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* tree-into-ssa.c (update_ssa): Ensure that the operand cache
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
2
3         * tree-into-ssa.c (update_ssa): Ensure that the operand cache
4         is up-to-date.
5         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
6         update_stmt_if_modified before calling update_ssa.
7
8 2005-05-27  Ralf Corsepius  <ralf.corsepius@rtems.org>
9
10         * config/rs6000/t-rtems: Remove roe multilib variant.
11
12 2005-05-26  Roger Sayle  <roger@eyesopen.com>
13
14         PR tree-optimization/9814
15         * ifcvt.c (noce_emit_move_insn): If we fail to recognize the move
16         instruction, add the necessary clobbers by re-expanding the RTL
17         for arithmetic operations via optab.c's expand_unop/expand_binop.
18         (noce_try_bitop): New function to optimize bit manipulation idioms
19         of the form "if (x & C) x = x op C" and "if (!(x & C) x = x op C".
20         (noce_process_if_block): Call noce_try_bitop.
21
22 2005-05-26  Roger Sayle  <roger@eyesopen.com>
23
24         * reg-stack.c (convert_regs_entry, convert_regs_exit,
25         convert_regs_1, convert_regs_2, convert_regs): Delete prototypes.
26         (reg_to_stack): Move to end of the file.  Initialize the per
27         basic block information here, instead of...
28         (convert_regs_entry): Here.
29         (convert_regs): Change unused return type to void.
30
31 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
32
33         * c-pch.c, timevar.c, timevar.h, unwind-compat.c,
34         unwind-dw2-fde-compat.c, unwind-dw2-fde.c, config/mmix/mmix.h,
35         config/rs6000/eabispe.h, config/rs6000/lynx.h,
36         config/sh/elf.h, config/sh/symbian-pre.h,
37         config/sparc/sparc-protos.h: Update copyright.
38
39 2005-05-26  Mike Stump  <mrs@apple.com>
40
41         * darwin.h (ASM_OUTPUT_LABELREF): Handle quoted non-lazy pointers
42         for Objective-C++.
43         
44 2005-05-26  Richard Guenther  <rguenth@gcc.gnu.org>
45
46         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
47         See through ADDR_EXPR in finding place to propagate into.
48
49 2005-05-26  Kazu Hirata  <kazu@cs.umass.edu>
50
51         * c-common.c, c-parser.c, cfgbuild.c, cfghooks.c, cfghooks.h,
52         cfgrtl.c, cgraphunit.c, ddg.c, expr.h, gcse.c, ggc-page.c,
53         ggc-zone.c, gimplify.c, ipa-inline.c, longlong.h, targhooks.c,
54         tree-flow-inline.h, tree-pass.h, tree-ssa-dse.c,
55         tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
56         tree-ssa-operands.c, tree-vect-analyze.c,
57         tree-vect-transform.c, tree-vectorizer.c, tree.c,
58         config/arm/arm.c, config/bfin/bfin.c, config/frv/frv.c,
59         config/frv/frv.md, config/i386/i386.c, config/i386/sse.md,
60         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
61         config/mcore/mcore.c, config/mips/mips.c, config/mips/mips.md,
62         config/rs6000/darwin-ldouble.c, config/rs6000/rs6000.c,
63         config/rs6000/rs6000.h, config/sh/sh.c, config/sh/sh.md,
64         config/sh/ushmedia.h, config/sparc/sparc.c,
65         config/sparc/sparc.md, config/stormy16/stormy-abi: Fix comment
66         typos.  Follow spelling conventions.
67         * doc/invoke.texi, doc/tm.texi, doc/tree-ssa.texi: Fix typos.
68         Follow spelling conventions.
69
70 2005-05-26  David Ung  <davidu@mips.com>
71
72         * config/mips/mips.c (mips_use_ins_ext_p): New helper function
73         that determines whether the MIPS32/64 R2 ext/ins should be used.
74         * config/mips/mips.h (ISA_HAS_EXT_INS): New macro.
75         * config/mips/mips.md (extzv): Changed predicate for operand to
76         nonimmediate_operand. Add code to generate insn patterns for
77         extzvsi and extzvdi.
78         (extzv<mode>): New pattern to match mips32/64 r2 ext insn.
79         (insv): Similarly for insertion.
80         (insv<mode>): Similarly.
81
82 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
83
84         * simplify-rtx.c (avoid_constant_pool_reference): Support
85         offsetted addresses in the constant pool.
86
87 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
88
89         * df.h (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
90         * df.c (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
91
92 2005-05-26  Jakub Jelinek  <jakub@redhat.com>
93
94         PR target/21716
95         * reg-stack.c (swap_rtx_condition): Don't crash if %ax user was not
96         found in the basic block and last insn in the basic block is not
97         INSN_P.  Remove explicit unspec numbers that are no longer valid
98         from comments.
99
100 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
101
102         * tree-vect-transform.c (vectorizable_operation): Try word_mode
103         vectorization if UNITS_PER_WORD == UNITS_PER_SIMD_WORD, even
104         if a vector mode is available.
105
106 2005-05-25  Roger Sayle  <roger@eyesopen.com>
107
108         PR middle-end/21709
109         * fold-const.c (const_binop): Check for division by zero during
110         complex division.
111
112 2005-05-26  Ian Lance Taylor  <ian@airs.com>
113
114         * reload1.c (verify_initial_elim_offsets): Add braces to avoid
115         having a declaration after a statement.
116
117 2005-05-26  Richard Sandiford  <rsandifo@redhat.com>
118
119         * opt-functions.awk (var_type): New function.
120         (var_set): Use CLVC_STRING if var_type returns "const char *".
121         * opth-gen.awk: Use var_type to find out the types of variables.
122         Don't print comments above each "extern" definition.
123         * optc-gen.awk: Use var_type in the same way.
124         * opts.h (cl_var_cond): Rename to...
125         (cl_var_type): ...this.  Add CLVC_STRING.
126         (cl_option): Make "flag_var" a "void *" pointer.  Replace "var_cond"
127         with "var_type".
128         * opts.c (handle_option, option_enabled): Update after above name
129         change.  Cast flag_var before using it.  Handle CLVC_STRING.
130         
131         * config/alpha/alpha.h (alpha_tls_size): Delete.
132         * config/alpha/alpha.c (alpha_tls_size, alpha_cpu_string)
133         (alpha_tune_string, alpha_tp_string, alpha_fprm_string)
134         (alpha_fptm_string, alpha_mlat_string): Delete.
135         (alpha_handle_option): Don't set the above variables here.  Use the
136         integer argument to check the validity of -mtls-size=.
137         * config/alpha/alpha.opt (mcpu=, mtune=, mfp-rounding-mode=)
138         (mfp-trap-mode=, mtrap-precision=, mmemory-latency=): Add Var()s.
139         (mtls-size=): Likewise.  Convert to a UInteger and initialize the
140         variable to 32.
141
142         * config/arc/arc.c (arc_cpu_string, arc_text_string)
143         (arc_data_string, arc_rodata_string): Delete.
144         (arc_handle_option): Don't set the above variables here.
145         * config/arc/arc.opt (mcpu=, mtext=, mdata=, mrodata=): Add Var()s
146         and initialize them.
147
148         * config/arm/arm.c (target_fpu_name, target_fpe_name)
149         (target_float_abi_name, target_abi_name, structure_size_string)
150         (arm_pic_register_string): Delete.
151         (arm_handle_option): Don't set the above variables here, except
152         in the handling of -mhard-float and -msoft-float.
153         * config/arm/arm.opt (mabi=, mfloat-abi=, mfp=, mfpe=, mfpu=)
154         (mpic-register=, mstructure-size-boundary=): Add Var()s.
155
156         * config/avr/avr.c (avr_init_stack, avr_mcu_name, TARGET_HANDLE_OPTION)
157         (avr_handle_option): Delete.
158         * config/avr/avr.opt (mmcu=, minit-stack=): Add Var()s and initialize
159         them.
160
161         * config/bfin/bfin.c (bfin_library_id): Delete.
162         (bfin_handle_option): Don't set it.
163         * config/bfin/bfin.opt (mshared-library-id=): Add Var().
164
165         * config/c4x/c4x.h (c4x_rpts_cycles): Delete.
166         * config/c4x/c4x.c (c4x_rpts_cycles): Delete.
167         (c4x_handle_option): Don't set c4x_rpts_cycles here.
168         * config/c4x/c4x.opt (mrpts=): Add Var().
169
170         * config/cris/aout.h (CRIS_SUBTARGET_HANDLE_OPTION): Don't set
171         cris_elinux_stacksize_str here.
172         * config/cris/aout.opt (melinux-stacksize=): Add Var().
173         * config/cris/cris.h (cris_max_stackframe_str, cris_cpu_str)
174         (cris_tune_str, cris_elinux_stacksize_str): Delete.
175         * config/cris/cris.c (cris_max_stackframe_str, cris_cpu_str)
176         (cris_tune_str, cris_elinux_stacksize_str): Delete.
177         (cris_handle_option): Don't set the above variables here.
178         * config/cris/cris.opt (mcpu=, march=, mtune=, mmax-stackframe=)
179         (max-stackframe=): Add Var()s.
180
181         * config/i386/i386.h (ix86_tune_string, ix86_arch_string): Delete.
182         * config/i386/i386.c (ix86_cmodel_string, ix86_asm_string)
183         (ix86_tls_dialect_string, ix86_tune_string, ix86_arch_string)
184         (ix86_fpmath_string, ix86_regparm_string, ix86_align_loops_string)
185         (ix86_align_jumps_string, ix86_preferred_stack_boundary_string)
186         (ix86_branch_cost_string, ix86_align_funcs_string): Delete.
187         (ix86_handle_option): Don't set the above variables here.
188         * config/i386/i386.opt (malign-functions=, malign-jumps=)
189         (malign-loops=, march=, masm=, mbranch-cost=, mcmodel=, mfpmath=)
190         (mpreferred-stack-boundary=, mregparm=, mtls-dialect=, mtune=): Add
191         Var()s.
192
193         * config/ia64/ia64.h (ia64_tls_size): Delete.
194         * config/ia64/ia64.c (ia64_tls_size): Delete.
195         (ia64_handle_option): Treat -mtls-size= as a UInteger option,
196         reading the integer argument from the "value" parameter.  Don't
197         set ia64_tls_size here.
198         * config/ia64/ia64.opt (mtls-size=): Turn into a UInteger option.
199         Add Var() and Init().
200
201         * config/m32r/m32r.h (m32r_cache_flush_func): Delete.
202         (m32r_cache_flush_trap): Delete.
203         * config/m32r/m32r.c (m32r_cache_flush_func): Delete.
204         (m32r_cache_flush_trap): Delete.
205         (m32r_handle_option): Don't set the above variables when handling
206         -mflush-func= and -mflush-trap=.
207         * config/m32r/m32r.opt (-mflush-func=, -mflush-trap=): Add Var()s
208         and Init()s.
209
210         * config/mips/mips.h (mips_cache_flush_func): Delete.
211         * config/mips/mips.c (mips_arch_string, mips_tune_string)
212         (mips_cache_flush_func): Delete.
213         (mips_handle_option): Don't set the above variables when handling
214         -march=, -mtune= and -mflush-func=.
215         * config/mips/mips.opt (march=, mflush-func=, mtune=): Add Var()s.
216
217         * config/s390/s390.c (s390_arch_string): Delete.
218         (s390_handle_option): Don't set it here.
219         * config/s390/s390.opt (march=): Add Var().
220
221         * config/sparc/sparc.h (sparc_cmodel_string): Delete.
222         * config/sparc/sparc.c (sparc_cmodel_string): Delete.
223         (sparc_handle_option): Don't set it here.
224         * config/sparc/sparc.opt (mcmodel=): Add Var().
225
226 2005-05-25  Roger Sayle  <roger@eyesopen.com>
227
228         * convert.c (convert_to_integer) <POINTER_TYPE>: Avoid recursive
229         call to convert_to_integer by building the NOP_EXPR directly.
230
231 2005-05-25  Richard Sandiford  <rsandifo@redhat.com>
232
233         * config/rs6000/rs6000.opt (mprioritize-restricted-insns=): Fix typo.
234
235 2005-05-25  Daniel Berlin  <dberlin@dberlin.org>
236             Jeff Law  <law@redhat.com>
237
238         * tree-cfg.c (verify_expr, case ADDR_EXPR): Verify invariant,
239         constant and side_effects of the ADDR_EXPR are consistent.
240
241         * tree-nested.c (convert_local_reference): Set CURRENT_FUNCTION_DECL
242         appropriately around calls to recompute_tree_invarant_for_addr_expr.
243
244 2005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>
245
246         * config/s390/s390.c (GP_ARG_NUM_REG, FP_ARG_NUM_REG): New defines.
247         (s390_function_arg, s390_gimplify_va_arg): Use them.
248         (s390_register_info): Save only required subset of argument
249         registers into save area for va_list.
250         (s390_va_start): Initialize only required elements of va_list struct.
251         (s390_build_builtin_va_list): Set va_list_[gf]pr_counter_field.
252
253 2005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>
254
255         * reload1.c (verify_initial_elim_offsets): Return boolean status
256         instead of aborting.
257         (reload): Adapt verify_initial_elim_offsets call site.  Restart
258         main loop if some initial elimination offsets changed.
259
260 2005-05-25  Adam Nemet  <anemet@lnxw.com>
261
262         * config/rs6000/lynx.h (CC1_SPEC): Use -maix-struct-return instead
263         of -mno-svr4-struct-return.
264
265 2005-05-25  Daniel Berlin  <dberlin@dberlin.org>
266
267         Fix PR tree-optimization/21705
268         
269         * tree-ssa-pre.c (in_fre): New static variable.
270         (create_value_expr_from): Recursively value number reference ops
271         in argument lists.
272         (can_value_number_call): Temporary restrict only exists for
273         PRE, not FRE.
274
275 2005-05-25  Kazu Hirata  <kazu@cs.umass.edu>
276
277         * tree-into-ssa.c (rewrite_into_ssa, update_ssa): Replace
278         sizeof (bitmap *) with sizeof (bitmap).
279
280 2005-05-25  Daniel Berlin <dberlin@dberlin.org>
281
282         * lambda-code.c (perfect_nestify): Call update_stmt on the exit
283         condition.
284
285 2005-05-25  Adrian Straetling  <straetling@de.ibm.com>
286
287         * config/s390/s390.c (TARGET_INSN_VALID_WITHIN_DOLOOP): Set to
288         hook_bool_rtx_true.
289
290 2005-05-25  Jan Hubicka  <jh@suse.cz>
291
292         * Makefile.in (ipa-inline.o): Add COEVERAGE_H dependency.
293         * cgraph.c (cgraph_create_node): Reset estimated_growth.
294         * cgraph.h (cgraph_global_info): Add estimated_growth.
295         * ipa-inline.c: Include coverage.h
296         (max_insns, max_count): New static variables.
297         (cgraph_estimate_size_after_inlining): Cache the result.
298         (cgraph_estimate_growth):
299         * passes.c (rest_of_clean_state): Kill coverage_end_function.
300         * timevar.def (TV_INLINE_HEURISTICS): New timevar.
301         * tree-optimize.c (init_tree_optimization_passes): Move profiling before
302         inlining.
303         (ipa_passes): Initialize bitmaps.
304
305 2005-05-25  Adrian Straetling  <straetling@de.ibm.com>
306
307         * loop-doloop.c: Include "target.h". 
308           (doloop_valid_p): Move tests to function in targhooks.c.
309         * target.h (struct gcc_target): New target hook
310           "insn_valid_within_doloop".
311         * target-def.h: Define default value for "insn_valid_within_doloop".
312           (TARGET_INITIALIZER): Insert new target hook into initializer.
313         * targhooks.c (default_insn_valid_within_doloop): New function.
314         * targhooks.h (default_insn_valid_within_doloop): Declare.
315         * hooks.c (hook_bool_rtx_true): New function.
316         * hooks.h (hook_bool_rtx_true): Declare.
317         * doc/tm.texi: Add documentation for new target hook.
318
319 2005-05-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
320
321         PR target/21412
322         * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): New macro
323         * config/sparc/sparc-protos.h (tls_symbolic_operand): Delete.
324         (sparc_tls_referenced_p): New prototype.
325         * config/sparc/sparc.c (tls_symbolic_operand): Delete.
326         (sparc_expand_move): Look for TLS addresses with constant offsets.
327         (legitimate_constant_p): Use SPARC_SYMBOL_REF_TLS_P instead of
328         tls_symbolic_operand.
329         (legitimate_pic_operand_p): Likewise.
330         (legitimate_address_p): Likewise.
331         (legitimize_address): Likewise.
332         (sparc_tls_symbol_ref_1): New function.
333         (sparc_tls_referenced_p): New function.
334         * config/sparc/predicates.md (tgd_symbolic_operand): Use
335         SYMBOL_REF_TLS_MODEL instead of tls_symbolic_operand.
336         (tld_symbolic_operand): Likewise.
337         (tie_symbolic_operand): Likewise.
338         (tle_symbolic_operand): Likewise.
339
340 2005-05-24  DJ Delorie  <dj@redhat.com>
341         
342         * common.opt (-Wattributes): New.  Default true.
343         * doc/invoke.texi (-Wno-attributes): Document.
344         
345         * attribs.c (decl_attributes): Move warning control from if() to
346         warning(OPT_*).
347         * c-common.c (handle_packed_attribute): Likewise.
348         (handle_nocommon_attribute): Likewise.
349         (handle_common_attribute): Likewise.
350         (handle_noreturn_attribute): Likewise.
351         (handle_noinline_attribute): Likewise.
352         (handle_always_inline_attribute): Likewise.
353         (handle_used_attribute): Likewise.
354         (handle_unused_attribute): Likewise.
355         (handle_const_attribute): Likewise.
356         (handle_transparent_union_attribute): Likewise.
357         (handle_constructor_attribute): Likewise.
358         (handle_destructor_attribute): Likewise.
359         (handle_mode_attribute): Likewise.
360         (handle_alias_attribute): Likewise.
361         (handle_visibility_attribute): Likewise.
362         (handle_tls_model_attribute): Likewise.
363         (handle_malloc_attribute): Likewise.
364         (handle_returns_twice_attribute): Likewise.
365         (handle_pure_attribute): Likewise.
366         (handle_deprecated_attribute): Likewise.
367         (handle_vector_size_attribute): Likewise.
368         (handle_nothrow_attribute): Likewise.
369         (handle_cleanup_attribute): Likewise.
370         (handle_warn_unused_result_attribute): Likewise.
371         (handle_sentinel_attribute): Likewise.
372         * c-decl.c (diagnose_mismatched_decls): Likewise.
373         (start_decl): Likewise.
374         (grokdeclarator): Likewise.
375         (start_function): Likewise.
376         * c-format.c (check_function_format): Likewise.
377         * stor-layout.c (place_field): Likewise.
378         (finalize_record_size): Likewise.
379         * tree.c (handle_dll_attribute)): Likewise.
380         * varasm.c (default_assemble_visibility): Likewise.
381         * config/darwin.c (darwin_handle_weak_import_attribute): Likewise.
382         (darwin_assemble_visibility): Likewise.
383         * config/arc/arc.c (arc_handle_interrupt_attribute): Likewise.
384         * config/arm/arm.c (arm_handle_fndecl_attribute): Likewise.
385         (arm_handle_isr_attribute): Likewise.
386         * config/avr/avr.c (avr_handle_progmem_attribute): Likewise.
387         (avr_handle_fndecl_attribute): Likewise.
388         * config/bfin/bfin.c (handle_int_attribute): Likewise.
389         * config/c4x/c4x.c (c4x_handle_fntype_attribute): Likewise.
390         * config/h8300/h8300.c (h8300_handle_fndecl_attribute): Likewise.
391         (h8300_handle_eightbit_data_attribute): Likewise.
392         (h8300_handle_tiny_data_attribute): Likewise.
393         * config/i386/i386.c (ix86_handle_cdecl_attribute): Likewise.
394         (ix86_handle_regparm_attribute): Likewise.
395         (ix86_handle_struct_attribute): Likewise.
396         * config/i386/winnt.c (ix86_handle_shared_attribute): Likewise.
397         (i386_pe_encode_section_info): Likewise.
398         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
399         * config/ip2k/ip2k.c (ip2k_handle_progmem_attribute): Likewise.
400         (ip2k_handle_fndecl_attribute): Likewise.
401         * config/m32r/m32r.c (m32r_handle_model_attribute): Likewise.
402         * config/m68hc11/m68hc11 (m68hc11_handle_page0_attribute): Likewise.
403         (m68hc11_handle_fntype_attribute): Likewise.
404         (m68hc11_encode_section_info): Likewise.
405         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
406         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
407         * config/ns32k/ns32k.c (ns32k_handle_fntype_attribute): Likewise.
408         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute): Likewise.
409         * config/sh/sh.c (sh_handle_interrupt_handler_attribute): Likewise.
410         (sh_handle_sp_switch_attribute): Likewise.
411         (sh_handle_trap_exit_attribute): Likewise.
412         * config/sh/symbian.c (sh_symbian_dllimport_p): Likewise.
413         (sh_symbian_handle_dll_attribute): Likewise.
414         * config/stormy16/stormy16.c (xstormy16_handle_interrupt_attribute): Likewise.
415         (xstormy16_handle_below100_attribute): Likewise.
416         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
417
418         * c-common.c (unsigned_conversion_warning): Move warning control
419         from if() to warning(OPT_*).
420         (c_common_truthvalue_conversion): Likewise.
421         (c_do_switch_warnings): Likewise.
422         * c-decl.c (diagnose_mismatched_decls): Likewise.
423         (diagnose_mismatched_decls): Likewise.
424         (define_label): Likewise.
425         (grokdeclarator): Likewise.
426         * c-format.c (check_format_info): Likewise.
427         * c-lex.c (interpret_integer): Likwise.
428         (lex_string): Likewise.
429         * c-opts.c (c_common_post_options): Likewise.
430         * c-parser.c (c_parser_unary_expression): Likewise.
431         * c-pragma.c (handle_pragma_redefine_extname): Likewise.
432         (handle_pragma_extern_prefix): Likewise.
433         * c-typeck.c (build_binary_op): Likewise.
434         * gcse.c (is_too_expensive): Likewise.
435         * opts.c (decode_options): Likewise.
436         * stor-layout.c (place_field): Likewise.
437         * tree-cfg.c (remove_bb): Likewise.
438
439         * c.opt (-Wreturn-type): Add Var(warn_return_type).
440         * flags.h (warn_return_type): Remove.
441         * toplev.c (warn_return_type): Likewise.
442
443 2005-05-24  Kelley Cook  <kcook@gcc.gnu.org>
444
445         * configure.ac: Don't use gcc_AC_C_LONG_LONG.  Check for
446         existence of long long and __int64 before determining their size.
447         * aclocal.m4: Delete gcc_AC_C_LONG_LONG.
448         * configure, config.h.in:  Regenerate.
449
450 2005-05-24  Kelley Cook  <kcook@gcc.gnu.org>
451
452         * configure: Regenerate.
453
454 2005-05-24  Ziemowit Laski  <zlaski@apple.com>
455
456         * c-common.h (objc_comptypes): Remove prototype.
457         (objc_compare_types): New prototype.
458         (objc_volatilized_decl): Likewise.
459         (objc_type_quals_match): Likewise.
460         * c-decl.c (objc_mark_locals_volatile): Streamline by calling
461         objc_volatilize_decl().
462         * c-typeck.c (comp_target_types): Remove third parameter; do
463         not call objc_comptypes().
464         (comptypes): Remove calls to objc_comptypes().
465         (build_function_call): Extend compatible prototype check to ObjC.
466         (build_conditional_expr): Adjust call to comp_target_types().
467         (convert_for_assignment): Call objc_compare_types() instead of
468         objc_comptypes(); adjust calls to comp_target_types(); call
469         objc_type_quals_match() before issuing qualifier mismatch
470         warnings.
471         (build_binary_op): Call objc_compare_types() before issuing
472         pointer mismatch warnings; adjust calls to
473         comp_target_types().
474         * stub-objc.c (objc_comptypes): Remove stub.
475         (objc_compare_types): New stub.
476         (objc_volatilized_decl): Likewise.
477         (objc_type_quals_match): Likewise.
478
479 2005-05-24  Paolo Carlini  <pcarlini@suse.de>
480
481         * config/ia64/ia64intrin.h: Define nothing for C++:
482         overloaded builtins have been ported to C++.
483
484 2005-05-24  Jeff Law  <law@redhat.com>
485
486         * tree-nested.c (build_addr): New "context" argument.  Temporarily
487         set current_function_decl around the call to build the ADDR_EXPR.
488         (get_static_chain): Pass proper context to build_addr.
489         (convert_nl_goto_reference): Likewise.
490         (convert_tramp_reference): Likewise.
491         (final_nesting_tree_1): Likewise.
492         * tree-profile.c (tree_gen_interval_profiler): Likewise.
493         (tree_gen_pow2_profiler): Likewise.
494         (tree_gen_one_value_profiler): Likewise.
495         * tree-ssa-loop-ivopts.c (build_addr_strip_iref): Likewise.
496         * tree.h (build_addr): Update prototype.
497
498 2005-05-24  Kazu Hirata  <kazu@cs.umass.edu>
499
500         * tree-flow.h (bb_ann_d): Remove has_escape_site.
501         * tree-ssa-alias.c (compute_points_to_addr_escape): Don't
502         write to has_escape_site.
503
504 2005-05-24  Jeff Law  <law@redhat.com>
505
506         * Makefile.in (tree-cfg.o): Depend on tree-ssa-propagate.h.
507         * tree-cfg.c: Include tree-ssa-propagate.h.
508         (replace_uses_by): Call recompute_tree_invarant_for_addr_expr as
509         needed.
510
511 2005-05-24  Nick Clifton  <nickc@redhat.com>
512
513         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
514         __NO_FPRS__ when 'f' class registers will not be available. 
515
516 2005-05-24  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
517
518         * config/m32r/m32r.c (m32r_expand_block_move):  Return 0 if
519         nothing was done.
520         * config/m32r/m32r.md (movmemsi):  If m32r_expand_block_move did
521         nothing then FAIL.
522         * config/m32r/m32r/m32r-protos.h  (m32r_expand_block_move): Update
523         prototype.
524
525 2005-05-23  Jeff Law  <law@redhat.com>
526
527         * tree-ssa-dom.c (cprop_into_stmt): Do not call
528         recompute_tree_invariant_for_addr_expr here.
529         (optimize_stmt): Call it here instead and do so if anything
530         at all has changed in the statement and the RHS is an ADDR_EXPR.
531         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): If
532         needed, call recompute_tree_invariant_for_addr_expr.
533         * tree-ssa-propagate.c (substitute_and_fold): Call
534         recompute_tree_invariant_for_addr_expr as needed.
535
536 2005-05-23  Andreas Krebbel  <krebbel1@de.ibm.com>
537
538         * config/s390/s390.c (s390_optimize_prologue): Don't replace an insn
539         saving less registers than the replacement.
540
541 2005-05-23  Jan Hubicka  <jh@suse.cz>
542
543         * tree-flow.h (stmt_ann_d): Kill GTY ((skip)) mark on BB.
544
545 2005-05-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
546
547         * config/sparc/sparc-protos.h (sparc_expand_move): New prototype.
548         * config/sparc/sparc.c (sparc_expand_move): New function.
549         (sparc_emit_set_const64): Rewrite assert condition on entry.
550         (legitimate_constant_p) <CONST_VECTOR>: New case.
551         (legitimize_pic_address): Use TARGET_ARCH64 to select the mode.
552         * config/sparc/sparc.md (movqi, movhi, movsi, movdi, movV32,
553         movV64, movtf): Use nonimmediate_operand for the first operand.
554         Rewrite.  Only invoke sparc_expand_move.
555         * config/sparc/predicates.md (input_operand): Reorder tests.
556
557 2005-05-23  Jan Beulich  <jbeulich@novell.com>
558
559         * gthr-posix.h (__gthread_recursive_mutex_init_function): Add
560         missing return statement.
561
562 2005-05-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
563
564         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Use
565         emit_move_insn for moves to TFmode stack slots.
566
567 2005-05-21  Richard Guenther  <rguenth@gcc.gnu.org>
568
569         * tree-stdarg.c (execute_optimize_stdarg): Handle references
570         to va_list of the form &va[0].
571
572 2005-05-20  Jan Hubicka  <jh@suse.cz>
573
574         * Makefile.in (insn-emit.o): Add basic-block.h dependency.
575         * genemit.c (main): Make insn-emit to include basic-block.h too.
576
577 2005-05-20  Jan Hubicka  <jh@suse.cz>
578
579         * cgraphunit.c (cgraph_expand_function): Force function being lowered.
580
581 2005-05-19  Richard Henderson  <rth@redhat.com>
582
583         * config/alpha/alpha.c (emit_unlikely_jump, emit_load_locked,
584         emit_store_conditional): Split out from ...
585         (alpha_split_atomic_op): ... here.
586         (alpha_split_compare_and_swap): New; extract from .md file.
587         (alpha_split_lock_test_and_set): Likewise.
588         * config/alpha/alpha-protos.h: Update.
589         * config/alpha/sync.md (sync_compare_and_swap<I48MODE>): Move
590         split code into alpha.c.
591         (sync_lock_test_and_set<I48MODE>): Likewise.
592
593 2005-05-19  Richard Henderson  <rth@redhat.com>
594
595         * unwind.h, unwind-pe.h: Revert gcc_unreachable change of 05-17.
596
597 2005-05-19  Richard Henderson  <rth@redhat.com>
598
599         * config/i386/sse.md (mulv4si3): Use all register inputs.
600         (mulv2di3): Likewise.
601
602 2005-05-19  Richard Guenther  <rguenth@gcc.gnu.org>
603
604         * tree-ssa-loop-ivopts.c (determine_base_object): Use
605         build_fold_addr_expr to generate trees of correct type.
606         Use fold_buildN if possible.
607
608 2005-05-19  Jan Hubicka  <jh@suse.cz>
609
610         * basic-block.h (REG_BR_PROB_BASE): Define.
611         * cgraph.c (cgraph_create_edge): Initialize loop_nest and count.
612         (dump_cgraph_node): Dump count.
613         (cgraph_clone_edge): Rescale counts.
614         (cgraph_clone_node): Likewise.
615         * cgraph.h: Include basic-block.h
616         (cgraph_node): Add count.
617         (cgraph_edge): Add count and loop_nest.
618         (cgraph_node, cgraph_edge, cgraph_clone_edge, cgraph_clone_node):
619         Update prototypes.
620         * cgraphunit.c: Kill now redundant inlining comment.
621         (cgraph_create_edges): Make static, maintain current basic block;
622         fix pasto.
623         (record_call_1): Fill in new fields.
624         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
625         cgraph_clone_node.
626         (cgraph_decide_recursive_inlining): Likewise.
627         * rtl.h (REG_BR_PROB_BASE): Kill.
628         * tree-inline.c (copy_body_r): Update call of cgraph_clone_edge.
629         (expand_call_inline): Update call of cgraph_create_edge.
630         * tree-optimize.c (tree_rest_of_compilation): Likewise.
631
632 2005-05-19  Nick Clifton  <nickc@redhat.com>
633
634         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use the
635         new rs6000_explicit_options structure.
636
637 2005-05-19  Richard Henderson  <rth@redhat.com>
638
639         PR target/21390
640         * config/alpha/alpha.c (alpha_emit_conditional_branch): Move 
641         TFmode code swapping ...
642         (alpha_emit_xfloating_compare): ... here.
643         (alpha_emit_setcc): Update to match.
644         (alpha_lookup_xfloating_lib_func): Assert TARGET_HAS_XFLOATING_LIBS.
645
646 2005-05-19  Richard Henderson  <rth@redhat.com>
647
648         PR target/21657
649         * config/ia64/ia64.c (ia64_expand_tls_address): Remove extra
650         memory indirection in local-dynamic case.
651
652 2005-05-18  Jie Zhang  <jie.zhang@analog.com>
653             Bernd Schmidt  <bernd.schmidt@analog.com>
654
655         * config/bfin/bfin.c (branch_dest): Add comment why it's
656         necessary.
657         * config/bfin/bfin.md (attr "length" default): Change the offset of
658         forward conditional branch of length 4 from 4096 to 4092.
659
660 2005-05-19  Jan Beulich  <jbeulich@novell.com>
661
662         * unwind-compat.c: Include tconfig.h and tsystem.h.
663         * unwind-dw2-fde-compat.c: Likewise.
664
665 2005-05-18  Richard Henderson  <rth@redhat.com>
666
667         PR 21541
668         * ifcvt.c (noce_process_if_block): Avoid conversion when the
669         memory destination is readonly.
670
671 2005-05-18  Richard Henderson  <rth@redhat.com>
672
673         PR 21541
674         * tree-ssa-operands.c (opf_non_specific): New.
675         (get_asm_expr_operands): Set it.
676         (add_call_clobber_ops, add_call_read_ops): Likewise.
677         (add_stmt_operand): Test it instead of opf_kill_def when
678         considering unmodifiable variables.
679
680         * tree-ssa-operands.c (get_expr_operands): Fix exact test.
681
682 2005-05-19  Kazu Hirata  <kazu@cs.umass.edu>
683
684         * cfgexpand.c, tree-cfg.c, tree-inline.c, tree-optimize.c,
685         tree-ssa-forwprop.c: Fix comment typos.
686         * doc/invoke.texi: Fix a typo.
687
688 2005-05-18  Richard Henderson  <rth@redhat.com>
689
690         * config.gcc (powerpc-*-linux*): Include linux64.opt when
691         including linux64.h.
692
693 2005-05-18  Richard Henderson  <rth@redhat.com>
694
695         * tree-cfg.c (pass_remove_useless): Revert last change.
696         * tree-optimize.c (init_tree_optimization_passes): Initialize
697         all_lowering_passes with PROP_gimple_any.
698
699 2005-05-18  Devang Patel  <dpatel@apple.com>
700
701         * config/rs6000/rs6000.md (insvsi_internal1): Subtract shift from
702         the mask end.
703         
704 2005-05-18  Richard Henderson  <rth@redhat.com>
705
706         * tree-ssa-forwprop.c (cfg_changed): New.
707         (tidy_after_forward_propagate_addr): New.
708         (forward_propagate_addr_expr): Use it, and fold_stmt_inplace.
709         (forward_propagate_addr_into_variable_array_index): Likewise.
710         (tree_ssa_forward_propagate_single_use_vars): Cleanup cfg if
711         edges were removed.
712
713 2005-05-18  Geoffrey Keating  <geoffk@apple.com>
714
715         * dummy-checksum.c: New.
716         * genchecksum.c: New.
717         * c.opt (print_pch_checksum): New flag.
718         * c-pch.c (struct c_pch_validity): Make much shorter.
719         (no_checksum): New.
720         (host_machine): Remove.
721         (target_machine): Remove.
722         (get_ident): Change PCH version number.
723         (pch_init): When -fverbose-asm, print out the compiler fingerprint.
724         Don't put triplets or version string in PCH validity data.
725         Do put the compiler checksum in the validity data.
726         (c_common_valid_pch): Don't check triplets or version string.  Do
727         check checksum.
728         (c_common_print_pch_checksum): New.
729         * c-opts.c (c_common_handle_option): Add OPT_print_pch_checksum.
730         Print fingerprint with -v.
731         * c-common.h (c_common_print_pch_checksum): New.
732         (executable_checksum): New.
733         * Makefile.in (STAGEMOVESTUFF): Add cc1*-dummy, *-checksum.c.
734         (cc1-dummy): New rule.
735         (cc1-checksum.c): New rule.
736         (cc1-checksum.o): New rule.
737         (cc1): Add checksum support.
738         (build/genchecksum): New.
739         (build/genchecksum.o): New.
740         (dummy-checksum.o): New.
741         (genobjnames): Add genchecksum.o.
742         (mostlyclean): Remove *-checksum.c.
743         (gnucompare): Add libgcc to list of directories checked.
744         Make comparison problems in libgcc/ and with checksum files only
745         be warnings.
746         * doc/invoke.texi (Precompiled Headers): Remove caution.
747         Document that it must be the exact same binary.  Add a few
748         known-safe flags to the list.
749
750         * rs6000/predicates.md (fix_trunc_dest_operand): New.
751         * rs6000/rs6000.md (fix_truncdfsi2): Use fix_trunc_dest_operand.
752         Check that a memory operand is valid before trying to use it.
753         
754         * tree-cfg.c (pass_remove_useless): This pass works on trees.
755
756 2005-05-18  Richard Guenther  <rguenth@gcc.gnu.org>
757
758         * tree.c (build1_stat): Don't try to handle two-operand
759         tree codes.
760
761 2005-05-18  Richard Sandiford  <rsandifo@redhat.com>
762
763         * config.gcc (sh*-*-*): Define SUPPORT_* macros to 1.
764         * config/sh/sh.h: Update mask names throughout.
765         (target_flags, ISIZE_BIT, DALIGN_BIT, SH1_BIT, SH2_BIT, SH3_BIT)
766         (SH_E_BIT, HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, SH4A_BIT, FMOVD_BIT)
767         (SH5_BIT, SPACE_BIT, BIGTABLE_BIT, RELAX_BIT, USERMODE_BIT)
768         (HITACHI_BIT, NOMACSAVE_BIT, PREFERGOT_BIT, PADSTRUCT_BIT)
769         (LITTLE_ENDIAN_BIT, IEEE_BIT, SAVE_ALL_TR_BIT, HARD_SH2A_BIT)
770         (HARD_SH2A_DOUBLE_BIT, INDEXED_ADDRESS_BIT, PT_FIXED_BIT)
771         (INVALID_SYMBOLS_BIT, ADJUST_UNROLL_BIT, TARGET_DUMPISIZE)
772         (TARGET_ALIGN_DOUBLE, TARGET_SH1, TARGET_SH2, TARGET_SH3)
773         (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH5, TARGET_FMOVD)
774         (TARGET_IEEE, TARGET_SMALLCODE, TARGET_BIGTABLE, TARGET_RELAX)
775         (TARGET_HITACHI, TARGET_NOMACSAVE, TARGET_PADSTRUCT)
776         (TARGET_LITTLE_ENDIAN, TARGET_USERMODE, TARGET_PREFERGOT)
777         (TARGET_SAVE_ALL_TARGET_REGS, TARGET_ALLOW_INDEXED_ADDRESS)
778         (TARGET_PT_FIXED, TARGET_INVALID_SYMBOLS, TARGET_ADJUST_UNROLL)
779         (TARGET_SWITCH_SH1, TARGET_SWITCH_SH2, TARGET_SWITCH_SH2E)
780         (TARGET_SWITCH_SH2A, TARGET_SWITCH_SH2A_SINGLE_ONLY)
781         (TARGET_SWITCH_SH2A_SINGLE, TARGET_SWITCH_SH2A_NOFPU)
782         (TARGET_SWITCH_SH3, TARGET_SWITCH_SH3E, TARGET_SWITCH_SH4_SINGLE_ONLY)
783         (TARGET_SWITCH_SH4_SINGLE, TARGET_SWITCH_SH4_NOFPU, TARGET_SWITCH_SH4)
784         (TARGET_SWITCH_SH4A, TARGET_SWITCH_SH4A_SINGLE_ONLY)
785         (TARGET_SWITCH_SH4A_SINGLE, TARGET_SWITCH_SH4A_NOFPU)
786         (TARGET_SWITCH_SH4AL, TARGET_SWITCH_SH5_64MEDIA)
787         (TARGET_SWITCH_SH5_64MEDIA_NOFPU, TARGET_SWITCHES_SH5_32MEDIA)
788         (TARGET_SWITCHES_SH5_32MEDIA_NOFPU, TARGET_SWITCH_SH5_32_ANY_EXTRA)
789         (TARGET_SWITCH_SH5_MEDIA_ANY_EXTRA, TARGET_SWITCHES)
790         (SUBTARGET_SWITCHES): Delete.
791         (TARGET_SH2E, TARGET_SH2A, TARGET_SH2A_SINGLE, TARGET_SH2A_DOUBLE)
792         (TARGET_SH3E, TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARVARD)
793         (TARGET_FPU_DOUBLE, TARGET_SH4A_ARCH, TARGET_SHMEDIA32)
794         (TARGET_SHMEDIA64): Redefine using other TARGET_* macros.
795         (TARGET_SH4): Undefine options.h definition and check MASK_SH1 as well.
796         (SUPPORT_SH1, SUPPORT_SH2E, SUPPORT_SH4, SUPPORT_SH4_SINGLE)
797         (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Make numeric.
798         (SUPPORT_SH2): Define to 1 if SUPPORT_SH1.
799         (SUPPORT_SH3): Likewise SUPPORT_SH2.
800         (SUPPORT_SH4_NOFPU): Likewise SUPPORT_SH3.
801         (SUPPORT_SH4A_NOFPU, SUPPORT_SH4AL, SUPPORT_SH2A_NOFPU): Likewise
802         SUPPORT_SH4_NOFPU.
803         (SUPPORT_SH3E): Likewise SUPPORT_SH2E.
804         (SUPPORT_SH4_SINGLE_ONLY, SUPPORT_SH4A_SINGLE_ONLY)
805         (SUPPORT_SH2A_SINGLE_ONLY): Likewise SUPPORT_SH3E.
806         (SUPPORT_SH4A): Likewise SUPPORT_SH4.
807         (SUPPORT_SH4A_SINGLE): Likewise SUPPORT_SH4_SINGLE.
808         (SUPPORT_SH5_32MEDIA): Likewise SUPPORT_SH5_COMPACT.
809         (SUPPORT_SH5_32MEDIA_NOFPU): Likewise SUPPORT_SH5_COMPACT_NOFPU.
810         (SUPPORT_ANY_SH5_32MEDIA, SUPPORT_ANY_SH5_64MEDIA)
811         (SUPPORT_ANY_SH5): New macros.
812         (TARGET_NONE): Replace with...
813         (MASK_ARCH): ...this new macro.
814         * config/sh/elf.h: Update mask names
815         * config/sh/linux.h: Likewise.
816         * config/sh/little.h: Likewise.
817         * config/sh/netbsd-elf.h: Likewise.
818         * config/sh/symbian-pre.h: Likewise.
819         * config/sh/sh.c (sh_handle_option): New function.
820         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
821         (calc_live_regs): Use MASK_FPU_SINGLE instead of FPU_SINGLE_BIT.
822         (sh_target_switches, target_switches): Delete.
823         (sh_pch_valid_p): Check for specific differences in the target_flags
824         settings.
825         (sh_init_cumulative_args): Use MASK_HITACHI instead of HITACHI_BIT.
826         * config/sh/sh.opt: New file.
827
828 2005-05-18  Richard Henderson  <rth@redhat.com>
829
830         PR target/21632
831         * config/ia64/ia64.c (ia64_extra_constraint) <'T'>: Use
832         small_addr_symbolic_operand.
833
834 2005-05-18  Jeff Law  <law@redhat.com>
835
836         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
837         propagate an ADDR_EXPR if the definition and use sites are
838         in different EH regions.
839
840 2005-05-18  Ian Lance Taylor  <ian@airs.com>
841
842         * read-rtl.c (mode_attr_index): Use obstack_grow0, not
843         obstack_grow.
844
845 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
846
847         * cfgrtl.c (purge_dead_edges): Don't remove fake edges.
848
849 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
850         
851         Fix PR tree-optimization/21407
852
853         * tree-ssa-operands.c (note_addressable): Change
854         COMPONENT_REF handling in response to aliasing
855         discussion.
856
857 2005-05-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
858
859         * config/sparc/sol2.h (TARGET_DEFAULT): Add back MASK_APP_REGS.
860         * config/sparc/sol2-64.h (TARGET_DEFAULT): Likewise.
861         * config/sparc/sp-elf.h (TARGET_DEFAULT): Delete.
862         * doc/invoke.texi (SPARC options): Document that -mapp-regs is
863         the default on Solaris too.
864
865 2005-05-17  Daniel Berlin  <dberlin@dberlin.org>
866
867         * tree-ssa-pre.c (find_or_generate_expression): CALL_EXPR
868         is okay too.
869
870 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
871
872         * timevar.def (TV_SCEV_CONST): New timevar.
873         * tree-optimize.c (init_tree_optimization_passes): Add
874         pass_scev_cprop.
875         * tree-pass.h (pass_scev_cprop): Declare.
876         * tree-scalar-evolution.c (scev_const_prop): New function.
877         * tree-scalar-evolution.h (scev_const_prop): Declare.
878         * tree-ssa-loop.c (gate_scev_const_prop, pass_scev_cprop):
879         New.
880         * tree-cfg.c (replace_uses_by): Export.
881         * tree-flow.h (replace_uses_by): Declare.
882
883 2005-05-17  Ziemowit Laski  <zlaski@apple.com>
884             Mike Stump  <mrs@apple.com>
885
886         Yet more Objective-C++...
887
888         * c-common.h (objc_finish_try_stmt): Add.
889         (objc_build_synchronized): Add.
890         (objc_generate_write_barrier): Add.
891         * stub-objc.c (objc_build_synchronized): Add return value.
892         (objc_finish_try_stmt): Likewise.
893         (objc_generate_write_barrier): Add.
894
895         * c-common.h (objc_rewrite_function_call): Add.
896         * c-typeck.c (build_function_call): Allow objc to rewrite
897         FUNCTION_DECLs.
898         (build_modify_expr): Allow objc to generate write barriers.
899         * c.opt (Wassign-intercept): Add.
900         (Wstrict-selector-match): Add.
901         (fobjc-call-cxx-cdtors): Add.
902         (fobjc-direct-dispatch): Add.
903         (fobjc-gc): Add.
904         * dbxout.c (get_lang_number): Add Objective-C++ support.
905         * doc/invoke.texi (-fobjc-call-cxx-cdtors): Likewise.
906         (-Wstrict-selector-match): Likewise.
907         (-fobjc-direct-dispatch): Likewise.
908         (-Wassign-intercept): Likewise.
909         (Overall Options): Likewise.
910         * gengtype.c (get_output_file_with_visibility): Likewise.
911         * stub-objc.c (objc_rewrite_function_call): Add.
912         * config/darwin.h (ASM_OUTPUT_LABELREF): Improved quoting support.
913
914         * c-common.c (flag_objc_exceptions): Remove.
915         (flag_objc_sjlj_exceptions): Remove.
916         * c-decl.c (objc_mark_locals_volatile): Don't change decls
917         that are already ok.
918         * c-opts.c (c_common_handle_option, case
919         OPT_fobjc_exceptions): Remove.
920         (case OPT_fobjc_sjlj_exceptions): Remove
921         * c.opt (fobjc-call-cxx-cdtors): Have opt create the flag.
922         (fobjc-exceptions): Likewise.
923         (fobjc-sjlj-exceptions): Likewise.
924         * config/rs6000/darwin.h (OFFS_MSGSEND_FAST): Add.
925         (OFFS_ASSIGNIVAR_FAST): Add.
926         
927 2005-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
928
929         * config/sparc/sparc.md (movhi): Do not test constness
930         of operand #1 twice.
931         (movsi): Likewise.
932         (movdi): Unconditionally accept zero as second operand
933         when the first is memory.
934         (movdi_insn_sp32): Handle above case.
935         (DImode splitter): Use predicates.
936         (DImode splitter): Use const_zero_operand predicate.
937         (movsf_insn): Swap 2 alternatives.
938
939 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
940
941         * tree-ssa-loop-ivopts.c (find_bivs, find_givs_in_stmt_scev): Apply
942         expand_simple_operations to bases of the ivs.
943         (tree_int_cst_sign_bit): Export.
944         * tree-flow.h (expand_simple_operations): Declare.
945         * tree-ssa-loop-niter.c (number_of_iterations_cond): Use
946         tree_int_cst_sign_bit.
947         (expand_simple_operations): Export.
948         * tree.h (tree_int_cst_sign_bit): Declare.
949
950 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
951
952         * tree-cfg.c (tree_can_merge_blocks_p): Allow phi nodes in the
953         merged block.
954         (replace_uses_by): New function.
955         (tree_merge_blocks): Eliminate the phi nodes in the merged block.
956         * tree-flow.h (fold_stmt_inplace): Declare.
957         * tree-ssa-ccp.c (fold_stmt_inplace): New function.
958         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update dominance
959         info after cfg cleanup.
960
961 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
962
963         * cfgloop.h (just_once_each_iteration_p): Declaration changed.
964         * cfgloopanal.c (just_once_each_iteration_p): Make the loop argument
965         const.
966
967 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
968
969         * ggc-page.c (ggc_alloc_stat): Record amount of memory allocated.
970         * ggc-zone.c (ggc_alloc_zone_1): Ditto.
971         * timevar.c (timevar_ggc_mem_total): New variable.
972         (GGC_MEM_BOUND): New constant.
973         (get_time): Record ggc memory status.
974         (timevar_accumulate): Accumulate amount of ggc memory.
975         (timevar_print): Print consumption of ggc memory.
976         * timevar.def (TV_FIND_REFERENCED_VARS, TV_TREE_REDPHI,
977         TV_TREE_LOOP_BOUNDS, TV_TREE_LOOP_IVCANON, TV_TREE_VECTORIZATION,
978         TV_TREE_LINEAR_TRANSFORM): Shorten strings to fit in 22 characters.
979         * timevar.h (struct timevar_time_def): Add ggc_mem field.
980         (timevar_ggc_mem_total): Declare.
981
982 2005-05-17  Kazu Hirata  <kazu@cs.umass.edu>
983
984         * tree-into-ssa.c (update_ssa): Clean up by shortening the
985         live range of DFS.
986
987 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
988
989         * config/cris/cris.md (ncond, ocode, rcond): Remove separate
990         define_code_attr.
991         ("b<ncond:code>", "b<ocond:code>", "b<rcond:code>")
992         ("*b<ncond:code>_reversed", "*b<ocond:code>_reversed")
993         ("*b<rcond:code>_reversed", "s<ncond:code>", "s<rcond:code>")
994         ("s<ocond:code>"): Rename from respectively "b<ncond>",
995         "b<ocond>", "b<rcond>", ("*b<ncond>_reversed",
996         "*b<ocond>_reversed", "*b<rcond>_reversed", "s<ncond>",
997         "s<rcond>" and "s<ocond>".
998         ("b<ocond:code>", "*b<ocond:code>_reversed")
999         ("*b<rcond:code>_reversed"): Remove extraneous backslashes in
1000         output statement section.
1001
1002 2005-05-17  Roger Sayle  <roger@eyesopen.com>
1003
1004         * c-typeck.c (common_type): Also handle BOOLEAN_TYPEs.
1005
1006 2005-05-17  Steven Bosscher  <stevenb@suse.de>
1007             Stuart Hastings <stuart@apple.com>
1008             Jan Hubicka  <jh@suse.cz>
1009             Dale Johannesen  <dalej@apple.com>
1010
1011         * cgraph.h (cgraph_node): Add 'lowered' state.
1012         (cgraph_lower_function): Declare.
1013         * cgraphunit.c (cgraph_finalize_function): Initialize lowered flag.
1014         (cgraph_lower_function): New function.
1015         (cgraph_create_edges): Deal with lowered function bodies.
1016         (verify_cgraph_node): Likewise.
1017         (cgraph_analyze_function): Do lowering job.
1018         (cgraph_build_static_cdtor): Likewise.
1019         * function.h (struct function): Add saved_eh and saved_cfg.
1020         * integrate.c (copy_decl_for_inlining): Kill LABEL_DECL_UID field.
1021         * tree-cfg.c (fold_cond_expr_cond): Export.
1022         * tree-flow.h (fold_cond_expr_cond): Declare.
1023         * tree-inline.c: Include basic-block, ggc, tree-flow, except.h and
1024         pointer-set.
1025         (struct_inline_data): Kill fnd, first_inlined_fn, ret_label,
1026         in_target_cleanup_p, tree_pruner, tsi; add callee, caller and
1027         callee_cfun, block, eh_region, eh_region_offset.
1028         (inlining_p): New predicate.
1029         (remap_decl): Update for new inline_data; declare newly created inline
1030         vars in low gimple way.
1031         (copy_body_r): Update for new datastructure, simplify some of handling
1032         when we are in gimple; remap LABEL_DECLs for EH; copy TREE_BLOCK;
1033         deal with RESX_EXPRs.
1034         (copy_bb): New.
1035         (copy_edges_for_bb): Likewise.
1036         (remap_decl_1): New.
1037         (copy_cfg_body): New.
1038         (copy_generic_body): Rewrite to work on low gimple.
1039         (copy_body): Turn into simple wrapper around copy_cfg_body.
1040         (setup_one_parameter): Insert new statements into given basic block.
1041         (initialize_initialized_parameters): Likewise, reorganize way things are
1042         gimplified.
1043         (declare_return_variable): Update for new inline data datastructure.
1044         (inline_forbidden_p): Work on low gimple.
1045         (estimate_num_insns): Likewise.
1046         (expand_call_inline): Work on CFG.
1047         (push_cfun, pop_cfun): New functions.
1048         (cfun_stack): New stack.
1049         (add_lexical_block): New function.
1050         (gimple_expand_calls_inline): Work on basic block.
1051         (optimize_inline_calls): Likewise.
1052         (clone_body, save_body, unsave_ewpr_now): Update for new
1053         datastructures.
1054         (declare_inline_vars): Work on block instead of bind_expr.
1055         (inlining_p): New predicate.
1056         * tree-inline.h (push_cfun, pop_cfun): Declare.
1057         * tree-optimize.c: Include except.h
1058         (all_lowering_passes): New variable.
1059         (execute_fixup_cfg, pass_fixup_cfg): New pass.
1060         (init_tree_optimization_passes): Move some to all_lowering_passes.
1061         (tree_lowering_passes): New function.
1062         (tree_rest_of_compilation): Register cfg hooks; save/unsave eh.
1063         * tree-pass.h (tree_lowering_passes): Declare
1064
1065 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
1066
1067         * unwind-dw2-fde-darwin.c: Include tsystem.h.
1068
1069 2005-05-17  Jeff Law  <law@redhat.com>
1070
1071         * Makefile.in (tree-ssa-forwprop.o): Depend on langhooks.h.
1072         * tree-ssa-forwprop.c: Include langhooks.h.
1073         (forward_propagate_addr_expr_into_variable_array_index): New.
1074         (forward_propagate_addr_expr): New.
1075         (tree_ssa_forward_propagate_single_use_vars): Loop over all
1076         the statements in the block instead of just the last statement.
1077         Call forward_propagate_addr_expr as needed.
1078         (pass_forwprop): Update the SSA graph after forward propagation is
1079         complete.
1080
1081 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
1082
1083         * unwind-dw2-fde-glibc.c (base_from_cb_data,
1084         _Unwind_IteratePhdrCallback): Use gcc_assert and gcc_unreachable as
1085         appropriate.
1086         * unwind-dw2-fde.c (__deregister_frame_info_bases,
1087         base_from_object, fde_split, end_fde_sort): Likewise.
1088         * unwind-dw2.c (_Unwind_GetGR, _Unwind_SetGR, execute_stack_op, 
1089         execute_cfa_program, _Unwind_SetSpColumn, uw_update_context_1,
1090         uw_init_context_1): Likewise.
1091         * unwind.inc (_Unwind_RaiseException_Phase2, _Unwind_Resume,
1092         _Unwind_Resume_or_Rethrow): Likewise.
1093         * unwind-pe.h (__gxx_abort): Do not define.
1094         (size_of_encoded_value, base_of_encoded_value,
1095         read_encoded_value_with_base): Use gcc_unreachable.
1096         * unwind.h (_Unwind_GetTextRelBase): Likewise.
1097
1098 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
1099
1100         * config/arm/lib1funcs.asm (cfi_pop, cfi_push, cfi_start)
1101         (cfi_end): New macros.
1102         (RETLDM): Use cfi_pop.  Expect an eight byte stack frame.
1103         (ARM_LDIV0, THUMB_LDIV0, DIV_FUNC_END): Use CFI macros.  Create
1104         an eight byte stack frame.
1105         (__NR_tkill): Define.
1106         (__div0): Use gettid tkill on GNU/Linux.
1107         (_arm_return): Add CFI.
1108         (Lchange_\register, .Lchange_lr): Create an eight byte stack frame.
1109
1110 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
1111
1112         * configure.ac: Remove spaces around assignment to
1113         gcc_cv_ld_sysroot.
1114         * configure: Regenerated.
1115
1116 2005-05-17  David Edelsohn  <edelsohn@gnu.org>
1117
1118         * config/rs6000/aix.h (TARGET_ALTIVEC_VRSAVE): Delete.
1119         * config/rs6000/rs6000.c (rs6000_explicit_options): Add
1120         aix_struct_ret.
1121         (rs6000_override_options): Do not protect TARGET_ALTIVEC_VRSAVE.
1122         Modify aix_struct_return variable, not target_flags.
1123         (rs6000_handle_option): Do not protect TARGET_ALTIVEC_VRSAVE.
1124         (rs6000_return_in_memory): Test aix_struct_return.
1125         * config/rs6000/rs6000.opt (maix-struct-return): Convert to
1126         independent variable.  Report mxl-compat.
1127
1128 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1129
1130         * config/bfin/bfin.md (eh_return): Add missing DONE.
1131
1132 2005-05-17  Ian Lance Taylor  <ian@airs.com>
1133
1134         * read-rtl.c (struct macro_traverse_data): Add unknown_mode_attr
1135         field.
1136         (mode_attr_index): Remove check for defined attribute.  Remove
1137         infile parameter.  Change all callers.
1138         (apply_mode_maps): Add unknown parameter.  Change caller.  Always
1139         return after finding attribute.
1140         (apply_macro_to_rtx): Add unknown_mode_attr parameter.  Change
1141         callers.
1142         (apply_macro_traverse): Set mtd->unknown_mode_attr.
1143         (read_rtx): Use mtd.unknown_mode_attr to check for an undefined
1144         attribute used for a mode.
1145
1146 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
1147
1148         * tree-ssa-math-opts.c: New file.
1149
1150 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
1151
1152         * tree-ssa-math-opts.c: New file.
1153
1154 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
1155
1156         * Makefile.in: Add tree-ssa-math-opts.c.
1157         * expr.c (expand_expr_real_1) <case RDIV_EXPR>: Never emit as a*(1/b).
1158         * fold-const.c (distribute_real_division): New.
1159         (fold_binary) <case PLUS_EXPR, case MINUS_EXPR>: Use it.
1160         * tree-pass.h (pass_cse_reciprocals): New.
1161         * tree-optimize.c (init_tree_optimization_passes): Run it.
1162         * doc/passes.texi: Document the new pass.
1163
1164 2005-05-17  Richard Guenther  <rguenth@gcc.gnu.org>
1165
1166         PR middle-end/21595
1167         * builtins.c (fold_builtin_constant_p): Handle
1168         &"string cst"[0] as constant.
1169
1170 2005-05-17  Richard Henderson  <rth@redhat.com>
1171
1172         * config/i386/sse.md (mulv16qi3, mulv2di3): New.
1173
1174 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
1175
1176         PR middle-end/21492
1177         * cfgcleanup.c (try_crossjump_to_edge): update_forwarder_flag for
1178         src2 if src2 has been split.
1179
1180         PR tree-optimization/21610
1181         * c-typeck.c (decl_constant_value_for_broken_optimization): If not
1182         returning DECL, call unshare_expr.
1183
1184 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
1185
1186         * config/cris/cris.md: Unquote preparation and output statements.
1187         (BWD, WD, BW): New, mode-macros.
1188         (S, s, m, mm, nbitsm1): New, mode-attrs.
1189         (szext, shift, shiftrt, ncond, ocond, rcond): New, code-macros.
1190         (u, su, shlr, slr, ncond, ocond, rcond, rCC, oCC, roCC): New,
1191         code-attrs.
1192         ("tst<mode>"): Replace "tstqi", "tsthi" and "tstsi".
1193         ("*cmp_ext<mode>"): Replace "*cmp_extsi" and "*cmp_exthi".
1194         ("*cmp_swapext<mode>"): Replace "*cmp_swapextqi" and
1195         "*cmp_swapexthi".
1196         ("cmp<mode>"): Replace "cmphi" and "cmpqi".
1197         ("movdi"): Move misplaced head comment regarding necessity of
1198         movdi from movsi to here.
1199         ("*mov_side<mode>_biap"): Replace "*mov_sideqi_biap" and
1200         "*mov_sidehi_biap".
1201         ("*mov_side<mode>"): Replace "*mov_sideqi" and "*mov_sidehi".
1202         ("*mov_side<mode>_biap_mem", "*mov_sidehi_biap_mem"): Replace
1203         "*mov_sideqi_biap_mem".
1204         ("*mov_side<mode>_mem"): Replace "*mov_sideqi_mem" and
1205         "*mov_sidehi_mem".
1206         ("*clear_side<mode>_biap"): Replace "*clear_sidesi_biap",
1207         "*clear_sidehi_biap" and "*clear_sideqi_biap".
1208         ("*clear_side<mode>"): Replace "*clear_sidesi", "*clear_sidehi"
1209         and "*clear_sideqi".
1210         ("*ext_side<mode>si_biap"): Replace "*ext_sideqisi_biap" and
1211         "*ext_sidehisi_biap".
1212         ("*ext_side<mode>si"): Replace "*ext_sideqisi" and
1213         "*ext_sidehisi".
1214         ("reload_in<mode>"): Replace "reload_inhi" and "reload_inqi".
1215         ("reload_out<mode>"): Replace "reload_outhi" and "reload_outqi".
1216         ("extend<mode>di2"): Replace "extendhidi2" and "extendqidi2".
1217         ("extend<mode>si2"): Replace "extendhisi2" and "extendqisi2".
1218         ("zero_extend<mode>si2"): Replace "zero_extendhisi2" and
1219         "zero_extendqisi2".
1220         ("*op_side<mode>_biap"): Replace "*op_sideqi_biap",
1221         "*op_sidehi_biap" and "*op_sidesi_biap".
1222         ("*op_side<mode>"): Replace "*op_sideqi", "*op_sidehi" and
1223         "*op_sidesi".
1224         ("*op_swap_side<mode>_biap"): Replace "*op_swap_sideqi_biap",
1225         "*op_swap_sidehi_biap" and "*op_swap_sidesi_biap".
1226         ("*op_swap_side<mode>"): Replace "*op_swap_sideqi",
1227         "*op_swap_sidehi" and "*op_swap_sidesi".
1228         ("sub<mode>3"): Replace "subhi3" and "subqi3", correcting a typo
1229         in the N alternative of "subqi3".
1230         ("*extop<mode>si_side_biap"): Replace "*extopqisi_side_biap" and
1231         "*extophisi_side_biap".
1232         ("*extop<mode>si_side"): Replace "*extopqisi_side" and
1233         "*extophisi_side".
1234         ("*extop<mode>si_swap_side_biap"): Replace
1235         "*extopqisi_swap_side_biap" and "*extophisi_swap_side_biap".
1236         ("*extop<mode>si_swap_side"): Replace "*extopqisi_swap_side" and
1237         "*extophisi_swap_side".
1238         ("*extop<mode>si"): Replace "*extopqisi" and "*extophisi".
1239         ("*extop<mode>si_swap"): Replace "*extopqisi_swap" and
1240         "*extophisi_swap".
1241         ("<u>mul<s><mode>3"): Replace "umulhisi3", "umulqihi3",
1242         "mulqihi3", "mulhisi3" and "mulhisi3".
1243         ("<u>mulsidi3"): Replace "mulsidi3" and "umulsidi3".
1244         ("<su>mulsi3_highpart"): Replace "smulsi3_highpart" and
1245         "umulsi3_highpart".
1246         ("xor<mode>3"): Replace "xorhi3" and "xorqi3".
1247         ("neg<mode>2"): Replace "negsi2", "neghi2" and "negqi2".
1248         ("one_cmpl<mode>2"): Replace "one_cmplhi2" and "one_cmplqi2".
1249         ("<shlr>si3"): Replace "ashrsi3", "lshrsi3" and "ashlsi3".
1250         ("ashr<mode>3"): Replace "ashrhi3" and "ashrqi3".
1251         ("*expanded_<shlr><mode>"): Replace "*expanded_ashrhi",
1252         "*expanded_ashrqi", "*expanded_lshrhi" and "*expanded_lshrqi".
1253         ("*<shlr><mode>_lowpart"): Replace "*ashrhi_lowpart",
1254         "*ashrqi_lowpart", "*lshrhi_lowpart" and "*lshrqi_lowpart".
1255         ("lshr<mode>3"): Replace "lshrhi3" and "lshrqi3".
1256         ("ashl<mode>3"): Replace "ashlhi3" and "ashlqi3".
1257         ("*ashl<mode>_lowpart"): Replace "*ashlqi_lowpart" and
1258         "*ashlhi_lowpart".
1259         ("abs<mode>2"): Replace "abshi2" and "absqi2".
1260         ("b<ncond>"): Replace "beq", "bne", "bgtu", "bltu", "bgeu" and
1261         "bleu".
1262         ("b<ocond>"): Replace "bgt" and "ble".
1263         ("b<rcond>"): Replace "blt" and "bge".
1264         ("*b<ncond>_reversed"): Replace "*beq_reversed", "*bne_reversed",
1265         "*bgtu_reversed", "*bltu_reversed", "*bgeu_reversed" and
1266         "*bleu_reversed".
1267         ("*b<ocond>_reversed"): Replace "*bgt_reversed" and
1268         "*ble_reversed".
1269         ("*b<rcond>_reversed"): Replace "*blt_reversed" and
1270         "*blt_reversed".
1271         ("s<ncond>"): Replace "sgeu", "sltu", "seq", "sgtu", "sleu" and
1272         "sne".
1273         ("s<rcond>"): Replace "sge" and "slt".
1274         ("s<ocond>"): Replace "sgt" and "sle".
1275         ("clear.[bwd] [rx=rx+rz.S2]"): Replace split clear.d
1276         [rx=rx+rz.S2], clear.w [rx=rx+rz.S2] and clear.b [rx=rx+rz.S2].
1277         ("clear.[bwd] [rx=rx+i]"): Replace splits clear.d [rx=rx+i],
1278         clear.w [rx=rx+i] and clear.b [rx=rx+i].
1279
1280 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
1281
1282         * varasm.c (struct constant_descriptor_tree): Add hash field.
1283         (const_desc_hash): Just return hash field.
1284         (const_desc_eq): If hash values are different, return 0 immediately.
1285         (output_constant_def): Compute hash field of temporary key, use
1286         htab_find_slot_with_hash instead of htab_find_slot.  Set hash in
1287         newly built constant descriptor.
1288         (lookup_constant_def): Compute hash field of temporary key, use
1289         htab_find_with_hash instead of htab_find.
1290
1291 2005-05-16  Richard Henderson  <rth@redhat.com>
1292
1293         * config/i386/sse.md (mulv4si3): New.
1294
1295 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
1296
1297         * config/cris/cris.h (EXTRA_CONSTRAINT_T): Remove FIXME and
1298         tests for noncanonical versions of reg+constant and
1299         reg+reg*{1,2,4}.
1300
1301 2005-05-16  Richard Henderson  <rth@redhat.com>
1302             Steven Bosscher <stevenb@suse.de>
1303
1304         PR tree-opt/21399
1305         * tree-eh.c (maybe_clean_or_replace_eh_stmt): Rename from 
1306         maybe_clean_eh_stmt; take old stmt parameter.  Update EH
1307         region data structure to match replacement.
1308         * tree-flow.h: Update to match.
1309         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
1310         * tree-ssa-dom.c (optimize_stmt): Likewise.
1311         * tree-ssa-pre.c (eliminate): Likewise.
1312         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
1313
1314 2005-05-16  Caroline Tice  <ctice@apple.com>
1315
1316         * bb-reorder.c (verify_hot_cold_block_grouping):  Replace
1317         internal_error with gcc_assert.
1318         * dwarf2out.c (dwarf2out_switch_text_section):  Likewise.
1319         * function.h (struct function): Remove space between "*" and
1320         struct field names.
1321         * varasm.c (initialize_cold_section_name):   Add gcc_assert;
1322         modify to use alloca.
1323         (unlikely_text_section): Add check for flag_function_sections.
1324         (assemble_start_function):  Move call to resolve_section, so it
1325         comes before first call to unlikely_text_section.
1326         (assemble_end_function):  Add test and call to function_section
1327         if appropriate.
1328         
1329 2005-05-16  Roger Sayle  <roger@eyesopen.com>
1330
1331         * c-common.c (c_common_truthvalue_conversion): Use fold_build2
1332         instead of build_binary_op when performing code transformations
1333         to avoid error messages about constructs not it the user's code.
1334
1335 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
1336
1337         * tree-ssa-pre.c: Fix a comment typo.
1338
1339 2005-05-16  Richard Henderson  <rth@redhat.com>
1340
1341         PR target/21556
1342         * config/ia64/ia64.md (load_dtpmod, load_ltoff_dtpmod, load_dtprel,
1343         load_dtprel64, load_dtprel22, load_dtprel_gd, load_ltoff_dtprel,
1344         add_dtprel, add_dtprel14, add_dtprel22, load_tprel, load_tprel64,
1345         load_tprel22, load_tprel_ie, load_ltoff_tprel, add_tprel, add_tprel14,
1346         add_tprel22): Remove mode from symbolic operand.
1347
1348 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
1349
1350         * optc-gen.awk: Include intl.h after the externally-provided files.
1351
1352 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
1353
1354         * tree-ssa-copy.c (copy_prop_visit_assignment): Clean up by
1355         folding a COND_EXPR_COND in a nondestructive manner.
1356
1357 2005-05-16  Fariborz Jahanian <fjahanian@apple.com>
1358
1359         * config/rs6000/altivec.md (altivec_vmrghb, altivec_vmrghh, 
1360         altivec_vmrghw, altivec_vmrglb, altivec_vmrglh, altivec_vmrglw):
1361         New values for vec_select definitions and bitmask for element
1362         selection.
1363          
1364 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
1365
1366         * dwarf2out.c (used_rtx_varray): Rename to used_rtx_array.
1367         Change the type to VEC(rtx,gc)*.
1368         (mem_loc_descriptor, add_const_value_attributes,
1369         dwarf2out_init): Adjust uses of used_rtx_varray.
1370
1371         * tree-data-ref.c (compute_all_dependences): Change the type
1372         of dependence_relations to VEC(ddr_p,heap)**.
1373         (compute_data_dependences_for_loop): Change the type of
1374         allrelations to VEC(ddr_p,heap)*.
1375
1376 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
1377
1378         * Makefile.in (options.c): Tell optc-gen.awk to include config.h,
1379         system.h, coretypes.h and tm.h.
1380         (options.o): Update dependencies accordingly.
1381         * optc-gen.awk: Allow header_name to be a list of filenames.
1382         Handle the "Condition" flag.
1383         * opts.h (CL_DISABLED): New flag.
1384         * opts.c (handle_option): Print an error for CL_DISABLED options.
1385         * doc/options.texi: Document the "Condition" option flag.
1386
1387 2005-05-16  Paolo Bonzini  <bonzini@gnu.org>
1388
1389         * tree-inline.c (estimate_num_insns_1): Handle VEC_COND_EXPR.
1390
1391 2005-05-15  Roger Sayle  <roger@eyesopen.com>
1392
1393         * tree-scalar-evolution.c (set_nb_iterations_in_loop): Only
1394         check for TREE_OVERFLOW on INTEGER_CST trees.
1395         * tree-chrec.c (chrec_convert): Only clear TREE_OVERFLOW on
1396         CONSTANT_CLASS_P tree nodes.
1397
1398 2005-05-15  H.J. Lu  <hongjiu.lu@intel.com>
1399
1400         PR target/21551
1401         * config/ia64/ia64.c (ia64_expand_move): Don't add addend twice.
1402
1403 2005-05-15  Daniel Berlin  <dberlin@dberlin.org>
1404             
1405         Fix PR tree-optimization/21576
1406         
1407         * tree-ssa-pre.c (expression_node_pool): New pool.
1408         (comparison_node_pool): Ditto.
1409         (list_node_pool): Ditto.
1410         (pool_copy_list): New function.
1411         (phi_translate): Handle CALL_EXPR.
1412         (valid_in_set): Ditto.
1413         (create_expression_by_pieces): Ditto.
1414         (insert_into_preds_of_block): Ditto.
1415         (insert_aux): Ditto.
1416         (compute_avail): Ditto.
1417         (create_value_expr_from): Handle TREE_LIST and CALL_EXPR.
1418         (can_value_number_call): New function.
1419         (find_leader): Update comment.
1420         (init_pre): Create new pools.
1421         (fini_pre): Free new pools.
1422         (pass_pre): Add TODO_update_ssa for the future when we are going
1423         to need vops.
1424         * tree-vn.c (expressions_equal_p): Handle TREE_LIST.
1425         (set_value_handle): Ditto.
1426         (get_value_handle): Ditto.
1427
1428 2005-05-15  Richard Earnshaw  <richard.earnshaw@arm.com>
1429
1430         * arm.c (thumb_unexpanded_epilogue): Delete unused variable 'mode'.
1431
1432 2005-05-15  Andreas Jaeger  <aj@suse.de>
1433
1434         * gcc.c (pfatal_pexecute): Remove unused local function.
1435
1436 2005-05-15  Richard Sandiford  <rsandifo@redhat.com>
1437
1438         * optc-gen.awk: Remove excess indentation.
1439         * opth-gen.awk: Likewise.
1440
1441 2005-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
1442
1443         * config/sh/sh.c (sh_output_mi_thunk): Check cfun->cfg instead
1444         of basic_block_info.  Call init_flow and find_basic_blocks
1445         before dbr_schedule if needed.
1446
1447 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
1448
1449         * tree-optimize.c (init_tree_optimization_passes): Move
1450         pass_cd_dce in place of the last pass_dce.
1451
1452         PR tree-optimization/21563
1453         * tree-vrp.c (compare_value): Return boolean_false_node when
1454         SSA_NAME in "if (SSA_NAME == CST)" is strictly smaller than or
1455         strictly larger than CST.
1456
1457 2005-05-14  Nathan Sidwell  <nathan@codesourcery.com>
1458             Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1459
1460         * config/vax/vax.c: (print_operand_address) Use gcc_unreachable() and
1461         gcc_assert().
1462         (rev_cond_name) Likewise.
1463         (vax_float_literal) Likewise.
1464         * config/vax/vax.md: Likewise.
1465
1466 2005-05-14  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1467
1468         * config/vax/vax.md: define_constant VAXens AP, FP, SP and PC
1469         registers and use them (specifically the stack pointer).
1470         * config/vax/vax.h: Use above defines right here.
1471
1472         * config/vax/vax.c: (override_options) Remove 'register' keyword.
1473         (split_quadword_operands) Likewise. (rev_cond_name) Likewise.
1474         (vax_float_literal) Likewise. (vax_rtx_costs) Remove trailing
1475         whitespace.
1476         * config/vax/vax.h: Remove 'register' keyword. Misc. whitespace fixes,
1477         mostly removal of trailing spaces...
1478         * config/vax/vax-modes.def: Remove trailing whitespace.
1479
1480         * config/vax/elf.h: Update whitespace.
1481
1482 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
1483
1484         Revert
1485         2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
1486         * fold-const.c (fold_indirect_ref_1): Avoid removing
1487         NOP_EXPRs with type qualifiers like const.
1488
1489 2005-05-14  Jan Hubicka  <jh@suse.cz>
1490
1491         Patch by Richard Henderson:
1492         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
1493         Handle RESX expressions properly.
1494
1495         * tree-eh.c (record_stmt_eh_region): Use add_stmt_to_eh_region.
1496         (add_stmt_to_eh_region_fn): Nest into CALL_EXPR.
1497         (remove_stmt_from_eh_region_fn): Likewise.
1498
1499         * tree-cfg.c (execute_warn_function_return): Break out noreturn
1500         warning too..
1501         (execute_warn_function_noreturn): ... here.
1502         (pass_warn_function_noreturn): New pass.
1503         * tree-pass.h (pass_warn_function_noreturn): Declare
1504         * tree-optimize.c (init_tree_optimization_passes): Move return
1505         warnings early and add noreturn warnings at place of previous
1506         return warnings.
1507
1508 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
1509
1510         * tree-ssa-live.c (tpa_init, tpa_delete, tpa_compact,
1511         root_var_init, type_var_init): Use VEC instead of VARRAY.
1512         * tree-ssa-live.h (tree_partition_associator_d): Change the
1513         type of trees to VEC(tree,heap)*.
1514         (tpa_tree): Use VEC instead of VARRAY.
1515
1516 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
1517
1518         * fold-const.c (div_if_zero_remainder): New function.
1519         (try_move_mult_to_index): Use it.
1520
1521 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
1522
1523         * tree-eh.c (leh_tf_state): Change the type of dest_array to
1524         VEC(tree,heap)*.
1525         (maybe_record_in_goto_queue, lower_try_finally_onedest,
1526         lower_try_finally_copy, lower_try_finally_switch,
1527         lower_try_finally): Use VEC instead of VARRAY.
1528
1529 2005-05-14  Hans-Peter Nilsson  <hp@axis.com>
1530
1531         * config/cris/cris.h (Node: Register Classes): Remove obsoleted
1532         comment regarding defined register classes.
1533         (LEGITIMIZE_RELOAD_ADDRESS): Do not define.
1534
1535 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
1536
1537         * tree-optimize.c (init_tree_optimization_passes): Move
1538         pass_merge_phi before the first pass_dominator.
1539
1540 2005-05-13  Richard Earnshaw  <richard.earnshaw@arm.com>
1541
1542         * arm.h (INITIALIZE_TRAMPOLINE): Make the call to __clear_cache
1543         unconditional.
1544
1545 2005-05-13  Josh Conner  <jconner@apple.com>
1546
1547         * config/arm/arm.c (arm_size_return_regs): New.
1548         (thumb_unexpanded_epilogue): replace in-line calculation
1549         of return registers with call to arm_size_return_regs.
1550         (use_return_insn): Include test of which registers are
1551         being used to hold return values, to accommodate
1552         vector return values.
1553
1554 2005-05-11  Aldy Hernandez  <aldyh@redhat.com>
1555
1556         * config/rs6000/sysv4.opt (mlittle): Handle.
1557
1558         * config/rs6000/rs6000.c (rs6000_handle_option): Set
1559         target_flags_explicit when appropriate.
1560
1561 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
1562
1563         PR middle-end/20714:
1564         * optabs.c (no_conflict_data): New struct.
1565         (no_conflict_move_test): New function.
1566         (emit_no_conflict_block): Use it.
1567
1568 2005-05-13  Adam Nemet  <anemet@lnxw.com>
1569
1570         * doc/invoke.texi (Debugging Options): Option
1571         -fdump-translation-unit only works with C++ now.
1572
1573 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
1574
1575         Replace calls to abort in CRIS port.
1576         * config/cris/cris.h (CRIS_ASSERT): New macro.
1577         * config/cris/cris.md ("*movsi_internal"): Use CRIS_ASSERT and
1578         internal_error instead of abort.
1579         ("movsi"): Ditto.  Unquote preparation statement section.
1580         ("call", "call_value"): Ditto, but use gcc_assert where
1581         appropriate.  Tweak comments.
1582         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Define in terms of
1583         CRIS_ASSERT.
1584         (cris_op_str): Call internal_error, not abort.
1585         (cris_print_operand): Tweak "abort" reference to "die" in comment.
1586         (cris_initial_elimination_offset): Call gcc_unreachable, not abort.
1587         (cris_notice_update_cc): Call internal_error, not abort.
1588         (cris_expand_return, cris_expand_prologue, cris_gen_movem_load)
1589         (cris_emit_movem_store, cris_asm_output_symbol_ref)
1590         (cris_output_addr_const_extra): Use CRIS_ASSERT, don't call abort.
