1 2005-12-02 Richard Guenther <rguenther@suse.de>
3 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
4 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
6 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
7 maybe_fold_offset_to_component_ref): Likewise.
8 * tree-ssa-dom.c (thread_across_edge,
9 simplify_rhs_and_lookup_avail_expr,
10 find_equivalent_equality_comparison, record_equivalences_from_stmt):
12 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
13 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
14 lower_try_finally_switch): Likewise.
15 * tree-if-conv.c (add_to_dst_predicate_list,
16 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
17 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
18 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
19 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
20 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
21 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
22 gimplify_init_ctor_eval, gimplify_init_constructor,
23 gimplify_variable_sized_compare, gimplify_boolean_expr,
24 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
25 gimplify_expr, gimplify_body, gimplify_function_tree,
26 force_gimple_operand): Likewise.
27 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
28 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
29 mx_register_decls): Likewise.
30 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
31 get_frame_field, finalize_nesting_tree_1): Likewise.
32 * tree-inline.c (setup_one_parameter): Likewise.
33 * tree-vect-transform.c (vectorizable_condition): Likewise.
34 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
36 * tree-profile.c (tree_gen_edge_profiler): Likewise.
37 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
38 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
39 * tree-chrec.h (build_polynomial_chrec): Likewise.
41 2005-12-02 Richard Guenther <rguenther@suse.de>
43 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
44 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
45 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
46 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
47 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
48 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
49 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
51 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
52 sh_adjust_unroll_max): Likewise.
53 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
54 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
55 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
57 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
59 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
62 2005-12-02 Richard Guenther <rguenther@suse.de>
64 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
65 simplify_cond_using_ranges): Use buildN instead of build.
66 * tree-tailcall.c (adjust_accumulator_values,
67 adjust_return_value): Likewise.
68 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
69 generate_element_copy, generate_element_zero,
70 generate_one_element_init): Likewise.
71 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
72 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
73 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
74 perfect_nestify): Likewise.
76 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
78 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
80 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
82 * ggc.h (GGC_RESIZEVEC): New.
84 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
86 * gcc.c (execute): Improve readability.
88 2005-12-02 Richard Guenther <rguenther@suse.de>
90 * tree-cfg.c (mark_used_vars): New function.
91 (dump_function_to_file): Dump only used VAR_DECLs.
93 2005-12-02 Richard Guenther <rguenther@suse.de>
95 * convert.c (convert_to_integer): Fix compare for nonpositive
96 constant to use tree_int_cst_sgn <= 0.
98 2005-12-02 Richard Guenther <rguenther@suse.de>
100 * convert.c (convert_to_integer): Use fold_convert instead
101 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
102 instead of comparing against 0. Use build_int_cst instead
103 of converting integer_zero_node.
105 2005-12-02 Richard Guenther <rguenther@suse.de>
107 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
110 2005-12-02 Alan Modra <amodra@bigpond.net.au>
113 * combine.c (simplify_logical <IOR>): Simplify more patterns to
116 2005-12-02 Alan Modra <amodra@bigpond.net.au>
119 * function.c (expand_function_end): Emit blockage for unwinder
122 2005-12-01 Roger Sayle <roger@eyesopen.com>
124 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
125 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
126 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
127 integer constant comparisons.
129 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
130 Janis Johnson <janis187@us.ibm.com>
131 David Edelsohn <dje@watson.ibm.com>
132 Ben Elliston <bje@au.ibm.com>
134 * dfp.h, dfp.c: New files.
135 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
136 (DECNUM_H): Likewise.
137 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
138 (INCLUDES): Append $(DECNUMINC).
139 (OBJS-common): Add dfp.o.
141 * real.h (EXP_BITS): Pinch one bit to ..
142 (struct real_value): Add decimal field.
143 (real_format): Change table size, update documentation.
144 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
145 (real_from_string3): Declare.
146 (decimal_single_format): Declare.
147 (decimal_double_format): Declare.
148 (decimal_quad_format): Declare.
149 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
150 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
151 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
152 * real.c: Include dfp.h.
153 (normalize): Early return for decimal floats.
154 (do_add): Zero decimal field.
155 (do_compare): Call do_decimal_compare for decimal floats.
156 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
157 (real_arithmetic): Call decimal_real_arithmetic for decimal
158 floating point operands.
159 (real_identical): If a and b are of differing radix, return false.
160 (real_to_integer): Call decimal_real_to_integer if the value is a
162 (real_to_integer2): Likewise, call decimal_real_to_integer2.
163 (real_to_decimal): Likewise, call decimal_real_to_decimal.
164 (real_to_hexadecimal): Place "N/A" in the return string for
166 (real_from_string3): New variant, given a mode.
167 (real_maxval): Use decimal_real_maxval for decimal floats.
168 (round_for_format): Use decimal_round_for_format for decimals.
169 (real_convert): Use decimal_real_convert where appropriate.
170 (significand_size): Handle base 10.
171 (encode_decimal_single, decode_decimal_single,
172 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
173 decode_decimal_quad): New functions.
174 (decimal_single_format): New.
175 (decimal_double_format): New.
176 (decimal_quad_format): New.
177 * machmode.def: Add SD, DD and TD decimal floating point modes.
178 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
179 Include MODE_DECIMAL_FLOAT.
180 (DECIMAL_FLOAT_MODE_P): New.
181 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
182 * genmodes.c (struct mode_data): Add counter field.
183 (struct mode_data): Update comment for format.
184 (blank_mode): Initialise counter field.
185 (new_mode): Increment counter field for each mode defined.
186 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
188 (make_complex_modes): Handle modes containing `D'.
189 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
190 (make_decimal_float_mode): New.
191 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
192 (cmp_modes): Compare counter field if other characteristics
194 (emit_real_format_for_mode): Support formats for decimal floats.
195 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
196 Document MODE_DECIMAL_FLOAT.
198 2005-12-02 Alan Modra <amodra@bigpond.net.au>
200 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
203 2005-12-01 Richard Henderson <rth@redhat.com>
205 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
207 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
209 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
211 * config/pa/pa.c (pa_init_builtins): If we detect
212 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
215 2005-12-01 Richard Guenther <rguenther@suse.de>
217 * fold-const.c (fold_binary): Use fold_build2, not
220 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
222 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
224 * vec.h (VEC_block_remove): New.
226 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
229 * c-common.c (lvalue_error): Fix wording.
231 2005-12-01 Richard Guenther <rguenther@suse.de>
233 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
234 thinko in last patch.
236 2005-12-01 Geoffrey Keating <geoffk@apple.com>
238 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
239 than -flat_namespace.
241 2005-12-01 Ben Elliston <bje@au.ibm.com>
243 * mklibgcc.in: Parameterise the script to build soft float
244 functions by iterating over each type, rather than cloning the
247 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
250 * builtins.c (fold_builtin_fputs): Defer check for missing
251 replacement functions.
253 2005-11-30 Kean Johnston <jkj@sco.com>
255 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
256 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
258 2005-11-30 Richard Guenther <rguenther@suse.de>
260 PR tree-optimization/22501
261 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
262 function split out from ...
263 (forward_propagate_addr_expr): ... here. Use it to propagate
264 ADDR_EXPRs to all uses.
266 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
268 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
269 * builtins.c (expand_builtin_mathfn): Use them.
270 (expand_builtin_mathfn_2): Likewise.
271 (expand_builtin_mathfn_3): Likewise.
272 (expand_builtin_int_roundingfn): Likewise.
273 (expand_builtin): Likewise.
274 (integer_valued_real_p): Likewise.
275 (fold_builtin_int_roundingfn): Likewise.
276 (fold_builtin_bitop): Likewise.
277 (fold_builtin_logarithm): Likewise.
278 (fold_builtin_1): Likewise.
279 * convert.c (convert_to_integer): Likewise.
280 * fold-const.c (negate_mathfn_p): Likewise.
281 (tree_expr_nonnegative_p): Likewise.
283 2005-11-30 Dale Johannesen <dalej@apple.com>
284 Andrew Pinski <pinskia@physics.uc.edu>
286 * combine.c (find_split_point): Sign extend bitmask
287 when changing bitfield assignment to IOR of AND.
289 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
291 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
292 clobber to scratch reg.
293 (*decrement_and_branch_until_zero_no_clobber): Remove.
294 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
295 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
296 * config/ms1/ms1.opt (mmul): Remove.
297 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
298 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
300 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
301 Bernd Schmidt <bernd.schmidt@analog.com>
303 * pa/predicates.md (symbolic_operand): Add comment.
304 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
305 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
306 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
307 (pa_secondary_reload_class): Delete.
308 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
309 and pa_secondary_reload_class. Reorder some checks. Update inline
310 copy of symbolic operand.
311 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
313 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
315 * loop-doloop.c (add_test): Only add jump notes if we did emit a
318 2005-11-30 Jeff Law <law@redhat.com>
320 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
321 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
323 2005-11-30 Jakub Jelinek <jakub@redhat.com>
325 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
326 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
327 (ia64_expand_move): Adjust caller.
329 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
330 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
333 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
335 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
336 Always produce an output if we can remove NEGs or canonicalize
337 (minus (minus ...)) expressions. Provide a fast path for the
339 (simplify_gen_binary): Do not call simplify_plus_minus.
340 (simplify_binary_operation_1): Reassociate at the end of the
343 2005-11-29 Evan Cheng <evan.cheng@apple.com>
345 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
346 moves and unpack to speed up.
348 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
350 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
351 argument, they are always sparc_compare_op0 and sparc_compare_op1.
352 (gen_v9_scc): Update callers.
353 * config/sparc/sparc.md: Likewise.
354 * config/sparc/sparc-protos.h: Update extern declaration.
356 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
358 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
360 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
363 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
365 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
366 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
369 2005-11-29 Ben Elliston <bje@au.ibm.com>
371 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
374 2005-11-29 Ben Elliston <bje@au.ibm.com>
376 * Makefile.in (clean-target): Depend on clean-target-libgcc.
377 (clean-target-libgcc): Import rule from the top-level Makefile.in.
379 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
383 * builtins.c (init_target_chars): New.
384 (expand_builtin_printf, expand_builtin_fprintf,
385 expand_builtin_sprintf, fold_builtin_sprintf,
386 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
387 fold_builtin_snprintf_chk, fold_builtin_printf,
388 fold_builtin_fprintf): Check for matching format strings using
391 2005-11-29 Paul Brook <paul@codesourcery.com>
393 * config.gcc: Do not use fixproto on m68k-elf.
395 2005-11-28 Roger Sayle <roger@eyesopen.com>
397 * expmed.c (div_cost): Replace with...
398 (sdiv_cost, udiv_cost): New.
399 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
400 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
401 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
402 (expand_divmod): Replace use of div_cost with either sdiv_cost
403 or udiv_cost depending upon the signedness of the operation.
405 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
408 * config/darwin.c (machopic_indirection_name,
409 machopic_output_indirection): Follow transparent alias chain.
411 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
413 * varasm.c (ultimate_transparent_alias_target): Add comment.
415 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
417 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
418 SET_SRC instead of XEXP where appropriate.
420 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
422 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
425 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
427 * config/fp-bit.h (LSHIFT): Take shift count parameter.
428 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
431 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
433 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
434 secondary_input_reload_class, made static. Adapt to new
436 (secondary_output_reload_class): Delete.
437 (TARGET_SECONDARY_RELOAD): New macro.
438 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
439 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
441 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
444 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
445 when its natural alignment is > BITS_PER_UNIT.
446 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
447 * c-common.c (handle_packed_attribute): Ignore packing on a field
448 whose type is naturally char aligned.
450 2005-11-28 Richard Guenther <rguenther@suse.de>
452 * c-common.c (strict_aliasing_warning): Handle all
453 component-ref like accesses.
455 2005-11-28 Roger Sayle <roger@eyesopen.com>
456 Uros Bizjak <uros@kss-loka.si>
459 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
460 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
461 when flag_unsafe_math_optimizations is set and
462 we don't care about NaNs or Infinities.
464 Move x/expN(y) and x/pow(y,z) transformation into common
465 flag_unsafe_math_optimizations section.
467 2005-11-27 Mark Mitchell <mark@codesourcery.com>
469 * gcc.c (main): Change type of argv to "char **".
471 2005-11-28 Alan Modra <amodra@bigpond.net.au>
473 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
475 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
476 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
477 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
478 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
479 output locals to sbss if !rs6000_elf_in_small_data_p.
480 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
482 2005-11-28 Alan Modra <amodra@bigpond.net.au>
485 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
487 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
488 indexed_or_indirect_address.
489 (indexed_or_indirect_address): Don't test for base reg. Call
490 address_operand last. Make it a special predicate.
492 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
494 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
496 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
499 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
501 (negate_expr): Likewise.
503 2005-11-27 Andreas Schwab <schwab@suse.de>
505 * config/m68k/m68k.c: Reindent and fix whitespace, remove
508 2005-11-27 Steven Bosscher <stevenb@suse.de>
510 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
511 has EH predecessor edges.
513 2005-11-26 Eric Christopher <echristo@apple.com>
515 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
516 register stalls by zero extending to the full register.
518 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
520 * config/floatunsisf.c, config/floatunsidf.c,
521 config/floatunsixf.c, config/floatunsitf.c: New files.
522 * config/ia64/t-hpux: Add floatunsitf.c.
523 * config/ia64/ia64.c (ia64_init_libfuncs): Use
524 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
526 2005-11-26 Richard Henderson <rth@redhat.com>
528 * c-lex.c (pragma_lex): Rename from c_lex.
529 * c-pch.c: Update for pragma_lex rename.
530 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
531 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
532 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
533 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
534 * doc/tm.texi: Likewise.
536 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
539 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
540 when overflow is undefined.
542 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
544 * doc/md.texi (Insn Canonicalizations): Refer to the
545 function commutative_operand_precedence for further rules.
547 2005-11-25 Roger Sayle <roger@eyesopen.com>
550 * expmed.c (choose_mult_variant): Return immediately when mult_cost
551 is less than zero. Limit mult_cost to a reasonable upper bound for
552 the synthetic multiplication sequence.
554 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
557 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
558 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
559 Lookup the explicit replacement functions for any unlocked
560 stdio builtin transformations.
562 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
564 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
566 * targhooks.c (default_secondary_reload): Don't require operand 2
567 for an input reload to be earlyclobber.
569 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
571 * fold-const.c (negate_mathfn_p): Fix comment and add support
572 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
575 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
578 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
579 _Q_ulltoq for unsigned conversions from SImode and DImode to
582 2005-11-25 Alan Modra <amodra@bigpond.net.au>
584 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
585 (__floatundidf, __floatundisf): Likewise.
587 2005-11-25 David Edelsohn <edelsohn@gnu.org>
589 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
590 (rs6000_override_options): Remove initialization of
592 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
593 (rs6000_emit_stack_tie): Same.
594 (emit_frame_save): Same.
595 (gen_frame_mem_offset): Same.
596 (rs6000_emit_prologue): Same.
597 (rs6000_emit_epilogue): Same.
599 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
602 * fold-const.c (fold_build): Convert bool_var != 1 and
603 bool_var == 0 to !bool_var.
605 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
608 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
609 for C being INTEGER_CST. Likewise for !=.
611 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
614 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
615 unsigned conversions from SImode to TFmode.
617 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
619 * expr.c (expand_expr_real_1): Fix error in last change.
621 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
623 * caller-save.c: (this_insn_sets): Move into:
624 (save_call_clobbered_regs).
625 (mark_set_regs): Get this_insn_sets from data.
627 (save_call_clobbered_regs): Take sets of the return value by
628 sibcalls into account.
630 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
633 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
634 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
635 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
636 (memory_move_secondary_cost, init_reg_autoinc): Remove
637 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
638 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
639 secondary_reload_class call.
640 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
642 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
643 (push_secondary_reload): Use secondary_reload target hook.
644 (secondary_reload_class, scratch_reload_class): New functions.
645 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
646 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
647 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
648 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
649 (secondary_reload_class, scratch_reload_class): Declare.
650 * reload1.c: Include target.h.
651 (reload_adjust_reg_for_temp): New function.
652 (reload_adjust_reg_for_icode): Likewise.
653 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
654 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
656 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
657 for inheritance. Support case when both secondary & tertiary reloads
658 are for intermediate registers.
659 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
660 with secondary_reload_class call. Support case when both secondary
661 & tertiary reloads are for intermediate registers.
662 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
663 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
664 * target.h (secondary_reload_info): New struct / typedef.
665 (struct gcc_target): New member secondary_reload.
666 * targhooks.c Include reload.h, optabs.h and recog.h.
667 (default_secondary_reload): New function.
668 * targhooks.h (default_secondary_reload): Declare.
669 * doc/tm.texi: Document secondary_reload target hook. Update
670 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
671 * doc/md.texi: Likewise.
673 * sh-protos.h (sh_secondary_reload): Declare.
674 * sh.c (TARGET_SECONDARY_RELOAD): Override.
675 (sh_secondary_reload): New function.
676 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
677 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
678 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
679 (HAVE_SECONDARY_RELOADS): Define.
680 * sh.md (reload_indf): Rename to:
682 (reload_outdf): Rename to:
683 (reload_outdf__RnFRm).
684 (reload_insf): Rename to:
686 (reload_insi): Rename to:
687 (reload_insi__i_fpul).
689 2005-11-24 Uros Bizjak <uros@kss-loka.si>
691 * configure.ac: Require at least texinfo 4.4.
692 * configure: Regenerate.
694 * doc/install.texi (Tools/packages necessary for building GCC):
695 Update required version of texinfo to at least 4.4.
696 (Installing GCC: Building): Update required version of texinfo
698 (Installing GCC: Final installation): Update required version
699 of texi2dvi to at least 4.4.
700 (Host/target specific installation notes for GCC): Update required
701 version of texinfo to at least 4.4.
703 2005-11-24 Richard Guenther <rguenther@suse.de>
704 Dirk Mueller <dmueller@suse.de>
707 * c-common.h (strict_aliasing_warning): Declare.
708 * c-common.c (strict_aliasing_warning): New function,
710 * c-typeck.c (build_c_cast): ... here.
712 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
714 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
716 (swap_commutative_operands_with_target): New.
718 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
720 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
721 also when doing PRE, rather than only for global CPROP.
723 2005-11-24 Ben Elliston <bje@au.ibm.com>
725 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
726 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
728 (expand_twoval_unop): Likewise.
729 (widen_clz): Likewise.
730 (expand_parity): Likewise.
731 (expand_unop): Likewise.
732 (emit_cmp_and_jmp_insn_1): Likewise.
733 (prepare_float_lib_cmp): Likewise.
735 2005-11-24 Ben Elliston <bje@au.ibm.com>
737 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
738 Remove unused `class' variable.
740 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
743 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
744 C/C++ diagnostic function warn_array_subscript_with_type_char.
745 * c-common.h (warn_array_subscript_with_type_char): Declare.
746 * c-common.c (warn_array_subscript_with_type_char): Define.
748 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
751 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
752 compiling at the intersection of C and C++.
754 2005-11-23 Mark Mitchell <mark@codesourcery.com>
756 * doc/invoke.texi: For man pages, include gcc-vers.texi.
757 List @file in the option summary. Include the libiberty
758 documentation for @file.
759 * gcc.c (main): Call expandargv.
760 * Makefile.in (gcc-vers.texi): Define srcdir.
762 2005-11-23 Diego Novillo <dnovillo@redhat.com>
764 * passes.c (init_optimization_passes): Document
765 sequencing of passes.
767 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
769 * config/m68k/predicates.md (pcrel_address, extend_operator,
770 post_inc_operand, pre_dec_operand): Remove redundant
772 (const_uint32_operand, const_sint32_operand): Use gcc_assert
774 (valid_dbcc_comparison_p): Rewrite in the lisp style.
776 2005-11-23 Ben Elliston <bje@au.ibm.com>
778 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
780 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
782 Preparatory work for PR target/21623:
783 * alpha.c (secondary_reload_class): Rename to:
784 (alpha_secondary_reload_class).
785 * alpha.h, alpha-protos.h: Likewise.
786 * mn10300.c (secondary_reload_class): Rename to:
787 (mn10300_secondary_reload_class).
788 * mn10300.h, mn10300-protos.h: Likewise.
789 * pa.c (secondary_reload_class): Rename to:
790 (pa_secondary_reload_class).
791 * pa.h, pa-protos.h: Likewise.
792 * rs6000.c (secondary_reload_class): Rename to:
793 rs6000_secondary_reload_class.
794 * rs6000.h, rs6000-protos.h: Likewise.
796 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
799 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
801 2005-11-22 Ian Lance Taylor <ian@airs.com>
803 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
805 (prepare_cmp_insn): Likewise.
807 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
810 * m68k.md (zero_extendsidi2): Force operands[1] to a register
811 if both operands[0] and operands[1] are memory.
813 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
816 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
817 COMPARISON_CLASS_P and an integral types create create a new
818 expression with the new type and fold that.
820 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
823 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
824 to SUBTARGET_OS_CPP_BUILTINS.
826 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
828 * arm.c (emit_set_insn): New function.
829 (arm_split_constant): Call it.
830 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
831 (arm_legitimize_address): Likewise. Use plus_constant.
832 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
833 (thumb_expand_prologue): Likewise.
834 (arm_gen_load_multiple): Use VOIDmode in SET.
835 (arm_gen_store_multiple): Likewise.
836 (vfp_emit_fstmx): Likewise. Use plus_constant.
837 (emit_multi_reg_push): Likewise.
838 (emit_sfm): Use plus_constant.
840 2005-11-23 Alan Modra <amodra@bigpond.net.au>
843 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
846 2005-11-22 Alan Modra <amodra@bigpond.net.au>
849 * expmed.c (store_bit_field): Don't attempt to insv a field
852 2005-11-22 Alan Modra <amodra@bigpond.net.au>
855 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
856 explicit sign extension, not a (char) cast.
858 2005-11-22 Ben Elliston <bje@au.ibm.com>
860 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
861 GET_MODE_CLASS (x) == MODE_FLOAT.
862 * config/i386/i386.c: Likewise.
863 * config/rs6000/xcoff.h: Likewise.
864 * config/rs6000/linux64.h: Likewise.
865 * config/rs6000/rs6000.c: Likewise.
866 * config/rs6000/rs6000.h: Likewise.
867 * config/rs6000/predicates.md: Likewise.
868 * config/rs6000/sysv4.h: Likewise.
870 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
872 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
875 * config/alpha/freebsd.h, config/alpha/linux.h,
876 config/arm/linux-elf.h, config/bfin/bfin.h,
877 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
878 config/i386/beos-elf.h, config/i386/gnu.h,
879 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
880 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
881 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
882 config/rs6000/linux64.h, config/rs6000/sysv4.h,
883 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
884 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
885 config/sparc/linux.h, config/sparc/linux64.h,
886 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
888 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
889 are both defined when either flag -fpic or -fPIC are used.
891 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
893 * config/fp-bit.c (clzusi): New function.
894 (si_to_float, usi_to_float): Use it to compute proper shift.
895 (usi_to_float): Preserve guard bits when shifting right.
896 * libgcc-std.ver (GCC_4.2.0): New version.
897 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
898 __floatundisf): New functions.
899 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
900 __floatundisf): Declare.
901 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
902 _floatundixf, and _floatunditf.
903 * optabs.c (expand_float): If target does not define a pattern for
904 signed or unsigned conversion, use an unsigned libcall instead of
906 (init_optabs): Initialize ufloat_optab.
908 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
910 * config/rs6000/rs6000.opt (mmulhw): New option.
911 * doc/invoke.texi (-mmulhw): Document.
912 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
914 * config/rs6000/rs6000.md: Add half-word multiply and
915 multiply-accumulate instructions for 405 and 440.
917 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
919 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
920 which matches behavior of gcc 4.0 and older for RTEMS targets. The
921 default now includes a linker group which makes the RTEMS one nest.
923 2005-11-22 Ben Elliston <bje@au.ibm.com>
925 * cse.c (fold_rtx): Typo fix.
926 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
928 2005-11-21 Richard Henderson <rth@redhat.com>
930 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
931 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
933 * c-tree.h (lookup_name): Move declaration ...
934 * c-common.h (lookup_name): ... here.
935 * config/darwin-c.c: Include c-common.h.
936 * config/t-darwin: Update dependencies.
938 2005-11-22 Ben Elliston <bje@au.ibm.com>
940 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
941 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
942 * genopinit.c (gen_insn): Likewise.
943 * reload.c (find_equiv_reg): Likewise.
944 * loop.c (load_mems): Likewise.
945 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
946 * cse.c (find_comparison_args, fold_rtx): Likewise.
947 * dwarf2out.c (add_const_value_attribute): Likewise.
948 * expr.c (convert_move): Likewise.
949 * recog.c (general_operand, register_operand): Likewise.
950 * reg-stack.c (replace_reg): Likewise.
951 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
952 * c-common.c (handle_vector_size_attribute): Likewise.
953 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
954 (simplify_binary_operation_1): Likewise.
955 (simplify_const_binary_operation): Likewise.
956 (simplify_relational_operation): Likewise.
957 (simplify_const_relational_operation): Likewise.
958 (simplify_immed_subreg): Likewise.
959 * emit-rtl.c (gen_lowpart_common): Likewise.
960 * expmed.c (expand_mult): Likewise.
961 * stor-layout.c (layout_type): Likewise.
963 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
966 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
967 cst2 only for SPE vectors.
969 2005-11-21 David Edelsohn <edelsohn@gnu.org>
972 * config/rs6000/predicates.md (vrsave_operation): Check
973 UNSPEC_VOLATILE value.
975 2005-11-21 Jan Hubicka <jh@suse.cz>
977 PR tree-optimization/24653
978 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
980 2005-11-21 Uros Bizjak <uros@kss-loka.si>
982 * config/i386/predicates.md (ax_reg_operand): New predicate.
983 (memory_displacement_only_operand): New predicate.
984 * config/i386/i386.md ("modrm" attribute): Return 0 if one
985 operand is AX register and the other operand is memory operand
986 with displacement only.
988 2005-11-21 Uros Bizjak <uros@kss-loka.si>
990 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
991 if we don't care about NaNs or Infinities.
993 2005-11-20 Ian Lance Taylor <ian@airs.com>
995 PR rtl-optimization/24883
996 * combine.c (combinable_i3pat): When checking whether the
997 destination of i3 is used in i3, consider paradoxical subregs.
999 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
1002 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
1004 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
1006 * combine.c (try_combine): Do not run subst on i1src and i2src in
1007 the case of generating a PARALLEL for a comparison.
1009 2005-11-20 Richard Henderson <rth@redhat.com>
1012 * tree-sra.c (struct sra_elt): Add all_no_warning.
1013 (struct sra_walk_fns) <use>: Add use_all argument.
1014 (sra_walk_expr): Pass it.
1015 (sra_walk_modify_expr): Likewise.
1016 (scalarize_ldst): Likewise.
1017 (scan_use): Update for new argument.
1018 (mark_no_warning): New.
1019 (scalarize_use): Use it.
1021 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1023 * expr.c (expand_expr_real): Use usmul_optab for widening
1024 signed * unsigned multiplies.
1025 * genopinit.c (optabs): Add usmul_widen_optab.
1026 * optabs.c (init_optabs): Likewise.
1027 * optabs.h (enum optab_index): Add OTI_usmul_widen.
1028 (usmul_widen_optab): Define.
1029 * config/bfin/bfin.md (usmulhisi3): New pattern.
1031 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
1033 2005-11-20 Graham Stott <btinternet.com>
1035 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
1037 2005-11-20 Andreas Schwab <schwab@suse.de>
1040 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
1043 2005-11-19 Richard Henderson <rth@redhat.com>
1046 * tree-gimple.c (is_gimple_id): Export.
1047 * tree-gimple.h (is_gimple_id): Declare.
1048 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
1049 (get_default_value): Use it.
1050 (maybe_fold_stmt_indirect): Likewise.
1052 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
1054 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
1055 than VR1 or vice-versa.
1057 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
1061 * reload.c (find_reloads_address_1): Mention dependency on
1063 * reload1.c (gen_reload): For IN with an unary operation, try
1064 moving inner expression to OUT if trivial SET is not valid.
1065 Confirm that the result is valid. Move common code block into...
1066 (emit_insn_if_valid_for_reload): New function.
1068 2005-11-19 Richard Guenther <rguenther@suse.de>
1070 * fold-const.c (fold_indirect_ref_1): Make sure we fold
1071 ARRAY_REFs of constant strings.
1073 2005-11-19 Jakub Jelinek <jakub@redhat.com>
1075 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
1076 fatal format string.
1078 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
1080 * combine.c (make_compound_operation): Swap operands of
1081 commutative operation if necessary before returning.
1083 2005-11-19 Richard Guenther <rguenther@suse.de>
1086 * fold-const.c (fold_plusminus_mult_expr): New function.
1087 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
1088 cases, remove now unnecessary code.
1090 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
1092 * gensupport.c (old_preds): Rename to std_preds, add special field.
1093 (struct old_pred_table): Rename to struct std_pred_table, add special
1095 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
1096 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
1097 (init_predicate_table): Adjust, and set along the way whether a
1098 predicate is special.
1100 2005-11-18 Mark Mitchell <mark@codesourcery.com>
1102 * BASE-VER: Change to 4.2.0.
1104 2005-11-18 James E Wilson <wilson@specifix.com>
1106 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
1109 2005-11-18 Mike Stump <mrs@apple.com>
1111 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
1112 * config/darwin-c.c (darwin_pragma_unused): Likewise.
1113 * c-decl.c (lookup_name_two) Remove.
1114 * c-tree.h (lookup_name_two): Remove.
1115 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
1116 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
1117 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
1118 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
1120 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
1123 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
1124 when not generating code to use that co-processor.
1126 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
1128 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
1129 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
1130 these functions are now in tree-phinodes.c.
1132 2005-11-18 Jie Zhang <jie.zhang@analog.com>
1134 * config/bfin/bfin.md (trap): New pattern.
1136 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1138 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
1141 * expr.c (expand_expr_real): Don't call record_block_change unless
1142 ib_boundaries_block is non-null
1144 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
1146 * fold-const.c (build_range_check): Use proper type for subtraction
1147 when merging lower bound.
1149 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
1151 PR rtl-optimization/24497
1152 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
1155 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
1157 * tree-scalar-evolution.c (expression_expensive_p): New function.
1158 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
1160 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
1162 * config/bfin/crtlibid.s: New file.
1164 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1167 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
1168 when not using sjlj exceptions.
1169 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
1170 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1171 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
1172 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
1173 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
1174 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
1175 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
1176 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
1177 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
1178 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
1179 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
1180 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
1181 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
1183 * config/pa/hpux-unwind.h: New file.
1185 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
1187 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
1188 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
1189 * varasm.c (do_assemble_alias): Adjust call.
1190 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
1192 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
1194 2005-11-17 James E Wilson <wilson@specifix.com>
1196 * tree.def (FUNCTION_DECL): Correct typo in comment.
1198 2005-11-17 Richard Henderson <rth@redhat.com>
1200 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
1201 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
1202 and DW_CFA_def_cfa_sf.
1203 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
1204 (dbx_reg_number): Don't assert particular registers here.
1205 (based_loc_descr): ... do it here instead. Fold in ...
1206 (eliminate_reg_to_offset): ... this function.
1207 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
1208 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
1209 * unwind-dw2.c (execute_cfa_program): Apply data align factor
1210 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
1211 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
1212 (instantiate_virtual_regs): Likewise.
1213 * var-tracking.c (adjust_stack_reference): Likewise.
1214 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
1216 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
1218 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
1219 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
1220 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
1222 ($(T)crtlibid.o): New rule.
1224 2005-11-16 Richard Guenther <rguenther@suse.de>
1227 * fold-const.c (extract_array_ref): Return byte offset
1229 (fold_binary): Fold &x[a] CMP &x[b] to
1230 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
1233 2005-11-16 Richard Henderson <rth@redhat.com>
1236 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
1237 parts of an SSA_NAME.
1239 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
1242 * arm.md (split for movsf with immediate): Restrict split to insns
1243 that set a general register.
1245 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1247 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
1249 * unwind-dw2.c (uw_advance_context): Likewise.
1250 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
1251 _Unwind_SjLj_Unregister.
1252 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
1254 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1256 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
1258 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1260 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
1261 langhook to get a DImode integer type.
1263 2005-11-16 Richard Henderson <rth@redhat.com>
1264 J"orn Rennecke <joern.rennecke@st.com>
1265 Ulrich Weigand <uweigand@de.ibm.com>
1269 * reload1.c (reg_equiv_invariant): New.
1270 (reload): Allocate, initialize, and free it.
1271 (calculate_needs_all_insns): Check it when skipping equivalence
1273 (alter_reg): Likewise.
1274 (eliminate_regs_1): Rename from eliminate_regs. Add new
1275 may_use_invariant argument; only use reg_equiv_invariant when true.
1276 (eliminate_regs): New.
1277 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
1278 a context for which may_use_invariant may be true.
1280 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1282 * fold-const.c (const_binop): Don't constant fold the operation
1283 if the result has overflowed and flag_trapping_math.
1284 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
1286 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1288 * config/arm/unwind-arm.c (abort): Add prototype here.
1289 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
1290 (struct phase1_vrs): Add prev_sp.
1291 (unwind_phase2_forced): Save the original core registers instead of
1292 modifying entry_vrs. Take a new flag argument for resuming unwinding
1293 and set action flags accordingly. Always set _US_END_OF_STACK when
1294 get_eit_entry fails. Unwind before calling the stop function.
1295 (_Unwind_GetCFA): New function.
1296 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
1297 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
1298 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
1299 just call unwind_phase2_forced.
1300 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
1301 * config/arm/unwind-arm.h (abort): Remove prototype.
1302 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
1304 (_Unwind_GetCFA): New prototype.
1305 * config/arm/pr-support.c (abort): Add prototype here.
1306 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
1308 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
1309 not schedule the prologue with non-call exceptions and EABI.
1311 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
1313 * config/arm/unwind-arm.h: Reorder interface function declarations.
1314 (_URC_END_OF_STACK): New enumeration value.
1315 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
1316 (struct _Unwind_Control_Block): Document reserved field use.
1317 (_Unwind_Stop_Fn): New typedef.
1318 (_Unwind_ForcedUnwind): Declare.
1319 (_Unwind_Resume_or_Rethrow): Declare.
1320 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
1322 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
1323 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
1324 (UCB_FORCED_STOP_ARG): New.
1325 (search_EIT_table): Update boundary condition checks.
1326 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
1327 (unwind_phase2): Replace for with do..while.
1328 (unwind_phase2_forced): New.
1329 (__gnu_Unwind_RaiseException): Replace for with do..while.
1330 (__gnu_Unwind_ForcedUnwind): New.
1331 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
1332 Use appropriate phase2 unwinder.
1333 (__gnu_Unwind_Resume_or_Rethrow): New.
1334 (__gnu_unwind_pr_common): Cope with forced unwinding.
1336 2005-11-16 David Edelsohn <edelsohn@gnu.org>
1339 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
1341 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
1342 roundsf2): Remove "s" from mnemonic.
1344 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
1346 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
1348 * config/bfin/crtn.s: Change epilogues to match.
1349 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
1350 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
1351 __PIC__ and __pic__.
1353 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
1356 * doc/invoke.texi: Distinguish between free and fixed form instead of
1357 Fortran and Fortran 90/95. Remove ratfor from the list of supported
1359 * gcc.c (default_compilers): Remove double entries, add entries for
1360 suffixes '.F90' and '.F95'.
1362 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1364 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
1365 in the stack probing loop.
1367 2005-11-15 David Edelsohn <edelsohn@gnu.org>
1369 * configure.ac: Use .machine power5 not power5x.
1370 * configure: Regenerate.
1372 2005-11-15 Mike Stump <mrs@apple.com>
1374 * c-decl.c (lookup_name_two): Add.
1375 * c-tree.h (lookup_name_two): Likewise.
