1 2005-12-05 Jan Beulich <jbeulich@novell.com>
3 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
4 and IX86_BUILTIN_CMPNESS.
5 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
6 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
7 * config/i386/i386.md (movti_internal): Correct type attribute.
8 Simplify mode attribute.
9 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
10 Correct type attribute.
11 (absxf2): Correct operator.
12 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
13 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
14 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
16 (sse2_vmsqrtv2df2): Correct mode attribute.
18 2005-12-05 Jan Beulich <jbeulich@novell.com>
20 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
21 16 bits. Provide insn pattern for this case.
23 2005-12-05 Jan Beulich <jbeulich@novell.com>
25 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
27 (__popcountDI2): Likewise.
29 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
32 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
33 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
34 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
37 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
39 * c-typeck.c (null_pointer_constant_p): New function.
40 (build_conditional_expr, build_c_cast, convert_for_assignment,
41 build_binary_op): Use it.
43 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
45 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
46 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
48 (check_function_arguments_recurse): Allow both NOP_EXPR and
49 CONVERT_EXPR but check conversions preserve precision.
50 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
51 but check conversions preserve precision.
52 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
55 2005-12-04 Roger Sayle <roger@eyesopen.com>
58 * common.opt (Wstring-literal-comparison): New command line option.
59 * c-opts.c (c_common_handle_option): Set it with -Wall.
60 * c-typeck.c (parser_build_binary_op): Issue warning if either
61 operand of a comparison operator is a string literal, except for
62 testing equality or inequality against NULL.
64 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
66 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
68 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
69 of building a NOP_EXPR.
70 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
72 * c-convert.c (convert): Use fold_convert instead of building
73 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
74 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
76 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
77 NOP_EXPR the same as CONVERT_EXPR.
78 * c-typeck.c (build_function_call): Use fold_convert instead of
79 building a NOP_EXPR directly.
80 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
82 2005-12-03 Alan Modra <amodra@bigpond.net.au>
84 PR rtl-optimization/25197
85 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
88 2005-12-02 Stuart Hastings <stuart@apple.com>
90 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
93 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
95 * c-typeck.c (default_function_array_conversion,
96 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
97 (build_conditional_expr): Apply integer_zerop to orig_op1 and
98 orig_op2. Don't check them for NOP_EXPR.
99 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
102 2005-12-03 Alan Modra <amodra@bigpond.net.au>
104 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
105 toc_save_offset, toc_size, lr_size.
106 (rs6000_stack_info): Use memset rather than bss struct copy to init.
107 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
108 Adjust for removal of unused rs6000_stack_t fields.
109 (debug_stack_info): Adjust.
110 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
111 first, and don't bother checking for set/inc of lr on sibcalls.
112 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
114 2005-12-02 Jakub Jelinek <jakub@redhat.com>
117 * config/i386/i386.md (movqi_1): Only force imovx for alternative
118 5 if operand 1 is not aligned. Undo previous constraint change.
119 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
121 2005-12-02 Richard Guenther <rguenther@suse.de>
123 * tree.h (build): Remove prototype.
124 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
125 * tree.c (build): Remove.
126 (build0_stat): Update comment.
128 2005-12-02 Richard Guenther <rguenther@suse.de>
130 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
131 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
133 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
134 maybe_fold_offset_to_component_ref): Likewise.
135 * tree-ssa-dom.c (thread_across_edge,
136 simplify_rhs_and_lookup_avail_expr,
137 find_equivalent_equality_comparison, record_equivalences_from_stmt):
139 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
140 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
141 lower_try_finally_switch): Likewise.
142 * tree-if-conv.c (add_to_dst_predicate_list,
143 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
144 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
145 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
146 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
147 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
148 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
149 gimplify_init_ctor_eval, gimplify_init_constructor,
150 gimplify_variable_sized_compare, gimplify_boolean_expr,
151 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
152 gimplify_expr, gimplify_body, gimplify_function_tree,
153 force_gimple_operand): Likewise.
154 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
155 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
156 mx_register_decls): Likewise.
157 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
158 get_frame_field, finalize_nesting_tree_1): Likewise.
159 * tree-inline.c (setup_one_parameter): Likewise.
160 * tree-vect-transform.c (vectorizable_condition): Likewise.
161 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
163 * tree-profile.c (tree_gen_edge_profiler): Likewise.
164 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
165 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
166 * tree-chrec.h (build_polynomial_chrec): Likewise.
168 2005-12-02 Richard Guenther <rguenther@suse.de>
170 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
171 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
172 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
173 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
174 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
175 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
176 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
178 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
179 sh_adjust_unroll_max): Likewise.
180 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
181 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
182 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
184 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
186 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
189 2005-12-02 Richard Guenther <rguenther@suse.de>
191 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
192 simplify_cond_using_ranges): Use buildN instead of build.
193 * tree-tailcall.c (adjust_accumulator_values,
194 adjust_return_value): Likewise.
195 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
196 generate_element_copy, generate_element_zero,
197 generate_one_element_init): Likewise.
198 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
199 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
200 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
201 perfect_nestify): Likewise.
203 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
205 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
207 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
209 * ggc.h (GGC_RESIZEVEC): New.
211 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
213 * gcc.c (execute): Improve readability.
215 2005-12-02 Richard Guenther <rguenther@suse.de>
217 * tree-cfg.c (mark_used_vars): New function.
218 (dump_function_to_file): Dump only used VAR_DECLs.
220 2005-12-02 Richard Guenther <rguenther@suse.de>
222 * convert.c (convert_to_integer): Fix compare for nonpositive
223 constant to use tree_int_cst_sgn <= 0.
225 2005-12-02 Richard Guenther <rguenther@suse.de>
227 * convert.c (convert_to_integer): Use fold_convert instead
228 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
229 instead of comparing against 0. Use build_int_cst instead
230 of converting integer_zero_node.
232 2005-12-02 Richard Guenther <rguenther@suse.de>
234 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
237 2005-12-02 Alan Modra <amodra@bigpond.net.au>
240 * combine.c (simplify_logical <IOR>): Simplify more patterns to
243 2005-12-02 Alan Modra <amodra@bigpond.net.au>
246 * function.c (expand_function_end): Emit blockage for unwinder
249 2005-12-01 Roger Sayle <roger@eyesopen.com>
251 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
252 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
253 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
254 integer constant comparisons.
256 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
257 Janis Johnson <janis187@us.ibm.com>
258 David Edelsohn <dje@watson.ibm.com>
259 Ben Elliston <bje@au.ibm.com>
261 * dfp.h, dfp.c: New files.
262 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
263 (DECNUM_H): Likewise.
264 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
265 (INCLUDES): Append $(DECNUMINC).
266 (OBJS-common): Add dfp.o.
268 * real.h (EXP_BITS): Pinch one bit to ..
269 (struct real_value): Add decimal field.
270 (real_format): Change table size, update documentation.
271 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
272 (real_from_string3): Declare.
273 (decimal_single_format): Declare.
274 (decimal_double_format): Declare.
275 (decimal_quad_format): Declare.
276 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
277 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
278 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
279 * real.c: Include dfp.h.
280 (normalize): Early return for decimal floats.
281 (do_add): Zero decimal field.
282 (do_compare): Call do_decimal_compare for decimal floats.
283 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
284 (real_arithmetic): Call decimal_real_arithmetic for decimal
285 floating point operands.
286 (real_identical): If a and b are of differing radix, return false.
287 (real_to_integer): Call decimal_real_to_integer if the value is a
289 (real_to_integer2): Likewise, call decimal_real_to_integer2.
290 (real_to_decimal): Likewise, call decimal_real_to_decimal.
291 (real_to_hexadecimal): Place "N/A" in the return string for
293 (real_from_string3): New variant, given a mode.
294 (real_maxval): Use decimal_real_maxval for decimal floats.
295 (round_for_format): Use decimal_round_for_format for decimals.
296 (real_convert): Use decimal_real_convert where appropriate.
297 (significand_size): Handle base 10.
298 (encode_decimal_single, decode_decimal_single,
299 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
300 decode_decimal_quad): New functions.
301 (decimal_single_format): New.
302 (decimal_double_format): New.
303 (decimal_quad_format): New.
304 * machmode.def: Add SD, DD and TD decimal floating point modes.
305 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
306 Include MODE_DECIMAL_FLOAT.
307 (DECIMAL_FLOAT_MODE_P): New.
308 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
309 * genmodes.c (struct mode_data): Add counter field.
310 (struct mode_data): Update comment for format.
311 (blank_mode): Initialise counter field.
312 (new_mode): Increment counter field for each mode defined.
313 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
315 (make_complex_modes): Handle modes containing `D'.
316 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
317 (make_decimal_float_mode): New.
318 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
319 (cmp_modes): Compare counter field if other characteristics
321 (emit_real_format_for_mode): Support formats for decimal floats.
322 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
323 Document MODE_DECIMAL_FLOAT.
325 2005-12-02 Alan Modra <amodra@bigpond.net.au>
327 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
330 2005-12-01 Richard Henderson <rth@redhat.com>
332 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
334 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
336 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
338 * config/pa/pa.c (pa_init_builtins): If we detect
339 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
342 2005-12-01 Richard Guenther <rguenther@suse.de>
344 * fold-const.c (fold_binary): Use fold_build2, not
347 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
349 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
351 * vec.h (VEC_block_remove): New.
353 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
356 * c-common.c (lvalue_error): Fix wording.
358 2005-12-01 Richard Guenther <rguenther@suse.de>
360 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
361 thinko in last patch.
363 2005-12-01 Geoffrey Keating <geoffk@apple.com>
365 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
366 than -flat_namespace.
368 2005-12-01 Ben Elliston <bje@au.ibm.com>
370 * mklibgcc.in: Parameterise the script to build soft float
371 functions by iterating over each type, rather than cloning the
374 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
377 * builtins.c (fold_builtin_fputs): Defer check for missing
378 replacement functions.
380 2005-11-30 Kean Johnston <jkj@sco.com>
382 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
383 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
385 2005-11-30 Richard Guenther <rguenther@suse.de>
387 PR tree-optimization/22501
388 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
389 function split out from ...
390 (forward_propagate_addr_expr): ... here. Use it to propagate
391 ADDR_EXPRs to all uses.
393 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
395 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
396 * builtins.c (expand_builtin_mathfn): Use them.
397 (expand_builtin_mathfn_2): Likewise.
398 (expand_builtin_mathfn_3): Likewise.
399 (expand_builtin_int_roundingfn): Likewise.
400 (expand_builtin): Likewise.
401 (integer_valued_real_p): Likewise.
402 (fold_builtin_int_roundingfn): Likewise.
403 (fold_builtin_bitop): Likewise.
404 (fold_builtin_logarithm): Likewise.
405 (fold_builtin_1): Likewise.
406 * convert.c (convert_to_integer): Likewise.
407 * fold-const.c (negate_mathfn_p): Likewise.
408 (tree_expr_nonnegative_p): Likewise.
410 2005-11-30 Dale Johannesen <dalej@apple.com>
411 Andrew Pinski <pinskia@physics.uc.edu>
413 * combine.c (find_split_point): Sign extend bitmask
414 when changing bitfield assignment to IOR of AND.
416 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
418 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
419 clobber to scratch reg.
420 (*decrement_and_branch_until_zero_no_clobber): Remove.
421 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
422 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
423 * config/ms1/ms1.opt (mmul): Remove.
424 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
425 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
427 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
428 Bernd Schmidt <bernd.schmidt@analog.com>
430 * pa/predicates.md (symbolic_operand): Add comment.
431 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
432 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
433 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
434 (pa_secondary_reload_class): Delete.
435 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
436 and pa_secondary_reload_class. Reorder some checks. Update inline
437 copy of symbolic operand.
438 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
440 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
442 * loop-doloop.c (add_test): Only add jump notes if we did emit a
445 2005-11-30 Jeff Law <law@redhat.com>
447 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
448 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
450 2005-11-30 Jakub Jelinek <jakub@redhat.com>
452 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
453 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
454 (ia64_expand_move): Adjust caller.
456 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
457 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
460 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
462 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
463 Always produce an output if we can remove NEGs or canonicalize
464 (minus (minus ...)) expressions. Provide a fast path for the
466 (simplify_gen_binary): Do not call simplify_plus_minus.
467 (simplify_binary_operation_1): Reassociate at the end of the
470 2005-11-29 Evan Cheng <evan.cheng@apple.com>
472 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
473 moves and unpack to speed up.
475 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
477 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
478 argument, they are always sparc_compare_op0 and sparc_compare_op1.
479 (gen_v9_scc): Update callers.
480 * config/sparc/sparc.md: Likewise.
481 * config/sparc/sparc-protos.h: Update extern declaration.
483 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
485 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
487 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
490 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
492 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
493 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
496 2005-11-29 Ben Elliston <bje@au.ibm.com>
498 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
501 2005-11-29 Ben Elliston <bje@au.ibm.com>
503 * Makefile.in (clean-target): Depend on clean-target-libgcc.
504 (clean-target-libgcc): Import rule from the top-level Makefile.in.
506 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
510 * builtins.c (init_target_chars): New.
511 (expand_builtin_printf, expand_builtin_fprintf,
512 expand_builtin_sprintf, fold_builtin_sprintf,
513 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
514 fold_builtin_snprintf_chk, fold_builtin_printf,
515 fold_builtin_fprintf): Check for matching format strings using
518 2005-11-29 Paul Brook <paul@codesourcery.com>
520 * config.gcc: Do not use fixproto on m68k-elf.
522 2005-11-28 Roger Sayle <roger@eyesopen.com>
524 * expmed.c (div_cost): Replace with...
525 (sdiv_cost, udiv_cost): New.
526 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
527 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
528 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
529 (expand_divmod): Replace use of div_cost with either sdiv_cost
530 or udiv_cost depending upon the signedness of the operation.
532 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
535 * config/darwin.c (machopic_indirection_name,
536 machopic_output_indirection): Follow transparent alias chain.
538 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
540 * varasm.c (ultimate_transparent_alias_target): Add comment.
542 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
544 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
545 SET_SRC instead of XEXP where appropriate.
547 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
549 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
552 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
554 * config/fp-bit.h (LSHIFT): Take shift count parameter.
555 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
558 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
560 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
561 secondary_input_reload_class, made static. Adapt to new
563 (secondary_output_reload_class): Delete.
564 (TARGET_SECONDARY_RELOAD): New macro.
565 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
566 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
568 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
571 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
572 when its natural alignment is > BITS_PER_UNIT.
573 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
574 * c-common.c (handle_packed_attribute): Ignore packing on a field
575 whose type is naturally char aligned.
577 2005-11-28 Richard Guenther <rguenther@suse.de>
579 * c-common.c (strict_aliasing_warning): Handle all
580 component-ref like accesses.
582 2005-11-28 Roger Sayle <roger@eyesopen.com>
583 Uros Bizjak <uros@kss-loka.si>
586 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
587 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
588 when flag_unsafe_math_optimizations is set and
589 we don't care about NaNs or Infinities.
591 Move x/expN(y) and x/pow(y,z) transformation into common
592 flag_unsafe_math_optimizations section.
594 2005-11-27 Mark Mitchell <mark@codesourcery.com>
596 * gcc.c (main): Change type of argv to "char **".
598 2005-11-28 Alan Modra <amodra@bigpond.net.au>
600 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
602 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
603 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
604 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
605 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
606 output locals to sbss if !rs6000_elf_in_small_data_p.
607 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
609 2005-11-28 Alan Modra <amodra@bigpond.net.au>
612 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
614 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
615 indexed_or_indirect_address.
616 (indexed_or_indirect_address): Don't test for base reg. Call
617 address_operand last. Make it a special predicate.
619 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
621 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
623 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
626 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
628 (negate_expr): Likewise.
630 2005-11-27 Andreas Schwab <schwab@suse.de>
632 * config/m68k/m68k.c: Reindent and fix whitespace, remove
635 2005-11-27 Steven Bosscher <stevenb@suse.de>
637 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
638 has EH predecessor edges.
640 2005-11-26 Eric Christopher <echristo@apple.com>
642 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
643 register stalls by zero extending to the full register.
645 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
647 * config/floatunsisf.c, config/floatunsidf.c,
648 config/floatunsixf.c, config/floatunsitf.c: New files.
649 * config/ia64/t-hpux: Add floatunsitf.c.
650 * config/ia64/ia64.c (ia64_init_libfuncs): Use
651 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
653 2005-11-26 Richard Henderson <rth@redhat.com>
655 * c-lex.c (pragma_lex): Rename from c_lex.
656 * c-pch.c: Update for pragma_lex rename.
657 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
658 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
659 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
660 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
661 * doc/tm.texi: Likewise.
663 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
666 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
667 when overflow is undefined.
669 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
671 * doc/md.texi (Insn Canonicalizations): Refer to the
672 function commutative_operand_precedence for further rules.
674 2005-11-25 Roger Sayle <roger@eyesopen.com>
677 * expmed.c (choose_mult_variant): Return immediately when mult_cost
678 is less than zero. Limit mult_cost to a reasonable upper bound for
679 the synthetic multiplication sequence.
681 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
684 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
685 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
686 Lookup the explicit replacement functions for any unlocked
687 stdio builtin transformations.
689 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
691 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
693 * targhooks.c (default_secondary_reload): Don't require operand 2
694 for an input reload to be earlyclobber.
696 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
698 * fold-const.c (negate_mathfn_p): Fix comment and add support
699 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
702 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
705 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
706 _Q_ulltoq for unsigned conversions from SImode and DImode to
709 2005-11-25 Alan Modra <amodra@bigpond.net.au>
711 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
712 (__floatundidf, __floatundisf): Likewise.
714 2005-11-25 David Edelsohn <edelsohn@gnu.org>
716 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
717 (rs6000_override_options): Remove initialization of
719 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
720 (rs6000_emit_stack_tie): Same.
721 (emit_frame_save): Same.
722 (gen_frame_mem_offset): Same.
723 (rs6000_emit_prologue): Same.
724 (rs6000_emit_epilogue): Same.
726 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
729 * fold-const.c (fold_build): Convert bool_var != 1 and
730 bool_var == 0 to !bool_var.
732 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
735 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
736 for C being INTEGER_CST. Likewise for !=.
738 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
741 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
742 unsigned conversions from SImode to TFmode.
744 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
746 * expr.c (expand_expr_real_1): Fix error in last change.
748 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
750 * caller-save.c: (this_insn_sets): Move into:
751 (save_call_clobbered_regs).
752 (mark_set_regs): Get this_insn_sets from data.
754 (save_call_clobbered_regs): Take sets of the return value by
755 sibcalls into account.
757 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
760 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
761 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
762 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
763 (memory_move_secondary_cost, init_reg_autoinc): Remove
764 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
765 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
766 secondary_reload_class call.
767 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
769 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
770 (push_secondary_reload): Use secondary_reload target hook.
771 (secondary_reload_class, scratch_reload_class): New functions.
772 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
773 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
774 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
775 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
776 (secondary_reload_class, scratch_reload_class): Declare.
777 * reload1.c: Include target.h.
778 (reload_adjust_reg_for_temp): New function.
779 (reload_adjust_reg_for_icode): Likewise.
780 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
781 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
783 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
784 for inheritance. Support case when both secondary & tertiary reloads
785 are for intermediate registers.
786 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
787 with secondary_reload_class call. Support case when both secondary
788 & tertiary reloads are for intermediate registers.
789 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
790 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
791 * target.h (secondary_reload_info): New struct / typedef.
792 (struct gcc_target): New member secondary_reload.
793 * targhooks.c Include reload.h, optabs.h and recog.h.
794 (default_secondary_reload): New function.
795 * targhooks.h (default_secondary_reload): Declare.
796 * doc/tm.texi: Document secondary_reload target hook. Update
797 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
798 * doc/md.texi: Likewise.
800 * sh-protos.h (sh_secondary_reload): Declare.
801 * sh.c (TARGET_SECONDARY_RELOAD): Override.
802 (sh_secondary_reload): New function.
803 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
804 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
805 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
806 (HAVE_SECONDARY_RELOADS): Define.
807 * sh.md (reload_indf): Rename to:
809 (reload_outdf): Rename to:
810 (reload_outdf__RnFRm).
811 (reload_insf): Rename to:
813 (reload_insi): Rename to:
814 (reload_insi__i_fpul).
816 2005-11-24 Uros Bizjak <uros@kss-loka.si>
818 * configure.ac: Require at least texinfo 4.4.
819 * configure: Regenerate.
821 * doc/install.texi (Tools/packages necessary for building GCC):
822 Update required version of texinfo to at least 4.4.
823 (Installing GCC: Building): Update required version of texinfo
825 (Installing GCC: Final installation): Update required version
826 of texi2dvi to at least 4.4.
827 (Host/target specific installation notes for GCC): Update required
828 version of texinfo to at least 4.4.
830 2005-11-24 Richard Guenther <rguenther@suse.de>
831 Dirk Mueller <dmueller@suse.de>
834 * c-common.h (strict_aliasing_warning): Declare.
835 * c-common.c (strict_aliasing_warning): New function,
837 * c-typeck.c (build_c_cast): ... here.
839 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
841 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
843 (swap_commutative_operands_with_target): New.
845 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
847 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
848 also when doing PRE, rather than only for global CPROP.
850 2005-11-24 Ben Elliston <bje@au.ibm.com>
852 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
853 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
855 (expand_twoval_unop): Likewise.
856 (widen_clz): Likewise.
857 (expand_parity): Likewise.
858 (expand_unop): Likewise.
859 (emit_cmp_and_jmp_insn_1): Likewise.
860 (prepare_float_lib_cmp): Likewise.
862 2005-11-24 Ben Elliston <bje@au.ibm.com>
864 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
865 Remove unused `class' variable.
867 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
870 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
871 C/C++ diagnostic function warn_array_subscript_with_type_char.
872 * c-common.h (warn_array_subscript_with_type_char): Declare.
873 * c-common.c (warn_array_subscript_with_type_char): Define.
875 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
878 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
879 compiling at the intersection of C and C++.
881 2005-11-23 Mark Mitchell <mark@codesourcery.com>
883 * doc/invoke.texi: For man pages, include gcc-vers.texi.
884 List @file in the option summary. Include the libiberty
885 documentation for @file.
886 * gcc.c (main): Call expandargv.
887 * Makefile.in (gcc-vers.texi): Define srcdir.
889 2005-11-23 Diego Novillo <dnovillo@redhat.com>
891 * passes.c (init_optimization_passes): Document
892 sequencing of passes.
894 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
896 * config/m68k/predicates.md (pcrel_address, extend_operator,
897 post_inc_operand, pre_dec_operand): Remove redundant
899 (const_uint32_operand, const_sint32_operand): Use gcc_assert
901 (valid_dbcc_comparison_p): Rewrite in the lisp style.
903 2005-11-23 Ben Elliston <bje@au.ibm.com>
905 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
907 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
909 Preparatory work for PR target/21623:
910 * alpha.c (secondary_reload_class): Rename to:
911 (alpha_secondary_reload_class).
912 * alpha.h, alpha-protos.h: Likewise.
913 * mn10300.c (secondary_reload_class): Rename to:
914 (mn10300_secondary_reload_class).
915 * mn10300.h, mn10300-protos.h: Likewise.
916 * pa.c (secondary_reload_class): Rename to:
917 (pa_secondary_reload_class).
918 * pa.h, pa-protos.h: Likewise.
919 * rs6000.c (secondary_reload_class): Rename to:
920 rs6000_secondary_reload_class.
921 * rs6000.h, rs6000-protos.h: Likewise.
923 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
926 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
928 2005-11-22 Ian Lance Taylor <ian@airs.com>
930 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
932 (prepare_cmp_insn): Likewise.
934 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
937 * m68k.md (zero_extendsidi2): Force operands[1] to a register
938 if both operands[0] and operands[1] are memory.
940 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
943 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
944 COMPARISON_CLASS_P and an integral types create create a new
945 expression with the new type and fold that.
947 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
950 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
951 to SUBTARGET_OS_CPP_BUILTINS.
953 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
955 * arm.c (emit_set_insn): New function.
956 (arm_split_constant): Call it.
957 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
958 (arm_legitimize_address): Likewise. Use plus_constant.
959 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
960 (thumb_expand_prologue): Likewise.
961 (arm_gen_load_multiple): Use VOIDmode in SET.
962 (arm_gen_store_multiple): Likewise.
963 (vfp_emit_fstmx): Likewise. Use plus_constant.
964 (emit_multi_reg_push): Likewise.
965 (emit_sfm): Use plus_constant.
967 2005-11-23 Alan Modra <amodra@bigpond.net.au>
970 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
973 2005-11-22 Alan Modra <amodra@bigpond.net.au>
976 * expmed.c (store_bit_field): Don't attempt to insv a field
979 2005-11-22 Alan Modra <amodra@bigpond.net.au>
982 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
983 explicit sign extension, not a (char) cast.
985 2005-11-22 Ben Elliston <bje@au.ibm.com>
987 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
988 GET_MODE_CLASS (x) == MODE_FLOAT.
989 * config/i386/i386.c: Likewise.
990 * config/rs6000/xcoff.h: Likewise.
991 * config/rs6000/linux64.h: Likewise.
992 * config/rs6000/rs6000.c: Likewise.
993 * config/rs6000/rs6000.h: Likewise.
994 * config/rs6000/predicates.md: Likewise.
995 * config/rs6000/sysv4.h: Likewise.
997 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
999 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
1002 * config/alpha/freebsd.h, config/alpha/linux.h,
1003 config/arm/linux-elf.h, config/bfin/bfin.h,
1004 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
1005 config/i386/beos-elf.h, config/i386/gnu.h,
1006 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
1007 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
1008 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
1009 config/rs6000/linux64.h, config/rs6000/sysv4.h,
1010 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
1011 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
1012 config/sparc/linux.h, config/sparc/linux64.h,
1013 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
1015 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
1016 are both defined when either flag -fpic or -fPIC are used.
1018 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
1020 * config/fp-bit.c (clzusi): New function.
1021 (si_to_float, usi_to_float): Use it to compute proper shift.
1022 (usi_to_float): Preserve guard bits when shifting right.
1023 * libgcc-std.ver (GCC_4.2.0): New version.
1024 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
1025 __floatundisf): New functions.
1026 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
1027 __floatundisf): Declare.
1028 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
1029 _floatundixf, and _floatunditf.
1030 * optabs.c (expand_float): If target does not define a pattern for
1031 signed or unsigned conversion, use an unsigned libcall instead of
1033 (init_optabs): Initialize ufloat_optab.
1035 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
1037 * config/rs6000/rs6000.opt (mmulhw): New option.
1038 * doc/invoke.texi (-mmulhw): Document.
1039 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
1041 * config/rs6000/rs6000.md: Add half-word multiply and
1042 multiply-accumulate instructions for 405 and 440.
1044 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
1046 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
1047 which matches behavior of gcc 4.0 and older for RTEMS targets. The
1048 default now includes a linker group which makes the RTEMS one nest.
1050 2005-11-22 Ben Elliston <bje@au.ibm.com>
1052 * cse.c (fold_rtx): Typo fix.
1053 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
1055 2005-11-21 Richard Henderson <rth@redhat.com>
1057 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
1058 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
1060 * c-tree.h (lookup_name): Move declaration ...
1061 * c-common.h (lookup_name): ... here.
1062 * config/darwin-c.c: Include c-common.h.
1063 * config/t-darwin: Update dependencies.
1065 2005-11-22 Ben Elliston <bje@au.ibm.com>
1067 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
1068 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
1069 * genopinit.c (gen_insn): Likewise.
1070 * reload.c (find_equiv_reg): Likewise.
1071 * loop.c (load_mems): Likewise.
1072 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
1073 * cse.c (find_comparison_args, fold_rtx): Likewise.
1074 * dwarf2out.c (add_const_value_attribute): Likewise.
1075 * expr.c (convert_move): Likewise.
1076 * recog.c (general_operand, register_operand): Likewise.
1077 * reg-stack.c (replace_reg): Likewise.
1078 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
1079 * c-common.c (handle_vector_size_attribute): Likewise.
1080 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
1081 (simplify_binary_operation_1): Likewise.
1082 (simplify_const_binary_operation): Likewise.
1083 (simplify_relational_operation): Likewise.
1084 (simplify_const_relational_operation): Likewise.
1085 (simplify_immed_subreg): Likewise.
1086 * emit-rtl.c (gen_lowpart_common): Likewise.
1087 * expmed.c (expand_mult): Likewise.
1088 * stor-layout.c (layout_type): Likewise.
1090 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
1093 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
1094 cst2 only for SPE vectors.
1096 2005-11-21 David Edelsohn <edelsohn@gnu.org>
1099 * config/rs6000/predicates.md (vrsave_operation): Check
1100 UNSPEC_VOLATILE value.
1102 2005-11-21 Jan Hubicka <jh@suse.cz>
1104 PR tree-optimization/24653
1105 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
1107 2005-11-21 Uros Bizjak <uros@kss-loka.si>
1109 * config/i386/predicates.md (ax_reg_operand): New predicate.
1110 (memory_displacement_only_operand): New predicate.
1111 * config/i386/i386.md ("modrm" attribute): Return 0 if one
1112 operand is AX register and the other operand is memory operand
1113 with displacement only.
1115 2005-11-21 Uros Bizjak <uros@kss-loka.si>
1117 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
1118 if we don't care about NaNs or Infinities.
1120 2005-11-20 Ian Lance Taylor <ian@airs.com>
1122 PR rtl-optimization/24883
1123 * combine.c (combinable_i3pat): When checking whether the
1124 destination of i3 is used in i3, consider paradoxical subregs.
1126 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
1129 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
1131 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
1133 * combine.c (try_combine): Do not run subst on i1src and i2src in
1134 the case of generating a PARALLEL for a comparison.
1136 2005-11-20 Richard Henderson <rth@redhat.com>
1139 * tree-sra.c (struct sra_elt): Add all_no_warning.
1140 (struct sra_walk_fns) <use>: Add use_all argument.
1141 (sra_walk_expr): Pass it.
1142 (sra_walk_modify_expr): Likewise.
1143 (scalarize_ldst): Likewise.
1144 (scan_use): Update for new argument.
1145 (mark_no_warning): New.
1146 (scalarize_use): Use it.
1148 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1150 * expr.c (expand_expr_real): Use usmul_optab for widening
1151 signed * unsigned multiplies.
1152 * genopinit.c (optabs): Add usmul_widen_optab.
1153 * optabs.c (init_optabs): Likewise.
1154 * optabs.h (enum optab_index): Add OTI_usmul_widen.
1155 (usmul_widen_optab): Define.
1156 * config/bfin/bfin.md (usmulhisi3): New pattern.
1158 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
1160 2005-11-20 Graham Stott <btinternet.com>
1162 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
1164 2005-11-20 Andreas Schwab <schwab@suse.de>
1167 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
1170 2005-11-19 Richard Henderson <rth@redhat.com>
1173 * tree-gimple.c (is_gimple_id): Export.
1174 * tree-gimple.h (is_gimple_id): Declare.
1175 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
1176 (get_default_value): Use it.
1177 (maybe_fold_stmt_indirect): Likewise.
1179 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
1181 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
1182 than VR1 or vice-versa.
1184 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
1188 * reload.c (find_reloads_address_1): Mention dependency on
1190 * reload1.c (gen_reload): For IN with an unary operation, try
1191 moving inner expression to OUT if trivial SET is not valid.
1192 Confirm that the result is valid. Move common code block into...
1193 (emit_insn_if_valid_for_reload): New function.
1195 2005-11-19 Richard Guenther <rguenther@suse.de>
1197 * fold-const.c (fold_indirect_ref_1): Make sure we fold
1198 ARRAY_REFs of constant strings.
1200 2005-11-19 Jakub Jelinek <jakub@redhat.com>
1202 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
1203 fatal format string.
1205 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
1207 * combine.c (make_compound_operation): Swap operands of
1208 commutative operation if necessary before returning.
1210 2005-11-19 Richard Guenther <rguenther@suse.de>
1213 * fold-const.c (fold_plusminus_mult_expr): New function.
1214 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
1215 cases, remove now unnecessary code.
1217 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
1219 * gensupport.c (old_preds): Rename to std_preds, add special field.
1220 (struct old_pred_table): Rename to struct std_pred_table, add special
1222 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
1223 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
1224 (init_predicate_table): Adjust, and set along the way whether a
1225 predicate is special.
1227 2005-11-18 Mark Mitchell <mark@codesourcery.com>
1229 * BASE-VER: Change to 4.2.0.
1231 2005-11-18 James E Wilson <wilson@specifix.com>
1233 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
1236 2005-11-18 Mike Stump <mrs@apple.com>
1238 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
1239 * config/darwin-c.c (darwin_pragma_unused): Likewise.
1240 * c-decl.c (lookup_name_two) Remove.
1241 * c-tree.h (lookup_name_two): Remove.
1242 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
1243 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
1244 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
1245 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
1247 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
1250 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
1251 when not generating code to use that co-processor.
1253 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
1255 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
1256 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
1257 these functions are now in tree-phinodes.c.
1259 2005-11-18 Jie Zhang <jie.zhang@analog.com>
1261 * config/bfin/bfin.md (trap): New pattern.
1263 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1265 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
1268 * expr.c (expand_expr_real): Don't call record_block_change unless
1269 ib_boundaries_block is non-null
1271 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
1273 * fold-const.c (build_range_check): Use proper type for subtraction
1274 when merging lower bound.
1276 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
1278 PR rtl-optimization/24497
1279 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
1282 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
1284 * tree-scalar-evolution.c (expression_expensive_p): New function.
1285 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
1287 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
1289 * config/bfin/crtlibid.s: New file.
1291 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1294 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
1295 when not using sjlj exceptions.
1296 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
1297 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1298 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
1299 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
1300 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
1301 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
1302 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
1303 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
1304 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
1305 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
1306 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
1307 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
1308 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
1310 * config/pa/hpux-unwind.h: New file.
1312 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
1314 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
1315 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
1316 * varasm.c (do_assemble_alias): Adjust call.
1317 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
1319 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
1321 2005-11-17 James E Wilson <wilson@specifix.com>
1323 * tree.def (FUNCTION_DECL): Correct typo in comment.
1325 2005-11-17 Richard Henderson <rth@redhat.com>
1327 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
1328 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
1329 and DW_CFA_def_cfa_sf.
1330 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
1331 (dbx_reg_number): Don't assert particular registers here.
1332 (based_loc_descr): ... do it here instead. Fold in ...
1333 (eliminate_reg_to_offset): ... this function.
1334 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
1335 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
1336 * unwind-dw2.c (execute_cfa_program): Apply data align factor
1337 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
1338 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
1339 (instantiate_virtual_regs): Likewise.
1340 * var-tracking.c (adjust_stack_reference): Likewise.
1341 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
1343 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
1345 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
1346 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
1347 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
1349 ($(T)crtlibid.o): New rule.
1351 2005-11-16 Richard Guenther <rguenther@suse.de>
1354 * fold-const.c (extract_array_ref): Return byte offset
1356 (fold_binary): Fold &x[a] CMP &x[b] to
1357 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
1360 2005-11-16 Richard Henderson <rth@redhat.com>
1363 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
1364 parts of an SSA_NAME.
1366 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
1369 * arm.md (split for movsf with immediate): Restrict split to insns
1370 that set a general register.
1372 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1374 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
1376 * unwind-dw2.c (uw_advance_context): Likewise.
1377 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
1378 _Unwind_SjLj_Unregister.
1379 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
1381 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1383 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
1385 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1387 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
1388 langhook to get a DImode integer type.
1390 2005-11-16 Richard Henderson <rth@redhat.com>
1391 J"orn Rennecke <joern.rennecke@st.com>
1392 Ulrich Weigand <uweigand@de.ibm.com>
1396 * reload1.c (reg_equiv_invariant): New.
1397 (reload): Allocate, initialize, and free it.
1398 (calculate_needs_all_insns): Check it when skipping equivalence
1400 (alter_reg): Likewise.
1401 (eliminate_regs_1): Rename from eliminate_regs. Add new
1402 may_use_invariant argument; only use reg_equiv_invariant when true.
1403 (eliminate_regs): New.
1404 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
1405 a context for which may_use_invariant may be true.
1407 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1409 * fold-const.c (const_binop): Don't constant fold the operation
1410 if the result has overflowed and flag_trapping_math.
