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1 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
2
3         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
4         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
5         xtensa_b4const): Delete prototypes.
6         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
7         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
8         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
9         xtensa_extra_constraint): New prototypes.
10         (add_operand, arith_operand, nonimmed_operand, mem_operand,
11         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
12         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
13         move_operand, const_float_1_operand, fpmem_offset_operand,
14         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
15         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
16         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
17         argument type to HOST_WIDE_INT.
18         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
19         xtensa_mask_immediate): Likewise.
20         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
21         Likewise.  Also make these functions static.
22         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
23         (xtensa_const_ok_for_letter_p): New.
24         (add_operand, arith_operand, nonimmed_operand, mem_operand,
25         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
26         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
27         move_operand, const_float_1_operand, fpmem_offset_operand,
28         branch_operator, ubranch_operator, boolean_operator): Move to
29         predicates.md.
30         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
31         (xtensa_mem_offset): Change return type to bool.
32         (xtensa_extra_constraint): New.
33         (gen_int_relational): Update type of const_range_p function pointer.
34         Use xtensa_b4const_or_zero.
35         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
36         xtensa_const_ok_for_letter_p.  Update comments.
37         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
38         (PREDICATE_CODES): Delete.
39         * config/xtensa/xtensa.md: Include predicates.md.
40         * config/xtensa/predicates.md: New file.
41
42 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
43
44         * config/v850/v850-protos.h: Remove the prototypes for
45         reg_or_int9_operand, reg_or_const_operand,
46         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
47         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
48         movsi_source_operand, power_of_two_operand,
49         not_power_of_two_operand, special_symbolref_operand,
50         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
51         register_is_ok_for_epilogue.
52         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
53         reg_or_int9_operand, reg_or_const_operand,
54         call_address_operand, special_symbolref_operand,
55         movsi_source_operand, power_of_two_operand,
56         not_power_of_two_operand, register_is_ok_for_epilogue,
57         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
58         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
59         predicates.md.
60         * config/v850/v850.h (PREDICATE_CODES): Remove.
61         * config/v850/v850.md: Include predicates.md.
62         * config/v850/predicates.md: New.
63
64 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
65
66         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
67         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
68         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
69         (itoolsdir, itoolsdatadir): Move definition above new first use.
70         (install-itoolsdirs): New rule.
71         (install-mkheaders): Depend on install-itoolsdirs, not
72         install-include-dir.
73
74 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
75
76         * tree-into-ssa.c: Remove obsolete comments.
77
78 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
79
80         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
81         unrolling if -fpeel-loops is specified, too.
82         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
83         Remove superfluous check for flag_unroll_loops.
84
85 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
86
87         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
88         (lrint_optab, llrint_optab): Define corresponding macros.
89         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
90         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
91         pattern and llrint_optab using llrintdi2 patterns.
92         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
93         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
94         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
95         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
96         flag_unsafe_math_optimizations is set.
97
98 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
99
100         * combine.c (combine_simplify_rtx, simplify_if_then_else,
101         simplify_logical, if_then_else_cond, known_cond,
102         simplify_comparison): Adjust calls to reverse_comparison.
103         Don't use combine_reversed_comparison_code).
104         (combine_reversed_comparison_code): Remove.
105         (reversed_comparison): Using reversed_comparison_code, move it...
106         * jump.c (reversed_comparison): ... here.
107         * rtl.h (reversed_comparison): Add prototype.
108
109 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
110
111         * builtins.c (fold_builtin): Take decomposed arguments of
112         CALL_EXPR.
113         * fold-const.c (fold_ternary): Update a call to fold_builtin.
114         * gimplify.c (gimplify_call_expr): Likewise.
115         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
116         * tree.h: Update the prototype of fold_builtin.
117
118 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
119
120         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
121         * rtlhooks.c (gen_lowpart_no_emit_general): New.
122         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
123         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
124         * simplify-rtx.c (simplify_binary_operation_1): Use it.
125
126 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
127
128         * builtins.c (fold_builtin_1): Take decomposed arguments of
129         CALL_EXPR.
130         (fold_builtin): Update a call to fold_builtin_1.
131
132 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
133
134         PR other/20564
135         * gcov.c (output_lines): Only output function block summary when
136         outputting branch information.
137         * doc/gcov.texi: Document format of preamble and additional block
138         information lines.
139
140 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
141
142         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
143         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
144         the defaults false if BITS_PER_UNIT != 8.
145         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
146         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
147         than BITS_PER_UNIT != 8.
148         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
149         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
150         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
151         #undefs.
152         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
153         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
154
155 2005-03-20  Roger Sayle  <roger@eyesopen.com>
156
157         PR middle-end/20539
158         * fold-const.c (fold_binary): Fix type mismatch between
159         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
160         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
161         for non-truth-valued expressions.
162
163         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
164         and FUNCTION_DECL in the main switch.
165         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
166         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
167         we also need to convert their operands to match.
168         <TRUTH_NOT_EXPR>: Likewise.
169
170 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
171
172         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
173         diagnostic without checking whether an lvalue.
174         * c-common.h (lvalue_p): Remove.
175         (enum lvalue_use): Update comment.
176         (lvalue_or_else): Replace by lvalue_error.
177         * c-typeck.c (lvalue_p): Make static.
178         (lvalue_or_else): New.  Call lvalue_error.
179
180 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
181
182         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
183         (function_arg_advance): Use rs6000_parm_start.
184         (function_arg, rs6000_arg_partial_bytes): Likewise.
185
186 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
187
188         * c-common.c (check_case_value): Adjust comment about stripping
189         NOPs.
190         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
191         * c-typeck.c (default_conversion, convert_arguments,
192         build_modify_expr, convert_for_assignment, store_init_value,
193         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
194         manually.  Remove inaccurate comments.
195
196 2005-03-20  Roger Sayle  <roger@eyesopen.com>
197             Joseph S. Myers  <joseph@codesourcery.com>
198
199         * varasm.c (do_assemble_alias): Restore comment describing function.
200         Annotate the target parameter as potentially unused.
201
202 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
203
204         PR target/18551
205         * config/avr/avr.c (avr_output_function_prologue): Do not use
206         current_function_name() in a label, use a local label instead.
207
208 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
209
210         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
211         flag_finite_math_only, not flag_unsafe_math_optimizations.
212
213 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
214
215         * builtins.c (fold_builtin_1): Update a call to
216         targetm.fold_builtin.
217         * hooks.c (hook_tree_tree_bool_null): Rename to
218         hook_tree_tree_tree_bool_null.  Take one more argument of type
219         tree.
220         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
221         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
222         hook_tree_tree_tree_bool_null.
223         * target.h (gcc_target): Update the prototype of fold_builtin.
224         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
225         arguments of CALL_EXPR.
226         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
227         new prototype.
228
229 2005-03-20  Jan Hubicka  <jh@suse.cz>
230
231         * cgraph.h (cgraph_node): Add prev_clone pointer.
232         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
233         (cgraph_clone_node): Produce doubly linked chain.
234
235 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
236
237         * c-common.c (handle_aligned_attribute, check_function_sentinel,
238         get_nonnull_operand, handle_sentinel_attribute,
239         check_function_arguments_recurse): Do not strip NOPS from
240         INTEGER_CSTs.
241         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
242         Likewise.
243         * c-format.c (get_constant): Likewise.
244         * c-parser.c (c_parser_postfix_expression): Likewise.
245         * c-typeck.c (set_init_index): Likewise.
246         (convert_arguments): Don't check for NOP_EXPR containing integer
247         constant.
248
249 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
250
251         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
252         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
253         Take decomposed arguments of CALL_EXPR.
254         (fold_builtin_1): Update calls to the functions mentioned
255         above.
256
257 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
258
259         * c-decl.c (check_bitfield_type_and_width): Require bit-field
260         width to have integer type.
261         (build_enumerator): Require enumerator value to have integer type.
262
263 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
264
265         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
266         to __builtin_inff.
267
268 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
269
270         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
271         std=iso9899:199x): Correct descriptions.
272
273 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
274
275         * config.gcc: Consistently use solaris2.1[0-9]* instead of
276         solaris2.1[0-9].
277
278 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
279
280         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
281         of CALL_EXPR.
282         (expand_builtin_memcpy, fold_builtin_1): Update calls to
283         fold_builtin_memcpy.
284
285         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
286         arguments of CALL_EXPR.
287         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
288         fold_builtin_found, fold_builtin_1): Update calls to
289         fold_trunc_transparent_mathfn.
290
291 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
292
293         PR middle-end/20493
294         * fold-const.c (fold_widened_comparison): Don't optimize casts of
295         function pointers on targets that require function pointer
296         canonicalization.
297         (fold_sign_changed_comparison): Likewise.
298
299 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
300
301         * combine.c (try_combine): When changing the mode of a hard reg, make
302         sure that doing so is valid.
303
304 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
305
306         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
307         (TARGET_HANDLE_OPTION): Override default.
308         (avr_handle_option): New function.
309         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
310         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
311         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
312         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
313         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
314         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
315         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
316         (TARGET_OPTIONS): Delete.
317         * config/avr/avr.opt: New file.
318
319 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
320
321         * config/m32r/m32r-protos.h: Remove the prototypes for
322         call_address_operand, symbolic_operand, seth_add3_operand,
323         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
324         reg_or_uint16_operand, reg_or_cmp_int16_operand,
325         two_insn_const_operand, move_src_operand,
326         move_double_src_operand, move_dest_operand,
327         eqne_comparison_operator, signed_comparison_operator,
328         large_insn_p, conditional_move_operand, carry_compare_operand,
329         m32r_block_immediate_operand, extend_operand,
330         reg_or_eq_int16_operand, int8_operand, and
331         reg_or_zero_operand.
332         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
333         seth_add3_operand, int8_operand, cmp_int16_operand,
334         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
335         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
336         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
337         move_double_src_operand, move_dest_operand,
338         eqne_comparison_operator, signed_comparison_operator,
339         extend_operand, small_insn_p, large_insn_p,
340         conditional_move_operand, carry_compare_operand,
341         m32r_block_immediate_operand): Move to predicates.md.
342         (MAX_MOVE_BYTES): Move to m32r.h.
343         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
344         * config/m32r/m32r.md: Include predicates.md.
345         * config/m32r/predicates.md: New.
346
347 2005-03-18  James E Wilson  <wilson@specifixinc.com>
348
349         PR c++/19769
350         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
351         origin.
352
353 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
354
355         * config/mn10300/mn10300-protos.h: Remove the prototypes for
356         call_address_operand, const_8bit_operand.
357         * config/mn10300/mn10300.c (call_address_operand,
358         const_8bit_operand, const_1f_operand): Move to predicates.md.
359         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
360         * config/mn10300/mn10300.md: Include predicates.md.
361         * config/mn10300/predicates.md: New.
362
363 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
364
365         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
366         declarations in diagnostics and %E for identifiers, not %s.
367
368 2005-03-18  Jan Hubicka  <jh@suse.cz>
369             Dale Johannesen  <dalej@apple.com>
370
371         * basic-block.h (scale_bbs_frequencies_int,
372         scale_bbs_frequencies_gcov_type): Declare.
373         * cfg.c (RDIV): New macro.
374         (update_bb_frequency_for_threading): Fix.
375         * basic-block.h (scale_bbs_frequencies_int,
376         scale_bbs_frequencies_gcov_type): New.
377         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
378         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
379         scale_bbs_frequencies_int.
380         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
381
382 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
383
384         * config/m32r/m32r-protos.h: Remove the prototypes for
385         call_address_operand, symbolic_operand, seth_add3_operand,
386         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
387         reg_or_uint16_operand, reg_or_cmp_int16_operand,
388         two_insn_const_operand, move_src_operand,
389         move_double_src_operand, move_dest_operand,
390         eqne_comparison_operator, signed_comparison_operator,
391         large_insn_p, conditional_move_operand, carry_compare_operand,
392         m32r_block_immediate_operand, extend_operand,
393         reg_or_eq_int16_operand, int8_operand, and
394         reg_or_zero_operand.
395         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
396         seth_add3_operand, int8_operand, cmp_int16_operand,
397         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
398         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
399         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
400         move_double_src_operand, move_dest_operand,
401         eqne_comparison_operator, signed_comparison_operator,
402         extend_operand, small_insn_p, large_insn_p,
403         conditional_move_operand, carry_compare_operand,
404         m32r_block_immediate_operand): Move to predicates.md.
405         (MAX_MOVE_BYTES): Move to m32r.h.
406         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
407         * config/m32r/m32r.md: Include predicates.md.
408         * config/m32r/predicates.md: New.
409
410         * config/pa/pa-protos.h: Add prototypes for magic_milli and
411         shadd_constant_p.
412         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
413         symbolic_operand, symbolic_memory_operand,
414         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
415         indexed_memory_operand, move_dest_operand, move_src_operand,
416         prefetch_cc_operand, prefetch_nocc_operand,
417         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
418         arith_operand, arith11_operand, pre_cint_operand,
419         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
420         ireg_operand, int5_operand, uint5_operand, int11_operand,
421         uint32_operand, arith5_operand, and_operand, ior_operand,
422         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
423         pc_or_label_operand, div_operand, plus_xor_ior_operator,
424         shadd_operand, movb_comparison_operator,
425         cmpib_comparison_operator): Move to predicates.md.
426         (magic_milli, shadd_constant_p): Make it extern.
427         * config/pa/pa.h (PREDICATE_CODES): Remove.
428         * config/pa/pa.md: Include predicates.md.
429         * config/pa/predicates.md: New.
430
431         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
432         predicate.
433
434 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
435
436         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
437         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
438         config/alpha/freebsd.h, config/alpha/linux.h,
439         config/alpha/netbsd.h, config/alpha/osf5.h,
440         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
441         config/h8300/h8300-protos.h, config/h8300/h8300.c,
442         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
443         doc/cppopts.texi: Update copyright.
444
445 2005-03-18  Jan Hubicka  <jh@suse.cz>
446
447         PR middle-end/20225
448         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
449         too late.
450         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
451         called too late.
452
453 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
454
455         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
456         VEC_safe_push.
457
458 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
459
460         * combine.c (gen_binary): Remove.
461         (known_cond, simplify_shift_const, find_split_point,
462         combine_simplify_rtx, simplify_if_then_else, simplify_set,
463         simplify_logical, expand_field_assignment, extract_left_shift,
464         force_to_mode, if_then_else_cond, apply_distributive_law,
465         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
466         simplify_comparison, reversed_comparison): Replace with
467         simplify_gen_binary, simplify_gen_relational or
468         distribute_and_simplify_rtx.
469         (distribute_and_simplify_rtx): New function.
470
471 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
472             Paolo Bonzini  <gcc.gnu.org>
473
474         * calls.c (setjmp_call_p, special_function_p): Update comments
475         at the head of the functions.
476
477 2005-03-18  Jan Hubicka  <jh@suse.cz>
478
479         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
480
481         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
482         function body should be released; do not proactively release function
483         bodies in non-unit-at-a-time mode.
484
485 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
486
487         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
488         mno-fp-ret-in-387 multilib variants.
489
490 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
491
492         * common.opt (m): Remove.
493         * opts.c (handle_option): Pass 'm' options to set_target_switch if
494         table lookup fails.
495         (common_handle_option): Remove OPT_m case.
496
497 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
498
499         * builtins.c (fold_builtin_bitop): Take decomposed arguments
500         of CALL_EXPR.
501         (fold_builtin_1): Update a call to fold_builtin_bitop.
502
503         * builtins.c (fold_builtin_signbit): Take decomposed arguments
504         of CALL_EXPR.
505         (fold_builtin_1): Update a call to fold_builtin_signbit.
506
507 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
508
509         PR tree-optimization/20474
510         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
511         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
512
513 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
514
515         * config/h8300/h8300-protos.h: Remove prototypes for
516         general_operand_src, general_operand_dst, single_one_operand,
517         single_zero_operand, call_insn_operand,
518         two_insn_adds_subs_operand, small_call_insn_operand,
519         jump_address_operand, bit_operand, bit_memory_operand,
520         stack_pointer_operand, const_int_gt_2_operand,
521         const_int_ge_8_operand, const_int_qi_operand,
522         const_int_hi_operand, incdec_operand, bit_operator,
523         nshift_operator, eqne_operator, gtle_operator,
524         gtuleu_operator, iorxor_operator.
525         Add prototypes for h8sx_shift_type h8sx_classify_shift and
526         h8300_ldm_stm_parallel.
527         * config/h8300/h8300.c (h8sx_shift_type,): Move to
528         h8300-protos.h.
529         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
530         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
531         (h8300_ldm_stm_parallel): Make it extern.
532         (h8300_ldm_parallel, h8300_stm_parallel,
533         h8300_return_parallel, general_operand_src,
534         general_operand_dst, h8300_dst_operand, h8300_src_operand,
535         nibble_operand, reg_or_nibble_operand, single_one_operand,
536         single_zero_operand, call_insn_operand,
537         two_insn_adds_subs_operand, small_call_insn_operand,
538         jump_address_operand, bit_operand, bit_memory_operand,
539         stack_pointer_operand, const_int_gt_2_operand,
540         const_int_ge_8_operand, const_int_qi_operand,
541         const_int_hi_operand, incdec_operand, eqne_operator,
542         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
543         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
544         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
545         nshift_operator): Move to predicates.md.
546         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
547         * config/h8300/h8300.md: Include predicates.md.
548         * config/h8300/predicates.md: New.
549
550 2005-03-17  Richard Henderson  <rth@redhat.com>
551
552         * config.gcc (ia64*-*-hpux*): Add extra_options.
553         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
554         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
555         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
556         (ia64_tls_size_string, ia64_tune_string): Remove.
557         (ia64_tune): Init to PROCESSOR_ITANIUM2.
558         (TARGET_DEFAULT_TARGET_FLAGS): New.
559         (TARGET_HANDLE_OPTION): New.
560         (ia64_override_options): Move options parsing ...
561         (ia64_handle_option): ... here.  New.
562         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
563         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
564         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
565         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
566         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
567         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
568         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
569         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
570         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
571         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
572         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
573         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
574         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
575         TARGET_EARLY_STOP_BITS): Remove.
576         (TARGET_ILP32): Default false.
577         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
578         (enum ia64_inline_type): New.
579         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
580         * config/ia64/ia64.md: Update for new definitions of
581         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
582         * config/ia64/ia64.opt: New file.
583         * config/ia64/ilp32.opt: New file.
584
585 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
586
587         PR target/18380
588         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
589
590 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
591
592         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
593         instead of MASK_H8300S.
594         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
595         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
596         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
597         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
598         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
599         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
600         TARGET_SWITCHES): Remove.
601         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
602         TARGET_H8300SX.
603         * config/h8300/h8300.opt: New.
604
605         * config/alpha/alpha.opt, config/arc/arc.opt,
606         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
607         notices.
608
609 2005-03-17  Ian Lance Taylor  <ian@airs.com>
610
611         * gmon.c: Remove.
612
613 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
614
615         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
616         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
617         (TARGET_HANDLE_OPTION): Override default.
618         (arc_handle_option): New function.
619         (arc_init): Remove code to set arch_cpu_string.
620         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
621         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
622         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
623         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
624         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
625         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
626         (arc_rodata_string, TARGET_OPTIONS): Delete.
627         * config/arc/arc.opt: New file.
628
629 2005-03-17  Richard Henderson  <rth@redhat.com>
630
631         * doc/extend.texi (Weak Pragmas): New section.
632         (attribute alias): Clarify that target must be in the same
633         translation unit.
634
635 2005-03-17  Richard Henderson  <rth@redhat.com>
636
637         * config/alpha/alpha.opt: New file.
638         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
639         of alpha_cpu.
640         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
641         alpha_fprm_string, alpha_fptm_string): Make static.
642         (alpha_tls_size_string): Remove.
643         (alpha_handle_option): New.
644         (override_options): Update for alpha_cpu/alpha_tune split.
645         (alpha_file_start): Likewise.
646         (TARGET_DEFAULT_TARGET_FLAGS): New.
647         (TARGET_HANDLE_OPTION): New.
648         * config/alpha/alpha.h (alpha_tune): Declare.
649         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
650         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
651         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
652         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
653         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
654         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
655         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
656         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
657         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
658         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
659         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
660         (TARGET_DEFAULT): Remove MASK_FP.
661         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
662         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
663         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
664         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
665         alpha_tls_size_string): Remove.
666         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
667         (attribute tune): Rename from attribute cpu.
668         * config/alpha/ev4.md: Update to match.
669         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
670         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
671         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
672         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
673         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
674         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
675
676 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
677
678         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
679         and return without creating new state if before_nops_num is nonzero.
680         * config/ia64/ia64.md (first_insn): New attribute.
681         (alloc): Set it to yes.
682
683 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
684
685         * tree-vectorizer.c (new_vec_stmt_info): Initialize
686         STMT_VINFO_SUBVARS to NULL.
687         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
688
689 2005-03-16 Dale Johannesen  <dalej@apple.com>
690
691         * rtlanal.c (find_first_parameter_load):  Rewrite to
692         return actual first param load or the call if none,
693         instead of first in block, when not all loads exist.
694
695 2005-03-16  Roger Sayle  <roger@eyesopen.com>
696
697         * optabs.c (expand_copysign_absneg): Make static.
698         * optabs.h (expand_copysign_absneg): Delete prototype.
699         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
700
701 2005-03-16  Richard Henderson  <rth@redhat.com>
702
703         PR middle-end/15700
704         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
705         (alias_pairs): Rename from output_defs.
706         (find_decl_and_mark_needed): Split out from assemble_alias.
707         (do_assemble_alias): New.
708         (assemble_output_def): Remove.
709         (finish_aliases_1, finish_aliases_2): New.
710         (process_pending_assemble_output_defs): Remove.
711         (assemble_alias): Defer aliases for which we don't yet have a
712         non-external decl for the target symbol.
713         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
714         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
715         * toplev.c (compile_file): Use finish_aliases_2 instead of
716         process_pending_assemble_output_defs.
717         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
718         (process_pending_assemble_output_defs): Remove.
719
720 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
721
722         Fix PR tree-optimization/20489
723
724         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
725         for empty structures.
726
727 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
728
729         Fix PR tree-optimization/20490
730
731         * tree-ssa-pre.c (create_expression_by_pieces): Use
732         force_gimple_operand on result of fold.
733
734 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
735
736         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
737         of closing parenthesis.
738
739 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
740
741         * builtins.c (expand_movstr): Update a call to
742         fold_builtin_strcpy.
743         (expand_builtin_strncpy): Update a call to
744         fold_builtin_strncpy.
745         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
746         arguments of CALL_EXPR.
747         (fold_builtin_1): Update calls to fold_builtin_strcpy and
748         fold_builtin_strncpy.
749         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
750         * tree.h: Update the prototypes of fold_builtin_strcpy and
751         fold_builtin_strncpy.
752
753 2005-03-16  Steven Bosscher  <stevenb@suse.de>
754             Dorit Naishlos  <dorit@il.ibm.com>
755
756         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
757         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
758         error.
759
760 2005-03-16  Steven Bosscher  <stevenb@suse.de>
761
762         * tree-inline.c (walk_type_fields, walk_tree,
763         walk_tree_without_duplicates): Move from here...
764         * tree.c: ...to here.
765
766 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
767
768         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
769         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
770         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
771         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
772         (version): Define using $(BASEVER_c).
773         (Makefile, config.status, build/gcov-iov.o): No longer depends on
774         version.c.
775         (version.o): Depend on version files; add custom generation command.
776         (prefix.o): Define BASEVER on command line.
777         (s-iov): Depend on version files; adjust command.
778         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
779         Add gcc-vers.texi.
780         (gcc-vers.texi): New rule.
781         (doc/%.info, doc/%.dvi): Add -I . to command line.
782         (doc/gccinstall.dvi): Likewise.
783         (PACKAGE): Delete.  All uses replaced with "gcc".
784         * aclocal.m4: Do not include gcc-version.m4.
785         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
786         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
787         Set is_release based on contents of DEV-PHASE.
788         Set gcc_version based on contents of BASE-VER.
789         Define WIN32_REGISTRY_KEY only if the user overrode the default.
790         * config.in, configure: Regenerate.
791         * gccbug.in: Determine version of GCC in use at runtime.
792         * gcov-iov.c: Get version number and development phase from
793         command line, not by including version.c.
794         * intl.c: Replace all uses of PACKAGE with "gcc".
795         * libada-mk.in: Delete unused "gcc_version" variable.
796         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
797         * version.c: (VERSUFFIX): New hook for redistributors; adjust
798         commentary to match.
799         (version_string): Put together from pieces.
800         * config/alpha/x-vms: Do not use $(gcc_version).
801         * config/i386/t-nwld: Likewise.
802         * doc/include/gcc-common.texi: Include gcc-vers.texi for
803         version-GCC and DEVELOPMENT.
804
805 2005-03-15  Roger Sayle  <roger@eyesopen.com>
806
807         PR tree-optimization/17454
808         * tree.c (tree_size): Add case for TREE_BINFO.
809         * fold-const.c (fold_checksum_tree): Only clear the overloaded
810         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
811
812 2005-03-15  Roger Sayle  <roger@eyesopen.com>
813
814         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
815         op1 whilst expanding the signed widenening multiply variant.
816
817 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
818
819         * toplev.c (display_target_options): Avoid unused variable warning if
820         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
821         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
822         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
823         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
824         (mips_isa_info): New variable.
825         (mips_parse_cpu): Remove the first argument and leave the caller
826         to report errors.
827         (TARGET_HANDLE_OPTION): Override default.
828         (mips_handle_option): New function.  Move option validation code from...
829         (override_options): ...here.  Update calls to mips_parse_cpu.
830         * config/mips/mips.h (mips_arch_string, mips_tune_string)
831         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
832         (SUBTARGET_TARGET_OPTIONS): Delete.
833         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
834         (mno-flush-func, mtune=): New options.
835
836 2005-03-15  Roger Sayle  <roger@eyesopen.com>
837             Richard Henderson  <rth@redhat.com>
838
839         * real.c (c4x_single_format, c4x_extended_format): Provide values
840         for signbit_ro for c4x's single and extended floating point formats.
841         * optabs.c (expand_copysign): Use the floating point format's
842         signbit_ro for expanding via expand_copysign_absneg, and it's
843         signbit_rw field for expanding via expand_copysign_bit.
844
845 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
846
847         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
848         known_alignment_for_access_p.
849         (known_alignment_for_access_p): New.
850         (do_peeling_for_alignment): Field made int instead of bool and renamed
851         to peeling_for_alignment.
852         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
853         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
854         functionality used to be in vect_analyze_operations.
855         (vect_analyze_operations): Code to determine vectorization factor was
856         moved to vect_determine_vectorization_factor.
857         (vect_enhance_data_refs_alignment): Update to correct alignment when it
858         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
859         factor.
860         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
861         be part of vect_analyze_operations).
862         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
863         creating the guard condition, as the number of iterations may be
864         constant.
865         (slpeel_tree_peel_loop_to_edge): Use new name of
866         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
867         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
868         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
869         (vect_do_peeling_for_alignment): Use fold.
870         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
871
872         (vect_update_inits_of_dr): Renamed to
873         vect_update_init_of_dr.
874         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
875         (vectorizable_store): Fix assertion to use == instead of =.
876
877 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
878
879         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
880         call_used_regs for wCG registers.
881
882 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
883
884         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
885         for non-offsettable memory references to cope with outstanding reload
886         replacements, take 2.
887
888 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
889
890         PR target/18668
891         * config/i386/i386.h (x86_fisttp): New.
892         (TARGET_FISTTP): New macro.
893         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
894         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
895         instruction when fisttp flag is set.
896         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
897
898         * config/i386/i386.md (type attribute): Add fisttp.
899         (unit attribute): Set to i387 for fisttp type.
900         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
901         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
902         TARGET_FISTTP.
903         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
904         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
905         macros.
906         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
907         patterns for TARGET_FISTTP.  Enable patterns for
908         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
909         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
910         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
911         implement fisttp x87 insn.
912         (fix_trunc*_i387_fisttp splitters): New patterns.
913         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
914         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
915         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
916         clobber.
917         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
918         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
919         Implement using mode macros. Disable patterns for TARGET_FISTTP.
920         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
921         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
922         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
923         Disable patterns for TARGET_FISTTP.
924         (fix_trunc*_i387 splitters): Implement usign mode macros.
925         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
926         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
927         (fix_trunx*_sse peephole2s): Implement using mode macros.
928
929 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
930
931         PR rtl-optimization/20291
932         * combine.c (try_combine): If splitting fails, re-try with
933         original combined pattern, i.e. before clobber stripping.
934
935 2005-03-14  Eric Christopher  <echristo@redhat.com>
936
937         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
938         STACK_GROWS_DOWNWARD.
939
940 2005-03-14  Roger Sayle  <roger@eyesopen.com>
941
942         * real.h (struct real_format): Split the signbit field into two
943         two fields, signbit_ro and signbit_rw.
944         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
945         mips_double_format, ieee_extended_motorola_format,
946         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
947         ieee_extended_intel_128_format, ibm_extended_format,
948         mips_extended_format, ieee_quad_format, mips_quad_format,
949         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
950         i370_double_format, c4x_single_format, c4x_extended_format,
951         real_internal_format): Update initializers for new field.
952         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
953         real_format structure.
954         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
955         field of the real_format structure.
956
957 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
958
959         Fix PR tree-optimization/20458
960
961         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
962         DECL_EXTERNAL on STRUCT_FIELD tags.
963         (clear_call_clobbered): Ditto.
964         * tree-ssa-operands.c (note_addressable): Make sure the original
965         variable doesn't slip into the addressable list if we have
966         subvars.
967         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
968         tags too.
969
970 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
971
972         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
973         (-fwide-exec-charset): Likewise.
974         (-finput-charset): Likewise.
975         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
976         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
977         * c.opt (Wnormalized): New.
978
979 2005-03-14  Devang Patel  <dpatel@apple.com>
980
981         * doc/invoke.texi: Add reference to Visibility document.
982
983 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
984
985         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
986         MASK_SPLIT_ADDRESSES.
987         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
988         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
989         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
990         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
991         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
992         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
993         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
994         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
995         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
996         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
997         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
998         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
999         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
1000         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
1001         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
1002         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
1003         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
1004         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
1005         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
1006         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
1007         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
1008         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
1009         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
1010         (TARGET_EXPLICIT_RELOCS): Delete.
1011         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
1012         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
1013         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1014         (override_options): Set MASK_LONG64 if -mint64 is given and no
1015         -mlongXX option is.  Complain about -mint64 -mlong32.
1016         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
1017         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
1018         * config/mips/mips.opt: New file.
1019
1020 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
1021
1022         * config.gcc (extra_options): New variable for listing option files.
1023         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
1024         * configure.ac (extra_opt_files): New AC_SUBST variable.
1025         (tm_file_list, tm_include_list): Include options.h first.
1026         * configure: Regenerate.
1027         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
1028         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
1029         (s-options-h): New rule.
1030         (options.h): Depend on it.
1031         (TEXI_GCCINT_FILES): Add options.texi.
1032         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
1033         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
1034         * target.h (gcc_target): Add default_target_flags and handle_option.
1035         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
1036         (TARGET_HANDLE_OPTION): New macros.
1037         (TARGET_INITIALIZER): Include them.
