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* config/rs6000/rs6000.c (rs6000_parm_start): New function.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
2
3         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
4         (function_arg_advance): Use rs6000_parm_start.
5         (function_arg, rs6000_arg_partial_bytes): Likewise.
6
7 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
8
9         * c-common.c (check_case_value): Adjust comment about stripping
10         NOPs.
11         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
12         * c-typeck.c (default_conversion, convert_arguments,
13         build_modify_expr, convert_for_assignment, store_init_value,
14         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
15         manually.  Remove inaccurate comments.
16
17 2005-03-20  Roger Sayle  <roger@eyesopen.com>
18             Joseph S. Myers  <joseph@codesourcery.com>
19
20         * varasm.c (do_assemble_alias): Restore comment describing function.
21         Annotate the target parameter as potentially unused.
22
23 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
24
25         PR target/18551
26         * config/avr/avr.c (avr_output_function_prologue): Do not use
27         current_function_name() in a label, use a local label instead.
28
29 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
30
31         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
32         flag_finite_math_only, not flag_unsafe_math_optimizations.
33
34 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
35
36         * builtins.c (fold_builtin_1): Update a call to
37         targetm.fold_builtin.
38         * hooks.c (hook_tree_tree_bool_null): Rename to
39         hook_tree_tree_tree_bool_null.  Take one more argument of type
40         tree.
41         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
42         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
43         hook_tree_tree_tree_bool_null.
44         * target.h (gcc_target): Update the prototype of fold_builtin.
45         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
46         arguments of CALL_EXPR.
47         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
48         new prototype.
49
50 2005-03-20  Jan Hubicka  <jh@suse.cz>
51
52         * cgraph.h (cgraph_node): Add prev_clone pointer.
53         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
54         (cgraph_clone_node): Produce doubly linked chain.
55
56 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
57
58         * c-common.c (handle_aligned_attribute, check_function_sentinel,
59         get_nonnull_operand, handle_sentinel_attribute,
60         check_function_arguments_recurse): Do not strip NOPS from
61         INTEGER_CSTs.
62         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
63         Likewise.
64         * c-format.c (get_constant): Likewise.
65         * c-parser.c (c_parser_postfix_expression): Likewise.
66         * c-typeck.c (set_init_index): Likewise.
67         (convert_arguments): Don't check for NOP_EXPR containing integer
68         constant.
69
70 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
71
72         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
73         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
74         Take decomposed arguments of CALL_EXPR.
75         (fold_builtin_1): Update calls to the functions mentioned
76         above.
77
78 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
79
80         * c-decl.c (check_bitfield_type_and_width): Require bit-field
81         width to have integer type.
82         (build_enumerator): Require enumerator value to have integer type.
83
84 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
85
86         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
87         to __builtin_inff.
88
89 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
90
91         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
92         std=iso9899:199x): Correct descriptions.
93
94 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
95
96         * config.gcc: Consistently use solaris2.1[0-9]* instead of
97         solaris2.1[0-9].
98
99 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
100
101         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
102         of CALL_EXPR.
103         (expand_builtin_memcpy, fold_builtin_1): Update calls to
104         fold_builtin_memcpy.
105
106         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
107         arguments of CALL_EXPR.
108         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
109         fold_builtin_found, fold_builtin_1): Update calls to
110         fold_trunc_transparent_mathfn.
111
112 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
113
114         PR middle-end/20493
115         * fold-const.c (fold_widened_comparison): Don't optimize casts of
116         function pointers on targets that require function pointer
117         canonicalization.
118         (fold_sign_changed_comparison): Likewise.
119
120 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
121
122         * combine.c (try_combine): When changing the mode of a hard reg, make
123         sure that doing so is valid.
124
125 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
126
127         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
128         (TARGET_HANDLE_OPTION): Override default.
129         (avr_handle_option): New function.
130         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
131         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
132         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
133         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
134         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
135         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
136         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
137         (TARGET_OPTIONS): Delete.
138         * config/avr/avr.opt: New file.
139
140 2005-03-18  James E Wilson  <wilson@specifixinc.com>
141
142         PR c++/19769
143         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
144         origin.
145
146 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
147
148         * config/mn10300/mn10300-protos.h: Remove the prototypes for
149         call_address_operand, const_8bit_operand.
150         * config/mn10300/mn10300.c (call_address_operand,
151         const_8bit_operand, const_1f_operand): Move to predicates.md.
152         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
153         * config/mn10300/mn10300.md: Include predicates.md.
154         * config/mn10300/predicates.md: New.
155
156 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
157
158         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
159         declarations in diagnostics and %E for identifiers, not %s.
160
161 2005-03-18  Jan Hubicka  <jh@suse.cz>
162             Dale Johannesen  <dalej@apple.com>
163
164         * basic-block.h (scale_bbs_frequencies_int,
165         scale_bbs_frequencies_gcov_type): Declare.
166         * cfg.c (RDIV): New macro.
167         (update_bb_frequency_for_threading): Fix.
168         * basic-block.h (scale_bbs_frequencies_int,
169         scale_bbs_frequencies_gcov_type): New.
170         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
171         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
172         scale_bbs_frequencies_int.
173         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
174
175 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
176
177         * config/m32r/m32r-protos.h: Remove the prototypes for
178         call_address_operand, symbolic_operand, seth_add3_operand,
179         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
180         reg_or_uint16_operand, reg_or_cmp_int16_operand,
181         two_insn_const_operand, move_src_operand,
182         move_double_src_operand, move_dest_operand,
183         eqne_comparison_operator, signed_comparison_operator,
184         large_insn_p, conditional_move_operand, carry_compare_operand,
185         m32r_block_immediate_operand, extend_operand,
186         reg_or_eq_int16_operand, int8_operand, and
187         reg_or_zero_operand.
188         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
189         seth_add3_operand, int8_operand, cmp_int16_operand,
190         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
191         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
192         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
193         move_double_src_operand, move_dest_operand,
194         eqne_comparison_operator, signed_comparison_operator,
195         extend_operand, small_insn_p, large_insn_p,
196         conditional_move_operand, carry_compare_operand,
197         m32r_block_immediate_operand): Move to predicates.md.
198         (MAX_MOVE_BYTES): Move to m32r.h.
199         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
200         * config/m32r/m32r.md: Include predicates.md.
201         * config/m32r/predicates.md: New.
202
203         * config/pa/pa-protos.h: Add prototypes for magic_milli and
204         shadd_constant_p.
205         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
206         symbolic_operand, symbolic_memory_operand,
207         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
208         indexed_memory_operand, move_dest_operand, move_src_operand,
209         prefetch_cc_operand, prefetch_nocc_operand,
210         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
211         arith_operand, arith11_operand, pre_cint_operand,
212         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
213         ireg_operand, int5_operand, uint5_operand, int11_operand,
214         uint32_operand, arith5_operand, and_operand, ior_operand,
215         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
216         pc_or_label_operand, div_operand, plus_xor_ior_operator,
217         shadd_operand, movb_comparison_operator,
218         cmpib_comparison_operator): Move to predicates.md.
219         (magic_milli, shadd_constant_p): Make it extern.
220         * config/pa/pa.h (PREDICATE_CODES): Remove.
221         * config/pa/pa.md: Include predicates.md.
222         * config/pa/predicates.md: New.
223
224         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
225         predicate.
226
227 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
228
229         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
230         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
231         config/alpha/freebsd.h, config/alpha/linux.h,
232         config/alpha/netbsd.h, config/alpha/osf5.h,
233         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
234         config/h8300/h8300-protos.h, config/h8300/h8300.c,
235         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
236         doc/cppopts.texi: Update copyright.
237
238 2005-03-18  Jan Hubicka  <jh@suse.cz>
239
240         PR middle-end/20225
241         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
242         too late.
243         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
244         called too late.
245
246 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
247
248         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
249         VEC_safe_push.
250
251 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
252
253         * combine.c (gen_binary): Remove.
254         (known_cond, simplify_shift_const, find_split_point,
255         combine_simplify_rtx, simplify_if_then_else, simplify_set,
256         simplify_logical, expand_field_assignment, extract_left_shift,
257         force_to_mode, if_then_else_cond, apply_distributive_law,
258         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
259         simplify_comparison, reversed_comparison): Replace with
260         simplify_gen_binary, simplify_gen_relational or
261         distribute_and_simplify_rtx.
262         (distribute_and_simplify_rtx): New function.
263
264 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
265             Paolo Bonzini  <gcc.gnu.org>
266
267         * calls.c (setjmp_call_p, special_function_p): Update comments
268         at the head of the functions.
269
270 2005-03-18  Jan Hubicka  <jh@suse.cz>
271
272         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
273
274         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether 
275         function body should be released; do not proactively release function
276         bodies in non-unit-at-a-time mode.
277
278 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
279
280         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
281         mno-fp-ret-in-387 multilib variants.
282
283 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
284
285         * common.opt (m): Remove.
286         * opts.c (handle_option): Pass 'm' options to set_target_switch if
287         table lookup fails.
288         (common_handle_option): Remove OPT_m case.
289
290 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
291
292         * builtins.c (fold_builtin_bitop): Take decomposed arguments
293         of CALL_EXPR.
294         (fold_builtin_1): Update a call to fold_builtin_bitop.
295
296         * builtins.c (fold_builtin_signbit): Take decomposed arguments
297         of CALL_EXPR.
298         (fold_builtin_1): Update a call to fold_builtin_signbit.
299
300 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
301
302         PR tree-optimization/20474
303         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the 
304         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
305
306 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
307
308         * config/h8300/h8300-protos.h: Remove prototypes for
309         general_operand_src, general_operand_dst, single_one_operand,
310         single_zero_operand, call_insn_operand,
311         two_insn_adds_subs_operand, small_call_insn_operand,
312         jump_address_operand, bit_operand, bit_memory_operand,
313         stack_pointer_operand, const_int_gt_2_operand,
314         const_int_ge_8_operand, const_int_qi_operand,
315         const_int_hi_operand, incdec_operand, bit_operator,
316         nshift_operator, eqne_operator, gtle_operator,
317         gtuleu_operator, iorxor_operator.
318         Add prototypes for h8sx_shift_type h8sx_classify_shift and
319         h8300_ldm_stm_parallel.
320         * config/h8300/h8300.c (h8sx_shift_type,): Move to
321         h8300-protos.h.
322         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
323         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
324         (h8300_ldm_stm_parallel): Make it extern.
325         (h8300_ldm_parallel, h8300_stm_parallel,
326         h8300_return_parallel, general_operand_src,
327         general_operand_dst, h8300_dst_operand, h8300_src_operand,
328         nibble_operand, reg_or_nibble_operand, single_one_operand,
329         single_zero_operand, call_insn_operand,
330         two_insn_adds_subs_operand, small_call_insn_operand,
331         jump_address_operand, bit_operand, bit_memory_operand,
332         stack_pointer_operand, const_int_gt_2_operand,
333         const_int_ge_8_operand, const_int_qi_operand,
334         const_int_hi_operand, incdec_operand, eqne_operator,
335         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
336         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
337         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
338         nshift_operator): Move to predicates.md.
339         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
340         * config/h8300/h8300.md: Include predicates.md.
341         * config/h8300/predicates.md: New.
342
343 2005-03-17  Richard Henderson  <rth@redhat.com>
344
345         * config.gcc (ia64*-*-hpux*): Add extra_options.
346         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
347         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
348         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
349         (ia64_tls_size_string, ia64_tune_string): Remove.
350         (ia64_tune): Init to PROCESSOR_ITANIUM2.
351         (TARGET_DEFAULT_TARGET_FLAGS): New.
352         (TARGET_HANDLE_OPTION): New.
353         (ia64_override_options): Move options parsing ...
354         (ia64_handle_option): ... here.  New.
355         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
356         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32, 
357         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
358         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
359         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
360         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM, 
361         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD, 
362         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
363         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
364         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
365         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
366         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
367         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
368         TARGET_EARLY_STOP_BITS): Remove.
369         (TARGET_ILP32): Default false.
370         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
371         (enum ia64_inline_type): New.
372         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
373         * config/ia64/ia64.md: Update for new definitions of
374         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
375         * config/ia64/ia64.opt: New file.
376         * config/ia64/ilp32.opt: New file.
377
378 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
379
380         PR target/18380
381         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
382
383 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
384
385         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
386         instead of MASK_H8300S.
387         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
388         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
389         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
390         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
391         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
392         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
393         TARGET_SWITCHES): Remove.
394         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
395         TARGET_H8300SX.
396         * config/h8300/h8300.opt: New.
397
398         * config/alpha/alpha.opt, config/arc/arc.opt,
399         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
400         notices.
401
402 2005-03-17  Ian Lance Taylor  <ian@airs.com>
403
404         * gmon.c: Remove.
405
406 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
407
408         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
409         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
410         (TARGET_HANDLE_OPTION): Override default.
411         (arc_handle_option): New function.
412         (arc_init): Remove code to set arch_cpu_string.
413         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
414         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
415         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
416         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
417         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
418         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
419         (arc_rodata_string, TARGET_OPTIONS): Delete.
420         * config/arc/arc.opt: New file.
421
422 2005-03-17  Richard Henderson  <rth@redhat.com>
423
424         * doc/extend.texi (Weak Pragmas): New section.
425         (attribute alias): Clarify that target must be in the same
426         translation unit.
427
428 2005-03-17  Richard Henderson  <rth@redhat.com>
429
430         * config/alpha/alpha.opt: New file.
431         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
432         of alpha_cpu.
433         (alpha_cpu_string, alpha_tune_string, alpha_tp_string, 
434         alpha_fprm_string, alpha_fptm_string): Make static.
435         (alpha_tls_size_string): Remove.
436         (alpha_handle_option): New.
437         (override_options): Update for alpha_cpu/alpha_tune split.
438         (alpha_file_start): Likewise.
439         (TARGET_DEFAULT_TARGET_FLAGS): New.
440         (TARGET_HANDLE_OPTION): New.
441         * config/alpha/alpha.h (alpha_tune): Declare.
442         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS, 
443         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
444         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
445         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
446         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
447         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
448         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
449         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
450         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
451         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
452         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
453         (TARGET_DEFAULT): Remove MASK_FP.
454         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
455         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
456         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
457         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
458         alpha_tls_size_string): Remove.
459         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
460         (attribute tune): Rename from attribute cpu.
461         * config/alpha/ev4.md: Update to match.
462         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
463         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
464         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
465         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
466         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
467         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
468
469 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
470
471         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
472         and return without creating new state if before_nops_num is nonzero.
473         * config/ia64/ia64.md (first_insn): New attribute.
474         (alloc): Set it to yes.
475
476 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
477
478         * tree-vectorizer.c (new_vec_stmt_info): Initialize
479         STMT_VINFO_SUBVARS to NULL.
480         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
481         
482 2005-03-16 Dale Johannesen  <dalej@apple.com>
483
484         * rtlanal.c (find_first_parameter_load):  Rewrite to
485         return actual first param load or the call if none,
486         instead of first in block, when not all loads exist.
487
488 2005-03-16  Roger Sayle  <roger@eyesopen.com>
489
490         * optabs.c (expand_copysign_absneg): Make static.
491         * optabs.h (expand_copysign_absneg): Delete prototype.
492         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
493
494 2005-03-16  Richard Henderson  <rth@redhat.com>
495
496         PR middle-end/15700
497         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
498         (alias_pairs): Rename from output_defs.
499         (find_decl_and_mark_needed): Split out from assemble_alias.
500         (do_assemble_alias): New.
501         (assemble_output_def): Remove.
502         (finish_aliases_1, finish_aliases_2): New.
503         (process_pending_assemble_output_defs): Remove.
504         (assemble_alias): Defer aliases for which we don't yet have a
505         non-external decl for the target symbol.
506         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
507         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
508         * toplev.c (compile_file): Use finish_aliases_2 instead of
509         process_pending_assemble_output_defs.
510         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
511         (process_pending_assemble_output_defs): Remove.
512
513 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
514         
515         Fix PR tree-optimization/20489
516
517         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
518         for empty structures.
519
520 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
521
522         Fix PR tree-optimization/20490
523         
524         * tree-ssa-pre.c (create_expression_by_pieces): Use
525         force_gimple_operand on result of fold.
526
527 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
528
529         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
530         of closing parenthesis.
531
532 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
533
534         * builtins.c (expand_movstr): Update a call to
535         fold_builtin_strcpy.
536         (expand_builtin_strncpy): Update a call to
537         fold_builtin_strncpy.
538         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
539         arguments of CALL_EXPR.
540         (fold_builtin_1): Update calls to fold_builtin_strcpy and
541         fold_builtin_strncpy.
542         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
543         * tree.h: Update the prototypes of fold_builtin_strcpy and
544         fold_builtin_strncpy.
545
546 2005-03-16  Steven Bosscher  <stevenb@suse.de>
547             Dorit Naishlos  <dorit@il.ibm.com>
548
549         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy 
550         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero" 
551         error.
552
553 2005-03-16  Steven Bosscher  <stevenb@suse.de>
554
555         * tree-inline.c (walk_type_fields, walk_tree,
556         walk_tree_without_duplicates): Move from here...
557         * tree.c: ...to here.
558
559 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
560
561         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
562         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
563         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
564         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
565         (version): Define using $(BASEVER_c).
566         (Makefile, config.status, build/gcov-iov.o): No longer depends on
567         version.c.
568         (version.o): Depend on version files; add custom generation command.
569         (prefix.o): Define BASEVER on command line.
570         (s-iov): Depend on version files; adjust command.
571         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
572         Add gcc-vers.texi.
573         (gcc-vers.texi): New rule.
574         (doc/%.info, doc/%.dvi): Add -I . to command line.
575         (doc/gccinstall.dvi): Likewise.
576         (PACKAGE): Delete.  All uses replaced with "gcc".
577         * aclocal.m4: Do not include gcc-version.m4.
578         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
579         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
580         Set is_release based on contents of DEV-PHASE.
581         Set gcc_version based on contents of BASE-VER.
582         Define WIN32_REGISTRY_KEY only if the user overrode the default.
583         * config.in, configure: Regenerate.
584         * gccbug.in: Determine version of GCC in use at runtime.
585         * gcov-iov.c: Get version number and development phase from
586         command line, not by including version.c.
587         * intl.c: Replace all uses of PACKAGE with "gcc".
588         * libada-mk.in: Delete unused "gcc_version" variable.
589         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
590         * version.c: (VERSUFFIX): New hook for redistributors; adjust
591         commentary to match.
592         (version_string): Put together from pieces.
593         * config/alpha/x-vms: Do not use $(gcc_version).
594         * config/i386/t-nwld: Likewise.
595         * doc/include/gcc-common.texi: Include gcc-vers.texi for
596         version-GCC and DEVELOPMENT.
597
598 2005-03-15  Roger Sayle  <roger@eyesopen.com>
599
600         PR tree-optimization/17454
601         * tree.c (tree_size): Add case for TREE_BINFO.
602         * fold-const.c (fold_checksum_tree): Only clear the overloaded
603         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
604
605 2005-03-15  Roger Sayle  <roger@eyesopen.com>
606
607         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
608         op1 whilst expanding the signed widenening multiply variant.
609
610 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
611
612         * toplev.c (display_target_options): Avoid unused variable warning if
613         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
614         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
615         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
616         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
617         (mips_isa_info): New variable.
618         (mips_parse_cpu): Remove the first argument and leave the caller
619         to report errors.
620         (TARGET_HANDLE_OPTION): Override default.
621         (mips_handle_option): New function.  Move option validation code from...
622         (override_options): ...here.  Update calls to mips_parse_cpu.
623         * config/mips/mips.h (mips_arch_string, mips_tune_string)
624         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
625         (SUBTARGET_TARGET_OPTIONS): Delete.
626         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
627         (mno-flush-func, mtune=): New options.
628
629 2005-03-15  Roger Sayle  <roger@eyesopen.com>
630             Richard Henderson  <rth@redhat.com>
631
632         * real.c (c4x_single_format, c4x_extended_format): Provide values
633         for signbit_ro for c4x's single and extended floating point formats.
634         * optabs.c (expand_copysign): Use the floating point format's
635         signbit_ro for expanding via expand_copysign_absneg, and it's
636         signbit_rw field for expanding via expand_copysign_bit.
637
638 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
639
640         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
641         known_alignment_for_access_p.
642         (known_alignment_for_access_p): New.
643         (do_peeling_for_alignment): Field made int instead of bool and renamed
644         to peeling_for_alignment.
645         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
646         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
647         functionality used to be in vect_analyze_operations.
648         (vect_analyze_operations): Code to determine vectorization factor was
649         moved to vect_determine_vectorization_factor.
650         (vect_enhance_data_refs_alignment): Update to correct alignment when it
651         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
652         factor.
653         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
654         be part of vect_analyze_operations).
655         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
656         creating the guard condition, as the number of iterations may be
657         constant.
658         (slpeel_tree_peel_loop_to_edge): Use new name of
659         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
660         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
661         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
662         (vect_do_peeling_for_alignment): Use fold.
663         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
664
665         (vect_update_inits_of_dr): Renamed to
666         vect_update_init_of_dr.
667         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
668         (vectorizable_store): Fix assertion to use == instead of =.
669
670 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
671
672         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
673         call_used_regs for wCG registers.
674
675 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
676
677         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
678         for non-offsettable memory references to cope with outstanding reload
679         replacements, take 2.
680
681 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
682
683         PR target/18668
684         * config/i386/i386.h (x86_fisttp): New.
685         (TARGET_FISTTP): New macro.
686         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
687         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
688         instruction when fisttp flag is set.
689         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
690
691         * config/i386/i386.md (type attribute): Add fisttp.
692         (unit attribute): Set to i387 for fisttp type.
693         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
694         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
695         TARGET_FISTTP.
696         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
697         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
698         macros.
699         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
700         patterns for TARGET_FISTTP.  Enable patterns for
701         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
702         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
703         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
704         implement fisttp x87 insn.
705         (fix_trunc*_i387_fisttp splitters): New patterns.
706         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
707         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
708         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
709         clobber.
710         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
711         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
712         Implement using mode macros. Disable patterns for TARGET_FISTTP.
713         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
714         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
715         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
716         Disable patterns for TARGET_FISTTP.
717         (fix_trunc*_i387 splitters): Implement usign mode macros.
718         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
719         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
720         (fix_trunx*_sse peephole2s): Implement using mode macros.
721
722 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
723
724         PR rtl-optimization/20291
725         * combine.c (try_combine): If splitting fails, re-try with
726         original combined pattern, i.e. before clobber stripping.
727
728 2005-03-14  Eric Christopher  <echristo@redhat.com>
729
730         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
731         STACK_GROWS_DOWNWARD.
732
733 2005-03-14  Roger Sayle  <roger@eyesopen.com>
734
735         * real.h (struct real_format): Split the signbit field into two
736         two fields, signbit_ro and signbit_rw.
737         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
738         mips_double_format, ieee_extended_motorola_format,
739         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
740         ieee_extended_intel_128_format, ibm_extended_format,
741         mips_extended_format, ieee_quad_format, mips_quad_format,
742         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
743         i370_double_format, c4x_single_format, c4x_extended_format,
744         real_internal_format): Update initializers for new field.
745         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
746         real_format structure.
747         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
748         field of the real_format structure.
749
750 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
751
752         Fix PR tree-optimization/20458
753
754         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
755         DECL_EXTERNAL on STRUCT_FIELD tags.
756         (clear_call_clobbered): Ditto.
757         * tree-ssa-operands.c (note_addressable): Make sure the original
758         variable doesn't slip into the addressable list if we have
759         subvars.
760         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
761         tags too.
762
763 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
764
765         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
766         (-fwide-exec-charset): Likewise.
767         (-finput-charset): Likewise.
768         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
769         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
770         * c.opt (Wnormalized): New.
771
772 2005-03-14  Devang Patel  <dpatel@apple.com>
773
774         * doc/invoke.texi: Add reference to Visibility document.
775
776 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
777
778         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
779         MASK_SPLIT_ADDRESSES.
780         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
781         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
782         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
783         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
784         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
785         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
786         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
787         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
788         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
789         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
790         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
791         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
792         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
793         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
794         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
795         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
796         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
797         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
798         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
799         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
800         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
801         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
802         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
803         (TARGET_EXPLICIT_RELOCS): Delete.
804         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
805         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
806         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
807         (override_options): Set MASK_LONG64 if -mint64 is given and no
808         -mlongXX option is.  Complain about -mint64 -mlong32.
809         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
810         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
811         * config/mips/mips.opt: New file.
812
813 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
814
815         * config.gcc (extra_options): New variable for listing option files.
816         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
817         * configure.ac (extra_opt_files): New AC_SUBST variable.
818         (tm_file_list, tm_include_list): Include options.h first.
819         * configure: Regenerate.
820         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
821         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
822         (s-options-h): New rule.
823         (options.h): Depend on it.
824         (TEXI_GCCINT_FILES): Add options.texi.
825         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
826         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
827         * target.h (gcc_target): Add default_target_flags and handle_option.
828         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
829         (TARGET_HANDLE_OPTION): New macros.
830         (TARGET_INITIALIZER): Include them.
831         * opt-functions.awk (opt_args, nth_arg): New functions.
832         (switch_flags): Handle the "Target" flag.
833         (var_args): Delete.
834         (var_name): Use opt_args and nth_arg.
835         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
836         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
837         macros for the "Mask" and "InverseMask" options.
838         * opts.h (cl_var_cond): New enum.
839         (cl_option): Replace the "has_set_value" and "set_value" fields with
840         "var_cond" and "var_value".
841         (CL_TARGET): New macro.
842         (option_enabled, print_filtered_help): Declare.
843         (decode_options): Move definition.
844         * opts.c (handle_option): Search for the original option before
845         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
846         var_cond and var_value fields.  Use targetm.handle_option to handle
847         target options.
848         (decode_options): Set target_flags to targetm.default_target_flags.
849         (print_filtered_help): Make global.  Handle CL_TARGET.
850         (option_enabled): New function.
851         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
852         (display_target_options, set_target_switch, print_switch_values)
853         (default_pch_valid_p): Guard uses of target_switches with
854         #ifdef TARGET_SWITCHES.  Also...
855         (display_target_options): Display the CL_TARGET entries in cl_options.
856         (set_target_option): Don't complain about the "" option when
857         TARGET_SWITCHES is undefined.
858         (print_switch_values): Use option_enabled.
859         (default_pch_valid_p): Check cl_options[] when looking for something
860         that has changed the value of target_flags.
861         * c.opt: Remove documentation from top of file.
862         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
863         * doc/sourecebuild.texi: Refer to the new options documentation
864         instead of c.opt.  Document machine-specific .opt files.
865         * doc/tm.texi (target_flags): Say that this variable is declared
866         by options.h.
867         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
868         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
869         an alternative.
870         * doc/options.texi: New file.
871
872 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
873
874         PR middle-end/18628
875         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
876         register.
877
878 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
879
880         PR c++/20280
881         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
882         temporary variable of pointer type if an lvalues is required.
883         (gimplify_modify_expr_rhs): Request an rvalue from it.
884         (gimplify_expr): Pass fallback on.
885
886 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
887
888         * cfgbuild.c: Update comments.
889
890 2005-03-14  Roger Sayle  <roger@eyesopen.com>
891
892         PR rtl-optimization/17236
893         * optabs.c (expand_doubleword_mult): New helper function split out
894         from expand_binop.  Permute the order in which instructions are
895         emitted to minimize the number of simultaneously live registers.
896         (expand_binop): Call expand_doubleword_mult to synthesize a double
897         word multiplication.
898
899 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
900
901         * basic-block.h: Update the prototypes of cached_make_edge and
902         rtl_make_eh_edge.
903         * cfg.c (cached_make_edge): Take edge_cache representing one
904         row of the adjacency matrix of edges.
905         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
906         (make_edges): Initialize edge_cache to represent one row of
907         the adjacency matrix of edges.
908
909 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
910
911         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
912         New functions.
913         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
914         Remove unused removed_phis variable.
915         (conditional_replacement): Use build1/build2.
916         (abs_replacement): Use last_and_only_stmt and build1/build2.
917
918 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
919
920         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
921         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
922         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
923         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
924         * c-common.c (handle_novops_attribute): New function.
925         (c_common_attribute_table): Add "no vops" entry.
926         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
927         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
928         * tree-ssa-operands.c (get_call_expr_operands): Do not
929         create virtual operands for calls with ECF_NOVOPS flag.
930         * tree.h (DECL_IS_NOVOPS): New macro.
931         (struct tree_decl): Add novops_flag.
932         (ECF_NOVOPS): New constant.
933
934 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
935
936         PR target/17688
937         * config/i386/i386.c (x86_use_himode_fiop): New.
938         (x86_use_simode_fiop): Rename from x86_use_fiop.
939         * config/i386/i386.h (x86_use_himode_fiop): Declare.
940         (TARGET_USE_HIMODE_FIOP): New.
941         (x86_use_simode_fiop): Rename from x86_use_fiop.
942         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
943
944         * config/i386/i386.md (X87MODEI12): New mode macro define.
945         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
946         to implement x87 FP compare with HImode input operands.
947         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
948         Use X87MODEI12 mode macro to handle HImode input operands.
949         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
950         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
951         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
952         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
953         macro to implement x87 operators with HImode input operands.
954         (fop splitters): Use X87MODEI12 mode macro to handle HImode
955         input operands.
956
957 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
958
959         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
960         integer_zerop.
961         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
962         constants invariant.
963
964 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
965
966         * basic-block.h (BB_VISITED): Removed.
967         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
968
969 2005-03-14  Falk Hueffner  <falk@debian.org>
970
971         PR bootstrap/20424
972         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
973
974 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
975
976         * ggc-zone.c: Fix comment typos.
977
978         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
979         stringpool.c, config/mips/mips-protos.h: Update copyright.
980
981 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
982
983         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
984         throughout with its typedef, "rtx".
985         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
986         (rs6000_tls_symbol_ref_1): Remove inline keyword.
987         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
988         regs in comment to match code.
989
990 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
991
992         * except.c (check_handled): Make it static.
993         * except.h: Remove the corresponding prototype.
994
995         * function.c (get_func_frame_size): Make it static.
996         * function.h: Remove the corresponding type.
997
998         * regclass.c (reg_class_superclasses, reg_class_subclasses):
999         Make them static.
1000         * hard-reg-set.h: Remove the corresponding declarations.
1001
1002         * tree-cfg.c (verify_stmts): Check that
1003         bb_for_stmt (stmt) == bb for every PHI node and statement.
