28 Dale Johannesen <dalej@apple.com>
5050 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
5052 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
5054 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
5056 2005-08-28 Richard Henderson <rth@redhat.com>
5058 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
5059 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
5062 2005-08-28 Jakub Jelinek <jakub@redhat.com>
5065 * builtins.c (get_memory_rtx): Don't strip nops
5066 in between COMPONENT_REFs.
5068 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
5071 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
5073 (gimplify_modify_expr): Check for zero sized types and gimplify the
5074 rhs and lhs as statements.
5076 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
5079 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
5080 state for return address column of signal frames.
5082 2005-08-27 David Edelsohn <edelsohn@gnu.org>
5085 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
5086 bytes >= 2 not bytes == 2.
5087 (expand_block_move): Same.
5089 2005-08-27 Richard Guenther <rguenther@suse.de>
5092 * config/i386/sse.md (sse2_movsd): Add missing closing
5095 2005-08-27 Paul Brook <paul@codesourcery.com>
5097 * genrecog.c (enum decision_type): Add DT_num_insns.
5098 (struct decision_test): Add u.num_insns.
5099 (add_to_sequence): Add DT_num_insns test.
5100 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
5101 (write_cond, debug_decision_2): Ditto.
5102 (change_state): Assume peep2_next_insn never fails.
5103 Remove "afterward" argument.
5104 (write afterward, write_tree): Update to match.
5105 * recog.c (peep2_current_count): New variable.
5106 (peep2_next_insn): Check it.
5107 (peephole2_optimize): Set peep2_current_count.
5108 * recog.h (peep2_current_count): Declare.
5110 2005-08-26 Josh Conner <jconner@apple.com>
5113 * ipa-pure-const.c (check_tree): Check for volatile-ness
5114 when considering a dereference.
5116 2005-08-27 Jakub Jelinek <jakub@redhat.com>
5118 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
5120 2005-08-26 Jakub Jelinek <jakub@redhat.com>
5122 PR rtl-optimization/23561
5123 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
5124 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
5125 at most LEN bytes long memory fits into the field.
5126 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
5127 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
5128 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
5130 2005-08-26 Richard Henderson <rth@redhat.com>
5133 * loop.c (biased_biv_may_wrap_p): New.
5134 (maybe_eliminate_biv_1): Use it to suppress non-equality
5135 comparison transformations. Delete disabled code.
5137 2005-08-26 Ian Lance Taylor <ian@airs.com>
5139 * combine.c (make_extraction): Avoid reference outside object.
5141 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
5143 * stor-layout.c (finalize_type_size): Restore behaviour for
5144 non-aggregate types to the status quo ante of the patch for
5145 pr 23467. Document why it matters.
5147 2005-08-26 Jakub Jelinek <jakub@redhat.com>
5150 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
5151 array by one element, initialize the BT_LAST element with NULL.
5153 2005-08-26 David Edelsohn <edelsohn@gnu.org>
5155 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
5156 optimizing for size.
5158 (compare_plus_eqsi): Same.
5159 (plus_eqsi_compare): Same.
5160 (neg_eq0<mode>): Same.
5161 (neg_eq<mode>): Same.
5163 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
5166 2005-08-26 Nick Clifton <nickc@redhat.com>
5168 * config/v850/v850.c (ep_memory_operand): Return FALSE if
5169 TARGET_EP is not defined.
5170 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
5171 TARGET_EP is enabled.
5172 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
5173 * config/v850/v850.md (save_all_interrupt): Only use the EP
5174 register if TARGET_EP is defined.
5175 (restore_all_interrupt): Likewise.
5176 * config/v850/lib1funcs.asm: Update functions so that the EP
5177 register is only used if __EP__ is defined.
5179 2005-08-26 David Ung <davidu@mips.com>
5181 * config/mips/mips.c (mips_expand_prologue): Handle case when
5182 generating for MIPS16 and the outgoing argument area is more than
5183 SMALL_OPERAND. Use the frame pointer as temporary to generate the
5186 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
5188 * config/crx/crx.md: Make doloop_end pattern usage controllable
5189 via mloop-nesting=<max-nesting> command line switch. Make sure
5190 the combiner cannot use doloop_end_<mode> in an illegal way.
5191 * config/crx/crx.c: Use regs up to r6 for argument passing.
5192 Refine crx_address_cost (non cst4 displacements are expensive).
5193 * config/crx/crx.opt: Add switch for mloop-nesting=.
5195 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
5197 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
5198 (UNSPEC_MVST): New constant.
5200 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
5202 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
5203 Reject operands containing eliminable registers.
5204 * testsuite/gcc.dg/20050825-1.c: New testcase.
5206 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5207 Jan Hubicka <jh@suse.cz>
5209 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
5211 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5213 PR tree-optimization/23546
5214 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
5217 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
5219 * params.def (PARAM_MIN_SPEC_PROB): New.
5220 * sched-rgn.c (MIN_PROBABILITY): Delete.
5221 (compute_trg_info): Convert to PARAM_VALUE.
5222 * doc/invoke.texi (param): Document min-spec-prob.
5224 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
5226 * config/darwin.h: define __PIC__
5227 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
5228 TARGET_OS_CPP_BUILTINS macro.
5230 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5232 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
5235 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
5237 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
5239 * cfghooks.c (duplicate_block): Added position where to place
5240 new block as argument.
5241 * cfghooks.h (duplicate_block): Declaration changed.
5242 * cfglayout.c (copy_bbs): Add argument after. Pass it to
5244 * cfglayout.h (copy_bbs): Declaration changed.
5245 * cfgloop.h (loop_version): Declaration changed.
5246 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
5247 position to copy_bbs.
5248 (loop_version): Pass position to duplicate_loop_to_header_edge.
5249 Add place_after argument and position new blocks according to
5251 * modulo-sched.c (sms_schedule): Pass place_after argument
5253 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
5254 * tree-cfg.c (split_edge_bb_loc): New function.
5255 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
5256 to determine position of new blocks.
5257 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
5259 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
5260 argument to duplicate_block.
5261 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
5262 Pass position to copy_bbs.
5264 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
5266 * fold-const.c (ptr_difference_const): Use
5267 cst_and_fits_in_hwi instead of host_integerp.
5269 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5271 * config/darwin.c (gen_pic_offset): New.
5272 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
5275 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
5277 PR tree-optimization/23486
5278 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
5280 2005-08-23 Phil Edwards <phil@codesourcery.com>
5282 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
5283 remove use_collect2.
5284 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
5286 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
5287 configuration files to override the default value.
5289 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
5290 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
5291 * config/vx-common.h: New file, split out from...
5292 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
5293 * config/vxworksae.h: New file, for VxWorks AE.
5294 * config/vxworks.opt: New file.
5295 * config/vxlib.c: Update for VxWorks 6.
5297 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
5298 other MULTILIB_* variables appropriately.
5299 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
5300 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
5301 * config/rs6000/vxworks.h: Update for VxWorks 6.
5302 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
5304 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
5307 * config/darwin.c (machopic_select_section): Remove the hack to
5308 mark "::operator new" and "::operator delete" for coalescing
5309 even though they are not weak.
5311 2005-08-24 Alan Modra <amodra@bigpond.net.au>
5313 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
5314 * configure: Regenerate.
5316 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
5319 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
5321 * convert.c (convert_to_integer, convert_to_vector): Likewise.
5322 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
5325 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
5327 * config/rs6000/predicates.md (equality_operator): New.
5328 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
5329 comparison with a large constant.
5331 2005-08-23 Mark Mitchell <mark@codesourcery.com>
5333 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
5335 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
5337 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
5338 registers is even, and we have a hardware double precision fp,
5340 (sh_gimplify_va_arg_expr): For floating point arguments, consider
5341 size of current argument when checking if argument was passed in
5344 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
5347 * stor-layout.c (finalize_type_size): Dont override
5348 existing alignment with a smaller alignment from the mode.
5350 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
5352 * lambda-code.c (lambda_vector_lexico_pos): Moved...
5353 * lambda.h (lambda_vector_lexico_pos): ... here.
5354 * tree-data-ref.c (build_classic_dist_vector): Return false when
5355 the distance vector is lexicographically negative.
5357 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
5359 PR tree-optimization/23511
5360 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
5361 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
5363 2005-08-23 Jakub Jelinek <jakub@redhat.com>
5365 PR tree-optimization/22043
5366 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
5367 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
5368 If ALLOW_FLEXARR, handle types ending with flexible array member.
5369 Pass false as second argument to recursive count_type_elements calls.
5370 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
5371 argument to count_type_elements call.
5372 * tree-sra.c (decide_block_copy): Likewise.
5373 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
5374 for a constant-sized object, set cleared as well. Pass true as
5375 second argument to count_type_elements call.
5377 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5380 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
5381 from legitimate_small_data_p, and make global. Update use.
5382 Remove forward declaration.
5383 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
5385 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
5387 2005-08-23 David Edelsohn <edelsohn@gnu.org>
5389 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
5390 of scratch intermediates.
5391 (eq<mode>_compare): Same.
5392 (neg_eq0<mode>): New.
5393 (neg_eq<mode>): Convert to define_insn_and_split.
5395 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5398 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
5399 stdarg functions, set/clear the fp marker even when no variable
5401 * config/rs6000/sysv4.opt (mprototype): Describe.
5403 2005-08-22 Jakub Jelinek <jakub@redhat.com>
5405 PR rtl-optimization/23478
5406 * regs.h (reg_info): Add throw_calls_crossed.
5407 (REG_N_THROWING_CALLS_CROSSED): Define.
5408 * flow.c (allocate_reg_life_data): Initialize
5409 REG_N_THROWING_CALLS_CROSSED.
5410 (propagate_one_insn, attempt_auto_inc): Update
5411 REG_N_THROWING_CALLS_CROSSED.
5412 * global.c (global_alloc): Don't allocate pseudos across
5413 calls that may throw.
5415 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
5418 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
5419 value is inbetween the range if we did not find an exact match.
5421 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
5423 * doc/invoke.texi (Option Summary): Add ms1 options.
5424 * doc/extend.texi: Document interrupt handler attribute for ms1.
5425 * doc/md.texi: Document ms1 constraints.
5426 * config.gcc: Add ms1-*-elf.
5427 * config/ms1/ms1.h: New.
5428 * config/ms1/ms1.c: New.
5429 * config/ms1/ms1.md: New.
5430 * config/ms1/ms1-protos.h: New.
5431 * config/ms1/ABI.txt: New.
5432 * config/ms1/crti.asm: New.
5433 * config/ms1/crtn.asm: New.
5434 * config/ms1/lib2extra-funcs.c: New.
5435 * config/ms1/t-ms1: New.
5436 * config/ms1/ms1.opt: New.
5438 2005-08-22 Ira Rosen <irar@il.ibm.com>
5440 * config/rs6000/altivec.md (xorv4sf3): New.
5441 (negv4sf2, neg<mode>2): Likewise.
5443 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
5446 * config/ia64/ia64.md (divsi3): Check divide by zero.
5447 (udivsi3): Likewise.
5449 (udivdi3): Likewise.
5451 2005-08-21 Jakub Jelinek <jakub@redhat.com>
5453 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
5454 up to elem_bitsize bits, not max_bitsize.
5456 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5458 PR tree-optimization/23433
5459 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
5460 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
5462 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5464 PR tree-optimization/23434
5465 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
5466 the iteration bound is not an INTEGER_CST.
5468 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
5470 * tree-vect-transform.c (get_initial_def_for_reduction): Set
5471 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
5472 NULL if need_epilog_adjust is false.
5473 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
5474 Case 3 always peels first itration, not just for PLUS case, and no need
5475 to use scalar_initial_def here. Create an epilog adjustment only if
5476 scalar_initial_def is not NULL.
5478 (vectorizable_reduction): Remove assert.
5480 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
5483 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
5484 (__moddi3): Likewise.
5485 (__udivdi3): Likewise.
5486 (__umoddi3): Likewise.
5487 (__divsi3): Likewise.
5488 (__modsi3): Likewise.
5489 (__udivsi3): Likewise.
5490 (__umodsi3): Likewise.
5492 2005-08-20 Jakub Jelinek <jakub@redhat.com>
5494 * tree-pass.h (TDF_GRAPH): Define.
5495 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
5496 * passes.c (finish_optimization_passes): Only call
5497 finish_graph_dump_file if TDF_GRAPH is set.
5498 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
5499 NULL. Set TDF_GRAPH bit.
5500 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
5502 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
5504 * arm.h (arm_stack_offsets): Add locals_base field.
5505 * arm.c (arm_get_frame_offsets): Compute it.
5506 (thumb_compute_initial_elimination offset): Make the Thumb frame
5507 pointer point to the base of the local variables.
5508 (thumb_expand_prologue): Update accordingly.
5509 (thumb_expand_epilogue): Likewise.
5511 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
5512 mode of clobbered scratch to DImode. Handle a case that's known to
5515 2005-08-19 David Edelsohn <edelsohn@gnu.org>
5517 * config/rs6000/rs6000.md (gt0<mode>): Delete.
5518 (gt0<mode>_compare): Delete.
5519 (neg_gt0<mode>): Delete.
5521 2005-08-19 Eric Christopher <echristo@apple.com>
5523 * optabs.h: Change CTI_ to COI_.
5526 2005-08-19 James E Wilson <wilson@specifix.com>
5528 * builtins.c (expand_builtin_return_addr): Set
5529 current_function_accesses_prior_frames when count != 0. Use
5530 frame_pointer_rtx when count == 0.
5531 * function.h (struct function): Add accesses_prior_frames field.
5532 (current_function_accesses_prior_frames): Define.
5533 * reload1.c (init_elim_table): Check
5534 current_function_accesses_prior_frames.
5535 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
5537 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5539 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
5540 indicator. Return true if the flowgraph changed during
5543 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5546 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
5547 conditional expression before testing its value.
5549 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5551 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
5553 2005-08-19 Devang Patel <dpatel@apple.com>
5555 PR tree-optimization/23048
5556 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
5557 third parameter. Check whether latch is dominated by exit
5559 (if_convertible_loop_p): Supply exit block itself to
5560 if_convertible_bb_p.
5562 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5565 * arm.md (arm_load_pic_register): Change argument to the mask of
5566 saved registers. Call thumb_find_work_register if we need a
5567 scratch register on Thumb.
5568 (arm_expand_prologue): Pass empty register set to
5569 arm_load_pic_register.
5570 (thumb_expand_prologue): Pass live_regs_mask directly to
5571 arm_load_pic_register.
5572 * arm-protos.h (arm_load_pic_register): Update prototype.
5574 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
5576 * sh.c (find_sole_member): New function.
5577 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
5578 if the record's alignment is larger than the size of its only member.
5580 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5583 * arm.c (thumb_legitimize_reload_address): New function.
5584 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
5585 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
5587 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
5589 * config/crx/crx.c: Implement crx_decompose_address. Reject
5590 symbolic displacements since CRX register relative adressing
5591 mode can't handle unsigned 32-bit values as displacements.
5592 * config/crx/crx.h: Simplify definitions, remove redundant
5593 parenthesis and obsolete macros.
5594 * config/crx/crx.opt: Add new switch for debugging addresses.
5595 * config/crx/crx-protos.h: Add new declarations for above.
5597 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
5600 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
5603 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5605 * collect2.c (dup2): Delete.
5606 * configure.ac: Don't check for dup2.
5608 * config.in, configure: Regenerate.
5610 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
5612 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
5613 record with the type of its only member.
5615 2005-08-18 David Edelsohn <edelsohn@gnu.org>
5617 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
5618 define_insn_and_split.
5619 (plus_ltu<mode>_compare): Same.
5620 (gtu<mode>_compare): Same.
5621 (plus_gtu<mode>_compare): Same.
5623 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
5625 PR tree-optimization/22228
5626 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
5628 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
5629 are recorded in vect_vnames_to_rename for renaming.
5630 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
5631 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
5632 in vect_vnames_to_rename.
5633 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
5634 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
5636 2005-08-18 Jan Hubicka <jh@suse.cz>
5639 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
5640 info only for local statics, not for member variables.
5642 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5644 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
5646 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5648 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
5650 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
5653 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
5655 2005-08-17 James E Wilson <wilson@specifix.com>
5657 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5660 2005-08-17 David Edelsohn <edelsohn@gnu.org>
5662 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
5663 (leu<mode>_compare): Same.
5664 (plus_leu<mode>): Same.
5665 (neg_leu<mode>): Same.
5666 (and_neg_leu<mode): Same.
5667 (ltu<mode>_compare): Same.
5668 (plus_ltu<mode>): Same.
5670 (geu<mode>_compare): Same.
5671 (plus_geu<mode>): Same.
5672 (neg_geu<mode>): Same.
5673 (and_neg_geu<mode>): Same.
5674 (plus_gt<mode>): Same.
5675 (gtu<mode>_compare): Same.
5676 (plus_gtu<mode>): Same.
5678 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
5680 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
5681 Move call_table_data to end. Delete spurious .text.
5682 (callt_save_all_interrupt): Fix comment typo.
5684 2005-08-17 James E Wilson <wilson@specifix.com>
5685 Kevin Winchester <winchester@amirix.com>
5688 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
5690 2005-08-17 Uros Bizjak <uros@kss-loka.si>
5693 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
5694 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
5696 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
5698 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
5699 record with the type of its only member if the modes don't match.
5701 * varasm.c (decode_reg_name): Skip empty additional register names.
5703 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5705 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
5706 lsm_tmp_name_length): New.
5707 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
5708 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
5710 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5711 Andreas Krebbel <krebbel1@de.ibm.com>
5713 * config.gcc: Added z9-109 switch.
5714 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
5715 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
5716 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
5717 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5718 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
5719 for "z9_109" cpu attribute.
5720 * config/s390/s390.c (z9_109_cost): New processor cost structure.
5721 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
5722 (s390_handle_arch_option): Added z9-109 switch.
5723 (override_options): Set respective cost function for z9-109.
5724 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
5725 (legitimate_reload_constant_p): Accept extended immediates.
5726 (print_operand): Three new output modifiers added: k, m and o.
5727 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
5728 (s390_output_mi_thunk): Use extended immediate when possible.
5729 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
5730 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
5731 (CONSTRAINT_LEN): Added length of O constraint.
5732 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
5733 * config/s390/s390.md ("cpu"): New value z9_109 added.
5734 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
5735 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
5736 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
5737 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
5738 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
5739 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
5740 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
5741 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
5742 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
5743 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5744 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
5745 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
5746 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
5747 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
5748 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
5750 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
5751 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
5752 insns for TARGET_EXTIMM.
5754 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
5756 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
5758 2005-08-17 Nick Clifton <nickc@redhat.com>
5760 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
5761 Call default_encode_section_info.
5763 2005-08-17 Steven Bosscher <stevenb@suse.de>
5765 PR tree-optimization/21574
5766 * tree-ssa-ccp.c (likely_value): If the right hand side is a
5767 constant, return CONSTANT.
5768 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
5769 (ccp_fold, visit_assignment): Likewise.
5770 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
5772 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5774 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
5775 fold_buildN instead of buildN then fold_initializer or fold.
5776 (build_unary_op): Likewise.
