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Oops - forgot to include ChangeLog entry for m32r patch
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1 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
2
3         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
4         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
5         the defaults false if BITS_PER_UNIT != 8.
6         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
7         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
8         than BITS_PER_UNIT != 8.
9         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
10         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
11         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
12         #undefs.
13         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
14         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
15
16 2005-03-20  Roger Sayle  <roger@eyesopen.com>
17
18         PR middle-end/20539
19         * fold-const.c (fold_binary): Fix type mismatch between
20         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
21         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
22         for non-truth-valued expressions.
23
24         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
25         and FUNCTION_DECL in the main switch.
26         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
27         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
28         we also need to convert their operands to match.
29         <TRUTH_NOT_EXPR>: Likewise.
30
31 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
32
33         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
34         diagnostic without checking whether an lvalue.
35         * c-common.h (lvalue_p): Remove.
36         (enum lvalue_use): Update comment.
37         (lvalue_or_else): Replace by lvalue_error.
38         * c-typeck.c (lvalue_p): Make static.
39         (lvalue_or_else): New.  Call lvalue_error.
40
41 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
42
43         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
44         (function_arg_advance): Use rs6000_parm_start.
45         (function_arg, rs6000_arg_partial_bytes): Likewise.
46
47 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
48
49         * c-common.c (check_case_value): Adjust comment about stripping
50         NOPs.
51         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
52         * c-typeck.c (default_conversion, convert_arguments,
53         build_modify_expr, convert_for_assignment, store_init_value,
54         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
55         manually.  Remove inaccurate comments.
56
57 2005-03-20  Roger Sayle  <roger@eyesopen.com>
58             Joseph S. Myers  <joseph@codesourcery.com>
59
60         * varasm.c (do_assemble_alias): Restore comment describing function.
61         Annotate the target parameter as potentially unused.
62
63 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
64
65         PR target/18551
66         * config/avr/avr.c (avr_output_function_prologue): Do not use
67         current_function_name() in a label, use a local label instead.
68
69 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
70
71         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
72         flag_finite_math_only, not flag_unsafe_math_optimizations.
73
74 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
75
76         * builtins.c (fold_builtin_1): Update a call to
77         targetm.fold_builtin.
78         * hooks.c (hook_tree_tree_bool_null): Rename to
79         hook_tree_tree_tree_bool_null.  Take one more argument of type
80         tree.
81         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
82         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
83         hook_tree_tree_tree_bool_null.
84         * target.h (gcc_target): Update the prototype of fold_builtin.
85         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
86         arguments of CALL_EXPR.
87         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
88         new prototype.
89
90 2005-03-20  Jan Hubicka  <jh@suse.cz>
91
92         * cgraph.h (cgraph_node): Add prev_clone pointer.
93         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
94         (cgraph_clone_node): Produce doubly linked chain.
95
96 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
97
98         * c-common.c (handle_aligned_attribute, check_function_sentinel,
99         get_nonnull_operand, handle_sentinel_attribute,
100         check_function_arguments_recurse): Do not strip NOPS from
101         INTEGER_CSTs.
102         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
103         Likewise.
104         * c-format.c (get_constant): Likewise.
105         * c-parser.c (c_parser_postfix_expression): Likewise.
106         * c-typeck.c (set_init_index): Likewise.
107         (convert_arguments): Don't check for NOP_EXPR containing integer
108         constant.
109
110 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
111
112         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
113         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
114         Take decomposed arguments of CALL_EXPR.
115         (fold_builtin_1): Update calls to the functions mentioned
116         above.
117
118 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
119
120         * c-decl.c (check_bitfield_type_and_width): Require bit-field
121         width to have integer type.
122         (build_enumerator): Require enumerator value to have integer type.
123
124 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
125
126         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
127         to __builtin_inff.
128
129 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
130
131         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
132         std=iso9899:199x): Correct descriptions.
133
134 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
135
136         * config.gcc: Consistently use solaris2.1[0-9]* instead of
137         solaris2.1[0-9].
138
139 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
140
141         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
142         of CALL_EXPR.
143         (expand_builtin_memcpy, fold_builtin_1): Update calls to
144         fold_builtin_memcpy.
145
146         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
147         arguments of CALL_EXPR.
148         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
149         fold_builtin_found, fold_builtin_1): Update calls to
150         fold_trunc_transparent_mathfn.
151
152 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
153
154         PR middle-end/20493
155         * fold-const.c (fold_widened_comparison): Don't optimize casts of
156         function pointers on targets that require function pointer
157         canonicalization.
158         (fold_sign_changed_comparison): Likewise.
159
160 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
161
162         * combine.c (try_combine): When changing the mode of a hard reg, make
163         sure that doing so is valid.
164
165 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
166
167         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
168         (TARGET_HANDLE_OPTION): Override default.
169         (avr_handle_option): New function.
170         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
171         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
172         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
173         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
174         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
175         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
176         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
177         (TARGET_OPTIONS): Delete.
178         * config/avr/avr.opt: New file.
179
180 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
181
182         * config/m32r/m32r-protos.h: Remove the prototypes for
183         call_address_operand, symbolic_operand, seth_add3_operand,
184         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
185         reg_or_uint16_operand, reg_or_cmp_int16_operand,
186         two_insn_const_operand, move_src_operand,
187         move_double_src_operand, move_dest_operand,
188         eqne_comparison_operator, signed_comparison_operator,
189         large_insn_p, conditional_move_operand, carry_compare_operand,
190         m32r_block_immediate_operand, extend_operand,
191         reg_or_eq_int16_operand, int8_operand, and
192         reg_or_zero_operand.
193         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
194         seth_add3_operand, int8_operand, cmp_int16_operand,
195         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
196         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
197         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
198         move_double_src_operand, move_dest_operand,
199         eqne_comparison_operator, signed_comparison_operator,
200         extend_operand, small_insn_p, large_insn_p,
201         conditional_move_operand, carry_compare_operand,
202         m32r_block_immediate_operand): Move to predicates.md.
203         (MAX_MOVE_BYTES): Move to m32r.h.
204         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
205         * config/m32r/m32r.md: Include predicates.md.
206         * config/m32r/predicates.md: New.
207
208 2005-03-18  James E Wilson  <wilson@specifixinc.com>
209
210         PR c++/19769
211         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
212         origin.
213
214 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
215
216         * config/mn10300/mn10300-protos.h: Remove the prototypes for
217         call_address_operand, const_8bit_operand.
218         * config/mn10300/mn10300.c (call_address_operand,
219         const_8bit_operand, const_1f_operand): Move to predicates.md.
220         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
221         * config/mn10300/mn10300.md: Include predicates.md.
222         * config/mn10300/predicates.md: New.
223
224 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
225
226         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
227         declarations in diagnostics and %E for identifiers, not %s.
228
229 2005-03-18  Jan Hubicka  <jh@suse.cz>
230             Dale Johannesen  <dalej@apple.com>
231
232         * basic-block.h (scale_bbs_frequencies_int,
233         scale_bbs_frequencies_gcov_type): Declare.
234         * cfg.c (RDIV): New macro.
235         (update_bb_frequency_for_threading): Fix.
236         * basic-block.h (scale_bbs_frequencies_int,
237         scale_bbs_frequencies_gcov_type): New.
238         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
239         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
240         scale_bbs_frequencies_int.
241         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
242
243 >>>>>>> 2.7929
244 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
245
246         * config/m32r/m32r-protos.h: Remove the prototypes for
247         call_address_operand, symbolic_operand, seth_add3_operand,
248         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
249         reg_or_uint16_operand, reg_or_cmp_int16_operand,
250         two_insn_const_operand, move_src_operand,
251         move_double_src_operand, move_dest_operand,
252         eqne_comparison_operator, signed_comparison_operator,
253         large_insn_p, conditional_move_operand, carry_compare_operand,
254         m32r_block_immediate_operand, extend_operand,
255         reg_or_eq_int16_operand, int8_operand, and
256         reg_or_zero_operand.
257         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
258         seth_add3_operand, int8_operand, cmp_int16_operand,
259         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
260         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
261         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
262         move_double_src_operand, move_dest_operand,
263         eqne_comparison_operator, signed_comparison_operator,
264         extend_operand, small_insn_p, large_insn_p,
265         conditional_move_operand, carry_compare_operand,
266         m32r_block_immediate_operand): Move to predicates.md.
267         (MAX_MOVE_BYTES): Move to m32r.h.
268         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
269         * config/m32r/m32r.md: Include predicates.md.
270         * config/m32r/predicates.md: New.
271
272         * config/pa/pa-protos.h: Add prototypes for magic_milli and
273         shadd_constant_p.
274         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
275         symbolic_operand, symbolic_memory_operand,
276         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
277         indexed_memory_operand, move_dest_operand, move_src_operand,
278         prefetch_cc_operand, prefetch_nocc_operand,
279         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
280         arith_operand, arith11_operand, pre_cint_operand,
281         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
282         ireg_operand, int5_operand, uint5_operand, int11_operand,
283         uint32_operand, arith5_operand, and_operand, ior_operand,
284         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
285         pc_or_label_operand, div_operand, plus_xor_ior_operator,
286         shadd_operand, movb_comparison_operator,
287         cmpib_comparison_operator): Move to predicates.md.
288         (magic_milli, shadd_constant_p): Make it extern.
289         * config/pa/pa.h (PREDICATE_CODES): Remove.
290         * config/pa/pa.md: Include predicates.md.
291         * config/pa/predicates.md: New.
292
293         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
294         predicate.
295
296 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
297
298         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
299         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
300         config/alpha/freebsd.h, config/alpha/linux.h,
301         config/alpha/netbsd.h, config/alpha/osf5.h,
302         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
303         config/h8300/h8300-protos.h, config/h8300/h8300.c,
304         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
305         doc/cppopts.texi: Update copyright.
306
307 2005-03-18  Jan Hubicka  <jh@suse.cz>
308
309         PR middle-end/20225
310         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
311         too late.
312         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
313         called too late.
314
315 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
316
317         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
318         VEC_safe_push.
319
320 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
321
322         * combine.c (gen_binary): Remove.
323         (known_cond, simplify_shift_const, find_split_point,
324         combine_simplify_rtx, simplify_if_then_else, simplify_set,
325         simplify_logical, expand_field_assignment, extract_left_shift,
326         force_to_mode, if_then_else_cond, apply_distributive_law,
327         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
328         simplify_comparison, reversed_comparison): Replace with
329         simplify_gen_binary, simplify_gen_relational or
330         distribute_and_simplify_rtx.
331         (distribute_and_simplify_rtx): New function.
332
333 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
334             Paolo Bonzini  <gcc.gnu.org>
335
336         * calls.c (setjmp_call_p, special_function_p): Update comments
337         at the head of the functions.
338
339 2005-03-18  Jan Hubicka  <jh@suse.cz>
340
341         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
342
343         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether 
344         function body should be released; do not proactively release function
345         bodies in non-unit-at-a-time mode.
346
347 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
348
349         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
350         mno-fp-ret-in-387 multilib variants.
351
352 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
353
354         * common.opt (m): Remove.
355         * opts.c (handle_option): Pass 'm' options to set_target_switch if
356         table lookup fails.
357         (common_handle_option): Remove OPT_m case.
358
359 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
360
361         * builtins.c (fold_builtin_bitop): Take decomposed arguments
362         of CALL_EXPR.
363         (fold_builtin_1): Update a call to fold_builtin_bitop.
364
365         * builtins.c (fold_builtin_signbit): Take decomposed arguments
366         of CALL_EXPR.
367         (fold_builtin_1): Update a call to fold_builtin_signbit.
368
369 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
370
371         PR tree-optimization/20474
372         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the 
373         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
374
375 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
376
377         * config/h8300/h8300-protos.h: Remove prototypes for
378         general_operand_src, general_operand_dst, single_one_operand,
379         single_zero_operand, call_insn_operand,
380         two_insn_adds_subs_operand, small_call_insn_operand,
381         jump_address_operand, bit_operand, bit_memory_operand,
382         stack_pointer_operand, const_int_gt_2_operand,
383         const_int_ge_8_operand, const_int_qi_operand,
384         const_int_hi_operand, incdec_operand, bit_operator,
385         nshift_operator, eqne_operator, gtle_operator,
386         gtuleu_operator, iorxor_operator.
387         Add prototypes for h8sx_shift_type h8sx_classify_shift and
388         h8300_ldm_stm_parallel.
389         * config/h8300/h8300.c (h8sx_shift_type,): Move to
390         h8300-protos.h.
391         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
392         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
393         (h8300_ldm_stm_parallel): Make it extern.
394         (h8300_ldm_parallel, h8300_stm_parallel,
395         h8300_return_parallel, general_operand_src,
396         general_operand_dst, h8300_dst_operand, h8300_src_operand,
397         nibble_operand, reg_or_nibble_operand, single_one_operand,
398         single_zero_operand, call_insn_operand,
399         two_insn_adds_subs_operand, small_call_insn_operand,
400         jump_address_operand, bit_operand, bit_memory_operand,
401         stack_pointer_operand, const_int_gt_2_operand,
402         const_int_ge_8_operand, const_int_qi_operand,
403         const_int_hi_operand, incdec_operand, eqne_operator,
404         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
405         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
406         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
407         nshift_operator): Move to predicates.md.
408         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
409         * config/h8300/h8300.md: Include predicates.md.
410         * config/h8300/predicates.md: New.
411
412 2005-03-17  Richard Henderson  <rth@redhat.com>
413
414         * config.gcc (ia64*-*-hpux*): Add extra_options.