1591         (cris_symbol, cris_got_symbol): Use CRIS_ASSERT instead of
1592         ENABLE_CHECKING-guarded abort call.
1593         (cris_split_movdx): Use CRIS_ASSERT instead of abort with test.
1594         Use internal_error at end of test-chain.
1595
1596 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
1597
1598         PR rtl-optimization/20769:
1599         * bt-load.c (compute_defs_uses_and_gen): Check for the blockage
1600         pattern emitted by expand_nl_goto_receiver.
1601
1602         PR middle-end/20793:
1603         * integrate.c (allocate_initial_values): Update register liveness
1604         information.
1605
1606 2005-05-13  Josh Conner  <jconner@apple.com>
1607
1608         * arm.c (arm_return_in_memory): Add handling for vector return types.
1609
1610 2005-05-13  David Ung  <davidu@mips.com>
1611
1612         * config/mips/mips.h (processor_type): Add new PROCESSOR_4KP
1613         name.
1614         * config/mips/mips.c: Add 4km alias.
1615         * config/mips/mips.md: Add 4kp to cpu attrib and include 4k.md.
1616         * config/mips/4k.md: New file, add 4Kc/4Kp DFA pipeline
1617         description.
1618
1619 2005-05-13  Jan Hubicka  <jh@suse.cz>
1620
1621         * c-decl.c (finish_function): Suppress "control reaches end of
1622         non-void function" when "no return statement in function
1623         returning non-void" is issued.
1624
1625         * tree-inline.c (copy_body_r): Simplify substituted ADDR_EXPRs.
1626         * tree-optimize.c (pass_gimple): Kill.
1627         (init_tree_optimization_passes): Kill pass_gimple.
1628         * tree-cfg.c (build_tree_cfg): Do verify_stmts to check that we are gimple.
1629         * tree-dump.c (dump_files): Rename .generic to .gimple.*
1630
1631 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
1632
1633         PR rtl-optimization/20756:
1634         * basic-block.h (PROP_DEAD_INSN): Define.
1635         * flow.c (propagate_one_insn): Set during mark_set_regs call
1636         for a dead insn.
1637         (mark_set_1): Emit a clobber when we are about to delete a dead insn
1638         that kills a live register.
1639
1640 2005-05-13  Adrian Straetling  <straetling@de.ibm.com>
1641
1642         * config/s390/s390.md: ("DBL"): New mode attribute.
1643         ("*movmem_long_64", "*movmem_long_31"): Merge to "*movmem_long".
1644         ("*clrmem_long_64", "*clrmem_long_31"): Merge to "*clrmem_long".
1645         ("*cmpmem_long_64", "*cmpmem_long_31"): Merge to "*cmpmem_long".
1646
1647 2005-05-13  Richard Guenther  <rguenth@gcc.gnu.org>
1648
1649         * c-format.c (check_format_arg): Handle string literals of
1650         the form &"string"[offset].
1651
1652         * g++.dg/warn/format4.C: New testcase.
1653
1654 2005-05-13  Kazu Hirata  <kazu@cs.umass.edu>
1655
1656         * config/mips/3000.md, config/mips/4000.md,
1657         config/mips/4100.md, config/mips/4300.md, config/mips/4600.md,
1658         config/mips/5000.md, config/mips/7000.md, config/mips/9000.md,
1659         config/mips/generic.md, config/pdp11/pdp11.md,
1660         config/sh/crt1.asm, config/sh/lib1funcs.asm,
1661         config/sh/sh-modes.def, config/sh/sh-protos.h,
1662         config/sh/shmedia.md, config/sh/ushmedia.h: Update copyright.
1663
1664 2005-05-13  Richard Henderson  <rth@redhat.com>
1665
1666         * function.c (instantiate_virtual_regs_in_insn): Do not simplify
1667         addition to move unless dest is a register.  Do not skip
1668         instantiation in dest on addition simplification.
1669
1670 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
1671
1672         * config/cris/cris.c (cris_print_operand) <case 'H'; case
1673         CONST_INT>: Use operand_subword and HOST_WIDE_INT_PRINT_DEC for
1674         output; don't have special case for HOST_BITS_PER_WIDE_INT == 32.
1675
1676 2005-05-13  Jan Hubicka  <jh@suse.cz>
1677
1678         * basic-block.h (FOR_ALL_BB_FN): New macro.
1679         (init_flow): Initialize cfg structure.
1680         * function.c (allocate_struct_function): Do not initialize cfg structure.
1681         * tree-cfg.c (init_empty_tree_cfg): Break out from ...
1682         (build_tree_cfg): ... here.
1683         * tree-flow.h (init_empty_tree_cfg): Declare.
1684
1685 2005-05-12  Steven Bosscher <stevenb@suse.de>
1686
1687         Fix PR tree-optimization/21520
1688         * tree-ssa-pre.c (phi_translate): Use fully_constant_expression
1689         to attempt to fold constants.
1690
1691 2005-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
1692
1693         * config/sh/sh.c: Declare the prototype of sh_adjust_unroll_max
1694         only when TARGET_ADJUST_UNROLL_MAX is defined.
1695         (general_movsrc_operand): Use the C style comment.
1696         (ua_offset): Use prototype.
1697
1698 2005-05-12  Zdenek Dvorak  <dvorakz@suse.cz>
1699
1700         * tree-ssa-loop-im.c (struct mem_ref): Add field "next".
1701         (struct hmr_data, hoist_memory_reference, memref_del,
1702         struct fmrv_data): Removed.
1703         (hoist_memory_references, free_mem_ref, free_mem_refs): New functions.
1704         (gather_mem_refs, gather_mem_refs_stmt): Add new references to the
1705         list.
1706         (find_more_ref_vops): Traverse the list of memory references.
1707         (determine_lsm_loop): Work with the list of memory references instead
1708         of traversing the hashtable.
1709
1710 2005-05-12  Steven Bosscher  <stevenb@suse.de>
1711             Stuart Hastings <stuart@apple.com>
1712             Jan Hubicka  <jh@suse.cz>
1713
1714         * except.c  (duplicate_eh_region_1, duplicate_eh_region_2,
1715         duplicate_eh_regions): New functions, based on old
1716         implementation removed with RTL inliner.
1717         (reachable_next_level): Modify behaviour pre-inline.
1718         * except.h (duplicate_eh_regions_map, duplicate_eh_regions):
1719         Declare.
1720         * function.h (struct function): Add after_inlining flag.
1721         * tree-optimize.c (tree_rest_of_compilation): Set it.
1722         * tree-eh.c (add_stmt_to_eh_region_fn): Initialize hashtable
1723         when needed.
1724         * tree-cfg.c (label_to_block_fn): Deal with cases where
1725         label was never insterted into code.
1726
1727 2005-05-12  Zack Weinberg  <zack@codesourcery.com>
1728
1729         * doc/cpp.texi: Document that #sccs is a synonym for #ident.
1730
1731 2005-05-12  Daniel Berlin  <dberlin@dberlin.org>
1732
1733         Fix PR tree-optimization/21532
1734         * tree-ssa-pre.c (create_expression_by_pieces): stmt
1735         needs to go onto the inserted_exprs list.
1736
1737 2005-05-12  Ian Lance Taylor  <ian@airs.com>
1738
1739         * c-common.h (statement_code_p): Don't declare.
1740         (STATEMENT_CODE_P): Don't define.
1741         (INIT_STATEMENT_CODES): Don't define.
1742         * c-common.c (statement_code_p): Don't define.
1743
1744 2005-05-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
1745
1746         * config/sparc/sparc.h: Remove dead code.
1747         * config/sparc/sparc.c (sparc_compute_frame_size): Use
1748         FIRST_PARM_OFFSET for the size of the register window area.
1749         (emit_save_regs): Rename into emit_save_or_restore_regs.
1750         Add 'action' parameter.  Use 4095 as upper bound for the offset.
1751         Pass 'action' to save_or_restore_regs.
1752         (emit_restore_regs): Delete.
1753         (sparc_expand_prologue): Call emit_save_or_restore_regs.
1754         (sparc_expand_epilogue): Likewise.
1755         * config/sparc/sparc.md (mode macro P): Move.
1756         (movdi_insn_sp32_v9, movdi_insn_sp32): Swap.
1757         (mov<V32:mode> expander): Move to the top of the V32 section.
1758         (movdf_insn_sp32_v9_no_fpu, movdf_insn_sp32_v9): Swap.
1759         (movtf_insn_sp64_hq, movtf_insn_sp64): Swap.
1760         (sibcall_epilogue): Move.
1761
1762 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
1763
1764         PR target/21501
1765         * arm.c (arm_gen_constant): Sign-extend intermediate values when
1766         synthesizing a constant of the difference of two immediates.
1767
1768 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
1769
1770         * arm/vfp.md (negsf2_vfp): Add alternative using integer registers.
1771         (negdf2_vfp): Likewise.  Convert to define_insn_and_split and split
1772         the alternatives using integer registers into the appropriate
1773         primitives.
1774
1775 2005-05-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1776
1777         * bitmap.c (bitmap_elmt_to_freelist, bitmap_element_allocate,
1778         bitmap_elt_clear_from, bitmap_clear): Changed freelist structure.
1779         * bitmap.h: Fixed comments.
1780
1781 2005-05-11  Richard Henderson  <rth@redhat.com>
1782
1783         PR target/21412
1784         * config/ia64/ia64.c (TARGET_CANNOT_FORCE_CONST_MEM): New.
1785         (ia64_cannot_force_const_mem): New.
1786         (tls_symbolic_operand_type): New.
1787         (ia64_legitimate_constant_p): New.
1788         (ia64_expand_load_address): Return true on success.  Improve
1789         checks for when we should not split.
1790         (ia64_expand_tls_address): New addend operand.  Distribute it
1791         as appropriate to the tls_kind.  Delay referencing gp.
1792         (ia64_expand_move): Split symbolic addend as necessary.  Handle
1793         tls symbols with addends.
1794         * config/ia64/ia64-protos.h: Update.
1795         * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): False for r0,
1796         p0, f0, f1, and r13.
1797         (LEGITIMATE_CONSTANT_P): Move to ia64_legitimate_constant_p.
1798         * config/ia64/ia64.md (UNSPEC_DTPMOD): New.
1799         (symbolic_operand splitter): Pass everything through
1800         ia64_expand_load_address and FAIL or DONE as appropriate.
1801         (load_fptr): Only accept after reload.
1802         (load_fptr_internal1, gprel64_offset, load_gprel64, load_symptr_high,
1803         load_symptr_low, load_ltoff_dtpmod,
1804         (load_dtpmod): New.
1805         (load_dtprel): Only accept tls symbols.
1806         (load_dtprel64, load_dtprel22): Likewise.
1807         (load_tprel, load_tprel64, load_tprel22): Likewise.
1808         (load_dtprel_gd, load_ltoff_dtprel, load_tprel_ie): New.
1809         (add_dtprel): Only accept tls symbols.  Canonicalize PLUS.
1810         (add_dtprel14, add_dtprel22): Likewise.
1811         (add_tprel, add_tprel14, add_tprel22): Likewise.
1812         * config/ia64/predicates.md (small_addr_symbolic_operand): New.
1813         (any_offset_symbol_operand, aligned_offset_symbol_operand): New.
1814         (got_symbolic_operand): Check CONST offsets.
1815         (tls_symbolic_operand, ld_tls_symbolic_operand): New.
1816         (ie_tls_symbolic_operand, le_tls_symbolic_operand): New.
1817         (move_operand): Don't handle tls here.  Check CONST offsets.
1818
1819 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
1820
1821         * config/mips/7000.md (rm7_impy_si_mult): Just match imul and imadd.
1822         Remove hilo_operand check.
1823         (rm7_impy_si_mul): Just match imul3.  Remove hilo_operand check.
1824         * config/mips/predicates.md (hilo_operand): Delete.
1825
1826 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
1827
1828         * config/mips/sr71k.md, config/mips/7000.md: Reformat.
1829
1830 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
1831
1832         PR tree-optimizer/18472
1833         * tree-if-conv.c (tree_if_convert_stmt,
1834         if_convertible_modify_expr_p): Don't handle GOTO_EXPR.
1835
1836 2005-05-11  Jan Hubicka  <jh@suse.cz>
1837
1838         * Makefile.in (tree-eh.o: Kill gt-tree-eh.h dependency.
1839         (GTFILES): add except.h.
1840         * except.c (eh_status): Add throw_stmt_table.
1841         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New functions.
1842         * except.h (add_stmt_to_eh_region_fn, remove_stmt_from_eh_region_fn,
1843         lookup_stmt_eh_region_fn): Declare.
1844         (throw_stmt_node): New structure.
1845         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New.
1846         * gengtype.c (open_base_files): Add except.h to inlines.
1847         * tree-eh.c (throw_stmt_node): Kill.
1848         (record_stmt_eh_region): Update.
1849         (add_stmt_to_eh_region_fn): Break out from ...
1850         (add_stmt_to_eh_region): ... here.
1851         (remove_stmt_from_eh_region_fn): Break out from ...
1852         (remove_stmt_from_eh_region): ... here.
1853         (lookup_stmt_eh_region_fn): Break out from ...
1854         (lookup_stmt_eh_region): ... here.
1855         (honor_protect_cleanup_actions): Use build_resx.
1856         (lower_try_finally_onedest): Likewise.
1857         (lower_try_finally_copy): Likewise.
1858         (lower_try_finally_switch): Likewise.
1859         (lower_eh_constructs): Update eh table construction.
1860         * tree.c (build_resx): New.
1861         * tree.h (build_resx): Declare.
1862
1863 2005-05-11  H.J. Lu  <hongjiu.lu@intel.com>
1864
1865         * libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation
1866         is needed.
1867
1868 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
1869
1870         * fold-const.c, libgcov.c: Fix comment typos.
1871
1872         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove
1873         redundant code.
1874
1875 2005-05-11  Daniel Jacobowitz  <dan@codesourcery.com>
1876
1877         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1878         * config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
1879         default definition.
1880         (FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.
1881
1882 2005-05-11  Nathan Sidwell  <nathan@codesourcery.com>
1883
1884         PR bootstrap/21481
1885         * crtstuff.c: Include auto-host.h again, for now.
1886
1887 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
1888
1889         * config/mips/24k.md: Remove trailing whitespace.
1890
1891 2005-05-11  David Ung  <davidu@mips.com>
1892
1893         * config/mips/mips.md (type): Add imul3.
1894         (length, hazard, may_clobber_hilo): Check for imul3.
1895         (mulsi3_mult3, muldi3_mult3, *muls, <su>mulsi3_highpart_mulhi_internal)
1896         (*<su>mulsi3_highpart_neg_mulhi_internal): Set attr to imul3.
1897         * config/mips/24k.md (r24k_int_mul3): Enable this reservation
1898         for a 3 operand mul and its bypasses.
1899         * config/mips/3000.md (r3k_imul): Add imul3 to reservations.
1900         * config/mips/4000.md (r4k_imul): Likewise.
1901         * config/mips/4100.md (r4100_imul_si, r4100_imul_di):  Likewise.
1902         * config/mips/4130.md (vr4130_class, vr4130_mulsi)
1903         (vr4130_muldi): Likewise.
1904         * config/mips/4300.md (r4300_imul_si, r4300_imul_di): Likewise.
1905         * config/mips/4600.md (r4600_imul, r4650_imul): Likewise.
1906         * config/mips/5000.md (r5k_imul_si, r5k_imul_di): Likewise.
1907         * config/mips/5400.md (ir_vr54_imul_si, ir_vr54_imul_di)
1908         (ir_vr54_imadd_si): Likewise.
1909         * config/mips/5500.md (ir_vr55_imul_si, ir_vr55_imul_di):  Likewise.
1910         * config/mips/7000.md (rm7_impy_si_mult, rm7_impy_si_mul)
1911         (rm7_impy_di): Likewise.
1912         * config/mips/9000.md (rm9k_mulsi, rm9k_muldi):  Likewise.
1913         * config/mips/generic.md (generic_imul): Likewise.
1914         * config/mips/sb1.md (ir_sb1_mulsi, ir_sb1_muldi): Likewise.
1915         * config/mips/sr71k.md (ir_sr70_imul_si, ir_sr70_imul_di):  Likewise.
1916
1917 2005-05-11  J"orn Rennecke <joern.rennecke@st.com>
1918
1919         PR middle-end/20371:
1920         * tree.h (record_layout_info_s): New member prev_packed.
1921         * stor-layout.c (update_alignment_for_field): Fix comment about
1922         KNOWN_ALIGN.  For MS bitfields, if we start a new run, make sure
1923         we start it properly aligned.
1924         (place_field): At the beginning of a record, pass 0 as KNOWN_ALIGN
1925         to update_alignment_for_field, and recompute it afterwards using
1926         the alignment of the record.
1927         When a packed bitfield precedes an MS bitfield, don't add padding
1928         at the end of the packed bitfield on behalf of the base type of
1929         the packed bit field.
1930         Don't adjust rli->bitpos at the end
1931         of an MS bitfield run if we already adjusted bitpos/offset for an
1932         alignment as large or larger than the bitfield type size.
1933         Take possible record alignment > BIGGEST_ALIGNMENT into account
1934         when calculating actual_align.
1935         Only put packed buit fields into rli->prev_field if they end up
1936         suitably aligned.
1937         Also set rli->remaining_in_alignment when we re-set rli->prev_field.
1938         Update rli->remaining_in_alignment when we have already started a
1939         run of bit fields and we process a packed bit field.
1940
1941 2005-05-11  Sebastian Pop  <pop@cri.ensmp.fr>
1942
1943         * tree-data-ref.c (find_data_references_in_loop): Give up when
1944         the body of the loop contains a CALL_EXPR or an ASM_EXPR: they
1945         may embed arbitrary side effects.
1946         Remove the assumption that GIMPLE form contains a single array
1947         access per statement.
1948         When the statement contains virtual operands, fail if it is not
1949         a MODIFY_EXPR or a CALL_EXPR.
1950         Return after the dont know node is inserted.
1951
1952 2005-05-11  Richard Earnshaw  <richard.earnshaw@arm.com>
1953
1954         * arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.
1955
1956 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
1957
1958         PR middle-end/19807
1959         PR tree-optimization/19639
1960         * fold-const.c (try_move_mult_to_index): Handle INTEGER_CST
1961         and generic summands for char* as s * delta, too, folding &a[i]
1962         CODE x to &a[i CODE x/s].  Use tree_int_cst_equal
1963         for comparison of steps.  Convert types for index addition.
1964         (fold_binary): Adjust the callers to always dispatch to
1965         try_move_mult_to_index.
1966         * tree-ssa-propagate.c (set_rhs): Avoid setting rhs to
1967         expr with non-gimple ARRAY_REF offset.
1968
1969 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
1970
1971         * fold-const.c (fold_indirect_ref_1): Avoid removing
1972         NOP_EXPRs with type qualifiers like const.
1973
1974 2005-05-11  Richard Henderson  <rth@redhat.com>
1975
1976         PR c/21502
1977         * c-decl.c (finish_decl): Propagate the completed array type of
1978         a global variable into the binding.
1979
1980 2005-05-10  Matt Kraai  <kraai@ftbfs.org>
1981
1982         * Makefile.in (gtype-desc.o, build/genautomata.o)
1983         (build/varray.o): Depend on $(VARRAY_H).
1984
1985 2005-05-10  Diego Novillo  <dnovillo@redhat.com>
1986
1987         * tree-optimize.c (init_tree_optimization_passes): Re-organize
1988         optimization passes to do an initial batch of scalar cleanups.
1989
1990 2005-05-10  Ian Lance Taylor  <ian@airs.com>
1991
1992         * read-rtl.c (struct macro_traverse_data): Define.
1993         (map_attr_string): New static function, broken out of
1994         apply_macro_to_string.
1995         (mode_attr_index, apply_mode_maps): New static functions.
1996         (apply_macro_to_string): Call map_attr_string.
1997         (apply_macro_to_rtx): Add mode_maps and infile parameters.  Change
1998         all callers.
1999         (apply_macro_traverse): Expect data to point to a struct
2000         macro_traverse_data.
2001         (read_rtx): Add mode_maps local variable.  Use mode_traverse_data
2002         to pass data through htab_traverse.
2003         (read_rtx_1): Add mode_maps parameter.  Change all callers.
2004         Handle mode names which are attribute strings.
2005         * doc/md.texi (Substitutions): Rename from String Substitutions.
2006         Change references.  Document using attributes as modes.
2007
2008 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
2009
2010         * tree-cfg.c (tree_duplicate_sese_region): Update profile.
2011         * tree-optimize.c (init_tree_optimization_passes) Swap
2012         pass_ch and pass_profile.
2013         * tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile
2014         here.  Remove rewrite_into_loop_closed_ssa call.
2015
2016 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
2017
2018         * config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
2019         function.
2020         (legitimate_reload_constant_p): Add check for const double zero.
2021         * config/s390/s390.md: Add comment for constraint letter 'G'.
2022         ("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
2023         attributes for new case.
2024         * config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
2025         s390_const_double_ok_for_constraint_p.
2026         * config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
2027         Add prototype.
2028
2029 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
2030
2031         PR tree-optimization/21170
2032         * tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace
2033         rewrite_ssa_into_ssa in comments with update_ssa.
2034
2035 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
2036
2037         * tree-ssa-loop-im.c: Include hashtab.h.
2038         (struct mem_ref_loc): New.
2039         (struct mem_ref): Describe the set of references with the same
2040         shape.
2041         (max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs,
2042         maybe_queue_var, fem_single_reachable_address,
2043         for_each_memref, single_reachable_address,
2044         is_call_clobbered_ref, determine_lsm_reg): Removed.
2045         (record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref,
2046         hoist_memory_reference, memref_hash, memref_eq, memref_del,
2047         gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops):
2048         New functions.
2049         (rewrite_mem_refs, schedule_sm): Use mem_ref_loc list.
2050         (determine_lsm_loop): Rewritten.
2051         (determine_lsm): Do not set stmt uids.
2052
2053 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
2054
2055         * config/s390/s390.md: Add comment lines for 'f' and 't' constraint
2056         letters.
2057
2058 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
2059
2060         * config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
2061         ("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
2062         ("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.
2063
2064 2005-05-10  Jeff Law  <law@redhat.com>
2065
2066         * tree-ssa-dom.c (dom_opt_finalize_block): Do not call
2067         thread_across_edge for any abnormal edges.
2068
2069 2005-05-10  Richard Henderson  <rth@redhat.com>
2070
2071         * config/ia64/ia64.c (ia64_expand_atomic_op): New.
2072         * config/ia64/ia64-protos.h: Declare it.
2073         * config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New.
2074         (sync_add<I48MODE>, sync_old_add<I48MODE>): Remove.
2075         (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): New.
2076         (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): New.
2077         (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): New.
2078         (cmpxchg_rel_<I124MODE>): Split from cmpxchg_acq_<IMODE>.  Zero
2079         extend result; use release semantics.
2080         (cmpxchg_rel_di): Rename from cmpxchg_acq_<IMODE>; use release.
2081         (sync_val_compare_and_swap_<IMODE>): Update to match.
2082
2083 2005-05-10  Richard Henderson  <rth@redhat.com>
2084
2085         * optabs.c (expand_compare_and_swap_loop): Don't clobber old value
2086         before comparing it for success.
2087
2088 2005-05-10  Richard Henderson  <rth@redhat.com>
2089
2090         * config/ia64/sync.md (sync_add<I48MODE>): Fix arguments for
2091         no return value pattern.
2092
2093 2005-05-10  Grigory Zagorodnev  <grigory.zagorodnev@intel.com>
2094             H.J. Lu  <hongjiu.lu@intel.com>
2095
2096         * libgcov.c (create_file_directory): New function. Create
2097         directory for the given file name.
2098         (gcov_max_filename): New static var. Keeps size of the longest
2099         file name.
2100         (gcov_exit): Always try to create directory for output
2101         file. Relocate each filename basing on environment vars.
2102         (__gcov_init): Remember the longest file name.
2103         * tsystem.h: include filenames.h to get IS_DIR_SEPARATOR
2104         * doc/gcov.texi (Cross-profiling): New node documenting
2105         cross-profiling management.
2106         * doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling.
2107
2108 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2109
2110         * config/sparc/sparc.c (mem_min_alignment): Do not rely
2111         on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES.
2112
2113 2005-05-10  Bob Wilson  <bob.wilson@acm.org>
2114
2115         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special
2116         case code to avoid one move instruction.
2117         (__umodsi3, __modsi3): Merge duplicated code sequences.
2118
2119 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
2120
2121         * config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c,
2122         config/sh/sh.md, config/sh/superh.h: Fix comment typos.
2123         * doc/invoke.texi: Fix typos.
2124
2125         * tree-data-ref.c (analyze_array_indexes, analyze_array,
2126         init_data_ref, access_functions_are_affine_or_constant_p,
2127         free_data_refs): Use VEC instead of VARRAY.
2128         * tree-data-ref.h (data_reference): Change the type of
2129         access_fns to VEC(tree,gc)*.
2130         (DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.
2131
2132 2005-05-10  Gabor Loki <loki@gcc.gnu.org>
2133
2134         PR c/17913
2135         * c-typeck.c (build_conditional_expr): Remove reducing cond_expr.
2136         * fold-const.c (fold): Expand the condition of reducing cond_expr.
2137         (contains_label_1, contains_label_p): New functions for checking
2138         labels in a sub-tree.
2139
2140 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
2141
2142         PR c/21342
2143         * c-decl.c (pushdecl): When there is a declaration in the current
2144         scope and the declarations are external linkage, check for
2145         compatibility with the type in the external scope and update the
2146         type in the external scope with the composite type information.
2147         Do not form a composite type of the new type and the visible type
2148         if they are incompatible.
2149
2150 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
2151
2152         * crtstuff.c: Revert part of 2005-05-08 Change.
2153         (IN_LIBGCC2): Define.
2154
2155 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2156
2157         * config/sparc/sparc.c (fp_sethi_p): Test !SPARC_SIMM13_P and
2158         remove redundant test.
2159         (fp_mov_p): Accept 0.
2160         (fp_high_losum_p): Remove redundant test.
2161         * config/sparc/predicates.md (const_high_operand): Explicitly test
2162         (not small_int_operand).
2163         (fp_const_high_losum_operand): New.
2164         * config/sparc/sparc.md (movsi_insn): Do not emit 'clr'.  Reorder.
2165         (movdi_insn_sp32_v9): Use canonical predicates.
2166         (movdi_insn_sp32): Test !TARGET_V9 instead of !TARGET_ARCH64.
2167         (movdi_insn_sp64_novis): Delete.
2168         (movdi_insn_sp64_vis): Rename into movdi_insn_sp64.
2169         (movsf_insn_novis): Delete.
2170         (movsf_insn_vis): Rename into movsf_insn.
2171         (movsf_no_f_insn): Rename into movsf_insn_no_fpu.
2172         (movsf_lo_sum): Use fp_const_high_losum_operand.
2173         (movsf_high): Likewise.
2174         (movsf_high_losum splitter): Likewise.
2175         (mov<V32:mode> expander): Use register_or_zero_operand.
2176         (mov<V64:mode> expander): Likewise.
2177         (movdf_insn_sp32): Use register_or_zero_operand.
2178         (movdf_no_e_insn_sp32): Use register_or_zero_operand.
2179         Rename into movdf_insn_sp32_no_fpu.
2180         (movdf_no_e_insn_v9_sp32): Use register_or_zero_operand.
2181         Rename into movdf_insn_sp32_v9_no_fpu.
2182         (movdf_insn_v9only_novis): Delete.
2183         (movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9.
2184         (movdf_insn_sp64_novis): Delete.
2185         (movdf_insn_sp64_vis): Rename into movdf_insn_sp64.
2186         (movdf_no_e_insn_sp64): Use register_or_zero_operand.
2187         Rename into movdf_insn_sp64_no_fpu.
2188         (movtf expander): Use register_or_zero_operand.
2189         (movtf_insn_sp32): Delete.
2190         (movtf_insn_vis_sp32): Use register_or_zero_operand.
2191         Rename into movtf_insn_sp32.
2192         (movtf_no_e_insn_sp32): Use register_or_zero_operand.
2193         Rename into movtf_insn_sp32_no_fpu.
2194         (movtf_insn_hq_sp64): Delete.
2195         (movtf_insn_hq_vis_sp64): Use register_or_zero_operand.
2196         Rename into movtf_insn_sp64_hq.
2197         (movtf_insn_sp64): Delete.
2198         (movtf_insn_vis_sp64): Use register_or_zero_operand.
2199         Rename into movtf_insn_sp64.
2200         (movtf_no_e_insn_sp64): Use register_or_zero_operand.
2201         Rename into movtf_insn_sp64_no_fpu.
2202
2203 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
2204
2205         * config/stormy16/stormy16.c (xstormy16_emit_cbranch): Use
2206         gcc_assert and gcc_unreachable as appropriate.
2207         (xstormy16_split_cbranch, xstormy16_output_cbranch_hi,
2208         xstormy16_output_cbranch_si, xstormy16_split_move,
2209         xstormy16_initial_elimination_offset,
2210         xstormy16_encode_section_info, xstormy16_print_operand_address,
2211         xstormy16_expand_call, xstormy16_expand_arith,
2212         xstormy16_output_shift, xstormy16_init_builtins): Likewise.
2213
2214 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
2215
2216         * tree-outof-ssa.c (_elim_graph): Change the type of nodes and
2217         const_copies to VEC(tree,heap)*.
2218         (new_elim_graph, delete_elim_graph, elim_graph_size,
2219         elim_graph_add_node, eliminate_build, eliminate_phi): Use VEC
2220         instead of VARRAY.
2221
2222 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
2223
2224         PR other/21052
2225         * doc/extend.texi (Type Attributes): Correct example syntax.
2226
2227 2005-05-09  Joseph S. Myers  <joseph@codesourcery.com>
2228
2229         PR c/21160
2230         * doc/invoke.texi (-Wuninitialized): Update documentation.
2231
2232 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
2233
2234         * arm.c (const_ok_for_arm): Use a faster algorithm.
2235
2236 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
2237
2238         PR target/21477
2239         * config/rs6000/rs6000.md (add_op2): New.
2240         (add<mode>3): Use it.
2241
2242 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
2243
2244         * arm.c (arm_gen_constant): Add new heuristic for generating
2245         constant integers that can be expressed as the difference of two
2246         valid immediates.
2247
2248 2005-05-09  Roger Sayle  <roger@eyesopen.com>
2249
2250         * c-tree.h (parser_build_unary_op): New prototype.
2251         * c-typeck.c (parser_build_unary_op): New function to construct
2252         a unary operation in the C parser.
2253         * c-parser.c (c_parser_unary_expression):  Use the new function
2254         parser_build_unary_op when appropriate.
2255
2256 2005-05-09  Mark Mitchell  <mark@codesourcery.com>
2257
2258         PR 18655
2259         * dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT
2260         before outputting DWARF_FRAME_RETURN_COLUMN.
2261
2262 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2263
2264         * config/s390/s390.c: (s390_branch_condition_mask,
2265         s390_branch_condition_mnemonic, s390_extra_constraint_str,
2266         s390_const_ok_for_constraint_p, s390_expand_plus_operand,
2267         legitimize_pic_address, s390_emit_tls_call_insn,
2268         legitimize_tls_address, legitimize_tls_address,
2269         s390_expand_addcc, print_shift_count_operand, print_operand,
2270         addr_generation_dependency_p, annotate_constant_pool_refs,
2271         s390_split_branches, find_constant_pool_ref,
2272         replace_constant_pool_ref, s390_add_constant, s390_find_constant,
2273         s390_find_execute, s390_mainpool_start, s390_chunkify_start,
2274         s390_output_pool_entry, s390_function_value,
2275         s390_call_saved_register_used, s390_emit_call): Replace
2276         conditional aborts by gcc_assert and unconditional by gcc_unreachable.
2277         (s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
2278         s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
2279         get_some_local_dynamic_name, s390_function_arg_size,
2280         s390_function_arg_advance, s390_function_arg,
2281         s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
2282         default case by gcc_unreachable.
2283         * config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
2284         conditional abort by gcc_assert.
2285         ("doloop_si31"): Replace abort in last else by gcc_unreachable.
2286         ("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.
2287
2288 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2289
2290         * config/s390/s390.c: (s390_decompose_address,
2291         tls_symbolic_operand, legitimate_pic_operand_p,
2292         legitimate_constant_p, legitimate_reload_constant_p,
2293         s390_expand_plus_operand, legitimate_address_p,
2294         legitimate_la_operand_p, ): Remove 'register' from signature.
2295         (symbolic_reference_mentioned_p,
2296         tls_symbolic_reference_mentioned_p): Remove 'register' from local
2297         variable declarations.
2298         (legitimize_address): Remove 'register' from
2299         signature and local variable declarations.
2300
2301 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2302
2303         * config/s390/s390-protos.h: (s390_match_ccmode,
2304         s390_match_ccmode_set, reg_used_in_mem_p,
2305         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
2306         legitimate_la_operand_p, preferred_la_operand_p,
2307         s390_short_displacement, addr_generation_dependency_p,
2308         legitimate_reload_constant_p, legitimate_address_p): Change return type
2309         into 'bool'.
2310         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
2311         * config/s390/s390.c: (s390_match_ccmode,
2312         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
2313         legitimate_reload_constant_p): Change return type into 'bool'.
2314         (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
2315         Likewise.  Additionally adapted comment.
2316         (s390_extra_constraint_p): Change Comment to reflect 'int' return type.
2317         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
2318         (s390_decompose_address): Change the type of the internal flags
2319         "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
2320         (struct s390_address): Change type of "pointer" into bool.
2321         * config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
2322         Adapt calls for 's390_tm_ccmode' to the new signature.
2323
2324 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2325
2326         * config/s390/s390.c: (s390_match_ccmode_set,
2327         s390_branch_condition_mnemonic, s390_short_displacement,
2328         s390_decompose_address, get_thread_pointer, legitimize_tls_address,
2329         print_shift_count_operand, get_some_local_dynamic_name,
2330         get_some_local_dynamic_name_1, reg_used_in_mem_p,
2331         addr_generation_dependency_p, s390_split_branches,
2332         annotate_constant_pool_refs, find_constant_pool_ref,
2333         replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base,
2334         s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area,
2335         s390_register_info, s390_frame_info, s390_init_frame_layout,
2336         s390_update_frame_layout, save_fpr, restore_fpr, save_gprs,
2337         restore_gprs, s390_function_arg_size, s390_function_arg_float,
2338         s390_init_machine_status, s390_assemble_integer, s390_handle_option,
2339         s390_encode_section_info, s390_cannot_force_const_mem,
2340         s390_delegitimize_address, s390_return_in_memory, s390_init_builtins,
2341         s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type,
2342         s390_adjust_priority, s390_issue_rate,
2343         s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p,
2344         s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode,
2345         s390_build_builtin_va_list, s390_gimplify_va_arg,
2346         s390_function_ok_for_sibcall, s390_call_saved_register_used,
2347         s390_pass_by_reference, s390_fixed_condition_code_regs,
2348         s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish,
2349         s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish,
2350         s390_chunkify_cancel, s390_start_pool, s390_end_pool,
2351         s390_add_pool_insn, s390_find_pool, s390_add_constant,
2352         s390_find_constant, s390_add_execute, s390_find_execute,
2353         s390_execute_label, s390_execute_target, s390_dump_pool,
2354         s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes.
2355         Move target macro definitions to the end of the file.  Move several
2356         functions within the file to assure correct compiling.
2357
2358 2005-05-09  Steven Bosscher  <stevenb@suse.de>
2359
2360         * calls.c (purge_reg_equiv_notes): Remove, fold into...
2361         (fixup_tail_calls): ...here.  Only look at insns between the
2362         start of the function and the FUNCTION_BEG insn note.
2363
2364         * gcse.c (one_cprop_pass): Fix typos in dumps.
2365
2366         * tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos.
2367
2368 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2369
2370         * config/s390/s390.h: Move xxx_REGNUM definitions to s390.md.
2371         * config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM",
2372         "RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants.
2373         Replace every occurrence of '(reg:<MODE> 33)' by '(reg:<MODE>
2374         CC_REGNUM)'.
2375         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace
2376         '(reg:<MODE> 36)' by '(reg:<MODE> TP_REGNUM)'.
2377         ("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI
2378         REG_SC)'.
2379
2380 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2381
2382         * config/s390/s390.md: ("gf") New mode attribute.
2383         ("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2",
2384         "fixuns_truncsfsi2"): Merge.
2385         ("fix_truncdfdi2", "fix_truncsfdi2"): Merge.
2386         ("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee",
2387         "fix_truncsfsi2_ieee"): Merge.
2388
2389 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2390
2391         * config/s390/s390.md: ("FPR") New mode macro.
2392         ("de", "dee"): New mode attributes.
2393         ("cmpdf", "cmpsf"): Merge.
2394         ("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge.
2395         ("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge.
2396         ("*cmpdf_ccs", "*cmpsf_ccs"): Merge.
2397         ("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge.
2398         ("floatdidf2", "floatdisf2"): Merge.
2399         ("adddf3", "addsf3"): Merge.
2400         ("*adddf3", "*addsf3"): Merge.
2401         ("*adddf3_cc", "*addsf3_cc"): Merge.
2402         ("*adddf3_cconly", "*addsf3_cconly"): Merge.
2403         ("*adddf3_ibm", "*addsf3_ibm"): Merge.
2404         ("subdf3", "subsf3"): Merge.
2405         ("*subdf3", "*subsf3"): Merge.
2406         ("*subdf3_cc", "*subsf3_cc"): Merge.
2407         ("*subdf3_cconly", "*subsf3_cconly"): Merge.
2408         ("*subdf3_ibm", "*subsf3_ibm"): Merge.
2409         ("muldf3", "mulsf3"): Merge.
2410         ("*muldf3", "*mulsf3" "): Merge.
2411         ("*muldf3_ibm", "*mulsf3_ibm"): Merge.
2412         ("*fmadddf", "*fmaddsf"): Merge.
2413         ("*fmsubdf", "*fmsubsf"): Merge.
2414         ("divdf3", "divsf3"): Merge.
2415         ("*divdf3", "*divsf3"): Merge.
2416         ("*divdf3_ibm", "*divsf3_ibm"): Merge.
2417         ("negdf2", "negsf2"): Merge.
2418         ("*negdf2_cc", "*negsf2_cc"): Merge.
2419         ("*negdf2_cconly", "*negsf2_cconly"): Merge.
2420         ("*negdf2", "*negsf2"): Merge.
2421         ("*negdf2_ibm", "*negsf2_ibm"): Merge.
2422         ("absdf2", "abssf2"): Merge.
2423         ("*absdf2_cc", "*abssf2_cc"): Merge.
2424         ("*absdf2_cconly", "*abssf2_cconly"): Merge.
2425         ("*absdf2", "*abssf2"): Merge.
2426         ("*absdf2_ibm", "*abssf2_ibm"): Merge.
2427         ("*negabsdf2_cc", "*negabssf2_cc"): Merge.
2428         ("*negabsdf2_cconly", "*negabssf2_cconly"): Merge.
2429         ("*negabsdf2", "*negabssf2"): Merge.
2430         ("sqrtdf2", "sqrtsf2"): Merge.
2431
2432 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2433
2434         * config/s390/s390.c: (s390_adjust_priority): Adapt to changed
2435         attribute names.
2436         * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
2437         "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
2438         ("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
2439         "x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type'
2440         attribute names.
2441         * config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads,
2442         fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to
2443         "fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf,
2444         fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf".
2445         ("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs",
2446         "*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm",
2447         "*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31",
2448         "*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf",
2449         "*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3",
2450         "mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm",
2451         "*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm",
2452         "*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc",
2453         "*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc",
2454         "*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc",
2455         "*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc",
2456         "*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename
2457         'type' value.
2458         ("*divsf3"): Additionally rename second pattern to
2459         "*divsf3_ibm".
2460         ("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
2461         "*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm",
2462         "*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3",
2463         "subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3",
2464         "subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical
2465         'type values' and rename 'type' value.
2466         ("*addsf3"): Additionally rename second pattern to
2467         "*addsf3_ibm".
2468
2469 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2470
2471         * config/s390/s390.md: ("SHIFT"): New mode macro.
2472         ("lr", "shift"): New mode attributes.
2473         ("ashldi3", "lshrdi3"): Merge.
2474         ("*ashldi3_31", "*lshrdi3"_31): Merge.
2475         ("*ashldi3_64", "*lshrdi3"_64): Merge.
2476         ("ashlsi3", "lshrsi3"): Merge.
2477
2478 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2479
2480         * config/s390/s390.md: ("DSI", "SCOND"): New mode
2481         macros.
2482         ("E", "g"): New mode attributes.
2483         ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
2484         ("*adddi3_alc", "*addsi3_alc"): Merge.
2485         ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
2486         ("*subdi3_slb", "*subsi3_slb"): Merge.
2487         ("adddicc", "addsicc"): Merge.
2488         ("*sconddi", "*scondsi"): Merge.
2489         ("*sconddi_neg", "*scondsi_neg"): Merge.
2490         ("sltu", "sgtu", "sleu", "sgeu"): Merge.
2491         ("negdi2", "negsi2"): Extract expander pattern from
2492         "negsi2" and merge with "negdi2".
2493         ("*negdi2"): Merge with instruction pattern of "negsi2".
2494         ("*negdi2_cc", "*negsi2_cc"): Merge.
2495         ("*negdi2_cconly", "*negsi2_cconly"): Merge.
2496         ("rotldi3", "rotlsi3"): Merge.
2497
2498 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2499
2500         * config/s390/s390.md: ("hc"): New mode attribute.
2501         ("extendhidi2", "extendqidi2"): Merge.
2502         ("*extendhidi2", "*extendqidi2"): Merge.
2503         ("extendhisi2", "extendqisi2"): Merge.
2504         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
2505         ("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
2506         Merged 2 define_split.
2507         ("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
2508         ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.
2509
2510 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2511
2512         * config/s390/s390.md: ("COMPARE"): New mode macro.
2513         ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
2514         "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
2515         "bungt", "bunle", "bunge", "bltgt"): Merge.
2516
2517 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2518
2519         * config/s390/s390.md: ("INT"): New mode macro.
2520         ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
2521         Merge.
2522
2523 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2524
2525         * config/s390/s390.md: ("GPR", "P"): New mode macros.
2526         ("cmpdi", "cmpsi"): Merge.
2527         ("strlendi", "strlensi"): Merge.
2528         ("*strlendi", "*strlensi"): Merge.
2529         ("movmemdi", "movmemsi"): Merge.
2530         ("clrmemdi", "clrmemsi"): Merge.
2531
2532 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2533
2534         * config/s390/s390.md: ("HQI"): New mode macro.
2535         ("icm_lo", "icm_hi", "max_uint"): New mode attributes.
2536         ("*tmhi_full", "*tmqi_full"): Merge.
2537         ("*tsthiCCT", "*tstqiCCT"): Merge.
2538         ("*tsthi", "*tstqi"): Merge.
2539         ("*tsthi_cconly", "tstqi_cconly"): Merge.
2540         ("*sethighhisi", "*sethighqisi"): Merge.
2541
2542 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
2543
2544         * crtstuff.c, integrate.h, tree-scalar-evolution.h,
2545         config/alpha/unicosmk.h, config/arc/arc.md,
2546         config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
2547         config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
2548         config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
2549         config/arm/semi.h, config/arm/uclinux-elf.h,
2550         config/arm/wince-pe.h, config/fr30/fr30.c,
2551         config/rs6000/altivec.h: Update copyright.
2552
2553 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
2554
2555         * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
2556         gcc_assert and gcc_unreachable as appropriate.
2557         (pdp11_output_function_epilogue, output_move_double,
2558         output_move_quad, print_operand_address, output_jump,
2559         output_addr_const_pdp11): Likewise.
2560         * config/pdp11/pdp11.h (FUNCTION_PROFILER,
2561         ASM_OUTPUT_ALIGN): Likewise.
2562         * config/pdp11/pdp11.md: Likewise.
2563         (extendhisi2, subhi3, subqi3): Likewise.
2564
2565 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
2566
2567         PR middle-end/21237
2568         * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
2569         to NE_EXPR case.
2570
2571 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
2572
2573         * config/ia64/ia64.c: Fix a comment typo.
2574
2575 2005-05-09  Richard Earnshaw  <rearnsha@arm.com>
2576
2577         PR target/21397
2578         * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
2579         (arm_override_options): Use them instead of manifest constants.  Don't
2580         allow -march to override the -mtune setting.
2581
2582 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
2583
2584         * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
2585         (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
2586         (function_arg_advance, function_arg, save_restore_insns,
2587         iq2000_expand_prologue, iq2000_output_conditional_branch,
2588         expand_one_builtin, print_operand):
2589         * config/iq2000/iq2000.md (tablejump): Likewise.
2590
2591 2005-05-09  David Ung  <davidu@mips.com>
2592
2593         * config/mips/mips.h (processor_type): Add names for the 24K.
2594         * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
2595         processor family.
2596         * config/mips/mips.md (cnv_mode): New attribute for recording the
2597         conversion types of float convert insns.
2598         (cpu): Add 24k and 24kx.
2599         (include): Include 24k.md file.
2600         (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
2601         (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
2602         (floatdisf2): Setup cnv_mode.
2603         (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
2604         setup cnv_mode.
2605         * config/mips/24k.md: New file, contains 24k DFA pipeline
2606         description.
2607
2608 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
2609
2610         * config/sh/sh.c (print_operand_address): Use gcc_assert and
2611         gcc_unreachable as appropriate.
2612         (print_operand, prepare_move_operands, prepare_scc_operands,
2613         output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
2614         gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
2615         fixup_mova, gen_far_branch, sh_reorg, split_branches,
2616         final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
2617         sh_set_return_address, sh_setup_incoming_varargs,
2618         initial_elimination_offset, sh_pch_valid_p, get_free_reg,
2619         sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
2620         check_use_sfunc_addr): Likewise.
2621         * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
2622         * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
2623         * config/sh/symbian.c (sh_symbian_mark_dllexport,
2624         sh_symbian_mark_dllimport): Likewise.
2625         * config/sh/sh.md: Likewise.
2626         (movdicc, call_pop, call_value_pop, casesi_worker_1,
2627         casesi_worker_2, casesi_shift_media, casesi_load_media,
2628         return_media): Likewise.
2629
2630 2005-05-08  Roger Sayle  <roger@eyesopen.com>
2631
2632         PR inline-asm/8788
2633         * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
2634         operands.
2635
2636 2005-05-08  Richard Henderson  <rth@redhat.com>
2637
2638         * config/alpha/alpha.c (adjust_address): Fix typo last change.
2639
2640 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2641
2642         * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
2643         and -1 can happen in reg_renumber when no hard register is assigned.
2644
2645 2005-05-08  Steven Bosscher  <stevenb@suse.de>
2646             Kazu Hirata  <kazu@cs.umass.edu>
2647
2648         PR tree-optimization/14841, tree-optimization/15838
2649         * tree-ssa-ccp.c (fold_const_aggregate_ref): New.
2650         (evaluate_stmt): Call it.
2651
2652 2005-05-08  Jakub Jelinek  <jakub@redhat.com>
2653
2654         * config/ia64/ia64.c (ia64_override_options): Don't set
2655         ia64_flag_var_tracking and clear flag_var_tracking here...
2656         (ia64_file_start): ... but here.
2657
2658 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2659
2660         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
2661         and gcc_unreachable as appropriate.
2662         (expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
2663         m68hc11_gen_highpart, print_operand, print_operand_address,
2664         m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
2665         m68hc11_gen_movhi): Likewise.
2666         * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
2667         * config/m68hc11/m68hc11.md: Reword comment.
2668
2669 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2670
2671         PR target/21281
2672         * config/m68hc11/predicates.md (splitable_operand): An immediate is
2673         allowed.
2674
2675 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2676
2677         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
2678         the 68HC12 address indirect addressing mode as it is not supported by
2679         bset and bclr.
2680         * config/m68hc11/m68hc11-protos.h
2681         (m68hc11_valid_addressing_p): Declare.
2682         (m68hc11_add_mode): Declare.
2683         * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
2684         register_indirect_p and export it.
2685         (m68hc11_z_replacement): Use emit_insn_after when adding the save Z
2686         instruction so that it is part of the good BB.
2687         (m68hc11_gen_movhi): Fix invalid generation of indexed indirect
2688         addressing with movw.
2689         (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
2690         68HC12.
2691         * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
2692         ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
2693         * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
2694         for 68HC11.
2695         ("*movhi_68hc12"): Handle movhi_const0.
2696         ("*subhi3", "subqi3"): Use general_operand for operand 1.
2697         ("*subhi3_zext"): Likewise.
2698
2699 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2700
2701         PR target/19051
2702         * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
2703         operand 1 and fix constraints.
2704         ("mulqihi3"): Use general_operand for operand 2.
2705
2706 2005-05-08  Julian Brown  <julian@codesourcery.com>
2707             H.J. Lu  <hongjiu.lu@intel.com>
2708             Paul Brook  <paul@codesourcery.com>
2709
2710         * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
2711         GNU linker. Support linker version x.x.x.x.x. Require GNU linker
2712         20050308/2.16.0 or newer for comdat group.
2713         * configure: Regenerated.
2714         * config.in: Regenerated.
2715         * varasm.c (default_function_rodata_section): Put .rodata section in
2716         COMDAT group when necessary.
2717         (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
2718         HAVE_COMDAT_GROUP.
2719         (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
2720         available.
2721
2722 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
2723
2724         * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
2725         instead of VARRAY.
2726         * tree-flow.h (num_referenced_var, referenced_var): Likewise.
2727         * tree-into-ssa.c (mark_def_site_blocks): Likewise.
2728         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
2729         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
2730
2731 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
2732
2733         PR target/16925
2734         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
2735         64-bit constants on 64-bit hosts.
2736         (m68hc11_split_logical): Simplify.
2737         (m68hc11_split_move): Likewise.
2738
2739 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2740             Paolo Bonzini  <bonzini@gnu.org>
2741
2742         * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
2743         * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
2744         * configure.ac (enable_checking): Fix typos in runtime_checking.
2745         (ENABLE_RUNTIME_CHECKING): Mark as target template.
2746         (xm_file): Prepend auto-host.h
2747         (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
2748         * mkconfig.sh: Do not automatically define USED_FOR_TARGET in
2749         tconfig.h.
2750         * crtstuff.c: Do not include auto-host.h.
2751         (IN_LIBGCC2): Do not define.
2752         * gcov-io.h: Include tconfig.h, not auto-host.h.
2753         * libgcc2.c: Do not include auto-host.h.
2754         (abort): Do not undefine.
2755         * libgcov.c: Remove unneeded comment about config.h.
2756         * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
2757         * config.in, configure: Regenerated.
2758
2759 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2760             Falk Hueffner  <falk@debian.org>
2761
2762         * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
2763         and gcc_unreachable as appropriate.
2764         (get_aligned_mem, get_unaligned_address,
2765         alpha_emit_set_long_const, alpha_emit_conditional_branch,
2766         alpha_emit_setcc, alpha_emit_conditional_move,
2767         alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
2768         alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
2769         alpha_expand_unaligned_load, alpha_expand_block_move,
2770         alpha_expand_zap_mask, get_trap_mode_suffix,
2771         get_round_mode_suffix, get_some_local_dynamic_name,
2772         print_operand_address, function_arg, alpha_return_in_memory,
2773         function_value, alpha_expand_builtin,
2774         alpha_initial_elimination_offset, alpha_expand_epilogue,
2775         summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
2776         alphaev5_next_group, alpha_align_insns,
2777         unicosmk_initial_elimination_offset, unicosmk_unique_section,
2778         unicosmk_ssib_name): Likewise.
2779         * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
2780         * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
2781         ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
2782         * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
2783         ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
2784         * config/alpha/alpha.md (*divmodsi_internal_er,
2785         *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
2786         call_nt, call_umk, call_vms, call_value, sibcall_value,
2787         call_value_osf, call_value_nt, call_value_vms, call_value_umk,
2788         *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
2789         * config/alpha/predicates.md (input_operand): Likewise.
2790
2791 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
2792
2793         * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
2794         gcc_unreachable, as appropriate.
2795         (frv_function_prologue, frv_alloc_temp_reg,
2796         frv_initial_elimination_offset, frv_expand_block_move,
2797         frv_expand_block_clear, frv_print_operand_jump_hint,
2798         frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
2799         frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
2800         frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
2801         frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
2802         frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
2803         frv_in_small_data_p, frv_asm_out_constructor,
2804         frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
2805         * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
2806         *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
2807         *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
2808         sibcall_value, casesi): Likewise.
2809
2810         * config/mn10300/mn10300.c (print_operand): Use gcc_assert and
2811         gcc_unreachable as appropriate.
2812         (print_operand_address, mn10300_print_reg_list, expand_prologue,
2813         expand_epilogue, notice_update_cc, initial_offset,
2814         mn10300_address_cost_1): Likewise.
2815         * config/mn10300/mn10300.md: Likewise.
2816         (absdf2, abssf2, negdf2, negsf2): Likewise.
2817
2818 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
2819
2820         PR target/21416
2821         * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
2822         comparisons.
2823         * config/mips/mips.md (swapped_fcond): New code macro and attribute.
2824         (sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
2825         including sunge_<mode> and sungt_<mode>.
2826
2827 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
2828
2829         * integrate.h (get_hard_reg_initial_val): Change type of register
2830         parameter from int to unsigned int.
2831         (has_hard_reg_initial_val): Likewise.
2832         * integrate.c (get_hard_reg_initial_val): Likewise.
2833         (has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.
2834
2835 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
2836
2837         * except.c (eh_status): Change the type of ttype_data to
2838         VEC(tree,gc)*.
2839         (add_ttypes_entry, assign_filter_values,
2840         output_function_exception_table): Use VEC instead of VARRAY.
2841
2842 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
2843
2844         * config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.
2845
2846 2005-05-07  Paul Brook  <paul@codesourcery.com>
2847
2848         * Makefile.in: Fix dependencies.
2849         (GCOV_IO_H, VARRAY_H): Set.
2850
2851 2005-05-07  Anthony Green  <green@redhat.com>
2852
2853         PR bootstrap/21403
2854         * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
2855         x$STMP_FIXPROTO test.
2856         * configure: Rebuilt.
2857
2858 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
2859
2860         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
2861         inappropriate feature test macros if flag_iso.
2862
2863 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
2864
2865         * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
2866
2867 2005-05-07  Hans-Peter Nilsson  <hp@axis.com>
2868
2869         PR target/21441
2870         * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
2871         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
2872         Handle moved operand being in special register.
2873         ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
2874         presumed working insn.
2875         (mover2side): Add FIXME.
2876
2877 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
2878
2879         * integrate.c (get_func_hard_reg_initial_val): Delete.
2880         (has_func_hard_reg_initial_val): Delete.
2881         (get_hard_reg_initial_val): Inline the old implementation of
2882         get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
2883         instead of has_func_hard_reg_initial_val to test for an existing
2884         pseudo.  Only create an rtx if a new initial value entry is needed.
2885         (has_hard_reg_initial_val): Scan the initial value list directly.
2886         Don't create an rtx.
2887
2888 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
2889
2890         * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
2891         from extra_options.
2892         * config.in (HAVE_AS_POPCNTB): New.
2893         * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
2894         (HAVE_AS_POPCNTB): New.
2895         * configure: Regenerated.
2896         * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
2897         * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
2898         MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
2899         and rs6000_sched_costly_dep.
2900         * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
2901         (TARGET_XL_COMPAT): Delete.
2902         * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
2903         (popcount<mode>2): New.
2904         (popcntb<mode>2): New.
2905         * config/rs6000/rs6000.opt (mpopcntb): New.
2906
2907         * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
2908         if variable name exists.
2909
2910 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
2911
2912         * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
2913
2914 2005-05-07  Richard Henderson  <rth@redhat.com>
2915
2916         PR target/21412
2917         * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
2918         with constant offsets.
2919
2920 2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
2921
2922         * config/v850/v850.c (print_operand): Use gcc_assert and
2923         gcc_unreachable, as appropriate.
2924         (print_operand_address, v850_handle_data_area_attribute,
2925         v850_encode_data_area, construct_restore_jr, construct_save_jarl,
2926         v850_insert_attributes, construct_prepare_instruction): Likewise.
2927         * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
2928         * config/v850/v850.md (movsicc, *sasf_1): Likewise.
2929
2930 2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
2931
2932         * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
2933         config/rs6000/rs6000.h: Fix comment typos.
2934
2935 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
2936
2937         * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
2938         * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
2939         (mips_scalar_mode_supported_p): Delete.
2940
2941 2005-05-06  Eric Christopher  <echristo@redhat.com>
2942
2943         * config/mips/mips.opt: Remove -mint64 option.
2944         * config/mips/mips.c (override_options): Remove -mint64
2945         handling.
2946         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
2947         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
2948         64-bit integer handling.
2949         * doc/invoke.texi (Option Summary): Remove -mint64 for
2950         mips.
2951
2952 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
2953
2954         PR tree-optimization/19401
2955         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
2956         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
2957         (estimated_unrolled_size): New function.
2958         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
2959         tree_unroll_loops_completely): Always unroll loops if the code size
2960         does not increase.
2961         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
2962         loops should be unrolled completely.
2963         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
2964
2965 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
2966
2967         PR rtl-optimization/21254
2968         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
2969         assumptions for loops that otherwise do not roll.
2970         (find_simple_exit): Prefer # of iterations that is guaranteed
2971         not to be infinite.
2972         * loop-unroll.c (decide_peel_once_rolling,
2973         decide_peel_completely): Check whether the loop is infinite.
2974
2975 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
2976
2977         * config/rs6000/sysv4.opt: Fix typo.
2978
2979 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
2980             Jakub Jelinek  <jakub@redhat.com>
2981
2982         PR target/21329
2983         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
2984         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
2985         Don't use rep; movs{l,q} if the repetition count is really small,
2986         instead use a sequence of movs{l,q} instructions.
2987
2988 2005-05-06  Jeff Law  <law@redhat.com>
2989
2990         PR tree-optimization/21380
2991         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
2992         thread through a block with no preds.
2993
2994 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
2995
2996         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
2997         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
2998         add_call_read_ops): Use VEC instead of VARRAY.
2999
3000 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
3001
3002         * config/mcore/mcore.c (mcore_print_operand_address): Use
3003         gcc_assert and gcc_unreachable as appropriate.
3004         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
3005         mcore_output_andn, output_inline_const, mcore_output_move,
3006         mcore_output_movedouble, mcore_expand_block_move,
3007         layout_mcore_frame, mcore_initial_elimination_offset,
3008         mcore_expand_prolog, mcore_mark_dllexport,
3009         mcore_mark_dllimport): Likewise.
3010         * config/mcore/mcore.h (switch_to_section): Likewise.
3011         * config/mcore/mcore.md: Likewise.
3012
3013 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
3014
3015         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
3016         TARGET_PROFILE_KERNEL.
3017
3018         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
3019         TARGET_PROFILE_KERNEL use.
3020
3021 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
3022
3023         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
3024         and gcc_unreachable, as appropriate.
3025         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
3026         m32r_expand_prologue, m32r_output_function_epilogue,
3027         m32r_legitimize_pic_address, m32r_print_operand_address,
3028         emit_cond_move, m32r_function_symbol,
3029         m32r_output_block_move): Likewise.
3030         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
3031         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
3032         *rev_zero_branch_insn): Likewise.
3033
3034 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
3035
3036         PR c++/20961
3037         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
3038         if both NEWDECL and OLDDECL are already weak.
3039
3040 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
3041
3042         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
3043
3044 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
3045             Kaz Kojima  <kkojima@gcc.gnu.org>
3046
3047         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
3048         and plus_constant.
3049
3050 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
3051             David Edelsohn  <edelsohn@gnu.org>
3052
3053         * config.gcc: Add .opt magic for the rs6000 ports.
3054
3055         * doc/invoke.texi: Document -mabi= option properly.  Document
3056         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
3057         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
3058         -misel=.
3059
3060         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
3061         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
3062         TARGET_XL_COMPAT.
3063
3064         * config/rs6000/aix.opt: New.
3065         * config/rs6000/aix41.opt: New.
3066         * config/rs6000/aix64.opt: New.
3067         * config/rs6000/darwin.opt: New.
3068         * config/rs6000/linux64.opt: New.
3069         * config/rs6000/rs6000.opt: New.
3070         * config/rs6000/sysv4.opt: New.
3071
3072         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
3073         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
3074         SUBTARGET_SWITCHES.
3075         Define TARGET_USES_SYSV4_OPT.
3076         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
3077         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
3078         TARGET_USES_AIX64_OPT.
3079         * config/rs6000/aix51.h: Same.
3080         * config/rs6000/aix52.h: Same.
3081         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
3082         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
3083         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
3084         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
3085         * config/rs6000/linux64.h: Use
3086         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
3087
3088         * config/rs6000/rs6000.c: Remove definitions of
3089         rs6000_sched_restricted_insns_priority,
3090         rs6000_long_double_size_string, rs6000_altivec_vrsave,
3091         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
3092         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
3093         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
3094         rs6000_alignment_string.  Define rs6000_explicit_options.
3095         (rs6000_parse_abi_options): Remove.
3096         (rs6000_parse_alignment_option): Remove.
3097         (rs6000_parse_float_gprs_option): Remove.
3098         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
3099         TARGET_DEFAULT_TARGET_FLAGS.
3100         (rs6000_override_options): Revamp to use new .opt machinery.
3101
3102         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
3103         of new .opt machinery.  Remove target_flags.  Redefine
3104         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
3105         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
3106         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
3107         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
3108         rs6000_longcall_switch, rs6000_default_long_calls,
3109         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
3110         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
3111         TARGET_ALTIVEC_VRSAVE.
3112
3113 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
3114
3115         * config.gcc (hppa1.1-*-rtems*): Remove.
3116         * config/pa/rtems.h: Remove.
3117
3118 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
3119
3120         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
3121         Exclude roe/603e multilib variants.
3122
3123 2005-05-04  Denis Chertykov  <denisc@overta.ru>
3124
3125         PR target/21284
3126         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
3127         for output.
3128
3129 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
3130
3131         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
3132         arm/pe.opt to $extra_options.
3133         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
3134         (target_float_abi_name, target_float_switch, target_abi_name)
3135         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
3136         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
3137         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
3138         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
3139         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
3140         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
3141         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
3142         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
3143         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
3144         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
3145         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
3146         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
3147         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
3148         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
3149         (arm_pic_register_string): Delete.
3150         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
3151         TARGET_TPCS_FRAME.
3152         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
3153         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
3154         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
3155         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
3156         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
3157         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
3158         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
3159         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
3160         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
3161         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
3162         (SUBTARGET_SWITCHES): Delete.
3163         * config/arm/arm.c (target_float_switch): Delete.
3164         (arm_cpu_select): Moved from config/arm/arm.h.
3165         (target_fpu_name, target_fpe_name, target_float_abi_name)
3166         (target_abi_name, structure_size_string, arm_pic_register_string)
3167         (arm_select): Make static.
3168         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3169         (arm_handle_option): New function.
3170         (arm_override_options): Update target_flags checks for new mask names.
3171         Remove target_float_switch code.
3172         (arm_expand_prologue, thumb_expand_prologue): Check
3173         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
3174         * config/arm/arm.opt, config/arm/pe.opt: New files.
3175
3176 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
3177
3178         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
3179         gcc_unreachable as appropriate.
3180         (arc_double_limm_p, arc_setup_incoming_varargs,
3181         arc_compute_function_type, arc_output_function_prologue,
3182         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
3183         output_shift, arc_print_operand, arc_print_operand_address,
3184         arc_final_prescan_insn): Likewise.
3185         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
3186
3187 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
3188
3189         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
3190         comparing Pmode.
3191         (SDI): New.
3192         (cmp): Delete.
3193         (wd): New.
3194         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
3195         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
3196         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
3197         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
3198         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
3199         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
3200         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
3201         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
3202
3203 2005-05-05  Paul Brook  <paul@codesourcery.com>
3204
3205         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
3206         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
3207         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
3208         and tree-data-ref.h with *_H variables.
3209
3210 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
3211
3212         * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
3213
3214 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
3215
3216         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
3217
3218 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
3219
3220         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
3221
3222 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
3223
3224         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
3225         setting of vrsave register for current function after
3226         call to save_world is emitted.
3227
3228 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
3229
3230         * config/mmix/predicates.md: New file.
3231         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
3232         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
3233         (mmix_foldable_comparison_operator, mmix_comparison_operator)
3234         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
3235         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
3236         Don't define.
3237         * config/mmix/mmix.md: Include predicates.md.
3238         ("call", "call_value"): Force address to register if it isn't a
3239         mmix_symbolic_or_address_operand.
3240
3241 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
3242
3243         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
3244         the flags are of appropriate types.
3245         (num_ssa_operands): Generalize using the generic interface.
3246         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
3247         iterator.
3248
3249 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
3250
3251         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
3252         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
3253
3254 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
3255
3256         * tree-outof-ssa.c (edge_leader, stmt_list,
3257         analyze_edges_for_bb): Use VEC instead of VARRAY.
3258         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
3259         (perform_edge_inserts): Call init_analayze_edges_for_bb and
3260         fini_analayze_edges_for_bb.
3261
3262 2005-05-04  James E Wilson  <wilson@specifixinc.com>
3263
3264         PR driver/21112
3265         * gcc.c (process_command): In the second argv scan loop, ignore
3266         Xassembler and Xpreprocessor, along with their argument.
3267
3268 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
3269
3270         * tree-flow-inline.h, tree-ssa-operands.c,
3271         tree-ssa-operands.h, tree-ssa-opfinalize.h:
3272         Likewise. tree-vn.c: Fix comment typos.
3273         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
3274
3275 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
3276
3277         * doc/tm.texi (Target Hooks): Document
3278         TARGET_RESOLVE_OVERLOADED_BUILTIN.
3279
3280 2005-05-04  Paul Brook  <paul@codesourcery.com>
3281
3282         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
3283
3284 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
3285
3286         * dwarf2out.c (incomplete_types, retry_incomplete_types,
3287         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
3288         of VARRAY.
3289
3290         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
3291         get_expansion, expand_var_during_unrolling,
3292         insert_var_expansion_initialization,
3293         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
3294         instead of VARRAY.
3295
3296         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
3297         update_stmt.
3298
3299 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
3300
3301         PR middle-end/15618
3302         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
3303         the same as INTEGER_TYPE.
3304         (fold_binary): Fold "bool_var != 0" to bool_var.
3305         Fold "bool_var == 1" to bool_var.
3306
3307 2004-05-03  Richard Henderson  <rth@redhat.com>
3308
3309         PR middle-end/21318
3310         * function.c (instantiate_virtual_regs_in_insn): Use the mode
3311         from recog_data instead of insn_data.
3312
3313 2005-05-03  DJ Delorie  <dj@redhat.com>
3314
3315         * common.opt (fdiagnostics-show-option): No variable is needed.
3316         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
3317         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
3318         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
3319         Save and restore original message format.  Use flag in context
3320         instead of global.
3321         (warning): Don't test for enabled warnings here.
3322         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
3323         here.
3324
3325 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
3326
3327         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
3328         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
3329         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
3330         * aclocal.m4: Don't include accross.m4.
3331         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
3332         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
3333         * configure, config.in: Regenerate.
3334
3335 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
3336
3337         PR middle-end/21265
3338         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
3339         (clear_storage): Add argument.
3340         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
3341         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
3342         tailcall.
3343         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
3344         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
3345         (store_expr, store_constructor): Adjust callers.
3346         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
3347         to emit_block_move if CALL_EXPR_TAILCALL (exp).
3348         (expand_builtin_memmove): Add ORIG_EXP argument, copy
3349         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
3350         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
3351         with EXP.  Pass EXP to expand_builtin_memmove.
3352         (expand_builtin_memset): Add ORIG_EXP argument, pass
3353         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
3354         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
3355         Pass EXP to expand_builtin_memset.
3356         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
3357         the new CALL_EXPR.
3358         (expand_builtin_strncmp): Likewise.
3359         (expand_builtin_printf): Replace ARGLIST argument with EXP.
3360         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
3361         (expand_builtin_fprintf): Likewise.
3362         (expand_builtin): Adjust calls to
3363         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
3364
3365         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
3366         item in V4SF mode.
3367
3368         PR rtl-optimization/21239
3369         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
3370
3371 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
3372
3373         * tree-flow.h (tree_ann_common_d): Move aux to ...
3374         (stmt_ann_d): ... here.
3375         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
3376         move_computations_stmt, schedule_sm): Update references to
3377         aux.
3378         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
3379
3380         * tree-cfg.c (remove_bb): Remove a redundant call to
3381         set_bb_for_stmt.
3382         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
3383         Likewise.
3384
3385 2005-05-03  Richard Henderson  <rth@redhat.com>
3386
3387         * config/rs6000/rs6000.c: Remove conflict markers.
3388
3389         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
3390
3391 2005-05-03  James E Wilson  <wilson@specifixinc.com>
3392
3393         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
3394
3395 2005-05-03  DJ Delorie  <dj@redhat.com>
3396
3397         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
3398         decide if the warning will be printed.
3399         * calls.c (expand_call): Likewise.
3400         * function.c (init-function_start): Likewise.
3401
3402         * common.opt (-fdiagnostics-show-option): New.
3403         * opts.c (option_enabled): Accept the option index instead of a
3404         pointer to the option descriptor.
3405         * opts.h (option_enabled): Likewise.
3406         * toplev.c (print_switch_values): Pass option index, not option
3407         descriptor.
3408         * diagnostic.h (diagnostic_info): Add option_index.
3409         * diagnostic.c: Include opts.h.
3410         (diagnostic_set_info): Initialize option_index.
3411         (diagnostic_report_diagnostic): Amend option name if appropriate.
3412         (warning): Check to see if the specified warning is enabled.
3413         Store option index.
3414         * doc/invoke.texi (-fdiagnostics-show-options): Document.
3415
3416 2005-05-03  Richard Henderson  <rth@redhat.com>
3417
3418         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
3419         SPEC_OR_GEN_REGS definitions.
3420
3421 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
3422
3423         PR target/16888
3424         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
3425         for unavailable registers.
3426
3427 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
3428
3429         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
3430
3431         * cfglayout.c (block_locators_blocks,
3432         insn_locators_initialize, insn_scope): Use VEC instead of
3433         VARRAY.
3434
3435         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
3436         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
3437         VARRAY.
3438
3439 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
3440
3441         * config/sparc/predicates.md (const_compl_high_operand): New.
3442         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
3443         gen_safe_HIGH64.
3444         (sparc_emit_set_const64_quick1): Adjust for above change.
3445         (sparc_emit_set_const64_quick2): Likewise.
3446         (sparc_emit_set_const64_longway): Likewise.
3447         (sparc_emit_set_const64): Likewise.
3448         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
3449         movdi_const64_special): Delete.
3450         (logical constant splitters): Use const_compl_high_operand.
3451
3452 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
3453
3454         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
3455         rather than STRIP_NOPS.
3456
3457 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
3458
3459         PR rtl-optimization/21330
3460         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
3461         returning non-NULL.
3462         (unswitch_single_loop): Clear cinsn when retrying.
3463
3464         PR target/21297
3465         * config/i386/i386.c (legitimize_address): When canonicalizing
3466         ASHIFT into MULT, multiply by 1 << shift_count instead of
3467         1 << log2 (shift_count).
3468
3469 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
3470
3471         * lambda-code.c (gcc_loop_to_lambda_loop,
3472         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
3473         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
3474         generic operand interface.
3475         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
3476         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
3477         generic operand interface.
3478         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
3479         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
3480         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
3481         num_imm_uses): Use ssa_use_operand_t.
3482         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
3483         get_v_must_def_ops): Delete.
3484         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
3485         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
3486         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
3487         get_v_must_def_kill_ptr): Delete.
3488         (delink_stmt_imm_use): Move and use new operand interface.
3489         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
3490         op_iter_next_tree): Use new operand implementation.
3491         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
3492         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
3493         type check.
3494         (op_iter_next_mustdef, op_iter_next_maydef,
3495         op_iter_next_must_and_may_def): Delete. Replace with...
3496         (op_iter_next_maymustdef): New.  Combine must and may next operations.
3497         (op_iter_init_maydef, op_iter_init_mustdef,
3498         op_iter_init_must_and_may_def): Use new interface.
3499         (single_ssa_tree_operand ): New.  Process single operands only as trees.
3500         (single_ssa_use_operand): New.  Process single operands only as uses.
3501         (single_ssa_def_operand): New.  Process single operands only as defs.
3502         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
3503         specified types.
3504         (num_ssa_operands): New.  Count the number of specified operands.
3505         (compare_ssa_operands_equal): New.  Compare two statements' operands.
3506         (single_phi_def): New.  Return true if PHI has one def of the specified
3507         operand type.
3508         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
3509         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
3510         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
3511         (struct stmt_ann_d): Operands field no longer require GTY().
3512         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
3513         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
3514         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
3515         dump_replaceable_exprs, rewrite_trees): Use generic interface.
3516         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
3517         Use use_operand_p instead of ssa_imm_use_t *.
3518         * tree-pretty-print.c (dump_vops): check if operands are active before
3519         dumping virtual operands.
3520         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
3521         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
3522         (ccp_fold): Use new interface.
3523         (ccp_visit_stmt): Remove unused variables and code.
3524         (convert_to_gimple_builtin): Insert statements before calling
3525         mark_new_vars_to_rename.
3526         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
3527         (copy_prop_visit_cond_stmt): Use generic interface.
3528         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
3529         annotation in table.
3530         (thread_across_edge): Use generic interface.
3531         (initialize_hash_element): Initialzie with stmt, not annotation.
3532         (eliminate_redundant_computations): Use generic interface.
3533         (record_equivalences_from_stmt): Pass stmt, not annotation.
3534         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
3535         interface.
3536         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
3537         * tree-ssa-loop-ivopts.c (find_invariants_stmt,
3538         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
3539         generic operand interface.
3540         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
3541         interface.
3542         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
3543         Interface.
3544         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
3545         (build_defs, build_uses, build_v_may_defs, build_vuses,
3546         build_v_must_defs): Change type to struct opbuild_list_d.
3547         (ops_active): New.  Operands active boolean.
3548         (operand_memory, operand_memory_index): New.  Operand memory managers.
3549         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
3550         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
3551         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
3552         Change from functions to static variable list heads.
3553         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
3554         (opbuild_initialize_real): New.  Initialize a virtual build list.
3555         (opbuild_free): New.  Free a build list.
3556         (opbuild_num_elems): New.  Number of items in a list.
3557         (opbuild_append_real): New.  Add a real (tree *) operand.
3558         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
3559         (opbuild_first): New.  Return first element index in a list.
3560         (opbuild_next): New.  Return next element in a list.
3561         (opbuild_elem_real): New.  Return real element.
3562         (opbuild_elem_virtual): New.  Return virtual element.
3563         (opbuild_elem_uid): New.  Return UID of virtual element.
3564         (opbuild_clear): New.  Reset an operand list.
3565         (opbuild_remove_elem): New.  Remove an element form a list.
3566         (ssa_operands_active): New.  Return true if operand cache is active.
3567         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
3568         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
3569         (correct_use_link): Use use_operand_p.
3570         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
3571         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
3572         (cleanup_v_may_defs): Use new implmentation.
3573         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
3574         implementation.
3575         (append_def, append_use, append_v_may_def, append_vuse,
3576         append_v_must_def): Call opbuild_append routine instead of using varray.
3577         (build_ssa_operands): Simplify to simply use stmt, don't maintain a
3578         global parse_old_ops variable.
3579         (free_ssa_operands): New implementation.
3580         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
3581         (copy_virtual_operands): Move. New generic implementation.
3582         (create_ssa_artficial_load_stmt): Move. New implementation.
3583         (swap_tree_operands): Update for new implementation.
3584         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
3585         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
3586         rather than a varray.
3587         (verify_imm_links): Use use_operand_p.
3588         (dump_immediate_uses_for): If the immediate use variable is a virtual
3589         variable, show the virtual ops in the stmt.
3590         * tree-ssa-operands.h (def_operand_p): No longer a structure.
3591         (NULL_DEF_OPERAND_P): Now a #define.
3592         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
3593         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
3594         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
3595         mustdef_optype_d): New.  Use Linked list representation.
3596         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
3597         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
3598         (struct stmt_operands_d): Change to new pointers that are not GTY.
3599         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
3600         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
3601         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
3602         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
3603         SET_V_MUST_DEF_KILL): Delete.
3604         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
3605         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
3606         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
3607         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
3608         (enum ssa_op_iter_type): Operand iterator typechecking values.
3609         (struct ssa_operand_iterator_d): Use linked lists of operands.
3610         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
3611         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
3612         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
3613         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
3614         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
3615         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
3616         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
3617         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
3618         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
3619         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
3620         alloc_vuse, and alloc_mustdef.
3621         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
3622         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3623         and finalize_ssa_v_must_def_ops.
3624         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
3625         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
3626         stmt around.
3627         (compute_avail): Use generic iterator interface.
3628         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
3629         (stmt_makes_single_load, stmt_makes_single_store): Use
3630         ZERO_SSA_OPERANDS.
3631         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
3632         (statement_sink_location): Use generic interface.
3633         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
3634         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
3635         reset the immediate use link nodes.
3636         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
3637         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
3638         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
3639         (eliminate_tail_call): Use generic operand interface.
3640         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
3641         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
3642         interface.
3643         * tree-vect-transform.c (update_vuses_to_preheader): Use generic
3644         interface.
3645         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
3646         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
3647         vuse_optype.
3648         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
3649         Use statement pointer instead of vuse_optype.  Use generic interface.
3650         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
3651         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
3652         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
3653         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
3654         * doc/tree-ssa.texi: Update documentation for operand interface.
3655
3656 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
3657
3658         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
3659         gcc_unreachable as appropriate.
3660         (machopic_function_base_name, machopic_indirect_data_reference,
3661         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
3662         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
3663         * config/rs6000/altivec.md (*mov<mode>_internal,
3664         build_vector_mask_for_load): Likewise.
3665         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
3666         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
3667         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
3668         * config/rs6000/predicates.md (easy_fp_constant,
3669         logical_operand): Likewise.
3670         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
3671         compute_save_world_info, rs6000_emit_prologue,
3672         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
3673         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
3674         directly.
3675
3676 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
3677
3678         PR middle-end/21282
3679         * convert.c (convert_to_integer): Convert ceil and floor in
3680         c99 mode only.
3681
3682 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
3683
3684         PR target/20813
3685         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
3686         define_insn_and_split.  Split only when memory operand is
3687         offsettable.  Use adjust_address rather than plus_constant.
3688         (floatunssidf2_internal): Likewise.
3689         (fix_truncdfsi2_internal): Split only when memory operand is
3690         offsettable.  Use adjust_address rather than plus_constant.
3691         (fix_trunctfsi2_internal): Likewise.
3692         (floatsidf2_internal): Likewise.
3693
3694 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
3695
3696         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
3697         (set_value_range_to_null): Likewise.
3698         (set_value_range_to_varying): New function.  Use it in all
3699         call sites that used to call set_value_range (vr, VR_VARYING, ...).
3700         (extract_range_from_assert): If the integral type has a
3701         super-type, and LIMIT is not within MIN and MAX values of that
3702         type, set the resulting range to VR_VARYING.
3703
3704 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
3705
3706         * config/mmix/mmix.opt: New file.
3707         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
3708         (mmix_cc1_ignored_option): Don't declare.