1004
1005 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
1006
1007         * config.gcc: Remove excess indentation.
1008         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
1009
1010 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1011
1012         PR middle-end/19331
1013         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
1014         * fold-const.c (fold_sign_changed_comparison): Likewise.
1015         (fold_binary): Optimize comparisons against widened operands if
1016         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
1017
1018 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
1019
1020         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
1021         (sparc_override_options): Initialize it.
1022         (sparc_struct_value_rtx): Set it on the MEM to be returned.
1023
1024 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
1025
1026         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
1027         (reg_or_none500mem_operand): New predicate.
1028         (zero_reg_mem_operand): New predicate.
1029         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
1030         to reg_or_none500mem_operand.
1031         (extendsfdf2_fpr): Add MEM alternative.
1032         (extenddftf2_internal): Change operand2 predicate to
1033         zero_reg_mem_operand.
1034
1035 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1036
1037         * ggc-zone.c: Rewritten.
1038
1039         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
1040         if there are none.
1041         * configure.ac: Define GGC_ZONE for --with-gc=zone.
1042         * config.in: Regenerated.
1043         * configure: Regenerated.
1044         * gengtype.c (write_types_process_field, write_func_for_structure):
1045         Pass new argument to gt_pch_note_object.
1046         * ggc-common.c (struct ptr_data): Add TYPE.
1047         (gt_pch_note_object): Take TYPE argument and save it.
1048         (call_count): Update call to ggc_pch_count_object.
1049         (call_alloc): Update call to ggc_pch_alloc_object.
1050         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
1051         file.
1052         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
1053         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
1054         (ggc_alloc_zone_stat): Delete.
1055         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
1056         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
1057         (ggc_pch_alloc_object): Update prototypes.
1058         (garbage_zone): Delete.
1059         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
1060         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
1061         pointers.
1062         (tree_id_zone): New variable.
1063         (ggc_alloc_cleared_zone): Remove unused.
1064         (ggc_alloc_zone): Define.
1065         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
1066         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
1067         ggc_alloc_zone_stat.
1068         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
1069         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
1070         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
1071         (make_node_stat): Likewise.  Use tree_id_zone.
1072
1073 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1074             Joseph S. Myers  <joseph@codesourcery.com>
1075
1076         * configure.ac: Check for MIPS TLS.
1077         * configure: Regenerated.
1078         * config/mips/mips-protos.h (enum mips_symbol_type): Add
1079         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
1080         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
1081         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
1082         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
1083         (mips_classify_symbol, mips_symbolic_constant_p)
1084         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
1085         (mips_tls_operand_p, mips_call_tls_get_addr)
1086         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
1087         (mips_tls_symbol_ref_1): New functions.
1088         (mips_legitimize_address, mips_legitimize_const_move): Call
1089         mips_legitimize_tls_address.
1090         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
1091         for MIPS16.
1092         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
1093         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
1094         (mips_char_to_class): Document V1_REG.
1095         (HAVE_AS_TLS): Provide default.
1096         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
1097         constants.
1098         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
1099         !TARGET_ABICALLS.
1100         (tls_get_tp_<mode>): New instruction.
1101
1102 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1103
1104         * configure.ac: Update checks for target tools.
1105         * configure: Regenerated.
1106
1107 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1108
1109         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
1110
1111 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1112
1113         * expmed.c (expand_mult): Use synthetic multiplication sequences for
1114         more classes of DImode multiplication by constant.  Allow both
1115         multiplication by small negative constants (by performing a
1116         multiplication by a positive constant and negating the result) and
1117         multiplications by large powers of two, by using a left shift.
1118
1119 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1120
1121         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
1122         of basic blocks into work_stack.
1123
1124         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
1125         config/mips/vr.h: Update copyright.
1126
1127         * c-decl.c (c_init_decl_processing): Remove useless calls to
1128         build_function_type.
1129
1130         * builtins.c (fold_trunc_transparent_mathfn,
1131         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
1132         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
1133         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
1134         fold_builtin_strcpy, fold_builtin_strncpy,
1135         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
1136         TREE_TYPE (exp).
1137
1138         * builtins.c (expand_builtin_mathfn_3): Remove local variable
1139         before_call.
1140
1141         * lambda-code.c (lambda_compute_auxillary_space): Remove local
1142         variable determinant.
1143
1144         * tree-cfg.c (group_case_labels): Remove local variable type.
1145
1146         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
1147         variable ann.
1148
1149         * tree-ssa-phiopt.c (value_replacement): Remove local variable
1150         result.
1151
1152 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1153
1154         PR target/18251
1155         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
1156         (*movmemqi_insn): Delete.
1157         (*movmemhi): Delete.
1158
1159 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1160
1161         * builtins.c (fold_builtin_classify): Take decomposed
1162         arguments of CALL_EXPR.
1163         (fold_builtin_1): Update a call to fold_builtin_classify.
1164
1165 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
1166
1167         PR c/20402
1168         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
1169         through into call to parser_xref_tag after parse error.
1170         (c_parser_struct_declaration): Consistently return NULL_TREE on
1171         error.
1172
1173 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
1174
1175         * tree-flow-inline.h (ref_contains_array_ref): New function.
1176         (lookup_subvars_for_var): Ditto.
1177         (get_subvars_for_var): Ditto.
1178         (var_can_have_subvars): Ditto.
1179
1180         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
1181         (struct subvar): New type.
1182
1183         * tree-dfa.c (okay_component_ref_for_subvars): New function.
1184
1185         * tree-optimize.c (init_tree_optimization_passes): Call
1186         pass_create_structure_vars.
1187
1188         * tree-ssa-alias.c: Include vec.h.
1189         (init_alias_info): Don't auto-clear call clobbered on struct-field
1190         tags.
1191         (compute_flow_insensitive_aliasing): Handle subvars.
1192         (group_aliases): Handle STRUCT_FIELD aliases.
1193         (setup_pointers_and_addressables): Ditto.
1194         Don't mark variables non-addressable if they still have
1195         addressable subvars.
1196         Also mark subvars addressable when the real variable is marked
1197         addressable.
1198         (add_pointed_to_var): Try to prune the pointed-to set by only
1199         pointing to subvars when possible.
1200         Otherwise, make sure we set addresses_needed and pt_vars to
1201         properly include subvars.
1202         (bitpos_of_field): New function.
1203         (push_fields_onto_fieldstack): Ditto.
1204         (get_or_create_used_part_for): Ditto.
1205         (create_overlap_variables_for): Ditto.
1206         (find_used_portions): Ditto.
1207         (create_structure_vars): Ditto.
1208         (pass_create_structure_vars): New structure.
1209
1210         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
1211         (get_expr_operands): Handle subvars.  Also try to turn
1212         COMPONENT_REF accesses into must-defs now that we can accurately
1213         portray it.
1214         (note_addressable): Try to only mark as addressable those subvars
1215         we know a COMPONENT_REF touches.
1216         (overlap_subvar): New function.
1217
1218         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
1219         Handle subvar storing.
1220         (vect_address_analysis): Update caller of vect_object_analysis.
1221
1222         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
1223
1224         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
1225         (STMT_VINFO_SUBVARS): New macro.
1226
1227         * common.opts: add flag_tree_salias.
1228
1229         * opts.c (decode_options): flag_tree_salias defaults to on.
1230
1231         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
1232
1233         * doc/tree-ssa.texi: Document structural alias analysis.
1234
1235 2005-03-12  Steven Bosscher  <stevenb@suse.de>
1236
1237         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
1238         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
1239         * tree-ssa-operands.c (get_expr_operands): Likewise.
1240         (get_expr_operands): Likewise for ERROR_MARK.
1241
1242 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1243
1244         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
1245         var.
1246
1247         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
1248         removed_phis.
1249
1250         * tree-ssa-pre.c (compute_avail): Remove local variable val.
1251         (mark_operand_necessary): Remove local variable ver.
1252
1253         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
1254         variable prefix_len.
1255
1256         * value-prof.c (mod_subtract_transform): Remove local variable
1257         value.
1258
1259         * builtins.c (fold_builtin_exponent): Take decomposed
1260         arguments of CALL_EXPR.
1261         (fold_builtin_1): Update a call to fold_builtin_exponent.
1262
1263         * builtins.c (fold_builtin_logarithm): Take decomposed
1264         arguments of CALL_EXPR.
1265         (fold_builtin_1): Update a call to fold_builtin_logarithm.
1266
1267         * c-decl.c (c_init_decl_processing): Remove local variables
1268         ptr_ftype_void and ptr_ftype_ptr.
1269
1270         * gimplify.c (gimplify_expr): Remove local variables r0 and
1271         r1.
1272
1273         * reg-stack.c (move_for_stack_reg): Remove local variable
1274         push_insn.
1275         (compare_for_stack_reg): Remove local variable flags_user.
1276         (convert_regs_1): Remove local variable deleted.
1277
1278         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
1279         variable new_cond.
1280         (combine_blocks): Remove local variables exits and new_e.
1281
1282         * tree-inline.c (expand_call_inline): Remove local variable
1283         decl.
1284
1285         * tree-ssa-live.c (create_ssa_var_map,
1286         calculate_live_on_entry): Remove local variable snn.
1287
1288 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
1289
1290         * c-lex.c (c_lex_with_flags): Add parameter to call to
1291         cpp_spell_token.
1292
1293 2005-03-11  Per Bothner  <per@bothner.com>
1294
1295         * c-tree.h (struct c_declarator): New id_loc field.
1296         * c-pragma.h (c_lex_with_flags): Take position reference.
1297         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
1298         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
1299         (c_lex): Pass dummy location to c_lex_with_flags.
1300         * c-parser.c (c_lex_one_token): Set c_token's location using
1301         c_lex_with_flags, instead of input_location, which might be "ahead".
1302         (c_parser_direct_declarator): Set declarator's id_loc from
1303         c_token's id_loc.
1304         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
1305         declarator's id_loc, rather than probably-imprecise input_location.
1306         (build_id_declarator): Initialize c_declarator's id_loc field.
1307
1308 2005-03-11  Roger Sayle  <roger@eyesopen.com>
1309
1310         PR middle-end/20419
1311         * builtins.c (expand_builtin_signbit): Force the signbit's word
1312         into an integer register to avoid SUBREGs of floating point modes.
1313
1314 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1315
1316         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
1317         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
1318         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
1319         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
1320
1321 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
1322
1323         PR rtl-optimization/20306
1324         * expr.c (emit_move_complex): Set try_int false if mode is
1325         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
1326         emit_block_move if try_int is true.
1327
1328 2005-03-11  Richard Henderson  <rth@redhat.com>
1329
1330         PR target/20415
1331         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
1332         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
1333         to match.
1334
1335 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
1336
1337         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
1338         (TARGET_FIX_VR4130): New macro.
1339         (TARGET_OPTIONS): Add -mfix-vr4130.
1340         (ISA_HAS_MACCHI): New macro.
1341         (ASM_SPEC): Add -mfix-vr4130.
1342         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
1343         (override_options): Handle mips_fix_vr4130_string.
1344         (mips_avoid_hazards): Clear all_noreorder_p
1345         if we're working around VR4130 errata and the macc alternatives
1346         are not available.
1347         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
1348         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
1349         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
1350         (MULTILIB_DEFAULTS): Remove leading "march=".
1351         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
1352         if no architecture option is given.
1353         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
1354         VR4130 multilibs.
1355         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
1356         * doc/invoke.texi: Document -mfix-vr4130.
1357
1358 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
1359
1360         * config/mips/mips.c (override_options): Only warn about -mint64
1361         deprecation if TARGET_INT64.
1362
1363 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1364
1365         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
1366         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
1367         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
1368         are non-specific regarding the nonnull parameter positions.
1369         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
1370         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
1371         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
1372         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
1373
1374         * builtins.def: Use the non-specific "nonnull" attibute lists.
1375
1376 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
1377
1378         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
1379         single_pred_edge, single_succ, single_pred): Improve comments.
1380
1381 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
1382
1383         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
1384         single_pred_edge, single_succ, single_pred): New inline functions.
1385         * bb-reorder.c (rotate_loop, find_traces_1_round,
1386         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
1387         duplicate_computed_gotos): Use the single_succ/pred functions.
1388         * cfganal.c (forwarder_block_p): Ditto.
1389         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
1390         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1391         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
1392         merge_seq_blocks): Ditto.
1393         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
1394         * cfglayout.c (fixup_reorder_chain): Ditto.
1395         * cfgloop.c (mark_single_exit_loops, update_latch_info,
1396         canonicalize_loop_headers, verify_loop_structure): Ditto.
1397         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
1398         mfb_update_loops, create_preheader, force_single_succ_latches,
1399         create_loop_notes): Ditto.
1400         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
1401         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
1402         commit_one_edge_insertion, purge_dead_edges,
1403         cfg_layout_can_merge_blocks_p): Ditto.
1404         * except.c (sjlj_emit_function_enter): Ditto.
1405         * flow.c (init_propagate_block_info): Ditto.
1406         * function.c (thread_prologue_and_epilogue_insns): Ditto.
1407         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
1408         insert_insn_end_bb): Ditto.
1409         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
1410         find_if_case_2): Ditto.
1411         * lambda-code.c (perfect_nestify): Ditto.
1412         * lcm.c (optimize_mode_switching): Ditto.
1413         * loop-doloop.c (doloop_modify): Ditto.
1414         * loop-init.c (loop_optimizer_init): Ditto.
1415         * loop-iv.c (simplify_using_initial_values): Ditto.
1416         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
1417         * loop-unswitch.c (unswitch_loop): Ditto.
1418         * modulo-sched.c (generate_prolog_epilog): Ditto.
1419         * predict.c (combine_predictions_for_insn, estimate_probability,
1420         tree_estimate_probability, last_basic_block_p,
1421         estimate_bb_frequencies): Ditto.
1422         * profile.c (branch_prob): Ditto.
1423         * regrename.c (copyprop_hardreg_forward): Ditto.
1424         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
1425         * tracer.c (layout_superblocks): Ditto.
1426         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
1427         cfg_remove_useless_stmts_bb, cleanup_control_flow,
1428         cleanup_control_expr_graph, disband_implicit_edges,
1429         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
1430         tree_verify_flow_info, tree_make_forwarder_block,
1431         tree_forwarder_block_p, remove_forwarder_block,
1432         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
1433         * tree-if-conv.c (tree_if_conversion): Ditto.
1434         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1435         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
1436         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
1437         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
1438         copy_loop_headers): Ditto.
1439         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
1440         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
1441         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
1442         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
1443         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
1444         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
1445         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
1446         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
1447         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
1448         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
1449         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
1450         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
1451         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
1452         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
1453         slpeel_add_loop_guard): Ditto.
1454
1455 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
1456
1457         PR tree-optimization/15784
1458         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1459         and -1 - A to ~A.
1460
1461         * stmt.c (expand_case): Don't change index_type.  Convert minval
1462         to the proper type.
1463
1464         PR tree-optimization/20130
1465         * fold-const.c (fold): Fold x * -1 into -x.
1466
1467 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1468
1469         PR rtl-optimization/20331
1470         * rtlanal.c (modified_between_p): Check its address first for MEM.
1471         (modified_in_p): Likewise.
1472
1473 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
1474
1475         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
1476
1477 2005-03-10  Steven Bosscher  <stevenb@suse.de>
1478
1479         * expr.c (expand_expr_real_1): If possible, use a conditional
1480         move for expanding MIN_EXPR and MAX_EXPR.
1481         Use temp for moving around rtx-en.
1482
1483 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
1484
1485         PR rtl-opt/20412
1486         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
1487         correct mode.
1488
1489 2005-03-10  Roger Sayle  <roger@eyesopen.com>
1490
1491         * builtins.c (expand_builtin_signbit): Extend to handle floating
1492         point modes wider than the largest integer type, using the
1493         operand_subword_force function to obtain the signbit's word.
1494
1495 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
1496
1497         PR target/20322
1498         * combine.c (try_combine): If recog_for_combine added CLOBBERs
1499         to NEWI2PAT, fail to combine if they are used by NEWPAT.
1500
1501 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
1502
1503         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
1504
1505 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
1506
1507         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
1508         type void.
1509         (perform_edge_inserts): Unconditionally call
1510         free_dominator_info.
1511
1512         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
1513
1514 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
1515
1516         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
1517
1518 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
1519
1520         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
1521
1522         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
1523         gcc_unreachable.
1524         (rtl_register_value_prof_hooks,
1525         tree_value_profile_transformations,
1526         tree_register_value_prof_hooks): Likewise.
1527         * var-tracking.c (stack_adjust_offset_pre_post,
1528         variable_htab_free, variable_union, dataflow_set_different_2,
1529         count_uses, variable_was_changed, set_frame_base_location,
1530         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
1531         vt_add_function_parameters): Likewise.
1532         * varasm.c (named_section_real, named_section, make_decl_rtl,
1533         asm_emit_uninitialised, assemble_integer, decode_addr_const,
1534         const_hash_1, compare_constant, copy_constant, force_const_mem,
1535         output_constant_pool_2, output_constant_pool_1, output_constant,
1536         output_constructor, make_decl_one_only, decl_tls_model,
1537         default_no_named_section, default_elf_select_section_1,
1538         default_unique_section_1): Likewise.
1539         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
1540         * vmsdbgout.c (addr_const_to_string): Likewise.
1541
1542         PR c++/20375
1543         * function.c (struct assign_parm_data_one): Remove last_named
1544         field.
1545         (assign_parm_find_data_types): Don't determine last_named.
1546         Reorder named_parm determination.
1547         (assign_parms): Only setup varargs on the last non-varadic
1548         parameter.
1549
1550 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
1551
1552         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
1553         sda base address on medium model.
1554
1555 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
1556
1557         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
1558         * cfgloop.c (flow_loop_nodes_find): Export.
1559         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
1560         Declare.
1561         * cfgloopmanip.c (fix_loop_structure): New function.
1562         * predict.c (predict_loops): Clean up the loops information.
1563         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
1564         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
1565         loop structure.
1566         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
1567         (rewrite_into_loop_closed_ssa): Declaration changed.
1568         * tree-loop-linear.c (linear_transform_loops): Add argument to
1569         rewrite_into_loop_closed_ssa call.
1570         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1571         * tree-ssa-loop-im.c (move_computations): Ditto.
1572         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1573         * tree-vectorizer.c (vectorize_loops): Ditto.
1574         * tree-optimize.c: Include cfgloop.h.
1575         (execute_todo): Choose whether to call cleanup_tree_cfg or
1576         cleanup_tree_cfg_loop.
1577         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
1578         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
1579         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
1580         cleanup_tree_cfg_loop call.
1581         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
1582         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
1583         work on part of cfg.
1584
1585 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
1586
1587         PR inline-asm/20314
1588         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
1589         with multiple alternatives.
1590
1591         * stmt.c (parse_output_constraint): Fix a typo.
1592
1593 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
1594
1595         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
1596         assembly directive instead of deprecated "no-generics".
1597
1598 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
1599
1600         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1601         for non-offsettable memory references to cope with outstanding reload
1602         replacements.
1603         * config/s390/s390.md ("reload_outti"): Call find_replacement to
1604         avoid losing outstanding address reloads.
1605         ("reload_outdi", "reload_outdf"): Likewise.
1606
1607 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1608
1609         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
1610         code.  Add more cbrt transformations.
1611
1612 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1613
1614         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
1615
1616 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
1617
1618         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
1619         NULL_TREE when a given tree is not simplified.
1620         (fold): Return the original tree when any of the functions
1621         mentioned above NULL_TREE.
1622
1623         * fold-const.c (fold_unary, fold_binary): Take decomposed
1624         arguments, code, type, op0, and op1 in case of fold_binary.
1625         (fold): Update calls to fold_unary and fold_binary.
1626
1627 2005-03-09  Roger Sayle  <roger@eyesopen.com>
1628
1629         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
1630         a fndecl and an arglist instead of a CALL_EXPR, exp.
1631
1632 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
1633
1634         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
1635
1636         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
1637
1638         * expr.c (expand_assignment): Remove orig_to_rtx.
1639
1640         * fold-const.c (int_const_binop): Remove no_overflow.
1641
1642         * ifcvt.c (noce_emit_move_insn): Remove inmode.
1643
1644         * loop-iv.c (get_biv_step_1): Remove lhs.
1645
1646         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
1647
1648         * real.c (real_nan): Remove neg.
1649
1650         * function.c (thread_prologue_and_epilogue_insns): Remove i
1651         and newinsn.
1652
1653         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
1654         tb.
1655
1656         * tree-eh.c (tree_could_trap_p): Remove idx.
1657
1658         * tree-into-ssa.c (ann): Remove ann.
1659
1660         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
1661
1662         * tree-sra.c (decide_block_copy): Remove inst_count.
1663
1664         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
1665
1666         * tree-ssa-loop-im.c (lhs): Remove.
1667
1668         * cfgbuild.c (state, STATE, SET_STATE,
1669         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
1670         make_edges.
1671         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
1672         (find_basic_blocks): Set the state of each basic block to
1673         BLOCK_NEW.
1674
1675 2005-03-08  Jeff Law  <law@redhat.com>
1676
1677         * tree-cfg.c (cleanup_control_flow): If removal of a computed
1678         goto results in the removal of edges in the CFG, then we need
1679         to recompute dominators.
1680
1681 2005-03-09  Ben Elliston  <bje@au.ibm.com>
1682
1683         * c-common.c (c_do_switch_warnings): Comment fix.
1684
1685 2005-03-08  Julian Brown  <julian@codesourcery.com>
1686
1687         * Patch from 2005-03-08 reverted for causing regressions and
1688         ppc-darwin bootstrap failure.
1689
1690 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
1691
1692         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
1693         Define the real function for ppc-darwin.
1694         * c-typeck.c (convert_arguments): Check for target-specific
1695         invalid argument call to unprototyped function.
1696         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
1697         New Macro.
1698         * target.h (invalid_arg_for_unprototyped_fn): New field
1699         in struct calls.
1700         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
1701         default target hook.
1702         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
1703         Declare.
1704
1705 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1706
1707         * c-typeck.c (constructor_stack, constructor_range_stack,
1708         initializer_stack): Make them static.
1709
1710         * cfg.c (rbi_pool): Make it static.
1711
1712         * gimple-low.c (lower_stmt_body): Make it static.
1713         * tree-flow.h: Remove the corresponding prototype.  Don't
1714         declare lower_data.
1715
1716         * sched-deps.c (cache_size): Make it static.
1717
1718         * stor-layout.c (lang_adjust_rli): Make it static.
1719
1720 2005-03-08  Julian Brown  <julian@codesourcery.com>
1721
1722         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1723         from being used for symbols with vague linkage when
1724         HAVE_GAS_COMDAT_GROUP is true.
1725
1726 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
1727
1728         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
1729         nlabel == JUMP_LABEL (jump).
1730
1731 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1732
1733         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
1734         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
1735         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
1736         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
1737
1738 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
1739
1740         PR c/14411
1741         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
1742         * c-common.c (handle_returns_twice): New function.
1743         (c_common_attribute_table): Declare eturns_twice' attribute.
1744         * doc/extend.texi: Document eturns_twice' attribute.
1745         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
1746         (struct tree_decl): Add returns_twice_flag.
1747
1748 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1749
1750         * tree-ssa-phiopt.c: Fix a comment typo.
1751
1752         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
1753         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
1754         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
1755         copyright.
1756
1757 2005-03-08  Richard Henderson  <rth@redhat.com>
1758
1759         * config/alpha/alpha.c (code_for_builtin): Replace special-case
1760         builtin codes with ctzdi2, clzdi2, popcountdi2.
1761         (struct alpha_builtin_def): Add is_const.
1762         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
1763         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
1764         (alpha_init_builtins): Init them.  Set nothrow and const attributes
1765         on builtins.
1766         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
1767         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
1768         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
1769         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
1770         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
1771         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
1772         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
1773         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
1774         (TARGET_FOLD_BUILTIN): New.
1775         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
1776         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
1777         (ffsdi2): Use ctz.
1778         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
1779
1780 2005-03-08  Ira Rosen  <irar@il.ibm.com>
1781
1782         PR tree-optimization/20122
1783         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
1784         condition of access function instead of base.
1785
1786 2005-03-07  Jeff Law  <law@redhat.com>
1787             Steven Bosscher  <stevenb@suse.de>
1788
1789         * tree-cfg.c (find_taken_edge_computed_goto): New function.
1790         (find_taken_edge): Call find_taken_edge_computed_goto as
1791         appropriate.  Allow any gimple invariant rather than just
1792         INTEGER_CST for VAL.
1793         (cleanup_control_flow): Cleanup a computed goto which has turned
1794         into a simple goto.
1795         (tree_merge_blocks): If block B has any forced labels, move
1796         them to the start of block A.
1797         * tree-ssa-dom.c (thread_across_edge): Allow threading across
1798         computed gotos as well.
1799         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
1800         removal of unnecessary computed gotos too.
1801         (lookup_redirection_data): Fix type of INSERT argument.  Callers
1802         updated.
1803
1804 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1805
1806         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
1807         Remove trailing spaces.
1808
1809         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
1810         unshare_all_trees): Make them static.
1811         * tree-gimple.h: Remove the corresponding prototypes.
1812
1813         * diagnostic.h: Remove unused prototype
1814         debug_output_buffer.
1815         * modulo-sched.c: Remove unused prototype
1816         set_row_column_for_ps.
1817
1818         * tree-ssa-phiopt.c (tree_ssa_phiopt,
1819         replace_phi_edge_with_variable): Remove unused variable i.
1820
1821 2005-03-07  Per Bothner  <per@bothner.com>
1822
1823         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
1824
1825 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
1826
1827         PR tree-opt/17671
1828         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
1829         bbs on the COND_EXPR instead of the PHI_NODEs.
1830         (candidate_bb_for_phi_optimization): Remove.
1831         (replace_phi_with_stmt): Rename to ...
1832         (replace_phi_edge_with_variable): this and change so that we
1833         replace the phi argument instead of removing the PHI.
1834         (conditional_replacement): Change so we deal with PHI with more
1835         than two arguments.
1836         (value_replacement): Likewise.
1837         (abs_replacement): Likewise.
1838
1839 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
1840
1841         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
1842         output_e500_flip_gt_bit.
1843
1844         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
1845         as bit 31.
1846         (rs6000_generate_compare): Fix logic to look at the correct bits.
1847         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
1848         Look at GT bit.
1849         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
1850         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
1851         gen_move_from_CR_gt_bit.
1852
1853         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
1854         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
1855         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
1856
1857         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
1858         (E500_CR_IOR_COMPARE): New constant.
1859
1860 2005-03-08  Earl Chew <earl_chew@agilent.com>
1861             David Billinghurst <David.Billinghurst@riotinto.com>
1862
1863         * config/i386/host-cygwin.c: New file to support precompiled
1864         headers on cygwin
1865         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
1866         * config.host: Use above files for cygwin host.
1867
1868 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
1869
1870         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
1871         ordering ops from earlier change.
1872
1873 2005-03-07  Per Bothner  <per@bothner.com>
1874
1875         Various fixes to allow us to again build if --enable-mapped-location:
1876         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
1877         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
1878         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
1879         local variable loc. Change logic appropriately.
1880         * tree-vect-transform.c (vect_finish_stmt_generation): Use
1881         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
1882         * c-parser.c (c_parser_for_statement): Initialize loc variable.
1883         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
1884         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
1885
1886 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
1887
1888         PR rtl-optimization/19683
1889         * reload1.c (choose_reload_regs): Pass the number of bits, not the
1890         number of bytes, to smallest_int_for_mode.  Fix arguments to
1891         REG_CANNOT_CHANGE_MODE_P.
1892
1893 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1894
1895         * reorg.c (relax_delay_slots): Check that the jump is
1896         conditional before trying to invert it.
1897
1898 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1899
1900         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
1901         Make them static.
1902
1903         * calls (stack_arg_under_construction): Make it static.
1904
1905         * flow.c (regs_live_at_setjmp): Make it static.
1906         * flow.h: Remove the corresponding prototype.
1907
1908         * reload1.c (reload_startobj, reload_firstobj,
1909         something_needs_operands_changed, reload_inherited,
1910         reload_inheritance_insn, reload_override_in,
1911         reload_spill_index): Make them static.
1912
1913         * recog.c (verify_changes): Make it static.
1914         * recog.h: Remove the corresponding prototype.
1915
1916         * cfgbuild.c (find_sub_basic_blocks): Remove.
1917         * basic-block.h: Remove the corresponding prototype.
1918         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
1919         in comments.
1920         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
1921
1922         * tree-ssa-operands.c (check_build_stmt): Remove.
1923
1924         * stor-layout.c (set_alignment): Remove.
1925         * tree.h: Remove the corresponding prototype.
1926
1927         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
1928
1929         * tree-ssa-dce.c (control_dependence_map,
1930         visited_control_parents): Make them static.
1931
1932         * cfghooks.c (verify_flow_info): Remove local variable
1933         num_bb_notes.
1934
1935         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
1936         last_bb_seen.
1937
1938         * loop-unswitch.c (unswitch_loop): Remove local variable src.
1939
1940 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
1941
1942         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
1943
1944 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
1945
1946         * config/ia64/hpux.h (LINK_SPEC): Add -z.
1947         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
1948         PARALLEL for an empty structure.
1949
1950 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1951
1952         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
1953
1954         * fold-const.c (fold_binary): Unroll the very first "for"
1955         loop.
1956
1957 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
1958
1959         * config/rs6000/predicates.md (branch_comparison_operator): Remove
1960         redundant match_code test.
1961         (scc_comparison_operator): Swap match_operand and match_code
1962         tests.
1963         (branch_positive_comparison_operator): Same.
1964         (trap_comparison_operator): Use comparison_operator and swap with
1965         match_code test.
1966
1967 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
1968
1969         PR target/20288
1970         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
1971         (out_movhi_r_mr): Read low byte of volatile MEM first.
1972         (out_movhi_mr_r): Write high byte of volatile MEM first.
1973
1974 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1975
1976         * cselib.c (reg_values, reg_values_size): Make them static.
1977
1978         * cse.c (cse_reg_info_table): Make it static.
1979
1980         * fold-const.c (fold_unary): Use build1 instead of copy_node.
1981
1982 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
1983
1984         * cse.c (find_best_addr): Use canon_for_address.
1985
1986 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1987
1988         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
1989         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
1990         SUBREG and MEM, respectively.
1991
1992         * fold-const.c (fold_binary): Use code instead of t.
1993
1994         * fold-const.c (optimize_minmax_comparison): Take decomposed
1995         arguments code, type, op0, and op1 instead of t.