5777 (build_binary_op): Likewise.
5778 * fold-const.c (fold_initializer): Remove.
5779 (fold_build1_initializer): New function.
5780 (fold_build2_initializer): New function.
5781 (fold_build3_initializer): New function.
5782 * tree.h (fold_initializer): Remove.
5783 (fold_build1_initializer): New function.
5784 (fold_build2_initializer): New function.
5785 (fold_build3_initializer): New function.
5787 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5789 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
5790 (try_move_mult_to_index): Call fold_build2 instead of build2.
5791 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
5792 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
5793 fold_binary_to_constant.
5794 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
5796 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
5797 check if A == gcd (A, B). Remove TYPE argument.
5798 (analyze_offset) Use fold_build2 instead of fold (build.
5799 (create_data_ref): Likewise.
5800 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
5801 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
5804 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
5806 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
5807 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
5809 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
5812 * gimplify.c (zero_sized_type): New function.
5813 (gimplify_modify_expr_rhs): If we have a zero sized type,
5814 replace the statement with an empty statement.
5816 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
5818 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
5821 2005-08-16 Ian Lance Taylor <ian@airs.com>
5823 * doc/tm.texi (Label Output): Correct typo.
5825 2005-08-16 Steven Bosscher <stevenb@suse.de>
5828 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
5829 force_operand will work later on using have_insn_for.
5831 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5833 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
5835 2005-08-16 Ian Lance Taylor <ian@airs.com>
5838 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
5839 vector type, don't try to construct it element by element. Add an
5840 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
5842 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5844 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
5846 2005-08-16 Geoffrey Keating <geoffk@apple.com>
5848 * doc/invoke.texi (Precompiled Headers): Document some more options
5849 which are known to be safe.
5851 2005-08-16 James E Wilson <wilson@specifix.com>
5853 PR tree-optimization/21105
5854 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5855 TREE_OVERFLOW check.
5857 2005-08-16 David Edelsohn <edelsohn@gnu.org>
5859 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
5860 (neg_ltu<mode>): Same.
5862 (neg_gtu<mode>): Same.
5864 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5866 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
5867 (fold_builtin_isdigit): Use fold_buildN.
5868 (build_function_call_expr): Likewise.
5869 * c-typeck.c (c_finish_loop): Likewise.
5871 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
5872 Richard Shann <rshann@superh.com>
5874 PR middle-end/20396:
5875 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
5877 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
5879 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
5881 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
5884 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
5885 arm_compure_save_reg0_reg12_mask to determine when the PIC register
5888 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5891 * fold-const.c (build_range_check): Disable optimization for function
5892 pointer expressions on targets that require function pointer
5895 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
5897 * simplify-rtx.c (simplify_const_relational_operation): When
5898 extracting arguments of a COMPARE, recompute the mode as well.
5900 2005-08-15 Ian Lance Taylor <ian@airs.com>
5902 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
5904 2005-08-15 DJ Delorie <dj@redhat.com>
5906 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
5908 (movsi_splittable): Allow, but split, moves to the stack.
5909 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
5912 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5914 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
5915 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
5916 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
5918 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
5919 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
5920 Delete HOST_PTR_PRINTF.
5922 * configure, config.in: Regenerate.
5924 2005-08-15 David Edelsohn <edelsohn@gnu.org>
5926 * config/rs6000/rs6000.md (QHSI): New mode macro.
5927 (wd): Extend mode attr for QImode and HImode
5928 (dbits): New mode attr.
5929 (zero_extend<mode>di2): Convert to mode macro.
5931 2005-08-15 Steve Ellcey <sje@cup.hp.com>
5934 * doc/invoke.texi (-mgnu-ld): Update description.
5937 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5940 * Makefile.in (tree-chrec.o): Depends on real.h.
5941 * tree-chrec.c: Include real.h.
5942 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
5943 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
5944 * tree-scalar-evolution.c (add_to_evolution_1,
5945 interpret_rhs_modify_expr): Ditto.
5947 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
5950 * tree-data-ref.c (estimate_niter_from_size_of_data): When
5951 step is negative compute the estimation from init downwards to zero.
5953 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
5955 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
5957 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5959 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
5961 (legitimate_reload_constant_p): Fix handling of lliXX operands.
5962 Accept double-word constants that can be split.
5963 * config/s390/s390.md ("movti"): Use 'P' constraint.
5964 ("*movdi_31", "*movdf_31"): Likewise.
5966 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
5968 Fix PR tree-optimization/22615
5970 * tree-ssa-structalias.c (solution_set_add): Handle
5971 first_vi_for_offset returning NULL.
5972 (do_da_constraint): Ditto.
5973 (do_sd_constraint): Ditto.
5974 (do_ds_constraint): Ditto
5975 (find_func_aliases): Ditto.
5976 (build_constraint_graph): RHS is allowed be ANYTHING.
5977 (first_vi_for_offset): Return NULL if we couldn't find anything at
5980 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
5982 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
5983 over memory as first operand.
5985 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
5988 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
5989 available for setting it.
5991 2005-08-14 Ira Rosen <irar@il.ibm.com>
5993 PR tree-optimization/23320
5994 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
5995 data-refs' types instead of base object nullness. Add check for
5996 pointer type data-refs before first location comparison. Remove
5999 2005-08-14 Andreas Schwab <schwab@suse.de>
6001 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
6003 2005-08-13 James E Wilson <wilson@specifix.com>
6005 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
6006 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
6007 -fstack-protector-all, --param ssp-buffer-size): Document.
6008 (-Wvariadic-macros): Alphabetize.
6009 (-fsched-stalled-insns-dep): Add missing 'f'.
6011 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
6014 2005-08-13 David Edelsohn <edelsohn@gnu.org>
6016 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
6017 or indirect address operand.
6018 (EXTRA_ADDRESS_CONSTRAINT): New.
6019 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
6021 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
6023 PR tree-optimization/22236
6024 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
6025 successors and predecessors.
6026 * tree-chrec.c (chrec_convert): Before converting, check that
6027 sequences don't wrap.
6028 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
6029 (analyze_array): Extern.
6030 (find_data_references_in_loop): Remove call to
6031 compute_estimated_nb_iterations.
6032 * tree-data-ref.h (analyze_array): Declared.
6033 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
6034 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
6035 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
6036 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
6038 * tree-ssa-loop-ivcanon.c: Fix documentation.
6039 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
6040 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
6041 (infer_loop_bounds_from_undefined): New.
6042 (estimate_numbers_of_iterations_loop): Use
6043 infer_loop_bounds_from_undefined.
6044 (used_in_pointer_arithmetic_p): New.
6045 (scev_probably_wraps_p): Pass an extra parameter. Call
6046 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
6047 (convert_step): Fix documentation.
6048 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
6049 Use initial_condition_in_loop_num and evolution_part_in_loop_num
6050 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
6051 scev_probably_wraps_p.
6053 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
6055 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
6056 (s390_register_info): Ignore clobbered_regs information for fixed
6057 registers, and only fixed registers.
6058 (s390_init_frame_layout): Remove redundant call.
6060 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
6062 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
6063 description of -Wold-style-casts.
6065 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6066 Jakub Jelinek <jakub@redhat.com>
6068 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6069 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
6070 * config/s390/s390.c (print_operand): New output modifier 'G' added.
6071 (get_thread_pointer): Renamed to s390_get_thread_pointer.
6072 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
6073 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
6074 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
6075 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6076 ("stack_protect_set", "stack_protect_test"): New expanders.
6077 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
6078 "stack_protect_testdi"): New insn definitions.
6080 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6082 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
6084 2005-08-12 Paul Brook <paul@codesourcery.com>
6086 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
6088 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6090 * config/s390/predicates.md (setmem_operand): New predicate.
6091 (shift_count_operand): Accept ANDs with special constants as
6093 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
6094 with special constants.
6095 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
6096 shift_count_operand with setmem_operand.
6098 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6100 * config/s390/s390.c (s390_extract_part, s390_single_part):
6102 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
6103 (s390_output_mi_thunk): Don't use lg on 31 bit.
6104 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
6105 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
6107 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6109 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
6110 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
6111 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
6112 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
6113 with one of the new macros.
6115 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6117 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
6118 Don't set save_return_addr_p.
6119 (s390_register_info): Make clobbered_regs not depending on
6122 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
6124 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
6125 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
6127 2005-08-11 James E. Wilson <wilson@specifix.com>
6129 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
6131 2005-08-11 Jakub Jelinek <jakub@redhat.com>
6133 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
6134 locations gathered by var-tracking in single entry loc_list
6135 over loc_descriptor_from_tree.
6137 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
6138 pass it down to loc_descriptor.
6139 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
6140 (containing_function_has_frame_base): Move earlier in the file.
6141 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
6142 instead of always assuming fbreg can't be used.
6144 2005-08-11 David Edelsohn <edelsohn@gnu.org>
6146 * config/rs6000/altivec.md: Change constraint "m" to "Z".
6147 * config/rs6000/predicates.md (indexed_or_indirect_operand):
6148 Accept address wrapped in AND for Altivec.
6149 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6150 Strip AND wrapping offset address for Altivec.
6152 2005-08-11 Richard Henderson <rth@redhat.com>
6155 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
6156 before using TYPE_IS_SIZETYPE.
6158 2005-08-11 Richard Henderson <rth@redhat.com>
6161 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
6162 insn types not present on ev4.
6163 (alphaev5_insn_pipe): Similarly.
6165 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
6168 * arm.c (arm_override_options): If the user has selected callee-super-
6169 interworking, then enable normal interworking.
6171 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6173 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
6176 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
6178 * doc/rtl.texi: Fix two typos.
6180 2005-08-11 Richard Guenther <rguenther@suse.de>
6183 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
6184 cases where we call to/from functions returning void.
6186 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
6189 * tree.c (build_pointer_type_for_mode): Robustify.
6191 2005-08-10 James E Wilson <wilson@specifix.com>
6193 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
6194 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
6196 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
6199 2005-08-10 Eric Christopher <echristo@apple.com>
6201 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
6202 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
6205 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
6208 * config/darwin.c (machopic_indirect_data_reference): Use a new register
6209 for the high part when generating dynamic-no-pic code.
6211 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
6213 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
6214 (x86_64-*-linux*): Likewise.
6216 * config/i386/crtfastmath.c: New file.
6217 * config/i386/t-crtfm: Likewise.
6219 * config/i386/linux.h (ENDFILE_SPEC): New.
6220 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
6222 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
6225 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
6227 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
6228 (vec_shl, vec_shr): Document new operations.
6229 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
6231 2005-08-10 David Edelsohn <edelsohn@gnu.org>
6233 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
6234 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
6235 change predicate to indexed_or_indirect_address.
6237 2005-08-10 Richard Sandiford <richard@codesourcery.com>
6239 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
6240 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
6241 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
6242 and __aeabi_uwrite8.
6243 * config/arm/unaligned-funcs.c: New file.
6244 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
6246 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
6248 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
6250 * cfglayout.c (pass_insn_locators_initialize): Add dump.
6251 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
6253 * except.c (pass_convert_to_eh_region_ranges): Add dump.
6254 * final.c (pass_shorten_branches): Add dump.
6255 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
6256 (pass_life): Rename dump.
6257 (rest_of_handle_flow2): Remove initial verify_flow_info.
6258 * function.c (pass_instantiate_virtual_regs): Add dump.
6259 * integrate.c (pass_initial_value_sets): Add dump.
6260 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
6261 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
6262 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
6263 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
6264 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
6265 gate_rtl_unrool_and_peel_loops): New.
6266 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
6267 rtl_doloop): Do not look at flags.
6268 * mode-switching.c (pass_mode_switching): Add dump.
6269 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
6270 pass_split_before_regstack): Add dump.
6271 * regmove.c (pass_stack_adjustments): Add dump.
6272 * tree-optimize.c (pass_fixup_cfg): Add dump.
6274 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6277 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
6278 deciding which instruction sequence to use.
6280 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
6282 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
6283 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
6285 2005-08-09 Richard Guenther <rguenther@suse.de>
6287 * c-common.c (builtin_function_2): Remove.
6288 (def_builtin_1): New function.
6289 (c_common_nodes_and_builtins): Use def_builtin_1 to
6290 build builtin functions.
6292 2005-08-09 Jie Zhang <jie.zhang@analog.com>
6294 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
6295 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6296 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
6299 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
6301 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
6302 fold_binary instead of fold_build2 since we don't care about the
6304 (loop_niter_by_eval): Likewise.
6305 (compare_trees): Likewise.
6306 (proved_non_wrapping_p): Likewise.
6308 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
6312 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
6313 if the if is really empty.
6315 2005-08-09 Steven Bosscher <stevenb@suse.de>
6317 PR tree-optimization/23234
6318 * tree-ssa-math-opts.c (place_reciprocal): New enum.
6319 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
6320 argument of the new enum.
6321 (execute_cse_reciprocals): Add reciprocals for function arguments
6322 on the unique successor edge of the entry block. Update other calls
6323 to execute_cse_reciprocals_1.
6325 2005-08-08 Richard Henderson <rth@redhat.com>
6328 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
6330 2005-08-08 Bob Wilson <bob.wilson@acm.org>
6332 * expr.c (write_complex_part): Return after handling MEM.
6334 2005-08-08 Josh Conner <jconner@apple.com>
6336 PR rtl-optimization/23241
6337 * combine.c (simplify_comparison): Fix error in determining
6338 whether to lift a subreg from comparison.
6340 2005-08-08 David Edelsohn <edelsohn@gnu.org>
6343 * config/rs6000/altivec.md (vec_init<mode>): New.
6344 (vec_set<mode>): New.
6345 (vec_extract<mode>): New.
6346 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
6347 (rs6000_expand_vector_set): New.
6348 (rs6000_expand_vector_extract): New.
6349 (rs6000_legitimate_offset_address_p): Offset addresses are valid
6350 for Altivec modes before reload.
6351 (altivec_expand_vec_init_builtin): New.
6352 (get_element_number): New.
6353 (altivec_expand_vec_set_builtin): New.
6354 (altivec_expand_vec_ext_builtin): New.
6355 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
6357 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
6359 * config/rs6000/rs6000.h (rs6000_builtins): Add
6360 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
6361 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
6362 * config/rs6000/rs6000-protos.h: Declare new functions.
6364 2005-08-08 Jan Hubicka <jh@suse.cz>
6366 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
6367 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
6368 * i386.md (movdi*): Use pic_32bit_operand.
6369 * predicates.md (pic_32bit_operand): New.
6371 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
6374 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
6376 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
6378 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
6379 (test_for_singularity): Use fold_build2.
6381 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6383 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
6385 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
6387 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6388 (COMMON_ASM_OP) Define.
6389 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
6390 (ix86_encode_section_info): Likewise.
6391 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
6392 SUBTARGET_ENCODE_SECTION_INFO.
6394 2005-08-06 Richard Henderson <rth@redhat.com>
6397 * tree-nested.c (convert_local_reference): Save and restore val_only
6398 around component_ref and friends. Clear walk_subtrees by default.
6400 2005-08-06 Peter O'Gorman <peter@pogma.com>
6403 * gcc.c (process_command): Check the argument to -b has a dash.
6404 * doc/invoke.texi: Update -b and -V docs.
6406 2005-08-06 James E Wilson <wilson@specifix.com>
6408 * config/mips/cross64.h, config/mips/t-cross64: Delete.
6410 2005-08-06 Michael Matz <matz@suse.de>
6412 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
6413 member only if only one insn is associated with the value.
6415 2005-08-06 Nick Clifton <nickc@redhat.com>
6417 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
6419 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
6420 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
6421 Check symbol flags instead of symbol name mangling.
6422 (xstormy16_asm_output_aligned_common): Likewise. Also
6423 simplify code since the bss100_section cass is the only case
6424 where the below100 code will be triggered.
6425 (xstormy16_encode_section_info): Encode below100 attribute
6426 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
6428 (xstormy16_strip_name_encoding): Delete - this function is no
6430 (TARGET_STRIP_NAME_ENCODING): Undefine.
6431 * config/stormy16/stormy16-protos.h: Delete prototype for
6432 xstormy16_strip_name_encoding.
6434 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
6436 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
6437 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
6438 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
6439 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
6440 config/alpha/predicates.md, config/arc/arc.h,
6441 config/arm/arm.h, config/arm/ieee754-df.S,
6442 config/arm/ieee754-sf.S, config/bfin/bfin.c,
6443 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
6444 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
6445 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
6446 config/m68hc11/m68hc11.h, config/mips/mips.c,
6447 config/mips/mips.h, config/mips/openbsd.h,
6448 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
6449 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
6450 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6451 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
6452 config/sparc/linux.h, config/sparc/linux64.h,
6453 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
6454 doc/extend.texi, doc/gcov.texi, doc/install.texi,
6455 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
6456 typos. Follow spelling conventions.
6458 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
6461 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
6462 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
6463 specially. Check for side effects only for COND_EXPR.
6464 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
6465 return with TREE_NO_WARNING.
6467 2005-08-06 Richard Sandiford <richard@codesourcery.com>
6469 PR rtl-optimization/23233
6470 * loop.c (combine_movables): Require the modes to be the same.
6471 (move_movables): Remove handling of cases where the replacement
6472 had a different mode to the original.
6474 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
6476 PR tree-optimization/23128
6477 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
6478 subtraction wrap, and set TREE_OVERFLOW if they do.
6480 2005-08-05 Richard Henderson <rth@redhat.com>
6483 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
6484 FORCED_LABEL labels.
6486 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
6489 * reload.c (find_reloads_subreg_address): Pass down TYPE
6490 unchanged. Change all callers except find_reloads_toplev.
6492 2005-08-05 Michael Matz <matz@suse.de>
6494 * genattrtab.c (current_alternative_string): Remove.
6495 (SIMPLIFY_ALTERNATIVE): Ditto.
6496 (attr_alt_bit_p): Ditto.
6497 (alternative_name): Make const char *.
6498 (evaluate_eq_attr): Remove use of above things.
6499 (simplify_test_exp): Ditto.
6500 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
6501 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
6503 2005-08-04 James E Wilson <wilson@specifix.com>
6505 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
6506 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
6507 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
6508 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
6509 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
6511 2005-08-04 Richard Henderson <rth@redhat.com>
6514 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
6515 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
6516 * tree-sra.c (decide_block_copy): Use it. Disable element copy
6517 if we'd have to instantiate too many members.
6519 2005-08-04 Richard Henderson <rth@redhat.com>
6522 * tree-outof-ssa.c (coalesce_asm_operands): New.
6523 (coalesce_ssa_name): Use it. Split out ...
6524 (coalesce_phi_operands, coalesce_result_decls): ... these.
6526 2005-08-04 Paul Brook <paul@codesourcery.com>
6528 * read-rtl.c (read_quoted_string): Break if EOF.
6530 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
6532 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
6533 (fold_build2): Likewise.
6534 (fold_build3): Likewise.
6535 (fold_build1_stat): New function prototype.
6536 (fold_build2_stat): Likewise.
6537 (fold_build3_stat): Likewise.
6538 * fold-const.c (fold_build1): Rename to ..
6539 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6540 through to build1_stat.