1411 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
1413 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1415 * config/arm/unwind-arm.c (abort): Add prototype here.
1416 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
1417 (struct phase1_vrs): Add prev_sp.
1418 (unwind_phase2_forced): Save the original core registers instead of
1419 modifying entry_vrs. Take a new flag argument for resuming unwinding
1420 and set action flags accordingly. Always set _US_END_OF_STACK when
1421 get_eit_entry fails. Unwind before calling the stop function.
1422 (_Unwind_GetCFA): New function.
1423 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
1424 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
1425 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
1426 just call unwind_phase2_forced.
1427 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
1428 * config/arm/unwind-arm.h (abort): Remove prototype.
1429 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
1431 (_Unwind_GetCFA): New prototype.
1432 * config/arm/pr-support.c (abort): Add prototype here.
1433 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
1435 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
1436 not schedule the prologue with non-call exceptions and EABI.
1438 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
1440 * config/arm/unwind-arm.h: Reorder interface function declarations.
1441 (_URC_END_OF_STACK): New enumeration value.
1442 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
1443 (struct _Unwind_Control_Block): Document reserved field use.
1444 (_Unwind_Stop_Fn): New typedef.
1445 (_Unwind_ForcedUnwind): Declare.
1446 (_Unwind_Resume_or_Rethrow): Declare.
1447 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
1449 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
1450 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
1451 (UCB_FORCED_STOP_ARG): New.
1452 (search_EIT_table): Update boundary condition checks.
1453 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
1454 (unwind_phase2): Replace for with do..while.
1455 (unwind_phase2_forced): New.
1456 (__gnu_Unwind_RaiseException): Replace for with do..while.
1457 (__gnu_Unwind_ForcedUnwind): New.
1458 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
1459 Use appropriate phase2 unwinder.
1460 (__gnu_Unwind_Resume_or_Rethrow): New.
1461 (__gnu_unwind_pr_common): Cope with forced unwinding.
1463 2005-11-16 David Edelsohn <edelsohn@gnu.org>
1466 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
1468 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
1469 roundsf2): Remove "s" from mnemonic.
1471 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
1473 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
1475 * config/bfin/crtn.s: Change epilogues to match.
1476 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
1477 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
1478 __PIC__ and __pic__.
1480 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
1483 * doc/invoke.texi: Distinguish between free and fixed form instead of
1484 Fortran and Fortran 90/95. Remove ratfor from the list of supported
1486 * gcc.c (default_compilers): Remove double entries, add entries for
1487 suffixes '.F90' and '.F95'.
1489 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1491 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
1492 in the stack probing loop.
1494 2005-11-15 David Edelsohn <edelsohn@gnu.org>
1496 * configure.ac: Use .machine power5 not power5x.
1497 * configure: Regenerate.
1499 2005-11-15 Mike Stump <mrs@apple.com>
1501 * c-decl.c (lookup_name_two): Add.
1502 * c-tree.h (lookup_name_two): Likewise.
1503 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
1504 * config/darwin-c.c (darwin_pragma_unused): Likewise.
1506 2005-11-16 Alan Modra <amodra@bigpond.net.au>
1508 PR rtl-optimization/23392
1509 * regrename.c (enum scan_actions) Add mark_access.
1510 (scan_actions_name): Ditto.
1511 (scan_rtx_reg): Handle mark_access.
1512 (scan_rtx_address): Do nothing for mark_access.
1513 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
1514 and regs in REG_INC notes before closing chains for dead regs.
1515 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
1516 opening chains for new writes.
1518 2005-11-15 David Edelsohn <edelsohn@gnu.org>
1520 * c.opt (ffixed-line-length-none): New.
1522 2005-11-15 Steve Ellcey <sje@cup.hp.com>
1524 * mklibgcc.in: Change contents of eh_dummy.c.
1526 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
1528 * loop.c (scan_loop): Do not insert temporaries for hard registers.
1530 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
1532 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
1534 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
1536 2005-11-15 Jan Hubicka <jh@suse.cz>
1538 * invoke.texi (large-unit-insns): Document.
1539 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
1540 * params.def (large-unit-insns): New param.
1542 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
1545 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
1546 special register for operand 3. Reindent constraints to align
1549 2005-11-14 David Edelsohn <edelsohn@gnu.org>
1551 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
1552 -mpopcntb, -mfprnd. Add -mcpu=power5+.
1553 * configure.ac: Add test for FP rounding instructions.
1554 * configure: Regenerate.
1555 * config.in: Regenerate.
1556 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1557 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
1559 * config/rs6000/rs6000.opt (mfprnd): New.
1560 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
1561 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
1562 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
1563 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
1564 (TARGET_FPRND): New.
1565 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
1567 (btrunc<mode>2): New.
1569 (floor<mode>2): New.
1570 (round<mode>2): New.
1572 2005-11-14 Geoffrey Keating <geoffk@apple.com>
1574 * gcc.c (version_compare_spec_function): Use fatal() rather than
1577 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
1578 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
1579 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
1581 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
1584 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
1585 on -mmacosx-version-min setting.
1587 2005-11-14 Diego Novillo <dnovillo@redhat.com>
1590 * tree-vrp.c (infer_value_range): Return false if STMT is a
1591 block terminator and its basic block has no successors.
1593 2005-11-14 Mike Stump <mrs@apple.com>
1595 * config/i386/i386.c (override_options): -masm=intel isn't
1596 supported on darwin.
1597 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1599 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
1601 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
1602 vfork after including auto-host.h.
1604 2005-11-15 Alan Modra <amodra@bigpond.net.au>
1606 PR rtl-optimization/22002
1607 * combine.c (distribute_notes): Detect cases where a reg dies
1608 two or more times in a bb, including on the insn we are combining,
1609 and place the death note on the correct range.
1611 2005-11-14 Dale Johannesen <dalej@apple.com>
1613 * expmed.c (store_bit_field): Add offset unconditionally for
1615 (extract_bit_field): Don't force extzv or extv operand into
1616 a register if field is too big.
1618 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1620 * config/arm/arm.c (pic_labelno): New.
1621 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
1622 LABEL_REF. Pass only the labelno to PIC insns.
1623 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1624 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
1625 * arm.md (UNSPEC_PIC_LABEL): New constant.
1626 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
1627 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
1628 Use the correct label prefix.
1630 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1632 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
1635 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
1637 * loop-invariant.c: Include tm_p.h.
1638 * Makefile.in: Updated.
1640 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1642 * pa.c (store_reg): Revise generation of frame notes in large frames.
1643 (set_reg_plus_d): Likewise.
1645 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
1647 PR tree-optimization/24709
1648 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
1651 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
1653 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
1654 and duplicate declaration of pthread_self.
1656 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
1657 Ian Lance Taylor <ian@airs.com>
1660 * calls.c (expand_call): If TARGET is a MEM and some part of the
1661 argument area has been saved, force TARGET to a register.
1663 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
1665 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
1668 2005-11-13 Jason Merrill <jason@redhat.com>
1671 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
1672 lazily declared methods.
1673 (force_decl_die): Stop if forcing out the context already make a
1675 (force_type_die): Likewise.
1677 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
1680 * builtins.c (integer_valued_real_p): Add break in
1681 REAL_CST having TREE_OVERFLOW set.
1683 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
1685 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
1686 addressing modes during calculation of costs.
1688 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
1690 * function.c (assign_stack_local_1): Restrict sanity check
1691 on frame size overflow to 32-bit and above platforms.
1693 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1695 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1696 * config/cris/cris.c: Include reload.h.
1697 (cris_initial_elimination_offset): New function.
1698 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
1701 2005-11-12 Richard Guenther <rguenther@suse.de>
1703 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
1705 2005-11-12 Jan Hubicka <jh@suse.cz>
1707 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
1708 to compare against 0 when possible.
1710 2005-11-12 Jie Zhang <jie.zhang@analog.com>
1712 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
1713 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1714 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
1715 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
1718 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1720 * recog.c (constrain_operands) <case 'g'>: For a match, require
1721 that a non-register matches general_operand when strict >= 0.
1723 2005-11-11 Steven Bosscher <stevenb@suse.de>
1725 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
1728 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1730 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
1731 (memory_address_same): New.
1732 (dse_optimize_stmt): Call memory_address_same.
1734 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1737 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
1738 ZERO_EXTEND>: New cases.
1740 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1742 * longlong.h (__clz_tab): Always provide.
1744 2005-11-11 Steven Bosscher <stevenb@suse.de>
1747 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
1749 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
1750 before check_maybe_invariant.
1751 (move_invariant_reg): Use gen_move_insn instead of replacing
1752 SET_DEST with the temporary for the invariant.
1753 (move_loop_invariants): If checking is enabled, do internal
1754 consistency checks after completing the pass.
1756 2005-11-11 David Edelsohn <edelsohn@gnu.org>
1759 * common.opt (Wvolatile-register-var): New.
1760 * varasm.c (make_decl_rtl): Only emit warning when option
1761 specified. Clarify warning message.
1762 * doc/invoke.texi (Wvolatile-register-var): Document new option.
1764 * doc/md.texi (copysign): Document standard named pattern.
1766 2005-11-11 Jie Zhang <jie.zhang@analog.com>
1768 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
1769 bytes when align is 2.
1770 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
1771 by the first instruction of the loop.
1773 2005-11-11 Jason Merrill <jason@redhat.com>
1776 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
1779 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1781 PR rtl-optimization/22509
1782 * local-alloc.c (memref_used_between_p): Check whether a function call
1783 could not reference the memref.
1785 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
1787 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
1788 algorithm so as to choose the best, not the worst, alternative.
1789 Reset accumulated register class before processing next alternative.
1791 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
1794 * calls.c (expand_call): Copy a return value to a plain register
1797 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
1800 * varasm.c (assemble_name): Recompute name only for transparent
1803 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
1805 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
1807 2005-11-04 Jeff Law <law@redhat.com>
1810 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
1811 perform reassociation if the parent statement will not die as
1812 a result of the optimization.
1814 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
1816 * tree-ssa-alias.c (compute_may_aliases): Remove call to
1817 delete_old_heap_vars.
1818 * tree-dfa.c (referenced_var_remove): Remove function.
1819 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
1820 (delete_tree_ssa): Remove call to delete_old_heapvars.
1821 Add call to delete_alias_heapvars.
1822 * tree-flow.h (referenced_var_remove): Remove prototype
1823 (init_alias_heapvars): New prototype.
1824 (delete_alias_heapvars): Ditto.
1825 * Makefile.in (tree-ssa-structalias.o): Add
1826 gt-tree-ssa-structalias.o
1827 (GTFILES): Add tree-ssa-structalias.h and
1828 tree-ssa-structalias.c.
1829 (s-gtype): Add gt-tree-ssa-structalias.h.
1830 * tree-ssa-structalias.c (heapvars): Remove.
1831 (oldheapvars): Remove.
1832 (heapvar_for_stmt): New variable.
1833 (heapvar_lookup): New function.
1834 (heapvar_insert): Ditto.
1835 (get_constraint_for): See if we have an old heapvar
1837 (init_alias_heapvars): New function.
1838 (delete_alias_heapvars): Ditto.
1839 Add include of gt-tree-ssa-structalias.h.
1841 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1844 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
1846 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
1848 * tree.c (int_fits_type_p): Only look at the base type
1849 if it has the same precision as the original type.
1851 2005-11-10 Jakub Jelinek <jakub@redhat.com>
1854 * varasm.c (assemble_alias): Use %q+D in the error
1855 message instead of %J and %qD.
1857 2005-11-10 Richard Guenther <rguenther@suse.de>
1859 * gcse.c (free_ldst_entry): Only free hashtable if
1862 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1864 * function.c (assign_stack_local_1): Issue an error message if
1865 the frame size overflows in the signed target arithmetics.
1867 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1869 * tree.c (build_qualified_type): Chain the new type to the original
1870 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1871 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1872 (build_pointer_type_for_mode): Only return unqualified types.
1873 (build_reference_type_for_mode): Likewise.
1875 2005-11-09 Jakub Jelinek <jakub@redhat.com>
1877 * Makefile.in (gnucompare): Do comparison of all files using one of
1878 the chosen methods and only afterwards decide if just warning should
1879 be issued or comparison failure raised.
1881 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1883 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
1884 (noce_try_abs): Negate if the comparison is reversed.
1885 Look only one instruction backwards for a REG_EQUAL note.
1887 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1890 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
1891 gthr-tpf.h: Define __gthrw. For all identifiers that might
1892 be weak, introduce weakrefs or non-weak aliases with __gthrw,
1893 and prefix all uses with __ghtrw.
1895 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1898 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
1899 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
1900 * c-common.c (handle_weakref_attribute): New.
1901 (c_common_attribute_table): Add weakref.
1902 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
1904 * configure, config.in: Rebuilt.
1905 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
1906 * doc/extend.texi: Document weakref attribute.
1907 * varasm.c (ultimate_transparent_alias_target): New
1908 (assemble_name): Use it.
1909 (weak_finish_1): Split out of...
1910 (weak_finish): ... and deal with weakrefs in...
1911 (weakref_targets): ... new list.
1912 (globalize_decl): Clean up weakref_targets.
1913 (do_assemble_alias): Handle weakrefs.
1914 (finish_aliases_1): Do not reject weakrefs to external symbols.
1915 (assemble_alias): Handle weakrefs.
1917 2005-11-09 Richard Guenther <rguenther@suse.de>
1919 PR tree-optimization/24716
1920 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
1921 t_bool to track results from follow_ssa_edge.
1923 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1925 * final.c (force_source_line): New global variable.
1926 (final_scan_insn): Set it to true instead of clearing last_filename.
1927 (notice_source_line): Return true if force_source_line is true,
1928 unless source info is absent.
1930 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
1933 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
1934 a linkage name for a variable if it a register variable.
1935 * c-decl.c (grokdeclarator): Global register variables
1936 should be set as PUBLIC.
1938 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1941 * config/s390/s390.c (struct s390_frame_layout): New fields
1942 first_save_gpr_slot and last_save_gpr_slot.
1943 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
1944 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
1945 first_save_gpr and last_save_gpr with the _slot variants.
1946 (s390_register_info): Calculate first_save_gpr_slot and
1947 last_save_gpr_slot using regs_ever_live.
1949 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1952 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
1953 for a function containing a landing pad.
1955 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1958 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
1961 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
1963 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
1964 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
1966 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
1969 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
1971 (call,load,store): New insn types.
1972 (mem_access, branch_access): Adjust reservation conditions.
1973 (define_delay): Adjust condition.
1974 (decrement_and_branch_until_zero): Allow for ms2. Set branch
1976 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
1977 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
1979 (call_internal, call_value_internal, return_internal,
1980 return_interrupt_internal, eh_return_internal, indirect_jump,
1981 tablejump): Set call insn type.
1982 (blockage, ei, di): Use appropriate unspec const.
1983 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
1984 (ms1_get_attr_type): Adjust to give load & store types.
1985 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
1986 backwards past a barrier.
1987 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
1989 (struct branch_info, struct label_info): New.
1991 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
1992 (ms1_machine_reorg): New.
1993 (TARGET_MACHINE_DEPENDENT_REORG): Override.
1994 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
1995 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
1996 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
1999 2005-11-09 Per Bothner <per@bothner.com>
2000 Uros Bizjak <uros@kss-loka.si>
2003 * toplev.c (process_options): Initialize debug_hooks early
2004 in case lang_hooks.post_options ends up calling a debug_hook.
2006 2005-11-08 Jakub Jelinek <jakub@redhat.com>
2008 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
2009 DBX_REGISTER_NUMBER being contiguous.
2011 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
2012 Diego Novillo <dnovillo@redhat.com>
2015 * tree-vrp.c (register_edge_assert_for): Do not register
2016 always-false predicates.
2018 2005-11-08 Devang Patel <dpatel@apple.com>
2020 PR tree-optimization/23115
2021 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
2024 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
2026 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
2029 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
2031 Fix PR tree-optimization/23382
2033 * tree-ssa-alias.c (compute_may_aliases): Call
2034 delete_old_heap_vars.
2035 * tree-dfa.c (referenced_var_remove): New function.
2036 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
2037 * tree-flow.h (referenced_var_remove): Add prototype.
2038 (delete_old_heap_vars): Ditto.
2039 * tree-ssa-structalias.c (heapvars): New variable.
2040 (oldheapvars): Ditto.
2041 (get_constraint_for): Put heap vars on heapvars list.
2042 (delete_old_heap_vars): New function.
2044 2005-11-08 Jason Merrill <jason@redhat.com>
2046 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
2048 2005-11-08 Uros Bizjak <uros@kss-loka.si>
2051 * reg-stack.c (reg_to_stack): Update register liveness also
2052 for flag_sched2_use_traces.
2054 2005-11-08 Alan Modra <amodra@bigpond.net.au>
2057 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
2058 override prior explicit -mno-powerpc-gfxopt.
2060 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
2062 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
2063 if the bitsize is zero.
2064 * doc/md.texi (Standard Pattern Names): Document it.
2066 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
2067 (TARGET_PASS_BY_REFERENCE): Likewise.
2069 2005-11-07 Ian Lance Taylor <ian@airs.com>
2071 PR rtl-optimization/24683
2072 * config/i386/i386.c (legitimize_pic_address): If constant operand
2073 to PLUS is too large, put it in a register.
2075 2005-11-07 Jie Zhang <jie.zhang@analog.com>
2077 * configure.ac: Enable checking assembler dwarf2 support for bfin
2079 * configure: Regenerate.
2081 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
2085 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
2086 gen_easy_vector_constant_add_self): Delete.
2087 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
2089 (output_vec_const_move): Use gen_easy_altivec_constant.
2090 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
2091 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
2092 (easy_vector_constant_add_self): Rewritten.
2093 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
2094 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
2095 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
2096 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
2097 Macroize and adjust for the other changes.
2099 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
2103 * c-typeck.c (build_c_cast): Try using a shared constant, and see
2104 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
2106 2005-11-07 Jakub Jelinek <jakub@redhat.com>
2108 PR rtl-optimization/23567
2109 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
2110 (noce_process_if_block): Don't do any optimizations except
2111 if (cond) x = x; if !set_b and write into orig_x may trap
2112 or fault. Remove the MEM_READONLY_P check.
2114 2005-11-06 Diego Novillo <dnovillo@redhat.com>
2117 * tree-vrp.c (fix_equivalence_set): New.
2118 (extract_range_from_assert): Call it.
2120 2005-11-05 Ian Lance Taylor <ian@airs.com>
2123 * combine.c (apply_distributive_law): Don't distribute across a
2126 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
2128 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
2129 config/ms1/ms1.h, config/rs6000/predicates.md,
2130 config/s390/s390.c, params.def, postreload-gcse.c,
2131 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
2132 tree-vrp.c, tree.c: Fix comment typos.
2133 * doc/invoke.texi: Fix typos.
2135 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
2137 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
2138 for testing whether the data_dependence_relation contains distance
2139 vectors. Iterate over all distance vectors of the ddr.
2140 * lambda.h: Define a vec of lambda_vector pointers.
2141 * tree-data-ref.c (dump_data_dependence_relation,
2142 dump_data_dependence_direction): Iterate over all distance and
2143 direction vectors of the ddr.
2144 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
2146 (build_classic_dist_vector, build_classic_dir_vector): Push a set
2147 of distance/direction vectors instead of a single one.
2148 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
2149 lambda_vectors with a vec of lambda_vectors.
2150 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
2151 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
2152 DDR_NUM_DIST_VECTS): New.
2153 * tree-loop-linear.c (gather_interchange_stats): Test for the
2154 existence of distance vectors only after having checked that there
2155 is a dependence. Iterate over all distance vectors of the ddr.
2156 (linear_transform_loops): Use dump_data_dependence_relation.
2157 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
2158 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
2159 distance vectors of the ddr.
2161 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
2163 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
2164 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
2165 IS_INTHANDLER; all callers changed.
2166 (n_regs_saved_by_prologue): Take interrupt handler attributes into
2168 (do_link, do_unlink): New argument ALL; all callers changed.
2169 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
2170 If function isn't leaf, save and restore all registers.
2171 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
2174 2005-11-05 Jan Hubicka <jh@suse.cz>
2176 PR rtl-optimization/23490
2177 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
2178 max-flow-memory-location): Document.
2179 * flow.c: Include params.h
2180 (MAX_MEM_SET_LIST_LEN): Kill.
2181 (add_to_mem_set_list): Use new param.
2182 * cse.c (cse_basic_block): Replace 1000 by new param.
2183 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
2184 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
2185 * predict.c (predict_loops): Use new param.
2186 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
2188 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
2189 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
2190 Do not hold memory returned by cgraph_node_name across other call.
2192 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
2195 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
2198 2005-11-04 Jeff Law <law@redhat.com>
2201 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
2202 * tree-ssa-dom.c: Include params.h.
2203 (thread_across_edge): If there are too many statements in the
2204 target block, then do not thread through it.
2205 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
2206 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
2208 2005-11-03 Diego Novillo <dnovillo@redhat.com>
2211 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
2212 TODO_update_ssa instead of TODO_update_ssa_no_phi.
2214 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
2217 * tree-scalar-evolution.c (instantiate_parameters_1,
2218 instantiate_parameters, resolve_mixers): Compute the size of an
2219 expression to be instantiated and give up the instantiation if the
2220 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2222 2005-11-04 Richard Guenther <rguenther@suse.de>
2224 * tree-flow.h (ref_contains_indirect_ref): Rename to
2225 array_ref_contains_indirect_ref.
2226 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
2227 (array_ref_contains_indirect_ref): Make comment match the code
2229 (ref_contains_array_ref): Likewise.
2230 * tree-ssa-structalias.c (find_func_aliases): Remove call to
2231 ref_contains_indirect_ref.
2232 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2233 Rename calls to ref_contains_indirect_ref.
2235 2005-11-04 Paul Brook <paul@codesourcery.com>
2237 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
2238 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
2239 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2240 * config/arm/arm.md: Use match_operand in peephole input templates
2241 and match_dup in peephole output templates.
2243 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2245 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
2248 2005-11-04 Mark Mitchell <mark@codesourcery.com>
2249 Daniel Jacobowitz <dan@codesourcery.com>
2251 * longlong.h (add_ssaaaa): Clobber condition code register
2253 (sub_ddmmss): Likewise.
2254 (umul_ppmm): Likewise.
2256 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2257 Paul Brook <paul@codesourcery.com>
2258 Phil Blundell <pb@reciva.com>
2260 * configure.ac: Add test for ARM TLS support.
2261 * configure: Regenerated.
2262 * config/arm/arm-protos.h (legitimize_tls_address)
2263 (arm_tls_referenced_p, tls_mentioned_p)
2264 (arm_output_addr_const_extra): New prototypes.
2265 (thumb_legitimize_pic_address): Delete.
2266 * config/arm/arm.c: Include "gt-arm.h".
2267 (enum tls_reloc): New.
2268 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
2269 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
2270 (arm_call_tls_get_addr, legitimize_tls_address)
2271 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
2272 (arm_init_tls_builtins, arm_emit_tls_decoration)
2273 (arm_output_addr_const_extra): New functions.
2274 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
2275 (TARGET_HAVE_TLS): Define.
2276 (target_thread_pointer): New.
2277 (arm_override_options): Handle -mtp=.
2278 (legitimize_pic_address): Ignore UNSPECs.
2279 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
2281 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
2282 (tls_get_addr_libfunc): New variable.
2283 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
2284 (arm_init_builtins): Call arm_init_tls_builtins.
2285 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
2286 (arm_encode_section_info): Call default_encode_section_info.
2287 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
2288 (enum arm_tp_type): New.
2289 (target_thread_pointer): Add declaration.
2290 (LEGITIMATE_CONSTANT_P): Handle TLS.
2291 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
2292 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
2293 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
2294 * config/arm/arm.md: Add UNSPEC_TLS.
2295 (movsi): Handle TLS.
2296 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
2298 (tls_load_dot_plus_eight): New insn and a peephole to create it.
2299 (load_tp_hard, load_tp_soft): New insns.
2300 * arm.opt: Add -mtp=.
2301 * doc/invoke.texi (ARM Options): Document -mtp.
2303 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2305 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
2306 * config/arm/libunwind.S: Include "lib1funcs.asm".
2307 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
2308 (LIB2ADDEH): Add libunwind.S.
2309 (LIB2ADDEHDEP): Add lib1funcs.asm.
2310 * mklibgcc.in: Handle asm files in libgcc_eh.a.
2312 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2315 * gcc/c.opt: Add a -lang-fortran option.
2316 * gcc/c-opts.c: Add a lang_fortran flag.
2317 (c_common_init_options): Handling the -lang-fortran option.
2318 (c_common_handle_option): Add a case for Fortran options in
2319 preprocessing. Remove cases for -ffixed-form and
2320 -ffixed-line-length. Add a case for -lang-fortran.
2322 2005-11-03 David Edelsohn <edelsohn@gnu.org>
2324 * config/rs6000/rs6000.c: Include params.h
2325 (optimization_options): Set max-grow-copy-bb-insns default to 16.
2326 (bdesc_2arg): Delete vpkuhss and vpkuwss.
2327 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
2328 (UNSPEC_VPKUWSS): Delete.
2329 (altivec_vpkuhss): Delete.
2330 (altivec_vpkuwss): Delete.
2331 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
2333 (neg_eq0<mode>): Remove final condition.
2334 (neg_eq<mode>): Remove condition and split-condition.
2336 2005-11-04 Alan Modra <amodra@bigpond.net.au>
2338 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
2339 Use associated print macros.
2341 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
2344 * diagnostic.c (diagnostic_set_info_translated): New function.
2345 (diagnostic_set_info): Use it. Add comment.
2346 * diagnostic.h (diagnostic_set_info_translated): Declare.
2348 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
2350 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
2351 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
2352 reference only if 'public' is true.
2353 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
2354 emit the .hidden directive only if the indirect reference is public.
2355 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
2356 Pass it to dw2_force_const_mem.
2357 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
2358 * dwarf2out.c (output_cfi): Adjust calls to above function.
2359 (output_call_frame_info): Likewise.
2360 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
2361 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
2363 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
2365 PR tree-optimization/24483
2366 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
2367 field to elts if possible.
2369 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
2372 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
2375 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
2377 Fix PR tree-optimization/24351
2379 * tree-ssa-structalias.c (struct variable_info): Add
2381 (get_varinfo_fc): New function to follow collapsing.
2382 (new_var_info): Set collapsed_to to NULL.
2383 (dump_constraint): Follow collapsing.
2384 (build_constraint_graph): Handle collapsing.
2385 (do_simple_structure_copy): Return false if something bad
2387 (collapse_rest_of_var): New function.
2388 (do_structure_copy): Collapse if do_simple_structure_copy returns
2391 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
2394 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
2395 expressions to a statement list instead of gimplifying them.
2397 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2399 PR rtl-optimization/23585
2400 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
2401 that can't trap plus a constant integer, if the mode has zero size.
2403 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
2406 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
2408 ("*insv<mode>_reg_extimm"): Likewise.
2410 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
2413 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
2414 c_common_type_for_mode returns an unnamed type.
2416 2005-11-02 Richard Henderson <rth@redhat.com>
2420 * dwarf2out.c (dwarf2out_reg_save_reg): New.
2421 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
2422 * function.c (assign_parms): Use calls.internal_arg_pointer.
2423 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
2425 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
2426 (TARGET_CALLS): Add it.
2427 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
2428 * targhooks.c (default_internal_arg_pointer): New.
2429 * targhooks.h (default_internal_arg_pointer): Declare.
2430 * tree.h (dwarf2out_reg_save_reg): Declare.
2431 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
2432 * config/i386/i386.c (dbx_register_map): Add return column.
2433 (dbx64_register_map, svr4_dbx_register_map): Likewise.
2434 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
2435 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
2436 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
2437 (ix86_save_reg): Save force_align_arg_pointer.
2438 (ix86_emit_save_regs): Make regno unsigned.
2439 (ix86_emit_save_regs_using_mov): Likewise.
2440 (ix86_expand_prologue): Handle force_align_arg_pointer.
2441 (ix86_expand_epilogue): Likewise.
2442 * config/i386/i386.h: (dbx_register_map): Update.
2443 (dbx64_register_map, svr4_dbx_register_map): Update.
2444 (struct machine_function): Add force_align_arg_pointer.
2445 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
2446 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
2447 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
2449 2005-11-02 Jan Hubicka <jh@suse.cz>
2452 * i386.md: Add peep2 for simplyfing array accesses.
2454 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
2457 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
2458 * config/s390/s390.c (s390_decompose_shift_count): New function.
2459 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
2460 (print_shift_count_operand): Use s390_decompose_shift_count.
2461 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
2462 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
2464 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
2467 * loop.c (loop_givs_rescan): Use force_operand to expand
2470 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
2473 * fold-const.c (build_range_check): Use unsigned when signed
2474 overflow is undefined also. If etype is subtype, make sure that
2475 the subtraction is in the supertype.
2477 2005-11-02 Richard Henderson <rth@redhat.com>
2480 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
2483 2005-11-01 Richard Henderson <rth@redhat.com>
2486 * loop.c (scan_loop): Do not propagate computations to a hard
2487 register destination with SMALL_REGISTER_CLASSES.
2489 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
2491 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
2492 costs for MULT inside PLUS or MINUS.
2494 2005-11-01 Bob Wilson <bob.wilson@acm.org>
2496 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
2497 (TRAMPOLINE_SIZE): Round up to 60.
2498 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
2500 2005-10-31 James E. Wilson <wilson@specifix.com>
2503 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
2504 ifdef. Put ifdefs around call in gen_subprogram_die.
2505 (compute_frame_pointer_to_cfa_displacement): Likewise.
2506 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
2509 PR rtl-optimization/17356
2510 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
2511 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
2513 2005-10-31 Jan Hubicka <jh@suse.cz>
2516 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
2519 * i386.c (legitimize_pic_address): Deal with large immediates.
2522 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
2523 from symbol names while computing checkup.
2526 * predict.c (predict_loops): Do not estimate more than
2527 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
2528 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
2530 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
2532 PR tree-optimization/19097
2533 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
2535 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
2537 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
2539 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
2542 * tree-inline.c (setup_one_parameter): If the init_stmt
2543 is NULL, don't insert the statement.
2545 2005-10-30 Jan Hubicka <jh@suse.cz>
2547 PR tree-optimization/24172
2548 * tree-inline.c (copy_body_r): Unshare the substituted value first.
2550 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
2552 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
2553 constants for hosts with long != 32 bits.
2555 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
2558 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
2560 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
2562 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
2563 (TARGET_MS1_16_002): New.
2564 (TARGET_MS1_16_003): New.
2566 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
2567 ("*decrement_and_branch_until_zero_no_clobber"): New.
2568 Add corresponding splitter for decrement_and_branch_until_zero
2570 Key all decrement_and_branch_until_zero patterns off of
2573 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
2576 * tree-complex.c (extract_component): Treat RESULT_DECL
2577 like the rest of the decls.
2579 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
2581 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
2582 indirect call to _mcount if the function needs a static chain.
2584 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
2585 Caroline Tice <ctice@apple.com>
2587 PR rtl-optimization/24460
2588 * dwarf2out.c (have_switched_text_sections): New boolean variable.
2589 (dwarf2out_switch_text_section): Set it to true instead of
2590 incrementing separate_line_info_table_in_use.
2591 (output_loc_list): Additionally test have_switched_text_sections.
2592 (output_ranges): Likewise.
2593 (dwarf2out_finish): Likewise.
2594 * varasm.c (assemble_start_function): Do not call
2595 insert_section_boundary_note.
2596 (assemble_end_function): If flag_reorder_blocks_and_partition,
2597 switch to the function's section before emitting the .size directive.
2598 * bb-reorder.c (insert_section_boundary_note): Staticify.
2599 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
2600 * output.h (insert_section_boundary_note): Delete.
2602 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
2605 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
2606 instead of pointer equality when comparing types.
2608 2005-10-24 James E. Wilson <wilson@specifix.com>
2610 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
2611 add_dependence_list_and_free calls.
2613 2005-10-24 Steven Bosscher <stevenb@suse.de>
2615 * contrib.texi: Add the names of the LLNL folks who donated
2616 Cray pointer support for gfortran.
2618 2005-10-24 Steven Bosscher <stevenb@suse.de>
2620 PR tree-optimization/24225
2621 * profile.c (branch_prob): Look from end to start through a
2622 basic block when looking for a locus.
2624 2005-10-24 Richard Henderson <rth@redhat.com>
2626 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
2628 (hppa_expand_prologue): Likewise.
2630 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2632 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
2633 (NO_DEFERRED_PROFILE_COUNTERS): Define.
2634 * pa.h (NO_PROFILE_COUNTERS): Define.
2635 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
2636 (funcdef_nos): New vector to hold label numbers of deferred profile
2638 (output_deferred_profile_counters): New function.
2639 (hppa_profile_hook): Push label number onto funcdef_nos.
2640 (pa_hpux_file_end): Call output_deferred_profile_counters if
2641 NO_DEFERRED_PROFILE_COUNTERS is false.
2643 * pa-protos.h (get_deferred_plabel): New prototype.
2644 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
2646 (output_call): Adjust calls.
2648 2005-10-24 Alan Modra <amodra@bigpond.net.au>
2650 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
2651 peculiarity of GOT/TOC section usage.
2653 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
2656 * c-common.c (constant_string_class_name): Add documentation.
2658 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
2661 * recog.c (peephole2_optimize): Increment peep2_current_count
2662 only when the slot is empty.
2664 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2667 * except.c (output_function_exception_table): Call
2668 assemble_external_libcall if we need a personality function.
2670 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2672 PR rtl-optimization/24460
2673 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
2674 set the basic block for barriers.
2676 2005-10-21 Janis Johnson <janis187@us.ibm.com>
2678 * var-tracking.c (vt_initialize): Initialize post.
2680 2005-10-21 Devang Patel <dpatel@apple.com>
2683 * c-common.c (vector_types_convertible_p): Check vector element type.
2685 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
2687 * config/sh/sh.c (prepare_move_operands): Handle the address
2688 constant which is a tls symbolic address plus a constant.
2690 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
2693 * gcc.c (main): Use the correct counter for erroring out
2694 about mulitple files.
2696 2005-10-21 Alan Modra <amodra@bigpond.net.au>
2699 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
2700 use r2 for 64-bit tls .got access.
2702 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
2704 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
2707 2005-10-20 Steven Bosscher <stevenb@suse.de>
2709 PR tree-optimization/24307
2710 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
2712 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
2715 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
2717 * varasm.c (find_decl_and_mark_needed): After cgraph global info
2718 is ready, stop marking functions, but still mark variables.
2720 2005-10-20 Richard Guenther <rguenther@suse.de>
2723 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
2726 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
2728 PR rtl-optimization/23585
2729 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
2730 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
2731 (may_trap_p_1): New predicate extracted from...
2732 (may_trap_p): ... here. Invoke may_trap_p_1.
2733 (may_trap_or_fault_p): New predicate.
2734 * rtl.h (may_trap_or_fault_p): Declare it.
2735 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
2736 instead of may_trap_p.
2737 (steal_delay_list_from_fallthrough): Likewise.
2738 (fill_simple_delay_slots): Likewise.
2739 (fill_slots_from_thread): Likewise.
2740 * function.c (pad_to_arg_alignment): Rework comment about
2741 SPARC_STACK_BOUNDARY_HACK.
2742 * config/sparc/sparc.h: Likewise.
2744 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
2746 * config/s390/s390.c (s390_expand_insv): New.
2747 * config/s390/s390-protos.h (s390_expand_insv): Declare.
2748 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
2749 ("icm_hi"): Remove mode attribute.
2750 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
2752 ("*extracthi", "*extractqi"): Remove.
2753 (extv<mode>", "*extzv<mode>"): New.
2754 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
2755 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
2757 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2759 * cfgexpand.c (discover_nonconstant_array_refs_r,
2760 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
2761 (tree_expand_cfg): Call discover_nonconstant_array_refs.
2762 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2763 discover_nonconstant_array_refs.
2765 2005-10-19 Steven Bosscher <stevenb@suse.de>
2768 * c-decl.c (pop_scope): Don't warn about an unused variable
2769 if it is marked with TREE_NO_WARNING.
2770 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
2771 somenow mismatch and olddecl is to be replaced.
2773 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
2776 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
2777 whether registers live on the edge can be saved/restored.
