OSDN Git Service

* config/rs6000/darwin.h ({MASK,TARGET}_MACHO_DYNAMIC_NO_PIC) Remove.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
2             Kaz Kojima  <kkojima@gcc.gnu.org>
3
4         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
5         and plus_constant.
6
7 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
8
9         * config.gcc: Add .opt magic for the rs6000 ports.
10
11         * doc/invoke.texi: Document -mabi= option properly.  Document
12         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
13         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
14         -misel=.
15
16         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
17         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
18         TARGET_XL_COMPAT.
19
20         * config/rs6000/aix.opt: New.
21         * config/rs6000/aix41.opt: New.
22         * config/rs6000/aix64.opt: New.
23         * config/rs6000/darwin.opt: New.
24         * config/rs6000/linux64.opt: New.
25         * config/rs6000/rs6000.opt: New.
26         * config/rs6000/sysv4.opt: New.
27
28         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
29         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
30         SUBTARGET_SWITCHES.
31         Define TARGET_USES_SYSV4_OPT.
32         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
33         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
34         TARGET_USES_AIX64_OPT.
35         * config/rs6000/aix51.h: Same.
36         * config/rs6000/aix52.h: Same.
37         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
38         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
39         Use TARGET_ALTIVEC_VRSAVE instead of
40         rs6000_altivec_vrsave.
41         * config/rs6000/linux64.h: Use
42         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
43
44         * config/rs6000/rs6000.c: Remove definitions of
45         rs6000_sched_restricted_insns_priority,
46         rs6000_long_double_size_string, rs6000_altivec_vrsave,
47         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
48         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
49         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
50         rs6000_alignment_string.  Define rs6000_explicit_options.
51         (rs6000_parse_abi_options): Remove.
52         (rs6000_parse_alignment_option): Remove.
53         (rs6000_parse_float_gprs_option): Remove.
54         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
55         TARGET_DEFAULT_TARGET_FLAGS.
56         (rs6000_override_options): Revamp to use new .opt machinery.
57
58         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
59         of new .opt machinery.  Remove target_flags.  Redefine
60         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
61         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
62         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
63         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
64         rs6000_longcall_switch, rs6000_default_long_calls,
65         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
66         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
67         TARGET_ALTIVEC_VRSAVE.
68
69 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
70
71         * config.gcc (hppa1.1-*-rtems*): Remove.
72         * config/pa/rtems.h: Remove.
73
74 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
75
76         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
77         Exclude roe/603e multilib variants.
78
79 2005-05-04  Denis Chertykov  <denisc@overta.ru>
80
81         PR target/21284
82         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
83         for output.
84
85 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
86
87         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
88         arm/pe.opt to $extra_options.
89         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
90         (target_float_abi_name, target_float_switch, target_abi_name)
91         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
92         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
93         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
94         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
95         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
96         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
97         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
98         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
99         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
100         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
101         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
102         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
103         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
104         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
105         (arm_pic_register_string): Delete.
106         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
107         TARGET_TPCS_FRAME.
108         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
109         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
110         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
111         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
112         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
113         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
114         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
115         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
116         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
117         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
118         (SUBTARGET_SWITCHES): Delete.
119         * config/arm/arm.c (target_float_switch): Delete.
120         (arm_cpu_select): Moved from config/arm/arm.h.
121         (target_fpu_name, target_fpe_name, target_float_abi_name)
122         (target_abi_name, structure_size_string, arm_pic_register_string)
123         (arm_select): Make static.
124         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
125         (arm_handle_option): New function.
126         (arm_override_options): Update target_flags checks for new mask names.
127         Remove target_float_switch code.
128         (arm_expand_prologue, thumb_expand_prologue): Check
129         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
130         * config/arm/arm.opt, config/arm/pe.opt: New files.
131
132 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
133
134         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
135         gcc_unreachable as appropriate.
136         (arc_double_limm_p, arc_setup_incoming_varargs,
137         arc_compute_function_type, arc_output_function_prologue,
138         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
139         output_shift, arc_print_operand, arc_print_operand_address,
140         arc_final_prescan_insn): Likewise.
141         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
142
143 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
144
145         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
146         comparing Pmode.
147         (SDI): New.
148         (cmp): Delete.
149         (wd): New.
150         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
151         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
152         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
153         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
154         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
155         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
156         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
157         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
158
159 2005-05-05  Paul Brook  <paul@codesourcery.com>
160
161         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
162         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
163         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
164         and tree-data-ref.h with *_H variables.
165
166 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
167
168         * config/m32r/xm-m32r.h, config/m32r/linux.h: Delete files.
169
170 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
171
172         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
173
174 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
175
176         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
177
178 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
179
180         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
181         setting of vrsave register for current function after
182         call to save_world is emitted.
183
184 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
185
186         * config/mmix/predicates.md: New file.
187         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
188         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
189         (mmix_foldable_comparison_operator, mmix_comparison_operator)
190         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
191         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
192         Don't define.
193         * config/mmix/mmix.md: Include predicates.md.
194         ("call", "call_value"): Force address to register if it isn't a
195         mmix_symbolic_or_address_operand.
196
197 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
198
199         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
200         the flags are of appropriate types.
201         (num_ssa_operands): Generalize using the generic interface.
202         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
203         iterator.
204
205 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
206
207         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
208         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
209
210 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
211
212         * tree-outof-ssa.c (edge_leader, stmt_list,
213         analyze_edges_for_bb): Use VEC instead of VARRAY.
214         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
215         (perform_edge_inserts): Call init_analayze_edges_for_bb and
216         fini_analayze_edges_for_bb.
217
218 2005-05-04  James E Wilson  <wilson@specifixinc.com>
219
220         PR driver/21112
221         * gcc.c (process_command): In the second argv scan loop, ignore
222         Xassembler and Xpreprocessor, along with their argument.
223
224 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
225
226         * tree-flow-inline.h, tree-ssa-operands.c,
227         tree-ssa-operands.h, tree-ssa-opfinalize.h:
228         Likewise. tree-vn.c: Fix comment typos.
229         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
230
231 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
232
233         * doc/tm.texi (Target Hooks): Document
234         TARGET_RESOLVE_OVERLOADED_BUILTIN.
235
236 2005-05-04  Paul Brook  <paul@codesourcery.com>
237
238         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
239
240 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
241
242         * dwarf2out.c (incomplete_types, retry_incomplete_types,
243         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
244         of VARRAY.
245
246         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
247         get_expansion, expand_var_during_unrolling,
248         insert_var_expansion_initialization,
249         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
250         instead of VARRAY.
251
252         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
253         update_stmt.
254
255 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
256
257         PR middle-end/15618
258         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
259         the same as INTEGER_TYPE.
260         (fold_binary): Fold "bool_var != 0" to bool_var.
261         Fold "bool_var == 1" to bool_var.
262
263 2004-05-03  Richard Henderson  <rth@redhat.com>
264
265         PR middle-end/21318
266         * function.c (instantiate_virtual_regs_in_insn): Use the mode
267         from recog_data instead of insn_data.
268
269 2005-05-03  DJ Delorie  <dj@redhat.com>
270
271         * common.opt (fdiagnostics-show-option): No variable is needed.
272         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
273         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
274         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
275         Save and restore original message format.  Use flag in context
276         instead of global.
277         (warning): Don't test for enabled warnings here.
278         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
279         here.
280
281 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
282
283         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
284         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
285         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
286         * aclocal.m4: Don't include accross.m4.
287         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
288         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
289         * configure, config.in: Regenerate.
290         
291 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
292
293         PR middle-end/21265
294         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
295         (clear_storage): Add argument.
296         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
297         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
298         tailcall.
299         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
300         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
301         (store_expr, store_constructor): Adjust callers.
302         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
303         to emit_block_move if CALL_EXPR_TAILCALL (exp).
304         (expand_builtin_memmove): Add ORIG_EXP argument, copy
305         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
306         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
307         with EXP.  Pass EXP to expand_builtin_memmove.
308         (expand_builtin_memset): Add ORIG_EXP argument, pass
309         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
310         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
311         Pass EXP to expand_builtin_memset.
312         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
313         the new CALL_EXPR.
314         (expand_builtin_strncmp): Likewise.
315         (expand_builtin_printf): Replace ARGLIST argument with EXP.
316         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
317         (expand_builtin_fprintf): Likewise.
318         (expand_builtin): Adjust calls to
319         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
320
321         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
322         item in V4SF mode.
323
324         PR rtl-optimization/21239
325         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
326
327 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
328
329         * tree-flow.h (tree_ann_common_d): Move aux to ...
330         (stmt_ann_d): ... here.
331         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
332         move_computations_stmt, schedule_sm): Update references to
333         aux.
334         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
335
336         * tree-cfg.c (remove_bb): Remove a redundant call to
337         set_bb_for_stmt.
338         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
339         Likewise.
340
341 2005-05-03  Richard Henderson  <rth@redhat.com>
342
343         * config/rs6000/rs6000.c: Remove conflict markers.
344
345         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
346
347 2005-05-03  James E Wilson  <wilson@specifixinc.com>
348
349         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
350
351 2005-05-03  DJ Delorie  <dj@redhat.com>
352
353         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
354         decide if the warning will be printed.
355         * calls.c (expand_call): Likewise.
356         * function.c (init-function_start): Likewise.
357
358         * common.opt (-fdiagnostics-show-option): New.
359         * opts.c (option_enabled): Accept the option index instead of a
360         pointer to the option descriptor.
361         * opts.h (option_enabled): Likewise.
362         * toplev.c (print_switch_values): Pass option index, not option
363         descriptor.
364         * diagnostic.h (diagnostic_info): Add option_index.
365         * diagnostic.c: Include opts.h.
366         (diagnostic_set_info): Initialize option_index.
367         (diagnostic_report_diagnostic): Amend option name if appropriate.
368         (warning): Check to see if the specified warning is enabled.
369         Store option index.
370         * doc/invoke.texi (-fdiagnostics-show-options): Document.
371
372 2005-05-03  Richard Henderson  <rth@redhat.com>
373
374         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
375         SPEC_OR_GEN_REGS definitions.
376
377 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
378
379         PR target/16888
380         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
381         for unavailable registers.
382
383 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
384
385         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
386
387         * cfglayout.c (block_locators_blocks,
388         insn_locators_initialize, insn_scope): Use VEC instead of
389         VARRAY.
390
391         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
392         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
393         VARRAY.
394
395 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
396
397         * config/sparc/predicates.md (const_compl_high_operand): New.
398         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
399         gen_safe_HIGH64.
400         (sparc_emit_set_const64_quick1): Adjust for above change.
401         (sparc_emit_set_const64_quick2): Likewise.
402         (sparc_emit_set_const64_longway): Likewise.
403         (sparc_emit_set_const64): Likewise.
404         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
405         movdi_const64_special): Delete.
406         (logical constant splitters): Use const_compl_high_operand.
407
408 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
409
410         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
411         rather than STRIP_NOPS.
412
413 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
414
415         PR rtl-optimization/21330
416         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
417         returning non-NULL.
418         (unswitch_single_loop): Clear cinsn when retrying.
419
420         PR target/21297
421         * config/i386/i386.c (legitimize_address): When canonicalizing
422         ASHIFT into MULT, multiply by 1 << shift_count instead of
423         1 << log2 (shift_count).
424
425 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
426
427         * lambda-code.c (gcc_loop_to_lambda_loop, 
428         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
429         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
430         generic operand interface.
431         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
432         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
433         generic operand interface.
434         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list, 
435         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
436         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
437         num_imm_uses): Use ssa_use_operand_t.
438         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
439         get_v_must_def_ops): Delete.
440         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
441         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
442         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
443         get_v_must_def_kill_ptr): Delete.
444         (delink_stmt_imm_use): Move and use new operand interface.
445         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
446         op_iter_next_tree): Use new operand implementation.
447         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
448         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator 
449         type check.
450         (op_iter_next_mustdef, op_iter_next_maydef, 
451         op_iter_next_must_and_may_def): Delete. Replace with...
452         (op_iter_next_maymustdef): New.  Combine must and may next operations.
453         (op_iter_init_maydef, op_iter_init_mustdef, 
454         op_iter_init_must_and_may_def): Use new interface.
455         (single_ssa_tree_operand ): New.  Process single operands only as trees.
456         (single_ssa_use_operand): New.  Process single operands only as uses.
457         (single_ssa_def_operand): New.  Process single operands only as defs.
458         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
459         specified types.
460         (num_ssa_operands): New.  Count the number of specified operands.
461         (compare_ssa_operands_equal): New.  Compare two statements' operands.
462         (single_phi_def): New.  Return true if PHI has one def of the specified
463         operand type.
464         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
465         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
466         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
467         (struct stmt_ann_d): Operands field no longer require GTY().
468         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
469         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
470         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb, 
471         dump_replaceable_exprs, rewrite_trees): Use generic interface.
472         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node): 
473         Use use_operand_p instead of ssa_imm_use_t *.
474         * tree-pretty-print.c (dump_vops): check if operands are active before
475         dumping virtual operands.
476         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
477         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
478         (ccp_fold): Use new interface.
479         (ccp_visit_stmt): Remove unused variables and code.
480         (convert_to_gimple_builtin): Insert statements before calling 
481         mark_new_vars_to_rename.
482         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
483         (copy_prop_visit_cond_stmt): Use generic interface.
484         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the 
485         annotation in table.
486         (thread_across_edge): Use generic interface.
487         (initialize_hash_element): Initialzie with stmt, not annotation.
488         (eliminate_redundant_computations): Use generic interface.
489         (record_equivalences_from_stmt): Pass stmt, not annotation.
490         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
491         interface.
492         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
493         * tree-ssa-loop-ivopts.c (find_invariants_stmt, 
494         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use 
495         generic operand interface.
496         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
497         interface.
498         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
499         Interface.
500         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
501         (build_defs, build_uses, build_v_may_defs, build_vuses, 
502         build_v_must_defs): Change type to struct opbuild_list_d.
503         (ops_active): New.  Operands active boolean.
504         (operand_memory, operand_memory_index): New.  Operand memory managers.
505         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
506         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
507         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs): 
508         Change from functions to static variable list heads.
509         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
510         (opbuild_initialize_real): New.  Initialize a virtual build list.
511         (opbuild_free): New.  Free a build list.
512         (opbuild_num_elems): New.  Number of items in a list.
513         (opbuild_append_real): New.  Add a real (tree *) operand.
514         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
515         (opbuild_first): New.  Return first element index in a list.
516         (opbuild_next): New.  Return next element in a list.
517         (opbuild_elem_real): New.  Return real element.
518         (opbuild_elem_virtual): New.  Return virtual element.
519         (opbuild_elem_uid): New.  Return UID of virtual element.
520         (opbuild_clear): New.  Reset an operand list.
521         (opbuild_remove_elem): New.  Remove an element form a list.
522         (ssa_operands_active): New.  Return true if operand cache is active.
523         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
524         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
525         (correct_use_link): Use use_operand_p.
526         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
527         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation. 
528         (cleanup_v_may_defs): Use new implmentation.
529         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New 
530         implementation.
531         (append_def, append_use, append_v_may_def, append_vuse, 
532         append_v_must_def): Call opbuild_append routine instead of using varray.
533         (build_ssa_operands): Simplify to simply use stmt, don't maintain a 
534         global parse_old_ops variable.
535         (free_ssa_operands): New implementation.
536         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
537         (copy_virtual_operands): Move. New generic implementation.
538         (create_ssa_artficial_load_stmt): Move. New implementation.
539         (swap_tree_operands): Update for new implementation.
540         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
541         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
542         rather than a varray.
543         (verify_imm_links): Use use_operand_p.
544         (dump_immediate_uses_for): If the immediate use variable is a virtual 
545         variable, show the virtual ops in the stmt.
546         * tree-ssa-operands.h (def_operand_p): No longer a structure.
547         (NULL_DEF_OPERAND_P): Now a #define.
548         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
549         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
550         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
551         mustdef_optype_d): New.  Use Linked list representation.
552         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
553         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
554         (struct stmt_operands_d): Change to new pointers that are not GTY.
555         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
556         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
557         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
558         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT, 
559         SET_V_MUST_DEF_KILL): Delete.
560         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT, 
561         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
562         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT, 
563         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
564         (enum ssa_op_iter_type): Operand iterator typechecking values.
565         (struct ssa_operand_iterator_d): Use linked lists of operands.
566         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
567         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
568         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
569         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
570         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
571         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
572         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND, 
573         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
574         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
575         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
576         alloc_vuse, and alloc_mustdef.
577         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops, 
578         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
579         and finalize_ssa_v_must_def_ops.
580         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
581         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
582         stmt around.
583         (compute_avail): Use generic iterator interface.
584         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
585         (stmt_makes_single_load, stmt_makes_single_store): Use 
586         ZERO_SSA_OPERANDS.
587         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
588         (statement_sink_location): Use generic interface.
589         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
590         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
591         reset the immediate use link nodes.
592         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
593         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
594         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
595         (eliminate_tail_call): Use generic operand interface.
596         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
597         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic 
598         interface.
599         * tree-vect-transform.c (update_vuses_to_preheader): Use generic 
600         interface.
601         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
602         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
603         vuse_optype.
604         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add): 
605         Use statement pointer instead of vuse_optype.  Use generic interface.
606         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
607         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
608         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
609         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
610         * doc/tree-ssa.texi: Update documentation for operand interface.
611
612 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
613
614         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
615         gcc_unreachable as appropriate.
616         (machopic_function_base_name, machopic_indirect_data_reference,
617         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
618         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
619         * config/rs6000/altivec.md (*mov<mode>_internal,
620         build_vector_mask_for_load): Likewise.
621         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
622         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
623         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
624         * config/rs6000/predicates.md (easy_fp_constant,
625         logical_operand): Likewise.
626         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
627         compute_save_world_info, rs6000_emit_prologue,
628         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
629         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
630         directly.
631
632 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
633
634         PR middle-end/21282
635         * convert.c (convert_to_integer): Convert ceil and floor in
636         c99 mode only.
637
638 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
639
640         PR target/20813
641         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
642         define_insn_and_split.  Split only when memory operand is
643         offsettable.  Use adjust_address rather than plus_constant.
644         (floatunssidf2_internal): Likewise.
645         (fix_truncdfsi2_internal): Split only when memory operand is
646         offsettable.  Use adjust_address rather than plus_constant.
647         (fix_trunctfsi2_internal): Likewise.
648         (floatsidf2_internal): Likewise.
649
650 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
651
652         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
653         (set_value_range_to_null): Likewise.
654         (set_value_range_to_varying): New function.  Use it in all
655         call sites that used to call set_value_range (vr, VR_VARYING, ...).
656         (extract_range_from_assert): If the integral type has a
657         super-type, and LIMIT is not within MIN and MAX values of that
658         type, set the resulting range to VR_VARYING.
659
660 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
661
662         * config/mmix/mmix.opt: New file.
663         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
664         (mmix_cc1_ignored_option): Don't declare.
665         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
666         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
667         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
668         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
669         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
670         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
671         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
672         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
673         Don't define.
674         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
675         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
676         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
677
678 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
679
680         PR c/15698
681         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
682         * c-decl.c (current_function_prototype_built_in,
683         current_function_prototype_arg_types): New.
684         (merge_decls): Keep source location of prototype followed by
685         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
686         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
687         (start_function): Always set current_function_prototype_locus,
688         current_function_prototype_built_in and
689         current_function_prototype_arg_types.  Check for external
690         prototype whether or not visible for external function and set
691         current_function_prototype_arg_types accordingly.
692         (store_parm_decls_oldstyle): Use
693         current_function_prototype_arg_types for checking old-style
694         definition against prototype.  Give warnings only if
695         current_function_prototype_built_in).
696
697 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
698
699         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
700         (ggc_alloc_zone_stat): Don't define.
701         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
702         ggc_alloc_zone_pass_stat.
703         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
704         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
705         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
706
707 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
708
709         * calls.c (expand_call): Handle current_function_pretend_args_size
710         when checking for sibcalls.
711
712 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
713
714         PR tree-optimization/21294
715         * tree-vrp.c (vrp_expr_computes_nonzero): New.
716         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
717
718 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
719
720         PR 19985
721         * gcov-io.h: Declare gcov external functions hidden.
722
723 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
724
725         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
726         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
727         Use VEC instead of VARRAY.
728         (equiv_free): New.
729
730         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
731         out common code.
732
733 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
734
735         * c-common.c (resolve_overloaded_builtin): Forward to target
736         hook for BUILT_IN_MD built-ins.
737         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
738         for all types of built-in.
739         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
740         in the definition of the target hooks struct.
741         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
742         * config/rs6000/altivec.h: Rewritten.
743         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
744         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
745         rs6000_builtin_type, rs6000_builtin_type_compatible,
746         altivec_overloaded_builtins, rs6000_builtin_type,
747         rs6000_builtin_type_compatible): New.
748         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
749         New.
750         (def_builtin): Turn into a function.  Check for duplicates and store
751         the builtin into rs6000_builtin_decls.
752         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
753         bdesc_1arg): Add overloaded builtins.
754         (altivec_expand_builtin): Check for unresolved overloaded builtins,
755         do not support ALTIVEC_COMPILETIME_ERROR.
756         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
757         nodes to represent front-end types.
758         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
759         with opaque arguments and/or return values.
760         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
761         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
762         (rs6000_builtin_type_index): New.
763         (is_ev64_opaque_type): Rename to...
764         (rs6000_is_opaque_type): ... this.
765         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
766         target hook.
767
768 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
769
770         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
771         instead of VARRAY.
772
773 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
774             Bernd Schmidt  <bernd.schmidt@analog.com>
775
776         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
777         print_address_operand, print_operand, legitimize_pic_address,
778         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
779         output_pop_multiple): Use gcc_assert or gcc_unreachable as
780         appropriate.
781         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
782
783 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
784
785         * doc/passes.texi: Document vectorization pass.
786
787 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
788
789         * tree-scalar-evolution.c (get_exit_conditions_rec,
790         select_loops_exit_conditions,
791         number_of_iterations_for_all_loops,
792         analyze_scalar_evolution_for_all_loop_phi_nodes,
793         scev_analysis): Use VEC instead of VARRAY.
794
795 2005-05-02  Michael Matz  <matz@suse.de>
796
797         PR c++/19542
798         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
799         (warn_strict_null_sentinel): Define.
800         (check_function_sentinel): Check for null_node as valid sentinel too.
801         * c-common.h (c_tree_index): Added CTI_NULL.
802         (null_node) Define global_tree[CTI_NULL].
803         (warn_strict_null_sentinel): Declare.
804         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
805         * c.opt: (Wstrict-null-sentinel): New C++ option.
806         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
807
808 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
809
810         * gimplify.c (gimplify_compound_lval): Use VEC instead of
811         VARRAY.
812
813         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
814
815         * dwarf2out.c (decl_scope_table, push_decl_scope,
816         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
817         instead of VARRAY.
818
819 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
820
821         PR C++/14391
822         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
823         if !flag_weak.
824         * doc/cpp.texi (__DEPRECATED): Document.
825         (__EXCEPTIONS): Likewise.
826         (__GXX_WEAK__): Likewise.
827
828         * function.c (INVOKE__main): Do not define.
829         (expand_main_function): Check HAS_INIT_SECTION when determining
830         whether or not to call __main.
831
832 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
833
834         * tree-ssa-loop-ivopts.c: Fix a comment typo.
835
836 2005-01-05  Paul Brook  <paul@codesourcery.com>
837
838         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
839         (INITIALIZE_TRAMPOLINE): Use it.
840         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
841         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
842         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
843
844 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
845
846         * doc/install.texi (Specific): Omit dots in the @anchors names
847         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
848         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
849
850 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
851
852         PR tree-optimization/18316
853         PR tree-optimization/19126
854         * tree.c (build_int_cst_type): Avoid shift by size of type.
855         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
856         argument.
857         * tree-scalar-evolution.h (simple_iv): Declaration changed.
858         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
859         field.
860         (dump_cand): Dump depends_on information.
861         (determine_biv_step): Add argument to simple_iv call.
862         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
863         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
864         constant.
865         (add_candidate_1): Record depends_on for candidates.
866         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
867         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
868         Handle ivs with nonconstant step.
869         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
870         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
871         (create_new_iv): Unshare the step before passing it to create_iv.
872         (free_loop_data): Free cand->depends_on.
873         (build_addr_strip_iref): New function.
874         (find_interesting_uses_address): Use build_addr_strip_iref.
875         (strip_offset_1): Split the recursive part from strip_offset.
876         Strip constant offset component_refs and array_refs.
877         (strip_offset): Split the recursive part to strip_offset_1.
878         (add_address_candidates): Removed.
879         (add_derived_ivs_candidates): Do not use add_address_candidates.
880         (add_iv_value_candidates): Add candidates with stripped constant
881         offset.  Consider all candidates with initial value 0 important.
882         (struct affine_tree_combination): New.
883         (aff_combination_const, aff_combination_elt, aff_combination_scale,
884         aff_combination_add_elt, aff_combination_add,
885         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
886         fold_affine_sum): New functions.
887         (get_computation_at): Use fold_affine_sum.
888         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
889         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
890         to simple_iv call.
891
892 2005-04-30  Michael Matz  <matz@suse.de>
893
894         * config/i386/i386.md (movmemsi): Also active when
895         TARGET_INLINE_ALL_STRINGOPS.
896
897 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
898
899         PR bootstrap/20633
900         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
901
902 2005-04-30  Paul Brook  <paul@codesourcery.com>
903
904         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
905         thumb mode.
906         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
907         * config/arm/ieee754-sf.S: Ditto.
908         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
909         (FUNC_ALIAS): Use .thumb_set for thumb routines.
910
911 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
912
913         * tree-ssanames.c: Fix a comment typo.
914         * doc/options.texi: Fix a typo.
915
916 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
917
918         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
919         gcc_unreachable as appropriate.
920         (split_adds_subs, cond_string, print_operand,
921         h8300_initial_elimination_offset, h8300_classify_operand,
922         h8300_unary_length, h8300_short_immediate_length,
923         h8300_bitfield_length, h8300_binary_length,
924         h8300_insn_length_from_table, compute_mov_length, output_plussi,
925         compute_plussi_length, compute_plussi_cc, output_logical_op,
926         compute_logical_op_length, compute_logical_op_cc,
927         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
928         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
929         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
930         h8300_regs_ok_for_stm): Likewise.
931         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
932         monitor_prologue): Likewise.
933
934 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
935
936         * loop-invariant.c (invariants, create_new_invariant,
937         get_inv_cost, best_gain_for_invariant,
938         find_invariants_to_move, move_invariants,
939         init_inv_motion_data, free_inv_motion_data): Use VEC instead
940         of VARRAY.
941
942 2005-04-29  Richard Henderson  <rth@redhat.com>
943
944         * function.c (instantiate_decls): Remove valid_only argument.
945         (instantiate_decls_1, instantiate_decl): Likewise.
946         (instantiate_virtual_regs_1): Delete.
947         (instantiate_virtual_regs_lossage): Delete.
948         (instantiate_virtual_regs_in_rtx): New.
949         (safe_insn_predicate): New.
950         (instantiate_virtual_regs_in_insn): New.
951         (instantiate_virtual_regs): Update to match all that.  Only run
952         instantiate_decls once.
953
954 2005-04-29  Richard Henderson  <rth@redhat.com>
955             Daniel Jacobowitz  <dan@codesourcery.com>
956
957         * gengtype.c (write_func_for_structure): Split out ...
958         (output_type_enum): ... new function.  Fix thinko accessing
959         TYPE_PARAM_STRUCT data.
960
961 2005-04-29  Tom Tromey  <tromey@redhat.com>
962
963         * tree.c (build_block): Removed unused 'tags' argument.
964         * tree.h (build_block): Removed argument.
965
966 2005-04-29  Michael Matz  <matz@suse.de>
967
968         PR rtl-optimization/21144
969         * postreload.c (reload_cse_move2add): Check for VOIDmode.
970
971 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
972
973         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
974         flag_reorder_blocks.
975
976 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
977
978         PR tree-optimization/21030
979         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
980         ranges where VR->MAX is smaller than VR->MIN.
981
982 2005-04-29  Devang Patel  <dpatel@apple.com>
983
984         PR tree-optimization/21272
985         PR tree-optimization/21266
986         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
987         
988 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
989
990         * tree-flow-inline.h: Fix a comment typo.
991         * doc/tree-ssa.texi: Fix a typo.
992
993         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
994
995 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
996
997         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
998         gcc_unreachable as appropriate.
999         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
1000         fr30_print_operand, fr30_move_double): Likewise.
1001         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
1002
1003 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
1004
1005         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
1006         definition has already been provided.
1007         (ARM_EABI_DTORS_SECTION_OP): Likewise.
1008         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
1009         (ARM_EABI_DTORS_SECTION_OP): Likewise.
1010
1011 2005-04-29  Jim Tison  <jtison@us.ibm.com>
1012
1013         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
1014         trace hooks calls to improve performance.
1015
1016 2005-04-29  Julian Brown  <julian@codesourcery.com>
1017             Mark Mitchell  <mark@codesourcery.com>
1018             Paul Brook  <paul@codesourcery.com>
1019
1020         * crtstuff.c: Handle targets that use .init_array.
1021         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
1022         that INVOKE__main is set correctly.
1023         (expand_main_function): Test INVOKE__main.
1024         * libgcc2.c: Do not define __main when using .init_array.
1025         * config/arm/arm.c (arm_elf_asm_constructor): New function.
1026         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
1027         libgcc version.
1028         (DTORS_SECTION_ASM_OP): Likewise.
1029         (CTOR_LIST_BEGIN): Define specially when in libgcc.
1030         (CTOR_LIST_END): Likewise.
1031         (DTOR_LIST_BEGIN): Likewise.
1032         (DTOR_LIST_END): Likewise.
1033         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
1034         (FINI_SECTION_ASM_OP): Likewise.
1035         (INIT_ARRAY_SECTION_ASM_OP): Define.
1036         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
1037         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
1038         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
1039         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
1040         (FINI_ARRAY_SECTION_ASM_OP): Likewise.  
1041
1042 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
1043
1044         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
1045         gcc_assert and gcc_unreachable as appropriate.
1046         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
1047         const_int_cost, output_move_const_into_data_reg,
1048         output_move_qimode, output_move_double, find_addr_reg,
1049         print_operand, print_operand_address): Likewise.
1050         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
1051         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
1052         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
1053         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
1054         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
1055         conditional_trap): Likewise.
1056         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
1057
1058 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
1059
1060         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
1061         gcc_unreachable as appropriate.
1062         (gen_conditional_move, xtensa_split_operand_pair,
1063         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
1064         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
1065         xtensa_copy_incoming_a7, xtensa_output_literal,
1066         xtensa_output_literal, xtensa_output_literal): Likewise.
1067         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
1068         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
1069         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
1070         movsicc_internal1, movsfcc_internal0,
1071         movsfcc_internal1): Likewise.
1072
1073 2005-04-28  James E Wilson  <wilson@specifixinc.com>
1074
1075         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
1076         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
1077
1078 2005-04-28  DJ Delorie  <dj@redhat.com>
1079
1080         * opt-functions.awk (var_set): Emit proper initializer for
1081         non-target bitfields.
1082
1083 2005-04-28  Devang Patel  <dpatel@apple.com>
1084
1085         * dbxout.c (have_used_extensions): Remove.
1086         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
1087         have_used_extensions.
1088         
1089 2005-04-28  James E Wilson  <wilson@specifixinc.com>
1090
1091         * doc/install.texi: Update -enable-languages info.  Correct path to
1092         html docs.
1093
1094 2005-04-28  DJ Delorie  <dj@redhat.com>
1095
1096         * optc-gen.awk (END): Make sure no variable is defined more
1097         than once.
1098         * opth-gen.awk (END): Allocate bits on a per-variable basis.
1099         Allow for bitfield variables other than target_flags.
1100         * doc/options.text (Mask): Document that you may specify a
1101         variable other than target_flags.
1102
1103 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
1104
1105         PR rtl-optimization/18877
1106         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
1107         number in val.start.
1108
1109 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
1110
1111         PR target/20813
1112         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
1113         MASK_PPC_GFXOPT.
1114         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
1115         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
1116         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
1117
1118 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
1119
1120         * arm.c (legitimize_pic_address): Fix sense of assertion test for
1121         creating pseudos when the base offset is too large.
1122
1123 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
1124
1125         * global.c (earlyclobber_regclass): Change the type to
1126         VEC(int,heap).
1127         (check_earlyclobber): Update uses of earlyclobber_regclass.
1128         (mark_reg_use_for_earlyclobber): Likewise.
1129         (calculate_local_reg_bb_info): Allocate and free
1130         earlyclobber_regclass using the VEC API.
1131
1132 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
1133
1134         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
1135         assert.
1136
1137 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
1138
1139         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
1140         (*targetm.foo).
1141
1142         * config.gcc: Obsolete c4x-* and tic4x-*.
1143
1144         * tree.h (edge_def): Remove.
1145
1146         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
1147         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
1148         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
1149         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
1150         where appropriate.
1151
1152         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
1153         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
1154         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
1155         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
1156         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
1157         machmode.def, mips-tfile.c, params.c, pretty-print.c,
1158         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
1159         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
1160         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
1161         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
1162         config/i386/cygming.h, config/i386/djgpp.h,
1163         config/i386/lynx.h, config/i386/netware.c,
1164         config/i386/winnt.c, config/ia64/ia64-c.c,
1165         config/iq2000/iq2000.c, config/m32r/little.h,
1166         config/m68k/m68k-protos.h, config/m68k/m68k.h,
1167         config/m68k/m68k.md, config/mcore/mcore.c,
1168         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
1169         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
1170         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
1171         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
1172         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
1173         config/pdp11/pdp11.h, config/rs6000/darwin.h,
1174         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
1175         config/s390/2064.md, config/s390/2084.md,
1176         config/s390/s390-modes.def, config/s390/s390-protos.h,
1177         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
1178         config/stormy16/stormy16.c, config/vax/vax-protos.h,
1179         config/vax/vax.c, config/vax/vax.h,
1180         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
1181         copyright.
1182
1183 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
1184
1185         * c-typeck.c (build_compound_expr): Correct logic in last change.
1186
1187 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
1188
1189         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
1190         parameters.  Replace conditional move code with assert checking for
1191         ar.lc.  Delete obsolete comments.
1192         (set_src_needs_barrier): Delete cond parameter, and code using it.
1193         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
1194         assert checking for PR_REGS.  Fix calls to update_set_flags and
1195         set_src_needs_barrier.
1196         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
1197         callers.  Rewrite explanatory comment before the function.
1198         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
1199         Fix all callers.
1200
1201 2005-04-27  Mike Stump  <mrs@apple.com>
1202
1203         * doc/cpp.texi: gcc now implements universal character names.
1204
1205 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
1206
1207         PR c/21159
1208         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
1209         being a compound expression whose right-hand side is cast to void.
1210
1211 2005-04-27  Caroline Tice  <ctice@apple.com>
1212
1213         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
1214         Remove targetm.have_named_sections test.
1215         (fix_edges_for_rarely_executed_code): Likewise.
1216         (insert_section_boundary_note): Likewise.
1217         (reorder_basic_blocks): Check partitioning flag before calling
1218         verify_hot_cold_block_grouping.
1219         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
1220         the function struct rather than global variables.
1221         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
1222         (COLD_END_LABEL): Likewise
1223         (cold_text_section_label): New static global variable.
1224         (cold_end_label): Likewise.
1225         (dwarf2out_switch_text_section): Get hot/cold section labels from
1226         the function struct rather than global variables; test to make sure
1227         cfun is defined.
1228         (output_aranges): Use cold_text_section_label and cold_end_label;
1229         check partitioning flag before putting out delta.
1230         (output_ranges): Remove incorrect code attempting to use
1231         hot/cold labels.
1232         (output_line_info): Get cold section label from function struct; test
1233         to make sure cfun is defined.
1234         (add_location_or_const_value_attribute): Likewise.
1235         (dwarf2out_var_location): Likewise.
1236         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
1237         write out cold_text_section_label if partition flag is set.
1238         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
1239         * function.h (struct function): Add new fields to point to hot/cold
1240         section labels: hot_section_label, cold_section_label,
1241         hot_section_end_label and cold_section_end_label; also add new field
1242         for cold text section name, unlikely_text_section_name.
1243         * opts.c (decode_options): Turn off partitioning flag if
1244         !targetm.have_named_sections.
1245         * output.h (hot_section_label): Remove.
1246         (hot_section_end_label): Remove.
1247         (cold_section_end_label): Remove.
1248         (unlikely_section_label): Remove.
1249         (unlikely_text_section_name): Remove.
1250         * passes.c (rest_of_handle_final):  Remove extra blank line.
1251         * varasm.c (unlikely_section_label): Remove.
1252         (hot_section_label): Remove.
1253         (hot_section_end_label): Remove.
1254         (cold_section_end_label): Remove.
1255         (unlikely_text_section_name):  Remove.
1256         (initialize_cold_section_name): Modify to call
1257         targetm.strip_name_encoding; to store cold section name in current
1258         function struct, if it exists; and to only use the decl_section_name
1259         if flag_named_sections is true.
1260         (unlikely_text_section): Modify to get section name out of current
1261         function struct, if there is one; otherwise build it from
1262         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
1263         (in_unlikely_text_section): Likewise.
1264         (named_section): Modify to get/put cold section name in current function
1265         struct, if there is one.
1266         (function_section):  Change 'bool unlikely' to 'int reloc'; check
1267         targetm.have_named_sections before calling named_section.
1268         (current_function_section): Likewise.
1269         (assemble_start_function): Modify to get/put unlikely_text_section_name
1270         in current function struct; modify to get hot/cold section labels
1271         from function struct; initialize labels using
1272         ASM_GENERATE_INTERNAL_LABEL;
1273         test partitioning flag before writing out hot section label.
1274         (assemble_end_function): Test partitioning flag before writing out
1275         hot/cold section labels.
1276         (default_section_type_flags_1):  Get cold text section name from
1277         function struct if there is one; Set flags correctly for
1278         cold text section if there is not a current function struct.
1279         
1280 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
1281
1282         * tree-ssa-propagate.c (set_rhs): Revert last change.
1283
1284 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
1285
1286         * explow.c (convert_memory_address): Add gcc_assert.
1287
1288 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
1289
1290         * configure.ac: Check for ld --sysroot support.
1291         * gcc.c: Document %R specifier for specs.
1292         (SYSROOT_SPEC): New macro.
1293         (sysroot_spec): New variable.
1294         (static_specs): Add sysroot_spec.
1295         (main): Pass the sysroot spec to the linker if appropriate.
1296         * configure: Regenerated.
1297         * config.in: Likewise.
1298
1299 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
1300
1301         * fold-const.c (fold_binary): Use build_fold_addr_expr
1302         for address calculation and INDIRECT_REF handling.
1303
1304 2005-04-27  Andrew Haley  <aph@redhat.com>
1305
1306         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
1307
1308 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1309
1310         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
1311         pointer when thumb backtracing is on.
1312
1313         * config/fp-bit.c (abort): Revert change.
1314
1315 2005-04-27  Ian Lance Taylor  <ian@airs.com>
1316
1317         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
1318
1319 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1320
1321         * tree-ssa-dce.c: Fix a comment typo.
1322
1323 2005-04-27  David S. Miller  <davem@davemloft.net>
1324
1325         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
1326         Kill setjmpless_size.  current_function_calls_setjmp is completely
1327         computed when we are called, so just use the optimized size value
1328         instead of using REG_SAVE_AREA notes.
1329         (optimize_save_area_alloca): Delete....
1330         * rtl.h (optimize_save_area_alloca): Likewise...
1331         * passes.c (rest_of_compilation): and don't call it any more.
1332         * reg-notes.def (SAVE_AREA): Delete.
1333         
1334 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1335
1336         * config/fp-bit.c (abort): Add noreturn attribute.
1337
1338         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
1339         gcc_unreachable as appropriate.
1340         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
1341         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
1342         ASM_OUTPUT_REG_POP): Likewise.
1343
1344 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
1345
1346         * tree-complex.c (expand_vector_operations_1): Do not build
1347         VIEW_CONVERT_EXPR's for the lhs.
1348
1349 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1350
1351         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
1352         unnecessary noncanonical RTL handling.
1353         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
1354         gcc_assert and gcc_unreachable.
1355
1356         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
1357         gcc_unreachable as appropriate.
1358         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
1359         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
1360         use_return_insn, const_ok_for_op, arm_gen_constant,
1361         arm_canonicalize_comparison, legitimize_pic_address,
1362         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
1363         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
1364         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
1365         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
1366         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
1367         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
1368         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
1369         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
1370         output_call, output_mov_long_double_fpa_from_arm,
1371         output_mov_long_double_arm_from_fpa,
1372         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
1373         output_move_double, arithmetic_instr, shift_op, int_log2,
1374         output_return_instruction, arm_output_function_prologue,
1375         arm_output_epilogue, arm_output_function_epilogue,
1376         emit_multi_reg_push, arm_get_frame_offsets,
1377         arm_compute_initial_elimination_offset, arm_expand_prologue,
1378         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
1379         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
1380         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
1381         thumb_compute_initial_elimination_offset,
1382         thumb_output_function_prologue, thumb_load_double_from_address,
1383         thumb_output_move_mem_multiple, thumb_reload_out_hi,
1384         arm_emit_vector_const, arm_dbx_register_number): Likewise.
1385         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
1386         * config/arm/arm.md (thumb_extendhisi2,
1387         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
1388         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
1389         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
1390         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
1391         * config/arm/cirrus.md (*cirrus_arm_movdi,
1392         *cirrus_movdf_hard_insn): Likewise.
1393         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1394
1395 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1396
1397         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
1398         (num_ssa_names): Use VEC_length.
1399         (ssa_names): Use VEC_index.
1400         * tree-ssanames.c (ssa_names): Change the type to
1401         VEC(tree,gc).
1402         (init_ssanames, fini_ssa_names, make_ssanames,
1403         release_ssa_name): Update uses of ssa_names.
1404
1405         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
1406         Use fold_buildN instead of fold (buildN (...)).
1407
1408 2005-04-27  Devang Patel <dpatel@apple.com>
1409
1410         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
1411
1412 2005-04-27  Matt Thomas <matt@3am-software.com>
1413             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
1414
1415         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
1416         (vax_output_mi_thunk): Ditto.
1417         (vax_notice_cc_update): Ditto.
1418         (INDEX_REGISTER_P): Add trailing \.
1419         (BASE_REGISTER_P): Add trailing \.
1420         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
1421
1422 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
1423
1424         * tree-ssa-propagate.c (set_rhs): Check operand of
1425         ADDR_EXPR for gimpliness, too.
1426
1427 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1428
1429         * tree-ssa-pre.c: Fix a comment typo.
1430
1431 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1432
1433         PR tree-optimization/21171
1434         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
1435         record address uses if the reference is volatile.
1436
1437 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
1438
1439         * tree-complex.c (expand_vector_operation): New, extracted from
1440         expand_vector_operations_1.
1441         (tree_vec_extract): Build a NOP_EXPR.
1442         (expand_vec_parallel): Do not care about returning the correct type.
1443         (expand_vector_operations_1): Call expand_vector_operation.
1444         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
1445
1446         * tree-complex.c (gate_expand_vector_operations): New.
1447         (pass_lower_vector_ssa): Use it.
1448         * tree-optimize.c (init_tree_optimization_passes): Include
1449         pass_lower_vector_ssa.
1450         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
1451         (vectorizable_operation): Use it.
1452         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
1453         integer modes for the vector type.
1454
1455         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
1456         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
1457         Do not cope with UNITS_PER_SIMD_WORD == 0.
1458         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
1459         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
1460         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
1461         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
1462         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
1463         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
1464         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
1465
1466         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
1467         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
1468         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
1469
1470         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
1471         (UNITS_PER_SIMD_WORD): New.
1472
1473 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1474
1475         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
1476         gcc_unreachable as appropriate.
1477         (ia64_expand_load_address, ia64_expand_tls_address,
1478         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
1479         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
1480         next_scratch_gr_reg, ia64_initial_elimination_offset,
1481         ia64_expand_prologue, ia64_expand_epilogue,
1482         ia64_output_dwarf_dtprel, ia64_print_operand,
1483         ia64_register_move_cost, first_instruction, rws_access_regno,
1484         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
1485         ia64_sched_init, ia64_variable_issue,
1486         ia64_first_cycle_multipass_dfs_lookahead_guard,
1487         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
1488         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
1489         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
1490         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
1491         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1492         * config/ia64/predicates.md (got_symbolic_operand,
1493         sdata_symbolic_operand): Likewise.
1494         * config/ia64/vect.md (vcondv2sf): Likewise.
1495
1496 2005-04-27  Matt Thomas <matt@3am-software.com>
1497
1498         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
1499         CONSTANT_ADDRESS_P in config/vax/vax.h
1500         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h. 
1501         (INDEX_REGISTER_P): New.
1502         (BASE_REGISTER_P): New.
1503         (indirectable_constant_address_p): New.  Adapted from
1504         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
1505         (indirectable_address_p): New.  Adapted from
1506         INDIRECTABLE_ADDRESS_P in vax.h.
1507         (nonindexed_address_p): New.  Adapted from
1508         GO_IF_NONINDEXED_ADDRESS in vax.h.
1509         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
1510         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
1511         (legitimate_address_p): New.  Adapted from
1512         GO_IF_LEGITIMATE_ADDRESS in vax.h.
1513         (vax_mode_dependent_address_p): New.  Adapted from
1514         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
1515         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
1516         legitimate_constant_address_p.
1517         (CONSTANT_P): Use legitimate_constant_p.
1518         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
1519         (INDIRECTABLE_ADDRESS_P): Removed.
1520         (GO_IF_NONINDEXED_ADDRESS): Removed.
1521         (INDEX_TEMP_P): Removed.
1522         (GO_IF_REG_PLUS_INDEX): Removed.
1523         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
1524         definitions, depending on whether REG_OK_STRICT is defined.
1525         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
1526         Two definitions, depending on whether REG_OK_STRICT is defined.
1527         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
1528         added.
1529         (legitimate_constant_p): Prototype added.
1530         (legitimate_address_p): Prototype added.
1531         (vax_mode_dependent_address_p): Prototype added.
1532
1533 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1534
1535         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
1536
1537 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
1538
1539         PR c/21213
1540         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
1541         transparent union.
1542
1543 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
1544
1545         PR c/20740
1546         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
1547         assertion failures, if __gcc_host_wide_int__ is not properly
1548         defined.
1549         (init_dynamic_diag_info): Give errors, not assertion failures, if
1550         location_t, tree or __gcc_host_wide_int__ are not properly
1551         defined.
1552
1553 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
1554
1555         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
1556         n_iv_uses, iv_use, n_iv_cands, iv_cand,
1557         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
1558         prepare_decl_rtl, free_loop_data,
1559         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
1560         VARRAY.
1561
1562         * tree.h (tree_phi_node): Add a comment about the order of PHI
1563         arguments.
1564
1565 2005-04-26  Paul Brook  <paul@codesourcery.com>
1566
1567         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
1568
1569 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
1570
1571         * config/mips.mips.c (mips_legitimize_tls_address): Use
1572         gcc_unreachable.
1573
1574         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
1575         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
1576         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
1577
1578         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
1579         'abort'.
1580
1581 2005-04-26  Jeff Law  <law@redhat.com>
1582
1583         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
1584         (op_iter_init_must_and_may_def): Likewise.
1585         (unmodifiable_var_p): Move to a later point in the file.
1586         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
1587         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
1588         (dse_record_phis): Directly check for virtual operands rather than
1589         using need_imm_uses_for.
1590         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
1591         store has multiple V_{MAY,MUST}_DEF operands.
1592
1593 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
1594
1595         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
1596         stmt.
1597
1598 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
1599
1600         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
1601         call to find_edge outside a loop to go through a PHI chain.
1602
1603 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
1604
1605         PR tree-optimization/17598
1606         * fold-const.c (fold_binary): Fold comparisons of addresses
1607         of COMPONENT_REFs which reference the same field to
1608         comparisons of the addresses of the base objects.
1609
1610 2005-04-26  Julian Brown  <julian@codesourcery.com>
1611
1612         * config/arm/arm.c (arm_return_in_msb): New function.
1613         (arm_must_pass_in_stack): New function.
1614         (TARGET_RETURN_IN_MSB): Define target hook.
1615         (TARGET_MUST_PASS_IN_STACK): Define target hook.
1616         (arm_function_value): Pad small aggregate return.
1617         (arm_pad_arg_upward): New function.
1618         (arm_pad_reg_upward): New function.
1619         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
1620         (FUNCTION_ARG_PADDING): Define macro.
1621         (BLOCK_REG_PADDING): Define macro.
1622         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
1623         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
1624         (arm_pad_reg_upward): Declare function.
1625
1626 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
1627
1628         * basic-block.h (ei_cond): New.
1629         (FOR_EACH_EDGE): Call ei_cond.
1630
1631         PR tree-optimization/21047
1632         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
1633         (fold): Don't handle ASSERT_EXPR.
1634
1635 2005-04-25  Roger Sayle  <roger@eyesopen.com>
1636
1637         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
1638         all writes to any stack register as a read/write dependency on
1639         FIRST_STACK_REG.
1640         (sched_analyze_2): Likewise, for reads from any stack register.
1641
1642 2005-04-25  Richard Henderson  <rth@redhat.com>
1643
1644         * final.c (output_addr_const): Revert 2005-04-09 change.
1645
1646 2005-04-25  Mike Stump  <mrs@apple.com>
1647
1648         * config/darwin.c (darwin_encode_section_info): Always set
1649         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
1650
1651 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1652
1653         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
1654         gensupport.c, protoize.c, toplev.c: Replace calls to
1655         `unlock_stream' with `unlock_std_streams'.
1656
1657 2005-04-25  Devang Patel <dpatel@apple.com>
1658
1659         * dbxout.c (dbxout_type): Emit attribute vector.
1660         
1661 2005-04-05  Paul Brook  <paul@codesourcery.com>
1662
1663         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
1664         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
1665         * config/arm/arm.c (arm_cxx_atexit_name): New function.
1666         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
1667         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
1668         (register_dtor_fn): Likewise.
1669         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
1670
1671 2005-04-25  Ian Lance Taylor  <ian@airs.com>
1672
1673         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
1674         * c-common.h (EXPR_STMT_EXPR): Don't define.
1675         (c_common_stmt_codes): Don't define.
1676         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
1677         * c-gimplify.c (gimplify_expr_stmt): Remove.
1678         (c_gimplify_expr): Remove EXPR_STMT case.
1679         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
1680         to INIT_STATEMENT_CODES.
1681         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
1682
1683 2005-04-25  Jan Hubicka  <jh@suse.cz>
1684
1685         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
1686
1687         * except.c: Include diagnostic.h
1688         (dump_eh_tree, verify_eh_tree): New functions.
1689         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
1690         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
1691         (dump_function_to_file): dump eh tree.
1692         * tree-eh.c (mark_eh_edge): New function.
1693         (mark_eh_edge_found_error): New static variable.
1694         (verify_eh_edges): New function.
1695
1696 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
1697
1698         * tree-ssa-alias.c (fieldoff_t): Remove.
1699         (fieldoff_s): typedef the structure itself.  Create a vector of
1700         objects.
1701         (push_fields_onto_fieldstack): Return count of fields pushed.
1702         Remove peeling of first field.  Adjust.
1703         (fieldoff_compare): Adjust.
1704         (create_overlap_variables_for): Adjust.
1705
1706 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
1707
1708         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
1709
1710 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
1711
1712         PR bootstrap/21215
1713         * doc/install.texi: Document correct assembler and linker to use
1714         on i?86-*-solaris2.10.
1715
1716 2005-04-25  Steven Bosscher  <stevenb@suse.de>
1717
1718         Fix PR tree-optimization/21173
1719
1720         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
1721         Unshare expression we pass to force_gimple_operand.
1722
1723 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
1724             Stephen Clarke <stevec@superh.com>
1725             Roger Sayle <roger@eyesopen.com>
1726
1727         PR rtl-optimization/20413
1728         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
1729         VOIDmode for LABEL_REF.
1730         * final.c (shorten_branches): Likewise.
1731         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
1732         * loop.c (reg_dead_after_loop): Likewise.
1733         * varasm.c (decode_addr_const): Likewise.
1734         * doc/rtl.texi: Document mode requirement for LABEL_REF.
1735
1736 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
1737
1738         * config.gcc (avr-*-*): Remove redundant "case".
1739
1740 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
1741
1742         * tree-vect-analyze.c (vect_mark_relevant): Take
1743         VEC(tree,heap) instead of varray_type as an argument.
1744         (vect_mark_stmts_to_be_vectorized): Change the type of
1745         worklist to VEC(tree,heap).  Adjust uses of worklist.
1746
1747 2005-04-24  Devang Patel  <dpatel@apple.com>
1748
1749         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
1750         
1751 2005-04-24  Ian Lance Taylor  <ian@airs.com>
1752
1753         * c-semantics.c (build_stmt): Remove test of specific tree codes
1754         for TREE_SIDE_EFFECTS handling.
1755
1756 2005-04-24  Per Bothner  <per@bothner.com>
1757
1758         * c-opts.c (finish_options):  Make the line-number of the <built-in>
1759         location 0, as assumed elsewhere, rather than 1.
1760
1761 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
1762
1763         * tree-ssa-uncprop.c (equiv_stack): Change the type o
1764         VEC(tree,heap).
1765         (tree_ssa_uncprop, uncprop_finalize_block,
1766         uncprop_initialize_block): Update uses of equiv_stack.
1767
1768 2005-04-24  Richard Henderson  <rth@redhat.com>
1769
1770         PR rtl-opt/21163
1771         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
1772         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
1773         constm1_rtx.
1774         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
1775         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
1776         <DIV, MOD>: Likewise.
1777
1778 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1779
1780         * collect2.c (main): Unlock the stdio streams.
1781         * gcc.c (main): Likewise.
1782         * gcov-dump.c (main): Likewise.
1783         * gcov.c (main): Likewise.
1784         * gen-protos.c (main): Likewise.
1785         * gensupport.c (init_md_reader_args_cb): Likewise.
1786         * protoize.c (main): Likewise.
1787         * toplev.c (general_init): Likewise.
1788
1789 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
1790
1791         PR middle-end/20991
1792         * cgraph.h (cgraph_local_info): Add vtable_method field.
1793         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
1794         and node is vtable_method, finalized and not reachable, don't do
1795         anything.
1796
1797 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
1798
1799         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
1800         COMPARISON_CLASS_P.
1801         * tree-ssa-pre.c (create_value_expr_from): Use
1802         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
1803         * tree-ssa-propagate.c (stmt_makes_single_load,
1804         stmt_makes_single_store): Use REFERENCE_CLASS_P.
1805         * tree-vect-transform.c (vect_is_simple_cond): Use
1806         COMPARISON_CLASS_P.
1807         * tree-vrp.c (extract_range_from_assert,
1808         build_assert_expr_for, fp_predicate, has_assert_expr): Use
1809         COMPARISON_CLASS_P.
1810
1811         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
1812         of tpa_to_clear to VEC(int,heap).  Update uses of
1813         tpa_to_clear.  Free tpa_to_clear at the end.
1814
1815 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
1816
1817         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
1818         function decl.
1819
1820 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
1821
1822         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
1823         and gcc_unreachable as appropriate.
1824         (num_insns_constant, output_vec_const_move,
1825         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
1826         rs6000_emit_set_const, rs6000_emit_move,
1827         spe_build_register_parallel, function_arg,
1828         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
1829         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
1830         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
1831         rs6000_common_init_builtins, expand_block_clear,
1832         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
1833         extract_ME, rs6000_get_some_local_dynamic_name,
1834         rs6000_output_function_entry, print_operand,
1835         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
1836         output_cbranch, output_e500_flip_gt_bit,
1837         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
1838         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
1839         compute_save_world_info, rs6000_stack_info,
1840         rs6000_emit_load_toc_table, rs6000_frame_related,
1841         spe_synthesize_frame_save, rs6000_emit_epilogue,
1842         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
1843         output_function_profiler, rs6000_trampoline_size,
1844         rs6000_initialize_trampoline, find_addr_reg,
1845         rs6000_machopic_legitimize_pic_address,
1846         rs6000_initial_elimination_offset,
1847         rs6000_dbx_register_number): Likewise.
1848         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
1849         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
1850         *movti_power, *movti_string, call, call_value, sibcall,
1851         sibcall_value): Likewise.
1852         * config/rs6000/spe.md (*movdf_e500_double,
1853         *movv2si_internal): Likewise.
1854         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
1855         from comment.
1856
1857 2005-04-24  Richard Henderson  <rth@redhat.com>
1858
1859         PR target/21101
1860         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
1861         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
1862         Deny modes smaller than 4 bytes.
1863         * config/i386/i386-protos.h: Update.
1864
1865 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
1866
1867         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
1868         Switch h8300-*-rtems* to ELF.
1869
1870 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
1871
1872         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
1873
1874 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
1875
1876         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
1877
1878 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
1879
1880         PR middle-end/21082
1881         * fold-const.c: Fold &a[i]-&a[j] to i-j.
1882
1883 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1884
1885         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
1886         definitions of ssa names in condition.  Split recusive part to ...
1887         (tree_simplify_using_condition_1): New function.
1888         (expand_simple_operations): New function.
1889
1890 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1891
1892         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
1893         (find_interesting_uses_cond): Do not use integer_zerop and
1894         integer_nonzerop to check for integer constants.
1895         (set_use_iv_cost): Record the value field.
1896         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
1897         determine_use_iv_cost_outer): Set the value field of the cost pair.
1898         (may_eliminate_iv): Do not return the comparison code.
1899         (iv_elimination_compare): New function.
1900         (determine_use_iv_cost_condition): Set the value field.  Record
1901         noneliminable invariants correctly.
1902         (rewrite_use_compare, rewrite_use_outer): Use the value field.
1903
1904 2005-04-23  DJ Delorie  <dj@redhat.com>
1905
1906         * diagnostic.c (warning): Accept parameter to classify warning option.
1907         (warning0): New, for when a pointer to an error() like function is needed.
1908         * errors.c (warning): Likewise.
1909         * errors.h (warning, warning0): Adjust prototypes.
1910         * toplev.h (warning, warning0): Likewise.
1911
1912         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
1913         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
1914         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
1915         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
1916         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
1917         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
1918         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
1919         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
1920
1921         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
1922         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
1923         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
1924         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
1925         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
1926         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
1927         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
1928         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
1929         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
1930         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
1931         config/rs6000/aix52.h, config/rs6000/darwin.h,
1932         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
1933         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
1934         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
1935         config/stormy16/stormy16.c, config/v850/v850-c.c,
1936         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
1937         callers.
1938         
1939 2005-04-23  Richard Henderson  <rth@redhat.com>
1940
1941         PR rtl-opt/21102
1942         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
1943         performing some integral scalar simplifications.
1944
1945 2005-04-23  Richard Henderson  <rth@redhat.com>
1946
1947         PR target/21099
1948         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
1949         simplifying CONST_VECTOR.
1950
1951 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
1952
1953         * tree-ssa-live.c (live_worklist): Take a stack allocated on
1954         heap as an argument.  Update uses of stack.
1955         (calculate_live_on_entry): Allocate stack on heap.
1956
1957         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
1958         partition_link and tpa_nodes on heap.
1959
1960         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
1961         (mark_stmt_necessary, propagate_necessity,
1962         mark_really_necessary_kill_operand_phis): Update uses of
1963         worklist.
1964         (tree_dce_init): Allocate worklist using VEC_alloc.
1965         (tree_dce_done): Free worklist using VEC_free.
1966
1967 2005-04-23  Mike Stump  <mrs@apple.com>
1968
1969         * config/darwin.c (machopic_indirection_name): Don't use
1970         quotes needlessly.
1971         (darwin_emit_unwind_label): Use user_label_prefix instead of
1972         "_".
1973
1974 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
1975
1976         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
1977
1978 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
1979
1980         * config.gcc <cris-*>: Specify .opt files.
1981         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
1982         config/cris/linux.opt: New files.
1983         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
1984         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
1985         (TARGET_ELF): Override to 0.
1986         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
1987         -melinux-stacksize=N.
1988         * config/cris/cris.c: (cris_handle_option): New function.
1989         (TARGET_DEFAULT_TARGET_FLAGS): Override.
1990         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
1991         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
1992         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
1993         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
1994         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
1995         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
1996         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
1997         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
1998         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
1999         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
2000         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
2001         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
2002         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
2003         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
2004         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
2005         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
2006         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
2007         (TARGET_LINUX): Define 0.
2008         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
2009         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
2010         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
2011         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
2012         (TARGET_LINUX): Override to 1.
2013         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
2014
2015 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
2016
2017         * haifa-sched.c (schedule_block): Fix thinko in previous
2018         assertification patch.
2019
2020 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
2021
2022         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
2023         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
2024         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
2025         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
2026         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
2027         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
2028         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
2029         for hpux11.[1-9]*.
2030         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
2031         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
2032         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
2033         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
2034         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
2035         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
2036         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
2037         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
2038         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
2039         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
2040         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
2041         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
2042         (SUBTARGET_OPTIONS): Delete.
2043         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
2044         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
2045         instead of a string.
2046         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
2047         (pa_cpu_string, pa_unix_string): Delete.
2048         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
2049         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
2050         TARGET_HPUX_10_10.
2051         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2052         (pa_handle_option): New function.
2053         (override_options): Remove handling of -march=, -mfixed-range=,
2054         -mschedule= and -munix=.
2055         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
2056         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
2057         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
2058         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
2059         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
2060         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
2061         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
2062         redefining.
2063         * config/pa/pa.opt: New file.
2064         * config/pa/pa-hpux.opt: New file.
2065         * config/pa/pa-hpux1010.opt: New file.
2066         * config/pa/pa-hpux1111.opt: New file.
2067         * config/pa/pa64-hpux.opt: New file.
2068
2069 2005-04-22  David S. Miller  <davem@davemloft.net>
2070
2071         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
2072         integer when it's mode is VOIDmode not DImode.