6541 (fold_build2): Rename to ..
6542 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6543 through to build2_stat.
6544 (fold_build3): Rename to ..
6545 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6546 through to build3_stat.
6548 2005-08-04 David Edelsohn <edelsohn@gnu.org>
6549 Ian Lance Taylor <ian@airs.com>
6551 * function.c (assign_stack_local_1): Do not correct stack slot
6552 address if allocation size is smaller than mode size.
6554 2005-08-04 Diego Novillo <dnovillo@redhat.com>
6557 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
6558 (tree_merge_blocks): Propagate anything allowed by
6560 Clarify documentation.
6561 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
6562 SSA form, schedule an update if necessary.
6564 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
6566 * doc/install.texi (Binaries): Remove broken link to
6567 Sinix/Reliant Unix binaries.
6569 2005-08-03 Richard Henderson <rth@redhat.com>
6572 * function.c (stack_protect_epilogue): Export.
6573 * tree.h (stack_protect_epilogue): Declare.
6574 * calls.c (expand_call): Call it.
6576 2005-08-03 Eric Christopher <echristo@apple.com>
6578 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
6579 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
6582 2005-08-04 Jan Hubicka <jh@suse.cz>
6584 * profile.c (branch_prob): Split edges with goto locus on them
6585 to get proper line counts.
6586 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
6588 2005-08-03 Paul Brook <paul@codesourcery.com>
6590 * function.c (assign_parms): Round current_function_args_size
6591 to PARM_BOUNDARY, not STACK_BOUNDARY.
6593 2005-08-03 Geoffrey Keating <geoffk@apple.com>
6595 * config/i386/i386.c (x86_elf_aligned_common)
6596 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
6598 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
6600 PR tree-optimization/23157
6601 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
6602 before emitting them.
6604 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6606 PR tree-optimization/19899
6607 * Makefile.in (tree-scalar-evolution.o): Add real.h.
6608 * tree-scalar-evolution.c: Include real.h.
6609 (add_to_evolution): Build constant -1 of correct type.
6611 2005-08-03 Jan Hubicka <jh@suse.cz>
6613 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
6614 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
6615 profile updating for complette unrolling.
6616 * loop-unroll.c (peel_loop_completely): Use it.
6617 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
6618 (tree_unroll_loops_completely): Disable code growing unrolling of cold
6621 2005-08-03 Paul Brook <paul@codesourcery.com>
6623 * combine.c (can_change_dest_mode): New function.
6624 (try_combine, simplify_set): Use it.
6626 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
6628 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
6631 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
6633 * doc/install.texi (Specific): Adjust link to openavr.org.
6634 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
6635 (Binaries): Adjust HP-UX Porting Center link.
6636 (Binaries): Adjust Free Software Foundation ordering link.
6638 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
6640 * convert.c (convert_to_integer): Use fold_build1 instead of
6641 build1 when converting an integer to an integer.
6643 2005-08-02 Richard Henderson <rth@redhat.com>
6645 * combine.c (combine_instructions): Don't use reg_equal/equiv
6646 results if the mode doesn't match.
6648 2005-08-02 Mark Mitchell <mark@codesourcery.com>
6650 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
6651 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
6653 2005-08-02 Richard Henderson <rth@redhat.com>
6656 * explow.c (memory_address): Remove special-case for
6657 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
6659 2005-08-02 Diego Novillo <dnovillo@redhat.com>
6662 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
6663 number of calls to cleanup_tree_cfg_1.
6665 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
6667 * doc/invoke.texi: document file extensions .F90 and .F95
6669 2005-08-02 Richard Guenther <rguenther@suse.de>
6671 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
6672 positive if its first argument is positive.
6674 2005-08-02 Richard Guenther <rguenther@suse.de>
6676 PR tree-optimization/23177
6677 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
6680 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
6682 PR tree-optimization/23129
6683 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
6684 varying for divisions with anti-ranges.
6686 2005-08-02 Jan Hubicka <jh@suse.cz>
6688 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
6689 * tree-ssa-threadupdate.c (thread_block): Add it here.
6691 2005-08-01 James E Wilson <wilson@specifix.com>
6693 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
6694 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
6695 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
6697 * config/mips/predicates.md (const_call_insn_operand): Add check for
6698 SYMBOL_REF_LONG_CALL_P.
6699 * doc/extend.texi (long_call): Document the new attribute.
6701 2005-08-01 Ian Lance Taylor <ian@airs.com>
6702 Richard Henderson <rth@redhat.com>
6704 * Makefile.in (RTL_BASE_H): Add real.h.
6705 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6707 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
6709 * rtl.c (rtl_check_failed_code_mode): New.
6710 * rtl.h (struct rtx_def): Add u.rv.
6711 (XCMWINT, XCNMPRV): New.
6712 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
6713 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
6715 2005-08-01 Richard Henderson <rth@redhat.com>
6717 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
6718 with auto-inc codes.
6720 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
6722 2005-08-01 Jan Hubicka <jh@suse.cz>
6724 * i386-protos.h (asm_preferred_eh_data_format): Declare.
6725 * i386.c: Include dwarf2.h
6726 (asm_preferred_eh_data_format): New.
6727 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
6729 2005-08-01 Ian Lance Taylor <ian@airs.com>
6731 * config/host-linux.c (linux_gt_pch_get_address): Add new name
6732 randomize_va_space for virtual address randomization control.
6734 2005-08-01 Steven Bosscher <stevenb@suse.de>
6736 * common.opt (flag_ipa_cp): Put in right place to maintain
6739 2005-08-01 Jan Hubicka <jh@suse.cz>
6741 * profile.c (compute_value_histograms): Fix thinko.
6742 * value-prof.c: Include toplev.h
6743 (check_counter): New function.
6744 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
6745 tree_mod_subtract_transform): Add sanity check.
6747 2005-08-01 Richard Guenther <rguenther@suse.de>
6749 PR tree-optimization/23133
6750 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
6751 current functions parameter decls to find defs to cse
6754 2005-08-01 Richard Guenther <rguenther@suse.de>
6756 PR tree-optimization/23109
6757 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
6758 If trapping math is in effect, use post-dominator information
6759 to check if we'd in any case reach a trapping point before
6760 doing the reciprocal insertion.
6761 (execute_cse_reciprocals): Compute post-dominators, if necessary.
6762 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
6763 expressions are invariant only if trapping math is not in effect.
6765 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6767 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
6768 cgraph_function_versioning): New declarations.
6769 * cgraphunit.c: Add include to ipa-prop.h.
6770 (update_call_expr, cgraph_copy_node_for_versioning,
6771 cgraph_function_versioning): New functions.
6772 * integrate.c (copy_decl_for_inlining): Remove.
6773 * ipa-prop.h (ipa_replace_map): New struct.
6774 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
6775 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
6776 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
6777 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
6778 ipcp_iterate_stage, ipcp_method_scale_print,
6779 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
6780 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
6781 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
6782 ipcp_update_bb_counts, ipcp_update_profiling,
6783 ipcp_update_edges_counts): New functions.
6784 (ipcp_method_cval_init): Remove restriction regarding local methods.
6785 (ipcp_init_stage): Add ipcp_method_compute_scale.
6786 (ipcp_insert_stage): Add versioning.
6787 (ipcp_structures_print): Add ipcp_method_scale_print.
6788 (ipcp_driver): Dump profiling info.
6789 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
6790 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
6791 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
6792 (struct inline_data): Add versioning_p, ipa_info, new fields.
6793 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
6794 declare_return_variable): Replace calls to copy_decl_for_inlining with
6796 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
6798 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
6799 Add argument VERSIONING.
6800 (copy_arguments_for_versioning, copy_static_chain,
6801 function_versionable_p, tree_versionable_function_p,
6802 tree_function_versioning, replace_ref_tree): New functions.
6803 * tree-inline.h: Include varray.h.
6804 (tree_versionable_function_p, tree_function_versioning,
6805 tree copy_decl_for_dup): New declarations.
6807 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6809 * ipa-cp.c: New file. Contains IPCP specific functionality.
6810 * ipa-prop.h: New file. Contains structures/definitions that can be
6811 used by several interprocedural data flow optimizations (and also IPCP).
6812 * ipa-prop.c: New file.
6813 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
6814 * common.opt: Add ipa-cp flag.
6815 * timevar.def: Add IPCP optimization.
6816 * tree-optimize.c (init_tree_optimization_passes): Schedule
6818 * tree-pass.h (pass_ipa_cp): Declare.
6820 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
6822 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
6823 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
6824 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
6825 config/i386/i386.c, config/mips/mips.h,
6826 config/rs6000/rs6000.h, config/sh/sh.c,
6827 config/stormy16/stormy16.c: Fix comment typos.
6829 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
6832 * c-typeck.c (build_binary_op): Use common_type wrapper on
6834 (common_type): Update comment.
6836 2005-07-31 Steven Bosscher <stevenb@suse.de>
6839 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
6840 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
6841 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
6843 2005-07-31 Jan Hubicka <jh@suse.cz>
6845 * pretty-print.h (pp_widest_integer): New macro.
6846 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
6849 2005-07-31 Jan Hubicka <jh@suse.cz>
6851 * output.h (enum section_category): Export from varasm.c
6852 (categorize_decl_for_section): Likewise.
6853 * varasm.c (enum section_category): Kill.
6854 (categorize_decl_for_section): Make global.
6855 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
6857 * i386.c (ix86_section_threshold): New static variable.
6858 (ix86_in_large_data_p, ix86_encode_section_info,
6859 x86_64_elf_unique_section,
6860 x86_64_elf_select_section): New functions.
6861 (TARGET_ENCODE_SECTION_INFO): Define
6862 (override_options): Enable medium model for PIC.
6863 (ix86_expand_prologue): Expand gen_set_got_rex64.
6864 (legitimate_constant_p): Handle new UNSPECs.
6865 (legitimate_pic_address_disp_p): Likewise.
6866 (legitimize_pic_address): Lower MEDIUM model addressing.
6867 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
6868 (enum cmodel): Add MEDIUM_PIC.
6869 (SYMBOL_REF_FAR_ADDR_P): New macro.
6870 (SYMBOL_FLAG_FAR_ADDR): New flag.
6871 * i386.md (movdi): Support medium model.
6872 (set_got_rex64): New pattern.
6873 * i386.opt (mlarge-data-threshold): New flag.
6874 * predicates.md (zext_operand/sext_operand): Deal with medium model.
6875 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
6876 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
6877 TARGET_ASM_UNIQUE_SECTION): New.
6879 * invoke.texi (-mlarge_data_threshold): Document
6881 2005-07-31 Jan Hubicka <jh@suse.cz>
6883 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
6884 (coalesce_vars): Likewise.
6885 * tree-ssa-live.c (coalesce_cost): New.
6886 (build_tree_conflict_graph): Use coalesce_cost.
6887 * tree-ssa-live.h (coalesce_cost): Declare.
6889 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
6891 * arm.md (all peepholes for post-increment operations): Delete.
6892 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
6893 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
6894 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
6895 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
6896 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
6898 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
6900 * fold-const.c (tree_expr_nonnegative_p): Always return true for
6903 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
6906 * doc/invoke.texi: Document -rdynamic.
6908 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
6911 * c-parser.c (c_parser_parms_list_declarator): Call
6912 mark_forward_parm_decls.
6913 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
6914 decls with visibility structure.
6916 2005-07-30 Paul Brook <paul@codesourcery.com>
6918 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
6920 2005-07-30 Paul Brook <paul@codesourcery.com>
6922 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
6924 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
6926 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
6928 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6931 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
6932 nested function declarators.
6933 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
6934 (grokparms): Call warn_if_shadowing for parameters used within the
6936 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
6937 not used within the parameter list.
6938 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
6940 2005-07-30 Jan Hubicka <jh@suse.cz>
6942 * expr.c (expand_expr_real_1): Do not load mem targets into register.
6943 * i386.c (ix86_fixup_binary_operands): Likewise.
6944 (ix86_expand_unary_operator): Likewise.
6945 (ix86_expand_fp_absneg_operator): Likewise.
6946 * optabs.c (expand_vec_cond_expr): Validate dest.
6948 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
6951 * real.c (real_from_string): Also set last bit if there is a
6952 nonzero hex digit beyond GCC's internal precision after ".".
6954 2005-07-29 David Edelsohn <edelsohn@gnu.org>
6956 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
6957 define_constants. Change duplicate values to unassigned numbers.
6958 Change UNSPEC_SUBS to UNSPEC_VSUBS.
6959 (*altivec_vspltsf): New.
6960 (altivec_vperm_v4sf): Delete.
6961 (altivec_vperm_<mode>): Use mode macro V.
6962 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
6963 (altivec_predicate_v4sf): Delete.
6964 (altivec_predicate_<mode>): Use mode macro V.
6965 (*altivec_lvesfx): New.
6966 (*altivec_stvesfx): New.
6967 (vec_realign_load_v4sf): Delete.
6968 (vec_realign_load_<mode>): Use mode macro V.
6969 * config/rs6000/rs6000.c (generate_set_vrsave): Use
6972 2005-07-29 Mark Mitchell <mark@codesourcery.com>
6975 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
6977 * configure: Regenerated.
6979 2005-07-29 Paul Brook <paul@codesourcery.com>
6981 * doc/install.texi: Add link to GFortran binaries wiki page.
6983 2005-07-29 David Ung <davidu@mips.com>
6985 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
6986 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
6987 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
6988 * config/mips/mips.md (cpu): Add 5kf name.
6989 (includes): Includes 5k.md.
6990 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
6991 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
6994 2005-07-29 Diego Novillo <dnovillo@redhat.com>
6997 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
6998 (cleanup_tree_cfg): ... here.
6999 Call cleanup_tree_cfg_1 until there are no more cleanups to
7002 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
7004 * tree-vrp.c (compare_range_with_value): Return true or false
7005 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
7006 EQ_EXPR respectively.
7008 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
7010 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
7013 2005-07-29 Diego Novillo <dnovillo@redhat.com>
7015 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
7016 (tree_ssa_dominator_optimize): Increment it.
7017 (dump_dominator_optimization_stats): Print it.
7019 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
7020 Steven Bosscher <stevenb@suse.de>
7022 PR rtl-optimization/23117
7023 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
7024 when head == tail. Tidy comment.
7026 2005-07-28 Richard Henderson <rth@redhat.com>
7028 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
7029 * cselib.c (rtx_equal_for_cselib_p): Likewise.
7030 * jump.c (rtx_renumbered_equal_p): Likewise.
7031 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
7032 CONST_INT and CONST_DOUBLE.
7033 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
7034 * reload.c (operands_match_p): Special case CONST_INT and
7035 CONST_DOUBLE; check mode earlier.
7037 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7040 * c-typeck.c (convert_for_assignment): Do not check
7041 DECL_IN_SYSTEM_HEADER on NULL fundecl.
7043 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7046 * c-typeck.c (composite_type): Prefer constant size arrays to
7049 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7052 * real.c (real_from_string): Set last bit if there is a nonzero
7053 hex digit beyond GCC's internal precision.
7055 2005-07-28 Richard Henderson <rth@redhat.com>
7058 * cfgcleanup.c (try_forward_edges): Watch out for end of
7061 2005-07-28 James E Wilson <wilson@specifixinc.com>
7064 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
7066 2005-07-28 Jan Hubicka <jh@suse.cz>
7068 * Makefile.in (rtl-profile.o): Kill all traces of it.
7069 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
7070 * coverage.h (rtl_coverage_counter_ref): Kill.
7071 * opts.c (flag_speculative_prefetching_set): Kill.
7072 (flag_loop_optimize_set): New.
7073 (common_handle_option): Disable loop optimizer when profiling;
7074 do not handle speculative prefetching.
7075 * passes.c (init_optimization_passes): Replace pass_profiling combo
7076 by branch_prob pass.
7077 * profile.c (compute_value_histograms): Update for simplified value
7079 (rtl_register_profile_hooks): Kill.
7080 (pass_profiling): Kill.
7081 (rest_of_handle_branch_prob): Do not profile.
7082 * toplev.c (process_options): Remove speculative prefetching.
7083 * toplev.h (flag_tree_based_profiling): Kill.
7084 * tree-profile.c (prepare_instrumented_value,
7085 tree_gen_interval_profiler, tree_gen_pow2_profiler,
7086 tree_gen_one_value_profiler, do_tree_profiling): Update for
7087 simplified datastructures.
7088 * value-prof.c: Add comment that speculative prefetching was dropped;
7089 update rest of file for simplified datastructures.
7090 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
7091 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
7092 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
7093 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
7094 rtl_mod_subtract, gen_speculative_prefetch,
7095 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
7096 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
7097 (gate_handle_value_profile_transformations,
7098 rest_of_handle_value_profile_transformations,
7099 pass_value_profile_transformations): Kill.
7100 * value-prof.h (histogram_value_t): Remove IL based unions.
7101 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
7102 rtl_profile_hooks): Remove hooks.
7104 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
7106 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
7107 (cgraph_clone_node): Likewise.
7108 * cgraph.h (cgraph_clone_edge): Update prototype.
7109 (cgraph_clone_node): Likewise.
7110 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
7112 (lookup_recursive_calls): Consider profile.
7113 (cgraph_decide_recursive_inlining): Fix updating; use new
7114 probability argument; use profile.
7115 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
7116 * tree-inline.c (copy_bb): Update clal of clone_edge.
7117 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
7119 * invoke.texi (min-inline-recursive-probability): Document.
7121 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
7123 * doc/install.texi (Configuration): Update Valgrind homepage.
7125 2005-07-28 Richard Henderson <rth@redhat.com>
7128 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
7129 labels we want to delete.
7130 (cfg_layout_merge_blocks): Likewise.
7132 2005-07-28 Richard Henderson <rth@redhat.com>
7135 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
7136 when expanding to nothing.
7138 2005-07-28 Josh Conner <jconner@apple.com>
7140 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
7141 (cgraph_decide_inlining_of_small_functions): Likewise.
7143 2005-07-28 Josh Conner <jconner@apple.com>
7145 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
7146 direction of badness if negative.
7147 (cgraph_default_inline_p): Add reason to parameters, and assign it
7149 (cgraph_decide_inlining_of_small_functions): New parameter in call
7150 to cgraph_default_inline_p.
7151 (cgraph_decide_inlining_incrementally): Likewise.
7152 * cgraphunit.c (decide_is_function_needed): Likewise.
7153 * cgraph.h (cgraph_default_inline_p): Likewise.
7155 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7157 * builtins.c: Fix comment typo(s).
7158 * genautomata.c: Likewise.
7159 * gimplify.c: Likewise.
7160 * tree-dfa.c: Likewise.
7161 * tree-flow-inline.h: Likewise.
7162 * tree-into-ssa.c: Likewise.
7163 * tree-ssa-alias.c: Likewise.
7164 * tree-ssa-ccp.c: Likewise.
7165 * tree-ssa-copy.c: Likewise.
7166 * tree-ssa-dce.c: Likewise.
7167 * tree-ssa-dom.c: Likewise.
7168 * tree-ssa-operands.c: Likewise.
7169 * tree-tailcall.c: Likewise.
7170 * tree-vectorizer.c: Likewise.
