| blob | f9c5b17373dabb4623066fd77dc94a6c01360065 |
1 2005-12-05 Joseph S. Myers <joseph@codesourcery.com>
3 * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
4 __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
5 __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
6 __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
7 __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
8 __divxc3): Document.
10 2005-12-05 Geoffrey Keating <geoffk@apple.com>
12 * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
13 previous behaviour.
14 * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
15 hook_bool_void_false.
16 (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
17 * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
19 * config/darwin.c (machopic_select_section): It's not defined
20 as weak if it's only marked as weak_import.
22 * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
23 Prototype.
25 * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
26 A hidden weak object does bind locally. Strong linkonce data
27 counts like any other strong symbol for binding.
28 (weak_finish_1): Don't specially handle weakrefs, they no longer
29 arrive here.
30 (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
31 * c-common.c (handle_alias_attribute): Allow static aliases
32 of variables.
33 (handle_weakref_attribute): Don't call declare_weak on weakrefs.
34 * gthr-dce.h: Make weakrefs static.
35 * gthr-tpf.h: Likewise.
36 * gthr-solaris.h: Likewise.
37 * gthr-posix.h: Likewise.
38 * gthr-posix95.h: Likewise.
39 * config/darwin.c (darwin_encode_section_info): static weakref
40 variables are not necessarily defined in this translation unit.
41 * doc/extend.texi (Function Attributes): Mention that an alias
42 attribute creates a definition for the thing it's attached to.
43 Change the documentation for weakref to say that the thing
44 it's attached to must be static.
46 * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
47 we don't go into an infinite loop.
49 2005-12-05 Paolo Bonzini <bonzini@gnu.org>
51 * config/rs6000/predicates.md (logical_const_operand): Split
52 out of logical_operand.
53 (logical_operand): Use it.
54 * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
55 logical_const_operand.
57 2005-12-05 Jan Beulich <jbeulich@novell.com>
59 * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
60 and IX86_BUILTIN_CMPNESS.
61 (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
62 * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
63 * config/i386/i386.md (movti_internal): Correct type attribute.
64 Simplify mode attribute.
65 (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
66 Correct type attribute.
67 (absxf2): Correct operator.
68 * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
69 movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
70 * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
71 mode attribute.
72 (sse2_vmsqrtv2df2): Correct mode attribute.
74 2005-12-05 Jan Beulich <jbeulich@novell.com>
76 * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
77 16 bits. Provide insn pattern for this case.
79 2005-12-05 Jan Beulich <jbeulich@novell.com>
81 * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
82 result.
83 (__popcountDI2): Likewise.
85 2005-12-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
87 PR target/25166
88 * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
89 _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
90 * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
91 functions.
93 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
95 * c-typeck.c (null_pointer_constant_p): New function.
96 (build_conditional_expr, build_c_cast, convert_for_assignment,
97 build_binary_op): Use it.
99 2005-12-04 Joseph S. Myers <joseph@codesourcery.com>
101 * c-common.c (binary_op_error): Do not allow NOP_EXPR.
102 (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
103 CONVERT_EXPR.
104 (check_function_arguments_recurse): Allow both NOP_EXPR and
105 CONVERT_EXPR but check conversions preserve precision.
106 * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
107 but check conversions preserve precision.
108 (build_unary_op): Don't allow NOP_EXPR. Use gcc_unreachable () in
109 default case.
111 2005-12-04 Roger Sayle <roger@eyesopen.com>
113 PR c/7776
114 * common.opt (Wstring-literal-comparison): New command line option.
115 * c-opts.c (c_common_handle_option): Set it with -Wall.
116 * c-typeck.c (parser_build_binary_op): Issue warning if either
117 operand of a comparison operator is a string literal, except for
118 testing equality or inequality against NULL.
120 * doc/invoke.texi: Document new -Wstring-literal-comparison option.
122 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
124 * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
125 of building a NOP_EXPR.
126 (c_alignof_expr): Likewise. Handle CONVERT_EXPR the same as
127 NOP_EXPR.
128 * c-convert.c (convert): Use fold_convert instead of building
129 NOP_EXPRs and CONVERT_EXPRs directly. Don't special case
130 c_objc_common_truthvalue_conversion returning a NOP_EXPR. Remove
131 #if 0 code.
132 * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
133 NOP_EXPR the same as CONVERT_EXPR.
134 * c-typeck.c (build_function_call): Use fold_convert instead of
135 building a NOP_EXPR directly.
136 (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
138 2005-12-03 Alan Modra <amodra@bigpond.net.au>
140 PR rtl-optimization/25197
141 * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
142 have a reg.
144 2005-12-02 Stuart Hastings <stuart@apple.com>
146 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
147 warning.
149 2005-12-03 Joseph S. Myers <joseph@codesourcery.com>
151 * c-typeck.c (default_function_array_conversion,
152 build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
153 (build_conditional_expr): Apply integer_zerop to orig_op1 and
154 orig_op2. Don't check them for NOP_EXPR.
155 (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
156 around integer zero.
158 2005-12-03 Alan Modra <amodra@bigpond.net.au>
160 * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
161 toc_save_offset, toc_size, lr_size.
162 (rs6000_stack_info): Use memset rather than bss struct copy to init.
163 Test rs6000_ra_ever_killed last in condition setting lr_save_p.
164 Adjust for removal of unused rs6000_stack_t fields.
165 (debug_stack_info): Adjust.
166 (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE. Test for calls
167 first, and don't bother checking for set/inc of lr on sibcalls.
168 (rs6000_emit_epilogue): Tidy code restoring stack pointer.
170 2005-12-02 Jakub Jelinek <jakub@redhat.com>
172 PR target/25199
173 * config/i386/i386.md (movqi_1): Only force imovx for alternative
174 5 if operand 1 is not aligned. Undo previous constraint change.
175 * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
177 2005-12-02 Richard Guenther <rguenther@suse.de>
179 * tree.h (build): Remove prototype.
180 (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
181 * tree.c (build): Remove.
182 (build0_stat): Update comment.
184 2005-12-02 Richard Guenther <rguenther@suse.de>
186 * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
187 * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
188 Likewise.
189 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
190 maybe_fold_offset_to_component_ref): Likewise.
191 * tree-ssa-dom.c (thread_across_edge,
192 simplify_rhs_and_lookup_avail_expr,
193 find_equivalent_equality_comparison, record_equivalences_from_stmt):
194 Likewise.
195 * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
196 * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
197 lower_try_finally_switch): Likewise.
198 * tree-if-conv.c (add_to_dst_predicate_list,
199 replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
200 * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
201 voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
202 gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
203 gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
204 shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
205 gimplify_init_ctor_eval, gimplify_init_constructor,
206 gimplify_variable_sized_compare, gimplify_boolean_expr,
207 gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
208 gimplify_expr, gimplify_body, gimplify_function_tree,
209 force_gimple_operand): Likewise.
210 * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
211 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
212 mx_register_decls): Likewise.
213 * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
214 get_frame_field, finalize_nesting_tree_1): Likewise.
215 * tree-inline.c (setup_one_parameter): Likewise.
216 * tree-vect-transform.c (vectorizable_condition): Likewise.
217 * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
218 Likewise.
219 * tree-profile.c (tree_gen_edge_profiler): Likewise.
220 * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
221 * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
222 * tree-chrec.h (build_polynomial_chrec): Likewise.
224 2005-12-02 Richard Guenther <rguenther@suse.de>
226 * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
227 alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
228 * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
229 * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
230 * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
231 * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
232 * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
233 Likewise.
234 * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
235 sh_adjust_unroll_max): Likewise.
236 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
237 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
238 * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
239 Likewise.
240 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
241 Likewise.
242 * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
243 Likewise.
245 2005-12-02 Richard Guenther <rguenther@suse.de>
247 * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
248 simplify_cond_using_ranges): Use buildN instead of build.
249 * tree-tailcall.c (adjust_accumulator_values,
250 adjust_return_value): Likewise.
251 * tree-sra.c (generate_one_element_ref, generate_copy_inout,
252 generate_element_copy, generate_element_zero,
253 generate_one_element_init): Likewise.
254 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
255 * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
256 lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
257 perfect_nestify): Likewise.
259 2005-12-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
261 * pa.c (pa_secondary_reload): Revise initialization of variable regno.
263 2005-12-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
265 * ggc.h (GGC_RESIZEVEC): New.
267 2005-12-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
269 * gcc.c (execute): Improve readability.
271 2005-12-02 Richard Guenther <rguenther@suse.de>
273 * tree-cfg.c (mark_used_vars): New function.
274 (dump_function_to_file): Dump only used VAR_DECLs.
276 2005-12-02 Richard Guenther <rguenther@suse.de>
278 * convert.c (convert_to_integer): Fix compare for nonpositive
279 constant to use tree_int_cst_sgn <= 0.
281 2005-12-02 Richard Guenther <rguenther@suse.de>
283 * convert.c (convert_to_integer): Use fold_convert instead
284 of fold_build1 (NOP_EXPR, ...). Use tree_int_cst_sgn < 0
285 instead of comparing against 0. Use build_int_cst instead
286 of converting integer_zero_node.
288 2005-12-02 Richard Guenther <rguenther@suse.de>
290 * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
291 and RROTATE_EXPR.
293 2005-12-02 Alan Modra <amodra@bigpond.net.au>
295 PR target/21017
296 * combine.c (simplify_logical <IOR>): Simplify more patterns to
297 rotates.
299 2005-12-02 Alan Modra <amodra@bigpond.net.au>
301 PR middle-end/25176
302 * function.c (expand_function_end): Emit blockage for unwinder
303 after return label.
305 2005-12-01 Roger Sayle <roger@eyesopen.com>
307 * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
308 constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
309 * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
310 integer constant comparisons.
312 2005-12-02 Jon Grimm <jgrimm2@us.ibm.com>
313 Janis Johnson <janis187@us.ibm.com>
314 David Edelsohn <dje@watson.ibm.com>
315 Ben Elliston <bje@au.ibm.com>
317 * dfp.h, dfp.c: New files.
318 * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
319 (DECNUM_H): Likewise.
320 (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
321 (INCLUDES): Append $(DECNUMINC).
322 (OBJS-common): Add dfp.o.
323 (dfp.o): New rule.
324 * real.h (EXP_BITS): Pinch one bit to ..
325 (struct real_value): Add decimal field.
326 (real_format): Change table size, update documentation.
327 (REAL_MODE_FORMAT): Update for to handle float, decimal float.
328 (real_from_string3): Declare.
329 (decimal_single_format): Declare.
330 (decimal_double_format): Declare.
331 (decimal_quad_format): Declare.
332 (REAL_VALUE_TO_TARGET_DECIMAL32): New.
333 (REAL_VALUE_TO_TARGET_DECIMAL64): New.
334 (REAL_VALUE_TO_TARGET_DECIMAL128): New.
335 * real.c: Include dfp.h.
336 (normalize): Early return for decimal floats.
337 (do_add): Zero decimal field.
338 (do_compare): Call do_decimal_compare for decimal floats.
339 (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
340 (real_arithmetic): Call decimal_real_arithmetic for decimal
341 floating point operands.
342 (real_identical): If a and b are of differing radix, return false.
343 (real_to_integer): Call decimal_real_to_integer if the value is a
344 decimal float.
345 (real_to_integer2): Likewise, call decimal_real_to_integer2.
346 (real_to_decimal): Likewise, call decimal_real_to_decimal.
347 (real_to_hexadecimal): Place "N/A" in the return string for
348 decimal float.
349 (real_from_string3): New variant, given a mode.
350 (real_maxval): Use decimal_real_maxval for decimal floats.
351 (round_for_format): Use decimal_round_for_format for decimals.
352 (real_convert): Use decimal_real_convert where appropriate.
353 (significand_size): Handle base 10.
354 (encode_decimal_single, decode_decimal_single,
355 encode_decimal_double, decode_decimal_double, encode_decimal_quad,
356 decode_decimal_quad): New functions.
357 (decimal_single_format): New.
358 (decimal_double_format): New.
359 (decimal_quad_format): New.
360 * machmode.def: Add SD, DD and TD decimal floating point modes.
361 * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
362 Include MODE_DECIMAL_FLOAT.
363 (DECIMAL_FLOAT_MODE_P): New.
364 * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
365 * genmodes.c (struct mode_data): Add counter field.
366 (struct mode_data): Update comment for format.
367 (blank_mode): Initialise counter field.
368 (new_mode): Increment counter field for each mode defined.
369 (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
370 using a format.
371 (make_complex_modes): Handle modes containing `D'.
372 (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
373 (make_decimal_float_mode): New.
374 (reset_float_format): Handle MODE_DECIMAL_FLOAT.
375 (cmp_modes): Compare counter field if other characteristics
376 similar.
377 (emit_real_format_for_mode): Support formats for decimal floats.
378 * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
379 Document MODE_DECIMAL_FLOAT.
381 2005-12-02 Alan Modra <amodra@bigpond.net.au>
383 * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
384 Delete dead code.
386 2005-12-01 Richard Henderson <rth@redhat.com>
388 * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
390 2005-12-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
392 * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
394 * config/pa/pa.c (pa_init_builtins): If we detect
395 DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
396 putc_unlocked.
398 2005-12-01 Richard Guenther <rguenther@suse.de>
400 * fold-const.c (fold_binary): Use fold_build2, not
401 fold (build (...)).
403 2005-12-01 Nathan Sidwell <nathan@codesourcery.com>
405 * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
407 * vec.h (VEC_block_remove): New.
409 2005-12-01 Gabriel Dos Reis <gdr@integrable-solutions.net>
411 PR c/13384
412 * c-common.c (lvalue_error): Fix wording.
414 2005-12-01 Richard Guenther <rguenther@suse.de>
416 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
417 thinko in last patch.
419 2005-12-01 Geoffrey Keating <geoffk@apple.com>
421 * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
422 than -flat_namespace.
424 2005-12-01 Ben Elliston <bje@au.ibm.com>
426 * mklibgcc.in: Parameterise the script to build soft float
427 functions by iterating over each type, rather than cloning the
428 code for each type.
430 2005-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
432 PR middle-end/25158
433 * builtins.c (fold_builtin_fputs): Defer check for missing
434 replacement functions.
436 2005-11-30 Kean Johnston <jkj@sco.com>
438 * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
439 simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
441 2005-11-30 Richard Guenther <rguenther@suse.de>
443 PR tree-optimization/22501
444 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
445 function split out from ...
446 (forward_propagate_addr_expr): ... here. Use it to propagate
447 ADDR_EXPRs to all uses.
449 2005-11-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
451 * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
452 * builtins.c (expand_builtin_mathfn): Use them.
453 (expand_builtin_mathfn_2): Likewise.
454 (expand_builtin_mathfn_3): Likewise.
455 (expand_builtin_int_roundingfn): Likewise.
456 (expand_builtin): Likewise.
457 (integer_valued_real_p): Likewise.
458 (fold_builtin_int_roundingfn): Likewise.
459 (fold_builtin_bitop): Likewise.
460 (fold_builtin_logarithm): Likewise.
461 (fold_builtin_1): Likewise.
462 * convert.c (convert_to_integer): Likewise.
463 * fold-const.c (negate_mathfn_p): Likewise.
464 (tree_expr_nonnegative_p): Likewise.
466 2005-11-30 Dale Johannesen <dalej@apple.com>
467 Andrew Pinski <pinskia@physics.uc.edu>
469 * combine.c (find_split_point): Sign extend bitmask
470 when changing bitfield assignment to IOR of AND.
472 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
474 * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
475 clobber to scratch reg.
476 (*decrement_and_branch_until_zero_no_clobber): Remove.
477 (decrement_and_branch peephole): Add dummy scratch reg to pattern.
478 (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
479 * config/ms1/ms1.opt (mmul): Remove.
480 * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
481 (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
483 2005-11-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
484 Bernd Schmidt <bernd.schmidt@analog.com>
486 * pa/predicates.md (symbolic_operand): Add comment.
487 * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
488 * pa/pa-protos.h (pa_secondary_reload_class): Delete.
489 * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
490 (pa_secondary_reload_class): Delete.
491 (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
492 and pa_secondary_reload_class. Reorder some checks. Update inline
493 copy of symbolic operand.
494 * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
496 2005-11-30 Nathan Sidwell <nathan@codesourcery.com>
498 * loop-doloop.c (add_test): Only add jump notes if we did emit a
499 jump.
501 2005-11-30 Jeff Law <law@redhat.com>
503 * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
504 handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
506 2005-11-30 Jakub Jelinek <jakub@redhat.com>
508 * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
509 Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
510 (ia64_expand_move): Adjust caller.
512 * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
513 fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
514 negate VAL.
516 2005-11-30 Paolo Bonzini <bonzini@gnu.org>
518 * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
519 Always produce an output if we can remove NEGs or canonicalize
520 (minus (minus ...)) expressions. Provide a fast path for the
521 two-operand case.
522 (simplify_gen_binary): Do not call simplify_plus_minus.
523 (simplify_binary_operation_1): Reassociate at the end of the
524 function.
526 2005-11-29 Evan Cheng <evan.cheng@apple.com>
528 * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
529 moves and unpack to speed up.
531 2005-11-29 David S. Miller <davem@sunset.davemloft.net>
533 * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
534 argument, they are always sparc_compare_op0 and sparc_compare_op1.
535 (gen_v9_scc): Update callers.
536 * config/sparc/sparc.md: Likewise.
537 * config/sparc/sparc-protos.h: Update extern declaration.
539 * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
541 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
543 * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
544 the if.
546 2005-11-29 Andrew Pinski <pinskia@physics.uc.edu>
548 * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
549 (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
550 (negate_expr): Here.
552 2005-11-29 Ben Elliston <bje@au.ibm.com>
554 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
555 Fix typo in comment.
557 2005-11-29 Ben Elliston <bje@au.ibm.com>
559 * Makefile.in (clean-target): Depend on clean-target-libgcc.
560 (clean-target-libgcc): Import rule from the top-level Makefile.in.
562 2005-11-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
564 PR middle-end/20109
565 PR middle-end/25120
566 * builtins.c (init_target_chars): New.
567 (expand_builtin_printf, expand_builtin_fprintf,
568 expand_builtin_sprintf, fold_builtin_sprintf,
569 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
570 fold_builtin_snprintf_chk, fold_builtin_printf,
571 fold_builtin_fprintf): Check for matching format strings using
572 the target charset.
574 2005-11-29 Paul Brook <paul@codesourcery.com>
576 * config.gcc: Do not use fixproto on m68k-elf.
578 2005-11-28 Roger Sayle <roger@eyesopen.com>
580 * expmed.c (div_cost): Replace with...
581 (sdiv_cost, udiv_cost): New.
582 (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
583 Rename the div and mod fields, used to initialize sdiv_pow2_cheap
584 and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
585 (expand_divmod): Replace use of div_cost with either sdiv_cost
586 or udiv_cost depending upon the signedness of the operation.
588 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
590 PR libfortran/24991
591 * config/darwin.c (machopic_indirection_name,
592 machopic_output_indirection): Follow transparent alias chain.
594 2005-11-28 Alexandre Oliva <aoliva@redhat.com>
596 * varasm.c (ultimate_transparent_alias_target): Add comment.
598 2005-11-28 Kazu Hirata <kazu@codesourcery.com>
600 * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
601 SET_SRC instead of XEXP where appropriate.
603 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
605 * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
606 __builtin_expect.
608 2005-11-28 Joseph S. Myers <joseph@codesourcery.com>
610 * config/fp-bit.h (LSHIFT): Take shift count parameter.
611 * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
612 bit at a time.
614 2005-11-28 Bernd Schmidt <bernd.schmidt@analog.com>
616 * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
617 secondary_input_reload_class, made static. Adapt to new
618 infrastructure.
619 (secondary_output_reload_class): Delete.
620 (TARGET_SECONDARY_RELOAD): New macro.
621 * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
622 SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
624 2005-11-28 Nathan Sidwell <nathan@codesourcery.com>
626 PR c++/21166
627 * c-decl.c (finish_struct): Only set DECL_PACKED on a field
628 when its natural alignment is > BITS_PER_UNIT.
629 * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
630 * c-common.c (handle_packed_attribute): Ignore packing on a field
631 whose type is naturally char aligned.
633 2005-11-28 Richard Guenther <rguenther@suse.de>
635 * c-common.c (strict_aliasing_warning): Handle all
636 component-ref like accesses.
638 2005-11-28 Roger Sayle <roger@eyesopen.com>
639 Uros Bizjak <uros@kss-loka.si>
641 PR middle-end/20219
642 * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
643 sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
644 when flag_unsafe_math_optimizations is set and
645 we don't care about NaNs or Infinities.
647 Move x/expN(y) and x/pow(y,z) transformation into common
648 flag_unsafe_math_optimizations section.
650 2005-11-27 Mark Mitchell <mark@codesourcery.com>
652 * gcc.c (main): Change type of argv to "char **".
654 2005-11-28 Alan Modra <amodra@bigpond.net.au>
656 * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
657 small data sections.
658 * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
659 * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
660 * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
661 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm. Don't
662 output locals to sbss if !rs6000_elf_in_small_data_p.
663 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
665 2005-11-28 Alan Modra <amodra@bigpond.net.au>
667 PR target/24997
668 * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
669 generated by reload.
670 * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
671 indexed_or_indirect_address.
672 (indexed_or_indirect_address): Don't test for base reg. Call
673 address_operand last. Make it a special predicate.
675 2005-11-27 Kazu Hirata <kazu@codesourcery.com>
677 * config/m68k/m68k.c (notice_update_cc): Remove useless code.
679 2005-11-27 Andrew Pinski <pinskia@physics.uc.edu>
681 PR middle-end/24575
682 * fold-const.c (negate_expr_p): Add case for signed divides if overflow
683 is undefined.
684 (negate_expr): Likewise.
686 2005-11-27 Andreas Schwab <schwab@suse.de>
688 * config/m68k/m68k.c: Reindent and fix whitespace, remove
689 redundant parens.
691 2005-11-27 Steven Bosscher <stevenb@suse.de>
693 * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
694 has EH predecessor edges.
696 2005-11-26 Eric Christopher <echristo@apple.com>
698 * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
699 register stalls by zero extending to the full register.
701 2005-11-27 Joseph S. Myers <joseph@codesourcery.com>
703 * config/floatunsisf.c, config/floatunsidf.c,
704 config/floatunsixf.c, config/floatunsitf.c: New files.
705 * config/ia64/t-hpux: Add floatunsitf.c.
706 * config/ia64/ia64.c (ia64_init_libfuncs): Use
707 _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
709 2005-11-26 Richard Henderson <rth@redhat.com>
711 * c-lex.c (pragma_lex): Rename from c_lex.
712 * c-pch.c: Update for pragma_lex rename.
713 * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
714 * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
715 * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
716 * config/sol2-c.c, config/v850/v850-c.c: Likewise.
717 * doc/tm.texi: Likewise.
719 2005-11-26 Andrew Pinski <pinskia@physics.uc.edu>
721 PR middle-end/23669
722 * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
723 when overflow is undefined.
725 2005-11-26 Hans-Peter Nilsson <hp@axis.com>
727 * doc/md.texi (Insn Canonicalizations): Refer to the
728 function commutative_operand_precedence for further rules.
730 2005-11-25 Roger Sayle <roger@eyesopen.com>
732 PR middle-end/21309
733 * expmed.c (choose_mult_variant): Return immediately when mult_cost
734 is less than zero. Limit mult_cost to a reasonable upper bound for
735 the synthetic multiplication sequence.
737 2005-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
739 PR middle-end/25022
740 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
741 fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
742 Lookup the explicit replacement functions for any unlocked
743 stdio builtin transformations.
745 2005-11-25 Hans-Peter Nilsson <hp@axis.com>
747 * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
748 earlyclobber.
749 * targhooks.c (default_secondary_reload): Don't require operand 2
750 for an input reload to be earlyclobber.
752 2005-11-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
754 * fold-const.c (negate_mathfn_p): Fix comment and add support
755 for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
756 BUILT_IN_ATANH.
758 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
760 PR middle-end/24998
761 * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
762 _Q_ulltoq for unsigned conversions from SImode and DImode to
763 TFmode.
765 2005-11-25 Alan Modra <amodra@bigpond.net.au>
767 * config/rs6000/ppc64-fp.c (__floatunditf): New function.
768 (__floatundidf, __floatundisf): Likewise.
770 2005-11-25 David Edelsohn <edelsohn@gnu.org>
772 * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
773 (rs6000_override_options): Remove initialization of
774 rs6000_sr_alias_set.
775 (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
776 (rs6000_emit_stack_tie): Same.
777 (emit_frame_save): Same.
778 (gen_frame_mem_offset): Same.
779 (rs6000_emit_prologue): Same.
780 (rs6000_emit_epilogue): Same.
782 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
784 PR middle-end/24989
785 * fold-const.c (fold_build): Convert bool_var != 1 and
786 bool_var == 0 to !bool_var.
788 2005-11-25 Andrew Pinski <pinskia@physics.uc.edu>
790 PR middle-end/24990
791 * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
792 for C being INTEGER_CST. Likewise for !=.
794 2005-11-25 Joseph S. Myers <joseph@codesourcery.com>
796 PR middle-end/24998
797 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
798 unsigned conversions from SImode to TFmode.
800 2005-11-24 Bernd Schmidt <bernd.schmidt@analog.com>
802 * expr.c (expand_expr_real_1): Fix error in last change.
804 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
806 * caller-save.c: (this_insn_sets): Move into:
807 (save_call_clobbered_regs).
808 (mark_set_regs): Get this_insn_sets from data.
810 (save_call_clobbered_regs): Take sets of the return value by
811 sibcalls into account.
813 2005-11-24 J"orn Rennecke <joern.rennecke@st.com>
814 PR target/21623:
816 * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
817 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
818 (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
819 (memory_move_secondary_cost, init_reg_autoinc): Remove
820 SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
821 Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
822 secondary_reload_class call.
823 (copy_cost): Likewise. Add new parameter prev_sri. Changed all
824 callers.
825 * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
826 (push_secondary_reload): Use secondary_reload target hook.
827 (secondary_reload_class, scratch_reload_class): New functions.
828 (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
829 SECONDARY_OUTPUT_RELOAD_CLASS tests. Replace
830 SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
831 * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
832 (secondary_reload_class, scratch_reload_class): Declare.
833 * reload1.c: Include target.h.
834 (reload_adjust_reg_for_temp): New function.
835 (reload_adjust_reg_for_icode): Likewise.
836 (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
837 Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
838 call.
839 (emit_input_reload_insns): Likewise. Rewrite secondary reload checks
840 for inheritance. Support case when both secondary & tertiary reloads
841 are for intermediate registers.
842 (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
843 with secondary_reload_class call. Support case when both secondary
844 & tertiary reloads are for intermediate registers.
845 * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
846 (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
847 * target.h (secondary_reload_info): New struct / typedef.
848 (struct gcc_target): New member secondary_reload.
849 * targhooks.c Include reload.h, optabs.h and recog.h.
850 (default_secondary_reload): New function.
851 * targhooks.h (default_secondary_reload): Declare.
852 * doc/tm.texi: Document secondary_reload target hook. Update
853 description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
854 * doc/md.texi: Likewise.
856 * sh-protos.h (sh_secondary_reload): Declare.
857 * sh.c (TARGET_SECONDARY_RELOAD): Override.
858 (sh_secondary_reload): New function.
859 * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
860 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
861 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
862 (HAVE_SECONDARY_RELOADS): Define.
863 * sh.md (reload_indf): Rename to:
864 (reload_indf__frn).
865 (reload_outdf): Rename to:
866 (reload_outdf__RnFRm).
867 (reload_insf): Rename to:
868 (reload_insf__frn).
869 (reload_insi): Rename to:
870 (reload_insi__i_fpul).
872 2005-11-24 Uros Bizjak <uros@kss-loka.si>
874 * configure.ac: Require at least texinfo 4.4.
875 * configure: Regenerate.
877 * doc/install.texi (Tools/packages necessary for building GCC):
878 Update required version of texinfo to at least 4.4.
879 (Installing GCC: Building): Update required version of texinfo
880 to at least 4.4.
881 (Installing GCC: Final installation): Update required version
882 of texi2dvi to at least 4.4.
883 (Host/target specific installation notes for GCC): Update required
884 version of texinfo to at least 4.4.
886 2005-11-24 Richard Guenther <rguenther@suse.de>
887 Dirk Mueller <dmueller@suse.de>
889 PR c++/14024
890 * c-common.h (strict_aliasing_warning): Declare.
891 * c-common.c (strict_aliasing_warning): New function,
892 split out from ...
893 * c-typeck.c (build_c_cast): ... here.
895 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
897 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
898 to order operands.
899 (swap_commutative_operands_with_target): New.
901 2005-11-24 Paolo Bonzini <bonzini@gnu.org>
903 * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
904 also when doing PRE, rather than only for global CPROP.
906 2005-11-24 Ben Elliston <bje@au.ibm.com>
908 * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
909 * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
910 formatting.
911 (expand_twoval_unop): Likewise.
912 (widen_clz): Likewise.
913 (expand_parity): Likewise.
914 (expand_unop): Likewise.
915 (emit_cmp_and_jmp_insn_1): Likewise.
916 (prepare_float_lib_cmp): Likewise.
918 2005-11-24 Ben Elliston <bje@au.ibm.com>
920 * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
921 Remove unused `class' variable.
923 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
925 PR c++/21667
926 * c-typeck.c (build_array_ref): Avoid code duplicate. Use common
927 C/C++ diagnostic function warn_array_subscript_with_type_char.
928 * c-common.h (warn_array_subscript_with_type_char): Declare.
929 * c-common.c (warn_array_subscript_with_type_char): Define.
931 2005-11-23 Gabriel Dos Reis <gdr@integrable-solutions.net>
933 PR c/21668
934 * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
935 compiling at the intersection of C and C++.
937 2005-11-23 Mark Mitchell <mark@codesourcery.com>
939 * doc/invoke.texi: For man pages, include gcc-vers.texi.
940 List @file in the option summary. Include the libiberty
941 documentation for @file.
942 * gcc.c (main): Call expandargv.
943 * Makefile.in (gcc-vers.texi): Define srcdir.
945 2005-11-23 Diego Novillo <dnovillo@redhat.com>
947 * passes.c (init_optimization_passes): Document
948 sequencing of passes.
950 2005-11-23 Kazu Hirata <kazu@codesourcery.com>
952 * config/m68k/predicates.md (pcrel_address, extend_operator,
953 post_inc_operand, pre_dec_operand): Remove redundant
954 conditionals.
955 (const_uint32_operand, const_sint32_operand): Use gcc_assert
956 instead of abort.
957 (valid_dbcc_comparison_p): Rewrite in the lisp style.
959 2005-11-23 Ben Elliston <bje@au.ibm.com>
961 * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
963 2005-11-22 J"orn Rennecke <joern.rennecke@st.com>
965 Preparatory work for PR target/21623:
966 * alpha.c (secondary_reload_class): Rename to:
967 (alpha_secondary_reload_class).
968 * alpha.h, alpha-protos.h: Likewise.
969 * mn10300.c (secondary_reload_class): Rename to:
970 (mn10300_secondary_reload_class).
971 * mn10300.h, mn10300-protos.h: Likewise.
972 * pa.c (secondary_reload_class): Rename to:
973 (pa_secondary_reload_class).
974 * pa.h, pa-protos.h: Likewise.
975 * rs6000.c (secondary_reload_class): Rename to:
976 rs6000_secondary_reload_class.
977 * rs6000.h, rs6000-protos.h: Likewise.
979 2005-11-22 Eric Botcazou <ebotcazou@adacore.com>
981 PR middle-end/22561
982 * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
984 2005-11-22 Ian Lance Taylor <ian@airs.com>
986 * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
987 a mode_class.
988 (prepare_cmp_insn): Likewise.
990 2005-11-22 Kazu Hirata <kazu@codesourcery.com>
992 PR target/23435
993 * m68k.md (zero_extendsidi2): Force operands[1] to a register
994 if both operands[0] and operands[1] are memory.
996 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
998 PR middle-end/23606
999 * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
1000 COMPARISON_CLASS_P and an integral types create create a new
1001 expression with the new type and fold that.
1003 2005-11-22 Andrew Pinski <pinskia@physics.uc.edu>
1005 PR target/24988
1006 * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
1007 to SUBTARGET_OS_CPP_BUILTINS.
1009 2005-11-22 Richard Earnshaw <richard.earnshaw@arm.com>
1011 * arm.c (emit_set_insn): New function.
1012 (arm_split_constant): Call it.
1013 (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
1014 (arm_legitimize_address): Likewise. Use plus_constant.
1015 (arm_expand_prologue): Likewise. Use VOIDmode in SET.
1016 (thumb_expand_prologue): Likewise.
1017 (arm_gen_load_multiple): Use VOIDmode in SET.
1018 (arm_gen_store_multiple): Likewise.
1019 (vfp_emit_fstmx): Likewise. Use plus_constant.
1020 (emit_multi_reg_push): Likewise.
1021 (emit_sfm): Use plus_constant.
1023 2005-11-23 Alan Modra <amodra@bigpond.net.au>
1025 PR target/24954
1026 * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
1027 typo last change.
1029 2005-11-22 Alan Modra <amodra@bigpond.net.au>
1031 PR middle-end/24950
1032 * expmed.c (store_bit_field): Don't attempt to insv a field
1033 larger than the reg.
1035 2005-11-22 Alan Modra <amodra@bigpond.net.au>
1037 PR target/24954
1038 * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
1039 explicit sign extension, not a (char) cast.
1041 2005-11-22 Ben Elliston <bje@au.ibm.com>
1043 * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
1044 GET_MODE_CLASS (x) == MODE_FLOAT.
1045 * config/i386/i386.c: Likewise.
1046 * config/rs6000/xcoff.h: Likewise.
1047 * config/rs6000/linux64.h: Likewise.
1048 * config/rs6000/rs6000.c: Likewise.
1049 * config/rs6000/rs6000.h: Likewise.
1050 * config/rs6000/predicates.md: Likewise.
1051 * config/rs6000/sysv4.h: Likewise.
1053 2005-11-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1055 * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
1056 flag_pic is set.
1058 * config/alpha/freebsd.h, config/alpha/linux.h,
1059 config/arm/linux-elf.h, config/bfin/bfin.h,
1060 config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
1061 config/i386/beos-elf.h, config/i386/gnu.h,
1062 config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
1063 config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
1064 config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
1065 config/rs6000/linux64.h, config/rs6000/sysv4.h,
1066 config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
1067 config/sh/linux.h, config/sh/sh.h, config/sol2.h,
1068 config/sparc/linux.h, config/sparc/linux64.h,
1069 config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
1071 * doc/invoke.texi: Document that the macros __pic__ and __PIC__
1072 are both defined when either flag -fpic or -fPIC are used.
1074 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
1076 * config/fp-bit.c (clzusi): New function.
1077 (si_to_float, usi_to_float): Use it to compute proper shift.
1078 (usi_to_float): Preserve guard bits when shifting right.
1079 * libgcc-std.ver (GCC_4.2.0): New version.
1080 * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
1081 __floatundisf): New functions.
1082 * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
1083 __floatundisf): Declare.
1084 * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
1085 _floatundixf, and _floatunditf.
1086 * optabs.c (expand_float): If target does not define a pattern for
1087 signed or unsigned conversion, use an unsigned libcall instead of
1088 a signed one.
1089 (init_optabs): Initialize ufloat_optab.
1091 2005-11-22 Joseph S. Myers <joseph@codesourcery.com>
1093 * config/rs6000/rs6000.opt (mmulhw): New option.
1094 * doc/invoke.texi (-mmulhw): Document.
1095 * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
1096 for 405 and 440.
1097 * config/rs6000/rs6000.md: Add half-word multiply and
1098 multiply-accumulate instructions for 405 and 440.
1100 2005-11-21 Joel Sherrill <joel.sherrill@oarcorp.com>
1102 * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
1103 which matches behavior of gcc 4.0 and older for RTEMS targets. The
1104 default now includes a linker group which makes the RTEMS one nest.
1106 2005-11-22 Ben Elliston <bje@au.ibm.com>
1108 * cse.c (fold_rtx): Typo fix.
1109 (find_comparison_args): Pass the mode of arg1, not arg1 itself.
1111 2005-11-21 Richard Henderson <rth@redhat.com>
1113 * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
1114 langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
1116 * c-tree.h (lookup_name): Move declaration ...
1117 * c-common.h (lookup_name): ... here.
1118 * config/darwin-c.c: Include c-common.h.
1119 * config/t-darwin: Update dependencies.
1121 2005-11-22 Ben Elliston <bje@au.ibm.com>
1123 * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
1124 explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
1125 * genopinit.c (gen_insn): Likewise.
1126 * reload.c (find_equiv_reg): Likewise.
1127 * loop.c (load_mems): Likewise.
1128 * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
1129 * cse.c (find_comparison_args, fold_rtx): Likewise.
1130 * dwarf2out.c (add_const_value_attribute): Likewise.
1131 * expr.c (convert_move): Likewise.
1132 * recog.c (general_operand, register_operand): Likewise.
1133 * reg-stack.c (replace_reg): Likewise.
1134 * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
1135 * c-common.c (handle_vector_size_attribute): Likewise.
1136 * simplify-rtx.c (simplify_const_unary_operation): Likewise.
1137 (simplify_binary_operation_1): Likewise.
1138 (simplify_const_binary_operation): Likewise.
1139 (simplify_relational_operation): Likewise.
1140 (simplify_const_relational_operation): Likewise.
1141 (simplify_immed_subreg): Likewise.
1142 * emit-rtl.c (gen_lowpart_common): Likewise.
1143 * expmed.c (expand_mult): Likewise.
1144 * stor-layout.c (layout_type): Likewise.
1146 2005-11-21 Paolo Bonzini <bonzini@gnu.org>
1148 PR target/24951
1149 * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
1150 cst2 only for SPE vectors.
1152 2005-11-21 David Edelsohn <edelsohn@gnu.org>
1154 PR target/24953
1155 * config/rs6000/predicates.md (vrsave_operation): Check
1156 UNSPEC_VOLATILE value.
1158 2005-11-21 Jan Hubicka <jh@suse.cz>
1160 PR tree-optimization/24653
1161 * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
1163 2005-11-21 Uros Bizjak <uros@kss-loka.si>
1165 * config/i386/predicates.md (ax_reg_operand): New predicate.
1166 (memory_displacement_only_operand): New predicate.
1167 * config/i386/i386.md ("modrm" attribute): Return 0 if one
1168 operand is AX register and the other operand is memory operand
1169 with displacement only.
1171 2005-11-21 Uros Bizjak <uros@kss-loka.si>
1173 * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
1174 if we don't care about NaNs or Infinities.
1176 2005-11-20 Ian Lance Taylor <ian@airs.com>
1178 PR rtl-optimization/24883
1179 * combine.c (combinable_i3pat): When checking whether the
1180 destination of i3 is used in i3, consider paradoxical subregs.
1182 2005-11-21 Kazu Hirata <kazu@codesourcery.com>
1184 PR middle-end/20583
1185 * cse.c (cse_insn): Reject invalid forms of CONST earlier.
1187 2005-11-20 Joseph S. Myers <joseph@codesourcery.com>
1189 * combine.c (try_combine): Do not run subst on i1src and i2src in
1190 the case of generating a PARALLEL for a comparison.
1192 2005-11-20 Richard Henderson <rth@redhat.com>
1194 PR 24931
1195 * tree-sra.c (struct sra_elt): Add all_no_warning.
1196 (struct sra_walk_fns) <use>: Add use_all argument.
1197 (sra_walk_expr): Pass it.
1198 (sra_walk_modify_expr): Likewise.
1199 (scalarize_ldst): Likewise.
1200 (scan_use): Update for new argument.
1201 (mark_no_warning): New.
1202 (scalarize_use): Use it.
1204 2005-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1206 * expr.c (expand_expr_real): Use usmul_optab for widening
1207 signed * unsigned multiplies.
1208 * genopinit.c (optabs): Add usmul_widen_optab.
1209 * optabs.c (init_optabs): Likewise.
1210 * optabs.h (enum optab_index): Add OTI_usmul_widen.