1996         (fold_binary): Update a call to optimize_minmax_comparison.
1997
1998         * fold-const.c (fold_range_test): Take decomposed arguments
1999         code, type, op0, and op1 instead of t.
2000         (fold_binary): Update a call to fold_range_test.
2001
2002         * fold-const.c (fold_binary_op_with_conditional_arg): Take
2003         decomposed arguments code, type, op0, and op1 instead of t.
2004         (fold_binary): Update a call to fold_range_test.
2005
2006 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
2007
2008         * fold-const.c (fold_binary): Avoid directly using the original
2009         expression t as much as possible.
2010
2011 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2012
2013         * c-semantics.c (build_stmt): Use TYPE_P instead of
2014         IS_NON_TYPE_CODE_CLASS.
2015         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
2016         (NON_TYPE_CHECK): Use TYPE_P instead of
2017         IS_NON_TYPE_CODE_CLASS.
2018
2019         * fold-const.c (fold): Remove handling of binary expressions.
2020
2021 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
2022
2023         * doc/c-tree.texi: Wrap comments in @r{}.
2024         * doc/cpp.texi: Likewise.
2025         * doc/cppinternals.texi: Likewise.
2026         * doc/extend.texi: Likewise.
2027         * doc/md.texi: Likewise.
2028         * doc/objc.texi: Likewise.
2029         * doc/sourcebuild.texi: Likewise.
2030         * doc/tm.texi: Likewise.
2031         * doc/tree-ssa.texi
2032
2033 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
2034
2035         * predict.c (apply_return_prediction): Standardize PHI chain
2036         walking.
2037         * tree-ssa.c (ssa_redirect_edge): Likewise.
2038
2039         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
2040         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
2041         Update copyright.
2042
2043         * tree-phinodes.c (remove_phi_node): Drop the last argument.
2044         * tree-flow.h: Adjust the prototype for remove_phi_node.
2045         * lambda-code.c (perfect_nestify): Adjust a call to
2046         remove_phi_node.
2047         * tree-cfg.c
2048         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
2049         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
2050         Likewise.
2051         * tree-ssa-dce.c (remove_dead_phis): Likewise.
2052         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2053         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2054         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
2055
2056         * combine.c (simplify_and_const_int): Use gen_int_mode instead
2057         of GEN_INT (trunc_int_for_mode (...)).
2058         * loop-iv.c (iv_number_of_iterations): Likewise.
2059         * postreload.c (reload_cse_move2add): Likewise.
2060         * simplify-rtx.c (simplify_const_unary_operation,
2061         simplify_const_binary_operation): Likewise.
2062         * stor-layout.c (get_mode_bounds): Likewise.
2063
2064         * fold-const.c (fold_binary): New.
2065         (fold): Call fold_binary on binary expressions.
2066
2067 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
2068
2069         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
2070         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
2071         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
2072         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
2073         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
2074
2075 2005-03-04  Devang Patel  <dpatel@apple.com>
2076
2077         PR tree-optimization/18815
2078         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
2079         loops with zero exit edges.
2080
2081 2005-03-04  Devang Patel  <dpatel@apple.com>
2082
2083         * doc/invoke.texi: Remove reference to webpage that does not exist.
2084
2085 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
2086             Joseph S. Myers  <joseph@codesourcery.com>
2087
2088         PR c++/19797
2089         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
2090         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
2091         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
2092         * pa.c (get_plabel): Change argument to symbol_ref.  Call
2093         maybe_get_identifier instead of get_identifier.
2094         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
2095         (struct deferred_plabel): Replace name field with symbol field.
2096         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
2097         ASM_OUTPUT_EXTERNAL_REAL is defined.
2098         (output_global_address): Use output_addr_const for output of all
2099         symbol_refs.
2100         (output_deferred_plabels): Use symbol_ref instead of name for address
2101         output.
2102         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
2103         ASM_OUTPUT_SYMBOL_REF): New macros.
2104         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
2105         comment.
2106         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
2107         label.
2108
2109 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
2110
2111         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
2112         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
2113
2114 2005-03-04  Jeff Law  <law@redhat.com>
2115
2116         * basic-block.h (rediscover_loops_after_threading): Declare.
2117         * tree-ssa-dom.c: Include cfgloop.h.
2118         (tree_ssa_dominator_optimize): Discover loops and some basic
2119         properties.  Remove forwarder blocks recreated by loop header
2120         canonicalization.  Also mark backedges in the CFG.
2121         * tree-ssa-threadupdate.c: Include cfgloop.h
2122         (rediscover_loops_after_threading): Define.
2123         (struct local_info): New field, JUMP_THREADED.
2124         (prune_undesirable_thread_requests): New function.
2125         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
2126         then record that fact for the callers of redirct_edges.
2127         (thread_block): If BB has incoming backedges, then call
2128         prune_undesirable_thraed_requests.    Note when we are
2129         going to have to rediscover loop information.  Return a
2130         boolean indicating if any jumps were threaded.
2131         (thread_through_all_blocks): Bubble up boolean indicating
2132         if any jumps were threaded.
2133         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
2134         (tree-ssa-threadupdate.o): Similarly.
2135
2136 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2137
2138         * fold-const.c (fold_ternary): Unroll the "for" loop to
2139         extract operands.
2140
2141 2005-03-04  Andrew Haley  <aph@redhat.com>
2142
2143         * unwind-dw2-fde-glibc.c (struct
2144         unw_eh_callback_data.check_cache): New field.
2145         (frame_hdr_cache): New.
2146         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
2147         Cache frame header info.
2148
2149 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
2150
2151         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
2152         (print_c_condition): Declare.
2153         * read-rtl.c (ptr_loc): New structure.
2154         (ptr_locs, ptr_loc_obstack, joined_conditions)
2155         (joined_conditions_obstack): New variables.
2156         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
2157         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
2158         (join_c_conditions, print_c_condition): New functions.
2159         (apply_macro_to_string): Associate the new string with the same
2160         source location as the old one.
2161         (add_condition_to_string): Use join_c_conditions.
2162         (read_string): Use set_rtx_ptr_loc to record a filename and line
2163         number for the string.
2164         (read_rtx): Initialize the new variables above.
2165         * genattrtab.c (write_test_expr, write_attr_value): Use
2166         print_c_condition.
2167         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
2168         comment above the GCC_VERSION check.
2169         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
2170         Inline the definition of MAYBE_EVAL.
2171         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
2172         * genoutput.c (process_template): Likewise.
2173         * genpreds.c (write_predicate_subfunction): Likewise.
2174         (write_predicate_expr): Use print_c_condition.
2175         * genrecog.c (write_cond): Likewise.
2176         * gensupport.c (process_rtx): Use join_c_conditions to join the
2177         conditions of a define_insn_and_split.  Record a source location
2178         for the string after the "&&".
2179         (alter_test_for_insn): Use join_c_conditions.
2180
2181 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
2182
2183         Revert for now:
2184         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2185         PR tree-optimization/15784
2186         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2187         and -1 - A to ~A.
2188
2189 2005-03-04  Ben Elliston  <bje@au.ibm.com>
2190
2191         * gcc.c (option_map): Add --coverage.
2192         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
2193         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
2194         * config/darwin.h: Pass -lgcov for `coverage'.
2195         * doc/invoke.texi (Debugging Options): Document --coverage.
2196
2197 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2198
2199         * gcse.c (bypass_block): Use find_edge wherever possible.
2200
2201 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
2202
2203         Fix PR debug/20253
2204
2205         * c-opts.c (c_common_parse_file): Call start_source_file
2206         and end_source_file at the approriate times.
2207
2208         * dwarf2out.c (dwarf2out_finish): Don't auto-end
2209         the main file, it will be done for us now.
2210
2211 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2212
2213         * fold-const.c (fold_ternary): New.
2214         (fold): Call fold_ternary on ternary expressions.  Remove
2215         handling of ternary expressions.
2216
2217 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2218
2219         PR tree-optimization/15784
2220         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2221         and -1 - A to ~A.
2222
2223 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
2224
2225         * config/rs6000/predicates.md (branch_comparison_operator):
2226         Convert from C block to conditional format.
2227
2228 2005-03-03  Jan Hubicka  <jh@suse.cz>
2229
2230         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
2231         and non-constant public variables.
2232
2233 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
2234
2235         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
2236         with LABEL_EXPR.
2237
2238         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
2239         EDGE_I.
2240
2241         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
2242         calls to release_ssa_name and release_phi_node.
2243
2244         * fold-const.c (fold): Remove handling of unary expressions.
2245
2246         * fold-const.c (fold_unary): Avoid directly using the original
2247         expression t as much as possible.
2248
2249 2005-03-03  Roger Sayle  <roger@eyesopen.com>
2250             Andrew Pinski  <pinskia@physics.uc.edu>
2251
2252         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
2253         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
2254
2255 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
2256
2257         Describe special registers SRP and MOF as allocatable registers.
2258         * config/cris/cris.c (cris_md_asm_clobbers): New function.
2259         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
2260         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
2261         TARGET_HAS_MUL_INSNS.
2262         (cris_print_operand) <case 'd'>: New case.
2263         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
2264         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
2265         define.
2266         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
2267         (REG_ALLOC_ORDER): Update for MOF.
2268         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
2269         SPECIAL_REGS.
2270         (GENERAL_REGS): No longer a define of ALL_REGS.
2271         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
2272         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
2273         Adjust accordingly.
2274         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
2275         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
2276         (SECONDARY_RELOAD_CLASS): Define.
2277         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
2278         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
2279         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
2280         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
2281         (REGISTER_MOVE_COST): Define.
2282         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
2283         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
2284         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
2285         (CRIS_MOF_REGNUM): New define_constants.
2286         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
2287         special registers.
2288         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
2289         New patterns.
2290         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
2291         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
2292         Adjust for MOF being properly described as a register.
2293         (indir_to_reg_split): Name this split.  Conditionalize on the
2294         destination register being a general register.
2295         (movei): Conditionalize on on operands 0 and 1 having the same
2296         register class.
2297
2298 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
2299
2300         PR target/20277
2301         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
2302         -mcpu to override any other explicitly given flags.
2303
2304 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
2305
2306         * recog.c (verify_changes, confirm_change_group): New functions,
2307         broken out of apply_change_group.
2308         (apply_change_group): Use them.
2309         * recog.h (verify_change, confirm_change_group): Declare.
2310         * rtl.h (redirect_jump_2): Declare.
2311         * jump.c (redirect_exp, invert_exp): Delete.
2312         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
2313         (redirect_jump_2): New function, broken out of redirect_jump.
2314         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
2315         (invert_jump): Use invert_jump_1 and redirect_jump_2.
2316         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
2317
2318 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
2319
2320         * varasm.c (named_section): Use xstrdup rather than doing it by
2321         hand.
2322
2323         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
2324
2325 2005-03-02  Devang Patel  <dpatel@apple.com>
2326
2327         Undo PR tree-optimization/18815 fix.
2328
2329 2005-03-02  Devang Patel  <dpatel@apple.com>
2330
2331         PR tree-optimization/18815
2332         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
2333         loops with zero exit edges.
2334
2335 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
2336
2337         * cfg.c (connect_src, connect_dest, disconnect_src,
2338         disconnct_dest): New.
2339         (unchecked_make_edge, remove_edge, redirect_edge_succ,
2340         redirect_edge_pred): Use the new functions.
2341
2342         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
2343         free_dominance_info only when needed.
2344
2345 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
2346
2347         PR target/20276
2348         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
2349         (reg_or_sub_cint64_operand): Same.
2350
2351 2005-03-02  Jeff Law  <law@redhat.com>
2352
2353         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
2354         CFG_ALTERED in the main DOM iteration loop.
2355
2356 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
2357
2358         PR c++/19916
2359         * varasm.c (initializer_constant_valid_p): Allow conversions
2360         between OFFSET_TYPEs.  Tidy.
2361
2362 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
2363
2364         * config/cris/cris.md ("return"): Remove epilogue delay list
2365         sanity check.
2366
2367 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
2368
2369         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
2370         for Thumb.
2371         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
2372
2373 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
2374
2375         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
2376         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
2377         config/m68k/m68k.c, config/mips/mips.h,
2378         config/rs6000/rs6000-protos.h, doc/contrib.texi,
2379         doc/include/gcc-common.texi: Update copyright.
2380
2381         PR middle-end/18029 and PR middle-end/18030
2382         * expr.c (optimize_bitfield_assignment_op): Add a special case
2383         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
2384
2385         * fold-const.c (fold_unary): New.
2386         (fold): Call fold_unary on unary expressions.
2387
2388 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
2389
2390         * cgraph.h (struct cgraph_edge): Add prev_caller and
2391         prev_callee fields.
2392         (cgraph_node_remove_callees): Export.
2393         * cgraph.c (cgraph_create_edge): Initialize prev_caller
2394         and prev_callee.
2395         (cgraph_edge_remove_callee): New function.
2396         (cgraph_edge_remove_caller): Likewise.
2397         (cgraph_remove_edge): Use.
2398         (cgraph_redirect_edge_callee): Likewise.
2399         (cgraph_node_remove_callees): New function.
2400         (cgraph_node_remove_callers): Likewise.
2401         (cgraph_remove_node): Use.
2402         * tree-optimize.c (tree_rest_of_compilation): Use
2403         cgraph_node_remove_callees instead of manual loop.
2404         * cgraphunit.c (cgraph_finalize_function): Likewise.
2405         (cgraph_expand_function): Likewise.
2406         (cgraph_remove_unreachable_nodes): Likewise.
2407
2408 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
2409
2410         PR c/8927
2411         * c-tree.h (undeclared_variable, build_external_ref): Add extra
2412         argument.
2413         * c-decl.c (undeclared_variable): Take location as argument.
2414         * c-typeck.c (build_external_ref): Likewise.
2415         * c-parser.c (c_parser_postfix_expression): Pass location of
2416         identifier to build_external_ref.
2417
2418 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
2419
2420         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
2421         CCEQ mode for branch_positive_comparison_operator test.
2422         * config/rs6000/predicates (branch_comparison_operator): Revert to
2423         define_predicate.
2424         (scc_comparison_operator): Same.
2425         (branch_positive_comparison_operator): Same.
2426
2427 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
2428
2429         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
2430         (cris_delay_slots_for_epilogue): Remove.
2431         (save_last): Move into cris_target_asm_function_epilogue.
2432         (cris_target_asm_function_epilogue): Remove tests for file being
2433         NULL.
2434         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
2435         (cris_delay_slots_for_epilogue): Remove prototypes.
2436         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
2437         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
2438
2439 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
2440
2441         * config/rs6000/predicates.md (branch_comparison_operator): Change
2442         to define_special_predicate.
2443         (scc_comparison_operator): Same.
2444         (branch_positive_comparison_operator): Same.
2445
2446 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
2447
2448         * Makefile.in (tree-ssa-sink.o): New.
2449         (OBJS-common): Add tree-ssa-sink.o.
2450         * common.opt: Add -ftree-sink
2451         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
2452         * timevar.def (TV_TREE_SINK): new timevar.
2453         * tree-flow.h (is_hidden_global_store): Prototype.
2454         * tree-optimize.c (init_tree_optimization_passes): Add
2455         pass_sink_code.
2456         * tree-pass.h (pass_sink_code): New.
2457         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
2458         for non-obvious global store store to is_hidden_global_store, and
2459         call that new function.
2460         * tree-ssa-sink.c: New file.
2461         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
2462         * doc/passes.texi: Document forward store motion.
2463         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
2464         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
2465         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
2466         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
2467
2468 2005-03-01  Per Bothner  <per@bothner.com>
2469
2470         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
2471         and we have a non-zero column-number, add it to the message.
2472         Also factor out the diagnostic_kind_text.
2473
2474 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
2475
2476         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
2477         flow_loop_pre_header_scan, flow_loop_pre_header_find,
2478         flow_loop_scan): Removed.
2479         (flow_loop_dump): Do not dump removed fields.
2480         (flow_loop_free): Do not free removed fields.
2481         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
2482         (loop_exit_edge_p): New function.
2483         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
2484         num_pre_header_edges, entry_edges, num_entries, exit_edges,
2485         num_exits, exits_doms.
2486         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
2487         LOOP_EDGES, LOOP_ALL): Removed.
2488         (flow_loop_scan): Declaration removed.
2489         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
2490         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
2491         flow_loops_find.
2492         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
2493         (if_convert): Call flow_loops_find and flow_loops_free
2494         when calling mark_loop_exit_edges.
2495         * cfgloopanal.c (mark_loop_exit_edges): Moved from
2496         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
2497         free_dominance_info calls.
2498         * loop-init.c (flow_loops_find): Ditto.
2499         * passes.c (rest_of_handle_branch_prob): Ditto.
2500         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
2501         * loop-unroll.c (analyze_insns_in_loop): Do not use
2502         EDGE_LOOP_EXIT.
2503         * predict.c (predict_loops): Do not call flow_loop_scan.
2504         Use get_loop_exit_edges.
2505         (tree_estimate_probability): Do not pass flags to flow_loops_find.
2506         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
2507         Do not use EDGE_LOOP_EXIT.
2508         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
2509         to bb_with_exit_edge_p.
2510         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
2511         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
2512         to bb_with_exit_edge_p.
2513         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
2514         EDGE_LOOP_EXIT.
2515         * tree-loop-linear.c (linear_transform_loops): Do not call
2516         flow_loop_scan.  Use loop->single_exit.
2517         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
2518         (vect_analyze_loop_form): Do not call flow_loop_scan.
2519         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
2520         loop->single_exit.
2521         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
2522         loop->single_exit.
2523         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2524         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2525         slpeel_tree_duplicate_loop_to_edge_cfg,
2526         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2527         Use loop_preheader_edge and loop->single_exit.  Do not call
2528         flow_loop_scan.
2529
2530 2005-03-01  Nick Clifton  <nickc@redhat.com>
2531
2532         * config/arm/arm.c (thumb_find_work_register): Check all of the
2533         argument registers to see if they are free, and a couple of
2534         special cases where the last argument register but can be proved
2535         to be available during the function's prologue.
2536         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
2537         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
2538         thumb_unexpanded_epilogue): Use unsigned long as the type for the
2539         register bit-mask.
2540         (thumb_compute_save_reg_mask): Likewise.  Also use
2541         thumb_find_work_register() to ensure that there is agreement about
2542         which work register is going to be used in the prologue.
2543         (thumb_output_function_prologue): Use unsigned long as the type
2544         for the register bit-mask.  Also delay pushing the link register if
2545         other high registers are going to be pushed.
2546         (thumb_compute_save_reg_mask, emit_multi_reg_push,
2547         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
2548         redundant prototypes.
2549
2550 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
2551
2552         PR target/19819
2553         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
2554         and after reload in REG+REG indexed addresses without REG_POINTER
2555         set in the base and not set in the index.
2556
2557 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2558
2559         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
2560         Don't undefine here.
2561         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
2562         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
2563         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
2564         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
2565         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
2566         Delete.
2567         * config.gcc (sh*-*-linux*): Use config/linux.h.
2568
2569 2005-02-28  Dale Johannesen  <dalej@apple.com>
2570             Stan Shebs  <shebs@apple.com>
2571
2572         Rewrite of 64-bit Darwin structure-by-value pass/return.
2573         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
2574         intoffset, use_stack, named.
2575         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
2576         (rs6000_darwin64_record_arg_advance_flush):  New.
2577         (rs6000_darwin64_record_arg_advance_recurse): New.
2578         (rs6000_darwin64_record_arg_flush):  New.
2579         (rs6000_darwin64_record_arg_recurse):  New.
2580         (rs6000_darwin64_record_arg):  New.
2581         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
2582         (function_arg_boundary):  Handle 128-bit aligned structs.
2583         (function_arg_advance):  Rewrite darwin64 struct handling.
2584         (function_arg):  Call rs6000_darwin64_record_arg.
2585         (function_arg_partial_nregs):  Handle darwin64 structs.
2586         (rs6000_darwin64_function_value):  Remove.
2587         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
2588
2589 2005-02-28  Roger Sayle  <roger@eyesopen.com>
2590
2591         PR tree-optimization/20216
2592         * tree-chrec.c (tree_fold_factorial): Delete.
2593         (tree_fold_binomial): Change argument list to take a return type
2594         and change the type of K to unsigned int.  Rewrite to avoid explicit
2595         evaluation of factorials, and (recursively) calling fold to perform
2596         compile-time arithmetic.  Return NULL on (internal) overflow.
2597         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
2598         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
2599         if any intermediate calculation overflows.
2600         (chrec_apply): Update call to chrec_evaluate.
2601
2602 2005-02-28  James E Wilson  <wilson@specifixinc.com>
2603
2604         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
2605
2606 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
2607
2608         PR c/20245
2609         * c-parser.c (c_parser_compound_statement): Return error_mark_node
2610         instead of NULL_TREE on error.
2611
2612 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
2613
2614         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
2615         (EASY_VECTOR_15_ADD_SELF): Remove.
2616         (num_insns_constant_wide): Not static.
2617         (validate_condition_mode): Not static.
2618         (toc_relative_expr_p): Not static.
2619         (legitimate_indirect_address_p): Not static.
2620         (macho_lo_sum_memory_operand): Not static.
2621         (invalid_e500_subreg): Not static.
2622         (easy_vector_same): Not static.
2623         (easy_vector_splat_const): Not static.
2624         (RS6000_SYMBOL_REF_TLS_P): Remove.
2625         (any_operand): Delete.
2626         (any_parallel_operand): Delete.
2627         (count_register_operand): Delete.
2628         (altivec_register_operand): Delete.
2629         (xer_operand): Delete.
2630         (s8bit_cint_operand): Delete.
2631         (short_cint_operand): Delete.
2632         (u_short_cint_operand): Delete.
2633         (non_short_cint_operand): Delete.
2634         (exact_log2_cint_operand): Delete.
2635         (gpc_reg_operand): Delete.
2636         (cc_reg_operand): Delete.
2637         (cc_reg_not_cr0_operand): Delete.
2638         (reg_or_short_operand): Delete.
2639         (reg_or_neg_short_operand): Delete.
2640         (reg_or_aligned_short_operand): Delete.
2641         (reg_or_u_short_operand): Delete.
2642         (reg_or_cint_operand): Delete.
2643         (reg_or_arith_cint_operand): Delete.
2644         (reg_or_add_cint64_operand): Delete.
2645         (reg_or_sub_cint64_operand): Delete.
2646         (reg_or_logical_cint_operand): Delete.
2647         (got_operand): Delete.
2648         (got_no_const_operand): Delete.
2649         (easy_fp_constant): Delete.
2650         (easy_vector_constant): Delete.
2651         (easy_vector_constant_add_self): Delete.
2652         (zero_constant): Delete.
2653         (zero_fp_constant): Delete.
2654         (volatile_mem_operand): Delete.
2655         (offsettable_mem_operand): Delete.
2656         (mem_or_easy_const_operand): Delete.
2657         (add_operand): Delete.
2658         (non_add_cint_operand): Delete.
2659         (logical_operand): Delete.
2660         (non_logical_cint_operand): Delete.
2661         (mask_operand): Delete.
2662         (mask_operand_wrap): Delete.
2663         (mask64_operand): Delete.
2664         (mask64_2_operand): Delete.
2665         (and64_operand): Delete.
2666         (and64_2_operand): Delete.
2667         (and_operand): Delete.
2668         (reg_or_mem_operand): Delete.
2669         (lwa_operand): Delete.
2670         (symbol_ref_operand): Delete.
2671         (call_operand): Delete.
2672         (current_file_function_operand): Delete.
2673         (input_operand): Delete.
2674         (rs6000_nonimmediate_operand): Delete.
2675         (rs6000_tls_symbol_ref): Delete.
2676         (save_world_operation): Delete.
2677         (restore_world_operation): Delete.
2678         (load_multiple_operation): Delete.
2679         (store_multiple_operation): Delete.
2680         (vrsave_operation): Delete.
2681         (mfcr_operation): Delete.
2682         (mtcrf_operation): Delete.
2683         (lmw_operation): Delete.
2684         (stmw_operation): Delete.
2685         (branch_comparison_operator): Delete.
2686         (branch_positive_comparison_operator): Delete.
2687         (scc_comparison_operator): Delete.
2688         (trap_comparison_operator): Delete.
2689         (boolean_operator): Delete.
2690         (boolean_or_operator): Delete.
2691         (min_max_operator): Delete.
2692         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
2693         (EASY_VECTOR_15): Moved to here.
2694         (EASY_VECTOR_15_ADD_SELF): Move to here.
2695         (PREDICATE_CODES): Delete.
2696         * config/rs6000/rs6000-protos.h: Delete predicate functions.
2697         Declare functions no longer static.
2698         * config/rs6000/predicates.md: New.
2699         * config/rs6000/rs6000.md: Include predicates.md
2700
2701 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
2702
2703         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
2704         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
2705         REG_ALWAYS_RETURN.
2706         * cfgrtl.c (need_fake_edge_p): Likewise.
2707         * combine.c (distribute_notes): Likewise.
2708         * emit-rtl.c (try_split): Likewise.
2709         * recog.c (peephole2_opimize): Likewise.
2710         * reg-notes.def (ALWAYS_RETURN): Remove.
2711         * rtl.h (LCT_ALWAYS_RETURN): Remove.
2712         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
2713         * tree.h (ECF_ALWAYS_RETURN): Remove.
2714
2715 2005-02-28  Roger Sayle  <roger@eyesopen.com>
2716
2717         PR middle-end/19874
2718         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
2719         between different machine modes is never a "useless" conversion.
2720
2721 2005-02-28  Geert Bosch  <bosch@gnat.com>
2722
2723         PR ada/15977
2724         * doc/contrib.texi: List contributors for Ada front end
2725
2726 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
2727
2728         * simplify-rtx.c (simplify_unary_operation_1,
2729         simplify_const_unary_operation): New, extracted from...
2730         (simplify_unary_operation): ... this one.
2731         (simplify_binary_operation_1,
2732         simplify_const_binary_operation): New, extracted from...
2733         (simplify_binary_operation): ... this one.
2734         * rtl.h (simplify_const_unary_operation,
2735         simplify_const_binary_operation): Add prototypes.
2736
2737 2005-02-28  Julian Brown  <julian@codesourcery.com>
2738
2739         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
2740         building libjava and caused PR regression/20228.
2741
2742 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
2743
2744         PR bootstrap/17383
2745         * Makefile.in (host_subdir): New.
2746         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
2747         * configure: Regenerate.
2748
2749 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
2750
2751         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
2752         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
2753         installation directory first.
2754
2755 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
2756
2757         PR target/19065.
2758         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
2759         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
2760         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
2761         * config/cris/cris.md: Tweak comments referring to Q.
2762         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
2763         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
2764         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
2765         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
2766         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
2767         Insert spaces in constraints to align alternatives vertically for
2768         readability.
2769         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
2770         operand 1: "M".
2771
2772 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2773
2774         PR rtl-optimization/17728
2775         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
2776         operand 0 from general_operand to move_dest_operand.
2777
2778 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2779
2780         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
2781         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
2782         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
2783         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
2784
2785 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
2786
2787         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
2788         * configure: Regenerate.
2789         * libada-mk.in: Remove CC; rename
2790         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
2791
2792 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
2793
2794         PR tree-opt/20188
2795         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
2796         for the lhs, also walk over the tree.  Likewise for rhs.
2797
2798 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
2799
2800         * tree-ssa-dom.c (simple_iv_increment_p): New function.
2801         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
2802         Do not propagate value of iv before increment over the increment.
2803
2804 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
2805
2806         * c-parser.c: New file.
2807         * c-parse.in: Remove.
2808         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
2809         Remove.
2810         (c-parser.o): Add dependencies.
2811         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
2812         maintainer-clean, TAGS): Update.
2813         * c-config-lang.in (gtfiles): Update.
2814         * gengtype-lex.l: Don't handle "@@".
2815         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
2816         objc_build_synchronized, objc_begin_try_stmt,
2817         objc_begin_catch_clause, objc_finish_catch_clause,
2818         objc_build_finally_clause, objc_finish_try_stmt): New.
2819         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
2820         type_seen_p.
2821         (c_parse_init): Update comment.
2822         * c-decl.c (c_init_decl_processing): Update comment.
2823         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
2824         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
2825         new c_declspecs members.
2826
2827 2005-02-25  Julian Brown  <julian@codesourcery.com>
2828
2829         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2830         from being used for symbols with vague linkage when
2831         HAVE_GAS_COMDAT_GROUP is true.
2832
2833 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2834
2835         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
2836
2837 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
2838
2839         PR target/19930
2840         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
2841         (LIBGCC2_HAS_DF_MODE): New.
2842         (LIBGCC2_HAS_XF_MODE): New.
2843         (LIBGCC2_HAS_TF_MODE): New.
2844         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2845         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2846         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2847         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2848         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
2849         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
2850         and add _fixtfdi, _fixunstfdi, _floatditf
2851         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
2852         L_fixunstfdi, L_floatditf.
2853         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
2854         (LIBGCC2_HAS_TF_MODE): Define.
2855
2856 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
2857
2858         PR tree-optimization/20204
2859         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
2860         REWRITE_THIS_STMT markers on PHI nodes.
2861         (rewrite_initialize_block): Likewise.
2862
2863 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2864
2865         * version.c (version_string): Update to 4.1.
2866
2867 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
2868
2869         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
2870         Clarify that the alternative way doesn't work in GNU C++.
2871
2872 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
2873
2874         PR tree-optimization/19937
2875         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
2876         to the type of the induction variable.
2877
2878 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2879
2880         PR rtl-optimization/20117
2881         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
2882         the block including noncopyable insn.
2883
2884 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2885
2886         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
2887         calls to find_reg_note.
2888
2889 2005-02-24  Richard Henderson  <rth@redhat.com>
2890
2891         PR tree-opt/20127
2892         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
2893         the type.
2894
2895 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
2896
2897         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
2898         vector types if to use base reg for misaligned non-word ld/std.
2899
2900 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2901
2902         PR target/14619
2903         * config/cris/cris.c (cris_target_asm_function_prologue): Create
2904         dwarf2 label manually and put it after, not before the prologue.
2905
2906 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
2907
2908         PR target/19019
2909         * reload.c (operands_match_p): Only increment register number for
2910         SCALAR_INT_MODE_P modes in multiple hard registers.
2911
2912         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
2913         Fix formatting.
2914
2915 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2916
2917         * ChangeLog.5: Fix log message typo(s).
2918         * ChangeLog.7: Likewise.
