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* config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
2
3         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
4         and gcc_unreachable, as appropriate.
5         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
6         m32r_expand_prologue, m32r_output_function_epilogue,
7         m32r_legitimize_pic_address, m32r_print_operand_address,
8         emit_cond_move, m32r_function_symbol,
9         m32r_output_block_move): Likewise.
10         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
11         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
12         *rev_zero_branch_insn): Likewise.
13         
14 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
15
16         PR c++/20961
17         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
18         if both NEWDECL and OLDDECL are already weak.
19
20 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
21
22         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
23
24 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
25             Kaz Kojima  <kkojima@gcc.gnu.org>
26
27         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
28         and plus_constant.
29
30 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
31             David Edelsohn  <edelsohn@gnu.org>
32
33         * config.gcc: Add .opt magic for the rs6000 ports.
34
35         * doc/invoke.texi: Document -mabi= option properly.  Document
36         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
37         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
38         -misel=.
39
40         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
41         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
42         TARGET_XL_COMPAT.
43
44         * config/rs6000/aix.opt: New.
45         * config/rs6000/aix41.opt: New.
46         * config/rs6000/aix64.opt: New.
47         * config/rs6000/darwin.opt: New.
48         * config/rs6000/linux64.opt: New.
49         * config/rs6000/rs6000.opt: New.
50         * config/rs6000/sysv4.opt: New.
51
52         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
53         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
54         SUBTARGET_SWITCHES.
55         Define TARGET_USES_SYSV4_OPT.
56         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
57         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
58         TARGET_USES_AIX64_OPT.
59         * config/rs6000/aix51.h: Same.
60         * config/rs6000/aix52.h: Same.
61         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
62         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
63         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
64         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
65         * config/rs6000/linux64.h: Use
66         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
67
68         * config/rs6000/rs6000.c: Remove definitions of
69         rs6000_sched_restricted_insns_priority,
70         rs6000_long_double_size_string, rs6000_altivec_vrsave,
71         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
72         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
73         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
74         rs6000_alignment_string.  Define rs6000_explicit_options.
75         (rs6000_parse_abi_options): Remove.
76         (rs6000_parse_alignment_option): Remove.
77         (rs6000_parse_float_gprs_option): Remove.
78         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
79         TARGET_DEFAULT_TARGET_FLAGS.
80         (rs6000_override_options): Revamp to use new .opt machinery.
81
82         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
83         of new .opt machinery.  Remove target_flags.  Redefine
84         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
85         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
86         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
87         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
88         rs6000_longcall_switch, rs6000_default_long_calls,
89         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
90         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
91         TARGET_ALTIVEC_VRSAVE.
92
93 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
94
95         * config.gcc (hppa1.1-*-rtems*): Remove.
96         * config/pa/rtems.h: Remove.
97
98 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
99
100         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
101         Exclude roe/603e multilib variants.
102
103 2005-05-04  Denis Chertykov  <denisc@overta.ru>
104
105         PR target/21284
106         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
107         for output.
108
109 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
110
111         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
112         arm/pe.opt to $extra_options.
113         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
114         (target_float_abi_name, target_float_switch, target_abi_name)
115         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
116         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
117         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
118         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
119         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
120         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
121         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
122         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
123         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
124         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
125         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
126         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
127         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
128         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
129         (arm_pic_register_string): Delete.
130         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
131         TARGET_TPCS_FRAME.
132         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
133         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
134         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
135         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
136         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
137         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
138         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
139         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
140         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
141         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
142         (SUBTARGET_SWITCHES): Delete.
143         * config/arm/arm.c (target_float_switch): Delete.
144         (arm_cpu_select): Moved from config/arm/arm.h.
145         (target_fpu_name, target_fpe_name, target_float_abi_name)
146         (target_abi_name, structure_size_string, arm_pic_register_string)
147         (arm_select): Make static.
148         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
149         (arm_handle_option): New function.
150         (arm_override_options): Update target_flags checks for new mask names.
151         Remove target_float_switch code.
152         (arm_expand_prologue, thumb_expand_prologue): Check
153         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
154         * config/arm/arm.opt, config/arm/pe.opt: New files.
155
156 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
157
158         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
159         gcc_unreachable as appropriate.
160         (arc_double_limm_p, arc_setup_incoming_varargs,
161         arc_compute_function_type, arc_output_function_prologue,
162         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
163         output_shift, arc_print_operand, arc_print_operand_address,
164         arc_final_prescan_insn): Likewise.
165         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
166
167 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
168
169         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
170         comparing Pmode.
171         (SDI): New.
172         (cmp): Delete.
173         (wd): New.
174         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
175         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
176         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
177         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
178         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
179         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
180         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
181         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
182
183 2005-05-05  Paul Brook  <paul@codesourcery.com>
184
185         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
186         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
187         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
188         and tree-data-ref.h with *_H variables.
189
190 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
191
192         * config/m32r/xm-m32r.h, config/m32r/linux.h: Delete files.
193
194 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
195
196         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
197
198 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
199
200         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
201
202 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
203
204         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
205         setting of vrsave register for current function after
206         call to save_world is emitted.
207
208 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
209
210         * config/mmix/predicates.md: New file.
211         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
212         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
213         (mmix_foldable_comparison_operator, mmix_comparison_operator)
214         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
215         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
216         Don't define.
217         * config/mmix/mmix.md: Include predicates.md.
218         ("call", "call_value"): Force address to register if it isn't a
219         mmix_symbolic_or_address_operand.
220
221 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
222
223         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
224         the flags are of appropriate types.
225         (num_ssa_operands): Generalize using the generic interface.
226         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
227         iterator.
228
229 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
230
231         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
232         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
233
234 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
235
236         * tree-outof-ssa.c (edge_leader, stmt_list,
237         analyze_edges_for_bb): Use VEC instead of VARRAY.
238         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
239         (perform_edge_inserts): Call init_analayze_edges_for_bb and
240         fini_analayze_edges_for_bb.
241
242 2005-05-04  James E Wilson  <wilson@specifixinc.com>
243
244         PR driver/21112
245         * gcc.c (process_command): In the second argv scan loop, ignore
246         Xassembler and Xpreprocessor, along with their argument.
247
248 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
249
250         * tree-flow-inline.h, tree-ssa-operands.c,
251         tree-ssa-operands.h, tree-ssa-opfinalize.h:
252         Likewise. tree-vn.c: Fix comment typos.
253         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
254
255 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
256
257         * doc/tm.texi (Target Hooks): Document
258         TARGET_RESOLVE_OVERLOADED_BUILTIN.
259
260 2005-05-04  Paul Brook  <paul@codesourcery.com>
261
262         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
263
264 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
265
266         * dwarf2out.c (incomplete_types, retry_incomplete_types,
267         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
268         of VARRAY.
269
270         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
271         get_expansion, expand_var_during_unrolling,
272         insert_var_expansion_initialization,
273         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
274         instead of VARRAY.
275
276         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
277         update_stmt.
278
279 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
280
281         PR middle-end/15618
282         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
283         the same as INTEGER_TYPE.
284         (fold_binary): Fold "bool_var != 0" to bool_var.
285         Fold "bool_var == 1" to bool_var.
286
287 2004-05-03  Richard Henderson  <rth@redhat.com>
288
289         PR middle-end/21318
290         * function.c (instantiate_virtual_regs_in_insn): Use the mode
291         from recog_data instead of insn_data.
292
293 2005-05-03  DJ Delorie  <dj@redhat.com>
294
295         * common.opt (fdiagnostics-show-option): No variable is needed.
296         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
297         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
298         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
299         Save and restore original message format.  Use flag in context
300         instead of global.
301         (warning): Don't test for enabled warnings here.
302         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
303         here.
304
305 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
306
307         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
308         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
309         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
310         * aclocal.m4: Don't include accross.m4.
311         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
312         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
313         * configure, config.in: Regenerate.
314         
315 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
316
317         PR middle-end/21265
318         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
319         (clear_storage): Add argument.
320         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
321         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
322         tailcall.
323         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
324         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
325         (store_expr, store_constructor): Adjust callers.
326         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
327         to emit_block_move if CALL_EXPR_TAILCALL (exp).
328         (expand_builtin_memmove): Add ORIG_EXP argument, copy
329         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
330         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
331         with EXP.  Pass EXP to expand_builtin_memmove.
332         (expand_builtin_memset): Add ORIG_EXP argument, pass
333         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
334         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
335         Pass EXP to expand_builtin_memset.
336         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
337         the new CALL_EXPR.
338         (expand_builtin_strncmp): Likewise.
339         (expand_builtin_printf): Replace ARGLIST argument with EXP.
340         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
341         (expand_builtin_fprintf): Likewise.
342         (expand_builtin): Adjust calls to
343         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
344
345         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
346         item in V4SF mode.
347
348         PR rtl-optimization/21239
349         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
350
351 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
352
353         * tree-flow.h (tree_ann_common_d): Move aux to ...
354         (stmt_ann_d): ... here.
355         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
356         move_computations_stmt, schedule_sm): Update references to
357         aux.
358         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
359
360         * tree-cfg.c (remove_bb): Remove a redundant call to
361         set_bb_for_stmt.
362         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
363         Likewise.
364
365 2005-05-03  Richard Henderson  <rth@redhat.com>
366
367         * config/rs6000/rs6000.c: Remove conflict markers.
368
369         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
370
371 2005-05-03  James E Wilson  <wilson@specifixinc.com>
372
373         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
374
375 2005-05-03  DJ Delorie  <dj@redhat.com>
376
377         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
378         decide if the warning will be printed.
379         * calls.c (expand_call): Likewise.
380         * function.c (init-function_start): Likewise.
381
382         * common.opt (-fdiagnostics-show-option): New.
383         * opts.c (option_enabled): Accept the option index instead of a
384         pointer to the option descriptor.
385         * opts.h (option_enabled): Likewise.
386         * toplev.c (print_switch_values): Pass option index, not option
387         descriptor.
388         * diagnostic.h (diagnostic_info): Add option_index.
389         * diagnostic.c: Include opts.h.
390         (diagnostic_set_info): Initialize option_index.
391         (diagnostic_report_diagnostic): Amend option name if appropriate.
392         (warning): Check to see if the specified warning is enabled.
393         Store option index.
394         * doc/invoke.texi (-fdiagnostics-show-options): Document.
395
396 2005-05-03  Richard Henderson  <rth@redhat.com>
397
398         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
399         SPEC_OR_GEN_REGS definitions.
400
401 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
402
403         PR target/16888
404         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
405         for unavailable registers.
406
407 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
408
409         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
410
411         * cfglayout.c (block_locators_blocks,
412         insn_locators_initialize, insn_scope): Use VEC instead of
413         VARRAY.
414
415         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
416         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
417         VARRAY.
418
419 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
420
421         * config/sparc/predicates.md (const_compl_high_operand): New.
422         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
423         gen_safe_HIGH64.
424         (sparc_emit_set_const64_quick1): Adjust for above change.
425         (sparc_emit_set_const64_quick2): Likewise.
426         (sparc_emit_set_const64_longway): Likewise.
427         (sparc_emit_set_const64): Likewise.
428         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
429         movdi_const64_special): Delete.
430         (logical constant splitters): Use const_compl_high_operand.
431
432 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
433
434         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
435         rather than STRIP_NOPS.
436
437 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
438
439         PR rtl-optimization/21330
440         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
441         returning non-NULL.
442         (unswitch_single_loop): Clear cinsn when retrying.
443
444         PR target/21297
445         * config/i386/i386.c (legitimize_address): When canonicalizing
446         ASHIFT into MULT, multiply by 1 << shift_count instead of
447         1 << log2 (shift_count).
448
449 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
450
451         * lambda-code.c (gcc_loop_to_lambda_loop, 
452         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
453         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
454         generic operand interface.
455         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
456         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
457         generic operand interface.
458         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list, 
459         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
460         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
461         num_imm_uses): Use ssa_use_operand_t.
462         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
463         get_v_must_def_ops): Delete.
464         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
465         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
466         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
467         get_v_must_def_kill_ptr): Delete.
468         (delink_stmt_imm_use): Move and use new operand interface.
469         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
470         op_iter_next_tree): Use new operand implementation.
471         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
472         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator 
473         type check.
474         (op_iter_next_mustdef, op_iter_next_maydef, 
475         op_iter_next_must_and_may_def): Delete. Replace with...
476         (op_iter_next_maymustdef): New.  Combine must and may next operations.
477         (op_iter_init_maydef, op_iter_init_mustdef, 
478         op_iter_init_must_and_may_def): Use new interface.
479         (single_ssa_tree_operand ): New.  Process single operands only as trees.
480         (single_ssa_use_operand): New.  Process single operands only as uses.
481         (single_ssa_def_operand): New.  Process single operands only as defs.
482         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
483         specified types.
484         (num_ssa_operands): New.  Count the number of specified operands.
485         (compare_ssa_operands_equal): New.  Compare two statements' operands.
486         (single_phi_def): New.  Return true if PHI has one def of the specified
487         operand type.
488         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
489         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
490         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
491         (struct stmt_ann_d): Operands field no longer require GTY().
492         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
493         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
494         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb, 
495         dump_replaceable_exprs, rewrite_trees): Use generic interface.
496         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node): 
497         Use use_operand_p instead of ssa_imm_use_t *.
498         * tree-pretty-print.c (dump_vops): check if operands are active before
499         dumping virtual operands.
500         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
501         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
502         (ccp_fold): Use new interface.
503         (ccp_visit_stmt): Remove unused variables and code.
504         (convert_to_gimple_builtin): Insert statements before calling 
505         mark_new_vars_to_rename.
506         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
507         (copy_prop_visit_cond_stmt): Use generic interface.
508         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the 
509         annotation in table.
510         (thread_across_edge): Use generic interface.
511         (initialize_hash_element): Initialzie with stmt, not annotation.
512         (eliminate_redundant_computations): Use generic interface.
513         (record_equivalences_from_stmt): Pass stmt, not annotation.
514         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
515         interface.
516         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
517         * tree-ssa-loop-ivopts.c (find_invariants_stmt, 
518         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use 
519         generic operand interface.
520         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
521         interface.
522         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
523         Interface.
524         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
525         (build_defs, build_uses, build_v_may_defs, build_vuses, 
526         build_v_must_defs): Change type to struct opbuild_list_d.
527         (ops_active): New.  Operands active boolean.
528         (operand_memory, operand_memory_index): New.  Operand memory managers.
529         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
530         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
531         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs): 
532         Change from functions to static variable list heads.
533         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
534         (opbuild_initialize_real): New.  Initialize a virtual build list.
535         (opbuild_free): New.  Free a build list.
536         (opbuild_num_elems): New.  Number of items in a list.
537         (opbuild_append_real): New.  Add a real (tree *) operand.
538         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
539         (opbuild_first): New.  Return first element index in a list.
540         (opbuild_next): New.  Return next element in a list.
541         (opbuild_elem_real): New.  Return real element.
542         (opbuild_elem_virtual): New.  Return virtual element.
543         (opbuild_elem_uid): New.  Return UID of virtual element.
544         (opbuild_clear): New.  Reset an operand list.
545         (opbuild_remove_elem): New.  Remove an element form a list.
546         (ssa_operands_active): New.  Return true if operand cache is active.
547         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
548         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
549         (correct_use_link): Use use_operand_p.
550         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
551         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation. 
552         (cleanup_v_may_defs): Use new implmentation.
553         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New 
554         implementation.
555         (append_def, append_use, append_v_may_def, append_vuse, 
556         append_v_must_def): Call opbuild_append routine instead of using varray.
557         (build_ssa_operands): Simplify to simply use stmt, don't maintain a 
558         global parse_old_ops variable.
559         (free_ssa_operands): New implementation.
560         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
561         (copy_virtual_operands): Move. New generic implementation.
562         (create_ssa_artficial_load_stmt): Move. New implementation.
563         (swap_tree_operands): Update for new implementation.
564         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
565         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
566         rather than a varray.
567         (verify_imm_links): Use use_operand_p.
568         (dump_immediate_uses_for): If the immediate use variable is a virtual 
569         variable, show the virtual ops in the stmt.
570         * tree-ssa-operands.h (def_operand_p): No longer a structure.
571         (NULL_DEF_OPERAND_P): Now a #define.
572         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
573         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
574         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
575         mustdef_optype_d): New.  Use Linked list representation.
576         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
577         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
578         (struct stmt_operands_d): Change to new pointers that are not GTY.
579         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
580         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
581         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
582         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT, 
583         SET_V_MUST_DEF_KILL): Delete.
584         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT, 
585         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
586         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT, 
587         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
588         (enum ssa_op_iter_type): Operand iterator typechecking values.
589         (struct ssa_operand_iterator_d): Use linked lists of operands.
590         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
591         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
592         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
593         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
594         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
595         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
596         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND, 
597         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
598         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
599         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
600         alloc_vuse, and alloc_mustdef.
601         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops, 
602         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
603         and finalize_ssa_v_must_def_ops.
604         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
605         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
606         stmt around.
607         (compute_avail): Use generic iterator interface.
608         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
609         (stmt_makes_single_load, stmt_makes_single_store): Use 
610         ZERO_SSA_OPERANDS.
611         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
612         (statement_sink_location): Use generic interface.
613         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
614         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
615         reset the immediate use link nodes.
616         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
617         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
618         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
619         (eliminate_tail_call): Use generic operand interface.
620         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
621         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic 
622         interface.
623         * tree-vect-transform.c (update_vuses_to_preheader): Use generic 
624         interface.
625         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
626         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
627         vuse_optype.
628         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add): 
629         Use statement pointer instead of vuse_optype.  Use generic interface.
630         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
631         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
632         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
633         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
634         * doc/tree-ssa.texi: Update documentation for operand interface.
635
636 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
637
638         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
639         gcc_unreachable as appropriate.
640         (machopic_function_base_name, machopic_indirect_data_reference,
641         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
642         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
643         * config/rs6000/altivec.md (*mov<mode>_internal,
644         build_vector_mask_for_load): Likewise.
645         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
646         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
647         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
648         * config/rs6000/predicates.md (easy_fp_constant,
649         logical_operand): Likewise.
650         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
651         compute_save_world_info, rs6000_emit_prologue,
652         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
653         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
654         directly.
655
656 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
657
658         PR middle-end/21282
659         * convert.c (convert_to_integer): Convert ceil and floor in
660         c99 mode only.
661
662 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
663
664         PR target/20813
665         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
666         define_insn_and_split.  Split only when memory operand is
667         offsettable.  Use adjust_address rather than plus_constant.
668         (floatunssidf2_internal): Likewise.
669         (fix_truncdfsi2_internal): Split only when memory operand is
670         offsettable.  Use adjust_address rather than plus_constant.
671         (fix_trunctfsi2_internal): Likewise.
672         (floatsidf2_internal): Likewise.
673
674 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
675
676         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
677         (set_value_range_to_null): Likewise.
678         (set_value_range_to_varying): New function.  Use it in all
679         call sites that used to call set_value_range (vr, VR_VARYING, ...).
680         (extract_range_from_assert): If the integral type has a
681         super-type, and LIMIT is not within MIN and MAX values of that
682         type, set the resulting range to VR_VARYING.
683
684 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
685
686         * config/mmix/mmix.opt: New file.
687         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
688         (mmix_cc1_ignored_option): Don't declare.
689         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
690         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
691         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
692         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
693         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
694         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
695         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
696         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
697         Don't define.
698         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
699         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
700         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
701
702 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
703
704         PR c/15698
705         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
706         * c-decl.c (current_function_prototype_built_in,
707         current_function_prototype_arg_types): New.
708         (merge_decls): Keep source location of prototype followed by
709         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
710         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
711         (start_function): Always set current_function_prototype_locus,
712         current_function_prototype_built_in and
713         current_function_prototype_arg_types.  Check for external
714         prototype whether or not visible for external function and set
715         current_function_prototype_arg_types accordingly.
716         (store_parm_decls_oldstyle): Use
717         current_function_prototype_arg_types for checking old-style
718         definition against prototype.  Give warnings only if
719         current_function_prototype_built_in).
720
721 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
722
723         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
724         (ggc_alloc_zone_stat): Don't define.
725         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
726         ggc_alloc_zone_pass_stat.
727         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
728         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
729         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
730
731 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
732
733         * calls.c (expand_call): Handle current_function_pretend_args_size
734         when checking for sibcalls.
735
736 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
737
738         PR tree-optimization/21294
739         * tree-vrp.c (vrp_expr_computes_nonzero): New.
740         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
741
742 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
743
744         PR 19985
745         * gcov-io.h: Declare gcov external functions hidden.
746
747 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
748
749         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
750         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
751         Use VEC instead of VARRAY.
752         (equiv_free): New.
753
754         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
755         out common code.
756
757 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
758
759         * c-common.c (resolve_overloaded_builtin): Forward to target
760         hook for BUILT_IN_MD built-ins.
761         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
762         for all types of built-in.
763         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
764         in the definition of the target hooks struct.
765         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
766         * config/rs6000/altivec.h: Rewritten.
767         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
768         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
769         rs6000_builtin_type, rs6000_builtin_type_compatible,
770         altivec_overloaded_builtins, rs6000_builtin_type,
771         rs6000_builtin_type_compatible): New.
772         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
773         New.
774         (def_builtin): Turn into a function.  Check for duplicates and store
775         the builtin into rs6000_builtin_decls.
776         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
777         bdesc_1arg): Add overloaded builtins.
778         (altivec_expand_builtin): Check for unresolved overloaded builtins,
779         do not support ALTIVEC_COMPILETIME_ERROR.
780         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
781         nodes to represent front-end types.
782         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
783         with opaque arguments and/or return values.
784         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
785         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
786         (rs6000_builtin_type_index): New.
787         (is_ev64_opaque_type): Rename to...
788         (rs6000_is_opaque_type): ... this.
789         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
790         target hook.
791
792 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
793
794         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
795         instead of VARRAY.
796
797 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
798             Bernd Schmidt  <bernd.schmidt@analog.com>
799
800         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
801         print_address_operand, print_operand, legitimize_pic_address,
802         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
803         output_pop_multiple): Use gcc_assert or gcc_unreachable as
804         appropriate.
805         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
806
807 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
808
809         * doc/passes.texi: Document vectorization pass.
810
811 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
812
813         * tree-scalar-evolution.c (get_exit_conditions_rec,
814         select_loops_exit_conditions,
815         number_of_iterations_for_all_loops,
816         analyze_scalar_evolution_for_all_loop_phi_nodes,
817         scev_analysis): Use VEC instead of VARRAY.
818
819 2005-05-02  Michael Matz  <matz@suse.de>
820
821         PR c++/19542
822         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
823         (warn_strict_null_sentinel): Define.
824         (check_function_sentinel): Check for null_node as valid sentinel too.
825         * c-common.h (c_tree_index): Added CTI_NULL.
826         (null_node) Define global_tree[CTI_NULL].
827         (warn_strict_null_sentinel): Declare.
828         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
829         * c.opt: (Wstrict-null-sentinel): New C++ option.
830         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
831
832 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
833
834         * gimplify.c (gimplify_compound_lval): Use VEC instead of
835         VARRAY.
836
837         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
838
839         * dwarf2out.c (decl_scope_table, push_decl_scope,
840         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
841         instead of VARRAY.
842
843 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
844
845         PR C++/14391
846         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
847         if !flag_weak.
848         * doc/cpp.texi (__DEPRECATED): Document.
849         (__EXCEPTIONS): Likewise.
850         (__GXX_WEAK__): Likewise.
851
852         * function.c (INVOKE__main): Do not define.
853         (expand_main_function): Check HAS_INIT_SECTION when determining
854         whether or not to call __main.
855
856 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
857
858         * tree-ssa-loop-ivopts.c: Fix a comment typo.
859
860 2005-01-05  Paul Brook  <paul@codesourcery.com>
861
862         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
863         (INITIALIZE_TRAMPOLINE): Use it.
864         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
865         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
866         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
867
868 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
869
870         * doc/install.texi (Specific): Omit dots in the @anchors names
871         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
872         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
873
874 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
875
876         PR tree-optimization/18316
877         PR tree-optimization/19126
878         * tree.c (build_int_cst_type): Avoid shift by size of type.
879         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
880         argument.
881         * tree-scalar-evolution.h (simple_iv): Declaration changed.
882         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
883         field.
884         (dump_cand): Dump depends_on information.
885         (determine_biv_step): Add argument to simple_iv call.
886         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
887         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
888         constant.
889         (add_candidate_1): Record depends_on for candidates.
890         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
891         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
892         Handle ivs with nonconstant step.
893         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
894         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
895         (create_new_iv): Unshare the step before passing it to create_iv.
896         (free_loop_data): Free cand->depends_on.
897         (build_addr_strip_iref): New function.
898         (find_interesting_uses_address): Use build_addr_strip_iref.
899         (strip_offset_1): Split the recursive part from strip_offset.
900         Strip constant offset component_refs and array_refs.
901         (strip_offset): Split the recursive part to strip_offset_1.
902         (add_address_candidates): Removed.
903         (add_derived_ivs_candidates): Do not use add_address_candidates.
904         (add_iv_value_candidates): Add candidates with stripped constant
905         offset.  Consider all candidates with initial value 0 important.
906         (struct affine_tree_combination): New.
907         (aff_combination_const, aff_combination_elt, aff_combination_scale,
908         aff_combination_add_elt, aff_combination_add,
909         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
910         fold_affine_sum): New functions.
911         (get_computation_at): Use fold_affine_sum.
912         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
913         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
914         to simple_iv call.
915
916 2005-04-30  Michael Matz  <matz@suse.de>
917
918         * config/i386/i386.md (movmemsi): Also active when
919         TARGET_INLINE_ALL_STRINGOPS.
920
921 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
922
923         PR bootstrap/20633
924         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
925
926 2005-04-30  Paul Brook  <paul@codesourcery.com>
927
928         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
929         thumb mode.
930         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
931         * config/arm/ieee754-sf.S: Ditto.
932         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
933         (FUNC_ALIAS): Use .thumb_set for thumb routines.
934
935 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
936
937         * tree-ssanames.c: Fix a comment typo.
938         * doc/options.texi: Fix a typo.
939
940 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
941
942         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
943         gcc_unreachable as appropriate.
944         (split_adds_subs, cond_string, print_operand,
945         h8300_initial_elimination_offset, h8300_classify_operand,
946         h8300_unary_length, h8300_short_immediate_length,
947         h8300_bitfield_length, h8300_binary_length,
948         h8300_insn_length_from_table, compute_mov_length, output_plussi,
949         compute_plussi_length, compute_plussi_cc, output_logical_op,
950         compute_logical_op_length, compute_logical_op_cc,
951         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
952         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
953         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
954         h8300_regs_ok_for_stm): Likewise.
955         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
956         monitor_prologue): Likewise.
957
958 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
959
960         * loop-invariant.c (invariants, create_new_invariant,
961         get_inv_cost, best_gain_for_invariant,
962         find_invariants_to_move, move_invariants,
963         init_inv_motion_data, free_inv_motion_data): Use VEC instead
964         of VARRAY.
965
966 2005-04-29  Richard Henderson  <rth@redhat.com>
967
968         * function.c (instantiate_decls): Remove valid_only argument.
969         (instantiate_decls_1, instantiate_decl): Likewise.
970         (instantiate_virtual_regs_1): Delete.
971         (instantiate_virtual_regs_lossage): Delete.
972         (instantiate_virtual_regs_in_rtx): New.
973         (safe_insn_predicate): New.
974         (instantiate_virtual_regs_in_insn): New.
975         (instantiate_virtual_regs): Update to match all that.  Only run
976         instantiate_decls once.
977
978 2005-04-29  Richard Henderson  <rth@redhat.com>
979             Daniel Jacobowitz  <dan@codesourcery.com>
980
981         * gengtype.c (write_func_for_structure): Split out ...
982         (output_type_enum): ... new function.  Fix thinko accessing
983         TYPE_PARAM_STRUCT data.
984
985 2005-04-29  Tom Tromey  <tromey@redhat.com>
986
987         * tree.c (build_block): Removed unused 'tags' argument.
988         * tree.h (build_block): Removed argument.
989
990 2005-04-29  Michael Matz  <matz@suse.de>
991
992         PR rtl-optimization/21144
993         * postreload.c (reload_cse_move2add): Check for VOIDmode.
994
995 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
996
997         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
998         flag_reorder_blocks.
999
1000 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
1001
1002         PR tree-optimization/21030
1003         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
1004         ranges where VR->MAX is smaller than VR->MIN.
1005
1006 2005-04-29  Devang Patel  <dpatel@apple.com>
1007
1008         PR tree-optimization/21272
1009         PR tree-optimization/21266
1010         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
1011         
1012 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
1013
1014         * tree-flow-inline.h: Fix a comment typo.
1015         * doc/tree-ssa.texi: Fix a typo.
1016
1017         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
1018
1019 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
1020
1021         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
1022         gcc_unreachable as appropriate.
1023         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
1024         fr30_print_operand, fr30_move_double): Likewise.
1025         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
1026
1027 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
1028
1029         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
1030         definition has already been provided.
1031         (ARM_EABI_DTORS_SECTION_OP): Likewise.
1032         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
1033         (ARM_EABI_DTORS_SECTION_OP): Likewise.
1034
1035 2005-04-29  Jim Tison  <jtison@us.ibm.com>
1036
1037         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
1038         trace hooks calls to improve performance.
1039
1040 2005-04-29  Julian Brown  <julian@codesourcery.com>
1041             Mark Mitchell  <mark@codesourcery.com>
1042             Paul Brook  <paul@codesourcery.com>
1043
1044         * crtstuff.c: Handle targets that use .init_array.
1045         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
1046         that INVOKE__main is set correctly.
1047         (expand_main_function): Test INVOKE__main.
1048         * libgcc2.c: Do not define __main when using .init_array.
1049         * config/arm/arm.c (arm_elf_asm_constructor): New function.
1050         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
1051         libgcc version.
1052         (DTORS_SECTION_ASM_OP): Likewise.
1053         (CTOR_LIST_BEGIN): Define specially when in libgcc.
1054         (CTOR_LIST_END): Likewise.
1055         (DTOR_LIST_BEGIN): Likewise.
1056         (DTOR_LIST_END): Likewise.
1057         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
1058         (FINI_SECTION_ASM_OP): Likewise.
1059         (INIT_ARRAY_SECTION_ASM_OP): Define.
1060         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
1061         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
1062         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
1063         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
1064         (FINI_ARRAY_SECTION_ASM_OP): Likewise.  
1065
1066 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
1067
1068         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
1069         gcc_assert and gcc_unreachable as appropriate.
1070         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
1071         const_int_cost, output_move_const_into_data_reg,
1072         output_move_qimode, output_move_double, find_addr_reg,
1073         print_operand, print_operand_address): Likewise.
1074         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
1075         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
1076         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
1077         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
1078         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
1079         conditional_trap): Likewise.
1080         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
1081
1082 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
1083
1084         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
1085         gcc_unreachable as appropriate.
1086         (gen_conditional_move, xtensa_split_operand_pair,
1087         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
1088         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
1089         xtensa_copy_incoming_a7, xtensa_output_literal,
1090         xtensa_output_literal, xtensa_output_literal): Likewise.
1091         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
1092         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
1093         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
1094         movsicc_internal1, movsfcc_internal0,
1095         movsfcc_internal1): Likewise.
1096
1097 2005-04-28  James E Wilson  <wilson@specifixinc.com>
1098
1099         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
1100         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
1101
1102 2005-04-28  DJ Delorie  <dj@redhat.com>
1103
1104         * opt-functions.awk (var_set): Emit proper initializer for
1105         non-target bitfields.
1106
1107 2005-04-28  Devang Patel  <dpatel@apple.com>
1108
1109         * dbxout.c (have_used_extensions): Remove.
1110         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
1111         have_used_extensions.
1112         
1113 2005-04-28  James E Wilson  <wilson@specifixinc.com>
1114
1115         * doc/install.texi: Update -enable-languages info.  Correct path to
1116         html docs.
1117
1118 2005-04-28  DJ Delorie  <dj@redhat.com>
1119
1120         * optc-gen.awk (END): Make sure no variable is defined more
1121         than once.
1122         * opth-gen.awk (END): Allocate bits on a per-variable basis.
1123         Allow for bitfield variables other than target_flags.
1124         * doc/options.text (Mask): Document that you may specify a
1125         variable other than target_flags.
1126
1127 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
1128
1129         PR rtl-optimization/18877
1130         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
1131         number in val.start.
1132
1133 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
1134
1135         PR target/20813
1136         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
1137         MASK_PPC_GFXOPT.
1138         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
1139         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
1140         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
1141
1142 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
1143
1144         * arm.c (legitimize_pic_address): Fix sense of assertion test for
1145         creating pseudos when the base offset is too large.
1146
1147 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
1148
1149         * global.c (earlyclobber_regclass): Change the type to
1150         VEC(int,heap).
1151         (check_earlyclobber): Update uses of earlyclobber_regclass.
1152         (mark_reg_use_for_earlyclobber): Likewise.
1153         (calculate_local_reg_bb_info): Allocate and free
1154         earlyclobber_regclass using the VEC API.
1155
1156 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
1157
1158         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
1159         assert.
1160
1161 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
1162
1163         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
1164         (*targetm.foo).
1165
1166         * config.gcc: Obsolete c4x-* and tic4x-*.
1167
1168         * tree.h (edge_def): Remove.
1169
1170         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
1171         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
1172         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
1173         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
1174         where appropriate.
1175
1176         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
1177         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
1178         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
1179         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
1180         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
1181         machmode.def, mips-tfile.c, params.c, pretty-print.c,
1182         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
1183         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
1184         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
1185         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
1186         config/i386/cygming.h, config/i386/djgpp.h,
1187         config/i386/lynx.h, config/i386/netware.c,
1188         config/i386/winnt.c, config/ia64/ia64-c.c,
1189         config/iq2000/iq2000.c, config/m32r/little.h,
1190         config/m68k/m68k-protos.h, config/m68k/m68k.h,
1191         config/m68k/m68k.md, config/mcore/mcore.c,
1192         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
1193         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
1194         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
1195         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
1196         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
1197         config/pdp11/pdp11.h, config/rs6000/darwin.h,
1198         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
1199         config/s390/2064.md, config/s390/2084.md,
1200         config/s390/s390-modes.def, config/s390/s390-protos.h,
1201         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
1202         config/stormy16/stormy16.c, config/vax/vax-protos.h,
1203         config/vax/vax.c, config/vax/vax.h,
1204         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
1205         copyright.
1206
1207 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
1208
1209         * c-typeck.c (build_compound_expr): Correct logic in last change.
1210
1211 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
1212
1213         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
1214         parameters.  Replace conditional move code with assert checking for
1215         ar.lc.  Delete obsolete comments.
1216         (set_src_needs_barrier): Delete cond parameter, and code using it.
1217         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
1218         assert checking for PR_REGS.  Fix calls to update_set_flags and
1219         set_src_needs_barrier.
1220         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
1221         callers.  Rewrite explanatory comment before the function.
1222         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
1223         Fix all callers.
1224
1225 2005-04-27  Mike Stump  <mrs@apple.com>
1226
1227         * doc/cpp.texi: gcc now implements universal character names.
1228
1229 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
1230
1231         PR c/21159
1232         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
1233         being a compound expression whose right-hand side is cast to void.
1234
1235 2005-04-27  Caroline Tice  <ctice@apple.com>
1236
1237         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
1238         Remove targetm.have_named_sections test.
1239         (fix_edges_for_rarely_executed_code): Likewise.
1240         (insert_section_boundary_note): Likewise.
1241         (reorder_basic_blocks): Check partitioning flag before calling
1242         verify_hot_cold_block_grouping.
1243         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
1244         the function struct rather than global variables.
1245         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
1246         (COLD_END_LABEL): Likewise
1247         (cold_text_section_label): New static global variable.
1248         (cold_end_label): Likewise.
1249         (dwarf2out_switch_text_section): Get hot/cold section labels from
1250         the function struct rather than global variables; test to make sure
1251         cfun is defined.
1252         (output_aranges): Use cold_text_section_label and cold_end_label;
1253         check partitioning flag before putting out delta.
1254         (output_ranges): Remove incorrect code attempting to use
1255         hot/cold labels.
1256         (output_line_info): Get cold section label from function struct; test
1257         to make sure cfun is defined.
1258         (add_location_or_const_value_attribute): Likewise.
1259         (dwarf2out_var_location): Likewise.
1260         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
1261         write out cold_text_section_label if partition flag is set.
1262         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
1263         * function.h (struct function): Add new fields to point to hot/cold
1264         section labels: hot_section_label, cold_section_label,
1265         hot_section_end_label and cold_section_end_label; also add new field
1266         for cold text section name, unlikely_text_section_name.
1267         * opts.c (decode_options): Turn off partitioning flag if
1268         !targetm.have_named_sections.
1269         * output.h (hot_section_label): Remove.
1270         (hot_section_end_label): Remove.
1271         (cold_section_end_label): Remove.
1272         (unlikely_section_label): Remove.
1273         (unlikely_text_section_name): Remove.
1274         * passes.c (rest_of_handle_final):  Remove extra blank line.
1275         * varasm.c (unlikely_section_label): Remove.
1276         (hot_section_label): Remove.
1277         (hot_section_end_label): Remove.
1278         (cold_section_end_label): Remove.
1279         (unlikely_text_section_name):  Remove.
1280         (initialize_cold_section_name): Modify to call
1281         targetm.strip_name_encoding; to store cold section name in current
1282         function struct, if it exists; and to only use the decl_section_name
1283         if flag_named_sections is true.
1284         (unlikely_text_section): Modify to get section name out of current
1285         function struct, if there is one; otherwise build it from
1286         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
1287         (in_unlikely_text_section): Likewise.
1288         (named_section): Modify to get/put cold section name in current function
1289         struct, if there is one.
1290         (function_section):  Change 'bool unlikely' to 'int reloc'; check
1291         targetm.have_named_sections before calling named_section.
1292         (current_function_section): Likewise.
1293         (assemble_start_function): Modify to get/put unlikely_text_section_name
1294         in current function struct; modify to get hot/cold section labels
1295         from function struct; initialize labels using
1296         ASM_GENERATE_INTERNAL_LABEL;
1297         test partitioning flag before writing out hot section label.
1298         (assemble_end_function): Test partitioning flag before writing out
1299         hot/cold section labels.
1300         (default_section_type_flags_1):  Get cold text section name from
1301         function struct if there is one; Set flags correctly for
1302         cold text section if there is not a current function struct.
1303         
1304 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
1305
1306         * tree-ssa-propagate.c (set_rhs): Revert last change.
1307
1308 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
1309
1310         * explow.c (convert_memory_address): Add gcc_assert.
1311
1312 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
1313
1314         * configure.ac: Check for ld --sysroot support.
1315         * gcc.c: Document %R specifier for specs.
1316         (SYSROOT_SPEC): New macro.
1317         (sysroot_spec): New variable.
1318         (static_specs): Add sysroot_spec.
1319         (main): Pass the sysroot spec to the linker if appropriate.
1320         * configure: Regenerated.
1321         * config.in: Likewise.
1322
1323 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
1324
1325         * fold-const.c (fold_binary): Use build_fold_addr_expr
1326         for address calculation and INDIRECT_REF handling.
1327
1328 2005-04-27  Andrew Haley  <aph@redhat.com>
1329
1330         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
1331
1332 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1333
1334         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
1335         pointer when thumb backtracing is on.
1336
1337         * config/fp-bit.c (abort): Revert change.
1338
1339 2005-04-27  Ian Lance Taylor  <ian@airs.com>
1340
1341         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
1342
1343 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1344
1345         * tree-ssa-dce.c: Fix a comment typo.
1346
1347 2005-04-27  David S. Miller  <davem@davemloft.net>
1348
1349         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
1350         Kill setjmpless_size.  current_function_calls_setjmp is completely
1351         computed when we are called, so just use the optimized size value
1352         instead of using REG_SAVE_AREA notes.
1353         (optimize_save_area_alloca): Delete....
1354         * rtl.h (optimize_save_area_alloca): Likewise...
1355         * passes.c (rest_of_compilation): and don't call it any more.
1356         * reg-notes.def (SAVE_AREA): Delete.
1357         
1358 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1359
1360         * config/fp-bit.c (abort): Add noreturn attribute.
1361
1362         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
1363         gcc_unreachable as appropriate.
1364         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
1365         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
1366         ASM_OUTPUT_REG_POP): Likewise.
1367
1368 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
1369
1370         * tree-complex.c (expand_vector_operations_1): Do not build
1371         VIEW_CONVERT_EXPR's for the lhs.
1372
1373 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1374
1375         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
1376         unnecessary noncanonical RTL handling.
1377         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
1378         gcc_assert and gcc_unreachable.
1379
1380         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
1381         gcc_unreachable as appropriate.
1382         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
1383         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
1384         use_return_insn, const_ok_for_op, arm_gen_constant,
1385         arm_canonicalize_comparison, legitimize_pic_address,
1386         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
1387         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
1388         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
1389         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
1390         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
1391         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
1392         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
1393         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
1394         output_call, output_mov_long_double_fpa_from_arm,
1395         output_mov_long_double_arm_from_fpa,
1396         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
1397         output_move_double, arithmetic_instr, shift_op, int_log2,
1398         output_return_instruction, arm_output_function_prologue,
1399         arm_output_epilogue, arm_output_function_epilogue,
1400         emit_multi_reg_push, arm_get_frame_offsets,
1401         arm_compute_initial_elimination_offset, arm_expand_prologue,
1402         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
1403         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
1404         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
1405         thumb_compute_initial_elimination_offset,
1406         thumb_output_function_prologue, thumb_load_double_from_address,
1407         thumb_output_move_mem_multiple, thumb_reload_out_hi,
1408         arm_emit_vector_const, arm_dbx_register_number): Likewise.
1409         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
1410         * config/arm/arm.md (thumb_extendhisi2,
1411         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
1412         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
1413         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
1414         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
1415         * config/arm/cirrus.md (*cirrus_arm_movdi,
1416         *cirrus_movdf_hard_insn): Likewise.
1417         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1418
1419 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1420
1421         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
1422         (num_ssa_names): Use VEC_length.
1423         (ssa_names): Use VEC_index.
1424         * tree-ssanames.c (ssa_names): Change the type to
1425         VEC(tree,gc).
1426         (init_ssanames, fini_ssa_names, make_ssanames,
1427         release_ssa_name): Update uses of ssa_names.
1428
1429         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
1430         Use fold_buildN instead of fold (buildN (...)).
1431
1432 2005-04-27  Devang Patel <dpatel@apple.com>
1433
1434         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
1435
1436 2005-04-27  Matt Thomas <matt@3am-software.com>
1437             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
1438
1439         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
1440         (vax_output_mi_thunk): Ditto.
1441         (vax_notice_cc_update): Ditto.
1442         (INDEX_REGISTER_P): Add trailing \.
1443         (BASE_REGISTER_P): Add trailing \.
1444         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
1445
1446 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
1447
1448         * tree-ssa-propagate.c (set_rhs): Check operand of
1449         ADDR_EXPR for gimpliness, too.
1450
1451 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1452
1453         * tree-ssa-pre.c: Fix a comment typo.
1454
1455 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1456
1457         PR tree-optimization/21171
1458         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
1459         record address uses if the reference is volatile.
1460
1461 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
1462
1463         * tree-complex.c (expand_vector_operation): New, extracted from
1464         expand_vector_operations_1.
1465         (tree_vec_extract): Build a NOP_EXPR.
1466         (expand_vec_parallel): Do not care about returning the correct type.
1467         (expand_vector_operations_1): Call expand_vector_operation.
1468         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
1469
1470         * tree-complex.c (gate_expand_vector_operations): New.
1471         (pass_lower_vector_ssa): Use it.
1472         * tree-optimize.c (init_tree_optimization_passes): Include
1473         pass_lower_vector_ssa.
1474         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
1475         (vectorizable_operation): Use it.
1476         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
1477         integer modes for the vector type.
1478
1479         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
1480         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
1481         Do not cope with UNITS_PER_SIMD_WORD == 0.
1482         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
1483         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
1484         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
1485         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
1486         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
1487         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
1488         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
1489
1490         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
1491         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
1492         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
1493
1494         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
1495         (UNITS_PER_SIMD_WORD): New.
1496
1497 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1498
1499         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
1500         gcc_unreachable as appropriate.
1501         (ia64_expand_load_address, ia64_expand_tls_address,
1502         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
1503         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
1504         next_scratch_gr_reg, ia64_initial_elimination_offset,
1505         ia64_expand_prologue, ia64_expand_epilogue,
1506         ia64_output_dwarf_dtprel, ia64_print_operand,
1507         ia64_register_move_cost, first_instruction, rws_access_regno,
1508         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
1509         ia64_sched_init, ia64_variable_issue,
1510         ia64_first_cycle_multipass_dfs_lookahead_guard,
1511         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
1512         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
1513         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
1514         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
1515         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1516         * config/ia64/predicates.md (got_symbolic_operand,
1517         sdata_symbolic_operand): Likewise.
1518         * config/ia64/vect.md (vcondv2sf): Likewise.
1519
1520 2005-04-27  Matt Thomas <matt@3am-software.com>
1521
1522         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
1523         CONSTANT_ADDRESS_P in config/vax/vax.h
1524         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h. 
1525         (INDEX_REGISTER_P): New.
1526         (BASE_REGISTER_P): New.
1527         (indirectable_constant_address_p): New.  Adapted from
1528         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
1529         (indirectable_address_p): New.  Adapted from
1530         INDIRECTABLE_ADDRESS_P in vax.h.
1531         (nonindexed_address_p): New.  Adapted from
1532         GO_IF_NONINDEXED_ADDRESS in vax.h.
1533         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
1534         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
1535         (legitimate_address_p): New.  Adapted from
1536         GO_IF_LEGITIMATE_ADDRESS in vax.h.
1537         (vax_mode_dependent_address_p): New.  Adapted from
1538         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
1539         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
1540         legitimate_constant_address_p.
1541         (CONSTANT_P): Use legitimate_constant_p.
1542         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
1543         (INDIRECTABLE_ADDRESS_P): Removed.
1544         (GO_IF_NONINDEXED_ADDRESS): Removed.
1545         (INDEX_TEMP_P): Removed.
1546         (GO_IF_REG_PLUS_INDEX): Removed.
1547         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
1548         definitions, depending on whether REG_OK_STRICT is defined.
1549         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
1550         Two definitions, depending on whether REG_OK_STRICT is defined.
1551         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
1552         added.
1553         (legitimate_constant_p): Prototype added.
1554         (legitimate_address_p): Prototype added.
1555         (vax_mode_dependent_address_p): Prototype added.
1556
1557 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1558
1559         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
1560
1561 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
1562
1563         PR c/21213
1564         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
1565         transparent union.
1566
1567 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
1568
1569         PR c/20740
1570         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
1571         assertion failures, if __gcc_host_wide_int__ is not properly
1572         defined.
1573         (init_dynamic_diag_info): Give errors, not assertion failures, if
1574         location_t, tree or __gcc_host_wide_int__ are not properly
1575         defined.
1576
1577 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
1578
1579         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
1580         n_iv_uses, iv_use, n_iv_cands, iv_cand,
1581         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
1582         prepare_decl_rtl, free_loop_data,
1583         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
1584         VARRAY.
1585
1586         * tree.h (tree_phi_node): Add a comment about the order of PHI
1587         arguments.
1588
1589 2005-04-26  Paul Brook  <paul@codesourcery.com>
1590
1591         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
1592
1593 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
1594
1595         * config/mips.mips.c (mips_legitimize_tls_address): Use
1596         gcc_unreachable.
1597
1598         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
1599         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
1600         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
1601
1602         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
1603         'abort'.
1604
1605 2005-04-26  Jeff Law  <law@redhat.com>
1606
1607         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
1608         (op_iter_init_must_and_may_def): Likewise.
1609         (unmodifiable_var_p): Move to a later point in the file.
1610         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
1611         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
1612         (dse_record_phis): Directly check for virtual operands rather than
1613         using need_imm_uses_for.
1614         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
1615         store has multiple V_{MAY,MUST}_DEF operands.
1616
1617 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
1618
1619         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
1620         stmt.
1621
1622 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
1623
1624         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
1625         call to find_edge outside a loop to go through a PHI chain.
1626
1627 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
1628
1629         PR tree-optimization/17598
1630         * fold-const.c (fold_binary): Fold comparisons of addresses
1631         of COMPONENT_REFs which reference the same field to
1632         comparisons of the addresses of the base objects.
1633
1634 2005-04-26  Julian Brown  <julian@codesourcery.com>
1635
1636         * config/arm/arm.c (arm_return_in_msb): New function.
1637         (arm_must_pass_in_stack): New function.
1638         (TARGET_RETURN_IN_MSB): Define target hook.
1639         (TARGET_MUST_PASS_IN_STACK): Define target hook.
1640         (arm_function_value): Pad small aggregate return.
1641         (arm_pad_arg_upward): New function.
1642         (arm_pad_reg_upward): New function.
1643         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
1644         (FUNCTION_ARG_PADDING): Define macro.
1645         (BLOCK_REG_PADDING): Define macro.
1646         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
1647         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
1648         (arm_pad_reg_upward): Declare function.
1649
1650 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
1651
1652         * basic-block.h (ei_cond): New.
1653         (FOR_EACH_EDGE): Call ei_cond.
1654
1655         PR tree-optimization/21047
1656         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
1657         (fold): Don't handle ASSERT_EXPR.
1658
1659 2005-04-25  Roger Sayle  <roger@eyesopen.com>
1660
1661         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
1662         all writes to any stack register as a read/write dependency on
1663         FIRST_STACK_REG.
1664         (sched_analyze_2): Likewise, for reads from any stack register.
1665
1666 2005-04-25  Richard Henderson  <rth@redhat.com>
1667
1668         * final.c (output_addr_const): Revert 2005-04-09 change.
1669
1670 2005-04-25  Mike Stump  <mrs@apple.com>
1671
1672         * config/darwin.c (darwin_encode_section_info): Always set
1673         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
1674
1675 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1676
1677         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
1678         gensupport.c, protoize.c, toplev.c: Replace calls to
1679         `unlock_stream' with `unlock_std_streams'.
1680
1681 2005-04-25  Devang Patel <dpatel@apple.com>
1682
1683         * dbxout.c (dbxout_type): Emit attribute vector.
1684         
1685 2005-04-05  Paul Brook  <paul@codesourcery.com>
1686
1687         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
1688         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
1689         * config/arm/arm.c (arm_cxx_atexit_name): New function.
1690         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
1691         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
1692         (register_dtor_fn): Likewise.
1693         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
1694
1695 2005-04-25  Ian Lance Taylor  <ian@airs.com>
1696
1697         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
1698         * c-common.h (EXPR_STMT_EXPR): Don't define.
1699         (c_common_stmt_codes): Don't define.
1700         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
1701         * c-gimplify.c (gimplify_expr_stmt): Remove.
1702         (c_gimplify_expr): Remove EXPR_STMT case.
1703         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
1704         to INIT_STATEMENT_CODES.
1705         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
1706
1707 2005-04-25  Jan Hubicka  <jh@suse.cz>
1708
1709         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
1710
1711         * except.c: Include diagnostic.h
1712         (dump_eh_tree, verify_eh_tree): New functions.
1713         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
1714         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
1715         (dump_function_to_file): dump eh tree.
1716         * tree-eh.c (mark_eh_edge): New function.
1717         (mark_eh_edge_found_error): New static variable.
1718         (verify_eh_edges): New function.
1719
1720 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
1721
1722         * tree-ssa-alias.c (fieldoff_t): Remove.
1723         (fieldoff_s): typedef the structure itself.  Create a vector of
1724         objects.
1725         (push_fields_onto_fieldstack): Return count of fields pushed.
1726         Remove peeling of first field.  Adjust.
1727         (fieldoff_compare): Adjust.
1728         (create_overlap_variables_for): Adjust.
1729
1730 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
1731
1732         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
1733
1734 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
1735
1736         PR bootstrap/21215
1737         * doc/install.texi: Document correct assembler and linker to use
1738         on i?86-*-solaris2.10.
1739
1740 2005-04-25  Steven Bosscher  <stevenb@suse.de>
1741
1742         Fix PR tree-optimization/21173
1743
1744         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
1745         Unshare expression we pass to force_gimple_operand.
1746
1747 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
1748             Stephen Clarke <stevec@superh.com>
1749             Roger Sayle <roger@eyesopen.com>
1750
1751         PR rtl-optimization/20413
1752         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
1753         VOIDmode for LABEL_REF.
1754         * final.c (shorten_branches): Likewise.
1755         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
1756         * loop.c (reg_dead_after_loop): Likewise.
1757         * varasm.c (decode_addr_const): Likewise.
1758         * doc/rtl.texi: Document mode requirement for LABEL_REF.
1759
1760 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
1761
1762         * config.gcc (avr-*-*): Remove redundant "case".
1763
1764 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
1765
1766         * tree-vect-analyze.c (vect_mark_relevant): Take
1767         VEC(tree,heap) instead of varray_type as an argument.
1768         (vect_mark_stmts_to_be_vectorized): Change the type of
1769         worklist to VEC(tree,heap).  Adjust uses of worklist.
1770
1771 2005-04-24  Devang Patel  <dpatel@apple.com>
1772
1773         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
1774         
1775 2005-04-24  Ian Lance Taylor  <ian@airs.com>
1776
1777         * c-semantics.c (build_stmt): Remove test of specific tree codes
1778         for TREE_SIDE_EFFECTS handling.
1779
1780 2005-04-24  Per Bothner  <per@bothner.com>
1781
1782         * c-opts.c (finish_options):  Make the line-number of the <built-in>
1783         location 0, as assumed elsewhere, rather than 1.
1784
1785 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
1786
1787         * tree-ssa-uncprop.c (equiv_stack): Change the type o
1788         VEC(tree,heap).
1789         (tree_ssa_uncprop, uncprop_finalize_block,
1790         uncprop_initialize_block): Update uses of equiv_stack.
1791
1792 2005-04-24  Richard Henderson  <rth@redhat.com>
1793
1794         PR rtl-opt/21163
1795         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
1796         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
1797         constm1_rtx.
1798         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
1799         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
1800         <DIV, MOD>: Likewise.
1801
1802 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1803
1804         * collect2.c (main): Unlock the stdio streams.
1805         * gcc.c (main): Likewise.
1806         * gcov-dump.c (main): Likewise.
1807         * gcov.c (main): Likewise.
1808         * gen-protos.c (main): Likewise.
1809         * gensupport.c (init_md_reader_args_cb): Likewise.
1810         * protoize.c (main): Likewise.
1811         * toplev.c (general_init): Likewise.
1812
1813 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
1814
1815         PR middle-end/20991
1816         * cgraph.h (cgraph_local_info): Add vtable_method field.
1817         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
1818         and node is vtable_method, finalized and not reachable, don't do
1819         anything.
1820
1821 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
1822
1823         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
1824         COMPARISON_CLASS_P.
1825         * tree-ssa-pre.c (create_value_expr_from): Use
1826         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
1827         * tree-ssa-propagate.c (stmt_makes_single_load,
1828         stmt_makes_single_store): Use REFERENCE_CLASS_P.
1829         * tree-vect-transform.c (vect_is_simple_cond): Use
1830         COMPARISON_CLASS_P.
1831         * tree-vrp.c (extract_range_from_assert,
1832         build_assert_expr_for, fp_predicate, has_assert_expr): Use
1833         COMPARISON_CLASS_P.
1834
1835         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
1836         of tpa_to_clear to VEC(int,heap).  Update uses of
1837         tpa_to_clear.  Free tpa_to_clear at the end.
1838
1839 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
1840
1841         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
1842         function decl.
1843
1844 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
1845
1846         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
1847         and gcc_unreachable as appropriate.
1848         (num_insns_constant, output_vec_const_move,
1849         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
1850         rs6000_emit_set_const, rs6000_emit_move,
1851         spe_build_register_parallel, function_arg,
1852         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
1853         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
1854         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
1855         rs6000_common_init_builtins, expand_block_clear,
1856         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
1857         extract_ME, rs6000_get_some_local_dynamic_name,
1858         rs6000_output_function_entry, print_operand,
1859         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
1860         output_cbranch, output_e500_flip_gt_bit,
1861         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
1862         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
1863         compute_save_world_info, rs6000_stack_info,
1864         rs6000_emit_load_toc_table, rs6000_frame_related,
1865         spe_synthesize_frame_save, rs6000_emit_epilogue,
1866         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
1867         output_function_profiler, rs6000_trampoline_size,
1868         rs6000_initialize_trampoline, find_addr_reg,
1869         rs6000_machopic_legitimize_pic_address,
1870         rs6000_initial_elimination_offset,
1871         rs6000_dbx_register_number): Likewise.
1872         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
1873         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
1874         *movti_power, *movti_string, call, call_value, sibcall,
1875         sibcall_value): Likewise.
1876         * config/rs6000/spe.md (*movdf_e500_double,
1877         *movv2si_internal): Likewise.
1878         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
1879         from comment.
1880
1881 2005-04-24  Richard Henderson  <rth@redhat.com>
1882
1883         PR target/21101
1884         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
1885         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
1886         Deny modes smaller than 4 bytes.
1887         * config/i386/i386-protos.h: Update.
1888
1889 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
1890
1891         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
1892         Switch h8300-*-rtems* to ELF.
1893
1894 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
1895
1896         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
1897
1898 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
1899
1900         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
1901
1902 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
1903
1904         PR middle-end/21082
1905         * fold-const.c: Fold &a[i]-&a[j] to i-j.
1906
1907 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1908
1909         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
1910         definitions of ssa names in condition.  Split recusive part to ...
1911         (tree_simplify_using_condition_1): New function.
1912         (expand_simple_operations): New function.
1913
1914 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1915
1916         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
1917         (find_interesting_uses_cond): Do not use integer_zerop and
1918         integer_nonzerop to check for integer constants.
1919         (set_use_iv_cost): Record the value field.
1920         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
1921         determine_use_iv_cost_outer): Set the value field of the cost pair.
1922         (may_eliminate_iv): Do not return the comparison code.
1923         (iv_elimination_compare): New function.
1924         (determine_use_iv_cost_condition): Set the value field.  Record
1925         noneliminable invariants correctly.
1926         (rewrite_use_compare, rewrite_use_outer): Use the value field.
1927
1928 2005-04-23  DJ Delorie  <dj@redhat.com>
1929
1930         * diagnostic.c (warning): Accept parameter to classify warning option.
1931         (warning0): New, for when a pointer to an error() like function is needed.
1932         * errors.c (warning): Likewise.
1933         * errors.h (warning, warning0): Adjust prototypes.
1934         * toplev.h (warning, warning0): Likewise.
1935
1936         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
1937         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
1938         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
1939         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
1940         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
1941         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
1942         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
1943         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
1944
1945         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
1946         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
1947         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
1948         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
1949         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
1950         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
1951         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
1952         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
1953         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
1954         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
1955         config/rs6000/aix52.h, config/rs6000/darwin.h,
1956         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
1957         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
1958         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
1959         config/stormy16/stormy16.c, config/v850/v850-c.c,
1960         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
1961         callers.
1962         
1963 2005-04-23  Richard Henderson  <rth@redhat.com>
1964
1965         PR rtl-opt/21102
1966         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
1967         performing some integral scalar simplifications.
1968
1969 2005-04-23  Richard Henderson  <rth@redhat.com>
1970
1971         PR target/21099
1972         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
1973         simplifying CONST_VECTOR.
1974
1975 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
1976
1977         * tree-ssa-live.c (live_worklist): Take a stack allocated on
1978         heap as an argument.  Update uses of stack.
1979         (calculate_live_on_entry): Allocate stack on heap.
1980
1981         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
1982         partition_link and tpa_nodes on heap.
1983
1984         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
1985         (mark_stmt_necessary, propagate_necessity,
1986         mark_really_necessary_kill_operand_phis): Update uses of
1987         worklist.
1988         (tree_dce_init): Allocate worklist using VEC_alloc.
1989         (tree_dce_done): Free worklist using VEC_free.
1990
1991 2005-04-23  Mike Stump  <mrs@apple.com>
1992
1993         * config/darwin.c (machopic_indirection_name): Don't use
1994         quotes needlessly.
1995         (darwin_emit_unwind_label): Use user_label_prefix instead of
1996         "_".
1997
1998 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
1999
2000         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
2001
2002 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
2003
2004         * config.gcc <cris-*>: Specify .opt files.
2005         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
2006         config/cris/linux.opt: New files.
2007         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
2008         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
2009         (TARGET_ELF): Override to 0.
2010         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
2011         -melinux-stacksize=N.
2012         * config/cris/cris.c: (cris_handle_option): New function.
2013         (TARGET_DEFAULT_TARGET_FLAGS): Override.
2014         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
2015         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
2016         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
2017         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
2018         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
2019         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
2020         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
2021         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
2022         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
2023         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
2024         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
2025         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
2026         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
2027         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
2028         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
2029         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
2030         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
2031         (TARGET_LINUX): Define 0.
2032         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
2033         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
2034         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
2035         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
2036         (TARGET_LINUX): Override to 1.
2037         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
2038
2039 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
2040
2041         * haifa-sched.c (schedule_block): Fix thinko in previous
2042         assertification patch.
2043
2044 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
2045
2046         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
2047         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
2048         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
2049         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
2050         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
2051         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
2052         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
2053         for hpux11.[1-9]*.
2054         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
2055         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
2056         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
2057         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
2058         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
2059         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
2060         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
2061         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
2062         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
2063         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
2064         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
2065         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
2066         (SUBTARGET_OPTIONS): Delete.
2067         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
2068         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
2069         instead of a string.
2070         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
2071         (pa_cpu_string, pa_unix_string): Delete.
2072         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
2073         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
2074         TARGET_HPUX_10_10.
2075         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2076         (pa_handle_option): New function.
2077         (override_options): Remove handling of -march=, -mfixed-range=,
2078         -mschedule= and -munix=.
2079         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
2080         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
2081         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
2082         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
2083         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
2084         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
2085         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
2086         redefining.
2087         * config/pa/pa.opt: New file.
2088         * config/pa/pa-hpux.opt: New file.
