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PR c/21160
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-05-09  Joseph S. Myers  <joseph@codesourcery.com>
2
3         PR c/21160
4         * doc/invoke.texi (-Wuninitialized): Update documentation.
5
6 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
7
8         * arm.c (const_ok_for_arm): Use a faster algorithm.
9
10 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
11
12         PR target/21477
13         * config/rs6000/rs6000.md (add_op2): New.
14         (add<mode>3): Use it.
15
16 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
17
18         * arm.c (arm_gen_constant): Add new heuristic for generating
19         constant integers that can be expressed as the difference of two
20         valid immediates.
21
22 2005-05-09  Roger Sayle  <roger@eyesopen.com>
23
24         * c-tree.h (parser_build_unary_op): New prototype.
25         * c-typeck.c (parser_build_unary_op): New function to construct
26         a unary operation in the C parser.
27         * c-parser.c (c_parser_unary_expression):  Use the new function
28         parser_build_unary_op when appropriate.
29
30 2005-05-09  Mark Mitchell  <mark@codesourcery.com>
31
32         PR 18655
33         * dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT
34         before outputting DWARF_FRAME_RETURN_COLUMN.
35
36 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
37
38         * config/s390/s390.c: (s390_branch_condition_mask,
39         s390_branch_condition_mnemonic, s390_extra_constraint_str,
40         s390_const_ok_for_constraint_p, s390_expand_plus_operand,
41         legitimize_pic_address, s390_emit_tls_call_insn,
42         legitimize_tls_address, legitimize_tls_address,
43         s390_expand_addcc, print_shift_count_operand, print_operand,
44         addr_generation_dependency_p, annotate_constant_pool_refs,
45         s390_split_branches, find_constant_pool_ref,
46         replace_constant_pool_ref, s390_add_constant, s390_find_constant,
47         s390_find_execute, s390_mainpool_start, s390_chunkify_start,
48         s390_output_pool_entry, s390_function_value,
49         s390_call_saved_register_used, s390_emit_call): Replace
50         conditional aborts by gcc_assert and unconditional by gcc_unreachable.
51         (s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
52         s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
53         get_some_local_dynamic_name, s390_function_arg_size,
54         s390_function_arg_advance, s390_function_arg,
55         s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
56         default case by gcc_unreachable.
57         * config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
58         conditional abort by gcc_assert.
59         ("doloop_si31"): Replace abort in last else by gcc_unreachable.
60         ("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.
61
62 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
63
64         * config/s390/s390.c: (s390_decompose_address,
65         tls_symbolic_operand, legitimate_pic_operand_p,
66         legitimate_constant_p, legitimate_reload_constant_p,
67         s390_expand_plus_operand, legitimate_address_p,
68         legitimate_la_operand_p, ): Remove 'register' from signature.
69         (symbolic_reference_mentioned_p,
70         tls_symbolic_reference_mentioned_p): Remove 'register' from local
71         variable declarations.
72         (legitimize_address): Remove 'register' from
73         signature and local variable declarations.
74
75 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
76
77         * config/s390/s390-protos.h: (s390_match_ccmode,
78         s390_match_ccmode_set, reg_used_in_mem_p,
79         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
80         legitimate_la_operand_p, preferred_la_operand_p,
81         s390_short_displacement, addr_generation_dependency_p,
82         legitimate_reload_constant_p, legitimate_address_p): Change return type
83         into 'bool'.
84         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'. 
85         * config/s390/s390.c: (s390_match_ccmode,
86         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
87         legitimate_reload_constant_p): Change return type into 'bool'.
88         (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
89         Likewise.  Additionally adapted comment.  
90         (s390_extra_constraint_p): Change Comment to reflect 'int' return type.
91         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'. 
92         (s390_decompose_address): Change the type of the internal flags
93         "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
94         (struct s390_address): Change type of "pointer" into bool.
95         * config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
96         Adapt calls for 's390_tm_ccmode' to the new signature.
97
98 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
99
100         * config/s390/s390.c: (s390_match_ccmode_set,
101         s390_branch_condition_mnemonic, s390_short_displacement,
102         s390_decompose_address, get_thread_pointer, legitimize_tls_address,
103         print_shift_count_operand, get_some_local_dynamic_name,
104         get_some_local_dynamic_name_1, reg_used_in_mem_p,
105         addr_generation_dependency_p, s390_split_branches,
106         annotate_constant_pool_refs, find_constant_pool_ref,
107         replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base,
108         s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area,
109         s390_register_info, s390_frame_info, s390_init_frame_layout,
110         s390_update_frame_layout, save_fpr, restore_fpr, save_gprs,
111         restore_gprs, s390_function_arg_size, s390_function_arg_float,
112         s390_init_machine_status, s390_assemble_integer, s390_handle_option,
113         s390_encode_section_info, s390_cannot_force_const_mem,
114         s390_delegitimize_address, s390_return_in_memory, s390_init_builtins,
115         s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type,
116         s390_adjust_priority, s390_issue_rate,
117         s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p,
118         s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode,
119         s390_build_builtin_va_list, s390_gimplify_va_arg,
120         s390_function_ok_for_sibcall, s390_call_saved_register_used,
121         s390_pass_by_reference, s390_fixed_condition_code_regs,
122         s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish,
123         s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish,
124         s390_chunkify_cancel, s390_start_pool, s390_end_pool,
125         s390_add_pool_insn, s390_find_pool, s390_add_constant,
126         s390_find_constant, s390_add_execute, s390_find_execute,
127         s390_execute_label, s390_execute_target, s390_dump_pool,
128         s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes. 
129         Move target macro definitions to the end of the file.  Move several
130         functions within the file to assure correct compiling.
131
132 2005-05-09  Steven Bosscher  <stevenb@suse.de>
133
134         * calls.c (purge_reg_equiv_notes): Remove, fold into...
135         (fixup_tail_calls): ...here.  Only look at insns between the
136         start of the function and the FUNCTION_BEG insn note.
137
138         * gcse.c (one_cprop_pass): Fix typos in dumps.
139
140         * tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos.
141
142 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
143
144         * config/s390/s390.h: Move xxx_REGNUM definitions to s390.md.
145         * config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM",
146         "RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants.
147         Replace every occurrence of '(reg:<MODE> 33)' by '(reg:<MODE>
148         CC_REGNUM)'.
149         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace
150         '(reg:<MODE> 36)' by '(reg:<MODE> TP_REGNUM)'.
151         ("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI
152         REG_SC)'.
153
154 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
155
156         * config/s390/s390.md: ("gf") New mode attribute.
157         ("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2",
158         "fixuns_truncsfsi2"): Merge.
159         ("fix_truncdfdi2", "fix_truncsfdi2"): Merge.
160         ("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee",
161         "fix_truncsfsi2_ieee"): Merge.
162
163 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
164
165         * config/s390/s390.md: ("FPR") New mode macro.
166         ("de", "dee"): New mode attributes.
167         ("cmpdf", "cmpsf"): Merge.
168         ("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge.
169         ("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge.
170         ("*cmpdf_ccs", "*cmpsf_ccs"): Merge.
171         ("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge.
172         ("floatdidf2", "floatdisf2"): Merge.
173         ("adddf3", "addsf3"): Merge.
174         ("*adddf3", "*addsf3"): Merge.
175         ("*adddf3_cc", "*addsf3_cc"): Merge.
176         ("*adddf3_cconly", "*addsf3_cconly"): Merge.
177         ("*adddf3_ibm", "*addsf3_ibm"): Merge.
178         ("subdf3", "subsf3"): Merge.
179         ("*subdf3", "*subsf3"): Merge.
180         ("*subdf3_cc", "*subsf3_cc"): Merge.
181         ("*subdf3_cconly", "*subsf3_cconly"): Merge.
182         ("*subdf3_ibm", "*subsf3_ibm"): Merge.
183         ("muldf3", "mulsf3"): Merge.
184         ("*muldf3", "*mulsf3" "): Merge.
185         ("*muldf3_ibm", "*mulsf3_ibm"): Merge.
186         ("*fmadddf", "*fmaddsf"): Merge.
187         ("*fmsubdf", "*fmsubsf"): Merge.
188         ("divdf3", "divsf3"): Merge.
189         ("*divdf3", "*divsf3"): Merge.
190         ("*divdf3_ibm", "*divsf3_ibm"): Merge.
191         ("negdf2", "negsf2"): Merge.
192         ("*negdf2_cc", "*negsf2_cc"): Merge.
193         ("*negdf2_cconly", "*negsf2_cconly"): Merge.
194         ("*negdf2", "*negsf2"): Merge.
195         ("*negdf2_ibm", "*negsf2_ibm"): Merge.
196         ("absdf2", "abssf2"): Merge.
197         ("*absdf2_cc", "*abssf2_cc"): Merge.
198         ("*absdf2_cconly", "*abssf2_cconly"): Merge.
199         ("*absdf2", "*abssf2"): Merge.
200         ("*absdf2_ibm", "*abssf2_ibm"): Merge.
201         ("*negabsdf2_cc", "*negabssf2_cc"): Merge.
202         ("*negabsdf2_cconly", "*negabssf2_cconly"): Merge.
203         ("*negabsdf2", "*negabssf2"): Merge.
204         ("sqrtdf2", "sqrtsf2"): Merge.
205
206 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
207
208         * config/s390/s390.c: (s390_adjust_priority): Adapt to changed 
209         attribute names.
210         * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
211         "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
212         ("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
213         "x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type'
214         attribute names.
215         * config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads,
216         fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to
217         "fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf,
218         fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf".
219         ("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs",
220         "*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm",
221         "*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31",
222         "*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf",
223         "*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3",
224         "mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm",
225         "*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm",
226         "*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc",
227         "*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc",
228         "*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc",
229         "*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc",
230         "*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename
231         'type' value.
232         ("*divsf3"): Additionally rename second pattern to
233         "*divsf3_ibm".
234         ("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
235         "*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm",
236         "*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3",
237         "subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3",
238         "subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical
239         'type values' and rename 'type' value.
240         ("*addsf3"): Additionally rename second pattern to
241         "*addsf3_ibm".
242
243 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
244
245         * config/s390/s390.md: ("SHIFT"): New mode macro.
246         ("lr", "shift"): New mode attributes.
247         ("ashldi3", "lshrdi3"): Merge.
248         ("*ashldi3_31", "*lshrdi3"_31): Merge.
249         ("*ashldi3_64", "*lshrdi3"_64): Merge.
250         ("ashlsi3", "lshrsi3"): Merge.
251
252 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
253
254         * config/s390/s390.md: ("DSI", "SCOND"): New mode 
255         macros.
256         ("E", "g"): New mode attributes.
257         ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
258         ("*adddi3_alc", "*addsi3_alc"): Merge.
259         ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
260         ("*subdi3_slb", "*subsi3_slb"): Merge.
261         ("adddicc", "addsicc"): Merge.
262         ("*sconddi", "*scondsi"): Merge.
263         ("*sconddi_neg", "*scondsi_neg"): Merge.
264         ("sltu", "sgtu", "sleu", "sgeu"): Merge.
265         ("negdi2", "negsi2"): Extract expander pattern from
266         "negsi2" and merge with "negdi2".
267         ("*negdi2"): Merge with instruction pattern of "negsi2".
268         ("*negdi2_cc", "*negsi2_cc"): Merge.
269         ("*negdi2_cconly", "*negsi2_cconly"): Merge.
270         ("rotldi3", "rotlsi3"): Merge.
271
272 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
273
274         * config/s390/s390.md: ("hc"): New mode attribute.
275         ("extendhidi2", "extendqidi2"): Merge.
276         ("*extendhidi2", "*extendqidi2"): Merge.
277         ("extendhisi2", "extendqisi2"): Merge.
278         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
279         ("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
280         Merged 2 define_split.
281         ("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
282         ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.
283
284 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
285
286         * config/s390/s390.md: ("COMPARE"): New mode macro.
287         ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
288         "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
289         "bungt", "bunle", "bunge", "bltgt"): Merge.
290
291 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
292
293         * config/s390/s390.md: ("INT"): New mode macro.
294         ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
295         Merge.
296
297 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
298
299         * config/s390/s390.md: ("GPR", "P"): New mode macros.
300         ("cmpdi", "cmpsi"): Merge.
301         ("strlendi", "strlensi"): Merge.
302         ("*strlendi", "*strlensi"): Merge.
303         ("movmemdi", "movmemsi"): Merge.
304         ("clrmemdi", "clrmemsi"): Merge.
305
306 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
307
308         * config/s390/s390.md: ("HQI"): New mode macro.
309         ("icm_lo", "icm_hi", "max_uint"): New mode attributes.
310         ("*tmhi_full", "*tmqi_full"): Merge.
311         ("*tsthiCCT", "*tstqiCCT"): Merge.
312         ("*tsthi", "*tstqi"): Merge.
313         ("*tsthi_cconly", "tstqi_cconly"): Merge.
314         ("*sethighhisi", "*sethighqisi"): Merge.
315          
316 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
317
318         * crtstuff.c, integrate.h, tree-scalar-evolution.h,
319         config/alpha/unicosmk.h, config/arc/arc.md,
320         config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
321         config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
322         config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
323         config/arm/semi.h, config/arm/uclinux-elf.h,
324         config/arm/wince-pe.h, config/fr30/fr30.c,
325         config/rs6000/altivec.h: Update copyright.
326
327 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
328
329         * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
330         gcc_assert and gcc_unreachable as appropriate.
331         (pdp11_output_function_epilogue, output_move_double,
332         output_move_quad, print_operand_address, output_jump,
333         output_addr_const_pdp11): Likewise.
334         * config/pdp11/pdp11.h (FUNCTION_PROFILER,
335         ASM_OUTPUT_ALIGN): Likewise.
336         * config/pdp11/pdp11.md: Likewise.
337         (extendhisi2, subhi3, subqi3): Likewise.
338
339 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
340
341         PR middle-end/21237
342         * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
343         to NE_EXPR case.
344
345 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
346
347         * config/ia64/ia64.c: Fix a comment typo.
348
349 2005-05-09  Richard Earnshaw  <rearnsha@arm.com>
350
351         PR target/21397
352         * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
353         (arm_override_options): Use them instead of manifest constants.  Don't
354         allow -march to override the -mtune setting.
355
356 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
357
358         * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
359         (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
360         (function_arg_advance, function_arg, save_restore_insns,
361         iq2000_expand_prologue, iq2000_output_conditional_branch,
362         expand_one_builtin, print_operand):
363         * config/iq2000/iq2000.md (tablejump): Likewise.
364
365 2005-05-09  David Ung  <davidu@mips.com>
366
367         * config/mips/mips.h (processor_type): Add names for the 24K. 
368         * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
369         processor family.
370         * config/mips/mips.md (cnv_mode): New attribute for recording the
371         conversion types of float convert insns.
372         (cpu): Add 24k and 24kx.
373         (include): Include 24k.md file.
374         (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
375         (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
376         (floatdisf2): Setup cnv_mode.
377         (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
378         setup cnv_mode.
379         * config/mips/24k.md: New file, contains 24k DFA pipeline
380         description. 
381
382 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
383
384         * config/sh/sh.c (print_operand_address): Use gcc_assert and
385         gcc_unreachable as appropriate.
386         (print_operand, prepare_move_operands, prepare_scc_operands,
387         output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
388         gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
389         fixup_mova, gen_far_branch, sh_reorg, split_branches,
390         final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
391         sh_set_return_address, sh_setup_incoming_varargs,
392         initial_elimination_offset, sh_pch_valid_p, get_free_reg,
393         sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
394         check_use_sfunc_addr): Likewise.
395         * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
396         * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
397         * config/sh/symbian.c (sh_symbian_mark_dllexport,
398         sh_symbian_mark_dllimport): Likewise.
399         * config/sh/sh.md: Likewise.
400         (movdicc, call_pop, call_value_pop, casesi_worker_1,
401         casesi_worker_2, casesi_shift_media, casesi_load_media,
402         return_media): Likewise.
403
404 2005-05-08  Roger Sayle  <roger@eyesopen.com>
405
406         PR inline-asm/8788
407         * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
408         operands.
409
410 2005-05-08  Richard Henderson  <rth@redhat.com>
411
412         * config/alpha/alpha.c (adjust_address): Fix typo last change.
413
414 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
415
416         * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
417         and -1 can happen in reg_renumber when no hard register is assigned.
418
419 2005-05-08  Steven Bosscher  <stevenb@suse.de>
420             Kazu Hirata  <kazu@cs.umass.edu>
421
422         PR tree-optimization/14841, tree-optimization/15838
423         * tree-ssa-ccp.c (fold_const_aggregate_ref): New.
424         (evaluate_stmt): Call it.
425
426 2005-05-08  Jakub Jelinek  <jakub@redhat.com>
427
428         * config/ia64/ia64.c (ia64_override_options): Don't set
429         ia64_flag_var_tracking and clear flag_var_tracking here...
430         (ia64_file_start): ... but here.
431
432 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
433
434         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
435         and gcc_unreachable as appropriate.
436         (expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
437         m68hc11_gen_highpart, print_operand, print_operand_address,
438         m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
439         m68hc11_gen_movhi): Likewise.
440         * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
441         * config/m68hc11/m68hc11.md: Reword comment.
442
443 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
444
445         PR target/21281
446         * config/m68hc11/predicates.md (splitable_operand): An immediate is
447         allowed.
448
449 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
450
451         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
452         the 68HC12 address indirect addressing mode as it is not supported by
453         bset and bclr.
454         * config/m68hc11/m68hc11-protos.h
455         (m68hc11_valid_addressing_p): Declare.
456         (m68hc11_add_mode): Declare.
457         * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
458         register_indirect_p and export it.
459         (m68hc11_z_replacement): Use emit_insn_after when adding the save Z
460         instruction so that it is part of the good BB.
461         (m68hc11_gen_movhi): Fix invalid generation of indexed indirect
462         addressing with movw.
463         (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
464         68HC12.
465         * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
466         ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
467         * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
468         for 68HC11.
469         ("*movhi_68hc12"): Handle movhi_const0.
470         ("*subhi3", "subqi3"): Use general_operand for operand 1.
471         ("*subhi3_zext"): Likewise.
472
473 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
474
475         PR target/19051
476         * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
477         operand 1 and fix constraints.
478         ("mulqihi3"): Use general_operand for operand 2.
479
480 2005-05-08  Julian Brown  <julian@codesourcery.com>
481             H.J. Lu  <hongjiu.lu@intel.com>
482             Paul Brook  <paul@codesourcery.com>
483
484         * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
485         GNU linker. Support linker version x.x.x.x.x. Require GNU linker
486         20050308/2.16.0 or newer for comdat group.
487         * configure: Regenerated.
488         * config.in: Regenerated.
489         * varasm.c (default_function_rodata_section): Put .rodata section in
490         COMDAT group when necessary.
491         (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
492         HAVE_COMDAT_GROUP.
493         (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
494         available.
495
496 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
497
498         * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
499         instead of VARRAY.
500         * tree-flow.h (num_referenced_var, referenced_var): Likewise.
501         * tree-into-ssa.c (mark_def_site_blocks): Likewise.
502         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
503         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
504
505 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
506
507         PR target/16925
508         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
509         64-bit constants on 64-bit hosts.
510         (m68hc11_split_logical): Simplify.
511         (m68hc11_split_move): Likewise.
512
513 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
514             Paolo Bonzini  <bonzini@gnu.org>
515
516         * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
517         * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
518         * configure.ac (enable_checking): Fix typos in runtime_checking.
519         (ENABLE_RUNTIME_CHECKING): Mark as target template.
520         (xm_file): Prepend auto-host.h
521         (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
522         * mkconfig.sh: Do not automatically define USED_FOR_TARGET in
523         tconfig.h.
524         * crtstuff.c: Do not include auto-host.h.
525         (IN_LIBGCC2): Do not define.
526         * gcov-io.h: Include tconfig.h, not auto-host.h.
527         * libgcc2.c: Do not include auto-host.h.
528         (abort): Do not undefine.
529         * libgcov.c: Remove unneeded comment about config.h.
530         * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
531         * config.in, configure: Regenerated.
532         
533 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
534             Falk Hueffner  <falk@debian.org>
535
536         * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
537         and gcc_unreachable as appropriate.
538         (get_aligned_mem, get_unaligned_address,
539         alpha_emit_set_long_const, alpha_emit_conditional_branch,
540         alpha_emit_setcc, alpha_emit_conditional_move,
541         alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
542         alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
543         alpha_expand_unaligned_load, alpha_expand_block_move,
544         alpha_expand_zap_mask, get_trap_mode_suffix,
545         get_round_mode_suffix, get_some_local_dynamic_name,
546         print_operand_address, function_arg, alpha_return_in_memory,
547         function_value, alpha_expand_builtin,
548         alpha_initial_elimination_offset, alpha_expand_epilogue,
549         summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
550         alphaev5_next_group, alpha_align_insns,
551         unicosmk_initial_elimination_offset, unicosmk_unique_section,
552         unicosmk_ssib_name): Likewise.
553         * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
554         * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
555         ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
556         * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
557         ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
558         * config/alpha/alpha.md (*divmodsi_internal_er,
559         *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
560         call_nt, call_umk, call_vms, call_value, sibcall_value,
561         call_value_osf, call_value_nt, call_value_vms, call_value_umk,
562         *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
563         * config/alpha/predicates.md (input_operand): Likewise.
564
565 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
566
567         * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
568         gcc_unreachable, as appropriate.
569         (frv_function_prologue, frv_alloc_temp_reg,
570         frv_initial_elimination_offset, frv_expand_block_move,
571         frv_expand_block_clear, frv_print_operand_jump_hint,
572         frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
573         frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
574         frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
575         frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
576         frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
577         frv_in_small_data_p, frv_asm_out_constructor,
578         frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
579         * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
580         *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
581         *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
582         sibcall_value, casesi): Likewise.
583
584         * config/mn10300/mn10300.c (print_operand): Use gcc_assert and
585         gcc_unreachable as appropriate.
586         (print_operand_address, mn10300_print_reg_list, expand_prologue,
587         expand_epilogue, notice_update_cc, initial_offset,
588         mn10300_address_cost_1): Likewise.
589         * config/mn10300/mn10300.md: Likewise.
590         (absdf2, abssf2, negdf2, negsf2): Likewise.
591
592 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
593
594         PR target/21416
595         * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
596         comparisons.
597         * config/mips/mips.md (swapped_fcond): New code macro and attribute.
598         (sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
599         including sunge_<mode> and sungt_<mode>.
600
601 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
602
603         * integrate.h (get_hard_reg_initial_val): Change type of register
604         parameter from int to unsigned int.
605         (has_hard_reg_initial_val): Likewise.
606         * integrate.c (get_hard_reg_initial_val): Likewise.
607         (has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.
608
609 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
610
611         * except.c (eh_status): Change the type of ttype_data to
612         VEC(tree,gc)*.
613         (add_ttypes_entry, assign_filter_values,
614         output_function_exception_table): Use VEC instead of VARRAY.
615
616 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
617
618         * config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.
619
620 2005-05-07  Paul Brook  <paul@codesourcery.com>
621
622         * Makefile.in: Fix dependencies.
623         (GCOV_IO_H, VARRAY_H): Set.
624
625 2005-05-07  Anthony Green  <green@redhat.com>
626
627         PR bootstrap/21403
628         * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
629         x$STMP_FIXPROTO test.
630         * configure: Rebuilt.
631
632 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
633
634         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
635         inappropriate feature test macros if flag_iso.
636
637 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
638
639         * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
640
641 2005-05-07  Hans-Peter Nilsson  <hp@axis.com>
642
643         PR target/21441
644         * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
645         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
646         Handle moved operand being in special register.
647         ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
648         presumed working insn.
649         (mover2side): Add FIXME.
650
651 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
652
653         * integrate.c (get_func_hard_reg_initial_val): Delete.
654         (has_func_hard_reg_initial_val): Delete.
655         (get_hard_reg_initial_val): Inline the old implementation of
656         get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
657         instead of has_func_hard_reg_initial_val to test for an existing
658         pseudo.  Only create an rtx if a new initial value entry is needed.
659         (has_hard_reg_initial_val): Scan the initial value list directly.
660         Don't create an rtx.
661
662 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
663
664         * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
665         from extra_options.
666         * config.in (HAVE_AS_POPCNTB): New.
667         * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
668         (HAVE_AS_POPCNTB): New.
669         * configure: Regenerated.
670         * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
671         * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
672         MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
673         and rs6000_sched_costly_dep.
674         * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
675         (TARGET_XL_COMPAT): Delete.
676         * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
677         (popcount<mode>2): New.
678         (popcntb<mode>2): New.
679         * config/rs6000/rs6000.opt (mpopcntb): New.
680
681         * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
682         if variable name exists.
683
684 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
685
686         * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
687
688 2005-05-07  Richard Henderson  <rth@redhat.com>
689
690         PR target/21412
691         * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
692         with constant offsets.
693
694 2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
695
696         * config/v850/v850.c (print_operand): Use gcc_assert and
697         gcc_unreachable, as appropriate.
698         (print_operand_address, v850_handle_data_area_attribute,
699         v850_encode_data_area, construct_restore_jr, construct_save_jarl,
700         v850_insert_attributes, construct_prepare_instruction): Likewise.
701         * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
702         * config/v850/v850.md (movsicc, *sasf_1): Likewise.
703
704 2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
705
706         * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
707         config/rs6000/rs6000.h: Fix comment typos.
708
709 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
710
711         * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
712         * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
713         (mips_scalar_mode_supported_p): Delete.
714
715 2005-05-06  Eric Christopher  <echristo@redhat.com>
716
717         * config/mips/mips.opt: Remove -mint64 option.
718         * config/mips/mips.c (override_options): Remove -mint64
719         handling.
720         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
721         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
722         64-bit integer handling.
723         * doc/invoke.texi (Option Summary): Remove -mint64 for
724         mips.
725
726 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
727
728         PR tree-optimization/19401
729         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
730         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
731         (estimated_unrolled_size): New function.
732         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
733         tree_unroll_loops_completely): Always unroll loops if the code size
734         does not increase.
735         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
736         loops should be unrolled completely.
737         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
738
739 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
740
741         PR rtl-optimization/21254
742         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
743         assumptions for loops that otherwise do not roll.
744         (find_simple_exit): Prefer # of iterations that is guaranteed
745         not to be infinite.
746         * loop-unroll.c (decide_peel_once_rolling,
747         decide_peel_completely): Check whether the loop is infinite.
748
749 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
750
751         * config/rs6000/sysv4.opt: Fix typo.
752
753 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
754             Jakub Jelinek  <jakub@redhat.com>
755
756         PR target/21329
757         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
758         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
759         Don't use rep; movs{l,q} if the repetition count is really small,
760         instead use a sequence of movs{l,q} instructions.
761
762 2005-05-06  Jeff Law  <law@redhat.com>
763
764         PR tree-optimization/21380
765         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
766         thread through a block with no preds.
767
768 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
769
770         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
771         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
772         add_call_read_ops): Use VEC instead of VARRAY.
773
774 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
775
776         * config/mcore/mcore.c (mcore_print_operand_address): Use
777         gcc_assert and gcc_unreachable as appropriate.
778         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
779         mcore_output_andn, output_inline_const, mcore_output_move,
780         mcore_output_movedouble, mcore_expand_block_move,
781         layout_mcore_frame, mcore_initial_elimination_offset,
782         mcore_expand_prolog, mcore_mark_dllexport,
783         mcore_mark_dllimport): Likewise.
784         * config/mcore/mcore.h (switch_to_section): Likewise.
785         * config/mcore/mcore.md: Likewise.
786
787 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
788
789         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
790         TARGET_PROFILE_KERNEL.
791
792         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
793         TARGET_PROFILE_KERNEL use.
794
795 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
796
797         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
798         and gcc_unreachable, as appropriate.
799         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
800         m32r_expand_prologue, m32r_output_function_epilogue,
801         m32r_legitimize_pic_address, m32r_print_operand_address,
802         emit_cond_move, m32r_function_symbol,
803         m32r_output_block_move): Likewise.
804         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
805         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
806         *rev_zero_branch_insn): Likewise.
807         
808 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
809
810         PR c++/20961
811         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
812         if both NEWDECL and OLDDECL are already weak.
813
814 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
815
816         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
817
818 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
819             Kaz Kojima  <kkojima@gcc.gnu.org>
820
821         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
822         and plus_constant.
823
824 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
825             David Edelsohn  <edelsohn@gnu.org>
826
827         * config.gcc: Add .opt magic for the rs6000 ports.
828
829         * doc/invoke.texi: Document -mabi= option properly.  Document
830         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
831         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
832         -misel=.
833
834         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
835         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
836         TARGET_XL_COMPAT.
837
838         * config/rs6000/aix.opt: New.
839         * config/rs6000/aix41.opt: New.
840         * config/rs6000/aix64.opt: New.
841         * config/rs6000/darwin.opt: New.
842         * config/rs6000/linux64.opt: New.
843         * config/rs6000/rs6000.opt: New.
844         * config/rs6000/sysv4.opt: New.
845
846         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
847         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
848         SUBTARGET_SWITCHES.
849         Define TARGET_USES_SYSV4_OPT.
850         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
851         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
852         TARGET_USES_AIX64_OPT.
853         * config/rs6000/aix51.h: Same.
854         * config/rs6000/aix52.h: Same.
855         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
856         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
857         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
858         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
859         * config/rs6000/linux64.h: Use
860         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
861
862         * config/rs6000/rs6000.c: Remove definitions of
863         rs6000_sched_restricted_insns_priority,
864         rs6000_long_double_size_string, rs6000_altivec_vrsave,
865         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
866         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
867         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
868         rs6000_alignment_string.  Define rs6000_explicit_options.
869         (rs6000_parse_abi_options): Remove.
870         (rs6000_parse_alignment_option): Remove.
871         (rs6000_parse_float_gprs_option): Remove.
872         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
873         TARGET_DEFAULT_TARGET_FLAGS.
874         (rs6000_override_options): Revamp to use new .opt machinery.
875
876         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
877         of new .opt machinery.  Remove target_flags.  Redefine
878         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
879         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
880         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
881         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
882         rs6000_longcall_switch, rs6000_default_long_calls,
883         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
884         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
885         TARGET_ALTIVEC_VRSAVE.
886
887 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
888
889         * config.gcc (hppa1.1-*-rtems*): Remove.
890         * config/pa/rtems.h: Remove.
891
892 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
893
894         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
895         Exclude roe/603e multilib variants.
896
897 2005-05-04  Denis Chertykov  <denisc@overta.ru>
898
899         PR target/21284
900         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
901         for output.
902
903 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
904
905         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
906         arm/pe.opt to $extra_options.
907         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
908         (target_float_abi_name, target_float_switch, target_abi_name)
909         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
910         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
911         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
912         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
913         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
914         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
915         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
916         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
917         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
918         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
919         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
920         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
921         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
922         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
923         (arm_pic_register_string): Delete.
924         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
925         TARGET_TPCS_FRAME.
926         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
927         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
928         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
929         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
930         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
931         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
932         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
933         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
934         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
935         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
936         (SUBTARGET_SWITCHES): Delete.
937         * config/arm/arm.c (target_float_switch): Delete.
938         (arm_cpu_select): Moved from config/arm/arm.h.
939         (target_fpu_name, target_fpe_name, target_float_abi_name)
940         (target_abi_name, structure_size_string, arm_pic_register_string)
941         (arm_select): Make static.
942         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
943         (arm_handle_option): New function.
944         (arm_override_options): Update target_flags checks for new mask names.
945         Remove target_float_switch code.
946         (arm_expand_prologue, thumb_expand_prologue): Check
947         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
948         * config/arm/arm.opt, config/arm/pe.opt: New files.
949
950 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
951
952         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
953         gcc_unreachable as appropriate.
954         (arc_double_limm_p, arc_setup_incoming_varargs,
955         arc_compute_function_type, arc_output_function_prologue,
956         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
957         output_shift, arc_print_operand, arc_print_operand_address,
958         arc_final_prescan_insn): Likewise.
959         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
960
961 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
962
963         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
964         comparing Pmode.
965         (SDI): New.
966         (cmp): Delete.
967         (wd): New.
968         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
969         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
970         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
971         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
972         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
973         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
974         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
975         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
976
977 2005-05-05  Paul Brook  <paul@codesourcery.com>
978
979         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
980         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
981         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
982         and tree-data-ref.h with *_H variables.
983
984 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
985
986         * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
987
988 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
989
990         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
991
992 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
993
994         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
995
996 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
997
998         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
999         setting of vrsave register for current function after
1000         call to save_world is emitted.
1001
1002 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
1003
1004         * config/mmix/predicates.md: New file.
1005         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
1006         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
1007         (mmix_foldable_comparison_operator, mmix_comparison_operator)
1008         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
1009         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
1010         Don't define.
1011         * config/mmix/mmix.md: Include predicates.md.
1012         ("call", "call_value"): Force address to register if it isn't a
1013         mmix_symbolic_or_address_operand.
1014
1015 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
1016
1017         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
1018         the flags are of appropriate types.
1019         (num_ssa_operands): Generalize using the generic interface.
1020         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
1021         iterator.
1022
1023 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
1024
1025         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
1026         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
1027
1028 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
1029
1030         * tree-outof-ssa.c (edge_leader, stmt_list,
1031         analyze_edges_for_bb): Use VEC instead of VARRAY.
1032         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
1033         (perform_edge_inserts): Call init_analayze_edges_for_bb and
1034         fini_analayze_edges_for_bb.
1035
1036 2005-05-04  James E Wilson  <wilson@specifixinc.com>
1037
1038         PR driver/21112
1039         * gcc.c (process_command): In the second argv scan loop, ignore
1040         Xassembler and Xpreprocessor, along with their argument.
1041
1042 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
1043
1044         * tree-flow-inline.h, tree-ssa-operands.c,
1045         tree-ssa-operands.h, tree-ssa-opfinalize.h:
1046         Likewise. tree-vn.c: Fix comment typos.
1047         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
1048
1049 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
1050
1051         * doc/tm.texi (Target Hooks): Document
1052         TARGET_RESOLVE_OVERLOADED_BUILTIN.
1053
1054 2005-05-04  Paul Brook  <paul@codesourcery.com>
1055
1056         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
1057
1058 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
1059
1060         * dwarf2out.c (incomplete_types, retry_incomplete_types,
1061         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
1062         of VARRAY.
1063
1064         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
1065         get_expansion, expand_var_during_unrolling,
1066         insert_var_expansion_initialization,
1067         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
1068         instead of VARRAY.
1069
1070         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
1071         update_stmt.
1072
1073 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
1074
1075         PR middle-end/15618
1076         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
1077         the same as INTEGER_TYPE.
1078         (fold_binary): Fold "bool_var != 0" to bool_var.
1079         Fold "bool_var == 1" to bool_var.
1080
1081 2004-05-03  Richard Henderson  <rth@redhat.com>
1082
1083         PR middle-end/21318
1084         * function.c (instantiate_virtual_regs_in_insn): Use the mode
1085         from recog_data instead of insn_data.
1086
1087 2005-05-03  DJ Delorie  <dj@redhat.com>
1088
1089         * common.opt (fdiagnostics-show-option): No variable is needed.
1090         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
1091         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
1092         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
1093         Save and restore original message format.  Use flag in context
1094         instead of global.
1095         (warning): Don't test for enabled warnings here.
1096         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
1097         here.
1098
1099 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
1100
1101         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
1102         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
1103         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
1104         * aclocal.m4: Don't include accross.m4.
1105         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
1106         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
1107         * configure, config.in: Regenerate.
1108         
1109 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
1110
1111         PR middle-end/21265
1112         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
1113         (clear_storage): Add argument.
1114         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
1115         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
1116         tailcall.
1117         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
1118         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
1119         (store_expr, store_constructor): Adjust callers.
1120         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
1121         to emit_block_move if CALL_EXPR_TAILCALL (exp).
1122         (expand_builtin_memmove): Add ORIG_EXP argument, copy
1123         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
1124         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
1125         with EXP.  Pass EXP to expand_builtin_memmove.
1126         (expand_builtin_memset): Add ORIG_EXP argument, pass
1127         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
1128         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
1129         Pass EXP to expand_builtin_memset.
1130         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
1131         the new CALL_EXPR.
1132         (expand_builtin_strncmp): Likewise.
1133         (expand_builtin_printf): Replace ARGLIST argument with EXP.
1134         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
1135         (expand_builtin_fprintf): Likewise.
1136         (expand_builtin): Adjust calls to
1137         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
1138
1139         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
1140         item in V4SF mode.
1141
1142         PR rtl-optimization/21239
1143         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
1144
1145 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
1146
1147         * tree-flow.h (tree_ann_common_d): Move aux to ...
1148         (stmt_ann_d): ... here.
1149         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
1150         move_computations_stmt, schedule_sm): Update references to
1151         aux.
1152         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
1153
1154         * tree-cfg.c (remove_bb): Remove a redundant call to
1155         set_bb_for_stmt.
1156         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
1157         Likewise.
1158
1159 2005-05-03  Richard Henderson  <rth@redhat.com>
1160
1161         * config/rs6000/rs6000.c: Remove conflict markers.
1162
1163         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
1164
1165 2005-05-03  James E Wilson  <wilson@specifixinc.com>
1166
1167         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
1168
1169 2005-05-03  DJ Delorie  <dj@redhat.com>
1170
1171         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
1172         decide if the warning will be printed.
1173         * calls.c (expand_call): Likewise.
1174         * function.c (init-function_start): Likewise.
1175
1176         * common.opt (-fdiagnostics-show-option): New.
1177         * opts.c (option_enabled): Accept the option index instead of a
1178         pointer to the option descriptor.
1179         * opts.h (option_enabled): Likewise.
1180         * toplev.c (print_switch_values): Pass option index, not option
1181         descriptor.
1182         * diagnostic.h (diagnostic_info): Add option_index.
1183         * diagnostic.c: Include opts.h.
1184         (diagnostic_set_info): Initialize option_index.
1185         (diagnostic_report_diagnostic): Amend option name if appropriate.
1186         (warning): Check to see if the specified warning is enabled.
1187         Store option index.
1188         * doc/invoke.texi (-fdiagnostics-show-options): Document.
1189
1190 2005-05-03  Richard Henderson  <rth@redhat.com>
1191
1192         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
1193         SPEC_OR_GEN_REGS definitions.
1194
1195 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
1196
1197         PR target/16888
1198         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
1199         for unavailable registers.
1200
1201 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
1202
1203         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
1204
1205         * cfglayout.c (block_locators_blocks,
1206         insn_locators_initialize, insn_scope): Use VEC instead of
1207         VARRAY.
1208
1209         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
1210         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
1211         VARRAY.
1212
1213 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
1214
1215         * config/sparc/predicates.md (const_compl_high_operand): New.
1216         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
1217         gen_safe_HIGH64.
1218         (sparc_emit_set_const64_quick1): Adjust for above change.
1219         (sparc_emit_set_const64_quick2): Likewise.
1220         (sparc_emit_set_const64_longway): Likewise.
1221         (sparc_emit_set_const64): Likewise.
1222         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
1223         movdi_const64_special): Delete.
1224         (logical constant splitters): Use const_compl_high_operand.
1225
1226 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
1227
1228         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
1229         rather than STRIP_NOPS.
1230
1231 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
1232
1233         PR rtl-optimization/21330
1234         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
1235         returning non-NULL.
1236         (unswitch_single_loop): Clear cinsn when retrying.
1237
1238         PR target/21297
1239         * config/i386/i386.c (legitimize_address): When canonicalizing
1240         ASHIFT into MULT, multiply by 1 << shift_count instead of
1241         1 << log2 (shift_count).
1242
1243 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
1244
1245         * lambda-code.c (gcc_loop_to_lambda_loop, 
1246         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
1247         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
1248         generic operand interface.
1249         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
1250         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
1251         generic operand interface.
1252         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list, 
1253         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
1254         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
1255         num_imm_uses): Use ssa_use_operand_t.
1256         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
1257         get_v_must_def_ops): Delete.
1258         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
1259         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
1260         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
1261         get_v_must_def_kill_ptr): Delete.
1262         (delink_stmt_imm_use): Move and use new operand interface.
1263         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
1264         op_iter_next_tree): Use new operand implementation.
1265         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
1266         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator 
1267         type check.
1268         (op_iter_next_mustdef, op_iter_next_maydef, 
1269         op_iter_next_must_and_may_def): Delete. Replace with...
1270         (op_iter_next_maymustdef): New.  Combine must and may next operations.
1271         (op_iter_init_maydef, op_iter_init_mustdef, 
1272         op_iter_init_must_and_may_def): Use new interface.
1273         (single_ssa_tree_operand ): New.  Process single operands only as trees.
1274         (single_ssa_use_operand): New.  Process single operands only as uses.
1275         (single_ssa_def_operand): New.  Process single operands only as defs.
1276         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
1277         specified types.
1278         (num_ssa_operands): New.  Count the number of specified operands.
1279         (compare_ssa_operands_equal): New.  Compare two statements' operands.
1280         (single_phi_def): New.  Return true if PHI has one def of the specified
1281         operand type.
1282         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
1283         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
1284         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
1285         (struct stmt_ann_d): Operands field no longer require GTY().
1286         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
1287         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
1288         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb, 
1289         dump_replaceable_exprs, rewrite_trees): Use generic interface.
1290         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node): 
1291         Use use_operand_p instead of ssa_imm_use_t *.
1292         * tree-pretty-print.c (dump_vops): check if operands are active before
1293         dumping virtual operands.
1294         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
1295         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
1296         (ccp_fold): Use new interface.
1297         (ccp_visit_stmt): Remove unused variables and code.
1298         (convert_to_gimple_builtin): Insert statements before calling 
1299         mark_new_vars_to_rename.
1300         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
1301         (copy_prop_visit_cond_stmt): Use generic interface.
1302         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the 
1303         annotation in table.
1304         (thread_across_edge): Use generic interface.
1305         (initialize_hash_element): Initialzie with stmt, not annotation.
1306         (eliminate_redundant_computations): Use generic interface.
1307         (record_equivalences_from_stmt): Pass stmt, not annotation.
1308         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
1309         interface.
1310         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
1311         * tree-ssa-loop-ivopts.c (find_invariants_stmt, 
1312         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use 
1313         generic operand interface.
1314         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
1315         interface.
1316         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
1317         Interface.
1318         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
1319         (build_defs, build_uses, build_v_may_defs, build_vuses, 
1320         build_v_must_defs): Change type to struct opbuild_list_d.
1321         (ops_active): New.  Operands active boolean.
1322         (operand_memory, operand_memory_index): New.  Operand memory managers.
1323         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
1324         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
1325         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs): 
1326         Change from functions to static variable list heads.
1327         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
1328         (opbuild_initialize_real): New.  Initialize a virtual build list.
1329         (opbuild_free): New.  Free a build list.
1330         (opbuild_num_elems): New.  Number of items in a list.
1331         (opbuild_append_real): New.  Add a real (tree *) operand.
1332         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
1333         (opbuild_first): New.  Return first element index in a list.
1334         (opbuild_next): New.  Return next element in a list.
1335         (opbuild_elem_real): New.  Return real element.
1336         (opbuild_elem_virtual): New.  Return virtual element.
1337         (opbuild_elem_uid): New.  Return UID of virtual element.
1338         (opbuild_clear): New.  Reset an operand list.
1339         (opbuild_remove_elem): New.  Remove an element form a list.
1340         (ssa_operands_active): New.  Return true if operand cache is active.
1341         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
1342         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
1343         (correct_use_link): Use use_operand_p.
1344         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
1345         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation. 
1346         (cleanup_v_may_defs): Use new implmentation.
1347         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New 
1348         implementation.
1349         (append_def, append_use, append_v_may_def, append_vuse, 
1350         append_v_must_def): Call opbuild_append routine instead of using varray.
1351         (build_ssa_operands): Simplify to simply use stmt, don't maintain a 
1352         global parse_old_ops variable.
1353         (free_ssa_operands): New implementation.
1354         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
1355         (copy_virtual_operands): Move. New generic implementation.
1356         (create_ssa_artficial_load_stmt): Move. New implementation.
1357         (swap_tree_operands): Update for new implementation.
1358         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
1359         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
1360         rather than a varray.
1361         (verify_imm_links): Use use_operand_p.
1362         (dump_immediate_uses_for): If the immediate use variable is a virtual 
1363         variable, show the virtual ops in the stmt.
1364         * tree-ssa-operands.h (def_operand_p): No longer a structure.
1365         (NULL_DEF_OPERAND_P): Now a #define.
1366         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
1367         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
1368         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
1369         mustdef_optype_d): New.  Use Linked list representation.
1370         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
1371         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
1372         (struct stmt_operands_d): Change to new pointers that are not GTY.
1373         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
1374         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
1375         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
1376         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT, 
1377         SET_V_MUST_DEF_KILL): Delete.
1378         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT, 
1379         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
1380         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT, 
1381         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
1382         (enum ssa_op_iter_type): Operand iterator typechecking values.
1383         (struct ssa_operand_iterator_d): Use linked lists of operands.
1384         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
1385         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
1386         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
1387         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
1388         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
1389         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
1390         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND, 
1391         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
1392         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
1393         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
1394         alloc_vuse, and alloc_mustdef.
1395         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops, 
1396         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1397         and finalize_ssa_v_must_def_ops.
1398         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
1399         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
1400         stmt around.
1401         (compute_avail): Use generic iterator interface.
1402         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
1403         (stmt_makes_single_load, stmt_makes_single_store): Use 
1404         ZERO_SSA_OPERANDS.
1405         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
1406         (statement_sink_location): Use generic interface.
1407         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
1408         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
1409         reset the immediate use link nodes.
1410         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
1411         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
1412         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
1413         (eliminate_tail_call): Use generic operand interface.
1414         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
1415         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic 
1416         interface.
1417         * tree-vect-transform.c (update_vuses_to_preheader): Use generic 
1418         interface.
1419         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
1420         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
1421         vuse_optype.
1422         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add): 
1423         Use statement pointer instead of vuse_optype.  Use generic interface.
1424         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
1425         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
1426         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
1427         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
1428         * doc/tree-ssa.texi: Update documentation for operand interface.
1429
1430 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
1431
1432         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
1433         gcc_unreachable as appropriate.
1434         (machopic_function_base_name, machopic_indirect_data_reference,
1435         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
1436         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
1437         * config/rs6000/altivec.md (*mov<mode>_internal,
1438         build_vector_mask_for_load): Likewise.
1439         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
1440         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
1441         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
1442         * config/rs6000/predicates.md (easy_fp_constant,
1443         logical_operand): Likewise.
1444         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
1445         compute_save_world_info, rs6000_emit_prologue,
1446         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
1447         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
1448         directly.
1449
1450 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
1451
1452         PR middle-end/21282
1453         * convert.c (convert_to_integer): Convert ceil and floor in
1454         c99 mode only.
1455
1456 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
1457
1458         PR target/20813
1459         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
1460         define_insn_and_split.  Split only when memory operand is
1461         offsettable.  Use adjust_address rather than plus_constant.
1462         (floatunssidf2_internal): Likewise.
1463         (fix_truncdfsi2_internal): Split only when memory operand is
1464         offsettable.  Use adjust_address rather than plus_constant.
1465         (fix_trunctfsi2_internal): Likewise.
1466         (floatsidf2_internal): Likewise.
1467
1468 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
1469
1470         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
1471         (set_value_range_to_null): Likewise.
1472         (set_value_range_to_varying): New function.  Use it in all
1473         call sites that used to call set_value_range (vr, VR_VARYING, ...).
1474         (extract_range_from_assert): If the integral type has a
1475         super-type, and LIMIT is not within MIN and MAX values of that
1476         type, set the resulting range to VR_VARYING.
1477
1478 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
1479
1480         * config/mmix/mmix.opt: New file.
1481         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
1482         (mmix_cc1_ignored_option): Don't declare.
1483         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
1484         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
1485         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
1486         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
1487         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
1488         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
1489         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
1490         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
1491         Don't define.
1492         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
1493         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
1494         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1495
1496 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
1497
1498         PR c/15698
1499         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
1500         * c-decl.c (current_function_prototype_built_in,
1501         current_function_prototype_arg_types): New.
1502         (merge_decls): Keep source location of prototype followed by
1503         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
1504         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
1505         (start_function): Always set current_function_prototype_locus,
1506         current_function_prototype_built_in and
1507         current_function_prototype_arg_types.  Check for external
1508         prototype whether or not visible for external function and set
1509         current_function_prototype_arg_types accordingly.
1510         (store_parm_decls_oldstyle): Use
1511         current_function_prototype_arg_types for checking old-style
1512         definition against prototype.  Give warnings only if
1513         current_function_prototype_built_in).
1514
1515 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
1516
1517         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
1518         (ggc_alloc_zone_stat): Don't define.
1519         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
1520         ggc_alloc_zone_pass_stat.
1521         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
1522         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
1523         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
1524
1525 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
1526
1527         * calls.c (expand_call): Handle current_function_pretend_args_size
1528         when checking for sibcalls.
1529
1530 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
1531
1532         PR tree-optimization/21294
1533         * tree-vrp.c (vrp_expr_computes_nonzero): New.
1534         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
1535
1536 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
1537
1538         PR 19985
1539         * gcov-io.h: Declare gcov external functions hidden.
1540
1541 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
1542
1543         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
1544         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
1545         Use VEC instead of VARRAY.
1546         (equiv_free): New.
1547
1548         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
1549         out common code.
1550
1551 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
1552
1553         * c-common.c (resolve_overloaded_builtin): Forward to target
1554         hook for BUILT_IN_MD built-ins.
1555         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
1556         for all types of built-in.
1557         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
1558         in the definition of the target hooks struct.
1559         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
1560         * config/rs6000/altivec.h: Rewritten.
1561         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
1562         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
1563         rs6000_builtin_type, rs6000_builtin_type_compatible,
1564         altivec_overloaded_builtins, rs6000_builtin_type,
1565         rs6000_builtin_type_compatible): New.
1566         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
1567         New.
1568         (def_builtin): Turn into a function.  Check for duplicates and store
1569         the builtin into rs6000_builtin_decls.
1570         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
1571         bdesc_1arg): Add overloaded builtins.
1572         (altivec_expand_builtin): Check for unresolved overloaded builtins,
1573         do not support ALTIVEC_COMPILETIME_ERROR.
1574         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
1575         nodes to represent front-end types.
1576         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
1577         with opaque arguments and/or return values.
1578         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
1579         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
1580         (rs6000_builtin_type_index): New.
1581         (is_ev64_opaque_type): Rename to...
1582         (rs6000_is_opaque_type): ... this.
1583         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
1584         target hook.
1585
1586 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
1587
1588         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
1589         instead of VARRAY.
1590
1591 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
1592             Bernd Schmidt  <bernd.schmidt@analog.com>
1593
1594         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
1595         print_address_operand, print_operand, legitimize_pic_address,
1596         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
1597         output_pop_multiple): Use gcc_assert or gcc_unreachable as
1598         appropriate.
1599         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
1600
1601 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
1602
1603         * doc/passes.texi: Document vectorization pass.
1604
1605 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
1606
1607         * tree-scalar-evolution.c (get_exit_conditions_rec,
1608         select_loops_exit_conditions,
1609         number_of_iterations_for_all_loops,
1610         analyze_scalar_evolution_for_all_loop_phi_nodes,
1611         scev_analysis): Use VEC instead of VARRAY.
1612
1613 2005-05-02  Michael Matz  <matz@suse.de>
1614
1615         PR c++/19542
1616         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
1617         (warn_strict_null_sentinel): Define.
1618         (check_function_sentinel): Check for null_node as valid sentinel too.
1619         * c-common.h (c_tree_index): Added CTI_NULL.
1620         (null_node) Define global_tree[CTI_NULL].
1621         (warn_strict_null_sentinel): Declare.
1622         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
1623         * c.opt: (Wstrict-null-sentinel): New C++ option.
1624         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
1625
1626 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
1627
1628         * gimplify.c (gimplify_compound_lval): Use VEC instead of
1629         VARRAY.
1630
1631         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
1632
1633         * dwarf2out.c (decl_scope_table, push_decl_scope,
1634         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
1635         instead of VARRAY.
1636
1637 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
1638
1639         PR C++/14391
1640         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
1641         if !flag_weak.
1642         * doc/cpp.texi (__DEPRECATED): Document.
1643         (__EXCEPTIONS): Likewise.
1644         (__GXX_WEAK__): Likewise.
1645
1646         * function.c (INVOKE__main): Do not define.
1647         (expand_main_function): Check HAS_INIT_SECTION when determining
1648         whether or not to call __main.
1649
1650 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
1651
1652         * tree-ssa-loop-ivopts.c: Fix a comment typo.
1653
1654 2005-01-05  Paul Brook  <paul@codesourcery.com>
1655
1656         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
1657         (INITIALIZE_TRAMPOLINE): Use it.
1658         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
1659         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
1660         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
1661
1662 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
1663
1664         * doc/install.texi (Specific): Omit dots in the @anchors names
1665         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
1666         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
1667
1668 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
1669
1670         PR tree-optimization/18316
1671         PR tree-optimization/19126
1672         * tree.c (build_int_cst_type): Avoid shift by size of type.
1673         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
1674         argument.
1675         * tree-scalar-evolution.h (simple_iv): Declaration changed.
1676         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
1677         field.
1678         (dump_cand): Dump depends_on information.
1679         (determine_biv_step): Add argument to simple_iv call.
1680         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
1681         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
1682         constant.
1683         (add_candidate_1): Record depends_on for candidates.
1684         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
1685         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
1686         Handle ivs with nonconstant step.
1687         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
1688         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
1689         (create_new_iv): Unshare the step before passing it to create_iv.
1690         (free_loop_data): Free cand->depends_on.
1691         (build_addr_strip_iref): New function.
1692         (find_interesting_uses_address): Use build_addr_strip_iref.
1693         (strip_offset_1): Split the recursive part from strip_offset.
1694         Strip constant offset component_refs and array_refs.
1695         (strip_offset): Split the recursive part to strip_offset_1.
1696         (add_address_candidates): Removed.
1697         (add_derived_ivs_candidates): Do not use add_address_candidates.
1698         (add_iv_value_candidates): Add candidates with stripped constant
1699         offset.  Consider all candidates with initial value 0 important.
1700         (struct affine_tree_combination): New.
1701         (aff_combination_const, aff_combination_elt, aff_combination_scale,
1702         aff_combination_add_elt, aff_combination_add,
1703         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
1704         fold_affine_sum): New functions.
1705         (get_computation_at): Use fold_affine_sum.
1706         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
1707         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
1708         to simple_iv call.
1709
1710 2005-04-30  Michael Matz  <matz@suse.de>
1711
1712         * config/i386/i386.md (movmemsi): Also active when
1713         TARGET_INLINE_ALL_STRINGOPS.
1714
1715 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
1716
1717         PR bootstrap/20633
1718         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
1719
1720 2005-04-30  Paul Brook  <paul@codesourcery.com>
1721
1722         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
1723         thumb mode.
1724         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
1725         * config/arm/ieee754-sf.S: Ditto.
1726         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
1727         (FUNC_ALIAS): Use .thumb_set for thumb routines.
1728
1729 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
1730
1731         * tree-ssanames.c: Fix a comment typo.
1732         * doc/options.texi: Fix a typo.
1733
1734 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
1735
1736         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
1737         gcc_unreachable as appropriate.
1738         (split_adds_subs, cond_string, print_operand,
1739         h8300_initial_elimination_offset, h8300_classify_operand,
1740         h8300_unary_length, h8300_short_immediate_length,
1741         h8300_bitfield_length, h8300_binary_length,
1742         h8300_insn_length_from_table, compute_mov_length, output_plussi,
1743         compute_plussi_length, compute_plussi_cc, output_logical_op,
1744         compute_logical_op_length, compute_logical_op_cc,
1745         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
1746         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
1747         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
1748         h8300_regs_ok_for_stm): Likewise.
1749         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
1750         monitor_prologue): Likewise.
1751
1752 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
1753
1754         * loop-invariant.c (invariants, create_new_invariant,
1755         get_inv_cost, best_gain_for_invariant,
1756         find_invariants_to_move, move_invariants,
1757         init_inv_motion_data, free_inv_motion_data): Use VEC instead
1758         of VARRAY.
1759
1760 2005-04-29  Richard Henderson  <rth@redhat.com>
1761
1762         * function.c (instantiate_decls): Remove valid_only argument.
1763         (instantiate_decls_1, instantiate_decl): Likewise.
1764         (instantiate_virtual_regs_1): Delete.
1765         (instantiate_virtual_regs_lossage): Delete.
1766         (instantiate_virtual_regs_in_rtx): New.
1767         (safe_insn_predicate): New.
1768         (instantiate_virtual_regs_in_insn): New.
1769         (instantiate_virtual_regs): Update to match all that.  Only run
1770         instantiate_decls once.
1771
1772 2005-04-29  Richard Henderson  <rth@redhat.com>
1773             Daniel Jacobowitz  <dan@codesourcery.com>
1774
1775         * gengtype.c (write_func_for_structure): Split out ...
1776         (output_type_enum): ... new function.  Fix thinko accessing
1777         TYPE_PARAM_STRUCT data.
1778
1779 2005-04-29  Tom Tromey  <tromey@redhat.com>
1780
1781         * tree.c (build_block): Removed unused 'tags' argument.
1782         * tree.h (build_block): Removed argument.
1783
1784 2005-04-29  Michael Matz  <matz@suse.de>
1785
1786         PR rtl-optimization/21144
1787         * postreload.c (reload_cse_move2add): Check for VOIDmode.
1788
1789 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
1790
1791         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
1792         flag_reorder_blocks.
1793
1794 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
1795
1796         PR tree-optimization/21030
1797         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
1798         ranges where VR->MAX is smaller than VR->MIN.
1799
1800 2005-04-29  Devang Patel  <dpatel@apple.com>
1801
1802         PR tree-optimization/21272
1803         PR tree-optimization/21266
1804         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
1805         
1806 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
1807
1808         * tree-flow-inline.h: Fix a comment typo.
1809         * doc/tree-ssa.texi: Fix a typo.
1810
1811         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
1812
1813 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
1814
1815         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
1816         gcc_unreachable as appropriate.
1817         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
1818         fr30_print_operand, fr30_move_double): Likewise.
1819         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
1820
1821 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
1822
1823         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
1824         definition has already been provided.
1825         (ARM_EABI_DTORS_SECTION_OP): Likewise.
1826         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
1827         (ARM_EABI_DTORS_SECTION_OP): Likewise.
1828
1829 2005-04-29  Jim Tison  <jtison@us.ibm.com>
1830
1831         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
1832         trace hooks calls to improve performance.
1833
1834 2005-04-29  Julian Brown  <julian@codesourcery.com>
1835             Mark Mitchell  <mark@codesourcery.com>
1836             Paul Brook  <paul@codesourcery.com>
1837
1838         * crtstuff.c: Handle targets that use .init_array.
1839         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
1840         that INVOKE__main is set correctly.
1841         (expand_main_function): Test INVOKE__main.
1842         * libgcc2.c: Do not define __main when using .init_array.
1843         * config/arm/arm.c (arm_elf_asm_constructor): New function.
1844         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
1845         libgcc version.
1846         (DTORS_SECTION_ASM_OP): Likewise.
1847         (CTOR_LIST_BEGIN): Define specially when in libgcc.
1848         (CTOR_LIST_END): Likewise.
1849         (DTOR_LIST_BEGIN): Likewise.
1850         (DTOR_LIST_END): Likewise.
1851         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
1852         (FINI_SECTION_ASM_OP): Likewise.
1853         (INIT_ARRAY_SECTION_ASM_OP): Define.
1854         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
1855         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
1856         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
1857         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
1858         (FINI_ARRAY_SECTION_ASM_OP): Likewise.  
1859
1860 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
1861
1862         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
1863         gcc_assert and gcc_unreachable as appropriate.
1864         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
1865         const_int_cost, output_move_const_into_data_reg,
1866         output_move_qimode, output_move_double, find_addr_reg,
1867         print_operand, print_operand_address): Likewise.
1868         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
1869         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
1870         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
1871         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
1872         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
1873         conditional_trap): Likewise.
1874         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
1875
1876 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
1877
1878         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
1879         gcc_unreachable as appropriate.
1880         (gen_conditional_move, xtensa_split_operand_pair,
1881         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
1882         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
1883         xtensa_copy_incoming_a7, xtensa_output_literal,
1884         xtensa_output_literal, xtensa_output_literal): Likewise.
1885         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
1886         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
1887         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
1888         movsicc_internal1, movsfcc_internal0,
1889         movsfcc_internal1): Likewise.
1890
1891 2005-04-28  James E Wilson  <wilson@specifixinc.com>
1892
1893         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
1894         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
1895
1896 2005-04-28  DJ Delorie  <dj@redhat.com>
1897
1898         * opt-functions.awk (var_set): Emit proper initializer for
1899         non-target bitfields.
1900
1901 2005-04-28  Devang Patel  <dpatel@apple.com>
1902
1903         * dbxout.c (have_used_extensions): Remove.
1904         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
1905         have_used_extensions.
1906         
1907 2005-04-28  James E Wilson  <wilson@specifixinc.com>
1908
1909         * doc/install.texi: Update -enable-languages info.  Correct path to
1910         html docs.
1911
1912 2005-04-28  DJ Delorie  <dj@redhat.com>
1913
1914         * optc-gen.awk (END): Make sure no variable is defined more
1915         than once.
1916         * opth-gen.awk (END): Allocate bits on a per-variable basis.
1917         Allow for bitfield variables other than target_flags.
1918         * doc/options.text (Mask): Document that you may specify a
1919         variable other than target_flags.
1920
1921 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
1922
1923         PR rtl-optimization/18877
1924         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
1925         number in val.start.
1926
1927 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
1928
1929         PR target/20813
1930         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
1931         MASK_PPC_GFXOPT.
1932         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
1933         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
1934         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
1935
1936 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
1937
1938         * arm.c (legitimize_pic_address): Fix sense of assertion test for
1939         creating pseudos when the base offset is too large.
1940
1941 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
1942
1943         * global.c (earlyclobber_regclass): Change the type to
1944         VEC(int,heap).
1945         (check_earlyclobber): Update uses of earlyclobber_regclass.
1946         (mark_reg_use_for_earlyclobber): Likewise.
1947         (calculate_local_reg_bb_info): Allocate and free
1948         earlyclobber_regclass using the VEC API.
1949
1950 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
1951
1952         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
1953         assert.
1954
1955 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
1956
1957         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
1958         (*targetm.foo).
1959
1960         * config.gcc: Obsolete c4x-* and tic4x-*.
1961
1962         * tree.h (edge_def): Remove.
1963
1964         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
1965         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
1966         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
1967         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
1968         where appropriate.
1969
1970         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
1971         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
1972         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
1973         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
1974         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
1975         machmode.def, mips-tfile.c, params.c, pretty-print.c,
1976         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
1977         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
1978         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
1979         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
1980         config/i386/cygming.h, config/i386/djgpp.h,
1981         config/i386/lynx.h, config/i386/netware.c,
1982         config/i386/winnt.c, config/ia64/ia64-c.c,
1983         config/iq2000/iq2000.c, config/m32r/little.h,
1984         config/m68k/m68k-protos.h, config/m68k/m68k.h,
1985         config/m68k/m68k.md, config/mcore/mcore.c,
1986         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
1987         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
1988         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
1989         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
1990         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
1991         config/pdp11/pdp11.h, config/rs6000/darwin.h,
1992         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
1993         config/s390/2064.md, config/s390/2084.md,
1994         config/s390/s390-modes.def, config/s390/s390-protos.h,
1995         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
1996         config/stormy16/stormy16.c, config/vax/vax-protos.h,
1997         config/vax/vax.c, config/vax/vax.h,
1998         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
1999         copyright.
2000
2001 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
2002
2003         * c-typeck.c (build_compound_expr): Correct logic in last change.
2004
2005 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
2006
2007         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
2008         parameters.  Replace conditional move code with assert checking for
2009         ar.lc.  Delete obsolete comments.
2010         (set_src_needs_barrier): Delete cond parameter, and code using it.
2011         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
2012         assert checking for PR_REGS.  Fix calls to update_set_flags and
2013         set_src_needs_barrier.
2014         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
2015         callers.  Rewrite explanatory comment before the function.
2016         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
2017         Fix all callers.
2018
2019 2005-04-27  Mike Stump  <mrs@apple.com>
2020
2021         * doc/cpp.texi: gcc now implements universal character names.
2022
2023 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
2024
2025         PR c/21159
2026         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
2027         being a compound expression whose right-hand side is cast to void.
2028
2029 2005-04-27  Caroline Tice  <ctice@apple.com>
2030
2031         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
2032         Remove targetm.have_named_sections test.
2033         (fix_edges_for_rarely_executed_code): Likewise.
2034         (insert_section_boundary_note): Likewise.
2035         (reorder_basic_blocks): Check partitioning flag before calling
2036         verify_hot_cold_block_grouping.
2037         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
2038         the function struct rather than global variables.
2039         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
2040         (COLD_END_LABEL): Likewise
2041         (cold_text_section_label): New static global variable.
2042         (cold_end_label): Likewise.
2043         (dwarf2out_switch_text_section): Get hot/cold section labels from
2044         the function struct rather than global variables; test to make sure
2045         cfun is defined.
2046         (output_aranges): Use cold_text_section_label and cold_end_label;
2047         check partitioning flag before putting out delta.
2048         (output_ranges): Remove incorrect code attempting to use
2049         hot/cold labels.
2050         (output_line_info): Get cold section label from function struct; test
2051         to make sure cfun is defined.
2052         (add_location_or_const_value_attribute): Likewise.
2053         (dwarf2out_var_location): Likewise.
2054         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
2055         write out cold_text_section_label if partition flag is set.
