OSDN Git Service

gcc:
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
2
3         * config.gcc: Consistently use solaris2.1[0-9]* instead of
4         solaris2.1[0-9].
5
6 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
7
8         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
9         of CALL_EXPR.
10         (expand_builtin_memcpy, fold_builtin_1): Update calls to
11         fold_builtin_memcpy.
12
13         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
14         arguments of CALL_EXPR.
15         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
16         fold_builtin_found, fold_builtin_1): Update calls to
17         fold_trunc_transparent_mathfn.
18
19 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20
21         PR middle-end/20493
22         * fold-const.c (fold_widened_comparison): Don't optimize casts of
23         function pointers on targets that require function pointer
24         canonicalization.
25         (fold_sign_changed_comparison): Likewise.
26
27 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
28
29         * combine.c (try_combine): When changing the mode of a hard reg, make
30         sure that doing so is valid.
31
32 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
33
34         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
35         (TARGET_HANDLE_OPTION): Override default.
36         (avr_handle_option): New function.
37         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
38         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
39         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
40         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
41         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
42         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
43         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
44         (TARGET_OPTIONS): Delete.
45         * config/avr/avr.opt: New file.
46
47 2005-03-18  James E Wilson  <wilson@specifixinc.com>
48
49         PR c++/19769
50         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
51         origin.
52
53 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
54
55         * config/mn10300/mn10300-protos.h: Remove the prototypes for
56         call_address_operand, const_8bit_operand.
57         * config/mn10300/mn10300.c (call_address_operand,
58         const_8bit_operand, const_1f_operand): Move to predicates.md.
59         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
60         * config/mn10300/mn10300.md: Include predicates.md.
61         * config/mn10300/predicates.md: New.
62
63 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
64
65         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
66         declarations in diagnostics and %E for identifiers, not %s.
67
68 2005-03-18  Jan Hubicka  <jh@suse.cz>
69             Dale Johannesen  <dalej@apple.com>
70
71         * basic-block.h (scale_bbs_frequencies_int,
72         scale_bbs_frequencies_gcov_type): Declare.
73         * cfg.c (RDIV): New macro.
74         (update_bb_frequency_for_threading): Fix.
75         * basic-block.h (scale_bbs_frequencies_int,
76         scale_bbs_frequencies_gcov_type): New.
77         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
78         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
79         scale_bbs_frequencies_int.
80         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
81
82 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
83
84         * config/m32r/m32r-protos.h: Remove the prototypes for
85         call_address_operand, symbolic_operand, seth_add3_operand,
86         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
87         reg_or_uint16_operand, reg_or_cmp_int16_operand,
88         two_insn_const_operand, move_src_operand,
89         move_double_src_operand, move_dest_operand,
90         eqne_comparison_operator, signed_comparison_operator,
91         large_insn_p, conditional_move_operand, carry_compare_operand,
92         m32r_block_immediate_operand, extend_operand,
93         reg_or_eq_int16_operand, int8_operand, and
94         reg_or_zero_operand.
95         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
96         seth_add3_operand, int8_operand, cmp_int16_operand,
97         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
98         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
99         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
100         move_double_src_operand, move_dest_operand,
101         eqne_comparison_operator, signed_comparison_operator,
102         extend_operand, small_insn_p, large_insn_p,
103         conditional_move_operand, carry_compare_operand,
104         m32r_block_immediate_operand): Move to predicates.md.
105         (MAX_MOVE_BYTES): Move to m32r.h.
106         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
107         * config/m32r/m32r.md: Include predicates.md.
108         * config/m32r/predicates.md: New.
109
110         * config/pa/pa-protos.h: Add prototypes for magic_milli and
111         shadd_constant_p.
112         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
113         symbolic_operand, symbolic_memory_operand,
114         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
115         indexed_memory_operand, move_dest_operand, move_src_operand,
116         prefetch_cc_operand, prefetch_nocc_operand,
117         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
118         arith_operand, arith11_operand, pre_cint_operand,
119         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
120         ireg_operand, int5_operand, uint5_operand, int11_operand,
121         uint32_operand, arith5_operand, and_operand, ior_operand,
122         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
123         pc_or_label_operand, div_operand, plus_xor_ior_operator,
124         shadd_operand, movb_comparison_operator,
125         cmpib_comparison_operator): Move to predicates.md.
126         (magic_milli, shadd_constant_p): Make it extern.
127         * config/pa/pa.h (PREDICATE_CODES): Remove.
128         * config/pa/pa.md: Include predicates.md.
129         * config/pa/predicates.md: New.
130
131         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
132         predicate.
133
134 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
135
136         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
137         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
138         config/alpha/freebsd.h, config/alpha/linux.h,
139         config/alpha/netbsd.h, config/alpha/osf5.h,
140         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
141         config/h8300/h8300-protos.h, config/h8300/h8300.c,
142         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
143         doc/cppopts.texi: Update copyright.
144
145 2005-03-18  Jan Hubicka  <jh@suse.cz>
146
147         PR middle-end/20225
148         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
149         too late.
150         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
151         called too late.
152
153 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
154
155         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
156         VEC_safe_push.
157
158 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
159
160         * combine.c (gen_binary): Remove.
161         (known_cond, simplify_shift_const, find_split_point,
162         combine_simplify_rtx, simplify_if_then_else, simplify_set,
163         simplify_logical, expand_field_assignment, extract_left_shift,
164         force_to_mode, if_then_else_cond, apply_distributive_law,
165         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
166         simplify_comparison, reversed_comparison): Replace with
167         simplify_gen_binary, simplify_gen_relational or
168         distribute_and_simplify_rtx.
169         (distribute_and_simplify_rtx): New function.
170
171 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
172             Paolo Bonzini  <gcc.gnu.org>
173
174         * calls.c (setjmp_call_p, special_function_p): Update comments
175         at the head of the functions.
176
177 2005-03-18  Jan Hubicka  <jh@suse.cz>
178
179         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
180
181         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether 
182         function body should be released; do not proactively release function
183         bodies in non-unit-at-a-time mode.
184
185 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
186
187         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
188         mno-fp-ret-in-387 multilib variants.
189
190 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
191
192         * common.opt (m): Remove.
193         * opts.c (handle_option): Pass 'm' options to set_target_switch if
194         table lookup fails.
195         (common_handle_option): Remove OPT_m case.
196
197 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
198
199         * builtins.c (fold_builtin_bitop): Take decomposed arguments
200         of CALL_EXPR.
201         (fold_builtin_1): Update a call to fold_builtin_bitop.
202
203         * builtins.c (fold_builtin_signbit): Take decomposed arguments
204         of CALL_EXPR.
205         (fold_builtin_1): Update a call to fold_builtin_signbit.
206
207 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
208
209         PR tree-optimization/20474
210         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the 
211         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
212
213 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
214
215         * config/h8300/h8300-protos.h: Remove prototypes for
216         general_operand_src, general_operand_dst, single_one_operand,
217         single_zero_operand, call_insn_operand,
218         two_insn_adds_subs_operand, small_call_insn_operand,
219         jump_address_operand, bit_operand, bit_memory_operand,
220         stack_pointer_operand, const_int_gt_2_operand,
221         const_int_ge_8_operand, const_int_qi_operand,
222         const_int_hi_operand, incdec_operand, bit_operator,
223         nshift_operator, eqne_operator, gtle_operator,
224         gtuleu_operator, iorxor_operator.
225         Add prototypes for h8sx_shift_type h8sx_classify_shift and
226         h8300_ldm_stm_parallel.
227         * config/h8300/h8300.c (h8sx_shift_type,): Move to
228         h8300-protos.h.
229         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
230         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
231         (h8300_ldm_stm_parallel): Make it extern.
232         (h8300_ldm_parallel, h8300_stm_parallel,
233         h8300_return_parallel, general_operand_src,
234         general_operand_dst, h8300_dst_operand, h8300_src_operand,
235         nibble_operand, reg_or_nibble_operand, single_one_operand,
236         single_zero_operand, call_insn_operand,
237         two_insn_adds_subs_operand, small_call_insn_operand,
238         jump_address_operand, bit_operand, bit_memory_operand,
239         stack_pointer_operand, const_int_gt_2_operand,
240         const_int_ge_8_operand, const_int_qi_operand,
241         const_int_hi_operand, incdec_operand, eqne_operator,
242         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
243         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
244         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
245         nshift_operator): Move to predicates.md.
246         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
247         * config/h8300/h8300.md: Include predicates.md.
248         * config/h8300/predicates.md: New.
249
250 2005-03-17  Richard Henderson  <rth@redhat.com>
251
252         * config.gcc (ia64*-*-hpux*): Add extra_options.
253         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
254         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
255         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
256         (ia64_tls_size_string, ia64_tune_string): Remove.
257         (ia64_tune): Init to PROCESSOR_ITANIUM2.
258         (TARGET_DEFAULT_TARGET_FLAGS): New.
259         (TARGET_HANDLE_OPTION): New.
260         (ia64_override_options): Move options parsing ...
261         (ia64_handle_option): ... here.  New.
262         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
263         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32, 
264         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
265         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
266         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
267         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM, 
268         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD, 
269         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
270         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
271         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
272         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
273         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
274         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
275         TARGET_EARLY_STOP_BITS): Remove.
276         (TARGET_ILP32): Default false.
277         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
278         (enum ia64_inline_type): New.
279         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
280         * config/ia64/ia64.md: Update for new definitions of
281         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
282         * config/ia64/ia64.opt: New file.
283         * config/ia64/ilp32.opt: New file.
284
285 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
286
287         PR target/18380
288         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
289
290 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
291
292         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
293         instead of MASK_H8300S.
294         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
295         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
296         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
297         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
298         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
299         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
300         TARGET_SWITCHES): Remove.
301         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
302         TARGET_H8300SX.
303         * config/h8300/h8300.opt: New.
304
305         * config/alpha/alpha.opt, config/arc/arc.opt,
306         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
307         notices.
308
309 2005-03-17  Ian Lance Taylor  <ian@airs.com>
310
311         * gmon.c: Remove.
312
313 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
314
315         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
316         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
317         (TARGET_HANDLE_OPTION): Override default.
318         (arc_handle_option): New function.
319         (arc_init): Remove code to set arch_cpu_string.
320         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
321         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
322         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
323         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
324         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
325         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
326         (arc_rodata_string, TARGET_OPTIONS): Delete.
327         * config/arc/arc.opt: New file.
328
329 2005-03-17  Richard Henderson  <rth@redhat.com>
330
331         * doc/extend.texi (Weak Pragmas): New section.
332         (attribute alias): Clarify that target must be in the same
333         translation unit.
334
335 2005-03-17  Richard Henderson  <rth@redhat.com>
336
337         * config/alpha/alpha.opt: New file.
338         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
339         of alpha_cpu.
340         (alpha_cpu_string, alpha_tune_string, alpha_tp_string, 
341         alpha_fprm_string, alpha_fptm_string): Make static.
342         (alpha_tls_size_string): Remove.
343         (alpha_handle_option): New.
344         (override_options): Update for alpha_cpu/alpha_tune split.
345         (alpha_file_start): Likewise.
346         (TARGET_DEFAULT_TARGET_FLAGS): New.
347         (TARGET_HANDLE_OPTION): New.
348         * config/alpha/alpha.h (alpha_tune): Declare.
349         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS, 
350         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
351         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
352         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
353         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
354         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
355         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
356         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
357         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
358         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
359         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
360         (TARGET_DEFAULT): Remove MASK_FP.
361         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
362         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
363         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
364         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
365         alpha_tls_size_string): Remove.
366         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
367         (attribute tune): Rename from attribute cpu.
368         * config/alpha/ev4.md: Update to match.
369         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
370         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
371         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
372         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
373         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
374         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
375
376 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
377
378         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
379         and return without creating new state if before_nops_num is nonzero.
380         * config/ia64/ia64.md (first_insn): New attribute.
381         (alloc): Set it to yes.
382
383 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
384
385         * tree-vectorizer.c (new_vec_stmt_info): Initialize
386         STMT_VINFO_SUBVARS to NULL.
387         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
388         
389 2005-03-16 Dale Johannesen  <dalej@apple.com>
390
391         * rtlanal.c (find_first_parameter_load):  Rewrite to
392         return actual first param load or the call if none,
393         instead of first in block, when not all loads exist.
394
395 2005-03-16  Roger Sayle  <roger@eyesopen.com>
396
397         * optabs.c (expand_copysign_absneg): Make static.
398         * optabs.h (expand_copysign_absneg): Delete prototype.
399         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
400
401 2005-03-16  Richard Henderson  <rth@redhat.com>
402
403         PR middle-end/15700
404         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
405         (alias_pairs): Rename from output_defs.
406         (find_decl_and_mark_needed): Split out from assemble_alias.
407         (do_assemble_alias): New.
408         (assemble_output_def): Remove.
409         (finish_aliases_1, finish_aliases_2): New.
410         (process_pending_assemble_output_defs): Remove.
411         (assemble_alias): Defer aliases for which we don't yet have a
412         non-external decl for the target symbol.
413         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
414         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
415         * toplev.c (compile_file): Use finish_aliases_2 instead of
416         process_pending_assemble_output_defs.
417         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
418         (process_pending_assemble_output_defs): Remove.
419
420 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
421         
422         Fix PR tree-optimization/20489
423
424         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
425         for empty structures.
426
427 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
428
429         Fix PR tree-optimization/20490
430         
431         * tree-ssa-pre.c (create_expression_by_pieces): Use
432         force_gimple_operand on result of fold.