1038         * opt-functions.awk (opt_args, nth_arg): New functions.
1039         (switch_flags): Handle the "Target" flag.
1040         (var_args): Delete.
1041         (var_name): Use opt_args and nth_arg.
1042         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
1043         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
1044         macros for the "Mask" and "InverseMask" options.
1045         * opts.h (cl_var_cond): New enum.
1046         (cl_option): Replace the "has_set_value" and "set_value" fields with
1047         "var_cond" and "var_value".
1048         (CL_TARGET): New macro.
1049         (option_enabled, print_filtered_help): Declare.
1050         (decode_options): Move definition.
1051         * opts.c (handle_option): Search for the original option before
1052         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
1053         var_cond and var_value fields.  Use targetm.handle_option to handle
1054         target options.
1055         (decode_options): Set target_flags to targetm.default_target_flags.
1056         (print_filtered_help): Make global.  Handle CL_TARGET.
1057         (option_enabled): New function.
1058         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
1059         (display_target_options, set_target_switch, print_switch_values)
1060         (default_pch_valid_p): Guard uses of target_switches with
1061         #ifdef TARGET_SWITCHES.  Also...
1062         (display_target_options): Display the CL_TARGET entries in cl_options.
1063         (set_target_option): Don't complain about the "" option when
1064         TARGET_SWITCHES is undefined.
1065         (print_switch_values): Use option_enabled.
1066         (default_pch_valid_p): Check cl_options[] when looking for something
1067         that has changed the value of target_flags.
1068         * c.opt: Remove documentation from top of file.
1069         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
1070         * doc/sourecebuild.texi: Refer to the new options documentation
1071         instead of c.opt.  Document machine-specific .opt files.
1072         * doc/tm.texi (target_flags): Say that this variable is declared
1073         by options.h.
1074         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
1075         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
1076         an alternative.
1077         * doc/options.texi: New file.
1078
1079 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
1080
1081         PR middle-end/18628
1082         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
1083         register.
1084
1085 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
1086
1087         PR c++/20280
1088         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
1089         temporary variable of pointer type if an lvalues is required.
1090         (gimplify_modify_expr_rhs): Request an rvalue from it.
1091         (gimplify_expr): Pass fallback on.
1092
1093 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1094
1095         * cfgbuild.c: Update comments.
1096
1097 2005-03-14  Roger Sayle  <roger@eyesopen.com>
1098
1099         PR rtl-optimization/17236
1100         * optabs.c (expand_doubleword_mult): New helper function split out
1101         from expand_binop.  Permute the order in which instructions are
1102         emitted to minimize the number of simultaneously live registers.
1103         (expand_binop): Call expand_doubleword_mult to synthesize a double
1104         word multiplication.
1105
1106 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1107
1108         * basic-block.h: Update the prototypes of cached_make_edge and
1109         rtl_make_eh_edge.
1110         * cfg.c (cached_make_edge): Take edge_cache representing one
1111         row of the adjacency matrix of edges.
1112         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
1113         (make_edges): Initialize edge_cache to represent one row of
1114         the adjacency matrix of edges.
1115
1116 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1117
1118         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
1119         New functions.
1120         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
1121         Remove unused removed_phis variable.
1122         (conditional_replacement): Use build1/build2.
1123         (abs_replacement): Use last_and_only_stmt and build1/build2.
1124
1125 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1126
1127         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
1128         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
1129         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
1130         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
1131         * c-common.c (handle_novops_attribute): New function.
1132         (c_common_attribute_table): Add "no vops" entry.
1133         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
1134         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
1135         * tree-ssa-operands.c (get_call_expr_operands): Do not
1136         create virtual operands for calls with ECF_NOVOPS flag.
1137         * tree.h (DECL_IS_NOVOPS): New macro.
1138         (struct tree_decl): Add novops_flag.
1139         (ECF_NOVOPS): New constant.
1140
1141 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
1142
1143         PR target/17688
1144         * config/i386/i386.c (x86_use_himode_fiop): New.
1145         (x86_use_simode_fiop): Rename from x86_use_fiop.
1146         * config/i386/i386.h (x86_use_himode_fiop): Declare.
1147         (TARGET_USE_HIMODE_FIOP): New.
1148         (x86_use_simode_fiop): Rename from x86_use_fiop.
1149         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
1150
1151         * config/i386/i386.md (X87MODEI12): New mode macro define.
1152         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
1153         to implement x87 FP compare with HImode input operands.
1154         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
1155         Use X87MODEI12 mode macro to handle HImode input operands.
1156         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
1157         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
1158         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
1159         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
1160         macro to implement x87 operators with HImode input operands.
1161         (fop splitters): Use X87MODEI12 mode macro to handle HImode
1162         input operands.
1163
1164 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1165
1166         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
1167         integer_zerop.
1168         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
1169         constants invariant.
1170
1171 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1172
1173         * basic-block.h (BB_VISITED): Removed.
1174         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
1175
1176 2005-03-14  Falk Hueffner  <falk@debian.org>
1177
1178         PR bootstrap/20424
1179         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
1180
1181 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1182
1183         * ggc-zone.c: Fix comment typos.
1184
1185         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
1186         stringpool.c, config/mips/mips-protos.h: Update copyright.
1187
1188 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1189
1190         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
1191         throughout with its typedef, "rtx".
1192         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
1193         (rs6000_tls_symbol_ref_1): Remove inline keyword.
1194         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
1195         regs in comment to match code.
1196
1197 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1198
1199         * except.c (check_handled): Make it static.
1200         * except.h: Remove the corresponding prototype.
1201
1202         * function.c (get_func_frame_size): Make it static.
1203         * function.h: Remove the corresponding type.
1204
1205         * regclass.c (reg_class_superclasses, reg_class_subclasses):
1206         Make them static.
1207         * hard-reg-set.h: Remove the corresponding declarations.
1208
1209         * tree-cfg.c (verify_stmts): Check that
1210         bb_for_stmt (stmt) == bb for every PHI node and statement.
1211
1212 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1213
1214         * config.gcc: Remove excess indentation.
1215         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
1216
1217 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1218
1219         PR middle-end/19331
1220         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
1221         * fold-const.c (fold_sign_changed_comparison): Likewise.
1222         (fold_binary): Optimize comparisons against widened operands if
1223         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
1224
1225 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1226
1227         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
1228         (sparc_override_options): Initialize it.
1229         (sparc_struct_value_rtx): Set it on the MEM to be returned.
1230
1231 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
1232
1233         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
1234         (reg_or_none500mem_operand): New predicate.
1235         (zero_reg_mem_operand): New predicate.
1236         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
1237         to reg_or_none500mem_operand.
1238         (extendsfdf2_fpr): Add MEM alternative.
1239         (extenddftf2_internal): Change operand2 predicate to
1240         zero_reg_mem_operand.
1241
1242 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1243
1244         * ggc-zone.c: Rewritten.
1245
1246         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
1247         if there are none.
1248         * configure.ac: Define GGC_ZONE for --with-gc=zone.
1249         * config.in: Regenerated.
1250         * configure: Regenerated.
1251         * gengtype.c (write_types_process_field, write_func_for_structure):
1252         Pass new argument to gt_pch_note_object.
1253         * ggc-common.c (struct ptr_data): Add TYPE.
1254         (gt_pch_note_object): Take TYPE argument and save it.
1255         (call_count): Update call to ggc_pch_count_object.
1256         (call_alloc): Update call to ggc_pch_alloc_object.
1257         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
1258         file.
1259         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
1260         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
1261         (ggc_alloc_zone_stat): Delete.
1262         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
1263         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
1264         (ggc_pch_alloc_object): Update prototypes.
1265         (garbage_zone): Delete.
1266         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
1267         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
1268         pointers.
1269         (tree_id_zone): New variable.
1270         (ggc_alloc_cleared_zone): Remove unused.
1271         (ggc_alloc_zone): Define.
1272         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
1273         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
1274         ggc_alloc_zone_stat.
1275         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
1276         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
1277         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
1278         (make_node_stat): Likewise.  Use tree_id_zone.
1279
1280 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1281             Joseph S. Myers  <joseph@codesourcery.com>
1282
1283         * configure.ac: Check for MIPS TLS.
1284         * configure: Regenerated.
1285         * config/mips/mips-protos.h (enum mips_symbol_type): Add
1286         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
1287         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
1288         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
1289         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
1290         (mips_classify_symbol, mips_symbolic_constant_p)
1291         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
1292         (mips_tls_operand_p, mips_call_tls_get_addr)
1293         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
1294         (mips_tls_symbol_ref_1): New functions.
1295         (mips_legitimize_address, mips_legitimize_const_move): Call
1296         mips_legitimize_tls_address.
1297         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
1298         for MIPS16.
1299         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
1300         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
1301         (mips_char_to_class): Document V1_REG.
1302         (HAVE_AS_TLS): Provide default.
1303         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
1304         constants.
1305         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
1306         !TARGET_ABICALLS.
1307         (tls_get_tp_<mode>): New instruction.
1308
1309 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1310
1311         * configure.ac: Update checks for target tools.
1312         * configure: Regenerated.
1313
1314 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1315
1316         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
1317
1318 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1319
1320         * expmed.c (expand_mult): Use synthetic multiplication sequences for
1321         more classes of DImode multiplication by constant.  Allow both
1322         multiplication by small negative constants (by performing a
1323         multiplication by a positive constant and negating the result) and
1324         multiplications by large powers of two, by using a left shift.
1325
1326 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1327
1328         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
1329         of basic blocks into work_stack.
1330
1331         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
1332         config/mips/vr.h: Update copyright.
1333
1334         * c-decl.c (c_init_decl_processing): Remove useless calls to
1335         build_function_type.
1336
1337         * builtins.c (fold_trunc_transparent_mathfn,
1338         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
1339         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
1340         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
1341         fold_builtin_strcpy, fold_builtin_strncpy,
1342         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
1343         TREE_TYPE (exp).
1344
1345         * builtins.c (expand_builtin_mathfn_3): Remove local variable
1346         before_call.
1347
1348         * lambda-code.c (lambda_compute_auxillary_space): Remove local
1349         variable determinant.
1350
1351         * tree-cfg.c (group_case_labels): Remove local variable type.
1352
1353         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
1354         variable ann.
1355
1356         * tree-ssa-phiopt.c (value_replacement): Remove local variable
1357         result.
1358
1359 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1360
1361         PR target/18251
1362         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
1363         (*movmemqi_insn): Delete.
1364         (*movmemhi): Delete.
1365
1366 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1367
1368         * builtins.c (fold_builtin_classify): Take decomposed
1369         arguments of CALL_EXPR.
1370         (fold_builtin_1): Update a call to fold_builtin_classify.
1371
1372 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
1373
1374         PR c/20402
1375         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
1376         through into call to parser_xref_tag after parse error.
1377         (c_parser_struct_declaration): Consistently return NULL_TREE on
1378         error.
1379
1380 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
1381
1382         * tree-flow-inline.h (ref_contains_array_ref): New function.
1383         (lookup_subvars_for_var): Ditto.
1384         (get_subvars_for_var): Ditto.
1385         (var_can_have_subvars): Ditto.
1386
1387         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
1388         (struct subvar): New type.
1389
1390         * tree-dfa.c (okay_component_ref_for_subvars): New function.
1391
1392         * tree-optimize.c (init_tree_optimization_passes): Call
1393         pass_create_structure_vars.
1394
1395         * tree-ssa-alias.c: Include vec.h.
1396         (init_alias_info): Don't auto-clear call clobbered on struct-field
1397         tags.
1398         (compute_flow_insensitive_aliasing): Handle subvars.
1399         (group_aliases): Handle STRUCT_FIELD aliases.
1400         (setup_pointers_and_addressables): Ditto.
1401         Don't mark variables non-addressable if they still have
1402         addressable subvars.
1403         Also mark subvars addressable when the real variable is marked
1404         addressable.
1405         (add_pointed_to_var): Try to prune the pointed-to set by only
1406         pointing to subvars when possible.
1407         Otherwise, make sure we set addresses_needed and pt_vars to
1408         properly include subvars.
1409         (bitpos_of_field): New function.
1410         (push_fields_onto_fieldstack): Ditto.
1411         (get_or_create_used_part_for): Ditto.
1412         (create_overlap_variables_for): Ditto.
1413         (find_used_portions): Ditto.
1414         (create_structure_vars): Ditto.
1415         (pass_create_structure_vars): New structure.
1416
1417         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
1418         (get_expr_operands): Handle subvars.  Also try to turn
1419         COMPONENT_REF accesses into must-defs now that we can accurately
1420         portray it.
1421         (note_addressable): Try to only mark as addressable those subvars
1422         we know a COMPONENT_REF touches.
1423         (overlap_subvar): New function.
1424
1425         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
1426         Handle subvar storing.
1427         (vect_address_analysis): Update caller of vect_object_analysis.
1428
1429         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
1430
1431         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
1432         (STMT_VINFO_SUBVARS): New macro.
1433
1434         * common.opts: add flag_tree_salias.
1435
1436         * opts.c (decode_options): flag_tree_salias defaults to on.
1437
1438         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
1439
1440         * doc/tree-ssa.texi: Document structural alias analysis.
1441
1442 2005-03-12  Steven Bosscher  <stevenb@suse.de>
1443
1444         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
1445         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
1446         * tree-ssa-operands.c (get_expr_operands): Likewise.
1447         (get_expr_operands): Likewise for ERROR_MARK.
1448
1449 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1450
1451         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
1452         var.
1453
1454         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
1455         removed_phis.
1456
1457         * tree-ssa-pre.c (compute_avail): Remove local variable val.
1458         (mark_operand_necessary): Remove local variable ver.
1459
1460         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
1461         variable prefix_len.
1462
1463         * value-prof.c (mod_subtract_transform): Remove local variable
1464         value.
1465
1466         * builtins.c (fold_builtin_exponent): Take decomposed
1467         arguments of CALL_EXPR.
1468         (fold_builtin_1): Update a call to fold_builtin_exponent.
1469
1470         * builtins.c (fold_builtin_logarithm): Take decomposed
1471         arguments of CALL_EXPR.
1472         (fold_builtin_1): Update a call to fold_builtin_logarithm.
1473
1474         * c-decl.c (c_init_decl_processing): Remove local variables
1475         ptr_ftype_void and ptr_ftype_ptr.
1476
1477         * gimplify.c (gimplify_expr): Remove local variables r0 and
1478         r1.
1479
1480         * reg-stack.c (move_for_stack_reg): Remove local variable
1481         push_insn.
1482         (compare_for_stack_reg): Remove local variable flags_user.
1483         (convert_regs_1): Remove local variable deleted.
1484
1485         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
1486         variable new_cond.
1487         (combine_blocks): Remove local variables exits and new_e.
1488
1489         * tree-inline.c (expand_call_inline): Remove local variable
1490         decl.
1491
1492         * tree-ssa-live.c (create_ssa_var_map,
1493         calculate_live_on_entry): Remove local variable snn.
1494
1495 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
1496
1497         * c-lex.c (c_lex_with_flags): Add parameter to call to
1498         cpp_spell_token.
1499
1500 2005-03-11  Per Bothner  <per@bothner.com>
1501
1502         * c-tree.h (struct c_declarator): New id_loc field.
1503         * c-pragma.h (c_lex_with_flags): Take position reference.
1504         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
1505         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
1506         (c_lex): Pass dummy location to c_lex_with_flags.
1507         * c-parser.c (c_lex_one_token): Set c_token's location using
1508         c_lex_with_flags, instead of input_location, which might be "ahead".
1509         (c_parser_direct_declarator): Set declarator's id_loc from
1510         c_token's id_loc.
1511         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
1512         declarator's id_loc, rather than probably-imprecise input_location.
1513         (build_id_declarator): Initialize c_declarator's id_loc field.
1514
1515 2005-03-11  Roger Sayle  <roger@eyesopen.com>
1516
1517         PR middle-end/20419
1518         * builtins.c (expand_builtin_signbit): Force the signbit's word
1519         into an integer register to avoid SUBREGs of floating point modes.
1520
1521 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1522
1523         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
1524         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
1525         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
1526         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
1527
1528 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
1529
1530         PR rtl-optimization/20306
1531         * expr.c (emit_move_complex): Set try_int false if mode is
1532         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
1533         emit_block_move if try_int is true.
1534
1535 2005-03-11  Richard Henderson  <rth@redhat.com>
1536
1537         PR target/20415
1538         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
1539         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
1540         to match.
1541
1542 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
1543
1544         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
1545         (TARGET_FIX_VR4130): New macro.
1546         (TARGET_OPTIONS): Add -mfix-vr4130.
1547         (ISA_HAS_MACCHI): New macro.
1548         (ASM_SPEC): Add -mfix-vr4130.
1549         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
1550         (override_options): Handle mips_fix_vr4130_string.
1551         (mips_avoid_hazards): Clear all_noreorder_p
1552         if we're working around VR4130 errata and the macc alternatives
1553         are not available.
1554         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
1555         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
1556         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
1557         (MULTILIB_DEFAULTS): Remove leading "march=".
1558         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
1559         if no architecture option is given.
1560         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
1561         VR4130 multilibs.
1562         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
1563         * doc/invoke.texi: Document -mfix-vr4130.
1564
1565 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
1566
1567         * config/mips/mips.c (override_options): Only warn about -mint64
1568         deprecation if TARGET_INT64.
1569
1570 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1571
1572         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
1573         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
1574         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
1575         are non-specific regarding the nonnull parameter positions.
1576         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
1577         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
1578         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
1579         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
1580
1581         * builtins.def: Use the non-specific "nonnull" attibute lists.
1582
1583 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
1584
1585         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
1586         single_pred_edge, single_succ, single_pred): Improve comments.
1587
1588 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
1589
1590         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
1591         single_pred_edge, single_succ, single_pred): New inline functions.
1592         * bb-reorder.c (rotate_loop, find_traces_1_round,
1593         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
1594         duplicate_computed_gotos): Use the single_succ/pred functions.
1595         * cfganal.c (forwarder_block_p): Ditto.
1596         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
1597         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1598         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
1599         merge_seq_blocks): Ditto.
1600         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
1601         * cfglayout.c (fixup_reorder_chain): Ditto.
1602         * cfgloop.c (mark_single_exit_loops, update_latch_info,
1603         canonicalize_loop_headers, verify_loop_structure): Ditto.
1604         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
1605         mfb_update_loops, create_preheader, force_single_succ_latches,
1606         create_loop_notes): Ditto.
1607         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
1608         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
1609         commit_one_edge_insertion, purge_dead_edges,
1610         cfg_layout_can_merge_blocks_p): Ditto.
1611         * except.c (sjlj_emit_function_enter): Ditto.
1612         * flow.c (init_propagate_block_info): Ditto.
1613         * function.c (thread_prologue_and_epilogue_insns): Ditto.
1614         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
1615         insert_insn_end_bb): Ditto.
1616         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
1617         find_if_case_2): Ditto.
1618         * lambda-code.c (perfect_nestify): Ditto.
1619         * lcm.c (optimize_mode_switching): Ditto.
1620         * loop-doloop.c (doloop_modify): Ditto.
1621         * loop-init.c (loop_optimizer_init): Ditto.
1622         * loop-iv.c (simplify_using_initial_values): Ditto.
1623         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
1624         * loop-unswitch.c (unswitch_loop): Ditto.
1625         * modulo-sched.c (generate_prolog_epilog): Ditto.
1626         * predict.c (combine_predictions_for_insn, estimate_probability,
1627         tree_estimate_probability, last_basic_block_p,
1628         estimate_bb_frequencies): Ditto.
1629         * profile.c (branch_prob): Ditto.
1630         * regrename.c (copyprop_hardreg_forward): Ditto.
1631         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
1632         * tracer.c (layout_superblocks): Ditto.
1633         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
1634         cfg_remove_useless_stmts_bb, cleanup_control_flow,
1635         cleanup_control_expr_graph, disband_implicit_edges,
1636         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
1637         tree_verify_flow_info, tree_make_forwarder_block,
1638         tree_forwarder_block_p, remove_forwarder_block,
1639         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
1640         * tree-if-conv.c (tree_if_conversion): Ditto.
1641         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1642         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
1643         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
1644         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
1645         copy_loop_headers): Ditto.
1646         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
1647         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
1648         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
1649         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
1650         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
1651         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
1652         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
1653         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
1654         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
1655         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
1656         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
1657         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
1658         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
1659         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
1660         slpeel_add_loop_guard): Ditto.
1661
1662 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
1663
1664         PR tree-optimization/15784
1665         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1666         and -1 - A to ~A.
1667
1668         * stmt.c (expand_case): Don't change index_type.  Convert minval
1669         to the proper type.
1670
1671         PR tree-optimization/20130
1672         * fold-const.c (fold): Fold x * -1 into -x.
1673
1674 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1675
1676         PR rtl-optimization/20331
1677         * rtlanal.c (modified_between_p): Check its address first for MEM.
1678         (modified_in_p): Likewise.
1679
1680 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
1681
1682         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
1683
1684 2005-03-10  Steven Bosscher  <stevenb@suse.de>
1685
1686         * expr.c (expand_expr_real_1): If possible, use a conditional
1687         move for expanding MIN_EXPR and MAX_EXPR.
1688         Use temp for moving around rtx-en.
1689
1690 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
1691
1692         PR rtl-opt/20412
1693         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
1694         correct mode.
1695
1696 2005-03-10  Roger Sayle  <roger@eyesopen.com>
1697
1698         * builtins.c (expand_builtin_signbit): Extend to handle floating
1699         point modes wider than the largest integer type, using the
1700         operand_subword_force function to obtain the signbit's word.
1701
1702 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
1703
1704         PR target/20322
1705         * combine.c (try_combine): If recog_for_combine added CLOBBERs
1706         to NEWI2PAT, fail to combine if they are used by NEWPAT.
1707
1708 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
1709
1710         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
1711
1712 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
1713
1714         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
1715         type void.
1716         (perform_edge_inserts): Unconditionally call
1717         free_dominator_info.
1718
1719         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
1720
1721 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
1722
1723         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
1724
1725 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
1726
1727         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
1728
1729         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
1730         gcc_unreachable.
1731         (rtl_register_value_prof_hooks,
1732         tree_value_profile_transformations,
1733         tree_register_value_prof_hooks): Likewise.
1734         * var-tracking.c (stack_adjust_offset_pre_post,
1735         variable_htab_free, variable_union, dataflow_set_different_2,
1736         count_uses, variable_was_changed, set_frame_base_location,
1737         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
1738         vt_add_function_parameters): Likewise.
1739         * varasm.c (named_section_real, named_section, make_decl_rtl,
1740         asm_emit_uninitialised, assemble_integer, decode_addr_const,
1741         const_hash_1, compare_constant, copy_constant, force_const_mem,
1742         output_constant_pool_2, output_constant_pool_1, output_constant,
1743         output_constructor, make_decl_one_only, decl_tls_model,
1744         default_no_named_section, default_elf_select_section_1,
1745         default_unique_section_1): Likewise.
1746         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
1747         * vmsdbgout.c (addr_const_to_string): Likewise.
1748
1749         PR c++/20375
1750         * function.c (struct assign_parm_data_one): Remove last_named
1751         field.
1752         (assign_parm_find_data_types): Don't determine last_named.
1753         Reorder named_parm determination.
1754         (assign_parms): Only setup varargs on the last non-varadic
1755         parameter.
1756
1757 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
1758
1759         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
1760         sda base address on medium model.
1761
1762 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
1763
1764         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
1765         * cfgloop.c (flow_loop_nodes_find): Export.
1766         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
1767         Declare.
1768         * cfgloopmanip.c (fix_loop_structure): New function.
1769         * predict.c (predict_loops): Clean up the loops information.
1770         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
1771         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
1772         loop structure.
1773         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
1774         (rewrite_into_loop_closed_ssa): Declaration changed.
1775         * tree-loop-linear.c (linear_transform_loops): Add argument to
1776         rewrite_into_loop_closed_ssa call.
1777         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1778         * tree-ssa-loop-im.c (move_computations): Ditto.
1779         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1780         * tree-vectorizer.c (vectorize_loops): Ditto.
1781         * tree-optimize.c: Include cfgloop.h.
1782         (execute_todo): Choose whether to call cleanup_tree_cfg or
1783         cleanup_tree_cfg_loop.
1784         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
1785         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
1786         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
1787         cleanup_tree_cfg_loop call.
1788         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
1789         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
1790         work on part of cfg.
1791
1792 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
1793
1794         PR inline-asm/20314
1795         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
1796         with multiple alternatives.
1797
1798         * stmt.c (parse_output_constraint): Fix a typo.
1799
1800 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
1801
1802         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
1803         assembly directive instead of deprecated "no-generics".
1804
1805 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
1806
1807         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1808         for non-offsettable memory references to cope with outstanding reload
1809         replacements.
1810         * config/s390/s390.md ("reload_outti"): Call find_replacement to
1811         avoid losing outstanding address reloads.
1812         ("reload_outdi", "reload_outdf"): Likewise.
1813
1814 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1815
1816         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
1817         code.  Add more cbrt transformations.
1818
1819 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1820
1821         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
1822
1823 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
1824
1825         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
1826         NULL_TREE when a given tree is not simplified.
1827         (fold): Return the original tree when any of the functions
1828         mentioned above NULL_TREE.
1829
1830         * fold-const.c (fold_unary, fold_binary): Take decomposed
1831         arguments, code, type, op0, and op1 in case of fold_binary.
1832         (fold): Update calls to fold_unary and fold_binary.
1833
1834 2005-03-09  Roger Sayle  <roger@eyesopen.com>
1835
1836         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
1837         a fndecl and an arglist instead of a CALL_EXPR, exp.
1838
1839 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
1840
1841         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
1842
1843         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
1844
1845         * expr.c (expand_assignment): Remove orig_to_rtx.
1846
1847         * fold-const.c (int_const_binop): Remove no_overflow.
1848
1849         * ifcvt.c (noce_emit_move_insn): Remove inmode.
1850
1851         * loop-iv.c (get_biv_step_1): Remove lhs.
1852
1853         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
1854
1855         * real.c (real_nan): Remove neg.
1856
1857         * function.c (thread_prologue_and_epilogue_insns): Remove i
1858         and newinsn.
1859
1860         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
1861         tb.
1862
1863         * tree-eh.c (tree_could_trap_p): Remove idx.
1864
1865         * tree-into-ssa.c (ann): Remove ann.
1866
1867         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
1868
1869         * tree-sra.c (decide_block_copy): Remove inst_count.
1870
1871         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
1872
1873         * tree-ssa-loop-im.c (lhs): Remove.
1874
1875         * cfgbuild.c (state, STATE, SET_STATE,
1876         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
1877         make_edges.
1878         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
1879         (find_basic_blocks): Set the state of each basic block to
1880         BLOCK_NEW.
1881
1882 2005-03-08  Jeff Law  <law@redhat.com>
1883
1884         * tree-cfg.c (cleanup_control_flow): If removal of a computed
1885         goto results in the removal of edges in the CFG, then we need
1886         to recompute dominators.
1887
1888 2005-03-09  Ben Elliston  <bje@au.ibm.com>
1889
1890         * c-common.c (c_do_switch_warnings): Comment fix.
1891
1892 2005-03-08  Julian Brown  <julian@codesourcery.com>
1893
1894         * Patch from 2005-03-08 reverted for causing regressions and
1895         ppc-darwin bootstrap failure.
1896
1897 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
1898
1899         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
1900         Define the real function for ppc-darwin.
1901         * c-typeck.c (convert_arguments): Check for target-specific
1902         invalid argument call to unprototyped function.
1903         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
1904         New Macro.
1905         * target.h (invalid_arg_for_unprototyped_fn): New field
1906         in struct calls.
1907         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
1908         default target hook.
1909         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
1910         Declare.
1911
1912 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1913
1914         * c-typeck.c (constructor_stack, constructor_range_stack,
1915         initializer_stack): Make them static.
1916
1917         * cfg.c (rbi_pool): Make it static.
1918
1919         * gimple-low.c (lower_stmt_body): Make it static.
1920         * tree-flow.h: Remove the corresponding prototype.  Don't
1921         declare lower_data.
1922
1923         * sched-deps.c (cache_size): Make it static.
1924
1925         * stor-layout.c (lang_adjust_rli): Make it static.
1926
1927 2005-03-08  Julian Brown  <julian@codesourcery.com>
1928
1929         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1930         from being used for symbols with vague linkage when
1931         HAVE_GAS_COMDAT_GROUP is true.
1932
1933 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
1934
1935         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
1936         nlabel == JUMP_LABEL (jump).
1937
1938 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1939
1940         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
1941         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
1942         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
1943         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
1944
1945 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
1946
1947         PR c/14411
1948         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
1949         * c-common.c (handle_returns_twice): New function.
1950         (c_common_attribute_table): Declare eturns_twice' attribute.
1951         * doc/extend.texi: Document eturns_twice' attribute.
1952         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
1953         (struct tree_decl): Add returns_twice_flag.
1954
1955 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1956
1957         * tree-ssa-phiopt.c: Fix a comment typo.
1958
1959         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
1960         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
1961         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
1962         copyright.
1963
1964 2005-03-08  Richard Henderson  <rth@redhat.com>
1965
1966         * config/alpha/alpha.c (code_for_builtin): Replace special-case
1967         builtin codes with ctzdi2, clzdi2, popcountdi2.
1968         (struct alpha_builtin_def): Add is_const.
1969         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
1970         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
1971         (alpha_init_builtins): Init them.  Set nothrow and const attributes
1972         on builtins.
1973         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
1974         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
1975         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
1976         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
1977         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
1978         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
1979         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
1980         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
1981         (TARGET_FOLD_BUILTIN): New.
1982         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
1983         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
1984         (ffsdi2): Use ctz.
1985         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
1986
1987 2005-03-08  Ira Rosen  <irar@il.ibm.com>
1988
1989         PR tree-optimization/20122
1990         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
1991         condition of access function instead of base.
1992
1993 2005-03-07  Jeff Law  <law@redhat.com>
1994             Steven Bosscher  <stevenb@suse.de>
1995
1996         * tree-cfg.c (find_taken_edge_computed_goto): New function.
1997         (find_taken_edge): Call find_taken_edge_computed_goto as
1998         appropriate.  Allow any gimple invariant rather than just
1999         INTEGER_CST for VAL.
2000         (cleanup_control_flow): Cleanup a computed goto which has turned
2001         into a simple goto.
2002         (tree_merge_blocks): If block B has any forced labels, move
2003         them to the start of block A.
2004         * tree-ssa-dom.c (thread_across_edge): Allow threading across
2005         computed gotos as well.
2006         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
2007         removal of unnecessary computed gotos too.
2008         (lookup_redirection_data): Fix type of INSERT argument.  Callers
2009         updated.
2010
2011 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
2012
2013         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
2014         Remove trailing spaces.
2015
2016         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
2017         unshare_all_trees): Make them static.
2018         * tree-gimple.h: Remove the corresponding prototypes.
2019
2020         * diagnostic.h: Remove unused prototype
2021         debug_output_buffer.
2022         * modulo-sched.c: Remove unused prototype
2023         set_row_column_for_ps.
2024
2025         * tree-ssa-phiopt.c (tree_ssa_phiopt,
2026         replace_phi_edge_with_variable): Remove unused variable i.