2056         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
2057         * function.h (struct function): Add new fields to point to hot/cold
2058         section labels: hot_section_label, cold_section_label,
2059         hot_section_end_label and cold_section_end_label; also add new field
2060         for cold text section name, unlikely_text_section_name.
2061         * opts.c (decode_options): Turn off partitioning flag if
2062         !targetm.have_named_sections.
2063         * output.h (hot_section_label): Remove.
2064         (hot_section_end_label): Remove.
2065         (cold_section_end_label): Remove.
2066         (unlikely_section_label): Remove.
2067         (unlikely_text_section_name): Remove.
2068         * passes.c (rest_of_handle_final):  Remove extra blank line.
2069         * varasm.c (unlikely_section_label): Remove.
2070         (hot_section_label): Remove.
2071         (hot_section_end_label): Remove.
2072         (cold_section_end_label): Remove.
2073         (unlikely_text_section_name):  Remove.
2074         (initialize_cold_section_name): Modify to call
2075         targetm.strip_name_encoding; to store cold section name in current
2076         function struct, if it exists; and to only use the decl_section_name
2077         if flag_named_sections is true.
2078         (unlikely_text_section): Modify to get section name out of current
2079         function struct, if there is one; otherwise build it from
2080         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
2081         (in_unlikely_text_section): Likewise.
2082         (named_section): Modify to get/put cold section name in current function
2083         struct, if there is one.
2084         (function_section):  Change 'bool unlikely' to 'int reloc'; check
2085         targetm.have_named_sections before calling named_section.
2086         (current_function_section): Likewise.
2087         (assemble_start_function): Modify to get/put unlikely_text_section_name
2088         in current function struct; modify to get hot/cold section labels
2089         from function struct; initialize labels using
2090         ASM_GENERATE_INTERNAL_LABEL;
2091         test partitioning flag before writing out hot section label.
2092         (assemble_end_function): Test partitioning flag before writing out
2093         hot/cold section labels.
2094         (default_section_type_flags_1):  Get cold text section name from
2095         function struct if there is one; Set flags correctly for
2096         cold text section if there is not a current function struct.
2097         
2098 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
2099
2100         * tree-ssa-propagate.c (set_rhs): Revert last change.
2101
2102 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
2103
2104         * explow.c (convert_memory_address): Add gcc_assert.
2105
2106 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
2107
2108         * configure.ac: Check for ld --sysroot support.
2109         * gcc.c: Document %R specifier for specs.
2110         (SYSROOT_SPEC): New macro.
2111         (sysroot_spec): New variable.
2112         (static_specs): Add sysroot_spec.
2113         (main): Pass the sysroot spec to the linker if appropriate.
2114         * configure: Regenerated.
2115         * config.in: Likewise.
2116
2117 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
2118
2119         * fold-const.c (fold_binary): Use build_fold_addr_expr
2120         for address calculation and INDIRECT_REF handling.
2121
2122 2005-04-27  Andrew Haley  <aph@redhat.com>
2123
2124         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
2125
2126 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2127
2128         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
2129         pointer when thumb backtracing is on.
2130
2131         * config/fp-bit.c (abort): Revert change.
2132
2133 2005-04-27  Ian Lance Taylor  <ian@airs.com>
2134
2135         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
2136
2137 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
2138
2139         * tree-ssa-dce.c: Fix a comment typo.
2140
2141 2005-04-27  David S. Miller  <davem@davemloft.net>
2142
2143         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
2144         Kill setjmpless_size.  current_function_calls_setjmp is completely
2145         computed when we are called, so just use the optimized size value
2146         instead of using REG_SAVE_AREA notes.
2147         (optimize_save_area_alloca): Delete....
2148         * rtl.h (optimize_save_area_alloca): Likewise...
2149         * passes.c (rest_of_compilation): and don't call it any more.
2150         * reg-notes.def (SAVE_AREA): Delete.
2151         
2152 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2153
2154         * config/fp-bit.c (abort): Add noreturn attribute.
2155
2156         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
2157         gcc_unreachable as appropriate.
2158         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
2159         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
2160         ASM_OUTPUT_REG_POP): Likewise.
2161
2162 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
2163
2164         * tree-complex.c (expand_vector_operations_1): Do not build
2165         VIEW_CONVERT_EXPR's for the lhs.
2166
2167 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2168
2169         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
2170         unnecessary noncanonical RTL handling.
2171         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
2172         gcc_assert and gcc_unreachable.
2173
2174         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
2175         gcc_unreachable as appropriate.
2176         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
2177         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
2178         use_return_insn, const_ok_for_op, arm_gen_constant,
2179         arm_canonicalize_comparison, legitimize_pic_address,
2180         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
2181         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
2182         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
2183         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
2184         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
2185         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
2186         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
2187         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
2188         output_call, output_mov_long_double_fpa_from_arm,
2189         output_mov_long_double_arm_from_fpa,
2190         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
2191         output_move_double, arithmetic_instr, shift_op, int_log2,
2192         output_return_instruction, arm_output_function_prologue,
2193         arm_output_epilogue, arm_output_function_epilogue,
2194         emit_multi_reg_push, arm_get_frame_offsets,
2195         arm_compute_initial_elimination_offset, arm_expand_prologue,
2196         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
2197         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
2198         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
2199         thumb_compute_initial_elimination_offset,
2200         thumb_output_function_prologue, thumb_load_double_from_address,
2201         thumb_output_move_mem_multiple, thumb_reload_out_hi,
2202         arm_emit_vector_const, arm_dbx_register_number): Likewise.
2203         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
2204         * config/arm/arm.md (thumb_extendhisi2,
2205         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
2206         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
2207         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
2208         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
2209         * config/arm/cirrus.md (*cirrus_arm_movdi,
2210         *cirrus_movdf_hard_insn): Likewise.
2211         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2212
2213 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
2214
2215         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
2216         (num_ssa_names): Use VEC_length.
2217         (ssa_names): Use VEC_index.
2218         * tree-ssanames.c (ssa_names): Change the type to
2219         VEC(tree,gc).
2220         (init_ssanames, fini_ssa_names, make_ssanames,
2221         release_ssa_name): Update uses of ssa_names.
2222
2223         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
2224         Use fold_buildN instead of fold (buildN (...)).
2225
2226 2005-04-27  Devang Patel <dpatel@apple.com>
2227
2228         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
2229
2230 2005-04-27  Matt Thomas <matt@3am-software.com>
2231             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
2232
2233         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
2234         (vax_output_mi_thunk): Ditto.
2235         (vax_notice_cc_update): Ditto.
2236         (INDEX_REGISTER_P): Add trailing \.
2237         (BASE_REGISTER_P): Add trailing \.
2238         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
2239
2240 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
2241
2242         * tree-ssa-propagate.c (set_rhs): Check operand of
2243         ADDR_EXPR for gimpliness, too.
2244
2245 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
2246
2247         * tree-ssa-pre.c: Fix a comment typo.
2248
2249 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
2250
2251         PR tree-optimization/21171
2252         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
2253         record address uses if the reference is volatile.
2254
2255 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
2256
2257         * tree-complex.c (expand_vector_operation): New, extracted from
2258         expand_vector_operations_1.
2259         (tree_vec_extract): Build a NOP_EXPR.
2260         (expand_vec_parallel): Do not care about returning the correct type.
2261         (expand_vector_operations_1): Call expand_vector_operation.
2262         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
2263
2264         * tree-complex.c (gate_expand_vector_operations): New.
2265         (pass_lower_vector_ssa): Use it.
2266         * tree-optimize.c (init_tree_optimization_passes): Include
2267         pass_lower_vector_ssa.
2268         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
2269         (vectorizable_operation): Use it.
2270         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
2271         integer modes for the vector type.
2272
2273         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
2274         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
2275         Do not cope with UNITS_PER_SIMD_WORD == 0.
2276         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
2277         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
2278         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
2279         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
2280         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
2281         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
2282         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
2283
2284         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
2285         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
2286         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
2287
2288         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
2289         (UNITS_PER_SIMD_WORD): New.
2290
2291 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2292
2293         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
2294         gcc_unreachable as appropriate.
2295         (ia64_expand_load_address, ia64_expand_tls_address,
2296         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
2297         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
2298         next_scratch_gr_reg, ia64_initial_elimination_offset,
2299         ia64_expand_prologue, ia64_expand_epilogue,
2300         ia64_output_dwarf_dtprel, ia64_print_operand,
2301         ia64_register_move_cost, first_instruction, rws_access_regno,
2302         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
2303         ia64_sched_init, ia64_variable_issue,
2304         ia64_first_cycle_multipass_dfs_lookahead_guard,
2305         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
2306         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
2307         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
2308         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
2309         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2310         * config/ia64/predicates.md (got_symbolic_operand,
2311         sdata_symbolic_operand): Likewise.
2312         * config/ia64/vect.md (vcondv2sf): Likewise.
2313
2314 2005-04-27  Matt Thomas <matt@3am-software.com>
2315
2316         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
2317         CONSTANT_ADDRESS_P in config/vax/vax.h
2318         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h. 
2319         (INDEX_REGISTER_P): New.
2320         (BASE_REGISTER_P): New.
2321         (indirectable_constant_address_p): New.  Adapted from
2322         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
2323         (indirectable_address_p): New.  Adapted from
2324         INDIRECTABLE_ADDRESS_P in vax.h.
2325         (nonindexed_address_p): New.  Adapted from
2326         GO_IF_NONINDEXED_ADDRESS in vax.h.
2327         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
2328         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
2329         (legitimate_address_p): New.  Adapted from
2330         GO_IF_LEGITIMATE_ADDRESS in vax.h.
2331         (vax_mode_dependent_address_p): New.  Adapted from
2332         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
2333         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
2334         legitimate_constant_address_p.
2335         (CONSTANT_P): Use legitimate_constant_p.
2336         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
2337         (INDIRECTABLE_ADDRESS_P): Removed.
2338         (GO_IF_NONINDEXED_ADDRESS): Removed.
2339         (INDEX_TEMP_P): Removed.
2340         (GO_IF_REG_PLUS_INDEX): Removed.
2341         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
2342         definitions, depending on whether REG_OK_STRICT is defined.
2343         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
2344         Two definitions, depending on whether REG_OK_STRICT is defined.
2345         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
2346         added.
2347         (legitimate_constant_p): Prototype added.
2348         (legitimate_address_p): Prototype added.
2349         (vax_mode_dependent_address_p): Prototype added.
2350
2351 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
2352
2353         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
2354
2355 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
2356
2357         PR c/21213
2358         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
2359         transparent union.
2360
2361 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
2362
2363         PR c/20740
2364         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
2365         assertion failures, if __gcc_host_wide_int__ is not properly
2366         defined.
2367         (init_dynamic_diag_info): Give errors, not assertion failures, if
2368         location_t, tree or __gcc_host_wide_int__ are not properly
2369         defined.
2370
2371 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
2372
2373         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
2374         n_iv_uses, iv_use, n_iv_cands, iv_cand,
2375         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
2376         prepare_decl_rtl, free_loop_data,
2377         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
2378         VARRAY.
2379
2380         * tree.h (tree_phi_node): Add a comment about the order of PHI
2381         arguments.
2382
2383 2005-04-26  Paul Brook  <paul@codesourcery.com>
2384
2385         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
2386
2387 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
2388
2389         * config/mips.mips.c (mips_legitimize_tls_address): Use
2390         gcc_unreachable.
2391
2392         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
2393         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
2394         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
2395
2396         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
2397         'abort'.
2398
2399 2005-04-26  Jeff Law  <law@redhat.com>
2400
2401         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
2402         (op_iter_init_must_and_may_def): Likewise.
2403         (unmodifiable_var_p): Move to a later point in the file.
2404         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
2405         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
2406         (dse_record_phis): Directly check for virtual operands rather than
2407         using need_imm_uses_for.
2408         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
2409         store has multiple V_{MAY,MUST}_DEF operands.
2410
2411 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
2412
2413         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
2414         stmt.
2415
2416 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
2417
2418         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
2419         call to find_edge outside a loop to go through a PHI chain.
2420
2421 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
2422
2423         PR tree-optimization/17598
2424         * fold-const.c (fold_binary): Fold comparisons of addresses
2425         of COMPONENT_REFs which reference the same field to
2426         comparisons of the addresses of the base objects.
2427
2428 2005-04-26  Julian Brown  <julian@codesourcery.com>
2429
2430         * config/arm/arm.c (arm_return_in_msb): New function.
2431         (arm_must_pass_in_stack): New function.
2432         (TARGET_RETURN_IN_MSB): Define target hook.
2433         (TARGET_MUST_PASS_IN_STACK): Define target hook.
2434         (arm_function_value): Pad small aggregate return.
2435         (arm_pad_arg_upward): New function.
2436         (arm_pad_reg_upward): New function.
2437         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
2438         (FUNCTION_ARG_PADDING): Define macro.
2439         (BLOCK_REG_PADDING): Define macro.
2440         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
2441         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
2442         (arm_pad_reg_upward): Declare function.
2443
2444 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
2445
2446         * basic-block.h (ei_cond): New.
2447         (FOR_EACH_EDGE): Call ei_cond.
2448
2449         PR tree-optimization/21047
2450         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
2451         (fold): Don't handle ASSERT_EXPR.
2452
2453 2005-04-25  Roger Sayle  <roger@eyesopen.com>
2454
2455         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
2456         all writes to any stack register as a read/write dependency on
2457         FIRST_STACK_REG.
2458         (sched_analyze_2): Likewise, for reads from any stack register.
2459
2460 2005-04-25  Richard Henderson  <rth@redhat.com>
2461
2462         * final.c (output_addr_const): Revert 2005-04-09 change.
2463
2464 2005-04-25  Mike Stump  <mrs@apple.com>
2465
2466         * config/darwin.c (darwin_encode_section_info): Always set
2467         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
2468
2469 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2470
2471         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
2472         gensupport.c, protoize.c, toplev.c: Replace calls to
2473         `unlock_stream' with `unlock_std_streams'.
2474
2475 2005-04-25  Devang Patel <dpatel@apple.com>
2476
2477         * dbxout.c (dbxout_type): Emit attribute vector.
2478         
2479 2005-04-05  Paul Brook  <paul@codesourcery.com>
2480
2481         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
2482         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
2483         * config/arm/arm.c (arm_cxx_atexit_name): New function.
2484         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
2485         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
2486         (register_dtor_fn): Likewise.
2487         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
2488
2489 2005-04-25  Ian Lance Taylor  <ian@airs.com>
2490
2491         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
2492         * c-common.h (EXPR_STMT_EXPR): Don't define.
2493         (c_common_stmt_codes): Don't define.
2494         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
2495         * c-gimplify.c (gimplify_expr_stmt): Remove.
2496         (c_gimplify_expr): Remove EXPR_STMT case.
2497         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
2498         to INIT_STATEMENT_CODES.
2499         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
2500
2501 2005-04-25  Jan Hubicka  <jh@suse.cz>
2502
2503         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
2504
2505         * except.c: Include diagnostic.h
2506         (dump_eh_tree, verify_eh_tree): New functions.
2507         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
2508         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
2509         (dump_function_to_file): dump eh tree.
2510         * tree-eh.c (mark_eh_edge): New function.
2511         (mark_eh_edge_found_error): New static variable.
2512         (verify_eh_edges): New function.
2513
2514 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
2515
2516         * tree-ssa-alias.c (fieldoff_t): Remove.
2517         (fieldoff_s): typedef the structure itself.  Create a vector of
2518         objects.
2519         (push_fields_onto_fieldstack): Return count of fields pushed.
2520         Remove peeling of first field.  Adjust.
2521         (fieldoff_compare): Adjust.
2522         (create_overlap_variables_for): Adjust.
2523
2524 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
2525
2526         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
2527
2528 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
2529
2530         PR bootstrap/21215
2531         * doc/install.texi: Document correct assembler and linker to use
2532         on i?86-*-solaris2.10.
2533
2534 2005-04-25  Steven Bosscher  <stevenb@suse.de>
2535
2536         Fix PR tree-optimization/21173
2537
2538         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
2539         Unshare expression we pass to force_gimple_operand.
2540
2541 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
2542             Stephen Clarke <stevec@superh.com>
2543             Roger Sayle <roger@eyesopen.com>
2544
2545         PR rtl-optimization/20413
2546         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
2547         VOIDmode for LABEL_REF.
2548         * final.c (shorten_branches): Likewise.
2549         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
2550         * loop.c (reg_dead_after_loop): Likewise.
2551         * varasm.c (decode_addr_const): Likewise.
2552         * doc/rtl.texi: Document mode requirement for LABEL_REF.
2553
2554 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
2555
2556         * config.gcc (avr-*-*): Remove redundant "case".
2557
2558 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
2559
2560         * tree-vect-analyze.c (vect_mark_relevant): Take
2561         VEC(tree,heap) instead of varray_type as an argument.
2562         (vect_mark_stmts_to_be_vectorized): Change the type of
2563         worklist to VEC(tree,heap).  Adjust uses of worklist.
2564
2565 2005-04-24  Devang Patel  <dpatel@apple.com>
2566
2567         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
2568         
2569 2005-04-24  Ian Lance Taylor  <ian@airs.com>
2570
2571         * c-semantics.c (build_stmt): Remove test of specific tree codes
2572         for TREE_SIDE_EFFECTS handling.
2573
2574 2005-04-24  Per Bothner  <per@bothner.com>
2575
2576         * c-opts.c (finish_options):  Make the line-number of the <built-in>
2577         location 0, as assumed elsewhere, rather than 1.
2578
2579 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
2580
2581         * tree-ssa-uncprop.c (equiv_stack): Change the type o
2582         VEC(tree,heap).
2583         (tree_ssa_uncprop, uncprop_finalize_block,
2584         uncprop_initialize_block): Update uses of equiv_stack.
2585
2586 2005-04-24  Richard Henderson  <rth@redhat.com>
2587
2588         PR rtl-opt/21163
2589         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
2590         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
2591         constm1_rtx.
2592         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
2593         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
2594         <DIV, MOD>: Likewise.
2595
2596 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2597
2598         * collect2.c (main): Unlock the stdio streams.
2599         * gcc.c (main): Likewise.
2600         * gcov-dump.c (main): Likewise.
2601         * gcov.c (main): Likewise.
2602         * gen-protos.c (main): Likewise.
2603         * gensupport.c (init_md_reader_args_cb): Likewise.
2604         * protoize.c (main): Likewise.
2605         * toplev.c (general_init): Likewise.
2606
2607 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
2608
2609         PR middle-end/20991
2610         * cgraph.h (cgraph_local_info): Add vtable_method field.
2611         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
2612         and node is vtable_method, finalized and not reachable, don't do
2613         anything.
2614
2615 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
2616
2617         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
2618         COMPARISON_CLASS_P.
2619         * tree-ssa-pre.c (create_value_expr_from): Use
2620         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
2621         * tree-ssa-propagate.c (stmt_makes_single_load,
2622         stmt_makes_single_store): Use REFERENCE_CLASS_P.
2623         * tree-vect-transform.c (vect_is_simple_cond): Use
2624         COMPARISON_CLASS_P.
2625         * tree-vrp.c (extract_range_from_assert,
2626         build_assert_expr_for, fp_predicate, has_assert_expr): Use
2627         COMPARISON_CLASS_P.
2628
2629         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
2630         of tpa_to_clear to VEC(int,heap).  Update uses of
2631         tpa_to_clear.  Free tpa_to_clear at the end.
2632
2633 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
2634
2635         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
2636         function decl.
2637
2638 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
2639
2640         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
2641         and gcc_unreachable as appropriate.
2642         (num_insns_constant, output_vec_const_move,
2643         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
2644         rs6000_emit_set_const, rs6000_emit_move,
2645         spe_build_register_parallel, function_arg,
2646         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
2647         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
2648         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
2649         rs6000_common_init_builtins, expand_block_clear,
2650         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
2651         extract_ME, rs6000_get_some_local_dynamic_name,
2652         rs6000_output_function_entry, print_operand,
2653         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
2654         output_cbranch, output_e500_flip_gt_bit,
2655         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
2656         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
2657         compute_save_world_info, rs6000_stack_info,
2658         rs6000_emit_load_toc_table, rs6000_frame_related,
2659         spe_synthesize_frame_save, rs6000_emit_epilogue,
2660         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
2661         output_function_profiler, rs6000_trampoline_size,
2662         rs6000_initialize_trampoline, find_addr_reg,
2663         rs6000_machopic_legitimize_pic_address,
2664         rs6000_initial_elimination_offset,
2665         rs6000_dbx_register_number): Likewise.
2666         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
2667         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
2668         *movti_power, *movti_string, call, call_value, sibcall,
2669         sibcall_value): Likewise.
2670         * config/rs6000/spe.md (*movdf_e500_double,
2671         *movv2si_internal): Likewise.
2672         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
2673         from comment.
2674
2675 2005-04-24  Richard Henderson  <rth@redhat.com>
2676
2677         PR target/21101
2678         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
2679         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
2680         Deny modes smaller than 4 bytes.
2681         * config/i386/i386-protos.h: Update.
2682
2683 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
2684
2685         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
2686         Switch h8300-*-rtems* to ELF.
2687
2688 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
2689
2690         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
2691
2692 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
2693
2694         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
2695
2696 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
2697
2698         PR middle-end/21082
2699         * fold-const.c: Fold &a[i]-&a[j] to i-j.
2700
2701 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
2702
2703         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
2704         definitions of ssa names in condition.  Split recusive part to ...
2705         (tree_simplify_using_condition_1): New function.
2706         (expand_simple_operations): New function.
2707
2708 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
2709
2710         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
2711         (find_interesting_uses_cond): Do not use integer_zerop and
2712         integer_nonzerop to check for integer constants.
2713         (set_use_iv_cost): Record the value field.
2714         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
2715         determine_use_iv_cost_outer): Set the value field of the cost pair.
2716         (may_eliminate_iv): Do not return the comparison code.
2717         (iv_elimination_compare): New function.
2718         (determine_use_iv_cost_condition): Set the value field.  Record
2719         noneliminable invariants correctly.
2720         (rewrite_use_compare, rewrite_use_outer): Use the value field.
2721
2722 2005-04-23  DJ Delorie  <dj@redhat.com>
2723
2724         * diagnostic.c (warning): Accept parameter to classify warning option.
2725         (warning0): New, for when a pointer to an error() like function is needed.
2726         * errors.c (warning): Likewise.
2727         * errors.h (warning, warning0): Adjust prototypes.
2728         * toplev.h (warning, warning0): Likewise.
2729
2730         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
2731         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
2732         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
2733         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
2734         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
2735         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
2736         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
2737         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
2738
2739         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
2740         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
2741         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
2742         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
2743         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
2744         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
2745         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
2746         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
2747         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
2748         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
2749         config/rs6000/aix52.h, config/rs6000/darwin.h,
2750         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
2751         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2752         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
2753         config/stormy16/stormy16.c, config/v850/v850-c.c,
2754         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
2755         callers.
2756         
2757 2005-04-23  Richard Henderson  <rth@redhat.com>
2758
2759         PR rtl-opt/21102
2760         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
2761         performing some integral scalar simplifications.
2762
2763 2005-04-23  Richard Henderson  <rth@redhat.com>
2764
2765         PR target/21099
2766         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
2767         simplifying CONST_VECTOR.
2768
2769 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
2770
2771         * tree-ssa-live.c (live_worklist): Take a stack allocated on
2772         heap as an argument.  Update uses of stack.
2773         (calculate_live_on_entry): Allocate stack on heap.
2774
2775         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
2776         partition_link and tpa_nodes on heap.
2777
2778         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
2779         (mark_stmt_necessary, propagate_necessity,
2780         mark_really_necessary_kill_operand_phis): Update uses of
2781         worklist.
2782         (tree_dce_init): Allocate worklist using VEC_alloc.
2783         (tree_dce_done): Free worklist using VEC_free.
2784
2785 2005-04-23  Mike Stump  <mrs@apple.com>
2786
2787         * config/darwin.c (machopic_indirection_name): Don't use
2788         quotes needlessly.
2789         (darwin_emit_unwind_label): Use user_label_prefix instead of
2790         "_".
2791
2792 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
2793
2794         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
2795
2796 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
2797
2798         * config.gcc <cris-*>: Specify .opt files.
2799         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
2800         config/cris/linux.opt: New files.
2801         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
2802         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
2803         (TARGET_ELF): Override to 0.
2804         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
2805         -melinux-stacksize=N.
2806         * config/cris/cris.c: (cris_handle_option): New function.
2807         (TARGET_DEFAULT_TARGET_FLAGS): Override.
2808         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
2809         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
2810         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
2811         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
2812         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
2813         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
2814         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
2815         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
2816         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
2817         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
2818         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
2819         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
2820         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
2821         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
2822         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
2823         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
2824         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
2825         (TARGET_LINUX): Define 0.
2826         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
2827         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
2828         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
2829         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
2830         (TARGET_LINUX): Override to 1.
2831         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
2832
2833 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
2834
2835         * haifa-sched.c (schedule_block): Fix thinko in previous
2836         assertification patch.
2837
2838 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
2839
2840         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
2841         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
2842         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
2843         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
2844         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
2845         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
2846         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
2847         for hpux11.[1-9]*.
2848         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
2849         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
2850         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
2851         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
2852         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
2853         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
2854         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
2855         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
2856         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
2857         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
2858         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
2859         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
2860         (SUBTARGET_OPTIONS): Delete.
2861         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
2862         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
2863         instead of a string.
2864         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
2865         (pa_cpu_string, pa_unix_string): Delete.
2866         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
2867         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
2868         TARGET_HPUX_10_10.
2869         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2870         (pa_handle_option): New function.
2871         (override_options): Remove handling of -march=, -mfixed-range=,
2872         -mschedule= and -munix=.
2873         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
2874         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
2875         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
2876         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
2877         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
2878         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
2879         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
2880         redefining.
2881         * config/pa/pa.opt: New file.
2882         * config/pa/pa-hpux.opt: New file.
2883         * config/pa/pa-hpux1010.opt: New file.
2884         * config/pa/pa-hpux1111.opt: New file.
2885         * config/pa/pa64-hpux.opt: New file.
2886
2887 2005-04-22  David S. Miller  <davem@davemloft.net>
2888
2889         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
2890         integer when it's mode is VOIDmode not DImode.
2891
2892 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
2893
2894         * config/rs6000/rs6000.md (sync_add<mode>_internal,
2895         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
2896         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
2897         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
2898         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
2899         "bne- $-xxx" rather than local labels.
2900         (sync_lock_release<mode>): Add second operand.
2901         (lwsync): Use .long rather than a more meaningful opcode.
2902         * doc/md.texi (Standard Names): Add description of second
2903         parameter to sync_lock_test_and_set.
2904
2905 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
2906
2907         PR tree-optimization/21088
2908         * fold-const.c (fold_unary, fold_binary, fold_ternary):
2909         Export.
2910         * tree-vrp.c (compare_values): Use fold_binary to compare
2911         pointers.  Use boolean_type_node as the type of a comparison
2912         expression being folded.
2913         * tree.h: Add prototypes for fold_unary, fold_binary,
2914         fold_ternary.
2915
2916         * tree-ssa-dom.c: Fix formatting.
2917
2918 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
2919
2920         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
2921         * lambda-code.c (perfect_nestify): Mark virtual operands in
2922         the moved statement for renaming.
2923         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
2924         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
2925         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
2926         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
2927         * tree-flow.h (struct var_ann_d): Update comments.
2928         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
2929         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
2930         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
2931         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
2932         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
2933         debug_names_replaced_by): Remove declarations.
2934         (delete_update_ssa, get_current_def, set_current_def): Declare.
2935         (rewrite_into_loop_closed_ssa): Add new argument.  Update
2936         all callers.
2937         * tree-into-ssa.c: Include params.h.
2938         (old_virtual_ssa_names): Remove.  Update all users.
2939         (need_to_replace_names_p): Remove.  Update all users.
2940         (struct update_ssa_stats_d): Declare.
2941         (update_ssa_stats): New local.
2942         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
2943         dump_tree_ssa_stats, debug_tree_ssa_stats,
2944         dump_update_ssa, debug_update_ssa,
2945         dump_names_replaced_by, debug_names_replaced_by): Declare.
2946         (get_current_def, set current_def): Make extern.
2947         (is_old_name, is_new_name): Protect against references
2948         past the end of the sets.
2949         (add_new_name_mapping): Assert that OLD and NEW are
2950         different SSA names for the same symbol.
2951         When adding a virtual mapping, update stats for virtual
2952         mapping heuristic.
2953         (insert_phi_nodes_for): If UPDATE_P is true, create the
2954         LHS of the new PHI by duplicating SSA name VAR.
2955         (insert_phi_nodes_1): Remove.  Update all users.
2956         (insert_phi_nodes): Remove second argument.  Update all
2957         users.
2958         (maybe_replace_use, maybe_replace_def): New.
2959         (rewrite_update_stmt): Call them.
2960         (mark_def_interesting): Remove calls to is_gimple_reg.
2961         (prepare_phi_args_for_update): Remove.  Update all users.
2962         (prepare_block_for_update): Only process virtual operands
2963         and GIMPLE registers in normal form.
2964         (prepare_use_sites_for): New.
2965         (prepare_names_to_update): Rename from prepare_def_sites.
2966         Call prepare_use_sites_for.
2967         (dump_update_ssa): Rename from dump_repl_tbl.
2968         Update all users.
2969         Show statistics for virtual mapping heuristic.
2970         (debug_update_ssa): Rename from debug_debug_repl_tbl.
2971         (init_update_ssa): Initialize UPDATE_SSA_STATS.
2972         (delete_update_ssa): Make extern.
2973         (mark_set_for_renaming): If the set is empty, do nothing.
2974         (release_ssa_name_after_update_ssa): Update comment.
2975         (insert_updated_phi_nodes_for): Do not remove existing
2976         PHI nodes for symbols.
2977         (switch_virtuals_to_full_rewrite_p): New.
2978         (switch_virtuals_to_full_rewrite): New.
2979         (update_ssa): Call them.
2980         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
2981         for every statement before updating.
2982         If all the names in NEW_SSA_NAMES have been marked for
2983         removal, do nothing.
2984         Only start at the top of the CFG if there are symbols in
2985         SYMS_TO_RENAME.
2986         (ssa_rewrite_finalize_block): Remove.
2987         (ssa_register_new_def): Remove.
2988         (ssa_rewrite_stmt): Remove.
2989         (ssa_rewrite_phi_arguments): Remove.
2990         (ssa_rewrite_initialize_block): Remove.
2991         (ssa_mark_def_sites): Remove.
2992         (ssa_mark_def_sites_initialize_block): Remove.
2993         (ssa_mark_phi_uses): Remove.
2994         (rewrite_ssa_into_ssa): Remove.
2995         * tree-phinodes.c (find_phi_node_for): Remove.
2996         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
2997         Call update_ssa.
2998         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
2999         Remove calls to verify_dominators and
3000         verify_loop_structure.
3001         (tree_unswitch_single_loop): Call update_ssa.
3002         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
3003         returns false.
3004         Call verify_stmts.
3005         (delete_tree_ssa): Assert that need_ssa_update_p returns
3006         false.
3007         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
3008         * tree-vectorizer.c (allocate_new_names, rename_def_op,
3009         free_new_names): Remove.  Update all users.
3010         (rename_use_op): Call get_current_def.
3011         (rename_variables_in_bb): Do not handle any real or
3012         virtual definition.
3013         (slpeel_update_phis_for_duplicate_loop): Call
3014         get_current_def and set_current_def instead of using
3015         SSA_NAME_AUX.
3016         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
3017         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
3018         ssa_names_to_replace and delete_update_ssa.
3019         * doc/invoke.texi: Document --param min-virtual-mappings
3020         and --param virtual-mappings-ratio.
3021
3022 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
3023
3024         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
3025         for newly created PHI nodes.
3026         Call create_new_def_for for every new V_MAY_DEF and
3027         V_MUST_DEF on the copied statement.
3028         (struct ssa_name_map_entry): Remove.
3029         (ssa_name_map_entry_hash): Remove.
3030         (ssa_name_map_entry_eq): Remove.
3031         (allocate_ssa_names): Remove.
3032         (rewrite_to_new_ssa_names_def): Remove.
3033         (rewrite_to_new_ssa_names_use): Remove.
3034         (rewrite_to_new_ssa_names_bb): Remove.
3035         (rewrite_to_new_ssa_names): Remove.
3036         (tree_duplicate_sese_region): Remove variables ver,
3037         definitions, phi, ssa_name_map and bi.
3038         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
3039         Call update_ssa.
3040         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
3041         update_ssa instead of rewrite_ssa_into_ssa.
3042         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
3043         create_new_def_for.
3044         (find_uses_to_rename_use): Add argument 'need_phis'.
3045         (find_uses_to_rename_stmt): Do not scan virtual operands.
3046         (find_uses_to_rename): Only scan PHI nodes for
3047         non-virtual names.
3048         (rewrite_into_loop_closed_ssa): Call update_ssa.
3049         (check_loop_closed_ssa_use): Ignore virtual operands.
3050         (check_loop_closed_ssa_stmt): Likewise.
3051         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
3052         NULL.
3053         (rename_variables, set_phi_def_stmts): Remove.
3054         (tree_duplicate_loop_to_header_edge): Reformat comment.
3055         Remove variables BB, I and DEFINITIONS.
3056         Call need_ssa_update_p.
3057         Call update_ssa.
3058         (lv_adjust_loop_header_phi): Reformat comment.
3059         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
3060         (marked_for_rewrite_p, any_marked_for_rewrite_p,
3061         mark_for_rewrite, unmark_all_for_rewrite,
3062         marked_ssa_names): Remove.  Update all users.
3063         (release_ssa_name): If VAR has been registered for SSA
3064         updating, do nothing.
3065         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
3066         (build_assert_expr_for): Call register_new_name_mapping.
3067         (insert_range_assertions): Update call to update_ssa.
3068         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
3069         marked_for_rewrite_p, any_marked_for_rewrite_p,
3070         marked_ssa_names): Remove.
3071
3072 2005-04-22  Jeff Law  <law@redhat.com>
3073
3074         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
3075         (restore_currdefs_to_original_value): Likewise.
3076         (register_definitions_for_stmt): Likewise.
3077         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
3078         for each variable.  Do not allocate/free block_defs_stack either.
3079         Do not iterate if we just thread jumps.  Only iterate if the
3080         tree_cleanup_cfg does useful work (temporary).
3081         (dom_opt_initialize_block): No longer push a marker on
3082         BLOCK_DEFS_STACK.
3083         (dom_opt_finalize_block): Removal call to restore currdefs.
3084         Relax restrictions for recording edge equivalences.
3085         (record_equivalences_from_phis): No longer need to track
3086         CURRENT_DEF.
3087         (optimize_stmt): Similarly.
3088         (thread_across_edge): Simplify by removing the requirement that
3089         statements in the block we are threading through must be nops.
3090         (initialize_hash_element): Handle GOTO_EXPR.
3091
3092 2005-04-22  David S. Miller  <davem@davemloft.net>
3093
3094         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
3095         CONST_DOUBLE_HIGH.
3096         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
3097         fix check on CONST_DOUBLE mode.  It should be VOIDmode
3098         when it is representing an integer.
3099
3100 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3101
3102         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
3103         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
3104         * c-format.c (get_constant, decode_format_attr, get_flag_spec, 
3105         find_char_info_specifier_index,
3106         find_length_info_modifier_index): Likewise.
3107         * c-typeck.c (composite_type, pop_init_level): Likewise.
3108         * combine.c (cant_combine_insn_p, try_combine): Likewise.
3109         * cse.c (cse_insn): Likewise
3110         * dominance.c (calc_dfs_tree): Likewise
3111         dwarf2out.c (loc_descriptor_from_tree_1,
3112         add_abstract_origin_attribute, force_decl_die,
3113         force_type_die): Likewise
3114         emit-rtl.c (operand_subword_force): Likewise
3115         explow.c (hard_function_value): Likewise
3116         expmed.c (store_bit_field, expand_divmod,
3117         emit_store_flag_force): Likewise
3118         expr.c (emit_move_multi_word, store_expr,
3119         expand_expr_real_1): Likewise
3120         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
3121         output_operand): Likewise
3122         flow.c (recompute_reg_usage): Likewise
3123         * function.c (assign_stack_temp_for_type, assign_temp, 
3124         handle_epilogue_set): Likewise
3125         * genextract.c (main): Likewise
3126         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
3127         gimplify_modify_expr_rhs, gimplify_expr): Likewise
3128         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
3129         ready_remove, rm_line_notes, rm_other_notes,
3130         schedule_block): Likewise
3131         mips-tfile.c (copy_object, out_of_bounds): Likewise
3132
3133 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
3134
3135         PR target/20813
3136         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
3137         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
3138         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
3139         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
3140         TARGET_XL_COMPAT.
3141         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
3142
3143 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3144
3145         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
3146         (gcc_tree_to_linear_expression): Convert to heap allocated
3147         vectors.
3148         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
3149         lbv_to_gcc_expression, lle_to_gcc_expression,
3150         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest, 
3151         perfect_nestify): Likewise.
3152         lambda.h (gcc_loopnest_to_lambda_loopnest,
3153         lambda_loopnest_to_gcc_loopnest): Likewise.
3154         tree-loop-linear.c (linear_transform_loops): Likewise.
3155
3156 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
3157
3158         * config/sparc/predicates.md (arith_double_operand): Use
3159         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
3160         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
3161         (DImode, DFmode constant splitters): Likewise.  Remove code for
3162         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
3163         (logical constant splitters): Use const_int_operand predicate.
3164         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
3165         HOST_BITS_PER_WIDE_INT < 64.
3166
3167 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3168
3169         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
3170         gcc_unreachable as appropriate.
3171         (force_mode, emit_move_sequence, singlemove_string,
3172         output_move_double, output_fp_move_double, find_addr_reg,
3173         output_block_move, output_block_clear, output_and,
3174         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
3175         pa_adjust_cost, pa_issue_rate, print_operand,
3176         output_global_address, output_arg_descriptor, output_cbranch,
3177         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
3178         output_call): Likewise.
3179         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
3180         prefetch, prefetch_cc, prefetch_nocc): Likewise.
3181
3182 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
3183
3184         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
3185         _gcov_pow2_profiler and _gcov_one_value_profiler.
3186         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
3187         (GTFILES): Add $(srcdir)/tree-profile.c.
3188         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
3189         __gcov_one_value_profiler): Declare.
3190         * gimplify.c (force_gimple_operand): Check whether the statements
3191         should be produced in ssa form.
3192         (force_gimple_operand_bsi): New function.
3193         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
3194         __gcov_one_value_profiler): New functions.
3195         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
3196         the profiled value is a power of two or not.
3197         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
3198         * tree-flow.h (in_ssa_p): Declare.
3199         (force_gimple_operand_bsi): Declare.
3200         * tree-into-ssa.c (in_ssa_p): New variable.
3201         (rewrite_into_ssa): Set in_ssa_p.
3202         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
3203         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
3204         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
3205         tree_one_value_profiler_fn): New variables.
3206         (tree_init_edge_profiler): Initialize the profiler function decls.
3207         (tree_gen_edge_profiler): Use global gcov_type_node.
3208         (prepare_instrumented_value): New function.
3209         (tree_gen_interval_profiler, tree_gen_interval_profiler,
3210         tree_gen_one_value_profiler): Call the library functions instead of
3211         creating instrumentation code.
3212         * tree.c (build_fn_decl): New function.
3213         * tree.h (build_fn_decl): Declare.
3214         * value-prof.c (rtl_divmod_values_to_profile,
3215         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
3216         tree_mod_pow2_value_transform, tree_find_values_to_profile):
3217         Do not handle may_be_other and precise values of exponents at pow2
3218         profiler.
3219         (tree_mod_subtract_transform): Reflect that value field of
3220         histogram has changed meaning.
3221         (tree_divmod_values_to_profile): Record the values correctly.
3222         (tree_values_to_profile): Update comment.
3223         * value-prof.h (struct histogram_value_t): Remove pow2 data.
3224
3225 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
3226
3227         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
3228         (decl).
3229
3230 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
3231
3232         * config/i386/i386.md (length_immediate): Use gcc_assert or
3233         gcc_unreachable, as appropriate.
3234         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
3235         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
3236         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
3237         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
3238         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
3239         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
3240         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
3241         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
3242         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
3243         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
3244         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
3245         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
3246         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
3247         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
3248         *prefetch_sse_rex): Likewise.
3249         * config/i386/predicates.md (x86_64_immediate_operand,
3250         x86_64_zext_immediate_operand, symbolic_operand,
3251         no_seg_address_operand, aligned_operand,
3252         memory_displacement_operand): Likewise.
3253         * config/i386/sse.md (*mov<mode>_internal,
3254         *movv2df_internal): Likewise.
3255
3256 2005-04-22  Jan Hubicka  <jh@suse.cz>
3257
3258         * Makefile.in (ipa.o, ipa-inline.o): New files.
3259         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
3260         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
3261         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
3262         * cgraphunit.c (cgraph_default_inline_p,
3263         cgraph_decide_inlining_incrementally,  ncalls_inlined,
3264         nfunctions_inlined, initial_insns, overall_insns, 
3265         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
3266         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
3267         cgraph_mark_inline, cgraph_check_inline_limits,
3268         cgraph_default_inline_p, cgraph_recursive_inlining_p,
3269         update_callee_keys, lookup_recursive_calls,
3270         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
3271         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
3272         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
3273         pass_ipa_inline): Move to ipa-inline.c
3274         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
3275         * ipa.c: New file.
3276         * ipa-inline.c: New file.
3277
3278 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
3279
3280         * doc/invoke.texi (SPARC options): Document that -mapp-regs
3281         is turned off by default on Solaris.
3282
3283 2005-04-21  Roger Sayle  <roger@eyesopen.com>
3284
3285         * c-common.h (objc_build_method_signature): Update prototype.
3286         * stub-objc.c (objc_build_method_signature): Update the stub
3287         implementation to accept and ignore additional parameter.
3288         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
3289         the value of ellipsis to objc_build_method_signature instead
3290         of setting TREE_OVERFLOW on the parms TREE_LIST node.
3291
3292 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
3293
3294         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
3295         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
3296         gen_rtx_* not gen_rtx_fmt_*.
3297         (rs6000_emit_vector_select): Likewise.
3298         (rs6000_emit_sync): New.
3299         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
3300         (larx, stcx, cmp): New mode substitutions.
3301         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
3302         UNSPEC_ISYNC): New constants.
3303         (rlwinm): Give name.
3304         (memory_barrier, isync, lwsync): New insns.
3305         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
3306         (sync_lock_release<mode>): New expander.
3307         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
3308         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
3309         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
3310         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
3311         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
3312         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
3313         (sync_add<mode>_internal, sync_addshort_internal,
3314         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
3315         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
3316         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
3317
3318         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
3319         is the memory before, not after, the operation.  Clarify
3320         barrier requirements.
3321
3322 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3323
3324         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
3325         * lambda.h (lambda_vector_min_nz): Likewise.
3326         * langhooks.h (struct lang_hooks_for_types,
3327         struct lang_hooks): Likewise.
3328         * output.h (assemble_integer, this_is_asm_operands): Likewise.
3329         * tree.h: Likewise.
3330         * vec.h: Likewise.
3331         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
3332         
3333         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
3334         comments to avoid 'abort'.  Use gcc_assert as necessary.
3335         * opts.c (common_handle_option): Likewise.
3336         * pretty-print.c (pp_base_format_text): Likewise.
3337         * print-rtl.c (print_rtx): Likewise.
3338         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
3339         * regmove.c (try_auto_increment): Likewise.
3340         * reload.c (find_valid_class, find_reloads_toplev,
3341         find_equiv_reg): Likewise.
3342         * reload1.c (reload, forget_old_reloads_1, function_invariant_p, 
3343         merge_assigned_reloads): Likewise.
3344         * tree-inline.c (inline_forbidden_p_1,
3345         estimate_num_insns_1): Likewise.
3346         * tree-optimize.c (execute_todo): Likewise.
3347         * tree-outof-ssa.c (eliminate_phi): Likewise.
3348         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
3349         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
3350         * tree-ssa-operands.c (parse_ssa_operands,
3351         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
3352         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
3353         * tree-ssanames.c (release_ssa_name): Likewise.
3354         * tree.c (int_bit_position, int_byte_position, tree_low_cst, 
3355         walk_tree): Likewise.
3356
3357         * tree-ssa-operands.c (verify_abort): Fold into ..
3358         (verify_imm_links): ... here.
3359
3360 2005-04-21  Richard Henderson  <rth@redhat.com>
3361
3362         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
3363         on non-memory operand for previous inversion.
3364
3365 2005-04-21  Devang Patel  <dpatel@apple.com>
3366
3367         PR optimization/20994
3368         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
3369         x = !(a == b) : p , q;.
3370         (pass_if_conversion): Verify stmts and flow.
3371         
3372 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3373
3374         * optabs.c (gen_conditional_trap): Restore #define.
3375
3376         * alias.c (true_dependence): Remove 'abort' from comments. Use
3377         gcc_assert and gcc_unreachable as appropriate.
3378         (canon_true_dependence): Likewise.
3379         * bb-reorder.c (connect_traces): Likewise.
3380         * c-common.c (c_add_case_label): Likewise.
3381         * c-decl.c (finish_function): Likewise.
3382         * caller-save.c (insert_restore, insert_save): Likewise.
3383         * cfg.c (update_bb_profile_for_threading): Likewise.
3384         * cfganal.c (flow_active_insn_p): Likewise.
3385         * cfgexpand.c (add_reg_br_prob_note): Likewise.
3386         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
3387         cfg_layout_merge_blocks): Likewise.
3388         * ifcvt.c (cond_exec_process_insns, merge_if_block,
3389         find_if_block): Likewise.
3390         * integrate.c (allocate_initial_values): Likewise.
3391         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
3392         swap_condition, unsigned_condition, signed_condition,
3393         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
3394         reg_or_subregno): Likewise.
3395         * lambda-code.c (lambda_compute_auxillary_space,
3396         lambda_transform_legal_p): Likewise.
3397         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
3398         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
3399         lhd_incomplete_type_error, lhd_expand_expr,
3400         lhd_types_compatible_p, lhd_tree_size): Likewise.
3401         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
3402         * local-alloc.c (update_equiv_regs): Likewise.
3403         * loop-unroll.c (peel_loop_completely
3404         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3405         peel_loop_simple, unroll_loop_stupid,
3406         analyze_iv_to_split_insn): Likewise.
3407         * loop.c (gen_prefetch, find_and_verify_loops,
3408         basic_induction_var): Likewise.
3409         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
3410         * value-prof.c (tree_find_values_to_profile): Likewise.
3411         * varasm.c (named_section, default_assemble_integer,
3412         decode_addr_const): Likewise.
3413
3414 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
3415            Fariborz Jahanian <fjahanian@apple.com>
3416
3417         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
3418         portion of argument passed in fpr.
3419         * expr.c (emit_push_insn): Fix computation of 'offset' used to
3420         decide on partial argument save on stack.
3421
3422 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
3423
3424         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
3425         comment typos.
3426
3427 2005-04-21  Jan Hubicka  <jh@suse.cz>
3428
3429         * cgraphunit.c: Include tree-pass.h
3430         (cgraph_decide_recursive_inlining,
3431         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
3432         cgraph_decide_inlining): Dump goes to dump_file.
3433         (cgraph_optimize): Call ipa passes instead of inliner.
3434         (cgraph_gate_inlining, pass_ipa_inline): New.
3435         * tree-optimize.c (all_ipa_passes): New static variable.
3436         (register_one_dump_file): Dead with IPA passes.
3437         (register_dump_files): Likewise.
3438         (init_tree_optimization_passes): Initialize IPA passes.
3439         (execute_todo): Do cgraph dump when asked to, do not dump function body
3440         for IPA pass.
3441         * tree-pass.h (TODO_dump_cgraph): New macro.
3442         (ipa_passes): Declare.
3443         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
3444
3445 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3446
3447         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
3448         gcc_assert instead of abort.
3449         (classify_argument, examine_argument, construct_container,
3450         contains_128bit_aligned_vector_p, ix86_check_movabs,
3451         standard_80387_constant_opcode, standard_80387_constant_rtx,
3452         ix86_initial_elimination_offset, ix86_compute_frame_layout,
3453         pro_epilogue_adjust_stack, ix86_expand_epilogue,
3454         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
3455         legitimize_tls_address, output_pic_addr_const,
3456         i386_output_dwarf_dtprel, put_condition_code, print_reg,
3457         get_some_local_dynamic_name, print_operand, print_operand_address,
3458         output_387_binary_op, emit_i387_cw_initialization,
3459         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
3460         ix86_expand_clear, ix86_expand_binary_operator,
3461         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
3462         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
3463         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
3464         ix86_expand_branch, ix86_expand_setcc,
3465         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
3466         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
3467         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
3468         memory_address_length, ix86_attr_length_immediate_default,
3469         ix86_attr_length_address_default, ix86_agi_dependant,
3470         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
3471         ix86_expand_binop_builtin, ix86_force_to_memory,
3472         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
3473         x86_emit_floatuns): Likewise.
3474         * config/i386/netware.c (gen_regparm_prefix,
3475         i386_nlm_strip_name_encoding): Likewise.
3476         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
3477
3478 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3479
3480         * optabs.c (gen_condiational_trap): Remove #define.
3481         (add_equal_note): Assertify. Remove explicit indirection from
3482         call via function pointer.
3483         (expand_ternary_op, expand_simple_binop, expand_binop,
3484         expand_twoval_unop, expand_twoval_binop,
3485         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
3486         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
3487         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
3488         prepare_float_lib_cmp, emit_conditional_move,
3489         emit_conditional_add, gen_add2_insn, gen_add3_insn,
3490         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
3491         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
3492         vector_compare_rtx, expand_vec_cond_expr): Likewise.
3493
3494 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3495
3496         * vec.h: Update API to separate allocation mechanism from type.
3497         (VEC_safe_grow): New.
3498         * vec.c (calculate_allocation): New.
3499         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
3500         (vec_gc_free, vec_heap_free): Remove.
3501         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
3502         (VEC): Likewise.
3503         (mangle_macro_name): New.
3504         (struct macro_def): New.
3505         (struct macro): Add multiple argument values.
3506         (macro_expans_end): New.
3507         (push_macro_expansion):  Chain on new macro. Process multiple
3508         args, create follow on expansion. Return follow on argument.
3509         (macro_input): Deal with multiple arguments.
3510         
3511         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
3512         (struct tree_binfo): Adjust.
3513         * basic-block.h: Define VEC(edge,gc).
3514         (struct edge_def): Adjust.
3515         (struct basic_block_def, struct edge_iterator): Likewise.
3516         (ei_container, ei_start_1, ei_last_1): Likewise.
3517         * cfg.c (connect_src, connect_dest): Likewise.
3518         * cfgrtl.c (force_nonfallthru_and_redirect)
3519         * dbxout.c (dbxout_type)
3520         * dwarf2out.c (gen_member_die)
3521         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
3522         (gcc_tree_to_linear_expression): Adjust.
3523         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
3524         lbv_to_gcc_expression, lle_to_gcc_expression,
3525         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
3526         perfect_nestify): Likewise.
3527         * lambda.h (gcc_loopnest_to_lambda_loopnest,
3528         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
3529         * profile.c (instrument_values): Adjust.
3530         * tree-cfg.c (modified_noreturn_calls): Adjust.
3531         (remove_fallthru_edge): Likewise.
3532         * tree-dump.c (dequeue_and_dump): Adjust.
3533         * tree-flow-inline.h (mark_stmt_modified): Adjust.
3534         * tree-flow.h (modified_noreturn_calls): Adjust.
3535         (tree_on_heap): Remove. (yay!)
3536         (register_new_def): Adjust.
3537         * tree-into-ssa.c: Define VEC(int,heap).
3538         (block_defs_stack): Adjust.
3539         (find_idf, insert_phi_nodes, register_new_def,
3540         rewrite_initialize_block, rewrite_finalize_block,
3541         register_new_update_single, rewrite_update_init_block,
3542         rewrite_update_fini_block, rewrite_blocks,
3543         ssa_rewrite_finalize_block, ssa_register_new_def,
3544         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
3545         * tree-loop-linear.c (linear_transform_loops): Adjust.
3546         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
3547         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
3548         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
3549         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
3550         vrp_variables_stack): Adjust declarations.
3551         (tree_ssa_dominator_optimize): Adjust.
3552         (dom_opt_initialize_block, remove_local_expressions_from_table,
3553         restore_nonzero_vars_to_original_value,
3554         restore_vars_to_original_value,
3555         restore_currdefs_to_original_value, dom_opt_finalize_block,
3556         record_var_is_nonzero, record_cond, record_const_or_copy_1,
3557         optimize_stmt, update_rhs_and_lookup_avail_expr,
3558         lookup_avail_expr, record_range): Likewise.
3559         * tree-ssa-pre.c: Define VEC(basic_block,heap).
3560         (compute_antic_aux): Adjust.
3561         (inserted_exprs, create_expression_by_pieces, 
3562         insert_into_preds_of_block, eliminate, mark_operand_necessary, 
3563         remove_dead_inserted_code, fini_pre): Likewise.
3564         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
3565         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist. 
3566         ssa_prop_init): Likewise.
3567         * tree-ssa.c: Define VEC(bitmap,heap).
3568         (verify_name_tags): Adjust.
3569         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
3570         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
3571         tree_divmod_values_to_profile, tree_find_values_to_profile,
3572         value_profile_transformations): Likewise.
3573         * value-prof.h: Define VEC(histogram_value,heap).
3574         * varasm.c: Remove alias_pair pointer typedef, define
3575         VEC(alias_pair,gc).
3576         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
3577         
3578         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
3579         not a pointer to it.  Create an object vector.
3580         (extern_symbols): Turn into an object vector.
3581         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
3582
3583 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
3584
3585         PR/20742
3586         * Makefile.in (tree-chrec.o): Depend on params.h.
3587         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
3588         default value 20.
3589         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
3590         and fold build with fold_buildN.
3591         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
3592         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3593         (tree_contains_chrecs): Compute an estimation of the size of the
3594         given expression.
3595         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
3596         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
3597         * tree-scalar-evolution.c (simple_iv): Ditto.
3598         * doc/invoke.texi (scev-max-expr-size): Documented.
3599
3600 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
3601
3602         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
3603         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
3604         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
3605         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
3606         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
3607         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
3608         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
3609         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
3610         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
3611         (darwin_fix_and_continue_switch): Delete.
3612         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
3613         (SUBTARGET_SWITCHES): Delete.
3614         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
3615         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
3616         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
3617         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
3618         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
3619         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
3620         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
3621         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
3622         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
3623         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
3624         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
3625         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
3626         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
3627         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
3628         (TARGET_64BIT): Undef before redefining.
3629         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
3630         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
3631         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
3632         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
3633         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
3634         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
3635         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
3636         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
3637         (ix86_debug_arg_string, ix86_debug_addr_string)
3638         (ix86_align_loops_string, ix86_align_jumps_string)
3639         (ix86_align_funcs_string): Delete.
3640         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
3641         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
3642         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
3643         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
3644         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
3645         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
3646         (SUBTARGET_SWITCHES): Delete.
3647         * config/i386/i386.c (ix86_debug_arg_string): Delete.
3648         (ix86_debug_addr_string): Delete.
3649         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
3650         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
3651         (ix86_align_loops_string, ix86_align_jumps_string)
3652         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
3653         (ix86_align_funcs_string): Make static.
3654         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3655         (ix86_handle_option): New function.
3656         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
3657         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
3658         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
3659         of darwin_fix_and_continue_switch.
3660         (darwin_one_byte_bool): Delete.
3661         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
3662         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
3663         to darwin_one_byte_bool.
3664         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
3665         * config/i386/djgpp.opt, config/i386/i386.opt,
3666         * config/i386/sco5.opt: New files.
3667
3668 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3669
3670         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
3671         fp_zero_operand, fp_register_operand, intreg_operand,
3672         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
3673         call_operand, call_operand_address, tgd_symbolic_operand,
3674         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
3675         symbolic_operand, symbolic_memory_operand, label_ref_operand,
3676         sp64_medium_pic_operand, data_segment_operand,
3677         text_segment_operand, splittable_symbolic_memory_operand,
3678         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
3679         eq_or_neq, normal_comp_operator, noov_compare_op,
3680         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
3681         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
3682         const64_operand, const64_high_operand, arith11_operand,
3683         arith10_operand, arith_double_operand, arith_double_4096_operand,
3684         arith_double_add_operand, arith11_double_operand,
3685         arith10_double_operand, small_int, small_int_or_double,
3686         uns_small_int, uns_arith_operand, clobbered_register,
3687         input_operand, compare_operand): Delete.
3688         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
3689         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
3690         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
3691         (GEN_HIGHINT64, GEN_INT64): Delete.
3692         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
3693         gen_safe_XOR64): Adjust for above deletion.
3694         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
3695         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
3696         (legitimate_constant_p): Use const_zero_operand instead.
3697         (sparc_extra_constraint_check): Likewise.
3698         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
3699         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
3700         (PREDICATE_CODES): Delete.
3701         * config/sparc/sparc.md: Include predicates.md.
3702         (All patterns): Adjust for new predicate names.
3703         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
3704         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
3705         (movdi): Use general_operand predicate.
3706         (movdi_sp64_dbl): Delete.
3707         (movdi_const64_special): Add 'N' constraint.
3708         (movdicc): Use arith10_operand predicate.
3709         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
3710         (movdi_cc_reg_sp64): Use arith10_operand predicate.
3711         (movdi_cc_reg_sp64_trunc): Delete.
3712         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
3713         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
3714         (subdi3_sp32): Delete.
3715         (subdi3_insn_sp32): Change to define_insn_and_split.
3716         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
3717         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
3718         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
3719         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
3720         small_int_operand predicate.
3721         (divdi3, udivdi3): Use arith_operand predicate.
3722         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
3723         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
3724         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
3725         (xordi3_sp64_dbl): Delete.
3726         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
3727         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
3728         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
3729         cmp_ccx_set_not): Use arith_operand predicate.
3730         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
3731         * config/sparc/predicates.md: New file.
3732
3733 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
3734
3735         PR tree-optimization/14846
3736         * fold-const.c (fold_single_bit_test_into_sign_test): New,
3737         split out from ...
3738         (fold_single_bit_test): ... here.
3739         (fold_binary): Call fold_single_bit_test_into_sign_test
3740         instead of fold_single_bit_test.
3741
3742 2005-04-20  James E Wilson  <wilson@specifixinc.com>
3743
3744         PR c++/20805
3745         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
3746         is another declaration.
3747
3748 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
3749
3750         * config/cris/predicates.md: New file.
3751         * config/cris/cris-protos.h (cris_store_multiple_op_p)
3752         (cris_movem_load_rest_p): Declare.
3753         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
3754         (cris_movem_load_rest_p): Ditto.  Globalize.
3755         (cris_bdap_operand, cris_bdap_biap_operand,
3756         cris_orthogonal_operator, cris_commutative_orth_op,
3757         cris_operand_extend_operator,
3758         cris_additive_operand_extend_operator, cris_extend_operator,
3759         cris_plus_or_bound_operator, cris_mem_op,
3760         cris_general_operand_or_symbol,
3761         cris_general_operand_or_gotless_symbol,
3762         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
3763         cris_load_multiple_op): Remove predicate functions.
3764         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
3765         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
3766         * config/cris/cris.h (PREDICATE_CODES): Don't define.
3767         * config/cris/cris.md: Include predicates.md.
3768         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
3769
3770 2005-04-20  Ian Lance Taylor  <ian@airs.com>
3771
3772         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
3773         * c-common.h (STMT_EXPR_STMT): Don't define.
3774         (STMT_EXPR_NO_SCOPE): Don't define.
3775         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
3776         * c-pretty-print.c (pp_c_primary_expression): Likewise.
3777         (pp_c_expression): Likewise.
3778
3779 2005-04-20  Richard Henderson  <rth@redhat.com>
3780
3781         PR target/21100
3782         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
3783
3784 2005-04-20  Jeff Law  <law@redhat.com>
3785
3786         * reload1.c (reload): Ignore equivalences between pseudos and
3787         read only memory.
3788
3789 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
3790
3791         PR c/12913
3792         * c-tree.h (struct c_label_list): Update comment.
3793         (struct c_label_context): Rename to struct c_label_context_se.
3794         (label_context_stack): Rename to label_context_stack_se.
3795         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
3796         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
3797         c_end_vm_scope): New.
3798         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
3799         * c-decl.c (pop_scope): Call c_end_vm_scope.
3800         (pushdecl): Call c_begin_vm_scope for variably modified
3801         declarations.
3802         (define_label): Check for jumping into scope of identifier with
3803         variably modified type.  Push label on stack for those defined at
3804         current context of identifiers with variably modified type.
3805         (start_function): Create stack level for context of identifiers
3806         with variably modified type.
3807         (finish_function): Pop stack level for context of identifiers with
3808         variably modified type.
3809         * c-typeck.c (label_context_stack): Rename to
3810         label_context_stack_se.
3811         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
3812         (c_finish_goto_label): Check for jumping into scope of identifier
3813         with variably modified type.  Push label on stack for those jumped
3814         to from current context of identifiers with variably modified
3815         type.
3816         (struct c_switch): Add blocked_vm.
3817         (c_start_case): Initialize blocked_vm.
3818         (do_case): Check blocked_vm.
3819         (c_finish_case): Add comment.
3820         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
3821         variable label_context_stack.
3822
3823 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
3824
3825         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
3826         conditional_replacement, value_replacement, abs_replacement,
3827         minmax_replacement.
3828         (replace_phi_edge_with_variable): Remove argument BB.
3829         (conditional_replacement, value_replacement,
3830         minmax_replacement, abs_replacement): Remove argument PHI_BB.
3831         Update a call to replace_phi_edge_with_variable.
3832
3833         * tree-ssa-phiopt.c: Fix comments.
3834
3835 2005-04-20  Michael Matz  <matz@suse.de>
3836
3837         PR20973
3838         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
3839         pseudos.
3840
3841 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
3842
3843         * tree-ssa-phiopt.c: Fix comment typos.
3844
3845         PR tree-optimization/21116
3846         * tree-ssa-phiopt.c: Fix a typo.
3847
3848 2005-04-19  Richard Henderson  <rth@redhat.com>
3849
3850         * builtins.c (expand_builtin_sync_operation): Revert last change.
3851         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
3852         not vs new value.
3853         (expand_compare_and_swap_loop): Likewise.
3854         (expand_sync_operation): Remove fallback from NAND to AND; invert
3855         memory operand when expanding from cmpxchg.
3856         (expand_sync_fetch_operation): Likewise.
3857         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
3858         compare-and-swap.
3859
3860         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
3861         when implementing NAND.  Fix double-add for AFTER.
3862         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
3863         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
3864         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
3865         memory value.
3866         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
3867         memory barrier.
3868
3869         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
3870         to return old memory value.
3871         (sync_compare_and_swap_cc<IMODE>): Likewise.
3872
3873         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
3874         return pre-reload.  Don't consider output or anti dependencies.
3875         * config/ia64/sync.md (IMODE): New.
3876         (modesuffix): Add QI and HI.
3877         (memory_barrier): Simplify expansion.
3878         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
3879         (cmpxchg_acq_<IMODE>): Likewise.
3880         (sync_lock_test_and_set<IMODE>): Likewise.
3881         (sync_lock_release<IMODE>): Likewise.
3882
3883 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
3884
3885         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
3886         ~X or ~Y simplify.
3887
3888 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
3889
3890         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
3891
3892 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
3893             Joseph S. Myers  <joseph@codesourcery.com>
3894
3895         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
3896         * c-typeck.c (build_c_cast): Check these options.
3897         * doc/invoke.texi: Document these options.
3898
3899 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
3900
3901         * tree-ssa-phiopt.c: Update a comment about the pass.
3902
3903 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
3904
3905         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
3906         config/mcore/mcore.c: Fix comment typos.
3907
3908 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
3909
3910         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
3911         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
3912
3913 2005-04-19  Paul Brook  <paul@codesourcery.com>
3914
3915         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. 
3916
3917 2005-04-19  Andrew Haley  <aph@redhat.com>
3918
3919         PR java/21022
3920         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
3921         looking at a field's bitpos.
3922
3923 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3924
3925         * system.h (fopen, fdopen, freopen): Define these to the unlocked
3926         libiberty functions.
3927
3928 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
3929
3930         PR tree-optimization/21096
3931         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
3932
3933 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
3934
3935         PR target/21098
3936         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
3937         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
3938
3939 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
3940
3941         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
3942         refers to the function being dumped.
3943
3944 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
3945
3946         * varasm.c (assemble_start_function): Remove reset of in_section.
3947
3948 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
3949
3950         PR tree-optimization/21085
3951         * fold-const (fold_binary): Don't change X % -C to X % C if C has
3952         overflowed.
3953
3954 2005-04-19  Ben Elliston  <bje@au.ibm.com>
3955
3956         * doc/invoke.texi (Optimize Options): Refer to the correct
3957         optimisation flag -ftree-dominator-opts, not -ftree-dom.
3958
3959 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
3960
3961         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
3962         alloca argument to be big enough.
3963
3964 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
3965
3966         PR middle-end/21049
3967         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
3968         cfun->cfg are NULL.
3969
3970 2005-04-18  Tom Tromey  <tromey@redhat.com>
3971
3972         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
3973         typo.
3974
3975 2005-04-18  Richard Henderson  <rth@redhat.com>
3976
3977         * config/alpha/alpha.c (alpha_split_atomic_op): New.
3978         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
3979         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
3980         * config/alpha/alpha-protos.h: Update.
3981         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
3982         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
3983         (attr type): Add ld_l, st_c, mb.
3984         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
3985         iornotsi3, xorsi_internal, xornotsi3): New.
3986         * config/alpha/ev4.md (ev4_ld): Add ld_l.
