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1 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
2
3         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
4         of CALL_EXPR.
5         (expand_builtin_memcpy, fold_builtin_1): Update calls to
6         fold_builtin_memcpy.
7
8         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
9         arguments of CALL_EXPR.
10         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
11         fold_builtin_found, fold_builtin_1): Update calls to
12         fold_trunc_transparent_mathfn.
13
14 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15
16         PR middle-end/20493
17         * fold-const.c (fold_widened_comparison): Don't optimize casts of
18         function pointers on targets that require function pointer
19         canonicalization.
20         (fold_sign_changed_comparison): Likewise.
21
22 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
23
24         * combine.c (try_combine): When changing the mode of a hard reg, make
25         sure that doing so is valid.
26
27 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
28
29         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
30         (TARGET_HANDLE_OPTION): Override default.
31         (avr_handle_option): New function.
32         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
33         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
34         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
35         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
36         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
37         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
38         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
39         (TARGET_OPTIONS): Delete.
40         * config/avr/avr.opt: New file.
41
42 2005-03-18  James E Wilson  <wilson@specifixinc.com>
43
44         PR c++/19769
45         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
46         origin.
47
48 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
49
50         * config/mn10300/mn10300-protos.h: Remove the prototypes for
51         call_address_operand, const_8bit_operand.
52         * config/mn10300/mn10300.c (call_address_operand,
53         const_8bit_operand, const_1f_operand): Move to predicates.md.
54         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
55         * config/mn10300/mn10300.md: Include predicates.md.
56         * config/mn10300/predicates.md: New.
57
58 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
59
60         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
61         declarations in diagnostics and %E for identifiers, not %s.
62
63 2005-03-18  Jan Hubicka  <jh@suse.cz>
64             Dale Johannesen  <dalej@apple.com>
65
66         * basic-block.h (scale_bbs_frequencies_int,
67         scale_bbs_frequencies_gcov_type): Declare.
68         * cfg.c (RDIV): New macro.
69         (update_bb_frequency_for_threading): Fix.
70         * basic-block.h (scale_bbs_frequencies_int,
71         scale_bbs_frequencies_gcov_type): New.
72         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
73         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
74         scale_bbs_frequencies_int.
75         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
76
77 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
78
79         * config/m32r/m32r-protos.h: Remove the prototypes for
80         call_address_operand, symbolic_operand, seth_add3_operand,
81         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
82         reg_or_uint16_operand, reg_or_cmp_int16_operand,
83         two_insn_const_operand, move_src_operand,
84         move_double_src_operand, move_dest_operand,
85         eqne_comparison_operator, signed_comparison_operator,
86         large_insn_p, conditional_move_operand, carry_compare_operand,
87         m32r_block_immediate_operand, extend_operand,
88         reg_or_eq_int16_operand, int8_operand, and
89         reg_or_zero_operand.
90         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
91         seth_add3_operand, int8_operand, cmp_int16_operand,
92         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
93         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
94         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
95         move_double_src_operand, move_dest_operand,
96         eqne_comparison_operator, signed_comparison_operator,
97         extend_operand, small_insn_p, large_insn_p,
98         conditional_move_operand, carry_compare_operand,
99         m32r_block_immediate_operand): Move to predicates.md.
100         (MAX_MOVE_BYTES): Move to m32r.h.
101         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
102         * config/m32r/m32r.md: Include predicates.md.
103         * config/m32r/predicates.md: New.
104
105         * config/pa/pa-protos.h: Add prototypes for magic_milli and
106         shadd_constant_p.
107         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
108         symbolic_operand, symbolic_memory_operand,
109         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
110         indexed_memory_operand, move_dest_operand, move_src_operand,
111         prefetch_cc_operand, prefetch_nocc_operand,
112         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
113         arith_operand, arith11_operand, pre_cint_operand,
114         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
115         ireg_operand, int5_operand, uint5_operand, int11_operand,
116         uint32_operand, arith5_operand, and_operand, ior_operand,
117         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
118         pc_or_label_operand, div_operand, plus_xor_ior_operator,
119         shadd_operand, movb_comparison_operator,
120         cmpib_comparison_operator): Move to predicates.md.
121         (magic_milli, shadd_constant_p): Make it extern.
122         * config/pa/pa.h (PREDICATE_CODES): Remove.
123         * config/pa/pa.md: Include predicates.md.
124         * config/pa/predicates.md: New.
125
126         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
127         predicate.
128
129 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
130
131         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
132         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
133         config/alpha/freebsd.h, config/alpha/linux.h,
134         config/alpha/netbsd.h, config/alpha/osf5.h,
135         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
136         config/h8300/h8300-protos.h, config/h8300/h8300.c,
137         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
138         doc/cppopts.texi: Update copyright.
139
140 2005-03-18  Jan Hubicka  <jh@suse.cz>
141
142         PR middle-end/20225
143         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
144         too late.
145         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
146         called too late.
147
148 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
149
150         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
151         VEC_safe_push.
152
153 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
154
155         * combine.c (gen_binary): Remove.
156         (known_cond, simplify_shift_const, find_split_point,
157         combine_simplify_rtx, simplify_if_then_else, simplify_set,
158         simplify_logical, expand_field_assignment, extract_left_shift,
159         force_to_mode, if_then_else_cond, apply_distributive_law,
160         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
161         simplify_comparison, reversed_comparison): Replace with
162         simplify_gen_binary, simplify_gen_relational or
163         distribute_and_simplify_rtx.
164         (distribute_and_simplify_rtx): New function.
165
166 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
167             Paolo Bonzini  <gcc.gnu.org>
168
169         * calls.c (setjmp_call_p, special_function_p): Update comments
170         at the head of the functions.
171
172 2005-03-18  Jan Hubicka  <jh@suse.cz>
173
174         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
175
176         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether 
177         function body should be released; do not proactively release function
178         bodies in non-unit-at-a-time mode.
179
180 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
181
182         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
183         mno-fp-ret-in-387 multilib variants.
184
185 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
186
187         * common.opt (m): Remove.
188         * opts.c (handle_option): Pass 'm' options to set_target_switch if
189         table lookup fails.
190         (common_handle_option): Remove OPT_m case.
191
192 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
193
194         * builtins.c (fold_builtin_bitop): Take decomposed arguments
195         of CALL_EXPR.
196         (fold_builtin_1): Update a call to fold_builtin_bitop.
197
198         * builtins.c (fold_builtin_signbit): Take decomposed arguments
199         of CALL_EXPR.
200         (fold_builtin_1): Update a call to fold_builtin_signbit.
201
202 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
203
204         PR tree-optimization/20474
205         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the 
206         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
207
208 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
209
210         * config/h8300/h8300-protos.h: Remove prototypes for
211         general_operand_src, general_operand_dst, single_one_operand,
212         single_zero_operand, call_insn_operand,
213         two_insn_adds_subs_operand, small_call_insn_operand,
214         jump_address_operand, bit_operand, bit_memory_operand,
215         stack_pointer_operand, const_int_gt_2_operand,
216         const_int_ge_8_operand, const_int_qi_operand,
217         const_int_hi_operand, incdec_operand, bit_operator,
218         nshift_operator, eqne_operator, gtle_operator,
219         gtuleu_operator, iorxor_operator.
220         Add prototypes for h8sx_shift_type h8sx_classify_shift and
221         h8300_ldm_stm_parallel.
222         * config/h8300/h8300.c (h8sx_shift_type,): Move to
223         h8300-protos.h.
224         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
225         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
226         (h8300_ldm_stm_parallel): Make it extern.
227         (h8300_ldm_parallel, h8300_stm_parallel,
228         h8300_return_parallel, general_operand_src,
229         general_operand_dst, h8300_dst_operand, h8300_src_operand,
230         nibble_operand, reg_or_nibble_operand, single_one_operand,
231         single_zero_operand, call_insn_operand,
232         two_insn_adds_subs_operand, small_call_insn_operand,
233         jump_address_operand, bit_operand, bit_memory_operand,
234         stack_pointer_operand, const_int_gt_2_operand,
235         const_int_ge_8_operand, const_int_qi_operand,
236         const_int_hi_operand, incdec_operand, eqne_operator,
237         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
238         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
239         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
240         nshift_operator): Move to predicates.md.
241         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
242         * config/h8300/h8300.md: Include predicates.md.
243         * config/h8300/predicates.md: New.
244
245 2005-03-17  Richard Henderson  <rth@redhat.com>
246
247         * config.gcc (ia64*-*-hpux*): Add extra_options.
248         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
249         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
250         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
251         (ia64_tls_size_string, ia64_tune_string): Remove.
252         (ia64_tune): Init to PROCESSOR_ITANIUM2.
253         (TARGET_DEFAULT_TARGET_FLAGS): New.
254         (TARGET_HANDLE_OPTION): New.
255         (ia64_override_options): Move options parsing ...
256         (ia64_handle_option): ... here.  New.
257         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
258         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32, 
259         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
260         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
261         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
262         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM, 
263         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD, 
264         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
265         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
266         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
267         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
268         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
269         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
270         TARGET_EARLY_STOP_BITS): Remove.
271         (TARGET_ILP32): Default false.
272         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
273         (enum ia64_inline_type): New.
274         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
275         * config/ia64/ia64.md: Update for new definitions of
276         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
277         * config/ia64/ia64.opt: New file.
278         * config/ia64/ilp32.opt: New file.
279
280 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
281
282         PR target/18380
283         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
284
285 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
286
287         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
288         instead of MASK_H8300S.
289         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
290         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
291         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
292         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
293         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
294         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
295         TARGET_SWITCHES): Remove.
296         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
297         TARGET_H8300SX.
298         * config/h8300/h8300.opt: New.
299
300         * config/alpha/alpha.opt, config/arc/arc.opt,
301         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
302         notices.
303
304 2005-03-17  Ian Lance Taylor  <ian@airs.com>
305
306         * gmon.c: Remove.
307
308 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
309
310         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
311         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
312         (TARGET_HANDLE_OPTION): Override default.
313         (arc_handle_option): New function.
314         (arc_init): Remove code to set arch_cpu_string.
315         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
316         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
317         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
318         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
319         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
320         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
321         (arc_rodata_string, TARGET_OPTIONS): Delete.
322         * config/arc/arc.opt: New file.
323
324 2005-03-17  Richard Henderson  <rth@redhat.com>
325
326         * doc/extend.texi (Weak Pragmas): New section.
327         (attribute alias): Clarify that target must be in the same
328         translation unit.
329
330 2005-03-17  Richard Henderson  <rth@redhat.com>
331
332         * config/alpha/alpha.opt: New file.
333         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
334         of alpha_cpu.
335         (alpha_cpu_string, alpha_tune_string, alpha_tp_string, 
336         alpha_fprm_string, alpha_fptm_string): Make static.
337         (alpha_tls_size_string): Remove.
338         (alpha_handle_option): New.
339         (override_options): Update for alpha_cpu/alpha_tune split.
340         (alpha_file_start): Likewise.
341         (TARGET_DEFAULT_TARGET_FLAGS): New.
342         (TARGET_HANDLE_OPTION): New.
343         * config/alpha/alpha.h (alpha_tune): Declare.
344         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS, 
345         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
346         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
347         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
348         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
349         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
350         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
351         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
352         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
353         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
354         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
355         (TARGET_DEFAULT): Remove MASK_FP.
356         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
357         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
358         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
359         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
360         alpha_tls_size_string): Remove.
361         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
362         (attribute tune): Rename from attribute cpu.
363         * config/alpha/ev4.md: Update to match.
364         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
365         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
366         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
367         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
368         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
369         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
370
371 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
372
373         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
374         and return without creating new state if before_nops_num is nonzero.
375         * config/ia64/ia64.md (first_insn): New attribute.
376         (alloc): Set it to yes.
377
378 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
379
380         * tree-vectorizer.c (new_vec_stmt_info): Initialize
381         STMT_VINFO_SUBVARS to NULL.
382         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
383         
384 2005-03-16 Dale Johannesen  <dalej@apple.com>
385
386         * rtlanal.c (find_first_parameter_load):  Rewrite to
387         return actual first param load or the call if none,
388         instead of first in block, when not all loads exist.
389
390 2005-03-16  Roger Sayle  <roger@eyesopen.com>
391
392         * optabs.c (expand_copysign_absneg): Make static.
393         * optabs.h (expand_copysign_absneg): Delete prototype.
394         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
395
396 2005-03-16  Richard Henderson  <rth@redhat.com>
397
398         PR middle-end/15700
399         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
400         (alias_pairs): Rename from output_defs.
401         (find_decl_and_mark_needed): Split out from assemble_alias.
402         (do_assemble_alias): New.
403         (assemble_output_def): Remove.
404         (finish_aliases_1, finish_aliases_2): New.
405         (process_pending_assemble_output_defs): Remove.
406         (assemble_alias): Defer aliases for which we don't yet have a
407         non-external decl for the target symbol.
408         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
409         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
410         * toplev.c (compile_file): Use finish_aliases_2 instead of
411         process_pending_assemble_output_defs.
412         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
413         (process_pending_assemble_output_defs): Remove.
414
415 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
416         
417         Fix PR tree-optimization/20489
418
419         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
420         for empty structures.
421
422 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
423
424         Fix PR tree-optimization/20490
425         
426         * tree-ssa-pre.c (create_expression_by_pieces): Use
427         force_gimple_operand on result of fold.
428
429 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
430
431         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
432         of closing parenthesis.