1211 (usmul_widen_optab): Define.
1212 * config/bfin/bfin.md (usmulhisi3): New pattern.
1214 * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
1216 2005-11-20 Graham Stott <btinternet.com>
1218 * gensupport.c (std_preds): Fixed extraneous `false` in last change.
1220 2005-11-20 Andreas Schwab <schwab@suse.de>
1222 PR target/24757
1223 * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
1224 insn.
1226 2005-11-19 Richard Henderson <rth@redhat.com>
1228 PR tree-opt/24665
1229 * tree-gimple.c (is_gimple_id): Export.
1230 * tree-gimple.h (is_gimple_id): Declare.
1231 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
1232 (get_default_value): Use it.
1233 (maybe_fold_stmt_indirect): Likewise.
1235 2005-11-19 James A. Morrison <phython@gcc.gnu.org>
1237 * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
1238 than VR1 or vice-versa.
1240 2005-11-19 Hans-Peter Nilsson <hp@axis.com>
1242 PR middle-end/24912
1243 PR middle-end/24750
1244 * reload.c (find_reloads_address_1): Mention dependency on
1245 gen_reload.
1246 * reload1.c (gen_reload): For IN with an unary operation, try
1247 moving inner expression to OUT if trivial SET is not valid.
1248 Confirm that the result is valid. Move common code block into...
1249 (emit_insn_if_valid_for_reload): New function.
1251 2005-11-19 Richard Guenther <rguenther@suse.de>
1253 * fold-const.c (fold_indirect_ref_1): Make sure we fold
1254 ARRAY_REFs of constant strings.
1256 2005-11-19 Jakub Jelinek <jakub@redhat.com>
1258 * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
1259 fatal format string.
1261 2005-11-19 Joseph S. Myers <joseph@codesourcery.com>
1263 * combine.c (make_compound_operation): Swap operands of
1264 commutative operation if necessary before returning.
1266 2005-11-19 Richard Guenther <rguenther@suse.de>
1268 PR middle-end/23294
1269 * fold-const.c (fold_plusminus_mult_expr): New function.
1270 (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
1271 cases, remove now unnecessary code.
1273 2005-11-19 Paolo Bonzini <bonzini@gcc.gnu.org>
1275 * gensupport.c (old_preds): Rename to std_preds, add special field.
1276 (struct old_pred_table): Rename to struct std_pred_table, add special
1277 field.
1278 (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
1279 (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
1280 (init_predicate_table): Adjust, and set along the way whether a
1281 predicate is special.
1283 2005-11-18 Mark Mitchell <mark@codesourcery.com>
1285 * BASE-VER: Change to 4.2.0.
1287 2005-11-18 James E Wilson <wilson@specifix.com>
1289 * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
1290 returning it.
1292 2005-11-18 Mike Stump <mrs@apple.com>
1294 * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
1295 * config/darwin-c.c (darwin_pragma_unused): Likewise.
1296 * c-decl.c (lookup_name_two) Remove.
1297 * c-tree.h (lookup_name_two): Remove.
1298 * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
1299 * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
1300 (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
1301 * langhooks.h (lang_hooks_for_decls): Add lookup_name.
1303 2005-11-18 Richard Earnshaw <richard.earnshaw@arm.com>
1305 PR target/24914
1306 * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
1307 when not generating code to use that co-processor.
1309 2005-11-18 James A. Morrison <phython@gcc.gnu.org>
1311 * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
1312 add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
1313 these functions are now in tree-phinodes.c.
1315 2005-11-18 Jie Zhang <jie.zhang@analog.com>
1317 * config/bfin/bfin.md (trap): New pattern.
1319 2005-11-18 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1321 * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
1322 on types.
1324 * expr.c (expand_expr_real): Don't call record_block_change unless
1325 ib_boundaries_block is non-null
1327 * postreload.c (reload_cse_move2add): Don't try to work with BImode.
1329 * fold-const.c (build_range_check): Use proper type for subtraction
1330 when merging lower bound.
1332 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
1334 PR rtl-optimization/24497
1335 * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
1336 the copied insn.
1338 2005-11-18 Zdenek Dvorak <dvorakz@suse.cz>
1340 * tree-scalar-evolution.c (expression_expensive_p): New function.
1341 (scev_const_prop): Use compute_overall_effect_of_inner_loop.
1343 2005-11-18 Bernd Schmidt <bernd.schmidt@analog.com>
1345 * config/bfin/crtlibid.s: New file.
1347 2005-11-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1349 PR target/24348
1350 * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
1351 when not using sjlj exceptions.
1352 * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
1353 * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
1354 * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
1355 * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
1356 DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
1357 * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
1358 * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
1359 DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
1360 ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
1361 * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
1362 (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
1363 DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
1364 ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
1365 defines.
1366 * config/pa/hpux-unwind.h: New file.
1368 2005-11-17 Alexandre Oliva <aoliva@redhat.com>
1370 * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
1371 * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
1372 * varasm.c (do_assemble_alias): Adjust call.
1373 (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
1374 is defined.
1375 * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
1377 2005-11-17 James E Wilson <wilson@specifix.com>
1379 * tree.def (FUNCTION_DECL): Correct typo in comment.
1381 2005-11-17 Richard Henderson <rth@redhat.com>
1383 * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
1384 (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
1385 and DW_CFA_def_cfa_sf.
1386 (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
1387 (dbx_reg_number): Don't assert particular registers here.
1388 (based_loc_descr): ... do it here instead. Fold in ...
1389 (eliminate_reg_to_offset): ... this function.
1390 (compute_frame_pointer_to_cfa_displacement): Fold in the effects
1391 of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
1392 * unwind-dw2.c (execute_cfa_program): Apply data align factor
1393 to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
1394 * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
1395 (instantiate_virtual_regs): Likewise.
1396 * var-tracking.c (adjust_stack_reference): Likewise.
1397 * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
1399 2005-11-17 Bernd Schmidt <bernd.schmidt@analog.com>
1401 * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
1402 * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
1403 * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
1404 crtlibid.o.
1405 ($(T)crtlibid.o): New rule.
1407 2005-11-16 Richard Guenther <rguenther@suse.de>
1409 PR middle-end/24851
1410 * fold-const.c (extract_array_ref): Return byte offset
1411 in all cases.
1412 (fold_binary): Fold &x[a] CMP &x[b] to
1413 a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
1414 behavior.
1416 2005-11-16 Richard Henderson <rth@redhat.com>
1418 PR middle-end/23497
1419 * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
1420 parts of an SSA_NAME.
1422 2005-11-16 Richard Earnshaw <richard.earnshaw@arm.com>
1424 PR target/24861
1425 * arm.md (split for movsf with immediate): Restrict split to insns
1426 that set a general register.
1428 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1430 * config/ia64/unwind-ia64.c (uw_advance_context): New. Call
1431 uw_update_context.
1432 * unwind-dw2.c (uw_advance_context): Likewise.
1433 * unwind-sjlj.c (uw_advance_context): Likewise. Also call
1434 _Unwind_SjLj_Unregister.
1435 * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
1437 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1439 * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
1441 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1443 * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
1444 langhook to get a DImode integer type.
1446 2005-11-16 Richard Henderson <rth@redhat.com>
1447 J"orn Rennecke <joern.rennecke@st.com>
1448 Ulrich Weigand <uweigand@de.ibm.com>
1450 PR rtl-opt/24160
1451 PR target/24621
1452 * reload1.c (reg_equiv_invariant): New.
1453 (reload): Allocate, initialize, and free it.
1454 (calculate_needs_all_insns): Check it when skipping equivalence
1455 setting insns.
1456 (alter_reg): Likewise.
1457 (eliminate_regs_1): Rename from eliminate_regs. Add new
1458 may_use_invariant argument; only use reg_equiv_invariant when true.
1459 (eliminate_regs): New.
1460 (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
1461 a context for which may_use_invariant may be true.
1463 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1465 * fold-const.c (const_binop): Don't constant fold the operation
1466 if the result has overflowed and flag_trapping_math.
1467 * simplify-rtx.c (simplify_const_binary_operation): Likewise.
1469 2005-11-16 Daniel Jacobowitz <dan@codesourcery.com>
1471 * config/arm/unwind-arm.c (abort): Add prototype here.
1472 (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
1473 (struct phase1_vrs): Add prev_sp.
1474 (unwind_phase2_forced): Save the original core registers instead of
1475 modifying entry_vrs. Take a new flag argument for resuming unwinding
1476 and set action flags accordingly. Always set _US_END_OF_STACK when
1477 get_eit_entry fails. Unwind before calling the stop function.
1478 (_Unwind_GetCFA): New function.
1479 (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
1480 (__gnu_Unwind_Resume_or_Rethrow): Likewise.
1481 (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
1482 just call unwind_phase2_forced.
1483 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
1484 * config/arm/unwind-arm.h (abort): Remove prototype.
1485 (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
1486 prototypes.
1487 (_Unwind_GetCFA): New prototype.
1488 * config/arm/pr-support.c (abort): Add prototype here.
1489 * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
1490 forced unwinding.
1491 * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
1492 not schedule the prologue with non-call exceptions and EABI.
1494 2005-11-16 Nathan Sidwell <nathan@codesourcery.com>
1496 * config/arm/unwind-arm.h: Reorder interface function declarations.
1497 (_URC_END_OF_STACK): New enumeration value.
1498 (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
1499 (struct _Unwind_Control_Block): Document reserved field use.
1500 (_Unwind_Stop_Fn): New typedef.
1501 (_Unwind_ForcedUnwind): Declare.
1502 (_Unwind_Resume_or_Rethrow): Declare.
1503 * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
1504 argument. Adjust.
1505 (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
1506 * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
1507 (UCB_FORCED_STOP_ARG): New.
1508 (search_EIT_table): Update boundary condition checks.
1509 (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
1510 (unwind_phase2): Replace for with do..while.
1511 (unwind_phase2_forced): New.
1512 (__gnu_Unwind_RaiseException): Replace for with do..while.
1513 (__gnu_Unwind_ForcedUnwind): New.
1514 (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
1515 Use appropriate phase2 unwinder.
1516 (__gnu_Unwind_Resume_or_Rethrow): New.
1517 (__gnu_unwind_pr_common): Cope with forced unwinding.
1519 2005-11-16 David Edelsohn <edelsohn@gnu.org>
1521 PR target/24772
1522 * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
1524 * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
1525 roundsf2): Remove "s" from mnemonic.
1527 2005-11-16 Bernd Schmidt <bernd.schmidt@analog.com>
1529 * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
1530 __PIC__ is defined.
1531 * config/bfin/crtn.s: Change epilogues to match.
1532 * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
1533 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
1534 __PIC__ and __pic__.
1536 2005-11-16 Tobias Schl"uter <tobias.schlueter@physik.uni-muenchen.de>
1538 PR 24357
1539 * doc/invoke.texi: Distinguish between free and fixed form instead of
1540 Fortran and Fortran 90/95. Remove ratfor from the list of supported
1541 languages.
1542 * gcc.c (default_compilers): Remove double entries, add entries for
1543 suffixes '.F90' and '.F95'.
1545 2005-11-16 Eric Botcazou <ebotcazou@adacore.com>
1547 * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
1548 in the stack probing loop.
1550 2005-11-15 David Edelsohn <edelsohn@gnu.org>
1552 * configure.ac: Use .machine power5 not power5x.
1553 * configure: Regenerate.
1555 2005-11-15 Mike Stump <mrs@apple.com>
1557 * c-decl.c (lookup_name_two): Add.
1558 * c-tree.h (lookup_name_two): Likewise.
1559 * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
1560 * config/darwin-c.c (darwin_pragma_unused): Likewise.
1562 2005-11-16 Alan Modra <amodra@bigpond.net.au>
1564 PR rtl-optimization/23392
1565 * regrename.c (enum scan_actions) Add mark_access.
1566 (scan_actions_name): Ditto.
1567 (scan_rtx_reg): Handle mark_access.
1568 (scan_rtx_address): Do nothing for mark_access.
1569 (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
1570 and regs in REG_INC notes before closing chains for dead regs.
1571 Mark destination regs in REG_FRAME_RELATED_EXPR notes after
1572 opening chains for new writes.
1574 2005-11-15 David Edelsohn <edelsohn@gnu.org>
1576 * c.opt (ffixed-line-length-none): New.
1578 2005-11-15 Steve Ellcey <sje@cup.hp.com>
1580 * mklibgcc.in: Change contents of eh_dummy.c.
1582 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
1584 * loop.c (scan_loop): Do not insert temporaries for hard registers.
1586 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
1588 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
1589 of making syscalls.
1590 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
1592 2005-11-15 Jan Hubicka <jh@suse.cz>
1594 * invoke.texi (large-unit-insns): Document.
1595 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
1596 * params.def (large-unit-insns): New param.
1598 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
1600 PR target/24869
1601 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
1602 special register for operand 3. Reindent constraints to align
1603 them vertically.
1605 2005-11-14 David Edelsohn <edelsohn@gnu.org>
1607 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
1608 -mpopcntb, -mfprnd. Add -mcpu=power5+.
1609 * configure.ac: Add test for FP rounding instructions.
1610 * configure: Regenerate.
1611 * config.in: Regenerate.
1612 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1613 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
1614 features enabled.
1615 * config/rs6000/rs6000.opt (mfprnd): New.
1616 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
1617 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
1618 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
1619 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
1620 (TARGET_FPRND): New.
1621 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
1622 UNSPEC_FRIZ): New.
1623 (btrunc<mode>2): New.
1624 (ceil<mode>2): New.
1625 (floor<mode>2): New.
1626 (round<mode>2): New.
1628 2005-11-14 Geoffrey Keating <geoffk@apple.com>
1630 * gcc.c (version_compare_spec_function): Use fatal() rather than
1631 abort().
1633 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
1634 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
1635 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
1636 as empty.
1637 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
1638 link in crt2.o.
1640 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
1641 on -mmacosx-version-min setting.
1643 2005-11-14 Diego Novillo <dnovillo@redhat.com>
1645 PR 24840
1646 * tree-vrp.c (infer_value_range): Return false if STMT is a
1647 block terminator and its basic block has no successors.
1649 2005-11-14 Mike Stump <mrs@apple.com>
1651 * config/i386/i386.c (override_options): -masm=intel isn't
1652 supported on darwin.
1653 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
1655 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
1657 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
1658 vfork after including auto-host.h.
1660 2005-11-15 Alan Modra <amodra@bigpond.net.au>
1662 PR rtl-optimization/22002
1663 * combine.c (distribute_notes): Detect cases where a reg dies
1664 two or more times in a bb, including on the insn we are combining,
1665 and place the death note on the correct range.
1667 2005-11-14 Dale Johannesen <dalej@apple.com>
1669 * expmed.c (store_bit_field): Add offset unconditionally for
1670 memory targets.
1671 (extract_bit_field): Don't force extzv or extv operand into
1672 a register if field is too big.
1674 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1676 * config/arm/arm.c (pic_labelno): New.
1677 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
1678 LABEL_REF. Pass only the labelno to PIC insns.
1679 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
1680 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
1681 * arm.md (UNSPEC_PIC_LABEL): New constant.
1682 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
1683 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
1684 Use the correct label prefix.
1686 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
1688 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
1689 REQ_EQUIV note.
1691 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
1693 * loop-invariant.c: Include tm_p.h.
1694 * Makefile.in: Updated.
1696 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1698 * pa.c (store_reg): Revise generation of frame notes in large frames.
1699 (set_reg_plus_d): Likewise.
1701 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
1703 PR tree-optimization/24709
1704 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
1705 loop check.
1707 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
1709 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
1710 and duplicate declaration of pthread_self.
1712 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
1713 Ian Lance Taylor <ian@airs.com>
1715 PR middle-end/24003
1716 * calls.c (expand_call): If TARGET is a MEM and some part of the
1717 argument area has been saved, force TARGET to a register.
1719 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
1721 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
1722 checking.
1724 2005-11-13 Jason Merrill <jason@redhat.com>
1726 PR c++/22489
1727 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
1728 lazily declared methods.
1729 (force_decl_die): Stop if forcing out the context already make a
1730 DIE for the decl.
1731 (force_type_die): Likewise.
1733 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
1735 PR middle-end/24820
1736 * builtins.c (integer_valued_real_p): Add break in
1737 REAL_CST having TREE_OVERFLOW set.
1739 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
1741 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
1742 addressing modes during calculation of costs.
1744 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
1746 * function.c (assign_stack_local_1): Restrict sanity check
1747 on frame size overflow to 32-bit and above platforms.
1749 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1751 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1752 * config/cris/cris.c: Include reload.h.
1753 (cris_initial_elimination_offset): New function.
1754 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
1755 Prototype.
1757 2005-11-12 Richard Guenther <rguenther@suse.de>
1759 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
1761 2005-11-12 Jan Hubicka <jh@suse.cz>
1763 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
1764 to compare against 0 when possible.
1766 2005-11-12 Jie Zhang <jie.zhang@analog.com>
1768 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
1769 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
1770 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
1771 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
1772 in the new order.
1774 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1776 * recog.c (constrain_operands) <case 'g'>: For a match, require
1777 that a non-register matches general_operand when strict >= 0.
1779 2005-11-11 Steven Bosscher <stevenb@suse.de>
1781 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
1782 previous checkin.
1784 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1786 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
1787 (memory_address_same): New.
1788 (dse_optimize_stmt): Call memory_address_same.
1790 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
1792 PR middle-end/24750
1793 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
1794 ZERO_EXTEND>: New cases.
1796 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
1798 * longlong.h (__clz_tab): Always provide.
1800 2005-11-11 Steven Bosscher <stevenb@suse.de>
1802 PR 24265
1803 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
1804 can be assigned to.
1805 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
1806 before check_maybe_invariant.
1807 (move_invariant_reg): Use gen_move_insn instead of replacing
1808 SET_DEST with the temporary for the invariant.
1809 (move_loop_invariants): If checking is enabled, do internal
1810 consistency checks after completing the pass.
1812 2005-11-11 David Edelsohn <edelsohn@gnu.org>
1814 PR 24644
1815 * common.opt (Wvolatile-register-var): New.
1816 * varasm.c (make_decl_rtl): Only emit warning when option
1817 specified. Clarify warning message.
1818 * doc/invoke.texi (Wvolatile-register-var): Document new option.
1820 * doc/md.texi (copysign): Document standard named pattern.
1822 2005-11-11 Jie Zhang <jie.zhang@analog.com>
1824 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
1825 bytes when align is 2.
1826 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
1827 by the first instruction of the loop.
1829 2005-11-11 Jason Merrill <jason@redhat.com>
1831 PR c++/24686
1832 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
1833 the cleanup list.
1835 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1837 PR rtl-optimization/22509
1838 * local-alloc.c (memref_used_between_p): Check whether a function call
1839 could not reference the memref.
1841 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
1843 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
1844 algorithm so as to choose the best, not the worst, alternative.
1845 Reset accumulated register class before processing next alternative.
1847 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
1849 PR target/24445
1850 * calls.c (expand_call): Copy a return value to a plain register
1851 if needed.
1853 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
1855 PR target/24778
1856 * varasm.c (assemble_name): Recompute name only for transparent
1857 aliases.
1859 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
1861 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
1863 2005-11-04 Jeff Law <law@redhat.com>
1865 PR middle-end/23181
1866 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
1867 perform reassociation if the parent statement will not die as
1868 a result of the optimization.
1870 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
1872 * tree-ssa-alias.c (compute_may_aliases): Remove call to
1873 delete_old_heap_vars.
1874 * tree-dfa.c (referenced_var_remove): Remove function.
1875 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
1876 (delete_tree_ssa): Remove call to delete_old_heapvars.
1877 Add call to delete_alias_heapvars.
1878 * tree-flow.h (referenced_var_remove): Remove prototype
1879 (init_alias_heapvars): New prototype.
1880 (delete_alias_heapvars): Ditto.
1881 * Makefile.in (tree-ssa-structalias.o): Add
1882 gt-tree-ssa-structalias.o
1883 (GTFILES): Add tree-ssa-structalias.h and
1884 tree-ssa-structalias.c.
1885 (s-gtype): Add gt-tree-ssa-structalias.h.
1886 * tree-ssa-structalias.c (heapvars): Remove.
1887 (oldheapvars): Remove.
1888 (heapvar_for_stmt): New variable.
1889 (heapvar_lookup): New function.
1890 (heapvar_insert): Ditto.
1891 (get_constraint_for): See if we have an old heapvar
1892 to reuse.
1893 (init_alias_heapvars): New function.
1894 (delete_alias_heapvars): Ditto.
1895 Add include of gt-tree-ssa-structalias.h.
1897 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1899 PR middle-end/22127
1900 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
1902 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
1904 * tree.c (int_fits_type_p): Only look at the base type
1905 if it has the same precision as the original type.
1907 2005-11-10 Jakub Jelinek <jakub@redhat.com>
1909 PR other/4372
1910 * varasm.c (assemble_alias): Use %q+D in the error
1911 message instead of %J and %qD.
1913 2005-11-10 Richard Guenther <rguenther@suse.de>
1915 * gcse.c (free_ldst_entry): Only free hashtable if
1916 it exists.
1918 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1920 * function.c (assign_stack_local_1): Issue an error message if
1921 the frame size overflows in the signed target arithmetics.
1923 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1925 * tree.c (build_qualified_type): Chain the new type to the original
1926 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1927 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1928 (build_pointer_type_for_mode): Only return unqualified types.
1929 (build_reference_type_for_mode): Likewise.
1931 2005-11-09 Jakub Jelinek <jakub@redhat.com>
1933 * Makefile.in (gnucompare): Do comparison of all files using one of
1934 the chosen methods and only afterwards decide if just warning should
1935 be issued or comparison failure raised.
1937 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1939 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
1940 (noce_try_abs): Negate if the comparison is reversed.
1941 Look only one instruction backwards for a REG_EQUAL note.
1943 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1945 PR other/4372
1946 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
1947 gthr-tpf.h: Define __gthrw. For all identifiers that might
1948 be weak, introduce weakrefs or non-weak aliases with __gthrw,
1949 and prefix all uses with __ghtrw.
1951 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
1953 PR other/4372
1954 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
1955 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
1956 * c-common.c (handle_weakref_attribute): New.
1957 (c_common_attribute_table): Add weakref.
1958 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
1959 in the assembler.
1960 * configure, config.in: Rebuilt.
1961 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
1962 * doc/extend.texi: Document weakref attribute.
1963 * varasm.c (ultimate_transparent_alias_target): New
1964 (assemble_name): Use it.
1965 (weak_finish_1): Split out of...
1966 (weak_finish): ... and deal with weakrefs in...
1967 (weakref_targets): ... new list.
1968 (globalize_decl): Clean up weakref_targets.
1969 (do_assemble_alias): Handle weakrefs.
1970 (finish_aliases_1): Do not reject weakrefs to external symbols.
1971 (assemble_alias): Handle weakrefs.
1973 2005-11-09 Richard Guenther <rguenther@suse.de>
1975 PR tree-optimization/24716
1976 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
1977 t_bool to track results from follow_ssa_edge.
1979 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1981 * final.c (force_source_line): New global variable.
1982 (final_scan_insn): Set it to true instead of clearing last_filename.
1983 (notice_source_line): Return true if force_source_line is true,
1984 unless source info is absent.
1986 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
1988 PR c/24644
1989 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
1990 a linkage name for a variable if it a register variable.
1991 * c-decl.c (grokdeclarator): Global register variables
1992 should be set as PUBLIC.
1994 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1996 PR 24624
1997 * config/s390/s390.c (struct s390_frame_layout): New fields
1998 first_save_gpr_slot and last_save_gpr_slot.
1999 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
2000 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
2001 first_save_gpr and last_save_gpr with the _slot variants.
2002 (s390_register_info): Calculate first_save_gpr_slot and
2003 last_save_gpr_slot using regs_ever_live.
2005 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2007 PR 24623
2008 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
2009 for a function containing a landing pad.
2011 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2013 PR 24034
2014 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
2015 is live afterwards.
2017 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
2019 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
2020 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
2022 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
2024 Add ms2 support
2025 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
2026 constants.
2027 (call,load,store): New insn types.
2028 (mem_access, branch_access): Adjust reservation conditions.
2029 (define_delay): Adjust condition.
2030 (decrement_and_branch_until_zero): Allow for ms2. Set branch
2031 type.
2032 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
2033 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
2034 insn type.
2035 (call_internal, call_value_internal, return_internal,
2036 return_interrupt_internal, eh_return_internal, indirect_jump,
2037 tablejump): Set call insn type.
2038 (blockage, ei, di): Use appropriate unspec const.
2039 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
2040 (ms1_get_attr_type): Adjust to give load & store types.
2041 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
2042 backwards past a barrier.
2043 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
2044 branch scheduling.
2045 (struct branch_info, struct label_info): New.
2046 (ms1_labels): New.
2047 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
2048 (ms1_machine_reorg): New.
2049 (TARGET_MACHINE_DEPENDENT_REORG): Override.
2050 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
2051 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
2052 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
2053 (TARGET_MS2): New.
2055 2005-11-09 Per Bothner <per@bothner.com>
2056 Uros Bizjak <uros@kss-loka.si>
2058 PR c/24101
2059 * toplev.c (process_options): Initialize debug_hooks early
2060 in case lang_hooks.post_options ends up calling a debug_hook.
2062 2005-11-08 Jakub Jelinek <jakub@redhat.com>
2064 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
2065 DBX_REGISTER_NUMBER being contiguous.
2067 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
2068 Diego Novillo <dnovillo@redhat.com>
2070 PR 23046
2071 * tree-vrp.c (register_edge_assert_for): Do not register
2072 always-false predicates.
2074 2005-11-08 Devang Patel <dpatel@apple.com>
2076 PR tree-optimization/23115
2077 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
2078 relation.
2080 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
2082 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
2083 -mcpu=440.
2085 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
2087 Fix PR tree-optimization/23382
2089 * tree-ssa-alias.c (compute_may_aliases): Call
2090 delete_old_heap_vars.
2091 * tree-dfa.c (referenced_var_remove): New function.
2092 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
2093 * tree-flow.h (referenced_var_remove): Add prototype.
2094 (delete_old_heap_vars): Ditto.
2095 * tree-ssa-structalias.c (heapvars): New variable.
2096 (oldheapvars): Ditto.
2097 (get_constraint_for): Put heap vars on heapvars list.
2098 (delete_old_heap_vars): New function.
2100 2005-11-08 Jason Merrill <jason@redhat.com>
2102 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
2104 2005-11-08 Uros Bizjak <uros@kss-loka.si>
2106 PR target/19340
2107 * reg-stack.c (reg_to_stack): Update register liveness also
2108 for flag_sched2_use_traces.
2110 2005-11-08 Alan Modra <amodra@bigpond.net.au>
2112 PR target/23704
2113 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
2114 override prior explicit -mno-powerpc-gfxopt.
2116 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
2118 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
2119 if the bitsize is zero.
2120 * doc/md.texi (Standard Pattern Names): Document it.
2122 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
2123 (TARGET_PASS_BY_REFERENCE): Likewise.
2125 2005-11-07 Ian Lance Taylor <ian@airs.com>
2127 PR rtl-optimization/24683
2128 * config/i386/i386.c (legitimize_pic_address): If constant operand
2129 to PLUS is too large, put it in a register.
2131 2005-11-07 Jie Zhang <jie.zhang@analog.com>
2133 * configure.ac: Enable checking assembler dwarf2 support for bfin
2134 target.
2135 * configure: Regenerate.
2137 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
2139 PR target/24230
2141 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
2142 gen_easy_vector_constant_add_self): Delete.
2143 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
2144 New.
2145 (output_vec_const_move): Use gen_easy_altivec_constant.
2146 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
2147 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
2148 (easy_vector_constant_add_self): Rewritten.
2149 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
2150 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
2151 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
2152 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
2153 Macroize and adjust for the other changes.
2155 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
2157 PR c/24599
2159 * c-typeck.c (build_c_cast): Try using a shared constant, and see
2160 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
2162 2005-11-07 Jakub Jelinek <jakub@redhat.com>
2164 PR rtl-optimization/23567
2165 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
2166 (noce_process_if_block): Don't do any optimizations except
2167 if (cond) x = x; if !set_b and write into orig_x may trap
2168 or fault. Remove the MEM_READONLY_P check.
2170 2005-11-06 Diego Novillo <dnovillo@redhat.com>
2172 PR 24670
2173 * tree-vrp.c (fix_equivalence_set): New.
2174 (extract_range_from_assert): Call it.
2176 2005-11-05 Ian Lance Taylor <ian@airs.com>
2178 PR target/22432
2179 * combine.c (apply_distributive_law): Don't distribute across a
2180 vector mode subreg.
2182 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
2184 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
2185 config/ms1/ms1.h, config/rs6000/predicates.md,
2186 config/s390/s390.c, params.def, postreload-gcse.c,
2187 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
2188 tree-vrp.c, tree.c: Fix comment typos.
2189 * doc/invoke.texi: Fix typos.
2191 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
2193 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
2194 for testing whether the data_dependence_relation contains distance
2195 vectors. Iterate over all distance vectors of the ddr.
2196 * lambda.h: Define a vec of lambda_vector pointers.
2197 * tree-data-ref.c (dump_data_dependence_relation,
2198 dump_data_dependence_direction): Iterate over all distance and
2199 direction vectors of the ddr.
2200 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
2201 DDR_DIST_VECTS.
2202 (build_classic_dist_vector, build_classic_dir_vector): Push a set
2203 of distance/direction vectors instead of a single one.
2204 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
2205 lambda_vectors with a vec of lambda_vectors.
2206 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
2207 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
2208 DDR_NUM_DIST_VECTS): New.
2209 * tree-loop-linear.c (gather_interchange_stats): Test for the
2210 existence of distance vectors only after having checked that there
2211 is a dependence. Iterate over all distance vectors of the ddr.
2212 (linear_transform_loops): Use dump_data_dependence_relation.
2213 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
2214 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
2215 distance vectors of the ddr.
2217 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
2219 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
2220 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
2221 IS_INTHANDLER; all callers changed.
2222 (n_regs_saved_by_prologue): Take interrupt handler attributes into
2223 account.
2224 (do_link, do_unlink): New argument ALL; all callers changed.
2225 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
2226 If function isn't leaf, save and restore all registers.
2227 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
2228 exception handler.
2230 2005-11-05 Jan Hubicka <jh@suse.cz>
2232 PR rtl-optimization/23490
2233 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
2234 max-flow-memory-location): Document.
2235 * flow.c: Include params.h
2236 (MAX_MEM_SET_LIST_LEN): Kill.
2237 (add_to_mem_set_list): Use new param.
2238 * cse.c (cse_basic_block): Replace 1000 by new param.
2239 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
2240 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
2241 * predict.c (predict_loops): Use new param.
2242 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
2244 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
2245 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
2246 Do not hold memory returned by cgraph_node_name across other call.
2248 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
2250 PR target/23424
2251 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
2252 Disable.
2254 2005-11-04 Jeff Law <law@redhat.com>
2256 PR/21883
2257 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
2258 * tree-ssa-dom.c: Include params.h.
2259 (thread_across_edge): If there are too many statements in the
2260 target block, then do not thread through it.
2261 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
2262 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
2264 2005-11-03 Diego Novillo <dnovillo@redhat.com>
2266 PR 24627
2267 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
2268 TODO_update_ssa instead of TODO_update_ssa_no_phi.
2270 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
2272 PR/18595
2273 * tree-scalar-evolution.c (instantiate_parameters_1,
2274 instantiate_parameters, resolve_mixers): Compute the size of an
2275 expression to be instantiated and give up the instantiation if the
2276 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2278 2005-11-04 Richard Guenther <rguenther@suse.de>
2280 * tree-flow.h (ref_contains_indirect_ref): Rename to
2281 array_ref_contains_indirect_ref.
2282 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
2283 (array_ref_contains_indirect_ref): Make comment match the code
2284 and vice-versa.
2285 (ref_contains_array_ref): Likewise.
2286 * tree-ssa-structalias.c (find_func_aliases): Remove call to
2287 ref_contains_indirect_ref.
2288 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2289 Rename calls to ref_contains_indirect_ref.
2291 2005-11-04 Paul Brook <paul@codesourcery.com>
2293 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
2294 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
2295 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
2296 * config/arm/arm.md: Use match_operand in peephole input templates
2297 and match_dup in peephole output templates.
2299 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2301 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
2302 __aeabi_uidiv.
2304 2005-11-04 Mark Mitchell <mark@codesourcery.com>
2305 Daniel Jacobowitz <dan@codesourcery.com>
2307 * longlong.h (add_ssaaaa): Clobber condition code register
2308 in ARM version.
2309 (sub_ddmmss): Likewise.
2310 (umul_ppmm): Likewise.
2312 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2313 Paul Brook <paul@codesourcery.com>
2314 Phil Blundell <pb@reciva.com>
2316 * configure.ac: Add test for ARM TLS support.
2317 * configure: Regenerated.
2318 * config/arm/arm-protos.h (legitimize_tls_address)
2319 (arm_tls_referenced_p, tls_mentioned_p)
2320 (arm_output_addr_const_extra): New prototypes.
2321 (thumb_legitimize_pic_address): Delete.
2322 * config/arm/arm.c: Include "gt-arm.h".
2323 (enum tls_reloc): New.
2324 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
2325 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
2326 (arm_call_tls_get_addr, legitimize_tls_address)
2327 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
2328 (arm_init_tls_builtins, arm_emit_tls_decoration)
2329 (arm_output_addr_const_extra): New functions.
2330 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
2331 (TARGET_HAVE_TLS): Define.
2332 (target_thread_pointer): New.
2333 (arm_override_options): Handle -mtp=.
2334 (legitimize_pic_address): Ignore UNSPECs.
2335 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
2336 relative symbols.
2337 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
2338 (tls_get_addr_libfunc): New variable.
2339 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
2340 (arm_init_builtins): Call arm_init_tls_builtins.
2341 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
2342 (arm_encode_section_info): Call default_encode_section_info.
2343 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
2344 (enum arm_tp_type): New.
2345 (target_thread_pointer): Add declaration.
2346 (LEGITIMATE_CONSTANT_P): Handle TLS.
2347 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
2348 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
2349 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
2350 * config/arm/arm.md: Add UNSPEC_TLS.
2351 (movsi): Handle TLS.
2352 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
2353 non-PIC.
2354 (tls_load_dot_plus_eight): New insn and a peephole to create it.
2355 (load_tp_hard, load_tp_soft): New insns.
2356 * arm.opt: Add -mtp=.
2357 * doc/invoke.texi (ARM Options): Document -mtp.
2359 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
2361 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
2362 * config/arm/libunwind.S: Include "lib1funcs.asm".
2363 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
2364 (LIB2ADDEH): Add libunwind.S.
2365 (LIB2ADDEHDEP): Add lib1funcs.asm.
2366 * mklibgcc.in: Handle asm files in libgcc_eh.a.
2368 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
2370 PR fortran/18452
2371 * gcc/c.opt: Add a -lang-fortran option.
2372 * gcc/c-opts.c: Add a lang_fortran flag.
2373 (c_common_init_options): Handling the -lang-fortran option.
2374 (c_common_handle_option): Add a case for Fortran options in
2375 preprocessing. Remove cases for -ffixed-form and
2376 -ffixed-line-length. Add a case for -lang-fortran.
2378 2005-11-03 David Edelsohn <edelsohn@gnu.org>
2380 * config/rs6000/rs6000.c: Include params.h
2381 (optimization_options): Set max-grow-copy-bb-insns default to 16.
2382 (bdesc_2arg): Delete vpkuhss and vpkuwss.
2383 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
2384 (UNSPEC_VPKUWSS): Delete.
2385 (altivec_vpkuhss): Delete.
2386 (altivec_vpkuwss): Delete.
2387 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
2388 final condition.
2389 (neg_eq0<mode>): Remove final condition.
2390 (neg_eq<mode>): Remove condition and split-condition.
2392 2005-11-04 Alan Modra <amodra@bigpond.net.au>
2394 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
2395 Use associated print macros.
2397 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
2399 PR c++/17964
2400 * diagnostic.c (diagnostic_set_info_translated): New function.
2401 (diagnostic_set_info): Use it. Add comment.
2402 * diagnostic.h (diagnostic_set_info_translated): Declare.
2404 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
2406 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
2407 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
2408 reference only if 'public' is true.
2409 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
2410 emit the .hidden directive only if the indirect reference is public.
2411 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
2412 Pass it to dw2_force_const_mem.
2413 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
2414 * dwarf2out.c (output_cfi): Adjust calls to above function.
2415 (output_call_frame_info): Likewise.
2416 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
2417 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
2419 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
2421 PR tree-optimization/24483
2422 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
2423 field to elts if possible.
2425 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
2427 PR middle-end/23155
2428 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
2429 CONSTRUCTOR.
2431 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
2433 Fix PR tree-optimization/24351
2435 * tree-ssa-structalias.c (struct variable_info): Add
2436 collapsed_into.
2437 (get_varinfo_fc): New function to follow collapsing.
2438 (new_var_info): Set collapsed_to to NULL.
2439 (dump_constraint): Follow collapsing.
2440 (build_constraint_graph): Handle collapsing.
2441 (do_simple_structure_copy): Return false if something bad
2442 happened.
2443 (collapse_rest_of_var): New function.
2444 (do_structure_copy): Collapse if do_simple_structure_copy returns
2445 false.
2447 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
2449 PR middle-end/24589
2450 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
2451 expressions to a statement list instead of gimplifying them.
2453 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
2455 PR rtl-optimization/23585
2456 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
2457 that can't trap plus a constant integer, if the mode has zero size.
2459 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
2461 PR target/24620
2462 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
2463 as operand 2.
2464 ("*insv<mode>_reg_extimm"): Likewise.
2466 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
2468 PR c/24329
2469 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
2470 c_common_type_for_mode returns an unnamed type.
2472 2005-11-02 Richard Henderson <rth@redhat.com>
2474 PR target/9350
2475 PR target/24374
2476 * dwarf2out.c (dwarf2out_reg_save_reg): New.
2477 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
2478 * function.c (assign_parms): Use calls.internal_arg_pointer.
2479 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
2480 code.
2481 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
2482 (TARGET_CALLS): Add it.
2483 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
2484 * targhooks.c (default_internal_arg_pointer): New.
2485 * targhooks.h (default_internal_arg_pointer): Declare.
2486 * tree.h (dwarf2out_reg_save_reg): Declare.
2487 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
2488 * config/i386/i386.c (dbx_register_map): Add return column.
2489 (dbx64_register_map, svr4_dbx_register_map): Likewise.
2490 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
2491 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
2492 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
2493 (ix86_save_reg): Save force_align_arg_pointer.
2494 (ix86_emit_save_regs): Make regno unsigned.
2495 (ix86_emit_save_regs_using_mov): Likewise.
2496 (ix86_expand_prologue): Handle force_align_arg_pointer.
2497 (ix86_expand_epilogue): Likewise.
2498 * config/i386/i386.h: (dbx_register_map): Update.
2499 (dbx64_register_map, svr4_dbx_register_map): Update.
2500 (struct machine_function): Add force_align_arg_pointer.
2501 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
2502 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
2503 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
2505 2005-11-02 Jan Hubicka <jh@suse.cz>
2507 PR target/23303
2508 * i386.md: Add peep2 for simplyfing array accesses.
2510 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
2512 PR target/24615
2513 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
2514 * config/s390/s390.c (s390_decompose_shift_count): New function.
2515 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
2516 (print_shift_count_operand): Use s390_decompose_shift_count.
2517 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
2518 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
2520 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
2522 PR target/24600
2523 * loop.c (loop_givs_rescan): Use force_operand to expand
2524 complex GIVs.
2526 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
2528 PR 22429
2529 * fold-const.c (build_range_check): Use unsigned when signed
2530 overflow is undefined also. If etype is subtype, make sure that
2531 the subtraction is in the supertype.
2533 2005-11-02 Richard Henderson <rth@redhat.com>
2535 PR target/24178
2536 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
2537 by MEM_ALIGN.
2539 2005-11-01 Richard Henderson <rth@redhat.com>
2541 PR 21518
2542 * loop.c (scan_loop): Do not propagate computations to a hard
2543 register destination with SMALL_REGISTER_CLASSES.