433
434 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
435
436         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
437         of closing parenthesis.
438
439 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
440
441         * builtins.c (expand_movstr): Update a call to
442         fold_builtin_strcpy.
443         (expand_builtin_strncpy): Update a call to
444         fold_builtin_strncpy.
445         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
446         arguments of CALL_EXPR.
447         (fold_builtin_1): Update calls to fold_builtin_strcpy and
448         fold_builtin_strncpy.
449         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
450         * tree.h: Update the prototypes of fold_builtin_strcpy and
451         fold_builtin_strncpy.
452
453 2005-03-16  Steven Bosscher  <stevenb@suse.de>
454             Dorit Naishlos  <dorit@il.ibm.com>
455
456         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy 
457         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero" 
458         error.
459
460 2005-03-16  Steven Bosscher  <stevenb@suse.de>
461
462         * tree-inline.c (walk_type_fields, walk_tree,
463         walk_tree_without_duplicates): Move from here...
464         * tree.c: ...to here.
465
466 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
467
468         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
469         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
470         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
471         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
472         (version): Define using $(BASEVER_c).
473         (Makefile, config.status, build/gcov-iov.o): No longer depends on
474         version.c.
475         (version.o): Depend on version files; add custom generation command.
476         (prefix.o): Define BASEVER on command line.
477         (s-iov): Depend on version files; adjust command.
478         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
479         Add gcc-vers.texi.
480         (gcc-vers.texi): New rule.
481         (doc/%.info, doc/%.dvi): Add -I . to command line.
482         (doc/gccinstall.dvi): Likewise.
483         (PACKAGE): Delete.  All uses replaced with "gcc".
484         * aclocal.m4: Do not include gcc-version.m4.
485         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
486         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
487         Set is_release based on contents of DEV-PHASE.
488         Set gcc_version based on contents of BASE-VER.
489         Define WIN32_REGISTRY_KEY only if the user overrode the default.
490         * config.in, configure: Regenerate.
491         * gccbug.in: Determine version of GCC in use at runtime.
492         * gcov-iov.c: Get version number and development phase from
493         command line, not by including version.c.
494         * intl.c: Replace all uses of PACKAGE with "gcc".
495         * libada-mk.in: Delete unused "gcc_version" variable.
496         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
497         * version.c: (VERSUFFIX): New hook for redistributors; adjust
498         commentary to match.
499         (version_string): Put together from pieces.
500         * config/alpha/x-vms: Do not use $(gcc_version).
501         * config/i386/t-nwld: Likewise.
502         * doc/include/gcc-common.texi: Include gcc-vers.texi for
503         version-GCC and DEVELOPMENT.
504
505 2005-03-15  Roger Sayle  <roger@eyesopen.com>
506
507         PR tree-optimization/17454
508         * tree.c (tree_size): Add case for TREE_BINFO.
509         * fold-const.c (fold_checksum_tree): Only clear the overloaded
510         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
511
512 2005-03-15  Roger Sayle  <roger@eyesopen.com>
513
514         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
515         op1 whilst expanding the signed widenening multiply variant.
516
517 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
518
519         * toplev.c (display_target_options): Avoid unused variable warning if
520         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
521         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
522         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
523         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
524         (mips_isa_info): New variable.
525         (mips_parse_cpu): Remove the first argument and leave the caller
526         to report errors.
527         (TARGET_HANDLE_OPTION): Override default.
528         (mips_handle_option): New function.  Move option validation code from...
529         (override_options): ...here.  Update calls to mips_parse_cpu.
530         * config/mips/mips.h (mips_arch_string, mips_tune_string)
531         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
532         (SUBTARGET_TARGET_OPTIONS): Delete.
533         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
534         (mno-flush-func, mtune=): New options.
535
536 2005-03-15  Roger Sayle  <roger@eyesopen.com>
537             Richard Henderson  <rth@redhat.com>
538
539         * real.c (c4x_single_format, c4x_extended_format): Provide values
540         for signbit_ro for c4x's single and extended floating point formats.
541         * optabs.c (expand_copysign): Use the floating point format's
542         signbit_ro for expanding via expand_copysign_absneg, and it's
543         signbit_rw field for expanding via expand_copysign_bit.
544
545 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
546
547         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
548         known_alignment_for_access_p.
549         (known_alignment_for_access_p): New.
550         (do_peeling_for_alignment): Field made int instead of bool and renamed
551         to peeling_for_alignment.
552         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
553         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
554         functionality used to be in vect_analyze_operations.
555         (vect_analyze_operations): Code to determine vectorization factor was
556         moved to vect_determine_vectorization_factor.
557         (vect_enhance_data_refs_alignment): Update to correct alignment when it
558         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
559         factor.
560         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
561         be part of vect_analyze_operations).
562         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
563         creating the guard condition, as the number of iterations may be
564         constant.
565         (slpeel_tree_peel_loop_to_edge): Use new name of
566         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
567         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
568         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
569         (vect_do_peeling_for_alignment): Use fold.
570         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
571
572         (vect_update_inits_of_dr): Renamed to
573         vect_update_init_of_dr.
574         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
575         (vectorizable_store): Fix assertion to use == instead of =.
576
577 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
578
579         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
580         call_used_regs for wCG registers.
581
582 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
583
584         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
585         for non-offsettable memory references to cope with outstanding reload
586         replacements, take 2.
587
588 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
589
590         PR target/18668
591         * config/i386/i386.h (x86_fisttp): New.
592         (TARGET_FISTTP): New macro.
593         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
594         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
595         instruction when fisttp flag is set.
596         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
597
598         * config/i386/i386.md (type attribute): Add fisttp.
599         (unit attribute): Set to i387 for fisttp type.
600         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
601         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
602         TARGET_FISTTP.
603         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
604         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
605         macros.
606         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
607         patterns for TARGET_FISTTP.  Enable patterns for
608         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
609         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
610         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
611         implement fisttp x87 insn.
612         (fix_trunc*_i387_fisttp splitters): New patterns.
613         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
614         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
615         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
616         clobber.
617         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
618         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
619         Implement using mode macros. Disable patterns for TARGET_FISTTP.
620         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
621         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
622         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
623         Disable patterns for TARGET_FISTTP.
624         (fix_trunc*_i387 splitters): Implement usign mode macros.
625         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
626         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
627         (fix_trunx*_sse peephole2s): Implement using mode macros.
628
629 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
630
631         PR rtl-optimization/20291
632         * combine.c (try_combine): If splitting fails, re-try with
633         original combined pattern, i.e. before clobber stripping.
634
635 2005-03-14  Eric Christopher  <echristo@redhat.com>
636
637         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
638         STACK_GROWS_DOWNWARD.
639
640 2005-03-14  Roger Sayle  <roger@eyesopen.com>
641
642         * real.h (struct real_format): Split the signbit field into two
643         two fields, signbit_ro and signbit_rw.
644         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
645         mips_double_format, ieee_extended_motorola_format,
646         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
647         ieee_extended_intel_128_format, ibm_extended_format,
648         mips_extended_format, ieee_quad_format, mips_quad_format,
649         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
650         i370_double_format, c4x_single_format, c4x_extended_format,
651         real_internal_format): Update initializers for new field.
652         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
653         real_format structure.
654         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
655         field of the real_format structure.
656
657 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
658
659         Fix PR tree-optimization/20458
660
661         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
662         DECL_EXTERNAL on STRUCT_FIELD tags.
663         (clear_call_clobbered): Ditto.
664         * tree-ssa-operands.c (note_addressable): Make sure the original
665         variable doesn't slip into the addressable list if we have
666         subvars.
667         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
668         tags too.
669
670 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
671
672         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
673         (-fwide-exec-charset): Likewise.
674         (-finput-charset): Likewise.
675         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
676         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
677         * c.opt (Wnormalized): New.
678
679 2005-03-14  Devang Patel  <dpatel@apple.com>
680
681         * doc/invoke.texi: Add reference to Visibility document.
682
683 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
684
685         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
686         MASK_SPLIT_ADDRESSES.
687         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
688         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
689         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
690         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
691         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
692         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
693         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
694         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
695         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
696         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
697         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
698         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
699         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
700         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
701         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
702         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
703         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
704         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
705         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
706         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
707         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
708         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
709         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
710         (TARGET_EXPLICIT_RELOCS): Delete.
711         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
712         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
713         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
714         (override_options): Set MASK_LONG64 if -mint64 is given and no
715         -mlongXX option is.  Complain about -mint64 -mlong32.
716         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
717         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
718         * config/mips/mips.opt: New file.
719
720 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
721
722         * config.gcc (extra_options): New variable for listing option files.
723         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
724         * configure.ac (extra_opt_files): New AC_SUBST variable.
725         (tm_file_list, tm_include_list): Include options.h first.
726         * configure: Regenerate.
727         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
728         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
729         (s-options-h): New rule.
730         (options.h): Depend on it.
731         (TEXI_GCCINT_FILES): Add options.texi.
732         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
733         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
734         * target.h (gcc_target): Add default_target_flags and handle_option.
735         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
736         (TARGET_HANDLE_OPTION): New macros.
737         (TARGET_INITIALIZER): Include them.
738         * opt-functions.awk (opt_args, nth_arg): New functions.
739         (switch_flags): Handle the "Target" flag.
740         (var_args): Delete.
741         (var_name): Use opt_args and nth_arg.
742         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
743         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
744         macros for the "Mask" and "InverseMask" options.
745         * opts.h (cl_var_cond): New enum.
746         (cl_option): Replace the "has_set_value" and "set_value" fields with
747         "var_cond" and "var_value".
748         (CL_TARGET): New macro.
749         (option_enabled, print_filtered_help): Declare.
750         (decode_options): Move definition.
751         * opts.c (handle_option): Search for the original option before
752         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
753         var_cond and var_value fields.  Use targetm.handle_option to handle
754         target options.
755         (decode_options): Set target_flags to targetm.default_target_flags.
756         (print_filtered_help): Make global.  Handle CL_TARGET.
757         (option_enabled): New function.
758         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
759         (display_target_options, set_target_switch, print_switch_values)
760         (default_pch_valid_p): Guard uses of target_switches with
761         #ifdef TARGET_SWITCHES.  Also...
762         (display_target_options): Display the CL_TARGET entries in cl_options.
763         (set_target_option): Don't complain about the "" option when
764         TARGET_SWITCHES is undefined.
765         (print_switch_values): Use option_enabled.
766         (default_pch_valid_p): Check cl_options[] when looking for something
767         that has changed the value of target_flags.
768         * c.opt: Remove documentation from top of file.
769         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
770         * doc/sourecebuild.texi: Refer to the new options documentation
771         instead of c.opt.  Document machine-specific .opt files.
772         * doc/tm.texi (target_flags): Say that this variable is declared
773         by options.h.
774         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
775         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
776         an alternative.
777         * doc/options.texi: New file.
778
779 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
780
781         PR middle-end/18628
782         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
783         register.
784
785 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
786
787         PR c++/20280
788         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
789         temporary variable of pointer type if an lvalues is required.
790         (gimplify_modify_expr_rhs): Request an rvalue from it.
791         (gimplify_expr): Pass fallback on.
792
793 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
794
795         * cfgbuild.c: Update comments.
796
797 2005-03-14  Roger Sayle  <roger@eyesopen.com>
798
799         PR rtl-optimization/17236
800         * optabs.c (expand_doubleword_mult): New helper function split out
801         from expand_binop.  Permute the order in which instructions are
802         emitted to minimize the number of simultaneously live registers.
803         (expand_binop): Call expand_doubleword_mult to synthesize a double
804         word multiplication.
805
806 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
807
808         * basic-block.h: Update the prototypes of cached_make_edge and
809         rtl_make_eh_edge.
810         * cfg.c (cached_make_edge): Take edge_cache representing one
811         row of the adjacency matrix of edges.
812         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
813         (make_edges): Initialize edge_cache to represent one row of
814         the adjacency matrix of edges.
815
816 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
817
818         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
819         New functions.
820         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
821         Remove unused removed_phis variable.
822         (conditional_replacement): Use build1/build2.
823         (abs_replacement): Use last_and_only_stmt and build1/build2.
824
825 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
826
827         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
828         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
829         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
830         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
831         * c-common.c (handle_novops_attribute): New function.
832         (c_common_attribute_table): Add "no vops" entry.
833         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
834         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
835         * tree-ssa-operands.c (get_call_expr_operands): Do not
836         create virtual operands for calls with ECF_NOVOPS flag.
837         * tree.h (DECL_IS_NOVOPS): New macro.
838         (struct tree_decl): Add novops_flag.
839         (ECF_NOVOPS): New constant.
840
841 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
842
843         PR target/17688
844         * config/i386/i386.c (x86_use_himode_fiop): New.
845         (x86_use_simode_fiop): Rename from x86_use_fiop.
846         * config/i386/i386.h (x86_use_himode_fiop): Declare.
847         (TARGET_USE_HIMODE_FIOP): New.
848         (x86_use_simode_fiop): Rename from x86_use_fiop.
849         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
850
851         * config/i386/i386.md (X87MODEI12): New mode macro define.
852         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
853         to implement x87 FP compare with HImode input operands.
854         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
855         Use X87MODEI12 mode macro to handle HImode input operands.
856         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
857         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
858         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
859         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
860         macro to implement x87 operators with HImode input operands.
861         (fop splitters): Use X87MODEI12 mode macro to handle HImode
862         input operands.