2089         * config/pa/pa-hpux1010.opt: New file.
2090         * config/pa/pa-hpux1111.opt: New file.
2091         * config/pa/pa64-hpux.opt: New file.
2092
2093 2005-04-22  David S. Miller  <davem@davemloft.net>
2094
2095         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
2096         integer when it's mode is VOIDmode not DImode.
2097
2098 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
2099
2100         * config/rs6000/rs6000.md (sync_add<mode>_internal,
2101         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
2102         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
2103         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
2104         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
2105         "bne- $-xxx" rather than local labels.
2106         (sync_lock_release<mode>): Add second operand.
2107         (lwsync): Use .long rather than a more meaningful opcode.
2108         * doc/md.texi (Standard Names): Add description of second
2109         parameter to sync_lock_test_and_set.
2110
2111 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
2112
2113         PR tree-optimization/21088
2114         * fold-const.c (fold_unary, fold_binary, fold_ternary):
2115         Export.
2116         * tree-vrp.c (compare_values): Use fold_binary to compare
2117         pointers.  Use boolean_type_node as the type of a comparison
2118         expression being folded.
2119         * tree.h: Add prototypes for fold_unary, fold_binary,
2120         fold_ternary.
2121
2122         * tree-ssa-dom.c: Fix formatting.
2123
2124 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
2125
2126         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
2127         * lambda-code.c (perfect_nestify): Mark virtual operands in
2128         the moved statement for renaming.
2129         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
2130         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
2131         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
2132         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
2133         * tree-flow.h (struct var_ann_d): Update comments.
2134         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
2135         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
2136         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
2137         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
2138         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
2139         debug_names_replaced_by): Remove declarations.
2140         (delete_update_ssa, get_current_def, set_current_def): Declare.
2141         (rewrite_into_loop_closed_ssa): Add new argument.  Update
2142         all callers.
2143         * tree-into-ssa.c: Include params.h.
2144         (old_virtual_ssa_names): Remove.  Update all users.
2145         (need_to_replace_names_p): Remove.  Update all users.
2146         (struct update_ssa_stats_d): Declare.
2147         (update_ssa_stats): New local.
2148         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
2149         dump_tree_ssa_stats, debug_tree_ssa_stats,
2150         dump_update_ssa, debug_update_ssa,
2151         dump_names_replaced_by, debug_names_replaced_by): Declare.
2152         (get_current_def, set current_def): Make extern.
2153         (is_old_name, is_new_name): Protect against references
2154         past the end of the sets.
2155         (add_new_name_mapping): Assert that OLD and NEW are
2156         different SSA names for the same symbol.
2157         When adding a virtual mapping, update stats for virtual
2158         mapping heuristic.
2159         (insert_phi_nodes_for): If UPDATE_P is true, create the
2160         LHS of the new PHI by duplicating SSA name VAR.
2161         (insert_phi_nodes_1): Remove.  Update all users.
2162         (insert_phi_nodes): Remove second argument.  Update all
2163         users.
2164         (maybe_replace_use, maybe_replace_def): New.
2165         (rewrite_update_stmt): Call them.
2166         (mark_def_interesting): Remove calls to is_gimple_reg.
2167         (prepare_phi_args_for_update): Remove.  Update all users.
2168         (prepare_block_for_update): Only process virtual operands
2169         and GIMPLE registers in normal form.
2170         (prepare_use_sites_for): New.
2171         (prepare_names_to_update): Rename from prepare_def_sites.
2172         Call prepare_use_sites_for.
2173         (dump_update_ssa): Rename from dump_repl_tbl.
2174         Update all users.
2175         Show statistics for virtual mapping heuristic.
2176         (debug_update_ssa): Rename from debug_debug_repl_tbl.
2177         (init_update_ssa): Initialize UPDATE_SSA_STATS.
2178         (delete_update_ssa): Make extern.
2179         (mark_set_for_renaming): If the set is empty, do nothing.
2180         (release_ssa_name_after_update_ssa): Update comment.
2181         (insert_updated_phi_nodes_for): Do not remove existing
2182         PHI nodes for symbols.
2183         (switch_virtuals_to_full_rewrite_p): New.
2184         (switch_virtuals_to_full_rewrite): New.
2185         (update_ssa): Call them.
2186         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
2187         for every statement before updating.
2188         If all the names in NEW_SSA_NAMES have been marked for
2189         removal, do nothing.
2190         Only start at the top of the CFG if there are symbols in
2191         SYMS_TO_RENAME.
2192         (ssa_rewrite_finalize_block): Remove.
2193         (ssa_register_new_def): Remove.
2194         (ssa_rewrite_stmt): Remove.
2195         (ssa_rewrite_phi_arguments): Remove.
2196         (ssa_rewrite_initialize_block): Remove.
2197         (ssa_mark_def_sites): Remove.
2198         (ssa_mark_def_sites_initialize_block): Remove.
2199         (ssa_mark_phi_uses): Remove.
2200         (rewrite_ssa_into_ssa): Remove.
2201         * tree-phinodes.c (find_phi_node_for): Remove.
2202         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
2203         Call update_ssa.
2204         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
2205         Remove calls to verify_dominators and
2206         verify_loop_structure.
2207         (tree_unswitch_single_loop): Call update_ssa.
2208         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
2209         returns false.
2210         Call verify_stmts.
2211         (delete_tree_ssa): Assert that need_ssa_update_p returns
2212         false.
2213         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
2214         * tree-vectorizer.c (allocate_new_names, rename_def_op,
2215         free_new_names): Remove.  Update all users.
2216         (rename_use_op): Call get_current_def.
2217         (rename_variables_in_bb): Do not handle any real or
2218         virtual definition.
2219         (slpeel_update_phis_for_duplicate_loop): Call
2220         get_current_def and set_current_def instead of using
2221         SSA_NAME_AUX.
2222         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
2223         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
2224         ssa_names_to_replace and delete_update_ssa.
2225         * doc/invoke.texi: Document --param min-virtual-mappings
2226         and --param virtual-mappings-ratio.
2227
2228 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
2229
2230         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
2231         for newly created PHI nodes.
2232         Call create_new_def_for for every new V_MAY_DEF and
2233         V_MUST_DEF on the copied statement.
2234         (struct ssa_name_map_entry): Remove.
2235         (ssa_name_map_entry_hash): Remove.
2236         (ssa_name_map_entry_eq): Remove.
2237         (allocate_ssa_names): Remove.
2238         (rewrite_to_new_ssa_names_def): Remove.
2239         (rewrite_to_new_ssa_names_use): Remove.
2240         (rewrite_to_new_ssa_names_bb): Remove.
2241         (rewrite_to_new_ssa_names): Remove.
2242         (tree_duplicate_sese_region): Remove variables ver,
2243         definitions, phi, ssa_name_map and bi.
2244         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
2245         Call update_ssa.
2246         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
2247         update_ssa instead of rewrite_ssa_into_ssa.
2248         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
2249         create_new_def_for.
2250         (find_uses_to_rename_use): Add argument 'need_phis'.
2251         (find_uses_to_rename_stmt): Do not scan virtual operands.
2252         (find_uses_to_rename): Only scan PHI nodes for
2253         non-virtual names.
2254         (rewrite_into_loop_closed_ssa): Call update_ssa.
2255         (check_loop_closed_ssa_use): Ignore virtual operands.
2256         (check_loop_closed_ssa_stmt): Likewise.
2257         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
2258         NULL.
2259         (rename_variables, set_phi_def_stmts): Remove.
2260         (tree_duplicate_loop_to_header_edge): Reformat comment.
2261         Remove variables BB, I and DEFINITIONS.
2262         Call need_ssa_update_p.
2263         Call update_ssa.
2264         (lv_adjust_loop_header_phi): Reformat comment.
2265         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
2266         (marked_for_rewrite_p, any_marked_for_rewrite_p,
2267         mark_for_rewrite, unmark_all_for_rewrite,
2268         marked_ssa_names): Remove.  Update all users.
2269         (release_ssa_name): If VAR has been registered for SSA
2270         updating, do nothing.
2271         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
2272         (build_assert_expr_for): Call register_new_name_mapping.
2273         (insert_range_assertions): Update call to update_ssa.
2274         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
2275         marked_for_rewrite_p, any_marked_for_rewrite_p,
2276         marked_ssa_names): Remove.
2277
2278 2005-04-22  Jeff Law  <law@redhat.com>
2279
2280         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
2281         (restore_currdefs_to_original_value): Likewise.
2282         (register_definitions_for_stmt): Likewise.
2283         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
2284         for each variable.  Do not allocate/free block_defs_stack either.
2285         Do not iterate if we just thread jumps.  Only iterate if the
2286         tree_cleanup_cfg does useful work (temporary).
2287         (dom_opt_initialize_block): No longer push a marker on
2288         BLOCK_DEFS_STACK.
2289         (dom_opt_finalize_block): Removal call to restore currdefs.
2290         Relax restrictions for recording edge equivalences.
2291         (record_equivalences_from_phis): No longer need to track
2292         CURRENT_DEF.
2293         (optimize_stmt): Similarly.
2294         (thread_across_edge): Simplify by removing the requirement that
2295         statements in the block we are threading through must be nops.
2296         (initialize_hash_element): Handle GOTO_EXPR.
2297
2298 2005-04-22  David S. Miller  <davem@davemloft.net>
2299
2300         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
2301         CONST_DOUBLE_HIGH.
2302         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
2303         fix check on CONST_DOUBLE mode.  It should be VOIDmode
2304         when it is representing an integer.
2305
2306 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2307
2308         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
2309         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
2310         * c-format.c (get_constant, decode_format_attr, get_flag_spec, 
2311         find_char_info_specifier_index,
2312         find_length_info_modifier_index): Likewise.
2313         * c-typeck.c (composite_type, pop_init_level): Likewise.
2314         * combine.c (cant_combine_insn_p, try_combine): Likewise.
2315         * cse.c (cse_insn): Likewise
2316         * dominance.c (calc_dfs_tree): Likewise
2317         dwarf2out.c (loc_descriptor_from_tree_1,
2318         add_abstract_origin_attribute, force_decl_die,
2319         force_type_die): Likewise
2320         emit-rtl.c (operand_subword_force): Likewise
2321         explow.c (hard_function_value): Likewise
2322         expmed.c (store_bit_field, expand_divmod,
2323         emit_store_flag_force): Likewise
2324         expr.c (emit_move_multi_word, store_expr,
2325         expand_expr_real_1): Likewise
2326         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
2327         output_operand): Likewise
2328         flow.c (recompute_reg_usage): Likewise
2329         * function.c (assign_stack_temp_for_type, assign_temp, 
2330         handle_epilogue_set): Likewise
2331         * genextract.c (main): Likewise
2332         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
2333         gimplify_modify_expr_rhs, gimplify_expr): Likewise
2334         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
2335         ready_remove, rm_line_notes, rm_other_notes,
2336         schedule_block): Likewise
2337         mips-tfile.c (copy_object, out_of_bounds): Likewise
2338
2339 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
2340
2341         PR target/20813
2342         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
2343         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
2344         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
2345         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
2346         TARGET_XL_COMPAT.
2347         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
2348
2349 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2350
2351         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
2352         (gcc_tree_to_linear_expression): Convert to heap allocated
2353         vectors.
2354         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
2355         lbv_to_gcc_expression, lle_to_gcc_expression,
2356         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest, 
2357         perfect_nestify): Likewise.
2358         lambda.h (gcc_loopnest_to_lambda_loopnest,
2359         lambda_loopnest_to_gcc_loopnest): Likewise.
2360         tree-loop-linear.c (linear_transform_loops): Likewise.
2361
2362 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
2363
2364         * config/sparc/predicates.md (arith_double_operand): Use
2365         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
2366         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
2367         (DImode, DFmode constant splitters): Likewise.  Remove code for
2368         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
2369         (logical constant splitters): Use const_int_operand predicate.
2370         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
2371         HOST_BITS_PER_WIDE_INT < 64.
2372
2373 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2374
2375         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
2376         gcc_unreachable as appropriate.
2377         (force_mode, emit_move_sequence, singlemove_string,
2378         output_move_double, output_fp_move_double, find_addr_reg,
2379         output_block_move, output_block_clear, output_and,
2380         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
2381         pa_adjust_cost, pa_issue_rate, print_operand,
2382         output_global_address, output_arg_descriptor, output_cbranch,
2383         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
2384         output_call): Likewise.
2385         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
2386         prefetch, prefetch_cc, prefetch_nocc): Likewise.
2387
2388 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
2389
2390         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
2391         _gcov_pow2_profiler and _gcov_one_value_profiler.
2392         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
2393         (GTFILES): Add $(srcdir)/tree-profile.c.
2394         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
2395         __gcov_one_value_profiler): Declare.
2396         * gimplify.c (force_gimple_operand): Check whether the statements
2397         should be produced in ssa form.
2398         (force_gimple_operand_bsi): New function.
2399         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
2400         __gcov_one_value_profiler): New functions.
2401         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
2402         the profiled value is a power of two or not.
2403         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
2404         * tree-flow.h (in_ssa_p): Declare.
2405         (force_gimple_operand_bsi): Declare.
2406         * tree-into-ssa.c (in_ssa_p): New variable.
2407         (rewrite_into_ssa): Set in_ssa_p.
2408         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
2409         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
2410         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
2411         tree_one_value_profiler_fn): New variables.
2412         (tree_init_edge_profiler): Initialize the profiler function decls.
2413         (tree_gen_edge_profiler): Use global gcov_type_node.
2414         (prepare_instrumented_value): New function.
2415         (tree_gen_interval_profiler, tree_gen_interval_profiler,
2416         tree_gen_one_value_profiler): Call the library functions instead of
2417         creating instrumentation code.
2418         * tree.c (build_fn_decl): New function.
2419         * tree.h (build_fn_decl): Declare.
2420         * value-prof.c (rtl_divmod_values_to_profile,
2421         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
2422         tree_mod_pow2_value_transform, tree_find_values_to_profile):
2423         Do not handle may_be_other and precise values of exponents at pow2
2424         profiler.
2425         (tree_mod_subtract_transform): Reflect that value field of
2426         histogram has changed meaning.
2427         (tree_divmod_values_to_profile): Record the values correctly.
2428         (tree_values_to_profile): Update comment.
2429         * value-prof.h (struct histogram_value_t): Remove pow2 data.
2430
2431 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
2432
2433         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
2434         (decl).
2435
2436 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2437
2438         * config/i386/i386.md (length_immediate): Use gcc_assert or
2439         gcc_unreachable, as appropriate.
2440         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
2441         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
2442         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
2443         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
2444         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
2445         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
2446         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
2447         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
2448         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
2449         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
2450         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
2451         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
2452         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
2453         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
2454         *prefetch_sse_rex): Likewise.
2455         * config/i386/predicates.md (x86_64_immediate_operand,
2456         x86_64_zext_immediate_operand, symbolic_operand,
2457         no_seg_address_operand, aligned_operand,
2458         memory_displacement_operand): Likewise.
2459         * config/i386/sse.md (*mov<mode>_internal,
2460         *movv2df_internal): Likewise.
2461
2462 2005-04-22  Jan Hubicka  <jh@suse.cz>
2463
2464         * Makefile.in (ipa.o, ipa-inline.o): New files.
2465         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
2466         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
2467         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
2468         * cgraphunit.c (cgraph_default_inline_p,
2469         cgraph_decide_inlining_incrementally,  ncalls_inlined,
2470         nfunctions_inlined, initial_insns, overall_insns, 
2471         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
2472         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
2473         cgraph_mark_inline, cgraph_check_inline_limits,
2474         cgraph_default_inline_p, cgraph_recursive_inlining_p,
2475         update_callee_keys, lookup_recursive_calls,
2476         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
2477         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
2478         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
2479         pass_ipa_inline): Move to ipa-inline.c
2480         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
2481         * ipa.c: New file.
2482         * ipa-inline.c: New file.
2483
2484 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
2485
2486         * doc/invoke.texi (SPARC options): Document that -mapp-regs
2487         is turned off by default on Solaris.
2488
2489 2005-04-21  Roger Sayle  <roger@eyesopen.com>
2490
2491         * c-common.h (objc_build_method_signature): Update prototype.
2492         * stub-objc.c (objc_build_method_signature): Update the stub
2493         implementation to accept and ignore additional parameter.
2494         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
2495         the value of ellipsis to objc_build_method_signature instead
2496         of setting TREE_OVERFLOW on the parms TREE_LIST node.
2497
2498 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
2499
2500         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
2501         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
2502         gen_rtx_* not gen_rtx_fmt_*.
2503         (rs6000_emit_vector_select): Likewise.
2504         (rs6000_emit_sync): New.
2505         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
2506         (larx, stcx, cmp): New mode substitutions.
2507         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
2508         UNSPEC_ISYNC): New constants.
2509         (rlwinm): Give name.
2510         (memory_barrier, isync, lwsync): New insns.
2511         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
2512         (sync_lock_release<mode>): New expander.
2513         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
2514         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
2515         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
2516         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
2517         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
2518         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
2519         (sync_add<mode>_internal, sync_addshort_internal,
2520         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
2521         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
2522         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
2523
2524         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
2525         is the memory before, not after, the operation.  Clarify
2526         barrier requirements.
2527
2528 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2529
2530         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
2531         * lambda.h (lambda_vector_min_nz): Likewise.
2532         * langhooks.h (struct lang_hooks_for_types,
2533         struct lang_hooks): Likewise.
2534         * output.h (assemble_integer, this_is_asm_operands): Likewise.
2535         * tree.h: Likewise.
2536         * vec.h: Likewise.
2537         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
2538         
2539         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
2540         comments to avoid 'abort'.  Use gcc_assert as necessary.
2541         * opts.c (common_handle_option): Likewise.
2542         * pretty-print.c (pp_base_format_text): Likewise.
2543         * print-rtl.c (print_rtx): Likewise.
2544         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
2545         * regmove.c (try_auto_increment): Likewise.
2546         * reload.c (find_valid_class, find_reloads_toplev,
2547         find_equiv_reg): Likewise.
2548         * reload1.c (reload, forget_old_reloads_1, function_invariant_p, 
2549         merge_assigned_reloads): Likewise.
2550         * tree-inline.c (inline_forbidden_p_1,
2551         estimate_num_insns_1): Likewise.
2552         * tree-optimize.c (execute_todo): Likewise.
2553         * tree-outof-ssa.c (eliminate_phi): Likewise.
2554         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
2555         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
2556         * tree-ssa-operands.c (parse_ssa_operands,
2557         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
2558         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
2559         * tree-ssanames.c (release_ssa_name): Likewise.
2560         * tree.c (int_bit_position, int_byte_position, tree_low_cst, 
2561         walk_tree): Likewise.
2562
2563         * tree-ssa-operands.c (verify_abort): Fold into ..
2564         (verify_imm_links): ... here.
2565
2566 2005-04-21  Richard Henderson  <rth@redhat.com>
2567
2568         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
2569         on non-memory operand for previous inversion.
2570
2571 2005-04-21  Devang Patel  <dpatel@apple.com>
2572
2573         PR optimization/20994
2574         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
2575         x = !(a == b) : p , q;.
2576         (pass_if_conversion): Verify stmts and flow.
2577         
2578 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2579
2580         * optabs.c (gen_conditional_trap): Restore #define.
2581
2582         * alias.c (true_dependence): Remove 'abort' from comments. Use
2583         gcc_assert and gcc_unreachable as appropriate.
2584         (canon_true_dependence): Likewise.
2585         * bb-reorder.c (connect_traces): Likewise.
2586         * c-common.c (c_add_case_label): Likewise.
2587         * c-decl.c (finish_function): Likewise.
2588         * caller-save.c (insert_restore, insert_save): Likewise.
2589         * cfg.c (update_bb_profile_for_threading): Likewise.
2590         * cfganal.c (flow_active_insn_p): Likewise.
2591         * cfgexpand.c (add_reg_br_prob_note): Likewise.
2592         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
2593         cfg_layout_merge_blocks): Likewise.
2594         * ifcvt.c (cond_exec_process_insns, merge_if_block,
2595         find_if_block): Likewise.
2596         * integrate.c (allocate_initial_values): Likewise.
2597         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
2598         swap_condition, unsigned_condition, signed_condition,
2599         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
2600         reg_or_subregno): Likewise.
2601         * lambda-code.c (lambda_compute_auxillary_space,
2602         lambda_transform_legal_p): Likewise.
2603         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
2604         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
2605         lhd_incomplete_type_error, lhd_expand_expr,
2606         lhd_types_compatible_p, lhd_tree_size): Likewise.
2607         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
2608         * local-alloc.c (update_equiv_regs): Likewise.
2609         * loop-unroll.c (peel_loop_completely
2610         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
2611         peel_loop_simple, unroll_loop_stupid,
2612         analyze_iv_to_split_insn): Likewise.
2613         * loop.c (gen_prefetch, find_and_verify_loops,
2614         basic_induction_var): Likewise.
2615         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
2616         * value-prof.c (tree_find_values_to_profile): Likewise.
2617         * varasm.c (named_section, default_assemble_integer,
2618         decode_addr_const): Likewise.
2619
2620 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
2621            Fariborz Jahanian <fjahanian@apple.com>
2622
2623         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
2624         portion of argument passed in fpr.
2625         * expr.c (emit_push_insn): Fix computation of 'offset' used to
2626         decide on partial argument save on stack.
2627
2628 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
2629
2630         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
2631         comment typos.
2632
2633 2005-04-21  Jan Hubicka  <jh@suse.cz>
2634
2635         * cgraphunit.c: Include tree-pass.h
2636         (cgraph_decide_recursive_inlining,
2637         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
2638         cgraph_decide_inlining): Dump goes to dump_file.
2639         (cgraph_optimize): Call ipa passes instead of inliner.
2640         (cgraph_gate_inlining, pass_ipa_inline): New.
2641         * tree-optimize.c (all_ipa_passes): New static variable.
2642         (register_one_dump_file): Dead with IPA passes.
2643         (register_dump_files): Likewise.
2644         (init_tree_optimization_passes): Initialize IPA passes.
2645         (execute_todo): Do cgraph dump when asked to, do not dump function body
2646         for IPA pass.
2647         * tree-pass.h (TODO_dump_cgraph): New macro.
2648         (ipa_passes): Declare.
2649         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
2650
2651 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2652
2653         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
2654         gcc_assert instead of abort.
2655         (classify_argument, examine_argument, construct_container,
2656         contains_128bit_aligned_vector_p, ix86_check_movabs,
2657         standard_80387_constant_opcode, standard_80387_constant_rtx,
2658         ix86_initial_elimination_offset, ix86_compute_frame_layout,
2659         pro_epilogue_adjust_stack, ix86_expand_epilogue,
2660         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
2661         legitimize_tls_address, output_pic_addr_const,
2662         i386_output_dwarf_dtprel, put_condition_code, print_reg,
2663         get_some_local_dynamic_name, print_operand, print_operand_address,
2664         output_387_binary_op, emit_i387_cw_initialization,
2665         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
2666         ix86_expand_clear, ix86_expand_binary_operator,
2667         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
2668         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
2669         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
2670         ix86_expand_branch, ix86_expand_setcc,
2671         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
2672         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
2673         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
2674         memory_address_length, ix86_attr_length_immediate_default,
2675         ix86_attr_length_address_default, ix86_agi_dependant,
2676         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
2677         ix86_expand_binop_builtin, ix86_force_to_memory,
2678         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
2679         x86_emit_floatuns): Likewise.
2680         * config/i386/netware.c (gen_regparm_prefix,
2681         i386_nlm_strip_name_encoding): Likewise.
2682         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
2683
2684 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2685
2686         * optabs.c (gen_condiational_trap): Remove #define.
2687         (add_equal_note): Assertify. Remove explicit indirection from
2688         call via function pointer.
2689         (expand_ternary_op, expand_simple_binop, expand_binop,
2690         expand_twoval_unop, expand_twoval_binop,
2691         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
2692         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
2693         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
2694         prepare_float_lib_cmp, emit_conditional_move,
2695         emit_conditional_add, gen_add2_insn, gen_add3_insn,
2696         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
2697         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
2698         vector_compare_rtx, expand_vec_cond_expr): Likewise.
2699
2700 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2701
2702         * vec.h: Update API to separate allocation mechanism from type.
2703         (VEC_safe_grow): New.
2704         * vec.c (calculate_allocation): New.
2705         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
2706         (vec_gc_free, vec_heap_free): Remove.
2707         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
2708         (VEC): Likewise.
2709         (mangle_macro_name): New.
2710         (struct macro_def): New.
2711         (struct macro): Add multiple argument values.
2712         (macro_expans_end): New.
2713         (push_macro_expansion):  Chain on new macro. Process multiple
2714         args, create follow on expansion. Return follow on argument.
2715         (macro_input): Deal with multiple arguments.
2716         
2717         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
2718         (struct tree_binfo): Adjust.
2719         * basic-block.h: Define VEC(edge,gc).
2720         (struct edge_def): Adjust.
2721         (struct basic_block_def, struct edge_iterator): Likewise.
2722         (ei_container, ei_start_1, ei_last_1): Likewise.
2723         * cfg.c (connect_src, connect_dest): Likewise.
2724         * cfgrtl.c (force_nonfallthru_and_redirect)
2725         * dbxout.c (dbxout_type)
2726         * dwarf2out.c (gen_member_die)
2727         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
2728         (gcc_tree_to_linear_expression): Adjust.
2729         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
2730         lbv_to_gcc_expression, lle_to_gcc_expression,
2731         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
2732         perfect_nestify): Likewise.
2733         * lambda.h (gcc_loopnest_to_lambda_loopnest,
2734         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
2735         * profile.c (instrument_values): Adjust.
2736         * tree-cfg.c (modified_noreturn_calls): Adjust.
2737         (remove_fallthru_edge): Likewise.
2738         * tree-dump.c (dequeue_and_dump): Adjust.
2739         * tree-flow-inline.h (mark_stmt_modified): Adjust.
2740         * tree-flow.h (modified_noreturn_calls): Adjust.
2741         (tree_on_heap): Remove. (yay!)
2742         (register_new_def): Adjust.
2743         * tree-into-ssa.c: Define VEC(int,heap).
2744         (block_defs_stack): Adjust.
2745         (find_idf, insert_phi_nodes, register_new_def,
2746         rewrite_initialize_block, rewrite_finalize_block,
2747         register_new_update_single, rewrite_update_init_block,
2748         rewrite_update_fini_block, rewrite_blocks,
2749         ssa_rewrite_finalize_block, ssa_register_new_def,
2750         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
2751         * tree-loop-linear.c (linear_transform_loops): Adjust.
2752         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
2753         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
2754         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
2755         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
2756         vrp_variables_stack): Adjust declarations.
2757         (tree_ssa_dominator_optimize): Adjust.
2758         (dom_opt_initialize_block, remove_local_expressions_from_table,
2759         restore_nonzero_vars_to_original_value,
2760         restore_vars_to_original_value,
2761         restore_currdefs_to_original_value, dom_opt_finalize_block,
2762         record_var_is_nonzero, record_cond, record_const_or_copy_1,
2763         optimize_stmt, update_rhs_and_lookup_avail_expr,
2764         lookup_avail_expr, record_range): Likewise.
2765         * tree-ssa-pre.c: Define VEC(basic_block,heap).
2766         (compute_antic_aux): Adjust.
2767         (inserted_exprs, create_expression_by_pieces, 
2768         insert_into_preds_of_block, eliminate, mark_operand_necessary, 
2769         remove_dead_inserted_code, fini_pre): Likewise.
2770         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
2771         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist. 
2772         ssa_prop_init): Likewise.
2773         * tree-ssa.c: Define VEC(bitmap,heap).
2774         (verify_name_tags): Adjust.
2775         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
2776         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
2777         tree_divmod_values_to_profile, tree_find_values_to_profile,
2778         value_profile_transformations): Likewise.
2779         * value-prof.h: Define VEC(histogram_value,heap).
2780         * varasm.c: Remove alias_pair pointer typedef, define
2781         VEC(alias_pair,gc).
2782         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
2783         
2784         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
2785         not a pointer to it.  Create an object vector.
2786         (extern_symbols): Turn into an object vector.
2787         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
2788
2789 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
2790
2791         PR/20742
2792         * Makefile.in (tree-chrec.o): Depend on params.h.
2793         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
2794         default value 20.
2795         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
2796         and fold build with fold_buildN.
2797         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
2798         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2799         (tree_contains_chrecs): Compute an estimation of the size of the
2800         given expression.
2801         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
2802         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
2803         * tree-scalar-evolution.c (simple_iv): Ditto.
2804         * doc/invoke.texi (scev-max-expr-size): Documented.
2805
2806 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
2807
2808         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
2809         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
2810         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
2811         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
2812         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
2813         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
2814         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
2815         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
2816         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
2817         (darwin_fix_and_continue_switch): Delete.
2818         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
2819         (SUBTARGET_SWITCHES): Delete.
2820         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
2821         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
2822         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
2823         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
2824         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
2825         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
2826         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
2827         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
2828         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
2829         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
2830         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
2831         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
2832         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
2833         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
2834         (TARGET_64BIT): Undef before redefining.
2835         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
2836         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
2837         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
2838         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
2839         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
2840         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
2841         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
2842         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
2843         (ix86_debug_arg_string, ix86_debug_addr_string)
2844         (ix86_align_loops_string, ix86_align_jumps_string)
2845         (ix86_align_funcs_string): Delete.
2846         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
2847         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
2848         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
2849         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
2850         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
2851         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
2852         (SUBTARGET_SWITCHES): Delete.
2853         * config/i386/i386.c (ix86_debug_arg_string): Delete.
2854         (ix86_debug_addr_string): Delete.
2855         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
2856         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
2857         (ix86_align_loops_string, ix86_align_jumps_string)
2858         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
2859         (ix86_align_funcs_string): Make static.
2860         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2861         (ix86_handle_option): New function.
2862         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
2863         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
2864         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
2865         of darwin_fix_and_continue_switch.
2866         (darwin_one_byte_bool): Delete.
2867         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
2868         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
2869         to darwin_one_byte_bool.
2870         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
2871         * config/i386/djgpp.opt, config/i386/i386.opt,
2872         * config/i386/sco5.opt: New files.
2873
2874 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2875
2876         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
2877         fp_zero_operand, fp_register_operand, intreg_operand,
2878         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
2879         call_operand, call_operand_address, tgd_symbolic_operand,
2880         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
2881         symbolic_operand, symbolic_memory_operand, label_ref_operand,
2882         sp64_medium_pic_operand, data_segment_operand,
2883         text_segment_operand, splittable_symbolic_memory_operand,
2884         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
2885         eq_or_neq, normal_comp_operator, noov_compare_op,
2886         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
2887         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
2888         const64_operand, const64_high_operand, arith11_operand,
2889         arith10_operand, arith_double_operand, arith_double_4096_operand,
2890         arith_double_add_operand, arith11_double_operand,
2891         arith10_double_operand, small_int, small_int_or_double,
2892         uns_small_int, uns_arith_operand, clobbered_register,
2893         input_operand, compare_operand): Delete.
2894         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
2895         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
2896         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
2897         (GEN_HIGHINT64, GEN_INT64): Delete.
2898         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
2899         gen_safe_XOR64): Adjust for above deletion.
2900         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
2901         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
2902         (legitimate_constant_p): Use const_zero_operand instead.
2903         (sparc_extra_constraint_check): Likewise.
2904         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
2905         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
2906         (PREDICATE_CODES): Delete.
2907         * config/sparc/sparc.md: Include predicates.md.
2908         (All patterns): Adjust for new predicate names.
2909         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
2910         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
2911         (movdi): Use general_operand predicate.
2912         (movdi_sp64_dbl): Delete.
2913         (movdi_const64_special): Add 'N' constraint.
2914         (movdicc): Use arith10_operand predicate.
2915         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
2916         (movdi_cc_reg_sp64): Use arith10_operand predicate.
2917         (movdi_cc_reg_sp64_trunc): Delete.
2918         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
2919         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
2920         (subdi3_sp32): Delete.
2921         (subdi3_insn_sp32): Change to define_insn_and_split.
2922         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
2923         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
2924         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
2925         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
2926         small_int_operand predicate.
2927         (divdi3, udivdi3): Use arith_operand predicate.
2928         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
2929         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
2930         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
2931         (xordi3_sp64_dbl): Delete.
2932         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
2933         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
2934         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
2935         cmp_ccx_set_not): Use arith_operand predicate.
2936         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
2937         * config/sparc/predicates.md: New file.
2938
2939 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
2940
2941         PR tree-optimization/14846
2942         * fold-const.c (fold_single_bit_test_into_sign_test): New,
2943         split out from ...
2944         (fold_single_bit_test): ... here.
2945         (fold_binary): Call fold_single_bit_test_into_sign_test
2946         instead of fold_single_bit_test.
2947
2948 2005-04-20  James E Wilson  <wilson@specifixinc.com>
2949
2950         PR c++/20805
2951         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
2952         is another declaration.
2953
2954 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
2955
2956         * config/cris/predicates.md: New file.
2957         * config/cris/cris-protos.h (cris_store_multiple_op_p)
2958         (cris_movem_load_rest_p): Declare.
2959         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
2960         (cris_movem_load_rest_p): Ditto.  Globalize.
2961         (cris_bdap_operand, cris_bdap_biap_operand,
2962         cris_orthogonal_operator, cris_commutative_orth_op,
2963         cris_operand_extend_operator,
2964         cris_additive_operand_extend_operator, cris_extend_operator,
2965         cris_plus_or_bound_operator, cris_mem_op,
2966         cris_general_operand_or_symbol,
2967         cris_general_operand_or_gotless_symbol,
2968         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
2969         cris_load_multiple_op): Remove predicate functions.
2970         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
2971         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
2972         * config/cris/cris.h (PREDICATE_CODES): Don't define.
2973         * config/cris/cris.md: Include predicates.md.
2974         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
2975
2976 2005-04-20  Ian Lance Taylor  <ian@airs.com>
2977
2978         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
2979         * c-common.h (STMT_EXPR_STMT): Don't define.
2980         (STMT_EXPR_NO_SCOPE): Don't define.
2981         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
2982         * c-pretty-print.c (pp_c_primary_expression): Likewise.
2983         (pp_c_expression): Likewise.
2984
2985 2005-04-20  Richard Henderson  <rth@redhat.com>
2986
2987         PR target/21100
2988         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
2989
2990 2005-04-20  Jeff Law  <law@redhat.com>
2991
2992         * reload1.c (reload): Ignore equivalences between pseudos and
2993         read only memory.
2994
2995 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
2996
2997         PR c/12913
2998         * c-tree.h (struct c_label_list): Update comment.
2999         (struct c_label_context): Rename to struct c_label_context_se.
3000         (label_context_stack): Rename to label_context_stack_se.
3001         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
3002         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
3003         c_end_vm_scope): New.
3004         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
3005         * c-decl.c (pop_scope): Call c_end_vm_scope.
3006         (pushdecl): Call c_begin_vm_scope for variably modified
3007         declarations.
3008         (define_label): Check for jumping into scope of identifier with
3009         variably modified type.  Push label on stack for those defined at
3010         current context of identifiers with variably modified type.
3011         (start_function): Create stack level for context of identifiers
3012         with variably modified type.
3013         (finish_function): Pop stack level for context of identifiers with
3014         variably modified type.
3015         * c-typeck.c (label_context_stack): Rename to
3016         label_context_stack_se.
3017         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
3018         (c_finish_goto_label): Check for jumping into scope of identifier
3019         with variably modified type.  Push label on stack for those jumped
3020         to from current context of identifiers with variably modified
3021         type.
3022         (struct c_switch): Add blocked_vm.
3023         (c_start_case): Initialize blocked_vm.
3024         (do_case): Check blocked_vm.
3025         (c_finish_case): Add comment.
3026         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
3027         variable label_context_stack.
3028
3029 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
3030
3031         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
3032         conditional_replacement, value_replacement, abs_replacement,
3033         minmax_replacement.
3034         (replace_phi_edge_with_variable): Remove argument BB.
3035         (conditional_replacement, value_replacement,
3036         minmax_replacement, abs_replacement): Remove argument PHI_BB.
3037         Update a call to replace_phi_edge_with_variable.
3038
3039         * tree-ssa-phiopt.c: Fix comments.
3040
3041 2005-04-20  Michael Matz  <matz@suse.de>
3042
3043         PR20973
3044         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
3045         pseudos.
3046
3047 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
3048
3049         * tree-ssa-phiopt.c: Fix comment typos.
3050
3051         PR tree-optimization/21116
3052         * tree-ssa-phiopt.c: Fix a typo.
3053
3054 2005-04-19  Richard Henderson  <rth@redhat.com>
3055
3056         * builtins.c (expand_builtin_sync_operation): Revert last change.
3057         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
3058         not vs new value.
3059         (expand_compare_and_swap_loop): Likewise.
3060         (expand_sync_operation): Remove fallback from NAND to AND; invert
3061         memory operand when expanding from cmpxchg.
3062         (expand_sync_fetch_operation): Likewise.
3063         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
3064         compare-and-swap.
3065
3066         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
3067         when implementing NAND.  Fix double-add for AFTER.
3068         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
3069         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
3070         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
3071         memory value.
3072         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
3073         memory barrier.
3074
3075         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
3076         to return old memory value.
3077         (sync_compare_and_swap_cc<IMODE>): Likewise.
3078
3079         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
3080         return pre-reload.  Don't consider output or anti dependencies.
3081         * config/ia64/sync.md (IMODE): New.
3082         (modesuffix): Add QI and HI.
3083         (memory_barrier): Simplify expansion.
3084         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
3085         (cmpxchg_acq_<IMODE>): Likewise.
3086         (sync_lock_test_and_set<IMODE>): Likewise.
3087         (sync_lock_release<IMODE>): Likewise.
3088
3089 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
3090
3091         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
3092         ~X or ~Y simplify.
3093
3094 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
3095
3096         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
3097
3098 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
3099             Joseph S. Myers  <joseph@codesourcery.com>
3100
3101         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
3102         * c-typeck.c (build_c_cast): Check these options.
3103         * doc/invoke.texi: Document these options.
3104
3105 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
3106
3107         * tree-ssa-phiopt.c: Update a comment about the pass.
3108
3109 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
3110
3111         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
3112         config/mcore/mcore.c: Fix comment typos.
3113
3114 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
3115
3116         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
3117         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
3118
3119 2005-04-19  Paul Brook  <paul@codesourcery.com>
3120
3121         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. 
3122
3123 2005-04-19  Andrew Haley  <aph@redhat.com>
3124
3125         PR java/21022
3126         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
3127         looking at a field's bitpos.
3128
3129 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3130
3131         * system.h (fopen, fdopen, freopen): Define these to the unlocked
3132         libiberty functions.
3133
3134 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
3135
3136         PR tree-optimization/21096
3137         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
3138
3139 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
3140
3141         PR target/21098
3142         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
3143         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
3144
3145 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
3146
3147         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
3148         refers to the function being dumped.
3149
3150 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
3151
3152         * varasm.c (assemble_start_function): Remove reset of in_section.
3153
3154 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
3155
3156         PR tree-optimization/21085
3157         * fold-const (fold_binary): Don't change X % -C to X % C if C has
3158         overflowed.
3159
3160 2005-04-19  Ben Elliston  <bje@au.ibm.com>
3161
3162         * doc/invoke.texi (Optimize Options): Refer to the correct
3163         optimisation flag -ftree-dominator-opts, not -ftree-dom.
3164
3165 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
3166
3167         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
3168         alloca argument to be big enough.
3169
3170 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
3171
3172         PR middle-end/21049
3173         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
3174         cfun->cfg are NULL.
3175
3176 2005-04-18  Tom Tromey  <tromey@redhat.com>
3177
3178         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
3179         typo.
3180
3181 2005-04-18  Richard Henderson  <rth@redhat.com>
3182
3183         * config/alpha/alpha.c (alpha_split_atomic_op): New.
3184         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
3185         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
3186         * config/alpha/alpha-protos.h: Update.
3187         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
3188         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
3189         (attr type): Add ld_l, st_c, mb.
3190         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
3191         iornotsi3, xorsi_internal, xornotsi3): New.
3192         * config/alpha/ev4.md (ev4_ld): Add ld_l.
3193         (ev4_ist_c, ev4_mb): New.
3194         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
3195         (ev5_ld_l): New.
3196         * config/alpha/ev6.md (ev6_ild): Add ld_l.
3197         (ev6_ist): Add st_c.
3198         (ev6_mb): New.
3199         * config/alpha/sync.md: New file.
3200
3201 2005-04-18  Richard Henderson  <rth@redhat.com>
3202
3203         * builtins.c (expand_builtin_sync_operation): Fold nand to and
3204         for constants.
3205
3206         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
3207
3208 2005-04-18  Devang Patel  <dpatel@apple.com>
3209
3210         * config/rs6000/atlivec.md (mulv4si3): New pattern.
3211         
3212 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
3213
3214         PR tree-optimization/20922
3215         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
3216         Fold X + c >= X and fold X - c <= X to true.
3217
3218 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
3219
3220         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
3221         unsigned int.
3222         (emergency_labeled_state_free): Likewise.
3223
3224 2005-04-18  Nick Clifton  <nickc@redhat.com>
3225
3226         * config/h8300/h8300.md (jump): Remove prescan parameter from
3227         calls to final_scan_insn.
3228
3229         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
3230         parameter from calls to final_scan_insn.
3231
3232         * config.gcc (m68hc12): Use the m68hc11.opt file for target
3233         specific options.
3234         (v850e, v850e1): Use the v850.opt file for target specific
3235         options.
3236
3237 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
3238
3239         PR tree-optimization/21001
3240         * tree-optimize.c (init_tree_optimization_passes): Move the
3241         first pass_forwprop immediately before pass_vrp.
3242
3243 2005-04-17  Ian Lance Taylor  <ian@airs.com>
3244
3245         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
3246         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
3247         from enum tree_code op to bool is_sizeof.
3248         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
3249         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
3250         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
3251         case.
3252         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
3253         cases.
3254         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
3255         ALIGNOF_EXPR cases.
3256
3257 2005-04-17  Ian Lance Taylor  <ian@airs.com>
3258
3259         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
3260
3261 2005-04-17  Richard Henderson  <rth@redhat.com>
3262
3263         * config/alpha/alpha.c (va_list_skip_additions): Only define if
3264         TARGET_ABI_OSF.
3265         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
3266         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
3267         of indirection through ssa names while looking for the gpr counter
3268         field.
3269         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
3270         saved va_list_gpr_size and va_list_fpr_size.
3271
3272 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
3273
3274         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
3275         both pointers or both integers.
3276
3277         * tree-vrp.c (maybe_add_assert_expr): Don't assert
3278         ASSERT_EXPRs for single-use variable.
3279
3280         * tree-into-ssa.c: Fix a comment typo.
3281
3282 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
3283
3284         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
3285         -mipsN before forcing a default of -mips2.
3286
3287 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
3288
3289         * predict.h (IS_TAKEN): Remove.
3290         * rtl.h (NOTE_PREDICTION): Likewise.
3291
3292         * modulo-sched.c (CFG_HOOKS): Remove.
3293
3294         * c-parser.c (N_C_TTYPES): Remove.
3295
3296         * tree-flow-inline.h (get_stmt_operands): Remove.
3297         * lambda-code.c, tree-ssa-loop-unswitch.c,
3298         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
3299         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
3300         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
3301         calls to get_stmt_operands.
3302         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
3303
3304 2005-04-17  Richard Henderson  <rth@redhat.com>
3305
3306         PR target/20375
3307         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
3308         of CUMULATIVE_ARGS past the last named argument.
3309         (alpha_va_start): Expect pretend_args_size only if strictly less than
3310         6 named arguments.
3311
3312 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
3313
3314         PR middle-end/21024
3315         * builtins.c (expand_builtin_strcat): Convert the result of
3316         strlen to the right type.
3317         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
3318         avoid creating type mismatches.
3319         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
3320         type mismatches.
3321
3322         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
3323
3324 2005-04-16  Richard Henderson  <rth@redhat.com>
3325
3326         PR target/21051
3327         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
3328         Use the mode of boolean_type_node when the user doesn't provide one.
3329         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
3330
3331 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
3332
3333         PR target/20126
3334         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
3335         (const)).
3336
3337         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
3338         comment.
3339
3340 2005-04-16  Roger Sayle  <roger@eyesopen.com>
3341             Steven Bosscher  <stevenb@suse.de>
3342
3343         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
3344         (fold_unary_to_constant): Likewise.
3345
3346 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
3347
3348         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
3349         PROP_ASM_SCAN.
3350
3351 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
3352
3353         * doc/install.texi (Specific): Avoid using asterisks in @anchor
3354         names related to target triplets.
3355         Remove i?86-*-esix from platform directory.
3356         Remove powerpc-*-eabiaix from platform directory.
3357
3358 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
3359
3360         PR middle-end/20491
3361         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
3362         falling through from SUBREG case to REG.
3363
3364 2005-04-15  Roger Sayle  <roger@eyesopen.com>
3365
3366         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
3367         (fold_binary): Update comment mentioning fold_relational_hi_lo.
3368         (fold_binary_to_constant): Simplify using fold_binary.
3369         (fold_unary_to_constant): Likewise, simplify using fold_unary.
3370
3371 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3372
3373         * gthr-posix.c (pthread_cancel): Define.
3374         (pthread_mutexattr_init): Likewise.
3375         (pthread_mutexattr_settype): Likewise.
3376         (pthread_mutexattr_destroy): Likewise.
3377
3378 2005-04-15  David S. Miller  <davem@davemloft.net>
3379
3380         PR target/20673
3381         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
3382
3383 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3384
3385         PR tree-optimization/21031
3386         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
3387         (forward_propagate_into_cond_1): Call it.  Forward propagate
3388         integer-integer casts into COND_EXPRs.
3389
3390 2005-04-15  Dave Korn  <dave.korn@artimi.com>
3391
3392         * gcc.c (default_compilers): Clarify obscure error message when
3393         reading from standard input.
3394
3395 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3396
3397         * basic-block.h (PROP_EQUAL_NOTES): Remove.
3398         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
3399
3400         * tree-ssa-alias.c (init_alias_info): Remove a call to
3401         get_stmt_operands.
3402
3403 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
3404
3405         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
3406         of non-virtual PHI nodes like we use to.
3407
3408 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
3409
3410         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
3411         (attr_copy_rtx): Do not use it.
3412
3413 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
3414
3415         * doc/tree-ssa.texi: Grammer/abbreviation updates.
3416
3417 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
3418
3419         * tree-vect-transform.c (vectorizable_store): Mark necessary
3420         objects in the vectorized store needing renaming.  Update the
3421         SSA graph for V_MAY_DEF operands in the original store.
3422
3423 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
3424
3425         * tree-ssa-pre.c (compute_avail): It's okay to have
3426         TREE_INVARIANT's here, and value number the resulting expressions.
3427         (create_expression_by_pieces): Make sure operands that were
3428         min_invariant when we started, stay that way.
3429
3430 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
3431
3432         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
3433
3434 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3435
3436         PR tree-optimization/20936.
3437         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
3438
3439 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3440
3441         * doc/invoke.texi: Fix typos.
3442         * doc/md.texi: Likewise.
3443         * doc/rtl.texi: Likewise.
3444         * doc/sourcebuild.texi: Likewise.
3445         * doc/tm.texi: Likewise.
3446
3447 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
3448
3449         PR tree-optimization/21004
3450         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
3451         and floorl in c99 mode only.
3452         * builtins.c (expand_builtin_int_roundingfn): Assert that
3453         fallback_fndecl is not NULL_TREE.
3454
3455 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3456
3457         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
3458         * basic-block.h: Update the prototype for
3459         purge_all_dead_edges.
3460         * cfgexpand.c (tree_expand_cfg): Update a call to
3461         purge_all_dead_edges.
3462         * combine.c (combine_instructions): Likewise.
3463         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
3464         rest_of_handle_cse2, rest_of_handle_gcse,
3465         rest_of_handle_postreload): likewise.
3466
3467 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
3468
3469         PR middle-end/20739
3470         * gimplify.c (gimplify_addr_expr): Compensate for removal of
3471         e.g. cv-qualification conversions.
3472
3473 2005-04-14  Mike Stump  <mrs@apple.com>
3474
3475         * config/darwin-c.c (framework_construct_pathname): We must
3476         find all headers of a framework in the first instance of it
3477         found in the seach path.
3478
3479 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
3480
3481         PR tree-optimization/21021
3482         * tree-vrp.c (compare_values): Work around a bug in the front
3483         end that produces a comparison of mismatched types.
3484
3485 2004-04-14  Richard Henderson  <rth@redhat.com>
3486
3487         * config/ia64/ia64.h (enum fetchop_code): Remove.
3488         (enum ia64_builtins): Move ...
3489         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
3490         members except BSP and FLUSHRS.
3491         (ia64_init_builtins): Remove __sync builtins.
3492         (ia64_expand_builtin): Likewise.
3493         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
3494         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
3495         (ia64_expand_lock_release): Remove.
3496         * config/ia64/ia64.md (mf): Move to sync.md.
3497         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
3498         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
3499         * config/ia64/sync.md: New file.
3500         (memory_barrier): Rename from mf.
3501         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
3502         (cmpxchg_acq_<I48MODE>): Likewise.
3503         (sync_lock_test_and_set<I48MODE>): Likewise.
3504
3505         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
3506         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
3507
3508 2004-04-14  Richard Henderson  <rth@redhat.com>
3509
3510         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
3511         (ix86_compare_emitted): New.
3512         (ix86_expand_compare): Use ix86_compare_emitted if set.
3513         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
3514         and ix86_compare_op0 are set.
3515         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
3516         (TARGET_CMPXCHG, TARGET_XADD): New.
3517         (ix86_compare_emitted): Declare.
3518         * config/i386/i386.md: Include sync.md
3519         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
3520         (UNSPECV_XCHG, UNSPECV_LOCK): New.
3521         * config/i386/sync.md: New file.
3522
3523 2004-04-14  Richard Henderson  <rth@redhat.com>
3524
3525         PR middle-end/14311
3526         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
3527         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
3528         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
3529         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
3530         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
3531         BT_FN_I8_VPTR_I8_I8): New.
3532         * builtins.def (DEF_SYNC_BUILTIN): New.
3533         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
3534         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
3535         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
3536         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
3537         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
3538         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
3539         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
3540         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
3541         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
3542         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
3543         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
3544         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
3545         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
3546         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
3547         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
3548         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
3549         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
3550         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
3551         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
3552         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
3553         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
3554         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
3555         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
3556         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
3557         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
3558         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
3559         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
3560         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
3561         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
3562         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
3563         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
3564         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
3565         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
3566         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
3567         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
3568         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
3569         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
3570         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
3571         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
3572         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
3573         BUILT_IN_SYNCHRONIZE: New.
3574         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
3575         as a function.  Accept __sync_ as a prefix as well.
3576         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3577         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
3578         expand_builtin_lock_release): New.
3579         (expand_builtin): Call them.
3580         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
3581         neither BOTH_P nor FALLBACK_P are defined.
3582         (builtin_type_for_size): New.
3583         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
3584         (resolve_overloaded_builtin): New.
3585         * c-common.h (resolve_overloaded_builtin): Declare.
3586         (builtin_type_for_size): Declare.
3587         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
3588         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
3589         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
3590         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
3591         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
3592         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
3593         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
3594         sync_compare_and_swap_cc, sync_lock_test_and_set,
3595         sync_lock_release): New.
3596         * optabs.h: Declare them.
3597         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
3598         expand_sync_operation, expand_sync_fetch_operation,
3599         expand_sync_lock_test_and_set): Declare.
3600         * genopinit.c (optabs): Add sync optabs.
3601         * optabs.c (init_optabs): Initialize sync optabs.
3602         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
3603         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
3604         expand_sync_operation, expand_sync_fetch_operation,
3605         expand_sync_lock_test_and_set): New.
3606         * doc/extend.texi (Atomic Builtins): New section
3607         * doc/md.texi (Standard Names): Add sync patterns.
3608
3609 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
3610
3611         * tree-eh.c (lower_try_finally_copy): Generate new code in
3612         response to goto_queue entries as if the queue was sorted by
3613         index, not pointers.
3614         (lower_try_finally_switch): Likewise.
3615
3616 2005-04-14  Richard Henderson  <rth@redhat.com>
3617
3618         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
3619         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
3620         register.
3621         (ix86_expand_fp_movcc): Update to match.
3622         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
3623         * config/i386/i386-protos.h: Update.
3624         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
3625         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
3626
3627 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
3628
3629         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
3630         refer to 4.0.
3631
3632 2005-04-14  Julian Brown  <julian@codesourcery.com>
3633
3634         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
3635         link failures on ppc64 Linux.
3636
3637 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3638
3639         * config.gcc: Set cpu_type for s390.
3640
3641 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
3642
3643         Fix PR tree-optimization/20963
3644         * tree-ssa-pre.c (compute_avail): Remove special case for
3645         TREE_INVARIANT.
3646         (create_expression_by_pieces): Add value numbers for forced out
3647         statements.
3648
3649 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
3650
3651         * config/cris/cris.md: Replace references to (reg:SI 16) with
3652         (reg:SI CRIS_SRP_REGNUM).
3653
3654 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
3655
3656         PR tree-optimization/20657
3657         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
3658         create an appropriate range from it.
3659
3660 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
3661
3662         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
3663         <UNSPEC_FIST_CEIL> case.
3664
3665         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
3666         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
3667         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
3668         to implement lfloor and llfloor built-ins as x87 intrinsic function.
3669         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
3670         (lfloor<mode>2): New expanders.
3671         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
3672         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
3673         to implement lceil and llceil built-ins as x87 intrinsic function.
3674         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
3675         (lceil<mode>2): New expanders.
3676
3677 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
3678
3679         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
3680         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
3681
3682 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
3683
3684         PR target/20927
3685         * config/s390/s390-modes.def: Define TFmode.
3686
3687 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
3688
3689         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
3690         (JUMP_TABLES_IN_TEXT_SECTION): Define.
3691         * config/mips/mips.c (mips16_insn_length): Remove reference to
3692         JUMP_TABLES_IN_TEXT_SECTION.
3693
3694 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
3695
3696         * simplify-rtx.c (simplify_binary_operation_1): Return
3697         scalar or vector of constant 0, depending on the xor's
3698         mode.
3699
3700 2005-04-13  Dale Johannesen  <dalej@apple.com>
3701
3702         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
3703         (objc-act.o):  Ditto.
3704         * objc/objc-act.c (objc_gimplify_expr):  New.
3705         (objc_get_callee_fndecl):  New.
3706         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
3707         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
3708         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
3709
3710 2005-04-13  Devang Patel  <dpatel@apple.com>
3711
3712         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
3713         temp variables.
3714
3715 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
3716
3717         CRIS prologue as RTL.
3718         * config/cris/cris-protos.h (cris_emit_movem_store)
3719         (cris_expand_prologue): Prototype.
3720         * config/cris/cris.c (struct machine_function): New member
3721         stdarg_regs.
3722         (cfa_label_num, cris_target_asm_function_prologue): Remove.
3723         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
3724         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
3725         (cris_load_multiple_op, cris_return_address_on_stack)
3726         (cris_return_address_on_stack_for_return): ISO-Cify.
3727         (cris_store_multiple_op): New predicate function.
3728         (cris_expand_prologue, cris_emit_movem_store): New functions.
3729         (cris_print_operand) <case 'O'>: Handle modifications other than
3730         post-increment.
3731         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
3732         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
3733         (cris_gen_movem_load): Rearrange slightly to make local variable
3734         src a parameter, removing osrc.
3735         (cris_setup_incoming_varargs): Set machine_function member
3736         stdarg_regs to correspond to the number of registers that need to
3737         be saved.
3738         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
3739         CRIS_UNSPEC_GOT.
3740         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
3741         cris_general_operand_or_gotless_symbol accept UNSPEC.
3742         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
3743         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
3744         ("*cris_store_multiple"): New pattern.  Tweak common comment above
3745         this and "*cris_load_multiple".
3746         ("prologue"): New define_expand.
3747
3748         * config/cris/cris.md ("epilogue"): Conditionalize on
3749         TARGET_PROLOGUE_EPILOGUE.
3750
3751 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
3752
3753         PR target/20924
3754         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
3755         fpsr 0 instead of fpsr 1.
3756         (divsf3_internal_thr): Ditto.
3757         (divdf3_internal_lat): Ditto.
3758         (divdf3_internal_thr): Ditto.
3759         (divxf3_internal_lat): Ditto.
3760         (divxf3_internal_thr): Ditto.
3761
3762 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
3763
3764         PR tree-optimization/20913
3765         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
3766
3767         PR tree-optimization/20702
3768         * tree-vrp.c (maybe_add_assert_expr): Recurse into
3769         dominator children that haven't been walked into.
3770
3771 2005-04-13  Julian Brown  <julian@codesourcery.com>
3772
3773         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
3774         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
3775         is true.
3776
3777 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
3778
3779         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
3780         config/i386/sse.md: Fix comment typos.
3781
3782         * genattrtab.c (NULL_ATTR): Remove.
3783         * ifcvt.c (NULL_EDGE): Likewise.
3784
3785         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
3786
3787         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
3788         NOTE_PREDICT): Remove.
3789
3790 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3791
3792         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
3793         * configure: Regenerate.
3794         * config.in: Likewise.
3795         * system.h: Declare vsnprintf if not already declared.
3796
3797 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3798
3799         * optc-gen.awk: Handle stand-alone Mask records.
3800         * opth-gen.awk: Likewise.
3801         * doc/options.texi (Option file format): Document them.
3802         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
3803         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
3804         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
3805         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
3806         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
3807         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
3808         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
3809         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
3810         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
3811         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
3812         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
3813         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
3814         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
3815         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
3816         TARGET_LONG_DOUBLE_128): Likewise.
3817         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
3818         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
3819         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
3820         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
3821         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
3822         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
3823         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
3824         * config/sparc/sparc.c (fpu_option_set): New global.
3825         (sparc_handle_option): New function.
3826         (sparc_override_options): Test fpu_option_set.
3827         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
3828         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
3829         * config/sparc/sparc.opt: New file.
3830         * config/sparc/little-endian.opt: Likewise.
3831         * config/sparc/long-double-switch.opt: Likewise.
3832
3833 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
3834
3835         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
3836         (bfin_handle_options): Set it if -mshared-library-id= is seen.
3837         * config/bfin/bfin.opt (mshared-library-id=): Lose
3838         Var(bfin_lib_id_given).
3839
3840 2005-04-13  Matt Thomas  <matt@3am-software.com>
3841
3842         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
3843         defining.
3844
3845 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
3846
3847         * rtl.h (CLEAR_RTX_FLAGS): Remove.
3848
3849         * cgraphunit.c (INSNS_PER_CALL): Remove.
3850
3851         * tree-ssa-forwprop.c (vars,
3852         record_single_argument_cond_exprs,
3853         substitute_single_use_vars): Remove.
3854         (forward_propagate_into_cond_1, forward_propagate_into_cond):
3855         New.
3856         (tree_ssa_forward_propagate_single_use_vars): Call
3857         forward_propagate_into_cond for each COND_EXPR.
3858
3859         * tree-inline.c (INSNS_PER_STMT): Remove.
3860
3861 2005-04-12  Richard Henderson  <rth@redhat.com>
3862
3863         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
3864         (ix86_expand_sse_fp_minmax): ... from ...
3865         (ix86_expand_fp_movcc): ... here.
3866         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
3867         * config/i386/i386-protos.h: Update.
3868         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
3869         (sse_setccsf, sse_setccdf): Allow before reload.
3870         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
3871         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
3872         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
3873         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
3874         (anddf3, nanddf3, iordf3, xordf3): New.
3875
3876 2005-04-12  Jeff Law  <law@redhat.com>
3877
3878         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
3879         (tree-ssa-uncprop.o): Add dependencies.
3880         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
3881         * tree-flow.h (remove_useless_stmts): Remove prototype.
3882         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3883         remove_useless_stmts.
3884         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
3885         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
3886         * tree-pass.h (pass_uncprop): Declare.
3887         * tree-ssa-uncprop.c: New file.
3888
3889 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
3890
3891         PR target/20670
3892         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
3893
3894 2005-04-12  Caroline Tice  <ctice@apple.com>
3895
3896         Temporary fix for partitioning problems.
3897         * passes.c (rest_of_handle_final): Remove code that
3898         frees unlikely_text_section_name,
3899         * varasm.c (assemble_start_function): Test for partitioning
3900         flag before writing out section labels.
3901         (assemble_end_function): Test for partitioning flag before
3902         writing out section labels.
3903
3904 2005-04-12  Steven Bosscher  <stevenb@suse.de>
3905             Stuart Hastings <stuart@apple.com>
3906             Jan Hubicka  <jh@suse.cz>
3907
3908         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
3909         references to gt-tree-cfg.h.
3910         * basic-block.h (struct basic_block_def): Don't skip rbi
3911         for garbage collection.
3912         (struct reorder_block_def): Make GTY-able.
3913         (struct control_flow_graph): New structure.
3914         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
3915         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
3916         but instead defines to the control_flow_graph for cfun.
3917         (label_to_block_map): New define, points to the label map of
3918         the control_flow_graph for cfun.
3919         (n_edges_for_function, n_basic_blocks_for_function,
3920         last_basic_block_for_function, basic_block_info_for_function,
3921         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
3922         basic_block_info_for_function, label_to_block_map_for_function):
3923         Counterparts for the above, taking a struct function as an extra
3924         argument.
3925         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
3926         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
3927         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
3928         (alloc_rbi_pool, free_rbi_pool): Remove.
3929         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
3930         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
3931         here...
3932         (cfg_layout_finalize) ... and don't free it here.
3933         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
3934         garbage collected.
3935         * flow.c (free_basic_block_vars): Set label_to_block_map and
3936         n_edges to zero too.
3937         * function.h (struct function): Add cfg field.
3938         * function.c (allocate_struct_function): Allocate the cfg.
3939         * tree-cfg.c (label_to_block_map): Remove.
3940         (build_tree_cfg): Don't allocate the rbi pool here...
3941         (delete_tree_cfg_annotations): ...and don't free it here.
