1 2005-12-02 Jakub Jelinek <jakub@redhat.com>
4 * config/i386/i386.md (movqi_1): Only force imovx for alternative
5 5 if operand 1 is not aligned. Undo previous constraint change.
6 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
8 2005-12-02 Richard Guenther <rguenther@suse.de>
10 * tree.h (build): Remove prototype.
11 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
12 * tree.c (build): Remove.
13 (build0_stat): Update comment.
15 2005-12-02 Richard Guenther <rguenther@suse.de>
17 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
18 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
20 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
21 maybe_fold_offset_to_component_ref): Likewise.
22 * tree-ssa-dom.c (thread_across_edge,
23 simplify_rhs_and_lookup_avail_expr,
24 find_equivalent_equality_comparison, record_equivalences_from_stmt):
26 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
27 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
28 lower_try_finally_switch): Likewise.
29 * tree-if-conv.c (add_to_dst_predicate_list,
30 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
31 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
32 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
33 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
34 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
35 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
36 gimplify_init_ctor_eval, gimplify_init_constructor,
37 gimplify_variable_sized_compare, gimplify_boolean_expr,
38 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
39 gimplify_expr, gimplify_body, gimplify_function_tree,
40 force_gimple_operand): Likewise.
41 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
42 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
43 mx_register_decls): Likewise.
44 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
45 get_frame_field, finalize_nesting_tree_1): Likewise.
46 * tree-inline.c (setup_one_parameter): Likewise.
47 * tree-vect-transform.c (vectorizable_condition): Likewise.
48 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
50 * tree-profile.c (tree_gen_edge_profiler): Likewise.
51 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
52 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
53 * tree-chrec.h (build_polynomial_chrec): Likewise.
55 2005-12-02 Richard Guenther <rguenther@suse.de>
57 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
58 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
59 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
60 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
61 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
62 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
63 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
65 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
66 sh_adjust_unroll_max): Likewise.
67 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
68 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
69 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
71 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
73 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
76 2005-12-02 Richard Guenther <rguenther@suse.de>
78 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
79 simplify_cond_using_ranges): Use buildN instead of build.
80 * tree-tailcall.c (adjust_accumulator_values,
81 adjust_return_value): Likewise.
82 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
83 generate_element_copy, generate_element_zero,
84 generate_one_element_init): Likewise.
85 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
86 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
87 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
88 perfect_nestify): Likewise.
90 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
92 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
94 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
96 * ggc.h (GGC_RESIZEVEC): New.
98 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
100 * gcc.c (execute): Improve readability.
102 2005-12-02 Richard Guenther <rguenther@suse.de>
104 * tree-cfg.c (mark_used_vars): New function.
105 (dump_function_to_file): Dump only used VAR_DECLs.
107 2005-12-02 Richard Guenther <rguenther@suse.de>
109 * convert.c (convert_to_integer): Fix compare for nonpositive
110 constant to use tree_int_cst_sgn <= 0.
112 2005-12-02 Richard Guenther <rguenther@suse.de>
114 * convert.c (convert_to_integer): Use fold_convert instead
115 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
116 instead of comparing against 0. Use build_int_cst instead
117 of converting integer_zero_node.
119 2005-12-02 Richard Guenther <rguenther@suse.de>
121 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
124 2005-12-02 Alan Modra <amodra@bigpond.net.au>
127 * combine.c (simplify_logical <IOR>): Simplify more patterns to
130 2005-12-02 Alan Modra <amodra@bigpond.net.au>
133 * function.c (expand_function_end): Emit blockage for unwinder
136 2005-12-01 Roger Sayle <roger@eyesopen.com>
138 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
139 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
140 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
141 integer constant comparisons.
143 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
144 Janis Johnson <janis187@us.ibm.com>
145 David Edelsohn <dje@watson.ibm.com>
146 Ben Elliston <bje@au.ibm.com>
148 * dfp.h, dfp.c: New files.
149 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
150 (DECNUM_H): Likewise.
151 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
152 (INCLUDES): Append $(DECNUMINC).
153 (OBJS-common): Add dfp.o.
155 * real.h (EXP_BITS): Pinch one bit to ..
156 (struct real_value): Add decimal field.
157 (real_format): Change table size, update documentation.
158 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
159 (real_from_string3): Declare.
160 (decimal_single_format): Declare.
161 (decimal_double_format): Declare.
162 (decimal_quad_format): Declare.
163 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
164 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
165 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
166 * real.c: Include dfp.h.
167 (normalize): Early return for decimal floats.
168 (do_add): Zero decimal field.
169 (do_compare): Call do_decimal_compare for decimal floats.
170 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
171 (real_arithmetic): Call decimal_real_arithmetic for decimal
172 floating point operands.
173 (real_identical): If a and b are of differing radix, return false.
174 (real_to_integer): Call decimal_real_to_integer if the value is a
176 (real_to_integer2): Likewise, call decimal_real_to_integer2.
177 (real_to_decimal): Likewise, call decimal_real_to_decimal.
178 (real_to_hexadecimal): Place "N/A" in the return string for
180 (real_from_string3): New variant, given a mode.
181 (real_maxval): Use decimal_real_maxval for decimal floats.
182 (round_for_format): Use decimal_round_for_format for decimals.
183 (real_convert): Use decimal_real_convert where appropriate.
184 (significand_size): Handle base 10.
185 (encode_decimal_single, decode_decimal_single,
186 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
187 decode_decimal_quad): New functions.
188 (decimal_single_format): New.
189 (decimal_double_format): New.
190 (decimal_quad_format): New.
191 * machmode.def: Add SD, DD and TD decimal floating point modes.
192 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
193 Include MODE_DECIMAL_FLOAT.
194 (DECIMAL_FLOAT_MODE_P): New.
195 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
196 * genmodes.c (struct mode_data): Add counter field.
197 (struct mode_data): Update comment for format.
198 (blank_mode): Initialise counter field.
199 (new_mode): Increment counter field for each mode defined.
200 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
202 (make_complex_modes): Handle modes containing `D'.
203 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
204 (make_decimal_float_mode): New.
205 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
206 (cmp_modes): Compare counter field if other characteristics
208 (emit_real_format_for_mode): Support formats for decimal floats.
209 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
210 Document MODE_DECIMAL_FLOAT.
212 2005-12-02 Alan Modra <amodra@bigpond.net.au>
214 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
217 2005-12-01 Richard Henderson <rth@redhat.com>
219 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
221 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
223 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
225 * config/pa/pa.c (pa_init_builtins): If we detect
226 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
229 2005-12-01 Richard Guenther <rguenther@suse.de>
231 * fold-const.c (fold_binary): Use fold_build2, not
234 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
236 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
238 * vec.h (VEC_block_remove): New.
240 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
243 * c-common.c (lvalue_error): Fix wording.
245 2005-12-01 Richard Guenther <rguenther@suse.de>
247 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
248 thinko in last patch.
250 2005-12-01 Geoffrey Keating <geoffk@apple.com>
252 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
253 than -flat_namespace.
255 2005-12-01 Ben Elliston <bje@au.ibm.com>
257 * mklibgcc.in: Parameterise the script to build soft float
258 functions by iterating over each type, rather than cloning the
261 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
264 * builtins.c (fold_builtin_fputs): Defer check for missing
265 replacement functions.
267 2005-11-30 Kean Johnston <jkj@sco.com>
269 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
270 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
272 2005-11-30 Richard Guenther <rguenther@suse.de>
274 PR tree-optimization/22501
275 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
276 function split out from ...
277 (forward_propagate_addr_expr): ... here. Use it to propagate
278 ADDR_EXPRs to all uses.
280 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
282 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
283 * builtins.c (expand_builtin_mathfn): Use them.
284 (expand_builtin_mathfn_2): Likewise.
285 (expand_builtin_mathfn_3): Likewise.
286 (expand_builtin_int_roundingfn): Likewise.
287 (expand_builtin): Likewise.
288 (integer_valued_real_p): Likewise.
289 (fold_builtin_int_roundingfn): Likewise.
290 (fold_builtin_bitop): Likewise.
291 (fold_builtin_logarithm): Likewise.
292 (fold_builtin_1): Likewise.
293 * convert.c (convert_to_integer): Likewise.
294 * fold-const.c (negate_mathfn_p): Likewise.
295 (tree_expr_nonnegative_p): Likewise.
297 2005-11-30 Dale Johannesen <dalej@apple.com>
298 Andrew Pinski <pinskia@physics.uc.edu>
300 * combine.c (find_split_point): Sign extend bitmask
301 when changing bitfield assignment to IOR of AND.
303 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
305 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
306 clobber to scratch reg.
307 (*decrement_and_branch_until_zero_no_clobber): Remove.
308 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
309 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
310 * config/ms1/ms1.opt (mmul): Remove.
311 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
312 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
314 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
315 Bernd Schmidt <bernd.schmidt@analog.com>
317 * pa/predicates.md (symbolic_operand): Add comment.
318 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
319 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
320 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
321 (pa_secondary_reload_class): Delete.
322 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
323 and pa_secondary_reload_class. Reorder some checks. Update inline
324 copy of symbolic operand.
325 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
327 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
329 * loop-doloop.c (add_test): Only add jump notes if we did emit a
332 2005-11-30 Jeff Law <law@redhat.com>
334 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
335 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
337 2005-11-30 Jakub Jelinek <jakub@redhat.com>
339 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
340 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
341 (ia64_expand_move): Adjust caller.
343 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
344 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
347 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
349 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
350 Always produce an output if we can remove NEGs or canonicalize
351 (minus (minus ...)) expressions. Provide a fast path for the
353 (simplify_gen_binary): Do not call simplify_plus_minus.
354 (simplify_binary_operation_1): Reassociate at the end of the
357 2005-11-29 Evan Cheng <evan.cheng@apple.com>
359 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
360 moves and unpack to speed up.
362 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
364 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
365 argument, they are always sparc_compare_op0 and sparc_compare_op1.
366 (gen_v9_scc): Update callers.
367 * config/sparc/sparc.md: Likewise.
368 * config/sparc/sparc-protos.h: Update extern declaration.
370 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
372 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
374 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
377 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
379 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
380 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
383 2005-11-29 Ben Elliston <bje@au.ibm.com>
385 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
388 2005-11-29 Ben Elliston <bje@au.ibm.com>
390 * Makefile.in (clean-target): Depend on clean-target-libgcc.
391 (clean-target-libgcc): Import rule from the top-level Makefile.in.
393 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
397 * builtins.c (init_target_chars): New.
398 (expand_builtin_printf, expand_builtin_fprintf,
399 expand_builtin_sprintf, fold_builtin_sprintf,
400 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
401 fold_builtin_snprintf_chk, fold_builtin_printf,
402 fold_builtin_fprintf): Check for matching format strings using
405 2005-11-29 Paul Brook <paul@codesourcery.com>
407 * config.gcc: Do not use fixproto on m68k-elf.
409 2005-11-28 Roger Sayle <roger@eyesopen.com>
411 * expmed.c (div_cost): Replace with...
412 (sdiv_cost, udiv_cost): New.
413 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
414 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
415 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
416 (expand_divmod): Replace use of div_cost with either sdiv_cost
417 or udiv_cost depending upon the signedness of the operation.
419 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
422 * config/darwin.c (machopic_indirection_name,
423 machopic_output_indirection): Follow transparent alias chain.
425 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
427 * varasm.c (ultimate_transparent_alias_target): Add comment.
429 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
431 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
432 SET_SRC instead of XEXP where appropriate.
434 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
436 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
439 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
441 * config/fp-bit.h (LSHIFT): Take shift count parameter.
442 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
445 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
447 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
448 secondary_input_reload_class, made static. Adapt to new
450 (secondary_output_reload_class): Delete.
451 (TARGET_SECONDARY_RELOAD): New macro.
452 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
453 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
455 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
458 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
459 when its natural alignment is > BITS_PER_UNIT.
460 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
461 * c-common.c (handle_packed_attribute): Ignore packing on a field
462 whose type is naturally char aligned.
464 2005-11-28 Richard Guenther <rguenther@suse.de>
466 * c-common.c (strict_aliasing_warning): Handle all
467 component-ref like accesses.
469 2005-11-28 Roger Sayle <roger@eyesopen.com>
470 Uros Bizjak <uros@kss-loka.si>
473 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
474 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
475 when flag_unsafe_math_optimizations is set and
476 we don't care about NaNs or Infinities.
478 Move x/expN(y) and x/pow(y,z) transformation into common
479 flag_unsafe_math_optimizations section.
481 2005-11-27 Mark Mitchell <mark@codesourcery.com>
483 * gcc.c (main): Change type of argv to "char **".
485 2005-11-28 Alan Modra <amodra@bigpond.net.au>
487 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
489 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
490 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
491 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
492 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
493 output locals to sbss if !rs6000_elf_in_small_data_p.
494 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
496 2005-11-28 Alan Modra <amodra@bigpond.net.au>
499 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
501 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
502 indexed_or_indirect_address.
503 (indexed_or_indirect_address): Don't test for base reg. Call
504 address_operand last. Make it a special predicate.
506 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
508 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
510 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
513 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
515 (negate_expr): Likewise.
517 2005-11-27 Andreas Schwab <schwab@suse.de>
519 * config/m68k/m68k.c: Reindent and fix whitespace, remove
522 2005-11-27 Steven Bosscher <stevenb@suse.de>
524 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
525 has EH predecessor edges.
527 2005-11-26 Eric Christopher <echristo@apple.com>
529 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
530 register stalls by zero extending to the full register.
532 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
534 * config/floatunsisf.c, config/floatunsidf.c,
535 config/floatunsixf.c, config/floatunsitf.c: New files.
536 * config/ia64/t-hpux: Add floatunsitf.c.
537 * config/ia64/ia64.c (ia64_init_libfuncs): Use
538 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
540 2005-11-26 Richard Henderson <rth@redhat.com>
542 * c-lex.c (pragma_lex): Rename from c_lex.
543 * c-pch.c: Update for pragma_lex rename.
544 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
545 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
546 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
547 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
548 * doc/tm.texi: Likewise.
550 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
553 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
554 when overflow is undefined.
556 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
558 * doc/md.texi (Insn Canonicalizations): Refer to the
559 function commutative_operand_precedence for further rules.
561 2005-11-25 Roger Sayle <roger@eyesopen.com>
564 * expmed.c (choose_mult_variant): Return immediately when mult_cost
565 is less than zero. Limit mult_cost to a reasonable upper bound for
566 the synthetic multiplication sequence.
568 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
571 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
572 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
573 Lookup the explicit replacement functions for any unlocked
574 stdio builtin transformations.
576 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
578 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
580 * targhooks.c (default_secondary_reload): Don't require operand 2
581 for an input reload to be earlyclobber.
583 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
585 * fold-const.c (negate_mathfn_p): Fix comment and add support
586 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
589 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
592 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
593 _Q_ulltoq for unsigned conversions from SImode and DImode to
596 2005-11-25 Alan Modra <amodra@bigpond.net.au>
598 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
599 (__floatundidf, __floatundisf): Likewise.
601 2005-11-25 David Edelsohn <edelsohn@gnu.org>
603 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
604 (rs6000_override_options): Remove initialization of
606 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
607 (rs6000_emit_stack_tie): Same.
608 (emit_frame_save): Same.
609 (gen_frame_mem_offset): Same.
610 (rs6000_emit_prologue): Same.
611 (rs6000_emit_epilogue): Same.
613 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
616 * fold-const.c (fold_build): Convert bool_var != 1 and
617 bool_var == 0 to !bool_var.
619 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
622 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
623 for C being INTEGER_CST. Likewise for !=.
625 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
628 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
629 unsigned conversions from SImode to TFmode.
631 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
633 * expr.c (expand_expr_real_1): Fix error in last change.
635 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
637 * caller-save.c: (this_insn_sets): Move into:
638 (save_call_clobbered_regs).
639 (mark_set_regs): Get this_insn_sets from data.
641 (save_call_clobbered_regs): Take sets of the return value by
642 sibcalls into account.
644 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
647 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
648 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
649 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
650 (memory_move_secondary_cost, init_reg_autoinc): Remove
651 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
652 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
653 secondary_reload_class call.
654 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
656 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
657 (push_secondary_reload): Use secondary_reload target hook.
658 (secondary_reload_class, scratch_reload_class): New functions.
659 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
660 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
661 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
662 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
663 (secondary_reload_class, scratch_reload_class): Declare.
664 * reload1.c: Include target.h.
665 (reload_adjust_reg_for_temp): New function.
666 (reload_adjust_reg_for_icode): Likewise.
667 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
668 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
670 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
671 for inheritance. Support case when both secondary & tertiary reloads
672 are for intermediate registers.
673 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
674 with secondary_reload_class call. Support case when both secondary
675 & tertiary reloads are for intermediate registers.
676 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
677 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
678 * target.h (secondary_reload_info): New struct / typedef.
679 (struct gcc_target): New member secondary_reload.
680 * targhooks.c Include reload.h, optabs.h and recog.h.
681 (default_secondary_reload): New function.
682 * targhooks.h (default_secondary_reload): Declare.
683 * doc/tm.texi: Document secondary_reload target hook. Update
684 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
685 * doc/md.texi: Likewise.
687 * sh-protos.h (sh_secondary_reload): Declare.
688 * sh.c (TARGET_SECONDARY_RELOAD): Override.
689 (sh_secondary_reload): New function.
690 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
691 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
692 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
693 (HAVE_SECONDARY_RELOADS): Define.
694 * sh.md (reload_indf): Rename to:
696 (reload_outdf): Rename to:
697 (reload_outdf__RnFRm).
698 (reload_insf): Rename to:
700 (reload_insi): Rename to:
701 (reload_insi__i_fpul).
703 2005-11-24 Uros Bizjak <uros@kss-loka.si>
705 * configure.ac: Require at least texinfo 4.4.
706 * configure: Regenerate.
708 * doc/install.texi (Tools/packages necessary for building GCC):
709 Update required version of texinfo to at least 4.4.
710 (Installing GCC: Building): Update required version of texinfo
712 (Installing GCC: Final installation): Update required version
713 of texi2dvi to at least 4.4.
714 (Host/target specific installation notes for GCC): Update required
715 version of texinfo to at least 4.4.
717 2005-11-24 Richard Guenther <rguenther@suse.de>
718 Dirk Mueller <dmueller@suse.de>
721 * c-common.h (strict_aliasing_warning): Declare.
722 * c-common.c (strict_aliasing_warning): New function,
724 * c-typeck.c (build_c_cast): ... here.
726 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
728 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
730 (swap_commutative_operands_with_target): New.
732 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
734 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
735 also when doing PRE, rather than only for global CPROP.
737 2005-11-24 Ben Elliston <bje@au.ibm.com>
739 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
740 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
742 (expand_twoval_unop): Likewise.
743 (widen_clz): Likewise.
744 (expand_parity): Likewise.
745 (expand_unop): Likewise.
746 (emit_cmp_and_jmp_insn_1): Likewise.
747 (prepare_float_lib_cmp): Likewise.
749 2005-11-24 Ben Elliston <bje@au.ibm.com>
751 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
752 Remove unused `class' variable.
754 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
757 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
758 C/C++ diagnostic function warn_array_subscript_with_type_char.
759 * c-common.h (warn_array_subscript_with_type_char): Declare.
760 * c-common.c (warn_array_subscript_with_type_char): Define.
762 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
765 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
766 compiling at the intersection of C and C++.
768 2005-11-23 Mark Mitchell <mark@codesourcery.com>
770 * doc/invoke.texi: For man pages, include gcc-vers.texi.
771 List @file in the option summary. Include the libiberty
772 documentation for @file.
773 * gcc.c (main): Call expandargv.
774 * Makefile.in (gcc-vers.texi): Define srcdir.
776 2005-11-23 Diego Novillo <dnovillo@redhat.com>
778 * passes.c (init_optimization_passes): Document
779 sequencing of passes.
781 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
783 * config/m68k/predicates.md (pcrel_address, extend_operator,
784 post_inc_operand, pre_dec_operand): Remove redundant
786 (const_uint32_operand, const_sint32_operand): Use gcc_assert
788 (valid_dbcc_comparison_p): Rewrite in the lisp style.
790 2005-11-23 Ben Elliston <bje@au.ibm.com>
792 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
794 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
796 Preparatory work for PR target/21623:
797 * alpha.c (secondary_reload_class): Rename to:
798 (alpha_secondary_reload_class).
799 * alpha.h, alpha-protos.h: Likewise.
800 * mn10300.c (secondary_reload_class): Rename to:
801 (mn10300_secondary_reload_class).
802 * mn10300.h, mn10300-protos.h: Likewise.
803 * pa.c (secondary_reload_class): Rename to:
804 (pa_secondary_reload_class).
805 * pa.h, pa-protos.h: Likewise.
806 * rs6000.c (secondary_reload_class): Rename to:
807 rs6000_secondary_reload_class.
808 * rs6000.h, rs6000-protos.h: Likewise.
810 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
813 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
815 2005-11-22 Ian Lance Taylor <ian@airs.com>
817 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
819 (prepare_cmp_insn): Likewise.
821 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
824 * m68k.md (zero_extendsidi2): Force operands[1] to a register
825 if both operands[0] and operands[1] are memory.
827 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
830 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
831 COMPARISON_CLASS_P and an integral types create create a new
832 expression with the new type and fold that.
834 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
837 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
838 to SUBTARGET_OS_CPP_BUILTINS.
840 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
842 * arm.c (emit_set_insn): New function.
843 (arm_split_constant): Call it.
844 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
845 (arm_legitimize_address): Likewise. Use plus_constant.
846 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
847 (thumb_expand_prologue): Likewise.
848 (arm_gen_load_multiple): Use VOIDmode in SET.
849 (arm_gen_store_multiple): Likewise.
850 (vfp_emit_fstmx): Likewise. Use plus_constant.
851 (emit_multi_reg_push): Likewise.
852 (emit_sfm): Use plus_constant.
854 2005-11-23 Alan Modra <amodra@bigpond.net.au>
857 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
860 2005-11-22 Alan Modra <amodra@bigpond.net.au>
863 * expmed.c (store_bit_field): Don't attempt to insv a field
866 2005-11-22 Alan Modra <amodra@bigpond.net.au>
869 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
870 explicit sign extension, not a (char) cast.
872 2005-11-22 Ben Elliston <bje@au.ibm.com>
874 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
875 GET_MODE_CLASS (x) == MODE_FLOAT.
876 * config/i386/i386.c: Likewise.
877 * config/rs6000/xcoff.h: Likewise.
878 * config/rs6000/linux64.h: Likewise.
879 * config/rs6000/rs6000.c: Likewise.
880 * config/rs6000/rs6000.h: Likewise.
881 * config/rs6000/predicates.md: Likewise.
882 * config/rs6000/sysv4.h: Likewise.
884 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
886 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
889 * config/alpha/freebsd.h, config/alpha/linux.h,
890 config/arm/linux-elf.h, config/bfin/bfin.h,
891 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
892 config/i386/beos-elf.h, config/i386/gnu.h,
893 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
894 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
895 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
896 config/rs6000/linux64.h, config/rs6000/sysv4.h,
897 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
898 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
899 config/sparc/linux.h, config/sparc/linux64.h,
900 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
902 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
903 are both defined when either flag -fpic or -fPIC are used.
905 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
907 * config/fp-bit.c (clzusi): New function.
908 (si_to_float, usi_to_float): Use it to compute proper shift.
909 (usi_to_float): Preserve guard bits when shifting right.
910 * libgcc-std.ver (GCC_4.2.0): New version.
911 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
912 __floatundisf): New functions.
913 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
914 __floatundisf): Declare.
915 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
916 _floatundixf, and _floatunditf.
917 * optabs.c (expand_float): If target does not define a pattern for
918 signed or unsigned conversion, use an unsigned libcall instead of
920 (init_optabs): Initialize ufloat_optab.
922 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
924 * config/rs6000/rs6000.opt (mmulhw): New option.
925 * doc/invoke.texi (-mmulhw): Document.
926 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
928 * config/rs6000/rs6000.md: Add half-word multiply and
929 multiply-accumulate instructions for 405 and 440.
931 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
933 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
934 which matches behavior of gcc 4.0 and older for RTEMS targets. The
935 default now includes a linker group which makes the RTEMS one nest.
937 2005-11-22 Ben Elliston <bje@au.ibm.com>
939 * cse.c (fold_rtx): Typo fix.
940 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
942 2005-11-21 Richard Henderson <rth@redhat.com>
944 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
945 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
947 * c-tree.h (lookup_name): Move declaration ...
948 * c-common.h (lookup_name): ... here.
949 * config/darwin-c.c: Include c-common.h.
950 * config/t-darwin: Update dependencies.
952 2005-11-22 Ben Elliston <bje@au.ibm.com>
954 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
955 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
956 * genopinit.c (gen_insn): Likewise.
957 * reload.c (find_equiv_reg): Likewise.
958 * loop.c (load_mems): Likewise.
959 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
960 * cse.c (find_comparison_args, fold_rtx): Likewise.
961 * dwarf2out.c (add_const_value_attribute): Likewise.
962 * expr.c (convert_move): Likewise.
963 * recog.c (general_operand, register_operand): Likewise.
964 * reg-stack.c (replace_reg): Likewise.
965 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
966 * c-common.c (handle_vector_size_attribute): Likewise.
967 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
968 (simplify_binary_operation_1): Likewise.
969 (simplify_const_binary_operation): Likewise.
970 (simplify_relational_operation): Likewise.
971 (simplify_const_relational_operation): Likewise.
972 (simplify_immed_subreg): Likewise.
973 * emit-rtl.c (gen_lowpart_common): Likewise.
974 * expmed.c (expand_mult): Likewise.
975 * stor-layout.c (layout_type): Likewise.
977 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
980 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
981 cst2 only for SPE vectors.
983 2005-11-21 David Edelsohn <edelsohn@gnu.org>
986 * config/rs6000/predicates.md (vrsave_operation): Check
987 UNSPEC_VOLATILE value.
989 2005-11-21 Jan Hubicka <jh@suse.cz>
991 PR tree-optimization/24653
992 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
994 2005-11-21 Uros Bizjak <uros@kss-loka.si>
996 * config/i386/predicates.md (ax_reg_operand): New predicate.
997 (memory_displacement_only_operand): New predicate.
998 * config/i386/i386.md ("modrm" attribute): Return 0 if one
999 operand is AX register and the other operand is memory operand
1000 with displacement only.
1002 2005-11-21 Uros Bizjak <uros@kss-loka.si>
1004 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
1005 if we don't care about NaNs or Infinities.
1007 2005-11-20 Ian Lance Taylor <ian@airs.com>
1009 PR rtl-optimization/24883
1010 * combine.c (combinable_i3pat): When checking whether the
1011 destination of i3 is used in i3, consider paradoxical subregs.
1013 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
1016 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
1018 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
1020 * combine.c (try_combine): Do not run subst on i1src and i2src in
1021 the case of generating a PARALLEL for a comparison.
1023 2005-11-20 Richard Henderson <rth@redhat.com>
1026 * tree-sra.c (struct sra_elt): Add all_no_warning.
1027 (struct sra_walk_fns) <use>: Add use_all argument.
1028 (sra_walk_expr): Pass it.
1029 (sra_walk_modify_expr): Likewise.
1030 (scalarize_ldst): Likewise.
1031 (scan_use): Update for new argument.
1032 (mark_no_warning): New.
1033 (scalarize_use): Use it.
1035 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1037 * expr.c (expand_expr_real): Use usmul_optab for widening
1038 signed * unsigned multiplies.
1039 * genopinit.c (optabs): Add usmul_widen_optab.
1040 * optabs.c (init_optabs): Likewise.
1041 * optabs.h (enum optab_index): Add OTI_usmul_widen.
1042 (usmul_widen_optab): Define.
1043 * config/bfin/bfin.md (usmulhisi3): New pattern.
1045 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
1047 2005-11-20 Graham Stott <btinternet.com>
1049 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
1051 2005-11-20 Andreas Schwab <schwab@suse.de>
1054 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
1057 2005-11-19 Richard Henderson <rth@redhat.com>
1060 * tree-gimple.c (is_gimple_id): Export.
1061 * tree-gimple.h (is_gimple_id): Declare.
1062 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
1063 (get_default_value): Use it.
1064 (maybe_fold_stmt_indirect): Likewise.
1066 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
1068 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
1069 than VR1 or vice-versa.
1071 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
1075 * reload.c (find_reloads_address_1): Mention dependency on
1077 * reload1.c (gen_reload): For IN with an unary operation, try
1078 moving inner expression to OUT if trivial SET is not valid.
1079 Confirm that the result is valid. Move common code block into...
1080 (emit_insn_if_valid_for_reload): New function.
1082 2005-11-19 Richard Guenther <rguenther@suse.de>
1084 * fold-const.c (fold_indirect_ref_1): Make sure we fold
1085 ARRAY_REFs of constant strings.
1087 2005-11-19 Jakub Jelinek <jakub@redhat.com>
1089 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
1090 fatal format string.
1092 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
1094 * combine.c (make_compound_operation): Swap operands of
1095 commutative operation if necessary before returning.
1097 2005-11-19 Richard Guenther <rguenther@suse.de>
1100 * fold-const.c (fold_plusminus_mult_expr): New function.
1101 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
1102 cases, remove now unnecessary code.
1104 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
1106 * gensupport.c (old_preds): Rename to std_preds, add special field.
1107 (struct old_pred_table): Rename to struct std_pred_table, add special
1109 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
1110 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
1111 (init_predicate_table): Adjust, and set along the way whether a
1112 predicate is special.
1114 2005-11-18 Mark Mitchell <mark@codesourcery.com>
1116 * BASE-VER: Change to 4.2.0.
1118 2005-11-18 James E Wilson <wilson@specifix.com>
1120 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
1123 2005-11-18 Mike Stump <mrs@apple.com>
1125 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
1126 * config/darwin-c.c (darwin_pragma_unused): Likewise.
1127 * c-decl.c (lookup_name_two) Remove.
1128 * c-tree.h (lookup_name_two): Remove.
1129 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
1130 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
1131 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
1132 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
1134 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
1137 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
1138 when not generating code to use that co-processor.
1140 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
1142 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
1143 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
1144 these functions are now in tree-phinodes.c.
1146 2005-11-18 Jie Zhang <jie.zhang@analog.com>
1148 * config/bfin/bfin.md (trap): New pattern.
1150 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1152 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
1155 * expr.c (expand_expr_real): Don't call record_block_change unless
1156 ib_boundaries_block is non-null
1158 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
1160 * fold-const.c (build_range_check): Use proper type for subtraction
1161 when merging lower bound.
1163 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
1165 PR rtl-optimization/24497
1166 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
1169 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
1171 * tree-scalar-evolution.c (expression_expensive_p): New function.
1172 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
1174 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
1176 * config/bfin/crtlibid.s: New file.
1178 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1181 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
1182 when not using sjlj exceptions.
1183 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
1184 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1185 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
1186 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
1187 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
1188 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
1189 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
1190 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
1191 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
1192 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
1193 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
1194 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
1195 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
1197 * config/pa/hpux-unwind.h: New file.
1199 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
1201 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
1202 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
1203 * varasm.c (do_assemble_alias): Adjust call.
1204 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
1206 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
1208 2005-11-17 James E Wilson <wilson@specifix.com>
1210 * tree.def (FUNCTION_DECL): Correct typo in comment.
1212 2005-11-17 Richard Henderson <rth@redhat.com>
1214 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
1215 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
1216 and DW_CFA_def_cfa_sf.
1217 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
1218 (dbx_reg_number): Don't assert particular registers here.
1219 (based_loc_descr): ... do it here instead. Fold in ...
1220 (eliminate_reg_to_offset): ... this function.
1221 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
1222 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
1223 * unwind-dw2.c (execute_cfa_program): Apply data align factor
1224 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
1225 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
1226 (instantiate_virtual_regs): Likewise.
1227 * var-tracking.c (adjust_stack_reference): Likewise.
1228 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
1230 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
1232 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
1233 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
1234 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
1236 ($(T)crtlibid.o): New rule.
1238 2005-11-16 Richard Guenther <rguenther@suse.de>
1241 * fold-const.c (extract_array_ref): Return byte offset
1243 (fold_binary): Fold &x[a] CMP &x[b] to
1244 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
1247 2005-11-16 Richard Henderson <rth@redhat.com>
1250 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
1251 parts of an SSA_NAME.
1253 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
1256 * arm.md (split for movsf with immediate): Restrict split to insns
1257 that set a general register.
1259 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1261 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
1263 * unwind-dw2.c (uw_advance_context): Likewise.
1264 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
1265 _Unwind_SjLj_Unregister.
1266 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
1268 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1270 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
1272 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1274 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
1275 langhook to get a DImode integer type.
1277 2005-11-16 Richard Henderson <rth@redhat.com>
1278 J"orn Rennecke <joern.rennecke@st.com>
1279 Ulrich Weigand <uweigand@de.ibm.com>
1283 * reload1.c (reg_equiv_invariant): New.
1284 (reload): Allocate, initialize, and free it.
1285 (calculate_needs_all_insns): Check it when skipping equivalence
1287 (alter_reg): Likewise.
1288 (eliminate_regs_1): Rename from eliminate_regs. Add new
1289 may_use_invariant argument; only use reg_equiv_invariant when true.
1290 (eliminate_regs): New.
1291 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
1292 a context for which may_use_invariant may be true.
1294 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1296 * fold-const.c (const_binop): Don't constant fold the operation
1297 if the result has overflowed and flag_trapping_math.
1298 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
1300 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1302 * config/arm/unwind-arm.c (abort): Add prototype here.
1303 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
1304 (struct phase1_vrs): Add prev_sp.
1305 (unwind_phase2_forced): Save the original core registers instead of
1306 modifying entry_vrs. Take a new flag argument for resuming unwinding
1307 and set action flags accordingly. Always set _US_END_OF_STACK when
1308 get_eit_entry fails. Unwind before calling the stop function.
1309 (_Unwind_GetCFA): New function.
1310 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
1311 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
1312 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
1313 just call unwind_phase2_forced.
1314 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
1315 * config/arm/unwind-arm.h (abort): Remove prototype.
1316 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
1318 (_Unwind_GetCFA): New prototype.
1319 * config/arm/pr-support.c (abort): Add prototype here.
1320 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
1322 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
1323 not schedule the prologue with non-call exceptions and EABI.
1325 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
1327 * config/arm/unwind-arm.h: Reorder interface function declarations.
1328 (_URC_END_OF_STACK): New enumeration value.
1329 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
1330 (struct _Unwind_Control_Block): Document reserved field use.
1331 (_Unwind_Stop_Fn): New typedef.
1332 (_Unwind_ForcedUnwind): Declare.
1333 (_Unwind_Resume_or_Rethrow): Declare.
1334 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
1336 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
1337 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
1338 (UCB_FORCED_STOP_ARG): New.
1339 (search_EIT_table): Update boundary condition checks.
1340 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
1341 (unwind_phase2): Replace for with do..while.
1342 (unwind_phase2_forced): New.
1343 (__gnu_Unwind_RaiseException): Replace for with do..while.
1344 (__gnu_Unwind_ForcedUnwind): New.
1345 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
1346 Use appropriate phase2 unwinder.
1347 (__gnu_Unwind_Resume_or_Rethrow): New.
1348 (__gnu_unwind_pr_common): Cope with forced unwinding.
1350 2005-11-16 David Edelsohn <edelsohn@gnu.org>
1353 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
1355 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
1356 roundsf2): Remove "s" from mnemonic.
1358 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
1360 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
1362 * config/bfin/crtn.s: Change epilogues to match.
1363 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
1364 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
1365 __PIC__ and __pic__.
1367 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
1370 * doc/invoke.texi: Distinguish between free and fixed form instead of
1371 Fortran and Fortran 90/95. Remove ratfor from the list of supported
1373 * gcc.c (default_compilers): Remove double entries, add entries for
1374 suffixes '.F90' and '.F95'.