863
864 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
865
866         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
867         integer_zerop.
868         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
869         constants invariant.
870
871 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
872
873         * basic-block.h (BB_VISITED): Removed.
874         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
875
876 2005-03-14  Falk Hueffner  <falk@debian.org>
877
878         PR bootstrap/20424
879         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
880
881 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
882
883         * ggc-zone.c: Fix comment typos.
884
885         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
886         stringpool.c, config/mips/mips-protos.h: Update copyright.
887
888 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
889
890         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
891         throughout with its typedef, "rtx".
892         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
893         (rs6000_tls_symbol_ref_1): Remove inline keyword.
894         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
895         regs in comment to match code.
896
897 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
898
899         * except.c (check_handled): Make it static.
900         * except.h: Remove the corresponding prototype.
901
902         * function.c (get_func_frame_size): Make it static.
903         * function.h: Remove the corresponding type.
904
905         * regclass.c (reg_class_superclasses, reg_class_subclasses):
906         Make them static.
907         * hard-reg-set.h: Remove the corresponding declarations.
908
909         * tree-cfg.c (verify_stmts): Check that
910         bb_for_stmt (stmt) == bb for every PHI node and statement.
911
912 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
913
914         * config.gcc: Remove excess indentation.
915         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
916
917 2005-03-13  Roger Sayle  <roger@eyesopen.com>
918
919         PR middle-end/19331
920         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
921         * fold-const.c (fold_sign_changed_comparison): Likewise.
922         (fold_binary): Optimize comparisons against widened operands if
923         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
924
925 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
926
927         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
928         (sparc_override_options): Initialize it.
929         (sparc_struct_value_rtx): Set it on the MEM to be returned.
930
931 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
932
933         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
934         (reg_or_none500mem_operand): New predicate.
935         (zero_reg_mem_operand): New predicate.
936         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
937         to reg_or_none500mem_operand.
938         (extendsfdf2_fpr): Add MEM alternative.
939         (extenddftf2_internal): Change operand2 predicate to
940         zero_reg_mem_operand.
941
942 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
943
944         * ggc-zone.c: Rewritten.
945
946         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
947         if there are none.
948         * configure.ac: Define GGC_ZONE for --with-gc=zone.
949         * config.in: Regenerated.
950         * configure: Regenerated.
951         * gengtype.c (write_types_process_field, write_func_for_structure):
952         Pass new argument to gt_pch_note_object.
953         * ggc-common.c (struct ptr_data): Add TYPE.
954         (gt_pch_note_object): Take TYPE argument and save it.
955         (call_count): Update call to ggc_pch_count_object.
956         (call_alloc): Update call to ggc_pch_alloc_object.
957         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
958         file.
959         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
960         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
961         (ggc_alloc_zone_stat): Delete.
962         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
963         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
964         (ggc_pch_alloc_object): Update prototypes.
965         (garbage_zone): Delete.
966         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
967         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
968         pointers.
969         (tree_id_zone): New variable.
970         (ggc_alloc_cleared_zone): Remove unused.
971         (ggc_alloc_zone): Define.
972         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
973         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
974         ggc_alloc_zone_stat.
975         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
976         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
977         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
978         (make_node_stat): Likewise.  Use tree_id_zone.
979
980 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
981             Joseph S. Myers  <joseph@codesourcery.com>
982
983         * configure.ac: Check for MIPS TLS.
984         * configure: Regenerated.
985         * config/mips/mips-protos.h (enum mips_symbol_type): Add
986         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
987         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
988         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
989         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
990         (mips_classify_symbol, mips_symbolic_constant_p)
991         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
992         (mips_tls_operand_p, mips_call_tls_get_addr)
993         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
994         (mips_tls_symbol_ref_1): New functions.
995         (mips_legitimize_address, mips_legitimize_const_move): Call
996         mips_legitimize_tls_address.
997         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
998         for MIPS16.
999         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
1000         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
1001         (mips_char_to_class): Document V1_REG.
1002         (HAVE_AS_TLS): Provide default.
1003         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
1004         constants.
1005         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
1006         !TARGET_ABICALLS.
1007         (tls_get_tp_<mode>): New instruction.
1008
1009 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1010
1011         * configure.ac: Update checks for target tools.
1012         * configure: Regenerated.
1013
1014 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
1015
1016         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
1017
1018 2005-03-13  Roger Sayle  <roger@eyesopen.com>
1019
1020         * expmed.c (expand_mult): Use synthetic multiplication sequences for
1021         more classes of DImode multiplication by constant.  Allow both
1022         multiplication by small negative constants (by performing a
1023         multiplication by a positive constant and negating the result) and
1024         multiplications by large powers of two, by using a left shift.
1025
1026 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1027
1028         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
1029         of basic blocks into work_stack.
1030
1031         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
1032         config/mips/vr.h: Update copyright.
1033
1034         * c-decl.c (c_init_decl_processing): Remove useless calls to
1035         build_function_type.
1036
1037         * builtins.c (fold_trunc_transparent_mathfn,
1038         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
1039         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
1040         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
1041         fold_builtin_strcpy, fold_builtin_strncpy,
1042         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
1043         TREE_TYPE (exp).
1044
1045         * builtins.c (expand_builtin_mathfn_3): Remove local variable
1046         before_call.
1047
1048         * lambda-code.c (lambda_compute_auxillary_space): Remove local
1049         variable determinant.
1050
1051         * tree-cfg.c (group_case_labels): Remove local variable type.
1052
1053         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
1054         variable ann.
1055
1056         * tree-ssa-phiopt.c (value_replacement): Remove local variable
1057         result.
1058
1059 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
1060
1061         PR target/18251
1062         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
1063         (*movmemqi_insn): Delete.
1064         (*movmemhi): Delete.
1065
1066 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
1067
1068         * builtins.c (fold_builtin_classify): Take decomposed
1069         arguments of CALL_EXPR.
1070         (fold_builtin_1): Update a call to fold_builtin_classify.
1071
1072 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
1073
1074         PR c/20402
1075         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
1076         through into call to parser_xref_tag after parse error.
1077         (c_parser_struct_declaration): Consistently return NULL_TREE on
1078         error.
1079
1080 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
1081
1082         * tree-flow-inline.h (ref_contains_array_ref): New function.
1083         (lookup_subvars_for_var): Ditto.
1084         (get_subvars_for_var): Ditto.
1085         (var_can_have_subvars): Ditto.
1086
1087         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
1088         (struct subvar): New type.
1089
1090         * tree-dfa.c (okay_component_ref_for_subvars): New function.
1091
1092         * tree-optimize.c (init_tree_optimization_passes): Call
1093         pass_create_structure_vars.
1094
1095         * tree-ssa-alias.c: Include vec.h.
1096         (init_alias_info): Don't auto-clear call clobbered on struct-field
1097         tags.
1098         (compute_flow_insensitive_aliasing): Handle subvars.
1099         (group_aliases): Handle STRUCT_FIELD aliases.
1100         (setup_pointers_and_addressables): Ditto.
1101         Don't mark variables non-addressable if they still have
1102         addressable subvars.
1103         Also mark subvars addressable when the real variable is marked
1104         addressable.
1105         (add_pointed_to_var): Try to prune the pointed-to set by only
1106         pointing to subvars when possible.
1107         Otherwise, make sure we set addresses_needed and pt_vars to
1108         properly include subvars.
1109         (bitpos_of_field): New function.
1110         (push_fields_onto_fieldstack): Ditto.
1111         (get_or_create_used_part_for): Ditto.
1112         (create_overlap_variables_for): Ditto.
1113         (find_used_portions): Ditto.
1114         (create_structure_vars): Ditto.
1115         (pass_create_structure_vars): New structure.
1116
1117         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
1118         (get_expr_operands): Handle subvars.  Also try to turn
1119         COMPONENT_REF accesses into must-defs now that we can accurately
1120         portray it.
1121         (note_addressable): Try to only mark as addressable those subvars
1122         we know a COMPONENT_REF touches.
1123         (overlap_subvar): New function.
1124
1125         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
1126         Handle subvar storing.
1127         (vect_address_analysis): Update caller of vect_object_analysis.
1128
1129         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
1130
1131         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
1132         (STMT_VINFO_SUBVARS): New macro.
1133
1134         * common.opts: add flag_tree_salias.
1135
1136         * opts.c (decode_options): flag_tree_salias defaults to on.
1137
1138         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
1139
1140         * doc/tree-ssa.texi: Document structural alias analysis.
1141
1142 2005-03-12  Steven Bosscher  <stevenb@suse.de>
1143
1144         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
1145         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
1146         * tree-ssa-operands.c (get_expr_operands): Likewise.
1147         (get_expr_operands): Likewise for ERROR_MARK.
1148
1149 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1150
1151         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
1152         var.
1153
1154         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
1155         removed_phis.
1156
1157         * tree-ssa-pre.c (compute_avail): Remove local variable val.
1158         (mark_operand_necessary): Remove local variable ver.
1159
1160         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
1161         variable prefix_len.
1162
1163         * value-prof.c (mod_subtract_transform): Remove local variable
1164         value.
1165
1166         * builtins.c (fold_builtin_exponent): Take decomposed
1167         arguments of CALL_EXPR.
1168         (fold_builtin_1): Update a call to fold_builtin_exponent.
1169
1170         * builtins.c (fold_builtin_logarithm): Take decomposed
1171         arguments of CALL_EXPR.
1172         (fold_builtin_1): Update a call to fold_builtin_logarithm.
1173
1174         * c-decl.c (c_init_decl_processing): Remove local variables
1175         ptr_ftype_void and ptr_ftype_ptr.
1176
1177         * gimplify.c (gimplify_expr): Remove local variables r0 and
1178         r1.
1179
1180         * reg-stack.c (move_for_stack_reg): Remove local variable
1181         push_insn.
1182         (compare_for_stack_reg): Remove local variable flags_user.
1183         (convert_regs_1): Remove local variable deleted.
1184
1185         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
1186         variable new_cond.
1187         (combine_blocks): Remove local variables exits and new_e.
1188
1189         * tree-inline.c (expand_call_inline): Remove local variable
1190         decl.
1191
1192         * tree-ssa-live.c (create_ssa_var_map,
1193         calculate_live_on_entry): Remove local variable snn.
1194
1195 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
1196
1197         * c-lex.c (c_lex_with_flags): Add parameter to call to
1198         cpp_spell_token.
1199
1200 2005-03-11  Per Bothner  <per@bothner.com>
1201
1202         * c-tree.h (struct c_declarator): New id_loc field.
1203         * c-pragma.h (c_lex_with_flags): Take position reference.
1204         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
1205         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
1206         (c_lex): Pass dummy location to c_lex_with_flags.
1207         * c-parser.c (c_lex_one_token): Set c_token's location using
1208         c_lex_with_flags, instead of input_location, which might be "ahead".
1209         (c_parser_direct_declarator): Set declarator's id_loc from
1210         c_token's id_loc.
1211         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
1212         declarator's id_loc, rather than probably-imprecise input_location.
1213         (build_id_declarator): Initialize c_declarator's id_loc field.
1214
1215 2005-03-11  Roger Sayle  <roger@eyesopen.com>
1216
1217         PR middle-end/20419
1218         * builtins.c (expand_builtin_signbit): Force the signbit's word
1219         into an integer register to avoid SUBREGs of floating point modes.
1220
1221 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
1222
1223         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
1224         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
1225         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
1226         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
1227
1228 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
1229
1230         PR rtl-optimization/20306
1231         * expr.c (emit_move_complex): Set try_int false if mode is
1232         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
1233         emit_block_move if try_int is true.
1234
1235 2005-03-11  Richard Henderson  <rth@redhat.com>
1236
1237         PR target/20415
1238         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
1239         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
1240         to match.
1241
1242 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
1243
1244         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
1245         (TARGET_FIX_VR4130): New macro.
1246         (TARGET_OPTIONS): Add -mfix-vr4130.
1247         (ISA_HAS_MACCHI): New macro.
1248         (ASM_SPEC): Add -mfix-vr4130.
1249         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
1250         (override_options): Handle mips_fix_vr4130_string.
1251         (mips_avoid_hazards): Clear all_noreorder_p
1252         if we're working around VR4130 errata and the macc alternatives
1253         are not available.
1254         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
1255         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
1256         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
1257         (MULTILIB_DEFAULTS): Remove leading "march=".
1258         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
1259         if no architecture option is given.
1260         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
1261         VR4130 multilibs.
1262         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
1263         * doc/invoke.texi: Document -mfix-vr4130.
1264
1265 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
1266
1267         * config/mips/mips.c (override_options): Only warn about -mint64
1268         deprecation if TARGET_INT64.
1269
1270 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1271
1272         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
1273         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
1274         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
1275         are non-specific regarding the nonnull parameter positions.
1276         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
1277         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
1278         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
1279         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
1280
1281         * builtins.def: Use the non-specific "nonnull" attibute lists.
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): Improve comments.
1287
1288 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
1289
1290         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
1291         single_pred_edge, single_succ, single_pred): New inline functions.
1292         * bb-reorder.c (rotate_loop, find_traces_1_round,
1293         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
1294         duplicate_computed_gotos): Use the single_succ/pred functions.
1295         * cfganal.c (forwarder_block_p): Ditto.
1296         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
1297         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
1298         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
1299         merge_seq_blocks): Ditto.
1300         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
1301         * cfglayout.c (fixup_reorder_chain): Ditto.