3942         Also don't nullify label_to_block_map for cfun.
3943
3944 2005-04-12  Caroline Tice  <ctice@apple.com>
3945
3946         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
3947         Revert my patch from April 9.
3948         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
3949         (reorder_basic_blocks): Revert my patch from April 9.
3950         (insert_section_boundary_note): Revert my patch from April 9.
3951         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
3952         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
3953         (COLD_END_LABEL):  Revert my patch from April 9.
3954         (cold_text_section_label):  Revert my patch from April 9.
3955         (cold_end_label): Revert my patch from April 9.
3956         (dwarf2out_switch_text_section): Revert my patch from April 9.
3957         (output_aranges): Revert my patch from April 9.
3958         (output_ranges):  Revert my patch from April 9.
3959         (output_line_info): Revert my patch from April 9.
3960         (add_location_or_const_value_attribute):  Revert my patch from April 9.
3961         (dwarf2out_var_location): Revert my patch from April 9.
3962         (dwarf2out_init):  Revert my patch from April 9.
3963         (dwarf2out_finish): Revert my patch from April 9.
3964         * function.h (struct function): Revert my patch from April 9.
3965         * opts.c (decode_options): Revert my patch from April 9.
3966         * output.h (unlikely_section_label, hot_section_label,
3967         hot_section_end_label, cold_section_end_label,
3968         unlikely_text_section_name): Revert my patch from April 9.
3969         * passes.c (rest_of_handle_final): Revert my patch from April 9.
3970         * varasm.c (unlikely_section_label, hot_section_label,
3971         hot_section_end_label, cold_section_end_label,
3972         unlikely_text_section_name): Revert my patch from April 9.
3973         (initialize_cold_section_name): Revert my patch from April 9.
3974         (unlikely_text_section): Revert my patch from April 9.
3975         (in_unlikely_text_section): Revert my patch from April 9.
3976         (named_section): Revert my patch from April 9.
3977         (function_section): Revert my patch from April 9.
3978         (current_function_section): Revert my patch from April 9.
3979         (assemble_start_function): Revert my patch from April 9.
3980         (assemble_end_function): Revert my patch from April 9.
3981         (default_section_type_flags_1): Revert my patch from April 9.
3982
3983 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3984
3985         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
3986         * config/sparc/sparc.md (untyped_call): Save the registers manually.
3987
3988         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
3989
3990 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
3991
3992         PR middle-end/20917
3993         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
3994         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
3995
3996 2004-04-12  Richard Henderson  <rth@redhat.com>
3997
3998         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
3999         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
4000         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
4001         (UNSPEC_*, UNSPECV_*): Renumber.
4002
4003 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
4004
4005         PR mudflap/19266
4006         From Richard Henderson <rth@redhat.com>:
4007         * tree-mudflap.c (mf_build_check_statement_for): Correct block
4008         splitting logic.
4009
4010 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
4011
4012         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
4013
4014 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
4015
4016         * config/bfin/bfin.c (bfin_library_id_string): Remove.
4017         (bfin_library_id): New variable.
4018         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
4019         instead of bfin_library_id_string.
4020         (bfin_handle_option): New function.
4021         (override_options): Remove most code to deal with shared library IDs,
4022         just check they aren't used without -mid-shared-library.
4023         (TARGET_HANDLE_OPTION): Define.
4024         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
4025         * config/bfin/bfin.opt (mshared-library-id=): New.
4026
4027 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
4028
4029         * tree-vect-transform.c: Fix comment typos.
4030
4031 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
4032
4033         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
4034         split critical edges when not possible/profitable.
4035
4036 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
4037
4038         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
4039         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
4040         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
4041         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
4042         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
4043         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
4044         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
4045         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
4046         MASK_NO_BITFIELD.
4047         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
4048         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4049         * config/ns32k/ns32k.opt: New file.
4050
4051 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
4052
4053         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
4054         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
4055         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
4056         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
4057         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
4058         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
4059         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
4060         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
4061         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
4062         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
4063         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
4064         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
4065         (MASK_COLDFIRE): Formatting fixes.
4066         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
4067         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
4068         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
4069         "_current_shared_library_a5_offset_".
4070         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4071         (MASK_ALL_CPU_BITS): New macro.
4072         (m68k_handle_option): New function.
4073         (override_options): Remove handling of m68k_library_id_string.
4074         * config/m68k/m68k.opt: New file.
4075         * config/m68k/ieee.opt: New file.
4076
4077 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
4078
4079         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
4080         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
4081         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
4082         (TARGET_CXX): Adjust accordingly.
4083         * target.h (struct gcc_target): Remove epxort_class_data.  Add
4084         determine_class_data_visibility and class_data_always_comdat.
4085         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
4086         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
4087         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
4088         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
4089         (arm_cxx_determine_class_data_visibility): New.
4090         (arm_cxx_class_data_always_comdat): Likewise.
4091         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
4092         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
4093         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
4094         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
4095         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
4096         Define.
4097
4098 2005-04-11  Devang Patel  <dpatel@apple.com>
4099
4100         * tree-data-ref.c (build_classic_dist_vector,
4101         compute_subscript_distance): Make externally visible.
4102         * tree-data-ref.h (build_classic_dist_vector,
4103         compute_subscript_distance): Same.
4104         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
4105         Check distance vector against vectorization factor.
4106         (vect_analyze_loop): Determine vectorizaion factor before
4107         analyzing data dependences.
4108         * tree-vectorizer.c (loops_num): Make it externally visible and
4109         rename ...
4110         * tree-vectorizer.c (vect_loops_num): ... new name.
4111         * tree-vectorizer.h  (vect_loops_num): New.
4112
4113 2005-04-11  Devang Patel  <dpatel@apple.com>
4114
4115         * tree-vect-analyze.c (vect_analyze_operations): Check
4116         vectorizable codition.
4117         * tree-vect-transform.c (vect_is_simple_cond): New function.
4118         (vectorizable_condition): New function.
4119         (vect_transform_stmt): Handle condition_vec_info_type.
4120         * tree-vectorizer.h (enum stmt_vec_info_type): Add
4121         condition_vec_info_type.
4122         (vectorizable_condition): New.
4123
4124 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
4125
4126         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
4127         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
4128         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
4129
4130         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
4131         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
4132
4133         * dwarf2out.c (output_line_info): Don't try to dereference
4134         a NULL current_function_decl.
4135
4136         * config/t-slibgcc-darwin: Don't put shared libraries in
4137         directories other than $(slibdir).
4138         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
4139         OS uses for it.
4140
4141 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
4142
4143         PR tree-optimization/20933
4144         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
4145         logic to reject aliases between read-only and writable
4146         variables ...
4147         (may_alias_p): ... here.
4148         (get_tmt_for): Do not associate read-only tags to pointers
4149         whose pointed-to type is not read-only.
4150         * tree-ssa.c (verify_ssa): Check that memory stores have at
4151         least one V_MAY_DEF or V_MUST_DEF.
4152
4153 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4154
4155         PR/17092
4156         * configure.ac (gcc_UNLOCKED_FUNCS): New.
4157         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
4158         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
4159         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
4160         _unlocked function.
4161         (fwrite_unlocked): Fix prototype.
4162
4163         * configure, config.in: Regenerate.
4164
4165 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
4166
4167         * tree-ssa-loop-im.c: Include real.h.
4168         (determine_invariantness_stmt): If real division divisor is
4169         invariant and flag_unsafe_math_optimizations enabled, generate
4170         invariant reciprocal for hoisting.
4171         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
4172
4173 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
4174
4175         Fix PR tree-optimization/20926
4176
4177         * tree-ssa-alias.c (add_type_alias): Handle subvars.
4178
4179 2005-04-11  Devang Patel  <dpatel@apple.com>
4180
4181         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
4182         operand ordering.
4183
4184 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
4185
4186         * fold-const.c (fold_binary_op_with_conditional_arg):
4187         use fold_buildN instead of "fold (buildN" in some
4188         non obvious places.
4189         (fold_unary): Likewise.
4190         (fold_binary): Likewise.
4191
4192 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
4193
4194         Fix PR tree-optimization/20612
4195         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
4196         handling
4197         (perfect_nestify): preheaderbb is *not* part of loop of the
4198         old destination.
4199
4200 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
4201
4202         * tree-ssa-alias.c (may_alias_p): If the variable
4203         is a global variable and the pointer is parameter
4204         and -fargument-noalias-global is used, then
4205         the pointer cannot alias the variable.
4206
4207 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
4208
4209         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
4210         * config/sparc/sparc.h: Likewise.
4211         * config/sparc/sparc.md: Likewise.
4212
4213 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
4214
4215         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
4216
4217         * tree-vrp.c: Fix a comment typo.
4218
4219 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
4220
4221         PR tree-optimization/20920
4222         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
4223         SSA_NAME flows through an abnormal edge.
4224         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
4225         through abnormal edges.
4226         (maybe_add_assert_expr): Likewise.
4227
4228 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
4229
4230         * config/s390/s390.h (s390_tune_string, s390_arch_string)
4231         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
4232         (s390_stack_size_string, s390_stack_guard_string, target_flags)
4233         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
4234         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
4235         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
4236         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
4237         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
4238         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
4239         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
4240         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
4241         (TARGET_HANDLE_OPTION): Likewise.
4242         (s390_tune): Initialize to PROCESSOR_max.
4243         (s390_arch_string): Make static.
4244         (s390_tune_string, s390_warn_framesize_string): Delete.
4245         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
4246         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
4247         (s390_handle_arch_option, s390_handle_option): New functions.
4248         (override_options): Remove parsing of option strings.
4249         * config/s390/s390.opt: New file.
4250
4251 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
4252
4253         * tree-complex.c (expand_vector_operations): Call
4254         update_stmt_if_modified.
4255
4256 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
4257
4258         * tree-vect-analyze (vect_determine_vectorization_factor):
4259         Do not use GET_MODE_NUNITS.
4260         * tree-vect-transform.c (vect_get_vec_def_for_operand,
4261         (vectorizable_load, vect_transform_loop): Likewise.
4262
4263 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
4264
4265         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
4266         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
4267         * optabs.h (enum optab_index): Add new OTI_lceil.
4268         (lceil_optab): Define corresponding macro.
4269         * optabs.c (init_optabs): Initialize lceil_optab.
4270         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
4271         and lceildi2 patterns.
4272         * builtins.c (expand_builtin_int_roundingfn): Handle
4273         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
4274         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
4275         BUILT_IN_LLCEIL{,F,L}.
4276         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
4277         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
4278         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
4279         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
4280         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
4281         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
4282         into lceil built-in function and (long long int)ceil{,f,l} into
4283         llceil built-in function.
4284         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
4285         BUILT_IN_LLCEIL.
4286
4287 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4288
4289         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
4290         zero.
4291
4292 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
4293
4294         * config/arm/arm.c: Fix a comment typo.
4295         * doc/tree-ssa.texi: Fix a typo.
4296
4297 2005-04-10  Steven Bosscher  <stevenb@suse.de>
4298
4299         * cselib.c (clear_table): Rename to cselib_clear_table.
4300         * cselib.h (cselib_clear_table): Add prototype.
4301         * gcse.c (gcse_main): Make 'f' argument unused.
4302         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
4303         of each basic block instead.
4304         (compute_sets, compute_hash_table_work): Likewise.
4305         (constprop_register): Change int 'alter_jumps' argument to bool.
4306         (do_local_cprop): Likewise.
4307         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
4308         the insn chain.  Explicitly clear the cselib tables after finishing
4309         one basic block.  Make sure there are no unterminated libcall blocks.
4310         Update compute_sets call.
4311         (cprop): Walk basic blocks instead of the insn chain.
4312         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
4313         Likewise.
4314         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
4315         one_cprop_pass calls.
4316
4317 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
4318
4319         * combine.c (combine_simplify_rtx): Remove a transformation that
4320         relies on an invalid assumption about rtl sign-extension semantics.
4321
4322 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
4323
4324         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
4325         to build_int_cst_wide.
4326
4327 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
4328
4329         PR target/20126
4330         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
4331         set the original address pseudo to the correct value before the
4332         original insn, if possible, and leave the insn alone, otherwise
4333         create a new pseudo, set it and replace it in the insn.
4334         * recog.c (validate_change_maybe_volatile): New.
4335         * recog.h (validate_change_maybe_volatile): Declare.
4336
4337 2005-04-09  Caroline Tice  <ctice@apple.com>
4338
4339         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
4340         Remove targetm.have_named_sections test.
4341         (fix_edges_for_rarely_executed_code): Likewise.
4342         (insert_section_boundary_note): Likewise.
4343         (reorder_basic_blocks): Check partitioning flag before calling
4344         verify_hot_cold_block_grouping.
4345         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
4346         the function struct rather than global variables.
4347         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
4348         (COLD_END_LABEL): Likewise
4349         (cold_text_section_label): New static global variable.
4350         (cold_end_label): Likewise.
4351         (dwarf2out_switch_text_section): Get hot/cold section labels from
4352         the function struct rather than global variables.
4353         (output_aranges): Use cold_text_section_label and cold_end_label;
4354         check partitioning flag before putting out delta.
4355         (output_ranges): Remove incorrect code attempting to use
4356         hot/cold labels.
4357         (output_line_info): Get cold section label from function struct.
4358         (add_location_or_const_value_attribute): Likewise.
4359         (get_subprogram_die): Get hot/cold section labels from function struct.
4360         (dwarf2out_var_location): Likewise.
4361         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
4362         write out cold_text_section_label if partition flag is set.
4363         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
4364         * function.h (struct function): Add new fields to point to hot/cold
4365         section labels: hot_section_label, cold_section_label,
4366         hot_section_end_label and cold_section_end_label; also add new field
4367         for cold text section name, unlikely_text_section_name.
4368         * opts.c (decode_options): Turn off partitioning flag if
4369         !targetm.have_named_sections.
4370         * output.h (hot_section_label): Remove.
4371         (hot_section_end_label): Remove.
4372         (cold_section_end_label): Remove.
4373         (unlikely_section_label): Remove.
4374         (unlikely_text_section_name): Remove.
4375         * passes.c (rest_of_handle_final):  Remove code that frees
4376         unlikely_text_section_name.
4377         * varasm.c (unlikely_section_label): Remove.
4378         (hot_section_label): Remove.
4379         (hot_section_end_label): Remove.
4380         (cold_section_end_label): Remove.
4381         (unlikely_text_section_name):  Remove.
4382         (initialize_cold_section_name): Modify to call
4383         targetm.strip_name_encoding; to store cold section name in current
4384         function struct, if it exists; and to only use the decl_section_name
4385         if flag_named_sections is true.
4386         (unlikely_text_section): Modify to get section name out of current
4387         function struct, if there is one; otherwise build it from
4388         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
4389         (in_unlikely_text_section): Likewise.
4390         (named_section): Modify to get/put cold section name in current function
4391         struct, if there is one.
4392         (function_section):  Change 'bool unlikely' to 'int reloc'; check
4393         targetm.have_named_sections before calling named_section.
4394         (current_function_section): Likewise.
4395         (assemble_start_function): Modify to get/put unlikely_text_section_name
4396         in current function struct; modify to get hot/cold section labels
4397         from function struct; initialize labels using
4398         ASM_GENERATE_INTERNAL_LABEL;
4399         test partitioning flag before writing out hot section label.
4400         (assemble_end_function): Test partitioning flag before writing out
4401         hot/cold section labels.
4402         (default_section_type_flags_1):  Modify to use array instead of
4403          char* for unlikely_text_section_name; set flags correctly for
4404          cold text section if there is not a current function decl.
4405
4406 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
4407
4408         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
4409         and TI_VA_LIST_FPR_COUNTER_FIELD.
4410         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
4411         * tree-pass.h (pass_stdarg): Add.
4412         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
4413         * tree-stdarg.c: New file.
4414         * tree-stdarg.h: New file.
4415         * Makefile.in (OBJS-common): Add tree-stdarg.o.
4416         (tree-stdarg.o): Add dependencies.
4417         * function.h (struct function): Add va_list_gpr_size and
4418         va_list_fpr_size fields.
4419         * function.c (allocate_struct_function): Initialize them.
4420         * target.h (struct gcc_target): Add stdarg_optimize_hook.
4421         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
4422         (TARGET_INITIALIZER): Add it.
4423
4424         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
4425         va_list_{g,f}pr_counter_field.
4426         (ix86_setup_incoming_varargs): Don't do anything if reg_save
4427         area will not be used.  Only save registers that tree-stdarg.c
4428         detected they need saving.
4429         (ix86_va_start): Don't set up fields that won't be used.
4430
4431         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
4432         va_list_{g,f}pr_counter_field.
4433         (setup_incoming_varargs): Don't do anything if reg_save
4434         area will not be used.  Only save registers that tree-stdarg.c
4435         detected they need saving.
4436         (rs6000_va_start): Don't set up fields that won't be used.
4437
4438         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
4439         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
4440         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
4441         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
4442
4443 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
4444
4445         PR target/20795
4446         * config/i386/i386.c (construct_container): Pass empty aligned
4447         struct, union or class in memory.
4448
4449 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
4450
4451         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
4452         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
4453         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
4454         config/rs6000/predicates.md: Fix comment typos.
4455
4456         * sched-int.h (haifa_insn_data): Remove blockage and units.
4457         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
4458         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
4459         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
4460
4461 2005-04-09  Jan Hubicka  <jh@suse.cz>
4462             Steven Bosscher  <stevenb@suse.de>
4463
4464         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
4465         * cfgloop.c (get_loop_exit_edges): Likewise.
4466         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
4467         (unloop): Likewise.
4468         * loop-unroll.c (analyze_insns_in_loop): Likewise.
4469         * tree-cfg.c (dump_cfg_status): Likewise.
4470
4471 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
4472
4473         * config/rs6000/predicates.md (altivec_register_operand): Remove
4474         redundant match_code test.
4475         (gpc_reg_operand): Same.
4476         (cc_reg_operand): Same.
4477         (cc_reg_not_cr0_operand): Same.
4478
4479 2005-04-09  Jan Hubicka  <jh@suse.cz>
4480
4481         Forgotten hunk from my last merge patch:
4482         * final.c (output_addr_const): Do not call mark_referenced.
4483
4484 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
4485
4486         * doc/tree-ssa.texi: Add immediate use documentation.
4487
4488 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
4489
4490         * arm.c (FL_WBUF): Define.
4491         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
4492         (arm_is_6_or_7): Delete.
4493         (arm_tune_wbuf): New.
4494         (arm_override_options): Set arm_tune_wbuf.
4495         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
4496         (arm_is_6_or_7): Delete declaration.
4497         (arm_tune_wbuf): New declartion.
4498         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
4499         (model_wbuf): Derive from arm_tune_wbuf.
4500         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
4501         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
4502         (arm740t): Mark CPUs as having a write buffer.
4503
4504 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
4505
4506         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
4507         of 'const_double_operand' in operand 2 constraints.  Update enable
4508         condition.
4509
4510 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
4511
4512         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
4513         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
4514         * optabs.h (enum optab_index): Add new OTI_lfloor.
4515         (lfloor_optab): Define corresponding macro.
4516         * optabs.c (init_optabs): Initialize lfloor_optab.
4517         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
4518         and lfloordi2 patterns.
4519         * builtins.c (expand_builtin_int_roundingfn): New prototype.
4520         (expand_builtin_int_roundingfn): New function.
4521         (fold_builtin_int_roundingfn): New prototype.
4522         (fold_builtin_int_roundingfn): New function, renamed from
4523         fold_builtin_lround.
4524         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
4525         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
4526         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
4527         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
4528         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
4529         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
4530         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
4531         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
4532         into lfloor built-in function and (long long int)floor{,f,l} into
4533         llfloor built-in function.
4534         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
4535         BUILT_IN_LLFLOOR.
4536
4537 2005-04-08  Ian Lance Taylor  <ian@airs.com>
4538
4539         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
4540         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
4541         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
4542         (DO_COND, DO_BODY): Likewise.
4543         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
4544         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
4545         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
4546         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
4547         (build_continue_stmt, build_break_stmt): Don't declare.
4548         (c_do_switch_warnings): Update declaration.
4549         * c-gimplify.c (enum bc_t): Remove.
4550         (struct c_gimplify_ctx, ctxp): Remove.
4551         (push_context, pop_context): Remove static functions.
4552         (c_genericize): Don't call push_context or pop_context.
4553         (begin_bc_block, finish_bc_block): Remove static functions.
4554         (build_bc_goto): Likewise.
4555         (gimplify_c_loop): Likewise.
4556         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
4557         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
4558         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
4559         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
4560         * c-common.c (c_do_switch_warnings): Rename from
4561         c_do_switch_warnings_1.
4562         (c_do_switch_warnings) [old version]: Remove.
4563         (c_do_switch_expr_warnings): Remove.
4564         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
4565         function instead of c_do_switch_expr_warnings.
4566         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
4567         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
4568         * c-pretty-print.c (pp_c_statement): Likewise.
4569         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
4570
4571 2005-04-08  Devang Patel  <dpatel@apple.com>
4572
4573         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
4574         While selecting replacement condition pay attention to loop header.
4575
4576 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
4577
4578         Merge from tree-cleanup-branch: VRP, store CCP, store
4579             copy-prop, incremental SSA updating of FUD chains and
4580             newly exposed symbols.
4581
4582         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
4583         (OBJS-common): Add tree-vrp.o.
4584         (tree-vrp.o): New rule.
4585         * basic-block.h (nearest_common_dominator_for_set): Declare.
4586         * common.opt (ftree-store-ccp): New flag.
4587         (ftree-copy-prop): New flag.
4588         (ftree-vrp): New flag.
4589         (ftree-store-copy-prop): New flag.
4590         * dominance.c (nearest_common_dominator_for_set): New.
4591         * domwalk.c (walk_dominator_tree): Only traverse
4592         statements in blocks marked in walk_data->interesting_blocks.
4593         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
4594         * fold-const.c (fold): Handle ASSERT_EXPR.
4595         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
4596         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
4597         flag_tree_vrp at -O2.
4598         * timevar.def (TV_TREE_VRP): Define.
4599         (TV_TREE_COPY_PROP): Define.
4600         (TV_TREE_STORE_COPY_PROP): Define.
4601         (TV_TREE_SSA_INCREMENTAL): Define.
4602         (TV_TREE_STORE_CCP): Define.
4603         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
4604         to kill_redundant_phi_nodes from comment.
4605         (verify_expr): Handle ASSERT_EXPR.
4606         * tree-dfa.c (mark_new_vars_to_rename): Remove second
4607         argument.  Update all users.
4608         (mark_call_clobbered_vars_to_rename): Remove.  Update all
4609         users.
4610         * tree-flow-inline.h (unmodifiable_var_p): New.
4611         * tree-flow.h (enum value_range_type): Declare.
4612         (struct value_range_def): Declare.
4613         (value_range): Declare.
4614         (remove_all_phi_nodes_for): Remove.  Update all users.
4615         (find_phi_node_for): Declare.
4616         (add_type_alias): Declare.
4617         (count_uses_and_derefs): Declare.
4618         (kill_redundant_phi_nodes): Remove.
4619         (rewrite_into_ssa): Remove.
4620         (rewrite_def_def_chains): Remove.
4621         (update_ssa, register_new_name_mapping, create_new_def_for,
4622         need_ssa_update_p, name_registered_for_update_p,
4623         release_ssa_name_after_update_ssa, dump_repl_tbl,
4624         debug_repl_tbl, dump_names_replaced_by,
4625         debug_names_replaced_by, mark_sym_for_renaming,
4626         mark_set_for_renaming, get_current_def, set_current_def,
4627         get_value_range, dump_value_range, debug_value_range,
4628         dump_all_value_ranges, debug_all_value_ranges,
4629         expr_computes_nonzero, loop_depth_of_name,
4630         unmodifiable_var_p): Declare.
4631         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
4632         ASSERT_EXPR.
4633         * tree-into-ssa.c (block_defs_stack): Update comment.
4634         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
4635         syms_to_rename, names_to_release, repl_tbl,
4636         need_to_initialize_update_ssa_p, need_to_update_vops_p,
4637         need_to_replace_names_p): New locals.
4638         (NAME_SETS_GROWTH_FACTOR): Define.
4639         (struct repl_map_d): Declare.
4640         (struct mark_def_sites_global_data): Add field
4641         interesting_blocks.
4642         (enum rewrite_mode): Declare.
4643         (REGISTER_DEFS_IN_THIS_STMT): Define.
4644         (compute_global_livein): Use last_basic_block instead of
4645         n_basic_blocks.
4646         (set_def_block): Remove last argument.  Update all callers.
4647         (prepare_use_operand_for_rename): Remove.  Update all callers.
4648         (prepare_def_operand_for_rename): Remove.  Update all callers.
4649         (symbol_marked_for_renaming): New.
4650         (is_old_name): New.
4651         (is_new_name): New.
4652         (repl_map_hash): New.
4653         (repl_map_eq): New.
4654         (repl_map_free): New.
4655         (names_replaced_by): New.
4656         (add_to_repl_tbl): New.
4657         (add_new_name_mapping): New.
4658         (mark_def_sites): Assume that all the operands in the
4659         statement are in normal form.
4660         (find_idf): Assert that the block in the stack is valid.
4661         (get_default_def_for): New.
4662         (insert_phi_nodes_for): Add new argument 'update_p'.
4663         Add documentation.
4664         If update_p is true, add a new mapping between the LHS of
4665         each new PHI and the name that it replaces.
4666         (insert_phi_nodes_1): Only call find_idf if needed.
4667         (get_reaching_def): Call get_default_def_for.
4668         (rewrite_operand): Remove.
4669         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
4670         and REWRITE_THIS_STMT are false.
4671         Assume that all the operands in the statement are in
4672         normal form.
4673         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
4674         (rewrite_virtual_phi_arguments): Remove.
4675         (invalidate_name_tags): Remove.
4676         (register_new_update_single, register_new_update_set,
4677         rewrite_update_init_block, replace_use,
4678         rewrite_update_fini_block, rewrite_update_stmt,
4679         rewrite_update_phi_arguments): New.
4680         rewrite_blocks): Remove argument 'fix_virtual_phis'.
4681         Add arguments 'entry', 'what' and 'blocks'.
4682         Initialize the dominator walker according to 'what' and
4683         'blocks'.
4684         Start the dominator walk at 'entry'.
4685         (mark_def_site_blocks): Add argument 'interesting_blocks'.
4686         Use it to configure the dominator walker.
4687         (rewrite_into_ssa): Remove argument 'all'.
4688         Make internal.
4689         (rewrite_all_into_ssa): Remove.
4690         (rewrite_def_def_chains): Remove.
4691         (mark_def_interesting, mark_use_interesting,
4692         prepare_phi_args_for_update, prepare_block_for_update,
4693         prepare_def_site_for, prepare_def_sites,
4694         dump_names_replaced_by, debug_names_replaced_by,
4695         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
4696         delete_update_ssa, create_new_def_for,
4697         register_new_name_mapping, mark_sym_for_renaming,
4698         mark_set_for_renaming, need_ssa_update_p,
4699         name_registered_for_update_p, ssa_names_to_replace,
4700         release_ssa_name_after_update_ssa,
4701         insert_updated_phi_nodes_for, update_ssa): New.
4702         * tree-loop-linear.c (linear_transform_loops): Call
4703         update_ssa instead of rewrite_into_ssa.
4704         * tree-optimize.c (vars_to_rename): Remove.
4705         Update all users.
4706         (init_tree_optimization_passes): Replace
4707         pass_redundant_phi with pass_copy_prop.
4708         Add pass_vrp.
4709         Replace pass_ccp with pass_store_ccp.
4710         Add pass_store_copy_prop after pass_store_ccp.
4711         (execute_todo): If the TODO_ flags don't include updating
4712         the SSA form, assert that it does not need to be updated.
4713         Call update_ssa instead of rewrite_into_ssa and
4714         rewrite_def_def_chains.
4715         If TODO_verify_loops is set, call verify_loop_closed_ssa.
4716         (tree_rest_of_compilation):
4717         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
4718         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
4719         TODO_cleanup_cfg): Renumber.
4720         (TODO_verify_loops, TODO_update_ssa,
4721         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
4722         TODO_update_ssa_only_virtuals): Define.
4723         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
4724         Declare.
4725         * tree-phinodes.c (make_phi_node): Update documentation.
4726         (remove_all_phi_nodes_for): Remove.
4727         (find_phi_node_for): New.
4728         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
4729         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
4730         (interpret_rhs_modify_expr): Likewise.
4731         * tree-sra.c (decide_instantiations): Mark all symbols in
4732         SRA_CANDIDATES for renaming.
4733         (mark_all_v_defs_1): Rename from mark_all_v_defs.
4734         (mark_all_v_defs): New function.  Update all users to call it
4735         with the whole list of scalarized statements, not just the
4736         first one.
4737         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
4738         (compute_flow_insensitive_aliasing): If the tag is
4739         unmodifiable and the variable isn't or vice-versa, don't
4740         make them alias of each other.
4741         (setup_pointers_and_addressables): If the type tag for
4742         VAR is about to change, mark the old one for renaming.
4743         (add_type_alias): New.
4744         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
4745         (ccp_lattice_t): Rename from latticevalue.
4746         (value): Remove.  Update all users.
4747         (const_val): New local variable.
4748         (do_store_ccp): New local variable.
4749         (dump_lattice_value): Handle UNINITIALIZED.
4750         (debug_lattice_value): New.
4751         (get_default_value): Re-write.
4752         (set_lattice_value): Re-write.
4753         (def_to_varying): Remove.  Update all users.
4754         (likely_value): Return VARYING for statements that make
4755         stores when STORE_CCP is false.
4756         Return VARYING for any statement other than MODIFY_EXPR,
4757         COND_EXPR and SWITCH_EXPR.
4758         (ccp_initialize): Re-write.
4759         (replace_uses_in, replace_vuse_in, substitute_and_fold):
4760         Move to tree-ssa-propagate.c.
4761         (ccp_lattice_meet): Handle memory stores when
4762         DO_STORE_CCP is true.
4763         (ccp_visit_phi_node): Likewise.
4764         (ccp_fold): Likewise.
4765         (evaluate_stmt): Likewise.
4766         (visit_assignment): Likewise.
4767         (ccp_visit_stmt): Likewise.
4768         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
4769         into DO_STORE_CCP.
4770         (do_ssa_ccp): New.
4771         (pass_ccp): Use it.
4772         (do_ssa_store_ccp): New.
4773         (gate_store_ccp): New.
4774         (pass_store_ccp): Declare.
4775         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
4776         (may_propagate_copy): Reformat.
4777         Don't abort if ORIG is a virtual and DEST isn't.
4778         If NEW does not have alias information but DEST does,
4779         copy it.
4780         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
4781         copy_prop_kind, which_copy_prop): Declare.
4782         (stmt_may_generate_copy, get_copy_of_val,
4783         get_last_copy_of, set_copy_of_val, dump_copy_of,
4784         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
4785         copy_prop_visit_stmt, copy_prop_visit_phi_node,
4786         init_copy_prop, fini_copy_prop, execute_copy_prop,
4787         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
4788         store_copy_prop): New.
4789         (pass_copy_prop, pass_store_copy_prop): Declare.
4790         * tree-ssa-dom.c (struct opt_stats_d): Add fields
4791         'num_const_prop' and 'num_copy_prop'.
4792         (cprop_operand): Update them.
4793         (dump_dominator_optimization_stats): Dump them.
4794         (tree_ssa_dominator_optimize): Call update_ssa instead of
4795         rewrite_into_ssa.
4796         (loop_depth_of_name): Declare extern.
4797         (simplify_cond_and_lookup_avail_expr): Guard against NULL
4798         values for LOW or HIGH.
4799         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
4800         (record_equivalences_from_stmt): Call expr_computes_nonzero.
4801         (cprop_operand): Only propagate if VAL != OP.
4802         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
4803         statement for renaming.
4804         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
4805         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
4806         add_type_alias if necessary.
4807         Call mark_new_vars_to_rename.
4808         (tree_ssa_iv_optimize): If new symbols need to be renamed,
4809         mark every statement updated, call update_ssa and
4810         rewrite_into_loop_closed_ssa.
4811         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
4812         from LIVEIN if VAR is a virtual.
4813         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
4814         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
4815         (get_call_expr_operands): Reformat statement.
4816         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
4817         symbols.
4818         * tree-ssa-propagate.c (ssa_prop_init): Initialize
4819         SSA_NAME_VALUE for every name.
4820         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
4821         get_value_loaded_by): New.
4822         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
4823         substitute_and_fold): Move from tree-ssa-ccp.c.
4824         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
4825         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
4826         get_value_loaded_by, replace_uses_in, substitute_and_fold):
4827         Declare.
4828         * tree-ssa.c (verify_use): Fix error message.
4829         (propagate_into_addr, replace_immediate_uses, get_eq_name,
4830         check_phi_redundancy, kill_redundant_phi_nodes,
4831         pass_redundant_phi): Remove.  Update all users.
4832         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4833         add_type_alias, if necessary.
4834         * tree-vectorizer.h (struct _stmt_vect_info): Update
4835         documentation for field 'memtag'.
4836         * tree-vrp.c: New file.
4837         * tree.def (ASSERT_EXPR): Define.
4838         * tree.h (ASSERT_EXPR_VAR): Define.
4839         (ASSERT_EXPR_COND): Define.
4840         (SSA_NAME_VALUE_RANGE): Define.
4841         (struct tree_ssa_name): Add field 'value_range'.
4842         (PHI_REWRITTEN): Remove.
4843         (struct tree_phi_node): Remove field 'rewritten'.
4844         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
4845         -ftree-store-copy-prop): Document.
4846         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
4847         Document usage of update_ssa.
4848
4849 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
4850
4851         PR target/20814
4852         * config/rs6000/predicates.md (altivec_register_operand): Accept
4853         SUBREG.
4854         (and64_operand): Do not limit CONST_INT to mask64_operand.
4855         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
4856         (and_operand): Do not limit CONST_INT to mask_operand.
4857
4858 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
4859
4860         PR rtl-optimization/20466
4861         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
4862         for overlap of the address of each list member.
4863         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
4864
4865 2005-04-08  Mike Stump  <mrs@apple.com>
4866
4867         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
4868
4869         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
4870         instead of 4.
4871
4872 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
4873
4874         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
4875
4876         * function.c (push_function_context_to): Don't set
4877         contains_functions.
4878         * function.h (function): Remove contains_functions.
4879         (current_function_contains_functions): Remove.
4880
4881         * function.h (function): Remove instrument_entry_exit.
4882         (current_function_instrument_entry_exit): Remove.
4883
4884         * function.h (nonlocal_labels): Remove.
4885
4886         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
4887
4888         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
4889         (check_attr_value, write_attr_get, write_expr_attr_cache,
4890         find_attr, make_internal_attr): Don't reference negative_ok or
4891         unsigned_p.
4892         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
4893         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
4894         (ATTR_STATIC): Adjust the value.
4895
4896         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
4897
4898 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
4899
4900         * config/s390/tpf.h (ASM_SPEC): Define.
4901
4902 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
4903
4904         * tree-flow.h: Remove the prototype for
4905         redirect_immediate_uses.
4906         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
4907
4908 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
4909
4910         * arm.c (arm_const_double_by_parts): New function.
4911         * arm-protos.h (arm_const_double_by_parts): Add prototype.
4912         * arm.md (define_split for 64-bit constants): Add another one.
4913
4914 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
4915
4916         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
4917
4918 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4919
4920         * system.h: Revert last change.
4921
4922 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
4923
4924         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
4925         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
4926         (TARGET_SWITCHES): Delete.
4927         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
4928         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
4929         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
4930         * config/xtensa/xtensa.opt: New file.
4931
4932 2005-04-08  Ben Elliston  <bje@au.ibm.com>
4933
4934         * config/fp-bit.c: Include L_mul_tf in #endif comment.
4935         * config/fp-bit.h: Tidy comments.
4936
4937 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4938
4939         * system.h: Poison PARAMS.
4940
4941 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
4942
4943         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
4944         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
4945         (TARGET_SWITCHES): Delete.
4946         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
4947         * config/vax/vax.opt: New file.
4948
4949 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
4950
4951         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
4952
4953 2005-04-07  Ian Lance Taylor  <ian@airs.com>
4954
4955         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
4956         define.
4957         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
4958         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
4959         Likewise.
4960
4961 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
4962
4963         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
4964         all immediate uses in PHI nodes.
4965
4966 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
4967
4968         * arm.c (arm_const_double_inline_cost): Handle any constant by
4969         using gen_lowpart and gen_highpart_mode.
4970         (note_invalid_constants): All constants in an RTX with a constraint
4971         that permits memory are now pushed to the constant pool.
4972         (output_move_double): Delete code to handle reg to reg and
4973         constant to reg moves.
4974         (const_double_needs_minipool, output_mov_immediate): Delete.
4975         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
4976         CONST_INT and CONST_VECTOR.
4977         * arm.md (ANY64): New mode macro.
4978         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
4979         (movdf_soft_insn): Split reg-reg and const-reg moves.
4980         (split patterns for 64-bit constant and register moves): New.
4981         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
4982         (cirrus_movdf_hard_insn): Likewise.
4983         * fpa.md (movdf_fpa): Likewise.
4984         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
4985         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
4986         constraints.
4987         (movv2si_internal_2): Likewise.
4988         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
4989         (movdf_vfp): Likewise.
4990         * arm-protos.h (output_mov_immediate): Delete prototype.
4991
4992 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
4993
4994         PR target/20093
4995         * simplify-rtx.c (simplify_unary_operation_1): Check
4996         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
4997
4998 2005-04-06  James E Wilson  <wilson@specifixinc.com>
4999
5000         PR target/20717
5001         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
5002         ADDR_EXPR.
5003
5004 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
5005
5006         * coverage.h (GCOV_TYPE_NODE): Delete.
5007         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
5008         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
5009         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
5010         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
5011         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
5012
5013 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
5014
5015         PR other/20792
5016         * Makefile.in (gcc.pot): Remove options.c dependency.
5017         * optc-gen.awk: Don't quote help strings with N_().
5018
5019 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
5020
5021         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
5022         the function returns a pointer type.
5023
5024 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
5025
5026         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
5027         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
5028         * doc/invoke.texi: Documnet salias-max-implicit-fields.
5029         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
5030         explicit_uses members.
5031         (get_or_create_used_part_for): Initialize new fields.
5032         (fieldoff_compare): New function.
5033         (create_overlap_variables_for): Count number of fields, use
5034         heuristic to determine whether to create subvars for vars with
5035         only implicit uses.
5036         Sort the field list by offset and avoid creating duplicate SFT's.
5037
5038 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
5039
5040         * c.opt (-F): Remove trailing whitespace from help string.
5041         (-finput-charset): Use a tab to separate the switch name and help
5042         string.
5043         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
5044         (-ftree-vectorizer-verbose): Likewise.
5045
5046 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
5047
5048         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
5049         a PHI argument where a use occurs instead of all PHI arguments.
5050
5051 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
5052
5053         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
5054         scope.
5055
5056 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
5057
5058         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
5059         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
5060         config/bfin/bfin.h: Fix comment typos.
5061
5062 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
5063
5064         * doc/install.texi: Update the URL for Jacks.
5065         * doc/sourcebuild.texi: Likewise.
5066
5067 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
5068
5069         PR target/17245
5070         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
5071         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
5072
5073 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
5074
5075         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
5076
5077 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
5078
5079         * config/v850/v850-protos.h (override_options): Delete.
5080         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
5081         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
5082         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
5083         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
5084         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
5085         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
5086         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
5087         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
5088         (OVERRIDE_OPTIONS): Delete.
5089         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
5090         (small_memory_info): Remove the value field.
5091         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
5092         TARGET_NO_APP_REGS.
5093         * config/v850/v850.c (small_memory): Remove the value field.
5094         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5095         (override_options): Delete.
5096         (v850_handle_memory_option, v850_handle_option): New functions.
5097         * config/v850/v850.opt: New file.
5098
5099 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
5100
5101         * config.host: Add a section for generic hosts, and a subsection
5102         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
5103         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
5104         * config/host-darwin.h: New.
5105         * config/x-darwin: New.
5106         * config/i386/host-i386-darwin.c: New.
5107         * config/i386/x-darwin: New.
5108         * config/rs6000/host-darwin.c: Include host-darwin.h.
5109         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
5110         (darwin_rs6000_gt_pch_use_address): Likewise.
5111         * config/rs6000/x-darwin: Change name of .o built, update
5112         dependencies for changes to rs6000/host-darwin.c.
5113
5114 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
5115
5116         PR target/17824
5117         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
5118
5119 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
5120
5121         * tree-vect-analyze.c (vect_analyze_loop_form): Call
5122         split_loop_exit_edge instead of loop_split_edge_with.
5123
5124 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
5125
5126         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
5127         UNSPEC_SET_VSCR): New constants, used throughout.
5128         (*andc3_v4sf): New.
5129         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
5130         Replace with...
5131         (altivec_vspltis<VI_char>): ... this pattern, using
5132         a QImode const_int_operand for the immediate.
5133         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
5134         define_expands.
5135
5136 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
5137
5138         PR target/17822
5139         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
5140
5141 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
5142
5143         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
5144
5145 2005-04-06  Ben Elliston  <bje@au.ibm.com>
5146
5147         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
5148         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
5149         macros as living in "this file" and not gcc.h.
5150
5151 2005-04-06  Ben Elliston  <bje@au.ibm.com>
5152
5153         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
5154         -ftree-live_range_split.  Perhaps renamed at some point?
5155
5156 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
5157
5158         PR target/20625
5159         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
5160         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
5161
5162 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
5163
5164         * tree-flow.h (number_of_iterations_cond): Declaration removed.
5165         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
5166         (number_of_iterations_special): New function.
5167         (number_of_iterations_exit): Use number_of_iterations_special.
5168         Use simplify_using_outer_evolutions only at -O3.
5169         (number_of_iterations_cond, tree_simplify_using_condition,
5170         simplify_using_initial_conditions, loop_niter_by_eval,
5171         compare_trees, can_count_iv_in_wider_type_bound,
5172         simplify_using_outer_evolutions): Use fold_build.
5173
5174 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
5175
5176         * doc/install.texi (Configuration): Document --with-java-home.
5177
5178 2005-04-05  Richard Henderson  <rth@redhat.com>
5179
5180         PR target/20342
5181         PR target/20447
5182         * config/i386/i386.c (print_operand): Handle vector zeros.
5183         (ix86_split_to_parts): Handle CONST_VECTOR.
5184         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
5185         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
5186         what modes to tie for MMX and SSE registers.
5187         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
5188         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
5189         to vector modes as well.
5190         * config/i386/predicates.md (const0_operand): Handle VOIDmode
5191         properly as an input mode.
5192
5193 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
5194
5195         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
5196
5197 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
5198
5199         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
5200
5201 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
5202
5203         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
5204         and local functions, set sse_nregs to 8 and float_in_sse.
5205         (function_arg_advance, function_arg): If float_in_sse, pass
5206         SFmode and DFmode arguments in SSE registers.
5207         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
5208
5209         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
5210         of -funit-at-a-time.
5211
5212 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
5213
5214         * config/i386/i386-protos.h (ix86_function_value): Accept two
5215         arguments, like the target macro.
5216         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
5217         * config/i386/i386.c (ix86_function_value): Accept the second
5218         argument of the target macro.
5219         (ix86_function_ok_for_sibcall): Pass a function pointer to
5220         ix86_function_value.
5221         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
5222         call to ix86_value_regno).
5223         (ix86_value_regno): Add support for returning floating point values
5224         in SSE registers.
5225
5226 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
5227
5228         PR tree-optimization/20076
5229         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
5230         that call __builtin_return or __builtin_apply_args.
5231
5232 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
5233
5234         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
5235         Use immediate use iterator.
5236         (stmt_is_bumper_for_loop): Use immediate use iterator.
5237         * predict.c (strip_builtin_expect): Use update_stmt.
5238         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
5239         on all elements of a STATEMENT_LIST.
5240         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
5241         (bsi_remove): Remove imm_use links and mark the stmt as modified.
5242         (bsi_replace): Mark stmt as modified and the update it.
5243         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
5244         (expand_complex_libcal): Call update_stmt.
5245         (expand_complex_comparison): Call mark_stmt_modified.
5246         (expand_complex_operations_1): Call update_stmt_if_modified.
5247         (expand_vector_operations_1): Call mark_stmt_modified.
5248         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
5249         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
5250         add_immediate_use, redirect_immediate_use,
5251         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
5252         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
5253         (mark_new_vars_to_rename): Call update_stmt.
5254         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
5255         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
5256         Ignore PHI nodes.
5257         (unmodify_stmt): Delete.
5258         (update_stmt): New.  Force an update of a stmt.
5259         (update_stmt_if_modified): update a stmt if it is out of date.
5260         (get_stmt_operands): Verify stmt is NOT modified.
5261         (stmt_modified_p): Update comment.
5262         (delink_imm_use): Remove a use node from its immuse list.
5263         (link_imm_use_to_list): Link a use node to a specific list.
5264         (link_imm_use): Link a node to the correct list.
5265         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
5266         it in the correct list, if appropriate.
5267         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
5268         (relink_imm_use): Link a use node in place of another node in a list.
5269         (relink_imm_use_stmt): LInk a node in place of another node, and set
5270         the stmt pointer.
5271         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
5272         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
5273         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
5274         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
5275         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
5276         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
5277         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
5278         (has_zero_uses): New.  Return true if there are no uses of a var.
5279         (has_single_use): New.  Return true if there is only a single use of a
5280         variable.
5281         (single_imm_use): New.  Return the simgle immediate use.
5282         (num_imm_uses): New.  Return the number of immediate uses.
5283         (get_v_must_def_ops): Use is now a pointer.
5284         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
5285         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
5286         the use node.
5287         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
5288         (delink_stmt_imm_use): Delink all immuses from a stmt.
5289         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
5290         * tree-flow.h (struct dataflow_d): Delete.
5291         (immediate_use_iterator_d): New.  Immediate use iterator struct.
5292         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
5293         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
5294         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
5295         iteration.
5296         (struct stmt_ann_d): Remove dataflow_t from struct.
5297         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
5298         (if_convertible_phi_p): Use FAST immuse iterator.
5299         (if_convertible_loop_p): Don't call compute_immediate_uses.
5300         (replace_phi_with_cond_modify_expr): Call update_stmt.
5301         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
5302         update_stmt_if_modified.
5303         (rewrite_all_into_ssa): Initialize ssa operands.
5304         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
5305         compute_immediate_uses.
5306         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
5307         ssa_property is available.
5308         (execute_one_pass):  Change parameters passed to execute_todo.
5309         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
5310         (remove_ssa_form): Call fini_ssa_operands.
5311         (insert_backedge_copies): Delete call to modify_stmt.
5312         * tree-phinodes.c (make_phi_node): Initialize use nodes.
5313         (release_phi_node): Delink any use nodes before releasing.
5314         (resize_phi_node): Relink any use nodes.
5315         (remove_phi_arg_num): Delink the use node.
5316         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
5317         (remove_all_phi_nodes_for): Release phi node first.
5318         * tree-pretty-print.c (dump_generic_node): Print stmt address.
5319         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
5320         (scalarize_use, scalarize_copy): Call update_stmt.
5321         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
5322         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
5323         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
5324         (ccp_initialize): Remove call to compute_immediate_uses.
5325         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
5326         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
5327         stmts.
5328         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
5329         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
5330         (eliminate_redundant_computations): Call mark_stmt_modified.
5331         (cprop_operand): Call mark_stmt_modified.
5332         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
5333         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
5334         (dse_optimize_stmt): Use new immuse interface.
5335         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
5336         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
5337         (substitute_single_use_vars): Use new immuse interface.
5338         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
5339         and compute_immediate_uses.
5340         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
5341         interface.
5342         (rewrite_mem_refs): Call update_stmt.
5343         (determine_lsm): Remove call to compute_imm_uses and free_df.
5344         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
5345         (try_unroll_loop_completely): Call update_stmt.
5346         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
5347         (rewrite_use_compare): Call update_stmt.
5348         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
5349         (rewrite_use) : Call update_stmt.
5350         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
5351         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
5352         update_stmt.
5353         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
5354         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
5355         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
5356         use nodes.
5357         (initialize_vuse_operand): New.  Initialize a vuse operand.
5358         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
5359         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
5360         (finalize_ssa_defs): Use stmt parameter.
5361         (correct_use_link): Ensure a use node is in the correct list, and has
5362         the correct stmt pointer.
5363         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
5364         finalize_ssa_v_must_defs): Also initialize use nodes.
5365         (finalize_ssa_stmt_operands): Pass extra stmt operands.
5366         (build_ssa_operands): Seperate parsing from final operand construction.
5367         (parse_ssa_operands): New.  Parse entry point for operand building.
5368         (swap_tree_operands): New.  Swap 2 tree operands.
5369         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
5370         operands.
5371         (get_expr_operands): Call swap_tree_operands when needed.
5372         (copy_virtual_operands): Use initialize routines for virtual use ops.
5373         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
5374         (verify_abort): New.  Issue imm_use error.
5375         (verify_imm_links): New Verify imm_use links for a var.
5376         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
5377         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
5378         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
5379         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
5380         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
5381         (NULL_USE_OPERAND_P) Define.
5382         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
5383         use node.
5384         (struct vuse_operand_type): New struct.
5385         (SET_USE): Call set_ssa_use_from_ptr.
5386         (USE_STMT): Define.
5387         (PHI_ARG_INDEX_FROM_USE): Define.
5388         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
5389         argument via SET_USE, not PHI_ARG_DEF_TREE.
5390         * tree-ssa-pre.c (eliminate): Call update_stmt.
5391         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
5392         call free_df.
5393         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
5394         (nearest_common_dominator_of_uses): Use imm_use iterator.
5395         (statement_sink_location): Use imm_use iterator and interface.
5396         (execute_sink_code): Don't call compute_immediate_uses or free-df.
5397         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
5398         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
5399         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
5400         (verify_ssa): Ensure no stmt is marked modify after optimization pass
5401         if new parameter is true.
5402         (init_tree_ssa): Don't initialize operand cache here.
5403         (delete_tree_ssa): Don't destroy operand cache here.
5404         (propagate_into_addr): Pass in a use pointer, return true if anything
5405         was changed.
5406         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
5407         (check_phi_redundancy): Use imm_use iterator.
5408         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
5409         free_df.
5410         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
5411         (release_ssa_name): Delink node and all elements in its imm_use list.
5412         * tree-tailcall.c (adjust_return_value): Call update_stmt.
5413         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
5414         * tree-vectorizer.c (need_imm_uses_for): Delete.
5415         (vectorize_loops): Dont call compute_immediate_uses or free_df.
5416         * tree.h (struct ssa_imm_use_d): Define.
5417         (SSA_NAME_IMM_USE_NODE): Define.
5418         (struct tree_ssa_name): Add imm_use node.
5419         (PHI_DF): Delete.
5420         (PHI_ARG_IMM_USE_NODE): Define.
5421         (struct phi_arg_d): Add imm_use node.
5422         (struct tree_phi_node): Remove struct dataflow_d element.
5423         (TDF_STMTADDR): Define.
5424
5425 2005-04-05  Dale Johannesen  <dalej@apple.com>
5426
5427         * doc/invoke.texi (Optimization Options):  Remove
5428         duplicate -fcse-follow-jumps.  Add -fweb.
5429         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
5430         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
5431
5432 2005-04-05  Per Bothner  <per@bothner.com>
5433
5434         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
5435         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
5436         (warn_uninit): Get EXPR_LOCUS from context now instead.
5437         This fixes a USE_MAPPED_LOCATION testsuite failure.
5438
5439         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
5440
5441 2005-04-05  Per Bothner  <per@bothner.com>
5442
5443         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
5444         of the artification 'return 0' in main() to BUILTINS_LOCATION.
5445         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
5446         before warning.
5447
5448 2004-04-05  Devang Patel  <dpatel@apple.com>
5449
5450         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
5451         (lhsr<mode>3): ... new name.
5452         (altivec_vsra<VI_char>): Rename to ..
5453         (ashr<mode>3): ... new name.
5454         * config/rs6000/rs6000.c (builtin_description): Rename shift
5455         operations.
5456
5457 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
5458
5459         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
5460         gen_lowpart_for_combine.
5461         * cse.c (gen_lowpart_if_possible): Move...
5462         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
5463         gen_lowpart_SUBREG.
5464         (gen_lowpart_no_emit_general): Use it.
5465
5466 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
5467
5468         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
5469         overriding.
5470
5471 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
5472
5473         * system.h: Fix typo.
5474
5475 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5476
5477         * config/bfin/bfin-modes.def: New file.
5478         * config/bfin/bfin-protos.h: New file.
5479         * config/bfin/bfin.c: New file.
5480         * config/bfin/bfin.h: New file.
5481         * config/bfin/bfin.md: New file.
5482         * config/bfin/bfin.opt: New file.
5483         * config/bfin/crti.s: New file.
5484         * config/bfin/crtn.s: New file.
5485         * config/bfin/elf.h: New file.
5486         * config/bfin/lib1funcs.asm: New file.
5487         * config/bfin/predicates.md: New file.
5488         * config/bfin/t-bfin: New file.
5489         * config/bfin/t-bfin-elf: New file.
5490         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
5491         Document new attributes.
5492         (interrupt, interrupt_handler, saveall): Update documentation for
5493         these attributes.
5494         * doc/install.texi (Specific): Add entry for the Blackfin.
5495         * doc/invoke.texi (Blackfin Options): New section.
5496         * doc/md.texi (Blackfin family): New section to document constraints.
5497         * config.gcc: Add bfin*-* and bfin*-elf configurations.
5498
5499 2005-04-05  Olivier Hainque  <hainque@adacore.com>
5500
5501         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
5502         match what the system unwinder expects.
5503         * config/mips/mips.c (mips_frame_set): If we're saving the return
5504         address register and the dwarf return address column number differs
5505         from the hard register number, adjust the note reg to refer to the
5506         former.
5507
5508 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
5509
5510         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
5511         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
5512         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
5513         (processor_type): New enum.
5514         (mn10300_processor): New variable.
5515         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
5516         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
5517         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
5518         (PROCESSOR_DEFAULT): New macro.
5519         * config/mn10300/mn10300.c (mn10300_processor): New variable.
5520         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5521         (mn10300_handle_option, mn10300_override_options): New functions.
5522         * config/mn10300/mn10300.opt: New file.
5523
5524 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
5525             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
5526
5527         PR tree-optimization/19903
5528         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
5529         that don't fit in their type after conversion.
5530
5531 2005-04-05  Uros Bizjak <uros@kss-loka.si>
5532
5533         PR target/20421
5534         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
5535         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
5536         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
5537         flag here. Implement using define_insn_and_split.
5538         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
5539         (frndintxf2_mask_pm_i387): New insn patterns.
5540         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
5541         Do not set ix86_optimize_mode_switching flag.
5542         (ceilsf2, ceildf2, ceilxf2): Same.
5543         (btruncsf2, btruncdf2, btruncxf2): Same.
5544         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
5545
5546 2005-04-05  Ian Lance Taylor  <ian@airs.com>
5547
5548         PR debug/9963
5549         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
5550         i386_pe_record_external_function.
5551         (i386_pe_record_external_function): Update declaration.
5552         * config/i386/winnt.c (struct extern_list): Add decl field.
5553         (i386_pe_record_external_function): Add decl parameter.
5554         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
5555         identifier.
5556         * config/i386/i386-protos.h (i386_pe_record_external_function):
5557         Update declaration.
5558
5559 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
5560
5561         * config/m68k/m68k-protos.h: Add a prototype for
5562         valid_dbcc_comparison_p_2.
5563         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
5564         extend_operator, const_uint32_operand, const_sint32_operand,
5565         general_src_operand, nonimmediate_src_operand,
5566         memory_src_operand, post_inc_operand, pre_dec_operand,
5567         pcrel_address): Move to predicates to predicates.md.
5568         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
5569         * config/m68k/m68k.md: Include predicates.md.
5570         * config/m68k/predicates.md: New.
5571
5572 2005-04-04  Roger Sayle  <roger@eyesopen.com>
5573
5574         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
5575
5576         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
5577
5578 2005-04-04  Ian Lance Taylor  <ian@airs.com>
5579
5580         * c-typeck.c (struct c_switch): Rename switch_stmt field to
5581         switch_expr.
5582         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
5583         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
5584         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
5585         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
5586         * c-common.c (c_do_switch_warnings_1): New static function broken
5587         out of c_do_switch_warnings.
5588         (c_do_switch_warnings): Call c_do_switch_warnings_1.
5589         (c_do_switch_expr_warnings): New function.
5590         * c-common.h (c_do_switch_expr_warnings): Declare.
5591
5592 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
5593             Daniel Jacobowitz  <dan@codesourcery.com>
5594
5595         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
5596         trapping divide.
5597         * rtlanal.c (may_trap_p): Same.
5598
5599 2005-04-04  Dale Johannesen  <dalej@apple.com>
5600
5601         * ChangeLog:  remove reference to ChangeLog.12.
5602
5603 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
5604
5605         CRIS epilogue as RTL.
5606         * config/cris/cris.md: Change all 0 in unspec 0 to
5607         CRIS_UNSPEC_PLT.
5608         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
5609         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
5610         patterns.
5611         ("return"): Change to define_expand.  Call cris_expand_return for
5612         actual expansion.
5613         ("*return_expanded"): New pattern.
5614         ("epilogue"): New define_expand.
5615         * config/cris/cris.h (PREDICATE_CODES): Add
5616         cris_load_multiple_op.
5617         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
5618         type.
5619         (enum cris_retinsn_type): New.
5620         (struct machine_function): New member return_type.
5621         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
5622         (cris_target_asm_function_epilogue): Remove, moving RTLified
5623         contents to...
5624         (cris_expand_epilogue): New function.
5625         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
5626         (cris_gen_movem_load, cris_load_multiple_op)
5627         (cris_return_address_on_stack_for_return, cris_expand_return): New
5628         functions.
5629         (cris_target_asm_function_prologue)
5630         (cris_initial_frame_pointer_offset): Call
5631         cris_reg_saved_in_regsave_area instead of complicated expression.
5632         Call cris_return_address_on_stack instead of an expression.
5633         (cris_print_operand) <case 'o', case 'O'>: New cases.
5634         (cris_return_address_on_stack): Change return-type to bool.
5635         (cris_simple_epilogue): Ditto.  Return false if registers are
5636         saved.
5637         * config/cris/cris-protos.h (cris_simple_epilogue)
5638         (cris_return_address_on_stack): Adjust prototype return type.
5639         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
5640         (cris_return_address_on_stack_for_return): New prototypes.
5641
5642 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
5643
5644         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
5645         gpr_or_int12_operand.
5646
5647         * config/frv/frv-protos.h: Add a prototype to
5648         frv_legitimate_memory_operand and frv_const_unspec_p.
5649         (frv_unspec): Move from frv.c.
5650         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
5651         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
5652         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
5653         gpr_or_fpr_operand, gpr_or_int12_operand,
5654         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
5655         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
5656         int6_operand, int5_operand, uint5_operand, uint4_operand,
5657         uint1_operand, int_2word_operand, uint16_operand,
5658         upper_int16_operand, integer_register_operand,
5659         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
5660         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
5661         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
5662         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
5663         move_destination_operand, movcc_fp_destination_operand,
5664         frv_function_symbol_referenced_p, move_source_operand,
5665         condexec_dest_operand, condexec_source_operand,
5666         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
5667         const_unspec_operand, gpr_or_memory_operand,
5668         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
5669         icc_operand, fcc_operand, cc_operand, icr_operand,
5670         fcr_operand, cr_operand, call_operand, sibcall_operand,
5671         symbolic_operand, relational_operator,
5672         integer_relational_operator, float_relational_operator,
5673         ccr_eqne_operator, minmax_operator,
5674         condexec_si_binary_operator, condexec_si_media_operator,
5675         condexec_si_divide_operator, condexec_si_unary_operator,
5676         condexec_sf_conv_operator, condexec_sf_add_operator,
5677         condexec_memory_operand, intop_compare_operator, acc_operand,
5678         even_acc_operand, quad_acc_operand, accg_operand: Move to
5679         predicates.md.
5680         * config/frv/frv.h (PREDICATE_CODES): Remove.
5681         * config/frv/frv.md: Include predicates.md.
5682         * config/frv/predicates.md: New.
5683
5684 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
5685
5686         PR target/19537
5687         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
5688         * tree-ssa-loop-ivopts.c: Include langhooks.h.
5689         (add_standard_iv_candidates_for_size): New function, extracting code
5690         from add_standard_iv_candidates and parameterizing it by type size.
5691         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
5692
5693 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
5694
5695         * system.h (GCOV_SIZE_TYPE): Unposion.
5696         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
5697         (GCOV_TYPE_SIZE): ...this new macro.
5698         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
5699         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
5700         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
5701         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
5702         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
5703         instead of unsigned_intSI_type_node.
5704         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
5705         (rtl_gen_one_value_profiler_no_edge_manipulation)
5706         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
5707         * value-prof.c: Include coverage.h.
5708
5709 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
5710             Diego Novillo <dnovillo@redhat.com>
5711
5712         Fix PR tree-optimization/20703
5713         Fix PR tree-optimization/20725
5714
5715         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
5716         (create_expression_by_pieces): Ditto.
5717         (valid_in_set): Ditto. Also handle tcc_declaration.
5718         (find_or_generate_expression): Handle comparison class.
5719         (insert_into_preds_of_block): Ditto.
5720         (insert_aux): Ditto.
5721         (create_value_expr_from): Handle comparison class, recursively
5722         handle reference nodes.
5723         (compute_avail): Handle comparison classes, rewrite a little cleaner.
5724         (execute_pre): Fix spacing.
5725         (do_fre): Renamed to execute_fre.
5726
5727 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5728
5729         * doc/invoke.texi (SPARC options): Document that
5730         -mlittle-endian is not supported on Linux either.
5731
5732 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5733
5734         PR target/4198
5735         PR target/12027
5736         * config.gcc (Obsolete configurations): Remove
5737         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
5738         (sparclite-*-coff*): Delete.
5739         (sparclite-*-elf*): Likewise.