2073
2074 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
2075
2076         * config/rs6000/rs6000.md (sync_add<mode>_internal,
2077         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
2078         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
2079         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
2080         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
2081         "bne- $-xxx" rather than local labels.
2082         (sync_lock_release<mode>): Add second operand.
2083         (lwsync): Use .long rather than a more meaningful opcode.
2084         * doc/md.texi (Standard Names): Add description of second
2085         parameter to sync_lock_test_and_set.
2086
2087 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
2088
2089         PR tree-optimization/21088
2090         * fold-const.c (fold_unary, fold_binary, fold_ternary):
2091         Export.
2092         * tree-vrp.c (compare_values): Use fold_binary to compare
2093         pointers.  Use boolean_type_node as the type of a comparison
2094         expression being folded.
2095         * tree.h: Add prototypes for fold_unary, fold_binary,
2096         fold_ternary.
2097
2098         * tree-ssa-dom.c: Fix formatting.
2099
2100 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
2101
2102         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
2103         * lambda-code.c (perfect_nestify): Mark virtual operands in
2104         the moved statement for renaming.
2105         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
2106         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
2107         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
2108         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
2109         * tree-flow.h (struct var_ann_d): Update comments.
2110         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
2111         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
2112         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
2113         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
2114         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
2115         debug_names_replaced_by): Remove declarations.
2116         (delete_update_ssa, get_current_def, set_current_def): Declare.
2117         (rewrite_into_loop_closed_ssa): Add new argument.  Update
2118         all callers.
2119         * tree-into-ssa.c: Include params.h.
2120         (old_virtual_ssa_names): Remove.  Update all users.
2121         (need_to_replace_names_p): Remove.  Update all users.
2122         (struct update_ssa_stats_d): Declare.
2123         (update_ssa_stats): New local.
2124         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
2125         dump_tree_ssa_stats, debug_tree_ssa_stats,
2126         dump_update_ssa, debug_update_ssa,
2127         dump_names_replaced_by, debug_names_replaced_by): Declare.
2128         (get_current_def, set current_def): Make extern.
2129         (is_old_name, is_new_name): Protect against references
2130         past the end of the sets.
2131         (add_new_name_mapping): Assert that OLD and NEW are
2132         different SSA names for the same symbol.
2133         When adding a virtual mapping, update stats for virtual
2134         mapping heuristic.
2135         (insert_phi_nodes_for): If UPDATE_P is true, create the
2136         LHS of the new PHI by duplicating SSA name VAR.
2137         (insert_phi_nodes_1): Remove.  Update all users.
2138         (insert_phi_nodes): Remove second argument.  Update all
2139         users.
2140         (maybe_replace_use, maybe_replace_def): New.
2141         (rewrite_update_stmt): Call them.
2142         (mark_def_interesting): Remove calls to is_gimple_reg.
2143         (prepare_phi_args_for_update): Remove.  Update all users.
2144         (prepare_block_for_update): Only process virtual operands
2145         and GIMPLE registers in normal form.
2146         (prepare_use_sites_for): New.
2147         (prepare_names_to_update): Rename from prepare_def_sites.
2148         Call prepare_use_sites_for.
2149         (dump_update_ssa): Rename from dump_repl_tbl.
2150         Update all users.
2151         Show statistics for virtual mapping heuristic.
2152         (debug_update_ssa): Rename from debug_debug_repl_tbl.
2153         (init_update_ssa): Initialize UPDATE_SSA_STATS.
2154         (delete_update_ssa): Make extern.
2155         (mark_set_for_renaming): If the set is empty, do nothing.
2156         (release_ssa_name_after_update_ssa): Update comment.
2157         (insert_updated_phi_nodes_for): Do not remove existing
2158         PHI nodes for symbols.
2159         (switch_virtuals_to_full_rewrite_p): New.
2160         (switch_virtuals_to_full_rewrite): New.
2161         (update_ssa): Call them.
2162         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
2163         for every statement before updating.
2164         If all the names in NEW_SSA_NAMES have been marked for
2165         removal, do nothing.
2166         Only start at the top of the CFG if there are symbols in
2167         SYMS_TO_RENAME.
2168         (ssa_rewrite_finalize_block): Remove.
2169         (ssa_register_new_def): Remove.
2170         (ssa_rewrite_stmt): Remove.
2171         (ssa_rewrite_phi_arguments): Remove.
2172         (ssa_rewrite_initialize_block): Remove.
2173         (ssa_mark_def_sites): Remove.
2174         (ssa_mark_def_sites_initialize_block): Remove.
2175         (ssa_mark_phi_uses): Remove.
2176         (rewrite_ssa_into_ssa): Remove.
2177         * tree-phinodes.c (find_phi_node_for): Remove.
2178         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
2179         Call update_ssa.
2180         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
2181         Remove calls to verify_dominators and
2182         verify_loop_structure.
2183         (tree_unswitch_single_loop): Call update_ssa.
2184         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
2185         returns false.
2186         Call verify_stmts.
2187         (delete_tree_ssa): Assert that need_ssa_update_p returns
2188         false.
2189         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
2190         * tree-vectorizer.c (allocate_new_names, rename_def_op,
2191         free_new_names): Remove.  Update all users.
2192         (rename_use_op): Call get_current_def.
2193         (rename_variables_in_bb): Do not handle any real or
2194         virtual definition.
2195         (slpeel_update_phis_for_duplicate_loop): Call
2196         get_current_def and set_current_def instead of using
2197         SSA_NAME_AUX.
2198         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
2199         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
2200         ssa_names_to_replace and delete_update_ssa.
2201         * doc/invoke.texi: Document --param min-virtual-mappings
2202         and --param virtual-mappings-ratio.
2203
2204 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
2205
2206         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
2207         for newly created PHI nodes.
2208         Call create_new_def_for for every new V_MAY_DEF and
2209         V_MUST_DEF on the copied statement.
2210         (struct ssa_name_map_entry): Remove.
2211         (ssa_name_map_entry_hash): Remove.
2212         (ssa_name_map_entry_eq): Remove.
2213         (allocate_ssa_names): Remove.
2214         (rewrite_to_new_ssa_names_def): Remove.
2215         (rewrite_to_new_ssa_names_use): Remove.
2216         (rewrite_to_new_ssa_names_bb): Remove.
2217         (rewrite_to_new_ssa_names): Remove.
2218         (tree_duplicate_sese_region): Remove variables ver,
2219         definitions, phi, ssa_name_map and bi.
2220         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
2221         Call update_ssa.
2222         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
2223         update_ssa instead of rewrite_ssa_into_ssa.
2224         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
2225         create_new_def_for.
2226         (find_uses_to_rename_use): Add argument 'need_phis'.
2227         (find_uses_to_rename_stmt): Do not scan virtual operands.
2228         (find_uses_to_rename): Only scan PHI nodes for
2229         non-virtual names.
2230         (rewrite_into_loop_closed_ssa): Call update_ssa.
2231         (check_loop_closed_ssa_use): Ignore virtual operands.
2232         (check_loop_closed_ssa_stmt): Likewise.
2233         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
2234         NULL.
2235         (rename_variables, set_phi_def_stmts): Remove.
2236         (tree_duplicate_loop_to_header_edge): Reformat comment.
2237         Remove variables BB, I and DEFINITIONS.
2238         Call need_ssa_update_p.
2239         Call update_ssa.
2240         (lv_adjust_loop_header_phi): Reformat comment.
2241         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
2242         (marked_for_rewrite_p, any_marked_for_rewrite_p,
2243         mark_for_rewrite, unmark_all_for_rewrite,
2244         marked_ssa_names): Remove.  Update all users.
2245         (release_ssa_name): If VAR has been registered for SSA
2246         updating, do nothing.
2247         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
2248         (build_assert_expr_for): Call register_new_name_mapping.
2249         (insert_range_assertions): Update call to update_ssa.
2250         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
2251         marked_for_rewrite_p, any_marked_for_rewrite_p,
2252         marked_ssa_names): Remove.
2253
2254 2005-04-22  Jeff Law  <law@redhat.com>
2255
2256         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
2257         (restore_currdefs_to_original_value): Likewise.
2258         (register_definitions_for_stmt): Likewise.
2259         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
2260         for each variable.  Do not allocate/free block_defs_stack either.
2261         Do not iterate if we just thread jumps.  Only iterate if the
2262         tree_cleanup_cfg does useful work (temporary).
2263         (dom_opt_initialize_block): No longer push a marker on
2264         BLOCK_DEFS_STACK.
2265         (dom_opt_finalize_block): Removal call to restore currdefs.
2266         Relax restrictions for recording edge equivalences.
2267         (record_equivalences_from_phis): No longer need to track
2268         CURRENT_DEF.
2269         (optimize_stmt): Similarly.
2270         (thread_across_edge): Simplify by removing the requirement that
2271         statements in the block we are threading through must be nops.
2272         (initialize_hash_element): Handle GOTO_EXPR.
2273
2274 2005-04-22  David S. Miller  <davem@davemloft.net>
2275
2276         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
2277         CONST_DOUBLE_HIGH.
2278         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
2279         fix check on CONST_DOUBLE mode.  It should be VOIDmode
2280         when it is representing an integer.
2281
2282 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2283
2284         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
2285         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
2286         * c-format.c (get_constant, decode_format_attr, get_flag_spec, 
2287         find_char_info_specifier_index,
2288         find_length_info_modifier_index): Likewise.
2289         * c-typeck.c (composite_type, pop_init_level): Likewise.
2290         * combine.c (cant_combine_insn_p, try_combine): Likewise.
2291         * cse.c (cse_insn): Likewise
2292         * dominance.c (calc_dfs_tree): Likewise
2293         dwarf2out.c (loc_descriptor_from_tree_1,
2294         add_abstract_origin_attribute, force_decl_die,
2295         force_type_die): Likewise
2296         emit-rtl.c (operand_subword_force): Likewise
2297         explow.c (hard_function_value): Likewise
2298         expmed.c (store_bit_field, expand_divmod,
2299         emit_store_flag_force): Likewise
2300         expr.c (emit_move_multi_word, store_expr,
2301         expand_expr_real_1): Likewise
2302         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
2303         output_operand): Likewise
2304         flow.c (recompute_reg_usage): Likewise
2305         * function.c (assign_stack_temp_for_type, assign_temp, 
2306         handle_epilogue_set): Likewise
2307         * genextract.c (main): Likewise
2308         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
2309         gimplify_modify_expr_rhs, gimplify_expr): Likewise
2310         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
2311         ready_remove, rm_line_notes, rm_other_notes,
2312         schedule_block): Likewise
2313         mips-tfile.c (copy_object, out_of_bounds): Likewise
2314
2315 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
2316
2317         PR target/20813
2318         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
2319         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
2320         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
2321         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
2322         TARGET_XL_COMPAT.
2323         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
2324
2325 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2326
2327         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
2328         (gcc_tree_to_linear_expression): Convert to heap allocated
2329         vectors.
2330         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
2331         lbv_to_gcc_expression, lle_to_gcc_expression,
2332         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest, 
2333         perfect_nestify): Likewise.
2334         lambda.h (gcc_loopnest_to_lambda_loopnest,
2335         lambda_loopnest_to_gcc_loopnest): Likewise.
2336         tree-loop-linear.c (linear_transform_loops): Likewise.
2337
2338 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
2339
2340         * config/sparc/predicates.md (arith_double_operand): Use
2341         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
2342         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
2343         (DImode, DFmode constant splitters): Likewise.  Remove code for
2344         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
2345         (logical constant splitters): Use const_int_operand predicate.
2346         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
2347         HOST_BITS_PER_WIDE_INT < 64.
2348
2349 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2350
2351         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
2352         gcc_unreachable as appropriate.
2353         (force_mode, emit_move_sequence, singlemove_string,
2354         output_move_double, output_fp_move_double, find_addr_reg,
2355         output_block_move, output_block_clear, output_and,
2356         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
2357         pa_adjust_cost, pa_issue_rate, print_operand,
2358         output_global_address, output_arg_descriptor, output_cbranch,
2359         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
2360         output_call): Likewise.
2361         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
2362         prefetch, prefetch_cc, prefetch_nocc): Likewise.
2363
2364 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
2365
2366         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
2367         _gcov_pow2_profiler and _gcov_one_value_profiler.
2368         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
2369         (GTFILES): Add $(srcdir)/tree-profile.c.
2370         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
2371         __gcov_one_value_profiler): Declare.
2372         * gimplify.c (force_gimple_operand): Check whether the statements
2373         should be produced in ssa form.
2374         (force_gimple_operand_bsi): New function.
2375         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
2376         __gcov_one_value_profiler): New functions.
2377         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
2378         the profiled value is a power of two or not.
2379         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
2380         * tree-flow.h (in_ssa_p): Declare.
2381         (force_gimple_operand_bsi): Declare.
2382         * tree-into-ssa.c (in_ssa_p): New variable.
2383         (rewrite_into_ssa): Set in_ssa_p.
2384         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
2385         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
2386         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
2387         tree_one_value_profiler_fn): New variables.
2388         (tree_init_edge_profiler): Initialize the profiler function decls.
2389         (tree_gen_edge_profiler): Use global gcov_type_node.
2390         (prepare_instrumented_value): New function.
2391         (tree_gen_interval_profiler, tree_gen_interval_profiler,
2392         tree_gen_one_value_profiler): Call the library functions instead of
2393         creating instrumentation code.
2394         * tree.c (build_fn_decl): New function.
2395         * tree.h (build_fn_decl): Declare.
2396         * value-prof.c (rtl_divmod_values_to_profile,
2397         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
2398         tree_mod_pow2_value_transform, tree_find_values_to_profile):
2399         Do not handle may_be_other and precise values of exponents at pow2
2400         profiler.
2401         (tree_mod_subtract_transform): Reflect that value field of
2402         histogram has changed meaning.
2403         (tree_divmod_values_to_profile): Record the values correctly.
2404         (tree_values_to_profile): Update comment.
2405         * value-prof.h (struct histogram_value_t): Remove pow2 data.
2406
2407 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
2408
2409         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
2410         (decl).
2411
2412 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2413
2414         * config/i386/i386.md (length_immediate): Use gcc_assert or
2415         gcc_unreachable, as appropriate.
2416         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
2417         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
2418         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
2419         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
2420         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
2421         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
2422         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
2423         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
2424         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
2425         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
2426         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
2427         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
2428         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
2429         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
2430         *prefetch_sse_rex): Likewise.
2431         * config/i386/predicates.md (x86_64_immediate_operand,
2432         x86_64_zext_immediate_operand, symbolic_operand,
2433         no_seg_address_operand, aligned_operand,
2434         memory_displacement_operand): Likewise.
2435         * config/i386/sse.md (*mov<mode>_internal,
2436         *movv2df_internal): Likewise.
2437
2438 2005-04-22  Jan Hubicka  <jh@suse.cz>
2439
2440         * Makefile.in (ipa.o, ipa-inline.o): New files.
2441         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
2442         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
2443         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
2444         * cgraphunit.c (cgraph_default_inline_p,
2445         cgraph_decide_inlining_incrementally,  ncalls_inlined,
2446         nfunctions_inlined, initial_insns, overall_insns, 
2447         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
2448         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
2449         cgraph_mark_inline, cgraph_check_inline_limits,
2450         cgraph_default_inline_p, cgraph_recursive_inlining_p,
2451         update_callee_keys, lookup_recursive_calls,
2452         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
2453         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
2454         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
2455         pass_ipa_inline): Move to ipa-inline.c
2456         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
2457         * ipa.c: New file.
2458         * ipa-inline.c: New file.
2459
2460 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
2461
2462         * doc/invoke.texi (SPARC options): Document that -mapp-regs
2463         is turned off by default on Solaris.
2464
2465 2005-04-21  Roger Sayle  <roger@eyesopen.com>
2466
2467         * c-common.h (objc_build_method_signature): Update prototype.
2468         * stub-objc.c (objc_build_method_signature): Update the stub
2469         implementation to accept and ignore additional parameter.
2470         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
2471         the value of ellipsis to objc_build_method_signature instead
2472         of setting TREE_OVERFLOW on the parms TREE_LIST node.
2473
2474 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
2475
2476         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
2477         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
2478         gen_rtx_* not gen_rtx_fmt_*.
2479         (rs6000_emit_vector_select): Likewise.
2480         (rs6000_emit_sync): New.
2481         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
2482         (larx, stcx, cmp): New mode substitutions.
2483         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
2484         UNSPEC_ISYNC): New constants.
2485         (rlwinm): Give name.
2486         (memory_barrier, isync, lwsync): New insns.
2487         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
2488         (sync_lock_release<mode>): New expander.
2489         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
2490         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
2491         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
2492         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
2493         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
2494         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
2495         (sync_add<mode>_internal, sync_addshort_internal,
2496         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
2497         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
2498         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
2499
2500         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
2501         is the memory before, not after, the operation.  Clarify
2502         barrier requirements.
2503
2504 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2505
2506         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
2507         * lambda.h (lambda_vector_min_nz): Likewise.
2508         * langhooks.h (struct lang_hooks_for_types,
2509         struct lang_hooks): Likewise.
2510         * output.h (assemble_integer, this_is_asm_operands): Likewise.
2511         * tree.h: Likewise.
2512         * vec.h: Likewise.
2513         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
2514         
2515         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
2516         comments to avoid 'abort'.  Use gcc_assert as necessary.
2517         * opts.c (common_handle_option): Likewise.
2518         * pretty-print.c (pp_base_format_text): Likewise.
2519         * print-rtl.c (print_rtx): Likewise.
2520         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
2521         * regmove.c (try_auto_increment): Likewise.
2522         * reload.c (find_valid_class, find_reloads_toplev,
2523         find_equiv_reg): Likewise.
2524         * reload1.c (reload, forget_old_reloads_1, function_invariant_p, 
2525         merge_assigned_reloads): Likewise.
2526         * tree-inline.c (inline_forbidden_p_1,
2527         estimate_num_insns_1): Likewise.
2528         * tree-optimize.c (execute_todo): Likewise.
2529         * tree-outof-ssa.c (eliminate_phi): Likewise.
2530         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
2531         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
2532         * tree-ssa-operands.c (parse_ssa_operands,
2533         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
2534         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
2535         * tree-ssanames.c (release_ssa_name): Likewise.
2536         * tree.c (int_bit_position, int_byte_position, tree_low_cst, 
2537         walk_tree): Likewise.
2538
2539         * tree-ssa-operands.c (verify_abort): Fold into ..
2540         (verify_imm_links): ... here.
2541
2542 2005-04-21  Richard Henderson  <rth@redhat.com>
2543
2544         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
2545         on non-memory operand for previous inversion.
2546
2547 2005-04-21  Devang Patel  <dpatel@apple.com>
2548
2549         PR optimization/20994
2550         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
2551         x = !(a == b) : p , q;.
2552         (pass_if_conversion): Verify stmts and flow.
2553         
2554 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2555
2556         * optabs.c (gen_conditional_trap): Restore #define.
2557
2558         * alias.c (true_dependence): Remove 'abort' from comments. Use
2559         gcc_assert and gcc_unreachable as appropriate.
2560         (canon_true_dependence): Likewise.
2561         * bb-reorder.c (connect_traces): Likewise.
2562         * c-common.c (c_add_case_label): Likewise.
2563         * c-decl.c (finish_function): Likewise.
2564         * caller-save.c (insert_restore, insert_save): Likewise.
2565         * cfg.c (update_bb_profile_for_threading): Likewise.
2566         * cfganal.c (flow_active_insn_p): Likewise.
2567         * cfgexpand.c (add_reg_br_prob_note): Likewise.
2568         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
2569         cfg_layout_merge_blocks): Likewise.
2570         * ifcvt.c (cond_exec_process_insns, merge_if_block,
2571         find_if_block): Likewise.
2572         * integrate.c (allocate_initial_values): Likewise.
2573         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
2574         swap_condition, unsigned_condition, signed_condition,
2575         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
2576         reg_or_subregno): Likewise.
2577         * lambda-code.c (lambda_compute_auxillary_space,
2578         lambda_transform_legal_p): Likewise.
2579         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
2580         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
2581         lhd_incomplete_type_error, lhd_expand_expr,
2582         lhd_types_compatible_p, lhd_tree_size): Likewise.
2583         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
2584         * local-alloc.c (update_equiv_regs): Likewise.
2585         * loop-unroll.c (peel_loop_completely
2586         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
2587         peel_loop_simple, unroll_loop_stupid,
2588         analyze_iv_to_split_insn): Likewise.
2589         * loop.c (gen_prefetch, find_and_verify_loops,
2590         basic_induction_var): Likewise.
2591         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
2592         * value-prof.c (tree_find_values_to_profile): Likewise.
2593         * varasm.c (named_section, default_assemble_integer,
2594         decode_addr_const): Likewise.
2595
2596 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
2597            Fariborz Jahanian <fjahanian@apple.com>
2598
2599         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
2600         portion of argument passed in fpr.
2601         * expr.c (emit_push_insn): Fix computation of 'offset' used to
2602         decide on partial argument save on stack.
2603
2604 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
2605
2606         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
2607         comment typos.
2608
2609 2005-04-21  Jan Hubicka  <jh@suse.cz>
2610
2611         * cgraphunit.c: Include tree-pass.h
2612         (cgraph_decide_recursive_inlining,
2613         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
2614         cgraph_decide_inlining): Dump goes to dump_file.
2615         (cgraph_optimize): Call ipa passes instead of inliner.
2616         (cgraph_gate_inlining, pass_ipa_inline): New.
2617         * tree-optimize.c (all_ipa_passes): New static variable.
2618         (register_one_dump_file): Dead with IPA passes.
2619         (register_dump_files): Likewise.
2620         (init_tree_optimization_passes): Initialize IPA passes.
2621         (execute_todo): Do cgraph dump when asked to, do not dump function body
2622         for IPA pass.
2623         * tree-pass.h (TODO_dump_cgraph): New macro.
2624         (ipa_passes): Declare.
2625         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
2626
2627 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2628
2629         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
2630         gcc_assert instead of abort.
2631         (classify_argument, examine_argument, construct_container,
2632         contains_128bit_aligned_vector_p, ix86_check_movabs,
2633         standard_80387_constant_opcode, standard_80387_constant_rtx,
2634         ix86_initial_elimination_offset, ix86_compute_frame_layout,
2635         pro_epilogue_adjust_stack, ix86_expand_epilogue,
2636         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
2637         legitimize_tls_address, output_pic_addr_const,
2638         i386_output_dwarf_dtprel, put_condition_code, print_reg,
2639         get_some_local_dynamic_name, print_operand, print_operand_address,
2640         output_387_binary_op, emit_i387_cw_initialization,
2641         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
2642         ix86_expand_clear, ix86_expand_binary_operator,
2643         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
2644         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
2645         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
2646         ix86_expand_branch, ix86_expand_setcc,
2647         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
2648         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
2649         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
2650         memory_address_length, ix86_attr_length_immediate_default,
2651         ix86_attr_length_address_default, ix86_agi_dependant,
2652         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
2653         ix86_expand_binop_builtin, ix86_force_to_memory,
2654         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
2655         x86_emit_floatuns): Likewise.
2656         * config/i386/netware.c (gen_regparm_prefix,
2657         i386_nlm_strip_name_encoding): Likewise.
2658         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
2659
2660 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2661
2662         * optabs.c (gen_condiational_trap): Remove #define.
2663         (add_equal_note): Assertify. Remove explicit indirection from
2664         call via function pointer.
2665         (expand_ternary_op, expand_simple_binop, expand_binop,
2666         expand_twoval_unop, expand_twoval_binop,
2667         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
2668         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
2669         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
2670         prepare_float_lib_cmp, emit_conditional_move,
2671         emit_conditional_add, gen_add2_insn, gen_add3_insn,
2672         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
2673         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
2674         vector_compare_rtx, expand_vec_cond_expr): Likewise.
2675
2676 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2677
2678         * vec.h: Update API to separate allocation mechanism from type.
2679         (VEC_safe_grow): New.
2680         * vec.c (calculate_allocation): New.
2681         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
2682         (vec_gc_free, vec_heap_free): Remove.
2683         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
2684         (VEC): Likewise.
2685         (mangle_macro_name): New.
2686         (struct macro_def): New.
2687         (struct macro): Add multiple argument values.
2688         (macro_expans_end): New.
2689         (push_macro_expansion):  Chain on new macro. Process multiple
2690         args, create follow on expansion. Return follow on argument.
2691         (macro_input): Deal with multiple arguments.
2692         
2693         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
2694         (struct tree_binfo): Adjust.
2695         * basic-block.h: Define VEC(edge,gc).
2696         (struct edge_def): Adjust.
2697         (struct basic_block_def, struct edge_iterator): Likewise.
2698         (ei_container, ei_start_1, ei_last_1): Likewise.
2699         * cfg.c (connect_src, connect_dest): Likewise.
2700         * cfgrtl.c (force_nonfallthru_and_redirect)
2701         * dbxout.c (dbxout_type)
2702         * dwarf2out.c (gen_member_die)
2703         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
2704         (gcc_tree_to_linear_expression): Adjust.
2705         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
2706         lbv_to_gcc_expression, lle_to_gcc_expression,
2707         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
2708         perfect_nestify): Likewise.
2709         * lambda.h (gcc_loopnest_to_lambda_loopnest,
2710         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
2711         * profile.c (instrument_values): Adjust.
2712         * tree-cfg.c (modified_noreturn_calls): Adjust.
2713         (remove_fallthru_edge): Likewise.
2714         * tree-dump.c (dequeue_and_dump): Adjust.
2715         * tree-flow-inline.h (mark_stmt_modified): Adjust.
2716         * tree-flow.h (modified_noreturn_calls): Adjust.
2717         (tree_on_heap): Remove. (yay!)
2718         (register_new_def): Adjust.
2719         * tree-into-ssa.c: Define VEC(int,heap).
2720         (block_defs_stack): Adjust.
2721         (find_idf, insert_phi_nodes, register_new_def,
2722         rewrite_initialize_block, rewrite_finalize_block,
2723         register_new_update_single, rewrite_update_init_block,
2724         rewrite_update_fini_block, rewrite_blocks,
2725         ssa_rewrite_finalize_block, ssa_register_new_def,
2726         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
2727         * tree-loop-linear.c (linear_transform_loops): Adjust.
2728         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
2729         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
2730         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
2731         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
2732         vrp_variables_stack): Adjust declarations.
2733         (tree_ssa_dominator_optimize): Adjust.
2734         (dom_opt_initialize_block, remove_local_expressions_from_table,
2735         restore_nonzero_vars_to_original_value,
2736         restore_vars_to_original_value,
2737         restore_currdefs_to_original_value, dom_opt_finalize_block,
2738         record_var_is_nonzero, record_cond, record_const_or_copy_1,
2739         optimize_stmt, update_rhs_and_lookup_avail_expr,
2740         lookup_avail_expr, record_range): Likewise.
2741         * tree-ssa-pre.c: Define VEC(basic_block,heap).
2742         (compute_antic_aux): Adjust.
2743         (inserted_exprs, create_expression_by_pieces, 
2744         insert_into_preds_of_block, eliminate, mark_operand_necessary, 
2745         remove_dead_inserted_code, fini_pre): Likewise.
2746         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
2747         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist. 
2748         ssa_prop_init): Likewise.
2749         * tree-ssa.c: Define VEC(bitmap,heap).
2750         (verify_name_tags): Adjust.
2751         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
2752         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
2753         tree_divmod_values_to_profile, tree_find_values_to_profile,
2754         value_profile_transformations): Likewise.
2755         * value-prof.h: Define VEC(histogram_value,heap).
2756         * varasm.c: Remove alias_pair pointer typedef, define
2757         VEC(alias_pair,gc).
2758         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
2759         
2760         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
2761         not a pointer to it.  Create an object vector.
2762         (extern_symbols): Turn into an object vector.
2763         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
2764
2765 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
2766
2767         PR/20742
2768         * Makefile.in (tree-chrec.o): Depend on params.h.
2769         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
2770         default value 20.
2771         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
2772         and fold build with fold_buildN.
2773         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
2774         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2775         (tree_contains_chrecs): Compute an estimation of the size of the
2776         given expression.
2777         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
2778         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
2779         * tree-scalar-evolution.c (simple_iv): Ditto.
2780         * doc/invoke.texi (scev-max-expr-size): Documented.
2781
2782 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
2783
2784         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
2785         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
2786         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
2787         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
2788         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
2789         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
2790         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
2791         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
2792         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
2793         (darwin_fix_and_continue_switch): Delete.
2794         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
2795         (SUBTARGET_SWITCHES): Delete.
2796         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
2797         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
2798         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
2799         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
2800         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
2801         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
2802         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
2803         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
2804         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
2805         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
2806         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
2807         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
2808         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
2809         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
2810         (TARGET_64BIT): Undef before redefining.
2811         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
2812         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
2813         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
2814         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
2815         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
2816         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
2817         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
2818         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
2819         (ix86_debug_arg_string, ix86_debug_addr_string)
2820         (ix86_align_loops_string, ix86_align_jumps_string)
2821         (ix86_align_funcs_string): Delete.
2822         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
2823         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
2824         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
2825         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
2826         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
2827         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
2828         (SUBTARGET_SWITCHES): Delete.
2829         * config/i386/i386.c (ix86_debug_arg_string): Delete.
2830         (ix86_debug_addr_string): Delete.
2831         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
2832         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
2833         (ix86_align_loops_string, ix86_align_jumps_string)
2834         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
2835         (ix86_align_funcs_string): Make static.
2836         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2837         (ix86_handle_option): New function.
2838         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
2839         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
2840         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
2841         of darwin_fix_and_continue_switch.
2842         (darwin_one_byte_bool): Delete.
2843         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
2844         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
2845         to darwin_one_byte_bool.
2846         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
2847         * config/i386/djgpp.opt, config/i386/i386.opt,
2848         * config/i386/sco5.opt: New files.
2849
2850 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
2851
2852         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
2853         fp_zero_operand, fp_register_operand, intreg_operand,
2854         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
2855         call_operand, call_operand_address, tgd_symbolic_operand,
2856         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
2857         symbolic_operand, symbolic_memory_operand, label_ref_operand,
2858         sp64_medium_pic_operand, data_segment_operand,
2859         text_segment_operand, splittable_symbolic_memory_operand,
2860         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
2861         eq_or_neq, normal_comp_operator, noov_compare_op,
2862         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
2863         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
2864         const64_operand, const64_high_operand, arith11_operand,
2865         arith10_operand, arith_double_operand, arith_double_4096_operand,
2866         arith_double_add_operand, arith11_double_operand,
2867         arith10_double_operand, small_int, small_int_or_double,
2868         uns_small_int, uns_arith_operand, clobbered_register,
2869         input_operand, compare_operand): Delete.
2870         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
2871         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
2872         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
2873         (GEN_HIGHINT64, GEN_INT64): Delete.
2874         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
2875         gen_safe_XOR64): Adjust for above deletion.
2876         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
2877         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
2878         (legitimate_constant_p): Use const_zero_operand instead.
2879         (sparc_extra_constraint_check): Likewise.
2880         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
2881         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
2882         (PREDICATE_CODES): Delete.
2883         * config/sparc/sparc.md: Include predicates.md.
2884         (All patterns): Adjust for new predicate names.
2885         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
2886         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
2887         (movdi): Use general_operand predicate.
2888         (movdi_sp64_dbl): Delete.
2889         (movdi_const64_special): Add 'N' constraint.
2890         (movdicc): Use arith10_operand predicate.
2891         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
2892         (movdi_cc_reg_sp64): Use arith10_operand predicate.
2893         (movdi_cc_reg_sp64_trunc): Delete.
2894         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
2895         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
2896         (subdi3_sp32): Delete.
2897         (subdi3_insn_sp32): Change to define_insn_and_split.
2898         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
2899         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
2900         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
2901         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
2902         small_int_operand predicate.
2903         (divdi3, udivdi3): Use arith_operand predicate.
2904         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
2905         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
2906         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
2907         (xordi3_sp64_dbl): Delete.
2908         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
2909         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
2910         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
2911         cmp_ccx_set_not): Use arith_operand predicate.
2912         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
2913         * config/sparc/predicates.md: New file.
2914
2915 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
2916
2917         PR tree-optimization/14846
2918         * fold-const.c (fold_single_bit_test_into_sign_test): New,
2919         split out from ...
2920         (fold_single_bit_test): ... here.
2921         (fold_binary): Call fold_single_bit_test_into_sign_test
2922         instead of fold_single_bit_test.
2923
2924 2005-04-20  James E Wilson  <wilson@specifixinc.com>
2925
2926         PR c++/20805
2927         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
2928         is another declaration.
2929
2930 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
2931
2932         * config/cris/predicates.md: New file.
2933         * config/cris/cris-protos.h (cris_store_multiple_op_p)
2934         (cris_movem_load_rest_p): Declare.
2935         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
2936         (cris_movem_load_rest_p): Ditto.  Globalize.
2937         (cris_bdap_operand, cris_bdap_biap_operand,
2938         cris_orthogonal_operator, cris_commutative_orth_op,
2939         cris_operand_extend_operator,
2940         cris_additive_operand_extend_operator, cris_extend_operator,
2941         cris_plus_or_bound_operator, cris_mem_op,
2942         cris_general_operand_or_symbol,
2943         cris_general_operand_or_gotless_symbol,
2944         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
2945         cris_load_multiple_op): Remove predicate functions.
2946         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
2947         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
2948         * config/cris/cris.h (PREDICATE_CODES): Don't define.
2949         * config/cris/cris.md: Include predicates.md.
2950         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
2951
2952 2005-04-20  Ian Lance Taylor  <ian@airs.com>
2953
2954         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
2955         * c-common.h (STMT_EXPR_STMT): Don't define.
2956         (STMT_EXPR_NO_SCOPE): Don't define.
2957         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
2958         * c-pretty-print.c (pp_c_primary_expression): Likewise.
2959         (pp_c_expression): Likewise.
2960
2961 2005-04-20  Richard Henderson  <rth@redhat.com>
2962
2963         PR target/21100
2964         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
2965
2966 2005-04-20  Jeff Law  <law@redhat.com>
2967
2968         * reload1.c (reload): Ignore equivalences between pseudos and
2969         read only memory.
2970
2971 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
2972
2973         PR c/12913
2974         * c-tree.h (struct c_label_list): Update comment.
2975         (struct c_label_context): Rename to struct c_label_context_se.
2976         (label_context_stack): Rename to label_context_stack_se.
2977         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
2978         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
2979         c_end_vm_scope): New.
2980         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
2981         * c-decl.c (pop_scope): Call c_end_vm_scope.
2982         (pushdecl): Call c_begin_vm_scope for variably modified
2983         declarations.
2984         (define_label): Check for jumping into scope of identifier with
2985         variably modified type.  Push label on stack for those defined at
2986         current context of identifiers with variably modified type.
2987         (start_function): Create stack level for context of identifiers
2988         with variably modified type.
2989         (finish_function): Pop stack level for context of identifiers with
2990         variably modified type.
2991         * c-typeck.c (label_context_stack): Rename to
2992         label_context_stack_se.
2993         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
2994         (c_finish_goto_label): Check for jumping into scope of identifier
2995         with variably modified type.  Push label on stack for those jumped
2996         to from current context of identifiers with variably modified
2997         type.
2998         (struct c_switch): Add blocked_vm.
2999         (c_start_case): Initialize blocked_vm.
3000         (do_case): Check blocked_vm.
3001         (c_finish_case): Add comment.
3002         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
3003         variable label_context_stack.
3004
3005 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
3006
3007         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
3008         conditional_replacement, value_replacement, abs_replacement,
3009         minmax_replacement.
3010         (replace_phi_edge_with_variable): Remove argument BB.
3011         (conditional_replacement, value_replacement,
3012         minmax_replacement, abs_replacement): Remove argument PHI_BB.
3013         Update a call to replace_phi_edge_with_variable.
3014
3015         * tree-ssa-phiopt.c: Fix comments.
3016
3017 2005-04-20  Michael Matz  <matz@suse.de>
3018
3019         PR20973
3020         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
3021         pseudos.
3022
3023 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
3024
3025         * tree-ssa-phiopt.c: Fix comment typos.
3026
3027         PR tree-optimization/21116
3028         * tree-ssa-phiopt.c: Fix a typo.
3029
3030 2005-04-19  Richard Henderson  <rth@redhat.com>
3031
3032         * builtins.c (expand_builtin_sync_operation): Revert last change.
3033         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
3034         not vs new value.
3035         (expand_compare_and_swap_loop): Likewise.
3036         (expand_sync_operation): Remove fallback from NAND to AND; invert
3037         memory operand when expanding from cmpxchg.
3038         (expand_sync_fetch_operation): Likewise.
3039         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
3040         compare-and-swap.
3041
3042         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
3043         when implementing NAND.  Fix double-add for AFTER.
3044         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
3045         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
3046         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
3047         memory value.
3048         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
3049         memory barrier.
3050
3051         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
3052         to return old memory value.
3053         (sync_compare_and_swap_cc<IMODE>): Likewise.
3054
3055         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
3056         return pre-reload.  Don't consider output or anti dependencies.
3057         * config/ia64/sync.md (IMODE): New.
3058         (modesuffix): Add QI and HI.
3059         (memory_barrier): Simplify expansion.
3060         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
3061         (cmpxchg_acq_<IMODE>): Likewise.
3062         (sync_lock_test_and_set<IMODE>): Likewise.
3063         (sync_lock_release<IMODE>): Likewise.
3064
3065 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
3066
3067         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
3068         ~X or ~Y simplify.
3069
3070 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
3071
3072         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
3073
3074 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
3075             Joseph S. Myers  <joseph@codesourcery.com>
3076
3077         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
3078         * c-typeck.c (build_c_cast): Check these options.
3079         * doc/invoke.texi: Document these options.
3080
3081 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
3082
3083         * tree-ssa-phiopt.c: Update a comment about the pass.
3084
3085 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
3086
3087         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
3088         config/mcore/mcore.c: Fix comment typos.
3089
3090 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
3091
3092         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
3093         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
3094
3095 2005-04-19  Paul Brook  <paul@codesourcery.com>
3096
3097         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. 
3098
3099 2005-04-19  Andrew Haley  <aph@redhat.com>
3100
3101         PR java/21022
3102         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
3103         looking at a field's bitpos.
3104
3105 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3106
3107         * system.h (fopen, fdopen, freopen): Define these to the unlocked
3108         libiberty functions.
3109
3110 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
3111
3112         PR tree-optimization/21096
3113         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
3114
3115 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
3116
3117         PR target/21098
3118         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
3119         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
3120
3121 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
3122
3123         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
3124         refers to the function being dumped.
3125
3126 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
3127
3128         * varasm.c (assemble_start_function): Remove reset of in_section.
3129
3130 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
3131
3132         PR tree-optimization/21085
3133         * fold-const (fold_binary): Don't change X % -C to X % C if C has
3134         overflowed.
3135
3136 2005-04-19  Ben Elliston  <bje@au.ibm.com>
3137
3138         * doc/invoke.texi (Optimize Options): Refer to the correct
3139         optimisation flag -ftree-dominator-opts, not -ftree-dom.
3140
3141 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
3142
3143         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
3144         alloca argument to be big enough.
3145
3146 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
3147
3148         PR middle-end/21049
3149         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
3150         cfun->cfg are NULL.
3151
3152 2005-04-18  Tom Tromey  <tromey@redhat.com>
3153
3154         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
3155         typo.
3156
3157 2005-04-18  Richard Henderson  <rth@redhat.com>
3158
3159         * config/alpha/alpha.c (alpha_split_atomic_op): New.
3160         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
3161         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
3162         * config/alpha/alpha-protos.h: Update.
3163         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
3164         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
3165         (attr type): Add ld_l, st_c, mb.
3166         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
3167         iornotsi3, xorsi_internal, xornotsi3): New.
3168         * config/alpha/ev4.md (ev4_ld): Add ld_l.
3169         (ev4_ist_c, ev4_mb): New.
3170         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
3171         (ev5_ld_l): New.
3172         * config/alpha/ev6.md (ev6_ild): Add ld_l.
3173         (ev6_ist): Add st_c.
3174         (ev6_mb): New.
3175         * config/alpha/sync.md: New file.
3176
3177 2005-04-18  Richard Henderson  <rth@redhat.com>
3178
3179         * builtins.c (expand_builtin_sync_operation): Fold nand to and
3180         for constants.
3181
3182         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
3183
3184 2005-04-18  Devang Patel  <dpatel@apple.com>
3185
3186         * config/rs6000/atlivec.md (mulv4si3): New pattern.
3187         
3188 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
3189
3190         PR tree-optimization/20922
3191         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
3192         Fold X + c >= X and fold X - c <= X to true.
3193
3194 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
3195
3196         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
3197         unsigned int.
3198         (emergency_labeled_state_free): Likewise.
3199
3200 2005-04-18  Nick Clifton  <nickc@redhat.com>
3201
3202         * config/h8300/h8300.md (jump): Remove prescan parameter from
3203         calls to final_scan_insn.
3204
3205         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
3206         parameter from calls to final_scan_insn.
3207
3208         * config.gcc (m68hc12): Use the m68hc11.opt file for target
3209         specific options.
3210         (v850e, v850e1): Use the v850.opt file for target specific
3211         options.
3212
3213 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
3214
3215         PR tree-optimization/21001
3216         * tree-optimize.c (init_tree_optimization_passes): Move the
3217         first pass_forwprop immediately before pass_vrp.
3218
3219 2005-04-17  Ian Lance Taylor  <ian@airs.com>
3220
3221         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
3222         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
3223         from enum tree_code op to bool is_sizeof.
3224         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
3225         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
3226         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
3227         case.
3228         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
3229         cases.
3230         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
3231         ALIGNOF_EXPR cases.
3232
3233 2005-04-17  Ian Lance Taylor  <ian@airs.com>
3234
3235         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
3236
3237 2005-04-17  Richard Henderson  <rth@redhat.com>
3238
3239         * config/alpha/alpha.c (va_list_skip_additions): Only define if
3240         TARGET_ABI_OSF.
3241         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
3242         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
3243         of indirection through ssa names while looking for the gpr counter
3244         field.
3245         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
3246         saved va_list_gpr_size and va_list_fpr_size.
3247
3248 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
3249
3250         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
3251         both pointers or both integers.
3252
3253         * tree-vrp.c (maybe_add_assert_expr): Don't assert
3254         ASSERT_EXPRs for single-use variable.
3255
3256         * tree-into-ssa.c: Fix a comment typo.
3257
3258 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
3259
3260         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
3261         -mipsN before forcing a default of -mips2.
3262
3263 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
3264
3265         * predict.h (IS_TAKEN): Remove.
3266         * rtl.h (NOTE_PREDICTION): Likewise.
3267
3268         * modulo-sched.c (CFG_HOOKS): Remove.
3269
3270         * c-parser.c (N_C_TTYPES): Remove.
3271
3272         * tree-flow-inline.h (get_stmt_operands): Remove.
3273         * lambda-code.c, tree-ssa-loop-unswitch.c,
3274         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
3275         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
3276         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
3277         calls to get_stmt_operands.
3278         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
3279
3280 2005-04-17  Richard Henderson  <rth@redhat.com>
3281
3282         PR target/20375
3283         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
3284         of CUMULATIVE_ARGS past the last named argument.
3285         (alpha_va_start): Expect pretend_args_size only if strictly less than
3286         6 named arguments.
3287
3288 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
3289
3290         PR middle-end/21024
3291         * builtins.c (expand_builtin_strcat): Convert the result of
3292         strlen to the right type.
3293         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
3294         avoid creating type mismatches.
3295         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
3296         type mismatches.
3297
3298         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
3299
3300 2005-04-16  Richard Henderson  <rth@redhat.com>
3301
3302         PR target/21051
3303         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
3304         Use the mode of boolean_type_node when the user doesn't provide one.
3305         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
3306
3307 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
3308
3309         PR target/20126
3310         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
3311         (const)).
3312
3313         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
3314         comment.
3315
3316 2005-04-16  Roger Sayle  <roger@eyesopen.com>
3317             Steven Bosscher  <stevenb@suse.de>
3318
3319         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
3320         (fold_unary_to_constant): Likewise.
3321
3322 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
3323
3324         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
3325         PROP_ASM_SCAN.
3326
3327 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
3328
3329         * doc/install.texi (Specific): Avoid using asterisks in @anchor
3330         names related to target triplets.
3331         Remove i?86-*-esix from platform directory.
3332         Remove powerpc-*-eabiaix from platform directory.
3333
3334 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
3335
3336         PR middle-end/20491
3337         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
3338         falling through from SUBREG case to REG.
3339
3340 2005-04-15  Roger Sayle  <roger@eyesopen.com>
3341
3342         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
3343         (fold_binary): Update comment mentioning fold_relational_hi_lo.
3344         (fold_binary_to_constant): Simplify using fold_binary.
3345         (fold_unary_to_constant): Likewise, simplify using fold_unary.
3346
3347 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3348
3349         * gthr-posix.c (pthread_cancel): Define.
3350         (pthread_mutexattr_init): Likewise.
3351         (pthread_mutexattr_settype): Likewise.
3352         (pthread_mutexattr_destroy): Likewise.
3353
3354 2005-04-15  David S. Miller  <davem@davemloft.net>
3355
3356         PR target/20673
3357         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
3358
3359 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3360
3361         PR tree-optimization/21031
3362         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
3363         (forward_propagate_into_cond_1): Call it.  Forward propagate
3364         integer-integer casts into COND_EXPRs.
3365
3366 2005-04-15  Dave Korn  <dave.korn@artimi.com>
3367
3368         * gcc.c (default_compilers): Clarify obscure error message when
3369         reading from standard input.
3370
3371 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3372
3373         * basic-block.h (PROP_EQUAL_NOTES): Remove.
3374         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
3375
3376         * tree-ssa-alias.c (init_alias_info): Remove a call to
3377         get_stmt_operands.
3378
3379 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
3380
3381         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
3382         of non-virtual PHI nodes like we use to.
3383
3384 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
3385
3386         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
3387         (attr_copy_rtx): Do not use it.
3388
3389 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
3390
3391         * doc/tree-ssa.texi: Grammer/abbreviation updates.
3392
3393 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
3394
3395         * tree-vect-transform.c (vectorizable_store): Mark necessary
3396         objects in the vectorized store needing renaming.  Update the
3397         SSA graph for V_MAY_DEF operands in the original store.
3398
3399 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
3400
3401         * tree-ssa-pre.c (compute_avail): It's okay to have
3402         TREE_INVARIANT's here, and value number the resulting expressions.
3403         (create_expression_by_pieces): Make sure operands that were
3404         min_invariant when we started, stay that way.
3405
3406 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
3407
3408         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
3409
3410 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3411
3412         PR tree-optimization/20936.
3413         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
3414
3415 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3416
3417         * doc/invoke.texi: Fix typos.
3418         * doc/md.texi: Likewise.
3419         * doc/rtl.texi: Likewise.
3420         * doc/sourcebuild.texi: Likewise.
3421         * doc/tm.texi: Likewise.
3422
3423 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
3424
3425         PR tree-optimization/21004
3426         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
3427         and floorl in c99 mode only.
3428         * builtins.c (expand_builtin_int_roundingfn): Assert that
3429         fallback_fndecl is not NULL_TREE.
3430
3431 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3432
3433         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
3434         * basic-block.h: Update the prototype for
3435         purge_all_dead_edges.
3436         * cfgexpand.c (tree_expand_cfg): Update a call to
3437         purge_all_dead_edges.
3438         * combine.c (combine_instructions): Likewise.
3439         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
3440         rest_of_handle_cse2, rest_of_handle_gcse,
3441         rest_of_handle_postreload): likewise.
3442
3443 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
3444
3445         PR middle-end/20739
3446         * gimplify.c (gimplify_addr_expr): Compensate for removal of
3447         e.g. cv-qualification conversions.
3448
3449 2005-04-14  Mike Stump  <mrs@apple.com>
3450
3451         * config/darwin-c.c (framework_construct_pathname): We must
3452         find all headers of a framework in the first instance of it
3453         found in the seach path.
3454
3455 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
3456
3457         PR tree-optimization/21021
3458         * tree-vrp.c (compare_values): Work around a bug in the front
3459         end that produces a comparison of mismatched types.
3460
3461 2004-04-14  Richard Henderson  <rth@redhat.com>
3462
3463         * config/ia64/ia64.h (enum fetchop_code): Remove.
3464         (enum ia64_builtins): Move ...
3465         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
3466         members except BSP and FLUSHRS.
3467         (ia64_init_builtins): Remove __sync builtins.
3468         (ia64_expand_builtin): Likewise.
3469         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
3470         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
3471         (ia64_expand_lock_release): Remove.
3472         * config/ia64/ia64.md (mf): Move to sync.md.
3473         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
3474         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
3475         * config/ia64/sync.md: New file.
3476         (memory_barrier): Rename from mf.
3477         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
3478         (cmpxchg_acq_<I48MODE>): Likewise.
3479         (sync_lock_test_and_set<I48MODE>): Likewise.
3480
3481         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
3482         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
3483
3484 2004-04-14  Richard Henderson  <rth@redhat.com>
3485
3486         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
3487         (ix86_compare_emitted): New.
3488         (ix86_expand_compare): Use ix86_compare_emitted if set.
3489         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
3490         and ix86_compare_op0 are set.
3491         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
3492         (TARGET_CMPXCHG, TARGET_XADD): New.
3493         (ix86_compare_emitted): Declare.
3494         * config/i386/i386.md: Include sync.md
3495         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
3496         (UNSPECV_XCHG, UNSPECV_LOCK): New.
3497         * config/i386/sync.md: New file.
3498
3499 2004-04-14  Richard Henderson  <rth@redhat.com>
3500
3501         PR middle-end/14311
3502         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
3503         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
3504         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
3505         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
3506         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
3507         BT_FN_I8_VPTR_I8_I8): New.
3508         * builtins.def (DEF_SYNC_BUILTIN): New.
3509         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
3510         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
3511         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
3512         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
3513         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
3514         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
3515         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
3516         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
3517         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
3518         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
3519         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
3520         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
3521         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
3522         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
3523         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
3524         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
3525         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
3526         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
3527         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
3528         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
3529         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
3530         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
3531         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
3532         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
3533         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
3534         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
3535         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
3536         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
3537         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
3538         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
3539         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
3540         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
3541         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
3542         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
3543         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
3544         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
3545         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
3546         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
3547         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
3548         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
3549         BUILT_IN_SYNCHRONIZE: New.
3550         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
3551         as a function.  Accept __sync_ as a prefix as well.
3552         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3553         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
3554         expand_builtin_lock_release): New.
3555         (expand_builtin): Call them.
3556         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
3557         neither BOTH_P nor FALLBACK_P are defined.
3558         (builtin_type_for_size): New.
3559         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
3560         (resolve_overloaded_builtin): New.
3561         * c-common.h (resolve_overloaded_builtin): Declare.
3562         (builtin_type_for_size): Declare.
3563         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
3564         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
3565         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
3566         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
3567         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
3568         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
3569         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
3570         sync_compare_and_swap_cc, sync_lock_test_and_set,
3571         sync_lock_release): New.
3572         * optabs.h: Declare them.
3573         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
3574         expand_sync_operation, expand_sync_fetch_operation,
3575         expand_sync_lock_test_and_set): Declare.
3576         * genopinit.c (optabs): Add sync optabs.
3577         * optabs.c (init_optabs): Initialize sync optabs.
3578         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
3579         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
3580         expand_sync_operation, expand_sync_fetch_operation,
3581         expand_sync_lock_test_and_set): New.
3582         * doc/extend.texi (Atomic Builtins): New section
3583         * doc/md.texi (Standard Names): Add sync patterns.
3584
3585 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
3586
3587         * tree-eh.c (lower_try_finally_copy): Generate new code in
3588         response to goto_queue entries as if the queue was sorted by
3589         index, not pointers.
3590         (lower_try_finally_switch): Likewise.
3591
3592 2005-04-14  Richard Henderson  <rth@redhat.com>
3593
3594         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
3595         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
3596         register.
3597         (ix86_expand_fp_movcc): Update to match.
3598         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
3599         * config/i386/i386-protos.h: Update.
3600         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
3601         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
3602
3603 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
3604
3605         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
3606         refer to 4.0.
3607
3608 2005-04-14  Julian Brown  <julian@codesourcery.com>
3609
3610         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
3611         link failures on ppc64 Linux.
3612
3613 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3614
3615         * config.gcc: Set cpu_type for s390.
3616
3617 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
3618
3619         Fix PR tree-optimization/20963
3620         * tree-ssa-pre.c (compute_avail): Remove special case for
3621         TREE_INVARIANT.
3622         (create_expression_by_pieces): Add value numbers for forced out
3623         statements.
3624
3625 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
3626
3627         * config/cris/cris.md: Replace references to (reg:SI 16) with
3628         (reg:SI CRIS_SRP_REGNUM).
3629
3630 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
3631
3632         PR tree-optimization/20657
3633         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
3634         create an appropriate range from it.
3635
3636 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
3637
3638         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
3639         <UNSPEC_FIST_CEIL> case.
3640
3641         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
3642         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
3643         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
3644         to implement lfloor and llfloor built-ins as x87 intrinsic function.
3645         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
3646         (lfloor<mode>2): New expanders.
3647         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
3648         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
3649         to implement lceil and llceil built-ins as x87 intrinsic function.
3650         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
3651         (lceil<mode>2): New expanders.
3652
3653 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
3654
3655         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
3656         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
3657
3658 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
3659
3660         PR target/20927
3661         * config/s390/s390-modes.def: Define TFmode.
3662
3663 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
3664
3665         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
3666         (JUMP_TABLES_IN_TEXT_SECTION): Define.
3667         * config/mips/mips.c (mips16_insn_length): Remove reference to
3668         JUMP_TABLES_IN_TEXT_SECTION.
3669
3670 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
3671
3672         * simplify-rtx.c (simplify_binary_operation_1): Return
3673         scalar or vector of constant 0, depending on the xor's
3674         mode.
3675
3676 2005-04-13  Dale Johannesen  <dalej@apple.com>
3677
3678         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
3679         (objc-act.o):  Ditto.
3680         * objc/objc-act.c (objc_gimplify_expr):  New.
3681         (objc_get_callee_fndecl):  New.
3682         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
3683         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
3684         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
3685
3686 2005-04-13  Devang Patel  <dpatel@apple.com>
3687
3688         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
3689         temp variables.
3690
3691 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
3692
3693         CRIS prologue as RTL.
3694         * config/cris/cris-protos.h (cris_emit_movem_store)
3695         (cris_expand_prologue): Prototype.
3696         * config/cris/cris.c (struct machine_function): New member
3697         stdarg_regs.
3698         (cfa_label_num, cris_target_asm_function_prologue): Remove.
3699         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
3700         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
3701         (cris_load_multiple_op, cris_return_address_on_stack)
3702         (cris_return_address_on_stack_for_return): ISO-Cify.
3703         (cris_store_multiple_op): New predicate function.
3704         (cris_expand_prologue, cris_emit_movem_store): New functions.
3705         (cris_print_operand) <case 'O'>: Handle modifications other than
3706         post-increment.
3707         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
3708         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
3709         (cris_gen_movem_load): Rearrange slightly to make local variable
3710         src a parameter, removing osrc.
3711         (cris_setup_incoming_varargs): Set machine_function member
3712         stdarg_regs to correspond to the number of registers that need to
3713         be saved.
3714         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
3715         CRIS_UNSPEC_GOT.
3716         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
3717         cris_general_operand_or_gotless_symbol accept UNSPEC.
3718         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
3719         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
3720         ("*cris_store_multiple"): New pattern.  Tweak common comment above
3721         this and "*cris_load_multiple".
3722         ("prologue"): New define_expand.
3723
3724         * config/cris/cris.md ("epilogue"): Conditionalize on
3725         TARGET_PROLOGUE_EPILOGUE.
3726
3727 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
3728
3729         PR target/20924
3730         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
3731         fpsr 0 instead of fpsr 1.
3732         (divsf3_internal_thr): Ditto.
3733         (divdf3_internal_lat): Ditto.
3734         (divdf3_internal_thr): Ditto.
3735         (divxf3_internal_lat): Ditto.
3736         (divxf3_internal_thr): Ditto.
3737
3738 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
3739
3740         PR tree-optimization/20913
3741         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
3742
3743         PR tree-optimization/20702
3744         * tree-vrp.c (maybe_add_assert_expr): Recurse into
3745         dominator children that haven't been walked into.
3746
3747 2005-04-13  Julian Brown  <julian@codesourcery.com>
3748
3749         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
3750         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
3751         is true.
3752
3753 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
3754
3755         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
3756         config/i386/sse.md: Fix comment typos.
3757
3758         * genattrtab.c (NULL_ATTR): Remove.
3759         * ifcvt.c (NULL_EDGE): Likewise.
3760
3761         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
3762
3763         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
3764         NOTE_PREDICT): Remove.
3765
3766 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3767
3768         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
3769         * configure: Regenerate.
3770         * config.in: Likewise.
3771         * system.h: Declare vsnprintf if not already declared.
3772
3773 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3774
3775         * optc-gen.awk: Handle stand-alone Mask records.
3776         * opth-gen.awk: Likewise.
3777         * doc/options.texi (Option file format): Document them.
3778         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
3779         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
3780         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
3781         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
3782         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
3783         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
3784         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
3785         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
3786         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
3787         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
3788         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
3789         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
3790         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
3791         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
3792         TARGET_LONG_DOUBLE_128): Likewise.
3793         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
3794         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
3795         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
3796         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
3797         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
3798         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
3799         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
3800         * config/sparc/sparc.c (fpu_option_set): New global.
3801         (sparc_handle_option): New function.
3802         (sparc_override_options): Test fpu_option_set.
3803         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
3804         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
3805         * config/sparc/sparc.opt: New file.
3806         * config/sparc/little-endian.opt: Likewise.
3807         * config/sparc/long-double-switch.opt: Likewise.
3808
3809 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
3810
3811         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
3812         (bfin_handle_options): Set it if -mshared-library-id= is seen.
3813         * config/bfin/bfin.opt (mshared-library-id=): Lose
3814         Var(bfin_lib_id_given).
3815
3816 2005-04-13  Matt Thomas  <matt@3am-software.com>
3817
3818         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
3819         defining.
3820
3821 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
3822
3823         * rtl.h (CLEAR_RTX_FLAGS): Remove.
3824
3825         * cgraphunit.c (INSNS_PER_CALL): Remove.
3826
3827         * tree-ssa-forwprop.c (vars,
3828         record_single_argument_cond_exprs,
3829         substitute_single_use_vars): Remove.
3830         (forward_propagate_into_cond_1, forward_propagate_into_cond):
3831         New.
3832         (tree_ssa_forward_propagate_single_use_vars): Call
3833         forward_propagate_into_cond for each COND_EXPR.
3834
3835         * tree-inline.c (INSNS_PER_STMT): Remove.
3836
3837 2005-04-12  Richard Henderson  <rth@redhat.com>
3838
3839         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
3840         (ix86_expand_sse_fp_minmax): ... from ...
3841         (ix86_expand_fp_movcc): ... here.
3842         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
3843         * config/i386/i386-protos.h: Update.
3844         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
3845         (sse_setccsf, sse_setccdf): Allow before reload.
3846         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
3847         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
3848         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
3849         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
3850         (anddf3, nanddf3, iordf3, xordf3): New.
3851
3852 2005-04-12  Jeff Law  <law@redhat.com>
3853
3854         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
3855         (tree-ssa-uncprop.o): Add dependencies.
3856         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
3857         * tree-flow.h (remove_useless_stmts): Remove prototype.
3858         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
3859         remove_useless_stmts.
3860         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
3861         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
3862         * tree-pass.h (pass_uncprop): Declare.
3863         * tree-ssa-uncprop.c: New file.
3864
3865 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
3866
3867         PR target/20670
3868         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
3869
3870 2005-04-12  Caroline Tice  <ctice@apple.com>
3871
3872         Temporary fix for partitioning problems.
3873         * passes.c (rest_of_handle_final): Remove code that
3874         frees unlikely_text_section_name,
3875         * varasm.c (assemble_start_function): Test for partitioning
3876         flag before writing out section labels.
3877         (assemble_end_function): Test for partitioning flag before
3878         writing out section labels.
3879
3880 2005-04-12  Steven Bosscher  <stevenb@suse.de>
3881             Stuart Hastings <stuart@apple.com>
3882             Jan Hubicka  <jh@suse.cz>
3883
3884         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
3885         references to gt-tree-cfg.h.
3886         * basic-block.h (struct basic_block_def): Don't skip rbi
3887         for garbage collection.
3888         (struct reorder_block_def): Make GTY-able.
3889         (struct control_flow_graph): New structure.
3890         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
3891         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
3892         but instead defines to the control_flow_graph for cfun.
3893         (label_to_block_map): New define, points to the label map of
3894         the control_flow_graph for cfun.
3895         (n_edges_for_function, n_basic_blocks_for_function,
3896         last_basic_block_for_function, basic_block_info_for_function,
3897         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
3898         basic_block_info_for_function, label_to_block_map_for_function):
3899         Counterparts for the above, taking a struct function as an extra
3900         argument.
3901         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
3902         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
3903         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
3904         (alloc_rbi_pool, free_rbi_pool): Remove.
3905         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
3906         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
3907         here...
3908         (cfg_layout_finalize) ... and don't free it here.
3909         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
3910         garbage collected.
3911         * flow.c (free_basic_block_vars): Set label_to_block_map and
3912         n_edges to zero too.
3913         * function.h (struct function): Add cfg field.
3914         * function.c (allocate_struct_function): Allocate the cfg.
3915         * tree-cfg.c (label_to_block_map): Remove.
3916         (build_tree_cfg): Don't allocate the rbi pool here...
3917         (delete_tree_cfg_annotations): ...and don't free it here.
3918         Also don't nullify label_to_block_map for cfun.
3919
3920 2005-04-12  Caroline Tice  <ctice@apple.com>
3921
3922         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
3923         Revert my patch from April 9.
3924         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
3925         (reorder_basic_blocks): Revert my patch from April 9.
3926         (insert_section_boundary_note): Revert my patch from April 9.