2545 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
2547 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
2548 costs for MULT inside PLUS or MINUS.
2550 2005-11-01 Bob Wilson <bob.wilson@acm.org>
2552 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
2553 (TRAMPOLINE_SIZE): Round up to 60.
2554 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
2556 2005-10-31 James E. Wilson <wilson@specifix.com>
2558 PR debug/24444
2559 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
2560 ifdef. Put ifdefs around call in gen_subprogram_die.
2561 (compute_frame_pointer_to_cfa_displacement): Likewise.
2562 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
2563 not defined.
2565 PR rtl-optimization/17356
2566 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
2567 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
2569 2005-10-31 Jan Hubicka <jh@suse.cz>
2571 PR middle-end/24093
2572 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
2574 PR target/20928
2575 * i386.c (legitimize_pic_address): Deal with large immediates.
2577 PR profile/20815
2578 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
2579 from symbol names while computing checkup.
2581 PR profile/24487
2582 * predict.c (predict_loops): Do not estimate more than
2583 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
2584 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
2586 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
2588 PR tree-optimization/19097
2589 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
2591 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
2593 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
2595 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
2597 PR middle-end/23492
2598 * tree-inline.c (setup_one_parameter): If the init_stmt
2599 is NULL, don't insert the statement.
2601 2005-10-30 Jan Hubicka <jh@suse.cz>
2603 PR tree-optimization/24172
2604 * tree-inline.c (copy_body_r): Unshare the substituted value first.
2606 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
2608 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
2609 constants for hosts with long != 32 bits.
2611 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
2613 PR middle-end/24093
2614 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
2616 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
2618 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
2619 (TARGET_MS1_16_002): New.
2620 (TARGET_MS1_16_003): New.
2622 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
2623 ("*decrement_and_branch_until_zero_no_clobber"): New.
2624 Add corresponding splitter for decrement_and_branch_until_zero
2625 instruction.
2626 Key all decrement_and_branch_until_zero patterns off of
2627 TARGET_MS1_16_003.
2629 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
2631 PR middle-end/24362
2632 * tree-complex.c (extract_component): Treat RESULT_DECL
2633 like the rest of the decls.
2635 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
2637 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
2638 indirect call to _mcount if the function needs a static chain.
2640 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
2641 Caroline Tice <ctice@apple.com>
2643 PR rtl-optimization/24460
2644 * dwarf2out.c (have_switched_text_sections): New boolean variable.
2645 (dwarf2out_switch_text_section): Set it to true instead of
2646 incrementing separate_line_info_table_in_use.
2647 (output_loc_list): Additionally test have_switched_text_sections.
2648 (output_ranges): Likewise.
2649 (dwarf2out_finish): Likewise.
2650 * varasm.c (assemble_start_function): Do not call
2651 insert_section_boundary_note.
2652 (assemble_end_function): If flag_reorder_blocks_and_partition,
2653 switch to the function's section before emitting the .size directive.
2654 * bb-reorder.c (insert_section_boundary_note): Staticify.
2655 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
2656 * output.h (insert_section_boundary_note): Delete.
2658 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
2660 PR c/23103
2661 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
2662 instead of pointer equality when comparing types.
2664 2005-10-24 James E. Wilson <wilson@specifix.com>
2666 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
2667 add_dependence_list_and_free calls.
2669 2005-10-24 Steven Bosscher <stevenb@suse.de>
2671 * contrib.texi: Add the names of the LLNL folks who donated
2672 Cray pointer support for gfortran.
2674 2005-10-24 Steven Bosscher <stevenb@suse.de>
2676 PR tree-optimization/24225
2677 * profile.c (branch_prob): Look from end to start through a
2678 basic block when looking for a locus.
2680 2005-10-24 Richard Henderson <rth@redhat.com>
2682 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
2683 parallel.
2684 (hppa_expand_prologue): Likewise.
2686 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2688 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
2689 (NO_DEFERRED_PROFILE_COUNTERS): Define.
2690 * pa.h (NO_PROFILE_COUNTERS): Define.
2691 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
2692 (funcdef_nos): New vector to hold label numbers of deferred profile
2693 counters.
2694 (output_deferred_profile_counters): New function.
2695 (hppa_profile_hook): Push label number onto funcdef_nos.
2696 (pa_hpux_file_end): Call output_deferred_profile_counters if
2697 NO_DEFERRED_PROFILE_COUNTERS is false.
2699 * pa-protos.h (get_deferred_plabel): New prototype.
2700 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
2701 Make global.
2702 (output_call): Adjust calls.
2704 2005-10-24 Alan Modra <amodra@bigpond.net.au>
2706 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
2707 peculiarity of GOT/TOC section usage.
2709 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
2711 PR objc/24435
2712 * c-common.c (constant_string_class_name): Add documentation.
2714 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
2716 PR target/23832
2717 * recog.c (peephole2_optimize): Increment peep2_current_count
2718 only when the slot is empty.
2720 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2722 PR ada/23957
2723 * except.c (output_function_exception_table): Call
2724 assemble_external_libcall if we need a personality function.
2726 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2728 PR rtl-optimization/24460
2729 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
2730 set the basic block for barriers.
2732 2005-10-21 Janis Johnson <janis187@us.ibm.com>
2734 * var-tracking.c (vt_initialize): Initialize post.
2736 2005-10-21 Devang Patel <dpatel@apple.com>
2738 PR/24220
2739 * c-common.c (vector_types_convertible_p): Check vector element type.
2741 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
2743 * config/sh/sh.c (prepare_move_operands): Handle the address
2744 constant which is a tls symbolic address plus a constant.
2746 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
2748 PR driver/24473
2749 * gcc.c (main): Use the correct counter for erroring out
2750 about mulitple files.
2752 2005-10-21 Alan Modra <amodra@bigpond.net.au>
2754 PR target/24465
2755 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
2756 use r2 for 64-bit tls .got access.
2758 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
2760 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
2761 TRUTH_OR_EXPR.
2763 2005-10-20 Steven Bosscher <stevenb@suse.de>
2765 PR tree-optimization/24307
2766 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
2768 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
2770 PR middle-end/24295
2771 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
2772 alias targets.
2773 * varasm.c (find_decl_and_mark_needed): After cgraph global info
2774 is ready, stop marking functions, but still mark variables.
2776 2005-10-20 Richard Guenther <rguenther@suse.de>
2778 PR c++/24439
2779 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
2780 void type operands.
2782 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
2784 PR rtl-optimization/23585
2785 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
2786 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
2787 (may_trap_p_1): New predicate extracted from...
2788 (may_trap_p): ... here. Invoke may_trap_p_1.
2789 (may_trap_or_fault_p): New predicate.
2790 * rtl.h (may_trap_or_fault_p): Declare it.
2791 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
2792 instead of may_trap_p.
2793 (steal_delay_list_from_fallthrough): Likewise.
2794 (fill_simple_delay_slots): Likewise.
2795 (fill_slots_from_thread): Likewise.
2796 * function.c (pad_to_arg_alignment): Rework comment about
2797 SPARC_STACK_BOUNDARY_HACK.
2798 * config/sparc/sparc.h: Likewise.
2800 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
2802 * config/s390/s390.c (s390_expand_insv): New.
2803 * config/s390/s390-protos.h (s390_expand_insv): Declare.
2804 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
2805 ("icm_hi"): Remove mode attribute.
2806 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
2807 Adjust all uses.
2808 ("*extracthi", "*extractqi"): Remove.
2809 (extv<mode>", "*extzv<mode>"): New.
2810 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
2811 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
2813 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2815 * cfgexpand.c (discover_nonconstant_array_refs_r,
2816 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
2817 (tree_expand_cfg): Call discover_nonconstant_array_refs.
2818 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
2819 discover_nonconstant_array_refs.
2821 2005-10-19 Steven Bosscher <stevenb@suse.de>
2823 PR c/23228
2824 * c-decl.c (pop_scope): Don't warn about an unused variable
2825 if it is marked with TREE_NO_WARNING.
2826 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
2827 somenow mismatch and olddecl is to be replaced.
2829 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
2831 PR middle-end/23199
2832 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
2833 whether registers live on the edge can be saved/restored.
2835 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
2837 * config/sh/sh.c (fixup_mova): Skip notes.
2839 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2841 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
2842 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
2843 (s390_can_eliminate): Handle BASE_REGNUM elimination.
2844 (s390_initial_elimination_offset): Likewise.
2845 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
2846 register on TARGET_ZARCH targets.
2847 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
2848 (INITIAL_FRAME_POINTER_OFFSET): Remove.
2849 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
2850 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
2852 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2854 * config/s390/s390.md: Comment describing output modifiers updated.
2855 * config/s390/s390.c (print_operand): Likewise.
2857 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
2859 * config/s390/s390.c (override_options): Added check for -mstack-size
2860 64k limitation.
2861 * doc/invoke.texi: Mention that limit in the documenation.
2863 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
2865 PR #19672
2866 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
2868 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
2870 Fix PR tree-optimization/24231
2872 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
2873 (compute_avail): Ditto.
2875 2005-10-18 Richard Henderson <rth@redhat.com>
2877 PR target/24428
2878 * config/i386/i386.c (legitimate_constant_p): Check
2879 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
2880 if LABEL_REF.
2881 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
2882 (legitimate_pic_address_disp_p): Reorg CONST checking to make
2883 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
2884 directly.
2885 (print_operand_address): Likewise.
2886 * config/i386/predicates.md (x86_64_immediate_operand): Test
2887 SYMBOL_REF_TLS_MODEL properly inside CONST.
2888 (x86_64_zext_immediate_operand): Likewise.
2889 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
2890 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
2891 * config/i386/i386-protos.h: Remove predicates.md entries.
2893 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
2895 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
2896 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
2898 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
2899 Ian Lance Taylor <ian@airs.com>
2901 PR middle-end/23522
2902 * fold-const.c (fold_widened_comparison): Do not allow range based
2903 constant folding when right operand cannot be unwidened.
2905 2005-10-17 Richard Henderson <rth@redhat.com>
2907 * builtins.c (expand_builtin_synchronize): Build a new-style asm
2908 with a memory clobber.
2910 2005-10-17 James E Wilson <wilson@specifix.com>
2912 PR rtl-optimization/17356
2913 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
2914 checking for EDGE_EH.
2916 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
2918 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
2919 the slot on an even boundary for any type with 16-byte alignment.
2921 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
2923 PR target/23424
2924 * md.texi (Modifiers) <%>: Clarify that % doesn't work
2925 after register allocation.
2927 2005-10-17 DJ Delorie <dj@redhat.com>
2929 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
2930 as frame related.
2932 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
2934 PR c++/22551
2935 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
2936 overflow flags.
2938 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
2940 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
2941 to 2 if it's already non-zero.
2942 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
2943 is set and warn about it if flag_schedule_insns is 1.
2945 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
2947 * config/crx/crx.md: Compare-and-branch instructions need to
2948 invalidate CC.
2950 2005-10-17 Uros Bizjak <uros@kss-loka.si>
2952 PR target/24315
2953 * config/i386/i386.md (*pushdi2_rex64 splitter)
2954 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
2955 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
2956 flow2 pass only when (optimize > 0 && flag_peephole2).
2958 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
2960 PR driver/22544
2961 * gcc.c (have_c): New static variable.
2962 (have_o): Likewise.
2963 (process_command): Remove declation of have_c.
2964 Set have_o to 1 when handling -o.
2965 (main): Add a fatel error if there are multiple
2966 files specified and -o and -c/-S is passed witout
2967 -combine or multiple languages.
2969 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
2971 Fix PR tree-optimization/22444
2972 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
2973 Assert that we don't hit something with subvars.
2974 (setup_pointers_and_addressables): Don't add things with subvars,
2975 because we'll already process the subvars for aliasing purposes.
2977 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
2979 PR target/23424
2980 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
2981 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
2982 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
2983 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
2984 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
2985 swapped, alternatives for the R constraint.
2987 PR middle-end/24341
2988 * builtins.c (get_builtin_sync_mode): Make unlimited
2989 mode_for_size request.
2991 2005-10-15 Richard Henderson <rth@redhat.com>
2993 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
2994 (gimplify_expr): ... here.
2995 (gimplify_compound_lval): Use it in initial scan loop. Allow
2996 fb_lvalue in base expression.
2998 2005-10-15 Richard Henderson <rth@redhat.com>
3000 PR 23714
3001 * builtins.c (expand_builtin_trap): Export.
3002 * expr.h (expand_builtin_trap): Declare.
3003 * expr.c (expand_assignment): Emit a trap for integral offsets
3004 from registers that weren't reduced to bitpos.
3006 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
3007 (mark_array_ref_addressable): Remove.
3008 * tree-flow.h (mark_array_ref_addressable): Remove.
3009 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
3011 2005-10-15 James E Wilson <wilson@specifix.com>
3013 PR target/24232
3014 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
3015 (add_dependence_list_and_free): Likewise.
3016 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
3017 call.
3019 2005-10-15 Diego Novillo <dnovillo@redhat.com>
3021 PR 23141
3022 PR 23142
3023 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
3024 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
3025 anti-range.
3026 (vrp_visit_phi_node): Only prevent infinite iterations when
3027 the previous result and the new result are both VR_RANGEs.
3029 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
3031 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
3032 function comment.
3034 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3036 PR c/23439
3037 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
3038 to initialize loc.
3040 2005-10-14 Per Bothner <per@bothner.com>
3042 PR preprocessor/21250
3043 * c-ppoutput.c (print_line): Print internal line 0 as 1.
3045 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
3047 PR c++/22551
3048 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
3049 overflow flags. Refactor some conditionals.
3051 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
3053 PR tree-opt/21304
3054 * tree-dfa.c (add_referenced_var): Only look at decls which
3055 have TREE_CONSTANT or TREE_READONLY set instead of if
3056 !TREE_PUBLIC or !TREE_CONSTANT.
3058 2005-10-13 James E Wilson <wilson@specifix.com>
3060 * doc/invoke.texi: For -x, add f95-cpp-input.
3061 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
3063 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
3065 PR tree-optimization/24262
3066 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
3067 in loop all the time.
3069 2005-10-12 Richard Henderson <rth@redhat.com>
3071 PR c/24255
3072 * tree.h (DECL_TRANSPARENT_UNION): Remove.
3073 * function.c (assign_parm_find_data_types): Don't support it.
3074 * print-tree.c (print_node): Likewise.
3075 * c-common.c (handle_transparent_union_attribute): Likewise.
3076 Use build_duplicate_type.
3077 * tree-inline.c (remap_type_1): Split out of remap_type;
3078 properly remap aggregate fields.
3079 (build_duplicate_type): New.
3080 * doc/extend.texi (Variable Attributes): Remove documentation
3081 for transparent_union.
3083 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
3085 PR target/24284
3086 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
3087 (gen_stack_pointer_dec): Likewise.
3089 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
3091 PR middle-end/21275
3092 PR middle-end/21766
3093 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
3094 target hook.
3095 (struct cxx): Add adjust_class_at_definition target hook.
3096 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
3097 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
3098 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
3099 hook_void_tree. Add to TARGET_CXX.
3100 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
3101 dllimport_flag.
3102 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
3103 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
3104 instead of attribute. Check for dllexport override. Warn if
3105 inconsistent dll linkage. Don't lose old dllimport if decl has
3106 had address referenced. Tweak lookup of dllimport atribute.
3107 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
3108 for target specific rules. Don't add dllimport attribute if
3109 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
3110 dllimport attribute.
3111 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
3112 * varasm.c (initializer_constant_valid_p): Replace
3113 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
3115 PR target/21801
3116 PR target/23589
3117 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
3118 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
3119 (i[34567]86-*-mingw32*): Likewise.
3121 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
3122 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
3124 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
3125 C++-specific code. Change return value to bool.
3126 (i386_pe_dllimport_p): Likewise.
3127 (associated_type): Simplify and make language-independent
3128 (i386_pe_encode_section_info): Replace override of ambiguous
3129 dllimport symbol refs with a gcc_assert.
3130 (i386_pe_valid_dllimport_attribute_p): Define.
3131 * config/i386/winnt-cxx.c: New file. Define C++ versions of
3132 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3133 i386_pe_adjust_class_at_definition.
3134 * config/i386/winnt-stubs.c: New file. Define stub versions of
3135 lang-specific functions.
3136 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
3137 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
3138 i386_pe_adjust_class_at_definition.
3139 (i386_pe_valid_dllimport_attribute_p): Declare.
3140 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
3141 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
3142 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
3144 PR target/19704
3145 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
3146 dllimport attribute with test of DECL_DLLIMPORT_P.
3148 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
3150 * combine.c (make_extraction): Correct offset computation.
3152 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
3154 * config/cris/t-linux (LIMITS_H_TEST): Define.
3156 2005-10-12 Richard Henderson <rth@redhat.com>
3158 PR rtl-opt/23324
3159 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
3161 2005-10-12 Richard Guenther <rguenther@suse.de>
3163 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
3165 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
3167 PR c++/19964
3168 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
3169 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
3170 type.
3172 2005-10-12 Richard Guenther <rguenther@suse.de>
3174 PR c++/23799
3175 * varasm.c (output_constant): Correct typo from previous
3176 patch by DJ.
3178 2005-10-11 Ian Lance Taylor <ian@airs.com>
3180 PR rtl-optimization/13931
3181 * combine.c: Revert patch of 2003-05-14, and:
3182 (try_combine): Only set elim_i1 and elim_i2 if the destination is
3183 completely killed in the appropriate insn.
3184 (distribute_notes): Don't skip multiple hard register test for
3185 elim_i1 and elim_i2.
3187 2005-10-11 Richard Henderson <rth@redhat.com>
3189 PR c/24255
3190 * c-typeck.c (convert_for_assignment): Use build_constructor_single
3191 to initialize a transparent union instead of a nop_expr.
3193 2005-10-11 Richard Henderson <rth@redhat.com>
3195 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
3196 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
3197 (tree_ssa_dce_loop): Call scev_reset.
3199 PR tree-opt/24300
3200 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
3201 * tree-ssa-dce.c: Include cfgloop.h.
3202 (tree_ssa_dce_loop, pass_dce_loop): New.
3203 * tree-pass.h (pass_dce_loop): Declare it.
3204 * passes.c (init_optimization_passes): Use it.
3206 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3208 PR middle-end/24263
3209 * convert.c (convert_to_real): Revert 2005-10-05 patch.
3210 Only apply the optimization for rounding builtins if the inner
3211 cast is also an extension.
3213 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
3215 PR tree-opt/23946
3216 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
3217 mark_new_vars_to_rename instead of update_stmt.
3219 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
3221 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
3223 2005-10-11 Jakub Jelinek <jakub@redhat.com>
3225 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
3226 for setting MMX register to 0 rather than mmx.
3228 2005-10-10 Steve Ellcey <sje@cup.hp.com>
3230 PR target/12098
3231 * configure.ac: Move gas check from mips specific case to common case.
3232 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
3233 * configure: Regenerate
3234 * doc/install.texi: Update.
3236 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3238 PR target/24284
3239 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
3241 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
3243 * gcc.c (do_spec_1): Accept numeric characters in file name
3244 suffixes.
3246 2005-10-10 Nick Clifton <nickc@redhat.com>
3248 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
3249 describing the deleted arm_gen_rotated_half_load function.
3251 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
3253 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
3254 __fpscr_values.
3256 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
3258 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
3259 gnu_ld assignments.
3260 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
3261 (EXTRA_MULTILIB_PARTS): Define.
3262 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3263 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3264 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
3265 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
3266 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
3267 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
3269 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
3271 PR tree-optimization/24226
3272 * tree-cfg.c (remove_bb): Clean up unreachable loops.
3273 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
3274 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
3275 Export.
3277 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3279 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
3281 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
3283 PR target/24136
3284 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
3285 Rewrite for no need for the early clobber.
3287 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
3289 Merge from csl-arm-branch:
3290 2005-09-07 Paul Brook <paul@codesourcery.com>
3291 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
3292 space to string.
3294 2005-04-30 Paul Brook <paul@codesourcery.com>
3295 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
3296 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
3298 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
3299 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
3300 (arm_override_options): Use TARGET_AAPCS_BASED.
3301 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
3302 (PTRDIFF_TYPE): Use int for AAPCS.
3303 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
3304 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
3305 (DEFAULT_SHORT_ENUMS): Delete.
3306 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
3308 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
3309 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
3310 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
3311 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
3313 2004-12-03 Mark Mitchell <mark@codesourcery.com>
3314 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
3316 2004-11-22 Mark Mitchell <mark@codesourcery.com>
3317 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
3319 2004-11-19 Mark Mitchell <mark@codesourcery.com>
3320 * config.gcc (arm*-*-linux-gnueabi): Add it.
3321 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
3322 redefining it.
3323 (TARGET_OS_CPP_BUILTINS): Likeiwse.
3324 * config/arm/linux-eabi.h: New file.
3325 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
3326 (LINUX_TARET_LINK_SPEC): Likewise.
3327 (LINK_SPEC): Use it.
3328 * config/arm/t-linux-eabi: New file.
3330 2005-10-08 Steven Bosscher <stevenb@suse.de>
3332 PR other/22202
3333 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
3334 spaces.
3335 (PARAM_SMS_DFA_HISTORY): Likewise.
3337 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
3339 PR middle-end/23150
3340 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
3341 (load_register_parameters): Call it.
3342 (check_sibcall_argument_overlap_1): Likewise.
3343 (store_one_arg): Likewise.
3345 2005-10-07 James E. Wilson <wilson@specifix.com>
3347 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
3348 DImode not VECINT24 for operand 2.
3350 PR target/23644
3351 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
3352 -mtune-arch.
3354 PR target/24193
3355 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
3356 fr_spill): Use destination_operand for operand 0.
3358 2005-10-07 DJ Delorie <dj@redhat.com>
3360 * varasm.c (output_constant): Limit error to expanding
3361 conversions.
3363 2005-10-07 Richard Guenther <rguenther@suse.de>
3365 PR middle-end/24227
3366 * fold-const.c (fold_binary): Fix operand types during folding
3367 of X op (A, Y). Evaluation order of the side-effects of
3368 X and A are frontend-defined, so ensure we honour that even for
3369 tcc_comparison class operands; eased by removing duplicate code.
3371 2005-10-07 Steve Ellcey <sje@cup.hp.com>
3373 * stor-layout.c (layout_type): Do not allow alignment of array
3374 elements to be greater than their size.
3376 2005-10-07 Steve Ellcey <sje@cup.hp.com>
3378 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
3379 host_xmake_file.
3380 (hppa*-*-linux*): Ditto.
3381 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
3382 * config/host-hpux.c: New.
3383 * config/x-hpux: New.
3384 * config/pa/x-hpux: Remove.
3385 * config/pa/x-linux: Remove.
3386 * config/pa/pa-host.c: Remove.
3388 2005-10-07 Jeff Law <law@redhat.com>
3390 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
3391 determine whether or not to try and thread outgoing edges.
3393 2005-10-07 David Edelsohn <edelsohn@gnu.org>
3395 * config/rs6000/rs6000.md (eqsi_power): New.
3396 (neg_eq0si): Add TARGET_POWER to final condition.
3397 (neg_eqsi): Same.
3399 2005-10-06 Richard Henderson <rth@redhat.com>
3401 * config/rs6000/rs6000.c: Revert last change.
3403 2005-10-06 Richard Henderson <rth@redhat.com>
3405 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
3406 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
3408 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
3410 PR middle-end/22216
3411 PR middle-end/23651
3412 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
3413 out return_label and naked_return_label.
3415 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
3417 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
3418 change.
3420 2005-10-06 Richard Henderson <rth@redhat.com>
3422 PR tree-opt/22237
3423 * tree-inline.c (declare_return_variable): Handle modify_dest not
3424 being a DECL.
3426 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
3428 Fix PR tree-optimization/22488
3429 * tree-ssa-structalias.c (check_for_overlaps): New function.
3430 (create_variable_info_for): Use it.
3432 2005-10-06 Richard Henderson <rth@redhat.com>
3434 PR debug/24070
3435 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
3436 (dwarf2out_start_source_file): Print it.
3438 2005-10-06 Geoffrey Keating <geoffk@apple.com>
3440 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
3442 2005-10-06 Richard Henderson <rth@redhat.com>
3444 PR 23706
3445 * mode-switching.c (optimize_mode_switching): Clear transp bit
3446 for block with incomming abnormal edges.
3448 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
3449 (fpscr_set_from_mem): Use them.
3450 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
3451 (fpscr postinc splitters): Rewrite as peephole2+split.
3453 2005-10-06 David Edelsohn <edelsohn@gnu.org>
3455 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
3456 (eq<mode>_compare): Same.
3458 2005-10-06 Richard Guenther <rguenther@suse.de>
3460 PR tree-optimization/24238
3461 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
3463 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
3465 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
3466 here. Use AC_PATH_PROG for environment variables instead of
3467 test -x.
3468 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
3469 objdump also.
3470 * configure: Regenerated.
3472 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
3474 PR target/23783
3475 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
3476 then force it into a register.
3477 (call_value): Likewise.
3479 2005-10-06 Richard Henderson <rth@redhat.com>
3481 PR 24049
3482 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
3483 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
3484 under pass_vectorize.
3486 2005-10-05 Devang Patel <dpatel@apple.com>
3488 PR Debug/23205
3489 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
3490 handling constants. Check NAMESPACE_DECL context for constants.
3492 2005-10-05 Eric Christopher <echristo@apple.com>
3494 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
3496 2005-10-05 Richard Henderson <rth@redhat.com>
3498 PR 23714
3499 * tree-cfg.c (mark_array_ref_addressable_1): New.
3500 (mark_array_ref_addressable): New.
3501 * tree-flow.h (mark_array_ref_addressable): Declare.
3502 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
3504 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
3506 PR middle-end/20606
3507 PR middle-end/24069
3508 * reload.c (subst_reloads): When adding a REG_LABEL to a
3509 jump instruction, also update JUMP_LABEL.
3511 2005-10-05 David Edelsohn <edelsohn@gnu.org>
3513 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
3514 * bb-reorder.c (copy_bb_p): Use it.
3515 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
3517 2005-10-05 Richard Henderson <rth@redhat.com>
3519 PR target/23602
3520 * toplev.c (process_options): Warn about unsupported combinations
3521 of unwind tables and omit-frame-pointer.
3522 * config/i386/i386.c (override_options): Similarly. Enable
3523 accumulate-outgoing-args if not explicitly disabled.
3525 2005-10-05 Steve Ellcey <sje@cup.hp.com>
3527 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
3528 Handle big endian vs. small endian.
3529 (vec_initv2sf): Handle big endian vs. small endian.
3530 (*vec_extractv2sf_1): Ditto.
3532 2005-10-05 Dale Johannesen <dalej@apple.com>
3534 * convert.c (convert_to_real): Don't convert
3535 (float)floor(double d) to floorf((float)d).
3537 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
3539 * config/arm/arm.md (insv): Use gen_int_mode in more places.
3541 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
3543 PR tree-optimization/18587
3544 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
3545 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
3546 build_vuses): Change to VEC type.
3547 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
3548 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
3549 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
3550 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
3551 (get_name_decl): New. Return DECL_UID of base variable.
3552 (operand_build_cmp): New. qsort comparison routine.
3553 (operand_build_sort_virtual): New. Sort virtual build vector.
3554 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
3555 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
3556 (FINALIZE_BASE): Use get_name_decl.
3557 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
3558 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
3559 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
3560 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
3561 direct VEC_* manipulations.
3562 (build_ssa_operands): Call operand_build_sort_virtual.
3563 (copy_virtual_operand, create_ssa_artficial_load_stmt,
3564 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
3565 with direct VEC_* manipulations.
3566 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
3567 with direct VEC manipulations.
3569 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
3571 PR tree-optimization/21419
3572 PR tree-optimization/24146
3573 PR tree-optimization/24151
3575 * c-typeck.c (readonly_error): Handle USE being lv_asm.
3576 (build_asm_expr): Call it if outputs are read-only.
3577 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
3579 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
3580 Paolo Bonzini <bonzini@gnu.org>
3582 PR target/23809
3584 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
3585 enable the instructions and not just the built-ins.
3586 * doc/invoke.texi (x86 Options): Likewise.
3588 2005-10-04 Geoffrey Keating <geoffk@apple.com>
3590 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
3592 * doc/invoke.texi (Option Summary): Correct spelling
3593 of -mmacosx-version-min.
3595 2005-10-04 Devang Patel <dpatel@apple.com>
3597 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
3598 real types.
3600 2005-10-04 Steve Ellcey <sje@cup.hp.com>
3602 * tree-vect-transform.c (vect_create_epilog_for_reduction):
3603 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
3605 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
3607 * config/s390/s390.md ("TDSI","DP"): New mode macros.
3608 ("TE","tg"): New mode attributes.
3609 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
3610 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
3611 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
3612 dword_mode and one for GPRmode.
3614 2005-10-04 Ian Lance Taylor <ian@airs.com>
3616 PR preprocessor/13726
3617 * c-ppoutput.c (cb_include): Add comments parameter, and print out
3618 any comments passed in.
3620 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3622 * tree.c (annotate_with_file_line): Fix typo.
3624 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3626 PR ada/19382
3627 * builtins.c (fold_builtin_memcmp): When constructing the pointer
3628 type used to access data in the inlined length == 1 case, use
3629 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
3630 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
3632 2005-10-04 Uros Bizjak <uros@kss-loka.si>
3634 * config/i386/i386.h (TARGET_FISTTP): Enable also for
3635 TARGET_SSE3 and only for TARGET_80387.
3636 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
3637 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
3638 Do not depend on TARGET_80387.
3640 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3642 * tree.c (last_annotated_node): Change type to location_t*.
3643 (annotate_with_file_line): Reflect the change of
3644 last_annotated_node type.
3646 2005-10-04 Richard Guenther <rguenther@suse.de>
3648 PR c/23576
3649 * c-decl.c (grokdeclarator): Don't write to fields
3650 of error_mark_node.
3652 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
3654 PR middle-end/23125
3655 * c-decl.c (finish_decl): Use set_user_assembler_name even for
3656 register variables.
3657 * varasm.c (make_decl_rtl): If a register variable does not
3658 have a set user assmbler name, error out.
3659 Decode the asmspec is now name+1 bypassing '*'.
3661 2005-10-04 Steven Bosscher <stevenb@suse.de>
3663 PR tree-optimization/23049
3664 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
3665 of a COND_EXPR is folded before calling fold on the whole rhs of a
3666 conditional assignment.
3667 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
3668 document that a COND_EXPR may appear there.
3670 2005-10-03 Diego Novillo <dnovillo@redhat.com>
3672 PR 23445
3673 * tree-vrp.c (extract_range_from_assert): If the new numeric
3674 range created out of the assertion contradicts the existing
3675 numeric range of the ASSERT_EXPR variable, make the new range
3676 varying.
3678 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
3680 * config/sh/sh.c (sh_register_move_cost): Add case for moving
3681 from T_REGS to FP register class.
3683 2005-10-03 Richard Henderson <rth@redhat.com>
3685 PR 24135
3686 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
3687 before creating a new one.
3689 2005-10-03 David Edelsohn <edelsohn@gnu.org>
3691 * config/rs6000/t-aix43 (LDFLAGS): New.
3692 * config/rs6000/t-aix52 (LDFLAGS): New.
3694 2005-10-03 Ian Lance Taylor <ian@airs.com>
3696 * gimplify.c (find_single_pointer_decl_1): New static function.
3697 (find_single_pointer_decl): New static function.
3698 (internal_get_tmp_var): For a formal variable, set restrict base
3699 information if appropriate.
3700 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
3701 return it.
3702 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
3703 (DECL_GET_RESTRICT_BASE): Define.
3704 (SET_DECL_RESTRICT_BASE): Define.
3705 (decl_restrict_base_lookup): Declare.
3706 (decl_restrict_base_insert): Declare.
3707 (struct tree_decl_with_vis): Add based_on_restrict_p field.
3708 * tree.c (restrict_base_for_decl): New static variable.
3709 (init_ttree): Initialize restrict_base_for_decl.
3710 (copy_node_stat): Copy restrict base information.
3711 (decl_restrict_base_lookup): New function.
3712 (decl_restrict_base_insert): New function.
3713 (print_restrict_base_statistics): New static function.
3714 (dump_tree_statistics): Call print_restrict_base_statistics.
3716 2005-10-02 Diego Novillo <dnovillo@redhat.com>
3718 PR 24142
3719 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
3720 case of anti-ranges.
3722 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
3724 PR c/18851
3725 * c-typeck.c (tagged_tu_seen): Rename to ...
3726 (tagged_tu_seen_cache): this and add val field.
3727 (comptypes): Move functional to comptypes_internal
3728 and free tagged_tu_seen.
3729 (comptypes_internal): New function and call comptypes_internal
3730 instead of comptypes. Speed up by sibcalling
3731 tagged_types_tu_compatible_p.
3732 (alloc_tagged_tu_seen): New function
3733 (free_all_tagged_tu_seen_up_to): New function.
3734 (tagged_types_tu_compatible_p): Return the val of the seen two
3735 types.
3736 Add that the two types are the same to tagged_tu_seen_base
3737 if they are and call comptypes_internal instead of comptypes.
3738 <case UNION_TYPE>: Speed up common type where the fields are
3739 in the same order.
3740 (function_types_compatible_p): Call comptypes_internal instead of
3741 comptypes.
3742 (type_lists_compatible_p): Likewise.
3743 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
3745 2005-10-02 Matthias Klose <doko@debian.org>
3747 * doc/invoke.texi: Fix typo and speling error.
3749 2005-10-01 Richard Henderson <rth@redhat.com>
3751 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
3753 2005-10-01 Mark Mitchell <mark@codesourcery.com>
3755 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
3756 using --start-group and --end-group.
3758 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3760 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
3761 FIXME note regarding quirky semantics.
3763 2005-10-01 Diego Novillo <dnovillo@redhat.com>
3765 PR 24141
3766 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
3767 non-null range as a last resort.
3769 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
3770 Diego Novillo <dnovillo@redhat.com>
3772 PR 23604
3773 * tree-vrp.c (extract_range_from_assert): For !=
3774 assertions, only build an anti-range if LIMIT is a
3775 single-valued range.
3777 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
3779 * arm.md (movqi): On thumb when optimizing, handle loading from
3780 memory by describing this as taking a subreg of a zero-extended load
3781 into an SImode register.
3782 (movhi): Likewise.
3784 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
3786 * reload1.c (merge_assigned_reloads): Do not change any
3787 RELOAD_FOR_OUTPUT_ADDRESS reloads.
3789 2005-09-30 Geoffrey Keating <geoffk@apple.com>
3791 * Makefile.in (LIPO_FOR_TARGET): Define.
3792 (STRIP_FOR_TARGET): Define.
3794 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
3795 before creating new ones. Do symlinks before creating the actual
3796 targets.
3798 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
3799 to work out which multilibs are actually being built.
3801 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
3803 * tree-vect-transform.c, config/ms1/ms1.md,
3804 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
3805 Follow spelling conventions.
3806 * doc/invoke.texi, doc/md.texi: Fix typos.
3808 2005-09-30 Andrew Macleod <amacleod@redat.com>
3810 PR tree-optimization/21430
3811 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
3812 use operands, and set stmt pointer if need be.
3813 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
3814 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
3815 present.
3817 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3819 PR middle-end/24053
3820 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
3822 2005-09-29 Mark Mitchell <mark@codesourcery.com>
3824 * optabs.c (expand_binop): Initialize first_pass_p.
3826 2005-09-29 Jakub Jelinek <jakub@redhat.com>
3828 PR middle-end/24109
3829 * c-decl.c (c_write_global_declarations_1): If any
3830 wrapup_global_declaration_2 call returned true, restart the loop.
3832 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
3834 Fix PR tree-optimization/24117
3835 * tree-ssa-structalias.c (find_func_aliases): Strip nops
3836 before considering whether to use anyoffset.
3838 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3840 Revert this patch:
3842 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
3844 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3845 to order operands.
3846 (swap_commutative_operands_with_target): New.
3848 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
3850 PR c/21419
3851 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
3852 read-only.
3854 2005-09-29 Steven Bosscher <stevenb@suse.de>
3856 PR tree-optimization/23911
3857 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
3858 and IMAGPART_EXPR too.
3860 2005-09-28 Mark Mitchell <mark@codesourcery.com>
3862 PR 17886
3863 * expmed.c (expand_shift): Move logic to reverse rotation
3864 direction when rotating by constants ...
3865 * optabs.c (expand_binop): ... here.
3866 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
3867 (ix86_rotrdi3): New pattern.
3868 (rotldi3): Handle 32-bit mode.
3869 (ix86_rotldi3): New pattern.
3871 2005-09-29 Alan Modra <amodra@bigpond.net.au>
3873 PR target/24102
3874 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
3875 check for numbers that need no bit twiddle.
3877 2005-09-28 Geoffrey Keating <geoffk@apple.com>
3879 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
3880 multilib to be built.
3882 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
3883 (stage1-start): Delete old libgcc and libunwind before moving
3884 anything into the stage directory.
3885 (stage2-start): Likewise.
3886 (stage3-start): Likewise.
3887 (stage4-start): Likewise.
3888 (stageprofile-start): Likewise.
3889 (stagefeedback-start): Likewise.
3890 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
3891 header in tm_file and CPU-specific t-darwin in tmake_file.
3892 (i[34567]86-*-darwin*): Don't change tm_file.
3893 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
3894 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
3895 shared library stub for target OS version.
3896 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
3897 (SHLIB_LINK): Don't make SHLIB_SOLINK.
3898 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
3899 (libgcc_s.%.dylib): New.
3900 (LIBGCC): Define.
3901 (install-darwin-libgcc-stubs): New.
3902 (INSTALL_LIBGCC): New append.
3903 * config/i386/darwin-libgcc.10.4.ver: New.
3904 * config/i386/darwin-libgcc.10.5.ver: New.
3905 * config/i386/t-darwin: New.
3906 * config/rs6000/darwin-libgcc.10.4.ver: New.
3907 * config/rs6000/darwin-libgcc.10.5.ver: New.
3908 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
3909 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
3911 2005-09-28 Paul Brook <paul@codesourcery.com>
3913 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
3914 denormals.
3916 2005-09-28 Richard Guenther <rguenther@suse.de>
3918 PR tree-optimization/23853
3919 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
3920 host_integerp to verify misalignment value.
3922 2005-09-28 Richard Henderson <rth@redhat.com>
3924 * builtins.c (get_builtin_sync_mode): New.
3925 (expand_builtin_sync_operation): Pass in mode argument.
3926 (expand_builtin_compare_and_swap): Likewise.
3927 (expand_builtin_lock_test_and_set): Likewise.
3928 (expand_builtin_lock_release): Likewise.
3929 (expand_builtin): Update to match.
3931 2005-09-28 Nick Clifton <nickc@redhat.com>
3933 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
3934 formatting. Add check to PLUS case to ensure that the offset is
3935 within an acceptable range.
3937 * config/v850/v850.md (casesi): Disable the generation of the
3938 switch pattern as it is not being handled properly at the moment.
3940 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
3941 for when the high words are identical.
3943 2005-09-27 Richard Henderson <rth@redhat.com>
3945 * pretty-print.c (pp_base_format): Fix typo for %>.
3947 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
3948 Devang Patel <dpatel@apple.com>
3950 PR tree-optimization/23625
3951 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
3952 LABEL_EXPR, assertion check.
3954 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
3956 * optabs.c (no_conflict_move_test): Check if a result of a
3957 to-be-moved insn would be clobbered by an originally
3958 preceding insn.
3960 2005-09-27 Jeff Law <law@redhat.com>
3962 * passes.c (init_optimization_passes): Replace copy propagation
3963 passes immediately after DOM with phi-only copy propagation
3964 pases. Add phi-only copy propagation pass after first DOM pass.
3965 * tree-pass.h (pass_phi_only_copy_prop): Declare.
3966 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
3967 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
3968 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
3969 to init_copy_prop. Callers updated.
3970 (do_phi_only_copy_prop): New function.
3971 (pass_phi_only_copy_prop): New pass descriptor.