5740         (sparc86x-*-elf*): Likewise.
5741         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
5742         * config/sparc/lite.h: Delete.
5743         * config/sparc/litecoff.h: Likewise.
5744         * config/sparc/liteelf.h: Likewise.
5745         * config/sparc/sp86x-elf.h: Likewise.
5746         * config/sparc/t-sparclite: Likewise.
5747         * config/sparc/t-sp86x: Likewise.
5748
5749 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
5750
5751         * config/s390/s390-protos.h: (s390_comparison,
5752         s390_alc_comparison, s390_slb_comparison, const0_operand,
5753         consttable_operand, larl_operand, s_operand,
5754         shift_count_operand, bras_sym_operand, load_multiple_operation,
5755         store_multiple_operation, s390_plus_operand): Remove prototypes.
5756         (s390_legitimate_address_without_index_p): New prototype.
5757         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
5758         to s390.h.
5759         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
5760         const0_operand, consttable_operand, larl_operand, s_operand,
5761         shift_count_operand, bras_sym_operand, load_multiple_operation,
5762         store_multiple_operation, s390_plus_operand): Move to
5763         predicates.md.
5764         (check_mode): Remove.
5765         (s390_branch_condition_mask): Remove 'static'. Move prototype to
5766         s390-protos.h.
5767         (s390_legitimate_address_without_index_p): New.
5768         * config/s390/s390.h (PREDICATE_CODES): Remove.
5769         * config/s390/s390.md: Include predicates.md.
5770         * config/s390/predicates.md: New.
5771
5772 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5773
5774         PR target/20446
5775         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
5776         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
5777         (NEED_INDICATE_EXEC_STACK): Define to 1.
5778         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
5779         (NEED_INDICATE_EXEC_STACK): Define to 1.
5780         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
5781         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
5782         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
5783         (pic_helper_emitted_p): New global.
5784         (emit_pic_helper): New function extracted from...
5785         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
5786         Do not call emit_pic_helper if delay_pic_helper is true.
5787         (sparc_expand_prologue): Pass 'false' to load_pic_register.
5788         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
5789         (sparc_file_end): New function.
5790
5791 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
5792
5793         * config/mcore/mcore-protos.h: Remove the prototypes for
5794         mcore_arith_reg_operand, mcore_general_movsrc_operand,
5795         mcore_general_movdst_operand, mcore_reload_operand,
5796         mcore_arith_J_operand, mcore_arith_K_operand,
5797         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
5798         mcore_arith_K_S_operand, mcore_arith_imm_operand,
5799         mcore_arith_any_imm_operand, mcore_arith_O_operand,
5800         mcore_literal_K_operand, mcore_addsub_operand,
5801         mcore_compare_operand, mcore_load_multiple_operation,
5802         mcore_store_multiple_operation, mcore_call_address_operand.
5803         Add a prototype for const_ok_for_mcore.
5804         * config/mcore/mcore.c (mcore_call_address_operand,
5805         mcore_general_movsrc_operand, mcore_general_movdst_operand,
5806         mcore_arith_reg_operand, mcore_reload_operand,
5807         mcore_arith_J_operand, mcore_arith_K_operand,
5808         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
5809         mcore_arith_M_operand, mcore_arith_imm_operand,
5810         mcore_arith_any_imm_operand, mcore_arith_O_operand,
5811         mcore_literal_K_operand, mcore_addsub_operand,
5812         mcore_compare_operand, mcore_load_multiple_operation,
5813         mcore_store_multiple_operation): Move to predicates.md.
5814         (const_ok_for_mcore): Export.
5815         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
5816         * config/mcore/mcore.md: Include predicates.md.
5817         * config/mcore/predicates.md: New.
5818
5819         * config/mcore/predicates.md: Fix a comment typo.
5820
5821 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
5822             Adrian Straetling  <straetling@de.ibm.com>
5823
5824         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
5825         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
5826         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
5827         attribute.
5828         ("imul"): Removed from "type" attribute.
5829         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
5830         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
5831         Changed type to imulsi.
5832         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
5833
5834 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
5835
5836         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
5837         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
5838         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
5839         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
5840         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
5841         (TARGET_SWITCHES, mcore_stack_increment_string)
5842         (TARGET_OPTIONS): Delete.
5843         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
5844         than *_BIT constants.
5845         (TARGET_8ALIGN): #undef old definition before redefining to 1.
5846         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
5847         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
5848         (mcore_override_options): Delete mcore_stack_increment code.
5849         Change use of M340_BIT to MASK_M340.
5850         * config/mcore/mcore.opt: New file.
5851
5852 2005-04-04  Ian Lance Taylor  <ian@airs.com>
5853
5854         * config/arm/arm.c (replace_symbols_in_block): Remove static
5855         function.
5856
5857 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
5858
5859         * config/fr30/fr30-protos.h: Remove the prototypes for
5860         stack_add_operand, add_immediate_operand,
5861         high_register_operand, low_register_operand, call_operand,
5862         di_operand, and nonimmediate_di_operand.
5863         * config/fr30/fr30.c (stack_add_operand,
5864         add_immediate_operand, high_register_operand,
5865         low_register_operand, call_operand, di_operand,
5866         nonimmediate_di_operand): Move to predicates.md.
5867         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
5868         * config/fr30/fr30.md: Include predicates.md.
5869         * config/fr30/predicates.md: New.
5870
5871         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
5872         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
5873         mcore_call_address_operand.
5874
5875         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
5876         general_movsrc_operand.
5877
5878 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
5879
5880         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
5881         after freeing.
5882
5883 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
5884
5885         PR target/14812
5886         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
5887         a negated value.
5888
5889 2005-04-04  Richard Henderson  <rth@redhat.com>
5890             Jakub Jelinek  <jakub@redhat.com>
5891
5892         PR rtl-optimization/16104
5893         * fold-const.c (fold_unary): Fix folding of vector conversions.
5894
5895 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
5896
5897         * config.gcc (xstormy16-*-elf): Set extra_options.
5898         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
5899         * config/stormy16/stormy16.opt: New file.
5900
5901 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
5902
5903         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
5904         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
5905         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
5906         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
5907         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
5908         (TARGET_UNIX_ASM): Delete.
5909         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
5910         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
5911         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
5912         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5913         * config/pdp11/pdp11.opt: New file.
5914
5915 2005-04-03  Roger Sayle  <roger@eyesopen.com>
5916             Alexandre Oliva  <aoliva@redhat.com>
5917
5918         PR c++/19199
5919         * fold-const.c (non_lvalue): Split tests into...
5920         (maybe_lvalue_p): New function.
5921         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
5922         C++ front-end prior to lowering into gimple form.
5923
5924 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5925
5926         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
5927         BUILT_IN_STRNCASECMP): New.
5928         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
5929         and strndup.
5930
5931 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
5932
5933         PR target/14812
5934         * arm.md (addsi3_compare0_for_combiner): Delete.
5935         (addsi3_compare0_scratch_for_combiner): Delete.
5936         (cmpsi_neg_shiftsi): Delete.
5937         (compare_negsi_si): New pattern.
5938         (cmpsi_negshiftsi_si): New pattern.
5939         (negated_cbranchsi4): Restrict to equality_operator.
5940
5941         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
5942         template.
5943
5944 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
5945
5946         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
5947         Fix comment typos.
5948
5949         * doc/install.texi: Fix a typo.
5950
5951 2005-04-03  Steven Bosscher  <stevenb@suse.de>
5952
5953         PR middle-end/20648
5954         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
5955         a computed goto if the edge to the computed goto block has
5956         incoming abnormal edges.  Clarify how the function works.
5957
5958 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
5959
5960         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
5961         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
5962         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
5963         hash_scan_set, reg_set_between_after_reload_p,
5964         reg_used_between_after_reload_p, get_avail_load_store_reg,
5965         eliminate_partially_redundant_load): Likewise.
5966         * postreload.c (reload_cse_simplify_set,
5967         reload_combine_note_use): Likewise.
5968         * predict.c (predict_insn, expected_value_to_br_prob,
5969         propagate_freq, expensive_function_p): Likewise.
5970         * print-rtl.c (print_rtx): Likewise.
5971         * profile.c (instrument_edges, instrument_values,
5972         compute_branch_probabilities, branch_prob, union_groups,
5973         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
5974         * protoize.c (in_system_include_dir, file_could_be_converted,
5975         file_normally_convertible, gen_aux_info_file, seek_to_line,
5976         do_cleaning): Likewise.
5977         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
5978         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
5979         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
5980
5981 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
5982
5983         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
5984         * modulo-sched.c (undo_replace_buff_elem): New structure.
5985         (kernel_number_of_cycles, ps_unschedule_node,
5986         undo_generate_reg_moves,free_undo_replace_buff,
5987         undo_permute_partial_schedule,  loop_single_full_bb_p,
5988         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
5989         build_loops_structure, get_sched_window): New.
5990         (generate_reg_moves): Return undo_replace_buff_elem and other
5991         fixes.
5992         (generate_prolog_epilog): Remove old loop versioning.
5993         (sms_schedule): Use loop information and loop_version.
5994         (sms_schedule_by_order): Split part of it to get_sched_window.
5995         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
5996         cfg_layout_finalize and free_dominance_info before/after SMS.
5997
5998 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
5999
6000         * cfghooks.c (lv_flush_pending_stmts,
6001         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
6002         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
6003         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
6004         lv_add_condition_to_bb,
6005         lv_adjust_loop_header_phi, extract_cond_bb_edges,
6006         flush_pending_stmts): New in cfg_hooks structure.
6007         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
6008         extract_cond_bb_edges, lv_adjust_loop_header_phi,
6009         lv_add_condition_to_bb): New declarations.
6010         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
6011         bool.
6012         (loop_version): Declare.
6013         * cfgloopmanip.c (cfghooks.h): Include.
6014         (duplicate_loop_to_header_edge): Change return type to bool.
6015         (loop_version, lv_adjust_loop_entry_edge): Move here.
6016         * cfgrtl.c (cfgloop.h): Include.
6017         (rtl_verify_flow_info_1): Fix.
6018         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
6019         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
6020         initialization.
6021         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
6022         tree_lv_add_condition_to_bb): New.
6023         (tree_cfg_hooks): Add new hooks to initialization.
6024         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
6025         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
6026
6027 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
6028
6029         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
6030         xstormy16_below100_or_register,
6031         xstormy16_splittable_below100_or_register, and
6032         nonimmediate_nonstack_operand.
6033
6034         * config/stormy16/stormy16-protos.h: Remove the prototypes for
6035         xstormy16_ineqsi_operator, equality_operator,
6036         inequality_operator, shift_operator,
6037         xstormy16_below100_operand, xstormy16_below100_or_register,
6038         xstormy16_splittable_below100_or_register,
6039         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
6040         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
6041         equality_operator, inequality_operator,
6042         xstormy16_below100_operand, xstormy16_below100_or_register,
6043         xstormy16_splittable_below100_or_register,
6044         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
6045         nonimmediate_nonstack_operand, shift_operator): Move to
6046         predicates.md.
6047         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
6048         * config/stormy16/stormy16.md: Include predicates.md.
6049         * config/stormy16/predicates.md: New.
6050
6051 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
6052
6053         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
6054         small_int, large_int, reg_or_0_operand, simple_memory_operand,
6055         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
6056         move_operand, power_of_2_operand): Move to predicates.md.
6057         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
6058         PREDICATE_CODE): Remove.
6059         * config/iq2000/iq2000.md: Include predicates.md.
6060         * config/iq2000/predicates.md: New.
6061
6062 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
6063
6064         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
6065         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
6066         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
6067         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
6068         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
6069         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
6070         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
6071         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
6072         (TARGET_M68HC11): Delete.
6073         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
6074         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
6075         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
6076         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
6077         (nb_soft_regs): Delete.
6078         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
6079         (m68hc11_override_options): Remove the code that caters for MASK_M6811
6080         and MASK_M6812 being set simultaneously.  Change the code that sets
6081         the default m68hc11_soft_reg_count to use integers instead of strings.
6082         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
6083         m68hc11_soft_reg_count (which now has an int type) as the number
6084         of soft registers.
6085         * config/m68hc11/m68hc11.opt: New file.
6086
6087 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
6088
6089         * config/fr30/fr30.h (PREDICATE_CODES): Remove
6090         fp_displacement_operand, sp_displacement_operand.
6091
6092         * config/m68hc11/m68hc11-protos.h: Add a prototype for
6093         m68hcc_auto_inc_p.
6094         Remove the prototypes for tst_operand, cmp_operand,
6095         stack_register_operand, d_register_operand,
6096         hard_addr_reg_operand, splitable_operand,
6097         m68hc11_logical_operator, m68hc11_arith_operator,
6098         m68hc11_non_shift_operator, m68hc11_shift_operator,
6099         m68hc11_unary_operator, m68hc11_eq_compare_operator,
6100         non_push_operand, hard_reg_operand, and
6101         reg_or_some_mem_operand.
6102         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
6103         extern.
6104         (tst_operand, cmp_operand, non_push_operand,
6105         splitable_operand, reg_or_some_mem_operand,
6106         stack_register_operand, d_register_operand,
6107         hard_addr_reg_operand, hard_reg_operand,
6108         m68hc11_eq_compare_operator, m68hc11_logical_operator,
6109         m68hc11_arith_operator, m68hc11_non_shift_operator,
6110         m68hc11_shift_operator, m68hc11_unary_operator): Move to
6111         predicates.md.
6112         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
6113         * config/m68hc11/m68hc11.md: Include predicates.md.
6114         * config/m68hc11/predicates.md: New.
6115
6116 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6117
6118         PR debug/19345
6119         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
6120         change checked in along with 2005-03-03's patch for debug/20253.
6121         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
6122         (remap_decl): Insert type decl in map earlier.
6123
6124 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6125
6126         PR tree-optimization/20640
6127         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
6128         post-dominator if it has phi nodes.
6129         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
6130         before dead statements.
6131
6132 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6133
6134         PR middle-end/20491
6135         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
6136
6137 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6138
6139         PR rtl-optimization/20290
6140         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
6141         in every iteration if the entry point is the exit test.
6142
6143 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
6144
6145         * config/cris/cris.md (attribute "length"): Define.
6146
6147 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
6148
6149         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
6150         (word_offset_memref_operand): New.
6151         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
6152         (indexed_or_indirect_operand): Delete.
6153         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
6154         (indexed_or_indirect_operand): Delete.
6155
6156         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
6157
6158         PR 20650
6159         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
6160         a register.
6161
6162         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
6163         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
6164
6165 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6166
6167         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
6168
6169 2005-04-01  Ian Lance Taylor  <ian@airs.com>
6170
6171         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
6172         (rus, prus): Remove static variables.
6173         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
6174         (process_command): Permit report_times and use_pipes together.
6175
6176 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
6177
6178         * c-decl.c (validate_proto_after_old_defn): Look at
6179         TYPE_MAIN_VARIANT of argument types.
6180
6181 2005-04-01  Paul Brook  <paul@codesourcery.com>
6182
6183         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
6184         (arm_output_function_epilogue): Allow call_via_SP.
6185         (thumb_call_via_reg, arm_file_end): Ditto.
6186         * config/arm/arm.h (struct machine_function): Include space for SP.
6187         (thumb_call_via_label): Update declaration.
6188
6189 2005-04-01  Ian Lance Taylor  <ian@airs.com>
6190
6191         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
6192         doing a peephole optimization, once again put any notes in the
6193         proper position.
6194
6195 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6196
6197         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
6198
6199 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
6200
6201         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
6202         (block_alloc, find_free_reg): Likewise.
6203         * loop-doloop.c (doloop_modify): Likewise.
6204         * loop-invariant.c (record_use): Likewise.
6205         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
6206         get_iv_value, canon_condition, eliminate_implied_condition,
6207         eliminate_implied_condition, simplify_using_initial_values,
6208         shorten_into_mode, canonicalize_iv_subregs,
6209         iv_number_of_iterations): Likewise.
6210         * loop-unroll.c (expand_var_during_unrolling): Likewise.
6211         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
6212         unswitch_loop): Likewise.
6213         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
6214         move_movables, replace_call_address, find_and_verify_loops,
6215         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
6216         record_giv, final_giv_value, general_induction_var,
6217         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
6218         loop_giv_dump): Likewise.
6219
6220         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
6221         GCOV_CHECK_WRITING): Remove.
6222         (gcov_position, gcov_rewrite): Use gcc_assert.
6223         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
6224         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
6225         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
6226         gcc_assert.
6227
6228 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6229
6230         * tree-inline.c: Fix a typo.
6231
6232 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
6233
6234         * configure.ac (enable-checking): Explicitly set all variables for
6235         collective switch values.  Alphabetize variables. Rename
6236         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
6237         synonym for 'no'.
6238         * doc/install.texi (enable-checking): Update documentation.
6239         * configure: Rebuilt.
6240
6241 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6242
6243         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
6244         possible.
6245
6246 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
6247
6248         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
6249         Also reject cases where this pattern will cause load delay stalls
6250         unless optimizing for size and it will produce a shorter sequence.
6251         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
6252         variants to avoid pre-adjusting the base when possible.
6253
6254 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
6255
6256         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
6257         the frame and argument pointers.
6258         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
6259         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
6260         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
6261         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
6262         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
6263         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
6264
6265 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
6266
6267         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
6268         with entry for selectany attribute.
6269         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
6270         Declare.
6271         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
6272         (i386_pe_asm_named_section): Handle sections generated by
6273         selectany attribute.
6274         * doc/extend.texi (selectany): Document attribute.
6275
6276 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
6277             Jan Hubicka  <jh@suse.cz>
6278
6279         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
6280         to fix addresses involving EBP and ESP.
6281         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
6282         for SUBREGed registers.
6283         (legitimate_address_p): Accept SUBREGed registers.
6284
6285 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
6286
6287         PR c++/19406
6288         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
6289         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
6290         for FIELD_DECLs.
6291
6292 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6293
6294         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
6295
6296 2005-04-01  James E Wilson  <wilson@specifixinc.com>
6297
6298         PR c++/20505
6299         * dwarf2out.c (rtl_for_decl_init): New function.
6300         (rtl_for_decl_location): Extracted from here.
6301         (tree_add_const_value_attribute): Call rtl_for_decl_init and
6302         add_const_value_attribute.  Delete initializer_constant_valid_p call.
6303
6304 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6305
6306         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
6307         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
6308         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
6309         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
6310         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
6311         config/i386/i386.md, config/rs6000/predicates.md,
6312         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
6313         config/s390/s390.c, config/stormy16/stormy16.c,
6314         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
6315         typos.
6316
6317 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
6318
6319         PR c/17855
6320         * gimplify.c (gimplify_expr): Create a temporary for lvalue
6321         COND_EXPR and CALL_EXPR.
6322
6323 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
6324
6325         PR target/20632
6326         * genautomata.c (first_cycle_unit_presence): Check all alternative
6327         states for unit presence.
6328
6329         * doc/md.texi: Remove remark about impossibility to query unit
6330         presence in non nondeterministic automaton state.
6331
6332         * config/ia64/ia64.c (get_template): Change order of unit querying.
6333
6334 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
6335
6336         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
6337         obsolete comment.
6338
6339 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
6340
6341         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
6342         flag for edges outside any loops.
6343
6344 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
6345
6346         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
6347
6348 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
6349
6350         * tree-ssa-alias.c: Follow spelling conventions.
6351         * doc/tree-ssa.texi: Fix a typo.
6352
6353 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
6354
6355         * postreload-gcse.c: Include target.h.
6356         (gcse_after_reload_main): Return early if we cannot modify jumps.
6357         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
6358
6359 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
6360
6361         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
6362         expensive operations.
6363
6364 2005-03-31  Ian Lance Taylor  <ian@airs.com>
6365
6366         * collect2.c (lderrout): New variable.
6367         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
6368         if it is set, to stderr.
6369         (handler): Unlink lderrout if it is set.
6370         (dump_file): Add "to" parameter.  Change all callers.
6371         (main): Initialize lderrout.
6372         (collect_execute): Add errname parameter.  Change all callers.
6373         Rename redir parameter to outname.  Never pass
6374         PEX_STDERR_TO_STDOUT to pex_run.
6375         * collect2.h (collect_execute, dump_file): Update declarations.
6376         * tlink.c (tlink_execute): Add errname parameter.  Change all
6377         callers.
6378         (do_tlink): Check lderrout as well as ldout.
6379
6380 2005-03-31  Caroline Tice  <ctice@apple.com>
6381
6382         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
6383         (bb-reorder.o): Add errors.h to list of requirements.
6384         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
6385         profiledbootstrap flags.
6386         * bb-reorder.c (errors.h): Add new include.
6387         (struct bbro_basic_block_data_def): Add new field, in_trace.
6388         (add_unlikely_executed_notes):  Remove function.
6389         (mark_bb_for_unlikely_executed_section): Remove function.
6390         (insert_section_boundary_note): New function.
6391         (verify_hot_cold_block_grouping): New function.
6392         (push_to_next_round_p): Remove variables and tests that push all
6393         cold blocks to last round.
6394         (find_traces): Remove code that added extra round of trace finding
6395         when doing partitioning.
6396         (find_traces_1_round) :  Remove variable last_round;  add code to
6397         update new struct field, in_trace; correct trace_length where it was
6398         incorrect before (after call to copy_bb); change code that pushed all
6399         cold blocks to last round. Instead verify that all blocks going into
6400         a trace belong in the same partition.
6401         (connect_traces): Modify to connect the traces in two passes, if the
6402         function contains both hot and cold blocks.  The first pass connects
6403         all the traces for blocks in the partition that the first block in
6404         the function belongs to; the second pass connnects all the traces
6405         containing blocks that belong in the other partition.
6406         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
6407         code that automatically put the first block in a function into the
6408         hot partition if the function had any hot blocks.
6409         (fix_crossing_unconditional_branches): Check number of succ edges
6410         before attempting to get one.
6411         (fix_edges_for_rarely_executed_code):  Update comment describing
6412         function.
6413         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
6414         remove call to add_unlikely_executed_notes; add call to
6415         verify_hot_cold_block_grouping.
6416         (duplicate_computed_gotos): Don't change computed goto if it's a
6417         crossing edge.
6418         (partition_hot_cold_basic_blocks):  Update function comment.
6419         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
6420         condition.
6421         (try_forward_edges): Likewise.
6422         (merge_blocks_move_predecessor_nojumps): Likewise.
6423         (merge_blocks_move_successor_nojumps): Likewise.
6424         (merge_blocks_move): Likewise.
6425         (try_crossjump_bb): Likewise.
6426         * cfglayout.c (update_unlikely_executed_notes): Remove function.
6427         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
6428         notes to cold bb's; remove call to update_unlikely_executed_notes.
6429         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
6430         NOTE_INSN_SWITCH_TEXT_SECTIONS.
6431         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
6432         function declaration.
6433         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
6434         from consideration.
6435         (rtl_can_merge_blocks): Remove redundancy from condition.
6436         (try_redirect_by_replacing_jump): Likewise.
6437         (force_nonfallthru_and_redirect): Remove code for adding
6438         UNLIKELY_EXECUTED_CODE notes to cold bb's.
6439         (commit_one_edge_insertion): Likewise.
6440         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
6441         * dbxout.c (FORCE_TEXT): Replace function_section with
6442         current_function_section.
6443         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
6444         function, switch_text_section.
6445         (struct xcoff_debug): Likewise.
6446         (dbxout_function_end): Add code to put out label diffs for both
6447         hot and cold sections.
6448         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
6449         for new debug_hooks funciton, switch_text_section..
6450         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
6451         switch_text_section.
6452         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
6453         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
6454         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
6455         dw_fde_switched_sections.
6456         (output_call_frame_info):  Add test to see if function switches text
6457         sections in the middle; if so, use appropriate extra hot and cold
6458         section labels to compute size deltas for the hot and cold sections.
6459         (dwarf2out_begin_prologue): Add code to initialize new fields in
6460         dw_fde_struct.
6461         (dwarf2out_switch_text_section): New function (invoked through
6462         debug_hook); updates new fields in dw_fde_struct appropriately and
6463         increments separate_line_info_table_in_use.
6464         (dwarf2_debug_hooks): Initialize switch_text_section function to be
6465         dwarf2out_switch_text_section.
6466         (struct var_loc_node): Add new field, section_label.
6467         (output_aranges): Add code to check whether in hot or cold section and
6468         use the appropriate label in calculating deltas.
6469         (output_ranges): Likewise.
6470         (output_line_info): Add code to check which section we're in and
6471         use appropriate hot/cold label.
6472         (add_location_or_constant_value_attribute): Likewise.
6473         (gen_subprogam_die): Modify arange attributes to use correct labels.
6474         (dwarf2out_begin_block): Change call to function_section into call to
6475         current_function_section.
6476         (dwarf2out_end_block): Likewise.
6477         (dwarf2out_source_line): Likewise.
6478         (dwarf2out_var_location): Add code to check whether in hot or cold
6479         section and use the appropriate label.
6480         * except.c (output_function_exception_table): Change call to
6481         function_section into call to current_function_section.
6482         * final.c (profile_function): Likewise.
6483         (scan_ahead_for_unlikely_executed_note): Remove function.
6484         (final_scan_insn):  Remove calls to
6485         scan_ahead_for_unlikely_executed_note, and related code for switching
6486         to cold section, except for the single time
6487         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
6488         debug_hooks->switch_text_sections; replace appropriate calls to
6489         function_section with calls to current_function_section.
6490         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
6491         test_bb to condition.
6492         (find_if_case_2): Likewise.
6493         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
6494         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
6495         * opts.c (decode_options): Change warning about hot/cold partitioning
6496         with exceptionss to inform (so as not to cause bootstrap failures);
6497         remove warning about partitioning with DWARF debug info.
6498         * output.h (current_function_section): Add new function decl.
6499         (insert_section_boundary_note): Likewise.
6500         (enum in_section): Move this declaration here from varasm.c.
6501         (unlikely_section_label): Likewise.
6502         (unlikely_text_section_name): Likewise.
6503         (last_text_section_name): New global variable.
6504         (last_text_section): Likewise.
6505         (hot_section_label): Likewise.
6506         (hot_section_end_label): Likewise.
6507         (cold_section_end_label): Likewise.
6508         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
6509         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
6510         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
6511         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
6512         insn from consideration.
6513         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
6514         switch_text_section.
6515         * varasm.c (basic-block.h): Add new include.
6516         (unlikely_section_label_printed): Remove global variable.
6517         (unlikely_section_label): Make global variable not be static any more.
6518         (unlikely_text_section_name): Likewise.
6519         (hot_section_end_label): New global variable (not static)
6520         (first_function_block_is_cold): Likewise.
6521         (hot_section_label): Likewise.
6522         (cold_section_end_label): Likewise..
6523         (last_text_section): New global variable, not static.
6524         (last_text_section_name): New global variable, not static.
6525         (initialize_cold_section_name): New function.
6526         (enum in_section): Move declaration to output.h.
6527         (text_section): Update last_text_section.
6528         (unlikely_text_section): Replace code to determine cold section name
6529         with call to initialize_cold_section_name; Add code to update
6530         last_text_section; remove code for printing out label.
6531         (named_section_real): Add code to update last_text_section and
6532         last_text_section_name as appropriate.
6533         (function_section): Change test for 'unlikely' to depend on
6534         first_function_block_is_cold (moved old test to
6535         current_function_section).
6536         (current_function_section): New function.
6537         (assemble_start_function): Move code that frees
6538         unlikely_text_section_name; initialize hot_section_end_label;
6539         print hot and cold section labels at the start of the function;
6540         set first_function_block_is_cold, if appropriate; initialize l
6541         ast_text_section; add call to insert_section_boundary_note.
6542         (assemble_end_function):  Add code to write out hot and cold section
6543         end labels.
6544         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
6545         switch_text_section.
6546         * config/darwin.c (machopic_select_section): Replace incorrect
6547         function in base_funs; update reloc for cold sections if necessary.
6548         * config/darwin.h (SECTION_FUNCTION):  Add code to update
6549         last_text_section if appropriate.
6550         (text_unlikely_section): Remove.
6551         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
6552         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
6553         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
6554         partitioning for this architecture.
6555
6556 2005-03-31  Olivier Hainque  <hainque@adacore.com>
6557
6558         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
6559         defined and non-zero.
6560
6561 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6562
6563         PR c++/18644
6564         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
6565         semantics.
6566
6567 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
6568
6569         PR target/20611
6570         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
6571         label operand.  Remove (use (unspec..)).  Don't emit a label on
6572         the offset word.
6573         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
6574         generate inline label for load_toc_v4_PIC_1b.
6575         (rs6000_emit_load_toc_table): Likewise.
6576
6577 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
6578
6579         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
6580         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
6581
6582 2005-03-29  Devang Patel  <dpatel@apple.com>
6583
6584         * tree-sra.c (decide_block_copy): Disable scalarization of
6585         sub-elements.
6586
6587 2005-03-30  Stuart Hastings  <stuart@apple.com>
6588             Dale Johannesen  <dalej@apple.com>
6589
6590         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
6591         * print-tree.c (print_node):  Add case STATEMENT_LIST.
6592
6593 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
6594
6595         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
6596         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
6597         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
6598         is given with "powerpc64*" or "all", or when --with-cpu chooses
6599         a 64-bit cpu.
6600
6601 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
6602
6603         PR debug/20268
6604         * dwarf2out.c (add_high_low_attributes): New function, extracted from
6605         gen_lexical_block_die.
6606         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
6607
6608 2005-03-31  Jan Hubicka  <jh@suse.cz>
6609
6610         2004-11-02  Jan Hubicka  <jh@suse.cz>
6611
6612         * cgraph.c (cgraph_varpool_node_name): New function.
6613         (dump_cgraph_varpool_node): New function.
6614         (dump_varpool): New function.
6615         * cgraphunit.c (cgraph_optimize): Dump varpool.
6616
6617         2004-10-16  Jan Hubicka  <jh@suse.cz>
6618
6619         * cgraph.c (decide_is_variable_needed): New function.
6620         (cgraph_varpool_finalize_decl): Use it.
6621         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
6622         unit-at-a-time.
6623         * final.c (output_addr_const): Do not call mark_referenced.
6624         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
6625         always go via cgraph.
6626         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
6627         (check_global_declarations): Ifdef out code clearing DECL_RTL.
6628         * tree-optimize.c (execute_inline): Mark functions called.
6629         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
6630
6631         2004-10-11  Jan Hubicka  <jh@suse.cz>
6632
6633         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
6634         (cgraph_varpool_last_needed_node): New static variable.
6635         (enqueue_needed_varpool_node): Break out from ...; add items to the
6636         end of queue; update first pointers.
6637         (cgraph_varpool_mark_needed_node): ... here.
6638         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
6639         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
6640         * cgraph.h (cgraph_varpool_node): Add analyzed field.
6641         (cgraph_varpool_first_unanalyzed_node): Declare.
6642         * cgraphunit.c: Include output.h.
6643         (cgraph_varpool_analyze_pending_decls): New function.
6644         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
6645         for errors, analyze pending decls.
6646         (cgraph_finalize_compilation_unit): Only analyze decls.
6647         (cgraph_optimize): Assemble the decls after expanding.
6648
6649 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
6650
6651         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
6652         subvars get marked properly in tags for grouping.
6653         (add_pointed_to_var): Mark only actual pointed to
6654         variables/subvars in addresses needed.
6655         (create_overlap_variables_for): Clear call clobbered on original
6656         variable.
6657         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
6658         addresable vars with subvars into list.
6659         * tree-ssa.c (verify_ssa_name): Verify original is not used where
6660         subvar should be.
6661
6662 2005-03-30  Richard Henderson  <rth@redhat.com>
6663
6664         * cgraph.h (struct cgraph_node): Add alias.
6665         * varasm.c (assemble_alias): Set it.
6666         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
6667         avoid calling cgraph_expand_function.
6668
6669 2005-03-30  Tom Tromey  <tromey@redhat.com>
6670
6671         * tree.def (FILE_TYPE): Removed.
6672         * typeclass.h (enum type_class): Removed file_type_class.
6673         * dwarf2out.c (is_base_type): Updated.
6674         (gen_type_die): Likewise.
6675         * dbxout.c (dbxout_type): Updated.
6676         * builtins.c (type_to_class): Updated.
6677         * tree.c (type_contains_placeholder_1): Updated.
6678         * config/sparc/sparc.c (sparc_type_code): Updated.
6679         * config/ia64/ia64.c (hfa_element_mode): Updated.
6680         * expr.c (count_type_elements): Updated.
6681         * stor-layout.c (layout_type): Updated.
6682         * tree-inline.c (remap_type): Updated.
6683         * tree-pretty-print.c (dump_generic_node): Updated.
6684
6685 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
6686
6687         * builtins.c (expand_builtin_powi): Fix mode of
6688         2nd argument to match int.
6689         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
6690         2nd argument type to int.
6691         * libgcc2.c: Change prototype of __powi* functions to use
6692         int.
6693
6694 2005-03-30  Dale Johannesen  <dalej@apple.com>
6695
6696         PR middle-end/19225
6697         * calls.c (expand_call):  Flush pending deferrals before
6698         throwing call.
6699
6700 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
6701
6702         PR c/772
6703         PR c/17913
6704         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
6705         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
6706         c_label_context, label_context_stack): New.
6707         * c-decl.c (define_label): Check for jumps into statement
6708         expressions.  Add label to list of defined labels.
6709         (start_function): Push context on label_context_stack.
6710         (finish_function): Pop context from label_context_stack.
6711         * c-typeck.c (label_context_stack): New.
6712         (c_finish_goto_label): Check for jumps into statement
6713         expressions.  Add label to list of jumped to labels.
6714         (struct c_switch): Add blocked_stmt_expr.
6715         (c_start_case): Initialize it.
6716         (do_case): Check it.
6717         (c_finish_case): Verify !blocked_stmt_expr.
6718         (c_begin_stmt_expr):  Push context on label_context_stack.
6719         Increment blocked_stmt_expr.  Mark labels jumped to from outside
6720         as undefinable.
6721         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
6722         defined in the statement expression and no longer jumpable to.
6723         Mark labels jumped to from just outside the statement expression
6724         as again definable.  Pop context from label_context_stack.
6725         * doc/extend.texi (Statement Exprs): Update.
6726
6727 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
6728
6729         PR c/20368
6730         * c-decl.c (start_function): Check for old_decl being
6731         error_mark_node.
6732
6733 2005-03-30  Ian Lance Taylor  <ian@airs.com>
6734
6735         * final.c (final): Remove prescan parameter.  Change all callers.
6736         (final_scan_insn): Remove prescan parameter.  Change all callers.
6737
6738 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
6739
6740         * tree-vectorizer.c: Fix comment typos.
6741
6742 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
6743
6744         * tree-scalar-evolution.c (instantiate_parameters_1): Return
6745         as soon as a chrec_dont_know is detected.
6746
6747 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
6748
6749         Merge from csl-arm-branch.
6750         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
6751
6752         * tlink.c (recompile_files): Do not assume that "rename" can
6753         overwrite an existing file.
6754
6755 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
6756
6757         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
6758         * gcc/configure: Regenerate.
6759
6760 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
6761
6762         * doc/install.texi: Update binutils requirement for powerpc*-linux.
6763
6764         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
6765
6766         * calls.c (struct arg_data): Update "partial" comment.
6767         (load_register_parameters): Update "nregs" comment.
6768
6769 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6770
6771         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
6772         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
6773         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
6774         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
6775         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
6776         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
6777         than target_flags & 0.
6778         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
6779         (iq2000_arch, iq2000_parse_cpu): Delete.
6780         (TARGET_HANDLE_OPTION): Override default.
6781         (iq2000_handle_option): New function.
6782         (override_options): Remove -march= and -mcpu= handling.
6783         * config/iq2000/iq2000.opt: New file.
6784
6785 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6786
6787         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
6788         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
6789         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
6790         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
6791         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
6792         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
6793         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
6794         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
6795         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
6796         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
6797         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
6798         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
6799         (c4x_rpts_cycles_string, c4x_cpu_version_string)
6800         (TARGET_OPTIONS): Delete.
6801         (c4x_rpts_cycles, c4x_cpu_version): Declare.
6802         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
6803         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
6804         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
6805         (c4x_cpu_version_string): Delete.
6806         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6807         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
6808         equivalent -mcpu= option.
6809         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
6810         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
6811         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
6812         or clearing the appropriate MASK_* bit.
6813         (c4x_file_start): Use c4x_cpu_version.
6814         * config/c4x/c4x.opt: New file.
6815
6816 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6817
6818         * doc/options.texi: Document the new MaskExists flag.
6819         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
6820         if the option has the MaskExists flag.
6821
6822 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6823
6824         * opt-functions.awk (flag_set_p, test_flag): New functions.
6825         (switch_flags): Use them.
6826         * opth-gen.awk: Use flag_set_p to check for flags.
6827         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
6828
6829 2005-03-30  Ian Lance Taylor  <ian@airs.com>
6830
6831         * config.host (i[34567]86-*-mingw32*): Don't set
6832         host_can_use_collect2 to no.
6833
6834 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
6835
6836         PR target/20203
6837         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
6838         Remove convert_memory_address call duplicating that in memory_address.
6839
6840 2005-03-29  Richard Henderson  <rth@redhat.com>
6841
6842         PR c/20519
6843         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
6844         (build_compound_literal): Likewise.  Propagate decl type into the
6845         initializer.
6846         (finish_decl): Likewise.  Use new return value from complete_array_type
6847         for zero sized arrays.
6848         (complete_array_type): Move ...
6849         * c-common.c (complete_array_type): ... here.  Change first argument
6850         to pointer-to-type-node.  Consistently use sizetype for the index
6851         except for zero sized arrays.  Detect zero sized arrays for pedantic
6852         mode diagnostics.  Create a new type node instead of modifying the
6853         old node in place.
6854         * c-tree.h (complete_array_type): Move decl ...
6855         * c-common.h (complete_array_type): ... here.
6856
6857 2005-03-29  Richard Henderson  <rth@redhat.com>
6858
6859         PR tree-opt/19108
6860         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
6861
6862 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
6863
6864         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
6865         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
6866         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
6867         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
6868
6869 2005-03-29  Eric Christopher  <echristo@redhat.com>
6870
6871         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
6872         truthvalue conversion removal.
6873
6874 2005-03-29  Ian Lance Taylor  <ian@airs.com>
6875
6876         PR bootstrap/14316
6877         * collect2.c: Never include <vfork.h>.
6878         (VFORK_STRING, vfork): Don't define.
6879         (pid): Remove global variable.
6880         (handler): Call raise instead of kill (getpid(), ...).
6881         (collect_wait): Add pex parameter.  Change all callers.  Use
6882         pex_get_status rather than pwait.
6883         (do_wait): Add pex parameter.  Change all callers.
6884         (collect_execute): Return struct pex_obj * rather than void.  Use
6885         pex routines rather than pexecute.
6886         (fork_execute): Get pex_obj from collect_execute, and pass it to
6887         do_wait.
6888         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
6889         Only declare quit_handler if SIGQUIT is defined.
6890         (scan_libraries): Likewise.
6891         * collect2.h (collect_execute): Update declaration.
6892         (collect_wait): Update declaration.
6893         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
6894         pass it to collect_wait.
6895
6896 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
6897
6898         PR c/20672
6899         * c-parser.c (c_parser_compound_statement_nostart): Give error
6900         message for EOF instead of just setting parser->error.
6901
6902 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
6903
6904         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
6905         (slpeel_update_phi_nodes_for_guard1): New function.
6906         (slpeel_update_phi_nodes_for_guard2): New function.
6907         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
6908         of slpeel_update_phi_nodes_for_guard.
6909         (vectorize_loops): Remove call to loop_closed_rewrite.
6910         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
6911         assertion.
6912
6913 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
6914
6915         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
6916         (TARGET_LITTLE_ENDIAN): New macro.
6917         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
6918         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
6919         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
6920         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
6921         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
6922         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
6923         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
6924         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
6925         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
6926         (TARGET_OPTIONS): Delete.
6927         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
6928         (CACHE_FLUSH_TRAP): Turn into an integer.
6929         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
6930         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
6931         -mflush-trap is in use.
6932         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
6933         (m32r_cache_flush_trap_string): Delete.
6934         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
6935         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
6936         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
6937         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6938         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
6939         -mmodel= and -msdata= handling from...
6940         (m32r_init): ...here.
6941         * config/m32r/m32r.opt: New file.
6942
6943 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
6944
6945         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
6946         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
6947         * tree-vect-analyze.c (vect_object_analysis): additional parm
6948         pass back a "struct ptr_info_def *" with the points-to info.
6949         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
6950         statement using info returned from vect_object_analysis.
6951         * tree-vect-transform.c (update_vuses_to_preheader): New function.
6952         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
6953         for virtual uses and defs when creating a replacement vector
6954         reference.  Call duplicate_ssa_name_ptr_info to define points-to
6955         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
6956         (vectorizable_store): copy_virtual_operands and update
6957         definition statements.
6958         (vectorizable_load): copy_virtual_operands.  Remove call to
6959         mark_call_clobbered_vars_to_rename for call to "const" builtin.
6960         * tree-vectorizer.c (vectorize_loops): Remove calls to
6961         rewrite_into_ssa and bitmap_clear (vars_to_rename).
6962         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
6963         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
6964         define macro STMT_VINFO_PTR_INFO for use in accessing.
6965         * tree.h add export of duplicate_ssa_name_ptr_info.
6966         * rs6000.c (altivec_init_builtins): Declare builtin function
6967         __builtin_altivec_mask_for_load to be "const".
6968
6969 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
6970
6971         PR middle-end/20622
6972         * cgraph.h (struct cgraph_varpool_node): Add alias field.
6973         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
6974         assemble_variable on aliases.
6975         * varasm.c (assemble_alias): Set node->alias.
6976         * toplev.c (wrapup_global_declarations): Don't call
6977         rest_of_decl_compilation on aliases again.
6978
6979 2005-03-29  Paul Brook  <paul@codesourcery.com>
6980
6981         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
6982         * config/arm/arm.c (arm_dbx_register_number): New function.
6983         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
6984
6985 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
6986
6987         PR middle-end/20263
6988         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
6989         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
6990
6991 2005-03-29  Dale Johannesen <dalej@apple.com>
6992
6993         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
6994         $(TREE_H) and $(COVERAGE_H).
6995         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
6996         * opts.c (common_handle_option): Enable tree-based value transforms.
6997         * toplev.c (process_options): Ditto.
6998         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
6999         refers to references to this type.
7000         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
7001         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
7002         for may_be_more, may_be_less.
7003         (rtl_gen_pow2_profiler): Adjust.
7004         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
7005         (rtl_gen_one_value_profiler): Adjust.
7006         (rtl_gen_const_delta_profiler): Adjust.
7007         * tree-profile.c (tree_gen_interval_profiler): Implement.
7008         (tree_gen_pow2_profiler): Ditto.
7009         (tree_gen_one_value_profiler): Ditto.
7010         (tree_profiling): New.
7011         (pass_tree_profile): Reference it.
7012         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
7013         tree.h, gcov-io.h.
7014         (insn_divmod_values_to_profile): Rename to
7015         rtl_divmod_values_to_profile. Adjust.
7016         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
7017         (insn_prefetch_values_to_profile): Adjust.
7018         (rtl_value_profile_transformations): Adjust.
7019         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
7020         (gen_mod_pow2): Rename to rtl_mod_pow2.
7021         (gen_mod_subtract): Rename to rtl_mod_subtract.
7022         (divmod_fixed_value_transform): Rename to
7023         rtl_divmod_fixed_value_transform.
7024         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
7025         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
7026         (rtl_find_values_to_profile): Adjust.
7027         (tree_value_profile_transformations): Implement.
7028         (tree_divmod_values_to_profile): New.
7029         (tree_values_to_profile): New.
7030         (tree_divmod_fixed_value): New.
7031         (tree_mod_pow2): New.
7032         (tree_mod_subtract): New.
7033         (tree_divmod_fixed_value_transform): New.
7034         (tree_mod_pow2_value_transform): New.
7035         (tree_mod_subtract_transform): New.
7036         (tree_find_values_to_profile): Implement.
7037         * profile.c (instrument_values):  Free histograms.
7038         (compute_value_histograms): Adjust. Implement tree version.
7039
7040 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
7041
7042         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
7043         * config/i386/i386.c (output_fix_trunc): Add new round_mode
7044         variable.  Output "fldcw" depending on round_mode.
7045         * config/i386/i386.md (UNSPEC_FIST): New.
7046         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
7047         New isns patterns to implement lrint and llrint built-ins as x87
7048         intrinsic function.
7049         (fistdi2, fist<mode>2 splitters): New splitters.
7050         (lrint<mode>2): New expanders.
7051
7052 2005-03-28  Ian Lance Taylor  <ian@airs.com>
7053
7054         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
7055         0 when calling final_scan_insn.
7056
7057 2005-03-28  Jan Hubicka  <jh@suse.cz>
7058
7059         PR middle-end/20635
7060         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
7061         as needed.
7062
7063         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
7064         types where possible.
7065
7066 2005-03-26  Per Bothner  <per@bothner.com>
7067
7068         Make -f[no-]show-column also control non-cpp diagnostics.
7069         * c.opt (fshow-column): Move option from here ...
7070         * common.opt (fshow-column): ... to here.
7071         * diagnostic.c (diagnostic_build_prefix): Only print column number
7072         if flag_show_column.
7073
7074 2005-03-27  Steven Bosscher  <stevenb@suse.de>
7075
7076         * vax-protos.h (vax_output_int_move, vax_output_int_add,
7077         vax_output_conditional_branch): New prototypes.
7078         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
7079         extracted from vax.md mov and add patterns.
7080         (vax_output_conditional_branch): New function to output conditional
7081         branch instructions.
7082         * vax.md: Use mode macros for arithmetic and mov patterns.
7083         Use code macros for the jump patterns.
7084
7085 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
7086
7087         * Makefile.in (libbackend.o): Depend on version files;
7088         add custom generation command.
7089
7090 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
7091
7092         PR target/20636
7093         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
7094         sure that we have a REG before getting its REGNO.
7095
7096 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7097
7098         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
7099         * builtins.def (BUILT_IN_STRNDUP): New.
7100
7101 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
7102
7103         PR tree-optimization/20470
7104         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
7105         ABS(x-y).
7106
7107 2005-03-25  Mike Stump  <mrs@apple.com>
7108
7109         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
7110         sized objects.
7111
7112 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
7113
7114         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
7115         Use our own structure definitions.
7116
7117         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
7118         (fix_truncdfsi2): Allow registers or memory as destination.
7119         When TARGET_PPC_GFXOPT, generate simplified pattern.
7120         (fix_truncdfsi2_internal): Use define_insn_and_split.
7121         (fix_truncdfsi2_internal_gfxopt): New.
7122         (fctiwz): Don't confuse register allocation by giving it no choices.
7123         (stfiwx): New.
7124         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
7125         (EXTRA_MEMORY_CONSTRAINT): Likewise.
7126         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
7127         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
7128
7129 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
7130
7131         * dominance.c (free_dominance_info): Speed up by freeing et
7132         data structures without maintaining other nodes.
7133         * et-forest.c (et_free_tree_force): New.
7134         * et-forest.h: Add a prototype for et_free_tree_force.
7135
7136         * tree.c (get_set_constructor_bits,
7137         get_set_constructor_bytes): Remove.
7138         * tree.h: Remove the corresponding prototypes.
7139
7140 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
7141
7142         PR target/15491
7143         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
7144         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
7145         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
7146         PRE_DEC, NEG and NOT.
7147
7148 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
7149
7150         * fold-const.c: Convert uses of fold (build (...)) to
7151         fold_buildN.
7152
7153 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
7154
7155         PR rtl-optimization/20249
7156         * cse.c (insert_regs): Do not record equivalence of registers in
7157         different modes.
7158
7159 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
7160
7161         * emit-rtl.c (reverse_comparison): Remove.
7162         * rtl.h: Remove the corresponding prototype.
7163
7164 2005-03-24  James E Wilson  <wilson@specifixinc.com>
7165
7166         * doc/install.texi (--enable-altivec): Delete docs.
7167
7168 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
7169
7170         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
7171         SFmode and DFmode before reload when
7172         flag_unsafe_math_optimizations not enabled.
7173
7174 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
7175
7176         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
7177
7178         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
7179         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
7180
7181 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
7182
7183         * configure.ac (enable-checking): Add 'runtime' option.
7184         * doc/install.texi (enable-checking): Document 'runtime' checking.
7185         * tsystem.h (gcc_assert, gcc_unreachable): Define.
7186         * config.in: Regenerated.
7187         * configure: Regenerated.
7188
7189 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
7190
7191         * optabs.h (enum optab_index): Remove OTI_llrint.
7192         (llrint_optab): Remove macro.
7193         * optabs.c (init_optabs): Remove llrint_optab initialization.
7194         * genopinit.c (optabs): Remove llrint_optab implementation.
7195         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
7196         using lrint_optab.
7197
7198 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
7199
7200         PR rtl-optimization/20532
7201         * simplify-rtx.c (simplify_binary_operation_1): Protect from
7202         overflow when adding coefficients for PLUS or MINUS.
7203         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
7204         two as multiplier.
7205
7206 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
7207
7208         * langhooks.h (truthvalue_conversion): Remove.
7209         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
7210         LANG_HOOKS_TRUTHVALUE_CONVERSION.
7211         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
7212         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
7213         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
7214
7215 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
7216
7217         * params.def: Fix a typo.
7218         * config/mips/mips.c: Follow the spelling convensions.
7219         * doc/invoke.texi: Fix typos.
7220
7221 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
7222
7223         Fix PR tree-optimization/20601
7224
7225         * tree-ssa-pre.c (insert_aux): Add missing condition to
7226         constification.
7227
7228 2005-03-23  Ian Lance Taylor  <ian@airs.com>
7229
7230         * final.c (final_scan_insn): Don't remove no-op instructions.
7231         * reload1.c (reload): Remove simple no-op instructions even when
7232         not optimizing.
7233
7234 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
7235
7236         PR tree-optimization/20501
7237         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
7238         reporting that peeling for alignment is applied moved to...
7239         * (vect_analyze_data_refs_alignment): Here.
7240
7241 2005-03-23  Ian Lance Taylor  <ian@airs.com>
7242
7243         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
7244
7245 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7246
7247         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
7248         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
7249
7250 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
7251
7252         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
7253         imply that this is called once, independent of asms in code.
7254         Adjust to now being pased output and input lists.  Mention helper
7255         function decl_overlaps_hard_reg_set_p.
7256         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
7257         hook_tree_tree_identity and to take three trees, returning third.
7258         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
7259         prototype.
7260         * stmt.c: include hard-reg-set.h before tree.h.
7261         (decl_overlaps_hard_reg_set_p): New function, broken out from...
7262         (decl_conflicts_with_clobbers_p): Call
7263         decl_overlaps_hard_reg_set_p.
7264         (expand_asm_operands): Pass output and input lists in call to
7265         targetm.md_asm_clobbers.
7266         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
7267         hook_tree_tree_tree_tree_3rd_identity.
7268         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
7269         parameters.
7270         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
7271         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
7272         parameters, first two unused.
7273         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
7274         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
7275         in constraint letters and MOF is not mentioned as a asm-declared
7276         register in neither of the input and output lists.
7277
7278 2005-03-23  DJ Delorie  <dj@redhat.com>
7279
7280         * optabs.c (expand_binop): Make sure the first subword's result
7281         gets stored.
7282
7283 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
7284
7285         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
7286         Call c_common_truthvalue_conversion rather than
7287         lang_hooks.truthvalue_conversion.
7288         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
7289         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
7290         c-typeck.c.
7291         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
7292         c_common_truthvalue_conversion.
7293         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
7294         c_parser_conditional_expression, c_parser_binary_expression): Call
7295         c_objc_common_truthvalue_conversion.
7296         * c-typeck.c (build_unary_op): Call
7297         c_objc_common_truthvalue_conversion.
7298         (build_conditional_expr): Do not call
7299         lang_hooks.truthvalue_conversion.
7300         (build_binary_op): Call c_common_truthvalue_conversion.
7301         (c_objc_common_truthvalue_conversion): Moved from
7302         c-objc-common.c.  Call default_function_array_conversion instead
7303         of default_conversion.
7304
7305 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
7306
7307         * c-common.h (default_conversion): Remove.
7308         (perform_integral_promotions): Add.
7309         * c-tree.h (default_conversion): Add.
7310         * c-typeck.c (perform_integral_promotions): New, split out from
7311         default_conversion.
7312         * c-common.c (check_case_value): Use perform_integral_promotions,
7313         not default_conversion.
7314         (c_add_case_label): Don't continue processing case label after
7315         found to be pointer.
7316
7317 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
7318
7319         * gcc.c (do_spec_1): Do not add a -L path for a directory in
7320         the prefix list if we have already added a multilib directory
7321         based on that path.
7322         (main): Do not add MD_EXEC_PREFIX to the list of directories to
7323         search with -L.
7324
7325 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
7326
7327         * reload1.c (indirect_symref_ok, reload_obstack): Make them
7328         static.
7329         * reload.h: Remove the prototype for indirect_symref_ok.
7330
7331         * reload1.c (indirect_symref_ok): Make it global.
7332         * reload.h: Add a prototype for indirect_symref_ok.
7333
7334 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
7335
7336         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
7337         ashlhi3 expander.
7338
7339 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
7340
7341         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
7342
7343 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
7344
7345         * c-opts.c (c_common_parse_file): Only start/end main source file
7346         if debug hooks says the writer wants it.
7347         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
7348         member.
7349         (xcoff_debug_hooks): Ditto.
7350         * debug.c (do_nothing_hooks): Ditto.
7351         * debug.h (gcc_debug_hooks): Ditto.
7352         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
7353         * sdbout.c (sdb_debug_hooks): Ditto.
7354         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
7355
7356 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
7357
7358         * doc/extend.texi: Deprecate C++ min/max operators.
7359
7360 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
7361
7362         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
7363         artificial original candidates.
7364
7365 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
7366             Jan Hubicka  <jh@suse.cz>
7367             Steven Bosscher <stevenb@suse.de>
7368
7369         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
7370         call cost based on argument sizes.
7371         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
7372         inlining.
7373         * params.def: (max-inline-inssn-single): Set to 450.
7374         (max-inline-insns-auto): Set to 90.
7375         (max-inline-insns-recursive): Set to 450
7376         (max-inline-insns-recursive-auto): Set to 450.
7377         (large-function-insns): Set to 2700.
7378         (inline-call-cost): New parameter.
7379         * tree-inline.c (estimate_move_cost): New function.
7380         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
7381         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
7382         based on arguments.
7383         * tree-inline.h (estimate_move_cost): Declare.
7384         * invoke.texi: (max-inline-inssn-single): Change default to 450.
7385         (max-inline-insns-auto): Change default to 90.
7386         (max-inline-insns-recursive): Change default to 450
7387         (max-inline-insns-recursive-auto): Change default to 450.
7388         (large-function-insns): Change default to 2700.
7389         (inline-call-cost): Document new parameter.
7390
7391 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
7392
7393         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
7394         (TARGET_DEFAULT): Delete.
7395         * config/i860/i860.opt: New file.
7396
7397 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
7398
7399         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
7400         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
7401         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
7402         (frv_sched_lookahead): Delete.
7403         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
7404         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
7405         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
7406         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
7407         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
7408         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
7409         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
7410         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
7411         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
7412         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
7413         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
7414         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
7415         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
7416         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
7417         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
7418         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
7419         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
7420         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
7421         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
7422         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
7423         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
7424         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
7425         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
7426         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
7427         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
7428         (frv_sched_lookahead): Delete.
7429         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
7430         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7431         (frv_handle_option): New function.  Move -mcpu= handling from...
7432         (frv_override_options): ...here.  Remove handling of other
7433         TARGET_OPTIONS.
7434         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
7435         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
7436         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
7437         and TARGET_NO_MULTI_CE.
7438         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
7439         !TARGET_VLIW_BRANCH.
7440         * config/frv/frv.opt: New file.
7441
7442 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
7443
7444         * fold-const.c (fold_ternary): Take decomposed arguments of
7445         CALL_EXPR.
7446         (fold): Update a call to fold_ternary.
7447
7448         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
7449         * tree.h: Add corresponding prototypes.
7450
7451 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
7452
7453         PR target/20561
7454         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
7455         between jump table and its label.
7456         * final.c (shorten_branches): Handle notes in between ADDR_VEC
7457         resp. ADDR_DIFF_VEC and the label preceeding it.
7458         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
7459         is emitted in the right section.
7460
7461 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
7462
7463         * fold-const.c (fold_unary, fold_binary): Update comments
7464         about arguments.
7465
7466 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
7467
7468         PR rtl-optimization/20527
7469         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
7470         REG_INC note, test that the register also isn't mentioned in PRED
7471         or SUCC.
7472
7473 2005-03-22  Ben Elliston  <bje@au.ibm.com>
7474
7475         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
7476         and definition.
7477
7478 2005-03-21  Mike Stump  <mrs@apple.com>
7479
7480         * varasm.c (default_assemble_visibility): Remove extra ().
7481
7482 2005-03-21  Roger Sayle  <roger@eyesopen.com>
7483
7484         PR middle-end/20557
7485         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
7486         to determine whether a block can be duplicated, rather than test
7487         whether the block contains noncopyable insns ourselves.
7488
7489 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7490
7491         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
7492         predicates.
7493
7494 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
7495
7496         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
7497
7498 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
7499
7500         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
7501         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
7502         * config/fr30/fr30.opt: New file.
7503
7504 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
7505
7506         Fix PR tree-optimization/20542
7507
7508         * tree-flow-inline.h (overlap_subvar): Move to here.
7509         * tree-ssa-operands.c: From here.
7510         * tree-flow.h (overlap_subvar): Declare.
7511         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
7512         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
7513         for variables with subvars.
7514
7515 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
7516
7517         PR middle-end/20177
7518         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
7519         * modulo-sched.c (const_iteration_count): Return on NULL
7520         pre-header.
7521         (print_node_sched_params): Return on NULL dump_file.
7522         (generate_reg_moves): Handle reg-anti dependencies and disregard
7523         closing branch when generating register moves.
7524         (sms_schedule): Mark the SMSed block dirty.
7525         * passes.c (rest_of_handle_sms): Call update_life_info for all
7526         basic-blocks.
7527         * testsuite/gcc.dg/20050321-1.c: New test.
7528
7529 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
7530
7531         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
7532         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
7533         movqi_internal): Likewise.
7534
7535 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
7536
7537         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
7538         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
7539         xtensa_b4const): Delete prototypes.
7540         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
7541         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
7542         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
7543         xtensa_extra_constraint): New prototypes.
7544         (add_operand, arith_operand, nonimmed_operand, mem_operand,
7545         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
7546         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
7547         move_operand, const_float_1_operand, fpmem_offset_operand,
7548         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
7549         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
7550         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
7551         argument type to HOST_WIDE_INT.
7552         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
7553         xtensa_mask_immediate): Likewise.
7554         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
7555         Likewise.  Also make these functions static.
7556         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
7557         (xtensa_const_ok_for_letter_p): New.
7558         (add_operand, arith_operand, nonimmed_operand, mem_operand,
7559         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
7560         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
7561         move_operand, const_float_1_operand, fpmem_offset_operand,
7562         branch_operator, ubranch_operator, boolean_operator): Move to
7563         predicates.md.
7564         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
7565         (xtensa_mem_offset): Change return type to bool.
7566         (xtensa_extra_constraint): New.
7567         (gen_int_relational): Update type of const_range_p function pointer.
7568         Use xtensa_b4const_or_zero.
7569         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
7570         xtensa_const_ok_for_letter_p.  Update comments.
7571         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
7572         (PREDICATE_CODES): Delete.
7573         * config/xtensa/xtensa.md: Include predicates.md.
7574         * config/xtensa/predicates.md: New file.
7575
7576 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7577
7578         * config/v850/v850-protos.h: Remove the prototypes for
7579         reg_or_int9_operand, reg_or_const_operand,
7580         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
7581         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
7582         movsi_source_operand, power_of_two_operand,
7583         not_power_of_two_operand, special_symbolref_operand,
7584         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
7585         register_is_ok_for_epilogue.
7586         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
7587         reg_or_int9_operand, reg_or_const_operand,
7588         call_address_operand, special_symbolref_operand,
7589         movsi_source_operand, power_of_two_operand,
7590         not_power_of_two_operand, register_is_ok_for_epilogue,
7591         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
7592         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
7593         predicates.md.
7594         * config/v850/v850.h (PREDICATE_CODES): Remove.
7595         * config/v850/v850.md: Include predicates.md.
7596         * config/v850/predicates.md: New.
7597
7598 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
7599
7600         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
7601         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
7602         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
7603         (itoolsdir, itoolsdatadir): Move definition above new first use.
7604         (install-itoolsdirs): New rule.
7605         (install-mkheaders): Depend on install-itoolsdirs, not
7606         install-include-dir.
7607
7608 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7609
7610         * tree-into-ssa.c: Remove obsolete comments.
7611
7612 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
7613
7614         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
7615         unrolling if -fpeel-loops is specified, too.
7616         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
7617         Remove superfluous check for flag_unroll_loops.
7618
7619 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
7620
7621         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
7622         (lrint_optab, llrint_optab): Define corresponding macros.
7623         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
7624         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
7625         pattern and llrint_optab using llrintdi2 patterns.
7626         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
7627         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
7628         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
7629         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
7630         flag_unsafe_math_optimizations is set.
7631
7632 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
7633
7634         * combine.c (combine_simplify_rtx, simplify_if_then_else,
7635         simplify_logical, if_then_else_cond, known_cond,
7636         simplify_comparison): Adjust calls to reverse_comparison.
7637         Don't use combine_reversed_comparison_code).
7638         (combine_reversed_comparison_code): Remove.
7639         (reversed_comparison): Using reversed_comparison_code, move it...
7640         * jump.c (reversed_comparison): ... here.
7641         * rtl.h (reversed_comparison): Add prototype.
7642
7643 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7644
7645         * builtins.c (fold_builtin): Take decomposed arguments of
7646         CALL_EXPR.
7647         * fold-const.c (fold_ternary): Update a call to fold_builtin.