3927         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
3928         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
3929         (COLD_END_LABEL):  Revert my patch from April 9.
3930         (cold_text_section_label):  Revert my patch from April 9.
3931         (cold_end_label): Revert my patch from April 9.
3932         (dwarf2out_switch_text_section): Revert my patch from April 9.
3933         (output_aranges): Revert my patch from April 9.
3934         (output_ranges):  Revert my patch from April 9.
3935         (output_line_info): Revert my patch from April 9.
3936         (add_location_or_const_value_attribute):  Revert my patch from April 9.
3937         (dwarf2out_var_location): Revert my patch from April 9.
3938         (dwarf2out_init):  Revert my patch from April 9.
3939         (dwarf2out_finish): Revert my patch from April 9.
3940         * function.h (struct function): Revert my patch from April 9.
3941         * opts.c (decode_options): Revert my patch from April 9.
3942         * output.h (unlikely_section_label, hot_section_label,
3943         hot_section_end_label, cold_section_end_label,
3944         unlikely_text_section_name): Revert my patch from April 9.
3945         * passes.c (rest_of_handle_final): Revert my patch from April 9.
3946         * varasm.c (unlikely_section_label, hot_section_label,
3947         hot_section_end_label, cold_section_end_label,
3948         unlikely_text_section_name): Revert my patch from April 9.
3949         (initialize_cold_section_name): Revert my patch from April 9.
3950         (unlikely_text_section): Revert my patch from April 9.
3951         (in_unlikely_text_section): Revert my patch from April 9.
3952         (named_section): Revert my patch from April 9.
3953         (function_section): Revert my patch from April 9.
3954         (current_function_section): Revert my patch from April 9.
3955         (assemble_start_function): Revert my patch from April 9.
3956         (assemble_end_function): Revert my patch from April 9.
3957         (default_section_type_flags_1): Revert my patch from April 9.
3958
3959 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
3960
3961         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
3962         * config/sparc/sparc.md (untyped_call): Save the registers manually.
3963
3964         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
3965
3966 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
3967
3968         PR middle-end/20917
3969         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
3970         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
3971
3972 2004-04-12  Richard Henderson  <rth@redhat.com>
3973
3974         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
3975         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
3976         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
3977         (UNSPEC_*, UNSPECV_*): Renumber.
3978
3979 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
3980
3981         PR mudflap/19266
3982         From Richard Henderson <rth@redhat.com>:
3983         * tree-mudflap.c (mf_build_check_statement_for): Correct block
3984         splitting logic.
3985
3986 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
3987
3988         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
3989
3990 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
3991
3992         * config/bfin/bfin.c (bfin_library_id_string): Remove.
3993         (bfin_library_id): New variable.
3994         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
3995         instead of bfin_library_id_string.
3996         (bfin_handle_option): New function.
3997         (override_options): Remove most code to deal with shared library IDs,
3998         just check they aren't used without -mid-shared-library.
3999         (TARGET_HANDLE_OPTION): Define.
4000         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
4001         * config/bfin/bfin.opt (mshared-library-id=): New.
4002
4003 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
4004
4005         * tree-vect-transform.c: Fix comment typos.
4006
4007 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
4008
4009         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
4010         split critical edges when not possible/profitable.
4011
4012 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
4013
4014         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
4015         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
4016         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
4017         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
4018         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
4019         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
4020         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
4021         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
4022         MASK_NO_BITFIELD.
4023         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
4024         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4025         * config/ns32k/ns32k.opt: New file.
4026
4027 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
4028
4029         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
4030         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
4031         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
4032         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
4033         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
4034         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
4035         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
4036         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
4037         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
4038         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
4039         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
4040         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
4041         (MASK_COLDFIRE): Formatting fixes.
4042         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
4043         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
4044         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
4045         "_current_shared_library_a5_offset_".
4046         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4047         (MASK_ALL_CPU_BITS): New macro.
4048         (m68k_handle_option): New function.
4049         (override_options): Remove handling of m68k_library_id_string.
4050         * config/m68k/m68k.opt: New file.
4051         * config/m68k/ieee.opt: New file.
4052
4053 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
4054
4055         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
4056         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
4057         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
4058         (TARGET_CXX): Adjust accordingly.
4059         * target.h (struct gcc_target): Remove epxort_class_data.  Add
4060         determine_class_data_visibility and class_data_always_comdat.
4061         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
4062         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
4063         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
4064         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
4065         (arm_cxx_determine_class_data_visibility): New.
4066         (arm_cxx_class_data_always_comdat): Likewise.
4067         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
4068         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
4069         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
4070         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
4071         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
4072         Define.
4073
4074 2005-04-11  Devang Patel  <dpatel@apple.com>
4075
4076         * tree-data-ref.c (build_classic_dist_vector,
4077         compute_subscript_distance): Make externally visible.
4078         * tree-data-ref.h (build_classic_dist_vector,
4079         compute_subscript_distance): Same.
4080         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
4081         Check distance vector against vectorization factor.
4082         (vect_analyze_loop): Determine vectorizaion factor before
4083         analyzing data dependences.
4084         * tree-vectorizer.c (loops_num): Make it externally visible and
4085         rename ...
4086         * tree-vectorizer.c (vect_loops_num): ... new name.
4087         * tree-vectorizer.h  (vect_loops_num): New.
4088
4089 2005-04-11  Devang Patel  <dpatel@apple.com>
4090
4091         * tree-vect-analyze.c (vect_analyze_operations): Check
4092         vectorizable codition.
4093         * tree-vect-transform.c (vect_is_simple_cond): New function.
4094         (vectorizable_condition): New function.
4095         (vect_transform_stmt): Handle condition_vec_info_type.
4096         * tree-vectorizer.h (enum stmt_vec_info_type): Add
4097         condition_vec_info_type.
4098         (vectorizable_condition): New.
4099
4100 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
4101
4102         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
4103         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
4104         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
4105
4106         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
4107         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
4108
4109         * dwarf2out.c (output_line_info): Don't try to dereference
4110         a NULL current_function_decl.
4111
4112         * config/t-slibgcc-darwin: Don't put shared libraries in
4113         directories other than $(slibdir).
4114         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
4115         OS uses for it.
4116
4117 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
4118
4119         PR tree-optimization/20933
4120         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
4121         logic to reject aliases between read-only and writable
4122         variables ...
4123         (may_alias_p): ... here.
4124         (get_tmt_for): Do not associate read-only tags to pointers
4125         whose pointed-to type is not read-only.
4126         * tree-ssa.c (verify_ssa): Check that memory stores have at
4127         least one V_MAY_DEF or V_MUST_DEF.
4128
4129 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4130
4131         PR/17092
4132         * configure.ac (gcc_UNLOCKED_FUNCS): New.
4133         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
4134         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
4135         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
4136         _unlocked function.
4137         (fwrite_unlocked): Fix prototype.
4138
4139         * configure, config.in: Regenerate.
4140
4141 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
4142
4143         * tree-ssa-loop-im.c: Include real.h.
4144         (determine_invariantness_stmt): If real division divisor is
4145         invariant and flag_unsafe_math_optimizations enabled, generate
4146         invariant reciprocal for hoisting.
4147         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
4148
4149 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
4150
4151         Fix PR tree-optimization/20926
4152
4153         * tree-ssa-alias.c (add_type_alias): Handle subvars.
4154
4155 2005-04-11  Devang Patel  <dpatel@apple.com>
4156
4157         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
4158         operand ordering.
4159
4160 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
4161
4162         * fold-const.c (fold_binary_op_with_conditional_arg):
4163         use fold_buildN instead of "fold (buildN" in some
4164         non obvious places.
4165         (fold_unary): Likewise.
4166         (fold_binary): Likewise.
4167
4168 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
4169
4170         Fix PR tree-optimization/20612
4171         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
4172         handling
4173         (perfect_nestify): preheaderbb is *not* part of loop of the
4174         old destination.
4175
4176 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
4177
4178         * tree-ssa-alias.c (may_alias_p): If the variable
4179         is a global variable and the pointer is parameter
4180         and -fargument-noalias-global is used, then
4181         the pointer cannot alias the variable.
4182
4183 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
4184
4185         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
4186         * config/sparc/sparc.h: Likewise.
4187         * config/sparc/sparc.md: Likewise.
4188
4189 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
4190
4191         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
4192
4193         * tree-vrp.c: Fix a comment typo.
4194
4195 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
4196
4197         PR tree-optimization/20920
4198         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
4199         SSA_NAME flows through an abnormal edge.
4200         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
4201         through abnormal edges.
4202         (maybe_add_assert_expr): Likewise.
4203
4204 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
4205
4206         * config/s390/s390.h (s390_tune_string, s390_arch_string)
4207         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
4208         (s390_stack_size_string, s390_stack_guard_string, target_flags)
4209         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
4210         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
4211         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
4212         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
4213         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
4214         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
4215         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
4216         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
4217         (TARGET_HANDLE_OPTION): Likewise.
4218         (s390_tune): Initialize to PROCESSOR_max.
4219         (s390_arch_string): Make static.
4220         (s390_tune_string, s390_warn_framesize_string): Delete.
4221         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
4222         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
4223         (s390_handle_arch_option, s390_handle_option): New functions.
4224         (override_options): Remove parsing of option strings.
4225         * config/s390/s390.opt: New file.
4226
4227 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
4228
4229         * tree-complex.c (expand_vector_operations): Call
4230         update_stmt_if_modified.
4231
4232 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
4233
4234         * tree-vect-analyze (vect_determine_vectorization_factor):
4235         Do not use GET_MODE_NUNITS.
4236         * tree-vect-transform.c (vect_get_vec_def_for_operand,
4237         (vectorizable_load, vect_transform_loop): Likewise.
4238
4239 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
4240
4241         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
4242         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
4243         * optabs.h (enum optab_index): Add new OTI_lceil.
4244         (lceil_optab): Define corresponding macro.
4245         * optabs.c (init_optabs): Initialize lceil_optab.
4246         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
4247         and lceildi2 patterns.
4248         * builtins.c (expand_builtin_int_roundingfn): Handle
4249         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
4250         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
4251         BUILT_IN_LLCEIL{,F,L}.
4252         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
4253         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
4254         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
4255         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
4256         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
4257         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
4258         into lceil built-in function and (long long int)ceil{,f,l} into
4259         llceil built-in function.
4260         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
4261         BUILT_IN_LLCEIL.
4262
4263 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4264
4265         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
4266         zero.
4267
4268 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
4269
4270         * config/arm/arm.c: Fix a comment typo.
4271         * doc/tree-ssa.texi: Fix a typo.
4272
4273 2005-04-10  Steven Bosscher  <stevenb@suse.de>
4274
4275         * cselib.c (clear_table): Rename to cselib_clear_table.
4276         * cselib.h (cselib_clear_table): Add prototype.
4277         * gcse.c (gcse_main): Make 'f' argument unused.
4278         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
4279         of each basic block instead.
4280         (compute_sets, compute_hash_table_work): Likewise.
4281         (constprop_register): Change int 'alter_jumps' argument to bool.
4282         (do_local_cprop): Likewise.
4283         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
4284         the insn chain.  Explicitly clear the cselib tables after finishing
4285         one basic block.  Make sure there are no unterminated libcall blocks.
4286         Update compute_sets call.
4287         (cprop): Walk basic blocks instead of the insn chain.
4288         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
4289         Likewise.
4290         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
4291         one_cprop_pass calls.
4292
4293 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
4294
4295         * combine.c (combine_simplify_rtx): Remove a transformation that
4296         relies on an invalid assumption about rtl sign-extension semantics.
4297
4298 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
4299
4300         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
4301         to build_int_cst_wide.
4302
4303 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
4304
4305         PR target/20126
4306         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
4307         set the original address pseudo to the correct value before the
4308         original insn, if possible, and leave the insn alone, otherwise
4309         create a new pseudo, set it and replace it in the insn.
4310         * recog.c (validate_change_maybe_volatile): New.
4311         * recog.h (validate_change_maybe_volatile): Declare.
4312
4313 2005-04-09  Caroline Tice  <ctice@apple.com>
4314
4315         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
4316         Remove targetm.have_named_sections test.
4317         (fix_edges_for_rarely_executed_code): Likewise.
4318         (insert_section_boundary_note): Likewise.
4319         (reorder_basic_blocks): Check partitioning flag before calling
4320         verify_hot_cold_block_grouping.
4321         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
4322         the function struct rather than global variables.
4323         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
4324         (COLD_END_LABEL): Likewise
4325         (cold_text_section_label): New static global variable.
4326         (cold_end_label): Likewise.
4327         (dwarf2out_switch_text_section): Get hot/cold section labels from
4328         the function struct rather than global variables.
4329         (output_aranges): Use cold_text_section_label and cold_end_label;
4330         check partitioning flag before putting out delta.
4331         (output_ranges): Remove incorrect code attempting to use
4332         hot/cold labels.
4333         (output_line_info): Get cold section label from function struct.
4334         (add_location_or_const_value_attribute): Likewise.
4335         (get_subprogram_die): Get hot/cold section labels from function struct.
4336         (dwarf2out_var_location): Likewise.
4337         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
4338         write out cold_text_section_label if partition flag is set.
4339         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
4340         * function.h (struct function): Add new fields to point to hot/cold
4341         section labels: hot_section_label, cold_section_label,
4342         hot_section_end_label and cold_section_end_label; also add new field
4343         for cold text section name, unlikely_text_section_name.
4344         * opts.c (decode_options): Turn off partitioning flag if
4345         !targetm.have_named_sections.
4346         * output.h (hot_section_label): Remove.
4347         (hot_section_end_label): Remove.
4348         (cold_section_end_label): Remove.
4349         (unlikely_section_label): Remove.
4350         (unlikely_text_section_name): Remove.
4351         * passes.c (rest_of_handle_final):  Remove code that frees
4352         unlikely_text_section_name.
4353         * varasm.c (unlikely_section_label): Remove.
4354         (hot_section_label): Remove.
4355         (hot_section_end_label): Remove.
4356         (cold_section_end_label): Remove.
4357         (unlikely_text_section_name):  Remove.
4358         (initialize_cold_section_name): Modify to call
4359         targetm.strip_name_encoding; to store cold section name in current
4360         function struct, if it exists; and to only use the decl_section_name
4361         if flag_named_sections is true.
4362         (unlikely_text_section): Modify to get section name out of current
4363         function struct, if there is one; otherwise build it from
4364         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
4365         (in_unlikely_text_section): Likewise.
4366         (named_section): Modify to get/put cold section name in current function
4367         struct, if there is one.
4368         (function_section):  Change 'bool unlikely' to 'int reloc'; check
4369         targetm.have_named_sections before calling named_section.
4370         (current_function_section): Likewise.
4371         (assemble_start_function): Modify to get/put unlikely_text_section_name
4372         in current function struct; modify to get hot/cold section labels
4373         from function struct; initialize labels using
4374         ASM_GENERATE_INTERNAL_LABEL;
4375         test partitioning flag before writing out hot section label.
4376         (assemble_end_function): Test partitioning flag before writing out
4377         hot/cold section labels.
4378         (default_section_type_flags_1):  Modify to use array instead of
4379          char* for unlikely_text_section_name; set flags correctly for
4380          cold text section if there is not a current function decl.
4381
4382 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
4383
4384         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
4385         and TI_VA_LIST_FPR_COUNTER_FIELD.
4386         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
4387         * tree-pass.h (pass_stdarg): Add.
4388         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
4389         * tree-stdarg.c: New file.
4390         * tree-stdarg.h: New file.
4391         * Makefile.in (OBJS-common): Add tree-stdarg.o.
4392         (tree-stdarg.o): Add dependencies.
4393         * function.h (struct function): Add va_list_gpr_size and
4394         va_list_fpr_size fields.
4395         * function.c (allocate_struct_function): Initialize them.
4396         * target.h (struct gcc_target): Add stdarg_optimize_hook.
4397         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
4398         (TARGET_INITIALIZER): Add it.
4399
4400         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
4401         va_list_{g,f}pr_counter_field.
4402         (ix86_setup_incoming_varargs): Don't do anything if reg_save
4403         area will not be used.  Only save registers that tree-stdarg.c
4404         detected they need saving.
4405         (ix86_va_start): Don't set up fields that won't be used.
4406
4407         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
4408         va_list_{g,f}pr_counter_field.
4409         (setup_incoming_varargs): Don't do anything if reg_save
4410         area will not be used.  Only save registers that tree-stdarg.c
4411         detected they need saving.
4412         (rs6000_va_start): Don't set up fields that won't be used.
4413
4414         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
4415         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
4416         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
4417         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
4418
4419 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
4420
4421         PR target/20795
4422         * config/i386/i386.c (construct_container): Pass empty aligned
4423         struct, union or class in memory.
4424
4425 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
4426
4427         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
4428         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
4429         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
4430         config/rs6000/predicates.md: Fix comment typos.
4431
4432         * sched-int.h (haifa_insn_data): Remove blockage and units.
4433         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
4434         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
4435         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
4436
4437 2005-04-09  Jan Hubicka  <jh@suse.cz>
4438             Steven Bosscher  <stevenb@suse.de>
4439
4440         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
4441         * cfgloop.c (get_loop_exit_edges): Likewise.
4442         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
4443         (unloop): Likewise.
4444         * loop-unroll.c (analyze_insns_in_loop): Likewise.
4445         * tree-cfg.c (dump_cfg_status): Likewise.
4446
4447 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
4448
4449         * config/rs6000/predicates.md (altivec_register_operand): Remove
4450         redundant match_code test.
4451         (gpc_reg_operand): Same.
4452         (cc_reg_operand): Same.
4453         (cc_reg_not_cr0_operand): Same.
4454
4455 2005-04-09  Jan Hubicka  <jh@suse.cz>
4456
4457         Forgotten hunk from my last merge patch:
4458         * final.c (output_addr_const): Do not call mark_referenced.
4459
4460 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
4461
4462         * doc/tree-ssa.texi: Add immediate use documentation.
4463
4464 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
4465
4466         * arm.c (FL_WBUF): Define.
4467         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
4468         (arm_is_6_or_7): Delete.
4469         (arm_tune_wbuf): New.
4470         (arm_override_options): Set arm_tune_wbuf.
4471         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
4472         (arm_is_6_or_7): Delete declaration.
4473         (arm_tune_wbuf): New declartion.
4474         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
4475         (model_wbuf): Derive from arm_tune_wbuf.
4476         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
4477         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
4478         (arm740t): Mark CPUs as having a write buffer.
4479
4480 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
4481
4482         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
4483         of 'const_double_operand' in operand 2 constraints.  Update enable
4484         condition.
4485
4486 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
4487
4488         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
4489         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
4490         * optabs.h (enum optab_index): Add new OTI_lfloor.
4491         (lfloor_optab): Define corresponding macro.
4492         * optabs.c (init_optabs): Initialize lfloor_optab.
4493         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
4494         and lfloordi2 patterns.
4495         * builtins.c (expand_builtin_int_roundingfn): New prototype.
4496         (expand_builtin_int_roundingfn): New function.
4497         (fold_builtin_int_roundingfn): New prototype.
4498         (fold_builtin_int_roundingfn): New function, renamed from
4499         fold_builtin_lround.
4500         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
4501         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
4502         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
4503         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
4504         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
4505         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
4506         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
4507         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
4508         into lfloor built-in function and (long long int)floor{,f,l} into
4509         llfloor built-in function.
4510         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
4511         BUILT_IN_LLFLOOR.
4512
4513 2005-04-08  Ian Lance Taylor  <ian@airs.com>
4514
4515         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
4516         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
4517         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
4518         (DO_COND, DO_BODY): Likewise.
4519         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
4520         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
4521         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
4522         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
4523         (build_continue_stmt, build_break_stmt): Don't declare.
4524         (c_do_switch_warnings): Update declaration.
4525         * c-gimplify.c (enum bc_t): Remove.
4526         (struct c_gimplify_ctx, ctxp): Remove.
4527         (push_context, pop_context): Remove static functions.
4528         (c_genericize): Don't call push_context or pop_context.
4529         (begin_bc_block, finish_bc_block): Remove static functions.
4530         (build_bc_goto): Likewise.
4531         (gimplify_c_loop): Likewise.
4532         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
4533         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
4534         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
4535         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
4536         * c-common.c (c_do_switch_warnings): Rename from
4537         c_do_switch_warnings_1.
4538         (c_do_switch_warnings) [old version]: Remove.
4539         (c_do_switch_expr_warnings): Remove.
4540         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
4541         function instead of c_do_switch_expr_warnings.
4542         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
4543         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
4544         * c-pretty-print.c (pp_c_statement): Likewise.
4545         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
4546
4547 2005-04-08  Devang Patel  <dpatel@apple.com>
4548
4549         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
4550         While selecting replacement condition pay attention to loop header.
4551
4552 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
4553
4554         Merge from tree-cleanup-branch: VRP, store CCP, store
4555             copy-prop, incremental SSA updating of FUD chains and
4556             newly exposed symbols.
4557
4558         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
4559         (OBJS-common): Add tree-vrp.o.
4560         (tree-vrp.o): New rule.
4561         * basic-block.h (nearest_common_dominator_for_set): Declare.
4562         * common.opt (ftree-store-ccp): New flag.
4563         (ftree-copy-prop): New flag.
4564         (ftree-vrp): New flag.
4565         (ftree-store-copy-prop): New flag.
4566         * dominance.c (nearest_common_dominator_for_set): New.
4567         * domwalk.c (walk_dominator_tree): Only traverse
4568         statements in blocks marked in walk_data->interesting_blocks.
4569         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
4570         * fold-const.c (fold): Handle ASSERT_EXPR.
4571         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
4572         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
4573         flag_tree_vrp at -O2.
4574         * timevar.def (TV_TREE_VRP): Define.
4575         (TV_TREE_COPY_PROP): Define.
4576         (TV_TREE_STORE_COPY_PROP): Define.
4577         (TV_TREE_SSA_INCREMENTAL): Define.
4578         (TV_TREE_STORE_CCP): Define.
4579         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
4580         to kill_redundant_phi_nodes from comment.
4581         (verify_expr): Handle ASSERT_EXPR.
4582         * tree-dfa.c (mark_new_vars_to_rename): Remove second
4583         argument.  Update all users.
4584         (mark_call_clobbered_vars_to_rename): Remove.  Update all
4585         users.
4586         * tree-flow-inline.h (unmodifiable_var_p): New.
4587         * tree-flow.h (enum value_range_type): Declare.
4588         (struct value_range_def): Declare.
4589         (value_range): Declare.
4590         (remove_all_phi_nodes_for): Remove.  Update all users.
4591         (find_phi_node_for): Declare.
4592         (add_type_alias): Declare.
4593         (count_uses_and_derefs): Declare.
4594         (kill_redundant_phi_nodes): Remove.
4595         (rewrite_into_ssa): Remove.
4596         (rewrite_def_def_chains): Remove.
4597         (update_ssa, register_new_name_mapping, create_new_def_for,
4598         need_ssa_update_p, name_registered_for_update_p,
4599         release_ssa_name_after_update_ssa, dump_repl_tbl,
4600         debug_repl_tbl, dump_names_replaced_by,
4601         debug_names_replaced_by, mark_sym_for_renaming,
4602         mark_set_for_renaming, get_current_def, set_current_def,
4603         get_value_range, dump_value_range, debug_value_range,
4604         dump_all_value_ranges, debug_all_value_ranges,
4605         expr_computes_nonzero, loop_depth_of_name,
4606         unmodifiable_var_p): Declare.
4607         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
4608         ASSERT_EXPR.
4609         * tree-into-ssa.c (block_defs_stack): Update comment.
4610         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
4611         syms_to_rename, names_to_release, repl_tbl,
4612         need_to_initialize_update_ssa_p, need_to_update_vops_p,
4613         need_to_replace_names_p): New locals.
4614         (NAME_SETS_GROWTH_FACTOR): Define.
4615         (struct repl_map_d): Declare.
4616         (struct mark_def_sites_global_data): Add field
4617         interesting_blocks.
4618         (enum rewrite_mode): Declare.
4619         (REGISTER_DEFS_IN_THIS_STMT): Define.
4620         (compute_global_livein): Use last_basic_block instead of
4621         n_basic_blocks.
4622         (set_def_block): Remove last argument.  Update all callers.
4623         (prepare_use_operand_for_rename): Remove.  Update all callers.
4624         (prepare_def_operand_for_rename): Remove.  Update all callers.
4625         (symbol_marked_for_renaming): New.
4626         (is_old_name): New.
4627         (is_new_name): New.
4628         (repl_map_hash): New.
4629         (repl_map_eq): New.
4630         (repl_map_free): New.
4631         (names_replaced_by): New.
4632         (add_to_repl_tbl): New.
4633         (add_new_name_mapping): New.
4634         (mark_def_sites): Assume that all the operands in the
4635         statement are in normal form.
4636         (find_idf): Assert that the block in the stack is valid.
4637         (get_default_def_for): New.
4638         (insert_phi_nodes_for): Add new argument 'update_p'.
4639         Add documentation.
4640         If update_p is true, add a new mapping between the LHS of
4641         each new PHI and the name that it replaces.
4642         (insert_phi_nodes_1): Only call find_idf if needed.
4643         (get_reaching_def): Call get_default_def_for.
4644         (rewrite_operand): Remove.
4645         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
4646         and REWRITE_THIS_STMT are false.
4647         Assume that all the operands in the statement are in
4648         normal form.
4649         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
4650         (rewrite_virtual_phi_arguments): Remove.
4651         (invalidate_name_tags): Remove.
4652         (register_new_update_single, register_new_update_set,
4653         rewrite_update_init_block, replace_use,
4654         rewrite_update_fini_block, rewrite_update_stmt,
4655         rewrite_update_phi_arguments): New.
4656         rewrite_blocks): Remove argument 'fix_virtual_phis'.
4657         Add arguments 'entry', 'what' and 'blocks'.
4658         Initialize the dominator walker according to 'what' and
4659         'blocks'.
4660         Start the dominator walk at 'entry'.
4661         (mark_def_site_blocks): Add argument 'interesting_blocks'.
4662         Use it to configure the dominator walker.
4663         (rewrite_into_ssa): Remove argument 'all'.
4664         Make internal.
4665         (rewrite_all_into_ssa): Remove.
4666         (rewrite_def_def_chains): Remove.
4667         (mark_def_interesting, mark_use_interesting,
4668         prepare_phi_args_for_update, prepare_block_for_update,
4669         prepare_def_site_for, prepare_def_sites,
4670         dump_names_replaced_by, debug_names_replaced_by,
4671         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
4672         delete_update_ssa, create_new_def_for,
4673         register_new_name_mapping, mark_sym_for_renaming,
4674         mark_set_for_renaming, need_ssa_update_p,
4675         name_registered_for_update_p, ssa_names_to_replace,
4676         release_ssa_name_after_update_ssa,
4677         insert_updated_phi_nodes_for, update_ssa): New.
4678         * tree-loop-linear.c (linear_transform_loops): Call
4679         update_ssa instead of rewrite_into_ssa.
4680         * tree-optimize.c (vars_to_rename): Remove.
4681         Update all users.
4682         (init_tree_optimization_passes): Replace
4683         pass_redundant_phi with pass_copy_prop.
4684         Add pass_vrp.
4685         Replace pass_ccp with pass_store_ccp.
4686         Add pass_store_copy_prop after pass_store_ccp.
4687         (execute_todo): If the TODO_ flags don't include updating
4688         the SSA form, assert that it does not need to be updated.
4689         Call update_ssa instead of rewrite_into_ssa and
4690         rewrite_def_def_chains.
4691         If TODO_verify_loops is set, call verify_loop_closed_ssa.
4692         (tree_rest_of_compilation):
4693         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
4694         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
4695         TODO_cleanup_cfg): Renumber.
4696         (TODO_verify_loops, TODO_update_ssa,
4697         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
4698         TODO_update_ssa_only_virtuals): Define.
4699         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
4700         Declare.
4701         * tree-phinodes.c (make_phi_node): Update documentation.
4702         (remove_all_phi_nodes_for): Remove.
4703         (find_phi_node_for): New.
4704         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
4705         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
4706         (interpret_rhs_modify_expr): Likewise.
4707         * tree-sra.c (decide_instantiations): Mark all symbols in
4708         SRA_CANDIDATES for renaming.
4709         (mark_all_v_defs_1): Rename from mark_all_v_defs.
4710         (mark_all_v_defs): New function.  Update all users to call it
4711         with the whole list of scalarized statements, not just the
4712         first one.
4713         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
4714         (compute_flow_insensitive_aliasing): If the tag is
4715         unmodifiable and the variable isn't or vice-versa, don't
4716         make them alias of each other.
4717         (setup_pointers_and_addressables): If the type tag for
4718         VAR is about to change, mark the old one for renaming.
4719         (add_type_alias): New.
4720         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
4721         (ccp_lattice_t): Rename from latticevalue.
4722         (value): Remove.  Update all users.
4723         (const_val): New local variable.
4724         (do_store_ccp): New local variable.
4725         (dump_lattice_value): Handle UNINITIALIZED.
4726         (debug_lattice_value): New.
4727         (get_default_value): Re-write.
4728         (set_lattice_value): Re-write.
4729         (def_to_varying): Remove.  Update all users.
4730         (likely_value): Return VARYING for statements that make
4731         stores when STORE_CCP is false.
4732         Return VARYING for any statement other than MODIFY_EXPR,
4733         COND_EXPR and SWITCH_EXPR.
4734         (ccp_initialize): Re-write.
4735         (replace_uses_in, replace_vuse_in, substitute_and_fold):
4736         Move to tree-ssa-propagate.c.
4737         (ccp_lattice_meet): Handle memory stores when
4738         DO_STORE_CCP is true.
4739         (ccp_visit_phi_node): Likewise.
4740         (ccp_fold): Likewise.
4741         (evaluate_stmt): Likewise.
4742         (visit_assignment): Likewise.
4743         (ccp_visit_stmt): Likewise.
4744         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
4745         into DO_STORE_CCP.
4746         (do_ssa_ccp): New.
4747         (pass_ccp): Use it.
4748         (do_ssa_store_ccp): New.
4749         (gate_store_ccp): New.
4750         (pass_store_ccp): Declare.
4751         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
4752         (may_propagate_copy): Reformat.
4753         Don't abort if ORIG is a virtual and DEST isn't.
4754         If NEW does not have alias information but DEST does,
4755         copy it.
4756         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
4757         copy_prop_kind, which_copy_prop): Declare.
4758         (stmt_may_generate_copy, get_copy_of_val,
4759         get_last_copy_of, set_copy_of_val, dump_copy_of,
4760         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
4761         copy_prop_visit_stmt, copy_prop_visit_phi_node,
4762         init_copy_prop, fini_copy_prop, execute_copy_prop,
4763         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
4764         store_copy_prop): New.
4765         (pass_copy_prop, pass_store_copy_prop): Declare.
4766         * tree-ssa-dom.c (struct opt_stats_d): Add fields
4767         'num_const_prop' and 'num_copy_prop'.
4768         (cprop_operand): Update them.
4769         (dump_dominator_optimization_stats): Dump them.
4770         (tree_ssa_dominator_optimize): Call update_ssa instead of
4771         rewrite_into_ssa.
4772         (loop_depth_of_name): Declare extern.
4773         (simplify_cond_and_lookup_avail_expr): Guard against NULL
4774         values for LOW or HIGH.
4775         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
4776         (record_equivalences_from_stmt): Call expr_computes_nonzero.
4777         (cprop_operand): Only propagate if VAL != OP.
4778         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
4779         statement for renaming.
4780         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
4781         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
4782         add_type_alias if necessary.
4783         Call mark_new_vars_to_rename.
4784         (tree_ssa_iv_optimize): If new symbols need to be renamed,
4785         mark every statement updated, call update_ssa and
4786         rewrite_into_loop_closed_ssa.
4787         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
4788         from LIVEIN if VAR is a virtual.
4789         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
4790         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
4791         (get_call_expr_operands): Reformat statement.
4792         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
4793         symbols.
4794         * tree-ssa-propagate.c (ssa_prop_init): Initialize
4795         SSA_NAME_VALUE for every name.
4796         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
4797         get_value_loaded_by): New.
4798         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
4799         substitute_and_fold): Move from tree-ssa-ccp.c.
4800         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
4801         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
4802         get_value_loaded_by, replace_uses_in, substitute_and_fold):
4803         Declare.
4804         * tree-ssa.c (verify_use): Fix error message.
4805         (propagate_into_addr, replace_immediate_uses, get_eq_name,
4806         check_phi_redundancy, kill_redundant_phi_nodes,
4807         pass_redundant_phi): Remove.  Update all users.
4808         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
4809         add_type_alias, if necessary.
4810         * tree-vectorizer.h (struct _stmt_vect_info): Update
4811         documentation for field 'memtag'.
4812         * tree-vrp.c: New file.
4813         * tree.def (ASSERT_EXPR): Define.
4814         * tree.h (ASSERT_EXPR_VAR): Define.
4815         (ASSERT_EXPR_COND): Define.
4816         (SSA_NAME_VALUE_RANGE): Define.
4817         (struct tree_ssa_name): Add field 'value_range'.
4818         (PHI_REWRITTEN): Remove.
4819         (struct tree_phi_node): Remove field 'rewritten'.
4820         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
4821         -ftree-store-copy-prop): Document.
4822         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
4823         Document usage of update_ssa.
4824
4825 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
4826
4827         PR target/20814
4828         * config/rs6000/predicates.md (altivec_register_operand): Accept
4829         SUBREG.
4830         (and64_operand): Do not limit CONST_INT to mask64_operand.
4831         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
4832         (and_operand): Do not limit CONST_INT to mask_operand.
4833
4834 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
4835
4836         PR rtl-optimization/20466
4837         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
4838         for overlap of the address of each list member.
4839         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
4840
4841 2005-04-08  Mike Stump  <mrs@apple.com>
4842
4843         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
4844
4845         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
4846         instead of 4.
4847
4848 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
4849
4850         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
4851
4852         * function.c (push_function_context_to): Don't set
4853         contains_functions.
4854         * function.h (function): Remove contains_functions.
4855         (current_function_contains_functions): Remove.
4856
4857         * function.h (function): Remove instrument_entry_exit.
4858         (current_function_instrument_entry_exit): Remove.
4859
4860         * function.h (nonlocal_labels): Remove.
4861
4862         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
4863
4864         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
4865         (check_attr_value, write_attr_get, write_expr_attr_cache,
4866         find_attr, make_internal_attr): Don't reference negative_ok or
4867         unsigned_p.
4868         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
4869         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
4870         (ATTR_STATIC): Adjust the value.
4871
4872         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
4873
4874 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
4875
4876         * config/s390/tpf.h (ASM_SPEC): Define.
4877
4878 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
4879
4880         * tree-flow.h: Remove the prototype for
4881         redirect_immediate_uses.
4882         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
4883
4884 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
4885
4886         * arm.c (arm_const_double_by_parts): New function.
4887         * arm-protos.h (arm_const_double_by_parts): Add prototype.
4888         * arm.md (define_split for 64-bit constants): Add another one.
4889
4890 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
4891
4892         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
4893
4894 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4895
4896         * system.h: Revert last change.
4897
4898 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
4899
4900         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
4901         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
4902         (TARGET_SWITCHES): Delete.
4903         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
4904         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
4905         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
4906         * config/xtensa/xtensa.opt: New file.
4907
4908 2005-04-08  Ben Elliston  <bje@au.ibm.com>
4909
4910         * config/fp-bit.c: Include L_mul_tf in #endif comment.
4911         * config/fp-bit.h: Tidy comments.
4912
4913 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4914
4915         * system.h: Poison PARAMS.
4916
4917 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
4918
4919         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
4920         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
4921         (TARGET_SWITCHES): Delete.
4922         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
4923         * config/vax/vax.opt: New file.
4924
4925 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
4926
4927         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
4928
4929 2005-04-07  Ian Lance Taylor  <ian@airs.com>
4930
4931         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
4932         define.
4933         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
4934         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
4935         Likewise.
4936
4937 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
4938
4939         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
4940         all immediate uses in PHI nodes.
4941
4942 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
4943
4944         * arm.c (arm_const_double_inline_cost): Handle any constant by
4945         using gen_lowpart and gen_highpart_mode.
4946         (note_invalid_constants): All constants in an RTX with a constraint
4947         that permits memory are now pushed to the constant pool.
4948         (output_move_double): Delete code to handle reg to reg and
4949         constant to reg moves.
4950         (const_double_needs_minipool, output_mov_immediate): Delete.
4951         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
4952         CONST_INT and CONST_VECTOR.
4953         * arm.md (ANY64): New mode macro.
4954         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
4955         (movdf_soft_insn): Split reg-reg and const-reg moves.
4956         (split patterns for 64-bit constant and register moves): New.
4957         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
4958         (cirrus_movdf_hard_insn): Likewise.
4959         * fpa.md (movdf_fpa): Likewise.
4960         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
4961         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
4962         constraints.
4963         (movv2si_internal_2): Likewise.
4964         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
4965         (movdf_vfp): Likewise.
4966         * arm-protos.h (output_mov_immediate): Delete prototype.
4967
4968 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
4969
4970         PR target/20093
4971         * simplify-rtx.c (simplify_unary_operation_1): Check
4972         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
4973
4974 2005-04-06  James E Wilson  <wilson@specifixinc.com>
4975
4976         PR target/20717
4977         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
4978         ADDR_EXPR.
4979
4980 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
4981
4982         * coverage.h (GCOV_TYPE_NODE): Delete.
4983         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
4984         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
4985         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
4986         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
4987         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
4988
4989 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
4990
4991         PR other/20792
4992         * Makefile.in (gcc.pot): Remove options.c dependency.
4993         * optc-gen.awk: Don't quote help strings with N_().
4994
4995 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
4996
4997         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
4998         the function returns a pointer type.
4999
5000 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
5001
5002         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
5003         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
5004         * doc/invoke.texi: Documnet salias-max-implicit-fields.
5005         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
5006         explicit_uses members.
5007         (get_or_create_used_part_for): Initialize new fields.
5008         (fieldoff_compare): New function.
5009         (create_overlap_variables_for): Count number of fields, use
5010         heuristic to determine whether to create subvars for vars with
5011         only implicit uses.
5012         Sort the field list by offset and avoid creating duplicate SFT's.
5013
5014 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
5015
5016         * c.opt (-F): Remove trailing whitespace from help string.
5017         (-finput-charset): Use a tab to separate the switch name and help
5018         string.
5019         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
5020         (-ftree-vectorizer-verbose): Likewise.
5021
5022 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
5023
5024         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
5025         a PHI argument where a use occurs instead of all PHI arguments.
5026
5027 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
5028
5029         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
5030         scope.
5031
5032 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
5033
5034         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
5035         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
5036         config/bfin/bfin.h: Fix comment typos.
5037
5038 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
5039
5040         * doc/install.texi: Update the URL for Jacks.
5041         * doc/sourcebuild.texi: Likewise.
5042
5043 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
5044
5045         PR target/17245
5046         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
5047         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
5048
5049 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
5050
5051         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
5052
5053 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
5054
5055         * config/v850/v850-protos.h (override_options): Delete.
5056         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
5057         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
5058         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
5059         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
5060         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
5061         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
5062         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
5063         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
5064         (OVERRIDE_OPTIONS): Delete.
5065         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
5066         (small_memory_info): Remove the value field.
5067         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
5068         TARGET_NO_APP_REGS.
5069         * config/v850/v850.c (small_memory): Remove the value field.
5070         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5071         (override_options): Delete.
5072         (v850_handle_memory_option, v850_handle_option): New functions.
5073         * config/v850/v850.opt: New file.
5074
5075 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
5076
5077         * config.host: Add a section for generic hosts, and a subsection
5078         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
5079         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
5080         * config/host-darwin.h: New.
5081         * config/x-darwin: New.
5082         * config/i386/host-i386-darwin.c: New.
5083         * config/i386/x-darwin: New.
5084         * config/rs6000/host-darwin.c: Include host-darwin.h.
5085         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
5086         (darwin_rs6000_gt_pch_use_address): Likewise.
5087         * config/rs6000/x-darwin: Change name of .o built, update
5088         dependencies for changes to rs6000/host-darwin.c.
5089
5090 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
5091
5092         PR target/17824
5093         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
5094
5095 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
5096
5097         * tree-vect-analyze.c (vect_analyze_loop_form): Call
5098         split_loop_exit_edge instead of loop_split_edge_with.
5099
5100 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
5101
5102         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
5103         UNSPEC_SET_VSCR): New constants, used throughout.
5104         (*andc3_v4sf): New.
5105         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
5106         Replace with...
5107         (altivec_vspltis<VI_char>): ... this pattern, using
5108         a QImode const_int_operand for the immediate.
5109         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
5110         define_expands.
5111
5112 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
5113
5114         PR target/17822
5115         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
5116
5117 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
5118
5119         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
5120
5121 2005-04-06  Ben Elliston  <bje@au.ibm.com>
5122
5123         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
5124         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
5125         macros as living in "this file" and not gcc.h.
5126
5127 2005-04-06  Ben Elliston  <bje@au.ibm.com>
5128
5129         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
5130         -ftree-live_range_split.  Perhaps renamed at some point?
5131
5132 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
5133
5134         PR target/20625
5135         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
5136         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
5137
5138 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
5139
5140         * tree-flow.h (number_of_iterations_cond): Declaration removed.
5141         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
5142         (number_of_iterations_special): New function.
5143         (number_of_iterations_exit): Use number_of_iterations_special.
5144         Use simplify_using_outer_evolutions only at -O3.
5145         (number_of_iterations_cond, tree_simplify_using_condition,
5146         simplify_using_initial_conditions, loop_niter_by_eval,
5147         compare_trees, can_count_iv_in_wider_type_bound,
5148         simplify_using_outer_evolutions): Use fold_build.
5149
5150 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
5151
5152         * doc/install.texi (Configuration): Document --with-java-home.
5153
5154 2005-04-05  Richard Henderson  <rth@redhat.com>
5155
5156         PR target/20342
5157         PR target/20447
5158         * config/i386/i386.c (print_operand): Handle vector zeros.
5159         (ix86_split_to_parts): Handle CONST_VECTOR.
5160         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
5161         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
5162         what modes to tie for MMX and SSE registers.
5163         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
5164         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
5165         to vector modes as well.
5166         * config/i386/predicates.md (const0_operand): Handle VOIDmode
5167         properly as an input mode.
5168
5169 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
5170
5171         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
5172
5173 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
5174
5175         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
5176
5177 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
5178
5179         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
5180         and local functions, set sse_nregs to 8 and float_in_sse.
5181         (function_arg_advance, function_arg): If float_in_sse, pass
5182         SFmode and DFmode arguments in SSE registers.
5183         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
5184
5185         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
5186         of -funit-at-a-time.
5187
5188 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
5189
5190         * config/i386/i386-protos.h (ix86_function_value): Accept two
5191         arguments, like the target macro.
5192         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
5193         * config/i386/i386.c (ix86_function_value): Accept the second
5194         argument of the target macro.
5195         (ix86_function_ok_for_sibcall): Pass a function pointer to
5196         ix86_function_value.
5197         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
5198         call to ix86_value_regno).
5199         (ix86_value_regno): Add support for returning floating point values
5200         in SSE registers.
5201
5202 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
5203
5204         PR tree-optimization/20076
5205         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
5206         that call __builtin_return or __builtin_apply_args.
5207
5208 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
5209
5210         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
5211         Use immediate use iterator.
5212         (stmt_is_bumper_for_loop): Use immediate use iterator.
5213         * predict.c (strip_builtin_expect): Use update_stmt.
5214         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
5215         on all elements of a STATEMENT_LIST.
5216         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
5217         (bsi_remove): Remove imm_use links and mark the stmt as modified.
5218         (bsi_replace): Mark stmt as modified and the update it.
5219         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
5220         (expand_complex_libcal): Call update_stmt.
5221         (expand_complex_comparison): Call mark_stmt_modified.
5222         (expand_complex_operations_1): Call update_stmt_if_modified.
5223         (expand_vector_operations_1): Call mark_stmt_modified.
5224         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
5225         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
5226         add_immediate_use, redirect_immediate_use,
5227         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
5228         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
5229         (mark_new_vars_to_rename): Call update_stmt.
5230         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
5231         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
5232         Ignore PHI nodes.
5233         (unmodify_stmt): Delete.
5234         (update_stmt): New.  Force an update of a stmt.
5235         (update_stmt_if_modified): update a stmt if it is out of date.
5236         (get_stmt_operands): Verify stmt is NOT modified.
5237         (stmt_modified_p): Update comment.
5238         (delink_imm_use): Remove a use node from its immuse list.
5239         (link_imm_use_to_list): Link a use node to a specific list.
5240         (link_imm_use): Link a node to the correct list.
5241         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
5242         it in the correct list, if appropriate.
5243         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
5244         (relink_imm_use): Link a use node in place of another node in a list.
5245         (relink_imm_use_stmt): LInk a node in place of another node, and set
5246         the stmt pointer.
5247         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
5248         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
5249         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
5250         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
5251         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
5252         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
5253         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
5254         (has_zero_uses): New.  Return true if there are no uses of a var.
5255         (has_single_use): New.  Return true if there is only a single use of a
5256         variable.
5257         (single_imm_use): New.  Return the simgle immediate use.
5258         (num_imm_uses): New.  Return the number of immediate uses.
5259         (get_v_must_def_ops): Use is now a pointer.
5260         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
5261         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
5262         the use node.
5263         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
5264         (delink_stmt_imm_use): Delink all immuses from a stmt.
5265         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
5266         * tree-flow.h (struct dataflow_d): Delete.
5267         (immediate_use_iterator_d): New.  Immediate use iterator struct.
5268         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
5269         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
5270         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
5271         iteration.
5272         (struct stmt_ann_d): Remove dataflow_t from struct.
5273         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
5274         (if_convertible_phi_p): Use FAST immuse iterator.
5275         (if_convertible_loop_p): Don't call compute_immediate_uses.
5276         (replace_phi_with_cond_modify_expr): Call update_stmt.
5277         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
5278         update_stmt_if_modified.
5279         (rewrite_all_into_ssa): Initialize ssa operands.
5280         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
5281         compute_immediate_uses.
5282         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
5283         ssa_property is available.
5284         (execute_one_pass):  Change parameters passed to execute_todo.
5285         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
5286         (remove_ssa_form): Call fini_ssa_operands.
5287         (insert_backedge_copies): Delete call to modify_stmt.
5288         * tree-phinodes.c (make_phi_node): Initialize use nodes.
5289         (release_phi_node): Delink any use nodes before releasing.
5290         (resize_phi_node): Relink any use nodes.
5291         (remove_phi_arg_num): Delink the use node.
5292         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
5293         (remove_all_phi_nodes_for): Release phi node first.
5294         * tree-pretty-print.c (dump_generic_node): Print stmt address.
5295         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
5296         (scalarize_use, scalarize_copy): Call update_stmt.
5297         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
5298         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
5299         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
5300         (ccp_initialize): Remove call to compute_immediate_uses.
5301         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
5302         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
5303         stmts.
5304         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
5305         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
5306         (eliminate_redundant_computations): Call mark_stmt_modified.
5307         (cprop_operand): Call mark_stmt_modified.
5308         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
5309         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
5310         (dse_optimize_stmt): Use new immuse interface.
5311         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
5312         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
5313         (substitute_single_use_vars): Use new immuse interface.
5314         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
5315         and compute_immediate_uses.
5316         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
5317         interface.
5318         (rewrite_mem_refs): Call update_stmt.
5319         (determine_lsm): Remove call to compute_imm_uses and free_df.
5320         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
5321         (try_unroll_loop_completely): Call update_stmt.
5322         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
5323         (rewrite_use_compare): Call update_stmt.
5324         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
5325         (rewrite_use) : Call update_stmt.
5326         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
5327         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
5328         update_stmt.
5329         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
5330         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
5331         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
5332         use nodes.
5333         (initialize_vuse_operand): New.  Initialize a vuse operand.
5334         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
5335         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
5336         (finalize_ssa_defs): Use stmt parameter.
5337         (correct_use_link): Ensure a use node is in the correct list, and has
5338         the correct stmt pointer.
5339         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
5340         finalize_ssa_v_must_defs): Also initialize use nodes.
5341         (finalize_ssa_stmt_operands): Pass extra stmt operands.
5342         (build_ssa_operands): Seperate parsing from final operand construction.
5343         (parse_ssa_operands): New.  Parse entry point for operand building.
5344         (swap_tree_operands): New.  Swap 2 tree operands.
5345         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
5346         operands.
5347         (get_expr_operands): Call swap_tree_operands when needed.
5348         (copy_virtual_operands): Use initialize routines for virtual use ops.
5349         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
5350         (verify_abort): New.  Issue imm_use error.
5351         (verify_imm_links): New Verify imm_use links for a var.
5352         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
5353         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
5354         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
5355         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
5356         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
5357         (NULL_USE_OPERAND_P) Define.
5358         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
5359         use node.
5360         (struct vuse_operand_type): New struct.
5361         (SET_USE): Call set_ssa_use_from_ptr.
5362         (USE_STMT): Define.
5363         (PHI_ARG_INDEX_FROM_USE): Define.
5364         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
5365         argument via SET_USE, not PHI_ARG_DEF_TREE.
5366         * tree-ssa-pre.c (eliminate): Call update_stmt.
5367         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
5368         call free_df.
5369         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
5370         (nearest_common_dominator_of_uses): Use imm_use iterator.
5371         (statement_sink_location): Use imm_use iterator and interface.
5372         (execute_sink_code): Don't call compute_immediate_uses or free-df.
5373         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
5374         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
5375         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
5376         (verify_ssa): Ensure no stmt is marked modify after optimization pass
5377         if new parameter is true.
5378         (init_tree_ssa): Don't initialize operand cache here.
5379         (delete_tree_ssa): Don't destroy operand cache here.
5380         (propagate_into_addr): Pass in a use pointer, return true if anything
5381         was changed.
5382         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
5383         (check_phi_redundancy): Use imm_use iterator.
5384         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
5385         free_df.
5386         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
5387         (release_ssa_name): Delink node and all elements in its imm_use list.
5388         * tree-tailcall.c (adjust_return_value): Call update_stmt.
5389         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
5390         * tree-vectorizer.c (need_imm_uses_for): Delete.
5391         (vectorize_loops): Dont call compute_immediate_uses or free_df.
5392         * tree.h (struct ssa_imm_use_d): Define.
5393         (SSA_NAME_IMM_USE_NODE): Define.
5394         (struct tree_ssa_name): Add imm_use node.
5395         (PHI_DF): Delete.
5396         (PHI_ARG_IMM_USE_NODE): Define.
5397         (struct phi_arg_d): Add imm_use node.
5398         (struct tree_phi_node): Remove struct dataflow_d element.
5399         (TDF_STMTADDR): Define.
5400
5401 2005-04-05  Dale Johannesen  <dalej@apple.com>
5402
5403         * doc/invoke.texi (Optimization Options):  Remove
5404         duplicate -fcse-follow-jumps.  Add -fweb.
5405         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
5406         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
5407
5408 2005-04-05  Per Bothner  <per@bothner.com>
5409
5410         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
5411         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
5412         (warn_uninit): Get EXPR_LOCUS from context now instead.
5413         This fixes a USE_MAPPED_LOCATION testsuite failure.
5414
5415         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
5416
5417 2005-04-05  Per Bothner  <per@bothner.com>
5418
5419         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
5420         of the artification 'return 0' in main() to BUILTINS_LOCATION.
5421         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
5422         before warning.
5423
5424 2004-04-05  Devang Patel  <dpatel@apple.com>
5425
5426         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
5427         (lhsr<mode>3): ... new name.
5428         (altivec_vsra<VI_char>): Rename to ..
5429         (ashr<mode>3): ... new name.
5430         * config/rs6000/rs6000.c (builtin_description): Rename shift
5431         operations.
5432
5433 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
5434
5435         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
5436         gen_lowpart_for_combine.
5437         * cse.c (gen_lowpart_if_possible): Move...
5438         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
5439         gen_lowpart_SUBREG.
5440         (gen_lowpart_no_emit_general): Use it.
5441
5442 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
5443
5444         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
5445         overriding.
5446
5447 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
5448
5449         * system.h: Fix typo.
5450
5451 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5452
5453         * config/bfin/bfin-modes.def: New file.
5454         * config/bfin/bfin-protos.h: New file.
5455         * config/bfin/bfin.c: New file.
5456         * config/bfin/bfin.h: New file.
5457         * config/bfin/bfin.md: New file.
5458         * config/bfin/bfin.opt: New file.
5459         * config/bfin/crti.s: New file.
5460         * config/bfin/crtn.s: New file.
5461         * config/bfin/elf.h: New file.
5462         * config/bfin/lib1funcs.asm: New file.
5463         * config/bfin/predicates.md: New file.
5464         * config/bfin/t-bfin: New file.
5465         * config/bfin/t-bfin-elf: New file.
5466         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
5467         Document new attributes.
5468         (interrupt, interrupt_handler, saveall): Update documentation for
5469         these attributes.
5470         * doc/install.texi (Specific): Add entry for the Blackfin.
5471         * doc/invoke.texi (Blackfin Options): New section.
5472         * doc/md.texi (Blackfin family): New section to document constraints.
5473         * config.gcc: Add bfin*-* and bfin*-elf configurations.
5474
5475 2005-04-05  Olivier Hainque  <hainque@adacore.com>
5476
5477         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
5478         match what the system unwinder expects.
5479         * config/mips/mips.c (mips_frame_set): If we're saving the return
5480         address register and the dwarf return address column number differs
5481         from the hard register number, adjust the note reg to refer to the
5482         former.
5483
5484 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
5485
5486         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
5487         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
5488         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
5489         (processor_type): New enum.
5490         (mn10300_processor): New variable.
5491         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
5492         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
5493         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
5494         (PROCESSOR_DEFAULT): New macro.
5495         * config/mn10300/mn10300.c (mn10300_processor): New variable.
5496         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5497         (mn10300_handle_option, mn10300_override_options): New functions.
5498         * config/mn10300/mn10300.opt: New file.
5499
5500 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
5501             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
5502
5503         PR tree-optimization/19903
5504         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
5505         that don't fit in their type after conversion.
5506
5507 2005-04-05  Uros Bizjak <uros@kss-loka.si>
5508
5509         PR target/20421
5510         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
5511         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
5512         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
5513         flag here. Implement using define_insn_and_split.
5514         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
5515         (frndintxf2_mask_pm_i387): New insn patterns.
5516         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
5517         Do not set ix86_optimize_mode_switching flag.
5518         (ceilsf2, ceildf2, ceilxf2): Same.
5519         (btruncsf2, btruncdf2, btruncxf2): Same.
5520         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
5521
5522 2005-04-05  Ian Lance Taylor  <ian@airs.com>
5523
5524         PR debug/9963
5525         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
5526         i386_pe_record_external_function.
5527         (i386_pe_record_external_function): Update declaration.
5528         * config/i386/winnt.c (struct extern_list): Add decl field.
5529         (i386_pe_record_external_function): Add decl parameter.
5530         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
5531         identifier.
5532         * config/i386/i386-protos.h (i386_pe_record_external_function):
5533         Update declaration.
5534
5535 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
5536
5537         * config/m68k/m68k-protos.h: Add a prototype for
5538         valid_dbcc_comparison_p_2.
5539         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
5540         extend_operator, const_uint32_operand, const_sint32_operand,
5541         general_src_operand, nonimmediate_src_operand,
5542         memory_src_operand, post_inc_operand, pre_dec_operand,
5543         pcrel_address): Move to predicates to predicates.md.
5544         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
5545         * config/m68k/m68k.md: Include predicates.md.
5546         * config/m68k/predicates.md: New.
5547
5548 2005-04-04  Roger Sayle  <roger@eyesopen.com>
5549
5550         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
5551
5552         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
5553
5554 2005-04-04  Ian Lance Taylor  <ian@airs.com>
5555
5556         * c-typeck.c (struct c_switch): Rename switch_stmt field to
5557         switch_expr.
5558         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
5559         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
5560         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
5561         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
5562         * c-common.c (c_do_switch_warnings_1): New static function broken
5563         out of c_do_switch_warnings.
5564         (c_do_switch_warnings): Call c_do_switch_warnings_1.
5565         (c_do_switch_expr_warnings): New function.
5566         * c-common.h (c_do_switch_expr_warnings): Declare.
5567
5568 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
5569             Daniel Jacobowitz  <dan@codesourcery.com>
5570
5571         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
5572         trapping divide.
5573         * rtlanal.c (may_trap_p): Same.
5574
5575 2005-04-04  Dale Johannesen  <dalej@apple.com>
5576
5577         * ChangeLog:  remove reference to ChangeLog.12.
5578
5579 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
5580
5581         CRIS epilogue as RTL.
5582         * config/cris/cris.md: Change all 0 in unspec 0 to
5583         CRIS_UNSPEC_PLT.
5584         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
5585         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
5586         patterns.
5587         ("return"): Change to define_expand.  Call cris_expand_return for
5588         actual expansion.
5589         ("*return_expanded"): New pattern.
5590         ("epilogue"): New define_expand.
5591         * config/cris/cris.h (PREDICATE_CODES): Add
5592         cris_load_multiple_op.
5593         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
5594         type.
5595         (enum cris_retinsn_type): New.
5596         (struct machine_function): New member return_type.
5597         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
5598         (cris_target_asm_function_epilogue): Remove, moving RTLified
5599         contents to...
5600         (cris_expand_epilogue): New function.
5601         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
5602         (cris_gen_movem_load, cris_load_multiple_op)
5603         (cris_return_address_on_stack_for_return, cris_expand_return): New
5604         functions.
5605         (cris_target_asm_function_prologue)
5606         (cris_initial_frame_pointer_offset): Call
5607         cris_reg_saved_in_regsave_area instead of complicated expression.
5608         Call cris_return_address_on_stack instead of an expression.
5609         (cris_print_operand) <case 'o', case 'O'>: New cases.
5610         (cris_return_address_on_stack): Change return-type to bool.
5611         (cris_simple_epilogue): Ditto.  Return false if registers are
5612         saved.
5613         * config/cris/cris-protos.h (cris_simple_epilogue)
5614         (cris_return_address_on_stack): Adjust prototype return type.
5615         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
5616         (cris_return_address_on_stack_for_return): New prototypes.
5617
5618 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
5619
5620         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
5621         gpr_or_int12_operand.
5622
5623         * config/frv/frv-protos.h: Add a prototype to
5624         frv_legitimate_memory_operand and frv_const_unspec_p.
5625         (frv_unspec): Move from frv.c.
5626         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
5627         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
5628         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
5629         gpr_or_fpr_operand, gpr_or_int12_operand,
5630         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
5631         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
5632         int6_operand, int5_operand, uint5_operand, uint4_operand,
5633         uint1_operand, int_2word_operand, uint16_operand,
5634         upper_int16_operand, integer_register_operand,
5635         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
5636         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
5637         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
5638         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
5639         move_destination_operand, movcc_fp_destination_operand,
5640         frv_function_symbol_referenced_p, move_source_operand,
5641         condexec_dest_operand, condexec_source_operand,
5642         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
5643         const_unspec_operand, gpr_or_memory_operand,
5644         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
5645         icc_operand, fcc_operand, cc_operand, icr_operand,
5646         fcr_operand, cr_operand, call_operand, sibcall_operand,
5647         symbolic_operand, relational_operator,
5648         integer_relational_operator, float_relational_operator,
5649         ccr_eqne_operator, minmax_operator,
5650         condexec_si_binary_operator, condexec_si_media_operator,
5651         condexec_si_divide_operator, condexec_si_unary_operator,
5652         condexec_sf_conv_operator, condexec_sf_add_operator,
5653         condexec_memory_operand, intop_compare_operator, acc_operand,
5654         even_acc_operand, quad_acc_operand, accg_operand: Move to
5655         predicates.md.
5656         * config/frv/frv.h (PREDICATE_CODES): Remove.
5657         * config/frv/frv.md: Include predicates.md.
5658         * config/frv/predicates.md: New.
5659
5660 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
5661
5662         PR target/19537
5663         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
5664         * tree-ssa-loop-ivopts.c: Include langhooks.h.
5665         (add_standard_iv_candidates_for_size): New function, extracting code
5666         from add_standard_iv_candidates and parameterizing it by type size.
5667         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
5668
5669 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
5670
5671         * system.h (GCOV_SIZE_TYPE): Unposion.
5672         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
5673         (GCOV_TYPE_SIZE): ...this new macro.
5674         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
5675         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
5676         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
5677         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
5678         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
5679         instead of unsigned_intSI_type_node.
5680         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
5681         (rtl_gen_one_value_profiler_no_edge_manipulation)
5682         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
5683         * value-prof.c: Include coverage.h.
5684
5685 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
5686             Diego Novillo <dnovillo@redhat.com>
5687
5688         Fix PR tree-optimization/20703
5689         Fix PR tree-optimization/20725
5690
5691         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
5692         (create_expression_by_pieces): Ditto.
5693         (valid_in_set): Ditto. Also handle tcc_declaration.
5694         (find_or_generate_expression): Handle comparison class.
5695         (insert_into_preds_of_block): Ditto.
5696         (insert_aux): Ditto.
5697         (create_value_expr_from): Handle comparison class, recursively
5698         handle reference nodes.
5699         (compute_avail): Handle comparison classes, rewrite a little cleaner.
5700         (execute_pre): Fix spacing.
5701         (do_fre): Renamed to execute_fre.
5702
5703 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5704
5705         * doc/invoke.texi (SPARC options): Document that
5706         -mlittle-endian is not supported on Linux either.
5707
5708 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5709
5710         PR target/4198
5711         PR target/12027
5712         * config.gcc (Obsolete configurations): Remove
5713         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
5714         (sparclite-*-coff*): Delete.
5715         (sparclite-*-elf*): Likewise.
5716         (sparc86x-*-elf*): Likewise.
5717         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
5718         * config/sparc/lite.h: Delete.
5719         * config/sparc/litecoff.h: Likewise.
5720         * config/sparc/liteelf.h: Likewise.
5721         * config/sparc/sp86x-elf.h: Likewise.