2779 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
2781 * config/sh/sh.c (fixup_mova): Skip notes.
2783 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2785 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
2786 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
2787 (s390_can_eliminate): Handle BASE_REGNUM elimination.
2788 (s390_initial_elimination_offset): Likewise.
2789 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
2790 register on TARGET_ZARCH targets.
2791 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
2792 (INITIAL_FRAME_POINTER_OFFSET): Remove.
2793 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
2794 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
2796 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2798 * config/s390/s390.md: Comment describing output modifiers updated.
2799 * config/s390/s390.c (print_operand): Likewise.
2801 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2803 * config/s390/s390.c (override_options): Added check for -mstack-size
2805 * doc/invoke.texi: Mention that limit in the documenation.
2807 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
2810 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
2812 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
2814 Fix PR tree-optimization/24231
2816 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
2817 (compute_avail): Ditto.
2819 2005-10-18 Richard Henderson <rth@redhat.com>
2822 * config/i386/i386.c (legitimate_constant_p): Check
2823 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
2825 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
2826 (legitimate_pic_address_disp_p): Reorg CONST checking to make
2827 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
2829 (print_operand_address): Likewise.
2830 * config/i386/predicates.md (x86_64_immediate_operand): Test
2831 SYMBOL_REF_TLS_MODEL properly inside CONST.
2832 (x86_64_zext_immediate_operand): Likewise.
2833 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
2834 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
2835 * config/i386/i386-protos.h: Remove predicates.md entries.
2837 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
2839 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2840 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
2842 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
2843 Ian Lance Taylor <ian@airs.com>
2846 * fold-const.c (fold_widened_comparison): Do not allow range based
2847 constant folding when right operand cannot be unwidened.
2849 2005-10-17 Richard Henderson <rth@redhat.com>
2851 * builtins.c (expand_builtin_synchronize): Build a new-style asm
2852 with a memory clobber.
2854 2005-10-17 James E Wilson <wilson@specifix.com>
2856 PR rtl-optimization/17356
2857 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
2858 checking for EDGE_EH.
2860 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
2862 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
2863 the slot on an even boundary for any type with 16-byte alignment.
2865 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
2868 * md.texi (Modifiers) <%>: Clarify that % doesn't work
2869 after register allocation.
2871 2005-10-17 DJ Delorie <dj@redhat.com>
2873 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
2876 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
2879 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
2882 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
2884 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
2885 to 2 if it's already non-zero.
2886 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
2887 is set and warn about it if flag_schedule_insns is 1.
2889 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
2891 * config/crx/crx.md: Compare-and-branch instructions need to
2894 2005-10-17 Uros Bizjak <uros@kss-loka.si>
2897 * config/i386/i386.md (*pushdi2_rex64 splitter)
2898 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
2899 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
2900 flow2 pass only when (optimize > 0 && flag_peephole2).
2902 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
2905 * gcc.c (have_c): New static variable.
2907 (process_command): Remove declation of have_c.
2908 Set have_o to 1 when handling -o.
2909 (main): Add a fatel error if there are multiple
2910 files specified and -o and -c/-S is passed witout
2911 -combine or multiple languages.
2913 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
2915 Fix PR tree-optimization/22444
2916 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
2917 Assert that we don't hit something with subvars.
2918 (setup_pointers_and_addressables): Don't add things with subvars,
2919 because we'll already process the subvars for aliasing purposes.
2921 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
2924 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
2925 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
2926 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
2927 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
2928 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
2929 swapped, alternatives for the R constraint.
2932 * builtins.c (get_builtin_sync_mode): Make unlimited
2933 mode_for_size request.
2935 2005-10-15 Richard Henderson <rth@redhat.com>
2937 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
2938 (gimplify_expr): ... here.
2939 (gimplify_compound_lval): Use it in initial scan loop. Allow
2940 fb_lvalue in base expression.
2942 2005-10-15 Richard Henderson <rth@redhat.com>
2945 * builtins.c (expand_builtin_trap): Export.
2946 * expr.h (expand_builtin_trap): Declare.
2947 * expr.c (expand_assignment): Emit a trap for integral offsets
2948 from registers that weren't reduced to bitpos.
2950 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
2951 (mark_array_ref_addressable): Remove.
2952 * tree-flow.h (mark_array_ref_addressable): Remove.
2953 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
2955 2005-10-15 James E Wilson <wilson@specifix.com>
2958 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
2959 (add_dependence_list_and_free): Likewise.
2960 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
2963 2005-10-15 Diego Novillo <dnovillo@redhat.com>
2967 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
2968 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
2970 (vrp_visit_phi_node): Only prevent infinite iterations when
2971 the previous result and the new result are both VR_RANGEs.
2973 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
2975 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
2978 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2981 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
2984 2005-10-14 Per Bothner <per@bothner.com>
2986 PR preprocessor/21250
2987 * c-ppoutput.c (print_line): Print internal line 0 as 1.
2989 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
2992 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
2993 overflow flags. Refactor some conditionals.
2995 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
2998 * tree-dfa.c (add_referenced_var): Only look at decls which
2999 have TREE_CONSTANT or TREE_READONLY set instead of if
3000 !TREE_PUBLIC or !TREE_CONSTANT.
3002 2005-10-13 James E Wilson <wilson@specifix.com>
3004 * doc/invoke.texi: For -x, add f95-cpp-input.
3005 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
3007 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
3009 PR tree-optimization/24262
3010 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
3011 in loop all the time.
3013 2005-10-12 Richard Henderson <rth@redhat.com>
3016 * tree.h (DECL_TRANSPARENT_UNION): Remove.
3017 * function.c (assign_parm_find_data_types): Don't support it.
3018 * print-tree.c (print_node): Likewise.
3019 * c-common.c (handle_transparent_union_attribute): Likewise.
3020 Use build_duplicate_type.
3021 * tree-inline.c (remap_type_1): Split out of remap_type;
3022 properly remap aggregate fields.
3023 (build_duplicate_type): New.
3024 * doc/extend.texi (Variable Attributes): Remove documentation
3025 for transparent_union.
3027 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3030 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
3031 (gen_stack_pointer_dec): Likewise.
3033 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
3037 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
3039 (struct cxx): Add adjust_class_at_definition target hook.
3040 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
3041 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
3042 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
3043 hook_void_tree. Add to TARGET_CXX.
3044 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
3046 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
3047 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
3048 instead of attribute. Check for dllexport override. Warn if
3049 inconsistent dll linkage. Don't lose old dllimport if decl has
3050 had address referenced. Tweak lookup of dllimport atribute.
3051 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
3052 for target specific rules. Don't add dllimport attribute if
3053 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
3054 dllimport attribute.
3055 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
3056 * varasm.c (initializer_constant_valid_p): Replace
3057 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
3061 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
3062 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
3063 (i[34567]86-*-mingw32*): Likewise.
3065 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
3066 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
3068 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
3069 C++-specific code. Change return value to bool.
3070 (i386_pe_dllimport_p): Likewise.
3071 (associated_type): Simplify and make language-independent
3072 (i386_pe_encode_section_info): Replace override of ambiguous
3073 dllimport symbol refs with a gcc_assert.
3074 (i386_pe_valid_dllimport_attribute_p): Define.
3075 * config/i386/winnt-cxx.c: New file. Define C++ versions of
3076 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3077 i386_pe_adjust_class_at_definition.
3078 * config/i386/winnt-stubs.c: New file. Define stub versions of
3079 lang-specific functions.
3080 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
3081 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3082 i386_pe_adjust_class_at_definition.
3083 (i386_pe_valid_dllimport_attribute_p): Declare.
3084 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
3085 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
3086 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
3089 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
3090 dllimport attribute with test of DECL_DLLIMPORT_P.
3092 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
3094 * combine.c (make_extraction): Correct offset computation.
3096 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
3098 * config/cris/t-linux (LIMITS_H_TEST): Define.
3100 2005-10-12 Richard Henderson <rth@redhat.com>
3103 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
3105 2005-10-12 Richard Guenther <rguenther@suse.de>
3107 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
3109 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
3112 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
3113 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
3116 2005-10-12 Richard Guenther <rguenther@suse.de>
3119 * varasm.c (output_constant): Correct typo from previous
3122 2005-10-11 Ian Lance Taylor <ian@airs.com>
3124 PR rtl-optimization/13931
3125 * combine.c: Revert patch of 2003-05-14, and:
3126 (try_combine): Only set elim_i1 and elim_i2 if the destination is
3127 completely killed in the appropriate insn.
3128 (distribute_notes): Don't skip multiple hard register test for
3129 elim_i1 and elim_i2.
3131 2005-10-11 Richard Henderson <rth@redhat.com>
3134 * c-typeck.c (convert_for_assignment): Use build_constructor_single
3135 to initialize a transparent union instead of a nop_expr.
3137 2005-10-11 Richard Henderson <rth@redhat.com>
3139 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
3140 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
3141 (tree_ssa_dce_loop): Call scev_reset.
3144 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
3145 * tree-ssa-dce.c: Include cfgloop.h.
3146 (tree_ssa_dce_loop, pass_dce_loop): New.
3147 * tree-pass.h (pass_dce_loop): Declare it.
3148 * passes.c (init_optimization_passes): Use it.
3150 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3153 * convert.c (convert_to_real): Revert 2005-10-05 patch.
3154 Only apply the optimization for rounding builtins if the inner
3155 cast is also an extension.
3157 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
3160 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
3161 mark_new_vars_to_rename instead of update_stmt.
3163 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
3165 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
3167 2005-10-11 Jakub Jelinek <jakub@redhat.com>
3169 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
3170 for setting MMX register to 0 rather than mmx.
3172 2005-10-10 Steve Ellcey <sje@cup.hp.com>
3175 * configure.ac: Move gas check from mips specific case to common case.
3176 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
3177 * configure: Regenerate
3178 * doc/install.texi: Update.
3180 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3183 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
3185 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
3187 * gcc.c (do_spec_1): Accept numeric characters in file name
3190 2005-10-10 Nick Clifton <nickc@redhat.com>
3192 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
3193 describing the deleted arm_gen_rotated_half_load function.
3195 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
3197 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
3200 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
3202 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
3204 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
3205 (EXTRA_MULTILIB_PARTS): Define.
3206 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3207 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3208 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
3209 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3210 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3211 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
3213 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
3215 PR tree-optimization/24226
3216 * tree-cfg.c (remove_bb): Clean up unreachable loops.
3217 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
3218 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
3221 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3223 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
3225 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
3228 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
3229 Rewrite for no need for the early clobber.
3231 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
3233 Merge from csl-arm-branch:
3234 2005-09-07 Paul Brook <paul@codesourcery.com>
3235 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
3238 2005-04-30 Paul Brook <paul@codesourcery.com>
3239 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
3240 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
3242 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
3243 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
3244 (arm_override_options): Use TARGET_AAPCS_BASED.
3245 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
3246 (PTRDIFF_TYPE): Use int for AAPCS.
3247 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
3248 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
3249 (DEFAULT_SHORT_ENUMS): Delete.
3250 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
3252 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
3253 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
3254 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
3255 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
3257 2004-12-03 Mark Mitchell <mark@codesourcery.com>
3258 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
3260 2004-11-22 Mark Mitchell <mark@codesourcery.com>
3261 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
3263 2004-11-19 Mark Mitchell <mark@codesourcery.com>
3264 * config.gcc (arm*-*-linux-gnueabi): Add it.
3265 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
3267 (TARGET_OS_CPP_BUILTINS): Likeiwse.
3268 * config/arm/linux-eabi.h: New file.
3269 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
3270 (LINUX_TARET_LINK_SPEC): Likewise.
3271 (LINK_SPEC): Use it.
3272 * config/arm/t-linux-eabi: New file.
3274 2005-10-08 Steven Bosscher <stevenb@suse.de>
3277 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
3279 (PARAM_SMS_DFA_HISTORY): Likewise.
3281 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
3284 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
3285 (load_register_parameters): Call it.
3286 (check_sibcall_argument_overlap_1): Likewise.
3287 (store_one_arg): Likewise.
3289 2005-10-07 James E. Wilson <wilson@specifix.com>
3291 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
3292 DImode not VECINT24 for operand 2.
3295 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
3299 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
3300 fr_spill): Use destination_operand for operand 0.
3302 2005-10-07 DJ Delorie <dj@redhat.com>
3304 * varasm.c (output_constant): Limit error to expanding
3307 2005-10-07 Richard Guenther <rguenther@suse.de>
3310 * fold-const.c (fold_binary): Fix operand types during folding
3311 of X op (A, Y). Evaluation order of the side-effects of
3312 X and A are frontend-defined, so ensure we honour that even for
3313 tcc_comparison class operands; eased by removing duplicate code.
3315 2005-10-07 Steve Ellcey <sje@cup.hp.com>
3317 * stor-layout.c (layout_type): Do not allow alignment of array
3318 elements to be greater than their size.
3320 2005-10-07 Steve Ellcey <sje@cup.hp.com>
3322 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
3324 (hppa*-*-linux*): Ditto.
3325 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
3326 * config/host-hpux.c: New.
3327 * config/x-hpux: New.
3328 * config/pa/x-hpux: Remove.
3329 * config/pa/x-linux: Remove.
3330 * config/pa/pa-host.c: Remove.
3332 2005-10-07 Jeff Law <law@redhat.com>
3334 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
3335 determine whether or not to try and thread outgoing edges.
3337 2005-10-07 David Edelsohn <edelsohn@gnu.org>
3339 * config/rs6000/rs6000.md (eqsi_power): New.
3340 (neg_eq0si): Add TARGET_POWER to final condition.
3343 2005-10-06 Richard Henderson <rth@redhat.com>
3345 * config/rs6000/rs6000.c: Revert last change.
3347 2005-10-06 Richard Henderson <rth@redhat.com>
3349 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
3350 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
3352 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
3356 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
3357 out return_label and naked_return_label.
3359 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
3361 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
3364 2005-10-06 Richard Henderson <rth@redhat.com>
3367 * tree-inline.c (declare_return_variable): Handle modify_dest not
3370 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
3372 Fix PR tree-optimization/22488
3373 * tree-ssa-structalias.c (check_for_overlaps): New function.
3374 (create_variable_info_for): Use it.
3376 2005-10-06 Richard Henderson <rth@redhat.com>
3379 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
3380 (dwarf2out_start_source_file): Print it.
3382 2005-10-06 Geoffrey Keating <geoffk@apple.com>
3384 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
3386 2005-10-06 Richard Henderson <rth@redhat.com>
3389 * mode-switching.c (optimize_mode_switching): Clear transp bit
3390 for block with incomming abnormal edges.
3392 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
3393 (fpscr_set_from_mem): Use them.
3394 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
3395 (fpscr postinc splitters): Rewrite as peephole2+split.
3397 2005-10-06 David Edelsohn <edelsohn@gnu.org>
3399 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
3400 (eq<mode>_compare): Same.
3402 2005-10-06 Richard Guenther <rguenther@suse.de>
3404 PR tree-optimization/24238
3405 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
3407 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
3409 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
3410 here. Use AC_PATH_PROG for environment variables instead of
3412 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
3414 * configure: Regenerated.
3416 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
3419 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
3420 then force it into a register.
3421 (call_value): Likewise.
3423 2005-10-06 Richard Henderson <rth@redhat.com>
3426 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
3427 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
3428 under pass_vectorize.
3430 2005-10-05 Devang Patel <dpatel@apple.com>
3433 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
3434 handling constants. Check NAMESPACE_DECL context for constants.
3436 2005-10-05 Eric Christopher <echristo@apple.com>
3438 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
3440 2005-10-05 Richard Henderson <rth@redhat.com>
3443 * tree-cfg.c (mark_array_ref_addressable_1): New.
3444 (mark_array_ref_addressable): New.
3445 * tree-flow.h (mark_array_ref_addressable): Declare.
3446 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
3448 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
3452 * reload.c (subst_reloads): When adding a REG_LABEL to a
3453 jump instruction, also update JUMP_LABEL.
3455 2005-10-05 David Edelsohn <edelsohn@gnu.org>
3457 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
3458 * bb-reorder.c (copy_bb_p): Use it.
3459 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
3461 2005-10-05 Richard Henderson <rth@redhat.com>
3464 * toplev.c (process_options): Warn about unsupported combinations
3465 of unwind tables and omit-frame-pointer.
3466 * config/i386/i386.c (override_options): Similarly. Enable
3467 accumulate-outgoing-args if not explicitly disabled.
3469 2005-10-05 Steve Ellcey <sje@cup.hp.com>
3471 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
3472 Handle big endian vs. small endian.
3473 (vec_initv2sf): Handle big endian vs. small endian.
3474 (*vec_extractv2sf_1): Ditto.
3476 2005-10-05 Dale Johannesen <dalej@apple.com>
3478 * convert.c (convert_to_real): Don't convert
3479 (float)floor(double d) to floorf((float)d).
3481 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
3483 * config/arm/arm.md (insv): Use gen_int_mode in more places.
3485 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
3487 PR tree-optimization/18587
3488 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
3489 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
3490 build_vuses): Change to VEC type.
3491 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
3492 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
3493 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
3494 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
3495 (get_name_decl): New. Return DECL_UID of base variable.
3496 (operand_build_cmp): New. qsort comparison routine.
3497 (operand_build_sort_virtual): New. Sort virtual build vector.
3498 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
3499 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
3500 (FINALIZE_BASE): Use get_name_decl.
3501 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
3502 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
3503 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
3504 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
3505 direct VEC_* manipulations.
3506 (build_ssa_operands): Call operand_build_sort_virtual.
3507 (copy_virtual_operand, create_ssa_artficial_load_stmt,
3508 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
3509 with direct VEC_* manipulations.
3510 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
3511 with direct VEC manipulations.
3513 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
3515 PR tree-optimization/21419
3516 PR tree-optimization/24146
3517 PR tree-optimization/24151
3519 * c-typeck.c (readonly_error): Handle USE being lv_asm.
3520 (build_asm_expr): Call it if outputs are read-only.
3521 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
3523 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
3524 Paolo Bonzini <bonzini@gnu.org>
3528 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
3529 enable the instructions and not just the built-ins.
3530 * doc/invoke.texi (x86 Options): Likewise.
3532 2005-10-04 Geoffrey Keating <geoffk@apple.com>
3534 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
3536 * doc/invoke.texi (Option Summary): Correct spelling
3537 of -mmacosx-version-min.
3539 2005-10-04 Devang Patel <dpatel@apple.com>
3541 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
3544 2005-10-04 Steve Ellcey <sje@cup.hp.com>
3546 * tree-vect-transform.c (vect_create_epilog_for_reduction):
3547 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
3549 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
3551 * config/s390/s390.md ("TDSI","DP"): New mode macros.
3552 ("TE","tg"): New mode attributes.
3553 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
3554 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
3555 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
3556 dword_mode and one for GPRmode.
3558 2005-10-04 Ian Lance Taylor <ian@airs.com>
3560 PR preprocessor/13726
3561 * c-ppoutput.c (cb_include): Add comments parameter, and print out
3562 any comments passed in.
3564 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3566 * tree.c (annotate_with_file_line): Fix typo.
3568 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3571 * builtins.c (fold_builtin_memcmp): When constructing the pointer
3572 type used to access data in the inlined length == 1 case, use
3573 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
3574 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
3576 2005-10-04 Uros Bizjak <uros@kss-loka.si>
3578 * config/i386/i386.h (TARGET_FISTTP): Enable also for
3579 TARGET_SSE3 and only for TARGET_80387.
3580 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
3581 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
3582 Do not depend on TARGET_80387.
3584 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3586 * tree.c (last_annotated_node): Change type to location_t*.
3587 (annotate_with_file_line): Reflect the change of
3588 last_annotated_node type.
3590 2005-10-04 Richard Guenther <rguenther@suse.de>
3593 * c-decl.c (grokdeclarator): Don't write to fields
3596 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3599 * c-decl.c (finish_decl): Use set_user_assembler_name even for
3601 * varasm.c (make_decl_rtl): If a register variable does not
3602 have a set user assmbler name, error out.
3603 Decode the asmspec is now name+1 bypassing '*'.
3605 2005-10-04 Steven Bosscher <stevenb@suse.de>
3607 PR tree-optimization/23049
3608 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
3609 of a COND_EXPR is folded before calling fold on the whole rhs of a
3610 conditional assignment.
3611 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
3612 document that a COND_EXPR may appear there.
3614 2005-10-03 Diego Novillo <dnovillo@redhat.com>
3617 * tree-vrp.c (extract_range_from_assert): If the new numeric
3618 range created out of the assertion contradicts the existing
3619 numeric range of the ASSERT_EXPR variable, make the new range
3622 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
3624 * config/sh/sh.c (sh_register_move_cost): Add case for moving
3625 from T_REGS to FP register class.
3627 2005-10-03 Richard Henderson <rth@redhat.com>
3630 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
3631 before creating a new one.
3633 2005-10-03 David Edelsohn <edelsohn@gnu.org>
3635 * config/rs6000/t-aix43 (LDFLAGS): New.
3636 * config/rs6000/t-aix52 (LDFLAGS): New.
3638 2005-10-03 Ian Lance Taylor <ian@airs.com>
3640 * gimplify.c (find_single_pointer_decl_1): New static function.
3641 (find_single_pointer_decl): New static function.
3642 (internal_get_tmp_var): For a formal variable, set restrict base
3643 information if appropriate.
3644 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
3646 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
3647 (DECL_GET_RESTRICT_BASE): Define.
3648 (SET_DECL_RESTRICT_BASE): Define.
3649 (decl_restrict_base_lookup): Declare.
3650 (decl_restrict_base_insert): Declare.
3651 (struct tree_decl_with_vis): Add based_on_restrict_p field.
3652 * tree.c (restrict_base_for_decl): New static variable.
3653 (init_ttree): Initialize restrict_base_for_decl.
3654 (copy_node_stat): Copy restrict base information.
3655 (decl_restrict_base_lookup): New function.
3656 (decl_restrict_base_insert): New function.
3657 (print_restrict_base_statistics): New static function.
3658 (dump_tree_statistics): Call print_restrict_base_statistics.
3660 2005-10-02 Diego Novillo <dnovillo@redhat.com>
3663 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
3664 case of anti-ranges.
3666 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
3669 * c-typeck.c (tagged_tu_seen): Rename to ...
3670 (tagged_tu_seen_cache): this and add val field.
3671 (comptypes): Move functional to comptypes_internal
3672 and free tagged_tu_seen.
3673 (comptypes_internal): New function and call comptypes_internal
3674 instead of comptypes. Speed up by sibcalling
3675 tagged_types_tu_compatible_p.
3676 (alloc_tagged_tu_seen): New function
3677 (free_all_tagged_tu_seen_up_to): New function.
3678 (tagged_types_tu_compatible_p): Return the val of the seen two
3680 Add that the two types are the same to tagged_tu_seen_base
3681 if they are and call comptypes_internal instead of comptypes.
3682 <case UNION_TYPE>: Speed up common type where the fields are
3684 (function_types_compatible_p): Call comptypes_internal instead of
3686 (type_lists_compatible_p): Likewise.
3687 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
3689 2005-10-02 Matthias Klose <doko@debian.org>
3691 * doc/invoke.texi: Fix typo and speling error.
3693 2005-10-01 Richard Henderson <rth@redhat.com>
3695 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
3697 2005-10-01 Mark Mitchell <mark@codesourcery.com>
3699 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
3700 using --start-group and --end-group.
3702 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3704 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
3705 FIXME note regarding quirky semantics.
3707 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3710 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
3711 non-null range as a last resort.
3713 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
3714 Diego Novillo <dnovillo@redhat.com>
3717 * tree-vrp.c (extract_range_from_assert): For !=
3718 assertions, only build an anti-range if LIMIT is a
3719 single-valued range.
3721 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
3723 * arm.md (movqi): On thumb when optimizing, handle loading from
3724 memory by describing this as taking a subreg of a zero-extended load
3725 into an SImode register.
3728 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
3730 * reload1.c (merge_assigned_reloads): Do not change any
3731 RELOAD_FOR_OUTPUT_ADDRESS reloads.
3733 2005-09-30 Geoffrey Keating <geoffk@apple.com>
3735 * Makefile.in (LIPO_FOR_TARGET): Define.
3736 (STRIP_FOR_TARGET): Define.
3738 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
3739 before creating new ones. Do symlinks before creating the actual
3742 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
3743 to work out which multilibs are actually being built.
3745 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
3747 * tree-vect-transform.c, config/ms1/ms1.md,
3748 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
3749 Follow spelling conventions.
3750 * doc/invoke.texi, doc/md.texi: Fix typos.
3752 2005-09-30 Andrew Macleod <amacleod@redat.com>
3754 PR tree-optimization/21430
3755 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
3756 use operands, and set stmt pointer if need be.
3757 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
3758 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
3761 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3764 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
3766 2005-09-29 Mark Mitchell <mark@codesourcery.com>
3768 * optabs.c (expand_binop): Initialize first_pass_p.
3770 2005-09-29 Jakub Jelinek <jakub@redhat.com>
3773 * c-decl.c (c_write_global_declarations_1): If any
3774 wrapup_global_declaration_2 call returned true, restart the loop.
3776 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
3778 Fix PR tree-optimization/24117
3779 * tree-ssa-structalias.c (find_func_aliases): Strip nops
3780 before considering whether to use anyoffset.
3782 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3786 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3788 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3790 (swap_commutative_operands_with_target): New.
3792 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3795 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
3798 2005-09-29 Steven Bosscher <stevenb@suse.de>
3800 PR tree-optimization/23911
3801 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
3802 and IMAGPART_EXPR too.
3804 2005-09-28 Mark Mitchell <mark@codesourcery.com>
3807 * expmed.c (expand_shift): Move logic to reverse rotation
3808 direction when rotating by constants ...
3809 * optabs.c (expand_binop): ... here.
3810 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
3811 (ix86_rotrdi3): New pattern.
3812 (rotldi3): Handle 32-bit mode.
3813 (ix86_rotldi3): New pattern.
3815 2005-09-29 Alan Modra <amodra@bigpond.net.au>
3818 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
3819 check for numbers that need no bit twiddle.
3821 2005-09-28 Geoffrey Keating <geoffk@apple.com>
3823 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
3824 multilib to be built.
3826 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
3827 (stage1-start): Delete old libgcc and libunwind before moving
3828 anything into the stage directory.
3829 (stage2-start): Likewise.
3830 (stage3-start): Likewise.
3831 (stage4-start): Likewise.
3832 (stageprofile-start): Likewise.
3833 (stagefeedback-start): Likewise.
3834 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
3835 header in tm_file and CPU-specific t-darwin in tmake_file.
3836 (i[34567]86-*-darwin*): Don't change tm_file.
3837 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
3838 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
3839 shared library stub for target OS version.
3840 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
3841 (SHLIB_LINK): Don't make SHLIB_SOLINK.
3842 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
3843 (libgcc_s.%.dylib): New.
3845 (install-darwin-libgcc-stubs): New.
3846 (INSTALL_LIBGCC): New append.
3847 * config/i386/darwin-libgcc.10.4.ver: New.
3848 * config/i386/darwin-libgcc.10.5.ver: New.
3849 * config/i386/t-darwin: New.
3850 * config/rs6000/darwin-libgcc.10.4.ver: New.
3851 * config/rs6000/darwin-libgcc.10.5.ver: New.
3852 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
3853 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
3855 2005-09-28 Paul Brook <paul@codesourcery.com>
3857 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
3860 2005-09-28 Richard Guenther <rguenther@suse.de>
3862 PR tree-optimization/23853
3863 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
3864 host_integerp to verify misalignment value.
3866 2005-09-28 Richard Henderson <rth@redhat.com>
3868 * builtins.c (get_builtin_sync_mode): New.
3869 (expand_builtin_sync_operation): Pass in mode argument.
3870 (expand_builtin_compare_and_swap): Likewise.
3871 (expand_builtin_lock_test_and_set): Likewise.
3872 (expand_builtin_lock_release): Likewise.
3873 (expand_builtin): Update to match.
3875 2005-09-28 Nick Clifton <nickc@redhat.com>
3877 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
3878 formatting. Add check to PLUS case to ensure that the offset is
3879 within an acceptable range.
3881 * config/v850/v850.md (casesi): Disable the generation of the
3882 switch pattern as it is not being handled properly at the moment.
3884 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
3885 for when the high words are identical.
3887 2005-09-27 Richard Henderson <rth@redhat.com>
3889 * pretty-print.c (pp_base_format): Fix typo for %>.
3891 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
3892 Devang Patel <dpatel@apple.com>
3894 PR tree-optimization/23625
3895 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
3896 LABEL_EXPR, assertion check.
3898 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
3900 * optabs.c (no_conflict_move_test): Check if a result of a
3901 to-be-moved insn would be clobbered by an originally
3904 2005-09-27 Jeff Law <law@redhat.com>
3906 * passes.c (init_optimization_passes): Replace copy propagation
3907 passes immediately after DOM with phi-only copy propagation
3908 pases. Add phi-only copy propagation pass after first DOM pass.
3909 * tree-pass.h (pass_phi_only_copy_prop): Declare.
3910 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
3911 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
3912 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
3913 to init_copy_prop. Callers updated.
3914 (do_phi_only_copy_prop): New function.
3915 (pass_phi_only_copy_prop): New pass descriptor.
3917 2005-09-27 Nick Clifton <nickc@redhat.com>
3919 * libgcc2.c (__popcount_tab): Remove redundant prototype.
3921 2005-09-26 Jason Merrill <jason@redhat.com>
3924 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
3926 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
3928 2005-09-26 James E Wilson <wilson@specifix.com>
3930 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
3931 copyright. Add gcc copyright plus libgcc exception.
3932 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
3934 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
3936 2005-09-26 Jeff Law <law@redhat.com>
3938 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
3939 about when to iterate.
3941 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
3944 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
3945 for __complex__ double in -mcpu=G5 mode.
3947 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
3949 PR tree-optimization/23942
3950 * Makefile.in (SCEV_H): Depends on PARAMS_H.
3951 * tree-scalar-evolution.c: Include params.h.
3953 (follow_ssa_edge, follow_ssa_edge_in_rhs,
3954 follow_ssa_edge_in_condition_phi_branch,
3955 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
3956 Change return type to t_bool. Use a parameter to limit the size of
3957 trees that are walked before stopping
3958 (analyze_evolution_in_loop): Initialize the limit to 0.
3959 (follow_ssa_edge): Give up by returning t_dont_know if the limit
3960 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3962 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3965 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
3966 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
3968 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
3970 * combine.c (make_extraction): Check for valid use of subreg.
3972 2005-09-26 Uros Bizjak <uros@kss-loka.si>
3975 * config/i386/i386.md ("*fistdi2_1"): New pattern.
3976 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
3977 ("fist<mode>2_with_temp"): Use only register operands.
3979 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
3981 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
3982 CALL_INSN_FUNCTION_USAGE.
3984 2005-09-26 Richard Guenther <rguenther@suse.de>
3987 * gcse.c: Include hashtab.h, define ldst entry hashtable.
3988 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
3989 (ldst_entry): Use the hashtable instead of list-walking.
3990 (find_rtx_in_ldst): Likewise.
3991 (free_ldst_entry): Free the hashtable.
3992 (compute_ld_motion_mems): Create the hashtable.
3993 (trim_ld_motion_mems): Remove entry from hashtable if
3994 removing it from list.
3995 (compute_store_table): Likewise^2.
3996 (store_motion): Free hashtable in case we did not see
3999 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
4001 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
4002 and arg1 if we are passing them to fold_build2.
4004 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
4007 * config/i386/i386.c (ix86_function_regparm): Fix the test for
4010 2005-09-25 Richard Henderson <rth@redhat.com>
4012 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
4013 SYMBOL_REF_TLS_MODEL to be correct.
4015 2005-09-24 Richard Henderson <rth@redhat.com>
4017 * ipa-type-escape.c (discover_unique_type): Remove dead code at
4018 end of function. Reindent.
4020 2005-09-24 Ian Lance Taylor <ian@airs.com>
4022 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
4023 NEGATE_EXPR/BIT_NOT_EXPR case.
4025 2005-09-24 Richard Henderson <rth@redhat.com>
4027 * c-common.c (handle_mode_attribute): When not modifying in place,
4028 create subtypes for enumerations.
4029 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
4030 * gimplify.c (create_tmp_from_val): Likewise.
4032 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
4034 * config/i386/i386.md (*tls_global_dynamic_64,
4035 *tls_local_dynamic_base_64): Add missing mode to call.
4036 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
4038 2005-09-24 Jan Hubicka <jh@suse.cz>
4040 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
4041 (cgraph_clone_node): Likewise.
4042 * cgraph.h (cgraph_clone_edge): Update prototype.
4043 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
4044 duplicated prototypes; add updating argument.
4045 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
4046 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
4048 (cgraph_mark_inline_edge): Likewise.
4049 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
4050 (cgraph_flatten_node): Likewise.
4051 (cgraph_decide_recursive_inlining): Likewise.
4052 (cgraph_decide_inlining_of_small_function): Likewise.
4053 * tree-optimize.c (tree_rest_of_compilation): Likewise.
4055 2005-09-23 David Edelsohn <edelsohn@gnu.org>
4056 Pete Steinmetz <steinmtz@us.ibm.com>
4058 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
4059 (rldic.): Set type to "compare".
4061 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
4062 mfjmpr for MFCTR/MFLR.
4063 (movdf_hardfloat64): Same.
4064 (movdf_softfloat64): Same. Correct order of store and move types.
4065 (movti_string): Set type to store_ux/load_ux.
4066 (load_multiple): Set type to load_ux.
4067 (store_multiple): Set type to store_ux.
4068 (movmemsi): Set type to store_ux.
4069 (output_cbranch direct_return): Set type to jmpreg.
4070 (stmw): Set type to store_ux.
4071 (lmw): Set type to load_ux.
4072 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
4073 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
4074 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
4075 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
4076 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
4077 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
4078 (rios1-fpstore): Increase latency to 3.
4079 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
4080 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
4082 2005-09-23 David Edelsohn <edelsohn@gnu.org>
4083 Andrew Pinski <pinskia@physics.uc.edu>
4085 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
4086 operand2 constraint to "b".
4087 (sync_<fetchop_name>di_internal): Same.
4088 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
4090 (sync_old_<fetchop_name>di_internal): Same.
4091 (sync_new_<fetchop_name>si_internal): Same.
4092 (sync_new_<fetchop_name>di_internal): Same.
4094 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
4097 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
4098 case, define as macros.
4100 PR rtl-optimization/23837
4101 * optabs.c (no_conflict_move_test): Don't set must_stay for a
4102 clobber / clobber match between dest and p->first.
4104 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
4105 (no_conflict_move_test): Update comments.
4107 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4109 * doc/install.texi: Update URL for Jacks.
4110 * doc/sourcebuild.texi: Likewise.
4112 2005-09-22 David Edelsohn <edelsohn@gnu.org>
4115 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
4116 registers when choosing register preferences.
4117 (movdf_hardfloat64): Same.
4119 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
4121 * expmed.c (expand_shift): Don't use the target of the rotate as
4122 target for the first expanded shift insn.
4123 * testsuite/gcc.dg/20050922-1.c: Testcase added.
4125 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
4127 PR tree-optimization/22438
4128 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
4129 preserved iv rhs rewriting specially.
4131 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
4133 * tree-data-ref.c (analyze_array_indexes): Only estimate when
4134 estimate_only is true.
4135 * tree-flow.h (ref_contains_indirect_ref): New prototype.
4136 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
4137 tree-ssa-structalias.c
4138 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
4139 ref_contains_indirect_ref.
4140 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
4142 2005-09-21 DJ Delorie <dj@redhat.com>
4144 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
4146 (mn10300_return_in_memory): Support variable size types also.
4147 (mn10300_pass_by_reference): Likewise.
4148 (mn10300_function_value): New.
4149 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
4150 (FUNCTION_OUTGOING_VALUE): Likewise.
4151 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
4152 * doc/invoke.texi: Document it.
4154 2005-09-21 Uros Bizjak <uros@kss-loka.si>
4157 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
4158 force integer op1 into register for XFmode compares.
4160 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4163 * expmed.c (alg_code): Add alg_impossible.
4164 (alg_hash_entry): Add cost.
4165 (synth_mult): Record alg_impossible in the hash table if
4166 multiplication by a given integer is impossble within the
4167 limit. Speed up using alg_impossible.