1376 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
1377 * config/darwin-c.c (darwin_pragma_unused): Likewise.
1379 2005-11-16 Alan Modra <amodra@bigpond.net.au>
1381 PR rtl-optimization/23392
1382 * regrename.c (enum scan_actions) Add mark_access.
1383 (scan_actions_name): Ditto.
1384 (scan_rtx_reg): Handle mark_access.
1385 (scan_rtx_address): Do nothing for mark_access.
1386 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
1387 and regs in REG_INC notes before closing chains for dead regs.
1388 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
1389 opening chains for new writes.
1391 2005-11-15 David Edelsohn <edelsohn@gnu.org>
1393 * c.opt (ffixed-line-length-none): New.
1395 2005-11-15 Steve Ellcey <sje@cup.hp.com>
1397 * mklibgcc.in: Change contents of eh_dummy.c.
1399 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
1401 * loop.c (scan_loop): Do not insert temporaries for hard registers.
1403 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
1405 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
1407 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
1409 2005-11-15 Jan Hubicka <jh@suse.cz>
1411 * invoke.texi (large-unit-insns): Document.
1412 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
1413 * params.def (large-unit-insns): New param.
1415 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
1418 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
1419 special register for operand 3. Reindent constraints to align
1422 2005-11-14 David Edelsohn <edelsohn@gnu.org>
1424 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
1425 -mpopcntb, -mfprnd. Add -mcpu=power5+.
1426 * configure.ac: Add test for FP rounding instructions.
1427 * configure: Regenerate.
1428 * config.in: Regenerate.
1429 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1430 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
1432 * config/rs6000/rs6000.opt (mfprnd): New.
1433 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
1434 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
1435 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
1436 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
1437 (TARGET_FPRND): New.
1438 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
1440 (btrunc<mode>2): New.
1442 (floor<mode>2): New.
1443 (round<mode>2): New.
1445 2005-11-14 Geoffrey Keating <geoffk@apple.com>
1447 * gcc.c (version_compare_spec_function): Use fatal() rather than
1450 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
1451 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
1452 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
1454 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
1457 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
1458 on -mmacosx-version-min setting.
1460 2005-11-14 Diego Novillo <dnovillo@redhat.com>
1463 * tree-vrp.c (infer_value_range): Return false if STMT is a
1464 block terminator and its basic block has no successors.
1466 2005-11-14 Mike Stump <mrs@apple.com>
1468 * config/i386/i386.c (override_options): -masm=intel isn't
1469 supported on darwin.
1470 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1472 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
1474 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
1475 vfork after including auto-host.h.
1477 2005-11-15 Alan Modra <amodra@bigpond.net.au>
1479 PR rtl-optimization/22002
1480 * combine.c (distribute_notes): Detect cases where a reg dies
1481 two or more times in a bb, including on the insn we are combining,
1482 and place the death note on the correct range.
1484 2005-11-14 Dale Johannesen <dalej@apple.com>
1486 * expmed.c (store_bit_field): Add offset unconditionally for
1488 (extract_bit_field): Don't force extzv or extv operand into
1489 a register if field is too big.
1491 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1493 * config/arm/arm.c (pic_labelno): New.
1494 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
1495 LABEL_REF. Pass only the labelno to PIC insns.
1496 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1497 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
1498 * arm.md (UNSPEC_PIC_LABEL): New constant.
1499 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
1500 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
1501 Use the correct label prefix.
1503 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1505 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
1508 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
1510 * loop-invariant.c: Include tm_p.h.
1511 * Makefile.in: Updated.
1513 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1515 * pa.c (store_reg): Revise generation of frame notes in large frames.
1516 (set_reg_plus_d): Likewise.
1518 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
1520 PR tree-optimization/24709
1521 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
1524 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
1526 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
1527 and duplicate declaration of pthread_self.
1529 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
1530 Ian Lance Taylor <ian@airs.com>
1533 * calls.c (expand_call): If TARGET is a MEM and some part of the
1534 argument area has been saved, force TARGET to a register.
1536 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
1538 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
1541 2005-11-13 Jason Merrill <jason@redhat.com>
1544 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
1545 lazily declared methods.
1546 (force_decl_die): Stop if forcing out the context already make a
1548 (force_type_die): Likewise.
1550 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
1553 * builtins.c (integer_valued_real_p): Add break in
1554 REAL_CST having TREE_OVERFLOW set.
1556 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
1558 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
1559 addressing modes during calculation of costs.
1561 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
1563 * function.c (assign_stack_local_1): Restrict sanity check
1564 on frame size overflow to 32-bit and above platforms.
1566 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1568 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1569 * config/cris/cris.c: Include reload.h.
1570 (cris_initial_elimination_offset): New function.
1571 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
1574 2005-11-12 Richard Guenther <rguenther@suse.de>
1576 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
1578 2005-11-12 Jan Hubicka <jh@suse.cz>
1580 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
1581 to compare against 0 when possible.
1583 2005-11-12 Jie Zhang <jie.zhang@analog.com>
1585 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
1586 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1587 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
1588 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
1591 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1593 * recog.c (constrain_operands) <case 'g'>: For a match, require
1594 that a non-register matches general_operand when strict >= 0.
1596 2005-11-11 Steven Bosscher <stevenb@suse.de>
1598 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
1601 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1603 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
1604 (memory_address_same): New.
1605 (dse_optimize_stmt): Call memory_address_same.
1607 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1610 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
1611 ZERO_EXTEND>: New cases.
1613 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1615 * longlong.h (__clz_tab): Always provide.
1617 2005-11-11 Steven Bosscher <stevenb@suse.de>
1620 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
1622 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
1623 before check_maybe_invariant.
1624 (move_invariant_reg): Use gen_move_insn instead of replacing
1625 SET_DEST with the temporary for the invariant.
1626 (move_loop_invariants): If checking is enabled, do internal
1627 consistency checks after completing the pass.
1629 2005-11-11 David Edelsohn <edelsohn@gnu.org>
1632 * common.opt (Wvolatile-register-var): New.
1633 * varasm.c (make_decl_rtl): Only emit warning when option
1634 specified. Clarify warning message.
1635 * doc/invoke.texi (Wvolatile-register-var): Document new option.
1637 * doc/md.texi (copysign): Document standard named pattern.
1639 2005-11-11 Jie Zhang <jie.zhang@analog.com>
1641 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
1642 bytes when align is 2.
1643 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
1644 by the first instruction of the loop.
1646 2005-11-11 Jason Merrill <jason@redhat.com>
1649 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
1652 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1654 PR rtl-optimization/22509
1655 * local-alloc.c (memref_used_between_p): Check whether a function call
1656 could not reference the memref.
1658 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
1660 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
1661 algorithm so as to choose the best, not the worst, alternative.
1662 Reset accumulated register class before processing next alternative.
1664 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
1667 * calls.c (expand_call): Copy a return value to a plain register
1670 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
1673 * varasm.c (assemble_name): Recompute name only for transparent
1676 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
1678 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
1680 2005-11-04 Jeff Law <law@redhat.com>
1683 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
1684 perform reassociation if the parent statement will not die as
1685 a result of the optimization.
1687 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
1689 * tree-ssa-alias.c (compute_may_aliases): Remove call to
1690 delete_old_heap_vars.
1691 * tree-dfa.c (referenced_var_remove): Remove function.
1692 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
1693 (delete_tree_ssa): Remove call to delete_old_heapvars.
1694 Add call to delete_alias_heapvars.
1695 * tree-flow.h (referenced_var_remove): Remove prototype
1696 (init_alias_heapvars): New prototype.
1697 (delete_alias_heapvars): Ditto.
1698 * Makefile.in (tree-ssa-structalias.o): Add
1699 gt-tree-ssa-structalias.o
1700 (GTFILES): Add tree-ssa-structalias.h and
1701 tree-ssa-structalias.c.
1702 (s-gtype): Add gt-tree-ssa-structalias.h.
1703 * tree-ssa-structalias.c (heapvars): Remove.
1704 (oldheapvars): Remove.
1705 (heapvar_for_stmt): New variable.
1706 (heapvar_lookup): New function.
1707 (heapvar_insert): Ditto.
1708 (get_constraint_for): See if we have an old heapvar
1710 (init_alias_heapvars): New function.
1711 (delete_alias_heapvars): Ditto.
1712 Add include of gt-tree-ssa-structalias.h.
1714 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1717 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
1719 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
1721 * tree.c (int_fits_type_p): Only look at the base type
1722 if it has the same precision as the original type.
1724 2005-11-10 Jakub Jelinek <jakub@redhat.com>
1727 * varasm.c (assemble_alias): Use %q+D in the error
1728 message instead of %J and %qD.
1730 2005-11-10 Richard Guenther <rguenther@suse.de>
1732 * gcse.c (free_ldst_entry): Only free hashtable if
1735 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1737 * function.c (assign_stack_local_1): Issue an error message if
1738 the frame size overflows in the signed target arithmetics.
1740 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1742 * tree.c (build_qualified_type): Chain the new type to the original
1743 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1744 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1745 (build_pointer_type_for_mode): Only return unqualified types.
1746 (build_reference_type_for_mode): Likewise.
1748 2005-11-09 Jakub Jelinek <jakub@redhat.com>
1750 * Makefile.in (gnucompare): Do comparison of all files using one of
1751 the chosen methods and only afterwards decide if just warning should
1752 be issued or comparison failure raised.
1754 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1756 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
1757 (noce_try_abs): Negate if the comparison is reversed.
1758 Look only one instruction backwards for a REG_EQUAL note.
1760 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1763 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
1764 gthr-tpf.h: Define __gthrw. For all identifiers that might
1765 be weak, introduce weakrefs or non-weak aliases with __gthrw,
1766 and prefix all uses with __ghtrw.
1768 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1771 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
1772 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
1773 * c-common.c (handle_weakref_attribute): New.
1774 (c_common_attribute_table): Add weakref.
1775 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
1777 * configure, config.in: Rebuilt.
1778 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
1779 * doc/extend.texi: Document weakref attribute.
1780 * varasm.c (ultimate_transparent_alias_target): New
1781 (assemble_name): Use it.
1782 (weak_finish_1): Split out of...
1783 (weak_finish): ... and deal with weakrefs in...
1784 (weakref_targets): ... new list.
1785 (globalize_decl): Clean up weakref_targets.
1786 (do_assemble_alias): Handle weakrefs.
1787 (finish_aliases_1): Do not reject weakrefs to external symbols.
1788 (assemble_alias): Handle weakrefs.
1790 2005-11-09 Richard Guenther <rguenther@suse.de>
1792 PR tree-optimization/24716
1793 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
1794 t_bool to track results from follow_ssa_edge.
1796 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1798 * final.c (force_source_line): New global variable.
1799 (final_scan_insn): Set it to true instead of clearing last_filename.
1800 (notice_source_line): Return true if force_source_line is true,
1801 unless source info is absent.
1803 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
1806 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
1807 a linkage name for a variable if it a register variable.
1808 * c-decl.c (grokdeclarator): Global register variables
1809 should be set as PUBLIC.
1811 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1814 * config/s390/s390.c (struct s390_frame_layout): New fields
1815 first_save_gpr_slot and last_save_gpr_slot.
1816 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
1817 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
1818 first_save_gpr and last_save_gpr with the _slot variants.
1819 (s390_register_info): Calculate first_save_gpr_slot and
1820 last_save_gpr_slot using regs_ever_live.
1822 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1825 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
1826 for a function containing a landing pad.
1828 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1831 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
1834 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
1836 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
1837 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
1839 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
1842 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
1844 (call,load,store): New insn types.
1845 (mem_access, branch_access): Adjust reservation conditions.
1846 (define_delay): Adjust condition.
1847 (decrement_and_branch_until_zero): Allow for ms2. Set branch
1849 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
1850 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
1852 (call_internal, call_value_internal, return_internal,
1853 return_interrupt_internal, eh_return_internal, indirect_jump,
1854 tablejump): Set call insn type.
1855 (blockage, ei, di): Use appropriate unspec const.
1856 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
1857 (ms1_get_attr_type): Adjust to give load & store types.
1858 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
1859 backwards past a barrier.
1860 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
1862 (struct branch_info, struct label_info): New.
1864 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
1865 (ms1_machine_reorg): New.
1866 (TARGET_MACHINE_DEPENDENT_REORG): Override.
1867 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
1868 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
1869 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
1872 2005-11-09 Per Bothner <per@bothner.com>
1873 Uros Bizjak <uros@kss-loka.si>
1876 * toplev.c (process_options): Initialize debug_hooks early
1877 in case lang_hooks.post_options ends up calling a debug_hook.
1879 2005-11-08 Jakub Jelinek <jakub@redhat.com>
1881 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
1882 DBX_REGISTER_NUMBER being contiguous.
1884 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
1885 Diego Novillo <dnovillo@redhat.com>
1888 * tree-vrp.c (register_edge_assert_for): Do not register
1889 always-false predicates.
1891 2005-11-08 Devang Patel <dpatel@apple.com>
1893 PR tree-optimization/23115
1894 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
1897 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
1899 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
1902 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
1904 Fix PR tree-optimization/23382
1906 * tree-ssa-alias.c (compute_may_aliases): Call
1907 delete_old_heap_vars.
1908 * tree-dfa.c (referenced_var_remove): New function.
1909 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
1910 * tree-flow.h (referenced_var_remove): Add prototype.
1911 (delete_old_heap_vars): Ditto.
1912 * tree-ssa-structalias.c (heapvars): New variable.
1913 (oldheapvars): Ditto.
1914 (get_constraint_for): Put heap vars on heapvars list.
1915 (delete_old_heap_vars): New function.
1917 2005-11-08 Jason Merrill <jason@redhat.com>
1919 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
1921 2005-11-08 Uros Bizjak <uros@kss-loka.si>
1924 * reg-stack.c (reg_to_stack): Update register liveness also
1925 for flag_sched2_use_traces.
1927 2005-11-08 Alan Modra <amodra@bigpond.net.au>
1930 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
1931 override prior explicit -mno-powerpc-gfxopt.
1933 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
1935 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
1936 if the bitsize is zero.
1937 * doc/md.texi (Standard Pattern Names): Document it.
1939 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
1940 (TARGET_PASS_BY_REFERENCE): Likewise.
1942 2005-11-07 Ian Lance Taylor <ian@airs.com>
1944 PR rtl-optimization/24683
1945 * config/i386/i386.c (legitimize_pic_address): If constant operand
1946 to PLUS is too large, put it in a register.
1948 2005-11-07 Jie Zhang <jie.zhang@analog.com>
1950 * configure.ac: Enable checking assembler dwarf2 support for bfin
1952 * configure: Regenerate.
1954 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1958 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
1959 gen_easy_vector_constant_add_self): Delete.
1960 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
1962 (output_vec_const_move): Use gen_easy_altivec_constant.
1963 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
1964 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
1965 (easy_vector_constant_add_self): Rewritten.
1966 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
1967 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
1968 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
1969 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
1970 Macroize and adjust for the other changes.
1972 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
1976 * c-typeck.c (build_c_cast): Try using a shared constant, and see
1977 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
1979 2005-11-07 Jakub Jelinek <jakub@redhat.com>
1981 PR rtl-optimization/23567
1982 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
1983 (noce_process_if_block): Don't do any optimizations except
1984 if (cond) x = x; if !set_b and write into orig_x may trap
1985 or fault. Remove the MEM_READONLY_P check.
1987 2005-11-06 Diego Novillo <dnovillo@redhat.com>
1990 * tree-vrp.c (fix_equivalence_set): New.
1991 (extract_range_from_assert): Call it.
1993 2005-11-05 Ian Lance Taylor <ian@airs.com>
1996 * combine.c (apply_distributive_law): Don't distribute across a
1999 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
2001 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
2002 config/ms1/ms1.h, config/rs6000/predicates.md,
2003 config/s390/s390.c, params.def, postreload-gcse.c,
2004 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
2005 tree-vrp.c, tree.c: Fix comment typos.
2006 * doc/invoke.texi: Fix typos.
2008 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
2010 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
2011 for testing whether the data_dependence_relation contains distance
2012 vectors. Iterate over all distance vectors of the ddr.
2013 * lambda.h: Define a vec of lambda_vector pointers.
2014 * tree-data-ref.c (dump_data_dependence_relation,
2015 dump_data_dependence_direction): Iterate over all distance and
2016 direction vectors of the ddr.
2017 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
2019 (build_classic_dist_vector, build_classic_dir_vector): Push a set
2020 of distance/direction vectors instead of a single one.
2021 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
2022 lambda_vectors with a vec of lambda_vectors.
2023 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
2024 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
2025 DDR_NUM_DIST_VECTS): New.
2026 * tree-loop-linear.c (gather_interchange_stats): Test for the
2027 existence of distance vectors only after having checked that there
2028 is a dependence. Iterate over all distance vectors of the ddr.
2029 (linear_transform_loops): Use dump_data_dependence_relation.
2030 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
2031 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
2032 distance vectors of the ddr.
2034 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
2036 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
2037 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
2038 IS_INTHANDLER; all callers changed.
2039 (n_regs_saved_by_prologue): Take interrupt handler attributes into
2041 (do_link, do_unlink): New argument ALL; all callers changed.
2042 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
2043 If function isn't leaf, save and restore all registers.
2044 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
2047 2005-11-05 Jan Hubicka <jh@suse.cz>
2049 PR rtl-optimization/23490
2050 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
2051 max-flow-memory-location): Document.
2052 * flow.c: Include params.h
2053 (MAX_MEM_SET_LIST_LEN): Kill.
2054 (add_to_mem_set_list): Use new param.
2055 * cse.c (cse_basic_block): Replace 1000 by new param.
2056 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
2057 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
2058 * predict.c (predict_loops): Use new param.
2059 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
2061 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
2062 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
2063 Do not hold memory returned by cgraph_node_name across other call.
2065 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
2068 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
2071 2005-11-04 Jeff Law <law@redhat.com>
2074 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
2075 * tree-ssa-dom.c: Include params.h.
2076 (thread_across_edge): If there are too many statements in the
2077 target block, then do not thread through it.
2078 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
2079 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
2081 2005-11-03 Diego Novillo <dnovillo@redhat.com>
2084 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
2085 TODO_update_ssa instead of TODO_update_ssa_no_phi.
2087 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
2090 * tree-scalar-evolution.c (instantiate_parameters_1,
2091 instantiate_parameters, resolve_mixers): Compute the size of an
2092 expression to be instantiated and give up the instantiation if the
2093 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2095 2005-11-04 Richard Guenther <rguenther@suse.de>
2097 * tree-flow.h (ref_contains_indirect_ref): Rename to
2098 array_ref_contains_indirect_ref.
2099 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
2100 (array_ref_contains_indirect_ref): Make comment match the code
2102 (ref_contains_array_ref): Likewise.
2103 * tree-ssa-structalias.c (find_func_aliases): Remove call to
2104 ref_contains_indirect_ref.
2105 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2106 Rename calls to ref_contains_indirect_ref.
2108 2005-11-04 Paul Brook <paul@codesourcery.com>
2110 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
2111 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
2112 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2113 * config/arm/arm.md: Use match_operand in peephole input templates
2114 and match_dup in peephole output templates.
2116 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2118 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
2121 2005-11-04 Mark Mitchell <mark@codesourcery.com>
2122 Daniel Jacobowitz <dan@codesourcery.com>
2124 * longlong.h (add_ssaaaa): Clobber condition code register
2126 (sub_ddmmss): Likewise.
2127 (umul_ppmm): Likewise.
2129 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2130 Paul Brook <paul@codesourcery.com>
2131 Phil Blundell <pb@reciva.com>
2133 * configure.ac: Add test for ARM TLS support.
2134 * configure: Regenerated.
2135 * config/arm/arm-protos.h (legitimize_tls_address)
2136 (arm_tls_referenced_p, tls_mentioned_p)
2137 (arm_output_addr_const_extra): New prototypes.
2138 (thumb_legitimize_pic_address): Delete.
2139 * config/arm/arm.c: Include "gt-arm.h".
2140 (enum tls_reloc): New.
2141 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
2142 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
2143 (arm_call_tls_get_addr, legitimize_tls_address)
2144 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
2145 (arm_init_tls_builtins, arm_emit_tls_decoration)
2146 (arm_output_addr_const_extra): New functions.
2147 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
2148 (TARGET_HAVE_TLS): Define.
2149 (target_thread_pointer): New.
2150 (arm_override_options): Handle -mtp=.
2151 (legitimize_pic_address): Ignore UNSPECs.
2152 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
2154 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
2155 (tls_get_addr_libfunc): New variable.
2156 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
2157 (arm_init_builtins): Call arm_init_tls_builtins.
2158 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
2159 (arm_encode_section_info): Call default_encode_section_info.
2160 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
2161 (enum arm_tp_type): New.
2162 (target_thread_pointer): Add declaration.
2163 (LEGITIMATE_CONSTANT_P): Handle TLS.
2164 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
2165 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
2166 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
2167 * config/arm/arm.md: Add UNSPEC_TLS.
2168 (movsi): Handle TLS.
2169 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
2171 (tls_load_dot_plus_eight): New insn and a peephole to create it.
2172 (load_tp_hard, load_tp_soft): New insns.
2173 * arm.opt: Add -mtp=.
2174 * doc/invoke.texi (ARM Options): Document -mtp.
2176 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2178 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
2179 * config/arm/libunwind.S: Include "lib1funcs.asm".
2180 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
2181 (LIB2ADDEH): Add libunwind.S.
2182 (LIB2ADDEHDEP): Add lib1funcs.asm.
2183 * mklibgcc.in: Handle asm files in libgcc_eh.a.
2185 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2188 * gcc/c.opt: Add a -lang-fortran option.
2189 * gcc/c-opts.c: Add a lang_fortran flag.
2190 (c_common_init_options): Handling the -lang-fortran option.
2191 (c_common_handle_option): Add a case for Fortran options in
2192 preprocessing. Remove cases for -ffixed-form and
2193 -ffixed-line-length. Add a case for -lang-fortran.
2195 2005-11-03 David Edelsohn <edelsohn@gnu.org>
2197 * config/rs6000/rs6000.c: Include params.h
2198 (optimization_options): Set max-grow-copy-bb-insns default to 16.
2199 (bdesc_2arg): Delete vpkuhss and vpkuwss.
2200 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
2201 (UNSPEC_VPKUWSS): Delete.
2202 (altivec_vpkuhss): Delete.
2203 (altivec_vpkuwss): Delete.
2204 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
2206 (neg_eq0<mode>): Remove final condition.
2207 (neg_eq<mode>): Remove condition and split-condition.
2209 2005-11-04 Alan Modra <amodra@bigpond.net.au>
2211 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
2212 Use associated print macros.
2214 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
2217 * diagnostic.c (diagnostic_set_info_translated): New function.
2218 (diagnostic_set_info): Use it. Add comment.
2219 * diagnostic.h (diagnostic_set_info_translated): Declare.
2221 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
2223 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
2224 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
2225 reference only if 'public' is true.
2226 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
2227 emit the .hidden directive only if the indirect reference is public.
2228 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
2229 Pass it to dw2_force_const_mem.
2230 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
2231 * dwarf2out.c (output_cfi): Adjust calls to above function.
2232 (output_call_frame_info): Likewise.
2233 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
2234 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
2236 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
2238 PR tree-optimization/24483
2239 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
2240 field to elts if possible.
2242 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
2245 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
2248 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
2250 Fix PR tree-optimization/24351
2252 * tree-ssa-structalias.c (struct variable_info): Add
2254 (get_varinfo_fc): New function to follow collapsing.
2255 (new_var_info): Set collapsed_to to NULL.
2256 (dump_constraint): Follow collapsing.
2257 (build_constraint_graph): Handle collapsing.
2258 (do_simple_structure_copy): Return false if something bad
2260 (collapse_rest_of_var): New function.
2261 (do_structure_copy): Collapse if do_simple_structure_copy returns
2264 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
2267 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
2268 expressions to a statement list instead of gimplifying them.
2270 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2272 PR rtl-optimization/23585
2273 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
2274 that can't trap plus a constant integer, if the mode has zero size.
2276 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
2279 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
2281 ("*insv<mode>_reg_extimm"): Likewise.
2283 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
2286 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
2287 c_common_type_for_mode returns an unnamed type.
2289 2005-11-02 Richard Henderson <rth@redhat.com>
2293 * dwarf2out.c (dwarf2out_reg_save_reg): New.
2294 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
2295 * function.c (assign_parms): Use calls.internal_arg_pointer.
2296 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
2298 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
2299 (TARGET_CALLS): Add it.
2300 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
2301 * targhooks.c (default_internal_arg_pointer): New.
2302 * targhooks.h (default_internal_arg_pointer): Declare.
2303 * tree.h (dwarf2out_reg_save_reg): Declare.
2304 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
2305 * config/i386/i386.c (dbx_register_map): Add return column.
2306 (dbx64_register_map, svr4_dbx_register_map): Likewise.
2307 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
2308 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
2309 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
2310 (ix86_save_reg): Save force_align_arg_pointer.
2311 (ix86_emit_save_regs): Make regno unsigned.
2312 (ix86_emit_save_regs_using_mov): Likewise.
2313 (ix86_expand_prologue): Handle force_align_arg_pointer.
2314 (ix86_expand_epilogue): Likewise.
2315 * config/i386/i386.h: (dbx_register_map): Update.
2316 (dbx64_register_map, svr4_dbx_register_map): Update.
2317 (struct machine_function): Add force_align_arg_pointer.
2318 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
2319 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
2320 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
2322 2005-11-02 Jan Hubicka <jh@suse.cz>
2325 * i386.md: Add peep2 for simplyfing array accesses.
2327 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
2330 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
2331 * config/s390/s390.c (s390_decompose_shift_count): New function.
2332 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
2333 (print_shift_count_operand): Use s390_decompose_shift_count.
2334 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
2335 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
2337 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
2340 * loop.c (loop_givs_rescan): Use force_operand to expand
2343 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
2346 * fold-const.c (build_range_check): Use unsigned when signed
2347 overflow is undefined also. If etype is subtype, make sure that
2348 the subtraction is in the supertype.
2350 2005-11-02 Richard Henderson <rth@redhat.com>
2353 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
2356 2005-11-01 Richard Henderson <rth@redhat.com>
2359 * loop.c (scan_loop): Do not propagate computations to a hard
2360 register destination with SMALL_REGISTER_CLASSES.
2362 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
2364 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
2365 costs for MULT inside PLUS or MINUS.
2367 2005-11-01 Bob Wilson <bob.wilson@acm.org>
2369 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
2370 (TRAMPOLINE_SIZE): Round up to 60.
2371 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
2373 2005-10-31 James E. Wilson <wilson@specifix.com>
2376 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
2377 ifdef. Put ifdefs around call in gen_subprogram_die.
2378 (compute_frame_pointer_to_cfa_displacement): Likewise.
2379 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
2382 PR rtl-optimization/17356
2383 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
2384 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
2386 2005-10-31 Jan Hubicka <jh@suse.cz>
2389 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
2392 * i386.c (legitimize_pic_address): Deal with large immediates.
2395 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
2396 from symbol names while computing checkup.
2399 * predict.c (predict_loops): Do not estimate more than
2400 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
2401 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
2403 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
2405 PR tree-optimization/19097
2406 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
2408 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
2410 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
2412 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
2415 * tree-inline.c (setup_one_parameter): If the init_stmt
2416 is NULL, don't insert the statement.
2418 2005-10-30 Jan Hubicka <jh@suse.cz>
2420 PR tree-optimization/24172
2421 * tree-inline.c (copy_body_r): Unshare the substituted value first.
2423 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
2425 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
2426 constants for hosts with long != 32 bits.
2428 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
2431 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
2433 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
2435 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
2436 (TARGET_MS1_16_002): New.
2437 (TARGET_MS1_16_003): New.
2439 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
2440 ("*decrement_and_branch_until_zero_no_clobber"): New.
2441 Add corresponding splitter for decrement_and_branch_until_zero
2443 Key all decrement_and_branch_until_zero patterns off of
2446 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
2449 * tree-complex.c (extract_component): Treat RESULT_DECL
2450 like the rest of the decls.
2452 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
2454 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
2455 indirect call to _mcount if the function needs a static chain.
2457 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
2458 Caroline Tice <ctice@apple.com>
2460 PR rtl-optimization/24460
2461 * dwarf2out.c (have_switched_text_sections): New boolean variable.
2462 (dwarf2out_switch_text_section): Set it to true instead of
2463 incrementing separate_line_info_table_in_use.
2464 (output_loc_list): Additionally test have_switched_text_sections.
2465 (output_ranges): Likewise.
2466 (dwarf2out_finish): Likewise.
2467 * varasm.c (assemble_start_function): Do not call
2468 insert_section_boundary_note.
2469 (assemble_end_function): If flag_reorder_blocks_and_partition,
2470 switch to the function's section before emitting the .size directive.
2471 * bb-reorder.c (insert_section_boundary_note): Staticify.
2472 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
2473 * output.h (insert_section_boundary_note): Delete.
2475 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
2478 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
2479 instead of pointer equality when comparing types.
2481 2005-10-24 James E. Wilson <wilson@specifix.com>
2483 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
2484 add_dependence_list_and_free calls.
2486 2005-10-24 Steven Bosscher <stevenb@suse.de>
2488 * contrib.texi: Add the names of the LLNL folks who donated
2489 Cray pointer support for gfortran.
2491 2005-10-24 Steven Bosscher <stevenb@suse.de>
2493 PR tree-optimization/24225
2494 * profile.c (branch_prob): Look from end to start through a
2495 basic block when looking for a locus.
2497 2005-10-24 Richard Henderson <rth@redhat.com>
2499 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
2501 (hppa_expand_prologue): Likewise.
2503 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2505 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
2506 (NO_DEFERRED_PROFILE_COUNTERS): Define.
2507 * pa.h (NO_PROFILE_COUNTERS): Define.
2508 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
2509 (funcdef_nos): New vector to hold label numbers of deferred profile
2511 (output_deferred_profile_counters): New function.
2512 (hppa_profile_hook): Push label number onto funcdef_nos.
2513 (pa_hpux_file_end): Call output_deferred_profile_counters if
2514 NO_DEFERRED_PROFILE_COUNTERS is false.
2516 * pa-protos.h (get_deferred_plabel): New prototype.
2517 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
2519 (output_call): Adjust calls.
2521 2005-10-24 Alan Modra <amodra@bigpond.net.au>
2523 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
2524 peculiarity of GOT/TOC section usage.
2526 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
2529 * c-common.c (constant_string_class_name): Add documentation.
2531 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
2534 * recog.c (peephole2_optimize): Increment peep2_current_count
2535 only when the slot is empty.
2537 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2540 * except.c (output_function_exception_table): Call
2541 assemble_external_libcall if we need a personality function.
2543 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2545 PR rtl-optimization/24460
2546 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
2547 set the basic block for barriers.
2549 2005-10-21 Janis Johnson <janis187@us.ibm.com>
2551 * var-tracking.c (vt_initialize): Initialize post.
2553 2005-10-21 Devang Patel <dpatel@apple.com>
2556 * c-common.c (vector_types_convertible_p): Check vector element type.
2558 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
2560 * config/sh/sh.c (prepare_move_operands): Handle the address
2561 constant which is a tls symbolic address plus a constant.
2563 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
2566 * gcc.c (main): Use the correct counter for erroring out
2567 about mulitple files.
2569 2005-10-21 Alan Modra <amodra@bigpond.net.au>
2572 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
2573 use r2 for 64-bit tls .got access.
2575 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
2577 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
2580 2005-10-20 Steven Bosscher <stevenb@suse.de>
2582 PR tree-optimization/24307
2583 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
2585 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
2588 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
2590 * varasm.c (find_decl_and_mark_needed): After cgraph global info
2591 is ready, stop marking functions, but still mark variables.
2593 2005-10-20 Richard Guenther <rguenther@suse.de>
2596 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
2599 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
2601 PR rtl-optimization/23585
2602 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
2603 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
2604 (may_trap_p_1): New predicate extracted from...
2605 (may_trap_p): ... here. Invoke may_trap_p_1.
2606 (may_trap_or_fault_p): New predicate.
2607 * rtl.h (may_trap_or_fault_p): Declare it.
2608 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
2609 instead of may_trap_p.
2610 (steal_delay_list_from_fallthrough): Likewise.
2611 (fill_simple_delay_slots): Likewise.
2612 (fill_slots_from_thread): Likewise.
2613 * function.c (pad_to_arg_alignment): Rework comment about
2614 SPARC_STACK_BOUNDARY_HACK.
2615 * config/sparc/sparc.h: Likewise.
2617 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
2619 * config/s390/s390.c (s390_expand_insv): New.
2620 * config/s390/s390-protos.h (s390_expand_insv): Declare.
2621 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
2622 ("icm_hi"): Remove mode attribute.
2623 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
2625 ("*extracthi", "*extractqi"): Remove.
2626 (extv<mode>", "*extzv<mode>"): New.
2627 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
2628 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
2630 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2632 * cfgexpand.c (discover_nonconstant_array_refs_r,
2633 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
2634 (tree_expand_cfg): Call discover_nonconstant_array_refs.
2635 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2636 discover_nonconstant_array_refs.
2638 2005-10-19 Steven Bosscher <stevenb@suse.de>
2641 * c-decl.c (pop_scope): Don't warn about an unused variable
2642 if it is marked with TREE_NO_WARNING.
2643 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
2644 somenow mismatch and olddecl is to be replaced.
2646 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
2649 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
2650 whether registers live on the edge can be saved/restored.
2652 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
2654 * config/sh/sh.c (fixup_mova): Skip notes.
2656 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2658 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
2659 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
2660 (s390_can_eliminate): Handle BASE_REGNUM elimination.
2661 (s390_initial_elimination_offset): Likewise.
2662 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
2663 register on TARGET_ZARCH targets.
2664 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
2665 (INITIAL_FRAME_POINTER_OFFSET): Remove.
2666 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
2667 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
2669 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2671 * config/s390/s390.md: Comment describing output modifiers updated.
2672 * config/s390/s390.c (print_operand): Likewise.
2674 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2676 * config/s390/s390.c (override_options): Added check for -mstack-size
2678 * doc/invoke.texi: Mention that limit in the documenation.
2680 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
2683 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
2685 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
2687 Fix PR tree-optimization/24231
2689 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
2690 (compute_avail): Ditto.
2692 2005-10-18 Richard Henderson <rth@redhat.com>
2695 * config/i386/i386.c (legitimate_constant_p): Check
2696 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
2698 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
2699 (legitimate_pic_address_disp_p): Reorg CONST checking to make
2700 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
2702 (print_operand_address): Likewise.
2703 * config/i386/predicates.md (x86_64_immediate_operand): Test
2704 SYMBOL_REF_TLS_MODEL properly inside CONST.
2705 (x86_64_zext_immediate_operand): Likewise.
2706 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
2707 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
2708 * config/i386/i386-protos.h: Remove predicates.md entries.
2710 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
2712 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2713 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
2715 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
2716 Ian Lance Taylor <ian@airs.com>
2719 * fold-const.c (fold_widened_comparison): Do not allow range based
2720 constant folding when right operand cannot be unwidened.
2722 2005-10-17 Richard Henderson <rth@redhat.com>
2724 * builtins.c (expand_builtin_synchronize): Build a new-style asm
2725 with a memory clobber.
2727 2005-10-17 James E Wilson <wilson@specifix.com>
2729 PR rtl-optimization/17356
2730 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
2731 checking for EDGE_EH.
2733 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
2735 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
2736 the slot on an even boundary for any type with 16-byte alignment.
2738 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
2741 * md.texi (Modifiers) <%>: Clarify that % doesn't work
2742 after register allocation.
2744 2005-10-17 DJ Delorie <dj@redhat.com>
2746 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
2749 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
2752 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
2755 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
2757 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
2758 to 2 if it's already non-zero.