7171 * tree-vrp.c: Likewise.
7174 2005-07-28 Jeff Law <law@redhat.com>
7176 * tree-vrp.c (test_for_singularity): Extracted from ...
7177 (simplify_cond_using_ranges): Attempt to simplify a relational
7178 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
7180 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
7182 PR tree-optimization/22506
7183 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
7184 phis whose argument is constant.
7186 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
7188 PR rtl-optimization/18992
7189 Back out this patch:
7190 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7191 PR optimization/12142
7192 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
7193 uses of the register in the SET_SRC. Remove unnecessary argument.
7195 Replace it with this:
7196 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
7197 if flag_non_call_exceptions is set and the insn may trap, pass
7198 pc_rtx as dest for recursion.
7199 In SET_SRC part of SET case, if dest is already set, pass it down
7202 2005-07-28 Jan Hubicka <jh@suse.cz>
7204 * cfg.c (update_bb_profile_for_threading): Use RDIV.
7205 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
7206 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
7208 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
7209 profile when available.
7211 2005-07-28 Jan Beulich <jbeulich@novell.com>
7213 * config/ia64/ia64.c (ia64_load_pair_ok): New.
7214 (ia64_print_operand): Describe and handle 'X'.
7215 (ia64_register_move_cost): Also handle FP_REGS.
7216 (ia64_preferred_reload_class): Likewise.
7217 (ia64_secondary_reload_class): Likewise.
7218 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
7219 it. Also check for ITANIUM_CLASS_FLDP.
7220 * config/ia64/ia64.h (FP_REGNO_P): New.
7221 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
7222 (reg_class): Add FP_REGS.
7223 (REG_CLASS_NAMES): Adjust for it.
7224 (REG_CLASS_CONTENTS): Likewise.
7225 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
7226 (REG_CLASS_FROM_LETTER): Handle 'x'.
7227 (CLASS_MAX_NREGS): Handle FP_REGS.
7228 (MEMORY_MOVE_COST): Likewise.
7229 * config/ia64/ia64.md (itanium_class): Add fldp.
7230 (type): Handle fldp.
7231 (movti_internal): More allowable operand combinations. Use ldfp8 when
7232 splitting unnecessary. Remove predicable attribute. Adjust
7233 itanium_class attribute.
7234 (smuldi3_highpart): Remove outdated comment.
7235 (mulditi3, umulditi3, rotlti3): New expanders.
7236 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
7237 (absti2): Disabled new insn for future reference.
7238 Respective new splitters.
7239 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
7240 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
7241 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
7243 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
7245 PR rtl-optimization/23047
7246 * simplify-rtx.c (simplify_const_relational_operation): Respect
7247 flag_wrapv for comparisons with ABS.
7249 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
7251 PR tree-optimization/22493
7252 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
7253 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
7255 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
7257 * config/frv/frv.opt (moptimize-membar): New.
7259 * doc/invoke.texi: Document -moptimize-membar and its inverse.
7261 * config/frv/frv.h: Remove machine_function definition.
7263 * config/frv/frv.c (struct frv_io): New.
7264 (struct machine_function): Moved from frv.h. Add has_membar_p.
7265 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
7266 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
7267 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
7268 (frv_optimize_membar_global, frv_optimize_membar): New functions.
7269 (frv_reorg): Call frv_optimize_membar when appropriate.
7270 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
7271 (frv_expand_builtin): Adjust calls accordingly.
7272 (frv_io_address_cookie): New function.
7273 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
7274 load or store rather than a special insn. Add ccnstant address and
7275 io-type operands to the membar.
7276 (frv_ifcvt_modify_tests): Unsign regno.
7277 (frv_ifcvt_modify_tests): Same.
7279 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
7280 UNSPEC_OPTIONAL_MEMBAR constant.
7281 (builtin_read_<mode>): Delete.
7282 (builtin_write_<mode>): Delete.
7283 ("optional_membar_<mode>"): Add operand.
7285 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
7286 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
7287 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
7288 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
7289 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
7290 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
7291 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
7292 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
7293 * testsuite/gcc.target/frv/all-read-write-1.c: New.
7295 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
7297 * df.c (df_uses_record): Handle SCRATCH.
7299 2005-07-28 Steven Bosscher <stevenb@suse.de>
7302 * passes.c (rest_of_decl_compilation): If decl is a type and
7303 we have encountered errors, don't emit debug information.
7305 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7307 * params.def: Fixed comment.
7309 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
7312 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
7313 (TARGET_ASM_UNALIGNED_HI_OP): Add.
7314 (TARGET_ASM_UNALIGNED_SI_OP): Add.
7316 2005-07-27 Steven Bosscher <stevenb@suse.de>
7319 * varasm.c (assemble_start_function): Don't do anything that may
7320 require a CFG if the current function is a thunk.
7322 2005-07-25 Geoffrey Keating <geoffk@apple.com>
7324 * doc/install.texi (Prerequisites): Mention that perl is needed
7325 to do export control in libstdc++ targetting Darwin.
7327 2005-07-27 Steven Bosscher <stevenb@suse.de>
7329 PR rtl-optimization/17808
7330 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
7331 (sched_insns_conditions_mutex_p): Split out from...
7332 (add_dependence): ...here. But don't call it from here.
7333 (add_dependence_list): Check sched_insns_conditions_mutex_p
7334 before calling add_dependence.
7335 (add_dependence_list_and_free): Likewise.
7336 (fixup_sched_groups): Likewise.
7337 (sched_analyze_1): Likewise.
7338 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
7339 (sched_analyze): Likewise.
7340 (sched_analyze_insn): Likewise.
7341 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
7342 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
7343 dependencies on all COND_EXEC insns to jumps ending basic blocks
7344 when doing intrablock scheduling.
7345 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
7347 2005-07-27 Jeff Law <law@redhat.com>
7349 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
7350 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
7351 equivalency sets, correctly handle the case were vr0 has an
7352 equivalency set, but vr1 does not.
7354 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
7356 PR tree-optimization/23073
7357 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
7358 vect_print_dump_info before fprintf.
7360 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7362 PR tree-optimize/22348
7363 * tree-ssa-loop-niter.c (number_of_iterations_cond):
7364 Fold the partial computation.
7366 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7368 PR tree-optimization/22325
7369 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
7371 * tree-scalar-evolution.c (scev_const_prop): Add generic final
7373 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
7374 (force_var_cost): ... this function.
7375 (compute_phi_arg_on_exit): Export.
7377 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7379 PR tree-optimization/20773
7380 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
7383 2005-07-27 Richard Guenther <rguenther@suse.de>
7385 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
7386 Avoid pushing again if current struct contains only
7387 fields we decomposed.
7389 2005-07-27 Jan Hubicka <jh@suse.cz>
7391 PR tree-optimization/22574
7392 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
7395 * tree-tailcall.c (decrease_profile): New function.
7396 (eliminate_tail_call): Use it.
7398 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
7399 visibility flags correctly in whole program mode.
7401 2005-07-26 Steve Ellcey <sje@cup.hp.com>
7403 PR rtl-optimization/22472
7404 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
7406 2005-07-26 Steven Bosscher <stevenb@suse.de>
7408 PR tree-optimization/22504
7409 * tree-complex.c (expand_complex_addition): Use 'code' instead
7410 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
7412 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7414 * config.gcc (cpu_type): Add frv case.
7415 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
7416 (supported_defaults): Add fr550 case.
7418 2005-07-26 Diego Novillo <dnovillo@redhat.com>
7421 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
7422 whether a pointer of type T * may point to objects of type T *.
7424 2005-07-26 DJ Delorie <dj@redhat.com>
7426 * configure: Regenerate.
7428 2005-07-26 Dale Johannesen <dalej@apple.com>
7430 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
7432 2005-07-26 Mark Mitchell <mark@codesourcery.com>
7434 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
7435 Clarify use of "build" in name.
7437 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7439 * doc/extend.texi (Raw read/write Functions): New section.
7440 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
7441 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
7442 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
7443 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
7444 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
7445 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
7446 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
7447 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
7448 * config/frv/frv.c: Add bdesc_loads global.
7449 Add bdesc_stores global.
7450 (frv_init_builtins): Add support for __builtin_{read/write}*.
7451 (frv_volatile_memref): New.
7452 (frv_expand_load_builtin): New.
7453 (frv_expand_store_builtin): New.
7454 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
7455 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
7456 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
7457 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
7458 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
7459 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
7460 (builtin_read_<mode>): New.
7461 (builtin_write_<mode>): New.
7462 (builtin_write64): New.
7463 (optional_membar_<mode>): New.
7465 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
7467 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
7468 (rather than units) against HOST_BITS_PER_WIDE_INT.
7470 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
7472 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
7473 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
7474 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
7475 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
7478 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
7479 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
7480 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
7482 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
7484 2005-07-26 Richard Guenther <rguenther@suse.de>
7486 PR tree-optimization/22486
7487 * fold-const.c (fold_unary): Fold away useless component
7488 references of the form (T *)&T.x, if the address
7491 2005-07-25 James E Wilson <wilson@specifixinc.com>
7493 * dwarf2out.c (add_call_src_coords_attributes): New.
7494 (gen_inlined_subroutine_die): Call it.
7495 (maybe_emit_file, init_file_table): Add comments.
7496 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
7498 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
7499 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
7500 * tree.h (BLOCK_SOURCE_LOCATION): New.
7501 (struct tree_block): New field locus.
7503 2005-07-26 Andreas Schwab <schwab@suse.de>
7505 PR rtl-optimization/23043
7506 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
7507 when allocating a struct unoccr.
7509 2005-07-25 Richard Henderson <rth@redhat.com>
7512 * tree-complex.c (gate_no_optimization): True if errors.
7513 * Makefile.in (tree-complex.o): Update dependencies.
7515 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
7517 * config/frv/predicates.md (integer_register_operand): Use
7520 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7523 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
7525 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
7527 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7529 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
7530 types when flag_unsafe_math_optimizations is true.
7532 2005-07-25 Mark Mitchell <mark@codesourcery.com>
7534 * gcc.c (option_map): Add --sysroot.
7535 (process_command): Handle --sysroot.
7536 (display_help): Document it.
7537 * doc/cppopts.tex (-isysroot): Document.
7538 * doc/invoke.texi (--sysroot): Document.
7539 * doc/install.texi (--with-build-sysroot): Document.
7541 * Makefile.in (inhibit_libc): New variable.
7542 (INHIBIT_LIBC_CFLAGS): Likewise.
7543 (LIBGCC2_CFLAGS): Include
7544 $(INHIBIT_LIBC_CFLAGS).
7545 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
7546 ($(T)crtbegin.o): Do not use @inhibit_libc@.
7547 ($(T)crtend.o): Likewise.
7548 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
7549 ($(T)crtendS.o): Likewise.
7550 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
7551 ($(T)crtendT.o): Likewise.
7552 (stmp-fixinc): Do not complain about missing headers if
7554 * configure.ac (inhibit_libc): Set it to true/false.
7555 (--with-build-sysroot): New option. Use it to set
7557 * configure: Regenerated.
7559 2005-07-25 Manfred Hollstein <mh@suse.com>
7561 * calls.c (store_one_arg): Fix unsigned comparison warning.
7563 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
7566 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
7567 (ggc_print_statistics): Initialize variable before use.
7569 2005-07-25 Richard Guenther <rguenther@suse.de>
7571 * tree-dfa.c (mark_new_vars_to_rename): Protect against
7572 calling with a PHI_NODE argument.
7574 * tree-flow-inline.h (overlap_subvar): Protect against
7577 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
7579 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
7580 * configure: Regenerate.
7582 2005-07-25 Ira Rosen <irar@il.ibm.com>
7584 * expr.c (highest_pow2_factor): Make extern.
7585 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
7586 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7587 record_array_differ_p, array_ptr_differ_p): Likewise.
7588 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
7589 additional cases. Call the above functions.
7590 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
7591 base_object_differ_p when there are two base objects. Otherwise, compare
7592 base address and offset. Call may_alias_p.
7593 (dump_data_reference): Use a correct field name.
7594 (analyze_array): Make static. Initialize new data-ref fields.
7595 (analyze_indirect_ref): New function.
7596 (init_data_ref): Initialize new data-ref fields.
7597 (strip_conversion): Moved from tree-vect-analyze.c.
7598 (analyze_offset_expr, get_ptr_offset, address_analysis,
7599 object_analysis): Likewise.
7600 (analyze_offset): New function.
7601 (create_data_ref): Likewise.
7602 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
7603 dimensions for ARRAY_REFs only.
7604 (build_classic_dist_vector): Make static.
7605 (access_functions_are_affine_or_constant_p): Call macro to get the
7606 address of access functions.
7607 (compute_all_dependences): Add new parameter
7608 compute_self_and_read_read_dependences. Compute self and read-read
7609 dependences if it is true.
7610 (find_data_references_in_loop): Call create_data_ref. Initialize new
7612 (compute_data_dependences_for_loop): Add new parameter
7613 compute_self_and_read_read_dependences. Remove parameter nb_loops,
7614 compute nb_loops. Call compute_all_dependences,
7615 build_classic_dist_vector and build_classic_dir_vector with correct
7617 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
7618 with correct parameters. Compare dimensions for ARRAY_REFs only.
7619 (free_data_refs): Call macro to free access functions.
7620 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
7621 fields from stmt_vinfo.
7622 (struct base_object_info): New structure.
7623 (struct data_reference): Move fields to base_object_info. Add fields
7624 first_location and object_info for above structures. Move fields from
7625 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
7626 aligned_to. Add macros to access the new fields.
7627 Update functions declarations.
7628 * tree-flow.h (is_aliased_with): Declare.
7629 * tree-loop-linear.c (linear_transform_loops): Call
7630 compute_data_dependences_for_loop with correct parameters.
7631 * tree-ssa-alias.c (is_aliased_with): New function.
7632 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
7633 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
7634 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
7635 vect_base_addr_differ_p, compute_subscript_distance and
7636 build_classic_dist_vector. Add printings. Check absolute value of
7638 (vect_analyze_data_ref_dependences): Go through ddrs instead of
7640 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
7641 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
7642 to bytes. Add printing.
7643 (vect_compute_data_refs_alignment): Go through loads and stores in one
7645 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
7646 vect_analyze_data_ref_access): Likewise.
7647 (vect_analyze_pointer_ref_access): Remove.
7648 (vect_address_analysis, vect_object_analysis): Likewise.
7649 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
7650 and analyze data-refs in the loop.
7651 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
7652 fields of data-ref instead of stmt. Add init to the offset from the
7654 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
7655 (vect_update_init_of_dr): Likewise.
7656 (vect_update_inits_of_drs): Go through loads and stores in one loop.
7657 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
7659 (new_loop_vec_info): Initialize new fields.
7660 (destroy_loop_vec_info): Free new fields.
7661 (vect_strip_conversion): Remove.
7662 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
7663 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7664 datarefs. Add new field ddrs.
7665 Add macros for the new fields access.
7666 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
7667 base_aligned_p, misalignment, memtag, ptr_info and subvars.
7668 Remove their macros.
7669 * tree.h (highest_pow2_factor): Declare.
7671 2005-07-25 Jakub Jelinek <jakub@redhat.com>
7673 * calls.c (store_one_arg): Check for sibling call MEM arguments
7674 from already clobbered incoming argument area.
7676 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7678 * c-common.c (check_missing_format_attribute): New.
7679 * c-common.h (check_missing_format_attribute): Likewise.
7680 * c-typeck.c (convert_for_assignment): Use it.
7682 2005-07-24 Andreas Schwab <schwab@suse.de>
7684 * config/m68k/m68k.md ("extendqidi2"): When source is an address
7685 register use a word move. Correct operand of ext.w in 68000 code.
7687 2005-07-23 Mark Mitchell <mark@codesourcery.com>
7689 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
7690 variables as declarations, rather than definitions.
7692 2005-07-24 Ira Rosen <irar@il.ibm.com>
7694 PR tree-optimization/22526
7695 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
7698 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7700 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
7701 that C99 reserve for future use. Use it to define clog10,
7702 clog10f and clog10l.
7704 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7706 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
7707 * configure.ac: Check for -Wmissing-format-attribute.
7709 * configure: Regenerate.
7711 2005-07-23 Richard Henderson <rth@redhat.com>
7713 PR tree-optimization/22623
7714 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
7716 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
7719 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
7721 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7723 * Makefile.in (C_TREE_H): Update dependencies.
7724 * c-tree.h: Include toplev.h.
7725 * diagnostic.h (diagnostic_set_info): Add format attribute.
7726 * rtl-error.c (diagnostic_for_asm): Likewise.
7728 2005-07-23 Chao-ying Fu <fu@mips.com>
7730 * config/mips/mips-dsp.md: New file.
7731 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
7732 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
7734 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
7735 MIPS_BUILTIN_BPOSGE32.
7736 (mips_expand_builtin_direct): Add one parameter to indicate that
7737 builtin functions need to return a value.
7738 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
7740 (mips_regno_to_class): Add classes for 12 new DSP registers.
7741 (mips_subword): Change to check four HI registers.
7742 (mips_output_move): Output move to and from 6 new DSP accumulators.
7743 (override_options): Make sure -mdsp and -mips16 are not used together.
7744 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
7746 (mips_conditional_register_usage): Disable 6 new DSP accumulators
7748 (print_operand): Add 'q' for printing DSP accumulators.
7749 (mips_cannot_change_mode_class): Check ACC_REGS.
7750 (mips_secondary_reload_class): Check ACC_REGS.
7751 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
7752 (mips_register_move_cost): Check ACC_REGS.
7753 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
7754 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
7755 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
7756 (dsp_bdesc): New array.
7757 (bdesc_arrays): Add DSP builtin function table.
7758 (mips_prepare_builtin_arg): Check predicate again after
7760 (mips_expand_builtin): Add one more parameter to
7761 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
7762 MIPS_BUILTIN_BPOSGE32.
7763 (mips_init_builtins): Initialize new function types.
7764 (mips_expand_builtin_direct): Check if builtin functions need to
7765 return a value and pass operands properly.
7766 (mips_expand_builtin_bposge): New function.
7767 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
7768 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
7769 (FIRST_PSEUDO_REGISTER): Increase to 188.
7770 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
7771 Update for 12 new DSP registers.
7772 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
7773 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
7774 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
7775 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
7776 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
7777 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
7778 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
7779 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
7780 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
7781 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
7782 (REGISTER_NAMES): Add names for 12 new DSP registers.
7783 * config/mips/mips.md: Include mips-dsp.md.
7784 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
7785 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
7786 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
7787 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
7788 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
7789 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
7790 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
7791 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
7792 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
7793 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
7794 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
7795 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
7796 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
7797 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
7798 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
7799 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
7800 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
7801 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
7802 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
7803 (UNSPEC_RDDSP): New constants.
7804 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
7805 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
7807 * config/mips/mips.opt (-mdsp): New option.
7808 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
7809 (reg_imm10_operand): New predicates.
7810 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
7811 * doc/invoke.texi (-mdsp): Document new option.
7813 2005-07-22 DJ Delorie <dj@redhat.com>
7815 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
7817 * tree-inline.c (inlinable_function_p): Likewise.