3709         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
3710         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
3711         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
3712         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
3713         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
3714         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
3715         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
3716         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
3717         Don't define.
3718         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
3719         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
3720         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
3721
3722 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
3723
3724         PR c/15698
3725         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
3726         * c-decl.c (current_function_prototype_built_in,
3727         current_function_prototype_arg_types): New.
3728         (merge_decls): Keep source location of prototype followed by
3729         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
3730         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
3731         (start_function): Always set current_function_prototype_locus,
3732         current_function_prototype_built_in and
3733         current_function_prototype_arg_types.  Check for external
3734         prototype whether or not visible for external function and set
3735         current_function_prototype_arg_types accordingly.
3736         (store_parm_decls_oldstyle): Use
3737         current_function_prototype_arg_types for checking old-style
3738         definition against prototype.  Give warnings only if
3739         current_function_prototype_built_in).
3740
3741 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
3742
3743         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
3744         (ggc_alloc_zone_stat): Don't define.
3745         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
3746         ggc_alloc_zone_pass_stat.
3747         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
3748         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
3749         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
3750
3751 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
3752
3753         * calls.c (expand_call): Handle current_function_pretend_args_size
3754         when checking for sibcalls.
3755
3756 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3757
3758         PR tree-optimization/21294
3759         * tree-vrp.c (vrp_expr_computes_nonzero): New.
3760         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
3761
3762 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
3763
3764         PR 19985
3765         * gcov-io.h: Declare gcov external functions hidden.
3766
3767 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3768
3769         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
3770         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
3771         Use VEC instead of VARRAY.
3772         (equiv_free): New.
3773
3774         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
3775         out common code.
3776
3777 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
3778
3779         * c-common.c (resolve_overloaded_builtin): Forward to target
3780         hook for BUILT_IN_MD built-ins.
3781         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
3782         for all types of built-in.
3783         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
3784         in the definition of the target hooks struct.
3785         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
3786         * config/rs6000/altivec.h: Rewritten.
3787         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
3788         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
3789         rs6000_builtin_type, rs6000_builtin_type_compatible,
3790         altivec_overloaded_builtins, rs6000_builtin_type,
3791         rs6000_builtin_type_compatible): New.
3792         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
3793         New.
3794         (def_builtin): Turn into a function.  Check for duplicates and store
3795         the builtin into rs6000_builtin_decls.
3796         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
3797         bdesc_1arg): Add overloaded builtins.
3798         (altivec_expand_builtin): Check for unresolved overloaded builtins,
3799         do not support ALTIVEC_COMPILETIME_ERROR.
3800         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
3801         nodes to represent front-end types.
3802         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
3803         with opaque arguments and/or return values.
3804         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
3805         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
3806         (rs6000_builtin_type_index): New.
3807         (is_ev64_opaque_type): Rename to...
3808         (rs6000_is_opaque_type): ... this.
3809         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
3810         target hook.
3811
3812 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3813
3814         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
3815         instead of VARRAY.
3816
3817 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
3818             Bernd Schmidt  <bernd.schmidt@analog.com>
3819
3820         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
3821         print_address_operand, print_operand, legitimize_pic_address,
3822         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
3823         output_pop_multiple): Use gcc_assert or gcc_unreachable as
3824         appropriate.
3825         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
3826
3827 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
3828
3829         * doc/passes.texi: Document vectorization pass.
3830
3831 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
3832
3833         * tree-scalar-evolution.c (get_exit_conditions_rec,
3834         select_loops_exit_conditions,
3835         number_of_iterations_for_all_loops,
3836         analyze_scalar_evolution_for_all_loop_phi_nodes,
3837         scev_analysis): Use VEC instead of VARRAY.
3838
3839 2005-05-02  Michael Matz  <matz@suse.de>
3840
3841         PR c++/19542
3842         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
3843         (warn_strict_null_sentinel): Define.
3844         (check_function_sentinel): Check for null_node as valid sentinel too.
3845         * c-common.h (c_tree_index): Added CTI_NULL.
3846         (null_node) Define global_tree[CTI_NULL].
3847         (warn_strict_null_sentinel): Declare.
3848         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
3849         * c.opt: (Wstrict-null-sentinel): New C++ option.
3850         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
3851
3852 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
3853
3854         * gimplify.c (gimplify_compound_lval): Use VEC instead of
3855         VARRAY.
3856
3857         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
3858
3859         * dwarf2out.c (decl_scope_table, push_decl_scope,
3860         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
3861         instead of VARRAY.
3862
3863 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
3864
3865         PR C++/14391
3866         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
3867         if !flag_weak.
3868         * doc/cpp.texi (__DEPRECATED): Document.
3869         (__EXCEPTIONS): Likewise.
3870         (__GXX_WEAK__): Likewise.
3871
3872         * function.c (INVOKE__main): Do not define.
3873         (expand_main_function): Check HAS_INIT_SECTION when determining
3874         whether or not to call __main.
3875
3876 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
3877
3878         * tree-ssa-loop-ivopts.c: Fix a comment typo.
3879
3880 2005-01-05  Paul Brook  <paul@codesourcery.com>
3881
3882         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
3883         (INITIALIZE_TRAMPOLINE): Use it.
3884         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
3885         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
3886         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
3887
3888 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
3889
3890         * doc/install.texi (Specific): Omit dots in the @anchors names
3891         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
3892         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
3893
3894 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
3895
3896         PR tree-optimization/18316
3897         PR tree-optimization/19126
3898         * tree.c (build_int_cst_type): Avoid shift by size of type.
3899         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
3900         argument.
3901         * tree-scalar-evolution.h (simple_iv): Declaration changed.
3902         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
3903         field.
3904         (dump_cand): Dump depends_on information.
3905         (determine_biv_step): Add argument to simple_iv call.
3906         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
3907         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
3908         constant.
3909         (add_candidate_1): Record depends_on for candidates.
3910         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
3911         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
3912         Handle ivs with nonconstant step.
3913         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
3914         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
3915         (create_new_iv): Unshare the step before passing it to create_iv.
3916         (free_loop_data): Free cand->depends_on.
3917         (build_addr_strip_iref): New function.
3918         (find_interesting_uses_address): Use build_addr_strip_iref.
3919         (strip_offset_1): Split the recursive part from strip_offset.
3920         Strip constant offset component_refs and array_refs.
3921         (strip_offset): Split the recursive part to strip_offset_1.
3922         (add_address_candidates): Removed.
3923         (add_derived_ivs_candidates): Do not use add_address_candidates.
3924         (add_iv_value_candidates): Add candidates with stripped constant
3925         offset.  Consider all candidates with initial value 0 important.
3926         (struct affine_tree_combination): New.
3927         (aff_combination_const, aff_combination_elt, aff_combination_scale,
3928         aff_combination_add_elt, aff_combination_add,
3929         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
3930         fold_affine_sum): New functions.
3931         (get_computation_at): Use fold_affine_sum.
3932         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
3933         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
3934         to simple_iv call.
3935
3936 2005-04-30  Michael Matz  <matz@suse.de>
3937
3938         * config/i386/i386.md (movmemsi): Also active when
3939         TARGET_INLINE_ALL_STRINGOPS.
3940
3941 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
3942
3943         PR bootstrap/20633
3944         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
3945
3946 2005-04-30  Paul Brook  <paul@codesourcery.com>
3947
3948         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
3949         thumb mode.
3950         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
3951         * config/arm/ieee754-sf.S: Ditto.
3952         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
3953         (FUNC_ALIAS): Use .thumb_set for thumb routines.
3954
3955 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
3956
3957         * tree-ssanames.c: Fix a comment typo.
3958         * doc/options.texi: Fix a typo.
3959
3960 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
3961
3962         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
3963         gcc_unreachable as appropriate.
3964         (split_adds_subs, cond_string, print_operand,
3965         h8300_initial_elimination_offset, h8300_classify_operand,
3966         h8300_unary_length, h8300_short_immediate_length,
3967         h8300_bitfield_length, h8300_binary_length,
3968         h8300_insn_length_from_table, compute_mov_length, output_plussi,
3969         compute_plussi_length, compute_plussi_cc, output_logical_op,
3970         compute_logical_op_length, compute_logical_op_cc,
3971         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
3972         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
3973         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
3974         h8300_regs_ok_for_stm): Likewise.
3975         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
3976         monitor_prologue): Likewise.
3977
3978 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
3979
3980         * loop-invariant.c (invariants, create_new_invariant,
3981         get_inv_cost, best_gain_for_invariant,
3982         find_invariants_to_move, move_invariants,
3983         init_inv_motion_data, free_inv_motion_data): Use VEC instead
3984         of VARRAY.
3985
3986 2005-04-29  Richard Henderson  <rth@redhat.com>
3987
3988         * function.c (instantiate_decls): Remove valid_only argument.
3989         (instantiate_decls_1, instantiate_decl): Likewise.
3990         (instantiate_virtual_regs_1): Delete.
3991         (instantiate_virtual_regs_lossage): Delete.
3992         (instantiate_virtual_regs_in_rtx): New.
3993         (safe_insn_predicate): New.
3994         (instantiate_virtual_regs_in_insn): New.
3995         (instantiate_virtual_regs): Update to match all that.  Only run
3996         instantiate_decls once.
3997
3998 2005-04-29  Richard Henderson  <rth@redhat.com>
3999             Daniel Jacobowitz  <dan@codesourcery.com>
4000
4001         * gengtype.c (write_func_for_structure): Split out ...
4002         (output_type_enum): ... new function.  Fix thinko accessing
4003         TYPE_PARAM_STRUCT data.
4004
4005 2005-04-29  Tom Tromey  <tromey@redhat.com>
4006
4007         * tree.c (build_block): Removed unused 'tags' argument.
4008         * tree.h (build_block): Removed argument.
4009
4010 2005-04-29  Michael Matz  <matz@suse.de>
4011
4012         PR rtl-optimization/21144
4013         * postreload.c (reload_cse_move2add): Check for VOIDmode.
4014
4015 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
4016
4017         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
4018         flag_reorder_blocks.
4019
4020 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
4021
4022         PR tree-optimization/21030
4023         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
4024         ranges where VR->MAX is smaller than VR->MIN.
4025
4026 2005-04-29  Devang Patel  <dpatel@apple.com>
4027
4028         PR tree-optimization/21272
4029         PR tree-optimization/21266
4030         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
4031
4032 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
4033
4034         * tree-flow-inline.h: Fix a comment typo.
4035         * doc/tree-ssa.texi: Fix a typo.
4036
4037         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
4038
4039 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
4040
4041         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
4042         gcc_unreachable as appropriate.
4043         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
4044         fr30_print_operand, fr30_move_double): Likewise.
4045         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
4046
4047 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
4048
4049         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
4050         definition has already been provided.
4051         (ARM_EABI_DTORS_SECTION_OP): Likewise.
4052         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
4053         (ARM_EABI_DTORS_SECTION_OP): Likewise.
4054
4055 2005-04-29  Jim Tison  <jtison@us.ibm.com>
4056
4057         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
4058         trace hooks calls to improve performance.
4059
4060 2005-04-29  Julian Brown  <julian@codesourcery.com>
4061             Mark Mitchell  <mark@codesourcery.com>
4062             Paul Brook  <paul@codesourcery.com>
4063
4064         * crtstuff.c: Handle targets that use .init_array.
4065         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
4066         that INVOKE__main is set correctly.
4067         (expand_main_function): Test INVOKE__main.
4068         * libgcc2.c: Do not define __main when using .init_array.
4069         * config/arm/arm.c (arm_elf_asm_constructor): New function.
4070         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
4071         libgcc version.
4072         (DTORS_SECTION_ASM_OP): Likewise.
4073         (CTOR_LIST_BEGIN): Define specially when in libgcc.
4074         (CTOR_LIST_END): Likewise.
4075         (DTOR_LIST_BEGIN): Likewise.
4076         (DTOR_LIST_END): Likewise.
4077         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
4078         (FINI_SECTION_ASM_OP): Likewise.
4079         (INIT_ARRAY_SECTION_ASM_OP): Define.
4080         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
4081         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
4082         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
4083         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
4084         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
4085
4086 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
4087
4088         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
4089         gcc_assert and gcc_unreachable as appropriate.
4090         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
4091         const_int_cost, output_move_const_into_data_reg,
4092         output_move_qimode, output_move_double, find_addr_reg,
4093         print_operand, print_operand_address): Likewise.
4094         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
4095         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
4096         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
4097         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
4098         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
4099         conditional_trap): Likewise.
4100         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
4101
4102 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
4103
4104         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
4105         gcc_unreachable as appropriate.
4106         (gen_conditional_move, xtensa_split_operand_pair,
4107         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
4108         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
4109         xtensa_copy_incoming_a7, xtensa_output_literal,
4110         xtensa_output_literal, xtensa_output_literal): Likewise.
4111         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
4112         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
4113         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
4114         movsicc_internal1, movsfcc_internal0,
4115         movsfcc_internal1): Likewise.
4116
4117 2005-04-28  James E Wilson  <wilson@specifixinc.com>
4118
4119         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
4120         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
4121
4122 2005-04-28  DJ Delorie  <dj@redhat.com>
4123
4124         * opt-functions.awk (var_set): Emit proper initializer for
4125         non-target bitfields.
4126
4127 2005-04-28  Devang Patel  <dpatel@apple.com>
4128
4129         * dbxout.c (have_used_extensions): Remove.
4130         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
4131         have_used_extensions.
4132
4133 2005-04-28  James E Wilson  <wilson@specifixinc.com>
4134
4135         * doc/install.texi: Update -enable-languages info.  Correct path to
4136         html docs.
4137
4138 2005-04-28  DJ Delorie  <dj@redhat.com>
4139
4140         * optc-gen.awk (END): Make sure no variable is defined more
4141         than once.
4142         * opth-gen.awk (END): Allocate bits on a per-variable basis.
4143         Allow for bitfield variables other than target_flags.
4144         * doc/options.text (Mask): Document that you may specify a
4145         variable other than target_flags.
4146
4147 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
4148
4149         PR rtl-optimization/18877
4150         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
4151         number in val.start.
4152
4153 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
4154
4155         PR target/20813
4156         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
4157         MASK_PPC_GFXOPT.
4158         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
4159         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
4160         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
4161
4162 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
4163
4164         * arm.c (legitimize_pic_address): Fix sense of assertion test for
4165         creating pseudos when the base offset is too large.
4166
4167 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
4168
4169         * global.c (earlyclobber_regclass): Change the type to
4170         VEC(int,heap).
4171         (check_earlyclobber): Update uses of earlyclobber_regclass.
4172         (mark_reg_use_for_earlyclobber): Likewise.
4173         (calculate_local_reg_bb_info): Allocate and free
4174         earlyclobber_regclass using the VEC API.
4175
4176 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
4177
4178         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
4179         assert.
4180
4181 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
4182
4183         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
4184         (*targetm.foo).
4185
4186         * config.gcc: Obsolete c4x-* and tic4x-*.
4187
4188         * tree.h (edge_def): Remove.
4189
4190         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
4191         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
4192         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
4193         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
4194         where appropriate.
4195
4196         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
4197         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
4198         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
4199         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
4200         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
4201         machmode.def, mips-tfile.c, params.c, pretty-print.c,
4202         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
4203         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
4204         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
4205         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
4206         config/i386/cygming.h, config/i386/djgpp.h,
4207         config/i386/lynx.h, config/i386/netware.c,
4208         config/i386/winnt.c, config/ia64/ia64-c.c,
4209         config/iq2000/iq2000.c, config/m32r/little.h,
4210         config/m68k/m68k-protos.h, config/m68k/m68k.h,
4211         config/m68k/m68k.md, config/mcore/mcore.c,
4212         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
4213         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
4214         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
4215         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
4216         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
4217         config/pdp11/pdp11.h, config/rs6000/darwin.h,
4218         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
4219         config/s390/2064.md, config/s390/2084.md,
4220         config/s390/s390-modes.def, config/s390/s390-protos.h,
4221         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
4222         config/stormy16/stormy16.c, config/vax/vax-protos.h,
4223         config/vax/vax.c, config/vax/vax.h,
4224         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
4225         copyright.
4226
4227 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
4228
4229         * c-typeck.c (build_compound_expr): Correct logic in last change.
4230
4231 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
4232
4233         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
4234         parameters.  Replace conditional move code with assert checking for
4235         ar.lc.  Delete obsolete comments.
4236         (set_src_needs_barrier): Delete cond parameter, and code using it.
4237         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
4238         assert checking for PR_REGS.  Fix calls to update_set_flags and
4239         set_src_needs_barrier.
4240         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
4241         callers.  Rewrite explanatory comment before the function.
4242         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
4243         Fix all callers.
4244
4245 2005-04-27  Mike Stump  <mrs@apple.com>
4246
4247         * doc/cpp.texi: gcc now implements universal character names.
4248
4249 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
4250
4251         PR c/21159
4252         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
4253         being a compound expression whose right-hand side is cast to void.
4254
4255 2005-04-27  Caroline Tice  <ctice@apple.com>
4256
4257         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
4258         Remove targetm.have_named_sections test.
4259         (fix_edges_for_rarely_executed_code): Likewise.
4260         (insert_section_boundary_note): Likewise.
4261         (reorder_basic_blocks): Check partitioning flag before calling
4262         verify_hot_cold_block_grouping.
4263         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
4264         the function struct rather than global variables.
4265         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
4266         (COLD_END_LABEL): Likewise
4267         (cold_text_section_label): New static global variable.
4268         (cold_end_label): Likewise.
4269         (dwarf2out_switch_text_section): Get hot/cold section labels from
4270         the function struct rather than global variables; test to make sure
4271         cfun is defined.
4272         (output_aranges): Use cold_text_section_label and cold_end_label;
4273         check partitioning flag before putting out delta.
4274         (output_ranges): Remove incorrect code attempting to use
4275         hot/cold labels.
4276         (output_line_info): Get cold section label from function struct; test
4277         to make sure cfun is defined.
4278         (add_location_or_const_value_attribute): Likewise.
4279         (dwarf2out_var_location): Likewise.
4280         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
4281         write out cold_text_section_label if partition flag is set.
4282         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
4283         * function.h (struct function): Add new fields to point to hot/cold
4284         section labels: hot_section_label, cold_section_label,
4285         hot_section_end_label and cold_section_end_label; also add new field
4286         for cold text section name, unlikely_text_section_name.
4287         * opts.c (decode_options): Turn off partitioning flag if
4288         !targetm.have_named_sections.
4289         * output.h (hot_section_label): Remove.
4290         (hot_section_end_label): Remove.
4291         (cold_section_end_label): Remove.
4292         (unlikely_section_label): Remove.
4293         (unlikely_text_section_name): Remove.
4294         * passes.c (rest_of_handle_final):  Remove extra blank line.
4295         * varasm.c (unlikely_section_label): Remove.
4296         (hot_section_label): Remove.
4297         (hot_section_end_label): Remove.
4298         (cold_section_end_label): Remove.
4299         (unlikely_text_section_name):  Remove.
4300         (initialize_cold_section_name): Modify to call
4301         targetm.strip_name_encoding; to store cold section name in current
4302         function struct, if it exists; and to only use the decl_section_name
4303         if flag_named_sections is true.
4304         (unlikely_text_section): Modify to get section name out of current
4305         function struct, if there is one; otherwise build it from
4306         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
4307         (in_unlikely_text_section): Likewise.
4308         (named_section): Modify to get/put cold section name in current function
4309         struct, if there is one.
4310         (function_section):  Change 'bool unlikely' to 'int reloc'; check
4311         targetm.have_named_sections before calling named_section.
4312         (current_function_section): Likewise.
4313         (assemble_start_function): Modify to get/put unlikely_text_section_name
4314         in current function struct; modify to get hot/cold section labels
4315         from function struct; initialize labels using
4316         ASM_GENERATE_INTERNAL_LABEL;
4317         test partitioning flag before writing out hot section label.
4318         (assemble_end_function): Test partitioning flag before writing out
4319         hot/cold section labels.
4320         (default_section_type_flags_1):  Get cold text section name from
4321         function struct if there is one; Set flags correctly for
4322         cold text section if there is not a current function struct.
4323
4324 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
4325
4326         * tree-ssa-propagate.c (set_rhs): Revert last change.
4327
4328 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
4329
4330         * explow.c (convert_memory_address): Add gcc_assert.
4331
4332 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
4333
4334         * configure.ac: Check for ld --sysroot support.
4335         * gcc.c: Document %R specifier for specs.
4336         (SYSROOT_SPEC): New macro.
4337         (sysroot_spec): New variable.
4338         (static_specs): Add sysroot_spec.
4339         (main): Pass the sysroot spec to the linker if appropriate.
4340         * configure: Regenerated.
4341         * config.in: Likewise.
4342
4343 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
4344
4345         * fold-const.c (fold_binary): Use build_fold_addr_expr
4346         for address calculation and INDIRECT_REF handling.
4347
4348 2005-04-27  Andrew Haley  <aph@redhat.com>
4349
4350         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
4351
4352 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
4353
4354         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
4355         pointer when thumb backtracing is on.
4356
4357         * config/fp-bit.c (abort): Revert change.
4358
4359 2005-04-27  Ian Lance Taylor  <ian@airs.com>
4360
4361         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
4362
4363 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
4364
4365         * tree-ssa-dce.c: Fix a comment typo.
4366
4367 2005-04-27  David S. Miller  <davem@davemloft.net>
4368
4369         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
4370         Kill setjmpless_size.  current_function_calls_setjmp is completely
4371         computed when we are called, so just use the optimized size value
4372         instead of using REG_SAVE_AREA notes.
4373         (optimize_save_area_alloca): Delete....
4374         * rtl.h (optimize_save_area_alloca): Likewise...
4375         * passes.c (rest_of_compilation): and don't call it any more.
4376         * reg-notes.def (SAVE_AREA): Delete.
4377
4378 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
4379
4380         * config/fp-bit.c (abort): Add noreturn attribute.
4381
4382         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
4383         gcc_unreachable as appropriate.
4384         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
4385         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
4386         ASM_OUTPUT_REG_POP): Likewise.
4387
4388 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
4389
4390         * tree-complex.c (expand_vector_operations_1): Do not build
4391         VIEW_CONVERT_EXPR's for the lhs.
4392
4393 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
4394
4395         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
4396         unnecessary noncanonical RTL handling.
4397         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
4398         gcc_assert and gcc_unreachable.
4399
4400         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
4401         gcc_unreachable as appropriate.
4402         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
4403         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
4404         use_return_insn, const_ok_for_op, arm_gen_constant,
4405         arm_canonicalize_comparison, legitimize_pic_address,
4406         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
4407         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
4408         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
4409         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
4410         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
4411         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
4412         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
4413         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
4414         output_call, output_mov_long_double_fpa_from_arm,
4415         output_mov_long_double_arm_from_fpa,
4416         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
4417         output_move_double, arithmetic_instr, shift_op, int_log2,
4418         output_return_instruction, arm_output_function_prologue,
4419         arm_output_epilogue, arm_output_function_epilogue,
4420         emit_multi_reg_push, arm_get_frame_offsets,
4421         arm_compute_initial_elimination_offset, arm_expand_prologue,
4422         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
4423         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
4424         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
4425         thumb_compute_initial_elimination_offset,
4426         thumb_output_function_prologue, thumb_load_double_from_address,
4427         thumb_output_move_mem_multiple, thumb_reload_out_hi,
4428         arm_emit_vector_const, arm_dbx_register_number): Likewise.
4429         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
4430         * config/arm/arm.md (thumb_extendhisi2,
4431         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
4432         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
4433         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
4434         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
4435         * config/arm/cirrus.md (*cirrus_arm_movdi,
4436         *cirrus_movdf_hard_insn): Likewise.
4437         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4438
4439 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
4440
4441         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
4442         (num_ssa_names): Use VEC_length.
4443         (ssa_names): Use VEC_index.
4444         * tree-ssanames.c (ssa_names): Change the type to
4445         VEC(tree,gc).
4446         (init_ssanames, fini_ssa_names, make_ssanames,
4447         release_ssa_name): Update uses of ssa_names.
4448
4449         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
4450         Use fold_buildN instead of fold (buildN (...)).
4451
4452 2005-04-27  Devang Patel <dpatel@apple.com>
4453
4454         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
4455
4456 2005-04-27  Matt Thomas <matt@3am-software.com>
4457             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
4458
4459         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
4460         (vax_output_mi_thunk): Ditto.
4461         (vax_notice_cc_update): Ditto.
4462         (INDEX_REGISTER_P): Add trailing \.
4463         (BASE_REGISTER_P): Add trailing \.
4464         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
4465
4466 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
4467
4468         * tree-ssa-propagate.c (set_rhs): Check operand of
4469         ADDR_EXPR for gimpliness, too.
4470
4471 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
4472
4473         * tree-ssa-pre.c: Fix a comment typo.
4474
4475 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
4476
4477         PR tree-optimization/21171
4478         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
4479         record address uses if the reference is volatile.
4480
4481 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
4482
4483         * tree-complex.c (expand_vector_operation): New, extracted from
4484         expand_vector_operations_1.
4485         (tree_vec_extract): Build a NOP_EXPR.
4486         (expand_vec_parallel): Do not care about returning the correct type.
4487         (expand_vector_operations_1): Call expand_vector_operation.
4488         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
4489
4490         * tree-complex.c (gate_expand_vector_operations): New.
4491         (pass_lower_vector_ssa): Use it.
4492         * tree-optimize.c (init_tree_optimization_passes): Include
4493         pass_lower_vector_ssa.
4494         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
4495         (vectorizable_operation): Use it.
4496         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
4497         integer modes for the vector type.
4498
4499         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
4500         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
4501         Do not cope with UNITS_PER_SIMD_WORD == 0.
4502         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
4503         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
4504         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
4505         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
4506         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
4507         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
4508         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
4509
4510         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
4511         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
4512         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
4513
4514         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
4515         (UNITS_PER_SIMD_WORD): New.
4516
4517 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
4518
4519         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
4520         gcc_unreachable as appropriate.
4521         (ia64_expand_load_address, ia64_expand_tls_address,
4522         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
4523         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
4524         next_scratch_gr_reg, ia64_initial_elimination_offset,
4525         ia64_expand_prologue, ia64_expand_epilogue,
4526         ia64_output_dwarf_dtprel, ia64_print_operand,
4527         ia64_register_move_cost, first_instruction, rws_access_regno,
4528         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
4529         ia64_sched_init, ia64_variable_issue,
4530         ia64_first_cycle_multipass_dfs_lookahead_guard,
4531         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
4532         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
4533         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
4534         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
4535         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
4536         * config/ia64/predicates.md (got_symbolic_operand,
4537         sdata_symbolic_operand): Likewise.
4538         * config/ia64/vect.md (vcondv2sf): Likewise.
4539
4540 2005-04-27  Matt Thomas <matt@3am-software.com>
4541
4542         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
4543         CONSTANT_ADDRESS_P in config/vax/vax.h
4544         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h.
4545         (INDEX_REGISTER_P): New.
4546         (BASE_REGISTER_P): New.
4547         (indirectable_constant_address_p): New.  Adapted from
4548         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
4549         (indirectable_address_p): New.  Adapted from
4550         INDIRECTABLE_ADDRESS_P in vax.h.
4551         (nonindexed_address_p): New.  Adapted from
4552         GO_IF_NONINDEXED_ADDRESS in vax.h.
4553         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
4554         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
4555         (legitimate_address_p): New.  Adapted from
4556         GO_IF_LEGITIMATE_ADDRESS in vax.h.
4557         (vax_mode_dependent_address_p): New.  Adapted from
4558         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
4559         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
4560         legitimate_constant_address_p.
4561         (CONSTANT_P): Use legitimate_constant_p.
4562         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
4563         (INDIRECTABLE_ADDRESS_P): Removed.
4564         (GO_IF_NONINDEXED_ADDRESS): Removed.
4565         (INDEX_TEMP_P): Removed.
4566         (GO_IF_REG_PLUS_INDEX): Removed.
4567         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
4568         definitions, depending on whether REG_OK_STRICT is defined.
4569         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
4570         Two definitions, depending on whether REG_OK_STRICT is defined.
4571         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
4572         added.
4573         (legitimate_constant_p): Prototype added.
4574         (legitimate_address_p): Prototype added.
4575         (vax_mode_dependent_address_p): Prototype added.
4576
4577 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
4578
4579         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
4580
4581 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
4582
4583         PR c/21213
4584         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
4585         transparent union.
4586
4587 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
4588
4589         PR c/20740
4590         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
4591         assertion failures, if __gcc_host_wide_int__ is not properly
4592         defined.
4593         (init_dynamic_diag_info): Give errors, not assertion failures, if
4594         location_t, tree or __gcc_host_wide_int__ are not properly
4595         defined.
4596
4597 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
4598
4599         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
4600         n_iv_uses, iv_use, n_iv_cands, iv_cand,
4601         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
4602         prepare_decl_rtl, free_loop_data,
4603         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
4604         VARRAY.
4605
4606         * tree.h (tree_phi_node): Add a comment about the order of PHI
4607         arguments.
4608
4609 2005-04-26  Paul Brook  <paul@codesourcery.com>
4610
4611         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
4612
4613 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
4614
4615         * config/mips.mips.c (mips_legitimize_tls_address): Use
4616         gcc_unreachable.
4617
4618         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
4619         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
4620         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
4621
4622         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
4623         'abort'.
4624
4625 2005-04-26  Jeff Law  <law@redhat.com>
4626
4627         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
4628         (op_iter_init_must_and_may_def): Likewise.
4629         (unmodifiable_var_p): Move to a later point in the file.
4630         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
4631         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
4632         (dse_record_phis): Directly check for virtual operands rather than
4633         using need_imm_uses_for.
4634         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
4635         store has multiple V_{MAY,MUST}_DEF operands.
4636
4637 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
4638
4639         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
4640         stmt.
4641
4642 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
4643
4644         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
4645         call to find_edge outside a loop to go through a PHI chain.
4646
4647 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
4648
4649         PR tree-optimization/17598
4650         * fold-const.c (fold_binary): Fold comparisons of addresses
4651         of COMPONENT_REFs which reference the same field to
4652         comparisons of the addresses of the base objects.
4653
4654 2005-04-26  Julian Brown  <julian@codesourcery.com>
4655
4656         * config/arm/arm.c (arm_return_in_msb): New function.
4657         (arm_must_pass_in_stack): New function.
4658         (TARGET_RETURN_IN_MSB): Define target hook.
4659         (TARGET_MUST_PASS_IN_STACK): Define target hook.
4660         (arm_function_value): Pad small aggregate return.
4661         (arm_pad_arg_upward): New function.
4662         (arm_pad_reg_upward): New function.
4663         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
4664         (FUNCTION_ARG_PADDING): Define macro.
4665         (BLOCK_REG_PADDING): Define macro.
4666         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
4667         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
4668         (arm_pad_reg_upward): Declare function.
4669
4670 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
4671
4672         * basic-block.h (ei_cond): New.
4673         (FOR_EACH_EDGE): Call ei_cond.
4674
4675         PR tree-optimization/21047
4676         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
4677         (fold): Don't handle ASSERT_EXPR.
4678
4679 2005-04-25  Roger Sayle  <roger@eyesopen.com>
4680
4681         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
4682         all writes to any stack register as a read/write dependency on
4683         FIRST_STACK_REG.
4684         (sched_analyze_2): Likewise, for reads from any stack register.
4685
4686 2005-04-25  Richard Henderson  <rth@redhat.com>
4687
4688         * final.c (output_addr_const): Revert 2005-04-09 change.
4689
4690 2005-04-25  Mike Stump  <mrs@apple.com>
4691
4692         * config/darwin.c (darwin_encode_section_info): Always set
4693         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
4694
4695 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4696
4697         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
4698         gensupport.c, protoize.c, toplev.c: Replace calls to
4699         `unlock_stream' with `unlock_std_streams'.
4700
4701 2005-04-25  Devang Patel <dpatel@apple.com>
4702
4703         * dbxout.c (dbxout_type): Emit attribute vector.
4704
4705 2005-04-05  Paul Brook  <paul@codesourcery.com>
4706
4707         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
4708         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
4709         * config/arm/arm.c (arm_cxx_atexit_name): New function.
4710         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
4711         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
4712         (register_dtor_fn): Likewise.
4713         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
4714
4715 2005-04-25  Ian Lance Taylor  <ian@airs.com>
4716
4717         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
4718         * c-common.h (EXPR_STMT_EXPR): Don't define.
4719         (c_common_stmt_codes): Don't define.
4720         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
4721         * c-gimplify.c (gimplify_expr_stmt): Remove.
4722         (c_gimplify_expr): Remove EXPR_STMT case.
4723         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
4724         to INIT_STATEMENT_CODES.
4725         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
4726
4727 2005-04-25  Jan Hubicka  <jh@suse.cz>
4728
4729         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
4730
4731         * except.c: Include diagnostic.h
4732         (dump_eh_tree, verify_eh_tree): New functions.
4733         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
4734         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
4735         (dump_function_to_file): dump eh tree.
4736         * tree-eh.c (mark_eh_edge): New function.
4737         (mark_eh_edge_found_error): New static variable.
4738         (verify_eh_edges): New function.
4739
4740 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
4741
4742         * tree-ssa-alias.c (fieldoff_t): Remove.
4743         (fieldoff_s): typedef the structure itself.  Create a vector of
4744         objects.
4745         (push_fields_onto_fieldstack): Return count of fields pushed.
4746         Remove peeling of first field.  Adjust.
4747         (fieldoff_compare): Adjust.
4748         (create_overlap_variables_for): Adjust.
4749
4750 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
4751
4752         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
4753
4754 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
4755
4756         PR bootstrap/21215
4757         * doc/install.texi: Document correct assembler and linker to use
4758         on i?86-*-solaris2.10.
4759
4760 2005-04-25  Steven Bosscher  <stevenb@suse.de>
4761
4762         Fix PR tree-optimization/21173
4763
4764         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
4765         Unshare expression we pass to force_gimple_operand.
4766
4767 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
4768             Stephen Clarke <stevec@superh.com>
4769             Roger Sayle <roger@eyesopen.com>
4770
4771         PR rtl-optimization/20413
4772         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
4773         VOIDmode for LABEL_REF.
4774         * final.c (shorten_branches): Likewise.
4775         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
4776         * loop.c (reg_dead_after_loop): Likewise.
4777         * varasm.c (decode_addr_const): Likewise.
4778         * doc/rtl.texi: Document mode requirement for LABEL_REF.
4779
4780 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
4781
4782         * config.gcc (avr-*-*): Remove redundant "case".
4783
4784 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
4785
4786         * tree-vect-analyze.c (vect_mark_relevant): Take
4787         VEC(tree,heap) instead of varray_type as an argument.
4788         (vect_mark_stmts_to_be_vectorized): Change the type of
4789         worklist to VEC(tree,heap).  Adjust uses of worklist.
4790
4791 2005-04-24  Devang Patel  <dpatel@apple.com>
4792
4793         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
4794
4795 2005-04-24  Ian Lance Taylor  <ian@airs.com>
4796
4797         * c-semantics.c (build_stmt): Remove test of specific tree codes
4798         for TREE_SIDE_EFFECTS handling.
4799
4800 2005-04-24  Per Bothner  <per@bothner.com>
4801
4802         * c-opts.c (finish_options):  Make the line-number of the <built-in>
4803         location 0, as assumed elsewhere, rather than 1.
4804
4805 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
4806
4807         * tree-ssa-uncprop.c (equiv_stack): Change the type o
4808         VEC(tree,heap).
4809         (tree_ssa_uncprop, uncprop_finalize_block,
4810         uncprop_initialize_block): Update uses of equiv_stack.
4811
4812 2005-04-24  Richard Henderson  <rth@redhat.com>
4813
4814         PR rtl-opt/21163
4815         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
4816         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
4817         constm1_rtx.
4818         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
4819         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
4820         <DIV, MOD>: Likewise.
4821
4822 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4823
4824         * collect2.c (main): Unlock the stdio streams.
4825         * gcc.c (main): Likewise.
4826         * gcov-dump.c (main): Likewise.
4827         * gcov.c (main): Likewise.
4828         * gen-protos.c (main): Likewise.
4829         * gensupport.c (init_md_reader_args_cb): Likewise.
4830         * protoize.c (main): Likewise.
4831         * toplev.c (general_init): Likewise.
4832
4833 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
4834
4835         PR middle-end/20991
4836         * cgraph.h (cgraph_local_info): Add vtable_method field.
4837         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
4838         and node is vtable_method, finalized and not reachable, don't do
4839         anything.
4840
4841 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
4842
4843         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
4844         COMPARISON_CLASS_P.
4845         * tree-ssa-pre.c (create_value_expr_from): Use
4846         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
4847         * tree-ssa-propagate.c (stmt_makes_single_load,
4848         stmt_makes_single_store): Use REFERENCE_CLASS_P.
4849         * tree-vect-transform.c (vect_is_simple_cond): Use
4850         COMPARISON_CLASS_P.
4851         * tree-vrp.c (extract_range_from_assert,
4852         build_assert_expr_for, fp_predicate, has_assert_expr): Use
4853         COMPARISON_CLASS_P.
4854
4855         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
4856         of tpa_to_clear to VEC(int,heap).  Update uses of
4857         tpa_to_clear.  Free tpa_to_clear at the end.
4858
4859 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
4860
4861         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
4862         function decl.
4863
4864 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
4865
4866         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
4867         and gcc_unreachable as appropriate.
4868         (num_insns_constant, output_vec_const_move,
4869         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
4870         rs6000_emit_set_const, rs6000_emit_move,
4871         spe_build_register_parallel, function_arg,
4872         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
4873         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
4874         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
4875         rs6000_common_init_builtins, expand_block_clear,
4876         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
4877         extract_ME, rs6000_get_some_local_dynamic_name,
4878         rs6000_output_function_entry, print_operand,
4879         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
4880         output_cbranch, output_e500_flip_gt_bit,
4881         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
4882         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
4883         compute_save_world_info, rs6000_stack_info,
4884         rs6000_emit_load_toc_table, rs6000_frame_related,
4885         spe_synthesize_frame_save, rs6000_emit_epilogue,
4886         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
4887         output_function_profiler, rs6000_trampoline_size,
4888         rs6000_initialize_trampoline, find_addr_reg,
4889         rs6000_machopic_legitimize_pic_address,
4890         rs6000_initial_elimination_offset,
4891         rs6000_dbx_register_number): Likewise.
4892         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
4893         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
4894         *movti_power, *movti_string, call, call_value, sibcall,
4895         sibcall_value): Likewise.
4896         * config/rs6000/spe.md (*movdf_e500_double,
4897         *movv2si_internal): Likewise.
4898         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
4899         from comment.
4900
4901 2005-04-24  Richard Henderson  <rth@redhat.com>
4902
4903         PR target/21101
4904         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
4905         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
4906         Deny modes smaller than 4 bytes.
4907         * config/i386/i386-protos.h: Update.
4908
4909 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
4910
4911         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
4912         Switch h8300-*-rtems* to ELF.
4913
4914 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
4915
4916         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
4917
4918 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
4919
4920         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
4921
4922 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
4923
4924         PR middle-end/21082
4925         * fold-const.c: Fold &a[i]-&a[j] to i-j.
4926
4927 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
4928
4929         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
4930         definitions of ssa names in condition.  Split recusive part to ...
4931         (tree_simplify_using_condition_1): New function.
4932         (expand_simple_operations): New function.
4933
4934 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
4935
4936         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
4937         (find_interesting_uses_cond): Do not use integer_zerop and
4938         integer_nonzerop to check for integer constants.
4939         (set_use_iv_cost): Record the value field.
4940         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
4941         determine_use_iv_cost_outer): Set the value field of the cost pair.
4942         (may_eliminate_iv): Do not return the comparison code.
4943         (iv_elimination_compare): New function.
4944         (determine_use_iv_cost_condition): Set the value field.  Record
4945         noneliminable invariants correctly.
4946         (rewrite_use_compare, rewrite_use_outer): Use the value field.
4947
4948 2005-04-23  DJ Delorie  <dj@redhat.com>
4949
4950         * diagnostic.c (warning): Accept parameter to classify warning option.
4951         (warning0): New, for when a pointer to an error() like function is needed.
4952         * errors.c (warning): Likewise.
4953         * errors.h (warning, warning0): Adjust prototypes.
4954         * toplev.h (warning, warning0): Likewise.
4955
4956         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
4957         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
4958         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
4959         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
4960         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
4961         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
4962         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
4963         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
4964
4965         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
4966         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
4967         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
4968         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
4969         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
4970         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
4971         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
4972         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
4973         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
4974         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
4975         config/rs6000/aix52.h, config/rs6000/darwin.h,
4976         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
4977         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
4978         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
4979         config/stormy16/stormy16.c, config/v850/v850-c.c,
4980         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
4981         callers.
4982
4983 2005-04-23  Richard Henderson  <rth@redhat.com>
4984
4985         PR rtl-opt/21102
4986         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
4987         performing some integral scalar simplifications.
4988
4989 2005-04-23  Richard Henderson  <rth@redhat.com>
4990
4991         PR target/21099
4992         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
4993         simplifying CONST_VECTOR.
4994
4995 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
4996
4997         * tree-ssa-live.c (live_worklist): Take a stack allocated on
4998         heap as an argument.  Update uses of stack.
4999         (calculate_live_on_entry): Allocate stack on heap.
5000
5001         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
5002         partition_link and tpa_nodes on heap.
5003
5004         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
5005         (mark_stmt_necessary, propagate_necessity,
5006         mark_really_necessary_kill_operand_phis): Update uses of
5007         worklist.
5008         (tree_dce_init): Allocate worklist using VEC_alloc.
5009         (tree_dce_done): Free worklist using VEC_free.
5010
5011 2005-04-23  Mike Stump  <mrs@apple.com>
5012
5013         * config/darwin.c (machopic_indirection_name): Don't use
5014         quotes needlessly.
5015         (darwin_emit_unwind_label): Use user_label_prefix instead of
5016         "_".
5017
5018 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
5019
5020         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
5021
5022 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
5023
5024         * config.gcc <cris-*>: Specify .opt files.
5025         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
5026         config/cris/linux.opt: New files.
5027         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
5028         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
5029         (TARGET_ELF): Override to 0.
5030         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
5031         -melinux-stacksize=N.
5032         * config/cris/cris.c: (cris_handle_option): New function.
5033         (TARGET_DEFAULT_TARGET_FLAGS): Override.
5034         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
5035         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
5036         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
5037         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
5038         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
5039         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
5040         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
5041         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
5042         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
5043         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
5044         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
5045         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
5046         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
5047         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
5048         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
5049         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
5050         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
5051         (TARGET_LINUX): Define 0.
5052         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
5053         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
5054         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
5055         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
5056         (TARGET_LINUX): Override to 1.
5057         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
5058
5059 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
5060
5061         * haifa-sched.c (schedule_block): Fix thinko in previous
5062         assertification patch.
5063
5064 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
5065
5066         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
5067         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
5068         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
5069         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
5070         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
5071         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
5072         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
5073         for hpux11.[1-9]*.
5074         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
5075         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
5076         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
5077         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
5078         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
5079         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
5080         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
5081         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
5082         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
5083         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
5084         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
5085         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
5086         (SUBTARGET_OPTIONS): Delete.
5087         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
5088         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
5089         instead of a string.
5090         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
5091         (pa_cpu_string, pa_unix_string): Delete.
5092         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
5093         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
5094         TARGET_HPUX_10_10.
5095         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5096         (pa_handle_option): New function.
5097         (override_options): Remove handling of -march=, -mfixed-range=,
5098         -mschedule= and -munix=.
5099         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
5100         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
5101         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
5102         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
5103         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
5104         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
5105         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
5106         redefining.
5107         * config/pa/pa.opt: New file.
5108         * config/pa/pa-hpux.opt: New file.
5109         * config/pa/pa-hpux1010.opt: New file.
5110         * config/pa/pa-hpux1111.opt: New file.
5111         * config/pa/pa64-hpux.opt: New file.
5112
5113 2005-04-22  David S. Miller  <davem@davemloft.net>
5114
5115         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
5116         integer when it's mode is VOIDmode not DImode.
5117
5118 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
5119
5120         * config/rs6000/rs6000.md (sync_add<mode>_internal,
5121         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
5122         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
5123         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
5124         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
5125         "bne- $-xxx" rather than local labels.
5126         (sync_lock_release<mode>): Add second operand.
5127         (lwsync): Use .long rather than a more meaningful opcode.
5128         * doc/md.texi (Standard Names): Add description of second
5129         parameter to sync_lock_test_and_set.
5130
5131 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
5132
5133         PR tree-optimization/21088
5134         * fold-const.c (fold_unary, fold_binary, fold_ternary):
5135         Export.
5136         * tree-vrp.c (compare_values): Use fold_binary to compare
5137         pointers.  Use boolean_type_node as the type of a comparison
5138         expression being folded.
5139         * tree.h: Add prototypes for fold_unary, fold_binary,
5140         fold_ternary.
5141
5142         * tree-ssa-dom.c: Fix formatting.
5143
5144 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
5145
5146         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
5147         * lambda-code.c (perfect_nestify): Mark virtual operands in
5148         the moved statement for renaming.
5149         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
5150         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
5151         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
5152         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
5153         * tree-flow.h (struct var_ann_d): Update comments.
5154         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
5155         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
5156         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
5157         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
5158         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
5159         debug_names_replaced_by): Remove declarations.
5160         (delete_update_ssa, get_current_def, set_current_def): Declare.
5161         (rewrite_into_loop_closed_ssa): Add new argument.  Update
5162         all callers.
5163         * tree-into-ssa.c: Include params.h.
5164         (old_virtual_ssa_names): Remove.  Update all users.
5165         (need_to_replace_names_p): Remove.  Update all users.
5166         (struct update_ssa_stats_d): Declare.
5167         (update_ssa_stats): New local.
5168         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
5169         dump_tree_ssa_stats, debug_tree_ssa_stats,
5170         dump_update_ssa, debug_update_ssa,
5171         dump_names_replaced_by, debug_names_replaced_by): Declare.
5172         (get_current_def, set current_def): Make extern.
5173         (is_old_name, is_new_name): Protect against references
5174         past the end of the sets.
5175         (add_new_name_mapping): Assert that OLD and NEW are
5176         different SSA names for the same symbol.
5177         When adding a virtual mapping, update stats for virtual
5178         mapping heuristic.
5179         (insert_phi_nodes_for): If UPDATE_P is true, create the
5180         LHS of the new PHI by duplicating SSA name VAR.
5181         (insert_phi_nodes_1): Remove.  Update all users.
5182         (insert_phi_nodes): Remove second argument.  Update all
5183         users.
5184         (maybe_replace_use, maybe_replace_def): New.
5185         (rewrite_update_stmt): Call them.
5186         (mark_def_interesting): Remove calls to is_gimple_reg.
5187         (prepare_phi_args_for_update): Remove.  Update all users.
5188         (prepare_block_for_update): Only process virtual operands
5189         and GIMPLE registers in normal form.
5190         (prepare_use_sites_for): New.
5191         (prepare_names_to_update): Rename from prepare_def_sites.
5192         Call prepare_use_sites_for.
5193         (dump_update_ssa): Rename from dump_repl_tbl.
5194         Update all users.
5195         Show statistics for virtual mapping heuristic.
5196         (debug_update_ssa): Rename from debug_debug_repl_tbl.
5197         (init_update_ssa): Initialize UPDATE_SSA_STATS.
5198         (delete_update_ssa): Make extern.
5199         (mark_set_for_renaming): If the set is empty, do nothing.
5200         (release_ssa_name_after_update_ssa): Update comment.
5201         (insert_updated_phi_nodes_for): Do not remove existing
5202         PHI nodes for symbols.
5203         (switch_virtuals_to_full_rewrite_p): New.
5204         (switch_virtuals_to_full_rewrite): New.
5205         (update_ssa): Call them.
5206         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
5207         for every statement before updating.
5208         If all the names in NEW_SSA_NAMES have been marked for
5209         removal, do nothing.
5210         Only start at the top of the CFG if there are symbols in
5211         SYMS_TO_RENAME.
5212         (ssa_rewrite_finalize_block): Remove.
5213         (ssa_register_new_def): Remove.
5214         (ssa_rewrite_stmt): Remove.
5215         (ssa_rewrite_phi_arguments): Remove.
5216         (ssa_rewrite_initialize_block): Remove.
5217         (ssa_mark_def_sites): Remove.
5218         (ssa_mark_def_sites_initialize_block): Remove.
5219         (ssa_mark_phi_uses): Remove.
5220         (rewrite_ssa_into_ssa): Remove.
5221         * tree-phinodes.c (find_phi_node_for): Remove.
5222         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
5223         Call update_ssa.
5224         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
5225         Remove calls to verify_dominators and
5226         verify_loop_structure.
5227         (tree_unswitch_single_loop): Call update_ssa.
5228         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
5229         returns false.
5230         Call verify_stmts.
5231         (delete_tree_ssa): Assert that need_ssa_update_p returns
5232         false.
5233         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
5234         * tree-vectorizer.c (allocate_new_names, rename_def_op,
5235         free_new_names): Remove.  Update all users.
5236         (rename_use_op): Call get_current_def.
5237         (rename_variables_in_bb): Do not handle any real or
5238         virtual definition.
5239         (slpeel_update_phis_for_duplicate_loop): Call
5240         get_current_def and set_current_def instead of using
5241         SSA_NAME_AUX.
5242         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
5243         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
5244         ssa_names_to_replace and delete_update_ssa.
5245         * doc/invoke.texi: Document --param min-virtual-mappings
5246         and --param virtual-mappings-ratio.
5247
5248 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
5249
5250         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
5251         for newly created PHI nodes.
5252         Call create_new_def_for for every new V_MAY_DEF and
5253         V_MUST_DEF on the copied statement.
5254         (struct ssa_name_map_entry): Remove.
5255         (ssa_name_map_entry_hash): Remove.
5256         (ssa_name_map_entry_eq): Remove.
5257         (allocate_ssa_names): Remove.
5258         (rewrite_to_new_ssa_names_def): Remove.
5259         (rewrite_to_new_ssa_names_use): Remove.
5260         (rewrite_to_new_ssa_names_bb): Remove.
5261         (rewrite_to_new_ssa_names): Remove.
5262         (tree_duplicate_sese_region): Remove variables ver,
5263         definitions, phi, ssa_name_map and bi.
5264         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
5265         Call update_ssa.
5266         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
5267         update_ssa instead of rewrite_ssa_into_ssa.
5268         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
5269         create_new_def_for.
5270         (find_uses_to_rename_use): Add argument 'need_phis'.
5271         (find_uses_to_rename_stmt): Do not scan virtual operands.
5272         (find_uses_to_rename): Only scan PHI nodes for
5273         non-virtual names.
5274         (rewrite_into_loop_closed_ssa): Call update_ssa.
5275         (check_loop_closed_ssa_use): Ignore virtual operands.
5276         (check_loop_closed_ssa_stmt): Likewise.
5277         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
5278         NULL.
5279         (rename_variables, set_phi_def_stmts): Remove.
5280         (tree_duplicate_loop_to_header_edge): Reformat comment.
5281         Remove variables BB, I and DEFINITIONS.
5282         Call need_ssa_update_p.
5283         Call update_ssa.
5284         (lv_adjust_loop_header_phi): Reformat comment.
5285         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
5286         (marked_for_rewrite_p, any_marked_for_rewrite_p,
5287         mark_for_rewrite, unmark_all_for_rewrite,
5288         marked_ssa_names): Remove.  Update all users.
5289         (release_ssa_name): If VAR has been registered for SSA
5290         updating, do nothing.
5291         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
5292         (build_assert_expr_for): Call register_new_name_mapping.
5293         (insert_range_assertions): Update call to update_ssa.
5294         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
5295         marked_for_rewrite_p, any_marked_for_rewrite_p,
5296         marked_ssa_names): Remove.
5297
5298 2005-04-22  Jeff Law  <law@redhat.com>
5299
5300         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
5301         (restore_currdefs_to_original_value): Likewise.
5302         (register_definitions_for_stmt): Likewise.
5303         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
5304         for each variable.  Do not allocate/free block_defs_stack either.
5305         Do not iterate if we just thread jumps.  Only iterate if the
5306         tree_cleanup_cfg does useful work (temporary).
5307         (dom_opt_initialize_block): No longer push a marker on
5308         BLOCK_DEFS_STACK.
5309         (dom_opt_finalize_block): Removal call to restore currdefs.
5310         Relax restrictions for recording edge equivalences.
5311         (record_equivalences_from_phis): No longer need to track
5312         CURRENT_DEF.
5313         (optimize_stmt): Similarly.
5314         (thread_across_edge): Simplify by removing the requirement that
5315         statements in the block we are threading through must be nops.
5316         (initialize_hash_element): Handle GOTO_EXPR.
5317
5318 2005-04-22  David S. Miller  <davem@davemloft.net>
5319
5320         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
5321         CONST_DOUBLE_HIGH.
5322         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
5323         fix check on CONST_DOUBLE mode.  It should be VOIDmode
5324         when it is representing an integer.
5325
5326 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
5327
5328         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
5329         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
5330         * c-format.c (get_constant, decode_format_attr, get_flag_spec,
5331         find_char_info_specifier_index,
5332         find_length_info_modifier_index): Likewise.
5333         * c-typeck.c (composite_type, pop_init_level): Likewise.
5334         * combine.c (cant_combine_insn_p, try_combine): Likewise.
5335         * cse.c (cse_insn): Likewise
5336         * dominance.c (calc_dfs_tree): Likewise
5337         dwarf2out.c (loc_descriptor_from_tree_1,
5338         add_abstract_origin_attribute, force_decl_die,
5339         force_type_die): Likewise
5340         emit-rtl.c (operand_subword_force): Likewise
5341         explow.c (hard_function_value): Likewise
5342         expmed.c (store_bit_field, expand_divmod,
5343         emit_store_flag_force): Likewise
5344         expr.c (emit_move_multi_word, store_expr,
5345         expand_expr_real_1): Likewise
5346         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
5347         output_operand): Likewise
5348         flow.c (recompute_reg_usage): Likewise
5349         * function.c (assign_stack_temp_for_type, assign_temp,
5350         handle_epilogue_set): Likewise
5351         * genextract.c (main): Likewise
5352         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
5353         gimplify_modify_expr_rhs, gimplify_expr): Likewise
5354         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
5355         ready_remove, rm_line_notes, rm_other_notes,
5356         schedule_block): Likewise
5357         mips-tfile.c (copy_object, out_of_bounds): Likewise
5358
5359 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
5360
5361         PR target/20813
5362         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
5363         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
5364         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
5365         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
5366         TARGET_XL_COMPAT.
5367         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
5368
5369 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
5370
5371         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
5372         (gcc_tree_to_linear_expression): Convert to heap allocated
5373         vectors.
5374         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
5375         lbv_to_gcc_expression, lle_to_gcc_expression,
5376         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
5377         perfect_nestify): Likewise.
5378         lambda.h (gcc_loopnest_to_lambda_loopnest,
5379         lambda_loopnest_to_gcc_loopnest): Likewise.
5380         tree-loop-linear.c (linear_transform_loops): Likewise.
5381
5382 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
5383
5384         * config/sparc/predicates.md (arith_double_operand): Use
5385         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
5386         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
5387         (DImode, DFmode constant splitters): Likewise.  Remove code for
5388         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
5389         (logical constant splitters): Use const_int_operand predicate.
5390         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
5391         HOST_BITS_PER_WIDE_INT < 64.
5392
5393 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
5394
5395         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
5396         gcc_unreachable as appropriate.
5397         (force_mode, emit_move_sequence, singlemove_string,
5398         output_move_double, output_fp_move_double, find_addr_reg,
5399         output_block_move, output_block_clear, output_and,
5400         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
5401         pa_adjust_cost, pa_issue_rate, print_operand,
5402         output_global_address, output_arg_descriptor, output_cbranch,
5403         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
5404         output_call): Likewise.
5405         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
5406         prefetch, prefetch_cc, prefetch_nocc): Likewise.
5407
5408 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
5409
5410         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
5411         _gcov_pow2_profiler and _gcov_one_value_profiler.
5412         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
5413         (GTFILES): Add $(srcdir)/tree-profile.c.
5414         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
5415         __gcov_one_value_profiler): Declare.
5416         * gimplify.c (force_gimple_operand): Check whether the statements
5417         should be produced in ssa form.
5418         (force_gimple_operand_bsi): New function.
5419         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
5420         __gcov_one_value_profiler): New functions.
5421         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
5422         the profiled value is a power of two or not.
5423         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
5424         * tree-flow.h (in_ssa_p): Declare.
5425         (force_gimple_operand_bsi): Declare.
5426         * tree-into-ssa.c (in_ssa_p): New variable.
5427         (rewrite_into_ssa): Set in_ssa_p.
5428         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
5429         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
5430         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
5431         tree_one_value_profiler_fn): New variables.
5432         (tree_init_edge_profiler): Initialize the profiler function decls.
5433         (tree_gen_edge_profiler): Use global gcov_type_node.
5434         (prepare_instrumented_value): New function.
5435         (tree_gen_interval_profiler, tree_gen_interval_profiler,
5436         tree_gen_one_value_profiler): Call the library functions instead of
5437         creating instrumentation code.
5438         * tree.c (build_fn_decl): New function.
5439         * tree.h (build_fn_decl): Declare.
5440         * value-prof.c (rtl_divmod_values_to_profile,
5441         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
5442         tree_mod_pow2_value_transform, tree_find_values_to_profile):
5443         Do not handle may_be_other and precise values of exponents at pow2
5444         profiler.
5445         (tree_mod_subtract_transform): Reflect that value field of
5446         histogram has changed meaning.
5447         (tree_divmod_values_to_profile): Record the values correctly.
5448         (tree_values_to_profile): Update comment.
5449         * value-prof.h (struct histogram_value_t): Remove pow2 data.
5450
5451 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
5452
5453         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
5454         (decl).
5455
5456 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
5457
5458         * config/i386/i386.md (length_immediate): Use gcc_assert or
5459         gcc_unreachable, as appropriate.
5460         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
5461         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
5462         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
5463         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
5464         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
5465         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
5466         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
5467         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
5468         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
5469         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
5470         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
5471         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
5472         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
5473         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
5474         *prefetch_sse_rex): Likewise.
5475         * config/i386/predicates.md (x86_64_immediate_operand,
5476         x86_64_zext_immediate_operand, symbolic_operand,
5477         no_seg_address_operand, aligned_operand,
5478         memory_displacement_operand): Likewise.
5479         * config/i386/sse.md (*mov<mode>_internal,
5480         *movv2df_internal): Likewise.
5481
5482 2005-04-22  Jan Hubicka  <jh@suse.cz>
5483
5484         * Makefile.in (ipa.o, ipa-inline.o): New files.
5485         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
5486         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
5487         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
5488         * cgraphunit.c (cgraph_default_inline_p,
5489         cgraph_decide_inlining_incrementally,  ncalls_inlined,
5490         nfunctions_inlined, initial_insns, overall_insns,
5491         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
5492         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
5493         cgraph_mark_inline, cgraph_check_inline_limits,
5494         cgraph_default_inline_p, cgraph_recursive_inlining_p,
5495         update_callee_keys, lookup_recursive_calls,
5496         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
5497         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
5498         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
5499         pass_ipa_inline): Move to ipa-inline.c
5500         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
5501         * ipa.c: New file.
5502         * ipa-inline.c: New file.
5503
5504 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
5505
5506         * doc/invoke.texi (SPARC options): Document that -mapp-regs
5507         is turned off by default on Solaris.
5508
5509 2005-04-21  Roger Sayle  <roger@eyesopen.com>
5510
5511         * c-common.h (objc_build_method_signature): Update prototype.
5512         * stub-objc.c (objc_build_method_signature): Update the stub
5513         implementation to accept and ignore additional parameter.
5514         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
5515         the value of ellipsis to objc_build_method_signature instead
5516         of setting TREE_OVERFLOW on the parms TREE_LIST node.
5517
5518 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
5519
5520         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
5521         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
5522         gen_rtx_* not gen_rtx_fmt_*.
5523         (rs6000_emit_vector_select): Likewise.
5524         (rs6000_emit_sync): New.
5525         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
5526         (larx, stcx, cmp): New mode substitutions.
5527         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
5528         UNSPEC_ISYNC): New constants.
5529         (rlwinm): Give name.
5530         (memory_barrier, isync, lwsync): New insns.
5531         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
5532         (sync_lock_release<mode>): New expander.
5533         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
5534         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
5535         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
5536         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
5537         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
5538         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
5539         (sync_add<mode>_internal, sync_addshort_internal,
5540         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
5541         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
5542         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
5543
5544         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
5545         is the memory before, not after, the operation.  Clarify
5546         barrier requirements.
5547
5548 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
5549
5550         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
5551         * lambda.h (lambda_vector_min_nz): Likewise.
5552         * langhooks.h (struct lang_hooks_for_types,
5553         struct lang_hooks): Likewise.
5554         * output.h (assemble_integer, this_is_asm_operands): Likewise.
5555         * tree.h: Likewise.
5556         * vec.h: Likewise.
5557         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
5558
5559         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
5560         comments to avoid 'abort'.  Use gcc_assert as necessary.
5561         * opts.c (common_handle_option): Likewise.
5562         * pretty-print.c (pp_base_format_text): Likewise.
5563         * print-rtl.c (print_rtx): Likewise.
5564         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
5565         * regmove.c (try_auto_increment): Likewise.
5566         * reload.c (find_valid_class, find_reloads_toplev,
5567         find_equiv_reg): Likewise.
5568         * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
5569         merge_assigned_reloads): Likewise.
5570         * tree-inline.c (inline_forbidden_p_1,
5571         estimate_num_insns_1): Likewise.
5572         * tree-optimize.c (execute_todo): Likewise.
5573         * tree-outof-ssa.c (eliminate_phi): Likewise.
5574         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
5575         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
5576         * tree-ssa-operands.c (parse_ssa_operands,
5577         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
5578         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
5579         * tree-ssanames.c (release_ssa_name): Likewise.
5580         * tree.c (int_bit_position, int_byte_position, tree_low_cst,
5581         walk_tree): Likewise.
5582
5583         * tree-ssa-operands.c (verify_abort): Fold into ..
5584         (verify_imm_links): ... here.
5585
5586 2005-04-21  Richard Henderson  <rth@redhat.com>
5587
5588         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
5589         on non-memory operand for previous inversion.
5590
5591 2005-04-21  Devang Patel  <dpatel@apple.com>
5592
5593         PR optimization/20994
5594         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
5595         x = !(a == b) : p , q;.
5596         (pass_if_conversion): Verify stmts and flow.
5597
5598 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
5599
5600         * optabs.c (gen_conditional_trap): Restore #define.
5601
5602         * alias.c (true_dependence): Remove 'abort' from comments. Use
5603         gcc_assert and gcc_unreachable as appropriate.
5604         (canon_true_dependence): Likewise.
5605         * bb-reorder.c (connect_traces): Likewise.
5606         * c-common.c (c_add_case_label): Likewise.
5607         * c-decl.c (finish_function): Likewise.
5608         * caller-save.c (insert_restore, insert_save): Likewise.
5609         * cfg.c (update_bb_profile_for_threading): Likewise.
5610         * cfganal.c (flow_active_insn_p): Likewise.
5611         * cfgexpand.c (add_reg_br_prob_note): Likewise.
5612         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
5613         cfg_layout_merge_blocks): Likewise.
5614         * ifcvt.c (cond_exec_process_insns, merge_if_block,
5615         find_if_block): Likewise.
5616         * integrate.c (allocate_initial_values): Likewise.
5617         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
5618         swap_condition, unsigned_condition, signed_condition,
5619         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
5620         reg_or_subregno): Likewise.
5621         * lambda-code.c (lambda_compute_auxillary_space,
5622         lambda_transform_legal_p): Likewise.
5623         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
5624         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
5625         lhd_incomplete_type_error, lhd_expand_expr,
5626         lhd_types_compatible_p, lhd_tree_size): Likewise.
5627         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
5628         * local-alloc.c (update_equiv_regs): Likewise.
5629         * loop-unroll.c (peel_loop_completely
5630         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
5631         peel_loop_simple, unroll_loop_stupid,
5632         analyze_iv_to_split_insn): Likewise.
5633         * loop.c (gen_prefetch, find_and_verify_loops,
5634         basic_induction_var): Likewise.
5635         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
5636         * value-prof.c (tree_find_values_to_profile): Likewise.
5637         * varasm.c (named_section, default_assemble_integer,
5638         decode_addr_const): Likewise.
5639
5640 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
5641            Fariborz Jahanian <fjahanian@apple.com>
5642
5643         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
5644         portion of argument passed in fpr.
5645         * expr.c (emit_push_insn): Fix computation of 'offset' used to
5646         decide on partial argument save on stack.
5647
5648 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
5649
5650         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
5651         comment typos.
5652
5653 2005-04-21  Jan Hubicka  <jh@suse.cz>
5654
5655         * cgraphunit.c: Include tree-pass.h
5656         (cgraph_decide_recursive_inlining,
5657         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
5658         cgraph_decide_inlining): Dump goes to dump_file.
5659         (cgraph_optimize): Call ipa passes instead of inliner.
5660         (cgraph_gate_inlining, pass_ipa_inline): New.
5661         * tree-optimize.c (all_ipa_passes): New static variable.
5662         (register_one_dump_file): Dead with IPA passes.
5663         (register_dump_files): Likewise.
5664         (init_tree_optimization_passes): Initialize IPA passes.
5665         (execute_todo): Do cgraph dump when asked to, do not dump function body
5666         for IPA pass.
5667         * tree-pass.h (TODO_dump_cgraph): New macro.
5668         (ipa_passes): Declare.
5669         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
5670
5671 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
5672
5673         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
5674         gcc_assert instead of abort.
5675         (classify_argument, examine_argument, construct_container,
5676         contains_128bit_aligned_vector_p, ix86_check_movabs,
5677         standard_80387_constant_opcode, standard_80387_constant_rtx,
5678         ix86_initial_elimination_offset, ix86_compute_frame_layout,
5679         pro_epilogue_adjust_stack, ix86_expand_epilogue,
5680         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
5681         legitimize_tls_address, output_pic_addr_const,
5682         i386_output_dwarf_dtprel, put_condition_code, print_reg,
5683         get_some_local_dynamic_name, print_operand, print_operand_address,
5684         output_387_binary_op, emit_i387_cw_initialization,
5685         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
5686         ix86_expand_clear, ix86_expand_binary_operator,
5687         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
5688         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
5689         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
5690         ix86_expand_branch, ix86_expand_setcc,
5691         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
5692         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
5693         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
5694         memory_address_length, ix86_attr_length_immediate_default,
5695         ix86_attr_length_address_default, ix86_agi_dependant,
5696         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
5697         ix86_expand_binop_builtin, ix86_force_to_memory,
5698         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
5699         x86_emit_floatuns): Likewise.
5700         * config/i386/netware.c (gen_regparm_prefix,
5701         i386_nlm_strip_name_encoding): Likewise.
5702         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
5703
5704 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
5705
5706         * optabs.c (gen_condiational_trap): Remove #define.
5707         (add_equal_note): Assertify. Remove explicit indirection from
5708         call via function pointer.
5709         (expand_ternary_op, expand_simple_binop, expand_binop,
5710         expand_twoval_unop, expand_twoval_binop,
5711         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
5712         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
5713         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
5714         prepare_float_lib_cmp, emit_conditional_move,
5715         emit_conditional_add, gen_add2_insn, gen_add3_insn,
5716         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
5717         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
5718         vector_compare_rtx, expand_vec_cond_expr): Likewise.
5719
5720 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
5721
5722         * vec.h: Update API to separate allocation mechanism from type.
5723         (VEC_safe_grow): New.
5724         * vec.c (calculate_allocation): New.
5725         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
5726         (vec_gc_free, vec_heap_free): Remove.
5727         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
5728         (VEC): Likewise.
5729         (mangle_macro_name): New.
5730         (struct macro_def): New.
5731         (struct macro): Add multiple argument values.
5732         (macro_expans_end): New.
5733         (push_macro_expansion):  Chain on new macro. Process multiple
5734         args, create follow on expansion. Return follow on argument.
5735         (macro_input): Deal with multiple arguments.
5736
5737         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
5738         (struct tree_binfo): Adjust.
5739         * basic-block.h: Define VEC(edge,gc).
5740         (struct edge_def): Adjust.
5741         (struct basic_block_def, struct edge_iterator): Likewise.
5742         (ei_container, ei_start_1, ei_last_1): Likewise.
5743         * cfg.c (connect_src, connect_dest): Likewise.
5744         * cfgrtl.c (force_nonfallthru_and_redirect)
5745         * dbxout.c (dbxout_type)
5746         * dwarf2out.c (gen_member_die)
5747         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
5748         (gcc_tree_to_linear_expression): Adjust.
5749         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
5750         lbv_to_gcc_expression, lle_to_gcc_expression,
5751         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
5752         perfect_nestify): Likewise.
5753         * lambda.h (gcc_loopnest_to_lambda_loopnest,
5754         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
5755         * profile.c (instrument_values): Adjust.
5756         * tree-cfg.c (modified_noreturn_calls): Adjust.
5757         (remove_fallthru_edge): Likewise.
5758         * tree-dump.c (dequeue_and_dump): Adjust.
5759         * tree-flow-inline.h (mark_stmt_modified): Adjust.
5760         * tree-flow.h (modified_noreturn_calls): Adjust.
5761         (tree_on_heap): Remove. (yay!)
5762         (register_new_def): Adjust.
5763         * tree-into-ssa.c: Define VEC(int,heap).
5764         (block_defs_stack): Adjust.
5765         (find_idf, insert_phi_nodes, register_new_def,
5766         rewrite_initialize_block, rewrite_finalize_block,
5767         register_new_update_single, rewrite_update_init_block,
5768         rewrite_update_fini_block, rewrite_blocks,
5769         ssa_rewrite_finalize_block, ssa_register_new_def,
5770         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
5771         * tree-loop-linear.c (linear_transform_loops): Adjust.
5772         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
5773         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
5774         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
5775         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
5776         vrp_variables_stack): Adjust declarations.
5777         (tree_ssa_dominator_optimize): Adjust.
5778         (dom_opt_initialize_block, remove_local_expressions_from_table,
5779         restore_nonzero_vars_to_original_value,
5780         restore_vars_to_original_value,
5781         restore_currdefs_to_original_value, dom_opt_finalize_block,
5782         record_var_is_nonzero, record_cond, record_const_or_copy_1,
5783         optimize_stmt, update_rhs_and_lookup_avail_expr,
5784         lookup_avail_expr, record_range): Likewise.
5785         * tree-ssa-pre.c: Define VEC(basic_block,heap).
5786         (compute_antic_aux): Adjust.
5787         (inserted_exprs, create_expression_by_pieces,
5788         insert_into_preds_of_block, eliminate, mark_operand_necessary,
5789         remove_dead_inserted_code, fini_pre): Likewise.
5790         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
5791         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
5792         ssa_prop_init): Likewise.
5793         * tree-ssa.c: Define VEC(bitmap,heap).
5794         (verify_name_tags): Adjust.
5795         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
5796         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
5797         tree_divmod_values_to_profile, tree_find_values_to_profile,
5798         value_profile_transformations): Likewise.
5799         * value-prof.h: Define VEC(histogram_value,heap).
5800         * varasm.c: Remove alias_pair pointer typedef, define
5801         VEC(alias_pair,gc).
5802         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
5803
5804         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
5805         not a pointer to it.  Create an object vector.
5806         (extern_symbols): Turn into an object vector.
5807         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
5808
5809 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
5810
5811         PR/20742
5812         * Makefile.in (tree-chrec.o): Depend on params.h.
5813         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
5814         default value 20.
5815         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
5816         and fold build with fold_buildN.
5817         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
5818         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
5819         (tree_contains_chrecs): Compute an estimation of the size of the
5820         given expression.
5821         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
5822         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
5823         * tree-scalar-evolution.c (simple_iv): Ditto.
5824         * doc/invoke.texi (scev-max-expr-size): Documented.
5825
5826 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
5827
5828         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
5829         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
5830         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
5831         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
5832         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
5833         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
5834         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
5835         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
5836         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
5837         (darwin_fix_and_continue_switch): Delete.
5838         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
5839         (SUBTARGET_SWITCHES): Delete.
5840         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
5841         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
5842         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
5843         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
5844         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
5845         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
5846         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
5847         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
5848         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
5849         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
5850         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
5851         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
5852         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
5853         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
5854         (TARGET_64BIT): Undef before redefining.
5855         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
5856         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
5857         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
5858         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
5859         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
5860         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
5861         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
5862         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
5863         (ix86_debug_arg_string, ix86_debug_addr_string)
5864         (ix86_align_loops_string, ix86_align_jumps_string)
5865         (ix86_align_funcs_string): Delete.
5866         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
5867         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
5868         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
5869         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
5870         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
5871         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
5872         (SUBTARGET_SWITCHES): Delete.
5873         * config/i386/i386.c (ix86_debug_arg_string): Delete.
5874         (ix86_debug_addr_string): Delete.
5875         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
5876         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
5877         (ix86_align_loops_string, ix86_align_jumps_string)
5878         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
5879         (ix86_align_funcs_string): Make static.
5880         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5881         (ix86_handle_option): New function.
5882         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
5883         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
5884         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
5885         of darwin_fix_and_continue_switch.
5886         (darwin_one_byte_bool): Delete.
5887         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
5888         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
5889         to darwin_one_byte_bool.
5890         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
5891         * config/i386/djgpp.opt, config/i386/i386.opt,
5892         * config/i386/sco5.opt: New files.
5893
5894 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5895
5896         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
5897         fp_zero_operand, fp_register_operand, intreg_operand,
5898         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
5899         call_operand, call_operand_address, tgd_symbolic_operand,
5900         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
5901         symbolic_operand, symbolic_memory_operand, label_ref_operand,
5902         sp64_medium_pic_operand, data_segment_operand,
5903         text_segment_operand, splittable_symbolic_memory_operand,
5904         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
5905         eq_or_neq, normal_comp_operator, noov_compare_op,
5906         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
5907         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
5908         const64_operand, const64_high_operand, arith11_operand,
5909         arith10_operand, arith_double_operand, arith_double_4096_operand,
5910         arith_double_add_operand, arith11_double_operand,
5911         arith10_double_operand, small_int, small_int_or_double,
5912         uns_small_int, uns_arith_operand, clobbered_register,
5913         input_operand, compare_operand): Delete.
5914         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
5915         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
5916         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
5917         (GEN_HIGHINT64, GEN_INT64): Delete.
5918         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
5919         gen_safe_XOR64): Adjust for above deletion.
5920         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
5921         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
5922         (legitimate_constant_p): Use const_zero_operand instead.
5923         (sparc_extra_constraint_check): Likewise.
5924         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
5925         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
5926         (PREDICATE_CODES): Delete.
5927         * config/sparc/sparc.md: Include predicates.md.
5928         (All patterns): Adjust for new predicate names.
5929         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
5930         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
5931         (movdi): Use general_operand predicate.
5932         (movdi_sp64_dbl): Delete.
5933         (movdi_const64_special): Add 'N' constraint.
5934         (movdicc): Use arith10_operand predicate.
5935         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
5936         (movdi_cc_reg_sp64): Use arith10_operand predicate.
5937         (movdi_cc_reg_sp64_trunc): Delete.
5938         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
5939         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
5940         (subdi3_sp32): Delete.
5941         (subdi3_insn_sp32): Change to define_insn_and_split.
5942         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
5943         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
5944         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
5945         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
5946         small_int_operand predicate.
5947         (divdi3, udivdi3): Use arith_operand predicate.
5948         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
5949         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
5950         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
5951         (xordi3_sp64_dbl): Delete.
5952         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5953         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
5954         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
5955         cmp_ccx_set_not): Use arith_operand predicate.
5956         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
5957         * config/sparc/predicates.md: New file.
5958
5959 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
5960
5961         PR tree-optimization/14846
5962         * fold-const.c (fold_single_bit_test_into_sign_test): New,
5963         split out from ...
5964         (fold_single_bit_test): ... here.
5965         (fold_binary): Call fold_single_bit_test_into_sign_test
5966         instead of fold_single_bit_test.
5967
5968 2005-04-20  James E Wilson  <wilson@specifixinc.com>
5969
5970         PR c++/20805
5971         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
5972         is another declaration.
5973
5974 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
5975
5976         * config/cris/predicates.md: New file.
5977         * config/cris/cris-protos.h (cris_store_multiple_op_p)
5978         (cris_movem_load_rest_p): Declare.
5979         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
5980         (cris_movem_load_rest_p): Ditto.  Globalize.
5981         (cris_bdap_operand, cris_bdap_biap_operand,
5982         cris_orthogonal_operator, cris_commutative_orth_op,
5983         cris_operand_extend_operator,
5984         cris_additive_operand_extend_operator, cris_extend_operator,
5985         cris_plus_or_bound_operator, cris_mem_op,
5986         cris_general_operand_or_symbol,
5987         cris_general_operand_or_gotless_symbol,
5988         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
5989         cris_load_multiple_op): Remove predicate functions.
5990         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
5991         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
5992         * config/cris/cris.h (PREDICATE_CODES): Don't define.
5993         * config/cris/cris.md: Include predicates.md.
5994         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
5995
5996 2005-04-20  Ian Lance Taylor  <ian@airs.com>
5997
5998         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
5999         * c-common.h (STMT_EXPR_STMT): Don't define.
6000         (STMT_EXPR_NO_SCOPE): Don't define.
6001         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
6002         * c-pretty-print.c (pp_c_primary_expression): Likewise.
6003         (pp_c_expression): Likewise.
6004
6005 2005-04-20  Richard Henderson  <rth@redhat.com>
6006
6007         PR target/21100
6008         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
6009
6010 2005-04-20  Jeff Law  <law@redhat.com>
6011
6012         * reload1.c (reload): Ignore equivalences between pseudos and
6013         read only memory.
6014
6015 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
6016
6017         PR c/12913
6018         * c-tree.h (struct c_label_list): Update comment.
6019         (struct c_label_context): Rename to struct c_label_context_se.
6020         (label_context_stack): Rename to label_context_stack_se.
6021         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
6022         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
6023         c_end_vm_scope): New.
6024         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
6025         * c-decl.c (pop_scope): Call c_end_vm_scope.
6026         (pushdecl): Call c_begin_vm_scope for variably modified
6027         declarations.
6028         (define_label): Check for jumping into scope of identifier with
6029         variably modified type.  Push label on stack for those defined at
6030         current context of identifiers with variably modified type.
6031         (start_function): Create stack level for context of identifiers
6032         with variably modified type.
6033         (finish_function): Pop stack level for context of identifiers with
6034         variably modified type.
6035         * c-typeck.c (label_context_stack): Rename to
6036         label_context_stack_se.
6037         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
6038         (c_finish_goto_label): Check for jumping into scope of identifier
6039         with variably modified type.  Push label on stack for those jumped
6040         to from current context of identifiers with variably modified
6041         type.
6042         (struct c_switch): Add blocked_vm.
6043         (c_start_case): Initialize blocked_vm.
6044         (do_case): Check blocked_vm.
6045         (c_finish_case): Add comment.
6046         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
6047         variable label_context_stack.
6048
6049 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
6050
6051         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
6052         conditional_replacement, value_replacement, abs_replacement,
6053         minmax_replacement.
6054         (replace_phi_edge_with_variable): Remove argument BB.
6055         (conditional_replacement, value_replacement,
6056         minmax_replacement, abs_replacement): Remove argument PHI_BB.
6057         Update a call to replace_phi_edge_with_variable.
6058
6059         * tree-ssa-phiopt.c: Fix comments.
6060
6061 2005-04-20  Michael Matz  <matz@suse.de>
6062
6063         PR20973
6064         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
6065         pseudos.