2759 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
2760 is set and warn about it if flag_schedule_insns is 1.
2762 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
2764 * config/crx/crx.md: Compare-and-branch instructions need to
2767 2005-10-17 Uros Bizjak <uros@kss-loka.si>
2770 * config/i386/i386.md (*pushdi2_rex64 splitter)
2771 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
2772 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
2773 flow2 pass only when (optimize > 0 && flag_peephole2).
2775 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
2778 * gcc.c (have_c): New static variable.
2780 (process_command): Remove declation of have_c.
2781 Set have_o to 1 when handling -o.
2782 (main): Add a fatel error if there are multiple
2783 files specified and -o and -c/-S is passed witout
2784 -combine or multiple languages.
2786 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
2788 Fix PR tree-optimization/22444
2789 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
2790 Assert that we don't hit something with subvars.
2791 (setup_pointers_and_addressables): Don't add things with subvars,
2792 because we'll already process the subvars for aliasing purposes.
2794 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
2797 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
2798 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
2799 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
2800 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
2801 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
2802 swapped, alternatives for the R constraint.
2805 * builtins.c (get_builtin_sync_mode): Make unlimited
2806 mode_for_size request.
2808 2005-10-15 Richard Henderson <rth@redhat.com>
2810 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
2811 (gimplify_expr): ... here.
2812 (gimplify_compound_lval): Use it in initial scan loop. Allow
2813 fb_lvalue in base expression.
2815 2005-10-15 Richard Henderson <rth@redhat.com>
2818 * builtins.c (expand_builtin_trap): Export.
2819 * expr.h (expand_builtin_trap): Declare.
2820 * expr.c (expand_assignment): Emit a trap for integral offsets
2821 from registers that weren't reduced to bitpos.
2823 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
2824 (mark_array_ref_addressable): Remove.
2825 * tree-flow.h (mark_array_ref_addressable): Remove.
2826 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
2828 2005-10-15 James E Wilson <wilson@specifix.com>
2831 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
2832 (add_dependence_list_and_free): Likewise.
2833 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
2836 2005-10-15 Diego Novillo <dnovillo@redhat.com>
2840 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
2841 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
2843 (vrp_visit_phi_node): Only prevent infinite iterations when
2844 the previous result and the new result are both VR_RANGEs.
2846 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
2848 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
2851 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2854 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
2857 2005-10-14 Per Bothner <per@bothner.com>
2859 PR preprocessor/21250
2860 * c-ppoutput.c (print_line): Print internal line 0 as 1.
2862 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
2865 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
2866 overflow flags. Refactor some conditionals.
2868 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
2871 * tree-dfa.c (add_referenced_var): Only look at decls which
2872 have TREE_CONSTANT or TREE_READONLY set instead of if
2873 !TREE_PUBLIC or !TREE_CONSTANT.
2875 2005-10-13 James E Wilson <wilson@specifix.com>
2877 * doc/invoke.texi: For -x, add f95-cpp-input.
2878 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
2880 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
2882 PR tree-optimization/24262
2883 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
2884 in loop all the time.
2886 2005-10-12 Richard Henderson <rth@redhat.com>
2889 * tree.h (DECL_TRANSPARENT_UNION): Remove.
2890 * function.c (assign_parm_find_data_types): Don't support it.
2891 * print-tree.c (print_node): Likewise.
2892 * c-common.c (handle_transparent_union_attribute): Likewise.
2893 Use build_duplicate_type.
2894 * tree-inline.c (remap_type_1): Split out of remap_type;
2895 properly remap aggregate fields.
2896 (build_duplicate_type): New.
2897 * doc/extend.texi (Variable Attributes): Remove documentation
2898 for transparent_union.
2900 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2903 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
2904 (gen_stack_pointer_dec): Likewise.
2906 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
2910 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
2912 (struct cxx): Add adjust_class_at_definition target hook.
2913 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
2914 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
2915 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
2916 hook_void_tree. Add to TARGET_CXX.
2917 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
2919 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
2920 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
2921 instead of attribute. Check for dllexport override. Warn if
2922 inconsistent dll linkage. Don't lose old dllimport if decl has
2923 had address referenced. Tweak lookup of dllimport atribute.
2924 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
2925 for target specific rules. Don't add dllimport attribute if
2926 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
2927 dllimport attribute.
2928 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
2929 * varasm.c (initializer_constant_valid_p): Replace
2930 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
2934 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
2935 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
2936 (i[34567]86-*-mingw32*): Likewise.
2938 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
2939 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
2941 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
2942 C++-specific code. Change return value to bool.
2943 (i386_pe_dllimport_p): Likewise.
2944 (associated_type): Simplify and make language-independent
2945 (i386_pe_encode_section_info): Replace override of ambiguous
2946 dllimport symbol refs with a gcc_assert.
2947 (i386_pe_valid_dllimport_attribute_p): Define.
2948 * config/i386/winnt-cxx.c: New file. Define C++ versions of
2949 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2950 i386_pe_adjust_class_at_definition.
2951 * config/i386/winnt-stubs.c: New file. Define stub versions of
2952 lang-specific functions.
2953 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
2954 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
2955 i386_pe_adjust_class_at_definition.
2956 (i386_pe_valid_dllimport_attribute_p): Declare.
2957 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
2958 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
2959 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
2962 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
2963 dllimport attribute with test of DECL_DLLIMPORT_P.
2965 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
2967 * combine.c (make_extraction): Correct offset computation.
2969 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
2971 * config/cris/t-linux (LIMITS_H_TEST): Define.
2973 2005-10-12 Richard Henderson <rth@redhat.com>
2976 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
2978 2005-10-12 Richard Guenther <rguenther@suse.de>
2980 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
2982 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
2985 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
2986 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
2989 2005-10-12 Richard Guenther <rguenther@suse.de>
2992 * varasm.c (output_constant): Correct typo from previous
2995 2005-10-11 Ian Lance Taylor <ian@airs.com>
2997 PR rtl-optimization/13931
2998 * combine.c: Revert patch of 2003-05-14, and:
2999 (try_combine): Only set elim_i1 and elim_i2 if the destination is
3000 completely killed in the appropriate insn.
3001 (distribute_notes): Don't skip multiple hard register test for
3002 elim_i1 and elim_i2.
3004 2005-10-11 Richard Henderson <rth@redhat.com>
3007 * c-typeck.c (convert_for_assignment): Use build_constructor_single
3008 to initialize a transparent union instead of a nop_expr.
3010 2005-10-11 Richard Henderson <rth@redhat.com>
3012 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
3013 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
3014 (tree_ssa_dce_loop): Call scev_reset.
3017 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
3018 * tree-ssa-dce.c: Include cfgloop.h.
3019 (tree_ssa_dce_loop, pass_dce_loop): New.
3020 * tree-pass.h (pass_dce_loop): Declare it.
3021 * passes.c (init_optimization_passes): Use it.
3023 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3026 * convert.c (convert_to_real): Revert 2005-10-05 patch.
3027 Only apply the optimization for rounding builtins if the inner
3028 cast is also an extension.
3030 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
3033 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
3034 mark_new_vars_to_rename instead of update_stmt.
3036 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
3038 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
3040 2005-10-11 Jakub Jelinek <jakub@redhat.com>
3042 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
3043 for setting MMX register to 0 rather than mmx.
3045 2005-10-10 Steve Ellcey <sje@cup.hp.com>
3048 * configure.ac: Move gas check from mips specific case to common case.
3049 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
3050 * configure: Regenerate
3051 * doc/install.texi: Update.
3053 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3056 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
3058 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
3060 * gcc.c (do_spec_1): Accept numeric characters in file name
3063 2005-10-10 Nick Clifton <nickc@redhat.com>
3065 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
3066 describing the deleted arm_gen_rotated_half_load function.
3068 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
3070 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
3073 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
3075 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
3077 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
3078 (EXTRA_MULTILIB_PARTS): Define.
3079 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3080 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3081 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
3082 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3083 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3084 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
3086 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
3088 PR tree-optimization/24226
3089 * tree-cfg.c (remove_bb): Clean up unreachable loops.
3090 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
3091 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
3094 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3096 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
3098 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
3101 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
3102 Rewrite for no need for the early clobber.
3104 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
3106 Merge from csl-arm-branch:
3107 2005-09-07 Paul Brook <paul@codesourcery.com>
3108 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
3111 2005-04-30 Paul Brook <paul@codesourcery.com>
3112 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
3113 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
3115 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
3116 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
3117 (arm_override_options): Use TARGET_AAPCS_BASED.
3118 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
3119 (PTRDIFF_TYPE): Use int for AAPCS.
3120 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
3121 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
3122 (DEFAULT_SHORT_ENUMS): Delete.
3123 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
3125 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
3126 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
3127 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
3128 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
3130 2004-12-03 Mark Mitchell <mark@codesourcery.com>
3131 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
3133 2004-11-22 Mark Mitchell <mark@codesourcery.com>
3134 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
3136 2004-11-19 Mark Mitchell <mark@codesourcery.com>
3137 * config.gcc (arm*-*-linux-gnueabi): Add it.
3138 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
3140 (TARGET_OS_CPP_BUILTINS): Likeiwse.
3141 * config/arm/linux-eabi.h: New file.
3142 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
3143 (LINUX_TARET_LINK_SPEC): Likewise.
3144 (LINK_SPEC): Use it.
3145 * config/arm/t-linux-eabi: New file.
3147 2005-10-08 Steven Bosscher <stevenb@suse.de>
3150 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
3152 (PARAM_SMS_DFA_HISTORY): Likewise.
3154 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
3157 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
3158 (load_register_parameters): Call it.
3159 (check_sibcall_argument_overlap_1): Likewise.
3160 (store_one_arg): Likewise.
3162 2005-10-07 James E. Wilson <wilson@specifix.com>
3164 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
3165 DImode not VECINT24 for operand 2.
3168 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
3172 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
3173 fr_spill): Use destination_operand for operand 0.
3175 2005-10-07 DJ Delorie <dj@redhat.com>
3177 * varasm.c (output_constant): Limit error to expanding
3180 2005-10-07 Richard Guenther <rguenther@suse.de>
3183 * fold-const.c (fold_binary): Fix operand types during folding
3184 of X op (A, Y). Evaluation order of the side-effects of
3185 X and A are frontend-defined, so ensure we honour that even for
3186 tcc_comparison class operands; eased by removing duplicate code.
3188 2005-10-07 Steve Ellcey <sje@cup.hp.com>
3190 * stor-layout.c (layout_type): Do not allow alignment of array
3191 elements to be greater than their size.
3193 2005-10-07 Steve Ellcey <sje@cup.hp.com>
3195 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
3197 (hppa*-*-linux*): Ditto.
3198 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
3199 * config/host-hpux.c: New.
3200 * config/x-hpux: New.
3201 * config/pa/x-hpux: Remove.
3202 * config/pa/x-linux: Remove.
3203 * config/pa/pa-host.c: Remove.
3205 2005-10-07 Jeff Law <law@redhat.com>
3207 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
3208 determine whether or not to try and thread outgoing edges.
3210 2005-10-07 David Edelsohn <edelsohn@gnu.org>
3212 * config/rs6000/rs6000.md (eqsi_power): New.
3213 (neg_eq0si): Add TARGET_POWER to final condition.
3216 2005-10-06 Richard Henderson <rth@redhat.com>
3218 * config/rs6000/rs6000.c: Revert last change.
3220 2005-10-06 Richard Henderson <rth@redhat.com>
3222 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
3223 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
3225 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
3229 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
3230 out return_label and naked_return_label.
3232 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
3234 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
3237 2005-10-06 Richard Henderson <rth@redhat.com>
3240 * tree-inline.c (declare_return_variable): Handle modify_dest not
3243 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
3245 Fix PR tree-optimization/22488
3246 * tree-ssa-structalias.c (check_for_overlaps): New function.
3247 (create_variable_info_for): Use it.
3249 2005-10-06 Richard Henderson <rth@redhat.com>
3252 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
3253 (dwarf2out_start_source_file): Print it.
3255 2005-10-06 Geoffrey Keating <geoffk@apple.com>
3257 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
3259 2005-10-06 Richard Henderson <rth@redhat.com>
3262 * mode-switching.c (optimize_mode_switching): Clear transp bit
3263 for block with incomming abnormal edges.
3265 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
3266 (fpscr_set_from_mem): Use them.
3267 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
3268 (fpscr postinc splitters): Rewrite as peephole2+split.
3270 2005-10-06 David Edelsohn <edelsohn@gnu.org>
3272 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
3273 (eq<mode>_compare): Same.
3275 2005-10-06 Richard Guenther <rguenther@suse.de>
3277 PR tree-optimization/24238
3278 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
3280 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
3282 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
3283 here. Use AC_PATH_PROG for environment variables instead of
3285 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
3287 * configure: Regenerated.
3289 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
3292 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
3293 then force it into a register.
3294 (call_value): Likewise.
3296 2005-10-06 Richard Henderson <rth@redhat.com>
3299 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
3300 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
3301 under pass_vectorize.
3303 2005-10-05 Devang Patel <dpatel@apple.com>
3306 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
3307 handling constants. Check NAMESPACE_DECL context for constants.
3309 2005-10-05 Eric Christopher <echristo@apple.com>
3311 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
3313 2005-10-05 Richard Henderson <rth@redhat.com>
3316 * tree-cfg.c (mark_array_ref_addressable_1): New.
3317 (mark_array_ref_addressable): New.
3318 * tree-flow.h (mark_array_ref_addressable): Declare.
3319 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
3321 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
3325 * reload.c (subst_reloads): When adding a REG_LABEL to a
3326 jump instruction, also update JUMP_LABEL.
3328 2005-10-05 David Edelsohn <edelsohn@gnu.org>
3330 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
3331 * bb-reorder.c (copy_bb_p): Use it.
3332 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
3334 2005-10-05 Richard Henderson <rth@redhat.com>
3337 * toplev.c (process_options): Warn about unsupported combinations
3338 of unwind tables and omit-frame-pointer.
3339 * config/i386/i386.c (override_options): Similarly. Enable
3340 accumulate-outgoing-args if not explicitly disabled.
3342 2005-10-05 Steve Ellcey <sje@cup.hp.com>
3344 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
3345 Handle big endian vs. small endian.
3346 (vec_initv2sf): Handle big endian vs. small endian.
3347 (*vec_extractv2sf_1): Ditto.
3349 2005-10-05 Dale Johannesen <dalej@apple.com>
3351 * convert.c (convert_to_real): Don't convert
3352 (float)floor(double d) to floorf((float)d).
3354 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
3356 * config/arm/arm.md (insv): Use gen_int_mode in more places.
3358 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
3360 PR tree-optimization/18587
3361 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
3362 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
3363 build_vuses): Change to VEC type.
3364 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
3365 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
3366 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
3367 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
3368 (get_name_decl): New. Return DECL_UID of base variable.
3369 (operand_build_cmp): New. qsort comparison routine.
3370 (operand_build_sort_virtual): New. Sort virtual build vector.
3371 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
3372 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
3373 (FINALIZE_BASE): Use get_name_decl.
3374 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
3375 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
3376 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
3377 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
3378 direct VEC_* manipulations.
3379 (build_ssa_operands): Call operand_build_sort_virtual.
3380 (copy_virtual_operand, create_ssa_artficial_load_stmt,
3381 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
3382 with direct VEC_* manipulations.
3383 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
3384 with direct VEC manipulations.
3386 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
3388 PR tree-optimization/21419
3389 PR tree-optimization/24146
3390 PR tree-optimization/24151
3392 * c-typeck.c (readonly_error): Handle USE being lv_asm.
3393 (build_asm_expr): Call it if outputs are read-only.
3394 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
3396 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
3397 Paolo Bonzini <bonzini@gnu.org>
3401 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
3402 enable the instructions and not just the built-ins.
3403 * doc/invoke.texi (x86 Options): Likewise.
3405 2005-10-04 Geoffrey Keating <geoffk@apple.com>
3407 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
3409 * doc/invoke.texi (Option Summary): Correct spelling
3410 of -mmacosx-version-min.
3412 2005-10-04 Devang Patel <dpatel@apple.com>
3414 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
3417 2005-10-04 Steve Ellcey <sje@cup.hp.com>
3419 * tree-vect-transform.c (vect_create_epilog_for_reduction):
3420 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
3422 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
3424 * config/s390/s390.md ("TDSI","DP"): New mode macros.
3425 ("TE","tg"): New mode attributes.
3426 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
3427 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
3428 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
3429 dword_mode and one for GPRmode.
3431 2005-10-04 Ian Lance Taylor <ian@airs.com>
3433 PR preprocessor/13726
3434 * c-ppoutput.c (cb_include): Add comments parameter, and print out
3435 any comments passed in.
3437 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3439 * tree.c (annotate_with_file_line): Fix typo.
3441 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3444 * builtins.c (fold_builtin_memcmp): When constructing the pointer
3445 type used to access data in the inlined length == 1 case, use
3446 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
3447 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
3449 2005-10-04 Uros Bizjak <uros@kss-loka.si>
3451 * config/i386/i386.h (TARGET_FISTTP): Enable also for
3452 TARGET_SSE3 and only for TARGET_80387.
3453 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
3454 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
3455 Do not depend on TARGET_80387.
3457 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3459 * tree.c (last_annotated_node): Change type to location_t*.
3460 (annotate_with_file_line): Reflect the change of
3461 last_annotated_node type.
3463 2005-10-04 Richard Guenther <rguenther@suse.de>
3466 * c-decl.c (grokdeclarator): Don't write to fields
3469 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3472 * c-decl.c (finish_decl): Use set_user_assembler_name even for
3474 * varasm.c (make_decl_rtl): If a register variable does not
3475 have a set user assmbler name, error out.
3476 Decode the asmspec is now name+1 bypassing '*'.
3478 2005-10-04 Steven Bosscher <stevenb@suse.de>
3480 PR tree-optimization/23049
3481 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
3482 of a COND_EXPR is folded before calling fold on the whole rhs of a
3483 conditional assignment.
3484 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
3485 document that a COND_EXPR may appear there.
3487 2005-10-03 Diego Novillo <dnovillo@redhat.com>
3490 * tree-vrp.c (extract_range_from_assert): If the new numeric
3491 range created out of the assertion contradicts the existing
3492 numeric range of the ASSERT_EXPR variable, make the new range
3495 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
3497 * config/sh/sh.c (sh_register_move_cost): Add case for moving
3498 from T_REGS to FP register class.
3500 2005-10-03 Richard Henderson <rth@redhat.com>
3503 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
3504 before creating a new one.
3506 2005-10-03 David Edelsohn <edelsohn@gnu.org>
3508 * config/rs6000/t-aix43 (LDFLAGS): New.
3509 * config/rs6000/t-aix52 (LDFLAGS): New.
3511 2005-10-03 Ian Lance Taylor <ian@airs.com>
3513 * gimplify.c (find_single_pointer_decl_1): New static function.
3514 (find_single_pointer_decl): New static function.
3515 (internal_get_tmp_var): For a formal variable, set restrict base
3516 information if appropriate.
3517 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
3519 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
3520 (DECL_GET_RESTRICT_BASE): Define.
3521 (SET_DECL_RESTRICT_BASE): Define.
3522 (decl_restrict_base_lookup): Declare.
3523 (decl_restrict_base_insert): Declare.
3524 (struct tree_decl_with_vis): Add based_on_restrict_p field.
3525 * tree.c (restrict_base_for_decl): New static variable.
3526 (init_ttree): Initialize restrict_base_for_decl.
3527 (copy_node_stat): Copy restrict base information.
3528 (decl_restrict_base_lookup): New function.
3529 (decl_restrict_base_insert): New function.
3530 (print_restrict_base_statistics): New static function.
3531 (dump_tree_statistics): Call print_restrict_base_statistics.
3533 2005-10-02 Diego Novillo <dnovillo@redhat.com>
3536 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
3537 case of anti-ranges.
3539 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
3542 * c-typeck.c (tagged_tu_seen): Rename to ...
3543 (tagged_tu_seen_cache): this and add val field.
3544 (comptypes): Move functional to comptypes_internal
3545 and free tagged_tu_seen.
3546 (comptypes_internal): New function and call comptypes_internal
3547 instead of comptypes. Speed up by sibcalling
3548 tagged_types_tu_compatible_p.
3549 (alloc_tagged_tu_seen): New function
3550 (free_all_tagged_tu_seen_up_to): New function.
3551 (tagged_types_tu_compatible_p): Return the val of the seen two
3553 Add that the two types are the same to tagged_tu_seen_base
3554 if they are and call comptypes_internal instead of comptypes.
3555 <case UNION_TYPE>: Speed up common type where the fields are
3557 (function_types_compatible_p): Call comptypes_internal instead of
3559 (type_lists_compatible_p): Likewise.
3560 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
3562 2005-10-02 Matthias Klose <doko@debian.org>
3564 * doc/invoke.texi: Fix typo and speling error.
3566 2005-10-01 Richard Henderson <rth@redhat.com>
3568 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
3570 2005-10-01 Mark Mitchell <mark@codesourcery.com>
3572 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
3573 using --start-group and --end-group.
3575 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3577 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
3578 FIXME note regarding quirky semantics.
3580 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3583 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
3584 non-null range as a last resort.
3586 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
3587 Diego Novillo <dnovillo@redhat.com>
3590 * tree-vrp.c (extract_range_from_assert): For !=
3591 assertions, only build an anti-range if LIMIT is a
3592 single-valued range.
3594 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
3596 * arm.md (movqi): On thumb when optimizing, handle loading from
3597 memory by describing this as taking a subreg of a zero-extended load
3598 into an SImode register.
3601 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
3603 * reload1.c (merge_assigned_reloads): Do not change any
3604 RELOAD_FOR_OUTPUT_ADDRESS reloads.
3606 2005-09-30 Geoffrey Keating <geoffk@apple.com>
3608 * Makefile.in (LIPO_FOR_TARGET): Define.
3609 (STRIP_FOR_TARGET): Define.
3611 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
3612 before creating new ones. Do symlinks before creating the actual
3615 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
3616 to work out which multilibs are actually being built.
3618 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
3620 * tree-vect-transform.c, config/ms1/ms1.md,
3621 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
3622 Follow spelling conventions.
3623 * doc/invoke.texi, doc/md.texi: Fix typos.
3625 2005-09-30 Andrew Macleod <amacleod@redat.com>
3627 PR tree-optimization/21430
3628 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
3629 use operands, and set stmt pointer if need be.
3630 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
3631 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
3634 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3637 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
3639 2005-09-29 Mark Mitchell <mark@codesourcery.com>
3641 * optabs.c (expand_binop): Initialize first_pass_p.
3643 2005-09-29 Jakub Jelinek <jakub@redhat.com>
3646 * c-decl.c (c_write_global_declarations_1): If any
3647 wrapup_global_declaration_2 call returned true, restart the loop.
3649 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
3651 Fix PR tree-optimization/24117
3652 * tree-ssa-structalias.c (find_func_aliases): Strip nops
3653 before considering whether to use anyoffset.
3655 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3659 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3661 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3663 (swap_commutative_operands_with_target): New.
3665 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3668 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
3671 2005-09-29 Steven Bosscher <stevenb@suse.de>
3673 PR tree-optimization/23911
3674 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
3675 and IMAGPART_EXPR too.
3677 2005-09-28 Mark Mitchell <mark@codesourcery.com>
3680 * expmed.c (expand_shift): Move logic to reverse rotation
3681 direction when rotating by constants ...
3682 * optabs.c (expand_binop): ... here.
3683 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
3684 (ix86_rotrdi3): New pattern.
3685 (rotldi3): Handle 32-bit mode.
3686 (ix86_rotldi3): New pattern.
3688 2005-09-29 Alan Modra <amodra@bigpond.net.au>
3691 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
3692 check for numbers that need no bit twiddle.
3694 2005-09-28 Geoffrey Keating <geoffk@apple.com>
3696 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
3697 multilib to be built.
3699 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
3700 (stage1-start): Delete old libgcc and libunwind before moving
3701 anything into the stage directory.
3702 (stage2-start): Likewise.
3703 (stage3-start): Likewise.
3704 (stage4-start): Likewise.
3705 (stageprofile-start): Likewise.
3706 (stagefeedback-start): Likewise.
3707 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
3708 header in tm_file and CPU-specific t-darwin in tmake_file.
3709 (i[34567]86-*-darwin*): Don't change tm_file.
3710 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
3711 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
3712 shared library stub for target OS version.
3713 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
3714 (SHLIB_LINK): Don't make SHLIB_SOLINK.
3715 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
3716 (libgcc_s.%.dylib): New.
3718 (install-darwin-libgcc-stubs): New.
3719 (INSTALL_LIBGCC): New append.
3720 * config/i386/darwin-libgcc.10.4.ver: New.
3721 * config/i386/darwin-libgcc.10.5.ver: New.
3722 * config/i386/t-darwin: New.
3723 * config/rs6000/darwin-libgcc.10.4.ver: New.
3724 * config/rs6000/darwin-libgcc.10.5.ver: New.
3725 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
3726 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
3728 2005-09-28 Paul Brook <paul@codesourcery.com>
3730 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
3733 2005-09-28 Richard Guenther <rguenther@suse.de>
3735 PR tree-optimization/23853
3736 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
3737 host_integerp to verify misalignment value.
3739 2005-09-28 Richard Henderson <rth@redhat.com>
3741 * builtins.c (get_builtin_sync_mode): New.
3742 (expand_builtin_sync_operation): Pass in mode argument.
3743 (expand_builtin_compare_and_swap): Likewise.
3744 (expand_builtin_lock_test_and_set): Likewise.
3745 (expand_builtin_lock_release): Likewise.
3746 (expand_builtin): Update to match.
3748 2005-09-28 Nick Clifton <nickc@redhat.com>
3750 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
3751 formatting. Add check to PLUS case to ensure that the offset is
3752 within an acceptable range.
3754 * config/v850/v850.md (casesi): Disable the generation of the
3755 switch pattern as it is not being handled properly at the moment.
3757 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
3758 for when the high words are identical.
3760 2005-09-27 Richard Henderson <rth@redhat.com>
3762 * pretty-print.c (pp_base_format): Fix typo for %>.
3764 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
3765 Devang Patel <dpatel@apple.com>
3767 PR tree-optimization/23625
3768 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
3769 LABEL_EXPR, assertion check.
3771 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
3773 * optabs.c (no_conflict_move_test): Check if a result of a
3774 to-be-moved insn would be clobbered by an originally
3777 2005-09-27 Jeff Law <law@redhat.com>
3779 * passes.c (init_optimization_passes): Replace copy propagation
3780 passes immediately after DOM with phi-only copy propagation
3781 pases. Add phi-only copy propagation pass after first DOM pass.
3782 * tree-pass.h (pass_phi_only_copy_prop): Declare.
3783 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
3784 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
3785 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
3786 to init_copy_prop. Callers updated.
3787 (do_phi_only_copy_prop): New function.
3788 (pass_phi_only_copy_prop): New pass descriptor.
3790 2005-09-27 Nick Clifton <nickc@redhat.com>
3792 * libgcc2.c (__popcount_tab): Remove redundant prototype.
3794 2005-09-26 Jason Merrill <jason@redhat.com>
3797 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
3799 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
3801 2005-09-26 James E Wilson <wilson@specifix.com>
3803 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
3804 copyright. Add gcc copyright plus libgcc exception.
3805 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
3807 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
3809 2005-09-26 Jeff Law <law@redhat.com>
3811 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
3812 about when to iterate.
3814 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
3817 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
3818 for __complex__ double in -mcpu=G5 mode.
3820 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
3822 PR tree-optimization/23942
3823 * Makefile.in (SCEV_H): Depends on PARAMS_H.
3824 * tree-scalar-evolution.c: Include params.h.
3826 (follow_ssa_edge, follow_ssa_edge_in_rhs,
3827 follow_ssa_edge_in_condition_phi_branch,
3828 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
3829 Change return type to t_bool. Use a parameter to limit the size of
3830 trees that are walked before stopping
3831 (analyze_evolution_in_loop): Initialize the limit to 0.
3832 (follow_ssa_edge): Give up by returning t_dont_know if the limit
3833 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3835 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3838 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
3839 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
3841 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
3843 * combine.c (make_extraction): Check for valid use of subreg.
3845 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3848 * config/i386/i386.md ("*fistdi2_1"): New pattern.
3849 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
3850 ("fist<mode>2_with_temp"): Use only register operands.
3852 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
3854 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
3855 CALL_INSN_FUNCTION_USAGE.
3857 2005-09-26 Richard Guenther <rguenther@suse.de>
3860 * gcse.c: Include hashtab.h, define ldst entry hashtable.
3861 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
3862 (ldst_entry): Use the hashtable instead of list-walking.
3863 (find_rtx_in_ldst): Likewise.
3864 (free_ldst_entry): Free the hashtable.
3865 (compute_ld_motion_mems): Create the hashtable.
3866 (trim_ld_motion_mems): Remove entry from hashtable if
3867 removing it from list.
3868 (compute_store_table): Likewise^2.
3869 (store_motion): Free hashtable in case we did not see
3872 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
3874 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
3875 and arg1 if we are passing them to fold_build2.
3877 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
3880 * config/i386/i386.c (ix86_function_regparm): Fix the test for
3883 2005-09-25 Richard Henderson <rth@redhat.com>
3885 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
3886 SYMBOL_REF_TLS_MODEL to be correct.
3888 2005-09-24 Richard Henderson <rth@redhat.com>
3890 * ipa-type-escape.c (discover_unique_type): Remove dead code at
3891 end of function. Reindent.
3893 2005-09-24 Ian Lance Taylor <ian@airs.com>
3895 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
3896 NEGATE_EXPR/BIT_NOT_EXPR case.
3898 2005-09-24 Richard Henderson <rth@redhat.com>
3900 * c-common.c (handle_mode_attribute): When not modifying in place,
3901 create subtypes for enumerations.
3902 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
3903 * gimplify.c (create_tmp_from_val): Likewise.
3905 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
3907 * config/i386/i386.md (*tls_global_dynamic_64,
3908 *tls_local_dynamic_base_64): Add missing mode to call.
3909 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
3911 2005-09-24 Jan Hubicka <jh@suse.cz>
3913 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
3914 (cgraph_clone_node): Likewise.
3915 * cgraph.h (cgraph_clone_edge): Update prototype.
3916 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
3917 duplicated prototypes; add updating argument.
3918 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
3919 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
3921 (cgraph_mark_inline_edge): Likewise.
3922 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
3923 (cgraph_flatten_node): Likewise.
3924 (cgraph_decide_recursive_inlining): Likewise.
3925 (cgraph_decide_inlining_of_small_function): Likewise.
3926 * tree-optimize.c (tree_rest_of_compilation): Likewise.
3928 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3929 Pete Steinmetz <steinmtz@us.ibm.com>
3931 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
3932 (rldic.): Set type to "compare".
3934 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
3935 mfjmpr for MFCTR/MFLR.
3936 (movdf_hardfloat64): Same.
3937 (movdf_softfloat64): Same. Correct order of store and move types.
3938 (movti_string): Set type to store_ux/load_ux.
3939 (load_multiple): Set type to load_ux.
3940 (store_multiple): Set type to store_ux.
3941 (movmemsi): Set type to store_ux.
3942 (output_cbranch direct_return): Set type to jmpreg.
3943 (stmw): Set type to store_ux.
3944 (lmw): Set type to load_ux.
3945 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
3946 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
3947 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
3948 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
3949 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
3950 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
3951 (rios1-fpstore): Increase latency to 3.
3952 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
3953 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
3955 2005-09-23 David Edelsohn <edelsohn@gnu.org>
3956 Andrew Pinski <pinskia@physics.uc.edu>
3958 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
3959 operand2 constraint to "b".
3960 (sync_<fetchop_name>di_internal): Same.
3961 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
3963 (sync_old_<fetchop_name>di_internal): Same.
3964 (sync_new_<fetchop_name>si_internal): Same.
3965 (sync_new_<fetchop_name>di_internal): Same.
3967 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
3970 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
3971 case, define as macros.
3973 PR rtl-optimization/23837
3974 * optabs.c (no_conflict_move_test): Don't set must_stay for a
3975 clobber / clobber match between dest and p->first.
3977 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
3978 (no_conflict_move_test): Update comments.
3980 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
3982 * doc/install.texi: Update URL for Jacks.
3983 * doc/sourcebuild.texi: Likewise.
3985 2005-09-22 David Edelsohn <edelsohn@gnu.org>
3988 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
3989 registers when choosing register preferences.
3990 (movdf_hardfloat64): Same.
3992 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
3994 * expmed.c (expand_shift): Don't use the target of the rotate as
3995 target for the first expanded shift insn.
3996 * testsuite/gcc.dg/20050922-1.c: Testcase added.
3998 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
4000 PR tree-optimization/22438
4001 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
4002 preserved iv rhs rewriting specially.
4004 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
4006 * tree-data-ref.c (analyze_array_indexes): Only estimate when
4007 estimate_only is true.
4008 * tree-flow.h (ref_contains_indirect_ref): New prototype.
4009 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
4010 tree-ssa-structalias.c
4011 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
4012 ref_contains_indirect_ref.
4013 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
4015 2005-09-21 DJ Delorie <dj@redhat.com>
4017 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
4019 (mn10300_return_in_memory): Support variable size types also.
4020 (mn10300_pass_by_reference): Likewise.
4021 (mn10300_function_value): New.
4022 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
4023 (FUNCTION_OUTGOING_VALUE): Likewise.
4024 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
4025 * doc/invoke.texi: Document it.
4027 2005-09-21 Uros Bizjak <uros@kss-loka.si>
4030 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
4031 force integer op1 into register for XFmode compares.
4033 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4036 * expmed.c (alg_code): Add alg_impossible.
4037 (alg_hash_entry): Add cost.
4038 (synth_mult): Record alg_impossible in the hash table if
4039 multiplication by a given integer is impossble within the
4040 limit. Speed up using alg_impossible.
4042 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
4044 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
4045 argument. Allow and set any offset if needs_anyoffset is passed
4047 (get_constraint_for): Add argument here too.
4049 (do_structure_copy): Pass NULL to get_constraint_for.
4050 (handle_ptr_arith): Ditto.
4051 (find_func_aliases): Ditto.
4053 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
4055 PR rtl-optimization/23898
4056 * output.h (get_attr_min_length): Declare.
4057 * final.c (get_attr_length_1): New function, broken out of:
4059 (get_attr_min_length): New function.
4060 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
4061 (duplicate_computed_gotos): Likewise.
4062 * genattr.c (insn_min_length): Generate declaration.
4063 * genattrtab.c (min_fn, min_attr_value): New functions.
4064 (make_length_attrs): Generate insn_min_length.
4066 2005-09-20 Steve Ellcey <sje@cup.hp.com>
4068 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
4070 2005-09-20 Richard Henderson <rth@redhat.com>
4072 PR tree-optimization/24059
4073 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
4076 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
4078 * c.opt (fextended-identifiers): New.
4079 * c-opts.c (c_common_handle_option): Handle
4080 -fextended-identifiers.
4081 * doc/cpp.texi: Update documentation of extended identifiers.
4082 * doc/cppopts.texi (-fextended-identifiers): Document.
4084 2005-09-20 Jakub Jelinek <jakub@redhat.com>
4086 PR tree-optimization/23929
4087 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
4090 PR tree-optimization/23818
4091 * tree-stdarg.c (execute_optimize_stdarg): Call
4092 calculate_dominance_info.
4094 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
4096 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
4097 (analyze_siv_subscript_cst_affine): Add weak SIV test.
4098 (compute_overlap_steps_for_affine_1_2): Use
4099 get_number_of_iters_for_loop.
4100 (analyze_subscript_affine_affine): Check whether difference is
4102 Use get_number_of_iters_for_loop.
4103 Check whether overlap occurs outside of bounds.
4104 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
4106 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
4108 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
4109 base register if possible.