7819 2005-07-22 Mark Mitchell <mark@codesourcery.com>
7822 * toplev.c (check_global_declarations): Do not mark undefined
7823 variables as DECL_IGNORED_P.
7824 * varasm.c (first_global_object_name): GTY it.
7825 (weak_global_object_name): Likewise.
7826 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
7827 a string to go into {weak,first}_global_object_name.
7829 2005-07-22 DJ Delorie <dj@redhat.com>
7831 * c-format.c (check_function_format): Change warning control
7832 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
7834 2005-07-22 Diego Novillo <dnovillo@redhat.com>
7836 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
7837 &PTR->FLD a dereference of PTR.
7838 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
7839 a potential dereference of PTR.
7841 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
7843 PR rtl-optimization/20370
7844 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
7845 call allocate_reg_info if necessary.
7847 PR rtl-optimization/21848
7848 * calls.c (emit_library_call_value_1): For const functions, add
7849 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
7851 PR rtl-optimization/22445
7852 * cselib.c (target.h): Include.
7853 (rtx_equal_for_cselib_p): Allow commutative matches.
7854 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
7855 Remove MODE parameter. Changed all callers.
7857 PR rtl-optimization/22258
7858 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
7860 (try_combine): Use likely_spilled_retval_p.
7862 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
7864 * config.gcc: Add crx-elf support.
7866 * doc/contrib.texi: Mention crx.
7867 * doc/extend.texi: Document crx extensions.
7868 * doc/install.texi: Document crx install.
7869 * doc/invoke.texi: Document crx options.
7870 * doc/md.texi: Document crx constraints.
7872 * config/crx/crx-protos.h: New file.
7873 * config/crx/crx.c: New file.
7874 * config/crx/crx.h: New file.
7875 * config/crx/crx.md: New file.
7876 * config/crx/crx.opt: New file.
7877 * config/crx/t-crx: New file.
7879 2005-07-22 Manfred Hollstein <mh@suse.com>
7881 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
7883 (int_add_graph_edge): Likewise.
7884 (collapse_nodes): Likewise.
7885 (process_unification_queue): Likewise.
7887 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7888 Laurent GUERBY <laurent@guerby.net>
7890 PR tree-optimization/22336
7891 * function.c (record_block_change): Check for
7892 cfun->ib_boundaries_block.
7894 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
7896 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
7897 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
7899 2005-07-21 DJ Delorie <dj@redhat.com>
7901 * toplev.c (warn_deprecated_use): Add warning control to warning
7903 * c-typeck.c (parser_build_binary_op): Likewise.
7904 (c_finish_if_stmt): Likewise.
7905 * c-common.c (check_function_sentinel): Likewise.
7906 (check_nonnull_arg): Likewise.
7908 2005-07-21 Richard Henderson <rth@redhat.com>
7911 * tree-complex.c (complex_ssa_name_components): New.
7912 (cvc_lookup): Allow entry not found.
7913 (create_components): Remove.
7914 (create_one_component_var, get_component_var): New.
7915 (get_component_ssa_name, set_component_ssa_name): New.
7916 (extract_component): Use get_component_ssa_name.
7917 (update_complex_components): Use set_component_ssa_name.
7918 (update_complex_components_on_edge): Likewise.
7919 (update_phi_components): Create new PHI nodes directly, instead
7920 of adding insns to edges.
7921 (tree_lower_complex): Allocate and free complex_variable_components
7922 and complex_ssa_name_components here.
7924 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
7926 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
7927 revert to returning false.
7929 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7932 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
7934 2005-07-21 Uros Bizjak <uros@kss-loka.si>
7937 * config/i386/i386.md (cmpxf): Change operand constraints
7938 to "nonmemory_operand".
7940 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7942 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
7944 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7947 * fold-const.c (fold_build1): Add checksum for the operands.
7948 (fold_build2): Likewise.
7949 (fold_build3): Likewise.
7951 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
7954 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
7956 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7958 * common.opt (-fforward-propagate): Committed by mistake,
7961 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7963 * reg-stack.c: Fix comment typo(s).
7964 * tree-ssa-operands.c: Likewise.
7965 * tree-vectorizer: Likewise.
7967 2005-07-21 Nick Clifton <nickc@redhat.com>
7969 * config/sh/symbian.c: Replace C++ style line comments with C
7970 style line comments.
7971 (symbian_add_attribute): Do not use a ? operator on the LHS of
7973 (sh_symbian_handle_dll_attribute): Change the type of the
7974 method vector to "VEC(tree,gc)*" and use vector accessor
7975 macros to walk over the elements.
7976 (symbian_export_vtable_and_rtti_p): Likewise.
7977 (symbian_class_needs_attribute_p): Likewise.
7979 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7982 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
7983 initialize targetm.resolve_overloaded_builtin here.
7984 (altivec_expand_overloaded_builtin): Make it non-static.
7985 * config/rs6000/rs6000-protos.h
7986 (altivec_expand_overloaded_builtin): New prototype.
7987 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
7988 targetm.resolve_overloaded_builtin here.
7989 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
7991 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
7992 Zdenek Dvorak <dvorakz@suse.cz>
7994 PR tree-optimization/19210
7995 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
7997 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
7998 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
7999 rely on unproven assumptions.
8000 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
8001 * tree-flow.h (number_of_iterations_exit): Add final parameter.
8002 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
8003 to number_of_iterations_exit.
8004 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
8005 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
8006 * tree-ssa-loop-niter.c (find_loop_niter,
8007 estimate_numbers_of_iterations_loop): Likewise.
8008 (number_of_iterations_exit): Honor the new options.
8009 * doc/invoke.texi (Wunsafe-loop-optimizations,
8010 funsafe-loop-optimizations): Document them.
8012 2005-07-21 Richard Sandiford <richard@codesourcery.com>
8014 PR rtl-optimization/22167
8015 * gcse.c (hoist_code): Fix hoist_exprs[] check.
8017 2005-07-20 Adam Nemet <anemet@lnxw.com>
8019 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
8020 __do_global_dtors_aux longcall.
8022 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
8024 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
8025 (old_special_pred_table): Don't reference
8026 SPECIAL_MODE_PREDICATES.
8027 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
8028 * config/arc/arc.h: Don't mention PREDICATE_CODES.
8029 * config/sh/predicates.h: Don't mention
8030 SPECIAL_MODE_PREDICATES.
8031 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
8034 2005-07-20 DJ Delorie <dj@redhat.com>
8036 * config.gcc: Add m32c-elf support.
8038 * doc/contrib.texi: Mention m32c.
8039 * doc/extend.texi: Document m32c extensions.
8040 * doc/install.texi: Mention m32c.
8041 * doc/invoke.texi: Document m32c options.
8042 * doc/md.texi: Document m32c constraints.
8044 * config/m32c/addsub.md: New file.
8045 * config/m32c/bitops.md: New file.
8046 * config/m32c/cond.md: New file.
8047 * config/m32c/jump.md: New file.
8048 * config/m32c/m32c-lib1.S: New file.
8049 * config/m32c/m32c-lib2.c: New file.
8050 * config/m32c/m32c-modes.def: New file.
8051 * config/m32c/m32c-pragma.c: New file.
8052 * config/m32c/m32c-protos.h: New file.
8053 * config/m32c/m32c.abi: New file.
8054 * config/m32c/m32c.c: New file.
8055 * config/m32c/m32c.h: New file.
8056 * config/m32c/m32c.md: New file.
8057 * config/m32c/m32c.opt: New file.
8058 * config/m32c/minmax.md: New file.
8059 * config/m32c/mov.md: New file.
8060 * config/m32c/muldiv.md: New file.
8061 * config/m32c/predicates.md: New file.
8062 * config/m32c/prologue.md: New file.
8063 * config/m32c/shift.md: New file.
8064 * config/m32c/t-m32c: New file.
8066 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
8068 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8069 (stack_protect_set, stack_protect_test): New expanders.
8070 (stack_protect_set_si, stack_protect_set_si_media,
8071 stack_protect_set_di_media, stack_protect_test_si,
8072 stack_protect_test_si_media, stack_protect_test_di_media):
8075 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
8077 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
8079 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
8081 * tree.h (tree_expr_nonzero_p): Export.
8082 * fold-const.c (tree_expr_nonzero_p): Likewise.
8083 Return true for CALL_EXPRs that are alloca calls.
8084 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
8086 * tree-flow.h (expr_computes_nonzero): Remove.
8087 * tree-vrp.c (expr_computes_nonzero): Remove.
8088 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
8089 (extract_range_from_unary_expr): Likewise.
8090 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
8091 tree_expr_nonzero_p.
8093 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
8095 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
8096 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
8097 extra arg "picreg" and use it instead of pic_offset_table_rtx.
8098 All callers changed.
8099 (frame_related_constant_load): New arg "related" which controls
8100 setting of RTX_FRAME_RELATED_P. All callers changed.
8101 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
8102 (bfin_expand_prologue): Add stack limit checking.
8103 * config/bfin/bfin.md (trapifcc): New pattern.
8105 * config/bfin/bfin.c: Include "langhooks.h".
8106 (def_builtin): Go through lang_hooks to call builtin_function.
8108 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
8109 * config/bfin/predicates.md (symbol_ref_operand): New.
8110 (call_insn_operand): Delete. All callers changed to use
8111 register_no_elim_operand.
8112 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
8114 (function_arg): Use it to generate the call's operand 2.
8115 (bfin_longcall_p): New function.
8116 (bfin_expand_call): Extra arg "cookie". All callers and declaration
8117 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
8118 determine if the address needs to be in a REG.
8119 (bfin_handle_longcall_attribute): New function.
8120 (bfin_attribute_table): Add "longcall" and "shortcall".
8121 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
8122 (CUMULATIVE_ARGS): New member call_cookie.
8123 (PREDICATE_CODES): Add symbol_ref_operand.
8124 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
8125 extra USE to the pattern.
8126 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
8127 New patterns, split off call_insn, sibcall_insn, call_value_insn and
8128 sibcall_value_insn; now the new patterns handle direct calls and the
8129 old ones indirect calls.
8130 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
8132 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
8134 * doc/trouble.texi: Update section on handling of empty loops.
8136 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
8138 * config.gcc: Remove support for sparc-*-openbsd*,
8139 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
8141 * config.host: Remove support for i860-*-sysv4* as a host.
8142 * config/i860/*, config/ip2k/*, config/ns32k/*,
8143 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
8144 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
8145 mention obsolete ports.
8147 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
8149 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
8151 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
8152 of frame_pointer_rtx.
8153 (sh_expand_epilogue): Likewise.
8154 (sh_set_return_address): Likewise.
8155 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
8156 instead of FRAME_POINTER_REGNUM if needed. Add elimination
8157 offsets from FRAME_POINTER_REGNUM.
8158 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
8159 (sh_register_names): Add initializer for sfp.
8160 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
8161 (VALID_REGISTER_P): Likewise.
8162 (FIRST_PSEUDO_REGISTER): Update.
8163 (DWARF_FRAME_REGISTERS): Define.
8164 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
8165 (HARD_FRAME_POINTER_REGNUM): Define.
8166 (FRAME_POINTER_REGNUM): Redefine.
8167 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
8168 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
8169 from FRAME_POINTER_REGNUM.
8170 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
8171 FRAME_POINTER_REGNUM.
8172 (REG_CLASS_CONTENTS): Add sfp.
8173 (REG_ALLOC_ORDER): Likewise.
8174 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
8175 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
8176 of frame_pointer_rtx.
8177 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
8179 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
8181 * fold-const.c (tree_expr_nonnegative_p): Only return true for
8182 ABS_EXPR when flag_wrapv is false because of INT_MIN.
8183 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
8185 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
8188 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
8190 Make CONSTRUCTOR use VEC to store initializers.
8191 * c-common.c (complete_array_type): Update to cope with VEC in
8193 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
8194 (pp_c_constructor_elts): New function.
8195 * c-pretty-print.h (pp_c_constructor_elts): Declare.
8196 * c-typeck.c (build_function_call, build_c_cast, digest_init,
8197 struct constructor_stack, struct initializer_stack,
8198 constructor_elements, push_init_level, pop_init_level,
8199 add_pending_init, find_init_member, output_init_element): Update to
8200 cope with VEC in CONSTRUCTOR_ELTS.
8201 * coverage.c (build_fn_info_value, build_ctr_info_value,
8202 build_gcov_info): Likewise.
8203 * expr.c (categorize_ctor_elements_1, store_constructor,
8204 expand_expr_real_1): Likewise.
8205 * fold-const.c (fold_ternary): Likewise.
8206 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
8207 gimplify_init_constructor, gimplify_expr): Likewise.
8208 * tree-dump.c (dequeue_and_dump): Likewise.
8209 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
8211 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
8213 * tree-sra.c (generate_element_init_1): Likewise.
8214 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
8215 * tree-ssa-operands.c (get_expr_operands): Likewise.
8216 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
8217 * tree-vect-transform.c (vect_get_vec_def_for_operand):
8218 (get_initial_def_for_reduction): Likewise.
8219 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
8220 value handle in annotations.
8221 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
8222 tree_node_structure): Add support for constr_kind.
8223 (build_vector_from_ctor, build_constructor_single,
8224 build_constructor_from_list): New functions.
8225 (build_constructor): Update to take a VEC instead of a TREE_LIST.
8226 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
8227 Update to cope with VEC in CONSTRUCTOR_ELTS.
8228 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
8229 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
8230 CONSTRUCTOR_APPEND_ELT): New macros.
8231 (struct constructor_elt, struct tree_constructor): New data types.
8232 (union tree_node): Add tree_constructor field.
8233 * treestruct.def: Define TS_CONSTRUCTOR.
8234 * varasm.c (const_hash_1, compare_constant, copy_constant,
8235 compute_reloc_for_constant, output_addressed_constants,
8236 initializer_constant_valid_p, output_constant,
8237 array_size_for_constructor, output_constructor): Update to cope with
8238 VEC in CONSTRUCTOR_ELTS.
8239 * vec.h (VEC_empty, VEC_copy): New macros.
8241 2005-07-19 Devang Patel <dpatel@apple.com>
8243 * dbxout.c (dbxout_type): Check Objective-C++ lang.
8245 2005-07-19 Richard Henderson <rth@redhat.com>
8248 * gimplify.c (gimplify_expr): Use main variant type for the temp
8249 destination for a discarded volatile read.
8250 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
8251 casts between non-void types that change volatility.
8253 2005-07-15 DJ Delorie <dj@redhat.com>
8255 * toplev.h: Add comment about the first parameter for warning().
8256 * errors.h: Likewise.
8258 * c.opt (Wpragmas): New.
8259 * doc/invoke.texi: Document it.
8261 * function.c (do_warn_unused_parameter): Add warning control to
8263 * c-decl.c (warn_if_shadowing): Likewise.
8264 * c-lex.c (cb_def_pragma): Likewise.
8265 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
8266 (pop_alignment): Likewise.
8267 (handle_pragma_pack): Likewise.
8268 (apply_pragma_weak): Likewise.
8269 (handle_pragma_weak): Likewise.
8270 (handle_pragma_redefine_extname): Likewise.
8271 (add_to_renaming_pragma_list): Likewise.
8272 (handle_pragma_extern_prefix): Likewise.
8273 (maybe_apply_renaming_pragma): Likewise.
8274 (handle_pragma_visibility): Likewise.
8276 * config/c4x/c4x-c.c (BAD): Likewise.
8277 (c4x_parse_pragma): Likewise.
8278 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
8279 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
8280 (rs6000_pragma_longcall): Likewise.
8281 * config/v850/v850-c.c (pop_data_area): Likewise.
8282 (ghs_pragma_section): Likewise.
8283 (ghs_pragma_section): Likewise.
8284 (ghs_pragma_interrupt): Likewise.
8285 (ghs_pragma_starttda): Likewise.
8286 (ghs_pragma_startsda): Likewise.
8287 (ghs_pragma_startzda): Likewise.
8288 (ghs_pragma_endtda): Likewise.
8289 (ghs_pragma_endsda): Likewise.
8290 (ghs_pragma_endzda): Likewise.
8292 2005-07-19 Danny Berlin <dberlin@dberlin.org>
8293 Kenneth Zadeck <zadeck@naturalbridge.com>
8295 * Makefile.in: Removed tree-promote-statics.c
8296 * tree-promote-statics.c: Removed.
8297 * common.opt: Removed flag-promote-statics.
8299 * passes.c: Removed tree-promote-statics pass.
8300 * tree-pass.h: Ditto.
8301 * timevar.def: Removed TV_PROMOTE_STATICS.
8304 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
8306 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
8308 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
8310 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8313 * c-common.c (check_function_arguments): Call
8314 'check_function_format' if either -Wformat or
8315 -Wmissing-format-attribute are specified.
8316 * c-format.c (check_function_format): Check -Wformat before
8317 calling 'check_format_info'.
8318 * c-opts.c (c_common_post_options): Don't warn for
8319 -Wmissing-format-attribute without -Wformat.
8320 * c-typeck.c (convert_for_assignment): Detect additional cases for
8321 -Wmissing-format-attribute.
8322 * doc/invoke.texi (-Wmissing-format-attribute): Document new
8325 2005-07-19 Richard Guenther <rguenther@suse.de>
8327 * config/i386/i386.md (lrint<mode>2): Use temporary
8328 instead of clobbering non-existent memory.
8330 2005-07-19 Nick Clifton <nickc@redhat.com>
8332 * config/avr/avr.c (legitimate_address_p): Fix debugging print
8333 statement to avoid displaying ASCII control characters.
8335 2005-07-19 Ben Elliston <bje@au.ibm.com>
8337 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
8338 * cfganal.c (find_edge_index): Ditto.
8339 * combine.c (combine_instructions): Ditto.
8340 * ddg.c (create_scc): Ditto.
8341 (find_successors): Ditto.
8342 (find_predecessors): Ditto.
8343 (find_nodes_on_paths): Ditto.
8344 (longest_simple_path): Ditto.
8345 * flow.c (update_life_info): Ditto.
8346 (count_or_remove_death_notes): Ditto.
8347 (clear_log_links): Ditto.
8348 * modulo-sched.c (generate_reg_moves): Ditto.
8349 (find_max_asap): Ditto.
8350 (find_max_hv_min_mob): Ditto.
8351 (find_max_dv_min_mob): Ditto.
8352 * sbitmap.c (sbitmap_first_set_bit): Ditto.
8353 * sched-rgn.c (extract_edgelst): Ditto.
8354 * tree-into-ssa.c (prepare_names_to_update): Ditto.
8355 (dump_update_ssa): Ditto.
8356 (ssa_names_to_replace) Ditto.
8357 (switch_virtuals_to_full_rewrite): Ditto.
8358 (update_ssa): Ditto.
8359 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
8361 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
8363 Fix PR tree-optimization/22483
8365 * tree-complex.c (create_components): Use
8366 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
8367 * tree-flow-inline.h (fill_referenced_var_vec): New function.
8368 * tree-flow.h (safe_referenced_var_iterator): New structure.
8369 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
8370 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
8371 safe_referenced_var iterator.
8372 (add_type_alias): Ditto.