6066
6067 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
6068
6069         * tree-ssa-phiopt.c: Fix comment typos.
6070
6071         PR tree-optimization/21116
6072         * tree-ssa-phiopt.c: Fix a typo.
6073
6074 2005-04-19  Richard Henderson  <rth@redhat.com>
6075
6076         * builtins.c (expand_builtin_sync_operation): Revert last change.
6077         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
6078         not vs new value.
6079         (expand_compare_and_swap_loop): Likewise.
6080         (expand_sync_operation): Remove fallback from NAND to AND; invert
6081         memory operand when expanding from cmpxchg.
6082         (expand_sync_fetch_operation): Likewise.
6083         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
6084         compare-and-swap.
6085
6086         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
6087         when implementing NAND.  Fix double-add for AFTER.
6088         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
6089         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
6090         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
6091         memory value.
6092         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
6093         memory barrier.
6094
6095         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
6096         to return old memory value.
6097         (sync_compare_and_swap_cc<IMODE>): Likewise.
6098
6099         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
6100         return pre-reload.  Don't consider output or anti dependencies.
6101         * config/ia64/sync.md (IMODE): New.
6102         (modesuffix): Add QI and HI.
6103         (memory_barrier): Simplify expansion.
6104         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
6105         (cmpxchg_acq_<IMODE>): Likewise.
6106         (sync_lock_test_and_set<IMODE>): Likewise.
6107         (sync_lock_release<IMODE>): Likewise.
6108
6109 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
6110
6111         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
6112         ~X or ~Y simplify.
6113
6114 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
6115
6116         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
6117
6118 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
6119             Joseph S. Myers  <joseph@codesourcery.com>
6120
6121         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
6122         * c-typeck.c (build_c_cast): Check these options.
6123         * doc/invoke.texi: Document these options.
6124
6125 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
6126
6127         * tree-ssa-phiopt.c: Update a comment about the pass.
6128
6129 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
6130
6131         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
6132         config/mcore/mcore.c: Fix comment typos.
6133
6134 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
6135
6136         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
6137         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
6138
6139 2005-04-19  Paul Brook  <paul@codesourcery.com>
6140
6141         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
6142
6143 2005-04-19  Andrew Haley  <aph@redhat.com>
6144
6145         PR java/21022
6146         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
6147         looking at a field's bitpos.
6148
6149 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6150
6151         * system.h (fopen, fdopen, freopen): Define these to the unlocked
6152         libiberty functions.
6153
6154 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
6155
6156         PR tree-optimization/21096
6157         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
6158
6159 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
6160
6161         PR target/21098
6162         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
6163         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
6164
6165 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
6166
6167         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
6168         refers to the function being dumped.
6169
6170 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
6171
6172         * varasm.c (assemble_start_function): Remove reset of in_section.
6173
6174 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
6175
6176         PR tree-optimization/21085
6177         * fold-const (fold_binary): Don't change X % -C to X % C if C has
6178         overflowed.
6179
6180 2005-04-19  Ben Elliston  <bje@au.ibm.com>
6181
6182         * doc/invoke.texi (Optimize Options): Refer to the correct
6183         optimisation flag -ftree-dominator-opts, not -ftree-dom.
6184
6185 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
6186
6187         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
6188         alloca argument to be big enough.
6189
6190 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
6191
6192         PR middle-end/21049
6193         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
6194         cfun->cfg are NULL.
6195
6196 2005-04-18  Tom Tromey  <tromey@redhat.com>
6197
6198         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
6199         typo.
6200
6201 2005-04-18  Richard Henderson  <rth@redhat.com>
6202
6203         * config/alpha/alpha.c (alpha_split_atomic_op): New.
6204         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
6205         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
6206         * config/alpha/alpha-protos.h: Update.
6207         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
6208         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
6209         (attr type): Add ld_l, st_c, mb.
6210         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
6211         iornotsi3, xorsi_internal, xornotsi3): New.
6212         * config/alpha/ev4.md (ev4_ld): Add ld_l.
6213         (ev4_ist_c, ev4_mb): New.
6214         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
6215         (ev5_ld_l): New.
6216         * config/alpha/ev6.md (ev6_ild): Add ld_l.
6217         (ev6_ist): Add st_c.
6218         (ev6_mb): New.
6219         * config/alpha/sync.md: New file.
6220
6221 2005-04-18  Richard Henderson  <rth@redhat.com>
6222
6223         * builtins.c (expand_builtin_sync_operation): Fold nand to and
6224         for constants.
6225
6226         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
6227
6228 2005-04-18  Devang Patel  <dpatel@apple.com>
6229
6230         * config/rs6000/atlivec.md (mulv4si3): New pattern.
6231
6232 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
6233
6234         PR tree-optimization/20922
6235         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
6236         Fold X + c >= X and fold X - c <= X to true.
6237
6238 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
6239
6240         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
6241         unsigned int.
6242         (emergency_labeled_state_free): Likewise.
6243
6244 2005-04-18  Nick Clifton  <nickc@redhat.com>
6245
6246         * config/h8300/h8300.md (jump): Remove prescan parameter from
6247         calls to final_scan_insn.
6248
6249         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
6250         parameter from calls to final_scan_insn.
6251
6252         * config.gcc (m68hc12): Use the m68hc11.opt file for target
6253         specific options.
6254         (v850e, v850e1): Use the v850.opt file for target specific
6255         options.
6256
6257 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
6258
6259         PR tree-optimization/21001
6260         * tree-optimize.c (init_tree_optimization_passes): Move the
6261         first pass_forwprop immediately before pass_vrp.
6262
6263 2005-04-17  Ian Lance Taylor  <ian@airs.com>
6264
6265         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
6266         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
6267         from enum tree_code op to bool is_sizeof.
6268         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
6269         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
6270         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
6271         case.
6272         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
6273         cases.
6274         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
6275         ALIGNOF_EXPR cases.
6276
6277 2005-04-17  Ian Lance Taylor  <ian@airs.com>
6278
6279         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
6280
6281 2005-04-17  Richard Henderson  <rth@redhat.com>
6282
6283         * config/alpha/alpha.c (va_list_skip_additions): Only define if
6284         TARGET_ABI_OSF.
6285         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
6286         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
6287         of indirection through ssa names while looking for the gpr counter
6288         field.
6289         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
6290         saved va_list_gpr_size and va_list_fpr_size.
6291
6292 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
6293
6294         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
6295         both pointers or both integers.
6296
6297         * tree-vrp.c (maybe_add_assert_expr): Don't assert
6298         ASSERT_EXPRs for single-use variable.
6299
6300         * tree-into-ssa.c: Fix a comment typo.
6301
6302 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
6303
6304         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
6305         -mipsN before forcing a default of -mips2.
6306
6307 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
6308
6309         * predict.h (IS_TAKEN): Remove.
6310         * rtl.h (NOTE_PREDICTION): Likewise.
6311
6312         * modulo-sched.c (CFG_HOOKS): Remove.
6313
6314         * c-parser.c (N_C_TTYPES): Remove.
6315
6316         * tree-flow-inline.h (get_stmt_operands): Remove.
6317         * lambda-code.c, tree-ssa-loop-unswitch.c,
6318         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
6319         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
6320         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
6321         calls to get_stmt_operands.
6322         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
6323
6324 2005-04-17  Richard Henderson  <rth@redhat.com>
6325
6326         PR target/20375
6327         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
6328         of CUMULATIVE_ARGS past the last named argument.
6329         (alpha_va_start): Expect pretend_args_size only if strictly less than
6330         6 named arguments.
6331
6332 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
6333
6334         PR middle-end/21024
6335         * builtins.c (expand_builtin_strcat): Convert the result of
6336         strlen to the right type.
6337         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
6338         avoid creating type mismatches.
6339         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
6340         type mismatches.
6341
6342         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
6343
6344 2005-04-16  Richard Henderson  <rth@redhat.com>
6345
6346         PR target/21051
6347         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
6348         Use the mode of boolean_type_node when the user doesn't provide one.
6349         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
6350
6351 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
6352
6353         PR target/20126
6354         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
6355         (const)).
6356
6357         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
6358         comment.
6359
6360 2005-04-16  Roger Sayle  <roger@eyesopen.com>
6361             Steven Bosscher  <stevenb@suse.de>
6362
6363         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
6364         (fold_unary_to_constant): Likewise.
6365
6366 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
6367
6368         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
6369         PROP_ASM_SCAN.
6370
6371 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
6372
6373         * doc/install.texi (Specific): Avoid using asterisks in @anchor
6374         names related to target triplets.
6375         Remove i?86-*-esix from platform directory.
6376         Remove powerpc-*-eabiaix from platform directory.
6377
6378 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
6379
6380         PR middle-end/20491
6381         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
6382         falling through from SUBREG case to REG.
6383
6384 2005-04-15  Roger Sayle  <roger@eyesopen.com>
6385
6386         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
6387         (fold_binary): Update comment mentioning fold_relational_hi_lo.
6388         (fold_binary_to_constant): Simplify using fold_binary.
6389         (fold_unary_to_constant): Likewise, simplify using fold_unary.
6390
6391 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
6392
6393         * gthr-posix.c (pthread_cancel): Define.
6394         (pthread_mutexattr_init): Likewise.
6395         (pthread_mutexattr_settype): Likewise.
6396         (pthread_mutexattr_destroy): Likewise.
6397
6398 2005-04-15  David S. Miller  <davem@davemloft.net>
6399
6400         PR target/20673
6401         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
6402
6403 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
6404
6405         PR tree-optimization/21031
6406         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
6407         (forward_propagate_into_cond_1): Call it.  Forward propagate
6408         integer-integer casts into COND_EXPRs.
6409
6410 2005-04-15  Dave Korn  <dave.korn@artimi.com>
6411
6412         * gcc.c (default_compilers): Clarify obscure error message when
6413         reading from standard input.
6414
6415 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
6416
6417         * basic-block.h (PROP_EQUAL_NOTES): Remove.
6418         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
6419
6420         * tree-ssa-alias.c (init_alias_info): Remove a call to
6421         get_stmt_operands.
6422
6423 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
6424
6425         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
6426         of non-virtual PHI nodes like we use to.
6427
6428 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
6429
6430         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
6431         (attr_copy_rtx): Do not use it.
6432
6433 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
6434
6435         * doc/tree-ssa.texi: Grammer/abbreviation updates.
6436
6437 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
6438
6439         * tree-vect-transform.c (vectorizable_store): Mark necessary
6440         objects in the vectorized store needing renaming.  Update the
6441         SSA graph for V_MAY_DEF operands in the original store.
6442
6443 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
6444
6445         * tree-ssa-pre.c (compute_avail): It's okay to have
6446         TREE_INVARIANT's here, and value number the resulting expressions.
6447         (create_expression_by_pieces): Make sure operands that were
6448         min_invariant when we started, stay that way.
6449
6450 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
6451
6452         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
6453
6454 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
6455
6456         PR tree-optimization/20936.
6457         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
6458
6459 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6460
6461         * doc/invoke.texi: Fix typos.
6462         * doc/md.texi: Likewise.
6463         * doc/rtl.texi: Likewise.
6464         * doc/sourcebuild.texi: Likewise.
6465         * doc/tm.texi: Likewise.
6466
6467 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
6468
6469         PR tree-optimization/21004
6470         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
6471         and floorl in c99 mode only.
6472         * builtins.c (expand_builtin_int_roundingfn): Assert that
6473         fallback_fndecl is not NULL_TREE.
6474
6475 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
6476
6477         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
6478         * basic-block.h: Update the prototype for
6479         purge_all_dead_edges.
6480         * cfgexpand.c (tree_expand_cfg): Update a call to
6481         purge_all_dead_edges.
6482         * combine.c (combine_instructions): Likewise.
6483         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
6484         rest_of_handle_cse2, rest_of_handle_gcse,
6485         rest_of_handle_postreload): likewise.
6486
6487 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
6488
6489         PR middle-end/20739
6490         * gimplify.c (gimplify_addr_expr): Compensate for removal of
6491         e.g. cv-qualification conversions.
6492
6493 2005-04-14  Mike Stump  <mrs@apple.com>
6494
6495         * config/darwin-c.c (framework_construct_pathname): We must
6496         find all headers of a framework in the first instance of it
6497         found in the seach path.
6498
6499 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
6500
6501         PR tree-optimization/21021
6502         * tree-vrp.c (compare_values): Work around a bug in the front
6503         end that produces a comparison of mismatched types.
6504
6505 2004-04-14  Richard Henderson  <rth@redhat.com>
6506
6507         * config/ia64/ia64.h (enum fetchop_code): Remove.
6508         (enum ia64_builtins): Move ...
6509         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
6510         members except BSP and FLUSHRS.
6511         (ia64_init_builtins): Remove __sync builtins.
6512         (ia64_expand_builtin): Likewise.
6513         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
6514         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
6515         (ia64_expand_lock_release): Remove.
6516         * config/ia64/ia64.md (mf): Move to sync.md.
6517         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
6518         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
6519         * config/ia64/sync.md: New file.
6520         (memory_barrier): Rename from mf.
6521         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
6522         (cmpxchg_acq_<I48MODE>): Likewise.
6523         (sync_lock_test_and_set<I48MODE>): Likewise.
6524
6525         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
6526         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
6527
6528 2004-04-14  Richard Henderson  <rth@redhat.com>
6529
6530         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
6531         (ix86_compare_emitted): New.
6532         (ix86_expand_compare): Use ix86_compare_emitted if set.
6533         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
6534         and ix86_compare_op0 are set.
6535         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
6536         (TARGET_CMPXCHG, TARGET_XADD): New.
6537         (ix86_compare_emitted): Declare.
6538         * config/i386/i386.md: Include sync.md
6539         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
6540         (UNSPECV_XCHG, UNSPECV_LOCK): New.
6541         * config/i386/sync.md: New file.
6542
6543 2004-04-14  Richard Henderson  <rth@redhat.com>
6544
6545         PR middle-end/14311
6546         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
6547         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
6548         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
6549         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
6550         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
6551         BT_FN_I8_VPTR_I8_I8): New.
6552         * builtins.def (DEF_SYNC_BUILTIN): New.
6553         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
6554         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
6555         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
6556         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
6557         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
6558         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
6559         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
6560         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
6561         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
6562         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
6563         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
6564         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
6565         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
6566         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
6567         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
6568         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
6569         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
6570         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
6571         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
6572         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
6573         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
6574         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
6575         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
6576         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
6577         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
6578         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
6579         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
6580         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
6581         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
6582         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
6583         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
6584         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
6585         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
6586         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
6587         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
6588         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
6589         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
6590         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
6591         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
6592         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
6593         BUILT_IN_SYNCHRONIZE: New.
6594         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
6595         as a function.  Accept __sync_ as a prefix as well.
6596         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
6597         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
6598         expand_builtin_lock_release): New.
6599         (expand_builtin): Call them.
6600         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
6601         neither BOTH_P nor FALLBACK_P are defined.
6602         (builtin_type_for_size): New.
6603         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
6604         (resolve_overloaded_builtin): New.
6605         * c-common.h (resolve_overloaded_builtin): Declare.
6606         (builtin_type_for_size): Declare.
6607         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
6608         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
6609         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
6610         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
6611         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
6612         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
6613         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
6614         sync_compare_and_swap_cc, sync_lock_test_and_set,
6615         sync_lock_release): New.
6616         * optabs.h: Declare them.
6617         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
6618         expand_sync_operation, expand_sync_fetch_operation,
6619         expand_sync_lock_test_and_set): Declare.
6620         * genopinit.c (optabs): Add sync optabs.
6621         * optabs.c (init_optabs): Initialize sync optabs.
6622         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
6623         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
6624         expand_sync_operation, expand_sync_fetch_operation,
6625         expand_sync_lock_test_and_set): New.
6626         * doc/extend.texi (Atomic Builtins): New section
6627         * doc/md.texi (Standard Names): Add sync patterns.
6628
6629 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
6630
6631         * tree-eh.c (lower_try_finally_copy): Generate new code in
6632         response to goto_queue entries as if the queue was sorted by
6633         index, not pointers.
6634         (lower_try_finally_switch): Likewise.
6635
6636 2005-04-14  Richard Henderson  <rth@redhat.com>
6637
6638         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
6639         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
6640         register.
6641         (ix86_expand_fp_movcc): Update to match.
6642         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
6643         * config/i386/i386-protos.h: Update.
6644         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
6645         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
6646
6647 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
6648
6649         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
6650         refer to 4.0.
6651
6652 2005-04-14  Julian Brown  <julian@codesourcery.com>
6653
6654         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
6655         link failures on ppc64 Linux.
6656
6657 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
6658
6659         * config.gcc: Set cpu_type for s390.
6660
6661 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
6662
6663         Fix PR tree-optimization/20963
6664         * tree-ssa-pre.c (compute_avail): Remove special case for
6665         TREE_INVARIANT.
6666         (create_expression_by_pieces): Add value numbers for forced out
6667         statements.
6668
6669 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
6670
6671         * config/cris/cris.md: Replace references to (reg:SI 16) with
6672         (reg:SI CRIS_SRP_REGNUM).
6673
6674 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
6675
6676         PR tree-optimization/20657
6677         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
6678         create an appropriate range from it.
6679
6680 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
6681
6682         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
6683         <UNSPEC_FIST_CEIL> case.
6684
6685         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
6686         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
6687         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
6688         to implement lfloor and llfloor built-ins as x87 intrinsic function.
6689         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
6690         (lfloor<mode>2): New expanders.
6691         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
6692         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
6693         to implement lceil and llceil built-ins as x87 intrinsic function.
6694         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
6695         (lceil<mode>2): New expanders.
6696
6697 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
6698
6699         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
6700         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
6701
6702 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
6703
6704         PR target/20927
6705         * config/s390/s390-modes.def: Define TFmode.
6706
6707 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
6708
6709         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
6710         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6711         * config/mips/mips.c (mips16_insn_length): Remove reference to
6712         JUMP_TABLES_IN_TEXT_SECTION.
6713
6714 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
6715
6716         * simplify-rtx.c (simplify_binary_operation_1): Return
6717         scalar or vector of constant 0, depending on the xor's
6718         mode.
6719
6720 2005-04-13  Dale Johannesen  <dalej@apple.com>
6721
6722         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
6723         (objc-act.o):  Ditto.
6724         * objc/objc-act.c (objc_gimplify_expr):  New.
6725         (objc_get_callee_fndecl):  New.
6726         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
6727         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
6728         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
6729
6730 2005-04-13  Devang Patel  <dpatel@apple.com>
6731
6732         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
6733         temp variables.
6734
6735 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
6736
6737         CRIS prologue as RTL.
6738         * config/cris/cris-protos.h (cris_emit_movem_store)
6739         (cris_expand_prologue): Prototype.
6740         * config/cris/cris.c (struct machine_function): New member
6741         stdarg_regs.
6742         (cfa_label_num, cris_target_asm_function_prologue): Remove.
6743         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
6744         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
6745         (cris_load_multiple_op, cris_return_address_on_stack)
6746         (cris_return_address_on_stack_for_return): ISO-Cify.
6747         (cris_store_multiple_op): New predicate function.
6748         (cris_expand_prologue, cris_emit_movem_store): New functions.
6749         (cris_print_operand) <case 'O'>: Handle modifications other than
6750         post-increment.
6751         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
6752         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
6753         (cris_gen_movem_load): Rearrange slightly to make local variable
6754         src a parameter, removing osrc.
6755         (cris_setup_incoming_varargs): Set machine_function member
6756         stdarg_regs to correspond to the number of registers that need to
6757         be saved.
6758         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
6759         CRIS_UNSPEC_GOT.
6760         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
6761         cris_general_operand_or_gotless_symbol accept UNSPEC.
6762         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
6763         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
6764         ("*cris_store_multiple"): New pattern.  Tweak common comment above
6765         this and "*cris_load_multiple".
6766         ("prologue"): New define_expand.
6767
6768         * config/cris/cris.md ("epilogue"): Conditionalize on
6769         TARGET_PROLOGUE_EPILOGUE.
6770
6771 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
6772
6773         PR target/20924
6774         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
6775         fpsr 0 instead of fpsr 1.
6776         (divsf3_internal_thr): Ditto.
6777         (divdf3_internal_lat): Ditto.
6778         (divdf3_internal_thr): Ditto.
6779         (divxf3_internal_lat): Ditto.
6780         (divxf3_internal_thr): Ditto.
6781
6782 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
6783
6784         PR tree-optimization/20913
6785         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
6786
6787         PR tree-optimization/20702
6788         * tree-vrp.c (maybe_add_assert_expr): Recurse into
6789         dominator children that haven't been walked into.
6790
6791 2005-04-13  Julian Brown  <julian@codesourcery.com>
6792
6793         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
6794         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
6795         is true.
6796
6797 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
6798
6799         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
6800         config/i386/sse.md: Fix comment typos.
6801
6802         * genattrtab.c (NULL_ATTR): Remove.
6803         * ifcvt.c (NULL_EDGE): Likewise.
6804
6805         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
6806
6807         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
6808         NOTE_PREDICT): Remove.
6809
6810 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6811
6812         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
6813         * configure: Regenerate.
6814         * config.in: Likewise.
6815         * system.h: Declare vsnprintf if not already declared.
6816
6817 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
6818
6819         * optc-gen.awk: Handle stand-alone Mask records.
6820         * opth-gen.awk: Likewise.
6821         * doc/options.texi (Option file format): Document them.
6822         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
6823         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
6824         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
6825         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
6826         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
6827         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
6828         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
6829         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
6830         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
6831         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
6832         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
6833         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
6834         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
6835         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
6836         TARGET_LONG_DOUBLE_128): Likewise.
6837         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
6838         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
6839         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
6840         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
6841         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
6842         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
6843         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
6844         * config/sparc/sparc.c (fpu_option_set): New global.
6845         (sparc_handle_option): New function.
6846         (sparc_override_options): Test fpu_option_set.
6847         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
6848         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
6849         * config/sparc/sparc.opt: New file.
6850         * config/sparc/little-endian.opt: Likewise.
6851         * config/sparc/long-double-switch.opt: Likewise.
6852
6853 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
6854
6855         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
6856         (bfin_handle_options): Set it if -mshared-library-id= is seen.
6857         * config/bfin/bfin.opt (mshared-library-id=): Lose
6858         Var(bfin_lib_id_given).
6859
6860 2005-04-13  Matt Thomas  <matt@3am-software.com>
6861
6862         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
6863         defining.
6864
6865 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
6866
6867         * rtl.h (CLEAR_RTX_FLAGS): Remove.
6868
6869         * cgraphunit.c (INSNS_PER_CALL): Remove.
6870
6871         * tree-ssa-forwprop.c (vars,
6872         record_single_argument_cond_exprs,
6873         substitute_single_use_vars): Remove.
6874         (forward_propagate_into_cond_1, forward_propagate_into_cond):
6875         New.
6876         (tree_ssa_forward_propagate_single_use_vars): Call
6877         forward_propagate_into_cond for each COND_EXPR.
6878
6879         * tree-inline.c (INSNS_PER_STMT): Remove.
6880
6881 2005-04-12  Richard Henderson  <rth@redhat.com>
6882
6883         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
6884         (ix86_expand_sse_fp_minmax): ... from ...
6885         (ix86_expand_fp_movcc): ... here.
6886         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
6887         * config/i386/i386-protos.h: Update.
6888         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
6889         (sse_setccsf, sse_setccdf): Allow before reload.
6890         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
6891         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
6892         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
6893         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
6894         (anddf3, nanddf3, iordf3, xordf3): New.
6895
6896 2005-04-12  Jeff Law  <law@redhat.com>
6897
6898         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
6899         (tree-ssa-uncprop.o): Add dependencies.
6900         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
6901         * tree-flow.h (remove_useless_stmts): Remove prototype.
6902         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
6903         remove_useless_stmts.
6904         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
6905         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
6906         * tree-pass.h (pass_uncprop): Declare.
6907         * tree-ssa-uncprop.c: New file.
6908
6909 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
6910
6911         PR target/20670
6912         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
6913
6914 2005-04-12  Caroline Tice  <ctice@apple.com>
6915
6916         Temporary fix for partitioning problems.
6917         * passes.c (rest_of_handle_final): Remove code that
6918         frees unlikely_text_section_name,
6919         * varasm.c (assemble_start_function): Test for partitioning
6920         flag before writing out section labels.
6921         (assemble_end_function): Test for partitioning flag before
6922         writing out section labels.
6923
6924 2005-04-12  Steven Bosscher  <stevenb@suse.de>
6925             Stuart Hastings <stuart@apple.com>
6926             Jan Hubicka  <jh@suse.cz>
6927
6928         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
6929         references to gt-tree-cfg.h.
6930         * basic-block.h (struct basic_block_def): Don't skip rbi
6931         for garbage collection.
6932         (struct reorder_block_def): Make GTY-able.
6933         (struct control_flow_graph): New structure.
6934         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
6935         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
6936         but instead defines to the control_flow_graph for cfun.
6937         (label_to_block_map): New define, points to the label map of
6938         the control_flow_graph for cfun.
6939         (n_edges_for_function, n_basic_blocks_for_function,
6940         last_basic_block_for_function, basic_block_info_for_function,
6941         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
6942         basic_block_info_for_function, label_to_block_map_for_function):
6943         Counterparts for the above, taking a struct function as an extra
6944         argument.
6945         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
6946         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
6947         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
6948         (alloc_rbi_pool, free_rbi_pool): Remove.
6949         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
6950         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
6951         here...
6952         (cfg_layout_finalize) ... and don't free it here.
6953         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
6954         garbage collected.
6955         * flow.c (free_basic_block_vars): Set label_to_block_map and
6956         n_edges to zero too.
6957         * function.h (struct function): Add cfg field.
6958         * function.c (allocate_struct_function): Allocate the cfg.
6959         * tree-cfg.c (label_to_block_map): Remove.
6960         (build_tree_cfg): Don't allocate the rbi pool here...
6961         (delete_tree_cfg_annotations): ...and don't free it here.
6962         Also don't nullify label_to_block_map for cfun.
6963
6964 2005-04-12  Caroline Tice  <ctice@apple.com>
6965
6966         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
6967         Revert my patch from April 9.
6968         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
6969         (reorder_basic_blocks): Revert my patch from April 9.
6970         (insert_section_boundary_note): Revert my patch from April 9.
6971         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
6972         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
6973         (COLD_END_LABEL):  Revert my patch from April 9.
6974         (cold_text_section_label):  Revert my patch from April 9.
6975         (cold_end_label): Revert my patch from April 9.
6976         (dwarf2out_switch_text_section): Revert my patch from April 9.
6977         (output_aranges): Revert my patch from April 9.
6978         (output_ranges):  Revert my patch from April 9.
6979         (output_line_info): Revert my patch from April 9.
6980         (add_location_or_const_value_attribute):  Revert my patch from April 9.
6981         (dwarf2out_var_location): Revert my patch from April 9.
6982         (dwarf2out_init):  Revert my patch from April 9.
6983         (dwarf2out_finish): Revert my patch from April 9.
6984         * function.h (struct function): Revert my patch from April 9.
6985         * opts.c (decode_options): Revert my patch from April 9.
6986         * output.h (unlikely_section_label, hot_section_label,
6987         hot_section_end_label, cold_section_end_label,
6988         unlikely_text_section_name): Revert my patch from April 9.
6989         * passes.c (rest_of_handle_final): Revert my patch from April 9.
6990         * varasm.c (unlikely_section_label, hot_section_label,
6991         hot_section_end_label, cold_section_end_label,
6992         unlikely_text_section_name): Revert my patch from April 9.
6993         (initialize_cold_section_name): Revert my patch from April 9.
6994         (unlikely_text_section): Revert my patch from April 9.
6995         (in_unlikely_text_section): Revert my patch from April 9.
6996         (named_section): Revert my patch from April 9.
6997         (function_section): Revert my patch from April 9.
6998         (current_function_section): Revert my patch from April 9.
6999         (assemble_start_function): Revert my patch from April 9.
7000         (assemble_end_function): Revert my patch from April 9.
7001         (default_section_type_flags_1): Revert my patch from April 9.
7002
7003 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
7004
7005         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
7006         * config/sparc/sparc.md (untyped_call): Save the registers manually.
7007
7008         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
7009
7010 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
7011
7012         PR middle-end/20917
7013         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
7014         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
7015
7016 2004-04-12  Richard Henderson  <rth@redhat.com>
7017
7018         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
7019         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
7020         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
7021         (UNSPEC_*, UNSPECV_*): Renumber.
7022
7023 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
7024
7025         PR mudflap/19266
7026         From Richard Henderson <rth@redhat.com>:
7027         * tree-mudflap.c (mf_build_check_statement_for): Correct block
7028         splitting logic.
7029
7030 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
7031
7032         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
7033
7034 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
7035
7036         * config/bfin/bfin.c (bfin_library_id_string): Remove.
7037         (bfin_library_id): New variable.
7038         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
7039         instead of bfin_library_id_string.
7040         (bfin_handle_option): New function.
7041         (override_options): Remove most code to deal with shared library IDs,
7042         just check they aren't used without -mid-shared-library.
7043         (TARGET_HANDLE_OPTION): Define.
7044         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
7045         * config/bfin/bfin.opt (mshared-library-id=): New.
7046
7047 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
7048
7049         * tree-vect-transform.c: Fix comment typos.
7050
7051 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
7052
7053         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
7054         split critical edges when not possible/profitable.
7055
7056 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
7057
7058         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
7059         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
7060         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
7061         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
7062         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
7063         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
7064         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
7065         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
7066         MASK_NO_BITFIELD.
7067         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
7068         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7069         * config/ns32k/ns32k.opt: New file.
7070
7071 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
7072
7073         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
7074         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
7075         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
7076         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
7077         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
7078         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
7079         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
7080         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
7081         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
7082         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
7083         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
7084         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
7085         (MASK_COLDFIRE): Formatting fixes.
7086         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
7087         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
7088         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
7089         "_current_shared_library_a5_offset_".
7090         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7091         (MASK_ALL_CPU_BITS): New macro.
7092         (m68k_handle_option): New function.
7093         (override_options): Remove handling of m68k_library_id_string.
7094         * config/m68k/m68k.opt: New file.
7095         * config/m68k/ieee.opt: New file.
7096
7097 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
7098
7099         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
7100         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
7101         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
7102         (TARGET_CXX): Adjust accordingly.
7103         * target.h (struct gcc_target): Remove epxort_class_data.  Add
7104         determine_class_data_visibility and class_data_always_comdat.
7105         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
7106         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
7107         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
7108         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
7109         (arm_cxx_determine_class_data_visibility): New.
7110         (arm_cxx_class_data_always_comdat): Likewise.
7111         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
7112         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
7113         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
7114         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
7115         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
7116         Define.
7117
7118 2005-04-11  Devang Patel  <dpatel@apple.com>
7119
7120         * tree-data-ref.c (build_classic_dist_vector,
7121         compute_subscript_distance): Make externally visible.
7122         * tree-data-ref.h (build_classic_dist_vector,
7123         compute_subscript_distance): Same.
7124         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
7125         Check distance vector against vectorization factor.
7126         (vect_analyze_loop): Determine vectorizaion factor before
7127         analyzing data dependences.
7128         * tree-vectorizer.c (loops_num): Make it externally visible and
7129         rename ...
7130         * tree-vectorizer.c (vect_loops_num): ... new name.
7131         * tree-vectorizer.h  (vect_loops_num): New.
7132
7133 2005-04-11  Devang Patel  <dpatel@apple.com>
7134
7135         * tree-vect-analyze.c (vect_analyze_operations): Check
7136         vectorizable codition.
7137         * tree-vect-transform.c (vect_is_simple_cond): New function.
7138         (vectorizable_condition): New function.
7139         (vect_transform_stmt): Handle condition_vec_info_type.
7140         * tree-vectorizer.h (enum stmt_vec_info_type): Add
7141         condition_vec_info_type.
7142         (vectorizable_condition): New.
7143
7144 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
7145
7146         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
7147         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
7148         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
7149
7150         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
7151         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
7152
7153         * dwarf2out.c (output_line_info): Don't try to dereference
7154         a NULL current_function_decl.
7155
7156         * config/t-slibgcc-darwin: Don't put shared libraries in
7157         directories other than $(slibdir).
7158         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
7159         OS uses for it.
7160
7161 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
7162
7163         PR tree-optimization/20933
7164         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
7165         logic to reject aliases between read-only and writable
7166         variables ...
7167         (may_alias_p): ... here.
7168         (get_tmt_for): Do not associate read-only tags to pointers
7169         whose pointed-to type is not read-only.
7170         * tree-ssa.c (verify_ssa): Check that memory stores have at
7171         least one V_MAY_DEF or V_MUST_DEF.
7172
7173 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7174
7175         PR/17092
7176         * configure.ac (gcc_UNLOCKED_FUNCS): New.
7177         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
7178         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
7179         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
7180         _unlocked function.
7181         (fwrite_unlocked): Fix prototype.
7182
7183         * configure, config.in: Regenerate.
7184
7185 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
7186
7187         * tree-ssa-loop-im.c: Include real.h.
7188         (determine_invariantness_stmt): If real division divisor is
7189         invariant and flag_unsafe_math_optimizations enabled, generate
7190         invariant reciprocal for hoisting.
7191         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
7192
7193 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
7194
7195         Fix PR tree-optimization/20926
7196
7197         * tree-ssa-alias.c (add_type_alias): Handle subvars.
7198
7199 2005-04-11  Devang Patel  <dpatel@apple.com>
7200
7201         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
7202         operand ordering.
7203
7204 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
7205
7206         * fold-const.c (fold_binary_op_with_conditional_arg):
7207         use fold_buildN instead of "fold (buildN" in some
7208         non obvious places.
7209         (fold_unary): Likewise.
7210         (fold_binary): Likewise.
7211
7212 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
7213
7214         Fix PR tree-optimization/20612
7215         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
7216         handling
7217         (perfect_nestify): preheaderbb is *not* part of loop of the
7218         old destination.
7219
7220 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
7221
7222         * tree-ssa-alias.c (may_alias_p): If the variable
7223         is a global variable and the pointer is parameter
7224         and -fargument-noalias-global is used, then
7225         the pointer cannot alias the variable.
7226
7227 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
7228
7229         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
7230         * config/sparc/sparc.h: Likewise.
7231         * config/sparc/sparc.md: Likewise.
7232
7233 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
7234
7235         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
7236
7237         * tree-vrp.c: Fix a comment typo.
7238
7239 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
7240
7241         PR tree-optimization/20920
7242         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
7243         SSA_NAME flows through an abnormal edge.
7244         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
7245         through abnormal edges.
7246         (maybe_add_assert_expr): Likewise.
7247
7248 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
7249
7250         * config/s390/s390.h (s390_tune_string, s390_arch_string)
7251         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
7252         (s390_stack_size_string, s390_stack_guard_string, target_flags)
7253         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
7254         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
7255         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
7256         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
7257         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
7258         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
7259         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
7260         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
7261         (TARGET_HANDLE_OPTION): Likewise.
7262         (s390_tune): Initialize to PROCESSOR_max.
7263         (s390_arch_string): Make static.
7264         (s390_tune_string, s390_warn_framesize_string): Delete.
7265         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
7266         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
7267         (s390_handle_arch_option, s390_handle_option): New functions.
7268         (override_options): Remove parsing of option strings.
7269         * config/s390/s390.opt: New file.
7270
7271 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
7272
7273         * tree-complex.c (expand_vector_operations): Call
7274         update_stmt_if_modified.
7275
7276 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
7277
7278         * tree-vect-analyze (vect_determine_vectorization_factor):
7279         Do not use GET_MODE_NUNITS.
7280         * tree-vect-transform.c (vect_get_vec_def_for_operand,
7281         (vectorizable_load, vect_transform_loop): Likewise.
7282
7283 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
7284
7285         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
7286         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
7287         * optabs.h (enum optab_index): Add new OTI_lceil.
7288         (lceil_optab): Define corresponding macro.
7289         * optabs.c (init_optabs): Initialize lceil_optab.
7290         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
7291         and lceildi2 patterns.
7292         * builtins.c (expand_builtin_int_roundingfn): Handle
7293         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
7294         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
7295         BUILT_IN_LLCEIL{,F,L}.
7296         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
7297         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
7298         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
7299         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
7300         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
7301         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
7302         into lceil built-in function and (long long int)ceil{,f,l} into
7303         llceil built-in function.
7304         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
7305         BUILT_IN_LLCEIL.
7306
7307 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7308
7309         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
7310         zero.
7311
7312 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
7313
7314         * config/arm/arm.c: Fix a comment typo.
7315         * doc/tree-ssa.texi: Fix a typo.
7316
7317 2005-04-10  Steven Bosscher  <stevenb@suse.de>
7318
7319         * cselib.c (clear_table): Rename to cselib_clear_table.
7320         * cselib.h (cselib_clear_table): Add prototype.
7321         * gcse.c (gcse_main): Make 'f' argument unused.
7322         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
7323         of each basic block instead.
7324         (compute_sets, compute_hash_table_work): Likewise.
7325         (constprop_register): Change int 'alter_jumps' argument to bool.
7326         (do_local_cprop): Likewise.
7327         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
7328         the insn chain.  Explicitly clear the cselib tables after finishing
7329         one basic block.  Make sure there are no unterminated libcall blocks.
7330         Update compute_sets call.
7331         (cprop): Walk basic blocks instead of the insn chain.
7332         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
7333         Likewise.
7334         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
7335         one_cprop_pass calls.
7336
7337 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
7338
7339         * combine.c (combine_simplify_rtx): Remove a transformation that
7340         relies on an invalid assumption about rtl sign-extension semantics.
7341
7342 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
7343
7344         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
7345         to build_int_cst_wide.
7346
7347 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
7348
7349         PR target/20126
7350         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
7351         set the original address pseudo to the correct value before the
7352         original insn, if possible, and leave the insn alone, otherwise
7353         create a new pseudo, set it and replace it in the insn.
7354         * recog.c (validate_change_maybe_volatile): New.
7355         * recog.h (validate_change_maybe_volatile): Declare.
7356
7357 2005-04-09  Caroline Tice  <ctice@apple.com>
7358
7359         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
7360         Remove targetm.have_named_sections test.
7361         (fix_edges_for_rarely_executed_code): Likewise.
7362         (insert_section_boundary_note): Likewise.
7363         (reorder_basic_blocks): Check partitioning flag before calling
7364         verify_hot_cold_block_grouping.
7365         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
7366         the function struct rather than global variables.
7367         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
7368         (COLD_END_LABEL): Likewise
7369         (cold_text_section_label): New static global variable.
7370         (cold_end_label): Likewise.
7371         (dwarf2out_switch_text_section): Get hot/cold section labels from
7372         the function struct rather than global variables.
7373         (output_aranges): Use cold_text_section_label and cold_end_label;
7374         check partitioning flag before putting out delta.
7375         (output_ranges): Remove incorrect code attempting to use
7376         hot/cold labels.
7377         (output_line_info): Get cold section label from function struct.
7378         (add_location_or_const_value_attribute): Likewise.
7379         (get_subprogram_die): Get hot/cold section labels from function struct.
7380         (dwarf2out_var_location): Likewise.
7381         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
7382         write out cold_text_section_label if partition flag is set.
7383         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
7384         * function.h (struct function): Add new fields to point to hot/cold
7385         section labels: hot_section_label, cold_section_label,
7386         hot_section_end_label and cold_section_end_label; also add new field
7387         for cold text section name, unlikely_text_section_name.
7388         * opts.c (decode_options): Turn off partitioning flag if
7389         !targetm.have_named_sections.
7390         * output.h (hot_section_label): Remove.
7391         (hot_section_end_label): Remove.
7392         (cold_section_end_label): Remove.
7393         (unlikely_section_label): Remove.
7394         (unlikely_text_section_name): Remove.
7395         * passes.c (rest_of_handle_final):  Remove code that frees
7396         unlikely_text_section_name.
7397         * varasm.c (unlikely_section_label): Remove.
7398         (hot_section_label): Remove.
7399         (hot_section_end_label): Remove.
7400         (cold_section_end_label): Remove.
7401         (unlikely_text_section_name):  Remove.
7402         (initialize_cold_section_name): Modify to call
7403         targetm.strip_name_encoding; to store cold section name in current
7404         function struct, if it exists; and to only use the decl_section_name
7405         if flag_named_sections is true.
7406         (unlikely_text_section): Modify to get section name out of current
7407         function struct, if there is one; otherwise build it from
7408         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
7409         (in_unlikely_text_section): Likewise.
7410         (named_section): Modify to get/put cold section name in current function
7411         struct, if there is one.
7412         (function_section):  Change 'bool unlikely' to 'int reloc'; check
7413         targetm.have_named_sections before calling named_section.
7414         (current_function_section): Likewise.
7415         (assemble_start_function): Modify to get/put unlikely_text_section_name
7416         in current function struct; modify to get hot/cold section labels
7417         from function struct; initialize labels using
7418         ASM_GENERATE_INTERNAL_LABEL;
7419         test partitioning flag before writing out hot section label.
7420         (assemble_end_function): Test partitioning flag before writing out
7421         hot/cold section labels.
7422         (default_section_type_flags_1):  Modify to use array instead of
7423          char* for unlikely_text_section_name; set flags correctly for
7424          cold text section if there is not a current function decl.
7425
7426 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
7427
7428         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
7429         and TI_VA_LIST_FPR_COUNTER_FIELD.
7430         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
7431         * tree-pass.h (pass_stdarg): Add.
7432         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
7433         * tree-stdarg.c: New file.
7434         * tree-stdarg.h: New file.
7435         * Makefile.in (OBJS-common): Add tree-stdarg.o.
7436         (tree-stdarg.o): Add dependencies.
7437         * function.h (struct function): Add va_list_gpr_size and
7438         va_list_fpr_size fields.
7439         * function.c (allocate_struct_function): Initialize them.
7440         * target.h (struct gcc_target): Add stdarg_optimize_hook.
7441         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
7442         (TARGET_INITIALIZER): Add it.
7443
7444         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
7445         va_list_{g,f}pr_counter_field.
7446         (ix86_setup_incoming_varargs): Don't do anything if reg_save
7447         area will not be used.  Only save registers that tree-stdarg.c
7448         detected they need saving.
7449         (ix86_va_start): Don't set up fields that won't be used.
7450
7451         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
7452         va_list_{g,f}pr_counter_field.
7453         (setup_incoming_varargs): Don't do anything if reg_save
7454         area will not be used.  Only save registers that tree-stdarg.c
7455         detected they need saving.
7456         (rs6000_va_start): Don't set up fields that won't be used.
7457
7458         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
7459         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
7460         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
7461         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
7462
7463 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
7464
7465         PR target/20795
7466         * config/i386/i386.c (construct_container): Pass empty aligned
7467         struct, union or class in memory.
7468
7469 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
7470
7471         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
7472         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
7473         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
7474         config/rs6000/predicates.md: Fix comment typos.
7475
7476         * sched-int.h (haifa_insn_data): Remove blockage and units.
7477         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
7478         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
7479         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
7480
7481 2005-04-09  Jan Hubicka  <jh@suse.cz>
7482             Steven Bosscher  <stevenb@suse.de>
7483
7484         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
7485         * cfgloop.c (get_loop_exit_edges): Likewise.
7486         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
7487         (unloop): Likewise.
7488         * loop-unroll.c (analyze_insns_in_loop): Likewise.
7489         * tree-cfg.c (dump_cfg_status): Likewise.
7490
7491 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
7492
7493         * config/rs6000/predicates.md (altivec_register_operand): Remove
7494         redundant match_code test.
7495         (gpc_reg_operand): Same.
7496         (cc_reg_operand): Same.
7497         (cc_reg_not_cr0_operand): Same.
7498
7499 2005-04-09  Jan Hubicka  <jh@suse.cz>
7500
7501         Forgotten hunk from my last merge patch:
7502         * final.c (output_addr_const): Do not call mark_referenced.
7503
7504 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
7505
7506         * doc/tree-ssa.texi: Add immediate use documentation.
7507
7508 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
7509
7510         * arm.c (FL_WBUF): Define.
7511         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
7512         (arm_is_6_or_7): Delete.
7513         (arm_tune_wbuf): New.
7514         (arm_override_options): Set arm_tune_wbuf.
7515         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
7516         (arm_is_6_or_7): Delete declaration.
7517         (arm_tune_wbuf): New declartion.
7518         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
7519         (model_wbuf): Derive from arm_tune_wbuf.
7520         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
7521         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
7522         (arm740t): Mark CPUs as having a write buffer.
7523
7524 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
7525
7526         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
7527         of 'const_double_operand' in operand 2 constraints.  Update enable
7528         condition.
7529
7530 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
7531
7532         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
7533         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
7534         * optabs.h (enum optab_index): Add new OTI_lfloor.
7535         (lfloor_optab): Define corresponding macro.
7536         * optabs.c (init_optabs): Initialize lfloor_optab.
7537         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
7538         and lfloordi2 patterns.
7539         * builtins.c (expand_builtin_int_roundingfn): New prototype.
7540         (expand_builtin_int_roundingfn): New function.
7541         (fold_builtin_int_roundingfn): New prototype.
7542         (fold_builtin_int_roundingfn): New function, renamed from
7543         fold_builtin_lround.
7544         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
7545         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
7546         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
7547         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
7548         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
7549         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
7550         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
7551         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
7552         into lfloor built-in function and (long long int)floor{,f,l} into
7553         llfloor built-in function.
7554         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
7555         BUILT_IN_LLFLOOR.
7556
7557 2005-04-08  Ian Lance Taylor  <ian@airs.com>
7558
7559         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
7560         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
7561         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
7562         (DO_COND, DO_BODY): Likewise.
7563         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
7564         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
7565         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
7566         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
7567         (build_continue_stmt, build_break_stmt): Don't declare.
7568         (c_do_switch_warnings): Update declaration.
7569         * c-gimplify.c (enum bc_t): Remove.
7570         (struct c_gimplify_ctx, ctxp): Remove.
7571         (push_context, pop_context): Remove static functions.
7572         (c_genericize): Don't call push_context or pop_context.
7573         (begin_bc_block, finish_bc_block): Remove static functions.
7574         (build_bc_goto): Likewise.
7575         (gimplify_c_loop): Likewise.
7576         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
7577         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
7578         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
7579         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
7580         * c-common.c (c_do_switch_warnings): Rename from
7581         c_do_switch_warnings_1.
7582         (c_do_switch_warnings) [old version]: Remove.
7583         (c_do_switch_expr_warnings): Remove.
7584         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
7585         function instead of c_do_switch_expr_warnings.
7586         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
7587         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
7588         * c-pretty-print.c (pp_c_statement): Likewise.
7589         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
7590
7591 2005-04-08  Devang Patel  <dpatel@apple.com>
7592
7593         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
7594         While selecting replacement condition pay attention to loop header.
7595
7596 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
7597
7598         Merge from tree-cleanup-branch: VRP, store CCP, store
7599             copy-prop, incremental SSA updating of FUD chains and
7600             newly exposed symbols.
7601
7602         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
7603         (OBJS-common): Add tree-vrp.o.
7604         (tree-vrp.o): New rule.
7605         * basic-block.h (nearest_common_dominator_for_set): Declare.
7606         * common.opt (ftree-store-ccp): New flag.
7607         (ftree-copy-prop): New flag.
7608         (ftree-vrp): New flag.
7609         (ftree-store-copy-prop): New flag.
7610         * dominance.c (nearest_common_dominator_for_set): New.
7611         * domwalk.c (walk_dominator_tree): Only traverse
7612         statements in blocks marked in walk_data->interesting_blocks.
7613         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
7614         * fold-const.c (fold): Handle ASSERT_EXPR.
7615         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
7616         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
7617         flag_tree_vrp at -O2.
7618         * timevar.def (TV_TREE_VRP): Define.
7619         (TV_TREE_COPY_PROP): Define.
7620         (TV_TREE_STORE_COPY_PROP): Define.
7621         (TV_TREE_SSA_INCREMENTAL): Define.
7622         (TV_TREE_STORE_CCP): Define.
7623         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
7624         to kill_redundant_phi_nodes from comment.
7625         (verify_expr): Handle ASSERT_EXPR.
7626         * tree-dfa.c (mark_new_vars_to_rename): Remove second
7627         argument.  Update all users.
7628         (mark_call_clobbered_vars_to_rename): Remove.  Update all
7629         users.
7630         * tree-flow-inline.h (unmodifiable_var_p): New.
7631         * tree-flow.h (enum value_range_type): Declare.
7632         (struct value_range_def): Declare.
7633         (value_range): Declare.
7634         (remove_all_phi_nodes_for): Remove.  Update all users.
7635         (find_phi_node_for): Declare.
7636         (add_type_alias): Declare.
7637         (count_uses_and_derefs): Declare.
7638         (kill_redundant_phi_nodes): Remove.
7639         (rewrite_into_ssa): Remove.
7640         (rewrite_def_def_chains): Remove.
7641         (update_ssa, register_new_name_mapping, create_new_def_for,
7642         need_ssa_update_p, name_registered_for_update_p,
7643         release_ssa_name_after_update_ssa, dump_repl_tbl,
7644         debug_repl_tbl, dump_names_replaced_by,
7645         debug_names_replaced_by, mark_sym_for_renaming,
7646         mark_set_for_renaming, get_current_def, set_current_def,
7647         get_value_range, dump_value_range, debug_value_range,
7648         dump_all_value_ranges, debug_all_value_ranges,
7649         expr_computes_nonzero, loop_depth_of_name,
7650         unmodifiable_var_p): Declare.
7651         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
7652         ASSERT_EXPR.
7653         * tree-into-ssa.c (block_defs_stack): Update comment.
7654         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
7655         syms_to_rename, names_to_release, repl_tbl,
7656         need_to_initialize_update_ssa_p, need_to_update_vops_p,
7657         need_to_replace_names_p): New locals.
7658         (NAME_SETS_GROWTH_FACTOR): Define.
7659         (struct repl_map_d): Declare.
7660         (struct mark_def_sites_global_data): Add field
7661         interesting_blocks.
7662         (enum rewrite_mode): Declare.
7663         (REGISTER_DEFS_IN_THIS_STMT): Define.
7664         (compute_global_livein): Use last_basic_block instead of
7665         n_basic_blocks.
7666         (set_def_block): Remove last argument.  Update all callers.
7667         (prepare_use_operand_for_rename): Remove.  Update all callers.
7668         (prepare_def_operand_for_rename): Remove.  Update all callers.
7669         (symbol_marked_for_renaming): New.
7670         (is_old_name): New.
7671         (is_new_name): New.
7672         (repl_map_hash): New.
7673         (repl_map_eq): New.
7674         (repl_map_free): New.
7675         (names_replaced_by): New.
7676         (add_to_repl_tbl): New.
7677         (add_new_name_mapping): New.
7678         (mark_def_sites): Assume that all the operands in the
7679         statement are in normal form.
7680         (find_idf): Assert that the block in the stack is valid.
7681         (get_default_def_for): New.
7682         (insert_phi_nodes_for): Add new argument 'update_p'.
7683         Add documentation.
7684         If update_p is true, add a new mapping between the LHS of
7685         each new PHI and the name that it replaces.
7686         (insert_phi_nodes_1): Only call find_idf if needed.
7687         (get_reaching_def): Call get_default_def_for.
7688         (rewrite_operand): Remove.
7689         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
7690         and REWRITE_THIS_STMT are false.
7691         Assume that all the operands in the statement are in
7692         normal form.
7693         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
7694         (rewrite_virtual_phi_arguments): Remove.
7695         (invalidate_name_tags): Remove.
7696         (register_new_update_single, register_new_update_set,
7697         rewrite_update_init_block, replace_use,
7698         rewrite_update_fini_block, rewrite_update_stmt,
7699         rewrite_update_phi_arguments): New.
7700         rewrite_blocks): Remove argument 'fix_virtual_phis'.
7701         Add arguments 'entry', 'what' and 'blocks'.
7702         Initialize the dominator walker according to 'what' and
7703         'blocks'.
7704         Start the dominator walk at 'entry'.
7705         (mark_def_site_blocks): Add argument 'interesting_blocks'.
7706         Use it to configure the dominator walker.
7707         (rewrite_into_ssa): Remove argument 'all'.
7708         Make internal.
7709         (rewrite_all_into_ssa): Remove.
7710         (rewrite_def_def_chains): Remove.
7711         (mark_def_interesting, mark_use_interesting,
7712         prepare_phi_args_for_update, prepare_block_for_update,
7713         prepare_def_site_for, prepare_def_sites,
7714         dump_names_replaced_by, debug_names_replaced_by,
7715         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
7716         delete_update_ssa, create_new_def_for,
7717         register_new_name_mapping, mark_sym_for_renaming,
7718         mark_set_for_renaming, need_ssa_update_p,
7719         name_registered_for_update_p, ssa_names_to_replace,
7720         release_ssa_name_after_update_ssa,
7721         insert_updated_phi_nodes_for, update_ssa): New.
7722         * tree-loop-linear.c (linear_transform_loops): Call
7723         update_ssa instead of rewrite_into_ssa.
7724         * tree-optimize.c (vars_to_rename): Remove.
7725         Update all users.
7726         (init_tree_optimization_passes): Replace
7727         pass_redundant_phi with pass_copy_prop.
7728         Add pass_vrp.
7729         Replace pass_ccp with pass_store_ccp.
7730         Add pass_store_copy_prop after pass_store_ccp.
7731         (execute_todo): If the TODO_ flags don't include updating
7732         the SSA form, assert that it does not need to be updated.
7733         Call update_ssa instead of rewrite_into_ssa and
7734         rewrite_def_def_chains.
7735         If TODO_verify_loops is set, call verify_loop_closed_ssa.
7736         (tree_rest_of_compilation):
7737         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
7738         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
7739         TODO_cleanup_cfg): Renumber.
7740         (TODO_verify_loops, TODO_update_ssa,
7741         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
7742         TODO_update_ssa_only_virtuals): Define.
7743         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
7744         Declare.
7745         * tree-phinodes.c (make_phi_node): Update documentation.
7746         (remove_all_phi_nodes_for): Remove.
7747         (find_phi_node_for): New.
7748         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
7749         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
7750         (interpret_rhs_modify_expr): Likewise.
7751         * tree-sra.c (decide_instantiations): Mark all symbols in
7752         SRA_CANDIDATES for renaming.
7753         (mark_all_v_defs_1): Rename from mark_all_v_defs.
7754         (mark_all_v_defs): New function.  Update all users to call it
7755         with the whole list of scalarized statements, not just the
7756         first one.
7757         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
7758         (compute_flow_insensitive_aliasing): If the tag is
7759         unmodifiable and the variable isn't or vice-versa, don't
7760         make them alias of each other.
7761         (setup_pointers_and_addressables): If the type tag for
7762         VAR is about to change, mark the old one for renaming.
7763         (add_type_alias): New.
7764         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
7765         (ccp_lattice_t): Rename from latticevalue.
7766         (value): Remove.  Update all users.
7767         (const_val): New local variable.
7768         (do_store_ccp): New local variable.
7769         (dump_lattice_value): Handle UNINITIALIZED.
7770         (debug_lattice_value): New.
7771         (get_default_value): Re-write.
7772         (set_lattice_value): Re-write.
7773         (def_to_varying): Remove.  Update all users.
7774         (likely_value): Return VARYING for statements that make
7775         stores when STORE_CCP is false.
7776         Return VARYING for any statement other than MODIFY_EXPR,
7777         COND_EXPR and SWITCH_EXPR.
7778         (ccp_initialize): Re-write.
7779         (replace_uses_in, replace_vuse_in, substitute_and_fold):
7780         Move to tree-ssa-propagate.c.
7781         (ccp_lattice_meet): Handle memory stores when
7782         DO_STORE_CCP is true.
7783         (ccp_visit_phi_node): Likewise.
7784         (ccp_fold): Likewise.
7785         (evaluate_stmt): Likewise.
7786         (visit_assignment): Likewise.
7787         (ccp_visit_stmt): Likewise.
7788         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
7789         into DO_STORE_CCP.
7790         (do_ssa_ccp): New.
7791         (pass_ccp): Use it.
7792         (do_ssa_store_ccp): New.
7793         (gate_store_ccp): New.
7794         (pass_store_ccp): Declare.
7795         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
7796         (may_propagate_copy): Reformat.
7797         Don't abort if ORIG is a virtual and DEST isn't.
7798         If NEW does not have alias information but DEST does,
7799         copy it.
7800         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
7801         copy_prop_kind, which_copy_prop): Declare.
7802         (stmt_may_generate_copy, get_copy_of_val,
7803         get_last_copy_of, set_copy_of_val, dump_copy_of,
7804         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
7805         copy_prop_visit_stmt, copy_prop_visit_phi_node,
7806         init_copy_prop, fini_copy_prop, execute_copy_prop,
7807         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
7808         store_copy_prop): New.
7809         (pass_copy_prop, pass_store_copy_prop): Declare.
7810         * tree-ssa-dom.c (struct opt_stats_d): Add fields
7811         'num_const_prop' and 'num_copy_prop'.
7812         (cprop_operand): Update them.
7813         (dump_dominator_optimization_stats): Dump them.
7814         (tree_ssa_dominator_optimize): Call update_ssa instead of
7815         rewrite_into_ssa.
7816         (loop_depth_of_name): Declare extern.
7817         (simplify_cond_and_lookup_avail_expr): Guard against NULL
7818         values for LOW or HIGH.
7819         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
7820         (record_equivalences_from_stmt): Call expr_computes_nonzero.
7821         (cprop_operand): Only propagate if VAL != OP.
7822         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
7823         statement for renaming.
7824         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
7825         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
7826         add_type_alias if necessary.
7827         Call mark_new_vars_to_rename.
7828         (tree_ssa_iv_optimize): If new symbols need to be renamed,
7829         mark every statement updated, call update_ssa and
7830         rewrite_into_loop_closed_ssa.
7831         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
7832         from LIVEIN if VAR is a virtual.
7833         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
7834         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
7835         (get_call_expr_operands): Reformat statement.
7836         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
7837         symbols.
7838         * tree-ssa-propagate.c (ssa_prop_init): Initialize
7839         SSA_NAME_VALUE for every name.
7840         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
7841         get_value_loaded_by): New.
7842         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
7843         substitute_and_fold): Move from tree-ssa-ccp.c.
7844         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
7845         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
7846         get_value_loaded_by, replace_uses_in, substitute_and_fold):
7847         Declare.
7848         * tree-ssa.c (verify_use): Fix error message.
7849         (propagate_into_addr, replace_immediate_uses, get_eq_name,
7850         check_phi_redundancy, kill_redundant_phi_nodes,
7851         pass_redundant_phi): Remove.  Update all users.
7852         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
7853         add_type_alias, if necessary.
7854         * tree-vectorizer.h (struct _stmt_vect_info): Update
7855         documentation for field 'memtag'.
7856         * tree-vrp.c: New file.
7857         * tree.def (ASSERT_EXPR): Define.
7858         * tree.h (ASSERT_EXPR_VAR): Define.
7859         (ASSERT_EXPR_COND): Define.
7860         (SSA_NAME_VALUE_RANGE): Define.
7861         (struct tree_ssa_name): Add field 'value_range'.
7862         (PHI_REWRITTEN): Remove.
7863         (struct tree_phi_node): Remove field 'rewritten'.
7864         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
7865         -ftree-store-copy-prop): Document.
7866         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
7867         Document usage of update_ssa.
7868
7869 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
7870
7871         PR target/20814
7872         * config/rs6000/predicates.md (altivec_register_operand): Accept
7873         SUBREG.
7874         (and64_operand): Do not limit CONST_INT to mask64_operand.
7875         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
7876         (and_operand): Do not limit CONST_INT to mask_operand.
7877
7878 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
7879
7880         PR rtl-optimization/20466
7881         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
7882         for overlap of the address of each list member.
7883         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
7884
7885 2005-04-08  Mike Stump  <mrs@apple.com>
7886
7887         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
7888
7889         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
7890         instead of 4.
7891
7892 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
7893
7894         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
7895
7896         * function.c (push_function_context_to): Don't set
7897         contains_functions.
7898         * function.h (function): Remove contains_functions.
7899         (current_function_contains_functions): Remove.
7900
7901         * function.h (function): Remove instrument_entry_exit.
7902         (current_function_instrument_entry_exit): Remove.
7903
7904         * function.h (nonlocal_labels): Remove.
7905
7906         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
7907
7908         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
7909         (check_attr_value, write_attr_get, write_expr_attr_cache,
7910         find_attr, make_internal_attr): Don't reference negative_ok or
7911         unsigned_p.
7912         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
7913         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
7914         (ATTR_STATIC): Adjust the value.
7915
7916         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
7917
7918 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
7919
7920         * config/s390/tpf.h (ASM_SPEC): Define.
7921
7922 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
7923
7924         * tree-flow.h: Remove the prototype for
7925         redirect_immediate_uses.
7926         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
7927
7928 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
7929
7930         * arm.c (arm_const_double_by_parts): New function.
7931         * arm-protos.h (arm_const_double_by_parts): Add prototype.
7932         * arm.md (define_split for 64-bit constants): Add another one.
7933
7934 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
7935
7936         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
7937
7938 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7939
7940         * system.h: Revert last change.
7941
7942 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
7943
7944         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
7945         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
7946         (TARGET_SWITCHES): Delete.
7947         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
7948         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
7949         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
7950         * config/xtensa/xtensa.opt: New file.
7951
7952 2005-04-08  Ben Elliston  <bje@au.ibm.com>
7953
7954         * config/fp-bit.c: Include L_mul_tf in #endif comment.
7955         * config/fp-bit.h: Tidy comments.
7956
7957 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7958
7959         * system.h: Poison PARAMS.
7960
7961 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
7962
7963         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
7964         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
7965         (TARGET_SWITCHES): Delete.
7966         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
7967         * config/vax/vax.opt: New file.
7968
7969 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
7970
7971         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
7972
7973 2005-04-07  Ian Lance Taylor  <ian@airs.com>
7974
7975         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
7976         define.
7977         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
7978         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
7979         Likewise.
7980
7981 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
7982
7983         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
7984         all immediate uses in PHI nodes.
7985
7986 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
7987
7988         * arm.c (arm_const_double_inline_cost): Handle any constant by
7989         using gen_lowpart and gen_highpart_mode.
7990         (note_invalid_constants): All constants in an RTX with a constraint
7991         that permits memory are now pushed to the constant pool.
7992         (output_move_double): Delete code to handle reg to reg and
7993         constant to reg moves.
7994         (const_double_needs_minipool, output_mov_immediate): Delete.
7995         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
7996         CONST_INT and CONST_VECTOR.
7997         * arm.md (ANY64): New mode macro.
7998         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
7999         (movdf_soft_insn): Split reg-reg and const-reg moves.
8000         (split patterns for 64-bit constant and register moves): New.
8001         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
8002         (cirrus_movdf_hard_insn): Likewise.
8003         * fpa.md (movdf_fpa): Likewise.
8004         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
8005         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
8006         constraints.
8007         (movv2si_internal_2): Likewise.
8008         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
8009         (movdf_vfp): Likewise.
8010         * arm-protos.h (output_mov_immediate): Delete prototype.
8011
8012 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
8013
8014         PR target/20093
8015         * simplify-rtx.c (simplify_unary_operation_1): Check
8016         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
8017
8018 2005-04-06  James E Wilson  <wilson@specifixinc.com>
8019
8020         PR target/20717
8021         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
8022         ADDR_EXPR.
8023
8024 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
8025
8026         * coverage.h (GCOV_TYPE_NODE): Delete.
8027         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
8028         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
8029         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
8030         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
8031         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
8032
8033 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
8034
8035         PR other/20792
8036         * Makefile.in (gcc.pot): Remove options.c dependency.
8037         * optc-gen.awk: Don't quote help strings with N_().
8038
8039 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
8040
8041         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
8042         the function returns a pointer type.
8043
8044 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
8045
8046         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
8047         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
8048         * doc/invoke.texi: Documnet salias-max-implicit-fields.
8049         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
8050         explicit_uses members.
8051         (get_or_create_used_part_for): Initialize new fields.
8052         (fieldoff_compare): New function.
8053         (create_overlap_variables_for): Count number of fields, use
8054         heuristic to determine whether to create subvars for vars with
8055         only implicit uses.
8056         Sort the field list by offset and avoid creating duplicate SFT's.
8057
8058 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
8059
8060         * c.opt (-F): Remove trailing whitespace from help string.
8061         (-finput-charset): Use a tab to separate the switch name and help
8062         string.
8063         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
8064         (-ftree-vectorizer-verbose): Likewise.
8065
8066 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
8067
8068         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
8069         a PHI argument where a use occurs instead of all PHI arguments.
8070
8071 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
8072
8073         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
8074         scope.
8075
8076 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
8077
8078         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
8079         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
8080         config/bfin/bfin.h: Fix comment typos.
8081
8082 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
8083
8084         * doc/install.texi: Update the URL for Jacks.
8085         * doc/sourcebuild.texi: Likewise.
8086
8087 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
8088
8089         PR target/17245
8090         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
8091         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
8092
8093 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
8094
8095         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
8096
8097 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
8098
8099         * config/v850/v850-protos.h (override_options): Delete.
8100         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
8101         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
8102         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
8103         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
8104         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
8105         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
8106         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
8107         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
8108         (OVERRIDE_OPTIONS): Delete.
8109         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
8110         (small_memory_info): Remove the value field.
8111         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
8112         TARGET_NO_APP_REGS.
8113         * config/v850/v850.c (small_memory): Remove the value field.
8114         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8115         (override_options): Delete.
8116         (v850_handle_memory_option, v850_handle_option): New functions.
8117         * config/v850/v850.opt: New file.
8118
8119 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
8120
8121         * config.host: Add a section for generic hosts, and a subsection
8122         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
8123         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
8124         * config/host-darwin.h: New.
8125         * config/x-darwin: New.
8126         * config/i386/host-i386-darwin.c: New.
8127         * config/i386/x-darwin: New.
8128         * config/rs6000/host-darwin.c: Include host-darwin.h.
8129         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
8130         (darwin_rs6000_gt_pch_use_address): Likewise.
8131         * config/rs6000/x-darwin: Change name of .o built, update
8132         dependencies for changes to rs6000/host-darwin.c.
8133
8134 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
8135
8136         PR target/17824
8137         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
8138
8139 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
8140
8141         * tree-vect-analyze.c (vect_analyze_loop_form): Call
8142         split_loop_exit_edge instead of loop_split_edge_with.
8143
8144 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
8145
8146         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
8147         UNSPEC_SET_VSCR): New constants, used throughout.
8148         (*andc3_v4sf): New.
8149         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
8150         Replace with...
8151         (altivec_vspltis<VI_char>): ... this pattern, using
8152         a QImode const_int_operand for the immediate.
8153         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
8154         define_expands.
8155
8156 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
8157
8158         PR target/17822
8159         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
8160
8161 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
8162
8163         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
8164
8165 2005-04-06  Ben Elliston  <bje@au.ibm.com>
8166
8167         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
8168         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
8169         macros as living in "this file" and not gcc.h.
8170
8171 2005-04-06  Ben Elliston  <bje@au.ibm.com>
8172
8173         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
8174         -ftree-live_range_split.  Perhaps renamed at some point?
8175
8176 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
8177
8178         PR target/20625
8179         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
8180         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
8181
8182 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
8183
8184         * tree-flow.h (number_of_iterations_cond): Declaration removed.
8185         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
8186         (number_of_iterations_special): New function.
8187         (number_of_iterations_exit): Use number_of_iterations_special.
8188         Use simplify_using_outer_evolutions only at -O3.
8189         (number_of_iterations_cond, tree_simplify_using_condition,
8190         simplify_using_initial_conditions, loop_niter_by_eval,
8191         compare_trees, can_count_iv_in_wider_type_bound,
8192         simplify_using_outer_evolutions): Use fold_build.
8193
8194 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
8195
8196         * doc/install.texi (Configuration): Document --with-java-home.
8197
8198 2005-04-05  Richard Henderson  <rth@redhat.com>
8199
8200         PR target/20342
8201         PR target/20447
8202         * config/i386/i386.c (print_operand): Handle vector zeros.
8203         (ix86_split_to_parts): Handle CONST_VECTOR.
8204         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
8205         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
8206         what modes to tie for MMX and SSE registers.
8207         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
8208         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
8209         to vector modes as well.
8210         * config/i386/predicates.md (const0_operand): Handle VOIDmode
8211         properly as an input mode.
8212
8213 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
8214
8215         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
8216
8217 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
8218
8219         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
8220
8221 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
8222
8223         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
8224         and local functions, set sse_nregs to 8 and float_in_sse.
8225         (function_arg_advance, function_arg): If float_in_sse, pass
8226         SFmode and DFmode arguments in SSE registers.
8227         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
8228
8229         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
8230         of -funit-at-a-time.
8231
8232 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
8233
8234         * config/i386/i386-protos.h (ix86_function_value): Accept two
8235         arguments, like the target macro.
8236         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
8237         * config/i386/i386.c (ix86_function_value): Accept the second
8238         argument of the target macro.
8239         (ix86_function_ok_for_sibcall): Pass a function pointer to
8240         ix86_function_value.
8241         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
8242         call to ix86_value_regno).
8243         (ix86_value_regno): Add support for returning floating point values
8244         in SSE registers.
8245
8246 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
8247
8248         PR tree-optimization/20076
8249         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
8250         that call __builtin_return or __builtin_apply_args.
8251
8252 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
8253
8254         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
8255         Use immediate use iterator.
8256         (stmt_is_bumper_for_loop): Use immediate use iterator.
8257         * predict.c (strip_builtin_expect): Use update_stmt.
8258         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
8259         on all elements of a STATEMENT_LIST.
8260         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
8261         (bsi_remove): Remove imm_use links and mark the stmt as modified.
8262         (bsi_replace): Mark stmt as modified and the update it.
8263         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
8264         (expand_complex_libcal): Call update_stmt.
8265         (expand_complex_comparison): Call mark_stmt_modified.
8266         (expand_complex_operations_1): Call update_stmt_if_modified.
8267         (expand_vector_operations_1): Call mark_stmt_modified.
8268         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
8269         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
8270         add_immediate_use, redirect_immediate_use,
8271         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
8272         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
8273         (mark_new_vars_to_rename): Call update_stmt.
8274         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
8275         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
8276         Ignore PHI nodes.
8277         (unmodify_stmt): Delete.
8278         (update_stmt): New.  Force an update of a stmt.
8279         (update_stmt_if_modified): update a stmt if it is out of date.
8280         (get_stmt_operands): Verify stmt is NOT modified.
8281         (stmt_modified_p): Update comment.
8282         (delink_imm_use): Remove a use node from its immuse list.
8283         (link_imm_use_to_list): Link a use node to a specific list.
8284         (link_imm_use): Link a node to the correct list.
8285         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
8286         it in the correct list, if appropriate.
8287         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
8288         (relink_imm_use): Link a use node in place of another node in a list.
8289         (relink_imm_use_stmt): LInk a node in place of another node, and set
8290         the stmt pointer.
8291         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
8292         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
8293         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
8294         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
8295         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
8296         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
8297         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
8298         (has_zero_uses): New.  Return true if there are no uses of a var.
8299         (has_single_use): New.  Return true if there is only a single use of a
8300         variable.
8301         (single_imm_use): New.  Return the simgle immediate use.
8302         (num_imm_uses): New.  Return the number of immediate uses.
8303         (get_v_must_def_ops): Use is now a pointer.
8304         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
8305         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
8306         the use node.
8307         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
8308         (delink_stmt_imm_use): Delink all immuses from a stmt.
8309         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
8310         * tree-flow.h (struct dataflow_d): Delete.
8311         (immediate_use_iterator_d): New.  Immediate use iterator struct.
8312         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
8313         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
8314         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
8315         iteration.
8316         (struct stmt_ann_d): Remove dataflow_t from struct.
8317         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
8318         (if_convertible_phi_p): Use FAST immuse iterator.
8319         (if_convertible_loop_p): Don't call compute_immediate_uses.
8320         (replace_phi_with_cond_modify_expr): Call update_stmt.
8321         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
8322         update_stmt_if_modified.
8323         (rewrite_all_into_ssa): Initialize ssa operands.
8324         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
8325         compute_immediate_uses.
8326         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
8327         ssa_property is available.
8328         (execute_one_pass):  Change parameters passed to execute_todo.
8329         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
8330         (remove_ssa_form): Call fini_ssa_operands.
8331         (insert_backedge_copies): Delete call to modify_stmt.
8332         * tree-phinodes.c (make_phi_node): Initialize use nodes.
8333         (release_phi_node): Delink any use nodes before releasing.
8334         (resize_phi_node): Relink any use nodes.
8335         (remove_phi_arg_num): Delink the use node.
8336         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
8337         (remove_all_phi_nodes_for): Release phi node first.
8338         * tree-pretty-print.c (dump_generic_node): Print stmt address.
8339         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
8340         (scalarize_use, scalarize_copy): Call update_stmt.
8341         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
8342         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
8343         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
8344         (ccp_initialize): Remove call to compute_immediate_uses.
8345         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
8346         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
8347         stmts.
8348         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
8349         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
8350         (eliminate_redundant_computations): Call mark_stmt_modified.
8351         (cprop_operand): Call mark_stmt_modified.
8352         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
8353         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
8354         (dse_optimize_stmt): Use new immuse interface.
8355         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
8356         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
8357         (substitute_single_use_vars): Use new immuse interface.
8358         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
8359         and compute_immediate_uses.
8360         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
8361         interface.
8362         (rewrite_mem_refs): Call update_stmt.
8363         (determine_lsm): Remove call to compute_imm_uses and free_df.
8364         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
8365         (try_unroll_loop_completely): Call update_stmt.
8366         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
8367         (rewrite_use_compare): Call update_stmt.
8368         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
8369         (rewrite_use) : Call update_stmt.
8370         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
8371         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
8372         update_stmt.
8373         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
8374         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
8375         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
8376         use nodes.
8377         (initialize_vuse_operand): New.  Initialize a vuse operand.
8378         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
8379         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
8380         (finalize_ssa_defs): Use stmt parameter.
8381         (correct_use_link): Ensure a use node is in the correct list, and has
8382         the correct stmt pointer.
8383         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
8384         finalize_ssa_v_must_defs): Also initialize use nodes.
8385         (finalize_ssa_stmt_operands): Pass extra stmt operands.
8386         (build_ssa_operands): Seperate parsing from final operand construction.
8387         (parse_ssa_operands): New.  Parse entry point for operand building.
8388         (swap_tree_operands): New.  Swap 2 tree operands.
8389         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
8390         operands.
8391         (get_expr_operands): Call swap_tree_operands when needed.
8392         (copy_virtual_operands): Use initialize routines for virtual use ops.
8393         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
8394         (verify_abort): New.  Issue imm_use error.
8395         (verify_imm_links): New Verify imm_use links for a var.
8396         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
8397         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
8398         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
8399         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
8400         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
8401         (NULL_USE_OPERAND_P) Define.
8402         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
8403         use node.
8404         (struct vuse_operand_type): New struct.
8405         (SET_USE): Call set_ssa_use_from_ptr.
8406         (USE_STMT): Define.
8407         (PHI_ARG_INDEX_FROM_USE): Define.
8408         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
8409         argument via SET_USE, not PHI_ARG_DEF_TREE.
8410         * tree-ssa-pre.c (eliminate): Call update_stmt.
8411         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
8412         call free_df.
8413         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
8414         (nearest_common_dominator_of_uses): Use imm_use iterator.
8415         (statement_sink_location): Use imm_use iterator and interface.
8416         (execute_sink_code): Don't call compute_immediate_uses or free-df.
8417         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
8418         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
8419         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
8420         (verify_ssa): Ensure no stmt is marked modify after optimization pass
8421         if new parameter is true.
8422         (init_tree_ssa): Don't initialize operand cache here.
8423         (delete_tree_ssa): Don't destroy operand cache here.
8424         (propagate_into_addr): Pass in a use pointer, return true if anything
8425         was changed.
8426         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
8427         (check_phi_redundancy): Use imm_use iterator.
8428         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
8429         free_df.
8430         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
8431         (release_ssa_name): Delink node and all elements in its imm_use list.
8432         * tree-tailcall.c (adjust_return_value): Call update_stmt.
8433         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
8434         * tree-vectorizer.c (need_imm_uses_for): Delete.
8435         (vectorize_loops): Dont call compute_immediate_uses or free_df.
8436         * tree.h (struct ssa_imm_use_d): Define.
8437         (SSA_NAME_IMM_USE_NODE): Define.
8438         (struct tree_ssa_name): Add imm_use node.
8439         (PHI_DF): Delete.
8440         (PHI_ARG_IMM_USE_NODE): Define.
8441         (struct phi_arg_d): Add imm_use node.
8442         (struct tree_phi_node): Remove struct dataflow_d element.
8443         (TDF_STMTADDR): Define.
8444
8445 2005-04-05  Dale Johannesen  <dalej@apple.com>
8446
8447         * doc/invoke.texi (Optimization Options):  Remove
8448         duplicate -fcse-follow-jumps.  Add -fweb.
8449         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
8450         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
8451
8452 2005-04-05  Per Bothner  <per@bothner.com>
8453
8454         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
8455         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
8456         (warn_uninit): Get EXPR_LOCUS from context now instead.
8457         This fixes a USE_MAPPED_LOCATION testsuite failure.
8458
8459         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
8460
8461 2005-04-05  Per Bothner  <per@bothner.com>
8462
8463         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
8464         of the artification 'return 0' in main() to BUILTINS_LOCATION.
8465         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
8466         before warning.
8467
8468 2004-04-05  Devang Patel  <dpatel@apple.com>
8469
8470         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
8471         (lhsr<mode>3): ... new name.
8472         (altivec_vsra<VI_char>): Rename to ..
8473         (ashr<mode>3): ... new name.
8474         * config/rs6000/rs6000.c (builtin_description): Rename shift
8475         operations.
8476
8477 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
8478
8479         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
8480         gen_lowpart_for_combine.
8481         * cse.c (gen_lowpart_if_possible): Move...
8482         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
8483         gen_lowpart_SUBREG.
8484         (gen_lowpart_no_emit_general): Use it.
8485
8486 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
8487
8488         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
8489         overriding.
8490
8491 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
8492
8493         * system.h: Fix typo.
8494
8495 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
8496
8497         * config/bfin/bfin-modes.def: New file.
8498         * config/bfin/bfin-protos.h: New file.
8499         * config/bfin/bfin.c: New file.
8500         * config/bfin/bfin.h: New file.
8501         * config/bfin/bfin.md: New file.
8502         * config/bfin/bfin.opt: New file.
8503         * config/bfin/crti.s: New file.
8504         * config/bfin/crtn.s: New file.
8505         * config/bfin/elf.h: New file.
8506         * config/bfin/lib1funcs.asm: New file.
8507         * config/bfin/predicates.md: New file.
8508         * config/bfin/t-bfin: New file.
8509         * config/bfin/t-bfin-elf: New file.
8510         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
8511         Document new attributes.
8512         (interrupt, interrupt_handler, saveall): Update documentation for
8513         these attributes.
8514         * doc/install.texi (Specific): Add entry for the Blackfin.
8515         * doc/invoke.texi (Blackfin Options): New section.
8516         * doc/md.texi (Blackfin family): New section to document constraints.
8517         * config.gcc: Add bfin*-* and bfin*-elf configurations.
8518
8519 2005-04-05  Olivier Hainque  <hainque@adacore.com>
8520
8521         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
8522         match what the system unwinder expects.
8523         * config/mips/mips.c (mips_frame_set): If we're saving the return
8524         address register and the dwarf return address column number differs
8525         from the hard register number, adjust the note reg to refer to the
8526         former.