415         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
416         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
417         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
418         (ia64_tls_size_string, ia64_tune_string): Remove.
419         (ia64_tune): Init to PROCESSOR_ITANIUM2.
420         (TARGET_DEFAULT_TARGET_FLAGS): New.
421         (TARGET_HANDLE_OPTION): New.
422         (ia64_override_options): Move options parsing ...
423         (ia64_handle_option): ... here.  New.
424         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
425         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32, 
426         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
427         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
428         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
429         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM, 
430         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD, 
431         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
432         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
433         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
434         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
435         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
436         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
437         TARGET_EARLY_STOP_BITS): Remove.
438         (TARGET_ILP32): Default false.
439         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
440         (enum ia64_inline_type): New.
441         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
442         * config/ia64/ia64.md: Update for new definitions of
443         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
444         * config/ia64/ia64.opt: New file.
445         * config/ia64/ilp32.opt: New file.
446
447 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
448
449         PR target/18380
450         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
451
452 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
453
454         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
455         instead of MASK_H8300S.
456         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
457         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
458         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
459         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
460         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
461         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
462         TARGET_SWITCHES): Remove.
463         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
464         TARGET_H8300SX.
465         * config/h8300/h8300.opt: New.
466
467         * config/alpha/alpha.opt, config/arc/arc.opt,
468         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
469         notices.
470
471 2005-03-17  Ian Lance Taylor  <ian@airs.com>
472
473         * gmon.c: Remove.
474
475 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
476
477         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
478         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
479         (TARGET_HANDLE_OPTION): Override default.
480         (arc_handle_option): New function.
481         (arc_init): Remove code to set arch_cpu_string.
482         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
483         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
484         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
485         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
486         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
487         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
488         (arc_rodata_string, TARGET_OPTIONS): Delete.
489         * config/arc/arc.opt: New file.
490
491 2005-03-17  Richard Henderson  <rth@redhat.com>
492
493         * doc/extend.texi (Weak Pragmas): New section.
494         (attribute alias): Clarify that target must be in the same
495         translation unit.
496
497 2005-03-17  Richard Henderson  <rth@redhat.com>
498
499         * config/alpha/alpha.opt: New file.
500         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
501         of alpha_cpu.
502         (alpha_cpu_string, alpha_tune_string, alpha_tp_string, 
503         alpha_fprm_string, alpha_fptm_string): Make static.
504         (alpha_tls_size_string): Remove.
505         (alpha_handle_option): New.
506         (override_options): Update for alpha_cpu/alpha_tune split.
507         (alpha_file_start): Likewise.
508         (TARGET_DEFAULT_TARGET_FLAGS): New.
509         (TARGET_HANDLE_OPTION): New.
510         * config/alpha/alpha.h (alpha_tune): Declare.
511         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS, 
512         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
513         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
514         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
515         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
516         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
517         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
518         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
519         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
520         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
521         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
522         (TARGET_DEFAULT): Remove MASK_FP.
523         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
524         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
525         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
526         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
527         alpha_tls_size_string): Remove.
528         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
529         (attribute tune): Rename from attribute cpu.
530         * config/alpha/ev4.md: Update to match.
531         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
532         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
533         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
534         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
535         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
536         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
537
538 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
539
540         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
541         and return without creating new state if before_nops_num is nonzero.
542         * config/ia64/ia64.md (first_insn): New attribute.
543         (alloc): Set it to yes.
544
545 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
546
547         * tree-vectorizer.c (new_vec_stmt_info): Initialize
548         STMT_VINFO_SUBVARS to NULL.
549         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
550         
551 2005-03-16 Dale Johannesen  <dalej@apple.com>
552
553         * rtlanal.c (find_first_parameter_load):  Rewrite to
554         return actual first param load or the call if none,
555         instead of first in block, when not all loads exist.
556
557 2005-03-16  Roger Sayle  <roger@eyesopen.com>
558
559         * optabs.c (expand_copysign_absneg): Make static.
560         * optabs.h (expand_copysign_absneg): Delete prototype.
561         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
562
563 2005-03-16  Richard Henderson  <rth@redhat.com>
564
565         PR middle-end/15700
566         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
567         (alias_pairs): Rename from output_defs.
568         (find_decl_and_mark_needed): Split out from assemble_alias.
569         (do_assemble_alias): New.
570         (assemble_output_def): Remove.
571         (finish_aliases_1, finish_aliases_2): New.
572         (process_pending_assemble_output_defs): Remove.
573         (assemble_alias): Defer aliases for which we don't yet have a
574         non-external decl for the target symbol.
575         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
576         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
577         * toplev.c (compile_file): Use finish_aliases_2 instead of
578         process_pending_assemble_output_defs.
579         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
580         (process_pending_assemble_output_defs): Remove.
581
582 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
583         
584         Fix PR tree-optimization/20489
585
586         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
587         for empty structures.
588
589 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
590
591         Fix PR tree-optimization/20490
592         
593         * tree-ssa-pre.c (create_expression_by_pieces): Use
594         force_gimple_operand on result of fold.
595
596 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
597
598         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
599         of closing parenthesis.
600
601 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
602
603         * builtins.c (expand_movstr): Update a call to
604         fold_builtin_strcpy.
605         (expand_builtin_strncpy): Update a call to
606         fold_builtin_strncpy.
607         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
608         arguments of CALL_EXPR.
609         (fold_builtin_1): Update calls to fold_builtin_strcpy and
610         fold_builtin_strncpy.
611         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
612         * tree.h: Update the prototypes of fold_builtin_strcpy and
613         fold_builtin_strncpy.
614
615 2005-03-16  Steven Bosscher  <stevenb@suse.de>
616             Dorit Naishlos  <dorit@il.ibm.com>
617
618         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy 
619         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero" 
620         error.
621
622 2005-03-16  Steven Bosscher  <stevenb@suse.de>
623
624         * tree-inline.c (walk_type_fields, walk_tree,
625         walk_tree_without_duplicates): Move from here...
626         * tree.c: ...to here.
627
628 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
629
630         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
631         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
632         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
633         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
634         (version): Define using $(BASEVER_c).
635         (Makefile, config.status, build/gcov-iov.o): No longer depends on
636         version.c.
637         (version.o): Depend on version files; add custom generation command.
638         (prefix.o): Define BASEVER on command line.
639         (s-iov): Depend on version files; adjust command.
640         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
641         Add gcc-vers.texi.
642         (gcc-vers.texi): New rule.
643         (doc/%.info, doc/%.dvi): Add -I . to command line.
644         (doc/gccinstall.dvi): Likewise.
645         (PACKAGE): Delete.  All uses replaced with "gcc".
646         * aclocal.m4: Do not include gcc-version.m4.
647         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
648         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
649         Set is_release based on contents of DEV-PHASE.
650         Set gcc_version based on contents of BASE-VER.
651         Define WIN32_REGISTRY_KEY only if the user overrode the default.
652         * config.in, configure: Regenerate.
653         * gccbug.in: Determine version of GCC in use at runtime.
654         * gcov-iov.c: Get version number and development phase from
655         command line, not by including version.c.
656         * intl.c: Replace all uses of PACKAGE with "gcc".
657         * libada-mk.in: Delete unused "gcc_version" variable.
658         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
659         * version.c: (VERSUFFIX): New hook for redistributors; adjust
660         commentary to match.
661         (version_string): Put together from pieces.
662         * config/alpha/x-vms: Do not use $(gcc_version).
663         * config/i386/t-nwld: Likewise.
664         * doc/include/gcc-common.texi: Include gcc-vers.texi for
665         version-GCC and DEVELOPMENT.
666
667 2005-03-15  Roger Sayle  <roger@eyesopen.com>
668
669         PR tree-optimization/17454
670         * tree.c (tree_size): Add case for TREE_BINFO.
671         * fold-const.c (fold_checksum_tree): Only clear the overloaded
672         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
673
674 2005-03-15  Roger Sayle  <roger@eyesopen.com>
675
676         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
677         op1 whilst expanding the signed widenening multiply variant.
678
679 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
680
681         * toplev.c (display_target_options): Avoid unused variable warning if
682         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
683         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
684         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
685         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
686         (mips_isa_info): New variable.
687         (mips_parse_cpu): Remove the first argument and leave the caller
688         to report errors.
689         (TARGET_HANDLE_OPTION): Override default.
690         (mips_handle_option): New function.  Move option validation code from...
691         (override_options): ...here.  Update calls to mips_parse_cpu.
692         * config/mips/mips.h (mips_arch_string, mips_tune_string)
693         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
694         (SUBTARGET_TARGET_OPTIONS): Delete.
695         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
696         (mno-flush-func, mtune=): New options.
697
698 2005-03-15  Roger Sayle  <roger@eyesopen.com>
699             Richard Henderson  <rth@redhat.com>
700
701         * real.c (c4x_single_format, c4x_extended_format): Provide values
702         for signbit_ro for c4x's single and extended floating point formats.
703         * optabs.c (expand_copysign): Use the floating point format's
704         signbit_ro for expanding via expand_copysign_absneg, and it's
705         signbit_rw field for expanding via expand_copysign_bit.
706
707 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
708
709         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
710         known_alignment_for_access_p.
711         (known_alignment_for_access_p): New.
712         (do_peeling_for_alignment): Field made int instead of bool and renamed
713         to peeling_for_alignment.
714         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
715         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
716         functionality used to be in vect_analyze_operations.
717         (vect_analyze_operations): Code to determine vectorization factor was
718         moved to vect_determine_vectorization_factor.
719         (vect_enhance_data_refs_alignment): Update to correct alignment when it
720         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
721         factor.
722         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
723         be part of vect_analyze_operations).
724         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
725         creating the guard condition, as the number of iterations may be
726         constant.
727         (slpeel_tree_peel_loop_to_edge): Use new name of
728         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
729         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
730         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
731         (vect_do_peeling_for_alignment): Use fold.
732         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
733
734         (vect_update_inits_of_dr): Renamed to
735         vect_update_init_of_dr.
736         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
737         (vectorizable_store): Fix assertion to use == instead of =.
738
739 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
740
741         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
742         call_used_regs for wCG registers.
743
744 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
745
746         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
747         for non-offsettable memory references to cope with outstanding reload
748         replacements, take 2.
749
750 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
751
752         PR target/18668
753         * config/i386/i386.h (x86_fisttp): New.
754         (TARGET_FISTTP): New macro.
755         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
756         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
757         instruction when fisttp flag is set.
758         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
759
760         * config/i386/i386.md (type attribute): Add fisttp.
761         (unit attribute): Set to i387 for fisttp type.
762         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
763         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
764         TARGET_FISTTP.
765         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
766         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
767         macros.
768         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
769         patterns for TARGET_FISTTP.  Enable patterns for
770         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
771         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
772         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
773         implement fisttp x87 insn.
774         (fix_trunc*_i387_fisttp splitters): New patterns.
775         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
776         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
777         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
778         clobber.
779         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
780         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
781         Implement using mode macros. Disable patterns for TARGET_FISTTP.
782         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
783         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
784         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
785         Disable patterns for TARGET_FISTTP.
786         (fix_trunc*_i387 splitters): Implement usign mode macros.
787         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
788         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
789         (fix_trunx*_sse peephole2s): Implement using mode macros.
790
791 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
792
793         PR rtl-optimization/20291
794         * combine.c (try_combine): If splitting fails, re-try with
795         original combined pattern, i.e. before clobber stripping.
796
797 2005-03-14  Eric Christopher  <echristo@redhat.com>
798
799         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
800         STACK_GROWS_DOWNWARD.
801
802 2005-03-14  Roger Sayle  <roger@eyesopen.com>
803
804         * real.h (struct real_format): Split the signbit field into two
805         two fields, signbit_ro and signbit_rw.
806         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
807         mips_double_format, ieee_extended_motorola_format,
808         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
809         ieee_extended_intel_128_format, ibm_extended_format,
810         mips_extended_format, ieee_quad_format, mips_quad_format,
811         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
812         i370_double_format, c4x_single_format, c4x_extended_format,
813         real_internal_format): Update initializers for new field.
814         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
815         real_format structure.
816         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
817         field of the real_format structure.
818
819 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
820
821         Fix PR tree-optimization/20458
822
823         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
824         DECL_EXTERNAL on STRUCT_FIELD tags.
825         (clear_call_clobbered): Ditto.
826         * tree-ssa-operands.c (note_addressable): Make sure the original
827         variable doesn't slip into the addressable list if we have
828         subvars.
829         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
830         tags too.
831
832 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
833
834         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
835         (-fwide-exec-charset): Likewise.
836         (-finput-charset): Likewise.
837         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
838         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
839         * c.opt (Wnormalized): New.
840
841 2005-03-14  Devang Patel  <dpatel@apple.com>
842
843         * doc/invoke.texi: Add reference to Visibility document.
844
845 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
846
847         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
848         MASK_SPLIT_ADDRESSES.
849         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
850         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
851         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
852         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
853         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
854         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
855         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
856         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
857         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
858         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
859         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
860         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
861         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
862         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
863         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
864         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
865         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
866         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
867         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
868         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
869         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
870         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
871         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
872         (TARGET_EXPLICIT_RELOCS): Delete.
873         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
874         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
875         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
876         (override_options): Set MASK_LONG64 if -mint64 is given and no
877         -mlongXX option is.  Complain about -mint64 -mlong32.
878         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
879         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
880         * config/mips/mips.opt: New file.
881
882 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
883
884         * config.gcc (extra_options): New variable for listing option files.