3987         (ev4_ist_c, ev4_mb): New.
3988         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
3989         (ev5_ld_l): New.
3990         * config/alpha/ev6.md (ev6_ild): Add ld_l.
3991         (ev6_ist): Add st_c.
3992         (ev6_mb): New.
3993         * config/alpha/sync.md: New file.
3994
3995 2005-04-18  Richard Henderson  <rth@redhat.com>
3996
3997         * builtins.c (expand_builtin_sync_operation): Fold nand to and
3998         for constants.
3999
4000         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
4001
4002 2005-04-18  Devang Patel  <dpatel@apple.com>
4003
4004         * config/rs6000/atlivec.md (mulv4si3): New pattern.
4005         
4006 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
4007
4008         PR tree-optimization/20922
4009         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
4010         Fold X + c >= X and fold X - c <= X to true.
4011
4012 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
4013
4014         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
4015         unsigned int.
4016         (emergency_labeled_state_free): Likewise.
4017
4018 2005-04-18  Nick Clifton  <nickc@redhat.com>
4019
4020         * config/h8300/h8300.md (jump): Remove prescan parameter from
4021         calls to final_scan_insn.
4022
4023         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
4024         parameter from calls to final_scan_insn.
4025
4026         * config.gcc (m68hc12): Use the m68hc11.opt file for target
4027         specific options.
4028         (v850e, v850e1): Use the v850.opt file for target specific
4029         options.
4030
4031 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
4032
4033         PR tree-optimization/21001
4034         * tree-optimize.c (init_tree_optimization_passes): Move the
4035         first pass_forwprop immediately before pass_vrp.
4036
4037 2005-04-17  Ian Lance Taylor  <ian@airs.com>
4038
4039         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
4040         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
4041         from enum tree_code op to bool is_sizeof.
4042         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
4043         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
4044         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
4045         case.
4046         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
4047         cases.
4048         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
4049         ALIGNOF_EXPR cases.
4050
4051 2005-04-17  Ian Lance Taylor  <ian@airs.com>
4052
4053         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
4054
4055 2005-04-17  Richard Henderson  <rth@redhat.com>
4056
4057         * config/alpha/alpha.c (va_list_skip_additions): Only define if
4058         TARGET_ABI_OSF.
4059         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
4060         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
4061         of indirection through ssa names while looking for the gpr counter
4062         field.
4063         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
4064         saved va_list_gpr_size and va_list_fpr_size.
4065
4066 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
4067
4068         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
4069         both pointers or both integers.
4070
4071         * tree-vrp.c (maybe_add_assert_expr): Don't assert
4072         ASSERT_EXPRs for single-use variable.
4073
4074         * tree-into-ssa.c: Fix a comment typo.
4075
4076 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
4077
4078         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
4079         -mipsN before forcing a default of -mips2.
4080
4081 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
4082
4083         * predict.h (IS_TAKEN): Remove.
4084         * rtl.h (NOTE_PREDICTION): Likewise.
4085
4086         * modulo-sched.c (CFG_HOOKS): Remove.
4087
4088         * c-parser.c (N_C_TTYPES): Remove.
4089
4090         * tree-flow-inline.h (get_stmt_operands): Remove.
4091         * lambda-code.c, tree-ssa-loop-unswitch.c,
4092         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
4093         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
4094         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
4095         calls to get_stmt_operands.
4096         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
4097
4098 2005-04-17  Richard Henderson  <rth@redhat.com>
4099
4100         PR target/20375
4101         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
4102         of CUMULATIVE_ARGS past the last named argument.
4103         (alpha_va_start): Expect pretend_args_size only if strictly less than
4104         6 named arguments.
4105
4106 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
4107
4108         PR middle-end/21024
4109         * builtins.c (expand_builtin_strcat): Convert the result of
4110         strlen to the right type.
4111         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
4112         avoid creating type mismatches.
4113         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
4114         type mismatches.
4115
4116         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
4117
4118 2005-04-16  Richard Henderson  <rth@redhat.com>
4119
4120         PR target/21051
4121         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
4122         Use the mode of boolean_type_node when the user doesn't provide one.
4123         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
4124
4125 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
4126
4127         PR target/20126
4128         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
4129         (const)).
4130
4131         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
4132         comment.
4133
4134 2005-04-16  Roger Sayle  <roger@eyesopen.com>
4135             Steven Bosscher  <stevenb@suse.de>
4136
4137         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
4138         (fold_unary_to_constant): Likewise.
4139
4140 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
4141
4142         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
4143         PROP_ASM_SCAN.
4144
4145 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
4146
4147         * doc/install.texi (Specific): Avoid using asterisks in @anchor
4148         names related to target triplets.
4149         Remove i?86-*-esix from platform directory.
4150         Remove powerpc-*-eabiaix from platform directory.
4151
4152 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
4153
4154         PR middle-end/20491
4155         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
4156         falling through from SUBREG case to REG.
4157
4158 2005-04-15  Roger Sayle  <roger@eyesopen.com>
4159
4160         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
4161         (fold_binary): Update comment mentioning fold_relational_hi_lo.
4162         (fold_binary_to_constant): Simplify using fold_binary.
4163         (fold_unary_to_constant): Likewise, simplify using fold_unary.
4164
4165 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
4166
4167         * gthr-posix.c (pthread_cancel): Define.
4168         (pthread_mutexattr_init): Likewise.
4169         (pthread_mutexattr_settype): Likewise.
4170         (pthread_mutexattr_destroy): Likewise.
4171
4172 2005-04-15  David S. Miller  <davem@davemloft.net>
4173
4174         PR target/20673
4175         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
4176
4177 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
4178
4179         PR tree-optimization/21031
4180         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
4181         (forward_propagate_into_cond_1): Call it.  Forward propagate
4182         integer-integer casts into COND_EXPRs.
4183
4184 2005-04-15  Dave Korn  <dave.korn@artimi.com>
4185
4186         * gcc.c (default_compilers): Clarify obscure error message when
4187         reading from standard input.
4188
4189 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
4190
4191         * basic-block.h (PROP_EQUAL_NOTES): Remove.
4192         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
4193
4194         * tree-ssa-alias.c (init_alias_info): Remove a call to
4195         get_stmt_operands.
4196
4197 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
4198
4199         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
4200         of non-virtual PHI nodes like we use to.
4201
4202 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
4203
4204         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
4205         (attr_copy_rtx): Do not use it.
4206
4207 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
4208
4209         * doc/tree-ssa.texi: Grammer/abbreviation updates.
4210
4211 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
4212
4213         * tree-vect-transform.c (vectorizable_store): Mark necessary
4214         objects in the vectorized store needing renaming.  Update the
4215         SSA graph for V_MAY_DEF operands in the original store.
4216
4217 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
4218
4219         * tree-ssa-pre.c (compute_avail): It's okay to have
4220         TREE_INVARIANT's here, and value number the resulting expressions.
4221         (create_expression_by_pieces): Make sure operands that were
4222         min_invariant when we started, stay that way.
4223
4224 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
4225
4226         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
4227
4228 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
4229
4230         PR tree-optimization/20936.
4231         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
4232
4233 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4234
4235         * doc/invoke.texi: Fix typos.
4236         * doc/md.texi: Likewise.
4237         * doc/rtl.texi: Likewise.
4238         * doc/sourcebuild.texi: Likewise.
4239         * doc/tm.texi: Likewise.
4240
4241 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
4242
4243         PR tree-optimization/21004
4244         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
4245         and floorl in c99 mode only.
4246         * builtins.c (expand_builtin_int_roundingfn): Assert that
4247         fallback_fndecl is not NULL_TREE.
4248
4249 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
4250
4251         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
4252         * basic-block.h: Update the prototype for
4253         purge_all_dead_edges.
4254         * cfgexpand.c (tree_expand_cfg): Update a call to
4255         purge_all_dead_edges.
4256         * combine.c (combine_instructions): Likewise.
4257         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
4258         rest_of_handle_cse2, rest_of_handle_gcse,
4259         rest_of_handle_postreload): likewise.
4260
4261 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
4262
4263         PR middle-end/20739
4264         * gimplify.c (gimplify_addr_expr): Compensate for removal of
4265         e.g. cv-qualification conversions.
4266
4267 2005-04-14  Mike Stump  <mrs@apple.com>
4268
4269         * config/darwin-c.c (framework_construct_pathname): We must
4270         find all headers of a framework in the first instance of it
4271         found in the seach path.
4272
4273 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
4274
4275         PR tree-optimization/21021
4276         * tree-vrp.c (compare_values): Work around a bug in the front
4277         end that produces a comparison of mismatched types.
4278
4279 2004-04-14  Richard Henderson  <rth@redhat.com>
4280
4281         * config/ia64/ia64.h (enum fetchop_code): Remove.
4282         (enum ia64_builtins): Move ...
4283         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
4284         members except BSP and FLUSHRS.
4285         (ia64_init_builtins): Remove __sync builtins.
4286         (ia64_expand_builtin): Likewise.
4287         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
4288         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
4289         (ia64_expand_lock_release): Remove.
4290         * config/ia64/ia64.md (mf): Move to sync.md.
4291         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
4292         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
4293         * config/ia64/sync.md: New file.
4294         (memory_barrier): Rename from mf.
4295         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
4296         (cmpxchg_acq_<I48MODE>): Likewise.
4297         (sync_lock_test_and_set<I48MODE>): Likewise.
4298
4299         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
4300         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
4301
4302 2004-04-14  Richard Henderson  <rth@redhat.com>
4303
4304         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
4305         (ix86_compare_emitted): New.
4306         (ix86_expand_compare): Use ix86_compare_emitted if set.
4307         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
4308         and ix86_compare_op0 are set.
4309         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
4310         (TARGET_CMPXCHG, TARGET_XADD): New.
4311         (ix86_compare_emitted): Declare.
4312         * config/i386/i386.md: Include sync.md
4313         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
4314         (UNSPECV_XCHG, UNSPECV_LOCK): New.
4315         * config/i386/sync.md: New file.
4316
4317 2004-04-14  Richard Henderson  <rth@redhat.com>
4318
4319         PR middle-end/14311
4320         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
4321         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
4322         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
4323         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
4324         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
4325         BT_FN_I8_VPTR_I8_I8): New.
4326         * builtins.def (DEF_SYNC_BUILTIN): New.
4327         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
4328         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
4329         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
4330         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
4331         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
4332         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
4333         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
4334         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
4335         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
4336         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
4337         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
4338         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
4339         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
4340         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
4341         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
4342         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
4343         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
4344         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
4345         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
4346         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
4347         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
4348         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
4349         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
4350         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
4351         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
4352         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
4353         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
4354         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
4355         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
4356         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
4357         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
4358         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
4359         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
4360         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
4361         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
4362         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
4363         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
4364         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
4365         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
4366         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
4367         BUILT_IN_SYNCHRONIZE: New.
4368         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
4369         as a function.  Accept __sync_ as a prefix as well.
4370         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4371         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
4372         expand_builtin_lock_release): New.
4373         (expand_builtin): Call them.
4374         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
4375         neither BOTH_P nor FALLBACK_P are defined.
4376         (builtin_type_for_size): New.
4377         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
4378         (resolve_overloaded_builtin): New.
4379         * c-common.h (resolve_overloaded_builtin): Declare.
4380         (builtin_type_for_size): Declare.
4381         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
4382         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
4383         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
4384         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
4385         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
4386         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
4387         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
4388         sync_compare_and_swap_cc, sync_lock_test_and_set,
4389         sync_lock_release): New.
4390         * optabs.h: Declare them.
4391         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
4392         expand_sync_operation, expand_sync_fetch_operation,
4393         expand_sync_lock_test_and_set): Declare.
4394         * genopinit.c (optabs): Add sync optabs.
4395         * optabs.c (init_optabs): Initialize sync optabs.
4396         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
4397         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
4398         expand_sync_operation, expand_sync_fetch_operation,
4399         expand_sync_lock_test_and_set): New.
4400         * doc/extend.texi (Atomic Builtins): New section
4401         * doc/md.texi (Standard Names): Add sync patterns.
4402
4403 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
4404
4405         * tree-eh.c (lower_try_finally_copy): Generate new code in
4406         response to goto_queue entries as if the queue was sorted by
4407         index, not pointers.
4408         (lower_try_finally_switch): Likewise.
4409
4410 2005-04-14  Richard Henderson  <rth@redhat.com>
4411
4412         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
4413         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
4414         register.
4415         (ix86_expand_fp_movcc): Update to match.
4416         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
4417         * config/i386/i386-protos.h: Update.
4418         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
4419         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
4420
4421 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
4422
4423         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
4424         refer to 4.0.
4425
4426 2005-04-14  Julian Brown  <julian@codesourcery.com>
4427
4428         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
4429         link failures on ppc64 Linux.
4430
4431 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
4432
4433         * config.gcc: Set cpu_type for s390.
4434
4435 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
4436
4437         Fix PR tree-optimization/20963
4438         * tree-ssa-pre.c (compute_avail): Remove special case for
4439         TREE_INVARIANT.
4440         (create_expression_by_pieces): Add value numbers for forced out
4441         statements.
4442
4443 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
4444
4445         * config/cris/cris.md: Replace references to (reg:SI 16) with
4446         (reg:SI CRIS_SRP_REGNUM).
4447
4448 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
4449
4450         PR tree-optimization/20657
4451         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
4452         create an appropriate range from it.
4453
4454 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
4455
4456         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
4457         <UNSPEC_FIST_CEIL> case.
4458
4459         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
4460         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
4461         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
4462         to implement lfloor and llfloor built-ins as x87 intrinsic function.
4463         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
4464         (lfloor<mode>2): New expanders.
4465         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
4466         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
4467         to implement lceil and llceil built-ins as x87 intrinsic function.
4468         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
4469         (lceil<mode>2): New expanders.
4470
4471 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
4472
4473         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
4474         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
4475
4476 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
4477
4478         PR target/20927
4479         * config/s390/s390-modes.def: Define TFmode.
4480
4481 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
4482
4483         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
4484         (JUMP_TABLES_IN_TEXT_SECTION): Define.
4485         * config/mips/mips.c (mips16_insn_length): Remove reference to
4486         JUMP_TABLES_IN_TEXT_SECTION.
4487
4488 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
4489
4490         * simplify-rtx.c (simplify_binary_operation_1): Return
4491         scalar or vector of constant 0, depending on the xor's
4492         mode.
4493
4494 2005-04-13  Dale Johannesen  <dalej@apple.com>
4495
4496         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
4497         (objc-act.o):  Ditto.
4498         * objc/objc-act.c (objc_gimplify_expr):  New.
4499         (objc_get_callee_fndecl):  New.
4500         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
4501         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
4502         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
4503
4504 2005-04-13  Devang Patel  <dpatel@apple.com>
4505
4506         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
4507         temp variables.
4508
4509 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
4510
4511         CRIS prologue as RTL.
4512         * config/cris/cris-protos.h (cris_emit_movem_store)
4513         (cris_expand_prologue): Prototype.
4514         * config/cris/cris.c (struct machine_function): New member
4515         stdarg_regs.
4516         (cfa_label_num, cris_target_asm_function_prologue): Remove.
4517         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
4518         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
4519         (cris_load_multiple_op, cris_return_address_on_stack)
4520         (cris_return_address_on_stack_for_return): ISO-Cify.
4521         (cris_store_multiple_op): New predicate function.
4522         (cris_expand_prologue, cris_emit_movem_store): New functions.
4523         (cris_print_operand) <case 'O'>: Handle modifications other than
4524         post-increment.
4525         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
4526         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
4527         (cris_gen_movem_load): Rearrange slightly to make local variable
4528         src a parameter, removing osrc.
4529         (cris_setup_incoming_varargs): Set machine_function member
4530         stdarg_regs to correspond to the number of registers that need to
4531         be saved.
4532         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
4533         CRIS_UNSPEC_GOT.
4534         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
4535         cris_general_operand_or_gotless_symbol accept UNSPEC.
4536         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
4537         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
4538         ("*cris_store_multiple"): New pattern.  Tweak common comment above
4539         this and "*cris_load_multiple".
4540         ("prologue"): New define_expand.
4541
4542         * config/cris/cris.md ("epilogue"): Conditionalize on
4543         TARGET_PROLOGUE_EPILOGUE.
4544
4545 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
4546
4547         PR target/20924
4548         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
4549         fpsr 0 instead of fpsr 1.
4550         (divsf3_internal_thr): Ditto.
4551         (divdf3_internal_lat): Ditto.
4552         (divdf3_internal_thr): Ditto.
4553         (divxf3_internal_lat): Ditto.
4554         (divxf3_internal_thr): Ditto.
4555
4556 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
4557
4558         PR tree-optimization/20913
4559         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
4560
4561         PR tree-optimization/20702
4562         * tree-vrp.c (maybe_add_assert_expr): Recurse into
4563         dominator children that haven't been walked into.
4564
4565 2005-04-13  Julian Brown  <julian@codesourcery.com>
4566
4567         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
4568         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
4569         is true.
4570
4571 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
4572
4573         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
4574         config/i386/sse.md: Fix comment typos.
4575
4576         * genattrtab.c (NULL_ATTR): Remove.
4577         * ifcvt.c (NULL_EDGE): Likewise.
4578
4579         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
4580
4581         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
4582         NOTE_PREDICT): Remove.
4583
4584 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4585
4586         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
4587         * configure: Regenerate.
4588         * config.in: Likewise.
4589         * system.h: Declare vsnprintf if not already declared.
4590
4591 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4592
4593         * optc-gen.awk: Handle stand-alone Mask records.
4594         * opth-gen.awk: Likewise.
4595         * doc/options.texi (Option file format): Document them.
4596         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
4597         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
4598         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
4599         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
4600         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
4601         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
4602         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
4603         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
4604         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
4605         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
4606         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
4607         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
4608         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
4609         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
4610         TARGET_LONG_DOUBLE_128): Likewise.
4611         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
4612         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
4613         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
4614         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
4615         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
4616         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
4617         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
4618         * config/sparc/sparc.c (fpu_option_set): New global.
4619         (sparc_handle_option): New function.
4620         (sparc_override_options): Test fpu_option_set.
4621         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
4622         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
4623         * config/sparc/sparc.opt: New file.
4624         * config/sparc/little-endian.opt: Likewise.
4625         * config/sparc/long-double-switch.opt: Likewise.
4626
4627 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
4628
4629         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
4630         (bfin_handle_options): Set it if -mshared-library-id= is seen.
4631         * config/bfin/bfin.opt (mshared-library-id=): Lose
4632         Var(bfin_lib_id_given).
4633
4634 2005-04-13  Matt Thomas  <matt@3am-software.com>
4635
4636         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
4637         defining.
4638
4639 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
4640
4641         * rtl.h (CLEAR_RTX_FLAGS): Remove.
4642
4643         * cgraphunit.c (INSNS_PER_CALL): Remove.
4644
4645         * tree-ssa-forwprop.c (vars,
4646         record_single_argument_cond_exprs,
4647         substitute_single_use_vars): Remove.
4648         (forward_propagate_into_cond_1, forward_propagate_into_cond):
4649         New.
4650         (tree_ssa_forward_propagate_single_use_vars): Call
4651         forward_propagate_into_cond for each COND_EXPR.
4652
4653         * tree-inline.c (INSNS_PER_STMT): Remove.
4654
4655 2005-04-12  Richard Henderson  <rth@redhat.com>
4656
4657         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
4658         (ix86_expand_sse_fp_minmax): ... from ...
4659         (ix86_expand_fp_movcc): ... here.
4660         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
4661         * config/i386/i386-protos.h: Update.
4662         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
4663         (sse_setccsf, sse_setccdf): Allow before reload.
4664         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
4665         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
4666         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
4667         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
4668         (anddf3, nanddf3, iordf3, xordf3): New.
4669
4670 2005-04-12  Jeff Law  <law@redhat.com>
4671
4672         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
4673         (tree-ssa-uncprop.o): Add dependencies.
4674         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
4675         * tree-flow.h (remove_useless_stmts): Remove prototype.
4676         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4677         remove_useless_stmts.
4678         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
4679         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
4680         * tree-pass.h (pass_uncprop): Declare.
4681         * tree-ssa-uncprop.c: New file.
4682
4683 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
4684
4685         PR target/20670
4686         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
4687
4688 2005-04-12  Caroline Tice  <ctice@apple.com>
4689
4690         Temporary fix for partitioning problems.
4691         * passes.c (rest_of_handle_final): Remove code that
4692         frees unlikely_text_section_name,
4693         * varasm.c (assemble_start_function): Test for partitioning
4694         flag before writing out section labels.
4695         (assemble_end_function): Test for partitioning flag before
4696         writing out section labels.
4697
4698 2005-04-12  Steven Bosscher  <stevenb@suse.de>
4699             Stuart Hastings <stuart@apple.com>
4700             Jan Hubicka  <jh@suse.cz>
4701
4702         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
4703         references to gt-tree-cfg.h.
4704         * basic-block.h (struct basic_block_def): Don't skip rbi
4705         for garbage collection.
4706         (struct reorder_block_def): Make GTY-able.
4707         (struct control_flow_graph): New structure.
4708         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
4709         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
4710         but instead defines to the control_flow_graph for cfun.
4711         (label_to_block_map): New define, points to the label map of
4712         the control_flow_graph for cfun.
4713         (n_edges_for_function, n_basic_blocks_for_function,
4714         last_basic_block_for_function, basic_block_info_for_function,
4715         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
4716         basic_block_info_for_function, label_to_block_map_for_function):
4717         Counterparts for the above, taking a struct function as an extra
4718         argument.
4719         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
4720         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
4721         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
4722         (alloc_rbi_pool, free_rbi_pool): Remove.
4723         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
4724         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
4725         here...
4726         (cfg_layout_finalize) ... and don't free it here.
4727         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
4728         garbage collected.
4729         * flow.c (free_basic_block_vars): Set label_to_block_map and
4730         n_edges to zero too.
4731         * function.h (struct function): Add cfg field.
4732         * function.c (allocate_struct_function): Allocate the cfg.
4733         * tree-cfg.c (label_to_block_map): Remove.
4734         (build_tree_cfg): Don't allocate the rbi pool here...
4735         (delete_tree_cfg_annotations): ...and don't free it here.
4736         Also don't nullify label_to_block_map for cfun.
4737
4738 2005-04-12  Caroline Tice  <ctice@apple.com>
4739
4740         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
4741         Revert my patch from April 9.
4742         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
4743         (reorder_basic_blocks): Revert my patch from April 9.
4744         (insert_section_boundary_note): Revert my patch from April 9.
4745         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
4746         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
4747         (COLD_END_LABEL):  Revert my patch from April 9.
4748         (cold_text_section_label):  Revert my patch from April 9.
4749         (cold_end_label): Revert my patch from April 9.
4750         (dwarf2out_switch_text_section): Revert my patch from April 9.
4751         (output_aranges): Revert my patch from April 9.
4752         (output_ranges):  Revert my patch from April 9.
4753         (output_line_info): Revert my patch from April 9.
4754         (add_location_or_const_value_attribute):  Revert my patch from April 9.
4755         (dwarf2out_var_location): Revert my patch from April 9.
4756         (dwarf2out_init):  Revert my patch from April 9.
4757         (dwarf2out_finish): Revert my patch from April 9.
4758         * function.h (struct function): Revert my patch from April 9.
4759         * opts.c (decode_options): Revert my patch from April 9.
4760         * output.h (unlikely_section_label, hot_section_label,
4761         hot_section_end_label, cold_section_end_label,
4762         unlikely_text_section_name): Revert my patch from April 9.
4763         * passes.c (rest_of_handle_final): Revert my patch from April 9.
4764         * varasm.c (unlikely_section_label, hot_section_label,
4765         hot_section_end_label, cold_section_end_label,
4766         unlikely_text_section_name): Revert my patch from April 9.
4767         (initialize_cold_section_name): Revert my patch from April 9.
4768         (unlikely_text_section): Revert my patch from April 9.
4769         (in_unlikely_text_section): Revert my patch from April 9.
4770         (named_section): Revert my patch from April 9.
4771         (function_section): Revert my patch from April 9.
4772         (current_function_section): Revert my patch from April 9.
4773         (assemble_start_function): Revert my patch from April 9.
4774         (assemble_end_function): Revert my patch from April 9.
4775         (default_section_type_flags_1): Revert my patch from April 9.
4776
4777 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4778
4779         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
4780         * config/sparc/sparc.md (untyped_call): Save the registers manually.
4781
4782         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
4783
4784 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
4785
4786         PR middle-end/20917
4787         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
4788         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
4789
4790 2004-04-12  Richard Henderson  <rth@redhat.com>
4791
4792         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
4793         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
4794         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
4795         (UNSPEC_*, UNSPECV_*): Renumber.
4796
4797 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
4798
4799         PR mudflap/19266
4800         From Richard Henderson <rth@redhat.com>:
4801         * tree-mudflap.c (mf_build_check_statement_for): Correct block
4802         splitting logic.
4803
4804 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
4805
4806         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
4807
4808 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
4809
4810         * config/bfin/bfin.c (bfin_library_id_string): Remove.
4811         (bfin_library_id): New variable.
4812         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
4813         instead of bfin_library_id_string.
4814         (bfin_handle_option): New function.
4815         (override_options): Remove most code to deal with shared library IDs,
4816         just check they aren't used without -mid-shared-library.
4817         (TARGET_HANDLE_OPTION): Define.
4818         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
4819         * config/bfin/bfin.opt (mshared-library-id=): New.
4820
4821 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
4822
4823         * tree-vect-transform.c: Fix comment typos.
4824
4825 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
4826
4827         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
4828         split critical edges when not possible/profitable.
4829
4830 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
4831
4832         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
4833         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
4834         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
4835         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
4836         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
4837         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
4838         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
4839         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
4840         MASK_NO_BITFIELD.
4841         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
4842         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4843         * config/ns32k/ns32k.opt: New file.
4844
4845 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
4846
4847         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
4848         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
4849         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
4850         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
4851         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
4852         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
4853         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
4854         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
4855         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
4856         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
4857         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
4858         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
4859         (MASK_COLDFIRE): Formatting fixes.
4860         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
4861         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
4862         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
4863         "_current_shared_library_a5_offset_".
4864         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4865         (MASK_ALL_CPU_BITS): New macro.
4866         (m68k_handle_option): New function.
4867         (override_options): Remove handling of m68k_library_id_string.
4868         * config/m68k/m68k.opt: New file.
4869         * config/m68k/ieee.opt: New file.
4870
4871 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
4872
4873         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
4874         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
4875         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
4876         (TARGET_CXX): Adjust accordingly.
4877         * target.h (struct gcc_target): Remove epxort_class_data.  Add
4878         determine_class_data_visibility and class_data_always_comdat.
4879         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
4880         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
4881         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
4882         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
4883         (arm_cxx_determine_class_data_visibility): New.
4884         (arm_cxx_class_data_always_comdat): Likewise.
4885         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
4886         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
4887         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
4888         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
4889         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
4890         Define.
4891
4892 2005-04-11  Devang Patel  <dpatel@apple.com>
4893
4894         * tree-data-ref.c (build_classic_dist_vector,
4895         compute_subscript_distance): Make externally visible.
4896         * tree-data-ref.h (build_classic_dist_vector,
4897         compute_subscript_distance): Same.
4898         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
4899         Check distance vector against vectorization factor.
4900         (vect_analyze_loop): Determine vectorizaion factor before
4901         analyzing data dependences.
4902         * tree-vectorizer.c (loops_num): Make it externally visible and
4903         rename ...
4904         * tree-vectorizer.c (vect_loops_num): ... new name.
4905         * tree-vectorizer.h  (vect_loops_num): New.
4906
4907 2005-04-11  Devang Patel  <dpatel@apple.com>
4908
4909         * tree-vect-analyze.c (vect_analyze_operations): Check
4910         vectorizable codition.
4911         * tree-vect-transform.c (vect_is_simple_cond): New function.
4912         (vectorizable_condition): New function.
4913         (vect_transform_stmt): Handle condition_vec_info_type.
4914         * tree-vectorizer.h (enum stmt_vec_info_type): Add
4915         condition_vec_info_type.
4916         (vectorizable_condition): New.
4917
4918 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
4919
4920         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
4921         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
4922         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
4923
4924         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
4925         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
4926
4927         * dwarf2out.c (output_line_info): Don't try to dereference
4928         a NULL current_function_decl.
4929
4930         * config/t-slibgcc-darwin: Don't put shared libraries in
4931         directories other than $(slibdir).
4932         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
4933         OS uses for it.
4934
4935 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
4936
4937         PR tree-optimization/20933
4938         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
4939         logic to reject aliases between read-only and writable
4940         variables ...
4941         (may_alias_p): ... here.
4942         (get_tmt_for): Do not associate read-only tags to pointers
4943         whose pointed-to type is not read-only.
4944         * tree-ssa.c (verify_ssa): Check that memory stores have at
4945         least one V_MAY_DEF or V_MUST_DEF.
4946
4947 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4948
4949         PR/17092
4950         * configure.ac (gcc_UNLOCKED_FUNCS): New.
4951         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
4952         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
4953         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
4954         _unlocked function.
4955         (fwrite_unlocked): Fix prototype.
4956
4957         * configure, config.in: Regenerate.
4958
4959 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
4960
4961         * tree-ssa-loop-im.c: Include real.h.
4962         (determine_invariantness_stmt): If real division divisor is
4963         invariant and flag_unsafe_math_optimizations enabled, generate
4964         invariant reciprocal for hoisting.
4965         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
4966
4967 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
4968
4969         Fix PR tree-optimization/20926
4970
4971         * tree-ssa-alias.c (add_type_alias): Handle subvars.
4972
4973 2005-04-11  Devang Patel  <dpatel@apple.com>
4974
4975         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
4976         operand ordering.
4977
4978 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
4979
4980         * fold-const.c (fold_binary_op_with_conditional_arg):
4981         use fold_buildN instead of "fold (buildN" in some
4982         non obvious places.
4983         (fold_unary): Likewise.
4984         (fold_binary): Likewise.
4985
4986 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
4987
4988         Fix PR tree-optimization/20612
4989         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
4990         handling
4991         (perfect_nestify): preheaderbb is *not* part of loop of the
4992         old destination.
4993
4994 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
4995
4996         * tree-ssa-alias.c (may_alias_p): If the variable
4997         is a global variable and the pointer is parameter
4998         and -fargument-noalias-global is used, then
4999         the pointer cannot alias the variable.
5000
5001 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
5002
5003         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
5004         * config/sparc/sparc.h: Likewise.
5005         * config/sparc/sparc.md: Likewise.
5006
5007 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
5008
5009         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
5010
5011         * tree-vrp.c: Fix a comment typo.
5012
5013 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
5014
5015         PR tree-optimization/20920
5016         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
5017         SSA_NAME flows through an abnormal edge.
5018         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
5019         through abnormal edges.
5020         (maybe_add_assert_expr): Likewise.
5021
5022 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
5023
5024         * config/s390/s390.h (s390_tune_string, s390_arch_string)
5025         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
5026         (s390_stack_size_string, s390_stack_guard_string, target_flags)
5027         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
5028         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
5029         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
5030         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
5031         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
5032         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
5033         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
5034         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
5035         (TARGET_HANDLE_OPTION): Likewise.
5036         (s390_tune): Initialize to PROCESSOR_max.
5037         (s390_arch_string): Make static.
5038         (s390_tune_string, s390_warn_framesize_string): Delete.
5039         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
5040         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
5041         (s390_handle_arch_option, s390_handle_option): New functions.
5042         (override_options): Remove parsing of option strings.
5043         * config/s390/s390.opt: New file.
5044
5045 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
5046
5047         * tree-complex.c (expand_vector_operations): Call
5048         update_stmt_if_modified.
5049
5050 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
5051
5052         * tree-vect-analyze (vect_determine_vectorization_factor):
5053         Do not use GET_MODE_NUNITS.
5054         * tree-vect-transform.c (vect_get_vec_def_for_operand,
5055         (vectorizable_load, vect_transform_loop): Likewise.
5056
5057 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
5058
5059         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
5060         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
5061         * optabs.h (enum optab_index): Add new OTI_lceil.
5062         (lceil_optab): Define corresponding macro.
5063         * optabs.c (init_optabs): Initialize lceil_optab.
5064         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
5065         and lceildi2 patterns.
5066         * builtins.c (expand_builtin_int_roundingfn): Handle
5067         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
5068         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
5069         BUILT_IN_LLCEIL{,F,L}.
5070         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
5071         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
5072         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
5073         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
5074         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
5075         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
5076         into lceil built-in function and (long long int)ceil{,f,l} into
5077         llceil built-in function.
5078         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
5079         BUILT_IN_LLCEIL.
5080
5081 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5082
5083         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
5084         zero.
5085
5086 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
5087
5088         * config/arm/arm.c: Fix a comment typo.
5089         * doc/tree-ssa.texi: Fix a typo.
5090
5091 2005-04-10  Steven Bosscher  <stevenb@suse.de>
5092
5093         * cselib.c (clear_table): Rename to cselib_clear_table.
5094         * cselib.h (cselib_clear_table): Add prototype.
5095         * gcse.c (gcse_main): Make 'f' argument unused.
5096         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
5097         of each basic block instead.
5098         (compute_sets, compute_hash_table_work): Likewise.
5099         (constprop_register): Change int 'alter_jumps' argument to bool.
5100         (do_local_cprop): Likewise.
5101         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
5102         the insn chain.  Explicitly clear the cselib tables after finishing
5103         one basic block.  Make sure there are no unterminated libcall blocks.
5104         Update compute_sets call.
5105         (cprop): Walk basic blocks instead of the insn chain.
5106         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
5107         Likewise.
5108         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
5109         one_cprop_pass calls.
5110
5111 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
5112
5113         * combine.c (combine_simplify_rtx): Remove a transformation that
5114         relies on an invalid assumption about rtl sign-extension semantics.
5115
5116 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
5117
5118         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
5119         to build_int_cst_wide.
5120
5121 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
5122
5123         PR target/20126
5124         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
5125         set the original address pseudo to the correct value before the
5126         original insn, if possible, and leave the insn alone, otherwise
5127         create a new pseudo, set it and replace it in the insn.
5128         * recog.c (validate_change_maybe_volatile): New.
5129         * recog.h (validate_change_maybe_volatile): Declare.
5130
5131 2005-04-09  Caroline Tice  <ctice@apple.com>
5132
5133         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
5134         Remove targetm.have_named_sections test.
5135         (fix_edges_for_rarely_executed_code): Likewise.
5136         (insert_section_boundary_note): Likewise.
5137         (reorder_basic_blocks): Check partitioning flag before calling
5138         verify_hot_cold_block_grouping.
5139         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
5140         the function struct rather than global variables.
5141         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
5142         (COLD_END_LABEL): Likewise
5143         (cold_text_section_label): New static global variable.
5144         (cold_end_label): Likewise.
5145         (dwarf2out_switch_text_section): Get hot/cold section labels from
5146         the function struct rather than global variables.
5147         (output_aranges): Use cold_text_section_label and cold_end_label;
5148         check partitioning flag before putting out delta.
5149         (output_ranges): Remove incorrect code attempting to use
5150         hot/cold labels.
5151         (output_line_info): Get cold section label from function struct.
5152         (add_location_or_const_value_attribute): Likewise.
5153         (get_subprogram_die): Get hot/cold section labels from function struct.
5154         (dwarf2out_var_location): Likewise.
5155         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
5156         write out cold_text_section_label if partition flag is set.
5157         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
5158         * function.h (struct function): Add new fields to point to hot/cold
5159         section labels: hot_section_label, cold_section_label,
5160         hot_section_end_label and cold_section_end_label; also add new field
5161         for cold text section name, unlikely_text_section_name.
5162         * opts.c (decode_options): Turn off partitioning flag if
5163         !targetm.have_named_sections.
5164         * output.h (hot_section_label): Remove.
5165         (hot_section_end_label): Remove.
5166         (cold_section_end_label): Remove.
5167         (unlikely_section_label): Remove.
5168         (unlikely_text_section_name): Remove.
5169         * passes.c (rest_of_handle_final):  Remove code that frees
5170         unlikely_text_section_name.
5171         * varasm.c (unlikely_section_label): Remove.
5172         (hot_section_label): Remove.
5173         (hot_section_end_label): Remove.
5174         (cold_section_end_label): Remove.
5175         (unlikely_text_section_name):  Remove.
5176         (initialize_cold_section_name): Modify to call
5177         targetm.strip_name_encoding; to store cold section name in current
5178         function struct, if it exists; and to only use the decl_section_name
5179         if flag_named_sections is true.
5180         (unlikely_text_section): Modify to get section name out of current
5181         function struct, if there is one; otherwise build it from
5182         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
5183         (in_unlikely_text_section): Likewise.
5184         (named_section): Modify to get/put cold section name in current function
5185         struct, if there is one.
5186         (function_section):  Change 'bool unlikely' to 'int reloc'; check
5187         targetm.have_named_sections before calling named_section.
5188         (current_function_section): Likewise.
5189         (assemble_start_function): Modify to get/put unlikely_text_section_name
5190         in current function struct; modify to get hot/cold section labels
5191         from function struct; initialize labels using
5192         ASM_GENERATE_INTERNAL_LABEL;
5193         test partitioning flag before writing out hot section label.
5194         (assemble_end_function): Test partitioning flag before writing out
5195         hot/cold section labels.
5196         (default_section_type_flags_1):  Modify to use array instead of
5197          char* for unlikely_text_section_name; set flags correctly for
5198          cold text section if there is not a current function decl.
5199
5200 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
5201
5202         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
5203         and TI_VA_LIST_FPR_COUNTER_FIELD.
5204         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
5205         * tree-pass.h (pass_stdarg): Add.
5206         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
5207         * tree-stdarg.c: New file.
5208         * tree-stdarg.h: New file.
5209         * Makefile.in (OBJS-common): Add tree-stdarg.o.
5210         (tree-stdarg.o): Add dependencies.
5211         * function.h (struct function): Add va_list_gpr_size and
5212         va_list_fpr_size fields.
5213         * function.c (allocate_struct_function): Initialize them.
5214         * target.h (struct gcc_target): Add stdarg_optimize_hook.
5215         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
5216         (TARGET_INITIALIZER): Add it.
5217
5218         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
5219         va_list_{g,f}pr_counter_field.
5220         (ix86_setup_incoming_varargs): Don't do anything if reg_save
5221         area will not be used.  Only save registers that tree-stdarg.c
5222         detected they need saving.
5223         (ix86_va_start): Don't set up fields that won't be used.
5224
5225         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
5226         va_list_{g,f}pr_counter_field.
5227         (setup_incoming_varargs): Don't do anything if reg_save
5228         area will not be used.  Only save registers that tree-stdarg.c
5229         detected they need saving.
5230         (rs6000_va_start): Don't set up fields that won't be used.
5231
5232         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
5233         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
5234         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
5235         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
5236
5237 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
5238
5239         PR target/20795
5240         * config/i386/i386.c (construct_container): Pass empty aligned
5241         struct, union or class in memory.
5242
5243 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
5244
5245         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
5246         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
5247         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
5248         config/rs6000/predicates.md: Fix comment typos.
5249
5250         * sched-int.h (haifa_insn_data): Remove blockage and units.
5251         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
5252         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
5253         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
5254
5255 2005-04-09  Jan Hubicka  <jh@suse.cz>
5256             Steven Bosscher  <stevenb@suse.de>
5257
5258         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
5259         * cfgloop.c (get_loop_exit_edges): Likewise.
5260         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
5261         (unloop): Likewise.
5262         * loop-unroll.c (analyze_insns_in_loop): Likewise.
5263         * tree-cfg.c (dump_cfg_status): Likewise.
5264
5265 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
5266
5267         * config/rs6000/predicates.md (altivec_register_operand): Remove
5268         redundant match_code test.
5269         (gpc_reg_operand): Same.
5270         (cc_reg_operand): Same.
5271         (cc_reg_not_cr0_operand): Same.
5272
5273 2005-04-09  Jan Hubicka  <jh@suse.cz>
5274
5275         Forgotten hunk from my last merge patch:
5276         * final.c (output_addr_const): Do not call mark_referenced.
5277
5278 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
5279
5280         * doc/tree-ssa.texi: Add immediate use documentation.
5281
5282 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
5283
5284         * arm.c (FL_WBUF): Define.
5285         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
5286         (arm_is_6_or_7): Delete.
5287         (arm_tune_wbuf): New.
5288         (arm_override_options): Set arm_tune_wbuf.
5289         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
5290         (arm_is_6_or_7): Delete declaration.
5291         (arm_tune_wbuf): New declartion.
5292         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
5293         (model_wbuf): Derive from arm_tune_wbuf.
5294         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
5295         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
5296         (arm740t): Mark CPUs as having a write buffer.
5297
5298 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
5299
5300         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
5301         of 'const_double_operand' in operand 2 constraints.  Update enable
5302         condition.
5303
5304 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
5305
5306         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
5307         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
5308         * optabs.h (enum optab_index): Add new OTI_lfloor.
5309         (lfloor_optab): Define corresponding macro.
5310         * optabs.c (init_optabs): Initialize lfloor_optab.
5311         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
5312         and lfloordi2 patterns.
5313         * builtins.c (expand_builtin_int_roundingfn): New prototype.
5314         (expand_builtin_int_roundingfn): New function.
5315         (fold_builtin_int_roundingfn): New prototype.
5316         (fold_builtin_int_roundingfn): New function, renamed from
5317         fold_builtin_lround.
5318         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
5319         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
5320         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
5321         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
5322         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
5323         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
5324         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
5325         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
5326         into lfloor built-in function and (long long int)floor{,f,l} into
5327         llfloor built-in function.
5328         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
5329         BUILT_IN_LLFLOOR.
5330
5331 2005-04-08  Ian Lance Taylor  <ian@airs.com>
5332
5333         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
5334         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
5335         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
5336         (DO_COND, DO_BODY): Likewise.
5337         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
5338         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
5339         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
5340         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
5341         (build_continue_stmt, build_break_stmt): Don't declare.
5342         (c_do_switch_warnings): Update declaration.
5343         * c-gimplify.c (enum bc_t): Remove.
5344         (struct c_gimplify_ctx, ctxp): Remove.
5345         (push_context, pop_context): Remove static functions.
5346         (c_genericize): Don't call push_context or pop_context.
5347         (begin_bc_block, finish_bc_block): Remove static functions.
5348         (build_bc_goto): Likewise.
5349         (gimplify_c_loop): Likewise.
5350         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
5351         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
5352         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
5353         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
5354         * c-common.c (c_do_switch_warnings): Rename from
5355         c_do_switch_warnings_1.
5356         (c_do_switch_warnings) [old version]: Remove.
5357         (c_do_switch_expr_warnings): Remove.
5358         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
5359         function instead of c_do_switch_expr_warnings.
5360         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
5361         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
5362         * c-pretty-print.c (pp_c_statement): Likewise.
5363         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
5364
5365 2005-04-08  Devang Patel  <dpatel@apple.com>
5366
5367         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
5368         While selecting replacement condition pay attention to loop header.
5369
5370 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
5371
5372         Merge from tree-cleanup-branch: VRP, store CCP, store
5373             copy-prop, incremental SSA updating of FUD chains and
5374             newly exposed symbols.
5375
5376         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
5377         (OBJS-common): Add tree-vrp.o.
5378         (tree-vrp.o): New rule.
5379         * basic-block.h (nearest_common_dominator_for_set): Declare.
5380         * common.opt (ftree-store-ccp): New flag.
5381         (ftree-copy-prop): New flag.
5382         (ftree-vrp): New flag.
5383         (ftree-store-copy-prop): New flag.
5384         * dominance.c (nearest_common_dominator_for_set): New.
5385         * domwalk.c (walk_dominator_tree): Only traverse
5386         statements in blocks marked in walk_data->interesting_blocks.
5387         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
5388         * fold-const.c (fold): Handle ASSERT_EXPR.
5389         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
5390         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
5391         flag_tree_vrp at -O2.
5392         * timevar.def (TV_TREE_VRP): Define.
5393         (TV_TREE_COPY_PROP): Define.
5394         (TV_TREE_STORE_COPY_PROP): Define.
5395         (TV_TREE_SSA_INCREMENTAL): Define.
5396         (TV_TREE_STORE_CCP): Define.
5397         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
5398         to kill_redundant_phi_nodes from comment.
5399         (verify_expr): Handle ASSERT_EXPR.
5400         * tree-dfa.c (mark_new_vars_to_rename): Remove second
5401         argument.  Update all users.
5402         (mark_call_clobbered_vars_to_rename): Remove.  Update all
5403         users.
5404         * tree-flow-inline.h (unmodifiable_var_p): New.
5405         * tree-flow.h (enum value_range_type): Declare.
5406         (struct value_range_def): Declare.
5407         (value_range): Declare.
5408         (remove_all_phi_nodes_for): Remove.  Update all users.
5409         (find_phi_node_for): Declare.
5410         (add_type_alias): Declare.
5411         (count_uses_and_derefs): Declare.
5412         (kill_redundant_phi_nodes): Remove.
5413         (rewrite_into_ssa): Remove.
5414         (rewrite_def_def_chains): Remove.
5415         (update_ssa, register_new_name_mapping, create_new_def_for,
5416         need_ssa_update_p, name_registered_for_update_p,
5417         release_ssa_name_after_update_ssa, dump_repl_tbl,
5418         debug_repl_tbl, dump_names_replaced_by,
5419         debug_names_replaced_by, mark_sym_for_renaming,
5420         mark_set_for_renaming, get_current_def, set_current_def,
5421         get_value_range, dump_value_range, debug_value_range,
5422         dump_all_value_ranges, debug_all_value_ranges,
5423         expr_computes_nonzero, loop_depth_of_name,
5424         unmodifiable_var_p): Declare.
5425         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
5426         ASSERT_EXPR.
5427         * tree-into-ssa.c (block_defs_stack): Update comment.
5428         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
5429         syms_to_rename, names_to_release, repl_tbl,
5430         need_to_initialize_update_ssa_p, need_to_update_vops_p,
5431         need_to_replace_names_p): New locals.
5432         (NAME_SETS_GROWTH_FACTOR): Define.
5433         (struct repl_map_d): Declare.
5434         (struct mark_def_sites_global_data): Add field
5435         interesting_blocks.
5436         (enum rewrite_mode): Declare.
5437         (REGISTER_DEFS_IN_THIS_STMT): Define.
5438         (compute_global_livein): Use last_basic_block instead of
5439         n_basic_blocks.
5440         (set_def_block): Remove last argument.  Update all callers.
5441         (prepare_use_operand_for_rename): Remove.  Update all callers.
5442         (prepare_def_operand_for_rename): Remove.  Update all callers.
5443         (symbol_marked_for_renaming): New.
5444         (is_old_name): New.
5445         (is_new_name): New.
5446         (repl_map_hash): New.
5447         (repl_map_eq): New.
5448         (repl_map_free): New.
5449         (names_replaced_by): New.
5450         (add_to_repl_tbl): New.
5451         (add_new_name_mapping): New.
5452         (mark_def_sites): Assume that all the operands in the
5453         statement are in normal form.
5454         (find_idf): Assert that the block in the stack is valid.
5455         (get_default_def_for): New.
5456         (insert_phi_nodes_for): Add new argument 'update_p'.
5457         Add documentation.
5458         If update_p is true, add a new mapping between the LHS of
5459         each new PHI and the name that it replaces.
5460         (insert_phi_nodes_1): Only call find_idf if needed.
5461         (get_reaching_def): Call get_default_def_for.
5462         (rewrite_operand): Remove.
5463         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
5464         and REWRITE_THIS_STMT are false.
5465         Assume that all the operands in the statement are in
5466         normal form.
5467         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
5468         (rewrite_virtual_phi_arguments): Remove.
5469         (invalidate_name_tags): Remove.
5470         (register_new_update_single, register_new_update_set,
5471         rewrite_update_init_block, replace_use,
5472         rewrite_update_fini_block, rewrite_update_stmt,
5473         rewrite_update_phi_arguments): New.
5474         rewrite_blocks): Remove argument 'fix_virtual_phis'.
5475         Add arguments 'entry', 'what' and 'blocks'.
5476         Initialize the dominator walker according to 'what' and
5477         'blocks'.
5478         Start the dominator walk at 'entry'.
5479         (mark_def_site_blocks): Add argument 'interesting_blocks'.
5480         Use it to configure the dominator walker.
5481         (rewrite_into_ssa): Remove argument 'all'.
5482         Make internal.
5483         (rewrite_all_into_ssa): Remove.
5484         (rewrite_def_def_chains): Remove.
5485         (mark_def_interesting, mark_use_interesting,
5486         prepare_phi_args_for_update, prepare_block_for_update,
5487         prepare_def_site_for, prepare_def_sites,
5488         dump_names_replaced_by, debug_names_replaced_by,
5489         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
5490         delete_update_ssa, create_new_def_for,
5491         register_new_name_mapping, mark_sym_for_renaming,
5492         mark_set_for_renaming, need_ssa_update_p,
5493         name_registered_for_update_p, ssa_names_to_replace,
5494         release_ssa_name_after_update_ssa,
5495         insert_updated_phi_nodes_for, update_ssa): New.
5496         * tree-loop-linear.c (linear_transform_loops): Call
5497         update_ssa instead of rewrite_into_ssa.
5498         * tree-optimize.c (vars_to_rename): Remove.
5499         Update all users.
5500         (init_tree_optimization_passes): Replace
5501         pass_redundant_phi with pass_copy_prop.
5502         Add pass_vrp.
5503         Replace pass_ccp with pass_store_ccp.
5504         Add pass_store_copy_prop after pass_store_ccp.
5505         (execute_todo): If the TODO_ flags don't include updating
5506         the SSA form, assert that it does not need to be updated.
5507         Call update_ssa instead of rewrite_into_ssa and
5508         rewrite_def_def_chains.
5509         If TODO_verify_loops is set, call verify_loop_closed_ssa.
5510         (tree_rest_of_compilation):
5511         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
5512         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
5513         TODO_cleanup_cfg): Renumber.
5514         (TODO_verify_loops, TODO_update_ssa,
5515         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
5516         TODO_update_ssa_only_virtuals): Define.
5517         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
5518         Declare.
5519         * tree-phinodes.c (make_phi_node): Update documentation.
5520         (remove_all_phi_nodes_for): Remove.
5521         (find_phi_node_for): New.
5522         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
5523         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
5524         (interpret_rhs_modify_expr): Likewise.
5525         * tree-sra.c (decide_instantiations): Mark all symbols in
5526         SRA_CANDIDATES for renaming.
5527         (mark_all_v_defs_1): Rename from mark_all_v_defs.
5528         (mark_all_v_defs): New function.  Update all users to call it
5529         with the whole list of scalarized statements, not just the
5530         first one.
5531         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
5532         (compute_flow_insensitive_aliasing): If the tag is
5533         unmodifiable and the variable isn't or vice-versa, don't
5534         make them alias of each other.
5535         (setup_pointers_and_addressables): If the type tag for
5536         VAR is about to change, mark the old one for renaming.
5537         (add_type_alias): New.
5538         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
5539         (ccp_lattice_t): Rename from latticevalue.
5540         (value): Remove.  Update all users.
5541         (const_val): New local variable.
5542         (do_store_ccp): New local variable.
5543         (dump_lattice_value): Handle UNINITIALIZED.
5544         (debug_lattice_value): New.
5545         (get_default_value): Re-write.
5546         (set_lattice_value): Re-write.
5547         (def_to_varying): Remove.  Update all users.
5548         (likely_value): Return VARYING for statements that make
5549         stores when STORE_CCP is false.
5550         Return VARYING for any statement other than MODIFY_EXPR,
5551         COND_EXPR and SWITCH_EXPR.
5552         (ccp_initialize): Re-write.
5553         (replace_uses_in, replace_vuse_in, substitute_and_fold):
5554         Move to tree-ssa-propagate.c.
5555         (ccp_lattice_meet): Handle memory stores when
5556         DO_STORE_CCP is true.
5557         (ccp_visit_phi_node): Likewise.
5558         (ccp_fold): Likewise.
5559         (evaluate_stmt): Likewise.
5560         (visit_assignment): Likewise.
5561         (ccp_visit_stmt): Likewise.
5562         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
5563         into DO_STORE_CCP.
5564         (do_ssa_ccp): New.
5565         (pass_ccp): Use it.
5566         (do_ssa_store_ccp): New.
5567         (gate_store_ccp): New.
5568         (pass_store_ccp): Declare.
5569         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
5570         (may_propagate_copy): Reformat.
5571         Don't abort if ORIG is a virtual and DEST isn't.
5572         If NEW does not have alias information but DEST does,
5573         copy it.
5574         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
5575         copy_prop_kind, which_copy_prop): Declare.
5576         (stmt_may_generate_copy, get_copy_of_val,
5577         get_last_copy_of, set_copy_of_val, dump_copy_of,
5578         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
5579         copy_prop_visit_stmt, copy_prop_visit_phi_node,
5580         init_copy_prop, fini_copy_prop, execute_copy_prop,
5581         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
5582         store_copy_prop): New.
5583         (pass_copy_prop, pass_store_copy_prop): Declare.
5584         * tree-ssa-dom.c (struct opt_stats_d): Add fields
5585         'num_const_prop' and 'num_copy_prop'.
5586         (cprop_operand): Update them.
5587         (dump_dominator_optimization_stats): Dump them.
5588         (tree_ssa_dominator_optimize): Call update_ssa instead of
5589         rewrite_into_ssa.
5590         (loop_depth_of_name): Declare extern.
5591         (simplify_cond_and_lookup_avail_expr): Guard against NULL
5592         values for LOW or HIGH.
5593         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
5594         (record_equivalences_from_stmt): Call expr_computes_nonzero.
5595         (cprop_operand): Only propagate if VAL != OP.
5596         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
5597         statement for renaming.
5598         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
5599         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
5600         add_type_alias if necessary.
5601         Call mark_new_vars_to_rename.
5602         (tree_ssa_iv_optimize): If new symbols need to be renamed,
5603         mark every statement updated, call update_ssa and
5604         rewrite_into_loop_closed_ssa.
5605         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
5606         from LIVEIN if VAR is a virtual.
5607         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
5608         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
5609         (get_call_expr_operands): Reformat statement.
5610         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
5611         symbols.
5612         * tree-ssa-propagate.c (ssa_prop_init): Initialize
5613         SSA_NAME_VALUE for every name.
5614         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
5615         get_value_loaded_by): New.
5616         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
5617         substitute_and_fold): Move from tree-ssa-ccp.c.
5618         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
5619         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
5620         get_value_loaded_by, replace_uses_in, substitute_and_fold):
5621         Declare.
5622         * tree-ssa.c (verify_use): Fix error message.
5623         (propagate_into_addr, replace_immediate_uses, get_eq_name,
5624         check_phi_redundancy, kill_redundant_phi_nodes,
5625         pass_redundant_phi): Remove.  Update all users.
5626         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
5627         add_type_alias, if necessary.
5628         * tree-vectorizer.h (struct _stmt_vect_info): Update
5629         documentation for field 'memtag'.
5630         * tree-vrp.c: New file.
5631         * tree.def (ASSERT_EXPR): Define.
5632         * tree.h (ASSERT_EXPR_VAR): Define.
5633         (ASSERT_EXPR_COND): Define.
5634         (SSA_NAME_VALUE_RANGE): Define.
5635         (struct tree_ssa_name): Add field 'value_range'.
5636         (PHI_REWRITTEN): Remove.
5637         (struct tree_phi_node): Remove field 'rewritten'.
5638         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
5639         -ftree-store-copy-prop): Document.
5640         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
5641         Document usage of update_ssa.
5642
5643 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
5644
5645         PR target/20814
5646         * config/rs6000/predicates.md (altivec_register_operand): Accept
5647         SUBREG.
5648         (and64_operand): Do not limit CONST_INT to mask64_operand.
5649         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
5650         (and_operand): Do not limit CONST_INT to mask_operand.
5651
5652 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
5653
5654         PR rtl-optimization/20466
5655         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
5656         for overlap of the address of each list member.
5657         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
5658
5659 2005-04-08  Mike Stump  <mrs@apple.com>
5660
5661         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
5662
5663         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
5664         instead of 4.
5665
5666 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
5667
5668         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
5669
5670         * function.c (push_function_context_to): Don't set
5671         contains_functions.
5672         * function.h (function): Remove contains_functions.
5673         (current_function_contains_functions): Remove.
5674
5675         * function.h (function): Remove instrument_entry_exit.
5676         (current_function_instrument_entry_exit): Remove.
5677
5678         * function.h (nonlocal_labels): Remove.
5679
5680         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
5681
5682         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
5683         (check_attr_value, write_attr_get, write_expr_attr_cache,
5684         find_attr, make_internal_attr): Don't reference negative_ok or
5685         unsigned_p.
5686         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
5687         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
5688         (ATTR_STATIC): Adjust the value.
5689
5690         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
5691
5692 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
5693
5694         * config/s390/tpf.h (ASM_SPEC): Define.
5695
5696 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
5697
5698         * tree-flow.h: Remove the prototype for
5699         redirect_immediate_uses.
5700         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
5701
5702 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
5703
5704         * arm.c (arm_const_double_by_parts): New function.
5705         * arm-protos.h (arm_const_double_by_parts): Add prototype.
5706         * arm.md (define_split for 64-bit constants): Add another one.
5707
5708 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
5709
5710         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
5711
5712 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5713
5714         * system.h: Revert last change.
5715
5716 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
5717
5718         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
5719         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
5720         (TARGET_SWITCHES): Delete.
5721         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
5722         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
5723         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
5724         * config/xtensa/xtensa.opt: New file.
5725
5726 2005-04-08  Ben Elliston  <bje@au.ibm.com>
5727
5728         * config/fp-bit.c: Include L_mul_tf in #endif comment.
5729         * config/fp-bit.h: Tidy comments.
5730
5731 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5732
5733         * system.h: Poison PARAMS.
5734
5735 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
5736
5737         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
5738         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
5739         (TARGET_SWITCHES): Delete.
5740         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
5741         * config/vax/vax.opt: New file.
5742
5743 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
5744
5745         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
5746
5747 2005-04-07  Ian Lance Taylor  <ian@airs.com>
5748
5749         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
5750         define.
5751         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
5752         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
5753         Likewise.
5754
5755 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
5756
5757         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
5758         all immediate uses in PHI nodes.
5759
5760 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
5761
5762         * arm.c (arm_const_double_inline_cost): Handle any constant by
5763         using gen_lowpart and gen_highpart_mode.
5764         (note_invalid_constants): All constants in an RTX with a constraint
5765         that permits memory are now pushed to the constant pool.
5766         (output_move_double): Delete code to handle reg to reg and
5767         constant to reg moves.
5768         (const_double_needs_minipool, output_mov_immediate): Delete.
5769         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
5770         CONST_INT and CONST_VECTOR.
5771         * arm.md (ANY64): New mode macro.
5772         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
5773         (movdf_soft_insn): Split reg-reg and const-reg moves.
5774         (split patterns for 64-bit constant and register moves): New.
5775         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
5776         (cirrus_movdf_hard_insn): Likewise.
5777         * fpa.md (movdf_fpa): Likewise.
5778         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
5779         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
5780         constraints.
5781         (movv2si_internal_2): Likewise.
5782         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
5783         (movdf_vfp): Likewise.
5784         * arm-protos.h (output_mov_immediate): Delete prototype.
5785
5786 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
5787
5788         PR target/20093
5789         * simplify-rtx.c (simplify_unary_operation_1): Check
5790         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
5791
5792 2005-04-06  James E Wilson  <wilson@specifixinc.com>
5793
5794         PR target/20717
5795         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
5796         ADDR_EXPR.
5797
5798 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
5799
5800         * coverage.h (GCOV_TYPE_NODE): Delete.
5801         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
5802         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
5803         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
5804         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
5805         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
5806
5807 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
5808
5809         PR other/20792
5810         * Makefile.in (gcc.pot): Remove options.c dependency.
5811         * optc-gen.awk: Don't quote help strings with N_().
5812
5813 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
5814
5815         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
5816         the function returns a pointer type.
5817
5818 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
5819
5820         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
5821         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
5822         * doc/invoke.texi: Documnet salias-max-implicit-fields.
5823         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
5824         explicit_uses members.
5825         (get_or_create_used_part_for): Initialize new fields.
5826         (fieldoff_compare): New function.
5827         (create_overlap_variables_for): Count number of fields, use
5828         heuristic to determine whether to create subvars for vars with
5829         only implicit uses.
5830         Sort the field list by offset and avoid creating duplicate SFT's.
5831
5832 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
5833
5834         * c.opt (-F): Remove trailing whitespace from help string.
5835         (-finput-charset): Use a tab to separate the switch name and help
5836         string.
5837         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
5838         (-ftree-vectorizer-verbose): Likewise.
5839
5840 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
5841
5842         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
5843         a PHI argument where a use occurs instead of all PHI arguments.
5844
5845 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
5846
5847         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
5848         scope.
5849
5850 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
5851
5852         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
5853         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
5854         config/bfin/bfin.h: Fix comment typos.
5855
5856 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
5857
5858         * doc/install.texi: Update the URL for Jacks.
5859         * doc/sourcebuild.texi: Likewise.
5860
5861 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
5862
5863         PR target/17245
5864         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
5865         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
5866
5867 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
5868
5869         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
5870
5871 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
5872
5873         * config/v850/v850-protos.h (override_options): Delete.
5874         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
5875         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
5876         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
5877         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
5878         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
5879         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
5880         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
5881         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
5882         (OVERRIDE_OPTIONS): Delete.
5883         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
5884         (small_memory_info): Remove the value field.
5885         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
5886         TARGET_NO_APP_REGS.
5887         * config/v850/v850.c (small_memory): Remove the value field.
5888         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5889         (override_options): Delete.
5890         (v850_handle_memory_option, v850_handle_option): New functions.
5891         * config/v850/v850.opt: New file.
5892
5893 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
5894
5895         * config.host: Add a section for generic hosts, and a subsection
5896         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
5897         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
5898         * config/host-darwin.h: New.
5899         * config/x-darwin: New.
5900         * config/i386/host-i386-darwin.c: New.
5901         * config/i386/x-darwin: New.
5902         * config/rs6000/host-darwin.c: Include host-darwin.h.
5903         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
5904         (darwin_rs6000_gt_pch_use_address): Likewise.
5905         * config/rs6000/x-darwin: Change name of .o built, update
5906         dependencies for changes to rs6000/host-darwin.c.
5907
5908 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
5909
5910         PR target/17824
5911         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
5912
5913 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
5914
5915         * tree-vect-analyze.c (vect_analyze_loop_form): Call
5916         split_loop_exit_edge instead of loop_split_edge_with.
5917
5918 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
5919
5920         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
5921         UNSPEC_SET_VSCR): New constants, used throughout.
5922         (*andc3_v4sf): New.
5923         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
5924         Replace with...
5925         (altivec_vspltis<VI_char>): ... this pattern, using
5926         a QImode const_int_operand for the immediate.
5927         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
5928         define_expands.
5929
5930 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
5931
5932         PR target/17822
5933         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
5934
5935 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
5936
5937         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
5938
5939 2005-04-06  Ben Elliston  <bje@au.ibm.com>
5940
5941         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
5942         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
5943         macros as living in "this file" and not gcc.h.
5944
5945 2005-04-06  Ben Elliston  <bje@au.ibm.com>
5946
5947         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
5948         -ftree-live_range_split.  Perhaps renamed at some point?
5949
5950 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
5951
5952         PR target/20625
5953         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
5954         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
5955
5956 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
5957
5958         * tree-flow.h (number_of_iterations_cond): Declaration removed.
5959         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
5960         (number_of_iterations_special): New function.
5961         (number_of_iterations_exit): Use number_of_iterations_special.
5962         Use simplify_using_outer_evolutions only at -O3.
5963         (number_of_iterations_cond, tree_simplify_using_condition,
5964         simplify_using_initial_conditions, loop_niter_by_eval,
5965         compare_trees, can_count_iv_in_wider_type_bound,
5966         simplify_using_outer_evolutions): Use fold_build.
5967
5968 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
5969
5970         * doc/install.texi (Configuration): Document --with-java-home.
5971
5972 2005-04-05  Richard Henderson  <rth@redhat.com>
5973
5974         PR target/20342
5975         PR target/20447
5976         * config/i386/i386.c (print_operand): Handle vector zeros.
5977         (ix86_split_to_parts): Handle CONST_VECTOR.
5978         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
5979         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
5980         what modes to tie for MMX and SSE registers.
5981         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
5982         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
5983         to vector modes as well.
5984         * config/i386/predicates.md (const0_operand): Handle VOIDmode
5985         properly as an input mode.
5986
5987 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
5988
5989         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
5990
5991 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
5992
5993         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
5994
5995 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
5996
5997         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
5998         and local functions, set sse_nregs to 8 and float_in_sse.
5999         (function_arg_advance, function_arg): If float_in_sse, pass
6000         SFmode and DFmode arguments in SSE registers.
6001         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
6002
6003         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
6004         of -funit-at-a-time.
6005
6006 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
6007
6008         * config/i386/i386-protos.h (ix86_function_value): Accept two
6009         arguments, like the target macro.
6010         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
6011         * config/i386/i386.c (ix86_function_value): Accept the second
6012         argument of the target macro.
6013         (ix86_function_ok_for_sibcall): Pass a function pointer to
6014         ix86_function_value.
6015         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
6016         call to ix86_value_regno).
6017         (ix86_value_regno): Add support for returning floating point values
6018         in SSE registers.
6019
6020 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
6021
6022         PR tree-optimization/20076
6023         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
6024         that call __builtin_return or __builtin_apply_args.
6025
6026 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
6027
6028         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
6029         Use immediate use iterator.
6030         (stmt_is_bumper_for_loop): Use immediate use iterator.