8527
8528 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
8529
8530         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
8531         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
8532         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
8533         (processor_type): New enum.
8534         (mn10300_processor): New variable.
8535         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
8536         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
8537         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
8538         (PROCESSOR_DEFAULT): New macro.
8539         * config/mn10300/mn10300.c (mn10300_processor): New variable.
8540         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8541         (mn10300_handle_option, mn10300_override_options): New functions.
8542         * config/mn10300/mn10300.opt: New file.
8543
8544 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
8545             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
8546
8547         PR tree-optimization/19903
8548         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
8549         that don't fit in their type after conversion.
8550
8551 2005-04-05  Uros Bizjak <uros@kss-loka.si>
8552
8553         PR target/20421
8554         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
8555         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
8556         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
8557         flag here. Implement using define_insn_and_split.
8558         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
8559         (frndintxf2_mask_pm_i387): New insn patterns.
8560         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
8561         Do not set ix86_optimize_mode_switching flag.
8562         (ceilsf2, ceildf2, ceilxf2): Same.
8563         (btruncsf2, btruncdf2, btruncxf2): Same.
8564         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
8565
8566 2005-04-05  Ian Lance Taylor  <ian@airs.com>
8567
8568         PR debug/9963
8569         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
8570         i386_pe_record_external_function.
8571         (i386_pe_record_external_function): Update declaration.
8572         * config/i386/winnt.c (struct extern_list): Add decl field.
8573         (i386_pe_record_external_function): Add decl parameter.
8574         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
8575         identifier.
8576         * config/i386/i386-protos.h (i386_pe_record_external_function):
8577         Update declaration.
8578
8579 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
8580
8581         * config/m68k/m68k-protos.h: Add a prototype for
8582         valid_dbcc_comparison_p_2.
8583         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
8584         extend_operator, const_uint32_operand, const_sint32_operand,
8585         general_src_operand, nonimmediate_src_operand,
8586         memory_src_operand, post_inc_operand, pre_dec_operand,
8587         pcrel_address): Move to predicates to predicates.md.
8588         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
8589         * config/m68k/m68k.md: Include predicates.md.
8590         * config/m68k/predicates.md: New.
8591
8592 2005-04-04  Roger Sayle  <roger@eyesopen.com>
8593
8594         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
8595
8596         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
8597
8598 2005-04-04  Ian Lance Taylor  <ian@airs.com>
8599
8600         * c-typeck.c (struct c_switch): Rename switch_stmt field to
8601         switch_expr.
8602         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
8603         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
8604         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
8605         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
8606         * c-common.c (c_do_switch_warnings_1): New static function broken
8607         out of c_do_switch_warnings.
8608         (c_do_switch_warnings): Call c_do_switch_warnings_1.
8609         (c_do_switch_expr_warnings): New function.
8610         * c-common.h (c_do_switch_expr_warnings): Declare.
8611
8612 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
8613             Daniel Jacobowitz  <dan@codesourcery.com>
8614
8615         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
8616         trapping divide.
8617         * rtlanal.c (may_trap_p): Same.
8618
8619 2005-04-04  Dale Johannesen  <dalej@apple.com>
8620
8621         * ChangeLog:  remove reference to ChangeLog.12.
8622
8623 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
8624
8625         CRIS epilogue as RTL.
8626         * config/cris/cris.md: Change all 0 in unspec 0 to
8627         CRIS_UNSPEC_PLT.
8628         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
8629         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
8630         patterns.
8631         ("return"): Change to define_expand.  Call cris_expand_return for
8632         actual expansion.
8633         ("*return_expanded"): New pattern.
8634         ("epilogue"): New define_expand.
8635         * config/cris/cris.h (PREDICATE_CODES): Add
8636         cris_load_multiple_op.
8637         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
8638         type.
8639         (enum cris_retinsn_type): New.
8640         (struct machine_function): New member return_type.
8641         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
8642         (cris_target_asm_function_epilogue): Remove, moving RTLified
8643         contents to...
8644         (cris_expand_epilogue): New function.
8645         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
8646         (cris_gen_movem_load, cris_load_multiple_op)
8647         (cris_return_address_on_stack_for_return, cris_expand_return): New
8648         functions.
8649         (cris_target_asm_function_prologue)
8650         (cris_initial_frame_pointer_offset): Call
8651         cris_reg_saved_in_regsave_area instead of complicated expression.
8652         Call cris_return_address_on_stack instead of an expression.
8653         (cris_print_operand) <case 'o', case 'O'>: New cases.
8654         (cris_return_address_on_stack): Change return-type to bool.
8655         (cris_simple_epilogue): Ditto.  Return false if registers are
8656         saved.
8657         * config/cris/cris-protos.h (cris_simple_epilogue)
8658         (cris_return_address_on_stack): Adjust prototype return type.
8659         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
8660         (cris_return_address_on_stack_for_return): New prototypes.
8661
8662 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
8663
8664         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
8665         gpr_or_int12_operand.
8666
8667         * config/frv/frv-protos.h: Add a prototype to
8668         frv_legitimate_memory_operand and frv_const_unspec_p.
8669         (frv_unspec): Move from frv.c.
8670         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
8671         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
8672         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
8673         gpr_or_fpr_operand, gpr_or_int12_operand,
8674         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
8675         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
8676         int6_operand, int5_operand, uint5_operand, uint4_operand,
8677         uint1_operand, int_2word_operand, uint16_operand,
8678         upper_int16_operand, integer_register_operand,
8679         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
8680         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
8681         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
8682         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
8683         move_destination_operand, movcc_fp_destination_operand,
8684         frv_function_symbol_referenced_p, move_source_operand,
8685         condexec_dest_operand, condexec_source_operand,
8686         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
8687         const_unspec_operand, gpr_or_memory_operand,
8688         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
8689         icc_operand, fcc_operand, cc_operand, icr_operand,
8690         fcr_operand, cr_operand, call_operand, sibcall_operand,
8691         symbolic_operand, relational_operator,
8692         integer_relational_operator, float_relational_operator,
8693         ccr_eqne_operator, minmax_operator,
8694         condexec_si_binary_operator, condexec_si_media_operator,
8695         condexec_si_divide_operator, condexec_si_unary_operator,
8696         condexec_sf_conv_operator, condexec_sf_add_operator,
8697         condexec_memory_operand, intop_compare_operator, acc_operand,
8698         even_acc_operand, quad_acc_operand, accg_operand: Move to
8699         predicates.md.
8700         * config/frv/frv.h (PREDICATE_CODES): Remove.
8701         * config/frv/frv.md: Include predicates.md.
8702         * config/frv/predicates.md: New.
8703
8704 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
8705
8706         PR target/19537
8707         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
8708         * tree-ssa-loop-ivopts.c: Include langhooks.h.
8709         (add_standard_iv_candidates_for_size): New function, extracting code
8710         from add_standard_iv_candidates and parameterizing it by type size.
8711         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
8712
8713 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
8714
8715         * system.h (GCOV_SIZE_TYPE): Unposion.
8716         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
8717         (GCOV_TYPE_SIZE): ...this new macro.
8718         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
8719         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
8720         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
8721         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
8722         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
8723         instead of unsigned_intSI_type_node.
8724         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
8725         (rtl_gen_one_value_profiler_no_edge_manipulation)
8726         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
8727         * value-prof.c: Include coverage.h.
8728
8729 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
8730             Diego Novillo <dnovillo@redhat.com>
8731
8732         Fix PR tree-optimization/20703
8733         Fix PR tree-optimization/20725
8734
8735         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
8736         (create_expression_by_pieces): Ditto.
8737         (valid_in_set): Ditto. Also handle tcc_declaration.
8738         (find_or_generate_expression): Handle comparison class.
8739         (insert_into_preds_of_block): Ditto.
8740         (insert_aux): Ditto.
8741         (create_value_expr_from): Handle comparison class, recursively
8742         handle reference nodes.
8743         (compute_avail): Handle comparison classes, rewrite a little cleaner.
8744         (execute_pre): Fix spacing.
8745         (do_fre): Renamed to execute_fre.
8746
8747 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8748
8749         * doc/invoke.texi (SPARC options): Document that
8750         -mlittle-endian is not supported on Linux either.
8751
8752 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8753
8754         PR target/4198
8755         PR target/12027
8756         * config.gcc (Obsolete configurations): Remove
8757         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
8758         (sparclite-*-coff*): Delete.
8759         (sparclite-*-elf*): Likewise.
8760         (sparc86x-*-elf*): Likewise.
8761         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
8762         * config/sparc/lite.h: Delete.
8763         * config/sparc/litecoff.h: Likewise.
8764         * config/sparc/liteelf.h: Likewise.
8765         * config/sparc/sp86x-elf.h: Likewise.
8766         * config/sparc/t-sparclite: Likewise.
8767         * config/sparc/t-sp86x: Likewise.
8768
8769 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
8770
8771         * config/s390/s390-protos.h: (s390_comparison,
8772         s390_alc_comparison, s390_slb_comparison, const0_operand,
8773         consttable_operand, larl_operand, s_operand,
8774         shift_count_operand, bras_sym_operand, load_multiple_operation,
8775         store_multiple_operation, s390_plus_operand): Remove prototypes.
8776         (s390_legitimate_address_without_index_p): New prototype.
8777         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
8778         to s390.h.
8779         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
8780         const0_operand, consttable_operand, larl_operand, s_operand,
8781         shift_count_operand, bras_sym_operand, load_multiple_operation,
8782         store_multiple_operation, s390_plus_operand): Move to
8783         predicates.md.
8784         (check_mode): Remove.
8785         (s390_branch_condition_mask): Remove 'static'. Move prototype to
8786         s390-protos.h.
8787         (s390_legitimate_address_without_index_p): New.
8788         * config/s390/s390.h (PREDICATE_CODES): Remove.
8789         * config/s390/s390.md: Include predicates.md.
8790         * config/s390/predicates.md: New.
8791
8792 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
8793
8794         PR target/20446
8795         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
8796         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
8797         (NEED_INDICATE_EXEC_STACK): Define to 1.
8798         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
8799         (NEED_INDICATE_EXEC_STACK): Define to 1.
8800         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
8801         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
8802         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
8803         (pic_helper_emitted_p): New global.
8804         (emit_pic_helper): New function extracted from...
8805         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
8806         Do not call emit_pic_helper if delay_pic_helper is true.
8807         (sparc_expand_prologue): Pass 'false' to load_pic_register.
8808         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
8809         (sparc_file_end): New function.
8810
8811 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
8812
8813         * config/mcore/mcore-protos.h: Remove the prototypes for
8814         mcore_arith_reg_operand, mcore_general_movsrc_operand,
8815         mcore_general_movdst_operand, mcore_reload_operand,
8816         mcore_arith_J_operand, mcore_arith_K_operand,
8817         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
8818         mcore_arith_K_S_operand, mcore_arith_imm_operand,
8819         mcore_arith_any_imm_operand, mcore_arith_O_operand,
8820         mcore_literal_K_operand, mcore_addsub_operand,
8821         mcore_compare_operand, mcore_load_multiple_operation,
8822         mcore_store_multiple_operation, mcore_call_address_operand.
8823         Add a prototype for const_ok_for_mcore.
8824         * config/mcore/mcore.c (mcore_call_address_operand,
8825         mcore_general_movsrc_operand, mcore_general_movdst_operand,
8826         mcore_arith_reg_operand, mcore_reload_operand,
8827         mcore_arith_J_operand, mcore_arith_K_operand,
8828         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
8829         mcore_arith_M_operand, mcore_arith_imm_operand,
8830         mcore_arith_any_imm_operand, mcore_arith_O_operand,
8831         mcore_literal_K_operand, mcore_addsub_operand,
8832         mcore_compare_operand, mcore_load_multiple_operation,
8833         mcore_store_multiple_operation): Move to predicates.md.
8834         (const_ok_for_mcore): Export.
8835         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
8836         * config/mcore/mcore.md: Include predicates.md.
8837         * config/mcore/predicates.md: New.
8838
8839         * config/mcore/predicates.md: Fix a comment typo.
8840
8841 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
8842             Adrian Straetling  <straetling@de.ibm.com>
8843
8844         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
8845         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
8846         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
8847         attribute.
8848         ("imul"): Removed from "type" attribute.
8849         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
8850         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
8851         Changed type to imulsi.
8852         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
8853
8854 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
8855
8856         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
8857         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
8858         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
8859         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
8860         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
8861         (TARGET_SWITCHES, mcore_stack_increment_string)
8862         (TARGET_OPTIONS): Delete.
8863         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
8864         than *_BIT constants.
8865         (TARGET_8ALIGN): #undef old definition before redefining to 1.
8866         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
8867         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
8868         (mcore_override_options): Delete mcore_stack_increment code.
8869         Change use of M340_BIT to MASK_M340.
8870         * config/mcore/mcore.opt: New file.
8871
8872 2005-04-04  Ian Lance Taylor  <ian@airs.com>
8873
8874         * config/arm/arm.c (replace_symbols_in_block): Remove static
8875         function.
8876
8877 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
8878
8879         * config/fr30/fr30-protos.h: Remove the prototypes for
8880         stack_add_operand, add_immediate_operand,
8881         high_register_operand, low_register_operand, call_operand,
8882         di_operand, and nonimmediate_di_operand.
8883         * config/fr30/fr30.c (stack_add_operand,
8884         add_immediate_operand, high_register_operand,
8885         low_register_operand, call_operand, di_operand,
8886         nonimmediate_di_operand): Move to predicates.md.
8887         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
8888         * config/fr30/fr30.md: Include predicates.md.
8889         * config/fr30/predicates.md: New.
8890
8891         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
8892         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
8893         mcore_call_address_operand.
8894
8895         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
8896         general_movsrc_operand.
8897
8898 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
8899
8900         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
8901         after freeing.
8902
8903 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
8904
8905         PR target/14812
8906         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
8907         a negated value.
8908
8909 2005-04-04  Richard Henderson  <rth@redhat.com>
8910             Jakub Jelinek  <jakub@redhat.com>
8911
8912         PR rtl-optimization/16104
8913         * fold-const.c (fold_unary): Fix folding of vector conversions.
8914
8915 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
8916
8917         * config.gcc (xstormy16-*-elf): Set extra_options.
8918         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
8919         * config/stormy16/stormy16.opt: New file.
8920
8921 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
8922
8923         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
8924         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
8925         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
8926         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
8927         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
8928         (TARGET_UNIX_ASM): Delete.
8929         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
8930         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
8931         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
8932         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8933         * config/pdp11/pdp11.opt: New file.
8934
8935 2005-04-03  Roger Sayle  <roger@eyesopen.com>
8936             Alexandre Oliva  <aoliva@redhat.com>
8937
8938         PR c++/19199
8939         * fold-const.c (non_lvalue): Split tests into...
8940         (maybe_lvalue_p): New function.
8941         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
8942         C++ front-end prior to lowering into gimple form.
8943
8944 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8945
8946         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
8947         BUILT_IN_STRNCASECMP): New.
8948         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
8949         and strndup.
8950
8951 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
8952
8953         PR target/14812
8954         * arm.md (addsi3_compare0_for_combiner): Delete.
8955         (addsi3_compare0_scratch_for_combiner): Delete.
8956         (cmpsi_neg_shiftsi): Delete.
8957         (compare_negsi_si): New pattern.
8958         (cmpsi_negshiftsi_si): New pattern.
8959         (negated_cbranchsi4): Restrict to equality_operator.
8960
8961         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
8962         template.
8963
8964 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
8965
8966         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
8967         Fix comment typos.
8968
8969         * doc/install.texi: Fix a typo.
8970
8971 2005-04-03  Steven Bosscher  <stevenb@suse.de>
8972
8973         PR middle-end/20648
8974         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
8975         a computed goto if the edge to the computed goto block has
8976         incoming abnormal edges.  Clarify how the function works.
8977
8978 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
8979
8980         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
8981         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
8982         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
8983         hash_scan_set, reg_set_between_after_reload_p,
8984         reg_used_between_after_reload_p, get_avail_load_store_reg,
8985         eliminate_partially_redundant_load): Likewise.
8986         * postreload.c (reload_cse_simplify_set,
8987         reload_combine_note_use): Likewise.
8988         * predict.c (predict_insn, expected_value_to_br_prob,
8989         propagate_freq, expensive_function_p): Likewise.
8990         * print-rtl.c (print_rtx): Likewise.
8991         * profile.c (instrument_edges, instrument_values,
8992         compute_branch_probabilities, branch_prob, union_groups,
8993         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
8994         * protoize.c (in_system_include_dir, file_could_be_converted,
8995         file_normally_convertible, gen_aux_info_file, seek_to_line,
8996         do_cleaning): Likewise.
8997         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
8998         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
8999         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
9000
9001 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
9002
9003         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
9004         * modulo-sched.c (undo_replace_buff_elem): New structure.
9005         (kernel_number_of_cycles, ps_unschedule_node,
9006         undo_generate_reg_moves,free_undo_replace_buff,
9007         undo_permute_partial_schedule,  loop_single_full_bb_p,
9008         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
9009         build_loops_structure, get_sched_window): New.
9010         (generate_reg_moves): Return undo_replace_buff_elem and other
9011         fixes.
9012         (generate_prolog_epilog): Remove old loop versioning.
9013         (sms_schedule): Use loop information and loop_version.
9014         (sms_schedule_by_order): Split part of it to get_sched_window.
9015         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
9016         cfg_layout_finalize and free_dominance_info before/after SMS.
9017
9018 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
9019
9020         * cfghooks.c (lv_flush_pending_stmts,
9021         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
9022         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
9023         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
9024         lv_add_condition_to_bb,
9025         lv_adjust_loop_header_phi, extract_cond_bb_edges,
9026         flush_pending_stmts): New in cfg_hooks structure.
9027         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
9028         extract_cond_bb_edges, lv_adjust_loop_header_phi,
9029         lv_add_condition_to_bb): New declarations.
9030         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
9031         bool.
9032         (loop_version): Declare.
9033         * cfgloopmanip.c (cfghooks.h): Include.
9034         (duplicate_loop_to_header_edge): Change return type to bool.
9035         (loop_version, lv_adjust_loop_entry_edge): Move here.
9036         * cfgrtl.c (cfgloop.h): Include.
9037         (rtl_verify_flow_info_1): Fix.
9038         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
9039         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
9040         initialization.
9041         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
9042         tree_lv_add_condition_to_bb): New.
9043         (tree_cfg_hooks): Add new hooks to initialization.
9044         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
9045         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
9046
9047 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
9048
9049         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
9050         xstormy16_below100_or_register,
9051         xstormy16_splittable_below100_or_register, and
9052         nonimmediate_nonstack_operand.
9053
9054         * config/stormy16/stormy16-protos.h: Remove the prototypes for
9055         xstormy16_ineqsi_operator, equality_operator,
9056         inequality_operator, shift_operator,
9057         xstormy16_below100_operand, xstormy16_below100_or_register,
9058         xstormy16_splittable_below100_or_register,
9059         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
9060         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
9061         equality_operator, inequality_operator,
9062         xstormy16_below100_operand, xstormy16_below100_or_register,
9063         xstormy16_splittable_below100_or_register,
9064         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
9065         nonimmediate_nonstack_operand, shift_operator): Move to
9066         predicates.md.
9067         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
9068         * config/stormy16/stormy16.md: Include predicates.md.
9069         * config/stormy16/predicates.md: New.
9070
9071 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
9072
9073         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
9074         small_int, large_int, reg_or_0_operand, simple_memory_operand,
9075         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
9076         move_operand, power_of_2_operand): Move to predicates.md.
9077         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
9078         PREDICATE_CODE): Remove.
9079         * config/iq2000/iq2000.md: Include predicates.md.
9080         * config/iq2000/predicates.md: New.
9081
9082 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
9083
9084         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
9085         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
9086         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
9087         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
9088         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
9089         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
9090         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
9091         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
9092         (TARGET_M68HC11): Delete.
9093         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
9094         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
9095         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
9096         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
9097         (nb_soft_regs): Delete.
9098         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
9099         (m68hc11_override_options): Remove the code that caters for MASK_M6811
9100         and MASK_M6812 being set simultaneously.  Change the code that sets
9101         the default m68hc11_soft_reg_count to use integers instead of strings.
9102         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
9103         m68hc11_soft_reg_count (which now has an int type) as the number
9104         of soft registers.
9105         * config/m68hc11/m68hc11.opt: New file.
9106
9107 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
9108
9109         * config/fr30/fr30.h (PREDICATE_CODES): Remove
9110         fp_displacement_operand, sp_displacement_operand.
9111
9112         * config/m68hc11/m68hc11-protos.h: Add a prototype for
9113         m68hcc_auto_inc_p.
9114         Remove the prototypes for tst_operand, cmp_operand,
9115         stack_register_operand, d_register_operand,
9116         hard_addr_reg_operand, splitable_operand,
9117         m68hc11_logical_operator, m68hc11_arith_operator,
9118         m68hc11_non_shift_operator, m68hc11_shift_operator,
9119         m68hc11_unary_operator, m68hc11_eq_compare_operator,
9120         non_push_operand, hard_reg_operand, and
9121         reg_or_some_mem_operand.
9122         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
9123         extern.
9124         (tst_operand, cmp_operand, non_push_operand,
9125         splitable_operand, reg_or_some_mem_operand,
9126         stack_register_operand, d_register_operand,
9127         hard_addr_reg_operand, hard_reg_operand,
9128         m68hc11_eq_compare_operator, m68hc11_logical_operator,
9129         m68hc11_arith_operator, m68hc11_non_shift_operator,
9130         m68hc11_shift_operator, m68hc11_unary_operator): Move to
9131         predicates.md.
9132         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
9133         * config/m68hc11/m68hc11.md: Include predicates.md.
9134         * config/m68hc11/predicates.md: New.
9135
9136 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
9137
9138         PR debug/19345
9139         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
9140         change checked in along with 2005-03-03's patch for debug/20253.
9141         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
9142         (remap_decl): Insert type decl in map earlier.
9143
9144 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
9145
9146         PR tree-optimization/20640
9147         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
9148         post-dominator if it has phi nodes.
9149         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
9150         before dead statements.
9151
9152 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
9153
9154         PR middle-end/20491
9155         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
9156
9157 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
9158
9159         PR rtl-optimization/20290
9160         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
9161         in every iteration if the entry point is the exit test.
9162
9163 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
9164
9165         * config/cris/cris.md (attribute "length"): Define.
9166
9167 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
9168
9169         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
9170         (word_offset_memref_operand): New.
9171         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
9172         (indexed_or_indirect_operand): Delete.
9173         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
9174         (indexed_or_indirect_operand): Delete.
9175
9176         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
9177
9178         PR 20650
9179         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
9180         a register.
9181
9182         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
9183         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
9184
9185 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9186
9187         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
9188
9189 2005-04-01  Ian Lance Taylor  <ian@airs.com>
9190
9191         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
9192         (rus, prus): Remove static variables.
9193         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
9194         (process_command): Permit report_times and use_pipes together.
9195
9196 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
9197
9198         * c-decl.c (validate_proto_after_old_defn): Look at
9199         TYPE_MAIN_VARIANT of argument types.
9200
9201 2005-04-01  Paul Brook  <paul@codesourcery.com>
9202
9203         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
9204         (arm_output_function_epilogue): Allow call_via_SP.
9205         (thumb_call_via_reg, arm_file_end): Ditto.
9206         * config/arm/arm.h (struct machine_function): Include space for SP.
9207         (thumb_call_via_label): Update declaration.
9208
9209 2005-04-01  Ian Lance Taylor  <ian@airs.com>
9210
9211         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
9212         doing a peephole optimization, once again put any notes in the
9213         proper position.
9214
9215 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
9216
9217         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
9218
9219 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
9220
9221         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
9222         (block_alloc, find_free_reg): Likewise.
9223         * loop-doloop.c (doloop_modify): Likewise.
9224         * loop-invariant.c (record_use): Likewise.
9225         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
9226         get_iv_value, canon_condition, eliminate_implied_condition,
9227         eliminate_implied_condition, simplify_using_initial_values,
9228         shorten_into_mode, canonicalize_iv_subregs,
9229         iv_number_of_iterations): Likewise.
9230         * loop-unroll.c (expand_var_during_unrolling): Likewise.
9231         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
9232         unswitch_loop): Likewise.
9233         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
9234         move_movables, replace_call_address, find_and_verify_loops,
9235         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
9236         record_giv, final_giv_value, general_induction_var,
9237         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
9238         loop_giv_dump): Likewise.
9239
9240         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
9241         GCOV_CHECK_WRITING): Remove.
9242         (gcov_position, gcov_rewrite): Use gcc_assert.
9243         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
9244         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
9245         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
9246         gcc_assert.
9247
9248 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
9249
9250         * tree-inline.c: Fix a typo.
9251
9252 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
9253
9254         * configure.ac (enable-checking): Explicitly set all variables for
9255         collective switch values.  Alphabetize variables. Rename
9256         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
9257         synonym for 'no'.
9258         * doc/install.texi (enable-checking): Update documentation.
9259         * configure: Rebuilt.
9260
9261 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
9262
9263         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
9264         possible.
9265
9266 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
9267
9268         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
9269         Also reject cases where this pattern will cause load delay stalls
9270         unless optimizing for size and it will produce a shorter sequence.
9271         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
9272         variants to avoid pre-adjusting the base when possible.
9273
9274 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
9275
9276         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
9277         the frame and argument pointers.
9278         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
9279         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
9280         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
9281         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
9282         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
9283         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
9284
9285 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
9286
9287         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
9288         with entry for selectany attribute.
9289         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
9290         Declare.
9291         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
9292         (i386_pe_asm_named_section): Handle sections generated by
9293         selectany attribute.
9294         * doc/extend.texi (selectany): Document attribute.
9295
9296 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
9297             Jan Hubicka  <jh@suse.cz>
9298
9299         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
9300         to fix addresses involving EBP and ESP.
9301         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
9302         for SUBREGed registers.
9303         (legitimate_address_p): Accept SUBREGed registers.
9304
9305 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
9306
9307         PR c++/19406
9308         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
9309         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
9310         for FIELD_DECLs.
9311
9312 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
9313
9314         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
9315
9316 2005-04-01  James E Wilson  <wilson@specifixinc.com>
9317
9318         PR c++/20505
9319         * dwarf2out.c (rtl_for_decl_init): New function.
9320         (rtl_for_decl_location): Extracted from here.
9321         (tree_add_const_value_attribute): Call rtl_for_decl_init and
9322         add_const_value_attribute.  Delete initializer_constant_valid_p call.
9323
9324 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
9325
9326         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
9327         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
9328         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
9329         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
9330         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
9331         config/i386/i386.md, config/rs6000/predicates.md,
9332         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
9333         config/s390/s390.c, config/stormy16/stormy16.c,
9334         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
9335         typos.
9336
9337 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
9338
9339         PR c/17855
9340         * gimplify.c (gimplify_expr): Create a temporary for lvalue
9341         COND_EXPR and CALL_EXPR.
9342
9343 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
9344
9345         PR target/20632
9346         * genautomata.c (first_cycle_unit_presence): Check all alternative
9347         states for unit presence.
9348
9349         * doc/md.texi: Remove remark about impossibility to query unit
9350         presence in non nondeterministic automaton state.
9351
9352         * config/ia64/ia64.c (get_template): Change order of unit querying.
9353
9354 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
9355
9356         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
9357         obsolete comment.
9358
9359 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
9360
9361         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
9362         flag for edges outside any loops.
9363
9364 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
9365
9366         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
9367
9368 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
9369
9370         * tree-ssa-alias.c: Follow spelling conventions.
9371         * doc/tree-ssa.texi: Fix a typo.
9372
9373 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
9374
9375         * postreload-gcse.c: Include target.h.
9376         (gcse_after_reload_main): Return early if we cannot modify jumps.
9377         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
9378
9379 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
9380
9381         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
9382         expensive operations.
9383
9384 2005-03-31  Ian Lance Taylor  <ian@airs.com>
9385
9386         * collect2.c (lderrout): New variable.
9387         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
9388         if it is set, to stderr.
9389         (handler): Unlink lderrout if it is set.
9390         (dump_file): Add "to" parameter.  Change all callers.
9391         (main): Initialize lderrout.
9392         (collect_execute): Add errname parameter.  Change all callers.
9393         Rename redir parameter to outname.  Never pass
9394         PEX_STDERR_TO_STDOUT to pex_run.
9395         * collect2.h (collect_execute, dump_file): Update declarations.
9396         * tlink.c (tlink_execute): Add errname parameter.  Change all
9397         callers.
9398         (do_tlink): Check lderrout as well as ldout.
9399
9400 2005-03-31  Caroline Tice  <ctice@apple.com>
9401
9402         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
9403         (bb-reorder.o): Add errors.h to list of requirements.
9404         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
9405         profiledbootstrap flags.
9406         * bb-reorder.c (errors.h): Add new include.
9407         (struct bbro_basic_block_data_def): Add new field, in_trace.
9408         (add_unlikely_executed_notes):  Remove function.
9409         (mark_bb_for_unlikely_executed_section): Remove function.
9410         (insert_section_boundary_note): New function.
9411         (verify_hot_cold_block_grouping): New function.
9412         (push_to_next_round_p): Remove variables and tests that push all
9413         cold blocks to last round.
9414         (find_traces): Remove code that added extra round of trace finding
9415         when doing partitioning.
9416         (find_traces_1_round) :  Remove variable last_round;  add code to
9417         update new struct field, in_trace; correct trace_length where it was
9418         incorrect before (after call to copy_bb); change code that pushed all
9419         cold blocks to last round. Instead verify that all blocks going into
9420         a trace belong in the same partition.
9421         (connect_traces): Modify to connect the traces in two passes, if the
9422         function contains both hot and cold blocks.  The first pass connects
9423         all the traces for blocks in the partition that the first block in
9424         the function belongs to; the second pass connnects all the traces
9425         containing blocks that belong in the other partition.
9426         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
9427         code that automatically put the first block in a function into the
9428         hot partition if the function had any hot blocks.
9429         (fix_crossing_unconditional_branches): Check number of succ edges
9430         before attempting to get one.
9431         (fix_edges_for_rarely_executed_code):  Update comment describing
9432         function.
9433         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
9434         remove call to add_unlikely_executed_notes; add call to
9435         verify_hot_cold_block_grouping.
9436         (duplicate_computed_gotos): Don't change computed goto if it's a
9437         crossing edge.
9438         (partition_hot_cold_basic_blocks):  Update function comment.
9439         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
9440         condition.
9441         (try_forward_edges): Likewise.
9442         (merge_blocks_move_predecessor_nojumps): Likewise.
9443         (merge_blocks_move_successor_nojumps): Likewise.
9444         (merge_blocks_move): Likewise.
9445         (try_crossjump_bb): Likewise.
9446         * cfglayout.c (update_unlikely_executed_notes): Remove function.
9447         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
9448         notes to cold bb's; remove call to update_unlikely_executed_notes.
9449         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
9450         NOTE_INSN_SWITCH_TEXT_SECTIONS.
9451         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
9452         function declaration.
9453         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
9454         from consideration.
9455         (rtl_can_merge_blocks): Remove redundancy from condition.
9456         (try_redirect_by_replacing_jump): Likewise.
9457         (force_nonfallthru_and_redirect): Remove code for adding
9458         UNLIKELY_EXECUTED_CODE notes to cold bb's.
9459         (commit_one_edge_insertion): Likewise.
9460         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
9461         * dbxout.c (FORCE_TEXT): Replace function_section with
9462         current_function_section.
9463         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
9464         function, switch_text_section.
9465         (struct xcoff_debug): Likewise.
9466         (dbxout_function_end): Add code to put out label diffs for both
9467         hot and cold sections.
9468         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
9469         for new debug_hooks funciton, switch_text_section..
9470         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
9471         switch_text_section.
9472         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
9473         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
9474         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
9475         dw_fde_switched_sections.
9476         (output_call_frame_info):  Add test to see if function switches text
9477         sections in the middle; if so, use appropriate extra hot and cold
9478         section labels to compute size deltas for the hot and cold sections.
9479         (dwarf2out_begin_prologue): Add code to initialize new fields in
9480         dw_fde_struct.
9481         (dwarf2out_switch_text_section): New function (invoked through
9482         debug_hook); updates new fields in dw_fde_struct appropriately and
9483         increments separate_line_info_table_in_use.
9484         (dwarf2_debug_hooks): Initialize switch_text_section function to be
9485         dwarf2out_switch_text_section.
9486         (struct var_loc_node): Add new field, section_label.
9487         (output_aranges): Add code to check whether in hot or cold section and
9488         use the appropriate label in calculating deltas.
9489         (output_ranges): Likewise.
9490         (output_line_info): Add code to check which section we're in and
9491         use appropriate hot/cold label.
9492         (add_location_or_constant_value_attribute): Likewise.
9493         (gen_subprogam_die): Modify arange attributes to use correct labels.
9494         (dwarf2out_begin_block): Change call to function_section into call to
9495         current_function_section.
9496         (dwarf2out_end_block): Likewise.
9497         (dwarf2out_source_line): Likewise.
9498         (dwarf2out_var_location): Add code to check whether in hot or cold
9499         section and use the appropriate label.
9500         * except.c (output_function_exception_table): Change call to
9501         function_section into call to current_function_section.
9502         * final.c (profile_function): Likewise.
9503         (scan_ahead_for_unlikely_executed_note): Remove function.
9504         (final_scan_insn):  Remove calls to
9505         scan_ahead_for_unlikely_executed_note, and related code for switching
9506         to cold section, except for the single time
9507         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
9508         debug_hooks->switch_text_sections; replace appropriate calls to
9509         function_section with calls to current_function_section.
9510         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
9511         test_bb to condition.
9512         (find_if_case_2): Likewise.
9513         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
9514         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
9515         * opts.c (decode_options): Change warning about hot/cold partitioning
9516         with exceptionss to inform (so as not to cause bootstrap failures);
9517         remove warning about partitioning with DWARF debug info.
9518         * output.h (current_function_section): Add new function decl.
9519         (insert_section_boundary_note): Likewise.
9520         (enum in_section): Move this declaration here from varasm.c.
9521         (unlikely_section_label): Likewise.
9522         (unlikely_text_section_name): Likewise.
9523         (last_text_section_name): New global variable.
9524         (last_text_section): Likewise.
9525         (hot_section_label): Likewise.
9526         (hot_section_end_label): Likewise.
9527         (cold_section_end_label): Likewise.
9528         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
9529         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
9530         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
9531         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
9532         insn from consideration.
9533         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
9534         switch_text_section.
9535         * varasm.c (basic-block.h): Add new include.
9536         (unlikely_section_label_printed): Remove global variable.
9537         (unlikely_section_label): Make global variable not be static any more.
9538         (unlikely_text_section_name): Likewise.
9539         (hot_section_end_label): New global variable (not static)
9540         (first_function_block_is_cold): Likewise.
9541         (hot_section_label): Likewise.
9542         (cold_section_end_label): Likewise..
9543         (last_text_section): New global variable, not static.
9544         (last_text_section_name): New global variable, not static.
9545         (initialize_cold_section_name): New function.
9546         (enum in_section): Move declaration to output.h.
9547         (text_section): Update last_text_section.
9548         (unlikely_text_section): Replace code to determine cold section name
9549         with call to initialize_cold_section_name; Add code to update
9550         last_text_section; remove code for printing out label.
9551         (named_section_real): Add code to update last_text_section and
9552         last_text_section_name as appropriate.
9553         (function_section): Change test for 'unlikely' to depend on
9554         first_function_block_is_cold (moved old test to
9555         current_function_section).
9556         (current_function_section): New function.
9557         (assemble_start_function): Move code that frees
9558         unlikely_text_section_name; initialize hot_section_end_label;
9559         print hot and cold section labels at the start of the function;
9560         set first_function_block_is_cold, if appropriate; initialize l
9561         ast_text_section; add call to insert_section_boundary_note.
9562         (assemble_end_function):  Add code to write out hot and cold section
9563         end labels.
9564         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
9565         switch_text_section.
9566         * config/darwin.c (machopic_select_section): Replace incorrect
9567         function in base_funs; update reloc for cold sections if necessary.
9568         * config/darwin.h (SECTION_FUNCTION):  Add code to update
9569         last_text_section if appropriate.
9570         (text_unlikely_section): Remove.
9571         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
9572         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
9573         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
9574         partitioning for this architecture.
9575
9576 2005-03-31  Olivier Hainque  <hainque@adacore.com>
9577
9578         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
9579         defined and non-zero.
9580
9581 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
9582
9583         PR c++/18644
9584         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
9585         semantics.
9586
9587 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
9588
9589         PR target/20611
9590         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
9591         label operand.  Remove (use (unspec..)).  Don't emit a label on
9592         the offset word.
9593         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
9594         generate inline label for load_toc_v4_PIC_1b.
9595         (rs6000_emit_load_toc_table): Likewise.
9596
9597 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
9598
9599         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
9600         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
9601
9602 2005-03-29  Devang Patel  <dpatel@apple.com>
9603
9604         * tree-sra.c (decide_block_copy): Disable scalarization of
9605         sub-elements.
9606
9607 2005-03-30  Stuart Hastings  <stuart@apple.com>
9608             Dale Johannesen  <dalej@apple.com>
9609
9610         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
9611         * print-tree.c (print_node):  Add case STATEMENT_LIST.
9612
9613 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
9614
9615         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
9616         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
9617         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
9618         is given with "powerpc64*" or "all", or when --with-cpu chooses
9619         a 64-bit cpu.
9620
9621 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
9622
9623         PR debug/20268
9624         * dwarf2out.c (add_high_low_attributes): New function, extracted from
9625         gen_lexical_block_die.
9626         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
9627
9628 2005-03-31  Jan Hubicka  <jh@suse.cz>
9629
9630         2004-11-02  Jan Hubicka  <jh@suse.cz>
9631
9632         * cgraph.c (cgraph_varpool_node_name): New function.
9633         (dump_cgraph_varpool_node): New function.
9634         (dump_varpool): New function.
9635         * cgraphunit.c (cgraph_optimize): Dump varpool.
9636
9637         2004-10-16  Jan Hubicka  <jh@suse.cz>
9638
9639         * cgraph.c (decide_is_variable_needed): New function.
9640         (cgraph_varpool_finalize_decl): Use it.
9641         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
9642         unit-at-a-time.
9643         * final.c (output_addr_const): Do not call mark_referenced.
9644         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
9645         always go via cgraph.
9646         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
9647         (check_global_declarations): Ifdef out code clearing DECL_RTL.
9648         * tree-optimize.c (execute_inline): Mark functions called.
9649         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
9650
9651         2004-10-11  Jan Hubicka  <jh@suse.cz>
9652
9653         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
9654         (cgraph_varpool_last_needed_node): New static variable.
9655         (enqueue_needed_varpool_node): Break out from ...; add items to the
9656         end of queue; update first pointers.
9657         (cgraph_varpool_mark_needed_node): ... here.
9658         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
9659         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
9660         * cgraph.h (cgraph_varpool_node): Add analyzed field.
9661         (cgraph_varpool_first_unanalyzed_node): Declare.
9662         * cgraphunit.c: Include output.h.
9663         (cgraph_varpool_analyze_pending_decls): New function.
9664         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
9665         for errors, analyze pending decls.
9666         (cgraph_finalize_compilation_unit): Only analyze decls.
9667         (cgraph_optimize): Assemble the decls after expanding.
9668
9669 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
9670
9671         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
9672         subvars get marked properly in tags for grouping.
9673         (add_pointed_to_var): Mark only actual pointed to
9674         variables/subvars in addresses needed.
9675         (create_overlap_variables_for): Clear call clobbered on original
9676         variable.
9677         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
9678         addresable vars with subvars into list.
9679         * tree-ssa.c (verify_ssa_name): Verify original is not used where
9680         subvar should be.
9681
9682 2005-03-30  Richard Henderson  <rth@redhat.com>
9683
9684         * cgraph.h (struct cgraph_node): Add alias.
9685         * varasm.c (assemble_alias): Set it.
9686         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
9687         avoid calling cgraph_expand_function.
9688
9689 2005-03-30  Tom Tromey  <tromey@redhat.com>
9690
9691         * tree.def (FILE_TYPE): Removed.
9692         * typeclass.h (enum type_class): Removed file_type_class.
9693         * dwarf2out.c (is_base_type): Updated.
9694         (gen_type_die): Likewise.
9695         * dbxout.c (dbxout_type): Updated.
9696         * builtins.c (type_to_class): Updated.
9697         * tree.c (type_contains_placeholder_1): Updated.
9698         * config/sparc/sparc.c (sparc_type_code): Updated.
9699         * config/ia64/ia64.c (hfa_element_mode): Updated.
9700         * expr.c (count_type_elements): Updated.
9701         * stor-layout.c (layout_type): Updated.
9702         * tree-inline.c (remap_type): Updated.
9703         * tree-pretty-print.c (dump_generic_node): Updated.
9704
9705 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
9706
9707         * builtins.c (expand_builtin_powi): Fix mode of
9708         2nd argument to match int.
9709         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
9710         2nd argument type to int.
9711         * libgcc2.c: Change prototype of __powi* functions to use
9712         int.
9713
9714 2005-03-30  Dale Johannesen  <dalej@apple.com>
9715
9716         PR middle-end/19225
9717         * calls.c (expand_call):  Flush pending deferrals before
9718         throwing call.
9719
9720 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
9721
9722         PR c/772
9723         PR c/17913
9724         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
9725         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
9726         c_label_context, label_context_stack): New.
9727         * c-decl.c (define_label): Check for jumps into statement
9728         expressions.  Add label to list of defined labels.
9729         (start_function): Push context on label_context_stack.
9730         (finish_function): Pop context from label_context_stack.
9731         * c-typeck.c (label_context_stack): New.
9732         (c_finish_goto_label): Check for jumps into statement
9733         expressions.  Add label to list of jumped to labels.
9734         (struct c_switch): Add blocked_stmt_expr.
9735         (c_start_case): Initialize it.
9736         (do_case): Check it.
9737         (c_finish_case): Verify !blocked_stmt_expr.
9738         (c_begin_stmt_expr):  Push context on label_context_stack.
9739         Increment blocked_stmt_expr.  Mark labels jumped to from outside
9740         as undefinable.
9741         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
9742         defined in the statement expression and no longer jumpable to.
9743         Mark labels jumped to from just outside the statement expression
9744         as again definable.  Pop context from label_context_stack.
9745         * doc/extend.texi (Statement Exprs): Update.
9746
9747 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
9748
9749         PR c/20368
9750         * c-decl.c (start_function): Check for old_decl being
9751         error_mark_node.
9752
9753 2005-03-30  Ian Lance Taylor  <ian@airs.com>
9754
9755         * final.c (final): Remove prescan parameter.  Change all callers.
9756         (final_scan_insn): Remove prescan parameter.  Change all callers.
9757
9758 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
9759
9760         * tree-vectorizer.c: Fix comment typos.
9761
9762 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
9763
9764         * tree-scalar-evolution.c (instantiate_parameters_1): Return
9765         as soon as a chrec_dont_know is detected.
9766
9767 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
9768
9769         Merge from csl-arm-branch.
9770         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
9771
9772         * tlink.c (recompile_files): Do not assume that "rename" can
9773         overwrite an existing file.
9774
9775 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
9776
9777         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
9778         * gcc/configure: Regenerate.
9779
9780 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
9781
9782         * doc/install.texi: Update binutils requirement for powerpc*-linux.
9783
9784         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
9785
9786         * calls.c (struct arg_data): Update "partial" comment.
9787         (load_register_parameters): Update "nregs" comment.
9788
9789 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9790
9791         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
9792         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
9793         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
9794         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
9795         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
9796         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
9797         than target_flags & 0.
9798         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
9799         (iq2000_arch, iq2000_parse_cpu): Delete.
9800         (TARGET_HANDLE_OPTION): Override default.
9801         (iq2000_handle_option): New function.
9802         (override_options): Remove -march= and -mcpu= handling.
9803         * config/iq2000/iq2000.opt: New file.
9804
9805 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9806
9807         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
9808         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
9809         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
9810         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
9811         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
9812         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
9813         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
9814         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
9815         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
9816         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
9817         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
9818         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
9819         (c4x_rpts_cycles_string, c4x_cpu_version_string)
9820         (TARGET_OPTIONS): Delete.
9821         (c4x_rpts_cycles, c4x_cpu_version): Declare.
9822         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
9823         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
9824         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
9825         (c4x_cpu_version_string): Delete.
9826         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9827         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
9828         equivalent -mcpu= option.
9829         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
9830         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
9831         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
9832         or clearing the appropriate MASK_* bit.
9833         (c4x_file_start): Use c4x_cpu_version.
9834         * config/c4x/c4x.opt: New file.
9835
9836 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9837
9838         * doc/options.texi: Document the new MaskExists flag.
9839         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
9840         if the option has the MaskExists flag.
9841
9842 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
9843
9844         * opt-functions.awk (flag_set_p, test_flag): New functions.
9845         (switch_flags): Use them.
9846         * opth-gen.awk: Use flag_set_p to check for flags.
9847         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
9848
9849 2005-03-30  Ian Lance Taylor  <ian@airs.com>
9850
9851         * config.host (i[34567]86-*-mingw32*): Don't set
9852         host_can_use_collect2 to no.
9853
9854 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
9855
9856         PR target/20203
9857         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
9858         Remove convert_memory_address call duplicating that in memory_address.
9859
9860 2005-03-29  Richard Henderson  <rth@redhat.com>
9861
9862         PR c/20519
9863         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
9864         (build_compound_literal): Likewise.  Propagate decl type into the
9865         initializer.
9866         (finish_decl): Likewise.  Use new return value from complete_array_type
9867         for zero sized arrays.
9868         (complete_array_type): Move ...
9869         * c-common.c (complete_array_type): ... here.  Change first argument
9870         to pointer-to-type-node.  Consistently use sizetype for the index
9871         except for zero sized arrays.  Detect zero sized arrays for pedantic
9872         mode diagnostics.  Create a new type node instead of modifying the
9873         old node in place.
9874         * c-tree.h (complete_array_type): Move decl ...
9875         * c-common.h (complete_array_type): ... here.
9876
9877 2005-03-29  Richard Henderson  <rth@redhat.com>
9878
9879         PR tree-opt/19108
9880         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
9881
9882 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
9883
9884         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
9885         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
9886         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
9887         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
9888
9889 2005-03-29  Eric Christopher  <echristo@redhat.com>
9890
9891         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
9892         truthvalue conversion removal.
9893
9894 2005-03-29  Ian Lance Taylor  <ian@airs.com>
9895
9896         PR bootstrap/14316
9897         * collect2.c: Never include <vfork.h>.
9898         (VFORK_STRING, vfork): Don't define.
9899         (pid): Remove global variable.
9900         (handler): Call raise instead of kill (getpid(), ...).
9901         (collect_wait): Add pex parameter.  Change all callers.  Use
9902         pex_get_status rather than pwait.
9903         (do_wait): Add pex parameter.  Change all callers.
9904         (collect_execute): Return struct pex_obj * rather than void.  Use
9905         pex routines rather than pexecute.
9906         (fork_execute): Get pex_obj from collect_execute, and pass it to
9907         do_wait.
9908         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
9909         Only declare quit_handler if SIGQUIT is defined.
9910         (scan_libraries): Likewise.
9911         * collect2.h (collect_execute): Update declaration.
9912         (collect_wait): Update declaration.
9913         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
9914         pass it to collect_wait.
9915
9916 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
9917
9918         PR c/20672
9919         * c-parser.c (c_parser_compound_statement_nostart): Give error
9920         message for EOF instead of just setting parser->error.
9921
9922 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
9923
9924         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
9925         (slpeel_update_phi_nodes_for_guard1): New function.
9926         (slpeel_update_phi_nodes_for_guard2): New function.
9927         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
9928         of slpeel_update_phi_nodes_for_guard.
9929         (vectorize_loops): Remove call to loop_closed_rewrite.
9930         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
9931         assertion.
9932
9933 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
9934
9935         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
9936         (TARGET_LITTLE_ENDIAN): New macro.
9937         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
9938         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
9939         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
9940         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
9941         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
9942         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
9943         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
9944         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
9945         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
9946         (TARGET_OPTIONS): Delete.
9947         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
9948         (CACHE_FLUSH_TRAP): Turn into an integer.
9949         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
9950         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
9951         -mflush-trap is in use.
9952         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
9953         (m32r_cache_flush_trap_string): Delete.
9954         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
9955         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
9956         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
9957         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9958         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
9959         -mmodel= and -msdata= handling from...
9960         (m32r_init): ...here.
9961         * config/m32r/m32r.opt: New file.
9962
9963 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
9964
9965         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
9966         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
9967         * tree-vect-analyze.c (vect_object_analysis): additional parm
9968         pass back a "struct ptr_info_def *" with the points-to info.
9969         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
9970         statement using info returned from vect_object_analysis.
9971         * tree-vect-transform.c (update_vuses_to_preheader): New function.
9972         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
9973         for virtual uses and defs when creating a replacement vector
9974         reference.  Call duplicate_ssa_name_ptr_info to define points-to
9975         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
9976         (vectorizable_store): copy_virtual_operands and update
9977         definition statements.
9978         (vectorizable_load): copy_virtual_operands.  Remove call to
9979         mark_call_clobbered_vars_to_rename for call to "const" builtin.
9980         * tree-vectorizer.c (vectorize_loops): Remove calls to
9981         rewrite_into_ssa and bitmap_clear (vars_to_rename).
9982         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
9983         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
9984         define macro STMT_VINFO_PTR_INFO for use in accessing.
9985         * tree.h add export of duplicate_ssa_name_ptr_info.
9986         * rs6000.c (altivec_init_builtins): Declare builtin function
9987         __builtin_altivec_mask_for_load to be "const".
9988
9989 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
9990
9991         PR middle-end/20622
9992         * cgraph.h (struct cgraph_varpool_node): Add alias field.
9993         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
9994         assemble_variable on aliases.
9995         * varasm.c (assemble_alias): Set node->alias.
9996         * toplev.c (wrapup_global_declarations): Don't call
9997         rest_of_decl_compilation on aliases again.
9998
9999 2005-03-29  Paul Brook  <paul@codesourcery.com>
10000
10001         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
10002         * config/arm/arm.c (arm_dbx_register_number): New function.
10003         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
10004
10005 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
10006
10007         PR middle-end/20263
10008         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
10009         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
10010
10011 2005-03-29  Dale Johannesen <dalej@apple.com>
10012
10013         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
10014         $(TREE_H) and $(COVERAGE_H).
10015         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
10016         * opts.c (common_handle_option): Enable tree-based value transforms.
10017         * toplev.c (process_options): Ditto.
10018         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
10019         refers to references to this type.
10020         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
10021         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
10022         for may_be_more, may_be_less.
10023         (rtl_gen_pow2_profiler): Adjust.
10024         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
10025         (rtl_gen_one_value_profiler): Adjust.
10026         (rtl_gen_const_delta_profiler): Adjust.
10027         * tree-profile.c (tree_gen_interval_profiler): Implement.
10028         (tree_gen_pow2_profiler): Ditto.
10029         (tree_gen_one_value_profiler): Ditto.
10030         (tree_profiling): New.
10031         (pass_tree_profile): Reference it.
10032         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
10033         tree.h, gcov-io.h.
10034         (insn_divmod_values_to_profile): Rename to
10035         rtl_divmod_values_to_profile. Adjust.
10036         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
10037         (insn_prefetch_values_to_profile): Adjust.
10038         (rtl_value_profile_transformations): Adjust.
10039         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
10040         (gen_mod_pow2): Rename to rtl_mod_pow2.
10041         (gen_mod_subtract): Rename to rtl_mod_subtract.
10042         (divmod_fixed_value_transform): Rename to
10043         rtl_divmod_fixed_value_transform.
10044         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
10045         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
10046         (rtl_find_values_to_profile): Adjust.
10047         (tree_value_profile_transformations): Implement.
10048         (tree_divmod_values_to_profile): New.
10049         (tree_values_to_profile): New.
10050         (tree_divmod_fixed_value): New.
10051         (tree_mod_pow2): New.
10052         (tree_mod_subtract): New.
10053         (tree_divmod_fixed_value_transform): New.
10054         (tree_mod_pow2_value_transform): New.
10055         (tree_mod_subtract_transform): New.
10056         (tree_find_values_to_profile): Implement.
10057         * profile.c (instrument_values):  Free histograms.
10058         (compute_value_histograms): Adjust. Implement tree version.
10059
10060 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
10061
10062         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
10063         * config/i386/i386.c (output_fix_trunc): Add new round_mode
10064         variable.  Output "fldcw" depending on round_mode.
10065         * config/i386/i386.md (UNSPEC_FIST): New.
10066         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
10067         New isns patterns to implement lrint and llrint built-ins as x87
10068         intrinsic function.
10069         (fistdi2, fist<mode>2 splitters): New splitters.
10070         (lrint<mode>2): New expanders.
10071
10072 2005-03-28  Ian Lance Taylor  <ian@airs.com>
10073
10074         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
10075         0 when calling final_scan_insn.
10076
10077 2005-03-28  Jan Hubicka  <jh@suse.cz>
10078
10079         PR middle-end/20635
10080         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
10081         as needed.
10082
10083         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
10084         types where possible.
10085
10086 2005-03-26  Per Bothner  <per@bothner.com>
10087
10088         Make -f[no-]show-column also control non-cpp diagnostics.
10089         * c.opt (fshow-column): Move option from here ...
10090         * common.opt (fshow-column): ... to here.
10091         * diagnostic.c (diagnostic_build_prefix): Only print column number
10092         if flag_show_column.
10093
10094 2005-03-27  Steven Bosscher  <stevenb@suse.de>
10095
10096         * vax-protos.h (vax_output_int_move, vax_output_int_add,
10097         vax_output_conditional_branch): New prototypes.
10098         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
10099         extracted from vax.md mov and add patterns.
10100         (vax_output_conditional_branch): New function to output conditional
10101         branch instructions.
10102         * vax.md: Use mode macros for arithmetic and mov patterns.
10103         Use code macros for the jump patterns.
10104
10105 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
10106
10107         * Makefile.in (libbackend.o): Depend on version files;
10108         add custom generation command.
10109
10110 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
10111
10112         PR target/20636
10113         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
10114         sure that we have a REG before getting its REGNO.
10115
10116 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10117
10118         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
10119         * builtins.def (BUILT_IN_STRNDUP): New.
10120
10121 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
10122
10123         PR tree-optimization/20470
10124         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
10125         ABS(x-y).
10126
10127 2005-03-25  Mike Stump  <mrs@apple.com>
10128
10129         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
10130         sized objects.
10131
10132 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
10133
10134         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
10135         Use our own structure definitions.
10136
10137         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
10138         (fix_truncdfsi2): Allow registers or memory as destination.
10139         When TARGET_PPC_GFXOPT, generate simplified pattern.
10140         (fix_truncdfsi2_internal): Use define_insn_and_split.
10141         (fix_truncdfsi2_internal_gfxopt): New.
10142         (fctiwz): Don't confuse register allocation by giving it no choices.
10143         (stfiwx): New.
10144         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
10145         (EXTRA_MEMORY_CONSTRAINT): Likewise.
10146         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
10147         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
10148
10149 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
10150
10151         * dominance.c (free_dominance_info): Speed up by freeing et
10152         data structures without maintaining other nodes.
10153         * et-forest.c (et_free_tree_force): New.
10154         * et-forest.h: Add a prototype for et_free_tree_force.
10155
10156         * tree.c (get_set_constructor_bits,
10157         get_set_constructor_bytes): Remove.
10158         * tree.h: Remove the corresponding prototypes.
10159
10160 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
10161
10162         PR target/15491
10163         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
10164         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
10165         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
10166         PRE_DEC, NEG and NOT.
10167
10168 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
10169
10170         * fold-const.c: Convert uses of fold (build (...)) to
10171         fold_buildN.
10172
10173 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
10174
10175         PR rtl-optimization/20249
10176         * cse.c (insert_regs): Do not record equivalence of registers in
10177         different modes.
10178
10179 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
10180
10181         * emit-rtl.c (reverse_comparison): Remove.
10182         * rtl.h: Remove the corresponding prototype.
10183
10184 2005-03-24  James E Wilson  <wilson@specifixinc.com>
10185
10186         * doc/install.texi (--enable-altivec): Delete docs.
10187
10188 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
10189
10190         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
10191         SFmode and DFmode before reload when
10192         flag_unsafe_math_optimizations not enabled.
10193
10194 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
10195
10196         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
10197
10198         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
10199         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
10200
10201 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
10202
10203         * configure.ac (enable-checking): Add 'runtime' option.
10204         * doc/install.texi (enable-checking): Document 'runtime' checking.
10205         * tsystem.h (gcc_assert, gcc_unreachable): Define.
10206         * config.in: Regenerated.
10207         * configure: Regenerated.
10208
10209 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
10210
10211         * optabs.h (enum optab_index): Remove OTI_llrint.
10212         (llrint_optab): Remove macro.
10213         * optabs.c (init_optabs): Remove llrint_optab initialization.
10214         * genopinit.c (optabs): Remove llrint_optab implementation.
10215         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
10216         using lrint_optab.
10217
10218 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
10219
10220         PR rtl-optimization/20532
10221         * simplify-rtx.c (simplify_binary_operation_1): Protect from
10222         overflow when adding coefficients for PLUS or MINUS.
10223         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
10224         two as multiplier.
10225
10226 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
10227
10228         * langhooks.h (truthvalue_conversion): Remove.
10229         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
10230         LANG_HOOKS_TRUTHVALUE_CONVERSION.
10231         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
10232         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
10233         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
10234
10235 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
10236
10237         * params.def: Fix a typo.
10238         * config/mips/mips.c: Follow the spelling convensions.
10239         * doc/invoke.texi: Fix typos.
10240
10241 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
10242
10243         Fix PR tree-optimization/20601
10244
10245         * tree-ssa-pre.c (insert_aux): Add missing condition to
10246         constification.
10247
10248 2005-03-23  Ian Lance Taylor  <ian@airs.com>
10249
10250         * final.c (final_scan_insn): Don't remove no-op instructions.
10251         * reload1.c (reload): Remove simple no-op instructions even when
10252         not optimizing.
10253
10254 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
10255
10256         PR tree-optimization/20501
10257         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
10258         reporting that peeling for alignment is applied moved to...
10259         * (vect_analyze_data_refs_alignment): Here.
10260
10261 2005-03-23  Ian Lance Taylor  <ian@airs.com>
10262
10263         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
10264
10265 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10266
10267         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
10268         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
10269
10270 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
10271
10272         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
10273         imply that this is called once, independent of asms in code.
10274         Adjust to now being pased output and input lists.  Mention helper
10275         function decl_overlaps_hard_reg_set_p.
10276         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
10277         hook_tree_tree_identity and to take three trees, returning third.
10278         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
10279         prototype.
10280         * stmt.c: include hard-reg-set.h before tree.h.
10281         (decl_overlaps_hard_reg_set_p): New function, broken out from...
10282         (decl_conflicts_with_clobbers_p): Call
10283         decl_overlaps_hard_reg_set_p.
10284         (expand_asm_operands): Pass output and input lists in call to
10285         targetm.md_asm_clobbers.
10286         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
10287         hook_tree_tree_tree_tree_3rd_identity.
10288         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
10289         parameters.
10290         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
10291         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
10292         parameters, first two unused.
10293         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
10294         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
10295         in constraint letters and MOF is not mentioned as a asm-declared
10296         register in neither of the input and output lists.
10297
10298 2005-03-23  DJ Delorie  <dj@redhat.com>
10299
10300         * optabs.c (expand_binop): Make sure the first subword's result
10301         gets stored.
10302
10303 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
10304
10305         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
10306         Call c_common_truthvalue_conversion rather than
10307         lang_hooks.truthvalue_conversion.
10308         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
10309         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
10310         c-typeck.c.
10311         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
10312         c_common_truthvalue_conversion.
10313         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
10314         c_parser_conditional_expression, c_parser_binary_expression): Call
10315         c_objc_common_truthvalue_conversion.
10316         * c-typeck.c (build_unary_op): Call
10317         c_objc_common_truthvalue_conversion.
10318         (build_conditional_expr): Do not call
10319         lang_hooks.truthvalue_conversion.
10320         (build_binary_op): Call c_common_truthvalue_conversion.
10321         (c_objc_common_truthvalue_conversion): Moved from
10322         c-objc-common.c.  Call default_function_array_conversion instead
10323         of default_conversion.
10324
10325 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
10326
10327         * c-common.h (default_conversion): Remove.
10328         (perform_integral_promotions): Add.
10329         * c-tree.h (default_conversion): Add.
10330         * c-typeck.c (perform_integral_promotions): New, split out from
10331         default_conversion.
10332         * c-common.c (check_case_value): Use perform_integral_promotions,
10333         not default_conversion.
10334         (c_add_case_label): Don't continue processing case label after
10335         found to be pointer.
10336
10337 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
10338
10339         * gcc.c (do_spec_1): Do not add a -L path for a directory in
10340         the prefix list if we have already added a multilib directory
10341         based on that path.
10342         (main): Do not add MD_EXEC_PREFIX to the list of directories to
10343         search with -L.
10344
10345 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
10346
10347         * reload1.c (indirect_symref_ok, reload_obstack): Make them
10348         static.
10349         * reload.h: Remove the prototype for indirect_symref_ok.
10350
10351         * reload1.c (indirect_symref_ok): Make it global.
10352         * reload.h: Add a prototype for indirect_symref_ok.
10353
10354 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
10355
10356         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
10357         ashlhi3 expander.
10358
10359 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
10360
10361         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
10362
10363 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
10364
10365         * c-opts.c (c_common_parse_file): Only start/end main source file
10366         if debug hooks says the writer wants it.
10367         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
10368         member.
10369         (xcoff_debug_hooks): Ditto.
10370         * debug.c (do_nothing_hooks): Ditto.
10371         * debug.h (gcc_debug_hooks): Ditto.
10372         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
10373         * sdbout.c (sdb_debug_hooks): Ditto.
10374         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
10375
10376 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
10377
10378         * doc/extend.texi: Deprecate C++ min/max operators.
10379
10380 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
10381
10382         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
10383         artificial original candidates.
10384
10385 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
10386             Jan Hubicka  <jh@suse.cz>
10387             Steven Bosscher <stevenb@suse.de>
10388
10389         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
10390         call cost based on argument sizes.
10391         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
10392         inlining.
10393         * params.def: (max-inline-inssn-single): Set to 450.
10394         (max-inline-insns-auto): Set to 90.
10395         (max-inline-insns-recursive): Set to 450
10396         (max-inline-insns-recursive-auto): Set to 450.
10397         (large-function-insns): Set to 2700.
10398         (inline-call-cost): New parameter.
10399         * tree-inline.c (estimate_move_cost): New function.
10400         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
10401         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
10402         based on arguments.
10403         * tree-inline.h (estimate_move_cost): Declare.
10404         * invoke.texi: (max-inline-inssn-single): Change default to 450.
10405         (max-inline-insns-auto): Change default to 90.
10406         (max-inline-insns-recursive): Change default to 450
10407         (max-inline-insns-recursive-auto): Change default to 450.
10408         (large-function-insns): Change default to 2700.
10409         (inline-call-cost): Document new parameter.
10410
10411 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
10412
10413         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
10414         (TARGET_DEFAULT): Delete.
10415         * config/i860/i860.opt: New file.
10416
10417 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
10418
10419         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
10420         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
10421         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
10422         (frv_sched_lookahead): Delete.
10423         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
10424         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
10425         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
10426         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
10427         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
10428         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
10429         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
10430         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
10431         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
10432         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
10433         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
10434         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
10435         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
10436         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
10437         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
10438         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
10439         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
10440         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
10441         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
10442         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
10443         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
10444         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
10445         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
10446         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
10447         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
10448         (frv_sched_lookahead): Delete.
10449         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
10450         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
10451         (frv_handle_option): New function.  Move -mcpu= handling from...
10452         (frv_override_options): ...here.  Remove handling of other
10453         TARGET_OPTIONS.
10454         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
10455         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
10456         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
10457         and TARGET_NO_MULTI_CE.
10458         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
10459         !TARGET_VLIW_BRANCH.
10460         * config/frv/frv.opt: New file.
10461
10462 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
10463
10464         * fold-const.c (fold_ternary): Take decomposed arguments of
10465         CALL_EXPR.
10466         (fold): Update a call to fold_ternary.
10467
10468         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
10469         * tree.h: Add corresponding prototypes.
10470
10471 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
10472
10473         PR target/20561
10474         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
10475         between jump table and its label.
10476         * final.c (shorten_branches): Handle notes in between ADDR_VEC
10477         resp. ADDR_DIFF_VEC and the label preceeding it.
10478         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
10479         is emitted in the right section.
10480
10481 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
10482
10483         * fold-const.c (fold_unary, fold_binary): Update comments
10484         about arguments.
10485
10486 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
10487
10488         PR rtl-optimization/20527
10489         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
10490         REG_INC note, test that the register also isn't mentioned in PRED
10491         or SUCC.
10492
10493 2005-03-22  Ben Elliston  <bje@au.ibm.com>
10494
10495         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
10496         and definition.
10497
10498 2005-03-21  Mike Stump  <mrs@apple.com>
10499
10500         * varasm.c (default_assemble_visibility): Remove extra ().
10501
10502 2005-03-21  Roger Sayle  <roger@eyesopen.com>
10503
10504         PR middle-end/20557
10505         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
10506         to determine whether a block can be duplicated, rather than test
10507         whether the block contains noncopyable insns ourselves.
10508
10509 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
10510
10511         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
10512         predicates.
10513
10514 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
10515
10516         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
10517
10518 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
10519
10520         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
10521         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
10522         * config/fr30/fr30.opt: New file.
10523
10524 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
10525
10526         Fix PR tree-optimization/20542
10527
10528         * tree-flow-inline.h (overlap_subvar): Move to here.
10529         * tree-ssa-operands.c: From here.
10530         * tree-flow.h (overlap_subvar): Declare.
10531         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
10532         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
10533         for variables with subvars.
10534
10535 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
10536
10537         PR middle-end/20177
10538         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
10539         * modulo-sched.c (const_iteration_count): Return on NULL
10540         pre-header.
10541         (print_node_sched_params): Return on NULL dump_file.
10542         (generate_reg_moves): Handle reg-anti dependencies and disregard
10543         closing branch when generating register moves.
10544         (sms_schedule): Mark the SMSed block dirty.
10545         * passes.c (rest_of_handle_sms): Call update_life_info for all
10546         basic-blocks.
10547         * testsuite/gcc.dg/20050321-1.c: New test.
10548
10549 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
10550
10551         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
10552         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
10553         movqi_internal): Likewise.
10554
10555 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
10556
10557         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
10558         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
10559         xtensa_b4const): Delete prototypes.
10560         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
10561         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
10562         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
10563         xtensa_extra_constraint): New prototypes.
10564         (add_operand, arith_operand, nonimmed_operand, mem_operand,
10565         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
10566         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
10567         move_operand, const_float_1_operand, fpmem_offset_operand,
10568         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
10569         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
10570         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
10571         argument type to HOST_WIDE_INT.
10572         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
10573         xtensa_mask_immediate): Likewise.
10574         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
10575         Likewise.  Also make these functions static.
10576         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
10577         (xtensa_const_ok_for_letter_p): New.
10578         (add_operand, arith_operand, nonimmed_operand, mem_operand,
10579         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
10580         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
10581         move_operand, const_float_1_operand, fpmem_offset_operand,
10582         branch_operator, ubranch_operator, boolean_operator): Move to
10583         predicates.md.
10584         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
10585         (xtensa_mem_offset): Change return type to bool.
10586         (xtensa_extra_constraint): New.
10587         (gen_int_relational): Update type of const_range_p function pointer.
10588         Use xtensa_b4const_or_zero.
10589         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
10590         xtensa_const_ok_for_letter_p.  Update comments.
10591         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
10592         (PREDICATE_CODES): Delete.
10593         * config/xtensa/xtensa.md: Include predicates.md.
10594         * config/xtensa/predicates.md: New file.
10595
10596 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
10597
10598         * config/v850/v850-protos.h: Remove the prototypes for
10599         reg_or_int9_operand, reg_or_const_operand,
10600         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
10601         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
10602         movsi_source_operand, power_of_two_operand,
10603         not_power_of_two_operand, special_symbolref_operand,
10604         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
10605         register_is_ok_for_epilogue.
10606         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
10607         reg_or_int9_operand, reg_or_const_operand,
10608         call_address_operand, special_symbolref_operand,
10609         movsi_source_operand, power_of_two_operand,
10610         not_power_of_two_operand, register_is_ok_for_epilogue,
10611         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
10612         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
10613         predicates.md.
10614         * config/v850/v850.h (PREDICATE_CODES): Remove.
10615         * config/v850/v850.md: Include predicates.md.
10616         * config/v850/predicates.md: New.
10617
10618 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
10619
10620         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
10621         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
10622         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
10623         (itoolsdir, itoolsdatadir): Move definition above new first use.
10624         (install-itoolsdirs): New rule.
10625         (install-mkheaders): Depend on install-itoolsdirs, not
10626         install-include-dir.
10627
10628 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
10629
10630         * tree-into-ssa.c: Remove obsolete comments.
10631
10632 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
10633
10634         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
10635         unrolling if -fpeel-loops is specified, too.
10636         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
10637         Remove superfluous check for flag_unroll_loops.
10638
10639 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
10640
10641         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
10642         (lrint_optab, llrint_optab): Define corresponding macros.
10643         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
10644         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
10645         pattern and llrint_optab using llrintdi2 patterns.
10646         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
10647         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
10648         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
10649         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
10650         flag_unsafe_math_optimizations is set.
10651
10652 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
10653
10654         * combine.c (combine_simplify_rtx, simplify_if_then_else,
10655         simplify_logical, if_then_else_cond, known_cond,
10656         simplify_comparison): Adjust calls to reverse_comparison.
10657         Don't use combine_reversed_comparison_code).
10658         (combine_reversed_comparison_code): Remove.
10659         (reversed_comparison): Using reversed_comparison_code, move it...
10660         * jump.c (reversed_comparison): ... here.
10661         * rtl.h (reversed_comparison): Add prototype.
10662
10663 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
10664
10665         * builtins.c (fold_builtin): Take decomposed arguments of
10666         CALL_EXPR.
10667         * fold-const.c (fold_ternary): Update a call to fold_builtin.
10668         * gimplify.c (gimplify_call_expr): Likewise.
10669         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
10670         * tree.h: Update the prototype of fold_builtin.
10671
10672 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
10673
10674         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
10675         * rtlhooks.c (gen_lowpart_no_emit_general): New.
10676         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
10677         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
10678         * simplify-rtx.c (simplify_binary_operation_1): Use it.
10679
10680 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
10681
10682         * builtins.c (fold_builtin_1): Take decomposed arguments of
10683         CALL_EXPR.
10684         (fold_builtin): Update a call to fold_builtin_1.
10685
10686 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
10687
10688         PR other/20564
10689         * gcov.c (output_lines): Only output function block summary when
10690         outputting branch information.
10691         * doc/gcov.texi: Document format of preamble and additional block
10692         information lines.
10693
10694 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
10695
10696         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
10697         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
10698         the defaults false if BITS_PER_UNIT != 8.
10699         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
10700         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
10701         than BITS_PER_UNIT != 8.
10702         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
10703         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
10704         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
10705         #undefs.
10706         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
10707         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
10708
10709 2005-03-20  Roger Sayle  <roger@eyesopen.com>
10710
10711         PR middle-end/20539
10712         * fold-const.c (fold_binary): Fix type mismatch between
10713         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
10714         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
10715         for non-truth-valued expressions.
10716
10717         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
10718         and FUNCTION_DECL in the main switch.
10719         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
10720         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
10721         we also need to convert their operands to match.
10722         <TRUTH_NOT_EXPR>: Likewise.
10723
10724 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
10725
10726         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
10727         diagnostic without checking whether an lvalue.
10728         * c-common.h (lvalue_p): Remove.
10729         (enum lvalue_use): Update comment.
10730         (lvalue_or_else): Replace by lvalue_error.
10731         * c-typeck.c (lvalue_p): Make static.
10732         (lvalue_or_else): New.  Call lvalue_error.
10733
10734 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
10735
10736         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
10737         (function_arg_advance): Use rs6000_parm_start.
10738         (function_arg, rs6000_arg_partial_bytes): Likewise.
10739
10740 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
10741
10742         * c-common.c (check_case_value): Adjust comment about stripping
10743         NOPs.
10744         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
10745         * c-typeck.c (default_conversion, convert_arguments,
10746         build_modify_expr, convert_for_assignment, store_init_value,
10747         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
10748         manually.  Remove inaccurate comments.
10749
10750 2005-03-20  Roger Sayle  <roger@eyesopen.com>
10751             Joseph S. Myers  <joseph@codesourcery.com>
10752
10753         * varasm.c (do_assemble_alias): Restore comment describing function.
10754         Annotate the target parameter as potentially unused.
10755
10756 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
10757
10758         PR target/18551
10759         * config/avr/avr.c (avr_output_function_prologue): Do not use
10760         current_function_name() in a label, use a local label instead.
10761
10762 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
10763
10764         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
10765         flag_finite_math_only, not flag_unsafe_math_optimizations.
10766
10767 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
10768
10769         * builtins.c (fold_builtin_1): Update a call to
10770         targetm.fold_builtin.
10771         * hooks.c (hook_tree_tree_bool_null): Rename to
10772         hook_tree_tree_tree_bool_null.  Take one more argument of type
10773         tree.
10774         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
10775         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
10776         hook_tree_tree_tree_bool_null.
10777         * target.h (gcc_target): Update the prototype of fold_builtin.
10778         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
10779         arguments of CALL_EXPR.
10780         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
10781         new prototype.
10782
10783 2005-03-20  Jan Hubicka  <jh@suse.cz>
10784
10785         * cgraph.h (cgraph_node): Add prev_clone pointer.
10786         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
10787         (cgraph_clone_node): Produce doubly linked chain.
10788
10789 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
10790
10791         * c-common.c (handle_aligned_attribute, check_function_sentinel,
10792         get_nonnull_operand, handle_sentinel_attribute,
10793         check_function_arguments_recurse): Do not strip NOPS from
10794         INTEGER_CSTs.
10795         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
10796         Likewise.
10797         * c-format.c (get_constant): Likewise.
10798         * c-parser.c (c_parser_postfix_expression): Likewise.
10799         * c-typeck.c (set_init_index): Likewise.
10800         (convert_arguments): Don't check for NOP_EXPR containing integer
10801         constant.
10802
10803 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
10804
10805         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
10806         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
10807         Take decomposed arguments of CALL_EXPR.
10808         (fold_builtin_1): Update calls to the functions mentioned
10809         above.
10810
10811 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
10812
10813         * c-decl.c (check_bitfield_type_and_width): Require bit-field
10814         width to have integer type.
10815         (build_enumerator): Require enumerator value to have integer type.
10816
10817 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
10818
10819         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
10820         to __builtin_inff.
10821
10822 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
10823
10824         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
10825         std=iso9899:199x): Correct descriptions.
10826
10827 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
10828
10829         * config.gcc: Consistently use solaris2.1[0-9]* instead of
10830         solaris2.1[0-9].
10831
10832 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
10833
10834         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
10835         of CALL_EXPR.
10836         (expand_builtin_memcpy, fold_builtin_1): Update calls to
10837         fold_builtin_memcpy.
10838
10839         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
10840         arguments of CALL_EXPR.
10841         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
10842         fold_builtin_found, fold_builtin_1): Update calls to
10843         fold_trunc_transparent_mathfn.
10844
10845 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10846
10847         PR middle-end/20493
10848         * fold-const.c (fold_widened_comparison): Don't optimize casts of
10849         function pointers on targets that require function pointer
10850         canonicalization.
10851         (fold_sign_changed_comparison): Likewise.
10852
10853 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
10854
10855         * combine.c (try_combine): When changing the mode of a hard reg, make
10856         sure that doing so is valid.
10857
10858 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
10859
10860         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
10861         (TARGET_HANDLE_OPTION): Override default.
10862         (avr_handle_option): New function.
10863         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
10864         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
10865         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
10866         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
10867         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
10868         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
10869         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
10870         (TARGET_OPTIONS): Delete.
10871         * config/avr/avr.opt: New file.
10872
10873 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10874
10875         * config/m32r/m32r-protos.h: Remove the prototypes for
10876         call_address_operand, symbolic_operand, seth_add3_operand,
10877         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
10878         reg_or_uint16_operand, reg_or_cmp_int16_operand,
10879         two_insn_const_operand, move_src_operand,
10880         move_double_src_operand, move_dest_operand,
10881         eqne_comparison_operator, signed_comparison_operator,
10882         large_insn_p, conditional_move_operand, carry_compare_operand,
10883         m32r_block_immediate_operand, extend_operand,
10884         reg_or_eq_int16_operand, int8_operand, and
10885         reg_or_zero_operand.
10886         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
10887         seth_add3_operand, int8_operand, cmp_int16_operand,
10888         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
10889         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
10890         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
10891         move_double_src_operand, move_dest_operand,
10892         eqne_comparison_operator, signed_comparison_operator,
10893         extend_operand, small_insn_p, large_insn_p,
10894         conditional_move_operand, carry_compare_operand,
10895         m32r_block_immediate_operand): Move to predicates.md.
10896         (MAX_MOVE_BYTES): Move to m32r.h.
10897         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
10898         * config/m32r/m32r.md: Include predicates.md.
10899         * config/m32r/predicates.md: New.
10900
10901 2005-03-18  James E Wilson  <wilson@specifixinc.com>
10902
10903         PR c++/19769
10904         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
10905         origin.
10906
10907 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10908
10909         * config/mn10300/mn10300-protos.h: Remove the prototypes for
10910         call_address_operand, const_8bit_operand.
10911         * config/mn10300/mn10300.c (call_address_operand,
10912         const_8bit_operand, const_1f_operand): Move to predicates.md.
10913         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
10914         * config/mn10300/mn10300.md: Include predicates.md.
10915         * config/mn10300/predicates.md: New.
10916
10917 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
10918
10919         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
10920         declarations in diagnostics and %E for identifiers, not %s.
10921
10922 2005-03-18  Jan Hubicka  <jh@suse.cz>
10923             Dale Johannesen  <dalej@apple.com>
10924
10925         * basic-block.h (scale_bbs_frequencies_int,
10926         scale_bbs_frequencies_gcov_type): Declare.
10927         * cfg.c (RDIV): New macro.
10928         (update_bb_frequency_for_threading): Fix.
10929         * basic-block.h (scale_bbs_frequencies_int,
10930         scale_bbs_frequencies_gcov_type): New.
10931         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
10932         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
10933         scale_bbs_frequencies_int.
10934         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
10935
10936 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10937
10938         * config/m32r/m32r-protos.h: Remove the prototypes for
10939         call_address_operand, symbolic_operand, seth_add3_operand,
10940         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
10941         reg_or_uint16_operand, reg_or_cmp_int16_operand,
10942         two_insn_const_operand, move_src_operand,
10943         move_double_src_operand, move_dest_operand,
10944         eqne_comparison_operator, signed_comparison_operator,
10945         large_insn_p, conditional_move_operand, carry_compare_operand,
10946         m32r_block_immediate_operand, extend_operand,
10947         reg_or_eq_int16_operand, int8_operand, and
10948         reg_or_zero_operand.
10949         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
10950         seth_add3_operand, int8_operand, cmp_int16_operand,
10951         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
10952         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
10953         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
10954         move_double_src_operand, move_dest_operand,
10955         eqne_comparison_operator, signed_comparison_operator,
10956         extend_operand, small_insn_p, large_insn_p,
10957         conditional_move_operand, carry_compare_operand,
10958         m32r_block_immediate_operand): Move to predicates.md.