1376 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1378 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
1379 in the stack probing loop.
1381 2005-11-15 David Edelsohn <edelsohn@gnu.org>
1383 * configure.ac: Use .machine power5 not power5x.
1384 * configure: Regenerate.
1386 2005-11-15 Mike Stump <mrs@apple.com>
1388 * c-decl.c (lookup_name_two): Add.
1389 * c-tree.h (lookup_name_two): Likewise.
1390 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
1391 * config/darwin-c.c (darwin_pragma_unused): Likewise.
1393 2005-11-16 Alan Modra <amodra@bigpond.net.au>
1395 PR rtl-optimization/23392
1396 * regrename.c (enum scan_actions) Add mark_access.
1397 (scan_actions_name): Ditto.
1398 (scan_rtx_reg): Handle mark_access.
1399 (scan_rtx_address): Do nothing for mark_access.
1400 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
1401 and regs in REG_INC notes before closing chains for dead regs.
1402 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
1403 opening chains for new writes.
1405 2005-11-15 David Edelsohn <edelsohn@gnu.org>
1407 * c.opt (ffixed-line-length-none): New.
1409 2005-11-15 Steve Ellcey <sje@cup.hp.com>
1411 * mklibgcc.in: Change contents of eh_dummy.c.
1413 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
1415 * loop.c (scan_loop): Do not insert temporaries for hard registers.
1417 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
1419 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
1421 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
1423 2005-11-15 Jan Hubicka <jh@suse.cz>
1425 * invoke.texi (large-unit-insns): Document.
1426 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
1427 * params.def (large-unit-insns): New param.
1429 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
1432 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
1433 special register for operand 3. Reindent constraints to align
1436 2005-11-14 David Edelsohn <edelsohn@gnu.org>
1438 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
1439 -mpopcntb, -mfprnd. Add -mcpu=power5+.
1440 * configure.ac: Add test for FP rounding instructions.
1441 * configure: Regenerate.
1442 * config.in: Regenerate.
1443 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1444 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
1446 * config/rs6000/rs6000.opt (mfprnd): New.
1447 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
1448 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
1449 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
1450 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
1451 (TARGET_FPRND): New.
1452 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
1454 (btrunc<mode>2): New.
1456 (floor<mode>2): New.
1457 (round<mode>2): New.
1459 2005-11-14 Geoffrey Keating <geoffk@apple.com>
1461 * gcc.c (version_compare_spec_function): Use fatal() rather than
1464 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
1465 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
1466 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
1468 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
1471 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
1472 on -mmacosx-version-min setting.
1474 2005-11-14 Diego Novillo <dnovillo@redhat.com>
1477 * tree-vrp.c (infer_value_range): Return false if STMT is a
1478 block terminator and its basic block has no successors.
1480 2005-11-14 Mike Stump <mrs@apple.com>
1482 * config/i386/i386.c (override_options): -masm=intel isn't
1483 supported on darwin.
1484 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1486 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
1488 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
1489 vfork after including auto-host.h.
1491 2005-11-15 Alan Modra <amodra@bigpond.net.au>
1493 PR rtl-optimization/22002
1494 * combine.c (distribute_notes): Detect cases where a reg dies
1495 two or more times in a bb, including on the insn we are combining,
1496 and place the death note on the correct range.
1498 2005-11-14 Dale Johannesen <dalej@apple.com>
1500 * expmed.c (store_bit_field): Add offset unconditionally for
1502 (extract_bit_field): Don't force extzv or extv operand into
1503 a register if field is too big.
1505 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1507 * config/arm/arm.c (pic_labelno): New.
1508 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
1509 LABEL_REF. Pass only the labelno to PIC insns.
1510 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1511 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
1512 * arm.md (UNSPEC_PIC_LABEL): New constant.
1513 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
1514 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
1515 Use the correct label prefix.
1517 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1519 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
1522 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
1524 * loop-invariant.c: Include tm_p.h.
1525 * Makefile.in: Updated.
1527 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1529 * pa.c (store_reg): Revise generation of frame notes in large frames.
1530 (set_reg_plus_d): Likewise.
1532 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
1534 PR tree-optimization/24709
1535 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
1538 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
1540 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
1541 and duplicate declaration of pthread_self.
1543 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
1544 Ian Lance Taylor <ian@airs.com>
1547 * calls.c (expand_call): If TARGET is a MEM and some part of the
1548 argument area has been saved, force TARGET to a register.
1550 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
1552 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
1555 2005-11-13 Jason Merrill <jason@redhat.com>
1558 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
1559 lazily declared methods.
1560 (force_decl_die): Stop if forcing out the context already make a
1562 (force_type_die): Likewise.
1564 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
1567 * builtins.c (integer_valued_real_p): Add break in
1568 REAL_CST having TREE_OVERFLOW set.
1570 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
1572 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
1573 addressing modes during calculation of costs.
1575 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
1577 * function.c (assign_stack_local_1): Restrict sanity check
1578 on frame size overflow to 32-bit and above platforms.
1580 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1582 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1583 * config/cris/cris.c: Include reload.h.
1584 (cris_initial_elimination_offset): New function.
1585 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
1588 2005-11-12 Richard Guenther <rguenther@suse.de>
1590 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
1592 2005-11-12 Jan Hubicka <jh@suse.cz>
1594 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
1595 to compare against 0 when possible.
1597 2005-11-12 Jie Zhang <jie.zhang@analog.com>
1599 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
1600 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1601 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
1602 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
1605 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1607 * recog.c (constrain_operands) <case 'g'>: For a match, require
1608 that a non-register matches general_operand when strict >= 0.
1610 2005-11-11 Steven Bosscher <stevenb@suse.de>
1612 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
1615 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1617 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
1618 (memory_address_same): New.
1619 (dse_optimize_stmt): Call memory_address_same.
1621 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1624 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
1625 ZERO_EXTEND>: New cases.
1627 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1629 * longlong.h (__clz_tab): Always provide.
1631 2005-11-11 Steven Bosscher <stevenb@suse.de>
1634 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
1636 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
1637 before check_maybe_invariant.
1638 (move_invariant_reg): Use gen_move_insn instead of replacing
1639 SET_DEST with the temporary for the invariant.
1640 (move_loop_invariants): If checking is enabled, do internal
1641 consistency checks after completing the pass.
1643 2005-11-11 David Edelsohn <edelsohn@gnu.org>
1646 * common.opt (Wvolatile-register-var): New.
1647 * varasm.c (make_decl_rtl): Only emit warning when option
1648 specified. Clarify warning message.
1649 * doc/invoke.texi (Wvolatile-register-var): Document new option.
1651 * doc/md.texi (copysign): Document standard named pattern.
1653 2005-11-11 Jie Zhang <jie.zhang@analog.com>
1655 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
1656 bytes when align is 2.
1657 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
1658 by the first instruction of the loop.
1660 2005-11-11 Jason Merrill <jason@redhat.com>
1663 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
1666 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1668 PR rtl-optimization/22509
1669 * local-alloc.c (memref_used_between_p): Check whether a function call
1670 could not reference the memref.
1672 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
1674 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
1675 algorithm so as to choose the best, not the worst, alternative.
1676 Reset accumulated register class before processing next alternative.
1678 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
1681 * calls.c (expand_call): Copy a return value to a plain register
1684 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
1687 * varasm.c (assemble_name): Recompute name only for transparent
1690 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
1692 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
1694 2005-11-04 Jeff Law <law@redhat.com>
1697 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
1698 perform reassociation if the parent statement will not die as
1699 a result of the optimization.
1701 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
1703 * tree-ssa-alias.c (compute_may_aliases): Remove call to
1704 delete_old_heap_vars.
1705 * tree-dfa.c (referenced_var_remove): Remove function.
1706 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
1707 (delete_tree_ssa): Remove call to delete_old_heapvars.
1708 Add call to delete_alias_heapvars.
1709 * tree-flow.h (referenced_var_remove): Remove prototype
1710 (init_alias_heapvars): New prototype.
1711 (delete_alias_heapvars): Ditto.
1712 * Makefile.in (tree-ssa-structalias.o): Add
1713 gt-tree-ssa-structalias.o
1714 (GTFILES): Add tree-ssa-structalias.h and
1715 tree-ssa-structalias.c.
1716 (s-gtype): Add gt-tree-ssa-structalias.h.
1717 * tree-ssa-structalias.c (heapvars): Remove.
1718 (oldheapvars): Remove.
1719 (heapvar_for_stmt): New variable.
1720 (heapvar_lookup): New function.
1721 (heapvar_insert): Ditto.
1722 (get_constraint_for): See if we have an old heapvar
1724 (init_alias_heapvars): New function.
1725 (delete_alias_heapvars): Ditto.
1726 Add include of gt-tree-ssa-structalias.h.
1728 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1731 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
1733 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
1735 * tree.c (int_fits_type_p): Only look at the base type
1736 if it has the same precision as the original type.
1738 2005-11-10 Jakub Jelinek <jakub@redhat.com>
1741 * varasm.c (assemble_alias): Use %q+D in the error
1742 message instead of %J and %qD.
1744 2005-11-10 Richard Guenther <rguenther@suse.de>
1746 * gcse.c (free_ldst_entry): Only free hashtable if
1749 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1751 * function.c (assign_stack_local_1): Issue an error message if
1752 the frame size overflows in the signed target arithmetics.
1754 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1756 * tree.c (build_qualified_type): Chain the new type to the original
1757 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1758 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1759 (build_pointer_type_for_mode): Only return unqualified types.
1760 (build_reference_type_for_mode): Likewise.
1762 2005-11-09 Jakub Jelinek <jakub@redhat.com>
1764 * Makefile.in (gnucompare): Do comparison of all files using one of
1765 the chosen methods and only afterwards decide if just warning should
1766 be issued or comparison failure raised.
1768 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1770 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
1771 (noce_try_abs): Negate if the comparison is reversed.
1772 Look only one instruction backwards for a REG_EQUAL note.
1774 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1777 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
1778 gthr-tpf.h: Define __gthrw. For all identifiers that might
1779 be weak, introduce weakrefs or non-weak aliases with __gthrw,
1780 and prefix all uses with __ghtrw.
1782 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1785 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
1786 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
1787 * c-common.c (handle_weakref_attribute): New.
1788 (c_common_attribute_table): Add weakref.
1789 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
1791 * configure, config.in: Rebuilt.
1792 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
1793 * doc/extend.texi: Document weakref attribute.
1794 * varasm.c (ultimate_transparent_alias_target): New
1795 (assemble_name): Use it.
1796 (weak_finish_1): Split out of...
1797 (weak_finish): ... and deal with weakrefs in...
1798 (weakref_targets): ... new list.
1799 (globalize_decl): Clean up weakref_targets.
1800 (do_assemble_alias): Handle weakrefs.
1801 (finish_aliases_1): Do not reject weakrefs to external symbols.
1802 (assemble_alias): Handle weakrefs.
1804 2005-11-09 Richard Guenther <rguenther@suse.de>
1806 PR tree-optimization/24716
1807 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
1808 t_bool to track results from follow_ssa_edge.
1810 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1812 * final.c (force_source_line): New global variable.
1813 (final_scan_insn): Set it to true instead of clearing last_filename.
1814 (notice_source_line): Return true if force_source_line is true,
1815 unless source info is absent.
1817 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
1820 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
1821 a linkage name for a variable if it a register variable.
1822 * c-decl.c (grokdeclarator): Global register variables
1823 should be set as PUBLIC.
1825 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1828 * config/s390/s390.c (struct s390_frame_layout): New fields
1829 first_save_gpr_slot and last_save_gpr_slot.
1830 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
1831 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
1832 first_save_gpr and last_save_gpr with the _slot variants.
1833 (s390_register_info): Calculate first_save_gpr_slot and
1834 last_save_gpr_slot using regs_ever_live.
1836 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1839 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
1840 for a function containing a landing pad.
1842 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1845 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
1848 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
1850 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
1851 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
1853 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
1856 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
1858 (call,load,store): New insn types.
1859 (mem_access, branch_access): Adjust reservation conditions.
1860 (define_delay): Adjust condition.
1861 (decrement_and_branch_until_zero): Allow for ms2. Set branch
1863 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
1864 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
1866 (call_internal, call_value_internal, return_internal,
1867 return_interrupt_internal, eh_return_internal, indirect_jump,
1868 tablejump): Set call insn type.
1869 (blockage, ei, di): Use appropriate unspec const.
1870 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
1871 (ms1_get_attr_type): Adjust to give load & store types.
1872 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
1873 backwards past a barrier.
1874 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
1876 (struct branch_info, struct label_info): New.
1878 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
1879 (ms1_machine_reorg): New.
1880 (TARGET_MACHINE_DEPENDENT_REORG): Override.
1881 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
1882 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
1883 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
1886 2005-11-09 Per Bothner <per@bothner.com>
1887 Uros Bizjak <uros@kss-loka.si>
1890 * toplev.c (process_options): Initialize debug_hooks early
1891 in case lang_hooks.post_options ends up calling a debug_hook.
1893 2005-11-08 Jakub Jelinek <jakub@redhat.com>
1895 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
1896 DBX_REGISTER_NUMBER being contiguous.
1898 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
1899 Diego Novillo <dnovillo@redhat.com>
1902 * tree-vrp.c (register_edge_assert_for): Do not register
1903 always-false predicates.
1905 2005-11-08 Devang Patel <dpatel@apple.com>
1907 PR tree-optimization/23115
1908 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
1911 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
1913 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
1916 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
1918 Fix PR tree-optimization/23382
1920 * tree-ssa-alias.c (compute_may_aliases): Call
1921 delete_old_heap_vars.
1922 * tree-dfa.c (referenced_var_remove): New function.
1923 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
1924 * tree-flow.h (referenced_var_remove): Add prototype.
1925 (delete_old_heap_vars): Ditto.
1926 * tree-ssa-structalias.c (heapvars): New variable.
1927 (oldheapvars): Ditto.
1928 (get_constraint_for): Put heap vars on heapvars list.
1929 (delete_old_heap_vars): New function.
1931 2005-11-08 Jason Merrill <jason@redhat.com>
1933 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
1935 2005-11-08 Uros Bizjak <uros@kss-loka.si>
1938 * reg-stack.c (reg_to_stack): Update register liveness also
1939 for flag_sched2_use_traces.
1941 2005-11-08 Alan Modra <amodra@bigpond.net.au>
1944 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
1945 override prior explicit -mno-powerpc-gfxopt.
1947 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
1949 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
1950 if the bitsize is zero.
1951 * doc/md.texi (Standard Pattern Names): Document it.
1953 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
1954 (TARGET_PASS_BY_REFERENCE): Likewise.
1956 2005-11-07 Ian Lance Taylor <ian@airs.com>
1958 PR rtl-optimization/24683
1959 * config/i386/i386.c (legitimize_pic_address): If constant operand
1960 to PLUS is too large, put it in a register.
1962 2005-11-07 Jie Zhang <jie.zhang@analog.com>
1964 * configure.ac: Enable checking assembler dwarf2 support for bfin
1966 * configure: Regenerate.
1968 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1972 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
1973 gen_easy_vector_constant_add_self): Delete.
1974 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
1976 (output_vec_const_move): Use gen_easy_altivec_constant.
1977 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
1978 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
1979 (easy_vector_constant_add_self): Rewritten.
1980 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
1981 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
1982 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
1983 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
1984 Macroize and adjust for the other changes.
1986 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1990 * c-typeck.c (build_c_cast): Try using a shared constant, and see
1991 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
1993 2005-11-07 Jakub Jelinek <jakub@redhat.com>
1995 PR rtl-optimization/23567
1996 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
1997 (noce_process_if_block): Don't do any optimizations except
1998 if (cond) x = x; if !set_b and write into orig_x may trap
1999 or fault. Remove the MEM_READONLY_P check.
2001 2005-11-06 Diego Novillo <dnovillo@redhat.com>
2004 * tree-vrp.c (fix_equivalence_set): New.
2005 (extract_range_from_assert): Call it.
2007 2005-11-05 Ian Lance Taylor <ian@airs.com>
2010 * combine.c (apply_distributive_law): Don't distribute across a
2013 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
2015 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
2016 config/ms1/ms1.h, config/rs6000/predicates.md,
2017 config/s390/s390.c, params.def, postreload-gcse.c,
2018 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
2019 tree-vrp.c, tree.c: Fix comment typos.
2020 * doc/invoke.texi: Fix typos.
2022 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
2024 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
2025 for testing whether the data_dependence_relation contains distance
2026 vectors. Iterate over all distance vectors of the ddr.
2027 * lambda.h: Define a vec of lambda_vector pointers.
2028 * tree-data-ref.c (dump_data_dependence_relation,
2029 dump_data_dependence_direction): Iterate over all distance and
2030 direction vectors of the ddr.
2031 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
2033 (build_classic_dist_vector, build_classic_dir_vector): Push a set
2034 of distance/direction vectors instead of a single one.
2035 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
2036 lambda_vectors with a vec of lambda_vectors.
2037 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
2038 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
2039 DDR_NUM_DIST_VECTS): New.
2040 * tree-loop-linear.c (gather_interchange_stats): Test for the
2041 existence of distance vectors only after having checked that there
2042 is a dependence. Iterate over all distance vectors of the ddr.
2043 (linear_transform_loops): Use dump_data_dependence_relation.
2044 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
2045 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
2046 distance vectors of the ddr.
2048 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
2050 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
2051 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
2052 IS_INTHANDLER; all callers changed.
2053 (n_regs_saved_by_prologue): Take interrupt handler attributes into
2055 (do_link, do_unlink): New argument ALL; all callers changed.
2056 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
2057 If function isn't leaf, save and restore all registers.
2058 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
2061 2005-11-05 Jan Hubicka <jh@suse.cz>
2063 PR rtl-optimization/23490
2064 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
2065 max-flow-memory-location): Document.
2066 * flow.c: Include params.h
2067 (MAX_MEM_SET_LIST_LEN): Kill.
2068 (add_to_mem_set_list): Use new param.
2069 * cse.c (cse_basic_block): Replace 1000 by new param.
2070 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
2071 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
2072 * predict.c (predict_loops): Use new param.
2073 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
2075 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
2076 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
2077 Do not hold memory returned by cgraph_node_name across other call.
2079 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
2082 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
2085 2005-11-04 Jeff Law <law@redhat.com>
2088 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
2089 * tree-ssa-dom.c: Include params.h.
2090 (thread_across_edge): If there are too many statements in the
2091 target block, then do not thread through it.
2092 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
2093 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
2095 2005-11-03 Diego Novillo <dnovillo@redhat.com>
2098 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
2099 TODO_update_ssa instead of TODO_update_ssa_no_phi.
2101 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
2104 * tree-scalar-evolution.c (instantiate_parameters_1,
2105 instantiate_parameters, resolve_mixers): Compute the size of an
2106 expression to be instantiated and give up the instantiation if the
2107 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2109 2005-11-04 Richard Guenther <rguenther@suse.de>
2111 * tree-flow.h (ref_contains_indirect_ref): Rename to
2112 array_ref_contains_indirect_ref.
2113 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
2114 (array_ref_contains_indirect_ref): Make comment match the code
2116 (ref_contains_array_ref): Likewise.
2117 * tree-ssa-structalias.c (find_func_aliases): Remove call to
2118 ref_contains_indirect_ref.
2119 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2120 Rename calls to ref_contains_indirect_ref.
2122 2005-11-04 Paul Brook <paul@codesourcery.com>
2124 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
2125 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
2126 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2127 * config/arm/arm.md: Use match_operand in peephole input templates
2128 and match_dup in peephole output templates.
2130 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2132 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
2135 2005-11-04 Mark Mitchell <mark@codesourcery.com>
2136 Daniel Jacobowitz <dan@codesourcery.com>
2138 * longlong.h (add_ssaaaa): Clobber condition code register
2140 (sub_ddmmss): Likewise.
2141 (umul_ppmm): Likewise.
2143 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2144 Paul Brook <paul@codesourcery.com>
2145 Phil Blundell <pb@reciva.com>
2147 * configure.ac: Add test for ARM TLS support.
2148 * configure: Regenerated.
2149 * config/arm/arm-protos.h (legitimize_tls_address)
2150 (arm_tls_referenced_p, tls_mentioned_p)
2151 (arm_output_addr_const_extra): New prototypes.
2152 (thumb_legitimize_pic_address): Delete.
2153 * config/arm/arm.c: Include "gt-arm.h".
2154 (enum tls_reloc): New.
2155 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
2156 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
2157 (arm_call_tls_get_addr, legitimize_tls_address)
2158 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
2159 (arm_init_tls_builtins, arm_emit_tls_decoration)
2160 (arm_output_addr_const_extra): New functions.
2161 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
2162 (TARGET_HAVE_TLS): Define.
2163 (target_thread_pointer): New.
2164 (arm_override_options): Handle -mtp=.
2165 (legitimize_pic_address): Ignore UNSPECs.
2166 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
2168 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
2169 (tls_get_addr_libfunc): New variable.
2170 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
2171 (arm_init_builtins): Call arm_init_tls_builtins.
2172 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
2173 (arm_encode_section_info): Call default_encode_section_info.
2174 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
2175 (enum arm_tp_type): New.
2176 (target_thread_pointer): Add declaration.
2177 (LEGITIMATE_CONSTANT_P): Handle TLS.
2178 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
2179 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
2180 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
2181 * config/arm/arm.md: Add UNSPEC_TLS.
2182 (movsi): Handle TLS.
2183 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
2185 (tls_load_dot_plus_eight): New insn and a peephole to create it.
2186 (load_tp_hard, load_tp_soft): New insns.
2187 * arm.opt: Add -mtp=.
2188 * doc/invoke.texi (ARM Options): Document -mtp.
2190 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2192 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
2193 * config/arm/libunwind.S: Include "lib1funcs.asm".
2194 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
2195 (LIB2ADDEH): Add libunwind.S.
2196 (LIB2ADDEHDEP): Add lib1funcs.asm.
2197 * mklibgcc.in: Handle asm files in libgcc_eh.a.
2199 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2202 * gcc/c.opt: Add a -lang-fortran option.
2203 * gcc/c-opts.c: Add a lang_fortran flag.
2204 (c_common_init_options): Handling the -lang-fortran option.
2205 (c_common_handle_option): Add a case for Fortran options in
2206 preprocessing. Remove cases for -ffixed-form and
2207 -ffixed-line-length. Add a case for -lang-fortran.
2209 2005-11-03 David Edelsohn <edelsohn@gnu.org>
2211 * config/rs6000/rs6000.c: Include params.h
2212 (optimization_options): Set max-grow-copy-bb-insns default to 16.
2213 (bdesc_2arg): Delete vpkuhss and vpkuwss.
2214 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
2215 (UNSPEC_VPKUWSS): Delete.
2216 (altivec_vpkuhss): Delete.
2217 (altivec_vpkuwss): Delete.
2218 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
2220 (neg_eq0<mode>): Remove final condition.
2221 (neg_eq<mode>): Remove condition and split-condition.
2223 2005-11-04 Alan Modra <amodra@bigpond.net.au>
2225 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
2226 Use associated print macros.
2228 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
2231 * diagnostic.c (diagnostic_set_info_translated): New function.
2232 (diagnostic_set_info): Use it. Add comment.
2233 * diagnostic.h (diagnostic_set_info_translated): Declare.
2235 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
2237 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
2238 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
2239 reference only if 'public' is true.
2240 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
2241 emit the .hidden directive only if the indirect reference is public.
2242 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
2243 Pass it to dw2_force_const_mem.
2244 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
2245 * dwarf2out.c (output_cfi): Adjust calls to above function.
2246 (output_call_frame_info): Likewise.
2247 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
2248 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
2250 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
2252 PR tree-optimization/24483
2253 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
2254 field to elts if possible.
2256 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
2259 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
2262 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
2264 Fix PR tree-optimization/24351
2266 * tree-ssa-structalias.c (struct variable_info): Add
2268 (get_varinfo_fc): New function to follow collapsing.
2269 (new_var_info): Set collapsed_to to NULL.
2270 (dump_constraint): Follow collapsing.
2271 (build_constraint_graph): Handle collapsing.
2272 (do_simple_structure_copy): Return false if something bad
2274 (collapse_rest_of_var): New function.
2275 (do_structure_copy): Collapse if do_simple_structure_copy returns
2278 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
2281 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
2282 expressions to a statement list instead of gimplifying them.
2284 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2286 PR rtl-optimization/23585
2287 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
2288 that can't trap plus a constant integer, if the mode has zero size.
2290 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
2293 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
2295 ("*insv<mode>_reg_extimm"): Likewise.
2297 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
2300 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
2301 c_common_type_for_mode returns an unnamed type.
2303 2005-11-02 Richard Henderson <rth@redhat.com>
2307 * dwarf2out.c (dwarf2out_reg_save_reg): New.
2308 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
2309 * function.c (assign_parms): Use calls.internal_arg_pointer.
2310 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
2312 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
2313 (TARGET_CALLS): Add it.
2314 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
2315 * targhooks.c (default_internal_arg_pointer): New.
2316 * targhooks.h (default_internal_arg_pointer): Declare.
2317 * tree.h (dwarf2out_reg_save_reg): Declare.
2318 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
2319 * config/i386/i386.c (dbx_register_map): Add return column.
2320 (dbx64_register_map, svr4_dbx_register_map): Likewise.
2321 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
2322 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
2323 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
2324 (ix86_save_reg): Save force_align_arg_pointer.
2325 (ix86_emit_save_regs): Make regno unsigned.
2326 (ix86_emit_save_regs_using_mov): Likewise.
2327 (ix86_expand_prologue): Handle force_align_arg_pointer.
2328 (ix86_expand_epilogue): Likewise.
2329 * config/i386/i386.h: (dbx_register_map): Update.
2330 (dbx64_register_map, svr4_dbx_register_map): Update.
2331 (struct machine_function): Add force_align_arg_pointer.
2332 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
2333 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
2334 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
2336 2005-11-02 Jan Hubicka <jh@suse.cz>
2339 * i386.md: Add peep2 for simplyfing array accesses.
2341 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
2344 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
2345 * config/s390/s390.c (s390_decompose_shift_count): New function.
2346 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
2347 (print_shift_count_operand): Use s390_decompose_shift_count.
2348 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
2349 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
2351 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
2354 * loop.c (loop_givs_rescan): Use force_operand to expand
2357 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
2360 * fold-const.c (build_range_check): Use unsigned when signed
2361 overflow is undefined also. If etype is subtype, make sure that
2362 the subtraction is in the supertype.
2364 2005-11-02 Richard Henderson <rth@redhat.com>
2367 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
2370 2005-11-01 Richard Henderson <rth@redhat.com>
2373 * loop.c (scan_loop): Do not propagate computations to a hard
2374 register destination with SMALL_REGISTER_CLASSES.
2376 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
2378 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
2379 costs for MULT inside PLUS or MINUS.
2381 2005-11-01 Bob Wilson <bob.wilson@acm.org>
2383 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
2384 (TRAMPOLINE_SIZE): Round up to 60.
2385 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
2387 2005-10-31 James E. Wilson <wilson@specifix.com>
2390 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
2391 ifdef. Put ifdefs around call in gen_subprogram_die.
2392 (compute_frame_pointer_to_cfa_displacement): Likewise.
2393 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
2396 PR rtl-optimization/17356
2397 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
2398 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
2400 2005-10-31 Jan Hubicka <jh@suse.cz>
2403 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
2406 * i386.c (legitimize_pic_address): Deal with large immediates.
2409 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
2410 from symbol names while computing checkup.
2413 * predict.c (predict_loops): Do not estimate more than
2414 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
2415 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
2417 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
2419 PR tree-optimization/19097
2420 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
2422 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
2424 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
2426 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
2429 * tree-inline.c (setup_one_parameter): If the init_stmt
2430 is NULL, don't insert the statement.
2432 2005-10-30 Jan Hubicka <jh@suse.cz>
2434 PR tree-optimization/24172
2435 * tree-inline.c (copy_body_r): Unshare the substituted value first.
2437 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
2439 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
2440 constants for hosts with long != 32 bits.
2442 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
2445 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
2447 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
2449 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
2450 (TARGET_MS1_16_002): New.
2451 (TARGET_MS1_16_003): New.
2453 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
2454 ("*decrement_and_branch_until_zero_no_clobber"): New.
2455 Add corresponding splitter for decrement_and_branch_until_zero
2457 Key all decrement_and_branch_until_zero patterns off of
2460 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
2463 * tree-complex.c (extract_component): Treat RESULT_DECL
2464 like the rest of the decls.
2466 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
2468 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
2469 indirect call to _mcount if the function needs a static chain.
2471 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
2472 Caroline Tice <ctice@apple.com>
2474 PR rtl-optimization/24460
2475 * dwarf2out.c (have_switched_text_sections): New boolean variable.
2476 (dwarf2out_switch_text_section): Set it to true instead of
2477 incrementing separate_line_info_table_in_use.
2478 (output_loc_list): Additionally test have_switched_text_sections.
2479 (output_ranges): Likewise.
2480 (dwarf2out_finish): Likewise.
2481 * varasm.c (assemble_start_function): Do not call
2482 insert_section_boundary_note.
2483 (assemble_end_function): If flag_reorder_blocks_and_partition,
2484 switch to the function's section before emitting the .size directive.
2485 * bb-reorder.c (insert_section_boundary_note): Staticify.
2486 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
2487 * output.h (insert_section_boundary_note): Delete.
2489 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
2492 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
2493 instead of pointer equality when comparing types.
2495 2005-10-24 James E. Wilson <wilson@specifix.com>
2497 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
2498 add_dependence_list_and_free calls.
2500 2005-10-24 Steven Bosscher <stevenb@suse.de>
2502 * contrib.texi: Add the names of the LLNL folks who donated
2503 Cray pointer support for gfortran.
2505 2005-10-24 Steven Bosscher <stevenb@suse.de>
2507 PR tree-optimization/24225
2508 * profile.c (branch_prob): Look from end to start through a
2509 basic block when looking for a locus.
2511 2005-10-24 Richard Henderson <rth@redhat.com>
2513 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
2515 (hppa_expand_prologue): Likewise.
2517 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2519 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
2520 (NO_DEFERRED_PROFILE_COUNTERS): Define.
2521 * pa.h (NO_PROFILE_COUNTERS): Define.
2522 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
2523 (funcdef_nos): New vector to hold label numbers of deferred profile
2525 (output_deferred_profile_counters): New function.
2526 (hppa_profile_hook): Push label number onto funcdef_nos.
2527 (pa_hpux_file_end): Call output_deferred_profile_counters if
2528 NO_DEFERRED_PROFILE_COUNTERS is false.
2530 * pa-protos.h (get_deferred_plabel): New prototype.
2531 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
2533 (output_call): Adjust calls.
2535 2005-10-24 Alan Modra <amodra@bigpond.net.au>
2537 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
2538 peculiarity of GOT/TOC section usage.
2540 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
2543 * c-common.c (constant_string_class_name): Add documentation.
2545 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
2548 * recog.c (peephole2_optimize): Increment peep2_current_count
2549 only when the slot is empty.
2551 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2554 * except.c (output_function_exception_table): Call
2555 assemble_external_libcall if we need a personality function.
2557 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2559 PR rtl-optimization/24460
2560 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
2561 set the basic block for barriers.
2563 2005-10-21 Janis Johnson <janis187@us.ibm.com>
2565 * var-tracking.c (vt_initialize): Initialize post.
2567 2005-10-21 Devang Patel <dpatel@apple.com>
2570 * c-common.c (vector_types_convertible_p): Check vector element type.
2572 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
2574 * config/sh/sh.c (prepare_move_operands): Handle the address
2575 constant which is a tls symbolic address plus a constant.
2577 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
2580 * gcc.c (main): Use the correct counter for erroring out
2581 about mulitple files.
2583 2005-10-21 Alan Modra <amodra@bigpond.net.au>
2586 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
2587 use r2 for 64-bit tls .got access.
2589 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
2591 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
2594 2005-10-20 Steven Bosscher <stevenb@suse.de>
2596 PR tree-optimization/24307
2597 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
2599 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
2602 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
2604 * varasm.c (find_decl_and_mark_needed): After cgraph global info
2605 is ready, stop marking functions, but still mark variables.
2607 2005-10-20 Richard Guenther <rguenther@suse.de>
2610 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
2613 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
2615 PR rtl-optimization/23585
2616 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
2617 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
2618 (may_trap_p_1): New predicate extracted from...
2619 (may_trap_p): ... here. Invoke may_trap_p_1.
2620 (may_trap_or_fault_p): New predicate.
2621 * rtl.h (may_trap_or_fault_p): Declare it.
2622 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
2623 instead of may_trap_p.
2624 (steal_delay_list_from_fallthrough): Likewise.
2625 (fill_simple_delay_slots): Likewise.
2626 (fill_slots_from_thread): Likewise.
2627 * function.c (pad_to_arg_alignment): Rework comment about
2628 SPARC_STACK_BOUNDARY_HACK.
2629 * config/sparc/sparc.h: Likewise.
2631 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
2633 * config/s390/s390.c (s390_expand_insv): New.
2634 * config/s390/s390-protos.h (s390_expand_insv): Declare.
2635 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
2636 ("icm_hi"): Remove mode attribute.
2637 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
2639 ("*extracthi", "*extractqi"): Remove.
2640 (extv<mode>", "*extzv<mode>"): New.
2641 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
2642 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
2644 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2646 * cfgexpand.c (discover_nonconstant_array_refs_r,
2647 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
2648 (tree_expand_cfg): Call discover_nonconstant_array_refs.
2649 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2650 discover_nonconstant_array_refs.
2652 2005-10-19 Steven Bosscher <stevenb@suse.de>
2655 * c-decl.c (pop_scope): Don't warn about an unused variable
2656 if it is marked with TREE_NO_WARNING.
2657 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
2658 somenow mismatch and olddecl is to be replaced.
2660 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
2663 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
2664 whether registers live on the edge can be saved/restored.
2666 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
2668 * config/sh/sh.c (fixup_mova): Skip notes.
2670 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2672 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
2673 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
2674 (s390_can_eliminate): Handle BASE_REGNUM elimination.
2675 (s390_initial_elimination_offset): Likewise.
2676 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
2677 register on TARGET_ZARCH targets.
2678 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
2679 (INITIAL_FRAME_POINTER_OFFSET): Remove.
2680 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
2681 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
2683 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2685 * config/s390/s390.md: Comment describing output modifiers updated.
2686 * config/s390/s390.c (print_operand): Likewise.
2688 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2690 * config/s390/s390.c (override_options): Added check for -mstack-size
2692 * doc/invoke.texi: Mention that limit in the documenation.
2694 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
2697 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
2699 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
2701 Fix PR tree-optimization/24231
2703 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
2704 (compute_avail): Ditto.
2706 2005-10-18 Richard Henderson <rth@redhat.com>
2709 * config/i386/i386.c (legitimate_constant_p): Check
2710 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
2712 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
2713 (legitimate_pic_address_disp_p): Reorg CONST checking to make
2714 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
2716 (print_operand_address): Likewise.
2717 * config/i386/predicates.md (x86_64_immediate_operand): Test
2718 SYMBOL_REF_TLS_MODEL properly inside CONST.
2719 (x86_64_zext_immediate_operand): Likewise.
2720 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
2721 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
2722 * config/i386/i386-protos.h: Remove predicates.md entries.
2724 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
2726 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2727 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
2729 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
2730 Ian Lance Taylor <ian@airs.com>
2733 * fold-const.c (fold_widened_comparison): Do not allow range based
2734 constant folding when right operand cannot be unwidened.
2736 2005-10-17 Richard Henderson <rth@redhat.com>
2738 * builtins.c (expand_builtin_synchronize): Build a new-style asm
2739 with a memory clobber.
2741 2005-10-17 James E Wilson <wilson@specifix.com>
2743 PR rtl-optimization/17356
2744 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
2745 checking for EDGE_EH.