1302         * cfgloop.c (mark_single_exit_loops, update_latch_info,
1303         canonicalize_loop_headers, verify_loop_structure): Ditto.
1304         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
1305         mfb_update_loops, create_preheader, force_single_succ_latches,
1306         create_loop_notes): Ditto.
1307         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
1308         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
1309         commit_one_edge_insertion, purge_dead_edges,
1310         cfg_layout_can_merge_blocks_p): Ditto.
1311         * except.c (sjlj_emit_function_enter): Ditto.
1312         * flow.c (init_propagate_block_info): Ditto.
1313         * function.c (thread_prologue_and_epilogue_insns): Ditto.
1314         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
1315         insert_insn_end_bb): Ditto.
1316         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
1317         find_if_case_2): Ditto.
1318         * lambda-code.c (perfect_nestify): Ditto.
1319         * lcm.c (optimize_mode_switching): Ditto.
1320         * loop-doloop.c (doloop_modify): Ditto.
1321         * loop-init.c (loop_optimizer_init): Ditto.
1322         * loop-iv.c (simplify_using_initial_values): Ditto.
1323         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
1324         * loop-unswitch.c (unswitch_loop): Ditto.
1325         * modulo-sched.c (generate_prolog_epilog): Ditto.
1326         * predict.c (combine_predictions_for_insn, estimate_probability,
1327         tree_estimate_probability, last_basic_block_p,
1328         estimate_bb_frequencies): Ditto.
1329         * profile.c (branch_prob): Ditto.
1330         * regrename.c (copyprop_hardreg_forward): Ditto.
1331         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
1332         * tracer.c (layout_superblocks): Ditto.
1333         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
1334         cfg_remove_useless_stmts_bb, cleanup_control_flow,
1335         cleanup_control_expr_graph, disband_implicit_edges,
1336         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
1337         tree_verify_flow_info, tree_make_forwarder_block,
1338         tree_forwarder_block_p, remove_forwarder_block,
1339         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
1340         * tree-if-conv.c (tree_if_conversion): Ditto.
1341         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1342         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
1343         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
1344         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
1345         copy_loop_headers): Ditto.
1346         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
1347         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
1348         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
1349         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
1350         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
1351         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
1352         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
1353         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
1354         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
1355         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
1356         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
1357         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
1358         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
1359         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
1360         slpeel_add_loop_guard): Ditto.
1361
1362 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
1363
1364         PR tree-optimization/15784
1365         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
1366         and -1 - A to ~A.
1367
1368         * stmt.c (expand_case): Don't change index_type.  Convert minval
1369         to the proper type.
1370
1371         PR tree-optimization/20130
1372         * fold-const.c (fold): Fold x * -1 into -x.
1373
1374 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1375
1376         PR rtl-optimization/20331
1377         * rtlanal.c (modified_between_p): Check its address first for MEM.
1378         (modified_in_p): Likewise.
1379
1380 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
1381
1382         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
1383
1384 2005-03-10  Steven Bosscher  <stevenb@suse.de>
1385
1386         * expr.c (expand_expr_real_1): If possible, use a conditional
1387         move for expanding MIN_EXPR and MAX_EXPR.
1388         Use temp for moving around rtx-en.
1389
1390 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
1391
1392         PR rtl-opt/20412
1393         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
1394         correct mode.
1395
1396 2005-03-10  Roger Sayle  <roger@eyesopen.com>
1397
1398         * builtins.c (expand_builtin_signbit): Extend to handle floating
1399         point modes wider than the largest integer type, using the
1400         operand_subword_force function to obtain the signbit's word.
1401
1402 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
1403
1404         PR target/20322
1405         * combine.c (try_combine): If recog_for_combine added CLOBBERs
1406         to NEWI2PAT, fail to combine if they are used by NEWPAT.
1407
1408 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
1409
1410         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
1411
1412 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
1413
1414         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
1415         type void.
1416         (perform_edge_inserts): Unconditionally call
1417         free_dominator_info.
1418
1419         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
1420
1421 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
1422
1423         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
1424
1425 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
1426
1427         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
1428
1429         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
1430         gcc_unreachable.
1431         (rtl_register_value_prof_hooks,
1432         tree_value_profile_transformations,
1433         tree_register_value_prof_hooks): Likewise.
1434         * var-tracking.c (stack_adjust_offset_pre_post,
1435         variable_htab_free, variable_union, dataflow_set_different_2,
1436         count_uses, variable_was_changed, set_frame_base_location,
1437         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
1438         vt_add_function_parameters): Likewise.
1439         * varasm.c (named_section_real, named_section, make_decl_rtl,
1440         asm_emit_uninitialised, assemble_integer, decode_addr_const,
1441         const_hash_1, compare_constant, copy_constant, force_const_mem,
1442         output_constant_pool_2, output_constant_pool_1, output_constant,
1443         output_constructor, make_decl_one_only, decl_tls_model,
1444         default_no_named_section, default_elf_select_section_1,
1445         default_unique_section_1): Likewise.
1446         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
1447         * vmsdbgout.c (addr_const_to_string): Likewise.
1448
1449         PR c++/20375
1450         * function.c (struct assign_parm_data_one): Remove last_named
1451         field.
1452         (assign_parm_find_data_types): Don't determine last_named.
1453         Reorder named_parm determination.
1454         (assign_parms): Only setup varargs on the last non-varadic
1455         parameter.
1456
1457 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
1458
1459         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
1460         sda base address on medium model.
1461
1462 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
1463
1464         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
1465         * cfgloop.c (flow_loop_nodes_find): Export.
1466         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
1467         Declare.
1468         * cfgloopmanip.c (fix_loop_structure): New function.
1469         * predict.c (predict_loops): Clean up the loops information.
1470         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
1471         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
1472         loop structure.
1473         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
1474         (rewrite_into_loop_closed_ssa): Declaration changed.
1475         * tree-loop-linear.c (linear_transform_loops): Add argument to
1476         rewrite_into_loop_closed_ssa call.
1477         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1478         * tree-ssa-loop-im.c (move_computations): Ditto.
1479         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
1480         * tree-vectorizer.c (vectorize_loops): Ditto.
1481         * tree-optimize.c: Include cfgloop.h.
1482         (execute_todo): Choose whether to call cleanup_tree_cfg or
1483         cleanup_tree_cfg_loop.
1484         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
1485         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
1486         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
1487         cleanup_tree_cfg_loop call.
1488         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
1489         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
1490         work on part of cfg.
1491
1492 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
1493
1494         PR inline-asm/20314
1495         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
1496         with multiple alternatives.
1497
1498         * stmt.c (parse_output_constraint): Fix a typo.
1499
1500 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
1501
1502         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
1503         assembly directive instead of deprecated "no-generics".
1504
1505 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
1506
1507         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
1508         for non-offsettable memory references to cope with outstanding reload
1509         replacements.
1510         * config/s390/s390.md ("reload_outti"): Call find_replacement to
1511         avoid losing outstanding address reloads.
1512         ("reload_outdi", "reload_outdf"): Likewise.
1513
1514 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1515
1516         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
1517         code.  Add more cbrt transformations.
1518
1519 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1520
1521         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
1522
1523 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
1524
1525         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
1526         NULL_TREE when a given tree is not simplified.
1527         (fold): Return the original tree when any of the functions
1528         mentioned above NULL_TREE.
1529
1530         * fold-const.c (fold_unary, fold_binary): Take decomposed
1531         arguments, code, type, op0, and op1 in case of fold_binary.
1532         (fold): Update calls to fold_unary and fold_binary.
1533
1534 2005-03-09  Roger Sayle  <roger@eyesopen.com>
1535
1536         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
1537         a fndecl and an arglist instead of a CALL_EXPR, exp.
1538
1539 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
1540
1541         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
1542
1543         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
1544
1545         * expr.c (expand_assignment): Remove orig_to_rtx.
1546
1547         * fold-const.c (int_const_binop): Remove no_overflow.
1548
1549         * ifcvt.c (noce_emit_move_insn): Remove inmode.
1550
1551         * loop-iv.c (get_biv_step_1): Remove lhs.
1552
1553         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
1554
1555         * real.c (real_nan): Remove neg.
1556
1557         * function.c (thread_prologue_and_epilogue_insns): Remove i
1558         and newinsn.
1559
1560         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
1561         tb.
1562
1563         * tree-eh.c (tree_could_trap_p): Remove idx.
1564
1565         * tree-into-ssa.c (ann): Remove ann.
1566
1567         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
1568
1569         * tree-sra.c (decide_block_copy): Remove inst_count.
1570
1571         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
1572
1573         * tree-ssa-loop-im.c (lhs): Remove.
1574
1575         * cfgbuild.c (state, STATE, SET_STATE,
1576         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
1577         make_edges.
1578         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
1579         (find_basic_blocks): Set the state of each basic block to
1580         BLOCK_NEW.
1581
1582 2005-03-08  Jeff Law  <law@redhat.com>
1583
1584         * tree-cfg.c (cleanup_control_flow): If removal of a computed
1585         goto results in the removal of edges in the CFG, then we need
1586         to recompute dominators.
1587
1588 2005-03-09  Ben Elliston  <bje@au.ibm.com>
1589
1590         * c-common.c (c_do_switch_warnings): Comment fix.
1591
1592 2005-03-08  Julian Brown  <julian@codesourcery.com>
1593
1594         * Patch from 2005-03-08 reverted for causing regressions and
1595         ppc-darwin bootstrap failure.
1596
1597 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
1598
1599         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
1600         Define the real function for ppc-darwin.
1601         * c-typeck.c (convert_arguments): Check for target-specific
1602         invalid argument call to unprototyped function.
1603         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
1604         New Macro.
1605         * target.h (invalid_arg_for_unprototyped_fn): New field
1606         in struct calls.
1607         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
1608         default target hook.
1609         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
1610         Declare.
1611
1612 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1613
1614         * c-typeck.c (constructor_stack, constructor_range_stack,
1615         initializer_stack): Make them static.
1616
1617         * cfg.c (rbi_pool): Make it static.
1618
1619         * gimple-low.c (lower_stmt_body): Make it static.
1620         * tree-flow.h: Remove the corresponding prototype.  Don't
1621         declare lower_data.
1622
1623         * sched-deps.c (cache_size): Make it static.
1624
1625         * stor-layout.c (lang_adjust_rli): Make it static.
1626
1627 2005-03-08  Julian Brown  <julian@codesourcery.com>
1628
1629         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
1630         from being used for symbols with vague linkage when
1631         HAVE_GAS_COMDAT_GROUP is true.
1632
1633 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
1634
1635         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
1636         nlabel == JUMP_LABEL (jump).
1637
1638 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1639
1640         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
1641         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
1642         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
1643         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
1644
1645 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
1646
1647         PR c/14411
1648         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
1649         * c-common.c (handle_returns_twice): New function.
1650         (c_common_attribute_table): Declare eturns_twice' attribute.
1651         * doc/extend.texi: Document eturns_twice' attribute.
1652         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
1653         (struct tree_decl): Add returns_twice_flag.
1654
1655 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1656
1657         * tree-ssa-phiopt.c: Fix a comment typo.
1658
1659         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
1660         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
1661         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
1662         copyright.
1663
1664 2005-03-08  Richard Henderson  <rth@redhat.com>
1665
1666         * config/alpha/alpha.c (code_for_builtin): Replace special-case
1667         builtin codes with ctzdi2, clzdi2, popcountdi2.
1668         (struct alpha_builtin_def): Add is_const.
1669         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
1670         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
1671         (alpha_init_builtins): Init them.  Set nothrow and const attributes
1672         on builtins.
1673         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
1674         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
1675         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
1676         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
1677         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
1678         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
1679         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
1680         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
1681         (TARGET_FOLD_BUILTIN): New.
1682         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
1683         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
1684         (ffsdi2): Use ctz.
1685         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
1686
1687 2005-03-08  Ira Rosen  <irar@il.ibm.com>
1688
1689         PR tree-optimization/20122
1690         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
1691         condition of access function instead of base.
1692
1693 2005-03-07  Jeff Law  <law@redhat.com>
1694             Steven Bosscher  <stevenb@suse.de>
1695
1696         * tree-cfg.c (find_taken_edge_computed_goto): New function.
1697         (find_taken_edge): Call find_taken_edge_computed_goto as
1698         appropriate.  Allow any gimple invariant rather than just
1699         INTEGER_CST for VAL.
1700         (cleanup_control_flow): Cleanup a computed goto which has turned
1701         into a simple goto.
1702         (tree_merge_blocks): If block B has any forced labels, move
1703         them to the start of block A.
1704         * tree-ssa-dom.c (thread_across_edge): Allow threading across
1705         computed gotos as well.
1706         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
1707         removal of unnecessary computed gotos too.
1708         (lookup_redirection_data): Fix type of INSERT argument.  Callers
1709         updated.
1710
1711 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
1712
1713         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
1714         Remove trailing spaces.
1715
1716         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
1717         unshare_all_trees): Make them static.
1718         * tree-gimple.h: Remove the corresponding prototypes.
1719
1720         * diagnostic.h: Remove unused prototype
1721         debug_output_buffer.
1722         * modulo-sched.c: Remove unused prototype
1723         set_row_column_for_ps.
1724
1725         * tree-ssa-phiopt.c (tree_ssa_phiopt,
1726         replace_phi_edge_with_variable): Remove unused variable i.