8374 2005-07-19 Steven Bosscher <stevenb@suse.de>
8376 * loop-init.c (rest_of_handle_loop2): Remove.
8377 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
8378 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
8379 (pass_rtl_loop_init, pass_rtl_loop_done,
8380 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
8381 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
8382 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
8383 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
8384 pass_tree_loop_done, and pass_tree_unswitch.
8385 (gate_loop): Rename to gate_tree_loop.
8386 * passes.c (init_optimization_passes): Update for renamed tree
8387 loop passes. Add the new loop2 passes as subpasses of loop2.
8388 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
8389 Update for the renamed tree loop passes.
8391 2005-07-18 Ian Lance Taylor <ian@airs.com>
8394 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
8395 blocks when optimizing.
8397 2005-07-18 Steve Ellcey <sje@cup.hp.com>
8399 * common.opt (frename-registers): Initialize to 2.
8401 (fgcse-after-reload): Ditto.
8402 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
8403 (process_options): Only change flag_web, flag_rename_registers,
8404 and flag_rerun_cse_after_loop if not explicitly set by user.
8406 2005-07-18 Jan Beulich <jbeulich@novell.com>
8408 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
8409 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
8410 in 64-bit mode the same as DImode in 32-bit mode.
8411 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
8412 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
8413 mode. Add new mode parameter.
8414 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
8415 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
8416 x86_64_shift_adj): New expanders.
8417 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
8418 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
8420 Respective new splitters. Use renamed shift splitter helpers in 32-bit
8421 DImode shift splitters.
8422 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
8423 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
8426 2005-07-18 Jan Beulich <jbeulich@novell.com>
8428 * i386.md (movdi_extzv_1): New.
8429 (zero_extendhidi2): Combine alternatives and never force use of
8431 (zero_extendqidi2): Likewise. Don't restrict input selection.
8433 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8435 Fix PR tree-optimization/22531
8436 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
8439 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8441 * tree-promote-statics.c (pass_promote_statics): Change dump file
8444 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8446 * tree-optimize.c (init_tree_optimization_passes): Add
8447 pass_eliminate_useless_stores pass.
8448 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
8449 * tree-ssa-pre.c (is_copy_stmt): New function.
8450 (follow_copies_till_vuse): Ditto.
8451 (do_eustores): Ditto.
8452 (gate_eustores): Ditto.
8454 2005-07-16 Richard Henderson <rth@redhat.com>
8456 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
8458 2005-07-16 Danny Berlin <dberlin@dberlin.org>
8459 Kenneth Zadeck <zadeck@naturalbridge.com>
8461 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
8462 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
8463 ipa-type-escape.h, tree-promote-statics.c
8464 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
8465 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
8466 tree-promote-statics.c: new files.
8467 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
8468 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
8469 int nonlocal_set_p, mark_constant_function): Deleted.
8470 (rest_of_handle_cfg): Removed call to mark_constant_function.
8471 (nonoverlapping_component_refs_p): Added calls to support
8472 type based aliasing.
8473 * tree-ssa-alias.c (may_alias_p,
8474 compute_flow_insensitive_aliasing): Ditto.
8475 * calls.c (flags_from_decl_or_type): Removed reference to
8477 * c-typeck.c (convert_arguments): Make builtins tolerant of having
8478 too many arguments. This is necessary for Spec 2000.
8479 * cgraph.h (const_function, pure_function): Removed.
8480 * common.opt: Added "fipa-pure-const", "fipa-reference",
8481 "fipa-type-escape", and "ftree-promote-static".
8483 * passes.c: Added ipa and tree-promote-statics passes.
8484 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
8485 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
8486 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
8487 * tree-flow.h: Added exposed sra calls and addition of
8488 reference_vars_info field for FUNCTION_DECLS.
8489 * tree-pass.h: Added passes.
8490 * tree-sra.c: (sra_init_cache): New function.
8491 (sra_insert_before, sra_insert_after) Made public.
8492 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
8494 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
8495 aliasing. (may_alias_p): Added code to use type escape analysis to
8497 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
8498 code to prune clobbers of static variables based on information
8499 produced in ipa-reference pass. Changed call clobbering so that
8500 statics are not marked as clobbered if the call does not clobber
8503 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
8505 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
8508 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8510 * doc/install.texi (*-*-solaris2*): Document recommended version
8511 of GNU binutils and mention GNU linker problem on Solaris 10.
8513 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
8516 * c-decl.c (c_build_bitfield_integer_type): New function.
8517 (finish_struct): Call it.
8518 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
8520 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8522 * c-typeck.c (digest_init): Call 'convert_for_assignment'
8525 2005-07-16 Jan Hubicka <jh@suse.cz>
8527 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
8528 (scale_bbs_frequencies_int): Watch roundoff errors.
8529 * predict.c (return_prediction): Initialize return_stmt.
8531 2005-07-16 Jan Hubicka <jh@suse.cz>
8533 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
8534 after RTL profiling.
8536 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
8539 * fold-const.c (build_range_check): Convert high/low to etype
8540 if we are only comparing against exp.
8542 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
8544 Fix PR tree-optimization/22376
8545 * tree-ssa-structalias.c (build_constraint_graph): We really meant
8547 (need_to_solve): New function.
8548 (compute_points_to_sets): Use it.
8550 2005-07-15 Jan Hubicka <jh@suse.cz>
8552 * cfg.c (update_bb_profile_for_threading): More diagnostic.
8553 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
8555 2005-07-15 Richard Guenther <rguenther@suse.de>
8557 * c-common.c (handle_flatten_attribute): New function.
8558 Add flatten function attribute.
8559 * doc/extend.texi: Document flatten function attribute.
8560 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
8561 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8563 (cgraph_decide_inlining): Handle functions with flatten
8566 2005-07-14 David Edelsohn <edelsohn@gnu.org>
8568 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
8569 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
8570 UNSPEC_XCHG, UNSPEC_AND): New.
8571 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
8572 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
8573 * config/rs6000/sync.md (FETCHOP): New code macro.
8574 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
8576 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
8577 (sync_compare_and_swap<mode>): Same.
8578 (sync_lock_test_and_set<mode>): Same.
8579 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
8580 for QImode and HImode, and not PPC405.
8581 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
8582 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
8583 (sync_<fetchop>{si,di}_internal): New.
8584 (sync_nand{si,di}_internal): New.
8585 (sync_old_<fetchop>{si,di}_internal): New.
8586 (sync_old_nand{si,di}_internal): New
8587 (sync_new_<fetchop>{si,di}_internal): New.
8588 (sync_new_nand{si,di}_internal): New.
8589 (atomic_and{si,di}): New.
8590 (sync_new_nand{si,di}_internal): New.
8591 (atomic_and{si,di}): New.
8592 (sync_add<mode>_internal): Delete.
8593 (sync_addshort_internal): Use unspec instead of unspec_volatile.
8594 (sync_sub<mode>_internal): Delte.
8595 (sync_subshort_internal): New.
8596 (sync_andsi_internal): Use unspec instead of unspec_volatile.
8597 (sync_anddi_internal): Delete.
8598 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
8599 (sync_booldi_internal): Delete.
8600 (sync_boolc<mode>_internal): Delete.
8601 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
8602 (sync_boolc<mode>_internal2): Delete.
8603 (sync_boolcc<mode>_internal): Delete.
8604 (isync, lwsync): Use unspec instead of unspec_volatile.
8605 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
8606 Revert UNSPEC_VOLATILE.
8607 (rs6000_split_atomic_op): New.
8608 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
8610 2005-07-14 Eric Christopher <echristo@redhat.com>
8612 * config/mips/mips.c (mips_canonicalize_comparison): Cast
8613 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
8615 2005-07-14 Eric Christopher <echristo@redhat.com>
8617 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
8619 2005-07-14 Steven Bosscher <stevenb@suse.de>
8621 PR tree-optimization/22230
8622 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
8623 the computation of the four cross productions for "range op range".
8625 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
8626 Ulrich Weigand <uweigand@de.ibm.com>
8629 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
8632 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8634 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
8636 2005-07-14 Steve Ellcey <sje@cup.hp.com>
8638 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
8640 2005-07-14 Richard Guenther <rguenther@suse.de>
8643 * config/i386/i386-protos.h (ix86_function_value): Change
8644 prototype to match new target hook.
8645 * config/i386/i386.c (ix86_value_regno): Change prototype
8646 to take extra type argument.
8647 (TARGET_FUNCTION_VALUE): Define.
8648 (ix86_function_ok_for_sibcall): Pass extra argument to
8649 ix86_value_regno, check return slot rtx for exact match.
8650 (ix86_function_value): Take extra parameter. Dispatch to
8651 ix86_value_regno with fndecl/fntype as provided.
8652 (ix86_value_regno): Handle extra type argument.
8653 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
8655 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
8656 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
8657 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
8658 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
8659 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
8661 2005-07-14 Richard Guenther <rguenther@suse.de>
8663 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
8664 * calls.c (expand_call): Pass fntype to hard_function_value.
8665 (emit_library_call_value_1): Likewise.
8666 * explow.c: Include target.h.
8667 (hard_function_value): Take extra argument, the fntype.
8668 Use new target hook for function_value.
8669 * expr.h (hard_function_value): Change prototype.
8670 * function.c (aggregate_value_p): Pass 0 as fntype to
8671 hard_function_value.
8672 (assign_parms): Use new target hook for function_value.
8673 Pass 0 as fntype to hard_function_value.
8674 (expand_function_end): Likewise.
8675 * reg-stack.c: Include target.h.
8676 (stack_result): Use new target hook for function_value.
8677 * target-def.h: New target hook function_value.
8678 * target.h: Likewise.
8679 * targhooks.c (default_function_value): New function.
8680 * targhooks.h (default_function_value): Declare.
8682 2005-07-13 Ian Lance Taylor <ian@airs.com>
8684 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
8686 2005-07-14 Jan Hubicka <jh@suse.cz>
8688 * tree-dfa.c (dump_variable): Use default_def function.
8689 * tree-ssa-alias.c (dump_points_to_info): Likewise.
8690 * tree-ssa.c (verify_use): Likewise.
8691 * tree-ssanames.c (release_ssa_name): Likewise.
8692 * tree-tailcall.c (eliminate_tail_call): Likewise.
8693 (tree_optimize_tail_calls_1): Likewise.
8694 * tree-vrp.c (get_value_range): Likewise.
8696 2005-07-14 Ben Elliston <bje@au.ibm.com>
8698 * gcc.c (main): Compare language[0] with '*' when iterating over
8701 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8703 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
8704 "s390_emit_compare". Add handling of CCZ1mode.
8705 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
8706 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
8708 (s390_branch_condition_mask): Add CCZ1mode handling.
8709 * config/s390/s390.md: ("seq", "*seq"): New pattern.
8710 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
8711 Use CCZ1mode instead of CCZmode.
8712 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
8714 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8716 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
8718 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
8720 2005-07-13 Eric Christopher <echristo@redhat.com>
8722 * config/mips/mips.c (mips_canonicalize_comparison): New.
8723 (mips_emit_int_relational): Use.
8725 2005-07-13 Eric Christopher <echristo@redhat.com>
8727 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8729 * config/s390/s390.md: Include tpf.md. Move tpf specific
8731 * config/s390/tpf.md: To here.
8732 * config/s390/s390.opt: Move tpf specific options...
8733 * config/s390/tpf.opt: to here. Add mmain option.
8734 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8735 * config/s390/tpf.h: Rewrite.
8737 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8739 * doc/tm.texi: Remove @xref{Cross-profiling}.
8741 2005-07-13 Jeff Law <law@redhat.com>
8743 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
8744 expressions, test their _DECL operands for pointer equality rather
8745 than using operand_equal_p.
8747 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8749 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
8750 (TARGET_POSIX_IO): This.
8751 * config/darwin.h: Likewise.
8752 * config/freebsd.h: Likewise.
8753 * config/linux.h: Likewise.
8754 * config/lynx.h: Likewise.
8755 * config/netbsd.h: Likewise.
8756 * config/rs6000/linux64.h: Likewise.
8757 * config/rs6000/linux.h: Likewise.
8758 * config/s390/tpf.h: Likewise.
8759 * config/sh/embed-elf.h: Likewise.
8760 * config/sparc/linux64.h: Likewise.
8761 * config/sparc/linux.h: Likewise.
8762 * config/svr4.h: Likewise.
8763 * gcov-io.h: Likewise.
8765 * doc/tm.texi: Updated.
8767 * libgcov.c (create_file_directory): Defined only if
8768 TARGET_POSIX_IO is defined.
8769 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
8772 2005-07-13 Jan Hubicka <jh@suse.cz>
8774 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
8776 2005-07-13 David Edelsohn <edelsohn@gnu.org>
8778 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
8779 structure as argument.
8781 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
8783 PR tree-optimization/21921
8784 * tree-iterator.c (tsi_link_before): Support the case when
8785 tsi_end_p (tsi) == true.
8787 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8789 PR tree-optimization/22442
8790 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
8793 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8795 PR rtl-optimization/20376
8796 * toplev.c (process_options): Enable -fweb and -frename-registers when
8798 * doc/invoke.texi: Update the information about when -fweb and
8799 -frename-registers are enabled.
8801 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8804 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
8805 if *rhs_p is not a SSA_NAME.
8807 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
8809 Fix PR tree-optimization/22422
8810 * tree-ssa-structalias.c (struct variable_info): Add flag for
8812 (get_varinfo): Now a static function.
8813 (new_varinfo): init has_union and is_special_var to false.
8814 (solution_set_add): Check has_union.
8815 (do_da_constraint): Move temporary variable so it gets reset
8817 Also check for special variable.
8818 (do_ds_constraint): Ditto.
8819 (do_sd_constraint): Ditto.
8820 (do_structure_copy): Check for special variable.
8821 (find_func_aliases): Ditto.
8822 (init_base_vars): Set special vars properly.
8824 2005-07-13 Jan Hubicka <jh@suse.cz>
8826 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
8829 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
8830 (get_expr_operands): Fix thinko wrt flags and subvars.
8832 PR tree-optimize/22379
8833 * tree-inline.c (expand_call_inline): Do not output sorry in early
8836 2005-07-12 Dale Johannesen <dalej@apple.com>
8838 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
8840 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8843 * host-linux.h: Include limits.h.
8845 2005-07-12 Dale Johannesen <dalej@apple.com>
8847 * expr.c (compress_float_constant): Add cost check.
8848 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
8850 2005-07-12 Dale Johannesen <dalej@apple.com>
8852 * gcc.target/i386/compress-float-sse.c: New.
8853 * gcc.target/i386/compress-float-sse-pic.c: New.
8854 * gcc.target/i386/compress-float-387.c: New.
8855 * gcc.target/i386/compress-float-387-pic.c: New.
8856 * gcc.dg/compress-float-ppc.c: New.
8857 * gcc.dg/compress-float-ppc-pic.c: New.
8859 2005-07-12 Eric Christopher <echristo@redhat.com>
8861 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8863 * config/s390/s390.md: Include tpf.md. Move tpf specific
8865 * config/s390/tpf.md: To here.
8866 * config/s390/s390.opt: Move tpf specific options...
8867 * config/s390/tpf.opt: to here. Add mmain option.
8868 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8869 * config/s390/tpf.h: Rewrite.
8871 2005-07-12 Eric Christopher <echristo@redhat.com>
8873 * gcc.c (struct infile): Update comment for language.
8874 (main): Rewrite input file resetting code.
8876 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8879 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
8880 requiring a cast in a non RHS of modify_expr. Add a cast when required.
8881 (lookup_avail_expr): Use constant_boolean_node instead
8882 of boolean_false_node/boolean_true_node.
8884 2005-07-12 Ben Elliston <bje@au.ibm.com>
8886 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
8887 and use it when printing num_edges.
8889 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
8891 * doc/extend.texi (Blackfin Built-in Functions): New section.
8892 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
8895 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
8897 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
8898 s/cmpstrsi/cmpstrnsi
8899 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
8901 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
8902 (init_optabs): Initialize cmpstrn_optab.
8903 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
8904 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
8905 * expr.c: (enum insn_code cmpstrn_optab): Declare.
8906 * config/i386/i386.md: s/cmpstr/cmpstrn
8907 * config/c4x/c4x.md: s/cmpstr/cmpstrn
8908 * doc/md.texi: Update documentation.
8910 2005-07-11 Richard Henderson <rth@redhat.com>
8912 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
8913 build_va_arg_indirect_ref.
8914 (alpha_gimplify_va_arg): Likewise.
8915 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
8916 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8917 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
8918 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
8919 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8920 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
8922 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
8924 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8926 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
8927 * passes.c (init_optimization_passes): Add pass_empty_loop.
8928 * tree-pass.h (pass_empty_loop): Declare.
8929 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
8930 try_remove_empty_loop, remove_empty_loops): New functions.
8931 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
8932 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
8934 2005-07-12 Peter Barada <peter@the-baradas.com>
8938 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
8939 in address registers.
8940 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
8941 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
8942 alternative of addsi3_5200.
8944 2005-07-11 Ian Lance Taylor <ian@airs.com>
8946 * config/mips/mips.md (ffs<mode>2): Remove.
8948 2005-07-11 Ian Lance Taylor <ian@airs.com>
8950 * doc/tree-ssa.texi (Cleanups): Improve description of
8952 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
8954 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8956 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
8957 * tree.h (DECL_ARGUMENT_FLD): New macro.
8959 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
8961 Fix PR tree-optimization/22404
8963 * tree-ssa-structalias.c (create_variable_info_for): Use
8966 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
8968 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
8969 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
8970 for second comparison operand.
8971 * config/bfin/predicates.md (reg_or_const_int_operand): New.
8973 * config/bfin/bfin.md (define_attr "type"): Add "sync".
8974 (define_insn_reservation "alu"): Likewise.
8975 (csync, ssync): Now of type sync.
8976 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
8977 -mcsync-anomaly -mspecld-anomaly.
8978 * config/bfin/bfin.opt (mcsync): Remove.
8979 (mcsync-anomaly, mspecld-anomaly): Add.
8980 * config/bfin/bfin.c: Include "insn-codes.h".
8981 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
8982 (TARGET_DEFAULT_TARGET_FLAGS): New.
8983 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
8985 2005-07-11 Steven Bosscher <stevenb@suse.de>
8987 * basic-block.h: Give the BB flags enum a name, bb_flags.
8988 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
8989 * cfgcleanup.c (enum bb_flags): Remove here.
8990 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
8991 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
8992 (update_forwarder_flag): Likewise.
8993 (thread_jump): Likewise.
8994 (try_forward_edges): Likewise.
8995 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
8996 forwarder flags. Don't clear bb->aux for all basic blocks. Only
8997 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
8999 2005-07-11 Richard Guenther <rguenther@suse.de>
9001 * config/i386/i386.opt: New target option -msseregparm.
9002 * config/i386/i386.c (override_options): Error out for
9003 -msseregparm but no SSE support.
9004 (ix86_function_sseregparm): Check for global sseregparm.
9005 * doc/invoke.texi: Document -msseregparm.
9007 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9009 * config.gcc (m32r-*-linux*): Use the default extra_parts.