2747 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
2749 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
2750 the slot on an even boundary for any type with 16-byte alignment.
2752 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
2755 * md.texi (Modifiers) <%>: Clarify that % doesn't work
2756 after register allocation.
2758 2005-10-17 DJ Delorie <dj@redhat.com>
2760 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
2763 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
2766 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
2769 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
2771 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
2772 to 2 if it's already non-zero.
2773 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
2774 is set and warn about it if flag_schedule_insns is 1.
2776 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
2778 * config/crx/crx.md: Compare-and-branch instructions need to
2781 2005-10-17 Uros Bizjak <uros@kss-loka.si>
2784 * config/i386/i386.md (*pushdi2_rex64 splitter)
2785 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
2786 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
2787 flow2 pass only when (optimize > 0 && flag_peephole2).
2789 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
2792 * gcc.c (have_c): New static variable.
2794 (process_command): Remove declation of have_c.
2795 Set have_o to 1 when handling -o.
2796 (main): Add a fatel error if there are multiple
2797 files specified and -o and -c/-S is passed witout
2798 -combine or multiple languages.
2800 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
2802 Fix PR tree-optimization/22444
2803 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
2804 Assert that we don't hit something with subvars.
2805 (setup_pointers_and_addressables): Don't add things with subvars,
2806 because we'll already process the subvars for aliasing purposes.
2808 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
2811 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
2812 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
2813 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
2814 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
2815 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
2816 swapped, alternatives for the R constraint.
2819 * builtins.c (get_builtin_sync_mode): Make unlimited
2820 mode_for_size request.
2822 2005-10-15 Richard Henderson <rth@redhat.com>
2824 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
2825 (gimplify_expr): ... here.
2826 (gimplify_compound_lval): Use it in initial scan loop. Allow
2827 fb_lvalue in base expression.
2829 2005-10-15 Richard Henderson <rth@redhat.com>
2832 * builtins.c (expand_builtin_trap): Export.
2833 * expr.h (expand_builtin_trap): Declare.
2834 * expr.c (expand_assignment): Emit a trap for integral offsets
2835 from registers that weren't reduced to bitpos.
2837 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
2838 (mark_array_ref_addressable): Remove.
2839 * tree-flow.h (mark_array_ref_addressable): Remove.
2840 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
2842 2005-10-15 James E Wilson <wilson@specifix.com>
2845 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
2846 (add_dependence_list_and_free): Likewise.
2847 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
2850 2005-10-15 Diego Novillo <dnovillo@redhat.com>
2854 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
2855 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
2857 (vrp_visit_phi_node): Only prevent infinite iterations when
2858 the previous result and the new result are both VR_RANGEs.
2860 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
2862 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
2865 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2868 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
2871 2005-10-14 Per Bothner <per@bothner.com>
2873 PR preprocessor/21250
2874 * c-ppoutput.c (print_line): Print internal line 0 as 1.
2876 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
2879 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
2880 overflow flags. Refactor some conditionals.
2882 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
2885 * tree-dfa.c (add_referenced_var): Only look at decls which
2886 have TREE_CONSTANT or TREE_READONLY set instead of if
2887 !TREE_PUBLIC or !TREE_CONSTANT.
2889 2005-10-13 James E Wilson <wilson@specifix.com>
2891 * doc/invoke.texi: For -x, add f95-cpp-input.
2892 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
2894 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
2896 PR tree-optimization/24262
2897 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
2898 in loop all the time.
2900 2005-10-12 Richard Henderson <rth@redhat.com>
2903 * tree.h (DECL_TRANSPARENT_UNION): Remove.
2904 * function.c (assign_parm_find_data_types): Don't support it.
2905 * print-tree.c (print_node): Likewise.
2906 * c-common.c (handle_transparent_union_attribute): Likewise.
2907 Use build_duplicate_type.
2908 * tree-inline.c (remap_type_1): Split out of remap_type;
2909 properly remap aggregate fields.
2910 (build_duplicate_type): New.
2911 * doc/extend.texi (Variable Attributes): Remove documentation
2912 for transparent_union.
2914 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2917 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
2918 (gen_stack_pointer_dec): Likewise.
2920 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
2924 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
2926 (struct cxx): Add adjust_class_at_definition target hook.
2927 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
2928 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
2929 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
2930 hook_void_tree. Add to TARGET_CXX.
2931 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
2933 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
2934 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
2935 instead of attribute. Check for dllexport override. Warn if
2936 inconsistent dll linkage. Don't lose old dllimport if decl has
2937 had address referenced. Tweak lookup of dllimport atribute.
2938 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
2939 for target specific rules. Don't add dllimport attribute if
2940 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
2941 dllimport attribute.
2942 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
2943 * varasm.c (initializer_constant_valid_p): Replace
2944 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
2948 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
2949 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
2950 (i[34567]86-*-mingw32*): Likewise.
2952 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
2953 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
2955 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
2956 C++-specific code. Change return value to bool.
2957 (i386_pe_dllimport_p): Likewise.
2958 (associated_type): Simplify and make language-independent
2959 (i386_pe_encode_section_info): Replace override of ambiguous
2960 dllimport symbol refs with a gcc_assert.
2961 (i386_pe_valid_dllimport_attribute_p): Define.
2962 * config/i386/winnt-cxx.c: New file. Define C++ versions of
2963 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2964 i386_pe_adjust_class_at_definition.
2965 * config/i386/winnt-stubs.c: New file. Define stub versions of
2966 lang-specific functions.
2967 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
2968 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2969 i386_pe_adjust_class_at_definition.
2970 (i386_pe_valid_dllimport_attribute_p): Declare.
2971 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
2972 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
2973 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
2976 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
2977 dllimport attribute with test of DECL_DLLIMPORT_P.
2979 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
2981 * combine.c (make_extraction): Correct offset computation.
2983 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
2985 * config/cris/t-linux (LIMITS_H_TEST): Define.
2987 2005-10-12 Richard Henderson <rth@redhat.com>
2990 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
2992 2005-10-12 Richard Guenther <rguenther@suse.de>
2994 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
2996 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
2999 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
3000 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
3003 2005-10-12 Richard Guenther <rguenther@suse.de>
3006 * varasm.c (output_constant): Correct typo from previous
3009 2005-10-11 Ian Lance Taylor <ian@airs.com>
3011 PR rtl-optimization/13931
3012 * combine.c: Revert patch of 2003-05-14, and:
3013 (try_combine): Only set elim_i1 and elim_i2 if the destination is
3014 completely killed in the appropriate insn.
3015 (distribute_notes): Don't skip multiple hard register test for
3016 elim_i1 and elim_i2.
3018 2005-10-11 Richard Henderson <rth@redhat.com>
3021 * c-typeck.c (convert_for_assignment): Use build_constructor_single
3022 to initialize a transparent union instead of a nop_expr.
3024 2005-10-11 Richard Henderson <rth@redhat.com>
3026 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
3027 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
3028 (tree_ssa_dce_loop): Call scev_reset.
3031 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
3032 * tree-ssa-dce.c: Include cfgloop.h.
3033 (tree_ssa_dce_loop, pass_dce_loop): New.
3034 * tree-pass.h (pass_dce_loop): Declare it.
3035 * passes.c (init_optimization_passes): Use it.
3037 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3040 * convert.c (convert_to_real): Revert 2005-10-05 patch.
3041 Only apply the optimization for rounding builtins if the inner
3042 cast is also an extension.
3044 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
3047 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
3048 mark_new_vars_to_rename instead of update_stmt.
3050 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
3052 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
3054 2005-10-11 Jakub Jelinek <jakub@redhat.com>
3056 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
3057 for setting MMX register to 0 rather than mmx.
3059 2005-10-10 Steve Ellcey <sje@cup.hp.com>
3062 * configure.ac: Move gas check from mips specific case to common case.
3063 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
3064 * configure: Regenerate
3065 * doc/install.texi: Update.
3067 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3070 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
3072 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
3074 * gcc.c (do_spec_1): Accept numeric characters in file name
3077 2005-10-10 Nick Clifton <nickc@redhat.com>
3079 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
3080 describing the deleted arm_gen_rotated_half_load function.
3082 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
3084 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
3087 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
3089 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
3091 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
3092 (EXTRA_MULTILIB_PARTS): Define.
3093 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3094 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3095 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
3096 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3097 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3098 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
3100 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
3102 PR tree-optimization/24226
3103 * tree-cfg.c (remove_bb): Clean up unreachable loops.
3104 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
3105 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
3108 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3110 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
3112 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
3115 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
3116 Rewrite for no need for the early clobber.
3118 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
3120 Merge from csl-arm-branch:
3121 2005-09-07 Paul Brook <paul@codesourcery.com>
3122 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
3125 2005-04-30 Paul Brook <paul@codesourcery.com>
3126 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
3127 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
3129 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
3130 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
3131 (arm_override_options): Use TARGET_AAPCS_BASED.
3132 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
3133 (PTRDIFF_TYPE): Use int for AAPCS.
3134 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
3135 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
3136 (DEFAULT_SHORT_ENUMS): Delete.
3137 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
3139 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
3140 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
3141 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
3142 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
3144 2004-12-03 Mark Mitchell <mark@codesourcery.com>
3145 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
3147 2004-11-22 Mark Mitchell <mark@codesourcery.com>
3148 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
3150 2004-11-19 Mark Mitchell <mark@codesourcery.com>
3151 * config.gcc (arm*-*-linux-gnueabi): Add it.
3152 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
3154 (TARGET_OS_CPP_BUILTINS): Likeiwse.
3155 * config/arm/linux-eabi.h: New file.
3156 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
3157 (LINUX_TARET_LINK_SPEC): Likewise.
3158 (LINK_SPEC): Use it.
3159 * config/arm/t-linux-eabi: New file.
3161 2005-10-08 Steven Bosscher <stevenb@suse.de>
3164 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
3166 (PARAM_SMS_DFA_HISTORY): Likewise.
3168 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
3171 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
3172 (load_register_parameters): Call it.
3173 (check_sibcall_argument_overlap_1): Likewise.
3174 (store_one_arg): Likewise.
3176 2005-10-07 James E. Wilson <wilson@specifix.com>
3178 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
3179 DImode not VECINT24 for operand 2.
3182 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
3186 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
3187 fr_spill): Use destination_operand for operand 0.
3189 2005-10-07 DJ Delorie <dj@redhat.com>
3191 * varasm.c (output_constant): Limit error to expanding
3194 2005-10-07 Richard Guenther <rguenther@suse.de>
3197 * fold-const.c (fold_binary): Fix operand types during folding
3198 of X op (A, Y). Evaluation order of the side-effects of
3199 X and A are frontend-defined, so ensure we honour that even for
3200 tcc_comparison class operands; eased by removing duplicate code.
3202 2005-10-07 Steve Ellcey <sje@cup.hp.com>
3204 * stor-layout.c (layout_type): Do not allow alignment of array
3205 elements to be greater than their size.
3207 2005-10-07 Steve Ellcey <sje@cup.hp.com>
3209 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
3211 (hppa*-*-linux*): Ditto.
3212 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
3213 * config/host-hpux.c: New.
3214 * config/x-hpux: New.
3215 * config/pa/x-hpux: Remove.
3216 * config/pa/x-linux: Remove.
3217 * config/pa/pa-host.c: Remove.
3219 2005-10-07 Jeff Law <law@redhat.com>
3221 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
3222 determine whether or not to try and thread outgoing edges.
3224 2005-10-07 David Edelsohn <edelsohn@gnu.org>
3226 * config/rs6000/rs6000.md (eqsi_power): New.
3227 (neg_eq0si): Add TARGET_POWER to final condition.
3230 2005-10-06 Richard Henderson <rth@redhat.com>
3232 * config/rs6000/rs6000.c: Revert last change.
3234 2005-10-06 Richard Henderson <rth@redhat.com>
3236 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
3237 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
3239 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
3243 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
3244 out return_label and naked_return_label.
3246 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
3248 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
3251 2005-10-06 Richard Henderson <rth@redhat.com>
3254 * tree-inline.c (declare_return_variable): Handle modify_dest not
3257 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
3259 Fix PR tree-optimization/22488
3260 * tree-ssa-structalias.c (check_for_overlaps): New function.
3261 (create_variable_info_for): Use it.
3263 2005-10-06 Richard Henderson <rth@redhat.com>
3266 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
3267 (dwarf2out_start_source_file): Print it.
3269 2005-10-06 Geoffrey Keating <geoffk@apple.com>
3271 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
3273 2005-10-06 Richard Henderson <rth@redhat.com>
3276 * mode-switching.c (optimize_mode_switching): Clear transp bit
3277 for block with incomming abnormal edges.
3279 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
3280 (fpscr_set_from_mem): Use them.
3281 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
3282 (fpscr postinc splitters): Rewrite as peephole2+split.
3284 2005-10-06 David Edelsohn <edelsohn@gnu.org>
3286 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
3287 (eq<mode>_compare): Same.
3289 2005-10-06 Richard Guenther <rguenther@suse.de>
3291 PR tree-optimization/24238
3292 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
3294 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
3296 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
3297 here. Use AC_PATH_PROG for environment variables instead of
3299 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
3301 * configure: Regenerated.
3303 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
3306 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
3307 then force it into a register.
3308 (call_value): Likewise.
3310 2005-10-06 Richard Henderson <rth@redhat.com>
3313 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
3314 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
3315 under pass_vectorize.
3317 2005-10-05 Devang Patel <dpatel@apple.com>
3320 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
3321 handling constants. Check NAMESPACE_DECL context for constants.
3323 2005-10-05 Eric Christopher <echristo@apple.com>
3325 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
3327 2005-10-05 Richard Henderson <rth@redhat.com>
3330 * tree-cfg.c (mark_array_ref_addressable_1): New.
3331 (mark_array_ref_addressable): New.
3332 * tree-flow.h (mark_array_ref_addressable): Declare.
3333 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
3335 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
3339 * reload.c (subst_reloads): When adding a REG_LABEL to a
3340 jump instruction, also update JUMP_LABEL.
3342 2005-10-05 David Edelsohn <edelsohn@gnu.org>
3344 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
3345 * bb-reorder.c (copy_bb_p): Use it.
3346 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
3348 2005-10-05 Richard Henderson <rth@redhat.com>
3351 * toplev.c (process_options): Warn about unsupported combinations
3352 of unwind tables and omit-frame-pointer.
3353 * config/i386/i386.c (override_options): Similarly. Enable
3354 accumulate-outgoing-args if not explicitly disabled.
3356 2005-10-05 Steve Ellcey <sje@cup.hp.com>
3358 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
3359 Handle big endian vs. small endian.
3360 (vec_initv2sf): Handle big endian vs. small endian.
3361 (*vec_extractv2sf_1): Ditto.
3363 2005-10-05 Dale Johannesen <dalej@apple.com>
3365 * convert.c (convert_to_real): Don't convert
3366 (float)floor(double d) to floorf((float)d).
3368 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
3370 * config/arm/arm.md (insv): Use gen_int_mode in more places.
3372 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
3374 PR tree-optimization/18587
3375 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
3376 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
3377 build_vuses): Change to VEC type.
3378 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
3379 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
3380 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
3381 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
3382 (get_name_decl): New. Return DECL_UID of base variable.
3383 (operand_build_cmp): New. qsort comparison routine.
3384 (operand_build_sort_virtual): New. Sort virtual build vector.
3385 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
3386 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
3387 (FINALIZE_BASE): Use get_name_decl.
3388 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
3389 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
3390 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
3391 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
3392 direct VEC_* manipulations.
3393 (build_ssa_operands): Call operand_build_sort_virtual.
3394 (copy_virtual_operand, create_ssa_artficial_load_stmt,
3395 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
3396 with direct VEC_* manipulations.
3397 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
3398 with direct VEC manipulations.
3400 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
3402 PR tree-optimization/21419
3403 PR tree-optimization/24146
3404 PR tree-optimization/24151
3406 * c-typeck.c (readonly_error): Handle USE being lv_asm.
3407 (build_asm_expr): Call it if outputs are read-only.
3408 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
3410 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
3411 Paolo Bonzini <bonzini@gnu.org>
3415 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
3416 enable the instructions and not just the built-ins.
3417 * doc/invoke.texi (x86 Options): Likewise.
3419 2005-10-04 Geoffrey Keating <geoffk@apple.com>
3421 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
3423 * doc/invoke.texi (Option Summary): Correct spelling
3424 of -mmacosx-version-min.
3426 2005-10-04 Devang Patel <dpatel@apple.com>
3428 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
3431 2005-10-04 Steve Ellcey <sje@cup.hp.com>
3433 * tree-vect-transform.c (vect_create_epilog_for_reduction):
3434 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
3436 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
3438 * config/s390/s390.md ("TDSI","DP"): New mode macros.
3439 ("TE","tg"): New mode attributes.
3440 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
3441 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
3442 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
3443 dword_mode and one for GPRmode.
3445 2005-10-04 Ian Lance Taylor <ian@airs.com>
3447 PR preprocessor/13726
3448 * c-ppoutput.c (cb_include): Add comments parameter, and print out
3449 any comments passed in.
3451 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3453 * tree.c (annotate_with_file_line): Fix typo.
3455 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3458 * builtins.c (fold_builtin_memcmp): When constructing the pointer
3459 type used to access data in the inlined length == 1 case, use
3460 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
3461 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
3463 2005-10-04 Uros Bizjak <uros@kss-loka.si>
3465 * config/i386/i386.h (TARGET_FISTTP): Enable also for
3466 TARGET_SSE3 and only for TARGET_80387.
3467 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
3468 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
3469 Do not depend on TARGET_80387.
3471 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3473 * tree.c (last_annotated_node): Change type to location_t*.
3474 (annotate_with_file_line): Reflect the change of
3475 last_annotated_node type.
3477 2005-10-04 Richard Guenther <rguenther@suse.de>
3480 * c-decl.c (grokdeclarator): Don't write to fields
3483 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3486 * c-decl.c (finish_decl): Use set_user_assembler_name even for
3488 * varasm.c (make_decl_rtl): If a register variable does not
3489 have a set user assmbler name, error out.
3490 Decode the asmspec is now name+1 bypassing '*'.
3492 2005-10-04 Steven Bosscher <stevenb@suse.de>
3494 PR tree-optimization/23049
3495 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
3496 of a COND_EXPR is folded before calling fold on the whole rhs of a
3497 conditional assignment.
3498 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
3499 document that a COND_EXPR may appear there.
3501 2005-10-03 Diego Novillo <dnovillo@redhat.com>
3504 * tree-vrp.c (extract_range_from_assert): If the new numeric
3505 range created out of the assertion contradicts the existing
3506 numeric range of the ASSERT_EXPR variable, make the new range
3509 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
3511 * config/sh/sh.c (sh_register_move_cost): Add case for moving
3512 from T_REGS to FP register class.
3514 2005-10-03 Richard Henderson <rth@redhat.com>
3517 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
3518 before creating a new one.
3520 2005-10-03 David Edelsohn <edelsohn@gnu.org>
3522 * config/rs6000/t-aix43 (LDFLAGS): New.
3523 * config/rs6000/t-aix52 (LDFLAGS): New.
3525 2005-10-03 Ian Lance Taylor <ian@airs.com>
3527 * gimplify.c (find_single_pointer_decl_1): New static function.
3528 (find_single_pointer_decl): New static function.
3529 (internal_get_tmp_var): For a formal variable, set restrict base
3530 information if appropriate.
3531 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
3533 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
3534 (DECL_GET_RESTRICT_BASE): Define.
3535 (SET_DECL_RESTRICT_BASE): Define.
3536 (decl_restrict_base_lookup): Declare.
3537 (decl_restrict_base_insert): Declare.
3538 (struct tree_decl_with_vis): Add based_on_restrict_p field.
3539 * tree.c (restrict_base_for_decl): New static variable.
3540 (init_ttree): Initialize restrict_base_for_decl.
3541 (copy_node_stat): Copy restrict base information.
3542 (decl_restrict_base_lookup): New function.
3543 (decl_restrict_base_insert): New function.
3544 (print_restrict_base_statistics): New static function.
3545 (dump_tree_statistics): Call print_restrict_base_statistics.
3547 2005-10-02 Diego Novillo <dnovillo@redhat.com>
3550 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
3551 case of anti-ranges.
3553 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
3556 * c-typeck.c (tagged_tu_seen): Rename to ...
3557 (tagged_tu_seen_cache): this and add val field.
3558 (comptypes): Move functional to comptypes_internal
3559 and free tagged_tu_seen.
3560 (comptypes_internal): New function and call comptypes_internal
3561 instead of comptypes. Speed up by sibcalling
3562 tagged_types_tu_compatible_p.
3563 (alloc_tagged_tu_seen): New function
3564 (free_all_tagged_tu_seen_up_to): New function.
3565 (tagged_types_tu_compatible_p): Return the val of the seen two
3567 Add that the two types are the same to tagged_tu_seen_base
3568 if they are and call comptypes_internal instead of comptypes.
3569 <case UNION_TYPE>: Speed up common type where the fields are
3571 (function_types_compatible_p): Call comptypes_internal instead of
3573 (type_lists_compatible_p): Likewise.
3574 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
3576 2005-10-02 Matthias Klose <doko@debian.org>
3578 * doc/invoke.texi: Fix typo and speling error.
3580 2005-10-01 Richard Henderson <rth@redhat.com>
3582 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
3584 2005-10-01 Mark Mitchell <mark@codesourcery.com>
3586 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
3587 using --start-group and --end-group.
3589 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3591 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
3592 FIXME note regarding quirky semantics.
3594 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3597 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
3598 non-null range as a last resort.
3600 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
3601 Diego Novillo <dnovillo@redhat.com>
3604 * tree-vrp.c (extract_range_from_assert): For !=
3605 assertions, only build an anti-range if LIMIT is a
3606 single-valued range.
3608 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
3610 * arm.md (movqi): On thumb when optimizing, handle loading from
3611 memory by describing this as taking a subreg of a zero-extended load
3612 into an SImode register.
3615 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
3617 * reload1.c (merge_assigned_reloads): Do not change any
3618 RELOAD_FOR_OUTPUT_ADDRESS reloads.
3620 2005-09-30 Geoffrey Keating <geoffk@apple.com>
3622 * Makefile.in (LIPO_FOR_TARGET): Define.
3623 (STRIP_FOR_TARGET): Define.
3625 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
3626 before creating new ones. Do symlinks before creating the actual
3629 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
3630 to work out which multilibs are actually being built.
3632 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
3634 * tree-vect-transform.c, config/ms1/ms1.md,
3635 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
3636 Follow spelling conventions.
3637 * doc/invoke.texi, doc/md.texi: Fix typos.
3639 2005-09-30 Andrew Macleod <amacleod@redat.com>
3641 PR tree-optimization/21430
3642 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
3643 use operands, and set stmt pointer if need be.
3644 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
3645 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
3648 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3651 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
3653 2005-09-29 Mark Mitchell <mark@codesourcery.com>
3655 * optabs.c (expand_binop): Initialize first_pass_p.
3657 2005-09-29 Jakub Jelinek <jakub@redhat.com>
3660 * c-decl.c (c_write_global_declarations_1): If any
3661 wrapup_global_declaration_2 call returned true, restart the loop.
3663 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
3665 Fix PR tree-optimization/24117
3666 * tree-ssa-structalias.c (find_func_aliases): Strip nops
3667 before considering whether to use anyoffset.
3669 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3673 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3675 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3677 (swap_commutative_operands_with_target): New.
3679 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3682 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
3685 2005-09-29 Steven Bosscher <stevenb@suse.de>
3687 PR tree-optimization/23911
3688 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
3689 and IMAGPART_EXPR too.
3691 2005-09-28 Mark Mitchell <mark@codesourcery.com>
3694 * expmed.c (expand_shift): Move logic to reverse rotation
3695 direction when rotating by constants ...
3696 * optabs.c (expand_binop): ... here.
3697 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
3698 (ix86_rotrdi3): New pattern.
3699 (rotldi3): Handle 32-bit mode.
3700 (ix86_rotldi3): New pattern.
3702 2005-09-29 Alan Modra <amodra@bigpond.net.au>
3705 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
3706 check for numbers that need no bit twiddle.
3708 2005-09-28 Geoffrey Keating <geoffk@apple.com>
3710 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
3711 multilib to be built.
3713 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
3714 (stage1-start): Delete old libgcc and libunwind before moving
3715 anything into the stage directory.
3716 (stage2-start): Likewise.
3717 (stage3-start): Likewise.
3718 (stage4-start): Likewise.
3719 (stageprofile-start): Likewise.
3720 (stagefeedback-start): Likewise.
3721 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
3722 header in tm_file and CPU-specific t-darwin in tmake_file.
3723 (i[34567]86-*-darwin*): Don't change tm_file.
3724 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
3725 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
3726 shared library stub for target OS version.
3727 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
3728 (SHLIB_LINK): Don't make SHLIB_SOLINK.
3729 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
3730 (libgcc_s.%.dylib): New.
3732 (install-darwin-libgcc-stubs): New.
3733 (INSTALL_LIBGCC): New append.
3734 * config/i386/darwin-libgcc.10.4.ver: New.
3735 * config/i386/darwin-libgcc.10.5.ver: New.
3736 * config/i386/t-darwin: New.
3737 * config/rs6000/darwin-libgcc.10.4.ver: New.
3738 * config/rs6000/darwin-libgcc.10.5.ver: New.
3739 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
3740 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
3742 2005-09-28 Paul Brook <paul@codesourcery.com>
3744 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
3747 2005-09-28 Richard Guenther <rguenther@suse.de>
3749 PR tree-optimization/23853
3750 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
3751 host_integerp to verify misalignment value.
3753 2005-09-28 Richard Henderson <rth@redhat.com>
3755 * builtins.c (get_builtin_sync_mode): New.
3756 (expand_builtin_sync_operation): Pass in mode argument.
3757 (expand_builtin_compare_and_swap): Likewise.
3758 (expand_builtin_lock_test_and_set): Likewise.
3759 (expand_builtin_lock_release): Likewise.
3760 (expand_builtin): Update to match.
3762 2005-09-28 Nick Clifton <nickc@redhat.com>
3764 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
3765 formatting. Add check to PLUS case to ensure that the offset is
3766 within an acceptable range.
3768 * config/v850/v850.md (casesi): Disable the generation of the
3769 switch pattern as it is not being handled properly at the moment.
3771 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
3772 for when the high words are identical.
3774 2005-09-27 Richard Henderson <rth@redhat.com>
3776 * pretty-print.c (pp_base_format): Fix typo for %>.
3778 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
3779 Devang Patel <dpatel@apple.com>
3781 PR tree-optimization/23625
3782 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
3783 LABEL_EXPR, assertion check.
3785 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
3787 * optabs.c (no_conflict_move_test): Check if a result of a
3788 to-be-moved insn would be clobbered by an originally
3791 2005-09-27 Jeff Law <law@redhat.com>
3793 * passes.c (init_optimization_passes): Replace copy propagation
3794 passes immediately after DOM with phi-only copy propagation
3795 pases. Add phi-only copy propagation pass after first DOM pass.
3796 * tree-pass.h (pass_phi_only_copy_prop): Declare.
3797 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
3798 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
3799 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
3800 to init_copy_prop. Callers updated.
3801 (do_phi_only_copy_prop): New function.
3802 (pass_phi_only_copy_prop): New pass descriptor.
3804 2005-09-27 Nick Clifton <nickc@redhat.com>
3806 * libgcc2.c (__popcount_tab): Remove redundant prototype.
3808 2005-09-26 Jason Merrill <jason@redhat.com>
3811 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
3813 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
3815 2005-09-26 James E Wilson <wilson@specifix.com>
3817 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
3818 copyright. Add gcc copyright plus libgcc exception.
3819 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
3821 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
3823 2005-09-26 Jeff Law <law@redhat.com>
3825 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
3826 about when to iterate.
3828 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
3831 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
3832 for __complex__ double in -mcpu=G5 mode.
3834 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
3836 PR tree-optimization/23942
3837 * Makefile.in (SCEV_H): Depends on PARAMS_H.
3838 * tree-scalar-evolution.c: Include params.h.
3840 (follow_ssa_edge, follow_ssa_edge_in_rhs,
3841 follow_ssa_edge_in_condition_phi_branch,
3842 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
3843 Change return type to t_bool. Use a parameter to limit the size of
3844 trees that are walked before stopping
3845 (analyze_evolution_in_loop): Initialize the limit to 0.
3846 (follow_ssa_edge): Give up by returning t_dont_know if the limit
3847 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3849 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3852 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
3853 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
3855 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
3857 * combine.c (make_extraction): Check for valid use of subreg.
3859 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3862 * config/i386/i386.md ("*fistdi2_1"): New pattern.
3863 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
3864 ("fist<mode>2_with_temp"): Use only register operands.
3866 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
3868 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
3869 CALL_INSN_FUNCTION_USAGE.
3871 2005-09-26 Richard Guenther <rguenther@suse.de>
3874 * gcse.c: Include hashtab.h, define ldst entry hashtable.
3875 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
3876 (ldst_entry): Use the hashtable instead of list-walking.
3877 (find_rtx_in_ldst): Likewise.
3878 (free_ldst_entry): Free the hashtable.
3879 (compute_ld_motion_mems): Create the hashtable.
3880 (trim_ld_motion_mems): Remove entry from hashtable if
3881 removing it from list.
3882 (compute_store_table): Likewise^2.
3883 (store_motion): Free hashtable in case we did not see
3886 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
3888 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
3889 and arg1 if we are passing them to fold_build2.
3891 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
3894 * config/i386/i386.c (ix86_function_regparm): Fix the test for
3897 2005-09-25 Richard Henderson <rth@redhat.com>
3899 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
3900 SYMBOL_REF_TLS_MODEL to be correct.
3902 2005-09-24 Richard Henderson <rth@redhat.com>
3904 * ipa-type-escape.c (discover_unique_type): Remove dead code at
3905 end of function. Reindent.
3907 2005-09-24 Ian Lance Taylor <ian@airs.com>
3909 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
3910 NEGATE_EXPR/BIT_NOT_EXPR case.
3912 2005-09-24 Richard Henderson <rth@redhat.com>
3914 * c-common.c (handle_mode_attribute): When not modifying in place,
3915 create subtypes for enumerations.
3916 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
3917 * gimplify.c (create_tmp_from_val): Likewise.
3919 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
3921 * config/i386/i386.md (*tls_global_dynamic_64,
3922 *tls_local_dynamic_base_64): Add missing mode to call.
3923 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
3925 2005-09-24 Jan Hubicka <jh@suse.cz>
3927 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
3928 (cgraph_clone_node): Likewise.
3929 * cgraph.h (cgraph_clone_edge): Update prototype.
3930 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
3931 duplicated prototypes; add updating argument.
3932 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
3933 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
3935 (cgraph_mark_inline_edge): Likewise.
3936 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
3937 (cgraph_flatten_node): Likewise.
3938 (cgraph_decide_recursive_inlining): Likewise.
3939 (cgraph_decide_inlining_of_small_function): Likewise.
3940 * tree-optimize.c (tree_rest_of_compilation): Likewise.
3942 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3943 Pete Steinmetz <steinmtz@us.ibm.com>
3945 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
3946 (rldic.): Set type to "compare".
3948 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
3949 mfjmpr for MFCTR/MFLR.
3950 (movdf_hardfloat64): Same.
3951 (movdf_softfloat64): Same. Correct order of store and move types.
3952 (movti_string): Set type to store_ux/load_ux.
3953 (load_multiple): Set type to load_ux.
3954 (store_multiple): Set type to store_ux.
3955 (movmemsi): Set type to store_ux.
3956 (output_cbranch direct_return): Set type to jmpreg.
3957 (stmw): Set type to store_ux.
3958 (lmw): Set type to load_ux.
3959 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
3960 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
3961 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
3962 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
3963 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
3964 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
3965 (rios1-fpstore): Increase latency to 3.
3966 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
3967 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
3969 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3970 Andrew Pinski <pinskia@physics.uc.edu>
3972 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
3973 operand2 constraint to "b".
3974 (sync_<fetchop_name>di_internal): Same.
3975 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
3977 (sync_old_<fetchop_name>di_internal): Same.
3978 (sync_new_<fetchop_name>si_internal): Same.
3979 (sync_new_<fetchop_name>di_internal): Same.
3981 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
3984 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
3985 case, define as macros.
3987 PR rtl-optimization/23837
3988 * optabs.c (no_conflict_move_test): Don't set must_stay for a
3989 clobber / clobber match between dest and p->first.
3991 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
3992 (no_conflict_move_test): Update comments.
3994 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3996 * doc/install.texi: Update URL for Jacks.
3997 * doc/sourcebuild.texi: Likewise.
3999 2005-09-22 David Edelsohn <edelsohn@gnu.org>
4002 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
4003 registers when choosing register preferences.
4004 (movdf_hardfloat64): Same.
4006 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
4008 * expmed.c (expand_shift): Don't use the target of the rotate as
4009 target for the first expanded shift insn.
4010 * testsuite/gcc.dg/20050922-1.c: Testcase added.
4012 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
4014 PR tree-optimization/22438
4015 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
4016 preserved iv rhs rewriting specially.
4018 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
4020 * tree-data-ref.c (analyze_array_indexes): Only estimate when
4021 estimate_only is true.
4022 * tree-flow.h (ref_contains_indirect_ref): New prototype.
4023 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
4024 tree-ssa-structalias.c
4025 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
4026 ref_contains_indirect_ref.
4027 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
4029 2005-09-21 DJ Delorie <dj@redhat.com>
4031 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
4033 (mn10300_return_in_memory): Support variable size types also.
4034 (mn10300_pass_by_reference): Likewise.
4035 (mn10300_function_value): New.
4036 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
4037 (FUNCTION_OUTGOING_VALUE): Likewise.
4038 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
4039 * doc/invoke.texi: Document it.
4041 2005-09-21 Uros Bizjak <uros@kss-loka.si>
4044 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
4045 force integer op1 into register for XFmode compares.
4047 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4050 * expmed.c (alg_code): Add alg_impossible.
4051 (alg_hash_entry): Add cost.
4052 (synth_mult): Record alg_impossible in the hash table if
4053 multiplication by a given integer is impossble within the
4054 limit. Speed up using alg_impossible.
4056 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
4058 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
4059 argument. Allow and set any offset if needs_anyoffset is passed
4061 (get_constraint_for): Add argument here too.
4063 (do_structure_copy): Pass NULL to get_constraint_for.
4064 (handle_ptr_arith): Ditto.
4065 (find_func_aliases): Ditto.
4067 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
4069 PR rtl-optimization/23898
4070 * output.h (get_attr_min_length): Declare.
4071 * final.c (get_attr_length_1): New function, broken out of:
4073 (get_attr_min_length): New function.
4074 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
4075 (duplicate_computed_gotos): Likewise.
4076 * genattr.c (insn_min_length): Generate declaration.
4077 * genattrtab.c (min_fn, min_attr_value): New functions.
4078 (make_length_attrs): Generate insn_min_length.
4080 2005-09-20 Steve Ellcey <sje@cup.hp.com>
4082 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
4084 2005-09-20 Richard Henderson <rth@redhat.com>
4086 PR tree-optimization/24059
4087 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
4090 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
4092 * c.opt (fextended-identifiers): New.
4093 * c-opts.c (c_common_handle_option): Handle
4094 -fextended-identifiers.
4095 * doc/cpp.texi: Update documentation of extended identifiers.
4096 * doc/cppopts.texi (-fextended-identifiers): Document.
4098 2005-09-20 Jakub Jelinek <jakub@redhat.com>
4100 PR tree-optimization/23929
4101 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
4104 PR tree-optimization/23818
4105 * tree-stdarg.c (execute_optimize_stdarg): Call
4106 calculate_dominance_info.
4108 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
4110 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
4111 (analyze_siv_subscript_cst_affine): Add weak SIV test.
4112 (compute_overlap_steps_for_affine_1_2): Use
4113 get_number_of_iters_for_loop.