433
434 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
435
436         * builtins.c (expand_movstr): Update a call to
437         fold_builtin_strcpy.
438         (expand_builtin_strncpy): Update a call to
439         fold_builtin_strncpy.
440         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
441         arguments of CALL_EXPR.
442         (fold_builtin_1): Update calls to fold_builtin_strcpy and
443         fold_builtin_strncpy.
444         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
445         * tree.h: Update the prototypes of fold_builtin_strcpy and
446         fold_builtin_strncpy.
447
448 2005-03-16  Steven Bosscher  <stevenb@suse.de>
449             Dorit Naishlos  <dorit@il.ibm.com>
450
451         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy 
452         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero" 
453         error.
454
455 2005-03-16  Steven Bosscher  <stevenb@suse.de>
456
457         * tree-inline.c (walk_type_fields, walk_tree,
458         walk_tree_without_duplicates): Move from here...
459         * tree.c: ...to here.
460
461 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
462
463         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
464         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
465         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
466         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
467         (version): Define using $(BASEVER_c).
468         (Makefile, config.status, build/gcov-iov.o): No longer depends on
469         version.c.
470         (version.o): Depend on version files; add custom generation command.
471         (prefix.o): Define BASEVER on command line.
472         (s-iov): Depend on version files; adjust command.
473         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
474         Add gcc-vers.texi.
475         (gcc-vers.texi): New rule.
476         (doc/%.info, doc/%.dvi): Add -I . to command line.
477         (doc/gccinstall.dvi): Likewise.
478         (PACKAGE): Delete.  All uses replaced with "gcc".
479         * aclocal.m4: Do not include gcc-version.m4.
480         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
481         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
482         Set is_release based on contents of DEV-PHASE.
483         Set gcc_version based on contents of BASE-VER.
484         Define WIN32_REGISTRY_KEY only if the user overrode the default.
485         * config.in, configure: Regenerate.
486         * gccbug.in: Determine version of GCC in use at runtime.
487         * gcov-iov.c: Get version number and development phase from
488         command line, not by including version.c.
489         * intl.c: Replace all uses of PACKAGE with "gcc".
490         * libada-mk.in: Delete unused "gcc_version" variable.
491         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
492         * version.c: (VERSUFFIX): New hook for redistributors; adjust
493         commentary to match.
494         (version_string): Put together from pieces.
495         * config/alpha/x-vms: Do not use $(gcc_version).
496         * config/i386/t-nwld: Likewise.
497         * doc/include/gcc-common.texi: Include gcc-vers.texi for
498         version-GCC and DEVELOPMENT.
499
500 2005-03-15  Roger Sayle  <roger@eyesopen.com>
501
502         PR tree-optimization/17454
503         * tree.c (tree_size): Add case for TREE_BINFO.
504         * fold-const.c (fold_checksum_tree): Only clear the overloaded
505         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
506
507 2005-03-15  Roger Sayle  <roger@eyesopen.com>
508
509         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
510         op1 whilst expanding the signed widenening multiply variant.
511
512 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
513
514         * toplev.c (display_target_options): Avoid unused variable warning if
515         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
516         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
517         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
518         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
519         (mips_isa_info): New variable.
520         (mips_parse_cpu): Remove the first argument and leave the caller
521         to report errors.
522         (TARGET_HANDLE_OPTION): Override default.
523         (mips_handle_option): New function.  Move option validation code from...
524         (override_options): ...here.  Update calls to mips_parse_cpu.
525         * config/mips/mips.h (mips_arch_string, mips_tune_string)
526         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
527         (SUBTARGET_TARGET_OPTIONS): Delete.
528         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
529         (mno-flush-func, mtune=): New options.
530
531 2005-03-15  Roger Sayle  <roger@eyesopen.com>
532             Richard Henderson  <rth@redhat.com>
533
534         * real.c (c4x_single_format, c4x_extended_format): Provide values
535         for signbit_ro for c4x's single and extended floating point formats.
536         * optabs.c (expand_copysign): Use the floating point format's
537         signbit_ro for expanding via expand_copysign_absneg, and it's
538         signbit_rw field for expanding via expand_copysign_bit.
539
540 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
541
542         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
543         known_alignment_for_access_p.
544         (known_alignment_for_access_p): New.
545         (do_peeling_for_alignment): Field made int instead of bool and renamed
546         to peeling_for_alignment.
547         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
548         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
549         functionality used to be in vect_analyze_operations.
550         (vect_analyze_operations): Code to determine vectorization factor was
551         moved to vect_determine_vectorization_factor.
552         (vect_enhance_data_refs_alignment): Update to correct alignment when it
553         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
554         factor.
555         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
556         be part of vect_analyze_operations).
557         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
558         creating the guard condition, as the number of iterations may be
559         constant.
560         (slpeel_tree_peel_loop_to_edge): Use new name of
561         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
562         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
563         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
564         (vect_do_peeling_for_alignment): Use fold.
565         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
566
567         (vect_update_inits_of_dr): Renamed to
568         vect_update_init_of_dr.
569         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
570         (vectorizable_store): Fix assertion to use == instead of =.
571
572 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
573
574         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
575         call_used_regs for wCG registers.
576
577 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
578
579         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
580         for non-offsettable memory references to cope with outstanding reload
581         replacements, take 2.
582
583 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
584
585         PR target/18668
586         * config/i386/i386.h (x86_fisttp): New.
587         (TARGET_FISTTP): New macro.
588         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
589         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
590         instruction when fisttp flag is set.
591         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
592
593         * config/i386/i386.md (type attribute): Add fisttp.
594         (unit attribute): Set to i387 for fisttp type.
595         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
596         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
597         TARGET_FISTTP.
598         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
599         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
600         macros.
601         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
602         patterns for TARGET_FISTTP.  Enable patterns for
603         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
604         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
605         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
606         implement fisttp x87 insn.
607         (fix_trunc*_i387_fisttp splitters): New patterns.
608         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
609         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
610         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
611         clobber.
612         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
613         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
614         Implement using mode macros. Disable patterns for TARGET_FISTTP.
615         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
616         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
617         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
618         Disable patterns for TARGET_FISTTP.
619         (fix_trunc*_i387 splitters): Implement usign mode macros.
620         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
621         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
622         (fix_trunx*_sse peephole2s): Implement using mode macros.
623
624 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
625
626         PR rtl-optimization/20291
627         * combine.c (try_combine): If splitting fails, re-try with
628         original combined pattern, i.e. before clobber stripping.
629
630 2005-03-14  Eric Christopher  <echristo@redhat.com>
631
632         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
633         STACK_GROWS_DOWNWARD.
634
635 2005-03-14  Roger Sayle  <roger@eyesopen.com>
636
637         * real.h (struct real_format): Split the signbit field into two
638         two fields, signbit_ro and signbit_rw.
639         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
640         mips_double_format, ieee_extended_motorola_format,
641         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
642         ieee_extended_intel_128_format, ibm_extended_format,
643         mips_extended_format, ieee_quad_format, mips_quad_format,
644         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
645         i370_double_format, c4x_single_format, c4x_extended_format,
646         real_internal_format): Update initializers for new field.
647         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
648         real_format structure.
649         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
650         field of the real_format structure.
651
652 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
653
654         Fix PR tree-optimization/20458
655
656         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
657         DECL_EXTERNAL on STRUCT_FIELD tags.
658         (clear_call_clobbered): Ditto.
659         * tree-ssa-operands.c (note_addressable): Make sure the original
660         variable doesn't slip into the addressable list if we have
661         subvars.
662         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
663         tags too.
664
665 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
666
667         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
668         (-fwide-exec-charset): Likewise.
669         (-finput-charset): Likewise.
670         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
671         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
672         * c.opt (Wnormalized): New.
673
674 2005-03-14  Devang Patel  <dpatel@apple.com>
675
676         * doc/invoke.texi: Add reference to Visibility document.
677
678 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
679
680         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
681         MASK_SPLIT_ADDRESSES.
682         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
683         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
684         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
685         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
686         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
687         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
688         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
689         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
690         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
691         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
692         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
693         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
694         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
695         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
696         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
697         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
698         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
699         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
700         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
701         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
702         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
703         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
704         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
705         (TARGET_EXPLICIT_RELOCS): Delete.
706         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
707         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
708         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
709         (override_options): Set MASK_LONG64 if -mint64 is given and no
710         -mlongXX option is.  Complain about -mint64 -mlong32.
711         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
712         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
713         * config/mips/mips.opt: New file.
714
715 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
716
717         * config.gcc (extra_options): New variable for listing option files.
718         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
719         * configure.ac (extra_opt_files): New AC_SUBST variable.
720         (tm_file_list, tm_include_list): Include options.h first.
721         * configure: Regenerate.
722         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
723         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
724         (s-options-h): New rule.
725         (options.h): Depend on it.
726         (TEXI_GCCINT_FILES): Add options.texi.
727         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
728         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
729         * target.h (gcc_target): Add default_target_flags and handle_option.
730         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
731         (TARGET_HANDLE_OPTION): New macros.
732         (TARGET_INITIALIZER): Include them.
733         * opt-functions.awk (opt_args, nth_arg): New functions.
734         (switch_flags): Handle the "Target" flag.
735         (var_args): Delete.
736         (var_name): Use opt_args and nth_arg.
737         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
738         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
739         macros for the "Mask" and "InverseMask" options.
740         * opts.h (cl_var_cond): New enum.
741         (cl_option): Replace the "has_set_value" and "set_value" fields with
742         "var_cond" and "var_value".
743         (CL_TARGET): New macro.
744         (option_enabled, print_filtered_help): Declare.
745         (decode_options): Move definition.
746         * opts.c (handle_option): Search for the original option before
747         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
748         var_cond and var_value fields.  Use targetm.handle_option to handle
749         target options.
750         (decode_options): Set target_flags to targetm.default_target_flags.
751         (print_filtered_help): Make global.  Handle CL_TARGET.
752         (option_enabled): New function.
753         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
754         (display_target_options, set_target_switch, print_switch_values)
755         (default_pch_valid_p): Guard uses of target_switches with
756         #ifdef TARGET_SWITCHES.  Also...
757         (display_target_options): Display the CL_TARGET entries in cl_options.
758         (set_target_option): Don't complain about the "" option when
759         TARGET_SWITCHES is undefined.
760         (print_switch_values): Use option_enabled.
761         (default_pch_valid_p): Check cl_options[] when looking for something
762         that has changed the value of target_flags.
763         * c.opt: Remove documentation from top of file.
764         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
765         * doc/sourecebuild.texi: Refer to the new options documentation
766         instead of c.opt.  Document machine-specific .opt files.
767         * doc/tm.texi (target_flags): Say that this variable is declared
768         by options.h.
769         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
770         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
771         an alternative.
772         * doc/options.texi: New file.
773
774 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
775
776         PR middle-end/18628
777         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
778         register.
779
780 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
781
782         PR c++/20280
783         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
784         temporary variable of pointer type if an lvalues is required.
785         (gimplify_modify_expr_rhs): Request an rvalue from it.
786         (gimplify_expr): Pass fallback on.
787
788 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
789
790         * cfgbuild.c: Update comments.
791
792 2005-03-14  Roger Sayle  <roger@eyesopen.com>
793
794         PR rtl-optimization/17236
795         * optabs.c (expand_doubleword_mult): New helper function split out
796         from expand_binop.  Permute the order in which instructions are
797         emitted to minimize the number of simultaneously live registers.
798         (expand_binop): Call expand_doubleword_mult to synthesize a double
799         word multiplication.
800
801 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
802
803         * basic-block.h: Update the prototypes of cached_make_edge and
804         rtl_make_eh_edge.
805         * cfg.c (cached_make_edge): Take edge_cache representing one
806         row of the adjacency matrix of edges.
807         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
808         (make_edges): Initialize edge_cache to represent one row of
809         the adjacency matrix of edges.
810
811 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
812
813         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
814         New functions.
815         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
816         Remove unused removed_phis variable.
817         (conditional_replacement): Use build1/build2.
818         (abs_replacement): Use last_and_only_stmt and build1/build2.
819
820 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
821
822         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
823         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
824         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
825         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
826         * c-common.c (handle_novops_attribute): New function.
827         (c_common_attribute_table): Add "no vops" entry.
828         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
829         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
830         * tree-ssa-operands.c (get_call_expr_operands): Do not
831         create virtual operands for calls with ECF_NOVOPS flag.
832         * tree.h (DECL_IS_NOVOPS): New macro.
833         (struct tree_decl): Add novops_flag.
834         (ECF_NOVOPS): New constant.
835
836 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
837
838         PR target/17688
839         * config/i386/i386.c (x86_use_himode_fiop): New.
840         (x86_use_simode_fiop): Rename from x86_use_fiop.
841         * config/i386/i386.h (x86_use_himode_fiop): Declare.
842         (TARGET_USE_HIMODE_FIOP): New.
843         (x86_use_simode_fiop): Rename from x86_use_fiop.
844         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
845
846         * config/i386/i386.md (X87MODEI12): New mode macro define.
847         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
848         to implement x87 FP compare with HImode input operands.
849         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
850         Use X87MODEI12 mode macro to handle HImode input operands.
851         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
852         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
853         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
854         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
855         macro to implement x87 operators with HImode input operands.
856         (fop splitters): Use X87MODEI12 mode macro to handle HImode
857         input operands.
858
859 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
860
861         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
862         integer_zerop.
863         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
864         constants invariant.