7648         * gimplify.c (gimplify_call_expr): Likewise.
7649         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
7650         * tree.h: Update the prototype of fold_builtin.
7651
7652 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
7653
7654         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
7655         * rtlhooks.c (gen_lowpart_no_emit_general): New.
7656         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
7657         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
7658         * simplify-rtx.c (simplify_binary_operation_1): Use it.
7659
7660 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7661
7662         * builtins.c (fold_builtin_1): Take decomposed arguments of
7663         CALL_EXPR.
7664         (fold_builtin): Update a call to fold_builtin_1.
7665
7666 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
7667
7668         PR other/20564
7669         * gcov.c (output_lines): Only output function block summary when
7670         outputting branch information.
7671         * doc/gcov.texi: Document format of preamble and additional block
7672         information lines.
7673
7674 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
7675
7676         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
7677         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
7678         the defaults false if BITS_PER_UNIT != 8.
7679         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
7680         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
7681         than BITS_PER_UNIT != 8.
7682         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
7683         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
7684         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
7685         #undefs.
7686         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
7687         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
7688
7689 2005-03-20  Roger Sayle  <roger@eyesopen.com>
7690
7691         PR middle-end/20539
7692         * fold-const.c (fold_binary): Fix type mismatch between
7693         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
7694         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
7695         for non-truth-valued expressions.
7696
7697         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
7698         and FUNCTION_DECL in the main switch.
7699         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
7700         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
7701         we also need to convert their operands to match.
7702         <TRUTH_NOT_EXPR>: Likewise.
7703
7704 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
7705
7706         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
7707         diagnostic without checking whether an lvalue.
7708         * c-common.h (lvalue_p): Remove.
7709         (enum lvalue_use): Update comment.
7710         (lvalue_or_else): Replace by lvalue_error.
7711         * c-typeck.c (lvalue_p): Make static.
7712         (lvalue_or_else): New.  Call lvalue_error.
7713
7714 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
7715
7716         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
7717         (function_arg_advance): Use rs6000_parm_start.
7718         (function_arg, rs6000_arg_partial_bytes): Likewise.
7719
7720 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
7721
7722         * c-common.c (check_case_value): Adjust comment about stripping
7723         NOPs.
7724         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
7725         * c-typeck.c (default_conversion, convert_arguments,
7726         build_modify_expr, convert_for_assignment, store_init_value,
7727         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
7728         manually.  Remove inaccurate comments.
7729
7730 2005-03-20  Roger Sayle  <roger@eyesopen.com>
7731             Joseph S. Myers  <joseph@codesourcery.com>
7732
7733         * varasm.c (do_assemble_alias): Restore comment describing function.
7734         Annotate the target parameter as potentially unused.
7735
7736 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
7737
7738         PR target/18551
7739         * config/avr/avr.c (avr_output_function_prologue): Do not use
7740         current_function_name() in a label, use a local label instead.
7741
7742 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
7743
7744         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
7745         flag_finite_math_only, not flag_unsafe_math_optimizations.
7746
7747 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
7748
7749         * builtins.c (fold_builtin_1): Update a call to
7750         targetm.fold_builtin.
7751         * hooks.c (hook_tree_tree_bool_null): Rename to
7752         hook_tree_tree_tree_bool_null.  Take one more argument of type
7753         tree.
7754         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
7755         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
7756         hook_tree_tree_tree_bool_null.
7757         * target.h (gcc_target): Update the prototype of fold_builtin.
7758         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
7759         arguments of CALL_EXPR.
7760         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
7761         new prototype.
7762
7763 2005-03-20  Jan Hubicka  <jh@suse.cz>
7764
7765         * cgraph.h (cgraph_node): Add prev_clone pointer.
7766         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
7767         (cgraph_clone_node): Produce doubly linked chain.
7768
7769 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
7770
7771         * c-common.c (handle_aligned_attribute, check_function_sentinel,
7772         get_nonnull_operand, handle_sentinel_attribute,
7773         check_function_arguments_recurse): Do not strip NOPS from
7774         INTEGER_CSTs.
7775         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
7776         Likewise.
7777         * c-format.c (get_constant): Likewise.
7778         * c-parser.c (c_parser_postfix_expression): Likewise.
7779         * c-typeck.c (set_init_index): Likewise.
7780         (convert_arguments): Don't check for NOP_EXPR containing integer
7781         constant.
7782
7783 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
7784
7785         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
7786         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
7787         Take decomposed arguments of CALL_EXPR.
7788         (fold_builtin_1): Update calls to the functions mentioned
7789         above.
7790
7791 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
7792
7793         * c-decl.c (check_bitfield_type_and_width): Require bit-field
7794         width to have integer type.
7795         (build_enumerator): Require enumerator value to have integer type.
7796
7797 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7798
7799         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
7800         to __builtin_inff.
7801
7802 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7803
7804         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
7805         std=iso9899:199x): Correct descriptions.
7806
7807 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7808
7809         * config.gcc: Consistently use solaris2.1[0-9]* instead of
7810         solaris2.1[0-9].
7811
7812 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
7813
7814         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
7815         of CALL_EXPR.
7816         (expand_builtin_memcpy, fold_builtin_1): Update calls to
7817         fold_builtin_memcpy.
7818
7819         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
7820         arguments of CALL_EXPR.
7821         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
7822         fold_builtin_found, fold_builtin_1): Update calls to
7823         fold_trunc_transparent_mathfn.
7824
7825 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7826
7827         PR middle-end/20493
7828         * fold-const.c (fold_widened_comparison): Don't optimize casts of
7829         function pointers on targets that require function pointer
7830         canonicalization.
7831         (fold_sign_changed_comparison): Likewise.
7832
7833 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
7834
7835         * combine.c (try_combine): When changing the mode of a hard reg, make
7836         sure that doing so is valid.
7837
7838 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
7839
7840         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
7841         (TARGET_HANDLE_OPTION): Override default.
7842         (avr_handle_option): New function.
7843         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
7844         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
7845         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
7846         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
7847         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
7848         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
7849         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
7850         (TARGET_OPTIONS): Delete.
7851         * config/avr/avr.opt: New file.
7852
7853 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7854
7855         * config/m32r/m32r-protos.h: Remove the prototypes for
7856         call_address_operand, symbolic_operand, seth_add3_operand,
7857         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
7858         reg_or_uint16_operand, reg_or_cmp_int16_operand,
7859         two_insn_const_operand, move_src_operand,
7860         move_double_src_operand, move_dest_operand,
7861         eqne_comparison_operator, signed_comparison_operator,
7862         large_insn_p, conditional_move_operand, carry_compare_operand,
7863         m32r_block_immediate_operand, extend_operand,
7864         reg_or_eq_int16_operand, int8_operand, and
7865         reg_or_zero_operand.
7866         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
7867         seth_add3_operand, int8_operand, cmp_int16_operand,
7868         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
7869         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
7870         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
7871         move_double_src_operand, move_dest_operand,
7872         eqne_comparison_operator, signed_comparison_operator,
7873         extend_operand, small_insn_p, large_insn_p,
7874         conditional_move_operand, carry_compare_operand,
7875         m32r_block_immediate_operand): Move to predicates.md.
7876         (MAX_MOVE_BYTES): Move to m32r.h.
7877         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
7878         * config/m32r/m32r.md: Include predicates.md.
7879         * config/m32r/predicates.md: New.
7880
7881 2005-03-18  James E Wilson  <wilson@specifixinc.com>
7882
7883         PR c++/19769
7884         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
7885         origin.
7886
7887 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7888
7889         * config/mn10300/mn10300-protos.h: Remove the prototypes for
7890         call_address_operand, const_8bit_operand.
7891         * config/mn10300/mn10300.c (call_address_operand,
7892         const_8bit_operand, const_1f_operand): Move to predicates.md.
7893         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
7894         * config/mn10300/mn10300.md: Include predicates.md.
7895         * config/mn10300/predicates.md: New.
7896
7897 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
7898
7899         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
7900         declarations in diagnostics and %E for identifiers, not %s.
7901
7902 2005-03-18  Jan Hubicka  <jh@suse.cz>
7903             Dale Johannesen  <dalej@apple.com>
7904
7905         * basic-block.h (scale_bbs_frequencies_int,
7906         scale_bbs_frequencies_gcov_type): Declare.
7907         * cfg.c (RDIV): New macro.
7908         (update_bb_frequency_for_threading): Fix.
7909         * basic-block.h (scale_bbs_frequencies_int,
7910         scale_bbs_frequencies_gcov_type): New.
7911         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
7912         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
7913         scale_bbs_frequencies_int.
7914         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
7915
7916 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7917
7918         * config/m32r/m32r-protos.h: Remove the prototypes for
7919         call_address_operand, symbolic_operand, seth_add3_operand,
7920         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
7921         reg_or_uint16_operand, reg_or_cmp_int16_operand,
7922         two_insn_const_operand, move_src_operand,
7923         move_double_src_operand, move_dest_operand,
7924         eqne_comparison_operator, signed_comparison_operator,
7925         large_insn_p, conditional_move_operand, carry_compare_operand,
7926         m32r_block_immediate_operand, extend_operand,
7927         reg_or_eq_int16_operand, int8_operand, and
7928         reg_or_zero_operand.
7929         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
7930         seth_add3_operand, int8_operand, cmp_int16_operand,
7931         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
7932         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
7933         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
7934         move_double_src_operand, move_dest_operand,
7935         eqne_comparison_operator, signed_comparison_operator,
7936         extend_operand, small_insn_p, large_insn_p,
7937         conditional_move_operand, carry_compare_operand,
7938         m32r_block_immediate_operand): Move to predicates.md.
7939         (MAX_MOVE_BYTES): Move to m32r.h.
7940         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
7941         * config/m32r/m32r.md: Include predicates.md.
7942         * config/m32r/predicates.md: New.
7943
7944         * config/pa/pa-protos.h: Add prototypes for magic_milli and
7945         shadd_constant_p.
7946         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
7947         symbolic_operand, symbolic_memory_operand,
7948         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
7949         indexed_memory_operand, move_dest_operand, move_src_operand,
7950         prefetch_cc_operand, prefetch_nocc_operand,
7951         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
7952         arith_operand, arith11_operand, pre_cint_operand,
7953         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
7954         ireg_operand, int5_operand, uint5_operand, int11_operand,
7955         uint32_operand, arith5_operand, and_operand, ior_operand,
7956         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
7957         pc_or_label_operand, div_operand, plus_xor_ior_operator,
7958         shadd_operand, movb_comparison_operator,
7959         cmpib_comparison_operator): Move to predicates.md.
7960         (magic_milli, shadd_constant_p): Make it extern.
7961         * config/pa/pa.h (PREDICATE_CODES): Remove.
7962         * config/pa/pa.md: Include predicates.md.
7963         * config/pa/predicates.md: New.
7964
7965         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
7966         predicate.
7967
7968 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7969
7970         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
7971         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
7972         config/alpha/freebsd.h, config/alpha/linux.h,
7973         config/alpha/netbsd.h, config/alpha/osf5.h,
7974         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
7975         config/h8300/h8300-protos.h, config/h8300/h8300.c,
7976         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
7977         doc/cppopts.texi: Update copyright.
7978
7979 2005-03-18  Jan Hubicka  <jh@suse.cz>
7980
7981         PR middle-end/20225
7982         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
7983         too late.
7984         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
7985         called too late.
7986
7987 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7988
7989         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
7990         VEC_safe_push.
7991
7992 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
7993
7994         * combine.c (gen_binary): Remove.
7995         (known_cond, simplify_shift_const, find_split_point,
7996         combine_simplify_rtx, simplify_if_then_else, simplify_set,
7997         simplify_logical, expand_field_assignment, extract_left_shift,
7998         force_to_mode, if_then_else_cond, apply_distributive_law,
7999         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
8000         simplify_comparison, reversed_comparison): Replace with
8001         simplify_gen_binary, simplify_gen_relational or
8002         distribute_and_simplify_rtx.
8003         (distribute_and_simplify_rtx): New function.
8004
8005 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
8006             Paolo Bonzini  <gcc.gnu.org>
8007
8008         * calls.c (setjmp_call_p, special_function_p): Update comments
8009         at the head of the functions.
8010
8011 2005-03-18  Jan Hubicka  <jh@suse.cz>
8012
8013         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
8014
8015         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
8016         function body should be released; do not proactively release function
8017         bodies in non-unit-at-a-time mode.
8018
8019 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
8020
8021         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
8022         mno-fp-ret-in-387 multilib variants.
8023
8024 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
8025
8026         * common.opt (m): Remove.
8027         * opts.c (handle_option): Pass 'm' options to set_target_switch if
8028         table lookup fails.
8029         (common_handle_option): Remove OPT_m case.
8030
8031 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8032
8033         * builtins.c (fold_builtin_bitop): Take decomposed arguments
8034         of CALL_EXPR.
8035         (fold_builtin_1): Update a call to fold_builtin_bitop.
8036
8037         * builtins.c (fold_builtin_signbit): Take decomposed arguments
8038         of CALL_EXPR.
8039         (fold_builtin_1): Update a call to fold_builtin_signbit.
8040
8041 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
8042
8043         PR tree-optimization/20474
8044         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
8045         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
8046
8047 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
8048
8049         * config/h8300/h8300-protos.h: Remove prototypes for
8050         general_operand_src, general_operand_dst, single_one_operand,
8051         single_zero_operand, call_insn_operand,
8052         two_insn_adds_subs_operand, small_call_insn_operand,
8053         jump_address_operand, bit_operand, bit_memory_operand,
8054         stack_pointer_operand, const_int_gt_2_operand,
8055         const_int_ge_8_operand, const_int_qi_operand,
8056         const_int_hi_operand, incdec_operand, bit_operator,
8057         nshift_operator, eqne_operator, gtle_operator,
8058         gtuleu_operator, iorxor_operator.
8059         Add prototypes for h8sx_shift_type h8sx_classify_shift and
8060         h8300_ldm_stm_parallel.
8061         * config/h8300/h8300.c (h8sx_shift_type,): Move to
8062         h8300-protos.h.
8063         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
8064         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
8065         (h8300_ldm_stm_parallel): Make it extern.
8066         (h8300_ldm_parallel, h8300_stm_parallel,
8067         h8300_return_parallel, general_operand_src,
8068         general_operand_dst, h8300_dst_operand, h8300_src_operand,
8069         nibble_operand, reg_or_nibble_operand, single_one_operand,
8070         single_zero_operand, call_insn_operand,
8071         two_insn_adds_subs_operand, small_call_insn_operand,
8072         jump_address_operand, bit_operand, bit_memory_operand,
8073         stack_pointer_operand, const_int_gt_2_operand,
8074         const_int_ge_8_operand, const_int_qi_operand,
8075         const_int_hi_operand, incdec_operand, eqne_operator,
8076         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
8077         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
8078         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
8079         nshift_operator): Move to predicates.md.
8080         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
8081         * config/h8300/h8300.md: Include predicates.md.
8082         * config/h8300/predicates.md: New.
8083
8084 2005-03-17  Richard Henderson  <rth@redhat.com>
8085
8086         * config.gcc (ia64*-*-hpux*): Add extra_options.
8087         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
8088         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
8089         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
8090         (ia64_tls_size_string, ia64_tune_string): Remove.
8091         (ia64_tune): Init to PROCESSOR_ITANIUM2.
8092         (TARGET_DEFAULT_TARGET_FLAGS): New.
8093         (TARGET_HANDLE_OPTION): New.
8094         (ia64_override_options): Move options parsing ...
8095         (ia64_handle_option): ... here.  New.
8096         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
8097         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
8098         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
8099         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
8100         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
8101         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
8102         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
8103         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
8104         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
8105         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
8106         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
8107         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
8108         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
8109         TARGET_EARLY_STOP_BITS): Remove.
8110         (TARGET_ILP32): Default false.
8111         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
8112         (enum ia64_inline_type): New.
8113         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
8114         * config/ia64/ia64.md: Update for new definitions of
8115         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
8116         * config/ia64/ia64.opt: New file.
8117         * config/ia64/ilp32.opt: New file.
8118
8119 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8120
8121         PR target/18380
8122         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
8123
8124 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
8125
8126         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
8127         instead of MASK_H8300S.
8128         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
8129         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
8130         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
8131         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
8132         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
8133         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
8134         TARGET_SWITCHES): Remove.
8135         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
8136         TARGET_H8300SX.
8137         * config/h8300/h8300.opt: New.
8138
8139         * config/alpha/alpha.opt, config/arc/arc.opt,
8140         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
8141         notices.
8142
8143 2005-03-17  Ian Lance Taylor  <ian@airs.com>
8144
8145         * gmon.c: Remove.
8146
8147 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
8148
8149         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
8150         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
8151         (TARGET_HANDLE_OPTION): Override default.
8152         (arc_handle_option): New function.
8153         (arc_init): Remove code to set arch_cpu_string.
8154         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
8155         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
8156         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
8157         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
8158         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
8159         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
8160         (arc_rodata_string, TARGET_OPTIONS): Delete.
8161         * config/arc/arc.opt: New file.
8162
8163 2005-03-17  Richard Henderson  <rth@redhat.com>
8164
8165         * doc/extend.texi (Weak Pragmas): New section.
8166         (attribute alias): Clarify that target must be in the same
8167         translation unit.
8168
8169 2005-03-17  Richard Henderson  <rth@redhat.com>
8170
8171         * config/alpha/alpha.opt: New file.
8172         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
8173         of alpha_cpu.
8174         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
8175         alpha_fprm_string, alpha_fptm_string): Make static.
8176         (alpha_tls_size_string): Remove.
8177         (alpha_handle_option): New.
8178         (override_options): Update for alpha_cpu/alpha_tune split.
8179         (alpha_file_start): Likewise.
8180         (TARGET_DEFAULT_TARGET_FLAGS): New.
8181         (TARGET_HANDLE_OPTION): New.
8182         * config/alpha/alpha.h (alpha_tune): Declare.
8183         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
8184         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
8185         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
8186         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
8187         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
8188         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
8189         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
8190         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
8191         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
8192         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
8193         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
8194         (TARGET_DEFAULT): Remove MASK_FP.
8195         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
8196         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
8197         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
8198         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
8199         alpha_tls_size_string): Remove.
8200         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
8201         (attribute tune): Rename from attribute cpu.
8202         * config/alpha/ev4.md: Update to match.
8203         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
8204         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
8205         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
8206         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
8207         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
8208         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
8209
8210 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
8211
8212         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
8213         and return without creating new state if before_nops_num is nonzero.
8214         * config/ia64/ia64.md (first_insn): New attribute.
8215         (alloc): Set it to yes.
8216
8217 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
8218
8219         * tree-vectorizer.c (new_vec_stmt_info): Initialize
8220         STMT_VINFO_SUBVARS to NULL.
8221         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
8222
8223 2005-03-16 Dale Johannesen  <dalej@apple.com>
8224
8225         * rtlanal.c (find_first_parameter_load):  Rewrite to
8226         return actual first param load or the call if none,
8227         instead of first in block, when not all loads exist.
8228
8229 2005-03-16  Roger Sayle  <roger@eyesopen.com>
8230
8231         * optabs.c (expand_copysign_absneg): Make static.
8232         * optabs.h (expand_copysign_absneg): Delete prototype.
8233         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
8234
8235 2005-03-16  Richard Henderson  <rth@redhat.com>
8236
8237         PR middle-end/15700
8238         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
8239         (alias_pairs): Rename from output_defs.
8240         (find_decl_and_mark_needed): Split out from assemble_alias.
8241         (do_assemble_alias): New.
8242         (assemble_output_def): Remove.
8243         (finish_aliases_1, finish_aliases_2): New.
8244         (process_pending_assemble_output_defs): Remove.
8245         (assemble_alias): Defer aliases for which we don't yet have a
8246         non-external decl for the target symbol.
8247         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
8248         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
8249         * toplev.c (compile_file): Use finish_aliases_2 instead of
8250         process_pending_assemble_output_defs.
8251         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
8252         (process_pending_assemble_output_defs): Remove.
8253
8254 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
8255
8256         Fix PR tree-optimization/20489
8257
8258         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
8259         for empty structures.
8260
8261 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
8262
8263         Fix PR tree-optimization/20490
8264
8265         * tree-ssa-pre.c (create_expression_by_pieces): Use
8266         force_gimple_operand on result of fold.
8267
8268 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
8269
8270         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
8271         of closing parenthesis.
8272
8273 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
8274
8275         * builtins.c (expand_movstr): Update a call to
8276         fold_builtin_strcpy.
8277         (expand_builtin_strncpy): Update a call to
8278         fold_builtin_strncpy.
8279         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
8280         arguments of CALL_EXPR.
8281         (fold_builtin_1): Update calls to fold_builtin_strcpy and
8282         fold_builtin_strncpy.
8283         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
8284         * tree.h: Update the prototypes of fold_builtin_strcpy and
8285         fold_builtin_strncpy.
8286
8287 2005-03-16  Steven Bosscher  <stevenb@suse.de>
8288             Dorit Naishlos  <dorit@il.ibm.com>
8289
8290         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
8291         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
8292         error.
8293
8294 2005-03-16  Steven Bosscher  <stevenb@suse.de>
8295
8296         * tree-inline.c (walk_type_fields, walk_tree,
8297         walk_tree_without_duplicates): Move from here...
8298         * tree.c: ...to here.
8299
8300 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
8301
8302         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
8303         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
8304         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
8305         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
8306         (version): Define using $(BASEVER_c).
8307         (Makefile, config.status, build/gcov-iov.o): No longer depends on
8308         version.c.
8309         (version.o): Depend on version files; add custom generation command.
8310         (prefix.o): Define BASEVER on command line.
8311         (s-iov): Depend on version files; adjust command.
8312         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
8313         Add gcc-vers.texi.
8314         (gcc-vers.texi): New rule.
8315         (doc/%.info, doc/%.dvi): Add -I . to command line.
8316         (doc/gccinstall.dvi): Likewise.
8317         (PACKAGE): Delete.  All uses replaced with "gcc".
8318         * aclocal.m4: Do not include gcc-version.m4.
8319         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
8320         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
8321         Set is_release based on contents of DEV-PHASE.
8322         Set gcc_version based on contents of BASE-VER.
8323         Define WIN32_REGISTRY_KEY only if the user overrode the default.
8324         * config.in, configure: Regenerate.
8325         * gccbug.in: Determine version of GCC in use at runtime.
8326         * gcov-iov.c: Get version number and development phase from
8327         command line, not by including version.c.
8328         * intl.c: Replace all uses of PACKAGE with "gcc".
8329         * libada-mk.in: Delete unused "gcc_version" variable.
8330         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
8331         * version.c: (VERSUFFIX): New hook for redistributors; adjust
8332         commentary to match.
8333         (version_string): Put together from pieces.
8334         * config/alpha/x-vms: Do not use $(gcc_version).
8335         * config/i386/t-nwld: Likewise.
8336         * doc/include/gcc-common.texi: Include gcc-vers.texi for
8337         version-GCC and DEVELOPMENT.
8338
8339 2005-03-15  Roger Sayle  <roger@eyesopen.com>
8340
8341         PR tree-optimization/17454
8342         * tree.c (tree_size): Add case for TREE_BINFO.
8343         * fold-const.c (fold_checksum_tree): Only clear the overloaded
8344         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
8345
8346 2005-03-15  Roger Sayle  <roger@eyesopen.com>
8347
8348         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
8349         op1 whilst expanding the signed widenening multiply variant.
8350
8351 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
8352
8353         * toplev.c (display_target_options): Avoid unused variable warning if
8354         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
8355         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
8356         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
8357         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
8358         (mips_isa_info): New variable.
8359         (mips_parse_cpu): Remove the first argument and leave the caller
8360         to report errors.
8361         (TARGET_HANDLE_OPTION): Override default.
8362         (mips_handle_option): New function.  Move option validation code from...
8363         (override_options): ...here.  Update calls to mips_parse_cpu.
8364         * config/mips/mips.h (mips_arch_string, mips_tune_string)
8365         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
8366         (SUBTARGET_TARGET_OPTIONS): Delete.
8367         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
8368         (mno-flush-func, mtune=): New options.
8369
8370 2005-03-15  Roger Sayle  <roger@eyesopen.com>
8371             Richard Henderson  <rth@redhat.com>
8372
8373         * real.c (c4x_single_format, c4x_extended_format): Provide values
8374         for signbit_ro for c4x's single and extended floating point formats.
8375         * optabs.c (expand_copysign): Use the floating point format's
8376         signbit_ro for expanding via expand_copysign_absneg, and it's
8377         signbit_rw field for expanding via expand_copysign_bit.
8378
8379 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
8380
8381         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
8382         known_alignment_for_access_p.
8383         (known_alignment_for_access_p): New.
8384         (do_peeling_for_alignment): Field made int instead of bool and renamed
8385         to peeling_for_alignment.
8386         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
8387         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
8388         functionality used to be in vect_analyze_operations.
8389         (vect_analyze_operations): Code to determine vectorization factor was
8390         moved to vect_determine_vectorization_factor.
8391         (vect_enhance_data_refs_alignment): Update to correct alignment when it
8392         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
8393         factor.
8394         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
8395         be part of vect_analyze_operations).
8396         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
8397         creating the guard condition, as the number of iterations may be
8398         constant.
8399         (slpeel_tree_peel_loop_to_edge): Use new name of
8400         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
8401         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
8402         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
8403         (vect_do_peeling_for_alignment): Use fold.
8404         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
8405
8406         (vect_update_inits_of_dr): Renamed to
8407         vect_update_init_of_dr.
8408         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
8409         (vectorizable_store): Fix assertion to use == instead of =.
8410
8411 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
8412
8413         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
8414         call_used_regs for wCG registers.
8415
8416 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
8417
8418         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
8419         for non-offsettable memory references to cope with outstanding reload
8420         replacements, take 2.
8421
8422 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
8423
8424         PR target/18668
8425         * config/i386/i386.h (x86_fisttp): New.
8426         (TARGET_FISTTP): New macro.
8427         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
8428         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
8429         instruction when fisttp flag is set.
8430         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
8431
8432         * config/i386/i386.md (type attribute): Add fisttp.
8433         (unit attribute): Set to i387 for fisttp type.
8434         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
8435         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
8436         TARGET_FISTTP.
8437         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
8438         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
8439         macros.
8440         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
8441         patterns for TARGET_FISTTP.  Enable patterns for
8442         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
8443         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
8444         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
8445         implement fisttp x87 insn.
8446         (fix_trunc*_i387_fisttp splitters): New patterns.
8447         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
8448         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
8449         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
8450         clobber.
8451         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
8452         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
8453         Implement using mode macros. Disable patterns for TARGET_FISTTP.
8454         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
8455         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
8456         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
8457         Disable patterns for TARGET_FISTTP.
8458         (fix_trunc*_i387 splitters): Implement usign mode macros.
8459         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
8460         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
8461         (fix_trunx*_sse peephole2s): Implement using mode macros.
8462
8463 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
8464
8465         PR rtl-optimization/20291
8466         * combine.c (try_combine): If splitting fails, re-try with
8467         original combined pattern, i.e. before clobber stripping.
8468
8469 2005-03-14  Eric Christopher  <echristo@redhat.com>
8470
8471         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
8472         STACK_GROWS_DOWNWARD.
8473
8474 2005-03-14  Roger Sayle  <roger@eyesopen.com>
8475
8476         * real.h (struct real_format): Split the signbit field into two
8477         two fields, signbit_ro and signbit_rw.
8478         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
8479         mips_double_format, ieee_extended_motorola_format,
8480         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
8481         ieee_extended_intel_128_format, ibm_extended_format,
8482         mips_extended_format, ieee_quad_format, mips_quad_format,
8483         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
8484         i370_double_format, c4x_single_format, c4x_extended_format,
8485         real_internal_format): Update initializers for new field.
8486         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
8487         real_format structure.
8488         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
8489         field of the real_format structure.
8490
8491 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
8492
8493         Fix PR tree-optimization/20458
8494
8495         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
8496         DECL_EXTERNAL on STRUCT_FIELD tags.
8497         (clear_call_clobbered): Ditto.
8498         * tree-ssa-operands.c (note_addressable): Make sure the original
8499         variable doesn't slip into the addressable list if we have
8500         subvars.
8501         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
8502         tags too.
8503
8504 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
8505
8506         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
8507         (-fwide-exec-charset): Likewise.
8508         (-finput-charset): Likewise.
8509         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
8510         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
8511         * c.opt (Wnormalized): New.
8512
8513 2005-03-14  Devang Patel  <dpatel@apple.com>
8514
8515         * doc/invoke.texi: Add reference to Visibility document.
8516
8517 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
8518
8519         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
8520         MASK_SPLIT_ADDRESSES.
8521         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
8522         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
8523         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
8524         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
8525         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
8526         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
8527         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
8528         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
8529         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
8530         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
8531         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
8532         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
8533         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
8534         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
8535         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
8536         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
8537         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
8538         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
8539         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
8540         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
8541         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
8542         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
8543         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
8544         (TARGET_EXPLICIT_RELOCS): Delete.
8545         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
8546         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
8547         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
8548         (override_options): Set MASK_LONG64 if -mint64 is given and no
8549         -mlongXX option is.  Complain about -mint64 -mlong32.
8550         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
8551         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
8552         * config/mips/mips.opt: New file.
8553
8554 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
8555
8556         * config.gcc (extra_options): New variable for listing option files.
8557         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
8558         * configure.ac (extra_opt_files): New AC_SUBST variable.
8559         (tm_file_list, tm_include_list): Include options.h first.
8560         * configure: Regenerate.
8561         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
8562         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
8563         (s-options-h): New rule.
8564         (options.h): Depend on it.
8565         (TEXI_GCCINT_FILES): Add options.texi.
8566         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
8567         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
8568         * target.h (gcc_target): Add default_target_flags and handle_option.
8569         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
8570         (TARGET_HANDLE_OPTION): New macros.
8571         (TARGET_INITIALIZER): Include them.
8572         * opt-functions.awk (opt_args, nth_arg): New functions.
8573         (switch_flags): Handle the "Target" flag.
8574         (var_args): Delete.
8575         (var_name): Use opt_args and nth_arg.
8576         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
8577         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
8578         macros for the "Mask" and "InverseMask" options.
8579         * opts.h (cl_var_cond): New enum.
8580         (cl_option): Replace the "has_set_value" and "set_value" fields with
8581         "var_cond" and "var_value".
8582         (CL_TARGET): New macro.
8583         (option_enabled, print_filtered_help): Declare.
8584         (decode_options): Move definition.
8585         * opts.c (handle_option): Search for the original option before
8586         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
8587         var_cond and var_value fields.  Use targetm.handle_option to handle
8588         target options.
8589         (decode_options): Set target_flags to targetm.default_target_flags.
8590         (print_filtered_help): Make global.  Handle CL_TARGET.
8591         (option_enabled): New function.
8592         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
8593         (display_target_options, set_target_switch, print_switch_values)
8594         (default_pch_valid_p): Guard uses of target_switches with
8595         #ifdef TARGET_SWITCHES.  Also...
8596         (display_target_options): Display the CL_TARGET entries in cl_options.
8597         (set_target_option): Don't complain about the "" option when
8598         TARGET_SWITCHES is undefined.
8599         (print_switch_values): Use option_enabled.
8600         (default_pch_valid_p): Check cl_options[] when looking for something
8601         that has changed the value of target_flags.
8602         * c.opt: Remove documentation from top of file.
8603         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
8604         * doc/sourecebuild.texi: Refer to the new options documentation
8605         instead of c.opt.  Document machine-specific .opt files.
8606         * doc/tm.texi (target_flags): Say that this variable is declared
8607         by options.h.
8608         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
8609         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
8610         an alternative.
8611         * doc/options.texi: New file.
8612
8613 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
8614
8615         PR middle-end/18628
8616         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
8617         register.
8618
8619 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
8620
8621         PR c++/20280
8622         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
8623         temporary variable of pointer type if an lvalues is required.
8624         (gimplify_modify_expr_rhs): Request an rvalue from it.
8625         (gimplify_expr): Pass fallback on.
8626
8627 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8628
8629         * cfgbuild.c: Update comments.
8630
8631 2005-03-14  Roger Sayle  <roger@eyesopen.com>
8632
8633         PR rtl-optimization/17236
8634         * optabs.c (expand_doubleword_mult): New helper function split out
8635         from expand_binop.  Permute the order in which instructions are
8636         emitted to minimize the number of simultaneously live registers.
8637         (expand_binop): Call expand_doubleword_mult to synthesize a double
8638         word multiplication.
8639
8640 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8641
8642         * basic-block.h: Update the prototypes of cached_make_edge and
8643         rtl_make_eh_edge.
8644         * cfg.c (cached_make_edge): Take edge_cache representing one
8645         row of the adjacency matrix of edges.
8646         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
8647         (make_edges): Initialize edge_cache to represent one row of
8648         the adjacency matrix of edges.
8649
8650 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8651
8652         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
8653         New functions.
8654         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
8655         Remove unused removed_phis variable.
8656         (conditional_replacement): Use build1/build2.
8657         (abs_replacement): Use last_and_only_stmt and build1/build2.
8658
8659 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8660
8661         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
8662         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
8663         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
8664         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
8665         * c-common.c (handle_novops_attribute): New function.
8666         (c_common_attribute_table): Add "no vops" entry.
8667         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
8668         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
8669         * tree-ssa-operands.c (get_call_expr_operands): Do not
8670         create virtual operands for calls with ECF_NOVOPS flag.
8671         * tree.h (DECL_IS_NOVOPS): New macro.
8672         (struct tree_decl): Add novops_flag.
8673         (ECF_NOVOPS): New constant.
8674
8675 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
8676
8677         PR target/17688
8678         * config/i386/i386.c (x86_use_himode_fiop): New.
8679         (x86_use_simode_fiop): Rename from x86_use_fiop.
8680         * config/i386/i386.h (x86_use_himode_fiop): Declare.
8681         (TARGET_USE_HIMODE_FIOP): New.
8682         (x86_use_simode_fiop): Rename from x86_use_fiop.
8683         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
8684
8685         * config/i386/i386.md (X87MODEI12): New mode macro define.
8686         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
8687         to implement x87 FP compare with HImode input operands.
8688         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
8689         Use X87MODEI12 mode macro to handle HImode input operands.
8690         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
8691         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
8692         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
8693         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
8694         macro to implement x87 operators with HImode input operands.
8695         (fop splitters): Use X87MODEI12 mode macro to handle HImode
8696         input operands.
8697
8698 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8699
8700         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
8701         integer_zerop.
8702         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
8703         constants invariant.
8704
8705 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8706
8707         * basic-block.h (BB_VISITED): Removed.
8708         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
8709
8710 2005-03-14  Falk Hueffner  <falk@debian.org>
8711
8712         PR bootstrap/20424
8713         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
8714
8715 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8716
8717         * ggc-zone.c: Fix comment typos.
8718
8719         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
8720         stringpool.c, config/mips/mips-protos.h: Update copyright.
8721
8722 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
8723
8724         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
8725         throughout with its typedef, "rtx".
8726         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
8727         (rs6000_tls_symbol_ref_1): Remove inline keyword.
8728         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
8729         regs in comment to match code.
8730
8731 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8732
8733         * except.c (check_handled): Make it static.
8734         * except.h: Remove the corresponding prototype.
8735
8736         * function.c (get_func_frame_size): Make it static.
8737         * function.h: Remove the corresponding type.
8738
8739         * regclass.c (reg_class_superclasses, reg_class_subclasses):
8740         Make them static.
8741         * hard-reg-set.h: Remove the corresponding declarations.
8742
8743         * tree-cfg.c (verify_stmts): Check that
8744         bb_for_stmt (stmt) == bb for every PHI node and statement.
8745
8746 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
8747
8748         * config.gcc: Remove excess indentation.
8749         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
8750
8751 2005-03-13  Roger Sayle  <roger@eyesopen.com>
8752
8753         PR middle-end/19331
8754         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
8755         * fold-const.c (fold_sign_changed_comparison): Likewise.
8756         (fold_binary): Optimize comparisons against widened operands if
8757         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
8758
8759 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8760
8761         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
8762         (sparc_override_options): Initialize it.
8763         (sparc_struct_value_rtx): Set it on the MEM to be returned.
8764
8765 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
8766
8767         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
8768         (reg_or_none500mem_operand): New predicate.
8769         (zero_reg_mem_operand): New predicate.
8770         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
8771         to reg_or_none500mem_operand.
8772         (extendsfdf2_fpr): Add MEM alternative.
8773         (extenddftf2_internal): Change operand2 predicate to
8774         zero_reg_mem_operand.
8775
8776 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8777
8778         * ggc-zone.c: Rewritten.
8779
8780         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
8781         if there are none.
8782         * configure.ac: Define GGC_ZONE for --with-gc=zone.
8783         * config.in: Regenerated.
8784         * configure: Regenerated.
8785         * gengtype.c (write_types_process_field, write_func_for_structure):
8786         Pass new argument to gt_pch_note_object.
8787         * ggc-common.c (struct ptr_data): Add TYPE.
8788         (gt_pch_note_object): Take TYPE argument and save it.
8789         (call_count): Update call to ggc_pch_count_object.
8790         (call_alloc): Update call to ggc_pch_alloc_object.
8791         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
8792         file.
8793         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
8794         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
8795         (ggc_alloc_zone_stat): Delete.
8796         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
8797         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
8798         (ggc_pch_alloc_object): Update prototypes.
8799         (garbage_zone): Delete.
8800         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
8801         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
8802         pointers.
8803         (tree_id_zone): New variable.
8804         (ggc_alloc_cleared_zone): Remove unused.
8805         (ggc_alloc_zone): Define.
8806         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
8807         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
8808         ggc_alloc_zone_stat.
8809         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
8810         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
8811         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
8812         (make_node_stat): Likewise.  Use tree_id_zone.
8813
8814 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8815             Joseph S. Myers  <joseph@codesourcery.com>
8816
8817         * configure.ac: Check for MIPS TLS.
8818         * configure: Regenerated.
8819         * config/mips/mips-protos.h (enum mips_symbol_type): Add
8820         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
8821         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
8822         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
8823         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
8824         (mips_classify_symbol, mips_symbolic_constant_p)
8825         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
8826         (mips_tls_operand_p, mips_call_tls_get_addr)
8827         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
8828         (mips_tls_symbol_ref_1): New functions.
8829         (mips_legitimize_address, mips_legitimize_const_move): Call
8830         mips_legitimize_tls_address.
8831         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
8832         for MIPS16.
8833         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
8834         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
8835         (mips_char_to_class): Document V1_REG.
8836         (HAVE_AS_TLS): Provide default.
8837         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
8838         constants.
8839         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
8840         !TARGET_ABICALLS.
8841         (tls_get_tp_<mode>): New instruction.
8842
8843 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8844
8845         * configure.ac: Update checks for target tools.
8846         * configure: Regenerated.
8847
8848 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8849
8850         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
8851
8852 2005-03-13  Roger Sayle  <roger@eyesopen.com>
8853
8854         * expmed.c (expand_mult): Use synthetic multiplication sequences for
8855         more classes of DImode multiplication by constant.  Allow both
8856         multiplication by small negative constants (by performing a
8857         multiplication by a positive constant and negating the result) and
8858         multiplications by large powers of two, by using a left shift.
8859
8860 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
8861
8862         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
8863         of basic blocks into work_stack.
8864
8865         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
8866         config/mips/vr.h: Update copyright.
8867
8868         * c-decl.c (c_init_decl_processing): Remove useless calls to
8869         build_function_type.
8870
8871         * builtins.c (fold_trunc_transparent_mathfn,
8872         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
8873         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
8874         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
8875         fold_builtin_strcpy, fold_builtin_strncpy,
8876         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
8877         TREE_TYPE (exp).
8878
8879         * builtins.c (expand_builtin_mathfn_3): Remove local variable
8880         before_call.
8881
8882         * lambda-code.c (lambda_compute_auxillary_space): Remove local
8883         variable determinant.
8884
8885         * tree-cfg.c (group_case_labels): Remove local variable type.
8886
8887         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
8888         variable ann.
8889
8890         * tree-ssa-phiopt.c (value_replacement): Remove local variable
8891         result.
8892
8893 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
8894
8895         PR target/18251
8896         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
8897         (*movmemqi_insn): Delete.
8898         (*movmemhi): Delete.
8899
8900 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
8901
8902         * builtins.c (fold_builtin_classify): Take decomposed
8903         arguments of CALL_EXPR.
8904         (fold_builtin_1): Update a call to fold_builtin_classify.
8905
8906 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
8907
8908         PR c/20402
8909         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
8910         through into call to parser_xref_tag after parse error.
8911         (c_parser_struct_declaration): Consistently return NULL_TREE on
8912         error.
8913
8914 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
8915
8916         * tree-flow-inline.h (ref_contains_array_ref): New function.
8917         (lookup_subvars_for_var): Ditto.
8918         (get_subvars_for_var): Ditto.
8919         (var_can_have_subvars): Ditto.
8920
8921         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
8922         (struct subvar): New type.
8923
8924         * tree-dfa.c (okay_component_ref_for_subvars): New function.
8925
8926         * tree-optimize.c (init_tree_optimization_passes): Call
8927         pass_create_structure_vars.
8928
8929         * tree-ssa-alias.c: Include vec.h.
8930         (init_alias_info): Don't auto-clear call clobbered on struct-field
8931         tags.
8932         (compute_flow_insensitive_aliasing): Handle subvars.
8933         (group_aliases): Handle STRUCT_FIELD aliases.
8934         (setup_pointers_and_addressables): Ditto.
8935         Don't mark variables non-addressable if they still have
8936         addressable subvars.
8937         Also mark subvars addressable when the real variable is marked
8938         addressable.
8939         (add_pointed_to_var): Try to prune the pointed-to set by only
8940         pointing to subvars when possible.
8941         Otherwise, make sure we set addresses_needed and pt_vars to
8942         properly include subvars.
8943         (bitpos_of_field): New function.
8944         (push_fields_onto_fieldstack): Ditto.
8945         (get_or_create_used_part_for): Ditto.
8946         (create_overlap_variables_for): Ditto.
8947         (find_used_portions): Ditto.
8948         (create_structure_vars): Ditto.
8949         (pass_create_structure_vars): New structure.
8950
8951         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
8952         (get_expr_operands): Handle subvars.  Also try to turn
8953         COMPONENT_REF accesses into must-defs now that we can accurately
8954         portray it.
8955         (note_addressable): Try to only mark as addressable those subvars
8956         we know a COMPONENT_REF touches.
8957         (overlap_subvar): New function.
8958
8959         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
8960         Handle subvar storing.
8961         (vect_address_analysis): Update caller of vect_object_analysis.
8962
8963         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
8964
8965         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
8966         (STMT_VINFO_SUBVARS): New macro.
8967
8968         * common.opts: add flag_tree_salias.
8969
8970         * opts.c (decode_options): flag_tree_salias defaults to on.
8971
8972         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
8973
8974         * doc/tree-ssa.texi: Document structural alias analysis.
8975
8976 2005-03-12  Steven Bosscher  <stevenb@suse.de>
8977
8978         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
8979         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
8980         * tree-ssa-operands.c (get_expr_operands): Likewise.
8981         (get_expr_operands): Likewise for ERROR_MARK.
8982
8983 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
8984
8985         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
8986         var.
8987
8988         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
8989         removed_phis.
8990
8991         * tree-ssa-pre.c (compute_avail): Remove local variable val.
8992         (mark_operand_necessary): Remove local variable ver.
8993
8994         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
8995         variable prefix_len.
8996
8997         * value-prof.c (mod_subtract_transform): Remove local variable
8998         value.
8999
9000         * builtins.c (fold_builtin_exponent): Take decomposed
9001         arguments of CALL_EXPR.
9002         (fold_builtin_1): Update a call to fold_builtin_exponent.
9003
9004         * builtins.c (fold_builtin_logarithm): Take decomposed
9005         arguments of CALL_EXPR.
9006         (fold_builtin_1): Update a call to fold_builtin_logarithm.
9007
9008         * c-decl.c (c_init_decl_processing): Remove local variables
9009         ptr_ftype_void and ptr_ftype_ptr.
9010
9011         * gimplify.c (gimplify_expr): Remove local variables r0 and
9012         r1.
9013
9014         * reg-stack.c (move_for_stack_reg): Remove local variable
9015         push_insn.
9016         (compare_for_stack_reg): Remove local variable flags_user.
9017         (convert_regs_1): Remove local variable deleted.
9018
9019         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
9020         variable new_cond.
9021         (combine_blocks): Remove local variables exits and new_e.
9022
9023         * tree-inline.c (expand_call_inline): Remove local variable
9024         decl.
9025
9026         * tree-ssa-live.c (create_ssa_var_map,
9027         calculate_live_on_entry): Remove local variable snn.
9028
9029 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
9030
9031         * c-lex.c (c_lex_with_flags): Add parameter to call to
9032         cpp_spell_token.
9033
9034 2005-03-11  Per Bothner  <per@bothner.com>
9035
9036         * c-tree.h (struct c_declarator): New id_loc field.
9037         * c-pragma.h (c_lex_with_flags): Take position reference.
9038         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
9039         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
9040         (c_lex): Pass dummy location to c_lex_with_flags.
9041         * c-parser.c (c_lex_one_token): Set c_token's location using
9042         c_lex_with_flags, instead of input_location, which might be "ahead".
9043         (c_parser_direct_declarator): Set declarator's id_loc from
9044         c_token's id_loc.
9045         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
9046         declarator's id_loc, rather than probably-imprecise input_location.
9047         (build_id_declarator): Initialize c_declarator's id_loc field.
9048
9049 2005-03-11  Roger Sayle  <roger@eyesopen.com>
9050
9051         PR middle-end/20419
9052         * builtins.c (expand_builtin_signbit): Force the signbit's word
9053         into an integer register to avoid SUBREGs of floating point modes.
9054
9055 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
9056
9057         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
9058         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
9059         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
9060         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
9061
9062 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
9063
9064         PR rtl-optimization/20306
9065         * expr.c (emit_move_complex): Set try_int false if mode is
9066         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
9067         emit_block_move if try_int is true.
9068
9069 2005-03-11  Richard Henderson  <rth@redhat.com>
9070
9071         PR target/20415
9072         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
9073         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
9074         to match.
9075
9076 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
9077
9078         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
9079         (TARGET_FIX_VR4130): New macro.
9080         (TARGET_OPTIONS): Add -mfix-vr4130.
9081         (ISA_HAS_MACCHI): New macro.
9082         (ASM_SPEC): Add -mfix-vr4130.
9083         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
9084         (override_options): Handle mips_fix_vr4130_string.
9085         (mips_avoid_hazards): Clear all_noreorder_p
9086         if we're working around VR4130 errata and the macc alternatives
9087         are not available.
9088         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
9089         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
9090         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
9091         (MULTILIB_DEFAULTS): Remove leading "march=".
9092         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
9093         if no architecture option is given.
9094         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
9095         VR4130 multilibs.
9096         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
9097         * doc/invoke.texi: Document -mfix-vr4130.
9098
9099 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
9100
9101         * config/mips/mips.c (override_options): Only warn about -mint64
9102         deprecation if TARGET_INT64.
9103
9104 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9105
9106         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
9107         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
9108         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
9109         are non-specific regarding the nonnull parameter positions.
9110         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
9111         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
9112         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
9113         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
9114
9115         * builtins.def: Use the non-specific "nonnull" attibute lists.
9116
9117 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
9118
9119         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
9120         single_pred_edge, single_succ, single_pred): Improve comments.
9121
9122 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
9123
9124         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
9125         single_pred_edge, single_succ, single_pred): New inline functions.
9126         * bb-reorder.c (rotate_loop, find_traces_1_round,
9127         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
9128         duplicate_computed_gotos): Use the single_succ/pred functions.
9129         * cfganal.c (forwarder_block_p): Ditto.
9130         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
9131         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
9132         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
9133         merge_seq_blocks): Ditto.
9134         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
9135         * cfglayout.c (fixup_reorder_chain): Ditto.
9136         * cfgloop.c (mark_single_exit_loops, update_latch_info,
9137         canonicalize_loop_headers, verify_loop_structure): Ditto.
9138         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
9139         mfb_update_loops, create_preheader, force_single_succ_latches,
9140         create_loop_notes): Ditto.
9141         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
9142         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
9143         commit_one_edge_insertion, purge_dead_edges,
9144         cfg_layout_can_merge_blocks_p): Ditto.
9145         * except.c (sjlj_emit_function_enter): Ditto.
9146         * flow.c (init_propagate_block_info): Ditto.
9147         * function.c (thread_prologue_and_epilogue_insns): Ditto.
9148         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
9149         insert_insn_end_bb): Ditto.
9150         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
9151         find_if_case_2): Ditto.
9152         * lambda-code.c (perfect_nestify): Ditto.
9153         * lcm.c (optimize_mode_switching): Ditto.
9154         * loop-doloop.c (doloop_modify): Ditto.
9155         * loop-init.c (loop_optimizer_init): Ditto.
9156         * loop-iv.c (simplify_using_initial_values): Ditto.
9157         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
9158         * loop-unswitch.c (unswitch_loop): Ditto.
9159         * modulo-sched.c (generate_prolog_epilog): Ditto.
9160         * predict.c (combine_predictions_for_insn, estimate_probability,
9161         tree_estimate_probability, last_basic_block_p,
9162         estimate_bb_frequencies): Ditto.
9163         * profile.c (branch_prob): Ditto.
9164         * regrename.c (copyprop_hardreg_forward): Ditto.
9165         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
9166         * tracer.c (layout_superblocks): Ditto.
9167         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
9168         cfg_remove_useless_stmts_bb, cleanup_control_flow,
9169         cleanup_control_expr_graph, disband_implicit_edges,
9170         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
9171         tree_verify_flow_info, tree_make_forwarder_block,
9172         tree_forwarder_block_p, remove_forwarder_block,
9173         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
9174         * tree-if-conv.c (tree_if_conversion): Ditto.
9175         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
9176         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
9177         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
9178         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
9179         copy_loop_headers): Ditto.
9180         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
9181         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
9182         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
9183         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
9184         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
9185         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
9186         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
9187         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
9188         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
9189         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
9190         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
9191         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
9192         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
9193         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
9194         slpeel_add_loop_guard): Ditto.
9195
9196 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
9197
9198         PR tree-optimization/15784
9199         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
9200         and -1 - A to ~A.
9201
9202         * stmt.c (expand_case): Don't change index_type.  Convert minval
9203         to the proper type.
9204
9205         PR tree-optimization/20130
9206         * fold-const.c (fold): Fold x * -1 into -x.
9207
9208 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
9209
9210         PR rtl-optimization/20331
9211         * rtlanal.c (modified_between_p): Check its address first for MEM.
9212         (modified_in_p): Likewise.
9213
9214 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
9215
9216         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
9217
9218 2005-03-10  Steven Bosscher  <stevenb@suse.de>
9219
9220         * expr.c (expand_expr_real_1): If possible, use a conditional
9221         move for expanding MIN_EXPR and MAX_EXPR.
9222         Use temp for moving around rtx-en.
9223
9224 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
9225
9226         PR rtl-opt/20412
9227         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
9228         correct mode.
9229
9230 2005-03-10  Roger Sayle  <roger@eyesopen.com>
9231
9232         * builtins.c (expand_builtin_signbit): Extend to handle floating
9233         point modes wider than the largest integer type, using the
9234         operand_subword_force function to obtain the signbit's word.
9235
9236 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
9237
9238         PR target/20322
9239         * combine.c (try_combine): If recog_for_combine added CLOBBERs
9240         to NEWI2PAT, fail to combine if they are used by NEWPAT.
9241
9242 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
9243
9244         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
9245
9246 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
9247
9248         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
9249         type void.
9250         (perform_edge_inserts): Unconditionally call
9251         free_dominator_info.
9252
9253         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
9254
9255 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
9256
9257         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
9258
9259 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
9260
9261         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
9262
9263         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
9264         gcc_unreachable.
9265         (rtl_register_value_prof_hooks,
9266         tree_value_profile_transformations,
9267         tree_register_value_prof_hooks): Likewise.
9268         * var-tracking.c (stack_adjust_offset_pre_post,
9269         variable_htab_free, variable_union, dataflow_set_different_2,
9270         count_uses, variable_was_changed, set_frame_base_location,
9271         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
9272         vt_add_function_parameters): Likewise.
9273         * varasm.c (named_section_real, named_section, make_decl_rtl,
9274         asm_emit_uninitialised, assemble_integer, decode_addr_const,
9275         const_hash_1, compare_constant, copy_constant, force_const_mem,
9276         output_constant_pool_2, output_constant_pool_1, output_constant,
9277         output_constructor, make_decl_one_only, decl_tls_model,
9278         default_no_named_section, default_elf_select_section_1,
9279         default_unique_section_1): Likewise.
9280         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
9281         * vmsdbgout.c (addr_const_to_string): Likewise.
9282
9283         PR c++/20375
9284         * function.c (struct assign_parm_data_one): Remove last_named
9285         field.
9286         (assign_parm_find_data_types): Don't determine last_named.
9287         Reorder named_parm determination.
9288         (assign_parms): Only setup varargs on the last non-varadic
9289         parameter.
9290
9291 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
9292
9293         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
9294         sda base address on medium model.
9295
9296 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
9297
9298         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
9299         * cfgloop.c (flow_loop_nodes_find): Export.
9300         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
9301         Declare.
9302         * cfgloopmanip.c (fix_loop_structure): New function.
9303         * predict.c (predict_loops): Clean up the loops information.
9304         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
9305         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
9306         loop structure.
9307         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
9308         (rewrite_into_loop_closed_ssa): Declaration changed.
9309         * tree-loop-linear.c (linear_transform_loops): Add argument to
9310         rewrite_into_loop_closed_ssa call.
9311         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9312         * tree-ssa-loop-im.c (move_computations): Ditto.
9313         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9314         * tree-vectorizer.c (vectorize_loops): Ditto.
9315         * tree-optimize.c: Include cfgloop.h.
9316         (execute_todo): Choose whether to call cleanup_tree_cfg or
9317         cleanup_tree_cfg_loop.
9318         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
9319         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
9320         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
9321         cleanup_tree_cfg_loop call.
9322         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
9323         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
9324         work on part of cfg.
9325
9326 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
9327
9328         PR inline-asm/20314
9329         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
9330         with multiple alternatives.
9331
9332         * stmt.c (parse_output_constraint): Fix a typo.
9333
9334 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
9335
9336         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
9337         assembly directive instead of deprecated "no-generics".
9338
9339 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
9340
9341         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
9342         for non-offsettable memory references to cope with outstanding reload
9343         replacements.
9344         * config/s390/s390.md ("reload_outti"): Call find_replacement to
9345         avoid losing outstanding address reloads.
9346         ("reload_outdi", "reload_outdf"): Likewise.
9347
9348 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9349
9350         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
9351         code.  Add more cbrt transformations.
9352
9353 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9354
9355         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
9356
9357 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
9358
9359         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
9360         NULL_TREE when a given tree is not simplified.
9361         (fold): Return the original tree when any of the functions
9362         mentioned above NULL_TREE.
9363
9364         * fold-const.c (fold_unary, fold_binary): Take decomposed
9365         arguments, code, type, op0, and op1 in case of fold_binary.
9366         (fold): Update calls to fold_unary and fold_binary.
9367
9368 2005-03-09  Roger Sayle  <roger@eyesopen.com>
9369
9370         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
9371         a fndecl and an arglist instead of a CALL_EXPR, exp.
9372
9373 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
9374
9375         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
9376
9377         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
9378
9379         * expr.c (expand_assignment): Remove orig_to_rtx.
9380
9381         * fold-const.c (int_const_binop): Remove no_overflow.
9382
9383         * ifcvt.c (noce_emit_move_insn): Remove inmode.
9384
9385         * loop-iv.c (get_biv_step_1): Remove lhs.
9386
9387         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
9388
9389         * real.c (real_nan): Remove neg.
9390
9391         * function.c (thread_prologue_and_epilogue_insns): Remove i
9392         and newinsn.
9393
9394         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
9395         tb.
9396
9397         * tree-eh.c (tree_could_trap_p): Remove idx.
9398
9399         * tree-into-ssa.c (ann): Remove ann.
9400
9401         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
9402
9403         * tree-sra.c (decide_block_copy): Remove inst_count.
9404
9405         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
9406
9407         * tree-ssa-loop-im.c (lhs): Remove.
9408
9409         * cfgbuild.c (state, STATE, SET_STATE,
9410         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
9411         make_edges.
9412         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
9413         (find_basic_blocks): Set the state of each basic block to
9414         BLOCK_NEW.
9415
9416 2005-03-08  Jeff Law  <law@redhat.com>
9417
9418         * tree-cfg.c (cleanup_control_flow): If removal of a computed
9419         goto results in the removal of edges in the CFG, then we need
9420         to recompute dominators.
9421
9422 2005-03-09  Ben Elliston  <bje@au.ibm.com>
9423
9424         * c-common.c (c_do_switch_warnings): Comment fix.
9425
9426 2005-03-08  Julian Brown  <julian@codesourcery.com>
9427
9428         * Patch from 2005-03-08 reverted for causing regressions and
9429         ppc-darwin bootstrap failure.
9430
9431 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
9432
9433         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
9434         Define the real function for ppc-darwin.
9435         * c-typeck.c (convert_arguments): Check for target-specific
9436         invalid argument call to unprototyped function.
9437         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
9438         New Macro.
9439         * target.h (invalid_arg_for_unprototyped_fn): New field
9440         in struct calls.
9441         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
9442         default target hook.
9443         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
9444         Declare.
9445
9446 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9447
9448         * c-typeck.c (constructor_stack, constructor_range_stack,
9449         initializer_stack): Make them static.
9450
9451         * cfg.c (rbi_pool): Make it static.
9452
9453         * gimple-low.c (lower_stmt_body): Make it static.
9454         * tree-flow.h: Remove the corresponding prototype.  Don't
9455         declare lower_data.
9456
9457         * sched-deps.c (cache_size): Make it static.
9458
9459         * stor-layout.c (lang_adjust_rli): Make it static.
9460
9461 2005-03-08  Julian Brown  <julian@codesourcery.com>
9462
9463         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
9464         from being used for symbols with vague linkage when
9465         HAVE_GAS_COMDAT_GROUP is true.
9466
9467 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
9468
9469         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
9470         nlabel == JUMP_LABEL (jump).
9471
9472 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9473
9474         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
9475         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
9476         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
9477         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
9478
9479 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
9480
9481         PR c/14411
9482         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
9483         * c-common.c (handle_returns_twice): New function.
9484         (c_common_attribute_table): Declare eturns_twice' attribute.
9485         * doc/extend.texi: Document eturns_twice' attribute.
9486         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
9487         (struct tree_decl): Add returns_twice_flag.
9488
9489 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9490
9491         * tree-ssa-phiopt.c: Fix a comment typo.
9492
9493         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
9494         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
9495         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
9496         copyright.
9497
9498 2005-03-08  Richard Henderson  <rth@redhat.com>
9499
9500         * config/alpha/alpha.c (code_for_builtin): Replace special-case
9501         builtin codes with ctzdi2, clzdi2, popcountdi2.
9502         (struct alpha_builtin_def): Add is_const.
9503         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
9504         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
9505         (alpha_init_builtins): Init them.  Set nothrow and const attributes
9506         on builtins.
9507         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
9508         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
9509         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
9510         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
9511         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
9512         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
9513         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
9514         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
9515         (TARGET_FOLD_BUILTIN): New.
9516         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
9517         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
9518         (ffsdi2): Use ctz.
9519         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
9520
9521 2005-03-08  Ira Rosen  <irar@il.ibm.com>
9522
9523         PR tree-optimization/20122
9524         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
9525         condition of access function instead of base.
9526
9527 2005-03-07  Jeff Law  <law@redhat.com>
9528             Steven Bosscher  <stevenb@suse.de>
9529
9530         * tree-cfg.c (find_taken_edge_computed_goto): New function.
9531         (find_taken_edge): Call find_taken_edge_computed_goto as
9532         appropriate.  Allow any gimple invariant rather than just
9533         INTEGER_CST for VAL.
9534         (cleanup_control_flow): Cleanup a computed goto which has turned
9535         into a simple goto.
9536         (tree_merge_blocks): If block B has any forced labels, move
9537         them to the start of block A.
9538         * tree-ssa-dom.c (thread_across_edge): Allow threading across
9539         computed gotos as well.
9540         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
9541         removal of unnecessary computed gotos too.
9542         (lookup_redirection_data): Fix type of INSERT argument.  Callers
9543         updated.
9544
9545 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9546
9547         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
9548         Remove trailing spaces.
9549
9550         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
9551         unshare_all_trees): Make them static.
9552         * tree-gimple.h: Remove the corresponding prototypes.
9553
9554         * diagnostic.h: Remove unused prototype
9555         debug_output_buffer.
9556         * modulo-sched.c: Remove unused prototype
9557         set_row_column_for_ps.
9558
9559         * tree-ssa-phiopt.c (tree_ssa_phiopt,
9560         replace_phi_edge_with_variable): Remove unused variable i.
9561
9562 2005-03-07  Per Bothner  <per@bothner.com>
9563
9564         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
9565
9566 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
9567
9568         PR tree-opt/17671
9569         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
9570         bbs on the COND_EXPR instead of the PHI_NODEs.
9571         (candidate_bb_for_phi_optimization): Remove.
9572         (replace_phi_with_stmt): Rename to ...
9573         (replace_phi_edge_with_variable): this and change so that we
9574         replace the phi argument instead of removing the PHI.
9575         (conditional_replacement): Change so we deal with PHI with more
9576         than two arguments.
9577         (value_replacement): Likewise.
9578         (abs_replacement): Likewise.
9579
9580 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
9581
9582         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
9583         output_e500_flip_gt_bit.
9584
9585         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
9586         as bit 31.
9587         (rs6000_generate_compare): Fix logic to look at the correct bits.
9588         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
9589         Look at GT bit.
9590         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
9591         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
9592         gen_move_from_CR_gt_bit.
9593
9594         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
9595         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
9596         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
9597
9598         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
9599         (E500_CR_IOR_COMPARE): New constant.