6031         * predict.c (strip_builtin_expect): Use update_stmt.
6032         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
6033         on all elements of a STATEMENT_LIST.
6034         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
6035         (bsi_remove): Remove imm_use links and mark the stmt as modified.
6036         (bsi_replace): Mark stmt as modified and the update it.
6037         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
6038         (expand_complex_libcal): Call update_stmt.
6039         (expand_complex_comparison): Call mark_stmt_modified.
6040         (expand_complex_operations_1): Call update_stmt_if_modified.
6041         (expand_vector_operations_1): Call mark_stmt_modified.
6042         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
6043         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
6044         add_immediate_use, redirect_immediate_use,
6045         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
6046         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
6047         (mark_new_vars_to_rename): Call update_stmt.
6048         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
6049         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
6050         Ignore PHI nodes.
6051         (unmodify_stmt): Delete.
6052         (update_stmt): New.  Force an update of a stmt.
6053         (update_stmt_if_modified): update a stmt if it is out of date.
6054         (get_stmt_operands): Verify stmt is NOT modified.
6055         (stmt_modified_p): Update comment.
6056         (delink_imm_use): Remove a use node from its immuse list.
6057         (link_imm_use_to_list): Link a use node to a specific list.
6058         (link_imm_use): Link a node to the correct list.
6059         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
6060         it in the correct list, if appropriate.
6061         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
6062         (relink_imm_use): Link a use node in place of another node in a list.
6063         (relink_imm_use_stmt): LInk a node in place of another node, and set
6064         the stmt pointer.
6065         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
6066         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
6067         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
6068         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
6069         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
6070         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
6071         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
6072         (has_zero_uses): New.  Return true if there are no uses of a var.
6073         (has_single_use): New.  Return true if there is only a single use of a
6074         variable.
6075         (single_imm_use): New.  Return the simgle immediate use.
6076         (num_imm_uses): New.  Return the number of immediate uses.
6077         (get_v_must_def_ops): Use is now a pointer.
6078         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
6079         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
6080         the use node.
6081         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
6082         (delink_stmt_imm_use): Delink all immuses from a stmt.
6083         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
6084         * tree-flow.h (struct dataflow_d): Delete.
6085         (immediate_use_iterator_d): New.  Immediate use iterator struct.
6086         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
6087         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
6088         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
6089         iteration.
6090         (struct stmt_ann_d): Remove dataflow_t from struct.
6091         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
6092         (if_convertible_phi_p): Use FAST immuse iterator.
6093         (if_convertible_loop_p): Don't call compute_immediate_uses.
6094         (replace_phi_with_cond_modify_expr): Call update_stmt.
6095         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
6096         update_stmt_if_modified.
6097         (rewrite_all_into_ssa): Initialize ssa operands.
6098         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
6099         compute_immediate_uses.
6100         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
6101         ssa_property is available.
6102         (execute_one_pass):  Change parameters passed to execute_todo.
6103         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
6104         (remove_ssa_form): Call fini_ssa_operands.
6105         (insert_backedge_copies): Delete call to modify_stmt.
6106         * tree-phinodes.c (make_phi_node): Initialize use nodes.
6107         (release_phi_node): Delink any use nodes before releasing.
6108         (resize_phi_node): Relink any use nodes.
6109         (remove_phi_arg_num): Delink the use node.
6110         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
6111         (remove_all_phi_nodes_for): Release phi node first.
6112         * tree-pretty-print.c (dump_generic_node): Print stmt address.
6113         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
6114         (scalarize_use, scalarize_copy): Call update_stmt.
6115         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
6116         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
6117         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
6118         (ccp_initialize): Remove call to compute_immediate_uses.
6119         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
6120         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
6121         stmts.
6122         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
6123         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
6124         (eliminate_redundant_computations): Call mark_stmt_modified.
6125         (cprop_operand): Call mark_stmt_modified.
6126         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
6127         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
6128         (dse_optimize_stmt): Use new immuse interface.
6129         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
6130         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
6131         (substitute_single_use_vars): Use new immuse interface.
6132         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
6133         and compute_immediate_uses.
6134         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
6135         interface.
6136         (rewrite_mem_refs): Call update_stmt.
6137         (determine_lsm): Remove call to compute_imm_uses and free_df.
6138         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
6139         (try_unroll_loop_completely): Call update_stmt.
6140         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
6141         (rewrite_use_compare): Call update_stmt.
6142         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
6143         (rewrite_use) : Call update_stmt.
6144         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
6145         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
6146         update_stmt.
6147         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
6148         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
6149         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
6150         use nodes.
6151         (initialize_vuse_operand): New.  Initialize a vuse operand.
6152         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
6153         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
6154         (finalize_ssa_defs): Use stmt parameter.
6155         (correct_use_link): Ensure a use node is in the correct list, and has
6156         the correct stmt pointer.
6157         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
6158         finalize_ssa_v_must_defs): Also initialize use nodes.
6159         (finalize_ssa_stmt_operands): Pass extra stmt operands.
6160         (build_ssa_operands): Seperate parsing from final operand construction.
6161         (parse_ssa_operands): New.  Parse entry point for operand building.
6162         (swap_tree_operands): New.  Swap 2 tree operands.
6163         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
6164         operands.
6165         (get_expr_operands): Call swap_tree_operands when needed.
6166         (copy_virtual_operands): Use initialize routines for virtual use ops.
6167         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
6168         (verify_abort): New.  Issue imm_use error.
6169         (verify_imm_links): New Verify imm_use links for a var.
6170         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
6171         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
6172         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
6173         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
6174         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
6175         (NULL_USE_OPERAND_P) Define.
6176         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
6177         use node.
6178         (struct vuse_operand_type): New struct.
6179         (SET_USE): Call set_ssa_use_from_ptr.
6180         (USE_STMT): Define.
6181         (PHI_ARG_INDEX_FROM_USE): Define.
6182         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
6183         argument via SET_USE, not PHI_ARG_DEF_TREE.
6184         * tree-ssa-pre.c (eliminate): Call update_stmt.
6185         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
6186         call free_df.
6187         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
6188         (nearest_common_dominator_of_uses): Use imm_use iterator.
6189         (statement_sink_location): Use imm_use iterator and interface.
6190         (execute_sink_code): Don't call compute_immediate_uses or free-df.
6191         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
6192         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
6193         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
6194         (verify_ssa): Ensure no stmt is marked modify after optimization pass
6195         if new parameter is true.
6196         (init_tree_ssa): Don't initialize operand cache here.
6197         (delete_tree_ssa): Don't destroy operand cache here.
6198         (propagate_into_addr): Pass in a use pointer, return true if anything
6199         was changed.
6200         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
6201         (check_phi_redundancy): Use imm_use iterator.
6202         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
6203         free_df.
6204         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
6205         (release_ssa_name): Delink node and all elements in its imm_use list.
6206         * tree-tailcall.c (adjust_return_value): Call update_stmt.
6207         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
6208         * tree-vectorizer.c (need_imm_uses_for): Delete.
6209         (vectorize_loops): Dont call compute_immediate_uses or free_df.
6210         * tree.h (struct ssa_imm_use_d): Define.
6211         (SSA_NAME_IMM_USE_NODE): Define.
6212         (struct tree_ssa_name): Add imm_use node.
6213         (PHI_DF): Delete.
6214         (PHI_ARG_IMM_USE_NODE): Define.
6215         (struct phi_arg_d): Add imm_use node.
6216         (struct tree_phi_node): Remove struct dataflow_d element.
6217         (TDF_STMTADDR): Define.
6218
6219 2005-04-05  Dale Johannesen  <dalej@apple.com>
6220
6221         * doc/invoke.texi (Optimization Options):  Remove
6222         duplicate -fcse-follow-jumps.  Add -fweb.
6223         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
6224         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
6225
6226 2005-04-05  Per Bothner  <per@bothner.com>
6227
6228         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
6229         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
6230         (warn_uninit): Get EXPR_LOCUS from context now instead.
6231         This fixes a USE_MAPPED_LOCATION testsuite failure.
6232
6233         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
6234
6235 2005-04-05  Per Bothner  <per@bothner.com>
6236
6237         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
6238         of the artification 'return 0' in main() to BUILTINS_LOCATION.
6239         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
6240         before warning.
6241
6242 2004-04-05  Devang Patel  <dpatel@apple.com>
6243
6244         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
6245         (lhsr<mode>3): ... new name.
6246         (altivec_vsra<VI_char>): Rename to ..
6247         (ashr<mode>3): ... new name.
6248         * config/rs6000/rs6000.c (builtin_description): Rename shift
6249         operations.
6250
6251 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
6252
6253         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
6254         gen_lowpart_for_combine.
6255         * cse.c (gen_lowpart_if_possible): Move...
6256         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
6257         gen_lowpart_SUBREG.
6258         (gen_lowpart_no_emit_general): Use it.
6259
6260 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
6261
6262         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
6263         overriding.
6264
6265 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
6266
6267         * system.h: Fix typo.
6268
6269 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
6270
6271         * config/bfin/bfin-modes.def: New file.
6272         * config/bfin/bfin-protos.h: New file.
6273         * config/bfin/bfin.c: New file.
6274         * config/bfin/bfin.h: New file.
6275         * config/bfin/bfin.md: New file.
6276         * config/bfin/bfin.opt: New file.
6277         * config/bfin/crti.s: New file.
6278         * config/bfin/crtn.s: New file.
6279         * config/bfin/elf.h: New file.
6280         * config/bfin/lib1funcs.asm: New file.
6281         * config/bfin/predicates.md: New file.
6282         * config/bfin/t-bfin: New file.
6283         * config/bfin/t-bfin-elf: New file.
6284         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
6285         Document new attributes.
6286         (interrupt, interrupt_handler, saveall): Update documentation for
6287         these attributes.
6288         * doc/install.texi (Specific): Add entry for the Blackfin.
6289         * doc/invoke.texi (Blackfin Options): New section.
6290         * doc/md.texi (Blackfin family): New section to document constraints.
6291         * config.gcc: Add bfin*-* and bfin*-elf configurations.
6292
6293 2005-04-05  Olivier Hainque  <hainque@adacore.com>
6294
6295         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
6296         match what the system unwinder expects.
6297         * config/mips/mips.c (mips_frame_set): If we're saving the return
6298         address register and the dwarf return address column number differs
6299         from the hard register number, adjust the note reg to refer to the
6300         former.
6301
6302 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
6303
6304         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
6305         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
6306         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
6307         (processor_type): New enum.
6308         (mn10300_processor): New variable.
6309         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
6310         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
6311         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
6312         (PROCESSOR_DEFAULT): New macro.
6313         * config/mn10300/mn10300.c (mn10300_processor): New variable.
6314         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6315         (mn10300_handle_option, mn10300_override_options): New functions.
6316         * config/mn10300/mn10300.opt: New file.
6317
6318 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
6319             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
6320
6321         PR tree-optimization/19903
6322         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
6323         that don't fit in their type after conversion.
6324
6325 2005-04-05  Uros Bizjak <uros@kss-loka.si>
6326
6327         PR target/20421
6328         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
6329         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
6330         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
6331         flag here. Implement using define_insn_and_split.
6332         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
6333         (frndintxf2_mask_pm_i387): New insn patterns.
6334         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
6335         Do not set ix86_optimize_mode_switching flag.
6336         (ceilsf2, ceildf2, ceilxf2): Same.
6337         (btruncsf2, btruncdf2, btruncxf2): Same.
6338         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
6339
6340 2005-04-05  Ian Lance Taylor  <ian@airs.com>
6341
6342         PR debug/9963
6343         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
6344         i386_pe_record_external_function.
6345         (i386_pe_record_external_function): Update declaration.
6346         * config/i386/winnt.c (struct extern_list): Add decl field.
6347         (i386_pe_record_external_function): Add decl parameter.
6348         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
6349         identifier.
6350         * config/i386/i386-protos.h (i386_pe_record_external_function):
6351         Update declaration.
6352
6353 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
6354
6355         * config/m68k/m68k-protos.h: Add a prototype for
6356         valid_dbcc_comparison_p_2.
6357         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
6358         extend_operator, const_uint32_operand, const_sint32_operand,
6359         general_src_operand, nonimmediate_src_operand,
6360         memory_src_operand, post_inc_operand, pre_dec_operand,
6361         pcrel_address): Move to predicates to predicates.md.
6362         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
6363         * config/m68k/m68k.md: Include predicates.md.
6364         * config/m68k/predicates.md: New.
6365
6366 2005-04-04  Roger Sayle  <roger@eyesopen.com>
6367
6368         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
6369
6370         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
6371
6372 2005-04-04  Ian Lance Taylor  <ian@airs.com>
6373
6374         * c-typeck.c (struct c_switch): Rename switch_stmt field to
6375         switch_expr.
6376         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
6377         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
6378         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
6379         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
6380         * c-common.c (c_do_switch_warnings_1): New static function broken
6381         out of c_do_switch_warnings.
6382         (c_do_switch_warnings): Call c_do_switch_warnings_1.
6383         (c_do_switch_expr_warnings): New function.
6384         * c-common.h (c_do_switch_expr_warnings): Declare.
6385
6386 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
6387             Daniel Jacobowitz  <dan@codesourcery.com>
6388
6389         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
6390         trapping divide.
6391         * rtlanal.c (may_trap_p): Same.
6392
6393 2005-04-04  Dale Johannesen  <dalej@apple.com>
6394
6395         * ChangeLog:  remove reference to ChangeLog.12.
6396
6397 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
6398
6399         CRIS epilogue as RTL.
6400         * config/cris/cris.md: Change all 0 in unspec 0 to
6401         CRIS_UNSPEC_PLT.
6402         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
6403         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
6404         patterns.
6405         ("return"): Change to define_expand.  Call cris_expand_return for
6406         actual expansion.
6407         ("*return_expanded"): New pattern.
6408         ("epilogue"): New define_expand.
6409         * config/cris/cris.h (PREDICATE_CODES): Add
6410         cris_load_multiple_op.
6411         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
6412         type.
6413         (enum cris_retinsn_type): New.
6414         (struct machine_function): New member return_type.
6415         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
6416         (cris_target_asm_function_epilogue): Remove, moving RTLified
6417         contents to...
6418         (cris_expand_epilogue): New function.
6419         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
6420         (cris_gen_movem_load, cris_load_multiple_op)
6421         (cris_return_address_on_stack_for_return, cris_expand_return): New
6422         functions.
6423         (cris_target_asm_function_prologue)
6424         (cris_initial_frame_pointer_offset): Call
6425         cris_reg_saved_in_regsave_area instead of complicated expression.
6426         Call cris_return_address_on_stack instead of an expression.
6427         (cris_print_operand) <case 'o', case 'O'>: New cases.
6428         (cris_return_address_on_stack): Change return-type to bool.
6429         (cris_simple_epilogue): Ditto.  Return false if registers are
6430         saved.
6431         * config/cris/cris-protos.h (cris_simple_epilogue)
6432         (cris_return_address_on_stack): Adjust prototype return type.
6433         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
6434         (cris_return_address_on_stack_for_return): New prototypes.
6435
6436 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
6437
6438         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
6439         gpr_or_int12_operand.
6440
6441         * config/frv/frv-protos.h: Add a prototype to
6442         frv_legitimate_memory_operand and frv_const_unspec_p.
6443         (frv_unspec): Move from frv.c.
6444         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
6445         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
6446         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
6447         gpr_or_fpr_operand, gpr_or_int12_operand,
6448         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
6449         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
6450         int6_operand, int5_operand, uint5_operand, uint4_operand,
6451         uint1_operand, int_2word_operand, uint16_operand,
6452         upper_int16_operand, integer_register_operand,
6453         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
6454         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
6455         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
6456         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
6457         move_destination_operand, movcc_fp_destination_operand,
6458         frv_function_symbol_referenced_p, move_source_operand,
6459         condexec_dest_operand, condexec_source_operand,
6460         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
6461         const_unspec_operand, gpr_or_memory_operand,
6462         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
6463         icc_operand, fcc_operand, cc_operand, icr_operand,
6464         fcr_operand, cr_operand, call_operand, sibcall_operand,
6465         symbolic_operand, relational_operator,
6466         integer_relational_operator, float_relational_operator,
6467         ccr_eqne_operator, minmax_operator,
6468         condexec_si_binary_operator, condexec_si_media_operator,
6469         condexec_si_divide_operator, condexec_si_unary_operator,
6470         condexec_sf_conv_operator, condexec_sf_add_operator,
6471         condexec_memory_operand, intop_compare_operator, acc_operand,
6472         even_acc_operand, quad_acc_operand, accg_operand: Move to
6473         predicates.md.
6474         * config/frv/frv.h (PREDICATE_CODES): Remove.
6475         * config/frv/frv.md: Include predicates.md.
6476         * config/frv/predicates.md: New.
6477
6478 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
6479
6480         PR target/19537
6481         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
6482         * tree-ssa-loop-ivopts.c: Include langhooks.h.
6483         (add_standard_iv_candidates_for_size): New function, extracting code
6484         from add_standard_iv_candidates and parameterizing it by type size.
6485         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
6486
6487 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
6488
6489         * system.h (GCOV_SIZE_TYPE): Unposion.
6490         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
6491         (GCOV_TYPE_SIZE): ...this new macro.
6492         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
6493         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
6494         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
6495         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
6496         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
6497         instead of unsigned_intSI_type_node.
6498         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
6499         (rtl_gen_one_value_profiler_no_edge_manipulation)
6500         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
6501         * value-prof.c: Include coverage.h.
6502
6503 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
6504             Diego Novillo <dnovillo@redhat.com>
6505
6506         Fix PR tree-optimization/20703
6507         Fix PR tree-optimization/20725
6508
6509         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
6510         (create_expression_by_pieces): Ditto.
6511         (valid_in_set): Ditto. Also handle tcc_declaration.
6512         (find_or_generate_expression): Handle comparison class.
6513         (insert_into_preds_of_block): Ditto.
6514         (insert_aux): Ditto.
6515         (create_value_expr_from): Handle comparison class, recursively
6516         handle reference nodes.
6517         (compute_avail): Handle comparison classes, rewrite a little cleaner.
6518         (execute_pre): Fix spacing.
6519         (do_fre): Renamed to execute_fre.
6520
6521 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6522
6523         * doc/invoke.texi (SPARC options): Document that
6524         -mlittle-endian is not supported on Linux either.
6525
6526 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6527
6528         PR target/4198
6529         PR target/12027
6530         * config.gcc (Obsolete configurations): Remove
6531         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
6532         (sparclite-*-coff*): Delete.
6533         (sparclite-*-elf*): Likewise.
6534         (sparc86x-*-elf*): Likewise.
6535         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
6536         * config/sparc/lite.h: Delete.
6537         * config/sparc/litecoff.h: Likewise.
6538         * config/sparc/liteelf.h: Likewise.
6539         * config/sparc/sp86x-elf.h: Likewise.
6540         * config/sparc/t-sparclite: Likewise.
6541         * config/sparc/t-sp86x: Likewise.
6542
6543 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
6544
6545         * config/s390/s390-protos.h: (s390_comparison,
6546         s390_alc_comparison, s390_slb_comparison, const0_operand,
6547         consttable_operand, larl_operand, s_operand,
6548         shift_count_operand, bras_sym_operand, load_multiple_operation,
6549         store_multiple_operation, s390_plus_operand): Remove prototypes.
6550         (s390_legitimate_address_without_index_p): New prototype.
6551         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
6552         to s390.h.
6553         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
6554         const0_operand, consttable_operand, larl_operand, s_operand,
6555         shift_count_operand, bras_sym_operand, load_multiple_operation,
6556         store_multiple_operation, s390_plus_operand): Move to
6557         predicates.md.
6558         (check_mode): Remove.
6559         (s390_branch_condition_mask): Remove 'static'. Move prototype to
6560         s390-protos.h.
6561         (s390_legitimate_address_without_index_p): New.
6562         * config/s390/s390.h (PREDICATE_CODES): Remove.
6563         * config/s390/s390.md: Include predicates.md.
6564         * config/s390/predicates.md: New.
6565
6566 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6567
6568         PR target/20446
6569         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
6570         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
6571         (NEED_INDICATE_EXEC_STACK): Define to 1.
6572         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
6573         (NEED_INDICATE_EXEC_STACK): Define to 1.
6574         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
6575         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
6576         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
6577         (pic_helper_emitted_p): New global.
6578         (emit_pic_helper): New function extracted from...
6579         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
6580         Do not call emit_pic_helper if delay_pic_helper is true.
6581         (sparc_expand_prologue): Pass 'false' to load_pic_register.
6582         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
6583         (sparc_file_end): New function.
6584
6585 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
6586
6587         * config/mcore/mcore-protos.h: Remove the prototypes for
6588         mcore_arith_reg_operand, mcore_general_movsrc_operand,
6589         mcore_general_movdst_operand, mcore_reload_operand,
6590         mcore_arith_J_operand, mcore_arith_K_operand,
6591         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
6592         mcore_arith_K_S_operand, mcore_arith_imm_operand,
6593         mcore_arith_any_imm_operand, mcore_arith_O_operand,
6594         mcore_literal_K_operand, mcore_addsub_operand,
6595         mcore_compare_operand, mcore_load_multiple_operation,
6596         mcore_store_multiple_operation, mcore_call_address_operand.
6597         Add a prototype for const_ok_for_mcore.
6598         * config/mcore/mcore.c (mcore_call_address_operand,
6599         mcore_general_movsrc_operand, mcore_general_movdst_operand,
6600         mcore_arith_reg_operand, mcore_reload_operand,
6601         mcore_arith_J_operand, mcore_arith_K_operand,
6602         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
6603         mcore_arith_M_operand, mcore_arith_imm_operand,
6604         mcore_arith_any_imm_operand, mcore_arith_O_operand,
6605         mcore_literal_K_operand, mcore_addsub_operand,
6606         mcore_compare_operand, mcore_load_multiple_operation,
6607         mcore_store_multiple_operation): Move to predicates.md.
6608         (const_ok_for_mcore): Export.
6609         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
6610         * config/mcore/mcore.md: Include predicates.md.
6611         * config/mcore/predicates.md: New.
6612
6613         * config/mcore/predicates.md: Fix a comment typo.
6614
6615 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
6616             Adrian Straetling  <straetling@de.ibm.com>
6617
6618         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
6619         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
6620         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
6621         attribute.
6622         ("imul"): Removed from "type" attribute.
6623         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
6624         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
6625         Changed type to imulsi.
6626         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
6627
6628 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
6629
6630         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
6631         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
6632         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
6633         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
6634         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
6635         (TARGET_SWITCHES, mcore_stack_increment_string)
6636         (TARGET_OPTIONS): Delete.
6637         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
6638         than *_BIT constants.
6639         (TARGET_8ALIGN): #undef old definition before redefining to 1.
6640         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
6641         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
6642         (mcore_override_options): Delete mcore_stack_increment code.
6643         Change use of M340_BIT to MASK_M340.
6644         * config/mcore/mcore.opt: New file.
6645
6646 2005-04-04  Ian Lance Taylor  <ian@airs.com>
6647
6648         * config/arm/arm.c (replace_symbols_in_block): Remove static
6649         function.
6650
6651 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
6652
6653         * config/fr30/fr30-protos.h: Remove the prototypes for
6654         stack_add_operand, add_immediate_operand,
6655         high_register_operand, low_register_operand, call_operand,
6656         di_operand, and nonimmediate_di_operand.
6657         * config/fr30/fr30.c (stack_add_operand,
6658         add_immediate_operand, high_register_operand,
6659         low_register_operand, call_operand, di_operand,
6660         nonimmediate_di_operand): Move to predicates.md.
6661         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
6662         * config/fr30/fr30.md: Include predicates.md.
6663         * config/fr30/predicates.md: New.
6664
6665         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
6666         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
6667         mcore_call_address_operand.
6668
6669         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
6670         general_movsrc_operand.
6671
6672 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
6673
6674         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
6675         after freeing.
6676
6677 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
6678
6679         PR target/14812
6680         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
6681         a negated value.
6682
6683 2005-04-04  Richard Henderson  <rth@redhat.com>
6684             Jakub Jelinek  <jakub@redhat.com>
6685
6686         PR rtl-optimization/16104
6687         * fold-const.c (fold_unary): Fix folding of vector conversions.
6688
6689 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
6690
6691         * config.gcc (xstormy16-*-elf): Set extra_options.
6692         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
6693         * config/stormy16/stormy16.opt: New file.
6694
6695 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
6696
6697         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
6698         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
6699         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
6700         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
6701         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
6702         (TARGET_UNIX_ASM): Delete.
6703         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
6704         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
6705         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
6706         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6707         * config/pdp11/pdp11.opt: New file.
6708
6709 2005-04-03  Roger Sayle  <roger@eyesopen.com>
6710             Alexandre Oliva  <aoliva@redhat.com>
6711
6712         PR c++/19199
6713         * fold-const.c (non_lvalue): Split tests into...
6714         (maybe_lvalue_p): New function.
6715         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
6716         C++ front-end prior to lowering into gimple form.
6717
6718 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6719
6720         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
6721         BUILT_IN_STRNCASECMP): New.
6722         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
6723         and strndup.
6724
6725 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
6726
6727         PR target/14812
6728         * arm.md (addsi3_compare0_for_combiner): Delete.
6729         (addsi3_compare0_scratch_for_combiner): Delete.
6730         (cmpsi_neg_shiftsi): Delete.
6731         (compare_negsi_si): New pattern.
6732         (cmpsi_negshiftsi_si): New pattern.
6733         (negated_cbranchsi4): Restrict to equality_operator.
6734
6735         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
6736         template.
6737
6738 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
6739
6740         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
6741         Fix comment typos.
6742
6743         * doc/install.texi: Fix a typo.
6744
6745 2005-04-03  Steven Bosscher  <stevenb@suse.de>
6746
6747         PR middle-end/20648
6748         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
6749         a computed goto if the edge to the computed goto block has
6750         incoming abnormal edges.  Clarify how the function works.
6751
6752 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
6753
6754         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
6755         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
6756         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
6757         hash_scan_set, reg_set_between_after_reload_p,
6758         reg_used_between_after_reload_p, get_avail_load_store_reg,
6759         eliminate_partially_redundant_load): Likewise.
6760         * postreload.c (reload_cse_simplify_set,
6761         reload_combine_note_use): Likewise.
6762         * predict.c (predict_insn, expected_value_to_br_prob,
6763         propagate_freq, expensive_function_p): Likewise.
6764         * print-rtl.c (print_rtx): Likewise.
6765         * profile.c (instrument_edges, instrument_values,
6766         compute_branch_probabilities, branch_prob, union_groups,
6767         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
6768         * protoize.c (in_system_include_dir, file_could_be_converted,
6769         file_normally_convertible, gen_aux_info_file, seek_to_line,
6770         do_cleaning): Likewise.
6771         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
6772         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
6773         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
6774
6775 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
6776
6777         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
6778         * modulo-sched.c (undo_replace_buff_elem): New structure.
6779         (kernel_number_of_cycles, ps_unschedule_node,
6780         undo_generate_reg_moves,free_undo_replace_buff,
6781         undo_permute_partial_schedule,  loop_single_full_bb_p,
6782         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
6783         build_loops_structure, get_sched_window): New.
6784         (generate_reg_moves): Return undo_replace_buff_elem and other
6785         fixes.
6786         (generate_prolog_epilog): Remove old loop versioning.
6787         (sms_schedule): Use loop information and loop_version.
6788         (sms_schedule_by_order): Split part of it to get_sched_window.
6789         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
6790         cfg_layout_finalize and free_dominance_info before/after SMS.
6791
6792 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
6793
6794         * cfghooks.c (lv_flush_pending_stmts,
6795         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
6796         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
6797         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
6798         lv_add_condition_to_bb,
6799         lv_adjust_loop_header_phi, extract_cond_bb_edges,
6800         flush_pending_stmts): New in cfg_hooks structure.
6801         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
6802         extract_cond_bb_edges, lv_adjust_loop_header_phi,
6803         lv_add_condition_to_bb): New declarations.
6804         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
6805         bool.
6806         (loop_version): Declare.
6807         * cfgloopmanip.c (cfghooks.h): Include.
6808         (duplicate_loop_to_header_edge): Change return type to bool.
6809         (loop_version, lv_adjust_loop_entry_edge): Move here.
6810         * cfgrtl.c (cfgloop.h): Include.
6811         (rtl_verify_flow_info_1): Fix.
6812         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
6813         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
6814         initialization.
6815         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
6816         tree_lv_add_condition_to_bb): New.
6817         (tree_cfg_hooks): Add new hooks to initialization.
6818         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
6819         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
6820
6821 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
6822
6823         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
6824         xstormy16_below100_or_register,
6825         xstormy16_splittable_below100_or_register, and
6826         nonimmediate_nonstack_operand.
6827
6828         * config/stormy16/stormy16-protos.h: Remove the prototypes for
6829         xstormy16_ineqsi_operator, equality_operator,
6830         inequality_operator, shift_operator,
6831         xstormy16_below100_operand, xstormy16_below100_or_register,
6832         xstormy16_splittable_below100_or_register,
6833         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
6834         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
6835         equality_operator, inequality_operator,
6836         xstormy16_below100_operand, xstormy16_below100_or_register,
6837         xstormy16_splittable_below100_or_register,
6838         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
6839         nonimmediate_nonstack_operand, shift_operator): Move to
6840         predicates.md.
6841         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
6842         * config/stormy16/stormy16.md: Include predicates.md.
6843         * config/stormy16/predicates.md: New.
6844
6845 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
6846
6847         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
6848         small_int, large_int, reg_or_0_operand, simple_memory_operand,
6849         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
6850         move_operand, power_of_2_operand): Move to predicates.md.
6851         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
6852         PREDICATE_CODE): Remove.
6853         * config/iq2000/iq2000.md: Include predicates.md.
6854         * config/iq2000/predicates.md: New.
6855
6856 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
6857
6858         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
6859         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
6860         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
6861         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
6862         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
6863         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
6864         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
6865         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
6866         (TARGET_M68HC11): Delete.
6867         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
6868         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
6869         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
6870         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
6871         (nb_soft_regs): Delete.
6872         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
6873         (m68hc11_override_options): Remove the code that caters for MASK_M6811
6874         and MASK_M6812 being set simultaneously.  Change the code that sets
6875         the default m68hc11_soft_reg_count to use integers instead of strings.
6876         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
6877         m68hc11_soft_reg_count (which now has an int type) as the number
6878         of soft registers.
6879         * config/m68hc11/m68hc11.opt: New file.
6880
6881 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
6882
6883         * config/fr30/fr30.h (PREDICATE_CODES): Remove
6884         fp_displacement_operand, sp_displacement_operand.
6885
6886         * config/m68hc11/m68hc11-protos.h: Add a prototype for
6887         m68hcc_auto_inc_p.
6888         Remove the prototypes for tst_operand, cmp_operand,
6889         stack_register_operand, d_register_operand,
6890         hard_addr_reg_operand, splitable_operand,
6891         m68hc11_logical_operator, m68hc11_arith_operator,
6892         m68hc11_non_shift_operator, m68hc11_shift_operator,
6893         m68hc11_unary_operator, m68hc11_eq_compare_operator,
6894         non_push_operand, hard_reg_operand, and
6895         reg_or_some_mem_operand.
6896         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
6897         extern.
6898         (tst_operand, cmp_operand, non_push_operand,
6899         splitable_operand, reg_or_some_mem_operand,
6900         stack_register_operand, d_register_operand,
6901         hard_addr_reg_operand, hard_reg_operand,
6902         m68hc11_eq_compare_operator, m68hc11_logical_operator,
6903         m68hc11_arith_operator, m68hc11_non_shift_operator,
6904         m68hc11_shift_operator, m68hc11_unary_operator): Move to
6905         predicates.md.
6906         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
6907         * config/m68hc11/m68hc11.md: Include predicates.md.
6908         * config/m68hc11/predicates.md: New.
6909
6910 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6911
6912         PR debug/19345
6913         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
6914         change checked in along with 2005-03-03's patch for debug/20253.
6915         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
6916         (remap_decl): Insert type decl in map earlier.
6917
6918 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6919
6920         PR tree-optimization/20640
6921         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
6922         post-dominator if it has phi nodes.
6923         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
6924         before dead statements.
6925
6926 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6927
6928         PR middle-end/20491
6929         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
6930
6931 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6932
6933         PR rtl-optimization/20290
6934         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
6935         in every iteration if the entry point is the exit test.
6936
6937 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
6938
6939         * config/cris/cris.md (attribute "length"): Define.
6940
6941 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
6942
6943         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
6944         (word_offset_memref_operand): New.
6945         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
6946         (indexed_or_indirect_operand): Delete.
6947         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
6948         (indexed_or_indirect_operand): Delete.
6949
6950         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
6951
6952         PR 20650
6953         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
6954         a register.
6955
6956         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
6957         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
6958
6959 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6960
6961         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
6962
6963 2005-04-01  Ian Lance Taylor  <ian@airs.com>
6964
6965         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
6966         (rus, prus): Remove static variables.
6967         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
6968         (process_command): Permit report_times and use_pipes together.
6969
6970 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
6971
6972         * c-decl.c (validate_proto_after_old_defn): Look at
6973         TYPE_MAIN_VARIANT of argument types.
6974
6975 2005-04-01  Paul Brook  <paul@codesourcery.com>
6976
6977         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
6978         (arm_output_function_epilogue): Allow call_via_SP.
6979         (thumb_call_via_reg, arm_file_end): Ditto.
6980         * config/arm/arm.h (struct machine_function): Include space for SP.
6981         (thumb_call_via_label): Update declaration.
6982
6983 2005-04-01  Ian Lance Taylor  <ian@airs.com>
6984
6985         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
6986         doing a peephole optimization, once again put any notes in the
6987         proper position.
6988
6989 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6990
6991         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
6992
6993 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
6994
6995         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
6996         (block_alloc, find_free_reg): Likewise.
6997         * loop-doloop.c (doloop_modify): Likewise.
6998         * loop-invariant.c (record_use): Likewise.
6999         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
7000         get_iv_value, canon_condition, eliminate_implied_condition,
7001         eliminate_implied_condition, simplify_using_initial_values,
7002         shorten_into_mode, canonicalize_iv_subregs,
7003         iv_number_of_iterations): Likewise.
7004         * loop-unroll.c (expand_var_during_unrolling): Likewise.
7005         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
7006         unswitch_loop): Likewise.
7007         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
7008         move_movables, replace_call_address, find_and_verify_loops,
7009         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
7010         record_giv, final_giv_value, general_induction_var,
7011         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
7012         loop_giv_dump): Likewise.
7013
7014         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
7015         GCOV_CHECK_WRITING): Remove.
7016         (gcov_position, gcov_rewrite): Use gcc_assert.
7017         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
7018         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
7019         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
7020         gcc_assert.
7021
7022 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7023
7024         * tree-inline.c: Fix a typo.
7025
7026 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
7027
7028         * configure.ac (enable-checking): Explicitly set all variables for
7029         collective switch values.  Alphabetize variables. Rename
7030         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
7031         synonym for 'no'.
7032         * doc/install.texi (enable-checking): Update documentation.
7033         * configure: Rebuilt.
7034
7035 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7036
7037         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
7038         possible.
7039
7040 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
7041
7042         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
7043         Also reject cases where this pattern will cause load delay stalls
7044         unless optimizing for size and it will produce a shorter sequence.
7045         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
7046         variants to avoid pre-adjusting the base when possible.
7047
7048 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
7049
7050         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
7051         the frame and argument pointers.
7052         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
7053         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
7054         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
7055         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
7056         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
7057         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
7058
7059 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
7060
7061         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
7062         with entry for selectany attribute.
7063         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
7064         Declare.
7065         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
7066         (i386_pe_asm_named_section): Handle sections generated by
7067         selectany attribute.
7068         * doc/extend.texi (selectany): Document attribute.
7069
7070 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
7071             Jan Hubicka  <jh@suse.cz>
7072
7073         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
7074         to fix addresses involving EBP and ESP.
7075         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
7076         for SUBREGed registers.
7077         (legitimate_address_p): Accept SUBREGed registers.
7078
7079 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
7080
7081         PR c++/19406
7082         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
7083         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
7084         for FIELD_DECLs.
7085
7086 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7087
7088         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
7089
7090 2005-04-01  James E Wilson  <wilson@specifixinc.com>
7091
7092         PR c++/20505
7093         * dwarf2out.c (rtl_for_decl_init): New function.
7094         (rtl_for_decl_location): Extracted from here.
7095         (tree_add_const_value_attribute): Call rtl_for_decl_init and
7096         add_const_value_attribute.  Delete initializer_constant_valid_p call.
7097
7098 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
7099
7100         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
7101         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
7102         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
7103         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
7104         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
7105         config/i386/i386.md, config/rs6000/predicates.md,
7106         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
7107         config/s390/s390.c, config/stormy16/stormy16.c,
7108         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
7109         typos.
7110
7111 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
7112
7113         PR c/17855
7114         * gimplify.c (gimplify_expr): Create a temporary for lvalue
7115         COND_EXPR and CALL_EXPR.
7116
7117 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
7118
7119         PR target/20632
7120         * genautomata.c (first_cycle_unit_presence): Check all alternative
7121         states for unit presence.
7122
7123         * doc/md.texi: Remove remark about impossibility to query unit
7124         presence in non nondeterministic automaton state.
7125
7126         * config/ia64/ia64.c (get_template): Change order of unit querying.
7127
7128 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
7129
7130         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
7131         obsolete comment.
7132
7133 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
7134
7135         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
7136         flag for edges outside any loops.
7137
7138 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
7139
7140         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
7141
7142 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
7143
7144         * tree-ssa-alias.c: Follow spelling conventions.
7145         * doc/tree-ssa.texi: Fix a typo.
7146
7147 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
7148
7149         * postreload-gcse.c: Include target.h.
7150         (gcse_after_reload_main): Return early if we cannot modify jumps.
7151         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
7152
7153 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
7154
7155         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
7156         expensive operations.
7157
7158 2005-03-31  Ian Lance Taylor  <ian@airs.com>
7159
7160         * collect2.c (lderrout): New variable.
7161         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
7162         if it is set, to stderr.
7163         (handler): Unlink lderrout if it is set.
7164         (dump_file): Add "to" parameter.  Change all callers.
7165         (main): Initialize lderrout.
7166         (collect_execute): Add errname parameter.  Change all callers.
7167         Rename redir parameter to outname.  Never pass
7168         PEX_STDERR_TO_STDOUT to pex_run.
7169         * collect2.h (collect_execute, dump_file): Update declarations.
7170         * tlink.c (tlink_execute): Add errname parameter.  Change all
7171         callers.
7172         (do_tlink): Check lderrout as well as ldout.
7173
7174 2005-03-31  Caroline Tice  <ctice@apple.com>
7175
7176         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
7177         (bb-reorder.o): Add errors.h to list of requirements.
7178         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
7179         profiledbootstrap flags.
7180         * bb-reorder.c (errors.h): Add new include.
7181         (struct bbro_basic_block_data_def): Add new field, in_trace.
7182         (add_unlikely_executed_notes):  Remove function.
7183         (mark_bb_for_unlikely_executed_section): Remove function.
7184         (insert_section_boundary_note): New function.
7185         (verify_hot_cold_block_grouping): New function.
7186         (push_to_next_round_p): Remove variables and tests that push all
7187         cold blocks to last round.
7188         (find_traces): Remove code that added extra round of trace finding
7189         when doing partitioning.
7190         (find_traces_1_round) :  Remove variable last_round;  add code to
7191         update new struct field, in_trace; correct trace_length where it was
7192         incorrect before (after call to copy_bb); change code that pushed all
7193         cold blocks to last round. Instead verify that all blocks going into
7194         a trace belong in the same partition.
7195         (connect_traces): Modify to connect the traces in two passes, if the
7196         function contains both hot and cold blocks.  The first pass connects
7197         all the traces for blocks in the partition that the first block in
7198         the function belongs to; the second pass connnects all the traces
7199         containing blocks that belong in the other partition.
7200         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
7201         code that automatically put the first block in a function into the
7202         hot partition if the function had any hot blocks.
7203         (fix_crossing_unconditional_branches): Check number of succ edges
7204         before attempting to get one.
7205         (fix_edges_for_rarely_executed_code):  Update comment describing
7206         function.
7207         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
7208         remove call to add_unlikely_executed_notes; add call to
7209         verify_hot_cold_block_grouping.
7210         (duplicate_computed_gotos): Don't change computed goto if it's a
7211         crossing edge.
7212         (partition_hot_cold_basic_blocks):  Update function comment.
7213         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
7214         condition.
7215         (try_forward_edges): Likewise.
7216         (merge_blocks_move_predecessor_nojumps): Likewise.
7217         (merge_blocks_move_successor_nojumps): Likewise.
7218         (merge_blocks_move): Likewise.
7219         (try_crossjump_bb): Likewise.
7220         * cfglayout.c (update_unlikely_executed_notes): Remove function.
7221         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
7222         notes to cold bb's; remove call to update_unlikely_executed_notes.
7223         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
7224         NOTE_INSN_SWITCH_TEXT_SECTIONS.
7225         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
7226         function declaration.
7227         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
7228         from consideration.
7229         (rtl_can_merge_blocks): Remove redundancy from condition.
7230         (try_redirect_by_replacing_jump): Likewise.
7231         (force_nonfallthru_and_redirect): Remove code for adding
7232         UNLIKELY_EXECUTED_CODE notes to cold bb's.
7233         (commit_one_edge_insertion): Likewise.
7234         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
7235         * dbxout.c (FORCE_TEXT): Replace function_section with
7236         current_function_section.
7237         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
7238         function, switch_text_section.
7239         (struct xcoff_debug): Likewise.
7240         (dbxout_function_end): Add code to put out label diffs for both
7241         hot and cold sections.
7242         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
7243         for new debug_hooks funciton, switch_text_section..
7244         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
7245         switch_text_section.
7246         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
7247         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
7248         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
7249         dw_fde_switched_sections.
7250         (output_call_frame_info):  Add test to see if function switches text
7251         sections in the middle; if so, use appropriate extra hot and cold
7252         section labels to compute size deltas for the hot and cold sections.
7253         (dwarf2out_begin_prologue): Add code to initialize new fields in
7254         dw_fde_struct.
7255         (dwarf2out_switch_text_section): New function (invoked through
7256         debug_hook); updates new fields in dw_fde_struct appropriately and
7257         increments separate_line_info_table_in_use.
7258         (dwarf2_debug_hooks): Initialize switch_text_section function to be
7259         dwarf2out_switch_text_section.
7260         (struct var_loc_node): Add new field, section_label.
7261         (output_aranges): Add code to check whether in hot or cold section and
7262         use the appropriate label in calculating deltas.
7263         (output_ranges): Likewise.
7264         (output_line_info): Add code to check which section we're in and
7265         use appropriate hot/cold label.
7266         (add_location_or_constant_value_attribute): Likewise.
7267         (gen_subprogam_die): Modify arange attributes to use correct labels.
7268         (dwarf2out_begin_block): Change call to function_section into call to
7269         current_function_section.
7270         (dwarf2out_end_block): Likewise.
7271         (dwarf2out_source_line): Likewise.
7272         (dwarf2out_var_location): Add code to check whether in hot or cold
7273         section and use the appropriate label.
7274         * except.c (output_function_exception_table): Change call to
7275         function_section into call to current_function_section.
7276         * final.c (profile_function): Likewise.
7277         (scan_ahead_for_unlikely_executed_note): Remove function.
7278         (final_scan_insn):  Remove calls to
7279         scan_ahead_for_unlikely_executed_note, and related code for switching
7280         to cold section, except for the single time
7281         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
7282         debug_hooks->switch_text_sections; replace appropriate calls to
7283         function_section with calls to current_function_section.
7284         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
7285         test_bb to condition.
7286         (find_if_case_2): Likewise.
7287         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
7288         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
7289         * opts.c (decode_options): Change warning about hot/cold partitioning
7290         with exceptionss to inform (so as not to cause bootstrap failures);
7291         remove warning about partitioning with DWARF debug info.
7292         * output.h (current_function_section): Add new function decl.
7293         (insert_section_boundary_note): Likewise.
7294         (enum in_section): Move this declaration here from varasm.c.
7295         (unlikely_section_label): Likewise.
7296         (unlikely_text_section_name): Likewise.
7297         (last_text_section_name): New global variable.
7298         (last_text_section): Likewise.
7299         (hot_section_label): Likewise.
7300         (hot_section_end_label): Likewise.
7301         (cold_section_end_label): Likewise.
7302         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
7303         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
7304         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
7305         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
7306         insn from consideration.
7307         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
7308         switch_text_section.
7309         * varasm.c (basic-block.h): Add new include.
7310         (unlikely_section_label_printed): Remove global variable.
7311         (unlikely_section_label): Make global variable not be static any more.
7312         (unlikely_text_section_name): Likewise.
7313         (hot_section_end_label): New global variable (not static)
7314         (first_function_block_is_cold): Likewise.
7315         (hot_section_label): Likewise.
7316         (cold_section_end_label): Likewise..
7317         (last_text_section): New global variable, not static.
7318         (last_text_section_name): New global variable, not static.
7319         (initialize_cold_section_name): New function.
7320         (enum in_section): Move declaration to output.h.
7321         (text_section): Update last_text_section.
7322         (unlikely_text_section): Replace code to determine cold section name
7323         with call to initialize_cold_section_name; Add code to update
7324         last_text_section; remove code for printing out label.
7325         (named_section_real): Add code to update last_text_section and
7326         last_text_section_name as appropriate.
7327         (function_section): Change test for 'unlikely' to depend on
7328         first_function_block_is_cold (moved old test to
7329         current_function_section).
7330         (current_function_section): New function.
7331         (assemble_start_function): Move code that frees
7332         unlikely_text_section_name; initialize hot_section_end_label;
7333         print hot and cold section labels at the start of the function;
7334         set first_function_block_is_cold, if appropriate; initialize l
7335         ast_text_section; add call to insert_section_boundary_note.
7336         (assemble_end_function):  Add code to write out hot and cold section
7337         end labels.
7338         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
7339         switch_text_section.
7340         * config/darwin.c (machopic_select_section): Replace incorrect
7341         function in base_funs; update reloc for cold sections if necessary.
7342         * config/darwin.h (SECTION_FUNCTION):  Add code to update
7343         last_text_section if appropriate.
7344         (text_unlikely_section): Remove.
7345         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
7346         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
7347         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
7348         partitioning for this architecture.
7349
7350 2005-03-31  Olivier Hainque  <hainque@adacore.com>
7351
7352         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
7353         defined and non-zero.
7354
7355 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
7356
7357         PR c++/18644
7358         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
7359         semantics.
7360
7361 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
7362
7363         PR target/20611
7364         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
7365         label operand.  Remove (use (unspec..)).  Don't emit a label on
7366         the offset word.
7367         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
7368         generate inline label for load_toc_v4_PIC_1b.
7369         (rs6000_emit_load_toc_table): Likewise.
7370
7371 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
7372
7373         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
7374         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
7375
7376 2005-03-29  Devang Patel  <dpatel@apple.com>
7377
7378         * tree-sra.c (decide_block_copy): Disable scalarization of
7379         sub-elements.
7380
7381 2005-03-30  Stuart Hastings  <stuart@apple.com>
7382             Dale Johannesen  <dalej@apple.com>
7383
7384         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
7385         * print-tree.c (print_node):  Add case STATEMENT_LIST.
7386
7387 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
7388
7389         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
7390         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
7391         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
7392         is given with "powerpc64*" or "all", or when --with-cpu chooses
7393         a 64-bit cpu.
7394
7395 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
7396
7397         PR debug/20268
7398         * dwarf2out.c (add_high_low_attributes): New function, extracted from
7399         gen_lexical_block_die.
7400         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
7401
7402 2005-03-31  Jan Hubicka  <jh@suse.cz>
7403
7404         2004-11-02  Jan Hubicka  <jh@suse.cz>
7405
7406         * cgraph.c (cgraph_varpool_node_name): New function.
7407         (dump_cgraph_varpool_node): New function.
7408         (dump_varpool): New function.
7409         * cgraphunit.c (cgraph_optimize): Dump varpool.
7410
7411         2004-10-16  Jan Hubicka  <jh@suse.cz>
7412
7413         * cgraph.c (decide_is_variable_needed): New function.
7414         (cgraph_varpool_finalize_decl): Use it.
7415         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
7416         unit-at-a-time.
7417         * final.c (output_addr_const): Do not call mark_referenced.
7418         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
7419         always go via cgraph.
7420         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
7421         (check_global_declarations): Ifdef out code clearing DECL_RTL.
7422         * tree-optimize.c (execute_inline): Mark functions called.
7423         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
7424
7425         2004-10-11  Jan Hubicka  <jh@suse.cz>
7426
7427         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
7428         (cgraph_varpool_last_needed_node): New static variable.
7429         (enqueue_needed_varpool_node): Break out from ...; add items to the
7430         end of queue; update first pointers.
7431         (cgraph_varpool_mark_needed_node): ... here.
7432         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
7433         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
7434         * cgraph.h (cgraph_varpool_node): Add analyzed field.
7435         (cgraph_varpool_first_unanalyzed_node): Declare.
7436         * cgraphunit.c: Include output.h.
7437         (cgraph_varpool_analyze_pending_decls): New function.
7438         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
7439         for errors, analyze pending decls.
7440         (cgraph_finalize_compilation_unit): Only analyze decls.
7441         (cgraph_optimize): Assemble the decls after expanding.
7442
7443 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
7444
7445         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
7446         subvars get marked properly in tags for grouping.
7447         (add_pointed_to_var): Mark only actual pointed to
7448         variables/subvars in addresses needed.
7449         (create_overlap_variables_for): Clear call clobbered on original
7450         variable.
7451         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
7452         addresable vars with subvars into list.
7453         * tree-ssa.c (verify_ssa_name): Verify original is not used where
7454         subvar should be.
7455
7456 2005-03-30  Richard Henderson  <rth@redhat.com>
7457
7458         * cgraph.h (struct cgraph_node): Add alias.
7459         * varasm.c (assemble_alias): Set it.
7460         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
7461         avoid calling cgraph_expand_function.
7462
7463 2005-03-30  Tom Tromey  <tromey@redhat.com>
7464
7465         * tree.def (FILE_TYPE): Removed.
7466         * typeclass.h (enum type_class): Removed file_type_class.
7467         * dwarf2out.c (is_base_type): Updated.
7468         (gen_type_die): Likewise.
7469         * dbxout.c (dbxout_type): Updated.
7470         * builtins.c (type_to_class): Updated.
7471         * tree.c (type_contains_placeholder_1): Updated.
7472         * config/sparc/sparc.c (sparc_type_code): Updated.
7473         * config/ia64/ia64.c (hfa_element_mode): Updated.
7474         * expr.c (count_type_elements): Updated.
7475         * stor-layout.c (layout_type): Updated.
7476         * tree-inline.c (remap_type): Updated.
7477         * tree-pretty-print.c (dump_generic_node): Updated.
7478
7479 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
7480
7481         * builtins.c (expand_builtin_powi): Fix mode of
7482         2nd argument to match int.
7483         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
7484         2nd argument type to int.
7485         * libgcc2.c: Change prototype of __powi* functions to use
7486         int.
7487
7488 2005-03-30  Dale Johannesen  <dalej@apple.com>
7489
7490         PR middle-end/19225
7491         * calls.c (expand_call):  Flush pending deferrals before
7492         throwing call.
7493
7494 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
7495
7496         PR c/772
7497         PR c/17913
7498         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
7499         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
7500         c_label_context, label_context_stack): New.
7501         * c-decl.c (define_label): Check for jumps into statement
7502         expressions.  Add label to list of defined labels.
7503         (start_function): Push context on label_context_stack.
7504         (finish_function): Pop context from label_context_stack.
7505         * c-typeck.c (label_context_stack): New.
7506         (c_finish_goto_label): Check for jumps into statement
7507         expressions.  Add label to list of jumped to labels.
7508         (struct c_switch): Add blocked_stmt_expr.
7509         (c_start_case): Initialize it.
7510         (do_case): Check it.
7511         (c_finish_case): Verify !blocked_stmt_expr.
7512         (c_begin_stmt_expr):  Push context on label_context_stack.
7513         Increment blocked_stmt_expr.  Mark labels jumped to from outside
7514         as undefinable.
7515         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
7516         defined in the statement expression and no longer jumpable to.
7517         Mark labels jumped to from just outside the statement expression
7518         as again definable.  Pop context from label_context_stack.
7519         * doc/extend.texi (Statement Exprs): Update.
7520
7521 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
7522
7523         PR c/20368
7524         * c-decl.c (start_function): Check for old_decl being
7525         error_mark_node.
7526
7527 2005-03-30  Ian Lance Taylor  <ian@airs.com>
7528
7529         * final.c (final): Remove prescan parameter.  Change all callers.
7530         (final_scan_insn): Remove prescan parameter.  Change all callers.
7531
7532 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
7533
7534         * tree-vectorizer.c: Fix comment typos.
7535
7536 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
7537
7538         * tree-scalar-evolution.c (instantiate_parameters_1): Return
7539         as soon as a chrec_dont_know is detected.
7540
7541 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
7542
7543         Merge from csl-arm-branch.
7544         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
7545
7546         * tlink.c (recompile_files): Do not assume that "rename" can
7547         overwrite an existing file.
7548
7549 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
7550
7551         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
7552         * gcc/configure: Regenerate.
7553
7554 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
7555
7556         * doc/install.texi: Update binutils requirement for powerpc*-linux.
7557
7558         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
7559
7560         * calls.c (struct arg_data): Update "partial" comment.
7561         (load_register_parameters): Update "nregs" comment.
7562
7563 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
7564
7565         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
7566         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
7567         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
7568         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
7569         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
7570         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
7571         than target_flags & 0.
7572         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
7573         (iq2000_arch, iq2000_parse_cpu): Delete.
7574         (TARGET_HANDLE_OPTION): Override default.
7575         (iq2000_handle_option): New function.
7576         (override_options): Remove -march= and -mcpu= handling.
7577         * config/iq2000/iq2000.opt: New file.
7578
7579 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
7580
7581         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
7582         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
7583         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
7584         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
7585         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
7586         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
7587         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
7588         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
7589         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
7590         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
7591         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
7592         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
7593         (c4x_rpts_cycles_string, c4x_cpu_version_string)
7594         (TARGET_OPTIONS): Delete.
7595         (c4x_rpts_cycles, c4x_cpu_version): Declare.
7596         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
7597         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
7598         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
7599         (c4x_cpu_version_string): Delete.
7600         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7601         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
7602         equivalent -mcpu= option.
7603         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
7604         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
7605         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
7606         or clearing the appropriate MASK_* bit.
7607         (c4x_file_start): Use c4x_cpu_version.
7608         * config/c4x/c4x.opt: New file.
7609
7610 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
7611
7612         * doc/options.texi: Document the new MaskExists flag.
7613         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
7614         if the option has the MaskExists flag.
7615
7616 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
7617
7618         * opt-functions.awk (flag_set_p, test_flag): New functions.
7619         (switch_flags): Use them.
7620         * opth-gen.awk: Use flag_set_p to check for flags.
7621         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
7622
7623 2005-03-30  Ian Lance Taylor  <ian@airs.com>
7624
7625         * config.host (i[34567]86-*-mingw32*): Don't set
7626         host_can_use_collect2 to no.
7627
7628 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
7629
7630         PR target/20203
7631         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
7632         Remove convert_memory_address call duplicating that in memory_address.
7633
7634 2005-03-29  Richard Henderson  <rth@redhat.com>
7635
7636         PR c/20519
7637         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
7638         (build_compound_literal): Likewise.  Propagate decl type into the
7639         initializer.
7640         (finish_decl): Likewise.  Use new return value from complete_array_type
7641         for zero sized arrays.
7642         (complete_array_type): Move ...
7643         * c-common.c (complete_array_type): ... here.  Change first argument
7644         to pointer-to-type-node.  Consistently use sizetype for the index
7645         except for zero sized arrays.  Detect zero sized arrays for pedantic
7646         mode diagnostics.  Create a new type node instead of modifying the
7647         old node in place.
7648         * c-tree.h (complete_array_type): Move decl ...
7649         * c-common.h (complete_array_type): ... here.
7650
7651 2005-03-29  Richard Henderson  <rth@redhat.com>
7652
7653         PR tree-opt/19108
7654         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
7655
7656 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
7657
7658         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
7659         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
7660         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
7661         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
7662
7663 2005-03-29  Eric Christopher  <echristo@redhat.com>
7664
7665         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
7666         truthvalue conversion removal.
7667
7668 2005-03-29  Ian Lance Taylor  <ian@airs.com>
7669
7670         PR bootstrap/14316
7671         * collect2.c: Never include <vfork.h>.
7672         (VFORK_STRING, vfork): Don't define.
7673         (pid): Remove global variable.
7674         (handler): Call raise instead of kill (getpid(), ...).
7675         (collect_wait): Add pex parameter.  Change all callers.  Use
7676         pex_get_status rather than pwait.
7677         (do_wait): Add pex parameter.  Change all callers.
7678         (collect_execute): Return struct pex_obj * rather than void.  Use
7679         pex routines rather than pexecute.
7680         (fork_execute): Get pex_obj from collect_execute, and pass it to
7681         do_wait.
7682         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
7683         Only declare quit_handler if SIGQUIT is defined.
7684         (scan_libraries): Likewise.
7685         * collect2.h (collect_execute): Update declaration.
7686         (collect_wait): Update declaration.
7687         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
7688         pass it to collect_wait.
7689
7690 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
7691
7692         PR c/20672
7693         * c-parser.c (c_parser_compound_statement_nostart): Give error
7694         message for EOF instead of just setting parser->error.
7695
7696 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
7697
7698         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
7699         (slpeel_update_phi_nodes_for_guard1): New function.
7700         (slpeel_update_phi_nodes_for_guard2): New function.
7701         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
7702         of slpeel_update_phi_nodes_for_guard.
7703         (vectorize_loops): Remove call to loop_closed_rewrite.
7704         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
7705         assertion.
7706
7707 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
7708
7709         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
7710         (TARGET_LITTLE_ENDIAN): New macro.
7711         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
7712         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
7713         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
7714         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
7715         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
7716         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
7717         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
7718         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
7719         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
7720         (TARGET_OPTIONS): Delete.
7721         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
7722         (CACHE_FLUSH_TRAP): Turn into an integer.
7723         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
7724         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
7725         -mflush-trap is in use.
7726         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
7727         (m32r_cache_flush_trap_string): Delete.
7728         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
7729         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
7730         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
7731         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7732         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
7733         -mmodel= and -msdata= handling from...
7734         (m32r_init): ...here.
7735         * config/m32r/m32r.opt: New file.
7736
7737 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
7738
7739         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
7740         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
7741         * tree-vect-analyze.c (vect_object_analysis): additional parm
7742         pass back a "struct ptr_info_def *" with the points-to info.
7743         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
7744         statement using info returned from vect_object_analysis.
7745         * tree-vect-transform.c (update_vuses_to_preheader): New function.
7746         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
7747         for virtual uses and defs when creating a replacement vector
7748         reference.  Call duplicate_ssa_name_ptr_info to define points-to
7749         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
7750         (vectorizable_store): copy_virtual_operands and update
7751         definition statements.
7752         (vectorizable_load): copy_virtual_operands.  Remove call to
7753         mark_call_clobbered_vars_to_rename for call to "const" builtin.
7754         * tree-vectorizer.c (vectorize_loops): Remove calls to
7755         rewrite_into_ssa and bitmap_clear (vars_to_rename).
7756         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
7757         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
7758         define macro STMT_VINFO_PTR_INFO for use in accessing.
7759         * tree.h add export of duplicate_ssa_name_ptr_info.
7760         * rs6000.c (altivec_init_builtins): Declare builtin function
7761         __builtin_altivec_mask_for_load to be "const".
7762
7763 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
7764
7765         PR middle-end/20622
7766         * cgraph.h (struct cgraph_varpool_node): Add alias field.
7767         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
7768         assemble_variable on aliases.
7769         * varasm.c (assemble_alias): Set node->alias.
7770         * toplev.c (wrapup_global_declarations): Don't call
7771         rest_of_decl_compilation on aliases again.
7772
7773 2005-03-29  Paul Brook  <paul@codesourcery.com>
7774
7775         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
7776         * config/arm/arm.c (arm_dbx_register_number): New function.
7777         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
7778
7779 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
7780
7781         PR middle-end/20263
7782         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
7783         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
7784
7785 2005-03-29  Dale Johannesen <dalej@apple.com>
7786
7787         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
7788         $(TREE_H) and $(COVERAGE_H).
7789         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
7790         * opts.c (common_handle_option): Enable tree-based value transforms.
7791         * toplev.c (process_options): Ditto.
7792         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
7793         refers to references to this type.
7794         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
7795         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
7796         for may_be_more, may_be_less.
7797         (rtl_gen_pow2_profiler): Adjust.
7798         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
7799         (rtl_gen_one_value_profiler): Adjust.
7800         (rtl_gen_const_delta_profiler): Adjust.
7801         * tree-profile.c (tree_gen_interval_profiler): Implement.
7802         (tree_gen_pow2_profiler): Ditto.
7803         (tree_gen_one_value_profiler): Ditto.
7804         (tree_profiling): New.
7805         (pass_tree_profile): Reference it.
7806         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
7807         tree.h, gcov-io.h.
7808         (insn_divmod_values_to_profile): Rename to
7809         rtl_divmod_values_to_profile. Adjust.
7810         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
7811         (insn_prefetch_values_to_profile): Adjust.
7812         (rtl_value_profile_transformations): Adjust.
7813         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
7814         (gen_mod_pow2): Rename to rtl_mod_pow2.
7815         (gen_mod_subtract): Rename to rtl_mod_subtract.
7816         (divmod_fixed_value_transform): Rename to
7817         rtl_divmod_fixed_value_transform.
7818         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
7819         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
7820         (rtl_find_values_to_profile): Adjust.
7821         (tree_value_profile_transformations): Implement.
7822         (tree_divmod_values_to_profile): New.
7823         (tree_values_to_profile): New.
7824         (tree_divmod_fixed_value): New.
7825         (tree_mod_pow2): New.
7826         (tree_mod_subtract): New.
7827         (tree_divmod_fixed_value_transform): New.
7828         (tree_mod_pow2_value_transform): New.
7829         (tree_mod_subtract_transform): New.
7830         (tree_find_values_to_profile): Implement.
7831         * profile.c (instrument_values):  Free histograms.
7832         (compute_value_histograms): Adjust. Implement tree version.
7833
7834 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
7835
7836         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
7837         * config/i386/i386.c (output_fix_trunc): Add new round_mode
7838         variable.  Output "fldcw" depending on round_mode.
7839         * config/i386/i386.md (UNSPEC_FIST): New.
7840         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
7841         New isns patterns to implement lrint and llrint built-ins as x87
7842         intrinsic function.
7843         (fistdi2, fist<mode>2 splitters): New splitters.
7844         (lrint<mode>2): New expanders.
7845
7846 2005-03-28  Ian Lance Taylor  <ian@airs.com>
7847
7848         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
7849         0 when calling final_scan_insn.
7850
7851 2005-03-28  Jan Hubicka  <jh@suse.cz>
7852
7853         PR middle-end/20635
7854         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
7855         as needed.
7856
7857         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
7858         types where possible.
7859
7860 2005-03-26  Per Bothner  <per@bothner.com>
7861
7862         Make -f[no-]show-column also control non-cpp diagnostics.
7863         * c.opt (fshow-column): Move option from here ...
7864         * common.opt (fshow-column): ... to here.
7865         * diagnostic.c (diagnostic_build_prefix): Only print column number
7866         if flag_show_column.
7867
7868 2005-03-27  Steven Bosscher  <stevenb@suse.de>
7869
7870         * vax-protos.h (vax_output_int_move, vax_output_int_add,
7871         vax_output_conditional_branch): New prototypes.
7872         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
7873         extracted from vax.md mov and add patterns.
7874         (vax_output_conditional_branch): New function to output conditional
7875         branch instructions.
7876         * vax.md: Use mode macros for arithmetic and mov patterns.
7877         Use code macros for the jump patterns.
7878
7879 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
7880
7881         * Makefile.in (libbackend.o): Depend on version files;
7882         add custom generation command.
7883
7884 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
7885
7886         PR target/20636
7887         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
7888         sure that we have a REG before getting its REGNO.
7889
7890 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7891
7892         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
7893         * builtins.def (BUILT_IN_STRNDUP): New.
7894
7895 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
7896
7897         PR tree-optimization/20470
7898         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
7899         ABS(x-y).
7900
7901 2005-03-25  Mike Stump  <mrs@apple.com>
7902
7903         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
7904         sized objects.
7905
7906 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
7907
7908         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
7909         Use our own structure definitions.
7910
7911         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
7912         (fix_truncdfsi2): Allow registers or memory as destination.
7913         When TARGET_PPC_GFXOPT, generate simplified pattern.
7914         (fix_truncdfsi2_internal): Use define_insn_and_split.
7915         (fix_truncdfsi2_internal_gfxopt): New.
7916         (fctiwz): Don't confuse register allocation by giving it no choices.
7917         (stfiwx): New.
7918         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
7919         (EXTRA_MEMORY_CONSTRAINT): Likewise.
7920         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
7921         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
7922
7923 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
7924
7925         * dominance.c (free_dominance_info): Speed up by freeing et
7926         data structures without maintaining other nodes.
7927         * et-forest.c (et_free_tree_force): New.
7928         * et-forest.h: Add a prototype for et_free_tree_force.
7929
7930         * tree.c (get_set_constructor_bits,
7931         get_set_constructor_bytes): Remove.
7932         * tree.h: Remove the corresponding prototypes.
7933
7934 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
7935
7936         PR target/15491
7937         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
7938         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
7939         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
7940         PRE_DEC, NEG and NOT.
7941
7942 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
7943
7944         * fold-const.c: Convert uses of fold (build (...)) to
7945         fold_buildN.