2027
2028 2005-03-07  Per Bothner  <per@bothner.com>
2029
2030         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
2031
2032 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
2033
2034         PR tree-opt/17671
2035         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
2036         bbs on the COND_EXPR instead of the PHI_NODEs.
2037         (candidate_bb_for_phi_optimization): Remove.
2038         (replace_phi_with_stmt): Rename to ...
2039         (replace_phi_edge_with_variable): this and change so that we
2040         replace the phi argument instead of removing the PHI.
2041         (conditional_replacement): Change so we deal with PHI with more
2042         than two arguments.
2043         (value_replacement): Likewise.
2044         (abs_replacement): Likewise.
2045
2046 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
2047
2048         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
2049         output_e500_flip_gt_bit.
2050
2051         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
2052         as bit 31.
2053         (rs6000_generate_compare): Fix logic to look at the correct bits.
2054         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
2055         Look at GT bit.
2056         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
2057         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
2058         gen_move_from_CR_gt_bit.
2059
2060         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
2061         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
2062         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
2063
2064         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
2065         (E500_CR_IOR_COMPARE): New constant.
2066
2067 2005-03-08  Earl Chew <earl_chew@agilent.com>
2068             David Billinghurst <David.Billinghurst@riotinto.com>
2069
2070         * config/i386/host-cygwin.c: New file to support precompiled
2071         headers on cygwin
2072         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
2073         * config.host: Use above files for cygwin host.
2074
2075 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
2076
2077         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
2078         ordering ops from earlier change.
2079
2080 2005-03-07  Per Bothner  <per@bothner.com>
2081
2082         Various fixes to allow us to again build if --enable-mapped-location:
2083         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
2084         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
2085         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
2086         local variable loc. Change logic appropriately.
2087         * tree-vect-transform.c (vect_finish_stmt_generation): Use
2088         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
2089         * c-parser.c (c_parser_for_statement): Initialize loc variable.
2090         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
2091         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
2092
2093 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
2094
2095         PR rtl-optimization/19683
2096         * reload1.c (choose_reload_regs): Pass the number of bits, not the
2097         number of bytes, to smallest_int_for_mode.  Fix arguments to
2098         REG_CANNOT_CHANGE_MODE_P.
2099
2100 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
2101
2102         * reorg.c (relax_delay_slots): Check that the jump is
2103         conditional before trying to invert it.
2104
2105 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2106
2107         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
2108         Make them static.
2109
2110         * calls (stack_arg_under_construction): Make it static.
2111
2112         * flow.c (regs_live_at_setjmp): Make it static.
2113         * flow.h: Remove the corresponding prototype.
2114
2115         * reload1.c (reload_startobj, reload_firstobj,
2116         something_needs_operands_changed, reload_inherited,
2117         reload_inheritance_insn, reload_override_in,
2118         reload_spill_index): Make them static.
2119
2120         * recog.c (verify_changes): Make it static.
2121         * recog.h: Remove the corresponding prototype.
2122
2123         * cfgbuild.c (find_sub_basic_blocks): Remove.
2124         * basic-block.h: Remove the corresponding prototype.
2125         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
2126         in comments.
2127         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
2128
2129         * tree-ssa-operands.c (check_build_stmt): Remove.
2130
2131         * stor-layout.c (set_alignment): Remove.
2132         * tree.h: Remove the corresponding prototype.
2133
2134         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
2135
2136         * tree-ssa-dce.c (control_dependence_map,
2137         visited_control_parents): Make them static.
2138
2139         * cfghooks.c (verify_flow_info): Remove local variable
2140         num_bb_notes.
2141
2142         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
2143         last_bb_seen.
2144
2145         * loop-unswitch.c (unswitch_loop): Remove local variable src.
2146
2147 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
2148
2149         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
2150
2151 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
2152
2153         * config/ia64/hpux.h (LINK_SPEC): Add -z.
2154         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
2155         PARALLEL for an empty structure.
2156
2157 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2158
2159         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
2160
2161         * fold-const.c (fold_binary): Unroll the very first "for"
2162         loop.
2163
2164 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
2165
2166         * config/rs6000/predicates.md (branch_comparison_operator): Remove
2167         redundant match_code test.
2168         (scc_comparison_operator): Swap match_operand and match_code
2169         tests.
2170         (branch_positive_comparison_operator): Same.
2171         (trap_comparison_operator): Use comparison_operator and swap with
2172         match_code test.
2173
2174 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2175
2176         PR target/20288
2177         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
2178         (out_movhi_r_mr): Read low byte of volatile MEM first.
2179         (out_movhi_mr_r): Write high byte of volatile MEM first.
2180
2181 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2182
2183         * cselib.c (reg_values, reg_values_size): Make them static.
2184
2185         * cse.c (cse_reg_info_table): Make it static.
2186
2187         * fold-const.c (fold_unary): Use build1 instead of copy_node.
2188
2189 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
2190
2191         * cse.c (find_best_addr): Use canon_for_address.
2192
2193 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2194
2195         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
2196         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
2197         SUBREG and MEM, respectively.
2198
2199         * fold-const.c (fold_binary): Use code instead of t.
2200
2201         * fold-const.c (optimize_minmax_comparison): Take decomposed
2202         arguments code, type, op0, and op1 instead of t.
2203         (fold_binary): Update a call to optimize_minmax_comparison.
2204
2205         * fold-const.c (fold_range_test): Take decomposed arguments
2206         code, type, op0, and op1 instead of t.
2207         (fold_binary): Update a call to fold_range_test.
2208
2209         * fold-const.c (fold_binary_op_with_conditional_arg): Take
2210         decomposed arguments code, type, op0, and op1 instead of t.
2211         (fold_binary): Update a call to fold_range_test.
2212
2213 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2214
2215         * fold-const.c (fold_binary): Avoid directly using the original
2216         expression t as much as possible.
2217
2218 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2219
2220         * c-semantics.c (build_stmt): Use TYPE_P instead of
2221         IS_NON_TYPE_CODE_CLASS.
2222         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
2223         (NON_TYPE_CHECK): Use TYPE_P instead of
2224         IS_NON_TYPE_CODE_CLASS.
2225
2226         * fold-const.c (fold): Remove handling of binary expressions.
2227
2228 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
2229
2230         * doc/c-tree.texi: Wrap comments in @r{}.
2231         * doc/cpp.texi: Likewise.
2232         * doc/cppinternals.texi: Likewise.
2233         * doc/extend.texi: Likewise.
2234         * doc/md.texi: Likewise.
2235         * doc/objc.texi: Likewise.
2236         * doc/sourcebuild.texi: Likewise.
2237         * doc/tm.texi: Likewise.
2238         * doc/tree-ssa.texi
2239
2240 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2241
2242         * predict.c (apply_return_prediction): Standardize PHI chain
2243         walking.
2244         * tree-ssa.c (ssa_redirect_edge): Likewise.
2245
2246         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
2247         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
2248         Update copyright.
2249
2250         * tree-phinodes.c (remove_phi_node): Drop the last argument.
2251         * tree-flow.h: Adjust the prototype for remove_phi_node.
2252         * lambda-code.c (perfect_nestify): Adjust a call to
2253         remove_phi_node.
2254         * tree-cfg.c
2255         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
2256         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
2257         Likewise.
2258         * tree-ssa-dce.c (remove_dead_phis): Likewise.
2259         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2260         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2261         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
2262
2263         * combine.c (simplify_and_const_int): Use gen_int_mode instead
2264         of GEN_INT (trunc_int_for_mode (...)).
2265         * loop-iv.c (iv_number_of_iterations): Likewise.
2266         * postreload.c (reload_cse_move2add): Likewise.
2267         * simplify-rtx.c (simplify_const_unary_operation,
2268         simplify_const_binary_operation): Likewise.
2269         * stor-layout.c (get_mode_bounds): Likewise.
2270
2271         * fold-const.c (fold_binary): New.
2272         (fold): Call fold_binary on binary expressions.
2273
2274 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
2275
2276         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
2277         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
2278         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
2279         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
2280         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
2281
2282 2005-03-04  Devang Patel  <dpatel@apple.com>
2283
2284         PR tree-optimization/18815
2285         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
2286         loops with zero exit edges.
2287
2288 2005-03-04  Devang Patel  <dpatel@apple.com>
2289
2290         * doc/invoke.texi: Remove reference to webpage that does not exist.
2291
2292 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
2293             Joseph S. Myers  <joseph@codesourcery.com>
2294
2295         PR c++/19797
2296         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
2297         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
2298         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
2299         * pa.c (get_plabel): Change argument to symbol_ref.  Call
2300         maybe_get_identifier instead of get_identifier.
2301         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
2302         (struct deferred_plabel): Replace name field with symbol field.
2303         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
2304         ASM_OUTPUT_EXTERNAL_REAL is defined.
2305         (output_global_address): Use output_addr_const for output of all
2306         symbol_refs.
2307         (output_deferred_plabels): Use symbol_ref instead of name for address
2308         output.
2309         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
2310         ASM_OUTPUT_SYMBOL_REF): New macros.
2311         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
2312         comment.
2313         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
2314         label.
2315
2316 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
2317
2318         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
2319         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
2320
2321 2005-03-04  Jeff Law  <law@redhat.com>
2322
2323         * basic-block.h (rediscover_loops_after_threading): Declare.
2324         * tree-ssa-dom.c: Include cfgloop.h.
2325         (tree_ssa_dominator_optimize): Discover loops and some basic
2326         properties.  Remove forwarder blocks recreated by loop header
2327         canonicalization.  Also mark backedges in the CFG.
2328         * tree-ssa-threadupdate.c: Include cfgloop.h
2329         (rediscover_loops_after_threading): Define.
2330         (struct local_info): New field, JUMP_THREADED.
2331         (prune_undesirable_thread_requests): New function.
2332         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
2333         then record that fact for the callers of redirct_edges.
2334         (thread_block): If BB has incoming backedges, then call
2335         prune_undesirable_thraed_requests.    Note when we are
2336         going to have to rediscover loop information.  Return a
2337         boolean indicating if any jumps were threaded.
2338         (thread_through_all_blocks): Bubble up boolean indicating
2339         if any jumps were threaded.
2340         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
2341         (tree-ssa-threadupdate.o): Similarly.
2342
2343 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2344
2345         * fold-const.c (fold_ternary): Unroll the "for" loop to
2346         extract operands.
2347
2348 2005-03-04  Andrew Haley  <aph@redhat.com>
2349
2350         * unwind-dw2-fde-glibc.c (struct
2351         unw_eh_callback_data.check_cache): New field.
2352         (frame_hdr_cache): New.
2353         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
2354         Cache frame header info.
2355
2356 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
2357
2358         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
2359         (print_c_condition): Declare.
2360         * read-rtl.c (ptr_loc): New structure.
2361         (ptr_locs, ptr_loc_obstack, joined_conditions)
2362         (joined_conditions_obstack): New variables.
2363         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
2364         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
2365         (join_c_conditions, print_c_condition): New functions.
2366         (apply_macro_to_string): Associate the new string with the same
2367         source location as the old one.
2368         (add_condition_to_string): Use join_c_conditions.
2369         (read_string): Use set_rtx_ptr_loc to record a filename and line
2370         number for the string.
2371         (read_rtx): Initialize the new variables above.
2372         * genattrtab.c (write_test_expr, write_attr_value): Use
2373         print_c_condition.
2374         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
2375         comment above the GCC_VERSION check.
2376         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
2377         Inline the definition of MAYBE_EVAL.
2378         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
2379         * genoutput.c (process_template): Likewise.
2380         * genpreds.c (write_predicate_subfunction): Likewise.
2381         (write_predicate_expr): Use print_c_condition.
2382         * genrecog.c (write_cond): Likewise.
2383         * gensupport.c (process_rtx): Use join_c_conditions to join the
2384         conditions of a define_insn_and_split.  Record a source location
2385         for the string after the "&&".
2386         (alter_test_for_insn): Use join_c_conditions.
2387
2388 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
2389
2390         Revert for now:
2391         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2392         PR tree-optimization/15784
2393         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2394         and -1 - A to ~A.
2395
2396 2005-03-04  Ben Elliston  <bje@au.ibm.com>
2397
2398         * gcc.c (option_map): Add --coverage.
2399         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
2400         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
2401         * config/darwin.h: Pass -lgcov for `coverage'.
2402         * doc/invoke.texi (Debugging Options): Document --coverage.
2403
2404 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2405
2406         * gcse.c (bypass_block): Use find_edge wherever possible.
2407
2408 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
2409
2410         Fix PR debug/20253
2411
2412         * c-opts.c (c_common_parse_file): Call start_source_file
2413         and end_source_file at the approriate times.
2414
2415         * dwarf2out.c (dwarf2out_finish): Don't auto-end
2416         the main file, it will be done for us now.
2417
2418 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2419
2420         * fold-const.c (fold_ternary): New.
2421         (fold): Call fold_ternary on ternary expressions.  Remove
2422         handling of ternary expressions.
2423
2424 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2425
2426         PR tree-optimization/15784
2427         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2428         and -1 - A to ~A.
2429
2430 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
2431
2432         * config/rs6000/predicates.md (branch_comparison_operator):
2433         Convert from C block to conditional format.
2434
2435 2005-03-03  Jan Hubicka  <jh@suse.cz>
2436
2437         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
2438         and non-constant public variables.
2439
2440 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
2441
2442         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
2443         with LABEL_EXPR.
2444
2445         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
2446         EDGE_I.
2447
2448         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
2449         calls to release_ssa_name and release_phi_node.
2450
2451         * fold-const.c (fold): Remove handling of unary expressions.
2452
2453         * fold-const.c (fold_unary): Avoid directly using the original
2454         expression t as much as possible.
2455
2456 2005-03-03  Roger Sayle  <roger@eyesopen.com>
2457             Andrew Pinski  <pinskia@physics.uc.edu>
2458
2459         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
2460         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
2461
2462 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
2463
2464         Describe special registers SRP and MOF as allocatable registers.
2465         * config/cris/cris.c (cris_md_asm_clobbers): New function.
2466         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
2467         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
2468         TARGET_HAS_MUL_INSNS.
2469         (cris_print_operand) <case 'd'>: New case.
2470         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
2471         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
2472         define.
2473         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
2474         (REG_ALLOC_ORDER): Update for MOF.
2475         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
2476         SPECIAL_REGS.
2477         (GENERAL_REGS): No longer a define of ALL_REGS.
2478         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
2479         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
2480         Adjust accordingly.
2481         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
2482         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
2483         (SECONDARY_RELOAD_CLASS): Define.
2484         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
2485         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
2486         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
2487         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
2488         (REGISTER_MOVE_COST): Define.
2489         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
2490         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
2491         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
2492         (CRIS_MOF_REGNUM): New define_constants.
2493         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
2494         special registers.
2495         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
2496         New patterns.
2497         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
2498         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
2499         Adjust for MOF being properly described as a register.
2500         (indir_to_reg_split): Name this split.  Conditionalize on the
2501         destination register being a general register.
2502         (movei): Conditionalize on on operands 0 and 1 having the same
2503         register class.
2504
2505 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
2506
2507         PR target/20277
2508         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
2509         -mcpu to override any other explicitly given flags.
2510
2511 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
2512
2513         * recog.c (verify_changes, confirm_change_group): New functions,
2514         broken out of apply_change_group.
2515         (apply_change_group): Use them.
2516         * recog.h (verify_change, confirm_change_group): Declare.
2517         * rtl.h (redirect_jump_2): Declare.
2518         * jump.c (redirect_exp, invert_exp): Delete.
2519         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
2520         (redirect_jump_2): New function, broken out of redirect_jump.
2521         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
2522         (invert_jump): Use invert_jump_1 and redirect_jump_2.
2523         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
2524
2525 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
2526
2527         * varasm.c (named_section): Use xstrdup rather than doing it by
2528         hand.
2529
2530         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
2531
2532 2005-03-02  Devang Patel  <dpatel@apple.com>
2533
2534         Undo PR tree-optimization/18815 fix.
2535
2536 2005-03-02  Devang Patel  <dpatel@apple.com>
2537
2538         PR tree-optimization/18815
2539         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
2540         loops with zero exit edges.
2541
2542 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
2543
2544         * cfg.c (connect_src, connect_dest, disconnect_src,
2545         disconnct_dest): New.
2546         (unchecked_make_edge, remove_edge, redirect_edge_succ,
2547         redirect_edge_pred): Use the new functions.
2548
2549         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
2550         free_dominance_info only when needed.
2551
2552 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
2553
2554         PR target/20276
2555         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
2556         (reg_or_sub_cint64_operand): Same.
2557
2558 2005-03-02  Jeff Law  <law@redhat.com>
2559
2560         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
2561         CFG_ALTERED in the main DOM iteration loop.
2562
2563 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
2564
2565         PR c++/19916
2566         * varasm.c (initializer_constant_valid_p): Allow conversions
2567         between OFFSET_TYPEs.  Tidy.
2568
2569 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
2570
2571         * config/cris/cris.md ("return"): Remove epilogue delay list
2572         sanity check.
2573
2574 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
2575
2576         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
2577         for Thumb.
2578         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
2579
2580 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
2581
2582         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
2583         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
2584         config/m68k/m68k.c, config/mips/mips.h,
2585         config/rs6000/rs6000-protos.h, doc/contrib.texi,
2586         doc/include/gcc-common.texi: Update copyright.
2587
2588         PR middle-end/18029 and PR middle-end/18030
2589         * expr.c (optimize_bitfield_assignment_op): Add a special case
2590         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
2591
2592         * fold-const.c (fold_unary): New.
2593         (fold): Call fold_unary on unary expressions.
2594
2595 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
2596
2597         * cgraph.h (struct cgraph_edge): Add prev_caller and
2598         prev_callee fields.
2599         (cgraph_node_remove_callees): Export.
2600         * cgraph.c (cgraph_create_edge): Initialize prev_caller
2601         and prev_callee.
2602         (cgraph_edge_remove_callee): New function.
2603         (cgraph_edge_remove_caller): Likewise.
2604         (cgraph_remove_edge): Use.
2605         (cgraph_redirect_edge_callee): Likewise.
2606         (cgraph_node_remove_callees): New function.
2607         (cgraph_node_remove_callers): Likewise.
2608         (cgraph_remove_node): Use.
2609         * tree-optimize.c (tree_rest_of_compilation): Use
2610         cgraph_node_remove_callees instead of manual loop.
2611         * cgraphunit.c (cgraph_finalize_function): Likewise.
2612         (cgraph_expand_function): Likewise.
2613         (cgraph_remove_unreachable_nodes): Likewise.
2614
2615 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
2616
2617         PR c/8927
2618         * c-tree.h (undeclared_variable, build_external_ref): Add extra
2619         argument.
2620         * c-decl.c (undeclared_variable): Take location as argument.
2621         * c-typeck.c (build_external_ref): Likewise.
2622         * c-parser.c (c_parser_postfix_expression): Pass location of
2623         identifier to build_external_ref.
2624
2625 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
2626
2627         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
2628         CCEQ mode for branch_positive_comparison_operator test.
2629         * config/rs6000/predicates (branch_comparison_operator): Revert to
2630         define_predicate.
2631         (scc_comparison_operator): Same.
2632         (branch_positive_comparison_operator): Same.
2633
2634 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
2635
2636         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
2637         (cris_delay_slots_for_epilogue): Remove.
2638         (save_last): Move into cris_target_asm_function_epilogue.
2639         (cris_target_asm_function_epilogue): Remove tests for file being
2640         NULL.
2641         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
2642         (cris_delay_slots_for_epilogue): Remove prototypes.
2643         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
2644         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
2645
2646 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
2647
2648         * config/rs6000/predicates.md (branch_comparison_operator): Change
2649         to define_special_predicate.
2650         (scc_comparison_operator): Same.
2651         (branch_positive_comparison_operator): Same.
2652
2653 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
2654
2655         * Makefile.in (tree-ssa-sink.o): New.
2656         (OBJS-common): Add tree-ssa-sink.o.
2657         * common.opt: Add -ftree-sink
2658         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
2659         * timevar.def (TV_TREE_SINK): new timevar.
2660         * tree-flow.h (is_hidden_global_store): Prototype.
2661         * tree-optimize.c (init_tree_optimization_passes): Add
2662         pass_sink_code.
2663         * tree-pass.h (pass_sink_code): New.
2664         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
2665         for non-obvious global store store to is_hidden_global_store, and
2666         call that new function.
2667         * tree-ssa-sink.c: New file.
2668         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
2669         * doc/passes.texi: Document forward store motion.
2670         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
2671         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
2672         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
2673         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
2674
2675 2005-03-01  Per Bothner  <per@bothner.com>
2676
2677         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
2678         and we have a non-zero column-number, add it to the message.
2679         Also factor out the diagnostic_kind_text.
2680
2681 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
2682
2683         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
2684         flow_loop_pre_header_scan, flow_loop_pre_header_find,
2685         flow_loop_scan): Removed.
2686         (flow_loop_dump): Do not dump removed fields.
2687         (flow_loop_free): Do not free removed fields.
2688         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
2689         (loop_exit_edge_p): New function.
2690         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
2691         num_pre_header_edges, entry_edges, num_entries, exit_edges,
2692         num_exits, exits_doms.
2693         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
2694         LOOP_EDGES, LOOP_ALL): Removed.
2695         (flow_loop_scan): Declaration removed.
2696         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
2697         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
2698         flow_loops_find.
2699         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
2700         (if_convert): Call flow_loops_find and flow_loops_free
2701         when calling mark_loop_exit_edges.
2702         * cfgloopanal.c (mark_loop_exit_edges): Moved from
2703         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
2704         free_dominance_info calls.
2705         * loop-init.c (flow_loops_find): Ditto.
2706         * passes.c (rest_of_handle_branch_prob): Ditto.
2707         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
2708         * loop-unroll.c (analyze_insns_in_loop): Do not use
2709         EDGE_LOOP_EXIT.
2710         * predict.c (predict_loops): Do not call flow_loop_scan.
2711         Use get_loop_exit_edges.
2712         (tree_estimate_probability): Do not pass flags to flow_loops_find.
2713         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
2714         Do not use EDGE_LOOP_EXIT.
2715         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
2716         to bb_with_exit_edge_p.
2717         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
2718         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
2719         to bb_with_exit_edge_p.
2720         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
2721         EDGE_LOOP_EXIT.
2722         * tree-loop-linear.c (linear_transform_loops): Do not call
2723         flow_loop_scan.  Use loop->single_exit.
2724         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
2725         (vect_analyze_loop_form): Do not call flow_loop_scan.
2726         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
2727         loop->single_exit.
2728         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
2729         loop->single_exit.
2730         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2731         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2732         slpeel_tree_duplicate_loop_to_edge_cfg,
2733         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2734         Use loop_preheader_edge and loop->single_exit.  Do not call
2735         flow_loop_scan.
2736
2737 2005-03-01  Nick Clifton  <nickc@redhat.com>
2738
2739         * config/arm/arm.c (thumb_find_work_register): Check all of the
2740         argument registers to see if they are free, and a couple of
2741         special cases where the last argument register but can be proved
2742         to be available during the function's prologue.
2743         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
2744         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
2745         thumb_unexpanded_epilogue): Use unsigned long as the type for the
2746         register bit-mask.
2747         (thumb_compute_save_reg_mask): Likewise.  Also use
2748         thumb_find_work_register() to ensure that there is agreement about
2749         which work register is going to be used in the prologue.
2750         (thumb_output_function_prologue): Use unsigned long as the type
2751         for the register bit-mask.  Also delay pushing the link register if
2752         other high registers are going to be pushed.
2753         (thumb_compute_save_reg_mask, emit_multi_reg_push,
2754         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
2755         redundant prototypes.
2756
2757 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
2758
2759         PR target/19819
2760         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
2761         and after reload in REG+REG indexed addresses without REG_POINTER
2762         set in the base and not set in the index.
2763
2764 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2765
2766         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
2767         Don't undefine here.
2768         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
2769         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
2770         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
2771         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
2772         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
2773         Delete.
2774         * config.gcc (sh*-*-linux*): Use config/linux.h.
2775
2776 2005-02-28  Dale Johannesen  <dalej@apple.com>
2777             Stan Shebs  <shebs@apple.com>
2778
2779         Rewrite of 64-bit Darwin structure-by-value pass/return.
2780         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
2781         intoffset, use_stack, named.
2782         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
2783         (rs6000_darwin64_record_arg_advance_flush):  New.
2784         (rs6000_darwin64_record_arg_advance_recurse): New.
2785         (rs6000_darwin64_record_arg_flush):  New.
2786         (rs6000_darwin64_record_arg_recurse):  New.
2787         (rs6000_darwin64_record_arg):  New.
2788         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
2789         (function_arg_boundary):  Handle 128-bit aligned structs.
2790         (function_arg_advance):  Rewrite darwin64 struct handling.
2791         (function_arg):  Call rs6000_darwin64_record_arg.
2792         (function_arg_partial_nregs):  Handle darwin64 structs.
2793         (rs6000_darwin64_function_value):  Remove.
2794         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
2795
2796 2005-02-28  Roger Sayle  <roger@eyesopen.com>
2797
2798         PR tree-optimization/20216
2799         * tree-chrec.c (tree_fold_factorial): Delete.
2800         (tree_fold_binomial): Change argument list to take a return type
2801         and change the type of K to unsigned int.  Rewrite to avoid explicit
2802         evaluation of factorials, and (recursively) calling fold to perform
2803         compile-time arithmetic.  Return NULL on (internal) overflow.
2804         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
2805         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
2806         if any intermediate calculation overflows.
2807         (chrec_apply): Update call to chrec_evaluate.
2808
2809 2005-02-28  James E Wilson  <wilson@specifixinc.com>
2810
2811         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
2812
2813 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
2814
2815         PR c/20245
2816         * c-parser.c (c_parser_compound_statement): Return error_mark_node
2817         instead of NULL_TREE on error.
2818
2819 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
2820
2821         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
2822         (EASY_VECTOR_15_ADD_SELF): Remove.
2823         (num_insns_constant_wide): Not static.
2824         (validate_condition_mode): Not static.
2825         (toc_relative_expr_p): Not static.
2826         (legitimate_indirect_address_p): Not static.
2827         (macho_lo_sum_memory_operand): Not static.
2828         (invalid_e500_subreg): Not static.
2829         (easy_vector_same): Not static.
2830         (easy_vector_splat_const): Not static.
2831         (RS6000_SYMBOL_REF_TLS_P): Remove.
2832         (any_operand): Delete.
2833         (any_parallel_operand): Delete.
2834         (count_register_operand): Delete.
2835         (altivec_register_operand): Delete.
2836         (xer_operand): Delete.
2837         (s8bit_cint_operand): Delete.
2838         (short_cint_operand): Delete.
2839         (u_short_cint_operand): Delete.
2840         (non_short_cint_operand): Delete.
2841         (exact_log2_cint_operand): Delete.
2842         (gpc_reg_operand): Delete.
2843         (cc_reg_operand): Delete.
2844         (cc_reg_not_cr0_operand): Delete.
2845         (reg_or_short_operand): Delete.
2846         (reg_or_neg_short_operand): Delete.
2847         (reg_or_aligned_short_operand): Delete.
2848         (reg_or_u_short_operand): Delete.
2849         (reg_or_cint_operand): Delete.
2850         (reg_or_arith_cint_operand): Delete.
2851         (reg_or_add_cint64_operand): Delete.
2852         (reg_or_sub_cint64_operand): Delete.
2853         (reg_or_logical_cint_operand): Delete.
2854         (got_operand): Delete.
2855         (got_no_const_operand): Delete.
2856         (easy_fp_constant): Delete.
2857         (easy_vector_constant): Delete.
2858         (easy_vector_constant_add_self): Delete.
2859         (zero_constant): Delete.
2860         (zero_fp_constant): Delete.
2861         (volatile_mem_operand): Delete.
2862         (offsettable_mem_operand): Delete.
2863         (mem_or_easy_const_operand): Delete.
2864         (add_operand): Delete.
2865         (non_add_cint_operand): Delete.
2866         (logical_operand): Delete.
2867         (non_logical_cint_operand): Delete.
2868         (mask_operand): Delete.
2869         (mask_operand_wrap): Delete.
2870         (mask64_operand): Delete.
2871         (mask64_2_operand): Delete.
2872         (and64_operand): Delete.
2873         (and64_2_operand): Delete.
2874         (and_operand): Delete.
2875         (reg_or_mem_operand): Delete.
2876         (lwa_operand): Delete.
2877         (symbol_ref_operand): Delete.
2878         (call_operand): Delete.
2879         (current_file_function_operand): Delete.
2880         (input_operand): Delete.
2881         (rs6000_nonimmediate_operand): Delete.
2882         (rs6000_tls_symbol_ref): Delete.
2883         (save_world_operation): Delete.
2884         (restore_world_operation): Delete.
2885         (load_multiple_operation): Delete.
2886         (store_multiple_operation): Delete.
2887         (vrsave_operation): Delete.
2888         (mfcr_operation): Delete.
2889         (mtcrf_operation): Delete.
2890         (lmw_operation): Delete.
2891         (stmw_operation): Delete.
2892         (branch_comparison_operator): Delete.
2893         (branch_positive_comparison_operator): Delete.
2894         (scc_comparison_operator): Delete.
2895         (trap_comparison_operator): Delete.
2896         (boolean_operator): Delete.
2897         (boolean_or_operator): Delete.
2898         (min_max_operator): Delete.
2899         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
2900         (EASY_VECTOR_15): Moved to here.
2901         (EASY_VECTOR_15_ADD_SELF): Move to here.
2902         (PREDICATE_CODES): Delete.
2903         * config/rs6000/rs6000-protos.h: Delete predicate functions.
2904         Declare functions no longer static.
2905         * config/rs6000/predicates.md: New.
2906         * config/rs6000/rs6000.md: Include predicates.md
2907
2908 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
2909
2910         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
2911         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
2912         REG_ALWAYS_RETURN.
2913         * cfgrtl.c (need_fake_edge_p): Likewise.
2914         * combine.c (distribute_notes): Likewise.
2915         * emit-rtl.c (try_split): Likewise.
2916         * recog.c (peephole2_opimize): Likewise.
2917         * reg-notes.def (ALWAYS_RETURN): Remove.
2918         * rtl.h (LCT_ALWAYS_RETURN): Remove.
2919         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
2920         * tree.h (ECF_ALWAYS_RETURN): Remove.
2921
2922 2005-02-28  Roger Sayle  <roger@eyesopen.com>
2923
2924         PR middle-end/19874
2925         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
2926         between different machine modes is never a "useless" conversion.
2927
2928 2005-02-28  Geert Bosch  <bosch@gnat.com>
2929
2930         PR ada/15977
2931         * doc/contrib.texi: List contributors for Ada front end
2932
2933 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
2934
2935         * simplify-rtx.c (simplify_unary_operation_1,
2936         simplify_const_unary_operation): New, extracted from...
2937         (simplify_unary_operation): ... this one.
2938         (simplify_binary_operation_1,
2939         simplify_const_binary_operation): New, extracted from...
2940         (simplify_binary_operation): ... this one.
2941         * rtl.h (simplify_const_unary_operation,
2942         simplify_const_binary_operation): Add prototypes.
2943
2944 2005-02-28  Julian Brown  <julian@codesourcery.com>
2945
2946         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
2947         building libjava and caused PR regression/20228.