4169 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
4171 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
4172 argument. Allow and set any offset if needs_anyoffset is passed
4174 (get_constraint_for): Add argument here too.
4176 (do_structure_copy): Pass NULL to get_constraint_for.
4177 (handle_ptr_arith): Ditto.
4178 (find_func_aliases): Ditto.
4180 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
4182 PR rtl-optimization/23898
4183 * output.h (get_attr_min_length): Declare.
4184 * final.c (get_attr_length_1): New function, broken out of:
4186 (get_attr_min_length): New function.
4187 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
4188 (duplicate_computed_gotos): Likewise.
4189 * genattr.c (insn_min_length): Generate declaration.
4190 * genattrtab.c (min_fn, min_attr_value): New functions.
4191 (make_length_attrs): Generate insn_min_length.
4193 2005-09-20 Steve Ellcey <sje@cup.hp.com>
4195 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
4197 2005-09-20 Richard Henderson <rth@redhat.com>
4199 PR tree-optimization/24059
4200 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
4203 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
4205 * c.opt (fextended-identifiers): New.
4206 * c-opts.c (c_common_handle_option): Handle
4207 -fextended-identifiers.
4208 * doc/cpp.texi: Update documentation of extended identifiers.
4209 * doc/cppopts.texi (-fextended-identifiers): Document.
4211 2005-09-20 Jakub Jelinek <jakub@redhat.com>
4213 PR tree-optimization/23929
4214 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
4217 PR tree-optimization/23818
4218 * tree-stdarg.c (execute_optimize_stdarg): Call
4219 calculate_dominance_info.
4221 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
4223 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
4224 (analyze_siv_subscript_cst_affine): Add weak SIV test.
4225 (compute_overlap_steps_for_affine_1_2): Use
4226 get_number_of_iters_for_loop.
4227 (analyze_subscript_affine_affine): Check whether difference is
4229 Use get_number_of_iters_for_loop.
4230 Check whether overlap occurs outside of bounds.
4231 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
4233 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
4235 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
4236 base register if possible.
4238 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
4240 PR tree-optimization/18463
4241 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
4242 converting it directly is not possible.
4243 (chrec_convert_aggressive): New function.
4244 * tree-chrec.h (chrec_convert_aggressive): Declare.
4245 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
4246 Fold chrec conversions aggressively if asked to.
4247 (instantiate_parameters): Modified because of changes in
4248 instantiate_parameters_1.
4250 2005-09-19 Richard Henderson <rth@redhat.com>
4252 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
4253 (reduc_splus_v2df): New.
4255 2005-09-19 Richard Sandiford <richard@codesourcery.com>
4257 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
4258 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
4260 2005-09-19 Richard Henderson <rth@redhat.com>
4262 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
4265 2005-09-19 Richard Henderson <rth@redhat.com>
4267 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
4268 (ia64_expand_dot_prod_v8qi): New.
4269 * config/ia64/ia64-protos.h: Update.
4270 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
4271 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
4272 sdot_prodv8qi, sdot_prodv4hi): New.
4273 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
4275 2005-09-19 Richard Henderson <rth@redhat.com>
4278 * real.c (exact_real_truncate): Return false if the format cannot
4279 represent the number as a normal.
4281 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
4282 for a memory source.
4284 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
4286 * tree-ssa-operands.c (swap_tree_operands): Export.
4287 * tree.h (swap_tree_operands): Declare.
4288 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
4289 Call swap_tree_operands.
4291 2005-09-19 Richard Henderson <rth@redhat.com>
4293 * tree-flow.h (merge_alias_info): Declare.
4294 * tree-ssa-copy.c (merge_alias_info): Export.
4295 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
4296 (vect_create_data_ref_ptr): Use create_iv directly.
4297 (vectorizable_load): Use correct types for integer constants.
4298 (vect_generate_tmps_on_preheader): Likewise.
4299 (vect_gen_niters_for_prolog_loop): Likewise.
4301 2005-09-19 Steven Bosscher <stevenb@suse.de>
4303 PR rtl-optimization/23943
4304 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
4306 2005-09-18 Jan Hubicka <jh@suse.cz>
4308 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
4310 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
4312 * varasm.c (output_constant): Do not abort on conversions to union
4313 types between different sizes.
4315 2005-09-18 Richard Guenther <rguenther@suse.de>
4318 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
4321 2005-09-18 Paul Brook <paul@codesourcery.com>
4323 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
4325 2005-09-17 Richard Henderson <rth@redhat.com>
4327 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
4328 * tree-ssa-loop.c (pass_vect_dce): Remove.
4329 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
4332 2005-09-17 Richard Henderson <rth@redhat.com>
4334 * tree-pass.h (pass_vect_dce): Declare.
4335 * passes.c (init_optimization_passes): Add it.
4336 * tree-flow.h (tree_ssa_dce): Declare.
4337 * tree-ssa-dce.c (tree_ssa_dce): Export.
4338 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
4339 (gate_tree_vectorize): ... here.
4340 (pass_vect_dce): New.
4342 2005-09-17 Jan Hubicka <jh@suse.cz>
4344 * except.c (struct eh_status): Turn region_array into vec.
4345 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
4346 convert_from_eh_region_ranges, find_exception_handler_labels,
4347 current_function_has_exception_handlers, assign_filter_values,
4348 build_post_landing_pads, dw2_build_landing_pads,
4349 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
4350 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
4351 foreach_reachable_handler, can_throw_internal_1,
4352 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
4354 (duplicate_eh_region_1): Update region_array.
4355 (duplicate_eh_regions): Resize region_array and avoid recomputing.
4357 2005-09-17 David Edelsohn <edelsohn@gnu.org>
4360 * expmed.c (expand_mult): Substitute simple register for op0 when
4363 2005-09-17 Richard Henderson <rth@redhat.com>
4365 * expr.c (emit_move_via_integer): Add force argument, pass it on
4366 to emit_move_change_mode. Update callers.
4367 (emit_move_complex): Pass true to new force argument.
4368 * function.c (expand_function_end): Move expand_eh_return call
4369 earlier. Merge sub-word complex values into a pseudo before
4370 copying to the return hard register.
4372 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
4374 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
4375 between different sizes.
4377 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
4381 * passes.c (init_optimization_passes): Register dump files for
4384 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
4386 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
4387 * config/s390/s390.c (s390_overlap_p): New function.
4388 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
4389 peephole2, "*xc" peephole2): Added overlap check to the peephole2
4392 2005-09-16 Richard Guenther <rguenther@suse.de>
4394 * ipa-pure-const.c (static_execute): Free auxiliar information.
4395 * ipa-type-escape.c (discover_unique_type): Free temporary key.
4396 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
4398 2005-09-15 DJ Delorie <dj@redhat.com>
4400 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
4402 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
4404 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4406 (swap_commutative_operands_with_target): New.
4408 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
4410 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
4413 (estimate_iters_using_array): New function.
4414 * tree-data-ref.h (estimate_iters_using_array): Prototype
4415 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4416 Use estimate_iters_using_array instead of analyze_array.
4418 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
4420 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
4423 2005-09-15 Michael Matz <matz@suse.de>
4425 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
4427 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
4429 PR tree-optimization/23835
4430 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
4431 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
4433 2005-09-14 Richard Henderson <rth@redhat.com>
4435 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
4436 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
4438 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
4440 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
4441 in the ARRAY_TYPE case.
4443 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
4445 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
4447 2005-09-14 Uros Bizjak <uros@kss-loka.si>
4450 * tree-vect-transform.c (vectorizable_operation): Return false for
4451 scalar shift operations and for vector shift operations with
4452 non-invariant shift arguments. Use scalar tree operand op1 as
4453 a shift operand when vector shift insn pattern uses scalar shift
4455 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
4457 2005-09-14 Olivier Hainque <hainque@adacore.com>
4459 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
4460 value if it has side-effects.
4462 2005-09-14 David Edelsohn <edelsohn@gnu.org>
4465 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
4467 2005-09-14 Alan Modra <amodra@bigpond.net.au>
4469 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
4470 passed as NAME as if it were label at start of function code.
4472 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
4474 * config/sh/sh.md (*movv4sf_i): Add general register cases to
4477 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4479 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
4480 as early clobber. Rewrite so the PIC register is not implicitly used.
4482 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4484 * tree.c (annotate_with_file_line): Compare line numbers before
4487 2005-09-13 Uros Bizjak <uros@kss-loka.si>
4490 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
4491 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
4493 2005-09-13 Ian Lance Taylor <ian@airs.com>
4495 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
4496 than a HOST_WIDEST_INT to gen_doloop_begin.
4498 2005-09-13 Diego Novillo <dnovillo@redhat.com>
4500 * tree-dfa.c (dump_variable): Guard against NULL annotations.
4502 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
4504 PR tree-optimize/23817
4505 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
4507 2005-09-13 Alan Modra <amodra@bigpond.net.au>
4510 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
4511 word before changing the stack pointer. Use gen_frame_mem for MEMs.
4512 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
4513 (restore_stack_nonlocal): Likewise.
4514 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
4516 2005-09-12 Ian Lance Taylor <ian@airs.com>
4519 * c.opt (ffriend-injection): New C++ option.
4520 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
4521 (C++ Dialect Options): Document -ffriend-injection.
4523 2005-09-12 Josh Conner <jconner@apple.com>
4526 * ipa-reference.c (static_execute): Don't mark variables in
4527 named sections TREE_READONLY.
4529 2005-09-12 Alan Modra <amodra@bigpond.net.au>
4531 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
4534 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4536 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
4537 V_MUST_DEF instead of just the first_use_p.
4538 Don't mark the virtual variables for renaming on the statement which
4540 (pass_dse): Remove TODO_update_ssa.
4542 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
4545 * stor-layout.c (compute_record_mode): For records with a single
4546 field, actually check the field's mode size against the type size.
4548 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
4549 registers for TARGET_SHMEDIA.
4550 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
4551 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
4552 of GENERAL_REGS and FP_REGS.
4554 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
4556 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
4558 2005-09-12 Alan Modra <amodra@bigpond.net.au>
4560 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
4561 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
4562 are omitted. Exclude stack_tie insn too.
4564 2005-09-11 David Edelsohn <edelsohn@gnu.org>
4566 PR rtl-optimization/23098
4567 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
4569 * config/rs6000/rs6000.md (movdf splitter): Use
4570 const_double_operand predicate for TARGET_POWERPC64.
4571 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
4572 SYMBOL_REF method to ABI_V4.
4574 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
4575 replace_equiv_address.
4576 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
4577 rs6000_sr_alias_set and MEM_NOTRAP.
4578 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
4580 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
4582 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
4583 handle CALL_EXPR again.
4585 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
4587 * arm/predicates.md (alignable_memory_operand): Delete.
4589 2005-09-10 Richard Henderson <rth@redhat.com>
4592 * dbxout.c (dbxout_expand_expr): New.
4593 (dbxout_symbol): Use it.
4595 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
4597 * arm.c (arm_gen_rotated_half_load): Delete.
4598 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
4599 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
4600 (thumb_set_return_address): Likewise.
4601 (thumb_load_double_from_address): Use adjust_address.
4602 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
4603 (extendhsisi2_mem, movhi_bytes): Use change_address.
4604 (movhi): Use widen_memory_access.
4605 (reload_out_df): Use replace_equiv_address.
4606 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
4608 2005-09-09 Richard Henderson <rth@redhat.com>
4611 * dbxout.c: Include expr.h.
4612 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
4613 (dbxout_symbol): Handle DECL_VALUE_EXPR.
4614 * Makefile.in (dbxout.o): Add EXPR_H.
4616 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
4618 PR tree-optimization/23509
4619 * tree-cfg.c (replace_uses_by): Use replace_exp.
4620 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
4621 pointers have name_mem_tag or type_mem_tag set.
4623 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4625 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
4626 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
4627 of wrongly accessing operands.
4629 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4631 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
4632 * tree-chrec.c: Include tree-scalar-evolution.h.
4633 (chrec_convert): Instantiate the base and step before calling
4634 scev_probably_wraps_p that would fail on parametric evolutions.
4635 Collect all the fails into a single section failed_to_convert,
4636 print a diagnostic, and return chrec_dont_know instead of calling
4638 * tree-scalar-evolution.c (loop_closed_phi_def): New.
4639 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
4641 (scev_const_prop): Don't replace the definition of a loop closed ssa
4642 phi node by itself, or by another loop closed ssa phi node.
4643 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
4644 that base and step are defined.
4646 2005-09-09 Richard Guenther <rguenther@suse.de>
4649 * fold-const.c (fold_ternary): Check truth_value_p before
4650 calling invert_truthvalue.
4652 2005-09-09 Nick Clifton <nickc@redhat.com>
4654 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
4655 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
4656 dimension of these arrays.
4657 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
4659 * longlong.h: Only provide a prototype for the __clz_tab[] array
4660 if this header has not been included from libgcc2.h.
4661 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
4663 Provide prototypes for exported functions.
4664 Use the __clz_tab[] and __popcount_tab[] arrays provided by
4667 2005-09-08 Josh Conner <jconner@apple.com>
4671 * expr.c (expand_expr_addr_expr_1): Don't invoke
4672 expand_simple_binop for EXPAND_INITIALIZER.
4674 2005-09-08 Richard Henderson <rth@redhat.com>
4677 * toplev.c (wrapup_global_declaration_1): Split out ...
4678 (wrapup_global_declaration_2): ... from ...
4679 (wrapup_global_declarations): ... here. Return bool.
4680 (check_global_declaration_1): Split out ...
4681 (check_global_declarations): from here.
4682 (emit_debug_global_declarations): New.
4683 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
4684 check_global_declaration_1, emit_debug_global_declarations): Declare.
4685 * c-decl.c (c_write_global_declarations_1): Don't create a vector
4686 of decls. Call wrapup_global_declaration_1,
4687 wrapup_global_declaration_2, check_global_declaration_1 directly.
4688 (c_write_global_declarations_2): New.
4690 (c_write_global_declarations): Call c_write_global_declarations_2.
4691 * langhooks.c (write_global_declarations): Call
4692 emit_debug_global_declarations.
4694 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
4695 remove decls that have DECL_RTL_SET_P.
4696 * passes.c (rest_of_decl_compilation): Invoke
4697 cgraph_varpool_finalize_decl for all but functions.
4699 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
4701 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
4702 the result of a conversion if the new min and max cannot be compared.
4704 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
4706 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
4707 (override_options): Setting s390_sr_alias_set removed.
4708 (save_fpr, save_gprs): Set alias set to vararg or frame.
4709 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
4710 s390_sr_alias_set with get_frame_alias_set ().
4711 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
4712 get_varargs_alias_set ().
4714 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4718 * c-parser.c (c_parser_objc_method_definition): If the next
4719 token is not "{", error out and don't start the function.
4721 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4723 * tree-vrp.c (extract_range_from_expr): Move the check for non
4724 nullness after the check for gimple invariant.
4726 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4728 * tree.c (host_integerp, tree_low_cst): Correct function comment.
4730 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4733 * config/m32r.md (movmemsi_internal): Canonicalize order of
4734 operands in PLUS component of template.
4736 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
4738 * reload1.c (fixup_eh_region_note): Remove assertion.
4739 (fixup_abnormal_edges): Reverted removal of call to
4740 find_many_sub_basic_blocks made on 2005-08-31.
4742 2005-09-07 Richard Henderson <rth@redhat.com>
4744 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
4745 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
4746 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
4747 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
4748 rearrange for better packing.
4749 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
4750 (lookup_cfa_1): Remove inline marker.
4751 (cfa_equal_p): Split out of ...
4752 (def_cfa_1): ... here. Use INVALID_REGNUM.
4753 (build_cfa_loc): Handle !cfa->indirect.
4754 (frame_pointer_cfa_offset): New.
4755 (dbx_reg_number): Assert register elimination performed; do
4756 leaf register remapping.
4757 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
4758 (eliminate_reg_to_offset): New.
4759 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
4760 for verifiably local stack frame addresses; re-base to CFA.
4761 (mem_loc_descriptor): Remove can_use_fbreg argument.
4762 (concat_loc_descriptor, loc_descriptor): Likewise.
4763 (containing_function_has_frame_base): Remove.
4764 (rtl_for_decl_location): Don't do register elimination or
4765 leaf register remapping here.
4766 (secname_for_decl): Split out from ..
4767 (add_location_or_const_value_attribute): ... here.
4768 (convert_cfa_to_loc_list): New.
4769 (compute_frame_pointer_to_cfa_displacement): New.
4770 (gen_subprogram_die): Use them.
4771 * tree.h (frame_base_decl): Remove.
4772 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
4773 (prologue_stack_adjust): Remove.
4774 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
4775 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
4776 (set_frame_base_location): Remove.
4777 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
4778 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
4779 (vt_add_function_parameters): Don't eliminate_regs.
4780 (vt_initialize): Don't create frame_base_decl.
4782 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4784 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
4785 version of GNU binutils for 4.x and later.
4787 2005-09-06 Mark Mitchell <mark@codesourcery.com>
4789 * ggc-page.c (ggc_push_context): Remove.
4790 (ggc_pop_context): Likewise.
4791 * ggc.h (ggc_push_context): Remove.
4792 (ggc_pop_context): Likewise.
4794 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4797 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
4798 returning from an interrupt handler.
4800 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4803 * config/arc/arc.c (output_shift): Add check for loop count when
4806 2005-09-06 Steven Bosscher <stevenb@suse.de>
4808 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
4810 (abs_replacement): Likewise.
4811 (pass_phiopt): Remove TODO_update_ssa.
4813 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4816 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
4817 if "return with no value, in function returning non-void" warning
4819 * tree-cfg.c (execute_warn_function_return): Don't look at
4820 RETURN_EXPRs with TREE_NO_WARNING set.
4823 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
4824 for internal functions doesn't use registers used by global registers
4825 variables. Use fewer register parameters if there are global register
4828 2005-09-06 Olivier Hainque <hainque@adacore.com>
4829 Eric Botcazou <ebotcazou@adacore.com>
4832 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
4833 when we would be extracting outside its bit span (bitpos+bitsize
4834 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
4835 Ada unchecked conversions.
4837 2005-09-06 Steven Bosscher <stevenb@suse.de>
4839 * tree-ssa-pre.c (try_look_through_load): New function.
4840 (compute_avail): Use it to try to look through loads for some
4841 more useful expressions.
4843 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4845 * simplify-rtx.c (simplify_binary_operation_1): Correct the
4846 condition for detecting cases like (a&a) and (a^a).
4848 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
4850 * common.opt: Add option ftree-vect-loop-version.
4851 * params.def: Add --param vect-max-version-checks.
4852 * doc/invoke.texi: Document ftree-vect-loop-version and
4853 --param vect-max-version-checks.
4854 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
4855 may_misalign_stmts and defines for accessors.
4856 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
4857 LOOP_VINFO_MAY_MISALIGN_STMTS.
4858 (destroy_loop_vec_info): VEC_free for
4859 LOOP_VINFO_MAY_MISALIGN_STMTS.
4860 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4861 Update documentation.
4862 (vect_update_misalignment_for_peel): New.
4863 (vect_enhance_data_refs_alignment): Update to choose loop
4864 peeling or loop versioning if appropriate for the (potentially)
4865 unaligned data references in the loop.
4866 (vect_analyze_data_refs_alignment): Remove call to
4867 vect_enhance_data_refs_alignment so the checks can be done
4869 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
4870 and move up call to vect_analyze_data_refs_alignment.
4871 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
4872 (vect_transform_loop): Add call to loop_version.
4874 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4876 PR rtl-optimization/23098
4877 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
4878 * simplify-rtx.c (constant_pool_reference_p): New function.
4879 * rtl.h (constant_pool_reference_p): New prototype.
4880 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
4881 constant_pool_reference_p in condition and
4882 avoid_constant_pool_reference in preparation statements.
4884 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
4886 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
4887 STRICT_LOW_PART SETs.
4889 2005-09-06 Alan Modra <amodra@bigpond.net.au>
4892 * except.c (sjlj_emit_function_enter): Find the function begin
4893 note even when it's not in first basic block.
4895 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
4897 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
4898 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
4899 * aclocal.m4: Regenerate.
4901 2005-09-05 DJ Delorie <dj@redhat.com>
4903 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
4906 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
4908 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
4909 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
4910 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
4911 Follow spelling conventions.
4912 * doc/invoke.texi: Follow spelling conventions.
4914 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4916 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
4917 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
4918 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
4920 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4923 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
4924 (output_stack_adjust): Use gen_tmp_stack_mem.
4925 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
4926 (sh_set_return_address, sh_allocate_initial_value): Likewise.
4927 (sh_get_pr_initial_val): Likewise.
4928 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
4929 (sh_initialize_trampoline): Likewise. Also use adjust_address.
4930 * sh.md (divsi_inv_m0): Use gen_const_mem.
4931 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
4932 (movdf_i4+1): Use gen_tmp_stack_mem.
4933 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
4934 (fpu_switch+2): Likewise.
4935 (movv4sf_i, movv16sf_i): Use adjust_address.
4936 (symGOT_load): Set MEM_NOTRAP_P bit.
4938 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4941 * pa.c (emit_move_sequence): Fix typo in last change.
4943 2005-09-03 Jakub Jelinek <jakub@redhat.com>
4945 PR rtl-optimization/23454
4946 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
4949 2005-09-03 Richard Henderson <rth@redhat.com>
4950 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4953 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
4956 2005-09-02 Nicolas Pitre <nico@cam.org>
4958 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
4959 to bit_count to 32 bits.
4961 2005-08-31 Mark Mitchell <mark@codesourcery.com>
4964 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
4965 generating synthetic loads from volatile lvalues.
4967 005-09-02 Nick Clifton <nickc@redhat.com>
4969 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
4970 __ctzhi2, __clzhi2): New functions.
4972 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
4975 * tree-nested.c (struct var_map_elt): Mark with GTY.
4976 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
4978 (lookup_field_for_decl): Allocate new element in GC memory.
4979 (lookup_tramp_for_decl): Likewise.
4980 (convert_nl_goto_reference): Likewise
4981 (create_nesting_tree): Allocate info in GC memory. Likewise for
4983 (free_nesting_tree): Free with ggc_free instead of free.
4984 (root): New static variable.
4985 (lower_nested_functions): Remove root as local variable. And zero out
4986 root at the end of the function.
4988 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
4990 PR rtl-optimization/20365
4991 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
4992 to short. New member ix.
4993 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
4994 (simplify_plus_minus): Initialize ix members before calling qsort.
4996 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
4998 PR tree-optimization/23626
4999 * tree-cfg.c (replace_uses_by): Clean up eh info.
5001 2005-09-01 DJ Delorie <dj@redhat.com>
5003 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
5006 2005-09-01 David Edelsohn <edelsohn@gnu.org>
5008 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
5009 (rs6000_split_multireg_move): Use replace_equiv_address instead of
5012 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
5014 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
5015 do not issue warning for a variable definition following
5018 2005-09-01 Richard Henderson <rth@redhat.com>
5021 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
5022 conversion to CONST_VECTOR.
5024 2005-09-01 Richard Henderson <rth@redhat.com>
5027 * reload1.c (reload_as_needed): Check !CALL_P before calling
5028 fixup_eh_region_note.
5029 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
5031 2005-09-01 DJ Delorie <dj@redhat.com>
5033 * varasm.c (output_constant): Let the target resolve
5034 conversions of addresses to non-default pointer sizes.
5036 2005-09-01 Nicolas Pitre <nico@cam.org>
5038 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
5039 to alow matching ARM pre-indexed addressing mode.
5040 (arm_override_options): Remove now irrelevant comment.
5042 2005-09-01 Phil Edwards <phil@codesourcery.com>
5044 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
5045 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
5046 * config/i386/vxworks.h: Likewise.
5047 * config/i386/t-vxworksae: New file, for VxWorks AE.
5048 * config/i386/vxworksae.h: Likewise.
5050 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
5052 PR tree-optimization/23410
5053 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
5054 sequence is not wrapping during the first step.
5056 2005-09-01 Jakub Jelinek <jakub@redhat.com>
5059 * dwarf2out.c (base_type_die): Compare char_type_node with
5060 TYPE_MAIN_VARIANT (type), not type.
5062 2005-09-01 Richard Guenther <rguenther@suse.de>
5064 PR tree-optimization/15366
5065 * common.opt: Add -finline-functions-called-once.
5066 Put -fearly-inlining in alphabetically ordered place.
5067 * doc/invoke.texi: Document new option.
5068 * ipa-inline.c (cgraph_decide_inlining): Honour
5069 flag_inline_functions_called_once.
5071 2005-09-01 Jakub Jelinek <jakub@redhat.com>
5073 PR rtl-optimization/23478
5074 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
5075 (alloc_qty): Initialize it.
5076 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
5077 (combine_regs): Combine also n_throwing_calls_crossed fields.
5078 (find_free_reg): Don't attempt to caller-save pseudos crossing
5079 calls that might throw.
5080 * global.c (struct allocno): Add throwing_calls_crossed field.
5081 (global_alloc): Revert 2005-08-22 change. Initialize
5082 throwing_calls_crossed.
5083 (find_reg): Don't attempt to caller-save pseudos crossing calls that
5086 2005-09-01 Alan Modra <amodra@bigpond.net.au>
5089 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
5090 (mask64_operand): Reinstate code prior to 2005-06-11 change.
5091 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
5092 (and64_2_operand): Tweak to use predicate.
5093 (and_operand): Adjust for mask_operand changes.
5094 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
5095 (print_operand): Likewise.
5096 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
5097 (mask64_1or2_operand): Delete.
5098 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
5099 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
5100 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
5101 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
5102 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
5103 (rotldi3_internal4): Likewise.
5104 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
5105 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
5106 (ashldi3_internal7): Likewise.
5107 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
5108 (ashldi3_internal, ashldi3_internal9 split): Likewise.
5109 (anddi3 split): Don't match mask64_operand.
5110 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
5111 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
5112 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
5113 't' splitter predicate.
5114 (movdi_internal64 + 2): Revert 2005-06-11 change.
5116 2005-08-31 DJ Delorie <dj@redhat.com>
5118 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
5119 (m32c_asm_integer): Add support for 32 bit pointers.
5121 2005-08-31 Richard Henderson <rth@redhat.com>
5123 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
5124 component-like references for setting MEM_NOTRAP_P.
5126 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
5127 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
5129 2005-08-31 Richard Henderson <rth@redhat.com>
5131 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
5132 into a pseudo before applying gen_lowpart.
5134 2005-08-31 Geoffrey Keating <geoffk@apple.com>
5136 * doc/install.texi (Specific): Update cctools version required
5137 for full functionality.
5138 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
5139 linkers as -macosx_version_min.
5141 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
5144 * sh.c (print_operand, %R and %S): Add handling of floating point
5145 registers, memory, constants and invalid operands.
5147 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
5149 * ipa-pure-const.c: Change dump name.
5151 2005-08-31 Uros Bizjak <uros@kss-loka.si>
5154 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
5155 to "reg_or_0_operand".
5156 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
5158 2005-08-31 Dale Johannesen <dalej@apple.com>
5160 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
5161 loops that count down.
5163 2005-08-31 Richard Henderson <rth@redhat.com>
5166 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
5167 (fixup_eh_region_note): New.
5168 (reload_as_needed): Call it.
5169 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
5170 don't call find_many_sub_basic_blocks; call verify_flow_info.
5171 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
5172 (keep_stack_depressed): Likewise.
5173 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
5175 2005-08-31 Richard Henderson <rth@redhat.com>
5177 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
5180 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
5182 * expr.c (expand_expr_real_1): Compare size of address
5183 mode to target's address mode size in deciding expansion of
5184 the constant address.
5186 2005-08-31 Richard Guenther <rguenther@suse.de>
5189 * expr.c (all_zeros_p): New function.
5190 (expand_expr_real_1): Handle the case of an all-zero
5191 non-addressable constructor separately.
5193 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
5195 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
5196 arguments, adjust all callers.
5197 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
5199 2005-08-30 Richard Henderson <rth@redhat.com>
5202 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
5203 whenever the mode sizes match.
5205 2005-08-31 Alan Modra <amodra@bigpond.net.au>
5207 * calls.c (load_register_parameters): Fix comment typo.
5208 * expr.c (emit_push_insn): Comment formatting.
5210 2005-08-30 Ian Lance Taylor <ian@airs.com>
5212 * config/i386/x-cygwin (host-cygwin): Change dependency from
5213 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
5215 2005-08-29 Geoffrey Keating <geoffk@apple.com>
5217 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
5220 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5223 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
5224 call to ggc_collect.
5226 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
5229 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
5230 beginning. Remove $(INCLUDES) from all the rules, if following
5231 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
5233 2005-08-29 Jakub Jelinek <jakub@redhat.com>
5236 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
5237 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
5238 not constant, but maxlen is, don't set len to maxlen, rather
5239 set maxlen to len if len is a constant.
5241 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
5243 PR tree-optimization/23475
5244 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
5247 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
5249 Fix PR middle-end/22455
5251 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
5252 Checksum only the parts of the tree that exist for the tree code.
5254 2005-08-28 Dale Johannesen <dalej@apple.com>
5256 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
5258 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
5260 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
5262 2005-08-28 Richard Henderson <rth@redhat.com>
5264 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
5265 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
5268 2005-08-28 Jakub Jelinek <jakub@redhat.com>
5271 * builtins.c (get_memory_rtx): Don't strip nops
5272 in between COMPONENT_REFs.
5274 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
5277 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
5279 (gimplify_modify_expr): Check for zero sized types and gimplify the
5280 rhs and lhs as statements.
5282 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
5285 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
5286 state for return address column of signal frames.
5288 2005-08-27 David Edelsohn <edelsohn@gnu.org>
5291 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
5292 bytes >= 2 not bytes == 2.
5293 (expand_block_move): Same.
5295 2005-08-27 Richard Guenther <rguenther@suse.de>
5298 * config/i386/sse.md (sse2_movsd): Add missing closing
5301 2005-08-27 Paul Brook <paul@codesourcery.com>
5303 * genrecog.c (enum decision_type): Add DT_num_insns.
5304 (struct decision_test): Add u.num_insns.
5305 (add_to_sequence): Add DT_num_insns test.
5306 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
5307 (write_cond, debug_decision_2): Ditto.
5308 (change_state): Assume peep2_next_insn never fails.
5309 Remove "afterward" argument.
5310 (write afterward, write_tree): Update to match.
5311 * recog.c (peep2_current_count): New variable.
5312 (peep2_next_insn): Check it.
5313 (peephole2_optimize): Set peep2_current_count.
5314 * recog.h (peep2_current_count): Declare.
5316 2005-08-26 Josh Conner <jconner@apple.com>
5319 * ipa-pure-const.c (check_tree): Check for volatile-ness
5320 when considering a dereference.
5322 2005-08-27 Jakub Jelinek <jakub@redhat.com>
5324 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
5326 2005-08-26 Jakub Jelinek <jakub@redhat.com>
5328 PR rtl-optimization/23561
5329 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
5330 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
5331 at most LEN bytes long memory fits into the field.
5332 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
5333 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
5334 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
5336 2005-08-26 Richard Henderson <rth@redhat.com>
5339 * loop.c (biased_biv_may_wrap_p): New.
5340 (maybe_eliminate_biv_1): Use it to suppress non-equality
5341 comparison transformations. Delete disabled code.
5343 2005-08-26 Ian Lance Taylor <ian@airs.com>
5345 * combine.c (make_extraction): Avoid reference outside object.
5347 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
5349 * stor-layout.c (finalize_type_size): Restore behaviour for
5350 non-aggregate types to the status quo ante of the patch for
5351 pr 23467. Document why it matters.
5353 2005-08-26 Jakub Jelinek <jakub@redhat.com>
5356 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
5357 array by one element, initialize the BT_LAST element with NULL.
5359 2005-08-26 David Edelsohn <edelsohn@gnu.org>
5361 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
5362 optimizing for size.
5364 (compare_plus_eqsi): Same.
5365 (plus_eqsi_compare): Same.
5366 (neg_eq0<mode>): Same.
5367 (neg_eq<mode>): Same.
5369 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
5372 2005-08-26 Nick Clifton <nickc@redhat.com>
5374 * config/v850/v850.c (ep_memory_operand): Return FALSE if
5375 TARGET_EP is not defined.
5376 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
5377 TARGET_EP is enabled.
5378 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
5379 * config/v850/v850.md (save_all_interrupt): Only use the EP
5380 register if TARGET_EP is defined.
5381 (restore_all_interrupt): Likewise.
5382 * config/v850/lib1funcs.asm: Update functions so that the EP
5383 register is only used if __EP__ is defined.
5385 2005-08-26 David Ung <davidu@mips.com>
5387 * config/mips/mips.c (mips_expand_prologue): Handle case when
5388 generating for MIPS16 and the outgoing argument area is more than
5389 SMALL_OPERAND. Use the frame pointer as temporary to generate the
5392 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
5394 * config/crx/crx.md: Make doloop_end pattern usage controllable
5395 via mloop-nesting=<max-nesting> command line switch. Make sure
5396 the combiner cannot use doloop_end_<mode> in an illegal way.
5397 * config/crx/crx.c: Use regs up to r6 for argument passing.
5398 Refine crx_address_cost (non cst4 displacements are expensive).
5399 * config/crx/crx.opt: Add switch for mloop-nesting=.
5401 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
5403 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
5404 (UNSPEC_MVST): New constant.
5406 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
5408 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
5409 Reject operands containing eliminable registers.
5410 * testsuite/gcc.dg/20050825-1.c: New testcase.
5412 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5413 Jan Hubicka <jh@suse.cz>
5415 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
5417 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5419 PR tree-optimization/23546
5420 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
5423 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
5425 * params.def (PARAM_MIN_SPEC_PROB): New.
5426 * sched-rgn.c (MIN_PROBABILITY): Delete.
5427 (compute_trg_info): Convert to PARAM_VALUE.
5428 * doc/invoke.texi (param): Document min-spec-prob.
5430 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
5432 * config/darwin.h: define __PIC__
5433 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
5434 TARGET_OS_CPP_BUILTINS macro.
5436 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5438 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
5441 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
5443 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
5445 * cfghooks.c (duplicate_block): Added position where to place
5446 new block as argument.
5447 * cfghooks.h (duplicate_block): Declaration changed.
5448 * cfglayout.c (copy_bbs): Add argument after. Pass it to
5450 * cfglayout.h (copy_bbs): Declaration changed.
5451 * cfgloop.h (loop_version): Declaration changed.
5452 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
5453 position to copy_bbs.
5454 (loop_version): Pass position to duplicate_loop_to_header_edge.
5455 Add place_after argument and position new blocks according to
5457 * modulo-sched.c (sms_schedule): Pass place_after argument
5459 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
5460 * tree-cfg.c (split_edge_bb_loc): New function.
5461 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
5462 to determine position of new blocks.
5463 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
5465 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
5466 argument to duplicate_block.
5467 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
5468 Pass position to copy_bbs.
5470 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
5472 * fold-const.c (ptr_difference_const): Use
5473 cst_and_fits_in_hwi instead of host_integerp.
5475 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5477 * config/darwin.c (gen_pic_offset): New.
5478 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
5481 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
5483 PR tree-optimization/23486
5484 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
5486 2005-08-23 Phil Edwards <phil@codesourcery.com>
5488 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
5489 remove use_collect2.
5490 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
5492 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
5493 configuration files to override the default value.
5495 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
5496 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
5497 * config/vx-common.h: New file, split out from...
5498 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
5499 * config/vxworksae.h: New file, for VxWorks AE.
5500 * config/vxworks.opt: New file.
5501 * config/vxlib.c: Update for VxWorks 6.
5503 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
5504 other MULTILIB_* variables appropriately.
5505 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
5506 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
5507 * config/rs6000/vxworks.h: Update for VxWorks 6.
5508 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
5510 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
5513 * config/darwin.c (machopic_select_section): Remove the hack to
5514 mark "::operator new" and "::operator delete" for coalescing
5515 even though they are not weak.
5517 2005-08-24 Alan Modra <amodra@bigpond.net.au>
5519 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
5520 * configure: Regenerate.
5522 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
5525 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
5527 * convert.c (convert_to_integer, convert_to_vector): Likewise.
5528 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
5531 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
5533 * config/rs6000/predicates.md (equality_operator): New.