885         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
886         * configure.ac (extra_opt_files): New AC_SUBST variable.
887         (tm_file_list, tm_include_list): Include options.h first.
888         * configure: Regenerate.
889         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
890         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
891         (s-options-h): New rule.
892         (options.h): Depend on it.
893         (TEXI_GCCINT_FILES): Add options.texi.
894         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
895         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
896         * target.h (gcc_target): Add default_target_flags and handle_option.
897         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
898         (TARGET_HANDLE_OPTION): New macros.
899         (TARGET_INITIALIZER): Include them.
900         * opt-functions.awk (opt_args, nth_arg): New functions.
901         (switch_flags): Handle the "Target" flag.
902         (var_args): Delete.
903         (var_name): Use opt_args and nth_arg.
904         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
905         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
906         macros for the "Mask" and "InverseMask" options.
907         * opts.h (cl_var_cond): New enum.
908         (cl_option): Replace the "has_set_value" and "set_value" fields with
909         "var_cond" and "var_value".
910         (CL_TARGET): New macro.
911         (option_enabled, print_filtered_help): Declare.
912         (decode_options): Move definition.
913         * opts.c (handle_option): Search for the original option before
914         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
915         var_cond and var_value fields.  Use targetm.handle_option to handle
916         target options.
917         (decode_options): Set target_flags to targetm.default_target_flags.
918         (print_filtered_help): Make global.  Handle CL_TARGET.
919         (option_enabled): New function.
920         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
921         (display_target_options, set_target_switch, print_switch_values)
922         (default_pch_valid_p): Guard uses of target_switches with
923         #ifdef TARGET_SWITCHES.  Also...
924         (display_target_options): Display the CL_TARGET entries in cl_options.
925         (set_target_option): Don't complain about the "" option when
926         TARGET_SWITCHES is undefined.
927         (print_switch_values): Use option_enabled.
928         (default_pch_valid_p): Check cl_options[] when looking for something
929         that has changed the value of target_flags.
930         * c.opt: Remove documentation from top of file.
931         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
932         * doc/sourecebuild.texi: Refer to the new options documentation
933         instead of c.opt.  Document machine-specific .opt files.
934         * doc/tm.texi (target_flags): Say that this variable is declared
935         by options.h.
936         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
937         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
938         an alternative.
939         * doc/options.texi: New file.
940
941 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
942
943         PR middle-end/18628
944         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
945         register.
946
947 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
948
949         PR c++/20280
950         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
951         temporary variable of pointer type if an lvalues is required.
952         (gimplify_modify_expr_rhs): Request an rvalue from it.
953         (gimplify_expr): Pass fallback on.
954
955 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
956
957         * cfgbuild.c: Update comments.
958
959 2005-03-14  Roger Sayle  <roger@eyesopen.com>
960
961         PR rtl-optimization/17236
962         * optabs.c (expand_doubleword_mult): New helper function split out
963         from expand_binop.  Permute the order in which instructions are
964         emitted to minimize the number of simultaneously live registers.
965         (expand_binop): Call expand_doubleword_mult to synthesize a double
966         word multiplication.
967
968 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
969
970         * basic-block.h: Update the prototypes of cached_make_edge and
971         rtl_make_eh_edge.
972         * cfg.c (cached_make_edge): Take edge_cache representing one
973         row of the adjacency matrix of edges.
974         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
975         (make_edges): Initialize edge_cache to represent one row of
976         the adjacency matrix of edges.
977
978 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
979
980         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
981         New functions.
982         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
983         Remove unused removed_phis variable.
984         (conditional_replacement): Use build1/build2.
985         (abs_replacement): Use last_and_only_stmt and build1/build2.
986
987 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
988
989         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
990         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
991         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
992         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
993         * c-common.c (handle_novops_attribute): New function.
994         (c_common_attribute_table): Add "no vops" entry.
995         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
996         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
997         * tree-ssa-operands.c (get_call_expr_operands): Do not
998         create virtual operands for calls with ECF_NOVOPS flag.
999         * tree.h (DECL_IS_NOVOPS): New macro.
1000         (struct tree_decl): Add novops_flag.
1001         (ECF_NOVOPS): New constant.
1002
1003 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
1004
1005         PR target/17688
1006         * config/i386/i386.c (x86_use_himode_fiop): New.
1007         (x86_use_simode_fiop): Rename from x86_use_fiop.
1008         * config/i386/i386.h (x86_use_himode_fiop): Declare.
1009         (TARGET_USE_HIMODE_FIOP): New.
1010         (x86_use_simode_fiop): Rename from x86_use_fiop.
1011         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
1012
1013         * config/i386/i386.md (X87MODEI12): New mode macro define.
1014         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
1015         to implement x87 FP compare with HImode input operands.
1016         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
1017         Use X87MODEI12 mode macro to handle HImode input operands.
1018         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
1019         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
1020         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
1021         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
1022         macro to implement x87 operators with HImode input operands.
1023         (fop splitters): Use X87MODEI12 mode macro to handle HImode
1024         input operands.
1025
1026 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1027
1028         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
1029         integer_zerop.
1030         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
1031         constants invariant.
1032
1033 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
1034
1035         * basic-block.h (BB_VISITED): Removed.
1036         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
1037
1038 2005-03-14  Falk Hueffner  <falk@debian.org>
1039
1040         PR bootstrap/20424
1041         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
1042
1043 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1044
1045         * ggc-zone.c: Fix comment typos.
1046
1047         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
1048         stringpool.c, config/mips/mips-protos.h: Update copyright.
1049
1050 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1051
1052         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
1053         throughout with its typedef, "rtx".
1054         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
1055         (rs6000_tls_symbol_ref_1): Remove inline keyword.
1056         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
1057         regs in comment to match code.
1058
1059 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
1060
1061         * except.c (check_handled): Make it static.
1062         * except.h: Remove the corresponding prototype.
1063
1064         * function.c (get_func_frame_size): Make it static.
1065         * function.h: Remove the corresponding type.
1066
1067         * regclass.c (reg_class_superclasses, reg_class_subclasses):
1068         Make them static.
1069         * hard-reg-set.h: Remove the corresponding declarations.
1070
1071         * tree-cfg.c (verify_stmts): Check that
1072         bb_for_stmt (stmt) == bb for every PHI node and statement.
1073
1074 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1075
1076         * config.gcc: Remove excess indentation.
1077         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
1078
1079 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1080
1081         PR middle-end/19331
1082         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
1083         * fold-const.c (fold_sign_changed_comparison): Likewise.
1084         (fold_binary): Optimize comparisons against widened operands if
1085         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
1086
1087 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1088
1089         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
1090         (sparc_override_options): Initialize it.
1091         (sparc_struct_value_rtx): Set it on the MEM to be returned.
1092
1093 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
1094
1095         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
1096         (reg_or_none500mem_operand): New predicate.
1097         (zero_reg_mem_operand): New predicate.
1098         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
1099         to reg_or_none500mem_operand.
1100         (extendsfdf2_fpr): Add MEM alternative.
1101         (extenddftf2_internal): Change operand2 predicate to
1102         zero_reg_mem_operand.
1103
1104 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1105
1106         * ggc-zone.c: Rewritten.
1107
1108         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
1109         if there are none.
1110         * configure.ac: Define GGC_ZONE for --with-gc=zone.
1111         * config.in: Regenerated.
1112         * configure: Regenerated.
1113         * gengtype.c (write_types_process_field, write_func_for_structure):
1114         Pass new argument to gt_pch_note_object.
1115         * ggc-common.c (struct ptr_data): Add TYPE.
1116         (gt_pch_note_object): Take TYPE argument and save it.
1117         (call_count): Update call to ggc_pch_count_object.
1118         (call_alloc): Update call to ggc_pch_alloc_object.
1119         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
1120         file.
1121         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
1122         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
1123         (ggc_alloc_zone_stat): Delete.
1124         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
1125         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
1126         (ggc_pch_alloc_object): Update prototypes.
1127         (garbage_zone): Delete.
1128         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
1129         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
1130         pointers.
1131         (tree_id_zone): New variable.
1132         (ggc_alloc_cleared_zone): Remove unused.
1133         (ggc_alloc_zone): Define.
1134         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
1135         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
1136         ggc_alloc_zone_stat.
1137         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
1138         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
1139         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
1140         (make_node_stat): Likewise.  Use tree_id_zone.
1141
1142 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1143             Joseph S. Myers  <joseph@codesourcery.com>
1144
1145         * configure.ac: Check for MIPS TLS.
1146         * configure: Regenerated.
1147         * config/mips/mips-protos.h (enum mips_symbol_type): Add
1148         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
1149         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
1150         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
1151         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
1152         (mips_classify_symbol, mips_symbolic_constant_p)
1153         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
1154         (mips_tls_operand_p, mips_call_tls_get_addr)
1155         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
1156         (mips_tls_symbol_ref_1): New functions.
1157         (mips_legitimize_address, mips_legitimize_const_move): Call
1158         mips_legitimize_tls_address.
1159         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
1160         for MIPS16.
1161         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
1162         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
1163         (mips_char_to_class): Document V1_REG.
1164         (HAVE_AS_TLS): Provide default.
1165         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
1166         constants.
1167         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
1168         !TARGET_ABICALLS.
1169         (tls_get_tp_<mode>): New instruction.
1170
1171 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1172
1173         * configure.ac: Update checks for target tools.
1174         * configure: Regenerated.
1175
1176 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1177
1178         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
1179
1180 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1181
1182         * expmed.c (expand_mult): Use synthetic multiplication sequences for
1183         more classes of DImode multiplication by constant.  Allow both
1184         multiplication by small negative constants (by performing a
1185         multiplication by a positive constant and negating the result) and
1186         multiplications by large powers of two, by using a left shift.
1187
1188 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1189
1190         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
1191         of basic blocks into work_stack.
1192
1193         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
1194         config/mips/vr.h: Update copyright.
1195
1196         * c-decl.c (c_init_decl_processing): Remove useless calls to
1197         build_function_type.
1198
1199         * builtins.c (fold_trunc_transparent_mathfn,
1200         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
1201         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
1202         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
1203         fold_builtin_strcpy, fold_builtin_strncpy,
1204         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
1205         TREE_TYPE (exp).
1206
1207         * builtins.c (expand_builtin_mathfn_3): Remove local variable
1208         before_call.
1209
1210         * lambda-code.c (lambda_compute_auxillary_space): Remove local
1211         variable determinant.
1212
1213         * tree-cfg.c (group_case_labels): Remove local variable type.
1214
1215         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
1216         variable ann.
1217
1218         * tree-ssa-phiopt.c (value_replacement): Remove local variable
1219         result.
1220
1221 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1222
1223         PR target/18251
1224         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
1225         (*movmemqi_insn): Delete.
1226         (*movmemhi): Delete.
1227
1228 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1229
1230         * builtins.c (fold_builtin_classify): Take decomposed
1231         arguments of CALL_EXPR.
1232         (fold_builtin_1): Update a call to fold_builtin_classify.
1233
1234 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
1235
1236         PR c/20402
1237         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
1238         through into call to parser_xref_tag after parse error.
1239         (c_parser_struct_declaration): Consistently return NULL_TREE on
1240         error.
1241
1242 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
1243
1244         * tree-flow-inline.h (ref_contains_array_ref): New function.
1245         (lookup_subvars_for_var): Ditto.
1246         (get_subvars_for_var): Ditto.
1247         (var_can_have_subvars): Ditto.
1248
1249         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
1250         (struct subvar): New type.
1251
1252         * tree-dfa.c (okay_component_ref_for_subvars): New function.
1253
1254         * tree-optimize.c (init_tree_optimization_passes): Call
1255         pass_create_structure_vars.
1256
1257         * tree-ssa-alias.c: Include vec.h.
1258         (init_alias_info): Don't auto-clear call clobbered on struct-field
1259         tags.
1260         (compute_flow_insensitive_aliasing): Handle subvars.
1261         (group_aliases): Handle STRUCT_FIELD aliases.
1262         (setup_pointers_and_addressables): Ditto.
1263         Don't mark variables non-addressable if they still have
1264         addressable subvars.
1265         Also mark subvars addressable when the real variable is marked
1266         addressable.
1267         (add_pointed_to_var): Try to prune the pointed-to set by only
1268         pointing to subvars when possible.
1269         Otherwise, make sure we set addresses_needed and pt_vars to
1270         properly include subvars.
1271         (bitpos_of_field): New function.
1272         (push_fields_onto_fieldstack): Ditto.
1273         (get_or_create_used_part_for): Ditto.
1274         (create_overlap_variables_for): Ditto.
1275         (find_used_portions): Ditto.
1276         (create_structure_vars): Ditto.
1277         (pass_create_structure_vars): New structure.
1278
1279         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
1280         (get_expr_operands): Handle subvars.  Also try to turn
1281         COMPONENT_REF accesses into must-defs now that we can accurately
1282         portray it.
1283         (note_addressable): Try to only mark as addressable those subvars
1284         we know a COMPONENT_REF touches.
1285         (overlap_subvar): New function.
1286
1287         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
1288         Handle subvar storing.
1289         (vect_address_analysis): Update caller of vect_object_analysis.
1290
1291         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
1292
1293         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
1294         (STMT_VINFO_SUBVARS): New macro.
1295
1296         * common.opts: add flag_tree_salias.
1297
1298         * opts.c (decode_options): flag_tree_salias defaults to on.
1299
1300         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
1301
1302         * doc/tree-ssa.texi: Document structural alias analysis.