865
866 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
867
868         * basic-block.h (BB_VISITED): Removed.
869         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
870
871 2005-03-14  Falk Hueffner  <falk@debian.org>
872
873         PR bootstrap/20424
874         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
875
876 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
877
878         * ggc-zone.c: Fix comment typos.
879
880         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
881         stringpool.c, config/mips/mips-protos.h: Update copyright.
882
883 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
884
885         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
886         throughout with its typedef, "rtx".
887         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
888         (rs6000_tls_symbol_ref_1): Remove inline keyword.
889         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
890         regs in comment to match code.
891
892 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
893
894         * except.c (check_handled): Make it static.
895         * except.h: Remove the corresponding prototype.
896
897         * function.c (get_func_frame_size): Make it static.
898         * function.h: Remove the corresponding type.
899
900         * regclass.c (reg_class_superclasses, reg_class_subclasses):
901         Make them static.
902         * hard-reg-set.h: Remove the corresponding declarations.
903
904         * tree-cfg.c (verify_stmts): Check that
905         bb_for_stmt (stmt) == bb for every PHI node and statement.
906
907 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
908
909         * config.gcc: Remove excess indentation.
910         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
911
912 2005-03-13  Roger Sayle  <roger@eyesopen.com>
913
914         PR middle-end/19331
915         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
916         * fold-const.c (fold_sign_changed_comparison): Likewise.
917         (fold_binary): Optimize comparisons against widened operands if
918         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
919
920 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
921
922         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
923         (sparc_override_options): Initialize it.
924         (sparc_struct_value_rtx): Set it on the MEM to be returned.
925
926 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
927
928         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
929         (reg_or_none500mem_operand): New predicate.
930         (zero_reg_mem_operand): New predicate.
931         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
932         to reg_or_none500mem_operand.
933         (extendsfdf2_fpr): Add MEM alternative.
934         (extenddftf2_internal): Change operand2 predicate to
935         zero_reg_mem_operand.
936
937 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
938
939         * ggc-zone.c: Rewritten.
940
941         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
942         if there are none.
943         * configure.ac: Define GGC_ZONE for --with-gc=zone.
944         * config.in: Regenerated.
945         * configure: Regenerated.
946         * gengtype.c (write_types_process_field, write_func_for_structure):
947         Pass new argument to gt_pch_note_object.
948         * ggc-common.c (struct ptr_data): Add TYPE.
949         (gt_pch_note_object): Take TYPE argument and save it.
950         (call_count): Update call to ggc_pch_count_object.
951         (call_alloc): Update call to ggc_pch_alloc_object.
952         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
953         file.
954         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
955         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
956         (ggc_alloc_zone_stat): Delete.
957         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
958         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
959         (ggc_pch_alloc_object): Update prototypes.
960         (garbage_zone): Delete.
961         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
962         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
963         pointers.
964         (tree_id_zone): New variable.
965         (ggc_alloc_cleared_zone): Remove unused.
966         (ggc_alloc_zone): Define.
967         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
968         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
969         ggc_alloc_zone_stat.
970         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
971         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
972         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
973         (make_node_stat): Likewise.  Use tree_id_zone.
974
975 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
976             Joseph S. Myers  <joseph@codesourcery.com>
977
978         * configure.ac: Check for MIPS TLS.
979         * configure: Regenerated.
980         * config/mips/mips-protos.h (enum mips_symbol_type): Add
981         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
982         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
983         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
984         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
985         (mips_classify_symbol, mips_symbolic_constant_p)
986         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
987         (mips_tls_operand_p, mips_call_tls_get_addr)
988         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
989         (mips_tls_symbol_ref_1): New functions.
990         (mips_legitimize_address, mips_legitimize_const_move): Call
991         mips_legitimize_tls_address.
992         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
993         for MIPS16.
994         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
995         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
996         (mips_char_to_class): Document V1_REG.
997         (HAVE_AS_TLS): Provide default.
998         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
999         constants.
1000         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
1001         !TARGET_ABICALLS.
1002         (tls_get_tp_<mode>): New instruction.
1003
1004 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1005
1006         * configure.ac: Update checks for target tools.
1007         * configure: Regenerated.
1008
1009 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1010
1011         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
1012
1013 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1014
1015         * expmed.c (expand_mult): Use synthetic multiplication sequences for
1016         more classes of DImode multiplication by constant.  Allow both
1017         multiplication by small negative constants (by performing a
1018         multiplication by a positive constant and negating the result) and
1019         multiplications by large powers of two, by using a left shift.
1020
1021 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1022
1023         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
1024         of basic blocks into work_stack.
1025
1026         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
1027         config/mips/vr.h: Update copyright.
1028
1029         * c-decl.c (c_init_decl_processing): Remove useless calls to
1030         build_function_type.
1031
1032         * builtins.c (fold_trunc_transparent_mathfn,
1033         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
1034         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
1035         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
1036         fold_builtin_strcpy, fold_builtin_strncpy,
1037         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
1038         TREE_TYPE (exp).
1039
1040         * builtins.c (expand_builtin_mathfn_3): Remove local variable
1041         before_call.
1042
1043         * lambda-code.c (lambda_compute_auxillary_space): Remove local
1044         variable determinant.
1045
1046         * tree-cfg.c (group_case_labels): Remove local variable type.
1047
1048         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
1049         variable ann.
1050
1051         * tree-ssa-phiopt.c (value_replacement): Remove local variable
1052         result.
1053
1054 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1055
1056         PR target/18251
1057         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
1058         (*movmemqi_insn): Delete.
1059         (*movmemhi): Delete.
1060
1061 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1062
1063         * builtins.c (fold_builtin_classify): Take decomposed
1064         arguments of CALL_EXPR.
1065         (fold_builtin_1): Update a call to fold_builtin_classify.
1066
1067 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
1068
1069         PR c/20402
1070         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
1071         through into call to parser_xref_tag after parse error.
1072         (c_parser_struct_declaration): Consistently return NULL_TREE on
1073         error.
1074
1075 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
1076
1077         * tree-flow-inline.h (ref_contains_array_ref): New function.
1078         (lookup_subvars_for_var): Ditto.
1079         (get_subvars_for_var): Ditto.
1080         (var_can_have_subvars): Ditto.
1081
1082         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
1083         (struct subvar): New type.
1084
1085         * tree-dfa.c (okay_component_ref_for_subvars): New function.
1086
1087         * tree-optimize.c (init_tree_optimization_passes): Call
1088         pass_create_structure_vars.
1089
1090         * tree-ssa-alias.c: Include vec.h.
1091         (init_alias_info): Don't auto-clear call clobbered on struct-field
1092         tags.
1093         (compute_flow_insensitive_aliasing): Handle subvars.
1094         (group_aliases): Handle STRUCT_FIELD aliases.
1095         (setup_pointers_and_addressables): Ditto.
1096         Don't mark variables non-addressable if they still have
1097         addressable subvars.
1098         Also mark subvars addressable when the real variable is marked
1099         addressable.
1100         (add_pointed_to_var): Try to prune the pointed-to set by only
1101         pointing to subvars when possible.
1102         Otherwise, make sure we set addresses_needed and pt_vars to
1103         properly include subvars.
1104         (bitpos_of_field): New function.
1105         (push_fields_onto_fieldstack): Ditto.
1106         (get_or_create_used_part_for): Ditto.
1107         (create_overlap_variables_for): Ditto.
1108         (find_used_portions): Ditto.
1109         (create_structure_vars): Ditto.
1110         (pass_create_structure_vars): New structure.
1111
1112         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
1113         (get_expr_operands): Handle subvars.  Also try to turn
1114         COMPONENT_REF accesses into must-defs now that we can accurately
1115         portray it.
1116         (note_addressable): Try to only mark as addressable those subvars
1117         we know a COMPONENT_REF touches.
1118         (overlap_subvar): New function.
1119
1120         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
1121         Handle subvar storing.
1122         (vect_address_analysis): Update caller of vect_object_analysis.
1123
1124         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
1125
1126         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
1127         (STMT_VINFO_SUBVARS): New macro.
1128
1129         * common.opts: add flag_tree_salias.
1130
1131         * opts.c (decode_options): flag_tree_salias defaults to on.
1132
1133         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
1134
1135         * doc/tree-ssa.texi: Document structural alias analysis.
1136
1137 2005-03-12  Steven Bosscher  <stevenb@suse.de>
1138
1139         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
1140         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
1141         * tree-ssa-operands.c (get_expr_operands): Likewise.
1142         (get_expr_operands): Likewise for ERROR_MARK.
1143
1144 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1145
1146         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
1147         var.
1148
1149         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
1150         removed_phis.
1151
1152         * tree-ssa-pre.c (compute_avail): Remove local variable val.
1153         (mark_operand_necessary): Remove local variable ver.
1154
1155         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
1156         variable prefix_len.
1157
1158         * value-prof.c (mod_subtract_transform): Remove local variable
1159         value.
1160
1161         * builtins.c (fold_builtin_exponent): Take decomposed
1162         arguments of CALL_EXPR.
1163         (fold_builtin_1): Update a call to fold_builtin_exponent.
1164
1165         * builtins.c (fold_builtin_logarithm): Take decomposed
1166         arguments of CALL_EXPR.
1167         (fold_builtin_1): Update a call to fold_builtin_logarithm.
1168
1169         * c-decl.c (c_init_decl_processing): Remove local variables
1170         ptr_ftype_void and ptr_ftype_ptr.
1171
1172         * gimplify.c (gimplify_expr): Remove local variables r0 and
1173         r1.
1174
1175         * reg-stack.c (move_for_stack_reg): Remove local variable
1176         push_insn.
1177         (compare_for_stack_reg): Remove local variable flags_user.
1178         (convert_regs_1): Remove local variable deleted.
1179
1180         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
1181         variable new_cond.
1182         (combine_blocks): Remove local variables exits and new_e.
1183
1184         * tree-inline.c (expand_call_inline): Remove local variable
1185         decl.
1186
1187         * tree-ssa-live.c (create_ssa_var_map,
1188         calculate_live_on_entry): Remove local variable snn.
1189
1190 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
1191
1192         * c-lex.c (c_lex_with_flags): Add parameter to call to
1193         cpp_spell_token.
1194
1195 2005-03-11  Per Bothner  <per@bothner.com>
1196
1197         * c-tree.h (struct c_declarator): New id_loc field.
1198         * c-pragma.h (c_lex_with_flags): Take position reference.
1199         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
1200         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
1201         (c_lex): Pass dummy location to c_lex_with_flags.
1202         * c-parser.c (c_lex_one_token): Set c_token's location using
1203         c_lex_with_flags, instead of input_location, which might be "ahead".
1204         (c_parser_direct_declarator): Set declarator's id_loc from
1205         c_token's id_loc.
1206         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
1207         declarator's id_loc, rather than probably-imprecise input_location.
1208         (build_id_declarator): Initialize c_declarator's id_loc field.
1209
1210 2005-03-11  Roger Sayle  <roger@eyesopen.com>
1211
1212         PR middle-end/20419
1213         * builtins.c (expand_builtin_signbit): Force the signbit's word
1214         into an integer register to avoid SUBREGs of floating point modes.
1215
1216 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1217
1218         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
1219         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
1220         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
1221         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
1222
1223 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
1224
1225         PR rtl-optimization/20306
1226         * expr.c (emit_move_complex): Set try_int false if mode is
1227         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
1228         emit_block_move if try_int is true.
1229
1230 2005-03-11  Richard Henderson  <rth@redhat.com>
1231
1232         PR target/20415
1233         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
1234         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
1235         to match.
1236
1237 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
1238
1239         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
1240         (TARGET_FIX_VR4130): New macro.
1241         (TARGET_OPTIONS): Add -mfix-vr4130.
1242         (ISA_HAS_MACCHI): New macro.
1243         (ASM_SPEC): Add -mfix-vr4130.
1244         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
1245         (override_options): Handle mips_fix_vr4130_string.
1246         (mips_avoid_hazards): Clear all_noreorder_p
1247         if we're working around VR4130 errata and the macc alternatives
1248         are not available.
1249         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
1250         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
1251         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
1252         (MULTILIB_DEFAULTS): Remove leading "march=".
1253         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
1254         if no architecture option is given.
1255         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
1256         VR4130 multilibs.
1257         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
1258         * doc/invoke.texi: Document -mfix-vr4130.
1259
1260 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
1261
1262         * config/mips/mips.c (override_options): Only warn about -mint64
1263         deprecation if TARGET_INT64.
1264
1265 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1266
1267         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
1268         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
1269         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
1270         are non-specific regarding the nonnull parameter positions.
1271         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
1272         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
1273         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
1274         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
1275
1276         * builtins.def: Use the non-specific "nonnull" attibute lists.
1277
1278 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
1279
1280         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
1281         single_pred_edge, single_succ, single_pred): Improve comments.
1282
1283 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
1284
1285         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
1286         single_pred_edge, single_succ, single_pred): New inline functions.
1287         * bb-reorder.c (rotate_loop, find_traces_1_round,
1288         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
1289         duplicate_computed_gotos): Use the single_succ/pred functions.
1290         * cfganal.c (forwarder_block_p): Ditto.
1291         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
1292         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1293         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
1294         merge_seq_blocks): Ditto.
1295         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
1296         * cfglayout.c (fixup_reorder_chain): Ditto.
1297         * cfgloop.c (mark_single_exit_loops, update_latch_info,
1298         canonicalize_loop_headers, verify_loop_structure): Ditto.