2948
2949 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
2950
2951         PR bootstrap/17383
2952         * Makefile.in (host_subdir): New.
2953         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
2954         * configure: Regenerate.
2955
2956 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
2957
2958         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
2959         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
2960         installation directory first.
2961
2962 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
2963
2964         PR target/19065.
2965         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
2966         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
2967         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
2968         * config/cris/cris.md: Tweak comments referring to Q.
2969         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
2970         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
2971         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
2972         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
2973         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
2974         Insert spaces in constraints to align alternatives vertically for
2975         readability.
2976         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
2977         operand 1: "M".
2978
2979 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2980
2981         PR rtl-optimization/17728
2982         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
2983         operand 0 from general_operand to move_dest_operand.
2984
2985 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2986
2987         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
2988         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
2989         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
2990         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
2991
2992 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
2993
2994         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
2995         * configure: Regenerate.
2996         * libada-mk.in: Remove CC; rename
2997         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
2998
2999 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
3000
3001         PR tree-opt/20188
3002         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
3003         for the lhs, also walk over the tree.  Likewise for rhs.
3004
3005 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
3006
3007         * tree-ssa-dom.c (simple_iv_increment_p): New function.
3008         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
3009         Do not propagate value of iv before increment over the increment.
3010
3011 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
3012
3013         * c-parser.c: New file.
3014         * c-parse.in: Remove.
3015         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
3016         Remove.
3017         (c-parser.o): Add dependencies.
3018         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
3019         maintainer-clean, TAGS): Update.
3020         * c-config-lang.in (gtfiles): Update.
3021         * gengtype-lex.l: Don't handle "@@".
3022         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
3023         objc_build_synchronized, objc_begin_try_stmt,
3024         objc_begin_catch_clause, objc_finish_catch_clause,
3025         objc_build_finally_clause, objc_finish_try_stmt): New.
3026         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
3027         type_seen_p.
3028         (c_parse_init): Update comment.
3029         * c-decl.c (c_init_decl_processing): Update comment.
3030         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
3031         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
3032         new c_declspecs members.
3033
3034 2005-02-25  Julian Brown  <julian@codesourcery.com>
3035
3036         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
3037         from being used for symbols with vague linkage when
3038         HAVE_GAS_COMDAT_GROUP is true.
3039
3040 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
3041
3042         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
3043
3044 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
3045
3046         PR target/19930
3047         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
3048         (LIBGCC2_HAS_DF_MODE): New.
3049         (LIBGCC2_HAS_XF_MODE): New.
3050         (LIBGCC2_HAS_TF_MODE): New.
3051         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3052         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3053         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
3054         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
3055         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
3056         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
3057         and add _fixtfdi, _fixunstfdi, _floatditf
3058         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
3059         L_fixunstfdi, L_floatditf.
3060         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
3061         (LIBGCC2_HAS_TF_MODE): Define.
3062
3063 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
3064
3065         PR tree-optimization/20204
3066         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
3067         REWRITE_THIS_STMT markers on PHI nodes.
3068         (rewrite_initialize_block): Likewise.
3069
3070 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
3071
3072         * version.c (version_string): Update to 4.1.
3073
3074 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
3075
3076         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
3077         Clarify that the alternative way doesn't work in GNU C++.
3078
3079 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3080
3081         PR tree-optimization/19937
3082         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
3083         to the type of the induction variable.
3084
3085 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3086
3087         PR rtl-optimization/20117
3088         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
3089         the block including noncopyable insn.
3090
3091 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3092
3093         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
3094         calls to find_reg_note.
3095
3096 2005-02-24  Richard Henderson  <rth@redhat.com>
3097
3098         PR tree-opt/20127
3099         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
3100         the type.
3101
3102 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
3103
3104         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
3105         vector types if to use base reg for misaligned non-word ld/std.
3106
3107 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3108
3109         PR target/14619
3110         * config/cris/cris.c (cris_target_asm_function_prologue): Create
3111         dwarf2 label manually and put it after, not before the prologue.
3112
3113 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
3114
3115         PR target/19019
3116         * reload.c (operands_match_p): Only increment register number for
3117         SCALAR_INT_MODE_P modes in multiple hard registers.
3118
3119         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
3120         Fix formatting.
3121
3122 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3123
3124         * ChangeLog.5: Fix log message typo(s).
3125         * ChangeLog.7: Likewise.
3126         * ChangeLog.tree-ssa: Likewise.
3127         * cfgexpand.c: Fix comment typo(s).
3128         * conflict.c: Likewise.
3129         * defaults.h: Likewise.
3130         * dwarf2out.c: Likewise.
3131         * gcse.c: Likewise.
3132         * ggc-page.c: Likewise.
3133         * tree-eh.c: Likewise.
3134         * tree-ssa-dom.c: Likewise.
3135
3136 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
3137
3138         PR target/19019
3139         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
3140         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
3141         if SHARED is defined.
3142
3143         PR target/20196
3144         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
3145         allow splitting only if operands 0 and 3 don't overlap.
3146
3147 2005-02-24  Richard Henderson  <rth@redhat.com>
3148
3149         PR middle-end/19953
3150         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
3151         (fold_builtin_1): Call them.
3152         * fold-const.c (fold_complex_mult_parts): Split out from ...
3153         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
3154         (fold_complex_div_parts, fold_complex_div): New.
3155         (fold): Use them.
3156         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
3157
3158 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3159
3160         * tree-ssa-ccp.c (visit_assignment): Verify that result of
3161         VIEW_CONVERT_EXPR is_gimple_min_invariant.
3162
3163         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
3164         (print_node): Likewise.
3165         Print TYPE_SIZES_GIMPLIFIED.
3166
3167 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3168
3169         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
3170         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
3171         operands as commutative in constraints.
3172
3173 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
3174
3175         * tree-into-ssa.c: Re-organize internal functions.
3176
3177 2005-02-24  Richard Henderson  <rth@redhat.com>
3178
3179         PR middle-end/18902
3180         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
3181         for c99.
3182         * common.opt (fcx-limited-range): New.
3183         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
3184         * toplev.c (flag_complex_method): Initialize to 1.
3185         (process_options): Set flag_complex_method to 0 if
3186         flag_cx_limited_range.
3187         * doc/invoke.texi (-fcx-limited-range): New.
3188
3189 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3190
3191         * cse.c (delete_trivially_dead_insns): Speed up by using
3192         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
3193         prev_real_insn.
3194
3195 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
3196
3197         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
3198         functions when -mid-shared-library is being used.
3199
3200 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3201
3202         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
3203         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
3204         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
3205         * system.h: Poison LINK_LIBGCC_SPECIAL.
3206
3207 2005-02-23  James E Wilson  <wilson@specifixinc.com>
3208
3209         * gengtype.c (note_insn_name): Make 1 element larger.
3210
3211 2005-02-23  Roger Sayle  <roger@eyesopen.com>
3212
3213         PR target/20018
3214         PR rtl-optimization/20097
3215         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3216         BImode SUBREGs of SImode registers which confuse the ia64 backend.
3217
3218 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
3219
3220         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
3221         * t-aix52 (SHLIB_INSTALL): Same.
3222
3223 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
3224
3225         * genpreds.c: Update copyright.
3226
3227 2005-02-23  Michael Beach  <michaelb@ieee.org>
3228
3229         PR target/20159
3230         * config/sparc/t-elf (startup files): Assemble with CPP.
3231
3232 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
3233
3234         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
3235         (write_predicate_expr): Likewise.
3236
3237 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3238
3239         PR tree-optimization/20100
3240         PR tree-optimization/20115
3241         * tree-optimize.c (init_tree_optimization_passes): Remove
3242         pass_maybe_create_global_var.
3243         * tree-pass.h (pass_maybe_create_global_var): Remove.
3244         * tree-ssa-alias.c (aliases_computed_p): Declare.
3245         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
3246         (count_calls_and_maybe_create_global_var): Remove.
3247         (pass_maybe_create_global_var): Remove.
3248         (init_alias_info): Do not declare aliases_computed_p.
3249         (maybe_create_global_var): If the function contains no
3250         call-clobbered variables and a mix of pure/const and regular
3251         function calls, create .GLOBAL_VAR.
3252         Mark all call-clobbered variables for renaming.
3253         (merge_pointed_to_info): Update comment.
3254         (add_pointed_to_var): Likewise.
3255         (is_escape_site): Likewise.
3256         Accept struct alias_info * instead of size_t *.
3257         Update all users.
3258         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
3259         as necessary.
3260         * tree-ssa-operands.c (get_call_expr_operands): If
3261         ALIASES_COMPUTED_P is false, do not add call-clobbering
3262         operands.
3263         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
3264         (delete_tree_ssa): Likewise.
3265
3266 2005-02-22  James E Wilson  <wilson@specifixinc.com>
3267
3268         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
3269         (do_compile): Do call it here.
3270
3271 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3272
3273         PR rtl-optimization/20017.
3274         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
3275         rest_of_handle_cse2, rest_of_handle_gcse): Call
3276         delete_dead_jumptables immediately before calling cleanup_cfg.
3277
3278 2005-02-22  Devang Patel  <dpatel@apple.com>
3279
3280         PR 19952
3281         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
3282         all labels
3283
3284 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
3285
3286         * config/rs6000/aix.h (WINT_TYPE): Define.
3287
3288 2005-02-22  Stan Shebs  <shebs@apple.com>
3289
3290         * config/rs6000/rs6000.c (rs6000_override_options): Default to
3291         natural alignment for 64-bit Darwin.
3292         (rs6000_parse_alignment_option): Warn about uses of -malign-power
3293         on 64-bit Darwin.
3294         * doc/invoke.texi: Document this.
3295
3296 2005-02-22  DJ Delorie  <dj@redhat.com>
3297
3298         * c-common.c (c_common_type_for_mode): Pass the mode's precision
3299         to make_[un]signed_type, not the mode itself.
3300
3301 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3302
3303         * cfg.c (cached_make_edge): Call make_edge if edge cache is
3304         not available.  Use tail calls wherever possible.
3305         (make_edge): Call unchecked_make_edge to create an edge.
3306
3307         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
3308         (coalesce_ssa_name): Don't check for
3309         SSANORM_USE_COALESCE_LIST.
3310         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
3311
3312 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3313
3314         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
3315         (rewrite_into_ssa): ... here.
3316
3317 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
3318
3319         PR tree-optimization/19786
3320         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
3321         tag to another's may-alias bitmap when adding to the other's list.
3322
3323 2005-02-21  DJ Delorie  <dj@redhat.com>
3324
3325         * tree-ssa-loop-ivopts.c (computation_cost): Start register
3326         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
3327         registers in unsupported ways.
3328         * expmed.c (init_expmed): Likewise.
3329
3330 2005-02-21  Stan Cox  <scox@redhat.com>
3331
3332         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
3333
3334 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3335
3336         * tree-cfg.c (fold_cond_expr_cond): New.
3337         (make_edges): Call fold_cond_expr_cond.
3338         (find_taken_edge): Accept nothing but INTEGER_CST.
3339         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
3340         and 1.
3341         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
3342
3343         * flow.c (delete_dead_jumptables): Speed up by scanning insns
3344         that do not belong to any basic block.
3345
3346 2005-02-21  Jeff Law  <law@redhat.com>
3347
3348         * cfganal.c (find_unreachable_blocks): Manually CSE load of
3349         e->dest.
3350
3351 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3352
3353         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
3354         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
3355         Adjust their definitions.
3356         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
3357         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
3358
3359         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
3360         genautomata.c, langhooks.c, langhooks.h, system.h,
3361         config/arm/lib1funcs.asm: Update copyright.
3362
3363 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3364
3365         * dbxout.c (dbxout_function_end): Emit Lscope label always.
3366
3367 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
3368
3369         PR bootstrap/13770
3370         * doc/install.texi: Document --with-gc.
3371
3372 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
3373
3374         * simplify-rtx.c (simplify_unary_operation): Add a missing
3375         "break" statement.
3376
3377 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3378
3379         PR tree-optimization/18663
3380         * tree-ssa-dom.c (extract_range_from_cond): Return 0
3381         if the type has variable bounds.
3382
3383 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
3384
3385         * gcse.c: Remove an obsolete comment.
3386
3387         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
3388
3389 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
3390
3391         * doc/extend.texi (Function Attributes) <Attribute const>: The
3392         attribute "pure" is below this text, not above.
3393
3394 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3395
3396         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
3397         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
3398         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
3399
3400 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
3401
3402         PR 18785
3403         * langhooks.h (struct lang_hooks): Add to_target_charset.
3404         * langhooks.c (lhd_to_target_charset): New function.
3405         * langhooks-def.h: Declare lhd_to_target_charset.
3406         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
3407         (LANG_HOOKS_INITIALIZER): Update.
3408         * c-common.c (c_common_to_target_charset): New function.
3409         * c-common.h: Declare it.
3410         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
3411         c_common_to_target_charset.
3412
3413         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
3414         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
3415         Delete definitions.
3416         * system.h: Poison them.
3417         * doc/tm.texi: Don't discuss them.
3418         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
3419         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
3420         (pp_c_char): Do not attempt to generate letter escapes for
3421         newline, tab, etc.
3422         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
3423         * config/mips/mips.c (mips_output_ascii): Likewise.
3424
3425 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
3426
3427         PR tree-optimization/19951
3428         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
3429         is abnormal.
3430
3431 2005-02-19  Steven Bosscher  <stevenb@suse.de>
3432
3433         PR middle-end/19698
3434         * function.h (struct function): New field `max_loop_depth'.
3435         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
3436         (flow_loops_find): Reset the max loop depth count before finding loops.
3437         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
3438         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
3439         (calculate_global_regs_live): Make sure the loop will terminate
3440         when the initial sets are not empty.
3441
3442 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
3443
3444         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
3445         object inside.
3446         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
3447
3448 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
3449
3450         PR other/19525
3451         * doc/invoke.texi: Remove documentation of %M spec.
3452         * gcc.c: Likewise.
3453         (init_spec): Remove %M suffix from -lgcc_s.
3454         (do_spec_1): Remove 'M' case.
3455         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
3456         to put shared libraries in the multilib directory.  Remove the
3457         shlib_so_soname substitution variable.  Don't add a multilib encoding
3458         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
3459         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
3460         SHLIB_INSTALL as well as SHLIB_LINK.
3461         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
3462         (SHLIB_NAME): Delete.
3463         (SHLIB_DIR): New macro.
3464         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
3465         (SHLIB_INSTALL): Adjust accordingly.
3466         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
3467         * config/t-slibgcc-sld: Likewise.
3468         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
3469         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
3470         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
3471         in $(SHLIB_DIR).
3472         (SHLIBUNWIND_INSTALL): Adjust accordingly.
3473         * config/i386/t-nwld (SHLIB_SONAME): Delete.
3474         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
3475         Use @shlib_base_name@ instead of @shlib_so_name@.
3476         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
3477         and @shlib_base_name@.so in @multilib_dir@.
3478         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
3479         to the install path.
3480         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
3481         (SHLIB_LINK): Remove previous workaround.
3482         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
3483         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
3484         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
3485         the install path.
3486         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
3487         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
3488         (SHLIB_INSTALL): Adjust accordingly.
3489         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
3490         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
3491         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
3492         config/t-slibgcc-elf-ver.
3493
3494 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
3495             Jakub Jelinek  <jakub@redhat.com>
3496
3497         PR tree-optimization/19828
3498         * tree-ssa-loop-im.c: Add a TODO comment.
3499         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
3500         without side-effects.
3501
3502 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
3503
3504         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
3505         call fold_convert.
3506
3507 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
3508
3509         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
3510         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
3511         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
3512         functions.
3513         (ia64_reorg): Delete fixup_errata call.
3514         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
3515         (TARGET_SWITCHES): Delete -mb-step entry.
3516
3517 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
3518
3519         PR c/20043
3520         * c-typeck.c (composite_type): Handle quals in transparent unions.
3521         (type_lists_compatible_p): Likewise.
3522
3523 2005-02-18  Stan Shebs  <shebs@apple.com>
3524
3525         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
3526         expressions in the .literal8 section.
3527
3528 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
3529
3530         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
3531
3532 2005-02-18  Roger Sayle  <roger@eyesopen.com>
3533
3534         * fold-const.c (constant_boolean_node): Always create values of the
3535         specified type, don't bother calling truthvalue_conversion.
3536
3537 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3538
3539         * except.c (output_function_exception_table): Call
3540         assemble_external_libcall (eh_personality_libfunc).
3541
3542 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3543
3544         PR target/19886
3545         * config/ia64/ia64.h (struct machine_function): Add state_num.
3546         * config/ia64/ia64.c (process_epilogue,
3547         process_for_unwind_directive): Use new unwind state numbers each
3548         time rather than state 1.
3549
3550 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
3551
3552         PR target/20054
3553         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
3554         before the "*llgt_didi" pattern.
3555
3556 2005-02-18  Jason Merrill  <jason@redhat.com>
3557
3558         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
3559
3560 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
3561
3562         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
3563         (div0): Use it in place of ARM_FUNC_ALIAS.
3564         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
3565
3566 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
3567
3568         PR middle-end/20030
3569         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
3570         access, the lower bound of the array type if it exists.
3571
3572 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
3573
3574         PR c++/20008
3575         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
3576         cases that are out-of-range for the index type.
3577
3578 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
3579
3580         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
3581         (estimate_case_costs): Don't call convert.
3582         * expmed.c (expand_shift): Likewise.
3583         (make_tree): Call fold_convert instead of convert.
3584
3585 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
3586
3587         PR c++/19813
3588         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
3589         that ref to be marked MEM_READONLY_P doesn't have base that needs
3590         constructing.
3591
3592 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3593
3594         * genautomata.c (output_get_cpu_unit_code_func,
3595         output_cpu_unit_reservation_p): Don't generate old-style function
3596         definitions.
3597
3598 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
3599
3600         PR c++/20023
3601         PR tree-optimization/20009
3602         * convert.c (convert_to_integer): Revert 2005-02-16 change.
3603
3604         PR tree-optimization/18947
3605         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
3606         inline, remove all nodes that are inlined into the extern inline
3607         being redefined.
3608
3609 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
3610
3611         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
3612         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
3613         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
3614         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
3615         Update copyright.
3616
3617 2005-02-17  Roger Sayle  <roger@eyesopen.com>
3618
3619         PR tree-optimization/19917
3620         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
3621         to be potentially trapping.
3622
3623 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
3624
3625         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
3626
3627 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3628
3629         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
3630         tem becomes a local variable which is set to the value of the
3631         back end defined INITIAL_FRAME_ADDRESS macro.
3632         (expand_builtin_frame_address): Omit the base parameter to
3633         expand_builtin_return_addr.
3634         (expand_builtin_profile_func): Likewise.
3635         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
3636         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
3637         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
3638
3639 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
3640
3641         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
3642         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
3643         * config/frv/frv.c (frv_function_epilogue): Likewise.
3644
3645 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
3646
3647         * lambda-code (perfect_nestify): Remove mark/unmark
3648         for rewriting hack.
3649         * tree-loop-linear.c (linear_transform_loops): Add
3650         rewrite_into_ssa call so that ssa is correct for
3651         rewriting into loop closed.
3652
3653 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
3654
3655         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
3656         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
3657         BITMAP_FREE.
3658         * bt-load.c (btr_def_live_range, combine_btr_defs,
3659         migrate_btr_def, migrate_btr_defs): Likewise.
3660         * cfgcleanup.c (thread_jump): Likewise.
3661         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
3662         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
3663         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
3664         df_rd_local_compute, df_reg_info_compute): Likewise.
3665         * dominance.c (init_dom_info, free_dom_info): Likewise.
3666         * flow.c (init_propagate_block_info,
3667         free_propagate_block_info): Likewise.
3668         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
3669         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
3670         modify_reg_pav): Likewise.
3671         * loop-invariant.c (find_defs, find_invariant_insn,
3672         find_invariants, free_inv_motion_data): Likewise.
3673         * predict.c (tree_predict_by_opcode,
3674         estimate_bb_frequencies): Likewise.
3675         * stmt.c (expand_case): Likewise.
3676         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
3677         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
3678         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
3679         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
3680         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
3681         rewrite_ssa_into_ssa): Likewise.
3682         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3683         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
3684         analyze_edges_for_bb, perform_edge_inserts): Likewise.
3685         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
3686         * tree-sra.c (tree_sra): Likewise.
3687         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
3688         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
3689         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
3690         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
3691         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
3692         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
3693         Likewise.
3694         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
3695         calculate_live_on_entry, calculate_live_on_exit,
3696         build_tree_conflict_graph): Likewise.
3697         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
3698         record_important_candidates, set_use_iv_cost, find_depends,
3699         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
3700         tree_ssa_iv_optimize_finalize): Likewise.
3701         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
3702         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
3703         tree_duplicate_loop_to_header_edge): Likewise.
3704         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
3705         * tree-ssa.c (verify_flow_insensitive_alias_info,
3706         verify_name_tags, verify_ssa, init_tree_ssa,
3707         delete_tree_ssa): Likewise.
3708         * tree-ssanames.c (marked_ssa_names, init_ssanames,
3709         fini_ssanames): Likewise.
3710         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
3711
3712 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
3713
3714         * config/rs6000/t-rtems: Completely reworked.
3715
3716 2005-02-17  Ira Rosen  <irar@il.ibm.com>
3717
3718         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
3719
3720 2005-02-17  Ira Rosen  <irar@il.ibm.com>
3721
3722         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
3723         POINTER_TYPE_P when checking that type is a pointer.
3724         (vect_get_memtag): Remove.
3725         (vect_address_analysis): Use POINTER_TYPE_P. Call
3726         vect_object_analysis with dummy parameter for memtag.
3727         (vect_object_analysis): Extract memtag (functionality that
3728         used to be in vect_get_memtag and moved here). Fix printings.
3729         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
3730         with correct parameters. Remove call to vect_get_memtag.
3731
3732 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
3733
3734         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
3735         (tree-vectorizer.o): Added missing dependencies.
3736
3737         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
3738         decleration.
3739         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
3740         declaration in tree-vectorizer.c, now has an extern declaration in
3741         tree-vectorizer.h).
3742         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3743         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
3744         get_vectype_for_scalar_type, vect_is_simple_use,
3745         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
3746         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
3747         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
3748         vectorizable_store, vectorizable_operation, vectorizable_assignment,
3749         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
3750         find_loop_location): Likewise.
3751
3752         * tree-vectorizer.c (langhooks.h): #include removed.
3753         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
3754         moved to tree-vectorized.h.
3755         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3756         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
3757         get_vectype_for_scalar_type, vect_is_simple_use,
3758         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
3759         vect_supportable_dr_alignment, new_loop_vec_info,
3760         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
3761         vect_set_verbosity_level, find_loop_location): Likewise.
3762
3763         (vect_analyze_loop): Function externalized. Declaration moved to
3764         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
3765         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
3766         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
3767         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
3768         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
3769         vect_enhance_data_refs_alignment, vect_analyze_operations,
3770         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
3771         vect_stmt_relevant_p, vect_get_loop_niters,
3772         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
3773         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
3774         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
3775         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
3776         vect_get_memtag): Likewise.
3777
3778         (vectorizable_load): Function externalized. Declaration moved to
3779         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
3780         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
3781         vect_transform_loop): Likewise.
3782         (vect_transform_stmt): Moved to tree-vect-transform.c.
3783         (vect_align_data_ref, vect_create_destination_var,
3784         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
3785         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
3786         vect_get_vec_def_for_operand, vect_init_vector,
3787         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
3788         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
3789         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
3790         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
3791         vect_do_peeling_for_loop_bound): Likewise.
3792
3793         * tree-vect-analyze.c: New file.
3794         * tree-vect-transform.c: New file.
3795
3796 2005-02-17  Jason Merrill  <jason@redhat.com>
3797
3798         PR mudflap/19319, c++/19317
3799         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
3800         slot explicit.
3801
3802 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
3803
3804         * doc/install.texi (Specific): Update link for Darwin-specific
3805         tool binary site.
3806
3807 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
3808
3809         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
3810         constant_boolean_node.
3811
3812 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
3813
3814         PR target/19019
3815         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
3816         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
3817
3818 2005-02-16  Richard Henderson  <rth@redhat.com>
3819
3820         PR 19920
3821         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
3822         with W_TYPE_SIZE.
3823         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
3824         replace uses with Wtype_MAXp1_F.
3825         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
3826         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
3827         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
3828         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
3829         and HAVE_TFMODE as appropriate.
3830         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
3831         (__floatdisf): Likewise.
3832         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
3833         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
3834         (Wtype_MAXp1_F): New.
3835         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
3836         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
3837
3838 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
3839
3840         * PR target/19162
3841         * arm.c (arm_apply_result_size): New function.
3842         * arm.h (APPLY_RESULT_SIZE): Define.
3843         * arm-protos.h (arm_apply_result_size): Add prototype.
3844         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
3845         (movxf): New expand.
3846         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
3847         (call_value_symbol): Remove predicate for operand 0.
3848         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
3849         (untyped_call): Rework to correclty return values for any type.
3850         (untyped_return): New expand.
3851         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
3852
3853 2005-02-16  Stan Shebs  <shebs@apple.com>
3854
3855         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
3856         * config/rs6000/t-darwin8: New, for 64-bit multilib.
3857
3858 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
3859
3860         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
3861         configure settings on Solaris 7 and later.
3862
3863 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
3864
3865         PR tree-optimization/19865
3866         * tree-optimize.c (init_tree_optimization_passes): Run
3867         pass_may_alias after pass_sra.
3868
3869 2005-02-16  Richard Henderson  <rth@redhat.com>
3870             Stuart Hastings  <stuart@apple.com>
3871
3872         PR debug/19521
3873         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
3874         Do nothing if debug info suppressed for this function.
3875         (dbxout_begin_function): Early exit if debug info suppressed for
3876         this function.
3877
3878 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
3879
3880         PR target/20007
3881         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
3882         find_basic_blocks.
3883         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
3884
3885         PR tree-optimization/19967
3886         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
3887         expand_builtin_strchr, expand_builtin_strrchr): Take a new
3888         argument TYPE.  Adjust calls to fold_builtin_XXX.
3889         (expand_builtin, fold_builtin_1): Adjust calls to
3890         expand_builtin_XXX.
3891         (fold_builtin_strchr, fold_builtin_strpbrk,
3892         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
3893         result to a requested type TYPE.
3894
3895 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
3896
3897         PR middle-end/19857
3898         * fold-const.c (fold): Don't optimize (T)(x & cst) to
3899         (T)x & (T)cst if (T)cst overflows.
3900         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
3901         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
3902
3903 2005-02-15  Jeff Law  <law@redhat.com>
3904
3905         * gcse.c (blocks_with_calls): New bitmap.
3906         (alloc_gcse_mem): Allocate it.
3907         (free_gcse_mem): Free it.
3908         (clear_modifY_mem_tables): Clear it.
3909         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
3910         when we encounter CALL_INSNs.
3911         (compute_transp, case MEM): Handle blocks with calls separate
3912         from blocks without calls.  Use bitmap iterators rather than
3913         FOR_EACH_BB.
3914
3915 2005-02-15  Peter O'Gorman  <peter@pogma.com>
3916
3917         PR bootstrap/18810
3918         * mklibgcc.in (vis_hide): Use a temporary object file, not
3919         -o /dev/null.
3920
3921 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
3922
3923         PR target/19924
3924         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
3925         access optimization.
3926
3927 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
3928             Alan Modra  <amodra@bigpond.net.au>
3929
3930         PR target/19019
3931         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
3932         (_xlqsub): Rename to __gcc_qsub.
3933         (_xlqmul): Rename to __gcc_qmul.
3934         (_xlqdiv): Rename to __gcc_qdiv.
3935         Provide versioned symbol aliases with old names.
3936         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
3937         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
3938         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
3939         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
3940         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
3941
3942 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
3943
3944         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
3945         Fold ~(A - 1) and ~(A + -1) to -A.
3946
3947 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
3948
3949         PR pch/14940
3950         PR target/19300
3951         * config/host-linux.c (linux_gt_pch_use_address): Copy from
3952         config/pa/pa-host.c:pa_gt_pch_use_address.
3953
3954 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
3955
3956         * tree-vn.c (get_value_handle): Make sure that given an
3957         is_gimple_min_invariant expression, we always return it.
3958
3959 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
3960
3961         * passes.c (rest_of_handle_gcse): Fix a comment.
3962
3963 2005-02-15  Jeff Law  <law@redhat.com>
3964
3965         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
3966         bitmap.
3967         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
3968         (canon_list_insert, record_last_mem_set_info): Similarly.
3969         (clear_modify_mem_tables): Similarly.
3970
3971 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
3972
3973         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
3974         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
3975         config/mips/mips.md, config/rs6000/aix.h,
3976         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
3977
3978 2005-02-15  Richard Henderson  <rth@redhat.com>
3979
3980         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
3981         call to be best_edge.
3982
3983 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
3984
3985         * basic-block.h: Adjust the prototype for find_basic_blocks.
3986         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
3987         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
3988         find_basic_blocks.
3989
3990         * flow.c (recompute_reg_usage): Remove all arguments.
3991         * passes.c (rest_of_compilation): Adjust the call to
3992         recompute_reg_usage.
3993         * rtl.h: Adjust the prototype for recompute_reg_usage.
3994
3995 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
3996
3997         * tree-dump.c (dump_files): Update to reflect new member
3998         of dump_file_info.
3999         (dump_register): Add new argument.
4000         Set glob name.
4001         (dump_switch_p_1): Check against glob name if doglob was passed.
4002         (dump_switch_p): Check against regular first, then glob if
4003         we didn't have any hits on the dump name.
4004         * tree-optimize.c (register_one_dump_file):
4005         Pass in glob name as well.
4006         * tree-pass.h (struct dump_file_info): Add glob
4007         member.
4008
4009 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
4010
4011         PR preprocessor/16323
4012         * doc/invoke.texi: Document that -Wendif-labels is on by default.
4013
4014 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
4015
4016         PR target/19019
4017         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
4018         (trunctfdf2_internal1): New.
4019         (trunctfdf2_internal2): Renamed from trunctfdf2.
4020
4021 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
4022
4023         PR tree-optimization/19853
4024         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
4025
4026 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
4027
4028         * passes.c (rest_of_handle_loop_optimize): Remove calls to
4029         delete_dead_jumptables and cleanup_cfg.
4030
4031 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
4032
4033         * reload.c (find_reloads): Swap address_reloaded flags when
4034         swapping commutative operands.
4035
4036 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
4037
4038         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
4039         Use standard_iv_increment_position for computing the bsi position
4040         for create_iv.
4041         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
4042         the bsi position.
4043
4044 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
4045
4046         PR target/17428
4047         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
4048         life range of hard registers.
4049         * value-prof.c (insn_prefetch_values_to_profile): Only
4050         scan normal insns.
4051
4052         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
4053         profile in libcalls.
4054
4055 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
4056
4057         * bitmap.h (bitmap_and_compl_into): Return bool.
4058         * bitmap.c (bitmap_and_compl_into): Return changed flag.
4059
4060 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4061
4062         PR tree-optimization/19944
4063         * fold-const.c (fold): Re-add ABS_EXPR folding.
4064
4065 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
4066
4067         PR target/19019
4068         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
4069         {TARGET,MASK}_XL_COMPAT.