2919         * ChangeLog.tree-ssa: Likewise.
2920         * cfgexpand.c: Fix comment typo(s).
2921         * conflict.c: Likewise.
2922         * defaults.h: Likewise.
2923         * dwarf2out.c: Likewise.
2924         * gcse.c: Likewise.
2925         * ggc-page.c: Likewise.
2926         * tree-eh.c: Likewise.
2927         * tree-ssa-dom.c: Likewise.
2928
2929 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
2930
2931         PR target/19019
2932         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
2933         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
2934         if SHARED is defined.
2935
2936         PR target/20196
2937         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
2938         allow splitting only if operands 0 and 3 don't overlap.
2939
2940 2005-02-24  Richard Henderson  <rth@redhat.com>
2941
2942         PR middle-end/19953
2943         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
2944         (fold_builtin_1): Call them.
2945         * fold-const.c (fold_complex_mult_parts): Split out from ...
2946         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
2947         (fold_complex_div_parts, fold_complex_div): New.
2948         (fold): Use them.
2949         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
2950
2951 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2952
2953         * tree-ssa-ccp.c (visit_assignment): Verify that result of
2954         VIEW_CONVERT_EXPR is_gimple_min_invariant.
2955
2956         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
2957         (print_node): Likewise.
2958         Print TYPE_SIZES_GIMPLIFIED.
2959
2960 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2961
2962         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
2963         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
2964         operands as commutative in constraints.
2965
2966 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
2967
2968         * tree-into-ssa.c: Re-organize internal functions.
2969
2970 2005-02-24  Richard Henderson  <rth@redhat.com>
2971
2972         PR middle-end/18902
2973         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
2974         for c99.
2975         * common.opt (fcx-limited-range): New.
2976         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
2977         * toplev.c (flag_complex_method): Initialize to 1.
2978         (process_options): Set flag_complex_method to 0 if
2979         flag_cx_limited_range.
2980         * doc/invoke.texi (-fcx-limited-range): New.
2981
2982 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2983
2984         * cse.c (delete_trivially_dead_insns): Speed up by using
2985         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
2986         prev_real_insn.
2987
2988 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
2989
2990         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
2991         functions when -mid-shared-library is being used.
2992
2993 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2994
2995         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
2996         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
2997         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
2998         * system.h: Poison LINK_LIBGCC_SPECIAL.
2999
3000 2005-02-23  James E Wilson  <wilson@specifixinc.com>
3001
3002         * gengtype.c (note_insn_name): Make 1 element larger.
3003
3004 2005-02-23  Roger Sayle  <roger@eyesopen.com>
3005
3006         PR target/20018
3007         PR rtl-optimization/20097
3008         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
3009         BImode SUBREGs of SImode registers which confuse the ia64 backend.
3010
3011 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
3012
3013         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
3014         * t-aix52 (SHLIB_INSTALL): Same.
3015
3016 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
3017
3018         * genpreds.c: Update copyright.
3019
3020 2005-02-23  Michael Beach  <michaelb@ieee.org>
3021
3022         PR target/20159
3023         * config/sparc/t-elf (startup files): Assemble with CPP.
3024
3025 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
3026
3027         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
3028         (write_predicate_expr): Likewise.
3029
3030 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3031
3032         PR tree-optimization/20100
3033         PR tree-optimization/20115
3034         * tree-optimize.c (init_tree_optimization_passes): Remove
3035         pass_maybe_create_global_var.
3036         * tree-pass.h (pass_maybe_create_global_var): Remove.
3037         * tree-ssa-alias.c (aliases_computed_p): Declare.
3038         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
3039         (count_calls_and_maybe_create_global_var): Remove.
3040         (pass_maybe_create_global_var): Remove.
3041         (init_alias_info): Do not declare aliases_computed_p.
3042         (maybe_create_global_var): If the function contains no
3043         call-clobbered variables and a mix of pure/const and regular
3044         function calls, create .GLOBAL_VAR.
3045         Mark all call-clobbered variables for renaming.
3046         (merge_pointed_to_info): Update comment.
3047         (add_pointed_to_var): Likewise.
3048         (is_escape_site): Likewise.
3049         Accept struct alias_info * instead of size_t *.
3050         Update all users.
3051         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
3052         as necessary.
3053         * tree-ssa-operands.c (get_call_expr_operands): If
3054         ALIASES_COMPUTED_P is false, do not add call-clobbering
3055         operands.
3056         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
3057         (delete_tree_ssa): Likewise.
3058
3059 2005-02-22  James E Wilson  <wilson@specifixinc.com>
3060
3061         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
3062         (do_compile): Do call it here.
3063
3064 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3065
3066         PR rtl-optimization/20017.
3067         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
3068         rest_of_handle_cse2, rest_of_handle_gcse): Call
3069         delete_dead_jumptables immediately before calling cleanup_cfg.
3070
3071 2005-02-22  Devang Patel  <dpatel@apple.com>
3072
3073         PR 19952
3074         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
3075         all labels
3076
3077 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
3078
3079         * config/rs6000/aix.h (WINT_TYPE): Define.
3080
3081 2005-02-22  Stan Shebs  <shebs@apple.com>
3082
3083         * config/rs6000/rs6000.c (rs6000_override_options): Default to
3084         natural alignment for 64-bit Darwin.
3085         (rs6000_parse_alignment_option): Warn about uses of -malign-power
3086         on 64-bit Darwin.
3087         * doc/invoke.texi: Document this.
3088
3089 2005-02-22  DJ Delorie  <dj@redhat.com>
3090
3091         * c-common.c (c_common_type_for_mode): Pass the mode's precision
3092         to make_[un]signed_type, not the mode itself.
3093
3094 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3095
3096         * cfg.c (cached_make_edge): Call make_edge if edge cache is
3097         not available.  Use tail calls wherever possible.
3098         (make_edge): Call unchecked_make_edge to create an edge.
3099
3100         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
3101         (coalesce_ssa_name): Don't check for
3102         SSANORM_USE_COALESCE_LIST.
3103         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
3104
3105 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3106
3107         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
3108         (rewrite_into_ssa): ... here.
3109
3110 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
3111
3112         PR tree-optimization/19786
3113         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
3114         tag to another's may-alias bitmap when adding to the other's list.
3115
3116 2005-02-21  DJ Delorie  <dj@redhat.com>
3117
3118         * tree-ssa-loop-ivopts.c (computation_cost): Start register
3119         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
3120         registers in unsupported ways.
3121         * expmed.c (init_expmed): Likewise.
3122
3123 2005-02-21  Stan Cox  <scox@redhat.com>
3124
3125         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
3126
3127 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3128
3129         * tree-cfg.c (fold_cond_expr_cond): New.
3130         (make_edges): Call fold_cond_expr_cond.
3131         (find_taken_edge): Accept nothing but INTEGER_CST.
3132         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
3133         and 1.
3134         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
3135
3136         * flow.c (delete_dead_jumptables): Speed up by scanning insns
3137         that do not belong to any basic block.
3138
3139 2005-02-21  Jeff Law  <law@redhat.com>
3140
3141         * cfganal.c (find_unreachable_blocks): Manually CSE load of
3142         e->dest.
3143
3144 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3145
3146         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
3147         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
3148         Adjust their definitions.
3149         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
3150         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
3151
3152         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
3153         genautomata.c, langhooks.c, langhooks.h, system.h,
3154         config/arm/lib1funcs.asm: Update copyright.
3155
3156 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3157
3158         * dbxout.c (dbxout_function_end): Emit Lscope label always.
3159
3160 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
3161
3162         PR bootstrap/13770
3163         * doc/install.texi: Document --with-gc.
3164
3165 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
3166
3167         * simplify-rtx.c (simplify_unary_operation): Add a missing
3168         "break" statement.
3169
3170 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3171
3172         PR tree-optimization/18663
3173         * tree-ssa-dom.c (extract_range_from_cond): Return 0
3174         if the type has variable bounds.
3175
3176 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
3177
3178         * gcse.c: Remove an obsolete comment.
3179
3180         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
3181
3182 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
3183
3184         * doc/extend.texi (Function Attributes) <Attribute const>: The
3185         attribute "pure" is below this text, not above.
3186
3187 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3188
3189         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
3190         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
3191         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
3192
3193 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
3194
3195         PR 18785
3196         * langhooks.h (struct lang_hooks): Add to_target_charset.
3197         * langhooks.c (lhd_to_target_charset): New function.
3198         * langhooks-def.h: Declare lhd_to_target_charset.
3199         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
3200         (LANG_HOOKS_INITIALIZER): Update.
3201         * c-common.c (c_common_to_target_charset): New function.
3202         * c-common.h: Declare it.
3203         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
3204         c_common_to_target_charset.
3205
3206         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
3207         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
3208         Delete definitions.
3209         * system.h: Poison them.
3210         * doc/tm.texi: Don't discuss them.
3211         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
3212         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
3213         (pp_c_char): Do not attempt to generate letter escapes for
3214         newline, tab, etc.
3215         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
3216         * config/mips/mips.c (mips_output_ascii): Likewise.
3217
3218 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
3219
3220         PR tree-optimization/19951
3221         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
3222         is abnormal.
3223
3224 2005-02-19  Steven Bosscher  <stevenb@suse.de>
3225
3226         PR middle-end/19698
3227         * function.h (struct function): New field `max_loop_depth'.
3228         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
3229         (flow_loops_find): Reset the max loop depth count before finding loops.
3230         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
3231         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
3232         (calculate_global_regs_live): Make sure the loop will terminate
3233         when the initial sets are not empty.
3234
3235 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
3236
3237         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
3238         object inside.
3239         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
3240
3241 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
3242
3243         PR other/19525
3244         * doc/invoke.texi: Remove documentation of %M spec.
3245         * gcc.c: Likewise.
3246         (init_spec): Remove %M suffix from -lgcc_s.
3247         (do_spec_1): Remove 'M' case.
3248         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
3249         to put shared libraries in the multilib directory.  Remove the
3250         shlib_so_soname substitution variable.  Don't add a multilib encoding
3251         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
3252         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
3253         SHLIB_INSTALL as well as SHLIB_LINK.
3254         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
3255         (SHLIB_NAME): Delete.
3256         (SHLIB_DIR): New macro.
3257         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
3258         (SHLIB_INSTALL): Adjust accordingly.
3259         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
3260         * config/t-slibgcc-sld: Likewise.
3261         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
3262         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
3263         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
3264         in $(SHLIB_DIR).
3265         (SHLIBUNWIND_INSTALL): Adjust accordingly.
3266         * config/i386/t-nwld (SHLIB_SONAME): Delete.
3267         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
3268         Use @shlib_base_name@ instead of @shlib_so_name@.
3269         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
3270         and @shlib_base_name@.so in @multilib_dir@.
3271         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
3272         to the install path.
3273         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
3274         (SHLIB_LINK): Remove previous workaround.
3275         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
3276         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
3277         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
3278         the install path.
3279         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
3280         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
3281         (SHLIB_INSTALL): Adjust accordingly.
3282         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
3283         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
3284         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
3285         config/t-slibgcc-elf-ver.
3286
3287 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
3288             Jakub Jelinek  <jakub@redhat.com>
3289
3290         PR tree-optimization/19828
3291         * tree-ssa-loop-im.c: Add a TODO comment.
3292         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
3293         without side-effects.
3294
3295 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
3296
3297         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
3298         call fold_convert.
3299
3300 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
3301
3302         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
3303         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
3304         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
3305         functions.
3306         (ia64_reorg): Delete fixup_errata call.
3307         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
3308         (TARGET_SWITCHES): Delete -mb-step entry.
3309
3310 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
3311
3312         PR c/20043
3313         * c-typeck.c (composite_type): Handle quals in transparent unions.
3314         (type_lists_compatible_p): Likewise.
3315
3316 2005-02-18  Stan Shebs  <shebs@apple.com>
3317
3318         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
3319         expressions in the .literal8 section.
3320
3321 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
3322
3323         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
3324
3325 2005-02-18  Roger Sayle  <roger@eyesopen.com>
3326
3327         * fold-const.c (constant_boolean_node): Always create values of the
3328         specified type, don't bother calling truthvalue_conversion.
3329
3330 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3331
3332         * except.c (output_function_exception_table): Call
3333         assemble_external_libcall (eh_personality_libfunc).
3334
3335 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3336
3337         PR target/19886
3338         * config/ia64/ia64.h (struct machine_function): Add state_num.
3339         * config/ia64/ia64.c (process_epilogue,
3340         process_for_unwind_directive): Use new unwind state numbers each
3341         time rather than state 1.
3342
3343 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
3344
3345         PR target/20054
3346         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
3347         before the "*llgt_didi" pattern.
3348
3349 2005-02-18  Jason Merrill  <jason@redhat.com>
3350
3351         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
3352
3353 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
3354
3355         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
3356         (div0): Use it in place of ARM_FUNC_ALIAS.
3357         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
3358
3359 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
3360
3361         PR middle-end/20030
3362         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
3363         access, the lower bound of the array type if it exists.
3364
3365 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
3366
3367         PR c++/20008
3368         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
3369         cases that are out-of-range for the index type.
3370
3371 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
3372
3373         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
3374         (estimate_case_costs): Don't call convert.
3375         * expmed.c (expand_shift): Likewise.
3376         (make_tree): Call fold_convert instead of convert.
3377
3378 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
3379
3380         PR c++/19813
3381         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
3382         that ref to be marked MEM_READONLY_P doesn't have base that needs
3383         constructing.
3384
3385 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3386
3387         * genautomata.c (output_get_cpu_unit_code_func,
3388         output_cpu_unit_reservation_p): Don't generate old-style function
3389         definitions.
3390
3391 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
3392
3393         PR c++/20023
3394         PR tree-optimization/20009
3395         * convert.c (convert_to_integer): Revert 2005-02-16 change.
3396
3397         PR tree-optimization/18947
3398         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
3399         inline, remove all nodes that are inlined into the extern inline
3400         being redefined.
3401
3402 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
3403
3404         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
3405         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
3406         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
3407         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
3408         Update copyright.
3409
3410 2005-02-17  Roger Sayle  <roger@eyesopen.com>
3411
3412         PR tree-optimization/19917
3413         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
3414         to be potentially trapping.
3415
3416 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
3417
3418         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
3419
3420 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3421
3422         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
3423         tem becomes a local variable which is set to the value of the
3424         back end defined INITIAL_FRAME_ADDRESS macro.
3425         (expand_builtin_frame_address): Omit the base parameter to
3426         expand_builtin_return_addr.
3427         (expand_builtin_profile_func): Likewise.
3428         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
3429         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
3430         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
3431
3432 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
3433
3434         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
3435         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
3436         * config/frv/frv.c (frv_function_epilogue): Likewise.
3437
3438 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
3439
3440         * lambda-code (perfect_nestify): Remove mark/unmark
3441         for rewriting hack.
3442         * tree-loop-linear.c (linear_transform_loops): Add
3443         rewrite_into_ssa call so that ssa is correct for
3444         rewriting into loop closed.
3445
3446 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
3447
3448         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
3449         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
3450         BITMAP_FREE.
3451         * bt-load.c (btr_def_live_range, combine_btr_defs,
3452         migrate_btr_def, migrate_btr_defs): Likewise.
3453         * cfgcleanup.c (thread_jump): Likewise.
3454         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
3455         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
3456         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
3457         df_rd_local_compute, df_reg_info_compute): Likewise.
3458         * dominance.c (init_dom_info, free_dom_info): Likewise.
3459         * flow.c (init_propagate_block_info,
3460         free_propagate_block_info): Likewise.
3461         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
3462         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
3463         modify_reg_pav): Likewise.
3464         * loop-invariant.c (find_defs, find_invariant_insn,
3465         find_invariants, free_inv_motion_data): Likewise.
3466         * predict.c (tree_predict_by_opcode,
3467         estimate_bb_frequencies): Likewise.
3468         * stmt.c (expand_case): Likewise.
3469         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
3470         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
3471         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
3472         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
3473         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
3474         rewrite_ssa_into_ssa): Likewise.
3475         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3476         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
3477         analyze_edges_for_bb, perform_edge_inserts): Likewise.
3478         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
3479         * tree-sra.c (tree_sra): Likewise.
3480         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
3481         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
3482         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
3483         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
3484         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
3485         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
3486         Likewise.
3487         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
3488         calculate_live_on_entry, calculate_live_on_exit,
3489         build_tree_conflict_graph): Likewise.
3490         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
3491         record_important_candidates, set_use_iv_cost, find_depends,
3492         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
3493         tree_ssa_iv_optimize_finalize): Likewise.
3494         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
3495         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
3496         tree_duplicate_loop_to_header_edge): Likewise.
3497         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
3498         * tree-ssa.c (verify_flow_insensitive_alias_info,
3499         verify_name_tags, verify_ssa, init_tree_ssa,
3500         delete_tree_ssa): Likewise.
3501         * tree-ssanames.c (marked_ssa_names, init_ssanames,
3502         fini_ssanames): Likewise.
3503         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
3504
3505 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
3506
3507         * config/rs6000/t-rtems: Completely reworked.
3508
3509 2005-02-17  Ira Rosen  <irar@il.ibm.com>
3510
3511         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
3512
3513 2005-02-17  Ira Rosen  <irar@il.ibm.com>
3514
3515         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
3516         POINTER_TYPE_P when checking that type is a pointer.
3517         (vect_get_memtag): Remove.
3518         (vect_address_analysis): Use POINTER_TYPE_P. Call
3519         vect_object_analysis with dummy parameter for memtag.
3520         (vect_object_analysis): Extract memtag (functionality that
3521         used to be in vect_get_memtag and moved here). Fix printings.
3522         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
3523         with correct parameters. Remove call to vect_get_memtag.
3524
3525 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
3526
3527         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
3528         (tree-vectorizer.o): Added missing dependencies.
3529
3530         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
3531         decleration.
3532         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
3533         declaration in tree-vectorizer.c, now has an extern declaration in
3534         tree-vectorizer.h).
3535         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3536         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
3537         get_vectype_for_scalar_type, vect_is_simple_use,
3538         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
3539         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
3540         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
3541         vectorizable_store, vectorizable_operation, vectorizable_assignment,
3542         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
3543         find_loop_location): Likewise.
3544
3545         * tree-vectorizer.c (langhooks.h): #include removed.
3546         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
3547         moved to tree-vectorized.h.
3548         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
3549         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
3550         get_vectype_for_scalar_type, vect_is_simple_use,
3551         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
3552         vect_supportable_dr_alignment, new_loop_vec_info,
3553         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
3554         vect_set_verbosity_level, find_loop_location): Likewise.
3555
3556         (vect_analyze_loop): Function externalized. Declaration moved to
3557         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
3558         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
3559         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
3560         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
3561         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
3562         vect_enhance_data_refs_alignment, vect_analyze_operations,
3563         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
3564         vect_stmt_relevant_p, vect_get_loop_niters,
3565         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
3566         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
3567         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
3568         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
3569         vect_get_memtag): Likewise.
3570
3571         (vectorizable_load): Function externalized. Declaration moved to
3572         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
3573         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
3574         vect_transform_loop): Likewise.
3575         (vect_transform_stmt): Moved to tree-vect-transform.c.
3576         (vect_align_data_ref, vect_create_destination_var,
3577         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
3578         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
3579         vect_get_vec_def_for_operand, vect_init_vector,
3580         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
3581         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
3582         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
3583         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
3584         vect_do_peeling_for_loop_bound): Likewise.
3585
3586         * tree-vect-analyze.c: New file.
3587         * tree-vect-transform.c: New file.
3588
3589 2005-02-17  Jason Merrill  <jason@redhat.com>
3590
3591         PR mudflap/19319, c++/19317
3592         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
3593         slot explicit.
3594
3595 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
3596
3597         * doc/install.texi (Specific): Update link for Darwin-specific
3598         tool binary site.
3599
3600 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
3601
3602         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
3603         constant_boolean_node.
3604
3605 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
3606
3607         PR target/19019
3608         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
3609         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
3610
3611 2005-02-16  Richard Henderson  <rth@redhat.com>
3612
3613         PR 19920
3614         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
3615         with W_TYPE_SIZE.
3616         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
3617         replace uses with Wtype_MAXp1_F.
3618         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
3619         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
3620         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
3621         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
3622         and HAVE_TFMODE as appropriate.
3623         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
3624         (__floatdisf): Likewise.
3625         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
3626         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
3627         (Wtype_MAXp1_F): New.
3628         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
3629         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
3630
3631 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
3632
3633         * PR target/19162
3634         * arm.c (arm_apply_result_size): New function.
3635         * arm.h (APPLY_RESULT_SIZE): Define.
3636         * arm-protos.h (arm_apply_result_size): Add prototype.
3637         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
3638         (movxf): New expand.
3639         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
3640         (call_value_symbol): Remove predicate for operand 0.
3641         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
3642         (untyped_call): Rework to correclty return values for any type.
3643         (untyped_return): New expand.
3644         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
3645
3646 2005-02-16  Stan Shebs  <shebs@apple.com>
3647
3648         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
3649         * config/rs6000/t-darwin8: New, for 64-bit multilib.
3650
3651 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
3652
3653         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
3654         configure settings on Solaris 7 and later.
3655
3656 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
3657
3658         PR tree-optimization/19865
3659         * tree-optimize.c (init_tree_optimization_passes): Run
3660         pass_may_alias after pass_sra.
3661
3662 2005-02-16  Richard Henderson  <rth@redhat.com>
3663             Stuart Hastings  <stuart@apple.com>
3664
3665         PR debug/19521
3666         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
3667         Do nothing if debug info suppressed for this function.
3668         (dbxout_begin_function): Early exit if debug info suppressed for
3669         this function.
3670
3671 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
3672
3673         PR target/20007
3674         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
3675         find_basic_blocks.
3676         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
3677
3678         PR tree-optimization/19967
3679         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
3680         expand_builtin_strchr, expand_builtin_strrchr): Take a new
3681         argument TYPE.  Adjust calls to fold_builtin_XXX.
3682         (expand_builtin, fold_builtin_1): Adjust calls to
3683         expand_builtin_XXX.
3684         (fold_builtin_strchr, fold_builtin_strpbrk,
3685         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
3686         result to a requested type TYPE.
3687
3688 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
3689
3690         PR middle-end/19857
3691         * fold-const.c (fold): Don't optimize (T)(x & cst) to
3692         (T)x & (T)cst if (T)cst overflows.
3693         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
3694         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
3695
3696 2005-02-15  Jeff Law  <law@redhat.com>
3697
3698         * gcse.c (blocks_with_calls): New bitmap.
3699         (alloc_gcse_mem): Allocate it.
3700         (free_gcse_mem): Free it.
3701         (clear_modifY_mem_tables): Clear it.
3702         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
3703         when we encounter CALL_INSNs.
3704         (compute_transp, case MEM): Handle blocks with calls separate
3705         from blocks without calls.  Use bitmap iterators rather than
3706         FOR_EACH_BB.
3707
3708 2005-02-15  Peter O'Gorman  <peter@pogma.com>
3709
3710         PR bootstrap/18810
3711         * mklibgcc.in (vis_hide): Use a temporary object file, not
3712         -o /dev/null.
3713
3714 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
3715
3716         PR target/19924
3717         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
3718         access optimization.
3719
3720 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
3721             Alan Modra  <amodra@bigpond.net.au>
3722
3723         PR target/19019
3724         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
3725         (_xlqsub): Rename to __gcc_qsub.
3726         (_xlqmul): Rename to __gcc_qmul.
3727         (_xlqdiv): Rename to __gcc_qdiv.
3728         Provide versioned symbol aliases with old names.
3729         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
3730         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
3731         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
3732         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
3733         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
3734
3735 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
3736
3737         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
3738         Fold ~(A - 1) and ~(A + -1) to -A.
3739
3740 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
3741
3742         PR pch/14940
3743         PR target/19300
3744         * config/host-linux.c (linux_gt_pch_use_address): Copy from
3745         config/pa/pa-host.c:pa_gt_pch_use_address.
3746
3747 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
3748
3749         * tree-vn.c (get_value_handle): Make sure that given an
3750         is_gimple_min_invariant expression, we always return it.
3751
3752 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
3753
3754         * passes.c (rest_of_handle_gcse): Fix a comment.
3755
3756 2005-02-15  Jeff Law  <law@redhat.com>
3757
3758         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
3759         bitmap.
3760         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
3761         (canon_list_insert, record_last_mem_set_info): Similarly.
3762         (clear_modify_mem_tables): Similarly.
3763
3764 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
3765
3766         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
3767         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
3768         config/mips/mips.md, config/rs6000/aix.h,
3769         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
3770
3771 2005-02-15  Richard Henderson  <rth@redhat.com>
3772
3773         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
3774         call to be best_edge.
3775
3776 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
3777
3778         * basic-block.h: Adjust the prototype for find_basic_blocks.
3779         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
3780         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
3781         find_basic_blocks.
3782
3783         * flow.c (recompute_reg_usage): Remove all arguments.
3784         * passes.c (rest_of_compilation): Adjust the call to
3785         recompute_reg_usage.
3786         * rtl.h: Adjust the prototype for recompute_reg_usage.
3787
3788 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
3789
3790         * tree-dump.c (dump_files): Update to reflect new member
3791         of dump_file_info.
3792         (dump_register): Add new argument.
3793         Set glob name.
3794         (dump_switch_p_1): Check against glob name if doglob was passed.
3795         (dump_switch_p): Check against regular first, then glob if
3796         we didn't have any hits on the dump name.
3797         * tree-optimize.c (register_one_dump_file):
3798         Pass in glob name as well.
3799         * tree-pass.h (struct dump_file_info): Add glob
3800         member.
3801
3802 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
3803
3804         PR preprocessor/16323
3805         * doc/invoke.texi: Document that -Wendif-labels is on by default.
3806
3807 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
3808
3809         PR target/19019
3810         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
3811         (trunctfdf2_internal1): New.
3812         (trunctfdf2_internal2): Renamed from trunctfdf2.
3813
3814 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
3815
3816         PR tree-optimization/19853
3817         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
3818
3819 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
3820
3821         * passes.c (rest_of_handle_loop_optimize): Remove calls to
3822         delete_dead_jumptables and cleanup_cfg.
3823
3824 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
3825
3826         * reload.c (find_reloads): Swap address_reloaded flags when
3827         swapping commutative operands.
3828
3829 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
3830
3831         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
3832         Use standard_iv_increment_position for computing the bsi position
3833         for create_iv.
3834         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
3835         the bsi position.
3836
3837 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
3838
3839         PR target/17428
3840         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
3841         life range of hard registers.
3842         * value-prof.c (insn_prefetch_values_to_profile): Only
3843         scan normal insns.
3844
3845         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
3846         profile in libcalls.
3847
3848 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
3849
3850         * bitmap.h (bitmap_and_compl_into): Return bool.
3851         * bitmap.c (bitmap_and_compl_into): Return changed flag.
3852
3853 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
3854
3855         PR tree-optimization/19944
3856         * fold-const.c (fold): Re-add ABS_EXPR folding.
3857
3858 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
3859
3860         PR target/19019
3861         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
3862         {TARGET,MASK}_XL_COMPAT.
3863         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
3864         MASK_XL_COMPAT.
3865         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
3866         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
3867         TARGET_XL_COMPAT.
3868         (rs6000_arg_partial_bytes): Same.
3869         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
3870         and XL compatibility enabled.
3871         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
3872         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
3873         test to final condition.
3874         (cmptf_internal2): New.
3875         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
3876         xl-compat.  Add TFmode information to description.
3877
3878 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
3879
3880         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
3881
3882 2005-02-13  Jason Merrill  <jason@redhat.com>
3883
3884         PR c++/16405
3885         * fold-const.c (fold_indirect_ref_1): Split out from...
3886         (build_fold_indirect_ref): Here.
3887         (fold_indirect_ref): New fn.
3888         * tree.h: Declare it.
3889         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
3890         (gimplify_modify_expr_rhs): Likewise.
3891         (gimplify_expr): Likewise.
3892
3893 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
3894
3895         PR tree-optimization/14303
3896         PR tree-optimization/15784
3897         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
3898         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
3899         ABS_EXPR<x> != 0 to x != 0.
3900
3901 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
3902
3903         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
3904         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
3905         spelling conventions.
3906
3907         * passes.c (rest_of_handle_gcse): Don't run cse_main and
3908         delete_trivially_dead_insns too many times.
3909
3910         * passes.c (rest_of_handle_gcse): Remove dead assignments to
3911         tem and tem2.
3912
3913 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3914
3915         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
3916         (vect_is_simple_iv_evolution): Remove redundant parameter
3917         and step check.
3918         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
3919         without last parameter.
3920         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
3921         Return pointer step. Call vect_is_simple_iv_evolution without
3922         last parameter. Check only that the step is multiple of size
3923         type. Remove stmt_vinfo updates.
3924         (vect_get_memtag_and_dr): Remove.
3925         (vect_get_memtag): New function.
3926         (vect_address_analysis): New function.
3927         (vect_object_analysis): New function.
3928         (vect_analyze_data_refs): Call vect_object_analysis and
3929         vect_get_memtag. Update stmt_vinfo fields.
3930
3931 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3932
3933         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
3934         exist and are objects. Remove checks for pointer.
3935         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
3936         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
3937         (vect_create_data_ref_ptr): Likewise.
3938         (vect_base_addr_differ_p): New function.
3939         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
3940         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
3941         Don't set the DR_BASE_NAME field of data-ref.
3942         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
3943
3944 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
3945
3946         * optabs.h (enum optab_index): Add new OTI_ldexp.
3947         (ldexp_optab): Define corresponding macro.
3948         * optabs.c (init_optabs): Initialize ldexp_optab.
3949         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
3950         patterns.
3951         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
3952         using ldexp_optab.
3953         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
3954         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
3955
3956         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
3957         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
3958         intrinsics.
3959
3960 2005-02-12  Ira Rosen  <irar@il.ibm.com>
3961
3962         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
3963         to base_address.
3964         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
3965         stmt_vec_info.
3966         (vect_get_base_and_offset): Always return an address.
3967         (vect_create_addr_base_for_vector_ref): Remove treatment for
3968         different data reference types.
3969         (vect_compute_data_ref_alignment): Rename base to base_address in
3970         stmt_vec_info. Get the object in order to force its alignment.
3971         (vect_get_memtag_and_dr): Rename base to base_address in
3972         stmt_vec_info. Extract the object for memtag analysis.
3973
3974 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
3975
3976         PR regression/19898.
3977         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
3978         changes cc_status, use apply modified_in_p to part of cc_status
3979         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
3980         body.