3973 2005-09-27 Nick Clifton <nickc@redhat.com>
3975 * libgcc2.c (__popcount_tab): Remove redundant prototype.
3977 2005-09-26 Jason Merrill <jason@redhat.com>
3979 PR c++/13764
3980 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
3982 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
3984 2005-09-26 James E Wilson <wilson@specifix.com>
3986 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
3987 copyright. Add gcc copyright plus libgcc exception.
3988 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
3989 copyright.
3990 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
3992 2005-09-26 Jeff Law <law@redhat.com>
3994 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
3995 about when to iterate.
3997 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
3999 PR target/23847
4000 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
4001 for __complex__ double in -mcpu=G5 mode.
4003 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
4005 PR tree-optimization/23942
4006 * Makefile.in (SCEV_H): Depends on PARAMS_H.
4007 * tree-scalar-evolution.c: Include params.h.
4008 (t_bool): New enum.
4009 (follow_ssa_edge, follow_ssa_edge_in_rhs,
4010 follow_ssa_edge_in_condition_phi_branch,
4011 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
4012 Change return type to t_bool. Use a parameter to limit the size of
4013 trees that are walked before stopping
4014 (analyze_evolution_in_loop): Initialize the limit to 0.
4015 (follow_ssa_edge): Give up by returning t_dont_know if the limit
4016 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4018 2005-09-26 Uros Bizjak <uros@kss-loka.si>
4020 PR middle-end/23831
4021 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
4022 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
4024 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
4026 * combine.c (make_extraction): Check for valid use of subreg.
4028 2005-09-26 Uros Bizjak <uros@kss-loka.si>
4030 PR target/24055
4031 * config/i386/i386.md ("*fistdi2_1"): New pattern.
4032 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
4033 ("fist<mode>2_with_temp"): Use only register operands.
4035 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
4037 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
4038 CALL_INSN_FUNCTION_USAGE.
4040 2005-09-26 Richard Guenther <rguenther@suse.de>
4042 PR middle-end/15855
4043 * gcse.c: Include hashtab.h, define ldst entry hashtable.
4044 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
4045 (ldst_entry): Use the hashtable instead of list-walking.
4046 (find_rtx_in_ldst): Likewise.
4047 (free_ldst_entry): Free the hashtable.
4048 (compute_ld_motion_mems): Create the hashtable.
4049 (trim_ld_motion_mems): Remove entry from hashtable if
4050 removing it from list.
4051 (compute_store_table): Likewise^2.
4052 (store_motion): Free hashtable in case we did not see
4053 any stores.
4055 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
4057 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
4058 and arg1 if we are passing them to fold_build2.
4060 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
4062 PR 23828
4063 * config/i386/i386.c (ix86_function_regparm): Fix the test for
4064 a nested function.
4066 2005-09-25 Richard Henderson <rth@redhat.com>
4068 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
4069 SYMBOL_REF_TLS_MODEL to be correct.
4071 2005-09-24 Richard Henderson <rth@redhat.com>
4073 * ipa-type-escape.c (discover_unique_type): Remove dead code at
4074 end of function. Reindent.
4076 2005-09-24 Ian Lance Taylor <ian@airs.com>
4078 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
4079 NEGATE_EXPR/BIT_NOT_EXPR case.
4081 2005-09-24 Richard Henderson <rth@redhat.com>
4083 * c-common.c (handle_mode_attribute): When not modifying in place,
4084 create subtypes for enumerations.
4085 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
4086 * gimplify.c (create_tmp_from_val): Likewise.
4088 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
4090 * config/i386/i386.md (*tls_global_dynamic_64,
4091 *tls_local_dynamic_base_64): Add missing mode to call.
4092 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
4094 2005-09-24 Jan Hubicka <jh@suse.cz>
4096 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
4097 (cgraph_clone_node): Likewise.
4098 * cgraph.h (cgraph_clone_edge): Update prototype.
4099 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
4100 duplicated prototypes; add updating argument.
4101 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
4102 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
4103 updating profile.
4104 (cgraph_mark_inline_edge): Likewise.
4105 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
4106 (cgraph_flatten_node): Likewise.
4107 (cgraph_decide_recursive_inlining): Likewise.
4108 (cgraph_decide_inlining_of_small_function): Likewise.
4109 * tree-optimize.c (tree_rest_of_compilation): Likewise.
4111 2005-09-23 David Edelsohn <edelsohn@gnu.org>
4112 Pete Steinmetz <steinmtz@us.ibm.com>
4114 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
4115 (rldic.): Set type to "compare".
4116 (rldicr.): Same.
4117 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
4118 mfjmpr for MFCTR/MFLR.
4119 (movdf_hardfloat64): Same.
4120 (movdf_softfloat64): Same. Correct order of store and move types.
4121 (movti_string): Set type to store_ux/load_ux.
4122 (load_multiple): Set type to load_ux.
4123 (store_multiple): Set type to store_ux.
4124 (movmemsi): Set type to store_ux.
4125 (output_cbranch direct_return): Set type to jmpreg.
4126 (stmw): Set type to store_ux.
4127 (lmw): Set type to load_ux.
4128 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
4129 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
4130 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
4131 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
4132 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
4133 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
4134 (rios1-fpstore): Increase latency to 3.
4135 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
4136 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
4138 2005-09-23 David Edelsohn <edelsohn@gnu.org>
4139 Andrew Pinski <pinskia@physics.uc.edu>
4141 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
4142 operand2 constraint to "b".
4143 (sync_<fetchop_name>di_internal): Same.
4144 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
4145 to "b".
4146 (sync_old_<fetchop_name>di_internal): Same.
4147 (sync_new_<fetchop_name>si_internal): Same.
4148 (sync_new_<fetchop_name>di_internal): Same.
4150 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
4152 PR middle-end/23991
4153 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
4154 case, define as macros.
4156 PR rtl-optimization/23837
4157 * optabs.c (no_conflict_move_test): Don't set must_stay for a
4158 clobber / clobber match between dest and p->first.
4160 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
4161 (no_conflict_move_test): Update comments.
4163 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
4165 * doc/install.texi: Update URL for Jacks.
4166 * doc/sourcebuild.texi: Likewise.
4168 2005-09-22 David Edelsohn <edelsohn@gnu.org>
4170 PR target/24007
4171 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
4172 registers when choosing register preferences.
4173 (movdf_hardfloat64): Same.
4175 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
4177 * expmed.c (expand_shift): Don't use the target of the rotate as
4178 target for the first expanded shift insn.
4179 * testsuite/gcc.dg/20050922-1.c: Testcase added.
4181 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
4183 PR tree-optimization/22438
4184 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
4185 preserved iv rhs rewriting specially.
4187 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
4189 * tree-data-ref.c (analyze_array_indexes): Only estimate when
4190 estimate_only is true.
4191 * tree-flow.h (ref_contains_indirect_ref): New prototype.
4192 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
4193 tree-ssa-structalias.c
4194 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
4195 ref_contains_indirect_ref.
4196 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
4198 2005-09-21 DJ Delorie <dj@redhat.com>
4200 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
4201 MASK_PTR_A0D0.
4202 (mn10300_return_in_memory): Support variable size types also.
4203 (mn10300_pass_by_reference): Likewise.
4204 (mn10300_function_value): New.
4205 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
4206 (FUNCTION_OUTGOING_VALUE): Likewise.
4207 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
4208 * doc/invoke.texi: Document it.
4210 2005-09-21 Uros Bizjak <uros@kss-loka.si>
4212 PR target/22585
4213 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
4214 force integer op1 into register for XFmode compares.
4216 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
4218 PR middle-end/23971
4219 * expmed.c (alg_code): Add alg_impossible.
4220 (alg_hash_entry): Add cost.
4221 (synth_mult): Record alg_impossible in the hash table if
4222 multiplication by a given integer is impossble within the
4223 limit. Speed up using alg_impossible.
4225 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
4227 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
4228 argument. Allow and set any offset if needs_anyoffset is passed
4229 in.
4230 (get_constraint_for): Add argument here too.
4231 Pass it down.
4232 (do_structure_copy): Pass NULL to get_constraint_for.
4233 (handle_ptr_arith): Ditto.
4234 (find_func_aliases): Ditto.
4236 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
4238 PR rtl-optimization/23898
4239 * output.h (get_attr_min_length): Declare.
4240 * final.c (get_attr_length_1): New function, broken out of:
4241 (get_attr_length).
4242 (get_attr_min_length): New function.
4243 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
4244 (duplicate_computed_gotos): Likewise.
4245 * genattr.c (insn_min_length): Generate declaration.
4246 * genattrtab.c (min_fn, min_attr_value): New functions.
4247 (make_length_attrs): Generate insn_min_length.
4249 2005-09-20 Steve Ellcey <sje@cup.hp.com>
4251 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
4253 2005-09-20 Richard Henderson <rth@redhat.com>
4255 PR tree-optimization/24059
4256 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
4257 EXPAND_STACK_PARM.
4259 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
4261 * c.opt (fextended-identifiers): New.
4262 * c-opts.c (c_common_handle_option): Handle
4263 -fextended-identifiers.
4264 * doc/cpp.texi: Update documentation of extended identifiers.
4265 * doc/cppopts.texi (-fextended-identifiers): Document.
4267 2005-09-20 Jakub Jelinek <jakub@redhat.com>
4269 PR tree-optimization/23929
4270 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
4271 if expr is NULL.
4273 PR tree-optimization/23818
4274 * tree-stdarg.c (execute_optimize_stdarg): Call
4275 calculate_dominance_info.
4277 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
4279 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
4280 (analyze_siv_subscript_cst_affine): Add weak SIV test.
4281 (compute_overlap_steps_for_affine_1_2): Use
4282 get_number_of_iters_for_loop.
4283 (analyze_subscript_affine_affine): Check whether difference is
4284 zero first.
4285 Use get_number_of_iters_for_loop.
4286 Check whether overlap occurs outside of bounds.
4287 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
4289 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
4291 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
4292 base register if possible.
4294 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
4296 PR tree-optimization/18463
4297 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
4298 converting it directly is not possible.
4299 (chrec_convert_aggressive): New function.
4300 * tree-chrec.h (chrec_convert_aggressive): Declare.
4301 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
4302 Fold chrec conversions aggressively if asked to.
4303 (instantiate_parameters): Modified because of changes in
4304 instantiate_parameters_1.
4306 2005-09-19 Richard Henderson <rth@redhat.com>
4308 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
4309 (reduc_splus_v2df): New.
4311 2005-09-19 Richard Sandiford <richard@codesourcery.com>
4313 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
4314 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
4316 2005-09-19 Richard Henderson <rth@redhat.com>
4318 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
4319 vcondu<SSEMODE12>.
4321 2005-09-19 Richard Henderson <rth@redhat.com>
4323 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
4324 (ia64_expand_dot_prod_v8qi): New.
4325 * config/ia64/ia64-protos.h: Update.
4326 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
4327 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
4328 sdot_prodv8qi, sdot_prodv4hi): New.
4329 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
4331 2005-09-19 Richard Henderson <rth@redhat.com>
4333 PR 23941
4334 * real.c (exact_real_truncate): Return false if the format cannot
4335 represent the number as a normal.
4337 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
4338 for a memory source.
4340 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
4342 * tree-ssa-operands.c (swap_tree_operands): Export.
4343 * tree.h (swap_tree_operands): Declare.
4344 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
4345 Call swap_tree_operands.
4347 2005-09-19 Richard Henderson <rth@redhat.com>
4349 * tree-flow.h (merge_alias_info): Declare.
4350 * tree-ssa-copy.c (merge_alias_info): Export.
4351 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
4352 (vect_create_data_ref_ptr): Use create_iv directly.
4353 (vectorizable_load): Use correct types for integer constants.
4354 (vect_generate_tmps_on_preheader): Likewise.
4355 (vect_gen_niters_for_prolog_loop): Likewise.
4357 2005-09-19 Steven Bosscher <stevenb@suse.de>
4359 PR rtl-optimization/23943
4360 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
4362 2005-09-18 Jan Hubicka <jh@suse.cz>
4364 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
4366 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
4368 * varasm.c (output_constant): Do not abort on conversions to union
4369 types between different sizes.
4371 2005-09-18 Richard Guenther <rguenther@suse.de>
4373 PR middle-end/23944
4374 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
4375 fallback.
4377 2005-09-18 Paul Brook <paul@codesourcery.com>
4379 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
4381 2005-09-17 Richard Henderson <rth@redhat.com>
4383 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
4384 * tree-ssa-loop.c (pass_vect_dce): Remove.
4385 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
4386 of pass_vectorize.
4388 2005-09-17 Richard Henderson <rth@redhat.com>
4390 * tree-pass.h (pass_vect_dce): Declare.
4391 * passes.c (init_optimization_passes): Add it.
4392 * tree-flow.h (tree_ssa_dce): Declare.
4393 * tree-ssa-dce.c (tree_ssa_dce): Export.
4394 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
4395 (gate_tree_vectorize): ... here.
4396 (pass_vect_dce): New.
4398 2005-09-17 Jan Hubicka <jh@suse.cz>
4400 * except.c (struct eh_status): Turn region_array into vec.
4401 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
4402 convert_from_eh_region_ranges, find_exception_handler_labels,
4403 current_function_has_exception_handlers, assign_filter_values,
4404 build_post_landing_pads, dw2_build_landing_pads,
4405 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
4406 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
4407 foreach_reachable_handler, can_throw_internal_1,
4408 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
4409 region_array.
4410 (duplicate_eh_region_1): Update region_array.
4411 (duplicate_eh_regions): Resize region_array and avoid recomputing.
4413 2005-09-17 David Edelsohn <edelsohn@gnu.org>
4415 PR middle-end/22067
4416 * expmed.c (expand_mult): Substitute simple register for op0 when
4417 computing max_cost.
4419 2005-09-17 Richard Henderson <rth@redhat.com>
4421 * expr.c (emit_move_via_integer): Add force argument, pass it on
4422 to emit_move_change_mode. Update callers.
4423 (emit_move_complex): Pass true to new force argument.
4424 * function.c (expand_function_end): Move expand_eh_return call
4425 earlier. Merge sub-word complex values into a pseudo before
4426 copying to the return hard register.
4428 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
4430 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
4431 between different sizes.
4433 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
4435 PR 23903
4437 * passes.c (init_optimization_passes): Register dump files for
4438 IPA passes first.
4440 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
4442 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
4443 * config/s390/s390.c (s390_overlap_p): New function.
4444 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
4445 peephole2, "*xc" peephole2): Added overlap check to the peephole2
4446 condition.
4448 2005-09-16 Richard Guenther <rguenther@suse.de>
4450 * ipa-pure-const.c (static_execute): Free auxiliar information.
4451 * ipa-type-escape.c (discover_unique_type): Free temporary key.
4452 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
4454 2005-09-15 DJ Delorie <dj@redhat.com>
4456 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
4458 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
4460 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
4461 to order operands.
4462 (swap_commutative_operands_with_target): New.
4464 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
4466 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
4467 parameter.
4468 Update callers.
4469 (estimate_iters_using_array): New function.
4470 * tree-data-ref.h (estimate_iters_using_array): Prototype
4471 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4472 Use estimate_iters_using_array instead of analyze_array.
4474 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
4476 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
4477 as addressable.
4479 2005-09-15 Michael Matz <matz@suse.de>
4481 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
4483 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
4485 PR tree-optimization/23835
4486 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
4487 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
4489 2005-09-14 Richard Henderson <rth@redhat.com>
4491 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
4492 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
4494 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
4496 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
4497 in the ARRAY_TYPE case.
4499 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
4501 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
4503 2005-09-14 Uros Bizjak <uros@kss-loka.si>
4505 PR middle-end/22480
4506 * tree-vect-transform.c (vectorizable_operation): Return false for
4507 scalar shift operations and for vector shift operations with
4508 non-invariant shift arguments. Use scalar tree operand op1 as
4509 a shift operand when vector shift insn pattern uses scalar shift
4510 operand.
4511 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
4513 2005-09-14 Olivier Hainque <hainque@adacore.com>
4515 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
4516 value if it has side-effects.
4518 2005-09-14 David Edelsohn <edelsohn@gnu.org>
4520 PR target/22068
4521 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
4523 2005-09-14 Alan Modra <amodra@bigpond.net.au>
4525 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
4526 passed as NAME as if it were label at start of function code.
4528 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
4530 * config/sh/sh.md (*movv4sf_i): Add general register cases to
4531 the constraints.
4533 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4535 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
4536 as early clobber. Rewrite so the PIC register is not implicitly used.
4538 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4540 * tree.c (annotate_with_file_line): Compare line numbers before
4541 file names.
4543 2005-09-13 Uros Bizjak <uros@kss-loka.si>
4545 PR target/23816
4546 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
4547 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
4549 2005-09-13 Ian Lance Taylor <ian@airs.com>
4551 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
4552 than a HOST_WIDEST_INT to gen_doloop_begin.
4554 2005-09-13 Diego Novillo <dnovillo@redhat.com>
4556 * tree-dfa.c (dump_variable): Guard against NULL annotations.
4558 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
4560 PR tree-optimize/23817
4561 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
4563 2005-09-13 Alan Modra <amodra@bigpond.net.au>
4565 PR target/23774
4566 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
4567 word before changing the stack pointer. Use gen_frame_mem for MEMs.
4568 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
4569 (restore_stack_nonlocal): Likewise.
4570 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
4572 2005-09-12 Ian Lance Taylor <ian@airs.com>
4574 PR g++/7874
4575 * c.opt (ffriend-injection): New C++ option.
4576 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
4577 (C++ Dialect Options): Document -ffriend-injection.
4579 2005-09-12 Josh Conner <jconner@apple.com>
4581 PR middle-end/23237
4582 * ipa-reference.c (static_execute): Don't mark variables in
4583 named sections TREE_READONLY.
4585 2005-09-12 Alan Modra <amodra@bigpond.net.au>
4587 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
4588 stack_tie.
4590 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4592 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
4593 V_MUST_DEF instead of just the first_use_p.
4594 Don't mark the virtual variables for renaming on the statement which
4595 is being removed.
4596 (pass_dse): Remove TODO_update_ssa.
4598 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
4600 PR middle-end/23290
4601 * stor-layout.c (compute_record_mode): For records with a single
4602 field, actually check the field's mode size against the type size.
4604 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
4605 registers for TARGET_SHMEDIA.
4606 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
4607 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
4608 of GENERAL_REGS and FP_REGS.
4610 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
4612 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
4614 2005-09-12 Alan Modra <amodra@bigpond.net.au>
4616 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
4617 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
4618 are omitted. Exclude stack_tie insn too.
4620 2005-09-11 David Edelsohn <edelsohn@gnu.org>
4622 PR rtl-optimization/23098
4623 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
4624 0.0f is easy.
4625 * config/rs6000/rs6000.md (movdf splitter): Use
4626 const_double_operand predicate for TARGET_POWERPC64.
4627 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
4628 SYMBOL_REF method to ABI_V4.
4630 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
4631 replace_equiv_address.
4632 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
4633 rs6000_sr_alias_set and MEM_NOTRAP.
4634 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
4636 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
4638 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
4639 handle CALL_EXPR again.
4641 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
4643 * arm/predicates.md (alignable_memory_operand): Delete.
4645 2005-09-10 Richard Henderson <rth@redhat.com>
4647 PR debug/23806
4648 * dbxout.c (dbxout_expand_expr): New.
4649 (dbxout_symbol): Use it.
4651 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
4653 * arm.c (arm_gen_rotated_half_load): Delete.
4654 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
4655 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
4656 (thumb_set_return_address): Likewise.
4657 (thumb_load_double_from_address): Use adjust_address.
4658 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
4659 (extendhsisi2_mem, movhi_bytes): Use change_address.
4660 (movhi): Use widen_memory_access.
4661 (reload_out_df): Use replace_equiv_address.
4662 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
4664 2005-09-09 Richard Henderson <rth@redhat.com>
4666 PR debug/20998
4667 * dbxout.c: Include expr.h.
4668 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
4669 (dbxout_symbol): Handle DECL_VALUE_EXPR.
4670 * Makefile.in (dbxout.o): Add EXPR_H.
4672 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
4674 PR tree-optimization/23509
4675 * tree-cfg.c (replace_uses_by): Use replace_exp.
4676 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
4677 pointers have name_mem_tag or type_mem_tag set.
4679 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4681 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
4682 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
4683 of wrongly accessing operands.
4685 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
4687 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
4688 * tree-chrec.c: Include tree-scalar-evolution.h.
4689 (chrec_convert): Instantiate the base and step before calling
4690 scev_probably_wraps_p that would fail on parametric evolutions.
4691 Collect all the fails into a single section failed_to_convert,
4692 print a diagnostic, and return chrec_dont_know instead of calling
4693 fold_convert.
4694 * tree-scalar-evolution.c (loop_closed_phi_def): New.
4695 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
4696 phi nodes.
4697 (scev_const_prop): Don't replace the definition of a loop closed ssa
4698 phi node by itself, or by another loop closed ssa phi node.
4699 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
4700 that base and step are defined.
4702 2005-09-09 Richard Guenther <rguenther@suse.de>
4704 PR c++/23624
4705 * fold-const.c (fold_ternary): Check truth_value_p before
4706 calling invert_truthvalue.
4708 2005-09-09 Nick Clifton <nickc@redhat.com>
4710 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
4711 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
4712 dimension of these arrays.
4713 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
4714 these arrays.
4715 * longlong.h: Only provide a prototype for the __clz_tab[] array
4716 if this header has not been included from libgcc2.h.
4717 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
4718 defining own types.
4719 Provide prototypes for exported functions.
4720 Use the __clz_tab[] and __popcount_tab[] arrays provided by
4721 libgcc2.c.
4723 2005-09-08 Josh Conner <jconner@apple.com>
4725 PR c++/21135
4726 PR c++/23180
4727 * expr.c (expand_expr_addr_expr_1): Don't invoke
4728 expand_simple_binop for EXPAND_INITIALIZER.
4730 2005-09-08 Richard Henderson <rth@redhat.com>
4732 PR debug/23190
4733 * toplev.c (wrapup_global_declaration_1): Split out ...
4734 (wrapup_global_declaration_2): ... from ...
4735 (wrapup_global_declarations): ... here. Return bool.
4736 (check_global_declaration_1): Split out ...
4737 (check_global_declarations): from here.
4738 (emit_debug_global_declarations): New.
4739 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
4740 check_global_declaration_1, emit_debug_global_declarations): Declare.
4741 * c-decl.c (c_write_global_declarations_1): Don't create a vector
4742 of decls. Call wrapup_global_declaration_1,
4743 wrapup_global_declaration_2, check_global_declaration_1 directly.
4744 (c_write_global_declarations_2): New.
4745 (ext_block): New.
4746 (c_write_global_declarations): Call c_write_global_declarations_2.
4747 * langhooks.c (write_global_declarations): Call
4748 emit_debug_global_declarations.
4750 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
4751 remove decls that have DECL_RTL_SET_P.
4752 * passes.c (rest_of_decl_compilation): Invoke
4753 cgraph_varpool_finalize_decl for all but functions.
4755 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
4757 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
4758 the result of a conversion if the new min and max cannot be compared.
4760 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
4762 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
4763 (override_options): Setting s390_sr_alias_set removed.
4764 (save_fpr, save_gprs): Set alias set to vararg or frame.
4765 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
4766 s390_sr_alias_set with get_frame_alias_set ().
4767 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
4768 get_varargs_alias_set ().
4770 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4772 PR objc/20574
4773 PR objc/19324
4774 * c-parser.c (c_parser_objc_method_definition): If the next
4775 token is not "{", error out and don't start the function.
4777 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
4779 * tree-vrp.c (extract_range_from_expr): Move the check for non
4780 nullness after the check for gimple invariant.
4782 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4784 * tree.c (host_integerp, tree_low_cst): Correct function comment.
4786 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4788 PR target/23747
4789 * config/m32r.md (movmemsi_internal): Canonicalize order of
4790 operands in PLUS component of template.
4792 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
4794 * reload1.c (fixup_eh_region_note): Remove assertion.
4795 (fixup_abnormal_edges): Reverted removal of call to
4796 find_many_sub_basic_blocks made on 2005-08-31.
4798 2005-09-07 Richard Henderson <rth@redhat.com>
4800 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
4801 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
4802 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
4803 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
4804 rearrange for better packing.
4805 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
4806 (lookup_cfa_1): Remove inline marker.
4807 (cfa_equal_p): Split out of ...
4808 (def_cfa_1): ... here. Use INVALID_REGNUM.
4809 (build_cfa_loc): Handle !cfa->indirect.
4810 (frame_pointer_cfa_offset): New.
4811 (dbx_reg_number): Assert register elimination performed; do
4812 leaf register remapping.
4813 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
4814 (eliminate_reg_to_offset): New.
4815 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
4816 for verifiably local stack frame addresses; re-base to CFA.
4817 (mem_loc_descriptor): Remove can_use_fbreg argument.
4818 (concat_loc_descriptor, loc_descriptor): Likewise.
4819 (containing_function_has_frame_base): Remove.
4820 (rtl_for_decl_location): Don't do register elimination or
4821 leaf register remapping here.
4822 (secname_for_decl): Split out from ..
4823 (add_location_or_const_value_attribute): ... here.
4824 (convert_cfa_to_loc_list): New.
4825 (compute_frame_pointer_to_cfa_displacement): New.
4826 (gen_subprogram_die): Use them.
4827 * tree.h (frame_base_decl): Remove.
4828 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
4829 (prologue_stack_adjust): Remove.
4830 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
4831 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
4832 (set_frame_base_location): Remove.
4833 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
4834 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
4835 (vt_add_function_parameters): Don't eliminate_regs.
4836 (vt_initialize): Don't create frame_base_decl.
4838 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
4840 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
4841 version of GNU binutils for 4.x and later.
4843 2005-09-06 Mark Mitchell <mark@codesourcery.com>
4845 * ggc-page.c (ggc_push_context): Remove.
4846 (ggc_pop_context): Likewise.
4847 * ggc.h (ggc_push_context): Remove.
4848 (ggc_pop_context): Likewise.
4850 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4852 PR target/8973
4853 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
4854 returning from an interrupt handler.
4856 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4858 PR target/8972
4859 * config/arc/arc.c (output_shift): Add check for loop count when
4860 optimizing.
4862 2005-09-06 Steven Bosscher <stevenb@suse.de>
4864 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
4865 form manually.
4866 (abs_replacement): Likewise.
4867 (pass_phiopt): Remove TODO_update_ssa.
4869 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4871 PR c/23075
4872 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
4873 if "return with no value, in function returning non-void" warning
4874 has been issued.
4875 * tree-cfg.c (execute_warn_function_return): Don't look at
4876 RETURN_EXPRs with TREE_NO_WARNING set.
4878 PR target/22362
4879 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
4880 for internal functions doesn't use registers used by global registers
4881 variables. Use fewer register parameters if there are global register
4882 variables.
4884 2005-09-06 Olivier Hainque <hainque@adacore.com>
4885 Eric Botcazou <ebotcazou@adacore.com>
4887 PR middle-end/14997
4888 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
4889 when we would be extracting outside its bit span (bitpos+bitsize
4890 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
4891 Ada unchecked conversions.
4893 2005-09-06 Steven Bosscher <stevenb@suse.de>
4895 * tree-ssa-pre.c (try_look_through_load): New function.
4896 (compute_avail): Use it to try to look through loads for some
4897 more useful expressions.
4899 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
4901 * simplify-rtx.c (simplify_binary_operation_1): Correct the
4902 condition for detecting cases like (a&a) and (a^a).
4904 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
4906 * common.opt: Add option ftree-vect-loop-version.
4907 * params.def: Add --param vect-max-version-checks.
4908 * doc/invoke.texi: Document ftree-vect-loop-version and
4909 --param vect-max-version-checks.
4910 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
4911 may_misalign_stmts and defines for accessors.
4912 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
4913 LOOP_VINFO_MAY_MISALIGN_STMTS.
4914 (destroy_loop_vec_info): VEC_free for
4915 LOOP_VINFO_MAY_MISALIGN_STMTS.
4916 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
4917 Update documentation.
4918 (vect_update_misalignment_for_peel): New.
4919 (vect_enhance_data_refs_alignment): Update to choose loop
4920 peeling or loop versioning if appropriate for the (potentially)
4921 unaligned data references in the loop.
4922 (vect_analyze_data_refs_alignment): Remove call to
4923 vect_enhance_data_refs_alignment so the checks can be done
4924 earlier.
4925 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
4926 and move up call to vect_analyze_data_refs_alignment.
4927 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
4928 (vect_transform_loop): Add call to loop_version.
4930 2005-09-06 Jakub Jelinek <jakub@redhat.com>
4932 PR rtl-optimization/23098
4933 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
4934 * simplify-rtx.c (constant_pool_reference_p): New function.
4935 * rtl.h (constant_pool_reference_p): New prototype.
4936 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
4937 constant_pool_reference_p in condition and
4938 avoid_constant_pool_reference in preparation statements.
4940 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
4942 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
4943 STRICT_LOW_PART SETs.
4945 2005-09-06 Alan Modra <amodra@bigpond.net.au>
4947 PR middle-end/21460
4948 * except.c (sjlj_emit_function_enter): Find the function begin
4949 note even when it's not in first basic block.
4951 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
4953 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
4954 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
4955 * aclocal.m4: Regenerate.
4957 2005-09-05 DJ Delorie <dj@redhat.com>
4959 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
4960 of macro.
4962 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
4964 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
4965 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
4966 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
4967 Follow spelling conventions.
4968 * doc/invoke.texi: Follow spelling conventions.
4970 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4972 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
4973 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
4974 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
4976 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
4978 PR target/23683
4979 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
4980 (output_stack_adjust): Use gen_tmp_stack_mem.
4981 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
4982 (sh_set_return_address, sh_allocate_initial_value): Likewise.
4983 (sh_get_pr_initial_val): Likewise.
4984 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
4985 (sh_initialize_trampoline): Likewise. Also use adjust_address.
4986 * sh.md (divsi_inv_m0): Use gen_const_mem.
4987 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
4988 (movdf_i4+1): Use gen_tmp_stack_mem.
4989 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
4990 (fpu_switch+2): Likewise.
4991 (movv4sf_i, movv16sf_i): Use adjust_address.
4992 (symGOT_load): Set MEM_NOTRAP_P bit.
4994 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4996 PR target/23721
4997 * pa.c (emit_move_sequence): Fix typo in last change.
4999 2005-09-03 Jakub Jelinek <jakub@redhat.com>
5001 PR rtl-optimization/23454
5002 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
5003 is true.
5005 2005-09-03 Richard Henderson <rth@redhat.com>
5006 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5008 PR middle-end/23671
5009 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
5010 gen_rtx_MEM.
5012 2005-09-02 Nicolas Pitre <nico@cam.org>
5014 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
5015 to bit_count to 32 bits.
5017 2005-08-31 Mark Mitchell <mark@codesourcery.com>
5019 PR c++/23167
5020 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
5021 generating synthetic loads from volatile lvalues.
5023 005-09-02 Nick Clifton <nickc@redhat.com>
5025 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
5026 __ctzhi2, __clzhi2): New functions.
5028 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
5030 PR middle-end/23547
5031 * tree-nested.c (struct var_map_elt): Mark with GTY.
5032 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
5033 var_map_elt.
5034 (lookup_field_for_decl): Allocate new element in GC memory.
5035 (lookup_tramp_for_decl): Likewise.
5036 (convert_nl_goto_reference): Likewise
5037 (create_nesting_tree): Allocate info in GC memory. Likewise for
5038 info->var_map.
5039 (free_nesting_tree): Free with ggc_free instead of free.
5040 (root): New static variable.
5041 (lower_nested_functions): Remove root as local variable. And zero out
5042 root at the end of the function.
5044 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
5046 PR rtl-optimization/20365
5047 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
5048 to short. New member ix.
5049 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
5050 (simplify_plus_minus): Initialize ix members before calling qsort.
5052 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
5054 PR tree-optimization/23626
5055 * tree-cfg.c (replace_uses_by): Clean up eh info.
5057 2005-09-01 DJ Delorie <dj@redhat.com>
5059 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
5060 fprintf.
5062 2005-09-01 David Edelsohn <edelsohn@gnu.org>
5064 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
5065 (rs6000_split_multireg_move): Use replace_equiv_address instead of
5066 gen_rtx_MEM.
5068 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
5070 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
5071 do not issue warning for a variable definition following
5072 a declaration.
5074 2005-09-01 Richard Henderson <rth@redhat.com>
5076 PR 23668
5077 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
5078 conversion to CONST_VECTOR.
5080 2005-09-01 Richard Henderson <rth@redhat.com>
5082 PR 23676
5083 * reload1.c (reload_as_needed): Check !CALL_P before calling
5084 fixup_eh_region_note.
5085 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
5087 2005-09-01 DJ Delorie <dj@redhat.com>
5089 * varasm.c (output_constant): Let the target resolve
5090 conversions of addresses to non-default pointer sizes.
5092 2005-09-01 Nicolas Pitre <nico@cam.org>
5094 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
5095 to alow matching ARM pre-indexed addressing mode.
5096 (arm_override_options): Remove now irrelevant comment.
5098 2005-09-01 Phil Edwards <phil@codesourcery.com>
5100 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
5101 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
5102 * config/i386/vxworks.h: Likewise.
5103 * config/i386/t-vxworksae: New file, for VxWorks AE.
5104 * config/i386/vxworksae.h: Likewise.
5106 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
5108 PR tree-optimization/23410
5109 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
5110 sequence is not wrapping during the first step.
5112 2005-09-01 Jakub Jelinek <jakub@redhat.com>
5114 PR debug/7241
5115 * dwarf2out.c (base_type_die): Compare char_type_node with
5116 TYPE_MAIN_VARIANT (type), not type.
5118 2005-09-01 Richard Guenther <rguenther@suse.de>
5120 PR tree-optimization/15366
5121 * common.opt: Add -finline-functions-called-once.
5122 Put -fearly-inlining in alphabetically ordered place.
5123 * doc/invoke.texi: Document new option.
5124 * ipa-inline.c (cgraph_decide_inlining): Honour
5125 flag_inline_functions_called_once.
5127 2005-09-01 Jakub Jelinek <jakub@redhat.com>
5129 PR rtl-optimization/23478
5130 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
5131 (alloc_qty): Initialize it.
5132 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
5133 (combine_regs): Combine also n_throwing_calls_crossed fields.
5134 (find_free_reg): Don't attempt to caller-save pseudos crossing
5135 calls that might throw.
5136 * global.c (struct allocno): Add throwing_calls_crossed field.
5137 (global_alloc): Revert 2005-08-22 change. Initialize
5138 throwing_calls_crossed.
5139 (find_reg): Don't attempt to caller-save pseudos crossing calls that
5140 might throw.
5142 2005-09-01 Alan Modra <amodra@bigpond.net.au>
5144 PR target/23649
5145 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
5146 (mask64_operand): Reinstate code prior to 2005-06-11 change.
5147 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
5148 (and64_2_operand): Tweak to use predicate.
5149 (and_operand): Adjust for mask_operand changes.
5150 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
5151 (print_operand): Likewise.
5152 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
5153 (mask64_1or2_operand): Delete.
5154 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
5155 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
5156 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
5157 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
5158 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
5159 (rotldi3_internal4): Likewise.
5160 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
5161 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
5162 (ashldi3_internal7): Likewise.
5163 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
5164 (ashldi3_internal, ashldi3_internal9 split): Likewise.
5165 (anddi3 split): Don't match mask64_operand.
5166 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
5167 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
5168 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
5169 't' splitter predicate.
5170 (movdi_internal64 + 2): Revert 2005-06-11 change.
5172 2005-08-31 DJ Delorie <dj@redhat.com>
5174 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
5175 (m32c_asm_integer): Add support for 32 bit pointers.
5177 2005-08-31 Richard Henderson <rth@redhat.com>
5179 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
5180 component-like references for setting MEM_NOTRAP_P.
5182 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
5183 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
5185 2005-08-31 Richard Henderson <rth@redhat.com>
5187 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
5188 into a pseudo before applying gen_lowpart.
5190 2005-08-31 Geoffrey Keating <geoffk@apple.com>
5192 * doc/install.texi (Specific): Update cctools version required
5193 for full functionality.
5194 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
5195 linkers as -macosx_version_min.
5197 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
5199 PR target/21255
5200 * sh.c (print_operand, %R and %S): Add handling of floating point
5201 registers, memory, constants and invalid operands.
5203 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
5205 * ipa-pure-const.c: Change dump name.
5207 2005-08-31 Uros Bizjak <uros@kss-loka.si>
5209 PR target/23570
5210 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
5211 to "reg_or_0_operand".
5212 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
5214 2005-08-31 Dale Johannesen <dalej@apple.com>
5216 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
5217 loops that count down.
5219 2005-08-31 Richard Henderson <rth@redhat.com>
5221 PR rtl-opt/23601
5222 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
5223 (fixup_eh_region_note): New.
5224 (reload_as_needed): Call it.
5225 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
5226 don't call find_many_sub_basic_blocks; call verify_flow_info.
5227 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
5228 (keep_stack_depressed): Likewise.
5229 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
5231 2005-08-31 Richard Henderson <rth@redhat.com>
5233 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
5234 fp return matching.
5236 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
5238 * expr.c (expand_expr_real_1): Compare size of address
5239 mode to target's address mode size in deciding expansion of
5240 the constant address.
5242 2005-08-31 Richard Guenther <rguenther@suse.de>
5244 PR middle-end/23477
5245 * expr.c (all_zeros_p): New function.
5246 (expand_expr_real_1): Handle the case of an all-zero
5247 non-addressable constructor separately.
5249 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
5251 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
5252 arguments, adjust all callers.
5253 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
5255 2005-08-30 Richard Henderson <rth@redhat.com>
5257 PR target/23630
5258 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
5259 whenever the mode sizes match.
5261 2005-08-31 Alan Modra <amodra@bigpond.net.au>
5263 * calls.c (load_register_parameters): Fix comment typo.
5264 * expr.c (emit_push_insn): Comment formatting.
5266 2005-08-30 Ian Lance Taylor <ian@airs.com>
5268 * config/i386/x-cygwin (host-cygwin): Change dependency from
5269 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
5271 2005-08-29 Geoffrey Keating <geoffk@apple.com>
5273 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
5274 parts of 'vals'.
5276 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5278 PR middle-end/23408
5279 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
5280 call to ggc_collect.
5282 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
5284 PR bootstrap/21268
5285 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
5286 beginning. Remove $(INCLUDES) from all the rules, if following
5287 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
5289 2005-08-29 Jakub Jelinek <jakub@redhat.com>
5291 PR middle-end/23484
5292 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
5293 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
5294 not constant, but maxlen is, don't set len to maxlen, rather
5295 set maxlen to len if len is a constant.
5297 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
5299 PR tree-optimization/23475
5300 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
5301 and counts.
5303 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
5305 Fix PR middle-end/22455
5307 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
5308 Checksum only the parts of the tree that exist for the tree code.
5310 2005-08-28 Dale Johannesen <dalej@apple.com>
5312 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
5314 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
5316 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
5318 2005-08-28 Richard Henderson <rth@redhat.com>
5320 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
5321 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
5322 of char_type_node.
5324 2005-08-28 Jakub Jelinek <jakub@redhat.com>
5326 PR ada/23593
5327 * builtins.c (get_memory_rtx): Don't strip nops
5328 in between COMPONENT_REFs.
5330 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
5332 PR middle-end/23463
5333 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
5334 types.
5335 (gimplify_modify_expr): Check for zero sized types and gimplify the
5336 rhs and lhs as statements.
5338 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
5340 PR libgcj/23508
5341 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
5342 state for return address column of signal frames.
5344 2005-08-27 David Edelsohn <edelsohn@gnu.org>
5346 PR target/23539
5347 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
5348 bytes >= 2 not bytes == 2.
5349 (expand_block_move): Same.
5351 2005-08-27 Richard Guenther <rguenther@suse.de>
5353 PR target/23575
5354 * config/i386/sse.md (sse2_movsd): Add missing closing
5355 braces.
5357 2005-08-27 Paul Brook <paul@codesourcery.com>
5359 * genrecog.c (enum decision_type): Add DT_num_insns.