4070         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
4071         MASK_XL_COMPAT.
4072         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
4073         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
4074         TARGET_XL_COMPAT.
4075         (rs6000_arg_partial_bytes): Same.
4076         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
4077         and XL compatibility enabled.
4078         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
4079         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
4080         test to final condition.
4081         (cmptf_internal2): New.
4082         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
4083         xl-compat.  Add TFmode information to description.
4084
4085 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
4086
4087         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
4088
4089 2005-02-13  Jason Merrill  <jason@redhat.com>
4090
4091         PR c++/16405
4092         * fold-const.c (fold_indirect_ref_1): Split out from...
4093         (build_fold_indirect_ref): Here.
4094         (fold_indirect_ref): New fn.
4095         * tree.h: Declare it.
4096         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
4097         (gimplify_modify_expr_rhs): Likewise.
4098         (gimplify_expr): Likewise.
4099
4100 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
4101
4102         PR tree-optimization/14303
4103         PR tree-optimization/15784
4104         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
4105         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
4106         ABS_EXPR<x> != 0 to x != 0.
4107
4108 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
4109
4110         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
4111         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
4112         spelling conventions.
4113
4114         * passes.c (rest_of_handle_gcse): Don't run cse_main and
4115         delete_trivially_dead_insns too many times.
4116
4117         * passes.c (rest_of_handle_gcse): Remove dead assignments to
4118         tem and tem2.
4119
4120 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4121
4122         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
4123         (vect_is_simple_iv_evolution): Remove redundant parameter
4124         and step check.
4125         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
4126         without last parameter.
4127         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
4128         Return pointer step. Call vect_is_simple_iv_evolution without
4129         last parameter. Check only that the step is multiple of size
4130         type. Remove stmt_vinfo updates.
4131         (vect_get_memtag_and_dr): Remove.
4132         (vect_get_memtag): New function.
4133         (vect_address_analysis): New function.
4134         (vect_object_analysis): New function.
4135         (vect_analyze_data_refs): Call vect_object_analysis and
4136         vect_get_memtag. Update stmt_vinfo fields.
4137
4138 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4139
4140         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
4141         exist and are objects. Remove checks for pointer.
4142         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
4143         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
4144         (vect_create_data_ref_ptr): Likewise.
4145         (vect_base_addr_differ_p): New function.
4146         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
4147         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
4148         Don't set the DR_BASE_NAME field of data-ref.
4149         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
4150
4151 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
4152
4153         * optabs.h (enum optab_index): Add new OTI_ldexp.
4154         (ldexp_optab): Define corresponding macro.
4155         * optabs.c (init_optabs): Initialize ldexp_optab.
4156         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
4157         patterns.
4158         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
4159         using ldexp_optab.
4160         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
4161         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
4162
4163         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
4164         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
4165         intrinsics.
4166
4167 2005-02-12  Ira Rosen  <irar@il.ibm.com>
4168
4169         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
4170         to base_address.
4171         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
4172         stmt_vec_info.
4173         (vect_get_base_and_offset): Always return an address.
4174         (vect_create_addr_base_for_vector_ref): Remove treatment for
4175         different data reference types.
4176         (vect_compute_data_ref_alignment): Rename base to base_address in
4177         stmt_vec_info. Get the object in order to force its alignment.
4178         (vect_get_memtag_and_dr): Rename base to base_address in
4179         stmt_vec_info. Extract the object for memtag analysis.
4180
4181 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
4182
4183         PR regression/19898.
4184         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
4185         changes cc_status, use apply modified_in_p to part of cc_status
4186         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
4187         body.
4188
4189 2005-02-11  Richard Henderson  <rth@redhat.com>
4190
4191         * tree-complex.c (expand_complex_libcall): New.
4192         (expand_complex_multiplication): Use it for c99 compliance.
4193         (expand_complex_division): Likewise.
4194         * fold-const.c (fold_complex_add, fold_complex_mult): New.
4195         (fold): Call them.
4196         * builtins.c (built_in_names): Remove const.
4197         * tree.c (build_common_builtin_nodes): Build complex arithmetic
4198         builtins.
4199         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
4200         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
4201         (built_in_names): Remove const.
4202         * c-common.c (c_common_type_for_mode): Handle complex modes.
4203         * flags.h, toplev.c (flag_complex_method): Rename from
4204         flag_complex_divide_method.
4205         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
4206         __mulsc3, __muldc3, __mulxc3, __multc3): New.
4207         * libgcc2.h: Declare them.
4208         * libgcc-std.ver: Export them.
4209         * mklibgcc.in (lib2funcs): Build them.
4210
4211 2005-02-11  Steven Bosscher  <stevenb@suse.de>
4212
4213         PR tree-optimization/19876
4214         Partially revert my change from 2005-01-14
4215         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
4216         (compute_antic): ...and remove the loop here.
4217
4218 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
4219
4220         PR middle-end/19858
4221         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
4222         is number of inner's bits, avoid creating a BIT_FIELD_REF.
4223
4224         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
4225         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
4226
4227 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
4228
4229         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4230         offsets for the big-endian 32-bit case.
4231
4232 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
4233
4234         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4235
4236 2005-02-11  Dale Johannesen  <dalej@apple.com>
4237
4238         * cselib.c (cselib_process_insn):  Clear out regs where
4239         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
4240         * reload.c (find_equiv_reg): Ditto.
4241
4242 2005-02-11  Ian Lance Taylor  <ian@airs.com>
4243
4244         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
4245         with no elements.
4246
4247         * tree.c (build_function_type_list): Work correctly if there are
4248         no arguments.
4249
4250 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
4251
4252         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
4253         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
4254         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
4255         TARGET_ZARCH instead of TARGET_64BIT.
4256
4257 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
4258
4259         * config/rs6000/t-rtems:
4260         (MULTILIB_OPTIONS): Remove mcpu=602.
4261         (MUTLILIB_DIRNAMES): Remove m602.
4262         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
4263         Let mcpu=602 match mcpu=603.
4264         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
4265
4266 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4267
4268         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
4269         signal trampolines.
4270
4271 2005-02-10  David Daney  <ddaney@avtrex.com>
4272
4273         * config/alpha/linux-unwind.h: Add exception clause to copyright.
4274         * config/i386/linux-unwind.h: Likewise.
4275         * config/ia64/linux-unwind.h: Likewise.
4276         * config/mips/linux-unwind.h: Likewise.
4277         * config/pa/linux-unwind.h: Likewise.
4278         * config/rs6000/linux-unwind.h: Likewise.
4279         * config/s390/linux-unwind.h: Likewise.
4280         * config/sh/linux-unwind.h: Likewise.
4281         * config/sparc/linux-unwind.h: Likewise.
4282
4283 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4284
4285         PR tree-optimization/17549
4286         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
4287         TER to replace a DEF with its expression if the DEF and the
4288         rhs of the expression we replace into have the same root
4289         variable.
4290
4291 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
4292
4293         * config/mips/mips.md: Fix the placement of the match_scratch in the
4294         lea64 peephole2.
4295
4296 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
4297
4298         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
4299         Fix comment typos.
4300
4301 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
4302
4303         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
4304         (strip_offset): Handle addresses.
4305         (add_address_candidates): Use strip_offset.
4306         (difference_cost): Reflect strip_offset change.
4307         (force_var_cost, difference_cost): Strip nops.
4308
4309 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
4310
4311         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
4312
4313         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
4314         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
4315         config/cris/cris-protos.h, config/cris/cris.c: Update
4316         copyright.
4317
4318 2005-02-10  Jeff Law  <law@redhat.com>
4319
4320         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
4321         (lookup_avail_expr): Similarly.
4322
4323 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
4324
4325         * builtins.c (fold_builtin_powi): New function.
4326         (fold_builtin_1): Call it.
4327
4328 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4329
4330         PR documentation/19309
4331         * doc/cpp.texi: The __GNUC__ and related predefined macros
4332         are also defined for the "standalone" cpp.
4333         Some non-GCC compilers may also define __GNUC__.
4334
4335 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
4336
4337         PR c/19342
4338         * c-typeck.c (common_type): New routine.  Old common_type renamed
4339         to...
4340         (c_common_type): ...this.
4341         (build_conditional_expr, build_binary_op): Use c_common_type instead
4342         of common_type.
4343
4344 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4345
4346         * doc/md.texi: Replace @samp{length} with @code{length}.
4347
4348 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
4349
4350         PR tree-optimization/18687
4351         * tree-flow.h (find_loop_niter): Declare.
4352         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4353         Try using scev even for loops with more than one exit.
4354         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
4355         (struct ivopts_data): Added niters field.
4356         (struct nfe_cache_elt): New.
4357         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
4358         functions.
4359         (tree_ssa_iv_optimize_init): Initialize niters cache.
4360         (determine_number_of_iterations): Removed.
4361         (find_induction_variables): Do not call determine_number_of_iterations.
4362         Access niters for single exit through niter_for_single_dom_exit.
4363         (add_iv_outer_candidates): Access niters for single exit through
4364         niter_for_single_dom_exit.
4365         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
4366         number_of_iterations_cond.
4367         (iv_period): New function.
4368         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
4369         (may_replace_final_value): Take data argument.  Use
4370         niter_for_single_dom_exit.
4371         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
4372         (rewrite_use_compare): Pass data to may_eliminate_iv.
4373         (rewrite_use_outer): Pass data to may_replace_final_value.
4374         (free_loop_data): Clean up the niters cache.
4375         (tree_ssa_iv_optimize_finalize): Free the niters cache.
4376         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
4377         * tree-ssa-loop-niter.c (find_loop_niter): New function.
4378         (find_loop_niter_by_eval): Use tree_int_cst_lt.
4379         (num_ending_zeros): Moved to tree.c.
4380         * tree.h (num_ending_zeros): Declare.
4381         * tree.c (num_ending_zeros): Moved from tree.c.
4382
4383 2005-02-09  Richard Henderson  <rth@redhat.com>
4384
4385         * builtins.c (DEF_BUILTIN): Add COND argument.
4386         * tree.h (DEF_BUILTIN): Likewise.
4387         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
4388         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
4389         match.
4390         (DEF_BUILTIN_STUB): New.
4391         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
4392         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
4393         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
4394         * c-common.c (DEF_BUILTIN): Add COND argument.
4395         * tree.c (local_define_builtin): New.
4396         (build_common_builtin_nodes): New.
4397
4398 2005-02-09  Roger Sayle  <roger@eyesopen.com>
4399
4400         * fold-const.c (fold_strip_sign_ops): New function to simplify a
4401         floating point expression ignoring the sign of the result.
4402         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
4403         (fold) <MULT_EXPR>: Use it to simplify x*x.
4404         * tree.h (fold_strip_sign_ops): Prototype here.
4405         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
4406         argument.  Use fold_strip_sign_ops to simplify the first argument.
4407         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
4408         first argument when the second argument is an even integer
4409         constant, but only with -funsafe_math_optimizations.
4410         (fold_builtin_1): Update call to fold_builtin_copysign.
4411
4412 2005-02-09  Ian Lance Taylor  <ian@airs.com>
4413
4414         PR middle-end/19583
4415         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
4416         just check whether EH_FILTER_FAILURE falls through.
4417
4418 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4419
4420         * gcc/haifa-sched.c (schedule_block): Make queued sched group
4421         insns return to ready list in the next turn.
4422
4423 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
4424
4425         PR middle-end/19402
4426         * builtins.def: New __builtin_powi[lf].
4427         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
4428         (expand_builtin_powi): New function.
4429         (expand_builtin): Dispatch to expand_builtin_powi.
4430         * libgcc2.h: Add prototypes for __builtin_powi[lf].
4431         * libgcc2.c: Add __builtin_powi[lf] implementation.
4432         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
4433         * optabs.h: Add powi_optab.
4434         * optabs.c (init_optabs): Initialize powi_optab.
4435         * doc/extend.texi: Document __builtin_powi[lf].
4436
4437 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
4438
4439         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
4440         exists.
4441
4442 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
4443
4444         PR middle-end/19854
4445         * fold-const.c (try_move_mult_to_index): Remove redundant
4446         type argument.  Create ADDR_EXPR with correct type.
4447         (fold): Update callers of try_move_mult_to_index.  Convert
4448         result to the appropriate type.
4449
4450 2005-02-09  Roger Sayle  <roger@eyesopen.com>
4451
4452         PR target/19597
4453         * config/avr/avr.c (default_rtx_costs): Delete.
4454         (avr_operand_rtx_cost): New function.
4455         (avr_rtx_costs): Completely rewrite.
4456
4457 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
4458
4459         PR target/19806
4460         * config/cris/cris.c (in_code): New variable.
4461         (cris_output_addr_const): Now a static function, a wrapper for
4462         output_addr_const.
4463         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
4464         case from old cris_output_addr_const.
4465         (cris_asm_output_label_ref): Similar for LABEL_REF.
4466         (cris_output_addr_const_extra): Similar for UNSPEC.
4467         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
4468         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
4469         * config/cris/cris-protos.h (cris_output_addr_const): Remove
4470         declaration.
4471         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
4472         (cris_asm_output_label_ref): Declare.
4473
4474 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
4475
4476         PR preprocessor/19801
4477         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
4478         filenames that changed when libcpp was moved to the toplevel.
4479
4480 2005-02-07  Roger Sayle  <roger@eyesopen.com>
4481
4482         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
4483         zero extensions of BImode operands.  Call lowpart_subreg instead
4484         of gen_lowpart_common and gen_lowpart_SUBREG.
4485
4486 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
4487
4488         PR ada/19489
4489         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
4490         * configure.ac: Set cc_for_cross_gnattools.
4491         * configure: Regenerate.
4492
4493 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
4494
4495         PR target/19803
4496         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
4497
4498 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4499
4500         PR debug/19327
4501         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
4502         of nested functions.
4503
4504 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
4505
4506         * doc/extend.texi: Document deprecated extensions allowing
4507         static floating-point members to have initializers and allowing
4508         floating-point literals in integral constant expressions.
4509
4510 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
4511
4512         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
4513         config/darwin7.h, config/mips/mips.c,
4514         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
4515         Update copyright.
4516
4517         * cse.c: Update comments.
4518
4519 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
4520
4521         PR middle-end/19775
4522         * builtins.c (fold_builtin_sqrt): Transform
4523         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
4524         pow(x,y*0.5).
4525
4526 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
4527             Dorit Naishlos  <dorit@il.ibm.com>
4528
4529         * doc/invoke.texi (ftree-vectorizer-verbose): New.
4530         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
4531         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
4532         was added.
4533         * tree.h (vect_set_verbosity_level): New extern function declaration
4534         added.
4535         * tree-vectorizer.h (verbosity_levels): New enum type.
4536         * tree-vectorizer.c (vect_debug_stats): Function removed.
4537         (vect_debug_details): Likewise.
4538         (vect_verbosity_level): Global variable was defined and initialized.
4539         (vect_dump): Global variable definition.
4540         (vect_print_dump_info): New function.
4541         (vect_set_dump_settings): New function.
4542         (vect_set_verbosity_level): New function.
4543         (vectorize_loops): Add call to vect_set_dump_settings.
4544
4545         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
4546         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
4547         (slpeel_tree_peel_loop_to_edge): Likewise.
4548
4549         (vect_analyze_offset_expr): Call to vect_print_dump_info with
4550         appropriate verbosity level instead of call to vect_debug_details
4551         or vect_debug_stats.
4552         (vect_get_base_and_offset):
4553         (vect_create_addr_base_for_vector_ref):
4554         (get_vectype_for_scalar_type):
4555         (vect_create_data_ref_ptr):
4556         (vect_init_vector):
4557         (vect_get_vec_def_for_operand):
4558         (vect_finish_stmt_generation):
4559         (vectorizable_assignment):
4560         (vectorizable_operation):
4561         (vectorizable_store):
4562         (vectorizable_load):
4563         (vect_transform_stmt):
4564         (vect_update_ivs_after_vectorizer):
4565         (vect_do_peeling_for_loop_bound):
4566         (vect_update_inits_of_drs):
4567         (vect_do_peeling_for_alignment):
4568         (vect_transform_loop):
4569         (vect_is_simple_use):
4570         (vect_analyze_operations):
4571         (vect_is_simple_iv_evolution):
4572         (vect_analyze_scalar_cycles):
4573         (vect_analyze_data_ref_dependence):
4574         (vect_analyze_data_ref_dependences):
4575         (vect_compute_data_ref_alignment):
4576         (vect_enhance_data_refs_alignment):
4577         (vect_analyze_data_refs_alignment):
4578         (vect_analyze_data_ref_access):
4579         (vect_analyze_data_ref_accesses):
4580         (vect_analyze_pointer_ref_access):
4581         (vect_get_memtag_and_dr):
4582         (vect_analyze_data_refs):
4583         (vect_mark_relevant):
4584         (vect_stmt_relevant_p):
4585         (vect_mark_stmts_to_be_vectorized):
4586         (vect_can_advance_ivs_p):
4587         (vect_get_loop_niters):
4588         (vect_analyze_loop_form):
4589         (vect_analyze_loop):
4590         (vectorize_loops): Likewise.
4591
4592         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
4593         (vect_update_inits_of_drs):
4594         (vect_do_peeling_for_alignment):
4595         (vect_transform_loop):
4596         (vect_analyze_operations):
4597         (vect_analyze_scalar_cycles):
4598         (vect_analyze_data_ref_dependences):
4599         (vect_analyze_data_refs_alignment):
4600         (vect_analyze_data_ref_accesses):
4601         (vect_analyze_data_refs):
4602         (vect_mark_stmts_to_be_vectorized):
4603         (vect_get_loop_niters):
4604         (vect_analyze_loop_form):
4605         (vect_analyze_loop): Likewise.
4606         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
4607
4608 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
4609
4610         PR bootstrap/19796
4611         Revert:
4612         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
4613         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
4614         either -ffast-math or -funsafe-math-optimizations is in use.
4615
4616         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
4617         * config/mips/irix-csr.c: New file.
4618         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
4619         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
4620         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
4621         executables.
4622
4623 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
4624
4625         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
4626         redundant, incorrect definitions.
4627
4628         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
4629         expand.
4630         ("*tls_indirect_call"): New, reference hard regs directly.
4631         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
4632
4633 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
4634
4635         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
4636         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
4637
4638 2005-02-06  Roger Sayle  <roger@eyesopen.com>
4639
4640         PR rtl-optimization/19800
4641         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
4642         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
4643         gen_lowpart.
4644
4645 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
4646
4647         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
4648
4649 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
4650
4651         PR other/17135
4652         * doc/invoke.texi: Correct documentation of -freorder-functions.
4653
4654 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
4655
4656         PR other/14402
4657         * doc/invoke.texi: Don't mention gccbug.
4658
4659 2005-02-06  Roger Sayle  <roger@eyesopen.com>
4660             Andrew Pinski  <pinskia@physics.uc.edu>
4661             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
4662
4663         * simplify-rtx.c (simplify_relational_operation_1): Simplify
4664         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
4665         into just (zero_extract:SI FOO (const_int 1) BAR).
4666
4667 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
4668
4669         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
4670         macro locally.  Don't give last revision date.  Use GCC version
4671         number from gcc-common.texi.
4672         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
4673         revision date.  Use GCC version number from gcc-common.texi.
4674         Describe being a library as current state rather than as 3.x
4675         history.
4676         * doc/gcc.texi: Remove last update date.
4677         * doc/gccint.texi: Likewise.  Update copyright dates.
4678         * doc/install.texi: Update copyright dates.
4679
4680 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
4681
4682         PR other/7549
4683         * doc/invoke.texi: Mention for each option included in -Wall that
4684         it is included in -Wall.
4685         * doc/gcc.texi: Update copyright and last modification date.
4686
4687 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
4688
4689         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
4690         unnecessary cast to original induction variable increments.
4691
4692 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
4693
4694         PR tree-optimization/18219
4695         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
4696         in distributed form.
4697
4698 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
4699
4700         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
4701         Set bitpos and offset later in the function.  Do nothing if the
4702         target is a register and if the bitfield lies completely outside
4703         that register.
4704         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
4705         here.  Return an uninitialised register if the source value is stored
4706         in a register and the bitfield lies completely outside that register.
4707
4708 2005-02-06  Steven Bosscher  <stevenb@suse.de>
4709
4710         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
4711         not SET_DEST.
4712
4713 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
4714
4715         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
4716
4717 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
4718
4719         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
4720         * config/darwin8.h: New.
4721         * config/darwin7.h: Update comment.
4722
4723 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
4724             Dorit Naishlos  <dorit@il.ibm.com>
4725
4726         * tree-vectorizer.h (LOC): New type.
4727         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
4728         (loop_line_number): New field in struct _loop_vec_info.
4729         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
4730
4731         * tree-vectorizer.c (input.h): Included.
4732         (find_loop_location): New function.
4733         (vect_debug_stats): Argument changed from loop to LOC. Computation of
4734         loop line number removed.
4735         (vect_debug_details): Likewise.
4736         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
4737
4738         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
4739         call to vect_debug_details/stats changed from loop to loop_loc.
4740         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
4741         (slpeel_tree_peel_loop_to_edge): Likewise.
4742
4743         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
4744         changed from NULL to UNKNOWN_LOC.
4745         (vect_get_base_and_offset):
4746         (vect_create_addr_base_for_vector_ref):
4747         (get_vectype_for_scalar_type):
4748         (vect_create_data_ref_ptr):
4749         (vect_init_vector):
4750         (vect_get_vec_def_for_operand):
4751         (vect_finish_stmt_generation):
4752         (vectorizable_assignment):
4753         (vectorizable_operation):
4754         (vectorizable_store):
4755         (vectorizable_load):
4756         (vect_transform_stmt):
4757         (vect_update_ivs_after_vectorizer):
4758         (vect_do_peeling_for_loop_bound):
4759         (vect_do_peeling_for_alignment):
4760         (vect_transform_loop):
4761         (vect_is_simple_use):
4762         (vect_analyze_operations):
4763         (vect_is_simple_iv_evolution):
4764         (vect_analyze_scalar_cycles):
4765         (vect_analyze_data_ref_dependences):
4766         (vect_compute_data_ref_alignment):
4767         (vect_enhance_data_refs_alignment):
4768         (vect_analyze_data_ref_access):
4769         (vect_analyze_data_ref_accesses):
4770         (vect_analyze_pointer_ref_access):
4771         (vect_get_memtag_and_dr):
4772         (vect_analyze_data_refs):
4773         (vect_mark_relevant):
4774         (vect_stmt_relevant_p):
4775         (vect_mark_stmts_to_be_vectorized):
4776         (vect_can_advance_ivs_p):
4777         (vect_get_loop_niters):
4778         (vect_analyze_loop):
4779         (vectorize_loops): Likewise.
4780
4781         (vectorizable_load): Argument in call to vect_debug_details/stats
4782         changed from loop to LOOP_LOC (loop_vinfo).
4783         (vect_transform_loop):
4784         (vect_analyze_operations):
4785         (vect_analyze_scalar_cycles):
4786         (vect_analyze_data_ref_dependence):
4787         (vect_enhance_data_refs_alignment):
4788         (vect_analyze_data_ref_accesses):
4789         (vect_analyze_pointer_ref_access):
4790         (vect_analyze_data_refs):
4791         (vect_analyze_loop): Likewise.
4792
4793         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
4794         changed from loop to loop_loc.
4795
4796         (vect_enhance_data_refs_alignment): Removed unused variable loop.
4797
4798 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
4799             Dorit Naishlos  <dorit@il.ibm.com>
4800
4801         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
4802         declaration added.
4803         (vect_analyze_data_ref_dependences): Likewise.
4804
4805         (vect_is_simple_use): Argument changed from loop structure to
4806         loop_vect_info structure.
4807         (vect_can_advance_ivs_p): Likewise.
4808         (vect_create_index_for_vector_ref): Likewise.
4809         (vect_update_ivs_after_vectorizer): Likewise.
4810         (new_stmt_vec_info): Likewise.
4811
4812         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
4813         changed from loop to loop_vinfo.
4814         (vect_create_data_ref_ptr): First argument in call to
4815         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
4816         (vectorizable_assignment): Second argument in call to vect_is_simple_use
4817         was changed from loop to loop_vinfo.
4818         (vectorizable_operation): Likewise.
4819         (vectorizable_store): Likewise.
4820         (vect_mark_stmts_to_be_vectorized): Likewise.
4821         (vect_do_peeling_for_loop_bound): First argument in call to
4822         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
4823         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
4824         was changed from loop to loop_vinfo.
4825         (vect_analyze_data_ref_dependences): Third argument in call to
4826         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
4827
4828         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
4829         (vect_create_data_ref_ptr): Likewise.
4830         (vect_init_vector): Likewise.
4831         (vect_get_vec_def_for_operand): Likewise.
4832         (vectorizable_assignment): Likewise.
4833         (vectorizable_operation): Likewise.
4834         (vectorizable_store): Likewise.
4835         (vectorizable_load): Likewise.
4836         (vect_update_ivs_after_vectorizer): Likewise.
4837         (vect_is_simple_use): Likewise.
4838         (vect_analyze_data_ref_dependence): Likewise.
4839         (vect_analyze_pointer_ref_access): Likewise.
4840         (vect_can_advance_ivs_p): Likewise.
4841
4842         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
4843         before _stmt_vec_info.
4844         (_stmt_vec_info): Loop field replaced by loop_vec_info.
4845         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
4846         (new_stmt_vec_info): Argument changed from loop structure to
4847         loop_vect_info structure
4848
4849         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
4850         (vect_analyze_offset_expr): Avoid 80 columns overflow.
4851         (vect_create_addr_base_for_vector_ref): Likewise.
4852         (vect_analyze_pointer_ref_access): Likewise.
4853
4854 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
4855
4856         PR tree-opt/19768
4857         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
4858         phi flag if the phi is abnormal.
4859
4860 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
4861
4862         PR tree-opt/19736
4863         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
4864         information for the new statement.
4865
4866 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
4867
4868         PR driver/19117
4869         * gcc.c (main): Include the target in -v output.
4870
4871 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
4872
4873         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
4874         Do not drop the extend if we'd have to add a paradoxical subreg
4875         later.  Include optabs.h and insn-codes.h.
4876         * Makefile.in (combine.o): Depend on $(OPTABS_H).
4877
4878 2005-02-02  Roger Sayle  <roger@eyesopen.com>
4879
4880         PR middle-end/19405
4881         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
4882         * fold-const.c (const_binop): Avoid constant folding floating
4883         point operations in modes that use composite representations.
4884         * simplify-rtx.c (simplify_binary_operation): Likewise.
4885
4886 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
4887
4888         * config/rs6000/altivec.md (altivec_dst): Make the first operand
4889         a REG, not a MEM.
4890         (altivec_dstt): Likewise.
4891         (altivec_dstst): Likewise.
4892         (altivec_dststt): Likewise.
4893         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
4894         of first operand.
4895
4896 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
4897
4898         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
4899         EXPR_LOCUS from orig_cond to the new cond_stmt.
4900         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
4901         the new vec_stmt.
4902
4903 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
4904
4905         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
4906         standard_iv_increment_position. Remove call to bsi_next
4907         (no need to bump the iterator anymore).
4908         (vect_create_index_for_vector_ref): Call
4909         standard_iv_increment_position. Remove second function argument.
4910         (vect_finish_stmt_generation): Remove call to bsi_next
4911         (no need to bump the iterator anymore).
4912         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
4913         to vect_create_index_for_vector_ref.
4914
4915 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
4916
4917         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
4918         phis are used out of the loop.
4919
4920 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
4921
4922         PR c/17807
4923         * c-decl.c (undef_nested_function): New variable.
4924         (pop_scope): Diagnose undefined nested functions.
4925         (finish_function): Don't attempt cgraph processing or genericizing
4926         if current top-level function contained an undefined nested
4927         function.  Reset undef_nested_function at the end of a top-level
4928         function.
4929
4930 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
4931
4932         * tree.c (build_int_cst_type): Take sign of the value into account
4933         when deciding whether sign extend the value.
4934
4935 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
4936
4937         PR c/18502
4938         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
4939         (cpp_options, cc1_options): Change %{std*&ansi} to
4940         %{std*&ansi&trigraphs}.
4941
4942 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
4943
4944         * cse.c: Update comments.
4945
4946 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
4947
4948         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
4949         arguments go on the stack.  Do not put complex doubles in odd/even
4950         pairs.
4951
4952 2005-02-02  Steven Bosscher  <stevenb@suse.de>
4953
4954         * doc/invoke.texi: Update the options enabled at -O1, -O2,
4955         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
4956         -ftree-pre, and -fthread-jumps.
4957
4958 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
4959
4960         PR tree-optimization/19578
4961         * tree-flow.h (modified_noreturn_calls): Declare.
4962         (noreturn_call_p): Declare.
4963         * tree-flow-inline.h (noreturn_call_p): New function.
4964         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
4965         * tree-cfg.c (modified_noreturn_calls): New variable.
4966         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
4967         that contain a mid-block noreturn call.
4968         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
4969
4970 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
4971
4972         * df.c (df_def_record_1, df_uses_record): Don't use
4973         DF_FOR_REGALLOC.
4974         * df.h (DF_FOR_REGALLOC): Remove.
4975
4976 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
4977
4978         PR c/19435
4979         * c-typeck.c (really_start_incremental_init): Reset
4980         constructor_max_index for arrays of incomplete type.
4981
4982 2005-02-02  Jeff Law  <law@redhat.com>
4983
4984         * gcse.c (struct reg_set): Store the block index where the register
4985         was set rather than the setting insn.
4986         (record_one_set, compute_transp): Corresponding changes.
4987         (pre_insert_copy_insn): Do not call replace_one_set.
4988         (replace_one_set): Remove.
4989
4990 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
4991
4992         PR other/15514
4993         * doc/gcov.texi: Fix typo.
4994
4995 2005-02-01  Richard Henderson  <rth@redhat.com
4996
4997         PR target/19680
4998         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
4999         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
5000         type to bool.
5001         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
5002         * config/i386/i386-protos.h: Update.
5003
5004 2005-02-01  Steven Bosscher  <stevenb@suse.de>
5005
5006         PR tree-optimization/19217
5007         * tree-cfg.c (verify_expr): Use the data field to see if TP was
5008         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
5009         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
5010         that it is walking a PHI node.
5011
5012 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
5013
5014         * doc/extend.texi (Nested Functions): Update.
5015
5016 2005-02-01  Richard Henderson  <rth@redhat.com>
5017
5018         PR 19696
5019         * optabs.c (expand_copysign_absneg): Export.
5020         * optabs.h (expand_copysign_absneg): Declare.
5021         * config/rs6000/rs6000.md (copysigntf3): New.
5022
5023 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
5024
5025         PR tree-optimization/19633
5026         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
5027         * tree-ssa-alias.c (init_alias_info): Initialize.
5028         (merge_pointed_to_info): Set.
5029         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
5030         (dump_points_to_info_for): Show value of pt_null.
5031         (struct count_ptr_d): Declare.
5032         (find_ptr_dereference): Remove.
5033         (ptr_is_dereferenced_by): Remove.
5034         (count_ptr_derefs): New local function.
5035         (count_uses_and_derefs): New local function.
5036         (compute_points_to_and_addr_escape): Call it.  If the number
5037         of dereferences is greater than zero, mark the pointer as
5038         dereferenced.  If there are fewer dereferences than uses of
5039         the pointer, the pointer's value escapes.