3981
3982 2005-02-11  Richard Henderson  <rth@redhat.com>
3983
3984         * tree-complex.c (expand_complex_libcall): New.
3985         (expand_complex_multiplication): Use it for c99 compliance.
3986         (expand_complex_division): Likewise.
3987         * fold-const.c (fold_complex_add, fold_complex_mult): New.
3988         (fold): Call them.
3989         * builtins.c (built_in_names): Remove const.
3990         * tree.c (build_common_builtin_nodes): Build complex arithmetic
3991         builtins.
3992         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
3993         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
3994         (built_in_names): Remove const.
3995         * c-common.c (c_common_type_for_mode): Handle complex modes.
3996         * flags.h, toplev.c (flag_complex_method): Rename from
3997         flag_complex_divide_method.
3998         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
3999         __mulsc3, __muldc3, __mulxc3, __multc3): New.
4000         * libgcc2.h: Declare them.
4001         * libgcc-std.ver: Export them.
4002         * mklibgcc.in (lib2funcs): Build them.
4003
4004 2005-02-11  Steven Bosscher  <stevenb@suse.de>
4005
4006         PR tree-optimization/19876
4007         Partially revert my change from 2005-01-14
4008         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
4009         (compute_antic): ...and remove the loop here.
4010
4011 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
4012
4013         PR middle-end/19858
4014         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
4015         is number of inner's bits, avoid creating a BIT_FIELD_REF.
4016
4017         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
4018         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
4019
4020 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
4021
4022         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4023         offsets for the big-endian 32-bit case.
4024
4025 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
4026
4027         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
4028
4029 2005-02-11  Dale Johannesen  <dalej@apple.com>
4030
4031         * cselib.c (cselib_process_insn):  Clear out regs where
4032         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
4033         * reload.c (find_equiv_reg): Ditto.
4034
4035 2005-02-11  Ian Lance Taylor  <ian@airs.com>
4036
4037         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
4038         with no elements.
4039
4040         * tree.c (build_function_type_list): Work correctly if there are
4041         no arguments.
4042
4043 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
4044
4045         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
4046         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
4047         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
4048         TARGET_ZARCH instead of TARGET_64BIT.
4049
4050 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
4051
4052         * config/rs6000/t-rtems:
4053         (MULTILIB_OPTIONS): Remove mcpu=602.
4054         (MUTLILIB_DIRNAMES): Remove m602.
4055         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
4056         Let mcpu=602 match mcpu=603.
4057         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
4058
4059 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4060
4061         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
4062         signal trampolines.
4063
4064 2005-02-10  David Daney  <ddaney@avtrex.com>
4065
4066         * config/alpha/linux-unwind.h: Add exception clause to copyright.
4067         * config/i386/linux-unwind.h: Likewise.
4068         * config/ia64/linux-unwind.h: Likewise.
4069         * config/mips/linux-unwind.h: Likewise.
4070         * config/pa/linux-unwind.h: Likewise.
4071         * config/rs6000/linux-unwind.h: Likewise.
4072         * config/s390/linux-unwind.h: Likewise.
4073         * config/sh/linux-unwind.h: Likewise.
4074         * config/sparc/linux-unwind.h: Likewise.
4075
4076 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4077
4078         PR tree-optimization/17549
4079         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
4080         TER to replace a DEF with its expression if the DEF and the
4081         rhs of the expression we replace into have the same root
4082         variable.
4083
4084 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
4085
4086         * config/mips/mips.md: Fix the placement of the match_scratch in the
4087         lea64 peephole2.
4088
4089 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
4090
4091         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
4092         Fix comment typos.
4093
4094 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
4095
4096         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
4097         (strip_offset): Handle addresses.
4098         (add_address_candidates): Use strip_offset.
4099         (difference_cost): Reflect strip_offset change.
4100         (force_var_cost, difference_cost): Strip nops.
4101
4102 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
4103
4104         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
4105
4106         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
4107         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
4108         config/cris/cris-protos.h, config/cris/cris.c: Update
4109         copyright.
4110
4111 2005-02-10  Jeff Law  <law@redhat.com>
4112
4113         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
4114         (lookup_avail_expr): Similarly.
4115
4116 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
4117
4118         * builtins.c (fold_builtin_powi): New function.
4119         (fold_builtin_1): Call it.
4120
4121 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4122
4123         PR documentation/19309
4124         * doc/cpp.texi: The __GNUC__ and related predefined macros
4125         are also defined for the "standalone" cpp.
4126         Some non-GCC compilers may also define __GNUC__.
4127
4128 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
4129
4130         PR c/19342
4131         * c-typeck.c (common_type): New routine.  Old common_type renamed
4132         to...
4133         (c_common_type): ...this.
4134         (build_conditional_expr, build_binary_op): Use c_common_type instead
4135         of common_type.
4136
4137 2005-02-10  Steven Bosscher  <stevenb@suse.de>
4138
4139         * doc/md.texi: Replace @samp{length} with @code{length}.
4140
4141 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
4142
4143         PR tree-optimization/18687
4144         * tree-flow.h (find_loop_niter): Declare.
4145         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4146         Try using scev even for loops with more than one exit.
4147         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
4148         (struct ivopts_data): Added niters field.
4149         (struct nfe_cache_elt): New.
4150         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
4151         functions.
4152         (tree_ssa_iv_optimize_init): Initialize niters cache.
4153         (determine_number_of_iterations): Removed.
4154         (find_induction_variables): Do not call determine_number_of_iterations.
4155         Access niters for single exit through niter_for_single_dom_exit.
4156         (add_iv_outer_candidates): Access niters for single exit through
4157         niter_for_single_dom_exit.
4158         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
4159         number_of_iterations_cond.
4160         (iv_period): New function.
4161         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
4162         (may_replace_final_value): Take data argument.  Use
4163         niter_for_single_dom_exit.
4164         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
4165         (rewrite_use_compare): Pass data to may_eliminate_iv.
4166         (rewrite_use_outer): Pass data to may_replace_final_value.
4167         (free_loop_data): Clean up the niters cache.
4168         (tree_ssa_iv_optimize_finalize): Free the niters cache.
4169         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
4170         * tree-ssa-loop-niter.c (find_loop_niter): New function.
4171         (find_loop_niter_by_eval): Use tree_int_cst_lt.
4172         (num_ending_zeros): Moved to tree.c.
4173         * tree.h (num_ending_zeros): Declare.
4174         * tree.c (num_ending_zeros): Moved from tree.c.
4175
4176 2005-02-09  Richard Henderson  <rth@redhat.com>
4177
4178         * builtins.c (DEF_BUILTIN): Add COND argument.
4179         * tree.h (DEF_BUILTIN): Likewise.
4180         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
4181         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
4182         match.
4183         (DEF_BUILTIN_STUB): New.
4184         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
4185         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
4186         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
4187         * c-common.c (DEF_BUILTIN): Add COND argument.
4188         * tree.c (local_define_builtin): New.
4189         (build_common_builtin_nodes): New.
4190
4191 2005-02-09  Roger Sayle  <roger@eyesopen.com>
4192
4193         * fold-const.c (fold_strip_sign_ops): New function to simplify a
4194         floating point expression ignoring the sign of the result.
4195         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
4196         (fold) <MULT_EXPR>: Use it to simplify x*x.
4197         * tree.h (fold_strip_sign_ops): Prototype here.
4198         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
4199         argument.  Use fold_strip_sign_ops to simplify the first argument.
4200         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
4201         first argument when the second argument is an even integer
4202         constant, but only with -funsafe_math_optimizations.
4203         (fold_builtin_1): Update call to fold_builtin_copysign.
4204
4205 2005-02-09  Ian Lance Taylor  <ian@airs.com>
4206
4207         PR middle-end/19583
4208         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
4209         just check whether EH_FILTER_FAILURE falls through.
4210
4211 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4212
4213         * gcc/haifa-sched.c (schedule_block): Make queued sched group
4214         insns return to ready list in the next turn.
4215
4216 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
4217
4218         PR middle-end/19402
4219         * builtins.def: New __builtin_powi[lf].
4220         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
4221         (expand_builtin_powi): New function.
4222         (expand_builtin): Dispatch to expand_builtin_powi.
4223         * libgcc2.h: Add prototypes for __builtin_powi[lf].
4224         * libgcc2.c: Add __builtin_powi[lf] implementation.
4225         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
4226         * optabs.h: Add powi_optab.
4227         * optabs.c (init_optabs): Initialize powi_optab.
4228         * doc/extend.texi: Document __builtin_powi[lf].
4229
4230 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
4231
4232         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
4233         exists.
4234
4235 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
4236
4237         PR middle-end/19854
4238         * fold-const.c (try_move_mult_to_index): Remove redundant
4239         type argument.  Create ADDR_EXPR with correct type.
4240         (fold): Update callers of try_move_mult_to_index.  Convert
4241         result to the appropriate type.
4242
4243 2005-02-09  Roger Sayle  <roger@eyesopen.com>
4244
4245         PR target/19597
4246         * config/avr/avr.c (default_rtx_costs): Delete.
4247         (avr_operand_rtx_cost): New function.
4248         (avr_rtx_costs): Completely rewrite.
4249
4250 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
4251
4252         PR target/19806
4253         * config/cris/cris.c (in_code): New variable.
4254         (cris_output_addr_const): Now a static function, a wrapper for
4255         output_addr_const.
4256         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
4257         case from old cris_output_addr_const.
4258         (cris_asm_output_label_ref): Similar for LABEL_REF.
4259         (cris_output_addr_const_extra): Similar for UNSPEC.
4260         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
4261         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
4262         * config/cris/cris-protos.h (cris_output_addr_const): Remove
4263         declaration.
4264         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
4265         (cris_asm_output_label_ref): Declare.
4266
4267 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
4268
4269         PR preprocessor/19801
4270         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
4271         filenames that changed when libcpp was moved to the toplevel.
4272
4273 2005-02-07  Roger Sayle  <roger@eyesopen.com>
4274
4275         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
4276         zero extensions of BImode operands.  Call lowpart_subreg instead
4277         of gen_lowpart_common and gen_lowpart_SUBREG.
4278
4279 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
4280
4281         PR ada/19489
4282         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
4283         * configure.ac: Set cc_for_cross_gnattools.
4284         * configure: Regenerate.
4285
4286 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
4287
4288         PR target/19803
4289         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
4290
4291 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
4292
4293         PR debug/19327
4294         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
4295         of nested functions.
4296
4297 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
4298
4299         * doc/extend.texi: Document deprecated extensions allowing
4300         static floating-point members to have initializers and allowing
4301         floating-point literals in integral constant expressions.
4302
4303 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
4304
4305         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
4306         config/darwin7.h, config/mips/mips.c,
4307         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
4308         Update copyright.
4309
4310         * cse.c: Update comments.
4311
4312 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
4313
4314         PR middle-end/19775
4315         * builtins.c (fold_builtin_sqrt): Transform
4316         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
4317         pow(x,y*0.5).
4318
4319 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
4320             Dorit Naishlos  <dorit@il.ibm.com>
4321
4322         * doc/invoke.texi (ftree-vectorizer-verbose): New.
4323         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
4324         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
4325         was added.
4326         * tree.h (vect_set_verbosity_level): New extern function declaration
4327         added.
4328         * tree-vectorizer.h (verbosity_levels): New enum type.
4329         * tree-vectorizer.c (vect_debug_stats): Function removed.
4330         (vect_debug_details): Likewise.
4331         (vect_verbosity_level): Global variable was defined and initialized.
4332         (vect_dump): Global variable definition.
4333         (vect_print_dump_info): New function.
4334         (vect_set_dump_settings): New function.
4335         (vect_set_verbosity_level): New function.
4336         (vectorize_loops): Add call to vect_set_dump_settings.
4337
4338         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
4339         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
4340         (slpeel_tree_peel_loop_to_edge): Likewise.
4341
4342         (vect_analyze_offset_expr): Call to vect_print_dump_info with
4343         appropriate verbosity level instead of call to vect_debug_details
4344         or vect_debug_stats.
4345         (vect_get_base_and_offset):
4346         (vect_create_addr_base_for_vector_ref):
4347         (get_vectype_for_scalar_type):
4348         (vect_create_data_ref_ptr):
4349         (vect_init_vector):
4350         (vect_get_vec_def_for_operand):
4351         (vect_finish_stmt_generation):
4352         (vectorizable_assignment):
4353         (vectorizable_operation):
4354         (vectorizable_store):
4355         (vectorizable_load):
4356         (vect_transform_stmt):
4357         (vect_update_ivs_after_vectorizer):
4358         (vect_do_peeling_for_loop_bound):
4359         (vect_update_inits_of_drs):
4360         (vect_do_peeling_for_alignment):
4361         (vect_transform_loop):
4362         (vect_is_simple_use):
4363         (vect_analyze_operations):
4364         (vect_is_simple_iv_evolution):
4365         (vect_analyze_scalar_cycles):
4366         (vect_analyze_data_ref_dependence):
4367         (vect_analyze_data_ref_dependences):
4368         (vect_compute_data_ref_alignment):
4369         (vect_enhance_data_refs_alignment):
4370         (vect_analyze_data_refs_alignment):
4371         (vect_analyze_data_ref_access):
4372         (vect_analyze_data_ref_accesses):
4373         (vect_analyze_pointer_ref_access):
4374         (vect_get_memtag_and_dr):
4375         (vect_analyze_data_refs):
4376         (vect_mark_relevant):
4377         (vect_stmt_relevant_p):
4378         (vect_mark_stmts_to_be_vectorized):
4379         (vect_can_advance_ivs_p):
4380         (vect_get_loop_niters):
4381         (vect_analyze_loop_form):
4382         (vect_analyze_loop):
4383         (vectorize_loops): Likewise.
4384
4385         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
4386         (vect_update_inits_of_drs):
4387         (vect_do_peeling_for_alignment):
4388         (vect_transform_loop):
4389         (vect_analyze_operations):
4390         (vect_analyze_scalar_cycles):
4391         (vect_analyze_data_ref_dependences):
4392         (vect_analyze_data_refs_alignment):
4393         (vect_analyze_data_ref_accesses):
4394         (vect_analyze_data_refs):
4395         (vect_mark_stmts_to_be_vectorized):
4396         (vect_get_loop_niters):
4397         (vect_analyze_loop_form):
4398         (vect_analyze_loop): Likewise.
4399         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
4400
4401 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
4402
4403         PR bootstrap/19796
4404         Revert:
4405         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
4406         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
4407         either -ffast-math or -funsafe-math-optimizations is in use.
4408
4409         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
4410         * config/mips/irix-csr.c: New file.
4411         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
4412         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
4413         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
4414         executables.
4415
4416 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
4417
4418         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
4419         redundant, incorrect definitions.
4420
4421         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
4422         expand.
4423         ("*tls_indirect_call"): New, reference hard regs directly.
4424         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
4425
4426 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
4427
4428         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
4429         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
4430
4431 2005-02-06  Roger Sayle  <roger@eyesopen.com>
4432
4433         PR rtl-optimization/19800
4434         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
4435         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
4436         gen_lowpart.
4437
4438 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
4439
4440         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
4441
4442 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
4443
4444         PR other/17135
4445         * doc/invoke.texi: Correct documentation of -freorder-functions.
4446
4447 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
4448
4449         PR other/14402
4450         * doc/invoke.texi: Don't mention gccbug.
4451
4452 2005-02-06  Roger Sayle  <roger@eyesopen.com>
4453             Andrew Pinski  <pinskia@physics.uc.edu>
4454             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
4455
4456         * simplify-rtx.c (simplify_relational_operation_1): Simplify
4457         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
4458         into just (zero_extract:SI FOO (const_int 1) BAR).
4459
4460 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
4461
4462         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
4463         macro locally.  Don't give last revision date.  Use GCC version
4464         number from gcc-common.texi.
4465         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
4466         revision date.  Use GCC version number from gcc-common.texi.
4467         Describe being a library as current state rather than as 3.x
4468         history.
4469         * doc/gcc.texi: Remove last update date.
4470         * doc/gccint.texi: Likewise.  Update copyright dates.
4471         * doc/install.texi: Update copyright dates.
4472
4473 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
4474
4475         PR other/7549
4476         * doc/invoke.texi: Mention for each option included in -Wall that
4477         it is included in -Wall.
4478         * doc/gcc.texi: Update copyright and last modification date.
4479
4480 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
4481
4482         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
4483         unnecessary cast to original induction variable increments.
4484
4485 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
4486
4487         PR tree-optimization/18219
4488         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
4489         in distributed form.
4490
4491 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
4492
4493         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
4494         Set bitpos and offset later in the function.  Do nothing if the
4495         target is a register and if the bitfield lies completely outside
4496         that register.
4497         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
4498         here.  Return an uninitialised register if the source value is stored
4499         in a register and the bitfield lies completely outside that register.
4500
4501 2005-02-06  Steven Bosscher  <stevenb@suse.de>
4502
4503         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
4504         not SET_DEST.
4505
4506 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
4507
4508         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
4509
4510 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
4511
4512         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
4513         * config/darwin8.h: New.
4514         * config/darwin7.h: Update comment.
4515
4516 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
4517             Dorit Naishlos  <dorit@il.ibm.com>
4518
4519         * tree-vectorizer.h (LOC): New type.
4520         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
4521         (loop_line_number): New field in struct _loop_vec_info.
4522         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
4523
4524         * tree-vectorizer.c (input.h): Included.
4525         (find_loop_location): New function.
4526         (vect_debug_stats): Argument changed from loop to LOC. Computation of
4527         loop line number removed.
4528         (vect_debug_details): Likewise.
4529         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
4530
4531         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
4532         call to vect_debug_details/stats changed from loop to loop_loc.
4533         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
4534         (slpeel_tree_peel_loop_to_edge): Likewise.
4535
4536         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
4537         changed from NULL to UNKNOWN_LOC.
4538         (vect_get_base_and_offset):
4539         (vect_create_addr_base_for_vector_ref):
4540         (get_vectype_for_scalar_type):
4541         (vect_create_data_ref_ptr):
4542         (vect_init_vector):
4543         (vect_get_vec_def_for_operand):
4544         (vect_finish_stmt_generation):
4545         (vectorizable_assignment):
4546         (vectorizable_operation):
4547         (vectorizable_store):
4548         (vectorizable_load):
4549         (vect_transform_stmt):
4550         (vect_update_ivs_after_vectorizer):
4551         (vect_do_peeling_for_loop_bound):
4552         (vect_do_peeling_for_alignment):
4553         (vect_transform_loop):
4554         (vect_is_simple_use):
4555         (vect_analyze_operations):
4556         (vect_is_simple_iv_evolution):
4557         (vect_analyze_scalar_cycles):
4558         (vect_analyze_data_ref_dependences):
4559         (vect_compute_data_ref_alignment):
4560         (vect_enhance_data_refs_alignment):
4561         (vect_analyze_data_ref_access):
4562         (vect_analyze_data_ref_accesses):
4563         (vect_analyze_pointer_ref_access):
4564         (vect_get_memtag_and_dr):
4565         (vect_analyze_data_refs):
4566         (vect_mark_relevant):
4567         (vect_stmt_relevant_p):
4568         (vect_mark_stmts_to_be_vectorized):
4569         (vect_can_advance_ivs_p):
4570         (vect_get_loop_niters):
4571         (vect_analyze_loop):
4572         (vectorize_loops): Likewise.
4573
4574         (vectorizable_load): Argument in call to vect_debug_details/stats
4575         changed from loop to LOOP_LOC (loop_vinfo).
4576         (vect_transform_loop):
4577         (vect_analyze_operations):
4578         (vect_analyze_scalar_cycles):
4579         (vect_analyze_data_ref_dependence):
4580         (vect_enhance_data_refs_alignment):
4581         (vect_analyze_data_ref_accesses):
4582         (vect_analyze_pointer_ref_access):
4583         (vect_analyze_data_refs):
4584         (vect_analyze_loop): Likewise.
4585
4586         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
4587         changed from loop to loop_loc.
4588
4589         (vect_enhance_data_refs_alignment): Removed unused variable loop.
4590
4591 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
4592             Dorit Naishlos  <dorit@il.ibm.com>
4593
4594         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
4595         declaration added.
4596         (vect_analyze_data_ref_dependences): Likewise.
4597
4598         (vect_is_simple_use): Argument changed from loop structure to
4599         loop_vect_info structure.
4600         (vect_can_advance_ivs_p): Likewise.
4601         (vect_create_index_for_vector_ref): Likewise.
4602         (vect_update_ivs_after_vectorizer): Likewise.
4603         (new_stmt_vec_info): Likewise.
4604
4605         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
4606         changed from loop to loop_vinfo.
4607         (vect_create_data_ref_ptr): First argument in call to
4608         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
4609         (vectorizable_assignment): Second argument in call to vect_is_simple_use
4610         was changed from loop to loop_vinfo.
4611         (vectorizable_operation): Likewise.
4612         (vectorizable_store): Likewise.
4613         (vect_mark_stmts_to_be_vectorized): Likewise.
4614         (vect_do_peeling_for_loop_bound): First argument in call to
4615         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
4616         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
4617         was changed from loop to loop_vinfo.
4618         (vect_analyze_data_ref_dependences): Third argument in call to
4619         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
4620
4621         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
4622         (vect_create_data_ref_ptr): Likewise.
4623         (vect_init_vector): Likewise.
4624         (vect_get_vec_def_for_operand): Likewise.
4625         (vectorizable_assignment): Likewise.
4626         (vectorizable_operation): Likewise.
4627         (vectorizable_store): Likewise.
4628         (vectorizable_load): Likewise.
4629         (vect_update_ivs_after_vectorizer): Likewise.
4630         (vect_is_simple_use): Likewise.
4631         (vect_analyze_data_ref_dependence): Likewise.
4632         (vect_analyze_pointer_ref_access): Likewise.
4633         (vect_can_advance_ivs_p): Likewise.
4634
4635         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
4636         before _stmt_vec_info.
4637         (_stmt_vec_info): Loop field replaced by loop_vec_info.
4638         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
4639         (new_stmt_vec_info): Argument changed from loop structure to
4640         loop_vect_info structure
4641
4642         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
4643         (vect_analyze_offset_expr): Avoid 80 columns overflow.
4644         (vect_create_addr_base_for_vector_ref): Likewise.
4645         (vect_analyze_pointer_ref_access): Likewise.
4646
4647 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
4648
4649         PR tree-opt/19768
4650         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
4651         phi flag if the phi is abnormal.
4652
4653 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
4654
4655         PR tree-opt/19736
4656         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
4657         information for the new statement.
4658
4659 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
4660
4661         PR driver/19117
4662         * gcc.c (main): Include the target in -v output.
4663
4664 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
4665
4666         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
4667         Do not drop the extend if we'd have to add a paradoxical subreg
4668         later.  Include optabs.h and insn-codes.h.
4669         * Makefile.in (combine.o): Depend on $(OPTABS_H).
4670
4671 2005-02-02  Roger Sayle  <roger@eyesopen.com>
4672
4673         PR middle-end/19405
4674         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
4675         * fold-const.c (const_binop): Avoid constant folding floating
4676         point operations in modes that use composite representations.
4677         * simplify-rtx.c (simplify_binary_operation): Likewise.
4678
4679 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
4680
4681         * config/rs6000/altivec.md (altivec_dst): Make the first operand
4682         a REG, not a MEM.
4683         (altivec_dstt): Likewise.
4684         (altivec_dstst): Likewise.
4685         (altivec_dststt): Likewise.
4686         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
4687         of first operand.
4688
4689 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
4690
4691         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
4692         EXPR_LOCUS from orig_cond to the new cond_stmt.
4693         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
4694         the new vec_stmt.
4695
4696 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
4697
4698         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
4699         standard_iv_increment_position. Remove call to bsi_next
4700         (no need to bump the iterator anymore).
4701         (vect_create_index_for_vector_ref): Call
4702         standard_iv_increment_position. Remove second function argument.
4703         (vect_finish_stmt_generation): Remove call to bsi_next
4704         (no need to bump the iterator anymore).
4705         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
4706         to vect_create_index_for_vector_ref.
4707
4708 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
4709
4710         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
4711         phis are used out of the loop.
4712
4713 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
4714
4715         PR c/17807
4716         * c-decl.c (undef_nested_function): New variable.
4717         (pop_scope): Diagnose undefined nested functions.
4718         (finish_function): Don't attempt cgraph processing or genericizing
4719         if current top-level function contained an undefined nested
4720         function.  Reset undef_nested_function at the end of a top-level
4721         function.
4722
4723 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
4724
4725         * tree.c (build_int_cst_type): Take sign of the value into account
4726         when deciding whether sign extend the value.
4727
4728 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
4729
4730         PR c/18502
4731         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
4732         (cpp_options, cc1_options): Change %{std*&ansi} to
4733         %{std*&ansi&trigraphs}.
4734
4735 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
4736
4737         * cse.c: Update comments.
4738
4739 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
4740
4741         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
4742         arguments go on the stack.  Do not put complex doubles in odd/even
4743         pairs.
4744
4745 2005-02-02  Steven Bosscher  <stevenb@suse.de>
4746
4747         * doc/invoke.texi: Update the options enabled at -O1, -O2,
4748         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
4749         -ftree-pre, and -fthread-jumps.
4750
4751 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
4752
4753         PR tree-optimization/19578
4754         * tree-flow.h (modified_noreturn_calls): Declare.
4755         (noreturn_call_p): Declare.
4756         * tree-flow-inline.h (noreturn_call_p): New function.
4757         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
4758         * tree-cfg.c (modified_noreturn_calls): New variable.
4759         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
4760         that contain a mid-block noreturn call.
4761         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
4762
4763 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
4764
4765         * df.c (df_def_record_1, df_uses_record): Don't use
4766         DF_FOR_REGALLOC.
4767         * df.h (DF_FOR_REGALLOC): Remove.
4768
4769 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
4770
4771         PR c/19435
4772         * c-typeck.c (really_start_incremental_init): Reset
4773         constructor_max_index for arrays of incomplete type.
4774
4775 2005-02-02  Jeff Law  <law@redhat.com>
4776
4777         * gcse.c (struct reg_set): Store the block index where the register
4778         was set rather than the setting insn.
4779         (record_one_set, compute_transp): Corresponding changes.
4780         (pre_insert_copy_insn): Do not call replace_one_set.
4781         (replace_one_set): Remove.
4782
4783 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
4784
4785         PR other/15514
4786         * doc/gcov.texi: Fix typo.
4787
4788 2005-02-01  Richard Henderson  <rth@redhat.com
4789
4790         PR target/19680
4791         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
4792         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
4793         type to bool.
4794         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
4795         * config/i386/i386-protos.h: Update.
4796
4797 2005-02-01  Steven Bosscher  <stevenb@suse.de>
4798
4799         PR tree-optimization/19217
4800         * tree-cfg.c (verify_expr): Use the data field to see if TP was
4801         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
4802         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
4803         that it is walking a PHI node.
4804
4805 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
4806
4807         * doc/extend.texi (Nested Functions): Update.
4808
4809 2005-02-01  Richard Henderson  <rth@redhat.com>
4810
4811         PR 19696
4812         * optabs.c (expand_copysign_absneg): Export.
4813         * optabs.h (expand_copysign_absneg): Declare.
4814         * config/rs6000/rs6000.md (copysigntf3): New.
4815
4816 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
4817
4818         PR tree-optimization/19633
4819         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
4820         * tree-ssa-alias.c (init_alias_info): Initialize.
4821         (merge_pointed_to_info): Set.
4822         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
4823         (dump_points_to_info_for): Show value of pt_null.
4824         (struct count_ptr_d): Declare.
4825         (find_ptr_dereference): Remove.
4826         (ptr_is_dereferenced_by): Remove.
4827         (count_ptr_derefs): New local function.
4828         (count_uses_and_derefs): New local function.
4829         (compute_points_to_and_addr_escape): Call it.  If the number
4830         of dereferences is greater than zero, mark the pointer as
4831         dereferenced.  If there are fewer dereferences than uses of
4832         the pointer, the pointer's value escapes.
4833
4834 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
4835
4836         PR tree-optimization/19670
4837         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
4838         here...
4839         (verify_use): ... set it here, instead.
4840
4841 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
4842
4843         * doc/sourcebuild.texi (Test directives): Fix formatting.
4844
4845         * doc/sourcebuild.texi (Test directives): Describe selector
4846         expressions.
4847
4848 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
4849
4850         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
4851         specific 64-bit CPUs.
4852
4853 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
4854
4855         PR target/16201
4856         * arm.c (arm_eliminable_register): New function.
4857         (adjacent_mem_locations): Don't allow eliminable registers.  Use
4858         HOST_WIDE_INT for address offsets.
4859         * arm-protos.h (arm_eliminable_register): Add prototype.
4860
4861 2005-02-01  Steven Bosscher  <stevenb@suse.de>
4862
4863         PR optimization/15242
4864         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
4865         * basic-block.h (duplicate_computed_gotos): Add prototype.
4866         * bb-reorder.c (duplicate_computed_gotos): New function to
4867         duplicate sufficiently small blocks ending in a computed jump.
4868         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
4869         if not optimizing for size.
4870         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
4871         never do tail merging for blocks ending in a computed jump.
4872         * doc/invoke.texi: Document the max-goto-duplication-insns param.
4873
4874 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
4875
4876         Patch from Richard Sandiford <rsandifo@redhat.com>
4877         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
4878         from inheriting a subreg equivalence with a non-spill register.
4879
4880         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
4881
4882 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
4883
4884         * config/frv/frv.c (movcc_fp_destination_operand): New.
4885         (gpr_or_memory_operand): Fix typo in comment.
4886         (gpr_or_memory_operand_with_scratch): New.
4887         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
4888         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
4889         movcc_fp_destination_operand.
4890         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
4891         Legitimize memory addresses using a scratch register.
4892
4893 2005-01-31  Jeff Law  <law@redhat.com>
4894
4895         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
4896         bitmap a sparse bitmap instead of a simple bitmap.
4897         (mark_def_sites_initialize_block):  Corresponding changes.
4898         (ssa_mark_def_sites_initialize_block): Likewise.
4899         (ssa_mark_phi_uses): Likewise.
4900         (mark_def_site, ssa_mark_def_sites): Likewise.
4901         (mark_def_site_blocks): Likewise.
4902         (rewrite_ssa_into_ssa): Likewise.
4903
4904         * tree-ssa-dom.c (record_cond): Pass correct variable type
4905         for last argument to htab_find_slot_with_hash.