7946
7947 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
7948
7949         PR rtl-optimization/20249
7950         * cse.c (insert_regs): Do not record equivalence of registers in
7951         different modes.
7952
7953 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
7954
7955         * emit-rtl.c (reverse_comparison): Remove.
7956         * rtl.h: Remove the corresponding prototype.
7957
7958 2005-03-24  James E Wilson  <wilson@specifixinc.com>
7959
7960         * doc/install.texi (--enable-altivec): Delete docs.
7961
7962 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
7963
7964         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
7965         SFmode and DFmode before reload when
7966         flag_unsafe_math_optimizations not enabled.
7967
7968 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
7969
7970         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
7971
7972         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
7973         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
7974
7975 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
7976
7977         * configure.ac (enable-checking): Add 'runtime' option.
7978         * doc/install.texi (enable-checking): Document 'runtime' checking.
7979         * tsystem.h (gcc_assert, gcc_unreachable): Define.
7980         * config.in: Regenerated.
7981         * configure: Regenerated.
7982
7983 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
7984
7985         * optabs.h (enum optab_index): Remove OTI_llrint.
7986         (llrint_optab): Remove macro.
7987         * optabs.c (init_optabs): Remove llrint_optab initialization.
7988         * genopinit.c (optabs): Remove llrint_optab implementation.
7989         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
7990         using lrint_optab.
7991
7992 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
7993
7994         PR rtl-optimization/20532
7995         * simplify-rtx.c (simplify_binary_operation_1): Protect from
7996         overflow when adding coefficients for PLUS or MINUS.
7997         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
7998         two as multiplier.
7999
8000 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
8001
8002         * langhooks.h (truthvalue_conversion): Remove.
8003         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
8004         LANG_HOOKS_TRUTHVALUE_CONVERSION.
8005         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
8006         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
8007         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
8008
8009 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
8010
8011         * params.def: Fix a typo.
8012         * config/mips/mips.c: Follow the spelling convensions.
8013         * doc/invoke.texi: Fix typos.
8014
8015 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
8016
8017         Fix PR tree-optimization/20601
8018
8019         * tree-ssa-pre.c (insert_aux): Add missing condition to
8020         constification.
8021
8022 2005-03-23  Ian Lance Taylor  <ian@airs.com>
8023
8024         * final.c (final_scan_insn): Don't remove no-op instructions.
8025         * reload1.c (reload): Remove simple no-op instructions even when
8026         not optimizing.
8027
8028 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
8029
8030         PR tree-optimization/20501
8031         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
8032         reporting that peeling for alignment is applied moved to...
8033         * (vect_analyze_data_refs_alignment): Here.
8034
8035 2005-03-23  Ian Lance Taylor  <ian@airs.com>
8036
8037         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
8038
8039 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8040
8041         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
8042         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
8043
8044 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
8045
8046         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
8047         imply that this is called once, independent of asms in code.
8048         Adjust to now being pased output and input lists.  Mention helper
8049         function decl_overlaps_hard_reg_set_p.
8050         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
8051         hook_tree_tree_identity and to take three trees, returning third.
8052         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
8053         prototype.
8054         * stmt.c: include hard-reg-set.h before tree.h.
8055         (decl_overlaps_hard_reg_set_p): New function, broken out from...
8056         (decl_conflicts_with_clobbers_p): Call
8057         decl_overlaps_hard_reg_set_p.
8058         (expand_asm_operands): Pass output and input lists in call to
8059         targetm.md_asm_clobbers.
8060         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
8061         hook_tree_tree_tree_tree_3rd_identity.
8062         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
8063         parameters.
8064         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
8065         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
8066         parameters, first two unused.
8067         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
8068         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
8069         in constraint letters and MOF is not mentioned as a asm-declared
8070         register in neither of the input and output lists.
8071
8072 2005-03-23  DJ Delorie  <dj@redhat.com>
8073
8074         * optabs.c (expand_binop): Make sure the first subword's result
8075         gets stored.
8076
8077 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
8078
8079         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
8080         Call c_common_truthvalue_conversion rather than
8081         lang_hooks.truthvalue_conversion.
8082         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
8083         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
8084         c-typeck.c.
8085         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
8086         c_common_truthvalue_conversion.
8087         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
8088         c_parser_conditional_expression, c_parser_binary_expression): Call
8089         c_objc_common_truthvalue_conversion.
8090         * c-typeck.c (build_unary_op): Call
8091         c_objc_common_truthvalue_conversion.
8092         (build_conditional_expr): Do not call
8093         lang_hooks.truthvalue_conversion.
8094         (build_binary_op): Call c_common_truthvalue_conversion.
8095         (c_objc_common_truthvalue_conversion): Moved from
8096         c-objc-common.c.  Call default_function_array_conversion instead
8097         of default_conversion.
8098
8099 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
8100
8101         * c-common.h (default_conversion): Remove.
8102         (perform_integral_promotions): Add.
8103         * c-tree.h (default_conversion): Add.
8104         * c-typeck.c (perform_integral_promotions): New, split out from
8105         default_conversion.
8106         * c-common.c (check_case_value): Use perform_integral_promotions,
8107         not default_conversion.
8108         (c_add_case_label): Don't continue processing case label after
8109         found to be pointer.
8110
8111 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
8112
8113         * gcc.c (do_spec_1): Do not add a -L path for a directory in
8114         the prefix list if we have already added a multilib directory
8115         based on that path.
8116         (main): Do not add MD_EXEC_PREFIX to the list of directories to
8117         search with -L.
8118
8119 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
8120
8121         * reload1.c (indirect_symref_ok, reload_obstack): Make them
8122         static.
8123         * reload.h: Remove the prototype for indirect_symref_ok.
8124
8125         * reload1.c (indirect_symref_ok): Make it global.
8126         * reload.h: Add a prototype for indirect_symref_ok.
8127
8128 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
8129
8130         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
8131         ashlhi3 expander.
8132
8133 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
8134
8135         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
8136
8137 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
8138
8139         * c-opts.c (c_common_parse_file): Only start/end main source file
8140         if debug hooks says the writer wants it.
8141         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
8142         member.
8143         (xcoff_debug_hooks): Ditto.
8144         * debug.c (do_nothing_hooks): Ditto.
8145         * debug.h (gcc_debug_hooks): Ditto.
8146         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
8147         * sdbout.c (sdb_debug_hooks): Ditto.
8148         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
8149
8150 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
8151
8152         * doc/extend.texi: Deprecate C++ min/max operators.
8153
8154 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
8155
8156         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
8157         artificial original candidates.
8158
8159 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
8160             Jan Hubicka  <jh@suse.cz>
8161             Steven Bosscher <stevenb@suse.de>
8162
8163         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
8164         call cost based on argument sizes.
8165         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
8166         inlining.
8167         * params.def: (max-inline-inssn-single): Set to 450.
8168         (max-inline-insns-auto): Set to 90.
8169         (max-inline-insns-recursive): Set to 450
8170         (max-inline-insns-recursive-auto): Set to 450.
8171         (large-function-insns): Set to 2700.
8172         (inline-call-cost): New parameter.
8173         * tree-inline.c (estimate_move_cost): New function.
8174         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
8175         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
8176         based on arguments.
8177         * tree-inline.h (estimate_move_cost): Declare.
8178         * invoke.texi: (max-inline-inssn-single): Change default to 450.
8179         (max-inline-insns-auto): Change default to 90.
8180         (max-inline-insns-recursive): Change default to 450
8181         (max-inline-insns-recursive-auto): Change default to 450.
8182         (large-function-insns): Change default to 2700.
8183         (inline-call-cost): Document new parameter.
8184
8185 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
8186
8187         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
8188         (TARGET_DEFAULT): Delete.
8189         * config/i860/i860.opt: New file.
8190
8191 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
8192
8193         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
8194         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
8195         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
8196         (frv_sched_lookahead): Delete.
8197         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
8198         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
8199         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
8200         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
8201         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
8202         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
8203         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
8204         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
8205         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
8206         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
8207         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
8208         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
8209         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
8210         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
8211         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
8212         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
8213         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
8214         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
8215         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
8216         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
8217         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
8218         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
8219         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
8220         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
8221         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
8222         (frv_sched_lookahead): Delete.
8223         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
8224         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8225         (frv_handle_option): New function.  Move -mcpu= handling from...
8226         (frv_override_options): ...here.  Remove handling of other
8227         TARGET_OPTIONS.
8228         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
8229         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
8230         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
8231         and TARGET_NO_MULTI_CE.
8232         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
8233         !TARGET_VLIW_BRANCH.
8234         * config/frv/frv.opt: New file.
8235
8236 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
8237
8238         * fold-const.c (fold_ternary): Take decomposed arguments of
8239         CALL_EXPR.
8240         (fold): Update a call to fold_ternary.
8241
8242         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
8243         * tree.h: Add corresponding prototypes.
8244
8245 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
8246
8247         PR target/20561
8248         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
8249         between jump table and its label.
8250         * final.c (shorten_branches): Handle notes in between ADDR_VEC
8251         resp. ADDR_DIFF_VEC and the label preceeding it.
8252         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
8253         is emitted in the right section.
8254
8255 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
8256
8257         * fold-const.c (fold_unary, fold_binary): Update comments
8258         about arguments.
8259
8260 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
8261
8262         PR rtl-optimization/20527
8263         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
8264         REG_INC note, test that the register also isn't mentioned in PRED
8265         or SUCC.
8266
8267 2005-03-22  Ben Elliston  <bje@au.ibm.com>
8268
8269         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
8270         and definition.
8271
8272 2005-03-21  Mike Stump  <mrs@apple.com>
8273
8274         * varasm.c (default_assemble_visibility): Remove extra ().
8275
8276 2005-03-21  Roger Sayle  <roger@eyesopen.com>
8277
8278         PR middle-end/20557
8279         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
8280         to determine whether a block can be duplicated, rather than test
8281         whether the block contains noncopyable insns ourselves.
8282
8283 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8284
8285         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
8286         predicates.
8287
8288 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
8289
8290         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
8291
8292 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
8293
8294         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
8295         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
8296         * config/fr30/fr30.opt: New file.
8297
8298 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
8299
8300         Fix PR tree-optimization/20542
8301
8302         * tree-flow-inline.h (overlap_subvar): Move to here.
8303         * tree-ssa-operands.c: From here.
8304         * tree-flow.h (overlap_subvar): Declare.
8305         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
8306         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
8307         for variables with subvars.
8308
8309 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
8310
8311         PR middle-end/20177
8312         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
8313         * modulo-sched.c (const_iteration_count): Return on NULL
8314         pre-header.
8315         (print_node_sched_params): Return on NULL dump_file.
8316         (generate_reg_moves): Handle reg-anti dependencies and disregard
8317         closing branch when generating register moves.
8318         (sms_schedule): Mark the SMSed block dirty.
8319         * passes.c (rest_of_handle_sms): Call update_life_info for all
8320         basic-blocks.
8321         * testsuite/gcc.dg/20050321-1.c: New test.
8322
8323 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
8324
8325         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
8326         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
8327         movqi_internal): Likewise.
8328
8329 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
8330
8331         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
8332         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
8333         xtensa_b4const): Delete prototypes.
8334         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
8335         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
8336         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
8337         xtensa_extra_constraint): New prototypes.
8338         (add_operand, arith_operand, nonimmed_operand, mem_operand,
8339         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
8340         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
8341         move_operand, const_float_1_operand, fpmem_offset_operand,
8342         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
8343         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
8344         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
8345         argument type to HOST_WIDE_INT.
8346         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
8347         xtensa_mask_immediate): Likewise.
8348         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
8349         Likewise.  Also make these functions static.
8350         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
8351         (xtensa_const_ok_for_letter_p): New.
8352         (add_operand, arith_operand, nonimmed_operand, mem_operand,
8353         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
8354         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
8355         move_operand, const_float_1_operand, fpmem_offset_operand,
8356         branch_operator, ubranch_operator, boolean_operator): Move to
8357         predicates.md.
8358         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
8359         (xtensa_mem_offset): Change return type to bool.
8360         (xtensa_extra_constraint): New.
8361         (gen_int_relational): Update type of const_range_p function pointer.
8362         Use xtensa_b4const_or_zero.
8363         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
8364         xtensa_const_ok_for_letter_p.  Update comments.
8365         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
8366         (PREDICATE_CODES): Delete.
8367         * config/xtensa/xtensa.md: Include predicates.md.
8368         * config/xtensa/predicates.md: New file.
8369
8370 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8371
8372         * config/v850/v850-protos.h: Remove the prototypes for
8373         reg_or_int9_operand, reg_or_const_operand,
8374         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
8375         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
8376         movsi_source_operand, power_of_two_operand,
8377         not_power_of_two_operand, special_symbolref_operand,
8378         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
8379         register_is_ok_for_epilogue.
8380         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
8381         reg_or_int9_operand, reg_or_const_operand,
8382         call_address_operand, special_symbolref_operand,
8383         movsi_source_operand, power_of_two_operand,
8384         not_power_of_two_operand, register_is_ok_for_epilogue,
8385         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
8386         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
8387         predicates.md.
8388         * config/v850/v850.h (PREDICATE_CODES): Remove.
8389         * config/v850/v850.md: Include predicates.md.
8390         * config/v850/predicates.md: New.
8391
8392 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
8393
8394         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
8395         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
8396         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
8397         (itoolsdir, itoolsdatadir): Move definition above new first use.
8398         (install-itoolsdirs): New rule.
8399         (install-mkheaders): Depend on install-itoolsdirs, not
8400         install-include-dir.
8401
8402 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8403
8404         * tree-into-ssa.c: Remove obsolete comments.
8405
8406 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
8407
8408         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
8409         unrolling if -fpeel-loops is specified, too.
8410         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
8411         Remove superfluous check for flag_unroll_loops.
8412
8413 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
8414
8415         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
8416         (lrint_optab, llrint_optab): Define corresponding macros.
8417         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
8418         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
8419         pattern and llrint_optab using llrintdi2 patterns.
8420         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
8421         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
8422         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
8423         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
8424         flag_unsafe_math_optimizations is set.
8425
8426 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
8427
8428         * combine.c (combine_simplify_rtx, simplify_if_then_else,
8429         simplify_logical, if_then_else_cond, known_cond,
8430         simplify_comparison): Adjust calls to reverse_comparison.
8431         Don't use combine_reversed_comparison_code).
8432         (combine_reversed_comparison_code): Remove.
8433         (reversed_comparison): Using reversed_comparison_code, move it...
8434         * jump.c (reversed_comparison): ... here.
8435         * rtl.h (reversed_comparison): Add prototype.
8436
8437 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8438
8439         * builtins.c (fold_builtin): Take decomposed arguments of
8440         CALL_EXPR.
8441         * fold-const.c (fold_ternary): Update a call to fold_builtin.
8442         * gimplify.c (gimplify_call_expr): Likewise.
8443         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
8444         * tree.h: Update the prototype of fold_builtin.
8445
8446 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
8447
8448         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
8449         * rtlhooks.c (gen_lowpart_no_emit_general): New.
8450         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
8451         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
8452         * simplify-rtx.c (simplify_binary_operation_1): Use it.
8453
8454 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8455
8456         * builtins.c (fold_builtin_1): Take decomposed arguments of
8457         CALL_EXPR.
8458         (fold_builtin): Update a call to fold_builtin_1.
8459
8460 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
8461
8462         PR other/20564
8463         * gcov.c (output_lines): Only output function block summary when
8464         outputting branch information.
8465         * doc/gcov.texi: Document format of preamble and additional block
8466         information lines.
8467
8468 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
8469
8470         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
8471         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
8472         the defaults false if BITS_PER_UNIT != 8.
8473         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
8474         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
8475         than BITS_PER_UNIT != 8.
8476         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
8477         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
8478         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
8479         #undefs.
8480         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
8481         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
8482
8483 2005-03-20  Roger Sayle  <roger@eyesopen.com>
8484
8485         PR middle-end/20539
8486         * fold-const.c (fold_binary): Fix type mismatch between
8487         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
8488         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
8489         for non-truth-valued expressions.
8490
8491         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
8492         and FUNCTION_DECL in the main switch.
8493         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
8494         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
8495         we also need to convert their operands to match.
8496         <TRUTH_NOT_EXPR>: Likewise.
8497
8498 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
8499
8500         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
8501         diagnostic without checking whether an lvalue.
8502         * c-common.h (lvalue_p): Remove.
8503         (enum lvalue_use): Update comment.
8504         (lvalue_or_else): Replace by lvalue_error.
8505         * c-typeck.c (lvalue_p): Make static.
8506         (lvalue_or_else): New.  Call lvalue_error.
8507
8508 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
8509
8510         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
8511         (function_arg_advance): Use rs6000_parm_start.
8512         (function_arg, rs6000_arg_partial_bytes): Likewise.
8513
8514 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
8515
8516         * c-common.c (check_case_value): Adjust comment about stripping
8517         NOPs.
8518         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
8519         * c-typeck.c (default_conversion, convert_arguments,
8520         build_modify_expr, convert_for_assignment, store_init_value,
8521         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
8522         manually.  Remove inaccurate comments.
8523
8524 2005-03-20  Roger Sayle  <roger@eyesopen.com>
8525             Joseph S. Myers  <joseph@codesourcery.com>
8526
8527         * varasm.c (do_assemble_alias): Restore comment describing function.
8528         Annotate the target parameter as potentially unused.
8529
8530 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
8531
8532         PR target/18551
8533         * config/avr/avr.c (avr_output_function_prologue): Do not use
8534         current_function_name() in a label, use a local label instead.
8535
8536 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
8537
8538         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
8539         flag_finite_math_only, not flag_unsafe_math_optimizations.
8540
8541 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
8542
8543         * builtins.c (fold_builtin_1): Update a call to
8544         targetm.fold_builtin.
8545         * hooks.c (hook_tree_tree_bool_null): Rename to
8546         hook_tree_tree_tree_bool_null.  Take one more argument of type
8547         tree.
8548         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
8549         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
8550         hook_tree_tree_tree_bool_null.
8551         * target.h (gcc_target): Update the prototype of fold_builtin.
8552         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
8553         arguments of CALL_EXPR.
8554         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
8555         new prototype.
8556
8557 2005-03-20  Jan Hubicka  <jh@suse.cz>
8558
8559         * cgraph.h (cgraph_node): Add prev_clone pointer.
8560         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
8561         (cgraph_clone_node): Produce doubly linked chain.
8562
8563 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
8564
8565         * c-common.c (handle_aligned_attribute, check_function_sentinel,
8566         get_nonnull_operand, handle_sentinel_attribute,
8567         check_function_arguments_recurse): Do not strip NOPS from
8568         INTEGER_CSTs.
8569         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
8570         Likewise.
8571         * c-format.c (get_constant): Likewise.
8572         * c-parser.c (c_parser_postfix_expression): Likewise.
8573         * c-typeck.c (set_init_index): Likewise.
8574         (convert_arguments): Don't check for NOP_EXPR containing integer
8575         constant.
8576
8577 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
8578
8579         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
8580         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
8581         Take decomposed arguments of CALL_EXPR.
8582         (fold_builtin_1): Update calls to the functions mentioned
8583         above.
8584
8585 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
8586
8587         * c-decl.c (check_bitfield_type_and_width): Require bit-field
8588         width to have integer type.
8589         (build_enumerator): Require enumerator value to have integer type.
8590
8591 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
8592
8593         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
8594         to __builtin_inff.
8595
8596 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
8597
8598         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
8599         std=iso9899:199x): Correct descriptions.
8600
8601 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
8602
8603         * config.gcc: Consistently use solaris2.1[0-9]* instead of
8604         solaris2.1[0-9].
8605
8606 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
8607
8608         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
8609         of CALL_EXPR.
8610         (expand_builtin_memcpy, fold_builtin_1): Update calls to
8611         fold_builtin_memcpy.
8612
8613         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
8614         arguments of CALL_EXPR.
8615         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
8616         fold_builtin_found, fold_builtin_1): Update calls to
8617         fold_trunc_transparent_mathfn.
8618
8619 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8620
8621         PR middle-end/20493
8622         * fold-const.c (fold_widened_comparison): Don't optimize casts of
8623         function pointers on targets that require function pointer
8624         canonicalization.
8625         (fold_sign_changed_comparison): Likewise.
8626
8627 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
8628
8629         * combine.c (try_combine): When changing the mode of a hard reg, make
8630         sure that doing so is valid.
8631
8632 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
8633
8634         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
8635         (TARGET_HANDLE_OPTION): Override default.
8636         (avr_handle_option): New function.
8637         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
8638         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
8639         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
8640         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
8641         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
8642         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
8643         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
8644         (TARGET_OPTIONS): Delete.
8645         * config/avr/avr.opt: New file.
8646
8647 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8648
8649         * config/m32r/m32r-protos.h: Remove the prototypes for
8650         call_address_operand, symbolic_operand, seth_add3_operand,
8651         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
8652         reg_or_uint16_operand, reg_or_cmp_int16_operand,
8653         two_insn_const_operand, move_src_operand,
8654         move_double_src_operand, move_dest_operand,
8655         eqne_comparison_operator, signed_comparison_operator,
8656         large_insn_p, conditional_move_operand, carry_compare_operand,
8657         m32r_block_immediate_operand, extend_operand,
8658         reg_or_eq_int16_operand, int8_operand, and
8659         reg_or_zero_operand.
8660         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
8661         seth_add3_operand, int8_operand, cmp_int16_operand,
8662         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
8663         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
8664         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
8665         move_double_src_operand, move_dest_operand,
8666         eqne_comparison_operator, signed_comparison_operator,
8667         extend_operand, small_insn_p, large_insn_p,
8668         conditional_move_operand, carry_compare_operand,
8669         m32r_block_immediate_operand): Move to predicates.md.
8670         (MAX_MOVE_BYTES): Move to m32r.h.
8671         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
8672         * config/m32r/m32r.md: Include predicates.md.
8673         * config/m32r/predicates.md: New.
8674
8675 2005-03-18  James E Wilson  <wilson@specifixinc.com>
8676
8677         PR c++/19769
8678         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
8679         origin.
8680
8681 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8682
8683         * config/mn10300/mn10300-protos.h: Remove the prototypes for
8684         call_address_operand, const_8bit_operand.
8685         * config/mn10300/mn10300.c (call_address_operand,
8686         const_8bit_operand, const_1f_operand): Move to predicates.md.
8687         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
8688         * config/mn10300/mn10300.md: Include predicates.md.
8689         * config/mn10300/predicates.md: New.
8690
8691 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
8692
8693         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
8694         declarations in diagnostics and %E for identifiers, not %s.
8695
8696 2005-03-18  Jan Hubicka  <jh@suse.cz>
8697             Dale Johannesen  <dalej@apple.com>
8698
8699         * basic-block.h (scale_bbs_frequencies_int,
8700         scale_bbs_frequencies_gcov_type): Declare.
8701         * cfg.c (RDIV): New macro.
8702         (update_bb_frequency_for_threading): Fix.
8703         * basic-block.h (scale_bbs_frequencies_int,
8704         scale_bbs_frequencies_gcov_type): New.
8705         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
8706         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
8707         scale_bbs_frequencies_int.
8708         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
8709
8710 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8711
8712         * config/m32r/m32r-protos.h: Remove the prototypes for
8713         call_address_operand, symbolic_operand, seth_add3_operand,
8714         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
8715         reg_or_uint16_operand, reg_or_cmp_int16_operand,
8716         two_insn_const_operand, move_src_operand,
8717         move_double_src_operand, move_dest_operand,
8718         eqne_comparison_operator, signed_comparison_operator,
8719         large_insn_p, conditional_move_operand, carry_compare_operand,
8720         m32r_block_immediate_operand, extend_operand,
8721         reg_or_eq_int16_operand, int8_operand, and
8722         reg_or_zero_operand.
8723         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
8724         seth_add3_operand, int8_operand, cmp_int16_operand,
8725         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
8726         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
8727         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
8728         move_double_src_operand, move_dest_operand,
8729         eqne_comparison_operator, signed_comparison_operator,
8730         extend_operand, small_insn_p, large_insn_p,
8731         conditional_move_operand, carry_compare_operand,
8732         m32r_block_immediate_operand): Move to predicates.md.
8733         (MAX_MOVE_BYTES): Move to m32r.h.
8734         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
8735         * config/m32r/m32r.md: Include predicates.md.
8736         * config/m32r/predicates.md: New.
8737
8738         * config/pa/pa-protos.h: Add prototypes for magic_milli and
8739         shadd_constant_p.
8740         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
8741         symbolic_operand, symbolic_memory_operand,
8742         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
8743         indexed_memory_operand, move_dest_operand, move_src_operand,
8744         prefetch_cc_operand, prefetch_nocc_operand,
8745         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
8746         arith_operand, arith11_operand, pre_cint_operand,
8747         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
8748         ireg_operand, int5_operand, uint5_operand, int11_operand,
8749         uint32_operand, arith5_operand, and_operand, ior_operand,
8750         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
8751         pc_or_label_operand, div_operand, plus_xor_ior_operator,
8752         shadd_operand, movb_comparison_operator,
8753         cmpib_comparison_operator): Move to predicates.md.
8754         (magic_milli, shadd_constant_p): Make it extern.
8755         * config/pa/pa.h (PREDICATE_CODES): Remove.
8756         * config/pa/pa.md: Include predicates.md.
8757         * config/pa/predicates.md: New.
8758
8759         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
8760         predicate.
8761
8762 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8763
8764         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
8765         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
8766         config/alpha/freebsd.h, config/alpha/linux.h,
8767         config/alpha/netbsd.h, config/alpha/osf5.h,
8768         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
8769         config/h8300/h8300-protos.h, config/h8300/h8300.c,
8770         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
8771         doc/cppopts.texi: Update copyright.
8772
8773 2005-03-18  Jan Hubicka  <jh@suse.cz>
8774
8775         PR middle-end/20225
8776         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
8777         too late.
8778         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
8779         called too late.
8780
8781 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8782
8783         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
8784         VEC_safe_push.
8785
8786 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
8787
8788         * combine.c (gen_binary): Remove.
8789         (known_cond, simplify_shift_const, find_split_point,
8790         combine_simplify_rtx, simplify_if_then_else, simplify_set,
8791         simplify_logical, expand_field_assignment, extract_left_shift,
8792         force_to_mode, if_then_else_cond, apply_distributive_law,
8793         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
8794         simplify_comparison, reversed_comparison): Replace with
8795         simplify_gen_binary, simplify_gen_relational or
8796         distribute_and_simplify_rtx.
8797         (distribute_and_simplify_rtx): New function.
8798
8799 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
8800             Paolo Bonzini  <gcc.gnu.org>
8801
8802         * calls.c (setjmp_call_p, special_function_p): Update comments
8803         at the head of the functions.
8804
8805 2005-03-18  Jan Hubicka  <jh@suse.cz>
8806
8807         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
8808
8809         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
8810         function body should be released; do not proactively release function
8811         bodies in non-unit-at-a-time mode.
8812
8813 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
8814
8815         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
8816         mno-fp-ret-in-387 multilib variants.
8817
8818 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
8819
8820         * common.opt (m): Remove.
8821         * opts.c (handle_option): Pass 'm' options to set_target_switch if
8822         table lookup fails.
8823         (common_handle_option): Remove OPT_m case.
8824
8825 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8826
8827         * builtins.c (fold_builtin_bitop): Take decomposed arguments
8828         of CALL_EXPR.
8829         (fold_builtin_1): Update a call to fold_builtin_bitop.
8830
8831         * builtins.c (fold_builtin_signbit): Take decomposed arguments
8832         of CALL_EXPR.
8833         (fold_builtin_1): Update a call to fold_builtin_signbit.
8834
8835 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
8836
8837         PR tree-optimization/20474
8838         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
8839         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
8840
8841 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
8842
8843         * config/h8300/h8300-protos.h: Remove prototypes for
8844         general_operand_src, general_operand_dst, single_one_operand,
8845         single_zero_operand, call_insn_operand,
8846         two_insn_adds_subs_operand, small_call_insn_operand,
8847         jump_address_operand, bit_operand, bit_memory_operand,
8848         stack_pointer_operand, const_int_gt_2_operand,
8849         const_int_ge_8_operand, const_int_qi_operand,
8850         const_int_hi_operand, incdec_operand, bit_operator,
8851         nshift_operator, eqne_operator, gtle_operator,
8852         gtuleu_operator, iorxor_operator.
8853         Add prototypes for h8sx_shift_type h8sx_classify_shift and
8854         h8300_ldm_stm_parallel.
8855         * config/h8300/h8300.c (h8sx_shift_type,): Move to
8856         h8300-protos.h.
8857         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
8858         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
8859         (h8300_ldm_stm_parallel): Make it extern.
8860         (h8300_ldm_parallel, h8300_stm_parallel,
8861         h8300_return_parallel, general_operand_src,
8862         general_operand_dst, h8300_dst_operand, h8300_src_operand,
8863         nibble_operand, reg_or_nibble_operand, single_one_operand,
8864         single_zero_operand, call_insn_operand,
8865         two_insn_adds_subs_operand, small_call_insn_operand,
8866         jump_address_operand, bit_operand, bit_memory_operand,
8867         stack_pointer_operand, const_int_gt_2_operand,
8868         const_int_ge_8_operand, const_int_qi_operand,
8869         const_int_hi_operand, incdec_operand, eqne_operator,
8870         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
8871         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
8872         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
8873         nshift_operator): Move to predicates.md.
8874         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
8875         * config/h8300/h8300.md: Include predicates.md.
8876         * config/h8300/predicates.md: New.
8877
8878 2005-03-17  Richard Henderson  <rth@redhat.com>
8879
8880         * config.gcc (ia64*-*-hpux*): Add extra_options.
8881         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
8882         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
8883         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
8884         (ia64_tls_size_string, ia64_tune_string): Remove.
8885         (ia64_tune): Init to PROCESSOR_ITANIUM2.
8886         (TARGET_DEFAULT_TARGET_FLAGS): New.
8887         (TARGET_HANDLE_OPTION): New.
8888         (ia64_override_options): Move options parsing ...
8889         (ia64_handle_option): ... here.  New.
8890         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
8891         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
8892         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
8893         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
8894         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
8895         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
8896         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
8897         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
8898         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
8899         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
8900         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
8901         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
8902         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
8903         TARGET_EARLY_STOP_BITS): Remove.
8904         (TARGET_ILP32): Default false.
8905         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
8906         (enum ia64_inline_type): New.
8907         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
8908         * config/ia64/ia64.md: Update for new definitions of
8909         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
8910         * config/ia64/ia64.opt: New file.
8911         * config/ia64/ilp32.opt: New file.
8912
8913 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8914
8915         PR target/18380
8916         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
8917
8918 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
8919
8920         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
8921         instead of MASK_H8300S.
8922         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
8923         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
8924         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
8925         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
8926         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
8927         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
8928         TARGET_SWITCHES): Remove.
8929         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
8930         TARGET_H8300SX.
8931         * config/h8300/h8300.opt: New.
8932
8933         * config/alpha/alpha.opt, config/arc/arc.opt,
8934         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
8935         notices.
8936
8937 2005-03-17  Ian Lance Taylor  <ian@airs.com>
8938
8939         * gmon.c: Remove.
8940
8941 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
8942
8943         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
8944         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
8945         (TARGET_HANDLE_OPTION): Override default.
8946         (arc_handle_option): New function.
8947         (arc_init): Remove code to set arch_cpu_string.
8948         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
8949         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
8950         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
8951         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
8952         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
8953         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
8954         (arc_rodata_string, TARGET_OPTIONS): Delete.
8955         * config/arc/arc.opt: New file.
8956
8957 2005-03-17  Richard Henderson  <rth@redhat.com>
8958
8959         * doc/extend.texi (Weak Pragmas): New section.
8960         (attribute alias): Clarify that target must be in the same
8961         translation unit.
8962
8963 2005-03-17  Richard Henderson  <rth@redhat.com>
8964
8965         * config/alpha/alpha.opt: New file.
8966         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
8967         of alpha_cpu.
8968         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
8969         alpha_fprm_string, alpha_fptm_string): Make static.
8970         (alpha_tls_size_string): Remove.
8971         (alpha_handle_option): New.
8972         (override_options): Update for alpha_cpu/alpha_tune split.
8973         (alpha_file_start): Likewise.
8974         (TARGET_DEFAULT_TARGET_FLAGS): New.
8975         (TARGET_HANDLE_OPTION): New.
8976         * config/alpha/alpha.h (alpha_tune): Declare.
8977         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
8978         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
8979         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
8980         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
8981         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
8982         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
8983         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
8984         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
8985         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
8986         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
8987         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
8988         (TARGET_DEFAULT): Remove MASK_FP.
8989         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
8990         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
8991         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
8992         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
8993         alpha_tls_size_string): Remove.
8994         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
8995         (attribute tune): Rename from attribute cpu.
8996         * config/alpha/ev4.md: Update to match.
8997         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
8998         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
8999         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
9000         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
9001         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
9002         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
9003
9004 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
9005
9006         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
9007         and return without creating new state if before_nops_num is nonzero.
9008         * config/ia64/ia64.md (first_insn): New attribute.
9009         (alloc): Set it to yes.
9010
9011 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
9012
9013         * tree-vectorizer.c (new_vec_stmt_info): Initialize
9014         STMT_VINFO_SUBVARS to NULL.
9015         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
9016
9017 2005-03-16 Dale Johannesen  <dalej@apple.com>
9018
9019         * rtlanal.c (find_first_parameter_load):  Rewrite to
9020         return actual first param load or the call if none,
9021         instead of first in block, when not all loads exist.
9022
9023 2005-03-16  Roger Sayle  <roger@eyesopen.com>
9024
9025         * optabs.c (expand_copysign_absneg): Make static.
9026         * optabs.h (expand_copysign_absneg): Delete prototype.
9027         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
9028
9029 2005-03-16  Richard Henderson  <rth@redhat.com>
9030
9031         PR middle-end/15700
9032         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
9033         (alias_pairs): Rename from output_defs.
9034         (find_decl_and_mark_needed): Split out from assemble_alias.
9035         (do_assemble_alias): New.
9036         (assemble_output_def): Remove.
9037         (finish_aliases_1, finish_aliases_2): New.
9038         (process_pending_assemble_output_defs): Remove.
9039         (assemble_alias): Defer aliases for which we don't yet have a
9040         non-external decl for the target symbol.
9041         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
9042         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
9043         * toplev.c (compile_file): Use finish_aliases_2 instead of
9044         process_pending_assemble_output_defs.
9045         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
9046         (process_pending_assemble_output_defs): Remove.
9047
9048 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
9049
9050         Fix PR tree-optimization/20489
9051
9052         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
9053         for empty structures.
9054
9055 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
9056
9057         Fix PR tree-optimization/20490
9058
9059         * tree-ssa-pre.c (create_expression_by_pieces): Use
9060         force_gimple_operand on result of fold.
9061
9062 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
9063
9064         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
9065         of closing parenthesis.
9066
9067 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
9068
9069         * builtins.c (expand_movstr): Update a call to
9070         fold_builtin_strcpy.
9071         (expand_builtin_strncpy): Update a call to
9072         fold_builtin_strncpy.
9073         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
9074         arguments of CALL_EXPR.
9075         (fold_builtin_1): Update calls to fold_builtin_strcpy and
9076         fold_builtin_strncpy.
9077         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
9078         * tree.h: Update the prototypes of fold_builtin_strcpy and
9079         fold_builtin_strncpy.
9080
9081 2005-03-16  Steven Bosscher  <stevenb@suse.de>
9082             Dorit Naishlos  <dorit@il.ibm.com>
9083
9084         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
9085         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
9086         error.
9087
9088 2005-03-16  Steven Bosscher  <stevenb@suse.de>
9089
9090         * tree-inline.c (walk_type_fields, walk_tree,
9091         walk_tree_without_duplicates): Move from here...
9092         * tree.c: ...to here.
9093
9094 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
9095
9096         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
9097         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
9098         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
9099         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
9100         (version): Define using $(BASEVER_c).
9101         (Makefile, config.status, build/gcov-iov.o): No longer depends on
9102         version.c.
9103         (version.o): Depend on version files; add custom generation command.
9104         (prefix.o): Define BASEVER on command line.
9105         (s-iov): Depend on version files; adjust command.
9106         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
9107         Add gcc-vers.texi.
9108         (gcc-vers.texi): New rule.
9109         (doc/%.info, doc/%.dvi): Add -I . to command line.
9110         (doc/gccinstall.dvi): Likewise.
9111         (PACKAGE): Delete.  All uses replaced with "gcc".
9112         * aclocal.m4: Do not include gcc-version.m4.
9113         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
9114         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
9115         Set is_release based on contents of DEV-PHASE.
9116         Set gcc_version based on contents of BASE-VER.
9117         Define WIN32_REGISTRY_KEY only if the user overrode the default.
9118         * config.in, configure: Regenerate.
9119         * gccbug.in: Determine version of GCC in use at runtime.
9120         * gcov-iov.c: Get version number and development phase from
9121         command line, not by including version.c.
9122         * intl.c: Replace all uses of PACKAGE with "gcc".
9123         * libada-mk.in: Delete unused "gcc_version" variable.
9124         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
9125         * version.c: (VERSUFFIX): New hook for redistributors; adjust
9126         commentary to match.
9127         (version_string): Put together from pieces.
9128         * config/alpha/x-vms: Do not use $(gcc_version).
9129         * config/i386/t-nwld: Likewise.
9130         * doc/include/gcc-common.texi: Include gcc-vers.texi for
9131         version-GCC and DEVELOPMENT.
9132
9133 2005-03-15  Roger Sayle  <roger@eyesopen.com>
9134
9135         PR tree-optimization/17454
9136         * tree.c (tree_size): Add case for TREE_BINFO.
9137         * fold-const.c (fold_checksum_tree): Only clear the overloaded
9138         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
9139
9140 2005-03-15  Roger Sayle  <roger@eyesopen.com>
9141
9142         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
9143         op1 whilst expanding the signed widenening multiply variant.
9144
9145 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
9146
9147         * toplev.c (display_target_options): Avoid unused variable warning if
9148         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
9149         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
9150         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
9151         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
9152         (mips_isa_info): New variable.
9153         (mips_parse_cpu): Remove the first argument and leave the caller
9154         to report errors.
9155         (TARGET_HANDLE_OPTION): Override default.
9156         (mips_handle_option): New function.  Move option validation code from...
9157         (override_options): ...here.  Update calls to mips_parse_cpu.
9158         * config/mips/mips.h (mips_arch_string, mips_tune_string)
9159         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
9160         (SUBTARGET_TARGET_OPTIONS): Delete.
9161         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
9162         (mno-flush-func, mtune=): New options.
9163
9164 2005-03-15  Roger Sayle  <roger@eyesopen.com>
9165             Richard Henderson  <rth@redhat.com>
9166
9167         * real.c (c4x_single_format, c4x_extended_format): Provide values
9168         for signbit_ro for c4x's single and extended floating point formats.
9169         * optabs.c (expand_copysign): Use the floating point format's
9170         signbit_ro for expanding via expand_copysign_absneg, and it's
9171         signbit_rw field for expanding via expand_copysign_bit.
9172
9173 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
9174
9175         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
9176         known_alignment_for_access_p.
9177         (known_alignment_for_access_p): New.
9178         (do_peeling_for_alignment): Field made int instead of bool and renamed
9179         to peeling_for_alignment.
9180         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
9181         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
9182         functionality used to be in vect_analyze_operations.
9183         (vect_analyze_operations): Code to determine vectorization factor was
9184         moved to vect_determine_vectorization_factor.
9185         (vect_enhance_data_refs_alignment): Update to correct alignment when it
9186         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
9187         factor.
9188         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
9189         be part of vect_analyze_operations).
9190         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
9191         creating the guard condition, as the number of iterations may be
9192         constant.
9193         (slpeel_tree_peel_loop_to_edge): Use new name of
9194         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
9195         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
9196         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
9197         (vect_do_peeling_for_alignment): Use fold.
9198         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
9199
9200         (vect_update_inits_of_dr): Renamed to
9201         vect_update_init_of_dr.
9202         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
9203         (vectorizable_store): Fix assertion to use == instead of =.
9204
9205 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
9206
9207         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
9208         call_used_regs for wCG registers.
9209
9210 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
9211
9212         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
9213         for non-offsettable memory references to cope with outstanding reload
9214         replacements, take 2.
9215
9216 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
9217
9218         PR target/18668
9219         * config/i386/i386.h (x86_fisttp): New.
9220         (TARGET_FISTTP): New macro.
9221         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
9222         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
9223         instruction when fisttp flag is set.
9224         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
9225
9226         * config/i386/i386.md (type attribute): Add fisttp.
9227         (unit attribute): Set to i387 for fisttp type.
9228         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
9229         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
9230         TARGET_FISTTP.
9231         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
9232         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
9233         macros.
9234         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
9235         patterns for TARGET_FISTTP.  Enable patterns for
9236         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
9237         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
9238         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
9239         implement fisttp x87 insn.
9240         (fix_trunc*_i387_fisttp splitters): New patterns.
9241         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
9242         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
9243         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
9244         clobber.
9245         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
9246         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
9247         Implement using mode macros. Disable patterns for TARGET_FISTTP.
9248         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
9249         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
9250         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
9251         Disable patterns for TARGET_FISTTP.
9252         (fix_trunc*_i387 splitters): Implement usign mode macros.
9253         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
9254         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
9255         (fix_trunx*_sse peephole2s): Implement using mode macros.
9256
9257 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
9258
9259         PR rtl-optimization/20291
9260         * combine.c (try_combine): If splitting fails, re-try with
9261         original combined pattern, i.e. before clobber stripping.
9262
9263 2005-03-14  Eric Christopher  <echristo@redhat.com>
9264
9265         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
9266         STACK_GROWS_DOWNWARD.
9267
9268 2005-03-14  Roger Sayle  <roger@eyesopen.com>
9269
9270         * real.h (struct real_format): Split the signbit field into two
9271         two fields, signbit_ro and signbit_rw.
9272         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
9273         mips_double_format, ieee_extended_motorola_format,
9274         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
9275         ieee_extended_intel_128_format, ibm_extended_format,
9276         mips_extended_format, ieee_quad_format, mips_quad_format,
9277         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
9278         i370_double_format, c4x_single_format, c4x_extended_format,
9279         real_internal_format): Update initializers for new field.
9280         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
9281         real_format structure.
9282         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
9283         field of the real_format structure.
9284
9285 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
9286
9287         Fix PR tree-optimization/20458
9288
9289         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
9290         DECL_EXTERNAL on STRUCT_FIELD tags.
9291         (clear_call_clobbered): Ditto.
9292         * tree-ssa-operands.c (note_addressable): Make sure the original
9293         variable doesn't slip into the addressable list if we have
9294         subvars.
9295         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
9296         tags too.
9297
9298 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
9299
9300         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
9301         (-fwide-exec-charset): Likewise.
9302         (-finput-charset): Likewise.
9303         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
9304         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
9305         * c.opt (Wnormalized): New.
9306
9307 2005-03-14  Devang Patel  <dpatel@apple.com>
9308
9309         * doc/invoke.texi: Add reference to Visibility document.
9310
9311 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
9312
9313         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
9314         MASK_SPLIT_ADDRESSES.
9315         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
9316         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
9317         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
9318         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
9319         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
9320         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
9321         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
9322         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
9323         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
9324         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
9325         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
9326         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
9327         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
9328         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
9329         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
9330         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
9331         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
9332         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
9333         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
9334         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
9335         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
9336         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
9337         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
9338         (TARGET_EXPLICIT_RELOCS): Delete.
9339         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
9340         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
9341         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
9342         (override_options): Set MASK_LONG64 if -mint64 is given and no
9343         -mlongXX option is.  Complain about -mint64 -mlong32.
9344         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
9345         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
9346         * config/mips/mips.opt: New file.
9347
9348 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
9349
9350         * config.gcc (extra_options): New variable for listing option files.
9351         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
9352         * configure.ac (extra_opt_files): New AC_SUBST variable.
9353         (tm_file_list, tm_include_list): Include options.h first.
9354         * configure: Regenerate.
9355         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
9356         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
9357         (s-options-h): New rule.
9358         (options.h): Depend on it.
9359         (TEXI_GCCINT_FILES): Add options.texi.
9360         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
9361         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
9362         * target.h (gcc_target): Add default_target_flags and handle_option.
9363         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
9364         (TARGET_HANDLE_OPTION): New macros.
9365         (TARGET_INITIALIZER): Include them.
9366         * opt-functions.awk (opt_args, nth_arg): New functions.
9367         (switch_flags): Handle the "Target" flag.
9368         (var_args): Delete.
9369         (var_name): Use opt_args and nth_arg.
9370         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
9371         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
9372         macros for the "Mask" and "InverseMask" options.
9373         * opts.h (cl_var_cond): New enum.
9374         (cl_option): Replace the "has_set_value" and "set_value" fields with
9375         "var_cond" and "var_value".
9376         (CL_TARGET): New macro.
9377         (option_enabled, print_filtered_help): Declare.
9378         (decode_options): Move definition.
9379         * opts.c (handle_option): Search for the original option before
9380         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
9381         var_cond and var_value fields.  Use targetm.handle_option to handle
9382         target options.
9383         (decode_options): Set target_flags to targetm.default_target_flags.
9384         (print_filtered_help): Make global.  Handle CL_TARGET.
9385         (option_enabled): New function.
9386         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
9387         (display_target_options, set_target_switch, print_switch_values)
9388         (default_pch_valid_p): Guard uses of target_switches with
9389         #ifdef TARGET_SWITCHES.  Also...
9390         (display_target_options): Display the CL_TARGET entries in cl_options.
9391         (set_target_option): Don't complain about the "" option when
9392         TARGET_SWITCHES is undefined.
9393         (print_switch_values): Use option_enabled.
9394         (default_pch_valid_p): Check cl_options[] when looking for something
9395         that has changed the value of target_flags.
9396         * c.opt: Remove documentation from top of file.
9397         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
9398         * doc/sourecebuild.texi: Refer to the new options documentation
9399         instead of c.opt.  Document machine-specific .opt files.
9400         * doc/tm.texi (target_flags): Say that this variable is declared
9401         by options.h.
9402         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
9403         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
9404         an alternative.
9405         * doc/options.texi: New file.
9406
9407 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
9408
9409         PR middle-end/18628
9410         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
9411         register.
9412
9413 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
9414
9415         PR c++/20280
9416         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
9417         temporary variable of pointer type if an lvalues is required.
9418         (gimplify_modify_expr_rhs): Request an rvalue from it.
9419         (gimplify_expr): Pass fallback on.
9420
9421 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
9422
9423         * cfgbuild.c: Update comments.
9424
9425 2005-03-14  Roger Sayle  <roger@eyesopen.com>
9426
9427         PR rtl-optimization/17236
9428         * optabs.c (expand_doubleword_mult): New helper function split out
9429         from expand_binop.  Permute the order in which instructions are
9430         emitted to minimize the number of simultaneously live registers.
9431         (expand_binop): Call expand_doubleword_mult to synthesize a double
9432         word multiplication.
9433
9434 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
9435
9436         * basic-block.h: Update the prototypes of cached_make_edge and
9437         rtl_make_eh_edge.
9438         * cfg.c (cached_make_edge): Take edge_cache representing one
9439         row of the adjacency matrix of edges.
9440         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
9441         (make_edges): Initialize edge_cache to represent one row of
9442         the adjacency matrix of edges.
9443
9444 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
9445
9446         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
9447         New functions.
9448         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
9449         Remove unused removed_phis variable.
9450         (conditional_replacement): Use build1/build2.
9451         (abs_replacement): Use last_and_only_stmt and build1/build2.
9452
9453 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
9454
9455         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
9456         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
9457         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
9458         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
9459         * c-common.c (handle_novops_attribute): New function.
9460         (c_common_attribute_table): Add "no vops" entry.
9461         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
9462         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
9463         * tree-ssa-operands.c (get_call_expr_operands): Do not
9464         create virtual operands for calls with ECF_NOVOPS flag.
9465         * tree.h (DECL_IS_NOVOPS): New macro.
9466         (struct tree_decl): Add novops_flag.
9467         (ECF_NOVOPS): New constant.
9468
9469 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
9470
9471         PR target/17688
9472         * config/i386/i386.c (x86_use_himode_fiop): New.
9473         (x86_use_simode_fiop): Rename from x86_use_fiop.
9474         * config/i386/i386.h (x86_use_himode_fiop): Declare.
9475         (TARGET_USE_HIMODE_FIOP): New.
9476         (x86_use_simode_fiop): Rename from x86_use_fiop.
9477         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
9478
9479         * config/i386/i386.md (X87MODEI12): New mode macro define.
9480         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
9481         to implement x87 FP compare with HImode input operands.
9482         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
9483         Use X87MODEI12 mode macro to handle HImode input operands.
9484         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
9485         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
9486         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
9487         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
9488         macro to implement x87 operators with HImode input operands.
9489         (fop splitters): Use X87MODEI12 mode macro to handle HImode
9490         input operands.
9491
9492 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
9493
9494         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
9495         integer_zerop.
9496         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
9497         constants invariant.
9498
9499 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
9500
9501         * basic-block.h (BB_VISITED): Removed.
9502         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
9503
9504 2005-03-14  Falk Hueffner  <falk@debian.org>
9505
9506         PR bootstrap/20424
9507         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
9508
9509 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
9510
9511         * ggc-zone.c: Fix comment typos.
9512
9513         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
9514         stringpool.c, config/mips/mips-protos.h: Update copyright.
9515
9516 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
9517
9518         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
9519         throughout with its typedef, "rtx".
9520         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
9521         (rs6000_tls_symbol_ref_1): Remove inline keyword.
9522         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
9523         regs in comment to match code.
9524
9525 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
9526
9527         * except.c (check_handled): Make it static.
9528         * except.h: Remove the corresponding prototype.
9529
9530         * function.c (get_func_frame_size): Make it static.
9531         * function.h: Remove the corresponding type.
9532
9533         * regclass.c (reg_class_superclasses, reg_class_subclasses):
9534         Make them static.
9535         * hard-reg-set.h: Remove the corresponding declarations.
9536
9537         * tree-cfg.c (verify_stmts): Check that
9538         bb_for_stmt (stmt) == bb for every PHI node and statement.
9539
9540 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
9541
9542         * config.gcc: Remove excess indentation.
9543         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
9544
9545 2005-03-13  Roger Sayle  <roger@eyesopen.com>
9546
9547         PR middle-end/19331
9548         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
9549         * fold-const.c (fold_sign_changed_comparison): Likewise.
9550         (fold_binary): Optimize comparisons against widened operands if
9551         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
9552
9553 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
9554
9555         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
9556         (sparc_override_options): Initialize it.
9557         (sparc_struct_value_rtx): Set it on the MEM to be returned.
9558
9559 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
9560
9561         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
9562         (reg_or_none500mem_operand): New predicate.
9563         (zero_reg_mem_operand): New predicate.
9564         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
9565         to reg_or_none500mem_operand.
9566         (extendsfdf2_fpr): Add MEM alternative.
9567         (extenddftf2_internal): Change operand2 predicate to
9568         zero_reg_mem_operand.
9569
9570 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9571
9572         * ggc-zone.c: Rewritten.
9573
9574         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
9575         if there are none.
9576         * configure.ac: Define GGC_ZONE for --with-gc=zone.
9577         * config.in: Regenerated.
9578         * configure: Regenerated.
9579         * gengtype.c (write_types_process_field, write_func_for_structure):
9580         Pass new argument to gt_pch_note_object.
9581         * ggc-common.c (struct ptr_data): Add TYPE.
9582         (gt_pch_note_object): Take TYPE argument and save it.
9583         (call_count): Update call to ggc_pch_count_object.
9584         (call_alloc): Update call to ggc_pch_alloc_object.
9585         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
9586         file.
9587         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
9588         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
9589         (ggc_alloc_zone_stat): Delete.
9590         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
9591         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
9592         (ggc_pch_alloc_object): Update prototypes.
9593         (garbage_zone): Delete.
9594         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
9595         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
9596         pointers.
9597         (tree_id_zone): New variable.
9598         (ggc_alloc_cleared_zone): Remove unused.
9599         (ggc_alloc_zone): Define.
9600         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
9601         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
9602         ggc_alloc_zone_stat.
9603         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
9604         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
9605         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
9606         (make_node_stat): Likewise.  Use tree_id_zone.
9607
9608 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9609             Joseph S. Myers  <joseph@codesourcery.com>
9610
9611         * configure.ac: Check for MIPS TLS.
9612         * configure: Regenerated.
9613         * config/mips/mips-protos.h (enum mips_symbol_type): Add
9614         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
9615         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
9616         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
9617         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
9618         (mips_classify_symbol, mips_symbolic_constant_p)
9619         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
9620         (mips_tls_operand_p, mips_call_tls_get_addr)
9621         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
9622         (mips_tls_symbol_ref_1): New functions.
9623         (mips_legitimize_address, mips_legitimize_const_move): Call
9624         mips_legitimize_tls_address.
9625         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
9626         for MIPS16.
9627         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
9628         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
9629         (mips_char_to_class): Document V1_REG.
9630         (HAVE_AS_TLS): Provide default.
9631         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
9632         constants.
9633         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
9634         !TARGET_ABICALLS.
9635         (tls_get_tp_<mode>): New instruction.
9636
9637 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9638
9639         * configure.ac: Update checks for target tools.
9640         * configure: Regenerated.
9641
9642 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9643
9644         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
9645
9646 2005-03-13  Roger Sayle  <roger@eyesopen.com>
9647
9648         * expmed.c (expand_mult): Use synthetic multiplication sequences for
9649         more classes of DImode multiplication by constant.  Allow both
9650         multiplication by small negative constants (by performing a
9651         multiplication by a positive constant and negating the result) and
9652         multiplications by large powers of two, by using a left shift.
9653
9654 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
9655
9656         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
9657         of basic blocks into work_stack.
9658
9659         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
9660         config/mips/vr.h: Update copyright.
9661
9662         * c-decl.c (c_init_decl_processing): Remove useless calls to
9663         build_function_type.
9664
9665         * builtins.c (fold_trunc_transparent_mathfn,
9666         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
9667         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
9668         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
9669         fold_builtin_strcpy, fold_builtin_strncpy,
9670         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
9671         TREE_TYPE (exp).
9672
9673         * builtins.c (expand_builtin_mathfn_3): Remove local variable
9674         before_call.
9675
9676         * lambda-code.c (lambda_compute_auxillary_space): Remove local
9677         variable determinant.
9678
9679         * tree-cfg.c (group_case_labels): Remove local variable type.
9680
9681         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
9682         variable ann.
9683
9684         * tree-ssa-phiopt.c (value_replacement): Remove local variable
9685         result.
9686
9687 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
9688
9689         PR target/18251
9690         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
9691         (*movmemqi_insn): Delete.
9692         (*movmemhi): Delete.
9693
9694 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
9695
9696         * builtins.c (fold_builtin_classify): Take decomposed
9697         arguments of CALL_EXPR.
9698         (fold_builtin_1): Update a call to fold_builtin_classify.
9699
9700 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
9701
9702         PR c/20402
9703         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
9704         through into call to parser_xref_tag after parse error.
9705         (c_parser_struct_declaration): Consistently return NULL_TREE on
9706         error.
9707
9708 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
9709
9710         * tree-flow-inline.h (ref_contains_array_ref): New function.
9711         (lookup_subvars_for_var): Ditto.
9712         (get_subvars_for_var): Ditto.
9713         (var_can_have_subvars): Ditto.
9714
9715         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
9716         (struct subvar): New type.
9717
9718         * tree-dfa.c (okay_component_ref_for_subvars): New function.
9719
9720         * tree-optimize.c (init_tree_optimization_passes): Call
9721         pass_create_structure_vars.
9722
9723         * tree-ssa-alias.c: Include vec.h.
9724         (init_alias_info): Don't auto-clear call clobbered on struct-field
9725         tags.
9726         (compute_flow_insensitive_aliasing): Handle subvars.
9727         (group_aliases): Handle STRUCT_FIELD aliases.
9728         (setup_pointers_and_addressables): Ditto.
9729         Don't mark variables non-addressable if they still have
9730         addressable subvars.
9731         Also mark subvars addressable when the real variable is marked
9732         addressable.
9733         (add_pointed_to_var): Try to prune the pointed-to set by only
9734         pointing to subvars when possible.
9735         Otherwise, make sure we set addresses_needed and pt_vars to
9736         properly include subvars.
9737         (bitpos_of_field): New function.
9738         (push_fields_onto_fieldstack): Ditto.
9739         (get_or_create_used_part_for): Ditto.
9740         (create_overlap_variables_for): Ditto.
9741         (find_used_portions): Ditto.
9742         (create_structure_vars): Ditto.
9743         (pass_create_structure_vars): New structure.
9744
9745         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
9746         (get_expr_operands): Handle subvars.  Also try to turn
9747         COMPONENT_REF accesses into must-defs now that we can accurately
9748         portray it.
9749         (note_addressable): Try to only mark as addressable those subvars
9750         we know a COMPONENT_REF touches.
9751         (overlap_subvar): New function.
9752
9753         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
9754         Handle subvar storing.
9755         (vect_address_analysis): Update caller of vect_object_analysis.
9756
9757         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
9758
9759         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
9760         (STMT_VINFO_SUBVARS): New macro.
9761
9762         * common.opts: add flag_tree_salias.
9763
9764         * opts.c (decode_options): flag_tree_salias defaults to on.
9765
9766         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
9767
9768         * doc/tree-ssa.texi: Document structural alias analysis.
9769
9770 2005-03-12  Steven Bosscher  <stevenb@suse.de>
9771
9772         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
9773         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
9774         * tree-ssa-operands.c (get_expr_operands): Likewise.
9775         (get_expr_operands): Likewise for ERROR_MARK.
9776
9777 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
9778
9779         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
9780         var.
9781
9782         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
9783         removed_phis.
9784
9785         * tree-ssa-pre.c (compute_avail): Remove local variable val.
9786         (mark_operand_necessary): Remove local variable ver.
9787
9788         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
9789         variable prefix_len.
9790
9791         * value-prof.c (mod_subtract_transform): Remove local variable
9792         value.
9793
9794         * builtins.c (fold_builtin_exponent): Take decomposed
9795         arguments of CALL_EXPR.
9796         (fold_builtin_1): Update a call to fold_builtin_exponent.
9797
9798         * builtins.c (fold_builtin_logarithm): Take decomposed
9799         arguments of CALL_EXPR.
9800         (fold_builtin_1): Update a call to fold_builtin_logarithm.
9801
9802         * c-decl.c (c_init_decl_processing): Remove local variables
9803         ptr_ftype_void and ptr_ftype_ptr.
9804
9805         * gimplify.c (gimplify_expr): Remove local variables r0 and
9806         r1.
9807
9808         * reg-stack.c (move_for_stack_reg): Remove local variable
9809         push_insn.
9810         (compare_for_stack_reg): Remove local variable flags_user.
9811         (convert_regs_1): Remove local variable deleted.
9812
9813         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
9814         variable new_cond.
9815         (combine_blocks): Remove local variables exits and new_e.
9816
9817         * tree-inline.c (expand_call_inline): Remove local variable
9818         decl.
9819
9820         * tree-ssa-live.c (create_ssa_var_map,
9821         calculate_live_on_entry): Remove local variable snn.
9822
9823 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
9824
9825         * c-lex.c (c_lex_with_flags): Add parameter to call to
9826         cpp_spell_token.
9827
9828 2005-03-11  Per Bothner  <per@bothner.com>
9829
9830         * c-tree.h (struct c_declarator): New id_loc field.
9831         * c-pragma.h (c_lex_with_flags): Take position reference.
9832         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
9833         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
9834         (c_lex): Pass dummy location to c_lex_with_flags.
9835         * c-parser.c (c_lex_one_token): Set c_token's location using
9836         c_lex_with_flags, instead of input_location, which might be "ahead".
9837         (c_parser_direct_declarator): Set declarator's id_loc from
9838         c_token's id_loc.
9839         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
9840         declarator's id_loc, rather than probably-imprecise input_location.
9841         (build_id_declarator): Initialize c_declarator's id_loc field.
9842
9843 2005-03-11  Roger Sayle  <roger@eyesopen.com>
9844
9845         PR middle-end/20419
9846         * builtins.c (expand_builtin_signbit): Force the signbit's word
9847         into an integer register to avoid SUBREGs of floating point modes.
9848
9849 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
9850
9851         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
9852         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
9853         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
9854         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
9855
9856 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
9857
9858         PR rtl-optimization/20306
9859         * expr.c (emit_move_complex): Set try_int false if mode is
9860         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
9861         emit_block_move if try_int is true.
9862
9863 2005-03-11  Richard Henderson  <rth@redhat.com>
9864
9865         PR target/20415
9866         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
9867         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
9868         to match.
9869
9870 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
9871
9872         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
9873         (TARGET_FIX_VR4130): New macro.
9874         (TARGET_OPTIONS): Add -mfix-vr4130.
9875         (ISA_HAS_MACCHI): New macro.
9876         (ASM_SPEC): Add -mfix-vr4130.
9877         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
9878         (override_options): Handle mips_fix_vr4130_string.
9879         (mips_avoid_hazards): Clear all_noreorder_p
9880         if we're working around VR4130 errata and the macc alternatives
9881         are not available.
9882         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
9883         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
9884         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
9885         (MULTILIB_DEFAULTS): Remove leading "march=".
9886         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
9887         if no architecture option is given.
9888         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
9889         VR4130 multilibs.
9890         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
9891         * doc/invoke.texi: Document -mfix-vr4130.
9892
9893 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
9894
9895         * config/mips/mips.c (override_options): Only warn about -mint64
9896         deprecation if TARGET_INT64.
9897
9898 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9899
9900         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
9901         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
9902         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
9903         are non-specific regarding the nonnull parameter positions.
9904         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
9905         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
9906         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
9907         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
9908
9909         * builtins.def: Use the non-specific "nonnull" attibute lists.
9910
9911 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
9912
9913         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
9914         single_pred_edge, single_succ, single_pred): Improve comments.
9915
9916 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
9917
9918         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
9919         single_pred_edge, single_succ, single_pred): New inline functions.
9920         * bb-reorder.c (rotate_loop, find_traces_1_round,
9921         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
9922         duplicate_computed_gotos): Use the single_succ/pred functions.
9923         * cfganal.c (forwarder_block_p): Ditto.
9924         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
9925         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
9926         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
9927         merge_seq_blocks): Ditto.
9928         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
9929         * cfglayout.c (fixup_reorder_chain): Ditto.
9930         * cfgloop.c (mark_single_exit_loops, update_latch_info,
9931         canonicalize_loop_headers, verify_loop_structure): Ditto.
9932         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
9933         mfb_update_loops, create_preheader, force_single_succ_latches,
9934         create_loop_notes): Ditto.
9935         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
9936         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
9937         commit_one_edge_insertion, purge_dead_edges,
9938         cfg_layout_can_merge_blocks_p): Ditto.
9939         * except.c (sjlj_emit_function_enter): Ditto.
9940         * flow.c (init_propagate_block_info): Ditto.
9941         * function.c (thread_prologue_and_epilogue_insns): Ditto.
9942         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
9943         insert_insn_end_bb): Ditto.
9944         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
9945         find_if_case_2): Ditto.
9946         * lambda-code.c (perfect_nestify): Ditto.
9947         * lcm.c (optimize_mode_switching): Ditto.
9948         * loop-doloop.c (doloop_modify): Ditto.
9949         * loop-init.c (loop_optimizer_init): Ditto.
9950         * loop-iv.c (simplify_using_initial_values): Ditto.
9951         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
9952         * loop-unswitch.c (unswitch_loop): Ditto.
9953         * modulo-sched.c (generate_prolog_epilog): Ditto.
9954         * predict.c (combine_predictions_for_insn, estimate_probability,
9955         tree_estimate_probability, last_basic_block_p,
9956         estimate_bb_frequencies): Ditto.
9957         * profile.c (branch_prob): Ditto.
9958         * regrename.c (copyprop_hardreg_forward): Ditto.
9959         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
9960         * tracer.c (layout_superblocks): Ditto.
9961         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
9962         cfg_remove_useless_stmts_bb, cleanup_control_flow,
9963         cleanup_control_expr_graph, disband_implicit_edges,
9964         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
9965         tree_verify_flow_info, tree_make_forwarder_block,
9966         tree_forwarder_block_p, remove_forwarder_block,
9967         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
9968         * tree-if-conv.c (tree_if_conversion): Ditto.
9969         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
9970         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
9971         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
9972         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
9973         copy_loop_headers): Ditto.
9974         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
9975         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
9976         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
9977         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
9978         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
9979         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
9980         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
9981         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
9982         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
9983         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
9984         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
9985         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
9986         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
9987         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
9988         slpeel_add_loop_guard): Ditto.
9989
9990 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
9991
9992         PR tree-optimization/15784
9993         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
9994         and -1 - A to ~A.
9995
9996         * stmt.c (expand_case): Don't change index_type.  Convert minval
9997         to the proper type.
9998
9999         PR tree-optimization/20130
10000         * fold-const.c (fold): Fold x * -1 into -x.
10001
10002 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
10003
10004         PR rtl-optimization/20331
10005         * rtlanal.c (modified_between_p): Check its address first for MEM.
10006         (modified_in_p): Likewise.
10007
10008 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
10009
10010         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
10011
10012 2005-03-10  Steven Bosscher  <stevenb@suse.de>
10013
10014         * expr.c (expand_expr_real_1): If possible, use a conditional
10015         move for expanding MIN_EXPR and MAX_EXPR.
10016         Use temp for moving around rtx-en.
10017
10018 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
10019
10020         PR rtl-opt/20412
10021         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
10022         correct mode.