1727
1728 2005-03-07  Per Bothner  <per@bothner.com>
1729
1730         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
1731
1732 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
1733
1734         PR tree-opt/17671
1735         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
1736         bbs on the COND_EXPR instead of the PHI_NODEs.
1737         (candidate_bb_for_phi_optimization): Remove.
1738         (replace_phi_with_stmt): Rename to ...
1739         (replace_phi_edge_with_variable): this and change so that we
1740         replace the phi argument instead of removing the PHI.
1741         (conditional_replacement): Change so we deal with PHI with more
1742         than two arguments.
1743         (value_replacement): Likewise.
1744         (abs_replacement): Likewise.
1745
1746 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
1747
1748         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
1749         output_e500_flip_gt_bit.
1750
1751         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
1752         as bit 31.
1753         (rs6000_generate_compare): Fix logic to look at the correct bits.
1754         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
1755         Look at GT bit.
1756         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
1757         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
1758         gen_move_from_CR_gt_bit.
1759
1760         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
1761         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
1762         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
1763
1764         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
1765         (E500_CR_IOR_COMPARE): New constant.
1766
1767 2005-03-08  Earl Chew <earl_chew@agilent.com>
1768             David Billinghurst <David.Billinghurst@riotinto.com>
1769
1770         * config/i386/host-cygwin.c: New file to support precompiled
1771         headers on cygwin
1772         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
1773         * config.host: Use above files for cygwin host.
1774
1775 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
1776
1777         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
1778         ordering ops from earlier change.
1779
1780 2005-03-07  Per Bothner  <per@bothner.com>
1781
1782         Various fixes to allow us to again build if --enable-mapped-location:
1783         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
1784         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
1785         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
1786         local variable loc. Change logic appropriately.
1787         * tree-vect-transform.c (vect_finish_stmt_generation): Use
1788         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
1789         * c-parser.c (c_parser_for_statement): Initialize loc variable.
1790         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
1791         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
1792
1793 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
1794
1795         PR rtl-optimization/19683
1796         * reload1.c (choose_reload_regs): Pass the number of bits, not the
1797         number of bytes, to smallest_int_for_mode.  Fix arguments to
1798         REG_CANNOT_CHANGE_MODE_P.
1799
1800 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
1801
1802         * reorg.c (relax_delay_slots): Check that the jump is
1803         conditional before trying to invert it.
1804
1805 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1806
1807         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
1808         Make them static.
1809
1810         * calls (stack_arg_under_construction): Make it static.
1811
1812         * flow.c (regs_live_at_setjmp): Make it static.
1813         * flow.h: Remove the corresponding prototype.
1814
1815         * reload1.c (reload_startobj, reload_firstobj,
1816         something_needs_operands_changed, reload_inherited,
1817         reload_inheritance_insn, reload_override_in,
1818         reload_spill_index): Make them static.
1819
1820         * recog.c (verify_changes): Make it static.
1821         * recog.h: Remove the corresponding prototype.
1822
1823         * cfgbuild.c (find_sub_basic_blocks): Remove.
1824         * basic-block.h: Remove the corresponding prototype.
1825         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
1826         in comments.
1827         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
1828
1829         * tree-ssa-operands.c (check_build_stmt): Remove.
1830
1831         * stor-layout.c (set_alignment): Remove.
1832         * tree.h: Remove the corresponding prototype.
1833
1834         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
1835
1836         * tree-ssa-dce.c (control_dependence_map,
1837         visited_control_parents): Make them static.
1838
1839         * cfghooks.c (verify_flow_info): Remove local variable
1840         num_bb_notes.
1841
1842         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
1843         last_bb_seen.
1844
1845         * loop-unswitch.c (unswitch_loop): Remove local variable src.
1846
1847 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
1848
1849         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
1850
1851 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
1852
1853         * config/ia64/hpux.h (LINK_SPEC): Add -z.
1854         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
1855         PARALLEL for an empty structure.
1856
1857 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1858
1859         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
1860
1861         * fold-const.c (fold_binary): Unroll the very first "for"
1862         loop.
1863
1864 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
1865
1866         * config/rs6000/predicates.md (branch_comparison_operator): Remove
1867         redundant match_code test.
1868         (scc_comparison_operator): Swap match_operand and match_code
1869         tests.
1870         (branch_positive_comparison_operator): Same.
1871         (trap_comparison_operator): Use comparison_operator and swap with
1872         match_code test.
1873
1874 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
1875
1876         PR target/20288
1877         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
1878         (out_movhi_r_mr): Read low byte of volatile MEM first.
1879         (out_movhi_mr_r): Write high byte of volatile MEM first.
1880
1881 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1882
1883         * cselib.c (reg_values, reg_values_size): Make them static.
1884
1885         * cse.c (cse_reg_info_table): Make it static.
1886
1887         * fold-const.c (fold_unary): Use build1 instead of copy_node.
1888
1889 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
1890
1891         * cse.c (find_best_addr): Use canon_for_address.
1892
1893 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1894
1895         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
1896         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
1897         SUBREG and MEM, respectively.
1898
1899         * fold-const.c (fold_binary): Use code instead of t.
1900
1901         * fold-const.c (optimize_minmax_comparison): Take decomposed
1902         arguments code, type, op0, and op1 instead of t.
1903         (fold_binary): Update a call to optimize_minmax_comparison.
1904
1905         * fold-const.c (fold_range_test): Take decomposed arguments
1906         code, type, op0, and op1 instead of t.
1907         (fold_binary): Update a call to fold_range_test.
1908
1909         * fold-const.c (fold_binary_op_with_conditional_arg): Take
1910         decomposed arguments code, type, op0, and op1 instead of t.
1911         (fold_binary): Update a call to fold_range_test.
1912
1913 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
1914
1915         * fold-const.c (fold_binary): Avoid directly using the original
1916         expression t as much as possible.
1917
1918 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1919
1920         * c-semantics.c (build_stmt): Use TYPE_P instead of
1921         IS_NON_TYPE_CODE_CLASS.
1922         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
1923         (NON_TYPE_CHECK): Use TYPE_P instead of
1924         IS_NON_TYPE_CODE_CLASS.
1925
1926         * fold-const.c (fold): Remove handling of binary expressions.
1927
1928 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
1929
1930         * doc/c-tree.texi: Wrap comments in @r{}.
1931         * doc/cpp.texi: Likewise.
1932         * doc/cppinternals.texi: Likewise.
1933         * doc/extend.texi: Likewise.
1934         * doc/md.texi: Likewise.
1935         * doc/objc.texi: Likewise.
1936         * doc/sourcebuild.texi: Likewise.
1937         * doc/tm.texi: Likewise.
1938         * doc/tree-ssa.texi
1939
1940 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
1941
1942         * predict.c (apply_return_prediction): Standardize PHI chain
1943         walking.
1944         * tree-ssa.c (ssa_redirect_edge): Likewise.
1945
1946         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
1947         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
1948         Update copyright.
1949
1950         * tree-phinodes.c (remove_phi_node): Drop the last argument.
1951         * tree-flow.h: Adjust the prototype for remove_phi_node.
1952         * lambda-code.c (perfect_nestify): Adjust a call to
1953         remove_phi_node.
1954         * tree-cfg.c
1955         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
1956         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
1957         Likewise.
1958         * tree-ssa-dce.c (remove_dead_phis): Likewise.
1959         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
1960         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
1961         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
1962
1963         * combine.c (simplify_and_const_int): Use gen_int_mode instead
1964         of GEN_INT (trunc_int_for_mode (...)).
1965         * loop-iv.c (iv_number_of_iterations): Likewise.
1966         * postreload.c (reload_cse_move2add): Likewise.
1967         * simplify-rtx.c (simplify_const_unary_operation,
1968         simplify_const_binary_operation): Likewise.
1969         * stor-layout.c (get_mode_bounds): Likewise.
1970
1971         * fold-const.c (fold_binary): New.
1972         (fold): Call fold_binary on binary expressions.
1973
1974 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
1975
1976         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
1977         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
1978         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
1979         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
1980         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
1981
1982 2005-03-04  Devang Patel  <dpatel@apple.com>
1983
1984         PR tree-optimization/18815
1985         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
1986         loops with zero exit edges.
1987
1988 2005-03-04  Devang Patel  <dpatel@apple.com>
1989
1990         * doc/invoke.texi: Remove reference to webpage that does not exist.
1991
1992 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
1993             Joseph S. Myers  <joseph@codesourcery.com>
1994
1995         PR c++/19797
1996         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
1997         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
1998         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
1999         * pa.c (get_plabel): Change argument to symbol_ref.  Call
2000         maybe_get_identifier instead of get_identifier.
2001         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
2002         (struct deferred_plabel): Replace name field with symbol field.
2003         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
2004         ASM_OUTPUT_EXTERNAL_REAL is defined.
2005         (output_global_address): Use output_addr_const for output of all
2006         symbol_refs.
2007         (output_deferred_plabels): Use symbol_ref instead of name for address
2008         output.
2009         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
2010         ASM_OUTPUT_SYMBOL_REF): New macros.
2011         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
2012         comment.
2013         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
2014         label.
2015
2016 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
2017
2018         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
2019         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
2020
2021 2005-03-04  Jeff Law  <law@redhat.com>
2022
2023         * basic-block.h (rediscover_loops_after_threading): Declare.
2024         * tree-ssa-dom.c: Include cfgloop.h.
2025         (tree_ssa_dominator_optimize): Discover loops and some basic
2026         properties.  Remove forwarder blocks recreated by loop header
2027         canonicalization.  Also mark backedges in the CFG.
2028         * tree-ssa-threadupdate.c: Include cfgloop.h
2029         (rediscover_loops_after_threading): Define.
2030         (struct local_info): New field, JUMP_THREADED.
2031         (prune_undesirable_thread_requests): New function.
2032         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
2033         then record that fact for the callers of redirct_edges.
2034         (thread_block): If BB has incoming backedges, then call
2035         prune_undesirable_thraed_requests.    Note when we are
2036         going to have to rediscover loop information.  Return a
2037         boolean indicating if any jumps were threaded.
2038         (thread_through_all_blocks): Bubble up boolean indicating
2039         if any jumps were threaded.
2040         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
2041         (tree-ssa-threadupdate.o): Similarly.
2042
2043 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2044
2045         * fold-const.c (fold_ternary): Unroll the "for" loop to
2046         extract operands.
2047
2048 2005-03-04  Andrew Haley  <aph@redhat.com>
2049
2050         * unwind-dw2-fde-glibc.c (struct
2051         unw_eh_callback_data.check_cache): New field.
2052         (frame_hdr_cache): New.
2053         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
2054         Cache frame header info.
2055
2056 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
2057
2058         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
2059         (print_c_condition): Declare.
2060         * read-rtl.c (ptr_loc): New structure.
2061         (ptr_locs, ptr_loc_obstack, joined_conditions)
2062         (joined_conditions_obstack): New variables.
2063         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
2064         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
2065         (join_c_conditions, print_c_condition): New functions.
2066         (apply_macro_to_string): Associate the new string with the same
2067         source location as the old one.
2068         (add_condition_to_string): Use join_c_conditions.
2069         (read_string): Use set_rtx_ptr_loc to record a filename and line
2070         number for the string.
2071         (read_rtx): Initialize the new variables above.
2072         * genattrtab.c (write_test_expr, write_attr_value): Use
2073         print_c_condition.
2074         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
2075         comment above the GCC_VERSION check.
2076         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
2077         Inline the definition of MAYBE_EVAL.
2078         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
2079         * genoutput.c (process_template): Likewise.
2080         * genpreds.c (write_predicate_subfunction): Likewise.
2081         (write_predicate_expr): Use print_c_condition.
2082         * genrecog.c (write_cond): Likewise.
2083         * gensupport.c (process_rtx): Use join_c_conditions to join the
2084         conditions of a define_insn_and_split.  Record a source location
2085         for the string after the "&&".
2086         (alter_test_for_insn): Use join_c_conditions.
2087
2088 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
2089
2090         Revert for now:
2091         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2092         PR tree-optimization/15784
2093         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2094         and -1 - A to ~A.
2095
2096 2005-03-04  Ben Elliston  <bje@au.ibm.com>
2097
2098         * gcc.c (option_map): Add --coverage.
2099         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
2100         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
2101         * config/darwin.h: Pass -lgcov for `coverage'.
2102         * doc/invoke.texi (Debugging Options): Document --coverage.
2103
2104 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2105
2106         * gcse.c (bypass_block): Use find_edge wherever possible.
2107
2108 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
2109
2110         Fix PR debug/20253
2111
2112         * c-opts.c (c_common_parse_file): Call start_source_file
2113         and end_source_file at the approriate times.
2114
2115         * dwarf2out.c (dwarf2out_finish): Don't auto-end
2116         the main file, it will be done for us now.
2117
2118 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
2119
2120         * fold-const.c (fold_ternary): New.
2121         (fold): Call fold_ternary on ternary expressions.  Remove
2122         handling of ternary expressions.
2123
2124 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
2125
2126         PR tree-optimization/15784
2127         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
2128         and -1 - A to ~A.
2129
2130 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
2131
2132         * config/rs6000/predicates.md (branch_comparison_operator):
2133         Convert from C block to conditional format.
2134
2135 2005-03-03  Jan Hubicka  <jh@suse.cz>
2136
2137         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
2138         and non-constant public variables.
2139
2140 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
2141
2142         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
2143         with LABEL_EXPR.
2144
2145         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
2146         EDGE_I.
2147
2148         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
2149         calls to release_ssa_name and release_phi_node.