5534 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
5535 comparison with a large constant.
5537 2005-08-23 Mark Mitchell <mark@codesourcery.com>
5539 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
5541 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
5543 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
5544 registers is even, and we have a hardware double precision fp,
5546 (sh_gimplify_va_arg_expr): For floating point arguments, consider
5547 size of current argument when checking if argument was passed in
5550 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
5553 * stor-layout.c (finalize_type_size): Dont override
5554 existing alignment with a smaller alignment from the mode.
5556 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
5558 * lambda-code.c (lambda_vector_lexico_pos): Moved...
5559 * lambda.h (lambda_vector_lexico_pos): ... here.
5560 * tree-data-ref.c (build_classic_dist_vector): Return false when
5561 the distance vector is lexicographically negative.
5563 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
5565 PR tree-optimization/23511
5566 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
5567 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
5569 2005-08-23 Jakub Jelinek <jakub@redhat.com>
5571 PR tree-optimization/22043
5572 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
5573 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
5574 If ALLOW_FLEXARR, handle types ending with flexible array member.
5575 Pass false as second argument to recursive count_type_elements calls.
5576 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
5577 argument to count_type_elements call.
5578 * tree-sra.c (decide_block_copy): Likewise.
5579 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
5580 for a constant-sized object, set cleared as well. Pass true as
5581 second argument to count_type_elements call.
5583 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5586 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
5587 from legitimate_small_data_p, and make global. Update use.
5588 Remove forward declaration.
5589 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
5591 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
5593 2005-08-23 David Edelsohn <edelsohn@gnu.org>
5595 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
5596 of scratch intermediates.
5597 (eq<mode>_compare): Same.
5598 (neg_eq0<mode>): New.
5599 (neg_eq<mode>): Convert to define_insn_and_split.
5601 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5604 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
5605 stdarg functions, set/clear the fp marker even when no variable
5607 * config/rs6000/sysv4.opt (mprototype): Describe.
5609 2005-08-22 Jakub Jelinek <jakub@redhat.com>
5611 PR rtl-optimization/23478
5612 * regs.h (reg_info): Add throw_calls_crossed.
5613 (REG_N_THROWING_CALLS_CROSSED): Define.
5614 * flow.c (allocate_reg_life_data): Initialize
5615 REG_N_THROWING_CALLS_CROSSED.
5616 (propagate_one_insn, attempt_auto_inc): Update
5617 REG_N_THROWING_CALLS_CROSSED.
5618 * global.c (global_alloc): Don't allocate pseudos across
5619 calls that may throw.
5621 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
5624 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
5625 value is inbetween the range if we did not find an exact match.
5627 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
5629 * doc/invoke.texi (Option Summary): Add ms1 options.
5630 * doc/extend.texi: Document interrupt handler attribute for ms1.
5631 * doc/md.texi: Document ms1 constraints.
5632 * config.gcc: Add ms1-*-elf.
5633 * config/ms1/ms1.h: New.
5634 * config/ms1/ms1.c: New.
5635 * config/ms1/ms1.md: New.
5636 * config/ms1/ms1-protos.h: New.
5637 * config/ms1/ABI.txt: New.
5638 * config/ms1/crti.asm: New.
5639 * config/ms1/crtn.asm: New.
5640 * config/ms1/lib2extra-funcs.c: New.
5641 * config/ms1/t-ms1: New.
5642 * config/ms1/ms1.opt: New.
5644 2005-08-22 Ira Rosen <irar@il.ibm.com>
5646 * config/rs6000/altivec.md (xorv4sf3): New.
5647 (negv4sf2, neg<mode>2): Likewise.
5649 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
5652 * config/ia64/ia64.md (divsi3): Check divide by zero.
5653 (udivsi3): Likewise.
5655 (udivdi3): Likewise.
5657 2005-08-21 Jakub Jelinek <jakub@redhat.com>
5659 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
5660 up to elem_bitsize bits, not max_bitsize.
5662 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5664 PR tree-optimization/23433
5665 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
5666 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
5668 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5670 PR tree-optimization/23434
5671 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
5672 the iteration bound is not an INTEGER_CST.
5674 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
5676 * tree-vect-transform.c (get_initial_def_for_reduction): Set
5677 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
5678 NULL if need_epilog_adjust is false.
5679 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
5680 Case 3 always peels first itration, not just for PLUS case, and no need
5681 to use scalar_initial_def here. Create an epilog adjustment only if
5682 scalar_initial_def is not NULL.
5684 (vectorizable_reduction): Remove assert.
5686 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
5689 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
5690 (__moddi3): Likewise.
5691 (__udivdi3): Likewise.
5692 (__umoddi3): Likewise.
5693 (__divsi3): Likewise.
5694 (__modsi3): Likewise.
5695 (__udivsi3): Likewise.
5696 (__umodsi3): Likewise.
5698 2005-08-20 Jakub Jelinek <jakub@redhat.com>
5700 * tree-pass.h (TDF_GRAPH): Define.
5701 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
5702 * passes.c (finish_optimization_passes): Only call
5703 finish_graph_dump_file if TDF_GRAPH is set.
5704 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
5705 NULL. Set TDF_GRAPH bit.
5706 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
5708 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
5710 * arm.h (arm_stack_offsets): Add locals_base field.
5711 * arm.c (arm_get_frame_offsets): Compute it.
5712 (thumb_compute_initial_elimination offset): Make the Thumb frame
5713 pointer point to the base of the local variables.
5714 (thumb_expand_prologue): Update accordingly.
5715 (thumb_expand_epilogue): Likewise.
5717 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
5718 mode of clobbered scratch to DImode. Handle a case that's known to
5721 2005-08-19 David Edelsohn <edelsohn@gnu.org>
5723 * config/rs6000/rs6000.md (gt0<mode>): Delete.
5724 (gt0<mode>_compare): Delete.
5725 (neg_gt0<mode>): Delete.
5727 2005-08-19 Eric Christopher <echristo@apple.com>
5729 * optabs.h: Change CTI_ to COI_.
5732 2005-08-19 James E Wilson <wilson@specifix.com>
5734 * builtins.c (expand_builtin_return_addr): Set
5735 current_function_accesses_prior_frames when count != 0. Use
5736 frame_pointer_rtx when count == 0.
5737 * function.h (struct function): Add accesses_prior_frames field.
5738 (current_function_accesses_prior_frames): Define.
5739 * reload1.c (init_elim_table): Check
5740 current_function_accesses_prior_frames.
5741 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
5743 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5745 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
5746 indicator. Return true if the flowgraph changed during
5749 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5752 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
5753 conditional expression before testing its value.
5755 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5757 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
5759 2005-08-19 Devang Patel <dpatel@apple.com>
5761 PR tree-optimization/23048
5762 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
5763 third parameter. Check whether latch is dominated by exit
5765 (if_convertible_loop_p): Supply exit block itself to
5766 if_convertible_bb_p.
5768 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5771 * arm.md (arm_load_pic_register): Change argument to the mask of
5772 saved registers. Call thumb_find_work_register if we need a
5773 scratch register on Thumb.
5774 (arm_expand_prologue): Pass empty register set to
5775 arm_load_pic_register.
5776 (thumb_expand_prologue): Pass live_regs_mask directly to
5777 arm_load_pic_register.
5778 * arm-protos.h (arm_load_pic_register): Update prototype.
5780 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
5782 * sh.c (find_sole_member): New function.
5783 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
5784 if the record's alignment is larger than the size of its only member.
5786 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5789 * arm.c (thumb_legitimize_reload_address): New function.
5790 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
5791 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
5793 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
5795 * config/crx/crx.c: Implement crx_decompose_address. Reject
5796 symbolic displacements since CRX register relative adressing
5797 mode can't handle unsigned 32-bit values as displacements.
5798 * config/crx/crx.h: Simplify definitions, remove redundant
5799 parenthesis and obsolete macros.
5800 * config/crx/crx.opt: Add new switch for debugging addresses.
5801 * config/crx/crx-protos.h: Add new declarations for above.
5803 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
5806 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
5809 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5811 * collect2.c (dup2): Delete.
5812 * configure.ac: Don't check for dup2.
5814 * config.in, configure: Regenerate.
5816 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
5818 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
5819 record with the type of its only member.
5821 2005-08-18 David Edelsohn <edelsohn@gnu.org>
5823 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
5824 define_insn_and_split.
5825 (plus_ltu<mode>_compare): Same.
5826 (gtu<mode>_compare): Same.
5827 (plus_gtu<mode>_compare): Same.
5829 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
5831 PR tree-optimization/22228
5832 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
5834 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
5835 are recorded in vect_vnames_to_rename for renaming.
5836 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
5837 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
5838 in vect_vnames_to_rename.
5839 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
5840 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
5842 2005-08-18 Jan Hubicka <jh@suse.cz>
5845 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
5846 info only for local statics, not for member variables.
5848 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5850 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
5852 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5854 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
5856 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
5859 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
5861 2005-08-17 James E Wilson <wilson@specifix.com>
5863 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5866 2005-08-17 David Edelsohn <edelsohn@gnu.org>
5868 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
5869 (leu<mode>_compare): Same.
5870 (plus_leu<mode>): Same.
5871 (neg_leu<mode>): Same.
5872 (and_neg_leu<mode): Same.
5873 (ltu<mode>_compare): Same.
5874 (plus_ltu<mode>): Same.
5876 (geu<mode>_compare): Same.
5877 (plus_geu<mode>): Same.
5878 (neg_geu<mode>): Same.
5879 (and_neg_geu<mode>): Same.
5880 (plus_gt<mode>): Same.
5881 (gtu<mode>_compare): Same.
5882 (plus_gtu<mode>): Same.
5884 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
5886 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
5887 Move call_table_data to end. Delete spurious .text.
5888 (callt_save_all_interrupt): Fix comment typo.
5890 2005-08-17 James E Wilson <wilson@specifix.com>
5891 Kevin Winchester <winchester@amirix.com>
5894 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
5896 2005-08-17 Uros Bizjak <uros@kss-loka.si>
5899 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
5900 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
5902 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
5904 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
5905 record with the type of its only member if the modes don't match.
5907 * varasm.c (decode_reg_name): Skip empty additional register names.
5909 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5911 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
5912 lsm_tmp_name_length): New.
5913 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
5914 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
5916 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5917 Andreas Krebbel <krebbel1@de.ibm.com>
5919 * config.gcc: Added z9-109 switch.
5920 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
5921 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
5922 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
5923 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5924 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
5925 for "z9_109" cpu attribute.
5926 * config/s390/s390.c (z9_109_cost): New processor cost structure.
5927 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
5928 (s390_handle_arch_option): Added z9-109 switch.
5929 (override_options): Set respective cost function for z9-109.
5930 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
5931 (legitimate_reload_constant_p): Accept extended immediates.
5932 (print_operand): Three new output modifiers added: k, m and o.
5933 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
5934 (s390_output_mi_thunk): Use extended immediate when possible.
5935 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
5936 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
5937 (CONSTRAINT_LEN): Added length of O constraint.
5938 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
5939 * config/s390/s390.md ("cpu"): New value z9_109 added.
5940 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
5941 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
5942 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
5943 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
5944 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
5945 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
5946 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
5947 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
5948 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
5949 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5950 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
5951 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
5952 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
5953 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
5954 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
5956 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
5957 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
5958 insns for TARGET_EXTIMM.
5960 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
5962 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
5964 2005-08-17 Nick Clifton <nickc@redhat.com>
5966 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
5967 Call default_encode_section_info.
5969 2005-08-17 Steven Bosscher <stevenb@suse.de>
5971 PR tree-optimization/21574
5972 * tree-ssa-ccp.c (likely_value): If the right hand side is a
5973 constant, return CONSTANT.
5974 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
5975 (ccp_fold, visit_assignment): Likewise.
5976 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
5978 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5980 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
5981 fold_buildN instead of buildN then fold_initializer or fold.
5982 (build_unary_op): Likewise.
5983 (build_binary_op): Likewise.
5984 * fold-const.c (fold_initializer): Remove.
5985 (fold_build1_initializer): New function.
5986 (fold_build2_initializer): New function.
5987 (fold_build3_initializer): New function.
5988 * tree.h (fold_initializer): Remove.
5989 (fold_build1_initializer): New function.
5990 (fold_build2_initializer): New function.
5991 (fold_build3_initializer): New function.
5993 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
5995 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
5996 (try_move_mult_to_index): Call fold_build2 instead of build2.
5997 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
5998 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
5999 fold_binary_to_constant.
6000 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
6002 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
6003 check if A == gcd (A, B). Remove TYPE argument.
6004 (analyze_offset) Use fold_build2 instead of fold (build.
6005 (create_data_ref): Likewise.
6006 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
6007 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
6010 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
6012 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
6013 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
6015 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
6018 * gimplify.c (zero_sized_type): New function.
6019 (gimplify_modify_expr_rhs): If we have a zero sized type,
6020 replace the statement with an empty statement.
6022 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
6024 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
6027 2005-08-16 Ian Lance Taylor <ian@airs.com>
6029 * doc/tm.texi (Label Output): Correct typo.
6031 2005-08-16 Steven Bosscher <stevenb@suse.de>
6034 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
6035 force_operand will work later on using have_insn_for.
6037 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6039 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
6041 2005-08-16 Ian Lance Taylor <ian@airs.com>
6044 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
6045 vector type, don't try to construct it element by element. Add an
6046 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
6048 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6050 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
6052 2005-08-16 Geoffrey Keating <geoffk@apple.com>
6054 * doc/invoke.texi (Precompiled Headers): Document some more options
6055 which are known to be safe.
6057 2005-08-16 James E Wilson <wilson@specifix.com>
6059 PR tree-optimization/21105
6060 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6061 TREE_OVERFLOW check.
6063 2005-08-16 David Edelsohn <edelsohn@gnu.org>
6065 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
6066 (neg_ltu<mode>): Same.
6068 (neg_gtu<mode>): Same.
6070 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6072 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
6073 (fold_builtin_isdigit): Use fold_buildN.
6074 (build_function_call_expr): Likewise.
6075 * c-typeck.c (c_finish_loop): Likewise.
6077 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
6078 Richard Shann <rshann@superh.com>
6080 PR middle-end/20396:
6081 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
6083 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
6085 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
6087 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
6090 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
6091 arm_compure_save_reg0_reg12_mask to determine when the PIC register
6094 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6097 * fold-const.c (build_range_check): Disable optimization for function
6098 pointer expressions on targets that require function pointer
6101 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
6103 * simplify-rtx.c (simplify_const_relational_operation): When
6104 extracting arguments of a COMPARE, recompute the mode as well.
6106 2005-08-15 Ian Lance Taylor <ian@airs.com>
6108 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
6110 2005-08-15 DJ Delorie <dj@redhat.com>
6112 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
6114 (movsi_splittable): Allow, but split, moves to the stack.
6115 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
6118 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6120 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
6121 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
6122 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
6124 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
6125 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
6126 Delete HOST_PTR_PRINTF.
6128 * configure, config.in: Regenerate.
6130 2005-08-15 David Edelsohn <edelsohn@gnu.org>
6132 * config/rs6000/rs6000.md (QHSI): New mode macro.
6133 (wd): Extend mode attr for QImode and HImode
6134 (dbits): New mode attr.
6135 (zero_extend<mode>di2): Convert to mode macro.
6137 2005-08-15 Steve Ellcey <sje@cup.hp.com>
6140 * doc/invoke.texi (-mgnu-ld): Update description.
6143 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
6146 * Makefile.in (tree-chrec.o): Depends on real.h.
6147 * tree-chrec.c: Include real.h.
6148 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
6149 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
6150 * tree-scalar-evolution.c (add_to_evolution_1,
6151 interpret_rhs_modify_expr): Ditto.
6153 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
6156 * tree-data-ref.c (estimate_niter_from_size_of_data): When
6157 step is negative compute the estimation from init downwards to zero.
6159 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
6161 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
6163 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
6165 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
6167 (legitimate_reload_constant_p): Fix handling of lliXX operands.
6168 Accept double-word constants that can be split.
6169 * config/s390/s390.md ("movti"): Use 'P' constraint.
6170 ("*movdi_31", "*movdf_31"): Likewise.
6172 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
6174 Fix PR tree-optimization/22615
6176 * tree-ssa-structalias.c (solution_set_add): Handle
6177 first_vi_for_offset returning NULL.
6178 (do_da_constraint): Ditto.
6179 (do_sd_constraint): Ditto.
6180 (do_ds_constraint): Ditto
6181 (find_func_aliases): Ditto.
6182 (build_constraint_graph): RHS is allowed be ANYTHING.
6183 (first_vi_for_offset): Return NULL if we couldn't find anything at
6186 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
6188 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
6189 over memory as first operand.
6191 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
6194 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
6195 available for setting it.
6197 2005-08-14 Ira Rosen <irar@il.ibm.com>
6199 PR tree-optimization/23320
6200 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
6201 data-refs' types instead of base object nullness. Add check for
6202 pointer type data-refs before first location comparison. Remove
6205 2005-08-14 Andreas Schwab <schwab@suse.de>
6207 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
6209 2005-08-13 James E Wilson <wilson@specifix.com>
6211 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
6212 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
6213 -fstack-protector-all, --param ssp-buffer-size): Document.
6214 (-Wvariadic-macros): Alphabetize.
6215 (-fsched-stalled-insns-dep): Add missing 'f'.
6217 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
6220 2005-08-13 David Edelsohn <edelsohn@gnu.org>
6222 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
6223 or indirect address operand.
6224 (EXTRA_ADDRESS_CONSTRAINT): New.
6225 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
6227 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
6229 PR tree-optimization/22236
6230 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
6231 successors and predecessors.
6232 * tree-chrec.c (chrec_convert): Before converting, check that
6233 sequences don't wrap.
6234 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
6235 (analyze_array): Extern.
6236 (find_data_references_in_loop): Remove call to
6237 compute_estimated_nb_iterations.
6238 * tree-data-ref.h (analyze_array): Declared.
6239 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
6240 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
6241 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
6242 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
6244 * tree-ssa-loop-ivcanon.c: Fix documentation.
6245 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
6246 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
6247 (infer_loop_bounds_from_undefined): New.
6248 (estimate_numbers_of_iterations_loop): Use
6249 infer_loop_bounds_from_undefined.
6250 (used_in_pointer_arithmetic_p): New.
6251 (scev_probably_wraps_p): Pass an extra parameter. Call
6252 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
6253 (convert_step): Fix documentation.
6254 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
6255 Use initial_condition_in_loop_num and evolution_part_in_loop_num
6256 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
6257 scev_probably_wraps_p.
6259 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
6261 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
6262 (s390_register_info): Ignore clobbered_regs information for fixed
6263 registers, and only fixed registers.
6264 (s390_init_frame_layout): Remove redundant call.
6266 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
6268 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
6269 description of -Wold-style-casts.
6271 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6272 Jakub Jelinek <jakub@redhat.com>
6274 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6275 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
6276 * config/s390/s390.c (print_operand): New output modifier 'G' added.
6277 (get_thread_pointer): Renamed to s390_get_thread_pointer.
6278 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
6279 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
6280 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
6281 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6282 ("stack_protect_set", "stack_protect_test"): New expanders.
6283 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
6284 "stack_protect_testdi"): New insn definitions.
6286 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6288 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
6290 2005-08-12 Paul Brook <paul@codesourcery.com>
6292 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
6294 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6296 * config/s390/predicates.md (setmem_operand): New predicate.
6297 (shift_count_operand): Accept ANDs with special constants as
6299 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
6300 with special constants.
6301 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
6302 shift_count_operand with setmem_operand.
6304 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6306 * config/s390/s390.c (s390_extract_part, s390_single_part):
6308 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
6309 (s390_output_mi_thunk): Don't use lg on 31 bit.
6310 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
6311 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
6313 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6315 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
6316 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
6317 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
6318 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
6319 with one of the new macros.
6321 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6323 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
6324 Don't set save_return_addr_p.
6325 (s390_register_info): Make clobbered_regs not depending on
6328 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
6330 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
6331 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
6333 2005-08-11 James E. Wilson <wilson@specifix.com>
6335 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
6337 2005-08-11 Jakub Jelinek <jakub@redhat.com>
6339 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
6340 locations gathered by var-tracking in single entry loc_list
6341 over loc_descriptor_from_tree.
6343 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
6344 pass it down to loc_descriptor.
6345 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
6346 (containing_function_has_frame_base): Move earlier in the file.
6347 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
6348 instead of always assuming fbreg can't be used.
6350 2005-08-11 David Edelsohn <edelsohn@gnu.org>
6352 * config/rs6000/altivec.md: Change constraint "m" to "Z".
6353 * config/rs6000/predicates.md (indexed_or_indirect_operand):
6354 Accept address wrapped in AND for Altivec.
6355 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6356 Strip AND wrapping offset address for Altivec.
6358 2005-08-11 Richard Henderson <rth@redhat.com>
6361 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
6362 before using TYPE_IS_SIZETYPE.
6364 2005-08-11 Richard Henderson <rth@redhat.com>
6367 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
6368 insn types not present on ev4.
6369 (alphaev5_insn_pipe): Similarly.
6371 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
6374 * arm.c (arm_override_options): If the user has selected callee-super-
6375 interworking, then enable normal interworking.
6377 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6379 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
6382 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
6384 * doc/rtl.texi: Fix two typos.
6386 2005-08-11 Richard Guenther <rguenther@suse.de>
6389 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
6390 cases where we call to/from functions returning void.
6392 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
6395 * tree.c (build_pointer_type_for_mode): Robustify.
6397 2005-08-10 James E Wilson <wilson@specifix.com>
6399 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
6400 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
6402 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
6405 2005-08-10 Eric Christopher <echristo@apple.com>
6407 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
6408 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
6411 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
6414 * config/darwin.c (machopic_indirect_data_reference): Use a new register
6415 for the high part when generating dynamic-no-pic code.
6417 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
6419 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
6420 (x86_64-*-linux*): Likewise.
6422 * config/i386/crtfastmath.c: New file.
6423 * config/i386/t-crtfm: Likewise.
6425 * config/i386/linux.h (ENDFILE_SPEC): New.
6426 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
6428 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
6431 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
6433 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
6434 (vec_shl, vec_shr): Document new operations.
6435 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
6437 2005-08-10 David Edelsohn <edelsohn@gnu.org>
6439 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
6440 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
6441 change predicate to indexed_or_indirect_address.
6443 2005-08-10 Richard Sandiford <richard@codesourcery.com>
6445 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
6446 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
6447 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
6448 and __aeabi_uwrite8.
6449 * config/arm/unaligned-funcs.c: New file.
6450 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
6452 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
6454 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
6456 * cfglayout.c (pass_insn_locators_initialize): Add dump.
6457 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
6459 * except.c (pass_convert_to_eh_region_ranges): Add dump.
6460 * final.c (pass_shorten_branches): Add dump.
6461 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
6462 (pass_life): Rename dump.
6463 (rest_of_handle_flow2): Remove initial verify_flow_info.
6464 * function.c (pass_instantiate_virtual_regs): Add dump.
6465 * integrate.c (pass_initial_value_sets): Add dump.
6466 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
6467 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
6468 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
6469 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
6470 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
6471 gate_rtl_unrool_and_peel_loops): New.
6472 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
6473 rtl_doloop): Do not look at flags.
6474 * mode-switching.c (pass_mode_switching): Add dump.
6475 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
6476 pass_split_before_regstack): Add dump.
6477 * regmove.c (pass_stack_adjustments): Add dump.
6478 * tree-optimize.c (pass_fixup_cfg): Add dump.
6480 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6483 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
6484 deciding which instruction sequence to use.
6486 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
6488 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
6489 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
6491 2005-08-09 Richard Guenther <rguenther@suse.de>
6493 * c-common.c (builtin_function_2): Remove.
6494 (def_builtin_1): New function.
6495 (c_common_nodes_and_builtins): Use def_builtin_1 to
6496 build builtin functions.
6498 2005-08-09 Jie Zhang <jie.zhang@analog.com>
6500 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
6501 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6502 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
6505 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
6507 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
6508 fold_binary instead of fold_build2 since we don't care about the
6510 (loop_niter_by_eval): Likewise.
6511 (compare_trees): Likewise.
6512 (proved_non_wrapping_p): Likewise.
6514 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
6518 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
6519 if the if is really empty.
6521 2005-08-09 Steven Bosscher <stevenb@suse.de>
6523 PR tree-optimization/23234
6524 * tree-ssa-math-opts.c (place_reciprocal): New enum.
6525 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
6526 argument of the new enum.
6527 (execute_cse_reciprocals): Add reciprocals for function arguments
6528 on the unique successor edge of the entry block. Update other calls
6529 to execute_cse_reciprocals_1.
6531 2005-08-08 Richard Henderson <rth@redhat.com>
6534 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
6536 2005-08-08 Bob Wilson <bob.wilson@acm.org>
6538 * expr.c (write_complex_part): Return after handling MEM.
6540 2005-08-08 Josh Conner <jconner@apple.com>
6542 PR rtl-optimization/23241
6543 * combine.c (simplify_comparison): Fix error in determining
6544 whether to lift a subreg from comparison.
6546 2005-08-08 David Edelsohn <edelsohn@gnu.org>
6549 * config/rs6000/altivec.md (vec_init<mode>): New.
6550 (vec_set<mode>): New.
6551 (vec_extract<mode>): New.
6552 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
6553 (rs6000_expand_vector_set): New.
6554 (rs6000_expand_vector_extract): New.
6555 (rs6000_legitimate_offset_address_p): Offset addresses are valid
6556 for Altivec modes before reload.
6557 (altivec_expand_vec_init_builtin): New.
6558 (get_element_number): New.
6559 (altivec_expand_vec_set_builtin): New.
6560 (altivec_expand_vec_ext_builtin): New.
6561 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
6563 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
6565 * config/rs6000/rs6000.h (rs6000_builtins): Add
6566 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
6567 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
6568 * config/rs6000/rs6000-protos.h: Declare new functions.
6570 2005-08-08 Jan Hubicka <jh@suse.cz>
6572 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
6573 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
6574 * i386.md (movdi*): Use pic_32bit_operand.
6575 * predicates.md (pic_32bit_operand): New.
6577 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
6580 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
6582 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
6584 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
6585 (test_for_singularity): Use fold_build2.
6587 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6589 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
6591 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
6593 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6594 (COMMON_ASM_OP) Define.
6595 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
6596 (ix86_encode_section_info): Likewise.
6597 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
6598 SUBTARGET_ENCODE_SECTION_INFO.
6600 2005-08-06 Richard Henderson <rth@redhat.com>
6603 * tree-nested.c (convert_local_reference): Save and restore val_only
6604 around component_ref and friends. Clear walk_subtrees by default.
6606 2005-08-06 Peter O'Gorman <peter@pogma.com>
6609 * gcc.c (process_command): Check the argument to -b has a dash.
6610 * doc/invoke.texi: Update -b and -V docs.
6612 2005-08-06 James E Wilson <wilson@specifix.com>
6614 * config/mips/cross64.h, config/mips/t-cross64: Delete.
6616 2005-08-06 Michael Matz <matz@suse.de>
6618 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
6619 member only if only one insn is associated with the value.
6621 2005-08-06 Nick Clifton <nickc@redhat.com>
6623 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
6625 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
6626 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
6627 Check symbol flags instead of symbol name mangling.
6628 (xstormy16_asm_output_aligned_common): Likewise. Also
6629 simplify code since the bss100_section cass is the only case
6630 where the below100 code will be triggered.
6631 (xstormy16_encode_section_info): Encode below100 attribute
6632 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
6634 (xstormy16_strip_name_encoding): Delete - this function is no
6636 (TARGET_STRIP_NAME_ENCODING): Undefine.
6637 * config/stormy16/stormy16-protos.h: Delete prototype for
6638 xstormy16_strip_name_encoding.
6640 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
6642 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
6643 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
6644 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
6645 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
6646 config/alpha/predicates.md, config/arc/arc.h,
6647 config/arm/arm.h, config/arm/ieee754-df.S,
6648 config/arm/ieee754-sf.S, config/bfin/bfin.c,
6649 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
6650 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
6651 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
6652 config/m68hc11/m68hc11.h, config/mips/mips.c,
6653 config/mips/mips.h, config/mips/openbsd.h,
6654 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
6655 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
6656 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6657 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
6658 config/sparc/linux.h, config/sparc/linux64.h,
6659 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
6660 doc/extend.texi, doc/gcov.texi, doc/install.texi,
6661 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
6662 typos. Follow spelling conventions.
6664 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
6667 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
6668 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
6669 specially. Check for side effects only for COND_EXPR.
6670 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
6671 return with TREE_NO_WARNING.
6673 2005-08-06 Richard Sandiford <richard@codesourcery.com>
6675 PR rtl-optimization/23233
6676 * loop.c (combine_movables): Require the modes to be the same.
6677 (move_movables): Remove handling of cases where the replacement
6678 had a different mode to the original.
6680 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
6682 PR tree-optimization/23128
6683 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
6684 subtraction wrap, and set TREE_OVERFLOW if they do.
6686 2005-08-05 Richard Henderson <rth@redhat.com>
6689 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
6690 FORCED_LABEL labels.
6692 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
6695 * reload.c (find_reloads_subreg_address): Pass down TYPE
6696 unchanged. Change all callers except find_reloads_toplev.
6698 2005-08-05 Michael Matz <matz@suse.de>
6700 * genattrtab.c (current_alternative_string): Remove.
6701 (SIMPLIFY_ALTERNATIVE): Ditto.
6702 (attr_alt_bit_p): Ditto.
6703 (alternative_name): Make const char *.
6704 (evaluate_eq_attr): Remove use of above things.
6705 (simplify_test_exp): Ditto.
6706 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
6707 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
6709 2005-08-04 James E Wilson <wilson@specifix.com>
6711 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
6712 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
6713 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
6714 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
6715 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
6717 2005-08-04 Richard Henderson <rth@redhat.com>
6720 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
6721 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
6722 * tree-sra.c (decide_block_copy): Use it. Disable element copy
6723 if we'd have to instantiate too many members.
6725 2005-08-04 Richard Henderson <rth@redhat.com>
6728 * tree-outof-ssa.c (coalesce_asm_operands): New.
6729 (coalesce_ssa_name): Use it. Split out ...
6730 (coalesce_phi_operands, coalesce_result_decls): ... these.
6732 2005-08-04 Paul Brook <paul@codesourcery.com>
6734 * read-rtl.c (read_quoted_string): Break if EOF.
6736 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
6738 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
6739 (fold_build2): Likewise.
6740 (fold_build3): Likewise.
6741 (fold_build1_stat): New function prototype.
6742 (fold_build2_stat): Likewise.
6743 (fold_build3_stat): Likewise.
6744 * fold-const.c (fold_build1): Rename to ..
6745 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6746 through to build1_stat.
6747 (fold_build2): Rename to ..
6748 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6749 through to build2_stat.
6750 (fold_build3): Rename to ..
6751 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6752 through to build3_stat.
6754 2005-08-04 David Edelsohn <edelsohn@gnu.org>
6755 Ian Lance Taylor <ian@airs.com>
6757 * function.c (assign_stack_local_1): Do not correct stack slot
6758 address if allocation size is smaller than mode size.
6760 2005-08-04 Diego Novillo <dnovillo@redhat.com>
6763 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
6764 (tree_merge_blocks): Propagate anything allowed by
6766 Clarify documentation.
6767 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
6768 SSA form, schedule an update if necessary.
6770 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
6772 * doc/install.texi (Binaries): Remove broken link to
6773 Sinix/Reliant Unix binaries.
6775 2005-08-03 Richard Henderson <rth@redhat.com>
6778 * function.c (stack_protect_epilogue): Export.
6779 * tree.h (stack_protect_epilogue): Declare.
6780 * calls.c (expand_call): Call it.
6782 2005-08-03 Eric Christopher <echristo@apple.com>
6784 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
6785 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
6788 2005-08-04 Jan Hubicka <jh@suse.cz>
6790 * profile.c (branch_prob): Split edges with goto locus on them
6791 to get proper line counts.
6792 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
6794 2005-08-03 Paul Brook <paul@codesourcery.com>
6796 * function.c (assign_parms): Round current_function_args_size
6797 to PARM_BOUNDARY, not STACK_BOUNDARY.
6799 2005-08-03 Geoffrey Keating <geoffk@apple.com>
6801 * config/i386/i386.c (x86_elf_aligned_common)
6802 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
6804 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
6806 PR tree-optimization/23157
6807 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
6808 before emitting them.
6810 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6812 PR tree-optimization/19899
6813 * Makefile.in (tree-scalar-evolution.o): Add real.h.
6814 * tree-scalar-evolution.c: Include real.h.
6815 (add_to_evolution): Build constant -1 of correct type.
6817 2005-08-03 Jan Hubicka <jh@suse.cz>
6819 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
6820 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
6821 profile updating for complette unrolling.
6822 * loop-unroll.c (peel_loop_completely): Use it.
6823 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
6824 (tree_unroll_loops_completely): Disable code growing unrolling of cold
6827 2005-08-03 Paul Brook <paul@codesourcery.com>
6829 * combine.c (can_change_dest_mode): New function.
6830 (try_combine, simplify_set): Use it.
6832 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
6834 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
6837 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
6839 * doc/install.texi (Specific): Adjust link to openavr.org.
6840 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
6841 (Binaries): Adjust HP-UX Porting Center link.
6842 (Binaries): Adjust Free Software Foundation ordering link.
6844 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
6846 * convert.c (convert_to_integer): Use fold_build1 instead of
6847 build1 when converting an integer to an integer.
6849 2005-08-02 Richard Henderson <rth@redhat.com>
6851 * combine.c (combine_instructions): Don't use reg_equal/equiv
6852 results if the mode doesn't match.
6854 2005-08-02 Mark Mitchell <mark@codesourcery.com>
6856 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
6857 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
6859 2005-08-02 Richard Henderson <rth@redhat.com>
6862 * explow.c (memory_address): Remove special-case for
6863 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
6865 2005-08-02 Diego Novillo <dnovillo@redhat.com>
6868 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
6869 number of calls to cleanup_tree_cfg_1.
6871 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
6873 * doc/invoke.texi: document file extensions .F90 and .F95
6875 2005-08-02 Richard Guenther <rguenther@suse.de>
6877 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
6878 positive if its first argument is positive.
6880 2005-08-02 Richard Guenther <rguenther@suse.de>
6882 PR tree-optimization/23177
6883 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
6886 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
6888 PR tree-optimization/23129
6889 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
6890 varying for divisions with anti-ranges.
6892 2005-08-02 Jan Hubicka <jh@suse.cz>
6894 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
6895 * tree-ssa-threadupdate.c (thread_block): Add it here.
6897 2005-08-01 James E Wilson <wilson@specifix.com>
6899 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
6900 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
6901 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
6903 * config/mips/predicates.md (const_call_insn_operand): Add check for
6904 SYMBOL_REF_LONG_CALL_P.
6905 * doc/extend.texi (long_call): Document the new attribute.
6907 2005-08-01 Ian Lance Taylor <ian@airs.com>
6908 Richard Henderson <rth@redhat.com>
6910 * Makefile.in (RTL_BASE_H): Add real.h.
6911 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6913 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
6915 * rtl.c (rtl_check_failed_code_mode): New.
6916 * rtl.h (struct rtx_def): Add u.rv.
6917 (XCMWINT, XCNMPRV): New.
6918 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
6919 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
6921 2005-08-01 Richard Henderson <rth@redhat.com>
6923 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
6924 with auto-inc codes.
6926 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
6928 2005-08-01 Jan Hubicka <jh@suse.cz>
6930 * i386-protos.h (asm_preferred_eh_data_format): Declare.
6931 * i386.c: Include dwarf2.h
6932 (asm_preferred_eh_data_format): New.
6933 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
6935 2005-08-01 Ian Lance Taylor <ian@airs.com>
6937 * config/host-linux.c (linux_gt_pch_get_address): Add new name
6938 randomize_va_space for virtual address randomization control.
6940 2005-08-01 Steven Bosscher <stevenb@suse.de>
6942 * common.opt (flag_ipa_cp): Put in right place to maintain
6945 2005-08-01 Jan Hubicka <jh@suse.cz>
6947 * profile.c (compute_value_histograms): Fix thinko.
6948 * value-prof.c: Include toplev.h
6949 (check_counter): New function.