1303
1304 2005-03-12  Steven Bosscher  <stevenb@suse.de>
1305
1306         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
1307         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
1308         * tree-ssa-operands.c (get_expr_operands): Likewise.
1309         (get_expr_operands): Likewise for ERROR_MARK.
1310
1311 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1312
1313         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
1314         var.
1315
1316         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
1317         removed_phis.
1318
1319         * tree-ssa-pre.c (compute_avail): Remove local variable val.
1320         (mark_operand_necessary): Remove local variable ver.
1321
1322         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
1323         variable prefix_len.
1324
1325         * value-prof.c (mod_subtract_transform): Remove local variable
1326         value.
1327
1328         * builtins.c (fold_builtin_exponent): Take decomposed
1329         arguments of CALL_EXPR.
1330         (fold_builtin_1): Update a call to fold_builtin_exponent.
1331
1332         * builtins.c (fold_builtin_logarithm): Take decomposed
1333         arguments of CALL_EXPR.
1334         (fold_builtin_1): Update a call to fold_builtin_logarithm.
1335
1336         * c-decl.c (c_init_decl_processing): Remove local variables
1337         ptr_ftype_void and ptr_ftype_ptr.
1338
1339         * gimplify.c (gimplify_expr): Remove local variables r0 and
1340         r1.
1341
1342         * reg-stack.c (move_for_stack_reg): Remove local variable
1343         push_insn.
1344         (compare_for_stack_reg): Remove local variable flags_user.
1345         (convert_regs_1): Remove local variable deleted.
1346
1347         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
1348         variable new_cond.
1349         (combine_blocks): Remove local variables exits and new_e.
1350
1351         * tree-inline.c (expand_call_inline): Remove local variable
1352         decl.
1353
1354         * tree-ssa-live.c (create_ssa_var_map,
1355         calculate_live_on_entry): Remove local variable snn.
1356
1357 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
1358
1359         * c-lex.c (c_lex_with_flags): Add parameter to call to
1360         cpp_spell_token.
1361
1362 2005-03-11  Per Bothner  <per@bothner.com>
1363
1364         * c-tree.h (struct c_declarator): New id_loc field.
1365         * c-pragma.h (c_lex_with_flags): Take position reference.
1366         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
1367         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
1368         (c_lex): Pass dummy location to c_lex_with_flags.
1369         * c-parser.c (c_lex_one_token): Set c_token's location using
1370         c_lex_with_flags, instead of input_location, which might be "ahead".
1371         (c_parser_direct_declarator): Set declarator's id_loc from
1372         c_token's id_loc.
1373         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
1374         declarator's id_loc, rather than probably-imprecise input_location.
1375         (build_id_declarator): Initialize c_declarator's id_loc field.
1376
1377 2005-03-11  Roger Sayle  <roger@eyesopen.com>
1378
1379         PR middle-end/20419
1380         * builtins.c (expand_builtin_signbit): Force the signbit's word
1381         into an integer register to avoid SUBREGs of floating point modes.
1382
1383 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1384
1385         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
1386         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
1387         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
1388         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
1389
1390 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
1391
1392         PR rtl-optimization/20306
1393         * expr.c (emit_move_complex): Set try_int false if mode is
1394         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
1395         emit_block_move if try_int is true.
1396
1397 2005-03-11  Richard Henderson  <rth@redhat.com>
1398
1399         PR target/20415
1400         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
1401         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
1402         to match.
1403
1404 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
1405
1406         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
1407         (TARGET_FIX_VR4130): New macro.
1408         (TARGET_OPTIONS): Add -mfix-vr4130.
1409         (ISA_HAS_MACCHI): New macro.
1410         (ASM_SPEC): Add -mfix-vr4130.
1411         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
1412         (override_options): Handle mips_fix_vr4130_string.
1413         (mips_avoid_hazards): Clear all_noreorder_p
1414         if we're working around VR4130 errata and the macc alternatives
1415         are not available.
1416         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
1417         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
1418         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
1419         (MULTILIB_DEFAULTS): Remove leading "march=".
1420         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
1421         if no architecture option is given.
1422         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
1423         VR4130 multilibs.
1424         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
1425         * doc/invoke.texi: Document -mfix-vr4130.
1426
1427 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
1428
1429         * config/mips/mips.c (override_options): Only warn about -mint64
1430         deprecation if TARGET_INT64.
1431
1432 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1433
1434         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
1435         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
1436         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
1437         are non-specific regarding the nonnull parameter positions.
1438         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
1439         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
1440         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
1441         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
1442
1443         * builtins.def: Use the non-specific "nonnull" attibute lists.
1444
1445 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
1446
1447         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
1448         single_pred_edge, single_succ, single_pred): Improve comments.
1449
1450 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
1451
1452         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
1453         single_pred_edge, single_succ, single_pred): New inline functions.
1454         * bb-reorder.c (rotate_loop, find_traces_1_round,
1455         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
1456         duplicate_computed_gotos): Use the single_succ/pred functions.
1457         * cfganal.c (forwarder_block_p): Ditto.
1458         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
1459         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1460         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
1461         merge_seq_blocks): Ditto.
1462         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
1463         * cfglayout.c (fixup_reorder_chain): Ditto.
1464         * cfgloop.c (mark_single_exit_loops, update_latch_info,
1465         canonicalize_loop_headers, verify_loop_structure): Ditto.
1466         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
1467         mfb_update_loops, create_preheader, force_single_succ_latches,
1468         create_loop_notes): Ditto.
1469         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
1470         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
1471         commit_one_edge_insertion, purge_dead_edges,
1472         cfg_layout_can_merge_blocks_p): Ditto.
1473         * except.c (sjlj_emit_function_enter): Ditto.
1474         * flow.c (init_propagate_block_info): Ditto.
1475         * function.c (thread_prologue_and_epilogue_insns): Ditto.
1476         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
1477         insert_insn_end_bb): Ditto.
1478         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
1479         find_if_case_2): Ditto.
1480         * lambda-code.c (perfect_nestify): Ditto.
1481         * lcm.c (optimize_mode_switching): Ditto.
1482         * loop-doloop.c (doloop_modify): Ditto.
1483         * loop-init.c (loop_optimizer_init): Ditto.
1484         * loop-iv.c (simplify_using_initial_values): Ditto.
1485         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
1486         * loop-unswitch.c (unswitch_loop): Ditto.
1487         * modulo-sched.c (generate_prolog_epilog): Ditto.
1488         * predict.c (combine_predictions_for_insn, estimate_probability,
1489         tree_estimate_probability, last_basic_block_p,
1490         estimate_bb_frequencies): Ditto.
1491         * profile.c (branch_prob): Ditto.
1492         * regrename.c (copyprop_hardreg_forward): Ditto.
1493         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
1494         * tracer.c (layout_superblocks): Ditto.
1495         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
1496         cfg_remove_useless_stmts_bb, cleanup_control_flow,
1497         cleanup_control_expr_graph, disband_implicit_edges,
1498         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
1499         tree_verify_flow_info, tree_make_forwarder_block,
1500         tree_forwarder_block_p, remove_forwarder_block,
1501         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
1502         * tree-if-conv.c (tree_if_conversion): Ditto.
1503         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1504         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
1505         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
1506         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
1507         copy_loop_headers): Ditto.
1508         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
1509         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
1510         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
1511         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
1512         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
1513         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
1514         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
1515         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
1516         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
1517         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
1518         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
1519         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
1520         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
1521         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
1522         slpeel_add_loop_guard): Ditto.
1523
1524 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
1525
1526         PR tree-optimization/15784
1527         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1528         and -1 - A to ~A.
1529
1530         * stmt.c (expand_case): Don't change index_type.  Convert minval
1531         to the proper type.
1532
1533         PR tree-optimization/20130
1534         * fold-const.c (fold): Fold x * -1 into -x.
1535
1536 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1537
1538         PR rtl-optimization/20331
1539         * rtlanal.c (modified_between_p): Check its address first for MEM.
1540         (modified_in_p): Likewise.
1541
1542 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
1543
1544         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
1545
1546 2005-03-10  Steven Bosscher  <stevenb@suse.de>
1547
1548         * expr.c (expand_expr_real_1): If possible, use a conditional
1549         move for expanding MIN_EXPR and MAX_EXPR.
1550         Use temp for moving around rtx-en.
1551
1552 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
1553
1554         PR rtl-opt/20412
1555         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
1556         correct mode.
1557
1558 2005-03-10  Roger Sayle  <roger@eyesopen.com>
1559
1560         * builtins.c (expand_builtin_signbit): Extend to handle floating
1561         point modes wider than the largest integer type, using the
1562         operand_subword_force function to obtain the signbit's word.
1563
1564 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
1565
1566         PR target/20322
1567         * combine.c (try_combine): If recog_for_combine added CLOBBERs
1568         to NEWI2PAT, fail to combine if they are used by NEWPAT.
1569
1570 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
1571
1572         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
1573
1574 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
1575
1576         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
1577         type void.
1578         (perform_edge_inserts): Unconditionally call
1579         free_dominator_info.
1580
1581         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
1582
1583 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
1584
1585         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
1586
1587 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
1588
1589         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
1590
1591         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
1592         gcc_unreachable.
1593         (rtl_register_value_prof_hooks,
1594         tree_value_profile_transformations,
1595         tree_register_value_prof_hooks): Likewise.
1596         * var-tracking.c (stack_adjust_offset_pre_post,
1597         variable_htab_free, variable_union, dataflow_set_different_2,
1598         count_uses, variable_was_changed, set_frame_base_location,
1599         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
1600         vt_add_function_parameters): Likewise.
1601         * varasm.c (named_section_real, named_section, make_decl_rtl,
1602         asm_emit_uninitialised, assemble_integer, decode_addr_const,
1603         const_hash_1, compare_constant, copy_constant, force_const_mem,
1604         output_constant_pool_2, output_constant_pool_1, output_constant,
1605         output_constructor, make_decl_one_only, decl_tls_model,
1606         default_no_named_section, default_elf_select_section_1,
1607         default_unique_section_1): Likewise.
1608         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
1609         * vmsdbgout.c (addr_const_to_string): Likewise.
1610
1611         PR c++/20375
1612         * function.c (struct assign_parm_data_one): Remove last_named
1613         field.
1614         (assign_parm_find_data_types): Don't determine last_named.
1615         Reorder named_parm determination.
1616         (assign_parms): Only setup varargs on the last non-varadic
1617         parameter.
1618
1619 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
1620
1621         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
1622         sda base address on medium model.
1623
1624 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
1625
1626         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
1627         * cfgloop.c (flow_loop_nodes_find): Export.
1628         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
1629         Declare.
1630         * cfgloopmanip.c (fix_loop_structure): New function.
1631         * predict.c (predict_loops): Clean up the loops information.
1632         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
1633         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
1634         loop structure.
1635         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
1636         (rewrite_into_loop_closed_ssa): Declaration changed.
1637         * tree-loop-linear.c (linear_transform_loops): Add argument to
1638         rewrite_into_loop_closed_ssa call.
1639         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1640         * tree-ssa-loop-im.c (move_computations): Ditto.
1641         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1642         * tree-vectorizer.c (vectorize_loops): Ditto.
1643         * tree-optimize.c: Include cfgloop.h.
1644         (execute_todo): Choose whether to call cleanup_tree_cfg or
1645         cleanup_tree_cfg_loop.
1646         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
1647         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
1648         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
1649         cleanup_tree_cfg_loop call.
1650         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
1651         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
1652         work on part of cfg.
1653
1654 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
1655
1656         PR inline-asm/20314
1657         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
1658         with multiple alternatives.
1659
1660         * stmt.c (parse_output_constraint): Fix a typo.
1661
1662 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
1663
1664         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
1665         assembly directive instead of deprecated "no-generics".
1666
1667 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
1668
1669         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1670         for non-offsettable memory references to cope with outstanding reload
1671         replacements.
1672         * config/s390/s390.md ("reload_outti"): Call find_replacement to
1673         avoid losing outstanding address reloads.
1674         ("reload_outdi", "reload_outdf"): Likewise.
1675
1676 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1677
1678         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
1679         code.  Add more cbrt transformations.
1680
1681 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1682
1683         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
1684
1685 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
1686
1687         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
1688         NULL_TREE when a given tree is not simplified.
1689         (fold): Return the original tree when any of the functions
1690         mentioned above NULL_TREE.
1691
1692         * fold-const.c (fold_unary, fold_binary): Take decomposed
1693         arguments, code, type, op0, and op1 in case of fold_binary.
1694         (fold): Update calls to fold_unary and fold_binary.
1695
1696 2005-03-09  Roger Sayle  <roger@eyesopen.com>
1697
1698         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
1699         a fndecl and an arglist instead of a CALL_EXPR, exp.
1700
1701 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
1702
1703         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
1704
1705         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
1706
1707         * expr.c (expand_assignment): Remove orig_to_rtx.
1708
1709         * fold-const.c (int_const_binop): Remove no_overflow.
1710
1711         * ifcvt.c (noce_emit_move_insn): Remove inmode.
1712
1713         * loop-iv.c (get_biv_step_1): Remove lhs.
1714
1715         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
1716
1717         * real.c (real_nan): Remove neg.
1718
1719         * function.c (thread_prologue_and_epilogue_insns): Remove i
1720         and newinsn.
1721
1722         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
1723         tb.
1724
1725         * tree-eh.c (tree_could_trap_p): Remove idx.
1726
1727         * tree-into-ssa.c (ann): Remove ann.