4906
4907         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
4908         effects when optimizing 0 % X.  Do not try to optimize X % 0.
4909
4910 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
4911
4912         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
4913         1_mmalua.
4914
4915 2005-02-01  Eric Christopher  <echristo@redhat.com>
4916
4917         * config/mips/mips.c (override_options): Warn if -mint64
4918         is used.
4919         * doc/invoke.texi (MIPS Options): Document that -mint64 is
4920         deprecated.
4921
4922 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
4923
4924         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
4925         timestamp.
4926         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
4927         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
4928         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
4929         (cached_regno): Initialize to INVALID_REGNUM.
4930         (cse_reg_info_table_size,
4931         cse_reg_info_table_first_uninitialized,
4932         cse_reg_info_timestamp): New.
4933         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
4934         get_cse_reg_info.
4935         (init_cse_reg_info, get_cse_reg_info_1): New.
4936         (get_cse_reg_info): Cache the last look-up.
4937         (new_basic_block): Update the code to clear mappings from
4938         registers to cse_reg_info entries.
4939         (cse_main): Call init_cse_reg_info.
4940
4941         * cse.c (get_cse_reg_info): Update a comment.
4942
4943 2005-01-31  Steven Bosscher  <stevenb@suse.de>
4944
4945         PR c/19333
4946         * c-decl.c (start_decl): Do not warn about arrays of elements with
4947         an incomplete type here.
4948         (grokdeclarator): Do it here by making a pedwarn an error.
4949         * c-typeck.c (push_init_level): If there were previous errors with
4950         the constructor type, do not warn about braces for initializers.
4951         (process_init_element): Likewise for excess initializer elements.
4952
4953 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
4954
4955         * cse.c (delete_trivially_dead_insn): Don't iterate.
4956
4957 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
4958
4959         * config/rs6000/rs6000.md (copysignsf3): New expand.
4960         (copysigndf3): Likewise.
4961
4962 2005-01-31  Steven Bosscher  <stevenb@suse.de>
4963
4964         * recog.c (constrain_operands): Only look for earlyclobber operand
4965         conflicts if an '&' constraint was seen.
4966
4967 2005-01-31  Marc Espie <espie@openbsd.org>
4968
4969         * config.gcc: Don't include embedded systems fragment, switches default
4970         debugging format to ELF.
4971         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
4972         longer pick it up there.
4973
4974 2005-01-31  Dale Johannesen  <dalej@apple.com>
4975
4976         * doc/extend.texi (nested functions): Fix linkage description.
4977         Clarify that static is not allowed.
4978
4979 2005-01-31  Dale Johannesen  <dalej@apple.com>
4980
4981         * config/rs6000/darwin.md (movsf_low_di):  Make work.
4982         (movdf_low_di):  Make work.
4983
4984 2005-01-31  Dale Johannesen  <dalej@apple.com>
4985
4986         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
4987         Make work for 64 bit.
4988
4989 2005-01-31  Roger Sayle  <roger@eyesopen.com>
4990             Dale Johannesen  <dalej@apple.com>
4991
4992         PR middle-end/19650
4993         * fold-const.c (fold_binary_op_with_conditional_arg):
4994         Make types match original operands, before STRIP_NOPS.
4995
4996 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
4997
4998         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
4999         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
5000         (struct gcc_sigcontext): Delete.  Merge contents to..
5001         (struct gcc_ucontext): ..here.
5002         (get_sigcontext): Delete.
5003         (get_regs): New function, like get_sigcontext but return regs ptr.
5004         64-bit version finds regs from r1 to support vdso.
5005         (ppc_linux_aux_vector): New function.
5006         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
5007         and vector regs.
5008
5009 2005-01-31  Ira Rosen  <irar@il.ibm.com>
5010
5011         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
5012         sizetype.
5013         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
5014         redundant fold. Fix misalignment for MINUS_EXPR.
5015         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
5016         (vect_analyze_pointer_ref_access): Likewise.
5017         (vect_get_memtag_and_dr): Likewise.
5018
5019 2005-01-31  Richard Henderson  <rth@redhat.com>
5020
5021         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
5022         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
5023         absnegdf2_i387, absnegxf2_i387): Likewise.
5024
5025 2005-01-31  Richard Henderson  <rth@redhat.com>
5026
5027         PR 19696
5028         * optabs.c (expand_copysign_absneg): New.
5029         (expand_copysign_bit): Split out from ...
5030         (expand_copysign): ... here.  Use expand_copysign_absneg.
5031
5032 2005-01-30  Roger Sayle  <roger@eyesopen.com>
5033
5034         PR middle-end/19697
5035         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
5036         constant as the second operand and a register as the third.
5037
5038 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
5039
5040         PR target/19704
5041         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
5042         that dllimport'd functions do not use all call-clobbered registers
5043         to pass parameters.
5044
5045 2005-01-30  Richard Henderson  <rth@redhat.com>
5046
5047         PR 19696
5048         * optabs.c (expand_absneg_bit): Split out from expand_unop and
5049         expand_abs_nojump and generalize.  Use operand_subword and
5050         emit_no_conflict_block.  Support large modes.
5051         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
5052         back to maximum.
5053         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
5054         negation to subtraction.
5055         (expand_copysign): Check that the format has signed zeros.
5056         Use operand_subword and emit_no_conflict_block.  Support large modes.
5057
5058 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
5059
5060         Fix PR tree-optimization/19624
5061
5062         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
5063         * tree-ssa-pre.c: Add cfgloop.h.
5064         Update comment.
5065         (pre_stats): New member, constified.
5066         (inserted_exprs): New static variable.
5067         (NECESSARY): New macro.
5068         (create_expression_by_pieces): Fold the expression, and
5069         mark it as defaulting to not necessary. Also put in
5070         inserted_exprs.
5071         (fully_constant_expression): New function.
5072         (insert_into_preds_of_block): Modify to not insert phis when we
5073         are playing with induction variables.
5074         Push phis onto the inserted_exprs vector, and mark them as not
5075         necessary by default.
5076         (insert_aux): Call fully_constant_expression on eprime.
5077         If all edges produce the same value, mark it constant.
5078         (mark_operand_necessary): New function.
5079         (remove_dead_inserted_code): New function.
5080         (init_pre): Init loop optimizer to get loop info.
5081         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
5082         (execute_pre): Commit edge inserts, then remove dead code.
5083
5084 2005-01-30  Richard Henderson  <rth@redhat.com>
5085
5086         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
5087         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
5088
5089 2005-01-30  Richard Henderson  <rth@redhat.com>
5090
5091         PR target/19700
5092         * config/i386/i386.c (ix86_expand_copysign): New.
5093         (ix86_split_copysign_const): New.
5094         (ix86_split_copysign_var): Rename from ix86_split_copysign,
5095         rearrange op1/nmask operands.
5096         * config/i386/i386-protos.h: Update.
5097         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
5098         (copysigndf3): Likewise.
5099         (copysignsf3_const, copysigndf3_const): New.
5100         (copysignsf3_var): Rename from copysignsf3, split out splitter
5101         and fix split predicate for X constraint.
5102         (copysigndf3_var): Similarly.
5103
5104 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
5105
5106         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
5107         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
5108         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
5109
5110 2005-01-29  Richard Henderson  <rth@redhat.com>
5111
5112         PR target/19690
5113         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
5114         of # and * in constraints.
5115
5116 2005-01-29  Richard Henderson  <rth@redhat.com>
5117
5118         PR middle-end/19689
5119         * expr.c (store_field): Don't strip sub-mode cast when the input
5120         data is even smaller.
5121
5122 2005-01-29  Richard Henderson  <rth@redhat.com>
5123
5124         PR middle-end/19687
5125         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
5126         union being empty.
5127
5128 2005-01-29  Richard Henderson  <rth@redhat.com>
5129
5130         * combine.c (make_field_assignment): Fix argument order
5131         to gen_int_mode.
5132
5133 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
5134
5135         PR tree-optimization/15791
5136         * fold-const.c (extract_array_ref): New function.
5137         (fold): Fold comparisons between &a[i] and &a[j] or
5138         semantically equivalent trees.
5139
5140 2005-01-29  Jeff Law  <law@redhat.com>
5141
5142         * gcse.c (insert_expr_in_table): Revamp handling of available
5143         and anticipatable occurrence lists to avoid unnecessary list
5144         walking.
5145         (insert_set_in_table): Similarly.
5146
5147 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
5148
5149         * c-common.c (fix_string_type): Just use c_build_qualified_type to
5150         build string type.
5151         (c_build_qualified_type): Build qualified array types with
5152         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
5153         * c-decl.c (c_make_fname_decl): Build unqualified array type
5154         before qualified type.
5155         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
5156         type is qualified, not just if type itself is.  Don't apply
5157         qualifiers to array type when declarator is processed.  Apply
5158         qualifiers to field type whether or not it is an array type.
5159         Don't handle array types specially for applying qualifiers to
5160         variables.
5161         * c-typeck.c (composite_type): Build unqualified element type and
5162         array type when forming composite of array types.
5163         (common_pointer_type, comptypes, comp_target_types,
5164         type_lists_compatible_p, build_indirect_ref, build_array_ref,
5165         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
5166         types.
5167         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
5168         (args2) in variables a1 and a2.
5169
5170 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
5171
5172         * cse.c (n_elements_made, max_elements_made): Remove.
5173         (insert): Don't touch n_elements_made.
5174         (cse_main): Don't touch n_elements_made or max_elements_made.
5175
5176 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
5177
5178         PR target/15384
5179         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
5180         configuration part of dp-bit.c to be lost.
5181
5182 2005-01-28  Roger Sayle  <roger@eyesopen.com>
5183
5184         * expmed.c (expand_mult_highpart_optab): When attempting to use
5185         a non-widening multiplication in a wider mode, the operands need
5186         to be converted (zero or sign extended) to that mode.
5187
5188 2005-01-28  Ian Lance Taylor  <ian@airs.com>
5189
5190         PR middle-end/16558
5191         PR middle-end/19583
5192         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
5193         through if both operands fall through.
5194
5195 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
5196
5197         * cse.c (fold_rtx) <PC>: Don't optimize.
5198
5199 2005-01-28  Jeff Law  <law@redhat.com>
5200
5201         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
5202         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
5203
5204 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
5205
5206         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
5207         cse_reg_info_used_list_end): Remove.
5208         (cse_reg_info_list, cse_reg_info_list_free): New.
5209         (get_cse_reg_info): When allocating an instance of
5210         cse_reg_info, add it to the beginning of the cse_reg_info_list
5211         list.  Remove code to maintain cse_reg_info_used_list.
5212         (new_basic_block): Reset the free list to the beginning of
5213         cse_reg_info_list.
5214
5215 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
5216
5217         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
5218         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
5219         (frv_expand_mdpackh_builtin): New function.
5220         (frv_expand_builtin): Use it to expand __MDPACKH.
5221         * doc/extend.texi (__MDPACKH): Update documentation.
5222
5223 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
5224
5225         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
5226         SSE_FLOAT_MODE_P for use_sse computation.
5227
5228 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
5229
5230         PR target/19663
5231         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
5232
5233 2005-01-27  Richard Henderson  <rth@redhat.com>
5234
5235         * builtins.c (expand_builtin_copysign): New.
5236         (expand_builtin): Call it.
5237         * genopinit.c (optabs): Add copysign_optab.
5238         * optabs.c (init_optabs): Initialize it.
5239         (expand_copysign): New.
5240         * optabs.h (OTI_copysign, copysign_optab): New.
5241         (expand_copysign): Declare.
5242
5243         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
5244         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
5245
5246         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
5247         (ix86_expand_fp_absneg_operator): ... here.
5248         (ix86_split_copysign): New.
5249         * config/i386/i386-protos.h: Update.
5250         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
5251         (copysignsf3, copysigndf3): New.
5252
5253         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
5254         (copysignsf3, ncopysignsf3): New.
5255         (copysigndf3, ncopysigndf3): New.
5256         (copysignxf3, ncopysignxf3): New.
5257         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
5258
5259 2005-01-27  Arend Bayer  <arend.bayer@web.de>
5260             Kazu Hirata  <kazu@cs.umass.edu>
5261
5262         * cse.c: (find_best_addr): Don't call copy_rtx before calling
5263         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
5264         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
5265         NULL_RTX.
5266
5267 2005-01-27  Jeff Law  <law@redhat.com>
5268
5269         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
5270         definitions of SSA_NAMEs which are not being rewritten.
5271         (rewrite_ssa_into_ssa): Only initialize the current definition
5272         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
5273         If checking is enabled, assert that SSA_NAME_AUX is clear for all
5274         SSA_NAMEs before returning.
5275
5276 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
5277
5278         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
5279         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
5280         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
5281         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
5282         config/mips/iris6.h, config/sh/sh.c: Update copyright.
5283
5284 2005-01-27  Steven Bosscher  <stevenb@suse.de>
5285
5286         PR middle-end/17278
5287         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
5288         higher to -O2 and higher.  Likewise for tree PRE.
5289         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
5290         and better.
5291
5292 2005-01-27  Ian Lance Taylor  <ian@airs.com>
5293
5294         PR middle-end/19583
5295         * gimple-low.c (try_catch_may_fallthru): New static function.
5296         (block_may_fallthru): Handle TRY_CATCH_EXPR.
5297         * tree-inline.c (expand_call_inline): Don't warn about reaching
5298         the end of a non-void function being inlined if the function uses
5299         a return slot.
5300
5301 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
5302
5303         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
5304
5305         PR c/18946
5306         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
5307         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
5308         (implicitly_declare): Handle error_mark_node.
5309
5310 2005-01-27  Richard Henderson  <rth@redhat.com>
5311
5312         PR tree-opt/14329
5313         * tree.h (struct tree_decl): Add debug_expr_is_from.
5314         (DECL_DEBUG_EXPR_IS_FROM): New.
5315         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
5316         * dwarf2out.c (dwarf2out_var_location): Update to match.
5317         * tree-outof-ssa.c (create_temp): Likewise.
5318         * var-tracking.c (track_expr_p): Likewise.
5319         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
5320         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
5321         * toplev.c (default_tree_printer): Likewise.
5322
5323 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
5324
5325         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
5326         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
5327
5328 2005-01-27  Steven Bosscher  <stevenb@suse.de>
5329
5330         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
5331         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
5332         ASM_CLOBBERS): Add tree checks.
5333
5334         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
5335         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
5336         * c-common.def (SWITCH_STMT): Update to match.
5337         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
5338         macros instead of SWITCH_EXPR ones.
5339         * c-dump.c (c_dump_tree): Likewise.
5340         * c-gimplify.c (gimplify_switch_stmt): Likewise.
5341         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
5342
5343         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
5344
5345 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
5346
5347         * unwind-dw2.c (execute_stack_op): Add missing cases for
5348         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
5349
5350 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
5351
5352         * config.gcc (Obsolete configurations): Remove 'dummy', add
5353         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
5354         sparc-*-openbsd*.
5355
5356 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
5357
5358         PR tree-optimization/19633
5359         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
5360         CALL_EXPRs.
5361         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
5362         are no call-clobbered variables.
5363         * tree-outof-ssa.c (check_replaceable): Return false for calls
5364         with side-effects.
5365
5366 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
5367
5368         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
5369         even for variables with NULL DECL_INITIAL.
5370
5371 2005-01-26  Stuart Hastings  <stuart@apple.com>
5372
5373         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
5374
5375 2005-01-26  Richard Henderson  <rth@redhat.com>
5376
5377         PR middle-end/18008
5378         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
5379         field's type.
5380         * expr.c (store_field): Strip conversions to odd-bit-sized types
5381         if the destination field width matches.
5382
5383 2005-01-26  Richard Henderson  <rth@redhat.com>
5384
5385         * c-decl.c, expmed.c, expr.c: Revert last change.
5386
5387 2005-01-26  Richard Henderson  <rth@redhat.com>
5388
5389         PR middle-end/18008
5390         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
5391         field's type.
5392         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
5393         if we don't need the bits above those present in the current mode.
5394         * expr.c (store_field): Strip conversions to odd-bit-sized types
5395         if the destination field width matches.
5396
5397 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
5398
5399         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
5400         either -ffast-math or -funsafe-math-optimizations is in use.
5401
5402 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
5403
5404         PR target/19293
5405         PR target/19329
5406         * config/avr/avr.c (notice_update_cc): Only set condition code for
5407         ashrqi3 if shift count > 0.
5408         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
5409         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
5410         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
5411         count <= 0 as a no-op, and shift count >= width by copying zero
5412         or sign bit to all bits of the result.
5413         * config/avr/avr.md (all shifts): Add alternatives for zero shift
5414         count, with attribute "length" set to 0 and "cc" set to "none".
5415
5416 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
5417
5418         * doc/invoke.texi: Document -mTLS.
5419
5420         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
5421         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
5422         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
5423         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
5424         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
5425         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
5426         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
5427         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
5428
5429         * configure.ac: Check for a TLS capable gas.
5430
5431         * configure: Regenerate.
5432
5433 2005-01-26  Richard Henderson  <rth@redhat.com>
5434
5435         PR middle-end/18008
5436         * combine.c (make_field_assignment): Simplify store to zero_extract
5437         from a source with an overlapping mask.
5438
5439 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
5440
5441         2004-11-11  Eric Christopher  <echristo@redhat.com>
5442
5443         * config/frv/frv.md: Add fr400_integer automaton. Don't
5444         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
5445         to TYPE_MACC.
5446
5447 2005-01-26  Steven Bosscher  <stevenb@suse.de>
5448
5449         PR middle-end/16585
5450         * cfgbuild.c (make_edges): Do not clear or set
5451         current_function_has_computed_jump.
5452         * function.h (struct function): Remove the has_computed_jump field.
5453         (current_function_has_computed_jump): Do not define.
5454         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
5455         in a computed jump.  Ignore current_function_has_computed_jump.
5456
5457 2005-01-26  Richard Henderson  <rth@redhat.com>
5458
5459         PR middle-end/19515
5460         * expr.c (categorize_ctor_elements): New argument p_must_clear.
5461         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
5462         fully initialized.
5463         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
5464         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
5465         objects into static storage if they have more than one non-zero value.
5466         * tree.h (categorize_ctor_elements): Update decl.
5467
5468 2005-01-26  Steven Bosscher  <stevenb@suse.de>
5469
5470         PR middle-end/19616
5471         * tree.h (CALL_EXPR_TAILCALL): Add comment.
5472         * calls.c (check_sibcall_argument_overlap_1): Revert the change
5473         to this function from 2004-07-10.
5474         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
5475         the current function for tail call optimizations if the address
5476         of one of it its arguments is taken.
5477
5478 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
5479
5480         * cse.c (fold_rtx): Call equiv_constant only when necessary.
5481
5482 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
5483
5484         * function.c (expand_function_end): If current_function_calls_alloca,
5485         emit stack restore in a place that is reached when the function falls
5486         through at the end.
5487
5488 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
5489
5490         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
5491         rule to avoid matching inappropriate suffix rule.
5492
5493 2005-01-26  Jan Hubicka  <jh@suse.cz>
5494
5495         PR tree-optimization/19241
5496         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
5497
5498 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
5499
5500         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
5501         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
5502         of doubling.
5503         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
5504         <sim*>: Always use crt1.o, regardless of N in simN.
5505         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
5506         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
5507         (CRT_CALL_STATIC_FUNCTION): Remove.
5508         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
5509         use crt1.o, regardless of N in simN.
5510         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
5511         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
5512         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
5513         case isystem setting.
5514         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
5515
5516 2005-01-25  Ian Lance Taylor  <ian@airs.com>
5517
5518         * gimple-low.c (block_may_fallthru): Correct handling of
5519         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
5520
5521 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
5522
5523         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
5524         handlers to match indentation; nested under the mtune=* handler.
5525         Similar for mcpu= and march=.
5526
5527 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
5528
5529         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
5530         * config/mips/linux64.h (LIB_SPEC): Likewise.
5531         * config/mn10300/linux.h (LIB_SPEC): Likewise.
5532         * config/sh/linux.h (LIB_SPEC): Likewise.
5533
5534 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
5535
5536         * config/frv/frv.c (frv_legitimize_tls_address): New.
5537         (TARGET_HAVE_TLS): Define.
5538         (FRV_SYMBOL_REF_TLS_P): Define.
5539         (frv_override_options): Handle new register classes.
5540         (frv_legitimate_address_p): Reject tls addresses.
5541         (frv_legitimize_address): Handle TLS addresses.
5542         (gen_inlined_tls_plt): New.
5543         (gen_tlsmoff): New.
5544         (frv_legitimize_tls_address): New.
5545         (unspec_got_name): Add TLS entries.
5546         (got12_operand): Add R_FRV_TLSMOFF12 case.
5547         (frv_emit_move): Fixup TLS addresses.
5548         (frv_emit_movsi): Legitimize TLS addresses.
5549
5550         * config/frv/frv.h (MASK_BIG_TLS): New.
5551         (TARGET_BIG_TLS): New.
5552         (HAVE_AS_TLS): Define.
5553         (TARGET_SWITCHES): Add -mTLS and -mtls options.
5554         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
5555         (REG_CLASS_NAMES): Same.
5556         (REG_CLASS_CONTENTS): Same.
5557         (CONSTRAINT_LEN): New.
5558         (REG_CLASS_FROM_CONSTRAINT): New.
5559         (PREDICATE_CODES): Add symbolic_operand.
5560
5561         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
5562         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
5563         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
5564         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
5565         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
5566         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
5567         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
5568         GR9_REG, GR14_REG, LRREG.
5569         (type): Add load_or_call attribute.
5570         ("load_or_call"): New reservation.
5571         ("call_gettlsoff"): New.
5572         ("tls_indirect_call"): New.
5573         ("tls_load_gottlsoff12"): New.
5574         ("tlsoff_hilo"): New.
5575         ("tls_tlsdesc_ldd"): New.
5576         ("tls_tlsoff_ld"): New.
5577         ("tls_lddi"): New.
5578
5579         * config/frv/frv-protos.h (symbolic_operand): Protoize.
5580
5581         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
5582
5583         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
5584         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
5585         * config/frv/frv.c (TLS_BIAS): Define.
5586         (frv_output_dwarf_dtprel): New.
5587
5588 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
5589
5590         PR rtl-optimization/19579
5591         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
5592         both A and B, see if they don't clobber registers the other expr uses.
5593
5594 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
5595
5596         * real.c (do_add): Initialize signalling and canonical members.
5597
5598         * real.c (real_from_integer): Zero out destination.
5599
5600 2005-01-18  Jan Hubicka  <jh@suse.cz>
5601
5602         PR tree-optimize/19337
5603         * tree-inline.c (initialize_inlined_parameters): Copy
5604         saved_static_chain_decl only.
5605
5606 2005-01-25  Richard Henderson  <rth@redhat.com>
5607
5608         PR target/19556
5609         PR target/19584
5610         * config/i386/i386.c (x86_inter_unit_moves): Zero.
5611         (ix86_preferred_reload_class): Rewrite fp-constant section, with
5612         80387 enabled, to return a proper subclass.  Return the subset that
5613         overlaps with GENERAL_REGS for PLUS.
5614         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
5615
5616 2005-01-25  Richard Henderson  <rth@redhat.com>
5617
5618         PR middle-end/19609
5619         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
5620
5621 2005-01-25  Roger Sayle  <roger@eyesopen.com>
5622
5623         * expmed.c (choose_multiplier): Change interface to return the
5624         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
5625         (expand_divmod): Update calls to choose_multiplier.
5626
5627 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5628
5629         PR middle-end/19330
5630         * expmed.c (extract_bit_field): Use adjust_address instead of
5631         gen_lowpart when op0 is a MEM.
5632
5633 2005-01-24  Steven Bosscher  <stevenb@suse.de>
5634
5635         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
5636
5637 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
5638
5639         * config/mips/irix-csr.c: New file.
5640         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
5641         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
5642         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
5643         executables.
5644
5645 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
5646
5647         PR bootstrap/19364
5648         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
5649         sparc/elf.h, add sparc/sp-elf.h.
5650         (sparc-*-rtems*): Likewise.
5651         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
5652         tm-dwarf2.h, add sparc/sp-elf.h.
5653         (sparc86x-*-elf): Likewise.
5654         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
5655         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
5656         TARGET_OS_CPP_BUILTINS.
5657         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5658         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
5659         Undefine it.
5660         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
5661         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
5662         (SWITCH_TAKES_ARG): Likewise.
5663         (LOCAL_LABEL_PREFIX): Likewise.
5664         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5665         (TARGET_N_FORMAT_TYPES): Delete.
5666         (TARGET_FORMAT_TYPES): Likewise.
5667         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
5668         * config/sparc/elf.h: Delete.
5669         * config/sparc/sp-elf.h: New file.
5670
5671 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
5672
5673         * tree-flow-inline.h (phi_arg_from_edge): Remove.
5674         * tree-flow.h: Remove the corresponding prototype.
5675         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
5676         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
5677
5678 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
5679
5680         PR target/17751
5681         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
5682         for AIX ABI or ELF -fPIC.
5683         (rs6000_emit_load_toc_table): Don't create toc_section here.
5684         (rs6000_xcoff_file_start): Nor here.
5685
5686 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
5687
5688         * sh.c (ra.h): Don't #include.
5689         (hard_regs_intersect_p): New function, resurrected from ra.c.
5690
5691         * sh.c: Fix 1996 Copyright.
5692
5693 2005-01-24  Richard Henderson  <rth@redhat.com>
5694             Aldy Hernandez  <aldyh@redhat.com>
5695
5696         * regrename.c (note_sets): Handle subregs.
5697
5698 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
5699
5700         PR bootstrap/18058
5701         * genconditions.c (write_header, write_conditions): Elide file if
5702         not GCC >= 3.0.1.
5703
5704 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
5705
5706         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
5707         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
5708         Update copyright.
5709
5710 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
5711
5712         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
5713         expand_builtin_printf, expand_builtin_fprintf,
5714         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
5715         checking against POINTER_TYPE.
5716         (validate_arglist): Handle POINTER_TYPE code by checking
5717         POINTER_TYPE_P.
5718
5719 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
5720
5721         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
5722         init_rtlanal): New.
5723         (for_each_rtx): Call for_each_rtx_1.
5724         * rtl.h (init_rtlanal): Declare.
5725         * toplev.c (backend_init): Call init_rtlanal.
5726
5727 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
5728
5729         * flow.c (propagate_one_insn): Formatting.
5730
5731         PR middle-end/19551
5732         * flow.c (libcall_dead_p): Be more conservative if unsure.
5733         If there are any instructions between insn and call, see if they are
5734         all dead before saying the libcall is dead.
5735
5736 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
5737
5738         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
5739         operand constraint for operand 0.
5740
5741 2005-01-23  Richard Henderson  <rth@redhat.com>
5742
5743         PR 19486
5744         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
5745         edges leading to join block.
5746
5747 2005-01-23  Roger Sayle  <roger@eyesopen.com>
5748
5749         * expmed.c (expand_mult_highpart): Make static.  Change type of
5750         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
5751         (expand_divmod): Updates calls to expand_mult_highpart by using
5752         gen_int_mode to pass a CONST_INT rtx.
5753         * rtl.h (expand_mult_highpart): Remove prototype.
5754
5755 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
5756
5757         * flow.c (regset_bytes, regset_size): Remove.
5758
5759         * cfganal.c: Fix a reference to Harvey's paper.
5760
5761 2005-01-23  Steven Bosscher  <stevenb@suse.de>
5762
5763         PR rtl-optimization/19464
5764         * tree-optimize.c (init_tree_optimization_passes): Add one more
5765         copyrename pass just before out-of-ssa.
5766
5767 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
5768
5769         PR bootstrap/18058
5770         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
5771         * ggc-none.c (ggc_free): Define.
5772
5773 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
5774
5775         * cse.c (max_reg, max_insn_uid): Remove.
5776         (cse_main): Don't access max_reg or max_insn_uid.
5777
5778         * c-common.c (explicit_flag_signed_bitfields,
5779         lang_statement_code_p, lang_expand_function_end): Remove.
5780         * c-common.h: Remove the corresponding declarations.
5781         * c-opts.c (c_common_handle_option): Remove all write access
5782         to explicit_flag_signed_bitfields.
5783
5784         * cgraph.c (cgraph_varpool_n_nodes): Remove.
5785         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
5786         * cgraph.h: Remove the corresponding declaration.
5787
5788         * gcse.c (null_pointer_info): Remove.
5789
5790 2005-01-23  Roger Sayle  <roger@eyesopen.com>
5791             Eric Botcazou  <ebotcazou@libertysurf.fr>
5792
5793         * combine.c (simplify_logical): Only simplify logical expressions
5794         of the form ior(and(x,y),z) by the inverse distributive law if the
5795         result is cheaper than the original.
5796
5797 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
5798
5799         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
5800         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
5801         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
5802         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
5803         config/freebsd-spec.h, config/arm/arm.h,
5804         config/h8300/h8300.md, config/i386/i386.md,
5805         config/i386/predicates.md, config/i386/sse.md,
5806         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
5807         config/vax/vax.md: Fix comment typos.  Follow spelling
5808         conventions.
5809
5810 2005-01-23  Steven Bosscher  <stevenb@suse.de>
5811
5812         * gengtype.c (walk_type): Produce `not equal to' compares for loop
5813         tests, instead of `less than'.
5814
5815 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
5816
5817         * function.c (assign_parm_setup_block): When creating a new stack slot
5818         for a parameter, get its alignment from the parameter's DECL_ALIGN
5819         rather than the type's TYPE_ALIGN.  Make sure that the parameter
5820         is at least word aligned.
5821
5822 2005-01-22  Roger Sayle  <roger@eyesopen.com>
5823
5824         PR middle-end/19378
5825         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
5826
5827 2005-01-22  Richard Henderson  <rth@redhat.com>
5828
5829         PR target/19506
5830         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
5831         in both compare operands.
5832         (movdfcc_1_sse_max): Likewise.
5833         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
5834         (movdfcc_1_sse): Likewise.
5835         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
5836         scratch register as needed.
5837
5838 2005-01-22  Richard Henderson  <rth@redhat.com>
5839
5840         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
5841
5842         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
5843
5844 2005-01-22  Richard Henderson  <rth@redhat.com>
5845
5846         * genopinit.c (optabs): Use smin/smax for floating point too.
5847         * doc/md.texi: Update to match.  Clarify that floating point
5848         results are undefined for +0/-0 and NaN.
5849         * doc/rtl.texi: Likewise.
5850         * rtl.def (SMIN, SMAX): Likewise
5851         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
5852
5853         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
5854         leading 's' to the name.