1299         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
1300         mfb_update_loops, create_preheader, force_single_succ_latches,
1301         create_loop_notes): Ditto.
1302         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
1303         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
1304         commit_one_edge_insertion, purge_dead_edges,
1305         cfg_layout_can_merge_blocks_p): Ditto.
1306         * except.c (sjlj_emit_function_enter): Ditto.
1307         * flow.c (init_propagate_block_info): Ditto.
1308         * function.c (thread_prologue_and_epilogue_insns): Ditto.
1309         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
1310         insert_insn_end_bb): Ditto.
1311         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
1312         find_if_case_2): Ditto.
1313         * lambda-code.c (perfect_nestify): Ditto.
1314         * lcm.c (optimize_mode_switching): Ditto.
1315         * loop-doloop.c (doloop_modify): Ditto.
1316         * loop-init.c (loop_optimizer_init): Ditto.
1317         * loop-iv.c (simplify_using_initial_values): Ditto.
1318         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
1319         * loop-unswitch.c (unswitch_loop): Ditto.
1320         * modulo-sched.c (generate_prolog_epilog): Ditto.
1321         * predict.c (combine_predictions_for_insn, estimate_probability,
1322         tree_estimate_probability, last_basic_block_p,
1323         estimate_bb_frequencies): Ditto.
1324         * profile.c (branch_prob): Ditto.
1325         * regrename.c (copyprop_hardreg_forward): Ditto.
1326         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
1327         * tracer.c (layout_superblocks): Ditto.
1328         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
1329         cfg_remove_useless_stmts_bb, cleanup_control_flow,
1330         cleanup_control_expr_graph, disband_implicit_edges,
1331         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
1332         tree_verify_flow_info, tree_make_forwarder_block,
1333         tree_forwarder_block_p, remove_forwarder_block,
1334         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
1335         * tree-if-conv.c (tree_if_conversion): Ditto.
1336         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1337         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
1338         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
1339         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
1340         copy_loop_headers): Ditto.
1341         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
1342         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
1343         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
1344         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
1345         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
1346         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
1347         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
1348         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
1349         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
1350         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
1351         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
1352         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
1353         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
1354         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
1355         slpeel_add_loop_guard): Ditto.
1356
1357 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
1358
1359         PR tree-optimization/15784
1360         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1361         and -1 - A to ~A.
1362
1363         * stmt.c (expand_case): Don't change index_type.  Convert minval
1364         to the proper type.
1365
1366         PR tree-optimization/20130
1367         * fold-const.c (fold): Fold x * -1 into -x.
1368
1369 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1370
1371         PR rtl-optimization/20331
1372         * rtlanal.c (modified_between_p): Check its address first for MEM.
1373         (modified_in_p): Likewise.
1374
1375 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
1376
1377         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
1378
1379 2005-03-10  Steven Bosscher  <stevenb@suse.de>
1380
1381         * expr.c (expand_expr_real_1): If possible, use a conditional
1382         move for expanding MIN_EXPR and MAX_EXPR.
1383         Use temp for moving around rtx-en.
1384
1385 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
1386
1387         PR rtl-opt/20412
1388         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
1389         correct mode.
1390
1391 2005-03-10  Roger Sayle  <roger@eyesopen.com>
1392
1393         * builtins.c (expand_builtin_signbit): Extend to handle floating
1394         point modes wider than the largest integer type, using the
1395         operand_subword_force function to obtain the signbit's word.
1396
1397 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
1398
1399         PR target/20322
1400         * combine.c (try_combine): If recog_for_combine added CLOBBERs
1401         to NEWI2PAT, fail to combine if they are used by NEWPAT.
1402
1403 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
1404
1405         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
1406
1407 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
1408
1409         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
1410         type void.
1411         (perform_edge_inserts): Unconditionally call
1412         free_dominator_info.
1413
1414         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
1415
1416 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
1417
1418         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
1419
1420 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
1421
1422         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
1423
1424         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
1425         gcc_unreachable.
1426         (rtl_register_value_prof_hooks,
1427         tree_value_profile_transformations,
1428         tree_register_value_prof_hooks): Likewise.
1429         * var-tracking.c (stack_adjust_offset_pre_post,
1430         variable_htab_free, variable_union, dataflow_set_different_2,
1431         count_uses, variable_was_changed, set_frame_base_location,
1432         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
1433         vt_add_function_parameters): Likewise.
1434         * varasm.c (named_section_real, named_section, make_decl_rtl,
1435         asm_emit_uninitialised, assemble_integer, decode_addr_const,
1436         const_hash_1, compare_constant, copy_constant, force_const_mem,
1437         output_constant_pool_2, output_constant_pool_1, output_constant,
1438         output_constructor, make_decl_one_only, decl_tls_model,
1439         default_no_named_section, default_elf_select_section_1,
1440         default_unique_section_1): Likewise.
1441         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
1442         * vmsdbgout.c (addr_const_to_string): Likewise.
1443
1444         PR c++/20375
1445         * function.c (struct assign_parm_data_one): Remove last_named
1446         field.
1447         (assign_parm_find_data_types): Don't determine last_named.
1448         Reorder named_parm determination.
1449         (assign_parms): Only setup varargs on the last non-varadic
1450         parameter.
1451
1452 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
1453
1454         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
1455         sda base address on medium model.
1456
1457 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
1458
1459         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
1460         * cfgloop.c (flow_loop_nodes_find): Export.
1461         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
1462         Declare.
1463         * cfgloopmanip.c (fix_loop_structure): New function.
1464         * predict.c (predict_loops): Clean up the loops information.
1465         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
1466         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
1467         loop structure.
1468         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
1469         (rewrite_into_loop_closed_ssa): Declaration changed.
1470         * tree-loop-linear.c (linear_transform_loops): Add argument to
1471         rewrite_into_loop_closed_ssa call.
1472         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1473         * tree-ssa-loop-im.c (move_computations): Ditto.
1474         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1475         * tree-vectorizer.c (vectorize_loops): Ditto.
1476         * tree-optimize.c: Include cfgloop.h.
1477         (execute_todo): Choose whether to call cleanup_tree_cfg or
1478         cleanup_tree_cfg_loop.
1479         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
1480         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
1481         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
1482         cleanup_tree_cfg_loop call.
1483         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
1484         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
1485         work on part of cfg.
1486
1487 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
1488
1489         PR inline-asm/20314
1490         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
1491         with multiple alternatives.
1492
1493         * stmt.c (parse_output_constraint): Fix a typo.
1494
1495 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
1496
1497         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
1498         assembly directive instead of deprecated "no-generics".
1499
1500 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
1501
1502         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1503         for non-offsettable memory references to cope with outstanding reload
1504         replacements.
1505         * config/s390/s390.md ("reload_outti"): Call find_replacement to
1506         avoid losing outstanding address reloads.
1507         ("reload_outdi", "reload_outdf"): Likewise.
1508
1509 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1510
1511         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
1512         code.  Add more cbrt transformations.
1513
1514 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1515
1516         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
1517
1518 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
1519
1520         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
1521         NULL_TREE when a given tree is not simplified.
1522         (fold): Return the original tree when any of the functions
1523         mentioned above NULL_TREE.
1524
1525         * fold-const.c (fold_unary, fold_binary): Take decomposed
1526         arguments, code, type, op0, and op1 in case of fold_binary.
1527         (fold): Update calls to fold_unary and fold_binary.
1528
1529 2005-03-09  Roger Sayle  <roger@eyesopen.com>
1530
1531         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
1532         a fndecl and an arglist instead of a CALL_EXPR, exp.
1533
1534 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
1535
1536         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
1537
1538         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
1539
1540         * expr.c (expand_assignment): Remove orig_to_rtx.
1541
1542         * fold-const.c (int_const_binop): Remove no_overflow.
1543
1544         * ifcvt.c (noce_emit_move_insn): Remove inmode.
1545
1546         * loop-iv.c (get_biv_step_1): Remove lhs.
1547
1548         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
1549
1550         * real.c (real_nan): Remove neg.
1551
1552         * function.c (thread_prologue_and_epilogue_insns): Remove i
1553         and newinsn.
1554
1555         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
1556         tb.
1557
1558         * tree-eh.c (tree_could_trap_p): Remove idx.
1559
1560         * tree-into-ssa.c (ann): Remove ann.
1561
1562         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
1563
1564         * tree-sra.c (decide_block_copy): Remove inst_count.
1565
1566         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
1567
1568         * tree-ssa-loop-im.c (lhs): Remove.
1569
1570         * cfgbuild.c (state, STATE, SET_STATE,
1571         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
1572         make_edges.
1573         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
1574         (find_basic_blocks): Set the state of each basic block to
1575         BLOCK_NEW.
1576
1577 2005-03-08  Jeff Law  <law@redhat.com>
1578
1579         * tree-cfg.c (cleanup_control_flow): If removal of a computed
1580         goto results in the removal of edges in the CFG, then we need
1581         to recompute dominators.
1582
1583 2005-03-09  Ben Elliston  <bje@au.ibm.com>
1584
1585         * c-common.c (c_do_switch_warnings): Comment fix.
1586
1587 2005-03-08  Julian Brown  <julian@codesourcery.com>
1588
1589         * Patch from 2005-03-08 reverted for causing regressions and
1590         ppc-darwin bootstrap failure.
1591
1592 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
1593
1594         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
1595         Define the real function for ppc-darwin.
1596         * c-typeck.c (convert_arguments): Check for target-specific
1597         invalid argument call to unprototyped function.
1598         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
1599         New Macro.
1600         * target.h (invalid_arg_for_unprototyped_fn): New field
1601         in struct calls.
1602         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
1603         default target hook.
1604         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
1605         Declare.
1606
1607 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1608
1609         * c-typeck.c (constructor_stack, constructor_range_stack,
1610         initializer_stack): Make them static.
1611
1612         * cfg.c (rbi_pool): Make it static.
1613
1614         * gimple-low.c (lower_stmt_body): Make it static.
1615         * tree-flow.h: Remove the corresponding prototype.  Don't
1616         declare lower_data.
1617
1618         * sched-deps.c (cache_size): Make it static.
1619
1620         * stor-layout.c (lang_adjust_rli): Make it static.
1621
1622 2005-03-08  Julian Brown  <julian@codesourcery.com>
1623
1624         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1625         from being used for symbols with vague linkage when
1626         HAVE_GAS_COMDAT_GROUP is true.
1627
1628 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
1629
1630         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
1631         nlabel == JUMP_LABEL (jump).
1632
1633 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1634
1635         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
1636         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
1637         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
1638         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
1639
1640 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
1641
1642         PR c/14411
1643         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
1644         * c-common.c (handle_returns_twice): New function.
1645         (c_common_attribute_table): Declare eturns_twice' attribute.
1646         * doc/extend.texi: Document eturns_twice' attribute.
1647         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
1648         (struct tree_decl): Add returns_twice_flag.
1649
1650 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1651
1652         * tree-ssa-phiopt.c: Fix a comment typo.
1653
1654         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
1655         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
1656         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
1657         copyright.
1658
1659 2005-03-08  Richard Henderson  <rth@redhat.com>
1660
1661         * config/alpha/alpha.c (code_for_builtin): Replace special-case
1662         builtin codes with ctzdi2, clzdi2, popcountdi2.
1663         (struct alpha_builtin_def): Add is_const.
1664         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
1665         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
1666         (alpha_init_builtins): Init them.  Set nothrow and const attributes
1667         on builtins.
1668         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
1669         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
1670         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
1671         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
1672         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
1673         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
1674         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
1675         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
1676         (TARGET_FOLD_BUILTIN): New.
1677         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
1678         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
1679         (ffsdi2): Use ctz.
1680         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
1681
1682 2005-03-08  Ira Rosen  <irar@il.ibm.com>
1683
1684         PR tree-optimization/20122
1685         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
1686         condition of access function instead of base.
1687
1688 2005-03-07  Jeff Law  <law@redhat.com>
1689             Steven Bosscher  <stevenb@suse.de>
1690
1691         * tree-cfg.c (find_taken_edge_computed_goto): New function.
1692         (find_taken_edge): Call find_taken_edge_computed_goto as
1693         appropriate.  Allow any gimple invariant rather than just
1694         INTEGER_CST for VAL.
1695         (cleanup_control_flow): Cleanup a computed goto which has turned
1696         into a simple goto.
1697         (tree_merge_blocks): If block B has any forced labels, move
1698         them to the start of block A.
1699         * tree-ssa-dom.c (thread_across_edge): Allow threading across
1700         computed gotos as well.
1701         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
1702         removal of unnecessary computed gotos too.
1703         (lookup_redirection_data): Fix type of INSERT argument.  Callers
1704         updated.
1705
1706 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1707
1708         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
1709         Remove trailing spaces.
1710
1711         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
1712         unshare_all_trees): Make them static.
1713         * tree-gimple.h: Remove the corresponding prototypes.
1714
1715         * diagnostic.h: Remove unused prototype
1716         debug_output_buffer.
1717         * modulo-sched.c: Remove unused prototype
1718         set_row_column_for_ps.
1719
1720         * tree-ssa-phiopt.c (tree_ssa_phiopt,
1721         replace_phi_edge_with_variable): Remove unused variable i.
1722
1723 2005-03-07  Per Bothner  <per@bothner.com>
1724
1725         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
1726
1727 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
1728
1729         PR tree-opt/17671
1730         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
1731         bbs on the COND_EXPR instead of the PHI_NODEs.