5722         * config/sparc/t-sparclite: Likewise.
5723         * config/sparc/t-sp86x: Likewise.
5724
5725 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
5726
5727         * config/s390/s390-protos.h: (s390_comparison,
5728         s390_alc_comparison, s390_slb_comparison, const0_operand,
5729         consttable_operand, larl_operand, s_operand,
5730         shift_count_operand, bras_sym_operand, load_multiple_operation,
5731         store_multiple_operation, s390_plus_operand): Remove prototypes.
5732         (s390_legitimate_address_without_index_p): New prototype.
5733         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
5734         to s390.h.
5735         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
5736         const0_operand, consttable_operand, larl_operand, s_operand,
5737         shift_count_operand, bras_sym_operand, load_multiple_operation,
5738         store_multiple_operation, s390_plus_operand): Move to
5739         predicates.md.
5740         (check_mode): Remove.
5741         (s390_branch_condition_mask): Remove 'static'. Move prototype to
5742         s390-protos.h.
5743         (s390_legitimate_address_without_index_p): New.
5744         * config/s390/s390.h (PREDICATE_CODES): Remove.
5745         * config/s390/s390.md: Include predicates.md.
5746         * config/s390/predicates.md: New.
5747
5748 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5749
5750         PR target/20446
5751         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
5752         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
5753         (NEED_INDICATE_EXEC_STACK): Define to 1.
5754         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
5755         (NEED_INDICATE_EXEC_STACK): Define to 1.
5756         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
5757         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
5758         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
5759         (pic_helper_emitted_p): New global.
5760         (emit_pic_helper): New function extracted from...
5761         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
5762         Do not call emit_pic_helper if delay_pic_helper is true.
5763         (sparc_expand_prologue): Pass 'false' to load_pic_register.
5764         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
5765         (sparc_file_end): New function.
5766
5767 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
5768
5769         * config/mcore/mcore-protos.h: Remove the prototypes for
5770         mcore_arith_reg_operand, mcore_general_movsrc_operand,
5771         mcore_general_movdst_operand, mcore_reload_operand,
5772         mcore_arith_J_operand, mcore_arith_K_operand,
5773         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
5774         mcore_arith_K_S_operand, mcore_arith_imm_operand,
5775         mcore_arith_any_imm_operand, mcore_arith_O_operand,
5776         mcore_literal_K_operand, mcore_addsub_operand,
5777         mcore_compare_operand, mcore_load_multiple_operation,
5778         mcore_store_multiple_operation, mcore_call_address_operand.
5779         Add a prototype for const_ok_for_mcore.
5780         * config/mcore/mcore.c (mcore_call_address_operand,
5781         mcore_general_movsrc_operand, mcore_general_movdst_operand,
5782         mcore_arith_reg_operand, mcore_reload_operand,
5783         mcore_arith_J_operand, mcore_arith_K_operand,
5784         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
5785         mcore_arith_M_operand, mcore_arith_imm_operand,
5786         mcore_arith_any_imm_operand, mcore_arith_O_operand,
5787         mcore_literal_K_operand, mcore_addsub_operand,
5788         mcore_compare_operand, mcore_load_multiple_operation,
5789         mcore_store_multiple_operation): Move to predicates.md.
5790         (const_ok_for_mcore): Export.
5791         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
5792         * config/mcore/mcore.md: Include predicates.md.
5793         * config/mcore/predicates.md: New.
5794
5795         * config/mcore/predicates.md: Fix a comment typo.
5796
5797 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
5798             Adrian Straetling  <straetling@de.ibm.com>
5799
5800         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
5801         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
5802         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
5803         attribute.
5804         ("imul"): Removed from "type" attribute.
5805         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
5806         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
5807         Changed type to imulsi.
5808         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
5809
5810 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
5811
5812         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
5813         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
5814         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
5815         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
5816         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
5817         (TARGET_SWITCHES, mcore_stack_increment_string)
5818         (TARGET_OPTIONS): Delete.
5819         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
5820         than *_BIT constants.
5821         (TARGET_8ALIGN): #undef old definition before redefining to 1.
5822         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
5823         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
5824         (mcore_override_options): Delete mcore_stack_increment code.
5825         Change use of M340_BIT to MASK_M340.
5826         * config/mcore/mcore.opt: New file.
5827
5828 2005-04-04  Ian Lance Taylor  <ian@airs.com>
5829
5830         * config/arm/arm.c (replace_symbols_in_block): Remove static
5831         function.
5832
5833 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
5834
5835         * config/fr30/fr30-protos.h: Remove the prototypes for
5836         stack_add_operand, add_immediate_operand,
5837         high_register_operand, low_register_operand, call_operand,
5838         di_operand, and nonimmediate_di_operand.
5839         * config/fr30/fr30.c (stack_add_operand,
5840         add_immediate_operand, high_register_operand,
5841         low_register_operand, call_operand, di_operand,
5842         nonimmediate_di_operand): Move to predicates.md.
5843         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
5844         * config/fr30/fr30.md: Include predicates.md.
5845         * config/fr30/predicates.md: New.
5846
5847         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
5848         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
5849         mcore_call_address_operand.
5850
5851         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
5852         general_movsrc_operand.
5853
5854 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
5855
5856         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
5857         after freeing.
5858
5859 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
5860
5861         PR target/14812
5862         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
5863         a negated value.
5864
5865 2005-04-04  Richard Henderson  <rth@redhat.com>
5866             Jakub Jelinek  <jakub@redhat.com>
5867
5868         PR rtl-optimization/16104
5869         * fold-const.c (fold_unary): Fix folding of vector conversions.
5870
5871 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
5872
5873         * config.gcc (xstormy16-*-elf): Set extra_options.
5874         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
5875         * config/stormy16/stormy16.opt: New file.
5876
5877 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
5878
5879         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
5880         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
5881         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
5882         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
5883         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
5884         (TARGET_UNIX_ASM): Delete.
5885         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
5886         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
5887         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
5888         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5889         * config/pdp11/pdp11.opt: New file.
5890
5891 2005-04-03  Roger Sayle  <roger@eyesopen.com>
5892             Alexandre Oliva  <aoliva@redhat.com>
5893
5894         PR c++/19199
5895         * fold-const.c (non_lvalue): Split tests into...
5896         (maybe_lvalue_p): New function.
5897         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
5898         C++ front-end prior to lowering into gimple form.
5899
5900 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5901
5902         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
5903         BUILT_IN_STRNCASECMP): New.
5904         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
5905         and strndup.
5906
5907 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
5908
5909         PR target/14812
5910         * arm.md (addsi3_compare0_for_combiner): Delete.
5911         (addsi3_compare0_scratch_for_combiner): Delete.
5912         (cmpsi_neg_shiftsi): Delete.
5913         (compare_negsi_si): New pattern.
5914         (cmpsi_negshiftsi_si): New pattern.
5915         (negated_cbranchsi4): Restrict to equality_operator.
5916
5917         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
5918         template.
5919
5920 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
5921
5922         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
5923         Fix comment typos.
5924
5925         * doc/install.texi: Fix a typo.
5926
5927 2005-04-03  Steven Bosscher  <stevenb@suse.de>
5928
5929         PR middle-end/20648
5930         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
5931         a computed goto if the edge to the computed goto block has
5932         incoming abnormal edges.  Clarify how the function works.
5933
5934 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
5935
5936         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
5937         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
5938         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
5939         hash_scan_set, reg_set_between_after_reload_p,
5940         reg_used_between_after_reload_p, get_avail_load_store_reg,
5941         eliminate_partially_redundant_load): Likewise.
5942         * postreload.c (reload_cse_simplify_set,
5943         reload_combine_note_use): Likewise.
5944         * predict.c (predict_insn, expected_value_to_br_prob,
5945         propagate_freq, expensive_function_p): Likewise.
5946         * print-rtl.c (print_rtx): Likewise.
5947         * profile.c (instrument_edges, instrument_values,
5948         compute_branch_probabilities, branch_prob, union_groups,
5949         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
5950         * protoize.c (in_system_include_dir, file_could_be_converted,
5951         file_normally_convertible, gen_aux_info_file, seek_to_line,
5952         do_cleaning): Likewise.
5953         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
5954         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
5955         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
5956
5957 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
5958
5959         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
5960         * modulo-sched.c (undo_replace_buff_elem): New structure.
5961         (kernel_number_of_cycles, ps_unschedule_node,
5962         undo_generate_reg_moves,free_undo_replace_buff,
5963         undo_permute_partial_schedule,  loop_single_full_bb_p,
5964         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
5965         build_loops_structure, get_sched_window): New.
5966         (generate_reg_moves): Return undo_replace_buff_elem and other
5967         fixes.
5968         (generate_prolog_epilog): Remove old loop versioning.
5969         (sms_schedule): Use loop information and loop_version.
5970         (sms_schedule_by_order): Split part of it to get_sched_window.
5971         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
5972         cfg_layout_finalize and free_dominance_info before/after SMS.
5973
5974 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
5975
5976         * cfghooks.c (lv_flush_pending_stmts,
5977         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
5978         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
5979         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
5980         lv_add_condition_to_bb,
5981         lv_adjust_loop_header_phi, extract_cond_bb_edges,
5982         flush_pending_stmts): New in cfg_hooks structure.
5983         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
5984         extract_cond_bb_edges, lv_adjust_loop_header_phi,
5985         lv_add_condition_to_bb): New declarations.
5986         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
5987         bool.
5988         (loop_version): Declare.
5989         * cfgloopmanip.c (cfghooks.h): Include.
5990         (duplicate_loop_to_header_edge): Change return type to bool.
5991         (loop_version, lv_adjust_loop_entry_edge): Move here.
5992         * cfgrtl.c (cfgloop.h): Include.
5993         (rtl_verify_flow_info_1): Fix.
5994         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
5995         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
5996         initialization.
5997         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
5998         tree_lv_add_condition_to_bb): New.
5999         (tree_cfg_hooks): Add new hooks to initialization.
6000         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
6001         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
6002
6003 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
6004
6005         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
6006         xstormy16_below100_or_register,
6007         xstormy16_splittable_below100_or_register, and
6008         nonimmediate_nonstack_operand.
6009
6010         * config/stormy16/stormy16-protos.h: Remove the prototypes for
6011         xstormy16_ineqsi_operator, equality_operator,
6012         inequality_operator, shift_operator,
6013         xstormy16_below100_operand, xstormy16_below100_or_register,
6014         xstormy16_splittable_below100_or_register,
6015         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
6016         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
6017         equality_operator, inequality_operator,
6018         xstormy16_below100_operand, xstormy16_below100_or_register,
6019         xstormy16_splittable_below100_or_register,
6020         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
6021         nonimmediate_nonstack_operand, shift_operator): Move to
6022         predicates.md.
6023         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
6024         * config/stormy16/stormy16.md: Include predicates.md.
6025         * config/stormy16/predicates.md: New.
6026
6027 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
6028
6029         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
6030         small_int, large_int, reg_or_0_operand, simple_memory_operand,
6031         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
6032         move_operand, power_of_2_operand): Move to predicates.md.
6033         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
6034         PREDICATE_CODE): Remove.
6035         * config/iq2000/iq2000.md: Include predicates.md.
6036         * config/iq2000/predicates.md: New.
6037
6038 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
6039
6040         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
6041         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
6042         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
6043         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
6044         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
6045         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
6046         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
6047         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
6048         (TARGET_M68HC11): Delete.
6049         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
6050         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
6051         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
6052         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
6053         (nb_soft_regs): Delete.
6054         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
6055         (m68hc11_override_options): Remove the code that caters for MASK_M6811
6056         and MASK_M6812 being set simultaneously.  Change the code that sets
6057         the default m68hc11_soft_reg_count to use integers instead of strings.
6058         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
6059         m68hc11_soft_reg_count (which now has an int type) as the number
6060         of soft registers.
6061         * config/m68hc11/m68hc11.opt: New file.
6062
6063 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
6064
6065         * config/fr30/fr30.h (PREDICATE_CODES): Remove
6066         fp_displacement_operand, sp_displacement_operand.
6067
6068         * config/m68hc11/m68hc11-protos.h: Add a prototype for
6069         m68hcc_auto_inc_p.
6070         Remove the prototypes for tst_operand, cmp_operand,
6071         stack_register_operand, d_register_operand,
6072         hard_addr_reg_operand, splitable_operand,
6073         m68hc11_logical_operator, m68hc11_arith_operator,
6074         m68hc11_non_shift_operator, m68hc11_shift_operator,
6075         m68hc11_unary_operator, m68hc11_eq_compare_operator,
6076         non_push_operand, hard_reg_operand, and
6077         reg_or_some_mem_operand.
6078         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
6079         extern.
6080         (tst_operand, cmp_operand, non_push_operand,
6081         splitable_operand, reg_or_some_mem_operand,
6082         stack_register_operand, d_register_operand,
6083         hard_addr_reg_operand, hard_reg_operand,
6084         m68hc11_eq_compare_operator, m68hc11_logical_operator,
6085         m68hc11_arith_operator, m68hc11_non_shift_operator,
6086         m68hc11_shift_operator, m68hc11_unary_operator): Move to
6087         predicates.md.
6088         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
6089         * config/m68hc11/m68hc11.md: Include predicates.md.
6090         * config/m68hc11/predicates.md: New.
6091
6092 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6093
6094         PR debug/19345
6095         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
6096         change checked in along with 2005-03-03's patch for debug/20253.
6097         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
6098         (remap_decl): Insert type decl in map earlier.
6099
6100 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6101
6102         PR tree-optimization/20640
6103         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
6104         post-dominator if it has phi nodes.
6105         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
6106         before dead statements.
6107
6108 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6109
6110         PR middle-end/20491
6111         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
6112
6113 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6114
6115         PR rtl-optimization/20290
6116         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
6117         in every iteration if the entry point is the exit test.
6118
6119 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
6120
6121         * config/cris/cris.md (attribute "length"): Define.
6122
6123 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
6124
6125         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
6126         (word_offset_memref_operand): New.
6127         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
6128         (indexed_or_indirect_operand): Delete.
6129         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
6130         (indexed_or_indirect_operand): Delete.
6131
6132         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
6133
6134         PR 20650
6135         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
6136         a register.
6137
6138         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
6139         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
6140
6141 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6142
6143         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
6144
6145 2005-04-01  Ian Lance Taylor  <ian@airs.com>
6146
6147         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
6148         (rus, prus): Remove static variables.
6149         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
6150         (process_command): Permit report_times and use_pipes together.
6151
6152 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
6153
6154         * c-decl.c (validate_proto_after_old_defn): Look at
6155         TYPE_MAIN_VARIANT of argument types.
6156
6157 2005-04-01  Paul Brook  <paul@codesourcery.com>
6158
6159         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
6160         (arm_output_function_epilogue): Allow call_via_SP.
6161         (thumb_call_via_reg, arm_file_end): Ditto.
6162         * config/arm/arm.h (struct machine_function): Include space for SP.
6163         (thumb_call_via_label): Update declaration.
6164
6165 2005-04-01  Ian Lance Taylor  <ian@airs.com>
6166
6167         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
6168         doing a peephole optimization, once again put any notes in the
6169         proper position.
6170
6171 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6172
6173         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
6174
6175 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
6176
6177         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
6178         (block_alloc, find_free_reg): Likewise.
6179         * loop-doloop.c (doloop_modify): Likewise.
6180         * loop-invariant.c (record_use): Likewise.
6181         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
6182         get_iv_value, canon_condition, eliminate_implied_condition,
6183         eliminate_implied_condition, simplify_using_initial_values,
6184         shorten_into_mode, canonicalize_iv_subregs,
6185         iv_number_of_iterations): Likewise.
6186         * loop-unroll.c (expand_var_during_unrolling): Likewise.
6187         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
6188         unswitch_loop): Likewise.
6189         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
6190         move_movables, replace_call_address, find_and_verify_loops,
6191         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
6192         record_giv, final_giv_value, general_induction_var,
6193         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
6194         loop_giv_dump): Likewise.
6195
6196         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
6197         GCOV_CHECK_WRITING): Remove.
6198         (gcov_position, gcov_rewrite): Use gcc_assert.
6199         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
6200         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
6201         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
6202         gcc_assert.
6203
6204 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6205
6206         * tree-inline.c: Fix a typo.
6207
6208 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
6209
6210         * configure.ac (enable-checking): Explicitly set all variables for
6211         collective switch values.  Alphabetize variables. Rename
6212         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
6213         synonym for 'no'.
6214         * doc/install.texi (enable-checking): Update documentation.
6215         * configure: Rebuilt.
6216
6217 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6218
6219         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
6220         possible.
6221
6222 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
6223
6224         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
6225         Also reject cases where this pattern will cause load delay stalls
6226         unless optimizing for size and it will produce a shorter sequence.
6227         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
6228         variants to avoid pre-adjusting the base when possible.
6229
6230 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
6231
6232         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
6233         the frame and argument pointers.
6234         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
6235         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
6236         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
6237         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
6238         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
6239         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
6240
6241 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
6242
6243         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
6244         with entry for selectany attribute.
6245         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
6246         Declare.
6247         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
6248         (i386_pe_asm_named_section): Handle sections generated by
6249         selectany attribute.
6250         * doc/extend.texi (selectany): Document attribute.
6251
6252 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
6253             Jan Hubicka  <jh@suse.cz>
6254
6255         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
6256         to fix addresses involving EBP and ESP.
6257         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
6258         for SUBREGed registers.
6259         (legitimate_address_p): Accept SUBREGed registers.
6260
6261 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
6262
6263         PR c++/19406
6264         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
6265         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
6266         for FIELD_DECLs.
6267
6268 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6269
6270         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
6271
6272 2005-04-01  James E Wilson  <wilson@specifixinc.com>
6273
6274         PR c++/20505
6275         * dwarf2out.c (rtl_for_decl_init): New function.
6276         (rtl_for_decl_location): Extracted from here.
6277         (tree_add_const_value_attribute): Call rtl_for_decl_init and
6278         add_const_value_attribute.  Delete initializer_constant_valid_p call.
6279
6280 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6281
6282         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
6283         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
6284         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
6285         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
6286         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
6287         config/i386/i386.md, config/rs6000/predicates.md,
6288         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
6289         config/s390/s390.c, config/stormy16/stormy16.c,
6290         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
6291         typos.
6292
6293 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
6294
6295         PR c/17855
6296         * gimplify.c (gimplify_expr): Create a temporary for lvalue
6297         COND_EXPR and CALL_EXPR.
6298
6299 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
6300
6301         PR target/20632
6302         * genautomata.c (first_cycle_unit_presence): Check all alternative
6303         states for unit presence.
6304
6305         * doc/md.texi: Remove remark about impossibility to query unit
6306         presence in non nondeterministic automaton state.
6307
6308         * config/ia64/ia64.c (get_template): Change order of unit querying.
6309
6310 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
6311
6312         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
6313         obsolete comment.
6314
6315 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
6316
6317         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
6318         flag for edges outside any loops.
6319
6320 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
6321
6322         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
6323
6324 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
6325
6326         * tree-ssa-alias.c: Follow spelling conventions.
6327         * doc/tree-ssa.texi: Fix a typo.
6328
6329 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
6330
6331         * postreload-gcse.c: Include target.h.
6332         (gcse_after_reload_main): Return early if we cannot modify jumps.
6333         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
6334
6335 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
6336
6337         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
6338         expensive operations.
6339
6340 2005-03-31  Ian Lance Taylor  <ian@airs.com>
6341
6342         * collect2.c (lderrout): New variable.
6343         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
6344         if it is set, to stderr.
6345         (handler): Unlink lderrout if it is set.
6346         (dump_file): Add "to" parameter.  Change all callers.
6347         (main): Initialize lderrout.
6348         (collect_execute): Add errname parameter.  Change all callers.
6349         Rename redir parameter to outname.  Never pass
6350         PEX_STDERR_TO_STDOUT to pex_run.
6351         * collect2.h (collect_execute, dump_file): Update declarations.
6352         * tlink.c (tlink_execute): Add errname parameter.  Change all
6353         callers.
6354         (do_tlink): Check lderrout as well as ldout.
6355
6356 2005-03-31  Caroline Tice  <ctice@apple.com>
6357
6358         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
6359         (bb-reorder.o): Add errors.h to list of requirements.
6360         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
6361         profiledbootstrap flags.
6362         * bb-reorder.c (errors.h): Add new include.
6363         (struct bbro_basic_block_data_def): Add new field, in_trace.
6364         (add_unlikely_executed_notes):  Remove function.
6365         (mark_bb_for_unlikely_executed_section): Remove function.
6366         (insert_section_boundary_note): New function.
6367         (verify_hot_cold_block_grouping): New function.
6368         (push_to_next_round_p): Remove variables and tests that push all
6369         cold blocks to last round.
6370         (find_traces): Remove code that added extra round of trace finding
6371         when doing partitioning.
6372         (find_traces_1_round) :  Remove variable last_round;  add code to
6373         update new struct field, in_trace; correct trace_length where it was
6374         incorrect before (after call to copy_bb); change code that pushed all
6375         cold blocks to last round. Instead verify that all blocks going into
6376         a trace belong in the same partition.
6377         (connect_traces): Modify to connect the traces in two passes, if the
6378         function contains both hot and cold blocks.  The first pass connects
6379         all the traces for blocks in the partition that the first block in
6380         the function belongs to; the second pass connnects all the traces
6381         containing blocks that belong in the other partition.
6382         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
6383         code that automatically put the first block in a function into the
6384         hot partition if the function had any hot blocks.
6385         (fix_crossing_unconditional_branches): Check number of succ edges
6386         before attempting to get one.
6387         (fix_edges_for_rarely_executed_code):  Update comment describing
6388         function.
6389         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
6390         remove call to add_unlikely_executed_notes; add call to
6391         verify_hot_cold_block_grouping.
6392         (duplicate_computed_gotos): Don't change computed goto if it's a
6393         crossing edge.
6394         (partition_hot_cold_basic_blocks):  Update function comment.
6395         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
6396         condition.
6397         (try_forward_edges): Likewise.
6398         (merge_blocks_move_predecessor_nojumps): Likewise.
6399         (merge_blocks_move_successor_nojumps): Likewise.
6400         (merge_blocks_move): Likewise.
6401         (try_crossjump_bb): Likewise.
6402         * cfglayout.c (update_unlikely_executed_notes): Remove function.
6403         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
6404         notes to cold bb's; remove call to update_unlikely_executed_notes.
6405         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
6406         NOTE_INSN_SWITCH_TEXT_SECTIONS.
6407         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
6408         function declaration.
6409         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
6410         from consideration.
6411         (rtl_can_merge_blocks): Remove redundancy from condition.
6412         (try_redirect_by_replacing_jump): Likewise.
6413         (force_nonfallthru_and_redirect): Remove code for adding
6414         UNLIKELY_EXECUTED_CODE notes to cold bb's.
6415         (commit_one_edge_insertion): Likewise.
6416         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
6417         * dbxout.c (FORCE_TEXT): Replace function_section with
6418         current_function_section.
6419         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
6420         function, switch_text_section.
6421         (struct xcoff_debug): Likewise.
6422         (dbxout_function_end): Add code to put out label diffs for both
6423         hot and cold sections.
6424         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
6425         for new debug_hooks funciton, switch_text_section..
6426         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
6427         switch_text_section.
6428         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
6429         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
6430         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
6431         dw_fde_switched_sections.
6432         (output_call_frame_info):  Add test to see if function switches text
6433         sections in the middle; if so, use appropriate extra hot and cold
6434         section labels to compute size deltas for the hot and cold sections.
6435         (dwarf2out_begin_prologue): Add code to initialize new fields in
6436         dw_fde_struct.
6437         (dwarf2out_switch_text_section): New function (invoked through
6438         debug_hook); updates new fields in dw_fde_struct appropriately and
6439         increments separate_line_info_table_in_use.
6440         (dwarf2_debug_hooks): Initialize switch_text_section function to be
6441         dwarf2out_switch_text_section.
6442         (struct var_loc_node): Add new field, section_label.
6443         (output_aranges): Add code to check whether in hot or cold section and
6444         use the appropriate label in calculating deltas.
6445         (output_ranges): Likewise.
6446         (output_line_info): Add code to check which section we're in and
6447         use appropriate hot/cold label.
6448         (add_location_or_constant_value_attribute): Likewise.
6449         (gen_subprogam_die): Modify arange attributes to use correct labels.
6450         (dwarf2out_begin_block): Change call to function_section into call to
6451         current_function_section.
6452         (dwarf2out_end_block): Likewise.
6453         (dwarf2out_source_line): Likewise.
6454         (dwarf2out_var_location): Add code to check whether in hot or cold
6455         section and use the appropriate label.
6456         * except.c (output_function_exception_table): Change call to
6457         function_section into call to current_function_section.
6458         * final.c (profile_function): Likewise.
6459         (scan_ahead_for_unlikely_executed_note): Remove function.
6460         (final_scan_insn):  Remove calls to
6461         scan_ahead_for_unlikely_executed_note, and related code for switching
6462         to cold section, except for the single time
6463         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
6464         debug_hooks->switch_text_sections; replace appropriate calls to
6465         function_section with calls to current_function_section.
6466         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
6467         test_bb to condition.
6468         (find_if_case_2): Likewise.
6469         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
6470         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
6471         * opts.c (decode_options): Change warning about hot/cold partitioning
6472         with exceptionss to inform (so as not to cause bootstrap failures);
6473         remove warning about partitioning with DWARF debug info.
6474         * output.h (current_function_section): Add new function decl.
6475         (insert_section_boundary_note): Likewise.
6476         (enum in_section): Move this declaration here from varasm.c.
6477         (unlikely_section_label): Likewise.
6478         (unlikely_text_section_name): Likewise.
6479         (last_text_section_name): New global variable.
6480         (last_text_section): Likewise.
6481         (hot_section_label): Likewise.
6482         (hot_section_end_label): Likewise.
6483         (cold_section_end_label): Likewise.
6484         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
6485         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
6486         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
6487         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
6488         insn from consideration.
6489         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
6490         switch_text_section.
6491         * varasm.c (basic-block.h): Add new include.
6492         (unlikely_section_label_printed): Remove global variable.
6493         (unlikely_section_label): Make global variable not be static any more.
6494         (unlikely_text_section_name): Likewise.
6495         (hot_section_end_label): New global variable (not static)
6496         (first_function_block_is_cold): Likewise.
6497         (hot_section_label): Likewise.
6498         (cold_section_end_label): Likewise..
6499         (last_text_section): New global variable, not static.
6500         (last_text_section_name): New global variable, not static.
6501         (initialize_cold_section_name): New function.
6502         (enum in_section): Move declaration to output.h.
6503         (text_section): Update last_text_section.
6504         (unlikely_text_section): Replace code to determine cold section name
6505         with call to initialize_cold_section_name; Add code to update
6506         last_text_section; remove code for printing out label.
6507         (named_section_real): Add code to update last_text_section and
6508         last_text_section_name as appropriate.
6509         (function_section): Change test for 'unlikely' to depend on
6510         first_function_block_is_cold (moved old test to
6511         current_function_section).
6512         (current_function_section): New function.
6513         (assemble_start_function): Move code that frees
6514         unlikely_text_section_name; initialize hot_section_end_label;
6515         print hot and cold section labels at the start of the function;
6516         set first_function_block_is_cold, if appropriate; initialize l
6517         ast_text_section; add call to insert_section_boundary_note.
6518         (assemble_end_function):  Add code to write out hot and cold section
6519         end labels.
6520         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
6521         switch_text_section.
6522         * config/darwin.c (machopic_select_section): Replace incorrect
6523         function in base_funs; update reloc for cold sections if necessary.
6524         * config/darwin.h (SECTION_FUNCTION):  Add code to update
6525         last_text_section if appropriate.
6526         (text_unlikely_section): Remove.
6527         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
6528         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
6529         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
6530         partitioning for this architecture.
6531
6532 2005-03-31  Olivier Hainque  <hainque@adacore.com>
6533
6534         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
6535         defined and non-zero.
6536
6537 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6538
6539         PR c++/18644
6540         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
6541         semantics.
6542
6543 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
6544
6545         PR target/20611
6546         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
6547         label operand.  Remove (use (unspec..)).  Don't emit a label on
6548         the offset word.
6549         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
6550         generate inline label for load_toc_v4_PIC_1b.
6551         (rs6000_emit_load_toc_table): Likewise.
6552
6553 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
6554
6555         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
6556         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
6557
6558 2005-03-29  Devang Patel  <dpatel@apple.com>
6559
6560         * tree-sra.c (decide_block_copy): Disable scalarization of
6561         sub-elements.
6562
6563 2005-03-30  Stuart Hastings  <stuart@apple.com>
6564             Dale Johannesen  <dalej@apple.com>
6565
6566         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
6567         * print-tree.c (print_node):  Add case STATEMENT_LIST.
6568
6569 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
6570
6571         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
6572         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
6573         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
6574         is given with "powerpc64*" or "all", or when --with-cpu chooses
6575         a 64-bit cpu.
6576
6577 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
6578
6579         PR debug/20268
6580         * dwarf2out.c (add_high_low_attributes): New function, extracted from
6581         gen_lexical_block_die.
6582         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
6583
6584 2005-03-31  Jan Hubicka  <jh@suse.cz>
6585
6586         2004-11-02  Jan Hubicka  <jh@suse.cz>
6587
6588         * cgraph.c (cgraph_varpool_node_name): New function.
6589         (dump_cgraph_varpool_node): New function.
6590         (dump_varpool): New function.
6591         * cgraphunit.c (cgraph_optimize): Dump varpool.
6592
6593         2004-10-16  Jan Hubicka  <jh@suse.cz>
6594
6595         * cgraph.c (decide_is_variable_needed): New function.
6596         (cgraph_varpool_finalize_decl): Use it.
6597         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
6598         unit-at-a-time.
6599         * final.c (output_addr_const): Do not call mark_referenced.
6600         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
6601         always go via cgraph.
6602         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
6603         (check_global_declarations): Ifdef out code clearing DECL_RTL.
6604         * tree-optimize.c (execute_inline): Mark functions called.
6605         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
6606
6607         2004-10-11  Jan Hubicka  <jh@suse.cz>
6608
6609         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
6610         (cgraph_varpool_last_needed_node): New static variable.
6611         (enqueue_needed_varpool_node): Break out from ...; add items to the
6612         end of queue; update first pointers.
6613         (cgraph_varpool_mark_needed_node): ... here.
6614         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
6615         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
6616         * cgraph.h (cgraph_varpool_node): Add analyzed field.
6617         (cgraph_varpool_first_unanalyzed_node): Declare.
6618         * cgraphunit.c: Include output.h.
6619         (cgraph_varpool_analyze_pending_decls): New function.
6620         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
6621         for errors, analyze pending decls.
6622         (cgraph_finalize_compilation_unit): Only analyze decls.
6623         (cgraph_optimize): Assemble the decls after expanding.
6624
6625 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
6626
6627         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
6628         subvars get marked properly in tags for grouping.
6629         (add_pointed_to_var): Mark only actual pointed to
6630         variables/subvars in addresses needed.
6631         (create_overlap_variables_for): Clear call clobbered on original
6632         variable.
6633         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
6634         addresable vars with subvars into list.
6635         * tree-ssa.c (verify_ssa_name): Verify original is not used where
6636         subvar should be.
6637
6638 2005-03-30  Richard Henderson  <rth@redhat.com>
6639
6640         * cgraph.h (struct cgraph_node): Add alias.
6641         * varasm.c (assemble_alias): Set it.
6642         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
6643         avoid calling cgraph_expand_function.
6644
6645 2005-03-30  Tom Tromey  <tromey@redhat.com>
6646
6647         * tree.def (FILE_TYPE): Removed.
6648         * typeclass.h (enum type_class): Removed file_type_class.
6649         * dwarf2out.c (is_base_type): Updated.
6650         (gen_type_die): Likewise.
6651         * dbxout.c (dbxout_type): Updated.
6652         * builtins.c (type_to_class): Updated.
6653         * tree.c (type_contains_placeholder_1): Updated.
6654         * config/sparc/sparc.c (sparc_type_code): Updated.
6655         * config/ia64/ia64.c (hfa_element_mode): Updated.
6656         * expr.c (count_type_elements): Updated.
6657         * stor-layout.c (layout_type): Updated.
6658         * tree-inline.c (remap_type): Updated.
6659         * tree-pretty-print.c (dump_generic_node): Updated.
6660
6661 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
6662
6663         * builtins.c (expand_builtin_powi): Fix mode of
6664         2nd argument to match int.
6665         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
6666         2nd argument type to int.
6667         * libgcc2.c: Change prototype of __powi* functions to use
6668         int.
6669
6670 2005-03-30  Dale Johannesen  <dalej@apple.com>
6671
6672         PR middle-end/19225
6673         * calls.c (expand_call):  Flush pending deferrals before
6674         throwing call.
6675
6676 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
6677
6678         PR c/772
6679         PR c/17913
6680         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
6681         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
6682         c_label_context, label_context_stack): New.
6683         * c-decl.c (define_label): Check for jumps into statement
6684         expressions.  Add label to list of defined labels.
6685         (start_function): Push context on label_context_stack.
6686         (finish_function): Pop context from label_context_stack.
6687         * c-typeck.c (label_context_stack): New.
6688         (c_finish_goto_label): Check for jumps into statement
6689         expressions.  Add label to list of jumped to labels.
6690         (struct c_switch): Add blocked_stmt_expr.
6691         (c_start_case): Initialize it.
6692         (do_case): Check it.
6693         (c_finish_case): Verify !blocked_stmt_expr.
6694         (c_begin_stmt_expr):  Push context on label_context_stack.
6695         Increment blocked_stmt_expr.  Mark labels jumped to from outside
6696         as undefinable.
6697         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
6698         defined in the statement expression and no longer jumpable to.
6699         Mark labels jumped to from just outside the statement expression
6700         as again definable.  Pop context from label_context_stack.
6701         * doc/extend.texi (Statement Exprs): Update.
6702
6703 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
6704
6705         PR c/20368
6706         * c-decl.c (start_function): Check for old_decl being
6707         error_mark_node.
6708
6709 2005-03-30  Ian Lance Taylor  <ian@airs.com>
6710
6711         * final.c (final): Remove prescan parameter.  Change all callers.
6712         (final_scan_insn): Remove prescan parameter.  Change all callers.
6713
6714 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
6715
6716         * tree-vectorizer.c: Fix comment typos.
6717
6718 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
6719
6720         * tree-scalar-evolution.c (instantiate_parameters_1): Return
6721         as soon as a chrec_dont_know is detected.
6722
6723 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
6724
6725         Merge from csl-arm-branch.
6726         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
6727
6728         * tlink.c (recompile_files): Do not assume that "rename" can
6729         overwrite an existing file.
6730
6731 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
6732
6733         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
6734         * gcc/configure: Regenerate.
6735
6736 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
6737
6738         * doc/install.texi: Update binutils requirement for powerpc*-linux.
6739
6740         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
6741
6742         * calls.c (struct arg_data): Update "partial" comment.
6743         (load_register_parameters): Update "nregs" comment.
6744
6745 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6746
6747         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
6748         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
6749         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
6750         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
6751         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
6752         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
6753         than target_flags & 0.
6754         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
6755         (iq2000_arch, iq2000_parse_cpu): Delete.
6756         (TARGET_HANDLE_OPTION): Override default.
6757         (iq2000_handle_option): New function.
6758         (override_options): Remove -march= and -mcpu= handling.
6759         * config/iq2000/iq2000.opt: New file.
6760
6761 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6762
6763         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
6764         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
6765         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
6766         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
6767         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
6768         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
6769         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
6770         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
6771         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
6772         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
6773         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
6774         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
6775         (c4x_rpts_cycles_string, c4x_cpu_version_string)
6776         (TARGET_OPTIONS): Delete.
6777         (c4x_rpts_cycles, c4x_cpu_version): Declare.
6778         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
6779         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
6780         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
6781         (c4x_cpu_version_string): Delete.
6782         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6783         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
6784         equivalent -mcpu= option.
6785         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
6786         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
6787         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
6788         or clearing the appropriate MASK_* bit.
6789         (c4x_file_start): Use c4x_cpu_version.
6790         * config/c4x/c4x.opt: New file.
6791
6792 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6793
6794         * doc/options.texi: Document the new MaskExists flag.
6795         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
6796         if the option has the MaskExists flag.
6797
6798 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6799
6800         * opt-functions.awk (flag_set_p, test_flag): New functions.
6801         (switch_flags): Use them.
6802         * opth-gen.awk: Use flag_set_p to check for flags.
6803         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
6804
6805 2005-03-30  Ian Lance Taylor  <ian@airs.com>
6806
6807         * config.host (i[34567]86-*-mingw32*): Don't set
6808         host_can_use_collect2 to no.
6809
6810 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
6811
6812         PR target/20203
6813         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
6814         Remove convert_memory_address call duplicating that in memory_address.
6815
6816 2005-03-29  Richard Henderson  <rth@redhat.com>
6817
6818         PR c/20519
6819         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
6820         (build_compound_literal): Likewise.  Propagate decl type into the
6821         initializer.
6822         (finish_decl): Likewise.  Use new return value from complete_array_type
6823         for zero sized arrays.
6824         (complete_array_type): Move ...
6825         * c-common.c (complete_array_type): ... here.  Change first argument
6826         to pointer-to-type-node.  Consistently use sizetype for the index
6827         except for zero sized arrays.  Detect zero sized arrays for pedantic
6828         mode diagnostics.  Create a new type node instead of modifying the
6829         old node in place.
6830         * c-tree.h (complete_array_type): Move decl ...
6831         * c-common.h (complete_array_type): ... here.
6832
6833 2005-03-29  Richard Henderson  <rth@redhat.com>
6834
6835         PR tree-opt/19108
6836         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
6837
6838 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
6839
6840         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
6841         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
6842         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
6843         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
6844
6845 2005-03-29  Eric Christopher  <echristo@redhat.com>
6846
6847         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
6848         truthvalue conversion removal.
6849
6850 2005-03-29  Ian Lance Taylor  <ian@airs.com>
6851
6852         PR bootstrap/14316
6853         * collect2.c: Never include <vfork.h>.
6854         (VFORK_STRING, vfork): Don't define.
6855         (pid): Remove global variable.
6856         (handler): Call raise instead of kill (getpid(), ...).
6857         (collect_wait): Add pex parameter.  Change all callers.  Use
6858         pex_get_status rather than pwait.
6859         (do_wait): Add pex parameter.  Change all callers.
6860         (collect_execute): Return struct pex_obj * rather than void.  Use
6861         pex routines rather than pexecute.
6862         (fork_execute): Get pex_obj from collect_execute, and pass it to
6863         do_wait.
6864         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
6865         Only declare quit_handler if SIGQUIT is defined.
6866         (scan_libraries): Likewise.
6867         * collect2.h (collect_execute): Update declaration.
6868         (collect_wait): Update declaration.
6869         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
6870         pass it to collect_wait.
6871
6872 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
6873
6874         PR c/20672
6875         * c-parser.c (c_parser_compound_statement_nostart): Give error
6876         message for EOF instead of just setting parser->error.
6877
6878 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
6879
6880         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
6881         (slpeel_update_phi_nodes_for_guard1): New function.
6882         (slpeel_update_phi_nodes_for_guard2): New function.
6883         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
6884         of slpeel_update_phi_nodes_for_guard.
6885         (vectorize_loops): Remove call to loop_closed_rewrite.
6886         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
6887         assertion.
6888
6889 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
6890
6891         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
6892         (TARGET_LITTLE_ENDIAN): New macro.
6893         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
6894         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
6895         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
6896         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
6897         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
6898         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
6899         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
6900         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
6901         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
6902         (TARGET_OPTIONS): Delete.
6903         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
6904         (CACHE_FLUSH_TRAP): Turn into an integer.
6905         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
6906         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
6907         -mflush-trap is in use.
6908         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
6909         (m32r_cache_flush_trap_string): Delete.
6910         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
6911         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
6912         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
6913         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6914         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
6915         -mmodel= and -msdata= handling from...
6916         (m32r_init): ...here.
6917         * config/m32r/m32r.opt: New file.
6918
6919 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
6920
6921         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
6922         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
6923         * tree-vect-analyze.c (vect_object_analysis): additional parm
6924         pass back a "struct ptr_info_def *" with the points-to info.
6925         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
6926         statement using info returned from vect_object_analysis.
6927         * tree-vect-transform.c (update_vuses_to_preheader): New function.
6928         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
6929         for virtual uses and defs when creating a replacement vector
6930         reference.  Call duplicate_ssa_name_ptr_info to define points-to
6931         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
6932         (vectorizable_store): copy_virtual_operands and update
6933         definition statements.
6934         (vectorizable_load): copy_virtual_operands.  Remove call to
6935         mark_call_clobbered_vars_to_rename for call to "const" builtin.
6936         * tree-vectorizer.c (vectorize_loops): Remove calls to
6937         rewrite_into_ssa and bitmap_clear (vars_to_rename).
6938         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
6939         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
6940         define macro STMT_VINFO_PTR_INFO for use in accessing.
6941         * tree.h add export of duplicate_ssa_name_ptr_info.
6942         * rs6000.c (altivec_init_builtins): Declare builtin function
6943         __builtin_altivec_mask_for_load to be "const".
6944
6945 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
6946
6947         PR middle-end/20622
6948         * cgraph.h (struct cgraph_varpool_node): Add alias field.
6949         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
6950         assemble_variable on aliases.
6951         * varasm.c (assemble_alias): Set node->alias.
6952         * toplev.c (wrapup_global_declarations): Don't call
6953         rest_of_decl_compilation on aliases again.
6954
6955 2005-03-29  Paul Brook  <paul@codesourcery.com>
6956
6957         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
6958         * config/arm/arm.c (arm_dbx_register_number): New function.
6959         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
6960
6961 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
6962
6963         PR middle-end/20263
6964         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
6965         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
6966
6967 2005-03-29  Dale Johannesen <dalej@apple.com>
6968
6969         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
6970         $(TREE_H) and $(COVERAGE_H).
6971         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
6972         * opts.c (common_handle_option): Enable tree-based value transforms.
6973         * toplev.c (process_options): Ditto.
6974         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
6975         refers to references to this type.
6976         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
6977         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
6978         for may_be_more, may_be_less.
6979         (rtl_gen_pow2_profiler): Adjust.
6980         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
6981         (rtl_gen_one_value_profiler): Adjust.
6982         (rtl_gen_const_delta_profiler): Adjust.
6983         * tree-profile.c (tree_gen_interval_profiler): Implement.
6984         (tree_gen_pow2_profiler): Ditto.
6985         (tree_gen_one_value_profiler): Ditto.
6986         (tree_profiling): New.
6987         (pass_tree_profile): Reference it.
6988         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
6989         tree.h, gcov-io.h.
6990         (insn_divmod_values_to_profile): Rename to
6991         rtl_divmod_values_to_profile. Adjust.
6992         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
6993         (insn_prefetch_values_to_profile): Adjust.
6994         (rtl_value_profile_transformations): Adjust.
6995         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
6996         (gen_mod_pow2): Rename to rtl_mod_pow2.
6997         (gen_mod_subtract): Rename to rtl_mod_subtract.
6998         (divmod_fixed_value_transform): Rename to
6999         rtl_divmod_fixed_value_transform.
7000         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
7001         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
7002         (rtl_find_values_to_profile): Adjust.
7003         (tree_value_profile_transformations): Implement.
7004         (tree_divmod_values_to_profile): New.
7005         (tree_values_to_profile): New.
7006         (tree_divmod_fixed_value): New.
7007         (tree_mod_pow2): New.
7008         (tree_mod_subtract): New.
7009         (tree_divmod_fixed_value_transform): New.
7010         (tree_mod_pow2_value_transform): New.
7011         (tree_mod_subtract_transform): New.
7012         (tree_find_values_to_profile): Implement.
7013         * profile.c (instrument_values):  Free histograms.
7014         (compute_value_histograms): Adjust. Implement tree version.
7015
7016 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
7017
7018         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
7019         * config/i386/i386.c (output_fix_trunc): Add new round_mode
7020         variable.  Output "fldcw" depending on round_mode.
7021         * config/i386/i386.md (UNSPEC_FIST): New.
7022         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
7023         New isns patterns to implement lrint and llrint built-ins as x87
7024         intrinsic function.
7025         (fistdi2, fist<mode>2 splitters): New splitters.
7026         (lrint<mode>2): New expanders.
7027
7028 2005-03-28  Ian Lance Taylor  <ian@airs.com>
7029
7030         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
7031         0 when calling final_scan_insn.
7032
7033 2005-03-28  Jan Hubicka  <jh@suse.cz>
7034
7035         PR middle-end/20635
7036         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
7037         as needed.
7038
7039         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
7040         types where possible.
7041
7042 2005-03-26  Per Bothner  <per@bothner.com>
7043
7044         Make -f[no-]show-column also control non-cpp diagnostics.
7045         * c.opt (fshow-column): Move option from here ...
7046         * common.opt (fshow-column): ... to here.
7047         * diagnostic.c (diagnostic_build_prefix): Only print column number
7048         if flag_show_column.
7049
7050 2005-03-27  Steven Bosscher  <stevenb@suse.de>
7051
7052         * vax-protos.h (vax_output_int_move, vax_output_int_add,
7053         vax_output_conditional_branch): New prototypes.
7054         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
7055         extracted from vax.md mov and add patterns.
7056         (vax_output_conditional_branch): New function to output conditional
7057         branch instructions.
7058         * vax.md: Use mode macros for arithmetic and mov patterns.
7059         Use code macros for the jump patterns.
7060
7061 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
7062
7063         * Makefile.in (libbackend.o): Depend on version files;
7064         add custom generation command.
7065
7066 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
7067
7068         PR target/20636
7069         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
7070         sure that we have a REG before getting its REGNO.
7071
7072 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7073
7074         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
7075         * builtins.def (BUILT_IN_STRNDUP): New.
7076
7077 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
7078
7079         PR tree-optimization/20470
7080         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
7081         ABS(x-y).
7082
7083 2005-03-25  Mike Stump  <mrs@apple.com>
7084
7085         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
7086         sized objects.
7087
7088 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
7089
7090         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
7091         Use our own structure definitions.
7092
7093         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
7094         (fix_truncdfsi2): Allow registers or memory as destination.
7095         When TARGET_PPC_GFXOPT, generate simplified pattern.
7096         (fix_truncdfsi2_internal): Use define_insn_and_split.
7097         (fix_truncdfsi2_internal_gfxopt): New.
7098         (fctiwz): Don't confuse register allocation by giving it no choices.
7099         (stfiwx): New.
7100         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
7101         (EXTRA_MEMORY_CONSTRAINT): Likewise.
7102         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
7103         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
7104
7105 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
7106
7107         * dominance.c (free_dominance_info): Speed up by freeing et
7108         data structures without maintaining other nodes.
7109         * et-forest.c (et_free_tree_force): New.
7110         * et-forest.h: Add a prototype for et_free_tree_force.
7111
7112         * tree.c (get_set_constructor_bits,
7113         get_set_constructor_bytes): Remove.
7114         * tree.h: Remove the corresponding prototypes.
7115
7116 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
7117
7118         PR target/15491
7119         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
7120         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
7121         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
7122         PRE_DEC, NEG and NOT.
7123
7124 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
7125
7126         * fold-const.c: Convert uses of fold (build (...)) to
7127         fold_buildN.
7128
7129 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
7130
7131         PR rtl-optimization/20249
7132         * cse.c (insert_regs): Do not record equivalence of registers in
7133         different modes.
7134
7135 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
7136
7137         * emit-rtl.c (reverse_comparison): Remove.
7138         * rtl.h: Remove the corresponding prototype.
7139
7140 2005-03-24  James E Wilson  <wilson@specifixinc.com>
7141
7142         * doc/install.texi (--enable-altivec): Delete docs.
7143
7144 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
7145
7146         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
7147         SFmode and DFmode before reload when
7148         flag_unsafe_math_optimizations not enabled.
7149
7150 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
7151
7152         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
7153
7154         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
7155         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
7156
7157 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
7158
7159         * configure.ac (enable-checking): Add 'runtime' option.
7160         * doc/install.texi (enable-checking): Document 'runtime' checking.
7161         * tsystem.h (gcc_assert, gcc_unreachable): Define.
7162         * config.in: Regenerated.
7163         * configure: Regenerated.
7164
7165 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
7166
7167         * optabs.h (enum optab_index): Remove OTI_llrint.
7168         (llrint_optab): Remove macro.
7169         * optabs.c (init_optabs): Remove llrint_optab initialization.
7170         * genopinit.c (optabs): Remove llrint_optab implementation.
7171         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
7172         using lrint_optab.
7173
7174 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
7175
7176         PR rtl-optimization/20532
7177         * simplify-rtx.c (simplify_binary_operation_1): Protect from
7178         overflow when adding coefficients for PLUS or MINUS.
7179         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
7180         two as multiplier.
7181
7182 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
7183
7184         * langhooks.h (truthvalue_conversion): Remove.
7185         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
7186         LANG_HOOKS_TRUTHVALUE_CONVERSION.
7187         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
7188         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
7189         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
7190
7191 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
7192
7193         * params.def: Fix a typo.
7194         * config/mips/mips.c: Follow the spelling convensions.
7195         * doc/invoke.texi: Fix typos.
7196
7197 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
7198
7199         Fix PR tree-optimization/20601
7200
7201         * tree-ssa-pre.c (insert_aux): Add missing condition to
7202         constification.
7203
7204 2005-03-23  Ian Lance Taylor  <ian@airs.com>
7205
7206         * final.c (final_scan_insn): Don't remove no-op instructions.
7207         * reload1.c (reload): Remove simple no-op instructions even when
7208         not optimizing.
7209
7210 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
7211
7212         PR tree-optimization/20501
7213         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
7214         reporting that peeling for alignment is applied moved to...
7215         * (vect_analyze_data_refs_alignment): Here.
7216
7217 2005-03-23  Ian Lance Taylor  <ian@airs.com>
7218
7219         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
7220
7221 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7222
7223         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
7224         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
7225
7226 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
7227
7228         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
7229         imply that this is called once, independent of asms in code.
7230         Adjust to now being pased output and input lists.  Mention helper
7231         function decl_overlaps_hard_reg_set_p.
7232         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
7233         hook_tree_tree_identity and to take three trees, returning third.
7234         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
7235         prototype.
7236         * stmt.c: include hard-reg-set.h before tree.h.
7237         (decl_overlaps_hard_reg_set_p): New function, broken out from...
7238         (decl_conflicts_with_clobbers_p): Call
7239         decl_overlaps_hard_reg_set_p.
7240         (expand_asm_operands): Pass output and input lists in call to
7241         targetm.md_asm_clobbers.
7242         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
7243         hook_tree_tree_tree_tree_3rd_identity.
7244         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
7245         parameters.
7246         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
7247         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
7248         parameters, first two unused.
7249         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
7250         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
7251         in constraint letters and MOF is not mentioned as a asm-declared
7252         register in neither of the input and output lists.
7253
7254 2005-03-23  DJ Delorie  <dj@redhat.com>
7255
7256         * optabs.c (expand_binop): Make sure the first subword's result
7257         gets stored.
7258
7259 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
7260
7261         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
7262         Call c_common_truthvalue_conversion rather than
7263         lang_hooks.truthvalue_conversion.
7264         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
7265         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
7266         c-typeck.c.
7267         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
7268         c_common_truthvalue_conversion.
7269         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
7270         c_parser_conditional_expression, c_parser_binary_expression): Call
7271         c_objc_common_truthvalue_conversion.
7272         * c-typeck.c (build_unary_op): Call
7273         c_objc_common_truthvalue_conversion.
7274         (build_conditional_expr): Do not call
7275         lang_hooks.truthvalue_conversion.
7276         (build_binary_op): Call c_common_truthvalue_conversion.
7277         (c_objc_common_truthvalue_conversion): Moved from
7278         c-objc-common.c.  Call default_function_array_conversion instead
7279         of default_conversion.
7280
7281 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
7282
7283         * c-common.h (default_conversion): Remove.
7284         (perform_integral_promotions): Add.
7285         * c-tree.h (default_conversion): Add.
7286         * c-typeck.c (perform_integral_promotions): New, split out from
7287         default_conversion.
7288         * c-common.c (check_case_value): Use perform_integral_promotions,
7289         not default_conversion.
7290         (c_add_case_label): Don't continue processing case label after
7291         found to be pointer.
7292
7293 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
7294
7295         * gcc.c (do_spec_1): Do not add a -L path for a directory in
7296         the prefix list if we have already added a multilib directory
7297         based on that path.
7298         (main): Do not add MD_EXEC_PREFIX to the list of directories to
7299         search with -L.
7300
7301 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
7302
7303         * reload1.c (indirect_symref_ok, reload_obstack): Make them
7304         static.
7305         * reload.h: Remove the prototype for indirect_symref_ok.
7306
7307         * reload1.c (indirect_symref_ok): Make it global.
7308         * reload.h: Add a prototype for indirect_symref_ok.
7309
7310 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
7311
7312         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
7313         ashlhi3 expander.
7314
7315 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
7316
7317         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
7318
7319 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
7320
7321         * c-opts.c (c_common_parse_file): Only start/end main source file
7322         if debug hooks says the writer wants it.
7323         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
7324         member.
7325         (xcoff_debug_hooks): Ditto.
7326         * debug.c (do_nothing_hooks): Ditto.
7327         * debug.h (gcc_debug_hooks): Ditto.
7328         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
7329         * sdbout.c (sdb_debug_hooks): Ditto.
7330         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
7331
7332 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
7333
7334         * doc/extend.texi: Deprecate C++ min/max operators.
7335
7336 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
7337
7338         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
7339         artificial original candidates.
7340
7341 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
7342             Jan Hubicka  <jh@suse.cz>
7343             Steven Bosscher <stevenb@suse.de>
7344
7345         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
7346         call cost based on argument sizes.
7347         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
7348         inlining.
7349         * params.def: (max-inline-inssn-single): Set to 450.
7350         (max-inline-insns-auto): Set to 90.
7351         (max-inline-insns-recursive): Set to 450
7352         (max-inline-insns-recursive-auto): Set to 450.
7353         (large-function-insns): Set to 2700.
7354         (inline-call-cost): New parameter.
7355         * tree-inline.c (estimate_move_cost): New function.
7356         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
7357         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
7358         based on arguments.
7359         * tree-inline.h (estimate_move_cost): Declare.
7360         * invoke.texi: (max-inline-inssn-single): Change default to 450.
7361         (max-inline-insns-auto): Change default to 90.
7362         (max-inline-insns-recursive): Change default to 450
7363         (max-inline-insns-recursive-auto): Change default to 450.
7364         (large-function-insns): Change default to 2700.
7365         (inline-call-cost): Document new parameter.
7366
7367 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
7368
7369         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
7370         (TARGET_DEFAULT): Delete.
7371         * config/i860/i860.opt: New file.
7372
7373 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
7374
7375         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
7376         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
7377         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
7378         (frv_sched_lookahead): Delete.
7379         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
7380         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
7381         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
7382         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
7383         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
7384         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
7385         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
7386         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
7387         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
7388         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
7389         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
7390         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
7391         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
7392         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
7393         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
7394         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
7395         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
7396         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
7397         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
7398         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
7399         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
7400         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
7401         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
7402         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
7403         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
7404         (frv_sched_lookahead): Delete.
7405         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
7406         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7407         (frv_handle_option): New function.  Move -mcpu= handling from...
7408         (frv_override_options): ...here.  Remove handling of other
7409         TARGET_OPTIONS.
7410         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
7411         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
7412         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
7413         and TARGET_NO_MULTI_CE.
7414         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
7415         !TARGET_VLIW_BRANCH.
7416         * config/frv/frv.opt: New file.
7417
7418 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
7419
7420         * fold-const.c (fold_ternary): Take decomposed arguments of
7421         CALL_EXPR.
7422         (fold): Update a call to fold_ternary.
7423
7424         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
7425         * tree.h: Add corresponding prototypes.
7426
7427 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
7428
7429         PR target/20561
7430         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
7431         between jump table and its label.
7432         * final.c (shorten_branches): Handle notes in between ADDR_VEC
7433         resp. ADDR_DIFF_VEC and the label preceeding it.
7434         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
7435         is emitted in the right section.
7436
7437 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
7438
7439         * fold-const.c (fold_unary, fold_binary): Update comments
7440         about arguments.
7441
7442 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
7443
7444         PR rtl-optimization/20527
7445         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
7446         REG_INC note, test that the register also isn't mentioned in PRED
7447         or SUCC.
7448
7449 2005-03-22  Ben Elliston  <bje@au.ibm.com>
7450
7451         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
7452         and definition.
7453
7454 2005-03-21  Mike Stump  <mrs@apple.com>
7455
7456         * varasm.c (default_assemble_visibility): Remove extra ().
7457
7458 2005-03-21  Roger Sayle  <roger@eyesopen.com>
7459
7460         PR middle-end/20557
7461         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
7462         to determine whether a block can be duplicated, rather than test
7463         whether the block contains noncopyable insns ourselves.
7464
7465 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7466
7467         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
7468         predicates.
7469
7470 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
7471
7472         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
7473
7474 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
7475
7476         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
7477         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
7478         * config/fr30/fr30.opt: New file.
7479
7480 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
7481
7482         Fix PR tree-optimization/20542
7483
7484         * tree-flow-inline.h (overlap_subvar): Move to here.
7485         * tree-ssa-operands.c: From here.
7486         * tree-flow.h (overlap_subvar): Declare.
7487         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
7488         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
7489         for variables with subvars.
7490
7491 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
7492
7493         PR middle-end/20177
7494         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
7495         * modulo-sched.c (const_iteration_count): Return on NULL
7496         pre-header.
7497         (print_node_sched_params): Return on NULL dump_file.
7498         (generate_reg_moves): Handle reg-anti dependencies and disregard
7499         closing branch when generating register moves.
7500         (sms_schedule): Mark the SMSed block dirty.
7501         * passes.c (rest_of_handle_sms): Call update_life_info for all
7502         basic-blocks.
7503         * testsuite/gcc.dg/20050321-1.c: New test.
7504
7505 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
7506
7507         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
7508         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
7509         movqi_internal): Likewise.
7510
7511 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
7512
7513         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
7514         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
7515         xtensa_b4const): Delete prototypes.
7516         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
7517         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
7518         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
7519         xtensa_extra_constraint): New prototypes.
7520         (add_operand, arith_operand, nonimmed_operand, mem_operand,
7521         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
7522         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
7523         move_operand, const_float_1_operand, fpmem_offset_operand,
7524         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
7525         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
7526         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
7527         argument type to HOST_WIDE_INT.
7528         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
7529         xtensa_mask_immediate): Likewise.
7530         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
7531         Likewise.  Also make these functions static.
7532         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
7533         (xtensa_const_ok_for_letter_p): New.
7534         (add_operand, arith_operand, nonimmed_operand, mem_operand,
7535         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
7536         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
7537         move_operand, const_float_1_operand, fpmem_offset_operand,
7538         branch_operator, ubranch_operator, boolean_operator): Move to
7539         predicates.md.
7540         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
7541         (xtensa_mem_offset): Change return type to bool.
7542         (xtensa_extra_constraint): New.
7543         (gen_int_relational): Update type of const_range_p function pointer.
7544         Use xtensa_b4const_or_zero.
7545         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
7546         xtensa_const_ok_for_letter_p.  Update comments.
7547         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
7548         (PREDICATE_CODES): Delete.
7549         * config/xtensa/xtensa.md: Include predicates.md.
7550         * config/xtensa/predicates.md: New file.
7551
7552 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7553
7554         * config/v850/v850-protos.h: Remove the prototypes for
7555         reg_or_int9_operand, reg_or_const_operand,
7556         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
7557         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
7558         movsi_source_operand, power_of_two_operand,
7559         not_power_of_two_operand, special_symbolref_operand,
7560         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
7561         register_is_ok_for_epilogue.
7562         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
7563         reg_or_int9_operand, reg_or_const_operand,
7564         call_address_operand, special_symbolref_operand,
7565         movsi_source_operand, power_of_two_operand,
7566         not_power_of_two_operand, register_is_ok_for_epilogue,
7567         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
7568         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
7569         predicates.md.
7570         * config/v850/v850.h (PREDICATE_CODES): Remove.
7571         * config/v850/v850.md: Include predicates.md.
7572         * config/v850/predicates.md: New.
7573
7574 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
7575
7576         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
7577         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
7578         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
7579         (itoolsdir, itoolsdatadir): Move definition above new first use.
7580         (install-itoolsdirs): New rule.
7581         (install-mkheaders): Depend on install-itoolsdirs, not
7582         install-include-dir.
7583
7584 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7585
7586         * tree-into-ssa.c: Remove obsolete comments.
7587
7588 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
7589
7590         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
7591         unrolling if -fpeel-loops is specified, too.
7592         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
7593         Remove superfluous check for flag_unroll_loops.
7594
7595 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
7596
7597         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
7598         (lrint_optab, llrint_optab): Define corresponding macros.
7599         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
7600         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
7601         pattern and llrint_optab using llrintdi2 patterns.
7602         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
7603         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
7604         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
7605         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
7606         flag_unsafe_math_optimizations is set.
7607
7608 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
7609
7610         * combine.c (combine_simplify_rtx, simplify_if_then_else,
7611         simplify_logical, if_then_else_cond, known_cond,
7612         simplify_comparison): Adjust calls to reverse_comparison.
7613         Don't use combine_reversed_comparison_code).
7614         (combine_reversed_comparison_code): Remove.
7615         (reversed_comparison): Using reversed_comparison_code, move it...
7616         * jump.c (reversed_comparison): ... here.
7617         * rtl.h (reversed_comparison): Add prototype.
7618
7619 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7620
7621         * builtins.c (fold_builtin): Take decomposed arguments of
7622         CALL_EXPR.
7623         * fold-const.c (fold_ternary): Update a call to fold_builtin.
7624         * gimplify.c (gimplify_call_expr): Likewise.
7625         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
7626         * tree.h: Update the prototype of fold_builtin.
7627
7628 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
7629
7630         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
7631         * rtlhooks.c (gen_lowpart_no_emit_general): New.