6950 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
6951 tree_mod_subtract_transform): Add sanity check.
6953 2005-08-01 Richard Guenther <rguenther@suse.de>
6955 PR tree-optimization/23133
6956 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
6957 current functions parameter decls to find defs to cse
6960 2005-08-01 Richard Guenther <rguenther@suse.de>
6962 PR tree-optimization/23109
6963 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
6964 If trapping math is in effect, use post-dominator information
6965 to check if we'd in any case reach a trapping point before
6966 doing the reciprocal insertion.
6967 (execute_cse_reciprocals): Compute post-dominators, if necessary.
6968 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
6969 expressions are invariant only if trapping math is not in effect.
6971 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
6973 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
6974 cgraph_function_versioning): New declarations.
6975 * cgraphunit.c: Add include to ipa-prop.h.
6976 (update_call_expr, cgraph_copy_node_for_versioning,
6977 cgraph_function_versioning): New functions.
6978 * integrate.c (copy_decl_for_inlining): Remove.
6979 * ipa-prop.h (ipa_replace_map): New struct.
6980 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
6981 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
6982 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
6983 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
6984 ipcp_iterate_stage, ipcp_method_scale_print,
6985 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
6986 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
6987 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
6988 ipcp_update_bb_counts, ipcp_update_profiling,
6989 ipcp_update_edges_counts): New functions.
6990 (ipcp_method_cval_init): Remove restriction regarding local methods.
6991 (ipcp_init_stage): Add ipcp_method_compute_scale.
6992 (ipcp_insert_stage): Add versioning.
6993 (ipcp_structures_print): Add ipcp_method_scale_print.
6994 (ipcp_driver): Dump profiling info.
6995 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
6996 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
6997 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
6998 (struct inline_data): Add versioning_p, ipa_info, new fields.
6999 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
7000 declare_return_variable): Replace calls to copy_decl_for_inlining with
7002 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
7004 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
7005 Add argument VERSIONING.
7006 (copy_arguments_for_versioning, copy_static_chain,
7007 function_versionable_p, tree_versionable_function_p,
7008 tree_function_versioning, replace_ref_tree): New functions.
7009 * tree-inline.h: Include varray.h.
7010 (tree_versionable_function_p, tree_function_versioning,
7011 tree copy_decl_for_dup): New declarations.
7013 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
7015 * ipa-cp.c: New file. Contains IPCP specific functionality.
7016 * ipa-prop.h: New file. Contains structures/definitions that can be
7017 used by several interprocedural data flow optimizations (and also IPCP).
7018 * ipa-prop.c: New file.
7019 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
7020 * common.opt: Add ipa-cp flag.
7021 * timevar.def: Add IPCP optimization.
7022 * tree-optimize.c (init_tree_optimization_passes): Schedule
7024 * tree-pass.h (pass_ipa_cp): Declare.
7026 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
7028 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
7029 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
7030 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
7031 config/i386/i386.c, config/mips/mips.h,
7032 config/rs6000/rs6000.h, config/sh/sh.c,
7033 config/stormy16/stormy16.c: Fix comment typos.
7035 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
7038 * c-typeck.c (build_binary_op): Use common_type wrapper on
7040 (common_type): Update comment.
7042 2005-07-31 Steven Bosscher <stevenb@suse.de>
7045 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
7046 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
7047 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
7049 2005-07-31 Jan Hubicka <jh@suse.cz>
7051 * pretty-print.h (pp_widest_integer): New macro.
7052 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
7055 2005-07-31 Jan Hubicka <jh@suse.cz>
7057 * output.h (enum section_category): Export from varasm.c
7058 (categorize_decl_for_section): Likewise.
7059 * varasm.c (enum section_category): Kill.
7060 (categorize_decl_for_section): Make global.
7061 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
7063 * i386.c (ix86_section_threshold): New static variable.
7064 (ix86_in_large_data_p, ix86_encode_section_info,
7065 x86_64_elf_unique_section,
7066 x86_64_elf_select_section): New functions.
7067 (TARGET_ENCODE_SECTION_INFO): Define
7068 (override_options): Enable medium model for PIC.
7069 (ix86_expand_prologue): Expand gen_set_got_rex64.
7070 (legitimate_constant_p): Handle new UNSPECs.
7071 (legitimate_pic_address_disp_p): Likewise.
7072 (legitimize_pic_address): Lower MEDIUM model addressing.
7073 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
7074 (enum cmodel): Add MEDIUM_PIC.
7075 (SYMBOL_REF_FAR_ADDR_P): New macro.
7076 (SYMBOL_FLAG_FAR_ADDR): New flag.
7077 * i386.md (movdi): Support medium model.
7078 (set_got_rex64): New pattern.
7079 * i386.opt (mlarge-data-threshold): New flag.
7080 * predicates.md (zext_operand/sext_operand): Deal with medium model.
7081 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
7082 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
7083 TARGET_ASM_UNIQUE_SECTION): New.
7085 * invoke.texi (-mlarge_data_threshold): Document
7087 2005-07-31 Jan Hubicka <jh@suse.cz>
7089 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
7090 (coalesce_vars): Likewise.
7091 * tree-ssa-live.c (coalesce_cost): New.
7092 (build_tree_conflict_graph): Use coalesce_cost.
7093 * tree-ssa-live.h (coalesce_cost): Declare.
7095 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
7097 * arm.md (all peepholes for post-increment operations): Delete.
7098 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
7099 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
7100 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
7101 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
7102 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
7104 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
7106 * fold-const.c (tree_expr_nonnegative_p): Always return true for
7109 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
7112 * doc/invoke.texi: Document -rdynamic.
7114 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
7117 * c-parser.c (c_parser_parms_list_declarator): Call
7118 mark_forward_parm_decls.
7119 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
7120 decls with visibility structure.
7122 2005-07-30 Paul Brook <paul@codesourcery.com>
7124 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
7126 2005-07-30 Paul Brook <paul@codesourcery.com>
7128 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
7130 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
7132 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
7134 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7137 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
7138 nested function declarators.
7139 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
7140 (grokparms): Call warn_if_shadowing for parameters used within the
7142 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
7143 not used within the parameter list.
7144 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
7146 2005-07-30 Jan Hubicka <jh@suse.cz>
7148 * expr.c (expand_expr_real_1): Do not load mem targets into register.
7149 * i386.c (ix86_fixup_binary_operands): Likewise.
7150 (ix86_expand_unary_operator): Likewise.
7151 (ix86_expand_fp_absneg_operator): Likewise.
7152 * optabs.c (expand_vec_cond_expr): Validate dest.
7154 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7157 * real.c (real_from_string): Also set last bit if there is a
7158 nonzero hex digit beyond GCC's internal precision after ".".
7160 2005-07-29 David Edelsohn <edelsohn@gnu.org>
7162 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
7163 define_constants. Change duplicate values to unassigned numbers.
7164 Change UNSPEC_SUBS to UNSPEC_VSUBS.
7165 (*altivec_vspltsf): New.
7166 (altivec_vperm_v4sf): Delete.
7167 (altivec_vperm_<mode>): Use mode macro V.
7168 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
7169 (altivec_predicate_v4sf): Delete.
7170 (altivec_predicate_<mode>): Use mode macro V.
7171 (*altivec_lvesfx): New.
7172 (*altivec_stvesfx): New.
7173 (vec_realign_load_v4sf): Delete.
7174 (vec_realign_load_<mode>): Use mode macro V.
7175 * config/rs6000/rs6000.c (generate_set_vrsave): Use
7178 2005-07-29 Mark Mitchell <mark@codesourcery.com>
7181 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
7183 * configure: Regenerated.
7185 2005-07-29 Paul Brook <paul@codesourcery.com>
7187 * doc/install.texi: Add link to GFortran binaries wiki page.
7189 2005-07-29 David Ung <davidu@mips.com>
7191 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
7192 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
7193 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
7194 * config/mips/mips.md (cpu): Add 5kf name.
7195 (includes): Includes 5k.md.
7196 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
7197 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
7200 2005-07-29 Diego Novillo <dnovillo@redhat.com>
7203 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
7204 (cleanup_tree_cfg): ... here.
7205 Call cleanup_tree_cfg_1 until there are no more cleanups to
7208 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
7210 * tree-vrp.c (compare_range_with_value): Return true or false
7211 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
7212 EQ_EXPR respectively.
7214 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
7216 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
7219 2005-07-29 Diego Novillo <dnovillo@redhat.com>
7221 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
7222 (tree_ssa_dominator_optimize): Increment it.
7223 (dump_dominator_optimization_stats): Print it.
7225 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
7226 Steven Bosscher <stevenb@suse.de>
7228 PR rtl-optimization/23117
7229 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
7230 when head == tail. Tidy comment.
7232 2005-07-28 Richard Henderson <rth@redhat.com>
7234 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
7235 * cselib.c (rtx_equal_for_cselib_p): Likewise.
7236 * jump.c (rtx_renumbered_equal_p): Likewise.
7237 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
7238 CONST_INT and CONST_DOUBLE.
7239 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
7240 * reload.c (operands_match_p): Special case CONST_INT and
7241 CONST_DOUBLE; check mode earlier.
7243 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7246 * c-typeck.c (convert_for_assignment): Do not check
7247 DECL_IN_SYSTEM_HEADER on NULL fundecl.
7249 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7252 * c-typeck.c (composite_type): Prefer constant size arrays to
7255 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7258 * real.c (real_from_string): Set last bit if there is a nonzero
7259 hex digit beyond GCC's internal precision.
7261 2005-07-28 Richard Henderson <rth@redhat.com>
7264 * cfgcleanup.c (try_forward_edges): Watch out for end of
7267 2005-07-28 James E Wilson <wilson@specifixinc.com>
7270 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
7272 2005-07-28 Jan Hubicka <jh@suse.cz>
7274 * Makefile.in (rtl-profile.o): Kill all traces of it.
7275 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
7276 * coverage.h (rtl_coverage_counter_ref): Kill.
7277 * opts.c (flag_speculative_prefetching_set): Kill.
7278 (flag_loop_optimize_set): New.
7279 (common_handle_option): Disable loop optimizer when profiling;
7280 do not handle speculative prefetching.
7281 * passes.c (init_optimization_passes): Replace pass_profiling combo
7282 by branch_prob pass.
7283 * profile.c (compute_value_histograms): Update for simplified value
7285 (rtl_register_profile_hooks): Kill.
7286 (pass_profiling): Kill.
7287 (rest_of_handle_branch_prob): Do not profile.
7288 * toplev.c (process_options): Remove speculative prefetching.
7289 * toplev.h (flag_tree_based_profiling): Kill.
7290 * tree-profile.c (prepare_instrumented_value,
7291 tree_gen_interval_profiler, tree_gen_pow2_profiler,
7292 tree_gen_one_value_profiler, do_tree_profiling): Update for
7293 simplified datastructures.
7294 * value-prof.c: Add comment that speculative prefetching was dropped;
7295 update rest of file for simplified datastructures.
7296 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
7297 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
7298 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
7299 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
7300 rtl_mod_subtract, gen_speculative_prefetch,
7301 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
7302 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
7303 (gate_handle_value_profile_transformations,
7304 rest_of_handle_value_profile_transformations,
7305 pass_value_profile_transformations): Kill.
7306 * value-prof.h (histogram_value_t): Remove IL based unions.
7307 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
7308 rtl_profile_hooks): Remove hooks.
7310 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
7312 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
7313 (cgraph_clone_node): Likewise.
7314 * cgraph.h (cgraph_clone_edge): Update prototype.
7315 (cgraph_clone_node): Likewise.
7316 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
7318 (lookup_recursive_calls): Consider profile.
7319 (cgraph_decide_recursive_inlining): Fix updating; use new
7320 probability argument; use profile.
7321 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
7322 * tree-inline.c (copy_bb): Update clal of clone_edge.
7323 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
7325 * invoke.texi (min-inline-recursive-probability): Document.
7327 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
7329 * doc/install.texi (Configuration): Update Valgrind homepage.
7331 2005-07-28 Richard Henderson <rth@redhat.com>
7334 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
7335 labels we want to delete.
7336 (cfg_layout_merge_blocks): Likewise.
7338 2005-07-28 Richard Henderson <rth@redhat.com>
7341 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
7342 when expanding to nothing.
7344 2005-07-28 Josh Conner <jconner@apple.com>
7346 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
7347 (cgraph_decide_inlining_of_small_functions): Likewise.
7349 2005-07-28 Josh Conner <jconner@apple.com>
7351 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
7352 direction of badness if negative.
7353 (cgraph_default_inline_p): Add reason to parameters, and assign it
7355 (cgraph_decide_inlining_of_small_functions): New parameter in call
7356 to cgraph_default_inline_p.
7357 (cgraph_decide_inlining_incrementally): Likewise.
7358 * cgraphunit.c (decide_is_function_needed): Likewise.
7359 * cgraph.h (cgraph_default_inline_p): Likewise.
7361 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7363 * builtins.c: Fix comment typo(s).
7364 * genautomata.c: Likewise.
7365 * gimplify.c: Likewise.
7366 * tree-dfa.c: Likewise.
7367 * tree-flow-inline.h: Likewise.
7368 * tree-into-ssa.c: Likewise.
7369 * tree-ssa-alias.c: Likewise.
7370 * tree-ssa-ccp.c: Likewise.
7371 * tree-ssa-copy.c: Likewise.
7372 * tree-ssa-dce.c: Likewise.
7373 * tree-ssa-dom.c: Likewise.
7374 * tree-ssa-operands.c: Likewise.
7375 * tree-tailcall.c: Likewise.
7376 * tree-vectorizer.c: Likewise.
7377 * tree-vrp.c: Likewise.
7380 2005-07-28 Jeff Law <law@redhat.com>
7382 * tree-vrp.c (test_for_singularity): Extracted from ...
7383 (simplify_cond_using_ranges): Attempt to simplify a relational
7384 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
7386 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
7388 PR tree-optimization/22506
7389 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
7390 phis whose argument is constant.
7392 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
7394 PR rtl-optimization/18992
7395 Back out this patch:
7396 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7397 PR optimization/12142
7398 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
7399 uses of the register in the SET_SRC. Remove unnecessary argument.
7401 Replace it with this:
7402 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
7403 if flag_non_call_exceptions is set and the insn may trap, pass
7404 pc_rtx as dest for recursion.
7405 In SET_SRC part of SET case, if dest is already set, pass it down
7408 2005-07-28 Jan Hubicka <jh@suse.cz>
7410 * cfg.c (update_bb_profile_for_threading): Use RDIV.
7411 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
7412 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
7414 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
7415 profile when available.
7417 2005-07-28 Jan Beulich <jbeulich@novell.com>
7419 * config/ia64/ia64.c (ia64_load_pair_ok): New.
7420 (ia64_print_operand): Describe and handle 'X'.
7421 (ia64_register_move_cost): Also handle FP_REGS.
7422 (ia64_preferred_reload_class): Likewise.
7423 (ia64_secondary_reload_class): Likewise.
7424 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
7425 it. Also check for ITANIUM_CLASS_FLDP.
7426 * config/ia64/ia64.h (FP_REGNO_P): New.
7427 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
7428 (reg_class): Add FP_REGS.
7429 (REG_CLASS_NAMES): Adjust for it.
7430 (REG_CLASS_CONTENTS): Likewise.
7431 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
7432 (REG_CLASS_FROM_LETTER): Handle 'x'.
7433 (CLASS_MAX_NREGS): Handle FP_REGS.
7434 (MEMORY_MOVE_COST): Likewise.
7435 * config/ia64/ia64.md (itanium_class): Add fldp.
7436 (type): Handle fldp.
7437 (movti_internal): More allowable operand combinations. Use ldfp8 when
7438 splitting unnecessary. Remove predicable attribute. Adjust
7439 itanium_class attribute.
7440 (smuldi3_highpart): Remove outdated comment.
7441 (mulditi3, umulditi3, rotlti3): New expanders.
7442 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
7443 (absti2): Disabled new insn for future reference.
7444 Respective new splitters.
7445 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
7446 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
7447 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
7449 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
7451 PR rtl-optimization/23047
7452 * simplify-rtx.c (simplify_const_relational_operation): Respect
7453 flag_wrapv for comparisons with ABS.
7455 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
7457 PR tree-optimization/22493
7458 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
7459 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
7461 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
7463 * config/frv/frv.opt (moptimize-membar): New.
7465 * doc/invoke.texi: Document -moptimize-membar and its inverse.
7467 * config/frv/frv.h: Remove machine_function definition.
7469 * config/frv/frv.c (struct frv_io): New.
7470 (struct machine_function): Moved from frv.h. Add has_membar_p.
7471 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
7472 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
7473 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
7474 (frv_optimize_membar_global, frv_optimize_membar): New functions.
7475 (frv_reorg): Call frv_optimize_membar when appropriate.
7476 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
7477 (frv_expand_builtin): Adjust calls accordingly.
7478 (frv_io_address_cookie): New function.
7479 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
7480 load or store rather than a special insn. Add ccnstant address and
7481 io-type operands to the membar.
7482 (frv_ifcvt_modify_tests): Unsign regno.
7483 (frv_ifcvt_modify_tests): Same.
7485 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
7486 UNSPEC_OPTIONAL_MEMBAR constant.
7487 (builtin_read_<mode>): Delete.
7488 (builtin_write_<mode>): Delete.
7489 ("optional_membar_<mode>"): Add operand.
7491 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
7492 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
7493 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
7494 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
7495 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
7496 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
7497 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
7498 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
7499 * testsuite/gcc.target/frv/all-read-write-1.c: New.
7501 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
7503 * df.c (df_uses_record): Handle SCRATCH.
7505 2005-07-28 Steven Bosscher <stevenb@suse.de>
7508 * passes.c (rest_of_decl_compilation): If decl is a type and
7509 we have encountered errors, don't emit debug information.
7511 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7513 * params.def: Fixed comment.
7515 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
7518 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
7519 (TARGET_ASM_UNALIGNED_HI_OP): Add.
7520 (TARGET_ASM_UNALIGNED_SI_OP): Add.
7522 2005-07-27 Steven Bosscher <stevenb@suse.de>
7525 * varasm.c (assemble_start_function): Don't do anything that may
7526 require a CFG if the current function is a thunk.
7528 2005-07-25 Geoffrey Keating <geoffk@apple.com>
7530 * doc/install.texi (Prerequisites): Mention that perl is needed
7531 to do export control in libstdc++ targetting Darwin.
7533 2005-07-27 Steven Bosscher <stevenb@suse.de>
7535 PR rtl-optimization/17808
7536 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
7537 (sched_insns_conditions_mutex_p): Split out from...
7538 (add_dependence): ...here. But don't call it from here.
7539 (add_dependence_list): Check sched_insns_conditions_mutex_p
7540 before calling add_dependence.
7541 (add_dependence_list_and_free): Likewise.
7542 (fixup_sched_groups): Likewise.
7543 (sched_analyze_1): Likewise.
7544 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
7545 (sched_analyze): Likewise.
7546 (sched_analyze_insn): Likewise.
7547 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
7548 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
7549 dependencies on all COND_EXEC insns to jumps ending basic blocks
7550 when doing intrablock scheduling.
7551 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
7553 2005-07-27 Jeff Law <law@redhat.com>
7555 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
7556 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
7557 equivalency sets, correctly handle the case were vr0 has an
7558 equivalency set, but vr1 does not.
7560 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
7562 PR tree-optimization/23073
7563 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
7564 vect_print_dump_info before fprintf.
7566 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7568 PR tree-optimize/22348
7569 * tree-ssa-loop-niter.c (number_of_iterations_cond):
7570 Fold the partial computation.
7572 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7574 PR tree-optimization/22325
7575 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
7577 * tree-scalar-evolution.c (scev_const_prop): Add generic final
7579 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
7580 (force_var_cost): ... this function.
7581 (compute_phi_arg_on_exit): Export.
7583 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7585 PR tree-optimization/20773
7586 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
7589 2005-07-27 Richard Guenther <rguenther@suse.de>
7591 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
7592 Avoid pushing again if current struct contains only
7593 fields we decomposed.
7595 2005-07-27 Jan Hubicka <jh@suse.cz>
7597 PR tree-optimization/22574
7598 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
7601 * tree-tailcall.c (decrease_profile): New function.
7602 (eliminate_tail_call): Use it.
7604 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
7605 visibility flags correctly in whole program mode.
7607 2005-07-26 Steve Ellcey <sje@cup.hp.com>
7609 PR rtl-optimization/22472
7610 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
7612 2005-07-26 Steven Bosscher <stevenb@suse.de>
7614 PR tree-optimization/22504
7615 * tree-complex.c (expand_complex_addition): Use 'code' instead
7616 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
7618 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7620 * config.gcc (cpu_type): Add frv case.
7621 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
7622 (supported_defaults): Add fr550 case.
7624 2005-07-26 Diego Novillo <dnovillo@redhat.com>
7627 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
7628 whether a pointer of type T * may point to objects of type T *.
7630 2005-07-26 DJ Delorie <dj@redhat.com>
7632 * configure: Regenerate.
7634 2005-07-26 Dale Johannesen <dalej@apple.com>
7636 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
7638 2005-07-26 Mark Mitchell <mark@codesourcery.com>
7640 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
7641 Clarify use of "build" in name.
7643 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7645 * doc/extend.texi (Raw read/write Functions): New section.
7646 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
7647 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
7648 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
7649 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
7650 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
7651 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
7652 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
7653 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
7654 * config/frv/frv.c: Add bdesc_loads global.
7655 Add bdesc_stores global.
7656 (frv_init_builtins): Add support for __builtin_{read/write}*.
7657 (frv_volatile_memref): New.
7658 (frv_expand_load_builtin): New.
7659 (frv_expand_store_builtin): New.
7660 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
7661 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
7662 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
7663 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
7664 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
7665 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
7666 (builtin_read_<mode>): New.
7667 (builtin_write_<mode>): New.
7668 (builtin_write64): New.
7669 (optional_membar_<mode>): New.
7671 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
7673 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
7674 (rather than units) against HOST_BITS_PER_WIDE_INT.
7676 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
7678 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
7679 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
7680 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
7681 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
7684 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
7685 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
7686 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
7688 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
7690 2005-07-26 Richard Guenther <rguenther@suse.de>
7692 PR tree-optimization/22486
7693 * fold-const.c (fold_unary): Fold away useless component
7694 references of the form (T *)&T.x, if the address
7697 2005-07-25 James E Wilson <wilson@specifixinc.com>
7699 * dwarf2out.c (add_call_src_coords_attributes): New.
7700 (gen_inlined_subroutine_die): Call it.
7701 (maybe_emit_file, init_file_table): Add comments.
7702 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
7704 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
7705 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
7706 * tree.h (BLOCK_SOURCE_LOCATION): New.
7707 (struct tree_block): New field locus.
7709 2005-07-26 Andreas Schwab <schwab@suse.de>
7711 PR rtl-optimization/23043
7712 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
7713 when allocating a struct unoccr.
7715 2005-07-25 Richard Henderson <rth@redhat.com>
7718 * tree-complex.c (gate_no_optimization): True if errors.
7719 * Makefile.in (tree-complex.o): Update dependencies.
7721 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
7723 * config/frv/predicates.md (integer_register_operand): Use
7726 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7729 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
7731 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
7733 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7735 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
7736 types when flag_unsafe_math_optimizations is true.
7738 2005-07-25 Mark Mitchell <mark@codesourcery.com>
7740 * gcc.c (option_map): Add --sysroot.
7741 (process_command): Handle --sysroot.
7742 (display_help): Document it.
7743 * doc/cppopts.tex (-isysroot): Document.
7744 * doc/invoke.texi (--sysroot): Document.
7745 * doc/install.texi (--with-build-sysroot): Document.
7747 * Makefile.in (inhibit_libc): New variable.
7748 (INHIBIT_LIBC_CFLAGS): Likewise.
7749 (LIBGCC2_CFLAGS): Include
7750 $(INHIBIT_LIBC_CFLAGS).
7751 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
7752 ($(T)crtbegin.o): Do not use @inhibit_libc@.
7753 ($(T)crtend.o): Likewise.
7754 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
7755 ($(T)crtendS.o): Likewise.
7756 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
7757 ($(T)crtendT.o): Likewise.
7758 (stmp-fixinc): Do not complain about missing headers if
7760 * configure.ac (inhibit_libc): Set it to true/false.
7761 (--with-build-sysroot): New option. Use it to set
7763 * configure: Regenerated.
7765 2005-07-25 Manfred Hollstein <mh@suse.com>
7767 * calls.c (store_one_arg): Fix unsigned comparison warning.
7769 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
7772 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
7773 (ggc_print_statistics): Initialize variable before use.
7775 2005-07-25 Richard Guenther <rguenther@suse.de>
7777 * tree-dfa.c (mark_new_vars_to_rename): Protect against
7778 calling with a PHI_NODE argument.
7780 * tree-flow-inline.h (overlap_subvar): Protect against
7783 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
7785 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
7786 * configure: Regenerate.
7788 2005-07-25 Ira Rosen <irar@il.ibm.com>
7790 * expr.c (highest_pow2_factor): Make extern.
7791 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
7792 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7793 record_array_differ_p, array_ptr_differ_p): Likewise.
7794 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
7795 additional cases. Call the above functions.
7796 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
7797 base_object_differ_p when there are two base objects. Otherwise, compare
7798 base address and offset. Call may_alias_p.
7799 (dump_data_reference): Use a correct field name.
7800 (analyze_array): Make static. Initialize new data-ref fields.
7801 (analyze_indirect_ref): New function.
7802 (init_data_ref): Initialize new data-ref fields.
7803 (strip_conversion): Moved from tree-vect-analyze.c.
7804 (analyze_offset_expr, get_ptr_offset, address_analysis,
7805 object_analysis): Likewise.
7806 (analyze_offset): New function.
7807 (create_data_ref): Likewise.
7808 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
7809 dimensions for ARRAY_REFs only.
7810 (build_classic_dist_vector): Make static.
7811 (access_functions_are_affine_or_constant_p): Call macro to get the
7812 address of access functions.
7813 (compute_all_dependences): Add new parameter
7814 compute_self_and_read_read_dependences. Compute self and read-read
7815 dependences if it is true.
7816 (find_data_references_in_loop): Call create_data_ref. Initialize new
7818 (compute_data_dependences_for_loop): Add new parameter
7819 compute_self_and_read_read_dependences. Remove parameter nb_loops,
7820 compute nb_loops. Call compute_all_dependences,
7821 build_classic_dist_vector and build_classic_dir_vector with correct
7823 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
7824 with correct parameters. Compare dimensions for ARRAY_REFs only.
7825 (free_data_refs): Call macro to free access functions.
7826 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
7827 fields from stmt_vinfo.
7828 (struct base_object_info): New structure.
7829 (struct data_reference): Move fields to base_object_info. Add fields
7830 first_location and object_info for above structures. Move fields from
7831 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
7832 aligned_to. Add macros to access the new fields.
7833 Update functions declarations.
7834 * tree-flow.h (is_aliased_with): Declare.
7835 * tree-loop-linear.c (linear_transform_loops): Call
7836 compute_data_dependences_for_loop with correct parameters.
7837 * tree-ssa-alias.c (is_aliased_with): New function.
7838 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
7839 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
7840 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
7841 vect_base_addr_differ_p, compute_subscript_distance and
7842 build_classic_dist_vector. Add printings. Check absolute value of
7844 (vect_analyze_data_ref_dependences): Go through ddrs instead of
7846 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
7847 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
7848 to bytes. Add printing.
7849 (vect_compute_data_refs_alignment): Go through loads and stores in one
7851 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
7852 vect_analyze_data_ref_access): Likewise.
7853 (vect_analyze_pointer_ref_access): Remove.
7854 (vect_address_analysis, vect_object_analysis): Likewise.
7855 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
7856 and analyze data-refs in the loop.
7857 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
7858 fields of data-ref instead of stmt. Add init to the offset from the
7860 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
7861 (vect_update_init_of_dr): Likewise.
7862 (vect_update_inits_of_drs): Go through loads and stores in one loop.
7863 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
7865 (new_loop_vec_info): Initialize new fields.
7866 (destroy_loop_vec_info): Free new fields.
7867 (vect_strip_conversion): Remove.
7868 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
7869 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7870 datarefs. Add new field ddrs.
7871 Add macros for the new fields access.
7872 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
7873 base_aligned_p, misalignment, memtag, ptr_info and subvars.
7874 Remove their macros.
7875 * tree.h (highest_pow2_factor): Declare.
7877 2005-07-25 Jakub Jelinek <jakub@redhat.com>
7879 * calls.c (store_one_arg): Check for sibling call MEM arguments
7880 from already clobbered incoming argument area.
7882 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7884 * c-common.c (check_missing_format_attribute): New.
7885 * c-common.h (check_missing_format_attribute): Likewise.
7886 * c-typeck.c (convert_for_assignment): Use it.
7888 2005-07-24 Andreas Schwab <schwab@suse.de>
7890 * config/m68k/m68k.md ("extendqidi2"): When source is an address
7891 register use a word move. Correct operand of ext.w in 68000 code.
7893 2005-07-23 Mark Mitchell <mark@codesourcery.com>
7895 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
7896 variables as declarations, rather than definitions.
7898 2005-07-24 Ira Rosen <irar@il.ibm.com>
7900 PR tree-optimization/22526
7901 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
7904 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7906 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
7907 that C99 reserve for future use. Use it to define clog10,
7908 clog10f and clog10l.
7910 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7912 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
7913 * configure.ac: Check for -Wmissing-format-attribute.
7915 * configure: Regenerate.
7917 2005-07-23 Richard Henderson <rth@redhat.com>
7919 PR tree-optimization/22623
7920 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
7922 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
7925 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
7927 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7929 * Makefile.in (C_TREE_H): Update dependencies.
7930 * c-tree.h: Include toplev.h.
7931 * diagnostic.h (diagnostic_set_info): Add format attribute.
7932 * rtl-error.c (diagnostic_for_asm): Likewise.
7934 2005-07-23 Chao-ying Fu <fu@mips.com>
7936 * config/mips/mips-dsp.md: New file.
7937 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
7938 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
7940 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
7941 MIPS_BUILTIN_BPOSGE32.
7942 (mips_expand_builtin_direct): Add one parameter to indicate that
7943 builtin functions need to return a value.
7944 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
7946 (mips_regno_to_class): Add classes for 12 new DSP registers.
7947 (mips_subword): Change to check four HI registers.
7948 (mips_output_move): Output move to and from 6 new DSP accumulators.
7949 (override_options): Make sure -mdsp and -mips16 are not used together.
7950 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
7952 (mips_conditional_register_usage): Disable 6 new DSP accumulators
7954 (print_operand): Add 'q' for printing DSP accumulators.
7955 (mips_cannot_change_mode_class): Check ACC_REGS.
7956 (mips_secondary_reload_class): Check ACC_REGS.
7957 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
7958 (mips_register_move_cost): Check ACC_REGS.
7959 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
7960 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
7961 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
7962 (dsp_bdesc): New array.
7963 (bdesc_arrays): Add DSP builtin function table.
7964 (mips_prepare_builtin_arg): Check predicate again after
7966 (mips_expand_builtin): Add one more parameter to
7967 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
7968 MIPS_BUILTIN_BPOSGE32.
7969 (mips_init_builtins): Initialize new function types.
7970 (mips_expand_builtin_direct): Check if builtin functions need to
7971 return a value and pass operands properly.
7972 (mips_expand_builtin_bposge): New function.
7973 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
7974 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
7975 (FIRST_PSEUDO_REGISTER): Increase to 188.
7976 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
7977 Update for 12 new DSP registers.
7978 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
7979 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
7980 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
7981 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
7982 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
7983 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
7984 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
7985 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
7986 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
7987 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
7988 (REGISTER_NAMES): Add names for 12 new DSP registers.
7989 * config/mips/mips.md: Include mips-dsp.md.
7990 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
7991 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
7992 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
7993 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
7994 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
7995 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
7996 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
7997 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
7998 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
7999 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
8000 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
8001 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
8002 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
8003 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
8004 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
8005 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
8006 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
8007 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
8008 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
8009 (UNSPEC_RDDSP): New constants.
8010 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
8011 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
8013 * config/mips/mips.opt (-mdsp): New option.
8014 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
8015 (reg_imm10_operand): New predicates.
8016 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
8017 * doc/invoke.texi (-mdsp): Document new option.
8019 2005-07-22 DJ Delorie <dj@redhat.com>
8021 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
8023 * tree-inline.c (inlinable_function_p): Likewise.
8025 2005-07-22 Mark Mitchell <mark@codesourcery.com>
8028 * toplev.c (check_global_declarations): Do not mark undefined
8029 variables as DECL_IGNORED_P.
8030 * varasm.c (first_global_object_name): GTY it.
8031 (weak_global_object_name): Likewise.
8032 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
8033 a string to go into {weak,first}_global_object_name.
8035 2005-07-22 DJ Delorie <dj@redhat.com>
8037 * c-format.c (check_function_format): Change warning control
8038 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
8040 2005-07-22 Diego Novillo <dnovillo@redhat.com>
8042 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
8043 &PTR->FLD a dereference of PTR.
8044 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
8045 a potential dereference of PTR.
8047 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
8049 PR rtl-optimization/20370
8050 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
8051 call allocate_reg_info if necessary.
8053 PR rtl-optimization/21848
8054 * calls.c (emit_library_call_value_1): For const functions, add
8055 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
8057 PR rtl-optimization/22445
8058 * cselib.c (target.h): Include.
8059 (rtx_equal_for_cselib_p): Allow commutative matches.
8060 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
8061 Remove MODE parameter. Changed all callers.
8063 PR rtl-optimization/22258
8064 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
8066 (try_combine): Use likely_spilled_retval_p.
8068 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
8070 * config.gcc: Add crx-elf support.
8072 * doc/contrib.texi: Mention crx.
8073 * doc/extend.texi: Document crx extensions.
8074 * doc/install.texi: Document crx install.
8075 * doc/invoke.texi: Document crx options.
8076 * doc/md.texi: Document crx constraints.
8078 * config/crx/crx-protos.h: New file.
8079 * config/crx/crx.c: New file.
8080 * config/crx/crx.h: New file.
8081 * config/crx/crx.md: New file.
8082 * config/crx/crx.opt: New file.
8083 * config/crx/t-crx: New file.
8085 2005-07-22 Manfred Hollstein <mh@suse.com>
8087 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
8089 (int_add_graph_edge): Likewise.
8090 (collapse_nodes): Likewise.
8091 (process_unification_queue): Likewise.
8093 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8094 Laurent GUERBY <laurent@guerby.net>
8096 PR tree-optimization/22336
8097 * function.c (record_block_change): Check for
8098 cfun->ib_boundaries_block.
8100 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
8102 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
8103 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
8105 2005-07-21 DJ Delorie <dj@redhat.com>
8107 * toplev.c (warn_deprecated_use): Add warning control to warning
8109 * c-typeck.c (parser_build_binary_op): Likewise.
8110 (c_finish_if_stmt): Likewise.
8111 * c-common.c (check_function_sentinel): Likewise.
8112 (check_nonnull_arg): Likewise.
8114 2005-07-21 Richard Henderson <rth@redhat.com>
8117 * tree-complex.c (complex_ssa_name_components): New.
8118 (cvc_lookup): Allow entry not found.
8119 (create_components): Remove.
8120 (create_one_component_var, get_component_var): New.
8121 (get_component_ssa_name, set_component_ssa_name): New.
8122 (extract_component): Use get_component_ssa_name.
8123 (update_complex_components): Use set_component_ssa_name.
8124 (update_complex_components_on_edge): Likewise.
8125 (update_phi_components): Create new PHI nodes directly, instead
8126 of adding insns to edges.
8127 (tree_lower_complex): Allocate and free complex_variable_components
8128 and complex_ssa_name_components here.
8130 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
8132 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
8133 revert to returning false.
8135 2005-07-21 Uros Bizjak <uros@kss-loka.si>
8138 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
8140 2005-07-21 Uros Bizjak <uros@kss-loka.si>
8143 * config/i386/i386.md (cmpxf): Change operand constraints
8144 to "nonmemory_operand".
8146 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
8148 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
8150 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
8153 * fold-const.c (fold_build1): Add checksum for the operands.
8154 (fold_build2): Likewise.
8155 (fold_build3): Likewise.