5040
5041 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
5042
5043         PR tree-optimization/19670
5044         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
5045         here...
5046         (verify_use): ... set it here, instead.
5047
5048 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
5049
5050         * doc/sourcebuild.texi (Test directives): Fix formatting.
5051
5052         * doc/sourcebuild.texi (Test directives): Describe selector
5053         expressions.
5054
5055 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
5056
5057         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
5058         specific 64-bit CPUs.
5059
5060 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
5061
5062         PR target/16201
5063         * arm.c (arm_eliminable_register): New function.
5064         (adjacent_mem_locations): Don't allow eliminable registers.  Use
5065         HOST_WIDE_INT for address offsets.
5066         * arm-protos.h (arm_eliminable_register): Add prototype.
5067
5068 2005-02-01  Steven Bosscher  <stevenb@suse.de>
5069
5070         PR optimization/15242
5071         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
5072         * basic-block.h (duplicate_computed_gotos): Add prototype.
5073         * bb-reorder.c (duplicate_computed_gotos): New function to
5074         duplicate sufficiently small blocks ending in a computed jump.
5075         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
5076         if not optimizing for size.
5077         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
5078         never do tail merging for blocks ending in a computed jump.
5079         * doc/invoke.texi: Document the max-goto-duplication-insns param.
5080
5081 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
5082
5083         Patch from Richard Sandiford <rsandifo@redhat.com>
5084         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
5085         from inheriting a subreg equivalence with a non-spill register.
5086
5087         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
5088
5089 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
5090
5091         * config/frv/frv.c (movcc_fp_destination_operand): New.
5092         (gpr_or_memory_operand): Fix typo in comment.
5093         (gpr_or_memory_operand_with_scratch): New.
5094         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
5095         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
5096         movcc_fp_destination_operand.
5097         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
5098         Legitimize memory addresses using a scratch register.
5099
5100 2005-01-31  Jeff Law  <law@redhat.com>
5101
5102         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
5103         bitmap a sparse bitmap instead of a simple bitmap.
5104         (mark_def_sites_initialize_block):  Corresponding changes.
5105         (ssa_mark_def_sites_initialize_block): Likewise.
5106         (ssa_mark_phi_uses): Likewise.
5107         (mark_def_site, ssa_mark_def_sites): Likewise.
5108         (mark_def_site_blocks): Likewise.
5109         (rewrite_ssa_into_ssa): Likewise.
5110
5111         * tree-ssa-dom.c (record_cond): Pass correct variable type
5112         for last argument to htab_find_slot_with_hash.
5113
5114         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
5115         effects when optimizing 0 % X.  Do not try to optimize X % 0.
5116
5117 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
5118
5119         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
5120         1_mmalua.
5121
5122 2005-02-01  Eric Christopher  <echristo@redhat.com>
5123
5124         * config/mips/mips.c (override_options): Warn if -mint64
5125         is used.
5126         * doc/invoke.texi (MIPS Options): Document that -mint64 is
5127         deprecated.
5128
5129 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
5130
5131         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
5132         timestamp.
5133         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
5134         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
5135         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
5136         (cached_regno): Initialize to INVALID_REGNUM.
5137         (cse_reg_info_table_size,
5138         cse_reg_info_table_first_uninitialized,
5139         cse_reg_info_timestamp): New.
5140         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
5141         get_cse_reg_info.
5142         (init_cse_reg_info, get_cse_reg_info_1): New.
5143         (get_cse_reg_info): Cache the last look-up.
5144         (new_basic_block): Update the code to clear mappings from
5145         registers to cse_reg_info entries.
5146         (cse_main): Call init_cse_reg_info.
5147
5148         * cse.c (get_cse_reg_info): Update a comment.
5149
5150 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5151
5152         PR c/19333
5153         * c-decl.c (start_decl): Do not warn about arrays of elements with
5154         an incomplete type here.
5155         (grokdeclarator): Do it here by making a pedwarn an error.
5156         * c-typeck.c (push_init_level): If there were previous errors with
5157         the constructor type, do not warn about braces for initializers.
5158         (process_init_element): Likewise for excess initializer elements.
5159
5160 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
5161
5162         * cse.c (delete_trivially_dead_insn): Don't iterate.
5163
5164 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
5165
5166         * config/rs6000/rs6000.md (copysignsf3): New expand.
5167         (copysigndf3): Likewise.
5168
5169 2005-01-31  Steven Bosscher  <stevenb@suse.de>
5170
5171         * recog.c (constrain_operands): Only look for earlyclobber operand
5172         conflicts if an '&' constraint was seen.
5173
5174 2005-01-31  Marc Espie <espie@openbsd.org>
5175
5176         * config.gcc: Don't include embedded systems fragment, switches default
5177         debugging format to ELF.
5178         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
5179         longer pick it up there.
5180
5181 2005-01-31  Dale Johannesen  <dalej@apple.com>
5182
5183         * doc/extend.texi (nested functions): Fix linkage description.
5184         Clarify that static is not allowed.
5185
5186 2005-01-31  Dale Johannesen  <dalej@apple.com>
5187
5188         * config/rs6000/darwin.md (movsf_low_di):  Make work.
5189         (movdf_low_di):  Make work.
5190
5191 2005-01-31  Dale Johannesen  <dalej@apple.com>
5192
5193         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
5194         Make work for 64 bit.
5195
5196 2005-01-31  Roger Sayle  <roger@eyesopen.com>
5197             Dale Johannesen  <dalej@apple.com>
5198
5199         PR middle-end/19650
5200         * fold-const.c (fold_binary_op_with_conditional_arg):
5201         Make types match original operands, before STRIP_NOPS.
5202
5203 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
5204
5205         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
5206         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
5207         (struct gcc_sigcontext): Delete.  Merge contents to..
5208         (struct gcc_ucontext): ..here.
5209         (get_sigcontext): Delete.
5210         (get_regs): New function, like get_sigcontext but return regs ptr.
5211         64-bit version finds regs from r1 to support vdso.
5212         (ppc_linux_aux_vector): New function.
5213         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
5214         and vector regs.
5215
5216 2005-01-31  Ira Rosen  <irar@il.ibm.com>
5217
5218         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
5219         sizetype.
5220         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
5221         redundant fold. Fix misalignment for MINUS_EXPR.
5222         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
5223         (vect_analyze_pointer_ref_access): Likewise.
5224         (vect_get_memtag_and_dr): Likewise.
5225
5226 2005-01-31  Richard Henderson  <rth@redhat.com>
5227
5228         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
5229         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
5230         absnegdf2_i387, absnegxf2_i387): Likewise.
5231
5232 2005-01-31  Richard Henderson  <rth@redhat.com>
5233
5234         PR 19696
5235         * optabs.c (expand_copysign_absneg): New.
5236         (expand_copysign_bit): Split out from ...
5237         (expand_copysign): ... here.  Use expand_copysign_absneg.
5238
5239 2005-01-30  Roger Sayle  <roger@eyesopen.com>
5240
5241         PR middle-end/19697
5242         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
5243         constant as the second operand and a register as the third.
5244
5245 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
5246
5247         PR target/19704
5248         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
5249         that dllimport'd functions do not use all call-clobbered registers
5250         to pass parameters.
5251
5252 2005-01-30  Richard Henderson  <rth@redhat.com>
5253
5254         PR 19696
5255         * optabs.c (expand_absneg_bit): Split out from expand_unop and
5256         expand_abs_nojump and generalize.  Use operand_subword and
5257         emit_no_conflict_block.  Support large modes.
5258         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
5259         back to maximum.
5260         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
5261         negation to subtraction.
5262         (expand_copysign): Check that the format has signed zeros.
5263         Use operand_subword and emit_no_conflict_block.  Support large modes.
5264
5265 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
5266
5267         Fix PR tree-optimization/19624
5268
5269         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
5270         * tree-ssa-pre.c: Add cfgloop.h.
5271         Update comment.
5272         (pre_stats): New member, constified.
5273         (inserted_exprs): New static variable.
5274         (NECESSARY): New macro.
5275         (create_expression_by_pieces): Fold the expression, and
5276         mark it as defaulting to not necessary. Also put in
5277         inserted_exprs.
5278         (fully_constant_expression): New function.
5279         (insert_into_preds_of_block): Modify to not insert phis when we
5280         are playing with induction variables.
5281         Push phis onto the inserted_exprs vector, and mark them as not
5282         necessary by default.
5283         (insert_aux): Call fully_constant_expression on eprime.
5284         If all edges produce the same value, mark it constant.
5285         (mark_operand_necessary): New function.
5286         (remove_dead_inserted_code): New function.
5287         (init_pre): Init loop optimizer to get loop info.
5288         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
5289         (execute_pre): Commit edge inserts, then remove dead code.
5290
5291 2005-01-30  Richard Henderson  <rth@redhat.com>
5292
5293         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
5294         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
5295
5296 2005-01-30  Richard Henderson  <rth@redhat.com>
5297
5298         PR target/19700
5299         * config/i386/i386.c (ix86_expand_copysign): New.
5300         (ix86_split_copysign_const): New.
5301         (ix86_split_copysign_var): Rename from ix86_split_copysign,
5302         rearrange op1/nmask operands.
5303         * config/i386/i386-protos.h: Update.
5304         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
5305         (copysigndf3): Likewise.
5306         (copysignsf3_const, copysigndf3_const): New.
5307         (copysignsf3_var): Rename from copysignsf3, split out splitter
5308         and fix split predicate for X constraint.
5309         (copysigndf3_var): Similarly.
5310
5311 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
5312
5313         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
5314         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
5315         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
5316
5317 2005-01-29  Richard Henderson  <rth@redhat.com>
5318
5319         PR target/19690
5320         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
5321         of # and * in constraints.
5322
5323 2005-01-29  Richard Henderson  <rth@redhat.com>
5324
5325         PR middle-end/19689
5326         * expr.c (store_field): Don't strip sub-mode cast when the input
5327         data is even smaller.
5328
5329 2005-01-29  Richard Henderson  <rth@redhat.com>
5330
5331         PR middle-end/19687
5332         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
5333         union being empty.
5334
5335 2005-01-29  Richard Henderson  <rth@redhat.com>
5336
5337         * combine.c (make_field_assignment): Fix argument order
5338         to gen_int_mode.
5339
5340 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
5341
5342         PR tree-optimization/15791
5343         * fold-const.c (extract_array_ref): New function.
5344         (fold): Fold comparisons between &a[i] and &a[j] or
5345         semantically equivalent trees.
5346
5347 2005-01-29  Jeff Law  <law@redhat.com>
5348
5349         * gcse.c (insert_expr_in_table): Revamp handling of available
5350         and anticipatable occurrence lists to avoid unnecessary list
5351         walking.
5352         (insert_set_in_table): Similarly.
5353
5354 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
5355
5356         * c-common.c (fix_string_type): Just use c_build_qualified_type to
5357         build string type.
5358         (c_build_qualified_type): Build qualified array types with
5359         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
5360         * c-decl.c (c_make_fname_decl): Build unqualified array type
5361         before qualified type.
5362         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
5363         type is qualified, not just if type itself is.  Don't apply
5364         qualifiers to array type when declarator is processed.  Apply
5365         qualifiers to field type whether or not it is an array type.
5366         Don't handle array types specially for applying qualifiers to
5367         variables.
5368         * c-typeck.c (composite_type): Build unqualified element type and
5369         array type when forming composite of array types.
5370         (common_pointer_type, comptypes, comp_target_types,
5371         type_lists_compatible_p, build_indirect_ref, build_array_ref,
5372         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
5373         types.
5374         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
5375         (args2) in variables a1 and a2.
5376
5377 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
5378
5379         * cse.c (n_elements_made, max_elements_made): Remove.
5380         (insert): Don't touch n_elements_made.
5381         (cse_main): Don't touch n_elements_made or max_elements_made.
5382
5383 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
5384
5385         PR target/15384
5386         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
5387         configuration part of dp-bit.c to be lost.
5388
5389 2005-01-28  Roger Sayle  <roger@eyesopen.com>
5390
5391         * expmed.c (expand_mult_highpart_optab): When attempting to use
5392         a non-widening multiplication in a wider mode, the operands need
5393         to be converted (zero or sign extended) to that mode.
5394
5395 2005-01-28  Ian Lance Taylor  <ian@airs.com>
5396
5397         PR middle-end/16558
5398         PR middle-end/19583
5399         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
5400         through if both operands fall through.
5401
5402 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
5403
5404         * cse.c (fold_rtx) <PC>: Don't optimize.
5405
5406 2005-01-28  Jeff Law  <law@redhat.com>
5407
5408         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
5409         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
5410
5411 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
5412
5413         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
5414         cse_reg_info_used_list_end): Remove.
5415         (cse_reg_info_list, cse_reg_info_list_free): New.
5416         (get_cse_reg_info): When allocating an instance of
5417         cse_reg_info, add it to the beginning of the cse_reg_info_list
5418         list.  Remove code to maintain cse_reg_info_used_list.
5419         (new_basic_block): Reset the free list to the beginning of
5420         cse_reg_info_list.
5421
5422 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
5423
5424         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
5425         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
5426         (frv_expand_mdpackh_builtin): New function.
5427         (frv_expand_builtin): Use it to expand __MDPACKH.
5428         * doc/extend.texi (__MDPACKH): Update documentation.
5429
5430 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
5431
5432         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
5433         SSE_FLOAT_MODE_P for use_sse computation.
5434
5435 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
5436
5437         PR target/19663
5438         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
5439
5440 2005-01-27  Richard Henderson  <rth@redhat.com>
5441
5442         * builtins.c (expand_builtin_copysign): New.
5443         (expand_builtin): Call it.
5444         * genopinit.c (optabs): Add copysign_optab.
5445         * optabs.c (init_optabs): Initialize it.
5446         (expand_copysign): New.
5447         * optabs.h (OTI_copysign, copysign_optab): New.
5448         (expand_copysign): Declare.
5449
5450         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
5451         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
5452
5453         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
5454         (ix86_expand_fp_absneg_operator): ... here.
5455         (ix86_split_copysign): New.
5456         * config/i386/i386-protos.h: Update.
5457         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
5458         (copysignsf3, copysigndf3): New.
5459
5460         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
5461         (copysignsf3, ncopysignsf3): New.
5462         (copysigndf3, ncopysigndf3): New.
5463         (copysignxf3, ncopysignxf3): New.
5464         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
5465
5466 2005-01-27  Arend Bayer  <arend.bayer@web.de>
5467             Kazu Hirata  <kazu@cs.umass.edu>
5468
5469         * cse.c: (find_best_addr): Don't call copy_rtx before calling
5470         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
5471         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
5472         NULL_RTX.
5473
5474 2005-01-27  Jeff Law  <law@redhat.com>
5475
5476         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
5477         definitions of SSA_NAMEs which are not being rewritten.
5478         (rewrite_ssa_into_ssa): Only initialize the current definition
5479         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
5480         If checking is enabled, assert that SSA_NAME_AUX is clear for all
5481         SSA_NAMEs before returning.
5482
5483 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
5484
5485         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
5486         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
5487         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
5488         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
5489         config/mips/iris6.h, config/sh/sh.c: Update copyright.
5490
5491 2005-01-27  Steven Bosscher  <stevenb@suse.de>
5492
5493         PR middle-end/17278
5494         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
5495         higher to -O2 and higher.  Likewise for tree PRE.
5496         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
5497         and better.
5498
5499 2005-01-27  Ian Lance Taylor  <ian@airs.com>
5500
5501         PR middle-end/19583
5502         * gimple-low.c (try_catch_may_fallthru): New static function.
5503         (block_may_fallthru): Handle TRY_CATCH_EXPR.
5504         * tree-inline.c (expand_call_inline): Don't warn about reaching
5505         the end of a non-void function being inlined if the function uses
5506         a return slot.
5507
5508 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
5509
5510         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
5511
5512         PR c/18946
5513         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
5514         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
5515         (implicitly_declare): Handle error_mark_node.
5516
5517 2005-01-27  Richard Henderson  <rth@redhat.com>
5518
5519         PR tree-opt/14329
5520         * tree.h (struct tree_decl): Add debug_expr_is_from.
5521         (DECL_DEBUG_EXPR_IS_FROM): New.
5522         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
5523         * dwarf2out.c (dwarf2out_var_location): Update to match.
5524         * tree-outof-ssa.c (create_temp): Likewise.
5525         * var-tracking.c (track_expr_p): Likewise.
5526         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
5527         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
5528         * toplev.c (default_tree_printer): Likewise.
5529
5530 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
5531
5532         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
5533         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
5534
5535 2005-01-27  Steven Bosscher  <stevenb@suse.de>
5536
5537         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
5538         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
5539         ASM_CLOBBERS): Add tree checks.
5540
5541         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
5542         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
5543         * c-common.def (SWITCH_STMT): Update to match.
5544         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
5545         macros instead of SWITCH_EXPR ones.
5546         * c-dump.c (c_dump_tree): Likewise.
5547         * c-gimplify.c (gimplify_switch_stmt): Likewise.
5548         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
5549
5550         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
5551
5552 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
5553
5554         * unwind-dw2.c (execute_stack_op): Add missing cases for
5555         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
5556
5557 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
5558
5559         * config.gcc (Obsolete configurations): Remove 'dummy', add
5560         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
5561         sparc-*-openbsd*.
5562
5563 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
5564
5565         PR tree-optimization/19633
5566         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
5567         CALL_EXPRs.
5568         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
5569         are no call-clobbered variables.
5570         * tree-outof-ssa.c (check_replaceable): Return false for calls
5571         with side-effects.
5572
5573 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
5574
5575         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
5576         even for variables with NULL DECL_INITIAL.
5577
5578 2005-01-26  Stuart Hastings  <stuart@apple.com>
5579
5580         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
5581
5582 2005-01-26  Richard Henderson  <rth@redhat.com>
5583
5584         PR middle-end/18008
5585         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
5586         field's type.
5587         * expr.c (store_field): Strip conversions to odd-bit-sized types
5588         if the destination field width matches.
5589
5590 2005-01-26  Richard Henderson  <rth@redhat.com>
5591
5592         * c-decl.c, expmed.c, expr.c: Revert last change.
5593
5594 2005-01-26  Richard Henderson  <rth@redhat.com>
5595
5596         PR middle-end/18008
5597         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
5598         field's type.
5599         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
5600         if we don't need the bits above those present in the current mode.
5601         * expr.c (store_field): Strip conversions to odd-bit-sized types
5602         if the destination field width matches.
5603
5604 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
5605
5606         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
5607         either -ffast-math or -funsafe-math-optimizations is in use.
5608
5609 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
5610
5611         PR target/19293
5612         PR target/19329
5613         * config/avr/avr.c (notice_update_cc): Only set condition code for
5614         ashrqi3 if shift count > 0.
5615         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
5616         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
5617         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
5618         count <= 0 as a no-op, and shift count >= width by copying zero
5619         or sign bit to all bits of the result.
5620         * config/avr/avr.md (all shifts): Add alternatives for zero shift
5621         count, with attribute "length" set to 0 and "cc" set to "none".
5622
5623 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
5624
5625         * doc/invoke.texi: Document -mTLS.
5626
5627         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
5628         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
5629         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
5630         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
5631         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
5632         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
5633         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
5634         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
5635
5636         * configure.ac: Check for a TLS capable gas.
5637
5638         * configure: Regenerate.
5639
5640 2005-01-26  Richard Henderson  <rth@redhat.com>
5641
5642         PR middle-end/18008
5643         * combine.c (make_field_assignment): Simplify store to zero_extract
5644         from a source with an overlapping mask.
5645
5646 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
5647
5648         2004-11-11  Eric Christopher  <echristo@redhat.com>
5649
5650         * config/frv/frv.md: Add fr400_integer automaton. Don't
5651         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
5652         to TYPE_MACC.
5653
5654 2005-01-26  Steven Bosscher  <stevenb@suse.de>
5655
5656         PR middle-end/16585
5657         * cfgbuild.c (make_edges): Do not clear or set
5658         current_function_has_computed_jump.
5659         * function.h (struct function): Remove the has_computed_jump field.
5660         (current_function_has_computed_jump): Do not define.
5661         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
5662         in a computed jump.  Ignore current_function_has_computed_jump.
5663
5664 2005-01-26  Richard Henderson  <rth@redhat.com>
5665
5666         PR middle-end/19515
5667         * expr.c (categorize_ctor_elements): New argument p_must_clear.
5668         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
5669         fully initialized.
5670         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
5671         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
5672         objects into static storage if they have more than one non-zero value.
5673         * tree.h (categorize_ctor_elements): Update decl.
5674
5675 2005-01-26  Steven Bosscher  <stevenb@suse.de>
5676
5677         PR middle-end/19616
5678         * tree.h (CALL_EXPR_TAILCALL): Add comment.
5679         * calls.c (check_sibcall_argument_overlap_1): Revert the change
5680         to this function from 2004-07-10.
5681         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
5682         the current function for tail call optimizations if the address
5683         of one of it its arguments is taken.
5684
5685 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
5686
5687         * cse.c (fold_rtx): Call equiv_constant only when necessary.
5688
5689 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
5690
5691         * function.c (expand_function_end): If current_function_calls_alloca,
5692         emit stack restore in a place that is reached when the function falls
5693         through at the end.
5694
5695 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
5696
5697         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
5698         rule to avoid matching inappropriate suffix rule.
5699
5700 2005-01-26  Jan Hubicka  <jh@suse.cz>
5701
5702         PR tree-optimization/19241
5703         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
5704
5705 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
5706
5707         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
5708         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
5709         of doubling.
5710         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
5711         <sim*>: Always use crt1.o, regardless of N in simN.
5712         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
5713         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
5714         (CRT_CALL_STATIC_FUNCTION): Remove.
5715         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
5716         use crt1.o, regardless of N in simN.
5717         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
5718         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
5719         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
5720         case isystem setting.
5721         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
5722
5723 2005-01-25  Ian Lance Taylor  <ian@airs.com>
5724
5725         * gimple-low.c (block_may_fallthru): Correct handling of
5726         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
5727
5728 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
5729
5730         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
5731         handlers to match indentation; nested under the mtune=* handler.
5732         Similar for mcpu= and march=.
5733
5734 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
5735
5736         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
5737         * config/mips/linux64.h (LIB_SPEC): Likewise.
5738         * config/mn10300/linux.h (LIB_SPEC): Likewise.
5739         * config/sh/linux.h (LIB_SPEC): Likewise.
5740
5741 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
5742
5743         * config/frv/frv.c (frv_legitimize_tls_address): New.
5744         (TARGET_HAVE_TLS): Define.
5745         (FRV_SYMBOL_REF_TLS_P): Define.
5746         (frv_override_options): Handle new register classes.
5747         (frv_legitimate_address_p): Reject tls addresses.
5748         (frv_legitimize_address): Handle TLS addresses.
5749         (gen_inlined_tls_plt): New.
5750         (gen_tlsmoff): New.
5751         (frv_legitimize_tls_address): New.
5752         (unspec_got_name): Add TLS entries.
5753         (got12_operand): Add R_FRV_TLSMOFF12 case.
5754         (frv_emit_move): Fixup TLS addresses.
5755         (frv_emit_movsi): Legitimize TLS addresses.
5756
5757         * config/frv/frv.h (MASK_BIG_TLS): New.
5758         (TARGET_BIG_TLS): New.
5759         (HAVE_AS_TLS): Define.
5760         (TARGET_SWITCHES): Add -mTLS and -mtls options.
5761         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
5762         (REG_CLASS_NAMES): Same.
5763         (REG_CLASS_CONTENTS): Same.
5764         (CONSTRAINT_LEN): New.
5765         (REG_CLASS_FROM_CONSTRAINT): New.
5766         (PREDICATE_CODES): Add symbolic_operand.
5767
5768         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
5769         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
5770         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
5771         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
5772         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
5773         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
5774         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
5775         GR9_REG, GR14_REG, LRREG.
5776         (type): Add load_or_call attribute.
5777         ("load_or_call"): New reservation.
5778         ("call_gettlsoff"): New.
5779         ("tls_indirect_call"): New.
5780         ("tls_load_gottlsoff12"): New.
5781         ("tlsoff_hilo"): New.
5782         ("tls_tlsdesc_ldd"): New.
5783         ("tls_tlsoff_ld"): New.
5784         ("tls_lddi"): New.
5785
5786         * config/frv/frv-protos.h (symbolic_operand): Protoize.
5787
5788         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
5789
5790         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
5791         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
5792         * config/frv/frv.c (TLS_BIAS): Define.
5793         (frv_output_dwarf_dtprel): New.
5794
5795 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
5796
5797         PR rtl-optimization/19579
5798         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
5799         both A and B, see if they don't clobber registers the other expr uses.
5800
5801 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
5802
5803         * real.c (do_add): Initialize signalling and canonical members.
5804
5805         * real.c (real_from_integer): Zero out destination.
5806
5807 2005-01-18  Jan Hubicka  <jh@suse.cz>
5808
5809         PR tree-optimize/19337
5810         * tree-inline.c (initialize_inlined_parameters): Copy
5811         saved_static_chain_decl only.
5812
5813 2005-01-25  Richard Henderson  <rth@redhat.com>
5814
5815         PR target/19556
5816         PR target/19584
5817         * config/i386/i386.c (x86_inter_unit_moves): Zero.
5818         (ix86_preferred_reload_class): Rewrite fp-constant section, with
5819         80387 enabled, to return a proper subclass.  Return the subset that
5820         overlaps with GENERAL_REGS for PLUS.
5821         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
5822
5823 2005-01-25  Richard Henderson  <rth@redhat.com>
5824
5825         PR middle-end/19609
5826         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
5827
5828 2005-01-25  Roger Sayle  <roger@eyesopen.com>
5829
5830         * expmed.c (choose_multiplier): Change interface to return the
5831         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
5832         (expand_divmod): Update calls to choose_multiplier.
5833
5834 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5835
5836         PR middle-end/19330
5837         * expmed.c (extract_bit_field): Use adjust_address instead of
5838         gen_lowpart when op0 is a MEM.
5839
5840 2005-01-24  Steven Bosscher  <stevenb@suse.de>
5841
5842         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
5843
5844 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
5845
5846         * config/mips/irix-csr.c: New file.
5847         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
5848         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
5849         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
5850         executables.
5851
5852 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
5853
5854         PR bootstrap/19364
5855         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
5856         sparc/elf.h, add sparc/sp-elf.h.
5857         (sparc-*-rtems*): Likewise.
5858         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
5859         tm-dwarf2.h, add sparc/sp-elf.h.
5860         (sparc86x-*-elf): Likewise.
5861         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
5862         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
5863         TARGET_OS_CPP_BUILTINS.
5864         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5865         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5866         Undefine it.
5867         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
5868         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
5869         (SWITCH_TAKES_ARG): Likewise.
5870         (LOCAL_LABEL_PREFIX): Likewise.
5871         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5872         (TARGET_N_FORMAT_TYPES): Delete.
5873         (TARGET_FORMAT_TYPES): Likewise.
5874         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5875         * config/sparc/elf.h: Delete.
5876         * config/sparc/sp-elf.h: New file.
5877
5878 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
5879
5880         * tree-flow-inline.h (phi_arg_from_edge): Remove.
5881         * tree-flow.h: Remove the corresponding prototype.
5882         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
5883         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
5884
5885 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
5886
5887         PR target/17751
5888         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
5889         for AIX ABI or ELF -fPIC.
5890         (rs6000_emit_load_toc_table): Don't create toc_section here.
5891         (rs6000_xcoff_file_start): Nor here.
5892
5893 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
5894
5895         * sh.c (ra.h): Don't #include.
5896         (hard_regs_intersect_p): New function, resurrected from ra.c.
5897
5898         * sh.c: Fix 1996 Copyright.
5899
5900 2005-01-24  Richard Henderson  <rth@redhat.com>
5901             Aldy Hernandez  <aldyh@redhat.com>
5902
5903         * regrename.c (note_sets): Handle subregs.
5904
5905 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
5906
5907         PR bootstrap/18058
5908         * genconditions.c (write_header, write_conditions): Elide file if
5909         not GCC >= 3.0.1.
5910
5911 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
5912
5913         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
5914         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
5915         Update copyright.
5916
5917 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
5918
5919         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
5920         expand_builtin_printf, expand_builtin_fprintf,
5921         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
5922         checking against POINTER_TYPE.
5923         (validate_arglist): Handle POINTER_TYPE code by checking
5924         POINTER_TYPE_P.
5925
5926 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
5927
5928         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
5929         init_rtlanal): New.
5930         (for_each_rtx): Call for_each_rtx_1.
5931         * rtl.h (init_rtlanal): Declare.
5932         * toplev.c (backend_init): Call init_rtlanal.
5933
5934 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
5935
5936         * flow.c (propagate_one_insn): Formatting.
5937
5938         PR middle-end/19551
5939         * flow.c (libcall_dead_p): Be more conservative if unsure.
5940         If there are any instructions between insn and call, see if they are
5941         all dead before saying the libcall is dead.
5942
5943 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
5944
5945         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
5946         operand constraint for operand 0.
5947
5948 2005-01-23  Richard Henderson  <rth@redhat.com>
5949
5950         PR 19486
5951         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
5952         edges leading to join block.
5953
5954 2005-01-23  Roger Sayle  <roger@eyesopen.com>
5955
5956         * expmed.c (expand_mult_highpart): Make static.  Change type of
5957         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
5958         (expand_divmod): Updates calls to expand_mult_highpart by using
5959         gen_int_mode to pass a CONST_INT rtx.
5960         * rtl.h (expand_mult_highpart): Remove prototype.
5961
5962 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
5963
5964         * flow.c (regset_bytes, regset_size): Remove.
5965
5966         * cfganal.c: Fix a reference to Harvey's paper.
5967
5968 2005-01-23  Steven Bosscher  <stevenb@suse.de>
5969
5970         PR rtl-optimization/19464
5971         * tree-optimize.c (init_tree_optimization_passes): Add one more
5972         copyrename pass just before out-of-ssa.
5973
5974 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
5975
5976         PR bootstrap/18058
5977         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
5978         * ggc-none.c (ggc_free): Define.
5979
5980 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
5981
5982         * cse.c (max_reg, max_insn_uid): Remove.
5983         (cse_main): Don't access max_reg or max_insn_uid.
5984
5985         * c-common.c (explicit_flag_signed_bitfields,
5986         lang_statement_code_p, lang_expand_function_end): Remove.
5987         * c-common.h: Remove the corresponding declarations.
5988         * c-opts.c (c_common_handle_option): Remove all write access
5989         to explicit_flag_signed_bitfields.
5990
5991         * cgraph.c (cgraph_varpool_n_nodes): Remove.
5992         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
5993         * cgraph.h: Remove the corresponding declaration.
5994
5995         * gcse.c (null_pointer_info): Remove.
5996
5997 2005-01-23  Roger Sayle  <roger@eyesopen.com>
5998             Eric Botcazou  <ebotcazou@libertysurf.fr>
5999
6000         * combine.c (simplify_logical): Only simplify logical expressions
6001         of the form ior(and(x,y),z) by the inverse distributive law if the
6002         result is cheaper than the original.