1728
1729         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
1730
1731         * tree-sra.c (decide_block_copy): Remove inst_count.
1732
1733         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
1734
1735         * tree-ssa-loop-im.c (lhs): Remove.
1736
1737         * cfgbuild.c (state, STATE, SET_STATE,
1738         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
1739         make_edges.
1740         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
1741         (find_basic_blocks): Set the state of each basic block to
1742         BLOCK_NEW.
1743
1744 2005-03-08  Jeff Law  <law@redhat.com>
1745
1746         * tree-cfg.c (cleanup_control_flow): If removal of a computed
1747         goto results in the removal of edges in the CFG, then we need
1748         to recompute dominators.
1749
1750 2005-03-09  Ben Elliston  <bje@au.ibm.com>
1751
1752         * c-common.c (c_do_switch_warnings): Comment fix.
1753
1754 2005-03-08  Julian Brown  <julian@codesourcery.com>
1755
1756         * Patch from 2005-03-08 reverted for causing regressions and
1757         ppc-darwin bootstrap failure.
1758
1759 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
1760
1761         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
1762         Define the real function for ppc-darwin.
1763         * c-typeck.c (convert_arguments): Check for target-specific
1764         invalid argument call to unprototyped function.
1765         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
1766         New Macro.
1767         * target.h (invalid_arg_for_unprototyped_fn): New field
1768         in struct calls.
1769         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
1770         default target hook.
1771         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
1772         Declare.
1773
1774 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1775
1776         * c-typeck.c (constructor_stack, constructor_range_stack,
1777         initializer_stack): Make them static.
1778
1779         * cfg.c (rbi_pool): Make it static.
1780
1781         * gimple-low.c (lower_stmt_body): Make it static.
1782         * tree-flow.h: Remove the corresponding prototype.  Don't
1783         declare lower_data.
1784
1785         * sched-deps.c (cache_size): Make it static.
1786
1787         * stor-layout.c (lang_adjust_rli): Make it static.
1788
1789 2005-03-08  Julian Brown  <julian@codesourcery.com>
1790
1791         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1792         from being used for symbols with vague linkage when
1793         HAVE_GAS_COMDAT_GROUP is true.
1794
1795 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
1796
1797         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
1798         nlabel == JUMP_LABEL (jump).
1799
1800 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1801
1802         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
1803         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
1804         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
1805         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
1806
1807 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
1808
1809         PR c/14411
1810         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
1811         * c-common.c (handle_returns_twice): New function.
1812         (c_common_attribute_table): Declare eturns_twice' attribute.
1813         * doc/extend.texi: Document eturns_twice' attribute.
1814         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
1815         (struct tree_decl): Add returns_twice_flag.
1816
1817 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1818
1819         * tree-ssa-phiopt.c: Fix a comment typo.
1820
1821         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
1822         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
1823         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
1824         copyright.
1825
1826 2005-03-08  Richard Henderson  <rth@redhat.com>
1827
1828         * config/alpha/alpha.c (code_for_builtin): Replace special-case
1829         builtin codes with ctzdi2, clzdi2, popcountdi2.
1830         (struct alpha_builtin_def): Add is_const.
1831         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
1832         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
1833         (alpha_init_builtins): Init them.  Set nothrow and const attributes
1834         on builtins.
1835         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
1836         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
1837         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
1838         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
1839         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
1840         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
1841         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
1842         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
1843         (TARGET_FOLD_BUILTIN): New.
1844         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
1845         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
1846         (ffsdi2): Use ctz.
1847         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
1848
1849 2005-03-08  Ira Rosen  <irar@il.ibm.com>
1850
1851         PR tree-optimization/20122
1852         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
1853         condition of access function instead of base.
1854
1855 2005-03-07  Jeff Law  <law@redhat.com>
1856             Steven Bosscher  <stevenb@suse.de>
1857
1858         * tree-cfg.c (find_taken_edge_computed_goto): New function.
1859         (find_taken_edge): Call find_taken_edge_computed_goto as
1860         appropriate.  Allow any gimple invariant rather than just
1861         INTEGER_CST for VAL.
1862         (cleanup_control_flow): Cleanup a computed goto which has turned
1863         into a simple goto.
1864         (tree_merge_blocks): If block B has any forced labels, move
1865         them to the start of block A.
1866         * tree-ssa-dom.c (thread_across_edge): Allow threading across
1867         computed gotos as well.
1868         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
1869         removal of unnecessary computed gotos too.
1870         (lookup_redirection_data): Fix type of INSERT argument.  Callers
1871         updated.
1872
1873 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1874
1875         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
1876         Remove trailing spaces.
1877
1878         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
1879         unshare_all_trees): Make them static.
1880         * tree-gimple.h: Remove the corresponding prototypes.
1881
1882         * diagnostic.h: Remove unused prototype
1883         debug_output_buffer.
1884         * modulo-sched.c: Remove unused prototype
1885         set_row_column_for_ps.
1886
1887         * tree-ssa-phiopt.c (tree_ssa_phiopt,
1888         replace_phi_edge_with_variable): Remove unused variable i.
1889
1890 2005-03-07  Per Bothner  <per@bothner.com>
1891
1892         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
1893
1894 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
1895
1896         PR tree-opt/17671
1897         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
1898         bbs on the COND_EXPR instead of the PHI_NODEs.
1899         (candidate_bb_for_phi_optimization): Remove.
1900         (replace_phi_with_stmt): Rename to ...
1901         (replace_phi_edge_with_variable): this and change so that we
1902         replace the phi argument instead of removing the PHI.
1903         (conditional_replacement): Change so we deal with PHI with more
1904         than two arguments.
1905         (value_replacement): Likewise.
1906         (abs_replacement): Likewise.
1907
1908 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
1909
1910         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
1911         output_e500_flip_gt_bit.
1912
1913         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
1914         as bit 31.
1915         (rs6000_generate_compare): Fix logic to look at the correct bits.
1916         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
1917         Look at GT bit.
1918         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
1919         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
1920         gen_move_from_CR_gt_bit.
1921
1922         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
1923         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
1924         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
1925
1926         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
1927         (E500_CR_IOR_COMPARE): New constant.
1928
1929 2005-03-08  Earl Chew <earl_chew@agilent.com>
1930             David Billinghurst <David.Billinghurst@riotinto.com>
1931
1932         * config/i386/host-cygwin.c: New file to support precompiled
1933         headers on cygwin
1934         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
1935         * config.host: Use above files for cygwin host.
1936
1937 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
1938
1939         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
1940         ordering ops from earlier change.
1941
1942 2005-03-07  Per Bothner  <per@bothner.com>
1943
1944         Various fixes to allow us to again build if --enable-mapped-location:
1945         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
1946         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
1947         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
1948         local variable loc. Change logic appropriately.
1949         * tree-vect-transform.c (vect_finish_stmt_generation): Use
1950         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
1951         * c-parser.c (c_parser_for_statement): Initialize loc variable.
1952         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
1953         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
1954
1955 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
1956
1957         PR rtl-optimization/19683
1958         * reload1.c (choose_reload_regs): Pass the number of bits, not the
1959         number of bytes, to smallest_int_for_mode.  Fix arguments to
1960         REG_CANNOT_CHANGE_MODE_P.
1961
1962 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1963
1964         * reorg.c (relax_delay_slots): Check that the jump is
1965         conditional before trying to invert it.
1966
1967 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1968
1969         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
1970         Make them static.
1971
1972         * calls (stack_arg_under_construction): Make it static.
1973
1974         * flow.c (regs_live_at_setjmp): Make it static.
1975         * flow.h: Remove the corresponding prototype.
1976
1977         * reload1.c (reload_startobj, reload_firstobj,
1978         something_needs_operands_changed, reload_inherited,
1979         reload_inheritance_insn, reload_override_in,
1980         reload_spill_index): Make them static.
1981
1982         * recog.c (verify_changes): Make it static.
1983         * recog.h: Remove the corresponding prototype.
1984
1985         * cfgbuild.c (find_sub_basic_blocks): Remove.
1986         * basic-block.h: Remove the corresponding prototype.
1987         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
1988         in comments.
1989         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
1990
1991         * tree-ssa-operands.c (check_build_stmt): Remove.
1992
1993         * stor-layout.c (set_alignment): Remove.
1994         * tree.h: Remove the corresponding prototype.
1995
1996         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
1997
1998         * tree-ssa-dce.c (control_dependence_map,
1999         visited_control_parents): Make them static.
2000
2001         * cfghooks.c (verify_flow_info): Remove local variable
2002         num_bb_notes.
2003
2004         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
2005         last_bb_seen.
2006
2007         * loop-unswitch.c (unswitch_loop): Remove local variable src.
2008
2009 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
2010
2011         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
2012
2013 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
2014
2015         * config/ia64/hpux.h (LINK_SPEC): Add -z.
2016         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
2017         PARALLEL for an empty structure.
2018
2019 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
2020
2021         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
2022
2023         * fold-const.c (fold_binary): Unroll the very first "for"
2024         loop.
2025
2026 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
2027
2028         * config/rs6000/predicates.md (branch_comparison_operator): Remove
2029         redundant match_code test.
2030         (scc_comparison_operator): Swap match_operand and match_code
2031         tests.
2032         (branch_positive_comparison_operator): Same.
2033         (trap_comparison_operator): Use comparison_operator and swap with
2034         match_code test.
2035
2036 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
2037
2038         PR target/20288
2039         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
2040         (out_movhi_r_mr): Read low byte of volatile MEM first.
2041         (out_movhi_mr_r): Write high byte of volatile MEM first.
2042
2043 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2044
2045         * cselib.c (reg_values, reg_values_size): Make them static.
2046
2047         * cse.c (cse_reg_info_table): Make it static.
2048
2049         * fold-const.c (fold_unary): Use build1 instead of copy_node.
2050
2051 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
2052
2053         * cse.c (find_best_addr): Use canon_for_address.
2054
2055 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2056
2057         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
2058         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
2059         SUBREG and MEM, respectively.
2060
2061         * fold-const.c (fold_binary): Use code instead of t.
2062
2063         * fold-const.c (optimize_minmax_comparison): Take decomposed
2064         arguments code, type, op0, and op1 instead of t.
2065         (fold_binary): Update a call to optimize_minmax_comparison.
2066
2067         * fold-const.c (fold_range_test): Take decomposed arguments
2068         code, type, op0, and op1 instead of t.
2069         (fold_binary): Update a call to fold_range_test.
2070
2071         * fold-const.c (fold_binary_op_with_conditional_arg): Take
2072         decomposed arguments code, type, op0, and op1 instead of t.
2073         (fold_binary): Update a call to fold_range_test.
2074
2075 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2076
2077         * fold-const.c (fold_binary): Avoid directly using the original
2078         expression t as much as possible.
2079
2080 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2081
2082         * c-semantics.c (build_stmt): Use TYPE_P instead of
2083         IS_NON_TYPE_CODE_CLASS.
2084         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
2085         (NON_TYPE_CHECK): Use TYPE_P instead of
2086         IS_NON_TYPE_CODE_CLASS.
2087
2088         * fold-const.c (fold): Remove handling of binary expressions.
2089
2090 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
2091
2092         * doc/c-tree.texi: Wrap comments in @r{}.
2093         * doc/cpp.texi: Likewise.
2094         * doc/cppinternals.texi: Likewise.
2095         * doc/extend.texi: Likewise.
2096         * doc/md.texi: Likewise.
2097         * doc/objc.texi: Likewise.
2098         * doc/sourcebuild.texi: Likewise.
2099         * doc/tm.texi: Likewise.
2100         * doc/tree-ssa.texi
2101
2102 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2103
2104         * predict.c (apply_return_prediction): Standardize PHI chain
2105         walking.
2106         * tree-ssa.c (ssa_redirect_edge): Likewise.
2107
2108         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
2109         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
2110         Update copyright.
2111
2112         * tree-phinodes.c (remove_phi_node): Drop the last argument.
2113         * tree-flow.h: Adjust the prototype for remove_phi_node.
2114         * lambda-code.c (perfect_nestify): Adjust a call to
2115         remove_phi_node.
2116         * tree-cfg.c
2117         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
2118         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
2119         Likewise.
2120         * tree-ssa-dce.c (remove_dead_phis): Likewise.
2121         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2122         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2123         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
2124
2125         * combine.c (simplify_and_const_int): Use gen_int_mode instead
2126         of GEN_INT (trunc_int_for_mode (...)).
2127         * loop-iv.c (iv_number_of_iterations): Likewise.
2128         * postreload.c (reload_cse_move2add): Likewise.
2129         * simplify-rtx.c (simplify_const_unary_operation,
2130         simplify_const_binary_operation): Likewise.
2131         * stor-layout.c (get_mode_bounds): Likewise.
2132
2133         * fold-const.c (fold_binary): New.
2134         (fold): Call fold_binary on binary expressions.
2135
2136 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
2137
2138         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
2139         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
2140         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
2141         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
2142         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
2143
2144 2005-03-04  Devang Patel  <dpatel@apple.com>
2145
2146         PR tree-optimization/18815
2147         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
2148         loops with zero exit edges.
2149
2150 2005-03-04  Devang Patel  <dpatel@apple.com>
2151
2152         * doc/invoke.texi: Remove reference to webpage that does not exist.
2153
2154 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
2155             Joseph S. Myers  <joseph@codesourcery.com>
2156
2157         PR c++/19797
2158         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
2159         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
2160         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
2161         * pa.c (get_plabel): Change argument to symbol_ref.  Call
2162         maybe_get_identifier instead of get_identifier.