8157 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
8160 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
8162 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
8164 * common.opt (-fforward-propagate): Committed by mistake,
8167 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8169 * reg-stack.c: Fix comment typo(s).
8170 * tree-ssa-operands.c: Likewise.
8171 * tree-vectorizer: Likewise.
8173 2005-07-21 Nick Clifton <nickc@redhat.com>
8175 * config/sh/symbian.c: Replace C++ style line comments with C
8176 style line comments.
8177 (symbian_add_attribute): Do not use a ? operator on the LHS of
8179 (sh_symbian_handle_dll_attribute): Change the type of the
8180 method vector to "VEC(tree,gc)*" and use vector accessor
8181 macros to walk over the elements.
8182 (symbian_export_vtable_and_rtti_p): Likewise.
8183 (symbian_class_needs_attribute_p): Likewise.
8185 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
8188 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
8189 initialize targetm.resolve_overloaded_builtin here.
8190 (altivec_expand_overloaded_builtin): Make it non-static.
8191 * config/rs6000/rs6000-protos.h
8192 (altivec_expand_overloaded_builtin): New prototype.
8193 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
8194 targetm.resolve_overloaded_builtin here.
8195 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
8197 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
8198 Zdenek Dvorak <dvorakz@suse.cz>
8200 PR tree-optimization/19210
8201 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
8203 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
8204 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
8205 rely on unproven assumptions.
8206 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
8207 * tree-flow.h (number_of_iterations_exit): Add final parameter.
8208 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
8209 to number_of_iterations_exit.
8210 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
8211 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
8212 * tree-ssa-loop-niter.c (find_loop_niter,
8213 estimate_numbers_of_iterations_loop): Likewise.
8214 (number_of_iterations_exit): Honor the new options.
8215 * doc/invoke.texi (Wunsafe-loop-optimizations,
8216 funsafe-loop-optimizations): Document them.
8218 2005-07-21 Richard Sandiford <richard@codesourcery.com>
8220 PR rtl-optimization/22167
8221 * gcse.c (hoist_code): Fix hoist_exprs[] check.
8223 2005-07-20 Adam Nemet <anemet@lnxw.com>
8225 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
8226 __do_global_dtors_aux longcall.
8228 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
8230 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
8231 (old_special_pred_table): Don't reference
8232 SPECIAL_MODE_PREDICATES.
8233 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
8234 * config/arc/arc.h: Don't mention PREDICATE_CODES.
8235 * config/sh/predicates.h: Don't mention
8236 SPECIAL_MODE_PREDICATES.
8237 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
8240 2005-07-20 DJ Delorie <dj@redhat.com>
8242 * config.gcc: Add m32c-elf support.
8244 * doc/contrib.texi: Mention m32c.
8245 * doc/extend.texi: Document m32c extensions.
8246 * doc/install.texi: Mention m32c.
8247 * doc/invoke.texi: Document m32c options.
8248 * doc/md.texi: Document m32c constraints.
8250 * config/m32c/addsub.md: New file.
8251 * config/m32c/bitops.md: New file.
8252 * config/m32c/cond.md: New file.
8253 * config/m32c/jump.md: New file.
8254 * config/m32c/m32c-lib1.S: New file.
8255 * config/m32c/m32c-lib2.c: New file.
8256 * config/m32c/m32c-modes.def: New file.
8257 * config/m32c/m32c-pragma.c: New file.
8258 * config/m32c/m32c-protos.h: New file.
8259 * config/m32c/m32c.abi: New file.
8260 * config/m32c/m32c.c: New file.
8261 * config/m32c/m32c.h: New file.
8262 * config/m32c/m32c.md: New file.
8263 * config/m32c/m32c.opt: New file.
8264 * config/m32c/minmax.md: New file.
8265 * config/m32c/mov.md: New file.
8266 * config/m32c/muldiv.md: New file.
8267 * config/m32c/predicates.md: New file.
8268 * config/m32c/prologue.md: New file.
8269 * config/m32c/shift.md: New file.
8270 * config/m32c/t-m32c: New file.
8272 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
8274 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8275 (stack_protect_set, stack_protect_test): New expanders.
8276 (stack_protect_set_si, stack_protect_set_si_media,
8277 stack_protect_set_di_media, stack_protect_test_si,
8278 stack_protect_test_si_media, stack_protect_test_di_media):
8281 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
8283 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
8285 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
8287 * tree.h (tree_expr_nonzero_p): Export.
8288 * fold-const.c (tree_expr_nonzero_p): Likewise.
8289 Return true for CALL_EXPRs that are alloca calls.
8290 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
8292 * tree-flow.h (expr_computes_nonzero): Remove.
8293 * tree-vrp.c (expr_computes_nonzero): Remove.
8294 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
8295 (extract_range_from_unary_expr): Likewise.
8296 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
8297 tree_expr_nonzero_p.
8299 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
8301 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
8302 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
8303 extra arg "picreg" and use it instead of pic_offset_table_rtx.
8304 All callers changed.
8305 (frame_related_constant_load): New arg "related" which controls
8306 setting of RTX_FRAME_RELATED_P. All callers changed.
8307 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
8308 (bfin_expand_prologue): Add stack limit checking.
8309 * config/bfin/bfin.md (trapifcc): New pattern.
8311 * config/bfin/bfin.c: Include "langhooks.h".
8312 (def_builtin): Go through lang_hooks to call builtin_function.
8314 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
8315 * config/bfin/predicates.md (symbol_ref_operand): New.
8316 (call_insn_operand): Delete. All callers changed to use
8317 register_no_elim_operand.
8318 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
8320 (function_arg): Use it to generate the call's operand 2.
8321 (bfin_longcall_p): New function.
8322 (bfin_expand_call): Extra arg "cookie". All callers and declaration
8323 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
8324 determine if the address needs to be in a REG.
8325 (bfin_handle_longcall_attribute): New function.
8326 (bfin_attribute_table): Add "longcall" and "shortcall".
8327 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
8328 (CUMULATIVE_ARGS): New member call_cookie.
8329 (PREDICATE_CODES): Add symbol_ref_operand.
8330 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
8331 extra USE to the pattern.
8332 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
8333 New patterns, split off call_insn, sibcall_insn, call_value_insn and
8334 sibcall_value_insn; now the new patterns handle direct calls and the
8335 old ones indirect calls.
8336 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
8338 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
8340 * doc/trouble.texi: Update section on handling of empty loops.
8342 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
8344 * config.gcc: Remove support for sparc-*-openbsd*,
8345 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
8347 * config.host: Remove support for i860-*-sysv4* as a host.
8348 * config/i860/*, config/ip2k/*, config/ns32k/*,
8349 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
8350 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
8351 mention obsolete ports.
8353 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
8355 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
8357 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
8358 of frame_pointer_rtx.
8359 (sh_expand_epilogue): Likewise.
8360 (sh_set_return_address): Likewise.
8361 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
8362 instead of FRAME_POINTER_REGNUM if needed. Add elimination
8363 offsets from FRAME_POINTER_REGNUM.
8364 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
8365 (sh_register_names): Add initializer for sfp.
8366 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
8367 (VALID_REGISTER_P): Likewise.
8368 (FIRST_PSEUDO_REGISTER): Update.
8369 (DWARF_FRAME_REGISTERS): Define.
8370 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
8371 (HARD_FRAME_POINTER_REGNUM): Define.
8372 (FRAME_POINTER_REGNUM): Redefine.
8373 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
8374 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
8375 from FRAME_POINTER_REGNUM.
8376 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
8377 FRAME_POINTER_REGNUM.
8378 (REG_CLASS_CONTENTS): Add sfp.
8379 (REG_ALLOC_ORDER): Likewise.
8380 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
8381 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
8382 of frame_pointer_rtx.
8383 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
8385 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
8387 * fold-const.c (tree_expr_nonnegative_p): Only return true for
8388 ABS_EXPR when flag_wrapv is false because of INT_MIN.
8389 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
8391 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
8394 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
8396 Make CONSTRUCTOR use VEC to store initializers.
8397 * c-common.c (complete_array_type): Update to cope with VEC in
8399 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
8400 (pp_c_constructor_elts): New function.
8401 * c-pretty-print.h (pp_c_constructor_elts): Declare.
8402 * c-typeck.c (build_function_call, build_c_cast, digest_init,
8403 struct constructor_stack, struct initializer_stack,
8404 constructor_elements, push_init_level, pop_init_level,
8405 add_pending_init, find_init_member, output_init_element): Update to
8406 cope with VEC in CONSTRUCTOR_ELTS.
8407 * coverage.c (build_fn_info_value, build_ctr_info_value,
8408 build_gcov_info): Likewise.
8409 * expr.c (categorize_ctor_elements_1, store_constructor,
8410 expand_expr_real_1): Likewise.
8411 * fold-const.c (fold_ternary): Likewise.
8412 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
8413 gimplify_init_constructor, gimplify_expr): Likewise.
8414 * tree-dump.c (dequeue_and_dump): Likewise.
8415 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
8417 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
8419 * tree-sra.c (generate_element_init_1): Likewise.
8420 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
8421 * tree-ssa-operands.c (get_expr_operands): Likewise.
8422 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
8423 * tree-vect-transform.c (vect_get_vec_def_for_operand):
8424 (get_initial_def_for_reduction): Likewise.
8425 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
8426 value handle in annotations.
8427 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
8428 tree_node_structure): Add support for constr_kind.
8429 (build_vector_from_ctor, build_constructor_single,
8430 build_constructor_from_list): New functions.
8431 (build_constructor): Update to take a VEC instead of a TREE_LIST.
8432 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
8433 Update to cope with VEC in CONSTRUCTOR_ELTS.
8434 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
8435 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
8436 CONSTRUCTOR_APPEND_ELT): New macros.
8437 (struct constructor_elt, struct tree_constructor): New data types.
8438 (union tree_node): Add tree_constructor field.
8439 * treestruct.def: Define TS_CONSTRUCTOR.
8440 * varasm.c (const_hash_1, compare_constant, copy_constant,
8441 compute_reloc_for_constant, output_addressed_constants,
8442 initializer_constant_valid_p, output_constant,
8443 array_size_for_constructor, output_constructor): Update to cope with
8444 VEC in CONSTRUCTOR_ELTS.
8445 * vec.h (VEC_empty, VEC_copy): New macros.
8447 2005-07-19 Devang Patel <dpatel@apple.com>
8449 * dbxout.c (dbxout_type): Check Objective-C++ lang.
8451 2005-07-19 Richard Henderson <rth@redhat.com>
8454 * gimplify.c (gimplify_expr): Use main variant type for the temp
8455 destination for a discarded volatile read.
8456 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
8457 casts between non-void types that change volatility.
8459 2005-07-15 DJ Delorie <dj@redhat.com>
8461 * toplev.h: Add comment about the first parameter for warning().
8462 * errors.h: Likewise.
8464 * c.opt (Wpragmas): New.
8465 * doc/invoke.texi: Document it.
8467 * function.c (do_warn_unused_parameter): Add warning control to
8469 * c-decl.c (warn_if_shadowing): Likewise.
8470 * c-lex.c (cb_def_pragma): Likewise.
8471 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
8472 (pop_alignment): Likewise.
8473 (handle_pragma_pack): Likewise.
8474 (apply_pragma_weak): Likewise.
8475 (handle_pragma_weak): Likewise.
8476 (handle_pragma_redefine_extname): Likewise.
8477 (add_to_renaming_pragma_list): Likewise.
8478 (handle_pragma_extern_prefix): Likewise.
8479 (maybe_apply_renaming_pragma): Likewise.
8480 (handle_pragma_visibility): Likewise.
8482 * config/c4x/c4x-c.c (BAD): Likewise.
8483 (c4x_parse_pragma): Likewise.
8484 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
8485 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
8486 (rs6000_pragma_longcall): Likewise.
8487 * config/v850/v850-c.c (pop_data_area): Likewise.
8488 (ghs_pragma_section): Likewise.
8489 (ghs_pragma_section): Likewise.
8490 (ghs_pragma_interrupt): Likewise.
8491 (ghs_pragma_starttda): Likewise.
8492 (ghs_pragma_startsda): Likewise.
8493 (ghs_pragma_startzda): Likewise.
8494 (ghs_pragma_endtda): Likewise.
8495 (ghs_pragma_endsda): Likewise.
8496 (ghs_pragma_endzda): Likewise.
8498 2005-07-19 Danny Berlin <dberlin@dberlin.org>
8499 Kenneth Zadeck <zadeck@naturalbridge.com>
8501 * Makefile.in: Removed tree-promote-statics.c
8502 * tree-promote-statics.c: Removed.
8503 * common.opt: Removed flag-promote-statics.
8505 * passes.c: Removed tree-promote-statics pass.
8506 * tree-pass.h: Ditto.
8507 * timevar.def: Removed TV_PROMOTE_STATICS.
8510 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
8512 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
8514 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
8516 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8519 * c-common.c (check_function_arguments): Call
8520 'check_function_format' if either -Wformat or
8521 -Wmissing-format-attribute are specified.
8522 * c-format.c (check_function_format): Check -Wformat before
8523 calling 'check_format_info'.
8524 * c-opts.c (c_common_post_options): Don't warn for
8525 -Wmissing-format-attribute without -Wformat.
8526 * c-typeck.c (convert_for_assignment): Detect additional cases for
8527 -Wmissing-format-attribute.
8528 * doc/invoke.texi (-Wmissing-format-attribute): Document new
8531 2005-07-19 Richard Guenther <rguenther@suse.de>
8533 * config/i386/i386.md (lrint<mode>2): Use temporary
8534 instead of clobbering non-existent memory.
8536 2005-07-19 Nick Clifton <nickc@redhat.com>
8538 * config/avr/avr.c (legitimate_address_p): Fix debugging print
8539 statement to avoid displaying ASCII control characters.
8541 2005-07-19 Ben Elliston <bje@au.ibm.com>
8543 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
8544 * cfganal.c (find_edge_index): Ditto.
8545 * combine.c (combine_instructions): Ditto.
8546 * ddg.c (create_scc): Ditto.
8547 (find_successors): Ditto.
8548 (find_predecessors): Ditto.
8549 (find_nodes_on_paths): Ditto.
8550 (longest_simple_path): Ditto.
8551 * flow.c (update_life_info): Ditto.
8552 (count_or_remove_death_notes): Ditto.
8553 (clear_log_links): Ditto.
8554 * modulo-sched.c (generate_reg_moves): Ditto.
8555 (find_max_asap): Ditto.
8556 (find_max_hv_min_mob): Ditto.
8557 (find_max_dv_min_mob): Ditto.
8558 * sbitmap.c (sbitmap_first_set_bit): Ditto.
8559 * sched-rgn.c (extract_edgelst): Ditto.
8560 * tree-into-ssa.c (prepare_names_to_update): Ditto.
8561 (dump_update_ssa): Ditto.
8562 (ssa_names_to_replace) Ditto.
8563 (switch_virtuals_to_full_rewrite): Ditto.
8564 (update_ssa): Ditto.
8565 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
8567 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
8569 Fix PR tree-optimization/22483
8571 * tree-complex.c (create_components): Use
8572 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
8573 * tree-flow-inline.h (fill_referenced_var_vec): New function.
8574 * tree-flow.h (safe_referenced_var_iterator): New structure.
8575 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
8576 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
8577 safe_referenced_var iterator.
8578 (add_type_alias): Ditto.
8580 2005-07-19 Steven Bosscher <stevenb@suse.de>
8582 * loop-init.c (rest_of_handle_loop2): Remove.
8583 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
8584 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
8585 (pass_rtl_loop_init, pass_rtl_loop_done,
8586 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
8587 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
8588 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
8589 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
8590 pass_tree_loop_done, and pass_tree_unswitch.
8591 (gate_loop): Rename to gate_tree_loop.
8592 * passes.c (init_optimization_passes): Update for renamed tree
8593 loop passes. Add the new loop2 passes as subpasses of loop2.
8594 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
8595 Update for the renamed tree loop passes.
8597 2005-07-18 Ian Lance Taylor <ian@airs.com>
8600 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
8601 blocks when optimizing.
8603 2005-07-18 Steve Ellcey <sje@cup.hp.com>
8605 * common.opt (frename-registers): Initialize to 2.
8607 (fgcse-after-reload): Ditto.
8608 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
8609 (process_options): Only change flag_web, flag_rename_registers,
8610 and flag_rerun_cse_after_loop if not explicitly set by user.
8612 2005-07-18 Jan Beulich <jbeulich@novell.com>
8614 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
8615 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
8616 in 64-bit mode the same as DImode in 32-bit mode.
8617 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
8618 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
8619 mode. Add new mode parameter.
8620 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
8621 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
8622 x86_64_shift_adj): New expanders.
8623 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
8624 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
8626 Respective new splitters. Use renamed shift splitter helpers in 32-bit
8627 DImode shift splitters.
8628 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
8629 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
8632 2005-07-18 Jan Beulich <jbeulich@novell.com>
8634 * i386.md (movdi_extzv_1): New.
8635 (zero_extendhidi2): Combine alternatives and never force use of
8637 (zero_extendqidi2): Likewise. Don't restrict input selection.
8639 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8641 Fix PR tree-optimization/22531
8642 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
8645 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8647 * tree-promote-statics.c (pass_promote_statics): Change dump file
8650 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8652 * tree-optimize.c (init_tree_optimization_passes): Add
8653 pass_eliminate_useless_stores pass.
8654 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
8655 * tree-ssa-pre.c (is_copy_stmt): New function.
8656 (follow_copies_till_vuse): Ditto.
8657 (do_eustores): Ditto.
8658 (gate_eustores): Ditto.
8660 2005-07-16 Richard Henderson <rth@redhat.com>
8662 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
8664 2005-07-16 Danny Berlin <dberlin@dberlin.org>
8665 Kenneth Zadeck <zadeck@naturalbridge.com>
8667 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
8668 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
8669 ipa-type-escape.h, tree-promote-statics.c
8670 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
8671 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
8672 tree-promote-statics.c: new files.
8673 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
8674 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
8675 int nonlocal_set_p, mark_constant_function): Deleted.
8676 (rest_of_handle_cfg): Removed call to mark_constant_function.
8677 (nonoverlapping_component_refs_p): Added calls to support
8678 type based aliasing.
8679 * tree-ssa-alias.c (may_alias_p,
8680 compute_flow_insensitive_aliasing): Ditto.
8681 * calls.c (flags_from_decl_or_type): Removed reference to
8683 * c-typeck.c (convert_arguments): Make builtins tolerant of having
8684 too many arguments. This is necessary for Spec 2000.
8685 * cgraph.h (const_function, pure_function): Removed.
8686 * common.opt: Added "fipa-pure-const", "fipa-reference",
8687 "fipa-type-escape", and "ftree-promote-static".
8689 * passes.c: Added ipa and tree-promote-statics passes.
8690 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
8691 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
8692 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
8693 * tree-flow.h: Added exposed sra calls and addition of
8694 reference_vars_info field for FUNCTION_DECLS.
8695 * tree-pass.h: Added passes.
8696 * tree-sra.c: (sra_init_cache): New function.
8697 (sra_insert_before, sra_insert_after) Made public.
8698 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
8700 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
8701 aliasing. (may_alias_p): Added code to use type escape analysis to
8703 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
8704 code to prune clobbers of static variables based on information
8705 produced in ipa-reference pass. Changed call clobbering so that
8706 statics are not marked as clobbered if the call does not clobber
8709 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
8711 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
8714 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8716 * doc/install.texi (*-*-solaris2*): Document recommended version
8717 of GNU binutils and mention GNU linker problem on Solaris 10.
8719 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
8722 * c-decl.c (c_build_bitfield_integer_type): New function.
8723 (finish_struct): Call it.
8724 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
8726 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8728 * c-typeck.c (digest_init): Call 'convert_for_assignment'
8731 2005-07-16 Jan Hubicka <jh@suse.cz>
8733 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
8734 (scale_bbs_frequencies_int): Watch roundoff errors.
8735 * predict.c (return_prediction): Initialize return_stmt.
8737 2005-07-16 Jan Hubicka <jh@suse.cz>
8739 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
8740 after RTL profiling.
8742 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
8745 * fold-const.c (build_range_check): Convert high/low to etype
8746 if we are only comparing against exp.
8748 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
8750 Fix PR tree-optimization/22376
8751 * tree-ssa-structalias.c (build_constraint_graph): We really meant
8753 (need_to_solve): New function.
8754 (compute_points_to_sets): Use it.
8756 2005-07-15 Jan Hubicka <jh@suse.cz>
8758 * cfg.c (update_bb_profile_for_threading): More diagnostic.
8759 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
8761 2005-07-15 Richard Guenther <rguenther@suse.de>
8763 * c-common.c (handle_flatten_attribute): New function.
8764 Add flatten function attribute.
8765 * doc/extend.texi: Document flatten function attribute.
8766 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
8767 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8769 (cgraph_decide_inlining): Handle functions with flatten
8772 2005-07-14 David Edelsohn <edelsohn@gnu.org>
8774 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
8775 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
8776 UNSPEC_XCHG, UNSPEC_AND): New.
8777 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
8778 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
8779 * config/rs6000/sync.md (FETCHOP): New code macro.
8780 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
8782 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
8783 (sync_compare_and_swap<mode>): Same.
8784 (sync_lock_test_and_set<mode>): Same.
8785 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
8786 for QImode and HImode, and not PPC405.
8787 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
8788 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
8789 (sync_<fetchop>{si,di}_internal): New.
8790 (sync_nand{si,di}_internal): New.
8791 (sync_old_<fetchop>{si,di}_internal): New.
8792 (sync_old_nand{si,di}_internal): New
8793 (sync_new_<fetchop>{si,di}_internal): New.
8794 (sync_new_nand{si,di}_internal): New.
8795 (atomic_and{si,di}): New.
8796 (sync_new_nand{si,di}_internal): New.
8797 (atomic_and{si,di}): New.
8798 (sync_add<mode>_internal): Delete.
8799 (sync_addshort_internal): Use unspec instead of unspec_volatile.
8800 (sync_sub<mode>_internal): Delte.
8801 (sync_subshort_internal): New.
8802 (sync_andsi_internal): Use unspec instead of unspec_volatile.
8803 (sync_anddi_internal): Delete.
8804 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
8805 (sync_booldi_internal): Delete.
8806 (sync_boolc<mode>_internal): Delete.
8807 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
8808 (sync_boolc<mode>_internal2): Delete.
8809 (sync_boolcc<mode>_internal): Delete.
8810 (isync, lwsync): Use unspec instead of unspec_volatile.
8811 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
8812 Revert UNSPEC_VOLATILE.
8813 (rs6000_split_atomic_op): New.
8814 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
8816 2005-07-14 Eric Christopher <echristo@redhat.com>
8818 * config/mips/mips.c (mips_canonicalize_comparison): Cast
8819 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
8821 2005-07-14 Eric Christopher <echristo@redhat.com>
8823 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
8825 2005-07-14 Steven Bosscher <stevenb@suse.de>
8827 PR tree-optimization/22230
8828 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
8829 the computation of the four cross productions for "range op range".
8831 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
8832 Ulrich Weigand <uweigand@de.ibm.com>
8835 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
8838 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8840 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
8842 2005-07-14 Steve Ellcey <sje@cup.hp.com>
8844 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
8846 2005-07-14 Richard Guenther <rguenther@suse.de>
8849 * config/i386/i386-protos.h (ix86_function_value): Change
8850 prototype to match new target hook.
8851 * config/i386/i386.c (ix86_value_regno): Change prototype
8852 to take extra type argument.
8853 (TARGET_FUNCTION_VALUE): Define.
8854 (ix86_function_ok_for_sibcall): Pass extra argument to
8855 ix86_value_regno, check return slot rtx for exact match.
8856 (ix86_function_value): Take extra parameter. Dispatch to
8857 ix86_value_regno with fndecl/fntype as provided.
8858 (ix86_value_regno): Handle extra type argument.
8859 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
8861 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
8862 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
8863 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
8864 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
8865 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
8867 2005-07-14 Richard Guenther <rguenther@suse.de>
8869 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
8870 * calls.c (expand_call): Pass fntype to hard_function_value.
8871 (emit_library_call_value_1): Likewise.
8872 * explow.c: Include target.h.
8873 (hard_function_value): Take extra argument, the fntype.
8874 Use new target hook for function_value.
8875 * expr.h (hard_function_value): Change prototype.
8876 * function.c (aggregate_value_p): Pass 0 as fntype to
8877 hard_function_value.
8878 (assign_parms): Use new target hook for function_value.
8879 Pass 0 as fntype to hard_function_value.
8880 (expand_function_end): Likewise.
8881 * reg-stack.c: Include target.h.
8882 (stack_result): Use new target hook for function_value.
8883 * target-def.h: New target hook function_value.
8884 * target.h: Likewise.
8885 * targhooks.c (default_function_value): New function.
8886 * targhooks.h (default_function_value): Declare.
8888 2005-07-13 Ian Lance Taylor <ian@airs.com>
8890 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
8892 2005-07-14 Jan Hubicka <jh@suse.cz>
8894 * tree-dfa.c (dump_variable): Use default_def function.
8895 * tree-ssa-alias.c (dump_points_to_info): Likewise.
8896 * tree-ssa.c (verify_use): Likewise.
8897 * tree-ssanames.c (release_ssa_name): Likewise.
8898 * tree-tailcall.c (eliminate_tail_call): Likewise.
8899 (tree_optimize_tail_calls_1): Likewise.
8900 * tree-vrp.c (get_value_range): Likewise.
8902 2005-07-14 Ben Elliston <bje@au.ibm.com>
8904 * gcc.c (main): Compare language[0] with '*' when iterating over
8907 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8909 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
8910 "s390_emit_compare". Add handling of CCZ1mode.
8911 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
8912 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
8914 (s390_branch_condition_mask): Add CCZ1mode handling.
8915 * config/s390/s390.md: ("seq", "*seq"): New pattern.
8916 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
8917 Use CCZ1mode instead of CCZmode.
8918 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
8920 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8922 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
8924 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
8926 2005-07-13 Eric Christopher <echristo@redhat.com>
8928 * config/mips/mips.c (mips_canonicalize_comparison): New.
8929 (mips_emit_int_relational): Use.
8931 2005-07-13 Eric Christopher <echristo@redhat.com>
8933 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8935 * config/s390/s390.md: Include tpf.md. Move tpf specific
8937 * config/s390/tpf.md: To here.
8938 * config/s390/s390.opt: Move tpf specific options...
8939 * config/s390/tpf.opt: to here. Add mmain option.
8940 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8941 * config/s390/tpf.h: Rewrite.
8943 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8945 * doc/tm.texi: Remove @xref{Cross-profiling}.
8947 2005-07-13 Jeff Law <law@redhat.com>
8949 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
8950 expressions, test their _DECL operands for pointer equality rather
8951 than using operand_equal_p.
8953 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
8955 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
8956 (TARGET_POSIX_IO): This.
8957 * config/darwin.h: Likewise.
8958 * config/freebsd.h: Likewise.
8959 * config/linux.h: Likewise.
8960 * config/lynx.h: Likewise.
8961 * config/netbsd.h: Likewise.
8962 * config/rs6000/linux64.h: Likewise.
8963 * config/rs6000/linux.h: Likewise.
8964 * config/s390/tpf.h: Likewise.
8965 * config/sh/embed-elf.h: Likewise.
8966 * config/sparc/linux64.h: Likewise.
8967 * config/sparc/linux.h: Likewise.
8968 * config/svr4.h: Likewise.
8969 * gcov-io.h: Likewise.
8971 * doc/tm.texi: Updated.
8973 * libgcov.c (create_file_directory): Defined only if
8974 TARGET_POSIX_IO is defined.
8975 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
8978 2005-07-13 Jan Hubicka <jh@suse.cz>
8980 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
8982 2005-07-13 David Edelsohn <edelsohn@gnu.org>
8984 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
8985 structure as argument.
8987 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
8989 PR tree-optimization/21921
8990 * tree-iterator.c (tsi_link_before): Support the case when
8991 tsi_end_p (tsi) == true.
8993 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
8995 PR tree-optimization/22442
8996 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
8999 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
9001 PR rtl-optimization/20376
9002 * toplev.c (process_options): Enable -fweb and -frename-registers when
9004 * doc/invoke.texi: Update the information about when -fweb and
9005 -frename-registers are enabled.
9007 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
9010 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
9011 if *rhs_p is not a SSA_NAME.
9013 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
9015 Fix PR tree-optimization/22422
9016 * tree-ssa-structalias.c (struct variable_info): Add flag for
9018 (get_varinfo): Now a static function.
9019 (new_varinfo): init has_union and is_special_var to false.
9020 (solution_set_add): Check has_union.
9021 (do_da_constraint): Move temporary variable so it gets reset
9023 Also check for special variable.
9024 (do_ds_constraint): Ditto.
9025 (do_sd_constraint): Ditto.
9026 (do_structure_copy): Check for special variable.
9027 (find_func_aliases): Ditto.
9028 (init_base_vars): Set special vars properly.
9030 2005-07-13 Jan Hubicka <jh@suse.cz>
9032 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
9035 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
9036 (get_expr_operands): Fix thinko wrt flags and subvars.
9038 PR tree-optimize/22379
9039 * tree-inline.c (expand_call_inline): Do not output sorry in early
9042 2005-07-12 Dale Johannesen <dalej@apple.com>
9044 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
9046 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
9049 * host-linux.h: Include limits.h.
9051 2005-07-12 Dale Johannesen <dalej@apple.com>
9053 * expr.c (compress_float_constant): Add cost check.
9054 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
9056 2005-07-12 Dale Johannesen <dalej@apple.com>
9058 * gcc.target/i386/compress-float-sse.c: New.
9059 * gcc.target/i386/compress-float-sse-pic.c: New.
9060 * gcc.target/i386/compress-float-387.c: New.
9061 * gcc.target/i386/compress-float-387-pic.c: New.
9062 * gcc.dg/compress-float-ppc.c: New.
9063 * gcc.dg/compress-float-ppc-pic.c: New.
9065 2005-07-12 Eric Christopher <echristo@redhat.com>
9067 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9069 * config/s390/s390.md: Include tpf.md. Move tpf specific
9071 * config/s390/tpf.md: To here.
9072 * config/s390/s390.opt: Move tpf specific options...
9073 * config/s390/tpf.opt: to here. Add mmain option.
9074 * config/s390/tpf-unwind.h: Remove unnecessary defines.
9075 * config/s390/tpf.h: Rewrite.
9077 2005-07-12 Eric Christopher <echristo@redhat.com>
9079 * gcc.c (struct infile): Update comment for language.
9080 (main): Rewrite input file resetting code.
9082 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
9085 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
9086 requiring a cast in a non RHS of modify_expr. Add a cast when required.
9087 (lookup_avail_expr): Use constant_boolean_node instead
9088 of boolean_false_node/boolean_true_node.
9090 2005-07-12 Ben Elliston <bje@au.ibm.com>
9092 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
9093 and use it when printing num_edges.
9095 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
9097 * doc/extend.texi (Blackfin Built-in Functions): New section.
9098 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
9101 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
9103 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
9104 s/cmpstrsi/cmpstrnsi
9105 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
9107 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
9108 (init_optabs): Initialize cmpstrn_optab.
9109 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
9110 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
9111 * expr.c: (enum insn_code cmpstrn_optab): Declare.
9112 * config/i386/i386.md: s/cmpstr/cmpstrn
9113 * config/c4x/c4x.md: s/cmpstr/cmpstrn
9114 * doc/md.texi: Update documentation.
9116 2005-07-11 Richard Henderson <rth@redhat.com>
9118 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
9119 build_va_arg_indirect_ref.
9120 (alpha_gimplify_va_arg): Likewise.
9121 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
9122 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
9123 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
9124 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
9125 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
9126 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
9128 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
9130 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
9132 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
9133 * passes.c (init_optimization_passes): Add pass_empty_loop.
9134 * tree-pass.h (pass_empty_loop): Declare.
9135 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
9136 try_remove_empty_loop, remove_empty_loops): New functions.
9137 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
9138 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
9140 2005-07-12 Peter Barada <peter@the-baradas.com>
9144 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
9145 in address registers.
9146 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
9147 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
9148 alternative of addsi3_5200.
9150 2005-07-11 Ian Lance Taylor <ian@airs.com>
9152 * config/mips/mips.md (ffs<mode>2): Remove.
9154 2005-07-11 Ian Lance Taylor <ian@airs.com>
9156 * doc/tree-ssa.texi (Cleanups): Improve description of
9158 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
9160 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
9162 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
9163 * tree.h (DECL_ARGUMENT_FLD): New macro.
9165 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
9167 Fix PR tree-optimization/22404
9169 * tree-ssa-structalias.c (create_variable_info_for): Use
9172 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
9174 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
9175 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
9176 for second comparison operand.
9177 * config/bfin/predicates.md (reg_or_const_int_operand): New.
9179 * config/bfin/bfin.md (define_attr "type"): Add "sync".
9180 (define_insn_reservation "alu"): Likewise.
9181 (csync, ssync): Now of type sync.
9182 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
9183 -mcsync-anomaly -mspecld-anomaly.
9184 * config/bfin/bfin.opt (mcsync): Remove.
9185 (mcsync-anomaly, mspecld-anomaly): Add.
9186 * config/bfin/bfin.c: Include "insn-codes.h".
9187 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
9188 (TARGET_DEFAULT_TARGET_FLAGS): New.
9189 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
9191 2005-07-11 Steven Bosscher <stevenb@suse.de>
9193 * basic-block.h: Give the BB flags enum a name, bb_flags.
9194 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
9195 * cfgcleanup.c (enum bb_flags): Remove here.
9196 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
9197 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
9198 (update_forwarder_flag): Likewise.
9199 (thread_jump): Likewise.
9200 (try_forward_edges): Likewise.
9201 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
9202 forwarder flags. Don't clear bb->aux for all basic blocks. Only
9203 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
9205 2005-07-11 Richard Guenther <rguenther@suse.de>
9207 * config/i386/i386.opt: New target option -msseregparm.
9208 * config/i386/i386.c (override_options): Error out for
9209 -msseregparm but no SSE support.
9210 (ix86_function_sseregparm): Check for global sseregparm.
9211 * doc/invoke.texi: Document -msseregparm.
9213 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9215 * config.gcc (m32r-*-linux*): Use the default extra_parts.
9216 (m32rle-*-linux*): Ditto.
9218 2005-07-11 Jakub Jelinek <jakub@redhat.com>
9220 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
9221 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
9224 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9228 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
9229 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
9231 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
9233 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
9234 (varmap): Heapify varmap.
9235 (constraints): Heapify constraints.
9236 (struct constraint_graph): Heapify succs and preds.
9237 (constraint_vec_find): Update for heapification.
9238 (constraint_set_union): Ditto.
9239 (insert_into_complex): Ditto.
9240 (constraint_edge_vec_find): Ditto.
9241 (erase_graph_self_edge): Ditto.
9242 (add_graph_edge): Ditto.
9243 (get_graph_weights): Ditto.
9244 (merge_graph_nodes): Ditto.
9245 (build_constraint_graph): Ditto.
9246 (topo_visit): Ditto.
9247 (solve_graph): Ditto.
9248 (create_variable_info_for): Ditto.
9249 (init_base_vars): Ditto.
9250 (delete_points_to_sets): Free graph, varmap, and complex constraints.
9251 (condese_varmap_nodes): Free complex vector.
9252 (clear_edges_for_node): Clear succs and preds vector.
9254 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
9256 * tree-ssa-structalias.c (update_alias_info): Change counting of
9257 references to not include vdefs.
9259 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
9261 * tree-ssa-alias.c (free_used_part_map): Add missing free.
9264 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9266 * pa.c (pa_commutative_p): Make PLUS commutative when
9267 TARGET_NO_SPACE_REGS is true.
9269 2005-07-09 Diego Novillo <dnovillo@redhat.com>
9271 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
9272 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
9273 * tree-dfa.c (dump_subvars_for): New.
9274 (debug_subvars_for): New.
9275 (dump_variable): Show subvariables if VAR has them.
9276 * tree-flow-inline.h (get_subvar_at): New.
9277 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
9278 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
9280 (struct subvar): Change fields offset and size to unsigned
9282 (dump_subvars_for): Declare.
9283 (debug_subvars_for): Declare.
9284 (get_subvar_at): Declare.