4111 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
4113 PR tree-optimization/18463
4114 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
4115 converting it directly is not possible.
4116 (chrec_convert_aggressive): New function.
4117 * tree-chrec.h (chrec_convert_aggressive): Declare.
4118 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
4119 Fold chrec conversions aggressively if asked to.
4120 (instantiate_parameters): Modified because of changes in
4121 instantiate_parameters_1.
4123 2005-09-19 Richard Henderson <rth@redhat.com>
4125 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
4126 (reduc_splus_v2df): New.
4128 2005-09-19 Richard Sandiford <richard@codesourcery.com>
4130 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
4131 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
4133 2005-09-19 Richard Henderson <rth@redhat.com>
4135 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
4138 2005-09-19 Richard Henderson <rth@redhat.com>
4140 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
4141 (ia64_expand_dot_prod_v8qi): New.
4142 * config/ia64/ia64-protos.h: Update.
4143 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
4144 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
4145 sdot_prodv8qi, sdot_prodv4hi): New.
4146 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
4148 2005-09-19 Richard Henderson <rth@redhat.com>
4151 * real.c (exact_real_truncate): Return false if the format cannot
4152 represent the number as a normal.
4154 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
4155 for a memory source.
4157 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
4159 * tree-ssa-operands.c (swap_tree_operands): Export.
4160 * tree.h (swap_tree_operands): Declare.
4161 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
4162 Call swap_tree_operands.
4164 2005-09-19 Richard Henderson <rth@redhat.com>
4166 * tree-flow.h (merge_alias_info): Declare.
4167 * tree-ssa-copy.c (merge_alias_info): Export.
4168 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
4169 (vect_create_data_ref_ptr): Use create_iv directly.
4170 (vectorizable_load): Use correct types for integer constants.
4171 (vect_generate_tmps_on_preheader): Likewise.
4172 (vect_gen_niters_for_prolog_loop): Likewise.
4174 2005-09-19 Steven Bosscher <stevenb@suse.de>
4176 PR rtl-optimization/23943
4177 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
4179 2005-09-18 Jan Hubicka <jh@suse.cz>
4181 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
4183 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
4185 * varasm.c (output_constant): Do not abort on conversions to union
4186 types between different sizes.
4188 2005-09-18 Richard Guenther <rguenther@suse.de>
4191 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
4194 2005-09-18 Paul Brook <paul@codesourcery.com>
4196 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
4198 2005-09-17 Richard Henderson <rth@redhat.com>
4200 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
4201 * tree-ssa-loop.c (pass_vect_dce): Remove.
4202 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
4205 2005-09-17 Richard Henderson <rth@redhat.com>
4207 * tree-pass.h (pass_vect_dce): Declare.
4208 * passes.c (init_optimization_passes): Add it.
4209 * tree-flow.h (tree_ssa_dce): Declare.
4210 * tree-ssa-dce.c (tree_ssa_dce): Export.
4211 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
4212 (gate_tree_vectorize): ... here.
4213 (pass_vect_dce): New.
4215 2005-09-17 Jan Hubicka <jh@suse.cz>
4217 * except.c (struct eh_status): Turn region_array into vec.
4218 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
4219 convert_from_eh_region_ranges, find_exception_handler_labels,
4220 current_function_has_exception_handlers, assign_filter_values,
4221 build_post_landing_pads, dw2_build_landing_pads,
4222 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
4223 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
4224 foreach_reachable_handler, can_throw_internal_1,
4225 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
4227 (duplicate_eh_region_1): Update region_array.
4228 (duplicate_eh_regions): Resize region_array and avoid recomputing.
4230 2005-09-17 David Edelsohn <edelsohn@gnu.org>
4233 * expmed.c (expand_mult): Substitute simple register for op0 when
4236 2005-09-17 Richard Henderson <rth@redhat.com>
4238 * expr.c (emit_move_via_integer): Add force argument, pass it on
4239 to emit_move_change_mode. Update callers.
4240 (emit_move_complex): Pass true to new force argument.
4241 * function.c (expand_function_end): Move expand_eh_return call
4242 earlier. Merge sub-word complex values into a pseudo before
4243 copying to the return hard register.
4245 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
4247 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
4248 between different sizes.
4250 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
4254 * passes.c (init_optimization_passes): Register dump files for
4257 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
4259 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
4260 * config/s390/s390.c (s390_overlap_p): New function.
4261 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
4262 peephole2, "*xc" peephole2): Added overlap check to the peephole2
4265 2005-09-16 Richard Guenther <rguenther@suse.de>
4267 * ipa-pure-const.c (static_execute): Free auxiliar information.
4268 * ipa-type-escape.c (discover_unique_type): Free temporary key.
4269 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
4271 2005-09-15 DJ Delorie <dj@redhat.com>
4273 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
4275 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
4277 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4279 (swap_commutative_operands_with_target): New.
4281 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
4283 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
4286 (estimate_iters_using_array): New function.
4287 * tree-data-ref.h (estimate_iters_using_array): Prototype
4288 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4289 Use estimate_iters_using_array instead of analyze_array.
4291 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
4293 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
4296 2005-09-15 Michael Matz <matz@suse.de>
4298 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
4300 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
4302 PR tree-optimization/23835
4303 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
4304 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
4306 2005-09-14 Richard Henderson <rth@redhat.com>
4308 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
4309 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
4311 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
4313 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
4314 in the ARRAY_TYPE case.
4316 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
4318 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
4320 2005-09-14 Uros Bizjak <uros@kss-loka.si>
4323 * tree-vect-transform.c (vectorizable_operation): Return false for
4324 scalar shift operations and for vector shift operations with
4325 non-invariant shift arguments. Use scalar tree operand op1 as
4326 a shift operand when vector shift insn pattern uses scalar shift
4328 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
4330 2005-09-14 Olivier Hainque <hainque@adacore.com>
4332 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
4333 value if it has side-effects.
4335 2005-09-14 David Edelsohn <edelsohn@gnu.org>
4338 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
4340 2005-09-14 Alan Modra <amodra@bigpond.net.au>
4342 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
4343 passed as NAME as if it were label at start of function code.
4345 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
4347 * config/sh/sh.md (*movv4sf_i): Add general register cases to
4350 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4352 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
4353 as early clobber. Rewrite so the PIC register is not implicitly used.
4355 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4357 * tree.c (annotate_with_file_line): Compare line numbers before
4360 2005-09-13 Uros Bizjak <uros@kss-loka.si>
4363 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
4364 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
4366 2005-09-13 Ian Lance Taylor <ian@airs.com>
4368 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
4369 than a HOST_WIDEST_INT to gen_doloop_begin.
4371 2005-09-13 Diego Novillo <dnovillo@redhat.com>
4373 * tree-dfa.c (dump_variable): Guard against NULL annotations.
4375 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
4377 PR tree-optimize/23817
4378 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
4380 2005-09-13 Alan Modra <amodra@bigpond.net.au>
4383 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
4384 word before changing the stack pointer. Use gen_frame_mem for MEMs.
4385 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
4386 (restore_stack_nonlocal): Likewise.
4387 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
4389 2005-09-12 Ian Lance Taylor <ian@airs.com>
4392 * c.opt (ffriend-injection): New C++ option.
4393 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
4394 (C++ Dialect Options): Document -ffriend-injection.
4396 2005-09-12 Josh Conner <jconner@apple.com>
4399 * ipa-reference.c (static_execute): Don't mark variables in
4400 named sections TREE_READONLY.
4402 2005-09-12 Alan Modra <amodra@bigpond.net.au>
4404 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
4407 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4409 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
4410 V_MUST_DEF instead of just the first_use_p.
4411 Don't mark the virtual variables for renaming on the statement which
4413 (pass_dse): Remove TODO_update_ssa.
4415 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
4418 * stor-layout.c (compute_record_mode): For records with a single
4419 field, actually check the field's mode size against the type size.
4421 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
4422 registers for TARGET_SHMEDIA.
4423 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
4424 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
4425 of GENERAL_REGS and FP_REGS.
4427 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
4429 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
4431 2005-09-12 Alan Modra <amodra@bigpond.net.au>
4433 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
4434 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
4435 are omitted. Exclude stack_tie insn too.
4437 2005-09-11 David Edelsohn <edelsohn@gnu.org>
4439 PR rtl-optimization/23098
4440 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
4442 * config/rs6000/rs6000.md (movdf splitter): Use
4443 const_double_operand predicate for TARGET_POWERPC64.
4444 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
4445 SYMBOL_REF method to ABI_V4.
4447 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
4448 replace_equiv_address.
4449 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
4450 rs6000_sr_alias_set and MEM_NOTRAP.
4451 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
4453 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
4455 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
4456 handle CALL_EXPR again.
4458 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
4460 * arm/predicates.md (alignable_memory_operand): Delete.
4462 2005-09-10 Richard Henderson <rth@redhat.com>
4465 * dbxout.c (dbxout_expand_expr): New.
4466 (dbxout_symbol): Use it.
4468 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
4470 * arm.c (arm_gen_rotated_half_load): Delete.
4471 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
4472 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
4473 (thumb_set_return_address): Likewise.
4474 (thumb_load_double_from_address): Use adjust_address.
4475 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
4476 (extendhsisi2_mem, movhi_bytes): Use change_address.
4477 (movhi): Use widen_memory_access.
4478 (reload_out_df): Use replace_equiv_address.
4479 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
4481 2005-09-09 Richard Henderson <rth@redhat.com>
4484 * dbxout.c: Include expr.h.
4485 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
4486 (dbxout_symbol): Handle DECL_VALUE_EXPR.
4487 * Makefile.in (dbxout.o): Add EXPR_H.
4489 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
4491 PR tree-optimization/23509
4492 * tree-cfg.c (replace_uses_by): Use replace_exp.
4493 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
4494 pointers have name_mem_tag or type_mem_tag set.
4496 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4498 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
4499 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
4500 of wrongly accessing operands.
4502 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4504 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
4505 * tree-chrec.c: Include tree-scalar-evolution.h.
4506 (chrec_convert): Instantiate the base and step before calling
4507 scev_probably_wraps_p that would fail on parametric evolutions.
4508 Collect all the fails into a single section failed_to_convert,
4509 print a diagnostic, and return chrec_dont_know instead of calling
4511 * tree-scalar-evolution.c (loop_closed_phi_def): New.
4512 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
4514 (scev_const_prop): Don't replace the definition of a loop closed ssa
4515 phi node by itself, or by another loop closed ssa phi node.
4516 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
4517 that base and step are defined.
4519 2005-09-09 Richard Guenther <rguenther@suse.de>
4522 * fold-const.c (fold_ternary): Check truth_value_p before
4523 calling invert_truthvalue.
4525 2005-09-09 Nick Clifton <nickc@redhat.com>
4527 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
4528 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
4529 dimension of these arrays.
4530 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
4532 * longlong.h: Only provide a prototype for the __clz_tab[] array
4533 if this header has not been included from libgcc2.h.
4534 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
4536 Provide prototypes for exported functions.
4537 Use the __clz_tab[] and __popcount_tab[] arrays provided by
4540 2005-09-08 Josh Conner <jconner@apple.com>
4544 * expr.c (expand_expr_addr_expr_1): Don't invoke
4545 expand_simple_binop for EXPAND_INITIALIZER.
4547 2005-09-08 Richard Henderson <rth@redhat.com>
4550 * toplev.c (wrapup_global_declaration_1): Split out ...
4551 (wrapup_global_declaration_2): ... from ...
4552 (wrapup_global_declarations): ... here. Return bool.
4553 (check_global_declaration_1): Split out ...
4554 (check_global_declarations): from here.
4555 (emit_debug_global_declarations): New.
4556 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
4557 check_global_declaration_1, emit_debug_global_declarations): Declare.
4558 * c-decl.c (c_write_global_declarations_1): Don't create a vector
4559 of decls. Call wrapup_global_declaration_1,
4560 wrapup_global_declaration_2, check_global_declaration_1 directly.
4561 (c_write_global_declarations_2): New.
4563 (c_write_global_declarations): Call c_write_global_declarations_2.
4564 * langhooks.c (write_global_declarations): Call
4565 emit_debug_global_declarations.
4567 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
4568 remove decls that have DECL_RTL_SET_P.
4569 * passes.c (rest_of_decl_compilation): Invoke
4570 cgraph_varpool_finalize_decl for all but functions.
4572 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
4574 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
4575 the result of a conversion if the new min and max cannot be compared.
4577 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
4579 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
4580 (override_options): Setting s390_sr_alias_set removed.
4581 (save_fpr, save_gprs): Set alias set to vararg or frame.
4582 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
4583 s390_sr_alias_set with get_frame_alias_set ().
4584 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
4585 get_varargs_alias_set ().
4587 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4591 * c-parser.c (c_parser_objc_method_definition): If the next
4592 token is not "{", error out and don't start the function.
4594 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4596 * tree-vrp.c (extract_range_from_expr): Move the check for non
4597 nullness after the check for gimple invariant.
4599 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4601 * tree.c (host_integerp, tree_low_cst): Correct function comment.
4603 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4606 * config/m32r.md (movmemsi_internal): Canonicalize order of
4607 operands in PLUS component of template.
4609 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
4611 * reload1.c (fixup_eh_region_note): Remove assertion.
4612 (fixup_abnormal_edges): Reverted removal of call to
4613 find_many_sub_basic_blocks made on 2005-08-31.
4615 2005-09-07 Richard Henderson <rth@redhat.com>
4617 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
4618 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
4619 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
4620 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
4621 rearrange for better packing.
4622 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
4623 (lookup_cfa_1): Remove inline marker.
4624 (cfa_equal_p): Split out of ...
4625 (def_cfa_1): ... here. Use INVALID_REGNUM.
4626 (build_cfa_loc): Handle !cfa->indirect.
4627 (frame_pointer_cfa_offset): New.
4628 (dbx_reg_number): Assert register elimination performed; do
4629 leaf register remapping.
4630 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
4631 (eliminate_reg_to_offset): New.
4632 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
4633 for verifiably local stack frame addresses; re-base to CFA.
4634 (mem_loc_descriptor): Remove can_use_fbreg argument.
4635 (concat_loc_descriptor, loc_descriptor): Likewise.
4636 (containing_function_has_frame_base): Remove.
4637 (rtl_for_decl_location): Don't do register elimination or
4638 leaf register remapping here.
4639 (secname_for_decl): Split out from ..
4640 (add_location_or_const_value_attribute): ... here.
4641 (convert_cfa_to_loc_list): New.
4642 (compute_frame_pointer_to_cfa_displacement): New.
4643 (gen_subprogram_die): Use them.
4644 * tree.h (frame_base_decl): Remove.
4645 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
4646 (prologue_stack_adjust): Remove.
4647 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
4648 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
4649 (set_frame_base_location): Remove.
4650 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
4651 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
4652 (vt_add_function_parameters): Don't eliminate_regs.
4653 (vt_initialize): Don't create frame_base_decl.
4655 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4657 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
4658 version of GNU binutils for 4.x and later.
4660 2005-09-06 Mark Mitchell <mark@codesourcery.com>
4662 * ggc-page.c (ggc_push_context): Remove.
4663 (ggc_pop_context): Likewise.
4664 * ggc.h (ggc_push_context): Remove.
4665 (ggc_pop_context): Likewise.
4667 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4670 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
4671 returning from an interrupt handler.
4673 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4676 * config/arc/arc.c (output_shift): Add check for loop count when
4679 2005-09-06 Steven Bosscher <stevenb@suse.de>
4681 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
4683 (abs_replacement): Likewise.
4684 (pass_phiopt): Remove TODO_update_ssa.
4686 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4689 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
4690 if "return with no value, in function returning non-void" warning
4692 * tree-cfg.c (execute_warn_function_return): Don't look at
4693 RETURN_EXPRs with TREE_NO_WARNING set.
4696 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
4697 for internal functions doesn't use registers used by global registers
4698 variables. Use fewer register parameters if there are global register
4701 2005-09-06 Olivier Hainque <hainque@adacore.com>
4702 Eric Botcazou <ebotcazou@adacore.com>
4705 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
4706 when we would be extracting outside its bit span (bitpos+bitsize
4707 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
4708 Ada unchecked conversions.
4710 2005-09-06 Steven Bosscher <stevenb@suse.de>
4712 * tree-ssa-pre.c (try_look_through_load): New function.
4713 (compute_avail): Use it to try to look through loads for some
4714 more useful expressions.
4716 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4718 * simplify-rtx.c (simplify_binary_operation_1): Correct the
4719 condition for detecting cases like (a&a) and (a^a).
4721 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
4723 * common.opt: Add option ftree-vect-loop-version.
4724 * params.def: Add --param vect-max-version-checks.
4725 * doc/invoke.texi: Document ftree-vect-loop-version and
4726 --param vect-max-version-checks.
4727 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
4728 may_misalign_stmts and defines for accessors.
4729 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
4730 LOOP_VINFO_MAY_MISALIGN_STMTS.
4731 (destroy_loop_vec_info): VEC_free for
4732 LOOP_VINFO_MAY_MISALIGN_STMTS.
4733 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4734 Update documentation.
4735 (vect_update_misalignment_for_peel): New.
4736 (vect_enhance_data_refs_alignment): Update to choose loop
4737 peeling or loop versioning if appropriate for the (potentially)
4738 unaligned data references in the loop.
4739 (vect_analyze_data_refs_alignment): Remove call to
4740 vect_enhance_data_refs_alignment so the checks can be done
4742 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
4743 and move up call to vect_analyze_data_refs_alignment.
4744 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
4745 (vect_transform_loop): Add call to loop_version.
4747 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4749 PR rtl-optimization/23098
4750 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
4751 * simplify-rtx.c (constant_pool_reference_p): New function.
4752 * rtl.h (constant_pool_reference_p): New prototype.
4753 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
4754 constant_pool_reference_p in condition and
4755 avoid_constant_pool_reference in preparation statements.
4757 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
4759 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
4760 STRICT_LOW_PART SETs.
4762 2005-09-06 Alan Modra <amodra@bigpond.net.au>
4765 * except.c (sjlj_emit_function_enter): Find the function begin
4766 note even when it's not in first basic block.
4768 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
4770 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
4771 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
4772 * aclocal.m4: Regenerate.
4774 2005-09-05 DJ Delorie <dj@redhat.com>
4776 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
4779 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
4781 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
4782 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
4783 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
4784 Follow spelling conventions.
4785 * doc/invoke.texi: Follow spelling conventions.
4787 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4789 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
4790 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
4791 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
4793 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4796 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
4797 (output_stack_adjust): Use gen_tmp_stack_mem.
4798 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
4799 (sh_set_return_address, sh_allocate_initial_value): Likewise.
4800 (sh_get_pr_initial_val): Likewise.
4801 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
4802 (sh_initialize_trampoline): Likewise. Also use adjust_address.
4803 * sh.md (divsi_inv_m0): Use gen_const_mem.
4804 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
4805 (movdf_i4+1): Use gen_tmp_stack_mem.
4806 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
4807 (fpu_switch+2): Likewise.
4808 (movv4sf_i, movv16sf_i): Use adjust_address.
4809 (symGOT_load): Set MEM_NOTRAP_P bit.
4811 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4814 * pa.c (emit_move_sequence): Fix typo in last change.
4816 2005-09-03 Jakub Jelinek <jakub@redhat.com>
4818 PR rtl-optimization/23454
4819 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
4822 2005-09-03 Richard Henderson <rth@redhat.com>
4823 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4826 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
4829 2005-09-02 Nicolas Pitre <nico@cam.org>
4831 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
4832 to bit_count to 32 bits.
4834 2005-08-31 Mark Mitchell <mark@codesourcery.com>
4837 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
4838 generating synthetic loads from volatile lvalues.
4840 005-09-02 Nick Clifton <nickc@redhat.com>
4842 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
4843 __ctzhi2, __clzhi2): New functions.
4845 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
4848 * tree-nested.c (struct var_map_elt): Mark with GTY.
4849 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
4851 (lookup_field_for_decl): Allocate new element in GC memory.
4852 (lookup_tramp_for_decl): Likewise.
4853 (convert_nl_goto_reference): Likewise
4854 (create_nesting_tree): Allocate info in GC memory. Likewise for
4856 (free_nesting_tree): Free with ggc_free instead of free.
4857 (root): New static variable.
4858 (lower_nested_functions): Remove root as local variable. And zero out
4859 root at the end of the function.
4861 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
4863 PR rtl-optimization/20365
4864 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
4865 to short. New member ix.
4866 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
4867 (simplify_plus_minus): Initialize ix members before calling qsort.
4869 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
4871 PR tree-optimization/23626
4872 * tree-cfg.c (replace_uses_by): Clean up eh info.
4874 2005-09-01 DJ Delorie <dj@redhat.com>
4876 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
4879 2005-09-01 David Edelsohn <edelsohn@gnu.org>
4881 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
4882 (rs6000_split_multireg_move): Use replace_equiv_address instead of
4885 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
4887 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
4888 do not issue warning for a variable definition following
4891 2005-09-01 Richard Henderson <rth@redhat.com>
4894 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
4895 conversion to CONST_VECTOR.
4897 2005-09-01 Richard Henderson <rth@redhat.com>
4900 * reload1.c (reload_as_needed): Check !CALL_P before calling
4901 fixup_eh_region_note.
4902 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
4904 2005-09-01 DJ Delorie <dj@redhat.com>
4906 * varasm.c (output_constant): Let the target resolve
4907 conversions of addresses to non-default pointer sizes.
4909 2005-09-01 Nicolas Pitre <nico@cam.org>
4911 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
4912 to alow matching ARM pre-indexed addressing mode.
4913 (arm_override_options): Remove now irrelevant comment.
4915 2005-09-01 Phil Edwards <phil@codesourcery.com>
4917 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
4918 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
4919 * config/i386/vxworks.h: Likewise.
4920 * config/i386/t-vxworksae: New file, for VxWorks AE.
4921 * config/i386/vxworksae.h: Likewise.
4923 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
4925 PR tree-optimization/23410
4926 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
4927 sequence is not wrapping during the first step.
4929 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4932 * dwarf2out.c (base_type_die): Compare char_type_node with
4933 TYPE_MAIN_VARIANT (type), not type.
4935 2005-09-01 Richard Guenther <rguenther@suse.de>
4937 PR tree-optimization/15366
4938 * common.opt: Add -finline-functions-called-once.
4939 Put -fearly-inlining in alphabetically ordered place.
4940 * doc/invoke.texi: Document new option.
4941 * ipa-inline.c (cgraph_decide_inlining): Honour
4942 flag_inline_functions_called_once.
4944 2005-09-01 Jakub Jelinek <jakub@redhat.com>
4946 PR rtl-optimization/23478
4947 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
4948 (alloc_qty): Initialize it.
4949 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
4950 (combine_regs): Combine also n_throwing_calls_crossed fields.
4951 (find_free_reg): Don't attempt to caller-save pseudos crossing
4952 calls that might throw.
4953 * global.c (struct allocno): Add throwing_calls_crossed field.
4954 (global_alloc): Revert 2005-08-22 change. Initialize
4955 throwing_calls_crossed.
4956 (find_reg): Don't attempt to caller-save pseudos crossing calls that
4959 2005-09-01 Alan Modra <amodra@bigpond.net.au>
4962 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
4963 (mask64_operand): Reinstate code prior to 2005-06-11 change.
4964 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
4965 (and64_2_operand): Tweak to use predicate.
4966 (and_operand): Adjust for mask_operand changes.
4967 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
4968 (print_operand): Likewise.
4969 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
4970 (mask64_1or2_operand): Delete.
4971 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
4972 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
4973 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
4974 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
4975 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
4976 (rotldi3_internal4): Likewise.
4977 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
4978 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
4979 (ashldi3_internal7): Likewise.
4980 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
4981 (ashldi3_internal, ashldi3_internal9 split): Likewise.
4982 (anddi3 split): Don't match mask64_operand.
4983 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
4984 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
4985 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
4986 't' splitter predicate.
4987 (movdi_internal64 + 2): Revert 2005-06-11 change.
4989 2005-08-31 DJ Delorie <dj@redhat.com>
4991 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
4992 (m32c_asm_integer): Add support for 32 bit pointers.
4994 2005-08-31 Richard Henderson <rth@redhat.com>
4996 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
4997 component-like references for setting MEM_NOTRAP_P.
4999 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
5000 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
5002 2005-08-31 Richard Henderson <rth@redhat.com>
5004 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
5005 into a pseudo before applying gen_lowpart.
5007 2005-08-31 Geoffrey Keating <geoffk@apple.com>
5009 * doc/install.texi (Specific): Update cctools version required
5010 for full functionality.
5011 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
5012 linkers as -macosx_version_min.
5014 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
5017 * sh.c (print_operand, %R and %S): Add handling of floating point
5018 registers, memory, constants and invalid operands.
5020 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
5022 * ipa-pure-const.c: Change dump name.
5024 2005-08-31 Uros Bizjak <uros@kss-loka.si>
5027 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
5028 to "reg_or_0_operand".
5029 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
5031 2005-08-31 Dale Johannesen <dalej@apple.com>
5033 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
5034 loops that count down.
5036 2005-08-31 Richard Henderson <rth@redhat.com>
5039 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
5040 (fixup_eh_region_note): New.
5041 (reload_as_needed): Call it.
5042 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
5043 don't call find_many_sub_basic_blocks; call verify_flow_info.
5044 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
5045 (keep_stack_depressed): Likewise.
5046 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
5048 2005-08-31 Richard Henderson <rth@redhat.com>
5050 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
5053 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
5055 * expr.c (expand_expr_real_1): Compare size of address
5056 mode to target's address mode size in deciding expansion of
5057 the constant address.
5059 2005-08-31 Richard Guenther <rguenther@suse.de>
5062 * expr.c (all_zeros_p): New function.
5063 (expand_expr_real_1): Handle the case of an all-zero
5064 non-addressable constructor separately.
5066 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
5068 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
5069 arguments, adjust all callers.
5070 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
5072 2005-08-30 Richard Henderson <rth@redhat.com>
5075 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
5076 whenever the mode sizes match.
5078 2005-08-31 Alan Modra <amodra@bigpond.net.au>
5080 * calls.c (load_register_parameters): Fix comment typo.
5081 * expr.c (emit_push_insn): Comment formatting.
5083 2005-08-30 Ian Lance Taylor <ian@airs.com>
5085 * config/i386/x-cygwin (host-cygwin): Change dependency from
5086 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
5088 2005-08-29 Geoffrey Keating <geoffk@apple.com>
5090 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
5093 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5096 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
5097 call to ggc_collect.
5099 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
5102 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
5103 beginning. Remove $(INCLUDES) from all the rules, if following
5104 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
5106 2005-08-29 Jakub Jelinek <jakub@redhat.com>
5109 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
5110 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
5111 not constant, but maxlen is, don't set len to maxlen, rather
5112 set maxlen to len if len is a constant.
5114 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
5116 PR tree-optimization/23475
5117 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
5120 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
5122 Fix PR middle-end/22455
5124 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
5125 Checksum only the parts of the tree that exist for the tree code.
5127 2005-08-28 Dale Johannesen <dalej@apple.com>
5129 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
5131 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
5133 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
5135 2005-08-28 Richard Henderson <rth@redhat.com>
5137 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
5138 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
5141 2005-08-28 Jakub Jelinek <jakub@redhat.com>
5144 * builtins.c (get_memory_rtx): Don't strip nops
5145 in between COMPONENT_REFs.
5147 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
5150 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
5152 (gimplify_modify_expr): Check for zero sized types and gimplify the
5153 rhs and lhs as statements.
5155 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
5158 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
5159 state for return address column of signal frames.
5161 2005-08-27 David Edelsohn <edelsohn@gnu.org>
5164 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
5165 bytes >= 2 not bytes == 2.
5166 (expand_block_move): Same.
5168 2005-08-27 Richard Guenther <rguenther@suse.de>
5171 * config/i386/sse.md (sse2_movsd): Add missing closing
5174 2005-08-27 Paul Brook <paul@codesourcery.com>
5176 * genrecog.c (enum decision_type): Add DT_num_insns.
5177 (struct decision_test): Add u.num_insns.
5178 (add_to_sequence): Add DT_num_insns test.
5179 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
5180 (write_cond, debug_decision_2): Ditto.
5181 (change_state): Assume peep2_next_insn never fails.
5182 Remove "afterward" argument.
5183 (write afterward, write_tree): Update to match.
5184 * recog.c (peep2_current_count): New variable.
5185 (peep2_next_insn): Check it.
5186 (peephole2_optimize): Set peep2_current_count.
5187 * recog.h (peep2_current_count): Declare.
5189 2005-08-26 Josh Conner <jconner@apple.com>
5192 * ipa-pure-const.c (check_tree): Check for volatile-ness
5193 when considering a dereference.
5195 2005-08-27 Jakub Jelinek <jakub@redhat.com>
5197 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
5199 2005-08-26 Jakub Jelinek <jakub@redhat.com>
5201 PR rtl-optimization/23561
5202 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
5203 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
5204 at most LEN bytes long memory fits into the field.
5205 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
5206 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
5207 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
5209 2005-08-26 Richard Henderson <rth@redhat.com>
5212 * loop.c (biased_biv_may_wrap_p): New.
5213 (maybe_eliminate_biv_1): Use it to suppress non-equality
5214 comparison transformations. Delete disabled code.
5216 2005-08-26 Ian Lance Taylor <ian@airs.com>
5218 * combine.c (make_extraction): Avoid reference outside object.
5220 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
5222 * stor-layout.c (finalize_type_size): Restore behaviour for
5223 non-aggregate types to the status quo ante of the patch for
5224 pr 23467. Document why it matters.
5226 2005-08-26 Jakub Jelinek <jakub@redhat.com>
5229 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
5230 array by one element, initialize the BT_LAST element with NULL.
5232 2005-08-26 David Edelsohn <edelsohn@gnu.org>
5234 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
5235 optimizing for size.
5237 (compare_plus_eqsi): Same.
5238 (plus_eqsi_compare): Same.
5239 (neg_eq0<mode>): Same.
5240 (neg_eq<mode>): Same.
5242 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
5245 2005-08-26 Nick Clifton <nickc@redhat.com>
5247 * config/v850/v850.c (ep_memory_operand): Return FALSE if
5248 TARGET_EP is not defined.
5249 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
5250 TARGET_EP is enabled.
5251 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
5252 * config/v850/v850.md (save_all_interrupt): Only use the EP
5253 register if TARGET_EP is defined.
5254 (restore_all_interrupt): Likewise.
5255 * config/v850/lib1funcs.asm: Update functions so that the EP
5256 register is only used if __EP__ is defined.
5258 2005-08-26 David Ung <davidu@mips.com>
5260 * config/mips/mips.c (mips_expand_prologue): Handle case when
5261 generating for MIPS16 and the outgoing argument area is more than
5262 SMALL_OPERAND. Use the frame pointer as temporary to generate the
5265 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
5267 * config/crx/crx.md: Make doloop_end pattern usage controllable
5268 via mloop-nesting=<max-nesting> command line switch. Make sure
5269 the combiner cannot use doloop_end_<mode> in an illegal way.
5270 * config/crx/crx.c: Use regs up to r6 for argument passing.
5271 Refine crx_address_cost (non cst4 displacements are expensive).
5272 * config/crx/crx.opt: Add switch for mloop-nesting=.
5274 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
5276 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
5277 (UNSPEC_MVST): New constant.
5279 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
5281 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
5282 Reject operands containing eliminable registers.
5283 * testsuite/gcc.dg/20050825-1.c: New testcase.
5285 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5286 Jan Hubicka <jh@suse.cz>
5288 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
5290 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5292 PR tree-optimization/23546
5293 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
5296 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
5298 * params.def (PARAM_MIN_SPEC_PROB): New.
5299 * sched-rgn.c (MIN_PROBABILITY): Delete.
5300 (compute_trg_info): Convert to PARAM_VALUE.
5301 * doc/invoke.texi (param): Document min-spec-prob.
5303 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
5305 * config/darwin.h: define __PIC__
5306 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
5307 TARGET_OS_CPP_BUILTINS macro.
5309 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5311 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
5314 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
5316 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
5318 * cfghooks.c (duplicate_block): Added position where to place
5319 new block as argument.
5320 * cfghooks.h (duplicate_block): Declaration changed.
5321 * cfglayout.c (copy_bbs): Add argument after. Pass it to
5323 * cfglayout.h (copy_bbs): Declaration changed.
5324 * cfgloop.h (loop_version): Declaration changed.
5325 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
5326 position to copy_bbs.
5327 (loop_version): Pass position to duplicate_loop_to_header_edge.
5328 Add place_after argument and position new blocks according to
5330 * modulo-sched.c (sms_schedule): Pass place_after argument
5332 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
5333 * tree-cfg.c (split_edge_bb_loc): New function.
5334 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
5335 to determine position of new blocks.
5336 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
5338 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
5339 argument to duplicate_block.
5340 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
5341 Pass position to copy_bbs.
5343 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
5345 * fold-const.c (ptr_difference_const): Use
5346 cst_and_fits_in_hwi instead of host_integerp.
5348 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5350 * config/darwin.c (gen_pic_offset): New.
5351 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
5354 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
5356 PR tree-optimization/23486
5357 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
5359 2005-08-23 Phil Edwards <phil@codesourcery.com>
5361 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
5362 remove use_collect2.
5363 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
5365 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
5366 configuration files to override the default value.
5368 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
5369 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
5370 * config/vx-common.h: New file, split out from...
5371 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
5372 * config/vxworksae.h: New file, for VxWorks AE.
5373 * config/vxworks.opt: New file.
5374 * config/vxlib.c: Update for VxWorks 6.
5376 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
5377 other MULTILIB_* variables appropriately.
5378 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
5379 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
5380 * config/rs6000/vxworks.h: Update for VxWorks 6.
5381 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
5383 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
5386 * config/darwin.c (machopic_select_section): Remove the hack to
5387 mark "::operator new" and "::operator delete" for coalescing
5388 even though they are not weak.
5390 2005-08-24 Alan Modra <amodra@bigpond.net.au>
5392 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
5393 * configure: Regenerate.
5395 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
5398 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
5400 * convert.c (convert_to_integer, convert_to_vector): Likewise.
5401 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
5404 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
5406 * config/rs6000/predicates.md (equality_operator): New.
5407 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
5408 comparison with a large constant.
5410 2005-08-23 Mark Mitchell <mark@codesourcery.com>
5412 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
5414 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
5416 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
5417 registers is even, and we have a hardware double precision fp,
5419 (sh_gimplify_va_arg_expr): For floating point arguments, consider
5420 size of current argument when checking if argument was passed in
5423 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
5426 * stor-layout.c (finalize_type_size): Dont override
5427 existing alignment with a smaller alignment from the mode.
5429 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
5431 * lambda-code.c (lambda_vector_lexico_pos): Moved...
5432 * lambda.h (lambda_vector_lexico_pos): ... here.
5433 * tree-data-ref.c (build_classic_dist_vector): Return false when
5434 the distance vector is lexicographically negative.
5436 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
5438 PR tree-optimization/23511
5439 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
5440 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
5442 2005-08-23 Jakub Jelinek <jakub@redhat.com>
5444 PR tree-optimization/22043
5445 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
5446 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
5447 If ALLOW_FLEXARR, handle types ending with flexible array member.
5448 Pass false as second argument to recursive count_type_elements calls.
5449 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
5450 argument to count_type_elements call.
5451 * tree-sra.c (decide_block_copy): Likewise.
5452 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
5453 for a constant-sized object, set cleared as well. Pass true as
5454 second argument to count_type_elements call.
5456 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5459 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
5460 from legitimate_small_data_p, and make global. Update use.
5461 Remove forward declaration.
5462 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
5464 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
5466 2005-08-23 David Edelsohn <edelsohn@gnu.org>
5468 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
5469 of scratch intermediates.
5470 (eq<mode>_compare): Same.
5471 (neg_eq0<mode>): New.