2150
2151         * fold-const.c (fold): Remove handling of unary expressions.
2152
2153         * fold-const.c (fold_unary): Avoid directly using the original
2154         expression t as much as possible.
2155
2156 2005-03-03  Roger Sayle  <roger@eyesopen.com>
2157             Andrew Pinski  <pinskia@physics.uc.edu>
2158
2159         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
2160         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
2161
2162 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
2163
2164         Describe special registers SRP and MOF as allocatable registers.
2165         * config/cris/cris.c (cris_md_asm_clobbers): New function.
2166         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
2167         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
2168         TARGET_HAS_MUL_INSNS.
2169         (cris_print_operand) <case 'd'>: New case.
2170         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
2171         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
2172         define.
2173         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
2174         (REG_ALLOC_ORDER): Update for MOF.
2175         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
2176         SPECIAL_REGS.
2177         (GENERAL_REGS): No longer a define of ALL_REGS.
2178         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
2179         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
2180         Adjust accordingly.
2181         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
2182         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
2183         (SECONDARY_RELOAD_CLASS): Define.
2184         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
2185         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
2186         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
2187         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
2188         (REGISTER_MOVE_COST): Define.
2189         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
2190         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
2191         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
2192         (CRIS_MOF_REGNUM): New define_constants.
2193         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
2194         special registers.
2195         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
2196         New patterns.
2197         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
2198         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
2199         Adjust for MOF being properly described as a register.
2200         (indir_to_reg_split): Name this split.  Conditionalize on the
2201         destination register being a general register.
2202         (movei): Conditionalize on on operands 0 and 1 having the same
2203         register class.
2204
2205 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
2206
2207         PR target/20277
2208         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
2209         -mcpu to override any other explicitly given flags.
2210
2211 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
2212
2213         * recog.c (verify_changes, confirm_change_group): New functions,
2214         broken out of apply_change_group.
2215         (apply_change_group): Use them.
2216         * recog.h (verify_change, confirm_change_group): Declare.
2217         * rtl.h (redirect_jump_2): Declare.
2218         * jump.c (redirect_exp, invert_exp): Delete.
2219         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
2220         (redirect_jump_2): New function, broken out of redirect_jump.
2221         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
2222         (invert_jump): Use invert_jump_1 and redirect_jump_2.
2223         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
2224
2225 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
2226
2227         * varasm.c (named_section): Use xstrdup rather than doing it by
2228         hand.
2229
2230         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
2231
2232 2005-03-02  Devang Patel  <dpatel@apple.com>
2233
2234         Undo PR tree-optimization/18815 fix.
2235
2236 2005-03-02  Devang Patel  <dpatel@apple.com>
2237
2238         PR tree-optimization/18815
2239         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
2240         loops with zero exit edges.
2241
2242 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
2243
2244         * cfg.c (connect_src, connect_dest, disconnect_src,
2245         disconnct_dest): New.
2246         (unchecked_make_edge, remove_edge, redirect_edge_succ,
2247         redirect_edge_pred): Use the new functions.
2248
2249         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
2250         free_dominance_info only when needed.
2251
2252 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
2253
2254         PR target/20276
2255         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
2256         (reg_or_sub_cint64_operand): Same.
2257
2258 2005-03-02  Jeff Law  <law@redhat.com>
2259
2260         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
2261         CFG_ALTERED in the main DOM iteration loop.
2262
2263 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
2264
2265         PR c++/19916
2266         * varasm.c (initializer_constant_valid_p): Allow conversions
2267         between OFFSET_TYPEs.  Tidy.
2268
2269 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
2270
2271         * config/cris/cris.md ("return"): Remove epilogue delay list
2272         sanity check.
2273
2274 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
2275
2276         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
2277         for Thumb.
2278         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
2279
2280 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
2281
2282         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
2283         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
2284         config/m68k/m68k.c, config/mips/mips.h,
2285         config/rs6000/rs6000-protos.h, doc/contrib.texi,
2286         doc/include/gcc-common.texi: Update copyright.
2287
2288         PR middle-end/18029 and PR middle-end/18030
2289         * expr.c (optimize_bitfield_assignment_op): Add a special case
2290         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
2291
2292         * fold-const.c (fold_unary): New.
2293         (fold): Call fold_unary on unary expressions.
2294
2295 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
2296
2297         * cgraph.h (struct cgraph_edge): Add prev_caller and
2298         prev_callee fields.
2299         (cgraph_node_remove_callees): Export.
2300         * cgraph.c (cgraph_create_edge): Initialize prev_caller
2301         and prev_callee.
2302         (cgraph_edge_remove_callee): New function.
2303         (cgraph_edge_remove_caller): Likewise.
2304         (cgraph_remove_edge): Use.
2305         (cgraph_redirect_edge_callee): Likewise.
2306         (cgraph_node_remove_callees): New function.
2307         (cgraph_node_remove_callers): Likewise.
2308         (cgraph_remove_node): Use.
2309         * tree-optimize.c (tree_rest_of_compilation): Use
2310         cgraph_node_remove_callees instead of manual loop.
2311         * cgraphunit.c (cgraph_finalize_function): Likewise.
2312         (cgraph_expand_function): Likewise.
2313         (cgraph_remove_unreachable_nodes): Likewise.
2314
2315 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
2316
2317         PR c/8927
2318         * c-tree.h (undeclared_variable, build_external_ref): Add extra
2319         argument.
2320         * c-decl.c (undeclared_variable): Take location as argument.
2321         * c-typeck.c (build_external_ref): Likewise.
2322         * c-parser.c (c_parser_postfix_expression): Pass location of
2323         identifier to build_external_ref.
2324
2325 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
2326
2327         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
2328         CCEQ mode for branch_positive_comparison_operator test.
2329         * config/rs6000/predicates (branch_comparison_operator): Revert to
2330         define_predicate.
2331         (scc_comparison_operator): Same.
2332         (branch_positive_comparison_operator): Same.
2333
2334 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
2335
2336         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
2337         (cris_delay_slots_for_epilogue): Remove.
2338         (save_last): Move into cris_target_asm_function_epilogue.
2339         (cris_target_asm_function_epilogue): Remove tests for file being
2340         NULL.
2341         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
2342         (cris_delay_slots_for_epilogue): Remove prototypes.
2343         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
2344         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
2345
2346 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
2347
2348         * config/rs6000/predicates.md (branch_comparison_operator): Change
2349         to define_special_predicate.
2350         (scc_comparison_operator): Same.
2351         (branch_positive_comparison_operator): Same.
2352
2353 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
2354
2355         * Makefile.in (tree-ssa-sink.o): New.
2356         (OBJS-common): Add tree-ssa-sink.o.
2357         * common.opt: Add -ftree-sink
2358         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
2359         * timevar.def (TV_TREE_SINK): new timevar.
2360         * tree-flow.h (is_hidden_global_store): Prototype.
2361         * tree-optimize.c (init_tree_optimization_passes): Add
2362         pass_sink_code.
2363         * tree-pass.h (pass_sink_code): New.
2364         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
2365         for non-obvious global store store to is_hidden_global_store, and
2366         call that new function.
2367         * tree-ssa-sink.c: New file.
2368         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
2369         * doc/passes.texi: Document forward store motion.
2370         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
2371         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
2372         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
2373         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
2374
2375 2005-03-01  Per Bothner  <per@bothner.com>
2376
2377         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
2378         and we have a non-zero column-number, add it to the message.
2379         Also factor out the diagnostic_kind_text.
2380
2381 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
2382
2383         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
2384         flow_loop_pre_header_scan, flow_loop_pre_header_find,
2385         flow_loop_scan): Removed.
2386         (flow_loop_dump): Do not dump removed fields.
2387         (flow_loop_free): Do not free removed fields.
2388         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
2389         (loop_exit_edge_p): New function.
2390         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
2391         num_pre_header_edges, entry_edges, num_entries, exit_edges,
2392         num_exits, exits_doms.
2393         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
2394         LOOP_EDGES, LOOP_ALL): Removed.
2395         (flow_loop_scan): Declaration removed.
2396         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
2397         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
2398         flow_loops_find.
2399         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
2400         (if_convert): Call flow_loops_find and flow_loops_free
2401         when calling mark_loop_exit_edges.
2402         * cfgloopanal.c (mark_loop_exit_edges): Moved from
2403         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
2404         free_dominance_info calls.
2405         * loop-init.c (flow_loops_find): Ditto.
2406         * passes.c (rest_of_handle_branch_prob): Ditto.
2407         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
2408         * loop-unroll.c (analyze_insns_in_loop): Do not use
2409         EDGE_LOOP_EXIT.
2410         * predict.c (predict_loops): Do not call flow_loop_scan.
2411         Use get_loop_exit_edges.
2412         (tree_estimate_probability): Do not pass flags to flow_loops_find.
2413         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
2414         Do not use EDGE_LOOP_EXIT.
2415         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
2416         to bb_with_exit_edge_p.
2417         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
2418         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
2419         to bb_with_exit_edge_p.
2420         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
2421         EDGE_LOOP_EXIT.
2422         * tree-loop-linear.c (linear_transform_loops): Do not call
2423         flow_loop_scan.  Use loop->single_exit.
2424         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
2425         (vect_analyze_loop_form): Do not call flow_loop_scan.
2426         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
2427         loop->single_exit.
2428         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
2429         loop->single_exit.
2430         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2431         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
2432         slpeel_tree_duplicate_loop_to_edge_cfg,
2433         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2434         Use loop_preheader_edge and loop->single_exit.  Do not call
2435         flow_loop_scan.
2436
2437 2005-03-01  Nick Clifton  <nickc@redhat.com>
2438
2439         * config/arm/arm.c (thumb_find_work_register): Check all of the
2440         argument registers to see if they are free, and a couple of
2441         special cases where the last argument register but can be proved
2442         to be available during the function's prologue.
2443         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
2444         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
2445         thumb_unexpanded_epilogue): Use unsigned long as the type for the
2446         register bit-mask.
2447         (thumb_compute_save_reg_mask): Likewise.  Also use
2448         thumb_find_work_register() to ensure that there is agreement about
2449         which work register is going to be used in the prologue.
2450         (thumb_output_function_prologue): Use unsigned long as the type
2451         for the register bit-mask.  Also delay pushing the link register if
2452         other high registers are going to be pushed.
2453         (thumb_compute_save_reg_mask, emit_multi_reg_push,
2454         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
2455         redundant prototypes.
2456
2457 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
2458
2459         PR target/19819
2460         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
2461         and after reload in REG+REG indexed addresses without REG_POINTER
2462         set in the base and not set in the index.
2463
2464 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
2465
2466         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
2467         Don't undefine here.
2468         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
2469         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
2470         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
2471         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
2472         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
2473         Delete.
2474         * config.gcc (sh*-*-linux*): Use config/linux.h.
2475
2476 2005-02-28  Dale Johannesen  <dalej@apple.com>
2477             Stan Shebs  <shebs@apple.com>
2478
2479         Rewrite of 64-bit Darwin structure-by-value pass/return.
2480         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
2481         intoffset, use_stack, named.
2482         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
2483         (rs6000_darwin64_record_arg_advance_flush):  New.
2484         (rs6000_darwin64_record_arg_advance_recurse): New.
2485         (rs6000_darwin64_record_arg_flush):  New.
2486         (rs6000_darwin64_record_arg_recurse):  New.
2487         (rs6000_darwin64_record_arg):  New.
2488         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
2489         (function_arg_boundary):  Handle 128-bit aligned structs.
2490         (function_arg_advance):  Rewrite darwin64 struct handling.
2491         (function_arg):  Call rs6000_darwin64_record_arg.
2492         (function_arg_partial_nregs):  Handle darwin64 structs.
2493         (rs6000_darwin64_function_value):  Remove.
2494         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
2495
2496 2005-02-28  Roger Sayle  <roger@eyesopen.com>
2497
2498         PR tree-optimization/20216
2499         * tree-chrec.c (tree_fold_factorial): Delete.
2500         (tree_fold_binomial): Change argument list to take a return type
2501         and change the type of K to unsigned int.  Rewrite to avoid explicit
2502         evaluation of factorials, and (recursively) calling fold to perform
2503         compile-time arithmetic.  Return NULL on (internal) overflow.
2504         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
2505         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
2506         if any intermediate calculation overflows.
2507         (chrec_apply): Update call to chrec_evaluate.
2508
2509 2005-02-28  James E Wilson  <wilson@specifixinc.com>
2510
2511         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
2512
2513 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
2514
2515         PR c/20245
2516         * c-parser.c (c_parser_compound_statement): Return error_mark_node
2517         instead of NULL_TREE on error.
2518
2519 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
2520
2521         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
2522         (EASY_VECTOR_15_ADD_SELF): Remove.
2523         (num_insns_constant_wide): Not static.
2524         (validate_condition_mode): Not static.
2525         (toc_relative_expr_p): Not static.
2526         (legitimate_indirect_address_p): Not static.
2527         (macho_lo_sum_memory_operand): Not static.
2528         (invalid_e500_subreg): Not static.
2529         (easy_vector_same): Not static.
2530         (easy_vector_splat_const): Not static.
2531         (RS6000_SYMBOL_REF_TLS_P): Remove.
2532         (any_operand): Delete.
2533         (any_parallel_operand): Delete.
2534         (count_register_operand): Delete.
2535         (altivec_register_operand): Delete.
2536         (xer_operand): Delete.
2537         (s8bit_cint_operand): Delete.
2538         (short_cint_operand): Delete.