10023
10024 2005-03-10  Roger Sayle  <roger@eyesopen.com>
10025
10026         * builtins.c (expand_builtin_signbit): Extend to handle floating
10027         point modes wider than the largest integer type, using the
10028         operand_subword_force function to obtain the signbit's word.
10029
10030 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
10031
10032         PR target/20322
10033         * combine.c (try_combine): If recog_for_combine added CLOBBERs
10034         to NEWI2PAT, fail to combine if they are used by NEWPAT.
10035
10036 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
10037
10038         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
10039
10040 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
10041
10042         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
10043         type void.
10044         (perform_edge_inserts): Unconditionally call
10045         free_dominator_info.
10046
10047         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
10048
10049 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
10050
10051         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
10052
10053 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
10054
10055         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
10056
10057         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
10058         gcc_unreachable.
10059         (rtl_register_value_prof_hooks,
10060         tree_value_profile_transformations,
10061         tree_register_value_prof_hooks): Likewise.
10062         * var-tracking.c (stack_adjust_offset_pre_post,
10063         variable_htab_free, variable_union, dataflow_set_different_2,
10064         count_uses, variable_was_changed, set_frame_base_location,
10065         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
10066         vt_add_function_parameters): Likewise.
10067         * varasm.c (named_section_real, named_section, make_decl_rtl,
10068         asm_emit_uninitialised, assemble_integer, decode_addr_const,
10069         const_hash_1, compare_constant, copy_constant, force_const_mem,
10070         output_constant_pool_2, output_constant_pool_1, output_constant,
10071         output_constructor, make_decl_one_only, decl_tls_model,
10072         default_no_named_section, default_elf_select_section_1,
10073         default_unique_section_1): Likewise.
10074         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
10075         * vmsdbgout.c (addr_const_to_string): Likewise.
10076
10077         PR c++/20375
10078         * function.c (struct assign_parm_data_one): Remove last_named
10079         field.
10080         (assign_parm_find_data_types): Don't determine last_named.
10081         Reorder named_parm determination.
10082         (assign_parms): Only setup varargs on the last non-varadic
10083         parameter.
10084
10085 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
10086
10087         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
10088         sda base address on medium model.
10089
10090 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
10091
10092         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
10093         * cfgloop.c (flow_loop_nodes_find): Export.
10094         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
10095         Declare.
10096         * cfgloopmanip.c (fix_loop_structure): New function.
10097         * predict.c (predict_loops): Clean up the loops information.
10098         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
10099         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
10100         loop structure.
10101         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
10102         (rewrite_into_loop_closed_ssa): Declaration changed.
10103         * tree-loop-linear.c (linear_transform_loops): Add argument to
10104         rewrite_into_loop_closed_ssa call.
10105         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10106         * tree-ssa-loop-im.c (move_computations): Ditto.
10107         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
10108         * tree-vectorizer.c (vectorize_loops): Ditto.
10109         * tree-optimize.c: Include cfgloop.h.
10110         (execute_todo): Choose whether to call cleanup_tree_cfg or
10111         cleanup_tree_cfg_loop.
10112         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
10113         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
10114         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
10115         cleanup_tree_cfg_loop call.
10116         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
10117         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
10118         work on part of cfg.
10119
10120 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
10121
10122         PR inline-asm/20314
10123         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
10124         with multiple alternatives.
10125
10126         * stmt.c (parse_output_constraint): Fix a typo.
10127
10128 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
10129
10130         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
10131         assembly directive instead of deprecated "no-generics".
10132
10133 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
10134
10135         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
10136         for non-offsettable memory references to cope with outstanding reload
10137         replacements.
10138         * config/s390/s390.md ("reload_outti"): Call find_replacement to
10139         avoid losing outstanding address reloads.
10140         ("reload_outdi", "reload_outdf"): Likewise.
10141
10142 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10143
10144         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
10145         code.  Add more cbrt transformations.
10146
10147 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10148
10149         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
10150
10151 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
10152
10153         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
10154         NULL_TREE when a given tree is not simplified.
10155         (fold): Return the original tree when any of the functions
10156         mentioned above NULL_TREE.
10157
10158         * fold-const.c (fold_unary, fold_binary): Take decomposed
10159         arguments, code, type, op0, and op1 in case of fold_binary.
10160         (fold): Update calls to fold_unary and fold_binary.
10161
10162 2005-03-09  Roger Sayle  <roger@eyesopen.com>
10163
10164         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
10165         a fndecl and an arglist instead of a CALL_EXPR, exp.
10166
10167 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
10168
10169         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
10170
10171         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
10172
10173         * expr.c (expand_assignment): Remove orig_to_rtx.
10174
10175         * fold-const.c (int_const_binop): Remove no_overflow.
10176
10177         * ifcvt.c (noce_emit_move_insn): Remove inmode.
10178
10179         * loop-iv.c (get_biv_step_1): Remove lhs.
10180
10181         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
10182
10183         * real.c (real_nan): Remove neg.
10184
10185         * function.c (thread_prologue_and_epilogue_insns): Remove i
10186         and newinsn.
10187
10188         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
10189         tb.
10190
10191         * tree-eh.c (tree_could_trap_p): Remove idx.
10192
10193         * tree-into-ssa.c (ann): Remove ann.
10194
10195         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
10196
10197         * tree-sra.c (decide_block_copy): Remove inst_count.
10198
10199         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
10200
10201         * tree-ssa-loop-im.c (lhs): Remove.
10202
10203         * cfgbuild.c (state, STATE, SET_STATE,
10204         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
10205         make_edges.
10206         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
10207         (find_basic_blocks): Set the state of each basic block to
10208         BLOCK_NEW.
10209
10210 2005-03-08  Jeff Law  <law@redhat.com>
10211
10212         * tree-cfg.c (cleanup_control_flow): If removal of a computed
10213         goto results in the removal of edges in the CFG, then we need
10214         to recompute dominators.
10215
10216 2005-03-09  Ben Elliston  <bje@au.ibm.com>
10217
10218         * c-common.c (c_do_switch_warnings): Comment fix.
10219
10220 2005-03-08  Julian Brown  <julian@codesourcery.com>
10221
10222         * Patch from 2005-03-08 reverted for causing regressions and
10223         ppc-darwin bootstrap failure.
10224
10225 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
10226
10227         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
10228         Define the real function for ppc-darwin.
10229         * c-typeck.c (convert_arguments): Check for target-specific
10230         invalid argument call to unprototyped function.
10231         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
10232         New Macro.
10233         * target.h (invalid_arg_for_unprototyped_fn): New field
10234         in struct calls.
10235         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
10236         default target hook.
10237         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
10238         Declare.
10239
10240 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
10241
10242         * c-typeck.c (constructor_stack, constructor_range_stack,
10243         initializer_stack): Make them static.
10244
10245         * cfg.c (rbi_pool): Make it static.
10246
10247         * gimple-low.c (lower_stmt_body): Make it static.
10248         * tree-flow.h: Remove the corresponding prototype.  Don't
10249         declare lower_data.
10250
10251         * sched-deps.c (cache_size): Make it static.
10252
10253         * stor-layout.c (lang_adjust_rli): Make it static.
10254
10255 2005-03-08  Julian Brown  <julian@codesourcery.com>
10256
10257         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
10258         from being used for symbols with vague linkage when
10259         HAVE_GAS_COMDAT_GROUP is true.
10260
10261 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
10262
10263         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
10264         nlabel == JUMP_LABEL (jump).
10265
10266 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
10267
10268         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
10269         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
10270         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
10271         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
10272
10273 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
10274
10275         PR c/14411
10276         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
10277         * c-common.c (handle_returns_twice): New function.
10278         (c_common_attribute_table): Declare eturns_twice' attribute.
10279         * doc/extend.texi: Document eturns_twice' attribute.
10280         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
10281         (struct tree_decl): Add returns_twice_flag.
10282
10283 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
10284
10285         * tree-ssa-phiopt.c: Fix a comment typo.
10286
10287         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
10288         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
10289         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
10290         copyright.
10291
10292 2005-03-08  Richard Henderson  <rth@redhat.com>
10293
10294         * config/alpha/alpha.c (code_for_builtin): Replace special-case
10295         builtin codes with ctzdi2, clzdi2, popcountdi2.
10296         (struct alpha_builtin_def): Add is_const.
10297         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
10298         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
10299         (alpha_init_builtins): Init them.  Set nothrow and const attributes
10300         on builtins.
10301         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
10302         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
10303         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
10304         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
10305         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
10306         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
10307         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
10308         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
10309         (TARGET_FOLD_BUILTIN): New.
10310         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
10311         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
10312         (ffsdi2): Use ctz.
10313         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
10314
10315 2005-03-08  Ira Rosen  <irar@il.ibm.com>
10316
10317         PR tree-optimization/20122
10318         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
10319         condition of access function instead of base.
10320
10321 2005-03-07  Jeff Law  <law@redhat.com>
10322             Steven Bosscher  <stevenb@suse.de>
10323
10324         * tree-cfg.c (find_taken_edge_computed_goto): New function.
10325         (find_taken_edge): Call find_taken_edge_computed_goto as
10326         appropriate.  Allow any gimple invariant rather than just
10327         INTEGER_CST for VAL.
10328         (cleanup_control_flow): Cleanup a computed goto which has turned
10329         into a simple goto.
10330         (tree_merge_blocks): If block B has any forced labels, move
10331         them to the start of block A.
10332         * tree-ssa-dom.c (thread_across_edge): Allow threading across
10333         computed gotos as well.
10334         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
10335         removal of unnecessary computed gotos too.
10336         (lookup_redirection_data): Fix type of INSERT argument.  Callers
10337         updated.
10338
10339 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
10340
10341         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
10342         Remove trailing spaces.
10343
10344         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
10345         unshare_all_trees): Make them static.
10346         * tree-gimple.h: Remove the corresponding prototypes.
10347
10348         * diagnostic.h: Remove unused prototype
10349         debug_output_buffer.
10350         * modulo-sched.c: Remove unused prototype
10351         set_row_column_for_ps.
10352
10353         * tree-ssa-phiopt.c (tree_ssa_phiopt,
10354         replace_phi_edge_with_variable): Remove unused variable i.
10355
10356 2005-03-07  Per Bothner  <per@bothner.com>
10357
10358         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
10359
10360 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
10361
10362         PR tree-opt/17671
10363         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
10364         bbs on the COND_EXPR instead of the PHI_NODEs.
10365         (candidate_bb_for_phi_optimization): Remove.
10366         (replace_phi_with_stmt): Rename to ...
10367         (replace_phi_edge_with_variable): this and change so that we
10368         replace the phi argument instead of removing the PHI.
10369         (conditional_replacement): Change so we deal with PHI with more
10370         than two arguments.
10371         (value_replacement): Likewise.
10372         (abs_replacement): Likewise.
10373
10374 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
10375
10376         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
10377         output_e500_flip_gt_bit.
10378
10379         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
10380         as bit 31.
10381         (rs6000_generate_compare): Fix logic to look at the correct bits.
10382         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
10383         Look at GT bit.
10384         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
10385         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
10386         gen_move_from_CR_gt_bit.
10387
10388         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
10389         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
10390         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
10391
10392         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
10393         (E500_CR_IOR_COMPARE): New constant.
10394
10395 2005-03-08  Earl Chew <earl_chew@agilent.com>
10396             David Billinghurst <David.Billinghurst@riotinto.com>
10397
10398         * config/i386/host-cygwin.c: New file to support precompiled
10399         headers on cygwin
10400         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
10401         * config.host: Use above files for cygwin host.
10402
10403 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
10404
10405         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
10406         ordering ops from earlier change.
10407
10408 2005-03-07  Per Bothner  <per@bothner.com>
10409
10410         Various fixes to allow us to again build if --enable-mapped-location:
10411         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
10412         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
10413         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
10414         local variable loc. Change logic appropriately.
10415         * tree-vect-transform.c (vect_finish_stmt_generation): Use
10416         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
10417         * c-parser.c (c_parser_for_statement): Initialize loc variable.
10418         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
10419         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
10420
10421 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
10422
10423         PR rtl-optimization/19683
10424         * reload1.c (choose_reload_regs): Pass the number of bits, not the
10425         number of bytes, to smallest_int_for_mode.  Fix arguments to
10426         REG_CANNOT_CHANGE_MODE_P.
10427
10428 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
10429
10430         * reorg.c (relax_delay_slots): Check that the jump is
10431         conditional before trying to invert it.
10432
10433 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
10434
10435         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
10436         Make them static.
10437
10438         * calls (stack_arg_under_construction): Make it static.
10439
10440         * flow.c (regs_live_at_setjmp): Make it static.
10441         * flow.h: Remove the corresponding prototype.
10442
10443         * reload1.c (reload_startobj, reload_firstobj,
10444         something_needs_operands_changed, reload_inherited,
10445         reload_inheritance_insn, reload_override_in,
10446         reload_spill_index): Make them static.
10447
10448         * recog.c (verify_changes): Make it static.
10449         * recog.h: Remove the corresponding prototype.
10450
10451         * cfgbuild.c (find_sub_basic_blocks): Remove.
10452         * basic-block.h: Remove the corresponding prototype.
10453         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
10454         in comments.
10455         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
10456
10457         * tree-ssa-operands.c (check_build_stmt): Remove.
10458
10459         * stor-layout.c (set_alignment): Remove.
10460         * tree.h: Remove the corresponding prototype.
10461
10462         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
10463
10464         * tree-ssa-dce.c (control_dependence_map,
10465         visited_control_parents): Make them static.
10466
10467         * cfghooks.c (verify_flow_info): Remove local variable
10468         num_bb_notes.
10469
10470         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
10471         last_bb_seen.
10472
10473         * loop-unswitch.c (unswitch_loop): Remove local variable src.
10474
10475 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
10476
10477         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
10478
10479 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
10480
10481         * config/ia64/hpux.h (LINK_SPEC): Add -z.
10482         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
10483         PARALLEL for an empty structure.
10484
10485 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
10486
10487         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
10488
10489         * fold-const.c (fold_binary): Unroll the very first "for"
10490         loop.
10491
10492 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
10493
10494         * config/rs6000/predicates.md (branch_comparison_operator): Remove
10495         redundant match_code test.
10496         (scc_comparison_operator): Swap match_operand and match_code
10497         tests.
10498         (branch_positive_comparison_operator): Same.
10499         (trap_comparison_operator): Use comparison_operator and swap with
10500         match_code test.
10501
10502 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
10503
10504         PR target/20288
10505         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
10506         (out_movhi_r_mr): Read low byte of volatile MEM first.
10507         (out_movhi_mr_r): Write high byte of volatile MEM first.
10508
10509 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
10510
10511         * cselib.c (reg_values, reg_values_size): Make them static.
10512
10513         * cse.c (cse_reg_info_table): Make it static.
10514
10515         * fold-const.c (fold_unary): Use build1 instead of copy_node.
10516
10517 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
10518
10519         * cse.c (find_best_addr): Use canon_for_address.
10520
10521 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
10522
10523         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
10524         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
10525         SUBREG and MEM, respectively.
10526
10527         * fold-const.c (fold_binary): Use code instead of t.
10528
10529         * fold-const.c (optimize_minmax_comparison): Take decomposed
10530         arguments code, type, op0, and op1 instead of t.
10531         (fold_binary): Update a call to optimize_minmax_comparison.
10532
10533         * fold-const.c (fold_range_test): Take decomposed arguments
10534         code, type, op0, and op1 instead of t.
10535         (fold_binary): Update a call to fold_range_test.
10536
10537         * fold-const.c (fold_binary_op_with_conditional_arg): Take
10538         decomposed arguments code, type, op0, and op1 instead of t.
10539         (fold_binary): Update a call to fold_range_test.
10540
10541 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
10542
10543         * fold-const.c (fold_binary): Avoid directly using the original
10544         expression t as much as possible.
10545
10546 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
10547
10548         * c-semantics.c (build_stmt): Use TYPE_P instead of
10549         IS_NON_TYPE_CODE_CLASS.
10550         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
10551         (NON_TYPE_CHECK): Use TYPE_P instead of
10552         IS_NON_TYPE_CODE_CLASS.
10553
10554         * fold-const.c (fold): Remove handling of binary expressions.
10555
10556 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
10557
10558         * doc/c-tree.texi: Wrap comments in @r{}.
10559         * doc/cpp.texi: Likewise.
10560         * doc/cppinternals.texi: Likewise.
10561         * doc/extend.texi: Likewise.
10562         * doc/md.texi: Likewise.
10563         * doc/objc.texi: Likewise.
10564         * doc/sourcebuild.texi: Likewise.
10565         * doc/tm.texi: Likewise.
10566         * doc/tree-ssa.texi
10567
10568 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
10569
10570         * predict.c (apply_return_prediction): Standardize PHI chain
10571         walking.
10572         * tree-ssa.c (ssa_redirect_edge): Likewise.
10573
10574         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
10575         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
10576         Update copyright.
10577
10578         * tree-phinodes.c (remove_phi_node): Drop the last argument.
10579         * tree-flow.h: Adjust the prototype for remove_phi_node.
10580         * lambda-code.c (perfect_nestify): Adjust a call to
10581         remove_phi_node.
10582         * tree-cfg.c
10583         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
10584         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
10585         Likewise.
10586         * tree-ssa-dce.c (remove_dead_phis): Likewise.
10587         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10588         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10589         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
10590
10591         * combine.c (simplify_and_const_int): Use gen_int_mode instead
10592         of GEN_INT (trunc_int_for_mode (...)).
10593         * loop-iv.c (iv_number_of_iterations): Likewise.
10594         * postreload.c (reload_cse_move2add): Likewise.
10595         * simplify-rtx.c (simplify_const_unary_operation,
10596         simplify_const_binary_operation): Likewise.
10597         * stor-layout.c (get_mode_bounds): Likewise.
10598
10599         * fold-const.c (fold_binary): New.
10600         (fold): Call fold_binary on binary expressions.
10601
10602 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
10603
10604         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
10605         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
10606         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
10607         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
10608         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
10609
10610 2005-03-04  Devang Patel  <dpatel@apple.com>
10611
10612         PR tree-optimization/18815
10613         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
10614         loops with zero exit edges.
10615
10616 2005-03-04  Devang Patel  <dpatel@apple.com>
10617
10618         * doc/invoke.texi: Remove reference to webpage that does not exist.
10619
10620 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
10621             Joseph S. Myers  <joseph@codesourcery.com>
10622
10623         PR c++/19797
10624         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
10625         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
10626         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
10627         * pa.c (get_plabel): Change argument to symbol_ref.  Call
10628         maybe_get_identifier instead of get_identifier.
10629         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
10630         (struct deferred_plabel): Replace name field with symbol field.
10631         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
10632         ASM_OUTPUT_EXTERNAL_REAL is defined.
10633         (output_global_address): Use output_addr_const for output of all
10634         symbol_refs.
10635         (output_deferred_plabels): Use symbol_ref instead of name for address
10636         output.
10637         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
10638         ASM_OUTPUT_SYMBOL_REF): New macros.
10639         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
10640         comment.
10641         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
10642         label.
10643
10644 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
10645
10646         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
10647         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
10648
10649 2005-03-04  Jeff Law  <law@redhat.com>
10650
10651         * basic-block.h (rediscover_loops_after_threading): Declare.
10652         * tree-ssa-dom.c: Include cfgloop.h.
10653         (tree_ssa_dominator_optimize): Discover loops and some basic
10654         properties.  Remove forwarder blocks recreated by loop header
10655         canonicalization.  Also mark backedges in the CFG.
10656         * tree-ssa-threadupdate.c: Include cfgloop.h
10657         (rediscover_loops_after_threading): Define.
10658         (struct local_info): New field, JUMP_THREADED.
10659         (prune_undesirable_thread_requests): New function.
10660         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
10661         then record that fact for the callers of redirct_edges.
10662         (thread_block): If BB has incoming backedges, then call
10663         prune_undesirable_thraed_requests.    Note when we are
10664         going to have to rediscover loop information.  Return a
10665         boolean indicating if any jumps were threaded.
10666         (thread_through_all_blocks): Bubble up boolean indicating
10667         if any jumps were threaded.
10668         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
10669         (tree-ssa-threadupdate.o): Similarly.
10670
10671 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
10672
10673         * fold-const.c (fold_ternary): Unroll the "for" loop to
10674         extract operands.
10675
10676 2005-03-04  Andrew Haley  <aph@redhat.com>
10677
10678         * unwind-dw2-fde-glibc.c (struct
10679         unw_eh_callback_data.check_cache): New field.
10680         (frame_hdr_cache): New.
10681         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
10682         Cache frame header info.
10683
10684 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
10685
10686         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
10687         (print_c_condition): Declare.
10688         * read-rtl.c (ptr_loc): New structure.
10689         (ptr_locs, ptr_loc_obstack, joined_conditions)
10690         (joined_conditions_obstack): New variables.
10691         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
10692         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
10693         (join_c_conditions, print_c_condition): New functions.
10694         (apply_macro_to_string): Associate the new string with the same
10695         source location as the old one.
10696         (add_condition_to_string): Use join_c_conditions.
10697         (read_string): Use set_rtx_ptr_loc to record a filename and line
10698         number for the string.
10699         (read_rtx): Initialize the new variables above.
10700         * genattrtab.c (write_test_expr, write_attr_value): Use
10701         print_c_condition.
10702         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
10703         comment above the GCC_VERSION check.
10704         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
10705         Inline the definition of MAYBE_EVAL.
10706         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
10707         * genoutput.c (process_template): Likewise.
10708         * genpreds.c (write_predicate_subfunction): Likewise.
10709         (write_predicate_expr): Use print_c_condition.
10710         * genrecog.c (write_cond): Likewise.
10711         * gensupport.c (process_rtx): Use join_c_conditions to join the
10712         conditions of a define_insn_and_split.  Record a source location
10713         for the string after the "&&".
10714         (alter_test_for_insn): Use join_c_conditions.
10715
10716 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
10717
10718         Revert for now:
10719         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
10720         PR tree-optimization/15784
10721         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
10722         and -1 - A to ~A.
10723
10724 2005-03-04  Ben Elliston  <bje@au.ibm.com>
10725
10726         * gcc.c (option_map): Add --coverage.
10727         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
10728         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
10729         * config/darwin.h: Pass -lgcov for `coverage'.
10730         * doc/invoke.texi (Debugging Options): Document --coverage.
10731
10732 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
10733
10734         * gcse.c (bypass_block): Use find_edge wherever possible.
10735
10736 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
10737
10738         Fix PR debug/20253
10739
10740         * c-opts.c (c_common_parse_file): Call start_source_file
10741         and end_source_file at the approriate times.
10742
10743         * dwarf2out.c (dwarf2out_finish): Don't auto-end
10744         the main file, it will be done for us now.
10745
10746 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
10747
10748         * fold-const.c (fold_ternary): New.
10749         (fold): Call fold_ternary on ternary expressions.  Remove
10750         handling of ternary expressions.
10751
10752 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
10753
10754         PR tree-optimization/15784
10755         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
10756         and -1 - A to ~A.
10757
10758 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
10759
10760         * config/rs6000/predicates.md (branch_comparison_operator):
10761         Convert from C block to conditional format.
10762
10763 2005-03-03  Jan Hubicka  <jh@suse.cz>
10764
10765         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
10766         and non-constant public variables.
10767
10768 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
10769
10770         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
10771         with LABEL_EXPR.
10772
10773         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
10774         EDGE_I.
10775
10776         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
10777         calls to release_ssa_name and release_phi_node.
10778
10779         * fold-const.c (fold): Remove handling of unary expressions.
10780
10781         * fold-const.c (fold_unary): Avoid directly using the original
10782         expression t as much as possible.
10783
10784 2005-03-03  Roger Sayle  <roger@eyesopen.com>
10785             Andrew Pinski  <pinskia@physics.uc.edu>
10786
10787         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
10788         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
10789
10790 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
10791
10792         Describe special registers SRP and MOF as allocatable registers.
10793         * config/cris/cris.c (cris_md_asm_clobbers): New function.
10794         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
10795         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
10796         TARGET_HAS_MUL_INSNS.
10797         (cris_print_operand) <case 'd'>: New case.
10798         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
10799         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
10800         define.
10801         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
10802         (REG_ALLOC_ORDER): Update for MOF.
10803         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
10804         SPECIAL_REGS.
10805         (GENERAL_REGS): No longer a define of ALL_REGS.
10806         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
10807         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
10808         Adjust accordingly.
10809         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
10810         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
10811         (SECONDARY_RELOAD_CLASS): Define.
10812         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
10813         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
10814         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
10815         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
10816         (REGISTER_MOVE_COST): Define.
10817         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
10818         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
10819         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
10820         (CRIS_MOF_REGNUM): New define_constants.
10821         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
10822         special registers.
10823         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
10824         New patterns.
10825         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
10826         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
10827         Adjust for MOF being properly described as a register.
10828         (indir_to_reg_split): Name this split.  Conditionalize on the
10829         destination register being a general register.
10830         (movei): Conditionalize on on operands 0 and 1 having the same
10831         register class.
10832
10833 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
10834
10835         PR target/20277
10836         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
10837         -mcpu to override any other explicitly given flags.
10838
10839 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
10840
10841         * recog.c (verify_changes, confirm_change_group): New functions,
10842         broken out of apply_change_group.
10843         (apply_change_group): Use them.
10844         * recog.h (verify_change, confirm_change_group): Declare.
10845         * rtl.h (redirect_jump_2): Declare.
10846         * jump.c (redirect_exp, invert_exp): Delete.
10847         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
10848         (redirect_jump_2): New function, broken out of redirect_jump.
10849         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
10850         (invert_jump): Use invert_jump_1 and redirect_jump_2.
10851         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
10852
10853 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
10854
10855         * varasm.c (named_section): Use xstrdup rather than doing it by
10856         hand.
10857
10858         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
10859
10860 2005-03-02  Devang Patel  <dpatel@apple.com>
10861
10862         Undo PR tree-optimization/18815 fix.
10863
10864 2005-03-02  Devang Patel  <dpatel@apple.com>
10865
10866         PR tree-optimization/18815
10867         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
10868         loops with zero exit edges.
10869
10870 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
10871
10872         * cfg.c (connect_src, connect_dest, disconnect_src,
10873         disconnct_dest): New.
10874         (unchecked_make_edge, remove_edge, redirect_edge_succ,
10875         redirect_edge_pred): Use the new functions.
10876
10877         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
10878         free_dominance_info only when needed.
10879
10880 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
10881
10882         PR target/20276
10883         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
10884         (reg_or_sub_cint64_operand): Same.
10885
10886 2005-03-02  Jeff Law  <law@redhat.com>
10887
10888         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
10889         CFG_ALTERED in the main DOM iteration loop.
10890
10891 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
10892
10893         PR c++/19916
10894         * varasm.c (initializer_constant_valid_p): Allow conversions
10895         between OFFSET_TYPEs.  Tidy.
10896
10897 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
10898
10899         * config/cris/cris.md ("return"): Remove epilogue delay list
10900         sanity check.
10901
10902 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
10903
10904         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
10905         for Thumb.
10906         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
10907
10908 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
10909
10910         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
10911         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
10912         config/m68k/m68k.c, config/mips/mips.h,
10913         config/rs6000/rs6000-protos.h, doc/contrib.texi,
10914         doc/include/gcc-common.texi: Update copyright.
10915
10916         PR middle-end/18029 and PR middle-end/18030
10917         * expr.c (optimize_bitfield_assignment_op): Add a special case
10918         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
10919
10920         * fold-const.c (fold_unary): New.
10921         (fold): Call fold_unary on unary expressions.
10922
10923 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
10924
10925         * cgraph.h (struct cgraph_edge): Add prev_caller and
10926         prev_callee fields.
10927         (cgraph_node_remove_callees): Export.
10928         * cgraph.c (cgraph_create_edge): Initialize prev_caller
10929         and prev_callee.
10930         (cgraph_edge_remove_callee): New function.
10931         (cgraph_edge_remove_caller): Likewise.
10932         (cgraph_remove_edge): Use.
10933         (cgraph_redirect_edge_callee): Likewise.
10934         (cgraph_node_remove_callees): New function.
10935         (cgraph_node_remove_callers): Likewise.
10936         (cgraph_remove_node): Use.
10937         * tree-optimize.c (tree_rest_of_compilation): Use
10938         cgraph_node_remove_callees instead of manual loop.
10939         * cgraphunit.c (cgraph_finalize_function): Likewise.
10940         (cgraph_expand_function): Likewise.
10941         (cgraph_remove_unreachable_nodes): Likewise.
10942
10943 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
10944
10945         PR c/8927
10946         * c-tree.h (undeclared_variable, build_external_ref): Add extra
10947         argument.
10948         * c-decl.c (undeclared_variable): Take location as argument.
10949         * c-typeck.c (build_external_ref): Likewise.
10950         * c-parser.c (c_parser_postfix_expression): Pass location of
10951         identifier to build_external_ref.
10952
10953 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
10954
10955         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
10956         CCEQ mode for branch_positive_comparison_operator test.
10957         * config/rs6000/predicates (branch_comparison_operator): Revert to
10958         define_predicate.
10959         (scc_comparison_operator): Same.
10960         (branch_positive_comparison_operator): Same.
10961
10962 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
10963
10964         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
10965         (cris_delay_slots_for_epilogue): Remove.
10966         (save_last): Move into cris_target_asm_function_epilogue.
10967         (cris_target_asm_function_epilogue): Remove tests for file being
10968         NULL.
10969         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
10970         (cris_delay_slots_for_epilogue): Remove prototypes.
10971         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
10972         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
10973
10974 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
10975
10976         * config/rs6000/predicates.md (branch_comparison_operator): Change
10977         to define_special_predicate.
10978         (scc_comparison_operator): Same.
10979         (branch_positive_comparison_operator): Same.
10980
10981 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
10982
10983         * Makefile.in (tree-ssa-sink.o): New.
10984         (OBJS-common): Add tree-ssa-sink.o.
10985         * common.opt: Add -ftree-sink
10986         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
10987         * timevar.def (TV_TREE_SINK): new timevar.
10988         * tree-flow.h (is_hidden_global_store): Prototype.
10989         * tree-optimize.c (init_tree_optimization_passes): Add
10990         pass_sink_code.
10991         * tree-pass.h (pass_sink_code): New.
10992         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
10993         for non-obvious global store store to is_hidden_global_store, and
10994         call that new function.
10995         * tree-ssa-sink.c: New file.
10996         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
10997         * doc/passes.texi: Document forward store motion.
10998         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
10999         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
11000         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
11001         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
11002
11003 2005-03-01  Per Bothner  <per@bothner.com>
11004
11005         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
11006         and we have a non-zero column-number, add it to the message.
11007         Also factor out the diagnostic_kind_text.
11008
11009 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
11010
11011         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
11012         flow_loop_pre_header_scan, flow_loop_pre_header_find,
11013         flow_loop_scan): Removed.
11014         (flow_loop_dump): Do not dump removed fields.
11015         (flow_loop_free): Do not free removed fields.
11016         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
11017         (loop_exit_edge_p): New function.
11018         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
11019         num_pre_header_edges, entry_edges, num_entries, exit_edges,
11020         num_exits, exits_doms.
11021         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
11022         LOOP_EDGES, LOOP_ALL): Removed.
11023         (flow_loop_scan): Declaration removed.
11024         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
11025         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
11026         flow_loops_find.
11027         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
11028         (if_convert): Call flow_loops_find and flow_loops_free
11029         when calling mark_loop_exit_edges.
11030         * cfgloopanal.c (mark_loop_exit_edges): Moved from
11031         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
11032         free_dominance_info calls.
11033         * loop-init.c (flow_loops_find): Ditto.
11034         * passes.c (rest_of_handle_branch_prob): Ditto.
11035         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
11036         * loop-unroll.c (analyze_insns_in_loop): Do not use
11037         EDGE_LOOP_EXIT.
11038         * predict.c (predict_loops): Do not call flow_loop_scan.
11039         Use get_loop_exit_edges.
11040         (tree_estimate_probability): Do not pass flags to flow_loops_find.
11041         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
11042         Do not use EDGE_LOOP_EXIT.
11043         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
11044         to bb_with_exit_edge_p.
11045         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
11046         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
11047         to bb_with_exit_edge_p.
11048         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
11049         EDGE_LOOP_EXIT.
11050         * tree-loop-linear.c (linear_transform_loops): Do not call
11051         flow_loop_scan.  Use loop->single_exit.
11052         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
11053         (vect_analyze_loop_form): Do not call flow_loop_scan.
11054         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
11055         loop->single_exit.
11056         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
11057         loop->single_exit.
11058         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
11059         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
11060         slpeel_tree_duplicate_loop_to_edge_cfg,
11061         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
11062         Use loop_preheader_edge and loop->single_exit.  Do not call
11063         flow_loop_scan.
11064
11065 2005-03-01  Nick Clifton  <nickc@redhat.com>
11066
11067         * config/arm/arm.c (thumb_find_work_register): Check all of the
11068         argument registers to see if they are free, and a couple of
11069         special cases where the last argument register but can be proved
11070         to be available during the function's prologue.
11071         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
11072         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
11073         thumb_unexpanded_epilogue): Use unsigned long as the type for the
11074         register bit-mask.
11075         (thumb_compute_save_reg_mask): Likewise.  Also use
11076         thumb_find_work_register() to ensure that there is agreement about
11077         which work register is going to be used in the prologue.
11078         (thumb_output_function_prologue): Use unsigned long as the type
11079         for the register bit-mask.  Also delay pushing the link register if
11080         other high registers are going to be pushed.
11081         (thumb_compute_save_reg_mask, emit_multi_reg_push,
11082         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
11083         redundant prototypes.
11084
11085 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
11086
11087         PR target/19819
11088         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
11089         and after reload in REG+REG indexed addresses without REG_POINTER
11090         set in the base and not set in the index.
11091
11092 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
11093
11094         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
11095         Don't undefine here.
11096         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
11097         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
11098         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
11099         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
11100         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
11101         Delete.
11102         * config.gcc (sh*-*-linux*): Use config/linux.h.
11103
11104 2005-02-28  Dale Johannesen  <dalej@apple.com>
11105             Stan Shebs  <shebs@apple.com>
11106
11107         Rewrite of 64-bit Darwin structure-by-value pass/return.
11108         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
11109         intoffset, use_stack, named.
11110         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
11111         (rs6000_darwin64_record_arg_advance_flush):  New.
11112         (rs6000_darwin64_record_arg_advance_recurse): New.
11113         (rs6000_darwin64_record_arg_flush):  New.
11114         (rs6000_darwin64_record_arg_recurse):  New.
11115         (rs6000_darwin64_record_arg):  New.
11116         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
11117         (function_arg_boundary):  Handle 128-bit aligned structs.
11118         (function_arg_advance):  Rewrite darwin64 struct handling.
11119         (function_arg):  Call rs6000_darwin64_record_arg.
11120         (function_arg_partial_nregs):  Handle darwin64 structs.
11121         (rs6000_darwin64_function_value):  Remove.
11122         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
11123
11124 2005-02-28  Roger Sayle  <roger@eyesopen.com>
11125
11126         PR tree-optimization/20216
11127         * tree-chrec.c (tree_fold_factorial): Delete.
11128         (tree_fold_binomial): Change argument list to take a return type
11129         and change the type of K to unsigned int.  Rewrite to avoid explicit
11130         evaluation of factorials, and (recursively) calling fold to perform
11131         compile-time arithmetic.  Return NULL on (internal) overflow.
11132         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
11133         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
11134         if any intermediate calculation overflows.
11135         (chrec_apply): Update call to chrec_evaluate.
11136
11137 2005-02-28  James E Wilson  <wilson@specifixinc.com>
11138
11139         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
11140
11141 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
11142
11143         PR c/20245
11144         * c-parser.c (c_parser_compound_statement): Return error_mark_node
11145         instead of NULL_TREE on error.
11146
11147 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
11148
11149         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
11150         (EASY_VECTOR_15_ADD_SELF): Remove.
11151         (num_insns_constant_wide): Not static.
11152         (validate_condition_mode): Not static.
11153         (toc_relative_expr_p): Not static.
11154         (legitimate_indirect_address_p): Not static.
11155         (macho_lo_sum_memory_operand): Not static.
11156         (invalid_e500_subreg): Not static.
11157         (easy_vector_same): Not static.
11158         (easy_vector_splat_const): Not static.
11159         (RS6000_SYMBOL_REF_TLS_P): Remove.
11160         (any_operand): Delete.
11161         (any_parallel_operand): Delete.
11162         (count_register_operand): Delete.
11163         (altivec_register_operand): Delete.
11164         (xer_operand): Delete.
11165         (s8bit_cint_operand): Delete.
11166         (short_cint_operand): Delete.
11167         (u_short_cint_operand): Delete.
11168         (non_short_cint_operand): Delete.
11169         (exact_log2_cint_operand): Delete.
11170         (gpc_reg_operand): Delete.
11171         (cc_reg_operand): Delete.
11172         (cc_reg_not_cr0_operand): Delete.
11173         (reg_or_short_operand): Delete.
11174         (reg_or_neg_short_operand): Delete.
11175         (reg_or_aligned_short_operand): Delete.
11176         (reg_or_u_short_operand): Delete.
11177         (reg_or_cint_operand): Delete.
11178         (reg_or_arith_cint_operand): Delete.
11179         (reg_or_add_cint64_operand): Delete.
11180         (reg_or_sub_cint64_operand): Delete.
11181         (reg_or_logical_cint_operand): Delete.
11182         (got_operand): Delete.
11183         (got_no_const_operand): Delete.
11184         (easy_fp_constant): Delete.
11185         (easy_vector_constant): Delete.
11186         (easy_vector_constant_add_self): Delete.
11187         (zero_constant): Delete.
11188         (zero_fp_constant): Delete.
11189         (volatile_mem_operand): Delete.
11190         (offsettable_mem_operand): Delete.
11191         (mem_or_easy_const_operand): Delete.
11192         (add_operand): Delete.
11193         (non_add_cint_operand): Delete.
11194         (logical_operand): Delete.
11195         (non_logical_cint_operand): Delete.
11196         (mask_operand): Delete.
11197         (mask_operand_wrap): Delete.
11198         (mask64_operand): Delete.
11199         (mask64_2_operand): Delete.
11200         (and64_operand): Delete.
11201         (and64_2_operand): Delete.
11202         (and_operand): Delete.
11203         (reg_or_mem_operand): Delete.
11204         (lwa_operand): Delete.
11205         (symbol_ref_operand): Delete.
11206         (call_operand): Delete.
11207         (current_file_function_operand): Delete.
11208         (input_operand): Delete.
11209         (rs6000_nonimmediate_operand): Delete.
11210         (rs6000_tls_symbol_ref): Delete.
11211         (save_world_operation): Delete.
11212         (restore_world_operation): Delete.
11213         (load_multiple_operation): Delete.
11214         (store_multiple_operation): Delete.
11215         (vrsave_operation): Delete.
11216         (mfcr_operation): Delete.
11217         (mtcrf_operation): Delete.
11218         (lmw_operation): Delete.
11219         (stmw_operation): Delete.
11220         (branch_comparison_operator): Delete.
11221         (branch_positive_comparison_operator): Delete.
11222         (scc_comparison_operator): Delete.
11223         (trap_comparison_operator): Delete.
11224         (boolean_operator): Delete.
11225         (boolean_or_operator): Delete.
11226         (min_max_operator): Delete.
11227         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
11228         (EASY_VECTOR_15): Moved to here.
11229         (EASY_VECTOR_15_ADD_SELF): Move to here.
11230         (PREDICATE_CODES): Delete.
11231         * config/rs6000/rs6000-protos.h: Delete predicate functions.
11232         Declare functions no longer static.
11233         * config/rs6000/predicates.md: New.
11234         * config/rs6000/rs6000.md: Include predicates.md
11235
11236 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
11237
11238         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
11239         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
11240         REG_ALWAYS_RETURN.
11241         * cfgrtl.c (need_fake_edge_p): Likewise.
11242         * combine.c (distribute_notes): Likewise.
11243         * emit-rtl.c (try_split): Likewise.
11244         * recog.c (peephole2_opimize): Likewise.
11245         * reg-notes.def (ALWAYS_RETURN): Remove.
11246         * rtl.h (LCT_ALWAYS_RETURN): Remove.
11247         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
11248         * tree.h (ECF_ALWAYS_RETURN): Remove.
11249
11250 2005-02-28  Roger Sayle  <roger@eyesopen.com>
11251
11252         PR middle-end/19874
11253         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
11254         between different machine modes is never a "useless" conversion.
11255
11256 2005-02-28  Geert Bosch  <bosch@gnat.com>
11257
11258         PR ada/15977
11259         * doc/contrib.texi: List contributors for Ada front end
11260
11261 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
11262
11263         * simplify-rtx.c (simplify_unary_operation_1,
11264         simplify_const_unary_operation): New, extracted from...
11265         (simplify_unary_operation): ... this one.
11266         (simplify_binary_operation_1,
11267         simplify_const_binary_operation): New, extracted from...
11268         (simplify_binary_operation): ... this one.
11269         * rtl.h (simplify_const_unary_operation,
11270         simplify_const_binary_operation): Add prototypes.
11271
11272 2005-02-28  Julian Brown  <julian@codesourcery.com>
11273
11274         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
11275         building libjava and caused PR regression/20228.
11276
11277 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
11278
11279         PR bootstrap/17383
11280         * Makefile.in (host_subdir): New.
11281         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
11282         * configure: Regenerate.
11283
11284 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
11285
11286         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
11287         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
11288         installation directory first.
11289
11290 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
11291
11292         PR target/19065.
11293         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
11294         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
11295         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
11296         * config/cris/cris.md: Tweak comments referring to Q.
11297         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
11298         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
11299         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
11300         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
11301         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
11302         Insert spaces in constraints to align alternatives vertically for
11303         readability.
11304         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
11305         operand 1: "M".
11306
11307 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11308
11309         PR rtl-optimization/17728
11310         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
11311         operand 0 from general_operand to move_dest_operand.
11312
11313 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11314
11315         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
11316         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
11317         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
11318         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
11319
11320 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
11321
11322         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
11323         * configure: Regenerate.
11324         * libada-mk.in: Remove CC; rename
11325         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
11326
11327 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
11328
11329         PR tree-opt/20188
11330         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
11331         for the lhs, also walk over the tree.  Likewise for rhs.
11332
11333 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
11334
11335         * tree-ssa-dom.c (simple_iv_increment_p): New function.
11336         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
11337         Do not propagate value of iv before increment over the increment.
11338
11339 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
11340
11341         * c-parser.c: New file.
11342         * c-parse.in: Remove.
11343         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
11344         Remove.
11345         (c-parser.o): Add dependencies.
11346         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
11347         maintainer-clean, TAGS): Update.
11348         * c-config-lang.in (gtfiles): Update.
11349         * gengtype-lex.l: Don't handle "@@".
11350         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
11351         objc_build_synchronized, objc_begin_try_stmt,
11352         objc_begin_catch_clause, objc_finish_catch_clause,
11353         objc_build_finally_clause, objc_finish_try_stmt): New.
11354         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
11355         type_seen_p.
11356         (c_parse_init): Update comment.
11357         * c-decl.c (c_init_decl_processing): Update comment.
11358         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
11359         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
11360         new c_declspecs members.
11361
11362 2005-02-25  Julian Brown  <julian@codesourcery.com>
11363
11364         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
11365         from being used for symbols with vague linkage when
11366         HAVE_GAS_COMDAT_GROUP is true.
11367
11368 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
11369
11370         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
11371
11372 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
11373
11374         PR target/19930
11375         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
11376         (LIBGCC2_HAS_DF_MODE): New.
11377         (LIBGCC2_HAS_XF_MODE): New.
11378         (LIBGCC2_HAS_TF_MODE): New.
11379         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
11380         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
11381         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
11382         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
11383         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
11384         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
11385         and add _fixtfdi, _fixunstfdi, _floatditf
11386         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
11387         L_fixunstfdi, L_floatditf.
11388         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
11389         (LIBGCC2_HAS_TF_MODE): Define.
11390
11391 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
11392
11393         PR tree-optimization/20204
11394         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
11395         REWRITE_THIS_STMT markers on PHI nodes.
11396         (rewrite_initialize_block): Likewise.
11397
11398 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
11399
11400         * version.c (version_string): Update to 4.1.
11401
11402 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
11403
11404         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
11405         Clarify that the alternative way doesn't work in GNU C++.
11406
11407 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
11408
11409         PR tree-optimization/19937
11410         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
11411         to the type of the induction variable.
11412
11413 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
11414
11415         PR rtl-optimization/20117
11416         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
11417         the block including noncopyable insn.
11418
11419 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
11420
11421         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
11422         calls to find_reg_note.
11423
11424 2005-02-24  Richard Henderson  <rth@redhat.com>
11425
11426         PR tree-opt/20127
11427         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
11428         the type.
11429
11430 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
11431
11432         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
11433         vector types if to use base reg for misaligned non-word ld/std.
11434
11435 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
11436
11437         PR target/14619
11438         * config/cris/cris.c (cris_target_asm_function_prologue): Create
11439         dwarf2 label manually and put it after, not before the prologue.
11440
11441 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
11442
11443         PR target/19019
11444         * reload.c (operands_match_p): Only increment register number for
11445         SCALAR_INT_MODE_P modes in multiple hard registers.
11446
11447         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
11448         Fix formatting.
11449
11450 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
11451
11452         * ChangeLog.5: Fix log message typo(s).
11453         * ChangeLog.7: Likewise.
11454         * ChangeLog.tree-ssa: Likewise.
11455         * cfgexpand.c: Fix comment typo(s).
11456         * conflict.c: Likewise.
11457         * defaults.h: Likewise.
11458         * dwarf2out.c: Likewise.
11459         * gcse.c: Likewise.
11460         * ggc-page.c: Likewise.
11461         * tree-eh.c: Likewise.
11462         * tree-ssa-dom.c: Likewise.
11463
11464 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
11465
11466         PR target/19019
11467         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
11468         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
11469         if SHARED is defined.
11470
11471         PR target/20196
11472         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
11473         allow splitting only if operands 0 and 3 don't overlap.
11474
11475 2005-02-24  Richard Henderson  <rth@redhat.com>
11476
11477         PR middle-end/19953
11478         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
11479         (fold_builtin_1): Call them.
11480         * fold-const.c (fold_complex_mult_parts): Split out from ...
11481         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
11482         (fold_complex_div_parts, fold_complex_div): New.
11483         (fold): Use them.
11484         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
11485
11486 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11487
11488         * tree-ssa-ccp.c (visit_assignment): Verify that result of
11489         VIEW_CONVERT_EXPR is_gimple_min_invariant.
11490
11491         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
11492         (print_node): Likewise.
11493         Print TYPE_SIZES_GIMPLIFIED.
11494
11495 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
11496
11497         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
11498         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
11499         operands as commutative in constraints.
11500
11501 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
11502
11503         * tree-into-ssa.c: Re-organize internal functions.
11504
11505 2005-02-24  Richard Henderson  <rth@redhat.com>
11506
11507         PR middle-end/18902
11508         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
11509         for c99.
11510         * common.opt (fcx-limited-range): New.
11511         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
11512         * toplev.c (flag_complex_method): Initialize to 1.
11513         (process_options): Set flag_complex_method to 0 if
11514         flag_cx_limited_range.
11515         * doc/invoke.texi (-fcx-limited-range): New.
11516
11517 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
11518
11519         * cse.c (delete_trivially_dead_insns): Speed up by using
11520         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
11521         prev_real_insn.
11522
11523 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
11524
11525         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
11526         functions when -mid-shared-library is being used.
11527
11528 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
11529
11530         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
11531         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
11532         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
11533         * system.h: Poison LINK_LIBGCC_SPECIAL.
11534
11535 2005-02-23  James E Wilson  <wilson@specifixinc.com>
11536
11537         * gengtype.c (note_insn_name): Make 1 element larger.
11538
11539 2005-02-23  Roger Sayle  <roger@eyesopen.com>
11540
11541         PR target/20018
11542         PR rtl-optimization/20097
11543         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
11544         BImode SUBREGs of SImode registers which confuse the ia64 backend.
11545
11546 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
11547
11548         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
11549         * t-aix52 (SHLIB_INSTALL): Same.
11550
11551 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
11552
11553         * genpreds.c: Update copyright.
11554
11555 2005-02-23  Michael Beach  <michaelb@ieee.org>
11556
11557         PR target/20159
11558         * config/sparc/t-elf (startup files): Assemble with CPP.
11559
11560 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
11561
11562         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
11563         (write_predicate_expr): Likewise.
11564
11565 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
11566
11567         PR tree-optimization/20100
11568         PR tree-optimization/20115
11569         * tree-optimize.c (init_tree_optimization_passes): Remove
11570         pass_maybe_create_global_var.
11571         * tree-pass.h (pass_maybe_create_global_var): Remove.
11572         * tree-ssa-alias.c (aliases_computed_p): Declare.
11573         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
11574         (count_calls_and_maybe_create_global_var): Remove.
11575         (pass_maybe_create_global_var): Remove.
11576         (init_alias_info): Do not declare aliases_computed_p.
11577         (maybe_create_global_var): If the function contains no
11578         call-clobbered variables and a mix of pure/const and regular
11579         function calls, create .GLOBAL_VAR.
11580         Mark all call-clobbered variables for renaming.
11581         (merge_pointed_to_info): Update comment.
11582         (add_pointed_to_var): Likewise.
11583         (is_escape_site): Likewise.
11584         Accept struct alias_info * instead of size_t *.
11585         Update all users.
11586         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
11587         as necessary.
11588         * tree-ssa-operands.c (get_call_expr_operands): If
11589         ALIASES_COMPUTED_P is false, do not add call-clobbering
11590         operands.
11591         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
11592         (delete_tree_ssa): Likewise.
11593
11594 2005-02-22  James E Wilson  <wilson@specifixinc.com>
11595
11596         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
11597         (do_compile): Do call it here.
11598
11599 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
11600
11601         PR rtl-optimization/20017.
11602         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
11603         rest_of_handle_cse2, rest_of_handle_gcse): Call
11604         delete_dead_jumptables immediately before calling cleanup_cfg.
11605
11606 2005-02-22  Devang Patel  <dpatel@apple.com>
11607
11608         PR 19952
11609         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
11610         all labels
11611
11612 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
11613
11614         * config/rs6000/aix.h (WINT_TYPE): Define.
11615
11616 2005-02-22  Stan Shebs  <shebs@apple.com>
11617
11618         * config/rs6000/rs6000.c (rs6000_override_options): Default to
11619         natural alignment for 64-bit Darwin.
11620         (rs6000_parse_alignment_option): Warn about uses of -malign-power
11621         on 64-bit Darwin.
11622         * doc/invoke.texi: Document this.
11623
11624 2005-02-22  DJ Delorie  <dj@redhat.com>
11625
11626         * c-common.c (c_common_type_for_mode): Pass the mode's precision
11627         to make_[un]signed_type, not the mode itself.
11628
11629 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
11630
11631         * cfg.c (cached_make_edge): Call make_edge if edge cache is
11632         not available.  Use tail calls wherever possible.
11633         (make_edge): Call unchecked_make_edge to create an edge.
11634
11635         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
11636         (coalesce_ssa_name): Don't check for
11637         SSANORM_USE_COALESCE_LIST.
11638         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
11639
11640 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
11641
11642         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
11643         (rewrite_into_ssa): ... here.
11644
11645 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
11646
11647         PR tree-optimization/19786
11648         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
11649         tag to another's may-alias bitmap when adding to the other's list.
11650
11651 2005-02-21  DJ Delorie  <dj@redhat.com>
11652
11653         * tree-ssa-loop-ivopts.c (computation_cost): Start register
11654         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
11655         registers in unsupported ways.
11656         * expmed.c (init_expmed): Likewise.
11657
11658 2005-02-21  Stan Cox  <scox@redhat.com>
11659
11660         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
11661
11662 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
11663
11664         * tree-cfg.c (fold_cond_expr_cond): New.
11665         (make_edges): Call fold_cond_expr_cond.
11666         (find_taken_edge): Accept nothing but INTEGER_CST.
11667         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
11668         and 1.
11669         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
11670
11671         * flow.c (delete_dead_jumptables): Speed up by scanning insns
11672         that do not belong to any basic block.
11673
11674 2005-02-21  Jeff Law  <law@redhat.com>
11675
11676         * cfganal.c (find_unreachable_blocks): Manually CSE load of
11677         e->dest.
11678
11679 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
11680
11681         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
11682         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
11683         Adjust their definitions.
11684         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
11685         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
11686
11687         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
11688         genautomata.c, langhooks.c, langhooks.h, system.h,
11689         config/arm/lib1funcs.asm: Update copyright.
11690
11691 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
11692
11693         * dbxout.c (dbxout_function_end): Emit Lscope label always.
11694
11695 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
11696
11697         PR bootstrap/13770
11698         * doc/install.texi: Document --with-gc.
11699
11700 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
11701
11702         * simplify-rtx.c (simplify_unary_operation): Add a missing
11703         "break" statement.
11704
11705 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
11706
11707         PR tree-optimization/18663
11708         * tree-ssa-dom.c (extract_range_from_cond): Return 0
11709         if the type has variable bounds.
11710
11711 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
11712
11713         * gcse.c: Remove an obsolete comment.
11714
11715         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
11716
11717 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
11718
11719         * doc/extend.texi (Function Attributes) <Attribute const>: The
11720         attribute "pure" is below this text, not above.
11721
11722 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11723
11724         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
11725         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
11726         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
11727
11728 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
11729
11730         PR 18785
11731         * langhooks.h (struct lang_hooks): Add to_target_charset.
11732         * langhooks.c (lhd_to_target_charset): New function.
11733         * langhooks-def.h: Declare lhd_to_target_charset.
11734         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
11735         (LANG_HOOKS_INITIALIZER): Update.
11736         * c-common.c (c_common_to_target_charset): New function.
11737         * c-common.h: Declare it.
11738         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
11739         c_common_to_target_charset.
11740
11741         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
11742         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
11743         Delete definitions.
11744         * system.h: Poison them.
11745         * doc/tm.texi: Don't discuss them.
11746         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
11747         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
11748         (pp_c_char): Do not attempt to generate letter escapes for
11749         newline, tab, etc.
11750         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
11751         * config/mips/mips.c (mips_output_ascii): Likewise.
11752
11753 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
11754
11755         PR tree-optimization/19951
11756         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
11757         is abnormal.
11758
11759 2005-02-19  Steven Bosscher  <stevenb@suse.de>
11760
11761         PR middle-end/19698
11762         * function.h (struct function): New field `max_loop_depth'.
11763         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
11764         (flow_loops_find): Reset the max loop depth count before finding loops.
11765         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
11766         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
11767         (calculate_global_regs_live): Make sure the loop will terminate
11768         when the initial sets are not empty.
11769
11770 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
11771
11772         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
11773         object inside.
11774         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
11775
11776 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
11777
11778         PR other/19525
11779         * doc/invoke.texi: Remove documentation of %M spec.
11780         * gcc.c: Likewise.
11781         (init_spec): Remove %M suffix from -lgcc_s.
11782         (do_spec_1): Remove 'M' case.
11783         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
11784         to put shared libraries in the multilib directory.  Remove the
11785         shlib_so_soname substitution variable.  Don't add a multilib encoding
11786         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
11787         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
11788         SHLIB_INSTALL as well as SHLIB_LINK.
11789         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
11790         (SHLIB_NAME): Delete.
11791         (SHLIB_DIR): New macro.
11792         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
11793         (SHLIB_INSTALL): Adjust accordingly.
11794         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
11795         * config/t-slibgcc-sld: Likewise.
11796         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
11797         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
11798         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
11799         in $(SHLIB_DIR).
11800         (SHLIBUNWIND_INSTALL): Adjust accordingly.
11801         * config/i386/t-nwld (SHLIB_SONAME): Delete.
11802         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
11803         Use @shlib_base_name@ instead of @shlib_so_name@.
11804         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
11805         and @shlib_base_name@.so in @multilib_dir@.
11806         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
11807         to the install path.
11808         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
11809         (SHLIB_LINK): Remove previous workaround.
11810         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
11811         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
11812         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
11813         the install path.
11814         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
11815         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
11816         (SHLIB_INSTALL): Adjust accordingly.
11817         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
11818         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
11819         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
11820         config/t-slibgcc-elf-ver.
11821
11822 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
11823             Jakub Jelinek  <jakub@redhat.com>
11824
11825         PR tree-optimization/19828
11826         * tree-ssa-loop-im.c: Add a TODO comment.
11827         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
11828         without side-effects.
11829
11830 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
11831
11832         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
11833         call fold_convert.
11834
11835 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
11836
11837         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
11838         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
11839         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
11840         functions.
11841         (ia64_reorg): Delete fixup_errata call.
11842         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
11843         (TARGET_SWITCHES): Delete -mb-step entry.
11844
11845 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
11846
11847         PR c/20043
11848         * c-typeck.c (composite_type): Handle quals in transparent unions.
11849         (type_lists_compatible_p): Likewise.
11850
11851 2005-02-18  Stan Shebs  <shebs@apple.com>
11852
11853         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
11854         expressions in the .literal8 section.
11855
11856 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
11857
11858         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
11859
11860 2005-02-18  Roger Sayle  <roger@eyesopen.com>
11861
11862         * fold-const.c (constant_boolean_node): Always create values of the
11863         specified type, don't bother calling truthvalue_conversion.
11864
11865 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
11866
11867         * except.c (output_function_exception_table): Call
11868         assemble_external_libcall (eh_personality_libfunc).
11869
11870 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
11871
11872         PR target/19886
11873         * config/ia64/ia64.h (struct machine_function): Add state_num.
11874         * config/ia64/ia64.c (process_epilogue,
11875         process_for_unwind_directive): Use new unwind state numbers each
11876         time rather than state 1.
11877
11878 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
11879
11880         PR target/20054
11881         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
11882         before the "*llgt_didi" pattern.
11883
11884 2005-02-18  Jason Merrill  <jason@redhat.com>
11885
11886         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
11887
11888 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
11889
11890         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
11891         (div0): Use it in place of ARM_FUNC_ALIAS.
11892         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
11893
11894 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
11895
11896         PR middle-end/20030
11897         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
11898         access, the lower bound of the array type if it exists.
11899
11900 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
11901
11902         PR c++/20008
11903         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
11904         cases that are out-of-range for the index type.
11905
11906 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
11907
11908         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
11909         (estimate_case_costs): Don't call convert.
11910         * expmed.c (expand_shift): Likewise.
11911         (make_tree): Call fold_convert instead of convert.
11912
11913 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
11914
11915         PR c++/19813
11916         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
11917         that ref to be marked MEM_READONLY_P doesn't have base that needs
11918         constructing.
11919
11920 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
11921
11922         * genautomata.c (output_get_cpu_unit_code_func,
11923         output_cpu_unit_reservation_p): Don't generate old-style function
11924         definitions.
11925
11926 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
11927
11928         PR c++/20023
11929         PR tree-optimization/20009
11930         * convert.c (convert_to_integer): Revert 2005-02-16 change.
11931
11932         PR tree-optimization/18947
11933         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
11934         inline, remove all nodes that are inlined into the extern inline
11935         being redefined.
11936
11937 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
11938
11939         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
11940         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
11941         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
11942         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
11943         Update copyright.
11944
11945 2005-02-17  Roger Sayle  <roger@eyesopen.com>
11946
11947         PR tree-optimization/19917
11948         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
11949         to be potentially trapping.
11950
11951 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
11952
11953         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
11954
11955 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
11956
11957         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
11958         tem becomes a local variable which is set to the value of the
11959         back end defined INITIAL_FRAME_ADDRESS macro.
11960         (expand_builtin_frame_address): Omit the base parameter to
11961         expand_builtin_return_addr.
11962         (expand_builtin_profile_func): Likewise.
11963         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
11964         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
11965         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
11966
11967 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
11968
11969         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
11970         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
11971         * config/frv/frv.c (frv_function_epilogue): Likewise.
11972
11973 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
11974
11975         * lambda-code (perfect_nestify): Remove mark/unmark
11976         for rewriting hack.
11977         * tree-loop-linear.c (linear_transform_loops): Add
11978         rewrite_into_ssa call so that ssa is correct for
11979         rewriting into loop closed.
11980
11981 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
11982
11983         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
11984         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
11985         BITMAP_FREE.
11986         * bt-load.c (btr_def_live_range, combine_btr_defs,
11987         migrate_btr_def, migrate_btr_defs): Likewise.
11988         * cfgcleanup.c (thread_jump): Likewise.
11989         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
11990         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
11991         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
11992         df_rd_local_compute, df_reg_info_compute): Likewise.
11993         * dominance.c (init_dom_info, free_dom_info): Likewise.
11994         * flow.c (init_propagate_block_info,
11995         free_propagate_block_info): Likewise.
11996         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
11997         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
11998         modify_reg_pav): Likewise.
11999         * loop-invariant.c (find_defs, find_invariant_insn,
12000         find_invariants, free_inv_motion_data): Likewise.
12001         * predict.c (tree_predict_by_opcode,
12002         estimate_bb_frequencies): Likewise.
12003         * stmt.c (expand_case): Likewise.
12004         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
12005         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
12006         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
12007         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
12008         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
12009         rewrite_ssa_into_ssa): Likewise.
12010         * tree-optimize.c (tree_rest_of_compilation): Likewise.
12011         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
12012         analyze_edges_for_bb, perform_edge_inserts): Likewise.
12013         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
12014         * tree-sra.c (tree_sra): Likewise.
12015         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
12016         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
12017         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
12018         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
12019         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
12020         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
12021         Likewise.
12022         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
12023         calculate_live_on_entry, calculate_live_on_exit,
12024         build_tree_conflict_graph): Likewise.
12025         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
12026         record_important_candidates, set_use_iv_cost, find_depends,
12027         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
12028         tree_ssa_iv_optimize_finalize): Likewise.
12029         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
12030         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
12031         tree_duplicate_loop_to_header_edge): Likewise.
12032         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
12033         * tree-ssa.c (verify_flow_insensitive_alias_info,
12034         verify_name_tags, verify_ssa, init_tree_ssa,
12035         delete_tree_ssa): Likewise.
12036         * tree-ssanames.c (marked_ssa_names, init_ssanames,
12037         fini_ssanames): Likewise.
12038         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
12039
12040 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
12041
12042         * config/rs6000/t-rtems: Completely reworked.
12043
12044 2005-02-17  Ira Rosen  <irar@il.ibm.com>
12045
12046         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
12047
12048 2005-02-17  Ira Rosen  <irar@il.ibm.com>
12049
12050         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
12051         POINTER_TYPE_P when checking that type is a pointer.
12052         (vect_get_memtag): Remove.
12053         (vect_address_analysis): Use POINTER_TYPE_P. Call
12054         vect_object_analysis with dummy parameter for memtag.
12055         (vect_object_analysis): Extract memtag (functionality that
12056         used to be in vect_get_memtag and moved here). Fix printings.
12057         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
12058         with correct parameters. Remove call to vect_get_memtag.
12059
12060 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
12061
12062         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
12063         (tree-vectorizer.o): Added missing dependencies.
12064
12065         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
12066         decleration.
12067         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
12068         declaration in tree-vectorizer.c, now has an extern declaration in
12069         tree-vectorizer.h).
12070         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
12071         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
12072         get_vectype_for_scalar_type, vect_is_simple_use,
12073         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
12074         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
12075         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
12076         vectorizable_store, vectorizable_operation, vectorizable_assignment,
12077         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
12078         find_loop_location): Likewise.
12079
12080         * tree-vectorizer.c (langhooks.h): #include removed.
12081         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
12082         moved to tree-vectorized.h.
12083         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
12084         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
12085         get_vectype_for_scalar_type, vect_is_simple_use,
12086         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
12087         vect_supportable_dr_alignment, new_loop_vec_info,
12088         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
12089         vect_set_verbosity_level, find_loop_location): Likewise.
12090
12091         (vect_analyze_loop): Function externalized. Declaration moved to
12092         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
12093         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
12094         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
12095         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
12096         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
12097         vect_enhance_data_refs_alignment, vect_analyze_operations,
12098         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
12099         vect_stmt_relevant_p, vect_get_loop_niters,
12100         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
12101         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
12102         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
12103         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
12104         vect_get_memtag): Likewise.
12105
12106         (vectorizable_load): Function externalized. Declaration moved to
12107         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
12108         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
12109         vect_transform_loop): Likewise.
12110         (vect_transform_stmt): Moved to tree-vect-transform.c.
12111         (vect_align_data_ref, vect_create_destination_var,
12112         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
12113         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
12114         vect_get_vec_def_for_operand, vect_init_vector,
12115         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
12116         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
12117         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
12118         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
12119         vect_do_peeling_for_loop_bound): Likewise.
12120
12121         * tree-vect-analyze.c: New file.
12122         * tree-vect-transform.c: New file.
12123
12124 2005-02-17  Jason Merrill  <jason@redhat.com>
12125
12126         PR mudflap/19319, c++/19317
12127         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
12128         slot explicit.
12129
12130 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
12131
12132         * doc/install.texi (Specific): Update link for Darwin-specific
12133         tool binary site.
12134
12135 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
12136
12137         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
12138         constant_boolean_node.
12139
12140 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
12141
12142         PR target/19019
12143         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
12144         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
12145
12146 2005-02-16  Richard Henderson  <rth@redhat.com>
12147
12148         PR 19920
12149         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
12150         with W_TYPE_SIZE.
12151         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
12152         replace uses with Wtype_MAXp1_F.
12153         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
12154         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
12155         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
12156         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
12157         and HAVE_TFMODE as appropriate.
12158         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
12159         (__floatdisf): Likewise.
12160         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
12161         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
12162         (Wtype_MAXp1_F): New.
12163         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
12164         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
12165
12166 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
12167
12168         * PR target/19162
12169         * arm.c (arm_apply_result_size): New function.