5472 (neg_eq<mode>): Convert to define_insn_and_split.
5474 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5477 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
5478 stdarg functions, set/clear the fp marker even when no variable
5480 * config/rs6000/sysv4.opt (mprototype): Describe.
5482 2005-08-22 Jakub Jelinek <jakub@redhat.com>
5484 PR rtl-optimization/23478
5485 * regs.h (reg_info): Add throw_calls_crossed.
5486 (REG_N_THROWING_CALLS_CROSSED): Define.
5487 * flow.c (allocate_reg_life_data): Initialize
5488 REG_N_THROWING_CALLS_CROSSED.
5489 (propagate_one_insn, attempt_auto_inc): Update
5490 REG_N_THROWING_CALLS_CROSSED.
5491 * global.c (global_alloc): Don't allocate pseudos across
5492 calls that may throw.
5494 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
5497 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
5498 value is inbetween the range if we did not find an exact match.
5500 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
5502 * doc/invoke.texi (Option Summary): Add ms1 options.
5503 * doc/extend.texi: Document interrupt handler attribute for ms1.
5504 * doc/md.texi: Document ms1 constraints.
5505 * config.gcc: Add ms1-*-elf.
5506 * config/ms1/ms1.h: New.
5507 * config/ms1/ms1.c: New.
5508 * config/ms1/ms1.md: New.
5509 * config/ms1/ms1-protos.h: New.
5510 * config/ms1/ABI.txt: New.
5511 * config/ms1/crti.asm: New.
5512 * config/ms1/crtn.asm: New.
5513 * config/ms1/lib2extra-funcs.c: New.
5514 * config/ms1/t-ms1: New.
5515 * config/ms1/ms1.opt: New.
5517 2005-08-22 Ira Rosen <irar@il.ibm.com>
5519 * config/rs6000/altivec.md (xorv4sf3): New.
5520 (negv4sf2, neg<mode>2): Likewise.
5522 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
5525 * config/ia64/ia64.md (divsi3): Check divide by zero.
5526 (udivsi3): Likewise.
5528 (udivdi3): Likewise.
5530 2005-08-21 Jakub Jelinek <jakub@redhat.com>
5532 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
5533 up to elem_bitsize bits, not max_bitsize.
5535 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5537 PR tree-optimization/23433
5538 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
5539 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
5541 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5543 PR tree-optimization/23434
5544 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
5545 the iteration bound is not an INTEGER_CST.
5547 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
5549 * tree-vect-transform.c (get_initial_def_for_reduction): Set
5550 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
5551 NULL if need_epilog_adjust is false.
5552 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
5553 Case 3 always peels first itration, not just for PLUS case, and no need
5554 to use scalar_initial_def here. Create an epilog adjustment only if
5555 scalar_initial_def is not NULL.
5557 (vectorizable_reduction): Remove assert.
5559 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
5562 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
5563 (__moddi3): Likewise.
5564 (__udivdi3): Likewise.
5565 (__umoddi3): Likewise.
5566 (__divsi3): Likewise.
5567 (__modsi3): Likewise.
5568 (__udivsi3): Likewise.
5569 (__umodsi3): Likewise.
5571 2005-08-20 Jakub Jelinek <jakub@redhat.com>
5573 * tree-pass.h (TDF_GRAPH): Define.
5574 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
5575 * passes.c (finish_optimization_passes): Only call
5576 finish_graph_dump_file if TDF_GRAPH is set.
5577 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
5578 NULL. Set TDF_GRAPH bit.
5579 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
5581 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
5583 * arm.h (arm_stack_offsets): Add locals_base field.
5584 * arm.c (arm_get_frame_offsets): Compute it.
5585 (thumb_compute_initial_elimination offset): Make the Thumb frame
5586 pointer point to the base of the local variables.
5587 (thumb_expand_prologue): Update accordingly.
5588 (thumb_expand_epilogue): Likewise.
5590 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
5591 mode of clobbered scratch to DImode. Handle a case that's known to
5594 2005-08-19 David Edelsohn <edelsohn@gnu.org>
5596 * config/rs6000/rs6000.md (gt0<mode>): Delete.
5597 (gt0<mode>_compare): Delete.
5598 (neg_gt0<mode>): Delete.
5600 2005-08-19 Eric Christopher <echristo@apple.com>
5602 * optabs.h: Change CTI_ to COI_.
5605 2005-08-19 James E Wilson <wilson@specifix.com>
5607 * builtins.c (expand_builtin_return_addr): Set
5608 current_function_accesses_prior_frames when count != 0. Use
5609 frame_pointer_rtx when count == 0.
5610 * function.h (struct function): Add accesses_prior_frames field.
5611 (current_function_accesses_prior_frames): Define.
5612 * reload1.c (init_elim_table): Check
5613 current_function_accesses_prior_frames.
5614 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
5616 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5618 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
5619 indicator. Return true if the flowgraph changed during
5622 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5625 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
5626 conditional expression before testing its value.
5628 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5630 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
5632 2005-08-19 Devang Patel <dpatel@apple.com>
5634 PR tree-optimization/23048
5635 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
5636 third parameter. Check whether latch is dominated by exit
5638 (if_convertible_loop_p): Supply exit block itself to
5639 if_convertible_bb_p.
5641 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5644 * arm.md (arm_load_pic_register): Change argument to the mask of
5645 saved registers. Call thumb_find_work_register if we need a
5646 scratch register on Thumb.
5647 (arm_expand_prologue): Pass empty register set to
5648 arm_load_pic_register.
5649 (thumb_expand_prologue): Pass live_regs_mask directly to
5650 arm_load_pic_register.
5651 * arm-protos.h (arm_load_pic_register): Update prototype.
5653 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
5655 * sh.c (find_sole_member): New function.
5656 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
5657 if the record's alignment is larger than the size of its only member.
5659 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5662 * arm.c (thumb_legitimize_reload_address): New function.
5663 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
5664 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
5666 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
5668 * config/crx/crx.c: Implement crx_decompose_address. Reject
5669 symbolic displacements since CRX register relative adressing
5670 mode can't handle unsigned 32-bit values as displacements.
5671 * config/crx/crx.h: Simplify definitions, remove redundant
5672 parenthesis and obsolete macros.
5673 * config/crx/crx.opt: Add new switch for debugging addresses.
5674 * config/crx/crx-protos.h: Add new declarations for above.
5676 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
5679 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
5682 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5684 * collect2.c (dup2): Delete.
5685 * configure.ac: Don't check for dup2.
5687 * config.in, configure: Regenerate.
5689 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
5691 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
5692 record with the type of its only member.
5694 2005-08-18 David Edelsohn <edelsohn@gnu.org>
5696 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
5697 define_insn_and_split.
5698 (plus_ltu<mode>_compare): Same.
5699 (gtu<mode>_compare): Same.
5700 (plus_gtu<mode>_compare): Same.
5702 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
5704 PR tree-optimization/22228
5705 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
5707 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
5708 are recorded in vect_vnames_to_rename for renaming.
5709 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
5710 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
5711 in vect_vnames_to_rename.
5712 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
5713 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
5715 2005-08-18 Jan Hubicka <jh@suse.cz>
5718 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
5719 info only for local statics, not for member variables.
5721 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5723 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
5725 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5727 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
5729 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
5732 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
5734 2005-08-17 James E Wilson <wilson@specifix.com>
5736 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5739 2005-08-17 David Edelsohn <edelsohn@gnu.org>
5741 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
5742 (leu<mode>_compare): Same.
5743 (plus_leu<mode>): Same.
5744 (neg_leu<mode>): Same.
5745 (and_neg_leu<mode): Same.
5746 (ltu<mode>_compare): Same.
5747 (plus_ltu<mode>): Same.
5749 (geu<mode>_compare): Same.
5750 (plus_geu<mode>): Same.
5751 (neg_geu<mode>): Same.
5752 (and_neg_geu<mode>): Same.
5753 (plus_gt<mode>): Same.
5754 (gtu<mode>_compare): Same.
5755 (plus_gtu<mode>): Same.
5757 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
5759 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
5760 Move call_table_data to end. Delete spurious .text.
5761 (callt_save_all_interrupt): Fix comment typo.
5763 2005-08-17 James E Wilson <wilson@specifix.com>
5764 Kevin Winchester <winchester@amirix.com>
5767 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
5769 2005-08-17 Uros Bizjak <uros@kss-loka.si>
5772 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
5773 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
5775 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
5777 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
5778 record with the type of its only member if the modes don't match.
5780 * varasm.c (decode_reg_name): Skip empty additional register names.
5782 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5784 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
5785 lsm_tmp_name_length): New.
5786 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
5787 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
5789 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5790 Andreas Krebbel <krebbel1@de.ibm.com>
5792 * config.gcc: Added z9-109 switch.
5793 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
5794 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
5795 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
5796 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5797 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
5798 for "z9_109" cpu attribute.
5799 * config/s390/s390.c (z9_109_cost): New processor cost structure.
5800 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
5801 (s390_handle_arch_option): Added z9-109 switch.
5802 (override_options): Set respective cost function for z9-109.
5803 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
5804 (legitimate_reload_constant_p): Accept extended immediates.
5805 (print_operand): Three new output modifiers added: k, m and o.
5806 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
5807 (s390_output_mi_thunk): Use extended immediate when possible.
5808 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
5809 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
5810 (CONSTRAINT_LEN): Added length of O constraint.
5811 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
5812 * config/s390/s390.md ("cpu"): New value z9_109 added.
5813 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
5814 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
5815 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
5816 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
5817 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
5818 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
5819 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
5820 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
5821 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
5822 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5823 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
5824 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
5825 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
5826 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
5827 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
5829 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
5830 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
5831 insns for TARGET_EXTIMM.
5833 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
5835 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
5837 2005-08-17 Nick Clifton <nickc@redhat.com>
5839 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
5840 Call default_encode_section_info.
5842 2005-08-17 Steven Bosscher <stevenb@suse.de>
5844 PR tree-optimization/21574
5845 * tree-ssa-ccp.c (likely_value): If the right hand side is a
5846 constant, return CONSTANT.
5847 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
5848 (ccp_fold, visit_assignment): Likewise.
5849 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
5851 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5853 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
5854 fold_buildN instead of buildN then fold_initializer or fold.
5855 (build_unary_op): Likewise.
5856 (build_binary_op): Likewise.
5857 * fold-const.c (fold_initializer): Remove.
5858 (fold_build1_initializer): New function.
5859 (fold_build2_initializer): New function.
5860 (fold_build3_initializer): New function.
5861 * tree.h (fold_initializer): Remove.
5862 (fold_build1_initializer): New function.
5863 (fold_build2_initializer): New function.
5864 (fold_build3_initializer): New function.
5866 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5868 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
5869 (try_move_mult_to_index): Call fold_build2 instead of build2.
5870 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
5871 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
5872 fold_binary_to_constant.
5873 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
5875 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
5876 check if A == gcd (A, B). Remove TYPE argument.
5877 (analyze_offset) Use fold_build2 instead of fold (build.
5878 (create_data_ref): Likewise.
5879 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
5880 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
5883 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
5885 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
5886 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
5888 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
5891 * gimplify.c (zero_sized_type): New function.
5892 (gimplify_modify_expr_rhs): If we have a zero sized type,
5893 replace the statement with an empty statement.
5895 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
5897 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
5900 2005-08-16 Ian Lance Taylor <ian@airs.com>
5902 * doc/tm.texi (Label Output): Correct typo.
5904 2005-08-16 Steven Bosscher <stevenb@suse.de>
5907 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
5908 force_operand will work later on using have_insn_for.
5910 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5912 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
5914 2005-08-16 Ian Lance Taylor <ian@airs.com>
5917 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
5918 vector type, don't try to construct it element by element. Add an
5919 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
5921 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5923 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
5925 2005-08-16 Geoffrey Keating <geoffk@apple.com>
5927 * doc/invoke.texi (Precompiled Headers): Document some more options
5928 which are known to be safe.
5930 2005-08-16 James E Wilson <wilson@specifix.com>
5932 PR tree-optimization/21105
5933 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5934 TREE_OVERFLOW check.
5936 2005-08-16 David Edelsohn <edelsohn@gnu.org>
5938 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
5939 (neg_ltu<mode>): Same.
5941 (neg_gtu<mode>): Same.
5943 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5945 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
5946 (fold_builtin_isdigit): Use fold_buildN.
5947 (build_function_call_expr): Likewise.
5948 * c-typeck.c (c_finish_loop): Likewise.
5950 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
5951 Richard Shann <rshann@superh.com>
5953 PR middle-end/20396:
5954 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
5956 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
5958 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
5960 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
5963 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
5964 arm_compure_save_reg0_reg12_mask to determine when the PIC register
5967 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5970 * fold-const.c (build_range_check): Disable optimization for function
5971 pointer expressions on targets that require function pointer
5974 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
5976 * simplify-rtx.c (simplify_const_relational_operation): When
5977 extracting arguments of a COMPARE, recompute the mode as well.
5979 2005-08-15 Ian Lance Taylor <ian@airs.com>
5981 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
5983 2005-08-15 DJ Delorie <dj@redhat.com>
5985 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
5987 (movsi_splittable): Allow, but split, moves to the stack.
5988 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
5991 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5993 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
5994 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
5995 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
5997 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
5998 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
5999 Delete HOST_PTR_PRINTF.
6001 * configure, config.in: Regenerate.
6003 2005-08-15 David Edelsohn <edelsohn@gnu.org>
6005 * config/rs6000/rs6000.md (QHSI): New mode macro.
6006 (wd): Extend mode attr for QImode and HImode
6007 (dbits): New mode attr.
6008 (zero_extend<mode>di2): Convert to mode macro.
6010 2005-08-15 Steve Ellcey <sje@cup.hp.com>
6013 * doc/invoke.texi (-mgnu-ld): Update description.
6016 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
6019 * Makefile.in (tree-chrec.o): Depends on real.h.
6020 * tree-chrec.c: Include real.h.
6021 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
6022 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
6023 * tree-scalar-evolution.c (add_to_evolution_1,
6024 interpret_rhs_modify_expr): Ditto.
6026 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
6029 * tree-data-ref.c (estimate_niter_from_size_of_data): When
6030 step is negative compute the estimation from init downwards to zero.
6032 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
6034 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
6036 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
6038 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
6040 (legitimate_reload_constant_p): Fix handling of lliXX operands.
6041 Accept double-word constants that can be split.
6042 * config/s390/s390.md ("movti"): Use 'P' constraint.
6043 ("*movdi_31", "*movdf_31"): Likewise.
6045 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
6047 Fix PR tree-optimization/22615
6049 * tree-ssa-structalias.c (solution_set_add): Handle
6050 first_vi_for_offset returning NULL.
6051 (do_da_constraint): Ditto.
6052 (do_sd_constraint): Ditto.
6053 (do_ds_constraint): Ditto
6054 (find_func_aliases): Ditto.
6055 (build_constraint_graph): RHS is allowed be ANYTHING.
6056 (first_vi_for_offset): Return NULL if we couldn't find anything at
6059 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
6061 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
6062 over memory as first operand.
6064 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
6067 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
6068 available for setting it.
6070 2005-08-14 Ira Rosen <irar@il.ibm.com>
6072 PR tree-optimization/23320
6073 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
6074 data-refs' types instead of base object nullness. Add check for
6075 pointer type data-refs before first location comparison. Remove
6078 2005-08-14 Andreas Schwab <schwab@suse.de>
6080 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
6082 2005-08-13 James E Wilson <wilson@specifix.com>
6084 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
6085 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
6086 -fstack-protector-all, --param ssp-buffer-size): Document.
6087 (-Wvariadic-macros): Alphabetize.
6088 (-fsched-stalled-insns-dep): Add missing 'f'.
6090 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
6093 2005-08-13 David Edelsohn <edelsohn@gnu.org>
6095 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
6096 or indirect address operand.
6097 (EXTRA_ADDRESS_CONSTRAINT): New.
6098 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
6100 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
6102 PR tree-optimization/22236
6103 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
6104 successors and predecessors.
6105 * tree-chrec.c (chrec_convert): Before converting, check that
6106 sequences don't wrap.
6107 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
6108 (analyze_array): Extern.
6109 (find_data_references_in_loop): Remove call to
6110 compute_estimated_nb_iterations.
6111 * tree-data-ref.h (analyze_array): Declared.
6112 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
6113 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
6114 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
6115 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
6117 * tree-ssa-loop-ivcanon.c: Fix documentation.
6118 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
6119 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
6120 (infer_loop_bounds_from_undefined): New.
6121 (estimate_numbers_of_iterations_loop): Use
6122 infer_loop_bounds_from_undefined.
6123 (used_in_pointer_arithmetic_p): New.
6124 (scev_probably_wraps_p): Pass an extra parameter. Call
6125 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
6126 (convert_step): Fix documentation.
6127 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
6128 Use initial_condition_in_loop_num and evolution_part_in_loop_num
6129 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
6130 scev_probably_wraps_p.
6132 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
6134 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
6135 (s390_register_info): Ignore clobbered_regs information for fixed
6136 registers, and only fixed registers.
6137 (s390_init_frame_layout): Remove redundant call.
6139 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
6141 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
6142 description of -Wold-style-casts.
6144 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6145 Jakub Jelinek <jakub@redhat.com>
6147 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6148 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
6149 * config/s390/s390.c (print_operand): New output modifier 'G' added.
6150 (get_thread_pointer): Renamed to s390_get_thread_pointer.
6151 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
6152 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
6153 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
6154 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6155 ("stack_protect_set", "stack_protect_test"): New expanders.
6156 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
6157 "stack_protect_testdi"): New insn definitions.
6159 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6161 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
6163 2005-08-12 Paul Brook <paul@codesourcery.com>
6165 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
6167 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6169 * config/s390/predicates.md (setmem_operand): New predicate.
6170 (shift_count_operand): Accept ANDs with special constants as
6172 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
6173 with special constants.
6174 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
6175 shift_count_operand with setmem_operand.
6177 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6179 * config/s390/s390.c (s390_extract_part, s390_single_part):
6181 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
6182 (s390_output_mi_thunk): Don't use lg on 31 bit.
6183 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
6184 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
6186 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6188 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
6189 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
6190 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
6191 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
6192 with one of the new macros.
6194 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6196 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
6197 Don't set save_return_addr_p.
6198 (s390_register_info): Make clobbered_regs not depending on
6201 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
6203 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
6204 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
6206 2005-08-11 James E. Wilson <wilson@specifix.com>
6208 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
6210 2005-08-11 Jakub Jelinek <jakub@redhat.com>
6212 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
6213 locations gathered by var-tracking in single entry loc_list
6214 over loc_descriptor_from_tree.
6216 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
6217 pass it down to loc_descriptor.
6218 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
6219 (containing_function_has_frame_base): Move earlier in the file.
6220 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
6221 instead of always assuming fbreg can't be used.
6223 2005-08-11 David Edelsohn <edelsohn@gnu.org>
6225 * config/rs6000/altivec.md: Change constraint "m" to "Z".
6226 * config/rs6000/predicates.md (indexed_or_indirect_operand):
6227 Accept address wrapped in AND for Altivec.
6228 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6229 Strip AND wrapping offset address for Altivec.
6231 2005-08-11 Richard Henderson <rth@redhat.com>
6234 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
6235 before using TYPE_IS_SIZETYPE.
6237 2005-08-11 Richard Henderson <rth@redhat.com>
6240 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
6241 insn types not present on ev4.
6242 (alphaev5_insn_pipe): Similarly.
6244 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
6247 * arm.c (arm_override_options): If the user has selected callee-super-
6248 interworking, then enable normal interworking.
6250 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6252 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
6255 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
6257 * doc/rtl.texi: Fix two typos.
6259 2005-08-11 Richard Guenther <rguenther@suse.de>
6262 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
6263 cases where we call to/from functions returning void.
6265 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
6268 * tree.c (build_pointer_type_for_mode): Robustify.
6270 2005-08-10 James E Wilson <wilson@specifix.com>
6272 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
6273 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
6275 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
6278 2005-08-10 Eric Christopher <echristo@apple.com>
6280 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
6281 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
6284 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
6287 * config/darwin.c (machopic_indirect_data_reference): Use a new register
6288 for the high part when generating dynamic-no-pic code.
6290 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
6292 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
6293 (x86_64-*-linux*): Likewise.
6295 * config/i386/crtfastmath.c: New file.
6296 * config/i386/t-crtfm: Likewise.
6298 * config/i386/linux.h (ENDFILE_SPEC): New.
6299 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
6301 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
6304 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
6306 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
6307 (vec_shl, vec_shr): Document new operations.
6308 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
6310 2005-08-10 David Edelsohn <edelsohn@gnu.org>
6312 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
6313 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
6314 change predicate to indexed_or_indirect_address.
6316 2005-08-10 Richard Sandiford <richard@codesourcery.com>
6318 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
6319 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
6320 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
6321 and __aeabi_uwrite8.
6322 * config/arm/unaligned-funcs.c: New file.
6323 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
6325 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
6327 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
6329 * cfglayout.c (pass_insn_locators_initialize): Add dump.
6330 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
6332 * except.c (pass_convert_to_eh_region_ranges): Add dump.
6333 * final.c (pass_shorten_branches): Add dump.
6334 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
6335 (pass_life): Rename dump.
6336 (rest_of_handle_flow2): Remove initial verify_flow_info.
6337 * function.c (pass_instantiate_virtual_regs): Add dump.
6338 * integrate.c (pass_initial_value_sets): Add dump.
6339 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
6340 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
6341 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
6342 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
6343 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
6344 gate_rtl_unrool_and_peel_loops): New.
6345 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
6346 rtl_doloop): Do not look at flags.
6347 * mode-switching.c (pass_mode_switching): Add dump.
6348 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
6349 pass_split_before_regstack): Add dump.
6350 * regmove.c (pass_stack_adjustments): Add dump.
6351 * tree-optimize.c (pass_fixup_cfg): Add dump.
6353 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6356 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
6357 deciding which instruction sequence to use.
6359 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
6361 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
6362 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
6364 2005-08-09 Richard Guenther <rguenther@suse.de>
6366 * c-common.c (builtin_function_2): Remove.
6367 (def_builtin_1): New function.
6368 (c_common_nodes_and_builtins): Use def_builtin_1 to
6369 build builtin functions.
6371 2005-08-09 Jie Zhang <jie.zhang@analog.com>
6373 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
6374 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6375 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
6378 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
6380 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
6381 fold_binary instead of fold_build2 since we don't care about the
6383 (loop_niter_by_eval): Likewise.
6384 (compare_trees): Likewise.
6385 (proved_non_wrapping_p): Likewise.
6387 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
6391 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
6392 if the if is really empty.
6394 2005-08-09 Steven Bosscher <stevenb@suse.de>
6396 PR tree-optimization/23234
6397 * tree-ssa-math-opts.c (place_reciprocal): New enum.
6398 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
6399 argument of the new enum.
6400 (execute_cse_reciprocals): Add reciprocals for function arguments
6401 on the unique successor edge of the entry block. Update other calls
6402 to execute_cse_reciprocals_1.
6404 2005-08-08 Richard Henderson <rth@redhat.com>
6407 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
6409 2005-08-08 Bob Wilson <bob.wilson@acm.org>
6411 * expr.c (write_complex_part): Return after handling MEM.
6413 2005-08-08 Josh Conner <jconner@apple.com>
6415 PR rtl-optimization/23241
6416 * combine.c (simplify_comparison): Fix error in determining
6417 whether to lift a subreg from comparison.
6419 2005-08-08 David Edelsohn <edelsohn@gnu.org>
6422 * config/rs6000/altivec.md (vec_init<mode>): New.
6423 (vec_set<mode>): New.
6424 (vec_extract<mode>): New.
6425 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
6426 (rs6000_expand_vector_set): New.
6427 (rs6000_expand_vector_extract): New.
6428 (rs6000_legitimate_offset_address_p): Offset addresses are valid
6429 for Altivec modes before reload.
6430 (altivec_expand_vec_init_builtin): New.
6431 (get_element_number): New.
6432 (altivec_expand_vec_set_builtin): New.
6433 (altivec_expand_vec_ext_builtin): New.
6434 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
6436 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
6438 * config/rs6000/rs6000.h (rs6000_builtins): Add
6439 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
6440 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
6441 * config/rs6000/rs6000-protos.h: Declare new functions.
6443 2005-08-08 Jan Hubicka <jh@suse.cz>
6445 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
6446 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
6447 * i386.md (movdi*): Use pic_32bit_operand.
6448 * predicates.md (pic_32bit_operand): New.
6450 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
6453 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
6455 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
6457 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
6458 (test_for_singularity): Use fold_build2.
6460 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6462 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
6464 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
6466 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6467 (COMMON_ASM_OP) Define.
6468 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
6469 (ix86_encode_section_info): Likewise.
6470 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
6471 SUBTARGET_ENCODE_SECTION_INFO.
6473 2005-08-06 Richard Henderson <rth@redhat.com>
6476 * tree-nested.c (convert_local_reference): Save and restore val_only
6477 around component_ref and friends. Clear walk_subtrees by default.
6479 2005-08-06 Peter O'Gorman <peter@pogma.com>
6482 * gcc.c (process_command): Check the argument to -b has a dash.
6483 * doc/invoke.texi: Update -b and -V docs.
6485 2005-08-06 James E Wilson <wilson@specifix.com>
6487 * config/mips/cross64.h, config/mips/t-cross64: Delete.
6489 2005-08-06 Michael Matz <matz@suse.de>
6491 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
6492 member only if only one insn is associated with the value.
6494 2005-08-06 Nick Clifton <nickc@redhat.com>
6496 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
6498 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
6499 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
6500 Check symbol flags instead of symbol name mangling.
6501 (xstormy16_asm_output_aligned_common): Likewise. Also
6502 simplify code since the bss100_section cass is the only case
6503 where the below100 code will be triggered.
6504 (xstormy16_encode_section_info): Encode below100 attribute
6505 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
6507 (xstormy16_strip_name_encoding): Delete - this function is no
6509 (TARGET_STRIP_NAME_ENCODING): Undefine.
6510 * config/stormy16/stormy16-protos.h: Delete prototype for
6511 xstormy16_strip_name_encoding.
6513 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
6515 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
6516 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
6517 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
6518 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
6519 config/alpha/predicates.md, config/arc/arc.h,
6520 config/arm/arm.h, config/arm/ieee754-df.S,
6521 config/arm/ieee754-sf.S, config/bfin/bfin.c,
6522 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
6523 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
6524 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
6525 config/m68hc11/m68hc11.h, config/mips/mips.c,
6526 config/mips/mips.h, config/mips/openbsd.h,
6527 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
6528 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
6529 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6530 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
6531 config/sparc/linux.h, config/sparc/linux64.h,
6532 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
6533 doc/extend.texi, doc/gcov.texi, doc/install.texi,
6534 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
6535 typos. Follow spelling conventions.
6537 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
6540 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
6541 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
6542 specially. Check for side effects only for COND_EXPR.
6543 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
6544 return with TREE_NO_WARNING.
6546 2005-08-06 Richard Sandiford <richard@codesourcery.com>
6548 PR rtl-optimization/23233
6549 * loop.c (combine_movables): Require the modes to be the same.
6550 (move_movables): Remove handling of cases where the replacement
6551 had a different mode to the original.
6553 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
6555 PR tree-optimization/23128
6556 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
6557 subtraction wrap, and set TREE_OVERFLOW if they do.
6559 2005-08-05 Richard Henderson <rth@redhat.com>
6562 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
6563 FORCED_LABEL labels.
6565 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
6568 * reload.c (find_reloads_subreg_address): Pass down TYPE
6569 unchanged. Change all callers except find_reloads_toplev.
6571 2005-08-05 Michael Matz <matz@suse.de>
6573 * genattrtab.c (current_alternative_string): Remove.
6574 (SIMPLIFY_ALTERNATIVE): Ditto.
6575 (attr_alt_bit_p): Ditto.
6576 (alternative_name): Make const char *.
6577 (evaluate_eq_attr): Remove use of above things.
6578 (simplify_test_exp): Ditto.
6579 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
6580 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
6582 2005-08-04 James E Wilson <wilson@specifix.com>
6584 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
6585 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
6586 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
6587 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
6588 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
6590 2005-08-04 Richard Henderson <rth@redhat.com>
6593 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
6594 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
6595 * tree-sra.c (decide_block_copy): Use it. Disable element copy
6596 if we'd have to instantiate too many members.
6598 2005-08-04 Richard Henderson <rth@redhat.com>
6601 * tree-outof-ssa.c (coalesce_asm_operands): New.
6602 (coalesce_ssa_name): Use it. Split out ...
6603 (coalesce_phi_operands, coalesce_result_decls): ... these.
6605 2005-08-04 Paul Brook <paul@codesourcery.com>
6607 * read-rtl.c (read_quoted_string): Break if EOF.
6609 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
6611 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
6612 (fold_build2): Likewise.
6613 (fold_build3): Likewise.
6614 (fold_build1_stat): New function prototype.
6615 (fold_build2_stat): Likewise.
6616 (fold_build3_stat): Likewise.
6617 * fold-const.c (fold_build1): Rename to ..
6618 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6619 through to build1_stat.
6620 (fold_build2): Rename to ..
6621 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6622 through to build2_stat.
6623 (fold_build3): Rename to ..
6624 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6625 through to build3_stat.
6627 2005-08-04 David Edelsohn <edelsohn@gnu.org>
6628 Ian Lance Taylor <ian@airs.com>
6630 * function.c (assign_stack_local_1): Do not correct stack slot
6631 address if allocation size is smaller than mode size.
6633 2005-08-04 Diego Novillo <dnovillo@redhat.com>
6636 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
6637 (tree_merge_blocks): Propagate anything allowed by
6639 Clarify documentation.
6640 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
6641 SSA form, schedule an update if necessary.
6643 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
6645 * doc/install.texi (Binaries): Remove broken link to
6646 Sinix/Reliant Unix binaries.
6648 2005-08-03 Richard Henderson <rth@redhat.com>
6651 * function.c (stack_protect_epilogue): Export.
6652 * tree.h (stack_protect_epilogue): Declare.
6653 * calls.c (expand_call): Call it.
6655 2005-08-03 Eric Christopher <echristo@apple.com>
6657 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
6658 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
6661 2005-08-04 Jan Hubicka <jh@suse.cz>
6663 * profile.c (branch_prob): Split edges with goto locus on them
6664 to get proper line counts.
6665 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
6667 2005-08-03 Paul Brook <paul@codesourcery.com>
6669 * function.c (assign_parms): Round current_function_args_size
6670 to PARM_BOUNDARY, not STACK_BOUNDARY.
6672 2005-08-03 Geoffrey Keating <geoffk@apple.com>
6674 * config/i386/i386.c (x86_elf_aligned_common)
6675 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
6677 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
6679 PR tree-optimization/23157
6680 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
6681 before emitting them.
6683 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6685 PR tree-optimization/19899
6686 * Makefile.in (tree-scalar-evolution.o): Add real.h.
6687 * tree-scalar-evolution.c: Include real.h.
6688 (add_to_evolution): Build constant -1 of correct type.
6690 2005-08-03 Jan Hubicka <jh@suse.cz>
6692 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
6693 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
6694 profile updating for complette unrolling.
6695 * loop-unroll.c (peel_loop_completely): Use it.
6696 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
6697 (tree_unroll_loops_completely): Disable code growing unrolling of cold
6700 2005-08-03 Paul Brook <paul@codesourcery.com>
6702 * combine.c (can_change_dest_mode): New function.
6703 (try_combine, simplify_set): Use it.
6705 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
6707 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
6710 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
6712 * doc/install.texi (Specific): Adjust link to openavr.org.
6713 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
6714 (Binaries): Adjust HP-UX Porting Center link.
6715 (Binaries): Adjust Free Software Foundation ordering link.
6717 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
6719 * convert.c (convert_to_integer): Use fold_build1 instead of
6720 build1 when converting an integer to an integer.
6722 2005-08-02 Richard Henderson <rth@redhat.com>
6724 * combine.c (combine_instructions): Don't use reg_equal/equiv
6725 results if the mode doesn't match.
6727 2005-08-02 Mark Mitchell <mark@codesourcery.com>
6729 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
6730 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
6732 2005-08-02 Richard Henderson <rth@redhat.com>
6735 * explow.c (memory_address): Remove special-case for
6736 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
6738 2005-08-02 Diego Novillo <dnovillo@redhat.com>
6741 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
6742 number of calls to cleanup_tree_cfg_1.
6744 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
6746 * doc/invoke.texi: document file extensions .F90 and .F95
6748 2005-08-02 Richard Guenther <rguenther@suse.de>
6750 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
6751 positive if its first argument is positive.
6753 2005-08-02 Richard Guenther <rguenther@suse.de>
6755 PR tree-optimization/23177
6756 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
6759 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
6761 PR tree-optimization/23129
6762 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
6763 varying for divisions with anti-ranges.
6765 2005-08-02 Jan Hubicka <jh@suse.cz>
6767 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
6768 * tree-ssa-threadupdate.c (thread_block): Add it here.
6770 2005-08-01 James E Wilson <wilson@specifix.com>
6772 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
6773 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
6774 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
6776 * config/mips/predicates.md (const_call_insn_operand): Add check for
6777 SYMBOL_REF_LONG_CALL_P.
6778 * doc/extend.texi (long_call): Document the new attribute.
6780 2005-08-01 Ian Lance Taylor <ian@airs.com>
6781 Richard Henderson <rth@redhat.com>
6783 * Makefile.in (RTL_BASE_H): Add real.h.
6784 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6786 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
6788 * rtl.c (rtl_check_failed_code_mode): New.
6789 * rtl.h (struct rtx_def): Add u.rv.
6790 (XCMWINT, XCNMPRV): New.
6791 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
6792 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
6794 2005-08-01 Richard Henderson <rth@redhat.com>
6796 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
6797 with auto-inc codes.
6799 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
6801 2005-08-01 Jan Hubicka <jh@suse.cz>
6803 * i386-protos.h (asm_preferred_eh_data_format): Declare.
6804 * i386.c: Include dwarf2.h
6805 (asm_preferred_eh_data_format): New.
6806 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
6808 2005-08-01 Ian Lance Taylor <ian@airs.com>
6810 * config/host-linux.c (linux_gt_pch_get_address): Add new name
6811 randomize_va_space for virtual address randomization control.
6813 2005-08-01 Steven Bosscher <stevenb@suse.de>
6815 * common.opt (flag_ipa_cp): Put in right place to maintain
6818 2005-08-01 Jan Hubicka <jh@suse.cz>
6820 * profile.c (compute_value_histograms): Fix thinko.
6821 * value-prof.c: Include toplev.h
6822 (check_counter): New function.
6823 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
6824 tree_mod_subtract_transform): Add sanity check.
6826 2005-08-01 Richard Guenther <rguenther@suse.de>
6828 PR tree-optimization/23133
6829 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
6830 current functions parameter decls to find defs to cse
6833 2005-08-01 Richard Guenther <rguenther@suse.de>
6835 PR tree-optimization/23109
6836 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
6837 If trapping math is in effect, use post-dominator information
6838 to check if we'd in any case reach a trapping point before
6839 doing the reciprocal insertion.
6840 (execute_cse_reciprocals): Compute post-dominators, if necessary.
6841 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
6842 expressions are invariant only if trapping math is not in effect.
6844 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6846 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
6847 cgraph_function_versioning): New declarations.
6848 * cgraphunit.c: Add include to ipa-prop.h.
6849 (update_call_expr, cgraph_copy_node_for_versioning,
6850 cgraph_function_versioning): New functions.
6851 * integrate.c (copy_decl_for_inlining): Remove.
6852 * ipa-prop.h (ipa_replace_map): New struct.
6853 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
6854 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
6855 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
6856 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
6857 ipcp_iterate_stage, ipcp_method_scale_print,
6858 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
6859 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
6860 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
6861 ipcp_update_bb_counts, ipcp_update_profiling,
6862 ipcp_update_edges_counts): New functions.