10959         (MAX_MOVE_BYTES): Move to m32r.h.
10960         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
10961         * config/m32r/m32r.md: Include predicates.md.
10962         * config/m32r/predicates.md: New.
10963
10964         * config/pa/pa-protos.h: Add prototypes for magic_milli and
10965         shadd_constant_p.
10966         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
10967         symbolic_operand, symbolic_memory_operand,
10968         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
10969         indexed_memory_operand, move_dest_operand, move_src_operand,
10970         prefetch_cc_operand, prefetch_nocc_operand,
10971         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
10972         arith_operand, arith11_operand, pre_cint_operand,
10973         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
10974         ireg_operand, int5_operand, uint5_operand, int11_operand,
10975         uint32_operand, arith5_operand, and_operand, ior_operand,
10976         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
10977         pc_or_label_operand, div_operand, plus_xor_ior_operator,
10978         shadd_operand, movb_comparison_operator,
10979         cmpib_comparison_operator): Move to predicates.md.
10980         (magic_milli, shadd_constant_p): Make it extern.
10981         * config/pa/pa.h (PREDICATE_CODES): Remove.
10982         * config/pa/pa.md: Include predicates.md.
10983         * config/pa/predicates.md: New.
10984
10985         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
10986         predicate.
10987
10988 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
10989
10990         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
10991         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
10992         config/alpha/freebsd.h, config/alpha/linux.h,
10993         config/alpha/netbsd.h, config/alpha/osf5.h,
10994         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
10995         config/h8300/h8300-protos.h, config/h8300/h8300.c,
10996         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
10997         doc/cppopts.texi: Update copyright.
10998
10999 2005-03-18  Jan Hubicka  <jh@suse.cz>
11000
11001         PR middle-end/20225
11002         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
11003         too late.
11004         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
11005         called too late.
11006
11007 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
11008
11009         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
11010         VEC_safe_push.
11011
11012 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
11013
11014         * combine.c (gen_binary): Remove.
11015         (known_cond, simplify_shift_const, find_split_point,
11016         combine_simplify_rtx, simplify_if_then_else, simplify_set,
11017         simplify_logical, expand_field_assignment, extract_left_shift,
11018         force_to_mode, if_then_else_cond, apply_distributive_law,
11019         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
11020         simplify_comparison, reversed_comparison): Replace with
11021         simplify_gen_binary, simplify_gen_relational or
11022         distribute_and_simplify_rtx.
11023         (distribute_and_simplify_rtx): New function.
11024
11025 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
11026             Paolo Bonzini  <gcc.gnu.org>
11027
11028         * calls.c (setjmp_call_p, special_function_p): Update comments
11029         at the head of the functions.
11030
11031 2005-03-18  Jan Hubicka  <jh@suse.cz>
11032
11033         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
11034
11035         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
11036         function body should be released; do not proactively release function
11037         bodies in non-unit-at-a-time mode.
11038
11039 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
11040
11041         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
11042         mno-fp-ret-in-387 multilib variants.
11043
11044 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
11045
11046         * common.opt (m): Remove.
11047         * opts.c (handle_option): Pass 'm' options to set_target_switch if
11048         table lookup fails.
11049         (common_handle_option): Remove OPT_m case.
11050
11051 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
11052
11053         * builtins.c (fold_builtin_bitop): Take decomposed arguments
11054         of CALL_EXPR.
11055         (fold_builtin_1): Update a call to fold_builtin_bitop.
11056
11057         * builtins.c (fold_builtin_signbit): Take decomposed arguments
11058         of CALL_EXPR.
11059         (fold_builtin_1): Update a call to fold_builtin_signbit.
11060
11061 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
11062
11063         PR tree-optimization/20474
11064         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
11065         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
11066
11067 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
11068
11069         * config/h8300/h8300-protos.h: Remove prototypes for
11070         general_operand_src, general_operand_dst, single_one_operand,
11071         single_zero_operand, call_insn_operand,
11072         two_insn_adds_subs_operand, small_call_insn_operand,
11073         jump_address_operand, bit_operand, bit_memory_operand,
11074         stack_pointer_operand, const_int_gt_2_operand,
11075         const_int_ge_8_operand, const_int_qi_operand,
11076         const_int_hi_operand, incdec_operand, bit_operator,
11077         nshift_operator, eqne_operator, gtle_operator,
11078         gtuleu_operator, iorxor_operator.
11079         Add prototypes for h8sx_shift_type h8sx_classify_shift and
11080         h8300_ldm_stm_parallel.
11081         * config/h8300/h8300.c (h8sx_shift_type,): Move to
11082         h8300-protos.h.
11083         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
11084         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
11085         (h8300_ldm_stm_parallel): Make it extern.
11086         (h8300_ldm_parallel, h8300_stm_parallel,
11087         h8300_return_parallel, general_operand_src,
11088         general_operand_dst, h8300_dst_operand, h8300_src_operand,
11089         nibble_operand, reg_or_nibble_operand, single_one_operand,
11090         single_zero_operand, call_insn_operand,
11091         two_insn_adds_subs_operand, small_call_insn_operand,
11092         jump_address_operand, bit_operand, bit_memory_operand,
11093         stack_pointer_operand, const_int_gt_2_operand,
11094         const_int_ge_8_operand, const_int_qi_operand,
11095         const_int_hi_operand, incdec_operand, eqne_operator,
11096         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
11097         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
11098         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
11099         nshift_operator): Move to predicates.md.
11100         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
11101         * config/h8300/h8300.md: Include predicates.md.
11102         * config/h8300/predicates.md: New.
11103
11104 2005-03-17  Richard Henderson  <rth@redhat.com>
11105
11106         * config.gcc (ia64*-*-hpux*): Add extra_options.
11107         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
11108         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
11109         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
11110         (ia64_tls_size_string, ia64_tune_string): Remove.
11111         (ia64_tune): Init to PROCESSOR_ITANIUM2.
11112         (TARGET_DEFAULT_TARGET_FLAGS): New.
11113         (TARGET_HANDLE_OPTION): New.
11114         (ia64_override_options): Move options parsing ...
11115         (ia64_handle_option): ... here.  New.
11116         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
11117         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
11118         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
11119         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
11120         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
11121         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
11122         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
11123         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
11124         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
11125         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
11126         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
11127         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
11128         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
11129         TARGET_EARLY_STOP_BITS): Remove.
11130         (TARGET_ILP32): Default false.
11131         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
11132         (enum ia64_inline_type): New.
11133         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
11134         * config/ia64/ia64.md: Update for new definitions of
11135         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
11136         * config/ia64/ia64.opt: New file.
11137         * config/ia64/ilp32.opt: New file.
11138
11139 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
11140
11141         PR target/18380
11142         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
11143
11144 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
11145
11146         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
11147         instead of MASK_H8300S.
11148         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
11149         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
11150         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
11151         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
11152         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
11153         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
11154         TARGET_SWITCHES): Remove.
11155         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
11156         TARGET_H8300SX.
11157         * config/h8300/h8300.opt: New.
11158
11159         * config/alpha/alpha.opt, config/arc/arc.opt,
11160         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
11161         notices.
11162
11163 2005-03-17  Ian Lance Taylor  <ian@airs.com>
11164
11165         * gmon.c: Remove.
11166
11167 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
11168
11169         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
11170         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
11171         (TARGET_HANDLE_OPTION): Override default.
11172         (arc_handle_option): New function.
11173         (arc_init): Remove code to set arch_cpu_string.
11174         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
11175         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
11176         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
11177         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
11178         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
11179         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
11180         (arc_rodata_string, TARGET_OPTIONS): Delete.
11181         * config/arc/arc.opt: New file.
11182
11183 2005-03-17  Richard Henderson  <rth@redhat.com>
11184
11185         * doc/extend.texi (Weak Pragmas): New section.
11186         (attribute alias): Clarify that target must be in the same
11187         translation unit.
11188
11189 2005-03-17  Richard Henderson  <rth@redhat.com>
11190
11191         * config/alpha/alpha.opt: New file.
11192         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
11193         of alpha_cpu.
11194         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
11195         alpha_fprm_string, alpha_fptm_string): Make static.
11196         (alpha_tls_size_string): Remove.
11197         (alpha_handle_option): New.
11198         (override_options): Update for alpha_cpu/alpha_tune split.
11199         (alpha_file_start): Likewise.
11200         (TARGET_DEFAULT_TARGET_FLAGS): New.
11201         (TARGET_HANDLE_OPTION): New.
11202         * config/alpha/alpha.h (alpha_tune): Declare.
11203         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
11204         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
11205         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
11206         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
11207         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
11208         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
11209         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
11210         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
11211         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
11212         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
11213         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
11214         (TARGET_DEFAULT): Remove MASK_FP.
11215         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
11216         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
11217         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
11218         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
11219         alpha_tls_size_string): Remove.
11220         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
11221         (attribute tune): Rename from attribute cpu.
11222         * config/alpha/ev4.md: Update to match.
11223         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
11224         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
11225         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
11226         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
11227         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
11228         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
11229
11230 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
11231
11232         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
11233         and return without creating new state if before_nops_num is nonzero.
11234         * config/ia64/ia64.md (first_insn): New attribute.
11235         (alloc): Set it to yes.
11236
11237 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
11238
11239         * tree-vectorizer.c (new_vec_stmt_info): Initialize
11240         STMT_VINFO_SUBVARS to NULL.
11241         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
11242
11243 2005-03-16 Dale Johannesen  <dalej@apple.com>
11244
11245         * rtlanal.c (find_first_parameter_load):  Rewrite to
11246         return actual first param load or the call if none,
11247         instead of first in block, when not all loads exist.
11248
11249 2005-03-16  Roger Sayle  <roger@eyesopen.com>
11250
11251         * optabs.c (expand_copysign_absneg): Make static.
11252         * optabs.h (expand_copysign_absneg): Delete prototype.
11253         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
11254
11255 2005-03-16  Richard Henderson  <rth@redhat.com>
11256
11257         PR middle-end/15700
11258         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
11259         (alias_pairs): Rename from output_defs.
11260         (find_decl_and_mark_needed): Split out from assemble_alias.
11261         (do_assemble_alias): New.
11262         (assemble_output_def): Remove.
11263         (finish_aliases_1, finish_aliases_2): New.
11264         (process_pending_assemble_output_defs): Remove.
11265         (assemble_alias): Defer aliases for which we don't yet have a
11266         non-external decl for the target symbol.
11267         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
11268         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
11269         * toplev.c (compile_file): Use finish_aliases_2 instead of
11270         process_pending_assemble_output_defs.
11271         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
11272         (process_pending_assemble_output_defs): Remove.
11273
11274 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
11275
11276         Fix PR tree-optimization/20489
11277
11278         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
11279         for empty structures.
11280
11281 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
11282
11283         Fix PR tree-optimization/20490
11284
11285         * tree-ssa-pre.c (create_expression_by_pieces): Use
11286         force_gimple_operand on result of fold.
11287
11288 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
11289
11290         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
11291         of closing parenthesis.
11292
11293 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
11294
11295         * builtins.c (expand_movstr): Update a call to
11296         fold_builtin_strcpy.
11297         (expand_builtin_strncpy): Update a call to
11298         fold_builtin_strncpy.
11299         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
11300         arguments of CALL_EXPR.
11301         (fold_builtin_1): Update calls to fold_builtin_strcpy and
11302         fold_builtin_strncpy.
11303         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
11304         * tree.h: Update the prototypes of fold_builtin_strcpy and
11305         fold_builtin_strncpy.
11306
11307 2005-03-16  Steven Bosscher  <stevenb@suse.de>
11308             Dorit Naishlos  <dorit@il.ibm.com>
11309
11310         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
11311         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
11312         error.
11313
11314 2005-03-16  Steven Bosscher  <stevenb@suse.de>
11315
11316         * tree-inline.c (walk_type_fields, walk_tree,
11317         walk_tree_without_duplicates): Move from here...
11318         * tree.c: ...to here.
11319
11320 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
11321
11322         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
11323         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
11324         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
11325         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
11326         (version): Define using $(BASEVER_c).
11327         (Makefile, config.status, build/gcov-iov.o): No longer depends on
11328         version.c.
11329         (version.o): Depend on version files; add custom generation command.
11330         (prefix.o): Define BASEVER on command line.
11331         (s-iov): Depend on version files; adjust command.
11332         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
11333         Add gcc-vers.texi.
11334         (gcc-vers.texi): New rule.
11335         (doc/%.info, doc/%.dvi): Add -I . to command line.
11336         (doc/gccinstall.dvi): Likewise.
11337         (PACKAGE): Delete.  All uses replaced with "gcc".
11338         * aclocal.m4: Do not include gcc-version.m4.
11339         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
11340         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
11341         Set is_release based on contents of DEV-PHASE.
11342         Set gcc_version based on contents of BASE-VER.
11343         Define WIN32_REGISTRY_KEY only if the user overrode the default.
11344         * config.in, configure: Regenerate.
11345         * gccbug.in: Determine version of GCC in use at runtime.
11346         * gcov-iov.c: Get version number and development phase from
11347         command line, not by including version.c.
11348         * intl.c: Replace all uses of PACKAGE with "gcc".
11349         * libada-mk.in: Delete unused "gcc_version" variable.
11350         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
11351         * version.c: (VERSUFFIX): New hook for redistributors; adjust
11352         commentary to match.
11353         (version_string): Put together from pieces.
11354         * config/alpha/x-vms: Do not use $(gcc_version).
11355         * config/i386/t-nwld: Likewise.
11356         * doc/include/gcc-common.texi: Include gcc-vers.texi for
11357         version-GCC and DEVELOPMENT.
11358
11359 2005-03-15  Roger Sayle  <roger@eyesopen.com>
11360
11361         PR tree-optimization/17454
11362         * tree.c (tree_size): Add case for TREE_BINFO.
11363         * fold-const.c (fold_checksum_tree): Only clear the overloaded
11364         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
11365
11366 2005-03-15  Roger Sayle  <roger@eyesopen.com>
11367
11368         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
11369         op1 whilst expanding the signed widenening multiply variant.
11370
11371 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
11372
11373         * toplev.c (display_target_options): Avoid unused variable warning if
11374         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
11375         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
11376         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
11377         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
11378         (mips_isa_info): New variable.
11379         (mips_parse_cpu): Remove the first argument and leave the caller
11380         to report errors.
11381         (TARGET_HANDLE_OPTION): Override default.
11382         (mips_handle_option): New function.  Move option validation code from...
11383         (override_options): ...here.  Update calls to mips_parse_cpu.
11384         * config/mips/mips.h (mips_arch_string, mips_tune_string)
11385         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
11386         (SUBTARGET_TARGET_OPTIONS): Delete.
11387         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
11388         (mno-flush-func, mtune=): New options.
11389
11390 2005-03-15  Roger Sayle  <roger@eyesopen.com>
11391             Richard Henderson  <rth@redhat.com>
11392
11393         * real.c (c4x_single_format, c4x_extended_format): Provide values
11394         for signbit_ro for c4x's single and extended floating point formats.
11395         * optabs.c (expand_copysign): Use the floating point format's
11396         signbit_ro for expanding via expand_copysign_absneg, and it's
11397         signbit_rw field for expanding via expand_copysign_bit.
11398
11399 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
11400
11401         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
11402         known_alignment_for_access_p.
11403         (known_alignment_for_access_p): New.
11404         (do_peeling_for_alignment): Field made int instead of bool and renamed
11405         to peeling_for_alignment.
11406         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
11407         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
11408         functionality used to be in vect_analyze_operations.
11409         (vect_analyze_operations): Code to determine vectorization factor was
11410         moved to vect_determine_vectorization_factor.
11411         (vect_enhance_data_refs_alignment): Update to correct alignment when it
11412         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
11413         factor.
11414         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
11415         be part of vect_analyze_operations).
11416         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
11417         creating the guard condition, as the number of iterations may be
11418         constant.
11419         (slpeel_tree_peel_loop_to_edge): Use new name of
11420         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
11421         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
11422         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
11423         (vect_do_peeling_for_alignment): Use fold.
11424         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
11425
11426         (vect_update_inits_of_dr): Renamed to
11427         vect_update_init_of_dr.
11428         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
11429         (vectorizable_store): Fix assertion to use == instead of =.
11430
11431 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
11432
11433         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
11434         call_used_regs for wCG registers.
11435
11436 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
11437
11438         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
11439         for non-offsettable memory references to cope with outstanding reload
11440         replacements, take 2.
11441
11442 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
11443
11444         PR target/18668
11445         * config/i386/i386.h (x86_fisttp): New.
11446         (TARGET_FISTTP): New macro.
11447         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
11448         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
11449         instruction when fisttp flag is set.
11450         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
11451
11452         * config/i386/i386.md (type attribute): Add fisttp.
11453         (unit attribute): Set to i387 for fisttp type.
11454         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
11455         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
11456         TARGET_FISTTP.
11457         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
11458         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
11459         macros.
11460         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
11461         patterns for TARGET_FISTTP.  Enable patterns for
11462         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
11463         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
11464         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
11465         implement fisttp x87 insn.
11466         (fix_trunc*_i387_fisttp splitters): New patterns.
11467         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
11468         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
11469         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
11470         clobber.
11471         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
11472         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
11473         Implement using mode macros. Disable patterns for TARGET_FISTTP.
11474         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
11475         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
11476         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
11477         Disable patterns for TARGET_FISTTP.
11478         (fix_trunc*_i387 splitters): Implement usign mode macros.
11479         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
11480         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
11481         (fix_trunx*_sse peephole2s): Implement using mode macros.
11482
11483 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
11484
11485         PR rtl-optimization/20291
11486         * combine.c (try_combine): If splitting fails, re-try with
11487         original combined pattern, i.e. before clobber stripping.
11488
11489 2005-03-14  Eric Christopher  <echristo@redhat.com>
11490
11491         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
11492         STACK_GROWS_DOWNWARD.
11493
11494 2005-03-14  Roger Sayle  <roger@eyesopen.com>
11495
11496         * real.h (struct real_format): Split the signbit field into two
11497         two fields, signbit_ro and signbit_rw.
11498         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
11499         mips_double_format, ieee_extended_motorola_format,
11500         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
11501         ieee_extended_intel_128_format, ibm_extended_format,
11502         mips_extended_format, ieee_quad_format, mips_quad_format,
11503         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
11504         i370_double_format, c4x_single_format, c4x_extended_format,
11505         real_internal_format): Update initializers for new field.
11506         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
11507         real_format structure.
11508         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
11509         field of the real_format structure.
11510
11511 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
11512
11513         Fix PR tree-optimization/20458
11514
11515         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
11516         DECL_EXTERNAL on STRUCT_FIELD tags.
11517         (clear_call_clobbered): Ditto.
11518         * tree-ssa-operands.c (note_addressable): Make sure the original
11519         variable doesn't slip into the addressable list if we have
11520         subvars.
11521         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
11522         tags too.
11523
11524 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
11525
11526         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
11527         (-fwide-exec-charset): Likewise.
11528         (-finput-charset): Likewise.
11529         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
11530         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
11531         * c.opt (Wnormalized): New.
11532
11533 2005-03-14  Devang Patel  <dpatel@apple.com>
11534
11535         * doc/invoke.texi: Add reference to Visibility document.
11536
11537 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
11538
11539         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
11540         MASK_SPLIT_ADDRESSES.
11541         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
11542         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
11543         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
11544         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
11545         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
11546         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
11547         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
11548         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
11549         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
11550         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
11551         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
11552         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
11553         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
11554         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
11555         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
11556         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
11557         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
11558         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
11559         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
11560         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
11561         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
11562         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
11563         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
11564         (TARGET_EXPLICIT_RELOCS): Delete.
11565         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
11566         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
11567         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
11568         (override_options): Set MASK_LONG64 if -mint64 is given and no
11569         -mlongXX option is.  Complain about -mint64 -mlong32.
11570         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
11571         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
11572         * config/mips/mips.opt: New file.
11573
11574 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
11575
11576         * config.gcc (extra_options): New variable for listing option files.
11577         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
11578         * configure.ac (extra_opt_files): New AC_SUBST variable.
11579         (tm_file_list, tm_include_list): Include options.h first.
11580         * configure: Regenerate.
11581         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
11582         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
11583         (s-options-h): New rule.
11584         (options.h): Depend on it.
11585         (TEXI_GCCINT_FILES): Add options.texi.
11586         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
11587         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
11588         * target.h (gcc_target): Add default_target_flags and handle_option.
11589         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
11590         (TARGET_HANDLE_OPTION): New macros.
11591         (TARGET_INITIALIZER): Include them.
11592         * opt-functions.awk (opt_args, nth_arg): New functions.
11593         (switch_flags): Handle the "Target" flag.
11594         (var_args): Delete.
11595         (var_name): Use opt_args and nth_arg.
11596         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
11597         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
11598         macros for the "Mask" and "InverseMask" options.
11599         * opts.h (cl_var_cond): New enum.
11600         (cl_option): Replace the "has_set_value" and "set_value" fields with
11601         "var_cond" and "var_value".
11602         (CL_TARGET): New macro.
11603         (option_enabled, print_filtered_help): Declare.
11604         (decode_options): Move definition.
11605         * opts.c (handle_option): Search for the original option before
11606         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
11607         var_cond and var_value fields.  Use targetm.handle_option to handle
11608         target options.
11609         (decode_options): Set target_flags to targetm.default_target_flags.
11610         (print_filtered_help): Make global.  Handle CL_TARGET.
11611         (option_enabled): New function.
11612         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
11613         (display_target_options, set_target_switch, print_switch_values)
11614         (default_pch_valid_p): Guard uses of target_switches with
11615         #ifdef TARGET_SWITCHES.  Also...
11616         (display_target_options): Display the CL_TARGET entries in cl_options.
11617         (set_target_option): Don't complain about the "" option when
11618         TARGET_SWITCHES is undefined.
11619         (print_switch_values): Use option_enabled.
11620         (default_pch_valid_p): Check cl_options[] when looking for something
11621         that has changed the value of target_flags.
11622         * c.opt: Remove documentation from top of file.
11623         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
11624         * doc/sourecebuild.texi: Refer to the new options documentation
11625         instead of c.opt.  Document machine-specific .opt files.
11626         * doc/tm.texi (target_flags): Say that this variable is declared
11627         by options.h.
11628         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
11629         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
11630         an alternative.
11631         * doc/options.texi: New file.
11632
11633 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
11634
11635         PR middle-end/18628
11636         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
11637         register.
11638
11639 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
11640
11641         PR c++/20280
11642         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
11643         temporary variable of pointer type if an lvalues is required.
11644         (gimplify_modify_expr_rhs): Request an rvalue from it.
11645         (gimplify_expr): Pass fallback on.
11646
11647 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11648
11649         * cfgbuild.c: Update comments.
11650
11651 2005-03-14  Roger Sayle  <roger@eyesopen.com>
11652
11653         PR rtl-optimization/17236
11654         * optabs.c (expand_doubleword_mult): New helper function split out
11655         from expand_binop.  Permute the order in which instructions are
11656         emitted to minimize the number of simultaneously live registers.
11657         (expand_binop): Call expand_doubleword_mult to synthesize a double
11658         word multiplication.
11659
11660 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11661
11662         * basic-block.h: Update the prototypes of cached_make_edge and
11663         rtl_make_eh_edge.
11664         * cfg.c (cached_make_edge): Take edge_cache representing one
11665         row of the adjacency matrix of edges.
11666         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
11667         (make_edges): Initialize edge_cache to represent one row of
11668         the adjacency matrix of edges.
11669
11670 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11671
11672         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
11673         New functions.
11674         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
11675         Remove unused removed_phis variable.
11676         (conditional_replacement): Use build1/build2.
11677         (abs_replacement): Use last_and_only_stmt and build1/build2.
11678
11679 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11680
11681         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
11682         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
11683         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
11684         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
11685         * c-common.c (handle_novops_attribute): New function.
11686         (c_common_attribute_table): Add "no vops" entry.
11687         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
11688         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
11689         * tree-ssa-operands.c (get_call_expr_operands): Do not
11690         create virtual operands for calls with ECF_NOVOPS flag.
11691         * tree.h (DECL_IS_NOVOPS): New macro.
11692         (struct tree_decl): Add novops_flag.
11693         (ECF_NOVOPS): New constant.
11694
11695 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
11696
11697         PR target/17688
11698         * config/i386/i386.c (x86_use_himode_fiop): New.
11699         (x86_use_simode_fiop): Rename from x86_use_fiop.
11700         * config/i386/i386.h (x86_use_himode_fiop): Declare.
11701         (TARGET_USE_HIMODE_FIOP): New.
11702         (x86_use_simode_fiop): Rename from x86_use_fiop.
11703         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
11704
11705         * config/i386/i386.md (X87MODEI12): New mode macro define.
11706         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
11707         to implement x87 FP compare with HImode input operands.
11708         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
11709         Use X87MODEI12 mode macro to handle HImode input operands.
11710         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
11711         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
11712         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
11713         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
11714         macro to implement x87 operators with HImode input operands.
11715         (fop splitters): Use X87MODEI12 mode macro to handle HImode
11716         input operands.
11717
11718 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11719
11720         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
11721         integer_zerop.
11722         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
11723         constants invariant.
11724
11725 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
11726
11727         * basic-block.h (BB_VISITED): Removed.
11728         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
11729
11730 2005-03-14  Falk Hueffner  <falk@debian.org>
11731
11732         PR bootstrap/20424
11733         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
11734
11735 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11736
11737         * ggc-zone.c: Fix comment typos.
11738
11739         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
11740         stringpool.c, config/mips/mips-protos.h: Update copyright.
11741
11742 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
11743
11744         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
11745         throughout with its typedef, "rtx".
11746         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
11747         (rs6000_tls_symbol_ref_1): Remove inline keyword.
11748         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
11749         regs in comment to match code.
11750
11751 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
11752
11753         * except.c (check_handled): Make it static.
11754         * except.h: Remove the corresponding prototype.
11755
11756         * function.c (get_func_frame_size): Make it static.
11757         * function.h: Remove the corresponding type.
11758
11759         * regclass.c (reg_class_superclasses, reg_class_subclasses):
11760         Make them static.
11761         * hard-reg-set.h: Remove the corresponding declarations.
11762
11763         * tree-cfg.c (verify_stmts): Check that
11764         bb_for_stmt (stmt) == bb for every PHI node and statement.
11765
11766 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
11767
11768         * config.gcc: Remove excess indentation.
11769         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
11770
11771 2005-03-13  Roger Sayle  <roger@eyesopen.com>
11772
11773         PR middle-end/19331
11774         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
11775         * fold-const.c (fold_sign_changed_comparison): Likewise.
11776         (fold_binary): Optimize comparisons against widened operands if
11777         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
11778
11779 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
11780
11781         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
11782         (sparc_override_options): Initialize it.
11783         (sparc_struct_value_rtx): Set it on the MEM to be returned.
11784
11785 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
11786
11787         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
11788         (reg_or_none500mem_operand): New predicate.
11789         (zero_reg_mem_operand): New predicate.
11790         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
11791         to reg_or_none500mem_operand.
11792         (extendsfdf2_fpr): Add MEM alternative.
11793         (extenddftf2_internal): Change operand2 predicate to
11794         zero_reg_mem_operand.
11795
11796 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11797
11798         * ggc-zone.c: Rewritten.
11799
11800         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
11801         if there are none.
11802         * configure.ac: Define GGC_ZONE for --with-gc=zone.
11803         * config.in: Regenerated.
11804         * configure: Regenerated.
11805         * gengtype.c (write_types_process_field, write_func_for_structure):
11806         Pass new argument to gt_pch_note_object.
11807         * ggc-common.c (struct ptr_data): Add TYPE.
11808         (gt_pch_note_object): Take TYPE argument and save it.
11809         (call_count): Update call to ggc_pch_count_object.
11810         (call_alloc): Update call to ggc_pch_alloc_object.
11811         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
11812         file.
11813         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
11814         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
11815         (ggc_alloc_zone_stat): Delete.
11816         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
11817         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
11818         (ggc_pch_alloc_object): Update prototypes.
11819         (garbage_zone): Delete.
11820         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
11821         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
11822         pointers.
11823         (tree_id_zone): New variable.
11824         (ggc_alloc_cleared_zone): Remove unused.
11825         (ggc_alloc_zone): Define.
11826         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
11827         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
11828         ggc_alloc_zone_stat.
11829         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
11830         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
11831         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
11832         (make_node_stat): Likewise.  Use tree_id_zone.
11833
11834 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11835             Joseph S. Myers  <joseph@codesourcery.com>
11836
11837         * configure.ac: Check for MIPS TLS.
11838         * configure: Regenerated.
11839         * config/mips/mips-protos.h (enum mips_symbol_type): Add
11840         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
11841         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
11842         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
11843         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
11844         (mips_classify_symbol, mips_symbolic_constant_p)
11845         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
11846         (mips_tls_operand_p, mips_call_tls_get_addr)
11847         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
11848         (mips_tls_symbol_ref_1): New functions.
11849         (mips_legitimize_address, mips_legitimize_const_move): Call
11850         mips_legitimize_tls_address.
11851         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
11852         for MIPS16.
11853         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
11854         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
11855         (mips_char_to_class): Document V1_REG.
11856         (HAVE_AS_TLS): Provide default.
11857         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
11858         constants.
11859         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
11860         !TARGET_ABICALLS.
11861         (tls_get_tp_<mode>): New instruction.
11862
11863 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11864
11865         * configure.ac: Update checks for target tools.
11866         * configure: Regenerated.
11867
11868 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
11869
11870         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
11871
11872 2005-03-13  Roger Sayle  <roger@eyesopen.com>
11873
11874         * expmed.c (expand_mult): Use synthetic multiplication sequences for
11875         more classes of DImode multiplication by constant.  Allow both
11876         multiplication by small negative constants (by performing a
11877         multiplication by a positive constant and negating the result) and
11878         multiplications by large powers of two, by using a left shift.
11879
11880 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
11881
11882         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
11883         of basic blocks into work_stack.
11884
11885         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
11886         config/mips/vr.h: Update copyright.
11887
11888         * c-decl.c (c_init_decl_processing): Remove useless calls to
11889         build_function_type.
11890
11891         * builtins.c (fold_trunc_transparent_mathfn,
11892         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
11893         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11894         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
11895         fold_builtin_strcpy, fold_builtin_strncpy,
11896         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
11897         TREE_TYPE (exp).
11898
11899         * builtins.c (expand_builtin_mathfn_3): Remove local variable
11900         before_call.
11901
11902         * lambda-code.c (lambda_compute_auxillary_space): Remove local
11903         variable determinant.
11904
11905         * tree-cfg.c (group_case_labels): Remove local variable type.
11906
11907         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
11908         variable ann.
11909
11910         * tree-ssa-phiopt.c (value_replacement): Remove local variable
11911         result.
11912
11913 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
11914
11915         PR target/18251
11916         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
11917         (*movmemqi_insn): Delete.
11918         (*movmemhi): Delete.
11919
11920 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
11921
11922         * builtins.c (fold_builtin_classify): Take decomposed
11923         arguments of CALL_EXPR.
11924         (fold_builtin_1): Update a call to fold_builtin_classify.
11925
11926 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
11927
11928         PR c/20402
11929         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
11930         through into call to parser_xref_tag after parse error.
11931         (c_parser_struct_declaration): Consistently return NULL_TREE on
11932         error.
11933
11934 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
11935
11936         * tree-flow-inline.h (ref_contains_array_ref): New function.
11937         (lookup_subvars_for_var): Ditto.
11938         (get_subvars_for_var): Ditto.
11939         (var_can_have_subvars): Ditto.
11940
11941         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
11942         (struct subvar): New type.
11943
11944         * tree-dfa.c (okay_component_ref_for_subvars): New function.
11945
11946         * tree-optimize.c (init_tree_optimization_passes): Call
11947         pass_create_structure_vars.
11948
11949         * tree-ssa-alias.c: Include vec.h.
11950         (init_alias_info): Don't auto-clear call clobbered on struct-field
11951         tags.
11952         (compute_flow_insensitive_aliasing): Handle subvars.
11953         (group_aliases): Handle STRUCT_FIELD aliases.
11954         (setup_pointers_and_addressables): Ditto.
11955         Don't mark variables non-addressable if they still have
11956         addressable subvars.
11957         Also mark subvars addressable when the real variable is marked
11958         addressable.
11959         (add_pointed_to_var): Try to prune the pointed-to set by only
11960         pointing to subvars when possible.
11961         Otherwise, make sure we set addresses_needed and pt_vars to
11962         properly include subvars.
11963         (bitpos_of_field): New function.
11964         (push_fields_onto_fieldstack): Ditto.
11965         (get_or_create_used_part_for): Ditto.
11966         (create_overlap_variables_for): Ditto.
11967         (find_used_portions): Ditto.
11968         (create_structure_vars): Ditto.
11969         (pass_create_structure_vars): New structure.
11970
11971         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
11972         (get_expr_operands): Handle subvars.  Also try to turn
11973         COMPONENT_REF accesses into must-defs now that we can accurately
11974         portray it.
11975         (note_addressable): Try to only mark as addressable those subvars
11976         we know a COMPONENT_REF touches.
11977         (overlap_subvar): New function.
11978
11979         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
11980         Handle subvar storing.
11981         (vect_address_analysis): Update caller of vect_object_analysis.
11982
11983         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
11984
11985         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
11986         (STMT_VINFO_SUBVARS): New macro.
11987
11988         * common.opts: add flag_tree_salias.
11989
11990         * opts.c (decode_options): flag_tree_salias defaults to on.
11991
11992         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
11993
11994         * doc/tree-ssa.texi: Document structural alias analysis.
11995
11996 2005-03-12  Steven Bosscher  <stevenb@suse.de>
11997
11998         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
11999         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
12000         * tree-ssa-operands.c (get_expr_operands): Likewise.
12001         (get_expr_operands): Likewise for ERROR_MARK.
12002
12003 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
12004
12005         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
12006         var.
12007
12008         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
12009         removed_phis.
12010
12011         * tree-ssa-pre.c (compute_avail): Remove local variable val.
12012         (mark_operand_necessary): Remove local variable ver.
12013
12014         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
12015         variable prefix_len.
12016
12017         * value-prof.c (mod_subtract_transform): Remove local variable
12018         value.
12019
12020         * builtins.c (fold_builtin_exponent): Take decomposed
12021         arguments of CALL_EXPR.
12022         (fold_builtin_1): Update a call to fold_builtin_exponent.
12023
12024         * builtins.c (fold_builtin_logarithm): Take decomposed
12025         arguments of CALL_EXPR.
12026         (fold_builtin_1): Update a call to fold_builtin_logarithm.
12027
12028         * c-decl.c (c_init_decl_processing): Remove local variables
12029         ptr_ftype_void and ptr_ftype_ptr.
12030
12031         * gimplify.c (gimplify_expr): Remove local variables r0 and
12032         r1.
12033
12034         * reg-stack.c (move_for_stack_reg): Remove local variable
12035         push_insn.
12036         (compare_for_stack_reg): Remove local variable flags_user.
12037         (convert_regs_1): Remove local variable deleted.
12038
12039         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
12040         variable new_cond.
12041         (combine_blocks): Remove local variables exits and new_e.
12042
12043         * tree-inline.c (expand_call_inline): Remove local variable
12044         decl.
12045
12046         * tree-ssa-live.c (create_ssa_var_map,
12047         calculate_live_on_entry): Remove local variable snn.
12048
12049 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
12050
12051         * c-lex.c (c_lex_with_flags): Add parameter to call to
12052         cpp_spell_token.
12053
12054 2005-03-11  Per Bothner  <per@bothner.com>
12055
12056         * c-tree.h (struct c_declarator): New id_loc field.
12057         * c-pragma.h (c_lex_with_flags): Take position reference.
12058         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
12059         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
12060         (c_lex): Pass dummy location to c_lex_with_flags.
12061         * c-parser.c (c_lex_one_token): Set c_token's location using
12062         c_lex_with_flags, instead of input_location, which might be "ahead".
12063         (c_parser_direct_declarator): Set declarator's id_loc from
12064         c_token's id_loc.
12065         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
12066         declarator's id_loc, rather than probably-imprecise input_location.
12067         (build_id_declarator): Initialize c_declarator's id_loc field.
12068
12069 2005-03-11  Roger Sayle  <roger@eyesopen.com>
12070
12071         PR middle-end/20419
12072         * builtins.c (expand_builtin_signbit): Force the signbit's word
12073         into an integer register to avoid SUBREGs of floating point modes.
12074
12075 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
12076
12077         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
12078         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
12079         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
12080         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
12081
12082 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
12083
12084         PR rtl-optimization/20306
12085         * expr.c (emit_move_complex): Set try_int false if mode is
12086         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
12087         emit_block_move if try_int is true.
12088
12089 2005-03-11  Richard Henderson  <rth@redhat.com>
12090
12091         PR target/20415
12092         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
12093         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
12094         to match.
12095
12096 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
12097
12098         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
12099         (TARGET_FIX_VR4130): New macro.
12100         (TARGET_OPTIONS): Add -mfix-vr4130.
12101         (ISA_HAS_MACCHI): New macro.
12102         (ASM_SPEC): Add -mfix-vr4130.
12103         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
12104         (override_options): Handle mips_fix_vr4130_string.
12105         (mips_avoid_hazards): Clear all_noreorder_p
12106         if we're working around VR4130 errata and the macc alternatives
12107         are not available.
12108         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
12109         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
12110         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
12111         (MULTILIB_DEFAULTS): Remove leading "march=".
12112         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
12113         if no architecture option is given.
12114         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
12115         VR4130 multilibs.
12116         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
12117         * doc/invoke.texi: Document -mfix-vr4130.
12118
12119 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
12120
12121         * config/mips/mips.c (override_options): Only warn about -mint64
12122         deprecation if TARGET_INT64.
12123
12124 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12125
12126         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
12127         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
12128         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
12129         are non-specific regarding the nonnull parameter positions.
12130         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
12131         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
12132         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
12133         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
12134
12135         * builtins.def: Use the non-specific "nonnull" attibute lists.
12136
12137 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
12138
12139         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
12140         single_pred_edge, single_succ, single_pred): Improve comments.
12141
12142 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
12143
12144         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
12145         single_pred_edge, single_succ, single_pred): New inline functions.
12146         * bb-reorder.c (rotate_loop, find_traces_1_round,
12147         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
12148         duplicate_computed_gotos): Use the single_succ/pred functions.
12149         * cfganal.c (forwarder_block_p): Ditto.
12150         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
12151         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
12152         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
12153         merge_seq_blocks): Ditto.
12154         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
12155         * cfglayout.c (fixup_reorder_chain): Ditto.
12156         * cfgloop.c (mark_single_exit_loops, update_latch_info,
12157         canonicalize_loop_headers, verify_loop_structure): Ditto.
12158         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
12159         mfb_update_loops, create_preheader, force_single_succ_latches,
12160         create_loop_notes): Ditto.
12161         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
12162         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
12163         commit_one_edge_insertion, purge_dead_edges,
12164         cfg_layout_can_merge_blocks_p): Ditto.
12165         * except.c (sjlj_emit_function_enter): Ditto.
12166         * flow.c (init_propagate_block_info): Ditto.
12167         * function.c (thread_prologue_and_epilogue_insns): Ditto.
12168         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
12169         insert_insn_end_bb): Ditto.
12170         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
12171         find_if_case_2): Ditto.
12172         * lambda-code.c (perfect_nestify): Ditto.
12173         * lcm.c (optimize_mode_switching): Ditto.
12174         * loop-doloop.c (doloop_modify): Ditto.
12175         * loop-init.c (loop_optimizer_init): Ditto.
12176         * loop-iv.c (simplify_using_initial_values): Ditto.
12177         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
12178         * loop-unswitch.c (unswitch_loop): Ditto.
12179         * modulo-sched.c (generate_prolog_epilog): Ditto.
12180         * predict.c (combine_predictions_for_insn, estimate_probability,
12181         tree_estimate_probability, last_basic_block_p,
12182         estimate_bb_frequencies): Ditto.
12183         * profile.c (branch_prob): Ditto.
12184         * regrename.c (copyprop_hardreg_forward): Ditto.
12185         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
12186         * tracer.c (layout_superblocks): Ditto.
12187         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
12188         cfg_remove_useless_stmts_bb, cleanup_control_flow,
12189         cleanup_control_expr_graph, disband_implicit_edges,
12190         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
12191         tree_verify_flow_info, tree_make_forwarder_block,
12192         tree_forwarder_block_p, remove_forwarder_block,
12193         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
12194         * tree-if-conv.c (tree_if_conversion): Ditto.
12195         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
12196         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
12197         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
12198         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
12199         copy_loop_headers): Ditto.
12200         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
12201         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
12202         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
12203         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
12204         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
12205         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
12206         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
12207         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
12208         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
12209         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
12210         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
12211         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
12212         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
12213         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
12214         slpeel_add_loop_guard): Ditto.
12215
12216 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
12217
12218         PR tree-optimization/15784
12219         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
12220         and -1 - A to ~A.
12221
12222         * stmt.c (expand_case): Don't change index_type.  Convert minval
12223         to the proper type.
12224
12225         PR tree-optimization/20130
12226         * fold-const.c (fold): Fold x * -1 into -x.
12227
12228 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
12229
12230         PR rtl-optimization/20331
12231         * rtlanal.c (modified_between_p): Check its address first for MEM.
12232         (modified_in_p): Likewise.
12233
12234 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
12235
12236         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
12237
12238 2005-03-10  Steven Bosscher  <stevenb@suse.de>
12239
12240         * expr.c (expand_expr_real_1): If possible, use a conditional
12241         move for expanding MIN_EXPR and MAX_EXPR.
12242         Use temp for moving around rtx-en.
12243
12244 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
12245
12246         PR rtl-opt/20412
12247         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
12248         correct mode.
12249
12250 2005-03-10  Roger Sayle  <roger@eyesopen.com>
12251
12252         * builtins.c (expand_builtin_signbit): Extend to handle floating
12253         point modes wider than the largest integer type, using the
12254         operand_subword_force function to obtain the signbit's word.
12255
12256 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
12257
12258         PR target/20322
12259         * combine.c (try_combine): If recog_for_combine added CLOBBERs
12260         to NEWI2PAT, fail to combine if they are used by NEWPAT.
12261
12262 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
12263
12264         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
12265
12266 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
12267
12268         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
12269         type void.
12270         (perform_edge_inserts): Unconditionally call
12271         free_dominator_info.
12272
12273         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
12274
12275 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
12276
12277         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
12278
12279 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
12280
12281         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
12282
12283         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
12284         gcc_unreachable.
12285         (rtl_register_value_prof_hooks,
12286         tree_value_profile_transformations,
12287         tree_register_value_prof_hooks): Likewise.
12288         * var-tracking.c (stack_adjust_offset_pre_post,
12289         variable_htab_free, variable_union, dataflow_set_different_2,
12290         count_uses, variable_was_changed, set_frame_base_location,
12291         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
12292         vt_add_function_parameters): Likewise.
12293         * varasm.c (named_section_real, named_section, make_decl_rtl,
12294         asm_emit_uninitialised, assemble_integer, decode_addr_const,
12295         const_hash_1, compare_constant, copy_constant, force_const_mem,
12296         output_constant_pool_2, output_constant_pool_1, output_constant,
12297         output_constructor, make_decl_one_only, decl_tls_model,
12298         default_no_named_section, default_elf_select_section_1,
12299         default_unique_section_1): Likewise.
12300         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
12301         * vmsdbgout.c (addr_const_to_string): Likewise.
12302
12303         PR c++/20375
12304         * function.c (struct assign_parm_data_one): Remove last_named
12305         field.
12306         (assign_parm_find_data_types): Don't determine last_named.
12307         Reorder named_parm determination.
12308         (assign_parms): Only setup varargs on the last non-varadic
12309         parameter.
12310
12311 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
12312
12313         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
12314         sda base address on medium model.
12315
12316 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
12317
12318         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
12319         * cfgloop.c (flow_loop_nodes_find): Export.
12320         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
12321         Declare.
12322         * cfgloopmanip.c (fix_loop_structure): New function.
12323         * predict.c (predict_loops): Clean up the loops information.
12324         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
12325         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
12326         loop structure.
12327         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
12328         (rewrite_into_loop_closed_ssa): Declaration changed.
12329         * tree-loop-linear.c (linear_transform_loops): Add argument to
12330         rewrite_into_loop_closed_ssa call.
12331         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12332         * tree-ssa-loop-im.c (move_computations): Ditto.
12333         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12334         * tree-vectorizer.c (vectorize_loops): Ditto.
12335         * tree-optimize.c: Include cfgloop.h.
12336         (execute_todo): Choose whether to call cleanup_tree_cfg or
12337         cleanup_tree_cfg_loop.
12338         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
12339         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
12340         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
12341         cleanup_tree_cfg_loop call.
12342         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
12343         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
12344         work on part of cfg.
12345
12346 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
12347
12348         PR inline-asm/20314
12349         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
12350         with multiple alternatives.
12351
12352         * stmt.c (parse_output_constraint): Fix a typo.
12353
12354 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
12355
12356         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
12357         assembly directive instead of deprecated "no-generics".
12358
12359 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
12360
12361         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
12362         for non-offsettable memory references to cope with outstanding reload
12363         replacements.
12364         * config/s390/s390.md ("reload_outti"): Call find_replacement to
12365         avoid losing outstanding address reloads.
12366         ("reload_outdi", "reload_outdf"): Likewise.
12367
12368 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12369
12370         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
12371         code.  Add more cbrt transformations.
12372
12373 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12374
12375         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
12376
12377 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
12378
12379         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
12380         NULL_TREE when a given tree is not simplified.
12381         (fold): Return the original tree when any of the functions
12382         mentioned above NULL_TREE.
12383
12384         * fold-const.c (fold_unary, fold_binary): Take decomposed
12385         arguments, code, type, op0, and op1 in case of fold_binary.
12386         (fold): Update calls to fold_unary and fold_binary.
12387
12388 2005-03-09  Roger Sayle  <roger@eyesopen.com>
12389
12390         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
12391         a fndecl and an arglist instead of a CALL_EXPR, exp.
12392
12393 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
12394
12395         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
12396
12397         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
12398
12399         * expr.c (expand_assignment): Remove orig_to_rtx.
12400
12401         * fold-const.c (int_const_binop): Remove no_overflow.
12402
12403         * ifcvt.c (noce_emit_move_insn): Remove inmode.
12404
12405         * loop-iv.c (get_biv_step_1): Remove lhs.
12406
12407         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
12408
12409         * real.c (real_nan): Remove neg.
12410
12411         * function.c (thread_prologue_and_epilogue_insns): Remove i
12412         and newinsn.
12413
12414         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
12415         tb.
12416
12417         * tree-eh.c (tree_could_trap_p): Remove idx.
12418
12419         * tree-into-ssa.c (ann): Remove ann.
12420
12421         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
12422
12423         * tree-sra.c (decide_block_copy): Remove inst_count.
12424
12425         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
12426
12427         * tree-ssa-loop-im.c (lhs): Remove.
12428
12429         * cfgbuild.c (state, STATE, SET_STATE,
12430         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
12431         make_edges.
12432         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
12433         (find_basic_blocks): Set the state of each basic block to
12434         BLOCK_NEW.
12435
12436 2005-03-08  Jeff Law  <law@redhat.com>
12437
12438         * tree-cfg.c (cleanup_control_flow): If removal of a computed
12439         goto results in the removal of edges in the CFG, then we need
12440         to recompute dominators.
12441
12442 2005-03-09  Ben Elliston  <bje@au.ibm.com>
12443
12444         * c-common.c (c_do_switch_warnings): Comment fix.
12445
12446 2005-03-08  Julian Brown  <julian@codesourcery.com>
12447
12448         * Patch from 2005-03-08 reverted for causing regressions and
12449         ppc-darwin bootstrap failure.
12450
12451 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
12452
12453         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
12454         Define the real function for ppc-darwin.
12455         * c-typeck.c (convert_arguments): Check for target-specific
12456         invalid argument call to unprototyped function.
12457         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
12458         New Macro.
12459         * target.h (invalid_arg_for_unprototyped_fn): New field
12460         in struct calls.
12461         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
12462         default target hook.
12463         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
12464         Declare.
12465
12466 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
12467
12468         * c-typeck.c (constructor_stack, constructor_range_stack,
12469         initializer_stack): Make them static.
12470
12471         * cfg.c (rbi_pool): Make it static.
12472
12473         * gimple-low.c (lower_stmt_body): Make it static.
12474         * tree-flow.h: Remove the corresponding prototype.  Don't
12475         declare lower_data.
12476
12477         * sched-deps.c (cache_size): Make it static.
12478
12479         * stor-layout.c (lang_adjust_rli): Make it static.
12480
12481 2005-03-08  Julian Brown  <julian@codesourcery.com>
12482
12483         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
12484         from being used for symbols with vague linkage when
12485         HAVE_GAS_COMDAT_GROUP is true.
12486
12487 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
12488
12489         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
12490         nlabel == JUMP_LABEL (jump).
12491
12492 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
12493
12494         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
12495         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
12496         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
12497         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
12498
12499 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
12500
12501         PR c/14411
12502         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
12503         * c-common.c (handle_returns_twice): New function.
12504         (c_common_attribute_table): Declare eturns_twice' attribute.
12505         * doc/extend.texi: Document eturns_twice' attribute.
12506         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
12507         (struct tree_decl): Add returns_twice_flag.
12508
12509 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
12510
12511         * tree-ssa-phiopt.c: Fix a comment typo.
12512
12513         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
12514         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
12515         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
12516         copyright.
12517
12518 2005-03-08  Richard Henderson  <rth@redhat.com>
12519
12520         * config/alpha/alpha.c (code_for_builtin): Replace special-case
12521         builtin codes with ctzdi2, clzdi2, popcountdi2.
12522         (struct alpha_builtin_def): Add is_const.
12523         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
12524         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
12525         (alpha_init_builtins): Init them.  Set nothrow and const attributes
12526         on builtins.
12527         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
12528         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
12529         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
12530         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
12531         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
12532         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
12533         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
12534         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
12535         (TARGET_FOLD_BUILTIN): New.
12536         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
12537         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
12538         (ffsdi2): Use ctz.
12539         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
12540
12541 2005-03-08  Ira Rosen  <irar@il.ibm.com>
12542
12543         PR tree-optimization/20122
12544         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
12545         condition of access function instead of base.
12546
12547 2005-03-07  Jeff Law  <law@redhat.com>
12548             Steven Bosscher  <stevenb@suse.de>
12549
12550         * tree-cfg.c (find_taken_edge_computed_goto): New function.
12551         (find_taken_edge): Call find_taken_edge_computed_goto as
12552         appropriate.  Allow any gimple invariant rather than just
12553         INTEGER_CST for VAL.
12554         (cleanup_control_flow): Cleanup a computed goto which has turned
12555         into a simple goto.
12556         (tree_merge_blocks): If block B has any forced labels, move
12557         them to the start of block A.
12558         * tree-ssa-dom.c (thread_across_edge): Allow threading across
12559         computed gotos as well.
12560         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
12561         removal of unnecessary computed gotos too.
12562         (lookup_redirection_data): Fix type of INSERT argument.  Callers
12563         updated.
12564
12565 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
12566
12567         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
12568         Remove trailing spaces.
12569
12570         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
12571         unshare_all_trees): Make them static.
12572         * tree-gimple.h: Remove the corresponding prototypes.
12573
12574         * diagnostic.h: Remove unused prototype
12575         debug_output_buffer.
12576         * modulo-sched.c: Remove unused prototype
12577         set_row_column_for_ps.
12578
12579         * tree-ssa-phiopt.c (tree_ssa_phiopt,
12580         replace_phi_edge_with_variable): Remove unused variable i.
12581
12582 2005-03-07  Per Bothner  <per@bothner.com>
12583
12584         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
12585
12586 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
12587
12588         PR tree-opt/17671
12589         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
12590         bbs on the COND_EXPR instead of the PHI_NODEs.
12591         (candidate_bb_for_phi_optimization): Remove.
12592         (replace_phi_with_stmt): Rename to ...
12593         (replace_phi_edge_with_variable): this and change so that we
12594         replace the phi argument instead of removing the PHI.
12595         (conditional_replacement): Change so we deal with PHI with more
12596         than two arguments.
12597         (value_replacement): Likewise.
12598         (abs_replacement): Likewise.
12599
12600 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
12601
12602         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
12603         output_e500_flip_gt_bit.
12604
12605         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
12606         as bit 31.
12607         (rs6000_generate_compare): Fix logic to look at the correct bits.
12608         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
12609         Look at GT bit.
12610         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
12611         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
12612         gen_move_from_CR_gt_bit.
12613
12614         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
12615         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
12616         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
12617
12618         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
12619         (E500_CR_IOR_COMPARE): New constant.
12620
12621 2005-03-08  Earl Chew <earl_chew@agilent.com>
12622             David Billinghurst <David.Billinghurst@riotinto.com>
12623
12624         * config/i386/host-cygwin.c: New file to support precompiled
12625         headers on cygwin
12626         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
12627         * config.host: Use above files for cygwin host.
12628
12629 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
12630
12631         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
12632         ordering ops from earlier change.
12633
12634 2005-03-07  Per Bothner  <per@bothner.com>
12635
12636         Various fixes to allow us to again build if --enable-mapped-location:
12637         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
12638         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
12639         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
12640         local variable loc. Change logic appropriately.
12641         * tree-vect-transform.c (vect_finish_stmt_generation): Use
12642         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
12643         * c-parser.c (c_parser_for_statement): Initialize loc variable.
12644         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
12645         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
12646
12647 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
12648
12649         PR rtl-optimization/19683
12650         * reload1.c (choose_reload_regs): Pass the number of bits, not the
12651         number of bytes, to smallest_int_for_mode.  Fix arguments to
12652         REG_CANNOT_CHANGE_MODE_P.
12653
12654 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
12655
12656         * reorg.c (relax_delay_slots): Check that the jump is
12657         conditional before trying to invert it.
12658
12659 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
12660
12661         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
12662         Make them static.
12663
12664         * calls (stack_arg_under_construction): Make it static.
12665
12666         * flow.c (regs_live_at_setjmp): Make it static.
12667         * flow.h: Remove the corresponding prototype.
12668
12669         * reload1.c (reload_startobj, reload_firstobj,
12670         something_needs_operands_changed, reload_inherited,
12671         reload_inheritance_insn, reload_override_in,
12672         reload_spill_index): Make them static.
12673
12674         * recog.c (verify_changes): Make it static.
12675         * recog.h: Remove the corresponding prototype.
12676
12677         * cfgbuild.c (find_sub_basic_blocks): Remove.
12678         * basic-block.h: Remove the corresponding prototype.
12679         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
12680         in comments.
12681         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
12682
12683         * tree-ssa-operands.c (check_build_stmt): Remove.
12684
12685         * stor-layout.c (set_alignment): Remove.
12686         * tree.h: Remove the corresponding prototype.
12687
12688         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
12689
12690         * tree-ssa-dce.c (control_dependence_map,
12691         visited_control_parents): Make them static.
12692
12693         * cfghooks.c (verify_flow_info): Remove local variable
12694         num_bb_notes.
12695
12696         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
12697         last_bb_seen.
12698
12699         * loop-unswitch.c (unswitch_loop): Remove local variable src.
12700
12701 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
12702
12703         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
12704
12705 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
12706
12707         * config/ia64/hpux.h (LINK_SPEC): Add -z.
12708         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
12709         PARALLEL for an empty structure.
12710
12711 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
12712
12713         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
12714
12715         * fold-const.c (fold_binary): Unroll the very first "for"
12716         loop.
12717
12718 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
12719
12720         * config/rs6000/predicates.md (branch_comparison_operator): Remove
12721         redundant match_code test.
12722         (scc_comparison_operator): Swap match_operand and match_code
12723         tests.
12724         (branch_positive_comparison_operator): Same.
12725         (trap_comparison_operator): Use comparison_operator and swap with
12726         match_code test.
12727
12728 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
12729
12730         PR target/20288
12731         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
12732         (out_movhi_r_mr): Read low byte of volatile MEM first.
12733         (out_movhi_mr_r): Write high byte of volatile MEM first.
12734
12735 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
12736
12737         * cselib.c (reg_values, reg_values_size): Make them static.
12738
12739         * cse.c (cse_reg_info_table): Make it static.
12740
12741         * fold-const.c (fold_unary): Use build1 instead of copy_node.
12742
12743 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
12744
12745         * cse.c (find_best_addr): Use canon_for_address.
12746
12747 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
12748
12749         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
12750         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
12751         SUBREG and MEM, respectively.
12752
12753         * fold-const.c (fold_binary): Use code instead of t.
12754
12755         * fold-const.c (optimize_minmax_comparison): Take decomposed
12756         arguments code, type, op0, and op1 instead of t.
12757         (fold_binary): Update a call to optimize_minmax_comparison.
12758
12759         * fold-const.c (fold_range_test): Take decomposed arguments
12760         code, type, op0, and op1 instead of t.
12761         (fold_binary): Update a call to fold_range_test.
12762
12763         * fold-const.c (fold_binary_op_with_conditional_arg): Take
12764         decomposed arguments code, type, op0, and op1 instead of t.
12765         (fold_binary): Update a call to fold_range_test.
12766
12767 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
12768
12769         * fold-const.c (fold_binary): Avoid directly using the original
12770         expression t as much as possible.
12771
12772 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
12773
12774         * c-semantics.c (build_stmt): Use TYPE_P instead of
12775         IS_NON_TYPE_CODE_CLASS.
12776         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
12777         (NON_TYPE_CHECK): Use TYPE_P instead of
12778         IS_NON_TYPE_CODE_CLASS.
12779
12780         * fold-const.c (fold): Remove handling of binary expressions.
12781
12782 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
12783
12784         * doc/c-tree.texi: Wrap comments in @r{}.
12785         * doc/cpp.texi: Likewise.
12786         * doc/cppinternals.texi: Likewise.
12787         * doc/extend.texi: Likewise.
12788         * doc/md.texi: Likewise.
12789         * doc/objc.texi: Likewise.
12790         * doc/sourcebuild.texi: Likewise.
12791         * doc/tm.texi: Likewise.
12792         * doc/tree-ssa.texi
12793
12794 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
12795
12796         * predict.c (apply_return_prediction): Standardize PHI chain
12797         walking.
12798         * tree-ssa.c (ssa_redirect_edge): Likewise.
12799
12800         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
12801         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
12802         Update copyright.
12803
12804         * tree-phinodes.c (remove_phi_node): Drop the last argument.
12805         * tree-flow.h: Adjust the prototype for remove_phi_node.
12806         * lambda-code.c (perfect_nestify): Adjust a call to
12807         remove_phi_node.
12808         * tree-cfg.c
12809         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
12810         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
12811         Likewise.
12812         * tree-ssa-dce.c (remove_dead_phis): Likewise.
12813         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12814         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12815         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
12816
12817         * combine.c (simplify_and_const_int): Use gen_int_mode instead
12818         of GEN_INT (trunc_int_for_mode (...)).
12819         * loop-iv.c (iv_number_of_iterations): Likewise.
12820         * postreload.c (reload_cse_move2add): Likewise.
12821         * simplify-rtx.c (simplify_const_unary_operation,
12822         simplify_const_binary_operation): Likewise.
12823         * stor-layout.c (get_mode_bounds): Likewise.
12824
12825         * fold-const.c (fold_binary): New.
12826         (fold): Call fold_binary on binary expressions.
12827
12828 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
12829
12830         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
12831         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
12832         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
12833         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
12834         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
12835
12836 2005-03-04  Devang Patel  <dpatel@apple.com>
12837
12838         PR tree-optimization/18815
12839         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
12840         loops with zero exit edges.
12841
12842 2005-03-04  Devang Patel  <dpatel@apple.com>
12843
12844         * doc/invoke.texi: Remove reference to webpage that does not exist.
12845
12846 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
12847             Joseph S. Myers  <joseph@codesourcery.com>
12848
12849         PR c++/19797
12850         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
12851         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
12852         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
12853         * pa.c (get_plabel): Change argument to symbol_ref.  Call
12854         maybe_get_identifier instead of get_identifier.
12855         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
12856         (struct deferred_plabel): Replace name field with symbol field.
12857         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
12858         ASM_OUTPUT_EXTERNAL_REAL is defined.
12859         (output_global_address): Use output_addr_const for output of all
12860         symbol_refs.
12861         (output_deferred_plabels): Use symbol_ref instead of name for address
12862         output.
12863         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
12864         ASM_OUTPUT_SYMBOL_REF): New macros.
12865         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
12866         comment.
12867         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
12868         label.
12869
12870 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
12871
12872         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
12873         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
12874
12875 2005-03-04  Jeff Law  <law@redhat.com>
12876
12877         * basic-block.h (rediscover_loops_after_threading): Declare.
12878         * tree-ssa-dom.c: Include cfgloop.h.
12879         (tree_ssa_dominator_optimize): Discover loops and some basic
12880         properties.  Remove forwarder blocks recreated by loop header
12881         canonicalization.  Also mark backedges in the CFG.
12882         * tree-ssa-threadupdate.c: Include cfgloop.h
12883         (rediscover_loops_after_threading): Define.
12884         (struct local_info): New field, JUMP_THREADED.
12885         (prune_undesirable_thread_requests): New function.
12886         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
12887         then record that fact for the callers of redirct_edges.
12888         (thread_block): If BB has incoming backedges, then call
12889         prune_undesirable_thraed_requests.    Note when we are
12890         going to have to rediscover loop information.  Return a
12891         boolean indicating if any jumps were threaded.
12892         (thread_through_all_blocks): Bubble up boolean indicating
12893         if any jumps were threaded.
12894         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
12895         (tree-ssa-threadupdate.o): Similarly.
12896
12897 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
12898
12899         * fold-const.c (fold_ternary): Unroll the "for" loop to
12900         extract operands.
12901
12902 2005-03-04  Andrew Haley  <aph@redhat.com>
12903
12904         * unwind-dw2-fde-glibc.c (struct
12905         unw_eh_callback_data.check_cache): New field.
12906         (frame_hdr_cache): New.
12907         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
12908         Cache frame header info.
12909
12910 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
12911
12912         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
12913         (print_c_condition): Declare.
12914         * read-rtl.c (ptr_loc): New structure.
12915         (ptr_locs, ptr_loc_obstack, joined_conditions)
12916         (joined_conditions_obstack): New variables.
12917         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
12918         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
12919         (join_c_conditions, print_c_condition): New functions.
12920         (apply_macro_to_string): Associate the new string with the same
12921         source location as the old one.
12922         (add_condition_to_string): Use join_c_conditions.
12923         (read_string): Use set_rtx_ptr_loc to record a filename and line
12924         number for the string.
12925         (read_rtx): Initialize the new variables above.
12926         * genattrtab.c (write_test_expr, write_attr_value): Use
12927         print_c_condition.
12928         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
12929         comment above the GCC_VERSION check.
12930         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
12931         Inline the definition of MAYBE_EVAL.
12932         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
12933         * genoutput.c (process_template): Likewise.
12934         * genpreds.c (write_predicate_subfunction): Likewise.
12935         (write_predicate_expr): Use print_c_condition.
12936         * genrecog.c (write_cond): Likewise.
12937         * gensupport.c (process_rtx): Use join_c_conditions to join the
12938         conditions of a define_insn_and_split.  Record a source location
12939         for the string after the "&&".
12940         (alter_test_for_insn): Use join_c_conditions.
12941
12942 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
12943
12944         Revert for now:
12945         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
12946         PR tree-optimization/15784
12947         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
12948         and -1 - A to ~A.
12949
12950 2005-03-04  Ben Elliston  <bje@au.ibm.com>
12951
12952         * gcc.c (option_map): Add --coverage.
12953         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
12954         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
12955         * config/darwin.h: Pass -lgcov for `coverage'.
12956         * doc/invoke.texi (Debugging Options): Document --coverage.
12957
12958 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
12959
12960         * gcse.c (bypass_block): Use find_edge wherever possible.
12961
12962 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
12963
12964         Fix PR debug/20253
12965
12966         * c-opts.c (c_common_parse_file): Call start_source_file
12967         and end_source_file at the approriate times.
12968
12969         * dwarf2out.c (dwarf2out_finish): Don't auto-end
12970         the main file, it will be done for us now.
12971
12972 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
12973
12974         * fold-const.c (fold_ternary): New.
12975         (fold): Call fold_ternary on ternary expressions.  Remove
12976         handling of ternary expressions.
12977
12978 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
12979
12980         PR tree-optimization/15784
12981         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
12982         and -1 - A to ~A.
12983
12984 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
12985
12986         * config/rs6000/predicates.md (branch_comparison_operator):
12987         Convert from C block to conditional format.
12988
12989 2005-03-03  Jan Hubicka  <jh@suse.cz>
12990
12991         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
12992         and non-constant public variables.
12993
12994 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
12995
12996         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
12997         with LABEL_EXPR.
12998
12999         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
13000         EDGE_I.
13001
13002         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
13003         calls to release_ssa_name and release_phi_node.
13004
13005         * fold-const.c (fold): Remove handling of unary expressions.
13006
13007         * fold-const.c (fold_unary): Avoid directly using the original
13008         expression t as much as possible.
13009
13010 2005-03-03  Roger Sayle  <roger@eyesopen.com>
13011             Andrew Pinski  <pinskia@physics.uc.edu>
13012
13013         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
13014         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
13015
13016 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
13017
13018         Describe special registers SRP and MOF as allocatable registers.
13019         * config/cris/cris.c (cris_md_asm_clobbers): New function.
13020         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
13021         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
13022         TARGET_HAS_MUL_INSNS.
13023         (cris_print_operand) <case 'd'>: New case.
13024         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
13025         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
13026         define.
13027         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
13028         (REG_ALLOC_ORDER): Update for MOF.
13029         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
13030         SPECIAL_REGS.
13031         (GENERAL_REGS): No longer a define of ALL_REGS.
13032         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
13033         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
13034         Adjust accordingly.
13035         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
13036         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
13037         (SECONDARY_RELOAD_CLASS): Define.
13038         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
13039         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
13040         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
13041         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
13042         (REGISTER_MOVE_COST): Define.
13043         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
13044         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
13045         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
13046         (CRIS_MOF_REGNUM): New define_constants.
13047         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
13048         special registers.
13049         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
13050         New patterns.
13051         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
13052         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
13053         Adjust for MOF being properly described as a register.
13054         (indir_to_reg_split): Name this split.  Conditionalize on the
13055         destination register being a general register.
13056         (movei): Conditionalize on on operands 0 and 1 having the same
13057         register class.
13058
13059 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
13060
13061         PR target/20277
13062         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
13063         -mcpu to override any other explicitly given flags.
13064
13065 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
13066
13067         * recog.c (verify_changes, confirm_change_group): New functions,
13068         broken out of apply_change_group.
13069         (apply_change_group): Use them.
13070         * recog.h (verify_change, confirm_change_group): Declare.
13071         * rtl.h (redirect_jump_2): Declare.
13072         * jump.c (redirect_exp, invert_exp): Delete.
13073         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
13074         (redirect_jump_2): New function, broken out of redirect_jump.
13075         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
13076         (invert_jump): Use invert_jump_1 and redirect_jump_2.
13077         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
13078
13079 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
13080
13081         * varasm.c (named_section): Use xstrdup rather than doing it by
13082         hand.
13083
13084         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
13085
13086 2005-03-02  Devang Patel  <dpatel@apple.com>
13087
13088         Undo PR tree-optimization/18815 fix.
13089
13090 2005-03-02  Devang Patel  <dpatel@apple.com>
13091
13092         PR tree-optimization/18815
13093         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
13094         loops with zero exit edges.
13095
13096 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
13097
13098         * cfg.c (connect_src, connect_dest, disconnect_src,
13099         disconnct_dest): New.
13100         (unchecked_make_edge, remove_edge, redirect_edge_succ,
13101         redirect_edge_pred): Use the new functions.
13102
13103         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
13104         free_dominance_info only when needed.
13105
13106 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
13107
13108         PR target/20276
13109         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
13110         (reg_or_sub_cint64_operand): Same.
13111
13112 2005-03-02  Jeff Law  <law@redhat.com>
13113
13114         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
13115         CFG_ALTERED in the main DOM iteration loop.
13116
13117 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
13118
13119         PR c++/19916
13120         * varasm.c (initializer_constant_valid_p): Allow conversions
13121         between OFFSET_TYPEs.  Tidy.
13122
13123 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
13124
13125         * config/cris/cris.md ("return"): Remove epilogue delay list
13126         sanity check.
13127
13128 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
13129
13130         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
13131         for Thumb.
13132         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
13133
13134 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
13135
13136         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
13137         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
13138         config/m68k/m68k.c, config/mips/mips.h,
13139         config/rs6000/rs6000-protos.h, doc/contrib.texi,
13140         doc/include/gcc-common.texi: Update copyright.
13141
13142         PR middle-end/18029 and PR middle-end/18030
13143         * expr.c (optimize_bitfield_assignment_op): Add a special case
13144         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
13145
13146         * fold-const.c (fold_unary): New.
13147         (fold): Call fold_unary on unary expressions.
13148
13149 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
13150
13151         * cgraph.h (struct cgraph_edge): Add prev_caller and
13152         prev_callee fields.
13153         (cgraph_node_remove_callees): Export.
13154         * cgraph.c (cgraph_create_edge): Initialize prev_caller
13155         and prev_callee.
13156         (cgraph_edge_remove_callee): New function.
13157         (cgraph_edge_remove_caller): Likewise.
13158         (cgraph_remove_edge): Use.
13159         (cgraph_redirect_edge_callee): Likewise.
13160         (cgraph_node_remove_callees): New function.
13161         (cgraph_node_remove_callers): Likewise.
13162         (cgraph_remove_node): Use.
13163         * tree-optimize.c (tree_rest_of_compilation): Use
13164         cgraph_node_remove_callees instead of manual loop.
13165         * cgraphunit.c (cgraph_finalize_function): Likewise.
13166         (cgraph_expand_function): Likewise.
13167         (cgraph_remove_unreachable_nodes): Likewise.
13168
13169 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
13170
13171         PR c/8927
13172         * c-tree.h (undeclared_variable, build_external_ref): Add extra
13173         argument.
13174         * c-decl.c (undeclared_variable): Take location as argument.
13175         * c-typeck.c (build_external_ref): Likewise.
13176         * c-parser.c (c_parser_postfix_expression): Pass location of
13177         identifier to build_external_ref.
13178
13179 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
13180
13181         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
13182         CCEQ mode for branch_positive_comparison_operator test.
13183         * config/rs6000/predicates (branch_comparison_operator): Revert to
13184         define_predicate.
13185         (scc_comparison_operator): Same.
13186         (branch_positive_comparison_operator): Same.
13187
13188 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
13189
13190         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
13191         (cris_delay_slots_for_epilogue): Remove.
13192         (save_last): Move into cris_target_asm_function_epilogue.
13193         (cris_target_asm_function_epilogue): Remove tests for file being
13194         NULL.
13195         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
13196         (cris_delay_slots_for_epilogue): Remove prototypes.
13197         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
13198         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
13199
13200 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
13201
13202         * config/rs6000/predicates.md (branch_comparison_operator): Change
13203         to define_special_predicate.
13204         (scc_comparison_operator): Same.
13205         (branch_positive_comparison_operator): Same.
13206
13207 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
13208
13209         * Makefile.in (tree-ssa-sink.o): New.
13210         (OBJS-common): Add tree-ssa-sink.o.
13211         * common.opt: Add -ftree-sink
13212         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
13213         * timevar.def (TV_TREE_SINK): new timevar.
13214         * tree-flow.h (is_hidden_global_store): Prototype.
13215         * tree-optimize.c (init_tree_optimization_passes): Add
13216         pass_sink_code.
13217         * tree-pass.h (pass_sink_code): New.
13218         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
13219         for non-obvious global store store to is_hidden_global_store, and
13220         call that new function.
13221         * tree-ssa-sink.c: New file.
13222         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
13223         * doc/passes.texi: Document forward store motion.
13224         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
13225         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
13226         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
13227         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
13228
13229 2005-03-01  Per Bothner  <per@bothner.com>
13230
13231         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
13232         and we have a non-zero column-number, add it to the message.
13233         Also factor out the diagnostic_kind_text.
13234
13235 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
13236
13237         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
13238         flow_loop_pre_header_scan, flow_loop_pre_header_find,
13239         flow_loop_scan): Removed.
13240         (flow_loop_dump): Do not dump removed fields.
13241         (flow_loop_free): Do not free removed fields.
13242         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
13243         (loop_exit_edge_p): New function.
13244         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
13245         num_pre_header_edges, entry_edges, num_entries, exit_edges,
13246         num_exits, exits_doms.
13247         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
13248         LOOP_EDGES, LOOP_ALL): Removed.
13249         (flow_loop_scan): Declaration removed.
13250         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
13251         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
13252         flow_loops_find.
13253         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
13254         (if_convert): Call flow_loops_find and flow_loops_free
13255         when calling mark_loop_exit_edges.
13256         * cfgloopanal.c (mark_loop_exit_edges): Moved from
13257         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
13258         free_dominance_info calls.
13259         * loop-init.c (flow_loops_find): Ditto.
13260         * passes.c (rest_of_handle_branch_prob): Ditto.
13261         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
13262         * loop-unroll.c (analyze_insns_in_loop): Do not use
13263         EDGE_LOOP_EXIT.
13264         * predict.c (predict_loops): Do not call flow_loop_scan.
13265         Use get_loop_exit_edges.
13266         (tree_estimate_probability): Do not pass flags to flow_loops_find.
13267         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
13268         Do not use EDGE_LOOP_EXIT.
13269         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
13270         to bb_with_exit_edge_p.
13271         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
13272         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
13273         to bb_with_exit_edge_p.
13274         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
13275         EDGE_LOOP_EXIT.
13276         * tree-loop-linear.c (linear_transform_loops): Do not call
13277         flow_loop_scan.  Use loop->single_exit.
13278         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
13279         (vect_analyze_loop_form): Do not call flow_loop_scan.
13280         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
13281         loop->single_exit.
13282         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
13283         loop->single_exit.
13284         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
13285         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
13286         slpeel_tree_duplicate_loop_to_edge_cfg,
13287         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
13288         Use loop_preheader_edge and loop->single_exit.  Do not call
13289         flow_loop_scan.
13290
13291 2005-03-01  Nick Clifton  <nickc@redhat.com>
13292
13293         * config/arm/arm.c (thumb_find_work_register): Check all of the
13294         argument registers to see if they are free, and a couple of
13295         special cases where the last argument register but can be proved
13296         to be available during the function's prologue.
13297         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
13298         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
13299         thumb_unexpanded_epilogue): Use unsigned long as the type for the
13300         register bit-mask.
13301         (thumb_compute_save_reg_mask): Likewise.  Also use
13302         thumb_find_work_register() to ensure that there is agreement about
13303         which work register is going to be used in the prologue.
13304         (thumb_output_function_prologue): Use unsigned long as the type
13305         for the register bit-mask.  Also delay pushing the link register if
13306         other high registers are going to be pushed.
13307         (thumb_compute_save_reg_mask, emit_multi_reg_push,
13308         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
13309         redundant prototypes.
13310
13311 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
13312
13313         PR target/19819
13314         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
13315         and after reload in REG+REG indexed addresses without REG_POINTER
13316         set in the base and not set in the index.
13317
13318 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
13319
13320         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
13321         Don't undefine here.
13322         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
13323         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
13324         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
13325         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
13326         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
13327         Delete.
13328         * config.gcc (sh*-*-linux*): Use config/linux.h.
13329
13330 2005-02-28  Dale Johannesen  <dalej@apple.com>
13331             Stan Shebs  <shebs@apple.com>
13332
13333         Rewrite of 64-bit Darwin structure-by-value pass/return.
13334         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
13335         intoffset, use_stack, named.
13336         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
13337         (rs6000_darwin64_record_arg_advance_flush):  New.
13338         (rs6000_darwin64_record_arg_advance_recurse): New.
13339         (rs6000_darwin64_record_arg_flush):  New.
13340         (rs6000_darwin64_record_arg_recurse):  New.
13341         (rs6000_darwin64_record_arg):  New.
13342         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
13343         (function_arg_boundary):  Handle 128-bit aligned structs.
13344         (function_arg_advance):  Rewrite darwin64 struct handling.
13345         (function_arg):  Call rs6000_darwin64_record_arg.
13346         (function_arg_partial_nregs):  Handle darwin64 structs.
13347         (rs6000_darwin64_function_value):  Remove.
13348         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
13349
13350 2005-02-28  Roger Sayle  <roger@eyesopen.com>
13351
13352         PR tree-optimization/20216
13353         * tree-chrec.c (tree_fold_factorial): Delete.
13354         (tree_fold_binomial): Change argument list to take a return type
13355         and change the type of K to unsigned int.  Rewrite to avoid explicit
13356         evaluation of factorials, and (recursively) calling fold to perform
13357         compile-time arithmetic.  Return NULL on (internal) overflow.
13358         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
13359         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
13360         if any intermediate calculation overflows.
13361         (chrec_apply): Update call to chrec_evaluate.
13362
13363 2005-02-28  James E Wilson  <wilson@specifixinc.com>
13364
13365         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
13366
13367 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
13368
13369         PR c/20245
13370         * c-parser.c (c_parser_compound_statement): Return error_mark_node
13371         instead of NULL_TREE on error.
13372
13373 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
13374
13375         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
13376         (EASY_VECTOR_15_ADD_SELF): Remove.
13377         (num_insns_constant_wide): Not static.
13378         (validate_condition_mode): Not static.
13379         (toc_relative_expr_p): Not static.
13380         (legitimate_indirect_address_p): Not static.
13381         (macho_lo_sum_memory_operand): Not static.
13382         (invalid_e500_subreg): Not static.
13383         (easy_vector_same): Not static.
13384         (easy_vector_splat_const): Not static.
13385         (RS6000_SYMBOL_REF_TLS_P): Remove.
13386         (any_operand): Delete.
13387         (any_parallel_operand): Delete.
13388         (count_register_operand): Delete.
13389         (altivec_register_operand): Delete.
13390         (xer_operand): Delete.
13391         (s8bit_cint_operand): Delete.
13392         (short_cint_operand): Delete.
13393         (u_short_cint_operand): Delete.
13394         (non_short_cint_operand): Delete.
13395         (exact_log2_cint_operand): Delete.
13396         (gpc_reg_operand): Delete.
13397         (cc_reg_operand): Delete.
13398         (cc_reg_not_cr0_operand): Delete.
13399         (reg_or_short_operand): Delete.
13400         (reg_or_neg_short_operand): Delete.
13401         (reg_or_aligned_short_operand): Delete.
13402         (reg_or_u_short_operand): Delete.
13403         (reg_or_cint_operand): Delete.
13404         (reg_or_arith_cint_operand): Delete.
13405         (reg_or_add_cint64_operand): Delete.
13406         (reg_or_sub_cint64_operand): Delete.
13407         (reg_or_logical_cint_operand): Delete.
13408         (got_operand): Delete.
13409         (got_no_const_operand): Delete.
13410         (easy_fp_constant): Delete.
13411         (easy_vector_constant): Delete.
13412         (easy_vector_constant_add_self): Delete.
13413         (zero_constant): Delete.
13414         (zero_fp_constant): Delete.
13415         (volatile_mem_operand): Delete.
13416         (offsettable_mem_operand): Delete.
13417         (mem_or_easy_const_operand): Delete.
13418         (add_operand): Delete.
13419         (non_add_cint_operand): Delete.
13420         (logical_operand): Delete.
13421         (non_logical_cint_operand): Delete.
13422         (mask_operand): Delete.