4114 (analyze_subscript_affine_affine): Check whether difference is
4116 Use get_number_of_iters_for_loop.
4117 Check whether overlap occurs outside of bounds.
4118 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
4120 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
4122 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
4123 base register if possible.
4125 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
4127 PR tree-optimization/18463
4128 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
4129 converting it directly is not possible.
4130 (chrec_convert_aggressive): New function.
4131 * tree-chrec.h (chrec_convert_aggressive): Declare.
4132 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
4133 Fold chrec conversions aggressively if asked to.
4134 (instantiate_parameters): Modified because of changes in
4135 instantiate_parameters_1.
4137 2005-09-19 Richard Henderson <rth@redhat.com>
4139 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
4140 (reduc_splus_v2df): New.
4142 2005-09-19 Richard Sandiford <richard@codesourcery.com>
4144 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
4145 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
4147 2005-09-19 Richard Henderson <rth@redhat.com>
4149 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
4152 2005-09-19 Richard Henderson <rth@redhat.com>
4154 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
4155 (ia64_expand_dot_prod_v8qi): New.
4156 * config/ia64/ia64-protos.h: Update.
4157 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
4158 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
4159 sdot_prodv8qi, sdot_prodv4hi): New.
4160 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
4162 2005-09-19 Richard Henderson <rth@redhat.com>
4165 * real.c (exact_real_truncate): Return false if the format cannot
4166 represent the number as a normal.
4168 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
4169 for a memory source.
4171 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
4173 * tree-ssa-operands.c (swap_tree_operands): Export.
4174 * tree.h (swap_tree_operands): Declare.
4175 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
4176 Call swap_tree_operands.
4178 2005-09-19 Richard Henderson <rth@redhat.com>
4180 * tree-flow.h (merge_alias_info): Declare.
4181 * tree-ssa-copy.c (merge_alias_info): Export.
4182 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
4183 (vect_create_data_ref_ptr): Use create_iv directly.
4184 (vectorizable_load): Use correct types for integer constants.
4185 (vect_generate_tmps_on_preheader): Likewise.
4186 (vect_gen_niters_for_prolog_loop): Likewise.
4188 2005-09-19 Steven Bosscher <stevenb@suse.de>
4190 PR rtl-optimization/23943
4191 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
4193 2005-09-18 Jan Hubicka <jh@suse.cz>
4195 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
4197 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
4199 * varasm.c (output_constant): Do not abort on conversions to union
4200 types between different sizes.
4202 2005-09-18 Richard Guenther <rguenther@suse.de>
4205 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
4208 2005-09-18 Paul Brook <paul@codesourcery.com>
4210 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
4212 2005-09-17 Richard Henderson <rth@redhat.com>
4214 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
4215 * tree-ssa-loop.c (pass_vect_dce): Remove.
4216 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
4219 2005-09-17 Richard Henderson <rth@redhat.com>
4221 * tree-pass.h (pass_vect_dce): Declare.
4222 * passes.c (init_optimization_passes): Add it.
4223 * tree-flow.h (tree_ssa_dce): Declare.
4224 * tree-ssa-dce.c (tree_ssa_dce): Export.
4225 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
4226 (gate_tree_vectorize): ... here.
4227 (pass_vect_dce): New.
4229 2005-09-17 Jan Hubicka <jh@suse.cz>
4231 * except.c (struct eh_status): Turn region_array into vec.
4232 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
4233 convert_from_eh_region_ranges, find_exception_handler_labels,
4234 current_function_has_exception_handlers, assign_filter_values,
4235 build_post_landing_pads, dw2_build_landing_pads,
4236 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
4237 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
4238 foreach_reachable_handler, can_throw_internal_1,
4239 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
4241 (duplicate_eh_region_1): Update region_array.
4242 (duplicate_eh_regions): Resize region_array and avoid recomputing.
4244 2005-09-17 David Edelsohn <edelsohn@gnu.org>
4247 * expmed.c (expand_mult): Substitute simple register for op0 when
4250 2005-09-17 Richard Henderson <rth@redhat.com>
4252 * expr.c (emit_move_via_integer): Add force argument, pass it on
4253 to emit_move_change_mode. Update callers.
4254 (emit_move_complex): Pass true to new force argument.
4255 * function.c (expand_function_end): Move expand_eh_return call
4256 earlier. Merge sub-word complex values into a pseudo before
4257 copying to the return hard register.
4259 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
4261 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
4262 between different sizes.
4264 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
4268 * passes.c (init_optimization_passes): Register dump files for
4271 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
4273 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
4274 * config/s390/s390.c (s390_overlap_p): New function.
4275 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
4276 peephole2, "*xc" peephole2): Added overlap check to the peephole2
4279 2005-09-16 Richard Guenther <rguenther@suse.de>
4281 * ipa-pure-const.c (static_execute): Free auxiliar information.
4282 * ipa-type-escape.c (discover_unique_type): Free temporary key.
4283 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
4285 2005-09-15 DJ Delorie <dj@redhat.com>
4287 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
4289 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
4291 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4293 (swap_commutative_operands_with_target): New.
4295 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
4297 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
4300 (estimate_iters_using_array): New function.
4301 * tree-data-ref.h (estimate_iters_using_array): Prototype
4302 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4303 Use estimate_iters_using_array instead of analyze_array.
4305 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
4307 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
4310 2005-09-15 Michael Matz <matz@suse.de>
4312 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
4314 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
4316 PR tree-optimization/23835
4317 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
4318 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
4320 2005-09-14 Richard Henderson <rth@redhat.com>
4322 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
4323 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
4325 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
4327 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
4328 in the ARRAY_TYPE case.
4330 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
4332 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
4334 2005-09-14 Uros Bizjak <uros@kss-loka.si>
4337 * tree-vect-transform.c (vectorizable_operation): Return false for
4338 scalar shift operations and for vector shift operations with
4339 non-invariant shift arguments. Use scalar tree operand op1 as
4340 a shift operand when vector shift insn pattern uses scalar shift
4342 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
4344 2005-09-14 Olivier Hainque <hainque@adacore.com>
4346 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
4347 value if it has side-effects.
4349 2005-09-14 David Edelsohn <edelsohn@gnu.org>
4352 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
4354 2005-09-14 Alan Modra <amodra@bigpond.net.au>
4356 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
4357 passed as NAME as if it were label at start of function code.
4359 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
4361 * config/sh/sh.md (*movv4sf_i): Add general register cases to
4364 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4366 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
4367 as early clobber. Rewrite so the PIC register is not implicitly used.
4369 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4371 * tree.c (annotate_with_file_line): Compare line numbers before
4374 2005-09-13 Uros Bizjak <uros@kss-loka.si>
4377 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
4378 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
4380 2005-09-13 Ian Lance Taylor <ian@airs.com>
4382 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
4383 than a HOST_WIDEST_INT to gen_doloop_begin.
4385 2005-09-13 Diego Novillo <dnovillo@redhat.com>
4387 * tree-dfa.c (dump_variable): Guard against NULL annotations.
4389 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
4391 PR tree-optimize/23817
4392 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
4394 2005-09-13 Alan Modra <amodra@bigpond.net.au>
4397 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
4398 word before changing the stack pointer. Use gen_frame_mem for MEMs.
4399 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
4400 (restore_stack_nonlocal): Likewise.
4401 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
4403 2005-09-12 Ian Lance Taylor <ian@airs.com>
4406 * c.opt (ffriend-injection): New C++ option.
4407 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
4408 (C++ Dialect Options): Document -ffriend-injection.
4410 2005-09-12 Josh Conner <jconner@apple.com>
4413 * ipa-reference.c (static_execute): Don't mark variables in
4414 named sections TREE_READONLY.
4416 2005-09-12 Alan Modra <amodra@bigpond.net.au>
4418 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
4421 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4423 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
4424 V_MUST_DEF instead of just the first_use_p.
4425 Don't mark the virtual variables for renaming on the statement which
4427 (pass_dse): Remove TODO_update_ssa.
4429 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
4432 * stor-layout.c (compute_record_mode): For records with a single
4433 field, actually check the field's mode size against the type size.
4435 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
4436 registers for TARGET_SHMEDIA.
4437 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
4438 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
4439 of GENERAL_REGS and FP_REGS.
4441 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
4443 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
4445 2005-09-12 Alan Modra <amodra@bigpond.net.au>
4447 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
4448 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
4449 are omitted. Exclude stack_tie insn too.
4451 2005-09-11 David Edelsohn <edelsohn@gnu.org>
4453 PR rtl-optimization/23098
4454 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
4456 * config/rs6000/rs6000.md (movdf splitter): Use
4457 const_double_operand predicate for TARGET_POWERPC64.
4458 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
4459 SYMBOL_REF method to ABI_V4.
4461 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
4462 replace_equiv_address.
4463 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
4464 rs6000_sr_alias_set and MEM_NOTRAP.
4465 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
4467 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
4469 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
4470 handle CALL_EXPR again.
4472 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
4474 * arm/predicates.md (alignable_memory_operand): Delete.
4476 2005-09-10 Richard Henderson <rth@redhat.com>
4479 * dbxout.c (dbxout_expand_expr): New.
4480 (dbxout_symbol): Use it.
4482 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
4484 * arm.c (arm_gen_rotated_half_load): Delete.
4485 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
4486 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
4487 (thumb_set_return_address): Likewise.
4488 (thumb_load_double_from_address): Use adjust_address.
4489 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
4490 (extendhsisi2_mem, movhi_bytes): Use change_address.
4491 (movhi): Use widen_memory_access.
4492 (reload_out_df): Use replace_equiv_address.
4493 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
4495 2005-09-09 Richard Henderson <rth@redhat.com>
4498 * dbxout.c: Include expr.h.
4499 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
4500 (dbxout_symbol): Handle DECL_VALUE_EXPR.
4501 * Makefile.in (dbxout.o): Add EXPR_H.
4503 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
4505 PR tree-optimization/23509
4506 * tree-cfg.c (replace_uses_by): Use replace_exp.
4507 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
4508 pointers have name_mem_tag or type_mem_tag set.
4510 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4512 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
4513 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
4514 of wrongly accessing operands.
4516 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4518 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
4519 * tree-chrec.c: Include tree-scalar-evolution.h.
4520 (chrec_convert): Instantiate the base and step before calling
4521 scev_probably_wraps_p that would fail on parametric evolutions.
4522 Collect all the fails into a single section failed_to_convert,
4523 print a diagnostic, and return chrec_dont_know instead of calling
4525 * tree-scalar-evolution.c (loop_closed_phi_def): New.
4526 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
4528 (scev_const_prop): Don't replace the definition of a loop closed ssa
4529 phi node by itself, or by another loop closed ssa phi node.
4530 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
4531 that base and step are defined.
4533 2005-09-09 Richard Guenther <rguenther@suse.de>
4536 * fold-const.c (fold_ternary): Check truth_value_p before
4537 calling invert_truthvalue.
4539 2005-09-09 Nick Clifton <nickc@redhat.com>
4541 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
4542 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
4543 dimension of these arrays.
4544 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
4546 * longlong.h: Only provide a prototype for the __clz_tab[] array
4547 if this header has not been included from libgcc2.h.
4548 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
4550 Provide prototypes for exported functions.
4551 Use the __clz_tab[] and __popcount_tab[] arrays provided by
4554 2005-09-08 Josh Conner <jconner@apple.com>
4558 * expr.c (expand_expr_addr_expr_1): Don't invoke
4559 expand_simple_binop for EXPAND_INITIALIZER.
4561 2005-09-08 Richard Henderson <rth@redhat.com>
4564 * toplev.c (wrapup_global_declaration_1): Split out ...
4565 (wrapup_global_declaration_2): ... from ...
4566 (wrapup_global_declarations): ... here. Return bool.
4567 (check_global_declaration_1): Split out ...
4568 (check_global_declarations): from here.
4569 (emit_debug_global_declarations): New.
4570 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
4571 check_global_declaration_1, emit_debug_global_declarations): Declare.
4572 * c-decl.c (c_write_global_declarations_1): Don't create a vector
4573 of decls. Call wrapup_global_declaration_1,
4574 wrapup_global_declaration_2, check_global_declaration_1 directly.
4575 (c_write_global_declarations_2): New.
4577 (c_write_global_declarations): Call c_write_global_declarations_2.
4578 * langhooks.c (write_global_declarations): Call
4579 emit_debug_global_declarations.
4581 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
4582 remove decls that have DECL_RTL_SET_P.
4583 * passes.c (rest_of_decl_compilation): Invoke
4584 cgraph_varpool_finalize_decl for all but functions.
4586 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
4588 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
4589 the result of a conversion if the new min and max cannot be compared.
4591 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
4593 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
4594 (override_options): Setting s390_sr_alias_set removed.
4595 (save_fpr, save_gprs): Set alias set to vararg or frame.
4596 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
4597 s390_sr_alias_set with get_frame_alias_set ().
4598 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
4599 get_varargs_alias_set ().
4601 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4605 * c-parser.c (c_parser_objc_method_definition): If the next
4606 token is not "{", error out and don't start the function.
4608 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4610 * tree-vrp.c (extract_range_from_expr): Move the check for non
4611 nullness after the check for gimple invariant.
4613 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4615 * tree.c (host_integerp, tree_low_cst): Correct function comment.
4617 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4620 * config/m32r.md (movmemsi_internal): Canonicalize order of
4621 operands in PLUS component of template.
4623 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
4625 * reload1.c (fixup_eh_region_note): Remove assertion.
4626 (fixup_abnormal_edges): Reverted removal of call to
4627 find_many_sub_basic_blocks made on 2005-08-31.
4629 2005-09-07 Richard Henderson <rth@redhat.com>
4631 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
4632 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
4633 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
4634 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
4635 rearrange for better packing.
4636 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
4637 (lookup_cfa_1): Remove inline marker.
4638 (cfa_equal_p): Split out of ...
4639 (def_cfa_1): ... here. Use INVALID_REGNUM.
4640 (build_cfa_loc): Handle !cfa->indirect.
4641 (frame_pointer_cfa_offset): New.
4642 (dbx_reg_number): Assert register elimination performed; do
4643 leaf register remapping.
4644 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
4645 (eliminate_reg_to_offset): New.
4646 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
4647 for verifiably local stack frame addresses; re-base to CFA.
4648 (mem_loc_descriptor): Remove can_use_fbreg argument.
4649 (concat_loc_descriptor, loc_descriptor): Likewise.
4650 (containing_function_has_frame_base): Remove.
4651 (rtl_for_decl_location): Don't do register elimination or
4652 leaf register remapping here.
4653 (secname_for_decl): Split out from ..
4654 (add_location_or_const_value_attribute): ... here.
4655 (convert_cfa_to_loc_list): New.
4656 (compute_frame_pointer_to_cfa_displacement): New.
4657 (gen_subprogram_die): Use them.
4658 * tree.h (frame_base_decl): Remove.
4659 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
4660 (prologue_stack_adjust): Remove.
4661 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
4662 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
4663 (set_frame_base_location): Remove.
4664 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
4665 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
4666 (vt_add_function_parameters): Don't eliminate_regs.
4667 (vt_initialize): Don't create frame_base_decl.
4669 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4671 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
4672 version of GNU binutils for 4.x and later.
4674 2005-09-06 Mark Mitchell <mark@codesourcery.com>
4676 * ggc-page.c (ggc_push_context): Remove.
4677 (ggc_pop_context): Likewise.
4678 * ggc.h (ggc_push_context): Remove.
4679 (ggc_pop_context): Likewise.
4681 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4684 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
4685 returning from an interrupt handler.
4687 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4690 * config/arc/arc.c (output_shift): Add check for loop count when
4693 2005-09-06 Steven Bosscher <stevenb@suse.de>
4695 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
4697 (abs_replacement): Likewise.
4698 (pass_phiopt): Remove TODO_update_ssa.
4700 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4703 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
4704 if "return with no value, in function returning non-void" warning
4706 * tree-cfg.c (execute_warn_function_return): Don't look at
4707 RETURN_EXPRs with TREE_NO_WARNING set.
4710 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
4711 for internal functions doesn't use registers used by global registers
4712 variables. Use fewer register parameters if there are global register
4715 2005-09-06 Olivier Hainque <hainque@adacore.com>
4716 Eric Botcazou <ebotcazou@adacore.com>
4719 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
4720 when we would be extracting outside its bit span (bitpos+bitsize
4721 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
4722 Ada unchecked conversions.
4724 2005-09-06 Steven Bosscher <stevenb@suse.de>
4726 * tree-ssa-pre.c (try_look_through_load): New function.
4727 (compute_avail): Use it to try to look through loads for some
4728 more useful expressions.
4730 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4732 * simplify-rtx.c (simplify_binary_operation_1): Correct the
4733 condition for detecting cases like (a&a) and (a^a).
4735 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
4737 * common.opt: Add option ftree-vect-loop-version.
4738 * params.def: Add --param vect-max-version-checks.
4739 * doc/invoke.texi: Document ftree-vect-loop-version and
4740 --param vect-max-version-checks.
4741 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
4742 may_misalign_stmts and defines for accessors.
4743 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
4744 LOOP_VINFO_MAY_MISALIGN_STMTS.
4745 (destroy_loop_vec_info): VEC_free for
4746 LOOP_VINFO_MAY_MISALIGN_STMTS.
4747 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4748 Update documentation.
4749 (vect_update_misalignment_for_peel): New.
4750 (vect_enhance_data_refs_alignment): Update to choose loop
4751 peeling or loop versioning if appropriate for the (potentially)
4752 unaligned data references in the loop.
4753 (vect_analyze_data_refs_alignment): Remove call to
4754 vect_enhance_data_refs_alignment so the checks can be done
4756 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
4757 and move up call to vect_analyze_data_refs_alignment.
4758 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
4759 (vect_transform_loop): Add call to loop_version.
4761 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4763 PR rtl-optimization/23098
4764 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
4765 * simplify-rtx.c (constant_pool_reference_p): New function.
4766 * rtl.h (constant_pool_reference_p): New prototype.
4767 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
4768 constant_pool_reference_p in condition and
4769 avoid_constant_pool_reference in preparation statements.
4771 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
4773 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
4774 STRICT_LOW_PART SETs.
4776 2005-09-06 Alan Modra <amodra@bigpond.net.au>
4779 * except.c (sjlj_emit_function_enter): Find the function begin
4780 note even when it's not in first basic block.
4782 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
4784 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
4785 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
4786 * aclocal.m4: Regenerate.
4788 2005-09-05 DJ Delorie <dj@redhat.com>
4790 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
4793 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
4795 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
4796 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
4797 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
4798 Follow spelling conventions.
4799 * doc/invoke.texi: Follow spelling conventions.
4801 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4803 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
4804 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
4805 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
4807 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4810 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
4811 (output_stack_adjust): Use gen_tmp_stack_mem.
4812 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
4813 (sh_set_return_address, sh_allocate_initial_value): Likewise.
4814 (sh_get_pr_initial_val): Likewise.
4815 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
4816 (sh_initialize_trampoline): Likewise. Also use adjust_address.
4817 * sh.md (divsi_inv_m0): Use gen_const_mem.
4818 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
4819 (movdf_i4+1): Use gen_tmp_stack_mem.
4820 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
4821 (fpu_switch+2): Likewise.
4822 (movv4sf_i, movv16sf_i): Use adjust_address.
4823 (symGOT_load): Set MEM_NOTRAP_P bit.
4825 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4828 * pa.c (emit_move_sequence): Fix typo in last change.
4830 2005-09-03 Jakub Jelinek <jakub@redhat.com>
4832 PR rtl-optimization/23454
4833 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
4836 2005-09-03 Richard Henderson <rth@redhat.com>
4837 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4840 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
4843 2005-09-02 Nicolas Pitre <nico@cam.org>
4845 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
4846 to bit_count to 32 bits.
4848 2005-08-31 Mark Mitchell <mark@codesourcery.com>
4851 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
4852 generating synthetic loads from volatile lvalues.
4854 005-09-02 Nick Clifton <nickc@redhat.com>
4856 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
4857 __ctzhi2, __clzhi2): New functions.
4859 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
4862 * tree-nested.c (struct var_map_elt): Mark with GTY.
4863 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
4865 (lookup_field_for_decl): Allocate new element in GC memory.
4866 (lookup_tramp_for_decl): Likewise.
4867 (convert_nl_goto_reference): Likewise
4868 (create_nesting_tree): Allocate info in GC memory. Likewise for
4870 (free_nesting_tree): Free with ggc_free instead of free.
4871 (root): New static variable.
4872 (lower_nested_functions): Remove root as local variable. And zero out
4873 root at the end of the function.
4875 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
4877 PR rtl-optimization/20365
4878 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
4879 to short. New member ix.
4880 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
4881 (simplify_plus_minus): Initialize ix members before calling qsort.
4883 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
4885 PR tree-optimization/23626
4886 * tree-cfg.c (replace_uses_by): Clean up eh info.
4888 2005-09-01 DJ Delorie <dj@redhat.com>
4890 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
4893 2005-09-01 David Edelsohn <edelsohn@gnu.org>
4895 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
4896 (rs6000_split_multireg_move): Use replace_equiv_address instead of
4899 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
4901 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
4902 do not issue warning for a variable definition following
4905 2005-09-01 Richard Henderson <rth@redhat.com>
4908 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
4909 conversion to CONST_VECTOR.
4911 2005-09-01 Richard Henderson <rth@redhat.com>
4914 * reload1.c (reload_as_needed): Check !CALL_P before calling
4915 fixup_eh_region_note.
4916 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
4918 2005-09-01 DJ Delorie <dj@redhat.com>
4920 * varasm.c (output_constant): Let the target resolve
4921 conversions of addresses to non-default pointer sizes.
4923 2005-09-01 Nicolas Pitre <nico@cam.org>
4925 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
4926 to alow matching ARM pre-indexed addressing mode.
4927 (arm_override_options): Remove now irrelevant comment.
4929 2005-09-01 Phil Edwards <phil@codesourcery.com>
4931 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
4932 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
4933 * config/i386/vxworks.h: Likewise.
4934 * config/i386/t-vxworksae: New file, for VxWorks AE.
4935 * config/i386/vxworksae.h: Likewise.
4937 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
4939 PR tree-optimization/23410
4940 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
4941 sequence is not wrapping during the first step.
4943 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4946 * dwarf2out.c (base_type_die): Compare char_type_node with
4947 TYPE_MAIN_VARIANT (type), not type.
4949 2005-09-01 Richard Guenther <rguenther@suse.de>
4951 PR tree-optimization/15366
4952 * common.opt: Add -finline-functions-called-once.
4953 Put -fearly-inlining in alphabetically ordered place.
4954 * doc/invoke.texi: Document new option.
4955 * ipa-inline.c (cgraph_decide_inlining): Honour
4956 flag_inline_functions_called_once.
4958 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4960 PR rtl-optimization/23478
4961 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
4962 (alloc_qty): Initialize it.
4963 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
4964 (combine_regs): Combine also n_throwing_calls_crossed fields.
4965 (find_free_reg): Don't attempt to caller-save pseudos crossing
4966 calls that might throw.
4967 * global.c (struct allocno): Add throwing_calls_crossed field.
4968 (global_alloc): Revert 2005-08-22 change. Initialize
4969 throwing_calls_crossed.
4970 (find_reg): Don't attempt to caller-save pseudos crossing calls that
4973 2005-09-01 Alan Modra <amodra@bigpond.net.au>
4976 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
4977 (mask64_operand): Reinstate code prior to 2005-06-11 change.
4978 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
4979 (and64_2_operand): Tweak to use predicate.
4980 (and_operand): Adjust for mask_operand changes.
4981 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
4982 (print_operand): Likewise.
4983 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
4984 (mask64_1or2_operand): Delete.
4985 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
4986 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
4987 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
4988 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
4989 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
4990 (rotldi3_internal4): Likewise.
4991 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
4992 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
4993 (ashldi3_internal7): Likewise.
4994 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
4995 (ashldi3_internal, ashldi3_internal9 split): Likewise.
4996 (anddi3 split): Don't match mask64_operand.
4997 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
4998 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
4999 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
5000 't' splitter predicate.
5001 (movdi_internal64 + 2): Revert 2005-06-11 change.
5003 2005-08-31 DJ Delorie <dj@redhat.com>
5005 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
5006 (m32c_asm_integer): Add support for 32 bit pointers.
5008 2005-08-31 Richard Henderson <rth@redhat.com>
5010 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
5011 component-like references for setting MEM_NOTRAP_P.
5013 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
5014 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
5016 2005-08-31 Richard Henderson <rth@redhat.com>
5018 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
5019 into a pseudo before applying gen_lowpart.
5021 2005-08-31 Geoffrey Keating <geoffk@apple.com>
5023 * doc/install.texi (Specific): Update cctools version required
5024 for full functionality.
5025 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
5026 linkers as -macosx_version_min.
5028 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
5031 * sh.c (print_operand, %R and %S): Add handling of floating point
5032 registers, memory, constants and invalid operands.
5034 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
5036 * ipa-pure-const.c: Change dump name.
5038 2005-08-31 Uros Bizjak <uros@kss-loka.si>
5041 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
5042 to "reg_or_0_operand".
5043 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
5045 2005-08-31 Dale Johannesen <dalej@apple.com>
5047 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
5048 loops that count down.
5050 2005-08-31 Richard Henderson <rth@redhat.com>
5053 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
5054 (fixup_eh_region_note): New.
5055 (reload_as_needed): Call it.
5056 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
5057 don't call find_many_sub_basic_blocks; call verify_flow_info.
5058 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
5059 (keep_stack_depressed): Likewise.
5060 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
5062 2005-08-31 Richard Henderson <rth@redhat.com>
5064 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
5067 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
5069 * expr.c (expand_expr_real_1): Compare size of address
5070 mode to target's address mode size in deciding expansion of
5071 the constant address.
5073 2005-08-31 Richard Guenther <rguenther@suse.de>
5076 * expr.c (all_zeros_p): New function.
5077 (expand_expr_real_1): Handle the case of an all-zero
5078 non-addressable constructor separately.
5080 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
5082 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
5083 arguments, adjust all callers.
5084 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
5086 2005-08-30 Richard Henderson <rth@redhat.com>
5089 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
5090 whenever the mode sizes match.
5092 2005-08-31 Alan Modra <amodra@bigpond.net.au>
5094 * calls.c (load_register_parameters): Fix comment typo.
5095 * expr.c (emit_push_insn): Comment formatting.
5097 2005-08-30 Ian Lance Taylor <ian@airs.com>
5099 * config/i386/x-cygwin (host-cygwin): Change dependency from
5100 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
5102 2005-08-29 Geoffrey Keating <geoffk@apple.com>
5104 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
5107 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5110 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
5111 call to ggc_collect.
5113 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
5116 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
5117 beginning. Remove $(INCLUDES) from all the rules, if following
5118 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
5120 2005-08-29 Jakub Jelinek <jakub@redhat.com>
5123 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
5124 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
5125 not constant, but maxlen is, don't set len to maxlen, rather
5126 set maxlen to len if len is a constant.
5128 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
5130 PR tree-optimization/23475
5131 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
5134 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
5136 Fix PR middle-end/22455
5138 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
5139 Checksum only the parts of the tree that exist for the tree code.
5141 2005-08-28 Dale Johannesen <dalej@apple.com>
5143 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
5145 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
5147 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
5149 2005-08-28 Richard Henderson <rth@redhat.com>
5151 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
5152 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
5155 2005-08-28 Jakub Jelinek <jakub@redhat.com>
5158 * builtins.c (get_memory_rtx): Don't strip nops
5159 in between COMPONENT_REFs.
5161 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
5164 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
5166 (gimplify_modify_expr): Check for zero sized types and gimplify the
5167 rhs and lhs as statements.
5169 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
5172 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
5173 state for return address column of signal frames.
5175 2005-08-27 David Edelsohn <edelsohn@gnu.org>
5178 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
5179 bytes >= 2 not bytes == 2.
5180 (expand_block_move): Same.
5182 2005-08-27 Richard Guenther <rguenther@suse.de>
5185 * config/i386/sse.md (sse2_movsd): Add missing closing
5188 2005-08-27 Paul Brook <paul@codesourcery.com>
5190 * genrecog.c (enum decision_type): Add DT_num_insns.
5191 (struct decision_test): Add u.num_insns.
5192 (add_to_sequence): Add DT_num_insns test.
5193 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
5194 (write_cond, debug_decision_2): Ditto.
5195 (change_state): Assume peep2_next_insn never fails.
5196 Remove "afterward" argument.
5197 (write afterward, write_tree): Update to match.
5198 * recog.c (peep2_current_count): New variable.
5199 (peep2_next_insn): Check it.
5200 (peephole2_optimize): Set peep2_current_count.
5201 * recog.h (peep2_current_count): Declare.
5203 2005-08-26 Josh Conner <jconner@apple.com>
5206 * ipa-pure-const.c (check_tree): Check for volatile-ness
5207 when considering a dereference.
5209 2005-08-27 Jakub Jelinek <jakub@redhat.com>
5211 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
5213 2005-08-26 Jakub Jelinek <jakub@redhat.com>
5215 PR rtl-optimization/23561
5216 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
5217 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
5218 at most LEN bytes long memory fits into the field.
5219 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
5220 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
5221 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
5223 2005-08-26 Richard Henderson <rth@redhat.com>
5226 * loop.c (biased_biv_may_wrap_p): New.
5227 (maybe_eliminate_biv_1): Use it to suppress non-equality
5228 comparison transformations. Delete disabled code.
5230 2005-08-26 Ian Lance Taylor <ian@airs.com>
5232 * combine.c (make_extraction): Avoid reference outside object.
5234 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
5236 * stor-layout.c (finalize_type_size): Restore behaviour for
5237 non-aggregate types to the status quo ante of the patch for
5238 pr 23467. Document why it matters.
5240 2005-08-26 Jakub Jelinek <jakub@redhat.com>
5243 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
5244 array by one element, initialize the BT_LAST element with NULL.
5246 2005-08-26 David Edelsohn <edelsohn@gnu.org>
5248 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
5249 optimizing for size.
5251 (compare_plus_eqsi): Same.
5252 (plus_eqsi_compare): Same.
5253 (neg_eq0<mode>): Same.
5254 (neg_eq<mode>): Same.
5256 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
5259 2005-08-26 Nick Clifton <nickc@redhat.com>
5261 * config/v850/v850.c (ep_memory_operand): Return FALSE if
5262 TARGET_EP is not defined.
5263 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
5264 TARGET_EP is enabled.
5265 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
5266 * config/v850/v850.md (save_all_interrupt): Only use the EP
5267 register if TARGET_EP is defined.
5268 (restore_all_interrupt): Likewise.
5269 * config/v850/lib1funcs.asm: Update functions so that the EP
5270 register is only used if __EP__ is defined.
5272 2005-08-26 David Ung <davidu@mips.com>
5274 * config/mips/mips.c (mips_expand_prologue): Handle case when
5275 generating for MIPS16 and the outgoing argument area is more than
5276 SMALL_OPERAND. Use the frame pointer as temporary to generate the
5279 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
5281 * config/crx/crx.md: Make doloop_end pattern usage controllable
5282 via mloop-nesting=<max-nesting> command line switch. Make sure
5283 the combiner cannot use doloop_end_<mode> in an illegal way.
5284 * config/crx/crx.c: Use regs up to r6 for argument passing.
5285 Refine crx_address_cost (non cst4 displacements are expensive).
5286 * config/crx/crx.opt: Add switch for mloop-nesting=.
5288 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
5290 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
5291 (UNSPEC_MVST): New constant.
5293 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
5295 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
5296 Reject operands containing eliminable registers.
5297 * testsuite/gcc.dg/20050825-1.c: New testcase.
5299 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5300 Jan Hubicka <jh@suse.cz>
5302 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
5304 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5306 PR tree-optimization/23546
5307 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
5310 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
5312 * params.def (PARAM_MIN_SPEC_PROB): New.
5313 * sched-rgn.c (MIN_PROBABILITY): Delete.
5314 (compute_trg_info): Convert to PARAM_VALUE.
5315 * doc/invoke.texi (param): Document min-spec-prob.
5317 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
5319 * config/darwin.h: define __PIC__
5320 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
5321 TARGET_OS_CPP_BUILTINS macro.
5323 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5325 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
5328 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
5330 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
5332 * cfghooks.c (duplicate_block): Added position where to place
5333 new block as argument.
5334 * cfghooks.h (duplicate_block): Declaration changed.
5335 * cfglayout.c (copy_bbs): Add argument after. Pass it to
5337 * cfglayout.h (copy_bbs): Declaration changed.
5338 * cfgloop.h (loop_version): Declaration changed.
5339 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
5340 position to copy_bbs.
5341 (loop_version): Pass position to duplicate_loop_to_header_edge.
5342 Add place_after argument and position new blocks according to
5344 * modulo-sched.c (sms_schedule): Pass place_after argument
5346 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
5347 * tree-cfg.c (split_edge_bb_loc): New function.
5348 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
5349 to determine position of new blocks.
5350 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
5352 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
5353 argument to duplicate_block.
5354 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
5355 Pass position to copy_bbs.
5357 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
5359 * fold-const.c (ptr_difference_const): Use
5360 cst_and_fits_in_hwi instead of host_integerp.
5362 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5364 * config/darwin.c (gen_pic_offset): New.
5365 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
5368 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
5370 PR tree-optimization/23486
5371 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
5373 2005-08-23 Phil Edwards <phil@codesourcery.com>
5375 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
5376 remove use_collect2.
5377 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
5379 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
5380 configuration files to override the default value.
5382 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
5383 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
5384 * config/vx-common.h: New file, split out from...
5385 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
5386 * config/vxworksae.h: New file, for VxWorks AE.
5387 * config/vxworks.opt: New file.
5388 * config/vxlib.c: Update for VxWorks 6.
5390 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
5391 other MULTILIB_* variables appropriately.
5392 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
5393 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
5394 * config/rs6000/vxworks.h: Update for VxWorks 6.
5395 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
5397 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
5400 * config/darwin.c (machopic_select_section): Remove the hack to
5401 mark "::operator new" and "::operator delete" for coalescing
5402 even though they are not weak.
5404 2005-08-24 Alan Modra <amodra@bigpond.net.au>
5406 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
5407 * configure: Regenerate.
5409 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
5412 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
5414 * convert.c (convert_to_integer, convert_to_vector): Likewise.
5415 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
5418 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
5420 * config/rs6000/predicates.md (equality_operator): New.
5421 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
5422 comparison with a large constant.
5424 2005-08-23 Mark Mitchell <mark@codesourcery.com>
5426 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
5428 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
5430 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
5431 registers is even, and we have a hardware double precision fp,
5433 (sh_gimplify_va_arg_expr): For floating point arguments, consider
5434 size of current argument when checking if argument was passed in
5437 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
5440 * stor-layout.c (finalize_type_size): Dont override
5441 existing alignment with a smaller alignment from the mode.
5443 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
5445 * lambda-code.c (lambda_vector_lexico_pos): Moved...
5446 * lambda.h (lambda_vector_lexico_pos): ... here.
5447 * tree-data-ref.c (build_classic_dist_vector): Return false when
5448 the distance vector is lexicographically negative.
5450 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
5452 PR tree-optimization/23511
5453 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
5454 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
5456 2005-08-23 Jakub Jelinek <jakub@redhat.com>
5458 PR tree-optimization/22043
5459 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
5460 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
5461 If ALLOW_FLEXARR, handle types ending with flexible array member.
5462 Pass false as second argument to recursive count_type_elements calls.
5463 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
5464 argument to count_type_elements call.
5465 * tree-sra.c (decide_block_copy): Likewise.
5466 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
5467 for a constant-sized object, set cleared as well. Pass true as
5468 second argument to count_type_elements call.
5470 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5473 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
5474 from legitimate_small_data_p, and make global. Update use.
5475 Remove forward declaration.
5476 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
5478 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
5480 2005-08-23 David Edelsohn <edelsohn@gnu.org>
5482 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
5483 of scratch intermediates.