7632         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
7633         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
7634         * simplify-rtx.c (simplify_binary_operation_1): Use it.
7635
7636 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7637
7638         * builtins.c (fold_builtin_1): Take decomposed arguments of
7639         CALL_EXPR.
7640         (fold_builtin): Update a call to fold_builtin_1.
7641
7642 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
7643
7644         PR other/20564
7645         * gcov.c (output_lines): Only output function block summary when
7646         outputting branch information.
7647         * doc/gcov.texi: Document format of preamble and additional block
7648         information lines.
7649
7650 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
7651
7652         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
7653         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
7654         the defaults false if BITS_PER_UNIT != 8.
7655         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
7656         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
7657         than BITS_PER_UNIT != 8.
7658         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
7659         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
7660         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
7661         #undefs.
7662         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
7663         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
7664
7665 2005-03-20  Roger Sayle  <roger@eyesopen.com>
7666
7667         PR middle-end/20539
7668         * fold-const.c (fold_binary): Fix type mismatch between
7669         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
7670         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
7671         for non-truth-valued expressions.
7672
7673         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
7674         and FUNCTION_DECL in the main switch.
7675         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
7676         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
7677         we also need to convert their operands to match.
7678         <TRUTH_NOT_EXPR>: Likewise.
7679
7680 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
7681
7682         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
7683         diagnostic without checking whether an lvalue.
7684         * c-common.h (lvalue_p): Remove.
7685         (enum lvalue_use): Update comment.
7686         (lvalue_or_else): Replace by lvalue_error.
7687         * c-typeck.c (lvalue_p): Make static.
7688         (lvalue_or_else): New.  Call lvalue_error.
7689
7690 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
7691
7692         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
7693         (function_arg_advance): Use rs6000_parm_start.
7694         (function_arg, rs6000_arg_partial_bytes): Likewise.
7695
7696 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
7697
7698         * c-common.c (check_case_value): Adjust comment about stripping
7699         NOPs.
7700         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
7701         * c-typeck.c (default_conversion, convert_arguments,
7702         build_modify_expr, convert_for_assignment, store_init_value,
7703         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
7704         manually.  Remove inaccurate comments.
7705
7706 2005-03-20  Roger Sayle  <roger@eyesopen.com>
7707             Joseph S. Myers  <joseph@codesourcery.com>
7708
7709         * varasm.c (do_assemble_alias): Restore comment describing function.
7710         Annotate the target parameter as potentially unused.
7711
7712 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
7713
7714         PR target/18551
7715         * config/avr/avr.c (avr_output_function_prologue): Do not use
7716         current_function_name() in a label, use a local label instead.
7717
7718 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
7719
7720         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
7721         flag_finite_math_only, not flag_unsafe_math_optimizations.
7722
7723 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
7724
7725         * builtins.c (fold_builtin_1): Update a call to
7726         targetm.fold_builtin.
7727         * hooks.c (hook_tree_tree_bool_null): Rename to
7728         hook_tree_tree_tree_bool_null.  Take one more argument of type
7729         tree.
7730         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
7731         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
7732         hook_tree_tree_tree_bool_null.
7733         * target.h (gcc_target): Update the prototype of fold_builtin.
7734         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
7735         arguments of CALL_EXPR.
7736         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
7737         new prototype.
7738
7739 2005-03-20  Jan Hubicka  <jh@suse.cz>
7740
7741         * cgraph.h (cgraph_node): Add prev_clone pointer.
7742         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
7743         (cgraph_clone_node): Produce doubly linked chain.
7744
7745 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
7746
7747         * c-common.c (handle_aligned_attribute, check_function_sentinel,
7748         get_nonnull_operand, handle_sentinel_attribute,
7749         check_function_arguments_recurse): Do not strip NOPS from
7750         INTEGER_CSTs.
7751         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
7752         Likewise.
7753         * c-format.c (get_constant): Likewise.
7754         * c-parser.c (c_parser_postfix_expression): Likewise.
7755         * c-typeck.c (set_init_index): Likewise.
7756         (convert_arguments): Don't check for NOP_EXPR containing integer
7757         constant.
7758
7759 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
7760
7761         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
7762         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
7763         Take decomposed arguments of CALL_EXPR.
7764         (fold_builtin_1): Update calls to the functions mentioned
7765         above.
7766
7767 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
7768
7769         * c-decl.c (check_bitfield_type_and_width): Require bit-field
7770         width to have integer type.
7771         (build_enumerator): Require enumerator value to have integer type.
7772
7773 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7774
7775         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
7776         to __builtin_inff.
7777
7778 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7779
7780         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
7781         std=iso9899:199x): Correct descriptions.
7782
7783 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7784
7785         * config.gcc: Consistently use solaris2.1[0-9]* instead of
7786         solaris2.1[0-9].
7787
7788 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
7789
7790         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
7791         of CALL_EXPR.
7792         (expand_builtin_memcpy, fold_builtin_1): Update calls to
7793         fold_builtin_memcpy.
7794
7795         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
7796         arguments of CALL_EXPR.
7797         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
7798         fold_builtin_found, fold_builtin_1): Update calls to
7799         fold_trunc_transparent_mathfn.
7800
7801 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7802
7803         PR middle-end/20493
7804         * fold-const.c (fold_widened_comparison): Don't optimize casts of
7805         function pointers on targets that require function pointer
7806         canonicalization.
7807         (fold_sign_changed_comparison): Likewise.
7808
7809 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
7810
7811         * combine.c (try_combine): When changing the mode of a hard reg, make
7812         sure that doing so is valid.
7813
7814 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
7815
7816         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
7817         (TARGET_HANDLE_OPTION): Override default.
7818         (avr_handle_option): New function.
7819         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
7820         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
7821         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
7822         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
7823         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
7824         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
7825         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
7826         (TARGET_OPTIONS): Delete.
7827         * config/avr/avr.opt: New file.
7828
7829 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7830
7831         * config/m32r/m32r-protos.h: Remove the prototypes for
7832         call_address_operand, symbolic_operand, seth_add3_operand,
7833         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
7834         reg_or_uint16_operand, reg_or_cmp_int16_operand,
7835         two_insn_const_operand, move_src_operand,
7836         move_double_src_operand, move_dest_operand,
7837         eqne_comparison_operator, signed_comparison_operator,
7838         large_insn_p, conditional_move_operand, carry_compare_operand,
7839         m32r_block_immediate_operand, extend_operand,
7840         reg_or_eq_int16_operand, int8_operand, and
7841         reg_or_zero_operand.
7842         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
7843         seth_add3_operand, int8_operand, cmp_int16_operand,
7844         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
7845         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
7846         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
7847         move_double_src_operand, move_dest_operand,
7848         eqne_comparison_operator, signed_comparison_operator,
7849         extend_operand, small_insn_p, large_insn_p,
7850         conditional_move_operand, carry_compare_operand,
7851         m32r_block_immediate_operand): Move to predicates.md.
7852         (MAX_MOVE_BYTES): Move to m32r.h.
7853         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
7854         * config/m32r/m32r.md: Include predicates.md.
7855         * config/m32r/predicates.md: New.
7856
7857 2005-03-18  James E Wilson  <wilson@specifixinc.com>
7858
7859         PR c++/19769
7860         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
7861         origin.
7862
7863 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7864
7865         * config/mn10300/mn10300-protos.h: Remove the prototypes for
7866         call_address_operand, const_8bit_operand.
7867         * config/mn10300/mn10300.c (call_address_operand,
7868         const_8bit_operand, const_1f_operand): Move to predicates.md.
7869         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
7870         * config/mn10300/mn10300.md: Include predicates.md.
7871         * config/mn10300/predicates.md: New.
7872
7873 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
7874
7875         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
7876         declarations in diagnostics and %E for identifiers, not %s.
7877
7878 2005-03-18  Jan Hubicka  <jh@suse.cz>
7879             Dale Johannesen  <dalej@apple.com>
7880
7881         * basic-block.h (scale_bbs_frequencies_int,
7882         scale_bbs_frequencies_gcov_type): Declare.
7883         * cfg.c (RDIV): New macro.
7884         (update_bb_frequency_for_threading): Fix.
7885         * basic-block.h (scale_bbs_frequencies_int,
7886         scale_bbs_frequencies_gcov_type): New.
7887         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
7888         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
7889         scale_bbs_frequencies_int.
7890         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
7891
7892 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7893
7894         * config/m32r/m32r-protos.h: Remove the prototypes for
7895         call_address_operand, symbolic_operand, seth_add3_operand,
7896         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
7897         reg_or_uint16_operand, reg_or_cmp_int16_operand,
7898         two_insn_const_operand, move_src_operand,
7899         move_double_src_operand, move_dest_operand,
7900         eqne_comparison_operator, signed_comparison_operator,
7901         large_insn_p, conditional_move_operand, carry_compare_operand,
7902         m32r_block_immediate_operand, extend_operand,
7903         reg_or_eq_int16_operand, int8_operand, and
7904         reg_or_zero_operand.
7905         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
7906         seth_add3_operand, int8_operand, cmp_int16_operand,
7907         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
7908         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
7909         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
7910         move_double_src_operand, move_dest_operand,
7911         eqne_comparison_operator, signed_comparison_operator,
7912         extend_operand, small_insn_p, large_insn_p,
7913         conditional_move_operand, carry_compare_operand,
7914         m32r_block_immediate_operand): Move to predicates.md.
7915         (MAX_MOVE_BYTES): Move to m32r.h.
7916         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
7917         * config/m32r/m32r.md: Include predicates.md.
7918         * config/m32r/predicates.md: New.
7919
7920         * config/pa/pa-protos.h: Add prototypes for magic_milli and
7921         shadd_constant_p.
7922         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
7923         symbolic_operand, symbolic_memory_operand,
7924         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
7925         indexed_memory_operand, move_dest_operand, move_src_operand,
7926         prefetch_cc_operand, prefetch_nocc_operand,
7927         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
7928         arith_operand, arith11_operand, pre_cint_operand,
7929         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
7930         ireg_operand, int5_operand, uint5_operand, int11_operand,
7931         uint32_operand, arith5_operand, and_operand, ior_operand,
7932         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
7933         pc_or_label_operand, div_operand, plus_xor_ior_operator,
7934         shadd_operand, movb_comparison_operator,
7935         cmpib_comparison_operator): Move to predicates.md.
7936         (magic_milli, shadd_constant_p): Make it extern.
7937         * config/pa/pa.h (PREDICATE_CODES): Remove.
7938         * config/pa/pa.md: Include predicates.md.
7939         * config/pa/predicates.md: New.
7940
7941         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
7942         predicate.
7943
7944 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7945
7946         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
7947         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
7948         config/alpha/freebsd.h, config/alpha/linux.h,
7949         config/alpha/netbsd.h, config/alpha/osf5.h,
7950         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
7951         config/h8300/h8300-protos.h, config/h8300/h8300.c,
7952         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
7953         doc/cppopts.texi: Update copyright.
7954
7955 2005-03-18  Jan Hubicka  <jh@suse.cz>
7956
7957         PR middle-end/20225
7958         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
7959         too late.
7960         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
7961         called too late.
7962
7963 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
7964
7965         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
7966         VEC_safe_push.
7967
7968 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
7969
7970         * combine.c (gen_binary): Remove.
7971         (known_cond, simplify_shift_const, find_split_point,
7972         combine_simplify_rtx, simplify_if_then_else, simplify_set,
7973         simplify_logical, expand_field_assignment, extract_left_shift,
7974         force_to_mode, if_then_else_cond, apply_distributive_law,
7975         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
7976         simplify_comparison, reversed_comparison): Replace with
7977         simplify_gen_binary, simplify_gen_relational or
7978         distribute_and_simplify_rtx.
7979         (distribute_and_simplify_rtx): New function.
7980
7981 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
7982             Paolo Bonzini  <gcc.gnu.org>
7983
7984         * calls.c (setjmp_call_p, special_function_p): Update comments
7985         at the head of the functions.
7986
7987 2005-03-18  Jan Hubicka  <jh@suse.cz>
7988
7989         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
7990
7991         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
7992         function body should be released; do not proactively release function
7993         bodies in non-unit-at-a-time mode.
7994
7995 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
7996
7997         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
7998         mno-fp-ret-in-387 multilib variants.
7999
8000 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
8001
8002         * common.opt (m): Remove.
8003         * opts.c (handle_option): Pass 'm' options to set_target_switch if
8004         table lookup fails.
8005         (common_handle_option): Remove OPT_m case.
8006
8007 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8008
8009         * builtins.c (fold_builtin_bitop): Take decomposed arguments
8010         of CALL_EXPR.
8011         (fold_builtin_1): Update a call to fold_builtin_bitop.
8012
8013         * builtins.c (fold_builtin_signbit): Take decomposed arguments
8014         of CALL_EXPR.
8015         (fold_builtin_1): Update a call to fold_builtin_signbit.
8016
8017 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
8018
8019         PR tree-optimization/20474
8020         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
8021         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
8022
8023 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
8024
8025         * config/h8300/h8300-protos.h: Remove prototypes for
8026         general_operand_src, general_operand_dst, single_one_operand,
8027         single_zero_operand, call_insn_operand,
8028         two_insn_adds_subs_operand, small_call_insn_operand,
8029         jump_address_operand, bit_operand, bit_memory_operand,
8030         stack_pointer_operand, const_int_gt_2_operand,
8031         const_int_ge_8_operand, const_int_qi_operand,
8032         const_int_hi_operand, incdec_operand, bit_operator,
8033         nshift_operator, eqne_operator, gtle_operator,
8034         gtuleu_operator, iorxor_operator.
8035         Add prototypes for h8sx_shift_type h8sx_classify_shift and
8036         h8300_ldm_stm_parallel.
8037         * config/h8300/h8300.c (h8sx_shift_type,): Move to
8038         h8300-protos.h.
8039         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
8040         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
8041         (h8300_ldm_stm_parallel): Make it extern.
8042         (h8300_ldm_parallel, h8300_stm_parallel,
8043         h8300_return_parallel, general_operand_src,
8044         general_operand_dst, h8300_dst_operand, h8300_src_operand,
8045         nibble_operand, reg_or_nibble_operand, single_one_operand,
8046         single_zero_operand, call_insn_operand,
8047         two_insn_adds_subs_operand, small_call_insn_operand,
8048         jump_address_operand, bit_operand, bit_memory_operand,
8049         stack_pointer_operand, const_int_gt_2_operand,
8050         const_int_ge_8_operand, const_int_qi_operand,
8051         const_int_hi_operand, incdec_operand, eqne_operator,
8052         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
8053         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
8054         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
8055         nshift_operator): Move to predicates.md.
8056         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
8057         * config/h8300/h8300.md: Include predicates.md.
8058         * config/h8300/predicates.md: New.
8059
8060 2005-03-17  Richard Henderson  <rth@redhat.com>
8061
8062         * config.gcc (ia64*-*-hpux*): Add extra_options.
8063         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
8064         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
8065         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
8066         (ia64_tls_size_string, ia64_tune_string): Remove.
8067         (ia64_tune): Init to PROCESSOR_ITANIUM2.
8068         (TARGET_DEFAULT_TARGET_FLAGS): New.
8069         (TARGET_HANDLE_OPTION): New.
8070         (ia64_override_options): Move options parsing ...
8071         (ia64_handle_option): ... here.  New.
8072         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
8073         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
8074         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
8075         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
8076         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
8077         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
8078         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
8079         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
8080         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
8081         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
8082         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
8083         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
8084         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
8085         TARGET_EARLY_STOP_BITS): Remove.
8086         (TARGET_ILP32): Default false.
8087         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
8088         (enum ia64_inline_type): New.
8089         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
8090         * config/ia64/ia64.md: Update for new definitions of
8091         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
8092         * config/ia64/ia64.opt: New file.
8093         * config/ia64/ilp32.opt: New file.
8094
8095 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8096
8097         PR target/18380
8098         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
8099
8100 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
8101
8102         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
8103         instead of MASK_H8300S.
8104         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
8105         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
8106         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
8107         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
8108         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
8109         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
8110         TARGET_SWITCHES): Remove.
8111         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
8112         TARGET_H8300SX.
8113         * config/h8300/h8300.opt: New.
8114
8115         * config/alpha/alpha.opt, config/arc/arc.opt,
8116         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
8117         notices.
8118
8119 2005-03-17  Ian Lance Taylor  <ian@airs.com>
8120
8121         * gmon.c: Remove.
8122
8123 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
8124
8125         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
8126         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
8127         (TARGET_HANDLE_OPTION): Override default.
8128         (arc_handle_option): New function.
8129         (arc_init): Remove code to set arch_cpu_string.
8130         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
8131         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
8132         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
8133         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
8134         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
8135         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
8136         (arc_rodata_string, TARGET_OPTIONS): Delete.
8137         * config/arc/arc.opt: New file.
8138
8139 2005-03-17  Richard Henderson  <rth@redhat.com>
8140
8141         * doc/extend.texi (Weak Pragmas): New section.
8142         (attribute alias): Clarify that target must be in the same
8143         translation unit.
8144
8145 2005-03-17  Richard Henderson  <rth@redhat.com>
8146
8147         * config/alpha/alpha.opt: New file.
8148         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
8149         of alpha_cpu.
8150         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
8151         alpha_fprm_string, alpha_fptm_string): Make static.
8152         (alpha_tls_size_string): Remove.
8153         (alpha_handle_option): New.
8154         (override_options): Update for alpha_cpu/alpha_tune split.
8155         (alpha_file_start): Likewise.
8156         (TARGET_DEFAULT_TARGET_FLAGS): New.
8157         (TARGET_HANDLE_OPTION): New.
8158         * config/alpha/alpha.h (alpha_tune): Declare.
8159         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
8160         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
8161         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
8162         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
8163         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
8164         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
8165         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
8166         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
8167         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
8168         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
8169         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
8170         (TARGET_DEFAULT): Remove MASK_FP.
8171         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
8172         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
8173         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
8174         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
8175         alpha_tls_size_string): Remove.
8176         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
8177         (attribute tune): Rename from attribute cpu.
8178         * config/alpha/ev4.md: Update to match.
8179         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
8180         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
8181         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
8182         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
8183         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
8184         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
8185
8186 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
8187
8188         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
8189         and return without creating new state if before_nops_num is nonzero.
8190         * config/ia64/ia64.md (first_insn): New attribute.
8191         (alloc): Set it to yes.
8192
8193 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
8194
8195         * tree-vectorizer.c (new_vec_stmt_info): Initialize
8196         STMT_VINFO_SUBVARS to NULL.
8197         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
8198
8199 2005-03-16 Dale Johannesen  <dalej@apple.com>
8200
8201         * rtlanal.c (find_first_parameter_load):  Rewrite to
8202         return actual first param load or the call if none,
8203         instead of first in block, when not all loads exist.
8204
8205 2005-03-16  Roger Sayle  <roger@eyesopen.com>
8206
8207         * optabs.c (expand_copysign_absneg): Make static.
8208         * optabs.h (expand_copysign_absneg): Delete prototype.
8209         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
8210
8211 2005-03-16  Richard Henderson  <rth@redhat.com>
8212
8213         PR middle-end/15700
8214         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
8215         (alias_pairs): Rename from output_defs.
8216         (find_decl_and_mark_needed): Split out from assemble_alias.
8217         (do_assemble_alias): New.
8218         (assemble_output_def): Remove.
8219         (finish_aliases_1, finish_aliases_2): New.
8220         (process_pending_assemble_output_defs): Remove.
8221         (assemble_alias): Defer aliases for which we don't yet have a
8222         non-external decl for the target symbol.
8223         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
8224         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
8225         * toplev.c (compile_file): Use finish_aliases_2 instead of
8226         process_pending_assemble_output_defs.
8227         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
8228         (process_pending_assemble_output_defs): Remove.
8229
8230 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
8231
8232         Fix PR tree-optimization/20489
8233
8234         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
8235         for empty structures.
8236
8237 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
8238
8239         Fix PR tree-optimization/20490
8240
8241         * tree-ssa-pre.c (create_expression_by_pieces): Use
8242         force_gimple_operand on result of fold.
8243
8244 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
8245
8246         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
8247         of closing parenthesis.
8248
8249 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
8250
8251         * builtins.c (expand_movstr): Update a call to
8252         fold_builtin_strcpy.
8253         (expand_builtin_strncpy): Update a call to
8254         fold_builtin_strncpy.
8255         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
8256         arguments of CALL_EXPR.
8257         (fold_builtin_1): Update calls to fold_builtin_strcpy and
8258         fold_builtin_strncpy.
8259         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
8260         * tree.h: Update the prototypes of fold_builtin_strcpy and
8261         fold_builtin_strncpy.
8262
8263 2005-03-16  Steven Bosscher  <stevenb@suse.de>
8264             Dorit Naishlos  <dorit@il.ibm.com>
8265
8266         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
8267         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
8268         error.
8269
8270 2005-03-16  Steven Bosscher  <stevenb@suse.de>
8271
8272         * tree-inline.c (walk_type_fields, walk_tree,
8273         walk_tree_without_duplicates): Move from here...
8274         * tree.c: ...to here.
8275
8276 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
8277
8278         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
8279         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
8280         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
8281         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
8282         (version): Define using $(BASEVER_c).
8283         (Makefile, config.status, build/gcov-iov.o): No longer depends on
8284         version.c.
8285         (version.o): Depend on version files; add custom generation command.
8286         (prefix.o): Define BASEVER on command line.
8287         (s-iov): Depend on version files; adjust command.
8288         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
8289         Add gcc-vers.texi.
8290         (gcc-vers.texi): New rule.
8291         (doc/%.info, doc/%.dvi): Add -I . to command line.
8292         (doc/gccinstall.dvi): Likewise.
8293         (PACKAGE): Delete.  All uses replaced with "gcc".
8294         * aclocal.m4: Do not include gcc-version.m4.
8295         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
8296         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
8297         Set is_release based on contents of DEV-PHASE.
8298         Set gcc_version based on contents of BASE-VER.
8299         Define WIN32_REGISTRY_KEY only if the user overrode the default.
8300         * config.in, configure: Regenerate.
8301         * gccbug.in: Determine version of GCC in use at runtime.
8302         * gcov-iov.c: Get version number and development phase from
8303         command line, not by including version.c.
8304         * intl.c: Replace all uses of PACKAGE with "gcc".
8305         * libada-mk.in: Delete unused "gcc_version" variable.
8306         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
8307         * version.c: (VERSUFFIX): New hook for redistributors; adjust
8308         commentary to match.
8309         (version_string): Put together from pieces.
8310         * config/alpha/x-vms: Do not use $(gcc_version).
8311         * config/i386/t-nwld: Likewise.
8312         * doc/include/gcc-common.texi: Include gcc-vers.texi for
8313         version-GCC and DEVELOPMENT.
8314
8315 2005-03-15  Roger Sayle  <roger@eyesopen.com>
8316
8317         PR tree-optimization/17454
8318         * tree.c (tree_size): Add case for TREE_BINFO.
8319         * fold-const.c (fold_checksum_tree): Only clear the overloaded
8320         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
8321
8322 2005-03-15  Roger Sayle  <roger@eyesopen.com>
8323
8324         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
8325         op1 whilst expanding the signed widenening multiply variant.
8326
8327 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
8328
8329         * toplev.c (display_target_options): Avoid unused variable warning if
8330         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
8331         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
8332         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
8333         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
8334         (mips_isa_info): New variable.
8335         (mips_parse_cpu): Remove the first argument and leave the caller
8336         to report errors.
8337         (TARGET_HANDLE_OPTION): Override default.
8338         (mips_handle_option): New function.  Move option validation code from...
8339         (override_options): ...here.  Update calls to mips_parse_cpu.
8340         * config/mips/mips.h (mips_arch_string, mips_tune_string)
8341         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
8342         (SUBTARGET_TARGET_OPTIONS): Delete.
8343         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
8344         (mno-flush-func, mtune=): New options.
8345
8346 2005-03-15  Roger Sayle  <roger@eyesopen.com>
8347             Richard Henderson  <rth@redhat.com>
8348
8349         * real.c (c4x_single_format, c4x_extended_format): Provide values
8350         for signbit_ro for c4x's single and extended floating point formats.
8351         * optabs.c (expand_copysign): Use the floating point format's
8352         signbit_ro for expanding via expand_copysign_absneg, and it's
8353         signbit_rw field for expanding via expand_copysign_bit.
8354
8355 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
8356
8357         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
8358         known_alignment_for_access_p.
8359         (known_alignment_for_access_p): New.
8360         (do_peeling_for_alignment): Field made int instead of bool and renamed
8361         to peeling_for_alignment.
8362         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
8363         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
8364         functionality used to be in vect_analyze_operations.
8365         (vect_analyze_operations): Code to determine vectorization factor was
8366         moved to vect_determine_vectorization_factor.
8367         (vect_enhance_data_refs_alignment): Update to correct alignment when it
8368         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
8369         factor.
8370         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
8371         be part of vect_analyze_operations).
8372         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
8373         creating the guard condition, as the number of iterations may be
8374         constant.
8375         (slpeel_tree_peel_loop_to_edge): Use new name of
8376         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
8377         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
8378         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
8379         (vect_do_peeling_for_alignment): Use fold.
8380         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
8381
8382         (vect_update_inits_of_dr): Renamed to
8383         vect_update_init_of_dr.
8384         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
8385         (vectorizable_store): Fix assertion to use == instead of =.
8386
8387 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
8388
8389         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
8390         call_used_regs for wCG registers.
8391
8392 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
8393
8394         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
8395         for non-offsettable memory references to cope with outstanding reload
8396         replacements, take 2.
8397
8398 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
8399
8400         PR target/18668
8401         * config/i386/i386.h (x86_fisttp): New.
8402         (TARGET_FISTTP): New macro.
8403         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
8404         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
8405         instruction when fisttp flag is set.
8406         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
8407
8408         * config/i386/i386.md (type attribute): Add fisttp.
8409         (unit attribute): Set to i387 for fisttp type.
8410         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
8411         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
8412         TARGET_FISTTP.
8413         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
8414         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
8415         macros.
8416         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
8417         patterns for TARGET_FISTTP.  Enable patterns for
8418         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
8419         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
8420         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
8421         implement fisttp x87 insn.
8422         (fix_trunc*_i387_fisttp splitters): New patterns.
8423         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
8424         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
8425         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
8426         clobber.
8427         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
8428         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
8429         Implement using mode macros. Disable patterns for TARGET_FISTTP.
8430         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
8431         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
8432         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
8433         Disable patterns for TARGET_FISTTP.
8434         (fix_trunc*_i387 splitters): Implement usign mode macros.
8435         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
8436         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
8437         (fix_trunx*_sse peephole2s): Implement using mode macros.
8438
8439 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
8440
8441         PR rtl-optimization/20291
8442         * combine.c (try_combine): If splitting fails, re-try with
8443         original combined pattern, i.e. before clobber stripping.
8444
8445 2005-03-14  Eric Christopher  <echristo@redhat.com>
8446
8447         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
8448         STACK_GROWS_DOWNWARD.
8449
8450 2005-03-14  Roger Sayle  <roger@eyesopen.com>
8451
8452         * real.h (struct real_format): Split the signbit field into two
8453         two fields, signbit_ro and signbit_rw.
8454         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
8455         mips_double_format, ieee_extended_motorola_format,
8456         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
8457         ieee_extended_intel_128_format, ibm_extended_format,
8458         mips_extended_format, ieee_quad_format, mips_quad_format,
8459         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
8460         i370_double_format, c4x_single_format, c4x_extended_format,
8461         real_internal_format): Update initializers for new field.
8462         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
8463         real_format structure.
8464         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
8465         field of the real_format structure.
8466
8467 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
8468
8469         Fix PR tree-optimization/20458
8470
8471         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
8472         DECL_EXTERNAL on STRUCT_FIELD tags.
8473         (clear_call_clobbered): Ditto.
8474         * tree-ssa-operands.c (note_addressable): Make sure the original
8475         variable doesn't slip into the addressable list if we have
8476         subvars.
8477         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
8478         tags too.
8479
8480 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
8481
8482         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
8483         (-fwide-exec-charset): Likewise.
8484         (-finput-charset): Likewise.
8485         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
8486         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
8487         * c.opt (Wnormalized): New.
8488
8489 2005-03-14  Devang Patel  <dpatel@apple.com>
8490
8491         * doc/invoke.texi: Add reference to Visibility document.
8492
8493 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
8494
8495         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
8496         MASK_SPLIT_ADDRESSES.
8497         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
8498         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
8499         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
8500         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
8501         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
8502         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
8503         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
8504         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
8505         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
8506         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
8507         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
8508         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
8509         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
8510         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
8511         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
8512         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
8513         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
8514         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
8515         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
8516         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
8517         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
8518         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
8519         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
8520         (TARGET_EXPLICIT_RELOCS): Delete.
8521         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
8522         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
8523         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
8524         (override_options): Set MASK_LONG64 if -mint64 is given and no
8525         -mlongXX option is.  Complain about -mint64 -mlong32.
8526         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
8527         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
8528         * config/mips/mips.opt: New file.
8529
8530 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
8531
8532         * config.gcc (extra_options): New variable for listing option files.
8533         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
8534         * configure.ac (extra_opt_files): New AC_SUBST variable.
8535         (tm_file_list, tm_include_list): Include options.h first.
8536         * configure: Regenerate.
8537         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
8538         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
8539         (s-options-h): New rule.
8540         (options.h): Depend on it.
8541         (TEXI_GCCINT_FILES): Add options.texi.
8542         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
8543         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
8544         * target.h (gcc_target): Add default_target_flags and handle_option.
8545         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
8546         (TARGET_HANDLE_OPTION): New macros.
8547         (TARGET_INITIALIZER): Include them.
8548         * opt-functions.awk (opt_args, nth_arg): New functions.
8549         (switch_flags): Handle the "Target" flag.
8550         (var_args): Delete.
8551         (var_name): Use opt_args and nth_arg.
8552         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
8553         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
8554         macros for the "Mask" and "InverseMask" options.
8555         * opts.h (cl_var_cond): New enum.
8556         (cl_option): Replace the "has_set_value" and "set_value" fields with
8557         "var_cond" and "var_value".
8558         (CL_TARGET): New macro.
8559         (option_enabled, print_filtered_help): Declare.
8560         (decode_options): Move definition.
8561         * opts.c (handle_option): Search for the original option before
8562         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
8563         var_cond and var_value fields.  Use targetm.handle_option to handle
8564         target options.
8565         (decode_options): Set target_flags to targetm.default_target_flags.
8566         (print_filtered_help): Make global.  Handle CL_TARGET.
8567         (option_enabled): New function.
8568         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
8569         (display_target_options, set_target_switch, print_switch_values)
8570         (default_pch_valid_p): Guard uses of target_switches with
8571         #ifdef TARGET_SWITCHES.  Also...
8572         (display_target_options): Display the CL_TARGET entries in cl_options.
8573         (set_target_option): Don't complain about the "" option when
8574         TARGET_SWITCHES is undefined.
8575         (print_switch_values): Use option_enabled.
8576         (default_pch_valid_p): Check cl_options[] when looking for something
8577         that has changed the value of target_flags.
8578         * c.opt: Remove documentation from top of file.
8579         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
8580         * doc/sourecebuild.texi: Refer to the new options documentation
8581         instead of c.opt.  Document machine-specific .opt files.
8582         * doc/tm.texi (target_flags): Say that this variable is declared
8583         by options.h.
8584         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
8585         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
8586         an alternative.
8587         * doc/options.texi: New file.
8588
8589 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
8590
8591         PR middle-end/18628
8592         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
8593         register.
8594
8595 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
8596
8597         PR c++/20280
8598         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
8599         temporary variable of pointer type if an lvalues is required.
8600         (gimplify_modify_expr_rhs): Request an rvalue from it.
8601         (gimplify_expr): Pass fallback on.
8602
8603 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8604
8605         * cfgbuild.c: Update comments.
8606
8607 2005-03-14  Roger Sayle  <roger@eyesopen.com>
8608
8609         PR rtl-optimization/17236
8610         * optabs.c (expand_doubleword_mult): New helper function split out
8611         from expand_binop.  Permute the order in which instructions are
8612         emitted to minimize the number of simultaneously live registers.
8613         (expand_binop): Call expand_doubleword_mult to synthesize a double
8614         word multiplication.
8615
8616 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8617
8618         * basic-block.h: Update the prototypes of cached_make_edge and
8619         rtl_make_eh_edge.
8620         * cfg.c (cached_make_edge): Take edge_cache representing one
8621         row of the adjacency matrix of edges.
8622         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
8623         (make_edges): Initialize edge_cache to represent one row of
8624         the adjacency matrix of edges.
8625
8626 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8627
8628         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
8629         New functions.
8630         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
8631         Remove unused removed_phis variable.
8632         (conditional_replacement): Use build1/build2.
8633         (abs_replacement): Use last_and_only_stmt and build1/build2.
8634
8635 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8636
8637         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
8638         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
8639         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
8640         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
8641         * c-common.c (handle_novops_attribute): New function.
8642         (c_common_attribute_table): Add "no vops" entry.
8643         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
8644         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
8645         * tree-ssa-operands.c (get_call_expr_operands): Do not
8646         create virtual operands for calls with ECF_NOVOPS flag.
8647         * tree.h (DECL_IS_NOVOPS): New macro.
8648         (struct tree_decl): Add novops_flag.
8649         (ECF_NOVOPS): New constant.
8650
8651 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
8652
8653         PR target/17688
8654         * config/i386/i386.c (x86_use_himode_fiop): New.
8655         (x86_use_simode_fiop): Rename from x86_use_fiop.
8656         * config/i386/i386.h (x86_use_himode_fiop): Declare.
8657         (TARGET_USE_HIMODE_FIOP): New.
8658         (x86_use_simode_fiop): Rename from x86_use_fiop.
8659         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
8660
8661         * config/i386/i386.md (X87MODEI12): New mode macro define.
8662         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
8663         to implement x87 FP compare with HImode input operands.
8664         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
8665         Use X87MODEI12 mode macro to handle HImode input operands.
8666         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
8667         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
8668         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
8669         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
8670         macro to implement x87 operators with HImode input operands.
8671         (fop splitters): Use X87MODEI12 mode macro to handle HImode
8672         input operands.
8673
8674 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8675
8676         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
8677         integer_zerop.
8678         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
8679         constants invariant.
8680
8681 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8682
8683         * basic-block.h (BB_VISITED): Removed.
8684         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
8685
8686 2005-03-14  Falk Hueffner  <falk@debian.org>
8687
8688         PR bootstrap/20424
8689         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
8690
8691 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8692
8693         * ggc-zone.c: Fix comment typos.
8694
8695         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
8696         stringpool.c, config/mips/mips-protos.h: Update copyright.
8697
8698 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
8699
8700         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
8701         throughout with its typedef, "rtx".
8702         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
8703         (rs6000_tls_symbol_ref_1): Remove inline keyword.
8704         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
8705         regs in comment to match code.
8706
8707 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8708
8709         * except.c (check_handled): Make it static.
8710         * except.h: Remove the corresponding prototype.
8711
8712         * function.c (get_func_frame_size): Make it static.
8713         * function.h: Remove the corresponding type.
8714
8715         * regclass.c (reg_class_superclasses, reg_class_subclasses):
8716         Make them static.
8717         * hard-reg-set.h: Remove the corresponding declarations.
8718
8719         * tree-cfg.c (verify_stmts): Check that
8720         bb_for_stmt (stmt) == bb for every PHI node and statement.
8721
8722 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
8723
8724         * config.gcc: Remove excess indentation.
8725         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
8726
8727 2005-03-13  Roger Sayle  <roger@eyesopen.com>
8728
8729         PR middle-end/19331
8730         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
8731         * fold-const.c (fold_sign_changed_comparison): Likewise.
8732         (fold_binary): Optimize comparisons against widened operands if
8733         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
8734
8735 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8736
8737         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
8738         (sparc_override_options): Initialize it.
8739         (sparc_struct_value_rtx): Set it on the MEM to be returned.
8740
8741 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
8742
8743         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
8744         (reg_or_none500mem_operand): New predicate.
8745         (zero_reg_mem_operand): New predicate.
8746         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
8747         to reg_or_none500mem_operand.
8748         (extendsfdf2_fpr): Add MEM alternative.
8749         (extenddftf2_internal): Change operand2 predicate to
8750         zero_reg_mem_operand.
8751
8752 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8753
8754         * ggc-zone.c: Rewritten.
8755
8756         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
8757         if there are none.
8758         * configure.ac: Define GGC_ZONE for --with-gc=zone.
8759         * config.in: Regenerated.
8760         * configure: Regenerated.
8761         * gengtype.c (write_types_process_field, write_func_for_structure):
8762         Pass new argument to gt_pch_note_object.
8763         * ggc-common.c (struct ptr_data): Add TYPE.
8764         (gt_pch_note_object): Take TYPE argument and save it.
8765         (call_count): Update call to ggc_pch_count_object.
8766         (call_alloc): Update call to ggc_pch_alloc_object.
8767         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
8768         file.
8769         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
8770         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
8771         (ggc_alloc_zone_stat): Delete.
8772         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
8773         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
8774         (ggc_pch_alloc_object): Update prototypes.
8775         (garbage_zone): Delete.
8776         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
8777         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
8778         pointers.
8779         (tree_id_zone): New variable.
8780         (ggc_alloc_cleared_zone): Remove unused.
8781         (ggc_alloc_zone): Define.
8782         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
8783         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
8784         ggc_alloc_zone_stat.
8785         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
8786         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
8787         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
8788         (make_node_stat): Likewise.  Use tree_id_zone.
8789
8790 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8791             Joseph S. Myers  <joseph@codesourcery.com>
8792
8793         * configure.ac: Check for MIPS TLS.
8794         * configure: Regenerated.
8795         * config/mips/mips-protos.h (enum mips_symbol_type): Add
8796         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
8797         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
8798         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
8799         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
8800         (mips_classify_symbol, mips_symbolic_constant_p)
8801         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
8802         (mips_tls_operand_p, mips_call_tls_get_addr)
8803         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
8804         (mips_tls_symbol_ref_1): New functions.
8805         (mips_legitimize_address, mips_legitimize_const_move): Call
8806         mips_legitimize_tls_address.
8807         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
8808         for MIPS16.
8809         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
8810         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
8811         (mips_char_to_class): Document V1_REG.
8812         (HAVE_AS_TLS): Provide default.
8813         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
8814         constants.
8815         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
8816         !TARGET_ABICALLS.
8817         (tls_get_tp_<mode>): New instruction.
8818
8819 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8820
8821         * configure.ac: Update checks for target tools.
8822         * configure: Regenerated.
8823
8824 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8825
8826         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
8827
8828 2005-03-13  Roger Sayle  <roger@eyesopen.com>
8829
8830         * expmed.c (expand_mult): Use synthetic multiplication sequences for
8831         more classes of DImode multiplication by constant.  Allow both
8832         multiplication by small negative constants (by performing a
8833         multiplication by a positive constant and negating the result) and
8834         multiplications by large powers of two, by using a left shift.
8835
8836 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
8837
8838         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
8839         of basic blocks into work_stack.
8840
8841         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
8842         config/mips/vr.h: Update copyright.
8843
8844         * c-decl.c (c_init_decl_processing): Remove useless calls to
8845         build_function_type.
8846
8847         * builtins.c (fold_trunc_transparent_mathfn,
8848         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
8849         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
8850         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
8851         fold_builtin_strcpy, fold_builtin_strncpy,
8852         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
8853         TREE_TYPE (exp).
8854
8855         * builtins.c (expand_builtin_mathfn_3): Remove local variable
8856         before_call.
8857
8858         * lambda-code.c (lambda_compute_auxillary_space): Remove local
8859         variable determinant.
8860
8861         * tree-cfg.c (group_case_labels): Remove local variable type.
8862
8863         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
8864         variable ann.
8865
8866         * tree-ssa-phiopt.c (value_replacement): Remove local variable
8867         result.
8868
8869 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
8870
8871         PR target/18251
8872         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
8873         (*movmemqi_insn): Delete.
8874         (*movmemhi): Delete.
8875
8876 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
8877
8878         * builtins.c (fold_builtin_classify): Take decomposed
8879         arguments of CALL_EXPR.
8880         (fold_builtin_1): Update a call to fold_builtin_classify.
8881
8882 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
8883
8884         PR c/20402
8885         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
8886         through into call to parser_xref_tag after parse error.
8887         (c_parser_struct_declaration): Consistently return NULL_TREE on
8888         error.
8889
8890 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
8891
8892         * tree-flow-inline.h (ref_contains_array_ref): New function.
8893         (lookup_subvars_for_var): Ditto.
8894         (get_subvars_for_var): Ditto.
8895         (var_can_have_subvars): Ditto.
8896
8897         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
8898         (struct subvar): New type.
8899
8900         * tree-dfa.c (okay_component_ref_for_subvars): New function.
8901
8902         * tree-optimize.c (init_tree_optimization_passes): Call
8903         pass_create_structure_vars.
8904
8905         * tree-ssa-alias.c: Include vec.h.
8906         (init_alias_info): Don't auto-clear call clobbered on struct-field
8907         tags.
8908         (compute_flow_insensitive_aliasing): Handle subvars.
8909         (group_aliases): Handle STRUCT_FIELD aliases.
8910         (setup_pointers_and_addressables): Ditto.
8911         Don't mark variables non-addressable if they still have
8912         addressable subvars.
8913         Also mark subvars addressable when the real variable is marked
8914         addressable.
8915         (add_pointed_to_var): Try to prune the pointed-to set by only
8916         pointing to subvars when possible.
8917         Otherwise, make sure we set addresses_needed and pt_vars to
8918         properly include subvars.
8919         (bitpos_of_field): New function.
8920         (push_fields_onto_fieldstack): Ditto.
8921         (get_or_create_used_part_for): Ditto.
8922         (create_overlap_variables_for): Ditto.
8923         (find_used_portions): Ditto.
8924         (create_structure_vars): Ditto.
8925         (pass_create_structure_vars): New structure.
8926
8927         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
8928         (get_expr_operands): Handle subvars.  Also try to turn
8929         COMPONENT_REF accesses into must-defs now that we can accurately
8930         portray it.
8931         (note_addressable): Try to only mark as addressable those subvars
8932         we know a COMPONENT_REF touches.
8933         (overlap_subvar): New function.
8934
8935         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
8936         Handle subvar storing.
8937         (vect_address_analysis): Update caller of vect_object_analysis.
8938
8939         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
8940
8941         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
8942         (STMT_VINFO_SUBVARS): New macro.
8943
8944         * common.opts: add flag_tree_salias.
8945
8946         * opts.c (decode_options): flag_tree_salias defaults to on.
8947
8948         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
8949
8950         * doc/tree-ssa.texi: Document structural alias analysis.
8951
8952 2005-03-12  Steven Bosscher  <stevenb@suse.de>
8953
8954         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
8955         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
8956         * tree-ssa-operands.c (get_expr_operands): Likewise.
8957         (get_expr_operands): Likewise for ERROR_MARK.
8958
8959 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
8960
8961         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
8962         var.
8963
8964         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
8965         removed_phis.
8966
8967         * tree-ssa-pre.c (compute_avail): Remove local variable val.
8968         (mark_operand_necessary): Remove local variable ver.
8969
8970         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
8971         variable prefix_len.
8972
8973         * value-prof.c (mod_subtract_transform): Remove local variable
8974         value.
8975
8976         * builtins.c (fold_builtin_exponent): Take decomposed
8977         arguments of CALL_EXPR.
8978         (fold_builtin_1): Update a call to fold_builtin_exponent.
8979
8980         * builtins.c (fold_builtin_logarithm): Take decomposed
8981         arguments of CALL_EXPR.
8982         (fold_builtin_1): Update a call to fold_builtin_logarithm.
8983
8984         * c-decl.c (c_init_decl_processing): Remove local variables
8985         ptr_ftype_void and ptr_ftype_ptr.
8986
8987         * gimplify.c (gimplify_expr): Remove local variables r0 and
8988         r1.
8989
8990         * reg-stack.c (move_for_stack_reg): Remove local variable
8991         push_insn.
8992         (compare_for_stack_reg): Remove local variable flags_user.
8993         (convert_regs_1): Remove local variable deleted.
8994
8995         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
8996         variable new_cond.
8997         (combine_blocks): Remove local variables exits and new_e.
8998
8999         * tree-inline.c (expand_call_inline): Remove local variable
9000         decl.
9001
9002         * tree-ssa-live.c (create_ssa_var_map,
9003         calculate_live_on_entry): Remove local variable snn.
9004
9005 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
9006
9007         * c-lex.c (c_lex_with_flags): Add parameter to call to
9008         cpp_spell_token.
9009
9010 2005-03-11  Per Bothner  <per@bothner.com>
9011
9012         * c-tree.h (struct c_declarator): New id_loc field.
9013         * c-pragma.h (c_lex_with_flags): Take position reference.
9014         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
9015         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
9016         (c_lex): Pass dummy location to c_lex_with_flags.
9017         * c-parser.c (c_lex_one_token): Set c_token's location using
9018         c_lex_with_flags, instead of input_location, which might be "ahead".
9019         (c_parser_direct_declarator): Set declarator's id_loc from
9020         c_token's id_loc.
9021         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
9022         declarator's id_loc, rather than probably-imprecise input_location.
9023         (build_id_declarator): Initialize c_declarator's id_loc field.
9024
9025 2005-03-11  Roger Sayle  <roger@eyesopen.com>
9026
9027         PR middle-end/20419
9028         * builtins.c (expand_builtin_signbit): Force the signbit's word
9029         into an integer register to avoid SUBREGs of floating point modes.
9030
9031 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
9032
9033         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
9034         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
9035         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
9036         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
9037
9038 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
9039
9040         PR rtl-optimization/20306
9041         * expr.c (emit_move_complex): Set try_int false if mode is
9042         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
9043         emit_block_move if try_int is true.
9044
9045 2005-03-11  Richard Henderson  <rth@redhat.com>
9046
9047         PR target/20415
9048         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
9049         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
9050         to match.
9051
9052 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
9053
9054         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
9055         (TARGET_FIX_VR4130): New macro.
9056         (TARGET_OPTIONS): Add -mfix-vr4130.
9057         (ISA_HAS_MACCHI): New macro.
9058         (ASM_SPEC): Add -mfix-vr4130.
9059         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
9060         (override_options): Handle mips_fix_vr4130_string.
9061         (mips_avoid_hazards): Clear all_noreorder_p
9062         if we're working around VR4130 errata and the macc alternatives
9063         are not available.
9064         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
9065         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
9066         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
9067         (MULTILIB_DEFAULTS): Remove leading "march=".
9068         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
9069         if no architecture option is given.
9070         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
9071         VR4130 multilibs.
9072         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
9073         * doc/invoke.texi: Document -mfix-vr4130.
9074
9075 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
9076
9077         * config/mips/mips.c (override_options): Only warn about -mint64
9078         deprecation if TARGET_INT64.
9079
9080 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9081
9082         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
9083         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
9084         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
9085         are non-specific regarding the nonnull parameter positions.
9086         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
9087         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
9088         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
9089         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
9090
9091         * builtins.def: Use the non-specific "nonnull" attibute lists.
9092
9093 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
9094
9095         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
9096         single_pred_edge, single_succ, single_pred): Improve comments.
9097
9098 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
9099
9100         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
9101         single_pred_edge, single_succ, single_pred): New inline functions.
9102         * bb-reorder.c (rotate_loop, find_traces_1_round,
9103         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
9104         duplicate_computed_gotos): Use the single_succ/pred functions.
9105         * cfganal.c (forwarder_block_p): Ditto.
9106         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
9107         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
9108         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
9109         merge_seq_blocks): Ditto.
9110         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
9111         * cfglayout.c (fixup_reorder_chain): Ditto.
9112         * cfgloop.c (mark_single_exit_loops, update_latch_info,
9113         canonicalize_loop_headers, verify_loop_structure): Ditto.
9114         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
9115         mfb_update_loops, create_preheader, force_single_succ_latches,
9116         create_loop_notes): Ditto.
9117         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
9118         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
9119         commit_one_edge_insertion, purge_dead_edges,
9120         cfg_layout_can_merge_blocks_p): Ditto.
9121         * except.c (sjlj_emit_function_enter): Ditto.
9122         * flow.c (init_propagate_block_info): Ditto.
9123         * function.c (thread_prologue_and_epilogue_insns): Ditto.
9124         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
9125         insert_insn_end_bb): Ditto.
9126         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
9127         find_if_case_2): Ditto.
9128         * lambda-code.c (perfect_nestify): Ditto.
9129         * lcm.c (optimize_mode_switching): Ditto.
9130         * loop-doloop.c (doloop_modify): Ditto.
9131         * loop-init.c (loop_optimizer_init): Ditto.
9132         * loop-iv.c (simplify_using_initial_values): Ditto.
9133         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
9134         * loop-unswitch.c (unswitch_loop): Ditto.
9135         * modulo-sched.c (generate_prolog_epilog): Ditto.
9136         * predict.c (combine_predictions_for_insn, estimate_probability,
9137         tree_estimate_probability, last_basic_block_p,
9138         estimate_bb_frequencies): Ditto.
9139         * profile.c (branch_prob): Ditto.
9140         * regrename.c (copyprop_hardreg_forward): Ditto.
9141         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
9142         * tracer.c (layout_superblocks): Ditto.
9143         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
9144         cfg_remove_useless_stmts_bb, cleanup_control_flow,
9145         cleanup_control_expr_graph, disband_implicit_edges,
9146         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
9147         tree_verify_flow_info, tree_make_forwarder_block,
9148         tree_forwarder_block_p, remove_forwarder_block,
9149         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
9150         * tree-if-conv.c (tree_if_conversion): Ditto.
9151         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
9152         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
9153         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
9154         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
9155         copy_loop_headers): Ditto.
9156         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
9157         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
9158         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
9159         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
9160         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
9161         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
9162         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
9163         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
9164         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
9165         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
9166         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
9167         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
9168         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
9169         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
9170         slpeel_add_loop_guard): Ditto.
9171
9172 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
9173
9174         PR tree-optimization/15784
9175         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
9176         and -1 - A to ~A.
9177
9178         * stmt.c (expand_case): Don't change index_type.  Convert minval
9179         to the proper type.
9180
9181         PR tree-optimization/20130
9182         * fold-const.c (fold): Fold x * -1 into -x.
9183
9184 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
9185
9186         PR rtl-optimization/20331
9187         * rtlanal.c (modified_between_p): Check its address first for MEM.
9188         (modified_in_p): Likewise.
9189
9190 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
9191
9192         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
9193
9194 2005-03-10  Steven Bosscher  <stevenb@suse.de>
9195
9196         * expr.c (expand_expr_real_1): If possible, use a conditional
9197         move for expanding MIN_EXPR and MAX_EXPR.
9198         Use temp for moving around rtx-en.
9199
9200 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
9201
9202         PR rtl-opt/20412
9203         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
9204         correct mode.
9205
9206 2005-03-10  Roger Sayle  <roger@eyesopen.com>
9207
9208         * builtins.c (expand_builtin_signbit): Extend to handle floating
9209         point modes wider than the largest integer type, using the
9210         operand_subword_force function to obtain the signbit's word.
9211
9212 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
9213
9214         PR target/20322
9215         * combine.c (try_combine): If recog_for_combine added CLOBBERs
9216         to NEWI2PAT, fail to combine if they are used by NEWPAT.
9217
9218 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
9219
9220         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
9221
9222 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
9223
9224         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
9225         type void.
9226         (perform_edge_inserts): Unconditionally call
9227         free_dominator_info.
9228
9229         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
9230
9231 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
9232
9233         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
9234
9235 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
9236
9237         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
9238
9239         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
9240         gcc_unreachable.
9241         (rtl_register_value_prof_hooks,
9242         tree_value_profile_transformations,
9243         tree_register_value_prof_hooks): Likewise.
9244         * var-tracking.c (stack_adjust_offset_pre_post,
9245         variable_htab_free, variable_union, dataflow_set_different_2,
9246         count_uses, variable_was_changed, set_frame_base_location,
9247         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
9248         vt_add_function_parameters): Likewise.
9249         * varasm.c (named_section_real, named_section, make_decl_rtl,
9250         asm_emit_uninitialised, assemble_integer, decode_addr_const,
9251         const_hash_1, compare_constant, copy_constant, force_const_mem,
9252         output_constant_pool_2, output_constant_pool_1, output_constant,
9253         output_constructor, make_decl_one_only, decl_tls_model,
9254         default_no_named_section, default_elf_select_section_1,
9255         default_unique_section_1): Likewise.
9256         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
9257         * vmsdbgout.c (addr_const_to_string): Likewise.
9258
9259         PR c++/20375
9260         * function.c (struct assign_parm_data_one): Remove last_named
9261         field.
9262         (assign_parm_find_data_types): Don't determine last_named.
9263         Reorder named_parm determination.
9264         (assign_parms): Only setup varargs on the last non-varadic
9265         parameter.
9266
9267 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
9268
9269         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
9270         sda base address on medium model.
9271
9272 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
9273
9274         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
9275         * cfgloop.c (flow_loop_nodes_find): Export.
9276         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
9277         Declare.
9278         * cfgloopmanip.c (fix_loop_structure): New function.
9279         * predict.c (predict_loops): Clean up the loops information.
9280         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
9281         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
9282         loop structure.
9283         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
9284         (rewrite_into_loop_closed_ssa): Declaration changed.
9285         * tree-loop-linear.c (linear_transform_loops): Add argument to
9286         rewrite_into_loop_closed_ssa call.
9287         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9288         * tree-ssa-loop-im.c (move_computations): Ditto.
9289         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9290         * tree-vectorizer.c (vectorize_loops): Ditto.
9291         * tree-optimize.c: Include cfgloop.h.
9292         (execute_todo): Choose whether to call cleanup_tree_cfg or
9293         cleanup_tree_cfg_loop.
9294         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
9295         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
9296         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
9297         cleanup_tree_cfg_loop call.
9298         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
9299         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
9300         work on part of cfg.
9301
9302 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
9303
9304         PR inline-asm/20314
9305         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
9306         with multiple alternatives.
9307
9308         * stmt.c (parse_output_constraint): Fix a typo.
9309
9310 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
9311
9312         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
9313         assembly directive instead of deprecated "no-generics".
9314
9315 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
9316
9317         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
9318         for non-offsettable memory references to cope with outstanding reload
9319         replacements.
9320         * config/s390/s390.md ("reload_outti"): Call find_replacement to
9321         avoid losing outstanding address reloads.
9322         ("reload_outdi", "reload_outdf"): Likewise.
9323
9324 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9325
9326         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
9327         code.  Add more cbrt transformations.
9328
9329 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9330
9331         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
9332
9333 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
9334
9335         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
9336         NULL_TREE when a given tree is not simplified.
9337         (fold): Return the original tree when any of the functions
9338         mentioned above NULL_TREE.
9339
9340         * fold-const.c (fold_unary, fold_binary): Take decomposed
9341         arguments, code, type, op0, and op1 in case of fold_binary.
9342         (fold): Update calls to fold_unary and fold_binary.
9343
9344 2005-03-09  Roger Sayle  <roger@eyesopen.com>
9345
9346         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
9347         a fndecl and an arglist instead of a CALL_EXPR, exp.
9348
9349 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
9350
9351         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
9352
9353         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
9354
9355         * expr.c (expand_assignment): Remove orig_to_rtx.
9356
9357         * fold-const.c (int_const_binop): Remove no_overflow.
9358
9359         * ifcvt.c (noce_emit_move_insn): Remove inmode.
9360
9361         * loop-iv.c (get_biv_step_1): Remove lhs.
9362
9363         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
9364
9365         * real.c (real_nan): Remove neg.
9366
9367         * function.c (thread_prologue_and_epilogue_insns): Remove i
9368         and newinsn.
9369
9370         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
9371         tb.
9372
9373         * tree-eh.c (tree_could_trap_p): Remove idx.
9374
9375         * tree-into-ssa.c (ann): Remove ann.
9376
9377         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
9378
9379         * tree-sra.c (decide_block_copy): Remove inst_count.
9380
9381         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
9382
9383         * tree-ssa-loop-im.c (lhs): Remove.
9384
9385         * cfgbuild.c (state, STATE, SET_STATE,
9386         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
9387         make_edges.
9388         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
9389         (find_basic_blocks): Set the state of each basic block to
9390         BLOCK_NEW.
9391
9392 2005-03-08  Jeff Law  <law@redhat.com>
9393
9394         * tree-cfg.c (cleanup_control_flow): If removal of a computed
9395         goto results in the removal of edges in the CFG, then we need
9396         to recompute dominators.
9397
9398 2005-03-09  Ben Elliston  <bje@au.ibm.com>
9399
9400         * c-common.c (c_do_switch_warnings): Comment fix.
9401
9402 2005-03-08  Julian Brown  <julian@codesourcery.com>
9403
9404         * Patch from 2005-03-08 reverted for causing regressions and
9405         ppc-darwin bootstrap failure.
9406
9407 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
9408
9409         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
9410         Define the real function for ppc-darwin.
9411         * c-typeck.c (convert_arguments): Check for target-specific
9412         invalid argument call to unprototyped function.
9413         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
9414         New Macro.
9415         * target.h (invalid_arg_for_unprototyped_fn): New field
9416         in struct calls.
9417         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
9418         default target hook.
9419         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
9420         Declare.
9421
9422 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9423
9424         * c-typeck.c (constructor_stack, constructor_range_stack,
9425         initializer_stack): Make them static.
9426
9427         * cfg.c (rbi_pool): Make it static.
9428
9429         * gimple-low.c (lower_stmt_body): Make it static.
9430         * tree-flow.h: Remove the corresponding prototype.  Don't
9431         declare lower_data.
9432
9433         * sched-deps.c (cache_size): Make it static.
9434
9435         * stor-layout.c (lang_adjust_rli): Make it static.
9436
9437 2005-03-08  Julian Brown  <julian@codesourcery.com>
9438
9439         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
9440         from being used for symbols with vague linkage when
9441         HAVE_GAS_COMDAT_GROUP is true.
9442
9443 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
9444
9445         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
9446         nlabel == JUMP_LABEL (jump).
9447
9448 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9449
9450         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
9451         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
9452         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
9453         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
9454
9455 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
9456
9457         PR c/14411
9458         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
9459         * c-common.c (handle_returns_twice): New function.
9460         (c_common_attribute_table): Declare eturns_twice' attribute.
9461         * doc/extend.texi: Document eturns_twice' attribute.
9462         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
9463         (struct tree_decl): Add returns_twice_flag.
9464
9465 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9466
9467         * tree-ssa-phiopt.c: Fix a comment typo.
9468
9469         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
9470         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
9471         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
9472         copyright.
9473
9474 2005-03-08  Richard Henderson  <rth@redhat.com>
9475
9476         * config/alpha/alpha.c (code_for_builtin): Replace special-case
9477         builtin codes with ctzdi2, clzdi2, popcountdi2.
9478         (struct alpha_builtin_def): Add is_const.
9479         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
9480         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
9481         (alpha_init_builtins): Init them.  Set nothrow and const attributes
9482         on builtins.
9483         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
9484         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
9485         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
9486         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
9487         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
9488         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
9489         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
9490         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
9491         (TARGET_FOLD_BUILTIN): New.
9492         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
9493         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
9494         (ffsdi2): Use ctz.
9495         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
9496
9497 2005-03-08  Ira Rosen  <irar@il.ibm.com>
9498
9499         PR tree-optimization/20122
9500         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
9501         condition of access function instead of base.
9502
9503 2005-03-07  Jeff Law  <law@redhat.com>
9504             Steven Bosscher  <stevenb@suse.de>
9505
9506         * tree-cfg.c (find_taken_edge_computed_goto): New function.
9507         (find_taken_edge): Call find_taken_edge_computed_goto as
9508         appropriate.  Allow any gimple invariant rather than just
9509         INTEGER_CST for VAL.
9510         (cleanup_control_flow): Cleanup a computed goto which has turned
9511         into a simple goto.
9512         (tree_merge_blocks): If block B has any forced labels, move
9513         them to the start of block A.
9514         * tree-ssa-dom.c (thread_across_edge): Allow threading across
9515         computed gotos as well.
9516         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
9517         removal of unnecessary computed gotos too.
9518         (lookup_redirection_data): Fix type of INSERT argument.  Callers
9519         updated.
9520
9521 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9522
9523         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
9524         Remove trailing spaces.
9525
9526         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
9527         unshare_all_trees): Make them static.
9528         * tree-gimple.h: Remove the corresponding prototypes.
9529
9530         * diagnostic.h: Remove unused prototype
9531         debug_output_buffer.
9532         * modulo-sched.c: Remove unused prototype
9533         set_row_column_for_ps.
9534
9535         * tree-ssa-phiopt.c (tree_ssa_phiopt,
9536         replace_phi_edge_with_variable): Remove unused variable i.
9537
9538 2005-03-07  Per Bothner  <per@bothner.com>
9539
9540         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
9541
9542 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
9543
9544         PR tree-opt/17671
9545         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
9546         bbs on the COND_EXPR instead of the PHI_NODEs.
9547         (candidate_bb_for_phi_optimization): Remove.
9548         (replace_phi_with_stmt): Rename to ...
9549         (replace_phi_edge_with_variable): this and change so that we
9550         replace the phi argument instead of removing the PHI.
9551         (conditional_replacement): Change so we deal with PHI with more
9552         than two arguments.
9553         (value_replacement): Likewise.
9554         (abs_replacement): Likewise.
9555
9556 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
9557
9558         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
9559         output_e500_flip_gt_bit.
9560
9561         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
9562         as bit 31.
9563         (rs6000_generate_compare): Fix logic to look at the correct bits.
9564         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
9565         Look at GT bit.
9566         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
9567         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
9568         gen_move_from_CR_gt_bit.
9569
9570         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
9571         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
9572         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
9573
9574         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
9575         (E500_CR_IOR_COMPARE): New constant.
9576
9577 2005-03-08  Earl Chew <earl_chew@agilent.com>
9578             David Billinghurst <David.Billinghurst@riotinto.com>
9579
9580         * config/i386/host-cygwin.c: New file to support precompiled
9581         headers on cygwin
9582         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
9583         * config.host: Use above files for cygwin host.