5360 (struct decision_test): Add u.num_insns.
5361 (add_to_sequence): Add DT_num_insns test.
5362 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
5363 (write_cond, debug_decision_2): Ditto.
5364 (change_state): Assume peep2_next_insn never fails.
5365 Remove "afterward" argument.
5366 (write afterward, write_tree): Update to match.
5367 * recog.c (peep2_current_count): New variable.
5368 (peep2_next_insn): Check it.
5369 (peephole2_optimize): Set peep2_current_count.
5370 * recog.h (peep2_current_count): Declare.
5372 2005-08-26 Josh Conner <jconner@apple.com>
5374 PR middle-end/23584
5375 * ipa-pure-const.c (check_tree): Check for volatile-ness
5376 when considering a dereference.
5378 2005-08-27 Jakub Jelinek <jakub@redhat.com>
5380 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
5382 2005-08-26 Jakub Jelinek <jakub@redhat.com>
5384 PR rtl-optimization/23561
5385 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
5386 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
5387 at most LEN bytes long memory fits into the field.
5388 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
5389 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
5390 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
5392 2005-08-26 Richard Henderson <rth@redhat.com>
5394 PR rtl-opt/23560
5395 * loop.c (biased_biv_may_wrap_p): New.
5396 (maybe_eliminate_biv_1): Use it to suppress non-equality
5397 comparison transformations. Delete disabled code.
5399 2005-08-26 Ian Lance Taylor <ian@airs.com>
5401 * combine.c (make_extraction): Avoid reference outside object.
5403 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
5405 * stor-layout.c (finalize_type_size): Restore behaviour for
5406 non-aggregate types to the status quo ante of the patch for
5407 pr 23467. Document why it matters.
5409 2005-08-26 Jakub Jelinek <jakub@redhat.com>
5411 PR c/23506
5412 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
5413 array by one element, initialize the BT_LAST element with NULL.
5415 2005-08-26 David Edelsohn <edelsohn@gnu.org>
5417 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
5418 optimizing for size.
5419 (plus_eqsi): Same.
5420 (compare_plus_eqsi): Same.
5421 (plus_eqsi_compare): Same.
5422 (neg_eq0<mode>): Same.
5423 (neg_eq<mode>): Same.
5425 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
5426 PROCESSOR_POWER4.
5428 2005-08-26 Nick Clifton <nickc@redhat.com>
5430 * config/v850/v850.c (ep_memory_operand): Return FALSE if
5431 TARGET_EP is not defined.
5432 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
5433 TARGET_EP is enabled.
5434 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
5435 * config/v850/v850.md (save_all_interrupt): Only use the EP
5436 register if TARGET_EP is defined.
5437 (restore_all_interrupt): Likewise.
5438 * config/v850/lib1funcs.asm: Update functions so that the EP
5439 register is only used if __EP__ is defined.
5441 2005-08-26 David Ung <davidu@mips.com>
5443 * config/mips/mips.c (mips_expand_prologue): Handle case when
5444 generating for MIPS16 and the outgoing argument area is more than
5445 SMALL_OPERAND. Use the frame pointer as temporary to generate the
5446 add instruction.
5448 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
5450 * config/crx/crx.md: Make doloop_end pattern usage controllable
5451 via mloop-nesting=<max-nesting> command line switch. Make sure
5452 the combiner cannot use doloop_end_<mode> in an illegal way.
5453 * config/crx/crx.c: Use regs up to r6 for argument passing.
5454 Refine crx_address_cost (non cst4 displacements are expensive).
5455 * config/crx/crx.opt: Add switch for mloop-nesting=.
5457 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
5459 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
5460 (UNSPEC_MVST): New constant.
5462 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
5464 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
5465 Reject operands containing eliminable registers.
5466 * testsuite/gcc.dg/20050825-1.c: New testcase.
5468 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5469 Jan Hubicka <jh@suse.cz>
5471 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
5473 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5475 PR tree-optimization/23546
5476 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
5477 and REAL_CST nodes.
5479 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
5481 * params.def (PARAM_MIN_SPEC_PROB): New.
5482 * sched-rgn.c (MIN_PROBABILITY): Delete.
5483 (compute_trg_info): Convert to PARAM_VALUE.
5484 * doc/invoke.texi (param): Document min-spec-prob.
5486 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
5488 * config/darwin.h: define __PIC__
5489 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
5490 TARGET_OS_CPP_BUILTINS macro.
5492 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5494 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
5495 yesterday.
5497 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
5499 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
5500 to duplicate_block.
5501 * cfghooks.c (duplicate_block): Added position where to place
5502 new block as argument.
5503 * cfghooks.h (duplicate_block): Declaration changed.
5504 * cfglayout.c (copy_bbs): Add argument after. Pass it to
5505 duplicate_block.
5506 * cfglayout.h (copy_bbs): Declaration changed.
5507 * cfgloop.h (loop_version): Declaration changed.
5508 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
5509 position to copy_bbs.
5510 (loop_version): Pass position to duplicate_loop_to_header_edge.
5511 Add place_after argument and position new blocks according to
5512 it.
5513 * modulo-sched.c (sms_schedule): Pass place_after argument
5514 to loop_version.
5515 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
5516 * tree-cfg.c (split_edge_bb_loc): New function.
5517 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
5518 to determine position of new blocks.
5519 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
5520 to loop_version.
5521 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
5522 argument to duplicate_block.
5523 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
5524 Pass position to copy_bbs.
5526 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
5528 * fold-const.c (ptr_difference_const): Use
5529 cst_and_fits_in_hwi instead of host_integerp.
5531 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
5533 * config/darwin.c (gen_pic_offset): New.
5534 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
5535 Use it.
5537 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
5539 PR tree-optimization/23486
5540 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
5542 2005-08-23 Phil Edwards <phil@codesourcery.com>
5544 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
5545 remove use_collect2.
5546 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
5548 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
5549 configuration files to override the default value.
5551 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
5552 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
5553 * config/vx-common.h: New file, split out from...
5554 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
5555 * config/vxworksae.h: New file, for VxWorks AE.
5556 * config/vxworks.opt: New file.
5557 * config/vxlib.c: Update for VxWorks 6.
5559 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
5560 other MULTILIB_* variables appropriately.
5561 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
5562 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
5563 * config/rs6000/vxworks.h: Update for VxWorks 6.
5564 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
5566 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
5568 PR target/20799
5569 * config/darwin.c (machopic_select_section): Remove the hack to
5570 mark "::operator new" and "::operator delete" for coalescing
5571 even though they are not weak.
5573 2005-08-24 Alan Modra <amodra@bigpond.net.au>
5575 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
5576 * configure: Regenerate.
5578 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
5580 PR middle-end/23517
5581 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
5582 between vectors.
5583 * convert.c (convert_to_integer, convert_to_vector): Likewise.
5584 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
5585 Likewise.
5587 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
5589 * config/rs6000/predicates.md (equality_operator): New.
5590 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
5591 comparison with a large constant.
5593 2005-08-23 Mark Mitchell <mark@codesourcery.com>
5595 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
5597 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
5599 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
5600 registers is even, and we have a hardware double precision fp,
5601 align the buffer.
5602 (sh_gimplify_va_arg_expr): For floating point arguments, consider
5603 size of current argument when checking if argument was passed in
5604 registers.
5606 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
5608 PR middle-end/23467
5609 * stor-layout.c (finalize_type_size): Dont override
5610 existing alignment with a smaller alignment from the mode.
5612 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
5614 * lambda-code.c (lambda_vector_lexico_pos): Moved...
5615 * lambda.h (lambda_vector_lexico_pos): ... here.
5616 * tree-data-ref.c (build_classic_dist_vector): Return false when
5617 the distance vector is lexicographically negative.
5619 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
5621 PR tree-optimization/23511
5622 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
5623 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
5625 2005-08-23 Jakub Jelinek <jakub@redhat.com>
5627 PR tree-optimization/22043
5628 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
5629 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
5630 If ALLOW_FLEXARR, handle types ending with flexible array member.
5631 Pass false as second argument to recursive count_type_elements calls.
5632 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
5633 argument to count_type_elements call.
5634 * tree-sra.c (decide_block_copy): Likewise.
5635 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
5636 for a constant-sized object, set cleared as well. Pass true as
5637 second argument to count_type_elements call.
5639 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5641 PR target/21571
5642 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
5643 from legitimate_small_data_p, and make global. Update use.
5644 Remove forward declaration.
5645 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
5646 Declare.
5647 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
5649 2005-08-23 David Edelsohn <edelsohn@gnu.org>
5651 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
5652 of scratch intermediates.
5653 (eq<mode>_compare): Same.
5654 (neg_eq0<mode>): New.
5655 (neg_eq<mode>): Convert to define_insn_and_split.
5657 2005-08-23 Alan Modra <amodra@bigpond.net.au>
5659 PR target/23070
5660 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
5661 stdarg functions, set/clear the fp marker even when no variable
5662 args are passed.
5663 * config/rs6000/sysv4.opt (mprototype): Describe.
5665 2005-08-22 Jakub Jelinek <jakub@redhat.com>
5667 PR rtl-optimization/23478
5668 * regs.h (reg_info): Add throw_calls_crossed.
5669 (REG_N_THROWING_CALLS_CROSSED): Define.
5670 * flow.c (allocate_reg_life_data): Initialize
5671 REG_N_THROWING_CALLS_CROSSED.
5672 (propagate_one_insn, attempt_auto_inc): Update
5673 REG_N_THROWING_CALLS_CROSSED.
5674 * global.c (global_alloc): Don't allocate pseudos across
5675 calls that may throw.
5677 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
5679 PR c/18715
5680 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
5681 value is inbetween the range if we did not find an exact match.
5683 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
5685 * doc/invoke.texi (Option Summary): Add ms1 options.
5686 * doc/extend.texi: Document interrupt handler attribute for ms1.
5687 * doc/md.texi: Document ms1 constraints.
5688 * config.gcc: Add ms1-*-elf.
5689 * config/ms1/ms1.h: New.
5690 * config/ms1/ms1.c: New.
5691 * config/ms1/ms1.md: New.
5692 * config/ms1/ms1-protos.h: New.
5693 * config/ms1/ABI.txt: New.
5694 * config/ms1/crti.asm: New.
5695 * config/ms1/crtn.asm: New.
5696 * config/ms1/lib2extra-funcs.c: New.
5697 * config/ms1/t-ms1: New.
5698 * config/ms1/ms1.opt: New.
5700 2005-08-22 Ira Rosen <irar@il.ibm.com>
5702 * config/rs6000/altivec.md (xorv4sf3): New.
5703 (negv4sf2, neg<mode>2): Likewise.
5705 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
5707 PR target/23485
5708 * config/ia64/ia64.md (divsi3): Check divide by zero.
5709 (udivsi3): Likewise.
5710 (divdi3): Likewise.
5711 (udivdi3): Likewise.
5713 2005-08-21 Jakub Jelinek <jakub@redhat.com>
5715 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
5716 up to elem_bitsize bits, not max_bitsize.
5718 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5720 PR tree-optimization/23433
5721 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
5722 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
5724 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
5726 PR tree-optimization/23434
5727 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
5728 the iteration bound is not an INTEGER_CST.
5730 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
5732 * tree-vect-transform.c (get_initial_def_for_reduction): Set
5733 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
5734 NULL if need_epilog_adjust is false.
5735 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
5736 Case 3 always peels first itration, not just for PLUS case, and no need
5737 to use scalar_initial_def here. Create an epilog adjustment only if
5738 scalar_initial_def is not NULL.
5740 (vectorizable_reduction): Remove assert.
5742 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
5744 PR target/23485
5745 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
5746 (__moddi3): Likewise.
5747 (__udivdi3): Likewise.
5748 (__umoddi3): Likewise.
5749 (__divsi3): Likewise.
5750 (__modsi3): Likewise.
5751 (__udivsi3): Likewise.
5752 (__umodsi3): Likewise.
5754 2005-08-20 Jakub Jelinek <jakub@redhat.com>
5756 * tree-pass.h (TDF_GRAPH): Define.
5757 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
5758 * passes.c (finish_optimization_passes): Only call
5759 finish_graph_dump_file if TDF_GRAPH is set.
5760 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
5761 NULL. Set TDF_GRAPH bit.
5762 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
5764 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
5766 * arm.h (arm_stack_offsets): Add locals_base field.
5767 * arm.c (arm_get_frame_offsets): Compute it.
5768 (thumb_compute_initial_elimination offset): Make the Thumb frame
5769 pointer point to the base of the local variables.
5770 (thumb_expand_prologue): Update accordingly.
5771 (thumb_expand_epilogue): Likewise.
5773 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
5774 mode of clobbered scratch to DImode. Handle a case that's known to
5775 need this.
5777 2005-08-19 David Edelsohn <edelsohn@gnu.org>
5779 * config/rs6000/rs6000.md (gt0<mode>): Delete.
5780 (gt0<mode>_compare): Delete.
5781 (neg_gt0<mode>): Delete.
5783 2005-08-19 Eric Christopher <echristo@apple.com>
5785 * optabs.h: Change CTI_ to COI_.
5786 * optabs.c: Ditto.
5788 2005-08-19 James E Wilson <wilson@specifix.com>
5790 * builtins.c (expand_builtin_return_addr): Set
5791 current_function_accesses_prior_frames when count != 0. Use
5792 frame_pointer_rtx when count == 0.
5793 * function.h (struct function): Add accesses_prior_frames field.
5794 (current_function_accesses_prior_frames): Define.
5795 * reload1.c (init_elim_table): Check
5796 current_function_accesses_prior_frames.
5797 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
5799 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5801 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
5802 indicator. Return true if the flowgraph changed during
5803 cleanup.
5805 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5807 PR 23476
5808 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
5809 conditional expression before testing its value.
5811 2005-08-19 Diego Novillo <dnovillo@redhat.com>
5813 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
5815 2005-08-19 Devang Patel <dpatel@apple.com>
5817 PR tree-optimization/23048
5818 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
5819 third parameter. Check whether latch is dominated by exit
5820 block or not.
5821 (if_convertible_loop_p): Supply exit block itself to
5822 if_convertible_bb_p.
5824 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5826 PR target/23473
5827 * arm.md (arm_load_pic_register): Change argument to the mask of
5828 saved registers. Call thumb_find_work_register if we need a
5829 scratch register on Thumb.
5830 (arm_expand_prologue): Pass empty register set to
5831 arm_load_pic_register.
5832 (thumb_expand_prologue): Pass live_regs_mask directly to
5833 arm_load_pic_register.
5834 * arm-protos.h (arm_load_pic_register): Update prototype.
5836 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
5838 * sh.c (find_sole_member): New function.
5839 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
5840 if the record's alignment is larger than the size of its only member.
5842 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
5844 PR target/23436
5845 * arm.c (thumb_legitimize_reload_address): New function.
5846 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
5847 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
5849 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
5851 * config/crx/crx.c: Implement crx_decompose_address. Reject
5852 symbolic displacements since CRX register relative adressing
5853 mode can't handle unsigned 32-bit values as displacements.
5854 * config/crx/crx.h: Simplify definitions, remove redundant
5855 parenthesis and obsolete macros.
5856 * config/crx/crx.opt: Add new switch for debugging addresses.
5857 * config/crx/crx-protos.h: Add new declarations for above.
5859 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
5861 PR middle-end/20624
5862 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
5863 looking past it.
5865 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5867 * collect2.c (dup2): Delete.
5868 * configure.ac: Don't check for dup2.
5870 * config.in, configure: Regenerate.
5872 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
5874 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
5875 record with the type of its only member.
5877 2005-08-18 David Edelsohn <edelsohn@gnu.org>
5879 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
5880 define_insn_and_split.
5881 (plus_ltu<mode>_compare): Same.
5882 (gtu<mode>_compare): Same.
5883 (plus_gtu<mode>_compare): Same.
5885 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
5887 PR tree-optimization/22228
5888 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
5889 todo_flags_start.
5890 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
5891 are recorded in vect_vnames_to_rename for renaming.
5892 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
5893 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
5894 in vect_vnames_to_rename.
5895 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
5896 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
5898 2005-08-18 Jan Hubicka <jh@suse.cz>
5900 PR c++/22034
5901 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
5902 info only for local statics, not for member variables.
5904 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5906 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
5908 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5910 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
5912 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
5914 PR middle-end/16045
5915 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
5917 2005-08-17 James E Wilson <wilson@specifix.com>
5919 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
5920 array size check.
5922 2005-08-17 David Edelsohn <edelsohn@gnu.org>
5924 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
5925 (leu<mode>_compare): Same.
5926 (plus_leu<mode>): Same.
5927 (neg_leu<mode>): Same.
5928 (and_neg_leu<mode): Same.
5929 (ltu<mode>_compare): Same.
5930 (plus_ltu<mode>): Same.
5931 (geu<mode>): Same.
5932 (geu<mode>_compare): Same.
5933 (plus_geu<mode>): Same.
5934 (neg_geu<mode>): Same.
5935 (and_neg_geu<mode>): Same.
5936 (plus_gt<mode>): Same.
5937 (gtu<mode>_compare): Same.
5938 (plus_gtu<mode>): Same.
5940 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
5942 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
5943 Move call_table_data to end. Delete spurious .text.
5944 (callt_save_all_interrupt): Fix comment typo.
5946 2005-08-17 James E Wilson <wilson@specifix.com>
5947 Kevin Winchester <winchester@amirix.com>
5949 PR target/21684
5950 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
5952 2005-08-17 Uros Bizjak <uros@kss-loka.si>
5954 PR target/23268
5955 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
5956 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
5958 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
5960 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
5961 record with the type of its only member if the modes don't match.
5963 * varasm.c (decode_reg_name): Skip empty additional register names.
5965 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5967 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
5968 lsm_tmp_name_length): New.
5969 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
5970 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
5972 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5973 Andreas Krebbel <krebbel1@de.ibm.com>
5975 * config.gcc: Added z9-109 switch.
5976 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
5977 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
5978 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
5979 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
5980 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
5981 for "z9_109" cpu attribute.
5982 * config/s390/s390.c (z9_109_cost): New processor cost structure.
5983 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
5984 (s390_handle_arch_option): Added z9-109 switch.
5985 (override_options): Set respective cost function for z9-109.
5986 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
5987 (legitimate_reload_constant_p): Accept extended immediates.
5988 (print_operand): Three new output modifiers added: k, m and o.
5989 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
5990 (s390_output_mi_thunk): Use extended immediate when possible.
5991 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
5992 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
5993 (CONSTRAINT_LEN): Added length of O constraint.
5994 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
5995 * config/s390/s390.md ("cpu"): New value z9_109 added.
5996 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
5997 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
5998 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
5999 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
6000 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
6001 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
6002 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
6003 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
6004 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
6005 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
6006 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
6007 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
6008 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
6009 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
6010 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
6011 immediates.
6012 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
6013 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
6014 insns for TARGET_EXTIMM.
6016 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
6018 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
6020 2005-08-17 Nick Clifton <nickc@redhat.com>
6022 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
6023 Call default_encode_section_info.
6025 2005-08-17 Steven Bosscher <stevenb@suse.de>
6027 PR tree-optimization/21574
6028 * tree-ssa-ccp.c (likely_value): If the right hand side is a
6029 constant, return CONSTANT.
6030 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
6031 (ccp_fold, visit_assignment): Likewise.
6032 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
6034 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
6036 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
6037 fold_buildN instead of buildN then fold_initializer or fold.
6038 (build_unary_op): Likewise.
6039 (build_binary_op): Likewise.
6040 * fold-const.c (fold_initializer): Remove.
6041 (fold_build1_initializer): New function.
6042 (fold_build2_initializer): New function.
6043 (fold_build3_initializer): New function.
6044 * tree.h (fold_initializer): Remove.
6045 (fold_build1_initializer): New function.
6046 (fold_build2_initializer): New function.
6047 (fold_build3_initializer): New function.
6049 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
6051 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
6052 (try_move_mult_to_index): Call fold_build2 instead of build2.
6053 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
6054 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
6055 fold_binary_to_constant.
6056 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
6057 fold (build.
6058 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
6059 check if A == gcd (A, B). Remove TYPE argument.
6060 (analyze_offset) Use fold_build2 instead of fold (build.
6061 (create_data_ref): Likewise.
6062 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
6063 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
6064 then fold.
6066 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
6068 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
6069 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
6071 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
6073 PR tree-opt/23402
6074 * gimplify.c (zero_sized_type): New function.
6075 (gimplify_modify_expr_rhs): If we have a zero sized type,
6076 replace the statement with an empty statement.
6078 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
6080 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
6081 fxsave.
6083 2005-08-16 Ian Lance Taylor <ian@airs.com>
6085 * doc/tm.texi (Label Output): Correct typo.
6087 2005-08-16 Steven Bosscher <stevenb@suse.de>
6089 PR target/23376
6090 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
6091 force_operand will work later on using have_insn_for.
6093 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6095 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
6097 2005-08-16 Ian Lance Taylor <ian@airs.com>
6099 PR c++/23337
6100 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
6101 vector type, don't try to construct it element by element. Add an
6102 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
6104 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6106 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
6108 2005-08-16 Geoffrey Keating <geoffk@apple.com>
6110 * doc/invoke.texi (Precompiled Headers): Document some more options
6111 which are known to be safe.
6113 2005-08-16 James E Wilson <wilson@specifix.com>
6115 PR tree-optimization/21105
6116 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
6117 TREE_OVERFLOW check.
6119 2005-08-16 David Edelsohn <edelsohn@gnu.org>
6121 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
6122 (neg_ltu<mode>): Same.
6123 (gtu<mode>): Same.
6124 (neg_gtu<mode>): Same.
6126 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6128 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
6129 (fold_builtin_isdigit): Use fold_buildN.
6130 (build_function_call_expr): Likewise.
6131 * c-typeck.c (c_finish_loop): Likewise.
6133 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
6134 Richard Shann <rshann@superh.com>
6136 PR middle-end/20396:
6137 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
6139 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
6141 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
6143 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
6145 PR target/23355
6146 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
6147 arm_compure_save_reg0_reg12_mask to determine when the PIC register
6148 must be saved.
6150 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6152 PR middle-end/23369
6153 * fold-const.c (build_range_check): Disable optimization for function
6154 pointer expressions on targets that require function pointer
6155 canonicalization.
6157 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
6159 * simplify-rtx.c (simplify_const_relational_operation): When
6160 extracting arguments of a COMPARE, recompute the mode as well.
6162 2005-08-15 Ian Lance Taylor <ian@airs.com>
6164 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
6166 2005-08-15 DJ Delorie <dj@redhat.com>
6168 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
6169 the stack.
6170 (movsi_splittable): Allow, but split, moves to the stack.
6171 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
6172 stack.
6174 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6176 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
6177 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
6178 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
6180 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
6181 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
6182 Delete HOST_PTR_PRINTF.
6184 * configure, config.in: Regenerate.
6186 2005-08-15 David Edelsohn <edelsohn@gnu.org>
6188 * config/rs6000/rs6000.md (QHSI): New mode macro.
6189 (wd): Extend mode attr for QImode and HImode
6190 (dbits): New mode attr.
6191 (zero_extend<mode>di2): Convert to mode macro.
6193 2005-08-15 Steve Ellcey <sje@cup.hp.com>
6195 PR target/21841
6196 * doc/invoke.texi (-mgnu-ld): Update description.
6197 (-mhp-ld): Ditto.
6199 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
6201 PR 23391
6202 * Makefile.in (tree-chrec.o): Depends on real.h.
6203 * tree-chrec.c: Include real.h.
6204 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
6205 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
6206 * tree-scalar-evolution.c (add_to_evolution_1,
6207 interpret_rhs_modify_expr): Ditto.
6209 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
6211 PR 23386
6212 * tree-data-ref.c (estimate_niter_from_size_of_data): When
6213 step is negative compute the estimation from init downwards to zero.
6215 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
6217 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
6219 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
6221 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
6222 constraint.
6223 (legitimate_reload_constant_p): Fix handling of lliXX operands.
6224 Accept double-word constants that can be split.
6225 * config/s390/s390.md ("movti"): Use 'P' constraint.
6226 ("*movdi_31", "*movdf_31"): Likewise.
6228 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
6230 Fix PR tree-optimization/22615
6232 * tree-ssa-structalias.c (solution_set_add): Handle
6233 first_vi_for_offset returning NULL.
6234 (do_da_constraint): Ditto.
6235 (do_sd_constraint): Ditto.
6236 (do_ds_constraint): Ditto
6237 (find_func_aliases): Ditto.
6238 (build_constraint_graph): RHS is allowed be ANYTHING.
6239 (first_vi_for_offset): Return NULL if we couldn't find anything at
6240 the offset.
6242 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
6244 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
6245 over memory as first operand.
6247 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
6249 PR target/23360
6250 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
6251 available for setting it.
6253 2005-08-14 Ira Rosen <irar@il.ibm.com>
6255 PR tree-optimization/23320
6256 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
6257 data-refs' types instead of base object nullness. Add check for
6258 pointer type data-refs before first location comparison. Remove
6259 assert.
6261 2005-08-14 Andreas Schwab <schwab@suse.de>
6263 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
6265 2005-08-13 James E Wilson <wilson@specifix.com>
6267 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
6268 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
6269 -fstack-protector-all, --param ssp-buffer-size): Document.
6270 (-Wvariadic-macros): Alphabetize.
6271 (-fsched-stalled-insns-dep): Add missing 'f'.
6273 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
6274 macros.
6276 2005-08-13 David Edelsohn <edelsohn@gnu.org>
6278 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
6279 or indirect address operand.
6280 (EXTRA_ADDRESS_CONSTRAINT): New.
6281 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
6283 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
6285 PR tree-optimization/22236
6286 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
6287 successors and predecessors.
6288 * tree-chrec.c (chrec_convert): Before converting, check that
6289 sequences don't wrap.
6290 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
6291 (analyze_array): Extern.
6292 (find_data_references_in_loop): Remove call to
6293 compute_estimated_nb_iterations.
6294 * tree-data-ref.h (analyze_array): Declared.
6295 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
6296 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
6297 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
6298 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
6299 condition.
6300 * tree-ssa-loop-ivcanon.c: Fix documentation.
6301 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
6302 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
6303 (infer_loop_bounds_from_undefined): New.
6304 (estimate_numbers_of_iterations_loop): Use
6305 infer_loop_bounds_from_undefined.
6306 (used_in_pointer_arithmetic_p): New.
6307 (scev_probably_wraps_p): Pass an extra parameter. Call
6308 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
6309 (convert_step): Fix documentation.
6310 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
6311 Use initial_condition_in_loop_num and evolution_part_in_loop_num
6312 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
6313 scev_probably_wraps_p.
6315 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
6317 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
6318 (s390_register_info): Ignore clobbered_regs information for fixed
6319 registers, and only fixed registers.
6320 (s390_init_frame_layout): Remove redundant call.
6322 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
6324 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
6325 description of -Wold-style-casts.
6327 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6328 Jakub Jelinek <jakub@redhat.com>
6330 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6331 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
6332 * config/s390/s390.c (print_operand): New output modifier 'G' added.
6333 (get_thread_pointer): Renamed to s390_get_thread_pointer.
6334 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
6335 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
6336 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
6337 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6338 ("stack_protect_set", "stack_protect_test"): New expanders.
6339 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
6340 "stack_protect_testdi"): New insn definitions.
6342 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6344 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
6346 2005-08-12 Paul Brook <paul@codesourcery.com>
6348 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
6350 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6352 * config/s390/predicates.md (setmem_operand): New predicate.
6353 (shift_count_operand): Accept ANDs with special constants as
6354 operand.
6355 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
6356 with special constants.
6357 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
6358 shift_count_operand with setmem_operand.
6360 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6362 * config/s390/s390.c (s390_extract_part, s390_single_part):
6363 Type cast added.
6364 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
6365 (s390_output_mi_thunk): Don't use lg on 31 bit.
6366 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
6367 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
6369 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6371 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
6372 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
6373 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
6374 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
6375 with one of the new macros.
6377 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
6379 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
6380 Don't set save_return_addr_p.
6381 (s390_register_info): Make clobbered_regs not depending on
6382 save_return_addr_p.
6384 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
6386 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
6387 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
6389 2005-08-11 James E. Wilson <wilson@specifix.com>
6391 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
6393 2005-08-11 Jakub Jelinek <jakub@redhat.com>
6395 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
6396 locations gathered by var-tracking in single entry loc_list
6397 over loc_descriptor_from_tree.
6399 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
6400 pass it down to loc_descriptor.
6401 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
6402 (containing_function_has_frame_base): Move earlier in the file.
6403 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
6404 instead of always assuming fbreg can't be used.
6406 2005-08-11 David Edelsohn <edelsohn@gnu.org>
6408 * config/rs6000/altivec.md: Change constraint "m" to "Z".
6409 * config/rs6000/predicates.md (indexed_or_indirect_operand):
6410 Accept address wrapped in AND for Altivec.
6411 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
6412 Strip AND wrapping offset address for Altivec.
6414 2005-08-11 Richard Henderson <rth@redhat.com>
6416 PR middle-end/23312
6417 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
6418 before using TYPE_IS_SIZETYPE.
6420 2005-08-11 Richard Henderson <rth@redhat.com>
6422 PR target/22225
6423 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
6424 insn types not present on ev4.
6425 (alphaev5_insn_pipe): Similarly.
6427 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
6429 PR target/23250
6430 * arm.c (arm_override_options): If the user has selected callee-super-
6431 interworking, then enable normal interworking.
6433 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6435 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
6436 redefinition.
6438 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
6440 * doc/rtl.texi: Fix two typos.
6442 2005-08-11 Richard Guenther <rguenther@suse.de>
6444 PR target/23289
6445 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
6446 cases where we call to/from functions returning void.
6448 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
6450 PR c++/23225
6451 * tree.c (build_pointer_type_for_mode): Robustify.
6453 2005-08-10 James E Wilson <wilson@specifix.com>
6455 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
6456 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
6458 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
6459 "cum->".
6461 2005-08-10 Eric Christopher <echristo@apple.com>
6463 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
6464 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
6465 V2DFmode.
6467 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
6469 PR target/21887
6470 * config/darwin.c (machopic_indirect_data_reference): Use a new register
6471 for the high part when generating dynamic-no-pic code.
6473 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
6475 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
6476 (x86_64-*-linux*): Likewise.
6478 * config/i386/crtfastmath.c: New file.
6479 * config/i386/t-crtfm: Likewise.
6481 * config/i386/linux.h (ENDFILE_SPEC): New.
6482 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
6484 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
6485 crtfastmath.o.
6487 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
6489 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
6490 (vec_shl, vec_shr): Document new operations.
6491 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
6493 2005-08-10 David Edelsohn <edelsohn@gnu.org>
6495 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
6496 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
6497 change predicate to indexed_or_indirect_address.
6499 2005-08-10 Richard Sandiford <richard@codesourcery.com>
6501 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
6502 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
6503 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
6504 and __aeabi_uwrite8.
6505 * config/arm/unaligned-funcs.c: New file.
6506 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
6508 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
6510 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
6511 Add dump.
6512 * cfglayout.c (pass_insn_locators_initialize): Add dump.
6513 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
6514 Add dump.
6515 * except.c (pass_convert_to_eh_region_ranges): Add dump.
6516 * final.c (pass_shorten_branches): Add dump.
6517 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
6518 (pass_life): Rename dump.
6519 (rest_of_handle_flow2): Remove initial verify_flow_info.
6520 * function.c (pass_instantiate_virtual_regs): Add dump.
6521 * integrate.c (pass_initial_value_sets): Add dump.
6522 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
6523 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
6524 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
6525 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
6526 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
6527 gate_rtl_unrool_and_peel_loops): New.
6528 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
6529 rtl_doloop): Do not look at flags.
6530 * mode-switching.c (pass_mode_switching): Add dump.
6531 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
6532 pass_split_before_regstack): Add dump.
6533 * regmove.c (pass_stack_adjustments): Add dump.
6534 * tree-optimize.c (pass_fixup_cfg): Add dump.
6536 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6538 PR 23309
6539 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
6540 deciding which instruction sequence to use.
6542 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
6544 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
6545 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
6547 2005-08-09 Richard Guenther <rguenther@suse.de>
6549 * c-common.c (builtin_function_2): Remove.
6550 (def_builtin_1): New function.
6551 (c_common_nodes_and_builtins): Use def_builtin_1 to
6552 build builtin functions.
6554 2005-08-09 Jie Zhang <jie.zhang@analog.com>
6556 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
6557 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6558 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
6559 Visual DSP.
6561 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
6563 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
6564 fold_binary instead of fold_build2 since we don't care about the
6565 resulting tree.
6566 (loop_niter_by_eval): Likewise.
6567 (compare_trees): Likewise.
6568 (proved_non_wrapping_p): Likewise.
6570 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
6572 PR c/23161
6573 PR c/23165
6574 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
6575 if the if is really empty.
6577 2005-08-09 Steven Bosscher <stevenb@suse.de>
6579 PR tree-optimization/23234
6580 * tree-ssa-math-opts.c (place_reciprocal): New enum.
6581 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
6582 argument of the new enum.
6583 (execute_cse_reciprocals): Add reciprocals for function arguments
6584 on the unique successor edge of the entry block. Update other calls
6585 to execute_cse_reciprocals_1.
6587 2005-08-08 Richard Henderson <rth@redhat.com>
6589 PR 22439
6590 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
6592 2005-08-08 Bob Wilson <bob.wilson@acm.org>
6594 * expr.c (write_complex_part): Return after handling MEM.
6596 2005-08-08 Josh Conner <jconner@apple.com>
6598 PR rtl-optimization/23241
6599 * combine.c (simplify_comparison): Fix error in determining
6600 whether to lift a subreg from comparison.
6602 2005-08-08 David Edelsohn <edelsohn@gnu.org>
6604 PR target/18506
6605 * config/rs6000/altivec.md (vec_init<mode>): New.
6606 (vec_set<mode>): New.
6607 (vec_extract<mode>): New.
6608 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
6609 (rs6000_expand_vector_set): New.
6610 (rs6000_expand_vector_extract): New.
6611 (rs6000_legitimate_offset_address_p): Offset addresses are valid
6612 for Altivec modes before reload.
6613 (altivec_expand_vec_init_builtin): New.
6614 (get_element_number): New.
6615 (altivec_expand_vec_set_builtin): New.
6616 (altivec_expand_vec_ext_builtin): New.
6617 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
6618 builtins.
6619 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
6620 builtins.
6621 * config/rs6000/rs6000.h (rs6000_builtins): Add
6622 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
6623 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
6624 * config/rs6000/rs6000-protos.h: Declare new functions.
6626 2005-08-08 Jan Hubicka <jh@suse.cz>
6628 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
6629 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
6630 * i386.md (movdi*): Use pic_32bit_operand.
6631 * predicates.md (pic_32bit_operand): New.
6633 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
6635 PR c++/21166
6636 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
6638 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
6640 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
6641 (test_for_singularity): Use fold_build2.
6643 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6645 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
6647 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
6649 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6650 (COMMON_ASM_OP) Define.
6651 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
6652 (ix86_encode_section_info): Likewise.
6653 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
6654 SUBTARGET_ENCODE_SECTION_INFO.
6656 2005-08-06 Richard Henderson <rth@redhat.com>
6658 PR 21894
6659 * tree-nested.c (convert_local_reference): Save and restore val_only
6660 around component_ref and friends. Clear walk_subtrees by default.
6662 2005-08-06 Peter O'Gorman <peter@pogma.com>
6664 PR 21366
6665 * gcc.c (process_command): Check the argument to -b has a dash.
6666 * doc/invoke.texi: Update -b and -V docs.
6668 2005-08-06 James E Wilson <wilson@specifix.com>
6670 * config/mips/cross64.h, config/mips/t-cross64: Delete.
6672 2005-08-06 Michael Matz <matz@suse.de>
6674 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
6675 member only if only one insn is associated with the value.
6677 2005-08-06 Nick Clifton <nickc@redhat.com>
6679 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
6680 New define.
6681 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
6682 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
6683 Check symbol flags instead of symbol name mangling.
6684 (xstormy16_asm_output_aligned_common): Likewise. Also
6685 simplify code since the bss100_section cass is the only case
6686 where the below100 code will be triggered.
6687 (xstormy16_encode_section_info): Encode below100 attribute
6688 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
6689 the name.
6690 (xstormy16_strip_name_encoding): Delete - this function is no
6691 longer needed.
6692 (TARGET_STRIP_NAME_ENCODING): Undefine.
6693 * config/stormy16/stormy16-protos.h: Delete prototype for
6694 xstormy16_strip_name_encoding.
6696 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
6698 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
6699 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
6700 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
6701 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
6702 config/alpha/predicates.md, config/arc/arc.h,
6703 config/arm/arm.h, config/arm/ieee754-df.S,
6704 config/arm/ieee754-sf.S, config/bfin/bfin.c,
6705 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
6706 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
6707 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
6708 config/m68hc11/m68hc11.h, config/mips/mips.c,
6709 config/mips/mips.h, config/mips/openbsd.h,
6710 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
6711 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
6712 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6713 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
6714 config/sparc/linux.h, config/sparc/linux64.h,
6715 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
6716 doc/extend.texi, doc/gcov.texi, doc/install.texi,
6717 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
6718 typos. Follow spelling conventions.
6720 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
6722 PR c/23113
6723 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
6724 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
6725 specially. Check for side effects only for COND_EXPR.
6726 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
6727 return with TREE_NO_WARNING.
6729 2005-08-06 Richard Sandiford <richard@codesourcery.com>
6731 PR rtl-optimization/23233
6732 * loop.c (combine_movables): Require the modes to be the same.
6733 (move_movables): Remove handling of cases where the replacement
6734 had a different mode to the original.
6736 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
6738 PR tree-optimization/23128
6739 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
6740 subtraction wrap, and set TREE_OVERFLOW if they do.
6742 2005-08-05 Richard Henderson <rth@redhat.com>
6744 PR 21728
6745 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
6746 FORCED_LABEL labels.
6748 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
6750 PR middle-end/23135
6751 * reload.c (find_reloads_subreg_address): Pass down TYPE
6752 unchanged. Change all callers except find_reloads_toplev.
6754 2005-08-05 Michael Matz <matz@suse.de>
6756 * genattrtab.c (current_alternative_string): Remove.
6757 (SIMPLIFY_ALTERNATIVE): Ditto.
6758 (attr_alt_bit_p): Ditto.
6759 (alternative_name): Make const char *.
6760 (evaluate_eq_attr): Remove use of above things.
6761 (simplify_test_exp): Ditto.
6762 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
6763 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
6765 2005-08-04 James E Wilson <wilson@specifix.com>
6767 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
6768 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
6769 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
6770 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
6771 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
6773 2005-08-04 Richard Henderson <rth@redhat.com>
6775 PR 21529
6776 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
6777 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
6778 * tree-sra.c (decide_block_copy): Use it. Disable element copy
6779 if we'd have to instantiate too many members.
6781 2005-08-04 Richard Henderson <rth@redhat.com>
6783 PR 21291
6784 * tree-outof-ssa.c (coalesce_asm_operands): New.
6785 (coalesce_ssa_name): Use it. Split out ...
6786 (coalesce_phi_operands, coalesce_result_decls): ... these.
6788 2005-08-04 Paul Brook <paul@codesourcery.com>
6790 * read-rtl.c (read_quoted_string): Break if EOF.
6792 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
6794 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
6795 (fold_build2): Likewise.
6796 (fold_build3): Likewise.
6797 (fold_build1_stat): New function prototype.
6798 (fold_build2_stat): Likewise.
6799 (fold_build3_stat): Likewise.
6800 * fold-const.c (fold_build1): Rename to ..
6801 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6802 through to build1_stat.
6803 (fold_build2): Rename to ..
6804 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6805 through to build2_stat.
6806 (fold_build3): Rename to ..
6807 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
6808 through to build3_stat.
6810 2005-08-04 David Edelsohn <edelsohn@gnu.org>
6811 Ian Lance Taylor <ian@airs.com>
6813 * function.c (assign_stack_local_1): Do not correct stack slot
6814 address if allocation size is smaller than mode size.