9600
9601 2005-03-08  Earl Chew <earl_chew@agilent.com>
9602             David Billinghurst <David.Billinghurst@riotinto.com>
9603
9604         * config/i386/host-cygwin.c: New file to support precompiled
9605         headers on cygwin
9606         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
9607         * config.host: Use above files for cygwin host.
9608
9609 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
9610
9611         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
9612         ordering ops from earlier change.
9613
9614 2005-03-07  Per Bothner  <per@bothner.com>
9615
9616         Various fixes to allow us to again build if --enable-mapped-location:
9617         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
9618         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
9619         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
9620         local variable loc. Change logic appropriately.
9621         * tree-vect-transform.c (vect_finish_stmt_generation): Use
9622         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
9623         * c-parser.c (c_parser_for_statement): Initialize loc variable.
9624         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
9625         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
9626
9627 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
9628
9629         PR rtl-optimization/19683
9630         * reload1.c (choose_reload_regs): Pass the number of bits, not the
9631         number of bytes, to smallest_int_for_mode.  Fix arguments to
9632         REG_CANNOT_CHANGE_MODE_P.
9633
9634 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
9635
9636         * reorg.c (relax_delay_slots): Check that the jump is
9637         conditional before trying to invert it.
9638
9639 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
9640
9641         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
9642         Make them static.
9643
9644         * calls (stack_arg_under_construction): Make it static.
9645
9646         * flow.c (regs_live_at_setjmp): Make it static.
9647         * flow.h: Remove the corresponding prototype.
9648
9649         * reload1.c (reload_startobj, reload_firstobj,
9650         something_needs_operands_changed, reload_inherited,
9651         reload_inheritance_insn, reload_override_in,
9652         reload_spill_index): Make them static.
9653
9654         * recog.c (verify_changes): Make it static.
9655         * recog.h: Remove the corresponding prototype.
9656
9657         * cfgbuild.c (find_sub_basic_blocks): Remove.
9658         * basic-block.h: Remove the corresponding prototype.
9659         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
9660         in comments.
9661         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
9662
9663         * tree-ssa-operands.c (check_build_stmt): Remove.
9664
9665         * stor-layout.c (set_alignment): Remove.
9666         * tree.h: Remove the corresponding prototype.
9667
9668         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
9669
9670         * tree-ssa-dce.c (control_dependence_map,
9671         visited_control_parents): Make them static.
9672
9673         * cfghooks.c (verify_flow_info): Remove local variable
9674         num_bb_notes.
9675
9676         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
9677         last_bb_seen.
9678
9679         * loop-unswitch.c (unswitch_loop): Remove local variable src.
9680
9681 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
9682
9683         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
9684
9685 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
9686
9687         * config/ia64/hpux.h (LINK_SPEC): Add -z.
9688         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
9689         PARALLEL for an empty structure.
9690
9691 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
9692
9693         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
9694
9695         * fold-const.c (fold_binary): Unroll the very first "for"
9696         loop.
9697
9698 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
9699
9700         * config/rs6000/predicates.md (branch_comparison_operator): Remove
9701         redundant match_code test.
9702         (scc_comparison_operator): Swap match_operand and match_code
9703         tests.
9704         (branch_positive_comparison_operator): Same.
9705         (trap_comparison_operator): Use comparison_operator and swap with
9706         match_code test.
9707
9708 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
9709
9710         PR target/20288
9711         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
9712         (out_movhi_r_mr): Read low byte of volatile MEM first.
9713         (out_movhi_mr_r): Write high byte of volatile MEM first.
9714
9715 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
9716
9717         * cselib.c (reg_values, reg_values_size): Make them static.
9718
9719         * cse.c (cse_reg_info_table): Make it static.
9720
9721         * fold-const.c (fold_unary): Use build1 instead of copy_node.
9722
9723 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
9724
9725         * cse.c (find_best_addr): Use canon_for_address.
9726
9727 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
9728
9729         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
9730         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
9731         SUBREG and MEM, respectively.
9732
9733         * fold-const.c (fold_binary): Use code instead of t.
9734
9735         * fold-const.c (optimize_minmax_comparison): Take decomposed
9736         arguments code, type, op0, and op1 instead of t.
9737         (fold_binary): Update a call to optimize_minmax_comparison.
9738
9739         * fold-const.c (fold_range_test): Take decomposed arguments
9740         code, type, op0, and op1 instead of t.
9741         (fold_binary): Update a call to fold_range_test.
9742
9743         * fold-const.c (fold_binary_op_with_conditional_arg): Take
9744         decomposed arguments code, type, op0, and op1 instead of t.
9745         (fold_binary): Update a call to fold_range_test.
9746
9747 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
9748
9749         * fold-const.c (fold_binary): Avoid directly using the original
9750         expression t as much as possible.
9751
9752 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
9753
9754         * c-semantics.c (build_stmt): Use TYPE_P instead of
9755         IS_NON_TYPE_CODE_CLASS.
9756         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
9757         (NON_TYPE_CHECK): Use TYPE_P instead of
9758         IS_NON_TYPE_CODE_CLASS.
9759
9760         * fold-const.c (fold): Remove handling of binary expressions.
9761
9762 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
9763
9764         * doc/c-tree.texi: Wrap comments in @r{}.
9765         * doc/cpp.texi: Likewise.
9766         * doc/cppinternals.texi: Likewise.
9767         * doc/extend.texi: Likewise.
9768         * doc/md.texi: Likewise.
9769         * doc/objc.texi: Likewise.
9770         * doc/sourcebuild.texi: Likewise.
9771         * doc/tm.texi: Likewise.
9772         * doc/tree-ssa.texi
9773
9774 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
9775
9776         * predict.c (apply_return_prediction): Standardize PHI chain
9777         walking.
9778         * tree-ssa.c (ssa_redirect_edge): Likewise.
9779
9780         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
9781         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
9782         Update copyright.
9783
9784         * tree-phinodes.c (remove_phi_node): Drop the last argument.
9785         * tree-flow.h: Adjust the prototype for remove_phi_node.
9786         * lambda-code.c (perfect_nestify): Adjust a call to
9787         remove_phi_node.
9788         * tree-cfg.c
9789         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
9790         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
9791         Likewise.
9792         * tree-ssa-dce.c (remove_dead_phis): Likewise.
9793         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9794         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9795         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
9796
9797         * combine.c (simplify_and_const_int): Use gen_int_mode instead
9798         of GEN_INT (trunc_int_for_mode (...)).
9799         * loop-iv.c (iv_number_of_iterations): Likewise.
9800         * postreload.c (reload_cse_move2add): Likewise.
9801         * simplify-rtx.c (simplify_const_unary_operation,
9802         simplify_const_binary_operation): Likewise.
9803         * stor-layout.c (get_mode_bounds): Likewise.
9804
9805         * fold-const.c (fold_binary): New.
9806         (fold): Call fold_binary on binary expressions.
9807
9808 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
9809
9810         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
9811         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
9812         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
9813         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
9814         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
9815
9816 2005-03-04  Devang Patel  <dpatel@apple.com>
9817
9818         PR tree-optimization/18815
9819         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
9820         loops with zero exit edges.
9821
9822 2005-03-04  Devang Patel  <dpatel@apple.com>
9823
9824         * doc/invoke.texi: Remove reference to webpage that does not exist.
9825
9826 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
9827             Joseph S. Myers  <joseph@codesourcery.com>
9828
9829         PR c++/19797
9830         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
9831         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
9832         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
9833         * pa.c (get_plabel): Change argument to symbol_ref.  Call
9834         maybe_get_identifier instead of get_identifier.
9835         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
9836         (struct deferred_plabel): Replace name field with symbol field.
9837         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
9838         ASM_OUTPUT_EXTERNAL_REAL is defined.
9839         (output_global_address): Use output_addr_const for output of all
9840         symbol_refs.
9841         (output_deferred_plabels): Use symbol_ref instead of name for address
9842         output.
9843         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
9844         ASM_OUTPUT_SYMBOL_REF): New macros.
9845         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
9846         comment.
9847         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
9848         label.
9849
9850 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
9851
9852         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
9853         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
9854
9855 2005-03-04  Jeff Law  <law@redhat.com>
9856
9857         * basic-block.h (rediscover_loops_after_threading): Declare.
9858         * tree-ssa-dom.c: Include cfgloop.h.
9859         (tree_ssa_dominator_optimize): Discover loops and some basic
9860         properties.  Remove forwarder blocks recreated by loop header
9861         canonicalization.  Also mark backedges in the CFG.
9862         * tree-ssa-threadupdate.c: Include cfgloop.h
9863         (rediscover_loops_after_threading): Define.
9864         (struct local_info): New field, JUMP_THREADED.
9865         (prune_undesirable_thread_requests): New function.
9866         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
9867         then record that fact for the callers of redirct_edges.
9868         (thread_block): If BB has incoming backedges, then call
9869         prune_undesirable_thraed_requests.    Note when we are
9870         going to have to rediscover loop information.  Return a
9871         boolean indicating if any jumps were threaded.
9872         (thread_through_all_blocks): Bubble up boolean indicating
9873         if any jumps were threaded.
9874         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
9875         (tree-ssa-threadupdate.o): Similarly.
9876
9877 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
9878
9879         * fold-const.c (fold_ternary): Unroll the "for" loop to
9880         extract operands.
9881
9882 2005-03-04  Andrew Haley  <aph@redhat.com>
9883
9884         * unwind-dw2-fde-glibc.c (struct
9885         unw_eh_callback_data.check_cache): New field.
9886         (frame_hdr_cache): New.
9887         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
9888         Cache frame header info.
9889
9890 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
9891
9892         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
9893         (print_c_condition): Declare.
9894         * read-rtl.c (ptr_loc): New structure.
9895         (ptr_locs, ptr_loc_obstack, joined_conditions)
9896         (joined_conditions_obstack): New variables.
9897         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
9898         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
9899         (join_c_conditions, print_c_condition): New functions.
9900         (apply_macro_to_string): Associate the new string with the same
9901         source location as the old one.
9902         (add_condition_to_string): Use join_c_conditions.
9903         (read_string): Use set_rtx_ptr_loc to record a filename and line
9904         number for the string.
9905         (read_rtx): Initialize the new variables above.
9906         * genattrtab.c (write_test_expr, write_attr_value): Use
9907         print_c_condition.
9908         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
9909         comment above the GCC_VERSION check.
9910         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
9911         Inline the definition of MAYBE_EVAL.
9912         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
9913         * genoutput.c (process_template): Likewise.
9914         * genpreds.c (write_predicate_subfunction): Likewise.
9915         (write_predicate_expr): Use print_c_condition.
9916         * genrecog.c (write_cond): Likewise.
9917         * gensupport.c (process_rtx): Use join_c_conditions to join the
9918         conditions of a define_insn_and_split.  Record a source location
9919         for the string after the "&&".
9920         (alter_test_for_insn): Use join_c_conditions.
9921
9922 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
9923
9924         Revert for now:
9925         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
9926         PR tree-optimization/15784
9927         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
9928         and -1 - A to ~A.
9929
9930 2005-03-04  Ben Elliston  <bje@au.ibm.com>
9931
9932         * gcc.c (option_map): Add --coverage.
9933         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
9934         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
9935         * config/darwin.h: Pass -lgcov for `coverage'.
9936         * doc/invoke.texi (Debugging Options): Document --coverage.
9937
9938 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
9939
9940         * gcse.c (bypass_block): Use find_edge wherever possible.
9941
9942 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
9943
9944         Fix PR debug/20253
9945
9946         * c-opts.c (c_common_parse_file): Call start_source_file
9947         and end_source_file at the approriate times.
9948
9949         * dwarf2out.c (dwarf2out_finish): Don't auto-end
9950         the main file, it will be done for us now.
9951
9952 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
9953
9954         * fold-const.c (fold_ternary): New.
9955         (fold): Call fold_ternary on ternary expressions.  Remove
9956         handling of ternary expressions.
9957
9958 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
9959
9960         PR tree-optimization/15784
9961         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
9962         and -1 - A to ~A.
9963
9964 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
9965
9966         * config/rs6000/predicates.md (branch_comparison_operator):
9967         Convert from C block to conditional format.
9968
9969 2005-03-03  Jan Hubicka  <jh@suse.cz>
9970
9971         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
9972         and non-constant public variables.
9973
9974 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
9975
9976         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
9977         with LABEL_EXPR.
9978
9979         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
9980         EDGE_I.
9981
9982         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
9983         calls to release_ssa_name and release_phi_node.
9984
9985         * fold-const.c (fold): Remove handling of unary expressions.
9986
9987         * fold-const.c (fold_unary): Avoid directly using the original
9988         expression t as much as possible.
9989
9990 2005-03-03  Roger Sayle  <roger@eyesopen.com>
9991             Andrew Pinski  <pinskia@physics.uc.edu>
9992
9993         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
9994         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
9995
9996 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
9997
9998         Describe special registers SRP and MOF as allocatable registers.
9999         * config/cris/cris.c (cris_md_asm_clobbers): New function.
10000         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
10001         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
10002         TARGET_HAS_MUL_INSNS.
10003         (cris_print_operand) <case 'd'>: New case.
10004         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
10005         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
10006         define.
10007         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
10008         (REG_ALLOC_ORDER): Update for MOF.
10009         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
10010         SPECIAL_REGS.
10011         (GENERAL_REGS): No longer a define of ALL_REGS.
10012         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
10013         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
10014         Adjust accordingly.
10015         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
10016         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
10017         (SECONDARY_RELOAD_CLASS): Define.
10018         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
10019         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
10020         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
10021         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
10022         (REGISTER_MOVE_COST): Define.
10023         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
10024         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
10025         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
10026         (CRIS_MOF_REGNUM): New define_constants.
10027         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
10028         special registers.
10029         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
10030         New patterns.
10031         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
10032         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
10033         Adjust for MOF being properly described as a register.
10034         (indir_to_reg_split): Name this split.  Conditionalize on the
10035         destination register being a general register.
10036         (movei): Conditionalize on on operands 0 and 1 having the same
10037         register class.
10038
10039 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
10040
10041         PR target/20277
10042         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
10043         -mcpu to override any other explicitly given flags.
10044
10045 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
10046
10047         * recog.c (verify_changes, confirm_change_group): New functions,
10048         broken out of apply_change_group.
10049         (apply_change_group): Use them.
10050         * recog.h (verify_change, confirm_change_group): Declare.
10051         * rtl.h (redirect_jump_2): Declare.
10052         * jump.c (redirect_exp, invert_exp): Delete.
10053         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
10054         (redirect_jump_2): New function, broken out of redirect_jump.
10055         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
10056         (invert_jump): Use invert_jump_1 and redirect_jump_2.
10057         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
10058
10059 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
10060
10061         * varasm.c (named_section): Use xstrdup rather than doing it by
10062         hand.
10063
10064         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
10065
10066 2005-03-02  Devang Patel  <dpatel@apple.com>
10067
10068         Undo PR tree-optimization/18815 fix.
10069
10070 2005-03-02  Devang Patel  <dpatel@apple.com>
10071
10072         PR tree-optimization/18815
10073         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
10074         loops with zero exit edges.
10075
10076 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
10077
10078         * cfg.c (connect_src, connect_dest, disconnect_src,
10079         disconnct_dest): New.
10080         (unchecked_make_edge, remove_edge, redirect_edge_succ,
10081         redirect_edge_pred): Use the new functions.
10082
10083         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
10084         free_dominance_info only when needed.
10085
10086 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
10087
10088         PR target/20276
10089         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
10090         (reg_or_sub_cint64_operand): Same.
10091
10092 2005-03-02  Jeff Law  <law@redhat.com>
10093
10094         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
10095         CFG_ALTERED in the main DOM iteration loop.
10096
10097 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
10098
10099         PR c++/19916
10100         * varasm.c (initializer_constant_valid_p): Allow conversions
10101         between OFFSET_TYPEs.  Tidy.
10102
10103 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
10104
10105         * config/cris/cris.md ("return"): Remove epilogue delay list
10106         sanity check.
10107
10108 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
10109
10110         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
10111         for Thumb.
10112         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
10113
10114 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
10115
10116         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
10117         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
10118         config/m68k/m68k.c, config/mips/mips.h,
10119         config/rs6000/rs6000-protos.h, doc/contrib.texi,
10120         doc/include/gcc-common.texi: Update copyright.
10121
10122         PR middle-end/18029 and PR middle-end/18030
10123         * expr.c (optimize_bitfield_assignment_op): Add a special case
10124         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
10125
10126         * fold-const.c (fold_unary): New.
10127         (fold): Call fold_unary on unary expressions.
10128
10129 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
10130
10131         * cgraph.h (struct cgraph_edge): Add prev_caller and
10132         prev_callee fields.
10133         (cgraph_node_remove_callees): Export.
10134         * cgraph.c (cgraph_create_edge): Initialize prev_caller
10135         and prev_callee.
10136         (cgraph_edge_remove_callee): New function.
10137         (cgraph_edge_remove_caller): Likewise.
10138         (cgraph_remove_edge): Use.
10139         (cgraph_redirect_edge_callee): Likewise.
10140         (cgraph_node_remove_callees): New function.
10141         (cgraph_node_remove_callers): Likewise.
10142         (cgraph_remove_node): Use.
10143         * tree-optimize.c (tree_rest_of_compilation): Use
10144         cgraph_node_remove_callees instead of manual loop.
10145         * cgraphunit.c (cgraph_finalize_function): Likewise.
10146         (cgraph_expand_function): Likewise.
10147         (cgraph_remove_unreachable_nodes): Likewise.
10148
10149 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
10150
10151         PR c/8927
10152         * c-tree.h (undeclared_variable, build_external_ref): Add extra
10153         argument.
10154         * c-decl.c (undeclared_variable): Take location as argument.
10155         * c-typeck.c (build_external_ref): Likewise.
10156         * c-parser.c (c_parser_postfix_expression): Pass location of
10157         identifier to build_external_ref.
10158
10159 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
10160
10161         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
10162         CCEQ mode for branch_positive_comparison_operator test.
10163         * config/rs6000/predicates (branch_comparison_operator): Revert to
10164         define_predicate.
10165         (scc_comparison_operator): Same.
10166         (branch_positive_comparison_operator): Same.
10167
10168 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
10169
10170         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
10171         (cris_delay_slots_for_epilogue): Remove.
10172         (save_last): Move into cris_target_asm_function_epilogue.
10173         (cris_target_asm_function_epilogue): Remove tests for file being
10174         NULL.
10175         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
10176         (cris_delay_slots_for_epilogue): Remove prototypes.
10177         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
10178         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
10179
10180 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
10181
10182         * config/rs6000/predicates.md (branch_comparison_operator): Change
10183         to define_special_predicate.
10184         (scc_comparison_operator): Same.
10185         (branch_positive_comparison_operator): Same.
10186
10187 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
10188
10189         * Makefile.in (tree-ssa-sink.o): New.
10190         (OBJS-common): Add tree-ssa-sink.o.
10191         * common.opt: Add -ftree-sink
10192         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
10193         * timevar.def (TV_TREE_SINK): new timevar.
10194         * tree-flow.h (is_hidden_global_store): Prototype.
10195         * tree-optimize.c (init_tree_optimization_passes): Add
10196         pass_sink_code.
10197         * tree-pass.h (pass_sink_code): New.
10198         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
10199         for non-obvious global store store to is_hidden_global_store, and
10200         call that new function.
10201         * tree-ssa-sink.c: New file.
10202         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
10203         * doc/passes.texi: Document forward store motion.
10204         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
10205         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
10206         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
10207         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
10208
10209 2005-03-01  Per Bothner  <per@bothner.com>
10210
10211         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
10212         and we have a non-zero column-number, add it to the message.
10213         Also factor out the diagnostic_kind_text.
10214
10215 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
10216
10217         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
10218         flow_loop_pre_header_scan, flow_loop_pre_header_find,
10219         flow_loop_scan): Removed.
10220         (flow_loop_dump): Do not dump removed fields.
10221         (flow_loop_free): Do not free removed fields.
10222         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
10223         (loop_exit_edge_p): New function.
10224         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
10225         num_pre_header_edges, entry_edges, num_entries, exit_edges,
10226         num_exits, exits_doms.
10227         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
10228         LOOP_EDGES, LOOP_ALL): Removed.
10229         (flow_loop_scan): Declaration removed.
10230         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
10231         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
10232         flow_loops_find.
10233         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
10234         (if_convert): Call flow_loops_find and flow_loops_free
10235         when calling mark_loop_exit_edges.
10236         * cfgloopanal.c (mark_loop_exit_edges): Moved from
10237         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
10238         free_dominance_info calls.
10239         * loop-init.c (flow_loops_find): Ditto.
10240         * passes.c (rest_of_handle_branch_prob): Ditto.
10241         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
10242         * loop-unroll.c (analyze_insns_in_loop): Do not use
10243         EDGE_LOOP_EXIT.
10244         * predict.c (predict_loops): Do not call flow_loop_scan.
10245         Use get_loop_exit_edges.
10246         (tree_estimate_probability): Do not pass flags to flow_loops_find.
10247         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
10248         Do not use EDGE_LOOP_EXIT.
10249         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
10250         to bb_with_exit_edge_p.
10251         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
10252         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
10253         to bb_with_exit_edge_p.
10254         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
10255         EDGE_LOOP_EXIT.
10256         * tree-loop-linear.c (linear_transform_loops): Do not call
10257         flow_loop_scan.  Use loop->single_exit.
10258         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
10259         (vect_analyze_loop_form): Do not call flow_loop_scan.
10260         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
10261         loop->single_exit.
10262         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
10263         loop->single_exit.
10264         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
10265         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
10266         slpeel_tree_duplicate_loop_to_edge_cfg,
10267         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
10268         Use loop_preheader_edge and loop->single_exit.  Do not call
10269         flow_loop_scan.
10270
10271 2005-03-01  Nick Clifton  <nickc@redhat.com>
10272
10273         * config/arm/arm.c (thumb_find_work_register): Check all of the
10274         argument registers to see if they are free, and a couple of
10275         special cases where the last argument register but can be proved
10276         to be available during the function's prologue.
10277         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
10278         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
10279         thumb_unexpanded_epilogue): Use unsigned long as the type for the
10280         register bit-mask.
10281         (thumb_compute_save_reg_mask): Likewise.  Also use
10282         thumb_find_work_register() to ensure that there is agreement about
10283         which work register is going to be used in the prologue.
10284         (thumb_output_function_prologue): Use unsigned long as the type
10285         for the register bit-mask.  Also delay pushing the link register if
10286         other high registers are going to be pushed.
10287         (thumb_compute_save_reg_mask, emit_multi_reg_push,
10288         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
10289         redundant prototypes.
10290
10291 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
10292
10293         PR target/19819
10294         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
10295         and after reload in REG+REG indexed addresses without REG_POINTER
10296         set in the base and not set in the index.
10297
10298 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
10299
10300         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
10301         Don't undefine here.
10302         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
10303         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
10304         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10305         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
10306         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
10307         Delete.
10308         * config.gcc (sh*-*-linux*): Use config/linux.h.
10309
10310 2005-02-28  Dale Johannesen  <dalej@apple.com>
10311             Stan Shebs  <shebs@apple.com>
10312
10313         Rewrite of 64-bit Darwin structure-by-value pass/return.
10314         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
10315         intoffset, use_stack, named.
10316         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
10317         (rs6000_darwin64_record_arg_advance_flush):  New.
10318         (rs6000_darwin64_record_arg_advance_recurse): New.
10319         (rs6000_darwin64_record_arg_flush):  New.
10320         (rs6000_darwin64_record_arg_recurse):  New.
10321         (rs6000_darwin64_record_arg):  New.
10322         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
10323         (function_arg_boundary):  Handle 128-bit aligned structs.
10324         (function_arg_advance):  Rewrite darwin64 struct handling.
10325         (function_arg):  Call rs6000_darwin64_record_arg.
10326         (function_arg_partial_nregs):  Handle darwin64 structs.
10327         (rs6000_darwin64_function_value):  Remove.
10328         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
10329
10330 2005-02-28  Roger Sayle  <roger@eyesopen.com>
10331
10332         PR tree-optimization/20216
10333         * tree-chrec.c (tree_fold_factorial): Delete.
10334         (tree_fold_binomial): Change argument list to take a return type
10335         and change the type of K to unsigned int.  Rewrite to avoid explicit
10336         evaluation of factorials, and (recursively) calling fold to perform
10337         compile-time arithmetic.  Return NULL on (internal) overflow.
10338         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
10339         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
10340         if any intermediate calculation overflows.
10341         (chrec_apply): Update call to chrec_evaluate.
10342
10343 2005-02-28  James E Wilson  <wilson@specifixinc.com>
10344
10345         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
10346
10347 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
10348
10349         PR c/20245
10350         * c-parser.c (c_parser_compound_statement): Return error_mark_node
10351         instead of NULL_TREE on error.
10352
10353 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
10354
10355         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
10356         (EASY_VECTOR_15_ADD_SELF): Remove.
10357         (num_insns_constant_wide): Not static.
10358         (validate_condition_mode): Not static.
10359         (toc_relative_expr_p): Not static.
10360         (legitimate_indirect_address_p): Not static.
10361         (macho_lo_sum_memory_operand): Not static.
10362         (invalid_e500_subreg): Not static.
10363         (easy_vector_same): Not static.
10364         (easy_vector_splat_const): Not static.
10365         (RS6000_SYMBOL_REF_TLS_P): Remove.
10366         (any_operand): Delete.
10367         (any_parallel_operand): Delete.
10368         (count_register_operand): Delete.
10369         (altivec_register_operand): Delete.
10370         (xer_operand): Delete.
10371         (s8bit_cint_operand): Delete.
10372         (short_cint_operand): Delete.
10373         (u_short_cint_operand): Delete.
10374         (non_short_cint_operand): Delete.
10375         (exact_log2_cint_operand): Delete.
10376         (gpc_reg_operand): Delete.
10377         (cc_reg_operand): Delete.
10378         (cc_reg_not_cr0_operand): Delete.
10379         (reg_or_short_operand): Delete.
10380         (reg_or_neg_short_operand): Delete.
10381         (reg_or_aligned_short_operand): Delete.
10382         (reg_or_u_short_operand): Delete.
10383         (reg_or_cint_operand): Delete.
10384         (reg_or_arith_cint_operand): Delete.
10385         (reg_or_add_cint64_operand): Delete.
10386         (reg_or_sub_cint64_operand): Delete.
10387         (reg_or_logical_cint_operand): Delete.
10388         (got_operand): Delete.
10389         (got_no_const_operand): Delete.
10390         (easy_fp_constant): Delete.
10391         (easy_vector_constant): Delete.
10392         (easy_vector_constant_add_self): Delete.
10393         (zero_constant): Delete.
10394         (zero_fp_constant): Delete.
10395         (volatile_mem_operand): Delete.
10396         (offsettable_mem_operand): Delete.
10397         (mem_or_easy_const_operand): Delete.
10398         (add_operand): Delete.
10399         (non_add_cint_operand): Delete.
10400         (logical_operand): Delete.
10401         (non_logical_cint_operand): Delete.
10402         (mask_operand): Delete.
10403         (mask_operand_wrap): Delete.
10404         (mask64_operand): Delete.
10405         (mask64_2_operand): Delete.
10406         (and64_operand): Delete.
10407         (and64_2_operand): Delete.
10408         (and_operand): Delete.
10409         (reg_or_mem_operand): Delete.
10410         (lwa_operand): Delete.
10411         (symbol_ref_operand): Delete.
10412         (call_operand): Delete.
10413         (current_file_function_operand): Delete.
10414         (input_operand): Delete.
10415         (rs6000_nonimmediate_operand): Delete.
10416         (rs6000_tls_symbol_ref): Delete.
10417         (save_world_operation): Delete.
10418         (restore_world_operation): Delete.
10419         (load_multiple_operation): Delete.
10420         (store_multiple_operation): Delete.
10421         (vrsave_operation): Delete.
10422         (mfcr_operation): Delete.
10423         (mtcrf_operation): Delete.
10424         (lmw_operation): Delete.
10425         (stmw_operation): Delete.
10426         (branch_comparison_operator): Delete.
10427         (branch_positive_comparison_operator): Delete.
10428         (scc_comparison_operator): Delete.
10429         (trap_comparison_operator): Delete.
10430         (boolean_operator): Delete.
10431         (boolean_or_operator): Delete.
10432         (min_max_operator): Delete.
10433         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
10434         (EASY_VECTOR_15): Moved to here.
10435         (EASY_VECTOR_15_ADD_SELF): Move to here.
10436         (PREDICATE_CODES): Delete.
10437         * config/rs6000/rs6000-protos.h: Delete predicate functions.
10438         Declare functions no longer static.
10439         * config/rs6000/predicates.md: New.
10440         * config/rs6000/rs6000.md: Include predicates.md
10441
10442 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
10443
10444         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
10445         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
10446         REG_ALWAYS_RETURN.
10447         * cfgrtl.c (need_fake_edge_p): Likewise.
10448         * combine.c (distribute_notes): Likewise.
10449         * emit-rtl.c (try_split): Likewise.
10450         * recog.c (peephole2_opimize): Likewise.
10451         * reg-notes.def (ALWAYS_RETURN): Remove.
10452         * rtl.h (LCT_ALWAYS_RETURN): Remove.
10453         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
10454         * tree.h (ECF_ALWAYS_RETURN): Remove.
10455
10456 2005-02-28  Roger Sayle  <roger@eyesopen.com>
10457
10458         PR middle-end/19874
10459         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
10460         between different machine modes is never a "useless" conversion.
10461
10462 2005-02-28  Geert Bosch  <bosch@gnat.com>
10463
10464         PR ada/15977
10465         * doc/contrib.texi: List contributors for Ada front end
10466
10467 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
10468
10469         * simplify-rtx.c (simplify_unary_operation_1,
10470         simplify_const_unary_operation): New, extracted from...
10471         (simplify_unary_operation): ... this one.
10472         (simplify_binary_operation_1,
10473         simplify_const_binary_operation): New, extracted from...
10474         (simplify_binary_operation): ... this one.
10475         * rtl.h (simplify_const_unary_operation,
10476         simplify_const_binary_operation): Add prototypes.
10477
10478 2005-02-28  Julian Brown  <julian@codesourcery.com>
10479
10480         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
10481         building libjava and caused PR regression/20228.
10482
10483 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
10484
10485         PR bootstrap/17383
10486         * Makefile.in (host_subdir): New.
10487         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
10488         * configure: Regenerate.
10489
10490 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
10491
10492         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
10493         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
10494         installation directory first.
10495
10496 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
10497
10498         PR target/19065.
10499         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
10500         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
10501         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
10502         * config/cris/cris.md: Tweak comments referring to Q.
10503         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
10504         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
10505         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
10506         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
10507         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
10508         Insert spaces in constraints to align alternatives vertically for
10509         readability.
10510         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
10511         operand 1: "M".
10512
10513 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10514
10515         PR rtl-optimization/17728
10516         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
10517         operand 0 from general_operand to move_dest_operand.
10518
10519 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10520
10521         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
10522         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
10523         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
10524         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
10525
10526 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
10527
10528         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
10529         * configure: Regenerate.
10530         * libada-mk.in: Remove CC; rename
10531         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
10532
10533 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
10534
10535         PR tree-opt/20188
10536         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
10537         for the lhs, also walk over the tree.  Likewise for rhs.
10538
10539 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
10540
10541         * tree-ssa-dom.c (simple_iv_increment_p): New function.
10542         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
10543         Do not propagate value of iv before increment over the increment.
10544
10545 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
10546
10547         * c-parser.c: New file.
10548         * c-parse.in: Remove.
10549         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
10550         Remove.
10551         (c-parser.o): Add dependencies.
10552         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
10553         maintainer-clean, TAGS): Update.
10554         * c-config-lang.in (gtfiles): Update.
10555         * gengtype-lex.l: Don't handle "@@".
10556         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
10557         objc_build_synchronized, objc_begin_try_stmt,
10558         objc_begin_catch_clause, objc_finish_catch_clause,
10559         objc_build_finally_clause, objc_finish_try_stmt): New.
10560         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
10561         type_seen_p.
10562         (c_parse_init): Update comment.
10563         * c-decl.c (c_init_decl_processing): Update comment.
10564         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
10565         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
10566         new c_declspecs members.
10567
10568 2005-02-25  Julian Brown  <julian@codesourcery.com>
10569
10570         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
10571         from being used for symbols with vague linkage when
10572         HAVE_GAS_COMDAT_GROUP is true.
10573
10574 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
10575
10576         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
10577
10578 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
10579
10580         PR target/19930
10581         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
10582         (LIBGCC2_HAS_DF_MODE): New.
10583         (LIBGCC2_HAS_XF_MODE): New.
10584         (LIBGCC2_HAS_TF_MODE): New.
10585         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
10586         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
10587         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
10588         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
10589         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
10590         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
10591         and add _fixtfdi, _fixunstfdi, _floatditf
10592         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
10593         L_fixunstfdi, L_floatditf.
10594         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
10595         (LIBGCC2_HAS_TF_MODE): Define.
10596
10597 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
10598
10599         PR tree-optimization/20204
10600         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
10601         REWRITE_THIS_STMT markers on PHI nodes.
10602         (rewrite_initialize_block): Likewise.
10603
10604 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
10605
10606         * version.c (version_string): Update to 4.1.
10607
10608 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
10609
10610         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
10611         Clarify that the alternative way doesn't work in GNU C++.
10612
10613 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
10614
10615         PR tree-optimization/19937
10616         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
10617         to the type of the induction variable.
10618
10619 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
10620
10621         PR rtl-optimization/20117
10622         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
10623         the block including noncopyable insn.
10624
10625 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
10626
10627         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
10628         calls to find_reg_note.
10629
10630 2005-02-24  Richard Henderson  <rth@redhat.com>
10631
10632         PR tree-opt/20127
10633         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
10634         the type.
10635
10636 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
10637
10638         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
10639         vector types if to use base reg for misaligned non-word ld/std.
10640
10641 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
10642
10643         PR target/14619
10644         * config/cris/cris.c (cris_target_asm_function_prologue): Create
10645         dwarf2 label manually and put it after, not before the prologue.
10646
10647 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
10648
10649         PR target/19019
10650         * reload.c (operands_match_p): Only increment register number for
10651         SCALAR_INT_MODE_P modes in multiple hard registers.
10652
10653         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
10654         Fix formatting.
10655
10656 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10657
10658         * ChangeLog.5: Fix log message typo(s).
10659         * ChangeLog.7: Likewise.
10660         * ChangeLog.tree-ssa: Likewise.
10661         * cfgexpand.c: Fix comment typo(s).
10662         * conflict.c: Likewise.
10663         * defaults.h: Likewise.
10664         * dwarf2out.c: Likewise.
10665         * gcse.c: Likewise.
10666         * ggc-page.c: Likewise.
10667         * tree-eh.c: Likewise.
10668         * tree-ssa-dom.c: Likewise.
10669
10670 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
10671
10672         PR target/19019
10673         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
10674         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
10675         if SHARED is defined.
10676
10677         PR target/20196
10678         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
10679         allow splitting only if operands 0 and 3 don't overlap.
10680
10681 2005-02-24  Richard Henderson  <rth@redhat.com>
10682
10683         PR middle-end/19953
10684         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
10685         (fold_builtin_1): Call them.
10686         * fold-const.c (fold_complex_mult_parts): Split out from ...
10687         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
10688         (fold_complex_div_parts, fold_complex_div): New.
10689         (fold): Use them.
10690         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
10691
10692 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10693
10694         * tree-ssa-ccp.c (visit_assignment): Verify that result of
10695         VIEW_CONVERT_EXPR is_gimple_min_invariant.
10696
10697         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
10698         (print_node): Likewise.
10699         Print TYPE_SIZES_GIMPLIFIED.
10700
10701 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
10702
10703         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
10704         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
10705         operands as commutative in constraints.
10706
10707 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
10708
10709         * tree-into-ssa.c: Re-organize internal functions.
10710
10711 2005-02-24  Richard Henderson  <rth@redhat.com>
10712
10713         PR middle-end/18902
10714         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
10715         for c99.
10716         * common.opt (fcx-limited-range): New.
10717         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
10718         * toplev.c (flag_complex_method): Initialize to 1.
10719         (process_options): Set flag_complex_method to 0 if
10720         flag_cx_limited_range.
10721         * doc/invoke.texi (-fcx-limited-range): New.
10722
10723 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
10724
10725         * cse.c (delete_trivially_dead_insns): Speed up by using
10726         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
10727         prev_real_insn.
10728
10729 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
10730
10731         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
10732         functions when -mid-shared-library is being used.
10733
10734 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
10735
10736         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
10737         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
10738         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
10739         * system.h: Poison LINK_LIBGCC_SPECIAL.
10740
10741 2005-02-23  James E Wilson  <wilson@specifixinc.com>
10742
10743         * gengtype.c (note_insn_name): Make 1 element larger.
10744
10745 2005-02-23  Roger Sayle  <roger@eyesopen.com>
10746
10747         PR target/20018
10748         PR rtl-optimization/20097
10749         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
10750         BImode SUBREGs of SImode registers which confuse the ia64 backend.
10751
10752 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
10753
10754         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
10755         * t-aix52 (SHLIB_INSTALL): Same.
10756
10757 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
10758
10759         * genpreds.c: Update copyright.
10760
10761 2005-02-23  Michael Beach  <michaelb@ieee.org>
10762
10763         PR target/20159
10764         * config/sparc/t-elf (startup files): Assemble with CPP.
10765
10766 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
10767
10768         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
10769         (write_predicate_expr): Likewise.
10770
10771 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
10772
10773         PR tree-optimization/20100
10774         PR tree-optimization/20115
10775         * tree-optimize.c (init_tree_optimization_passes): Remove
10776         pass_maybe_create_global_var.
10777         * tree-pass.h (pass_maybe_create_global_var): Remove.
10778         * tree-ssa-alias.c (aliases_computed_p): Declare.
10779         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
10780         (count_calls_and_maybe_create_global_var): Remove.
10781         (pass_maybe_create_global_var): Remove.
10782         (init_alias_info): Do not declare aliases_computed_p.
10783         (maybe_create_global_var): If the function contains no
10784         call-clobbered variables and a mix of pure/const and regular
10785         function calls, create .GLOBAL_VAR.
10786         Mark all call-clobbered variables for renaming.
10787         (merge_pointed_to_info): Update comment.
10788         (add_pointed_to_var): Likewise.
10789         (is_escape_site): Likewise.
10790         Accept struct alias_info * instead of size_t *.
10791         Update all users.
10792         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
10793         as necessary.
10794         * tree-ssa-operands.c (get_call_expr_operands): If
10795         ALIASES_COMPUTED_P is false, do not add call-clobbering
10796         operands.
10797         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
10798         (delete_tree_ssa): Likewise.
10799
10800 2005-02-22  James E Wilson  <wilson@specifixinc.com>
10801
10802         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
10803         (do_compile): Do call it here.
10804
10805 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
10806
10807         PR rtl-optimization/20017.
10808         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
10809         rest_of_handle_cse2, rest_of_handle_gcse): Call
10810         delete_dead_jumptables immediately before calling cleanup_cfg.
10811
10812 2005-02-22  Devang Patel  <dpatel@apple.com>
10813
10814         PR 19952
10815         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
10816         all labels
10817
10818 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
10819
10820         * config/rs6000/aix.h (WINT_TYPE): Define.
10821
10822 2005-02-22  Stan Shebs  <shebs@apple.com>
10823
10824         * config/rs6000/rs6000.c (rs6000_override_options): Default to
10825         natural alignment for 64-bit Darwin.
10826         (rs6000_parse_alignment_option): Warn about uses of -malign-power
10827         on 64-bit Darwin.
10828         * doc/invoke.texi: Document this.
10829
10830 2005-02-22  DJ Delorie  <dj@redhat.com>
10831
10832         * c-common.c (c_common_type_for_mode): Pass the mode's precision
10833         to make_[un]signed_type, not the mode itself.
10834
10835 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
10836
10837         * cfg.c (cached_make_edge): Call make_edge if edge cache is
10838         not available.  Use tail calls wherever possible.
10839         (make_edge): Call unchecked_make_edge to create an edge.
10840
10841         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
10842         (coalesce_ssa_name): Don't check for
10843         SSANORM_USE_COALESCE_LIST.
10844         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
10845
10846 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
10847
10848         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
10849         (rewrite_into_ssa): ... here.
10850
10851 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
10852
10853         PR tree-optimization/19786
10854         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
10855         tag to another's may-alias bitmap when adding to the other's list.
10856
10857 2005-02-21  DJ Delorie  <dj@redhat.com>
10858
10859         * tree-ssa-loop-ivopts.c (computation_cost): Start register
10860         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
10861         registers in unsupported ways.
10862         * expmed.c (init_expmed): Likewise.
10863
10864 2005-02-21  Stan Cox  <scox@redhat.com>
10865
10866         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
10867
10868 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
10869
10870         * tree-cfg.c (fold_cond_expr_cond): New.
10871         (make_edges): Call fold_cond_expr_cond.
10872         (find_taken_edge): Accept nothing but INTEGER_CST.
10873         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
10874         and 1.
10875         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
10876
10877         * flow.c (delete_dead_jumptables): Speed up by scanning insns
10878         that do not belong to any basic block.
10879
10880 2005-02-21  Jeff Law  <law@redhat.com>
10881
10882         * cfganal.c (find_unreachable_blocks): Manually CSE load of
10883         e->dest.
10884
10885 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
10886
10887         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
10888         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
10889         Adjust their definitions.
10890         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
10891         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
10892
10893         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
10894         genautomata.c, langhooks.c, langhooks.h, system.h,
10895         config/arm/lib1funcs.asm: Update copyright.
10896
10897 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
10898
10899         * dbxout.c (dbxout_function_end): Emit Lscope label always.
10900
10901 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
10902
10903         PR bootstrap/13770
10904         * doc/install.texi: Document --with-gc.
10905
10906 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
10907
10908         * simplify-rtx.c (simplify_unary_operation): Add a missing
10909         "break" statement.
10910
10911 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10912
10913         PR tree-optimization/18663
10914         * tree-ssa-dom.c (extract_range_from_cond): Return 0
10915         if the type has variable bounds.
10916
10917 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
10918
10919         * gcse.c: Remove an obsolete comment.
10920
10921         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
10922
10923 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
10924
10925         * doc/extend.texi (Function Attributes) <Attribute const>: The
10926         attribute "pure" is below this text, not above.
10927
10928 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10929
10930         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
10931         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
10932         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
10933
10934 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
10935
10936         PR 18785
10937         * langhooks.h (struct lang_hooks): Add to_target_charset.
10938         * langhooks.c (lhd_to_target_charset): New function.
10939         * langhooks-def.h: Declare lhd_to_target_charset.
10940         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
10941         (LANG_HOOKS_INITIALIZER): Update.
10942         * c-common.c (c_common_to_target_charset): New function.
10943         * c-common.h: Declare it.
10944         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
10945         c_common_to_target_charset.
10946
10947         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
10948         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
10949         Delete definitions.
10950         * system.h: Poison them.
10951         * doc/tm.texi: Don't discuss them.
10952         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
10953         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
10954         (pp_c_char): Do not attempt to generate letter escapes for
10955         newline, tab, etc.
10956         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
10957         * config/mips/mips.c (mips_output_ascii): Likewise.
10958
10959 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
10960
10961         PR tree-optimization/19951
10962         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
10963         is abnormal.
10964
10965 2005-02-19  Steven Bosscher  <stevenb@suse.de>
10966
10967         PR middle-end/19698
10968         * function.h (struct function): New field `max_loop_depth'.
10969         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
10970         (flow_loops_find): Reset the max loop depth count before finding loops.
10971         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
10972         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
10973         (calculate_global_regs_live): Make sure the loop will terminate
10974         when the initial sets are not empty.
10975
10976 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
10977
10978         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
10979         object inside.
10980         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
10981
10982 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
10983
10984         PR other/19525
10985         * doc/invoke.texi: Remove documentation of %M spec.
10986         * gcc.c: Likewise.
10987         (init_spec): Remove %M suffix from -lgcc_s.
10988         (do_spec_1): Remove 'M' case.
10989         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
10990         to put shared libraries in the multilib directory.  Remove the
10991         shlib_so_soname substitution variable.  Don't add a multilib encoding
10992         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
10993         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
10994         SHLIB_INSTALL as well as SHLIB_LINK.
10995         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
10996         (SHLIB_NAME): Delete.
10997         (SHLIB_DIR): New macro.
10998         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
10999         (SHLIB_INSTALL): Adjust accordingly.
11000         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
11001         * config/t-slibgcc-sld: Likewise.
11002         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
11003         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
11004         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
11005         in $(SHLIB_DIR).
11006         (SHLIBUNWIND_INSTALL): Adjust accordingly.
11007         * config/i386/t-nwld (SHLIB_SONAME): Delete.
11008         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
11009         Use @shlib_base_name@ instead of @shlib_so_name@.
11010         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
11011         and @shlib_base_name@.so in @multilib_dir@.
11012         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
11013         to the install path.
11014         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
11015         (SHLIB_LINK): Remove previous workaround.
11016         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
11017         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
11018         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
11019         the install path.
11020         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
11021         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
11022         (SHLIB_INSTALL): Adjust accordingly.
11023         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
11024         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
11025         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
11026         config/t-slibgcc-elf-ver.
11027
11028 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
11029             Jakub Jelinek  <jakub@redhat.com>
11030
11031         PR tree-optimization/19828
11032         * tree-ssa-loop-im.c: Add a TODO comment.
11033         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
11034         without side-effects.
11035
11036 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
11037
11038         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
11039         call fold_convert.
11040
11041 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
11042
11043         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
11044         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
11045         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
11046         functions.
11047         (ia64_reorg): Delete fixup_errata call.
11048         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
11049         (TARGET_SWITCHES): Delete -mb-step entry.
11050
11051 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
11052
11053         PR c/20043
11054         * c-typeck.c (composite_type): Handle quals in transparent unions.
11055         (type_lists_compatible_p): Likewise.
11056
11057 2005-02-18  Stan Shebs  <shebs@apple.com>
11058
11059         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
11060         expressions in the .literal8 section.
11061
11062 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
11063
11064         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
11065
11066 2005-02-18  Roger Sayle  <roger@eyesopen.com>
11067
11068         * fold-const.c (constant_boolean_node): Always create values of the
11069         specified type, don't bother calling truthvalue_conversion.
11070
11071 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
11072
11073         * except.c (output_function_exception_table): Call
11074         assemble_external_libcall (eh_personality_libfunc).
11075
11076 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
11077
11078         PR target/19886
11079         * config/ia64/ia64.h (struct machine_function): Add state_num.
11080         * config/ia64/ia64.c (process_epilogue,
11081         process_for_unwind_directive): Use new unwind state numbers each
11082         time rather than state 1.
11083
11084 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
11085
11086         PR target/20054
11087         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
11088         before the "*llgt_didi" pattern.
11089
11090 2005-02-18  Jason Merrill  <jason@redhat.com>
11091
11092         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
11093
11094 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
11095
11096         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
11097         (div0): Use it in place of ARM_FUNC_ALIAS.
11098         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
11099
11100 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
11101
11102         PR middle-end/20030
11103         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
11104         access, the lower bound of the array type if it exists.
11105
11106 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
11107
11108         PR c++/20008
11109         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
11110         cases that are out-of-range for the index type.
11111
11112 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
11113
11114         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
11115         (estimate_case_costs): Don't call convert.
11116         * expmed.c (expand_shift): Likewise.
11117         (make_tree): Call fold_convert instead of convert.
11118
11119 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
11120
11121         PR c++/19813
11122         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
11123         that ref to be marked MEM_READONLY_P doesn't have base that needs
11124         constructing.
11125
11126 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
11127
11128         * genautomata.c (output_get_cpu_unit_code_func,
11129         output_cpu_unit_reservation_p): Don't generate old-style function
11130         definitions.
11131
11132 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
11133
11134         PR c++/20023
11135         PR tree-optimization/20009
11136         * convert.c (convert_to_integer): Revert 2005-02-16 change.
11137
11138         PR tree-optimization/18947
11139         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
11140         inline, remove all nodes that are inlined into the extern inline
11141         being redefined.
11142
11143 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
11144
11145         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
11146         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
11147         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
11148         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
11149         Update copyright.
11150
11151 2005-02-17  Roger Sayle  <roger@eyesopen.com>
11152
11153         PR tree-optimization/19917
11154         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
11155         to be potentially trapping.
11156
11157 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
11158
11159         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
11160
11161 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
11162
11163         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
11164         tem becomes a local variable which is set to the value of the
11165         back end defined INITIAL_FRAME_ADDRESS macro.
11166         (expand_builtin_frame_address): Omit the base parameter to
11167         expand_builtin_return_addr.
11168         (expand_builtin_profile_func): Likewise.
11169         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
11170         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
11171         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
11172
11173 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
11174
11175         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
11176         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
11177         * config/frv/frv.c (frv_function_epilogue): Likewise.
11178
11179 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
11180
11181         * lambda-code (perfect_nestify): Remove mark/unmark
11182         for rewriting hack.
11183         * tree-loop-linear.c (linear_transform_loops): Add
11184         rewrite_into_ssa call so that ssa is correct for
11185         rewriting into loop closed.
11186
11187 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
11188
11189         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
11190         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
11191         BITMAP_FREE.
11192         * bt-load.c (btr_def_live_range, combine_btr_defs,
11193         migrate_btr_def, migrate_btr_defs): Likewise.
11194         * cfgcleanup.c (thread_jump): Likewise.
11195         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
11196         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
11197         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
11198         df_rd_local_compute, df_reg_info_compute): Likewise.
11199         * dominance.c (init_dom_info, free_dom_info): Likewise.
11200         * flow.c (init_propagate_block_info,
11201         free_propagate_block_info): Likewise.
11202         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
11203         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
11204         modify_reg_pav): Likewise.
11205         * loop-invariant.c (find_defs, find_invariant_insn,
11206         find_invariants, free_inv_motion_data): Likewise.
11207         * predict.c (tree_predict_by_opcode,
11208         estimate_bb_frequencies): Likewise.
11209         * stmt.c (expand_case): Likewise.
11210         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
11211         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
11212         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
11213         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
11214         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
11215         rewrite_ssa_into_ssa): Likewise.
11216         * tree-optimize.c (tree_rest_of_compilation): Likewise.
11217         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
11218         analyze_edges_for_bb, perform_edge_inserts): Likewise.
11219         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
11220         * tree-sra.c (tree_sra): Likewise.
11221         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
11222         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
11223         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
11224         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
11225         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
11226         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
11227         Likewise.
11228         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
11229         calculate_live_on_entry, calculate_live_on_exit,
11230         build_tree_conflict_graph): Likewise.
11231         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
11232         record_important_candidates, set_use_iv_cost, find_depends,
11233         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
11234         tree_ssa_iv_optimize_finalize): Likewise.
11235         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
11236         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
11237         tree_duplicate_loop_to_header_edge): Likewise.
11238         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
11239         * tree-ssa.c (verify_flow_insensitive_alias_info,
11240         verify_name_tags, verify_ssa, init_tree_ssa,
11241         delete_tree_ssa): Likewise.
11242         * tree-ssanames.c (marked_ssa_names, init_ssanames,
11243         fini_ssanames): Likewise.
11244         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
11245
11246 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
11247
11248         * config/rs6000/t-rtems: Completely reworked.
11249
11250 2005-02-17  Ira Rosen  <irar@il.ibm.com>
11251
11252         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
11253
11254 2005-02-17  Ira Rosen  <irar@il.ibm.com>
11255
11256         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
11257         POINTER_TYPE_P when checking that type is a pointer.
11258         (vect_get_memtag): Remove.
11259         (vect_address_analysis): Use POINTER_TYPE_P. Call
11260         vect_object_analysis with dummy parameter for memtag.
11261         (vect_object_analysis): Extract memtag (functionality that
11262         used to be in vect_get_memtag and moved here). Fix printings.
11263         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
11264         with correct parameters. Remove call to vect_get_memtag.
11265
11266 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
11267
11268         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
11269         (tree-vectorizer.o): Added missing dependencies.
11270
11271         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
11272         decleration.
11273         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
11274         declaration in tree-vectorizer.c, now has an extern declaration in
11275         tree-vectorizer.h).
11276         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
11277         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
11278         get_vectype_for_scalar_type, vect_is_simple_use,
11279         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
11280         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
11281         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
11282         vectorizable_store, vectorizable_operation, vectorizable_assignment,
11283         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
11284         find_loop_location): Likewise.
11285
11286         * tree-vectorizer.c (langhooks.h): #include removed.
11287         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
11288         moved to tree-vectorized.h.
11289         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
11290         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
11291         get_vectype_for_scalar_type, vect_is_simple_use,
11292         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
11293         vect_supportable_dr_alignment, new_loop_vec_info,
11294         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
11295         vect_set_verbosity_level, find_loop_location): Likewise.
11296
11297         (vect_analyze_loop): Function externalized. Declaration moved to
11298         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
11299         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
11300         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
11301         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
11302         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
11303         vect_enhance_data_refs_alignment, vect_analyze_operations,
11304         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
11305         vect_stmt_relevant_p, vect_get_loop_niters,
11306         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
11307         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
11308         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
11309         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
11310         vect_get_memtag): Likewise.
11311
11312         (vectorizable_load): Function externalized. Declaration moved to
11313         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
11314         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
11315         vect_transform_loop): Likewise.
11316         (vect_transform_stmt): Moved to tree-vect-transform.c.
11317         (vect_align_data_ref, vect_create_destination_var,
11318         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
11319         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
11320         vect_get_vec_def_for_operand, vect_init_vector,
11321         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
11322         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
11323         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
11324         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
11325         vect_do_peeling_for_loop_bound): Likewise.
11326
11327         * tree-vect-analyze.c: New file.
11328         * tree-vect-transform.c: New file.
11329
11330 2005-02-17  Jason Merrill  <jason@redhat.com>
11331
11332         PR mudflap/19319, c++/19317
11333         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
11334         slot explicit.
11335
11336 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
11337
11338         * doc/install.texi (Specific): Update link for Darwin-specific
11339         tool binary site.
11340
11341 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
11342
11343         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
11344         constant_boolean_node.
11345
11346 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
11347
11348         PR target/19019
11349         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
11350         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
11351
11352 2005-02-16  Richard Henderson  <rth@redhat.com>
11353
11354         PR 19920
11355         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
11356         with W_TYPE_SIZE.
11357         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
11358         replace uses with Wtype_MAXp1_F.
11359         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
11360         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
11361         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
11362         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
11363         and HAVE_TFMODE as appropriate.
11364         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
11365         (__floatdisf): Likewise.
11366         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
11367         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
11368         (Wtype_MAXp1_F): New.
11369         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
11370         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
11371
11372 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
11373
11374         * PR target/19162
11375         * arm.c (arm_apply_result_size): New function.
11376         * arm.h (APPLY_RESULT_SIZE): Define.
11377         * arm-protos.h (arm_apply_result_size): Add prototype.
11378         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
11379         (movxf): New expand.
11380         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
11381         (call_value_symbol): Remove predicate for operand 0.
11382         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
11383         (untyped_call): Rework to correclty return values for any type.
11384         (untyped_return): New expand.
11385         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
11386
11387 2005-02-16  Stan Shebs  <shebs@apple.com>
11388
11389         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
11390         * config/rs6000/t-darwin8: New, for 64-bit multilib.
11391
11392 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
11393
11394         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
11395         configure settings on Solaris 7 and later.
11396
11397 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
11398
11399         PR tree-optimization/19865
11400         * tree-optimize.c (init_tree_optimization_passes): Run
11401         pass_may_alias after pass_sra.
11402
11403 2005-02-16  Richard Henderson  <rth@redhat.com>
11404             Stuart Hastings  <stuart@apple.com>
11405
11406         PR debug/19521
11407         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
11408         Do nothing if debug info suppressed for this function.
11409         (dbxout_begin_function): Early exit if debug info suppressed for
11410         this function.
11411
11412 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
11413
11414         PR target/20007
11415         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
11416         find_basic_blocks.
11417         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
11418
11419         PR tree-optimization/19967
11420         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
11421         expand_builtin_strchr, expand_builtin_strrchr): Take a new
11422         argument TYPE.  Adjust calls to fold_builtin_XXX.
11423         (expand_builtin, fold_builtin_1): Adjust calls to
11424         expand_builtin_XXX.
11425         (fold_builtin_strchr, fold_builtin_strpbrk,
11426         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
11427         result to a requested type TYPE.
11428
11429 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
11430
11431         PR middle-end/19857
11432         * fold-const.c (fold): Don't optimize (T)(x & cst) to
11433         (T)x & (T)cst if (T)cst overflows.
11434         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
11435         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
11436
11437 2005-02-15  Jeff Law  <law@redhat.com>
11438
11439         * gcse.c (blocks_with_calls): New bitmap.
11440         (alloc_gcse_mem): Allocate it.
11441         (free_gcse_mem): Free it.
11442         (clear_modifY_mem_tables): Clear it.
11443         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
11444         when we encounter CALL_INSNs.
11445         (compute_transp, case MEM): Handle blocks with calls separate
11446         from blocks without calls.  Use bitmap iterators rather than
11447         FOR_EACH_BB.
11448
11449 2005-02-15  Peter O'Gorman  <peter@pogma.com>
11450
11451         PR bootstrap/18810
11452         * mklibgcc.in (vis_hide): Use a temporary object file, not
11453         -o /dev/null.
11454
11455 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
11456
11457         PR target/19924
11458         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
11459         access optimization.
11460
11461 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
11462             Alan Modra  <amodra@bigpond.net.au>
11463
11464         PR target/19019
11465         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
11466         (_xlqsub): Rename to __gcc_qsub.
11467         (_xlqmul): Rename to __gcc_qmul.
11468         (_xlqdiv): Rename to __gcc_qdiv.
11469         Provide versioned symbol aliases with old names.
11470         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
11471         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
11472         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
11473         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
11474         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
11475
11476 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
11477
11478         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
11479         Fold ~(A - 1) and ~(A + -1) to -A.
11480
11481 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
11482
11483         PR pch/14940
11484         PR target/19300
11485         * config/host-linux.c (linux_gt_pch_use_address): Copy from
11486         config/pa/pa-host.c:pa_gt_pch_use_address.
11487
11488 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
11489
11490         * tree-vn.c (get_value_handle): Make sure that given an
11491         is_gimple_min_invariant expression, we always return it.
11492
11493 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
11494
11495         * passes.c (rest_of_handle_gcse): Fix a comment.
11496
11497 2005-02-15  Jeff Law  <law@redhat.com>
11498
11499         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
11500         bitmap.
11501         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
11502         (canon_list_insert, record_last_mem_set_info): Similarly.
11503         (clear_modify_mem_tables): Similarly.
11504
11505 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
11506
11507         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
11508         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
11509         config/mips/mips.md, config/rs6000/aix.h,
11510         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
11511
11512 2005-02-15  Richard Henderson  <rth@redhat.com>
11513
11514         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
11515         call to be best_edge.
11516
11517 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
11518
11519         * basic-block.h: Adjust the prototype for find_basic_blocks.
11520         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
11521         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
11522         find_basic_blocks.
11523
11524         * flow.c (recompute_reg_usage): Remove all arguments.
11525         * passes.c (rest_of_compilation): Adjust the call to
11526         recompute_reg_usage.
11527         * rtl.h: Adjust the prototype for recompute_reg_usage.
11528
11529 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
11530
11531         * tree-dump.c (dump_files): Update to reflect new member
11532         of dump_file_info.
11533         (dump_register): Add new argument.
11534         Set glob name.
11535         (dump_switch_p_1): Check against glob name if doglob was passed.
11536         (dump_switch_p): Check against regular first, then glob if
11537         we didn't have any hits on the dump name.
11538         * tree-optimize.c (register_one_dump_file):
11539         Pass in glob name as well.
11540         * tree-pass.h (struct dump_file_info): Add glob
11541         member.
11542
11543 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
11544
11545         PR preprocessor/16323
11546         * doc/invoke.texi: Document that -Wendif-labels is on by default.
11547
11548 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
11549
11550         PR target/19019
11551         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
11552         (trunctfdf2_internal1): New.
11553         (trunctfdf2_internal2): Renamed from trunctfdf2.
11554
11555 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
11556
11557         PR tree-optimization/19853
11558         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
11559
11560 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
11561
11562         * passes.c (rest_of_handle_loop_optimize): Remove calls to
11563         delete_dead_jumptables and cleanup_cfg.
11564
11565 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
11566
11567         * reload.c (find_reloads): Swap address_reloaded flags when
11568         swapping commutative operands.
11569
11570 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
11571
11572         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
11573         Use standard_iv_increment_position for computing the bsi position
11574         for create_iv.
11575         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
11576         the bsi position.
11577
11578 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
11579
11580         PR target/17428
11581         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
11582         life range of hard registers.
11583         * value-prof.c (insn_prefetch_values_to_profile): Only
11584         scan normal insns.
11585
11586         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
11587         profile in libcalls.
11588
11589 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
11590
11591         * bitmap.h (bitmap_and_compl_into): Return bool.
11592         * bitmap.c (bitmap_and_compl_into): Return changed flag.
11593
11594 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
11595
11596         PR tree-optimization/19944
11597         * fold-const.c (fold): Re-add ABS_EXPR folding.
11598
11599 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
11600
11601         PR target/19019
11602         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
11603         {TARGET,MASK}_XL_COMPAT.
11604         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
11605         MASK_XL_COMPAT.
11606         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
11607         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
11608         TARGET_XL_COMPAT.
11609         (rs6000_arg_partial_bytes): Same.
11610         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
11611         and XL compatibility enabled.
11612         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
11613         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
11614         test to final condition.
11615         (cmptf_internal2): New.
11616         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
11617         xl-compat.  Add TFmode information to description.
11618
11619 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
11620
11621         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
11622
11623 2005-02-13  Jason Merrill  <jason@redhat.com>
11624
11625         PR c++/16405
11626         * fold-const.c (fold_indirect_ref_1): Split out from...
11627         (build_fold_indirect_ref): Here.
11628         (fold_indirect_ref): New fn.
11629         * tree.h: Declare it.