5484 (eq<mode>_compare): Same.
5485 (neg_eq0<mode>): New.
5486 (neg_eq<mode>): Convert to define_insn_and_split.
5488 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5491 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
5492 stdarg functions, set/clear the fp marker even when no variable
5494 * config/rs6000/sysv4.opt (mprototype): Describe.
5496 2005-08-22 Jakub Jelinek <jakub@redhat.com>
5498 PR rtl-optimization/23478
5499 * regs.h (reg_info): Add throw_calls_crossed.
5500 (REG_N_THROWING_CALLS_CROSSED): Define.
5501 * flow.c (allocate_reg_life_data): Initialize
5502 REG_N_THROWING_CALLS_CROSSED.
5503 (propagate_one_insn, attempt_auto_inc): Update
5504 REG_N_THROWING_CALLS_CROSSED.
5505 * global.c (global_alloc): Don't allocate pseudos across
5506 calls that may throw.
5508 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
5511 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
5512 value is inbetween the range if we did not find an exact match.
5514 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
5516 * doc/invoke.texi (Option Summary): Add ms1 options.
5517 * doc/extend.texi: Document interrupt handler attribute for ms1.
5518 * doc/md.texi: Document ms1 constraints.
5519 * config.gcc: Add ms1-*-elf.
5520 * config/ms1/ms1.h: New.
5521 * config/ms1/ms1.c: New.
5522 * config/ms1/ms1.md: New.
5523 * config/ms1/ms1-protos.h: New.
5524 * config/ms1/ABI.txt: New.
5525 * config/ms1/crti.asm: New.
5526 * config/ms1/crtn.asm: New.
5527 * config/ms1/lib2extra-funcs.c: New.
5528 * config/ms1/t-ms1: New.
5529 * config/ms1/ms1.opt: New.
5531 2005-08-22 Ira Rosen <irar@il.ibm.com>
5533 * config/rs6000/altivec.md (xorv4sf3): New.
5534 (negv4sf2, neg<mode>2): Likewise.
5536 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
5539 * config/ia64/ia64.md (divsi3): Check divide by zero.
5540 (udivsi3): Likewise.
5542 (udivdi3): Likewise.
5544 2005-08-21 Jakub Jelinek <jakub@redhat.com>
5546 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
5547 up to elem_bitsize bits, not max_bitsize.
5549 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5551 PR tree-optimization/23433
5552 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
5553 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
5555 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5557 PR tree-optimization/23434
5558 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
5559 the iteration bound is not an INTEGER_CST.
5561 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
5563 * tree-vect-transform.c (get_initial_def_for_reduction): Set
5564 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
5565 NULL if need_epilog_adjust is false.
5566 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
5567 Case 3 always peels first itration, not just for PLUS case, and no need
5568 to use scalar_initial_def here. Create an epilog adjustment only if
5569 scalar_initial_def is not NULL.
5571 (vectorizable_reduction): Remove assert.
5573 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
5576 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
5577 (__moddi3): Likewise.
5578 (__udivdi3): Likewise.
5579 (__umoddi3): Likewise.
5580 (__divsi3): Likewise.
5581 (__modsi3): Likewise.
5582 (__udivsi3): Likewise.
5583 (__umodsi3): Likewise.
5585 2005-08-20 Jakub Jelinek <jakub@redhat.com>
5587 * tree-pass.h (TDF_GRAPH): Define.
5588 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
5589 * passes.c (finish_optimization_passes): Only call
5590 finish_graph_dump_file if TDF_GRAPH is set.
5591 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
5592 NULL. Set TDF_GRAPH bit.
5593 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
5595 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
5597 * arm.h (arm_stack_offsets): Add locals_base field.
5598 * arm.c (arm_get_frame_offsets): Compute it.
5599 (thumb_compute_initial_elimination offset): Make the Thumb frame
5600 pointer point to the base of the local variables.
5601 (thumb_expand_prologue): Update accordingly.
5602 (thumb_expand_epilogue): Likewise.
5604 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
5605 mode of clobbered scratch to DImode. Handle a case that's known to
5608 2005-08-19 David Edelsohn <edelsohn@gnu.org>
5610 * config/rs6000/rs6000.md (gt0<mode>): Delete.
5611 (gt0<mode>_compare): Delete.
5612 (neg_gt0<mode>): Delete.
5614 2005-08-19 Eric Christopher <echristo@apple.com>
5616 * optabs.h: Change CTI_ to COI_.
5619 2005-08-19 James E Wilson <wilson@specifix.com>
5621 * builtins.c (expand_builtin_return_addr): Set
5622 current_function_accesses_prior_frames when count != 0. Use
5623 frame_pointer_rtx when count == 0.
5624 * function.h (struct function): Add accesses_prior_frames field.
5625 (current_function_accesses_prior_frames): Define.
5626 * reload1.c (init_elim_table): Check
5627 current_function_accesses_prior_frames.
5628 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
5630 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5632 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
5633 indicator. Return true if the flowgraph changed during
5636 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5639 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
5640 conditional expression before testing its value.
5642 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5644 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
5646 2005-08-19 Devang Patel <dpatel@apple.com>
5648 PR tree-optimization/23048
5649 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
5650 third parameter. Check whether latch is dominated by exit
5652 (if_convertible_loop_p): Supply exit block itself to
5653 if_convertible_bb_p.
5655 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5658 * arm.md (arm_load_pic_register): Change argument to the mask of
5659 saved registers. Call thumb_find_work_register if we need a
5660 scratch register on Thumb.
5661 (arm_expand_prologue): Pass empty register set to
5662 arm_load_pic_register.
5663 (thumb_expand_prologue): Pass live_regs_mask directly to
5664 arm_load_pic_register.
5665 * arm-protos.h (arm_load_pic_register): Update prototype.
5667 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
5669 * sh.c (find_sole_member): New function.
5670 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
5671 if the record's alignment is larger than the size of its only member.
5673 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5676 * arm.c (thumb_legitimize_reload_address): New function.
5677 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
5678 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
5680 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
5682 * config/crx/crx.c: Implement crx_decompose_address. Reject
5683 symbolic displacements since CRX register relative adressing
5684 mode can't handle unsigned 32-bit values as displacements.
5685 * config/crx/crx.h: Simplify definitions, remove redundant
5686 parenthesis and obsolete macros.
5687 * config/crx/crx.opt: Add new switch for debugging addresses.
5688 * config/crx/crx-protos.h: Add new declarations for above.
5690 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
5693 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
5696 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5698 * collect2.c (dup2): Delete.
5699 * configure.ac: Don't check for dup2.
5701 * config.in, configure: Regenerate.
5703 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
5705 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
5706 record with the type of its only member.
5708 2005-08-18 David Edelsohn <edelsohn@gnu.org>
5710 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
5711 define_insn_and_split.
5712 (plus_ltu<mode>_compare): Same.
5713 (gtu<mode>_compare): Same.
5714 (plus_gtu<mode>_compare): Same.
5716 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
5718 PR tree-optimization/22228
5719 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
5721 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
5722 are recorded in vect_vnames_to_rename for renaming.
5723 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
5724 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
5725 in vect_vnames_to_rename.
5726 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
5727 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
5729 2005-08-18 Jan Hubicka <jh@suse.cz>
5732 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
5733 info only for local statics, not for member variables.
5735 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5737 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
5739 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5741 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
5743 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
5746 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
5748 2005-08-17 James E Wilson <wilson@specifix.com>
5750 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5753 2005-08-17 David Edelsohn <edelsohn@gnu.org>
5755 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
5756 (leu<mode>_compare): Same.
5757 (plus_leu<mode>): Same.
5758 (neg_leu<mode>): Same.
5759 (and_neg_leu<mode): Same.
5760 (ltu<mode>_compare): Same.
5761 (plus_ltu<mode>): Same.
5763 (geu<mode>_compare): Same.
5764 (plus_geu<mode>): Same.
5765 (neg_geu<mode>): Same.
5766 (and_neg_geu<mode>): Same.
5767 (plus_gt<mode>): Same.
5768 (gtu<mode>_compare): Same.
5769 (plus_gtu<mode>): Same.
5771 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
5773 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
5774 Move call_table_data to end. Delete spurious .text.
5775 (callt_save_all_interrupt): Fix comment typo.
5777 2005-08-17 James E Wilson <wilson@specifix.com>
5778 Kevin Winchester <winchester@amirix.com>
5781 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
5783 2005-08-17 Uros Bizjak <uros@kss-loka.si>
5786 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
5787 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
5789 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
5791 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
5792 record with the type of its only member if the modes don't match.
5794 * varasm.c (decode_reg_name): Skip empty additional register names.
5796 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5798 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
5799 lsm_tmp_name_length): New.
5800 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
5801 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
5803 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5804 Andreas Krebbel <krebbel1@de.ibm.com>
5806 * config.gcc: Added z9-109 switch.
5807 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
5808 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
5809 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
5810 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5811 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
5812 for "z9_109" cpu attribute.
5813 * config/s390/s390.c (z9_109_cost): New processor cost structure.
5814 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
5815 (s390_handle_arch_option): Added z9-109 switch.
5816 (override_options): Set respective cost function for z9-109.
5817 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
5818 (legitimate_reload_constant_p): Accept extended immediates.
5819 (print_operand): Three new output modifiers added: k, m and o.
5820 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
5821 (s390_output_mi_thunk): Use extended immediate when possible.
5822 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
5823 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
5824 (CONSTRAINT_LEN): Added length of O constraint.
5825 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
5826 * config/s390/s390.md ("cpu"): New value z9_109 added.
5827 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
5828 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
5829 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
5830 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
5831 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
5832 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
5833 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
5834 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
5835 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
5836 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5837 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
5838 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
5839 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
5840 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
5841 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
5843 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
5844 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
5845 insns for TARGET_EXTIMM.
5847 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
5849 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
5851 2005-08-17 Nick Clifton <nickc@redhat.com>
5853 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
5854 Call default_encode_section_info.
5856 2005-08-17 Steven Bosscher <stevenb@suse.de>
5858 PR tree-optimization/21574
5859 * tree-ssa-ccp.c (likely_value): If the right hand side is a
5860 constant, return CONSTANT.
5861 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
5862 (ccp_fold, visit_assignment): Likewise.
5863 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
5865 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5867 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
5868 fold_buildN instead of buildN then fold_initializer or fold.
5869 (build_unary_op): Likewise.
5870 (build_binary_op): Likewise.
5871 * fold-const.c (fold_initializer): Remove.
5872 (fold_build1_initializer): New function.
5873 (fold_build2_initializer): New function.
5874 (fold_build3_initializer): New function.
5875 * tree.h (fold_initializer): Remove.
5876 (fold_build1_initializer): New function.
5877 (fold_build2_initializer): New function.
5878 (fold_build3_initializer): New function.
5880 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5882 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
5883 (try_move_mult_to_index): Call fold_build2 instead of build2.
5884 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
5885 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
5886 fold_binary_to_constant.
5887 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
5889 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
5890 check if A == gcd (A, B). Remove TYPE argument.
5891 (analyze_offset) Use fold_build2 instead of fold (build.
5892 (create_data_ref): Likewise.
5893 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
5894 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
5897 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
5899 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
5900 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
5902 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
5905 * gimplify.c (zero_sized_type): New function.
5906 (gimplify_modify_expr_rhs): If we have a zero sized type,
5907 replace the statement with an empty statement.
5909 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
5911 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
5914 2005-08-16 Ian Lance Taylor <ian@airs.com>
5916 * doc/tm.texi (Label Output): Correct typo.
5918 2005-08-16 Steven Bosscher <stevenb@suse.de>
5921 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
5922 force_operand will work later on using have_insn_for.
5924 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5926 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
5928 2005-08-16 Ian Lance Taylor <ian@airs.com>
5931 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
5932 vector type, don't try to construct it element by element. Add an
5933 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
5935 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5937 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
5939 2005-08-16 Geoffrey Keating <geoffk@apple.com>
5941 * doc/invoke.texi (Precompiled Headers): Document some more options
5942 which are known to be safe.
5944 2005-08-16 James E Wilson <wilson@specifix.com>
5946 PR tree-optimization/21105
5947 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5948 TREE_OVERFLOW check.
5950 2005-08-16 David Edelsohn <edelsohn@gnu.org>
5952 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
5953 (neg_ltu<mode>): Same.
5955 (neg_gtu<mode>): Same.
5957 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5959 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
5960 (fold_builtin_isdigit): Use fold_buildN.
5961 (build_function_call_expr): Likewise.
5962 * c-typeck.c (c_finish_loop): Likewise.
5964 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
5965 Richard Shann <rshann@superh.com>
5967 PR middle-end/20396:
5968 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
5970 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
5972 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
5974 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
5977 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
5978 arm_compure_save_reg0_reg12_mask to determine when the PIC register
5981 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5984 * fold-const.c (build_range_check): Disable optimization for function
5985 pointer expressions on targets that require function pointer
5988 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
5990 * simplify-rtx.c (simplify_const_relational_operation): When
5991 extracting arguments of a COMPARE, recompute the mode as well.
5993 2005-08-15 Ian Lance Taylor <ian@airs.com>
5995 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
5997 2005-08-15 DJ Delorie <dj@redhat.com>
5999 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
6001 (movsi_splittable): Allow, but split, moves to the stack.
6002 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
6005 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6007 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
6008 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
6009 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
6011 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
6012 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
6013 Delete HOST_PTR_PRINTF.
6015 * configure, config.in: Regenerate.
6017 2005-08-15 David Edelsohn <edelsohn@gnu.org>
6019 * config/rs6000/rs6000.md (QHSI): New mode macro.
6020 (wd): Extend mode attr for QImode and HImode
6021 (dbits): New mode attr.
6022 (zero_extend<mode>di2): Convert to mode macro.
6024 2005-08-15 Steve Ellcey <sje@cup.hp.com>
6027 * doc/invoke.texi (-mgnu-ld): Update description.
6030 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
6033 * Makefile.in (tree-chrec.o): Depends on real.h.
6034 * tree-chrec.c: Include real.h.
6035 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
6036 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
6037 * tree-scalar-evolution.c (add_to_evolution_1,
6038 interpret_rhs_modify_expr): Ditto.
6040 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
6043 * tree-data-ref.c (estimate_niter_from_size_of_data): When
6044 step is negative compute the estimation from init downwards to zero.
6046 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
6048 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
6050 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
6052 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
6054 (legitimate_reload_constant_p): Fix handling of lliXX operands.
6055 Accept double-word constants that can be split.
6056 * config/s390/s390.md ("movti"): Use 'P' constraint.
6057 ("*movdi_31", "*movdf_31"): Likewise.
6059 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
6061 Fix PR tree-optimization/22615
6063 * tree-ssa-structalias.c (solution_set_add): Handle
6064 first_vi_for_offset returning NULL.
6065 (do_da_constraint): Ditto.
6066 (do_sd_constraint): Ditto.
6067 (do_ds_constraint): Ditto
6068 (find_func_aliases): Ditto.
6069 (build_constraint_graph): RHS is allowed be ANYTHING.
6070 (first_vi_for_offset): Return NULL if we couldn't find anything at
6073 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
6075 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
6076 over memory as first operand.
6078 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
6081 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
6082 available for setting it.
6084 2005-08-14 Ira Rosen <irar@il.ibm.com>
6086 PR tree-optimization/23320
6087 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
6088 data-refs' types instead of base object nullness. Add check for
6089 pointer type data-refs before first location comparison. Remove
6092 2005-08-14 Andreas Schwab <schwab@suse.de>
6094 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
6096 2005-08-13 James E Wilson <wilson@specifix.com>
6098 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
6099 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
6100 -fstack-protector-all, --param ssp-buffer-size): Document.
6101 (-Wvariadic-macros): Alphabetize.
6102 (-fsched-stalled-insns-dep): Add missing 'f'.
6104 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
6107 2005-08-13 David Edelsohn <edelsohn@gnu.org>
6109 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
6110 or indirect address operand.
6111 (EXTRA_ADDRESS_CONSTRAINT): New.
6112 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
6114 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
6116 PR tree-optimization/22236
6117 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
6118 successors and predecessors.
6119 * tree-chrec.c (chrec_convert): Before converting, check that
6120 sequences don't wrap.
6121 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
6122 (analyze_array): Extern.
6123 (find_data_references_in_loop): Remove call to
6124 compute_estimated_nb_iterations.
6125 * tree-data-ref.h (analyze_array): Declared.
6126 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
6127 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
6128 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
6129 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
6131 * tree-ssa-loop-ivcanon.c: Fix documentation.
6132 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
6133 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
6134 (infer_loop_bounds_from_undefined): New.
6135 (estimate_numbers_of_iterations_loop): Use
6136 infer_loop_bounds_from_undefined.
6137 (used_in_pointer_arithmetic_p): New.
6138 (scev_probably_wraps_p): Pass an extra parameter. Call
6139 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
6140 (convert_step): Fix documentation.
6141 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
6142 Use initial_condition_in_loop_num and evolution_part_in_loop_num
6143 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
6144 scev_probably_wraps_p.
6146 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
6148 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
6149 (s390_register_info): Ignore clobbered_regs information for fixed
6150 registers, and only fixed registers.
6151 (s390_init_frame_layout): Remove redundant call.
6153 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
6155 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
6156 description of -Wold-style-casts.
6158 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6159 Jakub Jelinek <jakub@redhat.com>
6161 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6162 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
6163 * config/s390/s390.c (print_operand): New output modifier 'G' added.
6164 (get_thread_pointer): Renamed to s390_get_thread_pointer.
6165 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
6166 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
6167 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
6168 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6169 ("stack_protect_set", "stack_protect_test"): New expanders.
6170 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
6171 "stack_protect_testdi"): New insn definitions.
6173 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6175 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
6177 2005-08-12 Paul Brook <paul@codesourcery.com>
6179 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
6181 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6183 * config/s390/predicates.md (setmem_operand): New predicate.
6184 (shift_count_operand): Accept ANDs with special constants as
6186 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
6187 with special constants.
6188 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
6189 shift_count_operand with setmem_operand.
6191 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6193 * config/s390/s390.c (s390_extract_part, s390_single_part):
6195 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
6196 (s390_output_mi_thunk): Don't use lg on 31 bit.
6197 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
6198 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
6200 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6202 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
6203 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
6204 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
6205 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
6206 with one of the new macros.
6208 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6210 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
6211 Don't set save_return_addr_p.
6212 (s390_register_info): Make clobbered_regs not depending on
6215 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
6217 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
6218 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
6220 2005-08-11 James E. Wilson <wilson@specifix.com>
6222 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
6224 2005-08-11 Jakub Jelinek <jakub@redhat.com>
6226 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
6227 locations gathered by var-tracking in single entry loc_list
6228 over loc_descriptor_from_tree.
6230 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
6231 pass it down to loc_descriptor.
6232 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
6233 (containing_function_has_frame_base): Move earlier in the file.
6234 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
6235 instead of always assuming fbreg can't be used.
6237 2005-08-11 David Edelsohn <edelsohn@gnu.org>
6239 * config/rs6000/altivec.md: Change constraint "m" to "Z".
6240 * config/rs6000/predicates.md (indexed_or_indirect_operand):
6241 Accept address wrapped in AND for Altivec.
6242 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6243 Strip AND wrapping offset address for Altivec.
6245 2005-08-11 Richard Henderson <rth@redhat.com>
6248 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
6249 before using TYPE_IS_SIZETYPE.
6251 2005-08-11 Richard Henderson <rth@redhat.com>
6254 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
6255 insn types not present on ev4.
6256 (alphaev5_insn_pipe): Similarly.
6258 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
6261 * arm.c (arm_override_options): If the user has selected callee-super-
6262 interworking, then enable normal interworking.
6264 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6266 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
6269 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
6271 * doc/rtl.texi: Fix two typos.
6273 2005-08-11 Richard Guenther <rguenther@suse.de>
6276 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
6277 cases where we call to/from functions returning void.
6279 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
6282 * tree.c (build_pointer_type_for_mode): Robustify.
6284 2005-08-10 James E Wilson <wilson@specifix.com>
6286 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
6287 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
6289 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
6292 2005-08-10 Eric Christopher <echristo@apple.com>
6294 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
6295 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
6298 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
6301 * config/darwin.c (machopic_indirect_data_reference): Use a new register
6302 for the high part when generating dynamic-no-pic code.
6304 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
6306 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
6307 (x86_64-*-linux*): Likewise.
6309 * config/i386/crtfastmath.c: New file.
6310 * config/i386/t-crtfm: Likewise.
6312 * config/i386/linux.h (ENDFILE_SPEC): New.
6313 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
6315 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
6318 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
6320 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
6321 (vec_shl, vec_shr): Document new operations.
6322 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
6324 2005-08-10 David Edelsohn <edelsohn@gnu.org>
6326 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
6327 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
6328 change predicate to indexed_or_indirect_address.
6330 2005-08-10 Richard Sandiford <richard@codesourcery.com>
6332 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
6333 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
6334 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
6335 and __aeabi_uwrite8.
6336 * config/arm/unaligned-funcs.c: New file.
6337 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
6339 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
6341 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
6343 * cfglayout.c (pass_insn_locators_initialize): Add dump.
6344 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
6346 * except.c (pass_convert_to_eh_region_ranges): Add dump.
6347 * final.c (pass_shorten_branches): Add dump.
6348 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
6349 (pass_life): Rename dump.
6350 (rest_of_handle_flow2): Remove initial verify_flow_info.
6351 * function.c (pass_instantiate_virtual_regs): Add dump.
6352 * integrate.c (pass_initial_value_sets): Add dump.
6353 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
6354 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
6355 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
6356 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
6357 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
6358 gate_rtl_unrool_and_peel_loops): New.
6359 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
6360 rtl_doloop): Do not look at flags.
6361 * mode-switching.c (pass_mode_switching): Add dump.
6362 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
6363 pass_split_before_regstack): Add dump.
6364 * regmove.c (pass_stack_adjustments): Add dump.
6365 * tree-optimize.c (pass_fixup_cfg): Add dump.
6367 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6370 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
6371 deciding which instruction sequence to use.
6373 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
6375 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
6376 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
6378 2005-08-09 Richard Guenther <rguenther@suse.de>
6380 * c-common.c (builtin_function_2): Remove.
6381 (def_builtin_1): New function.
6382 (c_common_nodes_and_builtins): Use def_builtin_1 to
6383 build builtin functions.
6385 2005-08-09 Jie Zhang <jie.zhang@analog.com>
6387 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
6388 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6389 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
6392 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
6394 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
6395 fold_binary instead of fold_build2 since we don't care about the
6397 (loop_niter_by_eval): Likewise.
6398 (compare_trees): Likewise.
6399 (proved_non_wrapping_p): Likewise.
6401 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
6405 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
6406 if the if is really empty.
6408 2005-08-09 Steven Bosscher <stevenb@suse.de>
6410 PR tree-optimization/23234
6411 * tree-ssa-math-opts.c (place_reciprocal): New enum.
6412 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
6413 argument of the new enum.
6414 (execute_cse_reciprocals): Add reciprocals for function arguments
6415 on the unique successor edge of the entry block. Update other calls
6416 to execute_cse_reciprocals_1.
6418 2005-08-08 Richard Henderson <rth@redhat.com>
6421 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
6423 2005-08-08 Bob Wilson <bob.wilson@acm.org>
6425 * expr.c (write_complex_part): Return after handling MEM.
6427 2005-08-08 Josh Conner <jconner@apple.com>
6429 PR rtl-optimization/23241
6430 * combine.c (simplify_comparison): Fix error in determining
6431 whether to lift a subreg from comparison.
6433 2005-08-08 David Edelsohn <edelsohn@gnu.org>
6436 * config/rs6000/altivec.md (vec_init<mode>): New.
6437 (vec_set<mode>): New.
6438 (vec_extract<mode>): New.
6439 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
6440 (rs6000_expand_vector_set): New.
6441 (rs6000_expand_vector_extract): New.
6442 (rs6000_legitimate_offset_address_p): Offset addresses are valid
6443 for Altivec modes before reload.
6444 (altivec_expand_vec_init_builtin): New.
6445 (get_element_number): New.
6446 (altivec_expand_vec_set_builtin): New.
6447 (altivec_expand_vec_ext_builtin): New.
6448 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
6450 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
6452 * config/rs6000/rs6000.h (rs6000_builtins): Add
6453 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
6454 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
6455 * config/rs6000/rs6000-protos.h: Declare new functions.
6457 2005-08-08 Jan Hubicka <jh@suse.cz>
6459 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
6460 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
6461 * i386.md (movdi*): Use pic_32bit_operand.
6462 * predicates.md (pic_32bit_operand): New.
6464 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
6467 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
6469 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
6471 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
6472 (test_for_singularity): Use fold_build2.
6474 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6476 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
6478 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
6480 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6481 (COMMON_ASM_OP) Define.
6482 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
6483 (ix86_encode_section_info): Likewise.
6484 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
6485 SUBTARGET_ENCODE_SECTION_INFO.
6487 2005-08-06 Richard Henderson <rth@redhat.com>
6490 * tree-nested.c (convert_local_reference): Save and restore val_only
6491 around component_ref and friends. Clear walk_subtrees by default.
6493 2005-08-06 Peter O'Gorman <peter@pogma.com>
6496 * gcc.c (process_command): Check the argument to -b has a dash.
6497 * doc/invoke.texi: Update -b and -V docs.
6499 2005-08-06 James E Wilson <wilson@specifix.com>
6501 * config/mips/cross64.h, config/mips/t-cross64: Delete.
6503 2005-08-06 Michael Matz <matz@suse.de>
6505 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
6506 member only if only one insn is associated with the value.
6508 2005-08-06 Nick Clifton <nickc@redhat.com>
6510 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
6512 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
6513 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
6514 Check symbol flags instead of symbol name mangling.
6515 (xstormy16_asm_output_aligned_common): Likewise. Also
6516 simplify code since the bss100_section cass is the only case
6517 where the below100 code will be triggered.
6518 (xstormy16_encode_section_info): Encode below100 attribute
6519 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
6521 (xstormy16_strip_name_encoding): Delete - this function is no
6523 (TARGET_STRIP_NAME_ENCODING): Undefine.
6524 * config/stormy16/stormy16-protos.h: Delete prototype for
6525 xstormy16_strip_name_encoding.
6527 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
6529 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
6530 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
6531 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
6532 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
6533 config/alpha/predicates.md, config/arc/arc.h,
6534 config/arm/arm.h, config/arm/ieee754-df.S,
6535 config/arm/ieee754-sf.S, config/bfin/bfin.c,
6536 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
6537 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
6538 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
6539 config/m68hc11/m68hc11.h, config/mips/mips.c,
6540 config/mips/mips.h, config/mips/openbsd.h,
6541 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
6542 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
6543 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6544 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
6545 config/sparc/linux.h, config/sparc/linux64.h,
6546 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
6547 doc/extend.texi, doc/gcov.texi, doc/install.texi,
6548 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
6549 typos. Follow spelling conventions.
6551 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
6554 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
6555 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
6556 specially. Check for side effects only for COND_EXPR.
6557 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
6558 return with TREE_NO_WARNING.
6560 2005-08-06 Richard Sandiford <richard@codesourcery.com>
6562 PR rtl-optimization/23233
6563 * loop.c (combine_movables): Require the modes to be the same.
6564 (move_movables): Remove handling of cases where the replacement
6565 had a different mode to the original.
6567 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
6569 PR tree-optimization/23128
6570 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
6571 subtraction wrap, and set TREE_OVERFLOW if they do.
6573 2005-08-05 Richard Henderson <rth@redhat.com>
6576 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
6577 FORCED_LABEL labels.
6579 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
6582 * reload.c (find_reloads_subreg_address): Pass down TYPE
6583 unchanged. Change all callers except find_reloads_toplev.
6585 2005-08-05 Michael Matz <matz@suse.de>
6587 * genattrtab.c (current_alternative_string): Remove.
6588 (SIMPLIFY_ALTERNATIVE): Ditto.
6589 (attr_alt_bit_p): Ditto.
6590 (alternative_name): Make const char *.
6591 (evaluate_eq_attr): Remove use of above things.
6592 (simplify_test_exp): Ditto.
6593 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
6594 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
6596 2005-08-04 James E Wilson <wilson@specifix.com>
6598 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
6599 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
6600 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
6601 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
6602 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
6604 2005-08-04 Richard Henderson <rth@redhat.com>
6607 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
6608 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
6609 * tree-sra.c (decide_block_copy): Use it. Disable element copy
6610 if we'd have to instantiate too many members.
6612 2005-08-04 Richard Henderson <rth@redhat.com>
6615 * tree-outof-ssa.c (coalesce_asm_operands): New.
6616 (coalesce_ssa_name): Use it. Split out ...
6617 (coalesce_phi_operands, coalesce_result_decls): ... these.
6619 2005-08-04 Paul Brook <paul@codesourcery.com>
6621 * read-rtl.c (read_quoted_string): Break if EOF.
6623 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
6625 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
6626 (fold_build2): Likewise.
6627 (fold_build3): Likewise.
6628 (fold_build1_stat): New function prototype.
6629 (fold_build2_stat): Likewise.
6630 (fold_build3_stat): Likewise.
6631 * fold-const.c (fold_build1): Rename to ..
6632 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6633 through to build1_stat.
6634 (fold_build2): Rename to ..
6635 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6636 through to build2_stat.
6637 (fold_build3): Rename to ..
6638 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6639 through to build3_stat.
6641 2005-08-04 David Edelsohn <edelsohn@gnu.org>
6642 Ian Lance Taylor <ian@airs.com>
6644 * function.c (assign_stack_local_1): Do not correct stack slot
6645 address if allocation size is smaller than mode size.
6647 2005-08-04 Diego Novillo <dnovillo@redhat.com>
6650 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
6651 (tree_merge_blocks): Propagate anything allowed by
6653 Clarify documentation.
6654 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
6655 SSA form, schedule an update if necessary.
6657 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
6659 * doc/install.texi (Binaries): Remove broken link to
6660 Sinix/Reliant Unix binaries.
6662 2005-08-03 Richard Henderson <rth@redhat.com>
6665 * function.c (stack_protect_epilogue): Export.
6666 * tree.h (stack_protect_epilogue): Declare.
6667 * calls.c (expand_call): Call it.
6669 2005-08-03 Eric Christopher <echristo@apple.com>
6671 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
6672 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
6675 2005-08-04 Jan Hubicka <jh@suse.cz>
6677 * profile.c (branch_prob): Split edges with goto locus on them
6678 to get proper line counts.
6679 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
6681 2005-08-03 Paul Brook <paul@codesourcery.com>
6683 * function.c (assign_parms): Round current_function_args_size
6684 to PARM_BOUNDARY, not STACK_BOUNDARY.
6686 2005-08-03 Geoffrey Keating <geoffk@apple.com>
6688 * config/i386/i386.c (x86_elf_aligned_common)
6689 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
6691 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
6693 PR tree-optimization/23157
6694 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
6695 before emitting them.
6697 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6699 PR tree-optimization/19899
6700 * Makefile.in (tree-scalar-evolution.o): Add real.h.
6701 * tree-scalar-evolution.c: Include real.h.
6702 (add_to_evolution): Build constant -1 of correct type.
6704 2005-08-03 Jan Hubicka <jh@suse.cz>
6706 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
6707 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
6708 profile updating for complette unrolling.
6709 * loop-unroll.c (peel_loop_completely): Use it.
6710 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
6711 (tree_unroll_loops_completely): Disable code growing unrolling of cold
6714 2005-08-03 Paul Brook <paul@codesourcery.com>
6716 * combine.c (can_change_dest_mode): New function.
6717 (try_combine, simplify_set): Use it.
6719 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
6721 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
6724 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
6726 * doc/install.texi (Specific): Adjust link to openavr.org.
6727 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
6728 (Binaries): Adjust HP-UX Porting Center link.
6729 (Binaries): Adjust Free Software Foundation ordering link.
6731 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
6733 * convert.c (convert_to_integer): Use fold_build1 instead of
6734 build1 when converting an integer to an integer.
6736 2005-08-02 Richard Henderson <rth@redhat.com>
6738 * combine.c (combine_instructions): Don't use reg_equal/equiv
6739 results if the mode doesn't match.
6741 2005-08-02 Mark Mitchell <mark@codesourcery.com>
6743 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
6744 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
6746 2005-08-02 Richard Henderson <rth@redhat.com>
6749 * explow.c (memory_address): Remove special-case for
6750 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
6752 2005-08-02 Diego Novillo <dnovillo@redhat.com>
6755 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
6756 number of calls to cleanup_tree_cfg_1.
6758 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
6760 * doc/invoke.texi: document file extensions .F90 and .F95
6762 2005-08-02 Richard Guenther <rguenther@suse.de>
6764 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
6765 positive if its first argument is positive.
6767 2005-08-02 Richard Guenther <rguenther@suse.de>
6769 PR tree-optimization/23177
6770 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
6773 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
6775 PR tree-optimization/23129
6776 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
6777 varying for divisions with anti-ranges.
6779 2005-08-02 Jan Hubicka <jh@suse.cz>
6781 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
6782 * tree-ssa-threadupdate.c (thread_block): Add it here.
6784 2005-08-01 James E Wilson <wilson@specifix.com>
6786 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
6787 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
6788 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
6790 * config/mips/predicates.md (const_call_insn_operand): Add check for
6791 SYMBOL_REF_LONG_CALL_P.
6792 * doc/extend.texi (long_call): Document the new attribute.
6794 2005-08-01 Ian Lance Taylor <ian@airs.com>
6795 Richard Henderson <rth@redhat.com>
6797 * Makefile.in (RTL_BASE_H): Add real.h.
6798 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6800 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
6802 * rtl.c (rtl_check_failed_code_mode): New.
6803 * rtl.h (struct rtx_def): Add u.rv.
6804 (XCMWINT, XCNMPRV): New.
6805 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
6806 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
6808 2005-08-01 Richard Henderson <rth@redhat.com>
6810 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
6811 with auto-inc codes.
6813 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
6815 2005-08-01 Jan Hubicka <jh@suse.cz>
6817 * i386-protos.h (asm_preferred_eh_data_format): Declare.
6818 * i386.c: Include dwarf2.h
6819 (asm_preferred_eh_data_format): New.
6820 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
6822 2005-08-01 Ian Lance Taylor <ian@airs.com>
6824 * config/host-linux.c (linux_gt_pch_get_address): Add new name
6825 randomize_va_space for virtual address randomization control.
6827 2005-08-01 Steven Bosscher <stevenb@suse.de>
6829 * common.opt (flag_ipa_cp): Put in right place to maintain
6832 2005-08-01 Jan Hubicka <jh@suse.cz>
6834 * profile.c (compute_value_histograms): Fix thinko.
6835 * value-prof.c: Include toplev.h
6836 (check_counter): New function.
6837 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
6838 tree_mod_subtract_transform): Add sanity check.
6840 2005-08-01 Richard Guenther <rguenther@suse.de>
6842 PR tree-optimization/23133
6843 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
6844 current functions parameter decls to find defs to cse
6847 2005-08-01 Richard Guenther <rguenther@suse.de>
6849 PR tree-optimization/23109
6850 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
6851 If trapping math is in effect, use post-dominator information
6852 to check if we'd in any case reach a trapping point before
6853 doing the reciprocal insertion.
6854 (execute_cse_reciprocals): Compute post-dominators, if necessary.
6855 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
6856 expressions are invariant only if trapping math is not in effect.
6858 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6860 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
6861 cgraph_function_versioning): New declarations.
6862 * cgraphunit.c: Add include to ipa-prop.h.
6863 (update_call_expr, cgraph_copy_node_for_versioning,
6864 cgraph_function_versioning): New functions.
6865 * integrate.c (copy_decl_for_inlining): Remove.
6866 * ipa-prop.h (ipa_replace_map): New struct.