6816 2005-08-04 Diego Novillo <dnovillo@redhat.com>
6818 PR 22037
6819 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
6820 (tree_merge_blocks): Propagate anything allowed by
6821 may_propagate_copy.
6822 Clarify documentation.
6823 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
6824 SSA form, schedule an update if necessary.
6826 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
6828 * doc/install.texi (Binaries): Remove broken link to
6829 Sinix/Reliant Unix binaries.
6831 2005-08-03 Richard Henderson <rth@redhat.com>
6833 PR 23221
6834 * function.c (stack_protect_epilogue): Export.
6835 * tree.h (stack_protect_epilogue): Declare.
6836 * calls.c (expand_call): Call it.
6838 2005-08-03 Eric Christopher <echristo@apple.com>
6840 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
6841 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
6842 spec.
6844 2005-08-04 Jan Hubicka <jh@suse.cz>
6846 * profile.c (branch_prob): Split edges with goto locus on them
6847 to get proper line counts.
6848 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
6850 2005-08-03 Paul Brook <paul@codesourcery.com>
6852 * function.c (assign_parms): Round current_function_args_size
6853 to PARM_BOUNDARY, not STACK_BOUNDARY.
6855 2005-08-03 Geoffrey Keating <geoffk@apple.com>
6857 * config/i386/i386.c (x86_elf_aligned_common)
6858 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
6860 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
6862 PR tree-optimization/23157
6863 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
6864 before emitting them.
6866 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6868 PR tree-optimization/19899
6869 * Makefile.in (tree-scalar-evolution.o): Add real.h.
6870 * tree-scalar-evolution.c: Include real.h.
6871 (add_to_evolution): Build constant -1 of correct type.
6873 2005-08-03 Jan Hubicka <jh@suse.cz>
6875 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
6876 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
6877 profile updating for complette unrolling.
6878 * loop-unroll.c (peel_loop_completely): Use it.
6879 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
6880 (tree_unroll_loops_completely): Disable code growing unrolling of cold
6881 loops.
6883 2005-08-03 Paul Brook <paul@codesourcery.com>
6885 * combine.c (can_change_dest_mode): New function.
6886 (try_combine, simplify_set): Use it.
6888 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
6890 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
6891 TFmode to BLKmode.
6893 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
6895 * doc/install.texi (Specific): Adjust link to openavr.org.
6896 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
6897 (Binaries): Adjust HP-UX Porting Center link.
6898 (Binaries): Adjust Free Software Foundation ordering link.
6900 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
6902 * convert.c (convert_to_integer): Use fold_build1 instead of
6903 build1 when converting an integer to an integer.
6905 2005-08-02 Richard Henderson <rth@redhat.com>
6907 * combine.c (combine_instructions): Don't use reg_equal/equiv
6908 results if the mode doesn't match.
6910 2005-08-02 Mark Mitchell <mark@codesourcery.com>
6912 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
6913 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
6915 2005-08-02 Richard Henderson <rth@redhat.com>
6917 PR 23196
6918 * explow.c (memory_address): Remove special-case for
6919 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
6921 2005-08-02 Diego Novillo <dnovillo@redhat.com>
6923 PR 23164
6924 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
6925 number of calls to cleanup_tree_cfg_1.
6927 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
6929 * doc/invoke.texi: document file extensions .F90 and .F95
6931 2005-08-02 Richard Guenther <rguenther@suse.de>
6933 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
6934 positive if its first argument is positive.
6936 2005-08-02 Richard Guenther <rguenther@suse.de>
6938 PR tree-optimization/23177
6939 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
6940 on TMR_TAG.
6942 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
6944 PR tree-optimization/23129
6945 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
6946 varying for divisions with anti-ranges.
6948 2005-08-02 Jan Hubicka <jh@suse.cz>
6950 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
6951 * tree-ssa-threadupdate.c (thread_block): Add it here.
6953 2005-08-01 James E Wilson <wilson@specifix.com>
6955 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
6956 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
6957 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
6958 New.
6959 * config/mips/predicates.md (const_call_insn_operand): Add check for
6960 SYMBOL_REF_LONG_CALL_P.
6961 * doc/extend.texi (long_call): Document the new attribute.
6963 2005-08-01 Ian Lance Taylor <ian@airs.com>
6964 Richard Henderson <rth@redhat.com>
6966 * Makefile.in (RTL_BASE_H): Add real.h.
6967 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
6968 instead of memcpy.
6969 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
6970 directly.
6971 * rtl.c (rtl_check_failed_code_mode): New.
6972 * rtl.h (struct rtx_def): Add u.rv.
6973 (XCMWINT, XCNMPRV): New.
6974 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
6975 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
6977 2005-08-01 Richard Henderson <rth@redhat.com>
6979 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
6980 with auto-inc codes.
6982 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
6984 2005-08-01 Jan Hubicka <jh@suse.cz>
6986 * i386-protos.h (asm_preferred_eh_data_format): Declare.
6987 * i386.c: Include dwarf2.h
6988 (asm_preferred_eh_data_format): New.
6989 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
6991 2005-08-01 Ian Lance Taylor <ian@airs.com>
6993 * config/host-linux.c (linux_gt_pch_get_address): Add new name
6994 randomize_va_space for virtual address randomization control.
6996 2005-08-01 Steven Bosscher <stevenb@suse.de>
6998 * common.opt (flag_ipa_cp): Put in right place to maintain
6999 alphabetic sort.
7001 2005-08-01 Jan Hubicka <jh@suse.cz>
7003 * profile.c (compute_value_histograms): Fix thinko.
7004 * value-prof.c: Include toplev.h
7005 (check_counter): New function.
7006 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
7007 tree_mod_subtract_transform): Add sanity check.
7009 2005-08-01 Richard Guenther <rguenther@suse.de>
7011 PR tree-optimization/23133
7012 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
7013 current functions parameter decls to find defs to cse
7014 reciprocals of.
7016 2005-08-01 Richard Guenther <rguenther@suse.de>
7018 PR tree-optimization/23109
7019 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
7020 If trapping math is in effect, use post-dominator information
7021 to check if we'd in any case reach a trapping point before
7022 doing the reciprocal insertion.
7023 (execute_cse_reciprocals): Compute post-dominators, if necessary.
7024 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
7025 expressions are invariant only if trapping math is not in effect.
7027 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
7029 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
7030 cgraph_function_versioning): New declarations.
7031 * cgraphunit.c: Add include to ipa-prop.h.
7032 (update_call_expr, cgraph_copy_node_for_versioning,
7033 cgraph_function_versioning): New functions.
7034 * integrate.c (copy_decl_for_inlining): Remove.
7035 * ipa-prop.h (ipa_replace_map): New struct.
7036 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
7037 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
7038 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
7039 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
7040 ipcp_iterate_stage, ipcp_method_scale_print,
7041 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
7042 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
7043 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
7044 ipcp_update_bb_counts, ipcp_update_profiling,
7045 ipcp_update_edges_counts): New functions.
7046 (ipcp_method_cval_init): Remove restriction regarding local methods.
7047 (ipcp_init_stage): Add ipcp_method_compute_scale.
7048 (ipcp_insert_stage): Add versioning.
7049 (ipcp_structures_print): Add ipcp_method_scale_print.
7050 (ipcp_driver): Dump profiling info.
7051 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
7052 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
7053 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
7054 (struct inline_data): Add versioning_p, ipa_info, new fields.
7055 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
7056 declare_return_variable): Replace calls to copy_decl_for_inlining with
7057 copy_decl_for_dup.
7058 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
7059 versioning support.
7060 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
7061 Add argument VERSIONING.
7062 (copy_arguments_for_versioning, copy_static_chain,
7063 function_versionable_p, tree_versionable_function_p,
7064 tree_function_versioning, replace_ref_tree): New functions.
7065 * tree-inline.h: Include varray.h.
7066 (tree_versionable_function_p, tree_function_versioning,
7067 tree copy_decl_for_dup): New declarations.
7069 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
7071 * ipa-cp.c: New file. Contains IPCP specific functionality.
7072 * ipa-prop.h: New file. Contains structures/definitions that can be
7073 used by several interprocedural data flow optimizations (and also IPCP).
7074 * ipa-prop.c: New file.
7075 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
7076 * common.opt: Add ipa-cp flag.
7077 * timevar.def: Add IPCP optimization.
7078 * tree-optimize.c (init_tree_optimization_passes): Schedule
7079 pass_ipa_cp.
7080 * tree-pass.h (pass_ipa_cp): Declare.
7082 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
7084 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
7085 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
7086 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
7087 config/i386/i386.c, config/mips/mips.h,
7088 config/rs6000/rs6000.h, config/sh/sh.c,
7089 config/stormy16/stormy16.c: Fix comment typos.
7091 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
7093 PR c/22311
7094 * c-typeck.c (build_binary_op): Use common_type wrapper on
7095 shortened types.
7096 (common_type): Update comment.
7098 2005-07-31 Steven Bosscher <stevenb@suse.de>
7100 PR target/23095
7101 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
7102 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
7103 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
7105 2005-07-31 Jan Hubicka <jh@suse.cz>
7107 * pretty-print.h (pp_widest_integer): New macro.
7108 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
7109 counts.
7111 2005-07-31 Jan Hubicka <jh@suse.cz>
7113 * output.h (enum section_category): Export from varasm.c
7114 (categorize_decl_for_section): Likewise.
7115 * varasm.c (enum section_category): Kill.
7116 (categorize_decl_for_section): Make global.
7117 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
7118 Declare.
7119 * i386.c (ix86_section_threshold): New static variable.
7120 (ix86_in_large_data_p, ix86_encode_section_info,
7121 x86_64_elf_unique_section,
7122 x86_64_elf_select_section): New functions.
7123 (TARGET_ENCODE_SECTION_INFO): Define
7124 (override_options): Enable medium model for PIC.
7125 (ix86_expand_prologue): Expand gen_set_got_rex64.
7126 (legitimate_constant_p): Handle new UNSPECs.
7127 (legitimate_pic_address_disp_p): Likewise.
7128 (legitimize_pic_address): Lower MEDIUM model addressing.
7129 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
7130 (enum cmodel): Add MEDIUM_PIC.
7131 (SYMBOL_REF_FAR_ADDR_P): New macro.
7132 (SYMBOL_FLAG_FAR_ADDR): New flag.
7133 * i386.md (movdi): Support medium model.
7134 (set_got_rex64): New pattern.
7135 * i386.opt (mlarge-data-threshold): New flag.
7136 * predicates.md (zext_operand/sext_operand): Deal with medium model.
7137 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
7138 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
7139 TARGET_ASM_UNIQUE_SECTION): New.
7141 * invoke.texi (-mlarge_data_threshold): Document
7143 2005-07-31 Jan Hubicka <jh@suse.cz>
7145 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
7146 (coalesce_vars): Likewise.
7147 * tree-ssa-live.c (coalesce_cost): New.
7148 (build_tree_conflict_graph): Use coalesce_cost.
7149 * tree-ssa-live.h (coalesce_cost): Declare.
7151 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
7153 * arm.md (all peepholes for post-increment operations): Delete.
7154 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
7155 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
7156 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
7157 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
7158 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
7160 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
7162 * fold-const.c (tree_expr_nonnegative_p): Always return true for
7163 non-integral types.
7165 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
7167 PR target/22582
7168 * doc/invoke.texi: Document -rdynamic.
7170 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
7172 PR c/23143
7173 * c-parser.c (c_parser_parms_list_declarator): Call
7174 mark_forward_parm_decls.
7175 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
7176 decls with visibility structure.
7178 2005-07-30 Paul Brook <paul@codesourcery.com>
7180 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
7182 2005-07-30 Paul Brook <paul@codesourcery.com>
7184 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
7185 prototype.
7186 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
7187 value for mode.
7188 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
7190 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7192 PR c/529
7193 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
7194 nested function declarators.
7195 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
7196 (grokparms): Call warn_if_shadowing for parameters used within the
7197 parameter list.
7198 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
7199 not used within the parameter list.
7200 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
7202 2005-07-30 Jan Hubicka <jh@suse.cz>
7204 * expr.c (expand_expr_real_1): Do not load mem targets into register.
7205 * i386.c (ix86_fixup_binary_operands): Likewise.
7206 (ix86_expand_unary_operator): Likewise.
7207 (ix86_expand_fp_absneg_operator): Likewise.
7208 * optabs.c (expand_vec_cond_expr): Validate dest.
7210 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7212 PR c/21720
7213 * real.c (real_from_string): Also set last bit if there is a
7214 nonzero hex digit beyond GCC's internal precision after ".".
7216 2005-07-29 David Edelsohn <edelsohn@gnu.org>
7218 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
7219 define_constants. Change duplicate values to unassigned numbers.
7220 Change UNSPEC_SUBS to UNSPEC_VSUBS.
7221 (*altivec_vspltsf): New.
7222 (altivec_vperm_v4sf): Delete.
7223 (altivec_vperm_<mode>): Use mode macro V.
7224 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
7225 (altivec_predicate_v4sf): Delete.
7226 (altivec_predicate_<mode>): Use mode macro V.
7227 (*altivec_lvesfx): New.
7228 (*altivec_stvesfx): New.
7229 (vec_realign_load_v4sf): Delete.
7230 (vec_realign_load_<mode>): Use mode macro V.
7231 * config/rs6000/rs6000.c (generate_set_vrsave): Use
7232 UNSPECV_SET_VRSAVE.
7234 2005-07-29 Mark Mitchell <mark@codesourcery.com>
7236 PR bootstrap/23131
7237 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
7238 string.
7239 * configure: Regenerated.
7241 2005-07-29 Paul Brook <paul@codesourcery.com>
7243 * doc/install.texi: Add link to GFortran binaries wiki page.
7245 2005-07-29 David Ung <davidu@mips.com>
7247 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
7248 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
7249 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
7250 * config/mips/mips.md (cpu): Add 5kf name.
7251 (includes): Includes 5k.md.
7252 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
7253 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
7254 -march flag.
7256 2005-07-29 Diego Novillo <dnovillo@redhat.com>
7258 PR 22550
7259 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
7260 (cleanup_tree_cfg): ... here.
7261 Call cleanup_tree_cfg_1 until there are no more cleanups to
7262 do.
7264 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
7266 * tree-vrp.c (compare_range_with_value): Return true or false
7267 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
7268 EQ_EXPR respectively.
7270 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
7272 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
7273 Fix comment typos.
7275 2005-07-29 Diego Novillo <dnovillo@redhat.com>
7277 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
7278 (tree_ssa_dominator_optimize): Increment it.
7279 (dump_dominator_optimization_stats): Print it.
7281 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
7282 Steven Bosscher <stevenb@suse.de>
7284 PR rtl-optimization/23117
7285 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
7286 when head == tail. Tidy comment.
7288 2005-07-28 Richard Henderson <rth@redhat.com>
7290 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
7291 * cselib.c (rtx_equal_for_cselib_p): Likewise.
7292 * jump.c (rtx_renumbered_equal_p): Likewise.
7293 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
7294 CONST_INT and CONST_DOUBLE.
7295 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
7296 * reload.c (operands_match_p): Special case CONST_INT and
7297 CONST_DOUBLE; check mode earlier.
7299 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7301 PR c/22240
7302 * c-typeck.c (convert_for_assignment): Do not check
7303 DECL_IN_SYSTEM_HEADER on NULL fundecl.
7305 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7307 PR c/22192
7308 * c-typeck.c (composite_type): Prefer constant size arrays to
7309 VLAs.
7311 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
7313 PR c/21720
7314 * real.c (real_from_string): Set last bit if there is a nonzero
7315 hex digit beyond GCC's internal precision.
7317 2005-07-28 Richard Henderson <rth@redhat.com>
7319 PR rtl-opt/22619
7320 * cfgcleanup.c (try_forward_edges): Watch out for end of
7321 insn chain.
7323 2005-07-28 James E Wilson <wilson@specifixinc.com>
7325 PR c/23106
7326 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
7328 2005-07-28 Jan Hubicka <jh@suse.cz>
7330 * Makefile.in (rtl-profile.o): Kill all traces of it.
7331 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
7332 * coverage.h (rtl_coverage_counter_ref): Kill.
7333 * opts.c (flag_speculative_prefetching_set): Kill.
7334 (flag_loop_optimize_set): New.
7335 (common_handle_option): Disable loop optimizer when profiling;
7336 do not handle speculative prefetching.
7337 * passes.c (init_optimization_passes): Replace pass_profiling combo
7338 by branch_prob pass.
7339 * profile.c (compute_value_histograms): Update for simplified value
7340 profiles.
7341 (rtl_register_profile_hooks): Kill.
7342 (pass_profiling): Kill.
7343 (rest_of_handle_branch_prob): Do not profile.
7344 * toplev.c (process_options): Remove speculative prefetching.
7345 * toplev.h (flag_tree_based_profiling): Kill.
7346 * tree-profile.c (prepare_instrumented_value,
7347 tree_gen_interval_profiler, tree_gen_pow2_profiler,
7348 tree_gen_one_value_profiler, do_tree_profiling): Update for
7349 simplified datastructures.
7350 * value-prof.c: Add comment that speculative prefetching was dropped;
7351 update rest of file for simplified datastructures.
7352 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
7353 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
7354 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
7355 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
7356 rtl_mod_subtract, gen_speculative_prefetch,
7357 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
7358 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
7359 (gate_handle_value_profile_transformations,
7360 rest_of_handle_value_profile_transformations,
7361 pass_value_profile_transformations): Kill.
7362 * value-prof.h (histogram_value_t): Remove IL based unions.
7363 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
7364 rtl_profile_hooks): Remove hooks.
7366 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
7368 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
7369 (cgraph_clone_node): Likewise.
7370 * cgraph.h (cgraph_clone_edge): Update prototype.
7371 (cgraph_clone_node): Likewise.
7372 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
7373 cgraph_clone_node.
7374 (lookup_recursive_calls): Consider profile.
7375 (cgraph_decide_recursive_inlining): Fix updating; use new
7376 probability argument; use profile.
7377 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
7378 * tree-inline.c (copy_bb): Update clal of clone_edge.
7379 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
7381 * invoke.texi (min-inline-recursive-probability): Document.
7383 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
7385 * doc/install.texi (Configuration): Update Valgrind homepage.
7387 2005-07-28 Richard Henderson <rth@redhat.com>
7389 PR middle-end/21362
7390 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
7391 labels we want to delete.
7392 (cfg_layout_merge_blocks): Likewise.
7394 2005-07-28 Richard Henderson <rth@redhat.com>
7396 PR target/17692
7397 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
7398 when expanding to nothing.
7400 2005-07-28 Josh Conner <jconner@apple.com>
7402 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
7403 (cgraph_decide_inlining_of_small_functions): Likewise.
7405 2005-07-28 Josh Conner <jconner@apple.com>
7407 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
7408 direction of badness if negative.
7409 (cgraph_default_inline_p): Add reason to parameters, and assign it
7410 a value.
7411 (cgraph_decide_inlining_of_small_functions): New parameter in call
7412 to cgraph_default_inline_p.
7413 (cgraph_decide_inlining_incrementally): Likewise.
7414 * cgraphunit.c (decide_is_function_needed): Likewise.
7415 * cgraph.h (cgraph_default_inline_p): Likewise.
7417 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7419 * builtins.c: Fix comment typo(s).
7420 * genautomata.c: Likewise.
7421 * gimplify.c: Likewise.
7422 * tree-dfa.c: Likewise.
7423 * tree-flow-inline.h: Likewise.
7424 * tree-into-ssa.c: Likewise.
7425 * tree-ssa-alias.c: Likewise.
7426 * tree-ssa-ccp.c: Likewise.
7427 * tree-ssa-copy.c: Likewise.
7428 * tree-ssa-dce.c: Likewise.
7429 * tree-ssa-dom.c: Likewise.
7430 * tree-ssa-operands.c: Likewise.
7431 * tree-tailcall.c: Likewise.
7432 * tree-vectorizer.c: Likewise.
7433 * tree-vrp.c: Likewise.
7434 * tree.c: Likewise.
7436 2005-07-28 Jeff Law <law@redhat.com>
7438 * tree-vrp.c (test_for_singularity): Extracted from ...
7439 (simplify_cond_using_ranges): Attempt to simplify a relational
7440 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
7442 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
7444 PR tree-optimization/22506
7445 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
7446 phis whose argument is constant.
7448 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
7450 PR rtl-optimization/18992
7451 Back out this patch:
7452 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7453 PR optimization/12142
7454 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
7455 uses of the register in the SET_SRC. Remove unnecessary argument.
7457 Replace it with this:
7458 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
7459 if flag_non_call_exceptions is set and the insn may trap, pass
7460 pc_rtx as dest for recursion.
7461 In SET_SRC part of SET case, if dest is already set, pass it down
7462 unchanged.
7464 2005-07-28 Jan Hubicka <jh@suse.cz>
7466 * cfg.c (update_bb_profile_for_threading): Use RDIV.
7467 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
7468 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
7469 roundoff errors.
7470 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
7471 profile when available.
7473 2005-07-28 Jan Beulich <jbeulich@novell.com>
7475 * config/ia64/ia64.c (ia64_load_pair_ok): New.
7476 (ia64_print_operand): Describe and handle 'X'.
7477 (ia64_register_move_cost): Also handle FP_REGS.
7478 (ia64_preferred_reload_class): Likewise.
7479 (ia64_secondary_reload_class): Likewise.
7480 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
7481 it. Also check for ITANIUM_CLASS_FLDP.
7482 * config/ia64/ia64.h (FP_REGNO_P): New.
7483 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
7484 (reg_class): Add FP_REGS.
7485 (REG_CLASS_NAMES): Adjust for it.
7486 (REG_CLASS_CONTENTS): Likewise.
7487 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
7488 (REG_CLASS_FROM_LETTER): Handle 'x'.
7489 (CLASS_MAX_NREGS): Handle FP_REGS.
7490 (MEMORY_MOVE_COST): Likewise.
7491 * config/ia64/ia64.md (itanium_class): Add fldp.
7492 (type): Handle fldp.
7493 (movti_internal): More allowable operand combinations. Use ldfp8 when
7494 splitting unnecessary. Remove predicable attribute. Adjust
7495 itanium_class attribute.
7496 (smuldi3_highpart): Remove outdated comment.
7497 (mulditi3, umulditi3, rotlti3): New expanders.
7498 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
7499 (absti2): Disabled new insn for future reference.
7500 Respective new splitters.
7501 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
7502 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
7503 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
7505 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
7507 PR rtl-optimization/23047
7508 * simplify-rtx.c (simplify_const_relational_operation): Respect
7509 flag_wrapv for comparisons with ABS.
7511 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
7513 PR tree-optimization/22493
7514 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
7515 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
7517 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
7519 * config/frv/frv.opt (moptimize-membar): New.
7521 * doc/invoke.texi: Document -moptimize-membar and its inverse.
7523 * config/frv/frv.h: Remove machine_function definition.
7525 * config/frv/frv.c (struct frv_io): New.
7526 (struct machine_function): Moved from frv.h. Add has_membar_p.
7527 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
7528 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
7529 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
7530 (frv_optimize_membar_global, frv_optimize_membar): New functions.
7531 (frv_reorg): Call frv_optimize_membar when appropriate.
7532 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
7533 (frv_expand_builtin): Adjust calls accordingly.
7534 (frv_io_address_cookie): New function.
7535 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
7536 load or store rather than a special insn. Add ccnstant address and
7537 io-type operands to the membar.
7538 (frv_ifcvt_modify_tests): Unsign regno.
7539 (frv_ifcvt_modify_tests): Same.
7541 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
7542 UNSPEC_OPTIONAL_MEMBAR constant.
7543 (builtin_read_<mode>): Delete.
7544 (builtin_write_<mode>): Delete.
7545 ("optional_membar_<mode>"): Add operand.
7547 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
7548 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
7549 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
7550 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
7551 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
7552 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
7553 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
7554 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
7555 * testsuite/gcc.target/frv/all-read-write-1.c: New.
7557 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
7559 * df.c (df_uses_record): Handle SCRATCH.
7561 2005-07-28 Steven Bosscher <stevenb@suse.de>
7563 PR debug/20161
7564 * passes.c (rest_of_decl_compilation): If decl is a type and
7565 we have encountered errors, don't emit debug information.
7567 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
7569 * params.def: Fixed comment.
7571 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
7573 PR target/19885
7574 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
7575 (TARGET_ASM_UNALIGNED_HI_OP): Add.
7576 (TARGET_ASM_UNALIGNED_SI_OP): Add.
7578 2005-07-27 Steven Bosscher <stevenb@suse.de>
7580 PR c++/22003
7581 * varasm.c (assemble_start_function): Don't do anything that may
7582 require a CFG if the current function is a thunk.
7584 2005-07-25 Geoffrey Keating <geoffk@apple.com>
7586 * doc/install.texi (Prerequisites): Mention that perl is needed
7587 to do export control in libstdc++ targetting Darwin.
7589 2005-07-27 Steven Bosscher <stevenb@suse.de>
7591 PR rtl-optimization/17808
7592 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
7593 (sched_insns_conditions_mutex_p): Split out from...
7594 (add_dependence): ...here. But don't call it from here.
7595 (add_dependence_list): Check sched_insns_conditions_mutex_p
7596 before calling add_dependence.
7597 (add_dependence_list_and_free): Likewise.
7598 (fixup_sched_groups): Likewise.
7599 (sched_analyze_1): Likewise.
7600 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
7601 (sched_analyze): Likewise.
7602 (sched_analyze_insn): Likewise.
7603 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
7604 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
7605 dependencies on all COND_EXEC insns to jumps ending basic blocks
7606 when doing intrablock scheduling.
7607 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
7609 2005-07-27 Jeff Law <law@redhat.com>
7611 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
7612 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
7613 equivalency sets, correctly handle the case were vr0 has an
7614 equivalency set, but vr1 does not.
7616 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
7618 PR tree-optimization/23073
7619 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
7620 vect_print_dump_info before fprintf.
7622 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7624 PR tree-optimize/22348
7625 * tree-ssa-loop-niter.c (number_of_iterations_cond):
7626 Fold the partial computation.
7628 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7630 PR tree-optimization/22325
7631 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
7632 Declare.
7633 * tree-scalar-evolution.c (scev_const_prop): Add generic final
7634 value replacement.
7635 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
7636 (force_var_cost): ... this function.
7637 (compute_phi_arg_on_exit): Export.
7639 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
7641 PR tree-optimization/20773
7642 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
7643 edge.
7645 2005-07-27 Richard Guenther <rguenther@suse.de>
7647 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
7648 Avoid pushing again if current struct contains only
7649 fields we decomposed.
7651 2005-07-27 Jan Hubicka <jh@suse.cz>
7653 PR tree-optimization/22574
7654 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
7655 not available.
7657 * tree-tailcall.c (decrease_profile): New function.
7658 (eliminate_tail_call): Use it.
7660 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
7661 visibility flags correctly in whole program mode.
7663 2005-07-26 Steve Ellcey <sje@cup.hp.com>
7665 PR rtl-optimization/22472
7666 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
7668 2005-07-26 Steven Bosscher <stevenb@suse.de>
7670 PR tree-optimization/22504
7671 * tree-complex.c (expand_complex_addition): Use 'code' instead
7672 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
7674 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7676 * config.gcc (cpu_type): Add frv case.
7677 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
7678 (supported_defaults): Add fr550 case.
7680 2005-07-26 Diego Novillo <dnovillo@redhat.com>
7682 PR 22591
7683 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
7684 whether a pointer of type T * may point to objects of type T *.
7686 2005-07-26 DJ Delorie <dj@redhat.com>
7688 * configure: Regenerate.
7690 2005-07-26 Dale Johannesen <dalej@apple.com>
7692 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
7694 2005-07-26 Mark Mitchell <mark@codesourcery.com>
7696 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
7697 Clarify use of "build" in name.
7699 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
7701 * doc/extend.texi (Raw read/write Functions): New section.
7702 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
7703 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
7704 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
7705 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
7706 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
7707 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
7708 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
7709 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
7710 * config/frv/frv.c: Add bdesc_loads global.
7711 Add bdesc_stores global.
7712 (frv_init_builtins): Add support for __builtin_{read/write}*.
7713 (frv_volatile_memref): New.
7714 (frv_expand_load_builtin): New.
7715 (frv_expand_store_builtin): New.
7716 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
7717 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
7718 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
7719 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
7720 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
7721 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
7722 (builtin_read_<mode>): New.
7723 (builtin_write_<mode>): New.
7724 (builtin_write64): New.
7725 (optional_membar_<mode>): New.
7727 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
7729 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
7730 (rather than units) against HOST_BITS_PER_WIDE_INT.
7732 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
7734 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
7735 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
7736 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
7737 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
7738 FSF address.
7740 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
7741 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
7742 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
7743 comment typos.
7744 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
7746 2005-07-26 Richard Guenther <rguenther@suse.de>
7748 PR tree-optimization/22486
7749 * fold-const.c (fold_unary): Fold away useless component
7750 references of the form (T *)&T.x, if the address
7751 doesn't change.
7753 2005-07-25 James E Wilson <wilson@specifixinc.com>
7755 * dwarf2out.c (add_call_src_coords_attributes): New.
7756 (gen_inlined_subroutine_die): Call it.
7757 (maybe_emit_file, init_file_table): Add comments.
7758 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
7759 maybe_emit_file.
7760 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
7761 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
7762 * tree.h (BLOCK_SOURCE_LOCATION): New.
7763 (struct tree_block): New field locus.
7765 2005-07-26 Andreas Schwab <schwab@suse.de>
7767 PR rtl-optimization/23043
7768 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
7769 when allocating a struct unoccr.
7771 2005-07-25 Richard Henderson <rth@redhat.com>
7773 PR 22626
7774 * tree-complex.c (gate_no_optimization): True if errors.
7775 * Makefile.in (tree-complex.o): Update dependencies.
7777 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
7779 * config/frv/predicates.md (integer_register_operand): Use
7780 GPR_AP_OR_PSEUDO_P.
7782 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7784 PR tree-opt/22484
7785 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
7786 after fold.
7787 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
7789 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
7791 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
7792 types when flag_unsafe_math_optimizations is true.
7794 2005-07-25 Mark Mitchell <mark@codesourcery.com>
7796 * gcc.c (option_map): Add --sysroot.
7797 (process_command): Handle --sysroot.
7798 (display_help): Document it.
7799 * doc/cppopts.tex (-isysroot): Document.
7800 * doc/invoke.texi (--sysroot): Document.
7801 * doc/install.texi (--with-build-sysroot): Document.
7803 * Makefile.in (inhibit_libc): New variable.
7804 (INHIBIT_LIBC_CFLAGS): Likewise.
7805 (LIBGCC2_CFLAGS): Include
7806 $(INHIBIT_LIBC_CFLAGS).
7807 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
7808 ($(T)crtbegin.o): Do not use @inhibit_libc@.
7809 ($(T)crtend.o): Likewise.
7810 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
7811 ($(T)crtendS.o): Likewise.
7812 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
7813 ($(T)crtendT.o): Likewise.
7814 (stmp-fixinc): Do not complain about missing headers if
7815 inhibit_libc.
7816 * configure.ac (inhibit_libc): Set it to true/false.
7817 (--with-build-sysroot): New option. Use it to set
7818 SYSTEM_HEADER_DIR.
7819 * configure: Regenerated.
7821 2005-07-25 Manfred Hollstein <mh@suse.com>
7823 * calls.c (store_one_arg): Fix unsigned comparison warning.
7825 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
7827 PR other/22337
7828 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
7829 (ggc_print_statistics): Initialize variable before use.
7831 2005-07-25 Richard Guenther <rguenther@suse.de>
7833 * tree-dfa.c (mark_new_vars_to_rename): Protect against
7834 calling with a PHI_NODE argument.
7836 * tree-flow-inline.h (overlap_subvar): Protect against
7837 possible overflow.
7839 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
7841 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
7842 * configure: Regenerate.
7844 2005-07-25 Ira Rosen <irar@il.ibm.com>
7846 * expr.c (highest_pow2_factor): Make extern.
7847 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
7848 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
7849 record_array_differ_p, array_ptr_differ_p): Likewise.
7850 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
7851 additional cases. Call the above functions.
7852 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
7853 base_object_differ_p when there are two base objects. Otherwise, compare
7854 base address and offset. Call may_alias_p.
7855 (dump_data_reference): Use a correct field name.
7856 (analyze_array): Make static. Initialize new data-ref fields.
7857 (analyze_indirect_ref): New function.
7858 (init_data_ref): Initialize new data-ref fields.
7859 (strip_conversion): Moved from tree-vect-analyze.c.
7860 (analyze_offset_expr, get_ptr_offset, address_analysis,
7861 object_analysis): Likewise.
7862 (analyze_offset): New function.
7863 (create_data_ref): Likewise.
7864 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
7865 dimensions for ARRAY_REFs only.
7866 (build_classic_dist_vector): Make static.
7867 (access_functions_are_affine_or_constant_p): Call macro to get the
7868 address of access functions.
7869 (compute_all_dependences): Add new parameter
7870 compute_self_and_read_read_dependences. Compute self and read-read
7871 dependences if it is true.
7872 (find_data_references_in_loop): Call create_data_ref. Initialize new
7873 data-ref fields.
7874 (compute_data_dependences_for_loop): Add new parameter
7875 compute_self_and_read_read_dependences. Remove parameter nb_loops,
7876 compute nb_loops. Call compute_all_dependences,
7877 build_classic_dist_vector and build_classic_dir_vector with correct
7878 parameters.
7879 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
7880 with correct parameters. Compare dimensions for ARRAY_REFs only.
7881 (free_data_refs): Call macro to free access functions.
7882 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
7883 fields from stmt_vinfo.
7884 (struct base_object_info): New structure.
7885 (struct data_reference): Move fields to base_object_info. Add fields
7886 first_location and object_info for above structures. Move fields from
7887 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
7888 aligned_to. Add macros to access the new fields.
7889 Update functions declarations.
7890 * tree-flow.h (is_aliased_with): Declare.
7891 * tree-loop-linear.c (linear_transform_loops): Call
7892 compute_data_dependences_for_loop with correct parameters.
7893 * tree-ssa-alias.c (is_aliased_with): New function.
7894 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
7895 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
7896 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
7897 vect_base_addr_differ_p, compute_subscript_distance and
7898 build_classic_dist_vector. Add printings. Check absolute value of
7899 distance.
7900 (vect_analyze_data_ref_dependences): Go through ddrs instead of
7901 data-refs.
7902 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
7903 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
7904 to bytes. Add printing.
7905 (vect_compute_data_refs_alignment): Go through loads and stores in one
7906 loop.
7907 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
7908 vect_analyze_data_ref_access): Likewise.
7909 (vect_analyze_pointer_ref_access): Remove.
7910 (vect_address_analysis, vect_object_analysis): Likewise.
7911 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
7912 and analyze data-refs in the loop.
7913 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
7914 fields of data-ref instead of stmt. Add init to the offset from the
7915 base.
7916 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
7917 (vect_update_init_of_dr): Likewise.
7918 (vect_update_inits_of_drs): Go through loads and stores in one loop.
7919 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
7920 removed fields.
7921 (new_loop_vec_info): Initialize new fields.
7922 (destroy_loop_vec_info): Free new fields.
7923 (vect_strip_conversion): Remove.
7924 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
7925 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
7926 datarefs. Add new field ddrs.
7927 Add macros for the new fields access.
7928 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
7929 base_aligned_p, misalignment, memtag, ptr_info and subvars.
7930 Remove their macros.
7931 * tree.h (highest_pow2_factor): Declare.
7933 2005-07-25 Jakub Jelinek <jakub@redhat.com>
7935 * calls.c (store_one_arg): Check for sibling call MEM arguments
7936 from already clobbered incoming argument area.
7938 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7940 * c-common.c (check_missing_format_attribute): New.
7941 * c-common.h (check_missing_format_attribute): Likewise.
7942 * c-typeck.c (convert_for_assignment): Use it.
7944 2005-07-24 Andreas Schwab <schwab@suse.de>
7946 * config/m68k/m68k.md ("extendqidi2"): When source is an address
7947 register use a word move. Correct operand of ext.w in 68000 code.
7949 2005-07-23 Mark Mitchell <mark@codesourcery.com>
7951 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
7952 variables as declarations, rather than definitions.
7954 2005-07-24 Ira Rosen <irar@il.ibm.com>
7956 PR tree-optimization/22526
7957 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
7958 of the zero node.
7960 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7962 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
7963 that C99 reserve for future use. Use it to define clog10,
7964 clog10f and clog10l.
7966 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7968 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
7969 * configure.ac: Check for -Wmissing-format-attribute.
7971 * configure: Regenerate.
7973 2005-07-23 Richard Henderson <rth@redhat.com>
7975 PR tree-optimization/22623
7976 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
7978 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
7980 PR target/22577
7981 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
7983 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7985 * Makefile.in (C_TREE_H): Update dependencies.
7986 * c-tree.h: Include toplev.h.
7987 * diagnostic.h (diagnostic_set_info): Add format attribute.
7988 * rtl-error.c (diagnostic_for_asm): Likewise.
7990 2005-07-23 Chao-ying Fu <fu@mips.com>
7992 * config/mips/mips-dsp.md: New file.
7993 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
7994 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
7995 functions.
7996 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
7997 MIPS_BUILTIN_BPOSGE32.
7998 (mips_expand_builtin_direct): Add one parameter to indicate that
7999 builtin functions need to return a value.
8000 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
8001 functions.
8002 (mips_regno_to_class): Add classes for 12 new DSP registers.
8003 (mips_subword): Change to check four HI registers.
8004 (mips_output_move): Output move to and from 6 new DSP accumulators.
8005 (override_options): Make sure -mdsp and -mips16 are not used together.
8006 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
8007 for machine modes.
8008 (mips_conditional_register_usage): Disable 6 new DSP accumulators
8009 when !TARGET_DSP.
8010 (print_operand): Add 'q' for printing DSP accumulators.
8011 (mips_cannot_change_mode_class): Check ACC_REGS.
8012 (mips_secondary_reload_class): Check ACC_REGS.
8013 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
8014 (mips_register_move_cost): Check ACC_REGS.
8015 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
8016 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
8017 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
8018 (dsp_bdesc): New array.
8019 (bdesc_arrays): Add DSP builtin function table.
8020 (mips_prepare_builtin_arg): Check predicate again after
8021 copy_to_mode_reg.
8022 (mips_expand_builtin): Add one more parameter to
8023 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
8024 MIPS_BUILTIN_BPOSGE32.
8025 (mips_init_builtins): Initialize new function types.
8026 (mips_expand_builtin_direct): Check if builtin functions need to
8027 return a value and pass operands properly.
8028 (mips_expand_builtin_bposge): New function.
8029 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
8030 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
8031 (FIRST_PSEUDO_REGISTER): Increase to 188.
8032 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
8033 Update for 12 new DSP registers.
8034 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
8035 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
8036 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
8037 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
8038 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
8039 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
8040 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
8041 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
8042 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
8043 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
8044 (REGISTER_NAMES): Add names for 12 new DSP registers.
8045 * config/mips/mips.md: Include mips-dsp.md.
8046 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
8047 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
8048 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
8049 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
8050 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
8051 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
8052 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
8053 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
8054 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
8055 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
8056 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
8057 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
8058 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
8059 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
8060 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
8061 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
8062 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
8063 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
8064 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
8065 (UNSPEC_RDDSP): New constants.
8066 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
8067 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
8068 A<-d alternative.
8069 * config/mips/mips.opt (-mdsp): New option.
8070 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
8071 (reg_imm10_operand): New predicates.
8072 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
8073 * doc/invoke.texi (-mdsp): Document new option.
8075 2005-07-22 DJ Delorie <dj@redhat.com>
8077 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
8078 to warning calls.
8079 * tree-inline.c (inlinable_function_p): Likewise.
8081 2005-07-22 Mark Mitchell <mark@codesourcery.com>
8083 PR debug/21828
8084 * toplev.c (check_global_declarations): Do not mark undefined
8085 variables as DECL_IGNORED_P.
8086 * varasm.c (first_global_object_name): GTY it.
8087 (weak_global_object_name): Likewise.
8088 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
8089 a string to go into {weak,first}_global_object_name.