11630         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
11631         (gimplify_modify_expr_rhs): Likewise.
11632         (gimplify_expr): Likewise.
11633
11634 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
11635
11636         PR tree-optimization/14303
11637         PR tree-optimization/15784
11638         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
11639         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
11640         ABS_EXPR<x> != 0 to x != 0.
11641
11642 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
11643
11644         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
11645         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
11646         spelling conventions.
11647
11648         * passes.c (rest_of_handle_gcse): Don't run cse_main and
11649         delete_trivially_dead_insns too many times.
11650
11651         * passes.c (rest_of_handle_gcse): Remove dead assignments to
11652         tem and tem2.
11653
11654 2005-02-12  Ira Rosen  <irar@il.ibm.com>
11655
11656         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
11657         (vect_is_simple_iv_evolution): Remove redundant parameter
11658         and step check.
11659         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
11660         without last parameter.
11661         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
11662         Return pointer step. Call vect_is_simple_iv_evolution without
11663         last parameter. Check only that the step is multiple of size
11664         type. Remove stmt_vinfo updates.
11665         (vect_get_memtag_and_dr): Remove.
11666         (vect_get_memtag): New function.
11667         (vect_address_analysis): New function.
11668         (vect_object_analysis): New function.
11669         (vect_analyze_data_refs): Call vect_object_analysis and
11670         vect_get_memtag. Update stmt_vinfo fields.
11671
11672 2005-02-12  Ira Rosen  <irar@il.ibm.com>
11673
11674         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
11675         exist and are objects. Remove checks for pointer.
11676         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
11677         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
11678         (vect_create_data_ref_ptr): Likewise.
11679         (vect_base_addr_differ_p): New function.
11680         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
11681         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
11682         Don't set the DR_BASE_NAME field of data-ref.
11683         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
11684
11685 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
11686
11687         * optabs.h (enum optab_index): Add new OTI_ldexp.
11688         (ldexp_optab): Define corresponding macro.
11689         * optabs.c (init_optabs): Initialize ldexp_optab.
11690         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
11691         patterns.
11692         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
11693         using ldexp_optab.
11694         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
11695         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
11696
11697         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
11698         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
11699         intrinsics.
11700
11701 2005-02-12  Ira Rosen  <irar@il.ibm.com>
11702
11703         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
11704         to base_address.
11705         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
11706         stmt_vec_info.
11707         (vect_get_base_and_offset): Always return an address.
11708         (vect_create_addr_base_for_vector_ref): Remove treatment for
11709         different data reference types.
11710         (vect_compute_data_ref_alignment): Rename base to base_address in
11711         stmt_vec_info. Get the object in order to force its alignment.
11712         (vect_get_memtag_and_dr): Rename base to base_address in
11713         stmt_vec_info. Extract the object for memtag analysis.
11714
11715 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
11716
11717         PR regression/19898.
11718         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
11719         changes cc_status, use apply modified_in_p to part of cc_status
11720         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
11721         body.
11722
11723 2005-02-11  Richard Henderson  <rth@redhat.com>
11724
11725         * tree-complex.c (expand_complex_libcall): New.
11726         (expand_complex_multiplication): Use it for c99 compliance.
11727         (expand_complex_division): Likewise.
11728         * fold-const.c (fold_complex_add, fold_complex_mult): New.
11729         (fold): Call them.
11730         * builtins.c (built_in_names): Remove const.
11731         * tree.c (build_common_builtin_nodes): Build complex arithmetic
11732         builtins.
11733         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
11734         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
11735         (built_in_names): Remove const.
11736         * c-common.c (c_common_type_for_mode): Handle complex modes.
11737         * flags.h, toplev.c (flag_complex_method): Rename from
11738         flag_complex_divide_method.
11739         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
11740         __mulsc3, __muldc3, __mulxc3, __multc3): New.
11741         * libgcc2.h: Declare them.
11742         * libgcc-std.ver: Export them.
11743         * mklibgcc.in (lib2funcs): Build them.
11744
11745 2005-02-11  Steven Bosscher  <stevenb@suse.de>
11746
11747         PR tree-optimization/19876
11748         Partially revert my change from 2005-01-14
11749         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
11750         (compute_antic): ...and remove the loop here.
11751
11752 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
11753
11754         PR middle-end/19858
11755         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
11756         is number of inner's bits, avoid creating a BIT_FIELD_REF.
11757
11758         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
11759         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
11760
11761 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
11762
11763         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
11764         offsets for the big-endian 32-bit case.
11765
11766 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
11767
11768         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
11769
11770 2005-02-11  Dale Johannesen  <dalej@apple.com>
11771
11772         * cselib.c (cselib_process_insn):  Clear out regs where
11773         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
11774         * reload.c (find_equiv_reg): Ditto.
11775
11776 2005-02-11  Ian Lance Taylor  <ian@airs.com>
11777
11778         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
11779         with no elements.
11780
11781         * tree.c (build_function_type_list): Work correctly if there are
11782         no arguments.
11783
11784 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
11785
11786         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
11787         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
11788         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
11789         TARGET_ZARCH instead of TARGET_64BIT.
11790
11791 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
11792
11793         * config/rs6000/t-rtems:
11794         (MULTILIB_OPTIONS): Remove mcpu=602.
11795         (MUTLILIB_DIRNAMES): Remove m602.
11796         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
11797         Let mcpu=602 match mcpu=603.
11798         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
11799
11800 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11801
11802         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
11803         signal trampolines.
11804
11805 2005-02-10  David Daney  <ddaney@avtrex.com>
11806
11807         * config/alpha/linux-unwind.h: Add exception clause to copyright.
11808         * config/i386/linux-unwind.h: Likewise.
11809         * config/ia64/linux-unwind.h: Likewise.
11810         * config/mips/linux-unwind.h: Likewise.
11811         * config/pa/linux-unwind.h: Likewise.
11812         * config/rs6000/linux-unwind.h: Likewise.
11813         * config/s390/linux-unwind.h: Likewise.
11814         * config/sh/linux-unwind.h: Likewise.
11815         * config/sparc/linux-unwind.h: Likewise.
11816
11817 2005-02-10  Steven Bosscher  <stevenb@suse.de>
11818
11819         PR tree-optimization/17549
11820         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
11821         TER to replace a DEF with its expression if the DEF and the
11822         rhs of the expression we replace into have the same root
11823         variable.
11824
11825 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
11826
11827         * config/mips/mips.md: Fix the placement of the match_scratch in the
11828         lea64 peephole2.
11829
11830 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
11831
11832         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
11833         Fix comment typos.
11834
11835 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
11836
11837         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
11838         (strip_offset): Handle addresses.
11839         (add_address_candidates): Use strip_offset.
11840         (difference_cost): Reflect strip_offset change.
11841         (force_var_cost, difference_cost): Strip nops.
11842
11843 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
11844
11845         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
11846
11847         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
11848         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
11849         config/cris/cris-protos.h, config/cris/cris.c: Update
11850         copyright.
11851
11852 2005-02-10  Jeff Law  <law@redhat.com>
11853
11854         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
11855         (lookup_avail_expr): Similarly.
11856
11857 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
11858
11859         * builtins.c (fold_builtin_powi): New function.
11860         (fold_builtin_1): Call it.
11861
11862 2005-02-10  Steven Bosscher  <stevenb@suse.de>
11863
11864         PR documentation/19309
11865         * doc/cpp.texi: The __GNUC__ and related predefined macros
11866         are also defined for the "standalone" cpp.
11867         Some non-GCC compilers may also define __GNUC__.
11868
11869 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
11870
11871         PR c/19342
11872         * c-typeck.c (common_type): New routine.  Old common_type renamed
11873         to...
11874         (c_common_type): ...this.
11875         (build_conditional_expr, build_binary_op): Use c_common_type instead
11876         of common_type.
11877
11878 2005-02-10  Steven Bosscher  <stevenb@suse.de>
11879
11880         * doc/md.texi: Replace @samp{length} with @code{length}.
11881
11882 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
11883
11884         PR tree-optimization/18687
11885         * tree-flow.h (find_loop_niter): Declare.
11886         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
11887         Try using scev even for loops with more than one exit.
11888         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
11889         (struct ivopts_data): Added niters field.
11890         (struct nfe_cache_elt): New.
11891         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
11892         functions.
11893         (tree_ssa_iv_optimize_init): Initialize niters cache.
11894         (determine_number_of_iterations): Removed.
11895         (find_induction_variables): Do not call determine_number_of_iterations.
11896         Access niters for single exit through niter_for_single_dom_exit.
11897         (add_iv_outer_candidates): Access niters for single exit through
11898         niter_for_single_dom_exit.
11899         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
11900         number_of_iterations_cond.
11901         (iv_period): New function.
11902         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
11903         (may_replace_final_value): Take data argument.  Use
11904         niter_for_single_dom_exit.
11905         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
11906         (rewrite_use_compare): Pass data to may_eliminate_iv.
11907         (rewrite_use_outer): Pass data to may_replace_final_value.
11908         (free_loop_data): Clean up the niters cache.
11909         (tree_ssa_iv_optimize_finalize): Free the niters cache.
11910         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
11911         * tree-ssa-loop-niter.c (find_loop_niter): New function.
11912         (find_loop_niter_by_eval): Use tree_int_cst_lt.
11913         (num_ending_zeros): Moved to tree.c.
11914         * tree.h (num_ending_zeros): Declare.
11915         * tree.c (num_ending_zeros): Moved from tree.c.
11916
11917 2005-02-09  Richard Henderson  <rth@redhat.com>
11918
11919         * builtins.c (DEF_BUILTIN): Add COND argument.
11920         * tree.h (DEF_BUILTIN): Likewise.
11921         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
11922         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
11923         match.
11924         (DEF_BUILTIN_STUB): New.
11925         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
11926         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
11927         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
11928         * c-common.c (DEF_BUILTIN): Add COND argument.
11929         * tree.c (local_define_builtin): New.
11930         (build_common_builtin_nodes): New.
11931
11932 2005-02-09  Roger Sayle  <roger@eyesopen.com>
11933
11934         * fold-const.c (fold_strip_sign_ops): New function to simplify a
11935         floating point expression ignoring the sign of the result.
11936         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
11937         (fold) <MULT_EXPR>: Use it to simplify x*x.
11938         * tree.h (fold_strip_sign_ops): Prototype here.
11939         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
11940         argument.  Use fold_strip_sign_ops to simplify the first argument.
11941         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
11942         first argument when the second argument is an even integer
11943         constant, but only with -funsafe_math_optimizations.
11944         (fold_builtin_1): Update call to fold_builtin_copysign.
11945
11946 2005-02-09  Ian Lance Taylor  <ian@airs.com>
11947
11948         PR middle-end/19583
11949         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
11950         just check whether EH_FILTER_FAILURE falls through.
11951
11952 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
11953
11954         * gcc/haifa-sched.c (schedule_block): Make queued sched group
11955         insns return to ready list in the next turn.
11956
11957 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
11958
11959         PR middle-end/19402
11960         * builtins.def: New __builtin_powi[lf].
11961         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
11962         (expand_builtin_powi): New function.
11963         (expand_builtin): Dispatch to expand_builtin_powi.
11964         * libgcc2.h: Add prototypes for __builtin_powi[lf].
11965         * libgcc2.c: Add __builtin_powi[lf] implementation.
11966         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
11967         * optabs.h: Add powi_optab.
11968         * optabs.c (init_optabs): Initialize powi_optab.
11969         * doc/extend.texi: Document __builtin_powi[lf].
11970
11971 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
11972
11973         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
11974         exists.
11975
11976 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
11977
11978         PR middle-end/19854
11979         * fold-const.c (try_move_mult_to_index): Remove redundant
11980         type argument.  Create ADDR_EXPR with correct type.
11981         (fold): Update callers of try_move_mult_to_index.  Convert
11982         result to the appropriate type.
11983
11984 2005-02-09  Roger Sayle  <roger@eyesopen.com>
11985
11986         PR target/19597
11987         * config/avr/avr.c (default_rtx_costs): Delete.
11988         (avr_operand_rtx_cost): New function.
11989         (avr_rtx_costs): Completely rewrite.
11990
11991 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
11992
11993         PR target/19806
11994         * config/cris/cris.c (in_code): New variable.
11995         (cris_output_addr_const): Now a static function, a wrapper for
11996         output_addr_const.
11997         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
11998         case from old cris_output_addr_const.
11999         (cris_asm_output_label_ref): Similar for LABEL_REF.
12000         (cris_output_addr_const_extra): Similar for UNSPEC.
12001         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
12002         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
12003         * config/cris/cris-protos.h (cris_output_addr_const): Remove
12004         declaration.
12005         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
12006         (cris_asm_output_label_ref): Declare.
12007
12008 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
12009
12010         PR preprocessor/19801
12011         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
12012         filenames that changed when libcpp was moved to the toplevel.
12013
12014 2005-02-07  Roger Sayle  <roger@eyesopen.com>
12015
12016         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
12017         zero extensions of BImode operands.  Call lowpart_subreg instead
12018         of gen_lowpart_common and gen_lowpart_SUBREG.
12019
12020 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
12021
12022         PR ada/19489
12023         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
12024         * configure.ac: Set cc_for_cross_gnattools.
12025         * configure: Regenerate.
12026
12027 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
12028
12029         PR target/19803
12030         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
12031
12032 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
12033
12034         PR debug/19327
12035         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
12036         of nested functions.
12037
12038 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
12039
12040         * doc/extend.texi: Document deprecated extensions allowing
12041         static floating-point members to have initializers and allowing
12042         floating-point literals in integral constant expressions.
12043
12044 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
12045
12046         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
12047         config/darwin7.h, config/mips/mips.c,
12048         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
12049         Update copyright.
12050
12051         * cse.c: Update comments.
12052
12053 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
12054
12055         PR middle-end/19775
12056         * builtins.c (fold_builtin_sqrt): Transform
12057         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
12058         pow(x,y*0.5).
12059
12060 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
12061             Dorit Naishlos  <dorit@il.ibm.com>
12062
12063         * doc/invoke.texi (ftree-vectorizer-verbose): New.
12064         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
12065         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
12066         was added.
12067         * tree.h (vect_set_verbosity_level): New extern function declaration
12068         added.
12069         * tree-vectorizer.h (verbosity_levels): New enum type.
12070         * tree-vectorizer.c (vect_debug_stats): Function removed.
12071         (vect_debug_details): Likewise.
12072         (vect_verbosity_level): Global variable was defined and initialized.
12073         (vect_dump): Global variable definition.
12074         (vect_print_dump_info): New function.
12075         (vect_set_dump_settings): New function.
12076         (vect_set_verbosity_level): New function.
12077         (vectorize_loops): Add call to vect_set_dump_settings.
12078
12079         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
12080         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
12081         (slpeel_tree_peel_loop_to_edge): Likewise.
12082
12083         (vect_analyze_offset_expr): Call to vect_print_dump_info with
12084         appropriate verbosity level instead of call to vect_debug_details
12085         or vect_debug_stats.
12086         (vect_get_base_and_offset):
12087         (vect_create_addr_base_for_vector_ref):
12088         (get_vectype_for_scalar_type):
12089         (vect_create_data_ref_ptr):
12090         (vect_init_vector):
12091         (vect_get_vec_def_for_operand):
12092         (vect_finish_stmt_generation):
12093         (vectorizable_assignment):
12094         (vectorizable_operation):
12095         (vectorizable_store):
12096         (vectorizable_load):
12097         (vect_transform_stmt):
12098         (vect_update_ivs_after_vectorizer):
12099         (vect_do_peeling_for_loop_bound):
12100         (vect_update_inits_of_drs):
12101         (vect_do_peeling_for_alignment):
12102         (vect_transform_loop):
12103         (vect_is_simple_use):
12104         (vect_analyze_operations):
12105         (vect_is_simple_iv_evolution):
12106         (vect_analyze_scalar_cycles):
12107         (vect_analyze_data_ref_dependence):
12108         (vect_analyze_data_ref_dependences):
12109         (vect_compute_data_ref_alignment):
12110         (vect_enhance_data_refs_alignment):
12111         (vect_analyze_data_refs_alignment):
12112         (vect_analyze_data_ref_access):
12113         (vect_analyze_data_ref_accesses):
12114         (vect_analyze_pointer_ref_access):
12115         (vect_get_memtag_and_dr):
12116         (vect_analyze_data_refs):
12117         (vect_mark_relevant):
12118         (vect_stmt_relevant_p):
12119         (vect_mark_stmts_to_be_vectorized):
12120         (vect_can_advance_ivs_p):
12121         (vect_get_loop_niters):
12122         (vect_analyze_loop_form):
12123         (vect_analyze_loop):
12124         (vectorize_loops): Likewise.
12125
12126         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
12127         (vect_update_inits_of_drs):
12128         (vect_do_peeling_for_alignment):
12129         (vect_transform_loop):
12130         (vect_analyze_operations):
12131         (vect_analyze_scalar_cycles):
12132         (vect_analyze_data_ref_dependences):
12133         (vect_analyze_data_refs_alignment):
12134         (vect_analyze_data_ref_accesses):
12135         (vect_analyze_data_refs):
12136         (vect_mark_stmts_to_be_vectorized):
12137         (vect_get_loop_niters):
12138         (vect_analyze_loop_form):
12139         (vect_analyze_loop): Likewise.
12140         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
12141
12142 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
12143
12144         PR bootstrap/19796
12145         Revert:
12146         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
12147         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
12148         either -ffast-math or -funsafe-math-optimizations is in use.
12149
12150         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
12151         * config/mips/irix-csr.c: New file.
12152         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
12153         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
12154         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
12155         executables.
12156
12157 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
12158
12159         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
12160         redundant, incorrect definitions.
12161
12162         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
12163         expand.
12164         ("*tls_indirect_call"): New, reference hard regs directly.
12165         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
12166
12167 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
12168
12169         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
12170         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
12171
12172 2005-02-06  Roger Sayle  <roger@eyesopen.com>
12173
12174         PR rtl-optimization/19800
12175         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
12176         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
12177         gen_lowpart.
12178
12179 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
12180
12181         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
12182
12183 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
12184
12185         PR other/17135
12186         * doc/invoke.texi: Correct documentation of -freorder-functions.
12187
12188 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
12189
12190         PR other/14402
12191         * doc/invoke.texi: Don't mention gccbug.
12192
12193 2005-02-06  Roger Sayle  <roger@eyesopen.com>
12194             Andrew Pinski  <pinskia@physics.uc.edu>
12195             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
12196
12197         * simplify-rtx.c (simplify_relational_operation_1): Simplify
12198         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
12199         into just (zero_extract:SI FOO (const_int 1) BAR).
12200
12201 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
12202
12203         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
12204         macro locally.  Don't give last revision date.  Use GCC version
12205         number from gcc-common.texi.
12206         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
12207         revision date.  Use GCC version number from gcc-common.texi.
12208         Describe being a library as current state rather than as 3.x
12209         history.
12210         * doc/gcc.texi: Remove last update date.
12211         * doc/gccint.texi: Likewise.  Update copyright dates.
12212         * doc/install.texi: Update copyright dates.
12213
12214 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
12215
12216         PR other/7549
12217         * doc/invoke.texi: Mention for each option included in -Wall that
12218         it is included in -Wall.
12219         * doc/gcc.texi: Update copyright and last modification date.
12220
12221 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
12222
12223         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
12224         unnecessary cast to original induction variable increments.
12225
12226 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
12227
12228         PR tree-optimization/18219
12229         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
12230         in distributed form.
12231
12232 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
12233
12234         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
12235         Set bitpos and offset later in the function.  Do nothing if the
12236         target is a register and if the bitfield lies completely outside
12237         that register.
12238         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
12239         here.  Return an uninitialised register if the source value is stored
12240         in a register and the bitfield lies completely outside that register.
12241
12242 2005-02-06  Steven Bosscher  <stevenb@suse.de>
12243
12244         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
12245         not SET_DEST.
12246
12247 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
12248
12249         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
12250
12251 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
12252
12253         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
12254         * config/darwin8.h: New.
12255         * config/darwin7.h: Update comment.
12256
12257 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
12258             Dorit Naishlos  <dorit@il.ibm.com>
12259
12260         * tree-vectorizer.h (LOC): New type.
12261         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
12262         (loop_line_number): New field in struct _loop_vec_info.
12263         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
12264
12265         * tree-vectorizer.c (input.h): Included.
12266         (find_loop_location): New function.
12267         (vect_debug_stats): Argument changed from loop to LOC. Computation of
12268         loop line number removed.
12269         (vect_debug_details): Likewise.
12270         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
12271
12272         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
12273         call to vect_debug_details/stats changed from loop to loop_loc.
12274         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
12275         (slpeel_tree_peel_loop_to_edge): Likewise.
12276
12277         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
12278         changed from NULL to UNKNOWN_LOC.
12279         (vect_get_base_and_offset):
12280         (vect_create_addr_base_for_vector_ref):
12281         (get_vectype_for_scalar_type):
12282         (vect_create_data_ref_ptr):
12283         (vect_init_vector):
12284         (vect_get_vec_def_for_operand):
12285         (vect_finish_stmt_generation):
12286         (vectorizable_assignment):
12287         (vectorizable_operation):
12288         (vectorizable_store):
12289         (vectorizable_load):
12290         (vect_transform_stmt):
12291         (vect_update_ivs_after_vectorizer):
12292         (vect_do_peeling_for_loop_bound):
12293         (vect_do_peeling_for_alignment):
12294         (vect_transform_loop):
12295         (vect_is_simple_use):
12296         (vect_analyze_operations):
12297         (vect_is_simple_iv_evolution):
12298         (vect_analyze_scalar_cycles):
12299         (vect_analyze_data_ref_dependences):
12300         (vect_compute_data_ref_alignment):
12301         (vect_enhance_data_refs_alignment):
12302         (vect_analyze_data_ref_access):
12303         (vect_analyze_data_ref_accesses):
12304         (vect_analyze_pointer_ref_access):
12305         (vect_get_memtag_and_dr):
12306         (vect_analyze_data_refs):
12307         (vect_mark_relevant):
12308         (vect_stmt_relevant_p):
12309         (vect_mark_stmts_to_be_vectorized):
12310         (vect_can_advance_ivs_p):
12311         (vect_get_loop_niters):
12312         (vect_analyze_loop):
12313         (vectorize_loops): Likewise.
12314
12315         (vectorizable_load): Argument in call to vect_debug_details/stats
12316         changed from loop to LOOP_LOC (loop_vinfo).
12317         (vect_transform_loop):
12318         (vect_analyze_operations):
12319         (vect_analyze_scalar_cycles):
12320         (vect_analyze_data_ref_dependence):
12321         (vect_enhance_data_refs_alignment):
12322         (vect_analyze_data_ref_accesses):
12323         (vect_analyze_pointer_ref_access):
12324         (vect_analyze_data_refs):
12325         (vect_analyze_loop): Likewise.
12326
12327         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
12328         changed from loop to loop_loc.
12329
12330         (vect_enhance_data_refs_alignment): Removed unused variable loop.
12331
12332 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
12333             Dorit Naishlos  <dorit@il.ibm.com>
12334
12335         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
12336         declaration added.
12337         (vect_analyze_data_ref_dependences): Likewise.
12338
12339         (vect_is_simple_use): Argument changed from loop structure to
12340         loop_vect_info structure.
12341         (vect_can_advance_ivs_p): Likewise.
12342         (vect_create_index_for_vector_ref): Likewise.
12343         (vect_update_ivs_after_vectorizer): Likewise.
12344         (new_stmt_vec_info): Likewise.
12345
12346         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
12347         changed from loop to loop_vinfo.
12348         (vect_create_data_ref_ptr): First argument in call to
12349         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
12350         (vectorizable_assignment): Second argument in call to vect_is_simple_use
12351         was changed from loop to loop_vinfo.
12352         (vectorizable_operation): Likewise.
12353         (vectorizable_store): Likewise.
12354         (vect_mark_stmts_to_be_vectorized): Likewise.
12355         (vect_do_peeling_for_loop_bound): First argument in call to
12356         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
12357         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
12358         was changed from loop to loop_vinfo.
12359         (vect_analyze_data_ref_dependences): Third argument in call to
12360         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
12361
12362         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
12363         (vect_create_data_ref_ptr): Likewise.
12364         (vect_init_vector): Likewise.
12365         (vect_get_vec_def_for_operand): Likewise.
12366         (vectorizable_assignment): Likewise.
12367         (vectorizable_operation): Likewise.
12368         (vectorizable_store): Likewise.
12369         (vectorizable_load): Likewise.
12370         (vect_update_ivs_after_vectorizer): Likewise.
12371         (vect_is_simple_use): Likewise.
12372         (vect_analyze_data_ref_dependence): Likewise.
12373         (vect_analyze_pointer_ref_access): Likewise.
12374         (vect_can_advance_ivs_p): Likewise.
12375
12376         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
12377         before _stmt_vec_info.
12378         (_stmt_vec_info): Loop field replaced by loop_vec_info.
12379         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
12380         (new_stmt_vec_info): Argument changed from loop structure to
12381         loop_vect_info structure
12382
12383         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
12384         (vect_analyze_offset_expr): Avoid 80 columns overflow.
12385         (vect_create_addr_base_for_vector_ref): Likewise.
12386         (vect_analyze_pointer_ref_access): Likewise.
12387
12388 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
12389
12390         PR tree-opt/19768
12391         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
12392         phi flag if the phi is abnormal.
12393
12394 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
12395
12396         PR tree-opt/19736
12397         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
12398         information for the new statement.
12399
12400 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
12401
12402         PR driver/19117
12403         * gcc.c (main): Include the target in -v output.
12404
12405 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
12406
12407         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
12408         Do not drop the extend if we'd have to add a paradoxical subreg
12409         later.  Include optabs.h and insn-codes.h.
12410         * Makefile.in (combine.o): Depend on $(OPTABS_H).
12411
12412 2005-02-02  Roger Sayle  <roger@eyesopen.com>
12413
12414         PR middle-end/19405
12415         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
12416         * fold-const.c (const_binop): Avoid constant folding floating
12417         point operations in modes that use composite representations.
12418         * simplify-rtx.c (simplify_binary_operation): Likewise.
12419
12420 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
12421
12422         * config/rs6000/altivec.md (altivec_dst): Make the first operand
12423         a REG, not a MEM.
12424         (altivec_dstt): Likewise.
12425         (altivec_dstst): Likewise.
12426         (altivec_dststt): Likewise.
12427         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
12428         of first operand.
12429
12430 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
12431
12432         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
12433         EXPR_LOCUS from orig_cond to the new cond_stmt.
12434         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
12435         the new vec_stmt.
12436
12437 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
12438
12439         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
12440         standard_iv_increment_position. Remove call to bsi_next
12441         (no need to bump the iterator anymore).
12442         (vect_create_index_for_vector_ref): Call
12443         standard_iv_increment_position. Remove second function argument.
12444         (vect_finish_stmt_generation): Remove call to bsi_next
12445         (no need to bump the iterator anymore).
12446         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
12447         to vect_create_index_for_vector_ref.
12448
12449 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
12450
12451         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
12452         phis are used out of the loop.
12453
12454 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
12455
12456         PR c/17807
12457         * c-decl.c (undef_nested_function): New variable.
12458         (pop_scope): Diagnose undefined nested functions.
12459         (finish_function): Don't attempt cgraph processing or genericizing
12460         if current top-level function contained an undefined nested
12461         function.  Reset undef_nested_function at the end of a top-level
12462         function.
12463
12464 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
12465
12466         * tree.c (build_int_cst_type): Take sign of the value into account
12467         when deciding whether sign extend the value.
12468
12469 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
12470
12471         PR c/18502
12472         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
12473         (cpp_options, cc1_options): Change %{std*&ansi} to
12474         %{std*&ansi&trigraphs}.
12475
12476 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
12477
12478         * cse.c: Update comments.
12479
12480 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
12481
12482         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
12483         arguments go on the stack.  Do not put complex doubles in odd/even
12484         pairs.
12485
12486 2005-02-02  Steven Bosscher  <stevenb@suse.de>
12487
12488         * doc/invoke.texi: Update the options enabled at -O1, -O2,
12489         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
12490         -ftree-pre, and -fthread-jumps.
12491
12492 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
12493
12494         PR tree-optimization/19578
12495         * tree-flow.h (modified_noreturn_calls): Declare.
12496         (noreturn_call_p): Declare.
12497         * tree-flow-inline.h (noreturn_call_p): New function.
12498         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
12499         * tree-cfg.c (modified_noreturn_calls): New variable.
12500         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
12501         that contain a mid-block noreturn call.
12502         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
12503
12504 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
12505
12506         * df.c (df_def_record_1, df_uses_record): Don't use
12507         DF_FOR_REGALLOC.
12508         * df.h (DF_FOR_REGALLOC): Remove.
12509
12510 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
12511
12512         PR c/19435
12513         * c-typeck.c (really_start_incremental_init): Reset
12514         constructor_max_index for arrays of incomplete type.
12515
12516 2005-02-02  Jeff Law  <law@redhat.com>
12517
12518         * gcse.c (struct reg_set): Store the block index where the register
12519         was set rather than the setting insn.
12520         (record_one_set, compute_transp): Corresponding changes.
12521         (pre_insert_copy_insn): Do not call replace_one_set.
12522         (replace_one_set): Remove.
12523
12524 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
12525
12526         PR other/15514
12527         * doc/gcov.texi: Fix typo.
12528
12529 2005-02-01  Richard Henderson  <rth@redhat.com
12530
12531         PR target/19680
12532         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
12533         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
12534         type to bool.
12535         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
12536         * config/i386/i386-protos.h: Update.
12537
12538 2005-02-01  Steven Bosscher  <stevenb@suse.de>
12539
12540         PR tree-optimization/19217
12541         * tree-cfg.c (verify_expr): Use the data field to see if TP was
12542         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
12543         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
12544         that it is walking a PHI node.
12545
12546 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
12547
12548         * doc/extend.texi (Nested Functions): Update.
12549
12550 2005-02-01  Richard Henderson  <rth@redhat.com>
12551
12552         PR 19696
12553         * optabs.c (expand_copysign_absneg): Export.
12554         * optabs.h (expand_copysign_absneg): Declare.
12555         * config/rs6000/rs6000.md (copysigntf3): New.
12556
12557 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
12558
12559         PR tree-optimization/19633
12560         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
12561         * tree-ssa-alias.c (init_alias_info): Initialize.
12562         (merge_pointed_to_info): Set.
12563         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
12564         (dump_points_to_info_for): Show value of pt_null.
12565         (struct count_ptr_d): Declare.
12566         (find_ptr_dereference): Remove.
12567         (ptr_is_dereferenced_by): Remove.
12568         (count_ptr_derefs): New local function.
12569         (count_uses_and_derefs): New local function.
12570         (compute_points_to_and_addr_escape): Call it.  If the number
12571         of dereferences is greater than zero, mark the pointer as
12572         dereferenced.  If there are fewer dereferences than uses of
12573         the pointer, the pointer's value escapes.
12574
12575 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
12576
12577         PR tree-optimization/19670
12578         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
12579         here...
12580         (verify_use): ... set it here, instead.
12581
12582 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
12583
12584         * doc/sourcebuild.texi (Test directives): Fix formatting.
12585
12586         * doc/sourcebuild.texi (Test directives): Describe selector
12587         expressions.
12588
12589 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
12590
12591         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
12592         specific 64-bit CPUs.
12593
12594 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
12595
12596         PR target/16201
12597         * arm.c (arm_eliminable_register): New function.
12598         (adjacent_mem_locations): Don't allow eliminable registers.  Use
12599         HOST_WIDE_INT for address offsets.
12600         * arm-protos.h (arm_eliminable_register): Add prototype.
12601
12602 2005-02-01  Steven Bosscher  <stevenb@suse.de>
12603
12604         PR optimization/15242
12605         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
12606         * basic-block.h (duplicate_computed_gotos): Add prototype.
12607         * bb-reorder.c (duplicate_computed_gotos): New function to
12608         duplicate sufficiently small blocks ending in a computed jump.
12609         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
12610         if not optimizing for size.
12611         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
12612         never do tail merging for blocks ending in a computed jump.
12613         * doc/invoke.texi: Document the max-goto-duplication-insns param.
12614
12615 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
12616
12617         Patch from Richard Sandiford <rsandifo@redhat.com>
12618         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
12619         from inheriting a subreg equivalence with a non-spill register.
12620
12621         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
12622
12623 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
12624
12625         * config/frv/frv.c (movcc_fp_destination_operand): New.
12626         (gpr_or_memory_operand): Fix typo in comment.
12627         (gpr_or_memory_operand_with_scratch): New.
12628         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
12629         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
12630         movcc_fp_destination_operand.
12631         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
12632         Legitimize memory addresses using a scratch register.
12633
12634 2005-01-31  Jeff Law  <law@redhat.com>
12635
12636         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
12637         bitmap a sparse bitmap instead of a simple bitmap.
12638         (mark_def_sites_initialize_block):  Corresponding changes.
12639         (ssa_mark_def_sites_initialize_block): Likewise.
12640         (ssa_mark_phi_uses): Likewise.
12641         (mark_def_site, ssa_mark_def_sites): Likewise.
12642         (mark_def_site_blocks): Likewise.
12643         (rewrite_ssa_into_ssa): Likewise.
12644
12645         * tree-ssa-dom.c (record_cond): Pass correct variable type
12646         for last argument to htab_find_slot_with_hash.
12647
12648         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
12649         effects when optimizing 0 % X.  Do not try to optimize X % 0.
12650
12651 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
12652
12653         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
12654         1_mmalua.
12655
12656 2005-02-01  Eric Christopher  <echristo@redhat.com>
12657
12658         * config/mips/mips.c (override_options): Warn if -mint64
12659         is used.
12660         * doc/invoke.texi (MIPS Options): Document that -mint64 is
12661         deprecated.
12662
12663 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
12664
12665         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
12666         timestamp.
12667         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
12668         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
12669         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
12670         (cached_regno): Initialize to INVALID_REGNUM.
12671         (cse_reg_info_table_size,
12672         cse_reg_info_table_first_uninitialized,
12673         cse_reg_info_timestamp): New.
12674         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
12675         get_cse_reg_info.
12676         (init_cse_reg_info, get_cse_reg_info_1): New.
12677         (get_cse_reg_info): Cache the last look-up.
12678         (new_basic_block): Update the code to clear mappings from
12679         registers to cse_reg_info entries.
12680         (cse_main): Call init_cse_reg_info.
12681
12682         * cse.c (get_cse_reg_info): Update a comment.
12683
12684 2005-01-31  Steven Bosscher  <stevenb@suse.de>
12685
12686         PR c/19333
12687         * c-decl.c (start_decl): Do not warn about arrays of elements with
12688         an incomplete type here.
12689         (grokdeclarator): Do it here by making a pedwarn an error.
12690         * c-typeck.c (push_init_level): If there were previous errors with
12691         the constructor type, do not warn about braces for initializers.
12692         (process_init_element): Likewise for excess initializer elements.
12693
12694 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
12695
12696         * cse.c (delete_trivially_dead_insn): Don't iterate.
12697
12698 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
12699
12700         * config/rs6000/rs6000.md (copysignsf3): New expand.
12701         (copysigndf3): Likewise.
12702
12703 2005-01-31  Steven Bosscher  <stevenb@suse.de>
12704
12705         * recog.c (constrain_operands): Only look for earlyclobber operand
12706         conflicts if an '&' constraint was seen.
12707
12708 2005-01-31  Marc Espie <espie@openbsd.org>
12709
12710         * config.gcc: Don't include embedded systems fragment, switches default
12711         debugging format to ELF.
12712         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
12713         longer pick it up there.
12714
12715 2005-01-31  Dale Johannesen  <dalej@apple.com>
12716
12717         * doc/extend.texi (nested functions): Fix linkage description.
12718         Clarify that static is not allowed.
12719
12720 2005-01-31  Dale Johannesen  <dalej@apple.com>
12721
12722         * config/rs6000/darwin.md (movsf_low_di):  Make work.
12723         (movdf_low_di):  Make work.
12724
12725 2005-01-31  Dale Johannesen  <dalej@apple.com>
12726
12727         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
12728         Make work for 64 bit.
12729
12730 2005-01-31  Roger Sayle  <roger@eyesopen.com>
12731             Dale Johannesen  <dalej@apple.com>
12732
12733         PR middle-end/19650
12734         * fold-const.c (fold_binary_op_with_conditional_arg):
12735         Make types match original operands, before STRIP_NOPS.
12736
12737 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
12738
12739         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
12740         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
12741         (struct gcc_sigcontext): Delete.  Merge contents to..
12742         (struct gcc_ucontext): ..here.
12743         (get_sigcontext): Delete.
12744         (get_regs): New function, like get_sigcontext but return regs ptr.
12745         64-bit version finds regs from r1 to support vdso.
12746         (ppc_linux_aux_vector): New function.
12747         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
12748         and vector regs.
12749
12750 2005-01-31  Ira Rosen  <irar@il.ibm.com>
12751
12752         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
12753         sizetype.
12754         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
12755         redundant fold. Fix misalignment for MINUS_EXPR.
12756         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
12757         (vect_analyze_pointer_ref_access): Likewise.
12758         (vect_get_memtag_and_dr): Likewise.
12759
12760 2005-01-31  Richard Henderson  <rth@redhat.com>
12761
12762         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
12763         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
12764         absnegdf2_i387, absnegxf2_i387): Likewise.
12765
12766 2005-01-31  Richard Henderson  <rth@redhat.com>
12767
12768         PR 19696
12769         * optabs.c (expand_copysign_absneg): New.
12770         (expand_copysign_bit): Split out from ...
12771         (expand_copysign): ... here.  Use expand_copysign_absneg.
12772
12773 2005-01-30  Roger Sayle  <roger@eyesopen.com>
12774
12775         PR middle-end/19697
12776         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
12777         constant as the second operand and a register as the third.
12778
12779 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
12780
12781         PR target/19704
12782         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
12783         that dllimport'd functions do not use all call-clobbered registers
12784         to pass parameters.
12785
12786 2005-01-30  Richard Henderson  <rth@redhat.com>
12787
12788         PR 19696
12789         * optabs.c (expand_absneg_bit): Split out from expand_unop and
12790         expand_abs_nojump and generalize.  Use operand_subword and
12791         emit_no_conflict_block.  Support large modes.
12792         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
12793         back to maximum.
12794         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
12795         negation to subtraction.
12796         (expand_copysign): Check that the format has signed zeros.
12797         Use operand_subword and emit_no_conflict_block.  Support large modes.
12798
12799 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
12800
12801         Fix PR tree-optimization/19624
12802
12803         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
12804         * tree-ssa-pre.c: Add cfgloop.h.
12805         Update comment.
12806         (pre_stats): New member, constified.
12807         (inserted_exprs): New static variable.
12808         (NECESSARY): New macro.
12809         (create_expression_by_pieces): Fold the expression, and
12810         mark it as defaulting to not necessary. Also put in
12811         inserted_exprs.
12812         (fully_constant_expression): New function.
12813         (insert_into_preds_of_block): Modify to not insert phis when we
12814         are playing with induction variables.
12815         Push phis onto the inserted_exprs vector, and mark them as not
12816         necessary by default.
12817         (insert_aux): Call fully_constant_expression on eprime.
12818         If all edges produce the same value, mark it constant.
12819         (mark_operand_necessary): New function.
12820         (remove_dead_inserted_code): New function.
12821         (init_pre): Init loop optimizer to get loop info.
12822         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
12823         (execute_pre): Commit edge inserts, then remove dead code.
12824
12825 2005-01-30  Richard Henderson  <rth@redhat.com>
12826
12827         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
12828         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
12829
12830 2005-01-30  Richard Henderson  <rth@redhat.com>
12831
12832         PR target/19700
12833         * config/i386/i386.c (ix86_expand_copysign): New.
12834         (ix86_split_copysign_const): New.
12835         (ix86_split_copysign_var): Rename from ix86_split_copysign,
12836         rearrange op1/nmask operands.
12837         * config/i386/i386-protos.h: Update.
12838         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
12839         (copysigndf3): Likewise.
12840         (copysignsf3_const, copysigndf3_const): New.
12841         (copysignsf3_var): Rename from copysignsf3, split out splitter
12842         and fix split predicate for X constraint.
12843         (copysigndf3_var): Similarly.
12844
12845 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
12846
12847         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
12848         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
12849         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
12850
12851 2005-01-29  Richard Henderson  <rth@redhat.com>
12852
12853         PR target/19690
12854         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
12855         of # and * in constraints.
12856
12857 2005-01-29  Richard Henderson  <rth@redhat.com>
12858
12859         PR middle-end/19689
12860         * expr.c (store_field): Don't strip sub-mode cast when the input
12861         data is even smaller.
12862
12863 2005-01-29  Richard Henderson  <rth@redhat.com>
12864
12865         PR middle-end/19687
12866         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
12867         union being empty.
12868
12869 2005-01-29  Richard Henderson  <rth@redhat.com>
12870
12871         * combine.c (make_field_assignment): Fix argument order
12872         to gen_int_mode.
12873
12874 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
12875
12876         PR tree-optimization/15791
12877         * fold-const.c (extract_array_ref): New function.
12878         (fold): Fold comparisons between &a[i] and &a[j] or
12879         semantically equivalent trees.
12880
12881 2005-01-29  Jeff Law  <law@redhat.com>
12882
12883         * gcse.c (insert_expr_in_table): Revamp handling of available
12884         and anticipatable occurrence lists to avoid unnecessary list
12885         walking.
12886         (insert_set_in_table): Similarly.
12887
12888 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
12889
12890         * c-common.c (fix_string_type): Just use c_build_qualified_type to
12891         build string type.
12892         (c_build_qualified_type): Build qualified array types with
12893         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
12894         * c-decl.c (c_make_fname_decl): Build unqualified array type
12895         before qualified type.
12896         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
12897         type is qualified, not just if type itself is.  Don't apply
12898         qualifiers to array type when declarator is processed.  Apply
12899         qualifiers to field type whether or not it is an array type.
12900         Don't handle array types specially for applying qualifiers to
12901         variables.
12902         * c-typeck.c (composite_type): Build unqualified element type and
12903         array type when forming composite of array types.
12904         (common_pointer_type, comptypes, comp_target_types,
12905         type_lists_compatible_p, build_indirect_ref, build_array_ref,
12906         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
12907         types.
12908         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
12909         (args2) in variables a1 and a2.
12910
12911 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
12912
12913         * cse.c (n_elements_made, max_elements_made): Remove.
12914         (insert): Don't touch n_elements_made.
12915         (cse_main): Don't touch n_elements_made or max_elements_made.
12916
12917 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
12918
12919         PR target/15384
12920         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
12921         configuration part of dp-bit.c to be lost.
12922
12923 2005-01-28  Roger Sayle  <roger@eyesopen.com>
12924
12925         * expmed.c (expand_mult_highpart_optab): When attempting to use
12926         a non-widening multiplication in a wider mode, the operands need
12927         to be converted (zero or sign extended) to that mode.
12928
12929 2005-01-28  Ian Lance Taylor  <ian@airs.com>
12930
12931         PR middle-end/16558
12932         PR middle-end/19583
12933         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
12934         through if both operands fall through.
12935
12936 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12937
12938         * cse.c (fold_rtx) <PC>: Don't optimize.
12939
12940 2005-01-28  Jeff Law  <law@redhat.com>
12941
12942         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
12943         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
12944
12945 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12946
12947         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
12948         cse_reg_info_used_list_end): Remove.
12949         (cse_reg_info_list, cse_reg_info_list_free): New.
12950         (get_cse_reg_info): When allocating an instance of
12951         cse_reg_info, add it to the beginning of the cse_reg_info_list
12952         list.  Remove code to maintain cse_reg_info_used_list.
12953         (new_basic_block): Reset the free list to the beginning of
12954         cse_reg_info_list.
12955
12956 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
12957
12958         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
12959         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
12960         (frv_expand_mdpackh_builtin): New function.
12961         (frv_expand_builtin): Use it to expand __MDPACKH.
12962         * doc/extend.texi (__MDPACKH): Update documentation.
12963
12964 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
12965
12966         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
12967         SSE_FLOAT_MODE_P for use_sse computation.
12968
12969 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
12970
12971         PR target/19663
12972         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
12973
12974 2005-01-27  Richard Henderson  <rth@redhat.com>
12975
12976         * builtins.c (expand_builtin_copysign): New.
12977         (expand_builtin): Call it.
12978         * genopinit.c (optabs): Add copysign_optab.
12979         * optabs.c (init_optabs): Initialize it.
12980         (expand_copysign): New.
12981         * optabs.h (OTI_copysign, copysign_optab): New.
12982         (expand_copysign): Declare.
12983
12984         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
12985         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
12986
12987         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
12988         (ix86_expand_fp_absneg_operator): ... here.
12989         (ix86_split_copysign): New.
12990         * config/i386/i386-protos.h: Update.
12991         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
12992         (copysignsf3, copysigndf3): New.
12993
12994         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
12995         (copysignsf3, ncopysignsf3): New.
12996         (copysigndf3, ncopysigndf3): New.
12997         (copysignxf3, ncopysignxf3): New.
12998         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
12999
13000 2005-01-27  Arend Bayer  <arend.bayer@web.de>
13001             Kazu Hirata  <kazu@cs.umass.edu>
13002
13003         * cse.c: (find_best_addr): Don't call copy_rtx before calling
13004         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
13005         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
13006         NULL_RTX.
13007
13008 2005-01-27  Jeff Law  <law@redhat.com>
13009
13010         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
13011         definitions of SSA_NAMEs which are not being rewritten.
13012         (rewrite_ssa_into_ssa): Only initialize the current definition
13013         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
13014         If checking is enabled, assert that SSA_NAME_AUX is clear for all
13015         SSA_NAMEs before returning.
13016
13017 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
13018
13019         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
13020         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
13021         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
13022         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
13023         config/mips/iris6.h, config/sh/sh.c: Update copyright.
13024
13025 2005-01-27  Steven Bosscher  <stevenb@suse.de>
13026
13027         PR middle-end/17278
13028         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
13029         higher to -O2 and higher.  Likewise for tree PRE.
13030         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
13031         and better.
13032
13033 2005-01-27  Ian Lance Taylor  <ian@airs.com>
13034
13035         PR middle-end/19583
13036         * gimple-low.c (try_catch_may_fallthru): New static function.
13037         (block_may_fallthru): Handle TRY_CATCH_EXPR.
13038         * tree-inline.c (expand_call_inline): Don't warn about reaching
13039         the end of a non-void function being inlined if the function uses
13040         a return slot.
13041
13042 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
13043
13044         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
13045
13046         PR c/18946
13047         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
13048         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
13049         (implicitly_declare): Handle error_mark_node.
13050
13051 2005-01-27  Richard Henderson  <rth@redhat.com>
13052
13053         PR tree-opt/14329
13054         * tree.h (struct tree_decl): Add debug_expr_is_from.
13055         (DECL_DEBUG_EXPR_IS_FROM): New.
13056         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
13057         * dwarf2out.c (dwarf2out_var_location): Update to match.
13058         * tree-outof-ssa.c (create_temp): Likewise.
13059         * var-tracking.c (track_expr_p): Likewise.
13060         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
13061         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
13062         * toplev.c (default_tree_printer): Likewise.
13063
13064 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
13065
13066         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
13067         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
13068
13069 2005-01-27  Steven Bosscher  <stevenb@suse.de>
13070
13071         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
13072         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
13073         ASM_CLOBBERS): Add tree checks.
13074
13075         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
13076         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
13077         * c-common.def (SWITCH_STMT): Update to match.
13078         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
13079         macros instead of SWITCH_EXPR ones.
13080         * c-dump.c (c_dump_tree): Likewise.
13081         * c-gimplify.c (gimplify_switch_stmt): Likewise.
13082         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
13083
13084         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
13085
13086 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
13087
13088         * unwind-dw2.c (execute_stack_op): Add missing cases for
13089         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
13090
13091 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
13092
13093         * config.gcc (Obsolete configurations): Remove 'dummy', add
13094         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
13095         sparc-*-openbsd*.
13096
13097 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
13098
13099         PR tree-optimization/19633
13100         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
13101         CALL_EXPRs.
13102         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
13103         are no call-clobbered variables.
13104         * tree-outof-ssa.c (check_replaceable): Return false for calls
13105         with side-effects.
13106
13107 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
13108
13109         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
13110         even for variables with NULL DECL_INITIAL.
13111
13112 2005-01-26  Stuart Hastings  <stuart@apple.com>
13113
13114         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
13115
13116 2005-01-26  Richard Henderson  <rth@redhat.com>
13117
13118         PR middle-end/18008
13119         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
13120         field's type.
13121         * expr.c (store_field): Strip conversions to odd-bit-sized types
13122         if the destination field width matches.
13123
13124 2005-01-26  Richard Henderson  <rth@redhat.com>
13125
13126         * c-decl.c, expmed.c, expr.c: Revert last change.
13127
13128 2005-01-26  Richard Henderson  <rth@redhat.com>
13129
13130         PR middle-end/18008
13131         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
13132         field's type.
13133         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
13134         if we don't need the bits above those present in the current mode.
13135         * expr.c (store_field): Strip conversions to odd-bit-sized types
13136         if the destination field width matches.
13137
13138 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
13139
13140         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
13141         either -ffast-math or -funsafe-math-optimizations is in use.
13142
13143 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
13144
13145         PR target/19293
13146         PR target/19329
13147         * config/avr/avr.c (notice_update_cc): Only set condition code for
13148         ashrqi3 if shift count > 0.
13149         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
13150         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
13151         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
13152         count <= 0 as a no-op, and shift count >= width by copying zero
13153         or sign bit to all bits of the result.
13154         * config/avr/avr.md (all shifts): Add alternatives for zero shift
13155         count, with attribute "length" set to 0 and "cc" set to "none".
13156
13157 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
13158
13159         * doc/invoke.texi: Document -mTLS.
13160
13161         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
13162         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
13163         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
13164         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
13165         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
13166         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
13167         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
13168         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
13169
13170         * configure.ac: Check for a TLS capable gas.
13171
13172         * configure: Regenerate.
13173
13174 2005-01-26  Richard Henderson  <rth@redhat.com>
13175
13176         PR middle-end/18008
13177         * combine.c (make_field_assignment): Simplify store to zero_extract
13178         from a source with an overlapping mask.
13179
13180 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
13181
13182         2004-11-11  Eric Christopher  <echristo@redhat.com>
13183
13184         * config/frv/frv.md: Add fr400_integer automaton. Don't
13185         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
13186         to TYPE_MACC.
13187
13188 2005-01-26  Steven Bosscher  <stevenb@suse.de>
13189
13190         PR middle-end/16585
13191         * cfgbuild.c (make_edges): Do not clear or set
13192         current_function_has_computed_jump.
13193         * function.h (struct function): Remove the has_computed_jump field.
13194         (current_function_has_computed_jump): Do not define.
13195         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
13196         in a computed jump.  Ignore current_function_has_computed_jump.
13197
13198 2005-01-26  Richard Henderson  <rth@redhat.com>
13199
13200         PR middle-end/19515
13201         * expr.c (categorize_ctor_elements): New argument p_must_clear.
13202         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
13203         fully initialized.
13204         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
13205         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
13206         objects into static storage if they have more than one non-zero value.
13207         * tree.h (categorize_ctor_elements): Update decl.
13208
13209 2005-01-26  Steven Bosscher  <stevenb@suse.de>
13210
13211         PR middle-end/19616
13212         * tree.h (CALL_EXPR_TAILCALL): Add comment.
13213         * calls.c (check_sibcall_argument_overlap_1): Revert the change
13214         to this function from 2004-07-10.
13215         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
13216         the current function for tail call optimizations if the address
13217         of one of it its arguments is taken.
13218
13219 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
13220
13221         * cse.c (fold_rtx): Call equiv_constant only when necessary.
13222
13223 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
13224
13225         * function.c (expand_function_end): If current_function_calls_alloca,
13226         emit stack restore in a place that is reached when the function falls
13227         through at the end.
13228
13229 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
13230
13231         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
13232         rule to avoid matching inappropriate suffix rule.
13233
13234 2005-01-26  Jan Hubicka  <jh@suse.cz>
13235
13236         PR tree-optimization/19241
13237         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
13238
13239 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
13240
13241         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
13242         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
13243         of doubling.
13244         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
13245         <sim*>: Always use crt1.o, regardless of N in simN.
13246         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
13247         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
13248         (CRT_CALL_STATIC_FUNCTION): Remove.
13249         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
13250         use crt1.o, regardless of N in simN.
13251         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
13252         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
13253         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
13254         case isystem setting.
13255         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
13256
13257 2005-01-25  Ian Lance Taylor  <ian@airs.com>
13258
13259         * gimple-low.c (block_may_fallthru): Correct handling of
13260         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
13261
13262 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
13263
13264         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
13265         handlers to match indentation; nested under the mtune=* handler.
13266         Similar for mcpu= and march=.
13267
13268 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
13269
13270         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
13271         * config/mips/linux64.h (LIB_SPEC): Likewise.
13272         * config/mn10300/linux.h (LIB_SPEC): Likewise.
13273         * config/sh/linux.h (LIB_SPEC): Likewise.
13274
13275 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
13276
13277         * config/frv/frv.c (frv_legitimize_tls_address): New.
13278         (TARGET_HAVE_TLS): Define.
13279         (FRV_SYMBOL_REF_TLS_P): Define.
13280         (frv_override_options): Handle new register classes.
13281         (frv_legitimate_address_p): Reject tls addresses.
13282         (frv_legitimize_address): Handle TLS addresses.
13283         (gen_inlined_tls_plt): New.
13284         (gen_tlsmoff): New.
13285         (frv_legitimize_tls_address): New.
13286         (unspec_got_name): Add TLS entries.
13287         (got12_operand): Add R_FRV_TLSMOFF12 case.
13288         (frv_emit_move): Fixup TLS addresses.
13289         (frv_emit_movsi): Legitimize TLS addresses.
13290
13291         * config/frv/frv.h (MASK_BIG_TLS): New.
13292         (TARGET_BIG_TLS): New.
13293         (HAVE_AS_TLS): Define.
13294         (TARGET_SWITCHES): Add -mTLS and -mtls options.
13295         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
13296         (REG_CLASS_NAMES): Same.
13297         (REG_CLASS_CONTENTS): Same.
13298         (CONSTRAINT_LEN): New.
13299         (REG_CLASS_FROM_CONSTRAINT): New.
13300         (PREDICATE_CODES): Add symbolic_operand.
13301
13302         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
13303         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
13304         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
13305         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
13306         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
13307         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
13308         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
13309         GR9_REG, GR14_REG, LRREG.
13310         (type): Add load_or_call attribute.
13311         ("load_or_call"): New reservation.
13312         ("call_gettlsoff"): New.
13313         ("tls_indirect_call"): New.
13314         ("tls_load_gottlsoff12"): New.
13315         ("tlsoff_hilo"): New.
13316         ("tls_tlsdesc_ldd"): New.
13317         ("tls_tlsoff_ld"): New.
13318         ("tls_lddi"): New.
13319
13320         * config/frv/frv-protos.h (symbolic_operand): Protoize.
13321
13322         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
13323
13324         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
13325         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
13326         * config/frv/frv.c (TLS_BIAS): Define.
13327         (frv_output_dwarf_dtprel): New.
13328
13329 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
13330
13331         PR rtl-optimization/19579
13332         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
13333         both A and B, see if they don't clobber registers the other expr uses.
13334
13335 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
13336
13337         * real.c (do_add): Initialize signalling and canonical members.
13338
13339         * real.c (real_from_integer): Zero out destination.
13340
13341 2005-01-18  Jan Hubicka  <jh@suse.cz>
13342
13343         PR tree-optimize/19337
13344         * tree-inline.c (initialize_inlined_parameters): Copy
13345         saved_static_chain_decl only.
13346
13347 2005-01-25  Richard Henderson  <rth@redhat.com>
13348
13349         PR target/19556
13350         PR target/19584
13351         * config/i386/i386.c (x86_inter_unit_moves): Zero.
13352         (ix86_preferred_reload_class): Rewrite fp-constant section, with
13353         80387 enabled, to return a proper subclass.  Return the subset that
13354         overlaps with GENERAL_REGS for PLUS.
13355         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
13356
13357 2005-01-25  Richard Henderson  <rth@redhat.com>
13358
13359         PR middle-end/19609
13360         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
13361
13362 2005-01-25  Roger Sayle  <roger@eyesopen.com>
13363
13364         * expmed.c (choose_multiplier): Change interface to return the
13365         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
13366         (expand_divmod): Update calls to choose_multiplier.
13367
13368 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13369
13370         PR middle-end/19330
13371         * expmed.c (extract_bit_field): Use adjust_address instead of
13372         gen_lowpart when op0 is a MEM.
13373
13374 2005-01-24  Steven Bosscher  <stevenb@suse.de>
13375
13376         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
13377
13378 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
13379
13380         * config/mips/irix-csr.c: New file.
13381         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
13382         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
13383         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
13384         executables.
13385
13386 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
13387
13388         PR bootstrap/19364
13389         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
13390         sparc/elf.h, add sparc/sp-elf.h.
13391         (sparc-*-rtems*): Likewise.
13392         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
13393         tm-dwarf2.h, add sparc/sp-elf.h.
13394         (sparc86x-*-elf): Likewise.
13395         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
13396         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
13397         TARGET_OS_CPP_BUILTINS.
13398         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13399         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13400         Undefine it.
13401         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
13402         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
13403         (SWITCH_TAKES_ARG): Likewise.
13404         (LOCAL_LABEL_PREFIX): Likewise.
13405         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
13406         (TARGET_N_FORMAT_TYPES): Delete.
13407         (TARGET_FORMAT_TYPES): Likewise.
13408         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
13409         * config/sparc/elf.h: Delete.
13410         * config/sparc/sp-elf.h: New file.
13411
13412 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
13413
13414         * tree-flow-inline.h (phi_arg_from_edge): Remove.
13415         * tree-flow.h: Remove the corresponding prototype.
13416         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
13417         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
13418
13419 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
13420
13421         PR target/17751
13422         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
13423         for AIX ABI or ELF -fPIC.
13424         (rs6000_emit_load_toc_table): Don't create toc_section here.
13425         (rs6000_xcoff_file_start): Nor here.
13426
13427 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
13428
13429         * sh.c (ra.h): Don't #include.
13430         (hard_regs_intersect_p): New function, resurrected from ra.c.
13431
13432         * sh.c: Fix 1996 Copyright.
13433
13434 2005-01-24  Richard Henderson  <rth@redhat.com>
13435             Aldy Hernandez  <aldyh@redhat.com>
13436
13437         * regrename.c (note_sets): Handle subregs.
13438
13439 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
13440
13441         PR bootstrap/18058
13442         * genconditions.c (write_header, write_conditions): Elide file if
13443         not GCC >= 3.0.1.
13444
13445 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
13446
13447         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
13448         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
13449         Update copyright.
13450
13451 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
13452
13453         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
13454         expand_builtin_printf, expand_builtin_fprintf,
13455         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
13456         checking against POINTER_TYPE.
13457         (validate_arglist): Handle POINTER_TYPE code by checking
13458         POINTER_TYPE_P.
13459
13460 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
13461
13462         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
13463         init_rtlanal): New.
13464         (for_each_rtx): Call for_each_rtx_1.
13465         * rtl.h (init_rtlanal): Declare.
13466         * toplev.c (backend_init): Call init_rtlanal.
13467
13468 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
13469
13470         * flow.c (propagate_one_insn): Formatting.
13471
13472         PR middle-end/19551
13473         * flow.c (libcall_dead_p): Be more conservative if unsure.
13474         If there are any instructions between insn and call, see if they are
13475         all dead before saying the libcall is dead.
13476
13477 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
13478
13479         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
13480         operand constraint for operand 0.
13481
13482 2005-01-23  Richard Henderson  <rth@redhat.com>
13483
13484         PR 19486
13485         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
13486         edges leading to join block.
13487
13488 2005-01-23  Roger Sayle  <roger@eyesopen.com>
13489
13490         * expmed.c (expand_mult_highpart): Make static.  Change type of
13491         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
13492         (expand_divmod): Updates calls to expand_mult_highpart by using
13493         gen_int_mode to pass a CONST_INT rtx.
13494         * rtl.h (expand_mult_highpart): Remove prototype.
13495
13496 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
13497
13498         * flow.c (regset_bytes, regset_size): Remove.
13499
13500         * cfganal.c: Fix a reference to Harvey's paper.
13501
13502 2005-01-23  Steven Bosscher  <stevenb@suse.de>
13503
13504         PR rtl-optimization/19464
13505         * tree-optimize.c (init_tree_optimization_passes): Add one more
13506         copyrename pass just before out-of-ssa.
13507
13508 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
13509
13510         PR bootstrap/18058
13511         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
13512         * ggc-none.c (ggc_free): Define.
13513
13514 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
13515
13516         * cse.c (max_reg, max_insn_uid): Remove.
13517         (cse_main): Don't access max_reg or max_insn_uid.
13518
13519         * c-common.c (explicit_flag_signed_bitfields,
13520         lang_statement_code_p, lang_expand_function_end): Remove.
13521         * c-common.h: Remove the corresponding declarations.
13522         * c-opts.c (c_common_handle_option): Remove all write access
13523         to explicit_flag_signed_bitfields.
13524
13525         * cgraph.c (cgraph_varpool_n_nodes): Remove.
13526         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
13527         * cgraph.h: Remove the corresponding declaration.
13528
13529         * gcse.c (null_pointer_info): Remove.
13530
13531 2005-01-23  Roger Sayle  <roger@eyesopen.com>
13532             Eric Botcazou  <ebotcazou@libertysurf.fr>
13533
13534         * combine.c (simplify_logical): Only simplify logical expressions
13535         of the form ior(and(x,y),z) by the inverse distributive law if the
13536         result is cheaper than the original.
13537
13538 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
13539
13540         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
13541         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
13542         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
13543         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
13544         config/freebsd-spec.h, config/arm/arm.h,
13545         config/h8300/h8300.md, config/i386/i386.md,
13546         config/i386/predicates.md, config/i386/sse.md,
13547         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
13548         config/vax/vax.md: Fix comment typos.  Follow spelling
13549         conventions.