6867 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
6868 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
6869 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
6870 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
6871 ipcp_iterate_stage, ipcp_method_scale_print,
6872 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
6873 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
6874 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
6875 ipcp_update_bb_counts, ipcp_update_profiling,
6876 ipcp_update_edges_counts): New functions.
6877 (ipcp_method_cval_init): Remove restriction regarding local methods.
6878 (ipcp_init_stage): Add ipcp_method_compute_scale.
6879 (ipcp_insert_stage): Add versioning.
6880 (ipcp_structures_print): Add ipcp_method_scale_print.
6881 (ipcp_driver): Dump profiling info.
6882 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
6883 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
6884 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
6885 (struct inline_data): Add versioning_p, ipa_info, new fields.
6886 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
6887 declare_return_variable): Replace calls to copy_decl_for_inlining with
6889 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
6891 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
6892 Add argument VERSIONING.
6893 (copy_arguments_for_versioning, copy_static_chain,
6894 function_versionable_p, tree_versionable_function_p,
6895 tree_function_versioning, replace_ref_tree): New functions.
6896 * tree-inline.h: Include varray.h.
6897 (tree_versionable_function_p, tree_function_versioning,
6898 tree copy_decl_for_dup): New declarations.
6900 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6902 * ipa-cp.c: New file. Contains IPCP specific functionality.
6903 * ipa-prop.h: New file. Contains structures/definitions that can be
6904 used by several interprocedural data flow optimizations (and also IPCP).
6905 * ipa-prop.c: New file.
6906 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
6907 * common.opt: Add ipa-cp flag.
6908 * timevar.def: Add IPCP optimization.
6909 * tree-optimize.c (init_tree_optimization_passes): Schedule
6911 * tree-pass.h (pass_ipa_cp): Declare.
6913 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
6915 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
6916 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
6917 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
6918 config/i386/i386.c, config/mips/mips.h,
6919 config/rs6000/rs6000.h, config/sh/sh.c,
6920 config/stormy16/stormy16.c: Fix comment typos.
6922 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
6925 * c-typeck.c (build_binary_op): Use common_type wrapper on
6927 (common_type): Update comment.
6929 2005-07-31 Steven Bosscher <stevenb@suse.de>
6932 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
6933 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
6934 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
6936 2005-07-31 Jan Hubicka <jh@suse.cz>
6938 * pretty-print.h (pp_widest_integer): New macro.
6939 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
6942 2005-07-31 Jan Hubicka <jh@suse.cz>
6944 * output.h (enum section_category): Export from varasm.c
6945 (categorize_decl_for_section): Likewise.
6946 * varasm.c (enum section_category): Kill.
6947 (categorize_decl_for_section): Make global.
6948 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
6950 * i386.c (ix86_section_threshold): New static variable.
6951 (ix86_in_large_data_p, ix86_encode_section_info,
6952 x86_64_elf_unique_section,
6953 x86_64_elf_select_section): New functions.
6954 (TARGET_ENCODE_SECTION_INFO): Define
6955 (override_options): Enable medium model for PIC.
6956 (ix86_expand_prologue): Expand gen_set_got_rex64.
6957 (legitimate_constant_p): Handle new UNSPECs.
6958 (legitimate_pic_address_disp_p): Likewise.
6959 (legitimize_pic_address): Lower MEDIUM model addressing.
6960 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
6961 (enum cmodel): Add MEDIUM_PIC.
6962 (SYMBOL_REF_FAR_ADDR_P): New macro.
6963 (SYMBOL_FLAG_FAR_ADDR): New flag.
6964 * i386.md (movdi): Support medium model.
6965 (set_got_rex64): New pattern.
6966 * i386.opt (mlarge-data-threshold): New flag.
6967 * predicates.md (zext_operand/sext_operand): Deal with medium model.
6968 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
6969 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
6970 TARGET_ASM_UNIQUE_SECTION): New.
6972 * invoke.texi (-mlarge_data_threshold): Document
6974 2005-07-31 Jan Hubicka <jh@suse.cz>
6976 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
6977 (coalesce_vars): Likewise.
6978 * tree-ssa-live.c (coalesce_cost): New.
6979 (build_tree_conflict_graph): Use coalesce_cost.
6980 * tree-ssa-live.h (coalesce_cost): Declare.
6982 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
6984 * arm.md (all peepholes for post-increment operations): Delete.
6985 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
6986 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
6987 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
6988 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
6989 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
6991 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
6993 * fold-const.c (tree_expr_nonnegative_p): Always return true for
6996 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
6999 * doc/invoke.texi: Document -rdynamic.
7001 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
7004 * c-parser.c (c_parser_parms_list_declarator): Call
7005 mark_forward_parm_decls.
7006 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
7007 decls with visibility structure.
7009 2005-07-30 Paul Brook <paul@codesourcery.com>
7011 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
7013 2005-07-30 Paul Brook <paul@codesourcery.com>
7015 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
7017 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
7019 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
7021 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7024 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
7025 nested function declarators.
7026 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
7027 (grokparms): Call warn_if_shadowing for parameters used within the
7029 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
7030 not used within the parameter list.
7031 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
7033 2005-07-30 Jan Hubicka <jh@suse.cz>
7035 * expr.c (expand_expr_real_1): Do not load mem targets into register.
7036 * i386.c (ix86_fixup_binary_operands): Likewise.
7037 (ix86_expand_unary_operator): Likewise.
7038 (ix86_expand_fp_absneg_operator): Likewise.
7039 * optabs.c (expand_vec_cond_expr): Validate dest.
7041 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7044 * real.c (real_from_string): Also set last bit if there is a
7045 nonzero hex digit beyond GCC's internal precision after ".".
7047 2005-07-29 David Edelsohn <edelsohn@gnu.org>
7049 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
7050 define_constants. Change duplicate values to unassigned numbers.
7051 Change UNSPEC_SUBS to UNSPEC_VSUBS.
7052 (*altivec_vspltsf): New.
7053 (altivec_vperm_v4sf): Delete.
7054 (altivec_vperm_<mode>): Use mode macro V.
7055 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
7056 (altivec_predicate_v4sf): Delete.
7057 (altivec_predicate_<mode>): Use mode macro V.
7058 (*altivec_lvesfx): New.
7059 (*altivec_stvesfx): New.
7060 (vec_realign_load_v4sf): Delete.
7061 (vec_realign_load_<mode>): Use mode macro V.
7062 * config/rs6000/rs6000.c (generate_set_vrsave): Use
7065 2005-07-29 Mark Mitchell <mark@codesourcery.com>
7068 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
7070 * configure: Regenerated.
7072 2005-07-29 Paul Brook <paul@codesourcery.com>
7074 * doc/install.texi: Add link to GFortran binaries wiki page.
7076 2005-07-29 David Ung <davidu@mips.com>
7078 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
7079 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
7080 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
7081 * config/mips/mips.md (cpu): Add 5kf name.
7082 (includes): Includes 5k.md.
7083 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
7084 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
7087 2005-07-29 Diego Novillo <dnovillo@redhat.com>
7090 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
7091 (cleanup_tree_cfg): ... here.
7092 Call cleanup_tree_cfg_1 until there are no more cleanups to
7095 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
7097 * tree-vrp.c (compare_range_with_value): Return true or false
7098 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
7099 EQ_EXPR respectively.
7101 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
7103 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
7106 2005-07-29 Diego Novillo <dnovillo@redhat.com>
7108 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
7109 (tree_ssa_dominator_optimize): Increment it.
7110 (dump_dominator_optimization_stats): Print it.
7112 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
7113 Steven Bosscher <stevenb@suse.de>
7115 PR rtl-optimization/23117
7116 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
7117 when head == tail. Tidy comment.
7119 2005-07-28 Richard Henderson <rth@redhat.com>
7121 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
7122 * cselib.c (rtx_equal_for_cselib_p): Likewise.
7123 * jump.c (rtx_renumbered_equal_p): Likewise.
7124 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
7125 CONST_INT and CONST_DOUBLE.
7126 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
7127 * reload.c (operands_match_p): Special case CONST_INT and
7128 CONST_DOUBLE; check mode earlier.
7130 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7133 * c-typeck.c (convert_for_assignment): Do not check
7134 DECL_IN_SYSTEM_HEADER on NULL fundecl.
7136 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7139 * c-typeck.c (composite_type): Prefer constant size arrays to
7142 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7145 * real.c (real_from_string): Set last bit if there is a nonzero
7146 hex digit beyond GCC's internal precision.
7148 2005-07-28 Richard Henderson <rth@redhat.com>
7151 * cfgcleanup.c (try_forward_edges): Watch out for end of
7154 2005-07-28 James E Wilson <wilson@specifixinc.com>
7157 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
7159 2005-07-28 Jan Hubicka <jh@suse.cz>
7161 * Makefile.in (rtl-profile.o): Kill all traces of it.
7162 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
7163 * coverage.h (rtl_coverage_counter_ref): Kill.
7164 * opts.c (flag_speculative_prefetching_set): Kill.
7165 (flag_loop_optimize_set): New.
7166 (common_handle_option): Disable loop optimizer when profiling;
7167 do not handle speculative prefetching.
7168 * passes.c (init_optimization_passes): Replace pass_profiling combo
7169 by branch_prob pass.
7170 * profile.c (compute_value_histograms): Update for simplified value
7172 (rtl_register_profile_hooks): Kill.
7173 (pass_profiling): Kill.
7174 (rest_of_handle_branch_prob): Do not profile.
7175 * toplev.c (process_options): Remove speculative prefetching.
7176 * toplev.h (flag_tree_based_profiling): Kill.
7177 * tree-profile.c (prepare_instrumented_value,
7178 tree_gen_interval_profiler, tree_gen_pow2_profiler,
7179 tree_gen_one_value_profiler, do_tree_profiling): Update for
7180 simplified datastructures.
7181 * value-prof.c: Add comment that speculative prefetching was dropped;
7182 update rest of file for simplified datastructures.
7183 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
7184 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
7185 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
7186 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
7187 rtl_mod_subtract, gen_speculative_prefetch,
7188 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
7189 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
7190 (gate_handle_value_profile_transformations,
7191 rest_of_handle_value_profile_transformations,
7192 pass_value_profile_transformations): Kill.
7193 * value-prof.h (histogram_value_t): Remove IL based unions.
7194 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
7195 rtl_profile_hooks): Remove hooks.
7197 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
7199 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
7200 (cgraph_clone_node): Likewise.
7201 * cgraph.h (cgraph_clone_edge): Update prototype.
7202 (cgraph_clone_node): Likewise.
7203 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
7205 (lookup_recursive_calls): Consider profile.
7206 (cgraph_decide_recursive_inlining): Fix updating; use new
7207 probability argument; use profile.
7208 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
7209 * tree-inline.c (copy_bb): Update clal of clone_edge.
7210 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
7212 * invoke.texi (min-inline-recursive-probability): Document.
7214 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
7216 * doc/install.texi (Configuration): Update Valgrind homepage.
7218 2005-07-28 Richard Henderson <rth@redhat.com>
7221 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
7222 labels we want to delete.
7223 (cfg_layout_merge_blocks): Likewise.
7225 2005-07-28 Richard Henderson <rth@redhat.com>
7228 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
7229 when expanding to nothing.
7231 2005-07-28 Josh Conner <jconner@apple.com>
7233 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
7234 (cgraph_decide_inlining_of_small_functions): Likewise.
7236 2005-07-28 Josh Conner <jconner@apple.com>
7238 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
7239 direction of badness if negative.
7240 (cgraph_default_inline_p): Add reason to parameters, and assign it
7242 (cgraph_decide_inlining_of_small_functions): New parameter in call
7243 to cgraph_default_inline_p.
7244 (cgraph_decide_inlining_incrementally): Likewise.
7245 * cgraphunit.c (decide_is_function_needed): Likewise.
7246 * cgraph.h (cgraph_default_inline_p): Likewise.
7248 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7250 * builtins.c: Fix comment typo(s).
7251 * genautomata.c: Likewise.
7252 * gimplify.c: Likewise.
7253 * tree-dfa.c: Likewise.
7254 * tree-flow-inline.h: Likewise.
7255 * tree-into-ssa.c: Likewise.
7256 * tree-ssa-alias.c: Likewise.
7257 * tree-ssa-ccp.c: Likewise.
7258 * tree-ssa-copy.c: Likewise.
7259 * tree-ssa-dce.c: Likewise.
7260 * tree-ssa-dom.c: Likewise.
7261 * tree-ssa-operands.c: Likewise.
7262 * tree-tailcall.c: Likewise.
7263 * tree-vectorizer.c: Likewise.
7264 * tree-vrp.c: Likewise.
7267 2005-07-28 Jeff Law <law@redhat.com>
7269 * tree-vrp.c (test_for_singularity): Extracted from ...
7270 (simplify_cond_using_ranges): Attempt to simplify a relational
7271 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
7273 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
7275 PR tree-optimization/22506
7276 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
7277 phis whose argument is constant.
7279 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
7281 PR rtl-optimization/18992
7282 Back out this patch:
7283 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7284 PR optimization/12142
7285 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
7286 uses of the register in the SET_SRC. Remove unnecessary argument.
7288 Replace it with this:
7289 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
7290 if flag_non_call_exceptions is set and the insn may trap, pass
7291 pc_rtx as dest for recursion.
7292 In SET_SRC part of SET case, if dest is already set, pass it down
7295 2005-07-28 Jan Hubicka <jh@suse.cz>
7297 * cfg.c (update_bb_profile_for_threading): Use RDIV.
7298 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
7299 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
7301 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
7302 profile when available.
7304 2005-07-28 Jan Beulich <jbeulich@novell.com>
7306 * config/ia64/ia64.c (ia64_load_pair_ok): New.
7307 (ia64_print_operand): Describe and handle 'X'.
7308 (ia64_register_move_cost): Also handle FP_REGS.
7309 (ia64_preferred_reload_class): Likewise.
7310 (ia64_secondary_reload_class): Likewise.
7311 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
7312 it. Also check for ITANIUM_CLASS_FLDP.
7313 * config/ia64/ia64.h (FP_REGNO_P): New.
7314 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
7315 (reg_class): Add FP_REGS.
7316 (REG_CLASS_NAMES): Adjust for it.
7317 (REG_CLASS_CONTENTS): Likewise.
7318 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
7319 (REG_CLASS_FROM_LETTER): Handle 'x'.
7320 (CLASS_MAX_NREGS): Handle FP_REGS.
7321 (MEMORY_MOVE_COST): Likewise.
7322 * config/ia64/ia64.md (itanium_class): Add fldp.
7323 (type): Handle fldp.
7324 (movti_internal): More allowable operand combinations. Use ldfp8 when
7325 splitting unnecessary. Remove predicable attribute. Adjust
7326 itanium_class attribute.
7327 (smuldi3_highpart): Remove outdated comment.
7328 (mulditi3, umulditi3, rotlti3): New expanders.
7329 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
7330 (absti2): Disabled new insn for future reference.
7331 Respective new splitters.
7332 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
7333 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
7334 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
7336 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
7338 PR rtl-optimization/23047
7339 * simplify-rtx.c (simplify_const_relational_operation): Respect
7340 flag_wrapv for comparisons with ABS.
7342 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
7344 PR tree-optimization/22493
7345 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
7346 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
7348 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
7350 * config/frv/frv.opt (moptimize-membar): New.
7352 * doc/invoke.texi: Document -moptimize-membar and its inverse.
7354 * config/frv/frv.h: Remove machine_function definition.
7356 * config/frv/frv.c (struct frv_io): New.
7357 (struct machine_function): Moved from frv.h. Add has_membar_p.
7358 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
7359 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
7360 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
7361 (frv_optimize_membar_global, frv_optimize_membar): New functions.
7362 (frv_reorg): Call frv_optimize_membar when appropriate.
7363 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
7364 (frv_expand_builtin): Adjust calls accordingly.
7365 (frv_io_address_cookie): New function.
7366 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
7367 load or store rather than a special insn. Add ccnstant address and
7368 io-type operands to the membar.
7369 (frv_ifcvt_modify_tests): Unsign regno.
7370 (frv_ifcvt_modify_tests): Same.
7372 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
7373 UNSPEC_OPTIONAL_MEMBAR constant.
7374 (builtin_read_<mode>): Delete.
7375 (builtin_write_<mode>): Delete.
7376 ("optional_membar_<mode>"): Add operand.
7378 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
7379 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
7380 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
7381 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
7382 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
7383 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
7384 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
7385 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
7386 * testsuite/gcc.target/frv/all-read-write-1.c: New.
7388 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
7390 * df.c (df_uses_record): Handle SCRATCH.
7392 2005-07-28 Steven Bosscher <stevenb@suse.de>
7395 * passes.c (rest_of_decl_compilation): If decl is a type and
7396 we have encountered errors, don't emit debug information.
7398 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7400 * params.def: Fixed comment.
7402 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
7405 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
7406 (TARGET_ASM_UNALIGNED_HI_OP): Add.
7407 (TARGET_ASM_UNALIGNED_SI_OP): Add.
7409 2005-07-27 Steven Bosscher <stevenb@suse.de>
7412 * varasm.c (assemble_start_function): Don't do anything that may
7413 require a CFG if the current function is a thunk.
7415 2005-07-25 Geoffrey Keating <geoffk@apple.com>
7417 * doc/install.texi (Prerequisites): Mention that perl is needed
7418 to do export control in libstdc++ targetting Darwin.
7420 2005-07-27 Steven Bosscher <stevenb@suse.de>
7422 PR rtl-optimization/17808
7423 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
7424 (sched_insns_conditions_mutex_p): Split out from...
7425 (add_dependence): ...here. But don't call it from here.
7426 (add_dependence_list): Check sched_insns_conditions_mutex_p
7427 before calling add_dependence.
7428 (add_dependence_list_and_free): Likewise.
7429 (fixup_sched_groups): Likewise.
7430 (sched_analyze_1): Likewise.
7431 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
7432 (sched_analyze): Likewise.
7433 (sched_analyze_insn): Likewise.
7434 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
7435 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
7436 dependencies on all COND_EXEC insns to jumps ending basic blocks
7437 when doing intrablock scheduling.
7438 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
7440 2005-07-27 Jeff Law <law@redhat.com>
7442 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
7443 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
7444 equivalency sets, correctly handle the case were vr0 has an
7445 equivalency set, but vr1 does not.
7447 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
7449 PR tree-optimization/23073
7450 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
7451 vect_print_dump_info before fprintf.
7453 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7455 PR tree-optimize/22348
7456 * tree-ssa-loop-niter.c (number_of_iterations_cond):
7457 Fold the partial computation.
7459 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7461 PR tree-optimization/22325
7462 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
7464 * tree-scalar-evolution.c (scev_const_prop): Add generic final
7466 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
7467 (force_var_cost): ... this function.
7468 (compute_phi_arg_on_exit): Export.
7470 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7472 PR tree-optimization/20773
7473 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
7476 2005-07-27 Richard Guenther <rguenther@suse.de>
7478 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
7479 Avoid pushing again if current struct contains only
7480 fields we decomposed.
7482 2005-07-27 Jan Hubicka <jh@suse.cz>
7484 PR tree-optimization/22574
7485 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
7488 * tree-tailcall.c (decrease_profile): New function.
7489 (eliminate_tail_call): Use it.
7491 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
7492 visibility flags correctly in whole program mode.
7494 2005-07-26 Steve Ellcey <sje@cup.hp.com>
7496 PR rtl-optimization/22472
7497 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
7499 2005-07-26 Steven Bosscher <stevenb@suse.de>
7501 PR tree-optimization/22504
7502 * tree-complex.c (expand_complex_addition): Use 'code' instead
7503 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
7505 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7507 * config.gcc (cpu_type): Add frv case.
7508 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
7509 (supported_defaults): Add fr550 case.
7511 2005-07-26 Diego Novillo <dnovillo@redhat.com>
7514 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
7515 whether a pointer of type T * may point to objects of type T *.
7517 2005-07-26 DJ Delorie <dj@redhat.com>
7519 * configure: Regenerate.
7521 2005-07-26 Dale Johannesen <dalej@apple.com>
7523 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
7525 2005-07-26 Mark Mitchell <mark@codesourcery.com>
7527 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
7528 Clarify use of "build" in name.
7530 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7532 * doc/extend.texi (Raw read/write Functions): New section.
7533 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
7534 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
7535 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
7536 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
7537 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
7538 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
7539 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
7540 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
7541 * config/frv/frv.c: Add bdesc_loads global.
7542 Add bdesc_stores global.
7543 (frv_init_builtins): Add support for __builtin_{read/write}*.
7544 (frv_volatile_memref): New.
7545 (frv_expand_load_builtin): New.
7546 (frv_expand_store_builtin): New.
7547 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
7548 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
7549 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
7550 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
7551 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
7552 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
7553 (builtin_read_<mode>): New.
7554 (builtin_write_<mode>): New.
7555 (builtin_write64): New.
7556 (optional_membar_<mode>): New.
7558 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
7560 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
7561 (rather than units) against HOST_BITS_PER_WIDE_INT.
7563 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
7565 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
7566 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
7567 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
7568 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
7571 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
7572 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
7573 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
7575 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
7577 2005-07-26 Richard Guenther <rguenther@suse.de>
7579 PR tree-optimization/22486
7580 * fold-const.c (fold_unary): Fold away useless component
7581 references of the form (T *)&T.x, if the address
7584 2005-07-25 James E Wilson <wilson@specifixinc.com>
7586 * dwarf2out.c (add_call_src_coords_attributes): New.
7587 (gen_inlined_subroutine_die): Call it.
7588 (maybe_emit_file, init_file_table): Add comments.
7589 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
7591 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
7592 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
7593 * tree.h (BLOCK_SOURCE_LOCATION): New.
7594 (struct tree_block): New field locus.
7596 2005-07-26 Andreas Schwab <schwab@suse.de>
7598 PR rtl-optimization/23043
7599 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
7600 when allocating a struct unoccr.
7602 2005-07-25 Richard Henderson <rth@redhat.com>
7605 * tree-complex.c (gate_no_optimization): True if errors.
7606 * Makefile.in (tree-complex.o): Update dependencies.
7608 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
7610 * config/frv/predicates.md (integer_register_operand): Use
7613 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7616 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
7618 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
7620 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7622 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
7623 types when flag_unsafe_math_optimizations is true.
7625 2005-07-25 Mark Mitchell <mark@codesourcery.com>
7627 * gcc.c (option_map): Add --sysroot.
7628 (process_command): Handle --sysroot.
7629 (display_help): Document it.
7630 * doc/cppopts.tex (-isysroot): Document.
7631 * doc/invoke.texi (--sysroot): Document.
7632 * doc/install.texi (--with-build-sysroot): Document.
7634 * Makefile.in (inhibit_libc): New variable.
7635 (INHIBIT_LIBC_CFLAGS): Likewise.
7636 (LIBGCC2_CFLAGS): Include
7637 $(INHIBIT_LIBC_CFLAGS).
7638 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
7639 ($(T)crtbegin.o): Do not use @inhibit_libc@.
7640 ($(T)crtend.o): Likewise.
7641 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
7642 ($(T)crtendS.o): Likewise.
7643 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
7644 ($(T)crtendT.o): Likewise.
7645 (stmp-fixinc): Do not complain about missing headers if
7647 * configure.ac (inhibit_libc): Set it to true/false.
7648 (--with-build-sysroot): New option. Use it to set
7650 * configure: Regenerated.
7652 2005-07-25 Manfred Hollstein <mh@suse.com>
7654 * calls.c (store_one_arg): Fix unsigned comparison warning.
7656 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
7659 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
7660 (ggc_print_statistics): Initialize variable before use.
7662 2005-07-25 Richard Guenther <rguenther@suse.de>
7664 * tree-dfa.c (mark_new_vars_to_rename): Protect against
7665 calling with a PHI_NODE argument.
7667 * tree-flow-inline.h (overlap_subvar): Protect against
7670 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
7672 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
7673 * configure: Regenerate.
7675 2005-07-25 Ira Rosen <irar@il.ibm.com>
7677 * expr.c (highest_pow2_factor): Make extern.
7678 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
7679 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7680 record_array_differ_p, array_ptr_differ_p): Likewise.
7681 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
7682 additional cases. Call the above functions.
7683 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
7684 base_object_differ_p when there are two base objects. Otherwise, compare
7685 base address and offset. Call may_alias_p.
7686 (dump_data_reference): Use a correct field name.
7687 (analyze_array): Make static. Initialize new data-ref fields.
7688 (analyze_indirect_ref): New function.
7689 (init_data_ref): Initialize new data-ref fields.
7690 (strip_conversion): Moved from tree-vect-analyze.c.
7691 (analyze_offset_expr, get_ptr_offset, address_analysis,
7692 object_analysis): Likewise.
7693 (analyze_offset): New function.
7694 (create_data_ref): Likewise.
7695 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
7696 dimensions for ARRAY_REFs only.
7697 (build_classic_dist_vector): Make static.
7698 (access_functions_are_affine_or_constant_p): Call macro to get the
7699 address of access functions.
7700 (compute_all_dependences): Add new parameter
7701 compute_self_and_read_read_dependences. Compute self and read-read
7702 dependences if it is true.
7703 (find_data_references_in_loop): Call create_data_ref. Initialize new
7705 (compute_data_dependences_for_loop): Add new parameter
7706 compute_self_and_read_read_dependences. Remove parameter nb_loops,
7707 compute nb_loops. Call compute_all_dependences,
7708 build_classic_dist_vector and build_classic_dir_vector with correct
7710 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
7711 with correct parameters. Compare dimensions for ARRAY_REFs only.
7712 (free_data_refs): Call macro to free access functions.
7713 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
7714 fields from stmt_vinfo.
7715 (struct base_object_info): New structure.
7716 (struct data_reference): Move fields to base_object_info. Add fields
7717 first_location and object_info for above structures. Move fields from
7718 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
7719 aligned_to. Add macros to access the new fields.
7720 Update functions declarations.
7721 * tree-flow.h (is_aliased_with): Declare.
7722 * tree-loop-linear.c (linear_transform_loops): Call
7723 compute_data_dependences_for_loop with correct parameters.
7724 * tree-ssa-alias.c (is_aliased_with): New function.
7725 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
7726 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
7727 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
7728 vect_base_addr_differ_p, compute_subscript_distance and
7729 build_classic_dist_vector. Add printings. Check absolute value of
7731 (vect_analyze_data_ref_dependences): Go through ddrs instead of
7733 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
7734 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
7735 to bytes. Add printing.
7736 (vect_compute_data_refs_alignment): Go through loads and stores in one
7738 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
7739 vect_analyze_data_ref_access): Likewise.
7740 (vect_analyze_pointer_ref_access): Remove.
7741 (vect_address_analysis, vect_object_analysis): Likewise.
7742 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
7743 and analyze data-refs in the loop.
7744 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
7745 fields of data-ref instead of stmt. Add init to the offset from the
7747 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
7748 (vect_update_init_of_dr): Likewise.
7749 (vect_update_inits_of_drs): Go through loads and stores in one loop.
7750 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
7752 (new_loop_vec_info): Initialize new fields.
7753 (destroy_loop_vec_info): Free new fields.
7754 (vect_strip_conversion): Remove.
7755 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
7756 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7757 datarefs. Add new field ddrs.
7758 Add macros for the new fields access.
7759 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
7760 base_aligned_p, misalignment, memtag, ptr_info and subvars.
7761 Remove their macros.
7762 * tree.h (highest_pow2_factor): Declare.
7764 2005-07-25 Jakub Jelinek <jakub@redhat.com>
7766 * calls.c (store_one_arg): Check for sibling call MEM arguments
7767 from already clobbered incoming argument area.
7769 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7771 * c-common.c (check_missing_format_attribute): New.
7772 * c-common.h (check_missing_format_attribute): Likewise.
7773 * c-typeck.c (convert_for_assignment): Use it.
7775 2005-07-24 Andreas Schwab <schwab@suse.de>
7777 * config/m68k/m68k.md ("extendqidi2"): When source is an address
7778 register use a word move. Correct operand of ext.w in 68000 code.
7780 2005-07-23 Mark Mitchell <mark@codesourcery.com>
7782 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
7783 variables as declarations, rather than definitions.
7785 2005-07-24 Ira Rosen <irar@il.ibm.com>
7787 PR tree-optimization/22526
7788 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
7791 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7793 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
7794 that C99 reserve for future use. Use it to define clog10,
7795 clog10f and clog10l.
7797 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7799 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
7800 * configure.ac: Check for -Wmissing-format-attribute.
7802 * configure: Regenerate.
7804 2005-07-23 Richard Henderson <rth@redhat.com>
7806 PR tree-optimization/22623
7807 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
7809 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
7812 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
7814 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7816 * Makefile.in (C_TREE_H): Update dependencies.
7817 * c-tree.h: Include toplev.h.
7818 * diagnostic.h (diagnostic_set_info): Add format attribute.
7819 * rtl-error.c (diagnostic_for_asm): Likewise.
7821 2005-07-23 Chao-ying Fu <fu@mips.com>
7823 * config/mips/mips-dsp.md: New file.
7824 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
7825 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
7827 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
7828 MIPS_BUILTIN_BPOSGE32.
7829 (mips_expand_builtin_direct): Add one parameter to indicate that
7830 builtin functions need to return a value.
7831 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
7833 (mips_regno_to_class): Add classes for 12 new DSP registers.
7834 (mips_subword): Change to check four HI registers.
7835 (mips_output_move): Output move to and from 6 new DSP accumulators.
7836 (override_options): Make sure -mdsp and -mips16 are not used together.
7837 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
7839 (mips_conditional_register_usage): Disable 6 new DSP accumulators
7841 (print_operand): Add 'q' for printing DSP accumulators.
7842 (mips_cannot_change_mode_class): Check ACC_REGS.
7843 (mips_secondary_reload_class): Check ACC_REGS.
7844 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
7845 (mips_register_move_cost): Check ACC_REGS.
7846 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
7847 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
7848 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
7849 (dsp_bdesc): New array.
7850 (bdesc_arrays): Add DSP builtin function table.
7851 (mips_prepare_builtin_arg): Check predicate again after
7853 (mips_expand_builtin): Add one more parameter to
7854 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
7855 MIPS_BUILTIN_BPOSGE32.
7856 (mips_init_builtins): Initialize new function types.
7857 (mips_expand_builtin_direct): Check if builtin functions need to
7858 return a value and pass operands properly.
7859 (mips_expand_builtin_bposge): New function.
7860 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
7861 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
7862 (FIRST_PSEUDO_REGISTER): Increase to 188.
7863 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
7864 Update for 12 new DSP registers.
7865 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
7866 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
7867 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
7868 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
7869 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
7870 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
7871 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
7872 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
7873 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
7874 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
7875 (REGISTER_NAMES): Add names for 12 new DSP registers.
7876 * config/mips/mips.md: Include mips-dsp.md.
7877 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
7878 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
7879 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
7880 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
7881 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
7882 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
7883 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
7884 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
7885 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
7886 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
7887 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
7888 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
7889 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
7890 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
7891 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
7892 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
7893 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
7894 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
7895 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
7896 (UNSPEC_RDDSP): New constants.
7897 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
7898 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
7900 * config/mips/mips.opt (-mdsp): New option.
7901 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
7902 (reg_imm10_operand): New predicates.
7903 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
7904 * doc/invoke.texi (-mdsp): Document new option.
7906 2005-07-22 DJ Delorie <dj@redhat.com>
7908 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
7910 * tree-inline.c (inlinable_function_p): Likewise.
7912 2005-07-22 Mark Mitchell <mark@codesourcery.com>
7915 * toplev.c (check_global_declarations): Do not mark undefined
7916 variables as DECL_IGNORED_P.
7917 * varasm.c (first_global_object_name): GTY it.
7918 (weak_global_object_name): Likewise.
7919 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
7920 a string to go into {weak,first}_global_object_name.
7922 2005-07-22 DJ Delorie <dj@redhat.com>
7924 * c-format.c (check_function_format): Change warning control
7925 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
7927 2005-07-22 Diego Novillo <dnovillo@redhat.com>
7929 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
7930 &PTR->FLD a dereference of PTR.
7931 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
7932 a potential dereference of PTR.
7934 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
7936 PR rtl-optimization/20370
7937 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
7938 call allocate_reg_info if necessary.
7940 PR rtl-optimization/21848
7941 * calls.c (emit_library_call_value_1): For const functions, add
7942 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
7944 PR rtl-optimization/22445
7945 * cselib.c (target.h): Include.
7946 (rtx_equal_for_cselib_p): Allow commutative matches.
7947 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
7948 Remove MODE parameter. Changed all callers.
7950 PR rtl-optimization/22258
7951 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
7953 (try_combine): Use likely_spilled_retval_p.
7955 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
7957 * config.gcc: Add crx-elf support.
7959 * doc/contrib.texi: Mention crx.
7960 * doc/extend.texi: Document crx extensions.
7961 * doc/install.texi: Document crx install.
7962 * doc/invoke.texi: Document crx options.
7963 * doc/md.texi: Document crx constraints.
7965 * config/crx/crx-protos.h: New file.
7966 * config/crx/crx.c: New file.
7967 * config/crx/crx.h: New file.
7968 * config/crx/crx.md: New file.
7969 * config/crx/crx.opt: New file.
7970 * config/crx/t-crx: New file.
7972 2005-07-22 Manfred Hollstein <mh@suse.com>
7974 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
7976 (int_add_graph_edge): Likewise.
7977 (collapse_nodes): Likewise.
7978 (process_unification_queue): Likewise.
7980 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7981 Laurent GUERBY <laurent@guerby.net>
7983 PR tree-optimization/22336
7984 * function.c (record_block_change): Check for
7985 cfun->ib_boundaries_block.
7987 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
7989 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
7990 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
7992 2005-07-21 DJ Delorie <dj@redhat.com>
7994 * toplev.c (warn_deprecated_use): Add warning control to warning
7996 * c-typeck.c (parser_build_binary_op): Likewise.
7997 (c_finish_if_stmt): Likewise.
7998 * c-common.c (check_function_sentinel): Likewise.
7999 (check_nonnull_arg): Likewise.
8001 2005-07-21 Richard Henderson <rth@redhat.com>
8004 * tree-complex.c (complex_ssa_name_components): New.
8005 (cvc_lookup): Allow entry not found.
8006 (create_components): Remove.
8007 (create_one_component_var, get_component_var): New.
8008 (get_component_ssa_name, set_component_ssa_name): New.
8009 (extract_component): Use get_component_ssa_name.
8010 (update_complex_components): Use set_component_ssa_name.
8011 (update_complex_components_on_edge): Likewise.
8012 (update_phi_components): Create new PHI nodes directly, instead
8013 of adding insns to edges.
8014 (tree_lower_complex): Allocate and free complex_variable_components
8015 and complex_ssa_name_components here.
8017 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
8019 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
8020 revert to returning false.
8022 2005-07-21 Uros Bizjak <uros@kss-loka.si>
8025 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
8027 2005-07-21 Uros Bizjak <uros@kss-loka.si>
8030 * config/i386/i386.md (cmpxf): Change operand constraints
8031 to "nonmemory_operand".
8033 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
8035 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
8037 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
8040 * fold-const.c (fold_build1): Add checksum for the operands.
8041 (fold_build2): Likewise.
8042 (fold_build3): Likewise.
8044 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
8047 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
8049 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
8051 * common.opt (-fforward-propagate): Committed by mistake,
8054 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8056 * reg-stack.c: Fix comment typo(s).
8057 * tree-ssa-operands.c: Likewise.
8058 * tree-vectorizer: Likewise.
8060 2005-07-21 Nick Clifton <nickc@redhat.com>
8062 * config/sh/symbian.c: Replace C++ style line comments with C
8063 style line comments.
8064 (symbian_add_attribute): Do not use a ? operator on the LHS of
8066 (sh_symbian_handle_dll_attribute): Change the type of the
8067 method vector to "VEC(tree,gc)*" and use vector accessor
8068 macros to walk over the elements.