2539         (u_short_cint_operand): Delete.
2540         (non_short_cint_operand): Delete.
2541         (exact_log2_cint_operand): Delete.
2542         (gpc_reg_operand): Delete.
2543         (cc_reg_operand): Delete.
2544         (cc_reg_not_cr0_operand): Delete.
2545         (reg_or_short_operand): Delete.
2546         (reg_or_neg_short_operand): Delete.
2547         (reg_or_aligned_short_operand): Delete.
2548         (reg_or_u_short_operand): Delete.
2549         (reg_or_cint_operand): Delete.
2550         (reg_or_arith_cint_operand): Delete.
2551         (reg_or_add_cint64_operand): Delete.
2552         (reg_or_sub_cint64_operand): Delete.
2553         (reg_or_logical_cint_operand): Delete.
2554         (got_operand): Delete.
2555         (got_no_const_operand): Delete.
2556         (easy_fp_constant): Delete.
2557         (easy_vector_constant): Delete.
2558         (easy_vector_constant_add_self): Delete.
2559         (zero_constant): Delete.
2560         (zero_fp_constant): Delete.
2561         (volatile_mem_operand): Delete.
2562         (offsettable_mem_operand): Delete.
2563         (mem_or_easy_const_operand): Delete.
2564         (add_operand): Delete.
2565         (non_add_cint_operand): Delete.
2566         (logical_operand): Delete.
2567         (non_logical_cint_operand): Delete.
2568         (mask_operand): Delete.
2569         (mask_operand_wrap): Delete.
2570         (mask64_operand): Delete.
2571         (mask64_2_operand): Delete.
2572         (and64_operand): Delete.
2573         (and64_2_operand): Delete.
2574         (and_operand): Delete.
2575         (reg_or_mem_operand): Delete.
2576         (lwa_operand): Delete.
2577         (symbol_ref_operand): Delete.
2578         (call_operand): Delete.
2579         (current_file_function_operand): Delete.
2580         (input_operand): Delete.
2581         (rs6000_nonimmediate_operand): Delete.
2582         (rs6000_tls_symbol_ref): Delete.
2583         (save_world_operation): Delete.
2584         (restore_world_operation): Delete.
2585         (load_multiple_operation): Delete.
2586         (store_multiple_operation): Delete.
2587         (vrsave_operation): Delete.
2588         (mfcr_operation): Delete.
2589         (mtcrf_operation): Delete.
2590         (lmw_operation): Delete.
2591         (stmw_operation): Delete.
2592         (branch_comparison_operator): Delete.
2593         (branch_positive_comparison_operator): Delete.
2594         (scc_comparison_operator): Delete.
2595         (trap_comparison_operator): Delete.
2596         (boolean_operator): Delete.
2597         (boolean_or_operator): Delete.
2598         (min_max_operator): Delete.
2599         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
2600         (EASY_VECTOR_15): Moved to here.
2601         (EASY_VECTOR_15_ADD_SELF): Move to here.
2602         (PREDICATE_CODES): Delete.
2603         * config/rs6000/rs6000-protos.h: Delete predicate functions.
2604         Declare functions no longer static.
2605         * config/rs6000/predicates.md: New.
2606         * config/rs6000/rs6000.md: Include predicates.md
2607
2608 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
2609
2610         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
2611         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
2612         REG_ALWAYS_RETURN.
2613         * cfgrtl.c (need_fake_edge_p): Likewise.
2614         * combine.c (distribute_notes): Likewise.
2615         * emit-rtl.c (try_split): Likewise.
2616         * recog.c (peephole2_opimize): Likewise.
2617         * reg-notes.def (ALWAYS_RETURN): Remove.
2618         * rtl.h (LCT_ALWAYS_RETURN): Remove.
2619         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
2620         * tree.h (ECF_ALWAYS_RETURN): Remove.
2621
2622 2005-02-28  Roger Sayle  <roger@eyesopen.com>
2623
2624         PR middle-end/19874
2625         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
2626         between different machine modes is never a "useless" conversion.
2627
2628 2005-02-28  Geert Bosch  <bosch@gnat.com>
2629
2630         PR ada/15977
2631         * doc/contrib.texi: List contributors for Ada front end
2632
2633 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
2634
2635         * simplify-rtx.c (simplify_unary_operation_1,
2636         simplify_const_unary_operation): New, extracted from...
2637         (simplify_unary_operation): ... this one.
2638         (simplify_binary_operation_1,
2639         simplify_const_binary_operation): New, extracted from...
2640         (simplify_binary_operation): ... this one.
2641         * rtl.h (simplify_const_unary_operation,
2642         simplify_const_binary_operation): Add prototypes.
2643
2644 2005-02-28  Julian Brown  <julian@codesourcery.com>
2645
2646         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
2647         building libjava and caused PR regression/20228.
2648
2649 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
2650
2651         PR bootstrap/17383
2652         * Makefile.in (host_subdir): New.
2653         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
2654         * configure: Regenerate.
2655
2656 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
2657
2658         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
2659         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
2660         installation directory first.
2661
2662 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
2663
2664         PR target/19065.
2665         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
2666         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
2667         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
2668         * config/cris/cris.md: Tweak comments referring to Q.
2669         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
2670         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
2671         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
2672         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
2673         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
2674         Insert spaces in constraints to align alternatives vertically for
2675         readability.
2676         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
2677         operand 1: "M".
2678
2679 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2680
2681         PR rtl-optimization/17728
2682         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
2683         operand 0 from general_operand to move_dest_operand.
2684
2685 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2686
2687         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
2688         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
2689         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
2690         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
2691
2692 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
2693
2694         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
2695         * configure: Regenerate.
2696         * libada-mk.in: Remove CC; rename
2697         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
2698
2699 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
2700
2701         PR tree-opt/20188
2702         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
2703         for the lhs, also walk over the tree.  Likewise for rhs.
2704
2705 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
2706
2707         * tree-ssa-dom.c (simple_iv_increment_p): New function.
2708         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
2709         Do not propagate value of iv before increment over the increment.
2710
2711 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
2712
2713         * c-parser.c: New file.
2714         * c-parse.in: Remove.
2715         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
2716         Remove.
2717         (c-parser.o): Add dependencies.
2718         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
2719         maintainer-clean, TAGS): Update.
2720         * c-config-lang.in (gtfiles): Update.
2721         * gengtype-lex.l: Don't handle "@@".
2722         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
2723         objc_build_synchronized, objc_begin_try_stmt,
2724         objc_begin_catch_clause, objc_finish_catch_clause,
2725         objc_build_finally_clause, objc_finish_try_stmt): New.
2726         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
2727         type_seen_p.
2728         (c_parse_init): Update comment.
2729         * c-decl.c (c_init_decl_processing): Update comment.
2730         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
2731         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
2732         new c_declspecs members.
2733
2734 2005-02-25  Julian Brown  <julian@codesourcery.com>
2735
2736         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
2737         from being used for symbols with vague linkage when
2738         HAVE_GAS_COMDAT_GROUP is true.
2739
2740 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2741
2742         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
2743
2744 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
2745
2746         PR target/19930
2747         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
2748         (LIBGCC2_HAS_DF_MODE): New.
2749         (LIBGCC2_HAS_XF_MODE): New.
2750         (LIBGCC2_HAS_TF_MODE): New.
2751         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2752         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2753         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
2754         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
2755         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
2756         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
2757         and add _fixtfdi, _fixunstfdi, _floatditf
2758         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
2759         L_fixunstfdi, L_floatditf.
2760         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
2761         (LIBGCC2_HAS_TF_MODE): Define.
2762
2763 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
2764
2765         PR tree-optimization/20204
2766         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
2767         REWRITE_THIS_STMT markers on PHI nodes.
2768         (rewrite_initialize_block): Likewise.
2769
2770 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
2771
2772         * version.c (version_string): Update to 4.1.
2773
2774 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
2775
2776         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
2777         Clarify that the alternative way doesn't work in GNU C++.
2778
2779 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
2780
2781         PR tree-optimization/19937
2782         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
2783         to the type of the induction variable.
2784
2785 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
2786
2787         PR rtl-optimization/20117
2788         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
2789         the block including noncopyable insn.
2790
2791 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2792
2793         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
2794         calls to find_reg_note.
2795
2796 2005-02-24  Richard Henderson  <rth@redhat.com>
2797
2798         PR tree-opt/20127
2799         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
2800         the type.
2801
2802 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
2803
2804         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
2805         vector types if to use base reg for misaligned non-word ld/std.
2806
2807 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2808
2809         PR target/14619
2810         * config/cris/cris.c (cris_target_asm_function_prologue): Create
2811         dwarf2 label manually and put it after, not before the prologue.
2812
2813 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
2814
2815         PR target/19019
2816         * reload.c (operands_match_p): Only increment register number for
2817         SCALAR_INT_MODE_P modes in multiple hard registers.
2818
2819         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
2820         Fix formatting.
2821
2822 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2823
2824         * ChangeLog.5: Fix log message typo(s).
2825         * ChangeLog.7: Likewise.
2826         * ChangeLog.tree-ssa: Likewise.
2827         * cfgexpand.c: Fix comment typo(s).
2828         * conflict.c: Likewise.
2829         * defaults.h: Likewise.
2830         * dwarf2out.c: Likewise.
2831         * gcse.c: Likewise.
2832         * ggc-page.c: Likewise.
2833         * tree-eh.c: Likewise.
2834         * tree-ssa-dom.c: Likewise.
2835
2836 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
2837
2838         PR target/19019
2839         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
2840         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
2841         if SHARED is defined.
2842
2843         PR target/20196
2844         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
2845         allow splitting only if operands 0 and 3 don't overlap.
2846
2847 2005-02-24  Richard Henderson  <rth@redhat.com>
2848
2849         PR middle-end/19953
2850         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
2851         (fold_builtin_1): Call them.
2852         * fold-const.c (fold_complex_mult_parts): Split out from ...
2853         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
2854         (fold_complex_div_parts, fold_complex_div): New.
2855         (fold): Use them.
2856         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
2857
2858 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
2859
2860         * tree-ssa-ccp.c (visit_assignment): Verify that result of
2861         VIEW_CONVERT_EXPR is_gimple_min_invariant.
2862
2863         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
2864         (print_node): Likewise.
2865         Print TYPE_SIZES_GIMPLIFIED.
2866
2867 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
2868
2869         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
2870         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
2871         operands as commutative in constraints.
2872
2873 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
2874
2875         * tree-into-ssa.c: Re-organize internal functions.
2876
2877 2005-02-24  Richard Henderson  <rth@redhat.com>
2878
2879         PR middle-end/18902
2880         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
2881         for c99.
2882         * common.opt (fcx-limited-range): New.
2883         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
2884         * toplev.c (flag_complex_method): Initialize to 1.
2885         (process_options): Set flag_complex_method to 0 if
2886         flag_cx_limited_range.
2887         * doc/invoke.texi (-fcx-limited-range): New.
2888
2889 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
2890
2891         * cse.c (delete_trivially_dead_insns): Speed up by using
2892         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
2893         prev_real_insn.
2894
2895 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
2896
2897         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
2898         functions when -mid-shared-library is being used.
2899
2900 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
2901
2902         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
2903         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
2904         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
2905         * system.h: Poison LINK_LIBGCC_SPECIAL.
2906
2907 2005-02-23  James E Wilson  <wilson@specifixinc.com>
2908
2909         * gengtype.c (note_insn_name): Make 1 element larger.
2910
2911 2005-02-23  Roger Sayle  <roger@eyesopen.com>
2912
2913         PR target/20018
2914         PR rtl-optimization/20097
2915         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
2916         BImode SUBREGs of SImode registers which confuse the ia64 backend.
2917
2918 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
2919
2920         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
2921         * t-aix52 (SHLIB_INSTALL): Same.
2922
2923 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
2924
2925         * genpreds.c: Update copyright.
2926
2927 2005-02-23  Michael Beach  <michaelb@ieee.org>
2928
2929         PR target/20159
2930         * config/sparc/t-elf (startup files): Assemble with CPP.
2931
2932 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
2933
2934         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
2935         (write_predicate_expr): Likewise.
2936
2937 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
2938
2939         PR tree-optimization/20100
2940         PR tree-optimization/20115
2941         * tree-optimize.c (init_tree_optimization_passes): Remove
2942         pass_maybe_create_global_var.
2943         * tree-pass.h (pass_maybe_create_global_var): Remove.
2944         * tree-ssa-alias.c (aliases_computed_p): Declare.
2945         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
2946         (count_calls_and_maybe_create_global_var): Remove.
2947         (pass_maybe_create_global_var): Remove.
2948         (init_alias_info): Do not declare aliases_computed_p.
2949         (maybe_create_global_var): If the function contains no
2950         call-clobbered variables and a mix of pure/const and regular
2951         function calls, create .GLOBAL_VAR.
2952         Mark all call-clobbered variables for renaming.
2953         (merge_pointed_to_info): Update comment.
2954         (add_pointed_to_var): Likewise.
2955         (is_escape_site): Likewise.
2956         Accept struct alias_info * instead of size_t *.
2957         Update all users.
2958         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
2959         as necessary.
2960         * tree-ssa-operands.c (get_call_expr_operands): If
2961         ALIASES_COMPUTED_P is false, do not add call-clobbering
2962         operands.
2963         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
2964         (delete_tree_ssa): Likewise.
2965
2966 2005-02-22  James E Wilson  <wilson@specifixinc.com>
2967
2968         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
2969         (do_compile): Do call it here.