8091 2005-07-22 DJ Delorie <dj@redhat.com>
8093 * c-format.c (check_function_format): Change warning control
8094 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
8096 2005-07-22 Diego Novillo <dnovillo@redhat.com>
8098 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
8099 &PTR->FLD a dereference of PTR.
8100 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
8101 a potential dereference of PTR.
8103 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
8105 PR rtl-optimization/20370
8106 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
8107 call allocate_reg_info if necessary.
8109 PR rtl-optimization/21848
8110 * calls.c (emit_library_call_value_1): For const functions, add
8111 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
8113 PR rtl-optimization/22445
8114 * cselib.c (target.h): Include.
8115 (rtx_equal_for_cselib_p): Allow commutative matches.
8116 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
8117 Remove MODE parameter. Changed all callers.
8119 PR rtl-optimization/22258
8120 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
8121 New functions.
8122 (try_combine): Use likely_spilled_retval_p.
8124 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
8126 * config.gcc: Add crx-elf support.
8128 * doc/contrib.texi: Mention crx.
8129 * doc/extend.texi: Document crx extensions.
8130 * doc/install.texi: Document crx install.
8131 * doc/invoke.texi: Document crx options.
8132 * doc/md.texi: Document crx constraints.
8134 * config/crx/crx-protos.h: New file.
8135 * config/crx/crx.c: New file.
8136 * config/crx/crx.h: New file.
8137 * config/crx/crx.md: New file.
8138 * config/crx/crx.opt: New file.
8139 * config/crx/t-crx: New file.
8141 2005-07-22 Manfred Hollstein <mh@suse.com>
8143 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
8144 warnings.
8145 (int_add_graph_edge): Likewise.
8146 (collapse_nodes): Likewise.
8147 (process_unification_queue): Likewise.
8149 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8150 Laurent GUERBY <laurent@guerby.net>
8152 PR tree-optimization/22336
8153 * function.c (record_block_change): Check for
8154 cfun->ib_boundaries_block.
8156 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
8158 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
8159 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
8161 2005-07-21 DJ Delorie <dj@redhat.com>
8163 * toplev.c (warn_deprecated_use): Add warning control to warning
8164 call.
8165 * c-typeck.c (parser_build_binary_op): Likewise.
8166 (c_finish_if_stmt): Likewise.
8167 * c-common.c (check_function_sentinel): Likewise.
8168 (check_nonnull_arg): Likewise.
8170 2005-07-21 Richard Henderson <rth@redhat.com>
8172 PR tree-opt/22504
8173 * tree-complex.c (complex_ssa_name_components): New.
8174 (cvc_lookup): Allow entry not found.
8175 (create_components): Remove.
8176 (create_one_component_var, get_component_var): New.
8177 (get_component_ssa_name, set_component_ssa_name): New.
8178 (extract_component): Use get_component_ssa_name.
8179 (update_complex_components): Use set_component_ssa_name.
8180 (update_complex_components_on_edge): Likewise.
8181 (update_phi_components): Create new PHI nodes directly, instead
8182 of adding insns to edges.
8183 (tree_lower_complex): Allocate and free complex_variable_components
8184 and complex_ssa_name_components here.
8186 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
8188 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
8189 revert to returning false.
8191 2005-07-21 Uros Bizjak <uros@kss-loka.si>
8193 PR target/21149
8194 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
8196 2005-07-21 Uros Bizjak <uros@kss-loka.si>
8198 PR target/22576
8199 * config/i386/i386.md (cmpxf): Change operand constraints
8200 to "nonmemory_operand".
8202 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
8204 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
8206 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
8208 PR middle-end/21180
8209 * fold-const.c (fold_build1): Add checksum for the operands.
8210 (fold_build2): Likewise.
8211 (fold_build3): Likewise.
8213 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
8215 PR middle-end/19055
8216 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
8218 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
8220 * common.opt (-fforward-propagate): Committed by mistake,
8221 removed.
8223 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8225 * reg-stack.c: Fix comment typo(s).
8226 * tree-ssa-operands.c: Likewise.
8227 * tree-vectorizer: Likewise.
8229 2005-07-21 Nick Clifton <nickc@redhat.com>
8231 * config/sh/symbian.c: Replace C++ style line comments with C
8232 style line comments.
8233 (symbian_add_attribute): Do not use a ? operator on the LHS of
8234 an assignment.
8235 (sh_symbian_handle_dll_attribute): Change the type of the
8236 method vector to "VEC(tree,gc)*" and use vector accessor
8237 macros to walk over the elements.
8238 (symbian_export_vtable_and_rtti_p): Likewise.
8239 (symbian_class_needs_attribute_p): Likewise.
8241 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
8243 PR target/22085
8244 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
8245 initialize targetm.resolve_overloaded_builtin here.
8246 (altivec_expand_overloaded_builtin): Make it non-static.
8247 * config/rs6000/rs6000-protos.h
8248 (altivec_expand_overloaded_builtin): New prototype.
8249 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
8250 targetm.resolve_overloaded_builtin here.
8251 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
8253 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
8254 Zdenek Dvorak <dvorakz@suse.cz>
8256 PR tree-optimization/19210
8257 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
8258 New.
8259 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
8260 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
8261 rely on unproven assumptions.
8262 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
8263 * tree-flow.h (number_of_iterations_exit): Add final parameter.
8264 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
8265 to number_of_iterations_exit.
8266 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
8267 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
8268 * tree-ssa-loop-niter.c (find_loop_niter,
8269 estimate_numbers_of_iterations_loop): Likewise.
8270 (number_of_iterations_exit): Honor the new options.
8271 * doc/invoke.texi (Wunsafe-loop-optimizations,
8272 funsafe-loop-optimizations): Document them.
8274 2005-07-21 Richard Sandiford <richard@codesourcery.com>
8276 PR rtl-optimization/22167
8277 * gcse.c (hoist_code): Fix hoist_exprs[] check.
8279 2005-07-20 Adam Nemet <anemet@lnxw.com>
8281 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
8282 __do_global_dtors_aux longcall.
8284 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
8286 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
8287 (old_special_pred_table): Don't reference
8288 SPECIAL_MODE_PREDICATES.
8289 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
8290 * config/arc/arc.h: Don't mention PREDICATE_CODES.
8291 * config/sh/predicates.h: Don't mention
8292 SPECIAL_MODE_PREDICATES.
8293 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
8294 Remove.
8296 2005-07-20 DJ Delorie <dj@redhat.com>
8298 * config.gcc: Add m32c-elf support.
8300 * doc/contrib.texi: Mention m32c.
8301 * doc/extend.texi: Document m32c extensions.
8302 * doc/install.texi: Mention m32c.
8303 * doc/invoke.texi: Document m32c options.
8304 * doc/md.texi: Document m32c constraints.
8306 * config/m32c/addsub.md: New file.
8307 * config/m32c/bitops.md: New file.
8308 * config/m32c/cond.md: New file.
8309 * config/m32c/jump.md: New file.
8310 * config/m32c/m32c-lib1.S: New file.
8311 * config/m32c/m32c-lib2.c: New file.
8312 * config/m32c/m32c-modes.def: New file.
8313 * config/m32c/m32c-pragma.c: New file.
8314 * config/m32c/m32c-protos.h: New file.
8315 * config/m32c/m32c.abi: New file.
8316 * config/m32c/m32c.c: New file.
8317 * config/m32c/m32c.h: New file.
8318 * config/m32c/m32c.md: New file.
8319 * config/m32c/m32c.opt: New file.
8320 * config/m32c/minmax.md: New file.
8321 * config/m32c/mov.md: New file.
8322 * config/m32c/muldiv.md: New file.
8323 * config/m32c/predicates.md: New file.
8324 * config/m32c/prologue.md: New file.
8325 * config/m32c/shift.md: New file.
8326 * config/m32c/t-m32c: New file.
8328 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
8330 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8331 (stack_protect_set, stack_protect_test): New expanders.
8332 (stack_protect_set_si, stack_protect_set_si_media,
8333 stack_protect_set_di_media, stack_protect_test_si,
8334 stack_protect_test_si_media, stack_protect_test_di_media):
8335 New insns.
8337 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
8339 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
8341 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
8343 * tree.h (tree_expr_nonzero_p): Export.
8344 * fold-const.c (tree_expr_nonzero_p): Likewise.
8345 Return true for CALL_EXPRs that are alloca calls.
8346 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
8347 against zero.
8348 * tree-flow.h (expr_computes_nonzero): Remove.
8349 * tree-vrp.c (expr_computes_nonzero): Remove.
8350 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
8351 (extract_range_from_unary_expr): Likewise.
8352 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
8353 tree_expr_nonzero_p.
8355 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
8357 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
8358 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
8359 extra arg "picreg" and use it instead of pic_offset_table_rtx.
8360 All callers changed.
8361 (frame_related_constant_load): New arg "related" which controls
8362 setting of RTX_FRAME_RELATED_P. All callers changed.
8363 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
8364 (bfin_expand_prologue): Add stack limit checking.
8365 * config/bfin/bfin.md (trapifcc): New pattern.
8367 * config/bfin/bfin.c: Include "langhooks.h".
8368 (def_builtin): Go through lang_hooks to call builtin_function.
8370 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
8371 * config/bfin/predicates.md (symbol_ref_operand): New.
8372 (call_insn_operand): Delete. All callers changed to use
8373 register_no_elim_operand.
8374 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
8375 call_cookie field.
8376 (function_arg): Use it to generate the call's operand 2.
8377 (bfin_longcall_p): New function.
8378 (bfin_expand_call): Extra arg "cookie". All callers and declaration
8379 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
8380 determine if the address needs to be in a REG.
8381 (bfin_handle_longcall_attribute): New function.
8382 (bfin_attribute_table): Add "longcall" and "shortcall".
8383 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
8384 (CUMULATIVE_ARGS): New member call_cookie.
8385 (PREDICATE_CODES): Add symbol_ref_operand.
8386 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
8387 extra USE to the pattern.
8388 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
8389 New patterns, split off call_insn, sibcall_insn, call_value_insn and
8390 sibcall_value_insn; now the new patterns handle direct calls and the
8391 old ones indirect calls.
8392 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
8394 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
8396 * doc/trouble.texi: Update section on handling of empty loops.
8398 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
8400 * config.gcc: Remove support for sparc-*-openbsd*,
8401 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
8402 ns32k-*-netbsd*.
8403 * config.host: Remove support for i860-*-sysv4* as a host.
8404 * config/i860/*, config/ip2k/*, config/ns32k/*,
8405 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
8406 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
8407 mention obsolete ports.
8409 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
8411 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
8412 soft frame pointer.
8413 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
8414 of frame_pointer_rtx.
8415 (sh_expand_epilogue): Likewise.
8416 (sh_set_return_address): Likewise.
8417 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
8418 instead of FRAME_POINTER_REGNUM if needed. Add elimination
8419 offsets from FRAME_POINTER_REGNUM.
8420 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
8421 (sh_register_names): Add initializer for sfp.
8422 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
8423 (VALID_REGISTER_P): Likewise.
8424 (FIRST_PSEUDO_REGISTER): Update.
8425 (DWARF_FRAME_REGISTERS): Define.
8426 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
8427 (HARD_FRAME_POINTER_REGNUM): Define.
8428 (FRAME_POINTER_REGNUM): Redefine.
8429 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
8430 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
8431 from FRAME_POINTER_REGNUM.
8432 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
8433 FRAME_POINTER_REGNUM.
8434 (REG_CLASS_CONTENTS): Add sfp.
8435 (REG_ALLOC_ORDER): Likewise.
8436 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
8437 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
8438 of frame_pointer_rtx.
8439 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
8441 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
8443 * fold-const.c (tree_expr_nonnegative_p): Only return true for
8444 ABS_EXPR when flag_wrapv is false because of INT_MIN.
8445 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
8446 of an ABS_EXPR.
8447 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
8448 ABS_EXPR<x>.
8450 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
8452 Make CONSTRUCTOR use VEC to store initializers.
8453 * c-common.c (complete_array_type): Update to cope with VEC in
8454 CONSTRUCTOR_ELTS.
8455 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
8456 (pp_c_constructor_elts): New function.
8457 * c-pretty-print.h (pp_c_constructor_elts): Declare.
8458 * c-typeck.c (build_function_call, build_c_cast, digest_init,
8459 struct constructor_stack, struct initializer_stack,
8460 constructor_elements, push_init_level, pop_init_level,
8461 add_pending_init, find_init_member, output_init_element): Update to
8462 cope with VEC in CONSTRUCTOR_ELTS.
8463 * coverage.c (build_fn_info_value, build_ctr_info_value,
8464 build_gcov_info): Likewise.
8465 * expr.c (categorize_ctor_elements_1, store_constructor,
8466 expand_expr_real_1): Likewise.
8467 * fold-const.c (fold_ternary): Likewise.
8468 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
8469 gimplify_init_constructor, gimplify_expr): Likewise.
8470 * tree-dump.c (dequeue_and_dump): Likewise.
8471 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
8472 node.
8473 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
8474 CONSTRUCTOR_ELTS.
8475 * tree-sra.c (generate_element_init_1): Likewise.
8476 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
8477 * tree-ssa-operands.c (get_expr_operands): Likewise.
8478 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
8479 * tree-vect-transform.c (vect_get_vec_def_for_operand):
8480 (get_initial_def_for_reduction): Likewise.
8481 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
8482 value handle in annotations.
8483 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
8484 tree_node_structure): Add support for constr_kind.
8485 (build_vector_from_ctor, build_constructor_single,
8486 build_constructor_from_list): New functions.
8487 (build_constructor): Update to take a VEC instead of a TREE_LIST.
8488 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
8489 Update to cope with VEC in CONSTRUCTOR_ELTS.
8490 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
8491 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
8492 CONSTRUCTOR_APPEND_ELT): New macros.
8493 (struct constructor_elt, struct tree_constructor): New data types.
8494 (union tree_node): Add tree_constructor field.
8495 * treestruct.def: Define TS_CONSTRUCTOR.
8496 * varasm.c (const_hash_1, compare_constant, copy_constant,
8497 compute_reloc_for_constant, output_addressed_constants,
8498 initializer_constant_valid_p, output_constant,
8499 array_size_for_constructor, output_constructor): Update to cope with
8500 VEC in CONSTRUCTOR_ELTS.
8501 * vec.h (VEC_empty, VEC_copy): New macros.
8503 2005-07-19 Devang Patel <dpatel@apple.com>
8505 * dbxout.c (dbxout_type): Check Objective-C++ lang.
8507 2005-07-19 Richard Henderson <rth@redhat.com>
8509 PR tree-opt/22278
8510 * gimplify.c (gimplify_expr): Use main variant type for the temp
8511 destination for a discarded volatile read.
8512 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
8513 casts between non-void types that change volatility.
8515 2005-07-15 DJ Delorie <dj@redhat.com>
8517 * toplev.h: Add comment about the first parameter for warning().
8518 * errors.h: Likewise.
8520 * c.opt (Wpragmas): New.
8521 * doc/invoke.texi: Document it.
8523 * function.c (do_warn_unused_parameter): Add warning control to
8524 warning call.
8525 * c-decl.c (warn_if_shadowing): Likewise.
8526 * c-lex.c (cb_def_pragma): Likewise.
8527 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
8528 (pop_alignment): Likewise.
8529 (handle_pragma_pack): Likewise.
8530 (apply_pragma_weak): Likewise.
8531 (handle_pragma_weak): Likewise.
8532 (handle_pragma_redefine_extname): Likewise.
8533 (add_to_renaming_pragma_list): Likewise.
8534 (handle_pragma_extern_prefix): Likewise.
8535 (maybe_apply_renaming_pragma): Likewise.
8536 (handle_pragma_visibility): Likewise.
8538 * config/c4x/c4x-c.c (BAD): Likewise.
8539 (c4x_parse_pragma): Likewise.
8540 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
8541 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
8542 (rs6000_pragma_longcall): Likewise.
8543 * config/v850/v850-c.c (pop_data_area): Likewise.
8544 (ghs_pragma_section): Likewise.
8545 (ghs_pragma_section): Likewise.
8546 (ghs_pragma_interrupt): Likewise.
8547 (ghs_pragma_starttda): Likewise.
8548 (ghs_pragma_startsda): Likewise.
8549 (ghs_pragma_startzda): Likewise.
8550 (ghs_pragma_endtda): Likewise.
8551 (ghs_pragma_endsda): Likewise.
8552 (ghs_pragma_endzda): Likewise.
8554 2005-07-19 Danny Berlin <dberlin@dberlin.org>
8555 Kenneth Zadeck <zadeck@naturalbridge.com>
8557 * Makefile.in: Removed tree-promote-statics.c
8558 * tree-promote-statics.c: Removed.
8559 * common.opt: Removed flag-promote-statics.
8560 * opts.c: Ditto.
8561 * passes.c: Removed tree-promote-statics pass.
8562 * tree-pass.h: Ditto.
8563 * timevar.def: Removed TV_PROMOTE_STATICS.
8566 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
8568 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
8569 and *-*-freebsd9.
8570 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
8572 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8574 PR c/22476
8575 * c-common.c (check_function_arguments): Call
8576 'check_function_format' if either -Wformat or
8577 -Wmissing-format-attribute are specified.
8578 * c-format.c (check_function_format): Check -Wformat before
8579 calling 'check_format_info'.
8580 * c-opts.c (c_common_post_options): Don't warn for
8581 -Wmissing-format-attribute without -Wformat.
8582 * c-typeck.c (convert_for_assignment): Detect additional cases for
8583 -Wmissing-format-attribute.
8584 * doc/invoke.texi (-Wmissing-format-attribute): Document new
8585 behavior.
8587 2005-07-19 Richard Guenther <rguenther@suse.de>
8589 * config/i386/i386.md (lrint<mode>2): Use temporary
8590 instead of clobbering non-existent memory.
8592 2005-07-19 Nick Clifton <nickc@redhat.com>
8594 * config/avr/avr.c (legitimate_address_p): Fix debugging print
8595 statement to avoid displaying ASCII control characters.
8597 2005-07-19 Ben Elliston <bje@au.ibm.com>
8599 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
8600 * cfganal.c (find_edge_index): Ditto.
8601 * combine.c (combine_instructions): Ditto.
8602 * ddg.c (create_scc): Ditto.
8603 (find_successors): Ditto.
8604 (find_predecessors): Ditto.
8605 (find_nodes_on_paths): Ditto.
8606 (longest_simple_path): Ditto.
8607 * flow.c (update_life_info): Ditto.
8608 (count_or_remove_death_notes): Ditto.
8609 (clear_log_links): Ditto.
8610 * modulo-sched.c (generate_reg_moves): Ditto.
8611 (find_max_asap): Ditto.
8612 (find_max_hv_min_mob): Ditto.
8613 (find_max_dv_min_mob): Ditto.
8614 * sbitmap.c (sbitmap_first_set_bit): Ditto.
8615 * sched-rgn.c (extract_edgelst): Ditto.
8616 * tree-into-ssa.c (prepare_names_to_update): Ditto.
8617 (dump_update_ssa): Ditto.
8618 (ssa_names_to_replace) Ditto.
8619 (switch_virtuals_to_full_rewrite): Ditto.
8620 (update_ssa): Ditto.
8621 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
8623 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
8625 Fix PR tree-optimization/22483
8627 * tree-complex.c (create_components): Use
8628 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
8629 * tree-flow-inline.h (fill_referenced_var_vec): New function.
8630 * tree-flow.h (safe_referenced_var_iterator): New structure.
8631 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
8632 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
8633 safe_referenced_var iterator.
8634 (add_type_alias): Ditto.
8636 2005-07-19 Steven Bosscher <stevenb@suse.de>
8638 * loop-init.c (rest_of_handle_loop2): Remove.
8639 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
8640 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
8641 (pass_rtl_loop_init, pass_rtl_loop_done,
8642 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
8643 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
8644 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
8645 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
8646 pass_tree_loop_done, and pass_tree_unswitch.
8647 (gate_loop): Rename to gate_tree_loop.
8648 * passes.c (init_optimization_passes): Update for renamed tree
8649 loop passes. Add the new loop2 passes as subpasses of loop2.
8650 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
8651 Update for the renamed tree loop passes.
8653 2005-07-18 Ian Lance Taylor <ian@airs.com>
8655 PR middle-end/22057
8656 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
8657 blocks when optimizing.
8659 2005-07-18 Steve Ellcey <sje@cup.hp.com>
8661 * common.opt (frename-registers): Initialize to 2.
8662 (fweb): Ditto.
8663 (fgcse-after-reload): Ditto.
8664 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
8665 (process_options): Only change flag_web, flag_rename_registers,
8666 and flag_rerun_cse_after_loop if not explicitly set by user.
8668 2005-07-18 Jan Beulich <jbeulich@novell.com>
8670 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
8671 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
8672 in 64-bit mode the same as DImode in 32-bit mode.
8673 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
8674 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
8675 mode. Add new mode parameter.
8676 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
8677 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
8678 x86_64_shift_adj): New expanders.
8679 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
8680 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
8681 insns.
8682 Respective new splitters. Use renamed shift splitter helpers in 32-bit
8683 DImode shift splitters.
8684 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
8685 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
8686 mode parameter.
8688 2005-07-18 Jan Beulich <jbeulich@novell.com>
8690 * i386.md (movdi_extzv_1): New.
8691 (zero_extendhidi2): Combine alternatives and never force use of
8692 REX64 prefix.
8693 (zero_extendqidi2): Likewise. Don't restrict input selection.
8695 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8697 Fix PR tree-optimization/22531
8698 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
8699 moment.
8701 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8703 * tree-promote-statics.c (pass_promote_statics): Change dump file
8704 name.
8706 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
8708 * tree-optimize.c (init_tree_optimization_passes): Add
8709 pass_eliminate_useless_stores pass.
8710 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
8711 * tree-ssa-pre.c (is_copy_stmt): New function.
8712 (follow_copies_till_vuse): Ditto.
8713 (do_eustores): Ditto.
8714 (gate_eustores): Ditto.
8716 2005-07-16 Richard Henderson <rth@redhat.com>
8718 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
8720 2005-07-16 Danny Berlin <dberlin@dberlin.org>
8721 Kenneth Zadeck <zadeck@naturalbridge.com>
8723 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
8724 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
8725 ipa-type-escape.h, tree-promote-statics.c
8726 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
8727 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
8728 tree-promote-statics.c: new files.
8729 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
8730 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
8731 int nonlocal_set_p, mark_constant_function): Deleted.
8732 (rest_of_handle_cfg): Removed call to mark_constant_function.
8733 (nonoverlapping_component_refs_p): Added calls to support
8734 type based aliasing.
8735 * tree-ssa-alias.c (may_alias_p,
8736 compute_flow_insensitive_aliasing): Ditto.
8737 * calls.c (flags_from_decl_or_type): Removed reference to
8738 cgraph_rtl_info.
8739 * c-typeck.c (convert_arguments): Make builtins tolerant of having
8740 too many arguments. This is necessary for Spec 2000.
8741 * cgraph.h (const_function, pure_function): Removed.
8742 * common.opt: Added "fipa-pure-const", "fipa-reference",
8743 "fipa-type-escape", and "ftree-promote-static".
8744 * opts.c: Ditto.
8745 * passes.c: Added ipa and tree-promote-statics passes.
8746 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
8747 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
8748 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
8749 * tree-flow.h: Added exposed sra calls and addition of
8750 reference_vars_info field for FUNCTION_DECLS.
8751 * tree-pass.h: Added passes.
8752 * tree-sra.c: (sra_init_cache): New function.
8753 (sra_insert_before, sra_insert_after) Made public.
8754 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
8755 and made public.
8756 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
8757 aliasing. (may_alias_p): Added code to use type escape analysis to
8758 improve alias sets.
8759 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
8760 code to prune clobbers of static variables based on information
8761 produced in ipa-reference pass. Changed call clobbering so that
8762 statics are not marked as clobbered if the call does not clobber
8763 them.
8765 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
8767 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
8768 too.
8770 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8772 * doc/install.texi (*-*-solaris2*): Document recommended version
8773 of GNU binutils and mention GNU linker problem on Solaris 10.
8775 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
8777 PR c/22421
8778 * c-decl.c (c_build_bitfield_integer_type): New function.
8779 (finish_struct): Call it.
8780 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
8782 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8784 * c-typeck.c (digest_init): Call 'convert_for_assignment'
8785 before returning.
8787 2005-07-16 Jan Hubicka <jh@suse.cz>
8789 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
8790 (scale_bbs_frequencies_int): Watch roundoff errors.
8791 * predict.c (return_prediction): Initialize return_stmt.
8793 2005-07-16 Jan Hubicka <jh@suse.cz>
8795 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
8796 after RTL profiling.
8798 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
8800 PR middle-end/22398
8801 * fold-const.c (build_range_check): Convert high/low to etype
8802 if we are only comparing against exp.
8804 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
8806 Fix PR tree-optimization/22376
8807 * tree-ssa-structalias.c (build_constraint_graph): We really meant
8808 special var here.
8809 (need_to_solve): New function.
8810 (compute_points_to_sets): Use it.
8812 2005-07-15 Jan Hubicka <jh@suse.cz>
8814 * cfg.c (update_bb_profile_for_threading): More diagnostic.
8815 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
8817 2005-07-15 Richard Guenther <rguenther@suse.de>
8819 * c-common.c (handle_flatten_attribute): New function.
8820 Add flatten function attribute.
8821 * doc/extend.texi: Document flatten function attribute.
8822 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
8823 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
8824 New functions.
8825 (cgraph_decide_inlining): Handle functions with flatten
8826 attribute.
8828 2005-07-14 David Edelsohn <edelsohn@gnu.org>
8830 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
8831 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
8832 UNSPEC_XCHG, UNSPEC_AND): New.
8833 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
8834 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
8835 * config/rs6000/sync.md (FETCHOP): New code macro.
8836 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
8837 New code attrs.
8838 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
8839 (sync_compare_and_swap<mode>): Same.
8840 (sync_lock_test_and_set<mode>): Same.
8841 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
8842 for QImode and HImode, and not PPC405.
8843 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
8844 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
8845 (sync_<fetchop>{si,di}_internal): New.
8846 (sync_nand{si,di}_internal): New.
8847 (sync_old_<fetchop>{si,di}_internal): New.
8848 (sync_old_nand{si,di}_internal): New
8849 (sync_new_<fetchop>{si,di}_internal): New.
8850 (sync_new_nand{si,di}_internal): New.
8851 (atomic_and{si,di}): New.
8852 (sync_new_nand{si,di}_internal): New.
8853 (atomic_and{si,di}): New.
8854 (sync_add<mode>_internal): Delete.
8855 (sync_addshort_internal): Use unspec instead of unspec_volatile.
8856 (sync_sub<mode>_internal): Delte.
8857 (sync_subshort_internal): New.
8858 (sync_andsi_internal): Use unspec instead of unspec_volatile.
8859 (sync_anddi_internal): Delete.
8860 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
8861 (sync_booldi_internal): Delete.
8862 (sync_boolc<mode>_internal): Delete.
8863 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
8864 (sync_boolc<mode>_internal2): Delete.
8865 (sync_boolcc<mode>_internal): Delete.
8866 (isync, lwsync): Use unspec instead of unspec_volatile.
8867 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
8868 Revert UNSPEC_VOLATILE.
8869 (rs6000_split_atomic_op): New.
8870 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
8872 2005-07-14 Eric Christopher <echristo@redhat.com>
8874 * config/mips/mips.c (mips_canonicalize_comparison): Cast
8875 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
8877 2005-07-14 Eric Christopher <echristo@redhat.com>
8879 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
8881 2005-07-14 Steven Bosscher <stevenb@suse.de>
8883 PR tree-optimization/22230
8884 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
8885 the computation of the four cross productions for "range op range".
8887 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
8888 Ulrich Weigand <uweigand@de.ibm.com>
8890 PR target/20126
8891 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
8892 in some insn.
8894 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8896 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
8898 2005-07-14 Steve Ellcey <sje@cup.hp.com>
8900 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
8902 2005-07-14 Richard Guenther <rguenther@suse.de>
8904 PR middle-end/22347
8905 * config/i386/i386-protos.h (ix86_function_value): Change
8906 prototype to match new target hook.
8907 * config/i386/i386.c (ix86_value_regno): Change prototype
8908 to take extra type argument.
8909 (TARGET_FUNCTION_VALUE): Define.
8910 (ix86_function_ok_for_sibcall): Pass extra argument to
8911 ix86_value_regno, check return slot rtx for exact match.
8912 (ix86_function_value): Take extra parameter. Dispatch to
8913 ix86_value_regno with fndecl/fntype as provided.
8914 (ix86_value_regno): Handle extra type argument.
8915 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
8917 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
8918 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
8919 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
8920 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
8921 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
8923 2005-07-14 Richard Guenther <rguenther@suse.de>
8925 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
8926 * calls.c (expand_call): Pass fntype to hard_function_value.
8927 (emit_library_call_value_1): Likewise.
8928 * explow.c: Include target.h.
8929 (hard_function_value): Take extra argument, the fntype.
8930 Use new target hook for function_value.
8931 * expr.h (hard_function_value): Change prototype.
8932 * function.c (aggregate_value_p): Pass 0 as fntype to
8933 hard_function_value.
8934 (assign_parms): Use new target hook for function_value.
8935 Pass 0 as fntype to hard_function_value.
8936 (expand_function_end): Likewise.
8937 * reg-stack.c: Include target.h.
8938 (stack_result): Use new target hook for function_value.
8939 * target-def.h: New target hook function_value.
8940 * target.h: Likewise.
8941 * targhooks.c (default_function_value): New function.
8942 * targhooks.h (default_function_value): Declare.
8944 2005-07-13 Ian Lance Taylor <ian@airs.com>
8946 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
8948 2005-07-14 Jan Hubicka <jh@suse.cz>
8950 * tree-dfa.c (dump_variable): Use default_def function.
8951 * tree-ssa-alias.c (dump_points_to_info): Likewise.
8952 * tree-ssa.c (verify_use): Likewise.
8953 * tree-ssanames.c (release_ssa_name): Likewise.
8954 * tree-tailcall.c (eliminate_tail_call): Likewise.
8955 (tree_optimize_tail_calls_1): Likewise.
8956 * tree-vrp.c (get_value_range): Likewise.
8958 2005-07-14 Ben Elliston <bje@au.ibm.com>
8960 * gcc.c (main): Compare language[0] with '*' when iterating over
8961 the infiles.
8963 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8965 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
8966 "s390_emit_compare". Add handling of CCZ1mode.
8967 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
8968 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
8969 checking.
8970 (s390_branch_condition_mask): Add CCZ1mode handling.
8971 * config/s390/s390.md: ("seq", "*seq"): New pattern.
8972 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
8973 Use CCZ1mode instead of CCZmode.
8974 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
8976 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
8978 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
8979 pattern.
8980 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
8982 2005-07-13 Eric Christopher <echristo@redhat.com>
8984 * config/mips/mips.c (mips_canonicalize_comparison): New.
8985 (mips_emit_int_relational): Use.
8987 2005-07-13 Eric Christopher <echristo@redhat.com>
8989 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
8990 static extra parts.
8991 * config/s390/s390.md: Include tpf.md. Move tpf specific
8992 patterns...
8993 * config/s390/tpf.md: To here.
8994 * config/s390/s390.opt: Move tpf specific options...
8995 * config/s390/tpf.opt: to here. Add mmain option.
8996 * config/s390/tpf-unwind.h: Remove unnecessary defines.
8997 * config/s390/tpf.h: Rewrite.
8999 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
9001 * doc/tm.texi: Remove @xref{Cross-profiling}.
9003 2005-07-13 Jeff Law <law@redhat.com>
9005 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
9006 expressions, test their _DECL operands for pointer equality rather
9007 than using operand_equal_p.
9009 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
9011 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
9012 (TARGET_POSIX_IO): This.
9013 * config/darwin.h: Likewise.
9014 * config/freebsd.h: Likewise.
9015 * config/linux.h: Likewise.
9016 * config/lynx.h: Likewise.
9017 * config/netbsd.h: Likewise.
9018 * config/rs6000/linux64.h: Likewise.
9019 * config/rs6000/linux.h: Likewise.
9020 * config/s390/tpf.h: Likewise.
9021 * config/sh/embed-elf.h: Likewise.
9022 * config/sparc/linux64.h: Likewise.
9023 * config/sparc/linux.h: Likewise.
9024 * config/svr4.h: Likewise.
9025 * gcov-io.h: Likewise.
9027 * doc/tm.texi: Updated.
9029 * libgcov.c (create_file_directory): Defined only if
9030 TARGET_POSIX_IO is defined.
9031 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
9032 is defined.
9034 2005-07-13 Jan Hubicka <jh@suse.cz>
9036 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
9038 2005-07-13 David Edelsohn <edelsohn@gnu.org>
9040 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
9041 structure as argument.
9043 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
9045 PR tree-optimization/21921
9046 * tree-iterator.c (tsi_link_before): Support the case when
9047 tsi_end_p (tsi) == true.
9049 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
9051 PR tree-optimization/22442
9052 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
9053 correctly.
9055 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
9057 PR rtl-optimization/20376
9058 * toplev.c (process_options): Enable -fweb and -frename-registers when
9059 unrolling.
9060 * doc/invoke.texi: Update the information about when -fweb and
9061 -frename-registers are enabled.
9063 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
9065 PR tree-opt/21840
9066 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
9067 if *rhs_p is not a SSA_NAME.
9069 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
9071 Fix PR tree-optimization/22422
9072 * tree-ssa-structalias.c (struct variable_info): Add flag for
9073 special vars.
9074 (get_varinfo): Now a static function.
9075 (new_varinfo): init has_union and is_special_var to false.
9076 (solution_set_add): Check has_union.
9077 (do_da_constraint): Move temporary variable so it gets reset
9078 properly.
9079 Also check for special variable.
9080 (do_ds_constraint): Ditto.
9081 (do_sd_constraint): Ditto.
9082 (do_structure_copy): Check for special variable.
9083 (find_func_aliases): Ditto.
9084 (init_base_vars): Set special vars properly.
9086 2005-07-13 Jan Hubicka <jh@suse.cz>
9088 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
9089 do unit-at-a-time.
9091 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
9092 (get_expr_operands): Fix thinko wrt flags and subvars.
9094 PR tree-optimize/22379
9095 * tree-inline.c (expand_call_inline): Do not output sorry in early
9096 inlining.
9098 2005-07-12 Dale Johannesen <dalej@apple.com>
9100 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
9102 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
9104 PR bootstrap/21704
9105 * host-linux.h: Include limits.h.
9107 2005-07-12 Dale Johannesen <dalej@apple.com>
9109 * expr.c (compress_float_constant): Add cost check.
9110 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
9112 2005-07-12 Dale Johannesen <dalej@apple.com>
9114 * gcc.target/i386/compress-float-sse.c: New.
9115 * gcc.target/i386/compress-float-sse-pic.c: New.
9116 * gcc.target/i386/compress-float-387.c: New.
9117 * gcc.target/i386/compress-float-387-pic.c: New.
9118 * gcc.dg/compress-float-ppc.c: New.
9119 * gcc.dg/compress-float-ppc-pic.c: New.
9121 2005-07-12 Eric Christopher <echristo@redhat.com>
9123 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
9124 static extra parts.
9125 * config/s390/s390.md: Include tpf.md. Move tpf specific
9126 patterns...
9127 * config/s390/tpf.md: To here.
9128 * config/s390/s390.opt: Move tpf specific options...
9129 * config/s390/tpf.opt: to here. Add mmain option.
9130 * config/s390/tpf-unwind.h: Remove unnecessary defines.
9131 * config/s390/tpf.h: Rewrite.
9133 2005-07-12 Eric Christopher <echristo@redhat.com>
9135 * gcc.c (struct infile): Update comment for language.
9136 (main): Rewrite input file resetting code.
9138 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
9140 PR tree-opt/22335
9141 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
9142 requiring a cast in a non RHS of modify_expr. Add a cast when required.
9143 (lookup_avail_expr): Use constant_boolean_node instead
9144 of boolean_false_node/boolean_true_node.
9146 2005-07-12 Ben Elliston <bje@au.ibm.com>
9148 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
9149 and use it when printing num_edges.
9151 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
9153 * doc/extend.texi (Blackfin Built-in Functions): New section.
9154 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
9155 @opindex.
9157 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
9159 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
9160 s/cmpstrsi/cmpstrnsi
9161 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
9162 'cmpstrnsi'.
9163 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
9164 (init_optabs): Initialize cmpstrn_optab.
9165 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
9166 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
9167 * expr.c: (enum insn_code cmpstrn_optab): Declare.
9168 * config/i386/i386.md: s/cmpstr/cmpstrn
9169 * config/c4x/c4x.md: s/cmpstr/cmpstrn
9170 * doc/md.texi: Update documentation.
9172 2005-07-11 Richard Henderson <rth@redhat.com>
9174 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
9175 build_va_arg_indirect_ref.
9176 (alpha_gimplify_va_arg): Likewise.
9177 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
9178 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
9179 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
9180 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
9181 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
9182 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
9183 Likewise.
9184 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
9186 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
9188 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
9189 * passes.c (init_optimization_passes): Add pass_empty_loop.
9190 * tree-pass.h (pass_empty_loop): Declare.
9191 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
9192 try_remove_empty_loop, remove_empty_loops): New functions.
9193 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
9194 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
9196 2005-07-12 Peter Barada <peter@the-baradas.com>
9198 PR middle-end/16719
9199 PR middle-end/18421
9200 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
9201 in address registers.
9202 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
9203 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
9204 alternative of addsi3_5200.
9206 2005-07-11 Ian Lance Taylor <ian@airs.com>
9208 * config/mips/mips.md (ffs<mode>2): Remove.
9210 2005-07-11 Ian Lance Taylor <ian@airs.com>
9212 * doc/tree-ssa.texi (Cleanups): Improve description of
9213 TRY_FINALLY_EXPR.
9214 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
9216 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
9218 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
9219 * tree.h (DECL_ARGUMENT_FLD): New macro.
9221 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
9223 Fix PR tree-optimization/22404
9225 * tree-ssa-structalias.c (create_variable_info_for): Use
9226 correct offset.
9228 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
9230 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
9231 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
9232 for second comparison operand.
9233 * config/bfin/predicates.md (reg_or_const_int_operand): New.
9235 * config/bfin/bfin.md (define_attr "type"): Add "sync".
9236 (define_insn_reservation "alu"): Likewise.
9237 (csync, ssync): Now of type sync.
9238 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
9239 -mcsync-anomaly -mspecld-anomaly.
9240 * config/bfin/bfin.opt (mcsync): Remove.
9241 (mcsync-anomaly, mspecld-anomaly): Add.
9242 * config/bfin/bfin.c: Include "insn-codes.h".
9243 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
9244 (TARGET_DEFAULT_TARGET_FLAGS): New.
9245 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
9247 2005-07-11 Steven Bosscher <stevenb@suse.de>
9249 * basic-block.h: Give the BB flags enum a name, bb_flags.
9250 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
9251 * cfgcleanup.c (enum bb_flags): Remove here.
9252 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
9253 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
9254 (update_forwarder_flag): Likewise.
9255 (thread_jump): Likewise.
9256 (try_forward_edges): Likewise.
9257 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
9258 forwarder flags. Don't clear bb->aux for all basic blocks. Only
9259 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
9261 2005-07-11 Richard Guenther <rguenther@suse.de>
9263 * config/i386/i386.opt: New target option -msseregparm.
9264 * config/i386/i386.c (override_options): Error out for
9265 -msseregparm but no SSE support.
9266 (ix86_function_sseregparm): Check for global sseregparm.
9267 * doc/invoke.texi: Document -msseregparm.
9269 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9271 * config.gcc (m32r-*-linux*): Use the default extra_parts.
9272 (m32rle-*-linux*): Ditto.
9274 2005-07-11 Jakub Jelinek <jakub@redhat.com>
9276 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
9277 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
9278 bytes.
9280 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9282 PR middle-end/22239
9283 PR target/20126
9284 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
9285 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
9287 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
9289 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
9290 (varmap): Heapify varmap.
9291 (constraints): Heapify constraints.
9292 (struct constraint_graph): Heapify succs and preds.
9293 (constraint_vec_find): Update for heapification.