8069 (symbian_export_vtable_and_rtti_p): Likewise.
8070 (symbian_class_needs_attribute_p): Likewise.
8072 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
8075 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
8076 initialize targetm.resolve_overloaded_builtin here.
8077 (altivec_expand_overloaded_builtin): Make it non-static.
8078 * config/rs6000/rs6000-protos.h
8079 (altivec_expand_overloaded_builtin): New prototype.
8080 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
8081 targetm.resolve_overloaded_builtin here.
8082 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
8084 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
8085 Zdenek Dvorak <dvorakz@suse.cz>
8087 PR tree-optimization/19210
8088 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
8090 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
8091 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
8092 rely on unproven assumptions.
8093 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
8094 * tree-flow.h (number_of_iterations_exit): Add final parameter.
8095 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
8096 to number_of_iterations_exit.
8097 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
8098 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
8099 * tree-ssa-loop-niter.c (find_loop_niter,
8100 estimate_numbers_of_iterations_loop): Likewise.
8101 (number_of_iterations_exit): Honor the new options.
8102 * doc/invoke.texi (Wunsafe-loop-optimizations,
8103 funsafe-loop-optimizations): Document them.
8105 2005-07-21 Richard Sandiford <richard@codesourcery.com>
8107 PR rtl-optimization/22167
8108 * gcse.c (hoist_code): Fix hoist_exprs[] check.
8110 2005-07-20 Adam Nemet <anemet@lnxw.com>
8112 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
8113 __do_global_dtors_aux longcall.
8115 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
8117 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
8118 (old_special_pred_table): Don't reference
8119 SPECIAL_MODE_PREDICATES.
8120 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
8121 * config/arc/arc.h: Don't mention PREDICATE_CODES.
8122 * config/sh/predicates.h: Don't mention
8123 SPECIAL_MODE_PREDICATES.
8124 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
8127 2005-07-20 DJ Delorie <dj@redhat.com>
8129 * config.gcc: Add m32c-elf support.
8131 * doc/contrib.texi: Mention m32c.
8132 * doc/extend.texi: Document m32c extensions.
8133 * doc/install.texi: Mention m32c.
8134 * doc/invoke.texi: Document m32c options.
8135 * doc/md.texi: Document m32c constraints.
8137 * config/m32c/addsub.md: New file.
8138 * config/m32c/bitops.md: New file.
8139 * config/m32c/cond.md: New file.
8140 * config/m32c/jump.md: New file.
8141 * config/m32c/m32c-lib1.S: New file.
8142 * config/m32c/m32c-lib2.c: New file.
8143 * config/m32c/m32c-modes.def: New file.
8144 * config/m32c/m32c-pragma.c: New file.
8145 * config/m32c/m32c-protos.h: New file.
8146 * config/m32c/m32c.abi: New file.
8147 * config/m32c/m32c.c: New file.
8148 * config/m32c/m32c.h: New file.
8149 * config/m32c/m32c.md: New file.
8150 * config/m32c/m32c.opt: New file.
8151 * config/m32c/minmax.md: New file.
8152 * config/m32c/mov.md: New file.
8153 * config/m32c/muldiv.md: New file.
8154 * config/m32c/predicates.md: New file.
8155 * config/m32c/prologue.md: New file.
8156 * config/m32c/shift.md: New file.
8157 * config/m32c/t-m32c: New file.
8159 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
8161 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8162 (stack_protect_set, stack_protect_test): New expanders.
8163 (stack_protect_set_si, stack_protect_set_si_media,
8164 stack_protect_set_di_media, stack_protect_test_si,
8165 stack_protect_test_si_media, stack_protect_test_di_media):
8168 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
8170 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
8172 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
8174 * tree.h (tree_expr_nonzero_p): Export.
8175 * fold-const.c (tree_expr_nonzero_p): Likewise.
8176 Return true for CALL_EXPRs that are alloca calls.
8177 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
8179 * tree-flow.h (expr_computes_nonzero): Remove.
8180 * tree-vrp.c (expr_computes_nonzero): Remove.
8181 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
8182 (extract_range_from_unary_expr): Likewise.
8183 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
8184 tree_expr_nonzero_p.
8186 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
8188 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
8189 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
8190 extra arg "picreg" and use it instead of pic_offset_table_rtx.
8191 All callers changed.
8192 (frame_related_constant_load): New arg "related" which controls
8193 setting of RTX_FRAME_RELATED_P. All callers changed.
8194 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
8195 (bfin_expand_prologue): Add stack limit checking.
8196 * config/bfin/bfin.md (trapifcc): New pattern.
8198 * config/bfin/bfin.c: Include "langhooks.h".
8199 (def_builtin): Go through lang_hooks to call builtin_function.
8201 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
8202 * config/bfin/predicates.md (symbol_ref_operand): New.
8203 (call_insn_operand): Delete. All callers changed to use
8204 register_no_elim_operand.
8205 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
8207 (function_arg): Use it to generate the call's operand 2.
8208 (bfin_longcall_p): New function.
8209 (bfin_expand_call): Extra arg "cookie". All callers and declaration
8210 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
8211 determine if the address needs to be in a REG.
8212 (bfin_handle_longcall_attribute): New function.
8213 (bfin_attribute_table): Add "longcall" and "shortcall".
8214 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
8215 (CUMULATIVE_ARGS): New member call_cookie.
8216 (PREDICATE_CODES): Add symbol_ref_operand.
8217 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
8218 extra USE to the pattern.
8219 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
8220 New patterns, split off call_insn, sibcall_insn, call_value_insn and
8221 sibcall_value_insn; now the new patterns handle direct calls and the
8222 old ones indirect calls.
8223 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
8225 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
8227 * doc/trouble.texi: Update section on handling of empty loops.
8229 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
8231 * config.gcc: Remove support for sparc-*-openbsd*,
8232 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
8234 * config.host: Remove support for i860-*-sysv4* as a host.
8235 * config/i860/*, config/ip2k/*, config/ns32k/*,
8236 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
8237 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
8238 mention obsolete ports.
8240 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
8242 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
8244 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
8245 of frame_pointer_rtx.
8246 (sh_expand_epilogue): Likewise.
8247 (sh_set_return_address): Likewise.
8248 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
8249 instead of FRAME_POINTER_REGNUM if needed. Add elimination
8250 offsets from FRAME_POINTER_REGNUM.
8251 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
8252 (sh_register_names): Add initializer for sfp.
8253 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
8254 (VALID_REGISTER_P): Likewise.
8255 (FIRST_PSEUDO_REGISTER): Update.
8256 (DWARF_FRAME_REGISTERS): Define.
8257 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
8258 (HARD_FRAME_POINTER_REGNUM): Define.
8259 (FRAME_POINTER_REGNUM): Redefine.
8260 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
8261 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
8262 from FRAME_POINTER_REGNUM.
8263 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
8264 FRAME_POINTER_REGNUM.
8265 (REG_CLASS_CONTENTS): Add sfp.
8266 (REG_ALLOC_ORDER): Likewise.
8267 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
8268 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
8269 of frame_pointer_rtx.
8270 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
8272 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
8274 * fold-const.c (tree_expr_nonnegative_p): Only return true for
8275 ABS_EXPR when flag_wrapv is false because of INT_MIN.
8276 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
8278 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
8281 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
8283 Make CONSTRUCTOR use VEC to store initializers.
8284 * c-common.c (complete_array_type): Update to cope with VEC in
8286 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
8287 (pp_c_constructor_elts): New function.
8288 * c-pretty-print.h (pp_c_constructor_elts): Declare.
8289 * c-typeck.c (build_function_call, build_c_cast, digest_init,
8290 struct constructor_stack, struct initializer_stack,
8291 constructor_elements, push_init_level, pop_init_level,
8292 add_pending_init, find_init_member, output_init_element): Update to
8293 cope with VEC in CONSTRUCTOR_ELTS.
8294 * coverage.c (build_fn_info_value, build_ctr_info_value,
8295 build_gcov_info): Likewise.
8296 * expr.c (categorize_ctor_elements_1, store_constructor,
8297 expand_expr_real_1): Likewise.
8298 * fold-const.c (fold_ternary): Likewise.
8299 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
8300 gimplify_init_constructor, gimplify_expr): Likewise.
8301 * tree-dump.c (dequeue_and_dump): Likewise.
8302 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
8304 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
8306 * tree-sra.c (generate_element_init_1): Likewise.
8307 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
8308 * tree-ssa-operands.c (get_expr_operands): Likewise.
8309 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
8310 * tree-vect-transform.c (vect_get_vec_def_for_operand):
8311 (get_initial_def_for_reduction): Likewise.
8312 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
8313 value handle in annotations.
8314 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
8315 tree_node_structure): Add support for constr_kind.
8316 (build_vector_from_ctor, build_constructor_single,
8317 build_constructor_from_list): New functions.
8318 (build_constructor): Update to take a VEC instead of a TREE_LIST.
8319 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
8320 Update to cope with VEC in CONSTRUCTOR_ELTS.
8321 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
8322 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
8323 CONSTRUCTOR_APPEND_ELT): New macros.
8324 (struct constructor_elt, struct tree_constructor): New data types.
8325 (union tree_node): Add tree_constructor field.
8326 * treestruct.def: Define TS_CONSTRUCTOR.
8327 * varasm.c (const_hash_1, compare_constant, copy_constant,
8328 compute_reloc_for_constant, output_addressed_constants,
8329 initializer_constant_valid_p, output_constant,
8330 array_size_for_constructor, output_constructor): Update to cope with
8331 VEC in CONSTRUCTOR_ELTS.
8332 * vec.h (VEC_empty, VEC_copy): New macros.
8334 2005-07-19 Devang Patel <dpatel@apple.com>
8336 * dbxout.c (dbxout_type): Check Objective-C++ lang.
8338 2005-07-19 Richard Henderson <rth@redhat.com>
8341 * gimplify.c (gimplify_expr): Use main variant type for the temp
8342 destination for a discarded volatile read.
8343 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
8344 casts between non-void types that change volatility.
8346 2005-07-15 DJ Delorie <dj@redhat.com>
8348 * toplev.h: Add comment about the first parameter for warning().
8349 * errors.h: Likewise.
8351 * c.opt (Wpragmas): New.
8352 * doc/invoke.texi: Document it.
8354 * function.c (do_warn_unused_parameter): Add warning control to
8356 * c-decl.c (warn_if_shadowing): Likewise.
8357 * c-lex.c (cb_def_pragma): Likewise.
8358 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
8359 (pop_alignment): Likewise.
8360 (handle_pragma_pack): Likewise.
8361 (apply_pragma_weak): Likewise.
8362 (handle_pragma_weak): Likewise.
8363 (handle_pragma_redefine_extname): Likewise.
8364 (add_to_renaming_pragma_list): Likewise.
8365 (handle_pragma_extern_prefix): Likewise.
8366 (maybe_apply_renaming_pragma): Likewise.
8367 (handle_pragma_visibility): Likewise.
8369 * config/c4x/c4x-c.c (BAD): Likewise.
8370 (c4x_parse_pragma): Likewise.
8371 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
8372 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
8373 (rs6000_pragma_longcall): Likewise.
8374 * config/v850/v850-c.c (pop_data_area): Likewise.
8375 (ghs_pragma_section): Likewise.
8376 (ghs_pragma_section): Likewise.
8377 (ghs_pragma_interrupt): Likewise.
8378 (ghs_pragma_starttda): Likewise.
8379 (ghs_pragma_startsda): Likewise.
8380 (ghs_pragma_startzda): Likewise.
8381 (ghs_pragma_endtda): Likewise.
8382 (ghs_pragma_endsda): Likewise.
8383 (ghs_pragma_endzda): Likewise.
8385 2005-07-19 Danny Berlin <dberlin@dberlin.org>
8386 Kenneth Zadeck <zadeck@naturalbridge.com>
8388 * Makefile.in: Removed tree-promote-statics.c
8389 * tree-promote-statics.c: Removed.
8390 * common.opt: Removed flag-promote-statics.
8392 * passes.c: Removed tree-promote-statics pass.
8393 * tree-pass.h: Ditto.
8394 * timevar.def: Removed TV_PROMOTE_STATICS.
8397 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
8399 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
8401 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
8403 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8406 * c-common.c (check_function_arguments): Call
8407 'check_function_format' if either -Wformat or
8408 -Wmissing-format-attribute are specified.
8409 * c-format.c (check_function_format): Check -Wformat before
8410 calling 'check_format_info'.
8411 * c-opts.c (c_common_post_options): Don't warn for
8412 -Wmissing-format-attribute without -Wformat.
8413 * c-typeck.c (convert_for_assignment): Detect additional cases for
8414 -Wmissing-format-attribute.
8415 * doc/invoke.texi (-Wmissing-format-attribute): Document new
8418 2005-07-19 Richard Guenther <rguenther@suse.de>
8420 * config/i386/i386.md (lrint<mode>2): Use temporary
8421 instead of clobbering non-existent memory.
8423 2005-07-19 Nick Clifton <nickc@redhat.com>
8425 * config/avr/avr.c (legitimate_address_p): Fix debugging print
8426 statement to avoid displaying ASCII control characters.
8428 2005-07-19 Ben Elliston <bje@au.ibm.com>
8430 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
8431 * cfganal.c (find_edge_index): Ditto.
8432 * combine.c (combine_instructions): Ditto.
8433 * ddg.c (create_scc): Ditto.
8434 (find_successors): Ditto.
8435 (find_predecessors): Ditto.
8436 (find_nodes_on_paths): Ditto.
8437 (longest_simple_path): Ditto.
8438 * flow.c (update_life_info): Ditto.
8439 (count_or_remove_death_notes): Ditto.
8440 (clear_log_links): Ditto.
8441 * modulo-sched.c (generate_reg_moves): Ditto.
8442 (find_max_asap): Ditto.
8443 (find_max_hv_min_mob): Ditto.
8444 (find_max_dv_min_mob): Ditto.
8445 * sbitmap.c (sbitmap_first_set_bit): Ditto.
8446 * sched-rgn.c (extract_edgelst): Ditto.
8447 * tree-into-ssa.c (prepare_names_to_update): Ditto.
8448 (dump_update_ssa): Ditto.
8449 (ssa_names_to_replace) Ditto.
8450 (switch_virtuals_to_full_rewrite): Ditto.
8451 (update_ssa): Ditto.
8452 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
8454 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
8456 Fix PR tree-optimization/22483
8458 * tree-complex.c (create_components): Use
8459 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
8460 * tree-flow-inline.h (fill_referenced_var_vec): New function.
8461 * tree-flow.h (safe_referenced_var_iterator): New structure.
8462 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
8463 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
8464 safe_referenced_var iterator.
8465 (add_type_alias): Ditto.
8467 2005-07-19 Steven Bosscher <stevenb@suse.de>
8469 * loop-init.c (rest_of_handle_loop2): Remove.
8470 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
8471 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
8472 (pass_rtl_loop_init, pass_rtl_loop_done,
8473 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
8474 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
8475 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
8476 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
8477 pass_tree_loop_done, and pass_tree_unswitch.
8478 (gate_loop): Rename to gate_tree_loop.
8479 * passes.c (init_optimization_passes): Update for renamed tree
8480 loop passes. Add the new loop2 passes as subpasses of loop2.
8481 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
8482 Update for the renamed tree loop passes.
8484 2005-07-18 Ian Lance Taylor <ian@airs.com>
8487 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
8488 blocks when optimizing.
8490 2005-07-18 Steve Ellcey <sje@cup.hp.com>
8492 * common.opt (frename-registers): Initialize to 2.
8494 (fgcse-after-reload): Ditto.
8495 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
8496 (process_options): Only change flag_web, flag_rename_registers,
8497 and flag_rerun_cse_after_loop if not explicitly set by user.
8499 2005-07-18 Jan Beulich <jbeulich@novell.com>
8501 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
8502 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
8503 in 64-bit mode the same as DImode in 32-bit mode.
8504 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
8505 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
8506 mode. Add new mode parameter.
8507 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
8508 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
8509 x86_64_shift_adj): New expanders.
8510 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
8511 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
8513 Respective new splitters. Use renamed shift splitter helpers in 32-bit
8514 DImode shift splitters.
8515 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
8516 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
8519 2005-07-18 Jan Beulich <jbeulich@novell.com>
8521 * i386.md (movdi_extzv_1): New.
8522 (zero_extendhidi2): Combine alternatives and never force use of
8524 (zero_extendqidi2): Likewise. Don't restrict input selection.
8526 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8528 Fix PR tree-optimization/22531
8529 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
8532 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8534 * tree-promote-statics.c (pass_promote_statics): Change dump file
8537 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8539 * tree-optimize.c (init_tree_optimization_passes): Add
8540 pass_eliminate_useless_stores pass.
8541 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
8542 * tree-ssa-pre.c (is_copy_stmt): New function.
8543 (follow_copies_till_vuse): Ditto.
8544 (do_eustores): Ditto.
8545 (gate_eustores): Ditto.
8547 2005-07-16 Richard Henderson <rth@redhat.com>
8549 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
8551 2005-07-16 Danny Berlin <dberlin@dberlin.org>
8552 Kenneth Zadeck <zadeck@naturalbridge.com>
8554 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
8555 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
8556 ipa-type-escape.h, tree-promote-statics.c
8557 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
8558 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
8559 tree-promote-statics.c: new files.
8560 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
8561 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
8562 int nonlocal_set_p, mark_constant_function): Deleted.
8563 (rest_of_handle_cfg): Removed call to mark_constant_function.
8564 (nonoverlapping_component_refs_p): Added calls to support
8565 type based aliasing.
8566 * tree-ssa-alias.c (may_alias_p,
8567 compute_flow_insensitive_aliasing): Ditto.
8568 * calls.c (flags_from_decl_or_type): Removed reference to
8570 * c-typeck.c (convert_arguments): Make builtins tolerant of having
8571 too many arguments. This is necessary for Spec 2000.
8572 * cgraph.h (const_function, pure_function): Removed.
8573 * common.opt: Added "fipa-pure-const", "fipa-reference",
8574 "fipa-type-escape", and "ftree-promote-static".
8576 * passes.c: Added ipa and tree-promote-statics passes.
8577 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
8578 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
8579 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
8580 * tree-flow.h: Added exposed sra calls and addition of
8581 reference_vars_info field for FUNCTION_DECLS.
8582 * tree-pass.h: Added passes.
8583 * tree-sra.c: (sra_init_cache): New function.
8584 (sra_insert_before, sra_insert_after) Made public.
8585 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
8587 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
8588 aliasing. (may_alias_p): Added code to use type escape analysis to
8590 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
8591 code to prune clobbers of static variables based on information
8592 produced in ipa-reference pass. Changed call clobbering so that
8593 statics are not marked as clobbered if the call does not clobber
8596 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
8598 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
8601 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8603 * doc/install.texi (*-*-solaris2*): Document recommended version
8604 of GNU binutils and mention GNU linker problem on Solaris 10.
8606 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
8609 * c-decl.c (c_build_bitfield_integer_type): New function.
8610 (finish_struct): Call it.
8611 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
8613 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8615 * c-typeck.c (digest_init): Call 'convert_for_assignment'
8618 2005-07-16 Jan Hubicka <jh@suse.cz>
8620 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
8621 (scale_bbs_frequencies_int): Watch roundoff errors.
8622 * predict.c (return_prediction): Initialize return_stmt.
8624 2005-07-16 Jan Hubicka <jh@suse.cz>
8626 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
8627 after RTL profiling.
8629 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
8632 * fold-const.c (build_range_check): Convert high/low to etype
8633 if we are only comparing against exp.
8635 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
8637 Fix PR tree-optimization/22376
8638 * tree-ssa-structalias.c (build_constraint_graph): We really meant
8640 (need_to_solve): New function.
8641 (compute_points_to_sets): Use it.
8643 2005-07-15 Jan Hubicka <jh@suse.cz>
8645 * cfg.c (update_bb_profile_for_threading): More diagnostic.
8646 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
8648 2005-07-15 Richard Guenther <rguenther@suse.de>
8650 * c-common.c (handle_flatten_attribute): New function.
8651 Add flatten function attribute.
8652 * doc/extend.texi: Document flatten function attribute.
8653 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
8654 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8656 (cgraph_decide_inlining): Handle functions with flatten
8659 2005-07-14 David Edelsohn <edelsohn@gnu.org>
8661 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
8662 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
8663 UNSPEC_XCHG, UNSPEC_AND): New.
8664 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
8665 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
8666 * config/rs6000/sync.md (FETCHOP): New code macro.
8667 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
8669 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
8670 (sync_compare_and_swap<mode>): Same.
8671 (sync_lock_test_and_set<mode>): Same.
8672 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
8673 for QImode and HImode, and not PPC405.
8674 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
8675 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
8676 (sync_<fetchop>{si,di}_internal): New.
8677 (sync_nand{si,di}_internal): New.
8678 (sync_old_<fetchop>{si,di}_internal): New.
8679 (sync_old_nand{si,di}_internal): New
8680 (sync_new_<fetchop>{si,di}_internal): New.
8681 (sync_new_nand{si,di}_internal): New.
8682 (atomic_and{si,di}): New.
8683 (sync_new_nand{si,di}_internal): New.
8684 (atomic_and{si,di}): New.
8685 (sync_add<mode>_internal): Delete.
8686 (sync_addshort_internal): Use unspec instead of unspec_volatile.
8687 (sync_sub<mode>_internal): Delte.
8688 (sync_subshort_internal): New.
8689 (sync_andsi_internal): Use unspec instead of unspec_volatile.
8690 (sync_anddi_internal): Delete.
8691 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
8692 (sync_booldi_internal): Delete.
8693 (sync_boolc<mode>_internal): Delete.
8694 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
8695 (sync_boolc<mode>_internal2): Delete.
8696 (sync_boolcc<mode>_internal): Delete.
8697 (isync, lwsync): Use unspec instead of unspec_volatile.
8698 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
8699 Revert UNSPEC_VOLATILE.
8700 (rs6000_split_atomic_op): New.
8701 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
8703 2005-07-14 Eric Christopher <echristo@redhat.com>
8705 * config/mips/mips.c (mips_canonicalize_comparison): Cast
8706 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
8708 2005-07-14 Eric Christopher <echristo@redhat.com>
8710 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
8712 2005-07-14 Steven Bosscher <stevenb@suse.de>
8714 PR tree-optimization/22230
8715 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
8716 the computation of the four cross productions for "range op range".
8718 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
8719 Ulrich Weigand <uweigand@de.ibm.com>
8722 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
8725 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8727 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
8729 2005-07-14 Steve Ellcey <sje@cup.hp.com>
8731 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
8733 2005-07-14 Richard Guenther <rguenther@suse.de>
8736 * config/i386/i386-protos.h (ix86_function_value): Change
8737 prototype to match new target hook.
8738 * config/i386/i386.c (ix86_value_regno): Change prototype
8739 to take extra type argument.
8740 (TARGET_FUNCTION_VALUE): Define.
8741 (ix86_function_ok_for_sibcall): Pass extra argument to
8742 ix86_value_regno, check return slot rtx for exact match.
8743 (ix86_function_value): Take extra parameter. Dispatch to
8744 ix86_value_regno with fndecl/fntype as provided.
8745 (ix86_value_regno): Handle extra type argument.
8746 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
8748 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
8749 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
8750 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
8751 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
8752 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
8754 2005-07-14 Richard Guenther <rguenther@suse.de>
8756 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
8757 * calls.c (expand_call): Pass fntype to hard_function_value.
8758 (emit_library_call_value_1): Likewise.
8759 * explow.c: Include target.h.
8760 (hard_function_value): Take extra argument, the fntype.
8761 Use new target hook for function_value.
8762 * expr.h (hard_function_value): Change prototype.
8763 * function.c (aggregate_value_p): Pass 0 as fntype to
8764 hard_function_value.
8765 (assign_parms): Use new target hook for function_value.
8766 Pass 0 as fntype to hard_function_value.
8767 (expand_function_end): Likewise.
8768 * reg-stack.c: Include target.h.
8769 (stack_result): Use new target hook for function_value.
8770 * target-def.h: New target hook function_value.
8771 * target.h: Likewise.
8772 * targhooks.c (default_function_value): New function.
8773 * targhooks.h (default_function_value): Declare.
8775 2005-07-13 Ian Lance Taylor <ian@airs.com>
8777 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
8779 2005-07-14 Jan Hubicka <jh@suse.cz>
8781 * tree-dfa.c (dump_variable): Use default_def function.
8782 * tree-ssa-alias.c (dump_points_to_info): Likewise.
8783 * tree-ssa.c (verify_use): Likewise.
8784 * tree-ssanames.c (release_ssa_name): Likewise.
8785 * tree-tailcall.c (eliminate_tail_call): Likewise.
8786 (tree_optimize_tail_calls_1): Likewise.
8787 * tree-vrp.c (get_value_range): Likewise.
8789 2005-07-14 Ben Elliston <bje@au.ibm.com>
8791 * gcc.c (main): Compare language[0] with '*' when iterating over
8794 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8796 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
8797 "s390_emit_compare". Add handling of CCZ1mode.
8798 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
8799 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
8801 (s390_branch_condition_mask): Add CCZ1mode handling.
8802 * config/s390/s390.md: ("seq", "*seq"): New pattern.
8803 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
8804 Use CCZ1mode instead of CCZmode.
8805 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
8807 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8809 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
8811 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
8813 2005-07-13 Eric Christopher <echristo@redhat.com>
8815 * config/mips/mips.c (mips_canonicalize_comparison): New.
8816 (mips_emit_int_relational): Use.
8818 2005-07-13 Eric Christopher <echristo@redhat.com>
8820 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8822 * config/s390/s390.md: Include tpf.md. Move tpf specific
8824 * config/s390/tpf.md: To here.
8825 * config/s390/s390.opt: Move tpf specific options...
8826 * config/s390/tpf.opt: to here. Add mmain option.
8827 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8828 * config/s390/tpf.h: Rewrite.
8830 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8832 * doc/tm.texi: Remove @xref{Cross-profiling}.
8834 2005-07-13 Jeff Law <law@redhat.com>
8836 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
8837 expressions, test their _DECL operands for pointer equality rather
8838 than using operand_equal_p.
8840 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8842 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
8843 (TARGET_POSIX_IO): This.
8844 * config/darwin.h: Likewise.
8845 * config/freebsd.h: Likewise.
8846 * config/linux.h: Likewise.
8847 * config/lynx.h: Likewise.
8848 * config/netbsd.h: Likewise.
8849 * config/rs6000/linux64.h: Likewise.
8850 * config/rs6000/linux.h: Likewise.
8851 * config/s390/tpf.h: Likewise.
8852 * config/sh/embed-elf.h: Likewise.
8853 * config/sparc/linux64.h: Likewise.
8854 * config/sparc/linux.h: Likewise.
8855 * config/svr4.h: Likewise.
8856 * gcov-io.h: Likewise.
8858 * doc/tm.texi: Updated.
8860 * libgcov.c (create_file_directory): Defined only if
8861 TARGET_POSIX_IO is defined.
8862 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
8865 2005-07-13 Jan Hubicka <jh@suse.cz>
8867 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
8869 2005-07-13 David Edelsohn <edelsohn@gnu.org>
8871 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
8872 structure as argument.
8874 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
8876 PR tree-optimization/21921
8877 * tree-iterator.c (tsi_link_before): Support the case when
8878 tsi_end_p (tsi) == true.
8880 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8882 PR tree-optimization/22442
8883 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
8886 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8888 PR rtl-optimization/20376
8889 * toplev.c (process_options): Enable -fweb and -frename-registers when
8891 * doc/invoke.texi: Update the information about when -fweb and
8892 -frename-registers are enabled.
8894 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8897 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
8898 if *rhs_p is not a SSA_NAME.
8900 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
8902 Fix PR tree-optimization/22422
8903 * tree-ssa-structalias.c (struct variable_info): Add flag for
8905 (get_varinfo): Now a static function.
8906 (new_varinfo): init has_union and is_special_var to false.
8907 (solution_set_add): Check has_union.
8908 (do_da_constraint): Move temporary variable so it gets reset
8910 Also check for special variable.
8911 (do_ds_constraint): Ditto.
8912 (do_sd_constraint): Ditto.
8913 (do_structure_copy): Check for special variable.
8914 (find_func_aliases): Ditto.
8915 (init_base_vars): Set special vars properly.
8917 2005-07-13 Jan Hubicka <jh@suse.cz>
8919 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
8922 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
8923 (get_expr_operands): Fix thinko wrt flags and subvars.
8925 PR tree-optimize/22379
8926 * tree-inline.c (expand_call_inline): Do not output sorry in early
8929 2005-07-12 Dale Johannesen <dalej@apple.com>
8931 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
8933 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8936 * host-linux.h: Include limits.h.
8938 2005-07-12 Dale Johannesen <dalej@apple.com>
8940 * expr.c (compress_float_constant): Add cost check.
8941 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
8943 2005-07-12 Dale Johannesen <dalej@apple.com>
8945 * gcc.target/i386/compress-float-sse.c: New.
8946 * gcc.target/i386/compress-float-sse-pic.c: New.
8947 * gcc.target/i386/compress-float-387.c: New.
8948 * gcc.target/i386/compress-float-387-pic.c: New.
8949 * gcc.dg/compress-float-ppc.c: New.
8950 * gcc.dg/compress-float-ppc-pic.c: New.
8952 2005-07-12 Eric Christopher <echristo@redhat.com>
8954 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8956 * config/s390/s390.md: Include tpf.md. Move tpf specific
8958 * config/s390/tpf.md: To here.
8959 * config/s390/s390.opt: Move tpf specific options...
8960 * config/s390/tpf.opt: to here. Add mmain option.
8961 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8962 * config/s390/tpf.h: Rewrite.
8964 2005-07-12 Eric Christopher <echristo@redhat.com>
8966 * gcc.c (struct infile): Update comment for language.
8967 (main): Rewrite input file resetting code.
8969 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8972 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
8973 requiring a cast in a non RHS of modify_expr. Add a cast when required.
8974 (lookup_avail_expr): Use constant_boolean_node instead
8975 of boolean_false_node/boolean_true_node.
8977 2005-07-12 Ben Elliston <bje@au.ibm.com>
8979 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
8980 and use it when printing num_edges.
8982 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
8984 * doc/extend.texi (Blackfin Built-in Functions): New section.
8985 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
8988 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
8990 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
8991 s/cmpstrsi/cmpstrnsi
8992 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
8994 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
8995 (init_optabs): Initialize cmpstrn_optab.
8996 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
8997 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
8998 * expr.c: (enum insn_code cmpstrn_optab): Declare.
8999 * config/i386/i386.md: s/cmpstr/cmpstrn
9000 * config/c4x/c4x.md: s/cmpstr/cmpstrn
9001 * doc/md.texi: Update documentation.
9003 2005-07-11 Richard Henderson <rth@redhat.com>
9005 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
9006 build_va_arg_indirect_ref.
9007 (alpha_gimplify_va_arg): Likewise.
9008 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
9009 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
9010 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
9011 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
9012 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
9013 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
9015 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
9017 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
9019 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
9020 * passes.c (init_optimization_passes): Add pass_empty_loop.
9021 * tree-pass.h (pass_empty_loop): Declare.
9022 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
9023 try_remove_empty_loop, remove_empty_loops): New functions.
9024 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
9025 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
9027 2005-07-12 Peter Barada <peter@the-baradas.com>
9031 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
9032 in address registers.
9033 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
9034 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
9035 alternative of addsi3_5200.
9037 2005-07-11 Ian Lance Taylor <ian@airs.com>
9039 * config/mips/mips.md (ffs<mode>2): Remove.
9041 2005-07-11 Ian Lance Taylor <ian@airs.com>
9043 * doc/tree-ssa.texi (Cleanups): Improve description of
9045 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
9047 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
9049 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
9050 * tree.h (DECL_ARGUMENT_FLD): New macro.
9052 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
9054 Fix PR tree-optimization/22404
9056 * tree-ssa-structalias.c (create_variable_info_for): Use
9059 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
9061 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
9062 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
9063 for second comparison operand.
9064 * config/bfin/predicates.md (reg_or_const_int_operand): New.
9066 * config/bfin/bfin.md (define_attr "type"): Add "sync".
9067 (define_insn_reservation "alu"): Likewise.
9068 (csync, ssync): Now of type sync.
9069 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
9070 -mcsync-anomaly -mspecld-anomaly.
9071 * config/bfin/bfin.opt (mcsync): Remove.
9072 (mcsync-anomaly, mspecld-anomaly): Add.
9073 * config/bfin/bfin.c: Include "insn-codes.h".
9074 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
9075 (TARGET_DEFAULT_TARGET_FLAGS): New.
9076 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
9078 2005-07-11 Steven Bosscher <stevenb@suse.de>
9080 * basic-block.h: Give the BB flags enum a name, bb_flags.
9081 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
9082 * cfgcleanup.c (enum bb_flags): Remove here.
9083 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
9084 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
9085 (update_forwarder_flag): Likewise.
9086 (thread_jump): Likewise.
9087 (try_forward_edges): Likewise.
9088 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
9089 forwarder flags. Don't clear bb->aux for all basic blocks. Only
9090 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
9092 2005-07-11 Richard Guenther <rguenther@suse.de>
9094 * config/i386/i386.opt: New target option -msseregparm.
9095 * config/i386/i386.c (override_options): Error out for
9096 -msseregparm but no SSE support.
9097 (ix86_function_sseregparm): Check for global sseregparm.
9098 * doc/invoke.texi: Document -msseregparm.
9100 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9102 * config.gcc (m32r-*-linux*): Use the default extra_parts.
9103 (m32rle-*-linux*): Ditto.
9105 2005-07-11 Jakub Jelinek <jakub@redhat.com>
9107 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
9108 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
9111 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9115 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
9116 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
9118 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
9120 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
9121 (varmap): Heapify varmap.
9122 (constraints): Heapify constraints.
9123 (struct constraint_graph): Heapify succs and preds.
9124 (constraint_vec_find): Update for heapification.
9125 (constraint_set_union): Ditto.
9126 (insert_into_complex): Ditto.
9127 (constraint_edge_vec_find): Ditto.
9128 (erase_graph_self_edge): Ditto.
9129 (add_graph_edge): Ditto.
9130 (get_graph_weights): Ditto.
9131 (merge_graph_nodes): Ditto.
9132 (build_constraint_graph): Ditto.
9133 (topo_visit): Ditto.
9134 (solve_graph): Ditto.
9135 (create_variable_info_for): Ditto.
9136 (init_base_vars): Ditto.
9137 (delete_points_to_sets): Free graph, varmap, and complex constraints.
9138 (condese_varmap_nodes): Free complex vector.
9139 (clear_edges_for_node): Clear succs and preds vector.
9141 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
9143 * tree-ssa-structalias.c (update_alias_info): Change counting of
9144 references to not include vdefs.
9146 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
9148 * tree-ssa-alias.c (free_used_part_map): Add missing free.
9151 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9153 * pa.c (pa_commutative_p): Make PLUS commutative when
9154 TARGET_NO_SPACE_REGS is true.
9156 2005-07-09 Diego Novillo <dnovillo@redhat.com>
9158 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
9159 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
9160 * tree-dfa.c (dump_subvars_for): New.
9161 (debug_subvars_for): New.
9162 (dump_variable): Show subvariables if VAR has them.
9163 * tree-flow-inline.h (get_subvar_at): New.
9164 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
9165 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
9167 (struct subvar): Change fields offset and size to unsigned
9169 (dump_subvars_for): Declare.
9170 (debug_subvars_for): Declare.
9171 (get_subvar_at): Declare.
9172 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
9173 to unsigned HOST_WIDE_INT *.
9174 (overlap_subvar): Likewise.
9175 * tree-gimple.c (is_gimple_reg): Always return false for
9176 SFTs and memory tags.
9177 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
9179 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
9180 (compute_may_aliases): Call compute_points_to_sets.
9181 (collect_points_to_info_for): Remove.