9584
9585 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
9586
9587         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
9588         ordering ops from earlier change.
9589
9590 2005-03-07  Per Bothner  <per@bothner.com>
9591
9592         Various fixes to allow us to again build if --enable-mapped-location:
9593         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
9594         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
9595         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
9596         local variable loc. Change logic appropriately.
9597         * tree-vect-transform.c (vect_finish_stmt_generation): Use
9598         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
9599         * c-parser.c (c_parser_for_statement): Initialize loc variable.
9600         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
9601         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
9602
9603 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
9604
9605         PR rtl-optimization/19683
9606         * reload1.c (choose_reload_regs): Pass the number of bits, not the
9607         number of bytes, to smallest_int_for_mode.  Fix arguments to
9608         REG_CANNOT_CHANGE_MODE_P.
9609
9610 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
9611
9612         * reorg.c (relax_delay_slots): Check that the jump is
9613         conditional before trying to invert it.
9614
9615 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
9616
9617         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
9618         Make them static.
9619
9620         * calls (stack_arg_under_construction): Make it static.
9621
9622         * flow.c (regs_live_at_setjmp): Make it static.
9623         * flow.h: Remove the corresponding prototype.
9624
9625         * reload1.c (reload_startobj, reload_firstobj,
9626         something_needs_operands_changed, reload_inherited,
9627         reload_inheritance_insn, reload_override_in,
9628         reload_spill_index): Make them static.
9629
9630         * recog.c (verify_changes): Make it static.
9631         * recog.h: Remove the corresponding prototype.
9632
9633         * cfgbuild.c (find_sub_basic_blocks): Remove.
9634         * basic-block.h: Remove the corresponding prototype.
9635         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
9636         in comments.
9637         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
9638
9639         * tree-ssa-operands.c (check_build_stmt): Remove.
9640
9641         * stor-layout.c (set_alignment): Remove.
9642         * tree.h: Remove the corresponding prototype.
9643
9644         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
9645
9646         * tree-ssa-dce.c (control_dependence_map,
9647         visited_control_parents): Make them static.
9648
9649         * cfghooks.c (verify_flow_info): Remove local variable
9650         num_bb_notes.
9651
9652         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
9653         last_bb_seen.
9654
9655         * loop-unswitch.c (unswitch_loop): Remove local variable src.
9656
9657 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
9658
9659         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
9660
9661 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
9662
9663         * config/ia64/hpux.h (LINK_SPEC): Add -z.
9664         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
9665         PARALLEL for an empty structure.
9666
9667 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
9668
9669         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
9670
9671         * fold-const.c (fold_binary): Unroll the very first "for"
9672         loop.
9673
9674 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
9675
9676         * config/rs6000/predicates.md (branch_comparison_operator): Remove
9677         redundant match_code test.
9678         (scc_comparison_operator): Swap match_operand and match_code
9679         tests.
9680         (branch_positive_comparison_operator): Same.
9681         (trap_comparison_operator): Use comparison_operator and swap with
9682         match_code test.
9683
9684 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
9685
9686         PR target/20288
9687         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
9688         (out_movhi_r_mr): Read low byte of volatile MEM first.
9689         (out_movhi_mr_r): Write high byte of volatile MEM first.
9690
9691 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
9692
9693         * cselib.c (reg_values, reg_values_size): Make them static.
9694
9695         * cse.c (cse_reg_info_table): Make it static.
9696
9697         * fold-const.c (fold_unary): Use build1 instead of copy_node.
9698
9699 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
9700
9701         * cse.c (find_best_addr): Use canon_for_address.
9702
9703 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
9704
9705         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
9706         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
9707         SUBREG and MEM, respectively.
9708
9709         * fold-const.c (fold_binary): Use code instead of t.
9710
9711         * fold-const.c (optimize_minmax_comparison): Take decomposed
9712         arguments code, type, op0, and op1 instead of t.
9713         (fold_binary): Update a call to optimize_minmax_comparison.
9714
9715         * fold-const.c (fold_range_test): Take decomposed arguments
9716         code, type, op0, and op1 instead of t.
9717         (fold_binary): Update a call to fold_range_test.
9718
9719         * fold-const.c (fold_binary_op_with_conditional_arg): Take
9720         decomposed arguments code, type, op0, and op1 instead of t.
9721         (fold_binary): Update a call to fold_range_test.
9722
9723 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
9724
9725         * fold-const.c (fold_binary): Avoid directly using the original
9726         expression t as much as possible.
9727
9728 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
9729
9730         * c-semantics.c (build_stmt): Use TYPE_P instead of
9731         IS_NON_TYPE_CODE_CLASS.
9732         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
9733         (NON_TYPE_CHECK): Use TYPE_P instead of
9734         IS_NON_TYPE_CODE_CLASS.
9735
9736         * fold-const.c (fold): Remove handling of binary expressions.
9737
9738 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
9739
9740         * doc/c-tree.texi: Wrap comments in @r{}.
9741         * doc/cpp.texi: Likewise.
9742         * doc/cppinternals.texi: Likewise.
9743         * doc/extend.texi: Likewise.
9744         * doc/md.texi: Likewise.
9745         * doc/objc.texi: Likewise.
9746         * doc/sourcebuild.texi: Likewise.
9747         * doc/tm.texi: Likewise.
9748         * doc/tree-ssa.texi
9749
9750 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
9751
9752         * predict.c (apply_return_prediction): Standardize PHI chain
9753         walking.
9754         * tree-ssa.c (ssa_redirect_edge): Likewise.
9755
9756         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
9757         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
9758         Update copyright.
9759
9760         * tree-phinodes.c (remove_phi_node): Drop the last argument.
9761         * tree-flow.h: Adjust the prototype for remove_phi_node.
9762         * lambda-code.c (perfect_nestify): Adjust a call to
9763         remove_phi_node.
9764         * tree-cfg.c
9765         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
9766         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
9767         Likewise.
9768         * tree-ssa-dce.c (remove_dead_phis): Likewise.
9769         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9770         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9771         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
9772
9773         * combine.c (simplify_and_const_int): Use gen_int_mode instead
9774         of GEN_INT (trunc_int_for_mode (...)).
9775         * loop-iv.c (iv_number_of_iterations): Likewise.
9776         * postreload.c (reload_cse_move2add): Likewise.
9777         * simplify-rtx.c (simplify_const_unary_operation,
9778         simplify_const_binary_operation): Likewise.
9779         * stor-layout.c (get_mode_bounds): Likewise.
9780
9781         * fold-const.c (fold_binary): New.
9782         (fold): Call fold_binary on binary expressions.
9783
9784 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
9785
9786         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
9787         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
9788         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
9789         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
9790         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
9791
9792 2005-03-04  Devang Patel  <dpatel@apple.com>
9793
9794         PR tree-optimization/18815
9795         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
9796         loops with zero exit edges.
9797
9798 2005-03-04  Devang Patel  <dpatel@apple.com>
9799
9800         * doc/invoke.texi: Remove reference to webpage that does not exist.
9801
9802 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
9803             Joseph S. Myers  <joseph@codesourcery.com>
9804
9805         PR c++/19797
9806         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
9807         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
9808         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
9809         * pa.c (get_plabel): Change argument to symbol_ref.  Call
9810         maybe_get_identifier instead of get_identifier.
9811         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
9812         (struct deferred_plabel): Replace name field with symbol field.
9813         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
9814         ASM_OUTPUT_EXTERNAL_REAL is defined.
9815         (output_global_address): Use output_addr_const for output of all
9816         symbol_refs.
9817         (output_deferred_plabels): Use symbol_ref instead of name for address
9818         output.
9819         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
9820         ASM_OUTPUT_SYMBOL_REF): New macros.
9821         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
9822         comment.
9823         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
9824         label.
9825
9826 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
9827
9828         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
9829         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
9830
9831 2005-03-04  Jeff Law  <law@redhat.com>
9832
9833         * basic-block.h (rediscover_loops_after_threading): Declare.
9834         * tree-ssa-dom.c: Include cfgloop.h.
9835         (tree_ssa_dominator_optimize): Discover loops and some basic
9836         properties.  Remove forwarder blocks recreated by loop header
9837         canonicalization.  Also mark backedges in the CFG.
9838         * tree-ssa-threadupdate.c: Include cfgloop.h
9839         (rediscover_loops_after_threading): Define.
9840         (struct local_info): New field, JUMP_THREADED.
9841         (prune_undesirable_thread_requests): New function.
9842         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
9843         then record that fact for the callers of redirct_edges.
9844         (thread_block): If BB has incoming backedges, then call
9845         prune_undesirable_thraed_requests.    Note when we are
9846         going to have to rediscover loop information.  Return a
9847         boolean indicating if any jumps were threaded.
9848         (thread_through_all_blocks): Bubble up boolean indicating
9849         if any jumps were threaded.
9850         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
9851         (tree-ssa-threadupdate.o): Similarly.
9852
9853 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
9854
9855         * fold-const.c (fold_ternary): Unroll the "for" loop to
9856         extract operands.
9857
9858 2005-03-04  Andrew Haley  <aph@redhat.com>
9859
9860         * unwind-dw2-fde-glibc.c (struct
9861         unw_eh_callback_data.check_cache): New field.
9862         (frame_hdr_cache): New.
9863         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
9864         Cache frame header info.
9865
9866 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
9867
9868         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
9869         (print_c_condition): Declare.
9870         * read-rtl.c (ptr_loc): New structure.
9871         (ptr_locs, ptr_loc_obstack, joined_conditions)
9872         (joined_conditions_obstack): New variables.
9873         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
9874         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
9875         (join_c_conditions, print_c_condition): New functions.
9876         (apply_macro_to_string): Associate the new string with the same
9877         source location as the old one.
9878         (add_condition_to_string): Use join_c_conditions.
9879         (read_string): Use set_rtx_ptr_loc to record a filename and line
9880         number for the string.
9881         (read_rtx): Initialize the new variables above.
9882         * genattrtab.c (write_test_expr, write_attr_value): Use
9883         print_c_condition.
9884         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
9885         comment above the GCC_VERSION check.
9886         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
9887         Inline the definition of MAYBE_EVAL.
9888         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
9889         * genoutput.c (process_template): Likewise.
9890         * genpreds.c (write_predicate_subfunction): Likewise.
9891         (write_predicate_expr): Use print_c_condition.
9892         * genrecog.c (write_cond): Likewise.
9893         * gensupport.c (process_rtx): Use join_c_conditions to join the
9894         conditions of a define_insn_and_split.  Record a source location
9895         for the string after the "&&".
9896         (alter_test_for_insn): Use join_c_conditions.
9897
9898 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
9899
9900         Revert for now:
9901         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
9902         PR tree-optimization/15784
9903         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
9904         and -1 - A to ~A.
9905
9906 2005-03-04  Ben Elliston  <bje@au.ibm.com>
9907
9908         * gcc.c (option_map): Add --coverage.
9909         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
9910         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
9911         * config/darwin.h: Pass -lgcov for `coverage'.
9912         * doc/invoke.texi (Debugging Options): Document --coverage.
9913
9914 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
9915
9916         * gcse.c (bypass_block): Use find_edge wherever possible.
9917
9918 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
9919
9920         Fix PR debug/20253
9921
9922         * c-opts.c (c_common_parse_file): Call start_source_file
9923         and end_source_file at the approriate times.
9924
9925         * dwarf2out.c (dwarf2out_finish): Don't auto-end
9926         the main file, it will be done for us now.
9927
9928 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
9929
9930         * fold-const.c (fold_ternary): New.
9931         (fold): Call fold_ternary on ternary expressions.  Remove
9932         handling of ternary expressions.
9933
9934 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
9935
9936         PR tree-optimization/15784
9937         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
9938         and -1 - A to ~A.
9939
9940 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
9941
9942         * config/rs6000/predicates.md (branch_comparison_operator):
9943         Convert from C block to conditional format.
9944
9945 2005-03-03  Jan Hubicka  <jh@suse.cz>
9946
9947         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
9948         and non-constant public variables.
9949
9950 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
9951
9952         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
9953         with LABEL_EXPR.
9954
9955         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
9956         EDGE_I.
9957
9958         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
9959         calls to release_ssa_name and release_phi_node.
9960
9961         * fold-const.c (fold): Remove handling of unary expressions.
9962
9963         * fold-const.c (fold_unary): Avoid directly using the original
9964         expression t as much as possible.
9965
9966 2005-03-03  Roger Sayle  <roger@eyesopen.com>
9967             Andrew Pinski  <pinskia@physics.uc.edu>
9968
9969         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
9970         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
9971
9972 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
9973
9974         Describe special registers SRP and MOF as allocatable registers.
9975         * config/cris/cris.c (cris_md_asm_clobbers): New function.
9976         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
9977         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
9978         TARGET_HAS_MUL_INSNS.
9979         (cris_print_operand) <case 'd'>: New case.
9980         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
9981         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
9982         define.
9983         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
9984         (REG_ALLOC_ORDER): Update for MOF.
9985         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
9986         SPECIAL_REGS.
9987         (GENERAL_REGS): No longer a define of ALL_REGS.
9988         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
9989         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
9990         Adjust accordingly.
9991         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
9992         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
9993         (SECONDARY_RELOAD_CLASS): Define.
9994         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
9995         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
9996         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
9997         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
9998         (REGISTER_MOVE_COST): Define.
9999         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
10000         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
10001         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
10002         (CRIS_MOF_REGNUM): New define_constants.
10003         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
10004         special registers.
10005         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
10006         New patterns.
10007         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
10008         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
10009         Adjust for MOF being properly described as a register.
10010         (indir_to_reg_split): Name this split.  Conditionalize on the
10011         destination register being a general register.
10012         (movei): Conditionalize on on operands 0 and 1 having the same
10013         register class.
10014
10015 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
10016
10017         PR target/20277
10018         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
10019         -mcpu to override any other explicitly given flags.
10020
10021 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
10022
10023         * recog.c (verify_changes, confirm_change_group): New functions,
10024         broken out of apply_change_group.
10025         (apply_change_group): Use them.
10026         * recog.h (verify_change, confirm_change_group): Declare.
10027         * rtl.h (redirect_jump_2): Declare.
10028         * jump.c (redirect_exp, invert_exp): Delete.
10029         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
10030         (redirect_jump_2): New function, broken out of redirect_jump.
10031         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
10032         (invert_jump): Use invert_jump_1 and redirect_jump_2.
10033         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
10034
10035 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
10036
10037         * varasm.c (named_section): Use xstrdup rather than doing it by
10038         hand.
10039
10040         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
10041
10042 2005-03-02  Devang Patel  <dpatel@apple.com>
10043
10044         Undo PR tree-optimization/18815 fix.
10045
10046 2005-03-02  Devang Patel  <dpatel@apple.com>
10047
10048         PR tree-optimization/18815
10049         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
10050         loops with zero exit edges.
10051
10052 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
10053
10054         * cfg.c (connect_src, connect_dest, disconnect_src,
10055         disconnct_dest): New.
10056         (unchecked_make_edge, remove_edge, redirect_edge_succ,
10057         redirect_edge_pred): Use the new functions.
10058
10059         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
10060         free_dominance_info only when needed.
10061
10062 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
10063
10064         PR target/20276
10065         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
10066         (reg_or_sub_cint64_operand): Same.
10067
10068 2005-03-02  Jeff Law  <law@redhat.com>
10069
10070         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
10071         CFG_ALTERED in the main DOM iteration loop.
10072
10073 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
10074
10075         PR c++/19916
10076         * varasm.c (initializer_constant_valid_p): Allow conversions
10077         between OFFSET_TYPEs.  Tidy.
10078
10079 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
10080
10081         * config/cris/cris.md ("return"): Remove epilogue delay list
10082         sanity check.
10083
10084 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
10085
10086         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
10087         for Thumb.
10088         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
10089
10090 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
10091
10092         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
10093         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
10094         config/m68k/m68k.c, config/mips/mips.h,
10095         config/rs6000/rs6000-protos.h, doc/contrib.texi,
10096         doc/include/gcc-common.texi: Update copyright.
10097
10098         PR middle-end/18029 and PR middle-end/18030
10099         * expr.c (optimize_bitfield_assignment_op): Add a special case
10100         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
10101
10102         * fold-const.c (fold_unary): New.
10103         (fold): Call fold_unary on unary expressions.
10104
10105 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
10106
10107         * cgraph.h (struct cgraph_edge): Add prev_caller and
10108         prev_callee fields.
10109         (cgraph_node_remove_callees): Export.
10110         * cgraph.c (cgraph_create_edge): Initialize prev_caller
10111         and prev_callee.
10112         (cgraph_edge_remove_callee): New function.
10113         (cgraph_edge_remove_caller): Likewise.
10114         (cgraph_remove_edge): Use.
10115         (cgraph_redirect_edge_callee): Likewise.
10116         (cgraph_node_remove_callees): New function.
10117         (cgraph_node_remove_callers): Likewise.
10118         (cgraph_remove_node): Use.
10119         * tree-optimize.c (tree_rest_of_compilation): Use
10120         cgraph_node_remove_callees instead of manual loop.
10121         * cgraphunit.c (cgraph_finalize_function): Likewise.
10122         (cgraph_expand_function): Likewise.
10123         (cgraph_remove_unreachable_nodes): Likewise.
10124
10125 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
10126
10127         PR c/8927
10128         * c-tree.h (undeclared_variable, build_external_ref): Add extra
10129         argument.
10130         * c-decl.c (undeclared_variable): Take location as argument.
10131         * c-typeck.c (build_external_ref): Likewise.
10132         * c-parser.c (c_parser_postfix_expression): Pass location of
10133         identifier to build_external_ref.
10134
10135 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
10136
10137         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
10138         CCEQ mode for branch_positive_comparison_operator test.
10139         * config/rs6000/predicates (branch_comparison_operator): Revert to
10140         define_predicate.
10141         (scc_comparison_operator): Same.
10142         (branch_positive_comparison_operator): Same.
10143
10144 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
10145
10146         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
10147         (cris_delay_slots_for_epilogue): Remove.
10148         (save_last): Move into cris_target_asm_function_epilogue.
10149         (cris_target_asm_function_epilogue): Remove tests for file being
10150         NULL.
10151         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
10152         (cris_delay_slots_for_epilogue): Remove prototypes.
10153         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
10154         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
10155
10156 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
10157
10158         * config/rs6000/predicates.md (branch_comparison_operator): Change
10159         to define_special_predicate.
10160         (scc_comparison_operator): Same.
10161         (branch_positive_comparison_operator): Same.
10162
10163 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
10164
10165         * Makefile.in (tree-ssa-sink.o): New.
10166         (OBJS-common): Add tree-ssa-sink.o.
10167         * common.opt: Add -ftree-sink
10168         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
10169         * timevar.def (TV_TREE_SINK): new timevar.
10170         * tree-flow.h (is_hidden_global_store): Prototype.
10171         * tree-optimize.c (init_tree_optimization_passes): Add
10172         pass_sink_code.
10173         * tree-pass.h (pass_sink_code): New.
10174         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
10175         for non-obvious global store store to is_hidden_global_store, and
10176         call that new function.
10177         * tree-ssa-sink.c: New file.
10178         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
10179         * doc/passes.texi: Document forward store motion.
10180         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
10181         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
10182         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
10183         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
10184
10185 2005-03-01  Per Bothner  <per@bothner.com>
10186
10187         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
10188         and we have a non-zero column-number, add it to the message.
10189         Also factor out the diagnostic_kind_text.
10190
10191 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
10192
10193         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
10194         flow_loop_pre_header_scan, flow_loop_pre_header_find,
10195         flow_loop_scan): Removed.
10196         (flow_loop_dump): Do not dump removed fields.
10197         (flow_loop_free): Do not free removed fields.
10198         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
10199         (loop_exit_edge_p): New function.
10200         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
10201         num_pre_header_edges, entry_edges, num_entries, exit_edges,
10202         num_exits, exits_doms.
10203         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
10204         LOOP_EDGES, LOOP_ALL): Removed.
10205         (flow_loop_scan): Declaration removed.
10206         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
10207         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
10208         flow_loops_find.
10209         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
10210         (if_convert): Call flow_loops_find and flow_loops_free
10211         when calling mark_loop_exit_edges.
10212         * cfgloopanal.c (mark_loop_exit_edges): Moved from
10213         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
10214         free_dominance_info calls.
10215         * loop-init.c (flow_loops_find): Ditto.
10216         * passes.c (rest_of_handle_branch_prob): Ditto.
10217         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
10218         * loop-unroll.c (analyze_insns_in_loop): Do not use
10219         EDGE_LOOP_EXIT.
10220         * predict.c (predict_loops): Do not call flow_loop_scan.
10221         Use get_loop_exit_edges.
10222         (tree_estimate_probability): Do not pass flags to flow_loops_find.
10223         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
10224         Do not use EDGE_LOOP_EXIT.
10225         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
10226         to bb_with_exit_edge_p.
10227         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
10228         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
10229         to bb_with_exit_edge_p.
10230         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
10231         EDGE_LOOP_EXIT.
10232         * tree-loop-linear.c (linear_transform_loops): Do not call
10233         flow_loop_scan.  Use loop->single_exit.
10234         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
10235         (vect_analyze_loop_form): Do not call flow_loop_scan.
10236         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
10237         loop->single_exit.
10238         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
10239         loop->single_exit.
10240         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
10241         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
10242         slpeel_tree_duplicate_loop_to_edge_cfg,
10243         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
10244         Use loop_preheader_edge and loop->single_exit.  Do not call
10245         flow_loop_scan.
10246
10247 2005-03-01  Nick Clifton  <nickc@redhat.com>
10248
10249         * config/arm/arm.c (thumb_find_work_register): Check all of the
10250         argument registers to see if they are free, and a couple of
10251         special cases where the last argument register but can be proved
10252         to be available during the function's prologue.
10253         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
10254         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
10255         thumb_unexpanded_epilogue): Use unsigned long as the type for the
10256         register bit-mask.
10257         (thumb_compute_save_reg_mask): Likewise.  Also use
10258         thumb_find_work_register() to ensure that there is agreement about
10259         which work register is going to be used in the prologue.
10260         (thumb_output_function_prologue): Use unsigned long as the type
10261         for the register bit-mask.  Also delay pushing the link register if
10262         other high registers are going to be pushed.
10263         (thumb_compute_save_reg_mask, emit_multi_reg_push,
10264         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
10265         redundant prototypes.
10266
10267 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
10268
10269         PR target/19819
10270         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
10271         and after reload in REG+REG indexed addresses without REG_POINTER
10272         set in the base and not set in the index.
10273
10274 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
10275
10276         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
10277         Don't undefine here.
10278         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
10279         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
10280         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10281         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
10282         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
10283         Delete.
10284         * config.gcc (sh*-*-linux*): Use config/linux.h.
10285
10286 2005-02-28  Dale Johannesen  <dalej@apple.com>
10287             Stan Shebs  <shebs@apple.com>
10288
10289         Rewrite of 64-bit Darwin structure-by-value pass/return.
10290         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
10291         intoffset, use_stack, named.
10292         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
10293         (rs6000_darwin64_record_arg_advance_flush):  New.
10294         (rs6000_darwin64_record_arg_advance_recurse): New.
10295         (rs6000_darwin64_record_arg_flush):  New.
10296         (rs6000_darwin64_record_arg_recurse):  New.
10297         (rs6000_darwin64_record_arg):  New.
10298         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
10299         (function_arg_boundary):  Handle 128-bit aligned structs.
10300         (function_arg_advance):  Rewrite darwin64 struct handling.
10301         (function_arg):  Call rs6000_darwin64_record_arg.
10302         (function_arg_partial_nregs):  Handle darwin64 structs.
10303         (rs6000_darwin64_function_value):  Remove.
10304         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
10305
10306 2005-02-28  Roger Sayle  <roger@eyesopen.com>
10307
10308         PR tree-optimization/20216
10309         * tree-chrec.c (tree_fold_factorial): Delete.
10310         (tree_fold_binomial): Change argument list to take a return type
10311         and change the type of K to unsigned int.  Rewrite to avoid explicit
10312         evaluation of factorials, and (recursively) calling fold to perform
10313         compile-time arithmetic.  Return NULL on (internal) overflow.
10314         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
10315         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
10316         if any intermediate calculation overflows.
10317         (chrec_apply): Update call to chrec_evaluate.
10318
10319 2005-02-28  James E Wilson  <wilson@specifixinc.com>
10320
10321         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
10322
10323 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
10324
10325         PR c/20245
10326         * c-parser.c (c_parser_compound_statement): Return error_mark_node
10327         instead of NULL_TREE on error.
10328
10329 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
10330
10331         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
10332         (EASY_VECTOR_15_ADD_SELF): Remove.
10333         (num_insns_constant_wide): Not static.
10334         (validate_condition_mode): Not static.
10335         (toc_relative_expr_p): Not static.
10336         (legitimate_indirect_address_p): Not static.
10337         (macho_lo_sum_memory_operand): Not static.
10338         (invalid_e500_subreg): Not static.
10339         (easy_vector_same): Not static.
10340         (easy_vector_splat_const): Not static.
10341         (RS6000_SYMBOL_REF_TLS_P): Remove.
10342         (any_operand): Delete.
10343         (any_parallel_operand): Delete.
10344         (count_register_operand): Delete.
10345         (altivec_register_operand): Delete.
10346         (xer_operand): Delete.
10347         (s8bit_cint_operand): Delete.
10348         (short_cint_operand): Delete.
10349         (u_short_cint_operand): Delete.
10350         (non_short_cint_operand): Delete.
10351         (exact_log2_cint_operand): Delete.
10352         (gpc_reg_operand): Delete.
10353         (cc_reg_operand): Delete.
10354         (cc_reg_not_cr0_operand): Delete.
10355         (reg_or_short_operand): Delete.
10356         (reg_or_neg_short_operand): Delete.
10357         (reg_or_aligned_short_operand): Delete.
10358         (reg_or_u_short_operand): Delete.
10359         (reg_or_cint_operand): Delete.
10360         (reg_or_arith_cint_operand): Delete.
10361         (reg_or_add_cint64_operand): Delete.
10362         (reg_or_sub_cint64_operand): Delete.
10363         (reg_or_logical_cint_operand): Delete.
10364         (got_operand): Delete.
10365         (got_no_const_operand): Delete.
10366         (easy_fp_constant): Delete.
10367         (easy_vector_constant): Delete.
10368         (easy_vector_constant_add_self): Delete.
10369         (zero_constant): Delete.
10370         (zero_fp_constant): Delete.
10371         (volatile_mem_operand): Delete.
10372         (offsettable_mem_operand): Delete.
10373         (mem_or_easy_const_operand): Delete.
10374         (add_operand): Delete.
10375         (non_add_cint_operand): Delete.
10376         (logical_operand): Delete.
10377         (non_logical_cint_operand): Delete.
10378         (mask_operand): Delete.
10379         (mask_operand_wrap): Delete.
10380         (mask64_operand): Delete.
10381         (mask64_2_operand): Delete.
10382         (and64_operand): Delete.
10383         (and64_2_operand): Delete.
10384         (and_operand): Delete.
10385         (reg_or_mem_operand): Delete.
10386         (lwa_operand): Delete.
10387         (symbol_ref_operand): Delete.
10388         (call_operand): Delete.
10389         (current_file_function_operand): Delete.
10390         (input_operand): Delete.
10391         (rs6000_nonimmediate_operand): Delete.
10392         (rs6000_tls_symbol_ref): Delete.
10393         (save_world_operation): Delete.
10394         (restore_world_operation): Delete.
10395         (load_multiple_operation): Delete.
10396         (store_multiple_operation): Delete.
10397         (vrsave_operation): Delete.
10398         (mfcr_operation): Delete.
10399         (mtcrf_operation): Delete.
10400         (lmw_operation): Delete.
10401         (stmw_operation): Delete.
10402         (branch_comparison_operator): Delete.
10403         (branch_positive_comparison_operator): Delete.
10404         (scc_comparison_operator): Delete.
10405         (trap_comparison_operator): Delete.
10406         (boolean_operator): Delete.
10407         (boolean_or_operator): Delete.
10408         (min_max_operator): Delete.
10409         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
10410         (EASY_VECTOR_15): Moved to here.
10411         (EASY_VECTOR_15_ADD_SELF): Move to here.
10412         (PREDICATE_CODES): Delete.
10413         * config/rs6000/rs6000-protos.h: Delete predicate functions.
10414         Declare functions no longer static.
10415         * config/rs6000/predicates.md: New.
10416         * config/rs6000/rs6000.md: Include predicates.md
10417
10418 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
10419
10420         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
10421         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
10422         REG_ALWAYS_RETURN.
10423         * cfgrtl.c (need_fake_edge_p): Likewise.
10424         * combine.c (distribute_notes): Likewise.
10425         * emit-rtl.c (try_split): Likewise.
10426         * recog.c (peephole2_opimize): Likewise.
10427         * reg-notes.def (ALWAYS_RETURN): Remove.
10428         * rtl.h (LCT_ALWAYS_RETURN): Remove.
10429         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
10430         * tree.h (ECF_ALWAYS_RETURN): Remove.
10431
10432 2005-02-28  Roger Sayle  <roger@eyesopen.com>
10433
10434         PR middle-end/19874
10435         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
10436         between different machine modes is never a "useless" conversion.
10437
10438 2005-02-28  Geert Bosch  <bosch@gnat.com>
10439
10440         PR ada/15977
10441         * doc/contrib.texi: List contributors for Ada front end
10442
10443 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
10444
10445         * simplify-rtx.c (simplify_unary_operation_1,
10446         simplify_const_unary_operation): New, extracted from...
10447         (simplify_unary_operation): ... this one.
10448         (simplify_binary_operation_1,
10449         simplify_const_binary_operation): New, extracted from...
10450         (simplify_binary_operation): ... this one.
10451         * rtl.h (simplify_const_unary_operation,
10452         simplify_const_binary_operation): Add prototypes.
10453
10454 2005-02-28  Julian Brown  <julian@codesourcery.com>
10455
10456         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
10457         building libjava and caused PR regression/20228.
10458
10459 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
10460
10461         PR bootstrap/17383
10462         * Makefile.in (host_subdir): New.
10463         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
10464         * configure: Regenerate.
10465
10466 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
10467
10468         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
10469         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
10470         installation directory first.
10471
10472 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
10473
10474         PR target/19065.
10475         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
10476         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
10477         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
10478         * config/cris/cris.md: Tweak comments referring to Q.
10479         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
10480         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
10481         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
10482         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
10483         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
10484         Insert spaces in constraints to align alternatives vertically for
10485         readability.
10486         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
10487         operand 1: "M".
10488
10489 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10490
10491         PR rtl-optimization/17728
10492         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
10493         operand 0 from general_operand to move_dest_operand.
10494
10495 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10496
10497         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
10498         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
10499         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
10500         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
10501
10502 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
10503
10504         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
10505         * configure: Regenerate.
10506         * libada-mk.in: Remove CC; rename
10507         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
10508
10509 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
10510
10511         PR tree-opt/20188
10512         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
10513         for the lhs, also walk over the tree.  Likewise for rhs.
10514
10515 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
10516
10517         * tree-ssa-dom.c (simple_iv_increment_p): New function.
10518         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
10519         Do not propagate value of iv before increment over the increment.
10520
10521 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
10522
10523         * c-parser.c: New file.
10524         * c-parse.in: Remove.
10525         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
10526         Remove.
10527         (c-parser.o): Add dependencies.
10528         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
10529         maintainer-clean, TAGS): Update.
10530         * c-config-lang.in (gtfiles): Update.
10531         * gengtype-lex.l: Don't handle "@@".
10532         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
10533         objc_build_synchronized, objc_begin_try_stmt,
10534         objc_begin_catch_clause, objc_finish_catch_clause,
10535         objc_build_finally_clause, objc_finish_try_stmt): New.
10536         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
10537         type_seen_p.
10538         (c_parse_init): Update comment.
10539         * c-decl.c (c_init_decl_processing): Update comment.
10540         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
10541         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
10542         new c_declspecs members.
10543
10544 2005-02-25  Julian Brown  <julian@codesourcery.com>
10545
10546         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
10547         from being used for symbols with vague linkage when
10548         HAVE_GAS_COMDAT_GROUP is true.
10549
10550 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
10551
10552         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
10553
10554 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
10555
10556         PR target/19930
10557         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
10558         (LIBGCC2_HAS_DF_MODE): New.
10559         (LIBGCC2_HAS_XF_MODE): New.
10560         (LIBGCC2_HAS_TF_MODE): New.
10561         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
10562         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
10563         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
10564         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
10565         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
10566         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
10567         and add _fixtfdi, _fixunstfdi, _floatditf
10568         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
10569         L_fixunstfdi, L_floatditf.
10570         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
10571         (LIBGCC2_HAS_TF_MODE): Define.
10572
10573 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
10574
10575         PR tree-optimization/20204
10576         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
10577         REWRITE_THIS_STMT markers on PHI nodes.
10578         (rewrite_initialize_block): Likewise.
10579
10580 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
10581
10582         * version.c (version_string): Update to 4.1.
10583
10584 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
10585
10586         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
10587         Clarify that the alternative way doesn't work in GNU C++.
10588
10589 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
10590
10591         PR tree-optimization/19937
10592         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
10593         to the type of the induction variable.
10594
10595 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
10596
10597         PR rtl-optimization/20117
10598         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
10599         the block including noncopyable insn.
10600
10601 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
10602
10603         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
10604         calls to find_reg_note.
10605
10606 2005-02-24  Richard Henderson  <rth@redhat.com>
10607
10608         PR tree-opt/20127
10609         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
10610         the type.
10611
10612 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
10613
10614         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
10615         vector types if to use base reg for misaligned non-word ld/std.
10616
10617 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
10618
10619         PR target/14619
10620         * config/cris/cris.c (cris_target_asm_function_prologue): Create
10621         dwarf2 label manually and put it after, not before the prologue.
10622
10623 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
10624
10625         PR target/19019
10626         * reload.c (operands_match_p): Only increment register number for
10627         SCALAR_INT_MODE_P modes in multiple hard registers.
10628
10629         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
10630         Fix formatting.
10631
10632 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10633
10634         * ChangeLog.5: Fix log message typo(s).
10635         * ChangeLog.7: Likewise.
10636         * ChangeLog.tree-ssa: Likewise.
10637         * cfgexpand.c: Fix comment typo(s).
10638         * conflict.c: Likewise.
10639         * defaults.h: Likewise.
10640         * dwarf2out.c: Likewise.
10641         * gcse.c: Likewise.
10642         * ggc-page.c: Likewise.
10643         * tree-eh.c: Likewise.
10644         * tree-ssa-dom.c: Likewise.
10645
10646 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
10647
10648         PR target/19019
10649         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
10650         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
10651         if SHARED is defined.
10652
10653         PR target/20196
10654         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
10655         allow splitting only if operands 0 and 3 don't overlap.
10656
10657 2005-02-24  Richard Henderson  <rth@redhat.com>
10658
10659         PR middle-end/19953
10660         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
10661         (fold_builtin_1): Call them.
10662         * fold-const.c (fold_complex_mult_parts): Split out from ...
10663         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
10664         (fold_complex_div_parts, fold_complex_div): New.
10665         (fold): Use them.
10666         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
10667
10668 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10669
10670         * tree-ssa-ccp.c (visit_assignment): Verify that result of
10671         VIEW_CONVERT_EXPR is_gimple_min_invariant.
10672
10673         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
10674         (print_node): Likewise.
10675         Print TYPE_SIZES_GIMPLIFIED.
10676
10677 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
10678
10679         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
10680         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
10681         operands as commutative in constraints.
10682
10683 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
10684
10685         * tree-into-ssa.c: Re-organize internal functions.
10686
10687 2005-02-24  Richard Henderson  <rth@redhat.com>
10688
10689         PR middle-end/18902
10690         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
10691         for c99.
10692         * common.opt (fcx-limited-range): New.
10693         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
10694         * toplev.c (flag_complex_method): Initialize to 1.
10695         (process_options): Set flag_complex_method to 0 if
10696         flag_cx_limited_range.
10697         * doc/invoke.texi (-fcx-limited-range): New.
10698
10699 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
10700
10701         * cse.c (delete_trivially_dead_insns): Speed up by using
10702         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
10703         prev_real_insn.
10704
10705 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
10706
10707         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
10708         functions when -mid-shared-library is being used.
10709
10710 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
10711
10712         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
10713         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
10714         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
10715         * system.h: Poison LINK_LIBGCC_SPECIAL.
10716
10717 2005-02-23  James E Wilson  <wilson@specifixinc.com>
10718
10719         * gengtype.c (note_insn_name): Make 1 element larger.
10720
10721 2005-02-23  Roger Sayle  <roger@eyesopen.com>
10722
10723         PR target/20018
10724         PR rtl-optimization/20097
10725         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
10726         BImode SUBREGs of SImode registers which confuse the ia64 backend.
10727
10728 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
10729
10730         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
10731         * t-aix52 (SHLIB_INSTALL): Same.
10732
10733 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
10734
10735         * genpreds.c: Update copyright.
10736
10737 2005-02-23  Michael Beach  <michaelb@ieee.org>
10738
10739         PR target/20159
10740         * config/sparc/t-elf (startup files): Assemble with CPP.
10741
10742 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
10743
10744         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
10745         (write_predicate_expr): Likewise.
10746
10747 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
10748
10749         PR tree-optimization/20100
10750         PR tree-optimization/20115
10751         * tree-optimize.c (init_tree_optimization_passes): Remove
10752         pass_maybe_create_global_var.
10753         * tree-pass.h (pass_maybe_create_global_var): Remove.
10754         * tree-ssa-alias.c (aliases_computed_p): Declare.
10755         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
10756         (count_calls_and_maybe_create_global_var): Remove.
10757         (pass_maybe_create_global_var): Remove.
10758         (init_alias_info): Do not declare aliases_computed_p.
10759         (maybe_create_global_var): If the function contains no
10760         call-clobbered variables and a mix of pure/const and regular
10761         function calls, create .GLOBAL_VAR.
10762         Mark all call-clobbered variables for renaming.
10763         (merge_pointed_to_info): Update comment.
10764         (add_pointed_to_var): Likewise.
10765         (is_escape_site): Likewise.
10766         Accept struct alias_info * instead of size_t *.
10767         Update all users.
10768         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
10769         as necessary.
10770         * tree-ssa-operands.c (get_call_expr_operands): If
10771         ALIASES_COMPUTED_P is false, do not add call-clobbering
10772         operands.
10773         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
10774         (delete_tree_ssa): Likewise.
10775
10776 2005-02-22  James E Wilson  <wilson@specifixinc.com>
10777
10778         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
10779         (do_compile): Do call it here.
10780
10781 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
10782
10783         PR rtl-optimization/20017.
10784         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
10785         rest_of_handle_cse2, rest_of_handle_gcse): Call
10786         delete_dead_jumptables immediately before calling cleanup_cfg.
10787
10788 2005-02-22  Devang Patel  <dpatel@apple.com>
10789
10790         PR 19952
10791         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
10792         all labels
10793
10794 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
10795
10796         * config/rs6000/aix.h (WINT_TYPE): Define.
10797
10798 2005-02-22  Stan Shebs  <shebs@apple.com>
10799
10800         * config/rs6000/rs6000.c (rs6000_override_options): Default to
10801         natural alignment for 64-bit Darwin.
10802         (rs6000_parse_alignment_option): Warn about uses of -malign-power
10803         on 64-bit Darwin.
10804         * doc/invoke.texi: Document this.
10805
10806 2005-02-22  DJ Delorie  <dj@redhat.com>
10807
10808         * c-common.c (c_common_type_for_mode): Pass the mode's precision
10809         to make_[un]signed_type, not the mode itself.
10810
10811 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
10812
10813         * cfg.c (cached_make_edge): Call make_edge if edge cache is
10814         not available.  Use tail calls wherever possible.
10815         (make_edge): Call unchecked_make_edge to create an edge.
10816
10817         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
10818         (coalesce_ssa_name): Don't check for
10819         SSANORM_USE_COALESCE_LIST.
10820         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
10821
10822 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
10823
10824         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
10825         (rewrite_into_ssa): ... here.
10826
10827 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
10828
10829         PR tree-optimization/19786
10830         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
10831         tag to another's may-alias bitmap when adding to the other's list.
10832
10833 2005-02-21  DJ Delorie  <dj@redhat.com>
10834
10835         * tree-ssa-loop-ivopts.c (computation_cost): Start register
10836         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
10837         registers in unsupported ways.
10838         * expmed.c (init_expmed): Likewise.
10839
10840 2005-02-21  Stan Cox  <scox@redhat.com>
10841
10842         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
10843
10844 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
10845
10846         * tree-cfg.c (fold_cond_expr_cond): New.
10847         (make_edges): Call fold_cond_expr_cond.
10848         (find_taken_edge): Accept nothing but INTEGER_CST.
10849         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
10850         and 1.
10851         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
10852
10853         * flow.c (delete_dead_jumptables): Speed up by scanning insns
10854         that do not belong to any basic block.
10855
10856 2005-02-21  Jeff Law  <law@redhat.com>
10857
10858         * cfganal.c (find_unreachable_blocks): Manually CSE load of
10859         e->dest.
10860
10861 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
10862
10863         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
10864         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
10865         Adjust their definitions.
10866         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
10867         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
10868
10869         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
10870         genautomata.c, langhooks.c, langhooks.h, system.h,
10871         config/arm/lib1funcs.asm: Update copyright.
10872
10873 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
10874
10875         * dbxout.c (dbxout_function_end): Emit Lscope label always.
10876
10877 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
10878
10879         PR bootstrap/13770
10880         * doc/install.texi: Document --with-gc.
10881
10882 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
10883
10884         * simplify-rtx.c (simplify_unary_operation): Add a missing
10885         "break" statement.
10886
10887 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10888
10889         PR tree-optimization/18663
10890         * tree-ssa-dom.c (extract_range_from_cond): Return 0
10891         if the type has variable bounds.
10892
10893 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
10894
10895         * gcse.c: Remove an obsolete comment.
10896
10897         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
10898
10899 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
10900
10901         * doc/extend.texi (Function Attributes) <Attribute const>: The
10902         attribute "pure" is below this text, not above.
10903
10904 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10905
10906         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
10907         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
10908         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
10909
10910 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
10911
10912         PR 18785
10913         * langhooks.h (struct lang_hooks): Add to_target_charset.
10914         * langhooks.c (lhd_to_target_charset): New function.
10915         * langhooks-def.h: Declare lhd_to_target_charset.
10916         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
10917         (LANG_HOOKS_INITIALIZER): Update.
10918         * c-common.c (c_common_to_target_charset): New function.
10919         * c-common.h: Declare it.
10920         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
10921         c_common_to_target_charset.
10922
10923         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
10924         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
10925         Delete definitions.
10926         * system.h: Poison them.
10927         * doc/tm.texi: Don't discuss them.
10928         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
10929         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
10930         (pp_c_char): Do not attempt to generate letter escapes for
10931         newline, tab, etc.
10932         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
10933         * config/mips/mips.c (mips_output_ascii): Likewise.
10934
10935 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
10936
10937         PR tree-optimization/19951
10938         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
10939         is abnormal.
10940
10941 2005-02-19  Steven Bosscher  <stevenb@suse.de>
10942
10943         PR middle-end/19698
10944         * function.h (struct function): New field `max_loop_depth'.
10945         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
10946         (flow_loops_find): Reset the max loop depth count before finding loops.
10947         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
10948         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
10949         (calculate_global_regs_live): Make sure the loop will terminate
10950         when the initial sets are not empty.
10951
10952 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
10953
10954         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
10955         object inside.
10956         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
10957
10958 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
10959
10960         PR other/19525
10961         * doc/invoke.texi: Remove documentation of %M spec.
10962         * gcc.c: Likewise.
10963         (init_spec): Remove %M suffix from -lgcc_s.
10964         (do_spec_1): Remove 'M' case.
10965         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
10966         to put shared libraries in the multilib directory.  Remove the
10967         shlib_so_soname substitution variable.  Don't add a multilib encoding
10968         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
10969         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
10970         SHLIB_INSTALL as well as SHLIB_LINK.
10971         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
10972         (SHLIB_NAME): Delete.
10973         (SHLIB_DIR): New macro.
10974         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
10975         (SHLIB_INSTALL): Adjust accordingly.
10976         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
10977         * config/t-slibgcc-sld: Likewise.
10978         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
10979         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
10980         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
10981         in $(SHLIB_DIR).
10982         (SHLIBUNWIND_INSTALL): Adjust accordingly.
10983         * config/i386/t-nwld (SHLIB_SONAME): Delete.
10984         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
10985         Use @shlib_base_name@ instead of @shlib_so_name@.
10986         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
10987         and @shlib_base_name@.so in @multilib_dir@.
10988         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
10989         to the install path.
10990         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
10991         (SHLIB_LINK): Remove previous workaround.
10992         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
10993         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
10994         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
10995         the install path.
10996         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
10997         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
10998         (SHLIB_INSTALL): Adjust accordingly.
10999         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
11000         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
11001         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
11002         config/t-slibgcc-elf-ver.
11003
11004 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
11005             Jakub Jelinek  <jakub@redhat.com>
11006
11007         PR tree-optimization/19828
11008         * tree-ssa-loop-im.c: Add a TODO comment.
11009         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
11010         without side-effects.
11011
11012 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
11013
11014         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
11015         call fold_convert.
11016
11017 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
11018
11019         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
11020         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
11021         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
11022         functions.
11023         (ia64_reorg): Delete fixup_errata call.
11024         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
11025         (TARGET_SWITCHES): Delete -mb-step entry.
11026
11027 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
11028
11029         PR c/20043
11030         * c-typeck.c (composite_type): Handle quals in transparent unions.
11031         (type_lists_compatible_p): Likewise.
11032
11033 2005-02-18  Stan Shebs  <shebs@apple.com>
11034
11035         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
11036         expressions in the .literal8 section.
11037
11038 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
11039
11040         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
11041
11042 2005-02-18  Roger Sayle  <roger@eyesopen.com>
11043
11044         * fold-const.c (constant_boolean_node): Always create values of the
11045         specified type, don't bother calling truthvalue_conversion.
11046
11047 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
11048
11049         * except.c (output_function_exception_table): Call
11050         assemble_external_libcall (eh_personality_libfunc).
11051
11052 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
11053
11054         PR target/19886
11055         * config/ia64/ia64.h (struct machine_function): Add state_num.
11056         * config/ia64/ia64.c (process_epilogue,
11057         process_for_unwind_directive): Use new unwind state numbers each
11058         time rather than state 1.
11059
11060 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
11061
11062         PR target/20054
11063         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
11064         before the "*llgt_didi" pattern.
11065
11066 2005-02-18  Jason Merrill  <jason@redhat.com>
11067
11068         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
11069
11070 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
11071
11072         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
11073         (div0): Use it in place of ARM_FUNC_ALIAS.
11074         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
11075
11076 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
11077
11078         PR middle-end/20030
11079         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
11080         access, the lower bound of the array type if it exists.
11081
11082 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
11083
11084         PR c++/20008
11085         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
11086         cases that are out-of-range for the index type.
11087
11088 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
11089
11090         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
11091         (estimate_case_costs): Don't call convert.
11092         * expmed.c (expand_shift): Likewise.
11093         (make_tree): Call fold_convert instead of convert.
11094
11095 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
11096
11097         PR c++/19813
11098         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
11099         that ref to be marked MEM_READONLY_P doesn't have base that needs
11100         constructing.
11101
11102 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
11103
11104         * genautomata.c (output_get_cpu_unit_code_func,
11105         output_cpu_unit_reservation_p): Don't generate old-style function
11106         definitions.
11107
11108 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
11109
11110         PR c++/20023
11111         PR tree-optimization/20009
11112         * convert.c (convert_to_integer): Revert 2005-02-16 change.
11113
11114         PR tree-optimization/18947
11115         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
11116         inline, remove all nodes that are inlined into the extern inline
11117         being redefined.
11118
11119 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
11120
11121         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
11122         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
11123         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
11124         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
11125         Update copyright.
11126
11127 2005-02-17  Roger Sayle  <roger@eyesopen.com>
11128
11129         PR tree-optimization/19917
11130         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
11131         to be potentially trapping.
11132
11133 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
11134
11135         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
11136
11137 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
11138
11139         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
11140         tem becomes a local variable which is set to the value of the
11141         back end defined INITIAL_FRAME_ADDRESS macro.
11142         (expand_builtin_frame_address): Omit the base parameter to
11143         expand_builtin_return_addr.
11144         (expand_builtin_profile_func): Likewise.
11145         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
11146         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
11147         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
11148
11149 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
11150
11151         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
11152         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
11153         * config/frv/frv.c (frv_function_epilogue): Likewise.
11154
11155 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
11156
11157         * lambda-code (perfect_nestify): Remove mark/unmark
11158         for rewriting hack.
11159         * tree-loop-linear.c (linear_transform_loops): Add
11160         rewrite_into_ssa call so that ssa is correct for
11161         rewriting into loop closed.
11162
11163 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
11164
11165         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
11166         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
11167         BITMAP_FREE.
11168         * bt-load.c (btr_def_live_range, combine_btr_defs,
11169         migrate_btr_def, migrate_btr_defs): Likewise.
11170         * cfgcleanup.c (thread_jump): Likewise.
11171         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
11172         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
11173         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
11174         df_rd_local_compute, df_reg_info_compute): Likewise.
11175         * dominance.c (init_dom_info, free_dom_info): Likewise.
11176         * flow.c (init_propagate_block_info,
11177         free_propagate_block_info): Likewise.
11178         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
11179         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
11180         modify_reg_pav): Likewise.
11181         * loop-invariant.c (find_defs, find_invariant_insn,
11182         find_invariants, free_inv_motion_data): Likewise.
11183         * predict.c (tree_predict_by_opcode,
11184         estimate_bb_frequencies): Likewise.
11185         * stmt.c (expand_case): Likewise.
11186         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
11187         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
11188         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
11189         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
11190         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
11191         rewrite_ssa_into_ssa): Likewise.
11192         * tree-optimize.c (tree_rest_of_compilation): Likewise.
11193         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
11194         analyze_edges_for_bb, perform_edge_inserts): Likewise.
11195         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
11196         * tree-sra.c (tree_sra): Likewise.
11197         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
11198         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
11199         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
11200         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
11201         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
11202         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
11203         Likewise.
11204         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
11205         calculate_live_on_entry, calculate_live_on_exit,
11206         build_tree_conflict_graph): Likewise.
11207         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
11208         record_important_candidates, set_use_iv_cost, find_depends,
11209         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
11210         tree_ssa_iv_optimize_finalize): Likewise.
11211         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
11212         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
11213         tree_duplicate_loop_to_header_edge): Likewise.
11214         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
11215         * tree-ssa.c (verify_flow_insensitive_alias_info,
11216         verify_name_tags, verify_ssa, init_tree_ssa,
11217         delete_tree_ssa): Likewise.
11218         * tree-ssanames.c (marked_ssa_names, init_ssanames,
11219         fini_ssanames): Likewise.
11220         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
11221
11222 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
11223
11224         * config/rs6000/t-rtems: Completely reworked.
11225
11226 2005-02-17  Ira Rosen  <irar@il.ibm.com>
11227
11228         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
11229
11230 2005-02-17  Ira Rosen  <irar@il.ibm.com>
11231
11232         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
11233         POINTER_TYPE_P when checking that type is a pointer.
11234         (vect_get_memtag): Remove.
11235         (vect_address_analysis): Use POINTER_TYPE_P. Call
11236         vect_object_analysis with dummy parameter for memtag.
11237         (vect_object_analysis): Extract memtag (functionality that
11238         used to be in vect_get_memtag and moved here). Fix printings.
11239         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
11240         with correct parameters. Remove call to vect_get_memtag.
11241
11242 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
11243
11244         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
11245         (tree-vectorizer.o): Added missing dependencies.
11246
11247         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
11248         decleration.
11249         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
11250         declaration in tree-vectorizer.c, now has an extern declaration in
11251         tree-vectorizer.h).
11252         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
11253         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
11254         get_vectype_for_scalar_type, vect_is_simple_use,
11255         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
11256         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
11257         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
11258         vectorizable_store, vectorizable_operation, vectorizable_assignment,
11259         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
11260         find_loop_location): Likewise.
11261
11262         * tree-vectorizer.c (langhooks.h): #include removed.
11263         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
11264         moved to tree-vectorized.h.
11265         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
11266         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
11267         get_vectype_for_scalar_type, vect_is_simple_use,
11268         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
11269         vect_supportable_dr_alignment, new_loop_vec_info,
11270         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
11271         vect_set_verbosity_level, find_loop_location): Likewise.
11272
11273         (vect_analyze_loop): Function externalized. Declaration moved to
11274         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
11275         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
11276         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
11277         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
11278         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
11279         vect_enhance_data_refs_alignment, vect_analyze_operations,
11280         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
11281         vect_stmt_relevant_p, vect_get_loop_niters,
11282         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
11283         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
11284         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
11285         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
11286         vect_get_memtag): Likewise.
11287
11288         (vectorizable_load): Function externalized. Declaration moved to
11289         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
11290         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
11291         vect_transform_loop): Likewise.
11292         (vect_transform_stmt): Moved to tree-vect-transform.c.
11293         (vect_align_data_ref, vect_create_destination_var,
11294         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
11295         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
11296         vect_get_vec_def_for_operand, vect_init_vector,
11297         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
11298         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
11299         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
11300         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
11301         vect_do_peeling_for_loop_bound): Likewise.
11302
11303         * tree-vect-analyze.c: New file.
11304         * tree-vect-transform.c: New file.
11305
11306 2005-02-17  Jason Merrill  <jason@redhat.com>
11307
11308         PR mudflap/19319, c++/19317
11309         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
11310         slot explicit.
11311
11312 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
11313
11314         * doc/install.texi (Specific): Update link for Darwin-specific
11315         tool binary site.
11316
11317 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
11318
11319         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
11320         constant_boolean_node.
11321
11322 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
11323
11324         PR target/19019
11325         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
11326         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
11327
11328 2005-02-16  Richard Henderson  <rth@redhat.com>
11329
11330         PR 19920
11331         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
11332         with W_TYPE_SIZE.
11333         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
11334         replace uses with Wtype_MAXp1_F.
11335         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
11336         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
11337         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
11338         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
11339         and HAVE_TFMODE as appropriate.
11340         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
11341         (__floatdisf): Likewise.
11342         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
11343         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
11344         (Wtype_MAXp1_F): New.
11345         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
11346         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
11347
11348 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
11349
11350         * PR target/19162
11351         * arm.c (arm_apply_result_size): New function.
11352         * arm.h (APPLY_RESULT_SIZE): Define.
11353         * arm-protos.h (arm_apply_result_size): Add prototype.
11354         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
11355         (movxf): New expand.
11356         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
11357         (call_value_symbol): Remove predicate for operand 0.
11358         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
11359         (untyped_call): Rework to correclty return values for any type.
11360         (untyped_return): New expand.
11361         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
11362
11363 2005-02-16  Stan Shebs  <shebs@apple.com>
11364
11365         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
11366         * config/rs6000/t-darwin8: New, for 64-bit multilib.
11367
11368 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
11369
11370         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
11371         configure settings on Solaris 7 and later.
11372
11373 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
11374
11375         PR tree-optimization/19865
11376         * tree-optimize.c (init_tree_optimization_passes): Run
11377         pass_may_alias after pass_sra.
11378
11379 2005-02-16  Richard Henderson  <rth@redhat.com>
11380             Stuart Hastings  <stuart@apple.com>
11381
11382         PR debug/19521
11383         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
11384         Do nothing if debug info suppressed for this function.
11385         (dbxout_begin_function): Early exit if debug info suppressed for
11386         this function.
11387
11388 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
11389
11390         PR target/20007
11391         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
11392         find_basic_blocks.
11393         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
11394
11395         PR tree-optimization/19967
11396         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
11397         expand_builtin_strchr, expand_builtin_strrchr): Take a new
11398         argument TYPE.  Adjust calls to fold_builtin_XXX.
11399         (expand_builtin, fold_builtin_1): Adjust calls to
11400         expand_builtin_XXX.
11401         (fold_builtin_strchr, fold_builtin_strpbrk,
11402         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
11403         result to a requested type TYPE.
11404
11405 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
11406
11407         PR middle-end/19857
11408         * fold-const.c (fold): Don't optimize (T)(x & cst) to
11409         (T)x & (T)cst if (T)cst overflows.
11410         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
11411         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
11412
11413 2005-02-15  Jeff Law  <law@redhat.com>
11414
11415         * gcse.c (blocks_with_calls): New bitmap.
11416         (alloc_gcse_mem): Allocate it.
11417         (free_gcse_mem): Free it.
11418         (clear_modifY_mem_tables): Clear it.
11419         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
11420         when we encounter CALL_INSNs.
11421         (compute_transp, case MEM): Handle blocks with calls separate
11422         from blocks without calls.  Use bitmap iterators rather than
11423         FOR_EACH_BB.
11424
11425 2005-02-15  Peter O'Gorman  <peter@pogma.com>
11426
11427         PR bootstrap/18810
11428         * mklibgcc.in (vis_hide): Use a temporary object file, not
11429         -o /dev/null.
11430
11431 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
11432
11433         PR target/19924
11434         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
11435         access optimization.
11436
11437 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
11438             Alan Modra  <amodra@bigpond.net.au>
11439
11440         PR target/19019
11441         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
11442         (_xlqsub): Rename to __gcc_qsub.
11443         (_xlqmul): Rename to __gcc_qmul.
11444         (_xlqdiv): Rename to __gcc_qdiv.
11445         Provide versioned symbol aliases with old names.
11446         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
11447         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
11448         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
11449         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
11450         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
11451
11452 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
11453
11454         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
11455         Fold ~(A - 1) and ~(A + -1) to -A.
11456
11457 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
11458
11459         PR pch/14940
11460         PR target/19300
11461         * config/host-linux.c (linux_gt_pch_use_address): Copy from
11462         config/pa/pa-host.c:pa_gt_pch_use_address.
11463
11464 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
11465
11466         * tree-vn.c (get_value_handle): Make sure that given an
11467         is_gimple_min_invariant expression, we always return it.
11468
11469 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
11470
11471         * passes.c (rest_of_handle_gcse): Fix a comment.
11472
11473 2005-02-15  Jeff Law  <law@redhat.com>
11474
11475         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
11476         bitmap.
11477         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
11478         (canon_list_insert, record_last_mem_set_info): Similarly.
11479         (clear_modify_mem_tables): Similarly.
11480
11481 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
11482
11483         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
11484         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
11485         config/mips/mips.md, config/rs6000/aix.h,
11486         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
11487
11488 2005-02-15  Richard Henderson  <rth@redhat.com>
11489
11490         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
11491         call to be best_edge.
11492
11493 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
11494
11495         * basic-block.h: Adjust the prototype for find_basic_blocks.
11496         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
11497         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
11498         find_basic_blocks.
11499
11500         * flow.c (recompute_reg_usage): Remove all arguments.
11501         * passes.c (rest_of_compilation): Adjust the call to
11502         recompute_reg_usage.
11503         * rtl.h: Adjust the prototype for recompute_reg_usage.
11504
11505 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
11506
11507         * tree-dump.c (dump_files): Update to reflect new member
11508         of dump_file_info.
11509         (dump_register): Add new argument.
11510         Set glob name.
11511         (dump_switch_p_1): Check against glob name if doglob was passed.
11512         (dump_switch_p): Check against regular first, then glob if
11513         we didn't have any hits on the dump name.
11514         * tree-optimize.c (register_one_dump_file):
11515         Pass in glob name as well.
11516         * tree-pass.h (struct dump_file_info): Add glob
11517         member.
11518
11519 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
11520
11521         PR preprocessor/16323
11522         * doc/invoke.texi: Document that -Wendif-labels is on by default.
11523
11524 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
11525
11526         PR target/19019
11527         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
11528         (trunctfdf2_internal1): New.
11529         (trunctfdf2_internal2): Renamed from trunctfdf2.
11530
11531 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
11532
11533         PR tree-optimization/19853
11534         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
11535
11536 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
11537
11538         * passes.c (rest_of_handle_loop_optimize): Remove calls to
11539         delete_dead_jumptables and cleanup_cfg.
11540
11541 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
11542
11543         * reload.c (find_reloads): Swap address_reloaded flags when
11544         swapping commutative operands.
11545
11546 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
11547
11548         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
11549         Use standard_iv_increment_position for computing the bsi position
11550         for create_iv.
11551         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
11552         the bsi position.
11553
11554 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
11555
11556         PR target/17428
11557         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
11558         life range of hard registers.
11559         * value-prof.c (insn_prefetch_values_to_profile): Only
11560         scan normal insns.
11561
11562         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
11563         profile in libcalls.
11564
11565 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
11566
11567         * bitmap.h (bitmap_and_compl_into): Return bool.
11568         * bitmap.c (bitmap_and_compl_into): Return changed flag.
11569
11570 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
11571
11572         PR tree-optimization/19944
11573         * fold-const.c (fold): Re-add ABS_EXPR folding.
11574
11575 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
11576
11577         PR target/19019
11578         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
11579         {TARGET,MASK}_XL_COMPAT.
11580         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
11581         MASK_XL_COMPAT.
11582         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
11583         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
11584         TARGET_XL_COMPAT.
11585         (rs6000_arg_partial_bytes): Same.
11586         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
11587         and XL compatibility enabled.
11588         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
11589         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
11590         test to final condition.
11591         (cmptf_internal2): New.
11592         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
11593         xl-compat.  Add TFmode information to description.
11594
11595 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
11596
11597         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
11598
11599 2005-02-13  Jason Merrill  <jason@redhat.com>
11600
11601         PR c++/16405
11602         * fold-const.c (fold_indirect_ref_1): Split out from...
11603         (build_fold_indirect_ref): Here.
11604         (fold_indirect_ref): New fn.
11605         * tree.h: Declare it.
11606         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
11607         (gimplify_modify_expr_rhs): Likewise.
11608         (gimplify_expr): Likewise.