2970
2971 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
2972
2973         PR rtl-optimization/20017.
2974         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
2975         rest_of_handle_cse2, rest_of_handle_gcse): Call
2976         delete_dead_jumptables immediately before calling cleanup_cfg.
2977
2978 2005-02-22  Devang Patel  <dpatel@apple.com>
2979
2980         PR 19952
2981         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
2982         all labels
2983
2984 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
2985
2986         * config/rs6000/aix.h (WINT_TYPE): Define.
2987
2988 2005-02-22  Stan Shebs  <shebs@apple.com>
2989
2990         * config/rs6000/rs6000.c (rs6000_override_options): Default to
2991         natural alignment for 64-bit Darwin.
2992         (rs6000_parse_alignment_option): Warn about uses of -malign-power
2993         on 64-bit Darwin.
2994         * doc/invoke.texi: Document this.
2995
2996 2005-02-22  DJ Delorie  <dj@redhat.com>
2997
2998         * c-common.c (c_common_type_for_mode): Pass the mode's precision
2999         to make_[un]signed_type, not the mode itself.
3000
3001 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
3002
3003         * cfg.c (cached_make_edge): Call make_edge if edge cache is
3004         not available.  Use tail calls wherever possible.
3005         (make_edge): Call unchecked_make_edge to create an edge.
3006
3007         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
3008         (coalesce_ssa_name): Don't check for
3009         SSANORM_USE_COALESCE_LIST.
3010         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
3011
3012 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
3013
3014         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
3015         (rewrite_into_ssa): ... here.
3016
3017 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
3018
3019         PR tree-optimization/19786
3020         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
3021         tag to another's may-alias bitmap when adding to the other's list.
3022
3023 2005-02-21  DJ Delorie  <dj@redhat.com>
3024
3025         * tree-ssa-loop-ivopts.c (computation_cost): Start register
3026         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
3027         registers in unsupported ways.
3028         * expmed.c (init_expmed): Likewise.
3029
3030 2005-02-21  Stan Cox  <scox@redhat.com>
3031
3032         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
3033
3034 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3035
3036         * tree-cfg.c (fold_cond_expr_cond): New.
3037         (make_edges): Call fold_cond_expr_cond.
3038         (find_taken_edge): Accept nothing but INTEGER_CST.
3039         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
3040         and 1.
3041         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
3042
3043         * flow.c (delete_dead_jumptables): Speed up by scanning insns
3044         that do not belong to any basic block.
3045
3046 2005-02-21  Jeff Law  <law@redhat.com>
3047
3048         * cfganal.c (find_unreachable_blocks): Manually CSE load of
3049         e->dest.
3050
3051 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
3052
3053         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
3054         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
3055         Adjust their definitions.
3056         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
3057         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
3058
3059         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
3060         genautomata.c, langhooks.c, langhooks.h, system.h,
3061         config/arm/lib1funcs.asm: Update copyright.
3062
3063 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
3064
3065         * dbxout.c (dbxout_function_end): Emit Lscope label always.
3066
3067 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
3068
3069         PR bootstrap/13770
3070         * doc/install.texi: Document --with-gc.
3071
3072 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
3073
3074         * simplify-rtx.c (simplify_unary_operation): Add a missing
3075         "break" statement.
3076
3077 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3078
3079         PR tree-optimization/18663
3080         * tree-ssa-dom.c (extract_range_from_cond): Return 0
3081         if the type has variable bounds.
3082
3083 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
3084
3085         * gcse.c: Remove an obsolete comment.
3086
3087         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
3088
3089 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
3090
3091         * doc/extend.texi (Function Attributes) <Attribute const>: The
3092         attribute "pure" is below this text, not above.
3093
3094 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3095
3096         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
3097         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
3098         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
3099
3100 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
3101
3102         PR 18785
3103         * langhooks.h (struct lang_hooks): Add to_target_charset.
3104         * langhooks.c (lhd_to_target_charset): New function.
3105         * langhooks-def.h: Declare lhd_to_target_charset.
3106         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
3107         (LANG_HOOKS_INITIALIZER): Update.
3108         * c-common.c (c_common_to_target_charset): New function.
3109         * c-common.h: Declare it.
3110         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
3111         c_common_to_target_charset.
3112
3113         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
3114         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
3115         Delete definitions.
3116         * system.h: Poison them.
3117         * doc/tm.texi: Don't discuss them.
3118         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
3119         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
3120         (pp_c_char): Do not attempt to generate letter escapes for
3121         newline, tab, etc.
3122         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
3123         * config/mips/mips.c (mips_output_ascii): Likewise.
3124
3125 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
3126
3127         PR tree-optimization/19951
3128         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
3129         is abnormal.
3130
3131 2005-02-19  Steven Bosscher  <stevenb@suse.de>
3132
3133         PR middle-end/19698
3134         * function.h (struct function): New field `max_loop_depth'.
3135         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
3136         (flow_loops_find): Reset the max loop depth count before finding loops.
3137         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
3138         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
3139         (calculate_global_regs_live): Make sure the loop will terminate
3140         when the initial sets are not empty.
3141
3142 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
3143
3144         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
3145         object inside.
3146         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
3147
3148 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
3149
3150         PR other/19525
3151         * doc/invoke.texi: Remove documentation of %M spec.
3152         * gcc.c: Likewise.
3153         (init_spec): Remove %M suffix from -lgcc_s.
3154         (do_spec_1): Remove 'M' case.
3155         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
3156         to put shared libraries in the multilib directory.  Remove the
3157         shlib_so_soname substitution variable.  Don't add a multilib encoding
3158         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
3159         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
3160         SHLIB_INSTALL as well as SHLIB_LINK.
3161         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
3162         (SHLIB_NAME): Delete.
3163         (SHLIB_DIR): New macro.
3164         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
3165         (SHLIB_INSTALL): Adjust accordingly.
3166         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
3167         * config/t-slibgcc-sld: Likewise.
3168         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
3169         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
3170         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
3171         in $(SHLIB_DIR).
3172         (SHLIBUNWIND_INSTALL): Adjust accordingly.
3173         * config/i386/t-nwld (SHLIB_SONAME): Delete.
3174         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
3175         Use @shlib_base_name@ instead of @shlib_so_name@.
3176         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
3177         and @shlib_base_name@.so in @multilib_dir@.
3178         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
3179         to the install path.
3180         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
3181         (SHLIB_LINK): Remove previous workaround.
3182         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
3183         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
3184         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
3185         the install path.
3186         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
3187         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
3188         (SHLIB_INSTALL): Adjust accordingly.
3189         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
3190         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
3191         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
3192         config/t-slibgcc-elf-ver.
3193
3194 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
3195             Jakub Jelinek  <jakub@redhat.com>
3196
3197         PR tree-optimization/19828
3198         * tree-ssa-loop-im.c: Add a TODO comment.
3199         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
3200         without side-effects.
3201
3202 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
3203
3204         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
3205         call fold_convert.
3206
3207 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
3208
3209         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
3210         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
3211         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
3212         functions.
3213         (ia64_reorg): Delete fixup_errata call.
3214         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
3215         (TARGET_SWITCHES): Delete -mb-step entry.
3216
3217 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
3218
3219         PR c/20043
3220         * c-typeck.c (composite_type): Handle quals in transparent unions.
3221         (type_lists_compatible_p): Likewise.
3222
3223 2005-02-18  Stan Shebs  <shebs@apple.com>
3224
3225         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
3226         expressions in the .literal8 section.
3227
3228 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
3229
3230         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
3231
3232 2005-02-18  Roger Sayle  <roger@eyesopen.com>
3233
3234         * fold-const.c (constant_boolean_node): Always create values of the
3235         specified type, don't bother calling truthvalue_conversion.
3236
3237 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3238
3239         * except.c (output_function_exception_table): Call
3240         assemble_external_libcall (eh_personality_libfunc).
3241
3242 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3243
3244         PR target/19886
3245         * config/ia64/ia64.h (struct machine_function): Add state_num.
3246         * config/ia64/ia64.c (process_epilogue,
3247         process_for_unwind_directive): Use new unwind state numbers each
3248         time rather than state 1.
3249
3250 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
3251
3252         PR target/20054
3253         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
3254         before the "*llgt_didi" pattern.
3255
3256 2005-02-18  Jason Merrill  <jason@redhat.com>
3257
3258         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
3259
3260 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
3261
3262         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
3263         (div0): Use it in place of ARM_FUNC_ALIAS.
3264         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
3265
3266 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
3267
3268         PR middle-end/20030
3269         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
3270         access, the lower bound of the array type if it exists.
3271
3272 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
3273
3274         PR c++/20008
3275         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
3276         cases that are out-of-range for the index type.
3277
3278 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
3279
3280         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
3281         (estimate_case_costs): Don't call convert.
3282         * expmed.c (expand_shift): Likewise.
3283         (make_tree): Call fold_convert instead of convert.
3284
3285 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
3286
3287         PR c++/19813
3288         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
3289         that ref to be marked MEM_READONLY_P doesn't have base that needs
3290         constructing.
3291
3292 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
3293
3294         * genautomata.c (output_get_cpu_unit_code_func,
3295         output_cpu_unit_reservation_p): Don't generate old-style function
3296         definitions.
3297
3298 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
3299
3300         PR c++/20023
3301         PR tree-optimization/20009
3302         * convert.c (convert_to_integer): Revert 2005-02-16 change.
3303
3304         PR tree-optimization/18947
3305         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
3306         inline, remove all nodes that are inlined into the extern inline
3307         being redefined.
3308
3309 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
3310
3311         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
3312         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
3313         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
3314         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
3315         Update copyright.
3316
3317 2005-02-17  Roger Sayle  <roger@eyesopen.com>
3318
3319         PR tree-optimization/19917
3320         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
3321         to be potentially trapping.
3322
3323 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
3324
3325         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
3326
3327 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
3328
3329         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
3330         tem becomes a local variable which is set to the value of the
3331         back end defined INITIAL_FRAME_ADDRESS macro.
3332         (expand_builtin_frame_address): Omit the base parameter to
3333         expand_builtin_return_addr.
3334         (expand_builtin_profile_func): Likewise.
3335         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
3336         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
3337         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
3338
3339 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
3340
3341         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
3342         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
3343         * config/frv/frv.c (frv_function_epilogue): Likewise.
3344
3345 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
3346
3347         * lambda-code (perfect_nestify): Remove mark/unmark
3348         for rewriting hack.
3349         * tree-loop-linear.c (linear_transform_loops): Add
3350         rewrite_into_ssa call so that ssa is correct for
3351         rewriting into loop closed.
3352
3353 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
3354
3355         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
3356         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
3357         BITMAP_FREE.
3358         * bt-load.c (btr_def_live_range, combine_btr_defs,
3359         migrate_btr_def, migrate_btr_defs): Likewise.
3360         * cfgcleanup.c (thread_jump): Likewise.
3361         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
3362         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
3363         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
3364         df_rd_local_compute, df_reg_info_compute): Likewise.
3365         * dominance.c (init_dom_info, free_dom_info): Likewise.
3366         * flow.c (init_propagate_block_info,
3367         free_propagate_block_info): Likewise.
3368         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
3369         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
3370         modify_reg_pav): Likewise.
3371         * loop-invariant.c (find_defs, find_invariant_insn,
3372         find_invariants, free_inv_motion_data): Likewise.
3373         * predict.c (tree_predict_by_opcode,
3374         estimate_bb_frequencies): Likewise.
3375         * stmt.c (expand_case): Likewise.
3376         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
3377         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
3378         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
3379         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
3380         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
3381         rewrite_ssa_into_ssa): Likewise.
3382         * tree-optimize.c (tree_rest_of_compilation): Likewise.
3383         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
3384         analyze_edges_for_bb, perform_edge_inserts): Likewise.
3385         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
3386         * tree-sra.c (tree_sra): Likewise.
3387         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
3388         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
3389         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
3390         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
3391         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
3392         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
3393         Likewise.
3394         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
3395         calculate_live_on_entry, calculate_live_on_exit,
3396         build_tree_conflict_graph): Likewise.
3397         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
3398         record_important_candidates, set_use_iv_cost, find_depends,
3399         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
3400         tree_ssa_iv_optimize_finalize): Likewise.
3401         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
3402         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
3403         tree_duplicate_loop_to_header_edge): Likewise.
3404         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
3405         * tree-ssa.c (verify_flow_insensitive_alias_info,
3406         verify_name_tags, verify_ssa, init_tree_ssa,
3407         delete_tree_ssa): Likewise.
3408         * tree-ssanames.c (marked_ssa_names, init_ssanames,
3409         fini_ssanames): Likewise.
3410         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
3411
3412 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
3413
3414         * config/rs6000/t-rtems: Completely reworked.
3415
3416 2005-02-17  Ira Rosen  <irar@il.ibm.com>
3417
3418         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
3419
3420 2005-02-17  Ira Rosen  <irar@il.ibm.com>
3421
3422         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
3423         POINTER_TYPE_P when checking that type is a pointer.
3424         (vect_get_memtag): Remove.
3425         (vect_address_analysis): Use POINTER_TYPE_P. Call
3426         vect_object_analysis with dummy parameter for memtag.
3427         (vect_object_analysis): Extract memtag (functionality that
3428         used to be in vect_get_memtag and moved here). Fix printings.
3429         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
3430         with correct parameters. Remove call to vect_get_memtag.
3431
3432 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
3433
3434