9182 (compute_points_to_and_addr_escape): Remove.
9183 (delete_alias_info): Call delete_points_to_sets.
9184 (compute_flow_sensitive_aliasing): If the call to
9185 find_what_p_points_to returns false, call set_pt_anything.
9186 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
9187 (set_pt_anything): Clear pi->pt_vars.
9188 (set_pt_malloc): Remove.
9189 (merge_pointed_to_info): Remove.
9190 (add_pointed_to_expr): Remove.
9191 (add_pointed_to_var): Remove.
9192 (collect_points_to_info_r): Remove.
9193 (is_escape_site): Make extern.
9195 (create_overlap_variables_for): Call it.
9196 * tree-ssa-copy.c (merge_alias_info): Never merge
9197 flow-sensitive alias information.
9198 * tree-ssa-operands.c (get_expr_operands): Adjust variables
9199 offset and size to be unsigned HOST_WIDE_INT.
9200 (add_to_addressable_set): Rename from note_addressable.
9201 Set TREE_ADDRESSABLE as the variables are added to the set.
9203 (add_stmt_operand): Do not try to micro-optimize unmodifiable
9204 operands into VUSEs when adding V_MAY_DEFs for members in an
9206 * tree-ssa-operands.h (add_to_addressable_set): Declare.
9207 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
9208 (struct variable_info): Add bitfield is_heap_var.
9209 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
9210 (new_var_info): Initialize is_heap_var.
9211 (get_constraint_for): Add HEAP variables to the symbol table.
9212 Mark them with is_heap_var.
9213 (update_alias_info): New. Taken mostly from the old
9214 compute_points_to_and_addr_escape.
9215 (handle_ptr_arith): New.
9216 (find_func_aliases): Call update_alias_info.
9217 Call handle_ptr_info for tcc_binary expressions.
9218 Call mark_stmt_modified.
9219 (create_variable_info_for): If DECL has subvars, do not create
9220 variables for its subvars. Always add all the fields.
9221 (set_uids_in_ptset): If the solution includes ANYOFFSET and
9222 SFTs, then add all the SFTs of the structure.
9223 If VI->DECL is an aggregate with subvariables, add the SFT at
9225 (find_what_p_points_to): If VI is an artificial variable,
9226 translate to bitfields in SSA_NAME_PTR_INFO.
9227 If the solution is empty, set pi->pt_vars to NULL
9228 (init_base_vars): Create ANYOFFSET.
9229 (compute_points_to_sets): Rename from create_alias_vars.
9231 (pass_build_pta): Remove.
9232 (delete_points_to_sets): Rename from delete_alias_vars.
9233 (pass_del_pta): Remove.
9234 * tree-ssa-structalias.h (struct alias_info): Move from
9236 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
9237 NUM_REFERENCES_SET): Likewise.
9238 (compute_points_to_sets, delete_points_to_sets): Declare.
9240 2005-07-09 Richard Henderson <rth@redhat.com>
9242 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
9243 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
9244 alpha_split_lock_test_and_set_12): New functions.
9245 * config/alpha/alpha-protos.h: Update.
9246 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
9247 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
9248 * config/alpha/sync.md (I12MODE): New.
9249 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
9250 (sync_<fetchop_name><I48MODE>): Likewise.
9251 (sync_nand<I48MODE>): Likewise.
9252 (sync_old_<fetchop_name><I48MODE>): Likewise.
9253 (sync_new_<fetchop_name><I48MODE>): Likewise.
9254 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
9255 (sync_compare_and_swap<I48MODE>): Likewise.
9256 (sync_lock_test_and_set<I48MODE>): Likewise.
9257 (sync_compare_and_swap<I12MODE>): New.
9258 (sync_compare_and_swap<I12MODE>_1): New.
9259 (sync_lock_test_and_set<I12MODE>): New.
9260 (sync_lock_test_and_set<I12MODE>_1): New.
9262 2005-07-09 Diego Novillo <dnovillo@redhat.com>
9266 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
9268 2005-07-09 Jakub Jelinek <jakub@redhat.com>
9270 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
9271 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
9273 2005-07-09 Richard SAndiford <richard@codesourcery.com>
9276 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
9278 2005-07-08 David Edelsohn <edelsohn@gnu.org>
9280 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
9281 memory_operand constraint.
9282 (store_conditional_<mode>): Same.
9283 (sync_compare_and_swap<mode>): Same.
9284 (sync_lock_test_and_set<mode>): Same.
9286 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
9288 Rewrite PIC support to more closely model actual instructions.
9289 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
9290 (cris_symbol): Remove prototypes for removed functions.
9291 (cris_pic_symbol_type_of, cris_valid_pic_const)
9292 (cris_expand_pic_call_address): Prototypes for new functions.
9293 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
9295 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
9297 <case ':'>: Add case for new punctuation character.
9298 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
9299 emitting (extra) PIC modifier.
9300 <case UNSPEC>: Do not assert for PLT.
9301 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
9302 (cris_expand_prologue, cris_expand_epilogue): Check
9303 for pic_offset_table_rtx usage instead of taking
9304 current_function_uses_pic_offset_table as the final word.
9305 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
9306 Remove flag_pic difference.
9307 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
9308 the moral equivalents of...
9309 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
9311 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
9312 (cris_handle_option): Mark ARG as unused.
9313 (cris_expand_pic_call_address): New worker function for "call",
9315 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
9316 output PIC constructs here.
9317 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
9318 as symbol-specific modifers, not whole or part of operands.
9319 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
9320 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
9321 constants and flag_pic.
9322 (CONSTANT_INDEX_P): Adjust for new functions.
9323 (enum cris_pic_symbol_type): New helper type.
9324 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
9325 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
9326 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
9328 ("movsi"): Emit actual instructions for GOT and relative access.
9329 ("*movsi_got_load"): New pattern to set up the register holding
9331 ("*movsi_internal"): Operand 1 is not a plain general_operand.
9332 Adjust FIXME for 'S'.
9333 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
9334 Use "movs" for -fpic cases.
9335 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
9336 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
9337 ("call", "call_value"): Just call cris_expand_pic_call_address for
9339 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
9340 Remove special pattern.
9341 ("*expanded_call_side", "*expanded_call_value_side"): New
9343 (gotplt-to-plt, gotplt-to-plt-side-call)
9344 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
9346 * config/cris/cris/predicates.md
9347 ("cris_general_operand_or_gotless_symbol"): Remove unused
9349 ("cris_general_operand_or_symbol"): Adjust for new functions.
9351 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9353 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
9355 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
9357 * Makefile.in (TREE_H): Add treestruct.def.
9358 (c-decl.o): Add pointer-set.h
9359 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
9360 visibility on regular DECL's.
9361 (merge_decls): Fix the copying of decl nodes of various types for
9362 the new structures. Don't update RTL, section name, weak status,
9363 etc, on DECL's without RTL.
9364 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
9365 Don't check volatile on non-variable types.
9366 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
9367 to check whether we have seen arguments.
9368 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
9369 flag is checked before field (flag is common, field is not).
9370 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
9371 TS_DECL_COMMON could have an origin.
9372 (add_location_or_const_value_attribute): Don't check section name
9373 on non-var/function decls.
9374 (dwarf2out_var_location): Reverse order of tests.
9375 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
9376 with DECL_WRTL_CHECK.
9377 * expmed.c (make_tree): rtl is now in decl_with_rtl.
9378 * fold-const.c (fold_binary): Don't check weakness on
9379 non-var/function decls.
9380 (tree_expr_nonzero_p): Ditto.
9381 (fold_checksum_tree): Use tree_decl_extra as sizeof
9383 * ggc-page.c (extra_order_size_table): Add sizes for
9384 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
9386 * gimplify.c (gimplify_bind_expr): Only set
9387 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
9388 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
9390 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
9391 * langhooks.h (init_ts). New langhook.
9392 * passes.c (rest_of_decl_compilation): Reverse order of tests.
9393 * print-tree.c (print_node): Update to only print fields that
9394 exist in the structures the passed decl has.
9395 * toplev.c (wrapup_global_declarations): Don't reset
9396 DECL_DEFER_OUTPUT on DECL's that don't contain it.
9397 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
9398 * tree-inline.c (remap_decl): Ditto.
9399 * tree-outof-ssa.c (create_temp): Reverse order of tests.
9400 * tree-pretty-print.c (print_declaration): Don't print
9401 DECL_REGISTER on things that don't contain it.
9402 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
9403 non-var/function decls.
9404 * tree.c (tree_contains_struct): New structure.
9405 (init_priority_for_decl): New hashtable.
9406 (tree_int_map): New structure.
9407 (tree_int_map_eq): New function.
9408 (tree_int_map_marked_p): Ditto.
9409 (tree_int_map_hash): Ditto.
9410 (tree_map): Move to tree.h.
9411 (tree_map_eq): Externalize.
9412 (tree_map_hash): Ditto.
9413 (tree_map_marked_p): Ditto.
9414 (init_ttree): Set up tree_contains_struct and call langhook.
9415 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
9416 (tree_code_size): Update for new structures.
9417 (tree_node_structure): Update for new structures.
9418 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
9420 (copy_node_stat): Copy init priority.
9421 (build_decl_stat): Ditto for visibility.
9422 (ts_enum_names): New.
9423 (tree_contains_struct_check_failed): New function.
9424 (decl_init_priority_lookup): Ditto.
9425 (decl_init_priority_insert): Ditto.
9426 * treestruct.def: New file.
9427 * tree.h (CODE_CONTAINS_STRUCT): New macro.
9428 (CONTAINS_STRUCT_CHECK): Ditto.
9429 (tree_contains_struct_check_failed): New prototype.
9430 (DECL_CHECK): Removed.
9431 (DECL_MINIMAL_CHECK): New.
9432 (DECL_COMMON_CHECK): Ditto.
9433 (DECL_WRTL_CHECK): Ditto.
9434 (DECL_NON_COMMON_CHECK): Ditto.
9435 (DECL_WITH_VIS_CHECK): Ditto.
9436 (VAR_OR_FUNCTION_DECL_P): Ditto
9437 (struct tree_decl_minimal): New structure.
9438 (struct tree_decl_common): Ditto.
9439 (struct tree_decl_with_rtl): Ditto.
9440 (struct tree_decl_with_vis): Ditto.
9441 (struct tree_decl_non_common): Ditto.
9442 (struct tree_field_decl): Ditto.
9443 (struct tree_parm_decl): Ditto.
9444 (struct tree_var_decl): Ditto.
9445 (struct tree_function_decl): Ditto.
9446 (struct tree_const_decl): Ditto.
9447 (struct tree_result_decl): Ditto.
9448 (union tree_node): Add new structures.
9449 * var-tracking.c (track_expr_p): Reverse order of tests.
9451 * doc/c-tree.texi: Add documentation on DECL node internal structure.
9453 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
9455 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
9456 * system.h: Poison FINALIZE_PIC.
9457 * doc/tm.texi (FINALIZE_PIC): Remove.
9459 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9462 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
9463 to the correct type if we have a MODIFY_EXPR.
9465 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
9467 PR tree-optimization/22360
9468 * tree.c (upper_bound_in_type): Fix calculations for casting
9469 to a non-wider signed type and casting a signed value to a
9470 wider unsigned type.
9471 (lower_bound_in_type): Fix calculations for casting to a
9472 non-wider signed type.
9474 PR tree-optimization/20139
9475 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
9477 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
9478 fold_cond_expr_cond.
9479 * tree-ssanames.c (release_defs): Assert in_ssa_p.
9480 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
9482 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9485 * tree-complex.c (expand_complex_libcall): Produce
9486 REALPART_EXPR/IMAGPART_EXPR with the correct type.
9488 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
9490 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
9491 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
9492 b" assert and inserted fastpath code for this case.
9493 (bitmap_ior): Removed "a != b" assert.
9495 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9497 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
9498 (ENDFILE_SPEC): Likewise.
9499 * config/m32r/m32r.h (ASM_SPEC): Likewise.
9501 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
9502 a large stack frame at epilogue.
9504 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
9506 * final.c: Include sdbout.h when required.
9508 2005-07-07 Geoffrey Keating <geoffk@apple.com>
9510 * config.gcc (*-*-darwin*): Only one target-specific header file
9512 (powerpc-*-darwin*): Add version-specific header files.
9513 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
9514 * config.in: Regenerate.
9515 * configure: Regenerate.
9516 * gcc.c: Include xregex.h.
9517 (version_compare_spec_function): New.
9518 (spec_function): Add version-compare.
9519 (replace_outfile_spec_function): Reformat comment.
9520 (compare_version_strings): New.
9521 * config/darwin-c.c (version_as_macro): New.
9522 (builtin_define): New.
9523 (darwin_cpp_builtins): New.
9524 * config/darwin-protos.h (darwin_cpp_builtins): New.
9525 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
9526 (LIB_SPEC): Make unconditional, update comment.
9527 (TARGET_C99_FUNCTIONS): Define.
9528 * config/darwin.opt: Sort.
9529 (mmacosx-version-min=): New.
9530 * config/darwin7.h: Delete.
9531 * config/darwin8.h: Delete.
9532 * config/i386/darwin.h (): Call darwin_cpp_builtins.
9533 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
9534 (TARGET_C99_FUNCTIONS): Define.
9535 * config/rs6000/darwin7.h: New.
9536 * config/rs6000/darwin8.h: New.
9537 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
9538 (-mmacosx-version-min): Document.
9540 2005-07-07 Ian Lance Taylor <ian@airs.com>
9542 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
9544 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
9547 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
9549 2005-07-07 Khem Raj <kraj@mvista.com>
9551 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
9552 in bytes, not words.
9554 2005-07-07 Paul Brook <paul@codesourcery.com>
9556 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
9557 DEFAULT_FUNCTION_ARG_PADDING to upward.
9559 2005-07-07 Richard Henderson <rth@redhat.com>
9561 * function.c (locate_and_pad_parm): Record parameter alignment in
9562 stack_alignment_needed.
9564 2005-07-07 David Edelsohn <edelsohn@gnu.org>
9566 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
9567 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
9568 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
9569 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
9570 (define_attr "type"): Add isync, sync, load_l, store_c.
9571 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
9572 Create scratch volatile MEM.
9573 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
9575 (load_locked_<mode>): New.
9576 (store_conditional_<mode>): New.
9577 (sync_compare_and_swap<mode>): Replace with splitter.
9578 (sync_lock_test_and_set<mode>): Replace with splitter.
9579 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
9581 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
9582 is ics. Attribute isync.
9583 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
9585 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
9586 and UNSPECV_SYNC_OP.
9587 (emit_unlikely_jump): New.
9588 (emit_load_locked): New.
9589 (emit_store_conditional): New.
9590 (rs6000_split_compare_and_swap): New.
9591 (rs6000_split_lock_test_and_set): New.
9592 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
9593 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
9594 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
9595 rs6000_split_lock_test_and_set): Declare.
9596 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
9597 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
9598 store_c, isync, sync.
9600 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
9602 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
9603 filenames to gtyp-gen.h.
9604 (s-typ-gen): Use it in place of for loops.
9606 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
9608 * hooks.c (hook_bool_rtx_int_false): New function.
9609 * hooks.h (hook_bool_rtx_int_false): Declare.
9610 * target-def.h (TARGET_COMMUTATIVE_P): Define.
9611 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
9612 * target.h (struct gcc_target): Add commutative_p member.
9613 * targhooks.c (hook_bool_rtx_commutative_p): New function.
9614 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
9615 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
9616 (pa_commutative_p): New function.
9617 * jump.c (target.h): Include.
9618 (rtx_renumbered_equal_p): Use targetm.commutative_p.
9619 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
9621 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9623 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
9624 (s390_expand_setmem): New.
9625 * config/s390/s390.c: Likewise.
9626 (print_shift_count_operand): Truncate to 12 bits instead of 6.
9628 * config/s390/s390.md: ("setmem<mode>"): Accept character as
9629 general_operand. Call new function "s390_expand_setmem".
9630 ("clrmem_long", "*clrmem_long"): Rewrite to ...
9631 ("setmem_long", "*setmem_long"): ... this.
9633 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9635 * config/s390/s390.c: (optimization_options): Enable
9636 TARGET_MVCLE at -Os.
9637 * doc/invoke.texi: Document changes in default behaviour.
9638 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
9640 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9642 * expr.c: (set_storage_via_setmem): Convert opchar to mode
9643 defined by back-end.
9645 2005-07-07 Jakub Jelinek <jakub@redhat.com>
9647 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
9648 all sets in the pattern.
9649 * config/rs6000/rs6000.md (stack_protect_testsi,
9650 stack_protect_testdi): Likewise.
9652 2005-07-06 Jeff Law <law@redhat.com>
9654 * tree-vrp.c (simplify_using_ranges): Kill.
9655 (vrp_finalize): Remove call to simplify_using_ranges.
9656 (simplify_stmt_using_ranges): New function extracted from
9657 simplify_using_ranges.
9658 (simplify_div_or_mod_using_ranges): Likewise.
9659 (simplify_abs_using_ranges): Likewise.
9660 (simplify_cond_using_ranges): New function.
9661 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
9662 * tree-ssa-propagate.c (substitute_and_fold): Call
9663 simplify_stmt_using_ranges if we have range information.
9665 2005-07-06 James E. Wilson <wilson@specifixinc.com>
9667 * config/ia64/ia64.c (ia64_reorg): Check optimize before
9668 ia64_flag_schedule_isns2.
9670 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
9671 reading/writing general registers.
9672 (ia64_function_arg): Revert 2005-06-18 change.
9674 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
9676 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
9677 (legitimize_tls_address): Use gcc_unreachable instead of abort.
9679 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
9681 * function.c (expand_function_end): Revert part of 2005-06-27
9682 patch. Do sjlj_emit_function_exit_after after return_label.
9684 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9686 * doc/install.texi (--disable-libssp): New.
9688 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
9690 * doc/invoke.texi: Update -fforce-mem documentation.
9691 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
9692 code for -fforce-mem.
9693 * expmed.c: (store_bit_field,store_fixed_bit_field,
9694 extract_bit_field): Ditto.
9695 * expr.c: (convert_move): Ditto.
9696 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
9697 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
9698 emit_conditional_add,expand_float,expand_fix): Ditto.
9699 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
9700 (common_handle_option): Issue warning when -fforce-mem specified.
9702 2005-07-06 Paul Brook <paul@codesourcery.com>
9704 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
9706 * configure: Regenerate.
9708 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
9710 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
9712 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
9714 Fix PR tree-optimization/22319
9715 Fix PR tree-optimization/22140
9716 Fix PR tree-optimization/22310
9718 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
9719 variable sized types.
9720 Use correct type for intermediate structure on *a = *b structure
9723 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9725 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
9727 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
9728 (machine_function): Move typedef to...
9729 * config/rs6000/rs6000.c (machine_function): ... here. Add
9730 varargs_save_offset field.
9731 (rs6000_stack_t): Remove varargs_size field.
9732 (setup_incoming_varargs): Allocate varargs save area using
9733 assign_stack_local, try to make it as small as possible.
9734 Save offset from virtual_stack_vars_rtx to the save area
9735 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
9736 instead of magic 8 when fp word byte size is used.
9737 (rs6000_va_start): Use cfun->machine->varargs_save_offset
9738 instead of -RS6000_VARARGS_SIZE.
9739 (rs6000_stack_info, debug_stack_info,
9740 rs6000_initial_elimination_offset): Remove all traces of
9742 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
9743 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
9744 RS6000_VARARGS_AREA.
9746 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9748 PR tree-optimization/21963
9749 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
9750 constant_multiple_of in the same way get_computation_cost_at does.
9752 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9754 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
9755 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
9756 (gen_compare_reg): If sparc_compare_emitted is set, clear it
9757 and return its previous value.
9758 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
9759 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
9761 (stack_protect_set, stack_protect_test): New expanders.
9762 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
9763 stack_protect_testdi): New insns.
9764 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9765 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
9767 2005-07-06 Jeff Law <law@redhat.com>
9769 * tree-ssa-dce.c (cfg_altered): New global.
9770 (tree_dce_init): Initialize cfg_altered.
9771 (remove_dead_stmt): If we remove an edge in the CFG, then set
9773 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
9776 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9778 * Makefile.in (stamp-collect-ld): Use
9779 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
9780 ./collect-ld if it already exists.
9781 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
9782 Don't remove ./nm if it already exists.
9784 2005-07-05 Devang Patel <dpatel@apple.com>
9786 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
9787 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
9788 * tree-vectorizer.c (vect_loop_location): New.
9789 (vect_print_dump_info): Use vect_loop_location.
9790 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
9791 (vectorize_loops): Set vect_loop_location.
9792 * tree-vect-analyze.c (vect_analyze_offset_expr,
9793 vect_determin_vectorization_factor, vect_analyze_operations,
9794 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
9795 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
9796 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
9797 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
9798 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
9799 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
9800 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
9801 vect_analyze_loop): Adjust vect_print_dump_info API.
9802 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9803 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
9804 vect_finish_stmt_generation, vectorizable_assignment,
9805 vectorizable_operation, vectorizable_store, vectorizable_load,
9806 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
9807 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
9808 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
9809 vect_transform_loop): Same.
9810 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
9811 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
9814 2005-07-05 Randolph Chung <tausq@debian.org>
9816 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
9817 * configure: Regenerate.
9818 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
9819 (pa_tls_referenced_p): Declare.
9820 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
9821 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
9822 (legitimize_tls_address): New.
9823 (hppa_legitimize_address): Handle TLS addresses.
9824 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
9825 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9826 (emit_move_sequence): Handle TLS addresses.
9827 (pa_encode_section_info): Call default handler to handle common
9829 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
9830 (CONSTANT_ADDRESS_P): Reject TLS operands.
9831 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
9832 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
9833 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
9834 (UNSPEC_TLSLE): Define new constants.
9835 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
9836 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
9837 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
9838 (tie_symbolic_operand, tle_symbolic_operand): New
9840 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
9842 * aclocal.m4: Update macros for autoconf 2.59 style.
9843 * configure.ac: Likewise.
9845 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9847 * pa.c (function_value): Handle small aggregates on 32-bit targets.
9848 (function_arg): Pass small aggregates in general registers on 32-bit
9850 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
9852 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
9854 * Makefile.in (final.o): Fix dependencies.
9856 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9860 * langhooks.h (struct lang_hooks): Add expr_to_decl.
9861 * langhooks.c (lhd_expr_to_decl): New.
9862 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
9864 (LANG_HOOKS_INITIALIZER): Update.
9865 * tree.c (recompute_tree_invarant_for_addr_expr): Call
9866 expr_to_decl langhook.
9867 * c-tree.h (c_expr_to_decl): Declare.
9868 * c-typeck.c (c_expr_to_decl): New.
9869 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
9871 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
9873 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9876 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
9877 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
9879 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
9881 * Makefile.in: Adjust dependencies.
9882 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
9883 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
9884 * alias.c (rest_of_handle_cfg, pass_cfg): New.
9885 * bb-reorder.c (duplicate_computed_gotos): Make it static.
9886 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
9887 rest_of_compilation.
9889 * bb-reorder.c (gate_duplicate_computed_gotos,
9890 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
9891 rest_of_handle_reorder_blocks, pass_reorder_blocks,
9892 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
9893 pass_partition_blocks): New.
9894 * bt-load.c (gate_handle_branch_target_load_optimize,
9895 rest_of_handle_branch_target_load_optimize,
9896 pass_branch_target_load_optimize): New.
9897 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
9899 * cfglayout.c (pass_insn_locators_initialize): New.
9900 * cfgrtl.c (pass_free_cfg): New.
9901 * combine.c (gate_handle_combine, rest_of_handle_combine,
9903 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
9904 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
9905 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
9906 * except.c (pass_set_nothrow_function_flags,
9907 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
9909 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
9910 rest_of_handle_shorten_branches, pass_shorten_branches,
9911 rest_of_clean_state, pass_clean_state): New.
9912 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
9913 rest_of_handle_remove_death_notes, pass_remove_death_notes,
9914 rest_of_handle_life, pass_life, rest_of_handle_flow2,
9916 * function.c (pass_instantiate_virtual_regs, pass_init_function,
9917 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
9918 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
9919 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
9921 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
9922 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
9923 pass_rtl_ifcvt, gate_handle_if_after_combine,
9924 rest_of_handle_if_after_combine, pass_if_after_combine,
9925 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
9926 pass_if_after_reload): New.
9927 * integrate.c (pass_initial_value_sets): New.
9928 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
9929 pass_purge_lineno_notes): New.
9930 * mode-switching.c (rest_of_handle_mode_switching,
9931 pass_mode_switching): New.
9932 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
9933 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
9935 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
9936 pass_loop_optimize): New.
9937 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
9939 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
9941 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
9942 pass_postreload_cse): New.
9943 * profile.c (gate_handle_profiling, pass_profiling,
9944 rest_of_handle_branch_prob, pass_branch_prob): New.
9945 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
9946 pass_split_before_regstack, gate_handle_split_before_regstack,
9947 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
9948 rest_of_handle_split_all_insns, pass_split_all_insns): New.
9949 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
9950 pass_stack_regs): New.
9951 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
9952 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
9953 pass_stack_adjustments): New.
9954 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
9955 pass_regrename): New.
9956 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
9957 pass_delay_slots, gate_handle_machine_reorg,
9958 rest_of_handle_machine_reorg, pass_machine_reorg): New.
9959 * rtl.h (extern void purge_line_number_notes): New.
9960 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
9961 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
9963 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
9965 * value-prof.c (gate_handle_value_profile_transformations,
9966 rest_of_handle_value_profile_transformations,
9967 pass_value_profile_transformations): New.
9968 * var-tracking.c (gate_handle_var_tracking,
9969 pass_variable_tracking): New.
9970 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
9972 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
9973 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
9974 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
9975 rest_of_handle_old_regalloc, rest_of_handle_regrename,
9976 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
9977 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
9978 rest_of_handle_gcse2, rest_of_handle_regmove,
9979 rest_of_handle_tracer, rest_of_handle_if_conversion,
9980 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
9981 rest_of_handle_web, rest_of_handle_branch_prob,
9982 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
9983 rest_of_handle_jump_bypass, rest_of_handle_combine,
9984 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9985 rest_of_handle_gcse, rest_of_handle_loop_optimize,
9986 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
9987 rest_of_handle_mode_switching, rest_of_handle_jump,
9988 rest_of_handle_eh, rest_of_handle_stack_adjustments,
9989 rest_of_handle_flow2, rest_of_handle_jump2,
9990 rest_of_handle_peephole2, rest_of_handle_postreload,
9991 rest_of_handle_shorten_branches, rest_of_clean_state,
9992 rest_of_compilation): Remove.
9994 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
9995 * passes.c (dump_flags, in_gimple_form, all_passes,
9996 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9997 register_dump_files, next_pass_1, last_verified, execute_todo,
9998 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
9999 from tree-optimize.c.
10000 (init_optimization_passes): Moved from tree-optimize.c,
10001 adding the RTL optimizations.
10002 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
10003 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
10004 all_ipa_passes, all_lowering_passes, register_one_dump_file,
10005 register_dump_files, next_pass_1, last_verified, execute_todo,
10006 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
10007 init_tree_optimization_passes, ipa_passes): Delete.
10008 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
10010 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
10011 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
10013 (ipa_passes): Remove.
10014 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
10015 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
10016 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
10017 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
10018 (dump_info_p, dump_flag): Moved to tree-dump.h.
10020 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
10022 * passes.c (finish_optimization_passes): Use dump_begin
10023 and dump_end, TDI_end.
10024 (gate_rest_of_compilation): New.
10025 (pass_rest_of_compilation): Use it.
10026 (gate_postreload, pass_postreload): New.
10027 * toplev.c (general_init): Rename init_tree_optimization_passes.
10028 * toplev.h (init_tree_optimization_passes): Rename to
10029 init_optimizations_passes.
10030 * tree-dump.c (dump_flag): Make static.
10031 (dump_files): Remove RTL dumps.
10032 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
10033 pass_cleanup_cfg, pass_free_cfg_annotations,
10034 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
10035 pass_init_datastructures, pass_fixup_cfg): Make non-static.
10036 * tree-pretty-print.c: Include tree-pass.h.
10037 * cgraph.c: Include tree-dump.h.
10039 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
10041 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
10042 Only fall back to saying it points to readonly memory if
10043 we can't do better.
10045 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10047 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
10048 * config/m32r/m32r.c (m32r_compute_frame_size,
10049 m32r_expand_prologue): Take current_function_profile into
10050 account whenever we reference
10051 current_function_uses_pic_offset_table.
10052 (m32r_finalize_pic): Remove.
10053 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
10055 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
10057 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
10058 instead of $<. Don't remove ./as if it already exists.
10060 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10063 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
10064 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
10065 for complex modes when generating code for PA 1.0.
10066 (VALID_FP_MODE_P): New macro.
10067 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
10068 sets for all general and floating point modes. Align wide floating
10069 point modes to even register boundaries to comply with architectural
10071 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
10072 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
10073 (VALID_FP_MODE_P): New macro.
10074 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
10075 sets for all general and floating point modes. Align wide floating
10076 point modes to even register boundaries to comply with architectural
10079 2005-07-04 Diego Novillo <dnovillo@redhat.com>
10081 * tree-dump.c (dump_files): Initialize dump number for .cgraph
10084 2005-07-04 Diego Novillo <dnovillo@redhat.com>
10086 * tree-ssa-structalias.c: Don't include expr.h.
10088 2005-07-04 Diego Novillo <dnovillo@redhat.com>
10090 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
10093 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
10095 Fix PR tree-optimization/22279
10097 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
10100 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
10102 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
10104 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
10106 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
10107 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
10108 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
10109 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
10110 config/stormy16/stormy16.c, config/v850/v850.c,
10111 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
10112 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
10113 Avoid "." or "\n" at end of diagnostics and capital letters at
10114 start of diagnostics.
10115 * combine.c, cse.c: Don't translate dump file output.
10116 * toplev.c (print_version): Only translate output if going to
10119 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
10121 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
10122 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
10125 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10127 * pa.c (fix_range): Fix typo in comment.
10129 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
10131 * tree-vrp.c (extract_range_from_assert): Replace
10132 fold (build (...)) with fold_build2.
10134 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10136 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
10137 gcc_gfc_char_table, init_dynamic_gfc_info): New.
10138 (format_types_orig, handle_format_attribute): Add support for
10141 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
10143 * varasm.c (assemble_variable): Fix format specifier thinko.
10145 2005-07-03 Ira Rosen <irar@il.ibm.com>
10147 PR tree-optimization/22029 (and 22135)
10148 * tree-pretty-print.c (dump_generic_node): Check that the node is not
10149 a phi node before calling dump_vops.
10151 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
10153 * tree-dump.h (dump_string_field): Declare.
10154 * tree-dump.c: Use it instead of dump_string.
10155 (dump_string_field): Make non-static.
10157 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
10159 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
10160 up the minimal CFG stuff always when optimize > 0. Call
10161 split_all_insns_noflow in PIC case if needed.
10163 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
10164 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
10167 * c-decl.c (c_write_global_declarations): Dump contents of
10169 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
10170 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
10171 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
10172 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
10175 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
10177 * c-common.h (GCC_DIAG_STYLE): Define.
10178 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
10179 version for format checking to 4.1.
10180 * c-format.c: Include toplev.h after c-common.h.
10181 (enum format_type): Add gcc_tdiag_format_type.
10182 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
10183 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
10184 (format_types_orig): Add gcc_tdiag.
10185 (init_dynamic_diag_info): Support gcc_tdiag formats.
10186 (handle_format_attribute): Likewise.
10187 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
10188 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
10189 version for format checking to 4.1.
10190 (warning0, warning, error, pedwarn, sorry): Use
10191 ATTRIBUTE_GCC_DIAG.
10192 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
10193 (finish_aliases_1): Do not use %qE.
10194 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
10195 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
10196 Correct format bugs.
10197 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
10198 parameter to unsigned HOST_WIDE_INT.
10199 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
10201 2005-07-02 David Edelsohn <edelsohn@gnu.org>
10203 PR middle-end/21742
10204 * expr.c (write_complex_part): Use adjust_address for MEM.
10205 (read_complex_part): Same.
10207 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
10209 Fix PR tree-optimization/22280
10211 * tree-sra.c (generate_element_init): Remove useless loop.
10213 2005-07-02 Richard Henderson <rth@redhat.com>
10215 * config/alpha/alpha.c (alpha_legitimize_address): Check for
10217 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
10219 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
10221 PR middle-end/14490
10222 * fold-const.c (fold_binary): Handle the return value of
10223 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
10224 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
10226 2005-07-02 Jeff Law <law@redhat.com>
10228 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
10229 a eliminate type conversion which feeds an equality comparison
10230 if the original type or either operand in the comparison is a
10233 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
10235 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
10236 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
10238 * config/avr/avr.c: Do not use '`' as left quote.
10239 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
10240 Remove "." from end of diagnostics. Make diagnostics start with
10243 2005-07-02 Zack Weinberg <zack@codesourcery.com>
10244 Joseph S. Myers <joseph@codesourcery.com>
10246 * toplev.c (default_tree_printer): Handle setting location with
10248 * c-objc.common.c (c_tree_printer): Likewise.
10249 * c-format.c (gcc_diag_flag_specs): Add '+'.
10250 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
10251 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
10253 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
10254 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
10255 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
10256 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
10257 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
10258 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
10259 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
10260 format arguments where %J is used without %D.
10262 2005-07-02 Jakub Jelinek <jakub@redhat.com>
10264 * gcc.c (LINK_SSP_SPEC): Define.
10265 (link_ssp_spec): New variable.
10266 (LINK_COMMAND_SPEC): Add %(link_ssp).
10267 (static_specs): Add link_ssp_spec.
10268 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
10269 * configure: Rebuilt.
10270 * config.in: Rebuilt.
10272 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10273 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10274 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10275 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10276 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
10277 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
10278 -0x7008(2) instead of reading __stack_chk_guard variable.
10279 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
10281 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
10282 (stack_protect_set, stack_protect_test): Use *_tls* patterns
10283 if TARGET_THREAD_SSP_OFFSET is defined.
10284 (stack_tls_protect_set_si, stack_tls_protect_set_di,
10285 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
10288 2005-06-27 Richard Henderson <rth@redhat.com>
10289 * libgcc-std.ver (GCC_4.1.0): New.
10290 * libgcc.h (__stack_chk_guard): Declare.
10291 (__stack_chk_fail, __stack_chk_fail_local): Declare.
10292 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
10293 * mklibgcc.in (lib2funcs): Add them.
10295 2005-07-01 Richard Henderson <rth@redhat.com>
10297 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
10298 void * before struct sigcontext *.
10299 (x86_fallback_frame_state): Likewise.
10301 2005-07-01 James E. Wilson <wilson@specifixinc.com>
10303 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
10305 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
10308 * tree-ssa-reassoc.c (should_transpose): Fix which operand
10309 we check for SSA_NAME for.
10311 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
10313 Fix PR tree-optimization/22071
10315 * tree-ssa-structalias.c (offset_overlaps_with_access): New
10317 (get_constraint_for_component_ref): Use it.
10319 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
10322 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
10323 print out the last new line.
10325 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
10327 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
10328 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
10329 * config/cris/cris.c (cris_conditional_register_usage): Adjust
10330 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
10331 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
10332 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
10333 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
10334 (enum reg_class): New member CC0_REGS.
10335 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
10336 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
10337 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
10338 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
10339 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
10340 Adjust for register now described.
10342 2005-07-01 Jakub Jelinek <jakub@redhat.com>
10345 * config/i386/i386.md (stack_protect_test_si,
10346 stack_protect_test_di): Add earlyclobber for scratch 3.
10347 * config/rs6000/rs6000.md (stack_protect_testsi,
10348 stack_protect_testdi): Add earlyclobber for scratch 3,
10349 remove earlyclobber from scratch 4.
10351 Older entries for 2005 can be found in ChangeLog-2005.