11609
11610 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
11611
11612         PR tree-optimization/14303
11613         PR tree-optimization/15784
11614         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
11615         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
11616         ABS_EXPR<x> != 0 to x != 0.
11617
11618 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
11619
11620         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
11621         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
11622         spelling conventions.
11623
11624         * passes.c (rest_of_handle_gcse): Don't run cse_main and
11625         delete_trivially_dead_insns too many times.
11626
11627         * passes.c (rest_of_handle_gcse): Remove dead assignments to
11628         tem and tem2.
11629
11630 2005-02-12  Ira Rosen  <irar@il.ibm.com>
11631
11632         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
11633         (vect_is_simple_iv_evolution): Remove redundant parameter
11634         and step check.
11635         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
11636         without last parameter.
11637         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
11638         Return pointer step. Call vect_is_simple_iv_evolution without
11639         last parameter. Check only that the step is multiple of size
11640         type. Remove stmt_vinfo updates.
11641         (vect_get_memtag_and_dr): Remove.
11642         (vect_get_memtag): New function.
11643         (vect_address_analysis): New function.
11644         (vect_object_analysis): New function.
11645         (vect_analyze_data_refs): Call vect_object_analysis and
11646         vect_get_memtag. Update stmt_vinfo fields.
11647
11648 2005-02-12  Ira Rosen  <irar@il.ibm.com>
11649
11650         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
11651         exist and are objects. Remove checks for pointer.
11652         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
11653         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
11654         (vect_create_data_ref_ptr): Likewise.
11655         (vect_base_addr_differ_p): New function.
11656         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
11657         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
11658         Don't set the DR_BASE_NAME field of data-ref.
11659         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
11660
11661 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
11662
11663         * optabs.h (enum optab_index): Add new OTI_ldexp.
11664         (ldexp_optab): Define corresponding macro.
11665         * optabs.c (init_optabs): Initialize ldexp_optab.
11666         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
11667         patterns.
11668         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
11669         using ldexp_optab.
11670         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
11671         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
11672
11673         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
11674         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
11675         intrinsics.
11676
11677 2005-02-12  Ira Rosen  <irar@il.ibm.com>
11678
11679         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
11680         to base_address.
11681         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
11682         stmt_vec_info.
11683         (vect_get_base_and_offset): Always return an address.
11684         (vect_create_addr_base_for_vector_ref): Remove treatment for
11685         different data reference types.
11686         (vect_compute_data_ref_alignment): Rename base to base_address in
11687         stmt_vec_info. Get the object in order to force its alignment.
11688         (vect_get_memtag_and_dr): Rename base to base_address in
11689         stmt_vec_info. Extract the object for memtag analysis.
11690
11691 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
11692
11693         PR regression/19898.
11694         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
11695         changes cc_status, use apply modified_in_p to part of cc_status
11696         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
11697         body.
11698
11699 2005-02-11  Richard Henderson  <rth@redhat.com>
11700
11701         * tree-complex.c (expand_complex_libcall): New.
11702         (expand_complex_multiplication): Use it for c99 compliance.
11703         (expand_complex_division): Likewise.
11704         * fold-const.c (fold_complex_add, fold_complex_mult): New.
11705         (fold): Call them.
11706         * builtins.c (built_in_names): Remove const.
11707         * tree.c (build_common_builtin_nodes): Build complex arithmetic
11708         builtins.
11709         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
11710         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
11711         (built_in_names): Remove const.
11712         * c-common.c (c_common_type_for_mode): Handle complex modes.
11713         * flags.h, toplev.c (flag_complex_method): Rename from
11714         flag_complex_divide_method.
11715         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
11716         __mulsc3, __muldc3, __mulxc3, __multc3): New.
11717         * libgcc2.h: Declare them.
11718         * libgcc-std.ver: Export them.
11719         * mklibgcc.in (lib2funcs): Build them.
11720
11721 2005-02-11  Steven Bosscher  <stevenb@suse.de>
11722
11723         PR tree-optimization/19876
11724         Partially revert my change from 2005-01-14
11725         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
11726         (compute_antic): ...and remove the loop here.
11727
11728 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
11729
11730         PR middle-end/19858
11731         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
11732         is number of inner's bits, avoid creating a BIT_FIELD_REF.
11733
11734         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
11735         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
11736
11737 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
11738
11739         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
11740         offsets for the big-endian 32-bit case.
11741
11742 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
11743
11744         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
11745
11746 2005-02-11  Dale Johannesen  <dalej@apple.com>
11747
11748         * cselib.c (cselib_process_insn):  Clear out regs where
11749         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
11750         * reload.c (find_equiv_reg): Ditto.
11751
11752 2005-02-11  Ian Lance Taylor  <ian@airs.com>
11753
11754         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
11755         with no elements.
11756
11757         * tree.c (build_function_type_list): Work correctly if there are
11758         no arguments.
11759
11760 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
11761
11762         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
11763         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
11764         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
11765         TARGET_ZARCH instead of TARGET_64BIT.
11766
11767 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
11768
11769         * config/rs6000/t-rtems:
11770         (MULTILIB_OPTIONS): Remove mcpu=602.
11771         (MUTLILIB_DIRNAMES): Remove m602.
11772         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
11773         Let mcpu=602 match mcpu=603.
11774         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
11775
11776 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11777
11778         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
11779         signal trampolines.
11780
11781 2005-02-10  David Daney  <ddaney@avtrex.com>
11782
11783         * config/alpha/linux-unwind.h: Add exception clause to copyright.
11784         * config/i386/linux-unwind.h: Likewise.
11785         * config/ia64/linux-unwind.h: Likewise.
11786         * config/mips/linux-unwind.h: Likewise.
11787         * config/pa/linux-unwind.h: Likewise.
11788         * config/rs6000/linux-unwind.h: Likewise.
11789         * config/s390/linux-unwind.h: Likewise.
11790         * config/sh/linux-unwind.h: Likewise.
11791         * config/sparc/linux-unwind.h: Likewise.
11792
11793 2005-02-10  Steven Bosscher  <stevenb@suse.de>
11794
11795         PR tree-optimization/17549
11796         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
11797         TER to replace a DEF with its expression if the DEF and the
11798         rhs of the expression we replace into have the same root
11799         variable.
11800
11801 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
11802
11803         * config/mips/mips.md: Fix the placement of the match_scratch in the
11804         lea64 peephole2.
11805
11806 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
11807
11808         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
11809         Fix comment typos.
11810
11811 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
11812
11813         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
11814         (strip_offset): Handle addresses.
11815         (add_address_candidates): Use strip_offset.
11816         (difference_cost): Reflect strip_offset change.
11817         (force_var_cost, difference_cost): Strip nops.
11818
11819 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
11820
11821         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
11822
11823         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
11824         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
11825         config/cris/cris-protos.h, config/cris/cris.c: Update
11826         copyright.
11827
11828 2005-02-10  Jeff Law  <law@redhat.com>
11829
11830         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
11831         (lookup_avail_expr): Similarly.
11832
11833 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
11834
11835         * builtins.c (fold_builtin_powi): New function.
11836         (fold_builtin_1): Call it.
11837
11838 2005-02-10  Steven Bosscher  <stevenb@suse.de>
11839
11840         PR documentation/19309
11841         * doc/cpp.texi: The __GNUC__ and related predefined macros
11842         are also defined for the "standalone" cpp.
11843         Some non-GCC compilers may also define __GNUC__.
11844
11845 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
11846
11847         PR c/19342
11848         * c-typeck.c (common_type): New routine.  Old common_type renamed
11849         to...
11850         (c_common_type): ...this.
11851         (build_conditional_expr, build_binary_op): Use c_common_type instead
11852         of common_type.
11853
11854 2005-02-10  Steven Bosscher  <stevenb@suse.de>
11855
11856         * doc/md.texi: Replace @samp{length} with @code{length}.
11857
11858 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
11859
11860         PR tree-optimization/18687
11861         * tree-flow.h (find_loop_niter): Declare.
11862         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
11863         Try using scev even for loops with more than one exit.
11864         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
11865         (struct ivopts_data): Added niters field.
11866         (struct nfe_cache_elt): New.
11867         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
11868         functions.
11869         (tree_ssa_iv_optimize_init): Initialize niters cache.
11870         (determine_number_of_iterations): Removed.
11871         (find_induction_variables): Do not call determine_number_of_iterations.
11872         Access niters for single exit through niter_for_single_dom_exit.
11873         (add_iv_outer_candidates): Access niters for single exit through
11874         niter_for_single_dom_exit.
11875         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
11876         number_of_iterations_cond.
11877         (iv_period): New function.
11878         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
11879         (may_replace_final_value): Take data argument.  Use
11880         niter_for_single_dom_exit.
11881         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
11882         (rewrite_use_compare): Pass data to may_eliminate_iv.
11883         (rewrite_use_outer): Pass data to may_replace_final_value.
11884         (free_loop_data): Clean up the niters cache.
11885         (tree_ssa_iv_optimize_finalize): Free the niters cache.
11886         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
11887         * tree-ssa-loop-niter.c (find_loop_niter): New function.
11888         (find_loop_niter_by_eval): Use tree_int_cst_lt.
11889         (num_ending_zeros): Moved to tree.c.
11890         * tree.h (num_ending_zeros): Declare.
11891         * tree.c (num_ending_zeros): Moved from tree.c.
11892
11893 2005-02-09  Richard Henderson  <rth@redhat.com>
11894
11895         * builtins.c (DEF_BUILTIN): Add COND argument.
11896         * tree.h (DEF_BUILTIN): Likewise.
11897         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
11898         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
11899         match.
11900         (DEF_BUILTIN_STUB): New.
11901         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
11902         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
11903         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
11904         * c-common.c (DEF_BUILTIN): Add COND argument.
11905         * tree.c (local_define_builtin): New.
11906         (build_common_builtin_nodes): New.
11907
11908 2005-02-09  Roger Sayle  <roger@eyesopen.com>
11909
11910         * fold-const.c (fold_strip_sign_ops): New function to simplify a
11911         floating point expression ignoring the sign of the result.
11912         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
11913         (fold) <MULT_EXPR>: Use it to simplify x*x.
11914         * tree.h (fold_strip_sign_ops): Prototype here.
11915         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
11916         argument.  Use fold_strip_sign_ops to simplify the first argument.
11917         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
11918         first argument when the second argument is an even integer
11919         constant, but only with -funsafe_math_optimizations.
11920         (fold_builtin_1): Update call to fold_builtin_copysign.
11921
11922 2005-02-09  Ian Lance Taylor  <ian@airs.com>
11923
11924         PR middle-end/19583
11925         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
11926         just check whether EH_FILTER_FAILURE falls through.
11927
11928 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
11929
11930         * gcc/haifa-sched.c (schedule_block): Make queued sched group
11931         insns return to ready list in the next turn.
11932
11933 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
11934
11935         PR middle-end/19402
11936         * builtins.def: New __builtin_powi[lf].
11937         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
11938         (expand_builtin_powi): New function.
11939         (expand_builtin): Dispatch to expand_builtin_powi.
11940         * libgcc2.h: Add prototypes for __builtin_powi[lf].
11941         * libgcc2.c: Add __builtin_powi[lf] implementation.
11942         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
11943         * optabs.h: Add powi_optab.
11944         * optabs.c (init_optabs): Initialize powi_optab.
11945         * doc/extend.texi: Document __builtin_powi[lf].
11946
11947 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
11948
11949         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
11950         exists.
11951
11952 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
11953
11954         PR middle-end/19854
11955         * fold-const.c (try_move_mult_to_index): Remove redundant
11956         type argument.  Create ADDR_EXPR with correct type.
11957         (fold): Update callers of try_move_mult_to_index.  Convert
11958         result to the appropriate type.
11959
11960 2005-02-09  Roger Sayle  <roger@eyesopen.com>
11961
11962         PR target/19597
11963         * config/avr/avr.c (default_rtx_costs): Delete.
11964         (avr_operand_rtx_cost): New function.
11965         (avr_rtx_costs): Completely rewrite.
11966
11967 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
11968
11969         PR target/19806
11970         * config/cris/cris.c (in_code): New variable.
11971         (cris_output_addr_const): Now a static function, a wrapper for
11972         output_addr_const.
11973         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
11974         case from old cris_output_addr_const.
11975         (cris_asm_output_label_ref): Similar for LABEL_REF.
11976         (cris_output_addr_const_extra): Similar for UNSPEC.
11977         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
11978         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
11979         * config/cris/cris-protos.h (cris_output_addr_const): Remove
11980         declaration.
11981         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
11982         (cris_asm_output_label_ref): Declare.
11983
11984 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
11985
11986         PR preprocessor/19801
11987         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
11988         filenames that changed when libcpp was moved to the toplevel.
11989
11990 2005-02-07  Roger Sayle  <roger@eyesopen.com>
11991
11992         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
11993         zero extensions of BImode operands.  Call lowpart_subreg instead
11994         of gen_lowpart_common and gen_lowpart_SUBREG.
11995
11996 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
11997
11998         PR ada/19489
11999         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
12000         * configure.ac: Set cc_for_cross_gnattools.
12001         * configure: Regenerate.
12002
12003 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
12004
12005         PR target/19803
12006         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
12007
12008 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
12009
12010         PR debug/19327
12011         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
12012         of nested functions.
12013
12014 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
12015
12016         * doc/extend.texi: Document deprecated extensions allowing
12017         static floating-point members to have initializers and allowing
12018         floating-point literals in integral constant expressions.
12019
12020 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
12021
12022         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
12023         config/darwin7.h, config/mips/mips.c,
12024         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
12025         Update copyright.
12026
12027         * cse.c: Update comments.
12028
12029 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
12030
12031         PR middle-end/19775
12032         * builtins.c (fold_builtin_sqrt): Transform
12033         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
12034         pow(x,y*0.5).
12035
12036 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
12037             Dorit Naishlos  <dorit@il.ibm.com>
12038
12039         * doc/invoke.texi (ftree-vectorizer-verbose): New.
12040         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
12041         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
12042         was added.
12043         * tree.h (vect_set_verbosity_level): New extern function declaration
12044         added.
12045         * tree-vectorizer.h (verbosity_levels): New enum type.
12046         * tree-vectorizer.c (vect_debug_stats): Function removed.
12047         (vect_debug_details): Likewise.
12048         (vect_verbosity_level): Global variable was defined and initialized.
12049         (vect_dump): Global variable definition.
12050         (vect_print_dump_info): New function.
12051         (vect_set_dump_settings): New function.
12052         (vect_set_verbosity_level): New function.
12053         (vectorize_loops): Add call to vect_set_dump_settings.
12054
12055         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
12056         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
12057         (slpeel_tree_peel_loop_to_edge): Likewise.
12058
12059         (vect_analyze_offset_expr): Call to vect_print_dump_info with
12060         appropriate verbosity level instead of call to vect_debug_details
12061         or vect_debug_stats.
12062         (vect_get_base_and_offset):
12063         (vect_create_addr_base_for_vector_ref):
12064         (get_vectype_for_scalar_type):
12065         (vect_create_data_ref_ptr):
12066         (vect_init_vector):
12067         (vect_get_vec_def_for_operand):
12068         (vect_finish_stmt_generation):
12069         (vectorizable_assignment):
12070         (vectorizable_operation):
12071         (vectorizable_store):
12072         (vectorizable_load):
12073         (vect_transform_stmt):
12074         (vect_update_ivs_after_vectorizer):
12075         (vect_do_peeling_for_loop_bound):
12076         (vect_update_inits_of_drs):
12077         (vect_do_peeling_for_alignment):
12078         (vect_transform_loop):
12079         (vect_is_simple_use):
12080         (vect_analyze_operations):
12081         (vect_is_simple_iv_evolution):
12082         (vect_analyze_scalar_cycles):
12083         (vect_analyze_data_ref_dependence):
12084         (vect_analyze_data_ref_dependences):
12085         (vect_compute_data_ref_alignment):
12086         (vect_enhance_data_refs_alignment):
12087         (vect_analyze_data_refs_alignment):
12088         (vect_analyze_data_ref_access):
12089         (vect_analyze_data_ref_accesses):
12090         (vect_analyze_pointer_ref_access):
12091         (vect_get_memtag_and_dr):
12092         (vect_analyze_data_refs):
12093         (vect_mark_relevant):
12094         (vect_stmt_relevant_p):
12095         (vect_mark_stmts_to_be_vectorized):
12096         (vect_can_advance_ivs_p):
12097         (vect_get_loop_niters):
12098         (vect_analyze_loop_form):
12099         (vect_analyze_loop):
12100         (vectorize_loops): Likewise.
12101
12102         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
12103         (vect_update_inits_of_drs):
12104         (vect_do_peeling_for_alignment):
12105         (vect_transform_loop):
12106         (vect_analyze_operations):
12107         (vect_analyze_scalar_cycles):
12108         (vect_analyze_data_ref_dependences):
12109         (vect_analyze_data_refs_alignment):
12110         (vect_analyze_data_ref_accesses):
12111         (vect_analyze_data_refs):
12112         (vect_mark_stmts_to_be_vectorized):
12113         (vect_get_loop_niters):
12114         (vect_analyze_loop_form):
12115         (vect_analyze_loop): Likewise.
12116         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
12117
12118 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
12119
12120         PR bootstrap/19796
12121         Revert:
12122         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
12123         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
12124         either -ffast-math or -funsafe-math-optimizations is in use.
12125
12126         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
12127         * config/mips/irix-csr.c: New file.
12128         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
12129         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
12130         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
12131         executables.
12132
12133 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
12134
12135         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
12136         redundant, incorrect definitions.
12137
12138         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
12139         expand.
12140         ("*tls_indirect_call"): New, reference hard regs directly.
12141         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
12142
12143 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
12144
12145         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
12146         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
12147
12148 2005-02-06  Roger Sayle  <roger@eyesopen.com>
12149
12150         PR rtl-optimization/19800
12151         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
12152         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
12153         gen_lowpart.
12154
12155 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
12156
12157         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
12158
12159 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
12160
12161         PR other/17135
12162         * doc/invoke.texi: Correct documentation of -freorder-functions.
12163
12164 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
12165
12166         PR other/14402
12167         * doc/invoke.texi: Don't mention gccbug.
12168
12169 2005-02-06  Roger Sayle  <roger@eyesopen.com>
12170             Andrew Pinski  <pinskia@physics.uc.edu>
12171             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
12172
12173         * simplify-rtx.c (simplify_relational_operation_1): Simplify
12174         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
12175         into just (zero_extract:SI FOO (const_int 1) BAR).
12176
12177 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
12178
12179         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
12180         macro locally.  Don't give last revision date.  Use GCC version
12181         number from gcc-common.texi.
12182         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
12183         revision date.  Use GCC version number from gcc-common.texi.
12184         Describe being a library as current state rather than as 3.x
12185         history.
12186         * doc/gcc.texi: Remove last update date.
12187         * doc/gccint.texi: Likewise.  Update copyright dates.
12188         * doc/install.texi: Update copyright dates.
12189
12190 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
12191
12192         PR other/7549
12193         * doc/invoke.texi: Mention for each option included in -Wall that
12194         it is included in -Wall.
12195         * doc/gcc.texi: Update copyright and last modification date.
12196
12197 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
12198
12199         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
12200         unnecessary cast to original induction variable increments.
12201
12202 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
12203
12204         PR tree-optimization/18219
12205         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
12206         in distributed form.
12207
12208 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
12209
12210         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
12211         Set bitpos and offset later in the function.  Do nothing if the
12212         target is a register and if the bitfield lies completely outside
12213         that register.
12214         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
12215         here.  Return an uninitialised register if the source value is stored
12216         in a register and the bitfield lies completely outside that register.
12217
12218 2005-02-06  Steven Bosscher  <stevenb@suse.de>
12219
12220         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
12221         not SET_DEST.
12222
12223 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
12224
12225         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
12226
12227 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
12228
12229         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
12230         * config/darwin8.h: New.
12231         * config/darwin7.h: Update comment.
12232
12233 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
12234             Dorit Naishlos  <dorit@il.ibm.com>
12235
12236         * tree-vectorizer.h (LOC): New type.
12237         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
12238         (loop_line_number): New field in struct _loop_vec_info.
12239         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
12240
12241         * tree-vectorizer.c (input.h): Included.
12242         (find_loop_location): New function.
12243         (vect_debug_stats): Argument changed from loop to LOC. Computation of
12244         loop line number removed.
12245         (vect_debug_details): Likewise.
12246         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
12247
12248         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
12249         call to vect_debug_details/stats changed from loop to loop_loc.
12250         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
12251         (slpeel_tree_peel_loop_to_edge): Likewise.
12252
12253         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
12254         changed from NULL to UNKNOWN_LOC.
12255         (vect_get_base_and_offset):
12256         (vect_create_addr_base_for_vector_ref):
12257         (get_vectype_for_scalar_type):
12258         (vect_create_data_ref_ptr):
12259         (vect_init_vector):
12260         (vect_get_vec_def_for_operand):
12261         (vect_finish_stmt_generation):
12262         (vectorizable_assignment):
12263         (vectorizable_operation):
12264         (vectorizable_store):
12265         (vectorizable_load):
12266         (vect_transform_stmt):
12267         (vect_update_ivs_after_vectorizer):
12268         (vect_do_peeling_for_loop_bound):
12269         (vect_do_peeling_for_alignment):
12270         (vect_transform_loop):
12271         (vect_is_simple_use):
12272         (vect_analyze_operations):
12273         (vect_is_simple_iv_evolution):
12274         (vect_analyze_scalar_cycles):
12275         (vect_analyze_data_ref_dependences):
12276         (vect_compute_data_ref_alignment):
12277         (vect_enhance_data_refs_alignment):
12278         (vect_analyze_data_ref_access):
12279         (vect_analyze_data_ref_accesses):
12280         (vect_analyze_pointer_ref_access):
12281         (vect_get_memtag_and_dr):
12282         (vect_analyze_data_refs):
12283         (vect_mark_relevant):
12284         (vect_stmt_relevant_p):
12285         (vect_mark_stmts_to_be_vectorized):
12286         (vect_can_advance_ivs_p):
12287         (vect_get_loop_niters):
12288         (vect_analyze_loop):
12289         (vectorize_loops): Likewise.
12290
12291         (vectorizable_load): Argument in call to vect_debug_details/stats
12292         changed from loop to LOOP_LOC (loop_vinfo).
12293         (vect_transform_loop):
12294         (vect_analyze_operations):
12295         (vect_analyze_scalar_cycles):
12296         (vect_analyze_data_ref_dependence):
12297         (vect_enhance_data_refs_alignment):
12298         (vect_analyze_data_ref_accesses):
12299         (vect_analyze_pointer_ref_access):
12300         (vect_analyze_data_refs):
12301         (vect_analyze_loop): Likewise.
12302
12303         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
12304         changed from loop to loop_loc.
12305
12306         (vect_enhance_data_refs_alignment): Removed unused variable loop.
12307
12308 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
12309             Dorit Naishlos  <dorit@il.ibm.com>
12310
12311         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
12312         declaration added.
12313         (vect_analyze_data_ref_dependences): Likewise.
12314
12315         (vect_is_simple_use): Argument changed from loop structure to
12316         loop_vect_info structure.
12317         (vect_can_advance_ivs_p): Likewise.
12318         (vect_create_index_for_vector_ref): Likewise.
12319         (vect_update_ivs_after_vectorizer): Likewise.
12320         (new_stmt_vec_info): Likewise.
12321
12322         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
12323         changed from loop to loop_vinfo.
12324         (vect_create_data_ref_ptr): First argument in call to
12325         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
12326         (vectorizable_assignment): Second argument in call to vect_is_simple_use
12327         was changed from loop to loop_vinfo.
12328         (vectorizable_operation): Likewise.
12329         (vectorizable_store): Likewise.
12330         (vect_mark_stmts_to_be_vectorized): Likewise.
12331         (vect_do_peeling_for_loop_bound): First argument in call to
12332         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
12333         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
12334         was changed from loop to loop_vinfo.
12335         (vect_analyze_data_ref_dependences): Third argument in call to
12336         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
12337
12338         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
12339         (vect_create_data_ref_ptr): Likewise.
12340         (vect_init_vector): Likewise.
12341         (vect_get_vec_def_for_operand): Likewise.
12342         (vectorizable_assignment): Likewise.
12343         (vectorizable_operation): Likewise.
12344         (vectorizable_store): Likewise.
12345         (vectorizable_load): Likewise.
12346         (vect_update_ivs_after_vectorizer): Likewise.
12347         (vect_is_simple_use): Likewise.
12348         (vect_analyze_data_ref_dependence): Likewise.
12349         (vect_analyze_pointer_ref_access): Likewise.
12350         (vect_can_advance_ivs_p): Likewise.
12351
12352         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
12353         before _stmt_vec_info.
12354         (_stmt_vec_info): Loop field replaced by loop_vec_info.
12355         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
12356         (new_stmt_vec_info): Argument changed from loop structure to
12357         loop_vect_info structure
12358
12359         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
12360         (vect_analyze_offset_expr): Avoid 80 columns overflow.
12361         (vect_create_addr_base_for_vector_ref): Likewise.
12362         (vect_analyze_pointer_ref_access): Likewise.
12363
12364 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
12365
12366         PR tree-opt/19768
12367         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
12368         phi flag if the phi is abnormal.
12369
12370 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
12371
12372         PR tree-opt/19736
12373         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
12374         information for the new statement.
12375
12376 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
12377
12378         PR driver/19117
12379         * gcc.c (main): Include the target in -v output.
12380
12381 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
12382
12383         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
12384         Do not drop the extend if we'd have to add a paradoxical subreg
12385         later.  Include optabs.h and insn-codes.h.
12386         * Makefile.in (combine.o): Depend on $(OPTABS_H).
12387
12388 2005-02-02  Roger Sayle  <roger@eyesopen.com>
12389
12390         PR middle-end/19405
12391         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
12392         * fold-const.c (const_binop): Avoid constant folding floating
12393         point operations in modes that use composite representations.
12394         * simplify-rtx.c (simplify_binary_operation): Likewise.
12395
12396 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
12397
12398         * config/rs6000/altivec.md (altivec_dst): Make the first operand
12399         a REG, not a MEM.
12400         (altivec_dstt): Likewise.
12401         (altivec_dstst): Likewise.
12402         (altivec_dststt): Likewise.
12403         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
12404         of first operand.
12405
12406 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
12407
12408         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
12409         EXPR_LOCUS from orig_cond to the new cond_stmt.
12410         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
12411         the new vec_stmt.
12412
12413 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
12414
12415         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
12416         standard_iv_increment_position. Remove call to bsi_next
12417         (no need to bump the iterator anymore).
12418         (vect_create_index_for_vector_ref): Call
12419         standard_iv_increment_position. Remove second function argument.
12420         (vect_finish_stmt_generation): Remove call to bsi_next
12421         (no need to bump the iterator anymore).
12422         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
12423         to vect_create_index_for_vector_ref.
12424
12425 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
12426
12427         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
12428         phis are used out of the loop.
12429
12430 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
12431
12432         PR c/17807
12433         * c-decl.c (undef_nested_function): New variable.
12434         (pop_scope): Diagnose undefined nested functions.
12435         (finish_function): Don't attempt cgraph processing or genericizing
12436         if current top-level function contained an undefined nested
12437         function.  Reset undef_nested_function at the end of a top-level
12438         function.
12439
12440 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
12441
12442         * tree.c (build_int_cst_type): Take sign of the value into account
12443         when deciding whether sign extend the value.
12444
12445 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
12446
12447         PR c/18502
12448         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
12449         (cpp_options, cc1_options): Change %{std*&ansi} to
12450         %{std*&ansi&trigraphs}.
12451
12452 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
12453
12454         * cse.c: Update comments.
12455
12456 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
12457
12458         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
12459         arguments go on the stack.  Do not put complex doubles in odd/even
12460         pairs.
12461
12462 2005-02-02  Steven Bosscher  <stevenb@suse.de>
12463
12464         * doc/invoke.texi: Update the options enabled at -O1, -O2,
12465         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
12466         -ftree-pre, and -fthread-jumps.
12467
12468 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
12469
12470         PR tree-optimization/19578
12471         * tree-flow.h (modified_noreturn_calls): Declare.
12472         (noreturn_call_p): Declare.
12473         * tree-flow-inline.h (noreturn_call_p): New function.
12474         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
12475         * tree-cfg.c (modified_noreturn_calls): New variable.
12476         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
12477         that contain a mid-block noreturn call.
12478         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
12479
12480 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
12481
12482         * df.c (df_def_record_1, df_uses_record): Don't use
12483         DF_FOR_REGALLOC.
12484         * df.h (DF_FOR_REGALLOC): Remove.
12485
12486 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
12487
12488         PR c/19435
12489         * c-typeck.c (really_start_incremental_init): Reset
12490         constructor_max_index for arrays of incomplete type.
12491
12492 2005-02-02  Jeff Law  <law@redhat.com>
12493
12494         * gcse.c (struct reg_set): Store the block index where the register
12495         was set rather than the setting insn.
12496         (record_one_set, compute_transp): Corresponding changes.
12497         (pre_insert_copy_insn): Do not call replace_one_set.
12498         (replace_one_set): Remove.
12499
12500 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
12501
12502         PR other/15514
12503         * doc/gcov.texi: Fix typo.
12504
12505 2005-02-01  Richard Henderson  <rth@redhat.com
12506
12507         PR target/19680
12508         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
12509         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
12510         type to bool.
12511         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
12512         * config/i386/i386-protos.h: Update.
12513
12514 2005-02-01  Steven Bosscher  <stevenb@suse.de>
12515
12516         PR tree-optimization/19217
12517         * tree-cfg.c (verify_expr): Use the data field to see if TP was
12518         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
12519         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
12520         that it is walking a PHI node.
12521
12522 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
12523
12524         * doc/extend.texi (Nested Functions): Update.
12525
12526 2005-02-01  Richard Henderson  <rth@redhat.com>
12527
12528         PR 19696
12529         * optabs.c (expand_copysign_absneg): Export.
12530         * optabs.h (expand_copysign_absneg): Declare.
12531         * config/rs6000/rs6000.md (copysigntf3): New.
12532
12533 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
12534
12535         PR tree-optimization/19633
12536         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
12537         * tree-ssa-alias.c (init_alias_info): Initialize.
12538         (merge_pointed_to_info): Set.
12539         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
12540         (dump_points_to_info_for): Show value of pt_null.
12541         (struct count_ptr_d): Declare.
12542         (find_ptr_dereference): Remove.
12543         (ptr_is_dereferenced_by): Remove.
12544         (count_ptr_derefs): New local function.
12545         (count_uses_and_derefs): New local function.
12546         (compute_points_to_and_addr_escape): Call it.  If the number
12547         of dereferences is greater than zero, mark the pointer as
12548         dereferenced.  If there are fewer dereferences than uses of
12549         the pointer, the pointer's value escapes.
12550
12551 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
12552
12553         PR tree-optimization/19670
12554         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
12555         here...
12556         (verify_use): ... set it here, instead.
12557
12558 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
12559
12560         * doc/sourcebuild.texi (Test directives): Fix formatting.
12561
12562         * doc/sourcebuild.texi (Test directives): Describe selector
12563         expressions.
12564
12565 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
12566
12567         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
12568         specific 64-bit CPUs.
12569
12570 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
12571
12572         PR target/16201
12573         * arm.c (arm_eliminable_register): New function.
12574         (adjacent_mem_locations): Don't allow eliminable registers.  Use
12575         HOST_WIDE_INT for address offsets.
12576         * arm-protos.h (arm_eliminable_register): Add prototype.
12577
12578 2005-02-01  Steven Bosscher  <stevenb@suse.de>
12579
12580         PR optimization/15242
12581         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
12582         * basic-block.h (duplicate_computed_gotos): Add prototype.
12583         * bb-reorder.c (duplicate_computed_gotos): New function to
12584         duplicate sufficiently small blocks ending in a computed jump.
12585         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
12586         if not optimizing for size.
12587         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
12588         never do tail merging for blocks ending in a computed jump.
12589         * doc/invoke.texi: Document the max-goto-duplication-insns param.
12590
12591 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
12592
12593         Patch from Richard Sandiford <rsandifo@redhat.com>
12594         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
12595         from inheriting a subreg equivalence with a non-spill register.
12596
12597         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
12598
12599 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
12600
12601         * config/frv/frv.c (movcc_fp_destination_operand): New.
12602         (gpr_or_memory_operand): Fix typo in comment.
12603         (gpr_or_memory_operand_with_scratch): New.
12604         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
12605         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
12606         movcc_fp_destination_operand.
12607         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
12608         Legitimize memory addresses using a scratch register.
12609
12610 2005-01-31  Jeff Law  <law@redhat.com>
12611
12612         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
12613         bitmap a sparse bitmap instead of a simple bitmap.
12614         (mark_def_sites_initialize_block):  Corresponding changes.
12615         (ssa_mark_def_sites_initialize_block): Likewise.
12616         (ssa_mark_phi_uses): Likewise.
12617         (mark_def_site, ssa_mark_def_sites): Likewise.
12618         (mark_def_site_blocks): Likewise.
12619         (rewrite_ssa_into_ssa): Likewise.
12620
12621         * tree-ssa-dom.c (record_cond): Pass correct variable type
12622         for last argument to htab_find_slot_with_hash.
12623
12624         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
12625         effects when optimizing 0 % X.  Do not try to optimize X % 0.
12626
12627 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
12628
12629         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
12630         1_mmalua.
12631
12632 2005-02-01  Eric Christopher  <echristo@redhat.com>
12633
12634         * config/mips/mips.c (override_options): Warn if -mint64
12635         is used.
12636         * doc/invoke.texi (MIPS Options): Document that -mint64 is
12637         deprecated.
12638
12639 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
12640
12641         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
12642         timestamp.
12643         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
12644         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
12645         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
12646         (cached_regno): Initialize to INVALID_REGNUM.
12647         (cse_reg_info_table_size,
12648         cse_reg_info_table_first_uninitialized,
12649         cse_reg_info_timestamp): New.
12650         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
12651         get_cse_reg_info.
12652         (init_cse_reg_info, get_cse_reg_info_1): New.
12653         (get_cse_reg_info): Cache the last look-up.
12654         (new_basic_block): Update the code to clear mappings from
12655         registers to cse_reg_info entries.
12656         (cse_main): Call init_cse_reg_info.
12657
12658         * cse.c (get_cse_reg_info): Update a comment.
12659
12660 2005-01-31  Steven Bosscher  <stevenb@suse.de>
12661
12662         PR c/19333
12663         * c-decl.c (start_decl): Do not warn about arrays of elements with
12664         an incomplete type here.
12665         (grokdeclarator): Do it here by making a pedwarn an error.
12666         * c-typeck.c (push_init_level): If there were previous errors with
12667         the constructor type, do not warn about braces for initializers.
12668         (process_init_element): Likewise for excess initializer elements.
12669
12670 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
12671
12672         * cse.c (delete_trivially_dead_insn): Don't iterate.
12673
12674 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
12675
12676         * config/rs6000/rs6000.md (copysignsf3): New expand.
12677         (copysigndf3): Likewise.
12678
12679 2005-01-31  Steven Bosscher  <stevenb@suse.de>
12680
12681         * recog.c (constrain_operands): Only look for earlyclobber operand
12682         conflicts if an '&' constraint was seen.
12683
12684 2005-01-31  Marc Espie <espie@openbsd.org>
12685
12686         * config.gcc: Don't include embedded systems fragment, switches default
12687         debugging format to ELF.
12688         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
12689         longer pick it up there.
12690
12691 2005-01-31  Dale Johannesen  <dalej@apple.com>
12692
12693         * doc/extend.texi (nested functions): Fix linkage description.
12694         Clarify that static is not allowed.
12695
12696 2005-01-31  Dale Johannesen  <dalej@apple.com>
12697
12698         * config/rs6000/darwin.md (movsf_low_di):  Make work.
12699         (movdf_low_di):  Make work.
12700
12701 2005-01-31  Dale Johannesen  <dalej@apple.com>
12702
12703         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
12704         Make work for 64 bit.
12705
12706 2005-01-31  Roger Sayle  <roger@eyesopen.com>
12707             Dale Johannesen  <dalej@apple.com>
12708
12709         PR middle-end/19650
12710         * fold-const.c (fold_binary_op_with_conditional_arg):
12711         Make types match original operands, before STRIP_NOPS.
12712
12713 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
12714
12715         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
12716         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
12717         (struct gcc_sigcontext): Delete.  Merge contents to..
12718         (struct gcc_ucontext): ..here.
12719         (get_sigcontext): Delete.
12720         (get_regs): New function, like get_sigcontext but return regs ptr.
12721         64-bit version finds regs from r1 to support vdso.
12722         (ppc_linux_aux_vector): New function.
12723         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
12724         and vector regs.
12725
12726 2005-01-31  Ira Rosen  <irar@il.ibm.com>
12727
12728         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
12729         sizetype.
12730         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
12731         redundant fold. Fix misalignment for MINUS_EXPR.
12732         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
12733         (vect_analyze_pointer_ref_access): Likewise.
12734         (vect_get_memtag_and_dr): Likewise.
12735
12736 2005-01-31  Richard Henderson  <rth@redhat.com>
12737
12738         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
12739         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
12740         absnegdf2_i387, absnegxf2_i387): Likewise.
12741
12742 2005-01-31  Richard Henderson  <rth@redhat.com>
12743
12744         PR 19696
12745         * optabs.c (expand_copysign_absneg): New.
12746         (expand_copysign_bit): Split out from ...
12747         (expand_copysign): ... here.  Use expand_copysign_absneg.
12748
12749 2005-01-30  Roger Sayle  <roger@eyesopen.com>
12750
12751         PR middle-end/19697
12752         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
12753         constant as the second operand and a register as the third.
12754
12755 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
12756
12757         PR target/19704
12758         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
12759         that dllimport'd functions do not use all call-clobbered registers
12760         to pass parameters.
12761
12762 2005-01-30  Richard Henderson  <rth@redhat.com>
12763
12764         PR 19696
12765         * optabs.c (expand_absneg_bit): Split out from expand_unop and
12766         expand_abs_nojump and generalize.  Use operand_subword and
12767         emit_no_conflict_block.  Support large modes.
12768         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
12769         back to maximum.
12770         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
12771         negation to subtraction.
12772         (expand_copysign): Check that the format has signed zeros.
12773         Use operand_subword and emit_no_conflict_block.  Support large modes.
12774
12775 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
12776
12777         Fix PR tree-optimization/19624
12778
12779         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
12780         * tree-ssa-pre.c: Add cfgloop.h.
12781         Update comment.
12782         (pre_stats): New member, constified.
12783         (inserted_exprs): New static variable.
12784         (NECESSARY): New macro.
12785         (create_expression_by_pieces): Fold the expression, and
12786         mark it as defaulting to not necessary. Also put in
12787         inserted_exprs.
12788         (fully_constant_expression): New function.
12789         (insert_into_preds_of_block): Modify to not insert phis when we
12790         are playing with induction variables.
12791         Push phis onto the inserted_exprs vector, and mark them as not
12792         necessary by default.
12793         (insert_aux): Call fully_constant_expression on eprime.
12794         If all edges produce the same value, mark it constant.
12795         (mark_operand_necessary): New function.
12796         (remove_dead_inserted_code): New function.
12797         (init_pre): Init loop optimizer to get loop info.
12798         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
12799         (execute_pre): Commit edge inserts, then remove dead code.
12800
12801 2005-01-30  Richard Henderson  <rth@redhat.com>
12802
12803         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
12804         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
12805
12806 2005-01-30  Richard Henderson  <rth@redhat.com>
12807
12808         PR target/19700
12809         * config/i386/i386.c (ix86_expand_copysign): New.
12810         (ix86_split_copysign_const): New.
12811         (ix86_split_copysign_var): Rename from ix86_split_copysign,
12812         rearrange op1/nmask operands.
12813         * config/i386/i386-protos.h: Update.
12814         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
12815         (copysigndf3): Likewise.
12816         (copysignsf3_const, copysigndf3_const): New.
12817         (copysignsf3_var): Rename from copysignsf3, split out splitter
12818         and fix split predicate for X constraint.
12819         (copysigndf3_var): Similarly.
12820
12821 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
12822
12823         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
12824         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
12825         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
12826
12827 2005-01-29  Richard Henderson  <rth@redhat.com>
12828
12829         PR target/19690
12830         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
12831         of # and * in constraints.
12832
12833 2005-01-29  Richard Henderson  <rth@redhat.com>
12834
12835         PR middle-end/19689
12836         * expr.c (store_field): Don't strip sub-mode cast when the input
12837         data is even smaller.
12838
12839 2005-01-29  Richard Henderson  <rth@redhat.com>
12840
12841         PR middle-end/19687
12842         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
12843         union being empty.
12844
12845 2005-01-29  Richard Henderson  <rth@redhat.com>
12846
12847         * combine.c (make_field_assignment): Fix argument order
12848         to gen_int_mode.
12849
12850 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
12851
12852         PR tree-optimization/15791
12853         * fold-const.c (extract_array_ref): New function.
12854         (fold): Fold comparisons between &a[i] and &a[j] or
12855         semantically equivalent trees.
12856
12857 2005-01-29  Jeff Law  <law@redhat.com>
12858
12859         * gcse.c (insert_expr_in_table): Revamp handling of available
12860         and anticipatable occurrence lists to avoid unnecessary list
12861         walking.
12862         (insert_set_in_table): Similarly.
12863
12864 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
12865
12866         * c-common.c (fix_string_type): Just use c_build_qualified_type to
12867         build string type.
12868         (c_build_qualified_type): Build qualified array types with
12869         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
12870         * c-decl.c (c_make_fname_decl): Build unqualified array type
12871         before qualified type.
12872         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
12873         type is qualified, not just if type itself is.  Don't apply
12874         qualifiers to array type when declarator is processed.  Apply
12875         qualifiers to field type whether or not it is an array type.
12876         Don't handle array types specially for applying qualifiers to
12877         variables.
12878         * c-typeck.c (composite_type): Build unqualified element type and
12879         array type when forming composite of array types.
12880         (common_pointer_type, comptypes, comp_target_types,
12881         type_lists_compatible_p, build_indirect_ref, build_array_ref,
12882         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
12883         types.
12884         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
12885         (args2) in variables a1 and a2.
12886
12887 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
12888
12889         * cse.c (n_elements_made, max_elements_made): Remove.
12890         (insert): Don't touch n_elements_made.
12891         (cse_main): Don't touch n_elements_made or max_elements_made.
12892
12893 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
12894
12895         PR target/15384
12896         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
12897         configuration part of dp-bit.c to be lost.
12898
12899 2005-01-28  Roger Sayle  <roger@eyesopen.com>
12900
12901         * expmed.c (expand_mult_highpart_optab): When attempting to use
12902         a non-widening multiplication in a wider mode, the operands need
12903         to be converted (zero or sign extended) to that mode.
12904
12905 2005-01-28  Ian Lance Taylor  <ian@airs.com>
12906
12907         PR middle-end/16558
12908         PR middle-end/19583
12909         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
12910         through if both operands fall through.
12911
12912 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12913
12914         * cse.c (fold_rtx) <PC>: Don't optimize.
12915
12916 2005-01-28  Jeff Law  <law@redhat.com>
12917
12918         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
12919         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
12920
12921 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
12922
12923         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
12924         cse_reg_info_used_list_end): Remove.
12925         (cse_reg_info_list, cse_reg_info_list_free): New.
12926         (get_cse_reg_info): When allocating an instance of
12927         cse_reg_info, add it to the beginning of the cse_reg_info_list
12928         list.  Remove code to maintain cse_reg_info_used_list.
12929         (new_basic_block): Reset the free list to the beginning of
12930         cse_reg_info_list.
12931
12932 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
12933
12934         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
12935         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
12936         (frv_expand_mdpackh_builtin): New function.
12937         (frv_expand_builtin): Use it to expand __MDPACKH.
12938         * doc/extend.texi (__MDPACKH): Update documentation.
12939
12940 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
12941
12942         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
12943         SSE_FLOAT_MODE_P for use_sse computation.
12944
12945 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
12946
12947         PR target/19663
12948         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
12949
12950 2005-01-27  Richard Henderson  <rth@redhat.com>
12951
12952         * builtins.c (expand_builtin_copysign): New.
12953         (expand_builtin): Call it.
12954         * genopinit.c (optabs): Add copysign_optab.
12955         * optabs.c (init_optabs): Initialize it.
12956         (expand_copysign): New.
12957         * optabs.h (OTI_copysign, copysign_optab): New.
12958         (expand_copysign): Declare.
12959
12960         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
12961         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
12962
12963         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
12964         (ix86_expand_fp_absneg_operator): ... here.
12965         (ix86_split_copysign): New.
12966         * config/i386/i386-protos.h: Update.
12967         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
12968         (copysignsf3, copysigndf3): New.
12969
12970         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
12971         (copysignsf3, ncopysignsf3): New.
12972         (copysigndf3, ncopysigndf3): New.
12973         (copysignxf3, ncopysignxf3): New.
12974         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
12975
12976 2005-01-27  Arend Bayer  <arend.bayer@web.de>
12977             Kazu Hirata  <kazu@cs.umass.edu>
12978
12979         * cse.c: (find_best_addr): Don't call copy_rtx before calling
12980         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
12981         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
12982         NULL_RTX.
12983
12984 2005-01-27  Jeff Law  <law@redhat.com>
12985
12986         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
12987         definitions of SSA_NAMEs which are not being rewritten.
12988         (rewrite_ssa_into_ssa): Only initialize the current definition
12989         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
12990         If checking is enabled, assert that SSA_NAME_AUX is clear for all
12991         SSA_NAMEs before returning.
12992
12993 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
12994
12995         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
12996         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
12997         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
12998         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
12999         config/mips/iris6.h, config/sh/sh.c: Update copyright.
13000
13001 2005-01-27  Steven Bosscher  <stevenb@suse.de>
13002
13003         PR middle-end/17278
13004         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
13005         higher to -O2 and higher.  Likewise for tree PRE.
13006         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
13007         and better.
13008
13009 2005-01-27  Ian Lance Taylor  <ian@airs.com>
13010
13011         PR middle-end/19583
13012         * gimple-low.c (try_catch_may_fallthru): New static function.
13013         (block_may_fallthru): Handle TRY_CATCH_EXPR.
13014         * tree-inline.c (expand_call_inline): Don't warn about reaching
13015         the end of a non-void function being inlined if the function uses
13016         a return slot.
13017
13018 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
13019
13020         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
13021
13022         PR c/18946
13023         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
13024         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
13025         (implicitly_declare): Handle error_mark_node.
13026
13027 2005-01-27  Richard Henderson  <rth@redhat.com>
13028
13029         PR tree-opt/14329
13030         * tree.h (struct tree_decl): Add debug_expr_is_from.
13031         (DECL_DEBUG_EXPR_IS_FROM): New.
13032         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
13033         * dwarf2out.c (dwarf2out_var_location): Update to match.
13034         * tree-outof-ssa.c (create_temp): Likewise.
13035         * var-tracking.c (track_expr_p): Likewise.
13036         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
13037         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
13038         * toplev.c (default_tree_printer): Likewise.
13039
13040 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
13041
13042         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
13043         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
13044
13045 2005-01-27  Steven Bosscher  <stevenb@suse.de>
13046
13047         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
13048         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
13049         ASM_CLOBBERS): Add tree checks.
13050
13051         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
13052         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
13053         * c-common.def (SWITCH_STMT): Update to match.
13054         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
13055         macros instead of SWITCH_EXPR ones.
13056         * c-dump.c (c_dump_tree): Likewise.
13057         * c-gimplify.c (gimplify_switch_stmt): Likewise.
13058         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
13059
13060         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
13061
13062 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
13063
13064         * unwind-dw2.c (execute_stack_op): Add missing cases for
13065         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
13066
13067 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
13068
13069         * config.gcc (Obsolete configurations): Remove 'dummy', add
13070         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
13071         sparc-*-openbsd*.
13072
13073 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
13074
13075         PR tree-optimization/19633
13076         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
13077         CALL_EXPRs.
13078         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
13079         are no call-clobbered variables.
13080         * tree-outof-ssa.c (check_replaceable): Return false for calls
13081         with side-effects.
13082
13083 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
13084
13085         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
13086         even for variables with NULL DECL_INITIAL.
13087
13088 2005-01-26  Stuart Hastings  <stuart@apple.com>
13089
13090         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
13091
13092 2005-01-26  Richard Henderson  <rth@redhat.com>
13093
13094         PR middle-end/18008
13095         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
13096         field's type.
13097         * expr.c (store_field): Strip conversions to odd-bit-sized types
13098         if the destination field width matches.
13099
13100 2005-01-26  Richard Henderson  <rth@redhat.com>
13101
13102         * c-decl.c, expmed.c, expr.c: Revert last change.
13103
13104 2005-01-26  Richard Henderson  <rth@redhat.com>
13105
13106         PR middle-end/18008
13107         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
13108         field's type.
13109         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
13110         if we don't need the bits above those present in the current mode.
13111         * expr.c (store_field): Strip conversions to odd-bit-sized types
13112         if the destination field width matches.
13113
13114 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
13115
13116         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
13117         either -ffast-math or -funsafe-math-optimizations is in use.
13118
13119 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
13120
13121         PR target/19293
13122         PR target/19329
13123         * config/avr/avr.c (notice_update_cc): Only set condition code for
13124         ashrqi3 if shift count > 0.
13125         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
13126         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
13127         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
13128         count <= 0 as a no-op, and shift count >= width by copying zero
13129         or sign bit to all bits of the result.
13130         * config/avr/avr.md (all shifts): Add alternatives for zero shift
13131         count, with attribute "length" set to 0 and "cc" set to "none".
13132
13133 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
13134
13135         * doc/invoke.texi: Document -mTLS.
13136
13137         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
13138         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
13139         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
13140         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
13141         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
13142         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
13143         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
13144         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
13145
13146         * configure.ac: Check for a TLS capable gas.
13147
13148         * configure: Regenerate.
13149
13150 2005-01-26  Richard Henderson  <rth@redhat.com>
13151
13152         PR middle-end/18008
13153         * combine.c (make_field_assignment): Simplify store to zero_extract
13154         from a source with an overlapping mask.
13155
13156 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
13157
13158         2004-11-11  Eric Christopher  <echristo@redhat.com>
13159
13160         * config/frv/frv.md: Add fr400_integer automaton. Don't
13161         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
13162         to TYPE_MACC.
13163
13164 2005-01-26  Steven Bosscher  <stevenb@suse.de>
13165
13166         PR middle-end/16585
13167         * cfgbuild.c (make_edges): Do not clear or set
13168         current_function_has_computed_jump.
13169         * function.h (struct function): Remove the has_computed_jump field.
13170         (current_function_has_computed_jump): Do not define.
13171         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
13172         in a computed jump.  Ignore current_function_has_computed_jump.
13173
13174 2005-01-26  Richard Henderson  <rth@redhat.com>
13175
13176         PR middle-end/19515
13177         * expr.c (categorize_ctor_elements): New argument p_must_clear.
13178         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
13179         fully initialized.
13180         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
13181         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
13182         objects into static storage if they have more than one non-zero value.
13183         * tree.h (categorize_ctor_elements): Update decl.
13184
13185 2005-01-26  Steven Bosscher  <stevenb@suse.de>
13186
13187         PR middle-end/19616
13188         * tree.h (CALL_EXPR_TAILCALL): Add comment.
13189         * calls.c (check_sibcall_argument_overlap_1): Revert the change
13190         to this function from 2004-07-10.
13191         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
13192         the current function for tail call optimizations if the address
13193         of one of it its arguments is taken.
13194
13195 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
13196
13197         * cse.c (fold_rtx): Call equiv_constant only when necessary.
13198
13199 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
13200
13201         * function.c (expand_function_end): If current_function_calls_alloca,
13202         emit stack restore in a place that is reached when the function falls
13203         through at the end.
13204
13205 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
13206
13207         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
13208         rule to avoid matching inappropriate suffix rule.
13209
13210 2005-01-26  Jan Hubicka  <jh@suse.cz>
13211
13212         PR tree-optimization/19241
13213         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
13214
13215 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
13216
13217         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
13218         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
13219         of doubling.
13220         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
13221         <sim*>: Always use crt1.o, regardless of N in simN.
13222         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
13223         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
13224         (CRT_CALL_STATIC_FUNCTION): Remove.
13225         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
13226         use crt1.o, regardless of N in simN.
13227         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
13228         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
13229         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
13230         case isystem setting.
13231         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
13232
13233 2005-01-25  Ian Lance Taylor  <ian@airs.com>
13234
13235         * gimple-low.c (block_may_fallthru): Correct handling of
13236         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
13237
13238 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
13239
13240         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
13241         handlers to match indentation; nested under the mtune=* handler.
13242         Similar for mcpu= and march=.
13243
13244 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
13245
13246         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
13247         * config/mips/linux64.h (LIB_SPEC): Likewise.
13248         * config/mn10300/linux.h (LIB_SPEC): Likewise.
13249         * config/sh/linux.h (LIB_SPEC): Likewise.
13250
13251 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
13252
13253         * config/frv/frv.c (frv_legitimize_tls_address): New.
13254         (TARGET_HAVE_TLS): Define.
13255         (FRV_SYMBOL_REF_TLS_P): Define.
13256         (frv_override_options): Handle new register classes.
13257         (frv_legitimate_address_p): Reject tls addresses.
13258         (frv_legitimize_address): Handle TLS addresses.
13259         (gen_inlined_tls_plt): New.
13260         (gen_tlsmoff): New.
13261         (frv_legitimize_tls_address): New.
13262         (unspec_got_name): Add TLS entries.
13263         (got12_operand): Add R_FRV_TLSMOFF12 case.
13264         (frv_emit_move): Fixup TLS addresses.
13265         (frv_emit_movsi): Legitimize TLS addresses.
13266
13267         * config/frv/frv.h (MASK_BIG_TLS): New.
13268         (TARGET_BIG_TLS): New.
13269         (HAVE_AS_TLS): Define.
13270         (TARGET_SWITCHES): Add -mTLS and -mtls options.
13271         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
13272         (REG_CLASS_NAMES): Same.
13273         (REG_CLASS_CONTENTS): Same.
13274         (CONSTRAINT_LEN): New.
13275         (REG_CLASS_FROM_CONSTRAINT): New.
13276         (PREDICATE_CODES): Add symbolic_operand.
13277
13278         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
13279         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
13280         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
13281         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
13282         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
13283         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
13284         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
13285         GR9_REG, GR14_REG, LRREG.
13286         (type): Add load_or_call attribute.
13287         ("load_or_call"): New reservation.
13288         ("call_gettlsoff"): New.
13289         ("tls_indirect_call"): New.
13290         ("tls_load_gottlsoff12"): New.
13291         ("tlsoff_hilo"): New.
13292         ("tls_tlsdesc_ldd"): New.
13293         ("tls_tlsoff_ld"): New.
13294         ("tls_lddi"): New.
13295
13296         * config/frv/frv-protos.h (symbolic_operand): Protoize.
13297
13298         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
13299
13300         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
13301         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
13302         * config/frv/frv.c (TLS_BIAS): Define.
13303         (frv_output_dwarf_dtprel): New.
13304
13305 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
13306
13307         PR rtl-optimization/19579
13308         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
13309         both A and B, see if they don't clobber registers the other expr uses.
13310
13311 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
13312
13313         * real.c (do_add): Initialize signalling and canonical members.
13314
13315         * real.c (real_from_integer): Zero out destination.
13316
13317 2005-01-18  Jan Hubicka  <jh@suse.cz>
13318
13319         PR tree-optimize/19337
13320         * tree-inline.c (initialize_inlined_parameters): Copy
13321         saved_static_chain_decl only.
13322
13323 2005-01-25  Richard Henderson  <rth@redhat.com>
13324
13325         PR target/19556
13326         PR target/19584
13327         * config/i386/i386.c (x86_inter_unit_moves): Zero.
13328         (ix86_preferred_reload_class): Rewrite fp-constant section, with
13329         80387 enabled, to return a proper subclass.  Return the subset that
13330         overlaps with GENERAL_REGS for PLUS.
13331         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
13332
13333 2005-01-25  Richard Henderson  <rth@redhat.com>
13334
13335         PR middle-end/19609
13336         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
13337
13338 2005-01-25  Roger Sayle  <roger@eyesopen.com>
13339
13340         * expmed.c (choose_multiplier): Change interface to return the
13341         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
13342         (expand_divmod): Update calls to choose_multiplier.
13343
13344 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13345
13346         PR middle-end/19330
13347         * expmed.c (extract_bit_field): Use adjust_address instead of
13348         gen_lowpart when op0 is a MEM.
13349
13350 2005-01-24  Steven Bosscher  <stevenb@suse.de>
13351
13352         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
13353
13354 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
13355
13356         * config/mips/irix-csr.c: New file.
13357         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
13358         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
13359         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
13360         executables.
13361
13362 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
13363
13364         PR bootstrap/19364
13365         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
13366         sparc/elf.h, add sparc/sp-elf.h.
13367         (sparc-*-rtems*): Likewise.
13368         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
13369         tm-dwarf2.h, add sparc/sp-elf.h.
13370         (sparc86x-*-elf): Likewise.
13371         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
13372         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
13373         TARGET_OS_CPP_BUILTINS.
13374         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13375         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13376         Undefine it.
13377         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
13378         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
13379         (SWITCH_TAKES_ARG): Likewise.
13380         (LOCAL_LABEL_PREFIX): Likewise.
13381         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
13382         (TARGET_N_FORMAT_TYPES): Delete.
13383         (TARGET_FORMAT_TYPES): Likewise.
13384         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
13385         * config/sparc/elf.h: Delete.
13386         * config/sparc/sp-elf.h: New file.
13387
13388 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
13389
13390         * tree-flow-inline.h (phi_arg_from_edge): Remove.
13391         * tree-flow.h: Remove the corresponding prototype.
13392         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
13393         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
13394
13395 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
13396
13397         PR target/17751
13398         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
13399         for AIX ABI or ELF -fPIC.
13400         (rs6000_emit_load_toc_table): Don't create toc_section here.
13401         (rs6000_xcoff_file_start): Nor here.
13402
13403 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
13404
13405         * sh.c (ra.h): Don't #include.
13406         (hard_regs_intersect_p): New function, resurrected from ra.c.
13407
13408         * sh.c: Fix 1996 Copyright.
13409
13410 2005-01-24  Richard Henderson  <rth@redhat.com>
13411             Aldy Hernandez  <aldyh@redhat.com>
13412
13413         * regrename.c (note_sets): Handle subregs.
13414
13415 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
13416
13417         PR bootstrap/18058
13418         * genconditions.c (write_header, write_conditions): Elide file if
13419         not GCC >= 3.0.1.
13420
13421 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
13422
13423         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
13424         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
13425         Update copyright.
13426
13427 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
13428
13429         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
13430         expand_builtin_printf, expand_builtin_fprintf,
13431         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
13432         checking against POINTER_TYPE.
13433         (validate_arglist): Handle POINTER_TYPE code by checking
13434         POINTER_TYPE_P.
13435
13436 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
13437
13438         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
13439         init_rtlanal): New.
13440         (for_each_rtx): Call for_each_rtx_1.
13441         * rtl.h (init_rtlanal): Declare.
13442         * toplev.c (backend_init): Call init_rtlanal.
13443
13444 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
13445
13446         * flow.c (propagate_one_insn): Formatting.
13447
13448         PR middle-end/19551
13449         * flow.c (libcall_dead_p): Be more conservative if unsure.
13450         If there are any instructions between insn and call, see if they are
13451         all dead before saying the libcall is dead.
13452
13453 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
13454
13455         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
13456         operand constraint for operand 0.
13457
13458 2005-01-23  Richard Henderson  <rth@redhat.com>
13459
13460         PR 19486
13461         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
13462         edges leading to join block.
13463
13464 2005-01-23  Roger Sayle  <roger@eyesopen.com>
13465
13466         * expmed.c (expand_mult_highpart): Make static.  Change type of
13467         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
13468         (expand_divmod): Updates calls to expand_mult_highpart by using
13469         gen_int_mode to pass a CONST_INT rtx.
13470         * rtl.h (expand_mult_highpart): Remove prototype.
13471
13472 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
13473
13474         * flow.c (regset_bytes, regset_size): Remove.
13475
13476         * cfganal.c: Fix a reference to Harvey's paper.
13477
13478 2005-01-23  Steven Bosscher  <stevenb@suse.de>
13479
13480         PR rtl-optimization/19464
13481         * tree-optimize.c (init_tree_optimization_passes): Add one more
13482         copyrename pass just before out-of-ssa.
13483
13484 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
13485
13486         PR bootstrap/18058
13487         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
13488         * ggc-none.c (ggc_free): Define.
13489
13490 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
13491
13492         * cse.c (max_reg, max_insn_uid): Remove.
13493         (cse_main): Don't access max_reg or max_insn_uid.
13494
13495         * c-common.c (explicit_flag_signed_bitfields,
13496         lang_statement_code_p, lang_expand_function_end): Remove.
13497         * c-common.h: Remove the corresponding declarations.
13498         * c-opts.c (c_common_handle_option): Remove all write access
13499         to explicit_flag_signed_bitfields.
13500
13501         * cgraph.c (cgraph_varpool_n_nodes): Remove.
13502         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
13503         * cgraph.h: Remove the corresponding declaration.
13504
13505         * gcse.c (null_pointer_info): Remove.
13506
13507 2005-01-23  Roger Sayle  <roger@eyesopen.com>
13508             Eric Botcazou  <ebotcazou@libertysurf.fr>
13509
13510         * combine.c (simplify_logical): Only simplify logical expressions
13511         of the form ior(and(x,y),z) by the inverse distributive law if the
13512         result is cheaper than the original.
13513
13514 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
13515
13516         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
13517         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
13518         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
13519         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
13520         config/freebsd-spec.h, config/arm/arm.h,
13521         config/h8300/h8300.md, config/i386/i386.md,
13522         config/i386/predicates.md, config/i386/sse.md,
13523         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
13524         config/vax/vax.md: Fix comment typos.  Follow spelling
13525         conventions.