2163         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
2164         (struct deferred_plabel): Replace name field with symbol field.
2165         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
2166         ASM_OUTPUT_EXTERNAL_REAL is defined.
2167         (output_global_address): Use output_addr_const for output of all
2168         symbol_refs.
2169         (output_deferred_plabels): Use symbol_ref instead of name for address
2170         output.
2171         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
2172         ASM_OUTPUT_SYMBOL_REF): New macros.
2173         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
2174         comment.
2175         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
2176         label.
2177
2178 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
2179
2180         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
2181         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
2182
2183 2005-03-04  Jeff Law  <law@redhat.com>
2184
2185         * basic-block.h (rediscover_loops_after_threading): Declare.
2186         * tree-ssa-dom.c: Include cfgloop.h.
2187         (tree_ssa_dominator_optimize): Discover loops and some basic
2188         properties.  Remove forwarder blocks recreated by loop header
2189         canonicalization.  Also mark backedges in the CFG.
2190         * tree-ssa-threadupdate.c: Include cfgloop.h
2191         (rediscover_loops_after_threading): Define.
2192         (struct local_info): New field, JUMP_THREADED.
2193         (prune_undesirable_thread_requests): New function.
2194         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
2195         then record that fact for the callers of redirct_edges.
2196         (thread_block): If BB has incoming backedges, then call
2197         prune_undesirable_thraed_requests.    Note when we are
2198         going to have to rediscover loop information.  Return a
2199         boolean indicating if any jumps were threaded.
2200         (thread_through_all_blocks): Bubble up boolean indicating
2201         if any jumps were threaded.
2202         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
2203         (tree-ssa-threadupdate.o): Similarly.
2204
2205 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2206
2207         * fold-const.c (fold_ternary): Unroll the "for" loop to
2208         extract operands.
2209
2210 2005-03-04  Andrew Haley  <aph@redhat.com>
2211
2212         * unwind-dw2-fde-glibc.c (struct
2213         unw_eh_callback_data.check_cache): New field.
2214         (frame_hdr_cache): New.
2215         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
2216         Cache frame header info.
2217
2218 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
2219
2220         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
2221         (print_c_condition): Declare.
2222         * read-rtl.c (ptr_loc): New structure.
2223         (ptr_locs, ptr_loc_obstack, joined_conditions)
2224         (joined_conditions_obstack): New variables.
2225         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
2226         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
2227         (join_c_conditions, print_c_condition): New functions.
2228         (apply_macro_to_string): Associate the new string with the same
2229         source location as the old one.
2230         (add_condition_to_string): Use join_c_conditions.
2231         (read_string): Use set_rtx_ptr_loc to record a filename and line
2232         number for the string.
2233         (read_rtx): Initialize the new variables above.
2234         * genattrtab.c (write_test_expr, write_attr_value): Use
2235         print_c_condition.
2236         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
2237         comment above the GCC_VERSION check.
2238         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
2239         Inline the definition of MAYBE_EVAL.
2240         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
2241         * genoutput.c (process_template): Likewise.
2242         * genpreds.c (write_predicate_subfunction): Likewise.
2243         (write_predicate_expr): Use print_c_condition.
2244         * genrecog.c (write_cond): Likewise.
2245         * gensupport.c (process_rtx): Use join_c_conditions to join the
2246         conditions of a define_insn_and_split.  Record a source location
2247         for the string after the "&&".
2248         (alter_test_for_insn): Use join_c_conditions.
2249
2250 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
2251
2252         Revert for now:
2253         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2254         PR tree-optimization/15784
2255         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2256         and -1 - A to ~A.
2257
2258 2005-03-04  Ben Elliston  <bje@au.ibm.com>
2259
2260         * gcc.c (option_map): Add --coverage.
2261         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
2262         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
2263         * config/darwin.h: Pass -lgcov for `coverage'.
2264         * doc/invoke.texi (Debugging Options): Document --coverage.
2265
2266 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2267
2268         * gcse.c (bypass_block): Use find_edge wherever possible.
2269
2270 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
2271
2272         Fix PR debug/20253
2273
2274         * c-opts.c (c_common_parse_file): Call start_source_file
2275         and end_source_file at the approriate times.
2276
2277         * dwarf2out.c (dwarf2out_finish): Don't auto-end
2278         the main file, it will be done for us now.
2279
2280 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2281
2282         * fold-const.c (fold_ternary): New.
2283         (fold): Call fold_ternary on ternary expressions.  Remove
2284         handling of ternary expressions.
2285
2286 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2287
2288         PR tree-optimization/15784
2289         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2290         and -1 - A to ~A.
2291
2292 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
2293
2294         * config/rs6000/predicates.md (branch_comparison_operator):
2295         Convert from C block to conditional format.
2296
2297 2005-03-03  Jan Hubicka  <jh@suse.cz>
2298
2299         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
2300         and non-constant public variables.
2301
2302 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
2303
2304         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
2305         with LABEL_EXPR.
2306
2307         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
2308         EDGE_I.
2309
2310         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
2311         calls to release_ssa_name and release_phi_node.
2312
2313         * fold-const.c (fold): Remove handling of unary expressions.
2314
2315         * fold-const.c (fold_unary): Avoid directly using the original
2316         expression t as much as possible.
2317
2318 2005-03-03  Roger Sayle  <roger@eyesopen.com>
2319             Andrew Pinski  <pinskia@physics.uc.edu>
2320
2321         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
2322         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
2323
2324 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
2325
2326         Describe special registers SRP and MOF as allocatable registers.
2327         * config/cris/cris.c (cris_md_asm_clobbers): New function.
2328         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
2329         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
2330         TARGET_HAS_MUL_INSNS.
2331         (cris_print_operand) <case 'd'>: New case.
2332         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
2333         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
2334         define.
2335         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
2336         (REG_ALLOC_ORDER): Update for MOF.
2337         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
2338         SPECIAL_REGS.
2339         (GENERAL_REGS): No longer a define of ALL_REGS.
2340         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
2341         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
2342         Adjust accordingly.
2343         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
2344         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
2345         (SECONDARY_RELOAD_CLASS): Define.
2346         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
2347         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
2348         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
2349         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
2350         (REGISTER_MOVE_COST): Define.
2351         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
2352         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
2353         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
2354         (CRIS_MOF_REGNUM): New define_constants.
2355         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
2356         special registers.
2357         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
2358         New patterns.
2359         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
2360         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
2361         Adjust for MOF being properly described as a register.
2362         (indir_to_reg_split): Name this split.  Conditionalize on the
2363         destination register being a general register.
2364         (movei): Conditionalize on on operands 0 and 1 having the same
2365         register class.
2366
2367 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
2368
2369         PR target/20277
2370         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
2371         -mcpu to override any other explicitly given flags.
2372
2373 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
2374
2375         * recog.c (verify_changes, confirm_change_group): New functions,
2376         broken out of apply_change_group.
2377         (apply_change_group): Use them.
2378         * recog.h (verify_change, confirm_change_group): Declare.
2379         * rtl.h (redirect_jump_2): Declare.
2380         * jump.c (redirect_exp, invert_exp): Delete.
2381         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
2382         (redirect_jump_2): New function, broken out of redirect_jump.
2383         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
2384         (invert_jump): Use invert_jump_1 and redirect_jump_2.
2385         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
2386
2387 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
2388
2389         * varasm.c (named_section): Use xstrdup rather than doing it by
2390         hand.
2391
2392         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
2393
2394 2005-03-02  Devang Patel  <dpatel@apple.com>
2395
2396         Undo PR tree-optimization/18815 fix.
2397
2398 2005-03-02  Devang Patel  <dpatel@apple.com>
2399
2400         PR tree-optimization/18815
2401         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
2402         loops with zero exit edges.
2403
2404 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
2405
2406         * cfg.c (connect_src, connect_dest, disconnect_src,
2407         disconnct_dest): New.
2408         (unchecked_make_edge, remove_edge, redirect_edge_succ,
2409         redirect_edge_pred): Use the new functions.
2410
2411         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
2412         free_dominance_info only when needed.
2413
2414 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
2415
2416         PR target/20276
2417         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
2418         (reg_or_sub_cint64_operand): Same.
2419
2420 2005-03-02  Jeff Law  <law@redhat.com>
2421
2422         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
2423         CFG_ALTERED in the main DOM iteration loop.
2424
2425 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
2426
2427         PR c++/19916
2428         * varasm.c (initializer_constant_valid_p): Allow conversions
2429         between OFFSET_TYPEs.  Tidy.
2430
2431 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
2432
2433         * config/cris/cris.md ("return"): Remove epilogue delay list
2434         sanity check.
2435
2436 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
2437
2438         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
2439         for Thumb.
2440         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
2441
2442 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
2443
2444         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
2445         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
2446         config/m68k/m68k.c, config/mips/mips.h,
2447         config/rs6000/rs6000-protos.h, doc/contrib.texi,
2448         doc/include/gcc-common.texi: Update copyright.
2449
2450         PR middle-end/18029 and PR middle-end/18030
2451         * expr.c (optimize_bitfield_assignment_op): Add a special case
2452         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
2453
2454         * fold-const.c (fold_unary): New.
2455         (fold): Call fold_unary on unary expressions.
2456
2457 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
2458
2459         * cgraph.h (struct cgraph_edge): Add prev_caller and
2460         prev_callee fields.
2461         (cgraph_node_remove_callees): Export.
2462         * cgraph.c (cgraph_create_edge): Initialize prev_caller
2463         and prev_callee.
2464         (cgraph_edge_remove_callee): New function.
2465         (cgraph_edge_remove_caller): Likewise.
2466         (cgraph_remove_edge): Use.
2467         (cgraph_redirect_edge_callee): Likewise.
2468         (cgraph_node_remove_callees): New function.
2469         (cgraph_node_remove_callers): Likewise.
2470         (cgraph_remove_node): Use.
2471         * tree-optimize.c (tree_rest_of_compilation): Use
2472         cgraph_node_remove_callees instead of manual loop.
2473         * cgraphunit.c (cgraph_finalize_function): Likewise.
2474         (cgraph_expand_function): Likewise.
2475         (cgraph_remove_unreachable_nodes): Likewise.
2476
2477 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
2478
2479         PR c/8927
2480         * c-tree.h (undeclared_variable, build_external_ref): Add extra
2481         argument.
2482         * c-decl.c (undeclared_variable): Take location as argument.
2483         * c-typeck.c (build_external_ref): Likewise.
2484         * c-parser.c (c_parser_postfix_expression): Pass location of
2485         identifier to build_external_ref.
2486
2487 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
2488
2489         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
2490         CCEQ mode for branch_positive_comparison_operator test.
2491         * config/rs6000/predicates (branch_comparison_operator): Revert to
2492         define_predicate.
2493         (scc_comparison_operator): Same.
2494         (branch_positive_comparison_operator): Same.
2495
2496 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
2497
2498         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
2499         (cris_delay_slots_for_epilogue): Remove.
2500         (save_last): Move into cris_target_asm_function_epilogue.
2501         (cris_target_asm_function_epilogue): Remove tests for file being
2502         NULL.
2503         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
2504         (cris_delay_slots_for_epilogue): Remove prototypes.
2505         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
2506         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
2507
2508 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
2509
2510         * config/rs6000/predicates.md (branch_comparison_operator): Change
2511         to define_special_predicate.
2512         (scc_comparison_operator): Same.
2513         (branch_positive_comparison_operator): Same.
2514
2515 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
2516
2517         * Makefile.in (tree-ssa-sink.o): New.
2518         (OBJS-common): Add tree-ssa-sink.o.
2519         * common.opt: Add -ftree-sink
2520         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
2521         * timevar.def (TV_TREE_SINK): new timevar.
2522         * tree-flow.h (is_hidden_global_store): Prototype.
2523         * tree-optimize.c (init_tree_optimization_passes): Add
2524         pass_sink_code.
2525         * tree-pass.h (pass_sink_code): New.
2526         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
2527         for non-obvious global store store to is_hidden_global_store, and
2528         call that new function.
2529         * tree-ssa-sink.c: New file.
2530         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
2531         * doc/passes.texi: Document forward store motion.
2532         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
2533         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
2534         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
2535         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
2536
2537 2005-03-01  Per Bothner  <per@bothner.com>
2538
2539         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
2540         and we have a non-zero column-number, add it to the message.
2541         Also factor out the diagnostic_kind_text.
2542
2543 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
2544
2545         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
2546         flow_loop_pre_header_scan, flow_loop_pre_header_find,
2547         flow_loop_scan): Removed.
2548         (flow_loop_dump): Do not dump removed fields.
2549         (flow_loop_free): Do not free removed fields.
2550         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
2551         (loop_exit_edge_p): New function.
2552         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
2553         num_pre_header_edges, entry_edges, num_entries, exit_edges,
2554         num_exits, exits_doms.
2555         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
2556         LOOP_EDGES, LOOP_ALL): Removed.
2557         (flow_loop_scan): Declaration removed.
2558         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
2559         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
2560         flow_loops_find.
2561         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
2562         (if_convert): Call flow_loops_find and flow_loops_free
2563         when calling mark_loop_exit_edges.
2564         * cfgloopanal.c (mark_loop_exit_edges): Moved from
2565         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
2566         free_dominance_info calls.
2567         * loop-init.c (flow_loops_find): Ditto.
2568         * passes.c (rest_of_handle_branch_prob): Ditto.