9010 (m32rle-*-linux*): Ditto.
9012 2005-07-11 Jakub Jelinek <jakub@redhat.com>
9014 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
9015 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
9018 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9022 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
9023 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
9025 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
9027 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
9028 (varmap): Heapify varmap.
9029 (constraints): Heapify constraints.
9030 (struct constraint_graph): Heapify succs and preds.
9031 (constraint_vec_find): Update for heapification.
9032 (constraint_set_union): Ditto.
9033 (insert_into_complex): Ditto.
9034 (constraint_edge_vec_find): Ditto.
9035 (erase_graph_self_edge): Ditto.
9036 (add_graph_edge): Ditto.
9037 (get_graph_weights): Ditto.
9038 (merge_graph_nodes): Ditto.
9039 (build_constraint_graph): Ditto.
9040 (topo_visit): Ditto.
9041 (solve_graph): Ditto.
9042 (create_variable_info_for): Ditto.
9043 (init_base_vars): Ditto.
9044 (delete_points_to_sets): Free graph, varmap, and complex constraints.
9045 (condese_varmap_nodes): Free complex vector.
9046 (clear_edges_for_node): Clear succs and preds vector.
9048 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
9050 * tree-ssa-structalias.c (update_alias_info): Change counting of
9051 references to not include vdefs.
9053 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
9055 * tree-ssa-alias.c (free_used_part_map): Add missing free.
9058 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9060 * pa.c (pa_commutative_p): Make PLUS commutative when
9061 TARGET_NO_SPACE_REGS is true.
9063 2005-07-09 Diego Novillo <dnovillo@redhat.com>
9065 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
9066 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
9067 * tree-dfa.c (dump_subvars_for): New.
9068 (debug_subvars_for): New.
9069 (dump_variable): Show subvariables if VAR has them.
9070 * tree-flow-inline.h (get_subvar_at): New.
9071 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
9072 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
9074 (struct subvar): Change fields offset and size to unsigned
9076 (dump_subvars_for): Declare.
9077 (debug_subvars_for): Declare.
9078 (get_subvar_at): Declare.
9079 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
9080 to unsigned HOST_WIDE_INT *.
9081 (overlap_subvar): Likewise.
9082 * tree-gimple.c (is_gimple_reg): Always return false for
9083 SFTs and memory tags.
9084 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
9086 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
9087 (compute_may_aliases): Call compute_points_to_sets.
9088 (collect_points_to_info_for): Remove.
9089 (compute_points_to_and_addr_escape): Remove.
9090 (delete_alias_info): Call delete_points_to_sets.
9091 (compute_flow_sensitive_aliasing): If the call to
9092 find_what_p_points_to returns false, call set_pt_anything.
9093 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
9094 (set_pt_anything): Clear pi->pt_vars.
9095 (set_pt_malloc): Remove.
9096 (merge_pointed_to_info): Remove.
9097 (add_pointed_to_expr): Remove.
9098 (add_pointed_to_var): Remove.
9099 (collect_points_to_info_r): Remove.
9100 (is_escape_site): Make extern.
9102 (create_overlap_variables_for): Call it.
9103 * tree-ssa-copy.c (merge_alias_info): Never merge
9104 flow-sensitive alias information.
9105 * tree-ssa-operands.c (get_expr_operands): Adjust variables
9106 offset and size to be unsigned HOST_WIDE_INT.
9107 (add_to_addressable_set): Rename from note_addressable.
9108 Set TREE_ADDRESSABLE as the variables are added to the set.
9110 (add_stmt_operand): Do not try to micro-optimize unmodifiable
9111 operands into VUSEs when adding V_MAY_DEFs for members in an
9113 * tree-ssa-operands.h (add_to_addressable_set): Declare.
9114 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
9115 (struct variable_info): Add bitfield is_heap_var.
9116 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
9117 (new_var_info): Initialize is_heap_var.
9118 (get_constraint_for): Add HEAP variables to the symbol table.
9119 Mark them with is_heap_var.
9120 (update_alias_info): New. Taken mostly from the old
9121 compute_points_to_and_addr_escape.
9122 (handle_ptr_arith): New.
9123 (find_func_aliases): Call update_alias_info.
9124 Call handle_ptr_info for tcc_binary expressions.
9125 Call mark_stmt_modified.
9126 (create_variable_info_for): If DECL has subvars, do not create
9127 variables for its subvars. Always add all the fields.
9128 (set_uids_in_ptset): If the solution includes ANYOFFSET and
9129 SFTs, then add all the SFTs of the structure.
9130 If VI->DECL is an aggregate with subvariables, add the SFT at
9132 (find_what_p_points_to): If VI is an artificial variable,
9133 translate to bitfields in SSA_NAME_PTR_INFO.
9134 If the solution is empty, set pi->pt_vars to NULL
9135 (init_base_vars): Create ANYOFFSET.
9136 (compute_points_to_sets): Rename from create_alias_vars.
9138 (pass_build_pta): Remove.
9139 (delete_points_to_sets): Rename from delete_alias_vars.
9140 (pass_del_pta): Remove.
9141 * tree-ssa-structalias.h (struct alias_info): Move from
9143 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
9144 NUM_REFERENCES_SET): Likewise.
9145 (compute_points_to_sets, delete_points_to_sets): Declare.
9147 2005-07-09 Richard Henderson <rth@redhat.com>
9149 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
9150 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
9151 alpha_split_lock_test_and_set_12): New functions.
9152 * config/alpha/alpha-protos.h: Update.
9153 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
9154 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
9155 * config/alpha/sync.md (I12MODE): New.
9156 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
9157 (sync_<fetchop_name><I48MODE>): Likewise.
9158 (sync_nand<I48MODE>): Likewise.
9159 (sync_old_<fetchop_name><I48MODE>): Likewise.
9160 (sync_new_<fetchop_name><I48MODE>): Likewise.
9161 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
9162 (sync_compare_and_swap<I48MODE>): Likewise.
9163 (sync_lock_test_and_set<I48MODE>): Likewise.
9164 (sync_compare_and_swap<I12MODE>): New.
9165 (sync_compare_and_swap<I12MODE>_1): New.
9166 (sync_lock_test_and_set<I12MODE>): New.
9167 (sync_lock_test_and_set<I12MODE>_1): New.
9169 2005-07-09 Diego Novillo <dnovillo@redhat.com>
9173 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
9175 2005-07-09 Jakub Jelinek <jakub@redhat.com>
9177 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
9178 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
9180 2005-07-09 Richard SAndiford <richard@codesourcery.com>
9183 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
9185 2005-07-08 David Edelsohn <edelsohn@gnu.org>
9187 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
9188 memory_operand constraint.
9189 (store_conditional_<mode>): Same.
9190 (sync_compare_and_swap<mode>): Same.
9191 (sync_lock_test_and_set<mode>): Same.
9193 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
9195 Rewrite PIC support to more closely model actual instructions.
9196 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
9197 (cris_symbol): Remove prototypes for removed functions.
9198 (cris_pic_symbol_type_of, cris_valid_pic_const)
9199 (cris_expand_pic_call_address): Prototypes for new functions.
9200 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
9202 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
9204 <case ':'>: Add case for new punctuation character.
9205 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
9206 emitting (extra) PIC modifier.
9207 <case UNSPEC>: Do not assert for PLT.
9208 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
9209 (cris_expand_prologue, cris_expand_epilogue): Check
9210 for pic_offset_table_rtx usage instead of taking
9211 current_function_uses_pic_offset_table as the final word.
9212 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
9213 Remove flag_pic difference.
9214 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
9215 the moral equivalents of...
9216 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
9218 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
9219 (cris_handle_option): Mark ARG as unused.
9220 (cris_expand_pic_call_address): New worker function for "call",
9222 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
9223 output PIC constructs here.
9224 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
9225 as symbol-specific modifers, not whole or part of operands.
9226 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
9227 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
9228 constants and flag_pic.
9229 (CONSTANT_INDEX_P): Adjust for new functions.
9230 (enum cris_pic_symbol_type): New helper type.
9231 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
9232 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
9233 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
9235 ("movsi"): Emit actual instructions for GOT and relative access.
9236 ("*movsi_got_load"): New pattern to set up the register holding
9238 ("*movsi_internal"): Operand 1 is not a plain general_operand.
9239 Adjust FIXME for 'S'.
9240 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
9241 Use "movs" for -fpic cases.
9242 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
9243 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
9244 ("call", "call_value"): Just call cris_expand_pic_call_address for
9246 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
9247 Remove special pattern.
9248 ("*expanded_call_side", "*expanded_call_value_side"): New
9250 (gotplt-to-plt, gotplt-to-plt-side-call)
9251 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
9253 * config/cris/cris/predicates.md
9254 ("cris_general_operand_or_gotless_symbol"): Remove unused
9256 ("cris_general_operand_or_symbol"): Adjust for new functions.
9258 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9260 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
9262 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
9264 * Makefile.in (TREE_H): Add treestruct.def.
9265 (c-decl.o): Add pointer-set.h
9266 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
9267 visibility on regular DECL's.
9268 (merge_decls): Fix the copying of decl nodes of various types for
9269 the new structures. Don't update RTL, section name, weak status,
9270 etc, on DECL's without RTL.
9271 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
9272 Don't check volatile on non-variable types.
9273 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
9274 to check whether we have seen arguments.
9275 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
9276 flag is checked before field (flag is common, field is not).
9277 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
9278 TS_DECL_COMMON could have an origin.
9279 (add_location_or_const_value_attribute): Don't check section name
9280 on non-var/function decls.
9281 (dwarf2out_var_location): Reverse order of tests.
9282 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
9283 with DECL_WRTL_CHECK.
9284 * expmed.c (make_tree): rtl is now in decl_with_rtl.
9285 * fold-const.c (fold_binary): Don't check weakness on
9286 non-var/function decls.
9287 (tree_expr_nonzero_p): Ditto.
9288 (fold_checksum_tree): Use tree_decl_extra as sizeof
9290 * ggc-page.c (extra_order_size_table): Add sizes for
9291 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
9293 * gimplify.c (gimplify_bind_expr): Only set
9294 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
9295 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
9297 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
9298 * langhooks.h (init_ts). New langhook.
9299 * passes.c (rest_of_decl_compilation): Reverse order of tests.
9300 * print-tree.c (print_node): Update to only print fields that
9301 exist in the structures the passed decl has.
9302 * toplev.c (wrapup_global_declarations): Don't reset
9303 DECL_DEFER_OUTPUT on DECL's that don't contain it.
9304 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
9305 * tree-inline.c (remap_decl): Ditto.
9306 * tree-outof-ssa.c (create_temp): Reverse order of tests.
9307 * tree-pretty-print.c (print_declaration): Don't print
9308 DECL_REGISTER on things that don't contain it.
9309 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
9310 non-var/function decls.
9311 * tree.c (tree_contains_struct): New structure.
9312 (init_priority_for_decl): New hashtable.
9313 (tree_int_map): New structure.
9314 (tree_int_map_eq): New function.
9315 (tree_int_map_marked_p): Ditto.
9316 (tree_int_map_hash): Ditto.
9317 (tree_map): Move to tree.h.
9318 (tree_map_eq): Externalize.
9319 (tree_map_hash): Ditto.
9320 (tree_map_marked_p): Ditto.
9321 (init_ttree): Set up tree_contains_struct and call langhook.
9322 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
9323 (tree_code_size): Update for new structures.
9324 (tree_node_structure): Update for new structures.
9325 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
9327 (copy_node_stat): Copy init priority.
9328 (build_decl_stat): Ditto for visibility.
9329 (ts_enum_names): New.
9330 (tree_contains_struct_check_failed): New function.
9331 (decl_init_priority_lookup): Ditto.
9332 (decl_init_priority_insert): Ditto.
9333 * treestruct.def: New file.
9334 * tree.h (CODE_CONTAINS_STRUCT): New macro.
9335 (CONTAINS_STRUCT_CHECK): Ditto.
9336 (tree_contains_struct_check_failed): New prototype.
9337 (DECL_CHECK): Removed.
9338 (DECL_MINIMAL_CHECK): New.
9339 (DECL_COMMON_CHECK): Ditto.
9340 (DECL_WRTL_CHECK): Ditto.
9341 (DECL_NON_COMMON_CHECK): Ditto.
9342 (DECL_WITH_VIS_CHECK): Ditto.
9343 (VAR_OR_FUNCTION_DECL_P): Ditto
9344 (struct tree_decl_minimal): New structure.
9345 (struct tree_decl_common): Ditto.
9346 (struct tree_decl_with_rtl): Ditto.
9347 (struct tree_decl_with_vis): Ditto.
9348 (struct tree_decl_non_common): Ditto.
9349 (struct tree_field_decl): Ditto.
9350 (struct tree_parm_decl): Ditto.
9351 (struct tree_var_decl): Ditto.
9352 (struct tree_function_decl): Ditto.
9353 (struct tree_const_decl): Ditto.
9354 (struct tree_result_decl): Ditto.
9355 (union tree_node): Add new structures.
9356 * var-tracking.c (track_expr_p): Reverse order of tests.
9358 * doc/c-tree.texi: Add documentation on DECL node internal structure.
9360 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
9362 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
9363 * system.h: Poison FINALIZE_PIC.
9364 * doc/tm.texi (FINALIZE_PIC): Remove.
9366 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9369 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
9370 to the correct type if we have a MODIFY_EXPR.
9372 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
9374 PR tree-optimization/22360
9375 * tree.c (upper_bound_in_type): Fix calculations for casting
9376 to a non-wider signed type and casting a signed value to a
9377 wider unsigned type.
9378 (lower_bound_in_type): Fix calculations for casting to a
9379 non-wider signed type.
9381 PR tree-optimization/20139
9382 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
9384 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
9385 fold_cond_expr_cond.
9386 * tree-ssanames.c (release_defs): Assert in_ssa_p.
9387 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
9389 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9392 * tree-complex.c (expand_complex_libcall): Produce
9393 REALPART_EXPR/IMAGPART_EXPR with the correct type.
9395 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
9397 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
9398 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
9399 b" assert and inserted fastpath code for this case.
9400 (bitmap_ior): Removed "a != b" assert.
9402 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9404 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
9405 (ENDFILE_SPEC): Likewise.
9406 * config/m32r/m32r.h (ASM_SPEC): Likewise.
9408 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
9409 a large stack frame at epilogue.
9411 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
9413 * final.c: Include sdbout.h when required.
9415 2005-07-07 Geoffrey Keating <geoffk@apple.com>
9417 * config.gcc (*-*-darwin*): Only one target-specific header file
9419 (powerpc-*-darwin*): Add version-specific header files.
9420 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
9421 * config.in: Regenerate.
9422 * configure: Regenerate.
9423 * gcc.c: Include xregex.h.
9424 (version_compare_spec_function): New.
9425 (spec_function): Add version-compare.
9426 (replace_outfile_spec_function): Reformat comment.
9427 (compare_version_strings): New.
9428 * config/darwin-c.c (version_as_macro): New.
9429 (builtin_define): New.
9430 (darwin_cpp_builtins): New.
9431 * config/darwin-protos.h (darwin_cpp_builtins): New.
9432 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
9433 (LIB_SPEC): Make unconditional, update comment.
9434 (TARGET_C99_FUNCTIONS): Define.
9435 * config/darwin.opt: Sort.
9436 (mmacosx-version-min=): New.
9437 * config/darwin7.h: Delete.
9438 * config/darwin8.h: Delete.
9439 * config/i386/darwin.h (): Call darwin_cpp_builtins.
9440 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
9441 (TARGET_C99_FUNCTIONS): Define.
9442 * config/rs6000/darwin7.h: New.
9443 * config/rs6000/darwin8.h: New.
9444 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
9445 (-mmacosx-version-min): Document.
9447 2005-07-07 Ian Lance Taylor <ian@airs.com>
9449 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
9451 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
9454 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
9456 2005-07-07 Khem Raj <kraj@mvista.com>
9458 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
9459 in bytes, not words.
9461 2005-07-07 Paul Brook <paul@codesourcery.com>
9463 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
9464 DEFAULT_FUNCTION_ARG_PADDING to upward.
9466 2005-07-07 Richard Henderson <rth@redhat.com>
9468 * function.c (locate_and_pad_parm): Record parameter alignment in
9469 stack_alignment_needed.
9471 2005-07-07 David Edelsohn <edelsohn@gnu.org>
9473 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
9474 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
9475 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
9476 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
9477 (define_attr "type"): Add isync, sync, load_l, store_c.
9478 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
9479 Create scratch volatile MEM.
9480 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
9482 (load_locked_<mode>): New.
9483 (store_conditional_<mode>): New.
9484 (sync_compare_and_swap<mode>): Replace with splitter.
9485 (sync_lock_test_and_set<mode>): Replace with splitter.
9486 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
9488 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
9489 is ics. Attribute isync.
9490 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
9492 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
9493 and UNSPECV_SYNC_OP.
9494 (emit_unlikely_jump): New.
9495 (emit_load_locked): New.
9496 (emit_store_conditional): New.
9497 (rs6000_split_compare_and_swap): New.
9498 (rs6000_split_lock_test_and_set): New.
9499 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
9500 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
9501 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
9502 rs6000_split_lock_test_and_set): Declare.
9503 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
9504 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
9505 store_c, isync, sync.
9507 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
9509 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
9510 filenames to gtyp-gen.h.
9511 (s-typ-gen): Use it in place of for loops.
9513 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
9515 * hooks.c (hook_bool_rtx_int_false): New function.
9516 * hooks.h (hook_bool_rtx_int_false): Declare.
9517 * target-def.h (TARGET_COMMUTATIVE_P): Define.
9518 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
9519 * target.h (struct gcc_target): Add commutative_p member.
9520 * targhooks.c (hook_bool_rtx_commutative_p): New function.
9521 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
9522 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
9523 (pa_commutative_p): New function.
9524 * jump.c (target.h): Include.
9525 (rtx_renumbered_equal_p): Use targetm.commutative_p.
9526 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
9528 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9530 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
9531 (s390_expand_setmem): New.
9532 * config/s390/s390.c: Likewise.
9533 (print_shift_count_operand): Truncate to 12 bits instead of 6.
9535 * config/s390/s390.md: ("setmem<mode>"): Accept character as
9536 general_operand. Call new function "s390_expand_setmem".
9537 ("clrmem_long", "*clrmem_long"): Rewrite to ...
9538 ("setmem_long", "*setmem_long"): ... this.
9540 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9542 * config/s390/s390.c: (optimization_options): Enable
9543 TARGET_MVCLE at -Os.
9544 * doc/invoke.texi: Document changes in default behaviour.
9545 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
9547 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9549 * expr.c: (set_storage_via_setmem): Convert opchar to mode
9550 defined by back-end.
9552 2005-07-07 Jakub Jelinek <jakub@redhat.com>
9554 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
9555 all sets in the pattern.
9556 * config/rs6000/rs6000.md (stack_protect_testsi,
9557 stack_protect_testdi): Likewise.
9559 2005-07-06 Jeff Law <law@redhat.com>
9561 * tree-vrp.c (simplify_using_ranges): Kill.
9562 (vrp_finalize): Remove call to simplify_using_ranges.