6863 (ipcp_method_cval_init): Remove restriction regarding local methods.
6864 (ipcp_init_stage): Add ipcp_method_compute_scale.
6865 (ipcp_insert_stage): Add versioning.
6866 (ipcp_structures_print): Add ipcp_method_scale_print.
6867 (ipcp_driver): Dump profiling info.
6868 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
6869 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
6870 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
6871 (struct inline_data): Add versioning_p, ipa_info, new fields.
6872 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
6873 declare_return_variable): Replace calls to copy_decl_for_inlining with
6875 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
6877 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
6878 Add argument VERSIONING.
6879 (copy_arguments_for_versioning, copy_static_chain,
6880 function_versionable_p, tree_versionable_function_p,
6881 tree_function_versioning, replace_ref_tree): New functions.
6882 * tree-inline.h: Include varray.h.
6883 (tree_versionable_function_p, tree_function_versioning,
6884 tree copy_decl_for_dup): New declarations.
6886 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6888 * ipa-cp.c: New file. Contains IPCP specific functionality.
6889 * ipa-prop.h: New file. Contains structures/definitions that can be
6890 used by several interprocedural data flow optimizations (and also IPCP).
6891 * ipa-prop.c: New file.
6892 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
6893 * common.opt: Add ipa-cp flag.
6894 * timevar.def: Add IPCP optimization.
6895 * tree-optimize.c (init_tree_optimization_passes): Schedule
6897 * tree-pass.h (pass_ipa_cp): Declare.
6899 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
6901 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
6902 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
6903 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
6904 config/i386/i386.c, config/mips/mips.h,
6905 config/rs6000/rs6000.h, config/sh/sh.c,
6906 config/stormy16/stormy16.c: Fix comment typos.
6908 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
6911 * c-typeck.c (build_binary_op): Use common_type wrapper on
6913 (common_type): Update comment.
6915 2005-07-31 Steven Bosscher <stevenb@suse.de>
6918 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
6919 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
6920 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
6922 2005-07-31 Jan Hubicka <jh@suse.cz>
6924 * pretty-print.h (pp_widest_integer): New macro.
6925 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
6928 2005-07-31 Jan Hubicka <jh@suse.cz>
6930 * output.h (enum section_category): Export from varasm.c
6931 (categorize_decl_for_section): Likewise.
6932 * varasm.c (enum section_category): Kill.
6933 (categorize_decl_for_section): Make global.
6934 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
6936 * i386.c (ix86_section_threshold): New static variable.
6937 (ix86_in_large_data_p, ix86_encode_section_info,
6938 x86_64_elf_unique_section,
6939 x86_64_elf_select_section): New functions.
6940 (TARGET_ENCODE_SECTION_INFO): Define
6941 (override_options): Enable medium model for PIC.
6942 (ix86_expand_prologue): Expand gen_set_got_rex64.
6943 (legitimate_constant_p): Handle new UNSPECs.
6944 (legitimate_pic_address_disp_p): Likewise.
6945 (legitimize_pic_address): Lower MEDIUM model addressing.
6946 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
6947 (enum cmodel): Add MEDIUM_PIC.
6948 (SYMBOL_REF_FAR_ADDR_P): New macro.
6949 (SYMBOL_FLAG_FAR_ADDR): New flag.
6950 * i386.md (movdi): Support medium model.
6951 (set_got_rex64): New pattern.
6952 * i386.opt (mlarge-data-threshold): New flag.
6953 * predicates.md (zext_operand/sext_operand): Deal with medium model.
6954 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
6955 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
6956 TARGET_ASM_UNIQUE_SECTION): New.
6958 * invoke.texi (-mlarge_data_threshold): Document
6960 2005-07-31 Jan Hubicka <jh@suse.cz>
6962 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
6963 (coalesce_vars): Likewise.
6964 * tree-ssa-live.c (coalesce_cost): New.
6965 (build_tree_conflict_graph): Use coalesce_cost.
6966 * tree-ssa-live.h (coalesce_cost): Declare.
6968 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
6970 * arm.md (all peepholes for post-increment operations): Delete.
6971 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
6972 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
6973 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
6974 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
6975 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
6977 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
6979 * fold-const.c (tree_expr_nonnegative_p): Always return true for
6982 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
6985 * doc/invoke.texi: Document -rdynamic.
6987 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
6990 * c-parser.c (c_parser_parms_list_declarator): Call
6991 mark_forward_parm_decls.
6992 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
6993 decls with visibility structure.
6995 2005-07-30 Paul Brook <paul@codesourcery.com>
6997 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
6999 2005-07-30 Paul Brook <paul@codesourcery.com>
7001 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
7003 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
7005 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
7007 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7010 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
7011 nested function declarators.
7012 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
7013 (grokparms): Call warn_if_shadowing for parameters used within the
7015 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
7016 not used within the parameter list.
7017 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
7019 2005-07-30 Jan Hubicka <jh@suse.cz>
7021 * expr.c (expand_expr_real_1): Do not load mem targets into register.
7022 * i386.c (ix86_fixup_binary_operands): Likewise.
7023 (ix86_expand_unary_operator): Likewise.
7024 (ix86_expand_fp_absneg_operator): Likewise.
7025 * optabs.c (expand_vec_cond_expr): Validate dest.
7027 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7030 * real.c (real_from_string): Also set last bit if there is a
7031 nonzero hex digit beyond GCC's internal precision after ".".
7033 2005-07-29 David Edelsohn <edelsohn@gnu.org>
7035 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
7036 define_constants. Change duplicate values to unassigned numbers.
7037 Change UNSPEC_SUBS to UNSPEC_VSUBS.
7038 (*altivec_vspltsf): New.
7039 (altivec_vperm_v4sf): Delete.
7040 (altivec_vperm_<mode>): Use mode macro V.
7041 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
7042 (altivec_predicate_v4sf): Delete.
7043 (altivec_predicate_<mode>): Use mode macro V.
7044 (*altivec_lvesfx): New.
7045 (*altivec_stvesfx): New.
7046 (vec_realign_load_v4sf): Delete.
7047 (vec_realign_load_<mode>): Use mode macro V.
7048 * config/rs6000/rs6000.c (generate_set_vrsave): Use
7051 2005-07-29 Mark Mitchell <mark@codesourcery.com>
7054 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
7056 * configure: Regenerated.
7058 2005-07-29 Paul Brook <paul@codesourcery.com>
7060 * doc/install.texi: Add link to GFortran binaries wiki page.
7062 2005-07-29 David Ung <davidu@mips.com>
7064 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
7065 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
7066 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
7067 * config/mips/mips.md (cpu): Add 5kf name.
7068 (includes): Includes 5k.md.
7069 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
7070 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
7073 2005-07-29 Diego Novillo <dnovillo@redhat.com>
7076 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
7077 (cleanup_tree_cfg): ... here.
7078 Call cleanup_tree_cfg_1 until there are no more cleanups to
7081 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
7083 * tree-vrp.c (compare_range_with_value): Return true or false
7084 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
7085 EQ_EXPR respectively.
7087 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
7089 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
7092 2005-07-29 Diego Novillo <dnovillo@redhat.com>
7094 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
7095 (tree_ssa_dominator_optimize): Increment it.
7096 (dump_dominator_optimization_stats): Print it.
7098 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
7099 Steven Bosscher <stevenb@suse.de>
7101 PR rtl-optimization/23117
7102 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
7103 when head == tail. Tidy comment.
7105 2005-07-28 Richard Henderson <rth@redhat.com>
7107 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
7108 * cselib.c (rtx_equal_for_cselib_p): Likewise.
7109 * jump.c (rtx_renumbered_equal_p): Likewise.
7110 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
7111 CONST_INT and CONST_DOUBLE.
7112 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
7113 * reload.c (operands_match_p): Special case CONST_INT and
7114 CONST_DOUBLE; check mode earlier.
7116 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7119 * c-typeck.c (convert_for_assignment): Do not check
7120 DECL_IN_SYSTEM_HEADER on NULL fundecl.
7122 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7125 * c-typeck.c (composite_type): Prefer constant size arrays to
7128 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7131 * real.c (real_from_string): Set last bit if there is a nonzero
7132 hex digit beyond GCC's internal precision.
7134 2005-07-28 Richard Henderson <rth@redhat.com>
7137 * cfgcleanup.c (try_forward_edges): Watch out for end of
7140 2005-07-28 James E Wilson <wilson@specifixinc.com>
7143 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
7145 2005-07-28 Jan Hubicka <jh@suse.cz>
7147 * Makefile.in (rtl-profile.o): Kill all traces of it.
7148 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
7149 * coverage.h (rtl_coverage_counter_ref): Kill.
7150 * opts.c (flag_speculative_prefetching_set): Kill.
7151 (flag_loop_optimize_set): New.
7152 (common_handle_option): Disable loop optimizer when profiling;
7153 do not handle speculative prefetching.
7154 * passes.c (init_optimization_passes): Replace pass_profiling combo
7155 by branch_prob pass.
7156 * profile.c (compute_value_histograms): Update for simplified value
7158 (rtl_register_profile_hooks): Kill.
7159 (pass_profiling): Kill.
7160 (rest_of_handle_branch_prob): Do not profile.
7161 * toplev.c (process_options): Remove speculative prefetching.
7162 * toplev.h (flag_tree_based_profiling): Kill.
7163 * tree-profile.c (prepare_instrumented_value,
7164 tree_gen_interval_profiler, tree_gen_pow2_profiler,
7165 tree_gen_one_value_profiler, do_tree_profiling): Update for
7166 simplified datastructures.
7167 * value-prof.c: Add comment that speculative prefetching was dropped;
7168 update rest of file for simplified datastructures.
7169 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
7170 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
7171 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
7172 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
7173 rtl_mod_subtract, gen_speculative_prefetch,
7174 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
7175 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
7176 (gate_handle_value_profile_transformations,
7177 rest_of_handle_value_profile_transformations,
7178 pass_value_profile_transformations): Kill.
7179 * value-prof.h (histogram_value_t): Remove IL based unions.
7180 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
7181 rtl_profile_hooks): Remove hooks.
7183 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
7185 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
7186 (cgraph_clone_node): Likewise.
7187 * cgraph.h (cgraph_clone_edge): Update prototype.
7188 (cgraph_clone_node): Likewise.
7189 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
7191 (lookup_recursive_calls): Consider profile.
7192 (cgraph_decide_recursive_inlining): Fix updating; use new
7193 probability argument; use profile.
7194 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
7195 * tree-inline.c (copy_bb): Update clal of clone_edge.
7196 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
7198 * invoke.texi (min-inline-recursive-probability): Document.
7200 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
7202 * doc/install.texi (Configuration): Update Valgrind homepage.
7204 2005-07-28 Richard Henderson <rth@redhat.com>
7207 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
7208 labels we want to delete.
7209 (cfg_layout_merge_blocks): Likewise.
7211 2005-07-28 Richard Henderson <rth@redhat.com>
7214 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
7215 when expanding to nothing.
7217 2005-07-28 Josh Conner <jconner@apple.com>
7219 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
7220 (cgraph_decide_inlining_of_small_functions): Likewise.
7222 2005-07-28 Josh Conner <jconner@apple.com>
7224 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
7225 direction of badness if negative.
7226 (cgraph_default_inline_p): Add reason to parameters, and assign it
7228 (cgraph_decide_inlining_of_small_functions): New parameter in call
7229 to cgraph_default_inline_p.
7230 (cgraph_decide_inlining_incrementally): Likewise.
7231 * cgraphunit.c (decide_is_function_needed): Likewise.
7232 * cgraph.h (cgraph_default_inline_p): Likewise.
7234 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7236 * builtins.c: Fix comment typo(s).
7237 * genautomata.c: Likewise.
7238 * gimplify.c: Likewise.
7239 * tree-dfa.c: Likewise.
7240 * tree-flow-inline.h: Likewise.
7241 * tree-into-ssa.c: Likewise.
7242 * tree-ssa-alias.c: Likewise.
7243 * tree-ssa-ccp.c: Likewise.
7244 * tree-ssa-copy.c: Likewise.
7245 * tree-ssa-dce.c: Likewise.
7246 * tree-ssa-dom.c: Likewise.
7247 * tree-ssa-operands.c: Likewise.
7248 * tree-tailcall.c: Likewise.
7249 * tree-vectorizer.c: Likewise.
7250 * tree-vrp.c: Likewise.
7253 2005-07-28 Jeff Law <law@redhat.com>
7255 * tree-vrp.c (test_for_singularity): Extracted from ...
7256 (simplify_cond_using_ranges): Attempt to simplify a relational
7257 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
7259 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
7261 PR tree-optimization/22506
7262 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
7263 phis whose argument is constant.
7265 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
7267 PR rtl-optimization/18992
7268 Back out this patch:
7269 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7270 PR optimization/12142
7271 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
7272 uses of the register in the SET_SRC. Remove unnecessary argument.
7274 Replace it with this:
7275 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
7276 if flag_non_call_exceptions is set and the insn may trap, pass
7277 pc_rtx as dest for recursion.
7278 In SET_SRC part of SET case, if dest is already set, pass it down
7281 2005-07-28 Jan Hubicka <jh@suse.cz>
7283 * cfg.c (update_bb_profile_for_threading): Use RDIV.
7284 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
7285 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
7287 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
7288 profile when available.
7290 2005-07-28 Jan Beulich <jbeulich@novell.com>
7292 * config/ia64/ia64.c (ia64_load_pair_ok): New.
7293 (ia64_print_operand): Describe and handle 'X'.
7294 (ia64_register_move_cost): Also handle FP_REGS.
7295 (ia64_preferred_reload_class): Likewise.
7296 (ia64_secondary_reload_class): Likewise.
7297 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
7298 it. Also check for ITANIUM_CLASS_FLDP.
7299 * config/ia64/ia64.h (FP_REGNO_P): New.
7300 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
7301 (reg_class): Add FP_REGS.
7302 (REG_CLASS_NAMES): Adjust for it.
7303 (REG_CLASS_CONTENTS): Likewise.
7304 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
7305 (REG_CLASS_FROM_LETTER): Handle 'x'.
7306 (CLASS_MAX_NREGS): Handle FP_REGS.
7307 (MEMORY_MOVE_COST): Likewise.
7308 * config/ia64/ia64.md (itanium_class): Add fldp.
7309 (type): Handle fldp.
7310 (movti_internal): More allowable operand combinations. Use ldfp8 when
7311 splitting unnecessary. Remove predicable attribute. Adjust
7312 itanium_class attribute.
7313 (smuldi3_highpart): Remove outdated comment.
7314 (mulditi3, umulditi3, rotlti3): New expanders.
7315 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
7316 (absti2): Disabled new insn for future reference.
7317 Respective new splitters.
7318 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
7319 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
7320 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
7322 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
7324 PR rtl-optimization/23047
7325 * simplify-rtx.c (simplify_const_relational_operation): Respect
7326 flag_wrapv for comparisons with ABS.
7328 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
7330 PR tree-optimization/22493
7331 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
7332 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
7334 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
7336 * config/frv/frv.opt (moptimize-membar): New.
7338 * doc/invoke.texi: Document -moptimize-membar and its inverse.
7340 * config/frv/frv.h: Remove machine_function definition.
7342 * config/frv/frv.c (struct frv_io): New.
7343 (struct machine_function): Moved from frv.h. Add has_membar_p.
7344 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
7345 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
7346 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
7347 (frv_optimize_membar_global, frv_optimize_membar): New functions.
7348 (frv_reorg): Call frv_optimize_membar when appropriate.
7349 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
7350 (frv_expand_builtin): Adjust calls accordingly.
7351 (frv_io_address_cookie): New function.
7352 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
7353 load or store rather than a special insn. Add ccnstant address and
7354 io-type operands to the membar.
7355 (frv_ifcvt_modify_tests): Unsign regno.
7356 (frv_ifcvt_modify_tests): Same.
7358 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
7359 UNSPEC_OPTIONAL_MEMBAR constant.
7360 (builtin_read_<mode>): Delete.
7361 (builtin_write_<mode>): Delete.
7362 ("optional_membar_<mode>"): Add operand.
7364 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
7365 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
7366 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
7367 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
7368 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
7369 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
7370 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
7371 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
7372 * testsuite/gcc.target/frv/all-read-write-1.c: New.
7374 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
7376 * df.c (df_uses_record): Handle SCRATCH.
7378 2005-07-28 Steven Bosscher <stevenb@suse.de>
7381 * passes.c (rest_of_decl_compilation): If decl is a type and
7382 we have encountered errors, don't emit debug information.
7384 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7386 * params.def: Fixed comment.
7388 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
7391 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
7392 (TARGET_ASM_UNALIGNED_HI_OP): Add.
7393 (TARGET_ASM_UNALIGNED_SI_OP): Add.
7395 2005-07-27 Steven Bosscher <stevenb@suse.de>
7398 * varasm.c (assemble_start_function): Don't do anything that may
7399 require a CFG if the current function is a thunk.
7401 2005-07-25 Geoffrey Keating <geoffk@apple.com>
7403 * doc/install.texi (Prerequisites): Mention that perl is needed
7404 to do export control in libstdc++ targetting Darwin.
7406 2005-07-27 Steven Bosscher <stevenb@suse.de>
7408 PR rtl-optimization/17808
7409 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
7410 (sched_insns_conditions_mutex_p): Split out from...
7411 (add_dependence): ...here. But don't call it from here.
7412 (add_dependence_list): Check sched_insns_conditions_mutex_p
7413 before calling add_dependence.
7414 (add_dependence_list_and_free): Likewise.
7415 (fixup_sched_groups): Likewise.
7416 (sched_analyze_1): Likewise.
7417 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
7418 (sched_analyze): Likewise.
7419 (sched_analyze_insn): Likewise.
7420 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
7421 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
7422 dependencies on all COND_EXEC insns to jumps ending basic blocks
7423 when doing intrablock scheduling.
7424 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
7426 2005-07-27 Jeff Law <law@redhat.com>
7428 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
7429 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
7430 equivalency sets, correctly handle the case were vr0 has an
7431 equivalency set, but vr1 does not.
7433 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
7435 PR tree-optimization/23073
7436 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
7437 vect_print_dump_info before fprintf.
7439 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7441 PR tree-optimize/22348
7442 * tree-ssa-loop-niter.c (number_of_iterations_cond):
7443 Fold the partial computation.
7445 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7447 PR tree-optimization/22325
7448 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
7450 * tree-scalar-evolution.c (scev_const_prop): Add generic final
7452 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
7453 (force_var_cost): ... this function.
7454 (compute_phi_arg_on_exit): Export.
7456 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7458 PR tree-optimization/20773
7459 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
7462 2005-07-27 Richard Guenther <rguenther@suse.de>
7464 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
7465 Avoid pushing again if current struct contains only
7466 fields we decomposed.
7468 2005-07-27 Jan Hubicka <jh@suse.cz>
7470 PR tree-optimization/22574
7471 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
7474 * tree-tailcall.c (decrease_profile): New function.
7475 (eliminate_tail_call): Use it.
7477 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
7478 visibility flags correctly in whole program mode.
7480 2005-07-26 Steve Ellcey <sje@cup.hp.com>
7482 PR rtl-optimization/22472
7483 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
7485 2005-07-26 Steven Bosscher <stevenb@suse.de>
7487 PR tree-optimization/22504
7488 * tree-complex.c (expand_complex_addition): Use 'code' instead
7489 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
7491 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7493 * config.gcc (cpu_type): Add frv case.
7494 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
7495 (supported_defaults): Add fr550 case.
7497 2005-07-26 Diego Novillo <dnovillo@redhat.com>
7500 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
7501 whether a pointer of type T * may point to objects of type T *.
7503 2005-07-26 DJ Delorie <dj@redhat.com>
7505 * configure: Regenerate.
7507 2005-07-26 Dale Johannesen <dalej@apple.com>
7509 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
7511 2005-07-26 Mark Mitchell <mark@codesourcery.com>
7513 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
7514 Clarify use of "build" in name.
7516 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7518 * doc/extend.texi (Raw read/write Functions): New section.
7519 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
7520 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
7521 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
7522 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
7523 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
7524 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
7525 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
7526 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
7527 * config/frv/frv.c: Add bdesc_loads global.
7528 Add bdesc_stores global.
7529 (frv_init_builtins): Add support for __builtin_{read/write}*.
7530 (frv_volatile_memref): New.
7531 (frv_expand_load_builtin): New.
7532 (frv_expand_store_builtin): New.
7533 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
7534 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
7535 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
7536 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
7537 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
7538 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
7539 (builtin_read_<mode>): New.
7540 (builtin_write_<mode>): New.
7541 (builtin_write64): New.
7542 (optional_membar_<mode>): New.
7544 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
7546 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
7547 (rather than units) against HOST_BITS_PER_WIDE_INT.
7549 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
7551 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
7552 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
7553 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
7554 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
7557 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
7558 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
7559 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
7561 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
7563 2005-07-26 Richard Guenther <rguenther@suse.de>
7565 PR tree-optimization/22486
7566 * fold-const.c (fold_unary): Fold away useless component
7567 references of the form (T *)&T.x, if the address
7570 2005-07-25 James E Wilson <wilson@specifixinc.com>
7572 * dwarf2out.c (add_call_src_coords_attributes): New.
7573 (gen_inlined_subroutine_die): Call it.
7574 (maybe_emit_file, init_file_table): Add comments.
7575 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
7577 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
7578 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
7579 * tree.h (BLOCK_SOURCE_LOCATION): New.
7580 (struct tree_block): New field locus.
7582 2005-07-26 Andreas Schwab <schwab@suse.de>
7584 PR rtl-optimization/23043
7585 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
7586 when allocating a struct unoccr.
7588 2005-07-25 Richard Henderson <rth@redhat.com>
7591 * tree-complex.c (gate_no_optimization): True if errors.
7592 * Makefile.in (tree-complex.o): Update dependencies.
7594 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
7596 * config/frv/predicates.md (integer_register_operand): Use
7599 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7602 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
7604 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
7606 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7608 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
7609 types when flag_unsafe_math_optimizations is true.
7611 2005-07-25 Mark Mitchell <mark@codesourcery.com>
7613 * gcc.c (option_map): Add --sysroot.
7614 (process_command): Handle --sysroot.
7615 (display_help): Document it.
7616 * doc/cppopts.tex (-isysroot): Document.
7617 * doc/invoke.texi (--sysroot): Document.
7618 * doc/install.texi (--with-build-sysroot): Document.
7620 * Makefile.in (inhibit_libc): New variable.
7621 (INHIBIT_LIBC_CFLAGS): Likewise.
7622 (LIBGCC2_CFLAGS): Include
7623 $(INHIBIT_LIBC_CFLAGS).
7624 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
7625 ($(T)crtbegin.o): Do not use @inhibit_libc@.
7626 ($(T)crtend.o): Likewise.
7627 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
7628 ($(T)crtendS.o): Likewise.
7629 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
7630 ($(T)crtendT.o): Likewise.
7631 (stmp-fixinc): Do not complain about missing headers if
7633 * configure.ac (inhibit_libc): Set it to true/false.
7634 (--with-build-sysroot): New option. Use it to set
7636 * configure: Regenerated.
7638 2005-07-25 Manfred Hollstein <mh@suse.com>
7640 * calls.c (store_one_arg): Fix unsigned comparison warning.
7642 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
7645 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
7646 (ggc_print_statistics): Initialize variable before use.
7648 2005-07-25 Richard Guenther <rguenther@suse.de>
7650 * tree-dfa.c (mark_new_vars_to_rename): Protect against
7651 calling with a PHI_NODE argument.
7653 * tree-flow-inline.h (overlap_subvar): Protect against
7656 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
7658 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
7659 * configure: Regenerate.
7661 2005-07-25 Ira Rosen <irar@il.ibm.com>
7663 * expr.c (highest_pow2_factor): Make extern.
7664 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
7665 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7666 record_array_differ_p, array_ptr_differ_p): Likewise.
7667 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
7668 additional cases. Call the above functions.
7669 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
7670 base_object_differ_p when there are two base objects. Otherwise, compare
7671 base address and offset. Call may_alias_p.
7672 (dump_data_reference): Use a correct field name.
7673 (analyze_array): Make static. Initialize new data-ref fields.
7674 (analyze_indirect_ref): New function.
7675 (init_data_ref): Initialize new data-ref fields.
7676 (strip_conversion): Moved from tree-vect-analyze.c.
7677 (analyze_offset_expr, get_ptr_offset, address_analysis,
7678 object_analysis): Likewise.
7679 (analyze_offset): New function.
7680 (create_data_ref): Likewise.
7681 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
7682 dimensions for ARRAY_REFs only.
7683 (build_classic_dist_vector): Make static.
7684 (access_functions_are_affine_or_constant_p): Call macro to get the
7685 address of access functions.
7686 (compute_all_dependences): Add new parameter
7687 compute_self_and_read_read_dependences. Compute self and read-read
7688 dependences if it is true.
7689 (find_data_references_in_loop): Call create_data_ref. Initialize new
7691 (compute_data_dependences_for_loop): Add new parameter
7692 compute_self_and_read_read_dependences. Remove parameter nb_loops,
7693 compute nb_loops. Call compute_all_dependences,
7694 build_classic_dist_vector and build_classic_dir_vector with correct
7696 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
7697 with correct parameters. Compare dimensions for ARRAY_REFs only.
7698 (free_data_refs): Call macro to free access functions.
7699 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
7700 fields from stmt_vinfo.
7701 (struct base_object_info): New structure.
7702 (struct data_reference): Move fields to base_object_info. Add fields
7703 first_location and object_info for above structures. Move fields from
7704 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
7705 aligned_to. Add macros to access the new fields.
7706 Update functions declarations.
7707 * tree-flow.h (is_aliased_with): Declare.
7708 * tree-loop-linear.c (linear_transform_loops): Call
7709 compute_data_dependences_for_loop with correct parameters.
7710 * tree-ssa-alias.c (is_aliased_with): New function.
7711 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
7712 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
7713 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
7714 vect_base_addr_differ_p, compute_subscript_distance and
7715 build_classic_dist_vector. Add printings. Check absolute value of
7717 (vect_analyze_data_ref_dependences): Go through ddrs instead of
7719 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
7720 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
7721 to bytes. Add printing.
7722 (vect_compute_data_refs_alignment): Go through loads and stores in one
7724 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
7725 vect_analyze_data_ref_access): Likewise.
7726 (vect_analyze_pointer_ref_access): Remove.
7727 (vect_address_analysis, vect_object_analysis): Likewise.
7728 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
7729 and analyze data-refs in the loop.
7730 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
7731 fields of data-ref instead of stmt. Add init to the offset from the
7733 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
7734 (vect_update_init_of_dr): Likewise.
7735 (vect_update_inits_of_drs): Go through loads and stores in one loop.
7736 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
7738 (new_loop_vec_info): Initialize new fields.
7739 (destroy_loop_vec_info): Free new fields.
7740 (vect_strip_conversion): Remove.
7741 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
7742 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7743 datarefs. Add new field ddrs.
7744 Add macros for the new fields access.
7745 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
7746 base_aligned_p, misalignment, memtag, ptr_info and subvars.
7747 Remove their macros.
7748 * tree.h (highest_pow2_factor): Declare.
7750 2005-07-25 Jakub Jelinek <jakub@redhat.com>
7752 * calls.c (store_one_arg): Check for sibling call MEM arguments
7753 from already clobbered incoming argument area.
7755 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7757 * c-common.c (check_missing_format_attribute): New.
7758 * c-common.h (check_missing_format_attribute): Likewise.
7759 * c-typeck.c (convert_for_assignment): Use it.
7761 2005-07-24 Andreas Schwab <schwab@suse.de>
7763 * config/m68k/m68k.md ("extendqidi2"): When source is an address
7764 register use a word move. Correct operand of ext.w in 68000 code.
7766 2005-07-23 Mark Mitchell <mark@codesourcery.com>
7768 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
7769 variables as declarations, rather than definitions.
7771 2005-07-24 Ira Rosen <irar@il.ibm.com>
7773 PR tree-optimization/22526
7774 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
7777 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7779 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
7780 that C99 reserve for future use. Use it to define clog10,
7781 clog10f and clog10l.
7783 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7785 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
7786 * configure.ac: Check for -Wmissing-format-attribute.
7788 * configure: Regenerate.
7790 2005-07-23 Richard Henderson <rth@redhat.com>
7792 PR tree-optimization/22623
7793 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
7795 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
7798 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
7800 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7802 * Makefile.in (C_TREE_H): Update dependencies.
7803 * c-tree.h: Include toplev.h.
7804 * diagnostic.h (diagnostic_set_info): Add format attribute.
7805 * rtl-error.c (diagnostic_for_asm): Likewise.
7807 2005-07-23 Chao-ying Fu <fu@mips.com>
7809 * config/mips/mips-dsp.md: New file.
7810 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
7811 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
7813 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
7814 MIPS_BUILTIN_BPOSGE32.
7815 (mips_expand_builtin_direct): Add one parameter to indicate that
7816 builtin functions need to return a value.
7817 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
7819 (mips_regno_to_class): Add classes for 12 new DSP registers.
7820 (mips_subword): Change to check four HI registers.
7821 (mips_output_move): Output move to and from 6 new DSP accumulators.
7822 (override_options): Make sure -mdsp and -mips16 are not used together.
7823 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
7825 (mips_conditional_register_usage): Disable 6 new DSP accumulators
7827 (print_operand): Add 'q' for printing DSP accumulators.
7828 (mips_cannot_change_mode_class): Check ACC_REGS.
7829 (mips_secondary_reload_class): Check ACC_REGS.
7830 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
7831 (mips_register_move_cost): Check ACC_REGS.
7832 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
7833 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
7834 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
7835 (dsp_bdesc): New array.
7836 (bdesc_arrays): Add DSP builtin function table.
7837 (mips_prepare_builtin_arg): Check predicate again after
7839 (mips_expand_builtin): Add one more parameter to
7840 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
7841 MIPS_BUILTIN_BPOSGE32.
7842 (mips_init_builtins): Initialize new function types.
7843 (mips_expand_builtin_direct): Check if builtin functions need to
7844 return a value and pass operands properly.
7845 (mips_expand_builtin_bposge): New function.
7846 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
7847 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
7848 (FIRST_PSEUDO_REGISTER): Increase to 188.
7849 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
7850 Update for 12 new DSP registers.
7851 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
7852 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
7853 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
7854 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
7855 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
7856 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
7857 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
7858 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
7859 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
7860 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
7861 (REGISTER_NAMES): Add names for 12 new DSP registers.
7862 * config/mips/mips.md: Include mips-dsp.md.
7863 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
7864 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
7865 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
7866 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
7867 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
7868 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
7869 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
7870 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
7871 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
7872 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
7873 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
7874 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
7875 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
7876 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
7877 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
7878 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
7879 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
7880 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
7881 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
7882 (UNSPEC_RDDSP): New constants.
7883 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
7884 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
7886 * config/mips/mips.opt (-mdsp): New option.
7887 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
7888 (reg_imm10_operand): New predicates.
7889 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
7890 * doc/invoke.texi (-mdsp): Document new option.
7892 2005-07-22 DJ Delorie <dj@redhat.com>
7894 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
7896 * tree-inline.c (inlinable_function_p): Likewise.
7898 2005-07-22 Mark Mitchell <mark@codesourcery.com>
7901 * toplev.c (check_global_declarations): Do not mark undefined
7902 variables as DECL_IGNORED_P.
7903 * varasm.c (first_global_object_name): GTY it.
7904 (weak_global_object_name): Likewise.
7905 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
7906 a string to go into {weak,first}_global_object_name.
7908 2005-07-22 DJ Delorie <dj@redhat.com>
7910 * c-format.c (check_function_format): Change warning control
7911 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
7913 2005-07-22 Diego Novillo <dnovillo@redhat.com>
7915 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
7916 &PTR->FLD a dereference of PTR.
7917 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
7918 a potential dereference of PTR.
7920 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
7922 PR rtl-optimization/20370
7923 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
7924 call allocate_reg_info if necessary.
7926 PR rtl-optimization/21848
7927 * calls.c (emit_library_call_value_1): For const functions, add
7928 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
7930 PR rtl-optimization/22445
7931 * cselib.c (target.h): Include.
7932 (rtx_equal_for_cselib_p): Allow commutative matches.
7933 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
7934 Remove MODE parameter. Changed all callers.
7936 PR rtl-optimization/22258
7937 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
7939 (try_combine): Use likely_spilled_retval_p.
7941 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
7943 * config.gcc: Add crx-elf support.
7945 * doc/contrib.texi: Mention crx.
7946 * doc/extend.texi: Document crx extensions.
7947 * doc/install.texi: Document crx install.
7948 * doc/invoke.texi: Document crx options.
7949 * doc/md.texi: Document crx constraints.
7951 * config/crx/crx-protos.h: New file.
7952 * config/crx/crx.c: New file.
7953 * config/crx/crx.h: New file.
7954 * config/crx/crx.md: New file.
7955 * config/crx/crx.opt: New file.
7956 * config/crx/t-crx: New file.
7958 2005-07-22 Manfred Hollstein <mh@suse.com>
7960 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
7962 (int_add_graph_edge): Likewise.
7963 (collapse_nodes): Likewise.
7964 (process_unification_queue): Likewise.
7966 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7967 Laurent GUERBY <laurent@guerby.net>
7969 PR tree-optimization/22336
7970 * function.c (record_block_change): Check for
7971 cfun->ib_boundaries_block.
7973 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
7975 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
7976 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
7978 2005-07-21 DJ Delorie <dj@redhat.com>
7980 * toplev.c (warn_deprecated_use): Add warning control to warning
7982 * c-typeck.c (parser_build_binary_op): Likewise.
7983 (c_finish_if_stmt): Likewise.
7984 * c-common.c (check_function_sentinel): Likewise.
7985 (check_nonnull_arg): Likewise.
7987 2005-07-21 Richard Henderson <rth@redhat.com>
7990 * tree-complex.c (complex_ssa_name_components): New.
7991 (cvc_lookup): Allow entry not found.
7992 (create_components): Remove.
7993 (create_one_component_var, get_component_var): New.
7994 (get_component_ssa_name, set_component_ssa_name): New.
7995 (extract_component): Use get_component_ssa_name.
7996 (update_complex_components): Use set_component_ssa_name.
7997 (update_complex_components_on_edge): Likewise.
7998 (update_phi_components): Create new PHI nodes directly, instead
7999 of adding insns to edges.
8000 (tree_lower_complex): Allocate and free complex_variable_components
8001 and complex_ssa_name_components here.
8003 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
8005 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
8006 revert to returning false.
8008 2005-07-21 Uros Bizjak <uros@kss-loka.si>
8011 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
8013 2005-07-21 Uros Bizjak <uros@kss-loka.si>
8016 * config/i386/i386.md (cmpxf): Change operand constraints
8017 to "nonmemory_operand".
8019 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
8021 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
8023 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
8026 * fold-const.c (fold_build1): Add checksum for the operands.
8027 (fold_build2): Likewise.
8028 (fold_build3): Likewise.
8030 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
8033 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
8035 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
8037 * common.opt (-fforward-propagate): Committed by mistake,
8040 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8042 * reg-stack.c: Fix comment typo(s).
8043 * tree-ssa-operands.c: Likewise.
8044 * tree-vectorizer: Likewise.
8046 2005-07-21 Nick Clifton <nickc@redhat.com>
8048 * config/sh/symbian.c: Replace C++ style line comments with C
8049 style line comments.
8050 (symbian_add_attribute): Do not use a ? operator on the LHS of
8052 (sh_symbian_handle_dll_attribute): Change the type of the
8053 method vector to "VEC(tree,gc)*" and use vector accessor
8054 macros to walk over the elements.
8055 (symbian_export_vtable_and_rtti_p): Likewise.