2569         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
2570         * loop-unroll.c (analyze_insns_in_loop): Do not use
2571         EDGE_LOOP_EXIT.
2572         * predict.c (predict_loops): Do not call flow_loop_scan.
2573         Use get_loop_exit_edges.
2574         (tree_estimate_probability): Do not pass flags to flow_loops_find.
2575         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
2576         Do not use EDGE_LOOP_EXIT.
2577         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
2578         to bb_with_exit_edge_p.
2579         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
2580         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
2581         to bb_with_exit_edge_p.
2582         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
2583         EDGE_LOOP_EXIT.
2584         * tree-loop-linear.c (linear_transform_loops): Do not call
2585         flow_loop_scan.  Use loop->single_exit.
2586         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
2587         (vect_analyze_loop_form): Do not call flow_loop_scan.
2588         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
2589         loop->single_exit.
2590         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
2591         loop->single_exit.
2592         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2593         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2594         slpeel_tree_duplicate_loop_to_edge_cfg,
2595         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2596         Use loop_preheader_edge and loop->single_exit.  Do not call
2597         flow_loop_scan.
2598
2599 2005-03-01  Nick Clifton  <nickc@redhat.com>
2600
2601         * config/arm/arm.c (thumb_find_work_register): Check all of the
2602         argument registers to see if they are free, and a couple of
2603         special cases where the last argument register but can be proved
2604         to be available during the function's prologue.
2605         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
2606         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
2607         thumb_unexpanded_epilogue): Use unsigned long as the type for the
2608         register bit-mask.
2609         (thumb_compute_save_reg_mask): Likewise.  Also use
2610         thumb_find_work_register() to ensure that there is agreement about
2611         which work register is going to be used in the prologue.
2612         (thumb_output_function_prologue): Use unsigned long as the type
2613         for the register bit-mask.  Also delay pushing the link register if
2614         other high registers are going to be pushed.
2615         (thumb_compute_save_reg_mask, emit_multi_reg_push,
2616         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
2617         redundant prototypes.
2618
2619 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
2620
2621         PR target/19819
2622         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
2623         and after reload in REG+REG indexed addresses without REG_POINTER
2624         set in the base and not set in the index.
2625
2626 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2627
2628         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
2629         Don't undefine here.
2630         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
2631         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
2632         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
2633         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
2634         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
2635         Delete.
2636         * config.gcc (sh*-*-linux*): Use config/linux.h.
2637
2638 2005-02-28  Dale Johannesen  <dalej@apple.com>
2639             Stan Shebs  <shebs@apple.com>
2640
2641         Rewrite of 64-bit Darwin structure-by-value pass/return.
2642         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
2643         intoffset, use_stack, named.
2644         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
2645         (rs6000_darwin64_record_arg_advance_flush):  New.
2646         (rs6000_darwin64_record_arg_advance_recurse): New.
2647         (rs6000_darwin64_record_arg_flush):  New.
2648         (rs6000_darwin64_record_arg_recurse):  New.
2649         (rs6000_darwin64_record_arg):  New.
2650         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
2651         (function_arg_boundary):  Handle 128-bit aligned structs.
2652         (function_arg_advance):  Rewrite darwin64 struct handling.
2653         (function_arg):  Call rs6000_darwin64_record_arg.
2654         (function_arg_partial_nregs):  Handle darwin64 structs.
2655         (rs6000_darwin64_function_value):  Remove.
2656         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
2657
2658 2005-02-28  Roger Sayle  <roger@eyesopen.com>
2659
2660         PR tree-optimization/20216
2661         * tree-chrec.c (tree_fold_factorial): Delete.
2662         (tree_fold_binomial): Change argument list to take a return type
2663         and change the type of K to unsigned int.  Rewrite to avoid explicit
2664         evaluation of factorials, and (recursively) calling fold to perform
2665         compile-time arithmetic.  Return NULL on (internal) overflow.
2666         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
2667         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
2668         if any intermediate calculation overflows.
2669         (chrec_apply): Update call to chrec_evaluate.
2670
2671 2005-02-28  James E Wilson  <wilson@specifixinc.com>
2672
2673         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
2674
2675 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
2676
2677         PR c/20245
2678         * c-parser.c (c_parser_compound_statement): Return error_mark_node
2679         instead of NULL_TREE on error.
2680
2681 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
2682
2683         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
2684         (EASY_VECTOR_15_ADD_SELF): Remove.
2685         (num_insns_constant_wide): Not static.
2686         (validate_condition_mode): Not static.
2687         (toc_relative_expr_p): Not static.
2688         (legitimate_indirect_address_p): Not static.
2689         (macho_lo_sum_memory_operand): Not static.
2690         (invalid_e500_subreg): Not static.
2691         (easy_vector_same): Not static.
2692         (easy_vector_splat_const): Not static.
2693         (RS6000_SYMBOL_REF_TLS_P): Remove.
2694         (any_operand): Delete.
2695         (any_parallel_operand): Delete.
2696         (count_register_operand): Delete.
2697         (altivec_register_operand): Delete.
2698         (xer_operand): Delete.
2699         (s8bit_cint_operand): Delete.
2700         (short_cint_operand): Delete.
2701         (u_short_cint_operand): Delete.
2702         (non_short_cint_operand): Delete.
2703         (exact_log2_cint_operand): Delete.
2704         (gpc_reg_operand): Delete.
2705         (cc_reg_operand): Delete.
2706         (cc_reg_not_cr0_operand): Delete.
2707         (reg_or_short_operand): Delete.
2708         (reg_or_neg_short_operand): Delete.
2709         (reg_or_aligned_short_operand): Delete.
2710         (reg_or_u_short_operand): Delete.
2711         (reg_or_cint_operand): Delete.
2712         (reg_or_arith_cint_operand): Delete.
2713         (reg_or_add_cint64_operand): Delete.
2714         (reg_or_sub_cint64_operand): Delete.
2715         (reg_or_logical_cint_operand): Delete.
2716         (got_operand): Delete.
2717         (got_no_const_operand): Delete.
2718         (easy_fp_constant): Delete.
2719         (easy_vector_constant): Delete.
2720         (easy_vector_constant_add_self): Delete.
2721         (zero_constant): Delete.
2722         (zero_fp_constant): Delete.
2723         (volatile_mem_operand): Delete.
2724         (offsettable_mem_operand): Delete.
2725         (mem_or_easy_const_operand): Delete.
2726         (add_operand): Delete.
2727         (non_add_cint_operand): Delete.
2728         (logical_operand): Delete.
2729         (non_logical_cint_operand): Delete.
2730         (mask_operand): Delete.
2731         (mask_operand_wrap): Delete.
2732         (mask64_operand): Delete.
2733         (mask64_2_operand): Delete.
2734         (and64_operand): Delete.
2735         (and64_2_operand): Delete.
2736         (and_operand): Delete.
2737         (reg_or_mem_operand): Delete.
2738         (lwa_operand): Delete.
2739         (symbol_ref_operand): Delete.
2740         (call_operand): Delete.
2741         (current_file_function_operand): Delete.
2742         (input_operand): Delete.
2743         (rs6000_nonimmediate_operand): Delete.
2744         (rs6000_tls_symbol_ref): Delete.
2745         (save_world_operation): Delete.
2746         (restore_world_operation): Delete.
2747         (load_multiple_operation): Delete.
2748         (store_multiple_operation): Delete.
2749         (vrsave_operation): Delete.
2750         (mfcr_operation): Delete.
2751         (mtcrf_operation): Delete.
2752         (lmw_operation): Delete.
2753         (stmw_operation): Delete.
2754         (branch_comparison_operator): Delete.
2755         (branch_positive_comparison_operator): Delete.
2756         (scc_comparison_operator): Delete.
2757         (trap_comparison_operator): Delete.
2758         (boolean_operator): Delete.
2759         (boolean_or_operator): Delete.
2760         (min_max_operator): Delete.
2761         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
2762         (EASY_VECTOR_15): Moved to here.
2763         (EASY_VECTOR_15_ADD_SELF): Move to here.
2764         (PREDICATE_CODES): Delete.
2765         * config/rs6000/rs6000-protos.h: Delete predicate functions.
2766         Declare functions no longer static.
2767         * config/rs6000/predicates.md: New.
2768         * config/rs6000/rs6000.md: Include predicates.md
2769
2770 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
2771
2772         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
2773         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
2774         REG_ALWAYS_RETURN.
2775         * cfgrtl.c (need_fake_edge_p): Likewise.
2776         * combine.c (distribute_notes): Likewise.
2777         * emit-rtl.c (try_split): Likewise.
2778         * recog.c (peephole2_opimize): Likewise.
2779         * reg-notes.def (ALWAYS_RETURN): Remove.
2780         * rtl.h (LCT_ALWAYS_RETURN): Remove.
2781         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
2782         * tree.h (ECF_ALWAYS_RETURN): Remove.
2783
2784 2005-02-28  Roger Sayle  <roger@eyesopen.com>
2785
2786         PR middle-end/19874
2787         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
2788         between different machine modes is never a "useless" conversion.
2789
2790 2005-02-28  Geert Bosch  <bosch@gnat.com>
2791
2792         PR ada/15977
2793         * doc/contrib.texi: List contributors for Ada front end
2794
2795 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
2796
2797         * simplify-rtx.c (simplify_unary_operation_1,
2798         simplify_const_unary_operation): New, extracted from...
2799         (simplify_unary_operation): ... this one.
2800         (simplify_binary_operation_1,
2801         simplify_const_binary_operation): New, extracted from...
2802         (simplify_binary_operation): ... this one.
2803         * rtl.h (simplify_const_unary_operation,
2804         simplify_const_binary_operation): Add prototypes.
2805
2806 2005-02-28  Julian Brown  <julian@codesourcery.com>
2807
2808         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
2809         building libjava and caused PR regression/20228.
2810
2811 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
2812
2813         PR bootstrap/17383
2814         * Makefile.in (host_subdir): New.
2815         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
2816         * configure: Regenerate.
2817
2818 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
2819
2820         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
2821         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
2822         installation directory first.
2823
2824 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
2825
2826         PR target/19065.
2827         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
2828         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
2829         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
2830         * config/cris/cris.md: Tweak comments referring to Q.
2831         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
2832         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
2833         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
2834         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
2835         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
2836         Insert spaces in constraints to align alternatives vertically for
2837         readability.
2838         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
2839         operand 1: "M".
2840
2841 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2842
2843         PR rtl-optimization/17728
2844         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
2845         operand 0 from general_operand to move_dest_operand.
2846
2847 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2848
2849         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
2850         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
2851         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
2852         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
2853
2854 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
2855
2856         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
2857         * configure: Regenerate.
2858         * libada-mk.in: Remove CC; rename
2859         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
2860
2861 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
2862
2863         PR tree-opt/20188
2864         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
2865         for the lhs, also walk over the tree.  Likewise for rhs.
2866
2867 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
2868
2869         * tree-ssa-dom.c (simple_iv_increment_p): New function.
2870         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
2871         Do not propagate value of iv before increment over the increment.
2872
2873 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
2874
2875         * c-parser.c: New file.
2876         * c-parse.in: Remove.
2877         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
2878         Remove.
2879         (c-parser.o): Add dependencies.
2880         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
2881         maintainer-clean, TAGS): Update.
2882         * c-config-lang.in (gtfiles): Update.
2883         * gengtype-lex.l: Don't handle "@@".
2884         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
2885         objc_build_synchronized, objc_begin_try_stmt,
2886         objc_begin_catch_clause, objc_finish_catch_clause,
2887         objc_build_finally_clause, objc_finish_try_stmt): New.
2888         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
2889         type_seen_p.
2890         (c_parse_init): Update comment.
2891         * c-decl.c (c_init_decl_processing): Update comment.
2892         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
2893         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
2894         new c_declspecs members.
2895
2896 2005-02-25  Julian Brown  <julian@codesourcery.com>
2897
2898         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2899         from being used for symbols with vague linkage when
2900         HAVE_GAS_COMDAT_GROUP is true.
2901
2902 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2903
2904         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
2905
2906 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
2907
2908         PR target/19930
2909         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
2910         (LIBGCC2_HAS_DF_MODE): New.
2911         (LIBGCC2_HAS_XF_MODE): New.
2912         (LIBGCC2_HAS_TF_MODE): New.
2913         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2914         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2915         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2916         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2917         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
2918         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
2919         and add _fixtfdi, _fixunstfdi, _floatditf
2920         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
2921         L_fixunstfdi, L_floatditf.
2922         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
2923         (LIBGCC2_HAS_TF_MODE): Define.
2924
2925 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
2926
2927         PR tree-optimization/20204
2928         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
2929         REWRITE_THIS_STMT markers on PHI nodes.
2930         (rewrite_initialize_block): Likewise.
2931
2932 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2933
2934         * version.c (version_string): Update to 4.1.
2935
2936 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
2937
2938         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
2939         Clarify that the alternative way doesn't work in GNU C++.
2940
2941 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
2942
2943         PR tree-optimization/19937
2944         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
2945         to the type of the induction variable.
2946
2947 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2948
2949         PR rtl-optimization/20117
2950         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
2951         the block including noncopyable insn.
2952
2953 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2954
2955         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
2956         calls to find_reg_note.
2957
2958 2005-02-24  Richard Henderson  <rth@redhat.com>
2959
2960         PR tree-opt/20127
2961         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
2962         the type.
2963
2964 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
2965
2966         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
2967         vector types if to use base reg for misaligned non-word ld/std.
2968
2969 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2970
2971         PR target/14619
2972         * config/cris/cris.c (cris_target_asm_function_prologue): Create
2973         dwarf2 label manually and put it after, not before the prologue.