12170         * arm.h (APPLY_RESULT_SIZE): Define.
12171         * arm-protos.h (arm_apply_result_size): Add prototype.
12172         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
12173         (movxf): New expand.
12174         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
12175         (call_value_symbol): Remove predicate for operand 0.
12176         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
12177         (untyped_call): Rework to correclty return values for any type.
12178         (untyped_return): New expand.
12179         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
12180
12181 2005-02-16  Stan Shebs  <shebs@apple.com>
12182
12183         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
12184         * config/rs6000/t-darwin8: New, for 64-bit multilib.
12185
12186 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
12187
12188         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
12189         configure settings on Solaris 7 and later.
12190
12191 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
12192
12193         PR tree-optimization/19865
12194         * tree-optimize.c (init_tree_optimization_passes): Run
12195         pass_may_alias after pass_sra.
12196
12197 2005-02-16  Richard Henderson  <rth@redhat.com>
12198             Stuart Hastings  <stuart@apple.com>
12199
12200         PR debug/19521
12201         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
12202         Do nothing if debug info suppressed for this function.
12203         (dbxout_begin_function): Early exit if debug info suppressed for
12204         this function.
12205
12206 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
12207
12208         PR target/20007
12209         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
12210         find_basic_blocks.
12211         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
12212
12213         PR tree-optimization/19967
12214         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
12215         expand_builtin_strchr, expand_builtin_strrchr): Take a new
12216         argument TYPE.  Adjust calls to fold_builtin_XXX.
12217         (expand_builtin, fold_builtin_1): Adjust calls to
12218         expand_builtin_XXX.
12219         (fold_builtin_strchr, fold_builtin_strpbrk,
12220         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
12221         result to a requested type TYPE.
12222
12223 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
12224
12225         PR middle-end/19857
12226         * fold-const.c (fold): Don't optimize (T)(x & cst) to
12227         (T)x & (T)cst if (T)cst overflows.
12228         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
12229         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
12230
12231 2005-02-15  Jeff Law  <law@redhat.com>
12232
12233         * gcse.c (blocks_with_calls): New bitmap.
12234         (alloc_gcse_mem): Allocate it.
12235         (free_gcse_mem): Free it.
12236         (clear_modifY_mem_tables): Clear it.
12237         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
12238         when we encounter CALL_INSNs.
12239         (compute_transp, case MEM): Handle blocks with calls separate
12240         from blocks without calls.  Use bitmap iterators rather than
12241         FOR_EACH_BB.
12242
12243 2005-02-15  Peter O'Gorman  <peter@pogma.com>
12244
12245         PR bootstrap/18810
12246         * mklibgcc.in (vis_hide): Use a temporary object file, not
12247         -o /dev/null.
12248
12249 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
12250
12251         PR target/19924
12252         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
12253         access optimization.
12254
12255 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
12256             Alan Modra  <amodra@bigpond.net.au>
12257
12258         PR target/19019
12259         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
12260         (_xlqsub): Rename to __gcc_qsub.
12261         (_xlqmul): Rename to __gcc_qmul.
12262         (_xlqdiv): Rename to __gcc_qdiv.
12263         Provide versioned symbol aliases with old names.
12264         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
12265         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
12266         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
12267         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
12268         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
12269
12270 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
12271
12272         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
12273         Fold ~(A - 1) and ~(A + -1) to -A.
12274
12275 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
12276
12277         PR pch/14940
12278         PR target/19300
12279         * config/host-linux.c (linux_gt_pch_use_address): Copy from
12280         config/pa/pa-host.c:pa_gt_pch_use_address.
12281
12282 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
12283
12284         * tree-vn.c (get_value_handle): Make sure that given an
12285         is_gimple_min_invariant expression, we always return it.
12286
12287 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
12288
12289         * passes.c (rest_of_handle_gcse): Fix a comment.
12290
12291 2005-02-15  Jeff Law  <law@redhat.com>
12292
12293         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
12294         bitmap.
12295         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
12296         (canon_list_insert, record_last_mem_set_info): Similarly.
12297         (clear_modify_mem_tables): Similarly.
12298
12299 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
12300
12301         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
12302         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
12303         config/mips/mips.md, config/rs6000/aix.h,
12304         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
12305
12306 2005-02-15  Richard Henderson  <rth@redhat.com>
12307
12308         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
12309         call to be best_edge.
12310
12311 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
12312
12313         * basic-block.h: Adjust the prototype for find_basic_blocks.
12314         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
12315         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
12316         find_basic_blocks.
12317
12318         * flow.c (recompute_reg_usage): Remove all arguments.
12319         * passes.c (rest_of_compilation): Adjust the call to
12320         recompute_reg_usage.
12321         * rtl.h: Adjust the prototype for recompute_reg_usage.
12322
12323 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
12324
12325         * tree-dump.c (dump_files): Update to reflect new member
12326         of dump_file_info.
12327         (dump_register): Add new argument.
12328         Set glob name.
12329         (dump_switch_p_1): Check against glob name if doglob was passed.
12330         (dump_switch_p): Check against regular first, then glob if
12331         we didn't have any hits on the dump name.
12332         * tree-optimize.c (register_one_dump_file):
12333         Pass in glob name as well.
12334         * tree-pass.h (struct dump_file_info): Add glob
12335         member.
12336
12337 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
12338
12339         PR preprocessor/16323
12340         * doc/invoke.texi: Document that -Wendif-labels is on by default.
12341
12342 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
12343
12344         PR target/19019
12345         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
12346         (trunctfdf2_internal1): New.
12347         (trunctfdf2_internal2): Renamed from trunctfdf2.
12348
12349 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
12350
12351         PR tree-optimization/19853
12352         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
12353
12354 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
12355
12356         * passes.c (rest_of_handle_loop_optimize): Remove calls to
12357         delete_dead_jumptables and cleanup_cfg.
12358
12359 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
12360
12361         * reload.c (find_reloads): Swap address_reloaded flags when
12362         swapping commutative operands.
12363
12364 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
12365
12366         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
12367         Use standard_iv_increment_position for computing the bsi position
12368         for create_iv.
12369         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
12370         the bsi position.
12371
12372 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
12373
12374         PR target/17428
12375         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
12376         life range of hard registers.
12377         * value-prof.c (insn_prefetch_values_to_profile): Only
12378         scan normal insns.
12379
12380         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
12381         profile in libcalls.
12382
12383 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
12384
12385         * bitmap.h (bitmap_and_compl_into): Return bool.
12386         * bitmap.c (bitmap_and_compl_into): Return changed flag.
12387
12388 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
12389
12390         PR tree-optimization/19944
12391         * fold-const.c (fold): Re-add ABS_EXPR folding.
12392
12393 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
12394
12395         PR target/19019
12396         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
12397         {TARGET,MASK}_XL_COMPAT.
12398         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
12399         MASK_XL_COMPAT.
12400         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
12401         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
12402         TARGET_XL_COMPAT.
12403         (rs6000_arg_partial_bytes): Same.
12404         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
12405         and XL compatibility enabled.
12406         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
12407         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
12408         test to final condition.
12409         (cmptf_internal2): New.
12410         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
12411         xl-compat.  Add TFmode information to description.
12412
12413 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
12414
12415         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
12416
12417 2005-02-13  Jason Merrill  <jason@redhat.com>
12418
12419         PR c++/16405
12420         * fold-const.c (fold_indirect_ref_1): Split out from...
12421         (build_fold_indirect_ref): Here.
12422         (fold_indirect_ref): New fn.
12423         * tree.h: Declare it.
12424         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
12425         (gimplify_modify_expr_rhs): Likewise.
12426         (gimplify_expr): Likewise.
12427
12428 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
12429
12430         PR tree-optimization/14303
12431         PR tree-optimization/15784
12432         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
12433         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
12434         ABS_EXPR<x> != 0 to x != 0.
12435
12436 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
12437
12438         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
12439         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
12440         spelling conventions.
12441
12442         * passes.c (rest_of_handle_gcse): Don't run cse_main and
12443         delete_trivially_dead_insns too many times.
12444
12445         * passes.c (rest_of_handle_gcse): Remove dead assignments to
12446         tem and tem2.
12447
12448 2005-02-12  Ira Rosen  <irar@il.ibm.com>
12449
12450         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
12451         (vect_is_simple_iv_evolution): Remove redundant parameter
12452         and step check.
12453         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
12454         without last parameter.
12455         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
12456         Return pointer step. Call vect_is_simple_iv_evolution without
12457         last parameter. Check only that the step is multiple of size
12458         type. Remove stmt_vinfo updates.
12459         (vect_get_memtag_and_dr): Remove.
12460         (vect_get_memtag): New function.
12461         (vect_address_analysis): New function.
12462         (vect_object_analysis): New function.
12463         (vect_analyze_data_refs): Call vect_object_analysis and
12464         vect_get_memtag. Update stmt_vinfo fields.
12465
12466 2005-02-12  Ira Rosen  <irar@il.ibm.com>
12467
12468         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
12469         exist and are objects. Remove checks for pointer.
12470         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
12471         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
12472         (vect_create_data_ref_ptr): Likewise.
12473         (vect_base_addr_differ_p): New function.
12474         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
12475         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
12476         Don't set the DR_BASE_NAME field of data-ref.
12477         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
12478
12479 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
12480
12481         * optabs.h (enum optab_index): Add new OTI_ldexp.
12482         (ldexp_optab): Define corresponding macro.
12483         * optabs.c (init_optabs): Initialize ldexp_optab.
12484         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
12485         patterns.
12486         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
12487         using ldexp_optab.
12488         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
12489         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
12490
12491         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
12492         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
12493         intrinsics.
12494
12495 2005-02-12  Ira Rosen  <irar@il.ibm.com>
12496
12497         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
12498         to base_address.
12499         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
12500         stmt_vec_info.
12501         (vect_get_base_and_offset): Always return an address.
12502         (vect_create_addr_base_for_vector_ref): Remove treatment for
12503         different data reference types.
12504         (vect_compute_data_ref_alignment): Rename base to base_address in
12505         stmt_vec_info. Get the object in order to force its alignment.
12506         (vect_get_memtag_and_dr): Rename base to base_address in
12507         stmt_vec_info. Extract the object for memtag analysis.
12508
12509 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
12510
12511         PR regression/19898.
12512         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
12513         changes cc_status, use apply modified_in_p to part of cc_status
12514         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
12515         body.
12516
12517 2005-02-11  Richard Henderson  <rth@redhat.com>
12518
12519         * tree-complex.c (expand_complex_libcall): New.
12520         (expand_complex_multiplication): Use it for c99 compliance.
12521         (expand_complex_division): Likewise.
12522         * fold-const.c (fold_complex_add, fold_complex_mult): New.
12523         (fold): Call them.
12524         * builtins.c (built_in_names): Remove const.
12525         * tree.c (build_common_builtin_nodes): Build complex arithmetic
12526         builtins.
12527         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
12528         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
12529         (built_in_names): Remove const.
12530         * c-common.c (c_common_type_for_mode): Handle complex modes.
12531         * flags.h, toplev.c (flag_complex_method): Rename from
12532         flag_complex_divide_method.
12533         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
12534         __mulsc3, __muldc3, __mulxc3, __multc3): New.
12535         * libgcc2.h: Declare them.
12536         * libgcc-std.ver: Export them.
12537         * mklibgcc.in (lib2funcs): Build them.
12538
12539 2005-02-11  Steven Bosscher  <stevenb@suse.de>
12540
12541         PR tree-optimization/19876
12542         Partially revert my change from 2005-01-14
12543         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
12544         (compute_antic): ...and remove the loop here.
12545
12546 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
12547
12548         PR middle-end/19858
12549         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
12550         is number of inner's bits, avoid creating a BIT_FIELD_REF.
12551
12552         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
12553         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
12554
12555 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
12556
12557         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
12558         offsets for the big-endian 32-bit case.
12559
12560 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
12561
12562         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
12563
12564 2005-02-11  Dale Johannesen  <dalej@apple.com>
12565
12566         * cselib.c (cselib_process_insn):  Clear out regs where
12567         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
12568         * reload.c (find_equiv_reg): Ditto.
12569
12570 2005-02-11  Ian Lance Taylor  <ian@airs.com>
12571
12572         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
12573         with no elements.
12574
12575         * tree.c (build_function_type_list): Work correctly if there are
12576         no arguments.
12577
12578 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
12579
12580         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
12581         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
12582         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
12583         TARGET_ZARCH instead of TARGET_64BIT.
12584
12585 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
12586
12587         * config/rs6000/t-rtems:
12588         (MULTILIB_OPTIONS): Remove mcpu=602.
12589         (MUTLILIB_DIRNAMES): Remove m602.
12590         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
12591         Let mcpu=602 match mcpu=603.
12592         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
12593
12594 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12595
12596         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
12597         signal trampolines.
12598
12599 2005-02-10  David Daney  <ddaney@avtrex.com>
12600
12601         * config/alpha/linux-unwind.h: Add exception clause to copyright.
12602         * config/i386/linux-unwind.h: Likewise.
12603         * config/ia64/linux-unwind.h: Likewise.
12604         * config/mips/linux-unwind.h: Likewise.
12605         * config/pa/linux-unwind.h: Likewise.
12606         * config/rs6000/linux-unwind.h: Likewise.
12607         * config/s390/linux-unwind.h: Likewise.
12608         * config/sh/linux-unwind.h: Likewise.
12609         * config/sparc/linux-unwind.h: Likewise.
12610
12611 2005-02-10  Steven Bosscher  <stevenb@suse.de>
12612
12613         PR tree-optimization/17549
12614         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
12615         TER to replace a DEF with its expression if the DEF and the
12616         rhs of the expression we replace into have the same root
12617         variable.
12618
12619 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
12620
12621         * config/mips/mips.md: Fix the placement of the match_scratch in the
12622         lea64 peephole2.
12623
12624 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
12625
12626         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
12627         Fix comment typos.
12628
12629 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
12630
12631         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
12632         (strip_offset): Handle addresses.
12633         (add_address_candidates): Use strip_offset.
12634         (difference_cost): Reflect strip_offset change.
12635         (force_var_cost, difference_cost): Strip nops.
12636
12637 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
12638
12639         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
12640
12641         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
12642         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
12643         config/cris/cris-protos.h, config/cris/cris.c: Update
12644         copyright.
12645
12646 2005-02-10  Jeff Law  <law@redhat.com>
12647
12648         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
12649         (lookup_avail_expr): Similarly.
12650
12651 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
12652
12653         * builtins.c (fold_builtin_powi): New function.
12654         (fold_builtin_1): Call it.
12655
12656 2005-02-10  Steven Bosscher  <stevenb@suse.de>
12657
12658         PR documentation/19309
12659         * doc/cpp.texi: The __GNUC__ and related predefined macros
12660         are also defined for the "standalone" cpp.
12661         Some non-GCC compilers may also define __GNUC__.
12662
12663 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
12664
12665         PR c/19342
12666         * c-typeck.c (common_type): New routine.  Old common_type renamed
12667         to...
12668         (c_common_type): ...this.
12669         (build_conditional_expr, build_binary_op): Use c_common_type instead
12670         of common_type.
12671
12672 2005-02-10  Steven Bosscher  <stevenb@suse.de>
12673
12674         * doc/md.texi: Replace @samp{length} with @code{length}.
12675
12676 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
12677
12678         PR tree-optimization/18687
12679         * tree-flow.h (find_loop_niter): Declare.
12680         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
12681         Try using scev even for loops with more than one exit.
12682         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
12683         (struct ivopts_data): Added niters field.
12684         (struct nfe_cache_elt): New.
12685         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
12686         functions.
12687         (tree_ssa_iv_optimize_init): Initialize niters cache.
12688         (determine_number_of_iterations): Removed.
12689         (find_induction_variables): Do not call determine_number_of_iterations.
12690         Access niters for single exit through niter_for_single_dom_exit.
12691         (add_iv_outer_candidates): Access niters for single exit through
12692         niter_for_single_dom_exit.
12693         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
12694         number_of_iterations_cond.
12695         (iv_period): New function.
12696         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
12697         (may_replace_final_value): Take data argument.  Use
12698         niter_for_single_dom_exit.
12699         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
12700         (rewrite_use_compare): Pass data to may_eliminate_iv.
12701         (rewrite_use_outer): Pass data to may_replace_final_value.
12702         (free_loop_data): Clean up the niters cache.
12703         (tree_ssa_iv_optimize_finalize): Free the niters cache.
12704         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
12705         * tree-ssa-loop-niter.c (find_loop_niter): New function.
12706         (find_loop_niter_by_eval): Use tree_int_cst_lt.
12707         (num_ending_zeros): Moved to tree.c.
12708         * tree.h (num_ending_zeros): Declare.
12709         * tree.c (num_ending_zeros): Moved from tree.c.
12710
12711 2005-02-09  Richard Henderson  <rth@redhat.com>
12712
12713         * builtins.c (DEF_BUILTIN): Add COND argument.
12714         * tree.h (DEF_BUILTIN): Likewise.
12715         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
12716         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
12717         match.
12718         (DEF_BUILTIN_STUB): New.
12719         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
12720         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
12721         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
12722         * c-common.c (DEF_BUILTIN): Add COND argument.
12723         * tree.c (local_define_builtin): New.
12724         (build_common_builtin_nodes): New.
12725
12726 2005-02-09  Roger Sayle  <roger@eyesopen.com>
12727
12728         * fold-const.c (fold_strip_sign_ops): New function to simplify a
12729         floating point expression ignoring the sign of the result.
12730         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
12731         (fold) <MULT_EXPR>: Use it to simplify x*x.
12732         * tree.h (fold_strip_sign_ops): Prototype here.
12733         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
12734         argument.  Use fold_strip_sign_ops to simplify the first argument.
12735         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
12736         first argument when the second argument is an even integer
12737         constant, but only with -funsafe_math_optimizations.
12738         (fold_builtin_1): Update call to fold_builtin_copysign.
12739
12740 2005-02-09  Ian Lance Taylor  <ian@airs.com>
12741
12742         PR middle-end/19583
12743         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
12744         just check whether EH_FILTER_FAILURE falls through.
12745
12746 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
12747
12748         * gcc/haifa-sched.c (schedule_block): Make queued sched group
12749         insns return to ready list in the next turn.
12750
12751 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
12752
12753         PR middle-end/19402
12754         * builtins.def: New __builtin_powi[lf].
12755         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
12756         (expand_builtin_powi): New function.
12757         (expand_builtin): Dispatch to expand_builtin_powi.
12758         * libgcc2.h: Add prototypes for __builtin_powi[lf].
12759         * libgcc2.c: Add __builtin_powi[lf] implementation.
12760         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
12761         * optabs.h: Add powi_optab.
12762         * optabs.c (init_optabs): Initialize powi_optab.
12763         * doc/extend.texi: Document __builtin_powi[lf].
12764
12765 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
12766
12767         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
12768         exists.
12769
12770 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
12771
12772         PR middle-end/19854
12773         * fold-const.c (try_move_mult_to_index): Remove redundant
12774         type argument.  Create ADDR_EXPR with correct type.
12775         (fold): Update callers of try_move_mult_to_index.  Convert
12776         result to the appropriate type.
12777
12778 2005-02-09  Roger Sayle  <roger@eyesopen.com>
12779
12780         PR target/19597
12781         * config/avr/avr.c (default_rtx_costs): Delete.
12782         (avr_operand_rtx_cost): New function.
12783         (avr_rtx_costs): Completely rewrite.
12784
12785 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
12786
12787         PR target/19806
12788         * config/cris/cris.c (in_code): New variable.
12789         (cris_output_addr_const): Now a static function, a wrapper for
12790         output_addr_const.
12791         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
12792         case from old cris_output_addr_const.
12793         (cris_asm_output_label_ref): Similar for LABEL_REF.
12794         (cris_output_addr_const_extra): Similar for UNSPEC.
12795         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
12796         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
12797         * config/cris/cris-protos.h (cris_output_addr_const): Remove
12798         declaration.
12799         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
12800         (cris_asm_output_label_ref): Declare.
12801
12802 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
12803
12804         PR preprocessor/19801
12805         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
12806         filenames that changed when libcpp was moved to the toplevel.
12807
12808 2005-02-07  Roger Sayle  <roger@eyesopen.com>
12809
12810         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
12811         zero extensions of BImode operands.  Call lowpart_subreg instead
12812         of gen_lowpart_common and gen_lowpart_SUBREG.
12813
12814 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
12815
12816         PR ada/19489
12817         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
12818         * configure.ac: Set cc_for_cross_gnattools.
12819         * configure: Regenerate.
12820
12821 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
12822
12823         PR target/19803
12824         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
12825
12826 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
12827
12828         PR debug/19327
12829         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
12830         of nested functions.
12831
12832 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
12833
12834         * doc/extend.texi: Document deprecated extensions allowing
12835         static floating-point members to have initializers and allowing
12836         floating-point literals in integral constant expressions.
12837
12838 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
12839
12840         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
12841         config/darwin7.h, config/mips/mips.c,
12842         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
12843         Update copyright.
12844
12845         * cse.c: Update comments.
12846
12847 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
12848
12849         PR middle-end/19775
12850         * builtins.c (fold_builtin_sqrt): Transform
12851         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
12852         pow(x,y*0.5).
12853
12854 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
12855             Dorit Naishlos  <dorit@il.ibm.com>
12856
12857         * doc/invoke.texi (ftree-vectorizer-verbose): New.
12858         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
12859         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
12860         was added.
12861         * tree.h (vect_set_verbosity_level): New extern function declaration
12862         added.
12863         * tree-vectorizer.h (verbosity_levels): New enum type.
12864         * tree-vectorizer.c (vect_debug_stats): Function removed.
12865         (vect_debug_details): Likewise.
12866         (vect_verbosity_level): Global variable was defined and initialized.
12867         (vect_dump): Global variable definition.
12868         (vect_print_dump_info): New function.
12869         (vect_set_dump_settings): New function.
12870         (vect_set_verbosity_level): New function.
12871         (vectorize_loops): Add call to vect_set_dump_settings.
12872
12873         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
12874         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
12875         (slpeel_tree_peel_loop_to_edge): Likewise.
12876
12877         (vect_analyze_offset_expr): Call to vect_print_dump_info with
12878         appropriate verbosity level instead of call to vect_debug_details
12879         or vect_debug_stats.
12880         (vect_get_base_and_offset):
12881         (vect_create_addr_base_for_vector_ref):
12882         (get_vectype_for_scalar_type):
12883         (vect_create_data_ref_ptr):
12884         (vect_init_vector):
12885         (vect_get_vec_def_for_operand):
12886         (vect_finish_stmt_generation):
12887         (vectorizable_assignment):
12888         (vectorizable_operation):
12889         (vectorizable_store):
12890         (vectorizable_load):
12891         (vect_transform_stmt):
12892         (vect_update_ivs_after_vectorizer):
12893         (vect_do_peeling_for_loop_bound):
12894         (vect_update_inits_of_drs):
12895         (vect_do_peeling_for_alignment):
12896         (vect_transform_loop):
12897         (vect_is_simple_use):
12898         (vect_analyze_operations):
12899         (vect_is_simple_iv_evolution):
12900         (vect_analyze_scalar_cycles):
12901         (vect_analyze_data_ref_dependence):
12902         (vect_analyze_data_ref_dependences):
12903         (vect_compute_data_ref_alignment):
12904         (vect_enhance_data_refs_alignment):
12905         (vect_analyze_data_refs_alignment):
12906         (vect_analyze_data_ref_access):
12907         (vect_analyze_data_ref_accesses):
12908         (vect_analyze_pointer_ref_access):
12909         (vect_get_memtag_and_dr):
12910         (vect_analyze_data_refs):
12911         (vect_mark_relevant):
12912         (vect_stmt_relevant_p):
12913         (vect_mark_stmts_to_be_vectorized):
12914         (vect_can_advance_ivs_p):
12915         (vect_get_loop_niters):
12916         (vect_analyze_loop_form):
12917         (vect_analyze_loop):
12918         (vectorize_loops): Likewise.
12919
12920         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
12921         (vect_update_inits_of_drs):
12922         (vect_do_peeling_for_alignment):
12923         (vect_transform_loop):
12924         (vect_analyze_operations):
12925         (vect_analyze_scalar_cycles):
12926         (vect_analyze_data_ref_dependences):
12927         (vect_analyze_data_refs_alignment):
12928         (vect_analyze_data_ref_accesses):
12929         (vect_analyze_data_refs):
12930         (vect_mark_stmts_to_be_vectorized):
12931         (vect_get_loop_niters):
12932         (vect_analyze_loop_form):
12933         (vect_analyze_loop): Likewise.
12934         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
12935
12936 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
12937
12938         PR bootstrap/19796
12939         Revert:
12940         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
12941         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
12942         either -ffast-math or -funsafe-math-optimizations is in use.
12943
12944         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
12945         * config/mips/irix-csr.c: New file.
12946         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
12947         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
12948         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
12949         executables.
12950
12951 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
12952
12953         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
12954         redundant, incorrect definitions.
12955
12956         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
12957         expand.
12958         ("*tls_indirect_call"): New, reference hard regs directly.
12959         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
12960
12961 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
12962
12963         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
12964         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
12965
12966 2005-02-06  Roger Sayle  <roger@eyesopen.com>
12967
12968         PR rtl-optimization/19800
12969         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
12970         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
12971         gen_lowpart.
12972
12973 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
12974
12975         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
12976
12977 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
12978
12979         PR other/17135
12980         * doc/invoke.texi: Correct documentation of -freorder-functions.
12981
12982 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
12983
12984         PR other/14402
12985         * doc/invoke.texi: Don't mention gccbug.
12986
12987 2005-02-06  Roger Sayle  <roger@eyesopen.com>
12988             Andrew Pinski  <pinskia@physics.uc.edu>
12989             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
12990
12991         * simplify-rtx.c (simplify_relational_operation_1): Simplify
12992         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
12993         into just (zero_extract:SI FOO (const_int 1) BAR).
12994
12995 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
12996
12997         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
12998         macro locally.  Don't give last revision date.  Use GCC version
12999         number from gcc-common.texi.
13000         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
13001         revision date.  Use GCC version number from gcc-common.texi.
13002         Describe being a library as current state rather than as 3.x
13003         history.
13004         * doc/gcc.texi: Remove last update date.
13005         * doc/gccint.texi: Likewise.  Update copyright dates.
13006         * doc/install.texi: Update copyright dates.
13007
13008 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
13009
13010         PR other/7549
13011         * doc/invoke.texi: Mention for each option included in -Wall that
13012         it is included in -Wall.
13013         * doc/gcc.texi: Update copyright and last modification date.
13014
13015 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
13016
13017         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
13018         unnecessary cast to original induction variable increments.
13019
13020 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
13021
13022         PR tree-optimization/18219
13023         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
13024         in distributed form.
13025
13026 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
13027
13028         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
13029         Set bitpos and offset later in the function.  Do nothing if the
13030         target is a register and if the bitfield lies completely outside
13031         that register.
13032         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
13033         here.  Return an uninitialised register if the source value is stored
13034         in a register and the bitfield lies completely outside that register.
13035
13036 2005-02-06  Steven Bosscher  <stevenb@suse.de>
13037
13038         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
13039         not SET_DEST.
13040
13041 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
13042
13043         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
13044
13045 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
13046
13047         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
13048         * config/darwin8.h: New.
13049         * config/darwin7.h: Update comment.
13050
13051 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
13052             Dorit Naishlos  <dorit@il.ibm.com>
13053
13054         * tree-vectorizer.h (LOC): New type.
13055         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
13056         (loop_line_number): New field in struct _loop_vec_info.
13057         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
13058
13059         * tree-vectorizer.c (input.h): Included.
13060         (find_loop_location): New function.
13061         (vect_debug_stats): Argument changed from loop to LOC. Computation of
13062         loop line number removed.
13063         (vect_debug_details): Likewise.
13064         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
13065
13066         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
13067         call to vect_debug_details/stats changed from loop to loop_loc.
13068         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
13069         (slpeel_tree_peel_loop_to_edge): Likewise.
13070
13071         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
13072         changed from NULL to UNKNOWN_LOC.
13073         (vect_get_base_and_offset):
13074         (vect_create_addr_base_for_vector_ref):
13075         (get_vectype_for_scalar_type):
13076         (vect_create_data_ref_ptr):
13077         (vect_init_vector):
13078         (vect_get_vec_def_for_operand):
13079         (vect_finish_stmt_generation):
13080         (vectorizable_assignment):
13081         (vectorizable_operation):
13082         (vectorizable_store):
13083         (vectorizable_load):
13084         (vect_transform_stmt):
13085         (vect_update_ivs_after_vectorizer):
13086         (vect_do_peeling_for_loop_bound):
13087         (vect_do_peeling_for_alignment):
13088         (vect_transform_loop):
13089         (vect_is_simple_use):
13090         (vect_analyze_operations):
13091         (vect_is_simple_iv_evolution):
13092         (vect_analyze_scalar_cycles):
13093         (vect_analyze_data_ref_dependences):
13094         (vect_compute_data_ref_alignment):
13095         (vect_enhance_data_refs_alignment):
13096         (vect_analyze_data_ref_access):
13097         (vect_analyze_data_ref_accesses):
13098         (vect_analyze_pointer_ref_access):
13099         (vect_get_memtag_and_dr):
13100         (vect_analyze_data_refs):
13101         (vect_mark_relevant):
13102         (vect_stmt_relevant_p):
13103         (vect_mark_stmts_to_be_vectorized):
13104         (vect_can_advance_ivs_p):
13105         (vect_get_loop_niters):
13106         (vect_analyze_loop):
13107         (vectorize_loops): Likewise.
13108
13109         (vectorizable_load): Argument in call to vect_debug_details/stats
13110         changed from loop to LOOP_LOC (loop_vinfo).
13111         (vect_transform_loop):
13112         (vect_analyze_operations):
13113         (vect_analyze_scalar_cycles):
13114         (vect_analyze_data_ref_dependence):
13115         (vect_enhance_data_refs_alignment):
13116         (vect_analyze_data_ref_accesses):
13117         (vect_analyze_pointer_ref_access):
13118         (vect_analyze_data_refs):
13119         (vect_analyze_loop): Likewise.
13120
13121         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
13122         changed from loop to loop_loc.
13123
13124         (vect_enhance_data_refs_alignment): Removed unused variable loop.
13125
13126 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
13127             Dorit Naishlos  <dorit@il.ibm.com>
13128
13129         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
13130         declaration added.
13131         (vect_analyze_data_ref_dependences): Likewise.
13132
13133         (vect_is_simple_use): Argument changed from loop structure to
13134         loop_vect_info structure.
13135         (vect_can_advance_ivs_p): Likewise.
13136         (vect_create_index_for_vector_ref): Likewise.
13137         (vect_update_ivs_after_vectorizer): Likewise.
13138         (new_stmt_vec_info): Likewise.
13139
13140         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
13141         changed from loop to loop_vinfo.
13142         (vect_create_data_ref_ptr): First argument in call to
13143         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
13144         (vectorizable_assignment): Second argument in call to vect_is_simple_use
13145         was changed from loop to loop_vinfo.
13146         (vectorizable_operation): Likewise.
13147         (vectorizable_store): Likewise.
13148         (vect_mark_stmts_to_be_vectorized): Likewise.
13149         (vect_do_peeling_for_loop_bound): First argument in call to
13150         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
13151         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
13152         was changed from loop to loop_vinfo.
13153         (vect_analyze_data_ref_dependences): Third argument in call to
13154         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
13155
13156         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
13157         (vect_create_data_ref_ptr): Likewise.
13158         (vect_init_vector): Likewise.
13159         (vect_get_vec_def_for_operand): Likewise.
13160         (vectorizable_assignment): Likewise.
13161         (vectorizable_operation): Likewise.
13162         (vectorizable_store): Likewise.
13163         (vectorizable_load): Likewise.
13164         (vect_update_ivs_after_vectorizer): Likewise.
13165         (vect_is_simple_use): Likewise.
13166         (vect_analyze_data_ref_dependence): Likewise.
13167         (vect_analyze_pointer_ref_access): Likewise.
13168         (vect_can_advance_ivs_p): Likewise.
13169
13170         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
13171         before _stmt_vec_info.
13172         (_stmt_vec_info): Loop field replaced by loop_vec_info.
13173         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
13174         (new_stmt_vec_info): Argument changed from loop structure to
13175         loop_vect_info structure
13176
13177         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
13178         (vect_analyze_offset_expr): Avoid 80 columns overflow.
13179         (vect_create_addr_base_for_vector_ref): Likewise.
13180         (vect_analyze_pointer_ref_access): Likewise.
13181
13182 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
13183
13184         PR tree-opt/19768
13185         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
13186         phi flag if the phi is abnormal.
13187
13188 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
13189
13190         PR tree-opt/19736
13191         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
13192         information for the new statement.
13193
13194 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
13195
13196         PR driver/19117
13197         * gcc.c (main): Include the target in -v output.
13198
13199 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
13200
13201         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
13202         Do not drop the extend if we'd have to add a paradoxical subreg
13203         later.  Include optabs.h and insn-codes.h.
13204         * Makefile.in (combine.o): Depend on $(OPTABS_H).
13205
13206 2005-02-02  Roger Sayle  <roger@eyesopen.com>
13207
13208         PR middle-end/19405
13209         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
13210         * fold-const.c (const_binop): Avoid constant folding floating
13211         point operations in modes that use composite representations.
13212         * simplify-rtx.c (simplify_binary_operation): Likewise.
13213
13214 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
13215
13216         * config/rs6000/altivec.md (altivec_dst): Make the first operand
13217         a REG, not a MEM.
13218         (altivec_dstt): Likewise.
13219         (altivec_dstst): Likewise.
13220         (altivec_dststt): Likewise.
13221         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
13222         of first operand.
13223
13224 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
13225
13226         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
13227         EXPR_LOCUS from orig_cond to the new cond_stmt.
13228         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
13229         the new vec_stmt.
13230
13231 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
13232
13233         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
13234         standard_iv_increment_position. Remove call to bsi_next
13235         (no need to bump the iterator anymore).
13236         (vect_create_index_for_vector_ref): Call
13237         standard_iv_increment_position. Remove second function argument.
13238         (vect_finish_stmt_generation): Remove call to bsi_next
13239         (no need to bump the iterator anymore).
13240         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
13241         to vect_create_index_for_vector_ref.
13242
13243 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
13244
13245         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
13246         phis are used out of the loop.
13247
13248 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
13249
13250         PR c/17807
13251         * c-decl.c (undef_nested_function): New variable.
13252         (pop_scope): Diagnose undefined nested functions.
13253         (finish_function): Don't attempt cgraph processing or genericizing
13254         if current top-level function contained an undefined nested
13255         function.  Reset undef_nested_function at the end of a top-level
13256         function.
13257
13258 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
13259
13260         * tree.c (build_int_cst_type): Take sign of the value into account
13261         when deciding whether sign extend the value.
13262
13263 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
13264
13265         PR c/18502
13266         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
13267         (cpp_options, cc1_options): Change %{std*&ansi} to
13268         %{std*&ansi&trigraphs}.
13269
13270 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
13271
13272         * cse.c: Update comments.
13273
13274 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
13275
13276         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
13277         arguments go on the stack.  Do not put complex doubles in odd/even
13278         pairs.
13279
13280 2005-02-02  Steven Bosscher  <stevenb@suse.de>
13281
13282         * doc/invoke.texi: Update the options enabled at -O1, -O2,
13283         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
13284         -ftree-pre, and -fthread-jumps.
13285
13286 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
13287
13288         PR tree-optimization/19578
13289         * tree-flow.h (modified_noreturn_calls): Declare.
13290         (noreturn_call_p): Declare.
13291         * tree-flow-inline.h (noreturn_call_p): New function.
13292         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
13293         * tree-cfg.c (modified_noreturn_calls): New variable.
13294         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
13295         that contain a mid-block noreturn call.
13296         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
13297
13298 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
13299
13300         * df.c (df_def_record_1, df_uses_record): Don't use
13301         DF_FOR_REGALLOC.
13302         * df.h (DF_FOR_REGALLOC): Remove.
13303
13304 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
13305
13306         PR c/19435
13307         * c-typeck.c (really_start_incremental_init): Reset
13308         constructor_max_index for arrays of incomplete type.
13309
13310 2005-02-02  Jeff Law  <law@redhat.com>
13311
13312         * gcse.c (struct reg_set): Store the block index where the register
13313         was set rather than the setting insn.
13314         (record_one_set, compute_transp): Corresponding changes.
13315         (pre_insert_copy_insn): Do not call replace_one_set.
13316         (replace_one_set): Remove.
13317
13318 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
13319
13320         PR other/15514
13321         * doc/gcov.texi: Fix typo.
13322
13323 2005-02-01  Richard Henderson  <rth@redhat.com
13324
13325         PR target/19680
13326         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
13327         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
13328         type to bool.
13329         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
13330         * config/i386/i386-protos.h: Update.
13331
13332 2005-02-01  Steven Bosscher  <stevenb@suse.de>
13333
13334         PR tree-optimization/19217
13335         * tree-cfg.c (verify_expr): Use the data field to see if TP was
13336         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
13337         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
13338         that it is walking a PHI node.
13339
13340 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
13341
13342         * doc/extend.texi (Nested Functions): Update.
13343
13344 2005-02-01  Richard Henderson  <rth@redhat.com>
13345
13346         PR 19696
13347         * optabs.c (expand_copysign_absneg): Export.
13348         * optabs.h (expand_copysign_absneg): Declare.
13349         * config/rs6000/rs6000.md (copysigntf3): New.
13350
13351 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
13352
13353         PR tree-optimization/19633
13354         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
13355         * tree-ssa-alias.c (init_alias_info): Initialize.
13356         (merge_pointed_to_info): Set.
13357         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
13358         (dump_points_to_info_for): Show value of pt_null.
13359         (struct count_ptr_d): Declare.
13360         (find_ptr_dereference): Remove.
13361         (ptr_is_dereferenced_by): Remove.
13362         (count_ptr_derefs): New local function.
13363         (count_uses_and_derefs): New local function.
13364         (compute_points_to_and_addr_escape): Call it.  If the number
13365         of dereferences is greater than zero, mark the pointer as
13366         dereferenced.  If there are fewer dereferences than uses of
13367         the pointer, the pointer's value escapes.
13368
13369 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
13370
13371         PR tree-optimization/19670
13372         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
13373         here...
13374         (verify_use): ... set it here, instead.
13375
13376 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
13377
13378         * doc/sourcebuild.texi (Test directives): Fix formatting.
13379
13380         * doc/sourcebuild.texi (Test directives): Describe selector
13381         expressions.
13382
13383 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
13384
13385         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
13386         specific 64-bit CPUs.
13387
13388 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
13389
13390         PR target/16201
13391         * arm.c (arm_eliminable_register): New function.
13392         (adjacent_mem_locations): Don't allow eliminable registers.  Use
13393         HOST_WIDE_INT for address offsets.
13394         * arm-protos.h (arm_eliminable_register): Add prototype.
13395
13396 2005-02-01  Steven Bosscher  <stevenb@suse.de>
13397
13398         PR optimization/15242
13399         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
13400         * basic-block.h (duplicate_computed_gotos): Add prototype.
13401         * bb-reorder.c (duplicate_computed_gotos): New function to
13402         duplicate sufficiently small blocks ending in a computed jump.
13403         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
13404         if not optimizing for size.
13405         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
13406         never do tail merging for blocks ending in a computed jump.
13407         * doc/invoke.texi: Document the max-goto-duplication-insns param.
13408
13409 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
13410
13411         Patch from Richard Sandiford <rsandifo@redhat.com>
13412         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
13413         from inheriting a subreg equivalence with a non-spill register.
13414
13415         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
13416
13417 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
13418
13419         * config/frv/frv.c (movcc_fp_destination_operand): New.
13420         (gpr_or_memory_operand): Fix typo in comment.
13421         (gpr_or_memory_operand_with_scratch): New.
13422         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
13423         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
13424         movcc_fp_destination_operand.
13425         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
13426         Legitimize memory addresses using a scratch register.
13427
13428 2005-01-31  Jeff Law  <law@redhat.com>
13429
13430         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
13431         bitmap a sparse bitmap instead of a simple bitmap.
13432         (mark_def_sites_initialize_block):  Corresponding changes.
13433         (ssa_mark_def_sites_initialize_block): Likewise.
13434         (ssa_mark_phi_uses): Likewise.
13435         (mark_def_site, ssa_mark_def_sites): Likewise.
13436         (mark_def_site_blocks): Likewise.
13437         (rewrite_ssa_into_ssa): Likewise.
13438
13439         * tree-ssa-dom.c (record_cond): Pass correct variable type
13440         for last argument to htab_find_slot_with_hash.
13441
13442         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
13443         effects when optimizing 0 % X.  Do not try to optimize X % 0.
13444
13445 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
13446
13447         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
13448         1_mmalua.
13449
13450 2005-02-01  Eric Christopher  <echristo@redhat.com>
13451
13452         * config/mips/mips.c (override_options): Warn if -mint64
13453         is used.
13454         * doc/invoke.texi (MIPS Options): Document that -mint64 is
13455         deprecated.
13456
13457 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
13458
13459         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
13460         timestamp.
13461         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
13462         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
13463         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
13464         (cached_regno): Initialize to INVALID_REGNUM.
13465         (cse_reg_info_table_size,
13466         cse_reg_info_table_first_uninitialized,
13467         cse_reg_info_timestamp): New.
13468         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
13469         get_cse_reg_info.
13470         (init_cse_reg_info, get_cse_reg_info_1): New.
13471         (get_cse_reg_info): Cache the last look-up.
13472         (new_basic_block): Update the code to clear mappings from
13473         registers to cse_reg_info entries.
13474         (cse_main): Call init_cse_reg_info.
13475
13476         * cse.c (get_cse_reg_info): Update a comment.
13477
13478 2005-01-31  Steven Bosscher  <stevenb@suse.de>
13479
13480         PR c/19333
13481         * c-decl.c (start_decl): Do not warn about arrays of elements with
13482         an incomplete type here.
13483         (grokdeclarator): Do it here by making a pedwarn an error.
13484         * c-typeck.c (push_init_level): If there were previous errors with
13485         the constructor type, do not warn about braces for initializers.
13486         (process_init_element): Likewise for excess initializer elements.
13487
13488 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
13489
13490         * cse.c (delete_trivially_dead_insn): Don't iterate.
13491
13492 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
13493
13494         * config/rs6000/rs6000.md (copysignsf3): New expand.
13495         (copysigndf3): Likewise.
13496
13497 2005-01-31  Steven Bosscher  <stevenb@suse.de>
13498
13499         * recog.c (constrain_operands): Only look for earlyclobber operand
13500         conflicts if an '&' constraint was seen.
13501
13502 2005-01-31  Marc Espie <espie@openbsd.org>
13503
13504         * config.gcc: Don't include embedded systems fragment, switches default
13505         debugging format to ELF.
13506         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
13507         longer pick it up there.
13508
13509 2005-01-31  Dale Johannesen  <dalej@apple.com>
13510
13511         * doc/extend.texi (nested functions): Fix linkage description.
13512         Clarify that static is not allowed.
13513
13514 2005-01-31  Dale Johannesen  <dalej@apple.com>
13515
13516         * config/rs6000/darwin.md (movsf_low_di):  Make work.
13517         (movdf_low_di):  Make work.
13518
13519 2005-01-31  Dale Johannesen  <dalej@apple.com>
13520
13521         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
13522         Make work for 64 bit.
13523
13524 2005-01-31  Roger Sayle  <roger@eyesopen.com>
13525             Dale Johannesen  <dalej@apple.com>
13526
13527         PR middle-end/19650
13528         * fold-const.c (fold_binary_op_with_conditional_arg):
13529         Make types match original operands, before STRIP_NOPS.
13530
13531 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
13532
13533         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
13534         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
13535         (struct gcc_sigcontext): Delete.  Merge contents to..
13536         (struct gcc_ucontext): ..here.
13537         (get_sigcontext): Delete.
13538         (get_regs): New function, like get_sigcontext but return regs ptr.
13539         64-bit version finds regs from r1 to support vdso.
13540         (ppc_linux_aux_vector): New function.
13541         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
13542         and vector regs.
13543
13544 2005-01-31  Ira Rosen  <irar@il.ibm.com>
13545
13546         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
13547         sizetype.
13548         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
13549         redundant fold. Fix misalignment for MINUS_EXPR.
13550         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
13551         (vect_analyze_pointer_ref_access): Likewise.
13552         (vect_get_memtag_and_dr): Likewise.
13553
13554 2005-01-31  Richard Henderson  <rth@redhat.com>
13555
13556         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
13557         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
13558         absnegdf2_i387, absnegxf2_i387): Likewise.
13559
13560 2005-01-31  Richard Henderson  <rth@redhat.com>
13561
13562         PR 19696
13563         * optabs.c (expand_copysign_absneg): New.
13564         (expand_copysign_bit): Split out from ...
13565         (expand_copysign): ... here.  Use expand_copysign_absneg.
13566
13567 2005-01-30  Roger Sayle  <roger@eyesopen.com>
13568
13569         PR middle-end/19697
13570         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
13571         constant as the second operand and a register as the third.
13572
13573 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
13574
13575         PR target/19704
13576         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
13577         that dllimport'd functions do not use all call-clobbered registers
13578         to pass parameters.
13579
13580 2005-01-30  Richard Henderson  <rth@redhat.com>
13581
13582         PR 19696
13583         * optabs.c (expand_absneg_bit): Split out from expand_unop and
13584         expand_abs_nojump and generalize.  Use operand_subword and
13585         emit_no_conflict_block.  Support large modes.
13586         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
13587         back to maximum.
13588         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
13589         negation to subtraction.
13590         (expand_copysign): Check that the format has signed zeros.
13591         Use operand_subword and emit_no_conflict_block.  Support large modes.
13592
13593 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
13594
13595         Fix PR tree-optimization/19624
13596
13597         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
13598         * tree-ssa-pre.c: Add cfgloop.h.
13599         Update comment.
13600         (pre_stats): New member, constified.
13601         (inserted_exprs): New static variable.
13602         (NECESSARY): New macro.
13603         (create_expression_by_pieces): Fold the expression, and
13604         mark it as defaulting to not necessary. Also put in
13605         inserted_exprs.
13606         (fully_constant_expression): New function.
13607         (insert_into_preds_of_block): Modify to not insert phis when we
13608         are playing with induction variables.
13609         Push phis onto the inserted_exprs vector, and mark them as not
13610         necessary by default.
13611         (insert_aux): Call fully_constant_expression on eprime.
13612         If all edges produce the same value, mark it constant.
13613         (mark_operand_necessary): New function.
13614         (remove_dead_inserted_code): New function.
13615         (init_pre): Init loop optimizer to get loop info.
13616         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
13617         (execute_pre): Commit edge inserts, then remove dead code.
13618
13619 2005-01-30  Richard Henderson  <rth@redhat.com>
13620
13621         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
13622         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
13623
13624 2005-01-30  Richard Henderson  <rth@redhat.com>
13625
13626         PR target/19700
13627         * config/i386/i386.c (ix86_expand_copysign): New.
13628         (ix86_split_copysign_const): New.
13629         (ix86_split_copysign_var): Rename from ix86_split_copysign,
13630         rearrange op1/nmask operands.
13631         * config/i386/i386-protos.h: Update.
13632         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
13633         (copysigndf3): Likewise.
13634         (copysignsf3_const, copysigndf3_const): New.
13635         (copysignsf3_var): Rename from copysignsf3, split out splitter
13636         and fix split predicate for X constraint.
13637         (copysigndf3_var): Similarly.
13638
13639 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
13640
13641         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
13642         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
13643         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
13644
13645 2005-01-29  Richard Henderson  <rth@redhat.com>
13646
13647         PR target/19690
13648         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
13649         of # and * in constraints.
13650
13651 2005-01-29  Richard Henderson  <rth@redhat.com>
13652
13653         PR middle-end/19689
13654         * expr.c (store_field): Don't strip sub-mode cast when the input
13655         data is even smaller.
13656
13657 2005-01-29  Richard Henderson  <rth@redhat.com>
13658
13659         PR middle-end/19687
13660         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
13661         union being empty.
13662
13663 2005-01-29  Richard Henderson  <rth@redhat.com>
13664
13665         * combine.c (make_field_assignment): Fix argument order
13666         to gen_int_mode.
13667
13668 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
13669
13670         PR tree-optimization/15791
13671         * fold-const.c (extract_array_ref): New function.
13672         (fold): Fold comparisons between &a[i] and &a[j] or
13673         semantically equivalent trees.
13674
13675 2005-01-29  Jeff Law  <law@redhat.com>
13676
13677         * gcse.c (insert_expr_in_table): Revamp handling of available
13678         and anticipatable occurrence lists to avoid unnecessary list
13679         walking.
13680         (insert_set_in_table): Similarly.
13681
13682 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
13683
13684         * c-common.c (fix_string_type): Just use c_build_qualified_type to
13685         build string type.
13686         (c_build_qualified_type): Build qualified array types with
13687         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
13688         * c-decl.c (c_make_fname_decl): Build unqualified array type
13689         before qualified type.
13690         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
13691         type is qualified, not just if type itself is.  Don't apply
13692         qualifiers to array type when declarator is processed.  Apply
13693         qualifiers to field type whether or not it is an array type.
13694         Don't handle array types specially for applying qualifiers to
13695         variables.
13696         * c-typeck.c (composite_type): Build unqualified element type and
13697         array type when forming composite of array types.
13698         (common_pointer_type, comptypes, comp_target_types,
13699         type_lists_compatible_p, build_indirect_ref, build_array_ref,
13700         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
13701         types.
13702         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
13703         (args2) in variables a1 and a2.
13704
13705 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
13706
13707         * cse.c (n_elements_made, max_elements_made): Remove.
13708         (insert): Don't touch n_elements_made.
13709         (cse_main): Don't touch n_elements_made or max_elements_made.
13710
13711 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
13712
13713         PR target/15384
13714         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
13715         configuration part of dp-bit.c to be lost.
13716
13717 2005-01-28  Roger Sayle  <roger@eyesopen.com>
13718
13719         * expmed.c (expand_mult_highpart_optab): When attempting to use
13720         a non-widening multiplication in a wider mode, the operands need
13721         to be converted (zero or sign extended) to that mode.
13722
13723 2005-01-28  Ian Lance Taylor  <ian@airs.com>
13724
13725         PR middle-end/16558
13726         PR middle-end/19583
13727         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
13728         through if both operands fall through.
13729
13730 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
13731
13732         * cse.c (fold_rtx) <PC>: Don't optimize.
13733
13734 2005-01-28  Jeff Law  <law@redhat.com>
13735
13736         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
13737         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
13738
13739 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
13740
13741         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
13742         cse_reg_info_used_list_end): Remove.
13743         (cse_reg_info_list, cse_reg_info_list_free): New.
13744         (get_cse_reg_info): When allocating an instance of
13745         cse_reg_info, add it to the beginning of the cse_reg_info_list
13746         list.  Remove code to maintain cse_reg_info_used_list.
13747         (new_basic_block): Reset the free list to the beginning of
13748         cse_reg_info_list.
13749
13750 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
13751
13752         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
13753         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
13754         (frv_expand_mdpackh_builtin): New function.
13755         (frv_expand_builtin): Use it to expand __MDPACKH.
13756         * doc/extend.texi (__MDPACKH): Update documentation.
13757
13758 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
13759
13760         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
13761         SSE_FLOAT_MODE_P for use_sse computation.
13762
13763 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
13764
13765         PR target/19663
13766         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
13767
13768 2005-01-27  Richard Henderson  <rth@redhat.com>
13769
13770         * builtins.c (expand_builtin_copysign): New.
13771         (expand_builtin): Call it.
13772         * genopinit.c (optabs): Add copysign_optab.
13773         * optabs.c (init_optabs): Initialize it.
13774         (expand_copysign): New.
13775         * optabs.h (OTI_copysign, copysign_optab): New.
13776         (expand_copysign): Declare.
13777
13778         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
13779         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
13780
13781         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
13782         (ix86_expand_fp_absneg_operator): ... here.
13783         (ix86_split_copysign): New.
13784         * config/i386/i386-protos.h: Update.
13785         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
13786         (copysignsf3, copysigndf3): New.
13787
13788         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
13789         (copysignsf3, ncopysignsf3): New.
13790         (copysigndf3, ncopysigndf3): New.
13791         (copysignxf3, ncopysignxf3): New.
13792         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
13793
13794 2005-01-27  Arend Bayer  <arend.bayer@web.de>
13795             Kazu Hirata  <kazu@cs.umass.edu>
13796
13797         * cse.c: (find_best_addr): Don't call copy_rtx before calling
13798         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
13799         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
13800         NULL_RTX.
13801
13802 2005-01-27  Jeff Law  <law@redhat.com>
13803
13804         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
13805         definitions of SSA_NAMEs which are not being rewritten.
13806         (rewrite_ssa_into_ssa): Only initialize the current definition
13807         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
13808         If checking is enabled, assert that SSA_NAME_AUX is clear for all
13809         SSA_NAMEs before returning.
13810
13811 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
13812
13813         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
13814         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
13815         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
13816         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
13817         config/mips/iris6.h, config/sh/sh.c: Update copyright.
13818
13819 2005-01-27  Steven Bosscher  <stevenb@suse.de>
13820
13821         PR middle-end/17278
13822         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
13823         higher to -O2 and higher.  Likewise for tree PRE.
13824         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
13825         and better.
13826
13827 2005-01-27  Ian Lance Taylor  <ian@airs.com>
13828
13829         PR middle-end/19583
13830         * gimple-low.c (try_catch_may_fallthru): New static function.
13831         (block_may_fallthru): Handle TRY_CATCH_EXPR.
13832         * tree-inline.c (expand_call_inline): Don't warn about reaching
13833         the end of a non-void function being inlined if the function uses
13834         a return slot.
13835
13836 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
13837
13838         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
13839
13840         PR c/18946
13841         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
13842         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
13843         (implicitly_declare): Handle error_mark_node.
13844
13845 2005-01-27  Richard Henderson  <rth@redhat.com>
13846
13847         PR tree-opt/14329
13848         * tree.h (struct tree_decl): Add debug_expr_is_from.
13849         (DECL_DEBUG_EXPR_IS_FROM): New.
13850         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
13851         * dwarf2out.c (dwarf2out_var_location): Update to match.
13852         * tree-outof-ssa.c (create_temp): Likewise.
13853         * var-tracking.c (track_expr_p): Likewise.
13854         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
13855         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
13856         * toplev.c (default_tree_printer): Likewise.
13857
13858 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
13859
13860         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
13861         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
13862
13863 2005-01-27  Steven Bosscher  <stevenb@suse.de>
13864
13865         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
13866         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
13867         ASM_CLOBBERS): Add tree checks.
13868
13869         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
13870         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
13871         * c-common.def (SWITCH_STMT): Update to match.
13872         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
13873         macros instead of SWITCH_EXPR ones.
13874         * c-dump.c (c_dump_tree): Likewise.
13875         * c-gimplify.c (gimplify_switch_stmt): Likewise.
13876         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
13877
13878         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
13879
13880 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
13881
13882         * unwind-dw2.c (execute_stack_op): Add missing cases for
13883         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
13884
13885 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
13886
13887         * config.gcc (Obsolete configurations): Remove 'dummy', add
13888         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
13889         sparc-*-openbsd*.
13890
13891 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
13892
13893         PR tree-optimization/19633
13894         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
13895         CALL_EXPRs.
13896         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
13897         are no call-clobbered variables.
13898         * tree-outof-ssa.c (check_replaceable): Return false for calls
13899         with side-effects.
13900
13901 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
13902
13903         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
13904         even for variables with NULL DECL_INITIAL.
13905
13906 2005-01-26  Stuart Hastings  <stuart@apple.com>
13907
13908         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
13909
13910 2005-01-26  Richard Henderson  <rth@redhat.com>
13911
13912         PR middle-end/18008
13913         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
13914         field's type.
13915         * expr.c (store_field): Strip conversions to odd-bit-sized types
13916         if the destination field width matches.
13917
13918 2005-01-26  Richard Henderson  <rth@redhat.com>
13919
13920         * c-decl.c, expmed.c, expr.c: Revert last change.
13921
13922 2005-01-26  Richard Henderson  <rth@redhat.com>
13923
13924         PR middle-end/18008
13925         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
13926         field's type.
13927         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
13928         if we don't need the bits above those present in the current mode.
13929         * expr.c (store_field): Strip conversions to odd-bit-sized types
13930         if the destination field width matches.
13931
13932 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
13933
13934         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
13935         either -ffast-math or -funsafe-math-optimizations is in use.
13936
13937 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
13938
13939         PR target/19293
13940         PR target/19329
13941         * config/avr/avr.c (notice_update_cc): Only set condition code for
13942         ashrqi3 if shift count > 0.
13943         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
13944         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
13945         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
13946         count <= 0 as a no-op, and shift count >= width by copying zero
13947         or sign bit to all bits of the result.
13948         * config/avr/avr.md (all shifts): Add alternatives for zero shift
13949         count, with attribute "length" set to 0 and "cc" set to "none".
13950
13951 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
13952
13953         * doc/invoke.texi: Document -mTLS.
13954
13955         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
13956         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
13957         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
13958         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
13959         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
13960         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
13961         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
13962         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
13963
13964         * configure.ac: Check for a TLS capable gas.
13965
13966         * configure: Regenerate.
13967
13968 2005-01-26  Richard Henderson  <rth@redhat.com>
13969
13970         PR middle-end/18008
13971         * combine.c (make_field_assignment): Simplify store to zero_extract
13972         from a source with an overlapping mask.
13973
13974 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
13975
13976         2004-11-11  Eric Christopher  <echristo@redhat.com>
13977
13978         * config/frv/frv.md: Add fr400_integer automaton. Don't
13979         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
13980         to TYPE_MACC.
13981
13982 2005-01-26  Steven Bosscher  <stevenb@suse.de>
13983
13984         PR middle-end/16585
13985         * cfgbuild.c (make_edges): Do not clear or set
13986         current_function_has_computed_jump.
13987         * function.h (struct function): Remove the has_computed_jump field.
13988         (current_function_has_computed_jump): Do not define.
13989         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
13990         in a computed jump.  Ignore current_function_has_computed_jump.
13991
13992 2005-01-26  Richard Henderson  <rth@redhat.com>
13993
13994         PR middle-end/19515
13995         * expr.c (categorize_ctor_elements): New argument p_must_clear.
13996         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
13997         fully initialized.
13998         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
13999         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
14000         objects into static storage if they have more than one non-zero value.
14001         * tree.h (categorize_ctor_elements): Update decl.
14002
14003 2005-01-26  Steven Bosscher  <stevenb@suse.de>
14004
14005         PR middle-end/19616
14006         * tree.h (CALL_EXPR_TAILCALL): Add comment.
14007         * calls.c (check_sibcall_argument_overlap_1): Revert the change
14008         to this function from 2004-07-10.
14009         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
14010         the current function for tail call optimizations if the address
14011         of one of it its arguments is taken.
14012
14013 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
14014
14015         * cse.c (fold_rtx): Call equiv_constant only when necessary.
14016
14017 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
14018
14019         * function.c (expand_function_end): If current_function_calls_alloca,
14020         emit stack restore in a place that is reached when the function falls
14021         through at the end.
14022
14023 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
14024
14025         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
14026         rule to avoid matching inappropriate suffix rule.
14027
14028 2005-01-26  Jan Hubicka  <jh@suse.cz>
14029
14030         PR tree-optimization/19241
14031         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
14032
14033 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
14034
14035         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
14036         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
14037         of doubling.
14038         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
14039         <sim*>: Always use crt1.o, regardless of N in simN.
14040         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
14041         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
14042         (CRT_CALL_STATIC_FUNCTION): Remove.
14043         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
14044         use crt1.o, regardless of N in simN.
14045         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
14046         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
14047         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
14048         case isystem setting.
14049         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
14050
14051 2005-01-25  Ian Lance Taylor  <ian@airs.com>
14052
14053         * gimple-low.c (block_may_fallthru): Correct handling of
14054         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
14055
14056 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
14057
14058         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
14059         handlers to match indentation; nested under the mtune=* handler.
14060         Similar for mcpu= and march=.
14061
14062 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
14063
14064         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
14065         * config/mips/linux64.h (LIB_SPEC): Likewise.
14066         * config/mn10300/linux.h (LIB_SPEC): Likewise.
14067         * config/sh/linux.h (LIB_SPEC): Likewise.
14068
14069 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
14070
14071         * config/frv/frv.c (frv_legitimize_tls_address): New.
14072         (TARGET_HAVE_TLS): Define.
14073         (FRV_SYMBOL_REF_TLS_P): Define.
14074         (frv_override_options): Handle new register classes.
14075         (frv_legitimate_address_p): Reject tls addresses.
14076         (frv_legitimize_address): Handle TLS addresses.
14077         (gen_inlined_tls_plt): New.
14078         (gen_tlsmoff): New.
14079         (frv_legitimize_tls_address): New.
14080         (unspec_got_name): Add TLS entries.
14081         (got12_operand): Add R_FRV_TLSMOFF12 case.
14082         (frv_emit_move): Fixup TLS addresses.
14083         (frv_emit_movsi): Legitimize TLS addresses.
14084
14085         * config/frv/frv.h (MASK_BIG_TLS): New.
14086         (TARGET_BIG_TLS): New.
14087         (HAVE_AS_TLS): Define.
14088         (TARGET_SWITCHES): Add -mTLS and -mtls options.
14089         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
14090         (REG_CLASS_NAMES): Same.
14091         (REG_CLASS_CONTENTS): Same.
14092         (CONSTRAINT_LEN): New.
14093         (REG_CLASS_FROM_CONSTRAINT): New.
14094         (PREDICATE_CODES): Add symbolic_operand.
14095
14096         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
14097         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
14098         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
14099         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
14100         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
14101         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
14102         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
14103         GR9_REG, GR14_REG, LRREG.
14104         (type): Add load_or_call attribute.
14105         ("load_or_call"): New reservation.
14106         ("call_gettlsoff"): New.
14107         ("tls_indirect_call"): New.
14108         ("tls_load_gottlsoff12"): New.
14109         ("tlsoff_hilo"): New.
14110         ("tls_tlsdesc_ldd"): New.
14111         ("tls_tlsoff_ld"): New.
14112         ("tls_lddi"): New.
14113
14114         * config/frv/frv-protos.h (symbolic_operand): Protoize.
14115
14116         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
14117
14118         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
14119         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
14120         * config/frv/frv.c (TLS_BIAS): Define.
14121         (frv_output_dwarf_dtprel): New.
14122
14123 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
14124
14125         PR rtl-optimization/19579
14126         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
14127         both A and B, see if they don't clobber registers the other expr uses.
14128
14129 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
14130
14131         * real.c (do_add): Initialize signalling and canonical members.
14132
14133         * real.c (real_from_integer): Zero out destination.
14134
14135 2005-01-18  Jan Hubicka  <jh@suse.cz>
14136
14137         PR tree-optimize/19337
14138         * tree-inline.c (initialize_inlined_parameters): Copy
14139         saved_static_chain_decl only.
14140
14141 2005-01-25  Richard Henderson  <rth@redhat.com>
14142
14143         PR target/19556
14144         PR target/19584
14145         * config/i386/i386.c (x86_inter_unit_moves): Zero.
14146         (ix86_preferred_reload_class): Rewrite fp-constant section, with
14147         80387 enabled, to return a proper subclass.  Return the subset that
14148         overlaps with GENERAL_REGS for PLUS.
14149         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
14150
14151 2005-01-25  Richard Henderson  <rth@redhat.com>
14152
14153         PR middle-end/19609
14154         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
14155
14156 2005-01-25  Roger Sayle  <roger@eyesopen.com>
14157
14158         * expmed.c (choose_multiplier): Change interface to return the
14159         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
14160         (expand_divmod): Update calls to choose_multiplier.
14161
14162 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14163
14164         PR middle-end/19330
14165         * expmed.c (extract_bit_field): Use adjust_address instead of
14166         gen_lowpart when op0 is a MEM.
14167
14168 2005-01-24  Steven Bosscher  <stevenb@suse.de>
14169
14170         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
14171
14172 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
14173
14174         * config/mips/irix-csr.c: New file.
14175         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
14176         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
14177         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
14178         executables.
14179
14180 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
14181
14182         PR bootstrap/19364
14183         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
14184         sparc/elf.h, add sparc/sp-elf.h.
14185         (sparc-*-rtems*): Likewise.
14186         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
14187         tm-dwarf2.h, add sparc/sp-elf.h.
14188         (sparc86x-*-elf): Likewise.
14189         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
14190         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
14191         TARGET_OS_CPP_BUILTINS.
14192         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
14193         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
14194         Undefine it.
14195         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
14196         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
14197         (SWITCH_TAKES_ARG): Likewise.
14198         (LOCAL_LABEL_PREFIX): Likewise.
14199         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
14200         (TARGET_N_FORMAT_TYPES): Delete.
14201         (TARGET_FORMAT_TYPES): Likewise.
14202         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14203         * config/sparc/elf.h: Delete.
14204         * config/sparc/sp-elf.h: New file.
14205
14206 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
14207
14208         * tree-flow-inline.h (phi_arg_from_edge): Remove.
14209         * tree-flow.h: Remove the corresponding prototype.
14210         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
14211         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
14212
14213 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
14214
14215         PR target/17751
14216         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
14217         for AIX ABI or ELF -fPIC.
14218         (rs6000_emit_load_toc_table): Don't create toc_section here.
14219         (rs6000_xcoff_file_start): Nor here.
14220
14221 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
14222
14223         * sh.c (ra.h): Don't #include.
14224         (hard_regs_intersect_p): New function, resurrected from ra.c.
14225
14226         * sh.c: Fix 1996 Copyright.