13526
13527 2005-01-23  Steven Bosscher  <stevenb@suse.de>
13528
13529         * gengtype.c (walk_type): Produce `not equal to' compares for loop
13530         tests, instead of `less than'.
13531
13532 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
13533
13534         * function.c (assign_parm_setup_block): When creating a new stack slot
13535         for a parameter, get its alignment from the parameter's DECL_ALIGN
13536         rather than the type's TYPE_ALIGN.  Make sure that the parameter
13537         is at least word aligned.
13538
13539 2005-01-22  Roger Sayle  <roger@eyesopen.com>
13540
13541         PR middle-end/19378
13542         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
13543
13544 2005-01-22  Richard Henderson  <rth@redhat.com>
13545
13546         PR target/19506
13547         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
13548         in both compare operands.
13549         (movdfcc_1_sse_max): Likewise.
13550         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
13551         (movdfcc_1_sse): Likewise.
13552         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
13553         scratch register as needed.
13554
13555 2005-01-22  Richard Henderson  <rth@redhat.com>
13556
13557         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
13558
13559         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
13560
13561 2005-01-22  Richard Henderson  <rth@redhat.com>
13562
13563         * genopinit.c (optabs): Use smin/smax for floating point too.
13564         * doc/md.texi: Update to match.  Clarify that floating point
13565         results are undefined for +0/-0 and NaN.
13566         * doc/rtl.texi: Likewise.
13567         * rtl.def (SMIN, SMAX): Likewise
13568         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
13569
13570         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
13571         leading 's' to the name.
13572         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
13573         smaxxf3, sminxf3): Likewise.
13574         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
13575         Likewise.
13576
13577 2005-01-22  Paul Brook  <paul@codesourcery.com>
13578
13579         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
13580
13581 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
13582
13583         * config/s390/s390.c (struct processor_costs): New fields
13584         dlgr, dlr, dr, dsgfr, dsgr.
13585         (z900_cost, z990_cost): Values for new fields.
13586         (s390_rtx_costs): New cases MEM und COMPARE in switch
13587         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
13588         DIV, MOD, UDIV, UMOD.
13589
13590 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
13591
13592         * config/s390/s390.md ("doloop_si64"): Reload input value directly
13593         into the register being decremented.
13594         ("doloop_si31", "doloop_di"): Likewise.
13595         ("*doloop_si_long"): Adapt pattern.
13596
13597 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
13598
13599         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
13600         access registers.
13601         (CLASS_MAX_NREGS): Likewise.
13602
13603 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
13604
13605         * doc/tree-ssa.texi (Statement Operands): Add example for new
13606         must-def macro. Note deprecation of old operands interface.
13607
13608 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
13609
13610         PR tree-optimization/19484
13611         * tree-cfg.c (remove_fallthru_edge): New function.
13612         (cleanup_control_flow): Remove fallthru edges from calls that are
13613         now known not to return.
13614
13615 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
13616
13617         Fix PR tree-optimization/19038
13618         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
13619         copies with loop variant ones.
13620
13621 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
13622
13623         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
13624         config/alpha/alpha-protos.h, config/alpha/alpha.h,
13625         config/alpha/alpha.md, config/alpha/predicates.md,
13626         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
13627         config/sparc/sol2.h: Update copyright.
13628
13629         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
13630         first label to see if it is a nonlocal label.
13631
13632 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
13633             Andrew Pinski  <pinskia@physics.uc.edu>
13634
13635         PR target/19491
13636         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
13637         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
13638
13639 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
13640
13641         * config/rs6000/rtems.h: Update copyright.
13642
13643 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
13644
13645         PR target/19548
13646         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
13647         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
13648         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
13649
13650 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
13651
13652         PR c/18809
13653         * c-typeck.c (convert_arguments): Check for error_mark_node.
13654
13655 2005-01-21  Ian Lance Taylor  <ian@airs.com>
13656
13657         PR tree-optimization/13000
13658         * tree-inline.c: Include "tree-flow.h".
13659         (expand_call_inline): If warn_return_type, warn if non-void inline
13660         function falls through.
13661         * tree-cfg.c (execute_warn_function_return): Don't warn about
13662         control reaching end if TREE_NO_WARNING is set.  Set
13663         TREE_NO_WARNING.
13664         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
13665         has been lowered.
13666         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
13667         branch if we don't need one.
13668         * c-typeck.c: Include "tree-flow.h"
13669         (c_finish_bc_stmt): Don't add a goto if the current statement
13670         list doesn't fall through to the current point.
13671
13672 2005-01-21  Roger Sayle  <roger@eyesopen.com>
13673
13674         PR rtl-optimization/576
13675         * real.c (real_arithmetic): Change return type from void to bool
13676         to return an indication that the result may be inexact.
13677         * real.h (real_arithmeric): Update prototype.
13678         * fold-const.c (const_binop):  Don't constant fold floating
13679         point expressions when the user specifies -frounding-math and
13680         the result may depend upon the run-time rounding mode.
13681         (fold_convert_const_real_from_real): Clean-up.
13682         (fold_initializer): Ignore flag_rounding_math for initializers.
13683         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
13684         constant fold FP operations with flag_rounding_math if the
13685         result may depend upon the run-time rounding mode.
13686
13687 2005-01-21  Tom Tromey  <tromey@redhat.com>
13688
13689         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
13690
13691 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
13692
13693         * tree-cfg.c: Fix comment typos.
13694
13695 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
13696
13697         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
13698         around the call to rest_of_handle_branch_target_load_optimize.
13699
13700 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
13701
13702         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
13703         (sparc64-*-openbsd*): Likewise.
13704         (sparclite-*-elf*): Include tm-dwarf2.h.
13705         (sparc86x-*-elf*): Likewise.
13706         (sparc64-*-elf*): Likewise.
13707         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
13708         (DBX_DEBUGGING_INFO): Likewise.
13709         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
13710         (PREFERRED_DEBUGGING_TYPE): Likewise.
13711         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
13712         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
13713         (PREFERRED_DEBUGGING_TYPE): Likewise.
13714         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
13715         (PREFERRED_DEBUGGING_TYPE): Likewise.
13716         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
13717
13718 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
13719
13720         PR target/18701
13721         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
13722
13723 2005-01-20  Paul Brook  <paul@codesourcery.com>
13724
13725         * doc/rtl.texi: Document value extension requirements for CONST_INT.
13726
13727 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
13728
13729         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
13730         label is first in a sequence of labels.
13731
13732         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
13733
13734 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
13735             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
13736
13737         * doc/sourcebuild.texi (Test Directives): New.
13738
13739 2005-01-20  Roger Sayle  <roger@eyesopen.com>
13740
13741         * real.c (real_floor): Don't leave the result uninitialized when
13742         mode is VOIDMode, but return the unrounded intermediate value.
13743         (real_ceil): Likewise.
13744
13745 2005-01-20  Paul Brook  <paul@codesourcery.com>
13746
13747         * config/arm/arm.md (insv): Use gen_int_mode.
13748
13749 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
13750
13751         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
13752         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13753         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13754         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13755         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13756
13757 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
13758
13759         Fix PR debug/19124
13760         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
13761         fbreg, so we have to assume we can't.
13762         (loc_descriptor_from_tree_1): Ditto.
13763         (containing_function_has_frame_base): New function.
13764         (add_location_or_const_value_attribute): Use it.
13765         Also try to generate a frame_base from a single element location
13766         list.
13767
13768 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
13769
13770         PR tree-optimization/15349
13771         * timevar.def (TV_TREE_MERGE_PHI): New.
13772         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
13773         PHI_WANTED.
13774         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
13775         calls to tree_forwarder_block_p.
13776         (remove_forwarder_block_with_phi, merge_phi_nodes,
13777         gate_merge_phi, pass_merge_phi): New.
13778         * tree-optimize.c (init_tree_optimization_passes): Add
13779         pass_merge_phi.
13780         * tree-pass.h: Add an extern for pass_merge_phi;
13781
13782 2005-01-20  Richard Henderson  <rth@redhat.com>
13783
13784         PR target/19418
13785         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
13786         (_mm_castps_pd, _mm_castps_si128): New.
13787         (_mm_castsi128_ps, _mm_castsi128_pd): New.
13788
13789 2005-01-20  Richard Henderson  <rth@redhat.com>
13790
13791         PR target/19530
13792         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
13793         __builtin_ia32_vec_init_v2si.
13794         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
13795         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
13796         (ix86_init_mmx_sse_builtins): Create it.
13797         (ix86_expand_builtin): Expand it.
13798         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
13799         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
13800         (vec_extractv2si_0, vec_extractv2si_1): New.
13801
13802 2005-01-20  Richard Henderson  <rth@redhat.com>
13803
13804         PR target/16533
13805         * config/i386/i386.c (ix86_expand_push): New.
13806         * config/i386/mmx.md (push<MMXMODE>1): New.
13807         * config/i386/sse.md (push<SSEMODE>1): New.
13808         * config/i386/i386-protos.h: Update.
13809
13810 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
13811
13812         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
13813         copyright.
13814
13815 2005-01-20  Richard Henderson  <rth@redhat.com>
13816
13817         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
13818         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
13819
13820 2005-01-19  Richard Henderson  <rth@redhat.com>
13821
13822         PR target/19350
13823         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
13824         to V4SFmode in SSE1 fallback load path.
13825
13826 2005-01-19  Richard Henderson  <rth@redhat.com>
13827
13828         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
13829         in QImode expansion to ix86_expand_vector_set.
13830         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
13831
13832 2005-01-19  Richard Henderson  <rth@redhat.com>
13833
13834         PR target/19511
13835         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
13836         subclass of the input class.
13837         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
13838         Always true for cross-SSE1 classes.  Rationalize conditionals.
13839         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
13840         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
13841         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
13842         (movdi_2): Add MMX/SSE zeros.
13843         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
13844         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
13845         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
13846         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
13847         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
13848         (zero_extendsidi2_rex64_1): Remove.
13849         (MOV0 peephole): Check GENERAL_REG_P.
13850
13851 2005-01-19  Richard Henderson  <rth@redhat.com>
13852
13853         PR target/19427
13854         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
13855         shufps elements.
13856         (ix86_expand_vector_extract): Likewise.
13857
13858 2005-01-19  Richard Henderson  <rth@redhat.com>
13859
13860         PR middle-end/19304
13861         * expr.c (emit_move_change_mode): New argument force; use
13862         simplify_gen_subreg if true.
13863         (emit_move_via_alt_mode): Merge into ...
13864         (emit_move_via_integer): ... here.
13865         (emit_move_ccmode): Use emit_move_change_mode directly.
13866
13867 2005-01-19  Richard Henderson  <rth@redhat.com>
13868
13869         PR target/19518
13870         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
13871         (alpha_preferred_reload_class): Handle CONST_VECTOR.
13872         (alpha_emit_set_const_1): Add no_output parameter; don't emit
13873         rtl if true.
13874         (alpha_emit_set_const): Likewise.  Make static.
13875         (alpha_emit_set_long_const): Make static.
13876         (alpha_extract_integer): Split out from alpha_expand_mov.
13877         (alpha_split_const_mov): Likewise.
13878         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
13879         (alpha_legitimate_constant_p): New.
13880         * config/alpha/alpha-protos.h: Update.
13881         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
13882         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
13883         * config/alpha/alpha.md (movsi): Add n alternative.
13884         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
13885         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
13886         (splitters for all of the above): Use alpha_split_const_mov.
13887         * config/alpha/predicates.md (non_add_const_operand): New.
13888         (non_zero_const_operand): New.
13889         (input_operand): Use alpha_legitimate_constant_p after reload.
13890
13891 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
13892
13893         PR tree-optimization/19038
13894         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
13895         (add_candidate): Add ivs with increment in latch only if
13896         allow_ip_end_pos_p is true.
13897         (determine_iv_cost): Use empty_block_p.
13898
13899 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
13900
13901         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
13902         (compute_dominance_frontiers): Ditto.
13903
13904 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
13905
13906         PR target/19529
13907         * config/sh/t-rtems: New.
13908         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
13909
13910 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
13911
13912         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
13913         the offset of the selected field.
13914
13915 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
13916
13917         * tree-cfg.c (remove_forwarder_block): Fix the check to
13918         prevent a nonlocal label from appearing in the middle of a
13919         basic block.
13920
13921 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
13922
13923         PR rtl-optimization/19462
13924         * reorg.c (find_end_label): Create return insn only if
13925         current_function_epilogue_delay_list is empty.
13926
13927 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
13928
13929         * doc/passes.texi: Remove paragraph mentioning new-ra.
13930
13931 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
13932
13933         PR rtl-optimization/15139
13934         * combine.c: Include params.h.
13935         (count_rtxs): New function.
13936         (record_value_for_reg): If replace_rtx would replace at least
13937         2 occurrences of REG in VALUE and TEM is really large, replace REG with
13938         (clobber (const_int 0)) instead of TEM.
13939         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
13940         * params.h (MAX_LAST_VALUE_RTL): New.
13941         * Makefile.in (combine.o): Depend on $(PARAMS_H).
13942         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
13943
13944         PR c/17297
13945         * c-typeck.c (digest_init): Only call build_vector if all constructor
13946         elements are *_CST nodes.
13947         * gimplify.c (gimplify_init_constructor): Likewise.
13948
13949         PR middle-end/19164
13950         * c-typeck.c (digest_init): Only call build_vector if inside_init
13951         is a CONSTRUCTOR.
13952
13953 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
13954
13955         * toplev.c (init_asm_output): Remove dead #ifdef.
13956
13957 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
13958
13959         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
13960
13961 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
13962
13963         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
13964         accessing DECL_FUNCTION_CODE.
13965         * dojump.c (do_jump): Likewise.
13966         * gimplify.c (gimplify_call_expr): Likewise.
13967         * predict.c (expr_expected_value): Likewise.
13968         (strip_builtin_expect): Likewise.
13969         * tree-inline.c (estimate_num_insns_1): Likewise.
13970         * tree-ssa-loop-im.c (stmt_cost): Likewise
13971         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
13972         (tree_expr_nonnegative_p): Likewise.
13973
13974 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
13975
13976         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
13977         variant of the load_pcrel_sym pattern.
13978         * config/sparc/sparc.md (P macro): Move to the top.
13979         (load_pcrel_sym): Macroize using P.
13980         (save_register_window): Likewise.
13981
13982 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
13983
13984         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
13985         ("sordered"): Same.
13986
13987 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
13988
13989         PR C/19472
13990         * c-typeck.c (build_asm_expr): Strip nops off
13991         input memory operands.
13992
13993 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
13994
13995         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
13996         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
13997         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
13998         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
13999
14000 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
14001
14002         PR target/19379
14003         * config/i386/i386.c (override_options): If the 80387 is disabled,
14004         then do not return FP values using FP registers.
14005
14006 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
14007
14008         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
14009         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
14010         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
14011         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
14012         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
14013         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
14014         output.h, postreload-gcse.c, postreload.c, recog.c,
14015         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
14016         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
14017         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
14018         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
14019         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
14020         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
14021         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
14022         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
14023
14024         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
14025         config/alpha/alpha.c, config/arm/vfp.md,
14026         config/i386/emmintrin.h, config/i386/i386-modes.def,
14027         config/i386/i386-protos.h, config/i386/i386.h,
14028         config/i386/pmmintrin.h, config/i386/ppro.md,
14029         config/i386/predicates.md, config/i386/xmmintrin.h,
14030         config/i860/i860.c, config/ia64/ia64-modes.def,
14031         config/ia64/ia64-protos.h, config/ia64/ia64.h,
14032         config/ia64/ia64.md, config/ia64/itanium1.md,
14033         config/ia64/itanium2.md, config/ia64/predicates.md,
14034         config/iq2000/iq2000.h, config/mips/linux64.h,
14035         config/rs6000/aix41.h, config/rs6000/aix43.h,
14036         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
14037         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
14038         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
14039         config/sparc/linux64.h, config/sparc/litecoff.h,
14040         config/sparc/sp64-elf.h, config/sparc/sparc.c,
14041         config/sparc/sparc.h, config/sparc/sparc.md,
14042         config/sparc/sysv4-only.h: Update copyright.
14043
14044 2005-01-18  Richard Henderson  <rth@redhat.com>
14045
14046         PR target/19496
14047         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
14048
14049 2005-01-18  Marc Espie  <espie@openbsd.org>
14050         * config/i386/openbsdelf.h: Typo.
14051
14052 2005-01-18  Richard Henderson  <rth@redhat.com>
14053
14054         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
14055         special case for sse.
14056         * config/i386/predicates.md (sse_comparison_operator): Likewise.
14057
14058 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
14059
14060         * tree-inline.c (estimate_num_insns_1): Added cases for
14061         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
14062
14063 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
14064
14065         PR rtl-optimization/19296
14066         * combine.c (simplify_comparison): Rewrite the condition under
14067         which a non-paradoxical SUBREG of a PLUS can be lifted when
14068         compared against a constant.
14069
14070 2005-01-18  Andi Kleen <ak@muc.de>
14071
14072         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
14073         * c.opt (-Wpointer-sign): Add.
14074         * doc/invoke.texi: (-Wpointer-sign): Add.
14075
14076 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
14077
14078         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
14079         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
14080         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
14081         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
14082         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
14083         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
14084         for TARGET_MIX_SSE_I387.
14085         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
14086         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
14087         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
14088         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
14089         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
14090         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
14091         TARGET_MIX_SSE_I387.
14092         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
14093         from expander.
14094
14095 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
14096
14097         PR target/19424
14098         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
14099         Add movaps alternative for xmm reg->reg move.
14100
14101 2005-01-17  Jeff Law  <law@redhat.com>
14102
14103         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
14104         at the end of the main DOM loop rather than just before DOM exits.
14105
14106 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
14107
14108         PR tree-optimization/19121
14109         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
14110         adding aliases to a name tag, also add them to the pointer's
14111         type tag.
14112         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
14113         sensitive alias info at all.  Only check that the two pointers
14114         have compatible pointed-to sets.
14115         * tree-ssa.c (verify_name_tags): Verify that the alias set of
14116         a pointer's type tag is a superset of the alias set of the
14117         pointer's name tag.
14118
14119 2005-01-17  James E Wilson  <wilson@specifixinc.com>
14120
14121         PR target/19357
14122         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
14123         comment to document why.
14124
14125 2005-01-17  Richard Henderson  <rth@redhat.com>
14126
14127         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
14128         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
14129         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
14130         sse2_vmsminv2df3_finite): New.
14131         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
14132         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
14133         Force op1 into register.
14134
14135 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
14136
14137         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
14138         bubblestrap from always rebuilding build directory.
14139
14140 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
14141
14142         * config/s390/s390.md ("*clc"): Remove incorrect '='.
14143         ("*cmpmem_short"): Likewise.
14144
14145 2005-01-17  Steven Bosscher  <stevenb@suse.de>
14146
14147         * basic-block.h: Document BB_* flags.
14148         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
14149         use an sbitmap instead.
14150         * sched-rgn.c (compute_trg_info): Likewise.
14151
14152 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
14153
14154         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
14155         redundant target_cpu_default and extra_parts lines.  Use the default
14156         "from-abi" ISA.
14157         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
14158         (SUBTARGET_EXTRA_SPECS): Delete.
14159         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
14160         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
14161         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
14162         and "n32" for -mabi=n32.
14163
14164 2005-01-17  Ian Lance Taylor  <ian@airs.com>
14165
14166         PR c/5675
14167         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
14168         fold constant variables into initial values.
14169
14170 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
14171
14172         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
14173
14174         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
14175         through the statements backward.
14176
14177 2005-01-17  Ian Lance Taylor  <ian@airs.com>
14178
14179         PR middle-end/13127:
14180         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
14181         a variable set to the return value of the inlined function.
14182
14183 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
14184
14185         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
14186         when modes are tieable.
14187
14188 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
14189
14190         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
14191         of pthread_create to find out if threads are enabled.
14192         * gthr-posix95.h (__gthread_active_p): Likewise.
14193
14194 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
14195
14196         * common.opt (-fnew-ra): Remove.
14197         * ra*.*: Remove.
14198         * toplev.h (flag_new_regalloc): Remove.
14199         * Makefile.in (ra*.*): Don't mention.
14200         * passes.c (rest_of_handle_new_regalloc): Remove.
14201         (rest_of_handle_combine, rest_of_compilation): Always consider
14202         flag_new_regalloc as false.
14203         * doc/invoke.texi: Don't document -fnew-ra.
14204
14205 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
14206
14207         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
14208         last parameter to reg_scan.
14209         * loop.c (loop_optimize): Likewise.
14210         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
14211         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
14212         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
14213         rest_of_handle_gcse, rest_of_handle_loop_optimize,
14214         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
14215         * regclass.c (reg_scan): Likewise, for the declaration.
14216         * rtl.h (reg_scan): Likewise, for the prototype.
14217
14218 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
14219
14220         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
14221         mark_dfs_back_edges.
14222
14223 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
14224
14225         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
14226         (compute_avail): Uses don't go in tmp_gen.
14227
14228 2005-01-16  Steven Bosscher  <stevenb@suse.de>
14229
14230         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
14231         loop to look for a free slot in a page entry.
14232
14233 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14234
14235         PR target/16304
14236         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
14237         * toplev.c (compile_file): Call process_pending_assemble_output_defs
14238         just before targetm.asm_out.file_end.
14239         * tree.h (process_pending_assemble_output_defs): Declare.
14240         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
14241         New functions.
14242         (assemble_alias): Defer generation of assembly code for defines when
14243         TARGET_DEFERRED_OUTPUT_DEFS is true.
14244         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
14245         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
14246         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
14247
14248 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14249
14250         PR target/19336
14251         * pa.c (pa_scalar_mode_supported_p): New function.
14252         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14253         * pa.h (MIN_UNITS_PER_WORD): Add comment.
14254
14255         * pa-protos.h (prefetch_operand): Delete.
14256         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
14257         * pa.c (prefetch_operand): Delete.
14258         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
14259         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
14260         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
14261         and prefetch_nocc_operand.
14262         * pa.md (prefetch): Rework to avoid reload problems handling short
14263         displacements when a cache control completer needs to be provided.
14264         (prefetch_32, prefetch_64): Delete.
14265         (prefetch_cc, prefetch_nocc): New patterns.
14266
14267 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
14268
14269         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
14270
14271 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14272
14273         PR ada/19388
14274         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
14275         exceeds maximum alignment for global common data.
14276         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
14277         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
14278
14279 2004-01-15  Roger Sayle  <roger@eyesopen.com>
14280
14281         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
14282
14283 2004-01-15  Roger Sayle  <roger@eyesopen.com>
14284
14285         * harg-reg-set.h (reg_class_names): Prototype global array.
14286         * regclass.c (reg_class_names): Declare here and initialize to
14287         REG_CLASS_NAMES.
14288         (dump_regclass): Remove local declaration of reg_class_names.
14289         (regclass): Likewise.
14290         * cfg.c (dump_flow_info): Likewise.
14291         * ra-debug.c (reg_class_names): Likewise.
14292         * regrename.c (reg_class_names): Likewise.
14293         * reload.c (reg_class_names): Likewise.
14294         * reload1.c (spill_failure): Likewise.
14295         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
14296
14297 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
14298
14299         * config/s390/s390.md ("reload_outti"): Remove predicate for
14300         output operand.  Abort if operand is not a MEM.
14301         ("reload_outdi", "reload_outdf"): Likewise.
14302
14303 2005-01-15  Marc Espie  <espie@openbsd.org>
14304
14305         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
14306         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
14307         * config/openbsd.h:  Fix C++ includes for native configurations.
14308         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
14309         Add trampoline support.
14310         * config/i386/openbsdelf.h: New.
14311
14312 2005-01-15  Marc Espie  <espie@openbsd.org>
14313
14314         * collect2.c (main): Explicitly parse -dynamic-linker option.
14315
14316 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
14317
14318         PR tree-optimization/19060
14319         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
14320         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
14321         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
14322         and handle extract_range_from_cond returning false.
14323         * fold-const.c (fold): Optimize comparisons with min/max even for
14324         width > HOST_BITS_PER_WIDE_INT.
14325
14326 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
14327
14328         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
14329         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
14330         Remove little endian multilib variants.
14331         Add mips32 multilib variant.
14332
14333 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
14334
14335         * explow.c (copy_all_reg, stabilize): Remove.
14336         * expr.h: Remove the corresponding prototypes.
14337
14338         * rtlanal.c (regs_set_between_p): Remove.
14339         * rtl.h: Remove the corresponding prototype.
14340
14341 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
14342
14343         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
14344         to rs6000_nonimmediate_operand.
14345         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
14346         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
14347         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
14348         rs6000_nonimmediate_operand.
14349         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
14350         rs6000_nonimmediate_operand.
14351
14352 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
14353
14354         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
14355
14356 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14357
14358         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
14359         on e500v2.
14360         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
14361         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
14362
14363         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
14364         (rs6k_nonimmediate_operand): New.
14365         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
14366         correctly.
14367         (legitimate_lo_sum_address_p): Same.
14368         (rs6000_legitimize_address): Same.
14369         (rs6000_legitimize_reload_address): Same.
14370         (rs6000_legitimate_address): Same.
14371         (spe_build_register_parallel): Pass DF and DC modes in a DI
14372         register.
14373
14374         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
14375         to rs6k_nonimmediate_operand.
14376
14377         * config/rs6000/spe.md ("*frob_df_di"): New.
14378         ("*frob_di_df"): New.
14379         ("*frob_di_df_2"): New.
14380         ("*mov_sidf_e500_subreg0"): New.
14381         ("*mov_sidf_e500_subreg4"): New.
14382         ("*movdf_e500_double"): Change predicate to
14383         rs6k_nonimmediate_operand.
14384
14385 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14386
14387         * postreload.c (move2add_note_store): Only call
14388         trunc_int_for_mode on scalar integers.
14389
14390 2005-01-14  Steven Bosscher  <stevenb@suse.de>
14391
14392         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
14393         replace BB_VISITED uses.
14394         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
14395         (propagate_necessity): Check the bitmap instead of BB_VISITED.
14396         (tree_dce_done): Free visited_control_parents.
14397         (perform_tree_ssa_dce): Allocate and clear it.
14398         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
14399         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
14400         instead of BB_VISITED.
14401
14402 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
14403
14404         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
14405         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
14406         Remove unused prototypes.
14407
14408 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14409
14410         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
14411         64-bit register usage.
14412         (spe_func_has_64bit_regs_p): Add FIXME note.
14413
14414 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14415
14416         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
14417         flag_finite_math_only with flag_unsafe_math_optimizations.
14418
14419 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
14420
14421         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
14422         end-of-stack check.
14423         (__tpf_eh_return): Copy TPF private stack area from the module
14424         boundary stack frame.  Add check for when module addresses are
14425         equal, but no stub address is found.
14426
14427 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
14428
14429         PR target/7525
14430         * arm.h (struct machine_function): Add call_via field.
14431         (thumb_call_via_label): Declare.
14432         * arm.c (thumb_call_via_label): New variable.
14433         (thumb_call_reg_needed): New variable.
14434         (arm_output_function_epilogue): For Thumb code, output any per-function
14435         call-indirect trampolines.
14436         (thumb_call_via_reg): New function.
14437         (arm_file_end): New function.
14438         (TARGET_ASM_FILE_END): Call arm_file_end.
14439         (aof_file_end): Likewise.
14440         * arm-protos.h (thumb_call_via_reg): Declare.
14441         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
14442         thumb_call_via_reg in normal case.
14443
14444 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
14445
14446         PR middle-end/19084
14447         PR rtl-optimization/19348
14448         * recog.c (peephole2_optimize): Do global life update if some peephole
14449         decides it doesn't need at least one of its inputs and that change
14450         influences liveness at the start of the basic block.
14451
14452         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
14453         arguments instead of 1.
14454
14455 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
14456
14457         PR middle-end/18820
14458         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
14459         zero for nested functions needing a static chain or functions
14460         with a non-constant address.
14461
14462 2005-01-13  Roger Sayle  <roger@eyesopen.com>
14463
14464         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
14465         (and (sign_extend X) C) into (zero_extend (and X C)).
14466
14467 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
14468
14469         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
14470
14471 2005-01-13  Richard Henderson  <rth@redhat.com>
14472
14473         PR target/19009
14474         PR target/19250
14475         PR target/19252
14476         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
14477         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
14478         not just TARGET_SSE.
14479         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
14480         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
14481         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
14482         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
14483         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
14484         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
14485         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
14486         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
14487         (movdicc_c_rex64): Rename with '*'.
14488         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
14489         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
14490         (movsfcc_1_387): Rename from movsfcc_1.
14491         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
14492         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
14493         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
14494         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
14495         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
14496         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
14497         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
14498         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
14499         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
14500         sse_movdfcc_const0_4): Remove.
14501         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
14502         recognize min/max early.  Update for changed sse cmove patterns.
14503         (ix86_split_sse_movcc): New.
14504         * config/i386/i386-protos.h: Update.
14505
14506 2005-01-13  Steven Bosscher  <stevenb@suse.de>
14507
14508         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
14509         (fix_stmt_v_may_defs): Likewise.
14510
14511 2005-01-13  Richard Henderson  <rth@redhat.com>
14512
14513         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
14514         for converting the mask.
14515
14516 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
14517
14518         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
14519         definition to 600.
14520
14521 2005-01-13  Richard Henderson  <rth@redhat.com>
14522
14523         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
14524         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
14525         IX86_BUILTIN_MOVDQ2Q): Remove.
14526         (IX86_BUILTIN_VEC_EXT_V4SI): New.
14527         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
14528         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
14529         shuffling.
14530         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
14531         (sse2_pextrw): Fix immediate constraint.
14532         (sse2_loadq, sse2_loadq_rex64): Remove.
14533         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
14534         Use __builtin_ia32_vec_ext_<size>.
14535         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
14536
14537 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
14538
14539         * function.c (assign_parm_setup_block): Look inside original
14540         entry_parm when inspecting PARALLEL.
14541
14542 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
14543             Joel Sherrill  <joel@oarcorp.com>
14544
14545         PR target/19399
14546         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
14547         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
14548         rtems_gxx_recursive_mutex_init.
14549         (__gthread_recursive_mutex_lock): New function.
14550         (__gthread_recursive_mutex_trylock): Likewise.
14551         (__gthread_recursive_mutex_unlock): Likewise.
14552
14553 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
14554
14555         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
14556
14557 2005-01-13  Jan Beulich  <jbeulich@novell.com>
14558
14559         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
14560         (ashrti3_internal): Indicate output is early clobber. Generate result
14561         into output rather than first input. Use move for low word of output
14562         if shift count is exactly 64.
14563         (lshrti3_internal): Likewise.
14564
14565 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
14566
14567         PR target/18329
14568         PR target/18330
14569         * reload1.c (delete_output_reload): Don't delete an output reload
14570         if the pseudo lives longer than a single basic block.  Adjust and
14571         improve wording of comment.
14572
14573 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
14574
14575         PR target/19334
14576         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
14577         of TYPE_SIZE where we mean the number of bytes.
14578
14579 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
14580
14581         * function.c (assign_parm_setup_block): Relax condition on
14582         multi-register optimization.
14583
14584 2005-01-12  Nick Clifton  <nickc@redhat.com>
14585
14586         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
14587         an "in_delay_slot" attribute of "no" to prevent them being used in
14588         delay slots.  This is forbidden because they might generate
14589         exceptions.
14590
14591 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
14592
14593         PR target/19389
14594         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
14595         with r->Y and Y->r.
14596
14597 2005-01-12  Nick Clifton  <nickc@redhat.com>
14598
14599         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
14600         passed on to GAS) but do not define, as GAS no longer supports or
14601         needs the -m2000 option.
14602
14603 2005-01-11  Roger Sayle  <roger@eyesopen.com>
14604
14605         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
14606         type as args of unprototyped builtins aren't automatically promoted.
14607         (fold_builtin_abs): Likewise.
14608
14609 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14610
14611         * Makefile.in: Set a `build-warn' variable.
14612
14613 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
14614
14615         PR tree-optimization/17949
14616         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
14617         (find_interesting_uses_address): Use it.
14618
14619 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
14620
14621         * regrename.c (kill_value): Handle subreg's that won't simplify.
14622
14623 2005-01-11  Richard Henderson  <rth@redhat.com>
14624
14625         PR target/13366
14626         * config/i386/i386.h (enum ix86_builtins): Move ...
14627         * config/i386/i386.c: ... here.
14628         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
14629         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
14630         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
14631         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
14632         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
14633         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
14634         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
14635         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
14636         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
14637         IX86_BUILTIN_LOADDDUP): Remove.
14638         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
14639         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
14640         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
14641         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
14642         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
14643         (ix86_init_builtins): Make static.
14644         (ix86_init_mmx_sse_builtins): Update for changed builtins.
14645         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
14646         if all the modes match.  Otherwise, fake it.
14647         (get_element_number, ix86_expand_vec_init_builtin,
14648         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
14649         (ix86_expand_builtin): Make static.  Update for changed builtins.
14650         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
14651         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
14652         (ix86_expand_vector_init_duplicate): New.
14653         (ix86_expand_vector_init_low_nonzero): New.
14654         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
14655         Split out from ix86_expand_vector_init; handle integer modes.
14656         (ix86_expand_vector_init): Use them.
14657         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
14658         * config/i386/i386-protos.h: Update.
14659         * config/i386/predicates.md (reg_or_0_operand): New.
14660         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
14661         (movv2sf_internal): Likewise.  And a splitter to match them all.
14662         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
14663         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
14664         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
14665         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
14666         (mmx_pinsrw): Fix operand ordering.
14667         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
14668         rather than sse_loadss expander.
14669         (movv2df splitter): Similarly.
14670         (sse_loadss, sse_loadlss): Remove.
14671         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
14672         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
14673         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
14674         (sse3_movddup): Rename with '*'.
14675         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
14676         (sse2_loadsd): Remove.
14677         (vec_dupv2df_sse3): Rename from sse3_loadddup.
14678         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
14679         (sse2_pinsrw): Fix argument ordering.
14680         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
14681         (sse2_stored): Remove 'r' destination.
14682         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
14683         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
14684         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
14685         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
14686         vec_extractv16qi, vec_initv16qi): New.
14687
14688         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
14689         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
14690         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
14691         constructor form.
14692         (_mm_load_pd, _mm_store_pd): Use plain dereference.
14693         (_mm_load_si128, _mm_store_si128): Likewise.
14694         (_mm_load1_pd): Use _mm_set1_pd.
14695         (_mm_load_sd): Use _mm_set_sd.
14696         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
14697         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
14698         (_mm_set_epi64): Use _mm_set_epi64x.
14699         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
14700         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
14701         _mm_setr_epi8): Use _mm_set_foo form.
14702         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
14703         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
14704         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
14705         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
14706         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
14707         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
14708         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
14709         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
14710         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
14711         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
14712         (_mm_movedup_pd): Use _mm_shuffle_pd.
14713         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
14714         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
14715         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
14716         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
14717         Use _mm_setzero_ps.
14718         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
14719         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
14720         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
14721         (_mm_store_ps): Use raw dereference.
14722         (_mm_store1_ps): Use _mm_storeu_ps.
14723         (_mm_storer_ps): Use _mm_store_ps.
14724         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
14725         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
14726
14727 2005-01-11  Stan Shebs  <shebs@apple.com>
14728
14729         * config/rs6000/rs6000.c (machopic_output_stub): Issue
14730         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
14731
14732 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
14733
14734         PR target/18761
14735         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
14736         Skip all DECLs except for FIELD_DECLs.
14737
14738 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
14739
14740         * config/s390/s390.c (override_options): Return error if
14741         -mbackchain, -mpacked-stack and -mhard-float are used together.
14742         (s390_va_start): Remove the backchain && packed-stack special case.
14743         (s390_gimplify_va_arg): Likewise.
14744         * doc/invoke.texi: Remove the ABI incompatibility note.
14745
14746 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
14747
14748         * config/s390/s390.c (struct s390_frame_layout): Remove
14749         save_backchain_p.
14750         (s390_frame_info, s390_emit_prologue): Replace occurrences of
14751         save_backchain_p with TARGET_BACKCHAIN.
14752
14753 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
14754
14755         PR target/18916
14756         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
14757         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
14758         * function.c (locate_and_pad_parm): Set new field.
14759         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
14760         Tweak where_pad test to include "none".  Always set mem align for
14761         stack_parm.
14762         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
14763         not sufficient for type.
14764         (assign_parm_setup_block): If stack_parm is zero on entry, always
14765         make a new stack local.  Block move old stack parm if necessary
14766         to new aligned stack local.
14767         (assign_parm_setup_stack): Use a block move to handle
14768         potentially misaligned entry_parm.
14769         (assign_parms_unsplit_complex): Specify required alignment when
14770         creating stack local.
14771         * calls.c (compute_argument_addresses): Override alignment of stack
14772         arg calculated from its type with the alignment given by
14773         FUNCTION_ARG_BOUNDARY.
14774         (store_one_arg): Likewise.
14775
14776 2005-01-11  Jan Beulich  <jbeulich@novell.com>
14777
14778         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
14779         Change respective itanium_class attribute to ialu.
14780         (shladdp4_internal): New.
14781         * config/ia64/predicates.md (shladd_log2_operand): New.
14782
14783 2005-01-11  Richard Henderson  <rth@redhat.com>
14784
14785         * expr.c (store_constructor): Use rtvec_alloc instead of
14786         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
14787
14788 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
14789
14790         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
14791
14792 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
14793
14794         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
14795         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
14796         (TARGET_RWRELOC): Define.
14797         (ia64_rwreloc_section_type_flags): Delete.
14798         (ia64_section_type_flags): New function.
14799         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
14800         (TARGET_RWRELOC): Define.
14801
14802 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
14803
14804         PR target/18987
14805         * config/ia64/ia64.c (process_set): For alloc insn, only call
14806         process_epilogue is !frame_pointer_needed.
14807
14808 2005-01-10  Roger Sayle  <roger@eyesopen.com>
14809
14810         PR c++/19355
14811         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
14812         unary operator and can't be treated as a binary/comparison operator.
14813
14814 2005-01-10  Richard Henderson  <rth@redhat.com>
14815
14816         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
14817         (ix86_return_in_memory): Likewise.
14818         (function_arg_advance):  Likewise.  Mirror structure in function_arg
14819         for choosing register to advance.
14820
14821 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
14822
14823         * tree-vectorizer.c, tree.def: Fix comment typos.
14824
14825 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
14826
14827         * config/s390/s390.c (struct processor_costs): 4 new fields:
14828         ddbr, ddr, debr, der.
14829         (s390_rtx_costs): More precise handling of divide instructions.
14830
14831 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
14832
14833         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
14834
14835 2005-01-10  Jan Beulich  <jbeulich@novell.com>
14836
14837         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
14838         names resulting from -ffunction-sections/-fdata-sections and linkonce
14839         ones.
14840         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
14841         based on the section name. Rearrange the section name comparison logic
14842         slightly so that each section name is compared against at most once.
14843
14844 2005-01-10  Ben Elliston  <bje@au.ibm.com>
14845
14846         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
14847         targets for which -fPIC reduces limitations on the GOT size.
14848
14849 2005-01-09  Falk Hueffner  <falk@debian.org>
14850
14851         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
14852         X/C1 cmpop C2.
14853
14854 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
14855
14856         PR target/18720
14857         * collect2.c (main): Set aixrtl_flag for -brtl option.
14858         (resolve_lib_name): Search for .so file extension before .a
14859         if aixrtl_flag set.
14860
14861 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
14862
14863         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
14864         (vect_analyze_data_refs_alignment): Add dump prints.
14865
14866 2005-01-09  Ira Rosen  <irar@il.ibm.com>
14867
14868         * tree-vectorizer.c (vect_analyze_offset_expr): Use
14869         expr_invariant_in_loop_p.
14870         Initialize outputs first thing in the function.
14871         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
14872         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
14873         (vect_analyze_pointer_ref_access): Check that the initial condition of
14874         the access function is loop invariant.
14875
14876 2005-01-09  Richard Henderson  <rth@redhat.com>
14877
14878         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
14879         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
14880         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
14881         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
14882         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
14883         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
14884         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
14885         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
14886         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
14887         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
14888         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
14889         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
14890         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
14891         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
14892         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
14893         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
14894         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
14895         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
14896         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
14897         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
14898         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
14899         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
14900         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
14901         mmx_ prefix.
14902         (mmx_clrdi, pavgusb): Remove.
14903         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
14904         with leading sse_ prefix.
14905         * config/i386/sse.md: Receive them.
14906         * config/i386/mmx.md: New file.
14907         (MMXMODE12, MMXMODE24, mmxvecsize): New.
14908         (subrv2sf3): Turn into expander for normal subtraction.
14909         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
14910         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
14911         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
14912         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
14913         commutative; use ix86_binary_operator_ok.
14914         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
14915         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
14916         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
14917         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
14918         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
14919         Macroize from existing patterns; use ix86_binary_operator_ok.
14920         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
14921         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
14922         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
14923         with vec_select+vec_concat.
14924         (mmx_pshufw, mmx_pshufw_1): Likewise.
14925         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
14926         (mmx_uavgv4hi3): Model correctly.
14927         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
14928         _mm_xor_si64): Remove casts.
14929
14930 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
14931
14932         PR tree-optimization/19224
14933         * tree-scalar-evolution.c (get_instantiated_value,
14934         set_instantiated_value): New functions.
14935         (instantiate_parameters_1): Cache the results.
14936         (instantiate_parameters, resolve_mixers): Initialize and free
14937         the cache.
14938
14939 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
14940
14941         * config/i386/i386.md (addhi_4): Correct reference in comment.
14942         (addqi_4): Same.
14943
14944 2005-01-08  Richard Henderson  <rth@redhat.com>
14945
14946         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
14947         (_mm_cvtsi128_si64x): Likewise.
14948         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
14949         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
14950         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
14951         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
14952         * config/i386/i386-protos.h: Update.
14953         * config/i386/i386.c (print_operand): Add 'H'.
14954         (ix86_fixup_binary_operands): Split out from ...
14955         (ix86_expand_binary_operator): ... here.
14956         (ix86_fixup_binary_operands_no_copy): New.
14957         (ix86_expand_fp_absneg_operator): Handle vector mode results.
14958         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
14959         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
14960         (safe_vector_operand): Use CONST0_RTX.
14961         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
14962         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
14963         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
14964         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
14965         special cases.
14966         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
14967         (IX86_BUILTIN_CMPNGESS): New.
14968         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
14969         (attr type): Add sselog1.
14970         (attr unit, attr memory): Handle it.
14971         (movti, movti_internal, movti_rex64): Move near other integer moves.
14972         (movtf, movtf_internal): Move near other fp moves.
14973         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
14974         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
14975         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
14976         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
14977         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
14978         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
14979         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
14980         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
14981         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
14982         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
14983         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
14984         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
14985         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
14986         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
14987         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
14988         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
14989         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
14990         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
14991         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
14992         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
14993         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
14994         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
14995         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
14996         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
14997         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
14998         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
14999         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
15000         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
15001         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
15002         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
15003         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
15004         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
15005         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
15006         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
15007         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
15008         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
15009         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
15010         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
15011         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
15012         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
15013         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
15014         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
15015         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
15016         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
15017         same time.
15018         (SSEPUSH, push<SSEPUSH>): Remove.
15019         (MMXPUSH, push<MMXPUSH>): Remove.
15020         (sse_movaps, sse_movaps_1, sse_movups): Remove.
15021         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
15022         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
15023         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
15024         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
15025         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
15026         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
15027         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
15028         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
15029         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
15030         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
15031         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
15032         (ppro_sse_log_V4SF): Handle sselog1.
15033         * config/i386/predicates.md (const_0_to_1_operand): New.
15034         (const_0_to_255_mul_8_operand): New.
15035         (const_1_to_31_operand): Rename from const_int_1_31_operand.
15036         (const_2_to_3_operand, const_4_to_7_operand): New.
15037         * config/i386/sse.md: New file.
15038         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
15039         (sse_movups): Rename from sse_movups_1.
15040         (sse_loadlss): Rename from sse_loadss_1.
15041         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
15042         from the name.
15043         (negv4sf2): Use ix86_expand_fp_absneg_operator.
15044         (absv4sf2, negv2df, absv2df): New.
15045         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
15046         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
15047         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
15048         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
15049         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
15050         (sse3_addsubv4sf3): Model correctly.
15051         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
15052         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
15053         (sse_movhlps): Model with vec_select+vec_concat.
15054         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
15055         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
15056         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
15057         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
15058         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
15059         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
15060         sse2_pshufhw_1): Likewise.
15061         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
15062         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
15063         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
15064         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
15065         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
15066         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
15067         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
15068         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
15069         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
15070         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
15071         sminv8hi3): Mark commutative
15072         operands.  Use ix86_binary_operator_ok.
15073         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
15074         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
15075         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
15076         sse2_punpcklqdq): Allow operand2 in memory.
15077         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
15078         sse2_movsd): Add memory alternatives.
15079         (sse_storelps): Turn expander into an insn; split after reload.
15080         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
15081         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
15082
15083 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
15084
15085         * configure.ac (DWARF-2 debug_line): Use objdump.
15086         * configure: Regenerate.
15087
15088 2005-01-08  Jeff Law  <law@redhat.com>
15089             Diego Novillo  <dnovillo@redhat.com>
15090
15091         PR tree-optimization/18241
15092         * tree-nrv.c (tree_nrv): Ignore volatile return values.
15093         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
15094         statements with volatile operands.
15095         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
15096         operands after marking a statement with has_volatile_ops.
15097
15098 2005-01-08  Roger Sayle  <roger@eyesopen.com>
15099
15100         * tree.c (int_fits_type_p): Always honor integer constant
15101         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
15102
15103 2005-01-08  Roger Sayle  <roger@eyesopen.com>
15104
15105         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
15106         the latent bug in rtl_delete_block has been resolved.
15107
15108 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
15109
15110         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
15111         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
15112
15113 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
15114
15115         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
15116         library as @multilib_dir@/$(SHLIB_SONAME).
15117
15118 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
15119
15120         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
15121         * configure: Regenerate.
15122
15123 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
15124
15125         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
15126         TYPE_MODE.
15127
15128 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
15129
15130         PR target/13674
15131         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
15132         Convert non-word aligned offset address using ld/std into
15133         indirect address.
15134
15135 2005-01-07  Richard Henderson  <rth@redhat.com>
15136
15137         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
15138
15139 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
15140
15141         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
15142
15143 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
15144
15145         PR tree-optimization/19283
15146         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
15147         is not shorter than the original type.
15148
15149         PR rtl-optimization/19012
15150         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
15151
15152         PR rtl-optimization/18861
15153         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
15154         (FULL_STATE): Define.
15155         (mark_tablejump_edge): New function.
15156         (purge_dead_tablejump_edges): New function.
15157         (find_bb_boundaries): Use it.
15158
15159         PR tree-optimization/18828
15160         * builtins.c (expand_builtin_next_arg): Remove argument and all
15161         the argument checking.
15162         (expand_builtin): Adjust caller.
15163         (expand_builtin_va_start): Likewise.  Remove error for too many
15164         arguments.
15165         (fold_builtin_next_arg): Issue error for too many arguments.
15166         After checking arguments, replace them with magic arguments that
15167         prevent further checking of the args.
15168
15169 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15170
15171         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
15172
15173 2005-01-06  Roger Sayle  <roger@eyesopen.com>
15174
15175         PR target/6077
15176         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
15177         and %{.S:...} (and their negative variants) to test whether the
15178         input file is assembler or pre-processed-assembler independent of
15179         the actual filename extension.
15180
15181 2005-01-06  Roger Sayle  <roger@eyesopen.com>
15182
15183         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
15184         of sign or zero extended values.
15185
15186 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
15187
15188         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
15189         for IBM long double format correctly.
15190
15191 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
15192
15193         Fix PR tree-optimization/18792
15194
15195         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
15196         to first_loop_depth, and use loop depth instead of loop number.
15197         (build_classic_dir_vector): Ditto.
15198         (compute_data_dependences_for_loop): Use depth, not loop number.
15199         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
15200         number. Pass in loops, instead of loop numbers.
15201         (gather_interchange_stats): Ditto.
15202         (linear_transform_loops): Ditto.
15203
15204 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
15205
15206         PR rtl-opt/13299
15207         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
15208         biv_fits_mode_p, extension_within_bounds_p): New functions.
15209         (check_ext_dependent_givs): Use them.
15210
15211 2005-01-06  Roger Sayle  <roger@eyesopen.com>
15212
15213         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
15214         more than one barrier, in which case we should delete them all.
15215
15216 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
15217
15218         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
15219
15220 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
15221
15222         Fix PR middle-end/19286
15223         Fix PR debug/19267
15224         * dwarf2out.c (gen_subprogram_die): If we've already tried to
15225         output this subprogram, simply ignore this attempt to do it again.
15226         (add_abstract_origin_attribute): Don't abort trying to add the abstract
15227         origin attribute if it's not possible.
15228         (gen_block_die): Don't ignore subblocks of "unused" blocks.
15229         (decls_for_scope): Ditto.
15230         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
15231         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
15232
15233 2005-01-05  Richard Henderson  <rth@redhat.com>
15234
15235         PR target/11327
15236         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
15237         (bdesc_2arg): Use it.
15238         (ix86_expand_binop_builtin): Force operands into registers
15239         when optimizing.
15240         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
15241         ix86_expand_sse_compare, ix86_expand_sse_comi,
15242         ix86_expand_builtin): Likewise.
15243
15244 2005-01-05  Richard Henderson  <rth@redhat.com>
15245
15246         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
15247         and VEC_SELECT.
15248         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
15249         (mulv4hi3): Set itanium_class mmmul.
15250         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
15251         (fpack): Rename from fpack_sfsf.
15252
15253 2005-01-05  Richard Henderson  <rth@redhat.com>
15254
15255         PR rtl-opt/10692
15256         * reload1.c (do_input_reload): Restrict the optimization deleteing
15257         a previous output reload to RELOAD_FOR_INPUT.
15258
15259 2005-01-05  Steven Bosscher  <stevenb@suse.de>
15260
15261         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
15262         comment that we fall through after case.
15263         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
15264         (distribute_links): Likewise.
15265         * cse.c (cse_insn): Likewise.
15266         * cselib.c (cselib_invalidate_mem): Likewise.
15267         * df.c: Update comments at the top of the file.
15268         (read_modify_subreg_p): Update comments here too.
15269         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
15270         * flow.c (mark_set_1): Likewise.
15271         (mark_used_regs): Likewise.
15272         * gcse.c (mems_conflict_for_gcse_p): Likewise.
15273         (canon_list_insert): Likewise.
15274         (mark_set): Likewise.
15275         (try_replace_reg): Likewise.
15276         (store_killed_in_insn): Likewise.
15277         * loop.c (count_one_set): Likewise.
15278         (basic_induction_var): Likewise.
15279         * postreload-gcse.c (find_mem_conflicts): Likewise.
15280         * postreload.c (reload_combine_note_store): Likewise.
15281         (move2add_note_store): Likewise.
15282         * reload.c (find_equiv_reg): Likewise.
15283         (mark_referenced_resources): Likewise.
15284         * rtlanal.c (set_noop_p): Likewise.
15285         (note_stores): Likewise.
15286         (note_uses): Likewise.
15287         * sched-deps.c (sched_analyze_1): Likewise.
15288         * sched-rgn.c (check_live_1): Likewise.
15289         (update_live_1): Likewise.
15290         * config/i860/i860.c: Likewise.
15291
15292         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
15293         an lvalue.
15294         (ZERO_EXTRACT): Mention that this one can be an lvalue.
15295
15296         * doc/rtl.texi: Update documentation for bit-fields and SET.
15297
15298 2005-01-05  Roger Sayle  <roger@eyesopen.com>
15299
15300         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
15301
15302 2005-01-05  Jan Hubicka  <jh@suse.cz>
15303             Richard Henderson  <rth@redhat.com>
15304
15305         PR target/18910
15306         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
15307         with an offset.
15308
15309 2005-01-05  Richard Henderson  <rth@redhat.com>
15310
15311         PR target/12902
15312         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
15313         (sse_shufps): Change operand 3 to const_int_operand.
15314         (sse2_storelps): Fix typo in template.
15315         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
15316         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
15317         (ix86_expand_builtin): Likewise.
15318
15319 2005-01-05  Julian Brown  <julian@codesourcery.com>
15320
15321         * config/arm/arm.c (arm_return_in_memory): Treat complex types
15322         as aggregates for AAPCS ABIs.
15323
15324 2005-01-05  Stan Shebs  <shebs@apple.com>
15325
15326         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
15327         Mach-O getters if ppc64.
15328         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
15329         size argument.
15330         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
15331         signed four-byte field for global code case.
15332         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
15333
15334 2005-01-05  Roger Sayle  <roger@eyesopen.com>
15335
15336         PR middle-end/19100
15337         * c-common.c: Include real.h.
15338         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
15339         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
15340         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
15341         * Makefile.in (c-common.o): Update dependencies.
15342
15343 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
15344
15345         * c-parse.in (asm_string): Add trailing semicolon.
15346
15347 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
15348
15349         * c-parse.in (asm_string): New.  Don't allow wide strings in
15350         'asm'.
15351         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
15352         asm_string instead of STRING.
15353
15354 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
15355
15356         * c-typeck.c (constructor_no_implicit): Remove.
15357         (set_designator, process_init_element): Don't check
15358         constructor_no_implicit.
15359
15360 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
15361             Kaz Kojima  <kkojima@gcc.gnu.org>
15362
15363         PR target/16482
15364         * lcm.c (create_pre_exit): New.
15365         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
15366         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
15367
15368 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
15369
15370         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
15371         -msoft-float in target_float_switch.
15372         * arm.c (arm_override_options): Fix processing of target_float_switch.
15373
15374 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
15375
15376         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
15377         preferencing.
15378
15379 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
15380
15381         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
15382         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
15383
15384 2005-01-04  Roger Sayle  <roger@eyesopen.com>
15385
15386         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
15387         if deleting the then-block allows the test-block to fallthru to the
15388         else-block.
15389
15390 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
15391
15392         PR c/19152
15393         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
15394         after the full declaration if the are in two different TUs.
15395
15396 2005-01-04  Richard Henderson  <rth@redhat.com>
15397
15398         PR tree-opt/19158
15399         * tree-sra.c (generate_one_element_init): Just
15400         call gimplify_and_add.
15401         (generate_element_init): Record the
15402         new referenced variables and mark them for renaming
15403         and split out to ...
15404         (generate_element_init_1): This.
15405         (scalarize_init): Don't call push_gimplify_context/
15406         pop_gimplify_context.
15407
15408 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
15409
15410         * toplev.c (get_src_pwd): Handle failure of getpwd().
15411
15412 2005-01-04  Roger Sayle  <roger@eyesopen.com>
15413
15414         * fold-const.c (fold_single_bit_test): Delete unreachable handling
15415         of TRUTH_NOT_EXPR.
15416         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
15417         all the cases handled by it are inverted by invert_truthvalue.
15418
15419 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
15420
15421         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
15422         (save_register_windowsi): Likewise.
15423
15424 2005-01-04  Richard Henderson  <rth@redhat.com>
15425
15426         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
15427
15428 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
15429
15430         PR middle-end/17767
15431         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
15432         any simplifications of vector mode comparison operators.
15433         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
15434
15435 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
15436             Devang Patel  <dpatel@apple.com>
15437
15438         PR tree-optimization/18308
15439         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
15440         the operands before creating a new expression.
15441         * dojump.c (do_jump): Make drop_through_label available
15442         for all cases.  Add expansion of COND_EXPR.
15443
15444 2005-01-04  Ira Rosen  <irar@il.ibm.com>
15445
15446         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
15447         INTEGER_CST instead of TREE_CONSTANT.
15448         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
15449         instead of TREE_CONSTANT.
15450         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
15451         instead of TREE_CONSTANT.
15452
15453 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
15454
15455         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
15456
15457 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
15458
15459         PR target/19240
15460         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
15461         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
15462
15463 2005-01-03  Richard Henderson  <rth@redhat.com>
15464
15465         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
15466         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
15467         fold_convert_const_real_from_real): Split out from ...
15468         (fold_convert_const): ... here.
15469
15470 2005-01-03  Richard Henderson  <rth@redhat.com>
15471
15472         PR target/19235
15473         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
15474         (mov<MMXMODEI>_internal): Likewise.
15475         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
15476         Add V2SF case; use it for SSE1; don't use TI.
15477         (movdf_integer): Likewise.
15478         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
15479
15480 2005-01-03  Ira Rosen  <irar@il.ibm.com>
15481
15482         * tree-vectorizer.c (vect_strip_conversions): New function.
15483         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
15484         check for binary class.
15485
15486 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
15487
15488         Fix PR debug/17924
15489         Fix PR debug/19191
15490         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
15491         is a decl.
15492         * gimple-low.c (mark_blocks_with_used_vars): New function.
15493         (mark_blocks_with_used_subblocks): Ditto.
15494         (mark_used_blocks): Ditto.
15495         (pass_mark_used_blocks): New pass.
15496         * tree-inline.c: Include debug.h.
15497         (expand_call_inline): Call outlining_inline_function here.
15498         * tree-optimize.c (init_tree_optimization_passes): Add
15499         pass_mark_used_blocks.
15500         * tree-pass.h (pass_mark_used_blocks): New.
15501         * Makefile.in (tree-inline.o): Add debug.h dependency.
15502
15503 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
15504
15505         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
15506         VAR_DECLs to have weak_import attribute.
15507
15508         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
15509         'struct ucontext'.
15510
15511 2004-01-03  Steven Bosscher  <stevenb@suse.de>
15512
15513         * passes.c (rest_of_compilation): Don't run regmove if only
15514         flag_expensive_optimizations, require flag_regmove instead.
15515
15516 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
15517
15518         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
15519         register "sparc".
15520         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
15521         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
15522         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
15523         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
15524
15525 2005-01-03  Richard Henderson  <rth@redhat.com>
15526
15527         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
15528         (ia64_const_ok_for_letter_p): New.
15529         (ia64_const_double_ok_for_letter_p): New.
15530         (ia64_extra_constraint): New.
15531         (ia64_expand_vecint_compare): New.
15532         (ia64_expand_vcondu_v2si): New.
15533         (ia64_expand_vecint_cmov): New.
15534         (ia64_expand_vecint_minmax): New.
15535         (ia64_print_operand): Add 'v'.
15536         (ia64_preferred_reload_class): New.
15537         (ia64_vector_mode_supported_p): New.
15538         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
15539         (PREFERRED_RELOAD_CLASS): Move to function.
15540         (CONST_OK_FOR_LETTER_P): Move to function.
15541         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
15542         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
15543         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
15544         (EXTRA_CONSTRAINT): Move to function.
15545         * config/ia64/ia64.md: Include vect.md.
15546         (itanium_class): Add mmalua.
15547         (type): Handle it.
15548         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
15549         (1b_mmalua): New.
15550         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
15551         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
15552         CONST0_RTX.
15553         (const_int_2bit_operand): New.
15554         (fr_reg_or_0_operand): New.
15555         * config/ia64/ia64-modes.def: Add vector modes.
15556         * config/ia64/ia64-protos.h: Update.
15557         * config/ia64/vect.md: New file.
15558
15559 2005-01-03  Richard Henderson  <rth@redhat.com>
15560
15561         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
15562
15563 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
15564
15565         PR target/19236
15566         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
15567         to SFmode.
15568         (log1pdf2): Change mode of operands[0,1] to DFmode.
15569
15570 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
15571
15572         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
15573         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
15574         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
15575         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
15576         SPARC_RELAXED_ORDERING.
15577
15578 2005-01-03  Richard Henderson  <rth@redhat.com>
15579             Uros Bizjak  <uros@kss-loka.si>
15580
15581         PR target/14631
15582         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
15583         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
15584         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
15585         handling.
15586         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
15587         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
15588         const_pow2_1_to_128_operand): New predicates.
15589
15590 2005-01-02  Greg McGary  <greg@mcgary.org>
15591
15592         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
15593         anonymous decls.
15594         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
15595         object.  [ptr_type]: Remove unused variable.
15596         Remember nearest addressable array-element or record-component
15597         when checking bitfield components.  Tolerate empty BIND_EXPR.
15598
15599 2005-01-01  Richard Henderson  <rth@redhat.com>
15600
15601         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
15602         that don't narrow the value.  Fail for other conversions.
15603
15604 2005-01-01  Richard Henderson  <rth@redhat.com>
15605
15606         PR c/19031
15607         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
15608         * c-lang.c (finish_file): Don't do it here.
15609         * objc/objc-act.c (objc_finish_file): Likewise.
15610
15611         * cgraph.c (decl_assembler_name_equal): New.
15612         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
15613         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
15614         * cgraph.h (struct cgraph_varpool_node): Add next.
15615         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
15616         * varasm.c (assemble_alias): Mark the target as needed.
15617
15618 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
15619
15620         PR middle-end/19221
15621         * function.c (get_arg_pointer_save_area): Use entry_of_function
15622         instead of get_insns.
15623
15624 2005-01-01  Roger Sayle  <roger@eyesopen.com>
15625             Andrew Pinski  <pinskia@physics.uc.edu>
15626             James E. Wilson  <wilson@specifixinc.com>
15627
15628         PR rtl-optimization/12092
15629         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
15630         is zero.
15631
15632 2005-01-01  Roger Sayle  <roger@eyesopen.com>
15633             Olivier Hainque  <hainque@act-europe.fr>
15634
15635         * tree.c (int_fits_type_p): A narrower type always fits in a
15636         wider one, except for negative values into unsigned types.
15637
15638 2005-01-01  Roger Sayle  <roger@eyesopen.com>
15639
15640         * tree.c (int_fits_type_p): Compare the result of force_fit_type
15641         with the original constant rather than require TREE_OVERFLOW.
15642
15643 2005-01-01  Steven Bosscher  <stevenb@suse.de>
15644
15645         PR middle-end/17544
15646         * c-decl.c (finish_function): If compiling C99, annotate the
15647         compiler generated return with the current file name and line 0.
15648         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
15649         the source line is greater than 0.
15650         (remove_bb): Likewise.