9285 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
9286 to unsigned HOST_WIDE_INT *.
9287 (overlap_subvar): Likewise.
9288 * tree-gimple.c (is_gimple_reg): Always return false for
9289 SFTs and memory tags.
9290 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
9292 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
9293 (compute_may_aliases): Call compute_points_to_sets.
9294 (collect_points_to_info_for): Remove.
9295 (compute_points_to_and_addr_escape): Remove.
9296 (delete_alias_info): Call delete_points_to_sets.
9297 (compute_flow_sensitive_aliasing): If the call to
9298 find_what_p_points_to returns false, call set_pt_anything.
9299 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
9300 (set_pt_anything): Clear pi->pt_vars.
9301 (set_pt_malloc): Remove.
9302 (merge_pointed_to_info): Remove.
9303 (add_pointed_to_expr): Remove.
9304 (add_pointed_to_var): Remove.
9305 (collect_points_to_info_r): Remove.
9306 (is_escape_site): Make extern.
9308 (create_overlap_variables_for): Call it.
9309 * tree-ssa-copy.c (merge_alias_info): Never merge
9310 flow-sensitive alias information.
9311 * tree-ssa-operands.c (get_expr_operands): Adjust variables
9312 offset and size to be unsigned HOST_WIDE_INT.
9313 (add_to_addressable_set): Rename from note_addressable.
9314 Set TREE_ADDRESSABLE as the variables are added to the set.
9316 (add_stmt_operand): Do not try to micro-optimize unmodifiable
9317 operands into VUSEs when adding V_MAY_DEFs for members in an
9319 * tree-ssa-operands.h (add_to_addressable_set): Declare.
9320 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
9321 (struct variable_info): Add bitfield is_heap_var.
9322 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
9323 (new_var_info): Initialize is_heap_var.
9324 (get_constraint_for): Add HEAP variables to the symbol table.
9325 Mark them with is_heap_var.
9326 (update_alias_info): New. Taken mostly from the old
9327 compute_points_to_and_addr_escape.
9328 (handle_ptr_arith): New.
9329 (find_func_aliases): Call update_alias_info.
9330 Call handle_ptr_info for tcc_binary expressions.
9331 Call mark_stmt_modified.
9332 (create_variable_info_for): If DECL has subvars, do not create
9333 variables for its subvars. Always add all the fields.
9334 (set_uids_in_ptset): If the solution includes ANYOFFSET and
9335 SFTs, then add all the SFTs of the structure.
9336 If VI->DECL is an aggregate with subvariables, add the SFT at
9338 (find_what_p_points_to): If VI is an artificial variable,
9339 translate to bitfields in SSA_NAME_PTR_INFO.
9340 If the solution is empty, set pi->pt_vars to NULL
9341 (init_base_vars): Create ANYOFFSET.
9342 (compute_points_to_sets): Rename from create_alias_vars.
9344 (pass_build_pta): Remove.
9345 (delete_points_to_sets): Rename from delete_alias_vars.
9346 (pass_del_pta): Remove.
9347 * tree-ssa-structalias.h (struct alias_info): Move from
9349 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
9350 NUM_REFERENCES_SET): Likewise.
9351 (compute_points_to_sets, delete_points_to_sets): Declare.
9353 2005-07-09 Richard Henderson <rth@redhat.com>
9355 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
9356 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
9357 alpha_split_lock_test_and_set_12): New functions.
9358 * config/alpha/alpha-protos.h: Update.
9359 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
9360 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
9361 * config/alpha/sync.md (I12MODE): New.
9362 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
9363 (sync_<fetchop_name><I48MODE>): Likewise.
9364 (sync_nand<I48MODE>): Likewise.
9365 (sync_old_<fetchop_name><I48MODE>): Likewise.
9366 (sync_new_<fetchop_name><I48MODE>): Likewise.
9367 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
9368 (sync_compare_and_swap<I48MODE>): Likewise.
9369 (sync_lock_test_and_set<I48MODE>): Likewise.
9370 (sync_compare_and_swap<I12MODE>): New.
9371 (sync_compare_and_swap<I12MODE>_1): New.
9372 (sync_lock_test_and_set<I12MODE>): New.
9373 (sync_lock_test_and_set<I12MODE>_1): New.
9375 2005-07-09 Diego Novillo <dnovillo@redhat.com>
9379 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
9381 2005-07-09 Jakub Jelinek <jakub@redhat.com>
9383 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
9384 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
9386 2005-07-09 Richard SAndiford <richard@codesourcery.com>
9389 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
9391 2005-07-08 David Edelsohn <edelsohn@gnu.org>
9393 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
9394 memory_operand constraint.
9395 (store_conditional_<mode>): Same.
9396 (sync_compare_and_swap<mode>): Same.
9397 (sync_lock_test_and_set<mode>): Same.
9399 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
9401 Rewrite PIC support to more closely model actual instructions.
9402 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
9403 (cris_symbol): Remove prototypes for removed functions.
9404 (cris_pic_symbol_type_of, cris_valid_pic_const)
9405 (cris_expand_pic_call_address): Prototypes for new functions.
9406 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
9408 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
9410 <case ':'>: Add case for new punctuation character.
9411 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
9412 emitting (extra) PIC modifier.
9413 <case UNSPEC>: Do not assert for PLT.
9414 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
9415 (cris_expand_prologue, cris_expand_epilogue): Check
9416 for pic_offset_table_rtx usage instead of taking
9417 current_function_uses_pic_offset_table as the final word.
9418 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
9419 Remove flag_pic difference.
9420 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
9421 the moral equivalents of...
9422 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
9424 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
9425 (cris_handle_option): Mark ARG as unused.
9426 (cris_expand_pic_call_address): New worker function for "call",
9428 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
9429 output PIC constructs here.
9430 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
9431 as symbol-specific modifers, not whole or part of operands.
9432 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
9433 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
9434 constants and flag_pic.
9435 (CONSTANT_INDEX_P): Adjust for new functions.
9436 (enum cris_pic_symbol_type): New helper type.
9437 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
9438 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
9439 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
9441 ("movsi"): Emit actual instructions for GOT and relative access.
9442 ("*movsi_got_load"): New pattern to set up the register holding
9444 ("*movsi_internal"): Operand 1 is not a plain general_operand.
9445 Adjust FIXME for 'S'.
9446 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
9447 Use "movs" for -fpic cases.
9448 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
9449 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
9450 ("call", "call_value"): Just call cris_expand_pic_call_address for
9452 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
9453 Remove special pattern.
9454 ("*expanded_call_side", "*expanded_call_value_side"): New
9456 (gotplt-to-plt, gotplt-to-plt-side-call)
9457 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
9459 * config/cris/cris/predicates.md
9460 ("cris_general_operand_or_gotless_symbol"): Remove unused
9462 ("cris_general_operand_or_symbol"): Adjust for new functions.
9464 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9466 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
9468 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
9470 * Makefile.in (TREE_H): Add treestruct.def.
9471 (c-decl.o): Add pointer-set.h
9472 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
9473 visibility on regular DECL's.
9474 (merge_decls): Fix the copying of decl nodes of various types for
9475 the new structures. Don't update RTL, section name, weak status,
9476 etc, on DECL's without RTL.
9477 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
9478 Don't check volatile on non-variable types.
9479 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
9480 to check whether we have seen arguments.
9481 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
9482 flag is checked before field (flag is common, field is not).
9483 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
9484 TS_DECL_COMMON could have an origin.
9485 (add_location_or_const_value_attribute): Don't check section name
9486 on non-var/function decls.
9487 (dwarf2out_var_location): Reverse order of tests.
9488 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
9489 with DECL_WRTL_CHECK.
9490 * expmed.c (make_tree): rtl is now in decl_with_rtl.
9491 * fold-const.c (fold_binary): Don't check weakness on
9492 non-var/function decls.
9493 (tree_expr_nonzero_p): Ditto.
9494 (fold_checksum_tree): Use tree_decl_extra as sizeof
9496 * ggc-page.c (extra_order_size_table): Add sizes for
9497 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
9499 * gimplify.c (gimplify_bind_expr): Only set
9500 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
9501 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
9503 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
9504 * langhooks.h (init_ts). New langhook.
9505 * passes.c (rest_of_decl_compilation): Reverse order of tests.
9506 * print-tree.c (print_node): Update to only print fields that
9507 exist in the structures the passed decl has.
9508 * toplev.c (wrapup_global_declarations): Don't reset
9509 DECL_DEFER_OUTPUT on DECL's that don't contain it.
9510 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
9511 * tree-inline.c (remap_decl): Ditto.
9512 * tree-outof-ssa.c (create_temp): Reverse order of tests.
9513 * tree-pretty-print.c (print_declaration): Don't print
9514 DECL_REGISTER on things that don't contain it.
9515 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
9516 non-var/function decls.
9517 * tree.c (tree_contains_struct): New structure.
9518 (init_priority_for_decl): New hashtable.
9519 (tree_int_map): New structure.
9520 (tree_int_map_eq): New function.
9521 (tree_int_map_marked_p): Ditto.
9522 (tree_int_map_hash): Ditto.
9523 (tree_map): Move to tree.h.
9524 (tree_map_eq): Externalize.
9525 (tree_map_hash): Ditto.
9526 (tree_map_marked_p): Ditto.
9527 (init_ttree): Set up tree_contains_struct and call langhook.
9528 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
9529 (tree_code_size): Update for new structures.
9530 (tree_node_structure): Update for new structures.
9531 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
9533 (copy_node_stat): Copy init priority.
9534 (build_decl_stat): Ditto for visibility.
9535 (ts_enum_names): New.
9536 (tree_contains_struct_check_failed): New function.
9537 (decl_init_priority_lookup): Ditto.
9538 (decl_init_priority_insert): Ditto.
9539 * treestruct.def: New file.
9540 * tree.h (CODE_CONTAINS_STRUCT): New macro.
9541 (CONTAINS_STRUCT_CHECK): Ditto.
9542 (tree_contains_struct_check_failed): New prototype.
9543 (DECL_CHECK): Removed.
9544 (DECL_MINIMAL_CHECK): New.
9545 (DECL_COMMON_CHECK): Ditto.
9546 (DECL_WRTL_CHECK): Ditto.
9547 (DECL_NON_COMMON_CHECK): Ditto.
9548 (DECL_WITH_VIS_CHECK): Ditto.
9549 (VAR_OR_FUNCTION_DECL_P): Ditto
9550 (struct tree_decl_minimal): New structure.
9551 (struct tree_decl_common): Ditto.
9552 (struct tree_decl_with_rtl): Ditto.
9553 (struct tree_decl_with_vis): Ditto.
9554 (struct tree_decl_non_common): Ditto.
9555 (struct tree_field_decl): Ditto.
9556 (struct tree_parm_decl): Ditto.
9557 (struct tree_var_decl): Ditto.
9558 (struct tree_function_decl): Ditto.
9559 (struct tree_const_decl): Ditto.
9560 (struct tree_result_decl): Ditto.
9561 (union tree_node): Add new structures.
9562 * var-tracking.c (track_expr_p): Reverse order of tests.
9564 * doc/c-tree.texi: Add documentation on DECL node internal structure.
9566 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
9568 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
9569 * system.h: Poison FINALIZE_PIC.
9570 * doc/tm.texi (FINALIZE_PIC): Remove.
9572 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9575 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
9576 to the correct type if we have a MODIFY_EXPR.
9578 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
9580 PR tree-optimization/22360
9581 * tree.c (upper_bound_in_type): Fix calculations for casting
9582 to a non-wider signed type and casting a signed value to a
9583 wider unsigned type.
9584 (lower_bound_in_type): Fix calculations for casting to a
9585 non-wider signed type.
9587 PR tree-optimization/20139
9588 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
9590 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
9591 fold_cond_expr_cond.
9592 * tree-ssanames.c (release_defs): Assert in_ssa_p.
9593 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
9595 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9598 * tree-complex.c (expand_complex_libcall): Produce
9599 REALPART_EXPR/IMAGPART_EXPR with the correct type.
9601 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
9603 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
9604 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
9605 b" assert and inserted fastpath code for this case.
9606 (bitmap_ior): Removed "a != b" assert.
9608 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9610 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
9611 (ENDFILE_SPEC): Likewise.
9612 * config/m32r/m32r.h (ASM_SPEC): Likewise.
9614 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
9615 a large stack frame at epilogue.
9617 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
9619 * final.c: Include sdbout.h when required.
9621 2005-07-07 Geoffrey Keating <geoffk@apple.com>
9623 * config.gcc (*-*-darwin*): Only one target-specific header file
9625 (powerpc-*-darwin*): Add version-specific header files.
9626 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
9627 * config.in: Regenerate.
9628 * configure: Regenerate.
9629 * gcc.c: Include xregex.h.
9630 (version_compare_spec_function): New.
9631 (spec_function): Add version-compare.
9632 (replace_outfile_spec_function): Reformat comment.
9633 (compare_version_strings): New.
9634 * config/darwin-c.c (version_as_macro): New.
9635 (builtin_define): New.
9636 (darwin_cpp_builtins): New.
9637 * config/darwin-protos.h (darwin_cpp_builtins): New.
9638 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
9639 (LIB_SPEC): Make unconditional, update comment.
9640 (TARGET_C99_FUNCTIONS): Define.
9641 * config/darwin.opt: Sort.
9642 (mmacosx-version-min=): New.
9643 * config/darwin7.h: Delete.
9644 * config/darwin8.h: Delete.
9645 * config/i386/darwin.h (): Call darwin_cpp_builtins.
9646 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
9647 (TARGET_C99_FUNCTIONS): Define.
9648 * config/rs6000/darwin7.h: New.
9649 * config/rs6000/darwin8.h: New.
9650 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
9651 (-mmacosx-version-min): Document.
9653 2005-07-07 Ian Lance Taylor <ian@airs.com>
9655 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
9657 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
9660 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
9662 2005-07-07 Khem Raj <kraj@mvista.com>
9664 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
9665 in bytes, not words.
9667 2005-07-07 Paul Brook <paul@codesourcery.com>
9669 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
9670 DEFAULT_FUNCTION_ARG_PADDING to upward.
9672 2005-07-07 Richard Henderson <rth@redhat.com>
9674 * function.c (locate_and_pad_parm): Record parameter alignment in
9675 stack_alignment_needed.
9677 2005-07-07 David Edelsohn <edelsohn@gnu.org>
9679 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
9680 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
9681 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
9682 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
9683 (define_attr "type"): Add isync, sync, load_l, store_c.
9684 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
9685 Create scratch volatile MEM.
9686 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
9688 (load_locked_<mode>): New.
9689 (store_conditional_<mode>): New.
9690 (sync_compare_and_swap<mode>): Replace with splitter.
9691 (sync_lock_test_and_set<mode>): Replace with splitter.
9692 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
9694 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
9695 is ics. Attribute isync.
9696 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
9698 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
9699 and UNSPECV_SYNC_OP.
9700 (emit_unlikely_jump): New.
9701 (emit_load_locked): New.
9702 (emit_store_conditional): New.
9703 (rs6000_split_compare_and_swap): New.
9704 (rs6000_split_lock_test_and_set): New.
9705 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
9706 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
9707 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
9708 rs6000_split_lock_test_and_set): Declare.
9709 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
9710 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
9711 store_c, isync, sync.
9713 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
9715 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
9716 filenames to gtyp-gen.h.
9717 (s-typ-gen): Use it in place of for loops.
9719 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
9721 * hooks.c (hook_bool_rtx_int_false): New function.
9722 * hooks.h (hook_bool_rtx_int_false): Declare.
9723 * target-def.h (TARGET_COMMUTATIVE_P): Define.
9724 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
9725 * target.h (struct gcc_target): Add commutative_p member.
9726 * targhooks.c (hook_bool_rtx_commutative_p): New function.
9727 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
9728 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
9729 (pa_commutative_p): New function.
9730 * jump.c (target.h): Include.
9731 (rtx_renumbered_equal_p): Use targetm.commutative_p.
9732 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
9734 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9736 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
9737 (s390_expand_setmem): New.
9738 * config/s390/s390.c: Likewise.
9739 (print_shift_count_operand): Truncate to 12 bits instead of 6.
9741 * config/s390/s390.md: ("setmem<mode>"): Accept character as
9742 general_operand. Call new function "s390_expand_setmem".
9743 ("clrmem_long", "*clrmem_long"): Rewrite to ...
9744 ("setmem_long", "*setmem_long"): ... this.
9746 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9748 * config/s390/s390.c: (optimization_options): Enable
9749 TARGET_MVCLE at -Os.
9750 * doc/invoke.texi: Document changes in default behaviour.
9751 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
9753 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9755 * expr.c: (set_storage_via_setmem): Convert opchar to mode
9756 defined by back-end.
9758 2005-07-07 Jakub Jelinek <jakub@redhat.com>
9760 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
9761 all sets in the pattern.
9762 * config/rs6000/rs6000.md (stack_protect_testsi,
9763 stack_protect_testdi): Likewise.
9765 2005-07-06 Jeff Law <law@redhat.com>
9767 * tree-vrp.c (simplify_using_ranges): Kill.
9768 (vrp_finalize): Remove call to simplify_using_ranges.
9769 (simplify_stmt_using_ranges): New function extracted from
9770 simplify_using_ranges.
9771 (simplify_div_or_mod_using_ranges): Likewise.
9772 (simplify_abs_using_ranges): Likewise.
9773 (simplify_cond_using_ranges): New function.
9774 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
9775 * tree-ssa-propagate.c (substitute_and_fold): Call
9776 simplify_stmt_using_ranges if we have range information.
9778 2005-07-06 James E. Wilson <wilson@specifixinc.com>
9780 * config/ia64/ia64.c (ia64_reorg): Check optimize before
9781 ia64_flag_schedule_isns2.
9783 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
9784 reading/writing general registers.
9785 (ia64_function_arg): Revert 2005-06-18 change.
9787 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
9789 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
9790 (legitimize_tls_address): Use gcc_unreachable instead of abort.
9792 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
9794 * function.c (expand_function_end): Revert part of 2005-06-27
9795 patch. Do sjlj_emit_function_exit_after after return_label.
9797 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9799 * doc/install.texi (--disable-libssp): New.
9801 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
9803 * doc/invoke.texi: Update -fforce-mem documentation.
9804 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
9805 code for -fforce-mem.
9806 * expmed.c: (store_bit_field,store_fixed_bit_field,
9807 extract_bit_field): Ditto.
9808 * expr.c: (convert_move): Ditto.
9809 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
9810 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
9811 emit_conditional_add,expand_float,expand_fix): Ditto.
9812 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
9813 (common_handle_option): Issue warning when -fforce-mem specified.
9815 2005-07-06 Paul Brook <paul@codesourcery.com>
9817 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
9819 * configure: Regenerate.
9821 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
9823 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
9825 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
9827 Fix PR tree-optimization/22319
9828 Fix PR tree-optimization/22140
9829 Fix PR tree-optimization/22310
9831 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
9832 variable sized types.
9833 Use correct type for intermediate structure on *a = *b structure
9836 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9838 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
9840 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
9841 (machine_function): Move typedef to...
9842 * config/rs6000/rs6000.c (machine_function): ... here. Add
9843 varargs_save_offset field.
9844 (rs6000_stack_t): Remove varargs_size field.
9845 (setup_incoming_varargs): Allocate varargs save area using
9846 assign_stack_local, try to make it as small as possible.
9847 Save offset from virtual_stack_vars_rtx to the save area
9848 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
9849 instead of magic 8 when fp word byte size is used.
9850 (rs6000_va_start): Use cfun->machine->varargs_save_offset
9851 instead of -RS6000_VARARGS_SIZE.
9852 (rs6000_stack_info, debug_stack_info,
9853 rs6000_initial_elimination_offset): Remove all traces of
9855 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
9856 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
9857 RS6000_VARARGS_AREA.
9859 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9861 PR tree-optimization/21963
9862 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
9863 constant_multiple_of in the same way get_computation_cost_at does.
9865 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9867 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
9868 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
9869 (gen_compare_reg): If sparc_compare_emitted is set, clear it
9870 and return its previous value.
9871 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
9872 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
9874 (stack_protect_set, stack_protect_test): New expanders.
9875 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
9876 stack_protect_testdi): New insns.
9877 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9878 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
9880 2005-07-06 Jeff Law <law@redhat.com>
9882 * tree-ssa-dce.c (cfg_altered): New global.
9883 (tree_dce_init): Initialize cfg_altered.
9884 (remove_dead_stmt): If we remove an edge in the CFG, then set
9886 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
9889 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9891 * Makefile.in (stamp-collect-ld): Use
9892 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
9893 ./collect-ld if it already exists.
9894 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
9895 Don't remove ./nm if it already exists.
9897 2005-07-05 Devang Patel <dpatel@apple.com>
9899 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
9900 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
9901 * tree-vectorizer.c (vect_loop_location): New.
9902 (vect_print_dump_info): Use vect_loop_location.
9903 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
9904 (vectorize_loops): Set vect_loop_location.
9905 * tree-vect-analyze.c (vect_analyze_offset_expr,
9906 vect_determin_vectorization_factor, vect_analyze_operations,
9907 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
9908 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
9909 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
9910 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
9911 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
9912 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
9913 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
9914 vect_analyze_loop): Adjust vect_print_dump_info API.
9915 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9916 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
9917 vect_finish_stmt_generation, vectorizable_assignment,
9918 vectorizable_operation, vectorizable_store, vectorizable_load,
9919 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
9920 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
9921 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
9922 vect_transform_loop): Same.
9923 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
9924 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
9927 2005-07-05 Randolph Chung <tausq@debian.org>
9929 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
9930 * configure: Regenerate.
9931 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
9932 (pa_tls_referenced_p): Declare.
9933 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
9934 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
9935 (legitimize_tls_address): New.
9936 (hppa_legitimize_address): Handle TLS addresses.
9937 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
9938 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9939 (emit_move_sequence): Handle TLS addresses.
9940 (pa_encode_section_info): Call default handler to handle common
9942 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
9943 (CONSTANT_ADDRESS_P): Reject TLS operands.
9944 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
9945 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
9946 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
9947 (UNSPEC_TLSLE): Define new constants.
9948 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
9949 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
9950 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
9951 (tie_symbolic_operand, tle_symbolic_operand): New
9953 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
9955 * aclocal.m4: Update macros for autoconf 2.59 style.
9956 * configure.ac: Likewise.
9958 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9960 * pa.c (function_value): Handle small aggregates on 32-bit targets.
9961 (function_arg): Pass small aggregates in general registers on 32-bit
9963 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
9965 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
9967 * Makefile.in (final.o): Fix dependencies.
9969 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9973 * langhooks.h (struct lang_hooks): Add expr_to_decl.
9974 * langhooks.c (lhd_expr_to_decl): New.
9975 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
9977 (LANG_HOOKS_INITIALIZER): Update.
9978 * tree.c (recompute_tree_invarant_for_addr_expr): Call
9979 expr_to_decl langhook.
9980 * c-tree.h (c_expr_to_decl): Declare.
9981 * c-typeck.c (c_expr_to_decl): New.
9982 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
9984 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
9986 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
9989 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
9990 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
9992 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
9994 * Makefile.in: Adjust dependencies.
9995 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
9996 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
9997 * alias.c (rest_of_handle_cfg, pass_cfg): New.
9998 * bb-reorder.c (duplicate_computed_gotos): Make it static.
9999 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
10000 rest_of_compilation.
10002 * bb-reorder.c (gate_duplicate_computed_gotos,
10003 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
10004 rest_of_handle_reorder_blocks, pass_reorder_blocks,
10005 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
10006 pass_partition_blocks): New.
10007 * bt-load.c (gate_handle_branch_target_load_optimize,
10008 rest_of_handle_branch_target_load_optimize,
10009 pass_branch_target_load_optimize): New.
10010 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
10012 * cfglayout.c (pass_insn_locators_initialize): New.
10013 * cfgrtl.c (pass_free_cfg): New.
10014 * combine.c (gate_handle_combine, rest_of_handle_combine,
10015 pass_combine): New.
10016 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
10017 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
10018 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
10019 * except.c (pass_set_nothrow_function_flags,
10020 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
10022 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
10023 rest_of_handle_shorten_branches, pass_shorten_branches,
10024 rest_of_clean_state, pass_clean_state): New.
10025 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
10026 rest_of_handle_remove_death_notes, pass_remove_death_notes,
10027 rest_of_handle_life, pass_life, rest_of_handle_flow2,
10029 * function.c (pass_instantiate_virtual_regs, pass_init_function,
10030 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
10031 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
10032 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
10034 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
10035 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
10036 pass_rtl_ifcvt, gate_handle_if_after_combine,
10037 rest_of_handle_if_after_combine, pass_if_after_combine,
10038 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
10039 pass_if_after_reload): New.
10040 * integrate.c (pass_initial_value_sets): New.
10041 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
10042 pass_purge_lineno_notes): New.
10043 * mode-switching.c (rest_of_handle_mode_switching,
10044 pass_mode_switching): New.
10045 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
10046 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
10048 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
10049 pass_loop_optimize): New.
10050 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
10052 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
10054 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
10055 pass_postreload_cse): New.
10056 * profile.c (gate_handle_profiling, pass_profiling,
10057 rest_of_handle_branch_prob, pass_branch_prob): New.
10058 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
10059 pass_split_before_regstack, gate_handle_split_before_regstack,
10060 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
10061 rest_of_handle_split_all_insns, pass_split_all_insns): New.
10062 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
10063 pass_stack_regs): New.
10064 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
10065 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
10066 pass_stack_adjustments): New.
10067 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
10068 pass_regrename): New.
10069 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
10070 pass_delay_slots, gate_handle_machine_reorg,
10071 rest_of_handle_machine_reorg, pass_machine_reorg): New.
10072 * rtl.h (extern void purge_line_number_notes): New.
10073 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
10074 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
10076 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
10078 * value-prof.c (gate_handle_value_profile_transformations,
10079 rest_of_handle_value_profile_transformations,
10080 pass_value_profile_transformations): New.
10081 * var-tracking.c (gate_handle_var_tracking,
10082 pass_variable_tracking): New.
10083 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
10085 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
10086 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
10087 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
10088 rest_of_handle_old_regalloc, rest_of_handle_regrename,
10089 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
10090 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
10091 rest_of_handle_gcse2, rest_of_handle_regmove,
10092 rest_of_handle_tracer, rest_of_handle_if_conversion,
10093 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
10094 rest_of_handle_web, rest_of_handle_branch_prob,
10095 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
10096 rest_of_handle_jump_bypass, rest_of_handle_combine,
10097 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
10098 rest_of_handle_gcse, rest_of_handle_loop_optimize,
10099 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
10100 rest_of_handle_mode_switching, rest_of_handle_jump,
10101 rest_of_handle_eh, rest_of_handle_stack_adjustments,
10102 rest_of_handle_flow2, rest_of_handle_jump2,
10103 rest_of_handle_peephole2, rest_of_handle_postreload,
10104 rest_of_handle_shorten_branches, rest_of_clean_state,
10105 rest_of_compilation): Remove.
10107 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
10108 * passes.c (dump_flags, in_gimple_form, all_passes,
10109 all_ipa_passes, all_lowering_passes, register_one_dump_file,
10110 register_dump_files, next_pass_1, last_verified, execute_todo,
10111 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
10112 from tree-optimize.c.
10113 (init_optimization_passes): Moved from tree-optimize.c,
10114 adding the RTL optimizations.
10115 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
10116 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
10117 all_ipa_passes, all_lowering_passes, register_one_dump_file,
10118 register_dump_files, next_pass_1, last_verified, execute_todo,
10119 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
10120 init_tree_optimization_passes, ipa_passes): Delete.
10121 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
10123 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
10124 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
10126 (ipa_passes): Remove.
10127 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
10128 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
10129 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
10130 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
10131 (dump_info_p, dump_flag): Moved to tree-dump.h.
10133 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
10135 * passes.c (finish_optimization_passes): Use dump_begin
10136 and dump_end, TDI_end.
10137 (gate_rest_of_compilation): New.
10138 (pass_rest_of_compilation): Use it.
10139 (gate_postreload, pass_postreload): New.
10140 * toplev.c (general_init): Rename init_tree_optimization_passes.
10141 * toplev.h (init_tree_optimization_passes): Rename to
10142 init_optimizations_passes.
10143 * tree-dump.c (dump_flag): Make static.
10144 (dump_files): Remove RTL dumps.
10145 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
10146 pass_cleanup_cfg, pass_free_cfg_annotations,
10147 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
10148 pass_init_datastructures, pass_fixup_cfg): Make non-static.
10149 * tree-pretty-print.c: Include tree-pass.h.
10150 * cgraph.c: Include tree-dump.h.
10152 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
10154 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
10155 Only fall back to saying it points to readonly memory if
10156 we can't do better.
10158 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10160 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
10161 * config/m32r/m32r.c (m32r_compute_frame_size,
10162 m32r_expand_prologue): Take current_function_profile into
10163 account whenever we reference
10164 current_function_uses_pic_offset_table.
10165 (m32r_finalize_pic): Remove.
10166 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
10168 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
10170 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
10171 instead of $<. Don't remove ./as if it already exists.
10173 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10176 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
10177 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
10178 for complex modes when generating code for PA 1.0.
10179 (VALID_FP_MODE_P): New macro.
10180 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
10181 sets for all general and floating point modes. Align wide floating
10182 point modes to even register boundaries to comply with architectural
10184 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
10185 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
10186 (VALID_FP_MODE_P): New macro.
10187 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
10188 sets for all general and floating point modes. Align wide floating
10189 point modes to even register boundaries to comply with architectural
10192 2005-07-04 Diego Novillo <dnovillo@redhat.com>
10194 * tree-dump.c (dump_files): Initialize dump number for .cgraph
10197 2005-07-04 Diego Novillo <dnovillo@redhat.com>
10199 * tree-ssa-structalias.c: Don't include expr.h.
10201 2005-07-04 Diego Novillo <dnovillo@redhat.com>
10203 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
10206 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
10208 Fix PR tree-optimization/22279
10210 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
10213 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
10215 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
10217 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
10219 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
10220 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
10221 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
10222 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
10223 config/stormy16/stormy16.c, config/v850/v850.c,
10224 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
10225 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
10226 Avoid "." or "\n" at end of diagnostics and capital letters at
10227 start of diagnostics.
10228 * combine.c, cse.c: Don't translate dump file output.
10229 * toplev.c (print_version): Only translate output if going to
10232 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
10234 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
10235 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
10238 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10240 * pa.c (fix_range): Fix typo in comment.
10242 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
10244 * tree-vrp.c (extract_range_from_assert): Replace
10245 fold (build (...)) with fold_build2.
10247 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10249 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
10250 gcc_gfc_char_table, init_dynamic_gfc_info): New.
10251 (format_types_orig, handle_format_attribute): Add support for
10254 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
10256 * varasm.c (assemble_variable): Fix format specifier thinko.
10258 2005-07-03 Ira Rosen <irar@il.ibm.com>
10260 PR tree-optimization/22029 (and 22135)
10261 * tree-pretty-print.c (dump_generic_node): Check that the node is not
10262 a phi node before calling dump_vops.
10264 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
10266 * tree-dump.h (dump_string_field): Declare.
10267 * tree-dump.c: Use it instead of dump_string.
10268 (dump_string_field): Make non-static.
10270 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
10272 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
10273 up the minimal CFG stuff always when optimize > 0. Call
10274 split_all_insns_noflow in PIC case if needed.
10276 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
10277 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
10280 * c-decl.c (c_write_global_declarations): Dump contents of
10282 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
10283 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
10284 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
10285 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
10288 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
10290 * c-common.h (GCC_DIAG_STYLE): Define.
10291 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
10292 version for format checking to 4.1.
10293 * c-format.c: Include toplev.h after c-common.h.
10294 (enum format_type): Add gcc_tdiag_format_type.
10295 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
10296 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
10297 (format_types_orig): Add gcc_tdiag.
10298 (init_dynamic_diag_info): Support gcc_tdiag formats.
10299 (handle_format_attribute): Likewise.
10300 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
10301 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
10302 version for format checking to 4.1.
10303 (warning0, warning, error, pedwarn, sorry): Use
10304 ATTRIBUTE_GCC_DIAG.
10305 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
10306 (finish_aliases_1): Do not use %qE.
10307 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
10308 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
10309 Correct format bugs.
10310 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
10311 parameter to unsigned HOST_WIDE_INT.
10312 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
10314 2005-07-02 David Edelsohn <edelsohn@gnu.org>
10316 PR middle-end/21742
10317 * expr.c (write_complex_part): Use adjust_address for MEM.
10318 (read_complex_part): Same.
10320 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
10322 Fix PR tree-optimization/22280
10324 * tree-sra.c (generate_element_init): Remove useless loop.
10326 2005-07-02 Richard Henderson <rth@redhat.com>
10328 * config/alpha/alpha.c (alpha_legitimize_address): Check for
10330 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
10332 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
10334 PR middle-end/14490
10335 * fold-const.c (fold_binary): Handle the return value of
10336 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
10337 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
10339 2005-07-02 Jeff Law <law@redhat.com>
10341 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
10342 a eliminate type conversion which feeds an equality comparison
10343 if the original type or either operand in the comparison is a
10346 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
10348 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
10349 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
10351 * config/avr/avr.c: Do not use '`' as left quote.
10352 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
10353 Remove "." from end of diagnostics. Make diagnostics start with
10356 2005-07-02 Zack Weinberg <zack@codesourcery.com>
10357 Joseph S. Myers <joseph@codesourcery.com>
10359 * toplev.c (default_tree_printer): Handle setting location with
10361 * c-objc.common.c (c_tree_printer): Likewise.
10362 * c-format.c (gcc_diag_flag_specs): Add '+'.
10363 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
10364 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
10366 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
10367 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
10368 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
10369 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
10370 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
10371 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
10372 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
10373 format arguments where %J is used without %D.
10375 2005-07-02 Jakub Jelinek <jakub@redhat.com>
10377 * gcc.c (LINK_SSP_SPEC): Define.
10378 (link_ssp_spec): New variable.
10379 (LINK_COMMAND_SPEC): Add %(link_ssp).
10380 (static_specs): Add link_ssp_spec.
10381 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
10382 * configure: Rebuilt.
10383 * config.in: Rebuilt.
10385 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10386 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10387 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10388 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10389 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
10390 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
10391 -0x7008(2) instead of reading __stack_chk_guard variable.
10392 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
10394 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
10395 (stack_protect_set, stack_protect_test): Use *_tls* patterns
10396 if TARGET_THREAD_SSP_OFFSET is defined.
10397 (stack_tls_protect_set_si, stack_tls_protect_set_di,
10398 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
10401 2005-06-27 Richard Henderson <rth@redhat.com>
10402 * libgcc-std.ver (GCC_4.1.0): New.
10403 * libgcc.h (__stack_chk_guard): Declare.
10404 (__stack_chk_fail, __stack_chk_fail_local): Declare.
10405 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
10406 * mklibgcc.in (lib2funcs): Add them.
10408 2005-07-01 Richard Henderson <rth@redhat.com>
10410 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
10411 void * before struct sigcontext *.
10412 (x86_fallback_frame_state): Likewise.
10414 2005-07-01 James E. Wilson <wilson@specifixinc.com>
10416 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
10418 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
10421 * tree-ssa-reassoc.c (should_transpose): Fix which operand
10422 we check for SSA_NAME for.
10424 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
10426 Fix PR tree-optimization/22071
10428 * tree-ssa-structalias.c (offset_overlaps_with_access): New
10430 (get_constraint_for_component_ref): Use it.
10432 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
10435 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
10436 print out the last new line.
10438 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
10440 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
10441 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
10442 * config/cris/cris.c (cris_conditional_register_usage): Adjust
10443 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
10444 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
10445 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
10446 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
10447 (enum reg_class): New member CC0_REGS.
10448 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
10449 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
10450 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
10451 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
10452 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
10453 Adjust for register now described.
10455 2005-07-01 Jakub Jelinek <jakub@redhat.com>
10458 * config/i386/i386.md (stack_protect_test_si,
10459 stack_protect_test_di): Add earlyclobber for scratch 3.
10460 * config/rs6000/rs6000.md (stack_protect_testsi,
10461 stack_protect_testdi): Add earlyclobber for scratch 3,
10462 remove earlyclobber from scratch 4.
10464 Older entries for 2005 can be found in ChangeLog-2005.