14227
14228 2005-01-24  Richard Henderson  <rth@redhat.com>
14229             Aldy Hernandez  <aldyh@redhat.com>
14230
14231         * regrename.c (note_sets): Handle subregs.
14232
14233 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
14234
14235         PR bootstrap/18058
14236         * genconditions.c (write_header, write_conditions): Elide file if
14237         not GCC >= 3.0.1.
14238
14239 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
14240
14241         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
14242         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
14243         Update copyright.
14244
14245 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
14246
14247         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
14248         expand_builtin_printf, expand_builtin_fprintf,
14249         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
14250         checking against POINTER_TYPE.
14251         (validate_arglist): Handle POINTER_TYPE code by checking
14252         POINTER_TYPE_P.
14253
14254 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
14255
14256         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
14257         init_rtlanal): New.
14258         (for_each_rtx): Call for_each_rtx_1.
14259         * rtl.h (init_rtlanal): Declare.
14260         * toplev.c (backend_init): Call init_rtlanal.
14261
14262 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
14263
14264         * flow.c (propagate_one_insn): Formatting.
14265
14266         PR middle-end/19551
14267         * flow.c (libcall_dead_p): Be more conservative if unsure.
14268         If there are any instructions between insn and call, see if they are
14269         all dead before saying the libcall is dead.
14270
14271 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
14272
14273         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
14274         operand constraint for operand 0.
14275
14276 2005-01-23  Richard Henderson  <rth@redhat.com>
14277
14278         PR 19486
14279         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
14280         edges leading to join block.
14281
14282 2005-01-23  Roger Sayle  <roger@eyesopen.com>
14283
14284         * expmed.c (expand_mult_highpart): Make static.  Change type of
14285         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
14286         (expand_divmod): Updates calls to expand_mult_highpart by using
14287         gen_int_mode to pass a CONST_INT rtx.
14288         * rtl.h (expand_mult_highpart): Remove prototype.
14289
14290 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
14291
14292         * flow.c (regset_bytes, regset_size): Remove.
14293
14294         * cfganal.c: Fix a reference to Harvey's paper.
14295
14296 2005-01-23  Steven Bosscher  <stevenb@suse.de>
14297
14298         PR rtl-optimization/19464
14299         * tree-optimize.c (init_tree_optimization_passes): Add one more
14300         copyrename pass just before out-of-ssa.
14301
14302 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
14303
14304         PR bootstrap/18058
14305         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
14306         * ggc-none.c (ggc_free): Define.
14307
14308 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
14309
14310         * cse.c (max_reg, max_insn_uid): Remove.
14311         (cse_main): Don't access max_reg or max_insn_uid.
14312
14313         * c-common.c (explicit_flag_signed_bitfields,
14314         lang_statement_code_p, lang_expand_function_end): Remove.
14315         * c-common.h: Remove the corresponding declarations.
14316         * c-opts.c (c_common_handle_option): Remove all write access
14317         to explicit_flag_signed_bitfields.
14318
14319         * cgraph.c (cgraph_varpool_n_nodes): Remove.
14320         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
14321         * cgraph.h: Remove the corresponding declaration.
14322
14323         * gcse.c (null_pointer_info): Remove.
14324
14325 2005-01-23  Roger Sayle  <roger@eyesopen.com>
14326             Eric Botcazou  <ebotcazou@libertysurf.fr>
14327
14328         * combine.c (simplify_logical): Only simplify logical expressions
14329         of the form ior(and(x,y),z) by the inverse distributive law if the
14330         result is cheaper than the original.
14331
14332 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
14333
14334         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
14335         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
14336         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
14337         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
14338         config/freebsd-spec.h, config/arm/arm.h,
14339         config/h8300/h8300.md, config/i386/i386.md,
14340         config/i386/predicates.md, config/i386/sse.md,
14341         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
14342         config/vax/vax.md: Fix comment typos.  Follow spelling
14343         conventions.
14344
14345 2005-01-23  Steven Bosscher  <stevenb@suse.de>
14346
14347         * gengtype.c (walk_type): Produce `not equal to' compares for loop
14348         tests, instead of `less than'.
14349
14350 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
14351
14352         * function.c (assign_parm_setup_block): When creating a new stack slot
14353         for a parameter, get its alignment from the parameter's DECL_ALIGN
14354         rather than the type's TYPE_ALIGN.  Make sure that the parameter
14355         is at least word aligned.
14356
14357 2005-01-22  Roger Sayle  <roger@eyesopen.com>
14358
14359         PR middle-end/19378
14360         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
14361
14362 2005-01-22  Richard Henderson  <rth@redhat.com>
14363
14364         PR target/19506
14365         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
14366         in both compare operands.
14367         (movdfcc_1_sse_max): Likewise.
14368         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
14369         (movdfcc_1_sse): Likewise.
14370         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
14371         scratch register as needed.
14372
14373 2005-01-22  Richard Henderson  <rth@redhat.com>
14374
14375         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
14376
14377         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
14378
14379 2005-01-22  Richard Henderson  <rth@redhat.com>
14380
14381         * genopinit.c (optabs): Use smin/smax for floating point too.
14382         * doc/md.texi: Update to match.  Clarify that floating point
14383         results are undefined for +0/-0 and NaN.
14384         * doc/rtl.texi: Likewise.
14385         * rtl.def (SMIN, SMAX): Likewise
14386         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
14387
14388         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
14389         leading 's' to the name.
14390         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
14391         smaxxf3, sminxf3): Likewise.
14392         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
14393         Likewise.
14394
14395 2005-01-22  Paul Brook  <paul@codesourcery.com>
14396
14397         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
14398
14399 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
14400
14401         * config/s390/s390.c (struct processor_costs): New fields
14402         dlgr, dlr, dr, dsgfr, dsgr.
14403         (z900_cost, z990_cost): Values for new fields.
14404         (s390_rtx_costs): New cases MEM und COMPARE in switch
14405         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
14406         DIV, MOD, UDIV, UMOD.
14407
14408 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
14409
14410         * config/s390/s390.md ("doloop_si64"): Reload input value directly
14411         into the register being decremented.
14412         ("doloop_si31", "doloop_di"): Likewise.
14413         ("*doloop_si_long"): Adapt pattern.
14414
14415 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
14416
14417         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
14418         access registers.
14419         (CLASS_MAX_NREGS): Likewise.
14420
14421 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
14422
14423         * doc/tree-ssa.texi (Statement Operands): Add example for new
14424         must-def macro. Note deprecation of old operands interface.
14425
14426 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
14427
14428         PR tree-optimization/19484
14429         * tree-cfg.c (remove_fallthru_edge): New function.
14430         (cleanup_control_flow): Remove fallthru edges from calls that are
14431         now known not to return.
14432
14433 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
14434
14435         Fix PR tree-optimization/19038
14436         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
14437         copies with loop variant ones.
14438
14439 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
14440
14441         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
14442         config/alpha/alpha-protos.h, config/alpha/alpha.h,
14443         config/alpha/alpha.md, config/alpha/predicates.md,
14444         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
14445         config/sparc/sol2.h: Update copyright.
14446
14447         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
14448         first label to see if it is a nonlocal label.
14449
14450 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
14451             Andrew Pinski  <pinskia@physics.uc.edu>
14452
14453         PR target/19491
14454         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
14455         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
14456
14457 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
14458
14459         * config/rs6000/rtems.h: Update copyright.
14460
14461 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
14462
14463         PR target/19548
14464         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
14465         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
14466         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
14467
14468 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
14469
14470         PR c/18809
14471         * c-typeck.c (convert_arguments): Check for error_mark_node.
14472
14473 2005-01-21  Ian Lance Taylor  <ian@airs.com>
14474
14475         PR tree-optimization/13000
14476         * tree-inline.c: Include "tree-flow.h".
14477         (expand_call_inline): If warn_return_type, warn if non-void inline
14478         function falls through.
14479         * tree-cfg.c (execute_warn_function_return): Don't warn about
14480         control reaching end if TREE_NO_WARNING is set.  Set
14481         TREE_NO_WARNING.
14482         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
14483         has been lowered.
14484         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
14485         branch if we don't need one.
14486         * c-typeck.c: Include "tree-flow.h"
14487         (c_finish_bc_stmt): Don't add a goto if the current statement
14488         list doesn't fall through to the current point.
14489
14490 2005-01-21  Roger Sayle  <roger@eyesopen.com>
14491
14492         PR rtl-optimization/576
14493         * real.c (real_arithmetic): Change return type from void to bool
14494         to return an indication that the result may be inexact.
14495         * real.h (real_arithmeric): Update prototype.
14496         * fold-const.c (const_binop):  Don't constant fold floating
14497         point expressions when the user specifies -frounding-math and
14498         the result may depend upon the run-time rounding mode.
14499         (fold_convert_const_real_from_real): Clean-up.
14500         (fold_initializer): Ignore flag_rounding_math for initializers.
14501         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
14502         constant fold FP operations with flag_rounding_math if the
14503         result may depend upon the run-time rounding mode.
14504
14505 2005-01-21  Tom Tromey  <tromey@redhat.com>
14506
14507         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
14508
14509 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
14510
14511         * tree-cfg.c: Fix comment typos.
14512
14513 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
14514
14515         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
14516         around the call to rest_of_handle_branch_target_load_optimize.
14517
14518 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
14519
14520         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
14521         (sparc64-*-openbsd*): Likewise.
14522         (sparclite-*-elf*): Include tm-dwarf2.h.
14523         (sparc86x-*-elf*): Likewise.
14524         (sparc64-*-elf*): Likewise.
14525         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
14526         (DBX_DEBUGGING_INFO): Likewise.
14527         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
14528         (PREFERRED_DEBUGGING_TYPE): Likewise.
14529         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
14530         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
14531         (PREFERRED_DEBUGGING_TYPE): Likewise.
14532         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
14533         (PREFERRED_DEBUGGING_TYPE): Likewise.
14534         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
14535
14536 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
14537
14538         PR target/18701
14539         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
14540
14541 2005-01-20  Paul Brook  <paul@codesourcery.com>
14542
14543         * doc/rtl.texi: Document value extension requirements for CONST_INT.
14544
14545 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
14546
14547         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
14548         label is first in a sequence of labels.
14549
14550         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
14551
14552 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
14553             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
14554
14555         * doc/sourcebuild.texi (Test Directives): New.
14556
14557 2005-01-20  Roger Sayle  <roger@eyesopen.com>
14558
14559         * real.c (real_floor): Don't leave the result uninitialized when
14560         mode is VOIDMode, but return the unrounded intermediate value.
14561         (real_ceil): Likewise.
14562
14563 2005-01-20  Paul Brook  <paul@codesourcery.com>
14564
14565         * config/arm/arm.md (insv): Use gen_int_mode.
14566
14567 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
14568
14569         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
14570         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
14571         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
14572         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
14573         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
14574
14575 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
14576
14577         Fix PR debug/19124
14578         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
14579         fbreg, so we have to assume we can't.
14580         (loc_descriptor_from_tree_1): Ditto.
14581         (containing_function_has_frame_base): New function.
14582         (add_location_or_const_value_attribute): Use it.
14583         Also try to generate a frame_base from a single element location
14584         list.
14585
14586 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
14587
14588         PR tree-optimization/15349
14589         * timevar.def (TV_TREE_MERGE_PHI): New.
14590         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
14591         PHI_WANTED.
14592         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
14593         calls to tree_forwarder_block_p.
14594         (remove_forwarder_block_with_phi, merge_phi_nodes,
14595         gate_merge_phi, pass_merge_phi): New.
14596         * tree-optimize.c (init_tree_optimization_passes): Add
14597         pass_merge_phi.
14598         * tree-pass.h: Add an extern for pass_merge_phi;
14599
14600 2005-01-20  Richard Henderson  <rth@redhat.com>
14601
14602         PR target/19418
14603         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
14604         (_mm_castps_pd, _mm_castps_si128): New.
14605         (_mm_castsi128_ps, _mm_castsi128_pd): New.
14606
14607 2005-01-20  Richard Henderson  <rth@redhat.com>
14608
14609         PR target/19530
14610         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
14611         __builtin_ia32_vec_init_v2si.
14612         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
14613         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
14614         (ix86_init_mmx_sse_builtins): Create it.
14615         (ix86_expand_builtin): Expand it.
14616         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
14617         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
14618         (vec_extractv2si_0, vec_extractv2si_1): New.
14619
14620 2005-01-20  Richard Henderson  <rth@redhat.com>
14621
14622         PR target/16533
14623         * config/i386/i386.c (ix86_expand_push): New.
14624         * config/i386/mmx.md (push<MMXMODE>1): New.
14625         * config/i386/sse.md (push<SSEMODE>1): New.
14626         * config/i386/i386-protos.h: Update.
14627
14628 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
14629
14630         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
14631         copyright.
14632
14633 2005-01-20  Richard Henderson  <rth@redhat.com>
14634
14635         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
14636         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
14637
14638 2005-01-19  Richard Henderson  <rth@redhat.com>
14639
14640         PR target/19350
14641         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
14642         to V4SFmode in SSE1 fallback load path.
14643
14644 2005-01-19  Richard Henderson  <rth@redhat.com>
14645
14646         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
14647         in QImode expansion to ix86_expand_vector_set.
14648         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
14649
14650 2005-01-19  Richard Henderson  <rth@redhat.com>
14651
14652         PR target/19511
14653         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
14654         subclass of the input class.
14655         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
14656         Always true for cross-SSE1 classes.  Rationalize conditionals.
14657         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
14658         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
14659         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
14660         (movdi_2): Add MMX/SSE zeros.
14661         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
14662         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
14663         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
14664         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
14665         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
14666         (zero_extendsidi2_rex64_1): Remove.
14667         (MOV0 peephole): Check GENERAL_REG_P.
14668
14669 2005-01-19  Richard Henderson  <rth@redhat.com>
14670
14671         PR target/19427
14672         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
14673         shufps elements.
14674         (ix86_expand_vector_extract): Likewise.
14675
14676 2005-01-19  Richard Henderson  <rth@redhat.com>
14677
14678         PR middle-end/19304
14679         * expr.c (emit_move_change_mode): New argument force; use
14680         simplify_gen_subreg if true.
14681         (emit_move_via_alt_mode): Merge into ...
14682         (emit_move_via_integer): ... here.
14683         (emit_move_ccmode): Use emit_move_change_mode directly.
14684
14685 2005-01-19  Richard Henderson  <rth@redhat.com>
14686
14687         PR target/19518
14688         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
14689         (alpha_preferred_reload_class): Handle CONST_VECTOR.
14690         (alpha_emit_set_const_1): Add no_output parameter; don't emit
14691         rtl if true.
14692         (alpha_emit_set_const): Likewise.  Make static.
14693         (alpha_emit_set_long_const): Make static.
14694         (alpha_extract_integer): Split out from alpha_expand_mov.
14695         (alpha_split_const_mov): Likewise.
14696         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
14697         (alpha_legitimate_constant_p): New.
14698         * config/alpha/alpha-protos.h: Update.
14699         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
14700         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
14701         * config/alpha/alpha.md (movsi): Add n alternative.
14702         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
14703         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
14704         (splitters for all of the above): Use alpha_split_const_mov.
14705         * config/alpha/predicates.md (non_add_const_operand): New.
14706         (non_zero_const_operand): New.
14707         (input_operand): Use alpha_legitimate_constant_p after reload.
14708
14709 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
14710
14711         PR tree-optimization/19038
14712         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
14713         (add_candidate): Add ivs with increment in latch only if
14714         allow_ip_end_pos_p is true.
14715         (determine_iv_cost): Use empty_block_p.
14716
14717 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
14718
14719         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
14720         (compute_dominance_frontiers): Ditto.
14721
14722 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
14723
14724         PR target/19529
14725         * config/sh/t-rtems: New.
14726         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
14727
14728 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
14729
14730         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
14731         the offset of the selected field.
14732
14733 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
14734
14735         * tree-cfg.c (remove_forwarder_block): Fix the check to
14736         prevent a nonlocal label from appearing in the middle of a
14737         basic block.
14738
14739 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
14740
14741         PR rtl-optimization/19462
14742         * reorg.c (find_end_label): Create return insn only if
14743         current_function_epilogue_delay_list is empty.
14744
14745 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
14746
14747         * doc/passes.texi: Remove paragraph mentioning new-ra.
14748
14749 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
14750
14751         PR rtl-optimization/15139
14752         * combine.c: Include params.h.
14753         (count_rtxs): New function.
14754         (record_value_for_reg): If replace_rtx would replace at least
14755         2 occurrences of REG in VALUE and TEM is really large, replace REG with
14756         (clobber (const_int 0)) instead of TEM.
14757         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
14758         * params.h (MAX_LAST_VALUE_RTL): New.
14759         * Makefile.in (combine.o): Depend on $(PARAMS_H).
14760         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
14761
14762         PR c/17297
14763         * c-typeck.c (digest_init): Only call build_vector if all constructor
14764         elements are *_CST nodes.
14765         * gimplify.c (gimplify_init_constructor): Likewise.
14766
14767         PR middle-end/19164
14768         * c-typeck.c (digest_init): Only call build_vector if inside_init
14769         is a CONSTRUCTOR.
14770
14771 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
14772
14773         * toplev.c (init_asm_output): Remove dead #ifdef.
14774
14775 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
14776
14777         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
14778
14779 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
14780
14781         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
14782         accessing DECL_FUNCTION_CODE.
14783         * dojump.c (do_jump): Likewise.
14784         * gimplify.c (gimplify_call_expr): Likewise.
14785         * predict.c (expr_expected_value): Likewise.
14786         (strip_builtin_expect): Likewise.
14787         * tree-inline.c (estimate_num_insns_1): Likewise.
14788         * tree-ssa-loop-im.c (stmt_cost): Likewise
14789         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
14790         (tree_expr_nonnegative_p): Likewise.
14791
14792 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
14793
14794         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
14795         variant of the load_pcrel_sym pattern.
14796         * config/sparc/sparc.md (P macro): Move to the top.
14797         (load_pcrel_sym): Macroize using P.
14798         (save_register_window): Likewise.
14799
14800 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
14801
14802         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
14803         ("sordered"): Same.
14804
14805 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
14806
14807         PR C/19472
14808         * c-typeck.c (build_asm_expr): Strip nops off
14809         input memory operands.
14810
14811 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
14812
14813         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
14814         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
14815         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
14816         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
14817
14818 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
14819
14820         PR target/19379
14821         * config/i386/i386.c (override_options): If the 80387 is disabled,
14822         then do not return FP values using FP registers.
14823
14824 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
14825
14826         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
14827         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
14828         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
14829         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
14830         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
14831         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
14832         output.h, postreload-gcse.c, postreload.c, recog.c,
14833         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
14834         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
14835         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
14836         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
14837         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
14838         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
14839         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
14840         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
14841
14842         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
14843         config/alpha/alpha.c, config/arm/vfp.md,
14844         config/i386/emmintrin.h, config/i386/i386-modes.def,
14845         config/i386/i386-protos.h, config/i386/i386.h,
14846         config/i386/pmmintrin.h, config/i386/ppro.md,
14847         config/i386/predicates.md, config/i386/xmmintrin.h,
14848         config/i860/i860.c, config/ia64/ia64-modes.def,
14849         config/ia64/ia64-protos.h, config/ia64/ia64.h,
14850         config/ia64/ia64.md, config/ia64/itanium1.md,
14851         config/ia64/itanium2.md, config/ia64/predicates.md,
14852         config/iq2000/iq2000.h, config/mips/linux64.h,
14853         config/rs6000/aix41.h, config/rs6000/aix43.h,
14854         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
14855         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
14856         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
14857         config/sparc/linux64.h, config/sparc/litecoff.h,
14858         config/sparc/sp64-elf.h, config/sparc/sparc.c,
14859         config/sparc/sparc.h, config/sparc/sparc.md,
14860         config/sparc/sysv4-only.h: Update copyright.
14861
14862 2005-01-18  Richard Henderson  <rth@redhat.com>
14863
14864         PR target/19496
14865         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
14866
14867 2005-01-18  Marc Espie  <espie@openbsd.org>
14868         * config/i386/openbsdelf.h: Typo.
14869
14870 2005-01-18  Richard Henderson  <rth@redhat.com>
14871
14872         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
14873         special case for sse.
14874         * config/i386/predicates.md (sse_comparison_operator): Likewise.
14875
14876 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
14877
14878         * tree-inline.c (estimate_num_insns_1): Added cases for
14879         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
14880
14881 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
14882
14883         PR rtl-optimization/19296
14884         * combine.c (simplify_comparison): Rewrite the condition under
14885         which a non-paradoxical SUBREG of a PLUS can be lifted when
14886         compared against a constant.
14887
14888 2005-01-18  Andi Kleen <ak@muc.de>
14889
14890         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
14891         * c.opt (-Wpointer-sign): Add.
14892         * doc/invoke.texi: (-Wpointer-sign): Add.
14893
14894 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
14895
14896         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
14897         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
14898         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
14899         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
14900         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
14901         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
14902         for TARGET_MIX_SSE_I387.
14903         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
14904         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
14905         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
14906         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
14907         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
14908         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
14909         TARGET_MIX_SSE_I387.
14910         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
14911         from expander.
14912
14913 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
14914
14915         PR target/19424
14916         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
14917         Add movaps alternative for xmm reg->reg move.
14918
14919 2005-01-17  Jeff Law  <law@redhat.com>
14920
14921         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
14922         at the end of the main DOM loop rather than just before DOM exits.
14923
14924 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
14925
14926         PR tree-optimization/19121
14927         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
14928         adding aliases to a name tag, also add them to the pointer's
14929         type tag.
14930         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
14931         sensitive alias info at all.  Only check that the two pointers
14932         have compatible pointed-to sets.
14933         * tree-ssa.c (verify_name_tags): Verify that the alias set of
14934         a pointer's type tag is a superset of the alias set of the
14935         pointer's name tag.
14936
14937 2005-01-17  James E Wilson  <wilson@specifixinc.com>
14938
14939         PR target/19357
14940         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
14941         comment to document why.
14942
14943 2005-01-17  Richard Henderson  <rth@redhat.com>
14944
14945         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
14946         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
14947         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
14948         sse2_vmsminv2df3_finite): New.
14949         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
14950         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
14951         Force op1 into register.
14952
14953 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
14954
14955         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
14956         bubblestrap from always rebuilding build directory.
14957
14958 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
14959
14960         * config/s390/s390.md ("*clc"): Remove incorrect '='.
14961         ("*cmpmem_short"): Likewise.
14962
14963 2005-01-17  Steven Bosscher  <stevenb@suse.de>
14964
14965         * basic-block.h: Document BB_* flags.
14966         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
14967         use an sbitmap instead.
14968         * sched-rgn.c (compute_trg_info): Likewise.
14969
14970 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
14971
14972         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
14973         redundant target_cpu_default and extra_parts lines.  Use the default
14974         "from-abi" ISA.
14975         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
14976         (SUBTARGET_EXTRA_SPECS): Delete.
14977         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
14978         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
14979         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
14980         and "n32" for -mabi=n32.
14981
14982 2005-01-17  Ian Lance Taylor  <ian@airs.com>
14983
14984         PR c/5675
14985         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
14986         fold constant variables into initial values.
14987
14988 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
14989
14990         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
14991
14992         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
14993         through the statements backward.
14994
14995 2005-01-17  Ian Lance Taylor  <ian@airs.com>
14996
14997         PR middle-end/13127:
14998         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
14999         a variable set to the return value of the inlined function.
15000
15001 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
15002
15003         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
15004         when modes are tieable.
15005
15006 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
15007
15008         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
15009         of pthread_create to find out if threads are enabled.
15010         * gthr-posix95.h (__gthread_active_p): Likewise.
15011
15012 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
15013
15014         * common.opt (-fnew-ra): Remove.
15015         * ra*.*: Remove.
15016         * toplev.h (flag_new_regalloc): Remove.
15017         * Makefile.in (ra*.*): Don't mention.
15018         * passes.c (rest_of_handle_new_regalloc): Remove.
15019         (rest_of_handle_combine, rest_of_compilation): Always consider
15020         flag_new_regalloc as false.
15021         * doc/invoke.texi: Don't document -fnew-ra.
15022
15023 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
15024
15025         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
15026         last parameter to reg_scan.
15027         * loop.c (loop_optimize): Likewise.
15028         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
15029         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
15030         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
15031         rest_of_handle_gcse, rest_of_handle_loop_optimize,
15032         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
15033         * regclass.c (reg_scan): Likewise, for the declaration.
15034         * rtl.h (reg_scan): Likewise, for the prototype.
15035
15036 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
15037
15038         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
15039         mark_dfs_back_edges.
15040
15041 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
15042
15043         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
15044         (compute_avail): Uses don't go in tmp_gen.
15045
15046 2005-01-16  Steven Bosscher  <stevenb@suse.de>
15047
15048         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
15049         loop to look for a free slot in a page entry.
15050
15051 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15052
15053         PR target/16304
15054         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
15055         * toplev.c (compile_file): Call process_pending_assemble_output_defs
15056         just before targetm.asm_out.file_end.
15057         * tree.h (process_pending_assemble_output_defs): Declare.
15058         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
15059         New functions.
15060         (assemble_alias): Defer generation of assembly code for defines when
15061         TARGET_DEFERRED_OUTPUT_DEFS is true.
15062         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
15063         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
15064         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
15065
15066 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15067
15068         PR target/19336
15069         * pa.c (pa_scalar_mode_supported_p): New function.
15070         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15071         * pa.h (MIN_UNITS_PER_WORD): Add comment.
15072
15073         * pa-protos.h (prefetch_operand): Delete.
15074         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
15075         * pa.c (prefetch_operand): Delete.
15076         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
15077         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
15078         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
15079         and prefetch_nocc_operand.
15080         * pa.md (prefetch): Rework to avoid reload problems handling short
15081         displacements when a cache control completer needs to be provided.
15082         (prefetch_32, prefetch_64): Delete.
15083         (prefetch_cc, prefetch_nocc): New patterns.
15084
15085 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
15086
15087         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
15088
15089 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15090
15091         PR ada/19388
15092         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
15093         exceeds maximum alignment for global common data.
15094         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
15095         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
15096
15097 2004-01-15  Roger Sayle  <roger@eyesopen.com>
15098
15099         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
15100
15101 2004-01-15  Roger Sayle  <roger@eyesopen.com>
15102
15103         * harg-reg-set.h (reg_class_names): Prototype global array.
15104         * regclass.c (reg_class_names): Declare here and initialize to
15105         REG_CLASS_NAMES.
15106         (dump_regclass): Remove local declaration of reg_class_names.
15107         (regclass): Likewise.
15108         * cfg.c (dump_flow_info): Likewise.
15109         * ra-debug.c (reg_class_names): Likewise.
15110         * regrename.c (reg_class_names): Likewise.
15111         * reload.c (reg_class_names): Likewise.
15112         * reload1.c (spill_failure): Likewise.
15113         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
15114
15115 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
15116
15117         * config/s390/s390.md ("reload_outti"): Remove predicate for
15118         output operand.  Abort if operand is not a MEM.
15119         ("reload_outdi", "reload_outdf"): Likewise.
15120
15121 2005-01-15  Marc Espie  <espie@openbsd.org>
15122
15123         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
15124         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
15125         * config/openbsd.h:  Fix C++ includes for native configurations.
15126         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
15127         Add trampoline support.
15128         * config/i386/openbsdelf.h: New.
15129
15130 2005-01-15  Marc Espie  <espie@openbsd.org>
15131
15132         * collect2.c (main): Explicitly parse -dynamic-linker option.
15133
15134 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
15135
15136         PR tree-optimization/19060
15137         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
15138         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
15139         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
15140         and handle extract_range_from_cond returning false.
15141         * fold-const.c (fold): Optimize comparisons with min/max even for
15142         width > HOST_BITS_PER_WIDE_INT.
15143
15144 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
15145
15146         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
15147         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
15148         Remove little endian multilib variants.
15149         Add mips32 multilib variant.
15150
15151 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
15152
15153         * explow.c (copy_all_reg, stabilize): Remove.
15154         * expr.h: Remove the corresponding prototypes.
15155
15156         * rtlanal.c (regs_set_between_p): Remove.
15157         * rtl.h: Remove the corresponding prototype.
15158
15159 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
15160
15161         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
15162         to rs6000_nonimmediate_operand.
15163         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
15164         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
15165         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
15166         rs6000_nonimmediate_operand.
15167         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
15168         rs6000_nonimmediate_operand.
15169
15170 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
15171
15172         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
15173
15174 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
15175
15176         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
15177         on e500v2.
15178         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
15179         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
15180
15181         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
15182         (rs6k_nonimmediate_operand): New.
15183         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
15184         correctly.
15185         (legitimate_lo_sum_address_p): Same.
15186         (rs6000_legitimize_address): Same.
15187         (rs6000_legitimize_reload_address): Same.
15188         (rs6000_legitimate_address): Same.
15189         (spe_build_register_parallel): Pass DF and DC modes in a DI
15190         register.
15191
15192         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
15193         to rs6k_nonimmediate_operand.
15194
15195         * config/rs6000/spe.md ("*frob_df_di"): New.
15196         ("*frob_di_df"): New.
15197         ("*frob_di_df_2"): New.
15198         ("*mov_sidf_e500_subreg0"): New.
15199         ("*mov_sidf_e500_subreg4"): New.
15200         ("*movdf_e500_double"): Change predicate to
15201         rs6k_nonimmediate_operand.
15202
15203 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
15204
15205         * postreload.c (move2add_note_store): Only call
15206         trunc_int_for_mode on scalar integers.
15207
15208 2005-01-14  Steven Bosscher  <stevenb@suse.de>
15209
15210         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
15211         replace BB_VISITED uses.
15212         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
15213         (propagate_necessity): Check the bitmap instead of BB_VISITED.
15214         (tree_dce_done): Free visited_control_parents.
15215         (perform_tree_ssa_dce): Allocate and clear it.
15216         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
15217         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
15218         instead of BB_VISITED.
15219
15220 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
15221
15222         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
15223         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
15224         Remove unused prototypes.
15225
15226 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
15227
15228         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
15229         64-bit register usage.
15230         (spe_func_has_64bit_regs_p): Add FIXME note.
15231
15232 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
15233
15234         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
15235         flag_finite_math_only with flag_unsafe_math_optimizations.
15236
15237 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
15238
15239         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
15240         end-of-stack check.
15241         (__tpf_eh_return): Copy TPF private stack area from the module
15242         boundary stack frame.  Add check for when module addresses are
15243         equal, but no stub address is found.
15244
15245 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
15246
15247         PR target/7525
15248         * arm.h (struct machine_function): Add call_via field.
15249         (thumb_call_via_label): Declare.
15250         * arm.c (thumb_call_via_label): New variable.
15251         (thumb_call_reg_needed): New variable.
15252         (arm_output_function_epilogue): For Thumb code, output any per-function
15253         call-indirect trampolines.
15254         (thumb_call_via_reg): New function.
15255         (arm_file_end): New function.
15256         (TARGET_ASM_FILE_END): Call arm_file_end.
15257         (aof_file_end): Likewise.
15258         * arm-protos.h (thumb_call_via_reg): Declare.
15259         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
15260         thumb_call_via_reg in normal case.
15261
15262 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
15263
15264         PR middle-end/19084
15265         PR rtl-optimization/19348
15266         * recog.c (peephole2_optimize): Do global life update if some peephole
15267         decides it doesn't need at least one of its inputs and that change
15268         influences liveness at the start of the basic block.
15269
15270         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
15271         arguments instead of 1.
15272
15273 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
15274
15275         PR middle-end/18820
15276         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
15277         zero for nested functions needing a static chain or functions
15278         with a non-constant address.
15279
15280 2005-01-13  Roger Sayle  <roger@eyesopen.com>
15281
15282         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
15283         (and (sign_extend X) C) into (zero_extend (and X C)).
15284
15285 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
15286
15287         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
15288
15289 2005-01-13  Richard Henderson  <rth@redhat.com>
15290
15291         PR target/19009
15292         PR target/19250
15293         PR target/19252
15294         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
15295         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
15296         not just TARGET_SSE.
15297         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
15298         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
15299         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
15300         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
15301         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
15302         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
15303         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
15304         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
15305         (movdicc_c_rex64): Rename with '*'.
15306         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
15307         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
15308         (movsfcc_1_387): Rename from movsfcc_1.
15309         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
15310         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
15311         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
15312         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
15313         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
15314         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
15315         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
15316         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
15317         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
15318         sse_movdfcc_const0_4): Remove.
15319         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
15320         recognize min/max early.  Update for changed sse cmove patterns.
15321         (ix86_split_sse_movcc): New.
15322         * config/i386/i386-protos.h: Update.
15323
15324 2005-01-13  Steven Bosscher  <stevenb@suse.de>
15325
15326         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
15327         (fix_stmt_v_may_defs): Likewise.
15328
15329 2005-01-13  Richard Henderson  <rth@redhat.com>
15330
15331         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
15332         for converting the mask.
15333
15334 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
15335
15336         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
15337         definition to 600.
15338
15339 2005-01-13  Richard Henderson  <rth@redhat.com>
15340
15341         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
15342         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
15343         IX86_BUILTIN_MOVDQ2Q): Remove.
15344         (IX86_BUILTIN_VEC_EXT_V4SI): New.
15345         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
15346         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
15347         shuffling.
15348         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
15349         (sse2_pextrw): Fix immediate constraint.
15350         (sse2_loadq, sse2_loadq_rex64): Remove.
15351         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
15352         Use __builtin_ia32_vec_ext_<size>.
15353         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
15354
15355 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
15356
15357         * function.c (assign_parm_setup_block): Look inside original
15358         entry_parm when inspecting PARALLEL.
15359
15360 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
15361             Joel Sherrill  <joel@oarcorp.com>
15362
15363         PR target/19399
15364         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
15365         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
15366         rtems_gxx_recursive_mutex_init.
15367         (__gthread_recursive_mutex_lock): New function.
15368         (__gthread_recursive_mutex_trylock): Likewise.
15369         (__gthread_recursive_mutex_unlock): Likewise.
15370
15371 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
15372
15373         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
15374
15375 2005-01-13  Jan Beulich  <jbeulich@novell.com>
15376
15377         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
15378         (ashrti3_internal): Indicate output is early clobber. Generate result
15379         into output rather than first input. Use move for low word of output
15380         if shift count is exactly 64.
15381         (lshrti3_internal): Likewise.
15382
15383 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
15384
15385         PR target/18329
15386         PR target/18330
15387         * reload1.c (delete_output_reload): Don't delete an output reload
15388         if the pseudo lives longer than a single basic block.  Adjust and
15389         improve wording of comment.
15390
15391 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
15392
15393         PR target/19334
15394         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
15395         of TYPE_SIZE where we mean the number of bytes.
15396
15397 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
15398
15399         * function.c (assign_parm_setup_block): Relax condition on
15400         multi-register optimization.
15401
15402 2005-01-12  Nick Clifton  <nickc@redhat.com>
15403
15404         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
15405         an "in_delay_slot" attribute of "no" to prevent them being used in
15406         delay slots.  This is forbidden because they might generate
15407         exceptions.
15408
15409 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
15410
15411         PR target/19389
15412         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
15413         with r->Y and Y->r.
15414
15415 2005-01-12  Nick Clifton  <nickc@redhat.com>
15416
15417         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
15418         passed on to GAS) but do not define, as GAS no longer supports or
15419         needs the -m2000 option.
15420
15421 2005-01-11  Roger Sayle  <roger@eyesopen.com>
15422
15423         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
15424         type as args of unprototyped builtins aren't automatically promoted.
15425         (fold_builtin_abs): Likewise.
15426
15427 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15428
15429         * Makefile.in: Set a `build-warn' variable.
15430
15431 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
15432
15433         PR tree-optimization/17949
15434         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
15435         (find_interesting_uses_address): Use it.
15436
15437 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
15438
15439         * regrename.c (kill_value): Handle subreg's that won't simplify.
15440
15441 2005-01-11  Richard Henderson  <rth@redhat.com>
15442
15443         PR target/13366
15444         * config/i386/i386.h (enum ix86_builtins): Move ...
15445         * config/i386/i386.c: ... here.
15446         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
15447         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
15448         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
15449         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
15450         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
15451         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
15452         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
15453         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
15454         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
15455         IX86_BUILTIN_LOADDDUP): Remove.
15456         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
15457         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
15458         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
15459         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
15460         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
15461         (ix86_init_builtins): Make static.
15462         (ix86_init_mmx_sse_builtins): Update for changed builtins.
15463         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
15464         if all the modes match.  Otherwise, fake it.
15465         (get_element_number, ix86_expand_vec_init_builtin,
15466         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
15467         (ix86_expand_builtin): Make static.  Update for changed builtins.
15468         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
15469         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
15470         (ix86_expand_vector_init_duplicate): New.
15471         (ix86_expand_vector_init_low_nonzero): New.
15472         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
15473         Split out from ix86_expand_vector_init; handle integer modes.
15474         (ix86_expand_vector_init): Use them.
15475         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
15476         * config/i386/i386-protos.h: Update.
15477         * config/i386/predicates.md (reg_or_0_operand): New.
15478         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
15479         (movv2sf_internal): Likewise.  And a splitter to match them all.
15480         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
15481         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
15482         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
15483         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
15484         (mmx_pinsrw): Fix operand ordering.
15485         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
15486         rather than sse_loadss expander.
15487         (movv2df splitter): Similarly.
15488         (sse_loadss, sse_loadlss): Remove.
15489         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
15490         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
15491         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
15492         (sse3_movddup): Rename with '*'.
15493         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
15494         (sse2_loadsd): Remove.
15495         (vec_dupv2df_sse3): Rename from sse3_loadddup.
15496         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
15497         (sse2_pinsrw): Fix argument ordering.
15498         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
15499         (sse2_stored): Remove 'r' destination.
15500         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
15501         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
15502         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
15503         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
15504         vec_extractv16qi, vec_initv16qi): New.
15505
15506         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
15507         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
15508         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
15509         constructor form.
15510         (_mm_load_pd, _mm_store_pd): Use plain dereference.
15511         (_mm_load_si128, _mm_store_si128): Likewise.
15512         (_mm_load1_pd): Use _mm_set1_pd.
15513         (_mm_load_sd): Use _mm_set_sd.
15514         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
15515         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
15516         (_mm_set_epi64): Use _mm_set_epi64x.
15517         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
15518         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
15519         _mm_setr_epi8): Use _mm_set_foo form.
15520         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
15521         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
15522         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
15523         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
15524         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
15525         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
15526         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
15527         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
15528         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
15529         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
15530         (_mm_movedup_pd): Use _mm_shuffle_pd.
15531         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
15532         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
15533         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
15534         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
15535         Use _mm_setzero_ps.
15536         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
15537         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
15538         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
15539         (_mm_store_ps): Use raw dereference.
15540         (_mm_store1_ps): Use _mm_storeu_ps.
15541         (_mm_storer_ps): Use _mm_store_ps.
15542         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
15543         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
15544
15545 2005-01-11  Stan Shebs  <shebs@apple.com>
15546
15547         * config/rs6000/rs6000.c (machopic_output_stub): Issue
15548         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
15549
15550 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
15551
15552         PR target/18761
15553         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
15554         Skip all DECLs except for FIELD_DECLs.
15555
15556 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
15557
15558         * config/s390/s390.c (override_options): Return error if
15559         -mbackchain, -mpacked-stack and -mhard-float are used together.
15560         (s390_va_start): Remove the backchain && packed-stack special case.
15561         (s390_gimplify_va_arg): Likewise.
15562         * doc/invoke.texi: Remove the ABI incompatibility note.
15563
15564 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
15565
15566         * config/s390/s390.c (struct s390_frame_layout): Remove
15567         save_backchain_p.
15568         (s390_frame_info, s390_emit_prologue): Replace occurrences of
15569         save_backchain_p with TARGET_BACKCHAIN.
15570
15571 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
15572
15573         PR target/18916
15574         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
15575         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
15576         * function.c (locate_and_pad_parm): Set new field.
15577         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
15578         Tweak where_pad test to include "none".  Always set mem align for
15579         stack_parm.
15580         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
15581         not sufficient for type.
15582         (assign_parm_setup_block): If stack_parm is zero on entry, always
15583         make a new stack local.  Block move old stack parm if necessary
15584         to new aligned stack local.
15585         (assign_parm_setup_stack): Use a block move to handle
15586         potentially misaligned entry_parm.
15587         (assign_parms_unsplit_complex): Specify required alignment when
15588         creating stack local.
15589         * calls.c (compute_argument_addresses): Override alignment of stack
15590         arg calculated from its type with the alignment given by
15591         FUNCTION_ARG_BOUNDARY.
15592         (store_one_arg): Likewise.
15593
15594 2005-01-11  Jan Beulich  <jbeulich@novell.com>
15595
15596         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
15597         Change respective itanium_class attribute to ialu.
15598         (shladdp4_internal): New.
15599         * config/ia64/predicates.md (shladd_log2_operand): New.
15600
15601 2005-01-11  Richard Henderson  <rth@redhat.com>
15602
15603         * expr.c (store_constructor): Use rtvec_alloc instead of
15604         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
15605
15606 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
15607
15608         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
15609
15610 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
15611
15612         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
15613         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
15614         (TARGET_RWRELOC): Define.
15615         (ia64_rwreloc_section_type_flags): Delete.
15616         (ia64_section_type_flags): New function.
15617         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
15618         (TARGET_RWRELOC): Define.
15619
15620 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
15621
15622         PR target/18987
15623         * config/ia64/ia64.c (process_set): For alloc insn, only call
15624         process_epilogue is !frame_pointer_needed.
15625
15626 2005-01-10  Roger Sayle  <roger@eyesopen.com>
15627
15628         PR c++/19355
15629         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
15630         unary operator and can't be treated as a binary/comparison operator.
15631
15632 2005-01-10  Richard Henderson  <rth@redhat.com>
15633
15634         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
15635         (ix86_return_in_memory): Likewise.
15636         (function_arg_advance):  Likewise.  Mirror structure in function_arg
15637         for choosing register to advance.
15638
15639 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
15640
15641         * tree-vectorizer.c, tree.def: Fix comment typos.
15642
15643 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
15644
15645         * config/s390/s390.c (struct processor_costs): 4 new fields:
15646         ddbr, ddr, debr, der.
15647         (s390_rtx_costs): More precise handling of divide instructions.
15648
15649 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
15650
15651         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
15652
15653 2005-01-10  Jan Beulich  <jbeulich@novell.com>
15654
15655         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
15656         names resulting from -ffunction-sections/-fdata-sections and linkonce
15657         ones.
15658         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
15659         based on the section name. Rearrange the section name comparison logic
15660         slightly so that each section name is compared against at most once.
15661
15662 2005-01-10  Ben Elliston  <bje@au.ibm.com>
15663
15664         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
15665         targets for which -fPIC reduces limitations on the GOT size.
15666
15667 2005-01-09  Falk Hueffner  <falk@debian.org>
15668
15669         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
15670         X/C1 cmpop C2.
15671
15672 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
15673
15674         PR target/18720
15675         * collect2.c (main): Set aixrtl_flag for -brtl option.
15676         (resolve_lib_name): Search for .so file extension before .a
15677         if aixrtl_flag set.
15678
15679 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
15680
15681         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
15682         (vect_analyze_data_refs_alignment): Add dump prints.
15683
15684 2005-01-09  Ira Rosen  <irar@il.ibm.com>
15685
15686         * tree-vectorizer.c (vect_analyze_offset_expr): Use
15687         expr_invariant_in_loop_p.
15688         Initialize outputs first thing in the function.
15689         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
15690         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
15691         (vect_analyze_pointer_ref_access): Check that the initial condition of
15692         the access function is loop invariant.
15693
15694 2005-01-09  Richard Henderson  <rth@redhat.com>
15695
15696         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
15697         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
15698         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
15699         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
15700         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
15701         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
15702         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
15703         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
15704         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
15705         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
15706         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
15707         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
15708         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
15709         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
15710         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
15711         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
15712         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
15713         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
15714         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
15715         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
15716         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
15717         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
15718         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
15719         mmx_ prefix.
15720         (mmx_clrdi, pavgusb): Remove.
15721         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
15722         with leading sse_ prefix.
15723         * config/i386/sse.md: Receive them.
15724         * config/i386/mmx.md: New file.
15725         (MMXMODE12, MMXMODE24, mmxvecsize): New.
15726         (subrv2sf3): Turn into expander for normal subtraction.
15727         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
15728         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
15729         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
15730         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
15731         commutative; use ix86_binary_operator_ok.
15732         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
15733         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
15734         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
15735         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
15736         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
15737         Macroize from existing patterns; use ix86_binary_operator_ok.
15738         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
15739         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
15740         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
15741         with vec_select+vec_concat.
15742         (mmx_pshufw, mmx_pshufw_1): Likewise.
15743         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
15744         (mmx_uavgv4hi3): Model correctly.
15745         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
15746         _mm_xor_si64): Remove casts.
15747
15748 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
15749
15750         PR tree-optimization/19224
15751         * tree-scalar-evolution.c (get_instantiated_value,
15752         set_instantiated_value): New functions.
15753         (instantiate_parameters_1): Cache the results.
15754         (instantiate_parameters, resolve_mixers): Initialize and free
15755         the cache.
15756
15757 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
15758
15759         * config/i386/i386.md (addhi_4): Correct reference in comment.
15760         (addqi_4): Same.
15761
15762 2005-01-08  Richard Henderson  <rth@redhat.com>
15763
15764         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
15765         (_mm_cvtsi128_si64x): Likewise.
15766         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
15767         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
15768         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
15769         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
15770         * config/i386/i386-protos.h: Update.
15771         * config/i386/i386.c (print_operand): Add 'H'.
15772         (ix86_fixup_binary_operands): Split out from ...
15773         (ix86_expand_binary_operator): ... here.
15774         (ix86_fixup_binary_operands_no_copy): New.
15775         (ix86_expand_fp_absneg_operator): Handle vector mode results.
15776         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
15777         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
15778         (safe_vector_operand): Use CONST0_RTX.
15779         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
15780         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
15781         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
15782         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
15783         special cases.
15784         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
15785         (IX86_BUILTIN_CMPNGESS): New.
15786         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
15787         (attr type): Add sselog1.
15788         (attr unit, attr memory): Handle it.
15789         (movti, movti_internal, movti_rex64): Move near other integer moves.
15790         (movtf, movtf_internal): Move near other fp moves.
15791         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
15792         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
15793         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
15794         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
15795         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
15796         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
15797         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
15798         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
15799         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
15800         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
15801         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
15802         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
15803         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
15804         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
15805         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
15806         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
15807         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
15808         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
15809         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
15810         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
15811         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
15812         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
15813         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
15814         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
15815         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
15816         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
15817         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
15818         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
15819         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
15820         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
15821         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
15822         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
15823         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
15824         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
15825         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
15826         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
15827         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
15828         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
15829         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
15830         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
15831         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
15832         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
15833         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
15834         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
15835         same time.
15836         (SSEPUSH, push<SSEPUSH>): Remove.
15837         (MMXPUSH, push<MMXPUSH>): Remove.
15838         (sse_movaps, sse_movaps_1, sse_movups): Remove.
15839         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
15840         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
15841         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
15842         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
15843         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
15844         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
15845         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
15846         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
15847         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
15848         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
15849         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
15850         (ppro_sse_log_V4SF): Handle sselog1.
15851         * config/i386/predicates.md (const_0_to_1_operand): New.
15852         (const_0_to_255_mul_8_operand): New.
15853         (const_1_to_31_operand): Rename from const_int_1_31_operand.
15854         (const_2_to_3_operand, const_4_to_7_operand): New.
15855         * config/i386/sse.md: New file.
15856         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
15857         (sse_movups): Rename from sse_movups_1.
15858         (sse_loadlss): Rename from sse_loadss_1.
15859         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
15860         from the name.
15861         (negv4sf2): Use ix86_expand_fp_absneg_operator.
15862         (absv4sf2, negv2df, absv2df): New.
15863         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
15864         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
15865         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
15866         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
15867         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
15868         (sse3_addsubv4sf3): Model correctly.
15869         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
15870         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
15871         (sse_movhlps): Model with vec_select+vec_concat.
15872         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
15873         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
15874         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
15875         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
15876         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
15877         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
15878         sse2_pshufhw_1): Likewise.
15879         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
15880         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
15881         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
15882         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
15883         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
15884         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
15885         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
15886         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
15887         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
15888         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
15889         sminv8hi3): Mark commutative
15890         operands.  Use ix86_binary_operator_ok.
15891         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
15892         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
15893         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
15894         sse2_punpcklqdq): Allow operand2 in memory.
15895         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
15896         sse2_movsd): Add memory alternatives.
15897         (sse_storelps): Turn expander into an insn; split after reload.
15898         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
15899         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
15900
15901 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
15902
15903         * configure.ac (DWARF-2 debug_line): Use objdump.
15904         * configure: Regenerate.
15905
15906 2005-01-08  Jeff Law  <law@redhat.com>
15907             Diego Novillo  <dnovillo@redhat.com>
15908
15909         PR tree-optimization/18241
15910         * tree-nrv.c (tree_nrv): Ignore volatile return values.
15911         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
15912         statements with volatile operands.
15913         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
15914         operands after marking a statement with has_volatile_ops.
15915
15916 2005-01-08  Roger Sayle  <roger@eyesopen.com>
15917
15918         * tree.c (int_fits_type_p): Always honor integer constant
15919         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
15920
15921 2005-01-08  Roger Sayle  <roger@eyesopen.com>
15922
15923         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
15924         the latent bug in rtl_delete_block has been resolved.
15925
15926 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
15927
15928         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
15929         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
15930
15931 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
15932
15933         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
15934         library as @multilib_dir@/$(SHLIB_SONAME).
15935
15936 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
15937
15938         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
15939         * configure: Regenerate.
15940
15941 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
15942
15943         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
15944         TYPE_MODE.
15945
15946 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
15947
15948         PR target/13674
15949         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
15950         Convert non-word aligned offset address using ld/std into
15951         indirect address.
15952
15953 2005-01-07  Richard Henderson  <rth@redhat.com>
15954
15955         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
15956
15957 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
15958
15959         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
15960
15961 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
15962
15963         PR tree-optimization/19283
15964         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
15965         is not shorter than the original type.
15966
15967         PR rtl-optimization/19012
15968         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
15969
15970         PR rtl-optimization/18861
15971         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
15972         (FULL_STATE): Define.
15973         (mark_tablejump_edge): New function.
15974         (purge_dead_tablejump_edges): New function.
15975         (find_bb_boundaries): Use it.
15976
15977         PR tree-optimization/18828
15978         * builtins.c (expand_builtin_next_arg): Remove argument and all
15979         the argument checking.
15980         (expand_builtin): Adjust caller.
15981         (expand_builtin_va_start): Likewise.  Remove error for too many
15982         arguments.
15983         (fold_builtin_next_arg): Issue error for too many arguments.
15984         After checking arguments, replace them with magic arguments that
15985         prevent further checking of the args.
15986
15987 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15988
15989         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
15990
15991 2005-01-06  Roger Sayle  <roger@eyesopen.com>
15992
15993         PR target/6077
15994         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
15995         and %{.S:...} (and their negative variants) to test whether the
15996         input file is assembler or pre-processed-assembler independent of
15997         the actual filename extension.
15998
15999 2005-01-06  Roger Sayle  <roger@eyesopen.com>
16000
16001         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
16002         of sign or zero extended values.
16003
16004 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
16005
16006         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
16007         for IBM long double format correctly.
16008
16009 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
16010
16011         Fix PR tree-optimization/18792
16012
16013         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
16014         to first_loop_depth, and use loop depth instead of loop number.
16015         (build_classic_dir_vector): Ditto.
16016         (compute_data_dependences_for_loop): Use depth, not loop number.
16017         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
16018         number. Pass in loops, instead of loop numbers.
16019         (gather_interchange_stats): Ditto.
16020         (linear_transform_loops): Ditto.
16021
16022 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
16023
16024         PR rtl-opt/13299
16025         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
16026         biv_fits_mode_p, extension_within_bounds_p): New functions.
16027         (check_ext_dependent_givs): Use them.
16028
16029 2005-01-06  Roger Sayle  <roger@eyesopen.com>
16030
16031         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
16032         more than one barrier, in which case we should delete them all.
16033
16034 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
16035
16036         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
16037
16038 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
16039
16040         Fix PR middle-end/19286
16041         Fix PR debug/19267
16042         * dwarf2out.c (gen_subprogram_die): If we've already tried to
16043         output this subprogram, simply ignore this attempt to do it again.
16044         (add_abstract_origin_attribute): Don't abort trying to add the abstract
16045         origin attribute if it's not possible.
16046         (gen_block_die): Don't ignore subblocks of "unused" blocks.
16047         (decls_for_scope): Ditto.
16048         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
16049         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
16050
16051 2005-01-05  Richard Henderson  <rth@redhat.com>
16052
16053         PR target/11327
16054         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
16055         (bdesc_2arg): Use it.
16056         (ix86_expand_binop_builtin): Force operands into registers
16057         when optimizing.
16058         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
16059         ix86_expand_sse_compare, ix86_expand_sse_comi,
16060         ix86_expand_builtin): Likewise.
16061
16062 2005-01-05  Richard Henderson  <rth@redhat.com>
16063
16064         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
16065         and VEC_SELECT.
16066         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
16067         (mulv4hi3): Set itanium_class mmmul.
16068         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
16069         (fpack): Rename from fpack_sfsf.
16070
16071 2005-01-05  Richard Henderson  <rth@redhat.com>
16072
16073         PR rtl-opt/10692
16074         * reload1.c (do_input_reload): Restrict the optimization deleteing
16075         a previous output reload to RELOAD_FOR_INPUT.
16076
16077 2005-01-05  Steven Bosscher  <stevenb@suse.de>
16078
16079         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
16080         comment that we fall through after case.
16081         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
16082         (distribute_links): Likewise.
16083         * cse.c (cse_insn): Likewise.
16084         * cselib.c (cselib_invalidate_mem): Likewise.
16085         * df.c: Update comments at the top of the file.
16086         (read_modify_subreg_p): Update comments here too.
16087         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
16088         * flow.c (mark_set_1): Likewise.
16089         (mark_used_regs): Likewise.
16090         * gcse.c (mems_conflict_for_gcse_p): Likewise.
16091         (canon_list_insert): Likewise.
16092         (mark_set): Likewise.
16093         (try_replace_reg): Likewise.
16094         (store_killed_in_insn): Likewise.
16095         * loop.c (count_one_set): Likewise.
16096         (basic_induction_var): Likewise.
16097         * postreload-gcse.c (find_mem_conflicts): Likewise.
16098         * postreload.c (reload_combine_note_store): Likewise.
16099         (move2add_note_store): Likewise.
16100         * reload.c (find_equiv_reg): Likewise.
16101         (mark_referenced_resources): Likewise.
16102         * rtlanal.c (set_noop_p): Likewise.
16103         (note_stores): Likewise.
16104         (note_uses): Likewise.
16105         * sched-deps.c (sched_analyze_1): Likewise.
16106         * sched-rgn.c (check_live_1): Likewise.
16107         (update_live_1): Likewise.
16108         * config/i860/i860.c: Likewise.
16109
16110         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
16111         an lvalue.
16112         (ZERO_EXTRACT): Mention that this one can be an lvalue.
16113
16114         * doc/rtl.texi: Update documentation for bit-fields and SET.
16115
16116 2005-01-05  Roger Sayle  <roger@eyesopen.com>
16117
16118         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
16119
16120 2005-01-05  Jan Hubicka  <jh@suse.cz>
16121             Richard Henderson  <rth@redhat.com>
16122
16123         PR target/18910
16124         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
16125         with an offset.
16126
16127 2005-01-05  Richard Henderson  <rth@redhat.com>
16128
16129         PR target/12902
16130         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
16131         (sse_shufps): Change operand 3 to const_int_operand.
16132         (sse2_storelps): Fix typo in template.
16133         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
16134         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
16135         (ix86_expand_builtin): Likewise.
16136
16137 2005-01-05  Julian Brown  <julian@codesourcery.com>
16138
16139         * config/arm/arm.c (arm_return_in_memory): Treat complex types
16140         as aggregates for AAPCS ABIs.
16141
16142 2005-01-05  Stan Shebs  <shebs@apple.com>
16143
16144         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
16145         Mach-O getters if ppc64.
16146         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
16147         size argument.
16148         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
16149         signed four-byte field for global code case.
16150         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
16151
16152 2005-01-05  Roger Sayle  <roger@eyesopen.com>
16153
16154         PR middle-end/19100
16155         * c-common.c: Include real.h.
16156         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
16157         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
16158         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
16159         * Makefile.in (c-common.o): Update dependencies.
16160
16161 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
16162
16163         * c-parse.in (asm_string): Add trailing semicolon.
16164
16165 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
16166
16167         * c-parse.in (asm_string): New.  Don't allow wide strings in
16168         'asm'.
16169         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
16170         asm_string instead of STRING.
16171
16172 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
16173
16174         * c-typeck.c (constructor_no_implicit): Remove.
16175         (set_designator, process_init_element): Don't check
16176         constructor_no_implicit.
16177
16178 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
16179             Kaz Kojima  <kkojima@gcc.gnu.org>
16180
16181         PR target/16482
16182         * lcm.c (create_pre_exit): New.
16183         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
16184         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
16185
16186 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
16187
16188         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
16189         -msoft-float in target_float_switch.
16190         * arm.c (arm_override_options): Fix processing of target_float_switch.
16191
16192 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
16193
16194         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
16195         preferencing.
16196
16197 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
16198
16199         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
16200         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
16201
16202 2005-01-04  Roger Sayle  <roger@eyesopen.com>
16203
16204         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
16205         if deleting the then-block allows the test-block to fallthru to the
16206         else-block.
16207
16208 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
16209
16210         PR c/19152
16211         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
16212         after the full declaration if the are in two different TUs.
16213
16214 2005-01-04  Richard Henderson  <rth@redhat.com>
16215
16216         PR tree-opt/19158
16217         * tree-sra.c (generate_one_element_init): Just
16218         call gimplify_and_add.
16219         (generate_element_init): Record the
16220         new referenced variables and mark them for renaming
16221         and split out to ...
16222         (generate_element_init_1): This.
16223         (scalarize_init): Don't call push_gimplify_context/
16224         pop_gimplify_context.
16225
16226 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
16227
16228         * toplev.c (get_src_pwd): Handle failure of getpwd().
16229
16230 2005-01-04  Roger Sayle  <roger@eyesopen.com>
16231
16232         * fold-const.c (fold_single_bit_test): Delete unreachable handling
16233         of TRUTH_NOT_EXPR.
16234         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
16235         all the cases handled by it are inverted by invert_truthvalue.
16236
16237 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
16238
16239         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
16240         (save_register_windowsi): Likewise.
16241
16242 2005-01-04  Richard Henderson  <rth@redhat.com>
16243
16244         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
16245
16246 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
16247
16248         PR middle-end/17767
16249         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
16250         any simplifications of vector mode comparison operators.
16251         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
16252
16253 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
16254             Devang Patel  <dpatel@apple.com>
16255
16256         PR tree-optimization/18308
16257         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
16258         the operands before creating a new expression.
16259         * dojump.c (do_jump): Make drop_through_label available
16260         for all cases.  Add expansion of COND_EXPR.
16261
16262 2005-01-04  Ira Rosen  <irar@il.ibm.com>
16263
16264         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
16265         INTEGER_CST instead of TREE_CONSTANT.
16266         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
16267         instead of TREE_CONSTANT.
16268         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
16269         instead of TREE_CONSTANT.
16270
16271 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
16272
16273         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
16274
16275 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
16276
16277         PR target/19240
16278         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
16279         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
16280
16281 2005-01-03  Richard Henderson  <rth@redhat.com>
16282
16283         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
16284         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
16285         fold_convert_const_real_from_real): Split out from ...
16286         (fold_convert_const): ... here.
16287
16288 2005-01-03  Richard Henderson  <rth@redhat.com>
16289
16290         PR target/19235
16291         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
16292         (mov<MMXMODEI>_internal): Likewise.
16293         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
16294         Add V2SF case; use it for SSE1; don't use TI.
16295         (movdf_integer): Likewise.
16296         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
16297
16298 2005-01-03  Ira Rosen  <irar@il.ibm.com>
16299
16300         * tree-vectorizer.c (vect_strip_conversions): New function.
16301         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
16302         check for binary class.
16303
16304 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
16305
16306         Fix PR debug/17924
16307         Fix PR debug/19191
16308         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
16309         is a decl.
16310         * gimple-low.c (mark_blocks_with_used_vars): New function.
16311         (mark_blocks_with_used_subblocks): Ditto.
16312         (mark_used_blocks): Ditto.
16313         (pass_mark_used_blocks): New pass.
16314         * tree-inline.c: Include debug.h.
16315         (expand_call_inline): Call outlining_inline_function here.
16316         * tree-optimize.c (init_tree_optimization_passes): Add
16317         pass_mark_used_blocks.
16318         * tree-pass.h (pass_mark_used_blocks): New.
16319         * Makefile.in (tree-inline.o): Add debug.h dependency.
16320
16321 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
16322
16323         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
16324         VAR_DECLs to have weak_import attribute.
16325
16326         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
16327         'struct ucontext'.
16328
16329 2004-01-03  Steven Bosscher  <stevenb@suse.de>
16330
16331         * passes.c (rest_of_compilation): Don't run regmove if only
16332         flag_expensive_optimizations, require flag_regmove instead.
16333
16334 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
16335
16336         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
16337         register "sparc".
16338         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
16339         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
16340         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
16341         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
16342
16343 2005-01-03  Richard Henderson  <rth@redhat.com>
16344
16345         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
16346         (ia64_const_ok_for_letter_p): New.
16347         (ia64_const_double_ok_for_letter_p): New.
16348         (ia64_extra_constraint): New.
16349         (ia64_expand_vecint_compare): New.
16350         (ia64_expand_vcondu_v2si): New.
16351         (ia64_expand_vecint_cmov): New.
16352         (ia64_expand_vecint_minmax): New.
16353         (ia64_print_operand): Add 'v'.
16354         (ia64_preferred_reload_class): New.
16355         (ia64_vector_mode_supported_p): New.
16356         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
16357         (PREFERRED_RELOAD_CLASS): Move to function.
16358         (CONST_OK_FOR_LETTER_P): Move to function.
16359         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
16360         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
16361         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
16362         (EXTRA_CONSTRAINT): Move to function.
16363         * config/ia64/ia64.md: Include vect.md.
16364         (itanium_class): Add mmalua.
16365         (type): Handle it.
16366         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
16367         (1b_mmalua): New.
16368         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
16369         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
16370         CONST0_RTX.
16371         (const_int_2bit_operand): New.
16372         (fr_reg_or_0_operand): New.
16373         * config/ia64/ia64-modes.def: Add vector modes.
16374         * config/ia64/ia64-protos.h: Update.
16375         * config/ia64/vect.md: New file.
16376
16377 2005-01-03  Richard Henderson  <rth@redhat.com>
16378
16379         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
16380
16381 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
16382
16383         PR target/19236
16384         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
16385         to SFmode.
16386         (log1pdf2): Change mode of operands[0,1] to DFmode.
16387
16388 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
16389
16390         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
16391         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
16392         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
16393         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
16394         SPARC_RELAXED_ORDERING.
16395
16396 2005-01-03  Richard Henderson  <rth@redhat.com>
16397             Uros Bizjak  <uros@kss-loka.si>
16398
16399         PR target/14631
16400         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
16401         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
16402         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
16403         handling.
16404         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
16405         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
16406         const_pow2_1_to_128_operand): New predicates.
16407
16408 2005-01-02  Greg McGary  <greg@mcgary.org>
16409
16410         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
16411         anonymous decls.
16412         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
16413         object.  [ptr_type]: Remove unused variable.
16414         Remember nearest addressable array-element or record-component
16415         when checking bitfield components.  Tolerate empty BIND_EXPR.
16416
16417 2005-01-01  Richard Henderson  <rth@redhat.com>
16418
16419         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
16420         that don't narrow the value.  Fail for other conversions.
16421
16422 2005-01-01  Richard Henderson  <rth@redhat.com>
16423
16424         PR c/19031
16425         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
16426         * c-lang.c (finish_file): Don't do it here.
16427         * objc/objc-act.c (objc_finish_file): Likewise.
16428
16429         * cgraph.c (decl_assembler_name_equal): New.
16430         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
16431         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
16432         * cgraph.h (struct cgraph_varpool_node): Add next.
16433         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
16434         * varasm.c (assemble_alias): Mark the target as needed.
16435
16436 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
16437
16438         PR middle-end/19221
16439         * function.c (get_arg_pointer_save_area): Use entry_of_function
16440         instead of get_insns.
16441
16442 2005-01-01  Roger Sayle  <roger@eyesopen.com>
16443             Andrew Pinski  <pinskia@physics.uc.edu>
16444             James E. Wilson  <wilson@specifixinc.com>
16445
16446         PR rtl-optimization/12092
16447         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
16448         is zero.
16449
16450 2005-01-01  Roger Sayle  <roger@eyesopen.com>
16451             Olivier Hainque  <hainque@act-europe.fr>
16452
16453         * tree.c (int_fits_type_p): A narrower type always fits in a
16454         wider one, except for negative values into unsigned types.
16455
16456 2005-01-01  Roger Sayle  <roger@eyesopen.com>
16457
16458         * tree.c (int_fits_type_p): Compare the result of force_fit_type
16459         with the original constant rather than require TREE_OVERFLOW.
16460
16461 2005-01-01  Steven Bosscher  <stevenb@suse.de>
16462
16463         PR middle-end/17544
16464         * c-decl.c (finish_function): If compiling C99, annotate the
16465         compiler generated return with the current file name and line 0.
16466         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
16467         the source line is greater than 0.
16468         (remove_bb): Likewise.