9563 (simplify_stmt_using_ranges): New function extracted from
9564 simplify_using_ranges.
9565 (simplify_div_or_mod_using_ranges): Likewise.
9566 (simplify_abs_using_ranges): Likewise.
9567 (simplify_cond_using_ranges): New function.
9568 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
9569 * tree-ssa-propagate.c (substitute_and_fold): Call
9570 simplify_stmt_using_ranges if we have range information.
9572 2005-07-06 James E. Wilson <wilson@specifixinc.com>
9574 * config/ia64/ia64.c (ia64_reorg): Check optimize before
9575 ia64_flag_schedule_isns2.
9577 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
9578 reading/writing general registers.
9579 (ia64_function_arg): Revert 2005-06-18 change.
9581 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
9583 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
9584 (legitimize_tls_address): Use gcc_unreachable instead of abort.
9586 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
9588 * function.c (expand_function_end): Revert part of 2005-06-27
9589 patch. Do sjlj_emit_function_exit_after after return_label.
9591 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9593 * doc/install.texi (--disable-libssp): New.
9595 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
9597 * doc/invoke.texi: Update -fforce-mem documentation.
9598 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
9599 code for -fforce-mem.
9600 * expmed.c: (store_bit_field,store_fixed_bit_field,
9601 extract_bit_field): Ditto.
9602 * expr.c: (convert_move): Ditto.
9603 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
9604 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
9605 emit_conditional_add,expand_float,expand_fix): Ditto.
9606 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
9607 (common_handle_option): Issue warning when -fforce-mem specified.
9609 2005-07-06 Paul Brook <paul@codesourcery.com>
9611 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
9613 * configure: Regenerate.
9615 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
9617 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
9619 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
9621 Fix PR tree-optimization/22319
9622 Fix PR tree-optimization/22140
9623 Fix PR tree-optimization/22310
9625 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
9626 variable sized types.
9627 Use correct type for intermediate structure on *a = *b structure
9630 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9632 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
9634 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
9635 (machine_function): Move typedef to...
9636 * config/rs6000/rs6000.c (machine_function): ... here. Add
9637 varargs_save_offset field.
9638 (rs6000_stack_t): Remove varargs_size field.
9639 (setup_incoming_varargs): Allocate varargs save area using
9640 assign_stack_local, try to make it as small as possible.
9641 Save offset from virtual_stack_vars_rtx to the save area
9642 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
9643 instead of magic 8 when fp word byte size is used.
9644 (rs6000_va_start): Use cfun->machine->varargs_save_offset
9645 instead of -RS6000_VARARGS_SIZE.
9646 (rs6000_stack_info, debug_stack_info,
9647 rs6000_initial_elimination_offset): Remove all traces of
9649 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
9650 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
9651 RS6000_VARARGS_AREA.
9653 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9655 PR tree-optimization/21963
9656 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
9657 constant_multiple_of in the same way get_computation_cost_at does.
9659 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9661 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
9662 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
9663 (gen_compare_reg): If sparc_compare_emitted is set, clear it
9664 and return its previous value.
9665 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
9666 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
9668 (stack_protect_set, stack_protect_test): New expanders.
9669 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
9670 stack_protect_testdi): New insns.
9671 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9672 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
9674 2005-07-06 Jeff Law <law@redhat.com>
9676 * tree-ssa-dce.c (cfg_altered): New global.
9677 (tree_dce_init): Initialize cfg_altered.
9678 (remove_dead_stmt): If we remove an edge in the CFG, then set
9680 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
9683 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9685 * Makefile.in (stamp-collect-ld): Use
9686 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
9687 ./collect-ld if it already exists.
9688 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
9689 Don't remove ./nm if it already exists.
9691 2005-07-05 Devang Patel <dpatel@apple.com>
9693 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
9694 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
9695 * tree-vectorizer.c (vect_loop_location): New.
9696 (vect_print_dump_info): Use vect_loop_location.
9697 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
9698 (vectorize_loops): Set vect_loop_location.
9699 * tree-vect-analyze.c (vect_analyze_offset_expr,
9700 vect_determin_vectorization_factor, vect_analyze_operations,
9701 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
9702 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
9703 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
9704 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
9705 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
9706 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
9707 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
9708 vect_analyze_loop): Adjust vect_print_dump_info API.
9709 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9710 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
9711 vect_finish_stmt_generation, vectorizable_assignment,
9712 vectorizable_operation, vectorizable_store, vectorizable_load,
9713 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
9714 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
9715 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
9716 vect_transform_loop): Same.
9717 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
9718 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
9721 2005-07-05 Randolph Chung <tausq@debian.org>
9723 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
9724 * configure: Regenerate.
9725 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
9726 (pa_tls_referenced_p): Declare.
9727 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
9728 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
9729 (legitimize_tls_address): New.
9730 (hppa_legitimize_address): Handle TLS addresses.
9731 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
9732 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9733 (emit_move_sequence): Handle TLS addresses.
9734 (pa_encode_section_info): Call default handler to handle common
9736 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
9737 (CONSTANT_ADDRESS_P): Reject TLS operands.
9738 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
9739 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
9740 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
9741 (UNSPEC_TLSLE): Define new constants.
9742 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
9743 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
9744 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
9745 (tie_symbolic_operand, tle_symbolic_operand): New
9747 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
9749 * aclocal.m4: Update macros for autoconf 2.59 style.
9750 * configure.ac: Likewise.
9752 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9754 * pa.c (function_value): Handle small aggregates on 32-bit targets.
9755 (function_arg): Pass small aggregates in general registers on 32-bit
9757 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
9759 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
9761 * Makefile.in (final.o): Fix dependencies.
9763 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9767 * langhooks.h (struct lang_hooks): Add expr_to_decl.
9768 * langhooks.c (lhd_expr_to_decl): New.
9769 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
9771 (LANG_HOOKS_INITIALIZER): Update.
9772 * tree.c (recompute_tree_invarant_for_addr_expr): Call
9773 expr_to_decl langhook.
9774 * c-tree.h (c_expr_to_decl): Declare.
9775 * c-typeck.c (c_expr_to_decl): New.
9776 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
9778 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
9780 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9783 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
9784 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
9786 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
9788 * Makefile.in: Adjust dependencies.
9789 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
9790 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
9791 * alias.c (rest_of_handle_cfg, pass_cfg): New.
9792 * bb-reorder.c (duplicate_computed_gotos): Make it static.
9793 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
9794 rest_of_compilation.
9796 * bb-reorder.c (gate_duplicate_computed_gotos,
9797 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
9798 rest_of_handle_reorder_blocks, pass_reorder_blocks,
9799 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
9800 pass_partition_blocks): New.
9801 * bt-load.c (gate_handle_branch_target_load_optimize,
9802 rest_of_handle_branch_target_load_optimize,
9803 pass_branch_target_load_optimize): New.
9804 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
9806 * cfglayout.c (pass_insn_locators_initialize): New.
9807 * cfgrtl.c (pass_free_cfg): New.
9808 * combine.c (gate_handle_combine, rest_of_handle_combine,
9810 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
9811 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
9812 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
9813 * except.c (pass_set_nothrow_function_flags,
9814 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
9816 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
9817 rest_of_handle_shorten_branches, pass_shorten_branches,
9818 rest_of_clean_state, pass_clean_state): New.
9819 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
9820 rest_of_handle_remove_death_notes, pass_remove_death_notes,
9821 rest_of_handle_life, pass_life, rest_of_handle_flow2,
9823 * function.c (pass_instantiate_virtual_regs, pass_init_function,
9824 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
9825 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
9826 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
9828 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
9829 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
9830 pass_rtl_ifcvt, gate_handle_if_after_combine,
9831 rest_of_handle_if_after_combine, pass_if_after_combine,
9832 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
9833 pass_if_after_reload): New.
9834 * integrate.c (pass_initial_value_sets): New.
9835 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
9836 pass_purge_lineno_notes): New.
9837 * mode-switching.c (rest_of_handle_mode_switching,
9838 pass_mode_switching): New.
9839 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
9840 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
9842 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
9843 pass_loop_optimize): New.
9844 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
9846 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
9848 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
9849 pass_postreload_cse): New.
9850 * profile.c (gate_handle_profiling, pass_profiling,
9851 rest_of_handle_branch_prob, pass_branch_prob): New.
9852 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
9853 pass_split_before_regstack, gate_handle_split_before_regstack,
9854 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
9855 rest_of_handle_split_all_insns, pass_split_all_insns): New.
9856 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
9857 pass_stack_regs): New.
9858 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
9859 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
9860 pass_stack_adjustments): New.
9861 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
9862 pass_regrename): New.
9863 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
9864 pass_delay_slots, gate_handle_machine_reorg,
9865 rest_of_handle_machine_reorg, pass_machine_reorg): New.
9866 * rtl.h (extern void purge_line_number_notes): New.
9867 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
9868 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
9870 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
9872 * value-prof.c (gate_handle_value_profile_transformations,
9873 rest_of_handle_value_profile_transformations,
9874 pass_value_profile_transformations): New.
9875 * var-tracking.c (gate_handle_var_tracking,
9876 pass_variable_tracking): New.
9877 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
9879 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
9880 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
9881 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
9882 rest_of_handle_old_regalloc, rest_of_handle_regrename,
9883 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
9884 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
9885 rest_of_handle_gcse2, rest_of_handle_regmove,
9886 rest_of_handle_tracer, rest_of_handle_if_conversion,
9887 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
9888 rest_of_handle_web, rest_of_handle_branch_prob,
9889 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
9890 rest_of_handle_jump_bypass, rest_of_handle_combine,
9891 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9892 rest_of_handle_gcse, rest_of_handle_loop_optimize,
9893 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
9894 rest_of_handle_mode_switching, rest_of_handle_jump,
9895 rest_of_handle_eh, rest_of_handle_stack_adjustments,
9896 rest_of_handle_flow2, rest_of_handle_jump2,
9897 rest_of_handle_peephole2, rest_of_handle_postreload,
9898 rest_of_handle_shorten_branches, rest_of_clean_state,
9899 rest_of_compilation): Remove.
9901 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
9902 * passes.c (dump_flags, in_gimple_form, all_passes,
9903 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9904 register_dump_files, next_pass_1, last_verified, execute_todo,
9905 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
9906 from tree-optimize.c.
9907 (init_optimization_passes): Moved from tree-optimize.c,
9908 adding the RTL optimizations.
9909 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
9910 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
9911 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9912 register_dump_files, next_pass_1, last_verified, execute_todo,
9913 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
9914 init_tree_optimization_passes, ipa_passes): Delete.
9915 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
9917 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
9918 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
9920 (ipa_passes): Remove.
9921 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
9922 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
9923 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
9924 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
9925 (dump_info_p, dump_flag): Moved to tree-dump.h.
9927 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
9929 * passes.c (finish_optimization_passes): Use dump_begin
9930 and dump_end, TDI_end.
9931 (gate_rest_of_compilation): New.
9932 (pass_rest_of_compilation): Use it.
9933 (gate_postreload, pass_postreload): New.
9934 * toplev.c (general_init): Rename init_tree_optimization_passes.
9935 * toplev.h (init_tree_optimization_passes): Rename to
9936 init_optimizations_passes.
9937 * tree-dump.c (dump_flag): Make static.
9938 (dump_files): Remove RTL dumps.
9939 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
9940 pass_cleanup_cfg, pass_free_cfg_annotations,
9941 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
9942 pass_init_datastructures, pass_fixup_cfg): Make non-static.
9943 * tree-pretty-print.c: Include tree-pass.h.
9944 * cgraph.c: Include tree-dump.h.
9946 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
9948 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
9949 Only fall back to saying it points to readonly memory if
9952 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9954 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
9955 * config/m32r/m32r.c (m32r_compute_frame_size,
9956 m32r_expand_prologue): Take current_function_profile into
9957 account whenever we reference
9958 current_function_uses_pic_offset_table.
9959 (m32r_finalize_pic): Remove.
9960 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
9962 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
9964 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
9965 instead of $<. Don't remove ./as if it already exists.
9967 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9970 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
9971 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
9972 for complex modes when generating code for PA 1.0.
9973 (VALID_FP_MODE_P): New macro.
9974 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9975 sets for all general and floating point modes. Align wide floating
9976 point modes to even register boundaries to comply with architectural
9978 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
9979 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
9980 (VALID_FP_MODE_P): New macro.
9981 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
9982 sets for all general and floating point modes. Align wide floating
9983 point modes to even register boundaries to comply with architectural
9986 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9988 * tree-dump.c (dump_files): Initialize dump number for .cgraph
9991 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9993 * tree-ssa-structalias.c: Don't include expr.h.
9995 2005-07-04 Diego Novillo <dnovillo@redhat.com>
9997 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
10000 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
10002 Fix PR tree-optimization/22279
10004 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
10007 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
10009 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
10011 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
10013 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
10014 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
10015 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
10016 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
10017 config/stormy16/stormy16.c, config/v850/v850.c,
10018 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
10019 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
10020 Avoid "." or "\n" at end of diagnostics and capital letters at
10021 start of diagnostics.
10022 * combine.c, cse.c: Don't translate dump file output.
10023 * toplev.c (print_version): Only translate output if going to
10026 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
10028 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
10029 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
10032 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10034 * pa.c (fix_range): Fix typo in comment.
10036 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
10038 * tree-vrp.c (extract_range_from_assert): Replace
10039 fold (build (...)) with fold_build2.
10041 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10043 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
10044 gcc_gfc_char_table, init_dynamic_gfc_info): New.
10045 (format_types_orig, handle_format_attribute): Add support for
10048 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
10050 * varasm.c (assemble_variable): Fix format specifier thinko.
10052 2005-07-03 Ira Rosen <irar@il.ibm.com>
10054 PR tree-optimization/22029 (and 22135)
10055 * tree-pretty-print.c (dump_generic_node): Check that the node is not
10056 a phi node before calling dump_vops.
10058 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
10060 * tree-dump.h (dump_string_field): Declare.
10061 * tree-dump.c: Use it instead of dump_string.
10062 (dump_string_field): Make non-static.
10064 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
10066 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
10067 up the minimal CFG stuff always when optimize > 0. Call
10068 split_all_insns_noflow in PIC case if needed.
10070 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
10071 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
10074 * c-decl.c (c_write_global_declarations): Dump contents of
10076 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
10077 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
10078 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
10079 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
10082 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
10084 * c-common.h (GCC_DIAG_STYLE): Define.
10085 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
10086 version for format checking to 4.1.
10087 * c-format.c: Include toplev.h after c-common.h.
10088 (enum format_type): Add gcc_tdiag_format_type.
10089 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
10090 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
10091 (format_types_orig): Add gcc_tdiag.
10092 (init_dynamic_diag_info): Support gcc_tdiag formats.
10093 (handle_format_attribute): Likewise.
10094 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
10095 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
10096 version for format checking to 4.1.
10097 (warning0, warning, error, pedwarn, sorry): Use
10098 ATTRIBUTE_GCC_DIAG.
10099 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
10100 (finish_aliases_1): Do not use %qE.
10101 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
10102 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
10103 Correct format bugs.
10104 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
10105 parameter to unsigned HOST_WIDE_INT.
10106 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
10108 2005-07-02 David Edelsohn <edelsohn@gnu.org>
10110 PR middle-end/21742
10111 * expr.c (write_complex_part): Use adjust_address for MEM.
10112 (read_complex_part): Same.
10114 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
10116 Fix PR tree-optimization/22280
10118 * tree-sra.c (generate_element_init): Remove useless loop.
10120 2005-07-02 Richard Henderson <rth@redhat.com>
10122 * config/alpha/alpha.c (alpha_legitimize_address): Check for
10124 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
10126 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
10128 PR middle-end/14490
10129 * fold-const.c (fold_binary): Handle the return value of
10130 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
10131 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
10133 2005-07-02 Jeff Law <law@redhat.com>
10135 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
10136 a eliminate type conversion which feeds an equality comparison
10137 if the original type or either operand in the comparison is a
10140 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
10142 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
10143 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
10145 * config/avr/avr.c: Do not use '`' as left quote.
10146 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
10147 Remove "." from end of diagnostics. Make diagnostics start with
10150 2005-07-02 Zack Weinberg <zack@codesourcery.com>
10151 Joseph S. Myers <joseph@codesourcery.com>
10153 * toplev.c (default_tree_printer): Handle setting location with
10155 * c-objc.common.c (c_tree_printer): Likewise.
10156 * c-format.c (gcc_diag_flag_specs): Add '+'.
10157 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
10158 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
10160 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
10161 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
10162 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
10163 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
10164 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
10165 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
10166 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
10167 format arguments where %J is used without %D.
10169 2005-07-02 Jakub Jelinek <jakub@redhat.com>
10171 * gcc.c (LINK_SSP_SPEC): Define.
10172 (link_ssp_spec): New variable.
10173 (LINK_COMMAND_SPEC): Add %(link_ssp).
10174 (static_specs): Add link_ssp_spec.
10175 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
10176 * configure: Rebuilt.
10177 * config.in: Rebuilt.
10179 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10180 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10181 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10182 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10183 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
10184 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
10185 -0x7008(2) instead of reading __stack_chk_guard variable.
10186 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
10188 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
10189 (stack_protect_set, stack_protect_test): Use *_tls* patterns
10190 if TARGET_THREAD_SSP_OFFSET is defined.
10191 (stack_tls_protect_set_si, stack_tls_protect_set_di,
10192 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
10195 2005-06-27 Richard Henderson <rth@redhat.com>
10196 * libgcc-std.ver (GCC_4.1.0): New.
10197 * libgcc.h (__stack_chk_guard): Declare.
10198 (__stack_chk_fail, __stack_chk_fail_local): Declare.
10199 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
10200 * mklibgcc.in (lib2funcs): Add them.
10202 2005-07-01 Richard Henderson <rth@redhat.com>
10204 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
10205 void * before struct sigcontext *.
10206 (x86_fallback_frame_state): Likewise.
10208 2005-07-01 James E. Wilson <wilson@specifixinc.com>
10210 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
10212 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
10215 * tree-ssa-reassoc.c (should_transpose): Fix which operand
10216 we check for SSA_NAME for.
10218 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
10220 Fix PR tree-optimization/22071
10222 * tree-ssa-structalias.c (offset_overlaps_with_access): New
10224 (get_constraint_for_component_ref): Use it.
10226 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
10229 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
10230 print out the last new line.
10232 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
10234 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
10235 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
10236 * config/cris/cris.c (cris_conditional_register_usage): Adjust
10237 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
10238 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
10239 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
10240 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
10241 (enum reg_class): New member CC0_REGS.
10242 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
10243 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
10244 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
10245 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
10246 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
10247 Adjust for register now described.
10249 2005-07-01 Jakub Jelinek <jakub@redhat.com>
10252 * config/i386/i386.md (stack_protect_test_si,
10253 stack_protect_test_di): Add earlyclobber for scratch 3.
10254 * config/rs6000/rs6000.md (stack_protect_testsi,
10255 stack_protect_testdi): Add earlyclobber for scratch 3,
10256 remove earlyclobber from scratch 4.
10258 Older entries for 2005 can be found in ChangeLog-2005.