9294 (constraint_set_union): Ditto.
9295 (insert_into_complex): Ditto.
9296 (constraint_edge_vec_find): Ditto.
9297 (erase_graph_self_edge): Ditto.
9298 (add_graph_edge): Ditto.
9299 (get_graph_weights): Ditto.
9300 (merge_graph_nodes): Ditto.
9301 (build_constraint_graph): Ditto.
9302 (topo_visit): Ditto.
9303 (solve_graph): Ditto.
9304 (create_variable_info_for): Ditto.
9305 (init_base_vars): Ditto.
9306 (delete_points_to_sets): Free graph, varmap, and complex constraints.
9307 (condese_varmap_nodes): Free complex vector.
9308 (clear_edges_for_node): Clear succs and preds vector.
9310 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
9312 * tree-ssa-structalias.c (update_alias_info): Change counting of
9313 references to not include vdefs.
9315 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
9317 * tree-ssa-alias.c (free_used_part_map): Add missing free.
9318 (up_insert): Ditto.
9320 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9322 * pa.c (pa_commutative_p): Make PLUS commutative when
9323 TARGET_NO_SPACE_REGS is true.
9325 2005-07-09 Diego Novillo <dnovillo@redhat.com>
9327 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
9328 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
9329 * tree-dfa.c (dump_subvars_for): New.
9330 (debug_subvars_for): New.
9331 (dump_variable): Show subvariables if VAR has them.
9332 * tree-flow-inline.h (get_subvar_at): New.
9333 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
9334 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
9335 Update all users.
9336 (struct subvar): Change fields offset and size to unsigned
9337 HOST_WIDE_INT.
9338 (dump_subvars_for): Declare.
9339 (debug_subvars_for): Declare.
9340 (get_subvar_at): Declare.
9341 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
9342 to unsigned HOST_WIDE_INT *.
9343 (overlap_subvar): Likewise.
9344 * tree-gimple.c (is_gimple_reg): Always return false for
9345 SFTs and memory tags.
9346 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
9347 Update all callers.
9348 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
9349 (compute_may_aliases): Call compute_points_to_sets.
9350 (collect_points_to_info_for): Remove.
9351 (compute_points_to_and_addr_escape): Remove.
9352 (delete_alias_info): Call delete_points_to_sets.
9353 (compute_flow_sensitive_aliasing): If the call to
9354 find_what_p_points_to returns false, call set_pt_anything.
9355 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
9356 (set_pt_anything): Clear pi->pt_vars.
9357 (set_pt_malloc): Remove.
9358 (merge_pointed_to_info): Remove.
9359 (add_pointed_to_expr): Remove.
9360 (add_pointed_to_var): Remove.
9361 (collect_points_to_info_r): Remove.
9362 (is_escape_site): Make extern.
9363 (create_sft): New.
9364 (create_overlap_variables_for): Call it.
9365 * tree-ssa-copy.c (merge_alias_info): Never merge
9366 flow-sensitive alias information.
9367 * tree-ssa-operands.c (get_expr_operands): Adjust variables
9368 offset and size to be unsigned HOST_WIDE_INT.
9369 (add_to_addressable_set): Rename from note_addressable.
9370 Set TREE_ADDRESSABLE as the variables are added to the set.
9371 Update all users.
9372 (add_stmt_operand): Do not try to micro-optimize unmodifiable
9373 operands into VUSEs when adding V_MAY_DEFs for members in an
9374 alias set.
9375 * tree-ssa-operands.h (add_to_addressable_set): Declare.
9376 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
9377 (struct variable_info): Add bitfield is_heap_var.
9378 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
9379 (new_var_info): Initialize is_heap_var.
9380 (get_constraint_for): Add HEAP variables to the symbol table.
9381 Mark them with is_heap_var.
9382 (update_alias_info): New. Taken mostly from the old
9383 compute_points_to_and_addr_escape.
9384 (handle_ptr_arith): New.
9385 (find_func_aliases): Call update_alias_info.
9386 Call handle_ptr_info for tcc_binary expressions.
9387 Call mark_stmt_modified.
9388 (create_variable_info_for): If DECL has subvars, do not create
9389 variables for its subvars. Always add all the fields.
9390 (set_uids_in_ptset): If the solution includes ANYOFFSET and
9391 SFTs, then add all the SFTs of the structure.
9392 If VI->DECL is an aggregate with subvariables, add the SFT at
9393 VI->OFFSET.
9394 (find_what_p_points_to): If VI is an artificial variable,
9395 translate to bitfields in SSA_NAME_PTR_INFO.
9396 If the solution is empty, set pi->pt_vars to NULL
9397 (init_base_vars): Create ANYOFFSET.
9398 (compute_points_to_sets): Rename from create_alias_vars.
9399 Make extern.
9400 (pass_build_pta): Remove.
9401 (delete_points_to_sets): Rename from delete_alias_vars.
9402 (pass_del_pta): Remove.
9403 * tree-ssa-structalias.h (struct alias_info): Move from
9404 tree-ssa-alias.h.
9405 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
9406 NUM_REFERENCES_SET): Likewise.
9407 (compute_points_to_sets, delete_points_to_sets): Declare.
9409 2005-07-09 Richard Henderson <rth@redhat.com>
9411 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
9412 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
9413 alpha_split_lock_test_and_set_12): New functions.
9414 * config/alpha/alpha-protos.h: Update.
9415 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
9416 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
9417 * config/alpha/sync.md (I12MODE): New.
9418 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
9419 (sync_<fetchop_name><I48MODE>): Likewise.
9420 (sync_nand<I48MODE>): Likewise.
9421 (sync_old_<fetchop_name><I48MODE>): Likewise.
9422 (sync_new_<fetchop_name><I48MODE>): Likewise.
9423 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
9424 (sync_compare_and_swap<I48MODE>): Likewise.
9425 (sync_lock_test_and_set<I48MODE>): Likewise.
9426 (sync_compare_and_swap<I12MODE>): New.
9427 (sync_compare_and_swap<I12MODE>_1): New.
9428 (sync_lock_test_and_set<I12MODE>): New.
9429 (sync_lock_test_and_set<I12MODE>_1): New.
9431 2005-07-09 Diego Novillo <dnovillo@redhat.com>
9433 PR 21356
9434 PR 22332
9435 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
9437 2005-07-09 Jakub Jelinek <jakub@redhat.com>
9439 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
9440 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
9442 2005-07-09 Richard SAndiford <richard@codesourcery.com>
9444 PR target/21656
9445 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
9447 2005-07-08 David Edelsohn <edelsohn@gnu.org>
9449 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
9450 memory_operand constraint.
9451 (store_conditional_<mode>): Same.
9452 (sync_compare_and_swap<mode>): Same.
9453 (sync_lock_test_and_set<mode>): Same.
9455 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
9457 Rewrite PIC support to more closely model actual instructions.
9458 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
9459 (cris_symbol): Remove prototypes for removed functions.
9460 (cris_pic_symbol_type_of, cris_valid_pic_const)
9461 (cris_expand_pic_call_address): Prototypes for new functions.
9462 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
9463 variable.
9464 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
9465 modifiers.
9466 <case ':'>: Add case for new punctuation character.
9467 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
9468 emitting (extra) PIC modifier.
9469 <case UNSPEC>: Do not assert for PLT.
9470 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
9471 (cris_expand_prologue, cris_expand_epilogue): Check
9472 for pic_offset_table_rtx usage instead of taking
9473 current_function_uses_pic_offset_table as the final word.
9474 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
9475 Remove flag_pic difference.
9476 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
9477 the moral equivalents of...
9478 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
9479 functions.
9480 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
9481 (cris_handle_option): Mark ARG as unused.
9482 (cris_expand_pic_call_address): New worker function for "call",
9483 "call_value".
9484 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
9485 output PIC constructs here.
9486 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
9487 as symbol-specific modifers, not whole or part of operands.
9488 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
9489 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
9490 constants and flag_pic.
9491 (CONSTANT_INDEX_P): Adjust for new functions.
9492 (enum cris_pic_symbol_type): New helper type.
9493 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
9494 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
9495 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
9496 define_constants.
9497 ("movsi"): Emit actual instructions for GOT and relative access.
9498 ("*movsi_got_load"): New pattern to set up the register holding
9499 the GOT pointer.
9500 ("*movsi_internal"): Operand 1 is not a plain general_operand.
9501 Adjust FIXME for 'S'.
9502 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
9503 Use "movs" for -fpic cases.
9504 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
9505 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
9506 ("call", "call_value"): Just call cris_expand_pic_call_address for
9507 PIC addresses.
9508 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
9509 Remove special pattern.
9510 ("*expanded_call_side", "*expanded_call_value_side"): New
9511 patterns.
9512 (gotplt-to-plt, gotplt-to-plt-side-call)
9513 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
9514 peephole2:s.
9515 * config/cris/cris/predicates.md
9516 ("cris_general_operand_or_gotless_symbol"): Remove unused
9517 predicate.
9518 ("cris_general_operand_or_symbol"): Adjust for new functions.
9520 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9522 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
9524 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
9526 * Makefile.in (TREE_H): Add treestruct.def.
9527 (c-decl.o): Add pointer-set.h
9528 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
9529 visibility on regular DECL's.
9530 (merge_decls): Fix the copying of decl nodes of various types for
9531 the new structures. Don't update RTL, section name, weak status,
9532 etc, on DECL's without RTL.
9533 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
9534 Don't check volatile on non-variable types.
9535 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
9536 to check whether we have seen arguments.
9537 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
9538 flag is checked before field (flag is common, field is not).
9539 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
9540 TS_DECL_COMMON could have an origin.
9541 (add_location_or_const_value_attribute): Don't check section name
9542 on non-var/function decls.
9543 (dwarf2out_var_location): Reverse order of tests.
9544 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
9545 with DECL_WRTL_CHECK.
9546 * expmed.c (make_tree): rtl is now in decl_with_rtl.
9547 * fold-const.c (fold_binary): Don't check weakness on
9548 non-var/function decls.
9549 (tree_expr_nonzero_p): Ditto.
9550 (fold_checksum_tree): Use tree_decl_extra as sizeof
9551 buffer.
9552 * ggc-page.c (extra_order_size_table): Add sizes for
9553 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
9554 tree_field_decl.
9555 * gimplify.c (gimplify_bind_expr): Only set
9556 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
9557 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
9558 without RTL.
9559 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
9560 * langhooks.h (init_ts). New langhook.
9561 * passes.c (rest_of_decl_compilation): Reverse order of tests.
9562 * print-tree.c (print_node): Update to only print fields that
9563 exist in the structures the passed decl has.
9564 * toplev.c (wrapup_global_declarations): Don't reset
9565 DECL_DEFER_OUTPUT on DECL's that don't contain it.
9566 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
9567 * tree-inline.c (remap_decl): Ditto.
9568 * tree-outof-ssa.c (create_temp): Reverse order of tests.
9569 * tree-pretty-print.c (print_declaration): Don't print
9570 DECL_REGISTER on things that don't contain it.
9571 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
9572 non-var/function decls.
9573 * tree.c (tree_contains_struct): New structure.
9574 (init_priority_for_decl): New hashtable.
9575 (tree_int_map): New structure.
9576 (tree_int_map_eq): New function.
9577 (tree_int_map_marked_p): Ditto.
9578 (tree_int_map_hash): Ditto.
9579 (tree_map): Move to tree.h.
9580 (tree_map_eq): Externalize.
9581 (tree_map_hash): Ditto.
9582 (tree_map_marked_p): Ditto.
9583 (init_ttree): Set up tree_contains_struct and call langhook.
9584 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
9585 (tree_code_size): Update for new structures.
9586 (tree_node_structure): Update for new structures.
9587 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
9588 without the field.
9589 (copy_node_stat): Copy init priority.
9590 (build_decl_stat): Ditto for visibility.
9591 (ts_enum_names): New.
9592 (tree_contains_struct_check_failed): New function.
9593 (decl_init_priority_lookup): Ditto.
9594 (decl_init_priority_insert): Ditto.
9595 * treestruct.def: New file.
9596 * tree.h (CODE_CONTAINS_STRUCT): New macro.
9597 (CONTAINS_STRUCT_CHECK): Ditto.
9598 (tree_contains_struct_check_failed): New prototype.
9599 (DECL_CHECK): Removed.
9600 (DECL_MINIMAL_CHECK): New.
9601 (DECL_COMMON_CHECK): Ditto.
9602 (DECL_WRTL_CHECK): Ditto.
9603 (DECL_NON_COMMON_CHECK): Ditto.
9604 (DECL_WITH_VIS_CHECK): Ditto.
9605 (VAR_OR_FUNCTION_DECL_P): Ditto
9606 (struct tree_decl_minimal): New structure.
9607 (struct tree_decl_common): Ditto.
9608 (struct tree_decl_with_rtl): Ditto.
9609 (struct tree_decl_with_vis): Ditto.
9610 (struct tree_decl_non_common): Ditto.
9611 (struct tree_field_decl): Ditto.
9612 (struct tree_parm_decl): Ditto.
9613 (struct tree_var_decl): Ditto.
9614 (struct tree_function_decl): Ditto.
9615 (struct tree_const_decl): Ditto.
9616 (struct tree_result_decl): Ditto.
9617 (union tree_node): Add new structures.
9618 * var-tracking.c (track_expr_p): Reverse order of tests.
9620 * doc/c-tree.texi: Add documentation on DECL node internal structure.
9622 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
9624 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
9625 * system.h: Poison FINALIZE_PIC.
9626 * doc/tm.texi (FINALIZE_PIC): Remove.
9628 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9630 PR tree-opt/22329
9631 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
9632 to the correct type if we have a MODIFY_EXPR.
9634 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
9636 PR tree-optimization/22360
9637 * tree.c (upper_bound_in_type): Fix calculations for casting
9638 to a non-wider signed type and casting a signed value to a
9639 wider unsigned type.
9640 (lower_bound_in_type): Fix calculations for casting to a
9641 non-wider signed type.
9643 PR tree-optimization/20139
9644 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
9645 release_defs.
9646 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
9647 fold_cond_expr_cond.
9648 * tree-ssanames.c (release_defs): Assert in_ssa_p.
9649 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
9651 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
9653 PR tree-opt/22356
9654 * tree-complex.c (expand_complex_libcall): Produce
9655 REALPART_EXPR/IMAGPART_EXPR with the correct type.
9657 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
9659 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
9660 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
9661 b" assert and inserted fastpath code for this case.
9662 (bitmap_ior): Removed "a != b" assert.
9664 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9666 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
9667 (ENDFILE_SPEC): Likewise.
9668 * config/m32r/m32r.h (ASM_SPEC): Likewise.
9670 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
9671 a large stack frame at epilogue.
9673 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
9675 * final.c: Include sdbout.h when required.
9677 2005-07-07 Geoffrey Keating <geoffk@apple.com>
9679 * config.gcc (*-*-darwin*): Only one target-specific header file
9680 for generic darwin.
9681 (powerpc-*-darwin*): Add version-specific header files.
9682 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
9683 * config.in: Regenerate.
9684 * configure: Regenerate.
9685 * gcc.c: Include xregex.h.
9686 (version_compare_spec_function): New.
9687 (spec_function): Add version-compare.
9688 (replace_outfile_spec_function): Reformat comment.
9689 (compare_version_strings): New.
9690 * config/darwin-c.c (version_as_macro): New.
9691 (builtin_define): New.
9692 (darwin_cpp_builtins): New.
9693 * config/darwin-protos.h (darwin_cpp_builtins): New.
9694 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
9695 (LIB_SPEC): Make unconditional, update comment.
9696 (TARGET_C99_FUNCTIONS): Define.
9697 * config/darwin.opt: Sort.
9698 (mmacosx-version-min=): New.
9699 * config/darwin7.h: Delete.
9700 * config/darwin8.h: Delete.
9701 * config/i386/darwin.h (): Call darwin_cpp_builtins.
9702 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
9703 (TARGET_C99_FUNCTIONS): Define.
9704 * config/rs6000/darwin7.h: New.
9705 * config/rs6000/darwin8.h: New.
9706 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
9707 (-mmacosx-version-min): Document.
9709 2005-07-07 Ian Lance Taylor <ian@airs.com>
9711 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
9713 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
9715 PR middle-end/22239
9716 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
9718 2005-07-07 Khem Raj <kraj@mvista.com>
9720 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
9721 in bytes, not words.
9723 2005-07-07 Paul Brook <paul@codesourcery.com>
9725 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
9726 DEFAULT_FUNCTION_ARG_PADDING to upward.
9728 2005-07-07 Richard Henderson <rth@redhat.com>
9730 * function.c (locate_and_pad_parm): Record parameter alignment in
9731 stack_alignment_needed.
9733 2005-07-07 David Edelsohn <edelsohn@gnu.org>
9735 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
9736 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
9737 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
9738 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
9739 (define_attr "type"): Add isync, sync, load_l, store_c.
9740 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
9741 Create scratch volatile MEM.
9742 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
9743 sync.
9744 (load_locked_<mode>): New.
9745 (store_conditional_<mode>): New.
9746 (sync_compare_and_swap<mode>): Replace with splitter.
9747 (sync_lock_test_and_set<mode>): Replace with splitter.
9748 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
9749 and UNSPECV_ISYNC.
9750 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
9751 is ics. Attribute isync.
9752 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
9753 lwsync.
9754 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
9755 and UNSPECV_SYNC_OP.
9756 (emit_unlikely_jump): New.
9757 (emit_load_locked): New.
9758 (emit_store_conditional): New.
9759 (rs6000_split_compare_and_swap): New.
9760 (rs6000_split_lock_test_and_set): New.
9761 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
9762 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
9763 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
9764 rs6000_split_lock_test_and_set): Declare.
9765 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
9766 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
9767 store_c, isync, sync.
9769 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
9771 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
9772 filenames to gtyp-gen.h.
9773 (s-typ-gen): Use it in place of for loops.
9775 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
9777 * hooks.c (hook_bool_rtx_int_false): New function.
9778 * hooks.h (hook_bool_rtx_int_false): Declare.
9779 * target-def.h (TARGET_COMMUTATIVE_P): Define.
9780 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
9781 * target.h (struct gcc_target): Add commutative_p member.
9782 * targhooks.c (hook_bool_rtx_commutative_p): New function.
9783 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
9784 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
9785 (pa_commutative_p): New function.
9786 * jump.c (target.h): Include.
9787 (rtx_renumbered_equal_p): Use targetm.commutative_p.
9788 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
9790 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9792 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
9793 (s390_expand_setmem): New.
9794 * config/s390/s390.c: Likewise.
9795 (print_shift_count_operand): Truncate to 12 bits instead of 6.
9796 Adapt comments.
9797 * config/s390/s390.md: ("setmem<mode>"): Accept character as
9798 general_operand. Call new function "s390_expand_setmem".
9799 ("clrmem_long", "*clrmem_long"): Rewrite to ...
9800 ("setmem_long", "*setmem_long"): ... this.
9802 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9804 * config/s390/s390.c: (optimization_options): Enable
9805 TARGET_MVCLE at -Os.
9806 * doc/invoke.texi: Document changes in default behaviour.
9807 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
9809 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
9811 * expr.c: (set_storage_via_setmem): Convert opchar to mode
9812 defined by back-end.
9814 2005-07-07 Jakub Jelinek <jakub@redhat.com>
9816 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
9817 all sets in the pattern.
9818 * config/rs6000/rs6000.md (stack_protect_testsi,
9819 stack_protect_testdi): Likewise.
9821 2005-07-06 Jeff Law <law@redhat.com>
9823 * tree-vrp.c (simplify_using_ranges): Kill.
9824 (vrp_finalize): Remove call to simplify_using_ranges.
9825 (simplify_stmt_using_ranges): New function extracted from
9826 simplify_using_ranges.
9827 (simplify_div_or_mod_using_ranges): Likewise.
9828 (simplify_abs_using_ranges): Likewise.
9829 (simplify_cond_using_ranges): New function.
9830 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
9831 * tree-ssa-propagate.c (substitute_and_fold): Call
9832 simplify_stmt_using_ranges if we have range information.
9834 2005-07-06 James E. Wilson <wilson@specifixinc.com>
9836 * config/ia64/ia64.c (ia64_reorg): Check optimize before
9837 ia64_flag_schedule_isns2.
9839 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
9840 reading/writing general registers.
9841 (ia64_function_arg): Revert 2005-06-18 change.
9843 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
9845 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
9846 (legitimize_tls_address): Use gcc_unreachable instead of abort.
9848 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
9850 * function.c (expand_function_end): Revert part of 2005-06-27
9851 patch. Do sjlj_emit_function_exit_after after return_label.
9853 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9855 * doc/install.texi (--disable-libssp): New.
9857 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
9859 * doc/invoke.texi: Update -fforce-mem documentation.
9860 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
9861 code for -fforce-mem.
9862 * expmed.c: (store_bit_field,store_fixed_bit_field,
9863 extract_bit_field): Ditto.
9864 * expr.c: (convert_move): Ditto.
9865 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
9866 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
9867 emit_conditional_add,expand_float,expand_fix): Ditto.
9868 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
9869 (common_handle_option): Issue warning when -fforce-mem specified.
9871 2005-07-06 Paul Brook <paul@codesourcery.com>
9873 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
9874 argument is empty.
9875 * configure: Regenerate.
9877 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
9879 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
9881 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
9883 Fix PR tree-optimization/22319
9884 Fix PR tree-optimization/22140
9885 Fix PR tree-optimization/22310
9887 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
9888 variable sized types.
9889 Use correct type for intermediate structure on *a = *b structure
9890 copies.
9892 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9894 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
9895 Remove.
9896 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
9897 (machine_function): Move typedef to...
9898 * config/rs6000/rs6000.c (machine_function): ... here. Add
9899 varargs_save_offset field.
9900 (rs6000_stack_t): Remove varargs_size field.
9901 (setup_incoming_varargs): Allocate varargs save area using
9902 assign_stack_local, try to make it as small as possible.
9903 Save offset from virtual_stack_vars_rtx to the save area
9904 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
9905 instead of magic 8 when fp word byte size is used.
9906 (rs6000_va_start): Use cfun->machine->varargs_save_offset
9907 instead of -RS6000_VARARGS_SIZE.
9908 (rs6000_stack_info, debug_stack_info,
9909 rs6000_initial_elimination_offset): Remove all traces of
9910 varargs_size.
9911 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
9912 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
9913 RS6000_VARARGS_AREA.
9915 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9917 PR tree-optimization/21963
9918 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
9919 constant_multiple_of in the same way get_computation_cost_at does.
9921 2005-07-06 Jakub Jelinek <jakub@redhat.com>
9923 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
9924 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
9925 (gen_compare_reg): If sparc_compare_emitted is set, clear it
9926 and return its previous value.
9927 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
9928 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
9929 constants.
9930 (stack_protect_set, stack_protect_test): New expanders.
9931 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
9932 stack_protect_testdi): New insns.
9933 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
9934 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
9936 2005-07-06 Jeff Law <law@redhat.com>
9938 * tree-ssa-dce.c (cfg_altered): New global.
9939 (tree_dce_init): Initialize cfg_altered.
9940 (remove_dead_stmt): If we remove an edge in the CFG, then set
9941 CFG_ALTERED.
9942 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
9943 the dominators.
9945 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
9947 * Makefile.in (stamp-collect-ld): Use
9948 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
9949 ./collect-ld if it already exists.
9950 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
9951 Don't remove ./nm if it already exists.
9953 2005-07-05 Devang Patel <dpatel@apple.com>
9955 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
9956 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
9957 * tree-vectorizer.c (vect_loop_location): New.
9958 (vect_print_dump_info): Use vect_loop_location.
9959 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
9960 (vectorize_loops): Set vect_loop_location.
9961 * tree-vect-analyze.c (vect_analyze_offset_expr,
9962 vect_determin_vectorization_factor, vect_analyze_operations,
9963 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
9964 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
9965 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
9966 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
9967 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
9968 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
9969 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
9970 vect_analyze_loop): Adjust vect_print_dump_info API.
9971 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
9972 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
9973 vect_finish_stmt_generation, vectorizable_assignment,
9974 vectorizable_operation, vectorizable_store, vectorizable_load,
9975 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
9976 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
9977 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
9978 vect_transform_loop): Same.
9979 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
9980 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
9981 Same.
9983 2005-07-05 Randolph Chung <tausq@debian.org>
9985 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
9986 * configure: Regenerate.
9987 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
9988 (pa_tls_referenced_p): Declare.
9989 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
9990 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
9991 (legitimize_tls_address): New.
9992 (hppa_legitimize_address): Handle TLS addresses.
9993 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
9994 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
9995 (emit_move_sequence): Handle TLS addresses.
9996 (pa_encode_section_info): Call default handler to handle common
9997 sections.
9998 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
9999 (CONSTANT_ADDRESS_P): Reject TLS operands.
10000 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
10001 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
10002 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
10003 (UNSPEC_TLSLE): Define new constants.
10004 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
10005 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
10006 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
10007 (tie_symbolic_operand, tle_symbolic_operand): New
10009 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
10011 * aclocal.m4: Update macros for autoconf 2.59 style.
10012 * configure.ac: Likewise.
10014 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10016 * pa.c (function_value): Handle small aggregates on 32-bit targets.
10017 (function_arg): Pass small aggregates in general registers on 32-bit
10018 targets.
10019 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
10021 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
10023 * Makefile.in (final.o): Fix dependencies.
10025 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
10027 PR c/22013
10028 PR c/22098
10029 * langhooks.h (struct lang_hooks): Add expr_to_decl.
10030 * langhooks.c (lhd_expr_to_decl): New.
10031 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
10032 New.
10033 (LANG_HOOKS_INITIALIZER): Update.
10034 * tree.c (recompute_tree_invarant_for_addr_expr): Call
10035 expr_to_decl langhook.
10036 * c-tree.h (c_expr_to_decl): Declare.
10037 * c-typeck.c (c_expr_to_decl): New.
10038 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
10039 specially.
10040 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
10042 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
10044 PR c/22308
10045 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
10046 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
10048 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
10050 * Makefile.in: Adjust dependencies.
10051 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
10052 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
10053 * alias.c (rest_of_handle_cfg, pass_cfg): New.
10054 * bb-reorder.c (duplicate_computed_gotos): Make it static.
10055 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
10056 rest_of_compilation.
10058 * bb-reorder.c (gate_duplicate_computed_gotos,
10059 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
10060 rest_of_handle_reorder_blocks, pass_reorder_blocks,
10061 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
10062 pass_partition_blocks): New.
10063 * bt-load.c (gate_handle_branch_target_load_optimize,
10064 rest_of_handle_branch_target_load_optimize,
10065 pass_branch_target_load_optimize): New.
10066 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
10067 pass_jump2): New.
10068 * cfglayout.c (pass_insn_locators_initialize): New.
10069 * cfgrtl.c (pass_free_cfg): New.
10070 * combine.c (gate_handle_combine, rest_of_handle_combine,
10071 pass_combine): New.
10072 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
10073 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
10074 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
10075 * except.c (pass_set_nothrow_function_flags,
10076 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
10077 pass_rtl_eh): New.
10078 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
10079 rest_of_handle_shorten_branches, pass_shorten_branches,
10080 rest_of_clean_state, pass_clean_state): New.
10081 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
10082 rest_of_handle_remove_death_notes, pass_remove_death_notes,
10083 rest_of_handle_life, pass_life, rest_of_handle_flow2,
10084 pass_flow2): New.
10085 * function.c (pass_instantiate_virtual_regs, pass_init_function,
10086 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
10087 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
10088 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
10089 pass_gcse): New.
10090 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
10091 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
10092 pass_rtl_ifcvt, gate_handle_if_after_combine,
10093 rest_of_handle_if_after_combine, pass_if_after_combine,
10094 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
10095 pass_if_after_reload): New.
10096 * integrate.c (pass_initial_value_sets): New.
10097 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
10098 pass_purge_lineno_notes): New.
10099 * mode-switching.c (rest_of_handle_mode_switching,
10100 pass_mode_switching): New.
10101 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
10102 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
10103 pass_loop2): New.
10104 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
10105 pass_loop_optimize): New.
10106 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
10107 pass_sms): New.
10108 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
10109 pass_gcse2): New.
10110 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
10111 pass_postreload_cse): New.
10112 * profile.c (gate_handle_profiling, pass_profiling,
10113 rest_of_handle_branch_prob, pass_branch_prob): New.
10114 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
10115 pass_split_before_regstack, gate_handle_split_before_regstack,
10116 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
10117 rest_of_handle_split_all_insns, pass_split_all_insns): New.
10118 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
10119 pass_stack_regs): New.
10120 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
10121 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
10122 pass_stack_adjustments): New.
10123 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
10124 pass_regrename): New.
10125 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
10126 pass_delay_slots, gate_handle_machine_reorg,
10127 rest_of_handle_machine_reorg, pass_machine_reorg): New.
10128 * rtl.h (extern void purge_line_number_notes): New.
10129 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
10130 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
10131 pass_sched2): New.
10132 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
10133 pass_tracer): New.
10134 * value-prof.c (gate_handle_value_profile_transformations,
10135 rest_of_handle_value_profile_transformations,
10136 pass_value_profile_transformations): New.
10137 * var-tracking.c (gate_handle_var_tracking,
10138 pass_variable_tracking): New.
10139 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
10141 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
10142 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
10143 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
10144 rest_of_handle_old_regalloc, rest_of_handle_regrename,
10145 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
10146 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
10147 rest_of_handle_gcse2, rest_of_handle_regmove,
10148 rest_of_handle_tracer, rest_of_handle_if_conversion,
10149 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
10150 rest_of_handle_web, rest_of_handle_branch_prob,
10151 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
10152 rest_of_handle_jump_bypass, rest_of_handle_combine,
10153 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
10154 rest_of_handle_gcse, rest_of_handle_loop_optimize,
10155 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
10156 rest_of_handle_mode_switching, rest_of_handle_jump,
10157 rest_of_handle_eh, rest_of_handle_stack_adjustments,
10158 rest_of_handle_flow2, rest_of_handle_jump2,
10159 rest_of_handle_peephole2, rest_of_handle_postreload,
10160 rest_of_handle_shorten_branches, rest_of_clean_state,
10161 rest_of_compilation): Remove.
10163 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
10164 * passes.c (dump_flags, in_gimple_form, all_passes,
10165 all_ipa_passes, all_lowering_passes, register_one_dump_file,
10166 register_dump_files, next_pass_1, last_verified, execute_todo,
10167 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
10168 from tree-optimize.c.
10169 (init_optimization_passes): Moved from tree-optimize.c,
10170 adding the RTL optimizations.
10171 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
10172 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
10173 all_ipa_passes, all_lowering_passes, register_one_dump_file,
10174 register_dump_files, next_pass_1, last_verified, execute_todo,
10175 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
10176 init_tree_optimization_passes, ipa_passes): Delete.
10177 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
10178 the RTL dumps.
10179 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
10180 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
10181 from tree.h.
10182 (ipa_passes): Remove.
10183 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
10184 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
10185 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
10186 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
10187 (dump_info_p, dump_flag): Moved to tree-dump.h.
10189 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
10190 cgraph.c, opts.c.
10191 * passes.c (finish_optimization_passes): Use dump_begin
10192 and dump_end, TDI_end.
10193 (gate_rest_of_compilation): New.
10194 (pass_rest_of_compilation): Use it.
10195 (gate_postreload, pass_postreload): New.
10196 * toplev.c (general_init): Rename init_tree_optimization_passes.
10197 * toplev.h (init_tree_optimization_passes): Rename to
10198 init_optimizations_passes.
10199 * tree-dump.c (dump_flag): Make static.
10200 (dump_files): Remove RTL dumps.
10201 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
10202 pass_cleanup_cfg, pass_free_cfg_annotations,
10203 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
10204 pass_init_datastructures, pass_fixup_cfg): Make non-static.
10205 * tree-pretty-print.c: Include tree-pass.h.
10206 * cgraph.c: Include tree-dump.h.
10208 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
10210 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
10211 Only fall back to saying it points to readonly memory if
10212 we can't do better.
10214 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
10216 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
10217 * config/m32r/m32r.c (m32r_compute_frame_size,
10218 m32r_expand_prologue): Take current_function_profile into
10219 account whenever we reference
10220 current_function_uses_pic_offset_table.
10221 (m32r_finalize_pic): Remove.
10222 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
10224 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
10226 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
10227 instead of $<. Don't remove ./as if it already exists.
10229 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10231 PR target/21723
10232 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
10233 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
10234 for complex modes when generating code for PA 1.0.
10235 (VALID_FP_MODE_P): New macro.
10236 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
10237 sets for all general and floating point modes. Align wide floating
10238 point modes to even register boundaries to comply with architectural
10239 requirements.
10240 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
10241 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
10242 (VALID_FP_MODE_P): New macro.
10243 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
10244 sets for all general and floating point modes. Align wide floating
10245 point modes to even register boundaries to comply with architectural
10246 requirements.
10248 2005-07-04 Diego Novillo <dnovillo@redhat.com>
10250 * tree-dump.c (dump_files): Initialize dump number for .cgraph
10251 to 0.
10253 2005-07-04 Diego Novillo <dnovillo@redhat.com>
10255 * tree-ssa-structalias.c: Don't include expr.h.
10257 2005-07-04 Diego Novillo <dnovillo@redhat.com>
10259 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
10260 comments.
10262 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
10264 Fix PR tree-optimization/22279
10266 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
10267 correct operator.
10269 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
10271 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
10273 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
10275 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
10276 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
10277 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
10278 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
10279 config/stormy16/stormy16.c, config/v850/v850.c,
10280 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
10281 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
10282 Avoid "." or "\n" at end of diagnostics and capital letters at
10283 start of diagnostics.
10284 * combine.c, cse.c: Don't translate dump file output.
10285 * toplev.c (print_version): Only translate output if going to
10286 stderr.
10288 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
10290 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
10291 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
10292 typos.
10294 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10296 * pa.c (fix_range): Fix typo in comment.
10298 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
10300 * tree-vrp.c (extract_range_from_assert): Replace
10301 fold (build (...)) with fold_build2.
10303 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10305 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
10306 gcc_gfc_char_table, init_dynamic_gfc_info): New.
10307 (format_types_orig, handle_format_attribute): Add support for
10308 format "gcc_gfc".
10310 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
10312 * varasm.c (assemble_variable): Fix format specifier thinko.
10314 2005-07-03 Ira Rosen <irar@il.ibm.com>
10316 PR tree-optimization/22029 (and 22135)
10317 * tree-pretty-print.c (dump_generic_node): Check that the node is not
10318 a phi node before calling dump_vops.
10320 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
10322 * tree-dump.h (dump_string_field): Declare.
10323 * tree-dump.c: Use it instead of dump_string.
10324 (dump_string_field): Make non-static.
10326 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
10328 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
10329 up the minimal CFG stuff always when optimize > 0. Call
10330 split_all_insns_noflow in PIC case if needed.
10332 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
10333 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
10335 PR c++/18279
10336 * c-decl.c (c_write_global_declarations): Dump contents of
10337 external scope to.
10338 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
10339 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
10340 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
10341 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
10342 is enabled.
10344 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
10346 * c-common.h (GCC_DIAG_STYLE): Define.
10347 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
10348 version for format checking to 4.1.
10349 * c-format.c: Include toplev.h after c-common.h.
10350 (enum format_type): Add gcc_tdiag_format_type.
10351 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
10352 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
10353 (format_types_orig): Add gcc_tdiag.
10354 (init_dynamic_diag_info): Support gcc_tdiag formats.
10355 (handle_format_attribute): Likewise.
10356 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
10357 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
10358 version for format checking to 4.1.
10359 (warning0, warning, error, pedwarn, sorry): Use
10360 ATTRIBUTE_GCC_DIAG.
10361 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
10362 (finish_aliases_1): Do not use %qE.
10363 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
10364 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
10365 Correct format bugs.
10366 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
10367 parameter to unsigned HOST_WIDE_INT.
10368 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
10370 2005-07-02 David Edelsohn <edelsohn@gnu.org>
10372 PR middle-end/21742
10373 * expr.c (write_complex_part): Use adjust_address for MEM.
10374 (read_complex_part): Same.
10376 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
10378 Fix PR tree-optimization/22280
10380 * tree-sra.c (generate_element_init): Remove useless loop.
10382 2005-07-02 Richard Henderson <rth@redhat.com>
10384 * config/alpha/alpha.c (alpha_legitimize_address): Check for
10385 TLS_MODEL_NONE.
10386 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
10388 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
10390 PR middle-end/14490
10391 * fold-const.c (fold_binary): Handle the return value of
10392 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
10393 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
10395 2005-07-02 Jeff Law <law@redhat.com>
10397 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
10398 a eliminate type conversion which feeds an equality comparison
10399 if the original type or either operand in the comparison is a
10400 function pointer.
10402 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
10404 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
10405 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
10406 texts.
10407 * config/avr/avr.c: Do not use '`' as left quote.
10408 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
10409 Remove "." from end of diagnostics. Make diagnostics start with
10410 lowercase letter.
10412 2005-07-02 Zack Weinberg <zack@codesourcery.com>
10413 Joseph S. Myers <joseph@codesourcery.com>
10415 * toplev.c (default_tree_printer): Handle setting location with
10416 '+' flag.
10417 * c-objc.common.c (c_tree_printer): Likewise.
10418 * c-format.c (gcc_diag_flag_specs): Add '+'.
10419 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
10420 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
10421 formats.
10422 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
10423 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
10424 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
10425 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
10426 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
10427 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
10428 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
10429 format arguments where %J is used without %D.
10431 2005-07-02 Jakub Jelinek <jakub@redhat.com>
10433 * gcc.c (LINK_SSP_SPEC): Define.
10434 (link_ssp_spec): New variable.
10435 (LINK_COMMAND_SPEC): Add %(link_ssp).
10436 (static_specs): Add link_ssp_spec.
10437 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
10438 * configure: Rebuilt.
10439 * config.in: Rebuilt.
10441 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
10442 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10443 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10444 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
10445 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
10446 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
10447 -0x7008(2) instead of reading __stack_chk_guard variable.
10448 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
10449 number.
10450 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
10451 (stack_protect_set, stack_protect_test): Use *_tls* patterns
10452 if TARGET_THREAD_SSP_OFFSET is defined.
10453 (stack_tls_protect_set_si, stack_tls_protect_set_di,
10454 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
10456 Revert:
10457 2005-06-27 Richard Henderson <rth@redhat.com>
10458 * libgcc-std.ver (GCC_4.1.0): New.
10459 * libgcc.h (__stack_chk_guard): Declare.
10460 (__stack_chk_fail, __stack_chk_fail_local): Declare.
10461 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
10462 * mklibgcc.in (lib2funcs): Add them.
10464 2005-07-01 Richard Henderson <rth@redhat.com>
10466 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
10467 void * before struct sigcontext *.
10468 (x86_fallback_frame_state): Likewise.
10470 2005-07-01 James E. Wilson <wilson@specifixinc.com>
10472 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
10474 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
10476 PR tree-opt/22269
10477 * tree-ssa-reassoc.c (should_transpose): Fix which operand
10478 we check for SSA_NAME for.
10480 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
10482 Fix PR tree-optimization/22071
10484 * tree-ssa-structalias.c (offset_overlaps_with_access): New
10485 function.
10486 (get_constraint_for_component_ref): Use it.
10488 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
10490 PR other/22264
10491 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
10492 print out the last new line.
10494 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
10496 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
10497 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
10498 * config/cris/cris.c (cris_conditional_register_usage): Adjust
10499 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
10500 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
10501 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
10502 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
10503 (enum reg_class): New member CC0_REGS.
10504 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
10505 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
10506 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
10507 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
10508 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
10509 Adjust for register now described.
10511 2005-07-01 Jakub Jelinek <jakub@redhat.com>
10513 PR target/22262
10514 * config/i386/i386.md (stack_protect_test_si,
10515 stack_protect_test_di): Add earlyclobber for scratch 3.
10516 * config/rs6000/rs6000.md (stack_protect_testsi,
10517 stack_protect_testdi): Add earlyclobber for scratch 3,
10518 remove earlyclobber from scratch 4.
10520 Older entries for 2005 can be found in ChangeLog-2005.