2974
2975 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
2976
2977         PR target/19019
2978         * reload.c (operands_match_p): Only increment register number for
2979         SCALAR_INT_MODE_P modes in multiple hard registers.
2980
2981         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
2982         Fix formatting.
2983
2984 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2985
2986         * ChangeLog.5: Fix log message typo(s).
2987         * ChangeLog.7: Likewise.
2988         * ChangeLog.tree-ssa: Likewise.
2989         * cfgexpand.c: Fix comment typo(s).
2990         * conflict.c: Likewise.
2991         * defaults.h: Likewise.
2992         * dwarf2out.c: Likewise.
2993         * gcse.c: Likewise.
2994         * ggc-page.c: Likewise.
2995         * tree-eh.c: Likewise.
2996         * tree-ssa-dom.c: Likewise.
2997
2998 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
2999
3000         PR target/19019
3001         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
3002         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
3003         if SHARED is defined.
3004
3005         PR target/20196
3006         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
3007         allow splitting only if operands 0 and 3 don't overlap.
3008
3009 2005-02-24  Richard Henderson  <rth@redhat.com>
3010
3011         PR middle-end/19953
3012         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
3013         (fold_builtin_1): Call them.
3014         * fold-const.c (fold_complex_mult_parts): Split out from ...
3015         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
3016         (fold_complex_div_parts, fold_complex_div): New.
3017         (fold): Use them.
3018         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
3019
3020 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3021
3022         * tree-ssa-ccp.c (visit_assignment): Verify that result of
3023         VIEW_CONVERT_EXPR is_gimple_min_invariant.
3024
3025         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
3026         (print_node): Likewise.
3027         Print TYPE_SIZES_GIMPLIFIED.
3028
3029 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
3030
3031         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
3032         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
3033         operands as commutative in constraints.
3034
3035 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
3036
3037         * tree-into-ssa.c: Re-organize internal functions.
3038
3039 2005-02-24  Richard Henderson  <rth@redhat.com>
3040
3041         PR middle-end/18902
3042         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
3043         for c99.
3044         * common.opt (fcx-limited-range): New.
3045         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
3046         * toplev.c (flag_complex_method): Initialize to 1.
3047         (process_options): Set flag_complex_method to 0 if
3048         flag_cx_limited_range.
3049         * doc/invoke.texi (-fcx-limited-range): New.
3050
3051 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
3052
3053         * cse.c (delete_trivially_dead_insns): Speed up by using
3054         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
3055         prev_real_insn.
3056
3057 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
3058
3059         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
3060         functions when -mid-shared-library is being used.
3061
3062 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
3063
3064         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
3065         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
3066         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
3067         * system.h: Poison LINK_LIBGCC_SPECIAL.
3068
3069 2005-02-23  James E Wilson  <wilson@specifixinc.com>
3070
3071         * gengtype.c (note_insn_name): Make 1 element larger.
3072
3073 2005-02-23  Roger Sayle  <roger@eyesopen.com>
3074
3075         PR target/20018
3076         PR rtl-optimization/20097
3077         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3078         BImode SUBREGs of SImode registers which confuse the ia64 backend.
3079
3080 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
3081
3082         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
3083         * t-aix52 (SHLIB_INSTALL): Same.
3084
3085 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
3086
3087         * genpreds.c: Update copyright.
3088
3089 2005-02-23  Michael Beach  <michaelb@ieee.org>
3090
3091         PR target/20159
3092         * config/sparc/t-elf (startup files): Assemble with CPP.
3093
3094 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
3095
3096         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
3097         (write_predicate_expr): Likewise.
3098
3099 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3100
3101         PR tree-optimization/20100
3102         PR tree-optimization/20115
3103         * tree-optimize.c (init_tree_optimization_passes): Remove
3104         pass_maybe_create_global_var.
3105         * tree-pass.h (pass_maybe_create_global_var): Remove.
3106         * tree-ssa-alias.c (aliases_computed_p): Declare.
3107         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
3108         (count_calls_and_maybe_create_global_var): Remove.
3109         (pass_maybe_create_global_var): Remove.
3110         (init_alias_info): Do not declare aliases_computed_p.
3111         (maybe_create_global_var): If the function contains no
3112         call-clobbered variables and a mix of pure/const and regular
3113         function calls, create .GLOBAL_VAR.
3114         Mark all call-clobbered variables for renaming.
3115         (merge_pointed_to_info): Update comment.
3116         (add_pointed_to_var): Likewise.
3117         (is_escape_site): Likewise.
3118         Accept struct alias_info * instead of size_t *.
3119         Update all users.
3120         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
3121         as necessary.
3122         * tree-ssa-operands.c (get_call_expr_operands): If
3123         ALIASES_COMPUTED_P is false, do not add call-clobbering
3124         operands.
3125         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
3126         (delete_tree_ssa): Likewise.
3127
3128 2005-02-22  James E Wilson  <wilson@specifixinc.com>
3129
3130         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
3131         (do_compile): Do call it here.
3132
3133 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3134
3135         PR rtl-optimization/20017.
3136         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
3137         rest_of_handle_cse2, rest_of_handle_gcse): Call
3138         delete_dead_jumptables immediately before calling cleanup_cfg.
3139
3140 2005-02-22  Devang Patel  <dpatel@apple.com>
3141
3142         PR 19952
3143         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
3144         all labels
3145
3146 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
3147
3148         * config/rs6000/aix.h (WINT_TYPE): Define.
3149
3150 2005-02-22  Stan Shebs  <shebs@apple.com>
3151
3152         * config/rs6000/rs6000.c (rs6000_override_options): Default to
3153         natural alignment for 64-bit Darwin.
3154         (rs6000_parse_alignment_option): Warn about uses of -malign-power
3155         on 64-bit Darwin.
3156         * doc/invoke.texi: Document this.
3157
3158 2005-02-22  DJ Delorie  <dj@redhat.com>
3159
3160         * c-common.c (c_common_type_for_mode): Pass the mode's precision
3161         to make_[un]signed_type, not the mode itself.
3162
3163 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3164
3165         * cfg.c (cached_make_edge): Call make_edge if edge cache is
3166         not available.  Use tail calls wherever possible.
3167         (make_edge): Call unchecked_make_edge to create an edge.
3168
3169         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
3170         (coalesce_ssa_name): Don't check for
3171         SSANORM_USE_COALESCE_LIST.
3172         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
3173
3174 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3175
3176         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
3177         (rewrite_into_ssa): ... here.
3178
3179 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
3180
3181         PR tree-optimization/19786
3182         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
3183         tag to another's may-alias bitmap when adding to the other's list.
3184
3185 2005-02-21  DJ Delorie  <dj@redhat.com>
3186
3187         * tree-ssa-loop-ivopts.c (computation_cost): Start register
3188         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
3189         registers in unsupported ways.
3190         * expmed.c (init_expmed): Likewise.
3191
3192 2005-02-21  Stan Cox  <scox@redhat.com>
3193
3194         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
3195
3196 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3197
3198         * tree-cfg.c (fold_cond_expr_cond): New.
3199         (make_edges): Call fold_cond_expr_cond.
3200         (find_taken_edge): Accept nothing but INTEGER_CST.
3201         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
3202         and 1.
3203         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
3204
3205         * flow.c (delete_dead_jumptables): Speed up by scanning insns
3206         that do not belong to any basic block.
3207
3208 2005-02-21  Jeff Law  <law@redhat.com>
3209
3210         * cfganal.c (find_unreachable_blocks): Manually CSE load of
3211         e->dest.
3212
3213 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3214
3215         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
3216         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
3217         Adjust their definitions.
3218         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
3219         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
3220
3221         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
3222         genautomata.c, langhooks.c, langhooks.h, system.h,
3223         config/arm/lib1funcs.asm: Update copyright.
3224
3225 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3226
3227         * dbxout.c (dbxout_function_end): Emit Lscope label always.
3228
3229 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
3230
3231         PR bootstrap/13770
3232         * doc/install.texi: Document --with-gc.
3233
3234 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
3235
3236         * simplify-rtx.c (simplify_unary_operation): Add a missing
3237         "break" statement.
3238
3239 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3240
3241         PR tree-optimization/18663
3242         * tree-ssa-dom.c (extract_range_from_cond): Return 0
3243         if the type has variable bounds.
3244
3245 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
3246
3247         * gcse.c: Remove an obsolete comment.
3248
3249         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
3250
3251 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
3252
3253         * doc/extend.texi (Function Attributes) <Attribute const>: The
3254         attribute "pure" is below this text, not above.
3255
3256 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3257
3258         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
3259         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
3260         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
3261
3262 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
3263
3264         PR 18785
3265         * langhooks.h (struct lang_hooks): Add to_target_charset.
3266         * langhooks.c (lhd_to_target_charset): New function.
3267         * langhooks-def.h: Declare lhd_to_target_charset.
3268         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
3269         (LANG_HOOKS_INITIALIZER): Update.
3270         * c-common.c (c_common_to_target_charset): New function.
3271         * c-common.h: Declare it.
3272         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
3273         c_common_to_target_charset.
3274
3275         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
3276         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
3277         Delete definitions.
3278         * system.h: Poison them.
3279         * doc/tm.texi: Don't discuss them.
3280         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
3281         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
3282         (pp_c_char): Do not attempt to generate letter escapes for
3283         newline, tab, etc.
3284         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
3285         * config/mips/mips.c (mips_output_ascii): Likewise.
3286
3287 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
3288
3289         PR tree-optimization/19951
3290         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
3291         is abnormal.
3292
3293 2005-02-19  Steven Bosscher  <stevenb@suse.de>
3294
3295         PR middle-end/19698
3296         * function.h (struct function): New field `max_loop_depth'.
3297         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
3298         (flow_loops_find): Reset the max loop depth count before finding loops.
3299         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
3300         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
3301         (calculate_global_regs_live): Make sure the loop will terminate
3302         when the initial sets are not empty.
3303
3304 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
3305
3306         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
3307         object inside.
3308         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
3309
3310 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
3311
3312         PR other/19525
3313         * doc/invoke.texi: Remove documentation of %M spec.
3314         * gcc.c: Likewise.
3315         (init_spec): Remove %M suffix from -lgcc_s.
3316         (do_spec_1): Remove 'M' case.
3317         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
3318         to put shared libraries in the multilib directory.  Remove the
3319         shlib_so_soname substitution variable.  Don't add a multilib encoding
3320         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
3321         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
3322         SHLIB_INSTALL as well as SHLIB_LINK.
3323         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
3324         (SHLIB_NAME): Delete.
3325         (SHLIB_DIR): New macro.
3326         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
3327         (SHLIB_INSTALL): Adjust accordingly.
3328         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
3329         * config/t-slibgcc-sld: Likewise.
3330         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
3331         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
3332         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
3333         in $(SHLIB_DIR).
3334         (SHLIBUNWIND_INSTALL): Adjust accordingly.
3335         * config/i386/t-nwld (SHLIB_SONAME): Delete.
3336         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
3337         Use @shlib_base_name@ instead of @shlib_so_name@.
3338         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
3339         and @shlib_base_name@.so in @multilib_dir@.
3340         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
3341         to the install path.
3342         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
3343         (SHLIB_LINK): Remove previous workaround.
3344         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
3345         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
3346         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
3347         the install path.
3348         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
3349         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
3350         (SHLIB_INSTALL): Adjust accordingly.
3351         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
3352         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
3353         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
3354         config/t-slibgcc-elf-ver.
3355
3356 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
3357             Jakub Jelinek  <jakub@redhat.com>
3358
3359         PR tree-optimization/19828
3360         * tree-ssa-loop-im.c: Add a TODO comment.
3361         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
3362         without side-effects.
3363
3364 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
3365
3366         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
3367         call fold_convert.
3368
3369 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
3370
3371         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
3372         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
3373         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
3374         functions.
3375         (ia64_reorg): Delete fixup_errata call.
3376         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
3377         (TARGET_SWITCHES): Delete -mb-step entry.
3378
3379 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
3380
3381         PR c/20043
3382         * c-typeck.c (composite_type): Handle quals in transparent unions.
3383         (type_lists_compatible_p): Likewise.
3384
3385 2005-02-18  Stan Shebs  <shebs@apple.com>
3386
3387         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
3388         expressions in the .literal8 section.
3389
3390 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
3391
3392         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
3393
3394 2005-02-18  Roger Sayle  <roger@eyesopen.com>
3395
3396         * fold-const.c (constant_boolean_node): Always create values of the
3397         specified type, don't bother calling truthvalue_conversion.
3398
3399 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3400
3401         * except.c (output_function_exception_table): Call
3402         assemble_external_libcall (eh_personality_libfunc).
3403
3404 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3405
3406         PR target/19886
3407         * config/ia64/ia64.h (struct machine_function): Add state_num.
3408         * config/ia64/ia64.c (process_epilogue,
3409         process_for_unwind_directive): Use new unwind state numbers each
3410         time rather than state 1.
3411
3412 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
3413
3414         PR target/20054
3415         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
3416         before the "*llgt_didi" pattern.
3417
3418 2005-02-18  Jason Merrill  <jason@redhat.com>
3419
3420         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
3421
3422 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
3423
3424         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
3425         (div0): Use it in place of ARM_FUNC_ALIAS.
3426         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
3427
3428 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
3429
3430         PR middle-end/20030
3431         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
3432         access, the lower bound of the array type if it exists.
3433
3434 2005-02-18&n