6003
6004 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
6005
6006         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
6007         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
6008         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
6009         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
6010         config/freebsd-spec.h, config/arm/arm.h,
6011         config/h8300/h8300.md, config/i386/i386.md,
6012         config/i386/predicates.md, config/i386/sse.md,
6013         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
6014         config/vax/vax.md: Fix comment typos.  Follow spelling
6015         conventions.
6016
6017 2005-01-23  Steven Bosscher  <stevenb@suse.de>
6018
6019         * gengtype.c (walk_type): Produce `not equal to' compares for loop
6020         tests, instead of `less than'.
6021
6022 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
6023
6024         * function.c (assign_parm_setup_block): When creating a new stack slot
6025         for a parameter, get its alignment from the parameter's DECL_ALIGN
6026         rather than the type's TYPE_ALIGN.  Make sure that the parameter
6027         is at least word aligned.
6028
6029 2005-01-22  Roger Sayle  <roger@eyesopen.com>
6030
6031         PR middle-end/19378
6032         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
6033
6034 2005-01-22  Richard Henderson  <rth@redhat.com>
6035
6036         PR target/19506
6037         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
6038         in both compare operands.
6039         (movdfcc_1_sse_max): Likewise.
6040         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
6041         (movdfcc_1_sse): Likewise.
6042         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
6043         scratch register as needed.
6044
6045 2005-01-22  Richard Henderson  <rth@redhat.com>
6046
6047         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
6048
6049         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
6050
6051 2005-01-22  Richard Henderson  <rth@redhat.com>
6052
6053         * genopinit.c (optabs): Use smin/smax for floating point too.
6054         * doc/md.texi: Update to match.  Clarify that floating point
6055         results are undefined for +0/-0 and NaN.
6056         * doc/rtl.texi: Likewise.
6057         * rtl.def (SMIN, SMAX): Likewise
6058         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
6059
6060         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
6061         leading 's' to the name.
6062         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
6063         smaxxf3, sminxf3): Likewise.
6064         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
6065         Likewise.
6066
6067 2005-01-22  Paul Brook  <paul@codesourcery.com>
6068
6069         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
6070
6071 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
6072
6073         * config/s390/s390.c (struct processor_costs): New fields
6074         dlgr, dlr, dr, dsgfr, dsgr.
6075         (z900_cost, z990_cost): Values for new fields.
6076         (s390_rtx_costs): New cases MEM und COMPARE in switch
6077         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
6078         DIV, MOD, UDIV, UMOD.
6079
6080 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
6081
6082         * config/s390/s390.md ("doloop_si64"): Reload input value directly
6083         into the register being decremented.
6084         ("doloop_si31", "doloop_di"): Likewise.
6085         ("*doloop_si_long"): Adapt pattern.
6086
6087 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
6088
6089         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
6090         access registers.
6091         (CLASS_MAX_NREGS): Likewise.
6092
6093 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
6094
6095         * doc/tree-ssa.texi (Statement Operands): Add example for new
6096         must-def macro. Note deprecation of old operands interface.
6097
6098 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
6099
6100         PR tree-optimization/19484
6101         * tree-cfg.c (remove_fallthru_edge): New function.
6102         (cleanup_control_flow): Remove fallthru edges from calls that are
6103         now known not to return.
6104
6105 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
6106
6107         Fix PR tree-optimization/19038
6108         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
6109         copies with loop variant ones.
6110
6111 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
6112
6113         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
6114         config/alpha/alpha-protos.h, config/alpha/alpha.h,
6115         config/alpha/alpha.md, config/alpha/predicates.md,
6116         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
6117         config/sparc/sol2.h: Update copyright.
6118
6119         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
6120         first label to see if it is a nonlocal label.
6121
6122 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
6123             Andrew Pinski  <pinskia@physics.uc.edu>
6124
6125         PR target/19491
6126         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
6127         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
6128
6129 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6130
6131         * config/rs6000/rtems.h: Update copyright.
6132
6133 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
6134
6135         PR target/19548
6136         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
6137         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
6138         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
6139
6140 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6141
6142         PR c/18809
6143         * c-typeck.c (convert_arguments): Check for error_mark_node.
6144
6145 2005-01-21  Ian Lance Taylor  <ian@airs.com>
6146
6147         PR tree-optimization/13000
6148         * tree-inline.c: Include "tree-flow.h".
6149         (expand_call_inline): If warn_return_type, warn if non-void inline
6150         function falls through.
6151         * tree-cfg.c (execute_warn_function_return): Don't warn about
6152         control reaching end if TREE_NO_WARNING is set.  Set
6153         TREE_NO_WARNING.
6154         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
6155         has been lowered.
6156         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
6157         branch if we don't need one.
6158         * c-typeck.c: Include "tree-flow.h"
6159         (c_finish_bc_stmt): Don't add a goto if the current statement
6160         list doesn't fall through to the current point.
6161
6162 2005-01-21  Roger Sayle  <roger@eyesopen.com>
6163
6164         PR rtl-optimization/576
6165         * real.c (real_arithmetic): Change return type from void to bool
6166         to return an indication that the result may be inexact.
6167         * real.h (real_arithmeric): Update prototype.
6168         * fold-const.c (const_binop):  Don't constant fold floating
6169         point expressions when the user specifies -frounding-math and
6170         the result may depend upon the run-time rounding mode.
6171         (fold_convert_const_real_from_real): Clean-up.
6172         (fold_initializer): Ignore flag_rounding_math for initializers.
6173         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
6174         constant fold FP operations with flag_rounding_math if the
6175         result may depend upon the run-time rounding mode.
6176
6177 2005-01-21  Tom Tromey  <tromey@redhat.com>
6178
6179         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
6180
6181 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
6182
6183         * tree-cfg.c: Fix comment typos.
6184
6185 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
6186
6187         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
6188         around the call to rest_of_handle_branch_target_load_optimize.
6189
6190 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
6191
6192         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
6193         (sparc64-*-openbsd*): Likewise.
6194         (sparclite-*-elf*): Include tm-dwarf2.h.
6195         (sparc86x-*-elf*): Likewise.
6196         (sparc64-*-elf*): Likewise.
6197         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
6198         (DBX_DEBUGGING_INFO): Likewise.
6199         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
6200         (PREFERRED_DEBUGGING_TYPE): Likewise.
6201         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
6202         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
6203         (PREFERRED_DEBUGGING_TYPE): Likewise.
6204         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
6205         (PREFERRED_DEBUGGING_TYPE): Likewise.
6206         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
6207
6208 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
6209
6210         PR target/18701
6211         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
6212
6213 2005-01-20  Paul Brook  <paul@codesourcery.com>
6214
6215         * doc/rtl.texi: Document value extension requirements for CONST_INT.
6216
6217 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6218
6219         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
6220         label is first in a sequence of labels.
6221
6222         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
6223
6224 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
6225             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
6226
6227         * doc/sourcebuild.texi (Test Directives): New.
6228
6229 2005-01-20  Roger Sayle  <roger@eyesopen.com>
6230
6231         * real.c (real_floor): Don't leave the result uninitialized when
6232         mode is VOIDMode, but return the unrounded intermediate value.
6233         (real_ceil): Likewise.
6234
6235 2005-01-20  Paul Brook  <paul@codesourcery.com>
6236
6237         * config/arm/arm.md (insv): Use gen_int_mode.
6238
6239 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
6240
6241         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
6242         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6243         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6244         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6245         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6246
6247 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
6248
6249         Fix PR debug/19124
6250         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
6251         fbreg, so we have to assume we can't.
6252         (loc_descriptor_from_tree_1): Ditto.
6253         (containing_function_has_frame_base): New function.
6254         (add_location_or_const_value_attribute): Use it.
6255         Also try to generate a frame_base from a single element location
6256         list.
6257
6258 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6259
6260         PR tree-optimization/15349
6261         * timevar.def (TV_TREE_MERGE_PHI): New.
6262         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
6263         PHI_WANTED.
6264         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
6265         calls to tree_forwarder_block_p.
6266         (remove_forwarder_block_with_phi, merge_phi_nodes,
6267         gate_merge_phi, pass_merge_phi): New.
6268         * tree-optimize.c (init_tree_optimization_passes): Add
6269         pass_merge_phi.
6270         * tree-pass.h: Add an extern for pass_merge_phi;
6271
6272 2005-01-20  Richard Henderson  <rth@redhat.com>
6273
6274         PR target/19418
6275         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
6276         (_mm_castps_pd, _mm_castps_si128): New.
6277         (_mm_castsi128_ps, _mm_castsi128_pd): New.
6278
6279 2005-01-20  Richard Henderson  <rth@redhat.com>
6280
6281         PR target/19530
6282         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
6283         __builtin_ia32_vec_init_v2si.
6284         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
6285         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
6286         (ix86_init_mmx_sse_builtins): Create it.
6287         (ix86_expand_builtin): Expand it.
6288         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
6289         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
6290         (vec_extractv2si_0, vec_extractv2si_1): New.
6291
6292 2005-01-20  Richard Henderson  <rth@redhat.com>
6293
6294         PR target/16533
6295         * config/i386/i386.c (ix86_expand_push): New.
6296         * config/i386/mmx.md (push<MMXMODE>1): New.
6297         * config/i386/sse.md (push<SSEMODE>1): New.
6298         * config/i386/i386-protos.h: Update.
6299
6300 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6301
6302         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
6303         copyright.
6304
6305 2005-01-20  Richard Henderson  <rth@redhat.com>
6306
6307         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
6308         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
6309
6310 2005-01-19  Richard Henderson  <rth@redhat.com>
6311
6312         PR target/19350
6313         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
6314         to V4SFmode in SSE1 fallback load path.
6315
6316 2005-01-19  Richard Henderson  <rth@redhat.com>
6317
6318         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
6319         in QImode expansion to ix86_expand_vector_set.
6320         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
6321
6322 2005-01-19  Richard Henderson  <rth@redhat.com>
6323
6324         PR target/19511
6325         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
6326         subclass of the input class.
6327         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
6328         Always true for cross-SSE1 classes.  Rationalize conditionals.
6329         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
6330         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
6331         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
6332         (movdi_2): Add MMX/SSE zeros.
6333         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
6334         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
6335         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6336         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
6337         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
6338         (zero_extendsidi2_rex64_1): Remove.
6339         (MOV0 peephole): Check GENERAL_REG_P.
6340
6341 2005-01-19  Richard Henderson  <rth@redhat.com>
6342
6343         PR target/19427
6344         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
6345         shufps elements.
6346         (ix86_expand_vector_extract): Likewise.
6347
6348 2005-01-19  Richard Henderson  <rth@redhat.com>
6349
6350         PR middle-end/19304
6351         * expr.c (emit_move_change_mode): New argument force; use
6352         simplify_gen_subreg if true.
6353         (emit_move_via_alt_mode): Merge into ...
6354         (emit_move_via_integer): ... here.
6355         (emit_move_ccmode): Use emit_move_change_mode directly.
6356
6357 2005-01-19  Richard Henderson  <rth@redhat.com>
6358
6359         PR target/19518
6360         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
6361         (alpha_preferred_reload_class): Handle CONST_VECTOR.
6362         (alpha_emit_set_const_1): Add no_output parameter; don't emit
6363         rtl if true.
6364         (alpha_emit_set_const): Likewise.  Make static.
6365         (alpha_emit_set_long_const): Make static.
6366         (alpha_extract_integer): Split out from alpha_expand_mov.
6367         (alpha_split_const_mov): Likewise.
6368         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
6369         (alpha_legitimate_constant_p): New.
6370         * config/alpha/alpha-protos.h: Update.
6371         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
6372         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
6373         * config/alpha/alpha.md (movsi): Add n alternative.
6374         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
6375         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
6376         (splitters for all of the above): Use alpha_split_const_mov.
6377         * config/alpha/predicates.md (non_add_const_operand): New.
6378         (non_zero_const_operand): New.
6379         (input_operand): Use alpha_legitimate_constant_p after reload.
6380
6381 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
6382
6383         PR tree-optimization/19038
6384         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
6385         (add_candidate): Add ivs with increment in latch only if
6386         allow_ip_end_pos_p is true.
6387         (determine_iv_cost): Use empty_block_p.
6388
6389 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
6390
6391         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
6392         (compute_dominance_frontiers): Ditto.
6393
6394 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
6395
6396         PR target/19529
6397         * config/sh/t-rtems: New.
6398         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
6399
6400 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
6401
6402         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
6403         the offset of the selected field.
6404
6405 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
6406
6407         * tree-cfg.c (remove_forwarder_block): Fix the check to
6408         prevent a nonlocal label from appearing in the middle of a
6409         basic block.
6410
6411 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
6412
6413         PR rtl-optimization/19462
6414         * reorg.c (find_end_label): Create return insn only if
6415         current_function_epilogue_delay_list is empty.
6416
6417 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
6418
6419         * doc/passes.texi: Remove paragraph mentioning new-ra.
6420
6421 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
6422
6423         PR rtl-optimization/15139
6424         * combine.c: Include params.h.
6425         (count_rtxs): New function.
6426         (record_value_for_reg): If replace_rtx would replace at least
6427         2 occurrences of REG in VALUE and TEM is really large, replace REG with
6428         (clobber (const_int 0)) instead of TEM.
6429         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
6430         * params.h (MAX_LAST_VALUE_RTL): New.
6431         * Makefile.in (combine.o): Depend on $(PARAMS_H).
6432         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
6433
6434         PR c/17297
6435         * c-typeck.c (digest_init): Only call build_vector if all constructor
6436         elements are *_CST nodes.
6437         * gimplify.c (gimplify_init_constructor): Likewise.
6438
6439         PR middle-end/19164
6440         * c-typeck.c (digest_init): Only call build_vector if inside_init
6441         is a CONSTRUCTOR.
6442
6443 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
6444
6445         * toplev.c (init_asm_output): Remove dead #ifdef.
6446
6447 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
6448
6449         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
6450
6451 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
6452
6453         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
6454         accessing DECL_FUNCTION_CODE.
6455         * dojump.c (do_jump): Likewise.
6456         * gimplify.c (gimplify_call_expr): Likewise.
6457         * predict.c (expr_expected_value): Likewise.
6458         (strip_builtin_expect): Likewise.
6459         * tree-inline.c (estimate_num_insns_1): Likewise.
6460         * tree-ssa-loop-im.c (stmt_cost): Likewise
6461         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
6462         (tree_expr_nonnegative_p): Likewise.
6463
6464 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
6465
6466         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
6467         variant of the load_pcrel_sym pattern.
6468         * config/sparc/sparc.md (P macro): Move to the top.
6469         (load_pcrel_sym): Macroize using P.
6470         (save_register_window): Likewise.
6471
6472 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
6473
6474         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
6475         ("sordered"): Same.
6476
6477 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
6478
6479         PR C/19472
6480         * c-typeck.c (build_asm_expr): Strip nops off
6481         input memory operands.
6482
6483 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
6484
6485         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
6486         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
6487         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
6488         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
6489
6490 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
6491
6492         PR target/19379
6493         * config/i386/i386.c (override_options): If the 80387 is disabled,
6494         then do not return FP values using FP registers.
6495
6496 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
6497
6498         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
6499         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
6500         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
6501         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
6502         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
6503         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
6504         output.h, postreload-gcse.c, postreload.c, recog.c,
6505         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
6506         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
6507         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
6508         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
6509         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
6510         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
6511         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
6512         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
6513
6514         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
6515         config/alpha/alpha.c, config/arm/vfp.md,
6516         config/i386/emmintrin.h, config/i386/i386-modes.def,
6517         config/i386/i386-protos.h, config/i386/i386.h,
6518         config/i386/pmmintrin.h, config/i386/ppro.md,
6519         config/i386/predicates.md, config/i386/xmmintrin.h,
6520         config/i860/i860.c, config/ia64/ia64-modes.def,
6521         config/ia64/ia64-protos.h, config/ia64/ia64.h,
6522         config/ia64/ia64.md, config/ia64/itanium1.md,
6523         config/ia64/itanium2.md, config/ia64/predicates.md,
6524         config/iq2000/iq2000.h, config/mips/linux64.h,
6525         config/rs6000/aix41.h, config/rs6000/aix43.h,
6526         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
6527         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6528         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
6529         config/sparc/linux64.h, config/sparc/litecoff.h,
6530         config/sparc/sp64-elf.h, config/sparc/sparc.c,
6531         config/sparc/sparc.h, config/sparc/sparc.md,
6532         config/sparc/sysv4-only.h: Update copyright.
6533
6534 2005-01-18  Richard Henderson  <rth@redhat.com>
6535
6536         PR target/19496
6537         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
6538
6539 2005-01-18  Marc Espie  <espie@openbsd.org>
6540         * config/i386/openbsdelf.h: Typo.
6541
6542 2005-01-18  Richard Henderson  <rth@redhat.com>
6543
6544         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
6545         special case for sse.
6546         * config/i386/predicates.md (sse_comparison_operator): Likewise.
6547
6548 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
6549
6550         * tree-inline.c (estimate_num_insns_1): Added cases for
6551         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
6552
6553 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
6554
6555         PR rtl-optimization/19296
6556         * combine.c (simplify_comparison): Rewrite the condition under
6557         which a non-paradoxical SUBREG of a PLUS can be lifted when
6558         compared against a constant.
6559
6560 2005-01-18  Andi Kleen <ak@muc.de>
6561
6562         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
6563         * c.opt (-Wpointer-sign): Add.
6564         * doc/invoke.texi: (-Wpointer-sign): Add.
6565
6566 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
6567
6568         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
6569         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
6570         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
6571         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
6572         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
6573         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
6574         for TARGET_MIX_SSE_I387.
6575         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
6576         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
6577         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
6578         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
6579         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
6580         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
6581         TARGET_MIX_SSE_I387.
6582         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
6583         from expander.
6584
6585 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
6586
6587         PR target/19424
6588         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
6589         Add movaps alternative for xmm reg->reg move.
6590
6591 2005-01-17  Jeff Law  <law@redhat.com>
6592
6593         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
6594         at the end of the main DOM loop rather than just before DOM exits.
6595
6596 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
6597
6598         PR tree-optimization/19121
6599         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
6600         adding aliases to a name tag, also add them to the pointer's
6601         type tag.
6602         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
6603         sensitive alias info at all.  Only check that the two pointers
6604         have compatible pointed-to sets.
6605         * tree-ssa.c (verify_name_tags): Verify that the alias set of
6606         a pointer's type tag is a superset of the alias set of the
6607         pointer's name tag.
6608
6609 2005-01-17  James E Wilson  <wilson@specifixinc.com>
6610
6611         PR target/19357
6612         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
6613         comment to document why.
6614
6615 2005-01-17  Richard Henderson  <rth@redhat.com>
6616
6617         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
6618         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
6619         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
6620         sse2_vmsminv2df3_finite): New.
6621         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
6622         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
6623         Force op1 into register.
6624
6625 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
6626
6627         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
6628         bubblestrap from always rebuilding build directory.
6629
6630 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
6631
6632         * config/s390/s390.md ("*clc"): Remove incorrect '='.
6633         ("*cmpmem_short"): Likewise.
6634
6635 2005-01-17  Steven Bosscher  <stevenb@suse.de>
6636
6637         * basic-block.h: Document BB_* flags.
6638         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
6639         use an sbitmap instead.
6640         * sched-rgn.c (compute_trg_info): Likewise.
6641
6642 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
6643
6644         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
6645         redundant target_cpu_default and extra_parts lines.  Use the default
6646         "from-abi" ISA.
6647         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
6648         (SUBTARGET_EXTRA_SPECS): Delete.
6649         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
6650         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
6651         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
6652         and "n32" for -mabi=n32.
6653
6654 2005-01-17  Ian Lance Taylor  <ian@airs.com>
6655
6656         PR c/5675
6657         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
6658         fold constant variables into initial values.
6659
6660 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
6661
6662         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
6663
6664         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
6665         through the statements backward.
6666
6667 2005-01-17  Ian Lance Taylor  <ian@airs.com>
6668
6669         PR middle-end/13127:
6670         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
6671         a variable set to the return value of the inlined function.
6672
6673 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
6674
6675         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
6676         when modes are tieable.
6677
6678 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
6679
6680         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
6681         of pthread_create to find out if threads are enabled.
6682         * gthr-posix95.h (__gthread_active_p): Likewise.
6683
6684 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
6685
6686         * common.opt (-fnew-ra): Remove.
6687         * ra*.*: Remove.
6688         * toplev.h (flag_new_regalloc): Remove.
6689         * Makefile.in (ra*.*): Don't mention.
6690         * passes.c (rest_of_handle_new_regalloc): Remove.
6691         (rest_of_handle_combine, rest_of_compilation): Always consider
6692         flag_new_regalloc as false.
6693         * doc/invoke.texi: Don't document -fnew-ra.
6694
6695 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
6696
6697         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
6698         last parameter to reg_scan.
6699         * loop.c (loop_optimize): Likewise.
6700         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
6701         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
6702         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
6703         rest_of_handle_gcse, rest_of_handle_loop_optimize,
6704         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
6705         * regclass.c (reg_scan): Likewise, for the declaration.
6706         * rtl.h (reg_scan): Likewise, for the prototype.
6707
6708 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
6709
6710         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
6711         mark_dfs_back_edges.
6712
6713 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
6714
6715         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
6716         (compute_avail): Uses don't go in tmp_gen.
6717
6718 2005-01-16  Steven Bosscher  <stevenb@suse.de>
6719
6720         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
6721         loop to look for a free slot in a page entry.
6722
6723 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6724
6725         PR target/16304
6726         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
6727         * toplev.c (compile_file): Call process_pending_assemble_output_defs
6728         just before targetm.asm_out.file_end.
6729         * tree.h (process_pending_assemble_output_defs): Declare.
6730         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
6731         New functions.
6732         (assemble_alias): Defer generation of assembly code for defines when
6733         TARGET_DEFERRED_OUTPUT_DEFS is true.
6734         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
6735         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
6736         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
6737
6738 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6739
6740         PR target/19336
6741         * pa.c (pa_scalar_mode_supported_p): New function.
6742         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6743         * pa.h (MIN_UNITS_PER_WORD): Add comment.
6744
6745         * pa-protos.h (prefetch_operand): Delete.
6746         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
6747         * pa.c (prefetch_operand): Delete.
6748         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
6749         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
6750         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
6751         and prefetch_nocc_operand.
6752         * pa.md (prefetch): Rework to avoid reload problems handling short
6753         displacements when a cache control completer needs to be provided.
6754         (prefetch_32, prefetch_64): Delete.
6755         (prefetch_cc, prefetch_nocc): New patterns.
6756
6757 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
6758
6759         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
6760
6761 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6762
6763         PR ada/19388
6764         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
6765         exceeds maximum alignment for global common data.
6766         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
6767         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
6768
6769 2004-01-15  Roger Sayle  <roger@eyesopen.com>
6770
6771         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
6772
6773 2004-01-15  Roger Sayle  <roger@eyesopen.com>
6774
6775         * harg-reg-set.h (reg_class_names): Prototype global array.
6776         * regclass.c (reg_class_names): Declare here and initialize to
6777         REG_CLASS_NAMES.
6778         (dump_regclass): Remove local declaration of reg_class_names.
6779         (regclass): Likewise.
6780         * cfg.c (dump_flow_info): Likewise.
6781         * ra-debug.c (reg_class_names): Likewise.
6782         * regrename.c (reg_class_names): Likewise.
6783         * reload.c (reg_class_names): Likewise.
6784         * reload1.c (spill_failure): Likewise.
6785         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
6786
6787 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
6788
6789         * config/s390/s390.md ("reload_outti"): Remove predicate for
6790         output operand.  Abort if operand is not a MEM.
6791         ("reload_outdi", "reload_outdf"): Likewise.
6792
6793 2005-01-15  Marc Espie  <espie@openbsd.org>
6794
6795         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
6796         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
6797         * config/openbsd.h:  Fix C++ includes for native configurations.
6798         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
6799         Add trampoline support.
6800         * config/i386/openbsdelf.h: New.
6801
6802 2005-01-15  Marc Espie  <espie@openbsd.org>
6803
6804         * collect2.c (main): Explicitly parse -dynamic-linker option.
6805
6806 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
6807
6808         PR tree-optimization/19060
6809         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
6810         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
6811         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
6812         and handle extract_range_from_cond returning false.
6813         * fold-const.c (fold): Optimize comparisons with min/max even for
6814         width > HOST_BITS_PER_WIDE_INT.
6815
6816 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
6817
6818         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
6819         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
6820         Remove little endian multilib variants.
6821         Add mips32 multilib variant.
6822
6823 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
6824
6825         * explow.c (copy_all_reg, stabilize): Remove.
6826         * expr.h: Remove the corresponding prototypes.
6827
6828         * rtlanal.c (regs_set_between_p): Remove.
6829         * rtl.h: Remove the corresponding prototype.
6830
6831 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
6832
6833         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
6834         to rs6000_nonimmediate_operand.
6835         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
6836         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
6837         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
6838         rs6000_nonimmediate_operand.
6839         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
6840         rs6000_nonimmediate_operand.
6841
6842 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
6843
6844         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
6845
6846 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
6847
6848         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
6849         on e500v2.
6850         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
6851         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
6852
6853         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
6854         (rs6k_nonimmediate_operand): New.
6855         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
6856         correctly.
6857         (legitimate_lo_sum_address_p): Same.
6858         (rs6000_legitimize_address): Same.
6859         (rs6000_legitimize_reload_address): Same.
6860         (rs6000_legitimate_address): Same.
6861         (spe_build_register_parallel): Pass DF and DC modes in a DI
6862         register.
6863
6864         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
6865         to rs6k_nonimmediate_operand.
6866
6867         * config/rs6000/spe.md ("*frob_df_di"): New.
6868         ("*frob_di_df"): New.
6869         ("*frob_di_df_2"): New.
6870         ("*mov_sidf_e500_subreg0"): New.
6871         ("*mov_sidf_e500_subreg4"): New.
6872         ("*movdf_e500_double"): Change predicate to
6873         rs6k_nonimmediate_operand.
6874
6875 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
6876
6877         * postreload.c (move2add_note_store): Only call
6878         trunc_int_for_mode on scalar integers.
6879
6880 2005-01-14  Steven Bosscher  <stevenb@suse.de>
6881
6882         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
6883         replace BB_VISITED uses.
6884         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
6885         (propagate_necessity): Check the bitmap instead of BB_VISITED.
6886         (tree_dce_done): Free visited_control_parents.
6887         (perform_tree_ssa_dce): Allocate and clear it.
6888         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
6889         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
6890         instead of BB_VISITED.
6891
6892 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
6893
6894         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
6895         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
6896         Remove unused prototypes.
6897
6898 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
6899
6900         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
6901         64-bit register usage.
6902         (spe_func_has_64bit_regs_p): Add FIXME note.
6903
6904 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
6905
6906         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
6907         flag_finite_math_only with flag_unsafe_math_optimizations.
6908
6909 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
6910
6911         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
6912         end-of-stack check.
6913         (__tpf_eh_return): Copy TPF private stack area from the module
6914         boundary stack frame.  Add check for when module addresses are
6915         equal, but no stub address is found.
6916
6917 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
6918
6919         PR target/7525
6920         * arm.h (struct machine_function): Add call_via field.
6921         (thumb_call_via_label): Declare.
6922         * arm.c (thumb_call_via_label): New variable.
6923         (thumb_call_reg_needed): New variable.
6924         (arm_output_function_epilogue): For Thumb code, output any per-function
6925         call-indirect trampolines.
6926         (thumb_call_via_reg): New function.
6927         (arm_file_end): New function.
6928         (TARGET_ASM_FILE_END): Call arm_file_end.
6929         (aof_file_end): Likewise.
6930         * arm-protos.h (thumb_call_via_reg): Declare.
6931         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
6932         thumb_call_via_reg in normal case.
6933
6934 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
6935
6936         PR middle-end/19084
6937         PR rtl-optimization/19348
6938         * recog.c (peephole2_optimize): Do global life update if some peephole
6939         decides it doesn't need at least one of its inputs and that change
6940         influences liveness at the start of the basic block.
6941
6942         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
6943         arguments instead of 1.
6944
6945 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
6946
6947         PR middle-end/18820
6948         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
6949         zero for nested functions needing a static chain or functions
6950         with a non-constant address.
6951
6952 2005-01-13  Roger Sayle  <roger@eyesopen.com>
6953
6954         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
6955         (and (sign_extend X) C) into (zero_extend (and X C)).
6956
6957 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
6958
6959         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
6960
6961 2005-01-13  Richard Henderson  <rth@redhat.com>
6962
6963         PR target/19009
6964         PR target/19250
6965         PR target/19252
6966         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
6967         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
6968         not just TARGET_SSE.
6969         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
6970         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
6971         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
6972         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
6973         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
6974         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
6975         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
6976         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
6977         (movdicc_c_rex64): Rename with '*'.
6978         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
6979         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
6980         (movsfcc_1_387): Rename from movsfcc_1.
6981         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
6982         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
6983         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
6984         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
6985         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
6986         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
6987         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
6988         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
6989         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
6990         sse_movdfcc_const0_4): Remove.
6991         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
6992         recognize min/max early.  Update for changed sse cmove patterns.
6993         (ix86_split_sse_movcc): New.
6994         * config/i386/i386-protos.h: Update.
6995
6996 2005-01-13  Steven Bosscher  <stevenb@suse.de>
6997
6998         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
6999         (fix_stmt_v_may_defs): Likewise.
7000
7001 2005-01-13  Richard Henderson  <rth@redhat.com>
7002
7003         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
7004         for converting the mask.
7005
7006 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
7007
7008         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
7009         definition to 600.
7010
7011 2005-01-13  Richard Henderson  <rth@redhat.com>
7012
7013         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
7014         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
7015         IX86_BUILTIN_MOVDQ2Q): Remove.
7016         (IX86_BUILTIN_VEC_EXT_V4SI): New.
7017         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
7018         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
7019         shuffling.
7020         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
7021         (sse2_pextrw): Fix immediate constraint.
7022         (sse2_loadq, sse2_loadq_rex64): Remove.
7023         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
7024         Use __builtin_ia32_vec_ext_<size>.
7025         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
7026
7027 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
7028
7029         * function.c (assign_parm_setup_block): Look inside original
7030         entry_parm when inspecting PARALLEL.
7031
7032 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
7033             Joel Sherrill  <joel@oarcorp.com>
7034
7035         PR target/19399
7036         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
7037         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
7038         rtems_gxx_recursive_mutex_init.
7039         (__gthread_recursive_mutex_lock): New function.
7040         (__gthread_recursive_mutex_trylock): Likewise.
7041         (__gthread_recursive_mutex_unlock): Likewise.
7042
7043 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
7044
7045         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
7046
7047 2005-01-13  Jan Beulich  <jbeulich@novell.com>
7048
7049         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
7050         (ashrti3_internal): Indicate output is early clobber. Generate result
7051         into output rather than first input. Use move for low word of output
7052         if shift count is exactly 64.
7053         (lshrti3_internal): Likewise.
7054
7055 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
7056
7057         PR target/18329
7058         PR target/18330
7059         * reload1.c (delete_output_reload): Don't delete an output reload
7060         if the pseudo lives longer than a single basic block.  Adjust and
7061         improve wording of comment.
7062
7063 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
7064
7065         PR target/19334
7066         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
7067         of TYPE_SIZE where we mean the number of bytes.