5855         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
5856         smaxxf3, sminxf3): Likewise.
5857         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
5858         Likewise.
5859
5860 2005-01-22  Paul Brook  <paul@codesourcery.com>
5861
5862         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
5863
5864 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
5865
5866         * config/s390/s390.c (struct processor_costs): New fields
5867         dlgr, dlr, dr, dsgfr, dsgr.
5868         (z900_cost, z990_cost): Values for new fields.
5869         (s390_rtx_costs): New cases MEM und COMPARE in switch
5870         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
5871         DIV, MOD, UDIV, UMOD.
5872
5873 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
5874
5875         * config/s390/s390.md ("doloop_si64"): Reload input value directly
5876         into the register being decremented.
5877         ("doloop_si31", "doloop_di"): Likewise.
5878         ("*doloop_si_long"): Adapt pattern.
5879
5880 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
5881
5882         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
5883         access registers.
5884         (CLASS_MAX_NREGS): Likewise.
5885
5886 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
5887
5888         * doc/tree-ssa.texi (Statement Operands): Add example for new
5889         must-def macro. Note deprecation of old operands interface.
5890
5891 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
5892
5893         PR tree-optimization/19484
5894         * tree-cfg.c (remove_fallthru_edge): New function.
5895         (cleanup_control_flow): Remove fallthru edges from calls that are
5896         now known not to return.
5897
5898 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
5899
5900         Fix PR tree-optimization/19038
5901         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
5902         copies with loop variant ones.
5903
5904 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
5905
5906         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
5907         config/alpha/alpha-protos.h, config/alpha/alpha.h,
5908         config/alpha/alpha.md, config/alpha/predicates.md,
5909         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
5910         config/sparc/sol2.h: Update copyright.
5911
5912         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
5913         first label to see if it is a nonlocal label.
5914
5915 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
5916             Andrew Pinski  <pinskia@physics.uc.edu>
5917
5918         PR target/19491
5919         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
5920         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
5921
5922 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
5923
5924         * config/rs6000/rtems.h: Update copyright.
5925
5926 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
5927
5928         PR target/19548
5929         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
5930         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
5931         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
5932
5933 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5934
5935         PR c/18809
5936         * c-typeck.c (convert_arguments): Check for error_mark_node.
5937
5938 2005-01-21  Ian Lance Taylor  <ian@airs.com>
5939
5940         PR tree-optimization/13000
5941         * tree-inline.c: Include "tree-flow.h".
5942         (expand_call_inline): If warn_return_type, warn if non-void inline
5943         function falls through.
5944         * tree-cfg.c (execute_warn_function_return): Don't warn about
5945         control reaching end if TREE_NO_WARNING is set.  Set
5946         TREE_NO_WARNING.
5947         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
5948         has been lowered.
5949         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
5950         branch if we don't need one.
5951         * c-typeck.c: Include "tree-flow.h"
5952         (c_finish_bc_stmt): Don't add a goto if the current statement
5953         list doesn't fall through to the current point.
5954
5955 2005-01-21  Roger Sayle  <roger@eyesopen.com>
5956
5957         PR rtl-optimization/576
5958         * real.c (real_arithmetic): Change return type from void to bool
5959         to return an indication that the result may be inexact.
5960         * real.h (real_arithmeric): Update prototype.
5961         * fold-const.c (const_binop):  Don't constant fold floating
5962         point expressions when the user specifies -frounding-math and
5963         the result may depend upon the run-time rounding mode.
5964         (fold_convert_const_real_from_real): Clean-up.
5965         (fold_initializer): Ignore flag_rounding_math for initializers.
5966         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
5967         constant fold FP operations with flag_rounding_math if the
5968         result may depend upon the run-time rounding mode.
5969
5970 2005-01-21  Tom Tromey  <tromey@redhat.com>
5971
5972         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
5973
5974 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
5975
5976         * tree-cfg.c: Fix comment typos.
5977
5978 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
5979
5980         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
5981         around the call to rest_of_handle_branch_target_load_optimize.
5982
5983 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5984
5985         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
5986         (sparc64-*-openbsd*): Likewise.
5987         (sparclite-*-elf*): Include tm-dwarf2.h.
5988         (sparc86x-*-elf*): Likewise.
5989         (sparc64-*-elf*): Likewise.
5990         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
5991         (DBX_DEBUGGING_INFO): Likewise.
5992         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
5993         (PREFERRED_DEBUGGING_TYPE): Likewise.
5994         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
5995         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
5996         (PREFERRED_DEBUGGING_TYPE): Likewise.
5997         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
5998         (PREFERRED_DEBUGGING_TYPE): Likewise.
5999         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
6000
6001 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
6002
6003         PR target/18701
6004         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
6005
6006 2005-01-20  Paul Brook  <paul@codesourcery.com>
6007
6008         * doc/rtl.texi: Document value extension requirements for CONST_INT.
6009
6010 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6011
6012         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
6013         label is first in a sequence of labels.
6014
6015         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
6016
6017 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
6018             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
6019
6020         * doc/sourcebuild.texi (Test Directives): New.
6021
6022 2005-01-20  Roger Sayle  <roger@eyesopen.com>
6023
6024         * real.c (real_floor): Don't leave the result uninitialized when
6025         mode is VOIDMode, but return the unrounded intermediate value.
6026         (real_ceil): Likewise.
6027
6028 2005-01-20  Paul Brook  <paul@codesourcery.com>
6029
6030         * config/arm/arm.md (insv): Use gen_int_mode.
6031
6032 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
6033
6034         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
6035         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6036         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6037         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6038         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
6039
6040 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
6041
6042         Fix PR debug/19124
6043         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
6044         fbreg, so we have to assume we can't.
6045         (loc_descriptor_from_tree_1): Ditto.
6046         (containing_function_has_frame_base): New function.
6047         (add_location_or_const_value_attribute): Use it.
6048         Also try to generate a frame_base from a single element location
6049         list.
6050
6051 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6052
6053         PR tree-optimization/15349
6054         * timevar.def (TV_TREE_MERGE_PHI): New.
6055         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
6056         PHI_WANTED.
6057         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
6058         calls to tree_forwarder_block_p.
6059         (remove_forwarder_block_with_phi, merge_phi_nodes,
6060         gate_merge_phi, pass_merge_phi): New.
6061         * tree-optimize.c (init_tree_optimization_passes): Add
6062         pass_merge_phi.
6063         * tree-pass.h: Add an extern for pass_merge_phi;
6064
6065 2005-01-20  Richard Henderson  <rth@redhat.com>
6066
6067         PR target/19418
6068         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
6069         (_mm_castps_pd, _mm_castps_si128): New.
6070         (_mm_castsi128_ps, _mm_castsi128_pd): New.
6071
6072 2005-01-20  Richard Henderson  <rth@redhat.com>
6073
6074         PR target/19530
6075         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
6076         __builtin_ia32_vec_init_v2si.
6077         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
6078         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
6079         (ix86_init_mmx_sse_builtins): Create it.
6080         (ix86_expand_builtin): Expand it.
6081         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
6082         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
6083         (vec_extractv2si_0, vec_extractv2si_1): New.
6084
6085 2005-01-20  Richard Henderson  <rth@redhat.com>
6086
6087         PR target/16533
6088         * config/i386/i386.c (ix86_expand_push): New.
6089         * config/i386/mmx.md (push<MMXMODE>1): New.
6090         * config/i386/sse.md (push<SSEMODE>1): New.
6091         * config/i386/i386-protos.h: Update.
6092
6093 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
6094
6095         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
6096         copyright.
6097
6098 2005-01-20  Richard Henderson  <rth@redhat.com>
6099
6100         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
6101         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
6102
6103 2005-01-19  Richard Henderson  <rth@redhat.com>
6104
6105         PR target/19350
6106         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
6107         to V4SFmode in SSE1 fallback load path.
6108
6109 2005-01-19  Richard Henderson  <rth@redhat.com>
6110
6111         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
6112         in QImode expansion to ix86_expand_vector_set.
6113         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
6114
6115 2005-01-19  Richard Henderson  <rth@redhat.com>
6116
6117         PR target/19511
6118         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
6119         subclass of the input class.
6120         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
6121         Always true for cross-SSE1 classes.  Rationalize conditionals.
6122         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
6123         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
6124         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
6125         (movdi_2): Add MMX/SSE zeros.
6126         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
6127         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
6128         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
6129         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
6130         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
6131         (zero_extendsidi2_rex64_1): Remove.
6132         (MOV0 peephole): Check GENERAL_REG_P.
6133
6134 2005-01-19  Richard Henderson  <rth@redhat.com>
6135
6136         PR target/19427
6137         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
6138         shufps elements.
6139         (ix86_expand_vector_extract): Likewise.
6140
6141 2005-01-19  Richard Henderson  <rth@redhat.com>
6142
6143         PR middle-end/19304
6144         * expr.c (emit_move_change_mode): New argument force; use
6145         simplify_gen_subreg if true.
6146         (emit_move_via_alt_mode): Merge into ...
6147         (emit_move_via_integer): ... here.
6148         (emit_move_ccmode): Use emit_move_change_mode directly.
6149
6150 2005-01-19  Richard Henderson  <rth@redhat.com>
6151
6152         PR target/19518
6153         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
6154         (alpha_preferred_reload_class): Handle CONST_VECTOR.
6155         (alpha_emit_set_const_1): Add no_output parameter; don't emit
6156         rtl if true.
6157         (alpha_emit_set_const): Likewise.  Make static.
6158         (alpha_emit_set_long_const): Make static.
6159         (alpha_extract_integer): Split out from alpha_expand_mov.
6160         (alpha_split_const_mov): Likewise.
6161         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
6162         (alpha_legitimate_constant_p): New.
6163         * config/alpha/alpha-protos.h: Update.
6164         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
6165         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
6166         * config/alpha/alpha.md (movsi): Add n alternative.
6167         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
6168         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
6169         (splitters for all of the above): Use alpha_split_const_mov.
6170         * config/alpha/predicates.md (non_add_const_operand): New.
6171         (non_zero_const_operand): New.
6172         (input_operand): Use alpha_legitimate_constant_p after reload.
6173
6174 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
6175
6176         PR tree-optimization/19038
6177         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
6178         (add_candidate): Add ivs with increment in latch only if
6179         allow_ip_end_pos_p is true.
6180         (determine_iv_cost): Use empty_block_p.
6181
6182 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
6183
6184         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
6185         (compute_dominance_frontiers): Ditto.
6186
6187 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
6188
6189         PR target/19529
6190         * config/sh/t-rtems: New.
6191         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
6192
6193 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
6194
6195         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
6196         the offset of the selected field.
6197
6198 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
6199
6200         * tree-cfg.c (remove_forwarder_block): Fix the check to
6201         prevent a nonlocal label from appearing in the middle of a
6202         basic block.
6203
6204 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
6205
6206         PR rtl-optimization/19462
6207         * reorg.c (find_end_label): Create return insn only if
6208         current_function_epilogue_delay_list is empty.
6209
6210 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
6211
6212         * doc/passes.texi: Remove paragraph mentioning new-ra.
6213
6214 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
6215
6216         PR rtl-optimization/15139
6217         * combine.c: Include params.h.
6218         (count_rtxs): New function.
6219         (record_value_for_reg): If replace_rtx would replace at least
6220         2 occurrences of REG in VALUE and TEM is really large, replace REG with
6221         (clobber (const_int 0)) instead of TEM.
6222         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
6223         * params.h (MAX_LAST_VALUE_RTL): New.
6224         * Makefile.in (combine.o): Depend on $(PARAMS_H).
6225         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
6226
6227         PR c/17297
6228         * c-typeck.c (digest_init): Only call build_vector if all constructor
6229         elements are *_CST nodes.
6230         * gimplify.c (gimplify_init_constructor): Likewise.
6231
6232         PR middle-end/19164
6233         * c-typeck.c (digest_init): Only call build_vector if inside_init
6234         is a CONSTRUCTOR.
6235
6236 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
6237
6238         * toplev.c (init_asm_output): Remove dead #ifdef.
6239
6240 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
6241
6242         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
6243
6244 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
6245
6246         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
6247         accessing DECL_FUNCTION_CODE.
6248         * dojump.c (do_jump): Likewise.
6249         * gimplify.c (gimplify_call_expr): Likewise.
6250         * predict.c (expr_expected_value): Likewise.
6251         (strip_builtin_expect): Likewise.
6252         * tree-inline.c (estimate_num_insns_1): Likewise.
6253         * tree-ssa-loop-im.c (stmt_cost): Likewise
6254         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
6255         (tree_expr_nonnegative_p): Likewise.
6256
6257 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
6258
6259         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
6260         variant of the load_pcrel_sym pattern.
6261         * config/sparc/sparc.md (P macro): Move to the top.
6262         (load_pcrel_sym): Macroize using P.
6263         (save_register_window): Likewise.
6264
6265 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
6266
6267         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
6268         ("sordered"): Same.
6269
6270 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
6271
6272         PR C/19472
6273         * c-typeck.c (build_asm_expr): Strip nops off
6274         input memory operands.
6275
6276 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
6277
6278         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
6279         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
6280         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
6281         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
6282
6283 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
6284
6285         PR target/19379
6286         * config/i386/i386.c (override_options): If the 80387 is disabled,
6287         then do not return FP values using FP registers.
6288
6289 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
6290
6291         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
6292         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
6293         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
6294         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
6295         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
6296         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
6297         output.h, postreload-gcse.c, postreload.c, recog.c,
6298         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
6299         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
6300         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
6301         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
6302         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
6303         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
6304         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
6305         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
6306
6307         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
6308         config/alpha/alpha.c, config/arm/vfp.md,
6309         config/i386/emmintrin.h, config/i386/i386-modes.def,
6310         config/i386/i386-protos.h, config/i386/i386.h,
6311         config/i386/pmmintrin.h, config/i386/ppro.md,
6312         config/i386/predicates.md, config/i386/xmmintrin.h,
6313         config/i860/i860.c, config/ia64/ia64-modes.def,
6314         config/ia64/ia64-protos.h, config/ia64/ia64.h,
6315         config/ia64/ia64.md, config/ia64/itanium1.md,
6316         config/ia64/itanium2.md, config/ia64/predicates.md,
6317         config/iq2000/iq2000.h, config/mips/linux64.h,
6318         config/rs6000/aix41.h, config/rs6000/aix43.h,
6319         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
6320         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
6321         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
6322         config/sparc/linux64.h, config/sparc/litecoff.h,
6323         config/sparc/sp64-elf.h, config/sparc/sparc.c,
6324         config/sparc/sparc.h, config/sparc/sparc.md,
6325         config/sparc/sysv4-only.h: Update copyright.
6326
6327 2005-01-18  Richard Henderson  <rth@redhat.com>
6328
6329         PR target/19496
6330         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
6331
6332 2005-01-18  Marc Espie  <espie@openbsd.org>
6333         * config/i386/openbsdelf.h: Typo.
6334
6335 2005-01-18  Richard Henderson  <rth@redhat.com>
6336
6337         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
6338         special case for sse.
6339         * config/i386/predicates.md (sse_comparison_operator): Likewise.
6340
6341 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
6342
6343         * tree-inline.c (estimate_num_insns_1): Added cases for
6344         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
6345
6346 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
6347
6348         PR rtl-optimization/19296
6349         * combine.c (simplify_comparison): Rewrite the condition under
6350         which a non-paradoxical SUBREG of a PLUS can be lifted when
6351         compared against a constant.
6352
6353 2005-01-18  Andi Kleen <ak@muc.de>
6354
6355         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
6356         * c.opt (-Wpointer-sign): Add.
6357         * doc/invoke.texi: (-Wpointer-sign): Add.
6358
6359 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
6360
6361         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
6362         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
6363         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
6364         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
6365         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
6366         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
6367         for TARGET_MIX_SSE_I387.
6368         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
6369         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
6370         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
6371         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
6372         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
6373         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
6374         TARGET_MIX_SSE_I387.
6375         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
6376         from expander.
6377
6378 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
6379
6380         PR target/19424
6381         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
6382         Add movaps alternative for xmm reg->reg move.
6383
6384 2005-01-17  Jeff Law  <law@redhat.com>
6385
6386         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
6387         at the end of the main DOM loop rather than just before DOM exits.
6388
6389 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
6390
6391         PR tree-optimization/19121
6392         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
6393         adding aliases to a name tag, also add them to the pointer's
6394         type tag.
6395         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
6396         sensitive alias info at all.  Only check that the two pointers
6397         have compatible pointed-to sets.
6398         * tree-ssa.c (verify_name_tags): Verify that the alias set of
6399         a pointer's type tag is a superset of the alias set of the
6400         pointer's name tag.
6401
6402 2005-01-17  James E Wilson  <wilson@specifixinc.com>
6403
6404         PR target/19357
6405         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
6406         comment to document why.
6407
6408 2005-01-17  Richard Henderson  <rth@redhat.com>
6409
6410         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
6411         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
6412         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
6413         sse2_vmsminv2df3_finite): New.
6414         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
6415         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
6416         Force op1 into register.
6417
6418 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
6419
6420         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
6421         bubblestrap from always rebuilding build directory.
6422
6423 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
6424
6425         * config/s390/s390.md ("*clc"): Remove incorrect '='.
6426         ("*cmpmem_short"): Likewise.
6427
6428 2005-01-17  Steven Bosscher  <stevenb@suse.de>
6429
6430         * basic-block.h: Document BB_* flags.
6431         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
6432         use an sbitmap instead.
6433         * sched-rgn.c (compute_trg_info): Likewise.
6434
6435 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
6436
6437         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
6438         redundant target_cpu_default and extra_parts lines.  Use the default
6439         "from-abi" ISA.
6440         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
6441         (SUBTARGET_EXTRA_SPECS): Delete.
6442         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
6443         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
6444         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
6445         and "n32" for -mabi=n32.
6446
6447 2005-01-17  Ian Lance Taylor  <ian@airs.com>
6448
6449         PR c/5675
6450         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
6451         fold constant variables into initial values.
6452
6453 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
6454
6455         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
6456
6457         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
6458         through the statements backward.
6459
6460 2005-01-17  Ian Lance Taylor  <ian@airs.com>
6461
6462         PR middle-end/13127:
6463         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
6464         a variable set to the return value of the inlined function.
6465
6466 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
6467
6468         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
6469         when modes are tieable.
6470
6471 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
6472
6473         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
6474         of pthread_create to find out if threads are enabled.
6475         * gthr-posix95.h (__gthread_active_p): Likewise.
6476
6477 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
6478
6479         * common.opt (-fnew-ra): Remove.
6480         * ra*.*: Remove.
6481         * toplev.h (flag_new_regalloc): Remove.
6482         * Makefile.in (ra*.*): Don't mention.
6483         * passes.c (rest_of_handle_new_regalloc): Remove.
6484         (rest_of_handle_combine, rest_of_compilation): Always consider
6485         flag_new_regalloc as false.
6486         * doc/invoke.texi: Don't document -fnew-ra.
6487
6488 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
6489
6490         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
6491         last parameter to reg_scan.
6492         * loop.c (loop_optimize): Likewise.
6493         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
6494         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
6495         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
6496         rest_of_handle_gcse, rest_of_handle_loop_optimize,
6497         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
6498         * regclass.c (reg_scan): Likewise, for the declaration.
6499         * rtl.h (reg_scan): Likewise, for the prototype.
6500
6501 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
6502
6503         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
6504         mark_dfs_back_edges.
6505
6506 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
6507
6508         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
6509         (compute_avail): Uses don't go in tmp_gen.
6510
6511 2005-01-16  Steven Bosscher  <stevenb@suse.de>
6512
6513         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
6514         loop to look for a free slot in a page entry.
6515
6516 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6517
6518         PR target/16304
6519         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
6520         * toplev.c (compile_file): Call process_pending_assemble_output_defs
6521         just before targetm.asm_out.file_end.
6522         * tree.h (process_pending_assemble_output_defs): Declare.
6523         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
6524         New functions.
6525         (assemble_alias): Defer generation of assembly code for defines when
6526         TARGET_DEFERRED_OUTPUT_DEFS is true.
6527         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
6528         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
6529         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
6530
6531 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6532
6533         PR target/19336
6534         * pa.c (pa_scalar_mode_supported_p): New function.
6535         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6536         * pa.h (MIN_UNITS_PER_WORD): Add comment.
6537
6538         * pa-protos.h (prefetch_operand): Delete.
6539         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
6540         * pa.c (prefetch_operand): Delete.
6541         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
6542         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
6543         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
6544         and prefetch_nocc_operand.
6545         * pa.md (prefetch): Rework to avoid reload problems handling short
6546         displacements when a cache control completer needs to be provided.
6547         (prefetch_32, prefetch_64): Delete.
6548         (prefetch_cc, prefetch_nocc): New patterns.
6549
6550 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
6551
6552         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
6553
6554 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6555
6556         PR ada/19388
6557         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
6558         exceeds maximum alignment for global common data.
6559         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
6560         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
6561
6562 2004-01-15  Roger Sayle  <roger@eyesopen.com>
6563
6564         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
6565
6566 2004-01-15  Roger Sayle  <roger@eyesopen.com>
6567
6568         * harg-reg-set.h (reg_class_names): Prototype global array.
6569         * regclass.c (reg_class_names): Declare here and initialize to
6570         REG_CLASS_NAMES.
6571         (dump_regclass): Remove local declaration of reg_class_names.
6572         (regclass): Likewise.
6573         * cfg.c (dump_flow_info): Likewise.
6574         * ra-debug.c (reg_class_names): Likewise.
6575         * regrename.c (reg_class_names): Likewise.
6576         * reload.c (reg_class_names): Likewise.
6577         * reload1.c (spill_failure): Likewise.
6578         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
6579
6580 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
6581
6582         * config/s390/s390.md ("reload_outti"): Remove predicate for
6583         output operand.  Abort if operand is not a MEM.
6584         ("reload_outdi", "reload_outdf"): Likewise.
6585
6586 2005-01-15  Marc Espie  <espie@openbsd.org>
6587
6588         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
6589         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
6590         * config/openbsd.h:  Fix C++ includes for native configurations.
6591         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
6592         Add trampoline support.
6593         * config/i386/openbsdelf.h: New.
6594
6595 2005-01-15  Marc Espie  <espie@openbsd.org>
6596
6597         * collect2.c (main): Explicitly parse -dynamic-linker option.
6598
6599 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
6600
6601         PR tree-optimization/19060
6602         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
6603         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
6604         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
6605         and handle extract_range_from_cond returning false.
6606         * fold-const.c (fold): Optimize comparisons with min/max even for
6607         width > HOST_BITS_PER_WIDE_INT.
6608
6609 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
6610
6611         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
6612         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
6613         Remove little endian multilib variants.
6614         Add mips32 multilib variant.
6615
6616 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
6617
6618         * explow.c (copy_all_reg, stabilize): Remove.
6619         * expr.h: Remove the corresponding prototypes.
6620
6621         * rtlanal.c (regs_set_between_p): Remove.
6622         * rtl.h: Remove the corresponding prototype.
6623
6624 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
6625
6626         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
6627         to rs6000_nonimmediate_operand.
6628         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
6629         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
6630         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
6631         rs6000_nonimmediate_operand.
6632         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
6633         rs6000_nonimmediate_operand.
6634
6635 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
6636
6637         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
6638
6639 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
6640
6641         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
6642         on e500v2.
6643         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
6644         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
6645
6646         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
6647         (rs6k_nonimmediate_operand): New.
6648         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
6649         correctly.
6650         (legitimate_lo_sum_address_p): Same.
6651         (rs6000_legitimize_address): Same.
6652         (rs6000_legitimize_reload_address): Same.
6653         (rs6000_legitimate_address): Same.
6654         (spe_build_register_parallel): Pass DF and DC modes in a DI
6655         register.
6656
6657         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
6658         to rs6k_nonimmediate_operand.
6659
6660         * config/rs6000/spe.md ("*frob_df_di"): New.
6661         ("*frob_di_df"): New.
6662         ("*frob_di_df_2"): New.
6663         ("*mov_sidf_e500_subreg0"): New.
6664         ("*mov_sidf_e500_subreg4"): New.
6665         ("*movdf_e500_double"): Change predicate to
6666         rs6k_nonimmediate_operand.
6667
6668 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
6669
6670         * postreload.c (move2add_note_store): Only call
6671         trunc_int_for_mode on scalar integers.
6672
6673 2005-01-14  Steven Bosscher  <stevenb@suse.de>
6674
6675         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
6676         replace BB_VISITED uses.
6677         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
6678         (propagate_necessity): Check the bitmap instead of BB_VISITED.
6679         (tree_dce_done): Free visited_control_parents.
6680         (perform_tree_ssa_dce): Allocate and clear it.
6681         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
6682         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
6683         instead of BB_VISITED.
6684
6685 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
6686
6687         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
6688         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
6689         Remove unused prototypes.
6690
6691 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
6692
6693         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
6694         64-bit register usage.
6695         (spe_func_has_64bit_regs_p): Add FIXME note.
6696
6697 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
6698
6699         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
6700         flag_finite_math_only with flag_unsafe_math_optimizations.
6701
6702 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
6703
6704         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
6705         end-of-stack check.
6706         (__tpf_eh_return): Copy TPF private stack area from the module
6707         boundary stack frame.  Add check for when module addresses are
6708         equal, but no stub address is found.
6709
6710 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
6711
6712         PR target/7525
6713         * arm.h (struct machine_function): Add call_via field.
6714         (thumb_call_via_label): Declare.
6715         * arm.c (thumb_call_via_label): New variable.
6716         (thumb_call_reg_needed): New variable.
6717         (arm_output_function_epilogue): For Thumb code, output any per-function
6718         call-indirect trampolines.
6719         (thumb_call_via_reg): New function.
6720         (arm_file_end): New function.
6721         (TARGET_ASM_FILE_END): Call arm_file_end.
6722         (aof_file_end): Likewise.
6723         * arm-protos.h (thumb_call_via_reg): Declare.
6724         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
6725         thumb_call_via_reg in normal case.
6726
6727 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
6728
6729         PR middle-end/19084
6730         PR rtl-optimization/19348
6731         * recog.c (peephole2_optimize): Do global life update if some peephole
6732         decides it doesn't need at least one of its inputs and that change
6733         influences liveness at the start of the basic block.
6734
6735         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
6736         arguments instead of 1.
6737
6738 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
6739
6740         PR middle-end/18820
6741         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
6742         zero for nested functions needing a static chain or functions
6743         with a non-constant address.
6744
6745 2005-01-13  Roger Sayle  <roger@eyesopen.com>
6746
6747         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
6748         (and (sign_extend X) C) into (zero_extend (and X C)).
6749
6750 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
6751
6752         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
6753
6754 2005-01-13  Richard Henderson  <rth@redhat.com>
6755
6756         PR target/19009
6757         PR target/19250
6758         PR target/19252
6759         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
6760         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
6761         not just TARGET_SSE.
6762         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
6763         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
6764         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
6765         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
6766         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
6767         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
6768         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
6769         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
6770         (movdicc_c_rex64): Rename with '*'.
6771         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
6772         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
6773         (movsfcc_1_387): Rename from movsfcc_1.
6774         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
6775         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
6776         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
6777         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
6778         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
6779         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
6780         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
6781         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
6782         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
6783         sse_movdfcc_const0_4): Remove.
6784         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
6785         recognize min/max early.  Update for changed sse cmove patterns.
6786         (ix86_split_sse_movcc): New.
6787         * config/i386/i386-protos.h: Update.
6788
6789 2005-01-13  Steven Bosscher  <stevenb@suse.de>
6790
6791         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
6792         (fix_stmt_v_may_defs): Likewise.
6793
6794 2005-01-13  Richard Henderson  <rth@redhat.com>
6795
6796         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
6797         for converting the mask.
6798
6799 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
6800
6801         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
6802         definition to 600.
6803
6804 2005-01-13  Richard Henderson  <rth@redhat.com>
6805
6806         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
6807         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
6808         IX86_BUILTIN_MOVDQ2Q): Remove.
6809         (IX86_BUILTIN_VEC_EXT_V4SI): New.
6810         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
6811         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
6812         shuffling.
6813         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
6814         (sse2_pextrw): Fix immediate constraint.
6815         (sse2_loadq, sse2_loadq_rex64): Remove.
6816         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
6817         Use __builtin_ia32_vec_ext_<size>.
6818         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
6819
6820 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
6821
6822         * function.c (assign_parm_setup_block): Look inside original
6823         entry_parm when inspecting PARALLEL.
6824
6825 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
6826             Joel Sherrill  <joel@oarcorp.com>
6827
6828         PR target/19399
6829         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
6830         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
6831         rtems_gxx_recursive_mutex_init.
6832         (__gthread_recursive_mutex_lock): New function.
6833         (__gthread_recursive_mutex_trylock): Likewise.
6834         (__gthread_recursive_mutex_unlock): Likewise.
6835
6836 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
6837
6838         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
6839
6840 2005-01-13  Jan Beulich  <jbeulich@novell.com>
6841
6842         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
6843         (ashrti3_internal): Indicate output is early clobber. Generate result
6844         into output rather than first input. Use move for low word of output
6845         if shift count is exactly 64.
6846         (lshrti3_internal): Likewise.
6847
6848 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
6849
6850         PR target/18329
6851         PR target/18330
6852         * reload1.c (delete_output_reload): Don't delete an output reload
6853         if the pseudo lives longer than a single basic block.  Adjust and
6854         improve wording of comment.
6855
6856 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
6857
6858         PR target/19334
6859         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
6860         of TYPE_SIZE where we mean the number of bytes.
6861
6862 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
6863
6864         * function.c (assign_parm_setup_block): Relax condition on
6865         multi-register optimization.
6866
6867 2005-01-12  Nick Clifton  <nickc@redhat.com>
6868
6869         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
6870         an "in_delay_slot" attribute of "no" to prevent them being used in
6871         delay slots.  This is forbidden because they might generate
6872         exceptions.
6873
6874 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
6875
6876         PR target/19389
6877         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
6878         with r->Y and Y->r.
6879
6880 2005-01-12  Nick Clifton  <nickc@redhat.com>
6881
6882         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
6883         passed on to GAS) but do not define, as GAS no longer supports or
6884         needs the -m2000 option.
6885
6886 2005-01-11  Roger Sayle  <roger@eyesopen.com>
6887
6888         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
6889         type as args of unprototyped builtins aren't automatically promoted.
6890         (fold_builtin_abs): Likewise.
6891
6892 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6893
6894         * Makefile.in: Set a `build-warn' variable.