13423         (mask_operand_wrap): Delete.
13424         (mask64_operand): Delete.
13425         (mask64_2_operand): Delete.
13426         (and64_operand): Delete.
13427         (and64_2_operand): Delete.
13428         (and_operand): Delete.
13429         (reg_or_mem_operand): Delete.
13430         (lwa_operand): Delete.
13431         (symbol_ref_operand): Delete.
13432         (call_operand): Delete.
13433         (current_file_function_operand): Delete.
13434         (input_operand): Delete.
13435         (rs6000_nonimmediate_operand): Delete.
13436         (rs6000_tls_symbol_ref): Delete.
13437         (save_world_operation): Delete.
13438         (restore_world_operation): Delete.
13439         (load_multiple_operation): Delete.
13440         (store_multiple_operation): Delete.
13441         (vrsave_operation): Delete.
13442         (mfcr_operation): Delete.
13443         (mtcrf_operation): Delete.
13444         (lmw_operation): Delete.
13445         (stmw_operation): Delete.
13446         (branch_comparison_operator): Delete.
13447         (branch_positive_comparison_operator): Delete.
13448         (scc_comparison_operator): Delete.
13449         (trap_comparison_operator): Delete.
13450         (boolean_operator): Delete.
13451         (boolean_or_operator): Delete.
13452         (min_max_operator): Delete.
13453         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
13454         (EASY_VECTOR_15): Moved to here.
13455         (EASY_VECTOR_15_ADD_SELF): Move to here.
13456         (PREDICATE_CODES): Delete.
13457         * config/rs6000/rs6000-protos.h: Delete predicate functions.
13458         Declare functions no longer static.
13459         * config/rs6000/predicates.md: New.
13460         * config/rs6000/rs6000.md: Include predicates.md
13461
13462 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
13463
13464         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
13465         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
13466         REG_ALWAYS_RETURN.
13467         * cfgrtl.c (need_fake_edge_p): Likewise.
13468         * combine.c (distribute_notes): Likewise.
13469         * emit-rtl.c (try_split): Likewise.
13470         * recog.c (peephole2_opimize): Likewise.
13471         * reg-notes.def (ALWAYS_RETURN): Remove.
13472         * rtl.h (LCT_ALWAYS_RETURN): Remove.
13473         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
13474         * tree.h (ECF_ALWAYS_RETURN): Remove.
13475
13476 2005-02-28  Roger Sayle  <roger@eyesopen.com>
13477
13478         PR middle-end/19874
13479         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
13480         between different machine modes is never a "useless" conversion.
13481
13482 2005-02-28  Geert Bosch  <bosch@gnat.com>
13483
13484         PR ada/15977
13485         * doc/contrib.texi: List contributors for Ada front end
13486
13487 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
13488
13489         * simplify-rtx.c (simplify_unary_operation_1,
13490         simplify_const_unary_operation): New, extracted from...
13491         (simplify_unary_operation): ... this one.
13492         (simplify_binary_operation_1,
13493         simplify_const_binary_operation): New, extracted from...
13494         (simplify_binary_operation): ... this one.
13495         * rtl.h (simplify_const_unary_operation,
13496         simplify_const_binary_operation): Add prototypes.
13497
13498 2005-02-28  Julian Brown  <julian@codesourcery.com>
13499
13500         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
13501         building libjava and caused PR regression/20228.
13502
13503 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
13504
13505         PR bootstrap/17383
13506         * Makefile.in (host_subdir): New.
13507         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
13508         * configure: Regenerate.
13509
13510 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
13511
13512         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
13513         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
13514         installation directory first.
13515
13516 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
13517
13518         PR target/19065.
13519         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
13520         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
13521         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
13522         * config/cris/cris.md: Tweak comments referring to Q.
13523         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
13524         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
13525         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
13526         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
13527         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
13528         Insert spaces in constraints to align alternatives vertically for
13529         readability.
13530         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
13531         operand 1: "M".
13532
13533 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13534
13535         PR rtl-optimization/17728
13536         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
13537         operand 0 from general_operand to move_dest_operand.
13538
13539 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13540
13541         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
13542         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
13543         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
13544         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
13545
13546 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
13547
13548         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
13549         * configure: Regenerate.
13550         * libada-mk.in: Remove CC; rename
13551         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
13552
13553 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
13554
13555         PR tree-opt/20188
13556         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
13557         for the lhs, also walk over the tree.  Likewise for rhs.
13558
13559 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
13560
13561         * tree-ssa-dom.c (simple_iv_increment_p): New function.
13562         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
13563         Do not propagate value of iv before increment over the increment.
13564
13565 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
13566
13567         * c-parser.c: New file.
13568         * c-parse.in: Remove.
13569         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
13570         Remove.
13571         (c-parser.o): Add dependencies.
13572         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
13573         maintainer-clean, TAGS): Update.
13574         * c-config-lang.in (gtfiles): Update.
13575         * gengtype-lex.l: Don't handle "@@".
13576         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
13577         objc_build_synchronized, objc_begin_try_stmt,
13578         objc_begin_catch_clause, objc_finish_catch_clause,
13579         objc_build_finally_clause, objc_finish_try_stmt): New.
13580         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
13581         type_seen_p.
13582         (c_parse_init): Update comment.
13583         * c-decl.c (c_init_decl_processing): Update comment.
13584         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
13585         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
13586         new c_declspecs members.
13587
13588 2005-02-25  Julian Brown  <julian@codesourcery.com>
13589
13590         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
13591         from being used for symbols with vague linkage when
13592         HAVE_GAS_COMDAT_GROUP is true.
13593
13594 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
13595
13596         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
13597
13598 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
13599
13600         PR target/19930
13601         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
13602         (LIBGCC2_HAS_DF_MODE): New.
13603         (LIBGCC2_HAS_XF_MODE): New.
13604         (LIBGCC2_HAS_TF_MODE): New.
13605         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
13606         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
13607         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
13608         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
13609         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
13610         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
13611         and add _fixtfdi, _fixunstfdi, _floatditf
13612         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
13613         L_fixunstfdi, L_floatditf.
13614         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
13615         (LIBGCC2_HAS_TF_MODE): Define.
13616
13617 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
13618
13619         PR tree-optimization/20204
13620         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
13621         REWRITE_THIS_STMT markers on PHI nodes.
13622         (rewrite_initialize_block): Likewise.
13623
13624 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
13625
13626         * version.c (version_string): Update to 4.1.
13627
13628 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
13629
13630         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
13631         Clarify that the alternative way doesn't work in GNU C++.
13632
13633 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
13634
13635         PR tree-optimization/19937
13636         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
13637         to the type of the induction variable.
13638
13639 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
13640
13641         PR rtl-optimization/20117
13642         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
13643         the block including noncopyable insn.
13644
13645 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
13646
13647         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
13648         calls to find_reg_note.
13649
13650 2005-02-24  Richard Henderson  <rth@redhat.com>
13651
13652         PR tree-opt/20127
13653         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
13654         the type.
13655
13656 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
13657
13658         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
13659         vector types if to use base reg for misaligned non-word ld/std.
13660
13661 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
13662
13663         PR target/14619
13664         * config/cris/cris.c (cris_target_asm_function_prologue): Create
13665         dwarf2 label manually and put it after, not before the prologue.
13666
13667 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
13668
13669         PR target/19019
13670         * reload.c (operands_match_p): Only increment register number for
13671         SCALAR_INT_MODE_P modes in multiple hard registers.
13672
13673         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
13674         Fix formatting.
13675
13676 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
13677
13678         * ChangeLog.5: Fix log message typo(s).
13679         * ChangeLog.7: Likewise.
13680         * ChangeLog.tree-ssa: Likewise.
13681         * cfgexpand.c: Fix comment typo(s).
13682         * conflict.c: Likewise.
13683         * defaults.h: Likewise.
13684         * dwarf2out.c: Likewise.
13685         * gcse.c: Likewise.
13686         * ggc-page.c: Likewise.
13687         * tree-eh.c: Likewise.
13688         * tree-ssa-dom.c: Likewise.
13689
13690 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
13691
13692         PR target/19019
13693         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
13694         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
13695         if SHARED is defined.
13696
13697         PR target/20196
13698         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
13699         allow splitting only if operands 0 and 3 don't overlap.
13700
13701 2005-02-24  Richard Henderson  <rth@redhat.com>
13702
13703         PR middle-end/19953
13704         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
13705         (fold_builtin_1): Call them.
13706         * fold-const.c (fold_complex_mult_parts): Split out from ...
13707         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
13708         (fold_complex_div_parts, fold_complex_div): New.
13709         (fold): Use them.
13710         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
13711
13712 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
13713
13714         * tree-ssa-ccp.c (visit_assignment): Verify that result of
13715         VIEW_CONVERT_EXPR is_gimple_min_invariant.
13716
13717         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
13718         (print_node): Likewise.
13719         Print TYPE_SIZES_GIMPLIFIED.
13720
13721 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
13722
13723         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
13724         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
13725         operands as commutative in constraints.
13726
13727 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
13728
13729         * tree-into-ssa.c: Re-organize internal functions.
13730
13731 2005-02-24  Richard Henderson  <rth@redhat.com>
13732
13733         PR middle-end/18902
13734         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
13735         for c99.
13736         * common.opt (fcx-limited-range): New.
13737         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
13738         * toplev.c (flag_complex_method): Initialize to 1.
13739         (process_options): Set flag_complex_method to 0 if
13740         flag_cx_limited_range.
13741         * doc/invoke.texi (-fcx-limited-range): New.
13742
13743 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
13744
13745         * cse.c (delete_trivially_dead_insns): Speed up by using
13746         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
13747         prev_real_insn.
13748
13749 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
13750
13751         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
13752         functions when -mid-shared-library is being used.
13753
13754 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
13755
13756         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
13757         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
13758         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
13759         * system.h: Poison LINK_LIBGCC_SPECIAL.
13760
13761 2005-02-23  James E Wilson  <wilson@specifixinc.com>
13762
13763         * gengtype.c (note_insn_name): Make 1 element larger.
13764
13765 2005-02-23  Roger Sayle  <roger@eyesopen.com>
13766
13767         PR target/20018
13768         PR rtl-optimization/20097
13769         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
13770         BImode SUBREGs of SImode registers which confuse the ia64 backend.
13771
13772 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
13773
13774         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
13775         * t-aix52 (SHLIB_INSTALL): Same.
13776
13777 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
13778
13779         * genpreds.c: Update copyright.
13780
13781 2005-02-23  Michael Beach  <michaelb@ieee.org>
13782
13783         PR target/20159
13784         * config/sparc/t-elf (startup files): Assemble with CPP.
13785
13786 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
13787
13788         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
13789         (write_predicate_expr): Likewise.
13790
13791 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
13792
13793         PR tree-optimization/20100
13794         PR tree-optimization/20115
13795         * tree-optimize.c (init_tree_optimization_passes): Remove
13796         pass_maybe_create_global_var.
13797         * tree-pass.h (pass_maybe_create_global_var): Remove.
13798         * tree-ssa-alias.c (aliases_computed_p): Declare.
13799         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
13800         (count_calls_and_maybe_create_global_var): Remove.
13801         (pass_maybe_create_global_var): Remove.
13802         (init_alias_info): Do not declare aliases_computed_p.
13803         (maybe_create_global_var): If the function contains no
13804         call-clobbered variables and a mix of pure/const and regular
13805         function calls, create .GLOBAL_VAR.
13806         Mark all call-clobbered variables for renaming.
13807         (merge_pointed_to_info): Update comment.
13808         (add_pointed_to_var): Likewise.
13809         (is_escape_site): Likewise.
13810         Accept struct alias_info * instead of size_t *.
13811         Update all users.
13812         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
13813         as necessary.
13814         * tree-ssa-operands.c (get_call_expr_operands): If
13815         ALIASES_COMPUTED_P is false, do not add call-clobbering
13816         operands.
13817         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
13818         (delete_tree_ssa): Likewise.
13819
13820 2005-02-22  James E Wilson  <wilson@specifixinc.com>
13821
13822         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
13823         (do_compile): Do call it here.
13824
13825 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
13826
13827         PR rtl-optimization/20017.
13828         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
13829         rest_of_handle_cse2, rest_of_handle_gcse): Call
13830         delete_dead_jumptables immediately before calling cleanup_cfg.
13831
13832 2005-02-22  Devang Patel  <dpatel@apple.com>
13833
13834         PR 19952
13835         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
13836         all labels
13837
13838 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
13839
13840         * config/rs6000/aix.h (WINT_TYPE): Define.
13841
13842 2005-02-22  Stan Shebs  <shebs@apple.com>
13843
13844         * config/rs6000/rs6000.c (rs6000_override_options): Default to
13845         natural alignment for 64-bit Darwin.
13846         (rs6000_parse_alignment_option): Warn about uses of -malign-power
13847         on 64-bit Darwin.
13848         * doc/invoke.texi: Document this.
13849
13850 2005-02-22  DJ Delorie  <dj@redhat.com>
13851
13852         * c-common.c (c_common_type_for_mode): Pass the mode's precision
13853         to make_[un]signed_type, not the mode itself.
13854
13855 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
13856
13857         * cfg.c (cached_make_edge): Call make_edge if edge cache is
13858         not available.  Use tail calls wherever possible.
13859         (make_edge): Call unchecked_make_edge to create an edge.
13860
13861         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
13862         (coalesce_ssa_name): Don't check for
13863         SSANORM_USE_COALESCE_LIST.
13864         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
13865
13866 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
13867
13868         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
13869         (rewrite_into_ssa): ... here.
13870
13871 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
13872
13873         PR tree-optimization/19786
13874         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
13875         tag to another's may-alias bitmap when adding to the other's list.
13876
13877 2005-02-21  DJ Delorie  <dj@redhat.com>
13878
13879         * tree-ssa-loop-ivopts.c (computation_cost): Start register
13880         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
13881         registers in unsupported ways.
13882         * expmed.c (init_expmed): Likewise.
13883
13884 2005-02-21  Stan Cox  <scox@redhat.com>
13885
13886         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
13887
13888 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
13889
13890         * tree-cfg.c (fold_cond_expr_cond): New.
13891         (make_edges): Call fold_cond_expr_cond.
13892         (find_taken_edge): Accept nothing but INTEGER_CST.
13893         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
13894         and 1.
13895         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
13896
13897         * flow.c (delete_dead_jumptables): Speed up by scanning insns
13898         that do not belong to any basic block.
13899
13900 2005-02-21  Jeff Law  <law@redhat.com>
13901
13902         * cfganal.c (find_unreachable_blocks): Manually CSE load of
13903         e->dest.
13904
13905 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
13906
13907         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
13908         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
13909         Adjust their definitions.
13910         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
13911         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
13912
13913         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
13914         genautomata.c, langhooks.c, langhooks.h, system.h,
13915         config/arm/lib1funcs.asm: Update copyright.
13916
13917 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
13918
13919         * dbxout.c (dbxout_function_end): Emit Lscope label always.
13920
13921 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
13922
13923         PR bootstrap/13770
13924         * doc/install.texi: Document --with-gc.
13925
13926 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
13927
13928         * simplify-rtx.c (simplify_unary_operation): Add a missing
13929         "break" statement.
13930
13931 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
13932
13933         PR tree-optimization/18663
13934         * tree-ssa-dom.c (extract_range_from_cond): Return 0
13935         if the type has variable bounds.
13936
13937 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
13938
13939         * gcse.c: Remove an obsolete comment.
13940
13941         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
13942
13943 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
13944
13945         * doc/extend.texi (Function Attributes) <Attribute const>: The
13946         attribute "pure" is below this text, not above.
13947
13948 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13949
13950         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
13951         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
13952         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
13953
13954 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
13955
13956         PR 18785
13957         * langhooks.h (struct lang_hooks): Add to_target_charset.
13958         * langhooks.c (lhd_to_target_charset): New function.
13959         * langhooks-def.h: Declare lhd_to_target_charset.
13960         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
13961         (LANG_HOOKS_INITIALIZER): Update.
13962         * c-common.c (c_common_to_target_charset): New function.
13963         * c-common.h: Declare it.
13964         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
13965         c_common_to_target_charset.
13966
13967         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
13968         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
13969         Delete definitions.
13970         * system.h: Poison them.
13971         * doc/tm.texi: Don't discuss them.
13972         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
13973         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
13974         (pp_c_char): Do not attempt to generate letter escapes for
13975         newline, tab, etc.
13976         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
13977         * config/mips/mips.c (mips_output_ascii): Likewise.
13978
13979 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
13980
13981         PR tree-optimization/19951
13982         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
13983         is abnormal.
13984
13985 2005-02-19  Steven Bosscher  <stevenb@suse.de>
13986
13987         PR middle-end/19698
13988         * function.h (struct function): New field `max_loop_depth'.
13989         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
13990         (flow_loops_find): Reset the max loop depth count before finding loops.
13991         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
13992         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
13993         (calculate_global_regs_live): Make sure the loop will terminate
13994         when the initial sets are not empty.
13995
13996 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
13997
13998         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
13999         object inside.
14000         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
14001
14002 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
14003
14004         PR other/19525
14005         * doc/invoke.texi: Remove documentation of %M spec.
14006         * gcc.c: Likewise.
14007         (init_spec): Remove %M suffix from -lgcc_s.
14008         (do_spec_1): Remove 'M' case.
14009         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
14010         to put shared libraries in the multilib directory.  Remove the
14011         shlib_so_soname substitution variable.  Don't add a multilib encoding
14012         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
14013         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
14014         SHLIB_INSTALL as well as SHLIB_LINK.
14015         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
14016         (SHLIB_NAME): Delete.
14017         (SHLIB_DIR): New macro.
14018         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
14019         (SHLIB_INSTALL): Adjust accordingly.
14020         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
14021         * config/t-slibgcc-sld: Likewise.
14022         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
14023         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
14024         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
14025         in $(SHLIB_DIR).
14026         (SHLIBUNWIND_INSTALL): Adjust accordingly.
14027         * config/i386/t-nwld (SHLIB_SONAME): Delete.
14028         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
14029         Use @shlib_base_name@ instead of @shlib_so_name@.
14030         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
14031         and @shlib_base_name@.so in @multilib_dir@.
14032         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
14033         to the install path.
14034         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
14035         (SHLIB_LINK): Remove previous workaround.
14036         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
14037         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
14038         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
14039         the install path.
14040         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
14041         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
14042         (SHLIB_INSTALL): Adjust accordingly.
14043         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
14044         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
14045         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
14046         config/t-slibgcc-elf-ver.
14047
14048 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
14049             Jakub Jelinek  <jakub@redhat.com>
14050
14051         PR tree-optimization/19828
14052         * tree-ssa-loop-im.c: Add a TODO comment.
14053         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
14054         without side-effects.
14055
14056 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
14057
14058         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
14059         call fold_convert.
14060
14061 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
14062
14063         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
14064         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
14065         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
14066         functions.
14067         (ia64_reorg): Delete fixup_errata call.
14068         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
14069         (TARGET_SWITCHES): Delete -mb-step entry.
14070
14071 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
14072
14073         PR c/20043
14074         * c-typeck.c (composite_type): Handle quals in transparent unions.
14075         (type_lists_compatible_p): Likewise.
14076
14077 2005-02-18  Stan Shebs  <shebs@apple.com>
14078
14079         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
14080         expressions in the .literal8 section.
14081
14082 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
14083
14084         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
14085
14086 2005-02-18  Roger Sayle  <roger@eyesopen.com>
14087
14088         * fold-const.c (constant_boolean_node): Always create values of the
14089         specified type, don't bother calling truthvalue_conversion.
14090
14091 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
14092
14093         * except.c (output_function_exception_table): Call
14094         assemble_external_libcall (eh_personality_libfunc).
14095
14096 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
14097
14098         PR target/19886
14099         * config/ia64/ia64.h (struct machine_function): Add state_num.
14100         * config/ia64/ia64.c (process_epilogue,
14101         process_for_unwind_directive): Use new unwind state numbers each
14102         time rather than state 1.
14103
14104 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
14105
14106         PR target/20054
14107         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
14108         before the "*llgt_didi" pattern.
14109
14110 2005-02-18  Jason Merrill  <jason@redhat.com>
14111
14112         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
14113
14114 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
14115
14116         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
14117         (div0): Use it in place of ARM_FUNC_ALIAS.
14118         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
14119
14120 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
14121
14122         PR middle-end/20030
14123         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
14124         access, the lower bound of the array type if it exists.
14125
14126 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
14127
14128         PR c++/20008
14129         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
14130         cases that are out-of-range for the index type.
14131
14132 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
14133
14134         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
14135         (estimate_case_costs): Don't call convert.
14136         * expmed.c (expand_shift): Likewise.
14137         (make_tree): Call fold_convert instead of convert.
14138
14139 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
14140
14141         PR c++/19813
14142         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
14143         that ref to be marked MEM_READONLY_P doesn't have base that needs
14144         constructing.
14145
14146 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
14147
14148         * genautomata.c (output_get_cpu_unit_code_func,
14149         output_cpu_unit_reservation_p): Don't generate old-style function
14150         definitions.
14151
14152 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
14153
14154         PR c++/20023
14155         PR tree-optimization/20009
14156         * convert.c (convert_to_integer): Revert 2005-02-16 change.
14157
14158         PR tree-optimization/18947
14159         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
14160         inline, remove all nodes that are inlined into the extern inline
14161         being redefined.
14162
14163 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
14164
14165         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
14166         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
14167         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
14168         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
14169         Update copyright.
14170
14171 2005-02-17  Roger Sayle  <roger@eyesopen.com>
14172
14173         PR tree-optimization/19917
14174         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
14175         to be potentially trapping.
14176
14177 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
14178
14179         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
14180
14181 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
14182
14183         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
14184         tem becomes a local variable which is set to the value of the
14185         back end defined INITIAL_FRAME_ADDRESS macro.
14186         (expand_builtin_frame_address): Omit the base parameter to
14187         expand_builtin_return_addr.
14188         (expand_builtin_profile_func): Likewise.
14189         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
14190         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
14191         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
14192
14193 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
14194
14195         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
14196         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
14197         * config/frv/frv.c (frv_function_epilogue): Likewise.
14198
14199 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
14200
14201         * lambda-code (perfect_nestify): Remove mark/unmark
14202         for rewriting hack.
14203         * tree-loop-linear.c (linear_transform_loops): Add
14204         rewrite_into_ssa call so that ssa is correct for
14205         rewriting into loop closed.
14206
14207 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
14208
14209         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
14210         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
14211         BITMAP_FREE.
14212         * bt-load.c (btr_def_live_range, combine_btr_defs,
14213         migrate_btr_def, migrate_btr_defs): Likewise.
14214         * cfgcleanup.c (thread_jump): Likewise.
14215         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
14216         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
14217         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
14218         df_rd_local_compute, df_reg_info_compute): Likewise.
14219         * dominance.c (init_dom_info, free_dom_info): Likewise.
14220         * flow.c (init_propagate_block_info,
14221         free_propagate_block_info): Likewise.
14222         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
14223         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
14224         modify_reg_pav): Likewise.
14225         * loop-invariant.c (find_defs, find_invariant_insn,
14226         find_invariants, free_inv_motion_data): Likewise.
14227         * predict.c (tree_predict_by_opcode,
14228         estimate_bb_frequencies): Likewise.
14229         * stmt.c (expand_case): Likewise.
14230         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
14231         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
14232         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
14233         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
14234         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
14235         rewrite_ssa_into_ssa): Likewise.
14236         * tree-optimize.c (tree_rest_of_compilation): Likewise.
14237         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
14238         analyze_edges_for_bb, perform_edge_inserts): Likewise.
14239         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
14240         * tree-sra.c (tree_sra): Likewise.
14241         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
14242         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
14243         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
14244         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
14245         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
14246         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
14247         Likewise.
14248         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
14249         calculate_live_on_entry, calculate_live_on_exit,
14250         build_tree_conflict_graph): Likewise.
14251         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
14252         record_important_candidates, set_use_iv_cost, find_depends,
14253         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
14254         tree_ssa_iv_optimize_finalize): Likewise.
14255         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
14256         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
14257         tree_duplicate_loop_to_header_edge): Likewise.
14258         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
14259         * tree-ssa.c (verify_flow_insensitive_alias_info,
14260         verify_name_tags, verify_ssa, init_tree_ssa,
14261         delete_tree_ssa): Likewise.
14262         * tree-ssanames.c (marked_ssa_names, init_ssanames,
14263         fini_ssanames): Likewise.
14264         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
14265
14266 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
14267
14268         * config/rs6000/t-rtems: Completely reworked.
14269
14270 2005-02-17  Ira Rosen  <irar@il.ibm.com>
14271
14272         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
14273
14274 2005-02-17  Ira Rosen  <irar@il.ibm.com>
14275
14276         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
14277         POINTER_TYPE_P when checking that type is a pointer.
14278         (vect_get_memtag): Remove.
14279         (vect_address_analysis): Use POINTER_TYPE_P. Call
14280         vect_object_analysis with dummy parameter for memtag.
14281         (vect_object_analysis): Extract memtag (functionality that
14282         used to be in vect_get_memtag and moved here). Fix printings.
14283         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
14284         with correct parameters. Remove call to vect_get_memtag.
14285
14286 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
14287
14288         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
14289         (tree-vectorizer.o): Added missing dependencies.
14290
14291         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
14292         decleration.
14293         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
14294         declaration in tree-vectorizer.c, now has an extern declaration in
14295         tree-vectorizer.h).
14296         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
14297         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
14298         get_vectype_for_scalar_type, vect_is_simple_use,
14299         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
14300         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
14301         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
14302         vectorizable_store, vectorizable_operation, vectorizable_assignment,
14303         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
14304         find_loop_location): Likewise.
14305
14306         * tree-vectorizer.c (langhooks.h): #include removed.
14307         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
14308         moved to tree-vectorized.h.
14309         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
14310         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
14311         get_vectype_for_scalar_type, vect_is_simple_use,
14312         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
14313         vect_supportable_dr_alignment, new_loop_vec_info,
14314         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
14315         vect_set_verbosity_level, find_loop_location): Likewise.
14316
14317         (vect_analyze_loop): Function externalized. Declaration moved to
14318         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
14319         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
14320         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
14321         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
14322         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
14323         vect_enhance_data_refs_alignment, vect_analyze_operations,
14324         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
14325         vect_stmt_relevant_p, vect_get_loop_niters,
14326         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
14327         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
14328         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
14329         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
14330         vect_get_memtag): Likewise.
14331
14332         (vectorizable_load): Function externalized. Declaration moved to
14333         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
14334         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
14335         vect_transform_loop): Likewise.
14336         (vect_transform_stmt): Moved to tree-vect-transform.c.
14337         (vect_align_data_ref, vect_create_destination_var,
14338         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
14339         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
14340         vect_get_vec_def_for_operand, vect_init_vector,
14341         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
14342         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
14343         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
14344         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
14345         vect_do_peeling_for_loop_bound): Likewise.
14346
14347         * tree-vect-analyze.c: New file.
14348         * tree-vect-transform.c: New file.
14349
14350 2005-02-17  Jason Merrill  <jason@redhat.com>
14351
14352         PR mudflap/19319, c++/19317
14353         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
14354         slot explicit.
14355
14356 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
14357
14358         * doc/install.texi (Specific): Update link for Darwin-specific
14359         tool binary site.
14360
14361 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
14362
14363         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
14364         constant_boolean_node.
14365
14366 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
14367
14368         PR target/19019
14369         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
14370         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
14371
14372 2005-02-16  Richard Henderson  <rth@redhat.com>
14373
14374         PR 19920
14375         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
14376         with W_TYPE_SIZE.
14377         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
14378         replace uses with Wtype_MAXp1_F.
14379         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
14380         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
14381         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
14382         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
14383         and HAVE_TFMODE as appropriate.
14384         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
14385         (__floatdisf): Likewise.
14386         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
14387         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
14388         (Wtype_MAXp1_F): New.
14389         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
14390         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
14391
14392 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
14393
14394         * PR target/19162
14395         * arm.c (arm_apply_result_size): New function.
14396         * arm.h (APPLY_RESULT_SIZE): Define.
14397         * arm-protos.h (arm_apply_result_size): Add prototype.
14398         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
14399         (movxf): New expand.
14400         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
14401         (call_value_symbol): Remove predicate for operand 0.
14402         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
14403         (untyped_call): Rework to correclty return values for any type.
14404         (untyped_return): New expand.
14405         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
14406
14407 2005-02-16  Stan Shebs  <shebs@apple.com>
14408
14409         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
14410         * config/rs6000/t-darwin8: New, for 64-bit multilib.
14411
14412 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
14413
14414         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
14415         configure settings on Solaris 7 and later.
14416
14417 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
14418
14419         PR tree-optimization/19865
14420         * tree-optimize.c (init_tree_optimization_passes): Run
14421         pass_may_alias after pass_sra.
14422
14423 2005-02-16  Richard Henderson  <rth@redhat.com>
14424             Stuart Hastings  <stuart@apple.com>
14425
14426         PR debug/19521
14427         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
14428         Do nothing if debug info suppressed for this function.
14429         (dbxout_begin_function): Early exit if debug info suppressed for
14430         this function.
14431
14432 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
14433
14434         PR target/20007
14435         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
14436         find_basic_blocks.
14437         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
14438
14439         PR tree-optimization/19967
14440         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
14441         expand_builtin_strchr, expand_builtin_strrchr): Take a new
14442         argument TYPE.  Adjust calls to fold_builtin_XXX.
14443         (expand_builtin, fold_builtin_1): Adjust calls to
14444         expand_builtin_XXX.
14445         (fold_builtin_strchr, fold_builtin_strpbrk,
14446         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
14447         result to a requested type TYPE.
14448
14449 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
14450
14451         PR middle-end/19857
14452         * fold-const.c (fold): Don't optimize (T)(x & cst) to
14453         (T)x & (T)cst if (T)cst overflows.
14454         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
14455         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
14456
14457 2005-02-15  Jeff Law  <law@redhat.com>
14458
14459         * gcse.c (blocks_with_calls): New bitmap.
14460         (alloc_gcse_mem): Allocate it.
14461         (free_gcse_mem): Free it.
14462         (clear_modifY_mem_tables): Clear it.
14463         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
14464         when we encounter CALL_INSNs.
14465         (compute_transp, case MEM): Handle blocks with calls separate
14466         from blocks without calls.  Use bitmap iterators rather than
14467         FOR_EACH_BB.
14468
14469 2005-02-15  Peter O'Gorman  <peter@pogma.com>
14470
14471         PR bootstrap/18810
14472         * mklibgcc.in (vis_hide): Use a temporary object file, not
14473         -o /dev/null.
14474
14475 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
14476
14477         PR target/19924
14478         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
14479         access optimization.
14480
14481 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
14482             Alan Modra  <amodra@bigpond.net.au>
14483
14484         PR target/19019
14485         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
14486         (_xlqsub): Rename to __gcc_qsub.
14487         (_xlqmul): Rename to __gcc_qmul.
14488         (_xlqdiv): Rename to __gcc_qdiv.
14489         Provide versioned symbol aliases with old names.
14490         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
14491         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
14492         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
14493         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
14494         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
14495
14496 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
14497
14498         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
14499         Fold ~(A - 1) and ~(A + -1) to -A.
14500
14501 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
14502
14503         PR pch/14940
14504         PR target/19300
14505         * config/host-linux.c (linux_gt_pch_use_address): Copy from
14506         config/pa/pa-host.c:pa_gt_pch_use_address.
14507
14508 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
14509
14510         * tree-vn.c (get_value_handle): Make sure that given an
14511         is_gimple_min_invariant expression, we always return it.
14512
14513 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
14514
14515         * passes.c (rest_of_handle_gcse): Fix a comment.
14516
14517 2005-02-15  Jeff Law  <law@redhat.com>
14518
14519         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
14520         bitmap.
14521         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
14522         (canon_list_insert, record_last_mem_set_info): Similarly.
14523         (clear_modify_mem_tables): Similarly.
14524
14525 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
14526
14527         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
14528         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
14529         config/mips/mips.md, config/rs6000/aix.h,
14530         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
14531
14532 2005-02-15  Richard Henderson  <rth@redhat.com>
14533
14534         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
14535         call to be best_edge.
14536
14537 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
14538
14539         * basic-block.h: Adjust the prototype for find_basic_blocks.
14540         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
14541         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
14542         find_basic_blocks.
14543
14544         * flow.c (recompute_reg_usage): Remove all arguments.
14545         * passes.c (rest_of_compilation): Adjust the call to
14546         recompute_reg_usage.
14547         * rtl.h: Adjust the prototype for recompute_reg_usage.
14548
14549 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
14550
14551         * tree-dump.c (dump_files): Update to reflect new member
14552         of dump_file_info.
14553         (dump_register): Add new argument.
14554         Set glob name.
14555         (dump_switch_p_1): Check against glob name if doglob was passed.
14556         (dump_switch_p): Check against regular first, then glob if
14557         we didn't have any hits on the dump name.
14558         * tree-optimize.c (register_one_dump_file):
14559         Pass in glob name as well.
14560         * tree-pass.h (struct dump_file_info): Add glob
14561         member.
14562
14563 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
14564
14565         PR preprocessor/16323
14566         * doc/invoke.texi: Document that -Wendif-labels is on by default.
14567
14568 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
14569
14570         PR target/19019
14571         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
14572         (trunctfdf2_internal1): New.
14573         (trunctfdf2_internal2): Renamed from trunctfdf2.
14574
14575 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
14576
14577         PR tree-optimization/19853
14578         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
14579
14580 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
14581
14582         * passes.c (rest_of_handle_loop_optimize): Remove calls to
14583         delete_dead_jumptables and cleanup_cfg.
14584
14585 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
14586
14587         * reload.c (find_reloads): Swap address_reloaded flags when
14588         swapping commutative operands.
14589
14590 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
14591
14592         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
14593         Use standard_iv_increment_position for computing the bsi position
14594         for create_iv.
14595         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
14596         the bsi position.
14597
14598 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
14599
14600         PR target/17428
14601         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
14602         life range of hard registers.
14603         * value-prof.c (insn_prefetch_values_to_profile): Only
14604         scan normal insns.
14605
14606         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
14607         profile in libcalls.
14608
14609 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
14610
14611         * bitmap.h (bitmap_and_compl_into): Return bool.
14612         * bitmap.c (bitmap_and_compl_into): Return changed flag.
14613
14614 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
14615
14616         PR tree-optimization/19944
14617         * fold-const.c (fold): Re-add ABS_EXPR folding.
14618
14619 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
14620
14621         PR target/19019
14622         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
14623         {TARGET,MASK}_XL_COMPAT.
14624         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
14625         MASK_XL_COMPAT.
14626         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
14627         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
14628         TARGET_XL_COMPAT.
14629         (rs6000_arg_partial_bytes): Same.
14630         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
14631         and XL compatibility enabled.
14632         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
14633         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
14634         test to final condition.
14635         (cmptf_internal2): New.
14636         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
14637         xl-compat.  Add TFmode information to description.
14638
14639 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
14640
14641         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
14642
14643 2005-02-13  Jason Merrill  <jason@redhat.com>
14644
14645         PR c++/16405
14646         * fold-const.c (fold_indirect_ref_1): Split out from...
14647         (build_fold_indirect_ref): Here.
14648         (fold_indirect_ref): New fn.
14649         * tree.h: Declare it.
14650         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
14651         (gimplify_modify_expr_rhs): Likewise.
14652         (gimplify_expr): Likewise.
14653
14654 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
14655
14656         PR tree-optimization/14303
14657         PR tree-optimization/15784
14658         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
14659         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
14660         ABS_EXPR<x> != 0 to x != 0.
14661
14662 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
14663
14664         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
14665         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
14666         spelling conventions.
14667
14668         * passes.c (rest_of_handle_gcse): Don't run cse_main and
14669         delete_trivially_dead_insns too many times.
14670
14671         * passes.c (rest_of_handle_gcse): Remove dead assignments to
14672         tem and tem2.
14673
14674 2005-02-12  Ira Rosen  <irar@il.ibm.com>
14675
14676         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
14677         (vect_is_simple_iv_evolution): Remove redundant parameter
14678         and step check.
14679         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
14680         without last parameter.
14681         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
14682         Return pointer step. Call vect_is_simple_iv_evolution without
14683         last parameter. Check only that the step is multiple of size
14684         type. Remove stmt_vinfo updates.
14685         (vect_get_memtag_and_dr): Remove.
14686         (vect_get_memtag): New function.
14687         (vect_address_analysis): New function.
14688         (vect_object_analysis): New function.
14689         (vect_analyze_data_refs): Call vect_object_analysis and
14690         vect_get_memtag. Update stmt_vinfo fields.
14691
14692 2005-02-12  Ira Rosen  <irar@il.ibm.com>
14693
14694         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
14695         exist and are objects. Remove checks for pointer.
14696         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
14697         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
14698         (vect_create_data_ref_ptr): Likewise.
14699         (vect_base_addr_differ_p): New function.
14700         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
14701         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
14702         Don't set the DR_BASE_NAME field of data-ref.
14703         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
14704
14705 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
14706
14707         * optabs.h (enum optab_index): Add new OTI_ldexp.
14708         (ldexp_optab): Define corresponding macro.
14709         * optabs.c (init_optabs): Initialize ldexp_optab.
14710         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
14711         patterns.
14712         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
14713         using ldexp_optab.
14714         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
14715         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
14716
14717         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
14718         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
14719         intrinsics.
14720
14721 2005-02-12  Ira Rosen  <irar@il.ibm.com>
14722
14723         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
14724         to base_address.
14725         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
14726         stmt_vec_info.
14727         (vect_get_base_and_offset): Always return an address.
14728         (vect_create_addr_base_for_vector_ref): Remove treatment for
14729         different data reference types.
14730         (vect_compute_data_ref_alignment): Rename base to base_address in
14731         stmt_vec_info. Get the object in order to force its alignment.
14732         (vect_get_memtag_and_dr): Rename base to base_address in
14733         stmt_vec_info. Extract the object for memtag analysis.
14734
14735 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
14736
14737         PR regression/19898.
14738         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
14739         changes cc_status, use apply modified_in_p to part of cc_status
14740         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
14741         body.
14742
14743 2005-02-11  Richard Henderson  <rth@redhat.com>
14744
14745         * tree-complex.c (expand_complex_libcall): New.
14746         (expand_complex_multiplication): Use it for c99 compliance.
14747         (expand_complex_division): Likewise.
14748         * fold-const.c (fold_complex_add, fold_complex_mult): New.
14749         (fold): Call them.
14750         * builtins.c (built_in_names): Remove const.
14751         * tree.c (build_common_builtin_nodes): Build complex arithmetic
14752         builtins.
14753         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
14754         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
14755         (built_in_names): Remove const.
14756         * c-common.c (c_common_type_for_mode): Handle complex modes.
14757         * flags.h, toplev.c (flag_complex_method): Rename from
14758         flag_complex_divide_method.
14759         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
14760         __mulsc3, __muldc3, __mulxc3, __multc3): New.
14761         * libgcc2.h: Declare them.
14762         * libgcc-std.ver: Export them.
14763         * mklibgcc.in (lib2funcs): Build them.
14764
14765 2005-02-11  Steven Bosscher  <stevenb@suse.de>
14766
14767         PR tree-optimization/19876
14768         Partially revert my change from 2005-01-14
14769         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
14770         (compute_antic): ...and remove the loop here.
14771
14772 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
14773
14774         PR middle-end/19858
14775         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
14776         is number of inner's bits, avoid creating a BIT_FIELD_REF.
14777
14778         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
14779         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
14780
14781 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
14782
14783         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
14784         offsets for the big-endian 32-bit case.
14785
14786 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
14787
14788         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
14789
14790 2005-02-11  Dale Johannesen  <dalej@apple.com>
14791
14792         * cselib.c (cselib_process_insn):  Clear out regs where
14793         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
14794         * reload.c (find_equiv_reg): Ditto.
14795
14796 2005-02-11  Ian Lance Taylor  <ian@airs.com>
14797
14798         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
14799         with no elements.
14800
14801         * tree.c (build_function_type_list): Work correctly if there are
14802         no arguments.
14803
14804 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
14805
14806         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
14807         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
14808         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
14809         TARGET_ZARCH instead of TARGET_64BIT.
14810
14811 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
14812
14813         * config/rs6000/t-rtems:
14814         (MULTILIB_OPTIONS): Remove mcpu=602.
14815         (MUTLILIB_DIRNAMES): Remove m602.
14816         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
14817         Let mcpu=602 match mcpu=603.
14818         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
14819
14820 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14821
14822         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
14823         signal trampolines.
14824
14825 2005-02-10  David Daney  <ddaney@avtrex.com>
14826
14827         * config/alpha/linux-unwind.h: Add exception clause to copyright.
14828         * config/i386/linux-unwind.h: Likewise.
14829         * config/ia64/linux-unwind.h: Likewise.
14830         * config/mips/linux-unwind.h: Likewise.
14831         * config/pa/linux-unwind.h: Likewise.
14832         * config/rs6000/linux-unwind.h: Likewise.
14833         * config/s390/linux-unwind.h: Likewise.
14834         * config/sh/linux-unwind.h: Likewise.
14835         * config/sparc/linux-unwind.h: Likewise.
14836
14837 2005-02-10  Steven Bosscher  <stevenb@suse.de>
14838
14839         PR tree-optimization/17549
14840         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
14841         TER to replace a DEF with its expression if the DEF and the
14842         rhs of the expression we replace into have the same root
14843         variable.
14844
14845 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
14846
14847         * config/mips/mips.md: Fix the placement of the match_scratch in the
14848         lea64 peephole2.
14849
14850 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
14851
14852         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
14853         Fix comment typos.
14854
14855 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
14856
14857         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
14858         (strip_offset): Handle addresses.
14859         (add_address_candidates): Use strip_offset.
14860         (difference_cost): Reflect strip_offset change.
14861         (force_var_cost, difference_cost): Strip nops.
14862
14863 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
14864
14865         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
14866
14867         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
14868         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
14869         config/cris/cris-protos.h, config/cris/cris.c: Update
14870         copyright.
14871
14872 2005-02-10  Jeff Law  <law@redhat.com>
14873
14874         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
14875         (lookup_avail_expr): Similarly.
14876
14877 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
14878
14879         * builtins.c (fold_builtin_powi): New function.
14880         (fold_builtin_1): Call it.
14881
14882 2005-02-10  Steven Bosscher  <stevenb@suse.de>
14883
14884         PR documentation/19309
14885         * doc/cpp.texi: The __GNUC__ and related predefined macros
14886         are also defined for the "standalone" cpp.
14887         Some non-GCC compilers may also define __GNUC__.
14888
14889 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
14890
14891         PR c/19342
14892         * c-typeck.c (common_type): New routine.  Old common_type renamed
14893         to...
14894         (c_common_type): ...this.
14895         (build_conditional_expr, build_binary_op): Use c_common_type instead
14896         of common_type.
14897
14898 2005-02-10  Steven Bosscher  <stevenb@suse.de>
14899
14900         * doc/md.texi: Replace @samp{length} with @code{length}.
14901
14902 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
14903
14904         PR tree-optimization/18687
14905         * tree-flow.h (find_loop_niter): Declare.
14906         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
14907         Try using scev even for loops with more than one exit.
14908         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
14909         (struct ivopts_data): Added niters field.
14910         (struct nfe_cache_elt): New.
14911         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
14912         functions.
14913         (tree_ssa_iv_optimize_init): Initialize niters cache.
14914         (determine_number_of_iterations): Removed.
14915         (find_induction_variables): Do not call determine_number_of_iterations.
14916         Access niters for single exit through niter_for_single_dom_exit.
14917         (add_iv_outer_candidates): Access niters for single exit through
14918         niter_for_single_dom_exit.
14919         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
14920         number_of_iterations_cond.
14921         (iv_period): New function.
14922         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
14923         (may_replace_final_value): Take data argument.  Use
14924         niter_for_single_dom_exit.
14925         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
14926         (rewrite_use_compare): Pass data to may_eliminate_iv.
14927         (rewrite_use_outer): Pass data to may_replace_final_value.
14928         (free_loop_data): Clean up the niters cache.
14929         (tree_ssa_iv_optimize_finalize): Free the niters cache.
14930         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
14931         * tree-ssa-loop-niter.c (find_loop_niter): New function.
14932         (find_loop_niter_by_eval): Use tree_int_cst_lt.
14933         (num_ending_zeros): Moved to tree.c.
14934         * tree.h (num_ending_zeros): Declare.
14935         * tree.c (num_ending_zeros): Moved from tree.c.
14936
14937 2005-02-09  Richard Henderson  <rth@redhat.com>
14938
14939         * builtins.c (DEF_BUILTIN): Add COND argument.
14940         * tree.h (DEF_BUILTIN): Likewise.
14941         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
14942         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
14943         match.
14944         (DEF_BUILTIN_STUB): New.
14945         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
14946         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
14947         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
14948         * c-common.c (DEF_BUILTIN): Add COND argument.
14949         * tree.c (local_define_builtin): New.
14950         (build_common_builtin_nodes): New.
14951
14952 2005-02-09  Roger Sayle  <roger@eyesopen.com>
14953
14954         * fold-const.c (fold_strip_sign_ops): New function to simplify a
14955         floating point expression ignoring the sign of the result.
14956         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
14957         (fold) <MULT_EXPR>: Use it to simplify x*x.
14958         * tree.h (fold_strip_sign_ops): Prototype here.
14959         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
14960         argument.  Use fold_strip_sign_ops to simplify the first argument.
14961         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
14962         first argument when the second argument is an even integer
14963         constant, but only with -funsafe_math_optimizations.
14964         (fold_builtin_1): Update call to fold_builtin_copysign.
14965
14966 2005-02-09  Ian Lance Taylor  <ian@airs.com>
14967
14968         PR middle-end/19583
14969         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
14970         just check whether EH_FILTER_FAILURE falls through.
14971
14972 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
14973
14974         * gcc/haifa-sched.c (schedule_block): Make queued sched group
14975         insns return to ready list in the next turn.
14976
14977 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
14978
14979         PR middle-end/19402
14980         * builtins.def: New __builtin_powi[lf].
14981         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
14982         (expand_builtin_powi): New function.
14983         (expand_builtin): Dispatch to expand_builtin_powi.
14984         * libgcc2.h: Add prototypes for __builtin_powi[lf].
14985         * libgcc2.c: Add __builtin_powi[lf] implementation.
14986         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
14987         * optabs.h: Add powi_optab.
14988         * optabs.c (init_optabs): Initialize powi_optab.
14989         * doc/extend.texi: Document __builtin_powi[lf].
14990
14991 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
14992
14993         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
14994         exists.
14995
14996 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
14997
14998         PR middle-end/19854
14999         * fold-const.c (try_move_mult_to_index): Remove redundant
15000         type argument.  Create ADDR_EXPR with correct type.
15001         (fold): Update callers of try_move_mult_to_index.  Convert
15002         result to the appropriate type.
15003
15004 2005-02-09  Roger Sayle  <roger@eyesopen.com>
15005
15006         PR target/19597
15007         * config/avr/avr.c (default_rtx_costs): Delete.
15008         (avr_operand_rtx_cost): New function.
15009         (avr_rtx_costs): Completely rewrite.
15010
15011 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
15012
15013         PR target/19806
15014         * config/cris/cris.c (in_code): New variable.
15015         (cris_output_addr_const): Now a static function, a wrapper for
15016         output_addr_const.
15017         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
15018         case from old cris_output_addr_const.
15019         (cris_asm_output_label_ref): Similar for LABEL_REF.
15020         (cris_output_addr_const_extra): Similar for UNSPEC.
15021         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
15022         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
15023         * config/cris/cris-protos.h (cris_output_addr_const): Remove
15024         declaration.
15025         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
15026         (cris_asm_output_label_ref): Declare.
15027
15028 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
15029
15030         PR preprocessor/19801
15031         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
15032         filenames that changed when libcpp was moved to the toplevel.
15033
15034 2005-02-07  Roger Sayle  <roger@eyesopen.com>
15035
15036         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
15037         zero extensions of BImode operands.  Call lowpart_subreg instead
15038         of gen_lowpart_common and gen_lowpart_SUBREG.
15039
15040 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
15041
15042         PR ada/19489
15043         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
15044         * configure.ac: Set cc_for_cross_gnattools.
15045         * configure: Regenerate.
15046
15047 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
15048
15049         PR target/19803
15050         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
15051
15052 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
15053
15054         PR debug/19327
15055         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
15056         of nested functions.
15057
15058 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
15059
15060         * doc/extend.texi: Document deprecated extensions allowing
15061         static floating-point members to have initializers and allowing
15062         floating-point literals in integral constant expressions.
15063
15064 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
15065
15066         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
15067         config/darwin7.h, config/mips/mips.c,
15068         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
15069         Update copyright.
15070
15071         * cse.c: Update comments.
15072
15073 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
15074
15075         PR middle-end/19775
15076         * builtins.c (fold_builtin_sqrt): Transform
15077         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
15078         pow(x,y*0.5).
15079
15080 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
15081             Dorit Naishlos  <dorit@il.ibm.com>
15082
15083         * doc/invoke.texi (ftree-vectorizer-verbose): New.
15084         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
15085         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
15086         was added.
15087         * tree.h (vect_set_verbosity_level): New extern function declaration
15088         added.
15089         * tree-vectorizer.h (verbosity_levels): New enum type.
15090         * tree-vectorizer.c (vect_debug_stats): Function removed.
15091         (vect_debug_details): Likewise.
15092         (vect_verbosity_level): Global variable was defined and initialized.
15093         (vect_dump): Global variable definition.
15094         (vect_print_dump_info): New function.
15095         (vect_set_dump_settings): New function.
15096         (vect_set_verbosity_level): New function.
15097         (vectorize_loops): Add call to vect_set_dump_settings.
15098
15099         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
15100         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
15101         (slpeel_tree_peel_loop_to_edge): Likewise.
15102
15103         (vect_analyze_offset_expr): Call to vect_print_dump_info with
15104         appropriate verbosity level instead of call to vect_debug_details
15105         or vect_debug_stats.
15106         (vect_get_base_and_offset):
15107         (vect_create_addr_base_for_vector_ref):
15108         (get_vectype_for_scalar_type):
15109         (vect_create_data_ref_ptr):
15110         (vect_init_vector):
15111         (vect_get_vec_def_for_operand):
15112         (vect_finish_stmt_generation):
15113         (vectorizable_assignment):
15114         (vectorizable_operation):
15115         (vectorizable_store):
15116         (vectorizable_load):
15117         (vect_transform_stmt):
15118         (vect_update_ivs_after_vectorizer):
15119         (vect_do_peeling_for_loop_bound):
15120         (vect_update_inits_of_drs):
15121         (vect_do_peeling_for_alignment):
15122         (vect_transform_loop):
15123         (vect_is_simple_use):
15124         (vect_analyze_operations):
15125         (vect_is_simple_iv_evolution):
15126         (vect_analyze_scalar_cycles):
15127         (vect_analyze_data_ref_dependence):
15128         (vect_analyze_data_ref_dependences):
15129         (vect_compute_data_ref_alignment):
15130         (vect_enhance_data_refs_alignment):
15131         (vect_analyze_data_refs_alignment):
15132         (vect_analyze_data_ref_access):
15133         (vect_analyze_data_ref_accesses):
15134         (vect_analyze_pointer_ref_access):
15135         (vect_get_memtag_and_dr):
15136         (vect_analyze_data_refs):
15137         (vect_mark_relevant):
15138         (vect_stmt_relevant_p):
15139         (vect_mark_stmts_to_be_vectorized):
15140         (vect_can_advance_ivs_p):
15141         (vect_get_loop_niters):
15142         (vect_analyze_loop_form):
15143         (vect_analyze_loop):
15144         (vectorize_loops): Likewise.
15145
15146         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
15147         (vect_update_inits_of_drs):
15148         (vect_do_peeling_for_alignment):
15149         (vect_transform_loop):
15150         (vect_analyze_operations):
15151         (vect_analyze_scalar_cycles):
15152         (vect_analyze_data_ref_dependences):
15153         (vect_analyze_data_refs_alignment):
15154         (vect_analyze_data_ref_accesses):
15155         (vect_analyze_data_refs):
15156         (vect_mark_stmts_to_be_vectorized):
15157         (vect_get_loop_niters):
15158         (vect_analyze_loop_form):
15159         (vect_analyze_loop): Likewise.
15160         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
15161
15162 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
15163
15164         PR bootstrap/19796
15165         Revert:
15166         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
15167         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
15168         either -ffast-math or -funsafe-math-optimizations is in use.
15169
15170         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
15171         * config/mips/irix-csr.c: New file.
15172         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
15173         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
15174         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
15175         executables.
15176
15177 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
15178
15179         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
15180         redundant, incorrect definitions.
15181
15182         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
15183         expand.
15184         ("*tls_indirect_call"): New, reference hard regs directly.
15185         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
15186
15187 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
15188
15189         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
15190         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
15191
15192 2005-02-06  Roger Sayle  <roger@eyesopen.com>
15193
15194         PR rtl-optimization/19800
15195         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
15196         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
15197         gen_lowpart.
15198
15199 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
15200
15201         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
15202
15203 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
15204
15205         PR other/17135
15206         * doc/invoke.texi: Correct documentation of -freorder-functions.
15207
15208 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
15209
15210         PR other/14402
15211         * doc/invoke.texi: Don't mention gccbug.
15212
15213 2005-02-06  Roger Sayle  <roger@eyesopen.com>
15214             Andrew Pinski  <pinskia@physics.uc.edu>
15215             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
15216
15217         * simplify-rtx.c (simplify_relational_operation_1): Simplify
15218         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
15219         into just (zero_extract:SI FOO (const_int 1) BAR).
15220
15221 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
15222
15223         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
15224         macro locally.  Don't give last revision date.  Use GCC version
15225         number from gcc-common.texi.
15226         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
15227         revision date.  Use GCC version number from gcc-common.texi.
15228         Describe being a library as current state rather than as 3.x
15229         history.
15230         * doc/gcc.texi: Remove last update date.
15231         * doc/gccint.texi: Likewise.  Update copyright dates.
15232         * doc/install.texi: Update copyright dates.
15233
15234 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
15235
15236         PR other/7549
15237         * doc/invoke.texi: Mention for each option included in -Wall that
15238         it is included in -Wall.
15239         * doc/gcc.texi: Update copyright and last modification date.
15240
15241 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
15242
15243         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
15244         unnecessary cast to original induction variable increments.
15245
15246 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
15247
15248         PR tree-optimization/18219
15249         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
15250         in distributed form.
15251
15252 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
15253
15254         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
15255         Set bitpos and offset later in the function.  Do nothing if the
15256         target is a register and if the bitfield lies completely outside
15257         that register.
15258         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
15259         here.  Return an uninitialised register if the source value is stored
15260         in a register and the bitfield lies completely outside that register.
15261
15262 2005-02-06  Steven Bosscher  <stevenb@suse.de>
15263
15264         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
15265         not SET_DEST.
15266
15267 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
15268
15269         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
15270
15271 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
15272
15273         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
15274         * config/darwin8.h: New.
15275         * config/darwin7.h: Update comment.
15276
15277 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
15278             Dorit Naishlos  <dorit@il.ibm.com>
15279
15280         * tree-vectorizer.h (LOC): New type.
15281         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
15282         (loop_line_number): New field in struct _loop_vec_info.
15283         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
15284
15285         * tree-vectorizer.c (input.h): Included.
15286         (find_loop_location): New function.
15287         (vect_debug_stats): Argument changed from loop to LOC. Computation of
15288         loop line number removed.
15289         (vect_debug_details): Likewise.
15290         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
15291
15292         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
15293         call to vect_debug_details/stats changed from loop to loop_loc.
15294         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
15295         (slpeel_tree_peel_loop_to_edge): Likewise.
15296
15297         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
15298         changed from NULL to UNKNOWN_LOC.
15299         (vect_get_base_and_offset):
15300         (vect_create_addr_base_for_vector_ref):
15301         (get_vectype_for_scalar_type):
15302         (vect_create_data_ref_ptr):
15303         (vect_init_vector):
15304         (vect_get_vec_def_for_operand):
15305         (vect_finish_stmt_generation):
15306         (vectorizable_assignment):
15307         (vectorizable_operation):
15308         (vectorizable_store):
15309         (vectorizable_load):
15310         (vect_transform_stmt):
15311         (vect_update_ivs_after_vectorizer):
15312         (vect_do_peeling_for_loop_bound):
15313         (vect_do_peeling_for_alignment):
15314         (vect_transform_loop):
15315         (vect_is_simple_use):
15316         (vect_analyze_operations):
15317         (vect_is_simple_iv_evolution):
15318         (vect_analyze_scalar_cycles):
15319         (vect_analyze_data_ref_dependences):
15320         (vect_compute_data_ref_alignment):
15321         (vect_enhance_data_refs_alignment):
15322         (vect_analyze_data_ref_access):
15323         (vect_analyze_data_ref_accesses):
15324         (vect_analyze_pointer_ref_access):
15325         (vect_get_memtag_and_dr):
15326         (vect_analyze_data_refs):
15327         (vect_mark_relevant):
15328         (vect_stmt_relevant_p):
15329         (vect_mark_stmts_to_be_vectorized):
15330         (vect_can_advance_ivs_p):
15331         (vect_get_loop_niters):
15332         (vect_analyze_loop):
15333         (vectorize_loops): Likewise.
15334
15335         (vectorizable_load): Argument in call to vect_debug_details/stats
15336         changed from loop to LOOP_LOC (loop_vinfo).
15337         (vect_transform_loop):
15338         (vect_analyze_operations):
15339         (vect_analyze_scalar_cycles):
15340         (vect_analyze_data_ref_dependence):
15341         (vect_enhance_data_refs_alignment):
15342         (vect_analyze_data_ref_accesses):
15343         (vect_analyze_pointer_ref_access):
15344         (vect_analyze_data_refs):
15345         (vect_analyze_loop): Likewise.
15346
15347         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
15348         changed from loop to loop_loc.
15349
15350         (vect_enhance_data_refs_alignment): Removed unused variable loop.
15351
15352 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
15353             Dorit Naishlos  <dorit@il.ibm.com>
15354
15355         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
15356         declaration added.
15357         (vect_analyze_data_ref_dependences): Likewise.
15358
15359         (vect_is_simple_use): Argument changed from loop structure to
15360         loop_vect_info structure.
15361         (vect_can_advance_ivs_p): Likewise.
15362         (vect_create_index_for_vector_ref): Likewise.
15363         (vect_update_ivs_after_vectorizer): Likewise.
15364         (new_stmt_vec_info): Likewise.
15365
15366         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
15367         changed from loop to loop_vinfo.
15368         (vect_create_data_ref_ptr): First argument in call to
15369         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
15370         (vectorizable_assignment): Second argument in call to vect_is_simple_use
15371         was changed from loop to loop_vinfo.
15372         (vectorizable_operation): Likewise.
15373         (vectorizable_store): Likewise.
15374         (vect_mark_stmts_to_be_vectorized): Likewise.
15375         (vect_do_peeling_for_loop_bound): First argument in call to
15376         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
15377         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
15378         was changed from loop to loop_vinfo.
15379         (vect_analyze_data_ref_dependences): Third argument in call to
15380         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
15381
15382         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
15383         (vect_create_data_ref_ptr): Likewise.
15384         (vect_init_vector): Likewise.
15385         (vect_get_vec_def_for_operand): Likewise.
15386         (vectorizable_assignment): Likewise.
15387         (vectorizable_operation): Likewise.
15388         (vectorizable_store): Likewise.
15389         (vectorizable_load): Likewise.
15390         (vect_update_ivs_after_vectorizer): Likewise.
15391         (vect_is_simple_use): Likewise.
15392         (vect_analyze_data_ref_dependence): Likewise.
15393         (vect_analyze_pointer_ref_access): Likewise.
15394         (vect_can_advance_ivs_p): Likewise.
15395
15396         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
15397         before _stmt_vec_info.
15398         (_stmt_vec_info): Loop field replaced by loop_vec_info.
15399         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
15400         (new_stmt_vec_info): Argument changed from loop structure to
15401         loop_vect_info structure
15402
15403         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
15404         (vect_analyze_offset_expr): Avoid 80 columns overflow.
15405         (vect_create_addr_base_for_vector_ref): Likewise.
15406         (vect_analyze_pointer_ref_access): Likewise.
15407
15408 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
15409
15410         PR tree-opt/19768
15411         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
15412         phi flag if the phi is abnormal.
15413
15414 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
15415
15416         PR tree-opt/19736
15417         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
15418         information for the new statement.
15419
15420 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
15421
15422         PR driver/19117
15423         * gcc.c (main): Include the target in -v output.
15424
15425 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
15426
15427         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
15428         Do not drop the extend if we'd have to add a paradoxical subreg
15429         later.  Include optabs.h and insn-codes.h.
15430         * Makefile.in (combine.o): Depend on $(OPTABS_H).
15431
15432 2005-02-02  Roger Sayle  <roger@eyesopen.com>
15433
15434         PR middle-end/19405
15435         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
15436         * fold-const.c (const_binop): Avoid constant folding floating
15437         point operations in modes that use composite representations.
15438         * simplify-rtx.c (simplify_binary_operation): Likewise.
15439
15440 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
15441
15442         * config/rs6000/altivec.md (altivec_dst): Make the first operand
15443         a REG, not a MEM.
15444         (altivec_dstt): Likewise.
15445         (altivec_dstst): Likewise.
15446         (altivec_dststt): Likewise.
15447         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
15448         of first operand.
15449
15450 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
15451
15452         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
15453         EXPR_LOCUS from orig_cond to the new cond_stmt.
15454         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
15455         the new vec_stmt.
15456
15457 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
15458
15459         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
15460         standard_iv_increment_position. Remove call to bsi_next
15461         (no need to bump the iterator anymore).
15462         (vect_create_index_for_vector_ref): Call
15463         standard_iv_increment_position. Remove second function argument.
15464         (vect_finish_stmt_generation): Remove call to bsi_next
15465         (no need to bump the iterator anymore).
15466         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
15467         to vect_create_index_for_vector_ref.
15468
15469 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
15470
15471         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
15472         phis are used out of the loop.
15473
15474 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
15475
15476         PR c/17807
15477         * c-decl.c (undef_nested_function): New variable.
15478         (pop_scope): Diagnose undefined nested functions.
15479         (finish_function): Don't attempt cgraph processing or genericizing
15480         if current top-level function contained an undefined nested
15481         function.  Reset undef_nested_function at the end of a top-level
15482         function.
15483
15484 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
15485
15486         * tree.c (build_int_cst_type): Take sign of the value into account
15487         when deciding whether sign extend the value.
15488
15489 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
15490
15491         PR c/18502
15492         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
15493         (cpp_options, cc1_options): Change %{std*&ansi} to
15494         %{std*&ansi&trigraphs}.
15495
15496 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
15497
15498         * cse.c: Update comments.
15499
15500 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
15501
15502         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
15503         arguments go on the stack.  Do not put complex doubles in odd/even
15504         pairs.
15505
15506 2005-02-02  Steven Bosscher  <stevenb@suse.de>
15507
15508         * doc/invoke.texi: Update the options enabled at -O1, -O2,
15509         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
15510         -ftree-pre, and -fthread-jumps.
15511
15512 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
15513
15514         PR tree-optimization/19578
15515         * tree-flow.h (modified_noreturn_calls): Declare.
15516         (noreturn_call_p): Declare.
15517         * tree-flow-inline.h (noreturn_call_p): New function.
15518         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
15519         * tree-cfg.c (modified_noreturn_calls): New variable.
15520         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
15521         that contain a mid-block noreturn call.
15522         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
15523
15524 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
15525
15526         * df.c (df_def_record_1, df_uses_record): Don't use
15527         DF_FOR_REGALLOC.
15528         * df.h (DF_FOR_REGALLOC): Remove.
15529
15530 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
15531
15532         PR c/19435
15533         * c-typeck.c (really_start_incremental_init): Reset
15534         constructor_max_index for arrays of incomplete type.
15535
15536 2005-02-02  Jeff Law  <law@redhat.com>
15537
15538         * gcse.c (struct reg_set): Store the block index where the register
15539         was set rather than the setting insn.
15540         (record_one_set, compute_transp): Corresponding changes.
15541         (pre_insert_copy_insn): Do not call replace_one_set.
15542         (replace_one_set): Remove.
15543
15544 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
15545
15546         PR other/15514
15547         * doc/gcov.texi: Fix typo.
15548
15549 2005-02-01  Richard Henderson  <rth@redhat.com
15550
15551         PR target/19680
15552         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
15553         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
15554         type to bool.
15555         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
15556         * config/i386/i386-protos.h: Update.
15557
15558 2005-02-01  Steven Bosscher  <stevenb@suse.de>
15559
15560         PR tree-optimization/19217
15561         * tree-cfg.c (verify_expr): Use the data field to see if TP was
15562         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
15563         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
15564         that it is walking a PHI node.
15565
15566 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
15567
15568         * doc/extend.texi (Nested Functions): Update.
15569
15570 2005-02-01  Richard Henderson  <rth@redhat.com>
15571
15572         PR 19696
15573         * optabs.c (expand_copysign_absneg): Export.
15574         * optabs.h (expand_copysign_absneg): Declare.
15575         * config/rs6000/rs6000.md (copysigntf3): New.
15576
15577 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
15578
15579         PR tree-optimization/19633
15580         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
15581         * tree-ssa-alias.c (init_alias_info): Initialize.
15582         (merge_pointed_to_info): Set.
15583         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
15584         (dump_points_to_info_for): Show value of pt_null.
15585         (struct count_ptr_d): Declare.
15586         (find_ptr_dereference): Remove.
15587         (ptr_is_dereferenced_by): Remove.
15588         (count_ptr_derefs): New local function.
15589         (count_uses_and_derefs): New local function.
15590         (compute_points_to_and_addr_escape): Call it.  If the number
15591         of dereferences is greater than zero, mark the pointer as
15592         dereferenced.  If there are fewer dereferences than uses of
15593         the pointer, the pointer's value escapes.
15594
15595 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
15596
15597         PR tree-optimization/19670
15598         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
15599         here...
15600         (verify_use): ... set it here, instead.
15601
15602 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
15603
15604         * doc/sourcebuild.texi (Test directives): Fix formatting.
15605
15606         * doc/sourcebuild.texi (Test directives): Describe selector
15607         expressions.
15608
15609 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
15610
15611         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
15612         specific 64-bit CPUs.
15613
15614 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
15615
15616         PR target/16201
15617         * arm.c (arm_eliminable_register): New function.
15618         (adjacent_mem_locations): Don't allow eliminable registers.  Use
15619         HOST_WIDE_INT for address offsets.
15620         * arm-protos.h (arm_eliminable_register): Add prototype.
15621
15622 2005-02-01  Steven Bosscher  <stevenb@suse.de>
15623
15624         PR optimization/15242
15625         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
15626         * basic-block.h (duplicate_computed_gotos): Add prototype.
15627         * bb-reorder.c (duplicate_computed_gotos): New function to
15628         duplicate sufficiently small blocks ending in a computed jump.
15629         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
15630         if not optimizing for size.
15631         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
15632         never do tail merging for blocks ending in a computed jump.
15633         * doc/invoke.texi: Document the max-goto-duplication-insns param.
15634
15635 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
15636
15637         Patch from Richard Sandiford <rsandifo@redhat.com>
15638         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
15639         from inheriting a subreg equivalence with a non-spill register.
15640
15641         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
15642
15643 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
15644
15645         * config/frv/frv.c (movcc_fp_destination_operand): New.
15646         (gpr_or_memory_operand): Fix typo in comment.
15647         (gpr_or_memory_operand_with_scratch): New.
15648         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
15649         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
15650         movcc_fp_destination_operand.
15651         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
15652         Legitimize memory addresses using a scratch register.
15653
15654 2005-01-31  Jeff Law  <law@redhat.com>
15655
15656         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
15657         bitmap a sparse bitmap instead of a simple bitmap.
15658         (mark_def_sites_initialize_block):  Corresponding changes.
15659         (ssa_mark_def_sites_initialize_block): Likewise.
15660         (ssa_mark_phi_uses): Likewise.
15661         (mark_def_site, ssa_mark_def_sites): Likewise.
15662         (mark_def_site_blocks): Likewise.
15663         (rewrite_ssa_into_ssa): Likewise.
15664
15665         * tree-ssa-dom.c (record_cond): Pass correct variable type
15666         for last argument to htab_find_slot_with_hash.
15667
15668         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
15669         effects when optimizing 0 % X.  Do not try to optimize X % 0.
15670
15671 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
15672
15673         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
15674         1_mmalua.
15675
15676 2005-02-01  Eric Christopher  <echristo@redhat.com>
15677
15678         * config/mips/mips.c (override_options): Warn if -mint64
15679         is used.
15680         * doc/invoke.texi (MIPS Options): Document that -mint64 is
15681         deprecated.
15682
15683 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
15684
15685         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
15686         timestamp.
15687         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
15688         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
15689         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
15690         (cached_regno): Initialize to INVALID_REGNUM.
15691         (cse_reg_info_table_size,
15692         cse_reg_info_table_first_uninitialized,
15693         cse_reg_info_timestamp): New.
15694         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
15695         get_cse_reg_info.
15696         (init_cse_reg_info, get_cse_reg_info_1): New.
15697         (get_cse_reg_info): Cache the last look-up.
15698         (new_basic_block): Update the code to clear mappings from
15699         registers to cse_reg_info entries.
15700         (cse_main): Call init_cse_reg_info.
15701
15702         * cse.c (get_cse_reg_info): Update a comment.
15703
15704 2005-01-31  Steven Bosscher  <stevenb@suse.de>
15705
15706         PR c/19333
15707         * c-decl.c (start_decl): Do not warn about arrays of elements with
15708         an incomplete type here.
15709         (grokdeclarator): Do it here by making a pedwarn an error.
15710         * c-typeck.c (push_init_level): If there were previous errors with
15711         the constructor type, do not warn about braces for initializers.
15712         (process_init_element): Likewise for excess initializer elements.
15713
15714 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
15715
15716         * cse.c (delete_trivially_dead_insn): Don't iterate.
15717
15718 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
15719
15720         * config/rs6000/rs6000.md (copysignsf3): New expand.
15721         (copysigndf3): Likewise.
15722
15723 2005-01-31  Steven Bosscher  <stevenb@suse.de>
15724
15725         * recog.c (constrain_operands): Only look for earlyclobber operand
15726         conflicts if an '&' constraint was seen.
15727
15728 2005-01-31  Marc Espie <espie@openbsd.org>
15729
15730         * config.gcc: Don't include embedded systems fragment, switches default
15731         debugging format to ELF.
15732         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
15733         longer pick it up there.
15734
15735 2005-01-31  Dale Johannesen  <dalej@apple.com>
15736
15737         * doc/extend.texi (nested functions): Fix linkage description.
15738         Clarify that static is not allowed.
15739
15740 2005-01-31  Dale Johannesen  <dalej@apple.com>
15741
15742         * config/rs6000/darwin.md (movsf_low_di):  Make work.
15743         (movdf_low_di):  Make work.
15744
15745 2005-01-31  Dale Johannesen  <dalej@apple.com>
15746
15747         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
15748         Make work for 64 bit.
15749
15750 2005-01-31  Roger Sayle  <roger@eyesopen.com>
15751             Dale Johannesen  <dalej@apple.com>
15752
15753         PR middle-end/19650
15754         * fold-const.c (fold_binary_op_with_conditional_arg):
15755         Make types match original operands, before STRIP_NOPS.
15756
15757 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
15758
15759         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
15760         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
15761         (struct gcc_sigcontext): Delete.  Merge contents to..
15762         (struct gcc_ucontext): ..here.
15763         (get_sigcontext): Delete.
15764         (get_regs): New function, like get_sigcontext but return regs ptr.
15765         64-bit version finds regs from r1 to support vdso.
15766         (ppc_linux_aux_vector): New function.
15767         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
15768         and vector regs.
15769
15770 2005-01-31  Ira Rosen  <irar@il.ibm.com>
15771
15772         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
15773         sizetype.
15774         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
15775         redundant fold. Fix misalignment for MINUS_EXPR.
15776         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
15777         (vect_analyze_pointer_ref_access): Likewise.
15778         (vect_get_memtag_and_dr): Likewise.
15779
15780 2005-01-31  Richard Henderson  <rth@redhat.com>
15781
15782         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
15783         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
15784         absnegdf2_i387, absnegxf2_i387): Likewise.
15785
15786 2005-01-31  Richard Henderson  <rth@redhat.com>
15787
15788         PR 19696
15789         * optabs.c (expand_copysign_absneg): New.
15790         (expand_copysign_bit): Split out from ...
15791         (expand_copysign): ... here.  Use expand_copysign_absneg.
15792
15793 2005-01-30  Roger Sayle  <roger@eyesopen.com>
15794
15795         PR middle-end/19697
15796         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
15797         constant as the second operand and a register as the third.
15798
15799 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
15800
15801         PR target/19704
15802         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
15803         that dllimport'd functions do not use all call-clobbered registers
15804         to pass parameters.
15805
15806 2005-01-30  Richard Henderson  <rth@redhat.com>
15807
15808         PR 19696
15809         * optabs.c (expand_absneg_bit): Split out from expand_unop and
15810         expand_abs_nojump and generalize.  Use operand_subword and
15811         emit_no_conflict_block.  Support large modes.
15812         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
15813         back to maximum.
15814         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
15815         negation to subtraction.
15816         (expand_copysign): Check that the format has signed zeros.
15817         Use operand_subword and emit_no_conflict_block.  Support large modes.
15818
15819 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
15820
15821         Fix PR tree-optimization/19624
15822
15823         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
15824         * tree-ssa-pre.c: Add cfgloop.h.
15825         Update comment.
15826         (pre_stats): New member, constified.
15827         (inserted_exprs): New static variable.
15828         (NECESSARY): New macro.
15829         (create_expression_by_pieces): Fold the expression, and
15830         mark it as defaulting to not necessary. Also put in
15831         inserted_exprs.
15832         (fully_constant_expression): New function.
15833         (insert_into_preds_of_block): Modify to not insert phis when we
15834         are playing with induction variables.
15835         Push phis onto the inserted_exprs vector, and mark them as not
15836         necessary by default.
15837         (insert_aux): Call fully_constant_expression on eprime.
15838         If all edges produce the same value, mark it constant.
15839         (mark_operand_necessary): New function.
15840         (remove_dead_inserted_code): New function.
15841         (init_pre): Init loop optimizer to get loop info.
15842         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
15843         (execute_pre): Commit edge inserts, then remove dead code.
15844
15845 2005-01-30  Richard Henderson  <rth@redhat.com>
15846
15847         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
15848         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
15849
15850 2005-01-30  Richard Henderson  <rth@redhat.com>
15851
15852         PR target/19700
15853         * config/i386/i386.c (ix86_expand_copysign): New.
15854         (ix86_split_copysign_const): New.
15855         (ix86_split_copysign_var): Rename from ix86_split_copysign,
15856         rearrange op1/nmask operands.
15857         * config/i386/i386-protos.h: Update.
15858         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
15859         (copysigndf3): Likewise.
15860         (copysignsf3_const, copysigndf3_const): New.
15861         (copysignsf3_var): Rename from copysignsf3, split out splitter
15862         and fix split predicate for X constraint.
15863         (copysigndf3_var): Similarly.
15864
15865 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
15866
15867         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
15868         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
15869         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
15870
15871 2005-01-29  Richard Henderson  <rth@redhat.com>
15872
15873         PR target/19690
15874         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
15875         of # and * in constraints.
15876
15877 2005-01-29  Richard Henderson  <rth@redhat.com>
15878
15879         PR middle-end/19689
15880         * expr.c (store_field): Don't strip sub-mode cast when the input
15881         data is even smaller.
15882
15883 2005-01-29  Richard Henderson  <rth@redhat.com>
15884
15885         PR middle-end/19687
15886         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
15887         union being empty.
15888
15889 2005-01-29  Richard Henderson  <rth@redhat.com>
15890
15891         * combine.c (make_field_assignment): Fix argument order
15892         to gen_int_mode.
15893
15894 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
15895
15896         PR tree-optimization/15791
15897         * fold-const.c (extract_array_ref): New function.
15898         (fold): Fold comparisons between &a[i] and &a[j] or
15899         semantically equivalent trees.
15900
15901 2005-01-29  Jeff Law  <law@redhat.com>
15902
15903         * gcse.c (insert_expr_in_table): Revamp handling of available
15904         and anticipatable occurrence lists to avoid unnecessary list
15905         walking.
15906         (insert_set_in_table): Similarly.
15907
15908 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
15909
15910         * c-common.c (fix_string_type): Just use c_build_qualified_type to
15911         build string type.
15912         (c_build_qualified_type): Build qualified array types with
15913         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
15914         * c-decl.c (c_make_fname_decl): Build unqualified array type
15915         before qualified type.
15916         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
15917         type is qualified, not just if type itself is.  Don't apply
15918         qualifiers to array type when declarator is processed.  Apply
15919         qualifiers to field type whether or not it is an array type.
15920         Don't handle array types specially for applying qualifiers to
15921         variables.
15922         * c-typeck.c (composite_type): Build unqualified element type and
15923         array type when forming composite of array types.
15924         (common_pointer_type, comptypes, comp_target_types,
15925         type_lists_compatible_p, build_indirect_ref, build_array_ref,
15926         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
15927         types.
15928         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
15929         (args2) in variables a1 and a2.
15930
15931 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
15932
15933         * cse.c (n_elements_made, max_elements_made): Remove.
15934         (insert): Don't touch n_elements_made.
15935         (cse_main): Don't touch n_elements_made or max_elements_made.
15936
15937 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
15938
15939         PR target/15384
15940         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
15941         configuration part of dp-bit.c to be lost.
15942
15943 2005-01-28  Roger Sayle  <roger@eyesopen.com>
15944
15945         * expmed.c (expand_mult_highpart_optab): When attempting to use
15946         a non-widening multiplication in a wider mode, the operands need
15947         to be converted (zero or sign extended) to that mode.
15948
15949 2005-01-28  Ian Lance Taylor  <ian@airs.com>
15950
15951         PR middle-end/16558
15952         PR middle-end/19583
15953         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
15954         through if both operands fall through.
15955
15956 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
15957
15958         * cse.c (fold_rtx) <PC>: Don't optimize.
15959
15960 2005-01-28  Jeff Law  <law@redhat.com>
15961
15962         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
15963         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
15964
15965 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
15966
15967         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
15968         cse_reg_info_used_list_end): Remove.
15969         (cse_reg_info_list, cse_reg_info_list_free): New.
15970         (get_cse_reg_info): When allocating an instance of
15971         cse_reg_info, add it to the beginning of the cse_reg_info_list
15972         list.  Remove code to maintain cse_reg_info_used_list.
15973         (new_basic_block): Reset the free list to the beginning of
15974         cse_reg_info_list.
15975
15976 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
15977
15978         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
15979         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
15980         (frv_expand_mdpackh_builtin): New function.
15981         (frv_expand_builtin): Use it to expand __MDPACKH.
15982         * doc/extend.texi (__MDPACKH): Update documentation.
15983
15984 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
15985
15986         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
15987         SSE_FLOAT_MODE_P for use_sse computation.
15988
15989 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
15990
15991         PR target/19663
15992         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
15993
15994 2005-01-27  Richard Henderson  <rth@redhat.com>
15995
15996         * builtins.c (expand_builtin_copysign): New.
15997         (expand_builtin): Call it.
15998         * genopinit.c (optabs): Add copysign_optab.
15999         * optabs.c (init_optabs): Initialize it.
16000         (expand_copysign): New.
16001         * optabs.h (OTI_copysign, copysign_optab): New.