7068
7069 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
7070
7071         * function.c (assign_parm_setup_block): Relax condition on
7072         multi-register optimization.
7073
7074 2005-01-12  Nick Clifton  <nickc@redhat.com>
7075
7076         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
7077         an "in_delay_slot" attribute of "no" to prevent them being used in
7078         delay slots.  This is forbidden because they might generate
7079         exceptions.
7080
7081 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
7082
7083         PR target/19389
7084         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
7085         with r->Y and Y->r.
7086
7087 2005-01-12  Nick Clifton  <nickc@redhat.com>
7088
7089         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
7090         passed on to GAS) but do not define, as GAS no longer supports or
7091         needs the -m2000 option.
7092
7093 2005-01-11  Roger Sayle  <roger@eyesopen.com>
7094
7095         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
7096         type as args of unprototyped builtins aren't automatically promoted.
7097         (fold_builtin_abs): Likewise.
7098
7099 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7100
7101         * Makefile.in: Set a `build-warn' variable.
7102
7103 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
7104
7105         PR tree-optimization/17949
7106         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
7107         (find_interesting_uses_address): Use it.
7108
7109 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
7110
7111         * regrename.c (kill_value): Handle subreg's that won't simplify.
7112
7113 2005-01-11  Richard Henderson  <rth@redhat.com>
7114
7115         PR target/13366
7116         * config/i386/i386.h (enum ix86_builtins): Move ...
7117         * config/i386/i386.c: ... here.
7118         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
7119         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
7120         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
7121         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
7122         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
7123         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
7124         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
7125         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
7126         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
7127         IX86_BUILTIN_LOADDDUP): Remove.
7128         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
7129         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
7130         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
7131         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
7132         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
7133         (ix86_init_builtins): Make static.
7134         (ix86_init_mmx_sse_builtins): Update for changed builtins.
7135         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
7136         if all the modes match.  Otherwise, fake it.
7137         (get_element_number, ix86_expand_vec_init_builtin,
7138         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
7139         (ix86_expand_builtin): Make static.  Update for changed builtins.
7140         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
7141         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
7142         (ix86_expand_vector_init_duplicate): New.
7143         (ix86_expand_vector_init_low_nonzero): New.
7144         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
7145         Split out from ix86_expand_vector_init; handle integer modes.
7146         (ix86_expand_vector_init): Use them.
7147         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
7148         * config/i386/i386-protos.h: Update.
7149         * config/i386/predicates.md (reg_or_0_operand): New.
7150         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
7151         (movv2sf_internal): Likewise.  And a splitter to match them all.
7152         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
7153         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
7154         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
7155         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
7156         (mmx_pinsrw): Fix operand ordering.
7157         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
7158         rather than sse_loadss expander.
7159         (movv2df splitter): Similarly.
7160         (sse_loadss, sse_loadlss): Remove.
7161         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
7162         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
7163         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
7164         (sse3_movddup): Rename with '*'.
7165         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
7166         (sse2_loadsd): Remove.
7167         (vec_dupv2df_sse3): Rename from sse3_loadddup.
7168         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
7169         (sse2_pinsrw): Fix argument ordering.
7170         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
7171         (sse2_stored): Remove 'r' destination.
7172         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
7173         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
7174         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
7175         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
7176         vec_extractv16qi, vec_initv16qi): New.
7177
7178         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
7179         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
7180         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
7181         constructor form.
7182         (_mm_load_pd, _mm_store_pd): Use plain dereference.
7183         (_mm_load_si128, _mm_store_si128): Likewise.
7184         (_mm_load1_pd): Use _mm_set1_pd.
7185         (_mm_load_sd): Use _mm_set_sd.
7186         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
7187         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
7188         (_mm_set_epi64): Use _mm_set_epi64x.
7189         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
7190         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
7191         _mm_setr_epi8): Use _mm_set_foo form.
7192         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
7193         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
7194         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
7195         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
7196         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
7197         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
7198         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
7199         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
7200         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
7201         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
7202         (_mm_movedup_pd): Use _mm_shuffle_pd.
7203         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
7204         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
7205         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
7206         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
7207         Use _mm_setzero_ps.
7208         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
7209         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
7210         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
7211         (_mm_store_ps): Use raw dereference.
7212         (_mm_store1_ps): Use _mm_storeu_ps.
7213         (_mm_storer_ps): Use _mm_store_ps.
7214         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
7215         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
7216
7217 2005-01-11  Stan Shebs  <shebs@apple.com>
7218
7219         * config/rs6000/rs6000.c (machopic_output_stub): Issue
7220         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
7221
7222 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
7223
7224         PR target/18761
7225         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
7226         Skip all DECLs except for FIELD_DECLs.
7227
7228 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
7229
7230         * config/s390/s390.c (override_options): Return error if
7231         -mbackchain, -mpacked-stack and -mhard-float are used together.
7232         (s390_va_start): Remove the backchain && packed-stack special case.
7233         (s390_gimplify_va_arg): Likewise.
7234         * doc/invoke.texi: Remove the ABI incompatibility note.
7235
7236 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
7237
7238         * config/s390/s390.c (struct s390_frame_layout): Remove
7239         save_backchain_p.
7240         (s390_frame_info, s390_emit_prologue): Replace occurrences of
7241         save_backchain_p with TARGET_BACKCHAIN.
7242
7243 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
7244
7245         PR target/18916
7246         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
7247         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
7248         * function.c (locate_and_pad_parm): Set new field.
7249         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
7250         Tweak where_pad test to include "none".  Always set mem align for
7251         stack_parm.
7252         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
7253         not sufficient for type.
7254         (assign_parm_setup_block): If stack_parm is zero on entry, always
7255         make a new stack local.  Block move old stack parm if necessary
7256         to new aligned stack local.
7257         (assign_parm_setup_stack): Use a block move to handle
7258         potentially misaligned entry_parm.
7259         (assign_parms_unsplit_complex): Specify required alignment when
7260         creating stack local.
7261         * calls.c (compute_argument_addresses): Override alignment of stack
7262         arg calculated from its type with the alignment given by
7263         FUNCTION_ARG_BOUNDARY.
7264         (store_one_arg): Likewise.
7265
7266 2005-01-11  Jan Beulich  <jbeulich@novell.com>
7267
7268         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
7269         Change respective itanium_class attribute to ialu.
7270         (shladdp4_internal): New.
7271         * config/ia64/predicates.md (shladd_log2_operand): New.
7272
7273 2005-01-11  Richard Henderson  <rth@redhat.com>
7274
7275         * expr.c (store_constructor): Use rtvec_alloc instead of
7276         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
7277
7278 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
7279
7280         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
7281
7282 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
7283
7284         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
7285         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
7286         (TARGET_RWRELOC): Define.
7287         (ia64_rwreloc_section_type_flags): Delete.
7288         (ia64_section_type_flags): New function.
7289         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
7290         (TARGET_RWRELOC): Define.
7291
7292 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
7293
7294         PR target/18987
7295         * config/ia64/ia64.c (process_set): For alloc insn, only call
7296         process_epilogue is !frame_pointer_needed.
7297
7298 2005-01-10  Roger Sayle  <roger@eyesopen.com>
7299
7300         PR c++/19355
7301         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
7302         unary operator and can't be treated as a binary/comparison operator.
7303
7304 2005-01-10  Richard Henderson  <rth@redhat.com>
7305
7306         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
7307         (ix86_return_in_memory): Likewise.
7308         (function_arg_advance):  Likewise.  Mirror structure in function_arg
7309         for choosing register to advance.
7310
7311 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
7312
7313         * tree-vectorizer.c, tree.def: Fix comment typos.
7314
7315 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
7316
7317         * config/s390/s390.c (struct processor_costs): 4 new fields:
7318         ddbr, ddr, debr, der.
7319         (s390_rtx_costs): More precise handling of divide instructions.
7320
7321 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
7322
7323         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
7324
7325 2005-01-10  Jan Beulich  <jbeulich@novell.com>
7326
7327         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
7328         names resulting from -ffunction-sections/-fdata-sections and linkonce
7329         ones.
7330         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
7331         based on the section name. Rearrange the section name comparison logic
7332         slightly so that each section name is compared against at most once.
7333
7334 2005-01-10  Ben Elliston  <bje@au.ibm.com>
7335
7336         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
7337         targets for which -fPIC reduces limitations on the GOT size.
7338
7339 2005-01-09  Falk Hueffner  <falk@debian.org>
7340
7341         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
7342         X/C1 cmpop C2.
7343
7344 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
7345
7346         PR target/18720
7347         * collect2.c (main): Set aixrtl_flag for -brtl option.
7348         (resolve_lib_name): Search for .so file extension before .a
7349         if aixrtl_flag set.
7350
7351 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
7352
7353         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
7354         (vect_analyze_data_refs_alignment): Add dump prints.
7355
7356 2005-01-09  Ira Rosen  <irar@il.ibm.com>
7357
7358         * tree-vectorizer.c (vect_analyze_offset_expr): Use
7359         expr_invariant_in_loop_p.
7360         Initialize outputs first thing in the function.
7361         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
7362         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
7363         (vect_analyze_pointer_ref_access): Check that the initial condition of
7364         the access function is loop invariant.
7365
7366 2005-01-09  Richard Henderson  <rth@redhat.com>
7367
7368         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
7369         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
7370         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
7371         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
7372         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
7373         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
7374         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
7375         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
7376         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
7377         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
7378         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
7379         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
7380         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
7381         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
7382         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
7383         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
7384         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
7385         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
7386         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
7387         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
7388         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
7389         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
7390         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
7391         mmx_ prefix.
7392         (mmx_clrdi, pavgusb): Remove.
7393         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
7394         with leading sse_ prefix.
7395         * config/i386/sse.md: Receive them.
7396         * config/i386/mmx.md: New file.
7397         (MMXMODE12, MMXMODE24, mmxvecsize): New.
7398         (subrv2sf3): Turn into expander for normal subtraction.
7399         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
7400         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
7401         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
7402         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
7403         commutative; use ix86_binary_operator_ok.
7404         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
7405         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
7406         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
7407         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
7408         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
7409         Macroize from existing patterns; use ix86_binary_operator_ok.
7410         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
7411         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
7412         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
7413         with vec_select+vec_concat.
7414         (mmx_pshufw, mmx_pshufw_1): Likewise.
7415         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
7416         (mmx_uavgv4hi3): Model correctly.
7417         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
7418         _mm_xor_si64): Remove casts.
7419
7420 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
7421
7422         PR tree-optimization/19224
7423         * tree-scalar-evolution.c (get_instantiated_value,
7424         set_instantiated_value): New functions.
7425         (instantiate_parameters_1): Cache the results.
7426         (instantiate_parameters, resolve_mixers): Initialize and free
7427         the cache.
7428
7429 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
7430
7431         * config/i386/i386.md (addhi_4): Correct reference in comment.
7432         (addqi_4): Same.
7433
7434 2005-01-08  Richard Henderson  <rth@redhat.com>
7435
7436         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
7437         (_mm_cvtsi128_si64x): Likewise.
7438         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
7439         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
7440         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
7441         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
7442         * config/i386/i386-protos.h: Update.
7443         * config/i386/i386.c (print_operand): Add 'H'.
7444         (ix86_fixup_binary_operands): Split out from ...
7445         (ix86_expand_binary_operator): ... here.
7446         (ix86_fixup_binary_operands_no_copy): New.
7447         (ix86_expand_fp_absneg_operator): Handle vector mode results.
7448         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
7449         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
7450         (safe_vector_operand): Use CONST0_RTX.
7451         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
7452         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
7453         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
7454         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
7455         special cases.
7456         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
7457         (IX86_BUILTIN_CMPNGESS): New.
7458         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
7459         (attr type): Add sselog1.
7460         (attr unit, attr memory): Handle it.
7461         (movti, movti_internal, movti_rex64): Move near other integer moves.
7462         (movtf, movtf_internal): Move near other fp moves.
7463         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
7464         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
7465         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
7466         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
7467         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
7468         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
7469         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
7470         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
7471         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
7472         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
7473         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
7474         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
7475         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
7476         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
7477         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
7478         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
7479         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
7480         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
7481         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
7482         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
7483         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
7484         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
7485         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
7486         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
7487         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
7488         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
7489         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
7490         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
7491         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
7492         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
7493         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
7494         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
7495         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
7496         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
7497         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
7498         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
7499         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
7500         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
7501         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
7502         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
7503         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
7504         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
7505         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
7506         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
7507         same time.
7508         (SSEPUSH, push<SSEPUSH>): Remove.
7509         (MMXPUSH, push<MMXPUSH>): Remove.
7510         (sse_movaps, sse_movaps_1, sse_movups): Remove.
7511         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
7512         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
7513         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
7514         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
7515         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
7516         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
7517         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
7518         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
7519         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
7520         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
7521         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
7522         (ppro_sse_log_V4SF): Handle sselog1.
7523         * config/i386/predicates.md (const_0_to_1_operand): New.
7524         (const_0_to_255_mul_8_operand): New.
7525         (const_1_to_31_operand): Rename from const_int_1_31_operand.
7526         (const_2_to_3_operand, const_4_to_7_operand): New.
7527         * config/i386/sse.md: New file.
7528         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
7529         (sse_movups): Rename from sse_movups_1.
7530         (sse_loadlss): Rename from sse_loadss_1.
7531         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
7532         from the name.
7533         (negv4sf2): Use ix86_expand_fp_absneg_operator.
7534         (absv4sf2, negv2df, absv2df): New.
7535         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
7536         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
7537         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
7538         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
7539         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
7540         (sse3_addsubv4sf3): Model correctly.
7541         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
7542         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
7543         (sse_movhlps): Model with vec_select+vec_concat.
7544         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
7545         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
7546         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
7547         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
7548         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
7549         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
7550         sse2_pshufhw_1): Likewise.
7551         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
7552         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
7553         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
7554         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
7555         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
7556         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
7557         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
7558         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
7559         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
7560         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
7561         sminv8hi3): Mark commutative
7562         operands.  Use ix86_binary_operator_ok.
7563         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
7564         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
7565         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
7566         sse2_punpcklqdq): Allow operand2 in memory.
7567         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
7568         sse2_movsd): Add memory alternatives.
7569         (sse_storelps): Turn expander into an insn; split after reload.
7570         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
7571         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
7572
7573 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7574
7575         * configure.ac (DWARF-2 debug_line): Use objdump.
7576         * configure: Regenerate.
7577
7578 2005-01-08  Jeff Law  <law@redhat.com>
7579             Diego Novillo  <dnovillo@redhat.com>
7580
7581         PR tree-optimization/18241
7582         * tree-nrv.c (tree_nrv): Ignore volatile return values.
7583         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
7584         statements with volatile operands.
7585         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
7586         operands after marking a statement with has_volatile_ops.
7587
7588 2005-01-08  Roger Sayle  <roger@eyesopen.com>
7589
7590         * tree.c (int_fits_type_p): Always honor integer constant
7591         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
7592
7593 2005-01-08  Roger Sayle  <roger@eyesopen.com>
7594
7595         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
7596         the latent bug in rtl_delete_block has been resolved.
7597
7598 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
7599
7600         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
7601         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
7602
7603 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
7604
7605         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
7606         library as @multilib_dir@/$(SHLIB_SONAME).
7607
7608 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7609
7610         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
7611         * configure: Regenerate.
7612
7613 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
7614
7615         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
7616         TYPE_MODE.
7617
7618 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
7619
7620         PR target/13674
7621         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7622         Convert non-word aligned offset address using ld/std into
7623         indirect address.
7624
7625 2005-01-07  Richard Henderson  <rth@redhat.com>
7626
7627         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
7628
7629 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
7630
7631         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
7632
7633 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
7634
7635         PR tree-optimization/19283
7636         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
7637         is not shorter than the original type.
7638
7639         PR rtl-optimization/19012
7640         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
7641
7642         PR rtl-optimization/18861
7643         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
7644         (FULL_STATE): Define.
7645         (mark_tablejump_edge): New function.
7646         (purge_dead_tablejump_edges): New function.
7647         (find_bb_boundaries): Use it.
7648
7649         PR tree-optimization/18828
7650         * builtins.c (expand_builtin_next_arg): Remove argument and all
7651         the argument checking.
7652         (expand_builtin): Adjust caller.
7653         (expand_builtin_va_start): Likewise.  Remove error for too many
7654         arguments.
7655         (fold_builtin_next_arg): Issue error for too many arguments.
7656         After checking arguments, replace them with magic arguments that
7657         prevent further checking of the args.
7658
7659 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7660
7661         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
7662
7663 2005-01-06  Roger Sayle  <roger@eyesopen.com>
7664
7665         PR target/6077
7666         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
7667         and %{.S:...} (and their negative variants) to test whether the
7668         input file is assembler or pre-processed-assembler independent of
7669         the actual filename extension.
7670
7671 2005-01-06  Roger Sayle  <roger@eyesopen.com>
7672
7673         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
7674         of sign or zero extended values.
7675
7676 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
7677
7678         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
7679         for IBM long double format correctly.
7680
7681 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
7682
7683         Fix PR tree-optimization/18792
7684
7685         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
7686         to first_loop_depth, and use loop depth instead of loop number.
7687         (build_classic_dir_vector): Ditto.
7688         (compute_data_dependences_for_loop): Use depth, not loop number.
7689         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
7690         number. Pass in loops, instead of loop numbers.
7691         (gather_interchange_stats): Ditto.
7692         (linear_transform_loops): Ditto.
7693
7694 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
7695
7696         PR rtl-opt/13299
7697         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
7698         biv_fits_mode_p, extension_within_bounds_p): New functions.
7699         (check_ext_dependent_givs): Use them.
7700
7701 2005-01-06  Roger Sayle  <roger@eyesopen.com>
7702
7703         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
7704         more than one barrier, in which case we should delete them all.
7705
7706 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
7707
7708         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
7709
7710 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
7711
7712         Fix PR middle-end/19286
7713         Fix PR debug/19267
7714         * dwarf2out.c (gen_subprogram_die): If we've already tried to
7715         output this subprogram, simply ignore this attempt to do it again.
7716         (add_abstract_origin_attribute): Don't abort trying to add the abstract
7717         origin attribute if it's not possible.
7718         (gen_block_die): Don't ignore subblocks of "unused" blocks.
7719         (decls_for_scope): Ditto.
7720         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
7721         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
7722
7723 2005-01-05  Richard Henderson  <rth@redhat.com>
7724
7725         PR target/11327
7726         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
7727         (bdesc_2arg): Use it.
7728         (ix86_expand_binop_builtin): Force operands into registers
7729         when optimizing.
7730         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
7731         ix86_expand_sse_compare, ix86_expand_sse_comi,
7732         ix86_expand_builtin): Likewise.
7733
7734 2005-01-05  Richard Henderson  <rth@redhat.com>
7735
7736         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
7737         and VEC_SELECT.
7738         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
7739         (mulv4hi3): Set itanium_class mmmul.
7740         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
7741         (fpack): Rename from fpack_sfsf.
7742
7743 2005-01-05  Richard Henderson  <rth@redhat.com>
7744
7745         PR rtl-opt/10692
7746         * reload1.c (do_input_reload): Restrict the optimization deleteing
7747         a previous output reload to RELOAD_FOR_INPUT.
7748
7749 2005-01-05  Steven Bosscher  <stevenb@suse.de>
7750
7751         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
7752         comment that we fall through after case.
7753         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
7754         (distribute_links): Likewise.
7755         * cse.c (cse_insn): Likewise.
7756         * cselib.c (cselib_invalidate_mem): Likewise.
7757         * df.c: Update comments at the top of the file.
7758         (read_modify_subreg_p): Update comments here too.
7759         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
7760         * flow.c (mark_set_1): Likewise.
7761         (mark_used_regs): Likewise.
7762         * gcse.c (mems_conflict_for_gcse_p): Likewise.
7763         (canon_list_insert): Likewise.
7764         (mark_set): Likewise.
7765         (try_replace_reg): Likewise.
7766         (store_killed_in_insn): Likewise.
7767         * loop.c (count_one_set): Likewise.
7768         (basic_induction_var): Likewise.
7769         * postreload-gcse.c (find_mem_conflicts): Likewise.
7770         * postreload.c (reload_combine_note_store): Likewise.
7771         (move2add_note_store): Likewise.
7772         * reload.c (find_equiv_reg): Likewise.
7773         (mark_referenced_resources): Likewise.
7774         * rtlanal.c (set_noop_p): Likewise.
7775         (note_stores): Likewise.
7776         (note_uses): Likewise.
7777         * sched-deps.c (sched_analyze_1): Likewise.
7778         * sched-rgn.c (check_live_1): Likewise.
7779         (update_live_1): Likewise.
7780         * config/i860/i860.c: Likewise.
7781
7782         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
7783         an lvalue.
7784         (ZERO_EXTRACT): Mention that this one can be an lvalue.
7785
7786         * doc/rtl.texi: Update documentation for bit-fields and SET.
7787
7788 2005-01-05  Roger Sayle  <roger@eyesopen.com>
7789
7790         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
7791
7792 2005-01-05  Jan Hubicka  <jh@suse.cz>
7793             Richard Henderson  <rth@redhat.com>
7794
7795         PR target/18910
7796         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
7797         with an offset.
7798
7799 2005-01-05  Richard Henderson  <rth@redhat.com>
7800
7801         PR target/12902
7802         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
7803         (sse_shufps): Change operand 3 to const_int_operand.
7804         (sse2_storelps): Fix typo in template.
7805         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
7806         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
7807         (ix86_expand_builtin): Likewise.
7808
7809 2005-01-05  Julian Brown  <julian@codesourcery.com>
7810
7811         * config/arm/arm.c (arm_return_in_memory): Treat complex types
7812         as aggregates for AAPCS ABIs.
7813
7814 2005-01-05  Stan Shebs  <shebs@apple.com>
7815
7816         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
7817         Mach-O getters if ppc64.
7818         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
7819         size argument.
7820         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
7821         signed four-byte field for global code case.
7822         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
7823
7824 2005-01-05  Roger Sayle  <roger@eyesopen.com>
7825
7826         PR middle-end/19100
7827         * c-common.c: Include real.h.
7828         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
7829         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
7830         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
7831         * Makefile.in (c-common.o): Update dependencies.
7832
7833 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
7834
7835         * c-parse.in (asm_string): Add trailing semicolon.
7836
7837 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
7838
7839         * c-parse.in (asm_string): New.  Don't allow wide strings in
7840         'asm'.
7841         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
7842         asm_string instead of STRING.
7843
7844 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
7845
7846         * c-typeck.c (constructor_no_implicit): Remove.
7847         (set_designator, process_init_element): Don't check
7848         constructor_no_implicit.
7849
7850 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
7851             Kaz Kojima  <kkojima@gcc.gnu.org>
7852
7853         PR target/16482
7854         * lcm.c (create_pre_exit): New.
7855         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
7856         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
7857
7858 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
7859
7860         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
7861         -msoft-float in target_float_switch.
7862         * arm.c (arm_override_options): Fix processing of target_float_switch.
7863
7864 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
7865
7866         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
7867         preferencing.
7868
7869 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
7870
7871         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
7872         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
7873
7874 2005-01-04  Roger Sayle  <roger@eyesopen.com>
7875
7876         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
7877         if deleting the then-block allows the test-block to fallthru to the
7878         else-block.
7879
7880 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
7881
7882         PR c/19152
7883         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
7884         after the full declaration if the are in two different TUs.
7885
7886 2005-01-04  Richard Henderson  <rth@redhat.com>
7887
7888         PR tree-opt/19158
7889         * tree-sra.c (generate_one_element_init): Just
7890         call gimplify_and_add.
7891         (generate_element_init): Record the
7892         new referenced variables and mark them for renaming
7893         and split out to ...
7894         (generate_element_init_1): This.
7895         (scalarize_init): Don't call push_gimplify_context/
7896         pop_gimplify_context.
7897
7898 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
7899
7900         * toplev.c (get_src_pwd): Handle failure of getpwd().
7901
7902 2005-01-04  Roger Sayle  <roger@eyesopen.com>
7903
7904         * fold-const.c (fold_single_bit_test): Delete unreachable handling
7905         of TRUTH_NOT_EXPR.
7906         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
7907         all the cases handled by it are inverted by invert_truthvalue.
7908
7909 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
7910
7911         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
7912         (save_register_windowsi): Likewise.
7913
7914 2005-01-04  Richard Henderson  <rth@redhat.com>
7915
7916         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
7917
7918 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
7919
7920         PR middle-end/17767
7921         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
7922         any simplifications of vector mode comparison operators.
7923         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
7924
7925 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
7926             Devang Patel  <dpatel@apple.com>
7927
7928         PR tree-optimization/18308
7929         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
7930         the operands before creating a new expression.
7931         * dojump.c (do_jump): Make drop_through_label available
7932         for all cases.  Add expansion of COND_EXPR.
7933
7934 2005-01-04  Ira Rosen  <irar@il.ibm.com>
7935
7936         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
7937         INTEGER_CST instead of TREE_CONSTANT.
7938         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
7939         instead of TREE_CONSTANT.
7940         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
7941         instead of TREE_CONSTANT.
7942
7943 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
7944
7945         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
7946
7947 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
7948
7949         PR target/19240
7950         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
7951         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
7952
7953 2005-01-03  Richard Henderson  <rth@redhat.com>
7954
7955         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
7956         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
7957         fold_convert_const_real_from_real): Split out from ...
7958         (fold_convert_const): ... here.
7959
7960 2005-01-03  Richard Henderson  <rth@redhat.com>
7961
7962         PR target/19235
7963         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
7964         (mov<MMXMODEI>_internal): Likewise.
7965         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
7966         Add V2SF case; use it for SSE1; don't use TI.
7967         (movdf_integer): Likewise.
7968         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
7969
7970 2005-01-03  Ira Rosen  <irar@il.ibm.com>
7971
7972         * tree-vectorizer.c (vect_strip_conversions): New function.
7973         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
7974         check for binary class.
7975
7976 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
7977
7978         Fix PR debug/17924
7979         Fix PR debug/19191
7980         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
7981         is a decl.
7982         * gimple-low.c (mark_blocks_with_used_vars): New function.
7983         (mark_blocks_with_used_subblocks): Ditto.
7984         (mark_used_blocks): Ditto.
7985         (pass_mark_used_blocks): New pass.
7986         * tree-inline.c: Include debug.h.
7987         (expand_call_inline): Call outlining_inline_function here.
7988         * tree-optimize.c (init_tree_optimization_passes): Add
7989         pass_mark_used_blocks.
7990         * tree-pass.h (pass_mark_used_blocks): New.
7991         * Makefile.in (tree-inline.o): Add debug.h dependency.
7992
7993 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
7994
7995         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
7996         VAR_DECLs to have weak_import attribute.
7997
7998         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
7999         'struct ucontext'.
8000
8001 2004-01-03  Steven Bosscher  <stevenb@suse.de>
8002
8003         * passes.c (rest_of_compilation): Don't run regmove if only
8004         flag_expensive_optimizations, require flag_regmove instead.
8005
8006 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8007
8008         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
8009         register "sparc".
8010         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
8011         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8012         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
8013         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
8014
8015 2005-01-03  Richard Henderson  <rth@redhat.com>
8016
8017         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
8018         (ia64_const_ok_for_letter_p): New.
8019         (ia64_const_double_ok_for_letter_p): New.
8020         (ia64_extra_constraint): New.
8021         (ia64_expand_vecint_compare): New.
8022         (ia64_expand_vcondu_v2si): New.
8023         (ia64_expand_vecint_cmov): New.
8024         (ia64_expand_vecint_minmax): New.
8025         (ia64_print_operand): Add 'v'.
8026         (ia64_preferred_reload_class): New.
8027         (ia64_vector_mode_supported_p): New.
8028         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
8029         (PREFERRED_RELOAD_CLASS): Move to function.
8030         (CONST_OK_FOR_LETTER_P): Move to function.
8031         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
8032         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
8033         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
8034         (EXTRA_CONSTRAINT): Move to function.
8035         * config/ia64/ia64.md: Include vect.md.
8036         (itanium_class): Add mmalua.
8037         (type): Handle it.
8038         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
8039         (1b_mmalua): New.
8040         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
8041         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
8042         CONST0_RTX.
8043         (const_int_2bit_operand): New.
8044         (fr_reg_or_0_operand): New.
8045         * config/ia64/ia64-modes.def: Add vector modes.
8046         * config/ia64/ia64-protos.h: Update.
8047         * config/ia64/vect.md: New file.
8048
8049 2005-01-03  Richard Henderson  <rth@redhat.com>
8050
8051         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
8052
8053 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
8054
8055         PR target/19236
8056         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
8057         to SFmode.
8058         (log1pdf2): Change mode of operands[0,1] to DFmode.
8059
8060 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
8061
8062         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
8063         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
8064         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
8065         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
8066         SPARC_RELAXED_ORDERING.
8067
8068 2005-01-03  Richard Henderson  <rth@redhat.com>
8069             Uros Bizjak  <uros@kss-loka.si>
8070
8071         PR target/14631
8072         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
8073         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
8074         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
8075         handling.
8076         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
8077         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
8078         const_pow2_1_to_128_operand): New predicates.
8079
8080 2005-01-02  Greg McGary  <greg@mcgary.org>
8081
8082         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
8083         anonymous decls.
8084         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
8085         object.  [ptr_type]: Remove unused variable.
8086         Remember nearest addressable array-element or record-component
8087         when checking bitfield components.  Tolerate empty BIND_EXPR.
8088
8089 2005-01-01  Richard Henderson  <rth@redhat.com>
8090
8091         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
8092         that don't narrow the value.  Fail for other conversions.
8093
8094 2005-01-01  Richard Henderson  <rth@redhat.com>
8095
8096         PR c/19031
8097         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
8098         * c-lang.c (finish_file): Don't do it here.
8099         * objc/objc-act.c (objc_finish_file): Likewise.
8100
8101         * cgraph.c (decl_assembler_name_equal): New.
8102         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
8103         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
8104         * cgraph.h (struct cgraph_varpool_node): Add next.
8105         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
8106         * varasm.c (assemble_alias): Mark the target as needed.
8107
8108 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
8109
8110         PR middle-end/19221
8111         * function.c (get_arg_pointer_save_area): Use entry_of_function
8112         instead of get_insns.
8113
8114 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8115             Andrew Pinski  <pinskia@physics.uc.edu>
8116             James E. Wilson  <wilson@specifixinc.com>
8117
8118         PR rtl-optimization/12092
8119         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
8120         is zero.
8121
8122 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8123             Olivier Hainque  <hainque@act-europe.fr>
8124
8125         * tree.c (int_fits_type_p): A narrower type always fits in a
8126         wider one, except for negative values into unsigned types.
8127
8128 2005-01-01  Roger Sayle  <roger@eyesopen.com>
8129
8130         * tree.c (int_fits_type_p): Compare the result of force_fit_type
8131         with the original constant rather than require TREE_OVERFLOW.
8132
8133 2005-01-01  Steven Bosscher  <stevenb@suse.de>
8134
8135         PR middle-end/17544
8136         * c-decl.c (finish_function): If compiling C99, annotate the
8137         compiler generated return with the current file name and line 0.
8138         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
8139         the source line is greater than 0.
8140         (remove_bb): Likewise.
8141
8142 See ChangeLog.12 for earlier changes.