1732         (candidate_bb_for_phi_optimization): Remove.
1733         (replace_phi_with_stmt): Rename to ...
1734         (replace_phi_edge_with_variable): this and change so that we
1735         replace the phi argument instead of removing the PHI.
1736         (conditional_replacement): Change so we deal with PHI with more
1737         than two arguments.
1738         (value_replacement): Likewise.
1739         (abs_replacement): Likewise.
1740
1741 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
1742
1743         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
1744         output_e500_flip_gt_bit.
1745
1746         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
1747         as bit 31.
1748         (rs6000_generate_compare): Fix logic to look at the correct bits.
1749         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
1750         Look at GT bit.
1751         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
1752         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
1753         gen_move_from_CR_gt_bit.
1754
1755         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
1756         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
1757         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
1758
1759         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
1760         (E500_CR_IOR_COMPARE): New constant.
1761
1762 2005-03-08  Earl Chew <earl_chew@agilent.com>
1763             David Billinghurst <David.Billinghurst@riotinto.com>
1764
1765         * config/i386/host-cygwin.c: New file to support precompiled
1766         headers on cygwin
1767         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
1768         * config.host: Use above files for cygwin host.
1769
1770 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
1771
1772         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
1773         ordering ops from earlier change.
1774
1775 2005-03-07  Per Bothner  <per@bothner.com>
1776
1777         Various fixes to allow us to again build if --enable-mapped-location:
1778         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
1779         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
1780         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
1781         local variable loc. Change logic appropriately.
1782         * tree-vect-transform.c (vect_finish_stmt_generation): Use
1783         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
1784         * c-parser.c (c_parser_for_statement): Initialize loc variable.
1785         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
1786         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
1787
1788 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
1789
1790         PR rtl-optimization/19683
1791         * reload1.c (choose_reload_regs): Pass the number of bits, not the
1792         number of bytes, to smallest_int_for_mode.  Fix arguments to
1793         REG_CANNOT_CHANGE_MODE_P.
1794
1795 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1796
1797         * reorg.c (relax_delay_slots): Check that the jump is
1798         conditional before trying to invert it.
1799
1800 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1801
1802         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
1803         Make them static.
1804
1805         * calls (stack_arg_under_construction): Make it static.
1806
1807         * flow.c (regs_live_at_setjmp): Make it static.
1808         * flow.h: Remove the corresponding prototype.
1809
1810         * reload1.c (reload_startobj, reload_firstobj,
1811         something_needs_operands_changed, reload_inherited,
1812         reload_inheritance_insn, reload_override_in,
1813         reload_spill_index): Make them static.
1814
1815         * recog.c (verify_changes): Make it static.
1816         * recog.h: Remove the corresponding prototype.
1817
1818         * cfgbuild.c (find_sub_basic_blocks): Remove.
1819         * basic-block.h: Remove the corresponding prototype.
1820         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
1821         in comments.
1822         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
1823
1824         * tree-ssa-operands.c (check_build_stmt): Remove.
1825
1826         * stor-layout.c (set_alignment): Remove.
1827         * tree.h: Remove the corresponding prototype.
1828
1829         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
1830
1831         * tree-ssa-dce.c (control_dependence_map,
1832         visited_control_parents): Make them static.
1833
1834         * cfghooks.c (verify_flow_info): Remove local variable
1835         num_bb_notes.
1836
1837         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
1838         last_bb_seen.
1839
1840         * loop-unswitch.c (unswitch_loop): Remove local variable src.
1841
1842 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
1843
1844         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
1845
1846 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
1847
1848         * config/ia64/hpux.h (LINK_SPEC): Add -z.
1849         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
1850         PARALLEL for an empty structure.
1851
1852 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1853
1854         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
1855
1856         * fold-const.c (fold_binary): Unroll the very first "for"
1857         loop.
1858
1859 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
1860
1861         * config/rs6000/predicates.md (branch_comparison_operator): Remove
1862         redundant match_code test.
1863         (scc_comparison_operator): Swap match_operand and match_code
1864         tests.
1865         (branch_positive_comparison_operator): Same.
1866         (trap_comparison_operator): Use comparison_operator and swap with
1867         match_code test.
1868
1869 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
1870
1871         PR target/20288
1872         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
1873         (out_movhi_r_mr): Read low byte of volatile MEM first.
1874         (out_movhi_mr_r): Write high byte of volatile MEM first.
1875
1876 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1877
1878         * cselib.c (reg_values, reg_values_size): Make them static.
1879
1880         * cse.c (cse_reg_info_table): Make it static.
1881
1882         * fold-const.c (fold_unary): Use build1 instead of copy_node.
1883
1884 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
1885
1886         * cse.c (find_best_addr): Use canon_for_address.
1887
1888 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1889
1890         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
1891         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
1892         SUBREG and MEM, respectively.
1893
1894         * fold-const.c (fold_binary): Use code instead of t.
1895
1896         * fold-const.c (optimize_minmax_comparison): Take decomposed
1897         arguments code, type, op0, and op1 instead of t.
1898         (fold_binary): Update a call to optimize_minmax_comparison.
1899
1900         * fold-const.c (fold_range_test): Take decomposed arguments
1901         code, type, op0, and op1 instead of t.
1902         (fold_binary): Update a call to fold_range_test.
1903
1904         * fold-const.c (fold_binary_op_with_conditional_arg): Take
1905         decomposed arguments code, type, op0, and op1 instead of t.
1906         (fold_binary): Update a call to fold_range_test.
1907
1908 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1909
1910         * fold-const.c (fold_binary): Avoid directly using the original
1911         expression t as much as possible.
1912
1913 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1914
1915         * c-semantics.c (build_stmt): Use TYPE_P instead of
1916         IS_NON_TYPE_CODE_CLASS.
1917         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
1918         (NON_TYPE_CHECK): Use TYPE_P instead of
1919         IS_NON_TYPE_CODE_CLASS.
1920
1921         * fold-const.c (fold): Remove handling of binary expressions.
1922
1923 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
1924
1925         * doc/c-tree.texi: Wrap comments in @r{}.
1926         * doc/cpp.texi: Likewise.
1927         * doc/cppinternals.texi: Likewise.
1928         * doc/extend.texi: Likewise.
1929         * doc/md.texi: Likewise.
1930         * doc/objc.texi: Likewise.
1931         * doc/sourcebuild.texi: Likewise.
1932         * doc/tm.texi: Likewise.
1933         * doc/tree-ssa.texi
1934
1935 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1936
1937         * predict.c (apply_return_prediction): Standardize PHI chain
1938         walking.
1939         * tree-ssa.c (ssa_redirect_edge): Likewise.
1940
1941         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
1942         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
1943         Update copyright.
1944
1945         * tree-phinodes.c (remove_phi_node): Drop the last argument.
1946         * tree-flow.h: Adjust the prototype for remove_phi_node.
1947         * lambda-code.c (perfect_nestify): Adjust a call to
1948         remove_phi_node.
1949         * tree-cfg.c
1950         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
1951         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
1952         Likewise.
1953         * tree-ssa-dce.c (remove_dead_phis): Likewise.
1954         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
1955         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
1956         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
1957
1958         * combine.c (simplify_and_const_int): Use gen_int_mode instead
1959         of GEN_INT (trunc_int_for_mode (...)).
1960         * loop-iv.c (iv_number_of_iterations): Likewise.
1961         * postreload.c (reload_cse_move2add): Likewise.
1962         * simplify-rtx.c (simplify_const_unary_operation,
1963         simplify_const_binary_operation): Likewise.
1964         * stor-layout.c (get_mode_bounds): Likewise.
1965
1966         * fold-const.c (fold_binary): New.
1967         (fold): Call fold_binary on binary expressions.
1968
1969 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
1970
1971         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
1972         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
1973         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
1974         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
1975         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
1976
1977 2005-03-04  Devang Patel  <dpatel@apple.com>
1978
1979         PR tree-optimization/18815
1980         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1981         loops with zero exit edges.
1982
1983 2005-03-04  Devang Patel  <dpatel@apple.com>
1984
1985         * doc/invoke.texi: Remove reference to webpage that does not exist.
1986
1987 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
1988             Joseph S. Myers  <joseph@codesourcery.com>
1989
1990         PR c++/19797
1991         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
1992         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
1993         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
1994         * pa.c (get_plabel): Change argument to symbol_ref.  Call
1995         maybe_get_identifier instead of get_identifier.
1996         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
1997         (struct deferred_plabel): Replace name field with symbol field.
1998         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
1999         ASM_OUTPUT_EXTERNAL_REAL is defined.
2000         (output_global_address): Use output_addr_const for output of all
2001         symbol_refs.
2002         (output_deferred_plabels): Use symbol_ref instead of name for address
2003         output.
2004         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
2005         ASM_OUTPUT_SYMBOL_REF): New macros.
2006         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
2007         comment.
2008         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
2009         label.
2010
2011 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
2012
2013         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
2014         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
2015
2016 2005-03-04  Jeff Law  <law@redhat.com>
2017
2018         * basic-block.h (rediscover_loops_after_threading): Declare.
2019         * tree-ssa-dom.c: Include cfgloop.h.
2020         (tree_ssa_dominator_optimize): Discover loops and some basic
2021         properties.  Remove forwarder blocks recreated by loop header
2022         canonicalization.  Also mark backedges in the CFG.
2023         * tree-ssa-threadupdate.c: Include cfgloop.h
2024         (rediscover_loops_after_threading): Define.
2025         (struct local_info): New field, JUMP_THREADED.
2026         (prune_undesirable_thread_requests): New function.
2027         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
2028         then record that fact for the callers of redirct_edges.
2029         (thread_block): If BB has incoming backedges, then call
2030         prune_undesirable_thraed_requests.    Note when we are
2031         going to have to rediscover loop information.  Return a
2032         boolean indicating if any jumps were threaded.
2033         (thread_through_all_blocks): Bubble up boolean indicating
2034         if any jumps were threaded.
2035         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
2036         (tree-ssa-threadupdate.o): Similarly.
2037
2038 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2039
2040         * fold-const.c (fold_ternary): Unroll the "for" loop to
2041         extract operands.
2042
2043 2005-03-04  Andrew Haley  <aph@redhat.com>
2044
2045         * unwind-dw2-fde-glibc.c (struct
2046         unw_eh_callback_data.check_cache): New field.
2047         (frame_hdr_cache): New.
2048         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
2049         Cache frame header info.
2050
2051 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
2052
2053         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
2054         (print_c_condition): Declare.
2055         * read-rtl.c (ptr_loc): New structure.
2056         (ptr_locs, ptr_loc_obstack, joined_conditions)
2057         (joined_conditions_obstack): New variables.
2058         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
2059         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
2060         (join_c_conditions, print_c_condition): New functions.
2061         (apply_macro_to_string): Associate the new string with the same
2062         source location as the old one.
2063         (add_condition_to_string): Use join_c_conditions.
2064         (read_string): Use set_rtx_ptr_loc to record a filename and line
2065         number for the string.
2066         (read_rtx): Initialize the new variables above.
2067         * genattrtab.c (write_test_expr, write_attr_value): Use
2068         print_c_condition.
2069         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
2070         comment above the GCC_VERSION check.
2071         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
2072         Inline the definition of MAYBE_EVAL.
2073         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
2074         * genoutput.c (process_template): Likewise.
2075         * genpreds.c (write_predicate_subfunction): Likewise.
2076         (write_predicate_expr): Use print_c_condition.
2077         * genrecog.c (write_cond): Likewise.
2078         * gensupport.c (process_rtx): Use join_c_conditions to join the
2079         conditions of a define_insn_and_split.  Record a source location
2080         for the string after the "&&".
2081         (alter_test_for_insn): Use join_c_conditions.
2082
2083 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
2084
2085         Revert for now:
2086         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2087         PR tree-optimization/15784
2088         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2089         and -1 - A to ~A.
2090
2091 2005-03-04  Ben Elliston  <bje@au.ibm.com>
2092
2093         * gcc.c (option_map): Add --coverage.
2094         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
2095         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
2096         * config/darwin.h: Pass -lgcov for `coverage'.
2097         * doc/invoke.texi (Debugging Options): Document --coverage.
2098
2099 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2100
2101         * gcse.c (bypass_block): Use find_edge wherever possible.
2102
2103 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
2104
2105         Fix PR debug/20253
2106
2107         * c-opts.c (c_common_parse_file): Call start_source_file
2108         and end_source_file at the approriate times.
2109
2110         * dwarf2out.c (dwarf2out_finish): Don't auto-end
2111         the main file, it will be done for us now.
2112
2113 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2114
2115         * fold-const.c (fold_ternary): New.
2116         (fold): Call fold_ternary on ternary expressions.  Remove
2117         handling of ternary expressions.
2118
2119 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2120
2121         PR tree-optimization/15784
2122         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2123         and -1 - A to ~A.
2124
2125 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
2126
2127         * config/rs6000/predicates.md (branch_comparison_operator):
2128         Convert from C block to conditional format.
2129
2130 2005-03-03  Jan Hubicka  <jh@suse.cz>
2131
2132         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
2133         and non-constant public variables.
2134
2135 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
2136
2137         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
2138         with LABEL_EXPR.
2139
2140         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
2141         EDGE_I.
2142
2143         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
2144         calls to release_ssa_name and release_phi_node.
2145
2146         * fold-const.c (fold): Remove handling of unary expressions.