8056 (symbian_class_needs_attribute_p): Likewise.
8058 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
8061 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
8062 initialize targetm.resolve_overloaded_builtin here.
8063 (altivec_expand_overloaded_builtin): Make it non-static.
8064 * config/rs6000/rs6000-protos.h
8065 (altivec_expand_overloaded_builtin): New prototype.
8066 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
8067 targetm.resolve_overloaded_builtin here.
8068 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
8070 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
8071 Zdenek Dvorak <dvorakz@suse.cz>
8073 PR tree-optimization/19210
8074 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
8076 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
8077 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
8078 rely on unproven assumptions.
8079 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
8080 * tree-flow.h (number_of_iterations_exit): Add final parameter.
8081 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
8082 to number_of_iterations_exit.
8083 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
8084 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
8085 * tree-ssa-loop-niter.c (find_loop_niter,
8086 estimate_numbers_of_iterations_loop): Likewise.
8087 (number_of_iterations_exit): Honor the new options.
8088 * doc/invoke.texi (Wunsafe-loop-optimizations,
8089 funsafe-loop-optimizations): Document them.
8091 2005-07-21 Richard Sandiford <richard@codesourcery.com>
8093 PR rtl-optimization/22167
8094 * gcse.c (hoist_code): Fix hoist_exprs[] check.
8096 2005-07-20 Adam Nemet <anemet@lnxw.com>
8098 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
8099 __do_global_dtors_aux longcall.
8101 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
8103 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
8104 (old_special_pred_table): Don't reference
8105 SPECIAL_MODE_PREDICATES.
8106 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
8107 * config/arc/arc.h: Don't mention PREDICATE_CODES.
8108 * config/sh/predicates.h: Don't mention
8109 SPECIAL_MODE_PREDICATES.
8110 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
8113 2005-07-20 DJ Delorie <dj@redhat.com>
8115 * config.gcc: Add m32c-elf support.
8117 * doc/contrib.texi: Mention m32c.
8118 * doc/extend.texi: Document m32c extensions.
8119 * doc/install.texi: Mention m32c.
8120 * doc/invoke.texi: Document m32c options.
8121 * doc/md.texi: Document m32c constraints.
8123 * config/m32c/addsub.md: New file.
8124 * config/m32c/bitops.md: New file.
8125 * config/m32c/cond.md: New file.
8126 * config/m32c/jump.md: New file.
8127 * config/m32c/m32c-lib1.S: New file.
8128 * config/m32c/m32c-lib2.c: New file.
8129 * config/m32c/m32c-modes.def: New file.
8130 * config/m32c/m32c-pragma.c: New file.
8131 * config/m32c/m32c-protos.h: New file.
8132 * config/m32c/m32c.abi: New file.
8133 * config/m32c/m32c.c: New file.
8134 * config/m32c/m32c.h: New file.
8135 * config/m32c/m32c.md: New file.
8136 * config/m32c/m32c.opt: New file.
8137 * config/m32c/minmax.md: New file.
8138 * config/m32c/mov.md: New file.
8139 * config/m32c/muldiv.md: New file.
8140 * config/m32c/predicates.md: New file.
8141 * config/m32c/prologue.md: New file.
8142 * config/m32c/shift.md: New file.
8143 * config/m32c/t-m32c: New file.
8145 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
8147 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8148 (stack_protect_set, stack_protect_test): New expanders.
8149 (stack_protect_set_si, stack_protect_set_si_media,
8150 stack_protect_set_di_media, stack_protect_test_si,
8151 stack_protect_test_si_media, stack_protect_test_di_media):
8154 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
8156 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
8158 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
8160 * tree.h (tree_expr_nonzero_p): Export.
8161 * fold-const.c (tree_expr_nonzero_p): Likewise.
8162 Return true for CALL_EXPRs that are alloca calls.
8163 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
8165 * tree-flow.h (expr_computes_nonzero): Remove.
8166 * tree-vrp.c (expr_computes_nonzero): Remove.
8167 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
8168 (extract_range_from_unary_expr): Likewise.
8169 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
8170 tree_expr_nonzero_p.
8172 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
8174 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
8175 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
8176 extra arg "picreg" and use it instead of pic_offset_table_rtx.
8177 All callers changed.
8178 (frame_related_constant_load): New arg "related" which controls
8179 setting of RTX_FRAME_RELATED_P. All callers changed.
8180 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
8181 (bfin_expand_prologue): Add stack limit checking.
8182 * config/bfin/bfin.md (trapifcc): New pattern.
8184 * config/bfin/bfin.c: Include "langhooks.h".
8185 (def_builtin): Go through lang_hooks to call builtin_function.
8187 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
8188 * config/bfin/predicates.md (symbol_ref_operand): New.
8189 (call_insn_operand): Delete. All callers changed to use
8190 register_no_elim_operand.
8191 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
8193 (function_arg): Use it to generate the call's operand 2.
8194 (bfin_longcall_p): New function.
8195 (bfin_expand_call): Extra arg "cookie". All callers and declaration
8196 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
8197 determine if the address needs to be in a REG.
8198 (bfin_handle_longcall_attribute): New function.
8199 (bfin_attribute_table): Add "longcall" and "shortcall".
8200 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
8201 (CUMULATIVE_ARGS): New member call_cookie.
8202 (PREDICATE_CODES): Add symbol_ref_operand.
8203 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
8204 extra USE to the pattern.
8205 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
8206 New patterns, split off call_insn, sibcall_insn, call_value_insn and
8207 sibcall_value_insn; now the new patterns handle direct calls and the
8208 old ones indirect calls.
8209 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
8211 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
8213 * doc/trouble.texi: Update section on handling of empty loops.
8215 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
8217 * config.gcc: Remove support for sparc-*-openbsd*,
8218 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
8220 * config.host: Remove support for i860-*-sysv4* as a host.
8221 * config/i860/*, config/ip2k/*, config/ns32k/*,
8222 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
8223 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
8224 mention obsolete ports.
8226 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
8228 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
8230 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
8231 of frame_pointer_rtx.
8232 (sh_expand_epilogue): Likewise.
8233 (sh_set_return_address): Likewise.
8234 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
8235 instead of FRAME_POINTER_REGNUM if needed. Add elimination
8236 offsets from FRAME_POINTER_REGNUM.
8237 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
8238 (sh_register_names): Add initializer for sfp.
8239 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
8240 (VALID_REGISTER_P): Likewise.
8241 (FIRST_PSEUDO_REGISTER): Update.
8242 (DWARF_FRAME_REGISTERS): Define.
8243 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
8244 (HARD_FRAME_POINTER_REGNUM): Define.
8245 (FRAME_POINTER_REGNUM): Redefine.
8246 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
8247 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
8248 from FRAME_POINTER_REGNUM.
8249 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
8250 FRAME_POINTER_REGNUM.
8251 (REG_CLASS_CONTENTS): Add sfp.
8252 (REG_ALLOC_ORDER): Likewise.
8253 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
8254 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
8255 of frame_pointer_rtx.
8256 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
8258 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
8260 * fold-const.c (tree_expr_nonnegative_p): Only return true for
8261 ABS_EXPR when flag_wrapv is false because of INT_MIN.
8262 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
8264 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
8267 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
8269 Make CONSTRUCTOR use VEC to store initializers.
8270 * c-common.c (complete_array_type): Update to cope with VEC in
8272 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
8273 (pp_c_constructor_elts): New function.
8274 * c-pretty-print.h (pp_c_constructor_elts): Declare.
8275 * c-typeck.c (build_function_call, build_c_cast, digest_init,
8276 struct constructor_stack, struct initializer_stack,
8277 constructor_elements, push_init_level, pop_init_level,
8278 add_pending_init, find_init_member, output_init_element): Update to
8279 cope with VEC in CONSTRUCTOR_ELTS.
8280 * coverage.c (build_fn_info_value, build_ctr_info_value,
8281 build_gcov_info): Likewise.
8282 * expr.c (categorize_ctor_elements_1, store_constructor,
8283 expand_expr_real_1): Likewise.
8284 * fold-const.c (fold_ternary): Likewise.
8285 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
8286 gimplify_init_constructor, gimplify_expr): Likewise.
8287 * tree-dump.c (dequeue_and_dump): Likewise.
8288 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
8290 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
8292 * tree-sra.c (generate_element_init_1): Likewise.
8293 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
8294 * tree-ssa-operands.c (get_expr_operands): Likewise.
8295 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
8296 * tree-vect-transform.c (vect_get_vec_def_for_operand):
8297 (get_initial_def_for_reduction): Likewise.
8298 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
8299 value handle in annotations.
8300 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
8301 tree_node_structure): Add support for constr_kind.
8302 (build_vector_from_ctor, build_constructor_single,
8303 build_constructor_from_list): New functions.
8304 (build_constructor): Update to take a VEC instead of a TREE_LIST.
8305 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
8306 Update to cope with VEC in CONSTRUCTOR_ELTS.
8307 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
8308 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
8309 CONSTRUCTOR_APPEND_ELT): New macros.
8310 (struct constructor_elt, struct tree_constructor): New data types.
8311 (union tree_node): Add tree_constructor field.
8312 * treestruct.def: Define TS_CONSTRUCTOR.
8313 * varasm.c (const_hash_1, compare_constant, copy_constant,
8314 compute_reloc_for_constant, output_addressed_constants,
8315 initializer_constant_valid_p, output_constant,
8316 array_size_for_constructor, output_constructor): Update to cope with
8317 VEC in CONSTRUCTOR_ELTS.
8318 * vec.h (VEC_empty, VEC_copy): New macros.
8320 2005-07-19 Devang Patel <dpatel@apple.com>
8322 * dbxout.c (dbxout_type): Check Objective-C++ lang.
8324 2005-07-19 Richard Henderson <rth@redhat.com>
8327 * gimplify.c (gimplify_expr): Use main variant type for the temp
8328 destination for a discarded volatile read.
8329 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
8330 casts between non-void types that change volatility.
8332 2005-07-15 DJ Delorie <dj@redhat.com>
8334 * toplev.h: Add comment about the first parameter for warning().
8335 * errors.h: Likewise.
8337 * c.opt (Wpragmas): New.
8338 * doc/invoke.texi: Document it.
8340 * function.c (do_warn_unused_parameter): Add warning control to
8342 * c-decl.c (warn_if_shadowing): Likewise.
8343 * c-lex.c (cb_def_pragma): Likewise.
8344 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
8345 (pop_alignment): Likewise.
8346 (handle_pragma_pack): Likewise.
8347 (apply_pragma_weak): Likewise.
8348 (handle_pragma_weak): Likewise.
8349 (handle_pragma_redefine_extname): Likewise.
8350 (add_to_renaming_pragma_list): Likewise.
8351 (handle_pragma_extern_prefix): Likewise.
8352 (maybe_apply_renaming_pragma): Likewise.
8353 (handle_pragma_visibility): Likewise.
8355 * config/c4x/c4x-c.c (BAD): Likewise.
8356 (c4x_parse_pragma): Likewise.
8357 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
8358 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
8359 (rs6000_pragma_longcall): Likewise.
8360 * config/v850/v850-c.c (pop_data_area): Likewise.
8361 (ghs_pragma_section): Likewise.
8362 (ghs_pragma_section): Likewise.
8363 (ghs_pragma_interrupt): Likewise.
8364 (ghs_pragma_starttda): Likewise.
8365 (ghs_pragma_startsda): Likewise.
8366 (ghs_pragma_startzda): Likewise.
8367 (ghs_pragma_endtda): Likewise.
8368 (ghs_pragma_endsda): Likewise.
8369 (ghs_pragma_endzda): Likewise.
8371 2005-07-19 Danny Berlin <dberlin@dberlin.org>
8372 Kenneth Zadeck <zadeck@naturalbridge.com>
8374 * Makefile.in: Removed tree-promote-statics.c
8375 * tree-promote-statics.c: Removed.
8376 * common.opt: Removed flag-promote-statics.
8378 * passes.c: Removed tree-promote-statics pass.
8379 * tree-pass.h: Ditto.
8380 * timevar.def: Removed TV_PROMOTE_STATICS.
8383 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
8385 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
8387 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
8389 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8392 * c-common.c (check_function_arguments): Call
8393 'check_function_format' if either -Wformat or
8394 -Wmissing-format-attribute are specified.
8395 * c-format.c (check_function_format): Check -Wformat before
8396 calling 'check_format_info'.
8397 * c-opts.c (c_common_post_options): Don't warn for
8398 -Wmissing-format-attribute without -Wformat.
8399 * c-typeck.c (convert_for_assignment): Detect additional cases for
8400 -Wmissing-format-attribute.
8401 * doc/invoke.texi (-Wmissing-format-attribute): Document new
8404 2005-07-19 Richard Guenther <rguenther@suse.de>
8406 * config/i386/i386.md (lrint<mode>2): Use temporary
8407 instead of clobbering non-existent memory.
8409 2005-07-19 Nick Clifton <nickc@redhat.com>
8411 * config/avr/avr.c (legitimate_address_p): Fix debugging print
8412 statement to avoid displaying ASCII control characters.
8414 2005-07-19 Ben Elliston <bje@au.ibm.com>
8416 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
8417 * cfganal.c (find_edge_index): Ditto.
8418 * combine.c (combine_instructions): Ditto.
8419 * ddg.c (create_scc): Ditto.
8420 (find_successors): Ditto.
8421 (find_predecessors): Ditto.
8422 (find_nodes_on_paths): Ditto.
8423 (longest_simple_path): Ditto.
8424 * flow.c (update_life_info): Ditto.
8425 (count_or_remove_death_notes): Ditto.
8426 (clear_log_links): Ditto.
8427 * modulo-sched.c (generate_reg_moves): Ditto.
8428 (find_max_asap): Ditto.
8429 (find_max_hv_min_mob): Ditto.
8430 (find_max_dv_min_mob): Ditto.
8431 * sbitmap.c (sbitmap_first_set_bit): Ditto.
8432 * sched-rgn.c (extract_edgelst): Ditto.
8433 * tree-into-ssa.c (prepare_names_to_update): Ditto.
8434 (dump_update_ssa): Ditto.
8435 (ssa_names_to_replace) Ditto.
8436 (switch_virtuals_to_full_rewrite): Ditto.
8437 (update_ssa): Ditto.
8438 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
8440 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
8442 Fix PR tree-optimization/22483
8444 * tree-complex.c (create_components): Use
8445 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
8446 * tree-flow-inline.h (fill_referenced_var_vec): New function.
8447 * tree-flow.h (safe_referenced_var_iterator): New structure.
8448 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
8449 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
8450 safe_referenced_var iterator.
8451 (add_type_alias): Ditto.
8453 2005-07-19 Steven Bosscher <stevenb@suse.de>
8455 * loop-init.c (rest_of_handle_loop2): Remove.
8456 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
8457 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
8458 (pass_rtl_loop_init, pass_rtl_loop_done,
8459 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
8460 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
8461 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
8462 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
8463 pass_tree_loop_done, and pass_tree_unswitch.
8464 (gate_loop): Rename to gate_tree_loop.
8465 * passes.c (init_optimization_passes): Update for renamed tree
8466 loop passes. Add the new loop2 passes as subpasses of loop2.
8467 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
8468 Update for the renamed tree loop passes.
8470 2005-07-18 Ian Lance Taylor <ian@airs.com>
8473 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
8474 blocks when optimizing.
8476 2005-07-18 Steve Ellcey <sje@cup.hp.com>
8478 * common.opt (frename-registers): Initialize to 2.
8480 (fgcse-after-reload): Ditto.
8481 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
8482 (process_options): Only change flag_web, flag_rename_registers,
8483 and flag_rerun_cse_after_loop if not explicitly set by user.
8485 2005-07-18 Jan Beulich <jbeulich@novell.com>
8487 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
8488 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
8489 in 64-bit mode the same as DImode in 32-bit mode.
8490 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
8491 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
8492 mode. Add new mode parameter.
8493 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
8494 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
8495 x86_64_shift_adj): New expanders.
8496 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
8497 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
8499 Respective new splitters. Use renamed shift splitter helpers in 32-bit
8500 DImode shift splitters.
8501 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
8502 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
8505 2005-07-18 Jan Beulich <jbeulich@novell.com>
8507 * i386.md (movdi_extzv_1): New.
8508 (zero_extendhidi2): Combine alternatives and never force use of
8510 (zero_extendqidi2): Likewise. Don't restrict input selection.
8512 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8514 Fix PR tree-optimization/22531
8515 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
8518 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8520 * tree-promote-statics.c (pass_promote_statics): Change dump file
8523 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8525 * tree-optimize.c (init_tree_optimization_passes): Add
8526 pass_eliminate_useless_stores pass.
8527 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
8528 * tree-ssa-pre.c (is_copy_stmt): New function.
8529 (follow_copies_till_vuse): Ditto.
8530 (do_eustores): Ditto.
8531 (gate_eustores): Ditto.
8533 2005-07-16 Richard Henderson <rth@redhat.com>
8535 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
8537 2005-07-16 Danny Berlin <dberlin@dberlin.org>
8538 Kenneth Zadeck <zadeck@naturalbridge.com>
8540 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
8541 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
8542 ipa-type-escape.h, tree-promote-statics.c
8543 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
8544 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
8545 tree-promote-statics.c: new files.
8546 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
8547 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
8548 int nonlocal_set_p, mark_constant_function): Deleted.
8549 (rest_of_handle_cfg): Removed call to mark_constant_function.
8550 (nonoverlapping_component_refs_p): Added calls to support
8551 type based aliasing.
8552 * tree-ssa-alias.c (may_alias_p,
8553 compute_flow_insensitive_aliasing): Ditto.
8554 * calls.c (flags_from_decl_or_type): Removed reference to
8556 * c-typeck.c (convert_arguments): Make builtins tolerant of having
8557 too many arguments. This is necessary for Spec 2000.
8558 * cgraph.h (const_function, pure_function): Removed.
8559 * common.opt: Added "fipa-pure-const", "fipa-reference",
8560 "fipa-type-escape", and "ftree-promote-static".
8562 * passes.c: Added ipa and tree-promote-statics passes.
8563 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
8564 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
8565 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
8566 * tree-flow.h: Added exposed sra calls and addition of
8567 reference_vars_info field for FUNCTION_DECLS.
8568 * tree-pass.h: Added passes.
8569 * tree-sra.c: (sra_init_cache): New function.
8570 (sra_insert_before, sra_insert_after) Made public.
8571 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
8573 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
8574 aliasing. (may_alias_p): Added code to use type escape analysis to
8576 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
8577 code to prune clobbers of static variables based on information
8578 produced in ipa-reference pass. Changed call clobbering so that
8579 statics are not marked as clobbered if the call does not clobber
8582 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
8584 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
8587 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8589 * doc/install.texi (*-*-solaris2*): Document recommended version
8590 of GNU binutils and mention GNU linker problem on Solaris 10.
8592 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
8595 * c-decl.c (c_build_bitfield_integer_type): New function.
8596 (finish_struct): Call it.
8597 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
8599 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8601 * c-typeck.c (digest_init): Call 'convert_for_assignment'
8604 2005-07-16 Jan Hubicka <jh@suse.cz>
8606 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
8607 (scale_bbs_frequencies_int): Watch roundoff errors.
8608 * predict.c (return_prediction): Initialize return_stmt.
8610 2005-07-16 Jan Hubicka <jh@suse.cz>
8612 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
8613 after RTL profiling.
8615 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
8618 * fold-const.c (build_range_check): Convert high/low to etype
8619 if we are only comparing against exp.
8621 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
8623 Fix PR tree-optimization/22376
8624 * tree-ssa-structalias.c (build_constraint_graph): We really meant
8626 (need_to_solve): New function.
8627 (compute_points_to_sets): Use it.
8629 2005-07-15 Jan Hubicka <jh@suse.cz>
8631 * cfg.c (update_bb_profile_for_threading): More diagnostic.
8632 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
8634 2005-07-15 Richard Guenther <rguenther@suse.de>
8636 * c-common.c (handle_flatten_attribute): New function.
8637 Add flatten function attribute.
8638 * doc/extend.texi: Document flatten function attribute.
8639 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
8640 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8642 (cgraph_decide_inlining): Handle functions with flatten
8645 2005-07-14 David Edelsohn <edelsohn@gnu.org>
8647 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
8648 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
8649 UNSPEC_XCHG, UNSPEC_AND): New.
8650 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
8651 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
8652 * config/rs6000/sync.md (FETCHOP): New code macro.
8653 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
8655 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
8656 (sync_compare_and_swap<mode>): Same.
8657 (sync_lock_test_and_set<mode>): Same.
8658 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
8659 for QImode and HImode, and not PPC405.
8660 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
8661 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
8662 (sync_<fetchop>{si,di}_internal): New.
8663 (sync_nand{si,di}_internal): New.
8664 (sync_old_<fetchop>{si,di}_internal): New.
8665 (sync_old_nand{si,di}_internal): New
8666 (sync_new_<fetchop>{si,di}_internal): New.
8667 (sync_new_nand{si,di}_internal): New.
8668 (atomic_and{si,di}): New.
8669 (sync_new_nand{si,di}_internal): New.
8670 (atomic_and{si,di}): New.
8671 (sync_add<mode>_internal): Delete.
8672 (sync_addshort_internal): Use unspec instead of unspec_volatile.
8673 (sync_sub<mode>_internal): Delte.
8674 (sync_subshort_internal): New.
8675 (sync_andsi_internal): Use unspec instead of unspec_volatile.
8676 (sync_anddi_internal): Delete.
8677 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
8678 (sync_booldi_internal): Delete.
8679 (sync_boolc<mode>_internal): Delete.
8680 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
8681 (sync_boolc<mode>_internal2): Delete.
8682 (sync_boolcc<mode>_internal): Delete.
8683 (isync, lwsync): Use unspec instead of unspec_volatile.
8684 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
8685 Revert UNSPEC_VOLATILE.
8686 (rs6000_split_atomic_op): New.
8687 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
8689 2005-07-14 Eric Christopher <echristo@redhat.com>
8691 * config/mips/mips.c (mips_canonicalize_comparison): Cast
8692 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
8694 2005-07-14 Eric Christopher <echristo@redhat.com>
8696 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
8698 2005-07-14 Steven Bosscher <stevenb@suse.de>
8700 PR tree-optimization/22230
8701 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
8702 the computation of the four cross productions for "range op range".
8704 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
8705 Ulrich Weigand <uweigand@de.ibm.com>
8708 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
8711 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8713 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
8715 2005-07-14 Steve Ellcey <sje@cup.hp.com>
8717 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
8719 2005-07-14 Richard Guenther <rguenther@suse.de>
8722 * config/i386/i386-protos.h (ix86_function_value): Change
8723 prototype to match new target hook.
8724 * config/i386/i386.c (ix86_value_regno): Change prototype
8725 to take extra type argument.
8726 (TARGET_FUNCTION_VALUE): Define.
8727 (ix86_function_ok_for_sibcall): Pass extra argument to
8728 ix86_value_regno, check return slot rtx for exact match.
8729 (ix86_function_value): Take extra parameter. Dispatch to
8730 ix86_value_regno with fndecl/fntype as provided.
8731 (ix86_value_regno): Handle extra type argument.
8732 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
8734 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
8735 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
8736 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
8737 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
8738 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
8740 2005-07-14 Richard Guenther <rguenther@suse.de>
8742 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
8743 * calls.c (expand_call): Pass fntype to hard_function_value.
8744 (emit_library_call_value_1): Likewise.
8745 * explow.c: Include target.h.
8746 (hard_function_value): Take extra argument, the fntype.
8747 Use new target hook for function_value.
8748 * expr.h (hard_function_value): Change prototype.
8749 * function.c (aggregate_value_p): Pass 0 as fntype to
8750 hard_function_value.
8751 (assign_parms): Use new target hook for function_value.
8752 Pass 0 as fntype to hard_function_value.
8753 (expand_function_end): Likewise.
8754 * reg-stack.c: Include target.h.
8755 (stack_result): Use new target hook for function_value.
8756 * target-def.h: New target hook function_value.
8757 * target.h: Likewise.
8758 * targhooks.c (default_function_value): New function.
8759 * targhooks.h (default_function_value): Declare.
8761 2005-07-13 Ian Lance Taylor <ian@airs.com>
8763 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
8765 2005-07-14 Jan Hubicka <jh@suse.cz>
8767 * tree-dfa.c (dump_variable): Use default_def function.
8768 * tree-ssa-alias.c (dump_points_to_info): Likewise.
8769 * tree-ssa.c (verify_use): Likewise.
8770 * tree-ssanames.c (release_ssa_name): Likewise.
8771 * tree-tailcall.c (eliminate_tail_call): Likewise.
8772 (tree_optimize_tail_calls_1): Likewise.
8773 * tree-vrp.c (get_value_range): Likewise.
8775 2005-07-14 Ben Elliston <bje@au.ibm.com>
8777 * gcc.c (main): Compare language[0] with '*' when iterating over
8780 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8782 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
8783 "s390_emit_compare". Add handling of CCZ1mode.
8784 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
8785 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
8787 (s390_branch_condition_mask): Add CCZ1mode handling.
8788 * config/s390/s390.md: ("seq", "*seq"): New pattern.
8789 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
8790 Use CCZ1mode instead of CCZmode.
8791 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
8793 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8795 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
8797 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
8799 2005-07-13 Eric Christopher <echristo@redhat.com>
8801 * config/mips/mips.c (mips_canonicalize_comparison): New.
8802 (mips_emit_int_relational): Use.
8804 2005-07-13 Eric Christopher <echristo@redhat.com>
8806 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8808 * config/s390/s390.md: Include tpf.md. Move tpf specific
8810 * config/s390/tpf.md: To here.
8811 * config/s390/s390.opt: Move tpf specific options...
8812 * config/s390/tpf.opt: to here. Add mmain option.
8813 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8814 * config/s390/tpf.h: Rewrite.
8816 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8818 * doc/tm.texi: Remove @xref{Cross-profiling}.
8820 2005-07-13 Jeff Law <law@redhat.com>
8822 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
8823 expressions, test their _DECL operands for pointer equality rather
8824 than using operand_equal_p.
8826 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8828 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
8829 (TARGET_POSIX_IO): This.
8830 * config/darwin.h: Likewise.
8831 * config/freebsd.h: Likewise.
8832 * config/linux.h: Likewise.
8833 * config/lynx.h: Likewise.
8834 * config/netbsd.h: Likewise.
8835 * config/rs6000/linux64.h: Likewise.
8836 * config/rs6000/linux.h: Likewise.
8837 * config/s390/tpf.h: Likewise.
8838 * config/sh/embed-elf.h: Likewise.
8839 * config/sparc/linux64.h: Likewise.
8840 * config/sparc/linux.h: Likewise.
8841 * config/svr4.h: Likewise.
8842 * gcov-io.h: Likewise.
8844 * doc/tm.texi: Updated.
8846 * libgcov.c (create_file_directory): Defined only if
8847 TARGET_POSIX_IO is defined.
8848 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
8851 2005-07-13 Jan Hubicka <jh@suse.cz>
8853 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
8855 2005-07-13 David Edelsohn <edelsohn@gnu.org>
8857 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
8858 structure as argument.
8860 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
8862 PR tree-optimization/21921
8863 * tree-iterator.c (tsi_link_before): Support the case when
8864 tsi_end_p (tsi) == true.
8866 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8868 PR tree-optimization/22442
8869 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
8872 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8874 PR rtl-optimization/20376
8875 * toplev.c (process_options): Enable -fweb and -frename-registers when
8877 * doc/invoke.texi: Update the information about when -fweb and
8878 -frename-registers are enabled.
8880 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8883 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
8884 if *rhs_p is not a SSA_NAME.
8886 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
8888 Fix PR tree-optimization/22422
8889 * tree-ssa-structalias.c (struct variable_info): Add flag for
8891 (get_varinfo): Now a static function.
8892 (new_varinfo): init has_union and is_special_var to false.
8893 (solution_set_add): Check has_union.
8894 (do_da_constraint): Move temporary variable so it gets reset
8896 Also check for special variable.
8897 (do_ds_constraint): Ditto.
8898 (do_sd_constraint): Ditto.
8899 (do_structure_copy): Check for special variable.
8900 (find_func_aliases): Ditto.
8901 (init_base_vars): Set special vars properly.
8903 2005-07-13 Jan Hubicka <jh@suse.cz>
8905 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
8908 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
8909 (get_expr_operands): Fix thinko wrt flags and subvars.
8911 PR tree-optimize/22379
8912 * tree-inline.c (expand_call_inline): Do not output sorry in early
8915 2005-07-12 Dale Johannesen <dalej@apple.com>
8917 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
8919 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8922 * host-linux.h: Include limits.h.
8924 2005-07-12 Dale Johannesen <dalej@apple.com>
8926 * expr.c (compress_float_constant): Add cost check.
8927 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
8929 2005-07-12 Dale Johannesen <dalej@apple.com>
8931 * gcc.target/i386/compress-float-sse.c: New.
8932 * gcc.target/i386/compress-float-sse-pic.c: New.
8933 * gcc.target/i386/compress-float-387.c: New.
8934 * gcc.target/i386/compress-float-387-pic.c: New.
8935 * gcc.dg/compress-float-ppc.c: New.
8936 * gcc.dg/compress-float-ppc-pic.c: New.
8938 2005-07-12 Eric Christopher <echristo@redhat.com>
8940 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8942 * config/s390/s390.md: Include tpf.md. Move tpf specific
8944 * config/s390/tpf.md: To here.
8945 * config/s390/s390.opt: Move tpf specific options...
8946 * config/s390/tpf.opt: to here. Add mmain option.
8947 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8948 * config/s390/tpf.h: Rewrite.
8950 2005-07-12 Eric Christopher <echristo@redhat.com>
8952 * gcc.c (struct infile): Update comment for language.
8953 (main): Rewrite input file resetting code.
8955 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
8958 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
8959 requiring a cast in a non RHS of modify_expr. Add a cast when required.
8960 (lookup_avail_expr): Use constant_boolean_node instead
8961 of boolean_false_node/boolean_true_node.
8963 2005-07-12 Ben Elliston <bje@au.ibm.com>
8965 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
8966 and use it when printing num_edges.
8968 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
8970 * doc/extend.texi (Blackfin Built-in Functions): New section.
8971 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
8974 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
8976 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
8977 s/cmpstrsi/cmpstrnsi
8978 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
8980 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
8981 (init_optabs): Initialize cmpstrn_optab.
8982 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
8983 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
8984 * expr.c: (enum insn_code cmpstrn_optab): Declare.
8985 * config/i386/i386.md: s/cmpstr/cmpstrn
8986 * config/c4x/c4x.md: s/cmpstr/cmpstrn
8987 * doc/md.texi: Update documentation.
8989 2005-07-11 Richard Henderson <rth@redhat.com>
8991 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
8992 build_va_arg_indirect_ref.
8993 (alpha_gimplify_va_arg): Likewise.
8994 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
8995 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
8996 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
8997 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
8998 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
8999 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
9001 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
9003 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
9005 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
9006 * passes.c (init_optimization_passes): Add pass_empty_loop.
9007 * tree-pass.h (pass_empty_loop): Declare.
9008 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
9009 try_remove_empty_loop, remove_empty_loops): New functions.
9010 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
9011 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
9013 2005-07-12 Peter Barada <peter@the-baradas.com>
9017 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
9018 in address registers.
9019 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
9020 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
9021 alternative of addsi3_5200.
9023 2005-07-11 Ian Lance Taylor <ian@airs.com>
9025 * config/mips/mips.md (ffs<mode>2): Remove.
9027 2005-07-11 Ian Lance Taylor <ian@airs.com>
9029 * doc/tree-ssa.texi (Cleanups): Improve description of
9031 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
9033 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
9035 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
9036 * tree.h (DECL_ARGUMENT_FLD): New macro.
9038 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
9040 Fix PR tree-optimization/22404
9042 * tree-ssa-structalias.c (create_variable_info_for): Use
9045 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
9047 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
9048 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
9049 for second comparison operand.
9050 * config/bfin/predicates.md (reg_or_const_int_operand): New.
9052 * config/bfin/bfin.md (define_attr "type"): Add "sync".
9053 (define_insn_reservation "alu"): Likewise.
9054 (csync, ssync): Now of type sync.
9055 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
9056 -mcsync-anomaly -mspecld-anomaly.
9057 * config/bfin/bfin.opt (mcsync): Remove.
9058 (mcsync-anomaly, mspecld-anomaly): Add.
9059 * config/bfin/bfin.c: Include "insn-codes.h".
9060 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
9061 (TARGET_DEFAULT_TARGET_FLAGS): New.
9062 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
9064 2005-07-11 Steven Bosscher <stevenb@suse.de>
9066 * basic-block.h: Give the BB flags enum a name, bb_flags.
9067 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
9068 * cfgcleanup.c (enum bb_flags): Remove here.
9069 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
9070 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
9071 (update_forwarder_flag): Likewise.
9072 (thread_jump): Likewise.
9073 (try_forward_edges): Likewise.
9074 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
9075 forwarder flags. Don't clear bb->aux for all basic blocks. Only
9076 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
9078 2005-07-11 Richard Guenther <rguenther@suse.de>
9080 * config/i386/i386.opt: New target option -msseregparm.
9081 * config/i386/i386.c (override_options): Error out for
9082 -msseregparm but no SSE support.
9083 (ix86_function_sseregparm): Check for global sseregparm.
9084 * doc/invoke.texi: Document -msseregparm.
9086 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9088 * config.gcc (m32r-*-linux*): Use the default extra_parts.
9089 (m32rle-*-linux*): Ditto.
9091 2005-07-11 Jakub Jelinek <jakub@redhat.com>
9093 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
9094 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
9097 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9101 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
9102 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
9104 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
9106 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
9107 (varmap): Heapify varmap.
9108 (constraints): Heapify constraints.
9109 (struct constraint_graph): Heapify succs and preds.
9110 (constraint_vec_find): Update for heapification.
9111 (constraint_set_union): Ditto.
9112 (insert_into_complex): Ditto.
9113 (constraint_edge_vec_find): Ditto.
9114 (erase_graph_self_edge): Ditto.
9115 (add_graph_edge): Ditto.
9116 (get_graph_weights): Ditto.
9117 (merge_graph_nodes): Ditto.
9118 (build_constraint_graph): Ditto.
9119 (topo_visit): Ditto.
9120 (solve_graph): Ditto.
9121 (create_variable_info_for): Ditto.
9122 (init_base_vars): Ditto.
9123 (delete_points_to_sets): Free graph, varmap, and complex constraints.
9124 (condese_varmap_nodes): Free complex vector.
9125 (clear_edges_for_node): Clear succs and preds vector.
9127 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
9129 * tree-ssa-structalias.c (update_alias_info): Change counting of
9130 references to not include vdefs.
9132 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
9134 * tree-ssa-alias.c (free_used_part_map): Add missing free.
9137 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9139 * pa.c (pa_commutative_p): Make PLUS commutative when
9140 TARGET_NO_SPACE_REGS is true.
9142 2005-07-09 Diego Novillo <dnovillo@redhat.com>
9144 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
9145 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
9146 * tree-dfa.c (dump_subvars_for): New.
9147 (debug_subvars_for): New.
9148 (dump_variable): Show subvariables if VAR has them.
9149 * tree-flow-inline.h (get_subvar_at): New.
9150 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
9151 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
9153 (struct subvar): Change fields offset and size to unsigned
9155 (dump_subvars_for): Declare.
9156 (debug_subvars_for): Declare.
9157 (get_subvar_at): Declare.
9158 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
9159 to unsigned HOST_WIDE_INT *.
9160 (overlap_subvar): Likewise.
9161 * tree-gimple.c (is_gimple_reg): Always return false for
9162 SFTs and memory tags.
9163 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
9165 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
9166 (compute_may_aliases): Call compute_points_to_sets.
9167 (collect_points_to_info_for): Remove.
9168 (compute_points_to_and_addr_escape): Remove.