16002         (expand_copysign): Declare.
16003
16004         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
16005         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
16006
16007         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
16008         (ix86_expand_fp_absneg_operator): ... here.
16009         (ix86_split_copysign): New.
16010         * config/i386/i386-protos.h: Update.
16011         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
16012         (copysignsf3, copysigndf3): New.
16013
16014         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
16015         (copysignsf3, ncopysignsf3): New.
16016         (copysigndf3, ncopysigndf3): New.
16017         (copysignxf3, ncopysignxf3): New.
16018         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
16019
16020 2005-01-27  Arend Bayer  <arend.bayer@web.de>
16021             Kazu Hirata  <kazu@cs.umass.edu>
16022
16023         * cse.c: (find_best_addr): Don't call copy_rtx before calling
16024         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
16025         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
16026         NULL_RTX.
16027
16028 2005-01-27  Jeff Law  <law@redhat.com>
16029
16030         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
16031         definitions of SSA_NAMEs which are not being rewritten.
16032         (rewrite_ssa_into_ssa): Only initialize the current definition
16033         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
16034         If checking is enabled, assert that SSA_NAME_AUX is clear for all
16035         SSA_NAMEs before returning.
16036
16037 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
16038
16039         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
16040         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
16041         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
16042         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
16043         config/mips/iris6.h, config/sh/sh.c: Update copyright.
16044
16045 2005-01-27  Steven Bosscher  <stevenb@suse.de>
16046
16047         PR middle-end/17278
16048         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
16049         higher to -O2 and higher.  Likewise for tree PRE.
16050         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
16051         and better.
16052
16053 2005-01-27  Ian Lance Taylor  <ian@airs.com>
16054
16055         PR middle-end/19583
16056         * gimple-low.c (try_catch_may_fallthru): New static function.
16057         (block_may_fallthru): Handle TRY_CATCH_EXPR.
16058         * tree-inline.c (expand_call_inline): Don't warn about reaching
16059         the end of a non-void function being inlined if the function uses
16060         a return slot.
16061
16062 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
16063
16064         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
16065
16066         PR c/18946
16067         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
16068         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
16069         (implicitly_declare): Handle error_mark_node.
16070
16071 2005-01-27  Richard Henderson  <rth@redhat.com>
16072
16073         PR tree-opt/14329
16074         * tree.h (struct tree_decl): Add debug_expr_is_from.
16075         (DECL_DEBUG_EXPR_IS_FROM): New.
16076         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
16077         * dwarf2out.c (dwarf2out_var_location): Update to match.
16078         * tree-outof-ssa.c (create_temp): Likewise.
16079         * var-tracking.c (track_expr_p): Likewise.
16080         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
16081         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
16082         * toplev.c (default_tree_printer): Likewise.
16083
16084 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
16085
16086         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
16087         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
16088
16089 2005-01-27  Steven Bosscher  <stevenb@suse.de>
16090
16091         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
16092         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
16093         ASM_CLOBBERS): Add tree checks.
16094
16095         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
16096         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
16097         * c-common.def (SWITCH_STMT): Update to match.
16098         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
16099         macros instead of SWITCH_EXPR ones.
16100         * c-dump.c (c_dump_tree): Likewise.
16101         * c-gimplify.c (gimplify_switch_stmt): Likewise.
16102         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
16103
16104         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
16105
16106 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
16107
16108         * unwind-dw2.c (execute_stack_op): Add missing cases for
16109         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
16110
16111 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
16112
16113         * config.gcc (Obsolete configurations): Remove 'dummy', add
16114         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
16115         sparc-*-openbsd*.
16116
16117 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
16118
16119         PR tree-optimization/19633
16120         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
16121         CALL_EXPRs.
16122         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
16123         are no call-clobbered variables.
16124         * tree-outof-ssa.c (check_replaceable): Return false for calls
16125         with side-effects.
16126
16127 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
16128
16129         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
16130         even for variables with NULL DECL_INITIAL.
16131
16132 2005-01-26  Stuart Hastings  <stuart@apple.com>
16133
16134         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
16135
16136 2005-01-26  Richard Henderson  <rth@redhat.com>
16137
16138         PR middle-end/18008
16139         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
16140         field's type.
16141         * expr.c (store_field): Strip conversions to odd-bit-sized types
16142         if the destination field width matches.
16143
16144 2005-01-26  Richard Henderson  <rth@redhat.com>
16145
16146         * c-decl.c, expmed.c, expr.c: Revert last change.
16147
16148 2005-01-26  Richard Henderson  <rth@redhat.com>
16149
16150         PR middle-end/18008
16151         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
16152         field's type.
16153         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
16154         if we don't need the bits above those present in the current mode.
16155         * expr.c (store_field): Strip conversions to odd-bit-sized types
16156         if the destination field width matches.
16157
16158 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
16159
16160         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
16161         either -ffast-math or -funsafe-math-optimizations is in use.
16162
16163 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
16164
16165         PR target/19293
16166         PR target/19329
16167         * config/avr/avr.c (notice_update_cc): Only set condition code for
16168         ashrqi3 if shift count > 0.
16169         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
16170         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
16171         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
16172         count <= 0 as a no-op, and shift count >= width by copying zero
16173         or sign bit to all bits of the result.
16174         * config/avr/avr.md (all shifts): Add alternatives for zero shift
16175         count, with attribute "length" set to 0 and "cc" set to "none".
16176
16177 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
16178
16179         * doc/invoke.texi: Document -mTLS.
16180
16181         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
16182         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
16183         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
16184         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
16185         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
16186         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
16187         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
16188         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
16189
16190         * configure.ac: Check for a TLS capable gas.
16191
16192         * configure: Regenerate.
16193
16194 2005-01-26  Richard Henderson  <rth@redhat.com>
16195
16196         PR middle-end/18008
16197         * combine.c (make_field_assignment): Simplify store to zero_extract
16198         from a source with an overlapping mask.
16199
16200 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
16201
16202         2004-11-11  Eric Christopher  <echristo@redhat.com>
16203
16204         * config/frv/frv.md: Add fr400_integer automaton. Don't
16205         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
16206         to TYPE_MACC.
16207
16208 2005-01-26  Steven Bosscher  <stevenb@suse.de>
16209
16210         PR middle-end/16585
16211         * cfgbuild.c (make_edges): Do not clear or set
16212         current_function_has_computed_jump.
16213         * function.h (struct function): Remove the has_computed_jump field.
16214         (current_function_has_computed_jump): Do not define.
16215         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
16216         in a computed jump.  Ignore current_function_has_computed_jump.
16217
16218 2005-01-26  Richard Henderson  <rth@redhat.com>
16219
16220         PR middle-end/19515
16221         * expr.c (categorize_ctor_elements): New argument p_must_clear.
16222         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
16223         fully initialized.
16224         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
16225         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
16226         objects into static storage if they have more than one non-zero value.
16227         * tree.h (categorize_ctor_elements): Update decl.
16228
16229 2005-01-26  Steven Bosscher  <stevenb@suse.de>
16230
16231         PR middle-end/19616
16232         * tree.h (CALL_EXPR_TAILCALL): Add comment.
16233         * calls.c (check_sibcall_argument_overlap_1): Revert the change
16234         to this function from 2004-07-10.
16235         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
16236         the current function for tail call optimizations if the address
16237         of one of it its arguments is taken.
16238
16239 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
16240
16241         * cse.c (fold_rtx): Call equiv_constant only when necessary.
16242
16243 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
16244
16245         * function.c (expand_function_end): If current_function_calls_alloca,
16246         emit stack restore in a place that is reached when the function falls
16247         through at the end.
16248
16249 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
16250
16251         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
16252         rule to avoid matching inappropriate suffix rule.
16253
16254 2005-01-26  Jan Hubicka  <jh@suse.cz>
16255
16256         PR tree-optimization/19241
16257         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
16258
16259 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
16260
16261         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
16262         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
16263         of doubling.
16264         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
16265         <sim*>: Always use crt1.o, regardless of N in simN.
16266         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
16267         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
16268         (CRT_CALL_STATIC_FUNCTION): Remove.
16269         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
16270         use crt1.o, regardless of N in simN.
16271         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
16272         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
16273         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
16274         case isystem setting.
16275         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
16276
16277 2005-01-25  Ian Lance Taylor  <ian@airs.com>
16278
16279         * gimple-low.c (block_may_fallthru): Correct handling of
16280         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
16281
16282 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
16283
16284         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
16285         handlers to match indentation; nested under the mtune=* handler.
16286         Similar for mcpu= and march=.
16287
16288 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
16289
16290         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
16291         * config/mips/linux64.h (LIB_SPEC): Likewise.
16292         * config/mn10300/linux.h (LIB_SPEC): Likewise.
16293         * config/sh/linux.h (LIB_SPEC): Likewise.
16294
16295 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
16296
16297         * config/frv/frv.c (frv_legitimize_tls_address): New.
16298         (TARGET_HAVE_TLS): Define.
16299         (FRV_SYMBOL_REF_TLS_P): Define.
16300         (frv_override_options): Handle new register classes.
16301         (frv_legitimate_address_p): Reject tls addresses.
16302         (frv_legitimize_address): Handle TLS addresses.
16303         (gen_inlined_tls_plt): New.
16304         (gen_tlsmoff): New.
16305         (frv_legitimize_tls_address): New.
16306         (unspec_got_name): Add TLS entries.
16307         (got12_operand): Add R_FRV_TLSMOFF12 case.
16308         (frv_emit_move): Fixup TLS addresses.
16309         (frv_emit_movsi): Legitimize TLS addresses.
16310
16311         * config/frv/frv.h (MASK_BIG_TLS): New.
16312         (TARGET_BIG_TLS): New.
16313         (HAVE_AS_TLS): Define.
16314         (TARGET_SWITCHES): Add -mTLS and -mtls options.
16315         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
16316         (REG_CLASS_NAMES): Same.
16317         (REG_CLASS_CONTENTS): Same.
16318         (CONSTRAINT_LEN): New.
16319         (REG_CLASS_FROM_CONSTRAINT): New.
16320         (PREDICATE_CODES): Add symbolic_operand.
16321
16322         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
16323         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
16324         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
16325         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
16326         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
16327         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
16328         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
16329         GR9_REG, GR14_REG, LRREG.
16330         (type): Add load_or_call attribute.
16331         ("load_or_call"): New reservation.
16332         ("call_gettlsoff"): New.
16333         ("tls_indirect_call"): New.
16334         ("tls_load_gottlsoff12"): New.
16335         ("tlsoff_hilo"): New.
16336         ("tls_tlsdesc_ldd"): New.
16337         ("tls_tlsoff_ld"): New.
16338         ("tls_lddi"): New.
16339
16340         * config/frv/frv-protos.h (symbolic_operand): Protoize.
16341
16342         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
16343
16344         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
16345         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
16346         * config/frv/frv.c (TLS_BIAS): Define.
16347         (frv_output_dwarf_dtprel): New.
16348
16349 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
16350
16351         PR rtl-optimization/19579
16352         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
16353         both A and B, see if they don't clobber registers the other expr uses.
16354
16355 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
16356
16357         * real.c (do_add): Initialize signalling and canonical members.
16358
16359         * real.c (real_from_integer): Zero out destination.
16360
16361 2005-01-18  Jan Hubicka  <jh@suse.cz>
16362
16363         PR tree-optimize/19337
16364         * tree-inline.c (initialize_inlined_parameters): Copy
16365         saved_static_chain_decl only.
16366
16367 2005-01-25  Richard Henderson  <rth@redhat.com>
16368
16369         PR target/19556
16370         PR target/19584
16371         * config/i386/i386.c (x86_inter_unit_moves): Zero.
16372         (ix86_preferred_reload_class): Rewrite fp-constant section, with
16373         80387 enabled, to return a proper subclass.  Return the subset that
16374         overlaps with GENERAL_REGS for PLUS.
16375         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
16376
16377 2005-01-25  Richard Henderson  <rth@redhat.com>
16378
16379         PR middle-end/19609
16380         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
16381
16382 2005-01-25  Roger Sayle  <roger@eyesopen.com>
16383
16384         * expmed.c (choose_multiplier): Change interface to return the
16385         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
16386         (expand_divmod): Update calls to choose_multiplier.
16387
16388 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16389
16390         PR middle-end/19330
16391         * expmed.c (extract_bit_field): Use adjust_address instead of
16392         gen_lowpart when op0 is a MEM.
16393
16394 2005-01-24  Steven Bosscher  <stevenb@suse.de>
16395
16396         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
16397
16398 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
16399
16400         * config/mips/irix-csr.c: New file.
16401         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
16402         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
16403         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
16404         executables.
16405
16406 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
16407
16408         PR bootstrap/19364
16409         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
16410         sparc/elf.h, add sparc/sp-elf.h.
16411         (sparc-*-rtems*): Likewise.
16412         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
16413         tm-dwarf2.h, add sparc/sp-elf.h.
16414         (sparc86x-*-elf): Likewise.
16415         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
16416         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
16417         TARGET_OS_CPP_BUILTINS.
16418         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
16419         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
16420         Undefine it.
16421         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
16422         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
16423         (SWITCH_TAKES_ARG): Likewise.
16424         (LOCAL_LABEL_PREFIX): Likewise.
16425         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
16426         (TARGET_N_FORMAT_TYPES): Delete.
16427         (TARGET_FORMAT_TYPES): Likewise.
16428         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
16429         * config/sparc/elf.h: Delete.
16430         * config/sparc/sp-elf.h: New file.
16431
16432 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
16433
16434         * tree-flow-inline.h (phi_arg_from_edge): Remove.
16435         * tree-flow.h: Remove the corresponding prototype.
16436         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
16437         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
16438
16439 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
16440
16441         PR target/17751
16442         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
16443         for AIX ABI or ELF -fPIC.
16444         (rs6000_emit_load_toc_table): Don't create toc_section here.
16445         (rs6000_xcoff_file_start): Nor here.
16446
16447 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
16448
16449         * sh.c (ra.h): Don't #include.
16450         (hard_regs_intersect_p): New function, resurrected from ra.c.
16451
16452         * sh.c: Fix 1996 Copyright.
16453
16454 2005-01-24  Richard Henderson  <rth@redhat.com>
16455             Aldy Hernandez  <aldyh@redhat.com>
16456
16457         * regrename.c (note_sets): Handle subregs.
16458
16459 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
16460
16461         PR bootstrap/18058
16462         * genconditions.c (write_header, write_conditions): Elide file if
16463         not GCC >= 3.0.1.
16464
16465 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
16466
16467         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
16468         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
16469         Update copyright.
16470
16471 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
16472
16473         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
16474         expand_builtin_printf, expand_builtin_fprintf,
16475         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
16476         checking against POINTER_TYPE.
16477         (validate_arglist): Handle POINTER_TYPE code by checking
16478         POINTER_TYPE_P.
16479
16480 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
16481
16482         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
16483         init_rtlanal): New.
16484         (for_each_rtx): Call for_each_rtx_1.
16485         * rtl.h (init_rtlanal): Declare.
16486         * toplev.c (backend_init): Call init_rtlanal.
16487
16488 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
16489
16490         * flow.c (propagate_one_insn): Formatting.
16491
16492         PR middle-end/19551
16493         * flow.c (libcall_dead_p): Be more conservative if unsure.
16494         If there are any instructions between insn and call, see if they are
16495         all dead before saying the libcall is dead.
16496
16497 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
16498
16499         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
16500         operand constraint for operand 0.
16501
16502 2005-01-23  Richard Henderson  <rth@redhat.com>
16503
16504         PR 19486
16505         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
16506         edges leading to join block.
16507
16508 2005-01-23  Roger Sayle  <roger@eyesopen.com>
16509
16510         * expmed.c (expand_mult_highpart): Make static.  Change type of
16511         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
16512         (expand_divmod): Updates calls to expand_mult_highpart by using
16513         gen_int_mode to pass a CONST_INT rtx.
16514         * rtl.h (expand_mult_highpart): Remove prototype.
16515
16516 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
16517
16518         * flow.c (regset_bytes, regset_size): Remove.
16519
16520         * cfganal.c: Fix a reference to Harvey's paper.
16521
16522 2005-01-23  Steven Bosscher  <stevenb@suse.de>
16523
16524         PR rtl-optimization/19464
16525         * tree-optimize.c (init_tree_optimization_passes): Add one more
16526         copyrename pass just before out-of-ssa.
16527
16528 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
16529
16530         PR bootstrap/18058
16531         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
16532         * ggc-none.c (ggc_free): Define.
16533
16534 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
16535
16536         * cse.c (max_reg, max_insn_uid): Remove.
16537         (cse_main): Don't access max_reg or max_insn_uid.
16538
16539         * c-common.c (explicit_flag_signed_bitfields,
16540         lang_statement_code_p, lang_expand_function_end): Remove.
16541         * c-common.h: Remove the corresponding declarations.
16542         * c-opts.c (c_common_handle_option): Remove all write access
16543         to explicit_flag_signed_bitfields.
16544
16545         * cgraph.c (cgraph_varpool_n_nodes): Remove.
16546         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
16547         * cgraph.h: Remove the corresponding declaration.
16548
16549         * gcse.c (null_pointer_info): Remove.
16550
16551 2005-01-23  Roger Sayle  <roger@eyesopen.com>
16552             Eric Botcazou  <ebotcazou@libertysurf.fr>
16553
16554         * combine.c (simplify_logical): Only simplify logical expressions
16555         of the form ior(and(x,y),z) by the inverse distributive law if the
16556         result is cheaper than the original.
16557
16558 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
16559
16560         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
16561         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
16562         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
16563         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
16564         config/freebsd-spec.h, config/arm/arm.h,
16565         config/h8300/h8300.md, config/i386/i386.md,
16566         config/i386/predicates.md, config/i386/sse.md,
16567         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
16568         config/vax/vax.md: Fix comment typos.  Follow spelling
16569         conventions.
16570
16571 2005-01-23  Steven Bosscher  <stevenb@suse.de>
16572
16573         * gengtype.c (walk_type): Produce `not equal to' compares for loop
16574         tests, instead of `less than'.
16575
16576 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
16577
16578         * function.c (assign_parm_setup_block): When creating a new stack slot
16579         for a parameter, get its alignment from the parameter's DECL_ALIGN
16580         rather than the type's TYPE_ALIGN.  Make sure that the parameter
16581         is at least word aligned.
16582
16583 2005-01-22  Roger Sayle  <roger@eyesopen.com>
16584
16585         PR middle-end/19378
16586         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
16587
16588 2005-01-22  Richard Henderson  <rth@redhat.com>
16589
16590         PR target/19506
16591         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
16592         in both compare operands.
16593         (movdfcc_1_sse_max): Likewise.
16594         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
16595         (movdfcc_1_sse): Likewise.
16596         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
16597         scratch register as needed.
16598
16599 2005-01-22  Richard Henderson  <rth@redhat.com>
16600
16601         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
16602
16603         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
16604
16605 2005-01-22  Richard Henderson  <rth@redhat.com>
16606
16607         * genopinit.c (optabs): Use smin/smax for floating point too.
16608         * doc/md.texi: Update to match.  Clarify that floating point
16609         results are undefined for +0/-0 and NaN.
16610         * doc/rtl.texi: Likewise.
16611         * rtl.def (SMIN, SMAX): Likewise
16612         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
16613
16614         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
16615         leading 's' to the name.
16616         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
16617         smaxxf3, sminxf3): Likewise.
16618         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
16619         Likewise.
16620
16621 2005-01-22  Paul Brook  <paul@codesourcery.com>
16622
16623         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
16624
16625 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
16626
16627         * config/s390/s390.c (struct processor_costs): New fields
16628         dlgr, dlr, dr, dsgfr, dsgr.
16629         (z900_cost, z990_cost): Values for new fields.
16630         (s390_rtx_costs): New cases MEM und COMPARE in switch
16631         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
16632         DIV, MOD, UDIV, UMOD.
16633
16634 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
16635
16636         * config/s390/s390.md ("doloop_si64"): Reload input value directly
16637         into the register being decremented.
16638         ("doloop_si31", "doloop_di"): Likewise.
16639         ("*doloop_si_long"): Adapt pattern.
16640
16641 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
16642
16643         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
16644         access registers.
16645         (CLASS_MAX_NREGS): Likewise.
16646
16647 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
16648
16649         * doc/tree-ssa.texi (Statement Operands): Add example for new
16650         must-def macro. Note deprecation of old operands interface.
16651
16652 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
16653
16654         PR tree-optimization/19484
16655         * tree-cfg.c (remove_fallthru_edge): New function.
16656         (cleanup_control_flow): Remove fallthru edges from calls that are
16657         now known not to return.
16658
16659 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
16660
16661         Fix PR tree-optimization/19038
16662         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
16663         copies with loop variant ones.
16664
16665 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
16666
16667         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
16668         config/alpha/alpha-protos.h, config/alpha/alpha.h,
16669         config/alpha/alpha.md, config/alpha/predicates.md,
16670         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
16671         config/sparc/sol2.h: Update copyright.
16672
16673         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
16674         first label to see if it is a nonlocal label.
16675
16676 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
16677             Andrew Pinski  <pinskia@physics.uc.edu>
16678
16679         PR target/19491
16680         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
16681         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
16682
16683 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
16684
16685         * config/rs6000/rtems.h: Update copyright.
16686
16687 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
16688
16689         PR target/19548
16690         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
16691         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
16692         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
16693
16694 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
16695
16696         PR c/18809
16697         * c-typeck.c (convert_arguments): Check for error_mark_node.
16698
16699 2005-01-21  Ian Lance Taylor  <ian@airs.com>
16700
16701         PR tree-optimization/13000
16702         * tree-inline.c: Include "tree-flow.h".
16703         (expand_call_inline): If warn_return_type, warn if non-void inline
16704         function falls through.
16705         * tree-cfg.c (execute_warn_function_return): Don't warn about
16706         control reaching end if TREE_NO_WARNING is set.  Set
16707         TREE_NO_WARNING.
16708         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
16709         has been lowered.
16710         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
16711         branch if we don't need one.
16712         * c-typeck.c: Include "tree-flow.h"
16713         (c_finish_bc_stmt): Don't add a goto if the current statement
16714         list doesn't fall through to the current point.
16715
16716 2005-01-21  Roger Sayle  <roger@eyesopen.com>
16717
16718         PR rtl-optimization/576
16719         * real.c (real_arithmetic): Change return type from void to bool
16720         to return an indication that the result may be inexact.
16721         * real.h (real_arithmeric): Update prototype.
16722         * fold-const.c (const_binop):  Don't constant fold floating
16723         point expressions when the user specifies -frounding-math and
16724         the result may depend upon the run-time rounding mode.
16725         (fold_convert_const_real_from_real): Clean-up.
16726         (fold_initializer): Ignore flag_rounding_math for initializers.
16727         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
16728         constant fold FP operations with flag_rounding_math if the
16729         result may depend upon the run-time rounding mode.
16730
16731 2005-01-21  Tom Tromey  <tromey@redhat.com>
16732
16733         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
16734
16735 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
16736
16737         * tree-cfg.c: Fix comment typos.
16738
16739 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
16740
16741         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
16742         around the call to rest_of_handle_branch_target_load_optimize.
16743
16744 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
16745
16746         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
16747         (sparc64-*-openbsd*): Likewise.
16748         (sparclite-*-elf*): Include tm-dwarf2.h.
16749         (sparc86x-*-elf*): Likewise.
16750         (sparc64-*-elf*): Likewise.
16751         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
16752         (DBX_DEBUGGING_INFO): Likewise.
16753         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
16754         (PREFERRED_DEBUGGING_TYPE): Likewise.
16755         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
16756         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
16757         (PREFERRED_DEBUGGING_TYPE): Likewise.
16758         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
16759         (PREFERRED_DEBUGGING_TYPE): Likewise.
16760         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
16761
16762 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
16763
16764         PR target/18701
16765         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
16766
16767 2005-01-20  Paul Brook  <paul@codesourcery.com>
16768
16769         * doc/rtl.texi: Document value extension requirements for CONST_INT.
16770
16771 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
16772
16773         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
16774         label is first in a sequence of labels.
16775
16776         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
16777
16778 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
16779             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
16780
16781         * doc/sourcebuild.texi (Test Directives): New.
16782
16783 2005-01-20  Roger Sayle  <roger@eyesopen.com>
16784
16785         * real.c (real_floor): Don't leave the result uninitialized when
16786         mode is VOIDMode, but return the unrounded intermediate value.
16787         (real_ceil): Likewise.
16788
16789 2005-01-20  Paul Brook  <paul@codesourcery.com>
16790
16791         * config/arm/arm.md (insv): Use gen_int_mode.
16792
16793 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
16794
16795         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
16796         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16797         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16798         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16799         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
16800
16801 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
16802
16803         Fix PR debug/19124
16804         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
16805         fbreg, so we have to assume we can't.
16806         (loc_descriptor_from_tree_1): Ditto.
16807         (containing_function_has_frame_base): New function.
16808         (add_location_or_const_value_attribute): Use it.
16809         Also try to generate a frame_base from a single element location
16810         list.
16811
16812 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
16813
16814         PR tree-optimization/15349
16815         * timevar.def (TV_TREE_MERGE_PHI): New.
16816         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
16817         PHI_WANTED.
16818         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
16819         calls to tree_forwarder_block_p.
16820         (remove_forwarder_block_with_phi, merge_phi_nodes,
16821         gate_merge_phi, pass_merge_phi): New.
16822         * tree-optimize.c (init_tree_optimization_passes): Add
16823         pass_merge_phi.
16824         * tree-pass.h: Add an extern for pass_merge_phi;
16825
16826 2005-01-20  Richard Henderson  <rth@redhat.com>
16827
16828         PR target/19418
16829         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
16830         (_mm_castps_pd, _mm_castps_si128): New.
16831         (_mm_castsi128_ps, _mm_castsi128_pd): New.
16832
16833 2005-01-20  Richard Henderson  <rth@redhat.com>
16834
16835         PR target/19530
16836         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
16837         __builtin_ia32_vec_init_v2si.
16838         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
16839         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
16840         (ix86_init_mmx_sse_builtins): Create it.
16841         (ix86_expand_builtin): Expand it.
16842         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
16843         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
16844         (vec_extractv2si_0, vec_extractv2si_1): New.
16845
16846 2005-01-20  Richard Henderson  <rth@redhat.com>
16847
16848         PR target/16533
16849         * config/i386/i386.c (ix86_expand_push): New.
16850         * config/i386/mmx.md (push<MMXMODE>1): New.
16851         * config/i386/sse.md (push<SSEMODE>1): New.
16852         * config/i386/i386-protos.h: Update.
16853
16854 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
16855
16856         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
16857         copyright.
16858
16859 2005-01-20  Richard Henderson  <rth@redhat.com>
16860
16861         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
16862         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
16863
16864 2005-01-19  Richard Henderson  <rth@redhat.com>
16865
16866         PR target/19350
16867         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
16868         to V4SFmode in SSE1 fallback load path.
16869
16870 2005-01-19  Richard Henderson  <rth@redhat.com>
16871
16872         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
16873         in QImode expansion to ix86_expand_vector_set.
16874         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
16875
16876 2005-01-19  Richard Henderson  <rth@redhat.com>
16877
16878         PR target/19511
16879         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
16880         subclass of the input class.
16881         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
16882         Always true for cross-SSE1 classes.  Rationalize conditionals.
16883         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
16884         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
16885         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
16886         (movdi_2): Add MMX/SSE zeros.
16887         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
16888         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
16889         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
16890         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
16891         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
16892         (zero_extendsidi2_rex64_1): Remove.
16893         (MOV0 peephole): Check GENERAL_REG_P.
16894
16895 2005-01-19  Richard Henderson  <rth@redhat.com>
16896
16897         PR target/19427
16898         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
16899         shufps elements.
16900         (ix86_expand_vector_extract): Likewise.
16901
16902 2005-01-19  Richard Henderson  <rth@redhat.com>
16903
16904         PR middle-end/19304
16905         * expr.c (emit_move_change_mode): New argument force; use
16906         simplify_gen_subreg if true.
16907         (emit_move_via_alt_mode): Merge into ...
16908         (emit_move_via_integer): ... here.
16909         (emit_move_ccmode): Use emit_move_change_mode directly.
16910
16911 2005-01-19  Richard Henderson  <rth@redhat.com>
16912
16913         PR target/19518
16914         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
16915         (alpha_preferred_reload_class): Handle CONST_VECTOR.
16916         (alpha_emit_set_const_1): Add no_output parameter; don't emit
16917         rtl if true.
16918         (alpha_emit_set_const): Likewise.  Make static.
16919         (alpha_emit_set_long_const): Make static.
16920         (alpha_extract_integer): Split out from alpha_expand_mov.
16921         (alpha_split_const_mov): Likewise.
16922         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
16923         (alpha_legitimate_constant_p): New.
16924         * config/alpha/alpha-protos.h: Update.
16925         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
16926         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
16927         * config/alpha/alpha.md (movsi): Add n alternative.
16928         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
16929         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
16930         (splitters for all of the above): Use alpha_split_const_mov.
16931         * config/alpha/predicates.md (non_add_const_operand): New.
16932         (non_zero_const_operand): New.
16933         (input_operand): Use alpha_legitimate_constant_p after reload.
16934
16935 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
16936
16937         PR tree-optimization/19038
16938         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
16939         (add_candidate): Add ivs with increment in latch only if
16940         allow_ip_end_pos_p is true.
16941         (determine_iv_cost): Use empty_block_p.
16942
16943 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
16944
16945         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
16946         (compute_dominance_frontiers): Ditto.
16947
16948 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
16949
16950         PR target/19529
16951         * config/sh/t-rtems: New.
16952         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
16953
16954 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
16955
16956         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
16957         the offset of the selected field.
16958
16959 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
16960
16961         * tree-cfg.c (remove_forwarder_block): Fix the check to
16962         prevent a nonlocal label from appearing in the middle of a
16963         basic block.
16964
16965 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
16966
16967         PR rtl-optimization/19462
16968         * reorg.c (find_end_label): Create return insn only if
16969         current_function_epilogue_delay_list is empty.
16970
16971 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
16972
16973         * doc/passes.texi: Remove paragraph mentioning new-ra.
16974
16975 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
16976
16977         PR rtl-optimization/15139
16978         * combine.c: Include params.h.
16979         (count_rtxs): New function.
16980         (record_value_for_reg): If replace_rtx would replace at least
16981         2 occurrences of REG in VALUE and TEM is really large, replace REG with
16982         (clobber (const_int 0)) instead of TEM.
16983         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
16984         * params.h (MAX_LAST_VALUE_RTL): New.
16985         * Makefile.in (combine.o): Depend on $(PARAMS_H).
16986         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
16987
16988         PR c/17297
16989         * c-typeck.c (digest_init): Only call build_vector if all constructor
16990         elements are *_CST nodes.
16991         * gimplify.c (gimplify_init_constructor): Likewise.
16992
16993         PR middle-end/19164
16994         * c-typeck.c (digest_init): Only call build_vector if inside_init
16995         is a CONSTRUCTOR.
16996
16997 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
16998
16999         * toplev.c (init_asm_output): Remove dead #ifdef.
17000
17001 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
17002
17003         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
17004
17005 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
17006
17007         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
17008         accessing DECL_FUNCTION_CODE.
17009         * dojump.c (do_jump): Likewise.
17010         * gimplify.c (gimplify_call_expr): Likewise.
17011         * predict.c (expr_expected_value): Likewise.
17012         (strip_builtin_expect): Likewise.
17013         * tree-inline.c (estimate_num_insns_1): Likewise.
17014         * tree-ssa-loop-im.c (stmt_cost): Likewise
17015         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
17016         (tree_expr_nonnegative_p): Likewise.
17017
17018 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
17019
17020         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
17021         variant of the load_pcrel_sym pattern.
17022         * config/sparc/sparc.md (P macro): Move to the top.
17023         (load_pcrel_sym): Macroize using P.
17024         (save_register_window): Likewise.
17025
17026 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
17027
17028         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
17029         ("sordered"): Same.
17030
17031 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
17032
17033         PR C/19472
17034         * c-typeck.c (build_asm_expr): Strip nops off
17035         input memory operands.
17036
17037 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
17038
17039         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
17040         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
17041         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
17042         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
17043
17044 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
17045
17046         PR target/19379
17047         * config/i386/i386.c (override_options): If the 80387 is disabled,
17048         then do not return FP values using FP registers.
17049
17050 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
17051
17052         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
17053         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
17054         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
17055         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
17056         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
17057         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
17058         output.h, postreload-gcse.c, postreload.c, recog.c,
17059         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
17060         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
17061         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
17062         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
17063         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
17064         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
17065         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
17066         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
17067
17068         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
17069         config/alpha/alpha.c, config/arm/vfp.md,
17070         config/i386/emmintrin.h, config/i386/i386-modes.def,
17071         config/i386/i386-protos.h, config/i386/i386.h,
17072         config/i386/pmmintrin.h, config/i386/ppro.md,
17073         config/i386/predicates.md, config/i386/xmmintrin.h,
17074         config/i860/i860.c, config/ia64/ia64-modes.def,
17075         config/ia64/ia64-protos.h, config/ia64/ia64.h,
17076         config/ia64/ia64.md, config/ia64/itanium1.md,
17077         config/ia64/itanium2.md, config/ia64/predicates.md,
17078         config/iq2000/iq2000.h, config/mips/linux64.h,
17079         config/rs6000/aix41.h, config/rs6000/aix43.h,
17080         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
17081         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
17082         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
17083         config/sparc/linux64.h, config/sparc/litecoff.h,
17084         config/sparc/sp64-elf.h, config/sparc/sparc.c,
17085         config/sparc/sparc.h, config/sparc/sparc.md,
17086         config/sparc/sysv4-only.h: Update copyright.
17087
17088 2005-01-18  Richard Henderson  <rth@redhat.com>
17089
17090         PR target/19496
17091         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
17092
17093 2005-01-18  Marc Espie  <espie@openbsd.org>
17094         * config/i386/openbsdelf.h: Typo.
17095
17096 2005-01-18  Richard Henderson  <rth@redhat.com>
17097
17098         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
17099         special case for sse.
17100         * config/i386/predicates.md (sse_comparison_operator): Likewise.
17101
17102 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
17103
17104         * tree-inline.c (estimate_num_insns_1): Added cases for
17105         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
17106
17107 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
17108
17109         PR rtl-optimization/19296
17110         * combine.c (simplify_comparison): Rewrite the condition under
17111         which a non-paradoxical SUBREG of a PLUS can be lifted when
17112         compared against a constant.
17113
17114 2005-01-18  Andi Kleen <ak@muc.de>
17115
17116         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
17117         * c.opt (-Wpointer-sign): Add.
17118         * doc/invoke.texi: (-Wpointer-sign): Add.
17119
17120 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
17121
17122         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
17123         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
17124         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
17125         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
17126         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
17127         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
17128         for TARGET_MIX_SSE_I387.
17129         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
17130         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
17131         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
17132         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
17133         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
17134         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
17135         TARGET_MIX_SSE_I387.
17136         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
17137         from expander.
17138
17139 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
17140
17141         PR target/19424
17142         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
17143         Add movaps alternative for xmm reg->reg move.
17144
17145 2005-01-17  Jeff Law  <law@redhat.com>
17146
17147         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
17148         at the end of the main DOM loop rather than just before DOM exits.
17149
17150 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
17151
17152         PR tree-optimization/19121
17153         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
17154         adding aliases to a name tag, also add them to the pointer's
17155         type tag.
17156         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
17157         sensitive alias info at all.  Only check that the two pointers
17158         have compatible pointed-to sets.
17159         * tree-ssa.c (verify_name_tags): Verify that the alias set of
17160         a pointer's type tag is a superset of the alias set of the
17161         pointer's name tag.
17162
17163 2005-01-17  James E Wilson  <wilson@specifixinc.com>
17164
17165         PR target/19357
17166         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
17167         comment to document why.
17168
17169 2005-01-17  Richard Henderson  <rth@redhat.com>
17170
17171         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
17172         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
17173         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
17174         sse2_vmsminv2df3_finite): New.
17175         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
17176         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
17177         Force op1 into register.
17178
17179 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
17180
17181         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
17182         bubblestrap from always rebuilding build directory.
17183
17184 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
17185
17186         * config/s390/s390.md ("*clc"): Remove incorrect '='.
17187         ("*cmpmem_short"): Likewise.
17188
17189 2005-01-17  Steven Bosscher  <stevenb@suse.de>
17190
17191         * basic-block.h: Document BB_* flags.
17192         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
17193         use an sbitmap instead.
17194         * sched-rgn.c (compute_trg_info): Likewise.
17195
17196 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
17197
17198         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
17199         redundant target_cpu_default and extra_parts lines.  Use the default
17200         "from-abi" ISA.
17201         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
17202         (SUBTARGET_EXTRA_SPECS): Delete.
17203         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
17204         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
17205         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
17206         and "n32" for -mabi=n32.
17207
17208 2005-01-17  Ian Lance Taylor  <ian@airs.com>
17209
17210         PR c/5675
17211         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
17212         fold constant variables into initial values.
17213
17214 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
17215
17216         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
17217
17218         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
17219         through the statements backward.
17220
17221 2005-01-17  Ian Lance Taylor  <ian@airs.com>
17222
17223         PR middle-end/13127:
17224         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
17225         a variable set to the return value of the inlined function.
17226
17227 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
17228
17229         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
17230         when modes are tieable.
17231
17232 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
17233
17234         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
17235         of pthread_create to find out if threads are enabled.
17236         * gthr-posix95.h (__gthread_active_p): Likewise.
17237
17238 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
17239
17240         * common.opt (-fnew-ra): Remove.
17241         * ra*.*: Remove.
17242         * toplev.h (flag_new_regalloc): Remove.
17243         * Makefile.in (ra*.*): Don't mention.
17244         * passes.c (rest_of_handle_new_regalloc): Remove.
17245         (rest_of_handle_combine, rest_of_compilation): Always consider
17246         flag_new_regalloc as false.
17247         * doc/invoke.texi: Don't document -fnew-ra.
17248
17249 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
17250
17251         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
17252         last parameter to reg_scan.
17253         * loop.c (loop_optimize): Likewise.
17254         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
17255         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
17256         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
17257         rest_of_handle_gcse, rest_of_handle_loop_optimize,
17258         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
17259         * regclass.c (reg_scan): Likewise, for the declaration.
17260         * rtl.h (reg_scan): Likewise, for the prototype.
17261
17262 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
17263
17264         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
17265         mark_dfs_back_edges.
17266
17267 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
17268
17269         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
17270         (compute_avail): Uses don't go in tmp_gen.
17271
17272 2005-01-16  Steven Bosscher  <stevenb@suse.de>
17273
17274         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
17275         loop to look for a free slot in a page entry.
17276
17277 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17278
17279         PR target/16304
17280         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
17281         * toplev.c (compile_file): Call process_pending_assemble_output_defs
17282         just before targetm.asm_out.file_end.
17283         * tree.h (process_pending_assemble_output_defs): Declare.
17284         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
17285         New functions.
17286         (assemble_alias): Defer generation of assembly code for defines when
17287         TARGET_DEFERRED_OUTPUT_DEFS is true.
17288         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
17289         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
17290         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
17291
17292 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17293
17294         PR target/19336
17295         * pa.c (pa_scalar_mode_supported_p): New function.
17296         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17297         * pa.h (MIN_UNITS_PER_WORD): Add comment.
17298
17299         * pa-protos.h (prefetch_operand): Delete.
17300         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
17301         * pa.c (prefetch_operand): Delete.
17302         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
17303         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
17304         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
17305         and prefetch_nocc_operand.
17306         * pa.md (prefetch): Rework to avoid reload problems handling short
17307         displacements when a cache control completer needs to be provided.
17308         (prefetch_32, prefetch_64): Delete.
17309         (prefetch_cc, prefetch_nocc): New patterns.
17310
17311 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
17312
17313         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
17314
17315 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17316
17317         PR ada/19388
17318         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
17319         exceeds maximum alignment for global common data.
17320         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
17321         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
17322
17323 2004-01-15  Roger Sayle  <roger@eyesopen.com>
17324
17325         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
17326
17327 2004-01-15  Roger Sayle  <roger@eyesopen.com>
17328
17329         * harg-reg-set.h (reg_class_names): Prototype global array.
17330         * regclass.c (reg_class_names): Declare here and initialize to
17331         REG_CLASS_NAMES.
17332         (dump_regclass): Remove local declaration of reg_class_names.
17333         (regclass): Likewise.
17334         * cfg.c (dump_flow_info): Likewise.
17335         * ra-debug.c (reg_class_names): Likewise.
17336         * regrename.c (reg_class_names): Likewise.
17337         * reload.c (reg_class_names): Likewise.
17338         * reload1.c (spill_failure): Likewise.
17339         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
17340
17341 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
17342
17343         * config/s390/s390.md ("reload_outti"): Remove predicate for
17344         output operand.  Abort if operand is not a MEM.
17345         ("reload_outdi", "reload_outdf"): Likewise.
17346
17347 2005-01-15  Marc Espie  <espie@openbsd.org>
17348
17349         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
17350         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
17351         * config/openbsd.h:  Fix C++ includes for native configurations.
17352         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
17353         Add trampoline support.
17354         * config/i386/openbsdelf.h: New.
17355
17356 2005-01-15  Marc Espie  <espie@openbsd.org>
17357
17358         * collect2.c (main): Explicitly parse -dynamic-linker option.
17359
17360 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
17361
17362         PR tree-optimization/19060
17363         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
17364         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
17365         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
17366         and handle extract_range_from_cond returning false.
17367         * fold-const.c (fold): Optimize comparisons with min/max even for
17368         width > HOST_BITS_PER_WIDE_INT.
17369
17370 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
17371
17372         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
17373         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
17374         Remove little endian multilib variants.
17375         Add mips32 multilib variant.
17376
17377 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
17378
17379         * explow.c (copy_all_reg, stabilize): Remove.
17380         * expr.h: Remove the corresponding prototypes.
17381
17382         * rtlanal.c (regs_set_between_p): Remove.
17383         * rtl.h: Remove the corresponding prototype.
17384
17385 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
17386
17387         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
17388         to rs6000_nonimmediate_operand.
17389         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
17390         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
17391         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
17392         rs6000_nonimmediate_operand.
17393         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
17394         rs6000_nonimmediate_operand.
17395
17396 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
17397
17398         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
17399
17400 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
17401
17402         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
17403         on e500v2.
17404         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
17405         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
17406
17407         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
17408         (rs6k_nonimmediate_operand): New.
17409         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
17410         correctly.
17411         (legitimate_lo_sum_address_p): Same.
17412         (rs6000_legitimize_address): Same.
17413         (rs6000_legitimize_reload_address): Same.
17414         (rs6000_legitimate_address): Same.
17415         (spe_build_register_parallel): Pass DF and DC modes in a DI
17416         register.
17417
17418         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
17419         to rs6k_nonimmediate_operand.
17420
17421         * config/rs6000/spe.md ("*frob_df_di"): New.
17422         ("*frob_di_df"): New.
17423         ("*frob_di_df_2"): New.
17424         ("*mov_sidf_e500_subreg0"): New.
17425         ("*mov_sidf_e500_subreg4"): New.
17426         ("*movdf_e500_double"): Change predicate to
17427         rs6k_nonimmediate_operand.
17428
17429 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
17430
17431         * postreload.c (move2add_note_store): Only call
17432         trunc_int_for_mode on scalar integers.
17433
17434 2005-01-14  Steven Bosscher  <stevenb@suse.de>
17435
17436         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
17437         replace BB_VISITED uses.
17438         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
17439         (propagate_necessity): Check the bitmap instead of BB_VISITED.
17440         (tree_dce_done): Free visited_control_parents.
17441         (perform_tree_ssa_dce): Allocate and clear it.
17442         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
17443         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
17444         instead of BB_VISITED.
17445
17446 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
17447
17448         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
17449         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
17450         Remove unused prototypes.
17451
17452 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
17453
17454         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
17455         64-bit register usage.
17456         (spe_func_has_64bit_regs_p): Add FIXME note.
17457
17458 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
17459
17460         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
17461         flag_finite_math_only with flag_unsafe_math_optimizations.
17462
17463 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
17464
17465         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
17466         end-of-stack check.
17467         (__tpf_eh_return): Copy TPF private stack area from the module
17468         boundary stack frame.  Add check for when module addresses are
17469         equal, but no stub address is found.
17470
17471 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
17472
17473         PR target/7525
17474         * arm.h (struct machine_function): Add call_via field.
17475         (thumb_call_via_label): Declare.
17476         * arm.c (thumb_call_via_label): New variable.
17477         (thumb_call_reg_needed): New variable.
17478         (arm_output_function_epilogue): For Thumb code, output any per-function
17479         call-indirect trampolines.
17480         (thumb_call_via_reg): New function.
17481         (arm_file_end): New function.
17482         (TARGET_ASM_FILE_END): Call arm_file_end.
17483         (aof_file_end): Likewise.
17484         * arm-protos.h (thumb_call_via_reg): Declare.
17485         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
17486         thumb_call_via_reg in normal case.
17487
17488 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
17489
17490         PR middle-end/19084
17491         PR rtl-optimization/19348
17492         * recog.c (peephole2_optimize): Do global life update if some peephole
17493         decides it doesn't need at least one of its inputs and that change
17494         influences liveness at the start of the basic block.
17495
17496         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
17497         arguments instead of 1.
17498
17499 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
17500
17501         PR middle-end/18820
17502         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
17503         zero for nested functions needing a static chain or functions
17504         with a non-constant address.
17505
17506 2005-01-13  Roger Sayle  <roger@eyesopen.com>
17507
17508         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
17509         (and (sign_extend X) C) into (zero_extend (and X C)).
17510
17511 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
17512
17513         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
17514
17515 2005-01-13  Richard Henderson  <rth@redhat.com>
17516
17517         PR target/19009
17518         PR target/19250
17519         PR target/19252
17520         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
17521         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
17522         not just TARGET_SSE.
17523         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
17524         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
17525         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
17526         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
17527         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
17528         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
17529         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
17530         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
17531         (movdicc_c_rex64): Rename with '*'.
17532         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
17533         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
17534         (movsfcc_1_387): Rename from movsfcc_1.
17535         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
17536         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
17537         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
17538         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
17539         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
17540         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
17541         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
17542         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
17543         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
17544         sse_movdfcc_const0_4): Remove.
17545         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
17546         recognize min/max early.  Update for changed sse cmove patterns.
17547         (ix86_split_sse_movcc): New.
17548         * config/i386/i386-protos.h: Update.
17549
17550 2005-01-13  Steven Bosscher  <stevenb@suse.de>
17551
17552         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
17553         (fix_stmt_v_may_defs): Likewise.
17554
17555 2005-01-13  Richard Henderson  <rth@redhat.com>
17556
17557         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
17558         for converting the mask.
17559
17560 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
17561
17562         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
17563         definition to 600.
17564
17565 2005-01-13  Richard Henderson  <rth@redhat.com>
17566
17567         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
17568         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
17569         IX86_BUILTIN_MOVDQ2Q): Remove.
17570         (IX86_BUILTIN_VEC_EXT_V4SI): New.
17571         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
17572         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
17573         shuffling.
17574         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
17575         (sse2_pextrw): Fix immediate constraint.
17576         (sse2_loadq, sse2_loadq_rex64): Remove.
17577         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
17578         Use __builtin_ia32_vec_ext_<size>.
17579         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
17580
17581 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
17582
17583         * function.c (assign_parm_setup_block): Look inside original
17584         entry_parm when inspecting PARALLEL.
17585
17586 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
17587             Joel Sherrill  <joel@oarcorp.com>
17588
17589         PR target/19399
17590         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
17591         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
17592         rtems_gxx_recursive_mutex_init.
17593         (__gthread_recursive_mutex_lock): New function.
17594         (__gthread_recursive_mutex_trylock): Likewise.
17595         (__gthread_recursive_mutex_unlock): Likewise.
17596
17597 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
17598
17599         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
17600
17601 2005-01-13  Jan Beulich  <jbeulich@novell.com>
17602
17603         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
17604         (ashrti3_internal): Indicate output is early clobber. Generate result
17605         into output rather than first input. Use move for low word of output
17606         if shift count is exactly 64.
17607         (lshrti3_internal): Likewise.
17608
17609 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
17610
17611         PR target/18329
17612         PR target/18330
17613         * reload1.c (delete_output_reload): Don't delete an output reload
17614         if the pseudo lives longer than a single basic block.  Adjust and
17615         improve wording of comment.
17616
17617 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
17618
17619         PR target/19334
17620         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
17621         of TYPE_SIZE where we mean the number of bytes.
17622
17623 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
17624
17625         * function.c (assign_parm_setup_block): Relax condition on
17626         multi-register optimization.
17627
17628 2005-01-12  Nick Clifton  <nickc@redhat.com>
17629
17630         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
17631         an "in_delay_slot" attribute of "no" to prevent them being used in
17632         delay slots.  This is forbidden because they might generate
17633         exceptions.
17634
17635 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
17636
17637         PR target/19389
17638         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
17639         with r->Y and Y->r.
17640
17641 2005-01-12  Nick Clifton  <nickc@redhat.com>
17642
17643         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
17644         passed on to GAS) but do not define, as GAS no longer supports or
17645         needs the -m2000 option.
17646
17647 2005-01-11  Roger Sayle  <roger@eyesopen.com>
17648
17649         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
17650         type as args of unprototyped builtins aren't automatically promoted.
17651         (fold_builtin_abs): Likewise.
17652
17653 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
17654
17655         * Makefile.in: Set a `build-warn' variable.
17656
17657 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
17658
17659         PR tree-optimization/17949
17660         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
17661         (find_interesting_uses_address): Use it.
17662
17663 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
17664
17665         * regrename.c (kill_value): Handle subreg's that won't simplify.
17666
17667 2005-01-11  Richard Henderson  <rth@redhat.com>
17668
17669         PR target/13366
17670         * config/i386/i386.h (enum ix86_builtins): Move ...
17671         * config/i386/i386.c: ... here.
17672         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
17673         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
17674         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
17675         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
17676         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
17677         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
17678         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
17679         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
17680         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
17681         IX86_BUILTIN_LOADDDUP): Remove.
17682         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
17683         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
17684         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
17685         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
17686         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
17687         (ix86_init_builtins): Make static.
17688         (ix86_init_mmx_sse_builtins): Update for changed builtins.
17689         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
17690         if all the modes match.  Otherwise, fake it.
17691         (get_element_number, ix86_expand_vec_init_builtin,
17692         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
17693         (ix86_expand_builtin): Make static.  Update for changed builtins.
17694         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
17695         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
17696         (ix86_expand_vector_init_duplicate): New.
17697         (ix86_expand_vector_init_low_nonzero): New.
17698         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
17699         Split out from ix86_expand_vector_init; handle integer modes.
17700         (ix86_expand_vector_init): Use them.
17701         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
17702         * config/i386/i386-protos.h: Update.
17703         * config/i386/predicates.md (reg_or_0_operand): New.
17704         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
17705         (movv2sf_internal): Likewise.  And a splitter to match them all.
17706         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
17707         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
17708         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
17709         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
17710         (mmx_pinsrw): Fix operand ordering.
17711         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
17712         rather than sse_loadss expander.
17713         (movv2df splitter): Similarly.
17714         (sse_loadss, sse_loadlss): Remove.
17715         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
17716         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
17717         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
17718         (sse3_movddup): Rename with '*'.
17719         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
17720         (sse2_loadsd): Remove.
17721         (vec_dupv2df_sse3): Rename from sse3_loadddup.
17722         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
17723         (sse2_pinsrw): Fix argument ordering.
17724         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
17725         (sse2_stored): Remove 'r' destination.
17726         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
17727         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
17728         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
17729         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
17730         vec_extractv16qi, vec_initv16qi): New.
17731
17732         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
17733         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
17734         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
17735         constructor form.
17736         (_mm_load_pd, _mm_store_pd): Use plain dereference.
17737         (_mm_load_si128, _mm_store_si128): Likewise.
17738         (_mm_load1_pd): Use _mm_set1_pd.
17739         (_mm_load_sd): Use _mm_set_sd.
17740         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
17741         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
17742         (_mm_set_epi64): Use _mm_set_epi64x.
17743         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
17744         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
17745         _mm_setr_epi8): Use _mm_set_foo form.
17746         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
17747         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
17748         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
17749         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
17750         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
17751         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
17752         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
17753         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
17754         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
17755         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
17756         (_mm_movedup_pd): Use _mm_shuffle_pd.
17757         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
17758         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
17759         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
17760         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
17761         Use _mm_setzero_ps.
17762         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
17763         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
17764         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
17765         (_mm_store_ps): Use raw dereference.
17766         (_mm_store1_ps): Use _mm_storeu_ps.
17767         (_mm_storer_ps): Use _mm_store_ps.
17768         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
17769         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
17770
17771 2005-01-11  Stan Shebs  <shebs@apple.com>
17772
17773         * config/rs6000/rs6000.c (machopic_output_stub): Issue
17774         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
17775
17776 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
17777
17778         PR target/18761
17779         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
17780         Skip all DECLs except for FIELD_DECLs.
17781
17782 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
17783
17784         * config/s390/s390.c (override_options): Return error if
17785         -mbackchain, -mpacked-stack and -mhard-float are used together.
17786         (s390_va_start): Remove the backchain && packed-stack special case.
17787         (s390_gimplify_va_arg): Likewise.
17788         * doc/invoke.texi: Remove the ABI incompatibility note.
17789
17790 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
17791
17792         * config/s390/s390.c (struct s390_frame_layout): Remove
17793         save_backchain_p.
17794         (s390_frame_info, s390_emit_prologue): Replace occurrences of
17795         save_backchain_p with TARGET_BACKCHAIN.
17796
17797 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
17798
17799         PR target/18916
17800         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
17801         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
17802         * function.c (locate_and_pad_parm): Set new field.
17803         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
17804         Tweak where_pad test to include "none".  Always set mem align for
17805         stack_parm.
17806         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
17807         not sufficient for type.
17808         (assign_parm_setup_block): If stack_parm is zero on entry, always
17809         make a new stack local.  Block move old stack parm if necessary
17810         to new aligned stack local.
17811         (assign_parm_setup_stack): Use a block move to handle
17812         potentially misaligned entry_parm.
17813         (assign_parms_unsplit_complex): Specify required alignment when
17814         creating stack local.
17815         * calls.c (compute_argument_addresses): Override alignment of stack
17816         arg calculated from its type with the alignment given by
17817         FUNCTION_ARG_BOUNDARY.
17818         (store_one_arg): Likewise.
17819
17820 2005-01-11  Jan Beulich  <jbeulich@novell.com>
17821
17822         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
17823         Change respective itanium_class attribute to ialu.
17824         (shladdp4_internal): New.
17825         * config/ia64/predicates.md (shladd_log2_operand): New.
17826
17827 2005-01-11  Richard Henderson  <rth@redhat.com>
17828
17829         * expr.c (store_constructor): Use rtvec_alloc instead of
17830         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
17831
17832 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
17833
17834         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
17835
17836 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
17837
17838         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
17839         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
17840         (TARGET_RWRELOC): Define.
17841         (ia64_rwreloc_section_type_flags): Delete.
17842         (ia64_section_type_flags): New function.
17843         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
17844         (TARGET_RWRELOC): Define.
17845
17846 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
17847
17848         PR target/18987
17849         * config/ia64/ia64.c (process_set): For alloc insn, only call
17850         process_epilogue is !frame_pointer_needed.
17851
17852 2005-01-10  Roger Sayle  <roger@eyesopen.com>
17853
17854         PR c++/19355
17855         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
17856         unary operator and can't be treated as a binary/comparison operator.
17857
17858 2005-01-10  Richard Henderson  <rth@redhat.com>
17859
17860         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
17861         (ix86_return_in_memory): Likewise.
17862         (function_arg_advance):  Likewise.  Mirror structure in function_arg
17863         for choosing register to advance.
17864
17865 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
17866
17867         * tree-vectorizer.c, tree.def: Fix comment typos.
17868
17869 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
17870
17871         * config/s390/s390.c (struct processor_costs): 4 new fields:
17872         ddbr, ddr, debr, der.
17873         (s390_rtx_costs): More precise handling of divide instructions.
17874
17875 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
17876
17877         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
17878
17879 2005-01-10  Jan Beulich  <jbeulich@novell.com>
17880
17881         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
17882         names resulting from -ffunction-sections/-fdata-sections and linkonce
17883         ones.
17884         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
17885         based on the section name. Rearrange the section name comparison logic
17886         slightly so that each section name is compared against at most once.
17887
17888 2005-01-10  Ben Elliston  <bje@au.ibm.com>
17889
17890         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
17891         targets for which -fPIC reduces limitations on the GOT size.
17892
17893 2005-01-09  Falk Hueffner  <falk@debian.org>
17894
17895         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
17896         X/C1 cmpop C2.
17897
17898 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
17899
17900         PR target/18720
17901         * collect2.c (main): Set aixrtl_flag for -brtl option.
17902         (resolve_lib_name): Search for .so file extension before .a
17903         if aixrtl_flag set.
17904
17905 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
17906
17907         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
17908         (vect_analyze_data_refs_alignment): Add dump prints.
17909
17910 2005-01-09  Ira Rosen  <irar@il.ibm.com>
17911
17912         * tree-vectorizer.c (vect_analyze_offset_expr): Use
17913         expr_invariant_in_loop_p.
17914         Initialize outputs first thing in the function.
17915         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
17916         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
17917         (vect_analyze_pointer_ref_access): Check that the initial condition of
17918         the access function is loop invariant.
17919
17920 2005-01-09  Richard Henderson  <rth@redhat.com>
17921
17922         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
17923         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
17924         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
17925         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
17926         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
17927         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
17928         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
17929         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
17930         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
17931         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
17932         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
17933         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
17934         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
17935         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
17936         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
17937         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
17938         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
17939         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
17940         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
17941         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
17942         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
17943         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
17944         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
17945         mmx_ prefix.
17946         (mmx_clrdi, pavgusb): Remove.
17947         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
17948         with leading sse_ prefix.
17949         * config/i386/sse.md: Receive them.
17950         * config/i386/mmx.md: New file.
17951         (MMXMODE12, MMXMODE24, mmxvecsize): New.
17952         (subrv2sf3): Turn into expander for normal subtraction.
17953         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
17954         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
17955         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
17956         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
17957         commutative; use ix86_binary_operator_ok.
17958         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
17959         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
17960         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
17961         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
17962         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
17963         Macroize from existing patterns; use ix86_binary_operator_ok.
17964         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
17965         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
17966         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
17967         with vec_select+vec_concat.
17968         (mmx_pshufw, mmx_pshufw_1): Likewise.
17969         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
17970         (mmx_uavgv4hi3): Model correctly.
17971         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
17972         _mm_xor_si64): Remove casts.
17973
17974 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
17975
17976         PR tree-optimization/19224
17977         * tree-scalar-evolution.c (get_instantiated_value,
17978         set_instantiated_value): New functions.
17979         (instantiate_parameters_1): Cache the results.
17980         (instantiate_parameters, resolve_mixers): Initialize and free
17981         the cache.
17982
17983 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
17984
17985         * config/i386/i386.md (addhi_4): Correct reference in comment.
17986         (addqi_4): Same.
17987
17988 2005-01-08  Richard Henderson  <rth@redhat.com>
17989
17990         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
17991         (_mm_cvtsi128_si64x): Likewise.
17992         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
17993         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
17994         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
17995         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
17996         * config/i386/i386-protos.h: Update.
17997         * config/i386/i386.c (print_operand): Add 'H'.
17998         (ix86_fixup_binary_operands): Split out from ...
17999         (ix86_expand_binary_operator): ... here.
18000         (ix86_fixup_binary_operands_no_copy): New.
18001         (ix86_expand_fp_absneg_operator): Handle vector mode results.
18002         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
18003         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
18004         (safe_vector_operand): Use CONST0_RTX.
18005         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
18006         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
18007         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
18008         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
18009         special cases.
18010         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
18011         (IX86_BUILTIN_CMPNGESS): New.
18012         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
18013         (attr type): Add sselog1.
18014         (attr unit, attr memory): Handle it.
18015         (movti, movti_internal, movti_rex64): Move near other integer moves.
18016         (movtf, movtf_internal): Move near other fp moves.
18017         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
18018         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
18019         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
18020         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
18021         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
18022         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
18023         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
18024         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
18025         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
18026         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
18027         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
18028         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
18029         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
18030         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
18031         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
18032         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
18033         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
18034         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
18035         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
18036         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
18037         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
18038         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
18039         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
18040         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
18041         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
18042         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
18043         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
18044         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
18045         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
18046         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
18047         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
18048         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
18049         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
18050         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
18051         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
18052         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
18053         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
18054         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
18055         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
18056         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
18057         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
18058         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
18059         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
18060         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
18061         same time.
18062         (SSEPUSH, push<SSEPUSH>): Remove.
18063         (MMXPUSH, push<MMXPUSH>): Remove.
18064         (sse_movaps, sse_movaps_1, sse_movups): Remove.
18065         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
18066         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
18067         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
18068         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
18069         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
18070         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
18071         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
18072         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
18073         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
18074         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
18075         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
18076         (ppro_sse_log_V4SF): Handle sselog1.
18077         * config/i386/predicates.md (const_0_to_1_operand): New.
18078         (const_0_to_255_mul_8_operand): New.
18079         (const_1_to_31_operand): Rename from const_int_1_31_operand.
18080         (const_2_to_3_operand, const_4_to_7_operand): New.
18081         * config/i386/sse.md: New file.
18082         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
18083         (sse_movups): Rename from sse_movups_1.
18084         (sse_loadlss): Rename from sse_loadss_1.
18085         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
18086         from the name.
18087         (negv4sf2): Use ix86_expand_fp_absneg_operator.
18088         (absv4sf2, negv2df, absv2df): New.
18089         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
18090         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
18091         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
18092         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
18093         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
18094         (sse3_addsubv4sf3): Model correctly.
18095         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
18096         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
18097         (sse_movhlps): Model with vec_select+vec_concat.
18098         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
18099         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
18100         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
18101         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
18102         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
18103         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
18104         sse2_pshufhw_1): Likewise.
18105         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
18106         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
18107         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
18108         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
18109         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
18110         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
18111         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
18112         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
18113         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
18114         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
18115         sminv8hi3): Mark commutative
18116         operands.  Use ix86_binary_operator_ok.
18117         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
18118         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
18119         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
18120         sse2_punpcklqdq): Allow operand2 in memory.
18121         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
18122         sse2_movsd): Add memory alternatives.
18123         (sse_storelps): Turn expander into an insn; split after reload.
18124         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
18125         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
18126
18127 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
18128
18129         * configure.ac (DWARF-2 debug_line): Use objdump.
18130         * configure: Regenerate.
18131
18132 2005-01-08  Jeff Law  <law@redhat.com>
18133             Diego Novillo  <dnovillo@redhat.com>
18134
18135         PR tree-optimization/18241
18136         * tree-nrv.c (tree_nrv): Ignore volatile return values.
18137         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
18138         statements with volatile operands.
18139         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
18140         operands after marking a statement with has_volatile_ops.
18141
18142 2005-01-08  Roger Sayle  <roger@eyesopen.com>
18143
18144         * tree.c (int_fits_type_p): Always honor integer constant
18145         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
18146
18147 2005-01-08  Roger Sayle  <roger@eyesopen.com>
18148
18149         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
18150         the latent bug in rtl_delete_block has been resolved.
18151
18152 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
18153
18154         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
18155         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
18156
18157 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
18158
18159         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
18160         library as @multilib_dir@/$(SHLIB_SONAME).
18161
18162 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
18163
18164         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
18165         * configure: Regenerate.
18166
18167 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
18168
18169         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
18170         TYPE_MODE.
18171
18172 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
18173
18174         PR target/13674
18175         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
18176         Convert non-word aligned offset address using ld/std into
18177         indirect address.
18178
18179 2005-01-07  Richard Henderson  <rth@redhat.com>
18180
18181         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
18182
18183 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
18184
18185         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
18186
18187 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
18188
18189         PR tree-optimization/19283
18190         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
18191         is not shorter than the original type.
18192
18193         PR rtl-optimization/19012
18194         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
18195
18196         PR rtl-optimization/18861
18197         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
18198         (FULL_STATE): Define.
18199         (mark_tablejump_edge): New function.
18200         (purge_dead_tablejump_edges): New function.
18201         (find_bb_boundaries): Use it.
18202
18203         PR tree-optimization/18828
18204         * builtins.c (expand_builtin_next_arg): Remove argument and all
18205         the argument checking.
18206         (expand_builtin): Adjust caller.
18207         (expand_builtin_va_start): Likewise.  Remove error for too many
18208         arguments.
18209         (fold_builtin_next_arg): Issue error for too many arguments.
18210         After checking arguments, replace them with magic arguments that
18211         prevent further checking of the args.
18212
18213 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18214
18215         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
18216
18217 2005-01-06  Roger Sayle  <roger@eyesopen.com>
18218
18219         PR target/6077
18220         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
18221         and %{.S:...} (and their negative variants) to test whether the
18222         input file is assembler or pre-processed-assembler independent of
18223         the actual filename extension.
18224
18225 2005-01-06  Roger Sayle  <roger@eyesopen.com>
18226
18227         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
18228         of sign or zero extended values.
18229
18230 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
18231
18232         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
18233         for IBM long double format correctly.
18234
18235 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
18236
18237         Fix PR tree-optimization/18792
18238
18239         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
18240         to first_loop_depth, and use loop depth instead of loop number.
18241         (build_classic_dir_vector): Ditto.
18242         (compute_data_dependences_for_loop): Use depth, not loop number.
18243         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
18244         number. Pass in loops, instead of loop numbers.
18245         (gather_interchange_stats): Ditto.
18246         (linear_transform_loops): Ditto.
18247
18248 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
18249
18250         PR rtl-opt/13299
18251         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
18252         biv_fits_mode_p, extension_within_bounds_p): New functions.
18253         (check_ext_dependent_givs): Use them.
18254
18255 2005-01-06  Roger Sayle  <roger@eyesopen.com>
18256
18257         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
18258         more than one barrier, in which case we should delete them all.
18259
18260 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
18261
18262         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
18263
18264 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
18265
18266         Fix PR middle-end/19286
18267         Fix PR debug/19267
18268         * dwarf2out.c (gen_subprogram_die): If we've already tried to
18269         output this subprogram, simply ignore this attempt to do it again.
18270         (add_abstract_origin_attribute): Don't abort trying to add the abstract
18271         origin attribute if it's not possible.
18272         (gen_block_die): Don't ignore subblocks of "unused" blocks.
18273         (decls_for_scope): Ditto.
18274         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
18275         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
18276
18277 2005-01-05  Richard Henderson  <rth@redhat.com>
18278
18279         PR target/11327
18280         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
18281         (bdesc_2arg): Use it.
18282         (ix86_expand_binop_builtin): Force operands into registers
18283         when optimizing.
18284         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
18285         ix86_expand_sse_compare, ix86_expand_sse_comi,
18286         ix86_expand_builtin): Likewise.
18287
18288 2005-01-05  Richard Henderson  <rth@redhat.com>
18289
18290         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
18291         and VEC_SELECT.
18292         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
18293         (mulv4hi3): Set itanium_class mmmul.
18294         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
18295         (fpack): Rename from fpack_sfsf.
18296
18297 2005-01-05  Richard Henderson  <rth@redhat.com>
18298
18299         PR rtl-opt/10692
18300         * reload1.c (do_input_reload): Restrict the optimization deleteing
18301         a previous output reload to RELOAD_FOR_INPUT.
18302
18303 2005-01-05  Steven Bosscher  <stevenb@suse.de>
18304
18305         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
18306         comment that we fall through after case.
18307         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
18308         (distribute_links): Likewise.
18309         * cse.c (cse_insn): Likewise.
18310         * cselib.c (cselib_invalidate_mem): Likewise.
18311         * df.c: Update comments at the top of the file.
18312         (read_modify_subreg_p): Update comments here too.
18313         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
18314         * flow.c (mark_set_1): Likewise.
18315         (mark_used_regs): Likewise.
18316         * gcse.c (mems_conflict_for_gcse_p): Likewise.
18317         (canon_list_insert): Likewise.
18318         (mark_set): Likewise.
18319         (try_replace_reg): Likewise.
18320         (store_killed_in_insn): Likewise.
18321         * loop.c (count_one_set): Likewise.
18322         (basic_induction_var): Likewise.
18323         * postreload-gcse.c (find_mem_conflicts): Likewise.
18324         * postreload.c (reload_combine_note_store): Likewise.
18325         (move2add_note_store): Likewise.
18326         * reload.c (find_equiv_reg): Likewise.
18327         (mark_referenced_resources): Likewise.
18328         * rtlanal.c (set_noop_p): Likewise.
18329         (note_stores): Likewise.
18330         (note_uses): Likewise.
18331         * sched-deps.c (sched_analyze_1): Likewise.
18332         * sched-rgn.c (check_live_1): Likewise.
18333         (update_live_1): Likewise.
18334         * config/i860/i860.c: Likewise.
18335
18336         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
18337         an lvalue.
18338         (ZERO_EXTRACT): Mention that this one can be an lvalue.
18339
18340         * doc/rtl.texi: Update documentation for bit-fields and SET.
18341
18342 2005-01-05  Roger Sayle  <roger@eyesopen.com>
18343
18344         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
18345
18346 2005-01-05  Jan Hubicka  <jh@suse.cz>
18347             Richard Henderson  <rth@redhat.com>
18348
18349         PR target/18910
18350         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
18351         with an offset.
18352
18353 2005-01-05  Richard Henderson  <rth@redhat.com>
18354
18355         PR target/12902
18356         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
18357         (sse_shufps): Change operand 3 to const_int_operand.
18358         (sse2_storelps): Fix typo in template.
18359         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
18360         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
18361         (ix86_expand_builtin): Likewise.
18362
18363 2005-01-05  Julian Brown  <julian@codesourcery.com>
18364
18365         * config/arm/arm.c (arm_return_in_memory): Treat complex types
18366         as aggregates for AAPCS ABIs.
18367
18368 2005-01-05  Stan Shebs  <shebs@apple.com>
18369
18370         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
18371         Mach-O getters if ppc64.
18372         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
18373         size argument.
18374         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
18375         signed four-byte field for global code case.
18376         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
18377
18378 2005-01-05  Roger Sayle  <roger@eyesopen.com>
18379
18380         PR middle-end/19100
18381         * c-common.c: Include real.h.
18382         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
18383         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
18384         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
18385         * Makefile.in (c-common.o): Update dependencies.
18386
18387 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
18388
18389         * c-parse.in (asm_string): Add trailing semicolon.
18390
18391 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
18392
18393         * c-parse.in (asm_string): New.  Don't allow wide strings in
18394         'asm'.
18395         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
18396         asm_string instead of STRING.
18397
18398 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
18399
18400         * c-typeck.c (constructor_no_implicit): Remove.
18401         (set_designator, process_init_element): Don't check
18402         constructor_no_implicit.
18403
18404 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
18405             Kaz Kojima  <kkojima@gcc.gnu.org>
18406
18407         PR target/16482
18408         * lcm.c (create_pre_exit): New.
18409         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
18410         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
18411
18412 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
18413
18414         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
18415         -msoft-float in target_float_switch.
18416         * arm.c (arm_override_options): Fix processing of target_float_switch.
18417
18418 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
18419
18420         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
18421         preferencing.
18422
18423 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
18424
18425         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
18426         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
18427
18428 2005-01-04  Roger Sayle  <roger@eyesopen.com>
18429
18430         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
18431         if deleting the then-block allows the test-block to fallthru to the
18432         else-block.
18433
18434 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
18435
18436         PR c/19152
18437         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
18438         after the full declaration if the are in two different TUs.
18439
18440 2005-01-04  Richard Henderson  <rth@redhat.com>
18441
18442         PR tree-opt/19158
18443         * tree-sra.c (generate_one_element_init): Just
18444         call gimplify_and_add.
18445         (generate_element_init): Record the
18446         new referenced variables and mark them for renaming
18447         and split out to ...
18448         (generate_element_init_1): This.
18449         (scalarize_init): Don't call push_gimplify_context/
18450         pop_gimplify_context.
18451
18452 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
18453
18454         * toplev.c (get_src_pwd): Handle failure of getpwd().
18455
18456 2005-01-04  Roger Sayle  <roger@eyesopen.com>
18457
18458         * fold-const.c (fold_single_bit_test): Delete unreachable handling
18459         of TRUTH_NOT_EXPR.
18460         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
18461         all the cases handled by it are inverted by invert_truthvalue.
18462
18463 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
18464
18465         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
18466         (save_register_windowsi): Likewise.
18467
18468 2005-01-04  Richard Henderson  <rth@redhat.com>
18469
18470         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
18471
18472 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
18473
18474         PR middle-end/17767
18475         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
18476         any simplifications of vector mode comparison operators.
18477         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
18478
18479 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
18480             Devang Patel  <dpatel@apple.com>
18481
18482         PR tree-optimization/18308
18483         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
18484         the operands before creating a new expression.
18485         * dojump.c (do_jump): Make drop_through_label available
18486         for all cases.  Add expansion of COND_EXPR.
18487
18488 2005-01-04  Ira Rosen  <irar@il.ibm.com>
18489
18490         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
18491         INTEGER_CST instead of TREE_CONSTANT.
18492         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
18493         instead of TREE_CONSTANT.
18494         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
18495         instead of TREE_CONSTANT.
18496
18497 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
18498
18499         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
18500
18501 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
18502
18503         PR target/19240
18504         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
18505         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
18506
18507 2005-01-03  Richard Henderson  <rth@redhat.com>
18508
18509         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
18510         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
18511         fold_convert_const_real_from_real): Split out from ...
18512         (fold_convert_const): ... here.
18513
18514 2005-01-03  Richard Henderson  <rth@redhat.com>
18515
18516         PR target/19235
18517         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
18518         (mov<MMXMODEI>_internal): Likewise.
18519         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
18520         Add V2SF case; use it for SSE1; don't use TI.
18521         (movdf_integer): Likewise.
18522         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
18523
18524 2005-01-03  Ira Rosen  <irar@il.ibm.com>
18525
18526         * tree-vectorizer.c (vect_strip_conversions): New function.
18527         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
18528         check for binary class.
18529
18530 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
18531
18532         Fix PR debug/17924
18533         Fix PR debug/19191
18534         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
18535         is a decl.
18536         * gimple-low.c (mark_blocks_with_used_vars): New function.
18537         (mark_blocks_with_used_subblocks): Ditto.
18538         (mark_used_blocks): Ditto.
18539         (pass_mark_used_blocks): New pass.
18540         * tree-inline.c: Include debug.h.
18541         (expand_call_inline): Call outlining_inline_function here.
18542         * tree-optimize.c (init_tree_optimization_passes): Add
18543         pass_mark_used_blocks.
18544         * tree-pass.h (pass_mark_used_blocks): New.
18545         * Makefile.in (tree-inline.o): Add debug.h dependency.
18546
18547 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
18548
18549         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
18550         VAR_DECLs to have weak_import attribute.
18551
18552         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
18553         'struct ucontext'.
18554
18555 2004-01-03  Steven Bosscher  <stevenb@suse.de>
18556
18557         * passes.c (rest_of_compilation): Don't run regmove if only
18558         flag_expensive_optimizations, require flag_regmove instead.
18559
18560 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
18561
18562         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
18563         register "sparc".
18564         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
18565         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
18566         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
18567         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
18568
18569 2005-01-03  Richard Henderson  <rth@redhat.com>
18570
18571         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
18572         (ia64_const_ok_for_letter_p): New.
18573         (ia64_const_double_ok_for_letter_p): New.
18574         (ia64_extra_constraint): New.
18575         (ia64_expand_vecint_compare): New.
18576         (ia64_expand_vcondu_v2si): New.
18577         (ia64_expand_vecint_cmov): New.
18578         (ia64_expand_vecint_minmax): New.
18579         (ia64_print_operand): Add 'v'.
18580         (ia64_preferred_reload_class): New.
18581         (ia64_vector_mode_supported_p): New.
18582         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
18583         (PREFERRED_RELOAD_CLASS): Move to function.
18584         (CONST_OK_FOR_LETTER_P): Move to function.
18585         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
18586         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
18587         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
18588         (EXTRA_CONSTRAINT): Move to function.
18589         * config/ia64/ia64.md: Include vect.md.
18590         (itanium_class): Add mmalua.
18591         (type): Handle it.
18592         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
18593         (1b_mmalua): New.
18594         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
18595         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
18596         CONST0_RTX.
18597         (const_int_2bit_operand): New.
18598         (fr_reg_or_0_operand): New.
18599         * config/ia64/ia64-modes.def: Add vector modes.
18600         * config/ia64/ia64-protos.h: Update.
18601         * config/ia64/vect.md: New file.
18602
18603 2005-01-03  Richard Henderson  <rth@redhat.com>
18604
18605         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
18606
18607 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
18608
18609         PR target/19236
18610         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
18611         to SFmode.
18612         (log1pdf2): Change mode of operands[0,1] to DFmode.
18613
18614 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
18615
18616         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
18617         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
18618         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
18619         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
18620         SPARC_RELAXED_ORDERING.
18621
18622 2005-01-03  Richard Henderson  <rth@redhat.com>
18623             Uros Bizjak  <uros@kss-loka.si>
18624
18625         PR target/14631
18626         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
18627         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
18628         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
18629         handling.
18630         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
18631         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
18632         const_pow2_1_to_128_operand): New predicates.
18633
18634 2005-01-02  Greg McGary  <greg@mcgary.org>
18635
18636         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
18637         anonymous decls.
18638         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
18639         object.  [ptr_type]: Remove unused variable.
18640         Remember nearest addressable array-element or record-component
18641         when checking bitfield components.  Tolerate empty BIND_EXPR.
18642
18643 2005-01-01  Richard Henderson  <rth@redhat.com>
18644
18645         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
18646         that don't narrow the value.  Fail for other conversions.
18647
18648 2005-01-01  Richard Henderson  <rth@redhat.com>
18649
18650         PR c/19031
18651         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
18652         * c-lang.c (finish_file): Don't do it here.
18653         * objc/objc-act.c (objc_finish_file): Likewise.
18654
18655         * cgraph.c (decl_assembler_name_equal): New.
18656         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
18657         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
18658         * cgraph.h (struct cgraph_varpool_node): Add next.
18659         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
18660         * varasm.c (assemble_alias): Mark the target as needed.
18661
18662 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
18663
18664         PR middle-end/19221
18665         * function.c (get_arg_pointer_save_area): Use entry_of_function
18666         instead of get_insns.
18667
18668 2005-01-01  Roger Sayle  <roger@eyesopen.com>
18669             Andrew Pinski  <pinskia@physics.uc.edu>
18670             James E. Wilson  <wilson@specifixinc.com>
18671
18672         PR rtl-optimization/12092
18673         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
18674         is zero.
18675
18676 2005-01-01  Roger Sayle  <roger@eyesopen.com>
18677             Olivier Hainque  <hainque@act-europe.fr>
18678
18679         * tree.c (int_fits_type_p): A narrower type always fits in a
18680         wider one, except for negative values into unsigned types.
18681
18682 2005-01-01  Roger Sayle  <roger@eyesopen.com>
18683
18684         * tree.c (int_fits_type_p): Compare the result of force_fit_type
18685         with the original constant rather than require TREE_OVERFLOW.
18686
18687 2005-01-01  Steven Bosscher  <stevenb@suse.de>
18688
18689         PR middle-end/17544
18690         * c-decl.c (finish_function): If compiling C99, annotate the
18691         compiler generated return with the current file name and line 0.
18692         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
18693         the source line is greater than 0.
18694         (remove_bb): Likewise.