2147
2148         * fold-const.c (fold_unary): Avoid directly using the original
2149         expression t as much as possible.
2150
2151 2005-03-03  Roger Sayle  <roger@eyesopen.com>
2152             Andrew Pinski  <pinskia@physics.uc.edu>
2153
2154         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
2155         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
2156
2157 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
2158
2159         Describe special registers SRP and MOF as allocatable registers.
2160         * config/cris/cris.c (cris_md_asm_clobbers): New function.
2161         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
2162         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
2163         TARGET_HAS_MUL_INSNS.
2164         (cris_print_operand) <case 'd'>: New case.
2165         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
2166         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
2167         define.
2168         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
2169         (REG_ALLOC_ORDER): Update for MOF.
2170         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
2171         SPECIAL_REGS.
2172         (GENERAL_REGS): No longer a define of ALL_REGS.
2173         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
2174         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
2175         Adjust accordingly.
2176         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
2177         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
2178         (SECONDARY_RELOAD_CLASS): Define.
2179         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
2180         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
2181         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
2182         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
2183         (REGISTER_MOVE_COST): Define.
2184         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
2185         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
2186         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
2187         (CRIS_MOF_REGNUM): New define_constants.
2188         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
2189         special registers.
2190         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
2191         New patterns.
2192         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
2193         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
2194         Adjust for MOF being properly described as a register.
2195         (indir_to_reg_split): Name this split.  Conditionalize on the
2196         destination register being a general register.
2197         (movei): Conditionalize on on operands 0 and 1 having the same
2198         register class.
2199
2200 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
2201
2202         PR target/20277
2203         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
2204         -mcpu to override any other explicitly given flags.
2205
2206 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
2207
2208         * recog.c (verify_changes, confirm_change_group): New functions,
2209         broken out of apply_change_group.
2210         (apply_change_group): Use them.
2211         * recog.h (verify_change, confirm_change_group): Declare.
2212         * rtl.h (redirect_jump_2): Declare.
2213         * jump.c (redirect_exp, invert_exp): Delete.
2214         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
2215         (redirect_jump_2): New function, broken out of redirect_jump.
2216         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
2217         (invert_jump): Use invert_jump_1 and redirect_jump_2.
2218         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
2219
2220 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
2221
2222         * varasm.c (named_section): Use xstrdup rather than doing it by
2223         hand.
2224
2225         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
2226
2227 2005-03-02  Devang Patel  <dpatel@apple.com>
2228
2229         Undo PR tree-optimization/18815 fix.
2230
2231 2005-03-02  Devang Patel  <dpatel@apple.com>
2232
2233         PR tree-optimization/18815
2234         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
2235         loops with zero exit edges.
2236
2237 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
2238
2239         * cfg.c (connect_src, connect_dest, disconnect_src,
2240         disconnct_dest): New.
2241         (unchecked_make_edge, remove_edge, redirect_edge_succ,
2242         redirect_edge_pred): Use the new functions.
2243
2244         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
2245         free_dominance_info only when needed.
2246
2247 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
2248
2249         PR target/20276
2250         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
2251         (reg_or_sub_cint64_operand): Same.
2252
2253 2005-03-02  Jeff Law  <law@redhat.com>
2254
2255         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
2256         CFG_ALTERED in the main DOM iteration loop.
2257
2258 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
2259
2260         PR c++/19916
2261         * varasm.c (initializer_constant_valid_p): Allow conversions
2262         between OFFSET_TYPEs.  Tidy.
2263
2264 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
2265
2266         * config/cris/cris.md ("return"): Remove epilogue delay list
2267         sanity check.
2268
2269 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
2270
2271         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
2272         for Thumb.
2273         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
2274
2275 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
2276
2277         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
2278         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
2279         config/m68k/m68k.c, config/mips/mips.h,
2280         config/rs6000/rs6000-protos.h, doc/contrib.texi,
2281         doc/include/gcc-common.texi: Update copyright.
2282
2283         PR middle-end/18029 and PR middle-end/18030
2284         * expr.c (optimize_bitfield_assignment_op): Add a special case
2285         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
2286
2287         * fold-const.c (fold_unary): New.
2288         (fold): Call fold_unary on unary expressions.
2289
2290 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
2291
2292         * cgraph.h (struct cgraph_edge): Add prev_caller and
2293         prev_callee fields.
2294         (cgraph_node_remove_callees): Export.
2295         * cgraph.c (cgraph_create_edge): Initialize prev_caller
2296         and prev_callee.
2297         (cgraph_edge_remove_callee): New function.
2298         (cgraph_edge_remove_caller): Likewise.
2299         (cgraph_remove_edge): Use.
2300         (cgraph_redirect_edge_callee): Likewise.
2301         (cgraph_node_remove_callees): New function.
2302         (cgraph_node_remove_callers): Likewise.
2303         (cgraph_remove_node): Use.
2304         * tree-optimize.c (tree_rest_of_compilation): Use
2305         cgraph_node_remove_callees instead of manual loop.
2306         * cgraphunit.c (cgraph_finalize_function): Likewise.
2307         (cgraph_expand_function): Likewise.
2308         (cgraph_remove_unreachable_nodes): Likewise.
2309
2310 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
2311
2312         PR c/8927
2313         * c-tree.h (undeclared_variable, build_external_ref): Add extra
2314         argument.
2315         * c-decl.c (undeclared_variable): Take location as argument.
2316         * c-typeck.c (build_external_ref): Likewise.
2317         * c-parser.c (c_parser_postfix_expression): Pass location of
2318         identifier to build_external_ref.
2319
2320 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
2321
2322         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
2323         CCEQ mode for branch_positive_comparison_operator test.
2324         * config/rs6000/predicates (branch_comparison_operator): Revert to
2325         define_predicate.
2326         (scc_comparison_operator): Same.
2327         (branch_positive_comparison_operator): Same.
2328
2329 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
2330
2331         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
2332         (cris_delay_slots_for_epilogue): Remove.
2333         (save_last): Move into cris_target_asm_function_epilogue.
2334         (cris_target_asm_function_epilogue): Remove tests for file being
2335         NULL.
2336         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
2337         (cris_delay_slots_for_epilogue): Remove prototypes.
2338         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
2339         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
2340
2341 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
2342
2343         * config/rs6000/predicates.md (branch_comparison_operator): Change
2344         to define_special_predicate.
2345         (scc_comparison_operator): Same.
2346         (branch_positive_comparison_operator): Same.
2347
2348 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
2349
2350         * Makefile.in (tree-ssa-sink.o): New.
2351         (OBJS-common): Add tree-ssa-sink.o.
2352         * common.opt: Add -ftree-sink
2353         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
2354         * timevar.def (TV_TREE_SINK): new timevar.
2355         * tree-flow.h (is_hidden_global_store): Prototype.
2356         * tree-optimize.c (init_tree_optimization_passes): Add
2357         pass_sink_code.
2358         * tree-pass.h (pass_sink_code): New.
2359         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
2360         for non-obvious global store store to is_hidden_global_store, and
2361         call that new function.
2362         * tree-ssa-sink.c: New file.
2363         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
2364         * doc/passes.texi: Document forward store motion.
2365         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
2366         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
2367         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
2368         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
2369
2370 2005-03-01  Per Bothner  <per@bothner.com>
2371
2372         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
2373         and we have a non-zero column-number, add it to the message.
2374         Also factor out the diagnostic_kind_text.
2375
2376 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
2377
2378         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
2379         flow_loop_pre_header_scan, flow_loop_pre_header_find,
2380         flow_loop_scan): Removed.
2381         (flow_loop_dump): Do not dump removed fields.
2382         (flow_loop_free): Do not free removed fields.
2383         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
2384         (loop_exit_edge_p): New function.
2385         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
2386         num_pre_header_edges, entry_edges, num_entries, exit_edges,
2387         num_exits, exits_doms.
2388         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
2389         LOOP_EDGES, LOOP_ALL): Removed.
2390         (flow_loop_scan): Declaration removed.
2391         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
2392         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
2393         flow_loops_find.
2394         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
2395         (if_convert): Call flow_loops_find and flow_loops_free
2396         when calling mark_loop_exit_edges.
2397         * cfgloopanal.c (mark_loop_exit_edges): Moved from
2398         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
2399         free_dominance_info calls.
2400         * loop-init.c (flow_loops_find): Ditto.
2401         * passes.c (rest_of_handle_branch_prob): Ditto.
2402         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
2403         * loop-unroll.c (analyze_insns_in_loop): Do not use
2404         EDGE_LOOP_EXIT.
2405         * predict.c (predict_loops): Do not call flow_loop_scan.
2406         Use get_loop_exit_edges.
2407         (tree_estimate_probability): Do not pass flags to flow_loops_find.
2408         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
2409         Do not use EDGE_LOOP_EXIT.
2410         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
2411         to bb_with_exit_edge_p.
2412         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
2413         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
2414         to bb_with_exit_edge_p.
2415         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
2416         EDGE_LOOP_EXIT.
2417         * tree-loop-linear.c (linear_transform_loops): Do not call
2418         flow_loop_scan.  Use loop->single_exit.
2419         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
2420         (vect_analyze_loop_form): Do not call flow_loop_scan.
2421         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
2422         loop->single_exit.
2423         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
2424         loop->single_exit.
2425         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2426         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2427         slpeel_tree_duplicate_loop_to_edge_cfg,
2428         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2429         Use loop_preheader_edge and loop->single_exit.  Do not call
2430         flow_loop_scan.
2431
2432 2005-03-01  Nick Clifton  <nickc@redhat.com>
2433
2434         * config/arm/arm.c (thumb_find_work_register): Check all of the
2435         argument registers to see if they are free, and a couple of
2436         special cases where the last argument register but can be proved
2437         to be available during the function's prologue.
2438         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
2439         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
2440         thumb_unexpanded_epilogue): Use unsigned long as the type for the
2441         register bit-mask.
2442         (thumb_compute_save_reg_mask): Likewise.  Also use
2443         thumb_find_work_register() to ensure that there is agreement about
2444         which work register is going to be used in the prologue.
2445         (thumb_output_function_prologue): Use unsigned long as the type
2446         for the register bit-mask.  Also delay pushing the link register if
2447         other high registers are going to be pushed.
2448         (thumb_compute_save_reg_mask, emit_multi_reg_push,
2449         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
2450         redundant prototypes.
2451
2452 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
2453
2454         PR target/19819
2455         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
2456         and after reload in REG+REG indexed addresses without REG_POINTER
2457         set in the base and not set in the index.
2458
2459 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2460
2461         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
2462         Don't undefine here.
2463         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
2464         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
2465         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
2466         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
2467         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
2468         Delete.
2469         * config.gcc (sh*-*-linux*): Use config/linux.h.
2470
2471 2005-02-28  Dale Johannesen  <dalej@apple.com>
2472             Stan Shebs  <shebs@apple.com>
2473
2474         Rewrite of 64-bit Darwin structure-by-value pass/return.
2475         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
2476         intoffset, use_stack, named.
2477         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
2478         (rs6000_darwin64_record_arg_advance_flush):  New.
2479         (rs6000_darwin64_record_arg_advance_recurse): New.
2480         (rs6000_darwin64_record_arg_flush):  New.
2481         (rs6000_darwin64_record_arg_recurse):  New.
2482         (rs6000_darwin64_record_arg):  New.
2483         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
2484         (function_arg_boundary):  Handle 128-bit aligned structs.
2485         (function_arg_advance):  Rewrite darwin64 struct handling.
2486         (function_arg):  Call rs6000_darwin64_record_arg.
2487         (function_arg_partial_nregs):  Handle darwin64 structs.
2488         (rs6000_darwin64_function_value):  Remove.
2489         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
2490
2491 2005-02-28  Roger Sayle  <roger@eyesopen.com>
2492
2493         PR tree-optimization/20216
2494         * tree-chrec.c (tree_fold_factorial): Delete.
2495         (tree_fold_binomial): Change argument list to take a return type
2496         and change the type of K to unsigned int.  Rewrite to avoid explicit
2497         evaluation of factorials, and (recursively) calling fold to perform
2498         compile-time arithmetic.  Return NULL on (internal) overflow.
2499         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
2500         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
2501         if any intermediate calculation overflows.
2502         (chrec_apply): Update call to chrec_evaluate.
2503
2504 2005-02-28  James E Wilson  <wilson@specifixinc.com>
2505
2506         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
2507
2508 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
2509
2510         PR c/20245
2511         * c-parser.c (c_parser_compound_statement): Return error_mark_node
2512         instead of NULL_TREE on error.
2513
2514 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
2515
2516         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
2517         (EASY_VECTOR_15_ADD_SELF): Remove.
2518         (num_insns_constant_wide): Not static.
2519         (validate_condition_mode): Not static.
2520         (toc_relative_expr_p): Not static.
2521         (legitimate_indirect_address_p): Not static.
2522         (macho_lo_sum_memory_operand): Not static.
2523         (invalid_e500_subreg): Not static.
2524         (easy_vector_same): Not static.
2525         (easy_vector_splat_const): Not static.
2526         (RS6000_SYMBOL_REF_TLS_P): Remove.
2527         (any_operand): Delete.
2528         (any_parallel_operand): Delete.
2529         (count_register_operand): Delete.
2530         (altivec_register_operand): Delete.
2531         (xer_operand): Delete.
2532         (s8bit_cint_operand): Delete.
2533         (short_cint_operand): Delete.
2534         (u_short_cint_operand): Delete.