13550
13551 2005-01-23  Steven Bosscher  <stevenb@suse.de>
13552
13553         * gengtype.c (walk_type): Produce `not equal to' compares for loop
13554         tests, instead of `less than'.
13555
13556 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
13557
13558         * function.c (assign_parm_setup_block): When creating a new stack slot
13559         for a parameter, get its alignment from the parameter's DECL_ALIGN
13560         rather than the type's TYPE_ALIGN.  Make sure that the parameter
13561         is at least word aligned.
13562
13563 2005-01-22  Roger Sayle  <roger@eyesopen.com>
13564
13565         PR middle-end/19378
13566         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
13567
13568 2005-01-22  Richard Henderson  <rth@redhat.com>
13569
13570         PR target/19506
13571         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
13572         in both compare operands.
13573         (movdfcc_1_sse_max): Likewise.
13574         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
13575         (movdfcc_1_sse): Likewise.
13576         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
13577         scratch register as needed.
13578
13579 2005-01-22  Richard Henderson  <rth@redhat.com>
13580
13581         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
13582
13583         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
13584
13585 2005-01-22  Richard Henderson  <rth@redhat.com>
13586
13587         * genopinit.c (optabs): Use smin/smax for floating point too.
13588         * doc/md.texi: Update to match.  Clarify that floating point
13589         results are undefined for +0/-0 and NaN.
13590         * doc/rtl.texi: Likewise.
13591         * rtl.def (SMIN, SMAX): Likewise
13592         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
13593
13594         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
13595         leading 's' to the name.
13596         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
13597         smaxxf3, sminxf3): Likewise.
13598         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
13599         Likewise.
13600
13601 2005-01-22  Paul Brook  <paul@codesourcery.com>
13602
13603         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
13604
13605 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
13606
13607         * config/s390/s390.c (struct processor_costs): New fields
13608         dlgr, dlr, dr, dsgfr, dsgr.
13609         (z900_cost, z990_cost): Values for new fields.
13610         (s390_rtx_costs): New cases MEM und COMPARE in switch
13611         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
13612         DIV, MOD, UDIV, UMOD.
13613
13614 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
13615
13616         * config/s390/s390.md ("doloop_si64"): Reload input value directly
13617         into the register being decremented.
13618         ("doloop_si31", "doloop_di"): Likewise.
13619         ("*doloop_si_long"): Adapt pattern.
13620
13621 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
13622
13623         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
13624         access registers.
13625         (CLASS_MAX_NREGS): Likewise.
13626
13627 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
13628
13629         * doc/tree-ssa.texi (Statement Operands): Add example for new
13630         must-def macro. Note deprecation of old operands interface.
13631
13632 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
13633
13634         PR tree-optimization/19484
13635         * tree-cfg.c (remove_fallthru_edge): New function.
13636         (cleanup_control_flow): Remove fallthru edges from calls that are
13637         now known not to return.
13638
13639 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
13640
13641         Fix PR tree-optimization/19038
13642         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
13643         copies with loop variant ones.
13644
13645 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
13646
13647         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
13648         config/alpha/alpha-protos.h, config/alpha/alpha.h,
13649         config/alpha/alpha.md, config/alpha/predicates.md,
13650         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
13651         config/sparc/sol2.h: Update copyright.
13652
13653         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
13654         first label to see if it is a nonlocal label.
13655
13656 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
13657             Andrew Pinski  <pinskia@physics.uc.edu>
13658
13659         PR target/19491
13660         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
13661         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
13662
13663 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
13664
13665         * config/rs6000/rtems.h: Update copyright.
13666
13667 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
13668
13669         PR target/19548
13670         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
13671         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
13672         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
13673
13674 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
13675
13676         PR c/18809
13677         * c-typeck.c (convert_arguments): Check for error_mark_node.
13678
13679 2005-01-21  Ian Lance Taylor  <ian@airs.com>
13680
13681         PR tree-optimization/13000
13682         * tree-inline.c: Include "tree-flow.h".
13683         (expand_call_inline): If warn_return_type, warn if non-void inline
13684         function falls through.
13685         * tree-cfg.c (execute_warn_function_return): Don't warn about
13686         control reaching end if TREE_NO_WARNING is set.  Set
13687         TREE_NO_WARNING.
13688         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
13689         has been lowered.
13690         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
13691         branch if we don't need one.
13692         * c-typeck.c: Include "tree-flow.h"
13693         (c_finish_bc_stmt): Don't add a goto if the current statement
13694         list doesn't fall through to the current point.
13695
13696 2005-01-21  Roger Sayle  <roger@eyesopen.com>
13697
13698         PR rtl-optimization/576
13699         * real.c (real_arithmetic): Change return type from void to bool
13700         to return an indication that the result may be inexact.
13701         * real.h (real_arithmeric): Update prototype.
13702         * fold-const.c (const_binop):  Don't constant fold floating
13703         point expressions when the user specifies -frounding-math and
13704         the result may depend upon the run-time rounding mode.
13705         (fold_convert_const_real_from_real): Clean-up.
13706         (fold_initializer): Ignore flag_rounding_math for initializers.
13707         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
13708         constant fold FP operations with flag_rounding_math if the
13709         result may depend upon the run-time rounding mode.
13710
13711 2005-01-21  Tom Tromey  <tromey@redhat.com>
13712
13713         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
13714
13715 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
13716
13717         * tree-cfg.c: Fix comment typos.
13718
13719 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
13720
13721         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
13722         around the call to rest_of_handle_branch_target_load_optimize.
13723
13724 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
13725
13726         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
13727         (sparc64-*-openbsd*): Likewise.
13728         (sparclite-*-elf*): Include tm-dwarf2.h.
13729         (sparc86x-*-elf*): Likewise.
13730         (sparc64-*-elf*): Likewise.
13731         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
13732         (DBX_DEBUGGING_INFO): Likewise.
13733         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
13734         (PREFERRED_DEBUGGING_TYPE): Likewise.
13735         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
13736         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
13737         (PREFERRED_DEBUGGING_TYPE): Likewise.
13738         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
13739         (PREFERRED_DEBUGGING_TYPE): Likewise.
13740         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
13741
13742 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
13743
13744         PR target/18701
13745         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
13746
13747 2005-01-20  Paul Brook  <paul@codesourcery.com>
13748
13749         * doc/rtl.texi: Document value extension requirements for CONST_INT.
13750
13751 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
13752
13753         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
13754         label is first in a sequence of labels.
13755
13756         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
13757
13758 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
13759             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
13760
13761         * doc/sourcebuild.texi (Test Directives): New.
13762
13763 2005-01-20  Roger Sayle  <roger@eyesopen.com>
13764
13765         * real.c (real_floor): Don't leave the result uninitialized when
13766         mode is VOIDMode, but return the unrounded intermediate value.
13767         (real_ceil): Likewise.
13768
13769 2005-01-20  Paul Brook  <paul@codesourcery.com>
13770
13771         * config/arm/arm.md (insv): Use gen_int_mode.
13772
13773 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
13774
13775         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
13776         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13777         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13778         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13779         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13780
13781 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
13782
13783         Fix PR debug/19124
13784         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
13785         fbreg, so we have to assume we can't.
13786         (loc_descriptor_from_tree_1): Ditto.
13787         (containing_function_has_frame_base): New function.
13788         (add_location_or_const_value_attribute): Use it.
13789         Also try to generate a frame_base from a single element location
13790         list.
13791
13792 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
13793
13794         PR tree-optimization/15349
13795         * timevar.def (TV_TREE_MERGE_PHI): New.
13796         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
13797         PHI_WANTED.
13798         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
13799         calls to tree_forwarder_block_p.
13800         (remove_forwarder_block_with_phi, merge_phi_nodes,
13801         gate_merge_phi, pass_merge_phi): New.
13802         * tree-optimize.c (init_tree_optimization_passes): Add
13803         pass_merge_phi.
13804         * tree-pass.h: Add an extern for pass_merge_phi;
13805
13806 2005-01-20  Richard Henderson  <rth@redhat.com>
13807
13808         PR target/19418
13809         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
13810         (_mm_castps_pd, _mm_castps_si128): New.
13811         (_mm_castsi128_ps, _mm_castsi128_pd): New.
13812
13813 2005-01-20  Richard Henderson  <rth@redhat.com>
13814
13815         PR target/19530
13816         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
13817         __builtin_ia32_vec_init_v2si.
13818         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
13819         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
13820         (ix86_init_mmx_sse_builtins): Create it.
13821         (ix86_expand_builtin): Expand it.
13822         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
13823         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
13824         (vec_extractv2si_0, vec_extractv2si_1): New.
13825
13826 2005-01-20  Richard Henderson  <rth@redhat.com>
13827
13828         PR target/16533
13829         * config/i386/i386.c (ix86_expand_push): New.
13830         * config/i386/mmx.md (push<MMXMODE>1): New.
13831         * config/i386/sse.md (push<SSEMODE>1): New.
13832         * config/i386/i386-protos.h: Update.
13833
13834 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
13835
13836         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
13837         copyright.
13838
13839 2005-01-20  Richard Henderson  <rth@redhat.com>
13840
13841         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
13842         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
13843
13844 2005-01-19  Richard Henderson  <rth@redhat.com>
13845
13846         PR target/19350
13847         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
13848         to V4SFmode in SSE1 fallback load path.
13849
13850 2005-01-19  Richard Henderson  <rth@redhat.com>
13851
13852         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
13853         in QImode expansion to ix86_expand_vector_set.
13854         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
13855
13856 2005-01-19  Richard Henderson  <rth@redhat.com>
13857
13858         PR target/19511
13859         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
13860         subclass of the input class.
13861         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
13862         Always true for cross-SSE1 classes.  Rationalize conditionals.
13863         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
13864         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
13865         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
13866         (movdi_2): Add MMX/SSE zeros.
13867         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
13868         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
13869         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
13870         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
13871         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
13872         (zero_extendsidi2_rex64_1): Remove.
13873         (MOV0 peephole): Check GENERAL_REG_P.
13874
13875 2005-01-19  Richard Henderson  <rth@redhat.com>
13876
13877         PR target/19427
13878         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
13879         shufps elements.
13880         (ix86_expand_vector_extract): Likewise.
13881
13882 2005-01-19  Richard Henderson  <rth@redhat.com>
13883
13884         PR middle-end/19304
13885         * expr.c (emit_move_change_mode): New argument force; use
13886         simplify_gen_subreg if true.
13887         (emit_move_via_alt_mode): Merge into ...
13888         (emit_move_via_integer): ... here.
13889         (emit_move_ccmode): Use emit_move_change_mode directly.
13890
13891 2005-01-19  Richard Henderson  <rth@redhat.com>
13892
13893         PR target/19518
13894         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
13895         (alpha_preferred_reload_class): Handle CONST_VECTOR.
13896         (alpha_emit_set_const_1): Add no_output parameter; don't emit
13897         rtl if true.
13898         (alpha_emit_set_const): Likewise.  Make static.
13899         (alpha_emit_set_long_const): Make static.
13900         (alpha_extract_integer): Split out from alpha_expand_mov.
13901         (alpha_split_const_mov): Likewise.
13902         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
13903         (alpha_legitimate_constant_p): New.
13904         * config/alpha/alpha-protos.h: Update.
13905         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
13906         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
13907         * config/alpha/alpha.md (movsi): Add n alternative.
13908         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
13909         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
13910         (splitters for all of the above): Use alpha_split_const_mov.
13911         * config/alpha/predicates.md (non_add_const_operand): New.
13912         (non_zero_const_operand): New.
13913         (input_operand): Use alpha_legitimate_constant_p after reload.
13914
13915 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
13916
13917         PR tree-optimization/19038
13918         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
13919         (add_candidate): Add ivs with increment in latch only if
13920         allow_ip_end_pos_p is true.
13921         (determine_iv_cost): Use empty_block_p.
13922
13923 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
13924
13925         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
13926         (compute_dominance_frontiers): Ditto.
13927
13928 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
13929
13930         PR target/19529
13931         * config/sh/t-rtems: New.
13932         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
13933
13934 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
13935
13936         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
13937         the offset of the selected field.
13938
13939 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
13940
13941         * tree-cfg.c (remove_forwarder_block): Fix the check to
13942         prevent a nonlocal label from appearing in the middle of a
13943         basic block.
13944
13945 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
13946
13947         PR rtl-optimization/19462
13948         * reorg.c (find_end_label): Create return insn only if
13949         current_function_epilogue_delay_list is empty.
13950
13951 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
13952
13953         * doc/passes.texi: Remove paragraph mentioning new-ra.
13954
13955 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
13956
13957         PR rtl-optimization/15139
13958         * combine.c: Include params.h.
13959         (count_rtxs): New function.
13960         (record_value_for_reg): If replace_rtx would replace at least
13961         2 occurrences of REG in VALUE and TEM is really large, replace REG with
13962         (clobber (const_int 0)) instead of TEM.
13963         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
13964         * params.h (MAX_LAST_VALUE_RTL): New.
13965         * Makefile.in (combine.o): Depend on $(PARAMS_H).
13966         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
13967
13968         PR c/17297
13969         * c-typeck.c (digest_init): Only call build_vector if all constructor
13970         elements are *_CST nodes.
13971         * gimplify.c (gimplify_init_constructor): Likewise.
13972
13973         PR middle-end/19164
13974         * c-typeck.c (digest_init): Only call build_vector if inside_init
13975         is a CONSTRUCTOR.
13976
13977 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
13978
13979         * toplev.c (init_asm_output): Remove dead #ifdef.
13980
13981 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
13982
13983         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
13984
13985 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
13986
13987         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
13988         accessing DECL_FUNCTION_CODE.
13989         * dojump.c (do_jump): Likewise.
13990         * gimplify.c (gimplify_call_expr): Likewise.
13991         * predict.c (expr_expected_value): Likewise.
13992         (strip_builtin_expect): Likewise.
13993         * tree-inline.c (estimate_num_insns_1): Likewise.
13994         * tree-ssa-loop-im.c (stmt_cost): Likewise
13995         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
13996         (tree_expr_nonnegative_p): Likewise.
13997
13998 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
13999
14000         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
14001         variant of the load_pcrel_sym pattern.
14002         * config/sparc/sparc.md (P macro): Move to the top.
14003         (load_pcrel_sym): Macroize using P.
14004         (save_register_window): Likewise.
14005
14006 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
14007
14008         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
14009         ("sordered"): Same.
14010
14011 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
14012
14013         PR C/19472
14014         * c-typeck.c (build_asm_expr): Strip nops off
14015         input memory operands.
14016
14017 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
14018
14019         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
14020         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
14021         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
14022         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
14023
14024 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
14025
14026         PR target/19379
14027         * config/i386/i386.c (override_options): If the 80387 is disabled,
14028         then do not return FP values using FP registers.
14029
14030 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
14031
14032         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
14033         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
14034         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
14035         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
14036         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
14037         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
14038         output.h, postreload-gcse.c, postreload.c, recog.c,
14039         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
14040         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
14041         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
14042         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
14043         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
14044         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
14045         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
14046         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
14047
14048         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
14049         config/alpha/alpha.c, config/arm/vfp.md,
14050         config/i386/emmintrin.h, config/i386/i386-modes.def,
14051         config/i386/i386-protos.h, config/i386/i386.h,
14052         config/i386/pmmintrin.h, config/i386/ppro.md,
14053         config/i386/predicates.md, config/i386/xmmintrin.h,
14054         config/i860/i860.c, config/ia64/ia64-modes.def,
14055         config/ia64/ia64-protos.h, config/ia64/ia64.h,
14056         config/ia64/ia64.md, config/ia64/itanium1.md,
14057         config/ia64/itanium2.md, config/ia64/predicates.md,
14058         config/iq2000/iq2000.h, config/mips/linux64.h,
14059         config/rs6000/aix41.h, config/rs6000/aix43.h,
14060         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
14061         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
14062         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
14063         config/sparc/linux64.h, config/sparc/litecoff.h,
14064         config/sparc/sp64-elf.h, config/sparc/sparc.c,
14065         config/sparc/sparc.h, config/sparc/sparc.md,
14066         config/sparc/sysv4-only.h: Update copyright.
14067
14068 2005-01-18  Richard Henderson  <rth@redhat.com>
14069
14070         PR target/19496
14071         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
14072
14073 2005-01-18  Marc Espie  <espie@openbsd.org>
14074         * config/i386/openbsdelf.h: Typo.
14075
14076 2005-01-18  Richard Henderson  <rth@redhat.com>
14077
14078         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
14079         special case for sse.
14080         * config/i386/predicates.md (sse_comparison_operator): Likewise.
14081
14082 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
14083
14084         * tree-inline.c (estimate_num_insns_1): Added cases for
14085         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
14086
14087 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
14088
14089         PR rtl-optimization/19296
14090         * combine.c (simplify_comparison): Rewrite the condition under
14091         which a non-paradoxical SUBREG of a PLUS can be lifted when
14092         compared against a constant.
14093
14094 2005-01-18  Andi Kleen <ak@muc.de>
14095
14096         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
14097         * c.opt (-Wpointer-sign): Add.
14098         * doc/invoke.texi: (-Wpointer-sign): Add.
14099
14100 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
14101
14102         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
14103         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
14104         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
14105         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
14106         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
14107         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
14108         for TARGET_MIX_SSE_I387.
14109         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
14110         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
14111         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
14112         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
14113         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
14114         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
14115         TARGET_MIX_SSE_I387.
14116         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
14117         from expander.
14118
14119 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
14120
14121         PR target/19424
14122         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
14123         Add movaps alternative for xmm reg->reg move.
14124
14125 2005-01-17  Jeff Law  <law@redhat.com>
14126
14127         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
14128         at the end of the main DOM loop rather than just before DOM exits.
14129
14130 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
14131
14132         PR tree-optimization/19121
14133         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
14134         adding aliases to a name tag, also add them to the pointer's
14135         type tag.
14136         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
14137         sensitive alias info at all.  Only check that the two pointers
14138         have compatible pointed-to sets.
14139         * tree-ssa.c (verify_name_tags): Verify that the alias set of
14140         a pointer's type tag is a superset of the alias set of the
14141         pointer's name tag.
14142
14143 2005-01-17  James E Wilson  <wilson@specifixinc.com>
14144
14145         PR target/19357
14146         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
14147         comment to document why.
14148
14149 2005-01-17  Richard Henderson  <rth@redhat.com>
14150
14151         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
14152         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
14153         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
14154         sse2_vmsminv2df3_finite): New.
14155         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
14156         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
14157         Force op1 into register.
14158
14159 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
14160
14161         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
14162         bubblestrap from always rebuilding build directory.
14163
14164 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
14165
14166         * config/s390/s390.md ("*clc"): Remove incorrect '='.
14167         ("*cmpmem_short"): Likewise.
14168
14169 2005-01-17  Steven Bosscher  <stevenb@suse.de>
14170
14171         * basic-block.h: Document BB_* flags.
14172         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
14173         use an sbitmap instead.
14174         * sched-rgn.c (compute_trg_info): Likewise.
14175
14176 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
14177
14178         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
14179         redundant target_cpu_default and extra_parts lines.  Use the default
14180         "from-abi" ISA.
14181         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
14182         (SUBTARGET_EXTRA_SPECS): Delete.
14183         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
14184         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
14185         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
14186         and "n32" for -mabi=n32.
14187
14188 2005-01-17  Ian Lance Taylor  <ian@airs.com>
14189
14190         PR c/5675
14191         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
14192         fold constant variables into initial values.
14193
14194 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
14195
14196         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
14197
14198         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
14199         through the statements backward.
14200
14201 2005-01-17  Ian Lance Taylor  <ian@airs.com>
14202
14203         PR middle-end/13127:
14204         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
14205         a variable set to the return value of the inlined function.
14206
14207 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
14208
14209         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
14210         when modes are tieable.
14211
14212 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
14213
14214         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
14215         of pthread_create to find out if threads are enabled.
14216         * gthr-posix95.h (__gthread_active_p): Likewise.
14217
14218 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
14219
14220         * common.opt (-fnew-ra): Remove.
14221         * ra*.*: Remove.
14222         * toplev.h (flag_new_regalloc): Remove.
14223         * Makefile.in (ra*.*): Don't mention.
14224         * passes.c (rest_of_handle_new_regalloc): Remove.
14225         (rest_of_handle_combine, rest_of_compilation): Always consider
14226         flag_new_regalloc as false.
14227         * doc/invoke.texi: Don't document -fnew-ra.
14228
14229 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
14230
14231         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
14232         last parameter to reg_scan.
14233         * loop.c (loop_optimize): Likewise.
14234         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
14235         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
14236         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
14237         rest_of_handle_gcse, rest_of_handle_loop_optimize,
14238         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
14239         * regclass.c (reg_scan): Likewise, for the declaration.
14240         * rtl.h (reg_scan): Likewise, for the prototype.
14241
14242 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
14243
14244         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
14245         mark_dfs_back_edges.
14246
14247 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
14248
14249         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
14250         (compute_avail): Uses don't go in tmp_gen.
14251
14252 2005-01-16  Steven Bosscher  <stevenb@suse.de>
14253
14254         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
14255         loop to look for a free slot in a page entry.
14256
14257 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14258
14259         PR target/16304
14260         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
14261         * toplev.c (compile_file): Call process_pending_assemble_output_defs
14262         just before targetm.asm_out.file_end.
14263         * tree.h (process_pending_assemble_output_defs): Declare.
14264         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
14265         New functions.
14266         (assemble_alias): Defer generation of assembly code for defines when
14267         TARGET_DEFERRED_OUTPUT_DEFS is true.
14268         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
14269         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
14270         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
14271
14272 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14273
14274         PR target/19336
14275         * pa.c (pa_scalar_mode_supported_p): New function.
14276         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14277         * pa.h (MIN_UNITS_PER_WORD): Add comment.
14278
14279         * pa-protos.h (prefetch_operand): Delete.
14280         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
14281         * pa.c (prefetch_operand): Delete.
14282         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
14283         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
14284         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
14285         and prefetch_nocc_operand.
14286         * pa.md (prefetch): Rework to avoid reload problems handling short
14287         displacements when a cache control completer needs to be provided.
14288         (prefetch_32, prefetch_64): Delete.
14289         (prefetch_cc, prefetch_nocc): New patterns.
14290
14291 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
14292
14293         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
14294
14295 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14296
14297         PR ada/19388
14298         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
14299         exceeds maximum alignment for global common data.
14300         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
14301         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
14302
14303 2004-01-15  Roger Sayle  <roger@eyesopen.com>
14304
14305         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
14306
14307 2004-01-15  Roger Sayle  <roger@eyesopen.com>
14308
14309         * harg-reg-set.h (reg_class_names): Prototype global array.
14310         * regclass.c (reg_class_names): Declare here and initialize to
14311         REG_CLASS_NAMES.
14312         (dump_regclass): Remove local declaration of reg_class_names.
14313         (regclass): Likewise.
14314         * cfg.c (dump_flow_info): Likewise.
14315         * ra-debug.c (reg_class_names): Likewise.
14316         * regrename.c (reg_class_names): Likewise.
14317         * reload.c (reg_class_names): Likewise.
14318         * reload1.c (spill_failure): Likewise.
14319         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
14320
14321 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
14322
14323         * config/s390/s390.md ("reload_outti"): Remove predicate for
14324         output operand.  Abort if operand is not a MEM.
14325         ("reload_outdi", "reload_outdf"): Likewise.
14326
14327 2005-01-15  Marc Espie  <espie@openbsd.org>
14328
14329         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
14330         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
14331         * config/openbsd.h:  Fix C++ includes for native configurations.
14332         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
14333         Add trampoline support.
14334         * config/i386/openbsdelf.h: New.
14335
14336 2005-01-15  Marc Espie  <espie@openbsd.org>
14337
14338         * collect2.c (main): Explicitly parse -dynamic-linker option.
14339
14340 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
14341
14342         PR tree-optimization/19060
14343         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
14344         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
14345         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
14346         and handle extract_range_from_cond returning false.
14347         * fold-const.c (fold): Optimize comparisons with min/max even for
14348         width > HOST_BITS_PER_WIDE_INT.
14349
14350 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
14351
14352         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
14353         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
14354         Remove little endian multilib variants.
14355         Add mips32 multilib variant.
14356
14357 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
14358
14359         * explow.c (copy_all_reg, stabilize): Remove.
14360         * expr.h: Remove the corresponding prototypes.
14361
14362         * rtlanal.c (regs_set_between_p): Remove.
14363         * rtl.h: Remove the corresponding prototype.
14364
14365 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
14366
14367         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
14368         to rs6000_nonimmediate_operand.
14369         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
14370         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
14371         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
14372         rs6000_nonimmediate_operand.
14373         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
14374         rs6000_nonimmediate_operand.
14375
14376 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
14377
14378         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
14379
14380 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14381
14382         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
14383         on e500v2.
14384         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
14385         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
14386
14387         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
14388         (rs6k_nonimmediate_operand): New.
14389         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
14390         correctly.
14391         (legitimate_lo_sum_address_p): Same.
14392         (rs6000_legitimize_address): Same.
14393         (rs6000_legitimize_reload_address): Same.
14394         (rs6000_legitimate_address): Same.
14395         (spe_build_register_parallel): Pass DF and DC modes in a DI
14396         register.
14397
14398         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
14399         to rs6k_nonimmediate_operand.
14400
14401         * config/rs6000/spe.md ("*frob_df_di"): New.
14402         ("*frob_di_df"): New.
14403         ("*frob_di_df_2"): New.
14404         ("*mov_sidf_e500_subreg0"): New.
14405         ("*mov_sidf_e500_subreg4"): New.
14406         ("*movdf_e500_double"): Change predicate to
14407         rs6k_nonimmediate_operand.
14408
14409 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14410
14411         * postreload.c (move2add_note_store): Only call
14412         trunc_int_for_mode on scalar integers.
14413
14414 2005-01-14  Steven Bosscher  <stevenb@suse.de>
14415
14416         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
14417         replace BB_VISITED uses.
14418         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
14419         (propagate_necessity): Check the bitmap instead of BB_VISITED.
14420         (tree_dce_done): Free visited_control_parents.
14421         (perform_tree_ssa_dce): Allocate and clear it.
14422         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
14423         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
14424         instead of BB_VISITED.
14425
14426 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
14427
14428         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
14429         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
14430         Remove unused prototypes.
14431
14432 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14433
14434         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
14435         64-bit register usage.
14436         (spe_func_has_64bit_regs_p): Add FIXME note.
14437
14438 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14439
14440         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
14441         flag_finite_math_only with flag_unsafe_math_optimizations.
14442
14443 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
14444
14445         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
14446         end-of-stack check.
14447         (__tpf_eh_return): Copy TPF private stack area from the module
14448         boundary stack frame.  Add check for when module addresses are
14449         equal, but no stub address is found.
14450
14451 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
14452
14453         PR target/7525
14454         * arm.h (struct machine_function): Add call_via field.
14455         (thumb_call_via_label): Declare.
14456         * arm.c (thumb_call_via_label): New variable.
14457         (thumb_call_reg_needed): New variable.
14458         (arm_output_function_epilogue): For Thumb code, output any per-function
14459         call-indirect trampolines.
14460         (thumb_call_via_reg): New function.
14461         (arm_file_end): New function.
14462         (TARGET_ASM_FILE_END): Call arm_file_end.
14463         (aof_file_end): Likewise.
14464         * arm-protos.h (thumb_call_via_reg): Declare.
14465         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
14466         thumb_call_via_reg in normal case.
14467
14468 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
14469
14470         PR middle-end/19084
14471         PR rtl-optimization/19348
14472         * recog.c (peephole2_optimize): Do global life update if some peephole
14473         decides it doesn't need at least one of its inputs and that change
14474         influences liveness at the start of the basic block.
14475
14476         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
14477         arguments instead of 1.
14478
14479 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
14480
14481         PR middle-end/18820
14482         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
14483         zero for nested functions needing a static chain or functions
14484         with a non-constant address.
14485
14486 2005-01-13  Roger Sayle  <roger@eyesopen.com>
14487
14488         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
14489         (and (sign_extend X) C) into (zero_extend (and X C)).
14490
14491 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
14492
14493         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
14494
14495 2005-01-13  Richard Henderson  <rth@redhat.com>
14496
14497         PR target/19009
14498         PR target/19250
14499         PR target/19252
14500         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
14501         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
14502         not just TARGET_SSE.
14503         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
14504         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
14505         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
14506         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
14507         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
14508         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
14509         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
14510         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
14511         (movdicc_c_rex64): Rename with '*'.
14512         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
14513         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
14514         (movsfcc_1_387): Rename from movsfcc_1.
14515         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
14516         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
14517         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
14518         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
14519         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
14520         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
14521         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
14522         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
14523         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
14524         sse_movdfcc_const0_4): Remove.
14525         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
14526         recognize min/max early.  Update for changed sse cmove patterns.
14527         (ix86_split_sse_movcc): New.
14528         * config/i386/i386-protos.h: Update.
14529
14530 2005-01-13  Steven Bosscher  <stevenb@suse.de>
14531
14532         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
14533         (fix_stmt_v_may_defs): Likewise.
14534
14535 2005-01-13  Richard Henderson  <rth@redhat.com>
14536
14537         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
14538         for converting the mask.
14539
14540 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
14541
14542         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
14543         definition to 600.
14544
14545 2005-01-13  Richard Henderson  <rth@redhat.com>
14546
14547         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
14548         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
14549         IX86_BUILTIN_MOVDQ2Q): Remove.
14550         (IX86_BUILTIN_VEC_EXT_V4SI): New.
14551         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
14552         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
14553         shuffling.
14554         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
14555         (sse2_pextrw): Fix immediate constraint.
14556         (sse2_loadq, sse2_loadq_rex64): Remove.
14557         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
14558         Use __builtin_ia32_vec_ext_<size>.
14559         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
14560
14561 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
14562
14563         * function.c (assign_parm_setup_block): Look inside original
14564         entry_parm when inspecting PARALLEL.
14565
14566 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
14567             Joel Sherrill  <joel@oarcorp.com>
14568
14569         PR target/19399
14570         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
14571         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
14572         rtems_gxx_recursive_mutex_init.
14573         (__gthread_recursive_mutex_lock): New function.
14574         (__gthread_recursive_mutex_trylock): Likewise.
14575         (__gthread_recursive_mutex_unlock): Likewise.
14576
14577 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
14578
14579         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
14580
14581 2005-01-13  Jan Beulich  <jbeulich@novell.com>
14582
14583         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
14584         (ashrti3_internal): Indicate output is early clobber. Generate result
14585         into output rather than first input. Use move for low word of output
14586         if shift count is exactly 64.
14587         (lshrti3_internal): Likewise.
14588
14589 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
14590
14591         PR target/18329
14592         PR target/18330
14593         * reload1.c (delete_output_reload): Don't delete an output reload
14594         if the pseudo lives longer than a single basic block.  Adjust and
14595         improve wording of comment.
14596
14597 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
14598
14599         PR target/19334
14600         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
14601         of TYPE_SIZE where we mean the number of bytes.
14602
14603 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
14604
14605         * function.c (assign_parm_setup_block): Relax condition on
14606         multi-register optimization.
14607
14608 2005-01-12  Nick Clifton  <nickc@redhat.com>
14609
14610         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
14611         an "in_delay_slot" attribute of "no" to prevent them being used in
14612         delay slots.  This is forbidden because they might generate
14613         exceptions.
14614
14615 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
14616
14617         PR target/19389
14618         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
14619         with r->Y and Y->r.
14620
14621 2005-01-12  Nick Clifton  <nickc@redhat.com>
14622
14623         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
14624         passed on to GAS) but do not define, as GAS no longer supports or
14625         needs the -m2000 option.
14626
14627 2005-01-11  Roger Sayle  <roger@eyesopen.com>
14628
14629         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
14630         type as args of unprototyped builtins aren't automatically promoted.
14631         (fold_builtin_abs): Likewise.
14632
14633 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14634
14635         * Makefile.in: Set a `build-warn' variable.
14636
14637 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
14638
14639         PR tree-optimization/17949
14640         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
14641         (find_interesting_uses_address): Use it.
14642
14643 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
14644
14645         * regrename.c (kill_value): Handle subreg's that won't simplify.
14646
14647 2005-01-11  Richard Henderson  <rth@redhat.com>
14648
14649         PR target/13366
14650         * config/i386/i386.h (enum ix86_builtins): Move ...
14651         * config/i386/i386.c: ... here.
14652         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
14653         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
14654         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
14655         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
14656         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
14657         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
14658         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
14659         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
14660         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
14661         IX86_BUILTIN_LOADDDUP): Remove.
14662         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
14663         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
14664         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
14665         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
14666         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
14667         (ix86_init_builtins): Make static.
14668         (ix86_init_mmx_sse_builtins): Update for changed builtins.
14669         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
14670         if all the modes match.  Otherwise, fake it.
14671         (get_element_number, ix86_expand_vec_init_builtin,
14672         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
14673         (ix86_expand_builtin): Make static.  Update for changed builtins.
14674         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
14675         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
14676         (ix86_expand_vector_init_duplicate): New.
14677         (ix86_expand_vector_init_low_nonzero): New.
14678         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
14679         Split out from ix86_expand_vector_init; handle integer modes.
14680         (ix86_expand_vector_init): Use them.
14681         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
14682         * config/i386/i386-protos.h: Update.
14683         * config/i386/predicates.md (reg_or_0_operand): New.
14684         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
14685         (movv2sf_internal): Likewise.  And a splitter to match them all.
14686         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
14687         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
14688         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
14689         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
14690         (mmx_pinsrw): Fix operand ordering.
14691         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
14692         rather than sse_loadss expander.
14693         (movv2df splitter): Similarly.
14694         (sse_loadss, sse_loadlss): Remove.
14695         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
14696         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
14697         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
14698         (sse3_movddup): Rename with '*'.
14699         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
14700         (sse2_loadsd): Remove.
14701         (vec_dupv2df_sse3): Rename from sse3_loadddup.
14702         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
14703         (sse2_pinsrw): Fix argument ordering.
14704         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
14705         (sse2_stored): Remove 'r' destination.
14706         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
14707         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
14708         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
14709         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
14710         vec_extractv16qi, vec_initv16qi): New.
14711
14712         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
14713         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
14714         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
14715         constructor form.
14716         (_mm_load_pd, _mm_store_pd): Use plain dereference.
14717         (_mm_load_si128, _mm_store_si128): Likewise.
14718         (_mm_load1_pd): Use _mm_set1_pd.
14719         (_mm_load_sd): Use _mm_set_sd.
14720         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
14721         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
14722         (_mm_set_epi64): Use _mm_set_epi64x.
14723         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
14724         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
14725         _mm_setr_epi8): Use _mm_set_foo form.
14726         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
14727         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
14728         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
14729         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
14730         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
14731         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
14732         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
14733         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
14734         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
14735         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
14736         (_mm_movedup_pd): Use _mm_shuffle_pd.
14737         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
14738         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
14739         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
14740         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
14741         Use _mm_setzero_ps.
14742         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
14743         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
14744         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
14745         (_mm_store_ps): Use raw dereference.
14746         (_mm_store1_ps): Use _mm_storeu_ps.
14747         (_mm_storer_ps): Use _mm_store_ps.
14748         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
14749         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
14750
14751 2005-01-11  Stan Shebs  <shebs@apple.com>
14752
14753         * config/rs6000/rs6000.c (machopic_output_stub): Issue
14754         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
14755
14756 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
14757
14758         PR target/18761
14759         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
14760         Skip all DECLs except for FIELD_DECLs.
14761
14762 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
14763
14764         * config/s390/s390.c (override_options): Return error if
14765         -mbackchain, -mpacked-stack and -mhard-float are used together.
14766         (s390_va_start): Remove the backchain && packed-stack special case.
14767         (s390_gimplify_va_arg): Likewise.
14768         * doc/invoke.texi: Remove the ABI incompatibility note.
14769
14770 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
14771
14772         * config/s390/s390.c (struct s390_frame_layout): Remove
14773         save_backchain_p.
14774         (s390_frame_info, s390_emit_prologue): Replace occurrences of
14775         save_backchain_p with TARGET_BACKCHAIN.
14776
14777 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
14778
14779         PR target/18916
14780         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
14781         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
14782         * function.c (locate_and_pad_parm): Set new field.
14783         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
14784         Tweak where_pad test to include "none".  Always set mem align for
14785         stack_parm.
14786         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
14787         not sufficient for type.
14788         (assign_parm_setup_block): If stack_parm is zero on entry, always
14789         make a new stack local.  Block move old stack parm if necessary
14790         to new aligned stack local.
14791         (assign_parm_setup_stack): Use a block move to handle
14792         potentially misaligned entry_parm.
14793         (assign_parms_unsplit_complex): Specify required alignment when
14794         creating stack local.
14795         * calls.c (compute_argument_addresses): Override alignment of stack
14796         arg calculated from its type with the alignment given by
14797         FUNCTION_ARG_BOUNDARY.
14798         (store_one_arg): Likewise.
14799
14800 2005-01-11  Jan Beulich  <jbeulich@novell.com>
14801
14802         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
14803         Change respective itanium_class attribute to ialu.
14804         (shladdp4_internal): New.
14805         * config/ia64/predicates.md (shladd_log2_operand): New.
14806
14807 2005-01-11  Richard Henderson  <rth@redhat.com>
14808
14809         * expr.c (store_constructor): Use rtvec_alloc instead of
14810         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
14811
14812 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
14813
14814         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
14815
14816 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
14817
14818         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
14819         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
14820         (TARGET_RWRELOC): Define.
14821         (ia64_rwreloc_section_type_flags): Delete.
14822         (ia64_section_type_flags): New function.
14823         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
14824         (TARGET_RWRELOC): Define.
14825
14826 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
14827
14828         PR target/18987
14829         * config/ia64/ia64.c (process_set): For alloc insn, only call
14830         process_epilogue is !frame_pointer_needed.
14831
14832 2005-01-10  Roger Sayle  <roger@eyesopen.com>
14833
14834         PR c++/19355
14835         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
14836         unary operator and can't be treated as a binary/comparison operator.
14837
14838 2005-01-10  Richard Henderson  <rth@redhat.com>
14839
14840         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
14841         (ix86_return_in_memory): Likewise.
14842         (function_arg_advance):  Likewise.  Mirror structure in function_arg
14843         for choosing register to advance.
14844
14845 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
14846
14847         * tree-vectorizer.c, tree.def: Fix comment typos.
14848
14849 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
14850
14851         * config/s390/s390.c (struct processor_costs): 4 new fields:
14852         ddbr, ddr, debr, der.
14853         (s390_rtx_costs): More precise handling of divide instructions.
14854
14855 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
14856
14857         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
14858
14859 2005-01-10  Jan Beulich  <jbeulich@novell.com>
14860
14861         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
14862         names resulting from -ffunction-sections/-fdata-sections and linkonce
14863         ones.
14864         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
14865         based on the section name. Rearrange the section name comparison logic
14866         slightly so that each section name is compared against at most once.
14867
14868 2005-01-10  Ben Elliston  <bje@au.ibm.com>
14869
14870         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
14871         targets for which -fPIC reduces limitations on the GOT size.
14872
14873 2005-01-09  Falk Hueffner  <falk@debian.org>
14874
14875         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
14876         X/C1 cmpop C2.
14877
14878 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
14879
14880         PR target/18720
14881         * collect2.c (main): Set aixrtl_flag for -brtl option.
14882         (resolve_lib_name): Search for .so file extension before .a
14883         if aixrtl_flag set.
14884
14885 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
14886
14887         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
14888         (vect_analyze_data_refs_alignment): Add dump prints.
14889
14890 2005-01-09  Ira Rosen  <irar@il.ibm.com>
14891
14892         * tree-vectorizer.c (vect_analyze_offset_expr): Use
14893         expr_invariant_in_loop_p.
14894         Initialize outputs first thing in the function.
14895         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
14896         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
14897         (vect_analyze_pointer_ref_access): Check that the initial condition of
14898         the access function is loop invariant.
14899
14900 2005-01-09  Richard Henderson  <rth@redhat.com>
14901
14902         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
14903         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
14904         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
14905         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
14906         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
14907         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
14908         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
14909         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
14910         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
14911         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
14912         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
14913         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
14914         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
14915         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
14916         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
14917         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
14918         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
14919         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
14920         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
14921         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
14922         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
14923         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
14924         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
14925         mmx_ prefix.
14926         (mmx_clrdi, pavgusb): Remove.
14927         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
14928         with leading sse_ prefix.
14929         * config/i386/sse.md: Receive them.
14930         * config/i386/mmx.md: New file.
14931         (MMXMODE12, MMXMODE24, mmxvecsize): New.
14932         (subrv2sf3): Turn into expander for normal subtraction.
14933         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
14934         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
14935         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
14936         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
14937         commutative; use ix86_binary_operator_ok.
14938         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
14939         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
14940         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
14941         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
14942         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
14943         Macroize from existing patterns; use ix86_binary_operator_ok.
14944         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
14945         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
14946         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
14947         with vec_select+vec_concat.
14948         (mmx_pshufw, mmx_pshufw_1): Likewise.
14949         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
14950         (mmx_uavgv4hi3): Model correctly.
14951         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
14952         _mm_xor_si64): Remove casts.
14953
14954 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
14955
14956         PR tree-optimization/19224
14957         * tree-scalar-evolution.c (get_instantiated_value,
14958         set_instantiated_value): New functions.
14959         (instantiate_parameters_1): Cache the results.
14960         (instantiate_parameters, resolve_mixers): Initialize and free
14961         the cache.
14962
14963 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
14964
14965         * config/i386/i386.md (addhi_4): Correct reference in comment.
14966         (addqi_4): Same.
14967
14968 2005-01-08  Richard Henderson  <rth@redhat.com>
14969
14970         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
14971         (_mm_cvtsi128_si64x): Likewise.
14972         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
14973         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
14974         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
14975         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
14976         * config/i386/i386-protos.h: Update.
14977         * config/i386/i386.c (print_operand): Add 'H'.
14978         (ix86_fixup_binary_operands): Split out from ...
14979         (ix86_expand_binary_operator): ... here.
14980         (ix86_fixup_binary_operands_no_copy): New.
14981         (ix86_expand_fp_absneg_operator): Handle vector mode results.
14982         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
14983         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
14984         (safe_vector_operand): Use CONST0_RTX.
14985         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
14986         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
14987         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
14988         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
14989         special cases.
14990         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
14991         (IX86_BUILTIN_CMPNGESS): New.
14992         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
14993         (attr type): Add sselog1.
14994         (attr unit, attr memory): Handle it.
14995         (movti, movti_internal, movti_rex64): Move near other integer moves.
14996         (movtf, movtf_internal): Move near other fp moves.
14997         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
14998         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
14999         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
15000         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
15001         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
15002         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
15003         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
15004         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
15005         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
15006         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
15007         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
15008         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
15009         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
15010         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
15011         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
15012         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
15013         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
15014         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
15015         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
15016         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
15017         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
15018         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
15019         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
15020         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
15021         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
15022         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
15023         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
15024         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
15025         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
15026         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
15027         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
15028         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
15029         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
15030         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
15031         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
15032         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
15033         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
15034         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
15035         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
15036         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
15037         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
15038         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
15039         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
15040         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
15041         same time.
15042         (SSEPUSH, push<SSEPUSH>): Remove.
15043         (MMXPUSH, push<MMXPUSH>): Remove.
15044         (sse_movaps, sse_movaps_1, sse_movups): Remove.
15045         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
15046         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
15047         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
15048         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
15049         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
15050         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
15051         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
15052         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
15053         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
15054         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
15055         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
15056         (ppro_sse_log_V4SF): Handle sselog1.
15057         * config/i386/predicates.md (const_0_to_1_operand): New.
15058         (const_0_to_255_mul_8_operand): New.
15059         (const_1_to_31_operand): Rename from const_int_1_31_operand.
15060         (const_2_to_3_operand, const_4_to_7_operand): New.
15061         * config/i386/sse.md: New file.
15062         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
15063         (sse_movups): Rename from sse_movups_1.
15064         (sse_loadlss): Rename from sse_loadss_1.
15065         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
15066         from the name.
15067         (negv4sf2): Use ix86_expand_fp_absneg_operator.
15068         (absv4sf2, negv2df, absv2df): New.
15069         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
15070         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
15071         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
15072         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
15073         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
15074         (sse3_addsubv4sf3): Model correctly.
15075         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
15076         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
15077         (sse_movhlps): Model with vec_select+vec_concat.
15078         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
15079         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
15080         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
15081         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
15082         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
15083         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
15084         sse2_pshufhw_1): Likewise.
15085         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
15086         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
15087         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
15088         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
15089         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
15090         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
15091         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
15092         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
15093         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
15094         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
15095         sminv8hi3): Mark commutative
15096         operands.  Use ix86_binary_operator_ok.
15097         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
15098         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
15099         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
15100         sse2_punpcklqdq): Allow operand2 in memory.
15101         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
15102         sse2_movsd): Add memory alternatives.
15103         (sse_storelps): Turn expander into an insn; split after reload.
15104         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
15105         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
15106
15107 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
15108
15109         * configure.ac (DWARF-2 debug_line): Use objdump.
15110         * configure: Regenerate.
15111
15112 2005-01-08  Jeff Law  <law@redhat.com>
15113             Diego Novillo  <dnovillo@redhat.com>
15114
15115         PR tree-optimization/18241
15116         * tree-nrv.c (tree_nrv): Ignore volatile return values.
15117         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
15118         statements with volatile operands.
15119         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
15120         operands after marking a statement with has_volatile_ops.
15121
15122 2005-01-08  Roger Sayle  <roger@eyesopen.com>
15123
15124         * tree.c (int_fits_type_p): Always honor integer constant
15125         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
15126
15127 2005-01-08  Roger Sayle  <roger@eyesopen.com>
15128
15129         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
15130         the latent bug in rtl_delete_block has been resolved.
15131
15132 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
15133
15134         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
15135         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
15136
15137 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
15138
15139         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
15140         library as @multilib_dir@/$(SHLIB_SONAME).
15141
15142 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
15143
15144         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
15145         * configure: Regenerate.
15146
15147 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
15148
15149         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
15150         TYPE_MODE.
15151
15152 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
15153
15154         PR target/13674
15155         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
15156         Convert non-word aligned offset address using ld/std into
15157         indirect address.
15158
15159 2005-01-07  Richard Henderson  <rth@redhat.com>
15160
15161         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
15162
15163 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
15164
15165         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
15166
15167 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
15168
15169         PR tree-optimization/19283
15170         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
15171         is not shorter than the original type.
15172
15173         PR rtl-optimization/19012
15174         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
15175
15176         PR rtl-optimization/18861
15177         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
15178         (FULL_STATE): Define.
15179         (mark_tablejump_edge): New function.
15180         (purge_dead_tablejump_edges): New function.
15181         (find_bb_boundaries): Use it.
15182
15183         PR tree-optimization/18828
15184         * builtins.c (expand_builtin_next_arg): Remove argument and all
15185         the argument checking.
15186         (expand_builtin): Adjust caller.
15187         (expand_builtin_va_start): Likewise.  Remove error for too many
15188         arguments.
15189         (fold_builtin_next_arg): Issue error for too many arguments.
15190         After checking arguments, replace them with magic arguments that
15191         prevent further checking of the args.
15192
15193 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15194
15195         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
15196
15197 2005-01-06  Roger Sayle  <roger@eyesopen.com>
15198
15199         PR target/6077
15200         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
15201         and %{.S:...} (and their negative variants) to test whether the
15202         input file is assembler or pre-processed-assembler independent of
15203         the actual filename extension.
15204
15205 2005-01-06  Roger Sayle  <roger@eyesopen.com>
15206
15207         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
15208         of sign or zero extended values.
15209
15210 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
15211
15212         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
15213         for IBM long double format correctly.
15214
15215 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
15216
15217         Fix PR tree-optimization/18792
15218
15219         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
15220         to first_loop_depth, and use loop depth instead of loop number.
15221         (build_classic_dir_vector): Ditto.
15222         (compute_data_dependences_for_loop): Use depth, not loop number.
15223         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
15224         number. Pass in loops, instead of loop numbers.
15225         (gather_interchange_stats): Ditto.
15226         (linear_transform_loops): Ditto.
15227
15228 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
15229
15230         PR rtl-opt/13299
15231         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
15232         biv_fits_mode_p, extension_within_bounds_p): New functions.
15233         (check_ext_dependent_givs): Use them.
15234
15235 2005-01-06  Roger Sayle  <roger@eyesopen.com>
15236
15237         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
15238         more than one barrier, in which case we should delete them all.
15239
15240 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
15241
15242         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
15243
15244 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
15245
15246         Fix PR middle-end/19286
15247         Fix PR debug/19267
15248         * dwarf2out.c (gen_subprogram_die): If we've already tried to
15249         output this subprogram, simply ignore this attempt to do it again.
15250         (add_abstract_origin_attribute): Don't abort trying to add the abstract
15251         origin attribute if it's not possible.
15252         (gen_block_die): Don't ignore subblocks of "unused" blocks.
15253         (decls_for_scope): Ditto.
15254         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
15255         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
15256
15257 2005-01-05  Richard Henderson  <rth@redhat.com>
15258
15259         PR target/11327
15260         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
15261         (bdesc_2arg): Use it.
15262         (ix86_expand_binop_builtin): Force operands into registers
15263         when optimizing.
15264         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
15265         ix86_expand_sse_compare, ix86_expand_sse_comi,
15266         ix86_expand_builtin): Likewise.
15267
15268 2005-01-05  Richard Henderson  <rth@redhat.com>
15269
15270         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
15271         and VEC_SELECT.
15272         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
15273         (mulv4hi3): Set itanium_class mmmul.
15274         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
15275         (fpack): Rename from fpack_sfsf.
15276
15277 2005-01-05  Richard Henderson  <rth@redhat.com>
15278
15279         PR rtl-opt/10692
15280         * reload1.c (do_input_reload): Restrict the optimization deleteing
15281         a previous output reload to RELOAD_FOR_INPUT.
15282
15283 2005-01-05  Steven Bosscher  <stevenb@suse.de>
15284
15285         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
15286         comment that we fall through after case.
15287         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
15288         (distribute_links): Likewise.
15289         * cse.c (cse_insn): Likewise.
15290         * cselib.c (cselib_invalidate_mem): Likewise.
15291         * df.c: Update comments at the top of the file.
15292         (read_modify_subreg_p): Update comments here too.
15293         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
15294         * flow.c (mark_set_1): Likewise.
15295         (mark_used_regs): Likewise.
15296         * gcse.c (mems_conflict_for_gcse_p): Likewise.
15297         (canon_list_insert): Likewise.
15298         (mark_set): Likewise.
15299         (try_replace_reg): Likewise.
15300         (store_killed_in_insn): Likewise.
15301         * loop.c (count_one_set): Likewise.
15302         (basic_induction_var): Likewise.
15303         * postreload-gcse.c (find_mem_conflicts): Likewise.
15304         * postreload.c (reload_combine_note_store): Likewise.
15305         (move2add_note_store): Likewise.
15306         * reload.c (find_equiv_reg): Likewise.
15307         (mark_referenced_resources): Likewise.
15308         * rtlanal.c (set_noop_p): Likewise.
15309         (note_stores): Likewise.
15310         (note_uses): Likewise.
15311         * sched-deps.c (sched_analyze_1): Likewise.
15312         * sched-rgn.c (check_live_1): Likewise.
15313         (update_live_1): Likewise.
15314         * config/i860/i860.c: Likewise.
15315
15316         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
15317         an lvalue.
15318         (ZERO_EXTRACT): Mention that this one can be an lvalue.
15319
15320         * doc/rtl.texi: Update documentation for bit-fields and SET.
15321
15322 2005-01-05  Roger Sayle  <roger@eyesopen.com>
15323
15324         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
15325
15326 2005-01-05  Jan Hubicka  <jh@suse.cz>
15327             Richard Henderson  <rth@redhat.com>
15328
15329         PR target/18910
15330         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
15331         with an offset.
15332
15333 2005-01-05  Richard Henderson  <rth@redhat.com>
15334
15335         PR target/12902
15336         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
15337         (sse_shufps): Change operand 3 to const_int_operand.
15338         (sse2_storelps): Fix typo in template.
15339         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
15340         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
15341         (ix86_expand_builtin): Likewise.
15342
15343 2005-01-05  Julian Brown  <julian@codesourcery.com>
15344
15345         * config/arm/arm.c (arm_return_in_memory): Treat complex types
15346         as aggregates for AAPCS ABIs.
15347
15348 2005-01-05  Stan Shebs  <shebs@apple.com>
15349
15350         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
15351         Mach-O getters if ppc64.
15352         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
15353         size argument.
15354         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
15355         signed four-byte field for global code case.
15356         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
15357
15358 2005-01-05  Roger Sayle  <roger@eyesopen.com>
15359
15360         PR middle-end/19100
15361         * c-common.c: Include real.h.
15362         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
15363         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
15364         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
15365         * Makefile.in (c-common.o): Update dependencies.
15366
15367 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
15368
15369         * c-parse.in (asm_string): Add trailing semicolon.
15370
15371 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
15372
15373         * c-parse.in (asm_string): New.  Don't allow wide strings in
15374         'asm'.
15375         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
15376         asm_string instead of STRING.
15377
15378 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
15379
15380         * c-typeck.c (constructor_no_implicit): Remove.
15381         (set_designator, process_init_element): Don't check
15382         constructor_no_implicit.
15383
15384 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
15385             Kaz Kojima  <kkojima@gcc.gnu.org>
15386
15387         PR target/16482
15388         * lcm.c (create_pre_exit): New.
15389         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
15390         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
15391
15392 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
15393
15394         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
15395         -msoft-float in target_float_switch.
15396         * arm.c (arm_override_options): Fix processing of target_float_switch.
15397
15398 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
15399
15400         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
15401         preferencing.
15402
15403 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
15404
15405         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
15406         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
15407
15408 2005-01-04  Roger Sayle  <roger@eyesopen.com>
15409
15410         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
15411         if deleting the then-block allows the test-block to fallthru to the
15412         else-block.
15413
15414 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
15415
15416         PR c/19152
15417         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
15418         after the full declaration if the are in two different TUs.
15419
15420 2005-01-04  Richard Henderson  <rth@redhat.com>
15421
15422         PR tree-opt/19158
15423         * tree-sra.c (generate_one_element_init): Just
15424         call gimplify_and_add.
15425         (generate_element_init): Record the
15426         new referenced variables and mark them for renaming
15427         and split out to ...
15428         (generate_element_init_1): This.
15429         (scalarize_init): Don't call push_gimplify_context/
15430         pop_gimplify_context.
15431
15432 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
15433
15434         * toplev.c (get_src_pwd): Handle failure of getpwd().
15435
15436 2005-01-04  Roger Sayle  <roger@eyesopen.com>
15437
15438         * fold-const.c (fold_single_bit_test): Delete unreachable handling
15439         of TRUTH_NOT_EXPR.
15440         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
15441         all the cases handled by it are inverted by invert_truthvalue.
15442
15443 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
15444
15445         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
15446         (save_register_windowsi): Likewise.
15447
15448 2005-01-04  Richard Henderson  <rth@redhat.com>
15449
15450         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
15451
15452 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
15453
15454         PR middle-end/17767
15455         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
15456         any simplifications of vector mode comparison operators.
15457         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
15458
15459 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
15460             Devang Patel  <dpatel@apple.com>
15461
15462         PR tree-optimization/18308
15463         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
15464         the operands before creating a new expression.
15465         * dojump.c (do_jump): Make drop_through_label available
15466         for all cases.  Add expansion of COND_EXPR.
15467
15468 2005-01-04  Ira Rosen  <irar@il.ibm.com>
15469
15470         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
15471         INTEGER_CST instead of TREE_CONSTANT.
15472         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
15473         instead of TREE_CONSTANT.
15474         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
15475         instead of TREE_CONSTANT.
15476
15477 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
15478
15479         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
15480
15481 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
15482
15483         PR target/19240
15484         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
15485         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
15486
15487 2005-01-03  Richard Henderson  <rth@redhat.com>
15488
15489         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
15490         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
15491         fold_convert_const_real_from_real): Split out from ...
15492         (fold_convert_const): ... here.
15493
15494 2005-01-03  Richard Henderson  <rth@redhat.com>
15495
15496         PR target/19235
15497         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
15498         (mov<MMXMODEI>_internal): Likewise.
15499         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
15500         Add V2SF case; use it for SSE1; don't use TI.
15501         (movdf_integer): Likewise.
15502         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
15503
15504 2005-01-03  Ira Rosen  <irar@il.ibm.com>
15505
15506         * tree-vectorizer.c (vect_strip_conversions): New function.
15507         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
15508         check for binary class.
15509
15510 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
15511
15512         Fix PR debug/17924
15513         Fix PR debug/19191
15514         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
15515         is a decl.
15516         * gimple-low.c (mark_blocks_with_used_vars): New function.
15517         (mark_blocks_with_used_subblocks): Ditto.
15518         (mark_used_blocks): Ditto.
15519         (pass_mark_used_blocks): New pass.
15520         * tree-inline.c: Include debug.h.
15521         (expand_call_inline): Call outlining_inline_function here.
15522         * tree-optimize.c (init_tree_optimization_passes): Add
15523         pass_mark_used_blocks.
15524         * tree-pass.h (pass_mark_used_blocks): New.
15525         * Makefile.in (tree-inline.o): Add debug.h dependency.
15526
15527 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
15528
15529         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
15530         VAR_DECLs to have weak_import attribute.
15531
15532         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
15533         'struct ucontext'.
15534
15535 2004-01-03  Steven Bosscher  <stevenb@suse.de>
15536
15537         * passes.c (rest_of_compilation): Don't run regmove if only
15538         flag_expensive_optimizations, require flag_regmove instead.
15539
15540 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
15541
15542         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
15543         register "sparc".
15544         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
15545         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
15546         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
15547         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
15548
15549 2005-01-03  Richard Henderson  <rth@redhat.com>
15550
15551         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
15552         (ia64_const_ok_for_letter_p): New.
15553         (ia64_const_double_ok_for_letter_p): New.
15554         (ia64_extra_constraint): New.
15555         (ia64_expand_vecint_compare): New.
15556         (ia64_expand_vcondu_v2si): New.
15557         (ia64_expand_vecint_cmov): New.
15558         (ia64_expand_vecint_minmax): New.
15559         (ia64_print_operand): Add 'v'.
15560         (ia64_preferred_reload_class): New.
15561         (ia64_vector_mode_supported_p): New.
15562         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
15563         (PREFERRED_RELOAD_CLASS): Move to function.
15564         (CONST_OK_FOR_LETTER_P): Move to function.
15565         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
15566         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
15567         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
15568         (EXTRA_CONSTRAINT): Move to function.
15569         * config/ia64/ia64.md: Include vect.md.
15570         (itanium_class): Add mmalua.
15571         (type): Handle it.
15572         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
15573         (1b_mmalua): New.
15574         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
15575         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
15576         CONST0_RTX.
15577         (const_int_2bit_operand): New.
15578         (fr_reg_or_0_operand): New.
15579         * config/ia64/ia64-modes.def: Add vector modes.
15580         * config/ia64/ia64-protos.h: Update.
15581         * config/ia64/vect.md: New file.
15582
15583 2005-01-03  Richard Henderson  <rth@redhat.com>
15584
15585         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
15586
15587 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
15588
15589         PR target/19236
15590         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
15591         to SFmode.
15592         (log1pdf2): Change mode of operands[0,1] to DFmode.
15593
15594 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
15595
15596         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
15597         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
15598         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
15599         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
15600         SPARC_RELAXED_ORDERING.
15601
15602 2005-01-03  Richard Henderson  <rth@redhat.com>
15603             Uros Bizjak  <uros@kss-loka.si>
15604
15605         PR target/14631
15606         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
15607         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
15608         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
15609         handling.
15610         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
15611         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
15612         const_pow2_1_to_128_operand): New predicates.
15613
15614 2005-01-02  Greg McGary  <greg@mcgary.org>
15615
15616         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
15617         anonymous decls.
15618         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
15619         object.  [ptr_type]: Remove unused variable.
15620         Remember nearest addressable array-element or record-component
15621         when checking bitfield components.  Tolerate empty BIND_EXPR.
15622
15623 2005-01-01  Richard Henderson  <rth@redhat.com>
15624
15625         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
15626         that don't narrow the value.  Fail for other conversions.
15627
15628 2005-01-01  Richard Henderson  <rth@redhat.com>
15629
15630         PR c/19031
15631         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
15632         * c-lang.c (finish_file): Don't do it here.
15633         * objc/objc-act.c (objc_finish_file): Likewise.
15634
15635         * cgraph.c (decl_assembler_name_equal): New.
15636         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
15637         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
15638         * cgraph.h (struct cgraph_varpool_node): Add next.
15639         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
15640         * varasm.c (assemble_alias): Mark the target as needed.
15641
15642 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
15643
15644         PR middle-end/19221
15645         * function.c (get_arg_pointer_save_area): Use entry_of_function
15646         instead of get_insns.
15647
15648 2005-01-01  Roger Sayle  <roger@eyesopen.com>
15649             Andrew Pinski  <pinskia@physics.uc.edu>
15650             James E. Wilson  <wilson@specifixinc.com>
15651
15652         PR rtl-optimization/12092
15653         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
15654         is zero.
15655
15656 2005-01-01  Roger Sayle  <roger@eyesopen.com>
15657             Olivier Hainque  <hainque@act-europe.fr>
15658
15659         * tree.c (int_fits_type_p): A narrower type always fits in a
15660         wider one, except for negative values into unsigned types.
15661
15662 2005-01-01  Roger Sayle  <roger@eyesopen.com>
15663
15664         * tree.c (int_fits_type_p): Compare the result of force_fit_type
15665         with the original constant rather than require TREE_OVERFLOW.
15666
15667 2005-01-01  Steven Bosscher  <stevenb@suse.de>
15668
15669         PR middle-end/17544
15670         * c-decl.c (finish_function): If compiling C99, annotate the
15671         compiler generated return with the current file name and line 0.
15672         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
15673         the source line is greater than 0.
15674         (remove_bb): Likewise.