9169 (delete_alias_info): Call delete_points_to_sets.
9170 (compute_flow_sensitive_aliasing): If the call to
9171 find_what_p_points_to returns false, call set_pt_anything.
9172 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
9173 (set_pt_anything): Clear pi->pt_vars.
9174 (set_pt_malloc): Remove.
9175 (merge_pointed_to_info): Remove.
9176 (add_pointed_to_expr): Remove.
9177 (add_pointed_to_var): Remove.
9178 (collect_points_to_info_r): Remove.
9179 (is_escape_site): Make extern.
9181 (create_overlap_variables_for): Call it.
9182 * tree-ssa-copy.c (merge_alias_info): Never merge
9183 flow-sensitive alias information.
9184 * tree-ssa-operands.c (get_expr_operands): Adjust variables
9185 offset and size to be unsigned HOST_WIDE_INT.
9186 (add_to_addressable_set): Rename from note_addressable.
9187 Set TREE_ADDRESSABLE as the variables are added to the set.
9189 (add_stmt_operand): Do not try to micro-optimize unmodifiable
9190 operands into VUSEs when adding V_MAY_DEFs for members in an
9192 * tree-ssa-operands.h (add_to_addressable_set): Declare.
9193 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
9194 (struct variable_info): Add bitfield is_heap_var.
9195 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
9196 (new_var_info): Initialize is_heap_var.
9197 (get_constraint_for): Add HEAP variables to the symbol table.
9198 Mark them with is_heap_var.
9199 (update_alias_info): New. Taken mostly from the old
9200 compute_points_to_and_addr_escape.
9201 (handle_ptr_arith): New.
9202 (find_func_aliases): Call update_alias_info.
9203 Call handle_ptr_info for tcc_binary expressions.
9204 Call mark_stmt_modified.
9205 (create_variable_info_for): If DECL has subvars, do not create
9206 variables for its subvars. Always add all the fields.
9207 (set_uids_in_ptset): If the solution includes ANYOFFSET and
9208 SFTs, then add all the SFTs of the structure.
9209 If VI->DECL is an aggregate with subvariables, add the SFT at
9211 (find_what_p_points_to): If VI is an artificial variable,
9212 translate to bitfields in SSA_NAME_PTR_INFO.
9213 If the solution is empty, set pi->pt_vars to NULL
9214 (init_base_vars): Create ANYOFFSET.
9215 (compute_points_to_sets): Rename from create_alias_vars.
9217 (pass_build_pta): Remove.
9218 (delete_points_to_sets): Rename from delete_alias_vars.
9219 (pass_del_pta): Remove.
9220 * tree-ssa-structalias.h (struct alias_info): Move from
9222 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
9223 NUM_REFERENCES_SET): Likewise.
9224 (compute_points_to_sets, delete_points_to_sets): Declare.
9226 2005-07-09 Richard Henderson <rth@redhat.com>
9228 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
9229 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
9230 alpha_split_lock_test_and_set_12): New functions.
9231 * config/alpha/alpha-protos.h: Update.
9232 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
9233 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
9234 * config/alpha/sync.md (I12MODE): New.
9235 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
9236 (sync_<fetchop_name><I48MODE>): Likewise.
9237 (sync_nand<I48MODE>): Likewise.
9238 (sync_old_<fetchop_name><I48MODE>): Likewise.
9239 (sync_new_<fetchop_name><I48MODE>): Likewise.
9240 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
9241 (sync_compare_and_swap<I48MODE>): Likewise.
9242 (sync_lock_test_and_set<I48MODE>): Likewise.
9243 (sync_compare_and_swap<I12MODE>): New.
9244 (sync_compare_and_swap<I12MODE>_1): New.
9245 (sync_lock_test_and_set<I12MODE>): New.
9246 (sync_lock_test_and_set<I12MODE>_1): New.
9248 2005-07-09 Diego Novillo <dnovillo@redhat.com>
9252 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
9254 2005-07-09 Jakub Jelinek <jakub@redhat.com>
9256 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
9257 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
9259 2005-07-09 Richard SAndiford <richard@codesourcery.com>
9262 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
9264 2005-07-08 David Edelsohn <edelsohn@gnu.org>
9266 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
9267 memory_operand constraint.
9268 (store_conditional_<mode>): Same.
9269 (sync_compare_and_swap<mode>): Same.
9270 (sync_lock_test_and_set<mode>): Same.
9272 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
9274 Rewrite PIC support to more closely model actual instructions.
9275 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
9276 (cris_symbol): Remove prototypes for removed functions.
9277 (cris_pic_symbol_type_of, cris_valid_pic_const)
9278 (cris_expand_pic_call_address): Prototypes for new functions.
9279 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
9281 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
9283 <case ':'>: Add case for new punctuation character.
9284 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
9285 emitting (extra) PIC modifier.
9286 <case UNSPEC>: Do not assert for PLT.
9287 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
9288 (cris_expand_prologue, cris_expand_epilogue): Check
9289 for pic_offset_table_rtx usage instead of taking
9290 current_function_uses_pic_offset_table as the final word.
9291 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
9292 Remove flag_pic difference.
9293 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
9294 the moral equivalents of...
9295 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
9297 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
9298 (cris_handle_option): Mark ARG as unused.
9299 (cris_expand_pic_call_address): New worker function for "call",
9301 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
9302 output PIC constructs here.
9303 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
9304 as symbol-specific modifers, not whole or part of operands.
9305 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
9306 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
9307 constants and flag_pic.
9308 (CONSTANT_INDEX_P): Adjust for new functions.
9309 (enum cris_pic_symbol_type): New helper type.
9310 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
9311 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
9312 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
9314 ("movsi"): Emit actual instructions for GOT and relative access.
9315 ("*movsi_got_load"): New pattern to set up the register holding
9317 ("*movsi_internal"): Operand 1 is not a plain general_operand.
9318 Adjust FIXME for 'S'.
9319 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
9320 Use "movs" for -fpic cases.
9321 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
9322 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
9323 ("call", "call_value"): Just call cris_expand_pic_call_address for
9325 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
9326 Remove special pattern.
9327 ("*expanded_call_side", "*expanded_call_value_side"): New
9329 (gotplt-to-plt, gotplt-to-plt-side-call)
9330 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
9332 * config/cris/cris/predicates.md
9333 ("cris_general_operand_or_gotless_symbol"): Remove unused
9335 ("cris_general_operand_or_symbol"): Adjust for new functions.
9337 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9339 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
9341 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
9343 * Makefile.in (TREE_H): Add treestruct.def.
9344 (c-decl.o): Add pointer-set.h
9345 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
9346 visibility on regular DECL's.
9347 (merge_decls): Fix the copying of decl nodes of various types for
9348 the new structures. Don't update RTL, section name, weak status,
9349 etc, on DECL's without RTL.
9350 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
9351 Don't check volatile on non-variable types.
9352 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
9353 to check whether we have seen arguments.
9354 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
9355 flag is checked before field (flag is common, field is not).
9356 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
9357 TS_DECL_COMMON could have an origin.
9358 (add_location_or_const_value_attribute): Don't check section name
9359 on non-var/function decls.
9360 (dwarf2out_var_location): Reverse order of tests.
9361 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
9362 with DECL_WRTL_CHECK.
9363 * expmed.c (make_tree): rtl is now in decl_with_rtl.
9364 * fold-const.c (fold_binary): Don't check weakness on
9365 non-var/function decls.
9366 (tree_expr_nonzero_p): Ditto.
9367 (fold_checksum_tree): Use tree_decl_extra as sizeof
9369 * ggc-page.c (extra_order_size_table): Add sizes for
9370 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
9372 * gimplify.c (gimplify_bind_expr): Only set
9373 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
9374 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
9376 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
9377 * langhooks.h (init_ts). New langhook.
9378 * passes.c (rest_of_decl_compilation): Reverse order of tests.
9379 * print-tree.c (print_node): Update to only print fields that
9380 exist in the structures the passed decl has.
9381 * toplev.c (wrapup_global_declarations): Don't reset
9382 DECL_DEFER_OUTPUT on DECL's that don't contain it.
9383 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
9384 * tree-inline.c (remap_decl): Ditto.
9385 * tree-outof-ssa.c (create_temp): Reverse order of tests.
9386 * tree-pretty-print.c (print_declaration): Don't print
9387 DECL_REGISTER on things that don't contain it.
9388 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
9389 non-var/function decls.
9390 * tree.c (tree_contains_struct): New structure.
9391 (init_priority_for_decl): New hashtable.
9392 (tree_int_map): New structure.
9393 (tree_int_map_eq): New function.
9394 (tree_int_map_marked_p): Ditto.
9395 (tree_int_map_hash): Ditto.
9396 (tree_map): Move to tree.h.
9397 (tree_map_eq): Externalize.
9398 (tree_map_hash): Ditto.
9399 (tree_map_marked_p): Ditto.
9400 (init_ttree): Set up tree_contains_struct and call langhook.
9401 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
9402 (tree_code_size): Update for new structures.
9403 (tree_node_structure): Update for new structures.
9404 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
9406 (copy_node_stat): Copy init priority.
9407 (build_decl_stat): Ditto for visibility.
9408 (ts_enum_names): New.
9409 (tree_contains_struct_check_failed): New function.
9410 (decl_init_priority_lookup): Ditto.
9411 (decl_init_priority_insert): Ditto.
9412 * treestruct.def: New file.
9413 * tree.h (CODE_CONTAINS_STRUCT): New macro.
9414 (CONTAINS_STRUCT_CHECK): Ditto.
9415 (tree_contains_struct_check_failed): New prototype.
9416 (DECL_CHECK): Removed.
9417 (DECL_MINIMAL_CHECK): New.
9418 (DECL_COMMON_CHECK): Ditto.
9419 (DECL_WRTL_CHECK): Ditto.
9420 (DECL_NON_COMMON_CHECK): Ditto.
9421 (DECL_WITH_VIS_CHECK): Ditto.
9422 (VAR_OR_FUNCTION_DECL_P): Ditto
9423 (struct tree_decl_minimal): New structure.
9424 (struct tree_decl_common): Ditto.
9425 (struct tree_decl_with_rtl): Ditto.
9426 (struct tree_decl_with_vis): Ditto.
9427 (struct tree_decl_non_common): Ditto.
9428 (struct tree_field_decl): Ditto.
9429 (struct tree_parm_decl): Ditto.
9430 (struct tree_var_decl): Ditto.
9431 (struct tree_function_decl): Ditto.
9432 (struct tree_const_decl): Ditto.
9433 (struct tree_result_decl): Ditto.
9434 (union tree_node): Add new structures.
9435 * var-tracking.c (track_expr_p): Reverse order of tests.
9437 * doc/c-tree.texi: Add documentation on DECL node internal structure.
9439 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
9441 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
9442 * system.h: Poison FINALIZE_PIC.
9443 * doc/tm.texi (FINALIZE_PIC): Remove.
9445 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9448 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
9449 to the correct type if we have a MODIFY_EXPR.
9451 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
9453 PR tree-optimization/22360
9454 * tree.c (upper_bound_in_type): Fix calculations for casting
9455 to a non-wider signed type and casting a signed value to a
9456 wider unsigned type.
9457 (lower_bound_in_type): Fix calculations for casting to a
9458 non-wider signed type.
9460 PR tree-optimization/20139
9461 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
9463 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
9464 fold_cond_expr_cond.
9465 * tree-ssanames.c (release_defs): Assert in_ssa_p.
9466 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
9468 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9471 * tree-complex.c (expand_complex_libcall): Produce
9472 REALPART_EXPR/IMAGPART_EXPR with the correct type.
9474 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
9476 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
9477 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
9478 b" assert and inserted fastpath code for this case.
9479 (bitmap_ior): Removed "a != b" assert.
9481 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9483 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
9484 (ENDFILE_SPEC): Likewise.
9485 * config/m32r/m32r.h (ASM_SPEC): Likewise.
9487 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
9488 a large stack frame at epilogue.
9490 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
9492 * final.c: Include sdbout.h when required.
9494 2005-07-07 Geoffrey Keating <geoffk@apple.com>
9496 * config.gcc (*-*-darwin*): Only one target-specific header file
9498 (powerpc-*-darwin*): Add version-specific header files.
9499 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
9500 * config.in: Regenerate.
9501 * configure: Regenerate.
9502 * gcc.c: Include xregex.h.
9503 (version_compare_spec_function): New.
9504 (spec_function): Add version-compare.
9505 (replace_outfile_spec_function): Reformat comment.
9506 (compare_version_strings): New.
9507 * config/darwin-c.c (version_as_macro): New.
9508 (builtin_define): New.
9509 (darwin_cpp_builtins): New.
9510 * config/darwin-protos.h (darwin_cpp_builtins): New.
9511 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
9512 (LIB_SPEC): Make unconditional, update comment.
9513 (TARGET_C99_FUNCTIONS): Define.
9514 * config/darwin.opt: Sort.
9515 (mmacosx-version-min=): New.
9516 * config/darwin7.h: Delete.
9517 * config/darwin8.h: Delete.
9518 * config/i386/darwin.h (): Call darwin_cpp_builtins.
9519 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
9520 (TARGET_C99_FUNCTIONS): Define.
9521 * config/rs6000/darwin7.h: New.
9522 * config/rs6000/darwin8.h: New.
9523 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
9524 (-mmacosx-version-min): Document.
9526 2005-07-07 Ian Lance Taylor <ian@airs.com>
9528 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
9530 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
9533 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
9535 2005-07-07 Khem Raj <kraj@mvista.com>
9537 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
9538 in bytes, not words.
9540 2005-07-07 Paul Brook <paul@codesourcery.com>
9542 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
9543 DEFAULT_FUNCTION_ARG_PADDING to upward.
9545 2005-07-07 Richard Henderson <rth@redhat.com>
9547 * function.c (locate_and_pad_parm): Record parameter alignment in
9548 stack_alignment_needed.
9550 2005-07-07 David Edelsohn <edelsohn@gnu.org>
9552 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
9553 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
9554 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
9555 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
9556 (define_attr "type"): Add isync, sync, load_l, store_c.
9557 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
9558 Create scratch volatile MEM.
9559 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
9561 (load_locked_<mode>): New.
9562 (store_conditional_<mode>): New.
9563 (sync_compare_and_swap<mode>): Replace with splitter.
9564 (sync_lock_test_and_set<mode>): Replace with splitter.
9565 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
9567 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
9568 is ics. Attribute isync.
9569 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
9571 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
9572 and UNSPECV_SYNC_OP.
9573 (emit_unlikely_jump): New.
9574 (emit_load_locked): New.
9575 (emit_store_conditional): New.
9576 (rs6000_split_compare_and_swap): New.
9577 (rs6000_split_lock_test_and_set): New.
9578 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
9579 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
9580 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
9581 rs6000_split_lock_test_and_set): Declare.
9582 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
9583 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
9584 store_c, isync, sync.
9586 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
9588 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
9589 filenames to gtyp-gen.h.
9590 (s-typ-gen): Use it in place of for loops.
9592 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
9594 * hooks.c (hook_bool_rtx_int_false): New function.
9595 * hooks.h (hook_bool_rtx_int_false): Declare.
9596 * target-def.h (TARGET_COMMUTATIVE_P): Define.
9597 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
9598 * target.h (struct gcc_target): Add commutative_p member.
9599 * targhooks.c (hook_bool_rtx_commutative_p): New function.
9600 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
9601 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
9602 (pa_commutative_p): New function.
9603 * jump.c (target.h): Include.
9604 (rtx_renumbered_equal_p): Use targetm.commutative_p.
9605 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
9607 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9609 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
9610 (s390_expand_setmem): New.
9611 * config/s390/s390.c: Likewise.
9612 (print_shift_count_operand): Truncate to 12 bits instead of 6.
9614 * config/s390/s390.md: ("setmem<mode>"): Accept character as
9615 general_operand. Call new function "s390_expand_setmem".
9616 ("clrmem_long", "*clrmem_long"): Rewrite to ...
9617 ("setmem_long", "*setmem_long"): ... this.
9619 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9621 * config/s390/s390.c: (optimization_options): Enable
9622 TARGET_MVCLE at -Os.
9623 * doc/invoke.texi: Document changes in default behaviour.
9624 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
9626 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9628 * expr.c: (set_storage_via_setmem): Convert opchar to mode
9629 defined by back-end.
9631 2005-07-07 Jakub Jelinek <jakub@redhat.com>
9633 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
9634 all sets in the pattern.
9635 * config/rs6000/rs6000.md (stack_protect_testsi,
9636 stack_protect_testdi): Likewise.
9638 2005-07-06 Jeff Law <law@redhat.com>
9640 * tree-vrp.c (simplify_using_ranges): Kill.
9641 (vrp_finalize): Remove call to simplify_using_ranges.
9642 (simplify_stmt_using_ranges): New function extracted from
9643 simplify_using_ranges.
9644 (simplify_div_or_mod_using_ranges): Likewise.
9645 (simplify_abs_using_ranges): Likewise.
9646 (simplify_cond_using_ranges): New function.
9647 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
9648 * tree-ssa-propagate.c (substitute_and_fold): Call
9649 simplify_stmt_using_ranges if we have range information.
9651 2005-07-06 James E. Wilson <wilson@specifixinc.com>
9653 * config/ia64/ia64.c (ia64_reorg): Check optimize before
9654 ia64_flag_schedule_isns2.
9656 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
9657 reading/writing general registers.
9658 (ia64_function_arg): Revert 2005-06-18 change.
9660 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
9662 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
9663 (legitimize_tls_address): Use gcc_unreachable instead of abort.
9665 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
9667 * function.c (expand_function_end): Revert part of 2005-06-27
9668 patch. Do sjlj_emit_function_exit_after after return_label.
9670 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9672 * doc/install.texi (--disable-libssp): New.
9674 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
9676 * doc/invoke.texi: Update -fforce-mem documentation.
9677 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
9678 code for -fforce-mem.
9679 * expmed.c: (store_bit_field,store_fixed_bit_field,
9680 extract_bit_field): Ditto.
9681 * expr.c: (convert_move): Ditto.
9682 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
9683 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
9684 emit_conditional_add,expand_float,expand_fix): Ditto.
9685 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
9686 (common_handle_option): Issue warning when -fforce-mem specified.
9688 2005-07-06 Paul Brook <paul@codesourcery.com>
9690 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
9692 * configure: Regenerate.
9694 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
9696 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
9698 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
9700 Fix PR tree-optimization/22319
9701 Fix PR tree-optimization/22140
9702 Fix PR tree-optimization/22310
9704 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
9705 variable sized types.
9706 Use correct type for intermediate structure on *a = *b structure
9709 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9711 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
9713 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
9714 (machine_function): Move typedef to...
9715 * config/rs6000/rs6000.c (machine_function): ... here. Add
9716 varargs_save_offset field.
9717 (rs6000_stack_t): Remove varargs_size field.
9718 (setup_incoming_varargs): Allocate varargs save area using
9719 assign_stack_local, try to make it as small as possible.
9720 Save offset from virtual_stack_vars_rtx to the save area
9721 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
9722 instead of magic 8 when fp word byte size is used.
9723 (rs6000_va_start): Use cfun->machine->varargs_save_offset
9724 instead of -RS6000_VARARGS_SIZE.
9725 (rs6000_stack_info, debug_stack_info,
9726 rs6000_initial_elimination_offset): Remove all traces of
9728 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
9729 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
9730 RS6000_VARARGS_AREA.
9732 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9734 PR tree-optimization/21963
9735 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
9736 constant_multiple_of in the same way get_computation_cost_at does.
9738 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9740 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
9741 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
9742 (gen_compare_reg): If sparc_compare_emitted is set, clear it
9743 and return its previous value.
9744 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
9745 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
9747 (stack_protect_set, stack_protect_test): New expanders.
9748 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
9749 stack_protect_testdi): New insns.
9750 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9751 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
9753 2005-07-06 Jeff Law <law@redhat.com>
9755 * tree-ssa-dce.c (cfg_altered): New global.
9756 (tree_dce_init): Initialize cfg_altered.
9757 (remove_dead_stmt): If we remove an edge in the CFG, then set
9759 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
9762 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9764 * Makefile.in (stamp-collect-ld): Use
9765 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
9766 ./collect-ld if it already exists.
9767 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
9768 Don't remove ./nm if it already exists.
9770 2005-07-05 Devang Patel <dpatel@apple.com>
9772 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
9773 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
9774 * tree-vectorizer.c (vect_loop_location): New.
9775 (vect_print_dump_info): Use vect_loop_location.
9776 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
9777 (vectorize_loops): Set vect_loop_location.
9778 * tree-vect-analyze.c (vect_analyze_offset_expr,
9779 vect_determin_vectorization_factor, vect_analyze_operations,
9780 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
9781 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
9782 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
9783 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
9784 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
9785 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
9786 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
9787 vect_analyze_loop): Adjust vect_print_dump_info API.
9788 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9789 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
9790 vect_finish_stmt_generation, vectorizable_assignment,
9791 vectorizable_operation, vectorizable_store, vectorizable_load,
9792 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
9793 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
9794 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
9795 vect_transform_loop): Same.
9796 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
9797 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
9800 2005-07-05 Randolph Chung <tausq@debian.org>
9802 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
9803 * configure: Regenerate.
9804 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
9805 (pa_tls_referenced_p): Declare.
9806 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
9807 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
9808 (legitimize_tls_address): New.
9809 (hppa_legitimize_address): Handle TLS addresses.
9810 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
9811 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9812 (emit_move_sequence): Handle TLS addresses.
9813 (pa_encode_section_info): Call default handler to handle common
9815 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
9816 (CONSTANT_ADDRESS_P): Reject TLS operands.
9817 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
9818 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
9819 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
9820 (UNSPEC_TLSLE): Define new constants.
9821 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
9822 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
9823 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
9824 (tie_symbolic_operand, tle_symbolic_operand): New
9826 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
9828 * aclocal.m4: Update macros for autoconf 2.59 style.
9829 * configure.ac: Likewise.
9831 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9833 * pa.c (function_value): Handle small aggregates on 32-bit targets.
9834 (function_arg): Pass small aggregates in general registers on 32-bit
9836 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
9838 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
9840 * Makefile.in (final.o): Fix dependencies.
9842 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9846 * langhooks.h (struct lang_hooks): Add expr_to_decl.
9847 * langhooks.c (lhd_expr_to_decl): New.
9848 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
9850 (LANG_HOOKS_INITIALIZER): Update.
9851 * tree.c (recompute_tree_invarant_for_addr_expr): Call
9852 expr_to_decl langhook.
9853 * c-tree.h (c_expr_to_decl): Declare.
9854 * c-typeck.c (c_expr_to_decl): New.
9855 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
9857 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
9859 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9862 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
9863 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
9865 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
9867 * Makefile.in: Adjust dependencies.
9868 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
9869 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
9870 * alias.c (rest_of_handle_cfg, pass_cfg): New.
9871 * bb-reorder.c (duplicate_computed_gotos): Make it static.
9872 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
9873 rest_of_compilation.
9875 * bb-reorder.c (gate_duplicate_computed_gotos,
9876 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
9877 rest_of_handle_reorder_blocks, pass_reorder_blocks,
9878 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
9879 pass_partition_blocks): New.
9880 * bt-load.c (gate_handle_branch_target_load_optimize,
9881 rest_of_handle_branch_target_load_optimize,
9882 pass_branch_target_load_optimize): New.
9883 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
9885 * cfglayout.c (pass_insn_locators_initialize): New.
9886 * cfgrtl.c (pass_free_cfg): New.
9887 * combine.c (gate_handle_combine, rest_of_handle_combine,
9889 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
9890 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
9891 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
9892 * except.c (pass_set_nothrow_function_flags,
9893 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
9895 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
9896 rest_of_handle_shorten_branches, pass_shorten_branches,
9897 rest_of_clean_state, pass_clean_state): New.
9898 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
9899 rest_of_handle_remove_death_notes, pass_remove_death_notes,
9900 rest_of_handle_life, pass_life, rest_of_handle_flow2,
9902 * function.c (pass_instantiate_virtual_regs, pass_init_function,
9903 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
9904 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
9905 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
9907 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
9908 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
9909 pass_rtl_ifcvt, gate_handle_if_after_combine,
9910 rest_of_handle_if_after_combine, pass_if_after_combine,
9911 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
9912 pass_if_after_reload): New.
9913 * integrate.c (pass_initial_value_sets): New.
9914 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
9915 pass_purge_lineno_notes): New.
9916 * mode-switching.c (rest_of_handle_mode_switching,
9917 pass_mode_switching): New.
9918 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
9919 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
9921 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
9922 pass_loop_optimize): New.
9923 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
9925 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
9927 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
9928 pass_postreload_cse): New.
9929 * profile.c (gate_handle_profiling, pass_profiling,
9930 rest_of_handle_branch_prob, pass_branch_prob): New.
9931 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
9932 pass_split_before_regstack, gate_handle_split_before_regstack,
9933 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
9934 rest_of_handle_split_all_insns, pass_split_all_insns): New.
9935 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
9936 pass_stack_regs): New.
9937 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
9938 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
9939 pass_stack_adjustments): New.
9940 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
9941 pass_regrename): New.
9942 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
9943 pass_delay_slots, gate_handle_machine_reorg,
9944 rest_of_handle_machine_reorg, pass_machine_reorg): New.
9945 * rtl.h (extern void purge_line_number_notes): New.
9946 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
9947 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
9949 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
9951 * value-prof.c (gate_handle_value_profile_transformations,
9952 rest_of_handle_value_profile_transformations,
9953 pass_value_profile_transformations): New.
9954 * var-tracking.c (gate_handle_var_tracking,
9955 pass_variable_tracking): New.
9956 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
9958 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
9959 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
9960 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
9961 rest_of_handle_old_regalloc, rest_of_handle_regrename,
9962 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
9963 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
9964 rest_of_handle_gcse2, rest_of_handle_regmove,
9965 rest_of_handle_tracer, rest_of_handle_if_conversion,
9966 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
9967 rest_of_handle_web, rest_of_handle_branch_prob,
9968 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
9969 rest_of_handle_jump_bypass, rest_of_handle_combine,
9970 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
9971 rest_of_handle_gcse, rest_of_handle_loop_optimize,
9972 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
9973 rest_of_handle_mode_switching, rest_of_handle_jump,
9974 rest_of_handle_eh, rest_of_handle_stack_adjustments,
9975 rest_of_handle_flow2, rest_of_handle_jump2,
9976 rest_of_handle_peephole2, rest_of_handle_postreload,
9977 rest_of_handle_shorten_branches, rest_of_clean_state,
9978 rest_of_compilation): Remove.
9980 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
9981 * passes.c (dump_flags, in_gimple_form, all_passes,
9982 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9983 register_dump_files, next_pass_1, last_verified, execute_todo,
9984 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
9985 from tree-optimize.c.
9986 (init_optimization_passes): Moved from tree-optimize.c,
9987 adding the RTL optimizations.
9988 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
9989 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
9990 all_ipa_passes, all_lowering_passes, register_one_dump_file,
9991 register_dump_files, next_pass_1, last_verified, execute_todo,
9992 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
9993 init_tree_optimization_passes, ipa_passes): Delete.
9994 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
9996 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
9997 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
9999 (ipa_passes): Remove.
10000 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
10001 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
10002 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
10003 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
10004 (dump_info_p, dump_flag): Moved to tree-dump.h.
10006 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
10008 * passes.c (finish_optimization_passes): Use dump_begin
10009 and dump_end, TDI_end.
10010 (gate_rest_of_compilation): New.
10011 (pass_rest_of_compilation): Use it.
10012 (gate_postreload, pass_postreload): New.
10013 * toplev.c (general_init): Rename init_tree_optimization_passes.
10014 * toplev.h (init_tree_optimization_passes): Rename to
10015 init_optimizations_passes.
10016 * tree-dump.c (dump_flag): Make static.
10017 (dump_files): Remove RTL dumps.
10018 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
10019 pass_cleanup_cfg, pass_free_cfg_annotations,
10020 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
10021 pass_init_datastructures, pass_fixup_cfg): Make non-static.
10022 * tree-pretty-print.c: Include tree-pass.h.
10023 * cgraph.c: Include tree-dump.h.
10025 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
10027 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
10028 Only fall back to saying it points to readonly memory if
10029 we can't do better.
10031 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10033 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
10034 * config/m32r/m32r.c (m32r_compute_frame_size,
10035 m32r_expand_prologue): Take current_function_profile into
10036 account whenever we reference
10037 current_function_uses_pic_offset_table.
10038 (m32r_finalize_pic): Remove.
10039 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
10041 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
10043 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
10044 instead of $<. Don't remove ./as if it already exists.
10046 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10049 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
10050 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
10051 for complex modes when generating code for PA 1.0.
10052 (VALID_FP_MODE_P): New macro.
10053 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
10054 sets for all general and floating point modes. Align wide floating
10055 point modes to even register boundaries to comply with architectural
10057 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
10058 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
10059 (VALID_FP_MODE_P): New macro.
10060 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
10061 sets for all general and floating point modes. Align wide floating
10062 point modes to even register boundaries to comply with architectural
10065 2005-07-04 Diego Novillo <dnovillo@redhat.com>
10067 * tree-dump.c (dump_files): Initialize dump number for .cgraph
10070 2005-07-04 Diego Novillo <dnovillo@redhat.com>
10072 * tree-ssa-structalias.c: Don't include expr.h.
10074 2005-07-04 Diego Novillo <dnovillo@redhat.com>
10076 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
10079 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
10081 Fix PR tree-optimization/22279
10083 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
10086 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
10088 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
10090 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
10092 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
10093 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
10094 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
10095 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
10096 config/stormy16/stormy16.c, config/v850/v850.c,
10097 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
10098 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
10099 Avoid "." or "\n" at end of diagnostics and capital letters at
10100 start of diagnostics.
10101 * combine.c, cse.c: Don't translate dump file output.
10102 * toplev.c (print_version): Only translate output if going to
10105 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
10107 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
10108 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
10111 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10113 * pa.c (fix_range): Fix typo in comment.
10115 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
10117 * tree-vrp.c (extract_range_from_assert): Replace
10118 fold (build (...)) with fold_build2.
10120 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10122 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
10123 gcc_gfc_char_table, init_dynamic_gfc_info): New.
10124 (format_types_orig, handle_format_attribute): Add support for
10127 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
10129 * varasm.c (assemble_variable): Fix format specifier thinko.
10131 2005-07-03 Ira Rosen <irar@il.ibm.com>
10133 PR tree-optimization/22029 (and 22135)
10134 * tree-pretty-print.c (dump_generic_node): Check that the node is not
10135 a phi node before calling dump_vops.
10137 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
10139 * tree-dump.h (dump_string_field): Declare.
10140 * tree-dump.c: Use it instead of dump_string.
10141 (dump_string_field): Make non-static.
10143 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
10145 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
10146 up the minimal CFG stuff always when optimize > 0. Call
10147 split_all_insns_noflow in PIC case if needed.
10149 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
10150 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
10153 * c-decl.c (c_write_global_declarations): Dump contents of
10155 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
10156 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
10157 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
10158 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
10161 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
10163 * c-common.h (GCC_DIAG_STYLE): Define.
10164 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
10165 version for format checking to 4.1.
10166 * c-format.c: Include toplev.h after c-common.h.
10167 (enum format_type): Add gcc_tdiag_format_type.
10168 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
10169 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
10170 (format_types_orig): Add gcc_tdiag.
10171 (init_dynamic_diag_info): Support gcc_tdiag formats.
10172 (handle_format_attribute): Likewise.
10173 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
10174 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
10175 version for format checking to 4.1.
10176 (warning0, warning, error, pedwarn, sorry): Use
10177 ATTRIBUTE_GCC_DIAG.
10178 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
10179 (finish_aliases_1): Do not use %qE.
10180 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
10181 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
10182 Correct format bugs.
10183 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
10184 parameter to unsigned HOST_WIDE_INT.
10185 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
10187 2005-07-02 David Edelsohn <edelsohn@gnu.org>
10189 PR middle-end/21742
10190 * expr.c (write_complex_part): Use adjust_address for MEM.
10191 (read_complex_part): Same.
10193 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
10195 Fix PR tree-optimization/22280
10197 * tree-sra.c (generate_element_init): Remove useless loop.
10199 2005-07-02 Richard Henderson <rth@redhat.com>
10201 * config/alpha/alpha.c (alpha_legitimize_address): Check for
10203 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
10205 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
10207 PR middle-end/14490
10208 * fold-const.c (fold_binary): Handle the return value of
10209 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
10210 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
10212 2005-07-02 Jeff Law <law@redhat.com>
10214 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
10215 a eliminate type conversion which feeds an equality comparison
10216 if the original type or either operand in the comparison is a
10219 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
10221 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
10222 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
10224 * config/avr/avr.c: Do not use '`' as left quote.
10225 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
10226 Remove "." from end of diagnostics. Make diagnostics start with
10229 2005-07-02 Zack Weinberg <zack@codesourcery.com>
10230 Joseph S. Myers <joseph@codesourcery.com>
10232 * toplev.c (default_tree_printer): Handle setting location with
10234 * c-objc.common.c (c_tree_printer): Likewise.
10235 * c-format.c (gcc_diag_flag_specs): Add '+'.
10236 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
10237 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
10239 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
10240 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
10241 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
10242 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
10243 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
10244 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
10245 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
10246 format arguments where %J is used without %D.
10248 2005-07-02 Jakub Jelinek <jakub@redhat.com>
10250 * gcc.c (LINK_SSP_SPEC): Define.
10251 (link_ssp_spec): New variable.
10252 (LINK_COMMAND_SPEC): Add %(link_ssp).
10253 (static_specs): Add link_ssp_spec.
10254 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
10255 * configure: Rebuilt.
10256 * config.in: Rebuilt.
10258 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10259 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10260 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10261 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10262 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
10263 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
10264 -0x7008(2) instead of reading __stack_chk_guard variable.
10265 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
10267 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
10268 (stack_protect_set, stack_protect_test): Use *_tls* patterns
10269 if TARGET_THREAD_SSP_OFFSET is defined.
10270 (stack_tls_protect_set_si, stack_tls_protect_set_di,
10271 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
10274 2005-06-27 Richard Henderson <rth@redhat.com>
10275 * libgcc-std.ver (GCC_4.1.0): New.
10276 * libgcc.h (__stack_chk_guard): Declare.
10277 (__stack_chk_fail, __stack_chk_fail_local): Declare.
10278 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
10279 * mklibgcc.in (lib2funcs): Add them.
10281 2005-07-01 Richard Henderson <rth@redhat.com>
10283 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
10284 void * before struct sigcontext *.
10285 (x86_fallback_frame_state): Likewise.
10287 2005-07-01 James E. Wilson <wilson@specifixinc.com>
10289 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
10291 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
10294 * tree-ssa-reassoc.c (should_transpose): Fix which operand
10295 we check for SSA_NAME for.
10297 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
10299 Fix PR tree-optimization/22071
10301 * tree-ssa-structalias.c (offset_overlaps_with_access): New
10303 (get_constraint_for_component_ref): Use it.
10305 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
10308 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
10309 print out the last new line.
10311 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
10313 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
10314 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
10315 * config/cris/cris.c (cris_conditional_register_usage): Adjust
10316 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
10317 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
10318 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
10319 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
10320 (enum reg_class): New member CC0_REGS.
10321 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
10322 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
10323 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
10324 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
10325 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
10326 Adjust for register now described.
10328 2005-07-01 Jakub Jelinek <jakub@redhat.com>
10331 * config/i386/i386.md (stack_protect_test_si,
10332 stack_protect_test_di): Add earlyclobber for scratch 3.
10333 * config/rs6000/rs6000.md (stack_protect_testsi,
10334 stack_protect_testdi): Add earlyclobber for scratch 3,
10335 remove earlyclobber from scratch 4.
10337 Older entries for 2005 can be found in ChangeLog-2005.