2535         (non_short_cint_operand): Delete.
2536         (exact_log2_cint_operand): Delete.
2537         (gpc_reg_operand): Delete.
2538         (cc_reg_operand): Delete.
2539         (cc_reg_not_cr0_operand): Delete.
2540         (reg_or_short_operand): Delete.
2541         (reg_or_neg_short_operand): Delete.
2542         (reg_or_aligned_short_operand): Delete.
2543         (reg_or_u_short_operand): Delete.
2544         (reg_or_cint_operand): Delete.
2545         (reg_or_arith_cint_operand): Delete.
2546         (reg_or_add_cint64_operand): Delete.
2547         (reg_or_sub_cint64_operand): Delete.
2548         (reg_or_logical_cint_operand): Delete.
2549         (got_operand): Delete.
2550         (got_no_const_operand): Delete.
2551         (easy_fp_constant): Delete.
2552         (easy_vector_constant): Delete.
2553         (easy_vector_constant_add_self): Delete.
2554         (zero_constant): Delete.
2555         (zero_fp_constant): Delete.
2556         (volatile_mem_operand): Delete.
2557         (offsettable_mem_operand): Delete.
2558         (mem_or_easy_const_operand): Delete.
2559         (add_operand): Delete.
2560         (non_add_cint_operand): Delete.
2561         (logical_operand): Delete.
2562         (non_logical_cint_operand): Delete.
2563         (mask_operand): Delete.
2564         (mask_operand_wrap): Delete.
2565         (mask64_operand): Delete.
2566         (mask64_2_operand): Delete.
2567         (and64_operand): Delete.
2568         (and64_2_operand): Delete.
2569         (and_operand): Delete.
2570         (reg_or_mem_operand): Delete.
2571         (lwa_operand): Delete.
2572         (symbol_ref_operand): Delete.
2573         (call_operand): Delete.
2574         (current_file_function_operand): Delete.
2575         (input_operand): Delete.
2576         (rs6000_nonimmediate_operand): Delete.
2577         (rs6000_tls_symbol_ref): Delete.
2578         (save_world_operation): Delete.
2579         (restore_world_operation): Delete.
2580         (load_multiple_operation): Delete.
2581         (store_multiple_operation): Delete.
2582         (vrsave_operation): Delete.
2583         (mfcr_operation): Delete.
2584         (mtcrf_operation): Delete.
2585         (lmw_operation): Delete.
2586         (stmw_operation): Delete.
2587         (branch_comparison_operator): Delete.
2588         (branch_positive_comparison_operator): Delete.
2589         (scc_comparison_operator): Delete.
2590         (trap_comparison_operator): Delete.
2591         (boolean_operator): Delete.
2592         (boolean_or_operator): Delete.
2593         (min_max_operator): Delete.
2594         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
2595         (EASY_VECTOR_15): Moved to here.
2596         (EASY_VECTOR_15_ADD_SELF): Move to here.
2597         (PREDICATE_CODES): Delete.
2598         * config/rs6000/rs6000-protos.h: Delete predicate functions.
2599         Declare functions no longer static.
2600         * config/rs6000/predicates.md: New.
2601         * config/rs6000/rs6000.md: Include predicates.md
2602
2603 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
2604
2605         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
2606         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
2607         REG_ALWAYS_RETURN.
2608         * cfgrtl.c (need_fake_edge_p): Likewise.
2609         * combine.c (distribute_notes): Likewise.
2610         * emit-rtl.c (try_split): Likewise.
2611         * recog.c (peephole2_opimize): Likewise.
2612         * reg-notes.def (ALWAYS_RETURN): Remove.
2613         * rtl.h (LCT_ALWAYS_RETURN): Remove.
2614         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
2615         * tree.h (ECF_ALWAYS_RETURN): Remove.
2616
2617 2005-02-28  Roger Sayle  <roger@eyesopen.com>
2618
2619         PR middle-end/19874
2620         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
2621         between different machine modes is never a "useless" conversion.
2622
2623 2005-02-28  Geert Bosch  <bosch@gnat.com>
2624
2625         PR ada/15977
2626         * doc/contrib.texi: List contributors for Ada front end
2627
2628 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
2629
2630         * simplify-rtx.c (simplify_unary_operation_1,
2631         simplify_const_unary_operation): New, extracted from...
2632         (simplify_unary_operation): ... this one.
2633         (simplify_binary_operation_1,
2634         simplify_const_binary_operation): New, extracted from...
2635         (simplify_binary_operation): ... this one.
2636         * rtl.h (simplify_const_unary_operation,
2637         simplify_const_binary_operation): Add prototypes.
2638
2639 2005-02-28  Julian Brown  <julian@codesourcery.com>
2640
2641         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
2642         building libjava and caused PR regression/20228.
2643
2644 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
2645
2646         PR bootstrap/17383
2647         * Makefile.in (host_subdir): New.
2648         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
2649         * configure: Regenerate.
2650
2651 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
2652
2653         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
2654         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
2655         installation directory first.
2656
2657 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
2658
2659         PR target/19065.
2660         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
2661         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
2662         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
2663         * config/cris/cris.md: Tweak comments referring to Q.
2664         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
2665         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
2666         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
2667         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
2668         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
2669         Insert spaces in constraints to align alternatives vertically for
2670         readability.
2671         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
2672         operand 1: "M".
2673
2674 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2675
2676         PR rtl-optimization/17728
2677         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
2678         operand 0 from general_operand to move_dest_operand.
2679
2680 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2681
2682         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
2683         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
2684         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
2685         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
2686
2687 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
2688
2689         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
2690         * configure: Regenerate.
2691         * libada-mk.in: Remove CC; rename
2692         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
2693
2694 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
2695
2696         PR tree-opt/20188
2697         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
2698         for the lhs, also walk over the tree.  Likewise for rhs.
2699
2700 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
2701
2702         * tree-ssa-dom.c (simple_iv_increment_p): New function.
2703         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
2704         Do not propagate value of iv before increment over the increment.
2705
2706 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
2707
2708         * c-parser.c: New file.
2709         * c-parse.in: Remove.
2710         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
2711         Remove.
2712         (c-parser.o): Add dependencies.
2713         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
2714         maintainer-clean, TAGS): Update.
2715         * c-config-lang.in (gtfiles): Update.
2716         * gengtype-lex.l: Don't handle "@@".
2717         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
2718         objc_build_synchronized, objc_begin_try_stmt,
2719         objc_begin_catch_clause, objc_finish_catch_clause,
2720         objc_build_finally_clause, objc_finish_try_stmt): New.
2721         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
2722         type_seen_p.
2723         (c_parse_init): Update comment.
2724         * c-decl.c (c_init_decl_processing): Update comment.
2725         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
2726         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
2727         new c_declspecs members.
2728
2729 2005-02-25  Julian Brown  <julian@codesourcery.com>
2730
2731         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2732         from being used for symbols with vague linkage when
2733         HAVE_GAS_COMDAT_GROUP is true.
2734
2735 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2736
2737         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
2738
2739 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
2740
2741         PR target/19930
2742         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
2743         (LIBGCC2_HAS_DF_MODE): New.
2744         (LIBGCC2_HAS_XF_MODE): New.
2745         (LIBGCC2_HAS_TF_MODE): New.
2746         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2747         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2748         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2749         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2750         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
2751         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
2752         and add _fixtfdi, _fixunstfdi, _floatditf
2753         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
2754         L_fixunstfdi, L_floatditf.
2755         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
2756         (LIBGCC2_HAS_TF_MODE): Define.
2757
2758 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
2759
2760         PR tree-optimization/20204
2761         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
2762         REWRITE_THIS_STMT markers on PHI nodes.
2763         (rewrite_initialize_block): Likewise.
2764
2765 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2766
2767         * version.c (version_string): Update to 4.1.
2768
2769 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
2770
2771         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
2772         Clarify that the alternative way doesn't work in GNU C++.
2773
2774 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
2775
2776         PR tree-optimization/19937
2777         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
2778         to the type of the induction variable.
2779
2780 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2781
2782         PR rtl-optimization/20117
2783         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
2784         the block including noncopyable insn.
2785
2786 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2787
2788         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
2789         calls to find_reg_note.
2790
2791 2005-02-24  Richard Henderson  <rth@redhat.com>
2792
2793         PR tree-opt/20127
2794         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
2795         the type.
2796
2797 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
2798
2799         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
2800         vector types if to use base reg for misaligned non-word ld/std.
2801
2802 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2803
2804         PR target/14619
2805         * config/cris/cris.c (cris_target_asm_function_prologue): Create
2806         dwarf2 label manually and put it after, not before the prologue.
2807
2808 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
2809
2810         PR target/19019
2811         * reload.c (operands_match_p): Only increment register number for
2812         SCALAR_INT_MODE_P modes in multiple hard registers.
2813
2814         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
2815         Fix formatting.
2816
2817 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2818
2819         * ChangeLog.5: Fix log message typo(s).
2820         * ChangeLog.7: Likewise.
2821         * ChangeLog.tree-ssa: Likewise.
2822         * cfgexpand.c: Fix comment typo(s).
2823         * conflict.c: Likewise.
2824         * defaults.h: Likewise.
2825         * dwarf2out.c: Likewise.
2826         * gcse.c: Likewise.
2827         * ggc-page.c: Likewise.
2828         * tree-eh.c: Likewise.
2829         * tree-ssa-dom.c: Likewise.
2830
2831 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
2832
2833         PR target/19019
2834         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
2835         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
2836         if SHARED is defined.
2837
2838         PR target/20196
2839         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
2840         allow splitting only if operands 0 and 3 don't overlap.
2841
2842 2005-02-24  Richard Henderson  <rth@redhat.com>
2843
2844         PR middle-end/19953
2845         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
2846         (fold_builtin_1): Call them.
2847         * fold-const.c (fold_complex_mult_parts): Split out from ...
2848         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
2849         (fold_complex_div_parts, fold_complex_div): New.
2850         (fold): Use them.
2851         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
2852
2853 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2854
2855         * tree-ssa-ccp.c (visit_assignment): Verify that result of
2856         VIEW_CONVERT_EXPR is_gimple_min_invariant.
2857
2858         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
2859         (print_node): Likewise.
2860         Print TYPE_SIZES_GIMPLIFIED.
2861
2862 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2863
2864         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
2865         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
2866         operands as commutative in constraints.
2867
2868 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
2869
2870         * tree-into-ssa.c: Re-organize internal functions.
2871
2872 2005-02-24  Richard Henderson  <rth@redhat.com>
2873
2874         PR middle-end/18902
2875         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
2876         for c99.
2877         * common.opt (fcx-limited-range): New.
2878         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
2879         * toplev.c (flag_complex_method): Initialize to 1.
2880         (process_options): Set flag_complex_method to 0 if
2881         flag_cx_limited_range.
2882         * doc/invoke.texi (-fcx-limited-range): New.
2883
2884 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2885
2886         * cse.c (delete_trivially_dead_insns): Speed up by using
2887         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
2888         prev_real_insn.
2889
2890 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
2891
2892         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
2893         functions when -mid-shared-library is being used.
2894
2895 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2896
2897         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
2898         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
2899         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
2900         * system.h: Poison LINK_LIBGCC_SPECIAL.
2901
2902 2005-02-23  James E Wilson  <wilson@specifixinc.com>
2903
2904         * gengtype.c (note_insn_name): Make 1 element larger.
2905
2906 2005-02-23  Roger Sayle  <roger@eyesopen.com>
2907
2908         PR target/20018
2909         PR rtl-optimization/20097
2910         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2911         BImode SUBREGs of SImode registers which confuse the ia64 backend.
2912
2913 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
2914
2915         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
2916         * t-aix52 (SHLIB_INSTALL): Same.
2917
2918 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
2919
2920         * genpreds.c: Update copyright.
2921
2922 2005-02-23  Michael Beach  <michaelb@ieee.org>
2923
2924         PR target/20159
2925         * config/sparc/t-elf (startup files): Assemble with CPP.
2926
2927 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
2928
2929         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
2930         (write_predicate_expr): Likewise.
2931
2932 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
2933
2934         PR tree-optimization/20100
2935         PR tree-optimization/20115
2936         * tree-optimize.c (init_tree_optimization_passes): Remove
2937         pass_maybe_create_global_var.
2938         * tree-pass.h (pass_maybe_create_global_var): Remove.
2939         * tree-ssa-alias.c (aliases_computed_p): Declare.
2940         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
2941         (count_calls_and_maybe_create_global_var): Remove.
2942         (pass_maybe_create_global_var): Remove.
2943         (init_alias_info): Do not declare aliases_computed_p.
2944         (maybe_create_global_var): If the function contains no
2945         call-clobbered variables and a mix of pure/const and regular
2946         function calls, create .GLOBAL_VAR.
2947         Mark all call-clobbered variables for renaming.
2948         (merge_pointed_to_info): Update comment.
2949         (add_pointed_to_var): Likewise.
2950         (is_escape_site): Likewise.
2951         Accept struct alias_info * instead of size_t *.
2952         Update all users.
2953         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
2954         as necessary.
2955         * tree-ssa-operands.c (get_call_expr_operands): If
2956         ALIASES_COMPUTED_P is false, do not add call-clobbering
2957         operands.
2958         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
2959         (delete_tree_ssa): Likewise.
2960
2961 2005-02-22  James E Wilson  <wilson@specifixinc.com>
2962
2963         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
2964         (do_compile): Do call it here.