6895
6896 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
6897
6898         PR tree-optimization/17949
6899         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
6900         (find_interesting_uses_address): Use it.
6901
6902 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
6903
6904         * regrename.c (kill_value): Handle subreg's that won't simplify.
6905
6906 2005-01-11  Richard Henderson  <rth@redhat.com>
6907
6908         PR target/13366
6909         * config/i386/i386.h (enum ix86_builtins): Move ...
6910         * config/i386/i386.c: ... here.
6911         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
6912         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
6913         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
6914         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
6915         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
6916         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
6917         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
6918         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
6919         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
6920         IX86_BUILTIN_LOADDDUP): Remove.
6921         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
6922         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
6923         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
6924         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
6925         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
6926         (ix86_init_builtins): Make static.
6927         (ix86_init_mmx_sse_builtins): Update for changed builtins.
6928         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
6929         if all the modes match.  Otherwise, fake it.
6930         (get_element_number, ix86_expand_vec_init_builtin,
6931         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
6932         (ix86_expand_builtin): Make static.  Update for changed builtins.
6933         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
6934         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
6935         (ix86_expand_vector_init_duplicate): New.
6936         (ix86_expand_vector_init_low_nonzero): New.
6937         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
6938         Split out from ix86_expand_vector_init; handle integer modes.
6939         (ix86_expand_vector_init): Use them.
6940         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
6941         * config/i386/i386-protos.h: Update.
6942         * config/i386/predicates.md (reg_or_0_operand): New.
6943         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
6944         (movv2sf_internal): Likewise.  And a splitter to match them all.
6945         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
6946         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
6947         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
6948         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
6949         (mmx_pinsrw): Fix operand ordering.
6950         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
6951         rather than sse_loadss expander.
6952         (movv2df splitter): Similarly.
6953         (sse_loadss, sse_loadlss): Remove.
6954         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
6955         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
6956         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
6957         (sse3_movddup): Rename with '*'.
6958         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
6959         (sse2_loadsd): Remove.
6960         (vec_dupv2df_sse3): Rename from sse3_loadddup.
6961         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
6962         (sse2_pinsrw): Fix argument ordering.
6963         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
6964         (sse2_stored): Remove 'r' destination.
6965         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
6966         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
6967         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
6968         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
6969         vec_extractv16qi, vec_initv16qi): New.
6970
6971         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
6972         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
6973         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
6974         constructor form.
6975         (_mm_load_pd, _mm_store_pd): Use plain dereference.
6976         (_mm_load_si128, _mm_store_si128): Likewise.
6977         (_mm_load1_pd): Use _mm_set1_pd.
6978         (_mm_load_sd): Use _mm_set_sd.
6979         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
6980         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
6981         (_mm_set_epi64): Use _mm_set_epi64x.
6982         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
6983         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
6984         _mm_setr_epi8): Use _mm_set_foo form.
6985         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
6986         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
6987         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
6988         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
6989         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
6990         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
6991         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
6992         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
6993         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
6994         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
6995         (_mm_movedup_pd): Use _mm_shuffle_pd.
6996         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
6997         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
6998         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
6999         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
7000         Use _mm_setzero_ps.
7001         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
7002         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
7003         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
7004         (_mm_store_ps): Use raw dereference.
7005         (_mm_store1_ps): Use _mm_storeu_ps.
7006         (_mm_storer_ps): Use _mm_store_ps.
7007         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
7008         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
7009
7010 2005-01-11  Stan Shebs  <shebs@apple.com>
7011
7012         * config/rs6000/rs6000.c (machopic_output_stub): Issue
7013         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
7014
7015 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
7016
7017         PR target/18761
7018         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
7019         Skip all DECLs except for FIELD_DECLs.
7020
7021 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
7022
7023         * config/s390/s390.c (override_options): Return error if
7024         -mbackchain, -mpacked-stack and -mhard-float are used together.
7025         (s390_va_start): Remove the backchain && packed-stack special case.
7026         (s390_gimplify_va_arg): Likewise.
7027         * doc/invoke.texi: Remove the ABI incompatibility note.
7028
7029 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
7030
7031         * config/s390/s390.c (struct s390_frame_layout): Remove
7032         save_backchain_p.
7033         (s390_frame_info, s390_emit_prologue): Replace occurrences of
7034         save_backchain_p with TARGET_BACKCHAIN.
7035
7036 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
7037
7038         PR target/18916
7039         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
7040         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
7041         * function.c (locate_and_pad_parm): Set new field.
7042         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
7043         Tweak where_pad test to include "none".  Always set mem align for
7044         stack_parm.
7045         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
7046         not sufficient for type.
7047         (assign_parm_setup_block): If stack_parm is zero on entry, always
7048         make a new stack local.  Block move old stack parm if necessary
7049         to new aligned stack local.
7050         (assign_parm_setup_stack): Use a block move to handle
7051         potentially misaligned entry_parm.
7052         (assign_parms_unsplit_complex): Specify required alignment when
7053         creating stack local.
7054         * calls.c (compute_argument_addresses): Override alignment of stack
7055         arg calculated from its type with the alignment given by
7056         FUNCTION_ARG_BOUNDARY.
7057         (store_one_arg): Likewise.
7058
7059 2005-01-11  Jan Beulich  <jbeulich@novell.com>
7060
7061         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
7062         Change respective itanium_class attribute to ialu.
7063         (shladdp4_internal): New.
7064         * config/ia64/predicates.md (shladd_log2_operand): New.
7065
7066 2005-01-11  Richard Henderson  <rth@redhat.com>
7067
7068         * expr.c (store_constructor): Use rtvec_alloc instead of
7069         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
7070
7071 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
7072
7073         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
7074
7075 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
7076
7077         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
7078         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
7079         (TARGET_RWRELOC): Define.
7080         (ia64_rwreloc_section_type_flags): Delete.
7081         (ia64_section_type_flags): New function.
7082         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
7083         (TARGET_RWRELOC): Define.
7084
7085 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
7086
7087         PR target/18987
7088         * config/ia64/ia64.c (process_set): For alloc insn, only call
7089         process_epilogue is !frame_pointer_needed.
7090
7091 2005-01-10  Roger Sayle  <roger@eyesopen.com>
7092
7093         PR c++/19355
7094         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
7095         unary operator and can't be treated as a binary/comparison operator.
7096
7097 2005-01-10  Richard Henderson  <rth@redhat.com>
7098
7099         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
7100         (ix86_return_in_memory): Likewise.
7101         (function_arg_advance):  Likewise.  Mirror structure in function_arg
7102         for choosing register to advance.
7103
7104 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
7105
7106         * tree-vectorizer.c, tree.def: Fix comment typos.
7107
7108 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
7109
7110         * config/s390/s390.c (struct processor_costs): 4 new fields:
7111         ddbr, ddr, debr, der.
7112         (s390_rtx_costs): More precise handling of divide instructions.
7113
7114 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
7115
7116         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
7117
7118 2005-01-10  Jan Beulich  <jbeulich@novell.com>
7119
7120         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
7121         names resulting from -ffunction-sections/-fdata-sections and linkonce
7122         ones.
7123         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
7124         based on the section name. Rearrange the section name comparison logic
7125         slightly so that each section name is compared against at most once.
7126
7127 2005-01-10  Ben Elliston  <bje@au.ibm.com>
7128
7129         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
7130         targets for which -fPIC reduces limitations on the GOT size.
7131
7132 2005-01-09  Falk Hueffner  <falk@debian.org>
7133
7134         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
7135         X/C1 cmpop C2.
7136
7137 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
7138
7139         PR target/18720
7140         * collect2.c (main): Set aixrtl_flag for -brtl option.
7141         (resolve_lib_name): Search for .so file extension before .a
7142         if aixrtl_flag set.
7143
7144 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
7145
7146         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
7147         (vect_analyze_data_refs_alignment): Add dump prints.
7148
7149 2005-01-09  Ira Rosen  <irar@il.ibm.com>
7150
7151         * tree-vectorizer.c (vect_analyze_offset_expr): Use
7152         expr_invariant_in_loop_p.
7153         Initialize outputs first thing in the function.
7154         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
7155         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
7156         (vect_analyze_pointer_ref_access): Check that the initial condition of
7157         the access function is loop invariant.
7158
7159 2005-01-09  Richard Henderson  <rth@redhat.com>
7160
7161         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
7162         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
7163         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
7164         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
7165         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
7166         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
7167         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
7168         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
7169         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
7170         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
7171         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
7172         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
7173         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
7174         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
7175         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
7176         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
7177         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
7178         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
7179         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
7180         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
7181         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
7182         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
7183         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
7184         mmx_ prefix.
7185         (mmx_clrdi, pavgusb): Remove.
7186         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
7187         with leading sse_ prefix.
7188         * config/i386/sse.md: Receive them.
7189         * config/i386/mmx.md: New file.
7190         (MMXMODE12, MMXMODE24, mmxvecsize): New.
7191         (subrv2sf3): Turn into expander for normal subtraction.
7192         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
7193         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
7194         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
7195         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
7196         commutative; use ix86_binary_operator_ok.
7197         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
7198         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
7199         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
7200         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
7201         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
7202         Macroize from existing patterns; use ix86_binary_operator_ok.
7203         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
7204         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
7205         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
7206         with vec_select+vec_concat.
7207         (mmx_pshufw, mmx_pshufw_1): Likewise.
7208         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
7209         (mmx_uavgv4hi3): Model correctly.
7210         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
7211         _mm_xor_si64): Remove casts.
7212
7213 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
7214
7215         PR tree-optimization/19224
7216         * tree-scalar-evolution.c (get_instantiated_value,
7217         set_instantiated_value): New functions.
7218         (instantiate_parameters_1): Cache the results.
7219         (instantiate_parameters, resolve_mixers): Initialize and free
7220         the cache.
7221
7222 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
7223
7224         * config/i386/i386.md (addhi_4): Correct reference in comment.
7225         (addqi_4): Same.
7226
7227 2005-01-08  Richard Henderson  <rth@redhat.com>
7228
7229         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
7230         (_mm_cvtsi128_si64x): Likewise.
7231         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
7232         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
7233         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
7234         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
7235         * config/i386/i386-protos.h: Update.
7236         * config/i386/i386.c (print_operand): Add 'H'.
7237         (ix86_fixup_binary_operands): Split out from ...
7238         (ix86_expand_binary_operator): ... here.
7239         (ix86_fixup_binary_operands_no_copy): New.
7240         (ix86_expand_fp_absneg_operator): Handle vector mode results.
7241         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
7242         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
7243         (safe_vector_operand): Use CONST0_RTX.
7244         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
7245         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
7246         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
7247         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
7248         special cases.
7249         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
7250         (IX86_BUILTIN_CMPNGESS): New.
7251         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
7252         (attr type): Add sselog1.
7253         (attr unit, attr memory): Handle it.
7254         (movti, movti_internal, movti_rex64): Move near other integer moves.
7255         (movtf, movtf_internal): Move near other fp moves.
7256         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
7257         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
7258         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
7259         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
7260         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
7261         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
7262         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
7263         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
7264         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
7265         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
7266         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
7267         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
7268         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
7269         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
7270         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
7271         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
7272         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
7273         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
7274         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
7275         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
7276         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
7277         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
7278         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
7279         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
7280         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
7281         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
7282         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
7283         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
7284         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
7285         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
7286         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
7287         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
7288         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
7289         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
7290         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
7291         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
7292         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
7293         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
7294         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
7295         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
7296         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
7297         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
7298         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
7299         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
7300         same time.
7301         (SSEPUSH, push<SSEPUSH>): Remove.
7302         (MMXPUSH, push<MMXPUSH>): Remove.
7303         (sse_movaps, sse_movaps_1, sse_movups): Remove.
7304         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
7305         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
7306         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
7307         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
7308         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
7309         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
7310         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
7311         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
7312         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
7313         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
7314         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
7315         (ppro_sse_log_V4SF): Handle sselog1.
7316         * config/i386/predicates.md (const_0_to_1_operand): New.
7317         (const_0_to_255_mul_8_operand): New.
7318         (const_1_to_31_operand): Rename from const_int_1_31_operand.
7319         (const_2_to_3_operand, const_4_to_7_operand): New.
7320         * config/i386/sse.md: New file.
7321         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
7322         (sse_movups): Rename from sse_movups_1.
7323         (sse_loadlss): Rename from sse_loadss_1.
7324         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
7325         from the name.
7326         (negv4sf2): Use ix86_expand_fp_absneg_operator.
7327         (absv4sf2, negv2df, absv2df): New.
7328         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
7329         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
7330         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
7331         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
7332         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
7333         (sse3_addsubv4sf3): Model correctly.
7334         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
7335         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
7336         (sse_movhlps): Model with vec_select+vec_concat.
7337         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
7338         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
7339         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
7340         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
7341         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
7342         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
7343         sse2_pshufhw_1): Likewise.
7344         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
7345         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
7346         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
7347         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
7348         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
7349         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
7350         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
7351         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
7352         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
7353         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
7354         sminv8hi3): Mark commutative
7355         operands.  Use ix86_binary_operator_ok.
7356         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
7357         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
7358         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
7359         sse2_punpcklqdq): Allow operand2 in memory.
7360         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
7361         sse2_movsd): Add memory alternatives.
7362         (sse_storelps): Turn expander into an insn; split after reload.
7363         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
7364         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
7365
7366 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7367
7368         * configure.ac (DWARF-2 debug_line): Use objdump.
7369         * configure: Regenerate.
7370
7371 2005-01-08  Jeff Law  <law@redhat.com>
7372             Diego Novillo  <dnovillo@redhat.com>
7373
7374         PR tree-optimization/18241
7375         * tree-nrv.c (tree_nrv): Ignore volatile return values.
7376         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
7377         statements with volatile operands.
7378         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
7379         operands after marking a statement with has_volatile_ops.
7380
7381 2005-01-08  Roger Sayle  <roger@eyesopen.com>
7382
7383         * tree.c (int_fits_type_p): Always honor integer constant
7384         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
7385
7386 2005-01-08  Roger Sayle  <roger@eyesopen.com>
7387
7388         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
7389         the latent bug in rtl_delete_block has been resolved.
7390
7391 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
7392
7393         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
7394         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
7395
7396 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
7397
7398         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
7399         library as @multilib_dir@/$(SHLIB_SONAME).
7400
7401 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7402
7403         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
7404         * configure: Regenerate.
7405
7406 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
7407
7408         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
7409         TYPE_MODE.
7410
7411 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
7412
7413         PR target/13674
7414         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
7415         Convert non-word aligned offset address using ld/std into
7416         indirect address.
7417
7418 2005-01-07  Richard Henderson  <rth@redhat.com>
7419
7420         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
7421
7422 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
7423
7424         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
7425
7426 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
7427
7428         PR tree-optimization/19283
7429         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
7430         is not shorter than the original type.
7431
7432         PR rtl-optimization/19012
7433         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
7434
7435         PR rtl-optimization/18861
7436         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
7437         (FULL_STATE): Define.
7438         (mark_tablejump_edge): New function.
7439         (purge_dead_tablejump_edges): New function.
7440         (find_bb_boundaries): Use it.
7441
7442         PR tree-optimization/18828
7443         * builtins.c (expand_builtin_next_arg): Remove argument and all
7444         the argument checking.
7445         (expand_builtin): Adjust caller.
7446         (expand_builtin_va_start): Likewise.  Remove error for too many
7447         arguments.
7448         (fold_builtin_next_arg): Issue error for too many arguments.
7449         After checking arguments, replace them with magic arguments that
7450         prevent further checking of the args.
7451
7452 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7453
7454         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
7455
7456 2005-01-06  Roger Sayle  <roger@eyesopen.com>
7457
7458         PR target/6077
7459         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
7460         and %{.S:...} (and their negative variants) to test whether the
7461         input file is assembler or pre-processed-assembler independent of
7462         the actual filename extension.
7463
7464 2005-01-06  Roger Sayle  <roger@eyesopen.com>
7465
7466         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
7467         of sign or zero extended values.
7468
7469 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
7470
7471         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
7472         for IBM long double format correctly.
7473
7474 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
7475
7476         Fix PR tree-optimization/18792
7477
7478         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
7479         to first_loop_depth, and use loop depth instead of loop number.
7480         (build_classic_dir_vector): Ditto.
7481         (compute_data_dependences_for_loop): Use depth, not loop number.
7482         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
7483         number. Pass in loops, instead of loop numbers.
7484         (gather_interchange_stats): Ditto.
7485         (linear_transform_loops): Ditto.
7486
7487 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
7488
7489         PR rtl-opt/13299
7490         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
7491         biv_fits_mode_p, extension_within_bounds_p): New functions.
7492         (check_ext_dependent_givs): Use them.
7493
7494 2005-01-06  Roger Sayle  <roger@eyesopen.com>
7495
7496         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
7497         more than one barrier, in which case we should delete them all.
7498
7499 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
7500
7501         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
7502
7503 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
7504
7505         Fix PR middle-end/19286
7506         Fix PR debug/19267
7507         * dwarf2out.c (gen_subprogram_die): If we've already tried to
7508         output this subprogram, simply ignore this attempt to do it again.
7509         (add_abstract_origin_attribute): Don't abort trying to add the abstract
7510         origin attribute if it's not possible.
7511         (gen_block_die): Don't ignore subblocks of "unused" blocks.
7512         (decls_for_scope): Ditto.
7513         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
7514         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
7515
7516 2005-01-05  Richard Henderson  <rth@redhat.com>
7517
7518         PR target/11327
7519         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
7520         (bdesc_2arg): Use it.
7521         (ix86_expand_binop_builtin): Force operands into registers
7522         when optimizing.
7523         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
7524         ix86_expand_sse_compare, ix86_expand_sse_comi,
7525         ix86_expand_builtin): Likewise.
7526
7527 2005-01-05  Richard Henderson  <rth@redhat.com>
7528
7529         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
7530         and VEC_SELECT.
7531         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
7532         (mulv4hi3): Set itanium_class mmmul.
7533         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
7534         (fpack): Rename from fpack_sfsf.
7535
7536 2005-01-05  Richard Henderson  <rth@redhat.com>
7537
7538         PR rtl-opt/10692
7539         * reload1.c (do_input_reload): Restrict the optimization deleteing
7540         a previous output reload to RELOAD_FOR_INPUT.
7541
7542 2005-01-05  Steven Bosscher  <stevenb@suse.de>
7543
7544         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
7545         comment that we fall through after case.
7546         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
7547         (distribute_links): Likewise.
7548         * cse.c (cse_insn): Likewise.
7549         * cselib.c (cselib_invalidate_mem): Likewise.
7550         * df.c: Update comments at the top of the file.
7551         (read_modify_subreg_p): Update comments here too.
7552         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
7553         * flow.c (mark_set_1): Likewise.
7554         (mark_used_regs): Likewise.
7555         * gcse.c (mems_conflict_for_gcse_p): Likewise.
7556         (canon_list_insert): Likewise.
7557         (mark_set): Likewise.
7558         (try_replace_reg): Likewise.
7559         (store_killed_in_insn): Likewise.
7560         * loop.c (count_one_set): Likewise.
7561         (basic_induction_var): Likewise.
7562         * postreload-gcse.c (find_mem_conflicts): Likewise.
7563         * postreload.c (reload_combine_note_store): Likewise.
7564         (move2add_note_store): Likewise.
7565         * reload.c (find_equiv_reg): Likewise.
7566         (mark_referenced_resources): Likewise.
7567         * rtlanal.c (set_noop_p): Likewise.
7568         (note_stores): Likewise.
7569         (note_uses): Likewise.
7570         * sched-deps.c (sched_analyze_1): Likewise.
7571         * sched-rgn.c (check_live_1): Likewise.
7572         (update_live_1): Likewise.
7573         * config/i860/i860.c: Likewise.
7574
7575         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
7576         an lvalue.
7577         (ZERO_EXTRACT): Mention that this one can be an lvalue.
7578
7579         * doc/rtl.texi: Update documentation for bit-fields and SET.
7580
7581 2005-01-05  Roger Sayle  <roger@eyesopen.com>
7582
7583         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
7584
7585 2005-01-05  Jan Hubicka  <jh@suse.cz>
7586             Richard Henderson  <rth@redhat.com>
7587
7588         PR target/18910
7589         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
7590         with an offset.
7591
7592 2005-01-05  Richard Henderson  <rth@redhat.com>
7593
7594         PR target/12902
7595         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
7596         (sse_shufps): Change operand 3 to const_int_operand.
7597         (sse2_storelps): Fix typo in template.
7598         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
7599         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
7600         (ix86_expand_builtin): Likewise.
7601
7602 2005-01-05  Julian Brown  <julian@codesourcery.com>
7603
7604         * config/arm/arm.c (arm_return_in_memory): Treat complex types
7605         as aggregates for AAPCS ABIs.
7606
7607 2005-01-05  Stan Shebs  <shebs@apple.com>
7608
7609         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
7610         Mach-O getters if ppc64.
7611         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
7612         size argument.
7613         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
7614         signed four-byte field for global code case.
7615         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
7616
7617 2005-01-05  Roger Sayle  <roger@eyesopen.com>
7618
7619         PR middle-end/19100
7620         * c-common.c: Include real.h.
7621         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
7622         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
7623         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
7624         * Makefile.in (c-common.o): Update dependencies.
7625
7626 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
7627
7628         * c-parse.in (asm_string): Add trailing semicolon.
7629
7630 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
7631
7632         * c-parse.in (asm_string): New.  Don't allow wide strings in
7633         'asm'.
7634         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
7635         asm_string instead of STRING.
7636
7637 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
7638
7639         * c-typeck.c (constructor_no_implicit): Remove.
7640         (set_designator, process_init_element): Don't check
7641         constructor_no_implicit.
7642
7643 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
7644             Kaz Kojima  <kkojima@gcc.gnu.org>
7645
7646         PR target/16482
7647         * lcm.c (create_pre_exit): New.
7648         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
7649         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
7650
7651 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
7652
7653         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
7654         -msoft-float in target_float_switch.
7655         * arm.c (arm_override_options): Fix processing of target_float_switch.
7656
7657 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
7658
7659         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
7660         preferencing.
7661
7662 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
7663
7664         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
7665         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
7666
7667 2005-01-04  Roger Sayle  <roger@eyesopen.com>
7668
7669         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
7670         if deleting the then-block allows the test-block to fallthru to the
7671         else-block.
7672
7673 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
7674
7675         PR c/19152
7676         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
7677         after the full declaration if the are in two different TUs.
7678
7679 2005-01-04  Richard Henderson  <rth@redhat.com>
7680
7681         PR tree-opt/19158
7682         * tree-sra.c (generate_one_element_init): Just
7683         call gimplify_and_add.
7684         (generate_element_init): Record the
7685         new referenced variables and mark them for renaming
7686         and split out to ...
7687         (generate_element_init_1): This.
7688         (scalarize_init): Don't call push_gimplify_context/
7689         pop_gimplify_context.
7690
7691 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
7692
7693         * toplev.c (get_src_pwd): Handle failure of getpwd().
7694
7695 2005-01-04  Roger Sayle  <roger@eyesopen.com>
7696
7697         * fold-const.c (fold_single_bit_test): Delete unreachable handling
7698         of TRUTH_NOT_EXPR.
7699         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
7700         all the cases handled by it are inverted by invert_truthvalue.
7701
7702 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
7703
7704         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
7705         (save_register_windowsi): Likewise.
7706
7707 2005-01-04  Richard Henderson  <rth@redhat.com>
7708
7709         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
7710
7711 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
7712
7713         PR middle-end/17767
7714         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
7715         any simplifications of vector mode comparison operators.
7716         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
7717
7718 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
7719             Devang Patel  <dpatel@apple.com>
7720
7721         PR tree-optimization/18308
7722         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
7723         the operands before creating a new expression.
7724         * dojump.c (do_jump): Make drop_through_label available
7725         for all cases.  Add expansion of COND_EXPR.
7726
7727 2005-01-04  Ira Rosen  <irar@il.ibm.com>
7728
7729         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
7730         INTEGER_CST instead of TREE_CONSTANT.
7731         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
7732         instead of TREE_CONSTANT.
7733         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
7734         instead of TREE_CONSTANT.
7735
7736 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
7737
7738         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
7739
7740 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
7741
7742         PR target/19240
7743         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
7744         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
7745
7746 2005-01-03  Richard Henderson  <rth@redhat.com>
7747
7748         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
7749         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
7750         fold_convert_const_real_from_real): Split out from ...
7751         (fold_convert_const): ... here.
7752
7753 2005-01-03  Richard Henderson  <rth@redhat.com>
7754
7755         PR target/19235
7756         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
7757         (mov<MMXMODEI>_internal): Likewise.
7758         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
7759         Add V2SF case; use it for SSE1; don't use TI.
7760         (movdf_integer): Likewise.
7761         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
7762
7763 2005-01-03  Ira Rosen  <irar@il.ibm.com>
7764
7765         * tree-vectorizer.c (vect_strip_conversions): New function.
7766         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
7767         check for binary class.
7768
7769 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
7770
7771         Fix PR debug/17924
7772         Fix PR debug/19191
7773         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
7774         is a decl.
7775         * gimple-low.c (mark_blocks_with_used_vars): New function.
7776         (mark_blocks_with_used_subblocks): Ditto.
7777         (mark_used_blocks): Ditto.
7778         (pass_mark_used_blocks): New pass.
7779         * tree-inline.c: Include debug.h.
7780         (expand_call_inline): Call outlining_inline_function here.
7781         * tree-optimize.c (init_tree_optimization_passes): Add
7782         pass_mark_used_blocks.
7783         * tree-pass.h (pass_mark_used_blocks): New.
7784         * Makefile.in (tree-inline.o): Add debug.h dependency.
7785
7786 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
7787
7788         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
7789         VAR_DECLs to have weak_import attribute.
7790
7791         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
7792         'struct ucontext'.
7793
7794 2004-01-03  Steven Bosscher  <stevenb@suse.de>
7795
7796         * passes.c (rest_of_compilation): Don't run regmove if only
7797         flag_expensive_optimizations, require flag_regmove instead.
7798
7799 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
7800
7801         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
7802         register "sparc".
7803         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
7804         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
7805         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
7806         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
7807
7808 2005-01-03  Richard Henderson  <rth@redhat.com>
7809
7810         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
7811         (ia64_const_ok_for_letter_p): New.
7812         (ia64_const_double_ok_for_letter_p): New.
7813         (ia64_extra_constraint): New.
7814         (ia64_expand_vecint_compare): New.
7815         (ia64_expand_vcondu_v2si): New.
7816         (ia64_expand_vecint_cmov): New.
7817         (ia64_expand_vecint_minmax): New.
7818         (ia64_print_operand): Add 'v'.
7819         (ia64_preferred_reload_class): New.
7820         (ia64_vector_mode_supported_p): New.
7821         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
7822         (PREFERRED_RELOAD_CLASS): Move to function.
7823         (CONST_OK_FOR_LETTER_P): Move to function.
7824         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
7825         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
7826         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
7827         (EXTRA_CONSTRAINT): Move to function.
7828         * config/ia64/ia64.md: Include vect.md.
7829         (itanium_class): Add mmalua.
7830         (type): Handle it.
7831         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
7832         (1b_mmalua): New.
7833         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
7834         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
7835         CONST0_RTX.
7836         (const_int_2bit_operand): New.
7837         (fr_reg_or_0_operand): New.
7838         * config/ia64/ia64-modes.def: Add vector modes.
7839         * config/ia64/ia64-protos.h: Update.
7840         * config/ia64/vect.md: New file.
7841
7842 2005-01-03  Richard Henderson  <rth@redhat.com>
7843
7844         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
7845
7846 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
7847
7848         PR target/19236
7849         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
7850         to SFmode.
7851         (log1pdf2): Change mode of operands[0,1] to DFmode.
7852
7853 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
7854
7855         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
7856         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
7857         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
7858         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
7859         SPARC_RELAXED_ORDERING.
7860
7861 2005-01-03  Richard Henderson  <rth@redhat.com>
7862             Uros Bizjak  <uros@kss-loka.si>
7863
7864         PR target/14631
7865         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
7866         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
7867         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
7868         handling.
7869         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
7870         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
7871         const_pow2_1_to_128_operand): New predicates.
7872
7873 2005-01-02  Greg McGary  <greg@mcgary.org>
7874
7875         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
7876         anonymous decls.
7877         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
7878         object.  [ptr_type]: Remove unused variable.
7879         Remember nearest addressable array-element or record-component
7880         when checking bitfield components.  Tolerate empty BIND_EXPR.
7881
7882 2005-01-01  Richard Henderson  <rth@redhat.com>
7883
7884         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
7885         that don't narrow the value.  Fail for other conversions.
7886
7887 2005-01-01  Richard Henderson  <rth@redhat.com>
7888
7889         PR c/19031
7890         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
7891         * c-lang.c (finish_file): Don't do it here.
7892         * objc/objc-act.c (objc_finish_file): Likewise.
7893
7894         * cgraph.c (decl_assembler_name_equal): New.
7895         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
7896         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
7897         * cgraph.h (struct cgraph_varpool_node): Add next.
7898         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
7899         * varasm.c (assemble_alias): Mark the target as needed.
7900
7901 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
7902
7903         PR middle-end/19221
7904         * function.c (get_arg_pointer_save_area): Use entry_of_function
7905         instead of get_insns.
7906
7907 2005-01-01  Roger Sayle  <roger@eyesopen.com>
7908             Andrew Pinski  <pinskia@physics.uc.edu>
7909             James E. Wilson  <wilson@specifixinc.com>
7910
7911         PR rtl-optimization/12092
7912         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
7913         is zero.
7914
7915 2005-01-01  Roger Sayle  <roger@eyesopen.com>
7916             Olivier Hainque  <hainque@act-europe.fr>
7917
7918         * tree.c (int_fits_type_p): A narrower type always fits in a
7919         wider one, except for negative values into unsigned types.
7920
7921 2005-01-01  Roger Sayle  <roger@eyesopen.com>
7922
7923         * tree.c (int_fits_type_p): Compare the result of force_fit_type
7924         with the original constant rather than require TREE_OVERFLOW.
7925
7926 2005-01-01  Steven Bosscher  <stevenb@suse.de>
7927
7928         PR middle-end/17544
7929         * c-decl.c (finish_function): If compiling C99, annotate the
7930         compiler generated return with the current file name and line 0.
7931         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
7932         the source line is greater than 0.
7933         (remove_bb): Likewise.
7934
7935 See ChangeLog.12 for earlier changes.