2965
2966 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
2967
2968         PR rtl-optimization/20017.
2969         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
2970         rest_of_handle_cse2, rest_of_handle_gcse): Call
2971         delete_dead_jumptables immediately before calling cleanup_cfg.
2972
2973 2005-02-22  Devang Patel  <dpatel@apple.com>
2974
2975         PR 19952
2976         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
2977         all labels
2978
2979 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
2980
2981         * config/rs6000/aix.h (WINT_TYPE): Define.
2982
2983 2005-02-22  Stan Shebs  <shebs@apple.com>
2984
2985         * config/rs6000/rs6000.c (rs6000_override_options): Default to
2986         natural alignment for 64-bit Darwin.
2987         (rs6000_parse_alignment_option): Warn about uses of -malign-power
2988         on 64-bit Darwin.
2989         * doc/invoke.texi: Document this.
2990
2991 2005-02-22  DJ Delorie  <dj@redhat.com>
2992
2993         * c-common.c (c_common_type_for_mode): Pass the mode's precision
2994         to make_[un]signed_type, not the mode itself.
2995
2996 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
2997
2998         * cfg.c (cached_make_edge): Call make_edge if edge cache is
2999         not available.  Use tail calls wherever possible.
3000         (make_edge): Call unchecked_make_edge to create an edge.
3001
3002         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
3003         (coalesce_ssa_name): Don't check for
3004         SSANORM_USE_COALESCE_LIST.
3005         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
3006
3007 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3008
3009         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
3010         (rewrite_into_ssa): ... here.
3011
3012 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
3013
3014         PR tree-optimization/19786
3015         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
3016         tag to another's may-alias bitmap when adding to the other's list.
3017
3018 2005-02-21  DJ Delorie  <dj@redhat.com>
3019
3020         * tree-ssa-loop-ivopts.c (computation_cost): Start register
3021         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
3022         registers in unsupported ways.
3023         * expmed.c (init_expmed): Likewise.
3024
3025 2005-02-21  Stan Cox  <scox@redhat.com>
3026
3027         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
3028
3029 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3030
3031         * tree-cfg.c (fold_cond_expr_cond): New.
3032         (make_edges): Call fold_cond_expr_cond.
3033         (find_taken_edge): Accept nothing but INTEGER_CST.
3034         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
3035         and 1.
3036         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
3037
3038         * flow.c (delete_dead_jumptables): Speed up by scanning insns
3039         that do not belong to any basic block.
3040
3041 2005-02-21  Jeff Law  <law@redhat.com>
3042
3043         * cfganal.c (find_unreachable_blocks): Manually CSE load of
3044         e->dest.
3045
3046 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3047
3048         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
3049         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
3050         Adjust their definitions.
3051         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
3052         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
3053
3054         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
3055         genautomata.c, langhooks.c, langhooks.h, system.h,
3056         config/arm/lib1funcs.asm: Update copyright.
3057
3058 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3059
3060         * dbxout.c (dbxout_function_end): Emit Lscope label always.
3061
3062 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
3063
3064         PR bootstrap/13770
3065         * doc/install.texi: Document --with-gc.
3066
3067 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
3068
3069         * simplify-rtx.c (simplify_unary_operation): Add a missing
3070         "break" statement.
3071
3072 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3073
3074         PR tree-optimization/18663
3075         * tree-ssa-dom.c (extract_range_from_cond): Return 0
3076         if the type has variable bounds.
3077
3078 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
3079
3080         * gcse.c: Remove an obsolete comment.
3081
3082         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
3083
3084 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
3085
3086         * doc/extend.texi (Function Attributes) <Attribute const>: The
3087         attribute "pure" is below this text, not above.
3088
3089 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3090
3091         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
3092         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
3093         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
3094
3095 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
3096
3097         PR 18785
3098         * langhooks.h (struct lang_hooks): Add to_target_charset.
3099         * langhooks.c (lhd_to_target_charset): New function.
3100         * langhooks-def.h: Declare lhd_to_target_charset.
3101         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
3102         (LANG_HOOKS_INITIALIZER): Update.
3103         * c-common.c (c_common_to_target_charset): New function.
3104         * c-common.h: Declare it.
3105         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
3106         c_common_to_target_charset.
3107
3108         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
3109         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
3110         Delete definitions.
3111         * system.h: Poison them.
3112         * doc/tm.texi: Don't discuss them.
3113         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
3114         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
3115         (pp_c_char): Do not attempt to generate letter escapes for
3116         newline, tab, etc.
3117         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
3118         * config/mips/mips.c (mips_output_ascii): Likewise.
3119
3120 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
3121
3122         PR tree-optimization/19951
3123         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
3124         is abnormal.
3125
3126 2005-02-19  Steven Bosscher  <stevenb@suse.de>
3127
3128         PR middle-end/19698
3129         * function.h (struct function): New field `max_loop_depth'.
3130         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
3131         (flow_loops_find): Reset the max loop depth count before finding loops.
3132         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
3133         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
3134         (calculate_global_regs_live): Make sure the loop will terminate
3135         when the initial sets are not empty.
3136
3137 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
3138
3139         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
3140         object inside.
3141         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
3142
3143 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
3144
3145         PR other/19525
3146         * doc/invoke.texi: Remove documentation of %M spec.
3147         * gcc.c: Likewise.
3148         (init_spec): Remove %M suffix from -lgcc_s.
3149         (do_spec_1): Remove 'M' case.
3150         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
3151         to put shared libraries in the multilib directory.  Remove the
3152         shlib_so_soname substitution variable.  Don't add a multilib encoding
3153         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
3154         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
3155         SHLIB_INSTALL as well as SHLIB_LINK.
3156         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
3157         (SHLIB_NAME): Delete.
3158         (SHLIB_DIR): New macro.
3159         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
3160         (SHLIB_INSTALL): Adjust accordingly.
3161         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
3162         * config/t-slibgcc-sld: Likewise.
3163         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
3164         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
3165         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
3166         in $(SHLIB_DIR).
3167         (SHLIBUNWIND_INSTALL): Adjust accordingly.
3168         * config/i386/t-nwld (SHLIB_SONAME): Delete.
3169         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
3170         Use @shlib_base_name@ instead of @shlib_so_name@.
3171         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
3172         and @shlib_base_name@.so in @multilib_dir@.
3173         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
3174         to the install path.
3175         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
3176         (SHLIB_LINK): Remove previous workaround.
3177         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
3178         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
3179         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
3180         the install path.
3181         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
3182         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
3183         (SHLIB_INSTALL): Adjust accordingly.
3184         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
3185         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
3186         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
3187         config/t-slibgcc-elf-ver.
3188
3189 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
3190             Jakub Jelinek  <jakub@redhat.com>
3191
3192         PR tree-optimization/19828
3193         * tree-ssa-loop-im.c: Add a TODO comment.
3194         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
3195         without side-effects.
3196
3197 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
3198
3199         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
3200         call fold_convert.
3201
3202 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
3203
3204         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
3205         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
3206         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
3207         functions.
3208         (ia64_reorg): Delete fixup_errata call.
3209         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
3210         (TARGET_SWITCHES): Delete -mb-step entry.
3211
3212 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
3213
3214         PR c/20043
3215         * c-typeck.c (composite_type): Handle quals in transparent unions.
3216         (type_lists_compatible_p): Likewise.
3217
3218 2005-02-18  Stan Shebs  <shebs@apple.com>
3219
3220         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
3221         expressions in the .literal8 section.
3222
3223 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
3224
3225         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
3226
3227 2005-02-18  Roger Sayle  <roger@eyesopen.com>
3228
3229         * fold-const.c (constant_boolean_node): Always create values of the
3230         specified type, don't bother calling truthvalue_conversion.
3231
3232 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3233
3234         * except.c (output_function_exception_table): Call
3235         assemble_external_libcall (eh_personality_libfunc).
3236
3237 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3238
3239         PR target/19886
3240         * config/ia64/ia64.h (struct machine_function): Add state_num.
3241         * config/ia64/ia64.c (process_epilogue,
3242         process_for_unwind_directive): Use new unwind state numbers each
3243         time rather than state 1.
3244
3245 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
3246
3247         PR target/20054
3248         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
3249         before the "*llgt_didi" pattern.
3250
3251 2005-02-18  Jason Merrill  <jason@redhat.com>
3252
3253         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
3254
3255 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
3256
3257         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
3258         (div0): Use it in place of ARM_FUNC_ALIAS.
3259         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
3260
3261 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
3262
3263         PR middle-end/20030
3264         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
3265         access, the lower bound of the array type if it exists.
3266
3267 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
3268
3269         PR c++/20008
3270         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
3271         cases that are out-of-range for the index type.
3272
3273 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
3274
3275         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
3276         (estimate_case_costs): Don't call convert.
3277         * expmed.c (expand_shift): Likewise.
3278         (make_tree): Call fold_convert instead of convert.
3279
3280 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
3281
3282         PR c++/19813
3283         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
3284         that ref to be marked MEM_READONLY_P doesn't have base that needs
3285         constructing.
3286
3287 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3288
3289         * genautomata.c (output_get_cpu_unit_code_func,
3290         output_cpu_unit_reservation_p): Don't generate old-style function
3291         definitions.
3292
3293 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
3294
3295         PR c++/20023
3296         PR tree-optimization/20009
3297         * convert.c (convert_to_integer): Revert 2005-02-16 change.
3298
3299         PR tree-optimization/18947
3300         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
3301         inline, remove all nodes that are inlined into the extern inline
3302         being redefined.
3303
3304 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
3305
3306         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
3307         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
3308         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
3309         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
3310         Update copyright.
3311
3312 2005-02-17  Roger Sayle  <roger@eyesopen.com>
3313
3314         PR tree-optimization/19917
3315         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
3316         to be potentially trapping.
3317
3318 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
3319
3320         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
3321
3322 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3323
3324         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
3325         tem becomes a local variable which is set to the value of the
3326         back end defined INITIAL_FRAME_ADDRESS macro.
3327         (expand_builtin_frame_address): Omit the base parameter to
3328         expand_builtin_return_addr.
3329         (expand_builtin_profile_func): Likewise.
3330         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
3331         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
3332         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
3333
3334 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
3335
3336         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
3337         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
3338         * config/frv/frv.c (frv_function_epilogue): Likewise.
3339
3340 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
3341
3342         * lambda-code (perfect_nestify): Remove mark/unmark
3343         for rewriting hack.
3344         * tree-loop-linear.c (linear_transform_loops): Add
3345         rewrite_into_ssa call so that ssa is correct for
3346         rewriting into loop closed.
3347
3348 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
3349
3350         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
3351         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
3352         BITMAP_FREE.
3353         * bt-load.c (btr_def_live_range, combine_btr_defs,
3354         migrate_btr_def, migrate_btr_defs): Likewise.
3355         * cfgcleanup.c (thread_jump): Likewise.
3356         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
3357         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
3358         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
3359         df_rd_local_compute, df_reg_info_compute): Likewise.
3360         * dominance.c (init_dom_info, free_dom_info): Likewise.
3361         * flow.c (init_propagate_block_info,
3362         free_propagate_block_info): Likewise.
3363         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
3364         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
3365         modify_reg_pav): Likewise.
3366         * loop-invariant.c (find_defs, find_invariant_insn,
3367         find_invariants, free_inv_motion_data): Likewise.
3368         * predict.c (tree_predict_by_opcode,
3369         estimate_bb_frequencies): Likewise.
3370         * stmt.c (expand_case): Likewise.
3371         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
3372         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
3373         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
3374         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
3375         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
3376         rewrite_ssa_into_ssa): Likewise.
3377         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3378         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
3379         analyze_edges_for_bb, perform_edge_inserts): Likewise.
3380         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
3381         * tree-sra.c (tree_sra): Likewise.
3382         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
3383         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
3384         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
3385         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
3386         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
3387         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
3388         Likewise.
3389         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
3390         calculate_live_on_entry, calculate_live_on_exit,
3391         build_tree_conflict_graph): Likewise.
3392         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
3393         record_important_candidates, set_use_iv_cost, find_depends,
3394         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
3395         tree_ssa_iv_optimize_finalize): Likewise.
3396         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
3397         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
3398         tree_duplicate_loop_to_header_edge): Likewise.
3399         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
3400         * tree-ssa.c (verify_flow_insensitive_alias_info,
3401         verify_name_tags, verify_ssa, init_tree_ssa,
3402         delete_tree_ssa): Likewise.
3403         * tree-ssanames.c (marked_ssa_names, init_ssanames,
3404         fini_ssanames): Likewise.
3405         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
3406
3407 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
3408
3409         * config/rs6000/t-rtems: Completely reworked.
3410
3411 2005-02-17  Ira Rosen  <irar@il.ibm.com>
3412
3413         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
3414
3415 2005-02-17  Ira Rosen  <irar@il.ibm.com>
3416
3417         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
3418         POINTER_TYPE_P when checking that type is a pointer.
3419         (vect_get_memtag): Remove.
3420         (vect_address_analysis): Use POINTER_TYPE_P. Call
3421         vect_object_analysis with dummy parameter for memtag.
3422         (vect_object_analysis): Extract memtag (functionality that
3423         used to be in vect_get_memtag and moved here). Fix printings.
3424         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
3425         with correct parameters. Remove call to vect_get_memtag.
3426
3427 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
3428
3429         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
3430         (tree-vectorizer.o): Added missing dependencies.
3431
3432         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
3433         decleration.